34results about How to "Ensure a virtuous circle" patented technology

An environmental protection type bast fibre film which is air permeable and impervious is prepared from bast fibres through opening fibres, removing dust and impurities, carding, stripping for netting, airflow netting, chemical sticking by adhesive to become film, applying the hydrophobic agent onto its surfaces, and cold rolling.

The invention discloses a method for producing an organic and inorganic compound fertilizer by utilizing a duck dropping source, which comprises the following steps: regulating C / N ratio and water content of organic wastes; adding a CM fermenting agent to the organic wastes; carrying out aerobic fermentation and secondary fermentation on the organic wastes and then pulverizing the organic wastes; adding large and intermediate trace element chemical fertilizers and a fertilizer regulator or a plant growth regulator to the pulverized organic wastes; and granulating to prepare a commercial organic fertilizer. The invention has simple method, can process the duck dropping source at a time and has flexible nutrient proportioning and strong adaptability of the produced organic fertilizer and obvious fertilizer yield increasing effect.

The invention discloses a method for producing mineral wool by using early-stage molten-state steel slag of a converter, and belongs to the technical field of production of mineral wool. The method comprises the following steps: pouring the early-stage molten-stage steel slag of the converter in a smelting furnace, adding a reducing agent and a modifier in a pouring process, and carrying out reducing and modifying; and after stirring, mixing evenly and standing for 0.5-1.5 hours, feeding slag at the temperature between 1,380 DEG C and 1,430 DEG C to wool producing equipment and processing into the mineral wool. Double advantages of 'residues' and 'heat' of the molten-state steel slag are played fully, ferrosilicon and aluminum granules are used as reducing agents, reaction of silicon, aluminum and iron oxide is silicothermal reaction and aluminothermal reaction, a large amount of thermal can be produced along with the reaction, and heat supply in a whole reducing and modifying process can be satisfied. After valuable elements are recycled, residues are directly prepared into the mineral wool with high additional value, the molten-state steel slag is comprehensively recycled, the problem of emission of the steel slag is solved, furthermore, the production cost of the mineral wool can be reduced, and the economic benefit and the environment benefit are good.

The invention discloses a granular compound fertilizer prepared by using modified starch as a binder. The compound fertilizer is characterized by comprising the following raw materials in parts by weight: 15-40 parts of nitrogenous fertilizer, 20-40 parts of phosphatic fertilizer, 20-42 parts of potash fertilizer and 0.5-2.0 parts of binder. The raw materials of the binder consist of 35-45 parts by weight of starch, 1-5 parts by weight of phosphate, 0.1-3 parts by weight of oxidant, 0.1-1 part by weight of coupling agent and 40-60 parts by weight of water. The binder contained in the granular compound fertilizer has good adhesion capability, so the granular compound fertilizer disclosed by the invention has the advantage that adhesive capability is good, the rotary drum granulation pelletizing ratio is high and the material returning rate is reduced; the pertinence is strong and the fertilizer efficiency is completely releases, so that the soil is hard to harden and the yield-increasing effect is prominent; and the virtuous circle of the soil nutrient can be maintained, the water and nutrient retention capability of the soil is improved and the resistance of the crops is enhanced.

The invention discloses a fertilizer-generating method using organic waste of cattle farm, which comprises the following steps: adjusting ratio of C / N and moisture; adding aerobic fermenting organism preparation; treating the mixture with aerobic fermentation, second fermentation and disintegration; adding macro-element fertilizer or micro-element chemical fertilizer and modifier of fertilizer or vegetation; granulating and getting organic fertilizer or organic-inorganic compound fertilizer. The invention has property of convenient method, can treat organic waste in cattle farm one time; and products fertilizer with flexible nutrient ratio, high adaptability and significant production-increase effect.

The invention discloses a water push and oxygenation device for pond internal circulation flowing water culture. the water push and oxygenation device comprises an oxygenation machine which is connected with multiple oxygenation pipes through pipelines; the oxygenation pipes are provided with multiple holes for pushing water and generating oxygenation; the multiple oxygenation pipes are arranged side by side; the oxygenation pipes are welded with a fixing support. The device of the invention is suitable for culture of multi-kinds and multi-sizes; equalized sale is achieved and capital turnover is accelerated; the production cost can be reduced by 35%; 75% fish metabolite and residual forage can be effectively collected so that virtuous circle of the pond is guaranteed. The water push and oxygenation device for pond internal circulation flowing water culture is used for culturing fish with flowing water; air is used for lifting water and water pushing is more efficient; the cost is lower and there is no need of maintenance; water lift by air can effectively realize water push and oxygenation; flowing water passing through the pond can improve water quality and flush excrement of fish to downstream so as to collect and clear the excrement; floating and sunken solid body can be removed.

The invention discloses an automatic sewage discharge device for cyclic flowing water aquaculture in a pond. The automatic sewage discharge device comprises a sewage collection area; a desilting water pump is mounted above the sewage collection area; proximity switches are mounted on two side walls of the sewage collection area respectively; a water inlet pipe of the desilting water pump is freely movably inserted in the sewage collection area; a water outlet pipe of the desilting water pump is inserted into a sedimentation tank on one side of the sewage collection area, and the sedimentation tank is connected with a coarse sand filter tank through a through hole in the upper portion of a partition wall of the sedimentation tank; the coarse sand filter tank is connected with a fine sand filter tank through a through hole in the upper portion of a partition wall of the coarse sand filter tank; the fine sand filter tank is connected with a nitrifying tank through a through hole in the upper portion of a partition wall of the fine sand filter tank; the nitrifying tank is connected with the external pond through a through hole in the upper portion of a partition wall of the nitrifying tank. The automatic sewage discharge device is suitable for multi-variety multi-specification aquaculture, balanced marketing can be realized, capital turnover speed is increased, and production cost can be reduced by 35%; 75% of fish metabolites and residual feeds can be collected effectively, and intrinsic virtuous cycle of the pond is guaranteed.

The invention provides a construction method of a cascade reservoir ecological power generation multi-objective medium-and-long-term random scheduling model and an optimal scheduling method. The method comprises the following steps of: 1, analyzing random reservoir inflow runoff of a cascade reservoir, and employing an ecological water demand level index method to calculate a suitable ecological flow as an ecological flow reference value; 2, establishing a cascade reservoir ecological power generation multi-objective medium-and-long-term optimization scheduling model which comprises a cascadereservoir power generation amount closeness objective function, an ecological flow closeness objective function and constraint conditions; 3, adopting a reinforcement learning SARSA algorithm to solveand learn the model in different random storage runoff scenes, and introducing a heuristic function and a utility trace function to improve the precision and solving speed of the algorithm; and 4, according to a scheduling rule learned by the algorithm, obtaining a cascade reservoir medium-and-long-term scheduling scheme meeting the maximum ecological power generation comprehensive closeness. According to the methods of the invention, the comprehensive utilization benefit of water resources is improved, and the scheduling effect is improved.

The invention relates to a breeding technology, in particular to a stereoscopic ecological breeding method for Chinese soft-shell turtles. The stereoscopic ecological breeding method comprises the following steps of breeding the Chinese soft-shell turtles in an outdoor pond or a Chinese soft-shell turtle breeding pond on May to October under the condition that the number of the Chinese soft-shell turtles is 1500-2000 per acre; arranging a slit layer on the bottom of a water layer; breeding animals which inhabit on a still water bottom layer in the slit layer; breeding silver carps or bighead carps or breeding the silver carps and the bighead carps in a mixed manner above the slit layer and in the middle of the water layer under the condition that the number of the silver carps or the bighead carps or the sum of the number of the silver carps and the number of the bighead carps is 50-100 per acre; arranging a plant net layer above the water layer; and cultivating aquatic vegetables or aquatic flowers on the plant net layer. By the stereoscopic ecologic breeding method, the breeding space is sufficiently utilized, bred animals can complement one another and can estivate safely, plants are reaped easily, the quality of water in a system is high, the amount of ammonia nitrogen of the water is low, the water is suitable for growth and reproduction of the Chinese soft-shell turtles, the physique of the Chinese soft-shell turtles is improved owing to a good ecological environment, and the morbidity of the Chinese soft-shell turtles is reduced.

The invention discloses a graded sand taking and conveying system used for tailing reuse of a tailing pond. The system consists of a tailing input unit, a tailing grading and sand taking unit, a tail sand conveying unit, and a tail sludge output unit, wherein the tailing input unit consists of a sand pump and an input pipeline; the tailing grading and sand taking unit comprises a spiral grader special for tailing grading and sand taking; the tail sand conveying unit is a belt conveyor; and the tail sludge output unit consists of the sand pump and a tail sludge output pipeline. The distance between spiral leaf boards of the spiral body of the spiral grader is 290 to 320mm; the ratio of the height h of a downflow weir of a groove body to the spiral diameter D of the spiral body is between 1.2 and 1.4; the gradient of the groove body is 19 to 21 degrees; a motor adopts a frequency-variable speed-regulating motor; and the spiral leaf boards of the spiral body are made of manganese steel. The system can realize sand taking, grading and dewatering of the tailing pond; the reliability is high; the system is convenient to operate; product yield is higher; material can be fed continuously;and the requirement on large-scale production can be met.

The invention discloses an environment-friendly multifunctional composite soybean seed coating agent, belongs to the technical field of agriculture, and is used for solving the problem of lack of environment-friendly multifunctional composite soybean seed coating agent products at present. The seed coating agent is composed of 70-83.9% of microorganism compound bacterium agent, 1-10% of metal microelement liquid, 5-15% of film-forming agent, 0.1%-5% of food-grade brilliant blue and 0.1-1% of total alkaloid of sophora flavescens by weight, wherein the microorganism compound bacterium agent is composed of 20% of rhizobium japonicum GIM 1.93 fermentation broth, 10% of bacillus CGMCC 1.7195 fermentation broth, 10-20% of bacillus CGMCC 1.1870 fermentation broth, 10-20% of bacillus mucilaginosus CCTCC 10013 fermentation broth, 10-20% of bacillus subtilis CGMCC 1.2397 fermentation broth and 10-20% of bacillus CGMCC 1.2397 fermentation broth by weight. The seed coating agent is capable of improving the adaptability of crops to biotic and abiotic stress, improving own immunity of crops, enhancing the nitrogen fixing capacity of root nodules of bean or pea family, improving the yield structure of crops, increasing the yield, and the like.

The invention discloses an organic-inorganic instantly dissolved slow controlled release fertilizer. The fertilizer comprises nutrients, organic matters and a mineral sodium base, wherein the nutrients are nitrogen, phosphorus and potassium; the effective contents of nitrogen, phosphorus and potassium are respectively computed according to N, P2O5 and K2O; in the organic-inorganic instantly dissolved slow controlled release fertilizer, the total weight percent of N, P2O5 and K2O is 20-40%, the weight percent of the organic matter materials is 15-40% and the weight percent of the mineral sodium base is 4-15%. The fertilizer has the advantages of strong pertinence, control of dissolution time, prevention of nutrient loss, capability of releasing according to the nutrient requirements of different crops and plants, and the like; meanwhile, the fertilizer can be used for maintaining virtuous cycle of soil nutrients, preventing soil hardening and improving the natural environment and is an ecological fertilizer capable of being applied for a long term.

An environmental protection type bast fibre film which is air permeable and impervious is prepared from bast fibres through opening fibres, removing dust and impurities, carding, stripping for netting, airflow netting, chemical sticking by adhesive to become film, applying the hydrophobic agent onto its surfaces, and cold rolling.

The invention relates to a biogas power generation and complementary energy recovery system. The biogas power generation and complementary energy recovery system comprises a dual-film gas holder (91),a biogas decarbonization device (92), a biogas dehydration device (93), a biogas pressurizing pump (94), a granulating machine (95), a biogas power generator group (96), an exhaust heat boiler (97),a softened water processor (99) and a hot water jar (100), wherein a biogas output opening of the dual-film gas holder (91) communicates with an air inlet of the biogas decarbonization device (92) through an air pump. The biogas power generation and complementary energy recovery system disclosed by the invention has the advantages that heat quantity carried by discharged biogas residues and discharged biogas fluid is effectively utilized, so that energy resource consumption required for maintaining the fermentation temperature is reduced, the normal operating of a biogas project is effectivelymaintained, benign circulation of the biogas power generation and complementary energy recovery system is maintained, and the operating cost of the biogas project is reduced; the granulating efficiency of the granulating machine is high, the granule perfection degree is good, and environmental pollution cannot be generated; and ash cannot enter a transmission shaft of the granulating device, so that the service life is long.

The invention discloses a dissolution process and desulfurization method for producing aluminum oxide by using high sulfur bauxite. The method is characterized in that the sulfur content of a circulating mother liquor is controlled under the suitable conditions, bayer dissolution is performed on the high sulfur bauxite by adopting a 'low temperature and high alkali' process, sulfur in ores transferring into a sodium aluminate solution is reduced while obtaining a relatively high aluminum oxide dissolution rate, a part of sulfur is consumed through self-balancing of a system, and appropriate desulphurization is performed on a decomposition mother liquor or causticized liquid by using barium salt when the sulfur content in the system is accumulated to a certain extent so as to keep the virtuous circulation of the whole production process. The dissolution process and desulfurization method, disclosed by the invention, do not change the existing bayer-method aluminum oxide production process, are low in cost and simple and convenient in operation, and provide a good foundation for the industrialization of the high sulfur bauxite; desulfurization slag can be used as a raw material for preparing a barium salt desulfurizer so as to further reduce the production cost.

The invention relates to a dehydration method of heterogeneous sludge. According to the dehydration method, firstly, mixed sludge is pre-dehydrated by a chamber type filter press and crushed by a crusher, and then crushed sludge filter cakes are put into a steel belt filter press for secondary crushing through a middle hopper bin. The dehydration method disclosed by the invention can effectively solve the problem about intermittent work mode of an existing filter press, changes intermittent work into continuous work by effectively combining the chamber type filter press with the steel belt filter press, and integrates the characteristics that a plate frame type filter press realizes rapid dehydration when treating low-concentration mixed sludge and the steel belt filter press realizes rapid dehydration when treating high-concentration mixed sludge, so that the dehydration time is effectively saved and the production speed is increased; meanwhile, due to the dehydration process, the usage amounts of additives can be saved and the virtuous circle of enterprise production is guaranteed.

The invention discloses a graded sand taking and conveying system used for tailing reuse of a tailing pond. The system consists of a tailing input unit, a tailing grading and sand taking unit, a tail sand conveying unit, and a tail sludge output unit, wherein the tailing input unit consists of a sand pump and an input pipeline; the tailing grading and sand taking unit comprises a spiral grader special for tailing grading and sand taking; the tail sand conveying unit is a belt conveyor; and the tail sludge output unit consists of the sand pump and a tail sludge output pipeline. The distance between spiral leaf boards of the spiral body of the spiral grader is 290 to 320mm; the ratio of the height h of a downflow weir of a groove body to the spiral diameter D of the spiral body is between 1.2 and 1.4; the gradient of the groove body is 19 to 21 degrees; a motor adopts a frequency-variable speed-regulating motor; and the spiral leaf boards of the spiral body are made of manganese steel. The system can realize sand taking, grading and dewatering of the tailing pond; the reliability is high; the system is convenient to operate; product yield is higher; material can be fed continuously;and the requirement on large-scale production can be met.

The invention discloses a water ecology constructing technology under fish preventing environment, which comprises the following steps: 1)constructing a water ecotope, arranging the ecology fences at water bottom according to underwater condition, tightly arranging the ecology fence at a flat place, tightly arranging the ecology fences at the rough place, wherein the gaps are allowed; 2)arranging a layer of fishing net on the ecology fence of the water ecology, covering the gaps at the water ecotope by the fishing net, and fixing the fishing net, wherein the aperture of the fishing net is 10-15mm. The water ecology constructing technology under fish preventing environment comprises a rectangular framework, 4-8 supporting legs are fixed at a same side of the rectangular framework, the fishing nets are provided on the rectangle framework, and the aperture of the fishing net is 10-15mm. The water ecology constructing technology under fish preventing environment can conveniently preventing the destroy of harmful fish to the root of the submerged plants, the growth of the submerged plant is not obstructed, so that the whole water ecology system forms a benign circulation, and ecology environment is improved. The water ecology constructing technology under fish preventing environment has the advantages of simple technology, low cost and obvious effect for improving the water ecology environment.

The invention discloses a beef cattle nutrition regulation method and a beef cattle nutrition regulation product used in the method which can solve the problems of poor fattening performance of beef cattle and milk male calves and low comprehensive index of beef quality. The beneficial effect of the present invention is: the beef cattle nutrition control method provided by the present invention and the beef cattle nutrition control products used, the control technology and products fully combined with the actual situation of beef cattle production in Xinjiang, composed of phytonutrients, ionophores, compound enzymes, compound Composed of vitamins and mineral additives, it is safe to use. Compared with similar technologies and products in China, it has regional advantages and can solve the problems of poor fattening performance and low comprehensive indicators of beef quality of local beef cattle and dairy male calves of the XPCC.

The invention belongs to the technical field of river gushing water diversion, and particularly discloses a river gushing water diversion system and method, and the method comprises the following steps: S1, building the river gushing water diversion system; S2, enabling a detection unit to collect detection data of each river channel in real time; s3, judging whether the detection data of the current riverway is abnormal or not, if yes, entering the step S4, and otherwise, repeating the step S3; and S4, according to the detection data of the current riverway and the detection data of the adjacent riverway, controlling the corresponding riverway gate to be opened and closed, and conducting river gushing water diversion operation. The problems that in the prior art, reasonable river gushingwater diversion is lacked, virtuous cycle cannot be conducted on river gushing, and the standard reaching rate is low are solved.

The invention discloses a dissolution process and desulfurization method for producing aluminum oxide by using high sulfur bauxite. The method is characterized in that the sulfur content of a circulating mother liquor is controlled under the suitable conditions, bayer dissolution is performed on the high sulfur bauxite by adopting a 'low temperature and high alkali' process, sulfur in ores transferring into a sodium aluminate solution is reduced while obtaining a relatively high aluminum oxide dissolution rate, a part of sulfur is consumed through self-balancing of a system, and appropriate desulphurization is performed on a decomposition mother liquor or causticized liquid by using barium salt when the sulfur content in the system is accumulated to a certain extent so as to keep the virtuous circulation of the whole production process. The dissolution process and desulfurization method, disclosed by the invention, do not change the existing bayer-method aluminum oxide production process, are low in cost and simple and convenient in operation, and provide a good foundation for the industrialization of the high sulfur bauxite; desulfurization slag can be used as a raw material for preparing a barium salt desulfurizer so as to further reduce the production cost.

The invention relates to a technology for preparing calcium iodate by taking brine rinsed with crude zinc oxide as a raw material. The technology comprises the following steps: (1) evaporating and concentrating the brine rinsed with crude zinc oxide, and performing centrifugation to obtain iodine-containing brine; (2) adding hydrochloric acid to the iodine-containing brine, then dropwise adding hydrogen peroxide, when the pH value of the system is 1-2 and no iodine is formed, stopping reacting, and performing filtration to obtain iodine precipitate; (3) adding alkali liquor to the iodine precipitate, and when the pH value of the reaction liquid is 8-9, performing stirred dissolution and filtration to obtain an iodine-containing solution; (4) preparing a chlorate solution, then dropwise adding the iodine-containing solution to the chlorate solution, when the pH value of the system is less than or equal to 1, the temperature is 85-90 DEG C and the reaction liquid is colorless, stopping reacting, and performing filtration to obtain a hydrogen iodate solution; and (5) adding calcium salt to react to produce calcium iodate, filtering the calcium iodate, washing filter cakes, and then, drying the washed filter cakes to obtain a finished product. Technological processes realize the closed production of iodine, the technology and equipment are simple, the economic cost is low, and thetechnology is suitable for industrial automatic production.

The invention relates to a novel comprehensive waste heat utilization system of biogas engineering. The biogas engineering comprises a fermentation tank and a biogas residue and liquid tank, and a step waste heat recycling system comprises a hot water tank, a primary heat lifting system and a secondary heat lifting system. According to the novel comprehensive waste heat utilization system of biogas engineering, the heat in the biogas resides and biogas liquids is collected into the hot water tank through the primary heat lifting system, heat in the hot water tank is further heated by using a small amount of electric energy through the second heat lifting system and is subsequently fed into a thermal storage tank, the heat in the thermal storage tank is further heated through a straight combustion type heat pump and is conducted to the fermentation tank, then the temperature necessary for biogas fermentation is maintained, the heat carried in the discharged biogas residue and the biogas liquid is effectively utilized, the energy consumption for maintaining the fermentation temperature is reduced, the normal operation of the biogas engineering is effectively maintained, the positive cycle of the system is maintained, the operation cost of the biogas engineering is reduced, the energy consumption is reduced by 50-90%, the situation that the biogas engineering can make no profit is changed, and great economic benefits are generated.

The invention discloses a granular compound fertilizer prepared by using modified starch as a binder. The compound fertilizer is characterized by comprising the following raw materials in parts by weight: 15-40 parts of nitrogenous fertilizer, 20-40 parts of phosphatic fertilizer, 20-42 parts of potash fertilizer and 0.5-2.0 parts of binder. The raw materials of the binder consist of 35-45 parts by weight of starch, 1-5 parts by weight of phosphate, 0.1-3 parts by weight of oxidant, 0.1-1 part by weight of coupling agent and 40-60 parts by weight of water. The binder contained in the granular compound fertilizer has good adhesion capability, so the granular compound fertilizer disclosed by the invention has the advantage that adhesive capability is good, the rotary drum granulation pelletizing ratio is high and the material returning rate is reduced; the pertinence is strong and the fertilizer efficiency is completely releases, so that the soil is hard to harden and the yield-increasing effect is prominent; and the virtuous circle of the soil nutrient can be maintained, the water and nutrient retention capability of the soil is improved and the resistance of the crops is enhanced.

The invention discloses an ecological pond used for aquaculture. The ecological pond comprises a plurality of filter ponds which are divided by a dam, wherein a water pushing device is arranged on the dam among the filter ponds; and a pond is arranged in one of the plurality of filter ponds. In comparison with a conventional mode, the ecological pond with the structure enables fish cultured in the pond to grow in flowing water with high dissolved oxygen all the time, so that the fish is high in growth speed, high in rate of survival, high in yield per unit and low in feed coefficient; and the ecological pond is liable to prevent and cure diseases, simple for production management, and convenient for capturing the fish. Meanwhile, the filter ponds achieve the effect of purifying water, so that water is recycled, and therefore, effects of saving water sources are achieved. The ecological pond is suitable for multi-variety and multi-specification breeding, so that the fish appears on the market in a balanced mode; the turnover of capitals is accelerated; and the production cost can be reduced by 35%. The greatest advantage of the technology is that 75% of fish metabolite and residual feed can be effectively collected, the virtuous circle of the fish pond is guaranteed, energy conservation and emission reduction are realized, and the environment is protected, thereby realizing low-carbon, high-efficiency and sustainable development of the aquaculture industry.

The present invention relates to the application of azadirachtin in the preparation of seed coatings. The application of azadirachtin in seed coatings for the first time overcomes its photosensitivity weakness and is applied to soil, and its insecticidal effect is not washed by light, evaporation and rain. The influence of azadirachtin can protect the maximum amount of drug on the target body, thereby enhancing the stability of azadirachtin, prolonging the effective period, giving full play to the insecticidal and sterilizing functions of azadirachtin, and controlling various seed pests and diseases. At the same time, for the first time, sulfur powder is used as the active ingredient of the seed coating agent to give full play to its protective bactericidal and insecticidal properties and reduce the cost of the seed coating agent. In particular, it has a high co-toxicity coefficient with azadirachtin, which solves the defects that sulfur is easy to precipitate and agglomerate, and also ensures that azadirachtin has better stability.

The invention relates to a side span cast-in-place section less-excavation structure. The side span cast-in-place section less-excavation structure comprises a box girder, a concrete cushion layer, side slope upper and lower steps, a bridge abutment, a sand cushion layer, a side span bridge abutment and a box girder bottom manhole, wherein the box girder is arranged at the upper portion of the bridge abutment; the concrete cushion layer and the sand cushion layer are sequentially laid on a bottom form of an unexcavated slope at the bottom of the box girder; the box girder bottom manhole is formed in the position, close to the side span bridge abutment, of the bottom of the box girder and located above an excavation channel; one side of the excavation channel is provided with a reserved unexcavated surface; and side slopes are excavated on the two sides of the box girder and provided with the side slope upper and lower steps. The side span cast-in-place section less-excavation structure has the beneficial effects that a side span cast-in-place section is subjected to less-excavation construction so that the construction period can be greatly shortened, and meanwhile, the original appearance of a mountain is protected, and the virtuous circle of the green construction ecological environment and the sustainable development concept of the social environment are guaranteed while resource waste is reduced; and it can be guaranteed that internal inspection of a bridge and support replacement are convenient, and design and maintenance of a manhole channel are more convenient and faster.

The invention discloses a nanometer fluid self-dispersion device, which comprises a shell provided with an inlet and an outlet, and an impeller, a first revolving shaft, a first gear, a second gear, a second revolving shaft, a cutting blade, a sieving chamber and a mixing chamber which are positioned inside the shell. According to the self-dispersion device, agglomerated nanoparticles enter a cutting chamber under the sieving action of a sieve plate, and self-dispersion is performed by using the cutting movement provided by pressure difference, so that nanometer fluid has a self-dispersion function. The invention further discloses a lithium bromide absorption refrigeration circulating system, which comprises a condenser, a generator, an evaporator, an absorber, a heat exchanger, a U-shaped throttling tube, an anti-crystalizing tube, a generator pump, an absorber pump, the self-dispersion device, an evaporator pump, a vacuumizing device, a solution three-way valve, a high-pressure cylinder and a low-pressure cylinder. According to the lithium bromide absorption refrigeration circulating system, the absorber pump or the generator pump is used for driving the self-dispersion device to run, so that the stability and reliability of the lithium bromide absorption refrigeration circulating system are improved.

The invention provides a method for constructing a multi-objective medium- and long-term random dispatching model for ecological power generation of cascade reservoirs and an optimal dispatching method, including the following steps: 1. Analyzing the random inflow runoff of cascade reservoirs, and adopting the ecological water demand level index method Calculate the suitable ecological flow as the ecological flow reference value; 2. Establish a multi-objective medium- and long-term optimal dispatching model for cascade reservoir ecological power generation, which includes the objective function of the closeness degree of power generation of the cascade reservoir, the objective function of the closeness degree of ecological flow rate and constraints; 3. Adopt Reinforcement learning SARSA algorithm solves and learns the model under different random runoff scenarios, and introduces heuristic function and utility trace function to improve the accuracy and solution speed of the algorithm; 4. According to the scheduling rules learned by the algorithm, it is obtained that the ecological Medium- and long-term dispatching scheme of cascade reservoirs with the largest comprehensive closeness of power generation. The invention improves the comprehensive utilization benefit of water resources and improves the scheduling effect.