58results about How to "Achieve water retention" patented technology

The invention discloses a desert control method of a chemical sand-fixing greening technology based on organic composite materials, and the desert control method is characterized in that hydrophilic polyurethane resin curing agent solution is sprayed on a sand or soil layer of greening objects for sowing the vegetation for forming a porous fixed sand layer. The fixed sand layer formed by the method has appropriate thickness and strength, good durability, good anti-freeze and melt properties and functions of water retention, thermal insulation, ventilation, vegetation and the like. According to the method of the invention, the stable and effective solidifying can be carried out on sand even under the specific desert environments of no abundant groundwater sources and strong wind erosion, and the purpose of vegetation greening can be also realized. The method has large-scale construction properties and good economic performances, thereby being applicable to the needs of large-scale chemical sand fixing and vegetation greening of the vast desert and realizing the plant greening function and the ecological restoration and the control of desertified land.

The invention belongs to the field of fertilizers for crops and particularly relates to an ecological functional compound fertilizer and a preparation method thereof. The ecological functional compound fertilizer is prepared from the following main components: sludge, a compound fertilizer, a microbial agent, an organic waste, a soil heating agent and an oxygen supplier. The sludge obtained from the treatment of municipal domestic wastewater and the organic waste serve as organic matters, contain multiple nutrients and can be combined with the compound fertilizer to increase the utilization rate of the compound fertilizer and increase the content of organic matters in soil; the added soil heating agent can preserve the temperature around the roots of crops in deep soil and prevent crops from being frostbitten and frozen to death; the added oxygen supplier can supply oxygen to microorganisms in soil and cells in crop roots to increase the activity of the microorganisms in soil and the crop roots, accelerate the absorption of the ecological compound fertilizer, enhance the adversity, disease and cold resistance of crops, improve the structure and fertility of soil and promote the growth of crops; the pollution of sludge to environment can be reduced, and the sludge can be reutilized; and the ecological compound fertilizer is safe to people, animals and environment and is natural, innoxious and environmentally friendly.

The invention relates to a complete technology for treatment and disposal of sludge. The complete technology comprises the following steps of (1) environment-friendly sludge cleaning: cleaning the sludge by an environment-friendly cutter suction method, and centrally treating the sludge; (2) pretreating of sludge slurry: removing foreign matter in the sludge by gravity precipitation and a grillagemachine, enabling the sludge slurry after removal of the foreign matter to flow into a conditioning tank, and naturally settling the sludge slurry; (3) deep conditioning of the sludge slurry: enabling an agent adding system to add a flocculant into the pretreated sludge, mechanically stirring, fully reacting, and completing flocculation and dewatering of the sludge slurry; pumping the slurry after flocculation into a pipeline stirring machine, and enabling the agent adding system to continuously add a solidifying agent; (4) modifying of the sludge: sending the sludge after deep conditioning into a double-shaft continuous type uniform mixing machine, enabling the agent adding system to continuously and quantitatively add a modifying agent, and adjusting the pH (potential of hydrogen) value, total content of nutrients, and porosity of ventilation; (5) curing. The complete technology has the advantages that the technology is simple, and the cost is low; the sludge can be truly properly treated and resourcefully utilized, and the development concept of circular economy is met.

In order to enhance the water-holding capacity of squid in the storage process, the invention provides a phosphorus-free squid water-retaining agent and application thereof, and belongs to the technical field of aquatic product processing. The specific scheme is as follows: the phosphorus-free squid water-retaining agent includes 1-3 parts of a water-retaining expander, 2-4 parts of a water-retaining synergist and 4-8 parts of a strengthening water-retaining agent. The water-retaining expander is a monosaccharide derivative or/and an oligosaccharide derivative; the water retaining synergist isa neutral salt or/and a salt of weak acid and strong alkali, and the strengthening water-retaining agent is oligosaccharide or/and water-soluble polysaccharide. The application method is as follows:the water-retaining agent is prepared into 1.0%-2.0% of a water solution according to the above proportioning ratio, and a squid raw material is immersed in the water-retaining agent solution. The squid products treated by the application method of the water-retaining agent recorded in the present invention are frozen for 3 months, after being thawed by refrigerated air, the squid products are glossy in the surface, and have no wrinkles, elastic texture, and good taste and no odor after cooking.

The invention discloses a preparation method of a high-efficiency liquid fertilizer. The method comprises the following steps of: mixing 40 percent of amino acid ammonia, zinc sulfate, manganese sulfate, boric acid, molybdenum amino acid, copper sulfate, ferrous sulfate, KOM and water, and putting a mixture into a corrosion-resistant reaction kettle; and stirring and mixing for producing. The defects of the prior art are overcome, the provided liquid fertilizer has high stress tolerance, the soil structure can be improved, the using amount of phosphorus is reduced through root circulation, chemical fertilizer pollution is lowered, and a certain environmental protection function is achieved.

The invention provides a biological organic fertilizer for recycling spent bleaching clay. The raw material formula of the fertilizer comprises the following components: 50-70 parts of spent bleaching clay, 10-15 parts of humic acid, 0.5-2 parts of composite bacteria liquid, 0.5-1 part of a complex enzyme, 5-10 parts of aluminum-magnesium silicate and 0.01-0.1 part of a plant growth regulator, wherein the composite bacteria liquid is formed by mixing culture solutions of pseudomonas, bacillus subtilis, white-rot fungi, bacillus cereus and bacillus thuringiensis according to a volume ratio of 1:(1.3-1.6):(0.5-1.1):(0.3-0.6):(0.2-0.4); the complex enzyme is formed by mixing amylase, lipase and ligninase according to a mass ratio of 1:(1.4-1.6):(0.3-0.8); and the plant growth regulator is a combination of brassinolide and one or more selected from benayl aminopurine, furfurylaminopurine and diethylaminoethyl hexanoate. The biological organic fertilizer disclosed by the invention has the effects of controlling soil pests and degrading pesticides and chemical residues in the soil, has multiple functions of curing and stabilizing heavy metal ions in the soil and the like, and is excellent in comprehensive improvement effect. Moreover, the problem that roots and seedlings are burnt is solved, and the cost is low.

The invention discloses an ecological protective coal mining method by mineralizing and utilizing CO2 waste gas. The ecological protective coal mining method is suitable for underground coal mines. The ecological protective coal mining method comprises the following steps that filling mining critical key parameters required by stability of a stope mining overlying strata seepage isolation zone are determined, sealing walls are constructed at two ends of a mining space along with advancing of a working face to seal a mined area, then a CO2 mineralization filling material CFBF is poured into the sealed area to fill a goaf along with mining, and it is ensured that the goaf is supported after the filling CFBF is solidified; and the CFBF is prepared from gangue, fly ash and mine sewage in a mining area, and is supplemented with cement and an alkaline silicon-based additive, so that formation of a mining overburden seepage isolation zone is ensured, continuous CFBF filling can be carried out, and finally the replacement of CO2 and coal is realized. The operation is simple, the result is reliable, and the recovery rate of coal resources can be greatly improved on the premise of realizing CO2 mineralization and solid waste material treatment.

The invention relates to a chemical fertilizer synergist, and especially relates to a nitrogen fertilizer high-molecular composite synergist and a preparation method thereof. The synergist comprises, by weight: 1-1.5parts of high-water-absorption resin, 6-10 parts of zeolite, and 0.5-0.8 parts of potassium humate. The method comprises the steps that: the high-water-absorption resin, zeolite, and potassium humate are screened; the high-water-absorption resin, zeolite, and potassium humate are bake-dried; the materials are well mixed; and the synergist is mixed with a nitrogen fertilizer with a ratio that the synergist to pure nitrogen fertilizer is 1:1-1.4. The synergist provided by the invention has the advantages that: with the synergist, an absorption effect is provided, nitrogen fertilizer release speed can be regulated, nitrogen fertilizer utilization rate can be improved, soil aggregate structure can be ameliorated, plant water-fertilizer absorption can be promoted, plant growth can be promoted, and the synergist can be repeatedly utilized. With the synergist, nitrogen fertilizer utilization rate of plant can be improved, peasant burden can be reduced, and environment pollution caused by nitrogen fertilizer loss can be reduced. With the synergist, agricultural production improvement, fertilizer saving, and environment protection can be combined.

The invention belongs to the technical field of water-saving irrigation, and particularly relates to a flow divider for water-saving irrigation and an irrigation system thereof. The flow divider comprises an outer shell, an upper sealing plug, a lower sealing plug, a water inlet coil pipe and other structures. Three modes of underground water seepage irrigation, earth surface drip irrigation and jet irrigation are provided, and in addition, the three irrigation modes can be controlled through water pressure; two sealing plugs are arranged in the flow divider, and control of three modes under water pressure and free switching of different irrigation modes are effectively guaranteed through the mutual matching position relation and the vertical moving position of the two sealing plugs; according to the water-saving irrigation system, the structural characteristics of the flow divider are fully utilized, corresponding water outlet branch pipes and irrigation branch pipes can be arranged according to the terrain of a green land park, and coverage and comprehensiveness of a green land in a drip irrigation mode are achieved; in addition, according to the scheme, irrigation in different modes can be achieved according to different requirements, and therefore the requirements for water saving and water retention in the green land park irrigation process are effectively met.

The invention discloses a no-tillage direct seeding method for seeds. The no-tillage direct seeding method comprises the following steps of not performing ploughing, not applying herbicide, not irrigating field soaking water, not performing rotary tillage before planting of next crop, keeping the field surface dry, carrying out harvesting and crushing on the previous crop to obtain the crushed straw of the previous crop, and leaving the stubbles of the previous crop after harvesting; pressing down stubbles of the previous crop, and performing seed sowing of the next crop; and after stubbles ofprevious crop are rebounded, enabling the crushed straw of previous crop to cover on stubble surface of previous crop. The invention also discloses an oilseed rape cultivation method based on a rice-rice-oil triple cropping system; and the soil plough layer structure is changed, a straw layer, a seed fertilizer layer and a soil layer are formed from top to bottom, full-amount returning of crop straw is achieved at a time, the straw is converted into a covering, seeds and chemical fertilizer are covered, the fertilizer utilization efficiency is improved, and optimal coupling of crop straw treatment, mechanical production and crop growth is achieved.

The invention relates to a truss type space embankment and wall structure, comprising a cantilever structure group and a member bar group. Each cantilever structure in the cantilever structure group consists of a guy anchor support column and a multidirectional web, the guy anchor support column is to arrange a guy anchor at the lower part on a supporting stratum or a base, thus forming the bearing of the cantilever structure and the upper part is assembled with the multidirectional web to form a knot structure similar to the function of a truss knot; two ends of each member bar in the member bar group are integrated with the knot by a binding part, therefore, a hinging function is formed and after the mutual combination, the whole structure becomes a truss type space embankment and wall structure. The invention can not only achieve the purpose of safe maintenance, but also protect and improve the environment, enhance landscape effect and be beneficial to ecological development.

The invention discloses a porous environment-friendly material. The specific gravity of the porous environment-friendly material is 0.6-1.1, and the hydroscopicity is below 15%; the porous environment-friendly material is prepared by the following steps: glass powder as well as sludge sand and sediment which are produced by dehydration, desiccation and burning from a sewage treatment plant are mixed according to a proportion of 35-80:1-10 in parts by weight, grinding is carried out, and a primary powder mixture is obtained; the primary powder mixture is screened and treated, and the screened primary powder mixture composed of glass powder as well as sludge sand and sediment is added into a mixing and stirring device; 5-20 parts of clam shells and 1-15 parts of vermiculite powder are added into the mixing and stirring device in the step 4, mixing and stirring are carried out for the clam shells, the vermiculite powder, the glass powder, and the sludge sand and sediment, and mixed power is formed; the mixed power is added into a sintering furnace, and the porous environment-friendly material is manufactured at a high temperature condition. Recycle of waste glass and regeneration of sludge sand and sediment are organically combined with breakthrough, bubbles are enclosed, independent and discontinuous, and the environment-friendly material can be used as building light-weight frame material, construction foundation material, and water quality purifying material.

The invention discloses a special sunshine rose grape organic fertilizer and a preparation method thereof. The organic fertilizer comprises modified starch which is prepared from starch which is subjected to magnetization modification with chitosan and sodium salt. The preparation method of the organic fertilizer comprises the following steps: fermenting plant ash, livestock excrement and grape wine distillers' grains with EM (Effective Microorganism) bacteria, and drying so as to obtain a composted fertilizer; dissolving a nitrogen phosphorus and potassium fertilizer, a growth regulator, bamboo vinegar and trace elements with water, adding the composted fertilizer, kieselguhr, attapulgite, nicotinamide and crotonic anhydride, and pelletizing so as to obtain fertilizer granules; dissolvingstarch with water, heating to implement gelatinization, adding chitosan, sodium metasilicate and sodium pyrophosphate, and carrying out magnetization modification so as to obtain modified starch; spraying the modified starch on the fertilizer granules, and drying, thereby obtaining the special organic fertilizer. The special organic fertilizer disclosed by the invention is comprehensive in nutrition, reasonable in proportioning, good in slow release property, good in permeability, high in stability and large in granule density, and the preparation method is simple in process, good in operability, easy in raw material, low in cost, rapid in granule molding and high in finished product rate.

The present invention discloses a treatment method of fresh duck intestines. The method comprises the following steps: S1: fresh duck intestines are washed clean and the washed duck intestines are drained for standby application; S2, food-grade sodium hydrogen carbonate powder with the weight being 2-8% the total weight of the fresh duck intestines is sprayed on the surfaces of the fresh duck intestines; S3, the fresh duck intestines are put into a rolling and rubbing machine to be rolled and rubbed for 5-20 minutes at a temperature of 5-15 DEG C, the rolled and rubbed duck intestines stand for 10-50 minutes at room temperature, the sodium hydrogen carbonate is permeated into the fresh duck intestines, then the fresh duck intestines are washed clean with clear water, and the washed duck intestines are filtered; and S4, the processed fresh duck intestines in the step S3 is cut, the cut duck intestines are sub-packaged in a plastic bag, compound phosphate solution is poured into the bag, the cut duck intestines are soaked for 10-40 minutes at a normal temperature, and then the soaked duck intestines are washed with clear water, the washed duck intestines are drained, and the drained duck intestines can be eaten instantly; and the compound phosphate solution is at least one of sodium tripolyphosphate solution, sodium hexametaphosphate solution and sodium pyrophosphate solution at a mass percentage of 0.1-0.5%. The prepared fresh duck intestines by the treatment method has the advantages of being relatively low in water loss rate during storage, relatively strong in water-retaining ability after rinsing and boiling, not tough after the duck intestines are put into a pot to be rinsed and boiled, and good and crisp in tastes.

The invention relates to a special bio-organic fertilizer using DDGS as a main material for tobacco fermentation. The special bio-organic fertilizer comprises the following raw materials in parts by weight: 67-81 parts of DDGS, 10-14 parts of rapeseed cake, 10-14 parts of biogas residue, 1.5-2.5 parts of mother liquor, 0.05-0.15 part of nutrient element, 0.06-0.1 part of amino acid, 1.5-2.3 partsof humic acid, 0.01-0.02 part of medium trace element, 0.05-0.2 parts of heat-resistant enzyme, 0.05-0.1 part of thermophilic microbial inoculum, 0.3-0.7 part of ammonium sulfate and 1-2 parts of branpowder. the special bio-organic fertilizer has the beneficial effects that the special bio-organic fertilizer for the fermented tobaccos is high in fertilizer efficiency, long in fertilizer efficiency and comprehensive in fertilizer efficiency; the fertilizer has the high activity and long-term effect of organic fertilizers and biological fertilizers, and also has the fast-acting property of inorganic fertilizers and the special effect of microelement fertilizers and bacterial fertilizers, has complete nutrient elements required by plants, and is scientific in proportion. The beneficial biological strains in the special tobacco fertilizer produced by the invention can accelerate rapid cyclic decomposition of substances, release of various nutrient elements, nitrogen fixation, phosphate solubilization and potassium solubilization, promote photosynthesis of plants, and greatly improve the utilization rate and fertilizer efficiency of the fertilizer.

The invention discloses a microbial remediation method applied to a non-soil dressing mining area, which mainly utilizes the organic combination of various strains such as sulfate reducing bacteria, photosynthetic bacteria, nitrogen-fixing bacteria and the like to construct a healthy underlying microbial ecosystem on the surfaces of bare rocks and sandy soil, and the underlying microbial ecosystem can be self-balanced and self-grown under the illumination condition. By secreting extracellular polymeric substances to be adhered to the surfaces of bare rock and sandy soil to grow, water contained in the air can be efficiently absorbed to be supplied to microorganisms, and various repairing functions such as water retention, ecological environment improvement and plant root system development promotion are achieved. Sulfide generated by remediation is stable, low in solubility and environment-friendly and has a buffering effect, after a bottom layer microbial ecological system is constructed, heavy metal is fixed in the farmland in a sulfide mineral form, crops can efficiently and rapidly grow in the farmland polluted by the heavy metal, and qualified agricultural products are produced. And the used microorganisms are environment-friendly microorganisms, so that the environmental ecology can be fundamentally improved, and the durability is realized.

The invention provides a transmitting arch crown transplanting method for tobacco seedlings. The transmitting arch crown transplanting method comprises the following steps of punching soil to form holes, transplanting the tobacco seedlings into the holes, covering a transmitting arch crown protection cover on each hole, and removing the protection cover in the event that leaves at the top end of the grown tobacco seedling are in contact with the top of the protection cover. During transplanting, fertilization and watering do not need. The cover body of the protection cover is 8-12cm in depth; the diameter of the cover body is 18-20cm; the cover edge is 1-2cm in width. The invention provides a new tobacco seedling transplanting method, which does not use mulching films, so that the environment pollution problem caused by that the mulching films remained in soil are difficult to degrade is solved; the complex operation of mulching film breaking and seedling pulling can be avoided, so that the diseases brought by the operation of the seedling pulling can be reduced. Therefore, the method provides sufficient guarantee for the safety of the tobacco seedlings in cold weathers and other extreme weathers.