1524results about "Dissolving with driven stirrers" patented technology

The invention relates to the technical field of aluminum ash washing filtrate recycling intelligent control, in particular to an aluminum ash washing filtrate recycling intelligent control device and method, and the device comprises a multi-parameter online detection module, a data processing optimization module, a process parameter execution module and a filtrate circulation module. The multi-parameter online detection module is used for cooperatively detecting the real-time concentration of trace impurity ions such as fluorine, potassium and sodium through an ion selective electrode array and a micro spectrum analyzer; predicting the dissolution trend of impurity ions through an LSTM model and generating a process parameter adjustment instruction; the process parameter execution module regulates and controls the stirring strength, the liquid-solid ratio and the water-ash contact time in a linkage manner; and the filtrate circulating module is used for buffering, homogenizing and proportionally mixing the washed liquid phase to generate a regenerated leaching medium for recycling. According to the method, the detection data and the model decision are dynamically matched through the closed-loop control process, and the impurity element removal efficiency is improved.

The invention discloses a dissolving and mixing device for adhesive production, the dissolving and mixing device comprises a mixing tank, a crushing assembly, a premixing cylinder, a first stirring assembly and a second stirring assembly, and the crushing assembly can perform preliminary crushing treatment on solid materials and liquid raw materials in the mixing tank before the solid materials and the liquid raw materials are mixed. Part of liquid raw materials can be premixed through the premixing barrel and are diffused out of the premixing barrel through the diffusion holes. The solution in the premixing barrel is stirred through the first stirring assembly in the premixing barrel, and the stirring effect on the solution in the premixing barrel can be enhanced. The first stirring rods on the stirring rods and the second stirring rods on the rotating shaft which are vertically arranged at intervals in a staggered manner can generate mutually superposed stirring forces in the stirring process, so that the stirring strength can be further enhanced, solid powder materials are subjected to stronger shearing and collision effects in the stirring process, and the formation of aggregates and cakes is avoided; the dissolving and mixing efficiency and quality of solid materials and liquid raw materials are improved.

The invention relates to the technical field of urea production, in particular to a urea production device. Comprising a mixing tank, a feeding hopper, a stirring device, a liquid inlet pipe and a liquid discharging pipe, an inner cylinder is arranged in the mixing tank and divides the mixing tank into an inner mixing bin for storing premixed liquid and an outer mixing bin for storing raw materials to be mixed from inside to outside, a filter screen plate is arranged above the inner cylinder, and small-particle raw materials are evenly dispersed in the inner mixing bin through the filter screen plate; and the large-particle raw materials are guided into the external mixing bin. In the liquid separation stage, water waves generated by vortex rotation are used for driving the floating plate to drive the drainage plate to float up and down in the premixed liquid, so that vortex outer ring solutions with different depths are guided to the axis, and the mixing degree of the solutions in the horizontal direction is enhanced; the floating plate is used for raising the vortex outer ring solution in an inclined manner, so that gravitational potential energy is used for impacting the rear part of the drainage plate, the local concentration difference is further broken, and the solution is promoted to reach a more uniform mixing state.

A marine urea aqueous solution preparation device, and a preparation method therefor. The marine urea aqueous solution preparation device comprises a water bath barrel (1), a preparation barrel (2) fixed to an inner wall of the bottom of the water bath barrel (1) by means of a support leg, and a gap between the water bath barrel (1) and the preparation barrel (2) is used to contain fresh water to heat the preparation barrel (2). A top cover (6) is fixed to the top of the preparation barrel (2) by means of multiple bolts, and multiple heaters (11) are fixed to an inner wall of the water bath barrel (1). The urea aqueous solution is stirred by means of a stirring rod (3), which can sequentially drive a swinging structure and an intermittent structure, so that urea particles are intermittently sprinkled into the preparation barrel (2) in small batches.

The invention belongs to the technical field of agricultural irrigation devices, particularly relates to an integrated intelligent water and fertilizer integrated device, and aims to solve the problems that an existing device is relatively low in granular fertilizer dissolving efficiency and cannot realize dynamic filtering adjustment of a water body. A water body filtering assembly, a fertilizer conveying all-in-one machine and a water and fertilizer mixing barrel are arranged in the integrated compartment, so that the device is compact in structure and convenient to move, field assembly during use is not needed, and the water and fertilizer mixing device is convenient to use. The maneuverability and the operation convenience of the device can be greatly improved, and during use, the pumped water body is filtered through the water body filtering assembly, and the required fertilizer is quantitatively conveyed through the fertilizer conveying all-in-one machine, so that accurate proportioning and mixing of the water and the fertilizer can be realized, and different use requirements are met.

The invention discloses mixing and compounding equipment and a compounding process for producing calculus bovis factitius, and relates to the field of mixing equipment. The premixing cavity is formed in the mixing tank, meanwhile, a solution in the mixing tank can be pumped and conveyed into the premixing cavity through the liquid inlet assembly, when solid raw materials are added into the premixing cavity, the rotary driving assembly drives the shearing and mixing assembly to rotate in the premixing cavity, and the solid raw materials are sheared into fine particles; the solid raw materials and the solution are fully mixed and dissolved in the solution, then the premixed solution is conveyed into the mixing tank through the liquid distribution mechanism, and the solid raw materials are sheared and premixed, so that the solid raw materials can be prevented from being bonded into blocks after being added into the mixing tank, and the dissolving and mixing efficiency of the solid raw materials is improved; the dissolved solid raw materials are uniformly distributed in the mixing tank through the liquid distribution holes, so that the mixing efficiency of the solid raw materials and a solution in the mixing tank can be improved, and the mixing and compounding effect and the mixing and compounding efficiency of the mixing and resetting equipment are improved.

The invention discloses a liquid fertilizer mixing device for new energy irrigation, and relates to the technical field of agricultural irrigation, the liquid fertilizer mixing device comprises a mixing and stirring barrel, a main stirring blade and an auxiliary stirring blade are arranged in the mixing and stirring barrel, liquid is convected up and down under the action of the two groups of blades, and a reflux water pump is arranged to pump the liquid at the lower layer to the upper layer. Uneven mixing caused by sedimentation of the fertilizer at the bottom is avoided, the crushed fertilizer is discharged into a weighing bin to be weighed, when the required weight is reached, a rotating bin door is opened, the fertilizer falls into a pre-dissolving tank to be dissolved and mixed, fertilizer particles are crushed, so that the fertilizer dissolving time is shortened, and the mixing efficiency is improved; the pH detection assembly and the EC detection assembly are arranged to measure the pH value and the conductivity of liquid in the mixing and stirring barrel and detect the proportioning concentration of the fertilizer, the flow of the liquid fertilizer injected into the mixing and stirring barrel is measured and controlled in cooperation with the flowmeter, the proportioning concentration can be adjusted, and the proportioning accuracy is improved.

The preparation method comprises the following steps: mixing walnut oil and idesia oil according to a mass ratio of (85-90): (10-15), stirring and heating to 68-72 DEG C under the condition of a rotating speed of 55-70 rpm, adding a gel compounded by edible wax and polyglycerol fatty acid ester according to a mass ratio of (4-6): 1, continuing to stir until complete dissolution, adding an emulsifying agent, and uniformly stirring to obtain the beta '-crystal-form woody oil-based oleogel, so as to obtain the beta'-crystal-form woody oil-based oleogel, namely the beta '-crystal-form woody oil-based oleogel. The preparation method comprises the following steps: preparing a liquid grease gel solution, directly putting the liquid grease gel solution under the condition of-10 to-40 DEG C for quick freezing, then stirring for 3-6 minutes under the condition of the rotating speed of 150-250 rpm, and standing for 5-6 days under the environment of 20-25 DEG C to prepare the woody oil-based grease gel. The grease gel prepared by the method disclosed by the invention contains a stable beta'crystal form, is high in oil holding rate and proper in hardness, has relatively good oxidation stability, and can be applied to baking instead of animal butter or hydrogenated vegetable oil.

The invention relates to the technical field of cleaning agent mixing, and particularly discloses a mixing device for cleaning agent production and a mixing method thereof.The mixing device comprises a stirring barrel, a premixing frame is arranged in the stirring barrel, a first baffle and a second baffle are arranged in the premixing frame in an up-down spaced mode, the second baffle is assembled in the premixing frame in an up-down sliding mode, and a connecting rod is arranged in the premixing frame; a middle sleeve is assembled outside the connecting rod in an up-down sliding mode, the connecting rod penetrates through the first baffle to be in rotating fit with the second baffle, and the middle sleeve is in rotating fit with the first baffle. A driving assembly is arranged on the premixing frame and connected with the connecting rod to drive the connecting rod to rotate and move up and down. The first rotating rod is rotationally connected with the second rotating rod, and an auxiliary plate is arranged below the first baffle. The mixing device for cleaning agent production and the mixing method thereof have the effect of improving the mixing and dissolving efficiency of raw materials.

The invention provides an additive adding system and method for a phosphate fire-resistant oil system, and the additive adding system comprises an additive adding control system, an additive quantitative adding device, an additive dissolving device, a vacuumizing device, an oil product injection device, an oil product discharge device and an additive adding control system which are connected, the additive quantitative adding device can automatically add an additive into the additive dissolving device, the additive dissolving device is connected with an oil system needing additive adding through the oil injection device and the oil discharge device, the additive is directly dissolved in the oil system, and all oil in the oil system gradually flows through the additive dissolving device. The phosphate fire-resistant oil additive adding device is simple in structure and convenient to operate, it is guaranteed that even additives with low solubility in phosphate fire-resistant oil can be added, after the device is connected into an oil system through a control system, the additive adding process can be automatically completed, oil products cannot be polluted, and the additive adding process can be simple, efficient and labor-saving.

A platinum catalyst recycling device with multiple filtration structures is provided. The device includes a support base, a recycling housing, and a crushing housing. A top of the support base is fixedly connected to the recycling housing, a top surface of the recycling housing is fixedly connected to the crushing housing, and a feed port is provided on a top surface of the crushing housing. A feed tube is installed at the feed port of the crushing housing, and a crushing roller assembly is installed in an inner cavity of the crushing housing. The crushing roller assembly is disposed in an inner cavity of a crushing chamber, and the crushing chamber is fixedly connected to a sidewall of the inner cavity of the crushing housing. A bottom of the crushing chamber is fixedly connected to a guide plate. Uniform plates are disposed below the guide plate.

The utility model provides a PAM (polyacrylamide) dispensing system for waterworks, which comprises a dispensing box provided with a mixing area, a curing area and a medicine storage area which are communicated with one another, and a liquid level meter is arranged at the upper part of the inner wall of the medicine storage area; a stirring assembly; the feeding assembly is used for feeding materials into the mixing area and metering the feeding mass within a constant time; the water inlet assembly is used for adding liquid into the mixing area and measuring the flow of the added liquid; the medicine outlet assembly is used for outputting the liquid medicine in the medicine storage area to the outside; the backwashing assembly comprises a connecting header pipe, a water conveying pipe connected with the water inlet end of the connecting header pipe, an emptying valve arranged at the water outlet end of the connecting header pipe, and a first emptying pipe, a second emptying pipe and a third emptying pipe which are sequentially arranged at the bottoms of the mixing area, the curing area and the medicine storage area and are respectively communicated with the connecting header pipe; a backwashing pump is arranged on the water conveying pipe; the control cabinet is electrically connected with the liquid level meter and the backwashing pump respectively; the PAM dispensing system is high in automation degree and has a backwashing function.

The invention discloses a mixing device for producing urea liquid for vehicles, and relates to the technical field of processing of urea liquid for vehicles. The device comprises a mixing tank, a raw material barrel is fixed to the top of the mixing tank through a support, a liquid input pipe is fixed to the side wall of the raw material barrel, the bottom of the inner wall of the raw material barrel is conical, and two feeding pipes are fixed between the top of the mixing tank and the bottom of the raw material barrel. Through the arrangement of the pretreatment device, a stirring blade rod, a blooming disc, an arc block ring and an abutting rod are matched to drive a conical net barrel to screen urea raw materials, small-particle urea can directly fall into soft water, large-particle urea can be ground and smashed through a grinding roller and grinding teeth of the conical net barrel, and then the urea raw materials are separated from the conical net barrel. The ground and crushed urea falls into the soft water, small-particle urea is directly put into the soft water, large-particle urea is put into the soft water after being ground and crushed, the crushing time can be shortened, and the production efficiency of the whole urea liquid for the vehicle is improved.

The present invention provides a PFA material purification device, and belongs to the field of material purification, the PFA material purification device comprises: a base provided with a housing; a purification mixing assembly; the purifying and mixing assembly is mounted on the base and the shell; the purifying and mixing assembly rotates forwards, so that materials can be stirred in an up-down floating manner and can circularly flow; the shielding assembly is mounted on the shell; the shielding assembly can shield the purification mixing assembly rotating forwards, and the purification mixing assembly conducts centrifugal treatment on materials when rotating backwards. According to the PFA material purification equipment, the purification efficiency is remarkably improved, the functions of dissolution, precipitation, centrifugation and collection are integrated through integrated design, repeated transfer of precipitates is avoided, operation is simplified, vertical floating stirring and uniform mixing of materials are achieved through the purification mixing assembly, automatic treatment is achieved through the shielding and discharging assembly, manual intervention is reduced, and the production efficiency is improved. And by utilizing the Bernoulli principle, the copolymer can be discharged, the centrifugal net cylinder can be effectively cleaned, and residues are avoided.

The invention relates to the technical field of nitrate production, in particular to a potassium nitrate purification device which comprises a dissolving tank, a filtering device, a crystallization kettle, a centrifugal machine and a drying machine with a steam jacket which are sequentially connected in series through pipelines. The dissolving tank first jacket is connected with a heat source through a circulating pipeline; a liquid outlet of the centrifugal machine is sequentially connected with the cyclone separator, the ceramic membrane filter, the cationic resin column, the first temporary storage tank and the heat source, and the first heat exchanger and the second heat exchanger are sequentially installed between the first temporary storage tank and a heating medium inlet of the heat source. A steam outlet pipeline of the steam jacket is connected with a heat medium inlet of the first heat exchanger, the first heat exchanger is connected with the second temporary storage tank through a pipeline, and the second temporary storage tank is connected with the heat source through a pipeline. A pipeline of the second vacuum unit is connected with a thermal medium inlet of a second heat exchanger, and the second heat exchanger is connected with a second temporary storage tank. According to the method, the potassium nitrate purification efficiency, the product purity, the resource utilization rate and the energy economy are synergistically improved.

The invention discloses a full-automatic man-machine separation type plant protection high-pressure atomizer capable of spraying at multiple angles, and belongs to the technical field of agricultural machinery. Comprising a movable bottom plate, a pesticide barrel is fixedly connected to the top of the movable bottom plate, a motor is fixedly installed at the bottom of the movable bottom plate, a water pump, a connecting hose, a lifting pipe, a flow dividing transverse pipe, a sleeve and an atomizing nozzle are fixedly installed at the top of the movable bottom plate, and the lifting pipe is movably arranged at the top of the movable bottom plate through a height adjusting mechanism; and an angle adjusting mechanism is arranged between the two sleeves. Through cooperation of the height adjusting mechanism and the angle adjusting mechanism, adjustment of the spraying height and angle of the atomization nozzle can be achieved at the same time, the spraying range of the device is effectively expanded, through a filtering piece and a medicine powder recycling mechanism, medicine powder which does not pass through the filtering piece and is attached to the filtering piece can be sent back into a medicine barrel to be stirred and dissolved again, and the medicine powder recycling efficiency is improved. And medicine powder waste is avoided.

The invention relates to the technical field of preparation of high-purity boron oxide, and discloses a purification method of high-purity boron oxide and a device thereof, and the purification method comprises the following steps: step 1, mixing crude boron oxide with a liquid metal alloy, and dissolving metal impurities through gradient temperature control; 2, applying ultrasonic treatment to the mixed system, introducing a vortex field, and stripping impurities on the surface of the boron oxide; 3, a liquid metal phase and a boron oxide solid phase are separated through cooperation of a magnetic field and a pulse high-voltage electrostatic field; 4, non-metal ion impurities are removed through a gradient porous ceramic adsorption bed; and step 5, melting boron oxide in vacuum and carrying out gradient cooling crystallization. By adopting the technical scheme of a Ga-I n-Bi-Er quaternary liquid alloy system, the technical effect of selective targeted removal of metal impurities is achieved, and compared with a liquid metal system depending on single phase solubility difference in the prior art, the defect that efficient chelating and dynamic settling separation of the impurities cannot be achieved at the same time is overcome.

The invention discloses a spice processing and dissolving tank with a directional continuous feeding mechanism. The spice processing and dissolving tank comprises a dissolving barrel, a continuous feeding barrel is arranged at the top of the dissolving barrel, a top sealing cover is arranged at the top of the continuous feeding barrel, a buffer discharging barrel is arranged at the bottom of the dissolving barrel, and a servo motor is arranged in the center of the top of the top sealing cover; through precise feeding, precise connection of a raw material container and a feeding branch pipe according to processing requirements, flexible connection of gas supply equipment, adaptation of various media, guarantee of precise and stable supply of raw materials and the media, regulation and control of a rotary sealing frame through cooperation of a magnetic coupling, precise feeding according to requirements and stirring of a spiral cone, continuous and stable feeding and dissolution are achieved, and the efficiency is improved; the spiral cone is matched with the heater to create a dissolving environment, the turbulent flow pipe enhances stirring, the discharging pipe set flexibly pumps materials according to the rhythm, the buffering discharging barrel and the discharging pipe set guarantee safe and stable discharging, the servo motor is used for driving, and all the components are tightly and stably linked.

The present invention discloses a water-fertilizer integrated machine, which belongs to the field of water-fertilizer integrated machines, and includes a support frame and a mixing box. A water supply pump is installed on the support frame. A first water pumping pipe is connected between the water inlet of the water supply pump and the mixing box, and a first drain pipe is connected at the water outlet of the water supply pump; a purification component is arranged at one end of the first drain pipe away from the water supply pump, and the purification component is used to prevent the dripping port of the drip irrigation pipe from being blocked. The purification component includes a filter tank, and the liquid inlet of the filter tank is installed at one end of the first drain pipe. The present invention can realize the rotation of the filter screen cylinder, so that the granular impurities on the surface of the filter screen cylinder move along the lower spiral surface of the spiral scraper, and the granular impurities adsorbed on the surface of the filter screen cylinder can be cleaned up in time by the rotation of the filter screen cylinder, so that the clogging of the filter screen cylinder can be avoided, which affects the problem of fertilization and irrigation, and also ensures the water delivery performance of the fertilization and irrigation pipeline.

The invention discloses an etching liquid purification device and method, and relates to the technical field of etching liquid purification, the purification device comprises a stirring tank, a circulating device, a filtering device and a plurality of feeding pipelines, the plurality of feeding pipelines are communicated with a stirring tank pipeline, the plurality of feeding pipelines are arranged, and the materials are added according to the mass according to the formula requirement, so that the raw materials are fully mixed; when raw materials enter the stirring tank, the raw materials are automatically stirred, the outer circulation loop is opened through the circulation device, liquid in the stirring tank is pumped out and conveyed through the circulation pipe, mass transfer and primary heat exchange are promoted in the circulation process, and particulate matter in the liquid is removed by integrating the filtering device on the outer circulation loop. Such as soluble particles and poorly soluble particles.

The utility model relates to the technical field of urea production equipment, and discloses a urea dissolving tank which comprises a dissolving tank body, a feeding hopper is arranged above the dissolving tank body, and a movable discharging assembly comprises sliding rods symmetrically and fixedly connected to the upper portion of the dissolving tank body through a support. The outer portion of the sliding rod is slidably connected with a sliding block, the sliding block is fixedly connected with the feeding hopper, the support is rotationally connected with a two-way lead screw, the outer portions of the two sides of the two-way lead screw are both in threaded connection with moving blocks, and connecting rods are hinged between the moving blocks and the feeding hopper through hinge pieces. A material blocking plate is fixedly connected to the support, the upper surface of the material blocking plate makes contact with the bottom of the feeding hopper, discharging notches are formed in one side of the material blocking plate at equal intervals, and the problem that due to the fact that the discharging position is fixed, materials are prone to accumulation when the materials are not mixed and stirred in time is effectively solved.

The invention provides a sludge anaerobic digestion solution treatment system and method, the treatment system comprises a digestion solution adjusting tank, a main reaction tank and a magnesium sulfate dissolving tank, the digestion solution adjusting tank is communicated with the main reaction tank through a digestion solution delivery pipe; the magnesium sulfate dissolving tank is communicated with the main reaction tank through a liquid medicine conveying pipe; the main reaction tank is communicated with the primary treatment front end of the sewage plant through a return pipe; a sludge discharge hole is formed in the bottom of the main reaction tank and is communicated with a sludge concentration tank of a sewage plant through a sludge discharge pipe. The sludge anaerobic digestion liquid treatment system is arranged before anaerobic digestion liquid is conveyed to the first-stage treatment front end of a sewage plant, liquid medicine is put into the sludge anaerobic digestion liquid and chemically reacts with high-concentration ammonia nitrogen pollutants in the sludge anaerobic digestion liquid, and finally precipitates are generated and separated out; therefore, the ammonia nitrogen concentration in the supernate is reduced, and the ammonia nitrogen treatment load of a sewage plant is greatly reduced.

The invention belongs to the field of tea polyphenol preparation, and particularly discloses tea polyphenol continuous extraction equipment which comprises a rack, a tea leaf crushing device, a tea polyphenol extraction device, a tea polyphenol purification device and a control system, an extraction tank is arranged on the rack, an upper cavity of the extraction tank is a crushing cavity, and a lower cavity of the extraction tank is a stirring cavity; the tea leaf crushing device is arranged in the crushing cavity, and the tea polyphenol extraction device is arranged in the stirring cavity; a valve opening and closing device is further arranged between the crushing cavity and the stirring cavity; the tea polyphenol purification device comprises a support, a purification tank, a filter assembly arranged in the purification tank and a pressurizing mechanism used for pressurizing a coarse dissolved solution in the purification tank, and a solution conveying device is arranged between the liquid inlet of the purification tank and the liquid outlet in the stirring cavity of the extraction tank. According to the continuous extraction equipment for the tea polyphenol, the tea polyphenol in the tea leaves can be continuously extracted, so that the extraction efficiency of the tea polyphenol is improved, and the extraction cost of the tea polyphenol is reduced.

The invention relates to the technical field of mixing and dissolving devices, in particular to a mixing and dissolving device and method for producing a slow-release ternary total-effect high-concentration liquid fertilizer, and the method comprises the following steps: adding specified raw materials and water into dissolving equipment for water dissolving to prepare a turbid solution with a specified proportion, adding a specified chelating agent into the turbid solution, and stirring uniformly to obtain a mixed solution; the method comprises the following steps: preparing a water solution with a concentration of 1.0%, adding an alkali solution into the water solution with a concentration of 1.0% to prepare a corresponding clarified solution, adjusting the pH value of the clarified solution so that the pH value of the adjusted clarified solution in the water solution with a concentration of 1.0% is in a range of 1.5-2.3, adding an alkali solution into the clarified solution with the adjusted pH value to neutralize so as to obtain a neutralized solution with a pH value of 6-7, and the neutralized solution is a ternary total-effect slow-release liquid fertilizer with a specified concentration. The corresponding ternary total-effect liquid fertilizer can be produced and mixed by matching the arranged method with the correspondingly arranged dissolving device, and the liquid fertilizer is further suitable for base fertilizer and topdressing of various soil and various planting types of crops, and is a new-generation chemical fertilizer for making green agricultural products, improving the appearance and quality of commercial crops and increasing the grade of the agricultural products.

The invention relates to the technical field of food processing, in particular to injection non-uniform liquid auxiliary dispersion equipment which comprises a stock bin tank, a circular plate is slidably connected to the inner side wall of the stock bin tank in the vertical direction, a plurality of rectangular holes are evenly formed in the top wall of the circular plate, and rotating shafts are rotatably connected to the inner walls of the rectangular holes in a penetrating mode; an annular cavity is formed in the inner wall of the circular plate, an annular rack is arranged on the inner wall of the annular cavity, one end of the rotating shaft penetrates through the inner wall of the annular cavity, a synchronous gear is fixedly connected to the side wall of the rotating shaft, a partition plate is fixedly connected to the side wall of the rotating shaft, sealing strips are symmetrically arranged on the side portion of the partition plate, and a circular block is fixedly connected to the circular plate. And a plurality of auxiliary pipes are uniformly distributed, penetrate and are fixedly connected to the inner wall of the circular block. By arranging the electric push rod, the annular rack, the partition plate and other structures, suspended particle solutes are collected and then crushed and ground, and then the dispersing and dissolving efficiency of the particle solutes is improved.

The invention discloses a bamboo pulp lyocell fiber production method, which comprises: (1) preparing a bamboo dissolving pulp, loading bamboo chips into a pot, preheating, raising the temperature in the pot to 110-130 DEG C, introducing medium-pressure steam, rapidly raising the temperature in the pot to 160-170 DEG C, injecting a pre-hydrolysis liquid formed by mixing hot water and an acidic catalytic auxiliary agent from the bottom of the pot, and carrying out thermal insulation at a temperature of 165-175 DEG C for 30-120 min; and (2) dissolving NMMO, namely mixing the dissolving pulp prepared in the step (1) with an NMMO aqueous solution, mechanically stirring and uniformly mixing for 10 minutes at 90 DEG C, then carrying out vacuum dehydration, gradually raising the temperature to 105 DEG C from 90 DEG C, starting timing when the temperature is raised to 105 DEG C, and dissolving for 40 minutes. According to the production method and the production equipment of the bamboo pulp lyocell fiber, the pentosan content can be effectively reduced, the reaction uniformity can be improved and the preparation requirements of the bamboo-based lyocell fiber can be met through the specific preparation method and the processes such as steam preheating and temperature rising combined with liquid-phase extraction and prehydrolysis.

A filtration, washing and drying three-in-one device for lithium carbonate, and a production process thereof. The device comprises a tank body (1), a motor (2) arranged on the tank body (1), a stirring rod (3) which is arranged at a power output end of the motor (2) and extends into the tank body (1), a stirring blade (13) arranged on the stirring rod (3), and a feeding port (5), a liquid inlet (7), a discharging port (9) and a waste discharging port (11) which are provided on the tank body (1). A spraying liquid delivery pipe (16) connected to the liquid inlet (7) is arranged at the top in the tank body (1); a plurality of spray nozzles (17) are mounted on the spraying liquid delivery pipe (16); and a filtration mechanism is arranged at the bottom in the tank body (1).

The utility model provides a byproduct sodium acetate dissolving device, which belongs to the technical field of sodium acetate production, and comprises a dissolving tank and a stirring assembly, the stirring assembly comprises a connecting shaft, a stirring paddle, a crushing paddle, a driving motor and a lifting piece, the connecting shaft is vertically suspended in the dissolving tank, the stirring paddle is arranged on the connecting shaft and is positioned in the dissolving tank, and the crushing paddle is arranged in the dissolving tank. The crushing paddle is installed on the connecting shaft and located below the stirring paddle, the driving motor is arranged at one end of the connecting shaft, and the lifting piece is connected with the driving motor and drives the driving motor to move up and down in the vertical direction. The crushing paddle and the lifting part are additionally arranged, so that the crushing paddle firstly crushes large crystal byproduct sodium acetate, the large crystal byproduct sodium acetate is crushed into small crystal byproduct sodium acetate, dissolution of the crystal byproduct sodium acetate is accelerated, the dissolution rate is increased, and meanwhile, the dissolution rate is increased. The mutual collision between the stirring paddle and the bulk crystal byproduct sodium acetate is avoided, and the stirring paddle is prevented from being damaged.

The utility model discloses a liquid dissolving device for herbicide production, and relates to the technical field of liquid dissolving devices. The liquid dissolving device for herbicide production comprises a fixed bottom plate, two supporting columns are fixedly connected to the upper surface of the fixed bottom plate, first connecting plates are fixedly connected to the opposite faces of the two supporting columns, a dissolving tank is fixedly connected to the opposite faces of the two first connecting plates, and a bearing is fixedly embedded in the upper surface of the dissolving tank; the bearing is communicated with the interior of the dissolving tank, the inner wall of the bearing is fixedly connected with a connecting pipe, medicament particles enter the connecting pipe, and the medicament particles enter the connecting pipe and cannot directly enter the inner wall of the dissolving tank under the blocking of a plurality of crushing blocks; and under the rotation of the connecting shaft and the connecting pipe, a plurality of crushing blocks are matched to grind pesticide particles into smaller particles, so that better fusion with the liquid is facilitated, and the production quality of the liquid dissolving device for herbicide production is improved.