422results about How to "Suitable for factory production" patented technology

The invention relates to a soil improvement technology and an environment protection technology and particularly discloses a biochar mixing type protected horticultural vegetable field soil heavy metal passivant and a preparation method thereof. The soil heavy metal passivant comprises the following components in percentage by weight: 50 to 60 percent of biochar, 5 to 10 percent of medical stone powder, 5 to 10 percent of diatomite powder, 10 to 20 percent of lignite and 10 to 20 percent of coal ash. The preparation method for the soil heavy metal passivant comprises the following steps of: mixing the medical stone powder which is screened by an 80-mesh sieve, the diatomite powder which is screened by an 80-mesh sieve, the lignite, and the coal ash which is screened by an 80-mesh sieve, uniformly stirring, mixing with biochar which is screened by a 20-mesh sieve, fully stirring, and mixing uniformly to prepare the soil heavy metal passivant. The soil heavy metal passivant is easy to prepare; and the effects of passivating the protected horticultural vegetable field soil heavy metal, and reducing the content of recyclable heavy metal of plant in soil can be achieved under the synergistic effects of all components.

The invention relates to the soil improvement technology and the environment protection technology, in particular to a soil heavy metal passivant for the facilities vegetable field and a preparation method thereof for solving the problem that due to solid heavy metal pollution, the sustainable utilization of the facilities vegetable field is influenced. The soil heavy metal passivant for the facilities vegetable field comprises the following components in percentage by weight: 10 to 30 percent of medical stone powder, 10 to 30 percent of diatomite in powder, 10 to 20 percent of zeolite powder, 20 to 30 percent of lignite and 25 to 35 percent of fly ash. The preparation method for the soil heavy metal passivant comprises the following steps: mixing the medical stone powder passing through a 80-mesh screen, the diatomite in powder passing through a 80-mesh screen and the zeolite powder passing through a 80-mesh screen with lignite and uniformly stirring the mixture; and mixing the mixture with the fly ash passing through a 80-mesh screen, sufficiently stirring the mixture and after mixing uniformly, preparing the soil heavy metal passivant. The invention has simple preparation method and achieves the effects of passivating the soil heavy metals in the facilities vegetable filed and reducing the content of heavy metals in the soil which can be utilized by the crops by synergistic effect of the components.

The invention discloses a method to prepare leaven of fertilizer and application, which is characterized by the following: allocating raw material with mass ratio at 10-80 wt industrial residue of ferment, 5-30 wt straw, 5-30 wt cake meal, 10-30 wt bran or rice bran, 1.5-2 wt aquacare, 0.5-1 wt NaCl and or amylaceum, and 1-30 wt brown ball Azotobacter (Azotobacter chroococcum), 1-30 wt bacillus megaterium (Bacillus megaterium), 1-30 wt bacillus licheniformis (Bacillus licheniformis), 1-30 wt plant lactobacillus (Lactobacillus plantarum) and 1-30 wt 1-5 strain of saccharomycopsis fibuligera (Saccharomycopsis fibuligera); producing the product.

The invention relates to a production method for an environment-friendly soilless lawn carpet, which mainly comprises the following steps: laying a waterproof layer, nonwoven fabric, a wadding fiber layer and a nutrition substrate layer in sequence; seeding grass seeds, coating with the nonwoven fabric and then laying vermiculite or zeolite particles; and finally periodically watering and fertilizing during the incubation period. The lawn carpet produced by the invention has short lawn forming time, labor conservation, low labor intensity, low management cost, high lawn purity, no weed, complete root system, good grass quality, uniform thickness, easy survival after transplantation, convenient management, and reeling and cutting property, and overcomes the defects of the prior lawn such as bad applicability and easy rupture. The produced lawn carpet has the advantages of long green period, fresh and green color, strong resistance, light mass, degradability, convenient maintenance convenient transportation and the like, and can be widely applied to the afforestation or the decoration of public places, airports, office buildings, residential building roofs and the like.

The invention discloses a cultivation substrate of an edible mushroom, a preparation method of the cultivation substrate and a cultivation method of the edible mushroom. The cultivation substrate of the edible mushroom comprises a carbon source, a nitrogen source, water and other auxiliary materials and is characterized in that all or a part of the nitrogen source is lactic acid fermentation residue; and all or a part of the water is replaced by lactic acid extract waste liquid. The lactic acid fermentation residue and the lactic acid extract waste liquid serve as raw materials of the cultivation substrate of the edible mushroom, and are recycled completely, discharge of waste residue and waste water is reduced, the cultivation substrate is appropriate to industrial production and has better social and economic benefits, and a new approach is provided for utilization of the lactic acid fermentation residue and the lactic acid extract waste liquid.

The invention relates to a high-efficiency breeding method of healthy seedlings of cane, the method is proposed aiming at the problems that seed performance degenerates, yield is greatly reduced and the quality is reduced, which are caused by that the cane is taken as asexually propagated crop, propagation coefficient is low, the amount of seeds used for cane implantation is large, and after the implantation of a plurality of years, the cane is easy to be infected with a disease; improved type healthy seedlings of the cane can be cultured by nine steps of seedling mild water detoxication processing, seedling sprouting, in vitro peeling inoculation, induction culture, virus check, propagation culture, rootage culture, domesticated seedling-refining and outdoor temporary planting; the method adopts the combination of mild water detoxication and stem tip detoxication with thorough detoxication and good effect; the direct peeling inoculation of the explant does not need to be treated with disinfection processing, has low pollution rate and light browning, and is easy to generate clustering buds by induction; the propagation coefficient is high, the speed is high, the period is short; the seed performance is table, the seedling is strong; the virus detection is precise and accurate; the survival rate of the outdoor temporary planting is high and is up to more than 90 percent; the production cost is low, the efficiency is high, and the method is suitable for industrialized production.

The invention discloses an integral tensioning and relaxation system for pre-tensioning method prestressing technology and a process, which have the advantages of simple construction, material saving, and an accurate exertion of prestressing force value. The integral tensioning and relaxation system comprises a fixed cross beam at a passive end, a prefabricated pedestal, a fixed cross beam at a tensioning end, a movable cross beam, and a pair of jacks arranged between the fixed cross beam at the tensioning end and the movable cross beam. The invention is characterized in that the invention at least comprises one fine bundle spiral steel tool pull rod, and the fine bundle spiral steel tool pull rod is connected with a corresponding working pull rod through a connector for the corresponding working pull rod and a tool pull rod; the working pull rod is connected with a corresponding steel strand through a corresponding steel strand-fine bundle deformed steel bar connector; the other end of the steel strand is then connected with another corresponding working pull rod through the corresponding steel strand-fine bundle deformed steel bar connector; the working pull rod is fixed on the fixed cross beam at the passive end.

The invention relates to a tobacco plantation soil acidification improver and an application method thereof. The improver is prepared from the raw materials of: 20-30wt% of quick lime, 50-60wt% of dolomite powder, 5-10% of lime nitrogen, and 10-15wt% of peat. The application method comprises the steps that: (1) the soil is sampled, and pH value is measured; and (2) according to different pH values, the improver with different dose is applied. With the soil improvement structure, soil caking is prevented, soil organics are supplemented, and soil-borne diseases of tobaccos can be comprehensively controlled. The improver has the advantages of simple preparation method, easy-to-obtain raw materials, and low cost.

The invention discloses a method for preparing a black fungus puffed ultramicro powder. The method includes selecting black fungus sporophores to serve as a raw material, puffing black funguses by an instantaneous alternating temperature and pressure difference of a puffing tank of a puffing device, maintaining a valve between the puffing tank of the puffing device and a vacuum tank to be in an opening state all the time, subjecting the black funguses in the puffing tank to a vacuum drying, and subjecting the puffed black funguses to a coarse grinding and a superfine grinding to obtain the black fungus puffed ultramicro powder. According to the method, a high pressure gas serves as a carrier, by means of a puffing wall breaking process, a black fungus organization structure is subjected to a cytoclasis to release whole nutritional ingredients and medicinal effect ingredients which are easy to digest and use by human bodies, and problems that the black funguses are hard and not suitable for being chewed, digested and used are solved. Besides, when the black fungus puffed ultramicro powder can be mixed with foods of flours, cakes and the like, the black fungus puffed ultramicro powder has flavor and nutrition of the black funguses, and smoothing taste is increased. The method is low in production cost and suitable for industrialization production, and products are used for foods, health care foods, medicines and raw material extraction.

The invention relates to a method for rapidly breeding sugarcane stem tip by tissue culture and virus removal, belonging to the technical field of rapid breeding of plant by virus removal. The method comprises the following steps: carrying out disinfection pretreatment on a terminal bud of sugarcane and a cut double-bud stem section, with the terminal bud of the sugarcane and a stem tip tissue ofan axillary bud as explants, and carrying out stem tip initial culture, sprout differentiation culture, crowd sprout strong stock culture, plant root culture and virus checking by adopting a filter paper bridge culture way, thus massive virus-removed tissue culture seedlings are obtained. The invention has the advantages: the stem tip with the length of 1-2mm is taken as the explant, thus the processing operation is easy; the filter paper bridge culture way is adopted during the initial culture, thus the initiating speed is high and the perennial root dwarfing virus removing effect is thorough; and the stem tip is induced and germinated and is rapidly initiated and differentiates massive crowd sprouts, the month breeding coefficient reaches 5-8, and normomorph is realized in a long-term breeding process, thus the method is completely applicable to factory production on a large scale.

The invention relates to a soil modifier, specifically, relating to a mixed soil modifier with dejecta of domestic animal and poultry and phosphogypsum as main raw materials and preparation method thereof. The soil modifier comprises dejecta of domestic animal and poultry 50% to 65%, phosphogypsum 25% to 45%, and zeolite 5% to 10% according to dry weight percent, comprising steps of: mixing said raw materials in proportion, paying them on ground, drying them in shade, then processing air-dry treatment, to obtain finished product; for manufactory production, drying mixture after air-dry treatment, agitating it evenly, selecting it by sieve, packaging it to obtain the finished product. The preparation of the invention is simple with low finished product cost, adaptable to saline soil modification, and modification and repair of magnesite dust-polluted soil.

The invention provides a microbial fertilizer manufacturing method. Antibiotic fungus residue serves as a base material, and compound microorganisms are adopted to perform solid fermentation on materials, wherein the materials comprise waste rich in plant fiber and the antibiotic fungus residue. The compound microorganisms comprise cellulose decomposition bacteria and one or more of bacillus natto, saccharomyces cereviseae and lactobacillus plantarum. According to the microbial fertilizer manufacturing method, the problem that it is difficult to treat the fermented antibiotic fungus residue in a pharmaceutical factory at present can be solved. Furthermore, beneficial ingredients in the antibiotic fungus residue are can be utilized and converted into a microbial fertilizer, so as to solve the problem that at present, the soil hardening occurs and the fertility declines.

The invention discloses a paddy rice seedling breeding matrix, and belongs to the technical field of soilless culture. The full-nutrient paddy rice seedling breeding matrix is prepared from the following raw materials: decomposed organic manure, turf, clay, zeolite powder or bentonite, vermiculite, fine river sand, rice hull powder or corn straw powder or mushroom residue powder, soybean meal, ammonium sulfate, calcium superphosphate, potassium chloride, magnesium sulfate heptahydrate, zinc sulfate heptahydrate, ferrous sulfate heptahydrate, boric acid, copper sulfate pentahydrate, manganese sulfate monohydrate and sodium metasilicate nonahydrate. The full-nutrient paddy rice seedling breeding matrix disclosed by the invention has the advantages of high fertilizer-retaining property and water-retaining property, good air permeability, high buffering, full nutrient and more persistence in fertility, achieves the pH of 5.0-5.5, and is lower in cost by utilizing agricultural wastes, namely rice hulls, corn straws, mushroom residues and the like, suitable for batch production, good in seedling breeding effect and convenient for a farmer to use.

The present invention discloses one kind of lichi and longan preservative with high preserving effect, no toxicity, no environmental pollution and low cost and suitable for industrial production. The preservative consists of queensland arrowroot powder and bisulfite, pyrosulfite or dithionite capable of releasing SO2 when reacting with water and air. When the preservative is used, it is packed into non-woven polypropylene pocket, the pocket is set inside non-woven polypropylene bag for holding lichi or longan, and the bag is sealed and set into some packing box, with the amount of the preservative being 3.1-8.6 % of the weight of lichi or longan.

The invention discloses a method for using lily to prepare parent group to cultivate grouped and cross, belonging to plant group cultivate and cross technique. The inventive method comprises that preparing cultivate medium, using non-matured blank of lily as explant to be induced, increased, expanded, cultivated, refrigerated, transplanted, and virus detected, and using harmless tube bulb seed to plant in field, flower, and cross, to obtain lots of lily harmless seeds. The invention has the advantages in simple grafting operation, low pollution, high survival rate, low variant rate, high cross purity, high seed quality, shortened induce cultivate period, reduce cost and high practicality.

The invention relates to a composite heat insulation wallboard and a manufacturing method thereof. The composite heat insulation wallboard is characterized by comprising a bottom surface layer; the top of the bottom surface layer is connected with a heat insulation layer made of a cement foaming material, a layer of grid-shaped metal framework is embedded in the heat insulation layer close to the top, and the top of the heat insulation layer is connected with a decorative layer; and the left and right sides or left, right, upper and lower sides of the metal framework are provided with circular tubes or square tubes exposed out of the heat insulation layer and used for mounting dry-hang clips. The composite heat insulation wallboard has the characteristics of light weight, high integral strength, good decoration performance and the like at the same time of ensuring the effects of heat insulation and heat isolation; and the manufacturing method is convenient to mount and operate on site, can finish a plurality of working procedures of heat insulation, decoration, reinforcement and the like at the same time during once mounting, and has strong practicability. The composite heat insulation wallboard and the manufacturing method thereof can be widely applied to the occasions of outer heat insulation of outer walls of various buildings or building roofs, and the like.

The invention provides a preparation method for rooted vegetable black pickles and the black pickles prepared by the method. The preparation method comprises the following steps: cutting raw materials comprising root vegetables comprising radish or carrot or kohlrabi or Chinese artichoke or rutabaga or horseradish or alpinia japonica or sweet potato or dasheen or hot pickled mustard tuber head or potato or yam or burdock or platycodon grandiflorum into blocks or strips; and pickling, airing, fermenting and packaging. The fermented black pickles can completely eliminate the uncomfortable taste of the common raw pickles, so that the finished product is salty, sweet, fresh, fragrant and delicious, and the pickles are tender and smooth and particularly suitable for old people and people with bad teeth.

The invention relates to an agricultural waste recycling technology and a soil fertilizer technology, in particular to a blended facility vegetable field soil conditioner taking charcoal as a matrix and a preparation method thereof. The blended facility vegetable field soil conditioner comprises the following components in percentage by weight: 60 to 80 percent of charcoal, 5 to 15 percent of medical stone powder, 5 to 15 percent of zeolite powder and 5 to 15 percent of lime nitrogen. The method for preparing the soil conditioner comprises the following steps of: mixing and stirring the medical stone powder which is sieved with a 60-mesh sieve, the zeolite powder which is sieved with a 60-mesh sieve and the granular lime nitrogen uniformly, mixing the mixture with the charcoal, and stirring uniformly to prepare the soil conditioner. The method is simple and pollution-free, the volume weight of soil can be reduced, the buffer performance of the soil can be improved, the utilization rate of fertilizer nitrogen and phosphorus can be improved, and an effect of preventing and controlling soil-borne diseases is achieved.

A polymer modified asphalt for road is prepared through mixing the arylhydrocarbon-enriched low-wax component with thermoplastic rubber, and mixing with basic asphalt and additive. Its advantages are high storage stability and good ductility and low-temp performance.

The invention discloses a preparation method of a quartz ceramic crucible. The method comprises the steps of: adding quartz sand to a continuous melting furnace, heating to 1900-2400 DEG C so as to ensure that the quartz sand is fully molten; continuously discharging and drawing to obtain quartz glass via a shaping device of the continuous melting furnace, wherein the diameter of the quartz sand is smaller than 2mm, and all the contents of Fe, Na and K in the quartz sand are smaller than 5ppm; and then preparing the quartz ceramic crucible through a slip casting process by adopting the quartz glass as the raw material. The quartz ceramic crucible obtained through the preparation method disclosed by the invention is a high-purity quartz ceramic crucible with few impurities, and the whole preparation is simple and convenient and is suitable for industrialized production.

The invention relates to a soil fertilizer technology and a crop disease and insect pest control technology, in particular to a disease-resistant synergy-type conditioner of protected horticultural vegetable field soil and a preparation method thereof, solving the problem that sustainable utilization of protected horticultural vegetable field is affected by the lowering soil quality. The soil conditioner comprises the following components in percentage by weight: 30-50% of medical stone powder, 20-30% of lime nitrogen, 20-30% of lignite, 5-10% of zeolite power and 5-10% of dicyandiamide. The preparation method of the soil conditioner comprises the following steps: medical stone powder screened by a 60-mesh screen, zeolite powder screened by a 60-mesh screen, the dicyandiamide and lignite are mixed and evenly stirred; then the mixture and granular lime nitrogen are mixed and evenly stirred; and after being completely mixed, the mixture is prepared into the soil conditioner. The preparation method of the invention is simple, has no pollution, can obviously improve fertilizer nitrogen and phosphorus utilization ratio of the protected horticultural vegetable field, effectively prevent and cure soil-borne diseases and has the effect on improving physical and chemical properties of soil at the same time.

The invention relates to a preparation method of medicinal liquor by using cordyceps militaris in growth. The method comprises the following steps: 1) preparation of a culture medium: filling 20-30g of rice or wheat and 20-40ml of nutrient solution of the culture medium in a transparent culture container; preferably adding 0.4-1g of silkworm chrysalis or silkworm chrysalis powder; 2) high temperature sterilization; 3) inoculation and dark culture: placing a liquid bacterial strain in the transparent culture container to inoculate; after inoculation, putting the strain in a dark room to be cultured for 4-6 days; 4) growth from hypha to fruiting bodies: placing the culture medium in a cordyceps militaris culture room for light culture, wherein the fruiting bodies of cordyceps militaris can grow to about 10cm within about 5-8 weeks, and roots of cordyceps militaris and the bottom of the transparent culture container grow together; and 5) filling and spraying: washing nutrient solution residue inside the transparent culture container by distilled water or pure water, filling white spirit over 50 degrees in the transparent culture container in which cordyceps militaris grows, sealing the mouth of the container, and drinking in a month. The preparation method of the cordyceps militaris medicinal liquor avoids nutrient loss in processes of processing and storing dried cordyceps militaris and pollution caused by harmful substances in the prior art, and meanwhile, the medicinal liquor has a good appearance with immersed cordyceps militaris in growth.

The invention discloses a plant growth regulator and application thereof. The plant growth regulator has active components of prohexadione calcium and uniconazole. Experiment show that prohexadione calcium and uniconazole have obvious synergism, so as to realize an ideal anti-lodging effect, eliminate side-effects caused by individual existence, and substantially reduce a usage amount of the active components, environmental pollution, and agricultural cost.

The invention discloses a biological deodorant for animal feeding and belongs to the field of feed additives. The biological deodorant for animal feeding is composed of an active ingredient and an auxiliary protection carrier, wherein the active ingredient comprises synbiotics, the weight proportion of the synbiotics to the auxiliary protection carrier is (25-35): (50-65), the synbiotics are compounds of probiotics and prebiotics, and the mass fractions of the probiotics and the prebiotics are 65-80% and 20-35% respectively. After the biological deodorant for the animal feeding is used for feeding animals, all the active ingredients are synergistic in animal intestinal tracts, and finally the aim of reducing or eliminating odour of animal excrements is foundationally achieved, so that the biological deodorant for the animal feeding has good popularization and application values.

The invention relates to soil fertilizer and plant disease and insect pest control technology, in particular to a special disease-resistant and long-acting fertilizer of lawn and a preparation method thereof, solving the problem of lawn disease and insect pest control and fertilizer decrement application. The special disease-resistant and long-acting fertilizer for lawn comprises the following components in parts by weight: 10-15 parts of disease-resistant synergist, 30-40 parts of nitrogenous fertilizer, 20-30 parts of phosphatic fertilizer and 20-30 parts of potash fertilizer, wherein the disease-resistant synergist comprises the following components in parts by weight: 15-20 parts of medical stone powder, 15-20 parts of kieselguhr powder, 5-10 parts of zeolite, 20-30 parts of lime nitrogen, 5-10 parts of dicyandiamide and 20-30 parts of lignite. The preparation method of the special fertilizer comprises: medical stone powder, kieselguhr powder, zeolite, lime nitrogen, dicyandiamideand lignite are mixed and evenly stirred to prepare the disease-resistant synergist; and then the disease-resistant synergist, particle nitrogen, phosphorus and potash fertilizer are mixed and evenlystirred to prepare the special fertilizer. The preparation method of the invention is simple, has no pollution, can obviously improve fertilizer utilization ratio, prevents and cures diseases and prolongs lawn green period.

The invention relates to a soil amendment, in particular to a facility vegetable land soil amendment using magnesite tailings and a preparation method thereof, which solve the problems of soil acidification, salinization and the like on the facility vegetable land. The soil amendment comprises the following materials in percentage by weight: 90-95% of magnesite powder, 2-5% of lime nitrogen and 2-5% of zeolite powder. The preparation method of the soil amendment comprises the following steps: grinding the magnesite tailings into magnesite powder sieved by a 40-meshed sieve; and mixing the magnesite powder with powdery or granular lime nitrogen and the zeolite powder sieved by a 60-meshed sieve, and stirring fully until evenly blending, thus obtaining the soil amendment. The preparation method of the invention is simple and pollution-free, which can obviously improve the soil acidity and alkalinity environment of the facility vegetable land, and reduce exchangeable sodium saturation of the soil, and meanwhile has the effect of improving physical properties of the soil.

The invention discloses a method for brewing full-fermentation type rhodomyrtus tomentosa fruit wine, which adopts full rhodomyrtus tomentosa fruits for brewing the full-fermentation type rhodomyrtus tomentosa fruit wine, solves the problem that the rhodomyrtus tomentosa fruits contain a large quantity of pectin substances and tannin and are not suitable for processing the full-fermentation type fruit wine, and is different from other methods for brewing the rhodomyrtus tomentosa fruit wine. The method comprises the following steps: (1) selecting the fruits; (2) sorting and washing; (3) sterilizing the surfaces of the full fruits; (4) breaking; (5) canning; (6) fermenting; (7) performing liquid-residue separation; (8) clarifying, transferring to a tank, and ageing; (9) filtering and filling. The rhodomyrtus tomentosa fruit wine brewed by using the method is rich in fragrance, pure and mild in wine flavor and good in color; the problem of no purity and mild flavor of rhodomyrtus tomentosa fruit wine brewed by using a conventional process is solved; full nutritional ingredients of the rhodomyrtus tomentosa fruits are fully utilized; the quality of the rhodomyrtus tomentosa fruit wine is improved; a brewing process is simplified; the production efficiency is improved; the industrialization production application is facilitated.

The invention relates to a special base stock bag for oil-tea tree seedling cultivation and a preparation method thereof. Base stock comprises northeast peat soil, slow release fertilizer, a powder type water-retaining agent, bark grains, saw dust, rice hulls, yellow-clay fine powder, vermiculite and perlite. The preparation method of the base stock bag includes steps of raw material preparation, single term processing, raw material mixing, base stock bagging, long bag cutting and the like. The base stock bag greatly improves survival rate of seedlings and shortens a seedling growing period, the slow release fertilizer achieves even fertilizing matching with seedling fertility required rhythm, the water-retaining agent guarantees a water demand of seedlings in a survival period, and the northeast peat soil balances breathing of seedling roots and water retaining. The materials are easy to obtain, and the special base stock bag is suitable for industrialized production of grating seedlings of oil-tea tree seedlings.

The invention discloses a production method of a probiotic soil conditioner. The production method comprises the steps of: (1) respectively inoculating huge bacillus, bacillus subtilis and bacillus licheniformis into a seed cultivation medium to cultivate and obtaining respective seed liquid; (2) adding the cultivation medium for production into a fermentation tank to sterilize and cool; and (3) inoculating the bacillus seed liquid into the fermentation tank to cultivate under an oxygen-leading agitating condition, inoculating the bacillus subtilis seed liquid and bacillus licheniformis seed liquid to cultivate, and obtaining the probiotic soil conditioner. The invention also discloses the probiotic soil conditioner obtained by the method. The method disclosed by the invention is scientific and reasonable, simple and feasible in production process and strong in industrialization implementation, and has an important significance to the development of agricultural production.

The invention discloses an elevator car, comprising a bottom platform of the car, a car top and a car wall; the car wall consists of a plurality of independent car wall decoration plates; furthermore, the elevator car also comprises a supporting connection part, the bottom of which is fixed on the bottom platform of the car and the top of which supports the car top and sequentially connects the plurality of independent car wall decoration plates one by one, thus enclosing a cage-shaped structure; and the elevator car also comprises a fastening part which fastens the supporting connection part and the plurality of independent car wall decoration plates. The elevator car is convenient for replacing the interior trimming of the car, reinforces the impact endurance in the horizontal direction of the car wall, and ensures the fastness of the car.