2663results about How to "Meet production requirements" patented technology

The invention discloses an efficient paraffin sweatbox. The sweatbox comprises an inner cavity, a heating layer, a heating tube, an outer water inlet tube, a feeding tube, an inner water inlet tube, an inner water outlet tube, an outer water outlet tube and a discharging tube, wherein a heating tube which is arranged in a rotating mode is arranged inside the inner cavity; the feeding tube is arranged on the upper part of the inner cavity; the discharging tube is arranged on the lower part of the inner cavity; the heating layer is arranged outside the inner cavity; the external water inlet tube is arranged on the upper part of the heating layer; the outer water outlet tube is arranged on the lower part of the heating layer; the inner water inlet tube connected to the outer side of the inner cavity is arranged on the upper part of the heating tube; and the inner water outlet tube connected to the outer side of the inner cavity is arranged at the lower side of the heating tube. The heating tube which is extended like a spring in a rotating mode is arranged inside the effective paraffin sweatbox, so that the paraffin is heated uniformly; and the efficient paraffin sweatbox is used in the industry.

The invention relates to a Chinese herbal medicinal forage for a laying hen and a preparation method thereof. The Chinese herbal medicinal forage for the laying hen comprises two parts of a raw material pulvis which comprises soybean meal, wheat bran, corn, wheat gluten powder, carrot powder, a feed of visceral organs of fresh fish, and the like and a Chinese herbal medicinal additive which comprises raw materials of honeysuckle flower, phellodendron, Radix Codonopsis, bitter apricot kernel, licorice, fructus forsythiae, isatis root and the like. The preparation method comprises the followingsteps: sequentially crushing above raw materials, mixing, stirring, crushing, drying, stirring, bulking, and producing the hard particulate forage. The preparation method has the advantages of reasonable formula, convenient preparation and operation, good environmental protection effect and the like. The Chinese herbal medicinal forage, which can promote the metabolism level of an individual of the laying hen, has good prevention and treating effects on diseases of cold, bird flu, new castle disease, white diarrhea, gastritis, proctoptosia, red and swollen arse and bad digestive system of thelaying hen, and can obviously improve the immunological competence of the laying hen and effectively solve an epidemic prevention problem of a large-scale laying hen culturing farm, accords with production requirements of nuisance free eggs and has a high cost performance.

The present invention belongs to extraction of nonferrous metal, and it is a method for deep removing impurities of elements of K, Mo, Fe, Co, Ni and Cu, etc. from manganese sulfate solution. It is characterized by that the precipitant or reagent can be added into the manganese sulfate solution to form precipitating agent in the solution to remove the impurities from solution. The EMD extracted by said method not only can meet the requirements for producing functional cell, but also its process is simple and cost is low.

The invention relates to a numerical control drilling and milling device provided with a plurality of independent processing systems, which comprises a computer for control and a drilling and milling machine. The computer is provided with a numerical control card and connected with the drilling and milling machine through an interface of the numerical control card, and the drilling and milling machine comprises a machine tool frame and a processing unit; and the processing unit is arranged on the machine tool frame which comprises a lathe bed and a gantry, the processing unit comprises a feeding device and a main shaft device, the feeding device comprises an X-axis feeding mechanism, a Y-axis feeding mechanism and a Z-axis feeding mechanism, the main shaft device is arranged on the feeding device, the number of the processing unit is at least two and each processing unit is provided with a corresponding interface of the control card. The drilling and milling device can carry out different processings simultaneously, can carry out two processing modes of drilling and milling simultaneously, has more processing modes and flexible application, can meet production requirement better, has higher production efficiency, and well integrates a plurality of numerical control drilling and milling machines into a numerical control drilling and milling machine provided with the plurality of the independent processing systems.

The invention relates to a human body measurement method, in particular to the non-contact human body measurement method for clothing design which belongs to the technical field of clothing design. The digital images of the front surface and the side surface of the human body are firstly obtained; the extraction of the image edges are carried out by adopting the color segmentation, the best threshold segmentation, the hole filling, the opening operation and the pixel communication image processing method, thereby obtaining the image edges of the front surface and the side surface of the human body; the human body measurement feature points and the lines are determined, the corresponding height and width measurement data of the human body for the clothing design are obtained by calculation; a mathematical model is established by applying the width and the thickness data of the human body to obtain the related circumference data, and the human body circumference measurement data for the clothing design is obtained by BP neural network simulation and regression prediction treatment. The method has simple device, convenient operation and low measurement cost, thereby being capable of meeting the requirements on the design and the production of the clothing industry and having broad popularization and application prospects.

The invention discloses a full-automatic double-work-station screen printing machine, which comprises a printing system, a drying system and an electronic control system, wherein the printing system comprises a base, a left work station printing device, a right work station printing device and a leveling device, wherein the left work station printing device and the right work station printing device are mutually independent and mounted above the base; the leveling device is arranged between the left work station printing device and the right work station printing device; each work station printing device comprises a material loading mechanism, a substrate transmitting and positioning mechanism and a screen printing mechanism which move in a matched manner. Compared with the prior art, the full-automatic double-work-station screen printing machine has the beneficial effects that the full-automatic double-work-station screen printing machine is provided with the left and the right double-work-station printing systems, each work station printing system can independently complete the printing operation, the whole process of material feeding, transmitting, positioning, printing, leveling, drying and collection is automatically controlled at the same time, the efficiency is high, the cost is low, the maintenance is convenient, and the requirements of batch production and the production requirements of high-end products can be effectively met.

The invention provides a coiling / uncoiling apparatus and its method for separating a bundle into parallel single filaments. The apparatus comprises a separator and a tension control apparatus, wherein the separator comprises a filament separating fastener, the tension control apparatus comprises a coiling / uncoiling rack, a drum rack disposed on the coiling / uncoiling rack and a tension controller, the drum rack fits with the tension controller by a shaft connection. The method comprises following steps: 1) employing the front end part of the cable rope filament production process, changing the coiling forming step, employing the filament separating fastener to separate the bundle into parallel single filaments and coil parallely onto special drums; 2) controlling the tension through the tension control apparatus, uncoiling the formed parallel single filaments on the special drums through the filament separating fastener; 3) employing the coiling machine for the split film filament production process to coil the single filaments with constant tension. The filaments produced with the invention have low costs and can satisfy the woven material production requires.

The invention discloses a cigarette packet seal defect detecting system based on image identification technology. The cigarette packet seal defect detecting system comprises a camera connected to a cigarette making device, a fiber optic sensor, an optoelectronic switch, a programmable logic controller (PLC), a rejection unit, a detecting computer and a monitor display. An image detection system comprises a cigarette packet acquisition module, a cigarette packet image conversion and transmission module, a cigarette packet processing and identifying module, a logical control module, an on-line detecting and monitoring module, and an unqualified cigarette packet rejection unit module. A rapid cigarette packet seal defect detecting method based on image feature recognition is also provided. The invention provides the defect detecting system and the method which are used for cigarette online production small packet seals and cigarettes factory small packet cigarette making devices, and are based on image identification technology.

An embodiment of the invention provides a three-dimensional (3D) display device and a manufacture method thereof, which relate to the technical field of 3D display. A parallax retaining board can be manufactured in a display device box molded through opposite boxes, arch height of a lens is reduced, increasing of new processes or adoption of new production devices is avoided, and production cost is reduced. A 3D liquid crystal display device comprises a grating layer, a thin film transistor (TFT) array substrate molded through opposite boxes and a color film substrate. The TFT array substrate comprises a plurality of pixel units divided through grating lines and data lines crossing transversely and vertically. Each pixel unit comprises a pixel electrode and a TFT circuit. Each pixel electrode of each pixel unit comprises at least two left view field pixel electrodes and at least two right view field pixel electrodes, and the left view field pixel electrodes and the right view field electrodes are at interval. The TFT circuit of each pixel unit comprises a first sub TFT circuit connected with the left view field pixel electrodes and a second sub TFT circuit connected with the right view field pixel electrodes. The embodiment of the 3D display device and the manufacture method are used for manufacturing the 3D display device.

The invention discloses a low-pressure ethanol recovery device and method with triple effect rectification. The low-pressure ethanol recovery device with triple effect rectification comprises a first rectifying tower, a second rectifying tower, a third rectifying tower, a rectifying tower reboiler, a rectifying tower feed preheater, a condenser, a return tank, a dilute ethanol feed preheater, a temporary finished product storage tank and a finished product cooler. In the ethanol recovery method with triple effect rectification, by controlling the recovery of the finished ethanol in the second rectifying tower, the content of ethanol in tower bottom wastewater of the second rectifying tower is 5wt%-30wt%, the temperature of the tower bottom wastewater is 100-120 DEG C, and the working pressure of the third rectifying tower is 250-400kPa. The invention adopts the low-pressure triple effect rectification technique and reduces energy loss in the technical process, thus greatly reducing the energy consumption; and the operating pressure and temperature of the third rectifying tower are greatly reduced, and the requirements on the high temperature resistant and corrosion resistant properties of equipment are reduced, thereby reducing the equipment investment and the maintenance cost.

The invention discloses a high-performance recycled PET / ABS alloy. The alloy comprises the following components in percentage by weight: 30 to 80 percent of recycled PET, 10 to 50 percent of ABS, 1 to 10 percent of reinforcing agent, 2 to 15 percent of compatilizer, 0.5 to 5 percent of flexibilizer, 0.5 to 3 percent of polyhydroxy chemical coupling agent, and 0.1 to 1 percent of antioxidant. The alloy can improve a recycled PET system by using reasonable matching of additives, effects of the polyhydroxy chemical coupling agent, and excellent physical mechanic properties of an ABS system. Therefore, the recycled PET / ABS alloy has the advantages of high compatibility, high tensile strength, high mobility, good machinability and the like, is particularly suitable for producing complicated components and parts and large plates, has a simple process, is suitable for mass production of medium-sized and small enterprises, and has obvious economic benefit and social benefit.

The invention discloses a preparation method of hydrogenated xylylene diisocynate. The preparation method of the hydrogenated xylylene diisocynate comprises the following steps: (1) performing salt forming reaction on 1,3-cyclohexanol dimethylamine and concentrated hydrochloric acid in a two-phase reaction solvent to obtain amine salt, wherein the two-phase reaction solvent consists of water and an inert organic solvent insoluble in water ; (2) performing photochemical reaction on the ammonium salt obtained in the step (1) and phosgene in an inert solvent by taking N,N-dimethylformamide or N,N-dimethylacetamide as a catalyst to obtain reaction liquid, and performing aftertreatment on the reaction liquid to obtain the hydrogenated xylylene diisocynate. The preparation method of the hydrogenated xylylene diisocynate has the advantages of complete ammonium salt formation, small grain size of the ammonium salt, low viscosity of the ammonium salt, high space-time conversion rate of photochemical reaction, simple process, low cost and the like.

The invention provides an online detection device for the pulp flow rate and a multi-parameter online detection integration system, which comprise a pulp container which has a feed port and a discharge port and is arranged on a support through a, weighing cell, a pulp flow rate detection device which is provided with a soft connector at the discharge port, and / or a pulp density measuring device, a pulp grain size measuring device and a pulp grade measuring device. The online detection device for the pulp flow rate and a multi-parameter online detection integration system can not only measure any single index of the flow rate, density, grain size and grade of the pulp according to requirements, but also simultaneously measure two or above two or even all of the indexes with high measuring accuracy, good stability and reliability. The online detection device for the pulp flow rate and a multi-parameter online detection integration system also have the advantages of simple structure, high working efficiency, low labor intensity, wide application range, etc., thereby being capable of providing the highly reliable flow rate, density, grain size and grade control parameters for liquid products to ensure product quality, reduce cost and improve working efficiency, and providing a highly guaranteed measuring device and system for full automatic control.

The invention provides a graphene and a preparation method thereof, belonging to the technical field of grapheme synthesis. Nitrogen-doped grapheme can be prepared by using a direct current electric arc method and taking mixed gas of ammonia gas and helium gas as reaction atmosphere. The nitrogen-doped grapheme with high yield can be prepared by adopting the preparation method of the grapheme under low pressure and low current and has high production safety. The purity of the prepared grapheme is over 97 percent; by the characterization of a transmission electron microscope, the layer number of the prepared grapheme is between 2 and 6, the size of grapheme sheets is between 100 and 200 nanometers and the interlayer spacing is about 0.4 nanometer. The produced nitrogen-doped grapheme has favorable application prospect in catalyst carriers, lithium ion batteries, conductive thin films and other aspects.

The invention belongs to the technical field of environmental engineering, and particularly relates to a process for preparing a sludge autoclaved aerated concrete building block. The process mainly comprises the following steps of: (1) quickly stirring and mixing spare dried sludge, water and lime, coal ash, cement, gypsum and aluminum powder with physical and chemical properties meeting the brick making requirements in a certain ratio and in turn; (2) feeding the mixture obtained in the step (1) into a die, and putting the die into a thermostatic curing box of 40 DEG C or 60 DEG C to perform foaming and curing for 4 hours; (3) putting the blank foamed and cured in the step (2) into an autoclave, and curing the blank for over 8 hours by adopting a stepwise buck-boost curing mode; and (4) piling the product discharged from the autoclave outdoors for over 2 days. The process can reach hazard-free and recycling treatment of urban sludge, save clay resources and save the brick making cost, and has remarkable economic, social and environmental benefits.

The invention belongs to the technical field of semiconductor materials, and relates to a Ge / Si1-xGex super-lattice structure and preparation thereof. The high quality strain Ge / Si1-xGex super-lattice structure comprises a Si substrate, and a Si0.2Ge0.8 virtual substrate layer, a B-doped Si0.2Ge0.8 epitaxial layer, a Si0.2Ge0.8 blocking layer, a Ge / Si1-xGex super-lattice layer, a P-doped Si0.2Ge0.8 epitaxial layer, a Si0.2Ge0.8 blocking layer and a Si protective layer sequentially and epitaxially grown on the Si substrate, wherein x is more than or equal to 0.6 and less than or equal to 0.7. The epitaxial layers are sequentially grown on the Si substrate by adopting a reduced pressure chemical vapor deposition method; the obtained super-lattice structure has the properties of low dislocation defect density, low thickness and flat interface / surface, and the Ge / Si1-xGex super-lattice is in a strain state; and the super-lattice structure has high quality and is particularly suitable for manufacturing silicon-based laser devices and waveguide modulators.

The invention discloses an antistatic blocking resistant smooth linear low-density polyethylene composition based on LLDPE as base, which comprises the following parts: 0.05-0.2% opening agent, 0.05-0.3% smooth agent, 0.05-0.3% antistatic agent, 0.05-0.2% anti-oxidant and 0.05-0.2% manufacturing and heat stabilizer, wherein the opening agent contains inorganic blocking resistant agent or organic opening agent; the smooth agent is amide, soap or organic silicane; the main auxiliary anti-oxidant is hindered phenol and phosphorus anti-oxidant; the antistatic agent adopts composite pattern of non-ionic typed antistatic agent and ion-typed antistatic agent. The making method compress the following steps: adopting LLDPE as base; adding blended auxiliary material into graining stage; or graining auxiliary agent into mother grain; adding mother grain; manufacturing specific material.

The invention discloses a method for producing cold-rolled steel strips. The method comprises the following steps of: performing krypton (KR) desulfurization treatment, converter dephosphorization-less slag decarburization and relative humidity (RH) light treatment on molten iron, and performing continuous casting to obtain a high-purity plate blank; heating the plate blank, performing rough rolling and precision rolling to obtain a hot-rolled plate, cooling the hot-rolled plate and coiling the hot-rolled plate into a hot-rolled coil; and performing cold rolling, annealing and flattening on the hot-rolled coil, and coiling the hot-rolled coil into a finished product. By the method for producing the cold-rolled steel strips, the cold-rolled steel strips which have high drawing property and good welding performance and can be used for flux-cored wires can be produced, the production requirement of the flux-cored wires is met, splash in the welding process is reduced, seams with good welding quality are obtained, and the automation level of welding is improved.

The present invention is process of producing pulp for producing viscose fiber, and solves the technological problem of wood pulp with papermaking level wood pulp sheet. The wood pulp modifying production process includes the following steps: paging the wood pulp sheet, alkali impregnating, dispersing, digesting, washing, depurating, bleaching, secondary washing, and fishing pulp. The process can produce wood pulp with the quality same as that of dissolved pulp and suitable for use in producing viscose fiber, and has low production cost and less environmental pollution.

The invention discloses a multi-index high-speed dynamic detection and material dividing method and device of an annular sliding bearing. According to the method, multiple indexes of the outer surface size and the inner surface coating defects of the sliding bearing are dynamically detected through machine vision, material division is carried out on workpieces according to the detection result through the color recognition technology of machine vision, and the method has the advantages of being high in detection efficiency, accurate in recognition, high in automation degree and the like. The device comprises a roller, a conveying belt, a high-definition camera, a digital control spraying device, an electric switch, a computer system and the like, wherein the high-definition camera is used for carrying out multi-index dynamic detection on the sliding bearing rotating in a fixed-axis mode, whether defects exist is recognized and material division is carried out through the high-definition camera and a limiting switch, the detecting speed is as high as 120-180 per second, the recognition accuracy is as high as 100 percent, automatic production is fully realized, and the detection cost is largely reduced.

The invention relates to aluminum alloy section material heat insulation bar special enhancing plasticizing nylon 66 composite material and its preparing method. Its components part by weight as follows: nylon 66 resin 100, graft elastomer 5-15, glass fiber 0-40, inorganic filling 0-30, silane coupler 0.5-3, dispersion lubricant 0.5-4, compound antioxidant 0.3-3, graft polyethylene 3-10, and black agglomerate 3-5. The preparing method includes the following steps: batching, mixing, fusing, cross blend extruding granulating with 240-270 degree centigrade extruding temperature, packing. The enhancing plasticizing nylon 66 composite material has the advantages of high strength, luster, fluidity, low water absorption etc.

The invention relates to a seed dressing agent and a preparation method thereof. The seed dressing agent is prepared by the following raw materials in parts by weight: 1-15 parts of stellera chamaejasme L, 5-10 parts of hop, 25-30 parts of pepper, 25-30 parts of ginkgo biloba sarcotesta, 26-30 parts of fructus cnidii, 17-30 parts of azedarach and the like. The seed dressing agent provided by the invention can be used for treating soil in front of seedlings after planting and preventing and removing farmland weeds and has broad spectrum sterilization property. Compared with the prior art, the seed dressing agent is good in weeding effect, safe to environment and unlikely to generate weed insecticide resistance and the like, thereby having an extensive application prospect.

The invention provides a process for casting a thick and large nodular cast iron valve plate. The process comprises the following steps of: (1) manufacturing a mould; (2) manufacturing a casting mould and a sand core; (3) drying and integrating; (4) smelting; (5) pouring; and (6) shaking out and cleaning. In the process, a large number of external chilling blocks and sand separation chilling blocks are used on upper and lower surfaces of a casting for chilling, appropriate placing positions and thickness are selected, and shrinkage cavity and shrinkage porosity of the casting are effectively avoided; meanwhile, a good graphite balling state is ensured by quickly chilling, a feeding head is avoided, the casting is easy to clean, 5 percent of molten iron using amount is saved, and production cost is reduced; a semi-closed casting system is adopted by a casting system, an ingate is uniformly distributed around the casting mould, and the casting mould is slightly scoured, and a good residue stopping effect is achieved; and under the action of chilling of chilling blocks, the thick and large nodular cast iron casting which is smelted by a cupola furnace is good in moulded surface, and meets production requirements, offscourings and sand are avoided, and process yield is improved by 5.9 percent.

The invention relates to a manufacturing technique of plant drought-resistant water-preserving organic fertilizer, comprises the following steps: weighing component weight parts: humic acid 150-300, microelement or biological bacterium fertilizer 10-30, fermentative excrement of human, livestock, poultry 600-700; mixing granulating and screening to get particles which phi 1-3 mm, baking, rescreening; putting 780-820 parts in a pelletizer, spraying water on particle surface when rolling, then feeding to a rotary drum with 18-22 parts of water-preserving agent, coating in the rotary drum pelletizer; feeding coated organic fertilizer in a rotary drum pelletizer with 20-40 parts of bentonite, when the bentonite separate the organic fertilizer fully, screening excess bentonite; feeding coated organic fertilizer sticking with bentonite after screening in a dryer, through sampling and detecting during drying procedure, when water content gets to less than 8%, taking out all organic fertilizer, airing to normal temperature to get products. The invention has advantages of drought-resistant and water-preserving, good nutrient preserving capability, low cost, simple and convenient application method.

The invention relates to a production method of tobacco sheet cigarette paper. The method comprises the following steps of: (1) adding tobacco leaf pieces or tobacco stems into hot water, and extracting at 40-70 DEG C for 20-40 minutes, wherein the adding amount of the hot water is 3-5 times of the weight of the tobacco pieces; (2) primarily extruding the extracted tobacco leaf pieces or tobacco stems with a pulp extrusion machine, then adding hot water of which the amount is 1-3 times of the total weight of the tobacco leaf pieces or tobacco stems, extracting at 45+ / -5 DEG C for 20 minutes, extruding again, and then pulping with a pulping machine until the SR (Schopper-Riegler) degree reaches 25-40; (3) pulping applied fibers with the pulping machine until the SR degree reaches 40-75, mixing with the tobacco pulp, and making cigarette paper, wherein the adding amount of the applied fibers is 0.25-0.5 time of the total weight of the tobacco leaf pieces or tobacco stems; and (4) mixingthe two extraction liquids, then concentrating until the relative density reaches 1.02-1.2 g / cm<3>, adding potassium salts, food pigments and spices, mixing to obtain a coating liquid, and spreading the coating liquid on the cigarette paper. The method provided by the invention can improve the cigarette quality, can reduce the woody smoke of cigarettes and reduce the irritation, and makes naturalsweet taste of tobaccos more predominant.

The invention discloses a preparation method for a chlorella anti-oxidative peptide. The preparation method is as follows: by taking chlorella as material, carrying out wall-breaking treatment on the chlorella to obtain soluble protein by utilizing a dilute alkali swelling-combined ultrasonic-wave process; and hydrolyzing the chlorella protein by a biological enzyme method to obtain the chlorella anti-oxidative peptide with remarkable anti-oxidative effect. The invention further discloses a treatment process combining ultralow temperature treatment, high pressure treatment with dilute alkali swelling and ultrasonic waves, which can improve yield of the water-soluble protein and can further improve anti-oxidative ability of hydrolysate. A product obtained by virtue of the preparation method disclosed by the invention is high in purity and strong in anti-oxidative activity.

The invention discloses a synthetic resin adhesive for an E0 / E1 grade flakeboard, which is melamine modified urea-formaldehyde resin; formaldehyde with the concentration of 48 percent in mass percentage is adopted as a raw material; the adhesive comprises the following reaction materials in percentage by mass: 4.0 to 5.0 percent of melamine, 43.0 to 45.0 percent of urea, 48.0 to 51.0 percent of formaldehyde, 1.00 to 1.10 percent of addition agent, 0.20 to 0.22 percent of polyvinyl alcohol and proper acid and alkali; the total molar ratio is between 1.08 and 1.11; and the materials are reacted and synthesized, thereby preparing the adhesive. The high-concentration formaldehyde is adopted as the raw material; the adhesive has excellent bonding strength, proper curing time, good storage stability and the free formaldehyde content of between 0.06 and 0.08 percent; with the adhesive, the E1 and E0 flakeboard with excellent quality can be stably produced; and the adhesive has the advantages of low adhesive application amount, strong process adaptability, rapid curing, etc.

The invention discloses a soybean sauce employing multi-strain starter propagation and a production technology thereof. By adopting the method, the starter propagation process of a plurality of strains for naturally brewed soybean sauce is simulated, and yeast, lactic acid bacteria and composite aspergillus oryzae are adopted for starter propagation in common. The multi-strain starter propagation comprises the following steps: inoculating 0.1-0.5% of aspergillus oryzae and a koji material containing 10<3>-10<5> yeasts per gram at the initial starter propagation stage according to the weight of the raw material; and inoculating a koji material containing 10<3>-10<5> yeasts per gram after loosening koji for the first time. The yeast quantity in finished koji is 10<5>-10<7>cfu / g, the lactobacilli count is 10<5>-10<7>cfu / g, and the ratio of the lactic acid bacteria to the yeasts is (20:1) to (1:1) by collaborative symbiotic roles of three brewing microorganisms in the starter propagation process, flavor microorganisms (lactic acid bacteria and yeasts) with a proper proportion are provided for the fermentation stage of the soybean sauce, and the flavor of the soybean sauce product is finally enhanced.

The invention discloses equipment using fermentation dross to produce high activity high nutrition forage; the equipment comprises a box body; an inner side of the top of the box body is provided with an air window, an atomizer mechanism, and ultraviolet lamp tubes; an outer side of the top of the box body is provided with a water container and a mixing chamber; the upper portion of the mixing chamber is provided with a cooling zone; the lower portion of the mixing chamber is provided with a blender and a connected fermentation bed mechanism arranged in sequence from top to bottom, wherein the fermentation bed mechanism is arranged in the box body; the bottom of the box body is provided with a ventilation input pipe and electric heaters; the ventilation input pipe is connected in sequence with an air filter and a blower / air cooler; a side face of the box body is provided with a discharge window, another side face of the box body is provided with an access door and an ozone generator, and a temperature humidity control module is arranged in the box body. The invention also discloses a method using fermentation dross to produce high activity high nutrition forage; the method can realize full fermentation, is high in fiber degraded rate, large in protein raising rate, high in active substance content, and less in energy loss; inner environment conditions of the equipment are easy to control.

The invention relates to a silver nanoparticle-containing bacterial cellulose membrane and a preparation method thereof. Silver nanoparticles in the bacterial cellulose membrane are attached to the microfiber surface of a three-dimensional network structure of the bacterial cellulose membrane, and the silver nanoparticles are in an amount which is 0.1 to 15 percent of the total weight of the cellulose membrane and have the particle size of between 8 and 50nm. The preparation method comprises the following steps of: soaking the bacterial cellulose membrane in silver salt solution at room temperature for 10 minutes to 5 hours and taking the soaked membrane out; cleaning the surface of the bacterial cellulose membrane by using distilled water; irradiating by an ultraviolet radiation method for 0.5 to 6 hours to obtain a silver nanoparticle-containing bacterial cellulose wet membrane; and performing dehydration treatment to obtain the silver nanoparticle-containing bacterial cellulose membrane. The bacterial cellulose membrane has high bacteria resistance, high air permeability, high water-holding capacity and controllable moisture content and is suitable to be used as a trauma medical dressing; and in the invention, a chemical reduction reagent is not required to be added, an environment-friendly and safe process condition is realized, and equipment is simple and pollution-free.