122results about How to "Improve water conservation" patented technology

The invention provides compounds having the general structure:wherein R and R′ are independently selected from the group consisting of H, C1-24 alkyl, aryl, C1-24 alkylaryl, aryl(C1-24)alkyl, —C(═O)—R1 (esters), C(═O)—NHR1 (urethanes), or C(═O)—O—R1 (carbonates) wherein R1 is selected from the group consisting of C1-24 alkyl, aryl, C1-24 alkylaryl, C1-24 arylalkyl; A is an organic moiety derived from the group consisting of alkylene oxides having 4-12 carbon atoms and aryl epoxides having 8-12 carbon atoms; x=1-300; y=0-200; z=0-200; and with the proviso that R and R′ can not be H or ether functionality at the same time. The compounds are useful for improving the water transport characteristics of hydrophobic surfaces.

The invention discloses a potato peeling, washing and shredding device, and belongs to the field of food processing mechanisms. The potato peeling, washing and shredding device comprises a shredding mechanism, a peeling and washing mechanism, a material pushing mechanism and a transmission mechanism, wherein the peeling and washing mechanism comprises an inner cylinder, a roller and a rotating disc; the roller is located in the inner cylinder; a spiral piece is arranged on the roller; brushes are arranged on the inner wall of the inner cylinder and the outer wall of the roller; an inner shaft is fixedly connected to the lower end of the roller; the rotating disc is located at the lower end of the roller, and is fixed to the inner shaft; an annular sprinkling pipe is arranged at the upper end of the inner wall of the inner cylinder in the circumferential direction; high-pressure spray heads are uniformly distributed at the bottom of the annular sprinkling pipe; the shredding mechanism comprises an outer cylinder and a shredding cylinder which is fixedly arranged in the outer cylinder; the diameter of the upper end of the shredding cylinder is greater than that of the lower end of the shredding cylinder; an outer shaft is fixedly connected to the lower end of the shredding cylinder; the inner shaft and the outer shaft are connected with the transmission mechanism; and the inner shaft is embedded in the outer shaft. Through the adoption of the potato peeling, washing and shredding device disclosed by the invention, functions of peeling potatoes, washing the potatoes and shredding the potatoes can be realized; the processing procedures of the peeling of the potatoes and the shredding of the potatoes are simplified; and the working efficiency is greatly improved.

A method and system having a water-flush toilet having a toilet bowl that is in fluid communication with a water source and is mounted with a sensor. The sensor includes a transmitter to transmit an ultrasonic signal and a receiver to receive an ultrasonic signal. The sensor may measure a Time of Flight (ToF) of the signal to obtain a ToF measurement. A microcontroller is electrically connected to the sensor and may receive and process the ToF measurement using an algorithm to determine a bowl status. The toilet also includes at least one water valve that is disposed between the bowl and the water source, and that is electrically connected to the microcontroller for instructing the at least one water valve to move from a first position to a second position for a duration of time, wherein the duration of time corresponds to the bowl status.

Disclosed is an efficient cleaning device. The efficient cleaning device comprises a cleaning pool, a material cleaning groove, a circulating water treating pool, a connecting pipeline and the like. Gas can be fed into the material cleaning groove to conduct bubble-type washing on materials. Enough purified water is added into the material cleaning groove to spray and flush the materials. The water and sewage penetrate through the material cleaning groove and then are sucked by a water intake formed nearby. Water of the water intake flows into the circulating water treating pool through the pipeline or a water pump and the pipeline. Impurities or sludge or high-concentration sewage can be filtered or discharged from a sewage discharging valve. The purified water obtained after being treated can flow back through the pipeline or be conveyed back to the cleaning pool or the material cleaning groove by the water pump and the pipeline to form recycling of the water. Meanwhile, the materials can be washed under the environment with cleaner water. The circulating water treating pool is independent of the cleaning pool and is provided with a filtering device, a fine filtering layer and the like, water treatment like sediment or filtering or medicine adding or ozone disinfection or sterilization and disinfection can be carried out on the water. The efficient cleaning device is suitable for fixation of materials like fruits and vegetables or continuous cleaning.

The invention relates to a system for producing water vapor by blast furnace slag. The system comprises a buffer tank, a pelletizing tower and a heat exchange mechanism. An inlet of the buffer tank receives the furnace slag discharged from a blast furnace, and an outlet end of the buffer tank communicates with a furnace slag inlet of the pelletizing tower. The pelletizing tower is provided with a pelletizing water inlet, a water vapor outlet and a furnace slag outlet. Pelletizing water sprayed from the pelletizing water inlet is used for carrying out water quenching on the furnace slag fed from the furnace slag inlet so as to generate water vapor, and the water vapor outlet communicates with the heat exchange mechanism through a steam pipeline. In addition, the invention relates to a method for producing water vapor by blast furnace slag, and the method is implemented on the basis of the system. The water vapor is used as a heat transmitting carrier, and impurities in blast furnace slag flushing water are prevented from causing scaling and corrosion to a heat exchanger and pipelines; the buffer tank can solve the problem that the water vapor is not stably generated due to discontinuous slag outputting of the blast furnace, slag flushing in the pelletizing tower is made continuous, and therefore the water vapor can be continuously generated in the pelletizing tower, and waste heat utilization of the blast furnace slag is facilitated.

Disclosed herein is continuous fluid monitoring and reporting system. The continuous fluid monitoring and reporting system comprises a fluid monitoring subsystem comprising a processing unit configured to receive digital pulses indicative of a set amount of fluid that has flowed through a pipe and to count the digital pulses and store data comprising indications of the counted digital pulses in a memory. The stored data is periodically transmitted to a remote computer using a communication device. The remote computer includes a fluid monitoring engine to analyze the received data and to generate fluid flow information which may be used to generate reports and alerts to authorized users. In some embodiments, the fluid monitoring subsystem includes an intelligent sensor configured to obtain signals indicative of fluid flow at a fluid monitor and to output the digital pulses to the processing unit.

An energy-saving anti-freezing water dispenser comprises an inner tank body (1), an outer tank body (2) and a thermal insulation layer (3) and is characterized in that an electric heating layer (5) is arranged between the inner tank body (1) and the outer tank body (2); the thermal insulation layer (3) is arranged between the electric heating layer (5) and the outer tank body (2); a cavity (13) is formed in the inner tank body (1); a liquid level control device (4) is arranged in the middle of the cavity (13); a liquid level controller (14) is arranged in the liquid level control device (4) and connected with a water inlet hole (7); an electric leakage switch (15) is arranged on a power cord externally connected with the energy-saving anti-freezing water dispenser. The energy-saving anti-freezing water dispenser is divided into the inner tank body and the outer tank body, and besides the novel electric heating material, the heat insulating material is distributed between the two layers of tank bodies so as to achieve the effects of heating and thermal insulation for drinking water in the inner tank body. The liquid level control device (4) is arranged and can prevent water from spillover to achieve the purpose of saving water.

The invention discloses an earth surface planting desert reforming technology, which aims to provide a technology which can improve the soil texture of the desert, prevent and fix sands, and gradually reform a desertified land into a land with good-quality soil. The invention has the technical scheme that the technology is implemented at the edge part of the desert area to be reformed, the surface layer of sandy soil is cleared up, the lower bottom layer sand is appropriately added with water for tamping, a clay layer with the thickness of 0.15 m is filled on the bottom layer sandy soil, a planting soil layer with the thickness of 1.0 m is filled on the clay layer, plants are planted on the planting soil layer, and a mulching film is paved or a greenhouse is constructed on the earth surface so as to reduce quick water evaporation.

The invention provides an agricultural irrigation water conservancy monitoring system. A radio frequency card machine well irrigation control subsystem is used for configuring a management machine charging module, a machine well metering radio frequency card charging control box and radio frequency cards. The management machine charging module provides a recharging port for the radio frequency cards; the machine well metering radio frequency card charging control box is arranged close to a machine well; the radio frequency cards are distributed to each peasant household in need of irrigation;the peasant households use the machine well for taking water on the machine well metering radio frequency card charging control box for irrigation on the basis of the recharged radio frequency cards,and a radio frequency controller acquires a charging mode, preset by an agricultural irrigation monitoring server, for the water and power consumption of the machine well, and on the basis of the current preset charging mode for the water and power consumption of the machine well, the machine well metering radio frequency card charging control box executes a settlement mode on the radio frequencycards. Hydrological control is achieved, water conservation, planned water use and water use monitoring during agricultural irrigation are promoted, and waterlogging prevention, drought resistance, scientific water use and unified management and optimized allocation of water resources are achieved. The water conservancy development is promoted, the management level of agricultural modernization isimproved, and water-saving irrigation is realized.

The invention relates to an automatic sequence flush water method of a water closet, when washing the closet, reclaimed water and clear water are orderly used to automatically wash, the reclaimed water is the discharged water which is treated by a municipal wastewater treatment plant or a residential district sewage treatment station to reach to the standard or is the rainwater which is collected in a residential district or is washing waste water, and the clear water is the tap water. A double box sequence flush device for the water closet comprises a fresh tank, a reclaimed water box and a flush opening handle, wherein a set of water inlet control mechanism and a flushing control mechanism are respectively arranged in the fresh tank and the reclaimed water box, a sequence flushing control mechanism is arranged, the sequence flushing control mechanism is respectively connected with a reclaimed water inlet control mechanism and a clear water flushing control mechanism, the reclaimed water inlet control mechanism is arranged in a reclaimed water tank, the clear water flushing control mechanism is arranged in a clear water tank, and the flush opening handle is connected with a reclaimed water flush control mechanism which is arranged in the reclaimed water tank. The method and the device of the invention are capable of keeping water for water seal is clean water, and are capable of reaching the same effects with completely clear water washing in sensory and health.

The invention discloses a water-saving degradable nanometer cleaning and curing agent for a motor vehicle and a preparation method thereof. The water-saving degradable nanometer cleaning and curing agent for the motor vehicle comprises the following components in percentage by weight: a component A including 2.0-20.0 of food-grade soya bean lecithin, 1.0-10.0 of cosmetic-grade beeswax, 1.0-5.0 of cosmetic-grade wool fat and 1.0-5.0 of cosmetic-grade palm wax; a component B including 2.0-13.0 of medicine-grade glycerol, 10.0-25.0 of medicine-grade white oil, 10.0-25.0 of cosmetic-grade compound emulsifier, 2.0-8.0 of natural foaming agent, 1.0-3.0 of cosmetic-grade simethicone and 35.0-70.0 of energy water; and a component C including 0.1-0.5 of cosmetic-grade nanometer ultraviolet screening agent, 0.1-0.5 of cosmetic-grade nanometer antibacterial agent and 1.0-3.0 of medicine-grade antifreezing agent. The water-saving degradable nanometer cleaning and curing agent for the motor vehicle, prepared by the invention, can conveniently and rapidly save water, and is made by taking cosmetic-grade and nanometer materials as the main materials, thus having remarkable quality guarantee and environment friendliness effects.

The invention discloses a Zenia insignis and dalbergia odorifera mixed afforestation method in stony desertification regions. The method comprises cleaning a mountain and preparing land, processing seedlings, afforesting in a mixed manner, and performing tending management. The method specifically comprises: in autumn in the previous year of afforestation, performing manual cave-shaped land preparation, selecting Zenia insignis container seedlings of 5-8 months and dalbergia odorifera container seedlings which are older than or equal to one year old to afforest, using a star-like uneven-aged mixed plantation method, plantation density of a mingled forest being 1900-2600 plants / hm2, after afforestation, weeding, applying fertilizer, and tending. The method breaks a problem that a Zenia insignis pure forest has stony desertification in a seasonal manner because of fallen leaves in winter, and makes Zenia insignis and the dalbergia odorifera muturally promote growth, so as to improve vegetation coverage of stony desertification mountain areas, improve soil, and enhance water and soil conservation effect. The method maintains soil fertility, promotes growth of rare tree dalbergia odorifera trees in height and improves trunk quality, reduces investment in manual trimming of the dalbergia odorifera and arranging trunk auxiliary supports, accelerates vegetation recovery process in the stony desertification regions, and increases income of mountainous area people. The method has good social benefit and ecological benefits.

The invention belongs to the technical field of an agricultural thin film, and discloses a preparation method of a full-degradable soil moisture preservation agricultural mulching film. The agricultural mulching film is prepared from the following raw materials in parts by weight: 20 to 40 parts of poly-hydroxyalkanoate polymers, 8 to 15 parts of fatty ester condensation polymers, 20 to 30 parts of sea algae extracts, 100 to 150 parts of n-hexane, 30 to 40 parts of okra straw and leaf powder, 5 to 10 parts of corn stigma, 3 to 5 parts of modified clay powder, 10 to 15 parts of film forming agents, 5 to 12 parts of cross linking agents, 3 to 5 parts of photosensitizers and 8 to 15 parts of optional functional auxiliary agents. The mulching film provided by the invention has the advantages that the film forming effect on the ground surface is good; the speed is high; the automatic full degradable effect can be achieved; the effects of soil moisture preservation and temperature rise can be achieved; the functions of improving the soil structure and improving the soil fertility are realized.

The invention provides a sink type dish washing machine and a washing control method thereof. The sink type dish washing machine comprises a sink piece, a fruit and vegetable basket, a water inlet assembly, a drain assembly, a turbidity sensor and a controller, wherein the sink piece comprises a sink and a water cup assembly, the fruit and vegetable basket is arranged in the sink, the water inletassembly is used for injecting washing water into the fruit and vegetable basket, the drain assembly is used for draining washing sewage in the fruit and vegetable basket, the turbidity sensor is arranged in the water cup assembly and used for detecting the turbidity of water in the water cup assembly, and the controller is connected with the water inlet assembly, the drain assembly and the turbidity sensor and used for controlling the drain assembly to work each time when washing is completed, judging whether secondary washing is needed or not according to the current turbidity of water in the water cup assembly, obtaining the washing water amount according to the current turbidity of water in the water cup assembly if necessary, and controlling the water inlet assembly to work accordingto the washing water amount after the washing sewage in the fruit and vegetable basket is drained. Thus, the washing effect of fruits and vegetables can be ensured, and water conservation is facilitated.

The present invention discloses a full automatic control water jet condenser with characteristics of a concentric diameter changing throat part, temperature control, constant water pressure and adjustable nozzles, wherein the full automatic control water jet condenser is used in sugar refineries. The full automatic control water jet condenser is characterized in that part of spray nozzles and jet nozzles arranged in a water chamber are nozzles provided with a pneumatic opening and closing control device, a throat part of the condenser is provided with a concentric diameter changing throat part device, and the pneumatic opening and closing controlled nozzles and the concentric diameter changing throat part device can jointly act and perform adjustment control according to a water temperature and a water supply amount of water entering the condenser water chamber. According to the present invention, a pressure transmitter for detecting a vacuum degree of a container (a sugar boiling tank or an evaporation tank), a temperature transmitter for detecting a temperature of a material (a syrup and a sugar paste) inside the container, and a pressure transmitter for detecting water pressure inside the water chamber jointly adjust and control an opening degree of an automatic control water inlet valve, such that the condenser can achieve a high vacuum degree under a normal production condition, and can achieve a preset vacuum degree and a preset material temperature during production condition changing, wherein the existing wet type water jet condensers used in sugar refineries at home and abroad do not have the advantages of the condenser of the present invention.

A hidden sensing device and its urinal are disclosed. The hidden sensing device, which is attached on some sanitary installations, comprises a conductivity sensor for detecting urine and a Micro-programmed Control Unit (MCU) for processing signals, wherein said conductivity sensor has electrodes extending into urine. The device further includes a microwave sensor controlled by the MCU to detect human's movements. When the conductivity sensor has detected urine, the MCU will turn on the microwave sensor to detect the human's presence or departure.

The invention discloses a non-clogging bottle type root drip irrigation device with adjustable speed, comprising a bottle type water storage container and a water-saving drip stick provided with a nut cap, an inserted link, a water delivery pipe, a water outlet, an air inlet channel and a water outlet channel, wherein the air inlet channel is formed by utilizing a gap between the nut cap and threads at a bottle mouth, the size of an air inlet gap is changed through the tightness of the threads to form an intake valve, and a labyrinth type water outlet channel and a water outlet valve are additionally arranged. Water is directly delivered to plant roots under earth surface by the non-clogging bottle type root drip irrigation device, dripping speed can be drastically adjusted, and the non-clogging bottle type root drip irrigation device can not be clogged when muddy water is used, and also has the performance of automatically adjusting the dripping speed according to dryness and wetnessof soil. By using the non-clogging bottle type root drip irrigation device, only the plant roots are irrigated, most scientific precise irrigation can be implemented according to needs of plant growth, and water-saving high yield can be achieved in arid areas. The non-clogging bottle type root drip irrigation device is an independent irrigation system which does not need laid pipelines or electricity, is flexible in use, and has irreplaceable advantages in increasing the survival rate of sapling in afforestation and automatic irrigation for flowers and grass planted at home.

A controller for use with a fluid distribution system and method of operation thereof is provided. The controller comprises a touch screen, a processing unit, and an output interface. The processing unit is in communication with the touch screen. The output interface is in communication with the processing unit and the fluid distribution system. In response to a touch input from a user, the processing unit accesses at least one valve profile and adjusts a state of operation of the fluid distribution system through the output interface.

The invention discloses a fruit and vegetable double-cleaning device. The fruit and vegetable double-cleaning device comprises a supporting frame, an outer cover bucket, a roller I, a roller II, a rotary shaft, a handrail, spiral vanes, a cleaning brush, a feeding port, a discharging port, a spraying head, a motor, a speed reducer, a separating plate, a connecting articulated chute, screening holes, a sewage pool I, a sewage pool II, a water-permeable plate, a dirt discharging port, a water draining port and a circulation pump, wherein the cylindrical roller I and the cylindrical roller II are erected on the supporting frame vertically diagonally and connected through the connecting articulated chute, the outer cover bucket is arranged outside the rollers, the spraying head is arranged on the top inside the outer cover bucket, the water draining port is formed in the bottom of the outer cover bucket, the roller I and the roller II are fence-shaped barrels composed of fences, a rotary shaft is arranged in the center of each roller, the spiral vanes are welded to the rotary shafts, the sewage pool I is arranged under the roller I, the sewage pool II is arranged under the roller II, and the sewage filtered through the water-permeable plate at the bottom of the sewage pool II is pumped through the circulation pump, conveyed to the position above the roller I and sprayed. The fruit and vegetable double-cleaning device cleans fruits and vegetables in a grading mode and is favorable for water conservation.

The invention discloses a demister washing technology for ethylene spent caustic flue gas desulfurization. A demister washing spraying system is arranged below a chimney inside a desulfurizing tower so that dynamic washing spraying can be conducted on a demister. The demister washing spraying system and a main water charging system of a gas desulfurization system are in joint debugging and joint control. When the main water charging system of the desulfurizing tower is insufficient in capacity or breaks down, dynamic washing spraying is controlled to be conducted on the demister, meanwhile, water balance of the whole gas desulfurization system can be maintained in an auxiliary mode, and the liquid level at the bottom of the desulfurizing tower is controlled to be stabilized within a set height range. The invention further provides a demister washing device which is composed of a demister washing water spraying layer, a washing water main pipe and a control switch. By means of the demister washing technology for ethylene spent caustic flue gas desulfurization and the demister washing device thereof, the defects that the demister washing water spraying layers are numerous, and valves and nozzles are also numerous in a traditional desulfurization mode are overcome, the maintenance workload is small, water resources are saved, the demister washing system for ethylene spent caustic flue gas desulfurization is simpler and more practical, the long-period efficient operating requirement is met, and maintaining is more convenient.

The invention discloses a saline-alkali land improving and greening method, and belongs to the technical field of saline-alkali land improvement. The method comprises the following steps: arrangementof a salt drainage ditch: determining the depth, width and direction of the salt drainage ditch according to the depth of soil needing improvement and the depth of groundwater; burying of a salt drainage device: firstly, laying gravel in the salt drainage ditch, then laying a leakage net, laying a salt drainage pipe on the gravel and the leakage net, laying gravel on the leakage net after the saltdrainage pipe is wrapped by the leakage net, and then filling and leveling up the salt drainage ditch; deep ploughing: ploughing to the degree of finely broken soil, and allowing no obvious large soil to exist; field soaking: repeatedly storing water and soaking until no large number of salt crystals exist; improved soil replacement: laying good soil with 25 cm or more; salt and / or alkali tolerant plant planting; and straw returning to field: improving for a period of time, selecting crops and plants, intercropping, and returning crop straw to the field. The saline-alkali land improving and greening method disclosed by the invention can improve the saline-alkali land to be used for agricultural production.

The invention relates to a shoe bathtub, which comprises a bathtub body. The longitudinal section of the bathtub body is L-shaped. An L-shaped bottom is that a closed transverse space is formed at an L-shaped horizontal stroked position. An L-shaped vertical cylindrical wall is that an opened vertical space is formed at an L-shaped vertical stroked position. The transverse space is formed by encircling the wall of the bathtub. The shoe bathtub disclosed by the invention has the benefits that: compared with the groove bathtub, because the water capacity of the shoe bathtub is very low, and a lot of clear water is unnecessary, the shoe bathtub is advantageous for saving water; because the opening of the bathtub is not very large, and other parts are fully closed, a lot of heat cannot be dissipated, and the shoe bathtub is easy to keep warm; and, because bath people can be completely immersed and can feel comfortable and warm, the shoe bathtub is beneficial to physical and psychological health.

The present invention discloses a method for processing organic wastewater for manufacturing a circuit board using a short distance distillation, including at least two stages of concentrating and dewatering by a short distance evaporator, each stage distills water containing COD less than 100mg / L; the first stage of the distillation is that adding the organic wastewater for manufacturing the circuit board into a buffer vessel directly, then feeding into the short distance evaporator to concentrated and dewater, the second stage of the distillation is that feeding the organic wastewater after the concentrating and the dewatering into a second stage short distance column distiller to concentrate and dewater secondly, wherein a temperature is controlled from 60 to 130 DEG C, a pressure intensity is in a range from -0.6MPa-0.95MPa, then a high concentration fluid-like substance or cream-like substance will be obtained. By means of the invention, it is capable of processing the organic wastewater for the circuit board without chemical processes of pH value regulation, precipitating and filtrating, microwave reaction catalytic oxidation degradation and the like, the flow path is simple, and the distilled and separated water conforms a discharge standard.

The invention discloses a flexible bag type extruding and rolling type full-automatic washing machine and a washing method thereof. The full-automatic washing machine comprises sealed flexible washingbags, a washing bag extruding device, a washing bag support device, a water injection device and a water discharging device. One washing machine only uses one motor, the motor transmits power to thewashing bag extruding device, independent sealed washing bags of one or more different volumes are extruded and rolled, so that clothes is bagged and classified for washing; a pressure sensor arrangedin the washing bag support device is used for determining whether the washing bag is filled with clothes or not, and meanwhile, the volume of the washing bag is determined according to the installation position; the water injection device is used for injecting water into the washing bags; a detergent adding device is used for injecting a detergent; the water injection amount and the detergent usage amount are automatically determined according to the volume of the washing bags; the water discharge device is used for draining water in the washing bags, and the moisture of clothes in the washing bags can be dried by utilizing a vacuumizing manner. According to the machine, small clothes can be classified for washing in different cylinders with effects of water saving, energy saving, sanitation and low cost.

The invention discloses a cleaning vehicle for a tower-type solar thermal power generation heliostat. The cleaning vehicle comprises a vehicle body, a cleaning device, a mechanical arm, an adjustment device, an auxiliary engine, a water tank, a water path and an oil path, wherein the cleaning device is mounted on the adjustment device, and the adjustment device is fixedly mounted at the tail end of the mechanical arm; the mechanical arm is mounted between the cab of the vehicle body and the auxiliary engine; the water tank is fixedly mounted at the rear end of the vehicle body; the auxiliary engine is used for supplying power for an oil pump in the oil path and a water pump in the water path and is mounted between the mechanical arm and the water tank; the water path is used for connecting the water tank with the cleaning device; and the pressure and the flow rate of the oil path can be adjusted to control actions of the mechanical arm, the adjustment device and the cleaning device.

The invention relates to a non-phosphorus corrosion and scale inhibitor suitable for medium-and-low-hardness and strong-corrosion water and application of the non-phosphorus corrosion and scale inhibitor. The non-phosphorus corrosion and scale inhibitor is prepared from the following ingredients by weight percent: 15-30% of an AMPS-containing terpolymer, 12-20% of hydrolyzed polymaleic acid, 0.1-10% of sodium gluconate, 15-40% of a fatty alcohol polyoxyalkylene alkyl ether-carboxyl-sulfopropionate copolymer, 0.1-3% of a pH regulator, 0.1-12% of zinc salt, 0.1-5.0% of benzotriazole, 0.5-5.0% of a water-soluble inert fluorescent tracer and 15-40% of deionized water. Compared with the prior art, the non-phosphorus corrosion and scale inhibitor provided by the invention solves the problem that a common non-phosphorus corrosion and scale inhibitor cannot draw the corrosion and scale inhibition function into consideration during concentration of a circulating water system. The non-phosphorus corrosion and scale inhibitor is favorable in performance and good in stability, has general applicability to medium-and-low-hardness and strong-corrosion water, and has the characteristics of no phosphorus, environmental friendliness and high efficiency.

A water-saving pedestal pan comprises a basin and a linkage opening and closing device. A sewage discharging controller is arranged at a sewage discharging port of the basin, the linkage opening and closing device comprises a switch and a driving device controlling the sewage discharging controller to be started and stopped, a return mechanism is arranged on the sewage discharging controller, a water incoming valve in a water incoming control device is connected with a water incoming pipe, an outlet of the water incoming valve is communicated with an inner cavity of the basin, the sewage discharging controller comprises a sewage discharging shell, the sewage discharging port extends into the sewage discharging shell, a sewage discharging outlet positioned in the undersurface of the sewage discharging shell is connected with the sewage discharging pipe, a sewage discharging valve is disposed on the sewage discharging port, the top of the sewage discharging valve extends out of the top of the sewage discharging shell through a sewage discharging control rod, the driving device is an electromagnetic cylinder which is fixed at the top of the sewage discharging shell, the outer end of a piston rod in the electromagnetic cylinder is movably connected with the sewage discharging control rod extending at the top of the sewage discharging shell, and the electromagnetic cylinder is connected with the switch. The water-saving pedestal pan is simple and reasonable in structure, convenient to use, capable of realizing automatic-sensing water flushing, good in water-saving and deodorant effect and high in practicability.

The invention discloses a soilless culture method of bitter gourd. Primarily, the bitter gourd is cultured by using a trough culture mode and a drip irrigation facility, and a rational organic matrix proportion is adopted, so that the yield of the produced bitter gourd is high, the quality is higher, the mouthfeel is better, water can be saved, and the culture method is easy and convenient to operate.

The invention discloses a water-saving pedestal pan, which solves the problems that the existing pedestal pan body made of pure ceramic materials has a complex structure, inconvenience in manufacturing, low finished product yield, and needs lots of water in use. The invention has a structure that the water-saving pedestal pan comprises a ceramic inner container with an opening on an upper part; a pollution discharging runner communicated with an inner part of the inner container is arranged on a lower part of the inner container; and a water filling structure is arranged on an inner side of the periphery of the opening of the inner container. The water-saving pedestal pan is characterized in that the pollution discharging runner is straight; a sealing device is arranged on a pollution outlet of the pollution discharging runner; a power source in the sealing device is connected with a water filling switch on the pedestal pan; when the water filling switch is pressed, the power source acts in a forward direction, and the pollution discharging runner and a sewer are communicated through the sealing device; and when the water filling switch is loosened, the power source acts in a reverse direction, and the sealing device cuts off the pollution discharging runner and the sewer.