36results about How to "Rheological" patented technology

The invention belongs to the technical field of environment pollution treatment, and more specifically relates to a heavy metal-polluted soil repairing agent prepared by attapulgite. The attapulgite-based soil heavy metal repairing agent is obtained by steps of raw ore fragmentation, acidifying treatment, airing screening, roasting and soil heavy metal restoration. According to the attapulgite-based soil heavy metal repairing agent through acidifying and heat modification, attapulgite clay has characteristics of large specific surface area and high porosity amount due to sulfuric acid acidifying treatment of the attapulgite clay, activity and adsorptivity are increased, proportion of soluble heavy metals in the soil can be effectively reduced, soil heavy metal passivation effect can be reached, and soil heavy metal pollution can be remediated.

The invention belongs to the technical field of a fertilizer, and more specifically relates to an attapulgite-based fertilizer synergist having soil improvement effect. The attapulgite can use own surface activity, adsorptivity, catalysis performance, filtering effect, ion exchange effect, complexation effect and electrostatic interaction, a soil pH value can be adjusted by two items, and attapulgite can provides appropriate growth environment for crops. The attapulgite can change physical and chemical properties of the soil, reduces soil unit weight, promotes formation of a soil gel state, enhances soil permeability, absorbs harmful heavy metals in soil, and inhibits insect disease; beneficial elements in the soil can be converted through chelating effect, nutrition balance is reached, crop growth is cooperated, output is increased, and agricultural product quality is improved.

The invention discloses a modified double-liquid paste injection material and relates to soft stratum reinforcement of underground construction and anti-seepage water plugging paste injection. The modified double-liquid paste injection material comprises a liquid A and a liquid B, wherein the liquid A is sodium silicate which has a modus of 2.0-3.5 and a baume degree of 20-45Be'; the liquid B is modified cement slurry which consists of the following components in parts by weight: 500-900 parts of cement, 50-200 parts of zeolite powder, 50-300 parts of ore slag powder, 0-50 parts of phosphoricacid, 1-10 parts of a naphthalene water reducer and 700-1500 parts of water; when being used, the liquid A and the liquid B are uniformly mixed in a volume ratio of (0.5-1.5):1, and the modified double-liquid paste injection material is prepared. As a part of cement is replaced by the zeolite powder and the ore slag powder to react with the sodium silicate, the zeolite powder is of a micro porousstructure and is capable of improving the peaceability and the stability of the cement slurry, water energy adsorbed into pores of the zeolite powder can be released at a later hydration reaction stage, then a solid can be sufficiently hydrated, and the compactness and the strength can be improved.

The invention relates to a nitrogen-free high-calcium water-soluble fertilizer and a preparation method thereof. The nitrogen-free high-calcium water-soluble fertilizer is composed of 45-90 parts of water-soluble calcium source, 8-50 parts of deionized water, 1-10 parts of medium / trace element-containing nutrient substance, 0.1-2 parts of surfactant, 0.1-3 parts of dispersing agent and 0.1-3 partsof thixotropic agent. The preparation method comprises the following steps: adding the water-soluble calcium source into the deionized water, sequentially adding the medium / trace element-containing nutrient substance, surfactant, dispersing agent and thixotropic agent, and grinding by a colloid mill or planetary mill to obtain the nitrogen-free high-calcium water-soluble fertilizer. The suspension technique is utilized to prepare the uniform long-time stable nitrogen-free high-calcium water-soluble fertilizer. The nitrogen-free high-calcium water-soluble fertilizer can be used for plant leaves, flowers, stems, roots or other exposed parts of plants in a leaf spraying mode, drip irrigation mode or the like, and the calcium can be quickly absorbed and utilized by the crops. The invention overcomes the defects of poor water solubility and alkali solubility of some traditional calcium fertilizers, difficulty in utilizing the calcium source by the crops, product instability caused by poorsolubility and blockage of the irrigation and drip irrigation pipeline caused by calcium precipitate.

The invention belongs to the technical field of a fertilizer, and concretely relates to an attapulgite mixing fertilizer having slow release effect, the attapulgite mixing fertilizer is prepared by using attapulgite ore. The attapulgite can use own surface activity, adsorptivity, catalysis performance, filtering effect, ion exchange effect, complexation effect and electrostatic interaction, a soil pH value can be adjusted by two items, and attapulgite can provides appropriate growth environment for crops. The attapulgite can change physical and chemical properties of the soil, reduces soil unit weight, promotes formation of a soil gel state, enhances soil permeability, absorbs harmful heavy metals in the soil, and inhibits insect disease; beneficial elements in the soil can be converted through chelating effect, nutrition balance is reached, crops growth is cooperated, output is increased, and agricultural product quality is improved.

The invention discloses a high-temperature high-strength adhesive wear-resistant material and a preparation method thereof. The high-temperature high-strength adhesive wear-resistant material is composed of A and B components, and A component includes epoxy resin, nano filler fiber, toughening agent, hard filler, self-lubricating filler, metal carbide filler Material, aluminum powder, B component includes curing agent, thixotropic agent, silane coupling agent. The present invention covers the adhesive components of wear-resistant materials by using hard fillers with specific specifications to prevent the adhesive components from being directly eroded and peeled off by the erosion medium, and also adds nano filler fibers to ensure that the adhesive components can be Form a network structure to prevent the adhesive components from being eroded. At the same time, the formula also contains aluminum powder, which prevents static electricity accumulation while being anti-corrosion. The curing agent is dicyandiamide or 2‑ethyl‑4‑methylimidazole The material also has good adhesion and wear resistance at -60°C-250°C.

The invention belongs to the field of microbial pesticide preparation and provides a lipopeptid-kaolin composite biocontrol agent and a preparation method and an application thereof. The composite biocontrol agent is composed of lipopeptid, exfoliated kaolin and water, wherein mass percent of lipopeptid and exfoliated kaolin is 0.1wt% and 2wt% respectively. The preparation method of the lipopeptid-kaolin composite biocontrol agent comprises the following processes: (1) preparation of a lipopeptide powder; (2) preparation of exfoliated kaolin; and (3) acquisition of the lipopeptid-kaolin composite biocontrol agent. In the lipopeptid-kaolin composite biocontrol agent, stability of lipopeptide is enhanced by the combination of exfoliated kaolin and lipopeptide, action time of lipopeptide is prolonged, control efficiency of controlling tomato bacterial wilt is improved effectively, and plant growth of tomato is promoted. By the method, problems such as high production cost of lipopeptide, low output, poor stability, short effectiveness time, restricted effective development and utilization in the prior art are solved, and effects of a tomato bacterial wilt control agent prepared from the biological composite material are improved.

The invention discloses a normal-temperature high-strength adhesive wear-resistant material and a preparation method thereof. The high-strength adhesive wear-resistant material at room temperature is composed of A and B components, and A component includes epoxy resin, nano filler fiber, toughening agent, hard filler, self-lubricating filler, metal carbide filler Material, B component includes curing agent, thixotropic agent, silane coupling agent. The present invention covers the adhesive components of wear-resistant materials by using hard fillers with specific specifications to prevent the adhesive components from being directly eroded and peeled off by the erosion medium, and also adds nano filler fibers to ensure that the adhesive components can be Form a network structure to prevent the adhesive components from being eroded, so that the material has good wear resistance under normal temperature working conditions of -60°C-80°C.

The invention discloses a composition for weight loss, which comprises the following composition: polymer hydrogel containing polysaccharides and polycarboxylic acids and metal ions, the polymer hydrogel has at least 50 times swelling rate, and discloses the preparation method and its use in the preparation of medicines or health products.

The invention discloses okra polysaccharide healthcare jelly and a preparation method thereof. The okra polysaccharide healthcare jelly comprises the following components in parts by weight: 25-35 parts of an okra polysaccharide powder, 2-8 parts of isomaltose oligosaccharide, 0.4-0.9 part of carrageenan, 0.05-0.3 part of citric acid and 100 parts of water. The preparation method comprises the following steps: (1) selecting fresh okra; (2) performing digestion ultrasonic treatment; (3) filtering; (4) concentrating; (5) performing alcohol-precipitation centrifugation; (6) drying; (7) blending with gel; (8) packaging, and sterilizing. The okra polysaccharide healthcare jelly prepared by using the method disclosed by the invention is uniform and consistent in color, high in transparency, soft and moderate, free of bubble, smooth, fine, palatable and elastic in taste and high in nutrition value, in addition, addition types and amounts of food gum are reduced, the quality and nutrition healthcare values of products are ensured, and preparation processes are simplified.

The invention discloses seoiolite printing gum. The seoiolite printing gum is prepared from 1-90 parts by weight of sepiolite and 1-99 parts by weight of sodium alginate, totaling 100 parts by weight. The invention further discloses sepiolite printing paste. The sepiolite printing paste is prepared from the seoiolite printing gum, reactive brilliant blue KN-R, urea, sodium carbonate, a reserve salt S and water. The invention further discloses preparation methods and applications of the seoiolite printing gum and the sepiolite printing paste. The technology has a remarkable cost advantage and high product performance, and has contribution to enterprise environment protection.

The invention discloses a flexible pulverized coal foam concrete and a preparation method thereof, relating to concrete. The main components of this concrete include: (by weight percentage) cement, 10-15; coal powder, 35-65; medium coarse sand, 20-45; water, 3-4.5; , 1~1.5. The method of using the concrete to block the wall of the coal seam roadway is either a shotcrete method, a lining concrete method, or a concrete curtain grouting method. The invention obtains materials locally, makes full use of the pulverized coal accumulated in the roadway drilled underground, reduces the transportation and construction costs of supporting materials, improves the efficiency and progress of coal mine excavation, and has little impact on the dilution of coal products; the structure is impermeable Good performance, good sealing and integrity; can be widely used in gas displacement coalbed methane roadway wall sealing and anti-seepage in coal mines, and complex rock formations or other dynamic pressure roadways with characteristics of softness, expansion, rheology, etc. Surrounding rock support.