71results about How to "Enough oxygen" patented technology

The invention discloses a conditioner for remediating organic contaminated soil by utilizing microbes. The conditioner comprises the following components in percentage by mass: 5-20% of microbial flora fermentation liquor, 20-50% of an organic improver and 30-75% of a culture medium, wherein the microbial flora relates to 19 bacterial genera comprising acinetobacter, micrococcaceae, bacillus, candida, trichoderma and aspergillus; the organic improver is one or several of diatomite, humus, straws, charcoal, saw dust, bagasse and plant ash; the culture medium contains monopotassium phosphate, dipotassium phosphate, ammonium sulfate, limestone and bean pulp. The conditioner disclosed by the invention contributes to degrading growth and reproduction of the microbial flora of organic pollutants, and can achieve effects of regulating the pH value of the soil and nutrition-allocated proportion of carbon, nitrogen and phosphorus, effectively improving the composition and structure of the organic contaminated soil and avoiding the phenomenon that the ventilation volume of soil is reduced due to hardening, so that the organic contaminated soil is effectively remediated.

The invention discloses preparation for a humic-acid-contained water-soluble fertilizer by utilizing molasses alcohol fermentation liquid. The preparation comprises the following steps: using molasses fermentation liquid with a brix of 45 to 75% as a main raw material, adding biological bacteria with a weight accounting for 0.5 to 5% of the weight of the molasses fermentation liquid, carrying out uniform mixing and then carrying out placing in a fermentation pool, carrying out fermentation at 30 to 60 DEG C for 32 to 40 hours, then carrying out high-temperature inactivation at 200 to 250 DEG C, adding a water-soluble nitrogen fertilizer, a water-soluble phosphate fertilizer and a water-soluble potash fertilizer with a total weight accounting for 15 to 40% of the weight of the molasses fermentation liquid, and carrying out filtering and removing sediments so as to obtained the humic-acid-contained water-soluble fertilizer. According to the invention, rich humic acid, organic matters, amino acid and plant-needed trace elements like nitrogen, phosphorus and potassium contained in the molasses fermentation liquid are utilized to effectively improve soil, so the organic matters are increased; fertilizer efficiency is strengthened; growth of plants is promoted; and requirements for integration of water and fertilizers in modern agricultural science and technology can be met; meanwhile, useful substances like the trace elements, the organic matters, amino acid and humic acid in the molasses fermentation liquid are fully utilized to return to a field, so wastes are turned into treasures.

The invention discloses a fire scene rescue device. The fire scene rescue device comprises a base, a control unit, a camera, a mechanical arm, a safety cabin and a plurality of crawler wheels, wherein the mechanical arm is connected with the base through a first motor in a transmission mode; the first motor is electrically connected with the control unit; the control unit and the camera are in communication connection with a remote control center; the crawler wheels are fixed on two sides of the base through a second motor which is electrically connected with the control unit; and the safety cabin is fixed on the base. Due to the adoption of the fire scene rescue device, a robot can walk upstairs and downstairs easily and can rescue people effectively, and the fire scene rescue device has the advantages of high stability and safety.

The invention discloses a novel cyclone bias pulverized coal burner. The novel cyclone bias pulverized coal burner is characterized by comprising a central pipe, a pulverized coal concentration device, a primary air channel, a pulverized coal bias separating cylinder, a central pipe flaring, a primary air pipe flaring, a secondary air channel, a cyclone, a tertiary air channel and a tertiary air pipe flaring from inside to outside. According to the novel cyclone bias pulverized coal burner, the ignition and the burning of anthracite are supported in a mode of supplementing high-quality bituminous coal, the effect of increasing volatile matters of pulverized coal in a disguised form is achieved in the preliminary burning stage of the pulverized coal, and the timely ignition, the stable burning and the efficient burnout of low-volatile-matter pulverized coal are guaranteed. The novel cyclone bias pulverized coal burner is simple in structure, convenient to transform, and capable of efficiently burning the low-volatile-matter coal and particularly suitable for the structural transformation of burners of medium and small-sized industrial boilers, and can be widely applied to burning of low-volatile-matter anthracite duff for the industrial boilers.

The invention provides a cold seawater spraying ice-temperature alive-keeping device which is suitable for far and short-distance alive-keeping transportation of abalones and can greatly reduce the survival rate of the abalones during the transportation process. According to the cold seawater spraying ice-temperature alive-keeping device disclosed by the invention, an abalone placing disc in an abalone alive-keeping box is utilized as an object for enabling the abalones to attach, so that the abalones can be distributed uniformly and be prevented from extruding mutually; by adopting a low-temperature seawater gradual cooling method, the metabolism speed of the abalones can be gradually inhibited, and the injures to organisms caused by severe changes in temperature can be avoided; during the water circulation cooling process, an ultraviolet lamp is arranged at the top of a seawater storage tank, the ultraviolet lamp is utilized for performing cold seawater sterilization and purification, the abalones are purified by utilizing clean sweater, the survival time of the abalones is ensured, and the device is suitable for long-distance transportation; and a cold seawater aeration way is adopted for ensuring sufficient oxygen in spraying seawater so as to maintain the sufficient oxygen required for survival of the abalones. The device has the characteristics of long alive-keeping time and simple operation process; and furthermore, a centralized control mode is adopted, and the device is suitable for large-scale industrial application.

The invention belongs to the technical field of daily necessaries, and particularly discloses an integrated mosquito coil box, which comprises a box cover, an ash collecting box, a bottom box, a long rod and a storage box, wherein a plurality of through holes are arranged on the upper end of the box cover, a locking body is arranged on the box cover, an ash leakage net is arranged on the upper end of the ash collecting box, a baffle plate which is hinged with the ash collecting box is arranged on one end of the ash collecting box, a support is arranged on the other end of the ash collecting box, and the box cover and the ash collecting box are hinged. The upper end of the long rod is of a hook shape, and is matched and connected with the locking body, the upper portion of the long rod is hinged with the support, a pressing cap is arranged on the long rod, and is arranged above the support, and the lower end of the long rod is hinged with the storage box. The bottom box and the storage box are connected in a sliding mode, the right end of the storage box and the inner wall of the bottom box are connected through a first elastic piece. The integrated mosquito coil box solves the problems that mosquito coils are not convenient to store and fussy in use process. Compared with the prior art, the integrated mosquito coil box saves time and labor when using, is safe and sanitary, and is also extremely convenient in use process.

The invention discloses a breeding method of weever in fresh water. The method includes the following steps of (1) selection and treatment of a pond, wherein the pond is rectangular and is arranged inthe north-south direction, quick lime is used for disinfection, clean water is used for cleaning the pond, a layer of pond silt with the thickness of 30-40 cm is laid on the bottom of the pond, aquatic plants are planted on the silt, and then clean water free of pollution is put into the pond; (2) treatment of pond water, wherein the water quality is controlled within the pH range from 5 to 6.5,addition of mixed liquid and drainage are conducted every day 1-2 months before the weever can be sold in the market, and the mixed liquid is filtered liquid of tea leaves, maguey and pericarpium citri reticulatae which are stewed, filtered and cooled; (3) stocking of the weever; (4) feed feeding. The weever obtained by means of the method is delicious in taste and high in protein content, the mudsmell of the weever bred in the fresh water can be removed, and the requirements of processing raw materials are met.

The invention relates to a thermal-insulating, oxidizing and cooling device used in vanadium extraction from stone coal and a using method of the device, and the device belongs to the technical field of vanadium extraction. The thermal-insulating, oxidizing and cooling device comprises a secondary air fan, a screening chute, a thermal-insulating and oxidizing segment, a heat compensation system, a cooling segment, a vibrating discharge device and a chain-slat conveyor, wherein the screening chute is supported on a beam at the upper part of the thermal-insulating and oxidizing segment in an inclined way and an angle of 25 degrees is formed between the screening chute and the horizontal surface, the thermal-insulating and oxidizing segment is arranged under the screening chute, the cooling segment is arranged below the thermal-insulating and oxidizing segment; the cooling segment is directly communicated with the thermal-insulating and oxidizing segment in a welded way, the lower end of the cooling segment is connected with the vibrating discharge device through bolts; conveying equipment, namely the chain-slat conveyor is arranged at a 350mm part below the vibrating discharge device; the heat compensation system is arranged 300mm above the connection part of the thermal-insulating and oxidizing segment and the cooling segment; the heat compensation system is connected with the thermal-insulating and oxidizing segment through flange bolts; the secondary air fan is introduced into the cooling segment (5) through an air pipeline; and the air pipeline of the secondary air fan (1) is connected with the cooling segment (5) through flange bolts. The thermal-insulating, oxidizing and cooling device and the using method of the device have the advantages of solving the problems such as insufficient oxidizing atmosphere and short thermal insulation time in stone mine calcination.

The invention discloses a domestic sewage material filtering device, and belongs to the technical field of domestic sewage treatment. The domestic sewage material filtering device comprises two relatively large box bodies (a solid impurity filtering box and an organic matter cleaning box), a connecting pipe and an oil liquid filtering box, wherein the connecting pipe is used for connecting the solid impurity filtering box and the organic matter cleaning box; the oil liquid filtering box is arranged on the connecting pipe; the solid impurity filtering box is separated into a large solid filtering region and a small solid filtering region by a separation plate; a rotating blade group and a first rotating cylinder of a windmill structure are arranged in the large solid filtering region; fixedcutter teeth and blade cutter teeth which are matched are arranged at one side of a first fixed cylinder body and rotating blades; first through holes are formed in the side wall of the first rotating cylinder; the first rotating cylinder is filled with active carbon; a second rotating cylinder and rotating fan blades are arranged in a small solid filtering cavity; reticular metal filled with quartz sand and zeolite is arranged between the rotating fan blades; third through holes are formed in the side wall of the second rotating cylinder; the domestic sewage material filtering device is alsoprovided with a solid accommodating box and a water body accommodating box. The domestic sewage material filtering device has the advantages that the design is reasonable and is optimized; the structure is compact; the occupied space is relatively small; the work flow process is short; the treatment efficiency is high; the treatment effect is better.

The invention belongs to the field of aquatic product storage and transportation, and relates to a fresh soft crab storage and transportation method. A fresh soft crab storage and transportation container and an application method are included. Due to the fact that a soft crab is like a mass of soft meat, it is not needed to worry about piercing of the container through the soft crab. Due to a tray, the soft crab is prevented from being extruded. Due to the fact that the soft crab is in a humid and low-temperature environment, enough oxygen is kept in a bag, the tray is provided with holes or gaps, the soft crab can inhale oxygen conveniently, and the survival of the soft crab is guaranteed. The purpose of keeping the soft crab alive is achieved, the manufacturing cost is greatly reduced and is about one yuan, the manufacturing cost is only about 1 / 10 of a novel portal living aquatic product storage and transportation container, the requirement of a user for one-time using is met, and the fresh soft crab storage and transportation method can be widely applied to storage, transportation, online shopping logistics and market selling of the soft crab, a soft shell shrimp and other fresh soft shell aquatic products.

The invention discloses an indefinite fresh food logistics transportation box. The indefinite fresh food logistics transportation box comprises a box body, wherein a box cover is arranged at a notch in the upper end of the box body, a plurality of ventilation openings are uniformly formed in the box cover, a mounting groove is coaxially formed in the lower side of the box body, a plurality of oxygen enrichment pipes are uniformly arranged between the inner top wall of the mounting groove and the inner bottom wall of the box body in a communicating mode, a rotating rod is rotationally connectedto the upper middle portion of the inner top wall of the mounting groove through a torsion spring, and a rotating disc is arranged on the rotating rod in a sleeving mode through a one-way bearing. According to the indefinite fresh food logistics transportation box, the oxygen enrichment pipes and through holes are arranged, so that oxygen can be intermittently supplied to different positions in the box body in a nondirective mode, the utilization rate of an oxygen enrichment pump is improved, and the dissolved oxygen amount in the box body is increased; and meanwhile, when oxygen is suppliedto a certain oxygen enrichment pipe, fresh food is gathered at the position, when the oxygen is not supplied to the oxygen enrichment pipe at the position, and the oxygen is supplied to the adjacent oxygen enrichment pipe, the fresh food is gathered at the other position, so that the fresh food in the box body can be prevented from being gathered at a certain position, most of the fresh food in the box body can be guaranteed to obtain enough oxygen, and then the survival rate of the fresh food is improved.

The invention relates to an oligodynamic sewage treatment system and a method, which belongs to the technical field of organic waste water treatment. The oligodynamic sewage treatment system comprises a sewage collection tank, a precipitation tank, a regulation tank and a fan blower. The invention is characterized in that the oligodynamic sewage treatment system also comprises a sand biological filter tank, wherein the sewage collection tank, the precipitation tank, the regulation tank and the sand biological filter tank are sequentially communicated, the sand biological filter tank consists of a lower pebble layer, a yellow sand layer, an upper pebble layer and a thick soil layer, the lower pebble layer is arranged at the bottom of the sand biological filter tank, the yellow sand layer is arranged on the lower pebble layer, the upper pebble layer is arranged on the yellow sand layer, the thick soil layer is arranged on the upper pebble layer, aeration pipes are paved in the lower pebble layer, the aeration pipes are connected with the fan blower and a water outlet, sewage pipes are paved in the upper pebble layer, and the sewage pipes are communicated with the regulation tank. The invention has the advantages of low operation cost, high efficiency, low construction cost, strong applicability, high sewage processing efficiency, small area of occupied ground and ground resource saving.

The invention discloses a household waste incineration power generation and sludge drying treatment synergetic method and system. According to the household waste incineration power generation and sludge drying treatment synergetic method, a low-pressure extracted steam of a steam turbine generator set of a household waste incineration power generation system is used as a heat source for sludge drying treatment, and the dried sludge and household waste are mixed and incinerated for power generation; and odor and waste water in the sludge drying process and smoke and ash generated in the sludgeincineration process are jointly treated through waste water, waste gas and waste residue pollution preventing facilities in the household waste incineration power generation system. By the adoptionof the household waste incineration power generation and sludge drying synergetic treatment method and system, by means of synergy between the household waste incineration power generation and sludgetreatment, the effects of reduction, disinfection, sterilization and odor removal are achieved in the drying process, the harmless requirement of sludge treatment is met, reduction and recycling of the sludge are achieved in a real sense on this premise, and good economic, social and environment benefits are achieved.

The invention discloses a biomass pyrolysis combustion furnace, and belongs to the filed of biomass fuel pyrolysis equipment. The biomass pyrolysis combustion furnace comprises a bracket, a furnace shell, air inlets and a funnel cap arranged on a furnace pipe, wherein the furnace shell is arranged on the bracket, the furnace pipe is located inside the furnace shell, the air inlet are formed on the furnace shell, the funnel cap is of a structure with an upper layer and a lower layer which form a secondary air supply chamber, a cone-frustum-shaped ignition cavity is arranged on the middle of the funnel cap in the axial direction, the bottom of the furnace pipe is provided with a hole, a primary air supply chamber is arranged between the bottom of the furnace pipe and the furnace shell, the air inlets are respectively connected to the primary air supply chamber and the secondary air supply chamber, and a combustion chamber is formed between the funnel cap and the inner wall of the upper part of the furnace shell. The biomass pyrolysis combustion furnace disclosed by the invention has the advantages that the pyrolysis of a biomass fuel is sufficient, the combustion is complete, and the heat energy after combustion is utilized fully.

The invention provides a culture method for grass carp. The culture method comprises the following steps: firstly, establishing an ecological culture pond: selecting a place which orients from south to north, and has the advantages of sun trap, convenience in irrigation and drainage and sufficient sunlight for building the culture pond, sterilizing with quick lime, cleaning the pond with clear water, adopting loose sandy soil rich in humus at the periphery, which is close to a water source, of the culture pond, building a platform with the width of 70 to 80cm, paving a layer of pond silt withthe thickness of 30 to 40cm at the bottom of the pond, planting aquatic plants on the silt and then injecting clean pollution-free water; secondly, stocking the grass carp: mixing adult grass carp with a small amount of bighead carp, carp and golden carp for stocking, and adopting a high-density stocking mode; thirdly, feeding feed: feeding artificial feed, wherein the daily feeding amount of theartificial feed is 0.4 to 0.8 percent of the total weight of the carp. The grass carp cultured with the method has the advantages of slime shape, reduced fat, tough and elastic meat quality, increaseddelicious, smooth and tender mouth feel as well as delicious taste and mouth feel of naturally-growing grass carp.

The invention discloses an alpine grassland mining area rock slope regreening matrix and a preparation method thereof, and relates to the technical field of rock slope regreening. According to the alpine grassland mining area rock slope regreening matrix and the preparation method thereof, mining area waste land soil, decomposed organic waste, straw, a binder, a water-retaining agent, a composite microbial fertilizer, a slag, fly ash and a pH regulator are mixed into the regreening matrix, the matrix components are specifically blended by utilizing the synergistic effect of the components, the problems that rock slope soil is poor in adhesive capacity, poor in water-retaining property and low in organic matter content are effectively solved, the straw, the slag, the decomposed organic waste, the fly ash and the like are used as components of the regreening matrix, waste is utilized, energy is saved, environment friendliness is achieved, and the regreening matrix has high practical value and application prospects.

The invention discloses a method for processing feces pollutants. The method comprises the following steps: 1) collecting animal feces pollutants, and filtering the collected animal feces pollutants to obtain feces precipitate and sewage; 2) introducing the feces precipitate obtained in step 1) into a feces regulating tank, adding a fermentation strain, and mixing the feces precipitate and the fermentation strain to obtain premixed feces, wherein the fermentation strain contains Bacillus natto, and also selectively contains one or more of yeast and fermentation bed autochthonous thermophilic bacteria; and 3) introducing the premixed feces obtained in step 2) into a fermentation tank containing a fermentation padding, performing mixing to obtain a mixture, and fermenting the mixture to prepare an organic fertilizer, wherein the fermentation temperature is controlled to be 50-60 DEG C and air is continuously or intermediately introduced to the bottom of the fermentation tank in the fermentation process. The method can avoid the dead bed problem of a heterotopic biological fermentation bed in the fermentation process, and also can prolong the service life of the padding and reduce thereplacement frequency of the padding in order to greatly reduce the cost.

The invention belongs to the field of agriculture and relates to a soilless culture device for peanuts in the full growth period. The device comprises a nutrient solution storage tank, detachable moving devices, an air pump, a ventilation pipeline, an air inlet pipe with a valve, and a drainage pipe with a valve; wherein the nutrient solution storage box is a box body with a top opening, the top opening of the nutrient solution storage box is covered with a plurality of detachable moving devices arrayed closely and horizontally, each detachable moving device adopts a groove structure, a plurality of hollow column bodies are arranged in the groove structures, the hollow column bodies are communicated with the bottoms of the groove structures, the air inlet pipe with the valve and the drainage pipe with the valve are respectively communicated with the side wall of the lower end of the nutrient solution storage tank, and the air inlet pipe with the valve is connected with the air pump through the ventilation pipeline. The device can be used for observing the growth of root systems of the peanuts conveniently and the partial growth of the root systems and fruits, so as to apply a soilless cultivation technology in cultivation of the peanuts in the full growth period. Meanwhile, the device has the characteristic that a nutrient solution is convenient to ventilate and convenient to replace.

The present invention discloses a pulse stirring bioreactor for secretion, separation and collection of exosomes. The pulse stirring bioreactor comprises a cell culture device and an exosome separation and collection device; the exosome separation and collection device is connected with the cell culture device and can collect the exosomes separated from a culture solution in the cell culture device; the cell culture device comprises a stirring device and is used for applying stirring power to the culture solution in the cell culture device; and the cell culture device comprises a pulse devicewhich can add the culture solution to the cell culture device in a pulsed manner. The bioreactor can enable the culture solution and cells to be fully mixed to keep enough oxygen supply, the stirringdevice is not in direct contact with the cells and reduces a shearing force of the cells, and at the same time, the pulse stirring bioreactor can simulate cell growth environment in vivo and stimulateNK cells or other suspended cells to secrete a large amount of cell products

The present invention provides a seed potato mist-spraying cultivation device and method. The device is as follows: a support is made from angle iron through fixing pieces, a top plate ia placed on the support, planting holes are arranged in the top plate, fixing racks are arranged besides the planting holes, layer plates are arranged in middle parts of the support, layer plate holes are arrangedin the layer plates, spraying pipes are arranged at lower sides of the layer plate holes and connected with a water pump, the water pump is driven by a motor, stop valves are arranged on the sprayingpipes, water tanks are placed on the most lower side layer plates, a bottom part of the support is provided with universal wheels and fans are arranged on left and right side walls of the support. Theseed potato mist-spraying cultivation device uses multi-level layer plates to realize mist-spraying which only aims at roots without seed potatoes and reduce water content of potato tubers; a mist-sprayed nutrient solution is not directly sprayed on the tubers, so that osmotic damages are avoided. Ventilation between the layers is realized to further reduce water content of the potatoes and alsoensures sufficient oxygen of root cells, and air convection realizes constant root temperatures and external temperatures. The multi-level layer plates realize sequential harvesting and seed potato classification is more convenient.

The invention relates to a covering cultivation technology for Phyllostachys praecox. A first step: 7500kg / ha pig manure or 6000kg / ha chicken manure or duck manure are applied on the bamboo ground andrice chaff of the same weight is evenly spread for 5cm thick; a second step: a first layer of cover is covered with dry straw; the total amount of dry straw used is 22.5 thousand kg / ha, which is covered twice and used half dry grass at a time of 3 to 5 days; each time the thickness of the cover is 10 to 15 cm; each time the cover is covered with water so that the moisture content of the straw reaches 55% to 65%; a third step: after 3 to 5 days after the second dry straw cover, the remaining rice chaff is used for covering; the total amount of rice chaff is 15 to 225,000 kg / ha and the cover thickness is 15 to 20 cm. The invention can shoot out the bamboo shoots earlier, provide sufficient nutrition for the growth of Phyllostachys praecox, increase the yield of Phyllostachys praecox, and greatly increase the economic benefit.

The invention discloses a plateau open field peach cultivation method. The method comprises the steps of garden plot selection, soil preparation, planting, cultivation management, shaping and pest anddisease damage prevention and control. A plateau open field peach cultivation device comprises a framework, a bottom plate is mounted at the lower end of the framework, a top plate is mounted at theupper end of the framework, main shafts are mounted on the outer side walls of the left side and the right side of the framework through first bearings, the two main shafts are collinear, and anti-skid wheels are mounted at the ends, away from the framework, of the two main shafts. The method and the device have the advantages that the pressure of peach trees on soil is reduced through garden plotselection, meanwhile, farmyard manure is applied during ditching to provide rich nutrition for the peach trees, punching and ventilation operation is conducted on the ground surface in the plot selection period, it is guaranteed that the roots of open field peaches can effectively obtain enough oxygen from air of the ground surface in the early stage, the survival rate of the peaches is guaranteed, and the cultivation device does not need a very complex control program, is easy to realize, and is suitable for popularization and application.

The invention discloses a culturing device for microbes in river channels. The culturing device comprises a frame which is formed by the connection of rigid materials, a biological filtering membrane, a plurality of floating balls, a plurality of microbial carriers and at least one aerator pipe, wherein the side of the biological filtering membrane is fixed to the edge of the frame so as to form a trough body of which the upper part is opened; the floating balls are fixed on the upper side edge of the frame; the microbial carriers are placed or fixed in the trough body formed by the biological filtering membrane; the aerator pipe penetrates through the lower part of the trough body formed by the biological filtering membrane, and the aerator pipe is positioned at an air hole formed in the trough body. The culturing device disclosed by the invention has the advantages that the microbial growth can be effectively promoted, and a better foundation is provided for the treatment of microbes in the river channels.

The invention discloses a preparation method of a liposome containing vancomycin, IR780 and oxygen-carrying perfluorohexane. The preparation method comprises the following steps: step 1, carrying out a reaction on vancomycin (Van) and a PEG (Polyethylene Glycol) molecule (DSPE-PEG2000-NHS) to obtain DSPE-PEG2000-Van; step 2, preparing a liposome suspension from sphingomyelin, DSPE-PEG2000-Van and IR780 by adopting a thin film hydration method; step 3, adding perfluorohexane (PFH) and carrying out ultrasonic emulsification on the PFH; and step 4, injecting oxygen to obtain a finished product. According to the invention, the Van reaction efficiency can be improved, the toxin neutralization effect is improved, the photodynamic therapy efficiency is high, and the treatment effect on anaerobic bacteria is better.

The invention relates to a method for culturing Phyllostachys praecox through coverage, which comprises the following steps: uniformly laying 7,500kg / hectare of pig manure or 6,000 kg / hectare of chicken manure or dark manure with rice chaff in the same weight on the Phyllostachys praecox field, wherein the laying thickness is 5cm; covering hay straw on the first layer of covering, wherein the total amount of the hay straw is 22,500 kg / hectare; covering twice, wherein half of the hay straw is used each time, the interval is 3 to 5 days, and the covering thickness each time is 10 to 15 cm; watering after the covering each time, so that wet weight of the straw reaches 55 to 65 percent; and within 3 to 5 days after the covering of the hay straw for the second time, using the residual rice chaff to cover, wherein the total amount of the rice chaff is 150,000 to 225,000 kg / hectare, and the laying thickness is 15 to 20 cm. The method for culturing the Phyllostachys praecox through coverage has the advantages of accelerating the sprouting time, providing enough nutrition for the growth of the Phyllostachys praecox, increasing the yield of the Phyllostachys praecox, and greatly improving economic benefit.

The invention provides a carp breeding method. The carp breeding method comprises the following steps that 1, an ecological breeding pond is established, wherein the breeding pond is established, is sterilized by using quick lime and is cleaned with clear water, loose sandy soil rich in humus is arranged at the position, close to a water source, of the periphery of the breeding pond to build a platform having the width of 70-80 cm, pond sludge having the thickness of 30-40 cm is laid on the bottom of the pond, reeds are planted in the sludge, and then clean and pollution-free water is introduced into the pond; 2, carp stocking is performed, wherein the stocking densities and specifications are as follows: 120-130 kg of grass carps are put per mu, and each grass carp is 90-100 g; 20-24 kg of silver carps are put per mu, and each silver carp is 40-50 g; 15 kg of golden carps are put per mu, and each golden carp is 81 g; 4-6 kg of grass carps are put per mu, and each grass carp is 130-140g; the breeding time is 60-80 days; 3, feeding is performed, wherein artificial feeds are put, the daily putting amount of the artificial feed is 6-10%o. of the total weight of the fish. The fat content of carps bred by adopting the method is reduced, fish meat has toughness and elasticity, delicious, smooth and tender taste is increased, and the carps have the delicious flavor and taste of naturally growing carps.

The invention relates to a fire danger preventing system for a household washroom. A window and a ventilating device in the washroom are removed and a fireproof material with excellent sealing property is used for sealing; a door on an outer wall of the washroom is replaced by a fireproof door with excellent sealing property; an emergency illuminating lamp is arranged at the top of the wall of the washroom; an air inlet fan and a fireproof air inlet channel connected with the outer side of a draughty room are arranged above the wall of the washroom close to one side of the draughty room; an air outlet fan and a fireproof air outlet channel connected with the outer side of the draughty room are arranged under the wall of the washroom; and a storage battery which is connected with the emergency illuminating lamp, the air inlet fan and the air outlet fan is arranged in the middle. The washroom is normally used at ordinary times. When a fire disaster happens and people cannot escape, the washroom can be served as a temporary place for avoiding fire danger.

The invention discloses a tea table type aquarium. The aquarium comprises a water inlet pipe, an aquarium body and a tea table platform; the water inlet pipe passes through a water pipe opening of anouter frame box and is connected with a water inlet of a water storage pipe; the water storage pipe passes through the wall of the aquarium body and communicates with the aquarium body, and a vacuum pump is installed on the water storage pipe; an oxygen generator, a battery, an electric lamp holder and controllable lamps are installed in the outer frame box; an oxygen generating pipe passing through the wall of the aquarium body is installed in an oxygen outlet of the oxygen generator, and a left oxygen generating pipe and a right oxygen generating pipe are respectively installed on the left and right sides of the oxygen generating pipe; and the battery is electrically connected with the oxygen generator and the electric lamp holder, and the controllable lamps are installed on the electriclamp holder. According to the aquarium disclosed by the invention, the oxygen generator is installed in the outer frame box, so that oxygen can be conveyed into the aquarium periodically, and fish can be guaranteed to have sufficient oxygen and normal survival under the condition of good sealing; and the tea table platform is prepared by adopting tempered transparent glass, so that the aquarium has stronger ornamental value.

The invention relates to the technical field of battery material sintering and discloses an exhausting and pressure stabilizing system of a ternary battery anode material sintering atmosphere kiln. The system comprises an exhausting device, a flue gas automatic adjusting device and a flue gas extraction device which are connected successively. The exhausting device communicates to the kiln, a pressure detection device is further connected to the kiln, the pressure detection device is in signal connection to the flue gas automatic adjusting device, the pressure detection device monitors a pressure of the kiln in real time and provides flue gas excess flow guidance to the flue gas automatic adjusting device, the flue gas extraction device comprises an exhaust fan and a first pressure detector for detecting the pressure of the flue gas discharged by the flue gas automatic adjusting device, the first pressure detector is arranged between the exhaust fan and the flue gas automatic adjustingdevice, and the first pressure detector is in signal connection to the exhaust fan. Closed loop control is achieved on exhausting and pressure stabilizing. By monitoring the pressure of the kiln andfeeding the pressure back to the flue gas automatic adjusting device, the flue gas extraction device senses the pressure of the flue gas, and the exhaust fan adjusts the suction power, so that an advantageous atmosphere of the kiln is guaranteed.

The invention provides a planting method for non-toxic rice, and belongs to the technical field of agriculture. The planting method comprises the following steps of preparing a base fertilizer, preparing a paddy field, carrying out paddy field arrangement, planting the rice, and carrying out normal field management, and also comprises the following steps of carrying out pretreatment on the paddy field, carrying out sowing, carrying out field management before seedling pulling, transplanting rice seedlings, carrying out field management in the growth period, carrying out treatment before harvest, and carrying out harvesting. According to the method, a traditional Chinese medicine is used for sterilization and deinsectization, so that the effects of sterilization and deinsectization are achieved under the condition that no chemical pesticides are used, meanwhile, a greenhouse and a temperature control and water control system are used for carrying out controlled planting on the rice in the paddy field, so that the interference of outdoor plant diseases and insect pests to the rice is isolated, meanwhile, the growth environment of the rice can be improved and automatically controlled,the yield of the rice is increased, in addition, a base fertilizer body and traditional Chinese medicine residues are adopted as the base fertilizer, so that soil is improved, salinization of the soil is avoided, and the traditional Chinese medicine residues can be further used as a fertilizer to promote the growth of the rice when being rotted and decomposed.