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64results about How to "Reduce the frequency of water changes" patented technology

Circulating water treatment device for swimming pool

The invention discloses a circulating water treatment device for a swimming pool. The circulating water treatment device comprises a programmable logic controller (PLC) system, and a swimming pool water outlet, a hair separator, an ultrafiltration membrane purification device, a circulating pump, a first pipeline mixer and a swimming pool water inlet which are connected in sequence, wherein the first pipeline mixer is further connected with a disinfection pump and a dosing device in sequence; the disinfection pump is further connected with a second pipeline mixer, a water charging pump and a water charging pool in sequence; the ultrafiltration membrane purification device is connected with an air compressor; and the PLC system is connected with the air compressor, the circulating pump, the water charging pump and the disinfection pump respectively. According to the circulating water treatment device, an ultrafiltration membrane is taken as the core of the water purification for the swimming pool, and no coagulant is needed, so that the effluent turbidity is enabled to be lower than 0.2NTU and the water quality safety is ensured; meanwhile, the water exchanging time is reduced for the swimming pool, and the circulating water treatment device has the characteristics of energy and water conservation.
Owner:南京城建环保水务股份有限公司

Forest, goose and fish stereo ecological cultivation method

The present invention belongs to the technical field of ecological cultivation, and especially relates to a forest, goose and fish stereo ecological cultivation method. The stereo ecological cultivation method mainly comprises (1) land addressing requirement, (2) partition layout design, (3) cultivation density arrangement, and (4) cultivation operation and the like. According to the stereo ecological cultivation method, through organic combination, scientific collocation and advantage complementation of the planting industry, animal husbandry and aquaculture industry, nutrient substance is metabolized to cultivation waste water along with a chain of forest ( and supplementary feeding fodder), goose, goose manure, fish (and forest) and pond water layer by layer, egg goose cultivation period is shorted, goose egg quality is improved, good natural ecological circulation is achieved, land use efficiency is also improved, the purpose of pollutants discharge reduction is achieved, economic benefit is largely increased, the advantage of forest, goose and fish stereo cultivation is comprehensively embodied, and the whole industry chain is improved.
Owner:QILU UNIV OF TECH

Full-life-stage recirculating aquaculture system of jellyfish and breeding method therefor

The invention relates to a full-life-stage recirculating aquaculture system of jellyfish and a breeding method therefor. The full-life-stage recirculating aquaculture system of the jellyfish comprisesa dismountable breeding cylinder, a bottom cylinder, a filtering system, a water pump, an upper water pipe, a lower water pipe or the like. The upper water pipe is used for supply water to the breeding cylinder, and the lower water pipe is used for leading the water in the breeding cylinder out and into the filtering system in the bottom cylinder, so that the breeding water can be recycled between the breeding cylinder and the filtering system. The breeding cylinder provides power for motion and predation of the jellyfish and realizes an oxygenation effect by air holes and / or a porous water spraying pipe, and a porous inclined plate blocks the jellyfish so as to keep the jellyfish in the breeding cylinder, so that mechanical damage caused by jellyfish salvage can be avoided. The full-life-stage recirculating aquaculture system of the jellyfish, and the breeding method therefor solve breeding problems in different stages of a life cycle of the jellyfish, can also greatly save manpowerand time consumed in jellyfish breeding, increase breeding efficiency and are of good application prospect.
Owner:JIMEI UNIV

Dish washing machine

The invention discloses a dish washing machine. The dish washing machine comprises a tank body, wherein a washing space is formed in the tank body. The dish washing machine is characterized in that amatched washing disc is arranged at the bottom of the tank body, the washing disc comprises a disc body, a first nozzle and a second nozzle, the first nozzle and the second nozzle are arranged on thetop of the disc body, and a liquid inlet pipe and an air inlet pipe are arranged on the side face of the disc body respectively; the liquid inlet pipe is communicated with the first nozzle, and the air inlet pipe is communicated with the second nozzle; a flow channel making the first nozzle communicated with the liquid inlet pipe and a flow channel making the second nozzle communicated with the air inlet pipe are independent and not mutually communicated. The washing disc allowing liquid and air to pass through is arranged at the bottom of the tank body to form a large number of tiny bubbles so that water on the lower portion in the tank body can be relatively cleaner, and the cleaning effect is improved; the water changing frequency can be reduced, and the consumption of water resources is reduced; washing liquid can better make contact with the surface of tableware above an original liquid level under the condition that extra water is not added, so that compared with common soaking type washing, more water is saved.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Micropterus salmonides aquaculture system and aquaculture method

ActiveCN109197733ASolve the high incidenceSolve the problem of low feeding rateClimate change adaptationPisciculture and aquariaMicroorganismTreatment pond
The invention provides a Micropterus salmonides aquaculture system and aquaculture method. The system comprises a pond, a sewage collection well and a water circulation device; the bottom of the pondis connected with the sewage collection well through a sewage discharging pipe; the sewage collection well is composed of a main well and an auxiliary well; the auxiliary well is located at one side of the main well; the bottom of the auxiliary well is provided with a drain pipe; an isolation filter layer is arranged on the top of the main well; a manure outlet is arranged at the bottom of the main well; the manure outlet is connected with the auxiliary well through a manure outgoing pipe; the tail end of the manure outgoing pipe is higher than the manure outlet at the bottom of the main well;the outlet end of the sewage discharging pipe is connected with a gas exhaust pipe and an auxiliary water outgoing pipe, wherein the gas exhaust pipe and the auxiliary water outgoing pipe have upwards-facing openings; the air exhaust opening of the air exhaust pipe is higher than the isolation filter layer; one side of the lower end portion of the gas exhaust pipe is connected with a main water outgoing pipe; the auxiliary water outgoing pipe is communicated with the auxiliary well; a long pipe is inserted into the opening of the auxiliary water outgoing pipe; the water circulation device includes a pond water pipe, a sewage collection well water pump, a sewage collection well water pipe, a circulating water pump, a microbial treatment tank, and a return pipe; water in the pond and the sewage collection well is pumped to the microbial treatment tank; the water is treated; the treated water is returned to the pond; and therefore, the problem of the discharge of aquaculture wastewater can be solved.
Owner:佛山市顺德区旺海饲料实业有限公司

Self-circulation prawn aquaculture method

ActiveCN106689001AOvercoming the defects of timing and quantitative addition of microbial bacterial liquidReduce the frequency of water changesWater contaminantsClimate change adaptationNitriteWater quality
The invention belongs to the technical field of aquaculture equipment and relates to a self-circulation prawn aquaculture method. Fibrous ball bags filled with fibrous balls are hung on transverse bars on walls of a constructed aquaculture pond, the fibrous balls in the fibrous ball bags serve as carriers for microbial growth, nitrifying bacterium agents are added to the fibrous balls to enable proliferation of nitrifying bacteria on the fibrous balls to form a dominant bacterial community in short time, and accordingly toxic substances such as ammonia and nitrites in aquaculture water can be removed quickly, functions of prawn aquaculture and automatic water purification are both realized by the aquaculture pond, a stable system is formed, and quantitative adding of microbial liquid into an aquaculture system at fixed time in an aquaculture process is avoided. The self-circulation prawn aquaculture method is simple in technical step, easy in operation and maintenance and low in input cost, the toxic substances such as ammonia and nitrites in aquaculture water can be removed efficiently, the defect that a traditional aquaculture method requires addition of the microbial liquid at fixed time is overcome, water change frequency of the aquaculture system can be reduced, aquaculture efficiency is improved while yield is increased, and environmental friendliness in application and promising market prospect are achieved.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Jean topical finish injecting type damping device

The invention relates to a post finishing jet type wetting device for denim, which is provided with a water tank and is characterized in that a diving pump is arranged in the water tank, a water outlet of the diving pump is communicated with a jet tube through a stainless pipe and an adjustable flexible pipe, a pressure gauge is installed on the stainless pipe, a line of jet orifices are arranged on the jet tube, two hydraulic cylinders are respectively arranged on two ends of the jet tube, the hydraulic cylinders are respectively installed on supporting stands on the two sides of the water tank, liquid input ports are respectively communicated with liquid output ports of hydraulic pumps through the pipe, props are respectively installed on two sides of the water tank close to the left side in parallel, a cloth guiding roller is arranged on the middle portion between the two props, another cloth guiding roller is also arranged on the upper portion between the two props, and an output terminal of a frequency-converter is connected with an input terminal of the diving pump through a cable. The wetting device of the invention can wet the cloth surface completely, a large amount of useless water is not carried, the frequency for changing clear water is reduced, the water using amount is lowered, dyestuff and slurry which are brought away are very little, and a large amount of drying energy is saved.
Owner:LANYAN GROUP

Aquatic plant landscape fish tank with function of easily changing water

The invention relates to the technical field of landscape fish tanks, in particular to an aquatic plant landscape fish tank with the function of easily changing water. The fish tank comprises a tank body, a feeding bucket installed in the tank body, a water pump installed at the bottom of the feeding bucket and a filtering device installed at the top of the tank body; channels holes are formed in the circumferential wall of the feeding bucket; the water pump is used for conveying water at the bottom of the feeding bucket into the filtering device through a water pumping pipe, and the filtering device is used for filtering the water and then making the water flow back into the tank body. According to the fish tank, through the arrangement of the feeding bucket, a user conveniently puts feed in the feeding bucket, thus fishes can only enter the feeding bucket for feeding through the channel holes, and thus the contamination range of water quality in the fish tank is reduced to the greatest extent; meanwhile, the water pump is utilized for pumping fish feed residues at the bottom of the feeding bucket and sewage into the filtering device at the top of the tank body for filtration and purification, the purified water falls into the tank body again, the effect of circularly removing dirt for the fish tank is achieved, and the situation that the user frequently carries out the operation of changing water for the fish tank can be avoided.
Owner:黄景辉

Automatic filtering and sewage discharging system for high-position pond circulating water breeding

The invention discloses an automatic filtering and sewage discharging system for high-position pond circulating water breeding. A high-position pond breeding unit is a breeding pond, a water inlet isarranged on one side of the breeding pond, the bottom of the breeding pond is bowl-shaped, a sewage outlet is arranged in the middle of the bottom of the breeding pond, and an anti-escape device is arranged above the sewage outlet, a movable nano oxygenation disc is placed at the bottom of the breeding pond, and multiple waterwheel oxygenators are mounted around the high-position pond breeding unit; a steel wire net support is paved at the bottom of a filtering unit, a space is reserved between the steel wire net support and the bottom of the breeding pond, the filtering unit comprises a filtering area, a first buffering area and a second buffering area, a water quality real-time monitoring device is arranged in the first buffering area, an incoming water filter net is arranged at a position where the first buffering area is communicated with the high-position pond breeding unit, and an outgoing water filter net is arranged at a position where the second buffering area is communicatedwith the high-position pond breeding unit. By the system, real-time monitoring of water quality during breeding and automatic filtering of solid waste like feed residue and fish dung can be realized,cleanliness of a breeding water body can be maintained, water changing frequency can be reduced, and water resources can be saved.
Owner:NEIJIANG NORMAL UNIV

Method for prolonging preservation time of eelgrass seeds

The invention relates to a preservation method of seeds, in particular to a method for prolonging the preservation time of eelgrass seeds. The method comprises the following steps: filtering common natural seawater, and then sterilizing the seawater; directly putting the washed eelgrass seeds into a sealed container with the sterilized seawater; keeping the temperature of the seawater in which the eelgrass seeds are soaked at -0.2 to 0.2 DEG C; in the preservation process of the seeds, regularly exchanging water. According to the method for prolonging the preservation time of the eelgrass seeds, the retention rate in the preservation period of the eelgrass seeds can be increased, and the preservation time of the seeds is prolonged; meanwhile, relatively high vitality and quality of the seeds can be maintained; furthermore, the survival rate of eelgrass seedlings is increased; by the combination of the simple and effective eelgrass seed preservation method, high-quality eelgrass seeds and healthy seedlings can be provided for manual sowing, recovery or reconstruction of an eelgrass sea grass bed is facilitated, and a foundation support is supplied to quick recovery of a good ocean ecological environment; moreover, by the use of the sterilized common seawater for preservation, the method is convenient, simple, practical and cost-saving.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Corrosion inhibitor applied to SCAL type indirect cooling system and chemical adding method of corrosion inhibitor

The invention belongs to the technical field of corrosion prevention of thermal power plant equipment, and particularly relates to a corrosion inhibitor applied to an SCAL type indirect cooling systemand a chemical adding method of the corrosion inhibitor. The chemical adding method comprises two steps of preparation of the corrosion inhibitor and addition of the corrosion inhibitor into the indirect cooling system. The corrosion inhibitor and the chemical adding method are characterized in that the corrosion inhibitor is prepared from sodium borate, sodium silicate, zinc sulfate, sodium tripolyphosphate, sodium hexametaphosphate, sodium molybdate, fatty alcohol-polyoxyethylene ether (penetrant) and desalted water in a chemical adding tank, and the corrosion inhibitor is injected into theSCAL type indirect cooling water system through a metering pump. The corrosion inhibitor and the chemical adding method have the beneficial effects that after the corrosion inhibitor is added into the SCAL type indirect cooling system, the corrosion rate of carbon steel in the SCAL type indirect cooling system can be controlled to be smaller than 0.075 mm / a, and the corrosion rate of pure aluminum in the SCAL type indirect cooling system can be controlled to be smaller than 0.0075 mm / a; after the corrosion inhibitor is applied, the water quality control range of the system can be properly widened, and the water changing frequency is reduced; after the corrosion inhibitor forms a film, the shutdown corrosion rate of the system can be reduced; and the components of the corrosion inhibitor are environment-friendly and low in toxicity.
Owner:XIAN THERMAL POWER RES INST CO LTD

Water planting method for foliage and flowering plants

The invention relates to the field of plant cultivation, in particular to a water planting method for foliage and flowering plants. The water planting method comprises following steps: cleaning, root pruning, disinfection, water controlling, first root growing, field planting, secondary root growing and maintenance. Herbaceous plants are subjected to root growing operation twice so that little damage is caused to root fibers of herbaceous plants and survival rate of water culture is effectively increased. In the meanwhile, cultured herbaceous plants grow up aquatic roots by cultivation and easily survive. Therefore, water cultivation of plants completely depending on a nutrient solution in the prior art is avoided. Herbaceous plants are subjected to water cultivation by using ordinary clear water after aquatic roots are grown up. Therefore, water-planting cost of plants is effectively decreased.
Owner:安庆市毕架山林业有限公司

Rice hydroponics method and application thereof

The invention relates to the field of rice cultivation, and particularly relates to a rice hydroponics method. Lighting culture is carried out on rice materials in a culture solution, wherein the culture solution is a suspension formed by mixing a nutrient solution and humus soil, and the volume of the humus soil is 1 / 5-1 / 3 of the volume of the nutrient solution. With the utilization of the methodprovided by the invention, nutrition is enriched on one hand, on the other hand, humus soil particles suspended in the culture solution provide adhesion and living space to thalli, so that a root system growth ecological system close to soil is formed, mixed fungi pollution on the surface of a root system is reduced, the water exchange frequency is reduced, and the efficiency is improved. In addition, the invention also provides an application of the rice hydroponics method in hydroponics identification of rice root morphology in a laboratory, the added humus soil exists in a suspension formand does not affect the morphological observation of roots at last, and the complete root system can be obtained only by gently carrying out washing with water.
Owner:云南省农业科学院生物技术与种质资源研究所

Self-circulation peneid culture system

ActiveCN106719248AOvercoming the defects of timing and quantitative addition of microbial bacterial liquidReduce the frequency of water changesWater contaminantsWaste water treatment from animal husbandryWoolToxic material
The invention belongs to the technical field of aquaculture equipment, and relates to a self-circulation peneid culture system. Wool ball bags are installed on horizontal bars of the pond wall of a culture pond. The wool balls in the wool ball bags are used as the carriers for the microorganism growth. When the culture system is established, nitrifying bacteria is added to the wool balls to make the nitrifying bacteria reproduce on the wool balls and form dominant bacteria in a short time, and therefore toxic substances such as ammonia and nitrite are fast removed from the culture water body to make the culture pond can be used for culturing peneid and automatically purifying the water to form a stable system without the need of adding microorganism solution to in a qualitative and quantitative mode to the culture system. The self-circulation peneid culture system has the advantages of being simple in structure, low in production cost, and easy for maintenance. The system overcomes the shortcoming that in the traditional culture system, it is necessary to qualitatively and quantitatively adding microorganism bacteria solution. After the use of the culture system, water change frequency of the culture system is reduced, the culture efficiency is enhanced, the application is environmentally friendly, and the market prospect is wide.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Aquarium with air purification and humidification functions

The invention discloses an aquarium with air purification and humidification functions. The aquarium with the air purification and humidification functions comprises an air purification device (1) and an aquarium body (2), wherein the air purification device (1) comprises an air inlet device, a filter unit (10) and an air exhausting device, the aquarium body (2) is fixedly arranged on the upper portion of the air purification device (1), the air exhausting device conveys purified air into the aquarium body (2) through an aerator pipe (3). The aquarium with the air purification and humidification functions provides oxygen for the aquarium while the air is purified and humidified, the integration of an air purification function, an air humidification function and an aquarium viewing function is achieved, and the problems of high cost, high consumption and large occupied space due to simultaneous use of three devices are avoided.
Owner:RENCHSAND ECO ENVIRONMENT PROTECTION SCI & TECH CO LTD

Rice and crayfish co-cropping planting and breeding method

The invention discloses the technical field of crops and aquaculture, and provides a rice and crayfish co-cropping planting and breeding method. The rice and crayfish co-cropping planting and breeding method comprises the five steps of rice field transformation, water body treatment, rice planting, breeding management and rice and crayfish harvesting. In the planting and breeding process, water in a circular ditch is changed every five days, it is guaranteed that water flow in the circular ditch is fresh and sufficient in oxygen, the flowability of the water flow in the circular ditch is guaranteed, and the situation of smelly water is avoided; on the third day after water changing, disinfectant chlorine dioxide composed of chlorine dioxide, calcium peroxide and Chinese herbal medicine insecticidal water is spread into the circular ditch to effectively sterilize the water in the circular ditch, the calcium peroxide slowly releases oxygen when being spread into the water, so that the oxygen content of the water flow in the circular ditch is effectively increased, growth of crayfishes is facilitated, and the frequency of changing the water flow in the circular ditch is reduced.
Owner:INST OF FOOD CROPS HUBEI ACAD OF AGRI SCI

Jean topical finish injecting type damping device

The invention relates to a post finishing jet type wetting device for denim, which is provided with a water tank and is characterized in that a diving pump is arranged in the water tank, a water outlet of the diving pump is communicated with a jet tube through a stainless pipe and an adjustable flexible pipe, a pressure gauge is installed on the stainless pipe, a line of jet orifices are arrangedon the jet tube, two hydraulic cylinders are respectively arranged on two ends of the jet tube, the hydraulic cylinders are respectively installed on supporting stands on the two sides of the water tank, liquid input ports are respectively communicated with liquid output ports of hydraulic pumps through the pipe, props are respectively installed on two sides of the water tank close to the left side in parallel, a cloth guiding roller is arranged on the middle portion between the two props, another cloth guiding roller is also arranged on the upper portion between the two props, and an outputterminal of a frequency-converter is connected with an input terminal of the diving pump through a cable. The wetting device of the invention can wet the cloth surface completely, a large amount of useless water is not carried, the frequency for changing clear water is reduced, the water using amount is lowered, dyestuff and slurry which are brought away are very little, and a large amount of drying energy is saved.
Owner:LANYAN GROUP

Waste heat recycling system for aquarium and working method thereof

The invention discloses a waste heat recycling system for an aquarium and a working method thereof, and belongs to the technical field of waste heat recycling. The system comprises a seawater storingpool, a showing pool, a wastewater pool, a condenser, an evaporator, a heating device and a control system. With the adoption of the system, waste heat in the wastewater can be recycled and supplied to seawater in the seawater storing pool and the showing pool; a plurality of heat supplying modes are combined; the energy is saved, and meanwhile, the water temperature meets the marine organism living standard; the water supplementing volume in the showing pool is metered through a flow meter, so that water is prevented from overflowing; a filtering device is additionally arranged at a circulating branch of the showing pool, and thus the seawater can be filtered while heat supplying, and as a result, the seawater use circle is prolonged; the water replacing frequency is reduced; the cost issaved; in addition, the temperature and level of water in the showing pool and the seawater storing pool can be detected in real time; and a driving signal sent by a PLC can be used for controlling related valves and pumps to open and close, and thus the temperature and level of water in the showing pool and the seawater storing pool can be automatically controlled.
Owner:青岛海田设计事务所有限公司

Water quality regulator for fish cultivation in rice fields

The invention relates to the technical field of modern agricultural cultivation, and discloses a water quality regulator for fish cultivation in rice fields. The prepared water quality regulator can guarantee the maximum supply of nutrients in the rice growth period by intervening the element content of rice field culture water in the rice growth process, and improve the fish culture environment,and a rice field-fish composite ecological system is constructed, so that the yield and quality of aquatic products are improved, and the rice field water eutrophication problem is solved. By means ofthe culture mode, the whole rice field system has high self-purification capacity, benign growth and reproduction of organisms in water are kept, the water environment is stable, the water changing frequency is remarkably reduced, the cost is reduced, culture losses caused by water quality pollution are avoided at the same time, mutual utilization of rice and aquatic metabolites is achieved, andthe dynamic balance of a rice culture system is realized; and the adverse effects of eutrophication on aquaculture are reduced, the cost investment can also be reduced, the fish culture benefit is improved, and the problems of low quality, poor benefit and large pollution of the aquatic products cultured in the existing rice field are solved.
Owner:阜南县蒙洼生态农业有限公司

MRM aquaculture method

The invention discloses an MRM aquaculture method. The method comprises the following steps of: performing MRM treatment on water, air, bait and a pond in an aquaculture process, wherein the MRM treatment on the water comprises the steps of laying an MRM ceramic plate on the bottom of the pond, and coating an MRM film outside a water pipe; the MRM treatment on the air comprises the step of arranging an MRM cover outside a cylinder of an air feeder; the MRM treatment on the bait comprises the step of placing the MRM ceramic plate when the bait is soaked; and the MRM treatment on the pond comprises the step of spraying the MRM film on the bottom and the wall. The method can effectively replace the using of antibiotics and disinfectant on the farm, reduce the prevalence rate and death rate of aquatic products, improve the growth rate, save energy, reduce cost, relieve circulating pollution, and improve the quality of meat of the aquatic products.
Owner:NEW SUN BIO SCI

Method for regulating aquaculture water quality in shrimp and shellfish polyculture mode

The invention provides a method for regulating aquaculture water quality in a shrimp and shellfish polyculture mode, and belongs to the technical field of aquaculture. The method comprises the following steps: establishing a bacteria-algae synergistic system capable of regulating water quality, and providing microencapsulated aquaculture baits capable of slowing down deterioration of water quality, wherein the bacteria-algae synergistic system comprises an algae system attached to a porous carrier and a biofloc system with an added carbon source skeleton, the microencapsulated culture baits include a porous pellet core to which lipids are attached under vacuum, and a biodegradable polymer coating film covering the pellet core, and the thickness of the coating film is 1 nanometer or more and 1 micron or less. According to the method provided by the invention, a zero-water exchange effect is achieved by combining the synergistic effect of baits and the bacteria-algae system, and the hydrophobicity of the baits can be improved, so that the baits are not disintegrated, the carbon source cost of the biofloc system is reduced, the volume concentration of bioflocs and the concentration oftotal suspended solids are improved, and the content of Omega-3 fatty acid in an organism and the component content and activity of immune molecules such as phenol oxidase and hemolysin are improved.
Owner:ZHOUSHAN OCEAN UNIV SCI & TECH RES INST CO LTD

Workpiece production line, workpiece cleaning machine and workpiece cleaning groove

The invention discloses a workpiece cleaning groove. A plurality of chip guide plates are arranged between opposite first groove wall and second groove wall of the workpiece cleaning groove; the chipguide plates are arranged slantwise; the upper space of each chip guide plate is a workpiece cleaning area; the lower space of each chip guide plate is a chip storage area; and each chip storage areais used for storing chips sliding off via the plurality of chip guide plates. The chip guide plates arranged slantwise are capable of effectively preventing the chips from continuing to move upwards,secondary attachment of the chips is avoided, and the water change frequency is reduced, so that thorough cleaning, high efficiency and low cost are achieved. The invention further discloses a workpiece cleaning machine. The workpiece cleaning machine comprises the workpiece cleaning groove. The invention further discloses a workpiece production line. The workpiece production line comprises the workpiece cleaning groove or the workpiece cleaning machine.
Owner:SUZHOU INST OF INDAL TECH

Clean and environment-friendly efficient medical variable-temperature water tank

The invention provides a clean and environment-friendly efficient medical variable-temperature water tank. The clean and environment-friendly efficient medical variable-temperature water tank comprises a controller, a circulating working medium storage box, at least one circulating branch and a variable-temperature loop system. Through the convenient water changing design and the arrangement of disinfection equipment for automatic disinfection and the like, water in the water tank is kept clean, and the problem that harmful substances such as toxic aerosol breed in a traditional variable-temperature water tank is solved; the operation is convenient for medical staff; the water tank adopts efficient pollution-free refrigerants, so that the efficiency is improved, and the environment is protected; the design form of the surface heat exchanger, the high-thermal-conductivity TIMs material and the circulating water path which are completely closed solves the problem of infection hidden danger caused by refrigerant leakage at present, and the safety of the variable-temperature water tank is greatly improved. Through multi-aspect improvement, the pollution risk is reduced, and the water tank is small and convenient, convenient to maintain, low in use cost, high in performance, durable and extremely low in failure rate.
Owner:BEIJING ANZHEN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV

Ruppia sinensis seeds storage method

The invention relates to a seed storage method, and concretely relates to a ruppia sinensis seed storage method. According to the invention, distilled water and a seawater element are used for preparing high-salinity artificial seawater which is used for disinfecting water body; after matured ruppia sinensis seeds exocarp is completely decayed, the seeds are flushed, the cleaned ruppia sinensis seeds are placed in a sealed container filled with the disinfection artificial seawater; finally the temperature of the artificial seawater for immersing the ruppia sinensis seeds is kept at 0 DEG C, and the seeds are stored in dark place. During seed storage, water is regularly changed, and the decayed seeds are cleaned. The reservation rate of the ruppia sinensis seeds during a storage period is increased by the method, high vitality and quality of the seeds can be kept, the simple and effective ruppia sinensis seed storage method can provide high quality ruppia sinensis seeds for artificial sowing, is in favor of recovery or reconstruction of an underwater vegetation ruppia sinensis grassland, and provides necessary technical support for rapidly recovering good ruppia sinensis grassland ecological environment.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Retarding type mopping robot

PendingCN112806924AIncrease frictionRealize differential speed controlCarpet cleanersFloor cleanersBrushless motorsEngineering
A retarding type mopping robot is disclosed in the invention, and comprises a shell and a clear water tank arranged in the shell, two driving motors are arranged in the middle of one side of the bottom face of the shell side by side, the output ends of the two driving motors are fixedly connected with one end of a front driving cleaning wheel, and the interior of the front driving cleaning wheel is of a cavity structure; and the other end of the front driving cleaning wheel is communicated with the clear water tank through a clear water guide pipe, a water passing structure is arranged on the shell of the front driving cleaning wheel, a rear supporting frame is fixedly arranged in the middle of the other side, opposite to the driving motor, of the bottom face of the shell, and the rear supporting frame is movably connected with a blocking rear wheel through a brushless motor. Rotation of the front driving cleaning wheel provides forward power for the robot and completes ground cleaning operation of the robot at the same time, the rotation direction of the blocking rear wheel is opposite to that of the front driving cleaning wheel, and the blocking rear wheel is used for increasing friction force of the front driving cleaning wheel.
Owner:南京抒微智能科技有限公司

Flat mop cleaning tool and using method thereof

The invention discloses a flat mop cleaning tool. The mop cleaning tool comprises a mop and a mop bucket, wherein the mop bucket is provided with a working area and a water storage area, the working area is located above the water storage area, the mop is located in the working area to be cleaned and / or dewatered, and a channel for communicating the working area with the water storage area is arranged between the working area and the water storage area; sewage generated when the mop is operated falls into the working area and then can flow into the water storage area from the channel, so the accumulated water cannot be generated in the working area, a water pumping device is further arranged, the water in the water storage area can be pumped out and sprayed on a wiping object of the mop during cleaning, and the generated sewage can be discharged into the water storage area through the channel, therefore, cleaning and / or dewatering cleanliness of the mop can be ensured.
Owner:霸州市艾霖家居用品有限公司

Method for purifying waterfowl breeding sewage through panicum repens floating bed and floating bed using method

PendingCN109607803AReduce management costsAvoid secondary pollution caused by floating bed plantsWater contaminantsBiological water/sewage treatmentMicroorganismWater quality
The invention discloses a method for purifying waterfowl breeding sewage through a panicum repens floating bed. The method includes the steps of planting panicum repens cuttage seedlings on the floating bed, placing the floating bed in a wastewater pool, purifying wastewater through the growth process of panicum repens and the effect of root system adsorbing microorganisms, transferring the floating bed to a waterfowl activity water domain after the panicum repens grows to a certain extent in the wastewater pool so that the panicum repens can be eaten by waterfowl and the waterfowl activity water domain can be purified by the panicum repens, establishing another floating bed for cuttage plantation of the panicum repens in the wastewater pool when the floating bed is transferred to the waterfowl activity water domain, and switching the floating bed in the wastewater pool and the floating bed in the waterfowl activity water domain in this way after the panicum repens grows to a certain extent in the wastewater pool. The aims of purifying the water and sufficiently using the plants on the floating beds can be effectively achieved; the aim of in-situ utilization of the plants of the floating beds is realized and the management cost of the floating beds is reduced by transferring the floating beds between the wastewater pool and the waterfowl activity water domain back and forth.
Owner:GUANGDONG UNIV OF EDUCATION

Rubber sheet cooling production device

The invention relates to a rubber sheet cooling production device which comprises a water tank, the water tank is arranged at the lower part of the rear part of a rubber sheet heating device, a water outlet is arranged at the bottom of the water tank, a copper pipe is placed in the water tank, both ends of the copper pipe extend to the outside of the water tank and are connected to an air conditioning compressor; the copper pipe placed in the water tank comprises two vertical sections and a horizontal section, the upper ends of the two vertical sections are respectively connected with both end parts of the copper pipe, the lower ends are connected with the horizontal section, and the horizontal section is arranged at the lower part of the water tank and is located below the water surface. The rubber sheet cooling production device is very clever in design, is improved based on an original rubber sheet producing device, is very simple and practical, and good in use effect, can ensure the cooling speed, at the same time, reduces the use amount of an isolating agent, and reduces the enterprise production cost.
Owner:天津市渤海胶带有限公司

A kind of self-circulation type prawn cultivation method

ActiveCN106689001BOvercoming the defects of timing and quantitative addition of microbial bacterial liquidReduce the frequency of water changesWater contaminantsClimate change adaptationBiotechnologyMicroorganism
The invention belongs to the technical field of aquaculture equipment and relates to a self-circulation prawn aquaculture method. Fibrous ball bags filled with fibrous balls are hung on transverse bars on walls of a constructed aquaculture pond, the fibrous balls in the fibrous ball bags serve as carriers for microbial growth, nitrifying bacterium agents are added to the fibrous balls to enable proliferation of nitrifying bacteria on the fibrous balls to form a dominant bacterial community in short time, and accordingly toxic substances such as ammonia and nitrites in aquaculture water can be removed quickly, functions of prawn aquaculture and automatic water purification are both realized by the aquaculture pond, a stable system is formed, and quantitative adding of microbial liquid into an aquaculture system at fixed time in an aquaculture process is avoided. The self-circulation prawn aquaculture method is simple in technical step, easy in operation and maintenance and low in input cost, the toxic substances such as ammonia and nitrites in aquaculture water can be removed efficiently, the defect that a traditional aquaculture method requires addition of the microbial liquid at fixed time is overcome, water change frequency of the aquaculture system can be reduced, aquaculture efficiency is improved while yield is increased, and environmental friendliness in application and promising market prospect are achieved.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Low-Emission Factory Shrimp Farming System

The invention discloses a low-emission industrialized shrimp culture system. The system includes a culture pond, a microfilter buffer tank, a microfilter and a dissolved oxygen container, and the culture pond is connected to a water inlet pipe; the microfilter buffer pond is provided with an overflow port, and the overflow port is connected to the main discharge pipe through a water exchange pipe; The microfilter is installed above the microfilter, and the microfilter is connected to the bottom of the culture pond through a main pipe, and the water outlet of the microfilter is connected to the buffer tank of the microfilter; the top of the dissolved oxygen container is provided with a jet, and the jet is The main pipeline communicates with the second water inlet pump to communicate with the buffer tank of the microfilter, and the bypass of the ejector communicates with an oxygen intake pipe to mix oxygen into the water; the dissolved oxygen container communicates with the culture tank near the top through a loop water pipe. The low-emission industrialized prawn culture system of the present invention adopts a small water body circulation system, on the basis of ensuring the water quality of the culture water body, reduces the water demand of the whole culture system, reduces the operating cost of the system and the overall equipment investment in the culture process, and Can meet high-density farming.
Owner:FSPG HI TECH
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