43results about "Evaporators with horizontal tubes" patented technology

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.

A mixed gas that is composed of a component gas and a carrier gas is efficiently supplied with a compact device configuration. A mixed gas supply device (1A, 1B) includes: an evaporator (10) that heats a liquid component and the carrier gas to generate the mixed gas that is composed of the carrier gas and the component gas obtained by vaporizing the liquid component; and a cooler (30) that cools the mixed gas generated in the evaporator (10) and to supply a mixed gas that is composed of the carrier gas and the component gas whose supersaturated part is condensed and separated. The evaporator (10) includes a shell-and-tube-type heating mechanism. In a shell (11) of the evaporator (10), a carrier gas tube (16, 17) that has holes (16H, 17H) for bubbling of the carrier gas opened at multiple locations extends in the horizontal direction. A liquid component supply port (20) is provided at a lower portion of the shell (11) of the evaporator (10). A discharge port (23) that discharges the mixed gas that is composed of the carrier gas and the component gas obtained by vaporizing the liquid component is provided at an upper portion of the shell (11) of the evaporator (10). A lower portion of the cooler (30) is connected to the discharge port (23) of the evaporator (10) via a pipe (31).

The utility model discloses an evaporation and concentration system suitable for lithium sulfate purification, which is characterized in that an outlet of a raw material tank is sequentially connected with a cold side of a condensate water preheater and a cold side of a non-condensable steam preheater through an outlet of a feeding pump, and then is connected with a tube pass inlet of a heater together with an outlet pipeline of a material circulating pump; a tube pass outlet of the heater is connected with a material inlet of the integrated separator, and a material outlet of the separator is connected with an inlet of the material circulating pump; a secondary steam outlet of the integrated separator is connected with an inlet of a steam compressor through a scrubber tower, and a compressed steam pipe is connected with a shell pass steam inlet of a heater; a shell pass condensed water outlet of the heater is connected with an inlet of a condensed water tank; an outlet of the condensed water tank is connected with a hot side of the condensed water preheater through a condensed water pump; a shell pass extraction opening of the heater is connected with the hot side of the non-condensable steam preheater through a non-condensable gas conveying pipe, and a hot side outlet of the condenser is connected with a vacuumizing system. The system is high in evaporation efficiency and low in operation cost and equipment investment.

Techniques are described herein for using a high-pressure reactor to separate clean water from dirty water without filtration and to extract and concentrate contaminants from dirty water for use as a fuel. In particular, techniques and systems are described for separating water from hydrocarbon contaminates, other BTU-laden compounds, and dissolved minerals, while also boiling water and condensing the resulting steam into distilled water. In addition, system in which the described techniques are performed can be used as a high-pressure pump for moving the separated hydrocarbon contaminates forward into other processes, such as a high-pressure reactor or incinerator.

The utility model discloses a powder mixed liquid top-speed evaporation clash device based on supercritical gas clash technology, which comprises an evaporation clash tank, a conical gas cylinder, a stirring mechanism and a fixing mechanism, the stirring mechanism and the fixing mechanism are both mounted between the conical gas cylinder and the evaporation clash tank, and a lifting plate is slidably arranged on the inner wall of a limiting chute; belt wheels are rotationally connected to the inner walls of the two ends of the lifting plate, a belt strip is in transmission connection between the two belt wheels, a butt joint buckle is fixedly arranged at the bottom of a connecting shaft, and stirring blades are rotationally connected to the bottom of the inner wall of the mixed liquid container; according to the utility model, the butt-joint buckle ascends and descends to be clamped in the butt-joint hole of the stirring blade, the motor is started to enable the butt-joint buckle to drive the stirring blade to rotate, the evaporation of powder mixed liquid is accelerated, after the evaporation is finished, the butt-joint buckle ascends to be separated from the butt-joint hole through the electric telescopic rod, the mixed liquid container can be quickly taken out, and the extracted powder is collected, so that the problem that in the prior art, the extraction efficiency is high is solved. The speed of extracting the powder in the powder mixed liquid is slow and the powder is not easy to collect by an evaporation collision technology.

The invention relates to an evaporator-condenser-type heat exchanger comprising a plurality of zones, each zone comprising at least one extractor means configured to channel at least a portion of the primary vapor generated in said zone towards the outside of the heat exchanger. The heat exchanger includes a plurality of sub-assemblies consisting in part of a layer of a thermally conductive material.

The invention relates to the technical field of traditional Chinese medicine processing, in particular to a vacuum concentration tank for traditional Chinese medicine processing, which is characterized in that a control panel is fixedly mounted on one side of the vacuum concentration tank, a vacuumizing pipe is fixedly mounted at the top of the surface of the vacuum concentration tank, an inner groove is formed in the outer wall of the vacuum concentration tank, and a coil pipe is fixedly mounted on the inner wall of the inner groove; steam and heat in the vacuum concentration tank can be pumped into the guide pipe through the fan on the left side and then guided into the coil pipe through the guide pipe, and meanwhile, the steam and heat in the coil pipe can be pumped out through the fan on the right side, so that the gas flowing speed can be increased; therefore, steam and heat can circularly flow back and forth in the coil pipe, the heating effect in the vacuum concentration tank can be further improved, waste heat in the vacuum concentration tank can surround the inner wall in the vacuum concentration tank for comprehensive heating, the contact area of liquid medicine and heat can be increased, and the concentration efficiency can be improved.

The application discloses a high-efficiency magnesium nitrate denitration device, which is characterized by being provided with a magnesium nitrate solution buffer tank and an M-shaped baffle distribution plate, the M-shaped baffle distribution plate comprises a center plate, two wing return plates and end baffle plates, the center plate and the baffle plates are horizontally arranged and are each provided with a protruding cofferdam at an outer edge, the two wing return plates are provided with fluid holes and are arranged at an angle with the center plate and the baffle plates, the outer edges of the two wing return plates in the axial direction are also provided with cofferdams, and the axial ends of the two wing return plates are open; the buffer tank can effectively buffer the scouring impact force of heavy component magnesium nitrate due to height difference, meanwhile, the sawtooth structure at the upper end of the tank body can make the magnesium nitrate solution uniformly overflow to the M-shaped baffle distribution plate, so that the corrosion and scouring damage of the magnesium nitrate heater tube can be reduced from the source, and the service life of the heat exchange equipment is prolonged; and the M-shaped baffle distribution plate can prolong the flow and residence time of the solution on the M-shaped baffle distribution plate, so that the denitration effect is improved.

A process for separating a media mixture comprises the process steps: feeding the media mixture comprising a first medium and a second medium into a first heat exchanger section (5) of a separation apparatus (4), the first medium being hydrogen gas and the second medium being an at least partially vaporous hydrogen carrier medium; feeding a heat exchanger medium, which is a hydrogen carrier medium, into the first heat exchanger section (5) of the separation apparatus (4); transferring heat from the media mixture to the heat exchanger medium, thereby heating the heat exchanger medium; cooling the first medium and at least partially condensing the second medium; separating the condensed second medium from the first gaseous medium.

The utility model discloses a methanol waste heat vaporizer which comprises a heat exchange tank, the two sides of the bottom end of the heat exchange tank are fixedly connected with supports, one side of the heat exchange tank is provided with a right box pipe, the top end of the right box pipe is fixedly connected with an air inlet, the other side of the heat exchange tank is provided with a left box pipe, and the left box pipe is fixedly connected with an air outlet. The two ends of the left box pipe are fixedly connected with air outlets. According to the waste heat vaporizer, by arranging the right box pipe, the gas inlet, the flash tank, the communicating pipe, the gas outlet and the left box pipe, when waste gas is treated, high-temperature waste gas is guided in through the gas inlet, needed low-temperature liquid is guided into the heat exchange tank, and after the high-temperature waste gas exchanges heat with the low-temperature liquid, the liquid is evaporated and enters the flash tank through the communicating pipe to achieve flash evaporation; and after flash evaporation is completed, a pipeline arranged at the top end of the flash evaporation tank can be opened to rapidly collect gas, finally waste gas is guided into the left box pipe, the gas is exhausted through a gas outlet, and the problem that waste heat cannot be rapidly utilized is solved.

Embodiments of the invention provide systems and methods for water treatment and / or desalination.

The utility model discloses an evaporator which comprises a tube shell and a flow adjusting device. A pair of end covers are connected to the two ends of the tube shell, a spiral baffle plate is arranged in the tube shell, a plurality of evaporation tubes are inserted into the spiral baffle plate, connectors with the same number as the evaporation tubes are arranged at the two ends of the tube shell, the evaporation tubes are connected with the connectors, and flow guide tubes are connected to the ends, away from the evaporation tubes, of the connectors; the flow adjusting device is installed on the end cover opening and comprises a flow dividing body, a cold fluid inlet and outlet is fixed to the flow dividing body, a supporting frame is fixed in the cold fluid inlet and outlet, a center shaft is fixed to the supporting frame, a plurality of rotating shafts are rotationally arranged on the center shaft, and first bevel gears are fixed to the ends, penetrating through the cold fluid inlet and outlet, of the rotating shafts. The first bevel gears are meshed with second bevel gears. Through the relevant structural design, the contact time of a cooling medium and an evaporation medium is effectively prolonged, the flow speed is slowed down, and the cooling effect of the evaporator is improved.

The utility model relates to evaporator technical field especially for a kind of evaporator device applied to heat pump system, including evaporator shell, the both ends of evaporator shell are equipped with head, one of the head is equipped with heat medium inlet, the other head is equipped with heat medium outlet, the top of evaporator shell is equipped with refrigerant medium inlet, the bottom of evaporator shell is equipped with refrigerant medium outlet, refrigerant medium inlet and refrigerant medium outlet are about the vertical center line of evaporator shell symmetrical alternation distribution, the inside of evaporator shell is equipped with several heat exchange pipes, the both sides outside of heat exchange pipe is equipped with oil return mechanism. The device can pass through the mode of indirect heat exchange, so that heat medium flows in heat exchange pipe, and infiltrates in refrigerant medium, to reach the purpose of sufficient heat exchange, and lubricating oil can be recycled under the action of oil return mechanism, reduce lubricating oil accumulation in evaporator.

The utility model discloses a horizontal pipe evaporation concentrator, which comprises a separator, the separator comprises a hollow shell, a live steam inlet, a condensate water outlet, a material inlet, a concentrated solution outlet and a secondary steam outlet are arranged on the shell, a heater and a spraying assembly are arranged in the shell, the spraying assembly comprises a spraying pipe and a nozzle, the heater comprises a horizontal heating pipe, and the nozzle is arranged in the shell. The plurality of heating pipes are sequentially communicated to form a snakelike heating channel; a feeding pump and a circulating pump; and a condensation assembly. According to the horizontal pipe evaporation concentrator, the spraying assembly and the heater are concentrated in the separator, the compactness of the equipment structure is guaranteed, the occupied space is reduced, feed liquid is sprayed to the heating pipe into which live steam is introduced through the spraying assembly, so that the feed liquid flows down in a film shape under gravity, heat transfer is promoted, meanwhile, it is guaranteed that the feed liquid is heated stably and uniformly, and the efficiency is improved. Therefore, the heating effect is improved.

Disclosed herein is a low-pressure drop ethylbenzene evaporator, comprising a double-layer structure consisting of a heat exchange unit and a gas-liquid separation unit, the upper layer and the lower layer thereof being connected via an intermediate pipe. The top of the gas-liquid separation unit is provided with an exhaust pipe, and the bottom is provided with a separated liquid return pipe. The heat exchange unit comprises a housing side and a heat exchange pipe, the bottom of the housing side being provided with a liquid flow inlet, and a low-pressure vapor feed pipe being disposed on a side wall of the housing side, located below the heat exchange pipe and close to the position of the heat exchange pipe. In an energy saving process for ethylbenzene vaporization of the present application, a large amount of heat is recovered by means of a main cooler to generate a vapor at 6-32 kpaA, which is used for primary vapor distribution of the ethylbenzene vaporizer design of the present application after being pressurized by a compressor, and is used to replace supplemental 0.21 MPaG low-pressure vapor for a vapor pipe network of a related device, greatly reducing consumption of low-pressure steam in the reaction system, as well as decreasing the amount of circulating water used in the device. The process only consumes the power consumption of a compressor, and saves a large amount of low-pressure vapor and circulating water.

The invention provides an air suspension heat pump double-effect evaporation device and a working method thereof, which can solve the problem of low energy utilization rate in the existing low-temperature evaporation technology and can improve the stability of system operation, and the air suspension heat pump double-effect evaporation device comprises a first-effect evaporation unit, a second-effect evaporation unit, a third-effect evaporation unit and a fourth-effect evaporation unit, the second-effect evaporation unit comprises a second-effect separator and a second-effect forced circulation heat exchanger; the output end of the air suspension heat pump unit communicates with the inlet end of the coil pipe type heat exchanger, and the air suspension heat pump unit is used for conveying compressed high-temperature refrigerant gas to the coil pipe type heat exchanger. The first-effect separator and the second-effect separator are connected with a stock solution inlet system, a first-effect steam outlet of the first-effect separator is communicated with a heat source inlet of the second-effect forced circulation heat exchanger and used for heating to-be-evaporated feed liquid in the second-effect forced circulation heat exchanger, and a second-effect steam outlet of the second-effect separator is communicated with the input end of the air suspension heat pump unit and used for heating to-be-evaporated feed liquid in the second-effect forced circulation heat exchanger. The waste heat recovery device is used for recovering waste heat of second-effect steam generated by the second-effect separator.

A production apparatus of sucrose-6-ester is disclosed and includes a distillation separation tank, a reaction tank, and a condensated water collection tank, where the distillation separation tank is arranged above the reaction tank and the condensated water collection tank, and includes a shell and a heating-roller distillation device including a plurality of heating rollers arranged from top to bottom between front and rear side walls of the shell; two ends of the U-shaped plate are respectively fixed to bottoms of the front and rear side walls; a feed pipe is provided at a top of the shell, the condensated water outlet pipe is arranged at a bottom surface of the shell and is connected to the condensated water collection tank, and the liquid evaporation residue discharge pipe penetrates through the bottom surface of the shell, is connected to the U-shaped plate, and is connected to the reaction tank.

The application provides an evaporation crystallization device for fluorine-containing high-salinity wastewater and a process thereof, and relates to the technical field of high-salinity wastewater treatment. The evaporation crystallization device for fluorine-containing high-salinity wastewater comprises a support and an evaporation tank. A first material port for connecting a material stacking ring cavity and a material storage cavity is arranged on an inner cylinder. A second material port for connecting the material storage cavity and a material discharging cavity is arranged on a first baffle. A heating assembly contacts and heats the wastewater, so that the wastewater solvent is evaporated and discharged, and the wastewater solute gradually separates out to form crystals and moves to the material stacking ring cavity. The first material port is opened, and the second material port is closed. The crystals in the material stacking ring cavity enter the material storage cavity through the first material port. Then, the first material port is closed, and the second material port is opened. The crystals in the material storage cavity enter the material discharging cavity through the second material port. The crystals in the material discharging cavity are discharged through a first auger. The crystals separated out can be continuously discharged without stopping the machine, the negative pressure environment in the evaporation tank is avoided from being damaged, and the working efficiency is improved.

The utility model discloses an evaporation device for lithium carbonate solution concentration, which comprises an evaporation box and a positioning support for positioning the evaporation box, a concentration box communicated with an inner cavity of the evaporation box is mounted on the lower side of the evaporation box, a feeding pipe communicated with the inner cavity of the evaporation box is mounted at the top of the evaporation box, and a driving component is arranged in the middle of the bottom side of the concentration box. A stirring assembly is mounted on a driving shaft of the driving assembly and is positioned in the evaporation box and the concentration box. According to the evaporation device for concentration of the lithium carbonate solution, the solution is evaporated and concentrated in the mode that high-temperature steam makes indirect contact with the lithium carbonate solution, the situation that steam is directly introduced into the lithium carbonate solution to affect preparation of lithium carbonate is avoided, meanwhile, the evaporation device has the high heat preservation effect, the energy utilization rate in the using process is guaranteed, and the energy consumption is reduced. In addition, when the evaporation device is used, precipitation and condensation of solids in the solution can be prevented, and discharging of the prepared lithium carbonate concentrated solution is facilitated.

An evaporator includes: a cylindrical member 10 through which a heating medium can flow; a heat exchange structure provided on a radially inner side of the cylindrical member 10; and a jacket member 30 provided on a radially outer side of the cylindrical member 10 with a space so as to define a flow path for a liquid and a vapor thereof, the jacket member 30 having a feed port 31 for a liquid M1 and a discharge port 32 for a vapor.

To provide a compact distillation apparatus.SOLUTION: A distillation apparatus 100 comprises a vaporization tower 110 to evaporate a solvent in sea water SW and a condensation tower 160 to liquefy the evaporated solvent and separate as distilled water DW. The vaporization tower 110 is equipped with a heated water tank 117 to heat the sea water SW, a heat medium pipe 112 to be spread in the heated water tank 117 and transport the hot blast HB as a heating medium from a heat source, a ceiling wall 125 covering the heated water tank 117 from above and having a shape where upper inside is recessed upward and a guide pipe 126 discharging the evaporated solvent upward and being extended upward from the center of the ceiling wall 125. The condensation tower 160 has a cooler 161 being sequentially connected on the ceiling wall 125, covering around a vapor outlet 127 at the upper end part of the guide pipe tube 126 and obtaining the distilled water DW by cooling and liquefying the evaporated solvent.SELECTED DRAWING: Figure 2

The application discloses a double-stage pipe type liquid distribution system for a horizontal tube falling film evaporator, and relates to the technical field of evaporation equipment.The double-stage pipe type liquid distribution system for the horizontal tube falling film evaporator comprises an evaporator body, heat exchange tubes and a tube plate flange, the evaporator body is internally provided with a double-stage liquid distribution system, and the double-stage liquid distribution system comprises a water inlet main pipe, a main liquid distributor and a secondary liquid distributor.The liquid distribution pipe adopts a single-layer arrangement mode, compared with the existing double-layer arrangement liquid distribution pipe structure, the single-layer liquid distribution pipe has consistent water inlet liquid levels, the same pressure in the pipe, uniform water discharge of each liquid distribution hole, and can form a uniform liquid film on the heat exchange tube; the liquid distribution system is designed as a double-stage structure with a main liquid distributor in the middle and secondary liquid distributors on both sides, the secondary liquid distributors can distribute liquid to the heat exchange tubes on both sides of the evaporator, widen the evaporator tube distribution space, compared with the existing evaporator heat exchange tubes which are only arranged at the central position, the heat exchange area is greatly improved, and thus the equipment capacity is improved.

An evaporator includes: a cylindrical member through which a heating medium can flow; a heat exchange structure provided on a radially inner side of the cylindrical member; and a jacket member provided on a radially outer side of the cylindrical member with a space so as to define a flow path for a liquid and a vapor thereof, the jacket member having a feed port for a liquid and a discharge port for a vapor.

The invention discloses a heat exchanger (1, 100) of a horizontal tube falling film evaporator type. The heat exchanger (1, 100) comprises a shell (10, 110); at least one tube bundle (20, 120, 140) of heat exchanger tubes (21, 121, 141) arranged inside the housing (10, 110), the tube length (Lt) of the heat exchanger tubes (21, 121, 141) defining a horizontal x-direction and the vertical extension length (Htb, Htb1, Htb2) of the heat exchanger tubes (21, 121, 141) of the tube bundle (20, 120, 140) defining a z-direction orthogonal to the x-direction; and at least one refrigerant distribution layer (30, 130, 150) located above the heat exchanger tubes (21, 121, 141) of the at least one tube bundle (20, 120, 140), the at least one refrigerant distribution layer (30, 130, 150) comprising perforated tubes (31, 131, 151) having a plurality of holes (133a. 1, 133a. 2, 133a. 3, 133a. 4, 133a. 5, 133a. 6, 133a. 7) for discharging refrigerant to the heat exchanger tubes (21, 121, 141) of the tube bundle (20, 120, 140) over which the refrigerant distribution layer (30, 130, 150) is located, where the longitudinal axis of at least some of the perforated tubes (31, 131, 151) is substantially parallel to the longitudinal axis of the perforated tubes (31, 131, 151). A horizontal y direction orthogonal to the x direction defined by the heat exchanger tubes (21, 121, 141) is defined, and wherein the perforations on the perforated tubes (31, 131, 151) have a longitudinal y direction orthogonal to the x direction defined by the heat exchanger tubes (21, 121, 141) and consist of a plurality of holes (133a. 1, 133a. 2, 133a. 3, 133a. 4, 133a. 5, 133a. 6, 133a. 7) arranged in groups of holes (133a, 133b, 133c, 133d) wherein each group of hole groups (133a, 133b, 133c, 133d) is arranged on a circumference lying on a vertical xz plane passing through the heat exchanger tubes (21, 121, 141) of the tube bundle (20, 120, 140), the tube bundle (20, 120, 140) of the heat exchanger tubes (21, 121, 141) is provided with a plurality of tubes (121a. 1, 121a. 2, 121b. 1, 121b. 2, 141a. 1, 141a. 2, 141b. 1, 141b. 2) and is located above the respective heat exchanger 30 tubes (121a. 1, 121a. 2, 121b. 1, 121b. 2, 141a. 1, 141b. 2) of the tube bundle (20, 120, 140) of the heat exchanger tubes (21, 121, 141).

The invention relates to a process for concentrating diluted sulfuric acid (10) which may comprise at least one nitroaromatic compound and / or nitric acid as impurities, comprising: (a) feeding the diluted sulfuric acid (10) into a first stage (1) in which low boilers are removed by evaporation and / or stripping to obtain a first concentrated sulfuric acid (12); (b) optionally feeding the first concentrated sulfuric acid (12) into a second evaporation stage (2) to obtain a second concentrated sulfuric acid (14); (c) feeding the second concentrated sulfuric (14) acid into a third evaporation stage (3) if step (b) is carried out, or feeding the first concentrated sulfuric acid (12) into the third evaporation stage (3) if step (b) is not carried out, to obtain concentrated sulfuric acid (16) as product, wherein an oxidizing agent (17) and / or a precursor of an oxidizing agent is fed into the third evaporation stage (3).

The present application provides a kind of evaporator, can stably generate steam, and manufacture easily, durable reliability is high, can be miniaturized.Evaporator has: tubular member (10), which can be supplied heating medium flow-through;Heat exchange structure, which is configured to the radial inner side of tubular member (10);And sheath member (30), it is spaced apart in the manner of forming the flow path of liquid and its steam and is configured to the radial outer side of tubular member (10), and has the supply port (31) of liquid (M1) and the exhaust port (32) of steam.

The utility model discloses an integrated evaporation separator. A defoaming section and a secondary steam outlet are arranged at the upper end of a mother liquor evaporation section; a conical barrel is arranged at the lower part of the mother liquor evaporation section, a feeding flow guide pipe is arranged in an inner cavity at the middle lower part of the mother liquor evaporation section, and a lower port of the conical barrel is connected with a material accumulation section and is provided with a concentrated material outlet; a bypass opening is formed in the side wall of the middle section of the material accumulation section and is connected with a separator heat exchange section; an inner port of the heat exchange section shell is connected with a bypass port flange through an inner end tube plate flange, an outer port of the heat exchange section shell is provided with an outer end tube plate flange, the inner end tube plate flange is connected with the outer end tube plate flange through a plurality of heat transfer tubes, and the outer side of the outer end tube plate flange is connected with a tube box; a detachable tube pass partition plate is arranged on the cross section of the middle section of the material accumulation section, and the root of the detachable tube pass partition plate is connected with the middle diameter line of the inner end tube plate flange to divide the heat transfer tubes into an upper group and a lower group. The equipment is provided with a heating section to heat feed liquid, so that the evaporation efficiency is improved, and the equipment height and investment are reduced.

The invention discloses an ammonia water evaporator for denitration, which belongs to the technical field of equipment for environmental protection engineering construction, and comprises a tube box, a tube plate, a heat exchange shell, an ammonia water inlet, an ammonia gas outlet, a heat source discharge port, a heat source feed port, a heat exchange tube, a baffle plate and a partition plate, and further comprises a mounting mechanism and a connecting mechanism. By arranging the mounting mechanism and the connecting mechanism, a rotating block is rotated to drive a movable plate to reset, a connecting rod is moved out of an inserting groove and a connecting groove, and the tube box is disassembled; then the rotating column is rotated, the fixing block moves out of the fixing groove, fixing of the mounting sleeve is canceled, meanwhile, the mounting sleeve clamps the heat exchange tube through the rotating rod, and the heat exchange tube is disassembled while the mounting sleeve is disassembled; and after the operation is completed, the mounting ring and the cross rod are moved out of the heat exchange shell, and the baffle plate is disassembled, so that the evaporator can be quickly disassembled, and the cleaning is convenient.