108results about How to "Realize rational use" patented technology

The invention discloses a fertilizer special for maintaining lawns and a preparation method thereof. The method comprises the following steps: weighing, mixing and stirring citric acid, zinc sulphatepowder, copper sulphate powder, manganese sulphate powder, ferrous sulphate powder, borax powder, ammonium molybdate and water at a temperature of 80-90 DEG C for 40-60 minutes to prepare trace element chelate fertilizer liquid; weighing, mixing and stirring polyvinyl alcohol, cornstarch and dicyandiamide powder at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare bonding liquid;uniformly mixing the trace element chelate fertilizer liquid and the bonding liquid according to a mass ratio of 1:4 for spare; weighing, drying, crushing and screening pyrobituminous shale residue, furfural residue, calcium carbonate, magnesium sulphate, urea, diammonium phosphate and potassium sulphate by a screen of 100-120 meshes; uniformly mixing; adding the mixture to a pelletizer; and spraying the mixed liquid to granulate so as to obtain the fertilizer special for maintaining lawns. The invention has the advantages of enough nutrients, good slow release, and the like, prolongs the nutrient-supplying time and protects the biological environment.

The invention discloses a method of preparing a dried egg white, which is characterized in that, separating the egg white and the egg yolk with an egg separator, keeping the egg white separately in a processing vessel for use; dissolving 0.5 to 2 portions of agar powder, 0.1 to 0.5 portion of carrageenan and 0.1 to 0.5 portion of guar gum in 10 to 20 portions of distilled water by weight and stirring uniformly, and then pouring the mixture into 80 to 100 portions of egg white liquid which is already stirred uniformly, and stirring uniformly in a water bath at 70 to 80 DEG C; pouring the well-combined feed liquid into a non-stick mold, and boiling the feed liquid with vapor; preparing bittern according to the prescription, and heating to 80 to 90 DGR C, and then taking out the boiled cooked materials from the mold and putting into the bittern, marinating for 1 to 2 hours at 80 to 90 DGR C; taking out the marinated egg white, drying for 20 to 60 minutes at 55 to 65 DGR C; taking out the dried egg white, cutting into small pieces with different shapes and different sizes according to requirements, and bagging vacuum; giving the packed products a sterilization processing at a high temperature of 100 to 121 DGR C in a counter pressure for 10 to 60 minutes; cooling the sterilized products piecewise, wiping off the water on the surface of the packages, air drying further, labeling and printing code, boxing up, to be products.

The invention discloses artificial soil and a preparation method thereof. The method comprises the following steps: respectively weighing citric acid, copper sulfate powder, zinc sulfate powder, ferrous sulfate powder, manganese sulfate powder, ammonium molybdate powder and water according to weight ratio; mixing above materials, and stirring with the rotation speed of 100 turns / min for 30-40min under the reaction temperature of 80-90 DEG C to obtain trace element chelating solution for later use; respectively weighing oil shale waste, furfural dreg, crop straw, calcium carbonate, magnesium sulfate, urine, phosphate fertilizer, potash fertilizer and borax according to weight ratio; drying above raw materials and crashing, sieving by a sieve with 60-80 meshes, crushing crop straw into 1-3cm, pouring above raw materials into a stirrer, stirring while spraying trace element chelating solution accounting for 6-8% of the quality of the raw materials, evenly stirring to obtain the artificial soil. The invention has the advantages of low cost, good physical and chemical property and the like, and is applicable to plant growth.

The invention relates to a novel laminated wood. The novel laminated wood comprises a fir core veneer layer positioned at a central position, two cotton wood veneer layers which are respectively adhered on both upper and lower surfaces of the fir core veneer layer and two laminated wood layers which are adhered on the other surface of the two cotton wood veneer layers respectively, wherein the directions of wood grains of every two adjacent two veneer layers are vertical to each other. The invention also relates to a method for preparing the laminated wood. The method comprises the steps of producing the laminated wood layers, producing the cotton wood veneer layers, producing the fir core veneer layer, sizing, laminating, molding and the like. The novel laminated wood has the advantages of good stability, low cost and environment protection and can be widely used for preparing indoor decoration, such as furnitures, floors, door panels, ceilings and the like.

The invention discloses a fertilizer special for soybeans and a preparation method thereof. The method comprises the following steps: weighing, mixing and stirring citric acid, zinc sulphate powder, manganese sulphate powder, borax powder, ammonium molybdate powder and water at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare trace element chelate fertilizer liquid for spare; respectively weighing and stirring polyvinyl alcohol, cornstarch, dicyandiamide powder and water at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare bonding liquid for spare; uniformlymixing the trace element chelate fertilizer liquid and the bonding liquid according to a mass ratio of 1:4 for spare; respectively weighing, drying, crushing and screening pyrobituminous shale residue, calcium carbonate, magnesium sulphate, urea, diammonium phosphate and potassium sulphate by a screen of 100-120 meshes; uniformly mixing; adding the mixture to a pelletizer; and spraying the mixed liquid to granulate so as to obtain a the fertilizer special for soybeans. The invention has the advantages of comprehensive nutrients, good slow release, and the like, fully satisfies the growth needsof soybean and improves the yield and the quality of the soybean.

The invention discloses moisture-holding nutritive soil and a preparation method thereof. The method comprises the following steps: weighing citric acid, alpha-naphthaleneacetic acid, corn starch, copper sulfate powder, zinc sulfate powder, borax powder, ferrous sulphate powder and water according to a mass ratio respectively; mixing the raw materials; stirring the mixed raw materials for 30 to 40 minutes at a rotation speed of 100r / min and at a reaction temperature of 80 to 90 DEG C and obtaining micro element chelating liquid for later use; and weighing oil shale dust, furfural slag, calcium carbonate, magnesium sulfate, urea, diammonium hydrogen phosphate, potassium sulphate and acrylic resin water absorbent respectively according to a mass ratio, drying and crushing the raw materials, passing the crushed materials through 100 to 120-mesh sieve, feeding the obtained materials in a stirrer, spraying the micro element chelating liquid in an amount which is 10 to 15 percent based on the mass of the raw materials into the raw materials with stirring, uniformly stirring and obtaining the moisture-holding nutritive soil. The moisture-holding nutritive soil has the advantages that: the nutrients are sufficient; the process is simple; the raw materials are readily available; the micro elements can be absorbed and used by the plants conveniently; water supply capacity and time are improved and prolonged; and the like.

The invention relates to a method for processing high-tin anode slurry, which solves the problems of low recovery rate of tin and complex flow in prior art. The method comprises the following steps: roasting a mixture of the high-tin anode slurry and alkali to obtain a roasting material; cooling the roasting material, immersing by water and filtering to obtain a sodium stannate-containing alkali filtrate and water-extracted dreg; adding the water-extracted dreg in an acid solution, performing acid leaching to obtain a tin-containing acid solution and precious metal concentrate slag; mixing the sodium stannate-containing alkali filtrate and the tin-containing acid solution and then depositing to obtain the tin-containing sediment and a supernatant; and introducing the supernatant in a subsequent flow for recovering bismuth and lead. The technical scheme can better solve the problems, and the method can be used for industrial production for treating high-tin anode slurry.

The invention discloses an automatic coating device. The automatic coating device comprises a vertical plate, a transverse plate arranged at the lower portion of the vertical plate, a material distribution box arranged on the left side of the upper portion of the transverse plate, a coating box arranged on the right side of the upper portion of the transverse plate, a coating recycling box arranged in the transverse plate, a moving box arranged on the right side of the vertical plate, a moving mechanism arranged in the moving box, a coating mechanism arranged in the coating box, and a cutting-off mechanism arranged on the material distribution box. The automatic coating device is characterized in that the moving mechanism comprises a first motor, a first screw rod arranged at the upper portion of the first motor, a first nut arranged at the outer portion of the first screw rod in a sleeving manner, and a lifting part arranged on the right side of the first nut, wherein the first nut can move vertically on the first screw rod.

The invention provides a garbage digestion treatment equipment system, and belongs to the technical field of environmental protection equipment. The garbage digestion treatment equipment system solvesthe problem that an existing garbage recycling barrel cannot treat garbage timely. The garbage digestion treatment equipment system comprises a treatment tower, a sorting platform, a grinding miller,a material storage barrel, a grinding motor, a water tank, a digestion tower, a gadfly bed, a lifting mechanism and a vacuum pump. The vacuum pump, the material storage barrel and the grinding millerare arranged on the treatment tower, the gadfly bed is movably arranged on the digestion tower, black water gadflies are cultivated on the gadfly bed, and after the grinding miller smashes the garbage, the smashed garbage falls into the material storage barrel; and at the moment, the vacuum pump absorbs the garbage in the material storage barrel to the gadfly bed and the garbage serves as feed ofthe black water gadflies, the black water gadflies can convert the garbage into high-protein biological feed, and thus the garbage can be disposed of.

The invention relates to a deodorization and purification treatment system of biological sludge pyrolysis synthesis gas. The system comprises a cyclone plate water spraying tower module, a spraying reaction acid removal tower module, a solar energy-rotary wheel dehumidification module, a sludge base activated carbon absorption module and a pulse bag type dust remover module in sequential connection, wherein the cyclone plate water spraying tower module comprises a pyrolysis tail gas inlet, a cyclone plate, a filling material layer, a circulation water pump, a water supplementing opening, a first sedimentation pool, a clean water spray head, a first screen defogging device and a sludge outlet; the spraying reaction acid removal tower module comprises a cyclone device, an atomization device, a two-stage filling material layer, a metering circulation pump, a second sedimentation pool, a liquid supplementing pipe and a second screen defogging device; the sludge base activated carbon absorption module consists of a solar heat collector, an electric heater, a sludge base activated carbon rotary wheel, a photocatalysis waste gas treatment device and the like. The deodorization and purification treatment system has the advantages that the structure is reasonable; fetor gas in the pyrolysis tail gas can be controlled in a national standard range; in addition, the pyrolysis synthesis gas is purified; the synthesis gas fuel gas quality is improved.

The invention relates to a composite, and provides a waste paper / high-density polyethylene luminescent composite and a preparation method thereof. A long-persistence luminescent material subjected to organic modification is adopted as luminescent pigment, the long-persistence luminescent material, pretreated waste paper fiber powder, high-density polyethylene, a coupling agent, a processing agent and the like are subjected to blending extrusion, and the luminescent wood-plastic composite is obtained. According to the waste paper / high-density polyethylene luminescent composite and the preparation method thereof, the comprehensive utilization level of waste resources is greatly improved, and environmental pollution caused by treatment of waste resources is greatly reduced; compared with a traditional board and a traditional wood-plastic composite, the luminescent composite is easy to process, low in cost, wide in raw material source, environmentally friendly, free of pollution and the like; besides, by adding the luminescent material, the advantages of practicability, attractiveness, safety and the like of the luminescent composite are improved, and based on an existing wood-plastic board production process, the luminescent composite is a wood-plastic board very suitable for large-scale production.

The invention relates to the technical field of mulberry branch feed, and particularly discloses mulberry branch microorganism feed and a preparation method thereof. The mulberry branch microorganismfeed is characterized by being made from the following raw materials in parts by weight: 30 to 80 parts of mulberry branches, 20 to 30 parts of mulberry leaves, 20 to 60 parts of waste silkworm chrysalis, 15 to 50 parts of dry cassava residue, 25 to 60 parts of peanut root powder, 20 to 50 parts of water hyacinth, 25 to 80 parts of soybean straw powder, 20 to 40 parts of bean dregs, 20 to 40 partsof Chinese herb residues, 0.1 to 1 part of vitamin C, 0.1 to 1 part of an inoculant, and 0.1 to 1 part of microelement. The mulberry branch microorganism feed has the characteristics that the feed iscomprehensive in nutrition, all the component raw materials can be sufficiently utilized, immunity can be improved, and healthy growth can be promoted, and the feed is applicable to feeding of livestock and poultry.

The invention discloses a method for preparing carboxymethyl cellulose by waste paper serving as a raw material. The method includes the steps: drying waste paper pulp, cutting the dried waste paper pulp into pieces, adding sodium hydroxide solution, reacting mixture at the temperature ranging from 40 DEG C to 100 DEG C, filtering and washing the mixture to reach neutrality, and drying the mixtureto obtain refined cellulose; immerging the refined cellulose into ethanol water containing sodium hydroxide, performing quaternization at the temperature ranging from 25 DEG C to 45 DEG C to obtain alkaline cellulose; continuing to add ethanol water containing chloroacetic acid, heating mixture to reach the temperature ranging from 60 DEG C to 70 DEG C, adding ethanol water containing sodium hydroxide to serve as alkaline catalyst solution, and performing etherification reaction at the temperature ranging from 60 DEG C to 80 DEG C; adjusting pH (potential of hydrogen) to reach neutrality, filtering mixture in an extracting manner, washing and precipitating the mixture by the aid of ethyl alcohol, and drying the mixture to obtain the waste paper carboxymethyl cellulose. According to method, high-additional-value utilization of waste paper resources is achieved, product cost is reduced, environments are protected, and the method is low in cost, simple in operation process, high in product substitution and green and environmentally friendly in process.

The invention discloses a sand-fixing agent and a preparation method thereof. The preparation method comprises the steps: weighing PVA (polyvinyl alcohol), PASP (sodium of polyaspartic acid), corn starch, dicyandiamide powder and water, mixing, allowing reaction at 80-90 DEG C, and stirring for 20-30 min to obtain multifunctional chelate; weighing low-grade oil shale, oil shale residue, and furfural residue, drying the low-grade oil shale and the furfural residue, crushing, screening with a 3 mm screen, drying the oil shale residue, crushing, screening with a 6 mm screen, adding the above screened materials into a stirrer, spraying the multifunctional chelate accounting for 5-10% of the materials during stirring, and mixing well to obtain the sand-fixing agent. The sand-fixing agent and the preparation method thereof have the advantages that, for instance, the method is simple, the materials are easy to obtain, the cost is low, water and fertilizer can be maintained, rich nutrition isprovided, physical and chemical properties of aeolian sandy soil can be effectively improved during sand fixing, fertility level of the aeolian sandy soil can be increased, the usage of low-grade oilshale and residue soil is reduced and the ecological environment is protected.

The invention discloses an enhanced ecological foam light soil material and a preparation method thereof, and the enhanced ecological foam light soil material is composed of the following components by the mass percentage: 2%-3.5% of foam, 70%-85% of sludge slurry, 10%-20% of an environment-friendly composite curing agent, 5%-20% of an environment-friendly admixture, and 0.2%-0.6% of an early strength agent. According to the embodiment of the invention, reasonable utilization of sludge resources is realized, the problem of utilization and regeneration of solid waste resources is solved, the environment-friendly light soil is very high in environmental protection property, can be suitable for roadbed filling under different working conditions as filling soil, and has the advantages of low cost and rapidness, simplicity and convenience in construction.

The invention discloses an energy-saving and environment-friendly dry papermaking method capable of realizing waste utilization. The method comprises the following steps: carrying out coarse grinding on straw, and then mixing the ground straw with complex enzyme in a stirring way under the condition of heating, so as to obtain coarse straw powder; adding the obtained coarse straw powder into a ball mill, grinding into fine straw powder, adding carboxylic butadiene-styrene latex into the fine straw powder, and fully stirring and mixing at high temperature to obtain straw fibers; mixing the straw fibers, bamboo fibers and paper-making filler, and combing and overlapping by using a carding machine after the materials are evenly mixed, so as to form a thin fiber layer; preparing an adhesive having required viscosity by adding water, dipping the thin fiber layer into the prepared adhesive, then extruding by using a rubber roll for outputting, and drying to obtain products. The energy-saving and environment-friendly dry papermaking method capable of realizing waste utilization comprises the related processes of grinding, mixing, dipping and hot-pressing, and the raw materials used by the method are safe and environmentally-friendly; the method has the advantages of simple operation, no environmental pollution in the production process, short production cycle and high production efficiency, and capabilities of utilizing the waste, and effectively reducing the production cost, thus being worth popularizing.

The invention discloses a method for preparing a scaling inhibitor. The scaling inhibitor is synthesized by the steps: (1) reacting glyoxylic acid and multi-amino compounds at the temperature of 50-70 DEG C for 2-4h, controlling pH (potential of hydrogen) to range from 8 to 10, and synthesizing an intermediate A; (2) reacting the intermediate A and glyoxal solution at the temperature of 30-50 DEG C for 0.5-2h to synthesize an intermediate B; and (3) reacting the intermediate B and hydrolyzed protein at the temperature of 50-70 DEG C for 2-4h, and controlling the pH to range from 8 to 9 to obtain a target product by means of drying. Application results indicate that the scaling inhibitor has fine scaling inhibition performance for calcium carbonate, calcium phosphate, barium sulfate and the like and can be applied to circulation cooling water and oil recovery flooding water with different concentration multiples, consumption of the scaling inhibitor is less, effects are fine, and benefits are high. Besides, the method extends the field of resource utilization of protein waste, and meets the requirement on sustainable development.

The invention belongs to the technical field of landscape display and discloses an intelligent landscape system and a working method thereof. The system includes a human body information acquisition unit, a human body feature detection unit, a trend calculation unit, a controller and a plurality of light-emitting assemblies. The working method includes steps that whether a human body exists in thesensing area is detected in real time, if yes, face image acquisition is triggered; face images in a display area are collected, and the current feature detection result is outputted; landscape shapes and patterns corresponding to the current feature detection result are matched; the position, the color and brightness of the light-emitting assemblies to be activated are obtained, and then, the corresponding light-emitting assemblies are activated, and the color and the brightness of the activated light-emitting assemblies are adjusted. The system is advantaged in that the landscapes with corresponding shapes and patterns are shown according to the gender and age of viewers, the rational use of resources is realized, practicality is quite high, user experience is improved, and the system is suitable for popularization.

The invention discloses a preparation method of sludge biomass fuel, and belongs to the field of fuel preparation. The biomass fuel disclosed by the invention is prepared by the following steps: putting sludge into a treating pond, adding a sodium carbonate solution to mix, planting elodea nuttallii, and removing the elodea nuttallii when measuring that the sulphur content is in the required range; carrying out aeration on the sludge, standing, taking out for airing, and mixing with wheat straws, sawdust and rice bran according to the ratio; repeatedly spraying a nutrient solution, and then hermetically introducing oxygen for fermentation; stopping fermentation and sealing when measuring that the nitrogen content is within the required range, and planting amaranthus paniculatus, vicia villosa and ciliate desert-grass; and removing plants when heavy metal content in the fermented product is within the required range, taking out and drying the plants, and extruding the plants into blocks. The preparation method has the beneficial effects that the sludge is fully utilized to prepare the biomass fuel; the problems of secondary pollution of the sludge on the environment, occupation of much land and the like are solved; and sustainable and reasonable utilization of resources can be achieved; and the fuel is safe to use, environment-friendly, high in combustion heat value and low in consumption.

The invention belongs to the technical field of preparation of activated carbon by utilizing waste biomass, and particularly relates to a preparation method of fast-growing eucalyptus bark activated carbon. The preparation method comprises the following steps: (1) washing eucalyptus bark, airing, crushing, drying, and sealing for storing; (2) dipping the eucalyptus bark treated by the step (1), cleaning and drying to obtain a pretreated sample; and (3) carrying out pyrolysis carbonization on the pretreated sample obtained in the step (2), taking out, cooling to room temperature, washing, drying and grinding to obtain the fast-growing eucalyptus bark activated carbon. The activated carbon prepared by the preparation method disclosed by the invention has a relatively rich mesoporous structure and a surface functional group, the adsorption capacity is comparable with that of activated carbon prepared by other methods, and the preparation method disclosed by the invention is simple and convenient to operate and has relatively good industrial application value.

The invention discloses special fertilizer for apples and a preparation method thereof. The preparation method comprises the following steps: weighing ethylenediamine tetraacetic acid (EDTA), zinc sulfate powder, ferrous sulfate powder, borax powder, ammonium molybdate and water and mixing; stirring for 20 to 30min at the temperature of 80 to 100 DEG C, so as to prepare a microelement chelating fertilizer solution; weighing polyvinyl alcohol, polyaspartic acid, corn starch, dicyandiamide and water and mixing; stirring for 20 to 30min at the temperature of 90 to 100 DEG C, so as to prepare a bonding solution; uniformly mixing the obtained microelement chelating fertilizer solution and the bonding solution according to the mass ratio of 1 to 4 for later use; weighing low-grade oil shale, furfural dreg, gypsum, magnesium sulfate, urea, diammonium phosphate and potassium sulfate respectively; after drying, crushing and sieving, uniformly mixing and adding into a granulation machine; spraying a mixed solution and granulating to prepare the special fertilizer for the apples. The special fertilizer for the apples has the advantages of comprehensive nutrients, capabilities of sufficientlymeeting the requirements of the growth of the apples and improving the yield and quality of the apples, good slow release performance and the like.

The invention provides a method and a device for preparing acrylonitrile by recycling HPPO process waste gas. The device comprises a deoxidation tower, a condensation tank, an acrylonitrile reaction tower, an ammonia neutralization tower and an absorption tower which are connected in sequence. The waste gas generated in the HPPO process is first introduced into the condensation tank to recover high-boiling point organic pollutants in the waste gas, the waste gas containing propylene, oxygen and nitrogen and supplemented ammonia gas are introduced into the acrylonitrile reactor, the propylene,oxygen and ammonia gas undergo an ammoxidation reaction under the action of a catalyst to generate acrylonitrile and consume the propylene and oxygen in the waste gas, the obtained reaction product isseparated, and then the separated nitrogen returns to the HPPO process section for recycling. The method and the device have the advantages of effective reduction of VOC emissions, realization of rational utilization of the propylene resource, production of acrylonitrile with high added values, recycling of the nitrogen, and improvement of the economical property of the HPPO process.

The invention belongs to the technical field of sanitary appliance products, and particularly relates to a water-free and stink insulation toilet bowl and a moving type water-free lavatory. The water-free and stink insulation toilet bowl comprises a toilet bowl main body, a toilet bowl panel and a stink insulation device. A toilet groove is formed in the toilet bowl main body. The toilet bowl panel is arranged on the toilet bowl main body in sealing and covering modes. The stink insulation device comprises a toilet groove partitioning plate and a moving driving assembly. The toilet groove partitioning plate seals and covers the toilet groove, and the circumferential edges of the toilet groove partitioning plate abut against the inner wall of the toilet bowl main body. The moving driving assembly drives the toilet groove partitioning plate to extend and retract to open or close the toilet groove. The toilet groove partitioning plate is arranged, a barrier used for insulating stink is additionally arranged on the basis of the toilet bowl panel. The toilet groove partitioning plate is arranged on the toilet groove in sealing and covering modes, and therefore the stink is isolated in the toilet groove by the toilet groove partitioning plate, and the stink insulation performance of the toilet bowl is improved. In addition, the toilet groove partitioning plate is additionally arranged, the probability that the stink is in contact with the toilet bowl panel and stink dirt congeals on the toilet bowl panel is lowered. Cleanliness of the toilet bowl panel is effectively guaranteed,and the stink is prevented from polluting the toilet bowl panel and influencing normal use of the toilet bowl.

The invention discloses a method for measuring collision resistance of a honeycomb material at different impact speeds. The method comprises the steps that impact loads at different impact speeds areapplied to the honeycomb material; an impact-displacement curve is obtained and processed, a corresponding stress-strain curve and an energy absorption efficiency-strain curve are obtained, the optimal strain epsilonM of the honeycomb material at different impact speeds is obtained according to the stress-strain curve and the energy absorption efficiency-strain curve, and d the collision resistance of the honeycomb material at different impact speeds is determined. A user can conveniently select the honeycomb material with the required collision resistance, reasonable application of the honeycomb material is achieved, energy loss is reduced, and the honeycomb material is environmentally friendly.

The invention discloses a notopterygium planting method, and belongs to the technical field of Chinese medicinal material planting. The notopterygium planting method comprises the three steps of (1) land selection and preparation, (2) notopterygium cultivation and (3) field management, and the cultivation of notopterygiumt is realized. The notopterygium planting method divides a notopterygium planting area into a regulation and control area and a non-regulation and control area, the non-regulation and control area provides a suitable source of fertilizer for the regulation and control area, and the rational utilization of resources is realized. The selection of notopterygium seeds with the maturity of 74%-82% facilitates the germination of the notopterygium to increase the germination rate, and the emergence rate of the notopterygium seeds is promoted to be effectively improved. The notopterygium planting method is used, the yield per mu of the notopterygium is 478-494 kg and 59.3-64.7% higher than the yield per mu of conventional planting, the germination rate is 82.5-86.8%, the emergence rate is 87.9-94.6%, and good adaptability and yielding ability are shown.

The invention relates to a device capable of directly decomposing kitchen waste into agricultural and forestry crop fertilizer and achieving water-saving irrigation. The device comprises a container body, wherein the lower half portion of the container body is buried in soil; an anaerobic reaction chamber is vertically arranged on the inner side of the container body; the upper end of the anaerobic reaction chamber is lower than the upper end of the container body; a sealing cover is arranged at the top of the anaerobic reaction chamber; a water seal interlayer used for water injection is formed between the inner side of the container body and the outer side of the anaerobic reaction chamber; a plurality of flow valves are arranged on the lower half portion of the container body; and transparent observation windows are arranged on the side wall of the container body and the side wall of the anaerobic reaction chamber. According to the device, the kitchen waste is used for fertilizing plants while the fertilizing and irrigating efficiency is guaranteed, reasonable utilization of resources is achieved, the anaerobic environment in the device is guaranteed through a water seal feedingport, fertilizing and irrigating can be connected in parallel and work independently, an irrigating area is buried underground, a discharging port directly aims at the plants to act, and the fertilizing and irrigating efficiency is improved.

The invention relates to a natural plant adhesive for ecological restoration of a tailing area and a preparation method thereof. The adhesive comprises the following raw materials in parts by weight:30-35 parts of corn starch, 10-13 parts of glutinous rice flour, 20-23 parts of peat, 10-15 parts of beer grains, 6-8 parts of humic acid, and 4-5 parts of rice hull carbon. According to the natural plant adhesive for ecological restoration of the tailing area and the preparation method thereof, the salinization of the tailings are neutralized by utilizing the characteristics of meta-acid of the raw material to create conditions for plant growth; the natural plant adhesive is a natural plant product and can be decomposed, so that the technical problem that a plant cannot grow due to nutritional deficiency in the tailing area is changed; the recycling utilization and reasonable utilization of tailings are realized, reasonable collection is made for heavy metals due to the enrichment effectof plants, a series of pollution of tailings caused by heavy metals are eliminated so as to solve the problem of tailing pollution, and the ecological environment of the mine area can also be improvedand restored.