2211results 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 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 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 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 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 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 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 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.

The utility model provides a device suitable for preparing lithium sulfide by a continuous double decomposition method. The device mainly comprises a material stirring reaction kettle, a solvent storage tank, continuous solid-liquid separation equipment, continuous solvent evaporation equipment, a first condensing tower and continuous dynamic vacuum calcination equipment, the device disclosed by the utility model can smoothly realize continuous production and preparation of lithium sulfide, and is simple in operation process and free from harmful gas pollution; in the preparation process, a single solvent is used and the solvent is recycled, so that the preparation method has the advantages of energy conservation and low cost, and cross contamination of multiple solvents is avoided; in addition, during continuous production of lithium sulfide, only one-time high-temperature calcination operation is carried out, and a lithium sulfide product with high purity and small particle size is successfully prepared; the composite cathode material can be directly used for preparing a sulfide solid electrolyte and a lithium-sulfur battery. The method has high industrial application value.

The utility model relates to the technical field of hydrochloric acid desorption, in particular to a hydrochloric acid desorption device which comprises a hydrochloric acid desorption tower, and the top of the hydrochloric acid desorption tower is sequentially communicated with a primary condensing device, a secondary condensing device, a freezing device, a demister and a hydrogen chloride buffer tank; one side wall of the hydrochloric acid desorption tower is communicated with a hydrochloric acid storage tank; the side wall of the hydrochloric acid desorption tower is also communicated with a calcium chloride solution storage tank; a bottom liquid outlet of the hydrochloric acid desorption tower is communicated with a first inlet of the thermosyphon reboiler, the thermosyphon reboiler is provided with a first outlet and a second outlet, the first outlet is communicated with a liquid inlet of the hydrochloric acid desorption tower, and the second outlet is sequentially communicated with the multi-effect evaporation device and the flash separation tank; and the flash separation tank is respectively communicated with a calcium chloride solution storage tank and a second inlet of the thermosyphon type reboiler. According to the utility model, the equipment investment is reduced, the concentration efficiency of the calcium chloride solution is improved, the energy consumption is reduced, and calcium chloride is prevented from flowing back into the desorption tower to cause blockage.

The demister cleaning device comprises a first-effect evaporation module, a second-effect evaporation module, a third-effect evaporation module and a feeding pipe, the first-effect evaporation module, the second-effect evaporation module and the third-effect evaporation module are sequentially connected through the feeding pipe, and a third-effect demister in the third-effect evaporation module is connected to a condenser and a centrifugal water vapor compressor through a three-way pipe. The centrifugal water vapor compressor is connected into a first-effect heater in the first-effect evaporation module through a pipeline; a bypass valve is connected to the pipeline between the condenser and the first-effect heater and connected with the centrifugal water vapor compressor in parallel. A top inlet of the triple-effect demister is connected with a high-pressure water inlet pipe. Secondary steam generated by triple effect is recycled instead of directly entering the condenser to be condensed, the recycled secondary steam enters the centrifugal steam compressor to pressurize the triple effect secondary steam, and the triple effect secondary steam is supplied to the first-effect heater to be used for heating materials to replace original live steam, so that the purposes of saving energy and reducing consumption are achieved.

The invention discloses a coal-to-methanol conversion treatment system and a coal-to-methanol conversion treatment simulation method. The coal-to-methanol conversion treatment system comprises a gas separator, a conversion furnace, a first water separation device, a stripping tower and a second water separation device. Water gas of a gasification section enters a gas separator, and a gas phase discharged from a gas outlet of the gas separator is divided into a first gas phase and a second gas phase through a flow divider; the inlet of the conversion furnace is connected with the flow divider so that the first gas phase flows into the conversion furnace; the first water separation device is used for performing multi-stage separation on the mixed gas; steam entering the stripping tower from the steam inlet is in contact with condensate entering the stripping tower from the first water separation device; and the second water separation device is connected with the gas outlet of the stripping tower to separate the vent gas and the wastewater. Water gas can be effectively treated, so that the energy consumption of the system is reduced, the water-saving and environment-friendly effects are achieved, and the purposes of improving quality and efficiency can be achieved.

The invention discloses a vibration plate type anti-scaling MVR evaporator, and relates to the technical field of MVR evaporators. Comprising a compressor, a heater, a separator, a circulating pump and a heat exchanger which are connected with one another, the side end face of the heat exchanger fixedly communicates with a cold side inlet pipe and a hot side inlet pipe, the cold side inlet pipe is located on one side of the hot side inlet pipe, and an L-shaped fixed plate is fixedly installed on the side end face of the heat exchanger and located on the outer side of the cold side inlet pipe; an intercepting assembly is arranged on the L-shaped fixed plate; a mounting fixed plate and a stabilizing transverse plate are fixedly mounted on the heat exchanger, an auxiliary assembly is arranged on the mounting fixed plate and the stabilizing transverse plate, and a vibration transmission plate is arranged on the auxiliary assembly. Through cooperative use of the interception assembly and the auxiliary assembly, the anti-scaling capacity of the MVR evaporator is effectively improved, the heat exchange efficiency is improved, the service life of equipment is prolonged, energy consumption is reduced, and the use effect of the MVR evaporator is greatly improved.

The present application relates to the field of semiconductor manufacturing, and specifically to a component separation device, and a liquid recovery apparatus and method. The component separation device comprises a heater, a distillation chamber, a condenser, a light component collection tank and a heavy component collection tank. The heater is configured to heat a waste liquid, such that the waste liquid is heated to evaporate, light components therein volatilize onto a surface of the condenser and flow into the light component collection tank after condensation, heavy components therein flow into the heavy component collection tank from a surface of the heater, and a distance between the condenser and the heater is greater than an average molecular motion path L1 of the heavy components and less than an average molecular motion path L2 of the light components. The waste liquid is heated to evaporate, such that the heavy components and the light components in the waste liquid are effectively separated, thereby effectively recycling the waste liquid.

The utility model discloses anti-scaling evaporative crystallization equipment, and relates to the technical field of anti-scaling evaporative crystallization equipment, the anti-scaling evaporative crystallization equipment comprises a tank body, the top of the tank body is rotatably connected with a stirring shaft, the top of the stirring shaft is connected with the output end of a first motor, the first motor is arranged at the top of the tank body, and a plurality of first scrapers are movably connected in the tank body. The first motor is started to drive the stirring shaft to rotate, so that the first scraping plate is attached to the inner wall of equipment under the action of centrifugal force, crystalline solids on the inner wall of the equipment are scraped off, and meanwhile, the first motor can be closed to start the multi-section telescopic rod to drive the second scraping plate to move; according to the cleaning device, the first scraper blade and the second scraper blade are arranged, the second scraper blade scrapes crystalline solids on the inner wall of the device again, the spray head can spray out cleaning liquid in the cavity, the crystalline solids adhering to the inner wall of the device are washed and cleaned, the crystalline solids on the inner wall of the device can be repeatedly scraped and cleaned through the structure, and scaling caused by accumulation of the crystalline solids is avoided; therefore, the working efficiency can be improved.

The invention relates to the technical field of polysaccharide extraction, in particular to microalgae polysaccharide extraction equipment based on enzymolysis and membrane filtration. The device comprises a concentration tank, a rotating rod is connected into the concentration tank through a motor, the outer wall of the rotating rod is movably sleeved with a floating plate, a plurality of sliding grooves are formed in the outer wall of the rotating rod, and a plurality of sliding assemblies are arranged in the sliding grooves; the floating plate is located at the tops of the multiple sliding assemblies, the floating plate and the sliding assemblies slide on the outer wall of the rotating rod, a floating foam assembly is arranged on the outer wall of the floating plate, and disturbance assemblies are arranged among the outer walls of the multiple sliding assemblies and located below the floating foam assembly. The floating plate is adaptively lifted along with the liquid level to drive the floating foam assembly to be always close to the liquid level and intercept foams generated by evaporation, so that polysaccharide liquid drops carried in the foams flow back to a solution, and the polysaccharide loss is reduced; when the floating plate descends, the disturbance assembly is synchronously pushed to move downwards, it is ensured that the disturbance assembly is always immersed in the solution, and it is avoided that air is involved in the solution to generate new foam.

The invention relates to the technical field of film pasting agent preparation, and discloses a 3T film pasting agent preparation device for drilling fluid and a preparation method.The 3T film pasting agent preparation device comprises a drying box, a flow injection pipe is arranged on the upper portion of the drying box, an inner cylinder is arranged in the drying box, an atomization nozzle is arranged at the end, stretching into the inner cylinder, of the flow injection pipe, and a grinding assembly is arranged on the lower portion of the inner cylinder; a vibration assembly is arranged outside the grinding assembly, the upper portion of the base is rotationally connected with a hollow cylinder, shaft rods are distributed on the periphery of the hollow cylinder in an annular array mode, and grinding wheels are distributed on the outer surfaces of the shaft rods in a linear array mode in the vertical axis direction of the shaft rods. The rolling wheel on the outer surface of the shaft rod is used for rolling the granular 3T film pasting agent in the sliding process in the groove, and meanwhile, the shaft rod is matched with rotation, so that the rolling effect of the rolling wheel on the 3T film pasting agent is improved, the granular 3T film pasting agent is eliminated, it is guaranteed that the 3T film pasting agent becomes powder to be stored, and the situation that the interior of the 3T film pasting agent is not thoroughly dried due to the granular state is avoided.

The invention discloses a waste sulfuric acid treatment method and device, the device comprises a sintered filter element filter, a fine filtration coalescer, an adsorption tank and a membrane separator which are connected in sequence, and the fine filtration coalescer adopts a ceramic membrane tube or a polytetrafluoroethylene membrane tube or a silicon carbide lining membrane tube as a filter material; an adsorption material in the adsorption tank is one or a combined adsorption material of more than two of activated carbon, a modified molecular sieve, a metal organic framework material and a nano adsorption material; and the membrane separation system adopts one or a combined membrane of more than two of an ultrafiltration membrane, a reverse osmosis membrane and an electrodialysis membrane. The alkylation waste acid regeneration process can be simplified, the occupied area of the device is saved, the engineering investment is reduced, and the operation cost is greatly reduced compared with that of an existing process technology; according to the method, a physical separation means is adopted, organic polymeric oil, dissolved organic matters, dissolved salts and other impurities in the alkylated waste sulfuric acid can be effectively removed without decomposing and reconstructing the waste sulfuric acid, and the concentrated sulfuric acid after concentration completely meets the production requirements of an alkylation device.

The invention relates to the technical field of honey processing, in particular to a vacuum concentrator for honey processing, which comprises a concentration tank, a cover, an inner wall scraping mechanism, a stirring mechanism, a collecting plate and a bottom scraping mechanism, the cover is arranged at the top of the concentration tank; the inner wall scraping mechanism is arranged on the inner wall of the concentration tank and is used for scraping honey on the inner wall of the concentration tank; the stirring mechanism is arranged in the concentration tank and is used for stirring honey in the concentration tank; the inner wall of the concentration tank can be scraped, honey is prevented from being attached to the inner wall of the concentration tank, cleaning is not affected, meanwhile, a scraping sleeve connected with a second connecting rod is used for scraping a rotating shaft and stirring blades, the purpose of further scraping is achieved, attached honey is cleaned away, and the concentration tank is convenient to use. Therefore, the use space of the inner wall is increased.

The utility model relates to an ammonium phosphate evaporation and concentration system and belongs to the field of chemical engineering. The system comprises a concentrated ammonium phosphate pump, a concentrated ammonium phosphate storage tank, an I-effect evaporation chamber, an I-effect heater, an I-effect circulating pump, an I-effect charging pump, an II-effect evaporation chamber, an II-effect heater, an II-effect circulating pump, an II-effect charging pump, an III-effect evaporation chamber, an III-effect heater and an III-effect circulating pump. By adopting the system and the method, low-pressure saturated live steam is utilized to indirectly heat dilute ammonium phosphate to generate secondary steam and tertiary steam to continuously heat the dilute ammonium phosphate to produce concentrated ammonium phosphate. Compared with a two-effect evaporation concentration process flow which is widely used at present, the three-effect countercurrent evaporation concentration process flow saves energy by 47%. The utility model aims at saving energy, reducing consumption, reducing carbon emission of a production device and protecting the environment.

The invention discloses a crystallization device for sodium sarcosinate production, relates to the technical field of crystallization devices, and aims to solve the problems that when supersaturated liquid drops make contact with the wall surface of a low-temperature gas-liquid separator, water evaporation is intensified, the solubility of solute is further reduced due to temperature reduction, crystal precipitation is accelerated under the dual action, the supersaturated liquid drops are prone to being attached to the wall of a tank in the crystallization process, and the crystallization effect is poor. In order to solve the problems that the heat exchange efficiency is influenced by scaling of a tank wall, wall-adhered crystals cannot be recycled and the yield is reduced in the prior art, an evaporator is mounted on one side of a gas-liquid separator, a cyclone separator is mounted on the other side of the gas-liquid separator, an ultrasonic disperser is mounted on one side of the cyclone separator, a membrane filter is mounted on one side of the ultrasonic disperser, and a water outlet is formed in the other side of the membrane filter. A gas-liquid separator cleaning mechanism is mounted in the gas-liquid separator, a gas-liquid separator scraping frame is mounted at one end of the gas-liquid separator cleaning mechanism, and a membrane filter cleaning mechanism is mounted in the membrane filter.

The invention relates to the technical field of polymer volatile component removal, and particularly discloses a polymer volatile component removal device which comprises a barrel, a feed liquid distribution cavity formed in the top of the barrel, a mounting shaft arranged in the axial direction of the barrel and a scraper blade. A plurality of feeding holes communicated with the interior of the barrel are uniformly formed in the circumferential direction of the feed liquid distribution cavity, a plugging ring is rotationally arranged in the feed liquid distribution cavity, plugging holes matched with the feeding holes are formed in the plugging ring, the interior of the mounting shaft is hollow, a driving shaft is coaxially arranged in the mounting shaft, and the driving shaft is in threaded connection with the mounting shaft; the driving shaft can lift and move in the axial direction when rotating; the driving shaft is connected with the plugging ring through a connecting mechanism, so that the driving shaft drives the plugging ring to rotate synchronously when rotating, and a plurality of hollow mounting rods are spirally arranged on the periphery of the mounting shaft; according to the invention, self-adaptive adjustment aiming at the viscosity characteristic of the polymer is realized, and the problem that the feeding viscosity is difficult to adapt to the scraper blade is solved.

The present application relates to the technical fields of traditional Chinese medicine extraction, and discloses a steam condenser for traditional Chinese medicine extraction, which comprises a spiral water cooling structure, a rotary linear motion structure and an elastic resistance type pressure reduction structure, a discharge port fixedly installed at a liquid discharge port and internally provided with a spiral spring with a basic same elastic strength as a low pressure strength in the working state of a concentration tank and a valve plate extruded by the spiral spring and in a closed state. The steam condenser for traditional Chinese medicine extraction can be connected with a low pressure type concentration tank, has a small influence range on the low pressure state in the concentration tank, can guarantee the normal evaporation and concentration function of the traditional Chinese medicine liquid in the concentration tank, can condense high temperature steam and can produce a suction type driving effect on the high temperature steam in the concentration tank, so that the high temperature steam can be condensed in time, the condensed liquid can flow back to the concentration tank to be evaporated and concentrated again, and the effective utilization rate of the liquid medicine is improved.

The invention discloses an intelligent control method for a traditional Chinese medicine concentration process, and relates to the technical field of traditional Chinese medicine production and processing. Gas-phase and liquid-phase multi-dimensional data in the whole traditional Chinese medicine concentration process are synchronously acquired and structurally processed, and the activity degree of volatile gas behaviors and the volatilization trend of aromatic substances are quantitatively analyzed; according to the method, heat-sensitive aromatic components can be effectively reserved, meanwhile, component proportion imbalance caused by premature or delayed release is avoided, the drug effect consistency of a finished product is improved, a comprehensive convergence score SCF is introduced, end point judgment better conforms to the actual concentration state change, the batch-to-batch difference is reduced, and meanwhile, the product quality is improved. Early warning and operation adjustment can be automatically triggered when a liquid medicine concentration system does not reach a stable convergence state, so that excessive heating or insufficient concentration is avoided, and the intelligence, refinement and self-adaptive capabilities of a traditional Chinese medicine concentration process are integrally improved.

A hydrocarbon cleaning agent recovery and industrial wastewater reduction device belongs to the technical field of evaporation and concentration and comprises a distillation kettle, an evaporator, a first partition plate heat exchanger, a second partition plate heat exchanger, a cleaning agent liquid storage tank and a distilled water liquid storage tank. The distillation still is connected with the first partition plate heat exchanger and the second partition plate heat exchanger through the evaporator, the first partition plate heat exchanger is connected with the cleaning agent storage tank, the second partition plate heat exchanger is connected with the distilled water storage tank, the first partition plate heat exchanger is connected with the distillation still, and the second partition plate heat exchanger is connected with the evaporator. The equipment can simultaneously treat waste cleaning agents and waste water, does not need a cooling-water machine of traditional recovery equipment and a core component compressor of an evaporator, greatly saves equipment cost, and greatly reduces waste liquid treatment cost.

The invention belongs to the technical field of drying equipment, and particularly relates to drying equipment and a working method thereof.The drying equipment is characterized in that a cutter in a foam crushing mechanism rotates around a vertical shaft so as to crush foam generated by fish collagen peptide deposited in an inner cavity; a cutter in the foam crushing mechanism rotates around a transverse shaft so as to separate fish collagen peptide on the cutter; the problem that in the process of drying the fish collagen peptide solution, generated foam expands to the limit and is broken, so that the vacuum degree fluctuates can be solved, meanwhile, the foam breaking mechanism rotates while revolving, and the fish collagen peptide solution bonded to the cutter is thrown away under the action of centrifugal force in two different directions; the situation that due to local high temperature of the surface of the cutter, fish collagen peptide adhering to the cutter is crystallized is avoided, nitrogen is supplemented into the inner cavity, and even if a fish collagen peptide solution is decomposed to generate oxygen, it can be guaranteed that the oxygen concentration in the inner cavity is kept at the low level.

The invention relates to the technical field of nitrogen-potassium fertilizer production, in particular to an evaporation device and an evaporation method for nitrogen-potassium fertilizer production. The evaporation device comprises an evaporation tank externally provided with a jacket layer, a stirring main shaft rotationally installed in the evaporation tank and provided with the top end extending to the position above the evaporation tank, and a driving mechanism arranged at the top of the evaporation tank and used for driving the stirring main shaft to rotate, a stirring mechanism is arranged on the stirring main shaft and located in the evaporation tank, and a hole cavity is formed in the stirring main shaft; a sliding groove communicated with the hole cavity is formed in the outer wall of the stirring main shaft; the stirring mechanism comprises a stirring plate and a stirring arm. The adjusting mechanism drives the two-way threaded rod to periodically rotate forwards and backwards, the stirring plate can be driven to reciprocate in the radial direction of the stirring main shaft, the stirring mechanism synchronously and circumferentially rotates along with the stirring main shaft, a dynamic variable-diameter mesh type stirring structure is formed, different radial areas in the evaporation tank are effectively covered, and the turbulence degree of feed liquid is enhanced; the uniform heating of the feed liquid is ensured, and the evaporation treatment efficiency in the nitrogen-potassium fertilizer production process is improved.

The application provides a multi-effect desalination system and relates to the technical field of multi-effect evaporation. The multi-effect desalination system can have two working conditions under the action of a first valve, a second valve and a third valve. The first working condition is that the third valve is closed, and the first valve and the second valve are opened. At this time, low-pressure steam discharged by a low-pressure steam generation device is directly introduced into a first-effect evaporator as heating steam. A second condenser can condense part of secondary steam generated by an mth-effect evaporator, so that the pressure in the first condenser and the second condenser is balanced, and the two can work under normal working conditions. The second working condition is that the second valve is opened, the first valve and the third valve are closed, and the second condenser stops working. Medium-pressure steam discharged from a medium-pressure steam generation device is introduced into the mth-effect evaporator to inject the secondary steam generated by the mth-effect evaporator through a steam heat compressor. After mixing, the medium-pressure steam is introduced into the first-effect evaporator as heating steam, so that the energy of the medium-pressure steam can be effectively utilized, and a higher water production ratio is obtained.

The utility model relates to a feed liquid drying machine which comprises a shell, the shell is arranged in an inclined mode, the two ends of the shell are a high end and a low end respectively, the upper portion of the shell is a roller cavity, the lower portion of the shell is an auger cavity, and the roller cavity and the auger cavity are communicated at the positions close to the high end and the low end. A jacket layer is arranged on the outer side of the lower part of the roller cavity, a heating disc group consisting of a plurality of heating discs is arranged on the inner side of the lower part of the roller cavity, each heating disc is in a hollow semicircular disc shape, and the bottom of each heating disc is communicated with the jacket layer; a main shaft is arranged in the roller cavity, a plurality of scrapers are arranged on the main shaft, and the scrapers are sequentially arranged between the adjacent heating discs; a packing auger is arranged in the packing auger cavity, and a discharging port is formed in the position, close to the high end, of the packing auger cavity. The utility model can realize deep dewatering and drying operation on various complex solutions, and has the advantages of large treatment capacity, high utilization rate of heat exchange area and uniform heating of feed liquid.

The utility model discloses a thin film evaporation device for removing dimethyl sulfide, which comprises a thin film evaporation container main body, the top of the thin film evaporation container main body is provided with a feed port, and the top of the right side of the thin film evaporation container main body is provided with a steam heating external connection pipe used for being externally connected with a steam heater; and a film mesh is arranged in the film evaporation container main body. According to the utility model, the dimethyl sulfide material is spread on the film mesh through the rotating scraper blade to form a film so as to promote evaporation, and the thickness of the film scraped by the scraper blade can be adjusted according to the viscosity of the material and the change of the raw material, so that the situation that the evaporation efficiency is influenced by the too thick or too thin dimethyl sulfide material in the prior art is avoided; and the structure is simple, and adjustment is convenient, so that the scraper blade can flexibly adjust the thickness of the film according to actual changes, the adaptability in evaporation use is improved, and the use requirement for accurate removal of dimethyl sulfide is greatly met.