66results about How to "Inactive" patented technology

The invention discloses a composite stabilizing agent for preserving a liquid cellulase, which can preserve the vitality of the cellulase for a long time under the liquid condition. The composite stabilizing agent is prepared from the raw materials including sucrose, sodium chloride, potassium sorbate and sodium hyposulfite by blending and stirring. The weight percentages of the raw materials in the liquid cellulase are as follows: 30 to 50 percent of the sucrose, 5 to15 percent of the sodium chloride, 0.01 to 0.03 percent of the potassium sorbate and 0.01 to 0.02 percent of the sodium hyposulfite. The composite stabilizing agent uses the sucrose and the sodium chloride so that cellulase protein molecules keep the stable structures easily in water molecules and are not easy to denaturalize and lose the activity, uses the potassium sorbate to control the colony count so as to meet the requirements on food conditions conveniently, and uses the sodium hyposulfite for preventing enzyme protein from being oxidized to lose the activity. The four raw materials of the composite stabilizing agent is easily available, the food grade is relatively high so that the cellulase activity cannot be reduced within two years at room temperature, the cost for building a refrigerated storage for keeping the cellulase activity is saved, and the preservation and transportation of the liquid cellulase are convenient.

The ion generating element (10) of the present invention is constituted by: having at least one first discharge part (12) for generating positive ions and one first discharge part (12) for generating negative ions each installed or printed on one dielectric (11). 2 discharge part (13), the 1st, the 2nd discharge part (12), (13) will be arranged on the 1st, the 2nd discharge electrode (12a), (13a) on the surface of the dielectric (11) and be embedded in the dielectric The first and second induction electrodes (12b) and (13b) inside (11) are formed as a pair, respectively, and are arranged independently and separated from each other on the same plane of the dielectric (11). With such a structure, neutralization of generated ions can be suppressed, positive and negative ions can be efficiently released, and ion generation efficiency can be further improved.

The invention relates to an access device for storing articles for storage and a storage system applied by the access device. The access device comprises a first bearing device, at least one first access device, at least one first storage device, a second bearing device, at least one second access device, at least one second storage device, and a mobile device, wherein the first bearing device comprises a first base; the at least one first access device and the at least one first storage device are born on the first base and arranged into a first ring; the second bearing device comprises a second base; the at least one second access device and the at least one second storage device are born on the second base and arranged into a second ring; the first access device, the first storage device, the second access device and the second storage device are provided with a plurality of accommodating regions respectively; the mobile device corresponds to every accommodating region; and the first access device and the first storage device can rotate relative to the second access device and the second storage device. Therefore, the access device can be used for independently accessing the articles for storage.

The invention provides a cerium-zirconium base nitric oxide common temperature catalyst preparation method, which is characterized by comprising: adopting active alumina powder as a carrier, carrying out cerium nitrate and zirconium nitrate impregnating loading, calcining, carrying out copper acetate and ammonia water mixed solution impregnating, and carrying out low temperature drying to obtain the catalyst so as to achieve common temperature catalysis oxidation on nitric oxide. Compared with the preparation method in the prior art, the preparation method of the present invention has characteristics of simple process, high catalysis efficiency and the like, wherein NO oxidation absorption efficiency is significantly increased.

The invention relates to a production method of a composite bio-enzyme preparation for domestic sludge decrement treatment. The production method is characterized by comprising the following processes sequentially: strain collection and extraction, strain cultivation, fermentation, and bio-enzyme separation and extraction, wherein the strain collection and extraction comprises the following steps: collecting bacteria from the domestic sludge, then cultivating by adopting a corresponding culture medium and mixing the corresponding strain and corresponding fermentation backing material for fermentation; the bio-enzyme separation and extraction process is a physical separating and extracting process or a chemical separating and extracting process, wherein the physical separating and extracting process is to conduct centrifugal separation to leavening by adopting a centrifugal method and the chemical separating and extracting process comprises the steps of adding ammonium sulfate into the leavening for salting out and then filtering. Compared with the prior art, the produced composite bio-enzyme preparation for domestic sludge decrement treatment has the advantages of removing odor, eliminating the inhibitional effect of H2S to nitrifying process, effectively reducing organic matters, converting soluble organic matters into carbon dioxide, nitrogen, oxygen, water and sulfate, reducing TSS (Total Soluble Solid), COD (Chemical Oxygen Demand) and BOD (Biochemical Oxygen Demand), greatly decreasing the yield of the sludge, and being non-toxic and corrosion-free and avoiding secondary pollution.

The invention discloses an efficient energy-saving reactive printing process, which comprises the following steps: (1) pretreatment: performing body inspection, cloth arrangement, sewing, singeing, desizing, scouring, oxygen bleaching and mercerization on to-be-reactively printed cloth in sequence; (2) size mixing: melting colorants used for reactive printing under the condition of 70 to 90 DEG C, filtering and then adding the molten colorants to raw paste, and evenly stirring; (3) printing: during printing, arranging a printing screen of a dark colorant to be in front of a printing screen of a light colorant; (4) after the printing is finished, ageing, washing and setting to obtain a reactive printed product. According to the efficient energy-saving reactive printing process disclosed by the invention, through a chemical action between the dye colorants and the cloth, the color fading problem of reactive printing can be thoroughly solved, so that the product quality is greatly improved; meanwhile, compared with traditional reactive printing process, the efficient energy-saving reactive printing process has the advantages that processes are saved, the printing cost is reduced, and the production efficiency is increased.

The invention provides a carbon monoxide room-temperature catalytic oxidation catalyst and a preparation method thereof. The catalyst comprises the following components in percentage by mass: 2-3% of palladium chloride, 2-3% of copper chloride and the balance of carrier, wherein the carrier is cerium oxide or titanium oxide. The catalyst is prepared through an impregnation method. The preparation method comprises the following steps: dissolving the palladium chloride and the copper chloride in excessive ammonia water, wherein the mass concentration of the palladium chloride is 0.015-0.030 g / mL, the mass concentration of the copper chloride is 0.2-0.4 g / mL, the concentration of the ammonia water solution is 20-25%, and the volume of the ammonia water solution is 5 mL; enabling the carrier to carry the palladium chloride and copper chloride solution through the impregnation method, wherein the mass percent of the copper chloride is 2-3%, and the mass percent of the palladium chloride is 2-3%; and naturally drying the prepared catalyst at 25-35 DEG C, and then roasting at 300 DEG C for 4 hours. Through the interaction between the active components and the carrier, the room-temperature catalytic oxidation of carbon monoxide can be realized, and favorable stability can be achieved. The method has the characteristics of simple preparation process, high catalytic oxidation efficiency and the like.

The invention discloses a squeezing and stirring type fruit and vegetable juice extractor which comprises a base, a stirring barrel and motor seats. The two sides of the upper surface of the base are provided with the symmetrical motor seats, the bottom of the base is provided with supporting legs with rubber pads, and the stirring barrel is clamped between the two motor seats and horizontally arranged. The upper face and the lower face of each crushing motor are provided with sliding blocks respectively, and the sliding blocks on the upper face and the lower face of each crushing motor are clamped into motor shells and sliding rails of the motor seats. Motor buffering and automatic adjusting devices are arranged between the crushing motors and the upper sliding blocks and the lower sliding blocks, touch reverse switches are arranged at the two ends of sliding rails on the two sides of each motor buffering and automatic adjusting device, the lead screw on each side is driven by a lead screw drive motor at the bottom of the motor seat on one side, motor shafts of the crushing motors on the two sides penetrate through the stirring barrel, the motor shafts in the stirring barrel are provided with crushing blades, and one side of each crushing blade is provided with auxiliary blades closely attached to the inner side wall of the stirring barrel. The squeezing and stirring type fruit and vegetable juice extractor raises the juice squeezing rate.

The invention discloses a preparation method of a reproducible catalyst for efficient catalytic decomposition of methyl mercaptan. The preparation method comprises uniformly dipping a roasted mesoporous molecular sieve into a chromium-containing compound solution and carrying out drying and calcination to obtain a finished product. The catalyst has catalytic activity and a catalysis life obviously higher than those of an unmodified mesoporous molecular sieve. The catalyst can be used for multiple regeneration recycling processes and the methyl mercaptan catalytic decomposition performances of the used catalyst can be recovered to a fresh catalyst level. The preparation method has a good industrial application prospect.

The present invention belongs to the field of medicine preparation, and relates to one method of raising the stability of protein medicine and its application in preparing microballoon. Non-ionic surfactant polyoxypropylene ppolyoxyethylene copolymer is added into water phase to raise the stability of protein medicine during preparing microballoon. The method of the present invention can raise obviously the tolerance of protein medicine to organic solvent, avoid the aggregation and deactivation of protein medicine during preparing microballoon, and further raise the stability and validity of protein medicine preparation and make it possible to prepare even more long-acting protein medicine preparations.

An ion generating element (10) has at least one first discharger (12) for generating positive ions and at least one second discharger (13) for generating negative ions, both fitted or printed on a single dielectric member (11). The first and second dischargers (12) and (13) are each composed of a pair of a first or second discharging electrode (12a) or (13a), respectively, formed on the surface of the dielectric member (11) and a first or second induction electrode (12b) or (13b), respectively, buried in the dielectric member (11), and are arranged both on the same flat surface of the dielectric member (11) but separately from and independently of each other. This construction helps to alleviate the neutralization among the generated ions themselves, thus to effectively release both positive and negative ions, and thereby to enhance the ion generation efficiency.

The present invention discloses a make-up base cream containing cyperus esculentus root oil and a preparation method of the make-up base cream. Cyperus esculentus root oil rich in vitamin E and linoleic acid is combined with whitening, moisturizing and anti-aging ingredients, a modern technology is used to obtain the make-up base cream containing the cyperus esculentus root oil, and the make-up base cream has stable performance, has effects of isolation, whitening, concealing, skin tone adjusting and sunscreen, also has skin-care functions of moisturizing skin, improving skin gloss and tenderizing the skin, repairs damaged skin barrier, alleviates conditions of skin dryness, roughness and aging, and fundamentally solves skin problems.

A carpet comprising piles (2) provided on the upper face a base fabric (3) and a backing layer (4) formed below the lower face of the base fabric, wherein an allergen-reducing agent (10) is adhered to at least a part of an area (X) ranging from the upper face (3a) of the base fabric (3) to the pile foot. Owing to this construction, allergens such as mites entering the carpet, dead mites and pollen can be efficiently inactivated and the amount of allergens in the carpet can be lowered.

The invention discloses a conductive silver paste and a preparation method thereof, wherein the conductive silver paste comprises the following components and respective percentages: silver powder of45-80 percent, an organic carrier of 15-50 percent, an activated thixotropic agent of 0.6-3.5 percent, and an auxiliary agent of 0.4-2.0 percent; the organic carrier comprises the following componentsand respective percentages: an organic resin of 10-20 percent, and an organic solvent of 80-90 percent; and the organic solvent is selected from diethylene glycol, dibasic acid Ester (DBE), diethylene glycol diethyl ether acetate, and dibutyl phthalate. The invention combines the preparation of the organic binder phase and the organic carrier, which shortens the production cycle and improves theproduction efficiency. The invention is capable of avoiding the loss of activity due to improper dispersion of the thixotropic agent and increasing the thixotropic index of the conductive silver pasteby separately dispersing the thixotropic agent and the organic resin in the organic solvent, and capable of fully exerting the thixotropic properties by grinding the commercially available polyamidewax in a grinder to obtain polyamide wax powder having a smaller particle size.

The invention discloses a feed additive for removing mold and toxics from poultry. The feed additive comprises components in parts by mass as follows: 35-46 parts of hydrated sodium calcium aluminosilicate, 23-37 parts of mannan, 12-25 parts of nano montmorillonite, 2-11 parts of a microbial composite preparation and 5-18 parts of an absorption promoting nutrient. The microbial compound preparation comprises components in parts by mass as follows: 12-16 parts of lactobacillus acidophilus, 22-35 parts of lactobacillus plantarum, 5-11 parts of lactobacillus bulgaricus, 7-18 parts of bifidobacterium, 13-25 parts of bacillus and 3-8 parts of peptococcus. The absorption promoting nutrient comprises components in parts by mass as follows: 55-85 parts of platycodon roots, 70-130 parts of dandelion, 60-95 parts of purslane herb, 30-60 parts of nutmeg, 28-55 parts of radix puerariae and 10-25 parts of haws.

The invention provides a vanadium-free denitration catalyst for arsenic-containing flue gas and a preparation process thereof. The catalyst still has a high denitration efficiency and anti-deactivating property when the arsenic content reaches up to 2.5 wt%. The catalyst can solve the problem that the arsenic adsorption amount is reduced, the denitration efficiency is reduced, the activity is relatively poor and the service life is short as vanadium pentaoxide is reacted with arsenic to block microcosmic ducts in the arsenic-containing flue gas which takes vanadium pentaoxide as the active substance.

The invention discloses a special fertilizer for potatoes applicable to acid soil. The special fertilizer for potatoes comprises 19-38 parts of modified silica sol coated composite fertilizer and 62-81 parts of uncoated compound fertilizer, wherein a coating material silica sol in the modified silica sol coated composite fertilizer accounts for 2-5% of the total weight of the composite fertilizer;and the coated composite fertilizer comprises the following raw materials: urea, potassium sulfate, sodium selenate and a granulating agent. The uncoated compound fertilizer comprises the following raw materials: urea, ammonium sulfate, monoammonium phosphate, potassium sulfate, calcium magnesium phosphate fertilizer, zinc sulfate heptahydrate, borax and biotechnology fulvic acid. Acid soil improvement measures are taken, modified silica sol coating sustained-release treatment is performed, and a reasonable formula is confirmed according to potato growth requirements and soil nutrient characteristics. Moreover, medium trace elements are added, and the selenium element is supplemented in a form of modified silica sol coating selenate. The fertilizer disclosed by the invention has the advantages of being capable of improving soil acidity, improving the fertilizer utilization ratio, improving the yield and quality of potatoes and increasing additional value of potato products, time-saving, labor-saving and the like.

The invention relates to a production method of a composite bio-enzyme preparation for domestic sludge decrement treatment. The production method is characterized by comprising the following processes sequentially: strain collection and extraction, strain cultivation, fermentation, and bio-enzyme separation and extraction, wherein the strain collection and extraction comprises the following steps: collecting bacteria from the domestic sludge, then cultivating by adopting a corresponding culture medium and mixing the corresponding strain and corresponding fermentation backing material for fermentation; the bio-enzyme separation and extraction process is a physical separating and extracting process or a chemical separating and extracting process, wherein the physical separating and extracting process is to conduct centrifugal separation to leavening by adopting a centrifugal method and the chemical separating and extracting process comprises the steps of adding ammonium sulfate into the leavening for salting out and then filtering. Compared with the prior art, the produced composite bio-enzyme preparation for domestic sludge decrement treatment has the advantages of removing odor, eliminating the inhibitional effect of H2S to nitrifying process, effectively reducing organic matters, converting soluble organic matters into carbon dioxide, nitrogen, oxygen, water and sulfate, reducing TSS (Total Soluble Solid), COD (Chemical Oxygen Demand) and BOD (Biochemical Oxygen Demand), greatly decreasing the yield of the sludge, and being non-toxic and corrosion-free and avoiding secondary pollution.

The invention relates to an anti-oxidation crusher. The anti-oxidation crusher comprises a feeding device, a crushing device, an anti-oxidation gas tank, a controller and a real-time clock; the crushing device is provided with a feeding port and a discharging port, the feeding port communicates with the feeding device through a feeding pipe, the discharging port communicates with a discharging pipe, a feeding solenoid valve is installed on the feeding pipe, and a discharging solenoid valve is installed on the discharging pipe; the crushing device is further provided with a first anti-oxidationgas inlet, the first anti-oxidation gas inlet communicates with the anti-oxidation gas tank through a first gas pipe, and a first anti-oxidation solenoid valve is installed on the first gas pipe; anoxygen concentration detector is installed in the crushing device; and the feeding solenoid valve, the discharging solenoid valve, the first anti-oxidation solenoid valve, the feeding device, the crushing device, the oxygen concentration detector and the real-time clock are all electrically connected with the controller. According to the anti-oxidation crusher, an anti-oxidation crushing environment is built, and the condition that crushed extracts lose the activity due to the fact that the crushed extracts are oxidized in the crushing process is prevented.

The invention discloses a preparation method of biodegradable drawing oil, and belongs to the technical field of drawing oil preparation. According to the preparation method, with catalysis of sodiumhydroxide, lard oil and palm oil are mixed and react with methanol to generate palm oil fatty acid methyl ester; the content of double bonds in the mixed oil is reduced, and the oxidation stability ofthe drawing oil is improved; since the ester synthesized oil has relatively high biodegradability, carbon dioxide and water are generated during biodegradation process, thus the biodegradability of the drawing oil is enhanced; by implementing acetylation modification on the group-OH at the terminal of polylactic acid by use of acetic anhydride and pyridine, the thermal stability or oxidation stability of polylactic acid is improved, and the inside of the drawing oil is effectively filled with the polylactic acid, thereby further improving the biodegradability and oxidation stability of the drawing oil; an anti-foaming agent, an antioxidant, a viscous agent and a stabilizer are added to form a layer of oxidation-stable protective film at high temperature, thereby improving the oxidation stability of the drawing oil and realizing a broad application prospect.

The invention discloses a pseudo-capacitor material polypyrrole-coated Fe2O3 / Mn2O3 composite material and a preparation method of the polypyrrole-coated Fe2O3 / Mn2O3 composite material. The preparationmethod comprises the following steps of firstly, preparing Fe2O3 / Mn2O3 nanoparticles by utilizing a hydrothermal method, and then coating polypyrrole on the Fe2O3 / Mn2O3 nanoparticles by utilizing anSIP method so as to prepare the composite material. The composite material and the preparation method are simple in technological process and are convenient, pollution-free and environment-friendly, the prepared composite material is high in purity, good in dispersity, high in controllability and regular in morphology, is metal-skeleton-shaped cubic particles, can establish a channel for rapidly transporting lithium ions, effectively relieves volume expansion of active substances in the charging and discharging process and improves the cycling stability. The polypyrrole coated layer effectively alleviates the larger volume change of the transition metal oxide in the charging and discharging process, and prevents the composite material structure from being destroyed and losing activity, sothat the composite material has higher charging and discharging capacity, and has good electrochemical performances as a lithium ion battery anode material.

The invention discloses a wet wipe with polyhexamethylene guanidine / biguanide hydrochloride immersion fluid and a preparation method of the immersion fluid. A wet wipe fabric is prepared from warp fabrics and weft fabrics, wherein the warp fabrics are prepared from bamboo fibers; the weft fabrics are prepared from peppermint fibers and acetobacter xylinum fibers; the immersion fluid is prepared from the following components in parts by weight: 5 to 10 parts of vitamins, 20 to 35 parts of additives, 25 to 50 parts of olive oil, 20 to 30 parts of moisturizer, 15 to 25 parts of emulsifying agent,2 to 5 parts of polyhexamethylene guanidine / biguanide hydrochloride and 150 to 250 parts of purified water. The wet wipe fabric disclosed by the invention has the advantages of good degradability, natural bacteria resistance, soft quality, and comfortable use, and moreover, reduction of pollution to an environment is facilitated. An antibacterial agent is not added in the immersion fluid disclosed by the invention, therefore, the wet wipe is safe to use, is no-irritating and is suitable for various sensitive skins, and moreover, an antibacterial effect of the polyhexamethylene guanidine / biguanide hydrochloride is obvious.

The invention provides a fully-automatic metering bacterium-adding system for fertilizer particles, and relates to the field of bacterium adding systems of fertilizer production. The fully-automatic metering bacterium-adding system comprises a bacterial powder supply system, a fertilizer particle supply system, an organic matter supply system and a powder applying cylinder; the bacterial powder supply system comprises an upper hopper, a lower hopper and a bacterial powder conveying pipe which are sequentially connected up and down, and the bacterial powder conveying pipe is provided with an electromagnetic oscillator; the fertilizer particle supply system comprises a fertilizer conveying belt, a fertilizer storage hopper, a conveying motor and a screw conveyor which are sequentially connected up and down; and the organic matter supply system includes a humic acid conveyor belt, a stevia rebaudiana powder conveyor belt, a water pipe, an organic matter storage hopper, a powder metering pump and an organic matter conveyor belt which are sequentially connected up and down. The fully-automatic metering bacterium-adding system provided by the invention has a high automation degree and accurate measurement and realizes uniform metering and adding of bacterial powder; and the number of strains for a single fertilizer particle is consistent, a survival rate of the strains is greatly improved, and needs of automated production of bacterial fertilizers can be met.

The invention discloses a composite stabilizing agent for preserving a liquid cellulase, which can preserve the vitality of the cellulase for a long time under the liquid condition. The composite stabilizing agent is prepared from the raw materials including sucrose, sodium chloride, potassium sorbate and sodium hyposulfite by blending and stirring. The weight percentages of the raw materials in the liquid cellulase are as follows: 30 to 50 percent of the sucrose, 5 to15 percent of the sodium chloride, 0.01 to 0.03 percent of the potassium sorbate and 0.01 to 0.02 percent of the sodium hyposulfite. The composite stabilizing agent uses the sucrose and the sodium chloride so that cellulase protein molecules keep the stable structures easily in water molecules and are not easy to denaturalize and lose the activity, uses the potassium sorbate to control the colony count so as to meet the requirements on food conditions conveniently, and uses the sodium hyposulfite for preventing enzyme protein from being oxidized to lose the activity. The four raw materials of the composite stabilizing agent is easily available, the food grade is relatively high so that the cellulase activity cannot be reduced within two years at room temperature, the cost for building a refrigerated storage for keeping the cellulase activity is saved, and the preservation and transportation of the liquid cellulase are convenient.

The invention relates to a composite biological enzyme preparation for the deweighting treatment of domestic sludge, and a production and application method thereof. The invention is characterized in that 100-500 kilograms of composite biological enzyme for the deweighting treatment of domestic sludge are used for 100 thousand tons of municipal domestic sewage, wherein the composite biological enzyme for the deweighting treatment of domestic sludge comprises 25-30 parts of protease, 20-25 parts of one or more of laccase, polyphenol oxidase and manganese peroxidase, 17-21 parts of one or more of xylanase, pentosanase and mannase, 20-25 parts of one or more of cellulase, pectinase and hemicellulase, 10-15 parts of lipase and 12-16 parts of amylase. Compared with the prior art, the invention removes hydrogen sulfide gas and undesirable odor thereof, simultaneously eliminates the inhibiting effect of H2S on the nitrification process, effectively reduces nitrate and ammonia, decomposes proteins, starch, fat, food oil, xylan, cellulose and other organic substances, converts suspended substances, accumulated waste and soluble organic substances in the sludge into carbon dioxide, nitrogen gas, oxygen gas, water and sulphate, reduces the TSS (Total Suspended Solids), COD (Chemical Oxygen Demand) and BOD (Biochemical Oxygen Demand), greatly decreases the yield of the sludge, and has the advantages of no poison, no corrosiveness and no secondary pollution production.

The invention relates to the technical field of pig raising, and discloses a semen collecting device for a pig farm. The device comprises a bottom plate, a front surface and a back surface of the bottom plate are fixedly connected with a fixing seat, a fixing nut is welded on the top of the fixing seat, a fixing screw is screwed on the inside of the fixing nut, an air pump and a telescopic rod arefixedly installed on the top of the base, and a shell is fixedly connected on the top of the telescopic rod. The semen collecting device for pig farm, By having the boar lie on the top of the hull, the boar 's genitals enter the plastic sheath, the water inside the tank enters the inside of the water bag through a water pipe, a heating pipe outside the water bag heats the water inside the water bag, The air flow from the air pump enters the air bag through the trachea to inflate the air bag, so that the pleasure of the boar is more intense, and the semen of the boar can be quickly extracted,and the semen enters into a storage container inside the protective shell through a rubber sleeve, and the heat generator inside the protective shell keeps the semen at a proper temperature to preventthe semen from losing activity.

The invention relates to a concentrated anti-freeze alga polypeptide liquid and a preparation method thereof, and belongs to the technical field of food processing. The concentrated anti-freeze alga polypeptide liquid is prepared from, by weight, 3-10 parts of concentrated anti-freeze laver liquid, 1-10 parts of marine polysaccharid, 0.2-0.5 part of phosphate and 30-100 parts of deionized water. New raw materials with a low cost are provided for anti-freeze polypeptide, and the extraction rate of anti-freeze polypeptide is increased to achieve industrialization and expand the application field.

The invention discloses a sepiolite urea-formaldehyde resin which is prepared from urea-formaldehyde resin and a modified sepiolite additive, wherein the weight of the modified sepiolite additive added is 10%-35% of the total weight of the end product of sepiolite urea-formaldehyde resin. The preparation of the modified sepiolite additive comprises the following steps: (1) adding 100 parts of water into a reaction kettle and adding 5-7 parts of corn starch and 18-35 parts of sepiolite powder while stirring; (2) stirring and heating for 40-60 minutes, stopping heating at 85 DEG C and performing heat preservation for 15 minutes at 87-90 DEG C; (3) cooling to 45-50 DEG C, thereby acquiring the modified sepiolite additive. In the process of preparing the sepiolite urea-formaldehyde resin adhesive, the modified sepiolite additive is added in two modes: (1) adding the additive at the initial stage of feeding, namely, adding the additive after formaldehyde is completely added and (2) adding the additive at the middle stage of urea-formaldehyde resin adhesive reaction, namely, adding the additive before acid regulation. According to the invention, the modified sepiolite additive is added for restraining the decomposition of the urea-formaldehyde resin adhesive, reducing released free formaldehyde, obviously increasing the initial viscosity of the urea-formaldehyde resin adhesive, relieving the liquidity and increasing the gluing volume.