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36results about How to "Easy to add ingredients" patented technology

Dry pressing molding equipment and method for silicon carbide composite ceramic processing

The invention discloses dry pressing molding equipment and method for silicon carbide composite ceramic processing, and belongs to the technical field of ceramic processing. The dry pressing molding equipment for silicon carbide composite ceramic processing comprises a crushing box, a granulation box, a rotating table and a base. A crushing cavity, a discharging cavity and a communication openingare formed in the crushing box, a crushing assembly is arranged in the crushing cavity, a storage cylinder, a second sealing assembly and a molding plate are arranged at the bottom of the granulationbox, and a molding groove is formed in the rotating table. The crushing assembly moves in a reciprocating mode to further crush and refine ceramic materials, the communication opening is opened through a first sealing assembly, and powder enters the discharging cavity through a scraper blade and enters the granulation box for granulation; the rotating table rotates intermittently through a drivingassembly, and the second sealing assembly moves to open a feeding pipe intermittently, so that the movement of the rotating table and the second sealing assembly are matched, feeding is carried out during the stop of the rotating table, and the feeding, molding and discharging can be carried out at the same time, and the molding processing efficiency is improved.
Owner:SHENZHEN SHINDY TECH

Preparation apparatus and method for lithium ion battery slurry

The invention belongs to the technical field of lithium ion batteries and especially relates to a preparation apparatus for lithium ion battery slurry. The apparatus comprises a solvent loading tank and a slurry agitator tank, wherein the slurry agitator tank is connected with a first vacuum pump; the apparatus further comprises a binder premixing tank, wherein the binder premixing tank is connected with a second vacuum pump; a discharge outlet of the solvent loading tank is connected with a feed inlet of the binder premixing tank through a first pipeline, and a discharge outlet of the binder premixing tank is connected with a feed inlet of the slurry agitator tank through a second pipeline. Compared with the prior art, the preparation apparatus provided by the invention has the following advantages: fluids like a solvent and a binder premixed liquid are added from the bottom of a tank to the top of the tank by using vacuum negative pressure, so it is guaranteed that there is only a two-phase interface of a liquid phase and a solid phase, maximum-efficiency mutual infiltration is realized, generation of bubbles in the slurry is reduced, dispersion is promoted, stirring time is shortened and operation is simple, which enables stirring time to be reduced and production efficiency to be improved. Furthermore, the invention also discloses a method of utilizing the apparatus for preparation lithium ion battery slurry.
Owner:DONGGUAN AMPEREX TECH

Metal fuel battery and fuel battery system thereof

InactiveCN105337003ASolve the problem of unsustainable power generationStable electric powerFuel and primary cellsFuel cellsEngineering
A metal fuel battery comprises a reactive metal powder negative electrode, air positive electrodes, an electrolyte and a battery shell. The metal fuel battery is characterized in that the metal powder negative electrode is composed of a negative electrode frame, metal powder and a negative electrode current collector, the negative electrode frame is arranged inside the battery shell, a metal powder charging opening is formed in the upper portion, the parallel air positive electrodes are arranged on the two outer sides of the negative electrode frame, a metal powder negative electrode material charging opening and an electrolyte feeding inlet are formed in the top of the battery shell, an electrolyte discharging outlet is formed in the bottom of the battery shell, and an air inlet and an air outlet are formed in the battery shell. A metal fuel battery system comprises a set of metal fuel batteries. The metal fuel batteries are connected in series or in parallel to form a fuel battery stack, battery monomers are connected with a metal powder charging groove and an electrolyte storage groove, and the electrolyte is circulated and filtered through a liquid flowing pump. The metal fuel battery is provided with the reactive metal powder negative electrode capable of achieving continuous charging, no metal electrode needs to be replaced, power generation can be continuously performed, the cost is low, and environmental protection is achieved.
Owner:WUHU HUAXINNUO ELECTROCHEM TECH

Traditional Chinese medicine cleaning machine

The invention relates to a cleaning machine for Chinese medicinal materials, comprising a cleaning cylinder connected with a driving device, the driving device comprising a driving shaft, two ends of the driving shaft passing through and extending out of the cleaning cylinder, the driving shaft is connected with a driving motor through a reducer, and the driving motor There is an electromagnetic brake, a universal coupling is arranged between the reducer and the drive shaft; a water delivery pipe is arranged in the drive shaft, and the water delivery pipe extends into the cleaning cylinder; a water spray device is arranged on the drive shaft, and the water spray device includes a spray The water pipe, the side wall of the water spray pipe is provided with a number of water spray holes, the drive shaft is fixed with a connecting pipe that communicates with the water delivery pipe, the connecting pipe is provided with a reciprocating spiral groove, the water spray pipe is provided with a slider, and the slider slides It is installed in the reciprocating spiral groove, and also includes a turbine arranged in the connecting pipe, and the turbine is fixed on the water spray pipe; the wall of the cleaning cylinder is provided with a water filter hole, and the water filter hole is provided with an elastic baffle. The stirring effect of the Chinese medicinal materials in different positions in the cleaning cylinder is good, the water is added evenly, the cleaning efficiency is high and the cleaning quality is good; the operation is convenient.
Owner:YULONG JINWANG CHINESE MEDICINAL HERBS PLANTING CO LTD

High-pressure distillation essential oil separation and purification treatment device and separation and purification method

The invention discloses a high-pressure distillation essential oil separation and purification treatment device and separation and purification method. The device comprises a distillation barrel, andthe edge part of the bottom end of the outer side of the distillation barrel is sleeved with an electromagnetic heater. The bottom end of the distillation barrel is in threaded connection with a sealed conical top. The middle part of the top end of the sealed conical top is fixedly connected with a steam discharge pipe. A feeding opening is formed in one side of the outer part of the sealing conical top. A sealing cover plate is rotationally connected to one side of the feeding opening. The bottom end of the distillation barrel is fixedly connected with a slag discharging opening. An evaporation enhancement mechanism is fixedly connected to one side, corresponding to the top of the electromagnetic heater, of the distillation barrel. Liquid enters an annular pipe from the top of a liquid outlet pipe and is sprayed out of a drainage nozzle, the contact area between liquid in the distillation barrel and air is increased, the evaporation rate of the liquid is further increased, meanwhile,fixed raw materials attached to the inner wall of the distillation barrel can be flushed to the bottom of the distillation barrel, the distillation process of essential oil production is optimized, and the essential oil extraction efficiency is improved.
Owner:陈国全

Intermediate frequency smelting furnace building technology

The invention discloses an intermediate frequency smelting furnace building technology. The intermediate frequency smelting furnace building technology includes the following steps that 1 asbestos cloth is tailored in advance according to the size of an electric furnace, and a quartz sand mixture is prepared according to the size of an intermediate frequency furnace; 2 the asbestos cloth tailored in advance is arranged on a coil from top to bottom, wherein the coil is arranged in a cavity of a furnace body to be built; 3 daubing is conducted; 4 furnace baking and sintering are conducted. The intermediate frequency smelting furnace building technology is reasonable in process, simple to operate and low in production cost. After quartz sand and appropriate water are stirred and mixed, the adhesion is high, charging and daubing are convenient and simple, a furnace lining is high in compacting degree, and the service life of the furnace is prolonged. Furnace building is conducted by using the technology, the furnace building cost each time is 15000 RMB, the service life of a furnace built each time is about 430 years, the furnace building cost consumed by fusion per ton iron liquid on average is 11.63 RMB, the furnace building labor cost, the furnace building shut-down cost and the like are not included, and therefore the furnace building technology saves the furnace building cost and lowers the overall casting cost.
Owner:GUANGDONG HENGCHENG TECH

Wallpaper blade coating mechanism for wallpaper production line

PendingCN112048941AEffective adjustment of coating thicknessUniform coatingSpecial paperPaper/cardboardStructural engineeringMaterial storage
The invention belongs to the technical field of wallpaper production, and discloses a wallpaper blade coating mechanism for a wallpaper production line. The wallpaper blade coating mechanism comprisesa material storage box with an open top, wherein two fixed side plates are symmetrically welded to the top of the material storage box; a coating roller which is rotationally installed between the two fixed side plates, wherein the bottom of the coating roller is located in the storage box; a pressing roller which is rotationally installed between the two fixed side plates and located on one sideof the coating roller, wherein the bottom of the pressing roller is located above the storage box; and a movable scraper which is arranged between the two fixed side plates in a sliding mode, whereinpressing roller is located between the scraper and the coating roller, and wallpaper sequentially penetrates through the gap between the coating roller and the pressing roller and the gap between thepressing roller and the scraper in the coating process; in conclusion, uniform coating of the wallpaper is effectively achieved based on the arrangement of the coating roller, the pressing roller andthe scraper, the coating thickness of the coating can be effectively adjusted, and the wallpaper blade coating mechainsm has the advantages of being simple and reasonable in structure, low in cost and convenient to machine and install.
Owner:天津市艺恩装饰材料有限公司

Portable repairing equipment integrating municipal traffic and pavement cutting and filling

InactiveCN112176840AReduce the burden onSolve the trouble of moving three different devices for use at the same timeRoads maintainenceArchitectural engineeringAir pump
The invention discloses portable repairing equipment integrating municipal traffic and pavement cutting and filling. The portable repairing equipment comprises a main body box, a lifting assembly anda scraping assembly, a gland is installed at an opening in the upper end of the main body box, a first motor is fixed above the gland, a push rod is installed above the first motor, and the push rod is connected with the lifting assembly. Idler wheels are arranged on the left side and the right side of the bottom of the main body box, the lifting assembly is installed on the outer wall of the front face of the main body box, a protective shell is arranged on the front face of the lifting assembly, a cutting wheel is installed in the protective shell, a second motor is installed in the middle of the cutting wheel, and the scraping assembly is installed at the lower right corner of the main body box. And an air pump is fixed to the back face of the main box, an air cylinder is connected to the lower portion of the air pump, and a punching head is installed below the air cylinder. The whole device integrates the functions of road surface cutting, road surface crushing and road surface filling, and the trouble that in the prior art, three kinds of different equipment need to be carried at the same time for use is effectively solved.
Owner:彭丽辉

Large paperboard cement smearing device for fine brushing

The invention discloses a large paperboard cement smearing device for fine brushing. The large paperboard cement smearing device comprises a telescopic button, fixing plates, a main box, a feeding box, a motor, an injection nozzle, a material storage barrel, universal wheels, clamping grooves, a discharging port, lifting buttons, a stirring wheel, soft plates, a driving roller and driven rollers.The large paperboard cement smearing device has the beneficial effects that the longitudinal height of the discharging port is greater than the longitudinal height of the top of the material storage barrel, cement from the discharging port can be completely received by the material storage barrel, and the situation of cement wasting is avoided; the injection nozzle is of a stepped circular table type structure, the cement can be better concentrated by the injection nozzle step by step, and therefore the fineness of the ejected cement is high; the lifting buttons installed in the clamping grooves are located in the middle of the side wall of the material storage barrel, the material storage barrel can freely rotate between the fixing plates, and labor is better saved in the rotating process; and threads corresponding to each other are formed in the top of the material storage barrel and the bottom of the injection nozzle correspondingly, the material storage barrel and the injection nozzle are convenient to dismount and mount, and the raw material adding process and the cleaning process of the material storage barrel are facilitated.
Owner:广东五月花网络科技有限公司

Method for extracting theanine from tea leaves

The invention discloses a method for extracting theanine from tea leaves. The device comprises a fermentation frame body, wherein the inner wall body of the fermentation frame body is internally provided with a fermentation cavity; a transmission cavity is arranged inside the fermentation frame body on the top of the fermentation cavity in a left-and-right extending manner; a sliding seat is mounted inside the transmission cavity in a sliding fit manner; a first motor is fixedly arranged inside the left side fracture surface of the sliding seat; a first bevel gear is mounted at the left end ofthe first motor in a power fit manner; a left-and-right extending connecting rod is mounted at the left end of the first bevel gear in a normal running fit manner; a second bevel gear is arranged atthe bottom of the first bevel gear in an intermeshing manner; a main rotating shaft is fixedly arranged at the bottom of the second bevel gear; the main rotating shaft extends downwards into the fermentation cavity and is connected with the upper and lower end walls of the fermentation cavity in the normal running fit manner; a plurality of groups of stirring rods are fixedly arranged on the outersurface of the main rotating shaft in the circumferential direction; and stirring paddles are symmetrically and fixedly arranged on the upper and lower end faces of the stirring rods on the side awayfrom the main rotating shaft.
Owner:湖南冯河大龙山茶业有限公司

Method and device for feeding rice husks into rice husk combustion furnace for light calcium carbonate

The invention discloses a method and a device for feeding rice husks into a rice husk combustion furnace for light calcium carbonate. The method is characterized in that a conveying pipeline is arranged below a rice husk stacking site, an air blower is arranged at an end of the conveying pipeline, an air outlet of the air blower is butted to an inlet of the conveying pipeline, air can be deliveredto the conveying pipeline, an outlet of the conveying pipeline extends into a hearth of the rice husk combustion furnace, a rice husk inlet is formed in the middle of the conveying pipeline and is particularly formed in a position below the rice husk stacking site, and the rice husks can be fed into the conveying pipeline from the rice husk inlet and can be blown into the hearth of the rice huskcombustion furnace; a control valve for controlling the conveying quantities of the rice husks is arranged between the rice husk inlet of the conveying pipeline and an outlet in the hearth of the ricehusk combustion furnace, and the quantities of the rice husks which are fed into the rice husk combustion furnace can be controlled by the control valve, so that the combustion temperatures of the rice husk combustion furnace and generated heat can be controlled.
Owner:湖南恒旺碳酸钙有限公司

Chip resistor conductor layer drying equipment and using method thereof

The invention discloses chip resistor conductor layer drying equipment and a using method thereof. The chip resistor conductor layer drying equipment comprises a drying cabinet and a fixed side box. The fixed side box is fixedly installed on the outer surface of one side of the drying cabinet, a communicating pipe is arranged between the fixed side box and the drying cabinet, and an exhaust hood is fixedly installed on the outer surface of the upper end of the drying cabinet. Push-pull buckles are movably installed on the outer surfaces of the side edges of the exhaust hood and the fixed side box, a movable sliding frame is fixedly installed at one end of each push-pull buckle, the movable sliding frames are movably installed on the inner sides of the exhaust hood and the fixed side box, and a rolling brush rod is movably installed in the middle of the inner side of each movable sliding frame. The movement of the movable sliding frames is matched with the rolling brush rods in a fixed state to conduct dust removal operation on the interior of the equipment, and meanwhile the movement of the movable sliding frames is matched with the rolling brush rods in a rotating state to discharge cleaned dust from a dust discharging groove, so that dust removal operation on the interior of the equipment is completed under the condition that the equipment is not disassembled, and the phenomenon that the equipment is blocked due to accumulated dust is avoided.
Owner:安徽省富捷电子科技有限公司

Subcritical water reaction device for automatically preparing organic fertilizer

The invention discloses a subcritical water reaction device for automatically preparing an organic fertilizer, which comprises a base, an air outlet valve and a magnet, wherein two sides of the top ofthe base are fixed with rotating frames; one side of the rotating frame, which is far away from the base, is rotationally connected with a roller; one side of the base which is close to the rotatingframes is fixed with a first motor; the first motor is in transmission connection with the roller through a belt; a reaction chamber is formed in the roller; a feed pipe is communicated with the top of the roller; a discharge pipe is communicated with the side of the roller which is far away from the feed pipe; a rotating rod penetrates through the inside of the reaction chamber; and a stirring rod is fixed on the rotating rod and is positioned outside the reaction chamber. The subcritical water reaction device for automatically preparing the organic fertilizer is provided with the roller andthe first motor, the feed pipe is closed, a second motor stops rotating, the first motor drives the roller to rotate through the belt, so that materials roll in the reaction chamber, and the high-pressure steam and the materials are uniformly mixed through the rotation of the roller to perform full sterilization.
Owner:汪娟

Coil bar coater capable of controlling coating weight

The invention discloses a coil bar coater capable of controlling the coating weight, and relates to the technical field of coil bar coater. The coil bar coater comprises a coating assembly, a handle and a charging barrel, the coating assembly comprises a coating body internally provided with a coating liquid groove, the coating body is provided with a feeding hole and a discharging groove which communicate with the coating liquid groove, a bar body is arranged in the coating liquid groove, an elastic piece connected with the rod body is mounted in the coating body, and the elastic piece applies elastic force for enabling the rod body to move towards the direction of the discharging groove, so that the rod body clamps the discharging groove; the handle is connected with the coating assembly; and the charging barrel is provided with a discharging hole communicating with the feeding hole, and a piston is arranged in the charging barrel and used for outputting the coating in the charging barrel from the discharging hole. According to the coil bar coater capable of controlling the coating weight, materials can be conveniently and uniformly added on the surface of a base material, and the problems of non-uniform coating thickness and the like caused by human factors can be solved.
Owner:SOUTH CHINA UNIV OF TECH

Feeding and proportion control equipment for scale inhibitor and adhesive of sintered carbon rod

The invention discloses a feeding and proportion control device for a scale inhibitor and an adhesive of a sintered carbon rod. The feeding and proportion control device comprises a workbench; the extrusion forming cylinder is arranged on the upper end face of the workbench, and a forming opening is formed in one side of the extrusion forming cylinder. According to the device, a scale inhibitor and an adhesive can be directly placed into a charging barrel for storing the scale inhibitor and the adhesive through the two material suction ports, then raw materials can be directly sucked into the hopper through the two air pumps to be mixed, the mode that in the prior art, the raw materials need to be poured into an added material from a high position is changed, material adding is more convenient and rapid, and during continuous feeding operation, the material adding efficiency is improved. The carbon rod extrusion equipment does not need to be shut down to wait for feeding operation, continuous feeding operation can be achieved by sequentially placing the suction ports of the carbon rod extrusion equipment into different storage equipment, the rod manufacturing efficiency of a factory is improved, meanwhile, the exhaust end of the air pump can feed air into the hopper through the exhaust pipe, raw materials accumulated in the hopper can be blown into the extrusion device, and the production efficiency is improved. And the condition of accumulation of residual materials is prevented.
Owner:江西中科高博科技服务有限公司

Layered duck breeding method

PendingCN110313411AIncrease profitFacilitates safe collectionBird housingsUrineCushion
The invention provides a layered duck breeding method. Duck cages are arranged on a machine frame layer by layer. Water troughs and feed troughs are distributed on the two sides of the machine frame from bottom to top respectively. Longitudinal plates divide the duck cages into one or more chambers. The average cage occupation area of a duck in each chamber is not smaller than 450 cm<2>. The artificial illumination time kept in a duck house is not shorter than 12 hours. The water level in each water trough is kept above the threshold so that the ducks can drink water freely. The feed amount ineach feed trough is set so that the ducks can freely eat. A duck cage floor is an inverted-V-shaped egg collecting mesh piece with duck excrement leaking holes. A soft mesh cushion with holes is arranged on each edge collecting mesh piece so that the irritation on duck flippers can be reduced and the duck flippers can be protected. An excrement and urine collecting conveying belt is arranged under each egg collecting mesh piece. Each excrement and urine collecting conveying belt is placed between the upper layer of duck cages and the lower layer of duck cages so that excrements can be isolated. The duck cages in each layer share the corresponding excrement and urine collecting conveying belt. Laying ducks can adapt to the layered cage breeding, the space utilization rate of the duck cagesis large, the safe collection of egg products is facilitated, and the rapid cleaning of the excrements of the laying ducks is facilitated.
Owner:福建光阳蛋业股份有限公司

Epoxy resin processing reaction kettle facilitating material adding

The invention discloses an epoxy resin processing reaction kettle facilitating material adding. The epoxy resin processing reaction kettle comprises a kettle body, a feeding pipe, a sealing cover, a discharging pipe, a stirring shaft, a barometer, a thermometer, a first telescopic air cylinder, a material guiding plate, an auxiliary feeding device, a third telescopic air cylinder and a filtering device, a ceramic wall is fixedly embedded in the inner wall of the kettle body, and a first sliding groove is formed in the right side of the feeding pipe; A sealing gasket is fixedly embedded in the left side of the sealing cover, and a discharging valve is installed on right side of the discharging pipe. According to the epoxy resin processing reaction kettle facilitating material adding, the filtering device is arranged, a finished product in the kettle body is conveyed into the connecting pipe through the discharging pipe, and then the finished product is conveyed to the filtering plate through the connecting pipe. Therefore, the finished product is filtered through the filter plate, and the problems that the finished product contains a small amount of impurities after being processed, and meanwhile, the finished product passing through the discharging pipe needs to be subjected to impurity filtering treatment, so that troubles are caused, and the overall working efficiency is reduced are solved.
Owner:江苏宏景电气有限公司

Biomass gasification furnace using furnace interlayer structure for decoking

A biomass gasification furnace that utilizes the interlayer structure of the furnace body for decoking, which includes a furnace body provided with a drying layer, a pyrolysis layer, a reduction layer and an oxidation layer, and the furnace body is provided with a feeding port, a gasification medium inlet and a The gas outlet is provided with a fire grate in the furnace body, which is characterized in that the furnace body is constructed as a sandwich structure with a gasification channel, and the gasification channel includes a gas channel and a gasification medium channel, wherein one end of the gas channel communicates with the reducing layer, and the other One end is connected with the gas outlet, so that the combustible gas generated in the furnace is forced to flow through the reducing layer and discharged, and the high temperature of the reducing layer is used to further crack the tar in the combustible gas to reduce the tar content. The invention overcomes the shortcomings of traditional gasifiers and effectively combines its advantages, solving the problems of high tar content of combustible gas discharged from the updraft gasifier and inconvenient addition of materials, and difficulty in gas extraction of the downdraft gasifier question. In addition, the present invention uses the structure of the furnace body to construct channels, which can increase the flow rate of air intake / exit, which is beneficial to maintain the stability of the reaction in the furnace.
Owner:深圳市科陆绿能节能环保有限公司

Method for extracting theanine from tea leaves

The invention discloses a method for extracting theanine from tea leaves. The method is characterized by comprising a fermentation rack body, wherein an inner wall body of the fermentation rack body is provided with a fermentation cavity; the fermentation rack arranged at the top end of the fermentation cavity is provided with a transmission cavity in a left-right extension manner; a sliding baseis mounted in the transmission cavity in a sliding fit manner; a first motor is fixedly arranged in the left-sided cross section of the sliding base; a first bevel gear is mounted at the left end of the first motor in a dynamic fit manner; a connecting rod which extends leftwards and rightwards is mounted on the left side of the first bevel gear in a rotation fit manner; the bottom end of the first bevel gear is provided with a second bevel gear in a mutual meshing manner; a main rotating shaft is fixedly arranged at the bottom end of the second bevel gear; the main rotating shaft extends downwards and stretches into the fermentation cavity, and is connected with an upper end wall and a lower end wall of the fermentation cavity in a rotation fit manner; multiple groups of stirring rods arefixedly and circumferentially arranged on the outer surface of the main rotating shaft; stirring paddles are symmetrically and fixedly arranged at the upper ends and the lower ends of the stirring rods away from one side of the main rotating shaft.
Owner:YICHANG HUIYIXING NEW ENERGY TECH CO LTD

A kind of device and method for preparing lithium-ion battery slurry

The invention belongs to the technical field of lithium ion batteries and especially relates to a preparation apparatus for lithium ion battery slurry. The apparatus comprises a solvent loading tank and a slurry agitator tank, wherein the slurry agitator tank is connected with a first vacuum pump; the apparatus further comprises a binder premixing tank, wherein the binder premixing tank is connected with a second vacuum pump; a discharge outlet of the solvent loading tank is connected with a feed inlet of the binder premixing tank through a first pipeline, and a discharge outlet of the binder premixing tank is connected with a feed inlet of the slurry agitator tank through a second pipeline. Compared with the prior art, the preparation apparatus provided by the invention has the following advantages: fluids like a solvent and a binder premixed liquid are added from the bottom of a tank to the top of the tank by using vacuum negative pressure, so it is guaranteed that there is only a two-phase interface of a liquid phase and a solid phase, maximum-efficiency mutual infiltration is realized, generation of bubbles in the slurry is reduced, dispersion is promoted, stirring time is shortened and operation is simple, which enables stirring time to be reduced and production efficiency to be improved. Furthermore, the invention also discloses a method of utilizing the apparatus for preparation lithium ion battery slurry.
Owner:DONGGUAN AMPEREX TECH

A kind of automatic extraction equipment and method of extracting theanine from tea leaves

The invention discloses a method for automatically extracting theanine from tea. A fermenting rack body is included. A fermentation chamber is arranged inside the internal wall of the fermenting rackbody. A transmission chamber extends to left and right sides at the top of the fermentation chamber inside the fermenting rack body. A sliding seat is in sliding fit inside the transmission chamber. Afirst motor is fixedly arranged in the left cross section of the sliding seat. The left end of the first motor is in power fit with a first bevel gear. The left end of the first bevel gear is in running fit with a connecting rod which extends towards left and right sides. The bottom of the first bevel gear is engaged with a second bevel gear, the bottom of which is fixedly provided with a main rotating shaft. The main rotating shaft extends downwards into the fermentation chamber to be in running fit with upper and lower walls of the fermentation chamber. Agitator arms are circumferentially and fixedly arranged on the external surface of the main rotating shaft. Agitating valves are symmetrically and fixedly arranged at upper and lower end faces of the agitator arms, far from one side ofthe main rotating shaft.
Owner:金威宝(广东)健康产业有限公司

A method for preparing polyacrylate by single electron transfer-living radical polymerization

The invention discloses a method for preparing polyacrylate by single electron transfer-living radical polymerization. The method comprises the following steps of adding a dispersant aqueous solution into deionized water, adding a pH conditioning agent, a catalyst, a monomer and an initiator into the dispersant aqueous solution at a temperature of 10 to 60 DEG C for a reaction lasting for 10min-10h, stopping stirring, removing water in the reaction system, putting the product into a vacuum drying oven, and carrying out drying at a temperature of 20 to 60 DEG C to constant weight so that the active polyacrylate product is obtained, wherein a mole ratio of the monomer, the initiator, the pH conditioning agent to the catalyst is (10-4000): 1: (1-40): (1-30); a mass ratio of the dispersant to the monomer is (700-50000ppm): 1; and a volume ratio of the monomer to water is 1: (1-20). The method can realize synthesis of the molecular weight-controllable active polyacrylate at a room temperature or a lower temperature. The polyacrylate product can be used as a macro-molecule initiator, and sequentially initiates polymerization of other monomers so that an ABA segmented copolymer is produced. The method has the advantages of fast polymerization rate, high monomer conversion rate, strong controllability and environmental friendliness.
Owner:HEBEI UNIV OF TECH
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