40results about How to "Long water retention time" patented technology

The invention discloses a composite substrate water retaining agent. The water retaining agent comprises an additive and an adhesive, wherein the additive comprises soluble starch, bamboo charcoal powder or corncob pyrolysis powder; and the adhesive is beta-cyclodextrin and sodium carboxymethyl cellulose. The environment-friendly substrate water retaining agent is prepared from raw materials which are natural, pollution-free, wide in source and easy to degrade, has high water absorbing capacity and water retaining efficiency, can replace an expensive high molecular compound water retaining agent, and solves the problems that culture substrates (such as peat, turf and soil) in agriculture and forestry production and floriculture have low water retaining capacity, the common high molecular compound is low in degradation rate and high in cost, and the like.

The invention discloses three-laminated composite board type full-nutritional rice seedling breeding bedding and a preparation method thereof and relates to rice seedling breeding bedding and a preparation method thereof. The problems that existing seedling breeding bedding is poor in water-retaining property, fertilizer efficiency in the later period of seedling breeding is poor, strength is low, and the existing seedling breeding bedding is not suitable for being transported and carried are solved. The seedling breeding bedding is divided into three layers from top to bottom, the middle layer is a core layer, and the surface layers are located on the two sides of the core layer. The preparation method comprises the following steps that (1), straw is cut into sections; (2), steaming and softening are conducted; (3), the straw is ground and kneaded to be in a fiber shape and is dried; (4), mixing is conducted; (5), paving is conducted; and (6), hot-pressing is conducted. According to the three-laminated composite board type full-nutritional rice seedling breeding bedding (as shown in figure 1) produced through the preparation method, when no water is absorbed by the three-laminated composite board type full-nutritional rice seedling breeding bedding, the static bending intensity is 21-22.8 MPa, and the internal bonding strength is 0.35-0.40 MPa; and the three-laminated composite board type full-nutritional rice seedling breeding bedding is high in strength, not prone to breakage or damage and easy to cut and can be manufactured to be in different shapes.

The invention discloses a fly ash-based soil water-retaining conditioner and a preparation method thereof, belonging to the technical field of soil water-retaining conditioners. The fly ash-based soilwater-retaining conditioner comprises fly ash clinker and a soil composite mineral type conditioner. The fly ash clinker is prepared from the following components in parts by mass through a calciningprocess, and the mass ratio of fly ash to calcium oxide or calcium carbonate to sodium carbonate to potassium carbonate is 1: (0-1) or (0-1.4): (0-0.5): (0-0.5). Through the water absorption and drainage principle of the generated dicalcium silicate, the effect of keeping moisture in the soil is achieved; the soil composite mineral conditioner is composed of humus soil, humic acid and cured pig manure, and can improve physical, chemical and microbial reactions of soil and increase fertility of the soil.

A forestry water-retaining planting fast-growing method. Before planting, an organic water-retaining basin filled with water-retaining mixture is put down at the bottom of the hole, and rice stalks, white stone powder, calcium, magnesium, phosphorus and organic fertilizer are added to the surface of the water-retaining basin. When planting trees, tree roots It must be 20cm to 30cm away from the surface of the water retention basin, and the soil should be fertilized and stepped on firmly, and then covered with moisturizing grass. Take wheat straw, rice straw, bagasse, banana tree, rice hulls and adhesives, or easily soluble organic raw materials to make organic water retention basins. For every 100 tree seedlings, use 3 kg of water-retaining agent, 1 kg of water-retaining agent, 20 kg Chaff, 200 kg of water, the present invention has wide sources of raw materials, turns waste into treasure, is cheap, saves water resources, saves cost, is easy to operate, does not pollute the environment, has long water retention and heat preservation time, exerts high fertilizer efficiency, and promotes drought and anti-drought resistance of trees It can greatly increase the volume of woodland yield per mu, and its growth rate is more than 50% faster than that of natural planting.

The invention relates to water treatment flocculant. The water treatment flocculant comprises, by weight, 8-15 parts of poly-aluminum ferric silicate sulfate, 3-8 parts of chitosan, 4-10 parts of water glass, 5-8 parts of aluminum sulfate and 5-12 parts of ferric chloride. The components are added into water according to the above ratio and can effectively remove impurities and suspended solids in the water, flocculation is quick and treatment effect is good. The water treatment flocculant is high in removal rate of various metal ions in the sewage and can effectively lower color and turbidity of water so as to let water quality conform to higher requirements. The flocculant is added once during use, and operation process is simplified. The quality of the treated sewage is kept consistent, secondary waste of recoiling and dirt suction is reduced and water and energy are saved. The water treatment flocculant can be widely applied to various types of sewage, such as from steel and chemical industry, power, printing and dyeing and domestic sewage.

The invention discloses a coal gangue based soil conditioner for greening tree planting in saline-alkali soil. The technical scheme is characterized in that preparation materials comprise coal ganguecompressed nutrient soil, coal gangue carbonized soil, acidized zeolite particles, acidized straw, flue gas desulfurized gypsum, humic acid, powdery water retaining and slowly-release fertilizer for the saline-alkali soil, attapulgite clay, ferrous sulfate and water; the preparation materials are stirred and mixed uniformly and packaged into the coal gangue based soil conditioner for greening treeplanting in the saline-alkali soil. Calcium ions and magnesium ions contained in the soil conditioner can substitute for sodium ions in saline-alkali soil colloids, so that content of exchangeable sodium ions of the soil is reduced, degree of alkalization of the soil is reduced, fertility of the saline-alkali soil can be improved obviously, content of organic matter, calcium, magnesium, silicon,sulfur, nitrogen, phosphorus and potassium in the saline-alkali soil is increased, the saline-alkali soil is improved, the survival rate of planted greening trees is increased, and the coal gangue based soil conditioner for greening tree planting in the saline-alkali soil is applicable to improvement of the saline-alkali soil and greening tree planting in the saline-alkali soil.

The invention discloses a slow-acting multifunctional compound microorganism fertilizer and a process for producing the same. The slow-acting multifunctional compound microorganism fertilizer comprises, by weight, 15-25 parts of nitrogen, phosphorus and potassium compound fertilizers, 5-10 parts of peony seed cake, 10-20 parts of peony shells / leaves, 10-20 parts of feculae bombycis, 5-10 parts ofmineral palygorskite, 5-10 parts of potassium fulvic acid, 2-5 parts of disease and insect resistant components extracted from traditional Chinese medicinal materials, 1-3 parts of trace elements and5-8 parts of EM (effective microorganism) bacteria. The contents of N+P2O5+K2O in the slow-acting multifunctional compound microorganism fertilizer are higher than or equal to 15-25%, the effective viable bacterial count of the slow-acting multifunctional compound microorganism fertilizer is higher than or equal to 300 hundred million / kg, the moisture content of the slow-acting multifunctional compound microorganism fertilizer is lower than or equal to 30%, and the organic matter content of the slow-acting multifunctional compound microorganism fertilizer is higher than or equal to 20%. The slow-acting multifunctional compound microorganism fertilizer and the process have the advantages that the slow-acting multifunctional compound microorganism fertilizer is in a scientific formula, contains complete nutrients, is lasting in fertilizer efficiency, high in fertilizer utilization rate and free of pollution or public hazards and is antibacterial, green and ecological, multiple effects can be realized by the single slow-acting multifunctional compound microorganism fertilizer, insects can be prevented by the slow-acting multifunctional compound microorganism fertilizer, obvious effects of improving soil environments can be realized by the slow-acting multifunctional compound microorganism fertilizer, the yield of crops can be increased by the slow-acting multifunctional compound microorganism fertilizer, and the quality of the crops can be improved by the slow-acting multifunctional compound microorganism fertilizer.

The invention discloses a foamed concrete vegetation nutrient medium and application thereof; the foamed concrete vegetation nutrient medium is used for a gentle soil slope or an arid area soil slope; the foamed concrete vegetation nutrient medium comprises the following raw materials in parts by mass: 9 to 11 parts of turfy soil or humic acid organic fertilizer, 1.8 to 2.2 parts of plant fibers, 0.45 to 0.55 part of a soil micro-ecological improvement liquid, 0.18 to 0.22 part of a slow-release compound fertilizer, 2.8 to 3.2 parts of low-alkali sulphoaluminate cement, 0.08 to 0.12 part of sulfur powder, 0.25 to 0.35 part of polyvinyl alcohol, 2.8 to 3.2 parts of active silicon dioxide, 0.004 to 0.006 part of hydrogen peroxide, and 60 to 100 parts of water. The foamed concrete vegetation nutrient medium disclosed by the invention can provide sufficient various nutrients for plants; by adding the low-alkali sulphoaluminate cement, the compressive strength is high, the surface erosion resistance is high, and the low-alkali sulphoaluminate cement can be quickly bonded into a solid; hydrogen peroxide is added to form a pore structure and a porous channel through foaming, so that the water storage rate is high, the water retention time is long, long-term survival and growth of plants are facilitated, and the high transpiration / evaporation influence is greatly reduced.

The invention provides a non-woven fabric with high absorption and a production technology and application thereof. The non-woven fabric is prepared from alginate fiber, skeleton fiber and function fiber; the alginate fiber contains 80-90% of calcium alginate and 10-20% of sodium alginate, and the mass ratio of calcium alginate to sodium alginate in alginate fiber is 8:2-9:1; the water absorptioncapacity of the non-woven fabric is 13-48 times. The non-woven fabric is used for a mask or cotton pads. The breathability of the manufactured non-woven fabric reaches 700-804 CFM, and the fabric is high in comfort level when adopted as the mask and other beauty makeup supplies.

The invention discloses a humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land. The humic acid slow release fertilizer comprises, by mass, 120-180 parts of crop wastes, 250-400 parts of humic acid, 160-200 parts of urea, 120-160 parts of nanometer calcium carbonate, 80-120 parts of mineral slag, 30-60 parts of high viscosity attapulgite clay powder, 8-20 parts of Azotobacter chroococcum, 800-1200 parts of a binder and 10-14 parts of a microbial fermentation agent. The above scientific and reasonable formula of the humic acid slow release fertilizer suitable for long-term improvement of secondary salinization land is obtained through a large amount of experiment researches carried out by the applicant, and the humic acid slow release fertilizer has fertilizing effect slow release and water retention functions, provides nutrient components needed by growth of plants, keeps no loss of nutrient components in a powdery saline and alkaline land water retention slow release fertilizer, and is in favor of realizing normal growth of the plants.

The invention discloses art texture water paint and a preparation method thereof, relating to the technical field of paint. The art texture water paint comprises the following components in parts by weight: 140-160 parts of pure-acrylic elastic emulsion, 400-450 parts of 40-80-mesh goodow, 50-100 parts of 20-40-mesh goodow, 10-30 parts of polyamide wax solution (the weight ratio of polyamide wax to deionized water is 1:1), 0-50 parts of titanium dioxide, 50-100 parts of 325-mesh ground calcium carbonate powder, 2-2.5 parts of methylcellulose ether, 2-6 parts of dispersing agent, 1.5-2.5 parts of antifoaming agent, 5-15 parts of coalescing agent, 1-3 parts of leveling agent, 1.5-3 parts of thickening agent, 1 part of anti-mildew anti-alga agent and 120-200 parts of deionized water. The art texture water paint is prepared by uniformly mixing and stirring the components. The paint disclosed by the invention is green and environment-friendly and has the advantages of good application property, high flexibility, clear texture, good decoration property and good water resistance; and without APEO and the metal compounds such as lead or chromium, the paint avoids harm to the environment and human health.

The invention discloses an ecological restoration method of an acid metal mine waste slope. The ecological restoration method comprises the following steps of spraying a first nutrient medium and a second nutrient medium to a slope, forming a first matrix layer in contact with the slope by the first nutrient medium, forming a second matrix layer positioned above the first matrix layer by the second nutrient medium, and ensuring that the thickness of the first matrix layer is 1.5-2 times that of the second matrix layer, wherein the second nutrient medium comprises seeds. The first matrix layer is free of sulfur powder and relatively high in alkalinity; the thickness of the first matrix layer is 1.5-2 times that of the second matrix layer; and the relatively thick first matrix layer can be reliably connected with a slope and conduct neutralization reaction, and enough depth can be provided for reliable growth of seeds of the second matrix layer.

The invention discloses a method for cultivating Chinese tallow trees. The method includes the following steps: (a) seed selection: selecting mother trees at a tree age of more than 20 years, and harvesting seeds when fruits crack in November; (b) sowing: sowing the seeds in a wide row in spring, 5 to 10 kg per mu; (c) thinning: performing thinning when seedlings are 10-15 cm high, retaining seedling row spacing of 5-10 cm, and reserving 6000-8000 seedlings each mu; (d) management: including weeding, soil loosening, watering and fertilizing, and applying 20-30 kg of slow release fertilizer permu in one time; watering the seedlings once every 8-10 days, subjected to wetting of the surface soil around the tree seedlings; (f) grafting: selecting crown branches on mother trees fine in varietyas scions, and forming straight seedlings. The scientific and reasonable method for cultivating the Chinese tallow trees is acquired through a large number of experimental studies by the applicant. The slow release fertilizer can provide nutrients necessary for plant growth, and the nutrients contained in the powdery water-retaining slow release fertilizer are not lost, thereby being favorable for normal growth and development of the plants.

The invention relates to a method for preparing a straw seedling culture medium, in particular to a method for preparing a plate-type straw biological seedling culture medium with a dry process. The problems that at present, straw is low in additional value and small in usage amount, and resources are wasted are solved. The preparing method includes the first step of straw cutting-off, stewing and softening, the second step of grinding, rubbing and kneading and drying, the third step of material metering and mixing, the fourth step of laying, and the fifth step of hot-pressing molding. It accords with the concept of returning crop stalks to the field to prepare straw into the seedling culture medium, nutrient substances in straw can be effectively utilized and transformed into organic matter to achieve resource recycling, the dependence on chemical fertilizer is reduced while necessary nutritional ingredients are provided, production and usage cost is reduced, and a new industrial production pattern is provided for base material formation in comprehensive utilization of straw.

The invention provides a manufacturing method for an organic water retention basin applied to forestry planting. According to the manufacturing method, wheat straws, rice straws, bagasse, banana trees, rice husk, a binding agent and the like are adopted or easily-dissolved organic matter raw materials are processed to manufacture the organic water retention basin; the diameter of the organic water retention basin is 20cm-40cm, the height is 10cm-20cm and the thickness is 0.3cm-0.5cm; or the organic water retention basin is square and has the same specification; the organic water retention basin is internally filled with a water retention mixture. 3kg of a water retention agent in each 100 tree seedling is adopted for the water retention mixture; 1kg of the water retention agent, 20kg of the rice husk and 200kg of water are adopted, namely the weight ratio is 1 to 20 to 200; the mixed and expanded water retention mixture is fully filled into the water retention basin; or the water retention mixture is put into the basin for 70% and water is added to expand the water retention mixture. The manufacturing method is wide in raw material source and changes wastes into valuable things; the water retention and heat-preservation time is long, the expressed fertilizer efficiency is high, and the drought resisting and cold resisting capabilities of trees are promoted; the timber volume produced by the unit area of forest lands is greatly improved and the growth speed is more than 50% faster than that of natural planting growth.

The invention discloses a composite substrate water retaining agent. The water retaining agent comprises an additive and an adhesive, wherein the additive comprises soluble starch, bamboo charcoal powder or corncob pyrolysis powder; and the adhesive is beta-cyclodextrin and sodium carboxymethyl cellulose. The environment-friendly substrate water retaining agent is prepared from raw materials which are natural, pollution-free, wide in source and easy to degrade, has high water absorbing capacity and water retaining efficiency, can replace an expensive high molecular compound water retaining agent, and solves the problems that culture substrates (such as peat, turf and soil) in agriculture and forestry production and floriculture have low water retaining capacity, the common high molecular compound is low in degradation rate and high in cost, and the like.

The invention relates to a water retention particle preparation method, wherein acrylic acid, acrylamide, ammonia water, ammonium persulfate, N.N-dimethyl bisacrylamide, sodium hyposulfite and water are combined and prepared into the water retention particles. According to the present invention, the whole production process does not require external auxiliary heating while the sodium hyposulfite is used as the self-initiation thermal agent, such that the temperature of the mixed liquid is automatically increased to achieve natural polymerization forming so as to form the product in a short time; the whole implementation process does not require relevant facilities and equipment while the simple facilities such as the corrosion resistance barrel, the disk and the like are utilized so as to substantially reduce the investment risk; the production process is not limited by the production environment, the full-opening type production can be achieved at the room temperature, even at the low temperature, and the efficient and high-quality water retention particles can be produced within 1 h; and the opening type reaction polymerization is performed during the implementation process, such that the reaction heat dispersion is easily achieved, the product cross-linking is uniform, the grafting rate is increased, and the performance is stable.

The invention discloses a drought-resisting and flood-draining method and device for a dry sloping field based on soil and mother rock integrated cultivation, and belongs to the technical field of agricultural production. The method solves the problems that in the prior art, due to the fact that a soil layer is light and thin, the soil moisture capacity is small, the water retention and drought resistance capacity is poor, and rainwater seasonal distribution is uneven, early-stage drought and later-stage waterlogging restrict agricultural production of the calcareous purple soil drought slope land, and comprises the steps that soil and mother rock integrated cultivation is carried out on thin-layer shale purple soil; wherein a part of uncultivated soil layer is reserved between every two adjacent upper-layer soil crushing devices, a soil hard blocking ridge is formed on the lower layer of the soil, shale is crushed through the lower-layer mother rock crushing device, and the crushed mother rock debris forms a mother rock debris covered channel on the lower portion of the soil layer, so that soil and mother rock integrated cultivation is achieved, and the soil and mother rock integrated cultivation efficiency is improved. The technical effects of improving the drought resistance, enhancing the flood drainage capacity, collecting water in all directions of runoff and interflow and optimizing the rainwater utilization rate are achieved.

The invention provides a water-retaining matrix, a preparation method and an application thereof. The water-retaining matrix contains the following components: soil, water-absorbing resin, plant fermentation products, perlite, vermiculite and fiber carriers with the weight ratio of 60-75:0.3-0.4:50-70:5-7:10-12; and the fiber carriers are coco coir and / or polyester fiber. The water-retaining matrix provided by the invention has the characteristics of high water-absorption rate, long water-retaining time, rapidness in curing, rich nutrition, improvement of cold resistance of plants and the like.

The invention discloses a composite macromolecule water-absorbent resin containing nitrogen and potassium and a preparation method of the resin. The preparation method includes the steps: adding a certain quantity of reaction media, dispersing agents and calcium carbonate into a reaction vessel provided with a condensing unit and a stirring device; heating and uniformly mixing the materials. In addition, a certain quantity of nitric monomers and methacrylic 3-potassium propyl sulfonate salt, crosslinking agents and initiators are taken, dissolved in distilled water, added into the reaction vessel and polymerized for several hours. After reaction, products are filtered, washed and dried to obtain the macromolecule water-absorbent resin. The macromolecule water-absorbent resin is simple in preparation technology and suitable for industrial production. The prepared macromolecule water-absorbent resin is high in water absorption and long in water retention time, and contains nitrogen and potassium needed by plant growth. The macromolecule water-absorbent resin has a good application prospect in aspects of land desertification controlling, soil water retention, vegetation transplantation and the like.

The invention belongs to the field of organic chemistry, and relates to preparation of sustained-release organic fertilizers. The organic fertilizer consists of an organic fertilizer body and a water-retention sustained-release carrier, wherein according to the dry weight, the water-retention sustained-release carrier accounts for 2-8 percent of the weight of the organic fertilizer body; the water-retention sustained-release organic fertilizer is a polymer prepared by grafting crylic acid and / or a crylic acid derivative and cellulose-containing tobacco stem slag; and the crylic acid derivative comprises acrylamide or sodium acrylate. The water-retention sustained-release carrier of the organic fertilizer provided by the invention is high in water absorption, long in water retention time, low in cost, environment-friendly and prepared by tobacco waste serving as a raw material; when the water-retention sustained-release carrier is grafted to the crylic acid or the crylic acid derivative thereof to form the polymer, an undesirable water absorption effect is achieved; the organic fertilizer has the advantages of slow release and controlled release and is suitable for fertilization of places which are changeable in climates and are easy to dry.

The invention discloses a natural polysaccharide-based medical antibacterial hydrocolloid dressing. The natural polysaccharide-based medical antibacterial hydrocolloid dressing consists of a back lining support layer, a hydrocolloid layer and a stripping layer, wherein the hydrocolloid layer consists of a thermoplasticity elasticity body, natural polysaccharide and a cross-linking agent. The hydrocolloid dressing has favorable comfortable degree and adhesion strength to skin, the extensibility is 1.5N / cm-3N / cm, the permanent deformation is smaller than or equal to 1%, the extensibility of thedressing is close to extensibility of normal skin, and favorable comfortable degree can be provided. The stripping strength is 4N / cm-5N / cm, the imbibing multiplying power of the hydrocolloid is greater than or equal to 18 times, the water retention time is greater than or equal to 48 hours, the water vapor transmission is 20g.m<-2>.24h<-1>, and the dressing has favorable antibiotic action on common staphylococcus aureus and escherichia coli. Besides, the dressing is high in biocompatibility, can effectively prevent infection of wounds, and besides, can be used for infected wounds.

The invention relates to a method for restoring and caring wrinkles on a facial area. The method comprises the steps of cleaning the skin of the facial area with warm water or slightly alkaline washing products for removing dirt and grease on the surface of the skin and wiping; pressing and slightly rubbing the skin at the periphery of the forehead wrinkles with double hands; preparing a nutritional biological membrane, placing a wet towel at 65-75 DEG C on the face in a spreading manner to enable the skin of the facial area to be flushed and moisturized; and coating a semi-pasty mixture on the forehead, the cheeks and the eye corners, covering with a plastic wrap to form the nutritional biological membrane for the skin, keeping for 20-30min, then cleaning the face, and wiping. The substances are combined to form the semi-pasty mixture which is coated on the face, the plastic wrap is covered on the surface, the water retention time is long, the blood circulation of the skin of the facial area is accelerated, nutrition is improved, toxins are expelled, moisture is supplemented, adhesion is removed, and the skin elasticity is restored, therefore, the method can achieve the effect of removing the wrinkles of the facial area.

The invention relates to the field of water retaining agents, and specifically relates to a spherical honeycomb water retaining agent and a preparation method thereof. The spherical honeycomb water retaining agent is prepared from the following raw materials in percentage by weight: 30 to 50 percent of acrylic acid, 15 to 25 percent of sodium hydroxide, 1 to 10 percent of acrylamide, 0.1 to 5 percent of cross-linking agent, 0.1 to 5 percent of initiator, 0.5 to 2 percent of assistant and the balance of water. The preparation method of the spherical honeycomb water retaining agent comprises thefollowing steps: S1, mixing sodium hydroxide with the water in percentage, and releasing heat, thus obtaining a mixture; S2, stirring and mixing acrylic acid, acrylamide, the cross-linking agent andthe initiator in percentage by weight, thus obtaining the other mixture; S3, mixing the mixture with the other mixture, thus obtaining to-be-reacted feed liquid; S4, enabling the to-be-reacted feed liquid to enter a reaction container; S5, synthesizing; S6, cleaning; S7, drying, thus obtaining the spherical honeycomb water retaining agent. Compared with the prior art, the water absorption speed isrelatively quickened by a honeycomb structure of the spherical honeycomb water retaining agent, balance is achieved, and the drought control cost is reduced.