Pipeline for MVR (Mechanical Vapor Recompression) evaporation system

Abstract

The utility model discloses a pipeline for an MVR (mechanical vapor recompression) evaporation system, which comprises a water delivery pipeline, a filter is detachably mounted on the water delivery pipeline, a filter plate is fixedly connected in the filter, a first stop valve and a second stop valve are mounted on the water delivery pipeline, and the first stop valve and the second stop valve are respectively mounted on two sides of the filter. The pipeline for the MVR evaporation system further comprises a gas booster pump and a discharging assembly, a gas conveying pipeline is fixedly connected to the gas booster pump, the end, away from the gas booster pump, of the gas conveying pipeline is fixedly connected to the water conveying pipeline, a third stop valve is installed on the gas conveying pipeline, and the discharging assembly is used for discharging crystals in the water conveying pipeline. Compared with the prior art, the pipeline for the MVR evaporation system has the advantages that ammonium sulfate wastewater in the pipeline can be filtered, and filtered crystals can be discharged out of the pipeline, so that the pipeline is not easy to scale and block, and the service life of the pipeline is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of MVR evaporation system pipelines, and in particular relates to a pipeline for an MVR evaporation system. Background Art

[0002] A large amount of ammonium sulfate wastewater is generated during the production of solar panels. If the ammonium sulfate wastewater is discharged directly without proper treatment, it will cause serious pollution to the water body, leading to problems such as destruction of the acid-base balance of the water body, eutrophication of the water body, and blackening and stinking of the water body, thereby threatening the survival of humans and other organisms.

[0003] Currently, MVR evaporation systems are widely used to treat ammonium sulfate wastewater, achieving wastewater reduction and resource utilization. Due to the high solubility and saturation of ammonium sulfate wastewater, crystals easily form during the evaporation process, leading to scaling and blockage in pipelines, shortening their service life.

[0004] Therefore, in order to solve the above technical problems, it is necessary to provide a pipeline for an MVR evaporation system.

[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0006] The purpose of the utility model is to provide a pipeline for an MVR evaporation system, which can filter ammonium sulfate wastewater in the pipeline and discharge the filtered crystals out of the pipeline, making the pipeline less prone to scaling and clogging, which is conducive to extending the service life of the pipeline.

[0007] To achieve the above-mentioned objectives, a specific embodiment of the present invention provides a pipeline for an MVR evaporation system, comprising a water pipeline, a filter being detachably mounted on the water pipeline, a filter plate being fixedly connected to the filter, a first stop valve and a second stop valve being mounted on the water pipeline, the first stop valve and the second stop valve being respectively mounted on either side of the filter, the pipeline for the MVR evaporation system further comprising: a gas booster pump and a discharge assembly, the gas booster pump being fixedly connected to a gas pipeline, an end of the gas pipeline away from the gas booster pump being fixedly connected to the water pipeline, a third stop valve being mounted on the gas pipeline, the discharge assembly being used to discharge crystals in the water pipeline, being capable of filtering ammonium sulfate wastewater in the pipeline and discharging the filtered crystals out of the pipeline, making the pipeline less susceptible to scaling and clogging, thereby facilitating an extended service life of the pipeline.

[0008] In one or more embodiments of the present invention, the discharge assembly includes a fixed block and a discharge column. The fixed block is fixedly connected to the water pipeline. The fixed block is provided with a first through hole matching the inner diameter of the water pipeline.

[0009] In one or more embodiments of the present invention, a through slot is provided on the fixing block, and the discharge column is movably connected in the through slot.

[0010] In one or more embodiments of the present invention, the discharge column is provided with an external thread, the through groove is provided with an internal thread matching the external thread, the discharge column is threadedly connected in the through groove, and the crystals are discharged by rotating the discharge column.

[0011] In one or more embodiments of the present invention, a second through hole matching the first through hole is formed on the discharge column.

[0012] In one or more embodiments of the present invention, a first discharge trough and a second discharge trough are provided on the discharge column, the first discharge trough passes through a side trough wall of the second discharge trough, and the first discharge trough and the second discharge trough are communicated.

[0013] In one or more embodiments of the present invention, an end cover is inserted into the second discharge trough, and the end cover is wrapped with a rubber layer. The second discharge trough is blocked by the end cover, thereby increasing the pressure in the water pipeline.

[0014] In one or more embodiments of the present invention, a limiting ring is integrally formed on the discharge column. When the upper end face of the limiting ring is affixed to the lower end face of the fixed block, the first discharge trough can be aligned with the first through hole, which can facilitate the removal of crystal particles in the water pipeline.

[0015] In one or more embodiments of the present invention, a handle is fixedly connected to the discharge column, and the handle has the same opening direction as the second through hole.

[0016] In one or more embodiments of the present invention, the filter plate is a polyethylene filter plate, which can resist the erosion of various acid and alkali solutions, is inexpensive, has excellent wear resistance, and can withstand long-term friction.

[0017] Compared with the prior art, the MVR evaporation system pipeline of the utility model can filter the ammonium sulfate wastewater in the pipeline and discharge the filtered crystals out of the pipeline, making the pipeline less prone to scaling and clogging, which is beneficial to extending the service life of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some of the embodiments described in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0019] Figure 1 This is a process flow diagram of a pipeline for an MVR evaporation system in one embodiment of the present utility model;

[0020] Figure 2 This is a schematic structural diagram of a pipeline for an MVR evaporation system in one embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of a pipeline in use for an MVR evaporation system in one embodiment of the present utility model;

[0022] Figure 4 This is a schematic structural diagram of a filter for a pipeline of an MVR evaporation system in one embodiment of the present utility model;

[0023] Figure 5 This is a schematic structural diagram of a discharge assembly for a pipeline of an MVR evaporation system in one embodiment of the present utility model;

[0024] Figure 6 This is a partial cross-sectional view of a pipeline for an MVR evaporation system in one embodiment of the present utility model;

[0025] Figure 7 This is a cross-sectional view of a discharge assembly of a pipeline for an MVR evaporation system in one embodiment of the present invention.

[0026] Description of main reference numerals:

[0027] 1. Water pipeline; 11. First stop valve; 12. Second stop valve; 2. Filter; 21. Filter plate; 3. Gas booster pump; 31. Gas pipeline; 311. Third stop valve; 4. Fixing block; 401. First through hole; 41. Through groove; 411. Internal thread; 5. Discharge column; 501. Second through hole; 502. First discharge chute; 51. External thread; 52. Limiting ring; 53. Second discharge chute; 54. Handle; 55. End cover; 551. Rubber layer. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0029] like Figures 1 to 4 As shown, a pipeline for an MVR evaporation system in one embodiment of the present invention includes a water pipeline 1, on which is mounted a filter 2, which is detachably connected to the water pipeline 1 via a flange. A filter plate 21 is bonded to the interior of the filter 2. Specifically, ammonium sulfate wastewater in the water pipeline 1 flows from the second stop valve 12 toward the first stop valve 11. The filter plate 21 filters crystals in the ammonium sulfate wastewater in the water pipeline 1, preventing them from entering the equipment and thus protecting it.

[0030] After long-term use, more and more crystals will form on the filter plate 21, which may clog the filter plate 21. The filter plate 21 needs to be cleaned. A first stop valve 11 and a second stop valve 12 are installed on the water pipeline 1. The first stop valve 11 and the second stop valve 12 are respectively installed on both sides of the filter 2. The water pipeline 1 is also installed with a gas booster pump 3. A gas pipeline 31 is welded to the gas booster pump 3. The end of the gas pipeline 31 away from the gas booster pump 3 is welded to the water pipeline 1. The connection between the gas pipeline 31 and the water pipeline 1 is located between the filter 2 and the first stop valve 11. The gas pipeline 31 is installed with a third stop valve 311.

[0031] Specifically, when the MVR evaporation system is operating, the first stop valve 11 and the second stop valve 12 are open, while 13 is closed. After the MVR evaporation system completes operation, the first stop valve 11 is closed, the third stop valve 311 is opened, and the gas booster pump 3 is started. High-pressure gas from the gas booster pump 3 enters the water pipeline 1 through the gas pipeline 31. Because the first stop valve 11 blocks the rear end of the water pipeline 1, the high-pressure gas can only flow toward the filter plate 21, blowing off the crystallized particles on the filter plate 21 and preventing clogging of the filter plate 21 by crystals.

[0032] Preferably, the filter plate 21 is a polyethylene filter plate, which can resist the erosion of various acid and alkali solutions, is inexpensive, has excellent wear resistance, and can withstand long-term friction.

[0033] It is worth noting that, although the crystals on the filter plate 21 are blown off, these crystals accumulate in front of the filter plate 21 , causing the inner wall of the water pipe 1 to be corroded.

[0034] like Figures 5 to 7 As shown, to discharge the crystallized particles out of the water pipeline 1, a discharge assembly is installed on the water pipeline 1. The discharge assembly includes a fixed block 4 and a discharge column 5. The fixed block 4 is installed at the front end of the water pipeline 1 and separates the water pipeline 1 into two independent sections. The water pipeline 1 divided into two sections by the fixed block 4 is welded to two opposite side walls of the fixed block 4. The fixed block 4 has a first through hole 401 that matches the inner wall of the water pipeline 1. The ammonium sulfate wastewater in the water pipeline 1 can pass through the first through hole 401 and flow to the filter plate 21.

[0035] Meanwhile, a through slot 41 is defined in the fixed block 4 and extends through the fixed block 4. The discharge column 5 is movably connected within the through slot 41. Specifically, the discharge column 5 is provided with an external thread 51, and the through slot 41 is provided with an internal thread 411 that matches the external thread 51. The discharge column 5 is threadedly connected within the through slot 41. The discharge column 5 is also defined with a second discharge slot 53. The second discharge slot 53 is provided with a first discharge slot 502 that matches the first through hole 401. The first discharge slot 502 and the second discharge slot 53 are in communication.

[0036] Specifically, to discharge the crystals deposited in the water pipeline 1, the discharge column 5 is rotated so that the second discharge trough 53 on the discharge column 5 is aligned with the first through-hole 401 on the fixed block 4. At this time, the gas booster pump 3 is turned on. Because the second discharge trough 53 is connected to the air in the water pipeline 1, the high-pressure gas output by the gas booster pump 3 under the action of atmospheric pressure can blow the crystals on the filter plate 21 and the crystals accumulated in front of the filter plate 21 into the second through-hole 501, and then discharge them from the second discharge trough 53.

[0037] Furthermore, to facilitate alignment of the first discharge trough 502 with the first through hole 401, a limit ring 52 is integrally formed on the discharge column 5. Specifically, when the discharge column 5 is rotated and the upper end surface of the limit ring 52 abuts against the lower end surface of the fixed block 4, the first discharge trough 502 is aligned with the first through hole 401, thereby facilitating the removal of crystallized particles from the water pipe 1.

[0038] It is worth noting that the crystals in the water supply pipe 1 are large and small, and larger crystals may not be blown away by the high-pressure gas. In order to increase the gas pressure in the water supply pipe 1, an end cover 55 is inserted into the second discharge trough 53. The end cover 55 is wrapped with a rubber layer 551. The end cover 55 is inserted into the second discharge trough 53 through an interference fit of the rubber layer 551.

[0039] Specifically, the first stop valve 11 and the second stop valve 12 are closed at the same time, the second discharge trough 53 is blocked by the end cover 55, and the high-pressure gas output from the gas booster pump 3 is further pressurized in the water pipeline 1. When the pressure reaches a certain level, the second discharge trough 53 will be squeezed out by the air pressure in the water pipeline 1, and the high-pressure gas in the water pipeline 1 is quickly discharged from the second discharge trough 53, so that the larger crystals in the water pipeline 1 can be blown into the second discharge trough 53 and discharged from the water pipeline 1.

[0040] Further, such as Figure 2 and Figure 7 As shown, after the crystals in the water pipeline 1 are discharged, a second through hole 501 is formed on the discharge column 5 to match the first through hole 401, so that the water pipeline 1 can normally transport the ammonium sulfate wastewater. Specifically, when the discharge column 5 is rotated, when the upper end surface of the discharge column 5 is flush with the upper end surface of the fixed block 4, the second through hole 501 also coincides with the first through hole 401. In this way, the discharge column 5 not only does not block the flow of the ammonium sulfate wastewater in the water pipeline 1, but also blocks the through groove 41, preventing the ammonium sulfate wastewater from leaking.

[0041] A handle 54 is welded to the discharge column 5, matching the second through-hole 501. When rotating the discharge column 5, the handle 54 can be grasped for better force. Furthermore, when the handle 54 is perpendicular to the central axis of the water pipeline 1, the discharge column 5 can block the first through-hole 401. Specifically, when replacing the filter plate 21, rotating the discharge column 5 so that the external thread 51 is perpendicular to the central axis of the water pipeline 1 prevents the second shut-off valve 12 from being too far from the filter plate 21, which could cause excessive outflow of ammonium sulfate wastewater from the water pipeline 1.

[0042] During use, close the first stop valve 11 and the filter 2, then rotate the discharge column 5. When the limit ring 52 is in contact with the fixed block 4, open the third stop valve 311 and start the gas booster pump 3. The high-pressure gas output from the gas booster pump 3 enters the water pipeline 1 through the gas pipeline 31. Since the first stop valve 11 and the second stop valve 12 respectively block the front and rear ends of the water pipeline 1, the high-pressure gas flows toward the first discharge trough 502 and then is discharged through the second discharge trough 53. During the flow of high-pressure gas, the crystals on the filter plate 21 are blown off, and the crystals in the water pipeline 1 are also blown into the first discharge trough 502 and finally discharged from the second discharge trough 53.

[0043] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0044] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A pipeline for an MVR evaporation system, including a water delivery pipeline, characterized in that: A filter is detachably mounted on the water delivery pipeline, a filter plate is fixedly connected to the filter, a first stop valve and a second stop valve are mounted on the water delivery pipeline, the first stop valve and the second stop valve are respectively mounted on both sides of the filter, and the MVR evaporation system pipeline further includes: A gas booster pump, wherein the gas booster pump is fixedly connected to a gas pipeline, one end of the gas pipeline away from the gas booster pump is fixedly connected to the water pipeline, and a third shut-off valve is installed on the gas pipeline; A discharge component is used to discharge crystals in the water pipeline.

2. The MVR evaporation system pipeline according to claim 1, characterized in that: The discharge assembly includes a fixed block and a discharge column. The fixed block is fixedly connected to the water pipeline. The fixed block is provided with a first through hole matching the inner diameter of the water pipeline.

3. The pipeline for an MVR evaporation system according to claim 2, characterized in that: A through slot is provided on the fixing block, and the discharge column is movably connected in the through slot.

4. The pipeline for an MVR evaporation system according to claim 3, characterized in that: The discharge column is provided with an external thread, the through groove is provided with an internal thread matching the external thread, and the discharge column is threadedly connected in the through groove.

5. The pipeline for an MVR evaporation system according to claim 2, characterized in that: The discharge column is provided with a second through hole matching the first through hole.

6. The pipeline for an MVR evaporation system according to claim 2, characterized in that: The discharge column is provided with a first discharge trough and a second discharge trough, wherein the first discharge trough passes through a side trough wall of the second discharge trough, and the first discharge trough and the second discharge trough are communicated.

7. The pipeline for an MVR evaporation system according to claim 6, characterized in that: An end cover is inserted into the second discharge chute, and the end cover is wrapped with a rubber layer.

8. The pipeline for an MVR evaporation system according to claim 6, characterized in that: A limiting ring is integrally formed on the discharge column.

9. The pipeline for an MVR evaporation system according to claim 5, characterized in that: A handle is fixedly connected to the discharge column, and the handle has the same opening direction as the second through hole.

10. The pipeline for an MVR evaporation system according to any one of claims 1 to 9, characterized in that: The filter plate is a polyethylene filter plate.

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