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255 results about "Water retention (function)" patented technology

Environment-friendly light porous simulated soil cultivation medium body and preparation method thereof

The invention discloses an environment-friendly light porous simulated soil cultivation medium body and a preparation method thereof. The cultivation medium body is of a continuous integrated porous simulated soil sponge structure and is prepared from 1-10 parts by weight of polyurethane binding body, 1-50 parts by weight of filler, 0.01-50 parts by weight of auxiliary material and 0-5 parts by weight of embedded functional matter. The filler is at least one of organic filler, inorganic filler and organic and inorganic composite filler. The auxiliary material is a mixture of at least two of a surface active agent, a catalyst, a chain extender, a fire retardant and a foaming agent. The embedded functional matter is at least one of plant seeds, a rooting agent, a soil sanitizer, a straw fermenting agent, potash fertilizer, phosphatic fertilizer, nitrogenous fertilizer and compound fertilizer. The prepared simulated soil cultivation medium body is low in weight, high in aperture ratio, good in hydrophilia and water retention performance and excellent in mechanical property, and can be applied to the fields of vertical greening, roof greening, urban landscaping, indoor greening, intelligent greening, slope restoration, gardens and horticulture, ecological remediation, ecological management, soilless culture and the like.
Owner:BEIJING KELINA NEW MATERIAL TECH CO LTD

Water-retention slow-releasing carbon-based compound fertilizer

The invention discloses water-retention slow-releasing carbon-based compound fertilizer and belongs to fertilizer used in agriculture and forestry production. The carbon-based compound fertilizer is prepared from the ingredients of nitrogenous fertilizer serving as the major ingredient, phosphatic fertilizer, potash fertilizer and trace elements in the fertilizer and filling powdered carbon. The preparing method comprises the following steps of: mixing the ingredients uniformly to serve as powder material or pelletizing the powder material of the mixed powder and bagging for supplying the market. According to the invention, agriculture and forestry plant waste and the like are carbonized for preparing carbon powder, so that the utilization of waste materials can be achieved, the income of farmers can be increased, and the environment can be protected. Most importantly, filler such as mountain flour is replaced by the carbon powder so that the efficacy of the fertilizer can be improved, significant process can be made, and an unexpected effect can be achieved. According to the invention, the basic one-water double-fertilizer requirement in agricultural production can be met. As the carbon powder has strong permeability and a moisture-feed circulative-absorbing water-retention function, oxygen in the fertilizer can be slowly released, the use ratio of the fertilizer is improved, and essential condition for plant growth is met.
Owner:郭庆华

Preparation method of water retention type proton exchange membrane for fuel cell

The invention discloses a preparation method of a water retention type proton exchange membrane for a fuel cell, including spraying a perfluorinated sulfonic acid resin solution on the surface of an expanded polytetrafluoroethylene micropore film; the method comprises the following steps: filling a perfluorinated sulfonic acid resin component and a silicon dioxide component into micropores of theexpanded polytetrafluoroethylene micropore film in an impregnating way; and controlling the exchanging thickness of a compound proton in a way of spraying the perfluorinated sulfonic acid resin component and the silicon dioxide component. The compound proton exchange membrane prepared by the method not only ensures the absorption capability of water but also reduces the total resistance of the compound proton exchange membrane because water retention components of silicon dioxide is distributed in a gradient way, has a water retention function, reduces the dependency of the proton exchange membrane fuel cell on a humidification system, can ensure the compound proton exchange membrane to normally work under a low-humidification environment, is easy to realize the large-scale production andhas uniform thickness, high humidity strength and good size stability.
Owner:SUNRISE POWER CO LTD

Novel seasoned flour product and preparation method thereof

The invention relates to a novel seasoned flour product and a preparation method thereof. The novel seasoned flour product is prepared from 25 parts of flour, 2-2.25 parts of edible salt, 0.1 part of an emulsifying agent, 0.0170-0.0196 part of a sweetening agent, 0.0152-0.0171 part of a preservative, 7.1-7.4 parts of softened water, 0.1 part of a compound water-retaining agent, 6.86-8.58 parts of edible oil, 0.102-0.103 part of a compound preservative, 0.0022 part of an antioxidant, 0.114 part of essence, 0.39 part of monosodium glutamate powder, 0.52 part of white granulated sugar, 0.248 part of natural flavor and 0.41 part of chili. The proportion of the edible salt in the novel seasoned flour product is reduced by 10-30%, so that the novel seasoned flour product is more healthy; furthermore, the proportion of the sweetening agent is reduced by 5-10%, so that the raw material consumption is reduced; the water retention and corrosion prevention functions of the novel seasoned flour product are also reduced due to the reduction of the proportion of the edible salt, so that the compound water-retaining agent is added into the novel seasoned flour product for improving the water retention function, and the compound preservative is added into the novel seasoned flour product for improving the corrosion prevention function; therefore, the total shelf life and best taste period of the product provided by the invention are prolonged.
Owner:漯河市平平食品有限责任公司

Hydrophobic thermal insulation and anti-cracking mortar for external wall and method for preparing same

The invention discloses a hydrophobic outer wall heat-preservation anti-cracking mortar and a method for making the same. The mortar takes cement and fine sand as base materials, and is formed through adding in hydrophobic active chemical substances, i.e. a water retention agent and corresponding agglomerant, an expansion agent and fiber; the waterproof function of the mortar is that the hydrophobic active chemical substances can be absorbed on the inner surface of the pore of cement mortar so as to form a hydrophobic surface film, thereby preventing outside moisture from infiltrating into the mortar and reaching the action of water proofing and leakage resistance. The hydrophobic outer wall heat-preservation anti-cracking mortar has the advantages of water proofing, cracking prevention, leakage resistance, heat preservation, heat insulation, excellent bonding property, high strength, low degree of shrinkage, low coefficient of thermal conductivity, ideal workability and application property and low fold ratio, and is a novel heat-preservation heat-insulation material. The heat-preservation heat-insulation building built by the mortar is not cold in winter and not hot in summer indoors, thereby greatly improving dwelling environment and saving energy resources; moreover, all indexes and particularly the hydrophobic index of the mortar are up to advanced domestic level, and have remarkable social benefit and economic benefit.
Owner:NANCHANG BOKANGTE BUILDING MATERIAL

Water retention type organic fertilizer prepared from swine waste and preparation method thereof

The invention relates to an agricultural organic fertilizer and the preparation method, belongs to the native swine waste processing technology field. The fertilizer comprises swine waste, polyacrylamide and denatured starch by the contents of 85-99%, 0.5-10% and 0.5-10%. The preparation process comprises: (1) adding EM inocula and water into swine waste, and mixing uniformly, wherein, the water content is 35-45%, and the using amount of the EMinocula is 0.1-0.2% of the swine waste by weight; (2) piling up the mixed material for decomposing the swine waste; (3) drying the decomposed swine waste by sun and crushing; (4) adding polyacrylamide and denatured starch into the swine waste according to the content requirement, and mixing uniformly; (5) pressuring the mixed material into granules by machine and obtaining the finished product. The organic fertilizer in the invention removes the stink of the native swine waste, kills the ovums such as pathogenic bacteria, enlarges the application range of the swine waste as organic fertilizer, facilitates transportation; and by adding the water retention material polyacrylamide and denatured starch, the invention enables the fertilizer to have water retention function which has the effects of drought resistance, seedling protection and growth promotion.
Owner:ANHUI JINNONG BIOLOGY TECH

Water-retaining slow-soluble fertilizer and preparation method thereof

The invention provides a water-retaining slow-soluble fertilizer and a preparation method thereof. The water-retaining slow-soluble fertilizer provided by the invention is composed of nutritional ingredients, a natural polymer with a water retention function and slow solubility and a modifier thereof. Further, the invention provides a preparation method of the water-retaining slow-soluble fertilizer. The method includes: mixing the nutritional ingredients, the natural polymer tamarind polysaccharide gum and the modifier thereof, and apatite by fusion, roller extrusion granulating, and drying and cooling to obtain a water-retaining slow-soluble fertilizer. The water-retaining slow-soluble fertilizer adopts a slow-soluble material with water-retaining property, thereby both being capable of keeping the moisture in soil to ensure sufficient moisture of a plant to promote the plant growth, and capable of being dissolved slowly to slowly release the nutritional ingredients so as to uniformly and stably release the fertilizer efficiency in the plant growth process. The water-retaining slow-soluble fertilizer is high in production efficiency, low in cost, easy to control the process and stable in controlled release, and can be compatible with crop growth rules to improve the utilization rate of the fertilizer.
Owner:辽宁营港锌硼酸科技开发有限公司

Water quality safeguard system and water quality safeguard method for drinking water reservoir

The invention provides a water quality safeguard system and a water quality safeguard method for a drinking water reservoir. According to the water quality safeguard system and the water quality safeguard method, an automatic water quality monitoring mechanism, a water inflow regulating and controlling mechanism, a reservoir area water ecology mechanism and a water outflow regulating and controlling mechanism are adopted to treat raw water which flows from a river channel into the reservoir. The water quality safeguard system and the water quality safeguard method, provided by the invention, have a wide application range, play a favorable role in water qualification and water quality safeguard of drinking water reservoirs in plain and mountain areas, have the advantages of high water quality safeguard property, good water qualification effect and high water supply safety, reflect the concepts of ecological preservation, low carbon, environmental protection and the like, have high economy, high practicability and wide applicability, are especially suitable to popularize and apply among drinking water reservoirs with unstable raw water quality, long water retention time, eutrophication risks, low water supply assurance rates and emergency water storage functions.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST

Water retention agent coating-type high-water-retentivity slow-release fertilizer and preparation method thereof

The invention discloses a water retention agent coating-type high-water-retentivity slow-release fertilizer which is prepared from attapulgite, phosphated polyvinyl alcohol, bentonite, gelatinized starch, a water-soluble ethylene unsaturated monomer, a water-soluble free-radical polymerization initiator, a composite crosslinking agent, a fertilizer and the like by a coating process. The product has the functions of slowly releasing the fertilizer, retaining and releasing water, improving the soil and the like, effectively enhances the fertilizer utilization ratio, reduces the fertilizer loss and insufficient crop nutrient supply due to single-dose application, effectively keeps the soil moisture, improves the soil structure and enhances the air permeability of the soil. The slow-release carrier adopts the mixture of the attapulgite, phosphated polyvinyl alcohol, bentonite and gelatinized starch; and the composite crosslinking agent is adopted to obviously enhance the water retention effect of the product. The water retention agent coating-type high-water-retentivity slow-release fertilizer has the advantage of low production cost, is ecological and environment-friendly, and is convenient for large-scale popularization and application.
Owner:QINGDAO WEIYUANDA TECH SERVICE CO LTD

Environment-friendly film-coated slow release fertilizer with low cost and water-retention function and preparation method thereof

The invention discloses an environment-friendly film-coated slow release fertilizer with low cost and a water-retention function and a preparation method thereof. The environment-friendly film-coated slow release fertilizer is characterized by containing the following materials in parts by weight: 20-30 parts of guar gum, 10-20 parts of acrylic acid, 20-30 parts of sodium alginate solution, 20-30 parts of borax solution, 1-2 parts of ammonium persulfate, 3-6 parts of N, N-methylene bisacrylamide, 2-3 parts of attapulgite, 15-25 parts of polyvinyl alcohol, 3-5 parts of starch, 25-35 parts of urea, 8-15 parts of potassium hydrogen phosphate and 50-100 parts of distilled water. The environment-friendly film-coated slow release fertilizer and the preparation method disclosed by the invention have the advantages that a water retention agent is added into crosslinking liquid, and then is sprayed onto fertilizer cores, so that the defect of easy falling of the water retention agent when the water retention agent is bonded on the fertilizer cores are overcome, and the water retention effect of the fertilizer is obvious; simultaneously, the crosslinking liquid also can realize the purpose of enhancing the water resistance of the fertilizer; and the guar gum is used as an inner coating film of the fertilizer, so that the cost of the fertilizer is reduced, and the slow release property and the water retention property are better.
Owner:严幸

Mountain slope ecological greening device with water storage and water retention functions

The invention belongs to the technical field of agriculture, and particularly relates to a mountain slope ecological greening device with water storage and water retention functions. The device comprises a slope greening planting plate, a plurality of green plant planting grooves are formed in the slope greening planting plate, and a plurality of irrigation permeable structures which are symmetrical along the center line of the slope greening planting plate are further arranged in the slope greening planting plate. By arranging a water storage pipe and a sponge soil water retention assembly, during rainfall or irrigation, water can penetrate through the slope greening planting plate through the irrigation permeable structure to enter soil below the slope greening planting plate, the rootsof green plants can absorb water conveniently, part of the water entering the water storage pipe stays in the water storage pipe for water storage, the other part of the water enters the sponge soil water retention assembly, the water retention effect is achieved through the sponge soil water retention assembly, the stored water can be utilized through the water storage pipe and the sponge soil water retention assembly when water shortage occurs, the survival rate of green plants is increased, and the good water storage and water retention effect is achieved.
Owner:HANGZHOU ZHONGYI ECOLOGICAL ENVIRONMENTAL ENG CO LTD
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