65results about How to "Good Colloidal Properties" patented technology

The invention relates to a stainless steel water meter shell which is cast by using a lost foam process. The fireproof paint of the lost foam comprises 15 parts of zirconite powder, 15 parts of ferrochromium powder, 12 parts of pyrophillite powder, 10 parts of bauxite, 5 parts of magnesium powder, 5 parts of limestone powder, 4 parts of brown emery powder, 1 part of white emery powder, 2.5 parts of lithium-base bentonite, 2 parts of carboxymethyl cellulose, 1 part of palygorskite, 2 parts of sodium silicate, 2 parts of aluminum sulfate, 1.5 parts of VAE (Vinyl Acetateethylene Emulsion), 0.6 part of n-butyl alcohol, 0.2 part of n-caprylic alcohol and 25 parts of water; an energy converter intubation tube with internal and external threads is arranged inside an inclined tube of the water meter shell; and after being inserted, an energy converter is not directly contacted with a water fluid, so that the service life of the energy converter is prolonged and the stainless steel water meter shell has a wide application prospect.

The invention relates to a wear-resistant heat preservation ceramic composite material which belongs to the field of materials and comprises primary materials and auxiliary materials according to weight percentage. The primary materials comprise corundum, chromic oxide, limestone, silicon dioxide, high alumina clay, silicate or calcium aluminate cement; the auxiliary materials comprise perlite powder, magnesia, quartz sand component, titanium oxide, dolomite, attapulgite, high temperature caking agent, composite strengthening agent, feldspar, and short carbon fiber component. The wear-resistant heat preservation ceramic composite material has the advantages of high intensity, being suitable for the strong eroding of various mediums, strong adhesive attraction, as well as excellent wear resistance and heat preservation performance. The wear-resistant heat preservation ceramic composite material has small coefficient of heat conduction, high melting point, and low linear expansibility. The integral performance is stable; the acid resistance, the alkali resistance and the erosion-proof capacity are strong; the density is small; a seamless integral wear-resistant heat preservation layer is formed after solidifying; the performance is extremely excellent; moreover, the wear-resistant heat preservation ceramic composite material is not easy to fall off, can effectively prolong the service lives of devices and pipelines, is convenient to be constructed, is used inside the pipelines, has the double effects of wear resistance and heat preservation, greatly reduces the production cost of enterprises, and improves the economic benefits 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.

The invention belongs to the field of preparation of nano-materials and inorganic nonmetallic materials, concretely relates to a preparation method of an ultraviolet rejection attapulgite material, and concretely discloses a method for supporting nanometer titanium dioxide and nanometer zinc oxide on the surface of attapulgite. The method comprises the following steps: adding an aqueous solution of a titanium salt into an aqueous alkali, reacting, filtering, and washing to prepare a titanium dioxide hydrate filter cake; and adding the titanium dioxide hydrate filter cake into an attapulgite suspension, carrying out a heat insulation reaction, adding zinc metamolybdate to the pH value of the obtained system of 6.0-7.5, filtering, washing, drying the obtained filter cake, and carrying out heat treatment at a high temperature to prepare the ultraviolet rejection attapulgite material.

The invention relates to a water adsorption material, particularly relates to an acid heat treatment attapulgite water quality purifying agent. Attapulgite has a special fibrous structure, unusual colloid and adsorption performance, is wide in application field and has good reputation of earth king. The attapulgite clay has a special chained crystal structure, good colloid properties such as unique dispersion, water absorption and salt and alkali resistance and relatively high adsorption decoloring capacity and has good plasticity and adhesion performance, thereby being widely applied in various industries such as petroleum, chemical industry, building materials, papermaking, medicine, agriculture, environmental protection, printing and articles for daily use. Since the attapulgite crystal fibers are slender, internally porous, large in specific surface area and good in selection adsorption performance, the attapulgite is widely applied to the fields such as chemical industry, agriculture, food, medicine and environmental protection. At present, the attapulgite is widely used for the sewage treatment and particularly used for treating the waste water in printing and dyeing mills and tanneries, and the treated sewage can reach the national emission standard.

High-performance organic rectorite used for oil-based drilling fluids is disclosed and comprises rectorite and a quaternary ammonium salt. The organic rectorite comprises 65-75 parts by weight of the rectorite and 25-35 parts by weight of the quaternary ammonium salt. A producing method of the organic rectorite includes A) grading the rectorite, or grading and purifying the rectorite, B) performing sodium modification / lithiation pretreatment, C) performing an organification reaction on the quaternary ammonium salt, D) filtering and washing, and E) ageing, drying and smashing. The organic rectorite is advantageous in that the graded and purified rectorite raw material and the quaternary ammonium salt with a long chain are adopted as main components, and the maximum allowed adding amount of the quaternary ammonium salt is greatly increased. By steps of sodium modification / lithiation composite modification pretreatment, high-temperature wet organification, washing, filtration, ageing, drying, smashing, and the like, comprehensive properties of the organic rectorite can be better and stabler, a disadvantage that cation exchange capacity of the rectorite is insufficient is overcome, and characteristics of the organic rectorite such as good colloidality and excellent high-temperature stability are fully exerted.

The invention provides polyphenol nutrition-enhanced bean curd and a preparation method of protein gel induced by TG enzyme. The preparation method comprises the following steps: step 1, dispersing soybean protein isolate into water and forming a soybean protein isolate solution under a stirring condition; step 2, adding epigallocatechin gallate into the soybean protein isolate solution; uniformlydispersing the epigallocatechin gallate into the soybean protein isolate solution under the stirring condition; then standing for 1.5-2.5h to obtain a mixed solution; and step 3, putting the mixed solution into a water bath at 85-95 DEG C and heating; after cooling, adding the TG enzyme; then putting the mixture into a water bath at 38-42 DEG C and keeping the heat for 1.5-2.5h to obtain the protein gel; after carrying out enzyme inactivation, obtaining the polyphenol nutrition-enhanced bean curd. According to the polyphenol nutrition-enhanced bean curd prepared by the invention, a product has a smoother and more compact mouth feel than traditional bean curd; meanwhile, the polyphenol nutrition-enhanced bean curd is rich in polyphenol substances and has good functions of resisting oxidization, removing free radicals and the like.

The invention provides a modified attapulgite clay composite artificial stone material and a production method thereof. The stone material is produced from a component, namely, modified attapulgite clay, by using a method comprising the following steps: modifying high-viscosity attapulgite clay by using a silane coupling agent, and mixing the modified attapulgite clay with structure slurry so as to obtain modified attapulgite clay composite structure slurry; preparing a color slurry material, a surface layer slurry material and a middle layer slurry material; and sufficiently spraying the surface layer slurry material on the surface of a mold to be colored according to a color ratio, after the coloring is accomplished, uniformly spraying the middle slurry layer on the surface of a surface color layer, further casting the modified attapulgite clay composite structure slurry inside the mold, and shaping, steaming, cultivating and maintaining so as to obtain the composite artificial stone material. The artificial stone material has good stability, strength, crack resistance and saltpetering resistance, and moreover the production period of the artificial stone material is shortened, the production efficiency is improved, and the production cost is lowered.

The invention discloses a nano attapulgite / nano ferrite composite material and a preparation method thereof, belonging to the field of nano composite materials. The nano attapulgite / nano ferrite composite material comprises the components by weight: 20-50% of nano attapulgite and 50-80% of nano ferrite. The preparation method comprises the steps of: firstly, preparing nano ferrite raw powder by a coprecipitation method; and then adding the obtained nano-ferrite raw powder into a nano attapulgite water solution, dispersing, washing, drying and roasting. The nano attapulgite exists in the composite material, so that the dispersing performance and the stability of the nano ferrite can be improved, and the roasted nano ferrite crystal particles are good in dispersity and even in particle size.

The invention discloses a preparation method of modified attapulgite clay for drilling fluid. According to the invention, attapulgite clay is used as a raw material and a magnesium-containing substance is used as a modifier. By the adoption of a semi-dry production technology, the preparation method contains the following steps of: crushing clay mineral, adding the modifier for mixing, extruding, pulping, sieving, dehydrating, drying, crushing and packaging. The product provided by the invention can meet requirements of various geological drilling, geothermal drilling and petroleum drilling, and is especially applicable to inland saliferous strata drilling, offshore drilling and ultra-deep drilling.

A peptide-coated nanoparticle that includes a nanocrystal core surrounded by a graded shell that is composed of at least two different semiconductor molecules. At least one peptide is attached to the surface of the graded shell to render the nanoparticle biocompatible. The nanocrystal core and graded shell are optionally annealed with ultra violet radiation prior to and / or after attachment of the peptide(s).

The invention provides epoxy type elastic concrete and a preparation method thereof. The epoxy type elastic concrete is formed by mixing a component A with a component B and a component C in the mass ratio of the component A to the component B to the component C being 2 to 1 to (2.5-3.5), wherein the component A consists of bisphenol A type epoxy resin, a diluent, a flexibilizer and a coupling agent; the component B consists of a modified polyamine curing agent, and a phenolic aldehyde acidamide curing agent; and the component C consists of rubber granules and rubber powder. The epoxy type elastic concrete can be rapidly mounted, after normal construction, early strengthening can be achieved after two hours, and normal traffic can be restored rapidly; the elastic concrete is made from an epoxy resin type gel coagulation material and good in bonding strength; the elastic concrete contains rubber components, is good in elasticity, and is excellent in properties of abrasion resistance, vibration absorption, noise reduction, sound attenuation and the like; the elastic concrete is watertight, is resistant to frost thawing circulation, and does not form holes. The epoxy type elastic concrete can be widely applied in the fields of perfusion of bridge expansion seams, peripheries of tramcar tracks, railway switches and the like.

The invention provides a preparation method of emulsion having whitening and moisturizing effects. The preparation method comprises the following steps: (1) weighing hydrogenated soybean oil, and heating to 75 to 85 DEG C, thus obtaining a liquid-state oil phase I; (2) weighing arbutin, ascorbyl glucoside and nicotinamide in proportion, and mixing the three substances, thus obtaining a composite whitening active substance; (3) adding the composite whitening active substance into the liquid-state oil phase I in proportion, and uniformly mixing, thus obtaining a liquid-state oil phase II; (4) weighing algal polysaccharide enzymatic hydrolysate, phospholipid and distilled water in proportion, heating to 75 to 85 DEG C, and uniformly mixing, thus obtaining a liquid-state water phase; (5) weighing the liquid-state oil phase II, the liquid-state water phase and tea polyphenol in proportion, and uniformly mixing and stirring, thus obtaining a mixed solution; carrying out high-pressure homogenization on the mixed solution, thus obtaining nano-emulsion; cooling the obtained nano-emulsion to room temperature, and adding an appropriate amount of a preservative, thus obtaining the emulsion having the whitening and moisturizing effects. The emulsion prepared by the invention has the whitening and moisturizing effects and has good stability.

The invention discloses a method for restoration of black and odorous water in small watershed. The method comprises 1) taking diatomite, steel slag and attapulgite and respectively modifying them to obtain modified diatomite, steel slag and attapulgite, 2) uniformly mixing the modified diatomite, steel slag and attapulgite according to a weight ratio of 6 to 12: 2: 2 to 5 and then carrying out granulation to obtain a composite adsorption material, and 3) adding the composite adsorption material into black and odorous water to adsorb and remove blackening and odorous pollutants in the black and odorous water, wherein a use ratio of the composite adsorption material is 5-15 g / L. The composite adsorption material can adsorb the blackening and odorous pollutants in the black and odorous water, has good treatment effects, has an NH3-N removal rate of 50% or more, reduces re-pollution, and can be used for a long time. The composite adsorption material reduces a cost and has the advantages of solid waste recycling, energy saving and environmental protection.

The invention discloses an air purification composition containing diatom pure negative ion particles and a preparation method of the air purification composition, and belongs to the technical field of air purification. The air purification composition comprises a first component and a second component, the first component comprises the following raw material components in parts by weight: 35-45 parts of diatomite, 15-20 parts of tourmaline and 6-9 parts of a nano photocatalyst; the second component comprises the following raw material components in parts by weight: 6-9 parts of a photocatalyst, 5-8 parts of a CLO purification factor, 20-25 parts of sepiolite powder, 35-45 parts of attapulgite and 20-25 parts of diatomite; and the mass ratio of the first component to the second component is (3-4):1. The air purification composition has the functions of adsorbing and decomposing harmful substances in the air, does not easily reaches an adsorption saturation state, can be repeatedly used, and cannot generate secondary pollution; and a small particle bagging device adopted in the preparation method is easy to operate and control and convenient to apply, and materials can be effectively prevented from leaking during filling.

The invention discloses a production method of an attapulgite suspending agent. The production method comprises the following steps: S1, purifying attapulgite: weighing the attapulgite, adding pure water, and precasting the attapulgite into slurry by using a slurry producing machine; adding proper amount of a dispersing agent, putting the attapulgite which is precast into the slurry into a sealedcontainer, and sufficiently dispersing the attapulgite with ultrasonic wave; washing with water, and drying for purifying; S2, modifying the attapulgite: adding proper amount of 8 percent sodium hydroxide solution into the pure attapulgite obtained in the S1, putting a mixture on an oscillator, oscillating for 2 hours, and dropwise adding an ethanol solution while oscillating; centrifuging the modified solution, washing out the modified solution with pure water, putting a centrifugal product into a baking oven for drying, grinding and passing through a sieve with 200 meshes to obtain modifiedattapulgite; S3, preparing the attapulgite suspending agent: sufficiently mixing the attapulgite modified in the S2 with an emulsifier, a defoaming agent and a pH modifier, and sufficiently grinding and filtering a mixture with the sieve with 200 meshes, thereby obtaining the attapulgite suspending agent.

The invention provides a production method and applications of high-quality xanthan gum. The xanthan gum is obtained by fermenting xanthomonas axonopodis, the optimal technological conditions for fermentation production are as follows: glucose is 30g.L<-1>, soybean cake powder is 30 g.L<-1>, KH2PO4 is 2 g.L<-1>,the liquid volume is 50mL / 250mL, the initial pH value is 9.0, the inoculum size is 8%, and the fermentation time lasts for 72h. The content of pyruvic acid in the produced high-quality xanthan gum is up to 15-20%, and the content of protein is only 3-5%. The growing period of the strain is shortened, and the stable stage is prolonged, so that the yield of xanthan gum is greatly increased; and furthermore, the content of pyruvic acid in the xanthan gum is greatly increased, the content of protein is decreased, the colloid performance of the xanthan gum can be remarkably improved, and the high-quality xanthan gum can be obtained. The xanthan gum has good application effects in food.

The invention discloses a double-effect application of amino acid as a soil phosphorus release agent and a plant nitrogen fertilizer. An amino acid fertilizer capable of releasing soil phosphorus elements and simultaneously providing plant nitrogen fertilizers is prepared according to the application. The amino acid can be natural amino acid or proteolysis hydrolysate or artificially synthesized amino acid. The amino acid can be directly used as phosphorus release organic fertilizers and can also be matched with inorganic fertilizers to produce double-effect composite fertilizers. Pot cultureor field fertilizer effect experiments of corn, rice and vegetables all prove that the amino acid has the function of double-effect fertilizers, can be used as efficient nitrogen fertilizers and can also simultaneously replace phosphorus fertilizers, the absorption of crops on the phosphorus in the soil can be promoted, the phosphorus fertilizers are reduced or are not applied, and the phosphorusore resource exhausted crisis is greatly relieved.

The invention provides a composition with the function of relieving diarrhea and a preparing method and application thereof. The composition contains macromolecule glue and a polymer, and is suitablefor tumor-associated diarrhea, antibiotic-and-drug therapeutic diarrhea, intestinal inflammation disease diarrhea, diabetic diarrhea, irritable bowel syndrome diarrhea, persistent diarrhea, chronic diarrhea, viral or bacterial infection diarrhea, and enteral nutrition intolerance diarrhea and alternating diarrhea and constipation of critically-ill patients. The composition can be applied to patients through nasal feeding and oral administration, can be used for both children and adults, has two-way regulation effects on diarrhea and constipation, and can be taken for a long term.

The invention belongs to the technical field of composite fertilizer granulating agents and provides a natural composite fertilizer granulating agent, prepared from, by weight, 15-35 parts of sodium alginate powder, 20-30 parts of buckwheat starch, 6-18 parts of attapulgite clay, and 19-38 parts of water. The natural composite fertilizer granulating agent provides good adhesion for raw materials of a composite fertilizer during composite fertilizer granulating, and the prepared fertilizer granules have high strength.

The invention discloses a nano flame-resistant concrete protective coating and a preparation method thereof, and the protective coating comprises the following components in parts by weight: 55-75 parts of a modified nano silica sol emulsion, 8-10 parts of attapulgite whiskers, 3-5 parts of a Schiff base modified graphene compound, 0.2-0.5 part of a wetting dispersant, 0.2-0.5 part of a thickening agent, 0.2-0.5 part of a defoaming agent, 1-3 parts of a leveling agent. and 25 to 35 parts of deionized water. The preparation method comprises the following steps: mixing the modified nano silica sol emulsion, the attapulgite whisker and the Schiff base modified graphene compound according to the formula of the protective coating, and stirring and dispersing at a high speed for 30-60 minutes by adopting a high-speed dispersion machine; adding the rest wetting dispersant, a thickening agent, a defoaming agent, a flatting agent and deionized water into the protective coating formula; and adjusting the state of the high-speed dispersion machine to medium-speed stirring dispersion, continuously stirring uniformly, filtering and packaging. The protective coating provided by the invention has good physical and chemical properties such as alkali resistance, water resistance, weather resistance, adhesive force, fire resistance and the like.

The invention discloses an environment-friendly type seed coating film-forming agent and a preparation method thereof. The film-forming agent consists of 0.1-1.8% of attapulgite, 0.005-0.01% of film-forming accessory ingredient, 0.5-6% of emulsifying wetting suspending agent, 0.6-4% of penetrating agent, 0.02-0.08% of preservative, 2.0-6.0% of freeze proof agent, 0.05-0.6% of viscosity stabilizing agent, 0.1-0.7% of warning color and 80.81-96.625% of water. The preparation method comprises the steps of: adding the attapulgite into the water with the quality volume ratio of 1:20; adding the emulsifying wetting suspending agent to obtain attapulgite suspension liquid; adding the film-forming accessory ingredient into boiling water with the quality volume ratio of 1 / 500 to obtain cleaning liquid; adding the penetrating agent, the preservative, the freeze proof agent and the viscosity stabilizing agent into the cleaning liquid to obtain mixture; adding the attapulgite suspension liquid into the mixture, and adjusting the pH value to be 6.2-7.2; and adding the warning color and compensating the water to be total weight, and grinding to obtain the film-forming agent. The film-forming agent is environment-friendly, can adjust the loading quantity, can adjust the growth microenvironment of seeds, and has stable performance and low price.

The invention provides a premixed mortar mixture for buildings and a preparation method thereof, and relates to the technical field of building materials. The premixed mortar mixture for buildings comprises the following raw materials in parts by weight: 10-15 parts of cement, 20-25 parts of sintered brick powder, 10-14 parts of fly ash, 50-55 parts of quartz sand, 20-25 parts of crushed stone powder, 1-2 parts of a concrete admixture, 20-30 parts of water and 10-15 parts of a water-retaining thickener. By simultaneously adding the concrete admixture and the water-retaining thickener, the mortar mixture has water-retaining property, thixotropic lubricity and dispersion suspension property, meets the construction performance of mortar, has the characteristics of long-time storage and transportation resistance, high strength and low shrinkage rate, solves the difficult problem of construction waste treatment, and is simple in process steps, the method is friendly to the environment; and the production cost of the mortar is reduced.

The invention discloses a slowly-soluble fertilizer, belongs to the field of crop fertilizers and specifically relates to a fertilizer capable of being slowly dissolved in water and soil to achieve a controlled release purpose. The slowly-soluble fertilizer consists of nutrient elements and materials in different dissolution rates. Furthermore, the invention provides a preparation method of the slowly-soluble fertilizer, wherein the method comprises the steps of fusing, dispersing, guniting and pelletizing the nutrient elements, the materials in different dissolution rates and a permeation control agent. The slowly-soluble fertilizer utilizes the materials in different dissolution rates and the permeation control agent to slowly release the fertilizer, so that the controlled release purpose is achieved. The slowly-soluble fertilizer disclosed by the invention has an easily controllable preparation process, low cost, and stable fertilizer effect and controlled release, can be adaptive to the crop growth rule, so that utilization rate of the fertilizer is improved, and market promotion value is achieved.

The invention discloses a method for improving the colloid stability of attapulgite clay. According to the invention, a principle that moisture is converted into gas from solid ice under a vacuum condition is adopted to dehydrate and dry materials, the specific surface area of the attapulgite clay is increased, the agglomeration of attapulgite clay rod crystals is reduced, and thus the colloid stability of the attapulgite clay is increased.

The invention discloses a nano flame-resistant concrete protective coating and a preparation method thereof, wherein the protective coating comprises the following ingredients in parts by weight: 55-75 parts of modified nano-silica sol emulsion, 8-10 parts of attapulgite whiskers, Schiff base modified 3-5 parts of non-toxic graphene compound, 0.2-0.5 parts of wetting and dispersing agent, 0.2-0.5 parts of thickener, 0.2-0.5 parts of defoamer, 1-3 parts of leveling agent, 25-35 parts of deionized water . The preparation process is as follows: mix the modified nano-silica sol emulsion, attapulgite whiskers, and Schiff base modified graphene compound according to the above protective coating formula, and use a high-speed disperser to stir and disperse at high speed for 30-60min; then the above protective coating Add the remaining wetting and dispersing agent, thickener, defoamer, leveling agent, and deionized water to the formula; adjust the state of the high-speed disperser to medium-speed stirring and dispersing, continue stirring evenly, and then filter and pack. The protective coating provided by the invention has good physical and chemical properties such as alkali resistance, water resistance, weather resistance, adhesion, fire resistance and the like.

The invention discloses an environment-friendly type seed coating film-forming agent and a preparation method thereof. The film-forming agent consists of 0.1-1.8% of attapulgite, 0.005-0.01% of film-forming accessory ingredient, 0.5-6% of emulsifying wetting suspending agent, 0.6-4% of penetrating agent, 0.02-0.08% of preservative, 2.0-6.0% of freeze proof agent, 0.05-0.6% of viscosity stabilizing agent, 0.1-0.7% of warning color and 80.81-96.625% of water. The preparation method comprises the steps of: adding the attapulgite into the water with the quality volume ratio of 1:20; adding the emulsifying wetting suspending agent to obtain attapulgite suspension liquid; adding the film-forming accessory ingredient into boiling water with the quality volume ratio of 1 / 500 to obtain cleaning liquid; adding the penetrating agent, the preservative, the freeze proof agent and the viscosity stabilizing agent into the cleaning liquid to obtain mixture; adding the attapulgite suspension liquid into the mixture, and adjusting the pH value to be 6.2-7.2; and adding the warning color and compensating the water to be total weight, and grinding to obtain the film-forming agent. The film-forming agent is environment-friendly, can adjust the loading quantity, can adjust the growth microenvironment of seeds, and has stable performance and low price.

The invention provides a dry-type preparation method of modified bentonite, which comprises the following steps: pretreating raw materials: manually picking out large impurities mixed in bentonite raw ore, and naturally conducting airing; crushing raw materials: selecting bentonite raw ore, and crushing the bentonite raw ore into particles; conducting sodium modification: uniformly spraying a solution prepared from a modifier into bentonite particles; performing extrusion treatment, namely putting the modified bentonite into extrusion equipment, and performing extrusion until the modified bentonite is uniform; conducting stacking reaction: stacking the bentonite subjected to extrusion treatment in a special site for aging reaction; conducting drying: drying the bentonite under a heating environment condition; conducting crushing and grinding: grinding the dried bentonite into fine particles; and conducting grading and packaging: after grinding, carrying out winnowing and grading, and then carrying out packaging treatment. The bentonite produced by the preparation method can meet use requirements, various indexes of raw ore are improved, and certain economic benefits are created for bentonite production.