Multi-effect evaporation concentration system and treatment process thereof

Abstract

The application belongs to the technical field of evaporation concentration devices, in particular to a multi-effect evaporation concentration system and a processing technology thereof, comprising a base, a plurality of evaporation boxes are fixedly installed on the top of the base at equal intervals, and an annular spray pipe is fixedly installed on the inner wall of the bottom of the evaporation box, after the evaporation crystallization of the solution, the plurality of material boxes can be moved out of the corresponding evaporation box by starting the lifting mechanism, so that the generated crystals can be conveniently collected, and the lifting mechanism can drive the connecting rod assembly to operate by starting the electric push rod, at this time, the driving force for moving upward or downward can be provided to the plurality of L-shaped plates at the same time, that is, the flow box can be driven to move longitudinally.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of evaporation concentration devices, in particular to a multi-effect evaporation concentration system and a processing technology thereof. BACKGROUND

[0002] The multi-effect evaporator is to pass the heating steam into an evaporator, and then the solution is heated and boiled, and the secondary steam generated has lower pressure and temperature than the original heating steam (i.e. live steam), but the secondary steam can still be utilized. In the multi-effect evaporator, the secondary steam can be used as heating steam and introduced into another evaporator, as long as the pressure of the evaporation chamber and the boiling point of the solution in the latter evaporator are lower than those in the original evaporator, the introduced secondary steam can play the role of heating source.

[0003] According to the announcement No. CN212198571U discloses a multi-effect differential pressure evaporation concentration system based on alcohol waste liquid utilization, which comprises an evaporation stirring box, the output shaft of the motor passes through the box cover, and the output shaft is coaxially connected with the rotating shaft, a plurality of stirring rods are arranged between the U-shaped rod and the rotating shaft, a water inlet pipe is arranged on the circumferential outer wall of the evaporation stirring box, an exhaust pipe is arranged on the other side of the circumferential outer wall of the evaporation stirring box, a heating ring is arranged in the evaporation stirring box, a connecting pipe in communication with the inside of the evaporation stirring box is arranged on the circumferential outer wall of the evaporation stirring box, a waste liquid storage cylinder is arranged at the end of the connecting pipe, a steam collection cylinder is further arranged on one side of the evaporation stirring box, an air pump is arranged above the second cylinder cover, and the air pump is in communication with the exhaust pipe; the multi-effect differential pressure evaporation concentration system based on alcohol waste liquid utilization, the inclined stirring rod uniformly disperses the internal waste liquid, the internal evaporated gas is extracted under the action of the air pump, and the connecting pipe cooperates with the valve under the manual control of the user, so that the concentrated and evaporated waste liquid can be collected.

[0004] The multi-effect evaporation system used in the prior art still has some deficiencies:

[0005] 1. The multi-stage evaporation system currently used is usually made in the form of a tank, and after evaporation, the obtained solid crystals are difficult to remove quickly from the evaporator, which is troublesome when collecting the crystalline materials.

[0006] 2. When using steam to evaporate the solution, a part of the condensate water is generated in the process of using the steam, and this part of the condensate water remaining in the evaporator is usually directly discharged and cannot be recycled.

[0007] In view of the above problems, the present application provides a multi-effect evaporation concentration system and a processing technology thereof. SUMMARY

[0008] The application provides a multi-effect evaporation concentration system and a treatment process thereof, and solves the problems of difficulty in taking out the crystalline body after evaporation and difficulty in recycling the condensed water in the prior art.

[0009] The application provides the following technical scheme:

[0010] The application provides a multi-effect evaporation concentration system, which comprises a base, a plurality of evaporation boxes are fixedly installed at the top of the base at equal intervals, annular spray pipes are fixedly installed on the inner wall of the bottom of the evaporation boxes, cover plates are clamped on the evaporation boxes, material boxes are threadedly connected to the bottom of the cover plates in a ring seal mode, and the multi-effect evaporation concentration system further comprises:

[0011] A plurality of dispersion mechanisms are connected with the cover plates and extend through the cover plates, the bottom of the dispersion mechanism extends into the material box and is connected with the inner wall of the bottom of the material box, the dispersion mechanism is used for enhancing the flowability of the solution during the evaporation of the solution, the top of each dispersion mechanism is connected with a same flow box, and a discharge pipe is fixedly connected to the inner wall of one side of the flow box.

[0012] Two gas supply pipes and two connecting pipes, the bottom end of the connecting pipe is fixedly connected with the inner wall of one side of the corresponding annular spray pipe, the top of the connecting pipe extends to the outside of the evaporation box and is clamped with the corresponding gas supply pipe, the top end of the gas supply pipe extends into the flow box and is fixedly connected with the inner wall of the bottom of the flow box, two baffles are fixedly installed in the flow box, and the flow box is divided into three independent spaces by the two baffles.

[0013] A lifting mechanism is installed at the top of the base, and the top of the lifting mechanism is connected with one side of the flow box.

[0014] A power mechanism is installed on the lifting mechanism, and the power mechanism is connected with the top of the plurality of cover plates and the plurality of dispersion mechanisms.

[0015] A reflux mechanism is connected with the inner wall of the bottom of the plurality of evaporation boxes, the bottom of the reflux mechanism extends below the evaporation box and is connected with the top of the base, the reflux mechanism is used for heating water and recycling condensed water, and one side of the reflux mechanism extends into the annular spray pipe close to the reflux mechanism.

[0016] In a possible design, the dispersing mechanism comprises a rotating pipe penetrating through the cover plate and being rotatably connected with the cover plate, the top end of the rotating pipe extends into the flowing box and is rotatably connected with the inner wall of the bottom of the flowing box, a gear assembly is connected with the rotating pipe and located above the cover plate, a cleaning assembly penetrates through the cover plate and extends into the evaporation box, the bottom of the cleaning assembly is in contact with the inner wall of the evaporation box and the outer side of the material box respectively, the gear assembly is connected with the cleaning assembly and the power mechanism respectively, the bottom end of the rotating pipe is fixedly installed with a blade, the inner wall of the bottom of the material box is fixedly installed with a baffle pipe, a plurality of output holes and a plurality of input holes are equidistantly arranged on the baffle pipe, the blade is located between the output holes and the input holes, and the blade can evaporate and press the solution when rotating, so that the solution is discharged from the output holes and flows into the baffle pipe through the input holes.

[0017] In a possible design, the gear assembly comprises a gear ring, two driven gears and a driving gear, the gear ring is fixedly sleeved on the rotating pipe, the gear ring is located above the cover plate, the two driven gears are connected with the cleaning assembly, and the two driven gears are engaged with the gear ring, the driving gear is connected with the power mechanism, and the driving gear is engaged with the gear ring.

[0018] In a possible design, the cleaning assembly comprises two reciprocating screw rods penetrating through the cover plate and being rotatably connected with the cover plate, the screw threads on the two reciprocating screw rods are opposite in direction, the two driven gears are fixedly sleeved on the corresponding reciprocating screw rods respectively, a scraping ring is closely and slidably arranged in the evaporation box, the scraping ring is slidably sleeved on the material box, two nuts are symmetrically and fixedly installed on the top of the scraping ring, the bottom ends of the reciprocating screw rods extend into the material box through the corresponding nuts and the scraping ring respectively, and the reciprocating screw rods are threadedly connected with the nuts.

[0019] In a possible design, the lifting mechanism comprises two support columns fixedly installed on the top of the base, the same support plate is fixedly installed on the top ends of the two support columns, one side of the support plate is fixedly connected with the top of one side of the plurality of evaporation boxes respectively, a plurality of limiting sliding rails are equidistantly and fixedly installed on the top of the support plate, L-shaped plates are slidably connected with the limiting sliding rails, one side of the top of the plurality of L-shaped plates is fixedly connected with one side of the flowing box, an electric push rod is fixedly installed on the top of the support plate, a connecting rod assembly is connected with the inner side of the plurality of L-shaped plates and the top of the base respectively, and the output shaft of the electric push rod is connected with the connecting rod assembly.

[0020] In a possible design, the connecting rod assembly comprises a moving plate slidably connected to the top of the support plate, the output shaft of the electric push rod is fixedly connected to one side of the moving plate, a plurality of connecting rods are fixedly installed on the top of the moving plate at equal intervals, a connecting ring is slidably sleeved on the connecting rod, a rotating rod is rotatably connected to one side of the connecting ring, the bottom end of the rotating rod is rotatably connected to the top of the support plate, the top ends of the plurality of rotating rods are rotatably connected to the same transmission rod, a plurality of sliding holes are formed in the transmission rod at equal intervals, and a sliding plate is slidably connected in the sliding hole, one side of the sliding plate extends to the outside of the transmission rod and is fixedly connected to one side of the corresponding L-shaped plate.

[0021] In a possible design, the power mechanism comprises a driving motor fixedly installed on the bottom of the support plate, a transmission shaft is fixedly installed on the output shaft of the driving motor, one end of the transmission shaft is rotatably connected to one side of the bottom of the support plate, a plurality of worm gear assemblies are connected to the transmission shaft at equal intervals, the top of the worm gear assembly penetrates through the support plate and extends above the support plate, the worm gear assembly is connected to the support plate, a first friction disc is installed on the top of the worm gear assembly, a connecting shaft is rotatably connected to one side of the cover plate, a second friction disc is fixedly installed on the bottom end of the connecting shaft, the second friction disc is movably and drivingly connected with the first friction disc, and a driving gear is fixedly installed on the top end of the connecting shaft.

[0022] In a possible design, the worm gear assembly comprises a rotating shaft penetrating through the support plate and rotatably connected to the support plate, the top end of the rotating shaft is fixedly connected to the bottom of the corresponding first friction disc, a worm gear located below the support plate is fixedly sleeved on the rotating shaft, and a worm is drivingly engaged with the worm gear.

[0023] In a possible design, the backflow mechanism comprises a drain pipe fixedly installed on the inner wall of the bottom of the evaporation box, the bottom ends of the plurality of drain pipes respectively extend below the corresponding evaporation box and are fixedly connected to the same storage box, a conveying pump is fixedly installed on the top of the base, the water suction end of the conveying pump extends into the storage box and is fixedly connected to one side of the inner wall of the storage box, a heating box is fixedly installed on one side of the top of the base, a sealing cover plate is sealingly clamped on the top of the heating box, a plurality of spiral electric heating rods are fixedly installed on the bottom of the cover plate at equal intervals and located in the heating box, the water outlet end of the conveying pump extends into the heating box and is fixedly connected to one side of the bottom inner wall of the heating box, a gas outlet pipe is fixedly installed on one side of the top inner wall of the heating box, and one end of the gas outlet pipe extends into the annular spray pipe close to the heating box and is fixedly connected to one side of the inner wall of the annular spray pipe.

[0024] The processing process of the multi-effect evaporation concentration system comprises the following steps:

[0025] S1, different boiling point solutions are respectively put into a plurality of material boxes, and the material box in which the solution with a high boiling point is placed is connected with the threaded ring close to the heating box;

[0026] S2, the electric push rod is started to drive the moving plate to move away from the electric push rod side, which can move multiple material boxes into the corresponding evaporation tank until the cover plate is sealed and attached to the corresponding evaporation tank;

[0027] S3, after the water is put into the support heating tank, the multiple spiral electric heating rods can be powered on to heat the water, so that the water forms a steam state, and then the steam can be transported into the corresponding annular nozzle through the gas outlet pipe, and the annular nozzle is used to disperse and transport the steam into the evaporation tank to heat the material box, so that the solution placed in the material box can be heated until the solution is evaporated to form steam, which can be transported into the flow tank through the gas outlet hole and the rotating pipe, and the baffle arranged in the flow tank can isolate the steam entering the flow tank, so that the steam can be transported into other evaporation tanks through the corresponding gas pipe and connecting pipe, and the solution placed in other material boxes can be evaporated;

[0028] S4, the driving motor is started to drive multiple rotating pipes to rotate, so that the blades can be rotated to increase the pressure of the solution, and when the amount of solution in the material box is too much, the solution can be transported upward, that is, the solution can be discharged through the output hole, and the input hole is returned to the baffle, so that the solution can maintain fluidity while being heated, that is, the solution can be uniformly heated to improve the evaporation efficiency;

[0029] S5, when the gear ring rotates, it can drive two reciprocating screw rods to rotate under the meshing transmission of the two driven gears, and under the threaded transmission cooperation of the corresponding nut, the nut can move longitudinally along the height direction of the reciprocating screw rod, so that the scraper ring can be driven, since the scraper ring is in contact with the inner wall of the evaporation tank and the material box, when water droplets adhere to the inner wall of the evaporation tank and the outside of the material box, the water droplets can fall into the storage tank;

[0030] S6, the storage tank is started to drive the water in the storage tank to be pumped out and transported into the heating tank;

[0031] S7, the electric push rod is started to drive the moving plate to move towards the side close to the electric push rod, so that the rotating rod can be driven to rotate vertically, so that the transmission rod moves upward in an arc shape, that is, under the transmission cooperation of the sliding plate, the L-shaped plate can be driven to move upward, that is, the material box can be lifted upward, that is, the crystal in the material box can be removed.

[0032] In the application, different solutions with different boiling points are respectively poured into multiple material boxes, and the material box in which the solution with high boiling point is placed is connected with the threaded ring close to the heating box, then the electric push rod can drive the moving plate to move away from the electric push rod, at this time multiple transmission rods can be driven to move, under the driving action of the connecting ring, multiple rotating rods can be provided with rotating force, so that the rotating rods rotate horizontally, when the rotating rods rotate horizontally, the transmission rods can be driven to move downward in an arc shape, under the sliding cooperation of the sliding plate and the corresponding sliding hole, the L-shaped plate can be driven to move downward, when the L-shaped plate moves downward, the flow box can be driven to move downward, in this way, multiple material boxes can be moved into the corresponding evaporation box through multiple rotating pipes until the cover plate is sealed and fitted with the corresponding evaporation box, then water is poured into the support heating box, at this time multiple spiral electric heating rods are electrified, water can be heated, so that water forms a steam state, then the steam is transported into the corresponding annular nozzle through the gas outlet pipe, the annular nozzle disperses and transports the steam into the evaporation box, the material box is heated, in this way, the solution placed in the material box can be heated until the solution evaporates to form steam, the steam generated by the solution is transported into the flow box through the gas outlet hole and the rotating pipe arranged on the rotating pipe, the baffle arranged in the flow box can isolate the steam entering the flow box, so that the steam can be transported into other evaporation boxes through the corresponding gas pipe and the connecting pipe, the solution placed in other material boxes can be evaporated, and at the same time of evaporating the solution, the driving motor can be started to drive the transmission shaft to rotate, under the meshing transmission action of the worm and the worm wheel, the rotating shaft can be driven to rotate, in this way, the first friction disc can be driven to rotate, when the first friction disc and the second friction disc are in transmission, the connecting shaft can be driven to rotate, so that the driving gear can stably rotate, under the meshing transmission action of the gear ring, the rotating pipe can be driven to rotate, in this way, the rotating pipe can be provided with driving force, so that the rotating pipe rotates, in this way, the blade can be driven to rotate, the solution can be pressurized, at this time when the amount of solution in the material box is too much, the solution can be transported upward, that is, the solution can be discharged through the output hole, the input hole returns to the baffle pipe, so that the solution can maintain fluidity while being heated, that is, the solution can be uniformly heated, so as to improve the evaporation efficiency, and when the gear ring rotates, under the meshing transmission action of the two driven gears, the two reciprocating lead screws can be driven to rotate, under the threaded transmission cooperation of the corresponding nut, the nut can move longitudinally along the height direction of the reciprocating lead screw, in this way, the scraping ring can be driven, since the scraping ring is in contact with the inner wall of the evaporation box and the material box, when water droplets adhere to the inner wall of the evaporation box and the outside of the material box, the water droplets can fall downward, then water can be transported into the storage box through the drain pipe, that is, by starting the delivery pump, water in the storage box can be pumped out and transported into the heating box,Therefore, the condensed water can be recycled, water resources can be effectively saved, after the solution in the material box is completely evaporated and the crystal is generated, the electric push rod is started to drive the moving plate to move to the side close to the electric push rod, the rotating rod is driven to rotate in the vertical direction, the transmission rod moves in an arc shape upwards, the L-shaped plate is driven to move upwards under the transmission of the sliding plate, the material box is lifted upwards, and the crystal in the material box can be removed, so that the crystal is conveniently collected.

[0033] It should be understood that the foregoing general description and the following detailed description are only exemplary and do not limit the present application.

[0034] Compared with the prior art, the present application has the following advantages:

[0035] In the present application, the dispersing mechanism is provided, which can drive the rotating pipe to rotate after the gear assembly receives the driving force of the power mechanism, so that the blade can be rotated, the solution can be pressurized, and when the amount of solution in the material box is too much, the solution can be transported upwards, so that the solution can be discharged from the output hole, and the input hole is returned to the baffle pipe, so that the solution can maintain fluidity while being heated, so that the solution can be uniformly heated to improve the evaporation efficiency, and when the solution is evaporated, the generated steam can enter the rotating pipe through the two gas outlets, and then the steam can be transported to the annular jet pipe in other evaporation boxes through the corresponding gas conveying pipe and the connecting pipe, so as to provide heat source for the next stage of evaporation;

[0036] In the present application, the lifting mechanism is provided, which can drive the connecting rod assembly to rotate when the electric push rod is started, so that the driving force for moving upwards or downwards can be provided to multiple L-shaped plates at the same time, so that the flow box can be moved longitudinally, and the corresponding cover plates can be moved through multiple rotating pipes, so that the material box can be moved into or out of the evaporation box, so that the crystal generated in the material box can be taken out by disassembling the material box when the material box is moved out of the evaporation box, so that the crystal can be conveniently collected.

[0037] In the present application, the power mechanism is provided, which can drive the transmission shaft to rotate when the driving motor is started, so as to provide driving force for multiple worm gear assemblies, and when the first friction plate and the second friction plate are clamped and matched, the connecting shaft can be driven to rotate, so that the driving gear can stably rotate.

[0038] In the application, through the backflow mechanism, after the water is put into the supporting heating box, the plurality of spiral electric heating rods can be powered on to heat the water, so that the water forms a steam state, then the steam is transported into the corresponding annular nozzle through the gas outlet pipe, and the annular nozzle is used to disperse and transport the steam into the evaporation box to heat the material box, and after the steam of different temperatures is sequentially introduced into the evaporation box, the steam generates part of water while heating the material box, and the water can be drained to the storage box through the scraping of the scraping ring, and the water in the storage box can be pumped out and transported into the heating box by starting the delivery pump, so that the condensed water can be recycled and used to effectively save water resources.

[0039] The application can move the plurality of material boxes out of the corresponding evaporation box by starting the lifting mechanism after the solution is evaporated and crystallized, so that the generated crystals can be conveniently collected, and the generated condensed water can be collected during the evaporation of the solution, so that it can be heated and used again, so that water resources can be effectively saved. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 The first perspective structure three-dimensional schematic view of the multi-effect evaporation concentration system provided by the embodiment of the application;

[0041] Figure 2 The second perspective structure three-dimensional schematic view of the multi-effect evaporation concentration system provided by the embodiment of the application;

[0042] Figure 3 The third perspective structure three-dimensional schematic view of the multi-effect evaporation concentration system provided by the embodiment of the application;

[0043] Figure 4 The first perspective structure three-dimensional schematic view of the multi-effect evaporation concentration system provided by the embodiment of the application;

[0044] Figure 5 The evaporation box cross-sectional structure three-dimensional schematic view of the multi-effect evaporation concentration system provided by the embodiment of the application;

[0045] Figure 6 The electric push rod, transmission rod and plurality of L-shaped plate connection structure three-dimensional schematic view of the multi-effect evaporation concentration system provided by the embodiment of the application;

[0046] Figure 7 The flow box cross-sectional structure three-dimensional schematic view of the multi-effect evaporation concentration system provided by the embodiment of the application;

[0047] Figure 8 The driving motor, transmission shaft, plurality of rotating shafts and plurality of connecting shaft connection structure three-dimensional schematic view of the multi-effect evaporation concentration system provided by the embodiment of the application;

[0048] Figure 9 The three-dimensional schematic view of the rotating pipe, the gear ring, the two driven gears and the two reciprocating screw rod connecting structures of the multi-effect evaporation concentration system provided by the embodiment of the present application is shown in the figure.

[0049] Figure 10 The three-dimensional schematic view of the sealing plate and the plurality of spiral electric heating rods connecting structures of the multi-effect evaporation concentration system provided by the embodiment of the present application is shown in the figure.

[0050] Reference signs:

[0051] 1, base; 2, evaporation tank; 3, cover plate; 4, threaded ring; 5, material box; 6, blocking pipe; 7, output hole; 8, input hole; 9, reciprocating screw rod; 10, scraping ring; 11, nut; 12, rotating pipe; 13, blade; 14, gear ring; 15, driven gear; 16, annular spray pipe; 17, air outlet; 18, support column; 19, support plate; 20, limiting slide rail; 21, L-shaped plate; 22, flow tank; 221, discharge pipe; 23, partition plate; 24, air conveying pipe; 25, connecting pipe; 26, sliding hole; 27, sliding plate; 28, transmission rod; 29, electric push rod; 30, moving plate; 31, connecting rod; 32, rotating rod; 33, connecting ring; 34, rotating shaft; 35, driving motor; 36, transmission shaft; 37, worm; 371, worm gear; 38, first friction disc; 39, connecting shaft; 40, second friction disc; 41, driving gear; 42, drain pipe; 43, storage tank; 44, conveying pump; 45, heating tank; 46, sealing plate; 47, spiral electric heating rod; 48, air outlet pipe. DETAILED DESCRIPTION

[0052] The embodiments of the present application will be described below with reference to the accompanying drawings.

[0053] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connection", "installation" should be understood in a broad sense, for example, "connection" can be detachable connection, or can be non-detachable connection; can be direct connection, or can be indirect connection through intermediate medium. In addition, "communication" can be direct communication, or can be indirect communication through intermediate medium. Among them, "fixing" means connecting with each other and the relative positional relationship after connection does not change. The orientation language mentioned in the embodiments of the present application, such as "inner", "outer", "top", "bottom", etc., is only the direction of the drawing, therefore, the orientation language used is to better, more clearly illustrate and understand the embodiments of the present application, and is not indicative or implied that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the embodiments of the present application. Embodiment 1

[0054] ReferenceFigures 1-9 The multi-effect evaporation concentration system of the embodiment comprises a base 1, a plurality of dispersion mechanisms, two gas conveying pipes 24, two connecting pipes 25 and a lifting mechanism, a plurality of evaporation boxes 2 are fixedly installed on the top of the base 1 at equal intervals, an annular spray pipe 16 is fixedly installed on the inner wall of the bottom of the evaporation box 2, a cover plate 3 is clamped on the evaporation box 2, a material box 5 is sealingly and threadedly connected to the bottom of the cover plate 3 through a threaded ring 4, the dispersion mechanism penetrates through the corresponding cover plate 3 and is connected with the cover plate 3, the bottom of the dispersion mechanism extends into the material box 5 and is connected with the inner wall of the bottom of the material box 5, the dispersion mechanism is used for enhancing the fluidity of the solution during the evaporation of the solution, the top of the dispersion mechanism is connected with the same flow box 22, a discharge pipe 221 is fixedly and penetratively connected to the inner wall of one side of the flow box 22, the bottom end of the connecting pipe 25 is fixedly connected with the inner wall of one side of the corresponding annular spray pipe 16, the top of the connecting pipe 25 extends to the outside of the evaporation box 2 and is clamped with the corresponding gas conveying pipe 24, the top end of the gas conveying pipe 24 extends into the flow box 22 and is fixedly connected with the inner wall of the bottom of the flow box 22, two partitions 23 are fixedly installed in the flow box 22, the two partitions 23 divide the flow box 22 into three independent spaces, the lifting mechanism is installed on the top of the base 1, the top of the lifting mechanism is connected with one side of the flow box 22, a power mechanism, the power mechanism is installed on the lifting mechanism, and the power mechanism is connected with the top of the plurality of cover plates 3 and the plurality of dispersion mechanisms respectively.

[0055] With reference to Figure 5, the dispersion mechanism comprises a rotating pipe 12 penetrating through the cover plate 3 and being rotationally connected with the cover plate 3, the top end of the rotating pipe 12 extends into the flow box 22 and is rotationally connected with the inner wall of the bottom of the flow box 22, a gear assembly is connected on the rotating pipe 12 and located above the cover plate 3, a cleaning assembly is connected through the cover plate 3 and extends into the evaporation box 2 and respectively contacts with the inner wall of the evaporation box 2 and the outer side of the material box 5, the gear assembly is connected with the cleaning assembly and the power mechanism respectively, the bottom end of the rotating pipe 12 is fixedly installed with a blade 13, the inner wall of the bottom of the material box 5 is fixedly installed with a baffle pipe 6, a plurality of output holes 7 and a plurality of input holes 8 are respectively and equidistantly arranged on the baffle pipe 6, the blade 13 is located between the output holes 7 and the input holes 8, when the blade 13 rotates, the solution can be subjected to evaporation pressure, so that the solution is discharged from the output holes 7 and flows into the baffle pipe 6 through the input holes 8, the inner walls on both sides of the rotating pipe 12 are respectively provided with gas outlet holes 17 which are communicated with the material box 5, after the gear assembly receives the driving force of the power mechanism, the rotating pipe 12 can be driven to rotate, so that the blade 13 can be rotated, the solution can be pressurized, at this time, when the amount of the solution in the material box 5 is too much, the solution can be upwardly conveyed, that is, the solution can be discharged from the output holes 7, the input holes 8 flow back into the baffle pipe 6, so that the solution can maintain fluidity while being heated, that is, the solution can be uniformly heated, so as to improve the evaporation efficiency, and when the solution is evaporated, the generated steam can enter the rotating pipe 12 through the two gas outlet holes 17, then the steam can be conveyed into the annular spray pipe 16 in other evaporation boxes 2 through the corresponding gas conveying pipes 24 and the connecting pipes 25, so as to provide heat source for the next stage of evaporation, in the attached Figure 2 , the gear assembly comprises a gear ring 14, two driven gears 15 and a driving gear 41, the gear ring 14 is fixedly sleeved on the rotating pipe 12 and located above the cover plate 3, the two driven gears 15 are connected with the cleaning assembly, the two driven gears 15 are engaged with the gear ring 14, the driving gear 41 is connected with the power mechanism and engaged with the gear ring 14, after the driving gear 41 receives the driving force of the power mechanism, the rotating pipe 12 can be driven to rotate, so that the rotating pipe 12 can be provided with driving force, and when the gear ring 14 rotates, the cleaning assembly can be driven to operate under the engagement and transmission of the two driven gears 15, so that the water droplets falling on the inner wall of the evaporation box 2 and the water droplets adhering to the material box 5 can be scraped off, in the attached Figure 5In the embodiment, the cleaning assembly comprises two reciprocating screw rods 9 symmetrically penetrating the cover plate 3 and being rotatably connected with the cover plate 3, the screw threads on the two reciprocating screw rods 9 are opposite in direction, two driven gears 15 are fixedly sleeved on the corresponding reciprocating screw rods 9 respectively, a scraping ring 10 is closely and slidably arranged in the evaporation box 2, the scraping ring 10 is slidably sleeved on the material box 5, two nuts 11 are symmetrically and fixedly arranged on the top of the scraping ring 10, the bottom ends of the reciprocating screw rods 9 penetrate the corresponding nuts 11 and the scraping ring 10 and extend into the material box 5 respectively, the reciprocating screw rods 9 are threadedly connected with the nuts 11, when the reciprocating screw rods 9 rotate with the driven gears 15, the nuts 11 can reciprocate longitudinally along the height direction of the reciprocating screw rods 9 under the thread transmission cooperation of the corresponding nuts 11, so as to drive the scraping ring 10, since the scraping ring 10 keeps in contact with the inner wall of the evaporation box 2 and the material box 5, when water droplets are attached to the inner wall of the evaporation box 2 and the outside of the material box 5, the water droplets can be made to fall downward, so as to recycle the condensed water.

[0056] With reference to Figure 6 The lifting mechanism comprises two support columns 18 fixedly arranged on the top of the base 1, the same support plate 19 is fixedly arranged at the top ends of the two support columns 18, one side of the support plate 19 is fixedly connected with the top of one side of the plurality of evaporation boxes 2 respectively, a plurality of limiting sliding rails 20 are fixedly arranged at the top of the support plate 19 at equal intervals, the L-shaped plates 21 are slidably connected on the limiting sliding rails 20, one side of the top of the plurality of L-shaped plates 21 is fixedly connected with one side of the flow box 22, the electric push rod 29 is fixedly arranged at the top of the support plate 19, the output shaft of the electric push rod 29 is connected with the connecting rod assembly, the connecting rod assembly is connected with the inner sides of the plurality of L-shaped plates 21 and the top of the base 1 respectively, when the electric push rod 29 is started, the connecting rod assembly can be driven to rotate, at this time, the plurality of L-shaped plates 21 can be simultaneously provided with driving force for moving upward or downward, that is, the flow box 22 can be driven to move longitudinally, at this time, the corresponding cover plates 3 can be driven to move through the plurality of rotating pipes 12, so that the material box 5 can be moved into or out of the evaporation box 2, so that the crystals generated in the material box 5 can be taken out by disassembling the material box 5 when the material box 5 is moved out of the evaporation box 2, so that the crystals can be conveniently collected, and the water droplets can be recycled when the water droplets are attached to the inner wall of the evaporation box 2 and the outside of the material box 5. Figure 6The connecting rod assembly comprises a moving plate 30 slidably connected to the top of the support plate 19, the output shaft of the electric push rod 29 is fixedly connected to one side of the moving plate 30, a plurality of connecting rods 31 are fixedly installed at equal intervals on the top of the moving plate 30, a connecting ring 33 is slidably sleeved on the connecting rod 31, a rotating rod 32 is rotatably connected to one side of the connecting ring 33, the bottom end of the rotating rod 32 is rotatably connected to the top of the support plate 19, the top ends of the plurality of rotating rods 32 are rotatably connected to the same transmission rod 28, a plurality of sliding holes 26 are formed at equal intervals on the transmission rod 28, a sliding plate 27 is slidably connected in the sliding hole 26, one side of the sliding plate 27 extends to the outside of the transmission rod 28 and is fixedly connected to one side of the corresponding L-shaped plate 21, when the moving plate 30 moves with the output shaft of the electric push rod 29, the plurality of transmission rods 28 can be driven to move, at this time, under the driving action of the connecting ring 33, the plurality of rotating rods 32 can be provided with a rotating force, so that the rotating rod 32 can rotate, so that when the rotating rod 32 rotates in the vertical direction, the transmission rod 28 can be driven to move upward in an arc shape, that is, under the transmission cooperation of the sliding plate 27, the L-shaped plate 21 can be driven to move upward, that is, the material box 5 can be lifted upward, when the rotating rod 32 rotates in the horizontal direction, at this time, the transmission rod 28 can be driven to move downward in an arc shape, so that the material box 5 can be moved into the corresponding evaporation tank 2.

[0057] Referring to Figure 8 The power mechanism comprises a driving motor 35 fixedly installed at the bottom of the support plate 19, a transmission shaft 36 is fixedly installed on the output shaft of the driving motor 35, one end of the transmission shaft 36 is rotatably connected to one side of the bottom of the support plate 19, a plurality of worm gear assemblies are connected at equal intervals on the transmission shaft 36, the top of the worm gear assembly penetrates through the support plate 19 and extends above the support plate 19, the worm gear assembly is connected with the support plate 19, a first friction disc 38 is installed at the top of the worm gear assembly, a connecting shaft 39 is rotatably connected to one side of the cover plate 3, a second friction disc 40 is fixedly installed at the bottom end of the connecting shaft 39, the second friction disc 40 is movably and drivingly matched with the first friction disc 38, a driving gear 41 is fixedly installed at the top end of the connecting shaft 39, when the driving motor 35 is started to drive the transmission shaft 36 to rotate, a driving force can be provided for the plurality of worm gear assemblies, at this time, when the first friction disc 38 and the second friction disc 40 are clamped and matched, the connecting shaft 39 can be driven to rotate, so that the driving gear 41 can stably rotate, when the connecting shaft 39 is driven to rotate by the driving motor 35, the driving gear 41 can be driven to rotate, so that the plurality of worm gear assemblies can be driven to rotate, at this time, the first friction disc 38 and the second friction disc 40 can be driven to rotate, so that the L-shaped plate 21 can be driven to move upward, that is, the material box 5 can be lifted upward. Figure 8In the embodiment, the worm wheel assembly comprises a rotating shaft 34 penetrating through the support plate 19 and being rotatably connected with the support plate 19, the top end of the rotating shaft 34 is fixedly connected with the bottom of the corresponding first friction disc 38, the rotating shaft 34 is fixedly sleeved with a worm wheel 371 located below the support plate 19, the worm wheel 371 is meshingly and drivingly connected with a worm 37, the worm 37 is fixedly sleeved on the transmission shaft 36, when the transmission shaft 36 rotates along with the output shaft of the driving motor 35, the rotating shaft 34 can be driven to rotate under the meshing and driving effect of the worm 37 and the worm wheel 371, so as to drive the first friction disc 38 to rotate, at this time, when the first friction disc 38 and the second friction disc 40 are drivingly connected, the connecting shaft 39 can be driven to rotate. Example 2

[0058] With reference to Figure 10 On the basis of the embodiment one, the embodiment further proposes a reflux mechanism for the multi-effect evaporation concentration system proposed in the embodiment one, the reflux mechanism is connected with the inner wall of the bottom of the plurality of evaporation boxes 2, the bottom of the reflux mechanism extends below the evaporation boxes 2 and is connected with the top of the base 1, the reflux mechanism is used for heating water and recovering condensed water, one side of the reflux mechanism extends into the annular spray pipe 16 close to the reflux mechanism.

[0059] With reference to Figure 10The backflow mechanism comprises a plurality of drain pipes 42 fixedly installed on the inner wall of the bottom of the evaporation box 2, the bottom ends of the plurality of drain pipes 42 extend to the lower side of the corresponding evaporation box 2 respectively and are fixedly connected with the same storage box 43, the top of the base 1 is fixedly installed with a conveying pump 44, the water suction end of the conveying pump 44 extends into the storage box 43 and is fixedly connected with the inner wall of one side of the storage box 43, the top of one side of the base 1 is fixedly installed with a heating box 45, the top of the heating box 45 is sealingly clamped with a cover plate 46, a plurality of spiral electric heating rods 47 are fixedly installed at equal intervals on the bottom of the cover plate 46 and are located in the heating box 45, the water outlet end of the conveying pump 44 extends into the heating box 45 and is fixedly connected with the inner wall of one side of the bottom of the heating box 45, the inner wall of one side of the top of the heating box 45 is fixedly installed with an air outlet pipe 48, one end of the air outlet pipe 48 extends into the annular spray pipe 16 close to the heating box 45 and is fixedly connected with the inner wall of one side of the annular spray pipe 16, after water is put into the support heating box 45, the plurality of spiral electric heating rods 47 can be electrified at this time, the water can be heated, so that the water forms a steam state, then the steam can be conveyed into the corresponding annular spray pipe 16 through the air outlet pipe 48, the steam is dispersed and conveyed into the evaporation box 2 by the annular spray pipe 16, the material box 5 is heated, and after the evaporation box 2 is sequentially connected with the steam with different temperatures, the steam generates a part of water while heating the material box 5, the water can be drained to the storage box 43 through the scraping of the scraping ring 10, and the water in the storage box 43 can be pumped out and conveyed into the heating box 45 by starting the conveying pump 44, so that the condensed water can be recycled and utilized, and the water resources can be effectively saved.

[0060] The application provides a processing technology of a multi-effect evaporation concentration system, which comprises the following steps:

[0061] S1, different boiling point solutions are respectively put into a plurality of material boxes 5, and the material box 5 in which the solution with a high boiling point is placed is connected with the threaded ring 4 close to the heating box 45;

[0062] S2, the electric push rod 29 is started to drive the moving plate 30 to move away from the side of the electric push rod 29, so that the plurality of material boxes 5 can be moved into the corresponding evaporation box 2 until the cover plate 3 is sealingly attached to the corresponding evaporation box 2;

[0063] S3, after water is put into the support heating box 45, at this time the plurality of spiral electric heating rod 47 can be powered on, the water can be heated, so that the water forms a steam state, then the steam can be transported to the corresponding annular nozzle 16 through the gas outlet pipe 48, the steam is dispersed and transported into the evaporation tank 2 by the annular nozzle 16, the material box 5 is heated, so that the solution placed in the material box 5 can be heated, until the solution is evaporated to form steam, the steam generated by the solution can be transported into the flow tank 22 by the gas outlet hole 17 and the rotating pipe 12 arranged on the rotating pipe 12, the baffle 23 arranged in the flow tank 22 can isolate the steam entering the flow tank 22, so that the steam can only be transported into other evaporation tanks 2 by the corresponding gas pipe 24 and the connecting pipe 25, so that the solution placed in other material boxes 5 can be evaporated;

[0064] S4, the driving motor 35 is started to drive the plurality of rotating pipes 12 to rotate, so that the blade 13 can be rotated to increase the pressure of the solution, at this time when the amount of solution in the material box 5 is too much, the solution can be transported upward, that is, the solution can be discharged from the output hole 7, and the input hole 8 is returned to the baffle pipe 6, so that the solution can maintain fluidity while being heated, that is, the solution can be uniformly heated to improve the evaporation efficiency;

[0065] S5, when the gear ring 14 rotates, it can drive the two reciprocating lead screws 9 to rotate under the meshing transmission of the two driven gears 15, and can make the nut 11 move longitudinally along the height direction of the reciprocating lead screw 9 under the threaded transmission cooperation of the corresponding nut 11, so as to drive the scraping ring 10 to move, since the scraping ring 10 is in contact with the inner wall of the evaporation tank 2 and the material box 5, when water droplets adhere to the inner wall of the evaporation tank 2 and the outside of the material box 5, the water droplets can fall into the storage tank 43;

[0066] S6, the storage tank 43 is started to drive the water in the storage tank 43 to be pumped out and transported into the heating tank 45;

[0067] S7, the electric push rod 29 is started to drive the moving plate 30 to move towards the side close to the electric push rod 29, so as to drive the rotating rod 32 to rotate vertically, so that the transmission rod 28 moves upward in an arc shape, that is, under the transmission cooperation of the sliding plate 27, the L-shaped plate 21 can be driven to move upward, that is, the material box 5 can be lifted upward, so that the crystal in the material box 5 can be removed.

[0068] However, as known to those skilled in the art, the working principle and wiring method of the electric push rod 29, the driving motor 35 and the spiral electric heating rod 47 are common, which belong to conventional means or common knowledge, which will not be repeated here, and those skilled in the art can select and arrange as needed or convenient.

[0069] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application; the embodiments of the present application and the features in the embodiments can be combined with each other without conflict. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A multi-effect evaporation and concentration system, comprising a base (1), wherein multiple evaporation chambers (2) are fixedly installed at equal intervals on the top of the base (1), annular nozzles (16) are fixedly installed on the inner wall of the bottom of the evaporation chambers (2), and a cover plate (3) is clamped onto the evaporation chambers (2), and a material box (5) is threadedly connected to the bottom of the cover plate (3) through a threaded ring (4), characterized in that, This multi-effect evaporation and concentration system also includes: Multiple dispersing mechanisms are provided, each dispersing mechanism passing through a corresponding cover plate (3) and connected to the cover plate (3). The bottom of the dispersing mechanism extends into the material box (5) and is connected to the bottom inner wall of the material box (5). The dispersing mechanism is used to enhance the fluidity of the solution during the evaporation process. The top of each of the multiple dispersing mechanisms is connected to the same flow box (22). A discharge pipe (221) is fixedly connected through one side inner wall of the flow box (22). Two gas supply pipes (24) and two connecting pipes (25). The bottom end of the connecting pipe (25) is fixedly connected to the inner wall of one side of the corresponding annular nozzle (16). The top of the connecting pipe (25) extends to the outside of the evaporator (2) and is engaged with the corresponding gas supply pipe (24). The top end of the gas supply pipe (24) extends into the flow box (22) and is fixedly connected to the bottom inner wall of the flow box (22). Two partitions (23) are fixedly installed inside the flow box (22). The two partitions (23) divide the flow box (22) into three independent spaces. The lifting mechanism is installed on the top of the base (1), and the top of the lifting mechanism is connected to one side of the flow box (22); The power mechanism is installed on the lifting mechanism and is connected to the top of multiple cover plates (3) and multiple distributed mechanisms respectively. The reflux mechanism is connected to the bottom inner wall of the multiple evaporators (2). The bottom of the reflux mechanism extends to the bottom of the evaporator (2) and is connected to the top of the base (1). The reflux mechanism is used to heat water and recover condensate. One side of the reflux mechanism extends into the annular nozzle (16) near the reflux mechanism.

2. The multi-effect evaporation and concentration system according to claim 1, characterized in that, The dispersing mechanism includes a rotating tube (12) that passes through and is rotatably connected to the cover plate (3). The top end of the rotating tube (12) extends into the flow box (22) and is rotatably connected to the bottom inner wall of the flow box (22). A gear assembly located above the cover plate (3) is connected to the rotating tube (12). A cleaning assembly is connected through the cover plate (3). The bottom of the cleaning assembly extends into the evaporator (2) and contacts the inner wall of the evaporator (2) and the outer side of the material box (5) respectively. The gear assembly is connected to the cleaning assembly and the power mechanism respectively. A blade (13) is fixedly installed at the bottom end of the tube (12). A baffle (6) is fixedly installed on the bottom inner wall of the material box (5). Multiple output holes (7) and multiple input holes (8) are equally spaced on the baffle (6). The blade (13) is located between the output hole (7) and the input hole (8). When the blade (13) rotates, it can pressurize the solution, so that the solution is discharged from the output hole (7) and flows into the baffle (6) through the input hole (8). Air outlets (17) connected to the material box (5) are opened on both sides of the inner wall of the rotating tube (12).

3. The multi-effect evaporation and concentration system according to claim 2, characterized in that, The gear assembly includes a gear ring (14), two driven gears (15) and a driving gear (41). The gear ring (14) is fixedly sleeved on the rotating tube (12). The gear ring (14) is located above the cover plate (3). Both driven gears (15) are connected to the cleaning assembly and mesh with the gear ring (14). The driving gear (41) is connected to the power mechanism and meshes with the gear ring (14).

4. The multi-effect evaporation and concentration system according to claim 3, characterized in that, The cleaning assembly includes two reciprocating screws (9) that symmetrically penetrate the cover plate (3) and are rotatably connected to the cover plate (3). The threads on the two reciprocating screws (9) are in opposite directions. Two driven gears (15) are respectively fixedly sleeved on the corresponding reciprocating screws (9). A scraper ring (10) is tightly slidably provided inside the evaporator (2). The scraper ring (10) is slidably sleeved on the material box (5). Two nuts (11) are symmetrically fixedly installed on the top of the scraper ring (10). The bottom end of the reciprocating screw (9) penetrates the corresponding nut (11) and the scraper ring (10) and extends into the material box (5). The reciprocating screw (9) is threadedly connected to the nut (11).

5. The multi-effect evaporation and concentration system according to claim 1, characterized in that, The lifting mechanism includes two support columns (18) fixedly installed on the top of the base (1). The top of the two support columns (18) is fixedly installed with the same support plate (19). One side of the support plate (19) is fixedly connected to the top of one side of multiple evaporation boxes (2). Multiple limiting slide rails (20) are fixedly installed at equal intervals on the top of the support plate (19). L-shaped plates (21) are slidably connected on the limiting slide rails (20). The top of one side of multiple L-shaped plates (21) is fixedly connected to one side of the flow box (22). An electric push rod (29) is fixedly installed on the top of the support plate (19). A connecting rod assembly is connected to the output shaft of the electric push rod (29). The connecting rod assembly is connected to the inner side of multiple L-shaped plates (21) and the top of the base (1).

6. The multi-effect evaporation and concentration system according to claim 5, characterized in that, The linkage assembly includes a movable plate (30) slidably connected to the top of the support plate (19), the output shaft of the electric push rod (29) is fixedly connected to one side of the movable plate (30), and multiple connecting rods (31) are fixedly installed at equal intervals on the top of the movable plate (30). A connecting ring (33) is slidably sleeved on the connecting rod (31), and a rotating rod (32) is rotatably connected to one side of the connecting ring (33). The bottom end of the rotating rod (32) is rotatably connected to the top of the support plate (19), and the top ends of the multiple rotating rods (32) are rotatably connected to the same transmission rod (28). Multiple sliding holes (26) are opened at equal intervals on the transmission rod (28), and a sliding plate (27) is slidably connected in the sliding hole (26). One side of the sliding plate (27) extends to the outside of the transmission rod (28) and is fixedly connected to one side of the corresponding L-shaped plate (21).

7. The multi-effect evaporation and concentration system according to claim 3, characterized in that, The power mechanism includes a drive motor (35) fixedly installed at the bottom of the support plate (19). A transmission shaft (36) is fixedly installed on the output shaft of the drive motor (35). One end of the transmission shaft (36) is rotatably connected to the bottom side of the support plate (19). Multiple worm gear assemblies are connected at equal intervals on the transmission shaft (36). The top of the worm gear assembly passes through the support plate (19) and extends to the top of the support plate (19). The worm gear assembly is connected to the support plate (19). A first friction disc (38) is installed on the top of the worm gear assembly. A connecting shaft (39) is rotatably connected to one side of the cover plate (3). A second friction disc (40) is fixedly installed at the bottom end of the connecting shaft (39). The second friction disc (40) and the first friction disc (38) are in a moving transmission cooperation. The drive gear 41 is fixedly installed at the top of the connecting shaft (39).

8. The multi-effect evaporation and concentration system according to claim 7, characterized in that, The worm gear assembly includes a rotating shaft (34) that passes through the support plate (19) and is rotatably connected to the support plate (19). The top end of the rotating shaft (34) is fixedly connected to the bottom of the corresponding first friction disc (38). A worm gear (371) located below the support plate (19) is fixedly sleeved on the rotating shaft (34). A worm (37) is meshed on the worm gear (371). The worm (37) is fixedly sleeved on the transmission shaft (36).

9. The multi-effect evaporation and concentration system according to claim 1, characterized in that, The reflux mechanism includes drain pipes (42) fixedly installed on the inner wall of the bottom of the evaporator (2). The bottom ends of multiple drain pipes (42) extend to the bottom of the corresponding evaporator (2) and are fixedly connected to the same storage box (43). A transfer pump (44) is fixedly installed on the top of the base (1). The suction end of the transfer pump (44) extends into the storage box (43) and is fixedly connected to one side of the inner wall of the storage box (43). A heating box (45) is fixedly installed on one side of the top of the base (1). The top of the heating box (45) is tightly sealed. The sealing card is equipped with a sealing plate (46). Multiple spiral electric heating rods (47) located inside the heating box (45) are fixedly installed at equal intervals on the bottom of the sealing plate (46). The water outlet of the delivery pump (44) extends into the heating box (45) and is fixedly connected to the bottom inner wall of one side of the heating box (45). An air outlet pipe (48) is fixedly installed on the top inner wall of one side of the heating box (45). One end of the air outlet pipe (48) extends into the annular nozzle (16) near the heating box (45) and is fixedly connected to the inner wall of one side of the annular nozzle (16).

10. The processing technology of the multi-effect evaporation and concentration system according to any one of claims 1-9, characterized in that, Includes the following steps: S1. Solutions with different boiling points are placed into multiple material boxes (5), and the material box (5) containing the solution with the high boiling point is connected to the threaded ring (4) near the heating box (45). S2. Start the electric push rod (29) to drive the moving plate (30) to move away from the electric push rod (29) to move multiple material boxes (5) into the corresponding evaporator (2) until the cover plate (3) is sealed and fitted with the corresponding evaporator (2); S3. After water is placed in the support heating box (45), multiple spiral heating rods (47) can be energized to heat the water and make it into steam. Then the steam can be transported through the outlet pipe (48) to the corresponding annular nozzle (16). The annular nozzle (16) is used to disperse the steam to the evaporation box (2) to heat the material box (5). This can heat the solution placed in the material box (5) until the solution evaporates to form steam. The steam generated by the solution can be transported to the flow box (22) through the outlet hole (17) on the rotating pipe (12) and the rotating pipe (12). The partition (23) set in the flow box (22) can isolate the steam entering the flow box (22) so that the steam can only be transported to other evaporation boxes (2) through the corresponding gas delivery pipe (24) and connecting pipe (25) to evaporate the solution placed in other material boxes (5). S4. Start the drive motor (35) to drive multiple rotating tubes (12) to rotate, thereby driving the blades (13) to rotate and pressurize the solution. At this time, when there is too much solution in the material box (5), the solution can be transported upward, and the solution can be discharged from the output hole (7) and the input hole (8) can flow back into the baffle (6). Therefore, the solution can maintain fluidity while being heated, which can ensure that the solution is heated evenly and thus improve the evaporation efficiency. S5. When the gear ring (14) rotates, it can drive the two reciprocating screws (9) to rotate under the meshing transmission action with the two driven gears (15). Under the thread transmission cooperation of the corresponding nut (11), the nut (11) can make longitudinal reciprocating motion along the height direction of the reciprocating screw (9), thereby driving the scraper ring (10). Since the scraper ring (10) is in contact with the inner wall of the evaporator (2) and the material box (5), when water droplets are attached to the inner wall of the evaporator (2) and the outer side of the material box (5), the water droplets can fall downward into the storage box (43). S6. Starting the transfer pump (44) can draw water from the storage tank (43) and transfer it to the heating tank (45); S7. Start the electric push rod (29) to drive the moving plate (30) to move to the side closer to the electric push rod (29), thereby driving the rotating rod (32) to rotate in the vertical direction, so that the transmission rod (28) moves upward in an arc shape. With the transmission cooperation of the sliding plate (27), the L-shaped plate (21) can be driven to move upward, thereby lifting the material box (5) upward and removing the crystals located in the material box (5).

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