1674 results about "Natural mineral" patented technology

The invention discloses an attapulgite argil powder with an air purifying function. The technical scheme is as follows: the attapulgite argil powder with an air purifying function is prepared from high-viscosity attapulgite clay, an attapulgite constant-humidity conditioner, a natural mineral adsorbing / filtering agent, Cacumen Biotae, aluminum silicate fiber and polyacrylamide. The attapulgite argil powder is prepared by the following steps: pulverizing the materials, soaking and aging to obtain a wet mixture, extruding the wet mixture into a strip, airing the strip, pulverizing to obtain powder, and packaging to obtain the finished product. The attapulgite argil powder has favorable cohesive property, plasticity, thixotropy, fire resistance and thermal stability; the pottery prepared from the attapulgite argil powder with an air purifying function contains a great deal of micropores and activated carbon, thus, has the characteristics of low shrinkage, no cracking or deformation and favorable adsorbability, and can effectively adsorb formaldehyde, ammonia, benzene and other harmful substances in the air, thereby protecting the environment and improving good health of people. The invention is suitable for producing pottery artware with an air purifying function.

The invention discloses a compound flocculant taking natural minerals as main components. The compound flocculant is mainly prepared from the following components by weight percent: 60%-85% of natural minerals, 8%-38% traditional inorganic flocculant and 3%-10% of organic polymer flocculant. According to the invention, key points are as follows: in the compound flocculant taking natural minerals as main components, the weight of the natural minerals, the inorganic flocculant and the organic polymer flocculant is dry weight; and the compound flocculant is implemented to purification of civil engineering wastewater, natural water, industrial wastewater, oily wastewater, fluoride wastewater, food processing wastewater, auto parts processing wastewater, colored wastewater, clean wastewater, semiconductor processing wastewater, restaurant waste water, mine water, slaughter wastewater, grinding wastewater, sewage effluent and the like.

The invention discloses an attapulgite argil powder with an air purifying function. The technical scheme is as follows: the attapulgite argil powder with an air purifying function is prepared from high-viscosity attapulgite clay, an attapulgite constant-humidity conditioner, a natural mineral adsorbing / filtering agent, Cacumen Biotae, aluminum silicate fiber and polyacrylamide. The attapulgite argil powder is prepared by the following steps: pulverizing the materials, soaking and aging to obtain a wet mixture, extruding the wet mixture into a strip, airing the strip, pulverizing to obtain powder, and packaging to obtain the finished product. The attapulgite argil powder has favorable cohesive property, plasticity, thixotropy, fire resistance and thermal stability; the pottery prepared from the attapulgite argil powder with an air purifying function contains a great deal of micropores and activated carbon, thus, has the characteristics of low shrinkage, no cracking or deformation and favorable adsorbability, and can effectively adsorb formaldehyde, ammonia, benzene and other harmful substances in the air, thereby protecting the environment and improving good health of people. The invention is suitable for producing pottery artware with an air purifying function.

The invention provides a method for preparing a porous silicon / carbon composite material by using diatomite as the raw material, which is characterized by comprising the following steps of: with the diatomite as the raw material, performing simple refinement and purification processing to obtain silicon with a porous structure by means of metallothermic reduction; performing mechanical ball-milling with the carbon materials and / or precursors of carbon, hydro-thermal carbonization, pyrolytic carbonization or chemical vapor deposition to prepare the porous silicon / carbon composite material. Thecomposite material can be directly used as the cathode of the lithium ion battery, or can be mixed with other cathode materials to be used as the cathode materials of the lithium ion battery. Compared with a pure silicon material as the cathode material of the lithium ion battery, the porous silicon / carbon composite material has the advantages that the first reversible capacity and the circulation stability of the material are greatly improved. In the method, the inexpensive and accessible natural minerals are used as the raw materials, thus the cost is low and the preparation method is simple.

The present invention provides a microbe composition, tobacco-dedicated biological organic fertilizer containing the composition, its usage method. The microbe composition comprises aztobacter sp., pseudomonas fluorescence, Bacillus megaterium, bacillus mucilaginosus and bacteria capable of preventing and treating plant disease and insect pests. The microbe composition is mixed according to proportion with oligochitosan, lignite, grass charcoal, and bean cake and fermented to make bacteria powder fertilizer, and further added with potassium-enriching shale, bentonite and water-keeping agent to make bacteria granule fertilizer. The tobacco-dedicated biological organic fertilizer contains the above-mentioned bacteria powder fertilizer and granule fertilizer which contains natural mineral and good organic substance, C / N value being large, which fit the growth rule of tobacco plant and promote potassium fertilizer efficiency and possesses long-lasting potassium-supply capability and provides effective ingredient for tobacco.

The invention discloses a natural mineral adsorption filtration agent, which comprises acidified zeolite, acidified attapulgite clay, acidified bentonite, acidified kieselguhr, volcanic rock and high-alumina clay. The preparation method of filtration agent is mixing, disintegrating, screening and packaging raw material to finished product. The filtration agent particles have rough surface, a lot of micropore inside, light specific gravity, large specific surface area and good adsorption capability, and are main raw material for preparing forming filtration material such as filtration plate, filtration block, filtration core, filtration pottery slice and filtration ring.

The technical field of the invention belongs to concrete and cement. The invention relates to a sialite binary wet cement and its package, transportation, storage and application. The sialite binary wet cement is composed of a “female body” as a primary component and a “male body” as a secondary component both of which are produced, stored, and transported separately, and are mixed together when they are used, wherein the “female body” and the “male body” each have a specific surface area of 2800-7500 cm2 / g, the “female body” is mainly composed of inorganic cementitious materials and water, and it is in slurry, paste or wet powder form during the whole period of its production, storage, transportation and usage; the “male body” is mainly composed of inorganic cementitious materials, and it can be a wet form or a dry powder form. When they are used, the “female body” and the “male body” are mixed together with a small amount of regulating agents. There is no generation of dust, SO2, NOx and CO2 during production and application of the sialite binary wet cement. Therefore heavy pollution of a traditional cement industry is avoided, and energy consumption and cost of product are decreased. The starting materials of the said cement mainly come from natural mineral, various slag and cinder. The said cement can be used for building, traffic, water conservancy, nine filling, timbering, and solidation of roadbed.

The invention relates to a core premix for organic beef cattle, which comprises the following components in percentage by weight: 10-40% of compound galenical preparation, 10-40% of compound enzyme preparation, 10-30% of compound micro-ecological preparation, 20-40% of natural mineral substances, 15-30% of natural vitamins and 5-30% of other preparations. The product can be mixed with organic crop straws, corn, cakes, wheat bran, grass powder, iodized salt, bone powder, calcium powder and the like in certain proportions to be used as a diet for the beef cattle; and by feeding the beef cattle with the diet all year round, not only the immunity of the organic beef cattle can be improved in the feeding process, but also the quality and taste of the beef are improved. Because the product uses the galenical preparation of a plurality of natural traditional Chinese medicines such as cordate houttuynia, honeysuckle flower, radix astragali, forsythia, tuckahoe, fleece-flower root, atractylodes rhizome, white atractylodes rhizome, hawthorn, liquorice and the like as additives to replace the western medicines and antibiotics, uses the compound enzyme preparation to improve the feed utilization ratio and uses the compound micro-ecological preparation to improve the intestinal tract environment of the beef cattle, thus ensuring the food safety of the organic beef.

The invention discloses a nano-biological water body remediation agent for aquaculture and a preparation method thereof. The nano-biological water body remediation agent comprises a carrier and complex bacteria attached to the carrier, wherein the carrier comprises the following ingredients in percentage by weight: 10-70 wt% of nano tourmaline, 10-70 wt% of nano titanium dioxide, 10-70 wt% of modified zeolite and 10-50 wt% of montmorillonite, and the complex bacteria comprise photosynthetic bacteria, denitrifying bacteria, nitrifying bacteria and phosphorus accumulating bacteria. The nano-biological water body remediation agent for aquaculture, disclosed by the invention, is economical and environment-friendly and is simple and convenient to prepare; the adsorption characteristics of the natural mineral materials are cooperated with the degradation characteristics of the microorganisms, so that organics in a water body can be efficiently adsorbed and degraded, and the remediation efficiency of water quality is higher; and the microorganisms can increase the dissolved oxygen in the water body while harmful substances, such as ammonia nitrogen and hydrogen sulfide, are efficiently decomposed, excellent-quality baits can be supplied to aquatic livestock through the propagation of the microorganisms, and the secondary pollution on the water body cannot be caused.

The invention discloses a natural Chinese herbal medicine animal feed additive which comprises the components in parts by weight: 5-40 parts of medicinal plant extract group I, 5-40 parts of medicinal plant extract group II, 1-10 parts of medicinal plant group, and 10-80 parts of natural mineral carriers. The natural Chinese herbal medicine animal feed additive disclosed by the invention can improve the immunity of livestock, prevent diseases, improve the survival rate, accelerate digestive absorption, improve the daily gain and the feed utilization ratio, lower the production cost and improve the meat quality. All raw materials are from natural products which are safe and non-toxic, rich in material and low in cost, so that the additive is convenient to popularize and apply.

The invention discloses a heating-non-burning cigarette fuming granular material and a preparation method thereof. The granular material includes a heating-non-burning granular material carrier, fuming agents, a surface coating agent and a perfuming extract. The heating-non-burning granular material carrier includes juncus roemerianus, gramineous plant granules, radix puerariae, eupatorium adenophorum, tobacco powder, tobacco stem powder, hydroxypropyl methyl cellulose, beta cyclodextrin, gelatin, sodium alginate, diatom ooze, chitosan, methylcellulose, lignin and other natural plant granules.The preparation method of the granular material includes the following step of preparing the heating-non-burning granular material carrier at first, wherein the carrier is preferably selected from domestic high-quality granules or natural mineral compound granules and powder thereof for pelleting or compounding. The fuming granules are integrally loaded according to volume and then sealed, finished products of a fuming unit are mixed with the fuming agents of perfuming groups different in taste, and the problems that cigarette containers in the heating-non-burning field are monotonous in typeand processing technologies are cumbersome are solved.

The invention discloses a sericite / nano-zinc oxide composite material and a preparation method thereof. The composite material is characterized in that the surface of sericite powder is coated with nano-zinc oxide. The preparation method comprises the following step: adding calcium hydroxide or calcium oxide into a mixed system of the sericite powder and zinc sulfate solution so as to directly obtain the nano-zinc oxide coated sericite powder composite material. According to the method, the sericite which is taken as a base material is a natural mineral, so that the raw material is easily available, free of pollution and low in cost; the preparation process is simple, safe, reliable and easy to control; the obtained composite material is stable in quality, and has the good dispersibility in an organic solvent and also has the excellent ultraviolet resistance and the excellent antibacterial and deodorant performance. Thus, the composite material can be applied to the field of coatings, cosmetics and the like. The method has a good potential application value in the field of synthesis of the composite material or other related sciences.

The present invention relates to a biostimulatinq agent comprising natural minerals having ion-exchanges and sorption properties, and also a biologically active vegetable stock, the natural minerals including a clinoptylolite-heulandite zeolite containing not less than 92 wt % of clinoptylolite, and / or montmorillonite clay containing not less than 92 wt % of montmorillonite, and as the biologically active vegetable stock comprises wheat bran, rye bran, oats, Japanese laminaria, madder, birch fungus, and the like.The biostimulating agent of the present invention normalizes the mineral balance of the body, produces higher therapeutical effect, for example, in using it in case of intestinal tract diseases, aterosclerosis, urinary calculosis, produces an immune-modulating and tonic effect.

The invention discloses a catalytic cracking catalyst and a preparation method thereof, the catalytic cracking catalyst includes (a)15%-65% of a natural mineral, (b) 10%-30% of an oxide and (c) 25%-75% of a mixture of a MFI structure molecular sieve and a phosphorus-modified beta molecular sieve; the phosphorus-modified beta molecular sieve comprises 3-10 wt% by P2O5 of phosphorus, and in the 27Al MAS NMR (Magic Angle Spinning Nuclear Magnetic Resonance) of the molecular sieve, the ratio of resonance signal peak area at the chemical shift of 40+-3ppm to resonance signal peak area at the chemical shift of 54+-3ppm is greater than or equal to 1. The preparation method of the catalyst comprises the steps of mixing and pulping of the phosphorus-modified beta molecular sieve, the natural mineral and a non-polar oxide adhesive, and spray drying, and the preparation method of the phosphorus-modified beta molecular sieve is as follows: programmed heating of beta molecular sieve raw powder to bake to remove a template agent, and then phosphorus modification. The catalytic cracking catalyst is applied to preparation of propylene by catalytic cracking of naphtha, and the low-carbon olefin production rate is higher.

The invention relates to a method for preparing a formaldehyde scavenging agent. The method comprises the following steps of: preparing raw materials such as natural mineral micro powder, water, a binder and amino acid in a mass ratio of 100:(50-1,000):(0.5-5):(1-20), wherein the particle size of the natural mineral micro powder is 0.3 to 5mm; mixing and stirring the natural mineral micro powder and the water at the temperature of between 15 and 30 DEG C for 1 to 3 hours to form suspension; adding the binder, and mixing and stirring at the temperature of between 15 and 30 DEG C for 0.5 to 2 hours to form suspension; adding the amino acid, and mixing and stirring at the temperature of between 15 and 30 DEG C for 0.5 to 1 hour to form suspension; feeding into a spray dryer, and preparing dry porous spherical particle fine powder at the temperature of between 80 and 250 DEG C; and putting the fine powder into a packaging bag, and sealing. The raw materials are cheap and readily available, efficiency is high, energy consumption is low, and the prepared formaldehyde scavenging agent is high in adsorption capacity and long in action time.

The invention provides a composite air purificant containing nanometer mineral matters, which contains 47wt% to 78wt% of attapulgite as a natural mineral, 20wt% to 50wt% of synthetic zeolite molecular sieve as a molecular sieve, 0.5wt% to 5wt% of sodium carbonate or sodium chloride or sodium fluoride or sodium hydrogensulfite as a modifier, 0.5wt% to 5wt% of ammonium bicarbonate or sodium bicarbonate or aluminum sulfate as a foaming agent, 0.5wt% to 2wt% of dodecyldimethylbenzylammonium chloride as a surface active agent, 0.2wt% to 2wt% of nanometer photocatalyst titanium dioxide colloidal solution as a photocatalyst and 0.1wt% to 1wt% of nanometer aircatalyst titanium dioxide colloidal solution as photochemical catalysts. The composite air purificant is prepared by first drying, first pelleting, second drying, second pelleting, third drying, baking and finish product detection and package. The invention has high alternative adsorbability and high decomposition efficiency for organic pollutants in the air.

This invention discloses a natural mineral filter agent for desalting seawater, which is composed of attapulgite, smectite, zeolite, diatomite, mainfanite and sepiolite. The natural mineral filter agent is prepared by: pulverizing the above components, soaking, pressing, air-drying, crushing, sieving, torrefying, cooling and packaging. The contents of NaCl, KCl, Ns2SO4 and Na2CO3 in seawater are effectively decreased by ion exchange between Na+ / K+ in seawater and the natural mineral filter agent. Heavy metals such as Hg, Pb and As, chlorides and residual pesticides can be adsorbed by the natural mineral filter agent. The natural mineral filter agent can be used for late-stage purification and filtration of seawater desalting, as well as brackish water desalting in China northwestern regions.

The invention relates to a composite admixture used in concrete that incineration fly ash of urban living garbage, fly ash, slag powder and natural mineral powder are taken as the main raw materials and a preparation method thereof, and pertains to the technical field of building material preparation technique. The composition and weight percent of the composite admixture in the invention are: incineration fly ash, 10-30%; fly ash, 20-40%; slag powder, 30-50%; and natural mineral powder, 5-15%. The composite admixture of the invention can replace 30-50% of use volume of the cement in concrete; the prepared concrete can not only improve the grade of the grains of the concrete system, but also improve fluidity, cohesiveness and moisture capacity of concrete mixture, and can improve slump constant, anti-sulfate performance and anti-carbonization performance of the concrete; and the durability performance of the concrete can also be improved. The waste such as incineration fly ash, industrial slag, and the like, can be recycled, thus being in favor of environmental protection, and saving cement, sources and energy.

The present invention relates to the physical or chemical specific purification of natural mineral graphite. This purification is preferably applied to the surface of natural graphite in order to allow the formation of a passivation film during the first electrical discharge or the insertion of lithium in the graphite when the latter is used in a lithium-ion cell. The grinding to a small size before purification allows the optimization of the distribution of the particles, resulting in a more uniform electrode. This grinding is carried out in the presence of the natural impurities of the graphite that play the role of a micro-abrasive and result in a hardness of the graphite that increases its mechanical properties.

The invention relates to a porous refractory material and a preparation method, and relates to the technical field of refractor materials. The preparation method is characterized in that fly ash and a natural mineral material magnesite are adopted as main raw materials; and the porous refractory material is prepared through the processes such as blending and mixing, molding, drying, sintering and the like. Among the raw materials, the addition amount of fly ash is 10.0-90.0wt%, the addition amount of magnesite is 5.0-85.0wt%, the addition amount of a pore-forming agent is 5-15.0wt%, and the addition amount of a binding agent is 1-8wt%. A main phase of the porous refractory material prepared through high-temperature sintering is forsterite. The material has the characteristics of high porosity, low volume density, high strength, good thermal insulation effect, low cost and the like. According to the invention, a novel technical approach is provided for high-efficiency value-added exploitation of solid wastes such as fly ash and magnesite.

The invention relates to a high performance polylactic acid composite material and a preparation method. The high performance polylactic acid composite material comprises the following components in parts by mass: 40-85 parts of polylactic acid, 10-40 parts of modified inorganic or natural fibres; 1-10 parts of organic modified natural minerals, 0.8-5 parts of sensitizing agents, 0.1-2 parts of heat stabilizers, 0.1-1 part of antioxygen and 0.1-1 part of lubricating agent. The inorganic or natural fibre reinforced polylactic acid is selected to improve the mechanics performance, silane coupling agents are adopted to carry out surface processing to improve the compatibility with the polylactic acid matrix; and organic modified natural minerals are selected to improve the crystallization rate of the polylactic acid, also improve the material performance, reduce energy source consumption, and reduce the cost of products. After heat processing is carried out, the heat resistance and the mechanics performance of the composite material are further improved through the radiation crosslinking of crystallized polylactic acid. The prepared polylactic acid composite material has excellent mechanical property and heat resistance, and can avoid the problem of property reduction caused by a single modification method. The method is simple. The composite material can be prepared through the traditional plastic processing methods. The invention is suitable for industrial production.

The invention belongs to the technical field of petrochemical industry, and relates to a NaY molecular sieve / natural mineral composite material having a multistage pore structure and a preparation method thereof. The composite material is a crystal product formed through in-situ crystallization by taking a natural kaolin mineral and a natural kieselguhr mineral as entire silicon sources and aluminum sources for molecular sieve synthesis and using the minerals as substrates for molecular sieve growth. In the composite material, the mass percent of the NaY molecular sieve is 25-50%, and the silicon-aluminum ratio of the NaY molecular sieve is 3-5.5. The invention widens the raw material sources in the preparation of the molecular sieve / natural mineral composite material through an in-situ synthesis method, and can simultaneously greatly lower the production cost of the molecular sieve / natural mineral composite material.

The invention discloses a soil melioration matrix prepared from garden waste and a preparation method of the soil melioration matrix. The soil melioration matrix comprises the following components in parts by weight: 0.05-0.08 part of garden waste subjected to fermentation treatment by a microorganism bacterium agent, 0.01-0.03 part of natural mineral and 0.005-0.01 part of polymaleic anhydride. According to the invention, the soil melioration matrix is added to saline soil, so that the physicochemical property of soil can be improved, the porosity is increased, the permeability is strengthened, the soil structure is improved, and the salt-obstruction and fertilizer conservation effects are remarkable.

The invention relates to a method for preparing protecting slag from recovered refining slag remained in a ladle after continuous casting, which is characterized in that the recovered refining slag is natural cooled down, pulverized, subjected to iron removal and passes a 80-mesh screen; undersize is picked up and subjected to component analysis; according to the target component of the prepared protecting slag, if corresponding amount of natural mineral or fine powder of manually synthesized material containing the lacked components needs to be added, butane radical sodium xanthate and balling bonding agent in the general adding amount are added to prepare pulp with the solid content of between 50 and 70 weight percent, and the pulp is sprayed at the tower top at a hot air temperature of between 550 and 650 DEG C to prepare hollow micro balls. The invention has two characteristics: 1. the method has the simple recycling process, and the materials used to prepared the protecting slag are calculated and added only by the principle of adding what lacks and adding how much lacks, so that the component requirement on the protecting slag preparation is met; and 2. due to high added value of the product, the value of the recovered refining slag can be fully utilized.

The invention discloses a preparation method of composite air purificant, comprising of an ore dressing step, a purifying step, a mixing step, a modification step, a granulation step, a roasting step and a finished product detecting and packing step, wherein in the ore dressing step, at least four purely natural mineral material ore concentrates with adsorbing ability are selected; in the purifying step, the selected mineral materials are purified; in the mixing step, the purified mineral material and proper caking agent are mixed properly according to weight ratio; in the modification step, modifying agent and vesicant are added, semi-drying modification is performed by adopting a kneader and drying is carried out in normal temperature; in the granulation step, a granulating machine is adopted for granulating, and active hole slash is carried out by controlling the temperature to 50 DEG C to 80 DEG C; in the roasting step, roasting activation is carried out by controlling the temperature to 200 DEG C to 300 DEG C; and in the finished product detecting and packing step, through screen separation, proper adsorption indicator allochroic silicagel particles are added, and the finished product is detected and packed to obtain composite purificant. The invention has the advantage that the performance of the product is excellent, the technology is energy-saving and environmental-friendly and can be repeatedly used; a user can intuitively judge that when regeneration is needed, the manufacture cost is low, and the like.

The invention discloses an anion anti-microbial mildew-proof floor. The mildew-proof floor is composed of a damp-proof layer, a TCM (Traditional Chinese Medicine) board layer, an anion adhesive layer and a wear-resistant layer, wherein the damp-proof layer, the TCM board layer, the anion adhesive layer and the wear-resistant layer are sequentially arranged from down to up, and the upper and lower surfaces of the TCM board layer are respectively glued with the damp-proof layer and the wear-resistant layer through the anion adhesive layer; the anion adhesive layer consists of a soy protein adhesive and anion natural mineral substance powder, wherein the mass ratio of the soy protein adhesive to the anion natural mineral substance powder is 4:1, the anion natural mineral substance powder is a mixture of tourmaline, lanthanide rare earth compound salt and titanium dioxide in accordance with the weight ratio of 4:3:3, therefore anions can be continuously released to remove formaldehyde, other hazardous substances and indoor peculiar smell, and realize bacteria resistance and bacteriostasis and purify indoor air, so health efficacy is achieved; furthermore, Chinese herbal medicinal ingredients contained in the anion anti-microbial mildew-proof floor can play a role in mosquito repellent, bacteria resistance, bacteriostasis and multiple functions, therefore the anti-microbial mildew-proof floor has an extensive application prospect.

The invention relates to a method for preparing novel flame-retardant flexible polyurethane foam and a product thereof. In the preparation method, attapulgite serving as natural mineral soil and melamine serving as the conventional cheap organic flame retardant are compounded. The preparation process comprises the following steps of: uniformly mixing polyether glycol, a foam stabilizer, a foaming agent, a tin catalyst, a gel catalyst, the melamine, the attapulgite and the like to obtain a viscous mixture; quickly adding isocyanate into the viscous mixture under stirring; and slaking for a certain period of time at a certain temperature after complete foaming and curing are performed to obtain a flexible polyurethane foam product with flame retardant function. The invention has the characteristics that: the method for preparing the flame-retardant flexible polyurethane foam has a simple process and low production cost, does not need special equipment, is easy to industrialize and implement, and the like. The flame-retardant polyurethane foam product is flexible foam with high flame retardant property.

The invention relates to a new technique by adopting two-stage ingredients of wet mud and slag to produce cement. The technique comprises the steps as follows: wet industrial waste residue or sludge at sewage of the city or water treatment sewage are adopted as raw materials after filter-press, or centrifugal dewatering or drying, two-stage dry-wet matching with the material through one-stage matching powder milling is performed, a material stick or a material ball is produced after being mixed equably, and the material stick or the material ball enters into the cement kiln to burn into clinker after being dried by waste heat. The invention has simple process, good capability of large drying and powder milling energy consumption conservation, great adoption of mud waste residue and distinct effects in reducing CO2, water resource and natural mineral resource conservation, energy conservation and environmental protection.

The invention relates to a rapid crystallization polylactic acid composite material and a preparation technique thereof. The composite material comprises the following components in portion by weight: 59 to 98 portions of hypocrystalline poly-L-lactic acid, 1 to 40 portions of organic modified natural mineral, 1 to 20 portions of organic crystallization promoter, 0.1 to 1.0 portion of heat stabilizer, and 0.05 to 1.0 portion of lubricant. The sum of the mass percentage of the components is 100 percent. The preparation method for the material comprises the following steps: firstly preparing the modified natural mineral; then mixing the components according to the components of the composite material; agitating and mixing the raw materials evenly through a high-speed agitator; and adding the co-mixture into a twin screw extruder for extrusion and granulation. The method improves the crystallization rate of a polylactic acid matrix through the synergistic action of organized mineral and the crystallization promoter. Due to the addition of the organic crystallization promoter, the method strengthens the mechanical properties of the polylactic acid composite material, while simultaneously quickening the crystallization rate of polylactic acid, thereby avoiding the defect of greatly reducing the mechanical properties of the polylactic acid composite material caused by the addition of a single inorganic mineral nucleating agent. The price of adopted fillers is low; and the whole preparation method has a simple technological process and less consuming time of the technological process, and can realize the large-scale industrialized production.