547results about How to "Fast filtration" patented technology

The invention discloses an attapulgite clay porous porous ceramsite, a preparation method of the ceramsite, and a purpose of the ceramsite. The ceramsite is prepared from raw materials of attapulgite clay and biomass, and a binder of industrial soluble glass. The ceramsite is prepared through calcining and oxidizing. The attapulgite clay porous ceramsite prepared by the present invention has advantages of high porosity, large specific surface area, high strength, strong water resistance, high water absorption, high catalytic activity, and the like. The porous ceramsite prepared by the presentinvention can be applied as a carrier for a catalyst, and a filling material for an aerated biological filter.

The invention discloses a method for manufacturing a fermentation bed for livestock cultivation and a method for breeding pigs on the fermentation bed. The livestock cultivation fermentation bed is characterized by being manufactured by paving a loess layer on a foundation layer of an organic gasket and sprinkling sodium chloride, brown sugar and strains consisting of compound microbial inoculants where effective microorganisms and indigenous microorganisms coexist, rice bran and wheat bran on the loess layer. Green feed serves as main feed for the pigs on the fermentation bed, and energy feed and supplementary feed consisting of Chinese medicaments having the functions of benefiting gastrointestinal health, facilitating digestion and expelling toxin to improve the immunity of the pigs also can be fed to the pigs. Compared with the prior art, the livestock cultivation fermentation bed has the advantages that the pigs bred on the bed have strong immunity, need no vaccines and antibiotic and can be fed with the green feed for bulls and sheep; and the meat of the bred pigs has the same pleasant taste as wild pigs.

The invention discloses a culture base material for cultivating shiitake by using chrysanthemum straws. Chrysanthemum straw chips which are subjected to fermentation treatment are taken as a raw material, and auxiliary materials which have the effect of adjusting nutrition balance are added. The culture base material comprises the following components in percentage by weight: 77 percent of chrysanthemum straw chips, 15 percent of wheat bran, 5 percent of corn meal and 3 percent of bean cake. The chrysanthemum straw chips are treated by a fermentation treatment method and can be taken as a raw material of a culture medium when snowflake-shaped substances overgrow on the chrysanthemum straw chips. The pH value of the culture base material is kept at 6.5+ / -0.1. The invention also discloses a method for cultivating the shiitake by using the culture base material for cultivating the shiitake by using the chrysanthemum straws. The method comprises the steps of mixing materials, bagging, sterilizing, inoculating, growing mycelia, culturing, performing shiitake fruiting management, harvesting and the like. The problems about the improvement of the nutrient of the culture base material by treating the chrysanthemum straws, high-yield cultivation and management are solved.

The invention discloses an organic-inorganic compound fertilizer and a preparation method thereof. The organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 25-30 parts of green algae, 12-17 parts of humic acid, 7-12 parts of bagasse mortar, 8-12 parts of saw dust, 7-15 parts of vermiculite, 5-10 parts of filtration mud, 5-10 parts of yeast organic waste water concentrated liquid, 5-8 parts of cane slag, 2-5 parts of sugarcane top and 2-5 parts of microbial strain liquid. The amount of the compound fertilizer organic matter is large than or equal to 55 weight parts, the total amount of NPK inorganic matters is large than or equal to 12 weight parts, the amount of the moisture is less than or equal to 25 weight parts, the effective viable count is large than or equal to 2 hundred million / gram, and the pH is 5.0-8.5. The preparation method comprises the following steps: fermenting twice by using microbial strains; adding inorganic porosity vermiculite, evenly mixing, and naturally drying so as to obtain the organic-inorganic compound fertilizer. Biodegradable agricultural and industrial production waste water, waste slag and sugarcane top regeneration organic matters are fully utilized as the raw materials, thereby improving the acidity and basicity of soil, improving the cation exchange capability (CEC) of the soil, improving the utilization of fertilizer, promoting the growth of crop and increasing the yield of the crop. The organic-inorganic compound fertilizer has the advantages of good ecological benefits and circular economy benefits and can be used as an additional fertilizer for crops such as sugarcane, watermelon and the like.

The invention relates to the greenhouse crop planting field, in particular to compound microbes for reducing and disinfecting greenhouse soil and a soil disinfection method, and solves the problem of multiple defects in the prior art. The compound microbes comprise bacteria, actinomycetes, saccharomycetes and moulds. The soil disinfection method includes the steps of selecting June to September as a disinfection period to apply crop straws, organic fertilizer and the compound microbes on the soil after the crops are harvested; deeply plowing soil layers to form small ridges; covering ridge surfaces with plastic film, filling enough water under the film till the soil humidity achieves 100%, and sealing the mulching film and covering the greenhouse plastic film for 20 to 25 days; and uncovering the greenhouse plastic film and removing the mulching film for planting. According to the compound microbes for reducing and disinfecting greenhouse soil and the soil disinfection method, the method is non-toxic, harmless, pollution-free and residue-free, pathogenic bacteria, ova and the like in soil plough layers are killed, soil organics are increased, the soil physical and chemical structure is improved, soil fertility is improved, and good foundation is laid for improving product qualities.

The invention discloses an ultrahigh temperature decomposition agent of straws and cattle manure, and a preparation and an application of the decomposition agent, and belongs to the field of decomposition agents. The decomposition agent is prepared by mixed fermentation and drying of the straw, the cattle manure and a complex decomposition inoculant, wherein the complex decomposition inoculant comprises 1-10 parts of thermophilic bacterium inoculant, 1-6 parts of bacillus licheniformis inoculant, 1-6 parts of aspergillus oryzae inoculant, 1-6 parts of lactobacillus plantarum inoculant, 1-6 parts of thermoactinomyces sacchari, and 1-6 parts of cold-proof brevibacterium inoculant. The decomposition agent, a composting method and the application of the decomposition agent solve the problems of slow temperature rise during composting and decomposition, low fermentation temperature, long fermentation time, incomplete decomposition, poor compost quality and the like in the fermentation of the existing complex inoculant, and the decomposition agent is quick in temperature rise during the composting and the decomposition, quick in heating-up, high in fermentation temperature, short in fermentation time, more thorough in decomposition and higher in quality.

A point-of-use filtering and water treating kit includes a container, a plurality of membrane-type filter elements and a filter basket to support the filter elements during use. The filter elements are contained within a reclosable package that is fitted within the container during storage. At least one ladle or other drinking cup is also contained within the container to provide a complete assembly for producing potable water. In use, the package containing the filter elements is removed from the container and a single filter element is placed in the filter basket. The filter basket is nested in the top end of the container and the water to be filtered is poured through the filter element. The filtered and purified water is collected within the container. In one embodiment, the filter elements contain a purifying agent, disinfectant or antimicrobial agent impregnated within the filter element to treat the water as the water is being filtered.

The invention belongs to the technical field of agricultural cultivation, which comprises a comprehensive treatment method for livestock and poultry breeding industry pollution, a special feed bridging agent, a biological edible warm pad and biological organic fertilizer; wherein, the comprehensive treatment method for livestock and poultry breeding industry pollution is realized by the steps as follows: (1) the livestock and poultry are fed by the feed bridging agent which is prepared by that probiotic bacterial flora is enlarged for cultivation and inoculated to natural organic matter for fermentation; (2) the livestock and poultry cultivation ring is padded by the biological edible warm pad which is prepared by the fermentation by matching the probiotic bacterial flora and the biological organic raw material; (3) the biological edible warm pad mixed with the dejecta of the animals is added into microbial flora so as to prepare the completely rotten biological organic fertilizer. The treatment method of the invention has the advantages that the feed is sufficiently absorbed in the animal body, the nutrition drainage is reduced, the feed is saved and the pollution is reduced; no waste gas and no waste matter are generated during the cultivation process; the pollution source is thoroughly eliminated; the pollution of the cultivation on the environment is radically solved; the dejecta of the animals is processed in situ and the organic fertilizer is produced.

The invention discloses a production process of an organic and inorganic compound fertilizer; the organic and inorganic compound fertilizer is prepared by mixing straw with a phosphatic fertilizer, a nitrogenous fertilizer, livestock manure, an inorganic salt, an efficient rotten bacterium agent and a conditioner for fermentation reaction to obtain organic matter, mixing the organic matter with an inorganic fertilizer produced by mixing urea, monoammonium phosphate and potassium chloride; the produced inorganic organic compound fertilizer is simple in production process, easy to operate, suitable for all kinds of vegetables, fruit trees, flowers, and the like, and quick in effect, can enable products to come into the market earlier, is better in quality, and is a pure natural green fertilizer with high quality, high content and high utilization rate.

The invention provides isolated nucleic acids molecules which encode pyruvate decarboxylase enzymes having improved decarboxylase activity, substrate affinity, thermostability, and activity at different pH. The nucleic acids of the invention also have a codon usage which allows for high expression in a variety of host cells. Accordingly, the invention provides recombinant expression vectors containing such nucleic acid molecules, recombinant host cells comprising the expression vectors, host cells further comprising other ethanologenic enzymes, and methods for producing useful substances, e.g., acetaldehyde and ethanol, using such host cells.

The invention relates to an organic fertilizer and a production method of the organic fertilizer, in particular to a method for utilizing chicken manure to produce the organic fertilizer. The method comprises the following steps: uniformly mixing padding, broiler chicken excrement, breeding hen and / or laying hen excrement and zeolite to obtain a mixture; inoculating a microbial agent which is used for sufficiently curing the manure to the mixture, carrying out aerobic fermentation under the intermittent turning condition, wherein the microbial agent at least comprises aspergillus oryzae, high temperature resistant bacillus subtilis and saccharomycetes; piling and ageing the material after aerobic fermentation. The method aims at the characteristics of excrement of laying hen and breeding chicken, and flatly raised broiler chicken excrement, mixes the two kinds of chicken manure with different properties to meet requirements of the fermented material to carbon nitrogen ratio and moisture, and reduces the production cost. The chicken manure which possibly pollutes the environment can be converted to the organic fertilizer with large processing amount, so that the pollution problem of the chicken manure is solved. The produced organic fertilizer can be widely applied to organic crop planting, obviously improve the quality of agricultural products, and effectively improve the soil structure.

The invention relates to a decomposed leaven for industrial organic effluent and debris treatment and process for preparation, wherein the decomposed leaven comprises one or more of cellulose disassembling bacterium, himicellulose disassembling bacterium, protein disassembling bacterium, and amylolyzing bacterium, the bacterial are preferably selected from the following bacterial or their combination, aspergillus niger, viridian, endomycopsis fibuliger, bacillus subtilis, and brewer's yeast. The preparation process of the decomposed leaven comprises two steps of preparing bacterial and formulating leaven.

The invention discloses a hydrophilic oleophobic filter material and a preparation method thereof. Manufactured fibers are chemically improved through an efficient technology, and botanic ingredients are added, so that the treatment performance of the fibers is changed. According to the obtained hydrophilic oleophobic filter material, modified treatment is carried out on fiber balls, and the adsorption capacity to oil and organic matter is improved. In the running process, the porosity of a filter layer is gradually reduced in the water flow direction, an ideal big-end-up pore distribution state of the filter material is formed, and the filter effect is better. The filter speed is high and can reach 30-35 m / h, and the filter material only needs to be supplemented by about 5% every year, and does not need to be replaced.

A flexible blood filter allowing smooth flow of a liquid and being excellent in separation resistance, pressure resistance and centrifugation resistance. The blood processing filter, includes a first filter element for removing aggregates from blood, a second filter element for removing leukocytes provided in the downstream of the first filter element, and a third filter element having gas permeability of 3 to 40 cc / cm2 / sec per thickness of 1 cm provided between the second filter element and the outlet port. The filter contains a seal zone at a peripheral section which contains five layers including a layer of molten material and layers of molten material mixed with filter element material.

The invention discloses a method for purifying and recycling for organic garbage from a kitchen and a device for purifying and recycling organic garbage from a kitchen by utilizing the same. The method comprises the following steps: step 1. pulverizing the organic garbage generated in families or kitchens; step 2. dewatering by virtue of a dewatering and separating operation chamber, and conveying to a fermenting container; step 3. adding a microbial agent, and carrying out fermenting operation; and step 4. carrying out drying and sterilizing treatment to obtain an organic fertilizer. The device for purifying and recycling the organic garbage from the kitchen comprises a pulverizing system, the dewatering and separating operation chamber, the fermenting container and a drying and sterilizing operation chamber provided with an organic fertilizer outlet. According to the invention, in-situ rapid high-efficiency fermentation of organic garbage from the kitchens can be realized, the off-odor in environment can be eliminated, the environmental pollution can be reduced, and not only can the garbage be treated, but also renewable resources are recycled, thus the device provided by the invention is clean and sanitary, and convenient for household use.

The invention discloses a low-temperature fast fermentation agent for animal dung in cold regions as well as a preparation method and application thereof. The low-temperature fast fermentation agent comprises a component I and a component II, wherein the component I consists of the mixture of bacillus subtilis solid microbial inoculum, thermophilic cellulose-decomposing bacteria solid microbial inoculum and huge bacillus solid microbial inoculum, and the component II is micromonospora solid microbial inoculum. When the temperature in the cold regions is lower than 0 DEG C, the low-temperature fast fermentation agent for animal dung in cold regions is added in animal dung and straw compost materials, psychrophile can propagate fast by using starch, saccharides and other simple organics to generate biological heat to fast raise the temperature of the materials for high-temperature fermentation and deodorization. The low-temperature fast fermentation agent for animal dung in cold regions breaks through a low temperature limit, realizes high-temperature fast fermentation at the temperature below 0 and reduces ammonia volatilization in the process of composting.

The invention belongs to the field of food processing, and in particular discloses a manufacturing method of a novel semisolid quick-fermentation pickle. The method comprises the following steps: (1) pretreating raw materials; (2) performing disinfection treatment on a pickle jar; (3) salting and dehydrating a pickle; (4) preparing lactobacillus plantarum and leuconostoc mesenteroide bacterial sludge; (5) adding auxiliary materials and a culture; (6) adding pickle old brine and glucose; (7) laying vegetable in the jar flat, adding a layer of film at the opening of the pickle jar, filling up the pickle jar edge water groove with water, thus achieving a double-layer sealing effect, and fermenting under normal temperature. According to the method, the pickle raw materials are firstly salted and dehydrated, and then leuconostoc mesenteroide and the lactobacillus plantarum are added into the pickle jar, so that an obtained pickle substrate is high in concentration, rich in nutrition, and short in fermentation period, and also has the characteristics of preventing pickle mildew, improving pickle taste, and improving pickle quality and safety, and the problem of high cost caused by great salt consumption and water consumption in pickle industrialization can be solved.

The new technology of utilizing crushed cotton stalk in cultivating edible fungi includes crushing cotton stalk into filament, utilizing the filament as main material for the edible fungus culture medium, and spraying Gufengling bacterial liquid in proper amount. The edible fungus culture medium has the composition of cotton stalk 75-90 wt%, supplementary material 10-25 wt% and Gufengling bacterial liquid 0.01-0.05 wt%. The edible fungus culture medium of the present invention has the features of easy-to-obtain material, rich nutrients, low cost, high edible fungus yield, etc.

The invention discloses red yeast fish fermented by mixed strains based on lactic acid bacteria, which is made by using fresh fish blocks as a base material, and inoculating the base material with I-type mixed basic bacteria of which the colony count is 10CFUs per gram of fish and II-type mixed basic bacteria of which the colony count is 10spores per gram of fish, and subjecting the inoculated base material to main processing procedures of pickling, fermentation, drying and fumigation to obtain the finished product. The invention adopts a technical proposal that initial culture of microorganism lactic streptococci, lactobacillus bulgaricus and saccharomyces cerevisiae of a single species of the I-type mixed basic bacteria of which the colony count is 10CFUs per gram of fish and initial culture of monascus of the II-type mixed basic bacteria of which the colony count is 10spores per gram of fish are mixed and inoculate with the fish block base material, and the mixture is subjected to pickling, fermentation, drying fumigating and the like to give the red yeast fish blocks, and the technical proposal overcomes the defects that natural fermentation is uneasy to ensure the sanitation and safety of the product and has high salt content. The red yeast fish is suitable for producing various fermented fish blocks.

The invention discloses a technology for extracting gasoline diesel by using waste plastic in a domestic garbage landfill site. The technology comprises the following steps of pretreating the waste plastic, splitting the waste plastic, performing catalyzing fractional distillation, and recovering petroleum gas of the waste plastic. According to the technology disclosed by the invention, the waste plastic is splitted, and petroleum products of gasoline, diesel and the like are obtained through recovery. Waste residues discharged from a cracking furnace can also be processed into burn-free sewer line products special for cities, and collected and screened waste fertile soil is directly fermented so as to process an organic fertilizer. In the entire process, secondary pollution is not generated. The technology has the advantages of being low in cost, environmental-friendly, and energy-saving, and turning waste into wealth. The technology not only is considerable in economic benefits, but also effectively treats garbage in the domestic garbage landfill site, so that atmospheric pollution is reduced, and the original appearance of soil of the garbage landfill site is basically restored, sustainable development is realized, and the technology is favorable for human, and has long social and environmental-friendly benefits.

The invention provides a preparation method of fruit ferment. The preparation method comprises the following steps: carrying out anaerobic fermentation by inoculating anaerobic bacterium strains, filtering the obtained fermentation products, saving the filtrate (A), keeping on inoculating aerobic bacterium strains to peels and dregs of fruits to carry out aerobic fermentation for 5 to 15 days, then adding liquor, keeping on fermentation for 5 to 10 days, then filtering the fermentation products, condensing the filtrates, then merging the condensed filtrates, adding molasses, inoculating beneficial bacteria to the mixed filtrate, and sealing the mixed filtrate for 10 to 20 days to obtain the environment-friendly ferment. The preparation method can effectively avoid the mildew of fruit peels during the fermentation process, thus the content of nitrite is reduced, the obtained ferment prepared from fruit peels is healthy and unique, at the same time, the ferment content is increased, the function of the ferment is improved, moreover, the wastes (fruit peels) are converted into valuable resources, and the utilization of wastes is promoted.

The invention discloses aerated biological activated carbon filters and a method of applying the same to purify feed water. Each up-flow aerated biological activated carbon filter comprises a water inlet tube, water and air distribution troughs, water and air distribution zones, a filter plate, a single-hole membrane aerated filter head, a coarse sand cushion and dual-layer granular activated carbon filters. The aeration system of the single-hole membrane aerated filter head is adopted for filter aeration. The mode of washing combining air and water is adopted for washing the filter. During washing, a perforated air distribution tube arranged in the water and air distribution zone at the bottom of the filter is adopted to blast air to the filter and aerate the filter, so that the filter washing water is drained from a blow-down tube at the bottom of the filter from top to bottom. The water flowing out of a sedimentation tank is distributed by a water distribution channel, then flows through the coarse sand cushion and the dual-layer granular activated carbon filters of the filter from bottom to top and is intercepted, filtered, absorbed and biologically degraded by the activated carbon filters and the micro-organisms attached to the activated carbon filters to remove the contaminants in the water. The filters have high purification efficiency of contaminants, good washing effect and low cost, save energy and are suitable for biological feed water treatment of micro-polluted water.

The invention discloses quantitative filter paper, comprising an inflow layer, a middle layer and an outflow layer. The inflow layer is made by forming, pressing and drying slurry 14 DEG SR to 17 DEG SR in beating degree; the middle layer is made by forming, pressing and drying pulp 19 DEG SR to 21 DEG SR in beating degree; the outflow layer is made by forming, pressing and drying pulp 23 DEG SR to 25 DEG SR; the inflow layer, the middle layer and the outflow layer are made of the pulp of same material. The invention further discloses a preparing method of and application of the quantitative filter paper. The layers have different beating degrees of the pulp, the different void distributions of the insides are ensured, and high filtering speed, high precision and high stability are integrated; the preparing method ensures that the fibers in the layers are tightly tangled together, no evident interface occurs, the three-layer composite filter payer manufactured with the pulp is in a complete structure, and smoothness of the separating process is ensured.

The invention discloses a strain for high-temperature composting of sludge and the application thereof and belongs to the technical field of microbial fermentation. The strain D1 is Ureibacillus thermosphaericus with the preservation number of CGMCC No.12329. The highest growth temperature of the strain is 80 DEG C, temperature increases fast during fermentation of organic matter such as composted sludge, the duration of high temperature is long, quick multiplication can be achieved in a high-temperature composting environment, organic matter is degraded, composting process is promoted, and all indexes meet the composting discharge standard. The invention further provides a preparing method and application of a composting inoculant prepared from the strain D1. The composting inoculant is low in production cost, stable in quality, capable of being applied to high-temperature sludge composting, environment-friendly, free of pollution, excellent in performance and high in economic benefits and social benefits, and water content of a pile is not increased.

The invention discloses a method for enhancing adipic acid yield in Escherichia coli, belonging to the field of bioengineering. The method is implemented by overexpressing beta-ketothiolase gene, 3-hydroxyacyl-coenzyme A dehydrogenase gene, 3-hydroxyadipyl dehydrogenase gene, 5-carboxyl-2-pentene acylcoenzymea A reductase gene and adipyl coenzyme A in different modules by using atoB-gene-knock-out Escherichia coli BL21 (DE3) as a host; and the adipic acid yield can reach 25.57 g / L. The recombinant bacterium can also perform cyclic fermentation; and after ten cycles, the adipic acid accumulated yield is up to 18.94 g / L. The method has important functions on industrial continuous mass production, can shorten the thallus growth time, and has the advantages of time saving, high speed and cost saving since the cyclic thallus fermentation is directly utilized.

The invention discloses a suspension ceramsite filter material for water treatment and a production method of the suspension ceramsite filter material. The method comprises the following steps of: crushing shale which serves as a raw material through a crusher, drying the shale, milling the shale through a ball mill, granulating the shale through a rotary table granulator, and firing in a rotary kiln at the firing temperature of 1,100 to 1,300 DEG C for 18 to 22min; naturally cooling and sieving ceramsites, selecting a grain size of 8 to 12mm, and floating in a water pool under the aeration intensity of 3 to 5L / (m<2>.s) to obtain floatation ceramsites; and wetting the floatation ceramsites in water to obtain the grain density of 0.9 to 1.1g / cm<3>. Shale ceramsites have the characteristics of hydrophilic surface, roughness, porosity, film formation, difficulty in dropping of a bio-film, large specific surface area and high mechanical strength, have the advantages of difficulty in hardening of a suspension filler, uniform water distribution and air distribution, low filtering head loss, light weight and washability, and are suitable for serving as bio-mass carriers for biological sewage treatment and biological micro-polluted water source water supply treatment.

The invention belongs to the technical field of domestic fungus production, relates to a domestic fungus culture material and especially relates to an edible fungus culture medium and a preparation method thereof. The edible fungus culture medium is prepared from tung tree sawdust, tung tree seed hull, bagasse, lime, gypsum, sugar cane bagasse and a nutrition additive. Each 1000g of the nutrition additive is prepared from 0.2-0.5 parts by weight of manganese sulfate, 0.2-0.5 parts by weight of ammonium molybdate, 0.5-1.5 parts by weight of calcium superphosphate, 0.3-0.8 parts by weight of copper sulphate, 0.2-0.6 parts by weight of zinc chloride, 0.1-0.5 parts by weight of selenium potassium phosphate, 4-10 parts by weight of diatomite, 1-3 parts by weight of honey and 2-5 parts by weight of cane sugar juice. The preparation method of the edible fungus culture medium has simple processes. The product of tung tree is used for preparation of the edible fungus culture medium, can be fermented fast, contains lasting-action nutrients, does not pollute the environment, has no pesticide residue and no heavy metal residue and is conducive to domestic fungus production.

The invention discloses a preparation method of fried dough twists without additives, solving the problems of poor crisp taste of fried dough twists, damage to human body health, high oil absorption of fried dough twists existing in the traditional making of fried dough twists by inevitably adding food additives. The method of the invention comprises the following steps of: evenly mixing leaven and seasonings with water; adding flour and evenly kneading into dough; then, twisting the dough into long fried dough twists; and putting into a pot to fry, wherein high-temperature gluten breaking powder which accounts for 20-40 percent of the mass of the flour is also added to the raw materials and is prepared by the high-temperature anhydrous treatment of the flour. The invention has extremely simple production process, low production cost, no additive, low fat content and crisp taste without bitter taste and is suitable for all crowds.

The invention discloses a method for preparing fermented preserved meat by adopting grain fermentation liquor. The method for preparing the fermented preserved meat by adopting the grain fermentation liquor comprises the following steps of: cutting raw meat, preparing fermentation liquor, stirring materials, fermenting and drying. The method for preparing the fermented preserved meat by adopting the grain fermentation liquor has the advantages that pure natural fermentation liquor is combined with the traditional preserved meat processing technology, five-grain natural fermentation liquor is used for substituting a microbial starter culture, and a three-stage fermentation drying process is adopted, so that the aims of rapid fermentation and low cost are achieved, smells of fish and mutton can be effectively inhibited, and the obtained fermented preserved meat product maintains natural properties and also has a unique flavour.

The invention discloses a Chinese sauerkraut pickling method which is characterized by comprising the steps of preparing vegetables, heating the vegetables, quickly cooling and drying the vegetables, putting the vegetables into a pot, adding water, adding vitamin C, adding lactic acid bacteria, compacting, fermenting in the pot and the like. According to the Chinese sauerkraut pickling method, the pickling time is short; nutritional components of the original Chinese cabbages are furthest retained; Chinese sauerkraut is enriched with the nutritional substances such as the vitamin C, ammonia acid, organic acid and dietary fibers; by the adoption of the clean and sanitary pickling method, the Chinese sauerkraut contains a large amount of edible nutritional components; natural plant enzymes can be produced in a pickling process, so that the effect of keeping the normal physiological function of the gastrointestinal tract can be achieved; furthermore, the upper parts of the Chinese sauerkraut are jade white, and the Chinese sauerkraut leaves and the heart of the Chinese sauerkraut are slightly yellow, so that the tender feeling is achieved; the Chinese sauerkraut tastes sour and delicious and can stimulate the appetite. The method is scientific and reasonable; the content of lactic acid bacteria is high, so that the Chinese sauerkraut can be quickly fermented, and the phenomenon that the health of a human body is harmed as amine substances are produced in the initial stage of fermentation due to high harmful bacteria content and nitrite amine is produced under the reaction between the amine substances and nitrite in the later stage of the fermentation is avoided; furthermore, the production of the nitride can be reduced because the content of the lactic acid bacteria is high.