4497results about "Feed devices" patented technology

The invention relates to the technical field of reaction kettles, and discloses a reaction kettle device for synthesizing benzohydroxamic acid, the reaction kettle device comprises a reaction kettle body and a stirring structure arranged at the top of the reaction kettle body, a discharging pipe is arranged at the discharging end of the reaction kettle body, and supporting legs are arranged on the outer wall of the bottom of the reaction kettle body; three mounting plates distributed in an annular array are fixedly mounted on the inner wall of the reaction kettle body, a driving screw rod is rotationally mounted on the top surface of each mounting plate, the top end of each driving screw rod penetrates through the top surface of the reaction kettle body, and a guide frame is in threaded connection with the outer wall of each driving screw rod; when the feeding cylinder rotates, the transmission shaft is in intermittent contact with the protruding block, negative pressure adsorption and quantitative discharge of auxiliary materials are achieved through vertical sliding of the piston plate and cooperation of the one-way valve, it is guaranteed that raw materials can be accurately injected according to needs through the structural design, errors caused by manual control adding are avoided, the accuracy of the reaction proportion is guaranteed, and the production efficiency is improved. And the product quality stability can be improved.

The utility model discloses a polyester reverse esterification kettle on-line adding device which comprises a first esterification kettle and a second esterification kettle, a batching pipeline is arranged between the first esterification kettle and the second esterification kettle, and a three-monomer on-line injection system is arranged on one side of the batching pipeline. A second static mixer, a dynamic mixer and a pneumatic valve are sequentially arranged on the batching pipeline between the three-monomer on-line injection system and the second esterification kettle, and materials prepared by the three-monomer preparation system are injected into a connecting pipeline through the three-monomer on-line injection system; and then the mixture enters the second static mixer and the dynamic mixer to be mixed and then is injected into the second esterification kettle through the pneumatic valve. The transformation from production of extinction products to production of cationic products can be quickly realized in the five-kettle process, so that the productivity and the quality of the products are ensured, and benefits are created for enterprises to be maximized.

The invention relates to the technical field of reactors, and discloses a uniform gas-liquid distribution suspended bed reactor for heavy oil hydrogenation, which comprises a reactor shell, a gas-liquid distribution disc is horizontally arranged at the lower end of an inner cavity of the reactor shell, a Venturi annular gas-liquid diffuser is arranged on the gas-liquid distribution disc, and a pre-distribution chamber is formed at the bottom of the gas-liquid distribution disc; the Venturi annular gas-liquid diffuser comprises an outer gas guide pipe arranged on the gas-liquid distribution disc in a penetrating mode. According to the Venturi annular gas-liquid diffuser, through the synergistic effect of a liquid-phase flow annular nozzle and a gas-phase flow annular nozzle, a liquid phase sprayed out at a high speed is actively sheared and broken relative to a low-speed gas phase, and uniform small bubble groups can be generated, so that the gas-liquid contact area is greatly increased; the dissolution rate and the mass transfer efficiency of the hydrogen into the heavy oil are remarkably improved, so that the hydrogenation reaction depth and the product quality are directly improved, and meanwhile, the catalyst in a catalyst suspended bed reaction zone is effectively protected.

The invention relates to the technical field of reaction kettles, and particularly discloses a reaction kettle for desulfurizer production and a reaction method.The reaction kettle comprises a reaction kettle body, and a partition plate is mounted in the reaction kettle body; the rotary liquid inlet assembly is arranged on the reaction kettle main body, and a transition shell is connected to the rotary liquid inlet assembly; according to the reaction kettle for desulfurizer production and the reaction method, the liquid outlet rotates along with the rotary liquid inlet assembly, regular movement of the inner ring and the outer ring is achieved under the action of the position adjusting assembly, and the liquid distribution range of the liquid outlet is expanded in cooperation with reciprocating swing brought by the angle adjusting assembly; the liquid desulfurizing agent raw materials are distributed comprehensively and uniformly in a layered mode, the problem that local concentration is not uniform due to a single liquid inlet is avoided, it is ensured that active ingredients of the desulfurizing agent are distributed uniformly, the natural diffusion time of the raw materials is shortened through the uniform liquid distribution mode, the production period of the desulfurizing agent is shortened on the whole, and the production efficiency is improved.

The invention relates to the field of enhanced intrinsic safety in a gas-liquid phase mixing process, and discloses a gas-liquid mixing device and a gas-liquid mixing vaporization method. The device comprises a shell, a Venturi gas-phase turbulent mixing section, a liquid-phase atomizing mixing section and a static mixing section are sequentially arranged in the shell in the flowing direction of material flow, the Venturi gas-phase turbulent mixing section comprises a reducing structure and an expanding structure, a liquid inlet component is arranged at the position, close to the reducing structure, of the expanding structure, and the static mixing section is connected with the liquid inlet component. The liquid phase atomization mixing section is provided with a membrane tube base body, the membrane tube base body is provided with a plurality of inner holes in the axial direction, the surfaces of the inner holes are coated with nanometer materials, and the static mixing section is provided with filler. According to the device, the liquid-phase oxidizing agent and the gas-phase oxidizing agent are subjected to multi-stage mixing vaporization, the atomization degree of the liquid phase is increased, the uniformity degree of the obtained mixed gas phase is improved, meanwhile, the device can be quenched after burning explosion by coupling a porous membrane pipe and filler, and the burning explosion risk in the mixing vaporization process is reduced.

The invention belongs to the technical field of drilling fluid processing, and particularly relates to a special silicate water-based drilling fluid for a coal-bed gas well as well as a processing method and a processing device of the special silicate water-based drilling fluid. The top end of the stirring tank is communicated with a first feeding hole and a second feeding hole, and the bottom end of the stirring tank is communicated with a discharging pipe; a rotating shaft is rotationally connected to the top surface of the inner wall of the stirring tank, and a sliding groove is formed in the bottom surface of the rotating shaft; a rotating shaft is driven by a first motor to rotate, and the rotating shaft drives a connecting shaft to rotate, so that fresh water and additives in a stirring tank are stirred and mixed by stirring blades, and a first screw rod can be driven by the first motor to positively and negatively rotate in a reciprocating manner in the mixing process; the first screw rod drives the connecting shaft to move up and down in the sliding groove, so that the stirring blades move up and down, the stirring blades stir and mix the water and the additive while moving, and the mixing efficiency and uniformity of the additive and the water are improved.

The invention relates to the technical field of barium carbonate preparation, and provides a barium carbonate synthesis reactor and an application method thereof.The barium carbonate synthesis reactor comprises a tower body, a reaction pipe, a flow guide pipe and a sprayer, and the tower body, the reaction pipe and the flow guide pipe are coaxially arranged; the reaction tube is positioned in the tower body, and one end of the reaction tube extends out of the tower body; the flow guide pipe is located in the reaction pipe, and the flow guide pipe and the reaction pipe form a turbulent flow part used for reducing the gas flow rate and discharging reaction gas; the spray head is arranged on the reaction tube, and the spraying end of the spray head is positioned in the reaction tube and corresponds to the turbulent flow part. The reaction pipe and the flow guide pipe are arranged in the tower body, the reaction pipe extends out of the tower body, carbon dioxide gas can be conveniently input, and the flow guide pipe can conduct gas flow guide, so that the carbon dioxide gas can fully react with a barium sulfide solution sprayed by the spray heads on the periphery of the reaction pipe; meanwhile, the flow guide pipe is also used for outputting gas, so that gas output in the tower is realized, and the device is suitable for preparing barium carbonate by taking a barium sulfide solution as a raw material.

According to the mixed phase ice crystal particle ground generation and icing experiment device and method, a water spray head generates a water drop particle swarm, an ice crystal particle generation device generates an ice crystal particle swarm, the water drop particle swarm and the ice crystal particle swarm are mixed in a controllable proportion to form an ice-water mixed phase, and then a mixed phase icing experiment can be achieved. The experimental device comprises an air duct system, a water drop atomization generation system, an ice crystal particle generation system, an impact surface system and a measurement system, the air duct system comprises an axial flow fan, an air duct and an experiment cavity; the impact surface system comprises an impact surface assembly, the water drop atomization generation system and the ice crystal particle generation system are used for providing water drops and ice crystals respectively, the axial flow fan provides high-speed airflow, the water drops and the ice crystals are conveyed through the air duct to impact the impact surface assembly at a high speed, and an impact icing experiment of a mixed phase is achieved; the measuring system is used for measuring the air speed, temperature and humidity in the air duct and measuring the thickness and temperature of an ice layer of the impact surface assembly.

The invention discloses an experimental system and method for accelerating and promoting a gas-liquid-solid three-phase reaction in a multi-stage manner, and relates to the technical field of reaction equipment and carbon emission reduction. The experiment system comprises: a reaction kettle provided with a visual window and an atomization device mounting groove; the floating type piezoelectric ceramic atomization device is embedded in the atomization device mounting groove; the gas injection device comprises a gas hole distribution pipe and a gas injection pump connected with the gas hole distribution pipe; uniformly distributed micropores are formed in the pore distribution pipe; the magnetic stirring device comprises a magnetic driving base, a rotating speed controller and a magnetic stirrer arranged in the reaction kettle; the magnetic stirrer is arranged above the air hole distribution pipe; the bracket net is arranged on one side, deviating from the air hole distribution pipe, of the magnetic stirrer; and the temperature control device comprises a constant-temperature bath and a temperature controller for controlling the temperature of the constant-temperature bath. The experimental system is compact in structural design, modularized, simple and convenient to operate, capable of efficiently accelerating the gas-liquid-solid three-phase reaction and suitable for various experimental studies.

The invention discloses an oxidation kettle and a method for preparing an isocaprylic acid intermediate product sodium isocaprylate, the oxidation kettle comprises a kettle body and a jacket fixedly sleeved outside the circular outer part and the bottom end of the kettle body, a sealing seat is arranged at the center of the top end of the kettle body, a speed reducer is fixed at the top end of the sealing seat through a flange and a screw, and a speed reduction shaft of the speed reducer penetrates through the sealing seat; a speed reducer is arranged in the kettle body, the top end of the speed reducer is in transmission connection with a stirring motor, the stirring motor is electrically connected with an external power supply through an electric wire, and a stirring shaft is vertically arranged at the center of the kettle body. According to the device, the stirring effect on fluid in the kettle body can be enhanced through automatic up-down swinging of the metal stirring rollers, synchronous swinging of the multiple stirring rollers is achieved through the linkage mechanism, stable and controllable swinging action is ensured through the driving mechanism, the mixing uniformity and reaction efficiency of materials in the oxidation kettle are remarkably improved, and the production cost is reduced. And the stirring requirements of high-viscosity and easily-layered materials are met. The oxidation kettle can be used for preparing an isocaprylic acid intermediate product sodium isocaprylate.

The invention belongs to the technical field of polyurethane sponge recycling, and discloses a polyurethane sponge recycling and regenerating device based on biomass acid continuous degradation, the polyurethane sponge recycling and regenerating device comprises a reaction kettle, the outer side of the lower end of the reaction kettle is provided with a rotation adjusting assembly, and the rotation adjusting assembly is matched with a discharge pipe and other structures; the position of a discharging port is changed in an adjusting mode, so that efficiency is improved, due to the fact that fixed teeth are in a fixed state, a driving gear can rotate along the fixed teeth in a meshed mode when rotating, and when the driving gear rotates, a discharging pipe can be driven to rotate along a sealing bearing, so that the position of the discharging port in the tail end of the discharging pipe is changed; according to the mode, the discharging position can be changed, finally, waste is guided into the centrifugal barrels for centrifugal treatment, the efficiency can be effectively improved through cooperation of the rotary adjusting assembly and the four sets of centrifugal barrels, the four sets of centrifugal barrels can keep the state that two sets run and two sets are cleaned, the efficiency is effectively improved, and the reaction continuity is prevented from being affected.

The invention discloses a sludge low-temperature oxidation treatment system and method. The system comprises a pretreatment unit, a feed lifting mechanism, a low-temperature oxidation furnace, a flue gas purification unit and an automatic control unit. The low-temperature oxidation furnace is divided into a feeding area, a low-temperature oxidation area and an air distribution and slag discharge area from top to bottom, an air distribution plate is provided with air outlets which are uniformly arrayed, the temperature of the low-temperature oxidation area is controlled to be 420-480 DEG C, and generation of dioxin is inhibited from the source. The pretreatment unit is used for mixing sludge, biomass and quartz sand to form a loose breathable material to prevent the sludge from hardening; the method comprises the steps of material mixing, continuous feeding oxidation, temperature closed-loop regulation and control, flue gas purification and ash treatment, high-water-content municipal sludge can be stably treated, the energy consumption is low, the dioxin generation amount is low, flue gas emission reaches the standard, ash can be recycled, and the method is suitable for large-scale municipal sludge harmless treatment.

The invention discloses high-stability gravure ink and a preparation device thereof, and belongs to the technical field of printing materials, and the ink is prepared from polyurethane acrylate hybrid resin, phthalocyanine blue pigment, nano-zinc oxide dispersion, environment-friendly ester solvent, isopropanol and a plurality of auxiliaries according to a specific weight part ratio. The anti-settling property, the leveling property and the storage stability are excellent. The preparation device comprises an intelligent batching unit, a multi-stage efficient mixing and dispersing unit, a vacuum defoaming and curing unit and an online filtering and filling unit which are sequentially arranged in the material flow direction, and is integrally controlled by a central intelligent control system. According to the device, through the unique coaxial different-direction stirring assembly, ultrasonic-assisted dispersion and full-process automatic control, efficient, uniform and continuous production of printing ink is achieved, and the consistency of product quality and production efficiency are remarkably improved. The problems that traditional gravure ink is poor in stability, the production process is dispersed, and the traditional gravure ink depends on manpower are effectively solved.

The invention discloses a fluidized bed reactor for preparing porous carbon through collaborative graded activation of water vapor and CO2 and a method for preparing the porous carbon through collaborative graded activation of the water vapor and the CO2, and belongs to the technical field of material chemical engineering. The fluidized bed reactor is composed of a shell, a fluidization section, a sedimentation section, a porous distribution plate, a gas distribution chamber, a stirring device and a temperature control system, and uniform fluidization and multi-section temperature control of superfine powder are achieved. According to the activation method, steam and CO2 collaborative graded etching pore-forming is adopted, specifically, in the first stage, quick pore-forming is conducted mainly through steam at the temperature of 500-800 DEG C, in the second stage, pore-expanding is conducted cooperatively through steam and CO at the temperature of 700-900 DEG C, and in the third stage, fine control is conducted mainly through CO2 at the temperature of 850-1050 DEG C; the continuous preparation of the high-performance porous carbon with the specific surface area of 1500-2500m < 2 > / g, the pore volume of more than or equal to 0.8 cm < 3 > / g and the 2-10nm mesopores accounting for 20-60% is realized by adjusting the gas velocity, the activation temperature, the activation time and the ratio of water vapor to CO2, the bottlenecks of low specific surface area, single pore diameter, large batch difference and the like of physical activation are solved, and the method is suitable for green and low-cost production of high-end energy storage carbon materials such as supercapacitors, lithium / sodium ion batteries and the like.

The utility model provides a reaction kettle for chemical industry, which relates to the technical field of chemical industry and comprises a kettle body, and the top of the kettle body is fixedly connected with a cover plate. The hydraulic rod drives the piston to move, so that the medicine pumping pipe pumps quantitative solution and conveys the solution into the hollow pipe through the hose, in the conveying process, the driving gear and the transmission gear are driven to rotate under the starting of the motor, and under the action of the rotary sealing joint, the solution is conveyed into the hollow pipe through the hose. A hollow pipe and a stirring blade are driven to rotate, a solution can be conveyed to different positions in the kettle body through a medicine outlet, and meanwhile, a transmission gear can drive two driven gears to synchronously rotate, so that two threaded sleeves rotate along a fixed frame and can be driven to reciprocate up and down along a reciprocating screw rod; and a fixed frame and a hollow pipe are driven to reciprocate, so that stirring blades reciprocate up and down during rotation, an added solution is fully mixed with internal raw materials, the reaction speed is increased, and the practicability is relatively high.

Systems and methods for synthesizing ammonia include one or more electrochemical hydrogen pumps to recover excess hydrogen gas from the ammonia synthesis product stream. The systems and methods improve overall yield and efficiency of the ammonia production process by separating and purifying hydrogen gas that otherwise would be lost.

The utility model discloses a feeding device of a granulator, which comprises an extruder, a feeding device and a feeding device, the dispersing component comprises a feeding barrel arranged at the top of the extruder, a feeding port is formed in the top of the feeding barrel, a discharging port is formed in the bottom of the feeding barrel and communicated with the charging barrel, two transmission rods are further arranged in the feeding barrel, stirring blades are distributed on the transmission rods, gears are arranged at the extending ends of the two transmission rods respectively, and a power unit is further arranged on the feeding barrel; the heating part is arranged on the feeding barrel; according to the feeding device, after materials enter the feeding barrel, the power unit drives the two transmission rods to rotate relatively through meshing between the two gears, so that the stirring blades fluctuate the materials in the feeding barrel from the center of the feeding barrel to the two sides of the feeding barrel, meanwhile, the heating component heats the inner wall and the inner cavity of the feeding barrel, and therefore the materials in the feeding barrel are heated; therefore, the materials are prevented from caking due to extrusion and humidity problems, the materials can be heated more uniformly, and the product quality is guaranteed.

To provide a powder supply device and powder supply method, which allow for supplying a tiny amount of powder.SOLUTION: A powder supply device 1 for supplying powder B is provided comprising a nozzle 2, a suction device 3 for applying negative pressure to the nozzle 2, a filter tip 4 attached to an opening 22 of the nozzle 2 and provided with an adsorptive surface 41 for adsorbing the powder B, a horizontal movement mechanism 52 for horizontally moving the nozzle 2, and a lifting mechanism 53 for vertically moving the nozzle 2. The adsorptive surface 41 of the filter tip 4 is exposed from the opening 22 of the nozzle 2.SELECTED DRAWING: Figure 1

The present invention relates to an anti-clogging slurry method polyethylene polymerization apparatus, which comprises a reactor body, a stirring mechanism arranged in the reactor body, and at least one ethylene gas inlet pipe extending into the reactor body, the outlet section of the ethylene gas inlet pipe is set to be a gradual shrinkage structure, the inner diameter of the ethylene gas inlet pipe is gradually reduced along the gas flow direction, and the inner diameter of the ethylene gas inlet pipe is gradually reduced along the gas flow direction. The gradually-shrunk outlet section is used for increasing the ejection speed of ethylene gas at an outlet, so that high-speed and high-momentum jet flow is obtained, directional pneumatic blowing of a pipe opening and a peripheral area is formed, initial accumulation of slurry on the edge of the pipe opening and an adjacent inner wall is effectively prevented, and formation and accumulation of retention block materials on the inner wall of the pipe opening are reduced.

The invention discloses a lifting type stirring reaction kettle which comprises a base, a stand column, a first moving assembly, a second moving assembly, a first fixing assembly, a second fixing assembly and a glaze spraying assembly, the bottom of the base is fixed to the ground, the stand column is vertically fixed to the top of the base, and the second moving assembly is arranged on the first moving assembly. The glaze spraying assembly is arranged on the second moving assembly, the first fixing assembly and the second fixing assembly are arranged in parallel and located on the two sides of the stand column, and the second moving assembly drives the glaze spraying assembly to move to the position above the first fixing assembly or the second fixing assembly. The first moving assembly drives the glaze spraying assembly to be close to the bottom of the first fixing assembly or the second fixing assembly. The lifting type stirring reaction kettle is high in stirring efficiency, small in motor load and simple and reliable in structure.

The invention provides a preparation method of dicapryl carbonate, belongs to the field of preparation of dicapryl carbonate, and can solve the problems of unstable reaction system, low raw material conversion rate, low catalyst efficiency, poor phase contact effect, many side reactions, low product purity and poor quality in the existing preparation method of dicapryl carbonate. The preparation method of dicapryl carbonate comprises the following steps: fully mixing n-caprylic alcohol, a basic catalyst and a cosolvent, continuously dropwise adding low-grade dialkyl carbonate into the mixed solution for 5-10 hours through a liquid material distributor, carrying out ester exchange reaction, continuously extracting low-boiling-point substances, controlling the reflux quantity, and carrying out reduced pressure distillation to obtain the dicapryl carbonate. The method comprises the following steps: adding a cosolvent into a reaction solution, enabling the cosolvent with an initial addition amount to always exist in the reaction solution, after the reaction is finished, dealcoholizing by reduced pressure distillation, and removing impurities by washing to obtain a crude product of dioctyl carbonate, and rectifying to obtain a dioctyl carbonate product. The preparation method is high in raw material conversion rate and high in product yield, and the purity of the obtained product is gt; the content of impurities is low, and the method can be applied to preparation of cosmetics.

The invention relates to the technical field of disinfectant generation, in particular to a hypochlorous acid disinfectant generation device based on a jet flow type phase interface reaction method, which comprises a bracket, and further comprises a mixing and pressurizing assembly, a mixing pipe mounted on the bracket, a discharging pipe arranged at one end of the mixing pipe, and a pressurizing pipe arranged at the other end of the mixing pipe, a second liquid adding pipe and a liquid outlet pipe are respectively arranged at the end part of the pressurizing pipe; the adjusting assembly comprises a detection pipe installed above the pressurizing pipe, gas in the liquid outlet pipe is detected through the detection pipe, an adjusting piece is arranged between the detection pipe and the second liquid adding pipe, and the flow speed of liquid in the second liquid adding pipe is adjusted through the adjusting piece according to the gas detected by the detection pipe. The adjusting assembly is arranged at the end of the pressurizing pipe, whether chlorine is generated in the liquid outlet pipe of the pressurizing pipe or not is monitored in real time, when chlorine appears, the liquid inlet amount of raw materials is adjusted in time, meanwhile, the position is cooled, meanwhile, the adjusting and detecting means both adopt power during liquid inlet of the raw materials, and more production cost is saved.

The present invention relates to a non-noble metal long-chain alkane dehydrogenation catalyst, which uses CeO2 and a transition metal M as main active components, and the mass percentage of the transition metal M is 0-30 wt%; wherein M is one or a combination of more of Fe, Co and Ni. Meanwhile, the invention also discloses a preparation method and application of the catalyst. The catalyst provided by the invention shows good dehydrogenation activity and stability in an inert atmosphere. An alternative solution which is low in cost, high in performance and easy to operate is provided for a long-chain alkane dehydrogenation process.

The high-performance release agent production equipment comprises a reaction cavity shell and a temperature sensing probe, a sealing cover plate is fixed to the outer wall of the top of the reaction cavity shell through a hasp lock, and a gas path rotating connector is fixed to the axis position of the top of the sealing cover plate in a penetrating mode; a hollow stirring rod is rotationally mounted at the axis of the gas path rotating joint through a deep groove ball supporting bearing, and bionic elastic turbulent flow blades which are distributed at equal intervals are in threaded connection with the outer wall of the middle of the hollow stirring rod. Through cooperation of the storage bin, the spiral conveying blade and the first servo motor, the raw material conveying speed can be accurately adjusted, the situation of blockage or low efficiency is avoided, the second servo motor drives the grinding base to rotate at a high speed through meshing transmission of the first bevel gear and the second bevel gear, and the grinding efficiency is improved. An electric telescopic rod is matched to adjust a grinding disc to move left and right for further grinding, blocky raw materials can be fully crushed and ground, raw material particles are uniform and fine, and a good foundation is provided for subsequent reaction.

The application belongs to the technical field of wastewater treatment, and particularly relates to a polymerization reaction device for producing polyaluminum sulfate flocculant and a production method, which comprises a base, a reaction kettle, a mixing structure and a scraping assembly. The reaction kettle is formed by combining an upper tank body and a lower tank body. An exhaust pipe is fixed to the top of the upper tank body. A feed pipe is symmetrically fixed to the upper part of the side of the lower tank body. The mixing structure is arranged in the middle of the reaction kettle. The mixing structure is rotatably installed below the middle of the upper tank body. The mixing structure comprises a driving shaft, and the side of the driving shaft is uniformly provided with stirring rods. A motor for driving the mixing structure to rotate is fixed to the top of the upper tank body. The scraping assembly is installed on the driving shaft. The scraping assembly is driven to rotate by the driving shaft to clean the foam on the top of the mixed solution in the reaction kettle. The foam on the surface of the mixed solution is cleaned by the scraping assembly, so that the gas generated in the reaction process is smoothly discharged upwards from the inside of the solution, and the reaction is stably carried out.

The utility model discloses a cleaning nozzle and a reaction kettle. The jet orifice is hidden in the shell by using the elastic piece, and the movable nozzle is driven by water flow required by cleaning to extend out of the shell so as to expose the jet orifice, so that the cleaning nozzle overcomes the technical difficulty that reaction liquid easily flows into the jet orifice and is solidified to block the jet orifice in the normal reaction process of the reaction kettle; the cleaning spray head can be arranged in the reaction kettle and can be used for cleaning by inputting water flow, so that a manhole cover or a kettle cover is prevented from being opened and closed for multiple times, the current situation that a person stretches into or drills into the reaction kettle for cleaning is also avoided, and the feasibility of automatic cleaning is provided, so that the cleaning efficiency is improved, and the cleaning risk is reduced. Moreover, pneumatic and electric components are prevented from being arranged in the reaction kettle while automatic cleaning is realized, so that the safety requirements of chemical production scenes are met, and the safety risk and the cost for realizing automatic cleaning are reduced.

The invention discloses a method and system for preparing iron phosphate through an iron powder method based on oxygen micro-nano bubbles and application, and belongs to the technical field of iron phosphate preparation. The method comprises the following steps: pulping iron powder and pure water, injecting the pulped iron powder and pure water into an iron dissolving reaction kettle, adding phosphoric acid, and carrying out a leaching reaction under corresponding preset conditions to obtain a first solution containing ferrous dihydrogen phosphate; after solid-liquid separation, pumping the second filtrate into an oxidation kettle, introducing oxygen micro-nano bubbles by using a micro-nano bubble generator, and carrying out oxidation reaction on the second filtrate and ferrous dihydrogen phosphate under corresponding preset conditions to obtain a third solution containing amorphous hydrated iron phosphate and phosphoric acid; pumping the third solution into an aging kettle, and aging the amorphous ferric phosphate hydrate to generate ferric phosphate dihydrate, so as to obtain a fourth solution; after solid-liquid separation, washing the iron phosphate dihydrate, and carrying out flash evaporation drying on a filter cake to obtain dry powder; and roasting and dehydrating to finally obtain the battery-grade anhydrous iron phosphate. According to the method, reaction conditions are accurately controlled, oxygen micro-nano bubbles are innovatively introduced for oxidation, and a new way is provided for preparing high-performance products.

The utility model discloses a material dripping device which comprises a liquid storage tank and a metering tank, a discharging pipe is arranged at the bottom of the liquid storage tank, a liquid flowmeter is arranged on the discharging pipe, the metering tank is communicated with a feeding pipe through a connecting pipe, a liquid outlet of the metering tank is connected with a feeding port of a reaction kettle, and a dripping mechanism is arranged at the top of the reaction kettle. The dripping mechanism comprises a flow guide plate and a dripping plate which are transversely arranged in the reaction kettle, a flow guide cavity is formed between the flow guide plate and the top of the reaction kettle, and a feeding cavity communicated with the flow guide cavity is formed between the dripping plate and the flow guide plate. According to the material dripping device provided by the utility model, conveyed liquid raw materials can be metered through the liquid storage tank, the liquid flow meter and the metering tank, so that errors in the adding amount of the liquid raw materials are avoided, and the different liquid raw materials can be sufficiently mixed, dispersed and uniformly dripped into reaction materials in the reaction kettle through the feeding mechanism.

The invention discloses a gas-liquid atomization rotational flow mixing reaction device which comprises a mounting bracket, the mixing reaction chamber is detachably mounted on the mounting bracket through a bolt; the communicating chamber is detachably mounted at the top of the mixing reaction chamber through a bolt; the gas-liquid separation chamber is detachably mounted at the top of the communicating chamber through a bolt; the atomizing nozzle is fixedly connected to the mixing reaction chamber; the driving unit and the indicating unit are installed on the pressure regulating unit, and one end of the gas feeding pipe is fixedly connected to the atomizing nozzle. By adopting a gas-liquid atomization and rotational flow self-stirring structure, the problems that traditional mechanical stirring is slow in mixing, poor in uniformity and unbalanced in local proportion are fundamentally solved, the phenomena of back mixing and short circuit are eliminated, the reaction is more sufficient, crystallization is more uniform, the yield is higher, meanwhile, a stirring mechanism is omitted, the device is simplified, energy consumption is reduced, parameters such as pH and temperature are fed back more timely, and the production efficiency is improved. And the control precision is greatly improved.

The invention relates to the technical field of purification, and discloses quartz ore impurity removal and purification equipment and a method thereof, and the quartz ore impurity removal and purification equipment comprises a reaction kettle shell. The vortex-shaped linear guide rail is accurately matched with the push rod, the lower surface of the vortex-shaped linear guide rail is provided with an inclined surface, when the positioning column rotates, the top of the push rod is slidably connected with the bottom of the lifting arm, and jacking force pushes the lifting arm to turn upwards and drives the top plate to move upwards to extrude a catalyst in the temporary storage cavity; the lifting distance of the outer push rod is larger than that of the inner side, the movement amount of the corresponding outer top plate is larger, the feeding amount is synchronously increased, and the outer linear speed is larger than that of the inner side when the distribution frame rotates, so that the density of catalysts in all areas in the reaction kettle is consistent, and excessive or insufficient local reaction is avoided; therefore, the problem of reaction efficiency difference caused by non-uniform feeding of traditional equipment is solved, the reaction uniformity in the quartz ore purification process is effectively improved, and the purity of a final product is ensured to stably reach the standard.