1715 results about "Suspending Agents" patented technology

The invention belongs to the technical field of enamel glaze preparation, and particularly relates to a high-temperature-resistant compact enamel glaze preparation method, which comprises: 1, enamel frit preparation: mixing 45-65% by mass of silicon dioxide, 10-15% by mass of anhydrous borax, 5-10% by mass of sodium carbonate, 2-6% by mass of lithium carbonate, 2-6% by mass of calcium carbonate, 2-6% by mass of strontium carbonate, and 3-6% by mass of ice crystal to form a batch, melting at 1300 DEG C for 2-3 hours, carrying out water quenching to prepare an enamel material, drying, and sieving with a 200-mesh sieve to obtain enamel frit powder; step 2, preparing enamel glaze slip, namely mixing and ball-milling 40-55% of enamel frit powder, 15-30% of 316 # stainless steel powder, 5.5-10% of clay suspending agent and 25-50% of water in percentage by mass to obtain the enamel glaze slip; and step 3, enamel coating and firing. The enamel coating has excellent high temperature resistance and corrosion resistance and long service life, and the preparation process is simple in requirement, simple and convenient to operate and suitable for industrial production.

The invention belongs to the field of pesticide preparations, and particularly relates to an oil suspending agent containing pleuromutilin and a preparation method of the oil suspending agent. According to the invention, by optimizing the formula, the obtained oil suspending agent can effectively prevent and treat bacterial diseases, the dosage form of the oil suspending agent is more beneficial to application to spraying method pesticide application, and the embodiment verifies that the prevention and treatment effect on the bacterial diseases can reach 90% or above under the condition that the concentration of pleuromutilin is 200PPM. In addition, according to a traditional method, an active compound is obtained through fermentation, and then the active compound is mixed with a corresponding solvent and an auxiliary agent to be processed into a dosage form, so that the cost is high, and great pollution is brought. The method provided by the invention not only meets the control requirements on bacterial diseases, but also saves the energy and power cost from the aspect of process, reduces the use of solvents, is more beneficial to environmental protection, and thus has great economic benefits, environmental benefits and ecological benefits.

The invention relates to the technical field of ceramics, and discloses a ceramic tile with a golden velvet texture and a recarved raw stone effect and a preparation method of the ceramic tile. The ceramic tile comprises a green body layer, a cover glaze layer, a pattern texture layer, a digital deep ink layer and a dry granular glaze layer which are sequentially arranged from bottom to top, the digital deep ink layer is composed of digital matte deep ink; the dry granular glaze layer is composed of dry granular glaze; a surface tension difference is formed between the digital matte deep ink and the dry granular glaze. By improving the digital matte deep ink, the digital matte deep ink can be combined with the dry granular glaze, and a matte three-dimensional non-collapse effect is formed on the glaze surface; the dry granular glaze is improved, so that the dry granular glaze has better physical properties; through the improvement of the suspending agent, the suspending agent can generate relatively strong combining capacity with dry particles, so that the dry particle glaze has relatively strong polarity, and can form enough repulsive force when being combined with digital matte deep ink with strong hydrophobicity, so as to form a finer and three-dimensional concave-convex fluctuating effect.

The invention relates to the technical field of daily chemicals, in particular to a hair repairing agent and application thereof. The shampoo is prepared from the following raw materials: a suspending agent, a surfactant, a hair conditioner, a solvent, a cleaning agent, a functional repairing agent, a preservative, an aromatic, a thickening agent and a humectant. Fibroin is degummed through bifidus yeast by adopting a biological fermentation technology to obtain a protein active matter with lower molecular weight, a fibroin derivative is rich in a large amount of amino acid, glycine, alanine and serine account for about 85% of the total composition, the fibroin derivative has very strong moisturizing performance, the extract can rapidly permeate into hair cores, and the effect of moisturizing the hair cores is achieved. The water bonding capability of hair is enhanced, naturally existing free amino acids and lost polypeptides are supplemented, the fiber structure of the hair is recombined, the strength, toughness and glossiness of the hair are enhanced, and branching and embrittlement are prevented.

According to the modified fiber mining filling material and the preparation method thereof provided by the invention, through a dual modification technology of plasma treatment and a silane coupling agent, the uniform dispersity of fibers in a cementing agent is enhanced, and the properties such as rapid hardening, early strength and compressive strength retention rate of the filling material are remarkably improved. The filling material comprises cement clinker, solid waste, a retarder, an early strength agent, modified fibers, an accelerator, gypsum, a water reducing agent, a suspending agent and other raw materials, the modified fibers are treated through specific steps, surface functional groups are increased, and the compatibility and binding power of the modified fibers and a cementing agent are improved. The filling material disclosed by the invention has the advantages of good transportability, simplicity and convenience in construction, low cost and environmental protection characteristic, conforms to the development trend of green mining industry, is particularly suitable for being applied to mine filling and supporting, and has wide application prospects and social and economic values.

The invention provides a coating for casting an alloy steel lost foam as well as a preparation method and application of the coating. The coating comprises the following raw materials in parts by weight: 79-89 parts of aggregate, 3-7 parts of a binder, 4-7 parts of a suspending agent, 1.5-3 parts of a surfactant, 1.5-2.5 parts of a defoaming agent and 1-1.5 parts of a preservative, the aggregate is prepared from the following components in percentage by mass: 78 to 82 weight percent of bauxite, 12 to 15 weight percent of mica and 3 to 10 weight percent of quartz powder; the binder is prepared from the following components in percentage by mass: 42 to 50 weight percent of anhydrous aluminum dihydrogen phosphate, 18 to 25 weight percent of white carbon black, 12 to 17 weight percent of ethylene glycol and 8 to 28 weight percent of magnesium oxide; the coating for casting the alloy steel evanescent mode keeps good suspension property, high-temperature air permeability, coating property, high-temperature crack resistance and shedding property of the coating, the surface of a casting is smooth and free of burnt-on sand, less harmful gas is volatilized during firing, and harmful gas generated by burning of a white mold can be absorbed.

The invention provides a salt-tolerant hydrophobic association polymer suspension emulsion and a preparation method and application thereof, and belongs to the technical field of oil and gas well fracturing, the suspension emulsion comprises the following components by weight: 40-50 parts of white oil, 4-6 parts of a suspending agent, 40-50 parts of hydrophobic association polymer powder, 5-10 parts of an emulsifier, 1-2 parts of a conditioning agent, and 0.1-0.2 part of a preservative. The preparation method comprises the following steps: adding the white oil into a reaction kettle, and starting stirring for 30 minutes; sequentially adding the suspending agent and the hydrophobic association polymer powder into the reaction kettle, and stirring for 30 minutes; after uniformly dispersing, adding an emulsifier, and stirring for 30 minutes; adding a conditioning agent, continuously and circularly stirring for 30 minutes, and then adding a preservative to obtain the hydrophobic association polymer suspension emulsion for fracturing. The suspension emulsion provided by the invention has the advantages of rapid dissolution and tackification and good salt tolerance, and meets the technical requirements of large-displacement hydraulic fracturing construction for continuous mixing by using flow-back fluid.

The invention relates to an injectable skin filler. The injectable skin filler comprises hydrophilic modified adhesive polyester microspheres, a suspending agent and a synergist, the mass ratio of the hydrophilic modified adhesive polyester microspheres to the suspending agent to the synergist is (1-5): 1: (0.1-2); the hydrophilic modified adhesive polyester microsphere is an amphiphilic polymer composite polyester microsphere, and the amphiphilic polymer is a catechol-terminated amphiphilic polymer. The invention further provides a preparation method of the injectable skin filling agent. Polyester microspheres are modified through the amphiphilic polymer terminated by catechol. The device can be widely applied to medical cosmetology.

The invention relates to the field of foaming materials, in particular to a low-solvent-residue expandable polystyrene material and a preparation method thereof. The expandable polystyrene material with low solvent residue comprises the following raw materials in percentage by weight: 0.35-0.45% of a free radical initiation system, 0.35-0.45% of S, S, S, S, S, S, S, S, S, S, S, S, S, S, S According to the present invention, the material comprises, by weight, 0.1-0.15% of S, S '-bis (alpha, alpha'-dimethyl-alpha ''-acetoxy) trithiocarbonate, 0.15-0.2% of ascorbic acid, 0.1-0.2% of a nucleating agent, 0.2-0.3% of a suspending agent, 0.001-0.003% of an emulsifier, 5-6% of a foaming agent, 0.15-0.25% of a plasticizer, 0.001-0.002% of hydroxyethyl cellulose, 0.05% of sodium phosphate, 0.1-0.2% of zinc stearate, and 0.1-0.2% of glyceryl stearate, the obtained material has low solvent residue, meets food safety requirements, and is suitable for food packaging.

The invention relates to a dazomet suspending agent preparation and a preparation method thereof, and dazomet accounts for 1-75% of the total weight of the preparation. Compared with the prior art, the operation steps of suction filtration, centrifugation, drying and the like in the dazomet raw medicine synthesis process can be omitted, the emission and treatment cost of three wastes is reduced, meanwhile, the application mode of modern facility agriculture is met, and the practical requirements of safety, environmental protection and use are met.

The invention discloses an insect-repelling environment-friendly sand-containing fog sealing layer and a preparation method thereof. The insect-repelling environment-friendly sand-containing fog sealing layer comprises the following components in parts by mass: 35-70 parts of asphalt; 30 to 70 parts of water; 2-8 parts of a composite emulsifier; 0.5 to 3 parts of a defoaming agent; 5 to 30 parts of acrylic ester; 0.1 to 1 part of a photoinitiator; 20 to 40 parts of a suspending agent; 20 to 45 parts of fine sand particles; 5 to 40 parts of insect-repelling environment-friendly microcapsules; a shell material of the insect-repelling environment-friendly microcapsule is a composite shell material containing silicon dioxide / nano tourmaline, and a core material of the insect-repelling environment-friendly microcapsule comprises one or more of a pyrethroid compound, a carboxylic ester compound, an amide compound and a plant extract; a metal chelate is loaded on the surface of the shell material. The insect-repelling environment-friendly sand-containing fog sealing layer has good pavement performance and insect-repelling performance, and can effectively inhibit the amount of pollutants generated when an asphalt pavement is exposed to high temperature and solarization.

The utility model discloses filling equipment for suspending agent production, which relates to the field of filling and comprises a frame, a limit disc is fixedly mounted on the frame, a plurality of extrusion blocks are slidably mounted on the upper end face of the limit disc, a rotary disc is rotatably mounted on the circumferential surface of the limit disc, the extrusion blocks are positioned inside the rotary disc, and the limit disc is fixedly mounted on the frame. A vertical rod is fixedly installed at the upper end of the extrusion block, a corresponding penetrating groove is formed in the upper end face of the rotary disc, the vertical rod is slidably installed in the penetrating groove, when the rotary disc rotates, the extrusion block can be driven to slide on the limiting disc, and when the rotary disc rotates, a hexagonal groove is formed in the center of the extrusion block or the extrusion block is in a closed state. In the using process, the rotating disc can be driven by the servo motor to rotate, the rotating disc drives the extrusion block to slide on the limiting disc at the same time, the noon position of the extrusion block can be changed in size in the sliding process, and therefore containers with different diameters can be coped with.

The invention relates to a bactericidal composition containing fluxapyroxad and thiediazole copper. The bacterial composition is compounded from fluxapyroxad and thiediazole copper in a binary mode, wherein a mass ratio of fluxapyroxad to thiediazole copper is (1-50) to (50-1); a mass fraction of fluxapyroxad and thiediazole in the preparation is 1%-80%, and the rest of the preparation is auxiliary components which are allowed to use and are acceptable in a pesticide. A dosage form of the bactericidal composition is missible oil, a suspending agent, wettable powder, a water dispersible granule, emulsion in water, microemulsion, a granule and a micro-capsule. The bactericidal composition is mainly used for controlling plant gray mold, peronospora and phytophthora germs.

The invention discloses a water-based zircon powder coating which comprises the following components in parts by weight: 100 parts of refractory aggregate, 4-10 parts of a binder, 2-5 parts of a dispersing agent, 2-8 parts of a suspending agent, 0.1-2 parts of a wetting agent, 1-4 parts of a defoaming agent, 1.5-3 parts of a coalescing agent and 10-30 parts of water, the refractory aggregate is zircon powder and comprises coarse powder and fine powder; the suspending agent comprises cellulose modified magnesium silicate and a component 2, and the component 2 comprises at least one of sodium bentonite, lithium bentonite and attapulgite. According to the water-based zircon powder coating disclosed by the invention, the density, the solid content and the like of the coating are maintained at a relatively high level while the water-based zircon powder coating has low viscosity, so that the coating establishment efficiency is effectively improved, and the one-time spraying thickness can reach 1.0-1.2 mm; the coating drying time is greatly shortened, and the working efficiency is improved; the coating is excellent in sand burning resistance and good in stripping performance, is used for casting production, especially large steel casting production, and greatly reduces casting defects and post-treatment workload.

The invention provides a preparation method and application of a mineral oral liquid containing fat-soluble vitamins, the fat-soluble vitamins are dissolved in an oil phase, then the oil phase is mixed with a water phase containing an emulsifier, and high-shear and high-pressure homogenization treatment is performed to obtain emulsified fat-soluble vitamins; dispersing the sweetening agent, the suspending aid, the pH regulator and the insoluble mineral substances to obtain a mixed solution; adding the emulsified fat-soluble vitamins and the flavor regulator into the mixed solution, adding water to a constant volume, and uniformly stirring to obtain a material solution; and canning the feed liquid, sealing, and sterilizing at high temperature to obtain the oral liquid. The fat-soluble vitamins in the oral liquid provided by the invention are small in particle size after being subjected to high-shear and high-pressure homogenization treatment, can tolerate high-temperature sterilization, is small in loss rate, good in dispersity and high in stability within the shelf life, and can maintain the actual content of the fat-soluble vitamins in the oral liquid and ensure the nutritional effect of the fat-soluble vitamins.

The invention relates to the technical field of suspending agent preparation, and discloses a macroelement water-soluble fertilizer suspending agent, which comprises macroelements, medium trace elements, a suspending agent and an auxiliary agent, and a preparation method of the macroelement water-soluble fertilizer suspending agent comprises the following steps of: preparing the macroelement water-soluble fertilizer suspending agent; the preparation method comprises the following steps: S1, raw material pretreatment, S2, macroelement dissolution, S3, medium trace element addition, S4, suspending agent and auxiliary agent addition, S5, fine treatment, and S6, packaging and storage, the stability of the suspending agent is significantly enhanced: a more stable suspension system is constructed by precisely adjusting the ratio of xanthan gum to the sodium carboxymethyl cellulose suspending agent, and the unique component proportion enables the fertilizer to have a better effect after the fertilizer is stored for 6 months. The nutrient precipitation rate can still be kept below 5%, the uniformity of the fertilizer in the storage and transportation process is effectively guaranteed, farmers do not need to worry about uneven fertilization caused by nutrient precipitation in the application process, it is guaranteed that crops can continuously and evenly absorb nutrients, and healthy growth is promoted.

The invention relates to the technical field of fertilizers, and discloses a rice sheath blight disease prevention fertilizer, which comprises a fertilizer, medium trace elements, an adhesion functional carrier, a functional additive, and a microbial agent or a bactericide, the fertilizer comprises a nitrogen-phosphorus-potassium compound fertilizer, an original fertilizer, calcium superphosphate and ammonium sulfate, wherein the original fertilizer comprises decomposed livestock and poultry manure, crop straw compost, bean cakes and rape seed cakes; the medium trace elements comprise boric acid, copper sulfate and borax; the microbial agent comprises a bacillus subtilis microbial agent and a trichoderma harzianum microbial agent; the bactericide comprises validamycin wettable powder, a thifluzamide suspending agent and a tebuconazole emulsion in water. Through the components of the fertilizer, the occurrence rate of rice sheath blight disease can be remarkably reduced, the yield and quality of rice can be improved, the microbial agent can increase the number and activity of beneficial microorganisms in soil, the soil structure and fertility are improved, and the yield and quality of rice are improved. A good soil condition is created for rice growth, so that the rice has a better resistance effect.

The utility model relates to the technical field of grinding processing of suspending agents, in particular to a grinding machine for preparing pesticide suspending agents, which improves the processing treatment convenience of large suspending agents, improves the processing treatment efficiency, facilitates the re-grinding treatment of large unqualified suspending agents and improves the use convenience. Comprising a barrel and a feeding hopper which is arranged on the upper portion of the outer side wall of the barrel in a communicating mode. The grinding device further comprises a treatment device, a driving device, a lifting device, a guide rail, a lower grinding wheel and an upper grinding wheel, the guide rail is installed on the inner side wall of the barrel, the lower grinding wheel is rotatably installed on the guide rail, and the treatment device is arranged in the barrel and used for driving the lower grinding wheel to rotate anticlockwise and screening the ground suspending agent. The upper grinding wheel is installed on the upper portion in the barrel in a clockwise rotating mode through the driving device, the driving device is used for driving the upper grinding wheel to vibrate up and down, and the lifting device is arranged on the barrel and used for backflow conveying of a suspending agent.

The invention belongs to the technical field of oil exploitation of low-permeability reservoirs, and provides a self-suspending proppant as well as a preparation method and application thereof. The self-suspending proppant is prepared on line through a fracturing well site. The method comprises the following steps: mixing a binder with a suspending agent, and heating to obtain a suspension; and injecting the turbid liquid into an auger of a fracturing blender truck and mixing the turbid liquid with aggregate to obtain the self-suspending proppant. According to the self-suspending proppant, the suspending agent is attached to the outer portion of aggregate through the bonding effect of the bonding agent, after the self-suspending proppant makes contact with water, the suspending agent and the bonding agent are gradually dissolved, the water phase viscosity is increased, and shaft friction resistance increase caused by rapid viscosity increasing of the suspending agent and degradation caused by high-speed shearing of the suspending agent are avoided; the on-line preparation method can reach the farther end of the crack, can effectively improve the laying of the proppant in the transverse direction and the longitudinal direction of the crack, and can greatly reduce the preparation and use cost of the self-suspension proppant.

The invention relates to the technical field of pesticides, and provides a suspending agent as well as a preparation method and application thereof. Based on the mass content of the suspending agent being 100%, the suspending agent comprises 1%-50% of an active component, 3%-15% of tannic acid modified nano-silica, 3%-10% of an emulsifying dispersant, 2%-10% of a film-forming agent and 20%-60% of water. The tannic acid modified nano silicon dioxide is added into the suspending agent, so that the antioxidation and antibacterial properties of the suspending agent are effectively improved, the adhesion property of the suspending agent is improved, the spreading uniformity of active components on plant surfaces is improved, the prevention and control effect of the suspending agent on diseases and insect pests is improved, and the dosage of the film-forming agent is reduced; when the suspending agent is applied to the plant surface, the water permeability and the air permeability of the plant surface are improved.

The present invention relates to an aluminum oxide CMP polishing solution for a SIC substrate and a preparation method therefor. The polishing solution comprises the following raw materials in parts by weight: 8-10 parts of aluminum oxide powder, 8-10 parts of a suspending agent, 8.5-10 parts of a dispersant, 4-5 parts of a pH regulator, 5-6 parts of an oxidizing agent, 4-5 parts of a defoamer, and 75-80 parts of deionized water. The dispersant is one or a mixture of fatty alcohol ether phosphate, fatty alcohol ether phosphate potassium salt, isotridecyl phosphate, polyethylene glycol stearate, polyethylene glycol monolaurate, and polyethylene glycol monooleate. In the present invention, full dispersion and stable suspension of aluminum oxide micropowder can be achieved without any agglomeration, such that abnormal scratches can be prevented from being generated in a grinding process and then affecting the polishing quality; in addition, the use of an alkaline polishing solution can effectively protect devices from damage, prolong the service life of the devices, and increase the machining precision.

The underwater anti-dispersion additive is prepared from the following components in parts by weight: 30 to 50 parts of a water-resistant dispersing agent, 20 to 25 parts of a water reducing agent, 20 to 25 parts of a suspending agent, 5 to 10 parts of a plastic expanding agent, 25 to 30 parts of a coagulating agent, 40 to 60 parts of sodium carbonate and 25 to 30 parts of a de-foaming agent. The grouting material is composed of the following components in parts by weight: 1000 parts of PO425 ordinary Portland cement, 5-10 parts of an underwater anti-dispersion additive and 400 parts of water. The prepared anti-dispersion cement-based grouting material has the advantages of early strength, no shrinkage, slight expansion, impermeability and high durability, is suitable for the field of underground buildings, and has a wide application prospect.

The utility model discloses a grinding device for producing an oil suspending agent, which comprises a rack, a grinding bin assembled on the rack and divided into an outer sleeve and a central rotating cylinder driven to rotate, and the outer sleeve is provided with a discharge port; a grinding hopper is fixedly arranged at the bottom end of the central rotary cylinder, and a plurality of filtering holes are formed in the grinding hopper; the end part of an output shaft of the driving motor is fixedly provided with a grinding hammer which extends into the grinding hopper. According to the grinding device for oil suspending agent production, through the design of the grinding hopper, raw materials move upwards along the side wall of the grinding hopper under the action of centrifugal force, raw material particles with small particle size and light weight enter the discharging channel through the filtering holes firstly, the screening effect is achieved, and the raw material particles with large particle size and light weight enter the discharging channel; and raw material particles with heavy weight stay at the bottom of the grinding hopper and are crushed and ground by the grinding hammer without being matched with a lifting device, so that the grinding device is relatively convenient.

The invention discloses a grouting reinforcement material as well as a preparation method and application thereof, and relates to the technical field of mine grouting reinforcement materials. The grouting reinforcement material comprises the following components in percentage by mass: 85%-97% of an inorganic material and 3%-15% of an organic material, wherein the total mass fraction of the grouting reinforcement material is 100%; the organic materials comprise a water reducing agent, a suspending agent, a defoaming agent, a waterproof agent, an air entraining agent, an adhesive and water-absorbent resin; the inorganic material comprises a hydraulic cementing material, an expanding agent, an early strength agent and a rheological agent. When the grouting reinforcement material is used for reinforcing the soft rock roadway, the crack resistance, the water-proof and seepage-proof performance and the self-repairing performance of the grouting reinforcement material are good.

The invention belongs to the technical field of pesticide suspending agents, and particularly discloses a micro-capsule suspension-suspending agent containing chlorine fluorine and clothianidin and a preparation method of the micro-capsule suspension-suspending agent. The microcapsule suspension-suspending agent is prepared from the following raw materials: 11 to 13 percent of lambda-cyhalothrin, 12 to 14 percent of clothianidin, 9.20 to 9.60 percent of a solvent, 3.25 to 3.45 percent of a wall material I, 0.35 to 0.50 percent of protective glue, 2.13 to 2.33 percent of an emulsifier, 1.24 to 1.45 percent of a dispersing agent I, 0.24 to 0.45 percent of a wall material II, 3.90 to 4.10 percent of a dispersing agent II, 2.92 to 3.12 percent of an anti-freezing agent, 0.03 to 0.07 percent of a thickening agent I, 0.45 to 0.55 percent of a thickening agent II, 0.46 to 0.52 percent of a preservative and the balance of water. The microcapsule suspension-suspending agent prepared in the invention has good stability in the storage process, the slow release of effective components is controlled, and the lasting period is prolonged.

The invention discloses a flue gas water-based three-phase foam system and a profile control method, the flue gas water-based three-phase foam system comprises dispersed-phase gas, suspended-phase solid particles and continuous-phase liquid, the liquid comprises the following components in percentage by weight: 0.5-2.0 wt% of a foaming agent, 0.05-0.5 wt% of a stabilizer, 0.05-0.2 wt% of a thickening agent, 0.1-0.8 wt% of a suspending agent, 0.3-1.0 wt% of inorganic salt and the balance of liquid preparation water; the gas comprises flue gas or mixed gas of one or at least two of nitrogen, natural gas, carbon dioxide, air and flue gas and the flue gas; the solid particles comprise one or a mixture of at least two of silicon dioxide particles, montmorillonite particles, bentonite particles, kaolin particles and fly ash particles, and the particle sizes of the solid particles are from nanometer to micrometer. According to the method, the flue gas discharged by the steam-injection boiler is captured and treated and then is injected into the stratum together with the water-based three-phase foam system and the steam segmented plug according to a certain proportion to assist in steam recovery of the thickened oil, so that the recovery rate of the thickened oil can be increased, the emission of greenhouse gases can be reduced, the capture, storage and utilization of CO2 can be realized, and the environmental protection situation requirements of carbon peak reaching and green development are met.

The invention provides a cast iron sand mold coating and a preparation method thereof, and relates to the field of casting sand mold coatings. The cast iron sand mold coating is composed of the following raw materials: a fireproof filler, a liquid carrier, a suspending agent, a binder and an auxiliary agent. The raw materials comprise, by weight, 65-70% of the fireproof filler, 19-25% of the liquid carrier, 2-4% of the suspending agent, 4.4-5.5% of the binder and 2.4-3% of the auxiliary agent; the refractory filler is composed of magnesia powder, zircon powder and graphite powder; the magnesia powder is composed of light magnesia powder and heavy magnesia powder. According to the cast iron sand mold coating and the preparation method thereof, the problems that an existing shielding type coating is thin in anti-sulfuration coating thickness, poor in anti-sulfuration coating stability, general in anti-sulfuration effect and large in gas forming amount can be effectively solved, poor spheroidization and casting defects of castings are effectively avoided, the production cost is reduced, and the stability of the castings is improved.

The invention belongs to the technical field of plant growth regulators, and particularly relates to a composition for flower and fruit thinning of apple trees, a suspending agent and application of the composition and the suspending agent. The flower and fruit thinning composition for apple trees provided by the invention comprises naphthylacetic acid and 6-benayl aminopurine, wherein the mass ratio of the naphthylacetic acid to the 6-benayl aminopurine is 1: (6.25-7). By compounding naphthylacetic acid and 6-benayl aminopurine in a specific proportion, the fruit and flower thinning effect is achieved, and in the early growth stage of apple trees, the flowering number can be reduced, the fruit number can be reduced, the fruit setting rate can be increased, sufficient nutrition can be guaranteed, the yield can be increased, and the fruit economic benefits can be increased.

The utility model belongs to the technical field of pesticide preparation devices, and particularly relates to a pre-smashing device for pesticide suspending agent production, which comprises a smashing box, a smashing mechanism and a vibration screening mechanism, the smashing box is provided with a feeding port and a discharging port, and the smashing mechanism comprises a smashing motor and two smashing rollers. The vibrating screening mechanism comprises a screen frame assembly, a driving assembly and a guiding assembly, the screen frame assembly comprises a frame body and a connecting base, a perforated plate is arranged at the bottom of the frame body, inserting blocks are arranged on the left side and the right side of the frame body, a screw rod is hinged to the top of the side wall of the frame body, the connecting base comprises two baffles and a plurality of connecting rods, and inserting grooves are formed in the inner sides of the two baffles. Mounting holes are formed in the tops of the two baffles, rolling wheels are arranged below the connecting base, the driving assembly is used for driving the screen frame assembly to move up and down, and the guiding assembly is used for guiding the screen frame assembly to move up and down. According to the device, powdery active ingredients can be pre-crushed, and part of unqualified particles which are not thoroughly crushed can be screened out.

The utility model discloses microcapsule suspending agent production equipment, which relates to the technical field of microcapsule suspending agent production and comprises a support frame, a reaction unit arranged on the top surface of the support frame, a feeding unit arranged on the top surface of the reaction unit and an adjusting unit arranged on the top surface of the reaction unit, a stirring unit is arranged on the top surface of the reaction unit, the reaction unit comprises a reaction tank and a solid-liquid separation unit, the reaction tank is fixedly connected to the inner side of the top surface of the supporting frame, the solid-liquid separation unit is fixedly connected to the interior of the reaction tank, and the solid-liquid separation unit comprises a mounting block; the mounting block is fixedly connected to the inner side of the reaction tank, and an inner groove is formed in the inner side of the mounting block. Through the arrangement of the filter screen I and the filter screen II, the effect of conveniently filtering solids in the production process of the microcapsule suspending agent is achieved, and meanwhile through the arrangement of the mounting block, the inner groove, the positioning block and the handle, the effect of conveniently detaching and cleaning the filter screen I and the filter screen II is achieved.