61results about How to "Good sand fixing effect" patented technology

An eco-friendly sand stabilization dust depressor is dark-brown milky liquid prepared by biomass materials, surfactants, water-soluble polymers, moisturizers, preservatives and water through mixing. The viscosity of the dust depressor is 50-80 centipoise at the normal temperature. The biomass materials are solid cake-like residues of plant seeds after a squeezing and oil pressing process or solvent digestion; the water-soluble polymers are carboxymethylcellulose and polyvinyl alcohol; and the moisturizers are magnesium chloride, calcium chloride, sodium sulfate, sodium silicate and the like. The obtained sand stabilization dust depressor is eco-friendly; and the preparation process is simple, short in process and easy to operate. The eco-friendly sand stabilization dust depressor has the advantages of being environment-friendly, non-toxic and free of pollution; and capable of effectively controlling soil wind erosion and land desertification, reducing dust weather, playing roles in sand stabilization, dust proofing and depression, and being widely used in severe wind erosive areas such as suburban farmlands, wastelands, degraded grasslands and deserts.

The invention relates to the field of sandstorm prevention and control, in particular to a gridding sand stabilizing device. The gridding sand stabilizing device comprises sand stabilizing units connected in sequence; each sand stabilizing unit includes a sand stabilizing plate, a connecting device and a fixed pile; bolt holes are formed in the geometric center positions of the connecting devices; four sand stabilizing plate slots communicated up and down are uniformly distributed in the outer side walls of the connecting devices; the end parts of the sand stabilizing plates are fixedly connected with the sand stabilizing plate slots in an insertion manner; the fixed piles and the bolt holes are connected in an insertion manner below the ground by 15-20 cm; and the other end parts of the sand stabilizing plates are fixedly connected with the sand stabilizing plate slots of the connecting devices of the adjacent sand stabilizing units in an insertion manner. The gridding sand stabilizing device is excellent in sand stabilizing effect, and can be applied to the sand damage treatment of highways and railways in the desert regions. The gridding sand stabilizing device is simple in structure, and is more convenient and quicker in assembly and pavement; and the connecting devices and the sand stabilizing plates cannot move to generate the falling phenomenon due to gale invasion, so that the sand stabilizing effect is guaranteed. The sand stabilizing plates and the connecting devices can be manufactured by concrete materials or sand stabilizing materials, so that the cost is saved, the service life is long, and the recycling is achieved.

The invention is a quicksand slope depth-type sand fixing method, comprising the steps of: adopting the flower pipe-micro root pile depth-type sand fixing method to carry out quicksand slope depth-type sand fixing design, i.e. drilling vertically the ground to the sand slope depth on a sand slope necessary to fix sand, inserting micro flow pipe into the hole and injecting high pressure clay, soil powder / cement and fine sand pulp into the flower pipe, so that the pulp is ejected through pores around the flower pipe to form rootlike pulp veins, which tightly hold the sand by their bonding and absorbing actions, so as to achieve the sand fixing purpose. And it can effectively fix the quicksand slope.

The invention discloses a clay-based thermal phase transition multifunctional sand fixing material, and belongs to the technical field of sand preventing and sand fixing. The material is prepared by a method which comprises the following steps: crushing biomass waste into crushed slag; mixing a biomass degradable raw material and the biomass waste slag in a certain proportion at a high speed; then, performing vacuum immersion treatment to obtain a thermal phase transition energy storage additive; finally, uniformly mixing the thermal phase transition energy storage additive and clay in a certain proportion, paving and spreading the mixture on the surface of a moving dune, and spraying water on the mixture to enable the water to penetrate into the surface and crusts. A heat energy storage phase transition material and a water retaining material which are relatively low in cost are introduced by adding a chemical sand fixing idea on the basis of a clay-based sand fixing material; the prepared energy storage thermal phase transition multifunctional clay-based sand fixing material has the advantages of physical sand fixing, chemical sand fixing and plant sand fixing; the sand fixing effect is good; the cost is low; meanwhile, the problems in pure physical sand fixing and chemical sand fixing are solved, and the difficult points of the plant sand fixing is also solved, so that the clay sand fixing can be popularized and applied more comprehensively.

The invention discloses a method for utilizing solar energy for fixing sand. The method utilizes a convex lens for focusing solar radiation and generates high temperature at a focus point for meltingsand particles for producing block-shaped sand bricks. The large-area coverage of the block-shaped sand bricks on a sand dune can thoroughly prevent desert from flowing and prevent dust storm. The method comprises the following steps: producing a special tool and utilizing optical materials for producing the convex lens with a support which can adjust direction. The convex lens is arranged on thesupport, and the direction of the support is adjusted, thereby melting the sand particles at the focus point of the convex lens for forming the big sand bricks. The large-area coverage of the sand bricks on the surface of the sand dune can achieve the purpose of fixing the sand.

The invention discloses a freeze resistant sand fixing agent, and belongs to the technical field of sand fixing. A prepared water absorbing additive can improve the swelling performance and swelling dynamics of a composite material; absorbed water is stored in the channels, introduced carboxyl groups have a hydrophilic property, water contacting performance is enhanced, the water absorbing and water retaining performance of the sand fixing agent are improved; a microbial additive absorbs Ca<2+> from a surrounding sandy environment, then Ca<2+> combines with carbonate ions to generate mineral precipitates, as the stacking of the minerals, the density of the sandy layer is increased, the permeability is reduced, the absorbed water is sealed and stored, the cementing of sand is promoted, thesand is continuously fixed and protected; a freeze resistant additive can effectively reduce the size of pores, the transpiration rate is reduced, the water utilization rate is increased, water loss is reduced, water can be absorbed and utilized by plants, and the sand quality can be adjusted. The problems that in the prior art, the freeze resistant performance of a conventional sand fixing agentis bad and the sand fixing efficiency is bad are solved.

The invention relates to an iron tailing pond greening afforestation method. In the method, field soil, turf, decomposed chicken manure, three-nutrient composite fertilizer, water-retaining agent and rooting agent are mixed according to a certain proportion and then filled into a nursery pot; then mulberry seedlings and sea-buckthorn seedlings are transplanted to the nursery pot and cultured for two to three months; then the nursery pot is transplanted into a pit formed in a dam body surface; two lines of mulberry seedlings and four lines of sea-buckthorn seedlings are crossed-planted; alfalfa is planted between pits; water and seeds are regularly supplied; fertilizers are dressed in spring and summer; and the mulberry seedlings and the sea-buckthorn seedlings are trimmed in the next spring and afforestation can be finished. By the use of the method, soil use amount can be greatly reduced and high survival rate of mulberry trees and sea-buckthorn trees can be achieved; and the roots extend into the tailing sand, so great sand solidification effect can be achieved.

Embodiments of the invention provide a sand fixing agent capable of preventing exposed soil from dust-raising and preventing sand from drifting, and a preparation method and an application thereof. The sand fixing agent comprises the following components in parts by mass: 0.01 to 15 parts of macromolecular polymers, 0.01 to 15 parts of alkalis, 0.01 to 15 parts of esters and a proper amount of water. The preparation method comprises the following steps: uniformly mixing the macromolecular polymers, the esters, the alkalis and the water under stirring so as to form the sand fixing agent. The sand fixing agent provided by the embodiments of the invention can be applied to the aspects of preventing exposed soil from dust-raising and preventing sand from drifting, and is specifically applicable to desert control. Through preparation into an aqueous solution by combining the macromolecular polymers, the esters and the alkalis in a certain proportion, and application to the surface of soil,the sand fixing agent bonds soil particles into a large aggregate structure, and can realize a relatively-stable surface layer insusceptible to wind erosion and water erosion when the content reachesa certain number, thereby reaching the effect of fixing sand and obtaining a pioneering significance.

The invention relates to a preparation method for a greening brick from casting wastes and the obtained greening brick. The greening brick is prepared from the following raw materials in parts by weight: 10-20 parts of waste residues, 20-40 parts of waste sand, 10-30 parts of waste dust, 20-30 parts of water glass, 5-10 parts of cement, 3-5 parts of a plasticizer, 3-10 parts of a binder, 2-5 partsof a water reducer and 10-30 parts of water. The preparation method includes the processes of waste collection, material preparation and blank preparation, curing and maintenance. The casting wastesare used as main raw materials, not only are the resources saved, but also the environmental pollution caused by accumulation of the casting wastes is avoided; during the curing process, an amorphoussilicic acid gel is formed by the reaction of water glass and aluminum chloride, and the crosslinking is formed between the casting wastes, the adhesive force between the casting wastes is enhanced, and the strength of the greening brick is improved; and the prepared greening brick has good air permeability and water absorption and water retention performance.