3627results about "Evaporator accessories" patented technology

The invention relates to a complex solution evaporator which is composed of a shell, a heat exchange assembly, a transmission assembly, a bearing sealing assembly, a frame supporting assembly, an auxiliary discharging assembly, a defoaming assembly, a pipeline assembly and a control assembly. The shell comprises a shell body, a left side end plate and a right side end plate, and the heat exchange assembly is installed in the middle area in the height direction of the shell body and composed of a plurality of heat exchange plate sets arranged side by side. And the upper area of the shell is a gas-liquid separation area and is provided with a defoaming assembly. The lower area of the shell is a salt settling area, and an auxiliary discharging assembly is installed. A secondary steam outlet and a feed port are formed in the top of the shell, and a condensate outlet and a discharge port are formed in the bottom of the shell. A stirring shaft of the transmission assembly transversely penetrates through the middle of the heat exchange plate set, and a plurality of scrapers are fixed to the stirring shaft. The pipeline assembly comprises a steam inlet pipe set and a condensate pipe set. The steam inlet pipe set is connected with a plate set medium connector above the heat exchange plate set, and the condensate pipe set is connected with a plate set medium connector below the heat exchange plate set.

The invention discloses a spray drying device for boron carbide production, the spray drying device comprises a spray drying tower, a hot blast stove, a cyclone separator and a system controller, an atomizer and an online detection module are arranged in the spray drying tower, and the online detection module is used for monitoring temperature parameters in the spray drying process; comprising a first temperature sensor, a second temperature sensor and a temperature signal processing unit, the temperature signal processing unit adopts a multi-stage filtering and error compensation technology, noise and interference are effectively suppressed, and the accuracy of detection data is ensured. The air inlet temperature and the air outlet temperature are monitored in real time through the online detection module, the fuzzy-PID control algorithm is combined, the temperature control precision and the response speed are remarkably improved, and temperature fluctuation is reduced. The device dynamically adjusts the heating power of the hot blast stove according to real-time working conditions, the energy utilization efficiency is optimized, and the energy consumption is reduced.

The invention provides porous foam with a bionic lotus seedpod surface structure and a preparation method of the porous foam, belongs to the technical field of photothermal conversion materials, and aims to solve the technical problem that a solar evaporator is poor in water evaporation performance and salt resistance. According to the invention, a vacuum solution pouring technology / salt template method / template auxiliary technology is combined to prepare the composite foam, and the composite foam has a surface hemispherical pore structure and a lower layer honeycomb hierarchical pore structure at the same time, which is benefited from unique surface and internal pore structures; the solar evaporator shows efficient and stable evaporation performance, high salt resistance, good self-cleaning capacity and the like in NaCl solutions with different concentrations, and the double-layer hierarchical pore composite foam has wide application prospects in sewage treatment and seawater desalination. The preparation method has the advantages of being simple in process, convenient to operate, controllable in surface pore structure and internal pore shape, capable of forming evaporators in complex shapes and the like.

The utility model provides an emission reduction system for producing tetrahydrofuran from 1, 4-butanediol, and relates to the technical field of chemical production equipment. By arranging the 1, 4-butanediol raffinate separation unit, the 1, 4-butanediol raffinate generated in the tetrahydrofuran production unit can directly enter the film evaporator to be separated, the light component 1, 4-butanediol is rapidly evaporated and flows out from the first gas phase outlet, and the light component 1, 4-butanediol is condensed by the gas phase condenser and then returns to the tetrahydrofuran production unit to serve as a raw material to be recycled. And heavy components of tar in the film evaporator flow out from a first liquid phase outlet at the bottom and are discharged and incinerated. The system can further separate the 1, 4-butanediol raffinate generated in the tetrahydrofuran production unit, and recycle the 1, 4-butanediol in the raffinate, so that the material waste of the 1, 4-butanediol is reduced, and the utilization rate of the 1, 4-butanediol raw material is improved. And meanwhile, the 1, 4-butanediol residual liquid discharge incineration treatment amount is greatly reduced, energy conservation and emission reduction are achieved, and the production cost is reduced.

The invention discloses an evaporative crystallization device for high-purity anhydrous sodium sulphate, and relates to the technical field of anhydrous sodium sulphate processing, and the evaporative crystallization device is characterized by comprising an evaporation tank and a spraying and scraping mechanism, the spraying and scraping mechanism is arranged on the evaporation tank and comprises a spraying pipe, a spraying head, a vertical shaft, a cross arm, a scraping plate and a driving assembly, the spraying pipe is rotationally connected with the evaporation tank, the spraying head is installed at the end, located in the evaporation tank, of the spraying pipe, a spraying opening of the spraying head faces the inner side wall of the evaporation tank, and the spraying pipe is fixedly connected with the vertical shaft; the vertical shaft is fixedly connected with a plurality of cross arms, the cross arms are fixedly connected with a scraper blade, and the scraper blade is in friction contact with the inner wall of the evaporation tank; the driving assembly drives the spraying pipe and the spraying head to rotate, when a solution sprayed by the spraying head makes contact with the high-temperature inner side wall of the evaporation tank, water in the solution can be rapidly evaporated, and therefore separation of sodium sulfate crystals in the solution is accelerated, and the evaporation and crystallization efficiency is effectively improved.

The invention belongs to the technical field of heat exchange, and particularly relates to a wall scraping type film evaporator for concentrated liquid based on a hydraulic support, the wall scraping type film evaporator comprises an evaporation cylinder, angle control units are uniformly arranged in the evaporation cylinder in the circumferential direction, and a displacement adjusting unit is arranged at one end of each angle control unit; through toothed belt transmission between toothed belt wheels, the torque between a torsion spring and an angle rod is dynamically adjusted, the vertical dip angle between a scraping plate and the barrel wall of an evaporation barrel is linearly adjusted, and meanwhile the compression amount between a ball head and an eccentric wheel is changed through eccentric interaction between an end ring and the eccentric wheel when the end ring rotates; after the vertical inclination angle of the dynamic adaptive scraper is adjusted, the gap between the scraper and the wall of the evaporation cylinder is constant, the film thickness is stabilized, and the heat transfer uniformity of unit area is improved; the number of teeth and the modulus between the control gear ring and the end dividing gear are linearly adjusted, the steering difference between the steering ring pipe and the angle pipe is dynamically adjusted, the horizontal dip angle between the scraper and the barrel wall of the evaporation barrel is linearly matched, and material flowing and film uniformity are optimized.

The utility model relates to a thickener for traditional Chinese medicine decoction piece production, and belongs to the technical field of traditional Chinese medicine decoction piece production and processing, the thickener comprises a thickener, a heating table is arranged on the thickener, a condensation tank is arranged on the thickener, and a steam guide structure is arranged on the thickener. According to the thickener for producing the traditional Chinese medicine decoction pieces, a steam guide structure is arranged, an electric push rod in a lifting component is used for controlling an isolation cover cylinder to move downwards, so that the isolation cover cylinder is matched with an annular limiting table to completely cover an evaporation tank, a sealing effect is achieved through an abutting ring and a sealing component, and steam leakage is avoided; steam generated after the evaporation tank is heated is discharged into the condensation tank through the conical steam bin by utilizing the fan, so that waste caused by the fact that the liquid medicine steam is attached to the inner wall of the thickener is avoided, and the content of concentrated liquid medicine formed by condensing the steam generated after the traditional Chinese medicine decoction pieces are cooked is further increased; therefore, the practicability of the thickener for producing the traditional Chinese medicine decoction pieces is enhanced.

The invention discloses a polygonatum sibiricum polysaccharide extracting solution concentration scraper, and belongs to the technical field of concentration scrapers. Comprising a hollow rod, a mounting box is fixedly connected to the top end of the hollow rod, a connecting plate is fixedly connected to the upper surface of the mounting box through a plurality of bolts, and a hollow main shaft is fixedly connected to the center of the upper surface of the connecting plate; air is supplied to the fixing box through the air conveying pipe, the U-shaped pipe, the communicating pipe and the hose, the piston plate is pushed to drive the supporting rod and the scraper body to extend outwards, initial close contact between the scraper and the inner wall of the evaporation barrel is achieved, and meanwhile a second spring in the supporting rod can adjust contact pressure in a self-adaptive mode to ensure that the supporting rod is tightly attached to the inner wall of the evaporation barrel; meanwhile, the first spring is matched to drive the scraper body to be stably retracted when gas is stopped, the problem of gaps after long-term use is thoroughly solved, uneven film formation caused by missing scraping is avoided, materials are prevented from being retained in the gaps and being overheated and carbonized, and the purity and activity of the polygonatum sibiricum polysaccharide are guaranteed.

The invention provides an evaporative crystallization device and process for fluorine-containing high-salinity wastewater, and relates to the technical field of high-salinity wastewater treatment.The evaporative crystallization device for the fluorine-containing high-salinity wastewater comprises a support and an evaporation tank, and a first material opening used for communicating a stacking ring cavity with a material storage cavity is formed in an inner cylinder; a second material opening for communicating the material storage cavity with the material discharge cavity is formed in the first baffle plate; the heating assembly is in contact with and heats the wastewater to evaporate and discharge a wastewater solvent, a wastewater solute is gradually separated out to form crystals and moves towards the material stacking ring cavity, the first material opening is controlled to be opened, the second material opening is controlled to be closed, the crystals in the material stacking ring cavity enter the material storage cavity through the first material opening, and then the first material opening is controlled to be closed and the second material opening is controlled to be opened; the crystals in the material storage cavity enter the material discharging cavity through the second material opening, the crystals in the material discharging cavity are discharged through the first auger, the separated crystals can be continuously discharged without shutdown, meanwhile, the negative pressure environment in the evaporation tank is prevented from being damaged, and the working efficiency is improved.

The utility model discloses a drawer type membrane desolventizing device which comprises a shell, a heating module, a condensing module and a membrane desolventizing module. The shell comprises a drawer shell and a device shell, and the drawer shell and the device shell are connected through a detachable part; the heating module and the condensing module are arranged in the device shell; the membrane desolventizing module is arranged in the drawer shell; the membrane desolventizing module comprises a pipeline inlet, a semi-permeable membrane pipeline and a pipeline outlet which are connected in sequence. According to the membrane desolventizing device disclosed by the utility model, the membrane desolventizing module is arranged in the drawer shell, and the heating module and the condensing module are arranged in the device shell, so that the membrane desolventizing module can be disassembled to replace a semi-permeable membrane pipeline by pulling out the drawer shell when the semi-permeable membrane pipeline needs to be replaced; after replacement, only the drawer shell needs to be pushed in and fixed through the detachable part, operation is very easy and convenient, and meanwhile the problem that due to the fact that other modules are detached, air tightness is poor or the modules are damaged is solved.

The invention relates to evaporation and purification equipment for electronic grade hydrochloric acid, which comprises a tank body, the tank body is provided with a liquid inlet and a vapor phase outlet, and the bottom of the tank body is provided with a heating pipe; the partition plate is arranged at the position, located above the heating pipe, in the tank body, the partition plate is longitudinally provided with a plurality of filler storage grooves, movable plates moving up and down are arranged in the filler storage grooves, the movable plates are provided with a plurality of through holes allowing steam to pass through, and the filler storage grooves are filled with filler particles; the number of the filler particles is in positive correlation with the pressure generated by the filler particles to the bottom of the tank body; the cache box body comprises a fixed box body and a movable box body; the lifting driving part is arranged at the bottom of the tank body, the telescopic end of the lifting driving part is connected to the movable plate, the movable plate is provided with a connecting rod for driving the movable box body to move, and the lifting driving part drives the movable plate and the connecting rod to move upwards in the extending process so as to gradually push the filler particles into the movable box body.

A soil sample digestion device, including a base, a driving mechanism, a first disk, a heating mechanism, a digestion vessel, a second disk and two liquid adding mechanisms. The driving mechanism and the first disk are mounted on the base. The heating mechanism and the digestion vessel are mounted on the first disk. The heating mechanism is configured to heat a solution in the digestion vessel. The second disk is mounted on the driving mechanism, and is configured to be driven by the driving mechanism to ascend and descend, or rotate relative to the first disk. The two liquid adding mechanisms are mounted on the second disk, and are configured for liquid addition to the digestion vessel.

The invention discloses a preparation method of a salt-resistant double-layer photo-thermal aerogel evaporator. The preparation method comprises the following steps: S1, cutting and cleaning foamed nickel, and then carrying out vacuum drying; s2, preparing Cu2O / NF (nickel nitrate); s3, preparing ppy-Cu2O / NF (nickel fluoride); s4, preparing hydrogel; and S5, flatly placing a sample ppy-Cu2O / NF on the top surface of the hydrogel, continuing to stand for gelling, enabling the photo-thermal layer and the bottom layer hydrogel to be fully combined, pre-freezing, transferring into a freeze dryer, and freeze-drying to finally obtain the salt-tolerant double-layer photo-thermal aerogel evaporator, namely the lightweight porous aerogel material ppy-Cu2O / NF / FCP with the double-layer structure. The device has the advantages that the high-level evaporation rate and efficient energy conversion are achieved, and efficient photo-thermal conversion and heat management are achieved through the double-layer structure design.

The utility model relates to a high-purity red phosphorus production device which comprises a stainless steel sealed pressure container, an infrared electric heater is arranged in the stainless steel sealed pressure container, an outer-layer high-purity quartz tube is arranged in the infrared electric heater, an inner-layer high-purity quartz tube is arranged in the outer-layer high-purity quartz tube, and an inner-layer high-purity quartz tube is arranged in the inner-layer high-purity quartz tube. Two ends of the inner layer high-purity quartz tube are closed, through holes are formed in the circumferential surface of the inner layer high-purity quartz tube, one end of the outer layer high-purity quartz tube is closed, and the other end of the outer layer high-purity quartz tube is provided with an opening which is hermetically connected with a stainless steel tube joint which is respectively connected with a nitrogen system and a vacuum system after extending out of an end socket of the stainless steel sealed pressure vessel; the stainless steel sealed pressure container is further provided with a nitrogen charging and discharging port which is connected with a nitrogen system. According to the utility model, the nested inner-layer high-purity quartz tube and the nested outer-layer high-purity quartz tube are adopted, discharging is carried out in the inner-layer high-purity quartz tube, red phosphorus is convenient to take out, nitrogen is filled inside and outside the outer-layer high-purity quartz tube, pressure balance inside and outside the outer-layer high-purity quartz tube is kept, and safety is ensured.

The utility model discloses a vacuum parallel concentrator convenient for opening an upper cover, which belongs to the technical field of concentrators, and adopts the technical scheme that the vacuum parallel concentrator comprises an oscillation module, and a hot bath module is arranged at the top of the oscillation module. The problem that the sealing effect is poor due to the difference of manual operation techniques and force of a user is avoided, the electric push rod accurately controls the rotating rod to rotate, so that the cover plate is driven to be stably opened and closed, it is ensured that the position and the pressing degree are consistent every time closing is conducted, and the sealing environment of the hot bath module and the sample tube in the hot bath module is effectively guaranteed; the experimental accuracy and stability are improved, the operation convenience is greatly improved, the labor intensity of a user is reduced, especially when multiple samples are treated, the operation time is saved through the automatic opening and closing function, the working efficiency is improved, the overall use experience is optimized, and the equipment operation better meets the efficient and accurate requirements of modern laboratories.

The invention belongs to the technical field of evaporators, and discloses a film evaporator with a multi-stage scraper structure and a working method thereof.The film evaporator comprises a heating chamber, the outer side face of the heating chamber is fixedly communicated with feeding ports at equal intervals in the axial direction, the bottom end of the heating chamber is fixedly communicated with a discharging port, and a main shaft is movably installed in the middle of the heating chamber; a main motor is mounted at the top end of the heating chamber, the output end of the main motor is connected with the top end of a main shaft, and the outer side face of the main shaft is fixedly sleeved with a mounting sleeve. Through cooperation between an electromagnetic column and a mounting sleeve and cooperation between a guide block and the main scraper assembly, the device can automatically retract the main scraper assembly in a non-concentration state, the device is kept in a non-scraping state, excessive abrasion caused by scraping is avoided, automatic reset of the main scraper assembly in a working state is achieved, abrasion is reduced, and the service life of the device is prolonged. The service life of the main scraper is prolonged, and the practicability is improved.

The invention discloses a hydrogel-based water-energy-resource co-production solar evaporator and application thereof, and belongs to the technical field of chemistry and environment, the hydrogel-based water-energy-resource co-production solar evaporator is prepared by taking sodium alginate hydrogel as a matrix, adding carbon nanotubes and a titanium-based lithium ion sieve or a metal-doped titanium-based lithium ion sieve into a solution of the sodium alginate hydrogel, taking polyurethane sponge as a carrier frame, and preparing the hydrogel-based water-energy-resource co-production solar evaporator. Ca2 + is adopted as a cross-linking agent to construct a solar evaporator with a flexible size (centimeter-level to meter-level components can be prepared according to application scenes), the solar evaporator is used for the solar driven evaporation process of lithium-containing water resources such as salt lake seawater, and Li + selective enrichment, fresh water collection and waste heat power generation are synchronously achieved. Moreover, the evaporator has the characteristics of simple preparation process, low cost and excellent environmental compatibility, also has a good removal effect on salt ions, and keeps stable fresh water collection performance in a long-time operation process.

The invention discloses a blueberry flavor jam processing device which comprises a concentration tank body and a sealing cover, the sealing cover and the concentration tank body are connected through two telescopic assemblies which are symmetrically arranged left and right, so that the sealing cover can move up and down relative to the concentration tank body; a feeding pipe extending into the concentration tank body is rotationally connected to the sealing cover in a penetrating manner, the feeding pipe is driven by a first driving motor to rotate, a filtering assembly is mounted in the feeding pipe, and a stirring assembly extending into the concentration tank body is mounted on the sealing cover; the stirring assembly rotates and moves up and down to stir blueberry jam, a clamping cavity is formed in the concentration tank body, and a circulating heating assembly communicating with the clamping cavity is installed on the concentration tank body. The blueberry flavor jam production line is reasonable in structural design, efficient and high-quality production of blueberry flavor jam can be achieved, market requirements are met, and meanwhile the quality and safety of products are guaranteed.

The invention relates to the technical field of separation and evaporation of sulfur trioxide, and discloses a device and a process for producing liquid sulfur trioxide by utilizing a film evaporator, the separation of gas-phase sulfur trioxide and low-concentration fuming acid is realized by utilizing the film evaporator, and the liquid sulfur trioxide is separated from the low-concentration fuming acid under the action of gravity and a rotary movable scraper of the film evaporator. Nicotinic acid forms an underspin film on the inner wall of the cylinder wall, and liquid is distributed into a uniform film, so that sulfur trioxide is quickly evaporated, and the evaporation capacity per unit area can be about 6-9 times that of a traditional evaporator; and meanwhile, under the action of high-speed rotating film scraping of the circumference, the heating time is short, the retention time of low-concentration nicotinic acid on the wall surface is shortened, and corrosion of the low-concentration nicotinic acid to the inner wall of the cylinder body at high temperature is avoided. According to the invention, the cyclone is arranged in the film evaporator, so that the material is prevented from being carried by gas, the removal efficiency of fog drops with the particle size of more than 1 micron reaches more than 99.9%, and the evaporation rate can be effectively improved by 1.0-2.6%.

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 discloses a material distribution system of a drying machine, and belongs to the technical field of liquid drying, the material distribution system comprises a rack group and a material distribution system, the rack group is in bolted connection with two main shaft groups, the outer side parts of the two main shaft groups are respectively provided with a pipeline function processing group, a scraper blanking group is arranged between the two main shaft groups, and the rack group is in bolted connection with a spray pipe scraper plate group. A protective cover metal plate set is arranged on the outer side of the rack set, the spray pipe scraper set comprises four sets of throttle valve spray pipe fixing seats fixedly installed on the rack set through bolts, the four sets of throttle valve spray pipe fixing seats are connected with the rack set through hexagon socket cap screws, and a set of speed regulating valves is fixedly installed on each set of throttle valve spray pipe fixing seats through bolts. The front end of each set of speed regulating valve is connected with a material distributing pipe through a pipe thread reducer union, a liquid nozzle is arranged at the end of each material distributing pipe, finally atomized liquid is sprayed out through the liquid nozzles, it is ensured that the device can dry and solidify different kinds of liquid in a proper state, and high-quality powder is obtained.

The present invention provides a high-efficiency buoyancy-driven convection-based 3D solar evaporator designed for the simultaneous rejection of salt and stable evaporation of high salinity water. The product combines different strategies, including engineered wick structure, low tortuosity macrochannels and edge-preferential salt crystallization. As a result, this evaporator demonstrates a stable evaporation rate of at least 2.5 kg m−2 h−1 under solar irradiance of 1 kW m−2 with sea water or salt solution of salinity of over 8 wt %.

The utility model belongs to the technical field of sealing ring assembly, and relates to a coupling agent evaporation device which comprises an evaporation tank, the evaporation tank is of a vacuum cavity structure, an electric heating module is wrapped on the outer wall of the evaporation tank, and a discharge port of the evaporation tank is connected with one end of a connecting pipe. The gas-liquid separation device is characterized in that the connecting pipe is connected with a gas-liquid separation mechanism, the gas-liquid separation mechanism comprises a sealing box, the bottom of the sealing box is connected with the evaporation tank through a return pipe, a gas distribution box is arranged in the sealing box, a gas inlet pipe is arranged in the gas distribution box, and a gas outlet pipe is arranged in the gas distribution box. The gas distribution box is communicated with the connecting pipe, a plurality of gas distribution holes are formed in the gas distribution box, and a separation assembly is arranged on one side of the gas distribution box. The gas-liquid separation mechanism is arranged on the connecting pipe, so that liquid particles in a gas-liquid mixed coupling agent can be separated out, and the coupling agent entering the coating cavity is ensured to be in a gas state.

The embodiment of the invention provides an evaporation system control method and an evaporation system, and relates to the technical field of control, the method is applied to a control system in an MVR evaporation system.The method comprises the steps that in response to a starting instruction, a feeding system is controlled to pump to-be-treated liquid into an evaporation crystallization system, and the real-time boiling point rise of the evaporation crystallization system is monitored; and determining to adopt an optimal recovery rate control mode or a boiling point rise control mode as a target control mode based on the real-time boiling point rise, and controlling the feeding system, the evaporative crystallization system and the water production system to treat the to-be-treated liquid according to a preset strategy corresponding to the target control mode, the frequency of the distilled water and the flow of the to-be-treated liquid pumped by the feeding system meet the corresponding recovery rate, so that the control intelligence and reliability of the MVR evaporation system are improved.

The invention relates to a method for extracting lithium from a salt lake and synchronously removing silicon and boron. The method comprises the following steps: pre-treating and filtering lithium-containing brine; carrying out reverse osmosis concentration treatment to concentrate lithium to be more than 2.5 g / L; carrying out nanofiltration treatment to remove magnesium, calcium and sulfate ions; treating by adopting an electrodialysis system to obtain a high-silicon and high-boron desalted solution and a low-silicon and low-boron lithium concentrated solution; the low-silicon and low-boron lithium concentrated solution is treated with chelating resin and boron removal resin, so that magnesium and calcium ions are smaller than or equal to 2 mg / L, boron is smaller than or equal to 20 mg / L, and the refined lithium concentrated solution is obtained; concentrating by an evaporation system, adding a precipitant, precipitating, filtering, washing, crushing and demagnetizing to obtain a low-silicon low-boron battery-grade lithium carbonate product. The invention further discloses a system for extracting lithium from the salt lake and synchronously removing silicon and boron, the complex and low-efficiency boron removal and silicon removal nanofiltration process is adopted, and concentration of lithium and efficient removal of silicon and boron are synchronously achieved; silicon scaling pollution caused by membrane separation and heat exchanger tube nests is avoided, and deep removal of silicon and boron is realized.

The present application relates to a kind of hot exciting flash evaporation loop lift heat exchanger, including upper head, lower head, cylinder, several heat exchange tubes, the upper end surface of cylinder and the upper head form cavity I between, the lower end surface of cylinder and the lower head form cavity II between, cavity I, cavity II and the inner cavity of cylinder are not communicated with each other between, heat exchange tube is fixed in the inside of cylinder by tube sheet, the upper end of heat exchange tube is placed in cavity I and is communicated with cavity I, lower end and cavity II are communicated, cylinder includes lift section cylinder and hot exciting section cylinder, heat exchange tube includes lift section heat exchange tube and hot exciting section heat exchange tube, lift section heat exchange tube and hot exciting section heat exchange tube are communicated by throttling component between, the inner diameter of throttling component is less than the inner diameter of hot exciting section heat exchange tube.The heat exchanger of the present application is provided with a kind of hot exciting flash evaporation loop lift, will hot exciting pressurization energy storage, throttling flash evaporation kinetic energy release, loop lift heat exchange and vapor-liquid separation function integration in same equipment, solve the problem of traditional lift section heat exchanger dependence big temperature difference.

The invention discloses an intelligent automatic control rotary evaporator, and belongs to the technical field of chemical instruments. An intelligent automatic control rotary evaporator comprises a bottom box and a heating pot, a rotary machine head is installed on the bottom box, a condenser and an evaporation bottle are installed on the rotary machine head, and the lower end of the condenser is connected with a collection bottle; precise adjustment of the height and the inclination angle of the evaporation bottle is achieved through the electric telescopic rod and the rotating shaft, and the assembly and disassembly process of components is simplified through the bottle retreating locking nut, the condensation installation nut and other structures; heating temperature control automation is realized by combining a temperature sensor and a control box, and constant-speed rotation of the evaporating flask is ensured through motor driving; the stability of the condenser is enhanced by means of a first adjusting rod and a fixing sleeve, and material adding in a vacuum environment is achieved by integrating a deflation charging valve and a vacuum extraction opening; the control box integrates a multi-module control function, supports the replacement of parts of different specifications, remarkably improves the adjustment convenience, operation efficiency, temperature control precision and experiment adaptability of equipment, and is high in automation degree.

The utility model discloses a production line for preparing manganese sulfate from zinc smelting manganese-containing slag, the production line for preparing manganese sulfate from zinc smelting manganese-containing slag comprises an autoclave evaporator and at least one reaction tank, the autoclave is provided with a gas inlet and a gas outlet opposite to the gas inlet, the autoclave is suitable for accommodating a zinc anode slime mixture, the gas inlet is suitable for introducing reducing gas, and the gas outlet is suitable for introducing reducing gas; carrying out reduction leaching reaction with a zinc anode mud mixture; the reaction tank is positioned at the downstream of the high-pressure kettle and is used for performing impurity removal treatment on a solution flowing into the reaction tank; and the evaporator is positioned at the downstream of the reaction tank and is suitable for evaporating, crystallizing and drying the solution flowing into the evaporator. Therefore, through the cooperation of the autoclave, the reaction tank and the evaporator, a continuous production line for reduction leaching, purification and impurity removal, evaporative crystallization and drying is formed, the high value of manganese ions and the recycling of the zinc smelting manganese-containing slag can be optimized, the technological process and the production cost can be saved, and the production line is high in applicability and universality, environmentally friendly and capable of saving energy.

The utility model belongs to the field of wastewater treatment, in particular relates to multi-effect evaporative crystallization wastewater treatment and recovery equipment, and provides the following scheme aiming at the problems that the contact time with steam is difficult to adjust according to wastewater with different concentrations and the concentration process of the wastewater is inconvenient to manage more effectively in the multi-effect evaporative crystallization wastewater treatment and recovery equipment in the prior art. The device comprises a plurality of evaporators, each evaporator comprises a tank body, a liquid inlet end and an air inlet end are arranged on one side of the outer wall of each tank body, a liquid conveying end is arranged at the bottom end of each tank body, and an air outlet end is arranged on the other side of the outer wall of each tank body; the multiple sets of threaded pipes are used for prolonging the contact time of the wastewater and steam, water is gradually evaporated to form steam, solute is gradually concentrated, the steam and the concentrated wastewater enter the next evaporator, harmful substances in the wastewater are effectively separated out in the evaporation and crystallization process, and pollution to the environment is reduced.

The invention belongs to the technical field of impurity separation, and particularly discloses a method for separating and purifying impurities in a process for preparing glyoxylic acid through oxalic acid electrolysis, a crystallization kettle is included, an isolation device is arranged in the crystallization kettle, and the isolation device comprises a conical top cover, a conveying pipe, an annular filter screen, a directional conveying assembly and a sealing assembly; the conical top cover is arranged at the axis of the crystallization kettle, an opening of the conical top cover faces downwards, and a plurality of fixing rods are fixedly connected between the top of the conical top cover and the inner wall of the side face of the crystallization kettle. According to the method, glyoxylic acid product solutions with different concentration specifications and the high-purity glyoxylic acid crystal can be obtained after the electrolyte is sequentially subjected to pre-evaporation, electrodialysis, secondary evaporation, cooling crystallization, solid-liquid separation, washing and drying and other procedures, so that the prepared high-purity glyoxylic acid crystal can be popularized and applied in the field of high-end medicine.