398results about How to "Improve softening effect" patented technology

The invention relates to the field of building hollow bricks, in particular to a building hollow brick using industrial tailings and a preparation method thereof. The invention especially relates to a burning-free and steaming-free building hollow brick prepared by using industrial iron tailings, copper mine tailings, boric sludge and other industrial wastes and a preparation method thereof. The building hollow brick comprises the following raw materials in percentage by weight: 30-80% of industrial tailings, 5-30% of at least one of cement, fly ash and slag, 0-50% of aggregate, 0-35% of inorganic adhesive and 0-5% of other additives, wherein the water accounts for 3-20% of the total weight of at least one of cement, fly ash and slag and the industrial tailings. The hollow brick is obtained by adding at least one of cement, fly ash and slag to the industrial tailings, vibrating the mixture or molding the mixture under the pressure, releasing the mold after curing the mixture and then continuing to cure the mixture for 28 days or to a strength of more than 5 MPa at room temperature. The hollow brick provided by the invention has the advantages of high strength, good freezing resistance, capability of realizing industrial tailing resources and the like.

The invention relates to a silver alloy wire and a preparation method thereof. The silver alloy wire is prepared from the following components of 0.5-10 percent of Au, 0-1 percent of Pt, 1-6 percent of Pd, 0-1 percent of Rh, 0-1 percent of Cu, 0-500ppm of Ln, 0-200ppm of Ce, 0-0.5 percent of Al, 0.7-3 percent of Ti, 0-0.2 percent of Si, 0-0.3 percent of Zn, 0-1 percent of Sn, 0-10 percent of Be and the balance of Ag. A directional continuous casting process is adopted. The prepared silver alloy wire overcomes the problem that the bonded silver wire is easily subjected to sulfur corrosion in the prior art, and has a series of other excellent characteristics.

The invention relates to a hand-care disposable disinfection gel and a preparation method thereof. The hand-care disposable disinfection gel comprises ethanol, a bactericide, a cosolvent, a thickener, an emollient, essence and a PH regulator, wherein the essence is used as a carrier to cover pungent odor of ethanol. The hand-care disposable disinfection gel has the advantages of being bactericidal, washing-free, not sticky and greasy, and comfortable in smell, and caring hands. The preparation method comprises the following steps: the thickener swells in purified water fully to prepare a liquid A; meanwhile, the bactericide and the cosolvent are added in ethanol to be mixed uniformly to prepare a liquid B; then, the liquid B is poured into the liquid A; the emollient and the essence are poured in the liquid A, after purified water is supplemented to be sufficient, the PH regulator is added to regulate the PH value to 6.0-8.0, and the uniform mixing is performed.

The invention provides a spinning process of covering yarn with high hollowness degree, a prepared covering yarn and a process for weaving towel by utilizing the covering yarn. The spinning process comprises the following steps of: compositing and twisting two crude cotton yarns and water-soluble vinylon filament with number of 4.1-7.3 tex to prepare a spun yarn with cotton fiber covering the water-soluble vinylon filament; and hydrolyzing the water-soluble vinylon filament to obtain the covering yarn with the high hollowness degree. The strength and the hollowness degree of the covering yarn with the high hollowness degree, prepared by the spinning process disclosed by the invention, are higher than the strength and the hollowness degree of a common hollow covering yarn with the same yarn count, the overing yarn with the high hollowness degree is soft and fluffy and has strong water absorbability and improved heat insulation performance; and the woven towel prepared by the process of the invention is light and fluffy, and has good heat insulation performance and resilience, high water absorption speed, large unit-area water absorption amount and high drying speed.

The invention discloses a washing method for a water tank type dish washer. The method includes the following steps that firstly, at the prewashing stage, water is injected, heating is started when the amount of injected water reaches a preset water amount, a circulating water pump starts running at the power accounting for 50% to 60% of the rated power, and eddy stirring is conducted through fins arranged on the upper surfaces of rotating spraying arms; secondly, at the main washing stage, the amount of injected water is controlled to be the preset water amount below the rotating spraying arms, heating is started, and the rotating spraying arms are driven to conduct spraying of different spraying strengths and different spraying angles in a segmented mode by setting the rated power of the circulating water pump in a segmented mode and setting the execution time in a segmented time; thirdly, at the rinsing stage, the amount of injected water is controlled to be the preset water amount below the rotating spraying arms, heating is started, and the rotating spraying arms are driven to conduct rinsing spraying. The washing method for the water tank type dish washer can solve various problems of Chinese style dishes, the washing efficiency can be effectively improved, more water and electricity are saved, and a mixing program is obtained.

The invention relates to a bamboo shoot shell softening method which comprises the following steps: (1) processing a bamboo shoot shell for 2h under conditions of temperature of 75 DEG C and relative humidity of 68 percent; (2) preparing a softening agent; (3) soaking the bamboo shoot shell processed in the step (1) by using the softening agent for 3h; (4) processing the bamboo shoot shell processed in the step (3) for 3h under conditions of temperature of 80 DEG C and relative humidity of 45 percent; and (5) processing the bamboo shoot shell processed in the step (4) for 3h under conditions of temperature of 65 DEG C and relative humidity of 12 percent. The bamboo shoot shell softening method provided by the invention is simple; the bamboo shoot shell can be effectively prevented from being broken when being used, stored and braided after being processed, so that the yield of braiding the bamboo shoot shell and the stability of the bamboo shoot shell after being braided and formed are improved.

The invention discloses a fine and smooth tilapia mossambica bone and fish sauce and a preparation method thereof. The preparation method comprises: taking tilapia mossambica processing leftovers fish fillet as raw material, and cleaning and mincing for standby; adding acetum into the minced raw material, and carrying out high-pressure cooking; after cooking and softening process, separating cooking liquid, and smashing solid bone and fish blocks by a meat grinder; then, mixing with the cooking liquid; adding clean water accounting for 50-100% of total weight of cooking liquid to adjust the denseness of size; then carrying out rubbing processing on the colloid; ensuring that colloid cycling time is 3-7 minutes; after degassing processing, processing material by a high-pressure microfluidics nanometer homogenizer at the pressure of 60-120MPa to obtain fine and smooth tilapia mossambica bone and fish pulp; and condensing and seasoning the fine and smooth tilapia mossambica bone and fishpulp to obtain the tilapia mossambica bone and fish sauce of different flavours. The invention can fully utilize the nutrition constituent of fish fillet raw material, has high processing speed and small average particle diameter of products and can meet the requirements of fine and smooth taste.

The invention relates to a processing method of Chinese redwood barks. The processing method comprises the following steps: (1) cleaning the Chinese redwood barks, mixing the Chinese redwood barks with a processing agent (1) at 40 DEG C for 10-15 minutes for treating; (2) processing the Chinese redwood barks processed in the step (1) at the temperature of 85 DEG C and the relative humidity of 75% for 3 hours; (3) soaking the Chinese redwood barks processed in the step (2) at 45 DEG C for 3-5 hours by virtue of a softener; and (4) processing the Chinese redwood barks processed in the step (3) at the temperature of 60 DEG C and the relative humidity of 45% for 2 hours, and airing until the water content is 55%-65%. By specially processing the Chinese redwood barks by virtue of the processing method, the softening effect of the Chinese redwood barks can be greatly improved, and the Chinese redwood barks are uniformly softened, so that situations of breakage, cracking and the like in a weaving process are prevented, and the yield of woven products is high after processing and reaches above 96.2%.

The invention provides a no-washing foam hand disinfection solution and a preparation method thereof, and belongs to the technical field of hand disinfection solutions. The no-washing foam hand disinfection solution comprises a surface active agent, a foam stabilizing agent, ethanol, a sterilizing agent, an emollient and essence and is prepared through a simple process. The no-washing foam hand disinfection solution provided by the invention is an ethanol-containing no-washing foam hand disinfection solution, is broad-spectrum, antibacterial, especially suitable for medical workers, patients or family members in a hospital and has the advantages of good disinfection effect, long-acting bacteria inhibition and skin-protecting effect.

The invention discloses a softener and an application method thereof in slicing bamboo wood. The softener is composed of the following components by weight percentage: 20-30% of sodium carbonate, 20-40% of glycerol, 35-45% of alcohol and 4-6% of sodium fluoride. The application method comprises the following steps: adding the softener at the ratio of 8-12% into pool water to be prepared into softening liquid; putting a bamboo board blank to be softened into the pool; after dipping for 24-48 hours at normal temperature, increasing the temperature to 55 DEG C by boosting two DEG C per hour; keeping for 60-72 hours, and stopping boosting the temperature; and when temperature is lowered to 28-30 DEG C, taking out the bamboo board blank; and entering the next working procedure. The invention has the beneficial effect that the softener has minimum damage on bamboo wood and adhesive layers, has no harm and toxicity and has obvious softening effect, short softening period, small energy consumption, easy operation and low cost; slicing yield is above 90%, and slicing thickness can reach 10-12 decimillimetres.

The invention discloses a wicker product anti-pest and anti-mildew method capable of enhancing wicker knitting capacity. The method includes the following steps of (1) wicker peeling, (2) softening treatment, (3) wicker knitting and (4) anti-pest and anti-mildew treatment. By the adoption of the method, all the steps are matched scientifically and reasonably, and wicker products manufactured are good in anti-pest and anti-mildew effect. Compared with the prior art, the service life under the conventional using condition can be prolonged by about 20%, and the service life under the high-humidity condition can be prolonged by over 50%. Moreover, using stability is good, anti-deformation capacity is high, and the use value is good.

The invention discloses a softening method for osier wood, and belongs to the technical field of osier processing. The softening method specifically comprises the following steps of (1) pretreatment of osier; (2) steam explosion treatment; (3) immersing and drying treatment; (4) microwave treatment; and (5) drying and weaving. By adoption of the softening method for the osier wood, a remarkable softening effect on the osier wood is achieved, and the weaving time can be shortened by 30-50%; in addition, the softening method has little influence on the original characteristics of the osier wood, the cracking rate in softening treatment and the cracking rate in weaving processing are decreased by 15-20% and 20-30% correspondingly compared with existing methods; and the finally treated osier wood is good in strength and stability, excellent in corrosion resistance and worm prevention and not prone to being roughed when used, and better use value is achieved.

The invention discloses a beneficial microorganism antibiont-free feed and a preparation method of the beneficial microorganism antibiont-free feed. The preparation method comprises the following steps of: preparing a Lactobacillus acidophilus bacteria solution, a lactobacillus plantarum bacteria solution, a Saccharomyces cerevisiae bacteria solution and a Bacillus licheniformis bacteria solution respectively by carrying out secondary fermentation; then mixing the Bacillus licheniformis bacteria solution with cottonseed meal to carry out aerobic fermentation; mixing the fermented cottonseed meal, corn flour, beer slag and premixes uniformly, and adding a compound bacteria solution prepared from the Lactobacillus acidophilus bacteria solution, the lactobacillus plantarum bacteria solution and the Saccharomyces cerevisiae bacteria solution, mixing uniformly, carrying out constant temperature fermentation, thus obtaining the antibiont-free feed. The antibiont-free feed disclosed by the invention is not added with antibiotic medicines, is high in the content of the beneficial microorganism, has good attractant performance, palatability, and high nutrition digestion and absorption rate, increases the feed intake of animals, promotes the animal growth, enhances the level of animal health, and improves animal immune resistance to disease. The antibiont-free feed is applicable to breeding of antibiont-free livestock and poultry products, so that the breeding cost can be lowered, the economic efficiency is enhanced and the healthy development of aquaculture is promoted.

The invention discloses a method for tanning leather without pickling. The method is characterized by comprising the following steps (A) deliming: deliming limed hide-cut naked hide in the presence of an ammonium-free deliming agent, wherein the using amount of the ammonium-free deliming agent is 0.8-3 percent of the hide weight; (B) softening: softening in the presence of a softening enzyme, wherein the using amount of the softening enzyme is 0.3-1.5 percent of the hide weight; (C) chrome tanning: performing chrome tanning treatment on the softened naked hide in the presence of a non-prickled chrome tanning agent, wherein the pH value at the initial stage of tanning treatment is 6.5-8.5, the liquid ratio at the initial stage of tanning treatment is 30-50%, and the non-prickled chrome tanning agent is an anionic chrome tanning agent; and (D) finishing: performing post-finishing on tanned blue wet leather to obtain finished leather. By applying the non-pickling chrome tanning method, the emission of salt in leather making, pickling and chrome tanning waste water is avoided effectively, the emission of chrome in the tanning waste water is reduced, and the product quality of the finished leather is enhanced at a certain degree.

The invention discloses a preparation method and a use method of environmentally-friendly weak alkaline low-temperature deburring softening solution. The environmentally-friendly weak alkaline low-temperature deburring softening solution comprises the components with weight percentages as follows: 10 to 35 percent of tetrahydrofuran, 10 to 35 percent of propylene glycol, 1 to 5 percent of alkyl phenol polyoxyethylene ether, 5 to 20 percent of ethanolamine, 1 to 10 percent of N-methyldiethanolamine and the balance of water. The environment-friendly weak alkaline low-temperature deburring softening solution provided by the invention has the advantages of low use temperature, good softening and flashing effect, no production of poisons and harmful gases, excellent deoiling effect, safety, environmental friendliness, adoption of formula substances completely satisfying of an environmentally-friendly requirement, product stability, simple process, energy conservation and high efficiency, and is convenient to use.

The invention belongs to the technical field of plastic products, and particularly relates to a waste recycling device for plastic product production. The waste recycling device comprises a base, wheels are fixedly installed at the bottom of the base, a push rod is fixedly installed on one side of the top of the base, and a supporting frame is fixedly connected to the top of the base. A treatmentbox is fixedly arranged inside the supporting frame, an absorbing mechanism is arranged at the top of the treatment box, and a crushing mechanism is arranged in the treatment box. A movable plate is fixedly arranged at the bottom of the crushing mechanism, and an adjusting rod is fixedly connected to one side of the movable plate. According to the waste recycling device and method for plastic product production, a softening mechanism is arranged so that wastes can be conveniently softened in the waste recycling process, the wastes can have certain viscidity and can be tightly combined when extruded, the problem that gaps are generated between the wastes is avoided, and the compactness of the wastes is improved.

The invention relates to a selenium-enriched earthworm breeding method. The method comprises the following steps of 1, straw treatment, wherein straw is smashed, and is placed into a sealing device together with ammonium hydroxide, microwave softening is conducted, and softening is finished to obtain softened straw; 2, preparation of a breeding medium, wherein animal dung, the softened straw, a bacteria agent and sodium selenite are mixed proportionally, fermentation and decomposition are conducted, after decomposition is finished, earthworm phagostimulant is added, and even mixing is conducted to obtain the earthworm breeding meidum; 3, breeding management, wherein the earthworm breeding medium is flatly laid on a breeding bed, the phagostimulant is sprayed on the surface of the breeding bed, earthworm larvae are added, breeding is conducted, the moisture content of the earthworm breeding medium is maintained, the same earthworm breeding medium is added every 5-10 days, the phagostimulant is sprayed on the surface of the earthworm breeding medium, and breeding is conducted for 45-50 days; 4, earthworm harvesting. The selenium-enriched earthworm breeding method has the advantages of being high in growing speed, high in yield and good in selenium-enriched effect.

The invention discloses a method for pre-weaving bamboo weaving raw materials, which comprises the following steps: (1) raw material selection treatment, (2) high-temperature cooking treatment, (3) soaking treatment, (4) modification treatment, (5) dry weaving treatment . The invention carries out multi-process special treatment operations before bamboo weaving, which effectively improves the weaving characteristics of bamboo, enhances the softening performance, ensures the yield of weaving products, and at the same time enhances the overall strength characteristics of the weaving products and improves the quality of use , prolong the service life, and have good promotion and application value.

The present invention relates to composition, in particular, a fabric conditioning composition, comprising at least a quaternary ammonium compound, a cationic polysaccharide, a nonionic polymer. The composition has excellent conditioning performance. The invention also relates the processes for preparing the said composition.

The invention relates to a detergent box, in particular to a detergent box and a method for fully dissolving and draining a softener, wherein a water inlet pipe is arranged in a siphon fluid-discharge pipe; water rises from the bottom of a box body to impact the softener in the box body upwards from the bottom, so as to fully dissolve and dilute the softener; and the diluted softener overflows from an overflow plate, enters a wash bucket and then enters the wash bucket in a siphon mode, so as to thoroughly discharge the softener. The detergent box is simple in structure. An L-shaped water inlet pipe is arranged inside a siphon pipe, tap water enters from a horizontal pipe of the L-shaped water inlet pipe and then changes the direction upward; most of the tap water is discharged from the siphon fluid-discharge pipe, and a little tap water passes through a clearance between a siphon cap and the siphon fluid-discharge pipe, or passes through a small-diameter pipe, is injected into a dilution box from a siphon port which is on the bottom of a softener box body and is connected with the siphon cap, and impacts the softener in the box body upwards from the bottom, so as to fully dissolve and dilute the softener and thoroughly discharge the softener. The detergent box improves the effect of softening clothes.

The invention relates to the technical field of skincare products, in particular to skincare water with functions of whitening, fading spot and resisting oxidation and a preparation method thereof. The skincare water is prepared from the following raw materials in parts by weight: 25 to 35 parts of a buckwheat powder, 12 to 18 parts of glutathione, 30 to 40 parts of resveratrol, 2 to 8 parts of hyaluronic acid, 3 to 7 parts of hydrolyzed glycosaminoglycans, 10 to 15 parts of a whitening and spot fading component, 2 to 6 parts of an antioxidant and 10 to 20 parts of a solvent. The raw materialsof the skincare water, disclosed by the invention, are wild, harmless and high in safety; buckwheat, the glutathione and the resveratrol are taken as a main body raw material frame, so that the prepared skincare water has good spot fading, oxidation resisting, whitening, wrinkle preventing and aging resisting effects; by combining the hyaluronic acid and the hydrolyzed glycosaminoglycans, the moisture preserving and lubricating performance of the skincare water are improved, and permeating and absorbing effects of the skincare water can be promoted, so that the prepared skincare water has good performance of preserving moisture, retaining moisture, permeating, facilitating absorption and the like.

Steel wire rope stranding equipment with a heating device comprises a core placing device, the heating device, a rope stranding basket, a rope combining device, a traction device and a winding device, wherein the core placing device, the heating device, the rope stranding basket, the rope combining device, the traction device and the winding device are sequentially distributed. The heating device is arranged between the core placing device and the rope stranding basket, the heating mode can easily control the best softening effect of plastic, filling of the plastic between strand seams is more complete, and the adhesion effect is better. A rope core is heated, and a steel wire rope does not need to be pressed forcibly through a sizing roller to adjust the diameter of the rope. The steel wire rope does not make contact with an intermediate-frequency furnace in the rope combining process, and the electric spark phenomenon is prevented from being generated. A skin strand is not heated so as to prevent grease on the skin strand from melting and flowing out, and effective lubrication of the steel wire rope is guaranteed. A large amount of electricity is saved after the heating mode is changed, stranding quality of the steel wire rope is good and the structure is compact.

The invention discloses a method for fixation and softening of areca nuts. The method comprises the following steps: A, taking fresh areca nuts without surface impurities and only with fruits and pedicels; B, fixation of the taken areca nuts: pouring green areca nuts which are cleaned in the step A in boiled clean water in which the areca nuts can be completely immersed, and cooking the areca nuts for 20-30 minutes from the time when the clean water of 100 DEG C added with the areca nuts reaches 100 DEG C again; C, softening the areca nuts on which the fixation is performed: placing the fresh areca nuts processed in the step B in an enzymolysis solution of which the addition quantity of composite enzyme is 0.1-0.5%, wherein the areca nuts need to be completely soaked in the enzymolysis solution, the composite enzyme comprises cellulose, pectinase and hemicellulase in the compounding ratio of the cellulose to the pectinase to the hemicellulase being (0-5) : (5-10) : (0-5), placing a beaker loaded with the areca nut enzymolysis solution in a water bath pot of which the water temperature is 50-60 DEG C, performing enzymolysis for 0.1-2 hours, and taking out the areca nuts; and D, rinsing the areca nuts after the enzymolysis in clean water. The method for fixation and softening of the areca nuts, disclosed by the invention, has the characteristics of being good in fixation and softening effects, short in time consumption and low in cost.

The invention provides a high-sensitivity MEMS resonant acceleration sensor. The sensor comprises a sensitive mass block (1) provided with a first hollow area (11); a supporting structure (2) used forsupporting the sensitive mass block (1); and a sensitization structure (3) located in the first hollow area (11) and forming a parallel plate capacitor bank with the sensitive mass block (1). The sensitive mass block (1) and the supporting structure (2) are equivalent to a 'mass-spring-damping 'system, and sensibilization bias voltage is applied to the two ends of the parallel plate capacitor bank, so that the parallel plate capacitor bank generates an electrostatic negative stiffness effect to reduce the effective stiffness of the 'mass-spring-damping' system. When acceleration is input, thesoftening effect of the electrostatic negative stiffness reduces the effective stiffness of the mass-spring-damping system, so that the conduction efficiency of converting inertia force into resonator sensitive axial force is improved, and finally, the sensitivity of the sensor is effectively improved.

The invention provides a laundry and dye absorbing integrated tablet. The laundry and dye absorbing integrated tablet comprises a dye absorbing piece, a fiber piece and a laundry piece, wherein the dye absorbing piece and the laundry piece are arranged on two sides of the fiber piece respectively. Compared with the conventional single laundry tablet or dye absorbing tablet, the laundry piece and the dye absorbing piece are mixed for use, and the laundry effect is improved; besides, plant essence is added to the components of the laundry piece, so that the laundry fragrance is improved, and the softening effect of laundry is improved by adding a softening agent. The dye absorbing range is enlarged by adding an active solid cationic etherifying agent and a fluorocarbon surfactant to the formula of the dye absorbing piece simultaneously, by adding coconut oil, the laundry capacity is improved, the laundry efficiency is improved, the laundry cost is reduced, and the effects of energy saving and emission reduction are realized.

The invention relates to a preparation method for a leather greasing agent containing modified graphene oxide. The greasing agent is a leather chemical product with the maximum consumption in the production process. The preparation method comprises the following steps: adding sulfuric acid into graphite powder and sodium nitrate; adding potassium permanganate, washing and carrying out ultrasound to obtain a graphene oxide aqueous solution; dissolving octadecyl dimethyl-2-hydroxyethyl ammonium bromide into absolute ethyl alcohol; adding the mixed solution into a graphene oxide dispersion solution and carrying out ultrasound to obtain graphene oxide and octadecyl dimethyl-2-hydroxyethyl ammonium bromide direct intercalation composition; mixing and reacting oleic acid, methoxy polyethylene glycol 1200 and para-toluenesulfonic acid to obtain oleic acid polyethylene glycol monomethyl ether ester; uniformly stirring the obtain graphene oxide intercalation composition, the oleic acid polyethylene glycol monomethyl ether ester, natural grease, sulfonated oil SS, isopropanol and de-ionized water; and carrying out ultrasonic dispersion to obtain the leather greasing agent. The leather greasing agent disclosed by the invention has an excellent softening effect for leather fiber, the function of improving strength and toughness, and a very high absorption rate; and the dyeing effect of leather is remarkably improved.

The invention relates to a preparation method for high-calcium earthworm organic foliar fertilizer. The preparation method comprises the following steps: 1) straw treatment: crushing straw, adding the crushed straw in an enclosed apparatus, adding ammonia water and carrying out microwave softening so as to obtain softened straw after completion of softening; 2) preparation of a culture matrix: mixing animal manure, the softened straw, an inoculum and active calcium filter residues in proportion and carrying out fermentation and decomposing so as to obtain the culture matrix for earthworms; 3) breeding management: flatly spreading the culture matrix on a culture bed, adding young earthworms and carrying out culture so as to obtain high-calcium earthworms and high-calcium earthworm manure; and 4) enzymatic hydrolysis of the earthworms: cleaning the earthworms with clear water, carrying out homogenization, carrying out enzymatic hydrolysis by using enzymes in the earthworms so as to obtain enzymatic hydrolysate, adding water extract of the high-calcium earthworm manure and an active calcium filtrate into the enzymatic hydrolysate, carrying out uniform mixing under stirring, and then carrying out disinfection and filtering so as to obtain the high-calcium earthworm organic foliar fertilizer. The high-calcium earthworm organic foliar fertilizer prepared by using the method has the characteristics of high content of active calcium, richness in diversified amino acids and mineral matters, etc.

The invention relates to a salt and alkali decomposing biological bacterial fertilizer. The salt and alkali decomposing biological bacterial fertilizer is prepared through the following components by mass percentage: 65 to 80% of humic acid, 1 to 4% of EM bacteria, 5 to 15% of nitrogenous fertilizer, 5 to 11% of phosphatic fertilizer, and 5 to 11% of potash fertilizer. The salt and alkali decomposing biological bacterial fertilizer is prepared by the following steps: (1) mixing and uniformly agitating humic acid and EM bacteria, and fermenting for 72 to 96 hours at a temperature of 20 to 30 DEG C until the number of beneficial bactera in the mixture per kg is less than 20 million, thus obtaining a fermented material; and (2) adding nitrogenous fertilizer, phosphatic fertilizer and potash fertilizer to the fermented material obtained in the step (1); and uniformly mixing to obtain the salt and alkali decomposing biological bacterial fertilizer. The salt and alkali decomposing biological bacterial fertilizer is subjected to site-directed experience of three years in Ninghe County, Tianjin; the salt and alkali decomposing biological bacterial fertilizer added to the soil of which the pH (Power Of Hydrogen) is below 10 can decrease the pH of the soil by about 0.8 averagely each year; and after the salt and alkali decomposing biological bacterial fertilizer is used in three consecutive years, the pH of soil can reach a normal level, and as a result, the rate of survival of crops is greatly increased.