6010results 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 invention relates to a water homogenizer for a falling film evaporation device, and belongs to the technical field of wastewater treatment.The water homogenizer for the falling film evaporation device comprises a distribution part and a water homogenizing part which are arranged in the film evaporation device, the distribution part is located above the water homogenizing part, the distribution part is communicated with a liquid inlet pipeline in the falling film evaporation device, and the water homogenizing part is located above the distribution part. The water uniformizing piece comprises a plurality of water uniformizing strips, the water uniformizing strips are sequentially arranged in the horizontal direction, the adjacent water uniformizing strips are used for clamping the upper end of a thin film, a plurality of water uniformizing holes are formed in the water uniformizing strips, and the distributing piece is used for guiding feed liquid to the water uniformizing strips. The device has the advantages that feed liquid uniformly flows along the outer wall of each thin film, and the water homogenizing effect is improved.

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 relates to the technical field of high-level liquid waste evaporation in nucleation post-treatment and nucleation glass curing, in particular to a liquid waste evaporation end point automatic judgment method and a liquid waste evaporation control method and device. The method comprises the following steps: acquiring waste liquid parameters of an evaporation system before evaporation and target parameters of waste liquid in a kettle type evaporator after evaporation; determining the target liquid level in the stock solution tank after evaporation according to the mass of the standard substance before evaporation calculated according to the waste liquid parameters, the target parameters of the waste liquid and the mass conservation of the standard substance before and after evaporation; according to the method, the mass of the standard substance of the waste liquid in the evaporation process is analyzed, and the evaporation end point is determined through mass conservation of the standard substance before and after evaporation, so that the evaporation end point can be automatically determined by analyzing the parameters of the waste liquid in the evaporation system, and the efficiency of the evaporation system is improved. Meanwhile, the evaporation end point is determined based on mass analysis and calculation of the target substance, so that the determination of the evaporation end point is more accurate.

The invention discloses a BOE waste liquid treatment method and device. The method comprises the following steps: replacing hydrogen fluoride in BOE waste liquid with sulfuric acid, evaporating, fractionating and recovering hydrofluoric acid, neutralizing evaporated residual liquid with ammonia to obtain a fluorine-containing ammonium sulfate solution, defluorinating with fluorgypsum slurry to obtain a low-fluorine ammonium sulfate solution, and concentrating and crystallizing to obtain an ammonium sulfate product. The BOE waste liquid is treated by adopting the scheme, the bottleneck of the market capacity of ammonium bifluoride is avoided, the hydrofluoric acid product and the ammonium sulfate product with huge market capacity are produced, the value orientation of turning waste into wealth, circular economy and environmental protection is really realized, and the method is suitable for industrial popularization and application.

The utility model relates to the technical field of medicine production and concentration, and discloses a concentration device for medicine production, which comprises a concentration barrel, a gear ring is rotatably connected to the upper side in the concentration barrel, a rotating ring is rotatably connected to the lower side in the concentration barrel, and a second scraper is fixedly connected to the bottom of the rotating ring. A first scraping plate is arranged in the concentration barrel, a stirring rod is fixedly connected to the side face of the first scraping plate, a motor is mounted at the top of the concentration barrel, and a gear is mounted at the bottom of the motor. Through rotation of the motor, the gear rotates, the gear ring rotates, the gear ring, the first scraping plate, the rotating ring, the second scraping plate and the first scraping plate are integrated and rotate together, when the first scraping plate rotates, the stirring rod rotates along with the first scraping plate to stir medicine, and when the first scraping plate rotates, residual medicine on the side face of the inner wall is scraped down. And the second scraping plate scrapes off residual medicine at the bottom of the inner wall when rotating, so that residues are avoided.

The invention belongs to the technical field of dioxane separation, and mainly relates to a separation device for dioxane, the separation device comprises a heating sleeve, an evaporation sleeve, a central shaft and a driving part, the central shaft is provided with a blanking plate, an adjusting plate and a scraper assembly; the circumferential edge of the discharging plate is connected with the evaporation sleeve, a plurality of discharging holes are formed in the position, close to the circumferential edge of the discharging plate, of the discharging plate, and adjusting holes are formed in the adjusting plate. The scraper assembly comprises a central sleeve and a plurality of material scrapers, and a plurality of circumferential tension springs are arranged between the central sleeve and the central shaft; a transmission structure is arranged between the central sleeve and the adjusting plate, the size of an overlapped area of the discharging hole and the adjusting hole can be automatically adjusted according to the size of resistance borne by the material scraping plate, it is guaranteed that the amount of materials entering the evaporation sleeve in unit time is matched with the resistance borne by the material scraping plate, and it is guaranteed that a material film on the inner wall of the evaporation sleeve is evenly distributed; the separation effect of the dioxane is 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 belongs to the field of high-molecular polymer equipment, and particularly relates to a polyacrylonitrile slurry demonomerisation device and a demonomerisation method. Comprising an acetonitrile separation unit, a transpiration PAN capture unit and a slurry discharge unit, the acetonitrile separation unit comprises a main body tank and multiple groups of first tower plates, the multiple groups of first tower plates are arranged in the main body tank in a staggered manner, and the main body tank is provided with a slurry inlet pipeline, a steam inlet pipeline, a vacuumizing pipeline and a temperature control jacket; through combined arrangement of the inclined baffle and the horizontal segmental plate with the exhaust holes, fluid area spreading of slurry is achieved, and meanwhile separation of residual AN monomers in the slurry is achieved through combination of reverse steam introduction and slurry fluid spreading. A plurality of groups of staggered tower plates with segment structures are arranged in the upper auxiliary tank and are matched with a water mist spraying device, so that a small amount of transpiration PAN in slurry is captured and dissolved, and the demonomerisation device can be conveniently disassembled, assembled and maintained.

The utility model discloses a multi-pass falling film evaporator. An upper port of a barrel is hinged with an upper tube box, and the lower end of the barrel is connected with a lower tube box; a plurality of heat exchange tubes are connected between an upper tube plate and a lower tube plate of the barrel; a plurality of liquid distribution discs which are isolated from one another and integrally spliced into a circle are arranged above the upper tube plate, and liquid distribution holes of each liquid distribution disc are distributed in the periphery of a tube opening of each heat exchange tube below in a regular triangle shape; a plurality of tube pass material inlet tubes are inserted into the dome of the upper tube box, and the lower ends of the tube pass material inlet tubes point to the centers of the corresponding liquid distribution discs respectively; the bottom of the lower tube box is divided into a plurality of liquid collection spaces by partition plates, each pass liquid collection space corresponds to each pass liquid distribution disc, and the lowest part of each pass liquid collection space is connected with a tube pass material outlet tube; an expanding section is arranged on the upper portion of the barrel, a shell pass steam inlet is formed in the circumference of the expanding section, a condensate water outlet is formed in the side wall of the lower portion of the barrel, and a secondary steam outlet is formed in the side wall of the middle section of the lower tube box. The evaporator is small in occupied area, convenient to overhaul, convenient to adjust and good in evaporation quality of thermosensitive media.

The utility model relates to the technical field of falling film evaporation and concentration, in particular to a novel efficient anti-blocking falling film evaporator. Comprising an evaporator shell and a heat exchange mechanism, a material channel and a steam channel are arranged on the evaporator shell, the heat exchange mechanism is a heat exchange pipe, the heat exchange pipe is arranged in the evaporator shell, and a spiral angle is preset on the heat exchange pipe. According to the novel efficient anti-blocking falling film evaporator, the heat exchange pipes are efficient heat exchange pipes, the spiral angle structures on the surfaces of the heat exchange pipes enable the flowing direction of a liquid film to be repeatedly changed to cause sufficient heat exchange between the interiors of the liquid film, meanwhile, the thickness of the liquid film is more uniform, and the formed spiral shearing effect can reduce the viscosity of materials; liquid film turbulent flow is generated at a low flow rate, scabbing in the pipe is effectively prevented, the spiral angle on the surface of the pipe can increase the flow distance of the slurry, and the flow heat exchange time is prolonged under the condition that the flow rate is not changed, so that the evaporation concentration efficiency is higher.

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 utility model discloses a vertical evaporation system and a vertical heat pump vacuum evaporator. The system comprises a stock solution evaporator, an evaporation heat exchanger and a condensation heat exchanger, wherein the evaporation heat exchanger is arranged on the outer side of the lower part of the stock solution evaporator; a discharge port is formed in the bottom of the stock solution evaporator, and the rotating shaft is driven by the driving motor to rotate and drive the spiral blade at the discharge port to rotate; a flat heat exchange surface is arranged at the lower part of the stock solution evaporator and is used for exchanging heat with the evaporation heat exchanger; a scraping plate capable of scraping the heat exchange surface is tightly attached to the heat exchange surface; the condensation heat exchanger is arranged in the stock solution evaporator and located on the upper portion of the stock solution evaporator. By adopting the scheme, not only can the heat exchange surface of the stock solution evaporator be scraped and cleaned through the scraping plate, but also the problems of accumulation and discharge of concentrates are synchronously solved through the spiral blade at the discharge outlet at the bottom, and dirt deposition or salt hardening caused by accumulation of the concentrates at the bottom of the stock solution evaporator is avoided.

The present application provides a citric acid evaporation concentration crystallization device and method, including a feed tank, a condensed water heat exchanger, a fresh steam heat exchanger, a first-effect evaporator, a first-effect separator, a second-effect evaporator, a second-effect separator, a third-effect evaporator, a third-effect separator, an intermediate storage tank, an FC crystallizer, a crystallization heat exchanger, a centrifuge and a mother liquid tank connected in sequence through pipelines, the feed port of the feed tank is connected to the workshop storage system; the steam outlet of the first-effect evaporator and the steam outlet of the first-effect separator are connected to the steam ejector; the FC crystallizer and the crystallization heat exchanger are connected through pipelines to form a circulating evaporation crystallization system. The system of the device operates in a negative pressure system, using steam ejection technology, multi-effect evaporation technology, and MVR evaporation technology, reducing the operating energy consumption to 22% of the original system, the system operates stably, has high thermal efficiency, and the crystal content of crystals below 200 mesh precipitated by the crystallization system is increased by more than 30%.

The invention relates to the technical field of spray drying equipment, and discloses centrifugal spray drying equipment and a ceramic spray granulation drying method.The centrifugal spray drying equipment comprises a device body, an electric cabinet, an air heater and a spray drying bin, the spray drying bin is installed in the device body, and the electric cabinet and the air heater are fixedly installed at the top of the device body; a heating mechanism and an upwind mechanism are installed in the spray drying bin, and a discharging pipe is fixedly connected to the bottom of the spray drying bin. In the slurry particle heating and drying process, the interior of the spray drying bin can be heated at different temperatures in a sectional mode through the multiple air opening connecting rings, and in the slurry particle descending process, the ascending mechanism can adjust the descending speed and position of slurry particles; by means of sectional type heating, the heating time and heating uniformity of slurry particles are guaranteed, the problem that ceramic particles are broken due to the fact that the heating temperature is too high and heating is not uniform can be effectively solved, and therefore the production quality of the ceramic particles is remarkably improved.

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 invention provides a fluopicolide preparation method and a fluopicolide preparation device, and relates to the technical field of pesticide bactericide production. A first feeding pipe and a second feeding pipe are mounted at the left end of the first reaction tank, and the right end of the first reaction tank is connected with a second reaction tank through a first discharging pipe; raw materials participating in the reaction are cheap and easy to obtain, the product quality and yield stability are high, the reaction conditions are mild, and the device and the preparation method are suitable for large-scale production in workshops; when the device discharges, powder adhered to the inner wall of the drying tank is automatically scraped and cleaned, so that the device has better cleaning and using effects and better maintenance efficiency; the problems that multiple chemical substances need to be introduced to participate in the reaction, the reaction process is complex, later impurity removal and purification are not facilitated, the production cost is relatively high, the reaction speed is slow, the reaction effect is poor, and the device and the preparation method are not suitable for large-scale production in workshops are solved.

The invention discloses intelligent liquid distribution equipment for a falling film evaporator and a use method of the intelligent liquid distribution equipment. The intelligent liquid distribution equipment comprises a shell as well as a feeding pipe, a primary liquid distribution unit, a pressurizing unit, an intelligent liquid distribution and distribution unit, a tube nest and a discharging pipe which are sequentially arranged in the shell from top to bottom, the feeding pipe is connected with the primary liquid distribution unit, the primary liquid distribution unit is connected with the pressurizing unit, the pressurizing unit is connected with the intelligent liquid distribution and distribution unit, the intelligent liquid distribution and distribution unit distributes liquid to the tube nest, and the tube nest is connected with the discharging pipe. By utilizing the liquid distributor, the film can be uniformly distributed no matter whether the liquid from the liquid distributor is stable or not, then the liquid distribution flow can be intelligently adjusted, steam can be effectively utilized for preheating, and meanwhile, non-uniform film distribution caused by steam influence is avoided.

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.