33results about How to "Play a role in sand fixation" patented technology

The invention relates to the fields of sand-fixing agent preparation and environment protection. According to the invention, with vinylacetate (VAC) as a main monomer, methyl methacylate (MMA) as a hard monomer, butyl acrylate (BA) as a soft monomer, ammonium persulfate (APS) as an initiating agent, lauryl sodium sulfate and tween-60 as a complex emulsifying agent and water as a dispersion medium, a macromolecular environmentally-friendly sand-fixing dust suppressant, particularly a VAC / MMA / BA terpolymerization sand-fixing dust suppressant which is used for fixing sand, is prepared by emulsion polymerization without the use of any organic solvent.

The invention relates to a sand-stabilizing planting method, in particular to a sand-stabilizing planting method for sand stabilization and greening transformation of deserts. The sand-stabilizing planting method includes: sand-stabilizing plants are planted in sand-stabilizing containers, the sand-stabilizing containers are embedded in sand to form gridded plant belts, pores allowing for passage of no water molecules but gas molecules are formed among waterproof breathable particles of the sand-stabilizing containers so that water retention is achieved to promote plant growth; and further, required plants can be planted in the gridded plant belts. The sand-stabilizing planting method has the advantages that sand stabilization and loss prevention are achieved, the sand-stabilizing plants and the plants are planted in the sand-stabilizing containers so that irrigating water loss can be reduced, thermal insulation, ventilation and water storage, and plant roots can be protected so as to increase plant survival rate.

The invention relates to a sand-fixing agent preparation method field and the environmental protection field, which essentially adopts seed emulsion polymerization technology to synthesize the butyl acrylate-modified polyvinyl acetate emulsion sand-fixing agent and is used for fixing the sand.

The invention discloses a desert oligotrophic bacterium DOB150 and application thereof to sand stabilization. Through isolation, screening, selective breeding and acclimatization in Gurbantunggut Desert of Junggar Basin of Xinjiang, the oligotrophic bacterium Bacillus sp. DOB150 CGMCC NO.11925 is obtained as a novel bacterium. The desert oligotrophic bacterium DOB150 and application thereof to sand stabilization have the advantages that after being sprayed into the desert, a bacterium agent prepared from the isolated oligotrophic bacterium DOB150 can play a role in sand stabilization, sand grain adhesion and quicksand activation control and provides good moisture conditions for germination of some plant seeds slow in germination to enable plants incapable of germinating due to insufficient moisture of soil to grow and develop, the number of major microorganisms in the soil can be increased effectively, major nutrient content of the soil can be increased, partial soil enzyme activity can be enhanced, algal crust can be recovered obviously, and accordingly the desert oligotrophic bacterium DOB150 is widely applicable.

The invention discloses a starch-grafted waterborne polyurethane sand fixing agent and a preparation method thereof. The sand fixing agent is a starch-grafted waterborne polyurethane dispersion liquid of which the viscosity is 20-500 mPa.s at the temperature of 25 DEG C, the solid content is 30-45 percent by weight, the pH value is 6-8, and the storage stability is higher than six months; and the Shore hardness of a filmed dispersion liquid is 35-45. The sand fixing agent is obtained by undergoing a polymerization reaction on polyether polyol, diisocyanate, dimethylolpropionic acid, a neutralizing agent, starch, a latent solvent and a catalyst for forming a performed polymer and adding into deionized water for emulsifying. The starch-grafted waterborne polyurethane sand fixing agent has the advantages of degradability, nontoxicity, non-flammability, use safety, environmental friendliness, high nutrition and the like, and can be widely applied in the fields of agriculture and forestry as an environmentally-friendly nutritional sand fixing agent.

The invention discloses a waterborne polyurethane sand-fixing agent and a preparation method thereof; the sand-fixing agent is inner crosslinking type waterborne polyurethane dispersion agent which contains neutralizer of kali salt of phosphoric acid and ammonium salt, wherein the solid content of the neutralizer is 30-45%, and the pH value of the neutralizer is 6-8. The preparation method comprises the following steps of: forming a prepolymer through the polymerization reaction of polyether polyol, diisocyanate, dihydromethyl propionic acid, the neutralizer, an inner crosslinking agent, a cosolvent and a catalytic agent, and then adding deionized water to the prepolymer for emulsification to obtain the sand-fixing agent. The waterborne polyurethane sand-fixing agent has the advantages ofwide suitable temperature range, non-toxicity, non-combustion, safety in use, free of environmental pollution and richness in nutrition and the like. As the environmental-friendly nutritional type sand-fixing agent, the waterborne polyurethane sand-fixing agent can be applied to the field of agriculture and forestry.

The invention relates to a water-retaining agent and a preparation method, specifically to a water-retaining agent containing aloe gel and a preparation method thereof. The water-retaining agent is prepared from the following raw materials (by weight): 3-10 parts of aloe gel, 10-20 parts of humus, 50-70 parts of plant fiber, 10-20 parts of starch, 2-3 parts of ferric sulfate, 25-35 parts of acrylic acid, 7-15 parts of acrylamide, and 80-120 parts of 27-37% aqueous alkali. The water-retaining agent provided by the invention is environment-friendly, has advantages of simple process and strong water retaining capacity, and can provide nutrients essential for growth of plants, and has effects of fixing sand and preserving water and improving soil.

The invention discloses a bionic desert passing stick which consists of a stick body, a stick support and a stick tip, wherein the stick body is in threaded connection in an upper pallet above the stick support; the stick tip is of conical shape and in threaded connection in a lower pallet below the stick support; the stick support consists of an upper pallet, multiple upper bracket rods, multiple lower bracket rods, a return spring, a lower pallet and two flexible skins; the return spring is fixed between the upper pallet and the lower pallet; the upper ends of the multiple upper bracket rods are hinged on the outer edge of the upper pallet; the lower ends of the lower bracket rods with the same number as the upper bracket rods are hinged on the outer edge of the lower pallet; the upper ends of the lower bracket rods are hinged on the lower sections of corresponding upper bracket rods; and the periphery of the multiple upper bracket rods and the periphery of the multiple lower bracket rods are covered with a flexible skin respectively. The bionic desert passing stick disclosed by the invention is used in desert, prevents unfavorable phenomena such as sinking, sliding and the like, and has relatively good desert passing performance.

The present invention relates to a method for controlling desert and sand by planting jerusalem artichoke, and said method includes two portions of selecting seed and sowing, in which the tuber with peel can be selected, and its sowing, includes the following steps: soaking the selected tuber in pesticide solution, stirrinbg solid water and sand in pit, sowing and filtering sand. It can greatly increase humic matter in the desert, and can change the desert into fat soil.

The invention relates to a novel governance method for blocking sands with grids for a seaward channel which belongs to the field of water transportation science and technology. The method is simple and easy in process, reduces the cost of implementation project, can effectively reduce channel deposition, and is not affect the flood discharging capability of river channels. The grids parallel to a jetty are distributed on the inner side of the jetty, and a plurality of grids perpendicular to the jetty are distributed at the position for installing a groyne. The grids play a role of blocking and stabilizing sands and also play a role of clearing sands with converging flow, and the channel deposition reduction effect is significant.

The invention discloses a desert oligotrophic bacterium DOB153 and application thereof to sand stabilization. Through isolation, screening, selective breeding and acclimatization in Gurbantunggut Desert of Junggar Basin of Xinjiang, the oligotrophic bacterium Bacillus sp. DOB153 with the preservation number being CGMCC NO.11925 is obtained. The desert oligotrophic bacterium DOB153 and application thereof to sand stabilization have the advantages that after being used for the surface of the desert, a bacterial liquid prepared from the isolated oligotrophic bacterium DOB153 can play a role in sand stabilization, sand grain adhesion and quicksand activation control and provides good moisture conditions for germination of some plant seeds slow in germination to enable plants incapable of germinating due to insufficient moisture of soil to grow and develop, the number of major microorganisms in the soil can be increased effectively, major nutrient content of the soil can be increased, partial soil enzyme activity can be enhanced, algal crust can be recovered obviously, and accordingly the desert oligotrophic bacterium DOB153 is widely applicable.

The invention provides a desert control method. The desert control method comprises the steps that a desert is divided into a plurality of control areas; the control areas comprise the building area and the drip irrigation areas; the drip irrigation areas are arranged around the building area; a sand house is formed in the building area at a time; wells are drilled in the control areas, water pipes are installed, and thus drip irrigation can be conducted for 24 h in the drip irrigation areas; and a protecting and stabilizing layer is sprayed to the sand around the drip irrigation areas. According to the desert control method provided by the invention, the desert is controlled in a sectioned mode, the areas comprise the building area and the drip irrigation areas, the sand house in the building area is built through sand on the spot at a time, in this way, the construction period can be greatly shortened due to one-time formation, and manpower and material resources are saved; the sand house has the function of blocking and stabilizing sand; drip irrigation is conducted in the drip irrigation areas for 24 h, and growth requirements of crops can be met; and the protecting and stabilizing layer sprayed to the periphery of the drip irrigation areas can prevent sand from entering the drip irrigation areas, and the functions of blocking wind, stabilizing sand and protecting seedlings are achieved.

The invention relates to a method for achieving sand stabilization of a high-cold region through carex brunnescens. The method comprises the steps that in a first stage, first carex brunnescens living sand barrier queues are planted with the spacing of 10-20 m in the lower middle portions of the two sides of a moving longitudinal dune in the direction perpendicular to prevailing wind; in a second stage, after the longitudinal dune is leveled off through wind erosion, second carex brunnescens living sand barrier queues are planted on a large scale with the spacing of 0.5-1.0 m on a wind erosion flat ground located in the middle, living sand barriers at the left and right sides are integrally connected through the second carex brunnescens living sand barrier queues, and then stable sand stabilization surfaces can be formed. According to the method, a technique of utilizing carex brunnescens for sand stabilization is provided for achieving ecological management and sand stabilization practice of desertified grassland in the high-cold region, the cost for sand prevention and control is reduced, the sand stabilization period is shortened, the sand control effect is improved, a solid foundation is laid for better utilizing resource plants carex brunnescens in the future, and a new research prospect is opened up for ecological restoration of the desertified grassland in the high-cold region.

The invention relates to a composite for forestation, wind protection and sand fixation along the line of railway or highway. The composite is prepared by the following raw materials in proportion by weight: 50-95 parts of polystyrene, 15-50 parts of plasticizer, 60-150 parts of organic solvent, 5-25 parts of sodiumhydroxymethyl cellulose, 15-35 parts of dodecyl ammonium chloride, 100-300 parts of distilled water, 30-75 parts of gelantinizer, 3-20 parts of humectant and 0.002-0.03 part of photosensitive curing agent. The composite in the invention is diluted by adding water until the solid-containing amount in the composite is 1-10%, the diluted composite can be sprayed on soil and desert and then solidified to a ground film; and the composite takes the effect of preventing earth, fixing sand and preventing a large amount of water from evaporating, and has important sense for improving soil, managing sand, vegetating and foresting and improving ecological environment.

The invention discloses a wind prevention and sand fixation greening planting technology with good sand control effect. The wind prevention and sand fixation greening planting technology mainly comprises the following steps of: firstly arranging a plurality of strip sand-protecting barriers in a traveling dune zone; then mix-seeding herbaceous plant seeds in open grounds among the strip sand-protecting barriers, and planting shrub seedlings at the positions where the strip sand-protecting barriers are located; and finally fertilizing among the strip sand-protecting barriers and inside the strip sand-protecting barriers. According to the wind prevention and sand fixation greening planting technology, normal germination growth of most herbaceous plant seeds and shrub seedlings can be ensured without planting by multiple times; moreover, the growth period of herbaceous plants is relatively short, so that grass capable of sand fixation can be formed in a short time to further ensure normal growth of shrub seedlings; a grass and shrub forest can be formed in a relatively short time, two to three years in general, through the combination of the sand fixation of sand-protecting barriers with grass and shrub plants so as to achieve the effects of wind prevention and sand fixation; and the desertification of land can be effectively prevented. The technology is suitable for popularization and application in the technical field of sand control.

The invention relates to a desertification land comprehensive treatment method which comprises the steps that a latticed fence is arranged on a desertification land through grass plants, the side length of the minimum unit of the fence is 1-2 m, and the height of the minimum unit of the fence is 4-6 cm; spreading sand-fixing plant seeds and algae seeds in the sand land in the fence, and adding a functional microbial agent; sa-hao seed gum is sprayed on the surface of the sand for multiple times. The method provided by the invention has a good soil improvement effect, and can promote the growth and reproduction of soil microorganisms, improve the soil microenvironment and promote the growth of plants while playing a certain sand stabilization effect. The popularization of the method can increase the basic production capacity of agriculture and animal husbandry, and has great potential economic and social benefits.

The invention discloses a sand stabilizing method based on magnesium phosphate cement as a binder. The method comprises the following steps: adequately mixing soluble phosphate, a delayed coagulation material, magnesium oxide and filler according to the weight proportion of 1:(0.1-1):(1-30):(10-100); uniformly stirring a mixture obtained in the step S1 and water according to the weight proportion of (1-10):1, to obtain a magnesium phosphate cement half-wet material; and stacking the magnesium phosphate cement half-wet material obtained in the step S2 to form a sand barrier for preventing and stabilizing the sand. The method has the characteristics of cheap cost, environmental protection, stable performance, strong weather-proof ability, and simple and convenient construction, and has the extensive application prospect on the desertification control engineering.

The invention belongs to the technical field of planting of flowers and plants and provides a planting method for promoting growth of lilies. The method comprises the steps: (1) planting the lilies in sand fixation vessels, wherein each sand fixation vessel is of a cavity structure with an open end and is made from waterproof and air-permeable granules and a hydrophobic binder through binding, and pores, where gas molecules can pass through and liquid water molecules cannot pass through, are formed among the waterproof and air-permeable granules; (2) burying the sand fixation vessels in the step (1) in sandy soil, so as to enable sand fixation plants to form meshed vegetation zones and achieve fixation treatment on the sandy soil; and (3) planting the lilies in the meshed vegetation zones in the step (2). According to the planting method provided by the invention, the growth speed of the lilies can be increased, the flowering phase of the lilies is prolonged, and the ornamental value of the lilies is increased.

The invention discloses a desert oligotrophic bacterium DOB153 and its application in sand fixation. A desert oligotrophic bacterium Bacillus sp.DOB153 was obtained through isolation, screening, breeding, and domestication in the Gurbantunggut Desert in the Junggar Basin, Xinjiang. The preservation number of the strain is CGMCC NO.11925. The isolated The bacterial solution prepared by the oligotrophic bacteria DOB153 strain is used on the desert surface not only to play a role in sand fixation, but also to provide better water conditions for the germination of some plant seeds with a slower germination rate, so that some plants that cannot germinate due to insufficient soil moisture Get growth and development, not only play a role in sticking sand particles, preventing quicksand activation, but also effectively increasing the number of main microorganisms in the soil, increasing the content of main nutrients in the soil, enhancing the activity of some soil enzymes, and can obviously restore algae crusts. It has a wide range of applications in sand fixation. Value.

The invention provides a magnesium oxychloride cement-based material, a sand prevention and stabilization plate and preparation methods of the magnesium oxychloride cement-based material and sand-preventing and sand-fixing plate. The magnesium oxychloride cement-based material comprises magnesium chloride, fine sand, bischofite, a water reducing agent, a thickening water-retaining agent, a thixotropic agent, a defoaming agent and fibers. The magnesium oxychloride cement-based material provided by the invention has the characteristics that the fluidity is adaptive to extrusion type printing, the early strength of the material is high in the printing process, and the bonding force between printing layers is good, can be used for 3D printing of sand prevention and stabilization plate construction operation at the room temperature of 15-45 DEG C, and can achieve the purposes of waste utilization and ecological environment improvement.

The invention discloses a bionic desert passing stick which consists of a stick body, a stick support and a stick tip, wherein the stick body is in threaded connection in an upper pallet above the stick support; the stick tip is of conical shape and in threaded connection in a lower pallet below the stick support; the stick support consists of an upper pallet, multiple upper bracket rods, multiple lower bracket rods, a return spring, a lower pallet and two flexible skins; the return spring is fixed between the upper pallet and the lower pallet; the upper ends of the multiple upper bracket rods are hinged on the outer edge of the upper pallet; the lower ends of the lower bracket rods with the same number as the upper bracket rods are hinged on the outer edge of the lower pallet; the upper ends of the lower bracket rods are hinged on the lower sections of corresponding upper bracket rods; and the periphery of the multiple upper bracket rods and the periphery of the multiple lower bracket rods are covered with a flexible skin respectively. The bionic desert passing stick disclosed by the invention is used in desert, prevents unfavorable phenomena such as sinking, sliding and the like, and has relatively good desert passing performance.

The invention discloses a desert green net. The desert green net comprises a net frame and net slings, wherein the net slings consist of a plurality of layers of plastic slings which have different sizes, are sleeved together, are provided with the same opening and are filled with grass seeds, tree seeds, fertilizer and microorganisms. The plastic slings are hollowed locally, are sparsely distributed on the back surface of the net frame and are connected with the net frame. The net frame has an upward front surface and a downward back surface and is paved on a sand surface. Due to the adoption of a multi-layer net sling structure, the detention time of water in sand is prolonged; sandy soil around seeds is relatively stable, thereby contributing to the sprouting and the growing of the seeds and playing a part in fixing sand; sand fixation, moisture preservation, fertilizer application and microorganism propagation are designed synthetically so that basic living environment is provided for the sprouting and the growing of the seeds, and an initial biological chain for the plant growth is established; and most of the adopted materials are waste plastics, household garbage and straws, so that the harm of the waste plastics, the household garbage and the straws to the environment can be reduced.

The invention relates to a land desertification treatment method, and belongs to the technical field of land treatment. Fiber-rich sugarcane bagasse and an enzyme are mixed, crushed and enzymolyzed, then an enzymoiysis product reacts with hydrochloric acid and sodium hydroxide sequentially to obtain a reaction liquid, then waste chicken feathers are taken out and crushed, the crushed material is mixed with hydrochloric acid and sodium hydrogen sulfite for high temperature and high pressure reaction, a reaction filtrate and a sugarcane bagasse reaction liquid are mixed to obtain a functional liquid, finally, the functional liquid and dug desertified soil are mixed and pulped, an obtained sizing agent is injected into a dug soil pit again, artemisia desterorum spreng is planted on the surface after the sizing agent is solidified, and the treatment of land desertification is finished after maintenance. The land desertification treatment method has a good treatment effect, and has a broadapplication prospect.

The invention discloses a waterborne polyurethane sand-fixing agent and a preparation method thereof; the sand-fixing agent is inner crosslinking type waterborne polyurethane dispersion agent which contains neutralizer of kali salt of phosphoric acid and ammonium salt, wherein the solid content of the neutralizer is 30-45%, and the pH value of the neutralizer is 6-8. The preparation method comprises the following steps of: forming a prepolymer through the polymerization reaction of polyether polyol, diisocyanate, dihydromethyl propionic acid, the neutralizer, an inner crosslinking agent, a cosolvent and a catalytic agent, and then adding deionized water to the prepolymer for emulsification to obtain the sand-fixing agent. The waterborne polyurethane sand-fixing agent has the advantages ofwide suitable temperature range, non-toxicity, non-combustion, safety in use, free of environmental pollution and richness in nutrition and the like. As the environmental-friendly nutritional type sand-fixing agent, the waterborne polyurethane sand-fixing agent can be applied to the field of agriculture and forestry.

The invention relates to an ecological sand control method. The method comprises the following steps: 1) putting 1-2 parts of an organic flocculating agent by weight and 1-2 parts of a gel water-retaining agent by weight into 20-100 parts of water in sequence, stirring and blending; 2) putting smashed and screened 2-3 parts of sludge by weight, 2-3 parts of stalks by weight, and 10-15 parts of sandy soil by weight which is taken on the spot and is smashed and screened to the mixture prepared in the step 1); 3) pouring products of the step 2) into a container, stirring and blending, using a mortar pump to convey the product to a forming mould, and forming at temperature of 40-60 DEG C; 4) after a culture medium is formed and demolded, conveying the culture medium to a place whose sandy soil needs improvement through a production line, and putting sandy plants in order on the spot and transplanting the sandy plants. The ecological sand control method makes plants be able to use water and nutrient substances in the culture medium to keep growing, root systems of the plants would be expanded with growth, so as to play a sand stabilizing effect and control sandy soil. The ecological sand control method can perform mechanized construction, and is simple and rapid and is pollution free.

The invention discloses a desert oligotrophic bacterium DOB150 and its application in sand fixation. An oligotrophic bacterium Bacillus sp.DOB150 CGMCC NO.11925 was obtained through isolation, screening, breeding, and domestication in the Gurbantunggut Desert in the Junggar Basin, Xinjiang. It is a new strain. By using the isolated After the bacterial agent prepared by the oligotrophic bacteria DOB150 strain is sprayed in the desert, it can not only play a role in sand fixation, but also may provide better water conditions for the germination of some plant seeds with a slow germination rate, so that some plants that cannot germinate due to insufficient soil moisture The germinated plants grow and develop; after the prepared bacterial agent is sprayed into the desert, it not only plays a role in sticking sand particles and preventing the activation of quicksand, but also effectively increases the number of main microorganisms in the soil, increases the content of main nutrients in the soil, and enhances the activity of some soil enzymes. And can obviously restore the algae crust, and has wide applicability.

The invention discloses a starch-grafted waterborne polyurethane sand fixing agent and a preparation method thereof. The sand fixing agent is a starch-grafted waterborne polyurethane dispersion liquid of which the viscosity is 20-500 mPa.s at the temperature of 25 DEG C, the solid content is 30-45 percent by weight, the pH value is 6-8, and the storage stability is higher than six months; and the Shore hardness of a filmed dispersion liquid is 35-45. The sand fixing agent is obtained by undergoing a polymerization reaction on polyether polyol, diisocyanate, dimethylolpropionic acid, a neutralizing agent, starch, a latent solvent and a catalyst for forming a performed polymer and adding into deionized water for emulsifying. The starch-grafted waterborne polyurethane sand fixing agent has the advantages of degradability, nontoxicity, non-flammability, use safety, environmental friendliness, high nutrition and the like, and can be widely applied in the fields of agriculture and forestry as an environmentally-friendly nutritional sand fixing agent.

The invention discloses a sand fixation control and planting integrated method for sand land. The method includes: spreading a sand-fixing agent to the surface of the sand land, planting plants on thesand land where the sand-fixing agent is spread to form a grid sand-fixing plant zone, and planting two rows of different crops in grids; planting shrubs or perennial herbs in the prevailing wind direction of one side of the sand-fixing plant zone. By adoption of the sand-fixing agent, sand loss is prevented; by planting of the crops in the grid windbreak sand-fixing plant zone, the vegetation coverage of the sand-fixing plant zone can be increased, effects of wind speed reduction and effective prevention of sand flowing are achieved, and accordingly crop damage caused by wind erosion or sandaccumulation can be prevented.

The invention relates to a sand prevention fence device and a sand prevention system. The sand prevention fence device includes a support column, both sides of the support column are respectively provided with at least one fixing pile, a sand prevention net is arranged on the support column, and the sand prevention net is separately connected with the fixing piles at both sides of the support column. Since the fixing pile and the support column are arranged in a triangular shape, the sand prevention net is arranged on the support column and is connected with the fixing piles, so as to form a sand accumulation area, accordingly, the range of sand prevention and resistance can be effectively expanded and the sand accumulation amount can be improved. According to the sand prevention fence device and the sand prevention system, multiple rows of the sand prevention fence devices are arranged in a spaced way and each two adjacent rows of the sand prevention fence devices are subjected to a staggered arrangement, thus a plurality of sand prevention fences having the functions of transporting and guiding sand are used for replacing the original integrated linear sand prevention fence, the sand prevention effects are scattered on each of sand prevention fences instead of the original single linear sand prevention fence, and the sand prevention effects are better.