MVR evaporator for sewage treatment

Abstract

This invention relates to the field of wastewater treatment equipment, specifically an MVR evaporator for wastewater treatment, comprising a control cabinet, a wastewater tank, an MVR evaporator body, and a filtration mechanism. The filtration mechanism includes a filter box with an adjustment mechanism for adjusting its tilt angle. An internal partition divides the filter box into two filtration channels, front and rear. Each filtration channel contains a removable filter screen structure and a blocking structure. A blockage detection structure is located on the side of the blocking structure closest to the filter screen structure. This device features a dual-filtration channel design for pre-treatment of wastewater. During filtration, only one filtration channel operates. When a filtration channel becomes blocked, the blockage is automatically detected, and the filtration channel is automatically switched to continue filtration. When a preset amount of wastewater is introduced into the MVR evaporator, both filtration channels can be blocked simultaneously, thereby improving operational efficiency.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment equipment, and more particularly to an MVR evaporator for wastewater treatment. Background Technology

[0002] MVR high-efficiency energy-saving evaporators are mechanical thermal energy compression evaporation equipment, mainly used for industrial evaporation, concentration, and crystallization processes. They can be applied to the processing of heat-sensitive materials in industries such as environmental protection, chemical, food, and pharmaceuticals. Their core function is to... Steam Gas compressor Secondary steam is recovered, compressed, heated, and recycled for heat energy, reducing the demand for external steam.

[0003] Untreated wastewater contains many foreign objects, which can affect the lifespan of the MVR evaporator if they enter it.

[0004] Pre-treatment is typically done using filters, but these filters become clogged after a period of use and need to be replaced. However, replacing filters takes time, which affects operational efficiency.

[0005] For the reasons mentioned above, we designed an MVR evaporator for water treatment. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to overcome the defects of the existing technology. The present invention proposes an MVR evaporator for sewage treatment. When pre-treating and filtering sewage, a dual filtration channel is designed so that only one filtration channel operates during the filtration operation. When the filtration channel is blocked, the blockage is automatically detected and the filtration channel is automatically switched to perform the filtration operation. When a preset amount of sewage is introduced into the MVR evaporator, both filtration channels can be blocked at the same time, thereby improving the operating efficiency.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: an MVR evaporator for wastewater treatment, comprising:

[0008] sewage tank;

[0009] MVR evaporator body;

[0010] The filtration mechanism includes a filter box with an adjustment mechanism for adjusting its tilt angle. An internal partition plate divides the filter box into two filtration channels, front and rear. Each filtration channel contains a removable filter screen structure and a blocking structure. A blockage detection structure is located on the side of the blocking structure closest to the filter screen structure. A second connecting pipe is installed on the side of each filtration channel closest to the filter screen structure. Both second connecting pipes are connected to the wastewater inlet of the MVR evaporator body. A sealing plate is installed on the filter box to block the other side of the two filtration channels.

[0011] The partition plate has a connecting waterway that connects the two filter channels. The outlet of the sewage tank is connected to one of the filter channels. When the two sealing structures are placed on the same longitudinal line, the wastewater entering from the sewage tank is blocked from entering the MVR evaporator body.

[0012] The partition plate is equipped with a drive mechanism that keeps two sealing structures placed on the same longitudinal line away from each other, so that only one filter channel can transmit wastewater to the MVR evaporator body.

[0013] Furthermore, the outlet of the sewage tank is connected to a first connecting pipe, which is connected to one of the filter channels.

[0014] Furthermore, the bottom of the sewage tank is conical, and the bottom of the sewage tank is pressed inside the annular mounting plate, the bottom of which is fixedly connected to a first support rod.

[0015] Furthermore, the adjustment mechanism includes two first rotating columns. The right front and rear sides of the filter box are each limited by a first rotating column. A second support rod is fixedly connected to the two first rotating columns. The left front and rear sides of the filter box are each limited by a second rotating column. A mounting plate is fixedly connected to each of the two second rotating columns. A first sliding groove is provided on each of the two mounting plates. A threaded support rod is provided in the first sliding groove. Two nuts are threadedly connected to the threaded support rod. The two nuts are located at the top and bottom of the mounting plate.

[0016] Furthermore, the filter structure includes a filter plate, on which a T-shaped mounting block is installed. The filter box has mounting holes, and the T-shaped mounting block is installed in the mounting holes. The filter plate filters the sewage in the corresponding filter channels.

[0017] Furthermore, the sealing structure includes a sealing piston plate, which is slidably connected to the corresponding filter channel for sealing and limiting. A scraper ring is fixedly connected to the side of the sealing piston plate away from the filter screen structure via a first connecting strip. The scraper ring can scrape away foreign objects or dirt in the filter channel.

[0018] Furthermore, the blockage detection structure includes a second elastic telescopic member and a circular foam board. At least two second elastic telescopic members are fixedly connected to the side of the sealing piston plate near the filter structure. The two second elastic telescopic members are jointly fixedly connected to the side away from the sealing piston plate. A waterproof proximity sensor is installed on the sealing piston plate, and a metal sheet that can cooperate with the waterproof proximity sensor is installed on the circular foam board.

[0019] Furthermore, the driving mechanism includes a third rotating column, second sliding grooves are provided on both the front and rear sides of the partition plate, a middle channel is provided in the middle of the partition plate, and a slot is provided on the left side of the partition plate. The second sliding groove, the slot, and the middle channel are connected. The connecting water channel is not connected to the second sliding groove, the slot, and the middle channel, and is located at the bottom of the second sliding groove, the slot, and the middle channel. The third rotating column is rotatably connected in the middle channel. A gear is fixedly connected to the outer wall of the third rotating column. Two racks are slidably connected in the middle channel through two limiting sliding grooves. The gear meshes with the two racks simultaneously. A fourth connecting strip is fixedly connected to one side of each rack located in the slot. A third sealing connecting strip is connected to each of the two fourth connecting strips. The two third sealing connecting strips are respectively slidably connected in the two second sliding grooves. A second connecting strip and a sealing piston plate are connected to the side of each third sealing connecting strip away from the fourth connecting strip. The second connecting strip is placed in the corresponding filter channel and is fixedly connected to the scraper ring in the corresponding filter channel.

[0020] A motor is fixedly connected to the outer wall of the filter box, and the power output end of the motor is connected to the third rotating column.

[0021] Furthermore, each of the two filter channels is fixedly connected to a slide rail, which is positioned between the filter plate and the annular foam board. A second sliding plate is slidably connected to the upper limit of the slide rail, and a push plate is fixedly connected to the second sliding plate. A mating plate is fixedly connected to the filter plate, and the push plate can press against the mating plate. A first elastic telescopic member is fixedly connected to the side of the slide rail away from the filter plate, and a first sliding plate is fixedly connected to the side of the first elastic telescopic member away from the slide rail. A push rod is fixedly connected to the sealing piston plate, and the push rod passes through the hole in the middle of the annular foam board and can press against the first sliding plate.

[0022] Furthermore, both the first elastic telescopic member and the second elastic telescopic member include a telescopic sleeve, a telescopic rod is slidably connected inside the telescopic sleeve, and a spring is provided between the inner bottom of the telescopic sleeve and the telescopic rod;

[0023] The telescopic sleeve is connected to the sealing piston plate, and the telescopic rod is connected to the circular foam board;

[0024] Alternatively, the telescopic sleeve may be connected to the first slide plate, and the telescopic rod may be connected to the slide rail.

[0025] Compared with the prior art, the beneficial effects of the present invention include:

[0026] When wastewater is injected into the MVR evaporator, the device is equipped with two filtration channels. During the filtration pretreatment operation, a blocking mechanism is used to ensure that only one filtration channel is available while the other filtration channel is blocked. When the filtration channel is blocked, the blockage can be detected in time and the other filtration channel can be automatically switched to perform the filtration operation. The blocked filtration channel is blocked, which makes it easy to replace the filter screen of the blocked channel.

[0027] When a preset amount of wastewater is collected into the MVR evaporator, both filter channels can be blocked.

[0028] This device requires only one motor to switch between the two filter channels, and only one filter channel can be used for filtration at a time. Compared with the traditional method of using multiple electrical appliances, the dual filter channel switching of this device is more stable, and it can simultaneously block both filter channels. When it is necessary to remove the blocked filter screen, it can assist in removing the filter screen. When it is necessary to clean the inside of the filter box, the tilt of the filter box is adjusted, and with the second connecting strip, foreign objects are scraped off the filter channel. Combined with rinsing with clean water, this allows personnel to clean the filter box efficiently. Attached Figure Description

[0029] The disclosure of this invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0030] Figure 1 A front view structural schematic diagram of the present invention is shown;

[0031] Figure 2 The diagram shows a top view of the cross-sectional structure of the filter box of the present invention;

[0032] Figure 3 This invention demonstrates the relative... Figure 2 Another perspective view of the filter box from top to bottom, showing a cross-sectional view.

[0033] Figure 4 This invention demonstrates Figure 1 A magnified structural diagram at point A;

[0034] Figure 5 This invention is shown. Figure 2 A magnified structural diagram at point B;

[0035] Figure 6 This invention is shown. Figure 2 A magnified structural diagram at point C;

[0036] Figure 7 This invention is shown. Figure 3 An enlarged structural diagram of the partition plate in the diagram;

[0037] Figure 8 A cross-sectional view of the first elastic telescopic member of the present invention is shown.

[0038] Labels in the diagram: 1. MVR evaporator body; 2. Wastewater tank; 3. Circular mounting plate; 4. First support rod; 5. First connecting pipe; 6. Second connecting pipe; 7. Filter box; 8. Motor; 9. Sealing plate; 10. Second support rod; 11. Threaded support rod; 12. First rotating column; 13. Connecting water channel; 14. Filter channel; 15. Partition plate; 16. Mounting plate; 17. Second rotating column; 18. First slide groove; 19. Nut; 20. Filter plate; 21. Mounting hole; 22. T-shaped mounting block; 23. Mating plate; 24. Push plate; 25. Slide rail; 26. 27. First sliding plate; 28. First elastic telescopic component; 29. ​​Second sliding plate; 30. Hinge rod; 31. Circular foam board; 32. Second elastic telescopic component; 33. Metal sheet; 34. Waterproof proximity sensor; 35. Push rod; 36. Sealing piston plate; 37. Scraper ring; 38. First connecting strip; 39. Second connecting strip; 40. Second slide groove; 41. Intermediate channel; 42. Limiting slide groove; 43. Rack; 44. Groove; 45. Third rotating column; 46. Gear; 47. Third sealing connecting strip; 48. Fourth connecting strip; 49. Telescopic rod; 50. Telescopic sleeve; 61. Spring. Detailed Implementation

[0039] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0040] Example 1:

[0041] This embodiment mainly includes an MVR evaporator body 1, a wastewater tank 2, and a filter box 7.

[0042] Key reference Figure 1 and Figure 2 The bottom of the circular mounting plate 3 is fixedly connected with the first support rod 4. The bottom of the sewage tank 2 is conical. The sewage tank 2 can be stably placed inside the circular mounting plate 3. The bottom of the sewage tank 2 is connected to the first connecting pipe 5.

[0043] Key reference Figure 1 , Figure 2 , Figure 4 The right side of the filter box 7 is rotatably connected to a first rotating column 12, and a second support rod 10 is fixedly connected to the two first rotating columns 12. The left side of the filter box 7 is rotatably connected to a second rotating column 17, and a mounting plate 16 is fixedly connected to the two second rotating columns 17. The two mounting plates 16 are provided with a first sliding groove 18, and a threaded support rod 11 is provided in the first sliding groove 18. Two nuts 19 are threadedly connected to the threaded support rod 11, and the two nuts 19 are placed at the top and bottom of the mounting plate 16.

[0044] Key reference Figure 2-3 , Figure 5-7 The filter box 7 has a partition plate 15 in the middle, which divides the interior of the filter box 7 into two filter channels 14. The right side of each of the two filter channels 14 is connected to a second connecting pipe 6. Both second connecting pipes 6 are connected to the wastewater inlet of the MVR evaporator body 1, and are used to transfer wastewater into the MVR evaporator body 1 for concentration.

[0045] Key reference Figure 3 A sealing plate 9 is installed on the left side of the filter box 7. The sealing plate 9 can be removed from the filter box 7 and can seal the left side of the filter box 7.

[0046] Key reference Figure 5 The filter box 7 has mounting holes 21 on both the front and rear sides. T-shaped mounting blocks 22 are installed on the mounting holes 21. The T-shaped mounting blocks 22 are installed on the outer wall of the filter box 7 by screws and sealing gaskets. Filter plates 20 are fixedly installed on the T-shaped mounting blocks 22. Filter plates 20 filter the sewage passing through the filter channel 14.

[0047] Key reference Figure 5 The two filter plates 20 on the front and back sides are placed on the same longitudinal line.

[0048] Key reference Figure 2-3 , Figure 5-7The partition plate 15 has a second sliding groove 39 on both its front and rear sides, a middle channel 40 in its middle, and a slot 43 on its left side. The second sliding groove 39, the slot 43, and the middle channel 40 are connected. A third rotating column 44 is rotatably connected within the middle channel 40. A gear 45 is fixedly connected to the outer wall of the third rotating column 44. Two racks 42 are slidably connected within the middle channel 40 through two limiting sliding grooves 41. The two racks 42 are positioned on the front and rear sides of the gear 45, and the gear 45 meshes with the two racks 42 simultaneously. A fourth connecting strip 47 is fixedly connected to each of the two racks 42 on one side of the slot 43. Each of the two fourth connecting strips 47 is connected to a third sealing connection. Two third sealing connecting strips 46 are respectively limited and slidably connected within two second sliding grooves 39. Each of the two third sealing connecting strips 46, on the side away from the fourth connecting strip 47, is connected to a second connecting strip 38 and a sealing piston plate 35. The two second connecting strips 38 are respectively placed within two filter channels 14. Each of the two second connecting strips 38 has a scraper ring 36 connected to its right side, and each of the two scraper rings 36 has a first connecting strip 37 connected to its right side. A sealing piston plate 35 is fixedly connected to the right side of each first connecting strip 37. The two sealing piston plates 35 are respectively limited and slidably connected within two filter channels 14, working in conjunction with the third sealing connecting strips 46 slidably connected within the second sliding grooves 39 to seal the filter channels 14. A rubber layer is provided on the surface of the third sealing connecting strip 46, ensuring that wastewater does not enter the corresponding second connecting pipe 6 from the second sliding groove 39 when sealing the filter channels 14.

[0049] Key reference Figure 1 , Figure 7 A motor 8 is fixedly installed at the bottom of the filter box 7, and the power output end of the motor 8 is connected to the third rotating column 44.

[0050] Key reference Figure 2-3 , Figure 5-7 The partition plate 15 has a connecting water channel 13 that connects the two filter channels 14. The connecting water channel 13 is located at the bottom of the second slide 39, the slot 43, and the intermediate channel 40. The connecting water channel 13 is not connected to the second slide 39, the slot 43, and the intermediate channel 40 on the partition plate 15. That is, the connecting water channel 13 is at the bottom of the second slide 39, the slot 43, and the intermediate channel 40.

[0051] Key reference Figure 2-3 , Figure 5-7 The first connecting pipe 5 is connected to one of the filter channels 14. Initially, the two sealing piston plates 35 are on the same longitudinal line. At this time, the two sealing piston plates 35 and the third sealing connecting strip 46 can prevent the sewage entering the filter channel 14 from the first connecting pipe 5 from entering the two second connecting pipes 6, thereby preventing sewage from entering the MVR evaporator body 1, which is equivalent to closing the valve.

[0052] When the motor 8 is started, the two sealing piston plates 35 move away from each other. At this time, one of the sealing piston plates 35 and the third sealing connecting strip 46 block the filter channel 14 on it, while the other sealing piston plate 35 and the third sealing connecting strip 46 no longer block the filter channel 14 on it, so that only one filter plate 20 performs filtration. For example, the first connecting pipe 5 is connected to the rear filter channel 14. The rear sealing piston plate 35 and the third sealing connecting strip 46 move to the right to block the filter channel 14 on it. At this time, the sewage entering the rear filter channel 14 enters the front filter channel 14 through the connecting water channel 13. At this time, the front sealing piston plate 35 is placed on the left side of the connecting water channel 13. The sewage flows from the connecting water channel 13 into the front filter plate 20 and is filtered before entering the MVR evaporator body 1.

[0053] Example 2: Based on Example 1, the technology of automatically detecting whether the filter plate 20 for filtering wastewater is clogged is added.

[0054] This embodiment mainly includes a second elastic telescopic component 31 and a circular foam board 30.

[0055] Key reference Figure 6 At least two second elastic telescopic members 31 are fixedly connected to the side of the two sealing piston plates 35 near the filter plate 20. The side of the two second elastic telescopic members 31 away from the sealing piston plates 35 is fixedly connected to a circular foam board 30. A waterproof proximity sensor 33 is installed on the sealing piston plate 35. A metal sheet 32 ​​that can cooperate with the waterproof proximity sensor 33 is installed on the circular foam board 30.

[0056] The waterproof proximity sensor 33 transmits signals in two ways:

[0057] The first method involves installing a battery and a microcontroller inside a sealed piston plate 35. The microcontroller also includes a signal contact module and a signal output module. When the waterproof proximity sensor 33 engages with the metal plate 32, a signal is generated and sent to the microcontroller. The microcontroller then transmits the information to an external controller via a wireless signal, which in turn controls the operation of the motor 8.

[0058] The second type: The waterproof proximity sensor 33 is connected to the signal line and the power line. The signal line and the power line pass through the filter box 7 through the seal and are connected to the external controller. The signal obtained by the waterproof proximity sensor 33 is transmitted to the external controller, and the external controller controls the operation of the motor 8.

[0059] The other structures of Example 2 are the same as those of Example 1.

[0060] Example 3: Based on Example 2, a technical means to facilitate the disassembly of the filter plate 20 is added.

[0061] This embodiment mainly includes a slide rail 25 and a second slide plate 28.

[0062] Key reference Figure 2 , Figure 5 , Figure 6 Each of the two filter channels 14 is fixedly connected to a slide rail 25, which is placed between the filter plate 20 and the annular foam board 30. The slide rail 25 is slidably connected to a second slide plate 28 at its upper limit. A push plate 24 is fixedly connected to the second slide plate 28. A mating plate 23 is fixedly connected to the filter plate 20. The push plate 24 can press against the mating plate 23. A first elastic telescopic member 27 is fixedly connected to the side of the slide rail 25 away from the filter plate 20. A first slide plate 26 is fixedly connected to the side of the first elastic telescopic member 27 away from the slide rail 25. A push rod 34 is fixedly connected to the sealing piston plate 35. The push rod 34 passes through the hole in the middle of the annular foam board 30 and can press against the first slide plate 26.

[0063] The other structures of Example 3 are the same as those of Example 2.

[0064] Key reference Figure 8 Both the first elastic telescopic member 27 and the second elastic telescopic member 31 include a telescopic sleeve 49, a telescopic rod 48 is slidably connected inside the telescopic sleeve 49, and a spring 50 is provided between the inner bottom of the telescopic sleeve 49 and the telescopic rod 48.

[0065] The telescopic sleeve 49 is connected to the sealing piston plate 35, and the telescopic rod 48 is connected to the circular foam board 30;

[0066] Alternatively, the telescopic sleeve 49 can be connected to the first slide plate 26, and the telescopic rod 48 can be connected to the slide rail 25.

[0067] In practice:

[0068] To perform wastewater filtration: First, loosen the two nuts 19 and lift the left side of the filter box 7. Then, when the left side of the filter box 7 is lifted to a preset angle, tighten the two nuts 19 to keep the mounting plate 16 and the threaded support rod 11 fixed. At this time, the threaded support rod 11 moves horizontally to the right by a preset distance, ultimately causing the filter box 7 to tilt downwards to the right. That is, the water in the filter box 7 tends to flow to the right under the influence of gravity. Initially, the first connecting pipe 5 is placed to the left of the two sealing piston plates 35. The two sealing piston plates 35, together with the third sealing connecting strip 46, seal the two filter channels 14, preventing wastewater from entering the MVR evaporator body 1. The motor 8 is started, causing the third rotating column 44 and gear 45 to rotate. This causes the two racks 42, the fourth connecting strip 47, the third sealing connecting strip 46, and the sealing piston plate 35 to move in opposite directions. At this time, the rear sealing piston plate 35 moves to the right and the front sealing piston plate 35 moves to the left. The rear sealing piston plate 35 and the third sealing connecting strip 46 seal the rear filter channel 14 and the second slide groove 39. With the connection of the connecting water channel 13, the sewage entering the front filter channel 14 through the connecting water channel 13 can enter the front filter channel 14 and flow into the MVR evaporator body 1 from the front second connecting pipe 6. At this time, wastewater is slowly and continuously poured into the wastewater tank 2. The wastewater enters the rear filter channel 14 through the first connecting pipe 5 and is blocked by the rear sealing piston plate 35 and the third sealing connecting strip 46. The wastewater enters the front filter channel 14 through the connecting waterway 13, and then enters the front second connecting pipe 6 through the front filter plate 20 and enters the MVR evaporator body 1 for concentration treatment. This achieves pre-filtration of wastewater, reduces the amount of dirt on the tank wall of the MVR evaporator body 1, and thus reduces its service life.

[0069] When the front filter plate 20 is blocked, the wastewater cannot flow out properly, and the wastewater in the front filter channel 14 will accumulate. This wastewater will then reach the front annular foam plate 30, causing it to be lifted by buoyancy. At this time, the waterproof proximity sensor 33 senses the signal from the metal plate 32, receiving information that the front filter plate 20 is blocked. The motor 8 then reverses, causing the front sealing piston plate 35 and the third sealing connecting strip 46 to move to the right, blocking the connecting water channel 13. This allows the water inside to flow out of the connecting water channel 13. The wastewater is squeezed into the rear filter channel 14 or the wastewater tank 2, and then left to stand for a preset time, allowing the residual wastewater on the front side to gradually flow out from the front filter plate 20. At this time, the motor 8 continues to reverse, causing the front sealing piston plate 35 and the third sealing connecting strip 46 to continue moving to the right to block the front filter channel 14. The rear sealing piston plate 35 and the third sealing connecting strip 46 move to the left and to the left side of the first connecting pipe 5. At this time, the wastewater flows from the rear filter channel 14, filter plate 20, and second connecting pipe 6 into the MVR evaporator body 1. This allows for the replacement of a new channel for wastewater filtration pretreatment when one of the filter plates 20 is blocked.

[0070] When it is necessary to replace the front filter plate 20, the T-shaped mounting block 22 and the filter plate 20 may be difficult to remove after long-term installation. First, unscrew the screws of the front T-shaped mounting block 22 on the filter box 7, and then continue to reverse the motor 8 to make the front sealing piston plate 35 and push rod 34 continue to move to the right. At this time, the push rod 34 pushes the first slide plate 26, and with the cooperation of the hinge rod 29, the push plate 24 lifts the mating plate 23 to push out the filter plate 20 and the T-shaped mounting block 22, so that it is easy for personnel to remove the filter plate 20.

[0071] When it is necessary to remove foreign objects from the left side chamber of the two filter channels 14, first position the two sealing piston plates 35 to the right of the first connecting pipe 5, then loosen the two nuts 19 so that the filter box 7 is tilted to the lower left. Then tighten the two nuts 19. Remove the sealing plate 9 and pour clean water into the sewage tank 2. At this time, move the two scraper rings 36 back and forth to the right to scrape away the foreign objects and dirt on the two filter channels 14, and let them flow out through the left side of the filter channel 14, completing the cleaning operation.

[0072] When a preset amount of water is added into the MVR evaporator body 1, the sealing plate 9 is blocked. The two sealing piston plates 35 and the third sealing connecting strip 46 can block the filter box 7, so that no more water is added into the MVR evaporator body 1.

[0073] The technical scope of this invention is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this invention, and all such modifications and variations should fall within the protection scope of this invention.

Claims

1. A MVR evaporator for sewage treatment, characterized by, include: Sewage tank (2); MVR evaporator body (1); The filtration mechanism includes a filter box (7), which is equipped with an adjustment mechanism for adjusting its tilt angle. The filter box (7) is equipped with a partition plate (15) inside, which divides the filter box (7) into two filtration channels (14). Each of the two filtration channels (14) is equipped with a detachable filter screen structure. Each of the two filtration channels (14) is equipped with a blocking structure. The blocking structure is equipped with a blockage detection structure on the side of the filter screen structure. A second connecting pipe (6) is installed on the side of the filtration channel (14) near the filter screen structure. Both of the second connecting pipes (6) are connected to the wastewater inlet of the MVR evaporator body (1). The filter box (7) is equipped with a sealing blocking plate (9) that blocks the other side of the two filtration channels (14). The partition plate (15) has a connecting waterway (13) that connects the two filter channels (14). The outlet of the sewage tank (2) is connected to one of the filter channels (14). When the two sealing structures are placed on the same longitudinal line, the wastewater entering from the sewage tank (2) is blocked from entering the MVR evaporator body (1). The partition plate (15) is provided with a driving mechanism, which causes two sealing structures placed on the same longitudinal line to be far apart from each other, so that only one filter channel (14) can transmit wastewater into the MVR evaporator body (1).

2. The MVR evaporator for sewage treatment according to claim 1, characterized in that, The outlet of the sewage tank (2) is connected to a first connecting pipe (5), which is connected to one of the filter channels (14).

3. The MVR evaporator for sewage treatment according to claim 1, characterized in that, The bottom of the sewage tank (2) is conical, and the bottom of the sewage tank (2) is pressed inside the annular mounting plate (3). The bottom of the annular mounting plate (3) is fixedly connected to a first support rod (4).

4. The MVR evaporator for wastewater treatment according to claim 1, characterized in that, The adjustment mechanism includes two first rotating columns (12). The first rotating columns (12) are rotatably connected to the front and rear sides of the right side of the filter box (7). The two first rotating columns (12) are fixedly connected to the second support rods (10). The two left rotating columns (7) are rotatably connected to the front and rear sides of the left side of the filter box (7). The two second rotating columns (17) are fixedly connected to the mounting plates (16). The two mounting plates (16) are provided with first sliding grooves (18). The first sliding grooves (18) are provided with threaded support rods (11). The threaded support rods (11) are threaded with two nuts (19). The two nuts (19) are placed at the top and bottom of the mounting plates (16).

5. The MVR evaporator for wastewater treatment according to claim 2, characterized in that, The filter structure includes a filter plate (20), on which a T-shaped mounting block (22) is installed. The filter box (7) has a mounting hole (21), and the T-shaped mounting block (22) is installed in the mounting hole (21). The filter plate (20) filters the sewage in the corresponding filter channel (14).

6. The MVR evaporator for wastewater treatment according to claim 5, characterized in that, The sealing structure includes a sealing piston plate (35), which is slidably connected to the corresponding filter channel (14) for sealing and limiting. A scraper ring (36) is fixedly connected to the side of the sealing piston plate (35) away from the filter structure via a first connecting strip (37). The scraper ring (36) can scrape away foreign objects or dirt in the filter channel (14).

7. The MVR evaporator for wastewater treatment according to claim 6, characterized in that, The blockage detection structure includes a second elastic telescopic member (31) and a circular foam board (30). At least two second elastic telescopic members (31) are fixedly connected to the side of the sealing piston plate (35) near the filter structure. The two second elastic telescopic members (31) are fixedly connected to the side of the sealing piston plate (35) away from the sealing piston plate (35). A waterproof proximity sensor (33) is installed on the sealing piston plate (35). A metal sheet (32) that can cooperate with the waterproof proximity sensor (33) is installed on the circular foam board (30).

8. The MVR evaporator for wastewater treatment according to claim 7, characterized in that, The driving mechanism includes a third rotating column (44). The front and rear sides of the partition plate (15) are provided with second sliding grooves (39). A middle channel (40) is provided in the middle of the partition plate (15). A slot (43) is provided on the left side of the partition plate (15). The second sliding groove (39), slot (43), and middle channel (40) are connected. The connecting waterway (13) is not connected to the second sliding groove (39), slot (43), and middle channel (40), and is located at the bottom of the second sliding groove (39), slot (43), and middle channel (40). The third rotating column (44) is rotatably connected within the middle channel (40). A gear (45) is fixedly connected to the outer wall of the third rotating column (44). Two gears pass through the middle channel (40). Each limiting groove (41) has two racks (42) for limiting sliding connection. The gear (45) meshes with the two racks (42) at the same time. The two racks (42) are fixedly connected to a fourth connecting strip (47) on one side of the groove (43). The two fourth connecting strips (47) are connected to a third sealing connecting strip (46). The two third sealing connecting strips (46) are respectively sealed and limited slidingly connected in the two second grooves (39). The side of the two third sealing connecting strips (46) away from the fourth connecting strip (47) is connected to a second connecting strip (38) and a sealing piston plate (35). The second connecting strip (38) is placed in the corresponding filter channel (14) and is fixedly connected to the scraper ring (36) in the corresponding filter channel (14). The filter box (7) is fixedly connected to a motor (8) on its outer wall, and the power output end of the motor (8) is connected to the third rotating column (44).

9. The MVR evaporator for wastewater treatment according to claim 8, characterized in that, A slide rail (25) is fixedly connected to each of the two filter channels (14). The slide rail (25) is placed between the filter plate (20) and the annular foam board (30). A second slide plate (28) is slidably connected to the upper limit of the slide rail (25). A push plate (24) is fixedly connected to the second slide plate (28). A mating plate (23) is fixedly connected to the filter plate (20). The push plate (24) can press against the mating plate (23). A first elastic telescopic member (27) is fixedly connected to the side of the slide rail (25) away from the filter plate (20). A first slide plate (26) is fixedly connected to the side of the first elastic telescopic member (27) away from the slide rail (25). A push rod (34) is fixedly connected to the sealing piston plate (35). The push rod (34) passes through the hole in the middle of the annular foam board (30) and can press against the first slide plate (26).

10. An MVR evaporator for wastewater treatment according to claim 9, characterized in that, Both the first elastic telescopic member (27) and the second elastic telescopic member (31) include a telescopic sleeve (49), and a telescopic rod (48) is slidably connected inside the telescopic sleeve (49). A spring (50) is provided between the inner bottom of the telescopic sleeve (49) and the telescopic rod (48). The telescopic sleeve (49) is connected to the sealing piston plate (35), and the telescopic rod (48) is connected to the annular foam board (30); Alternatively, the telescopic sleeve (49) may be connected to the first slide plate (26), and the telescopic rod (48) may be connected to the slide rail (25).

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