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CN-224207410-U - Anti-blocking tube bundle structure of multi-effect MVR evaporator of integrated Roots compressor

CN224207410UCN 224207410 UCN224207410 UCN 224207410UCN-224207410-U

Abstract

The utility model relates to the technical field of evaporators, in particular to an anti-blocking tube bundle structure of a multi-effect MVR evaporator of an integrated Roots compressor, which comprises a pipeline body, a fixing seat and a fixing screw, wherein a mounting part is arranged on a bent pipe part of the pipeline body, an extending groove is formed in the mounting part, an extending part is arranged on the fixing seat, the fixing seat is mounted on the mounting part through the fixing screw so that the extending part extends into the inner side of the bent pipe part through the extending groove, and the first side surface of the extending part inclines towards fluid in the pipeline body. According to the anti-blocking tube bundle structure of the evaporator, the first side face of the extending part of the fixing seat is positioned on the inner side of the bent tube part to serve as a flow guide face for fluid on the inner side of the bent tube part, so that the fluid on the inner side of the bent tube part flows towards the middle of the bent tube part along the first side face of the extending part, the flow speed of fluid feed liquid is improved when the fluid feed liquid passes through the bent tube part, the problem that crystallization deposition is easy to occur at the inner side of the bent tube part, and the blockage of a pipeline body is caused is solved.

Inventors

  • SHEN XIAOMING
  • ZHOU ZHENGQUAN
  • YAN XINPING
  • LU JIANBO
  • LI NA
  • HUANG JIAN

Assignees

  • 江苏科诚节能科技有限公司

Dates

Publication Date
20260508
Application Date
20250603

Claims (10)

  1. 1. The utility model provides an anti-blocking tube bundle structure of multi-effect MVR evaporator of integrated roots compressor, its characterized in that, including pipeline body (1), fixing base (2) and set screw (3), be provided with installation department (12) on return bend portion (11) of pipeline body (1), set up on installation department (12) and stretch into groove (13), be provided with on fixing base (2) and stretch into portion (21), fixing base (2) are installed on installation department (12) through set screw (3) so that stretch into portion (21) and stretch into the inboard of return bend portion (11) through stretching into groove (13), and stretch into the first side slope of portion (21) and come to towards fluid in pipeline body (1).
  2. 2. The multi-effect MVR evaporator anti-blocking tube bundle structure of an integrated roots compressor according to claim 1, characterized in that the end of the protruding portion (21) is provided with a flexible cap (4).
  3. 3. The anti-blocking tube bundle structure of the multi-effect MVR evaporator of the integrated Roots compressor according to claim 2, further comprising a driving rod (6) and a sliding seat (5), wherein the driving rod (6) is rotationally arranged on the fixed seat (2), the sliding seat (5) is slidingly arranged in a mounting cavity (22) formed in the fixed seat (2), a threaded column part (61) formed in the driving rod (6) is in threaded fit with the sliding seat (5), and the driving rod (6) is driven to rotate to drive the sliding seat (5) to slidingly push the flexible cap (4) to deform and arch towards the outer side of the extending part (21).
  4. 4. The multi-effect MVR evaporator anti-blocking tube bundle structure of an integrated roots compressor according to claim 3, further comprising a heat preservation seat (8) on which a fixing portion (81) is arranged, wherein a through hole is formed in the fixing portion (81), and the heat preservation seat (8) surrounds the hoop to the outer side of the bent tube portion (11) through the fixing portion (81) and a bolt.
  5. 5. The multi-effect MVR evaporator anti-blocking tube bundle structure of an integrated roots compressor according to claim 4, wherein a clamping portion (82) is arranged on the heat preservation seat (8), and the clamping portion (82) is clamped on the periphery side of the driving rod (6).
  6. 6. The anti-blocking tube bundle structure of the multi-effect MVR evaporator of the integrated Roots compressor according to claim 1, wherein the second side surface of the extending part (21) is provided with an arc-shaped diversion trench (23).
  7. 7. The multi-effect MVR evaporator anti-blocking tube bundle structure of an integrated roots compressor according to claim 1, further comprising a sealing ring (7) fixedly arranged in a mounting groove (25) formed in the fixing seat (2), wherein the sealing ring (7) is abutted against the mounting portion (12).
  8. 8. The multi-effect MVR evaporator anti-blocking tube bundle structure of the integrated Roots compressor according to claim 3, wherein the fixing seat (2) is provided with a rotating hole (24), and the driving rod (6) is rotatably arranged in the rotating hole (24).
  9. 9. A multi-effect MVR evaporator anti-blocking tube bundle structure of an integrated roots compressor according to claim 3, characterized in that the sliding seat (5) is a teflon article.
  10. 10. A multi-effect MVR evaporator anti-blocking tube bundle structure of an integrated roots compressor according to claim 3, characterized in that the driving rod (6) is a teflon article.

Description

Anti-blocking tube bundle structure of multi-effect MVR evaporator of integrated Roots compressor Technical Field The utility model relates to the technical field of evaporators, in particular to an anti-blocking tube bundle structure of a multi-effect MVR evaporator of an integrated Roots compressor. Background The MVR evaporator is an evaporator which compresses and boosts secondary steam generated in the evaporation process through a Roots compressor, so that the temperature and the enthalpy value of the secondary steam are improved and then are input into a heating chamber as a heat source again to form a closed circulation system. According to publication No. CN205850268U, publication No. 2017.01.04 discloses a heat exchange tube bundle mounting structure capable of being quickly disassembled and assembled, which has reasonable design, simple structure and convenient installation and disassembly, and can be used for disassembling, checking or replacing and maintaining the heat exchange tubes at any time. The quick detachable heat exchange tube bundle mounting structure comprises a tube plate and heat exchange tubes, wherein the quick detachable heat exchange tube bundle mounting structure further comprises a through hole bolt and a sealing ring, a threaded groove is formed in the middle of the tube plate, the through hole bolt and the sealing ring are respectively and adaptively arranged in the threaded groove, a first through hole is formed in the bottom surface of the threaded groove, the through hole bolt, the sealing ring and the first through hole are sequentially and adaptively arranged on the heat exchange tubes, and the sealing ring is arranged between the bottom surface of the threaded groove and the bottom end of the through hole bolt. In the prior art comprising the above patent, the pipe body is used as the main pipe for conveying the feed liquid, however, when the actual production line is arranged, the pipe body bent at 90 degrees can only be adopted to convey the feed liquid required by the evaporator due to the limitation of the field, and the flow rate of the feed liquid near the inner side of the bent pipe is slowed down when the feed liquid passes through the position of the bent pipe lifted by the pipe, so that the inner side of the bent pipe of the pipe body is easy to produce crystallization deposition, and the problem of pipe blockage is caused. Disclosure of utility model The utility model aims to provide an anti-blocking tube bundle structure of a multi-effect MVR evaporator of an integrated Roots compressor, which is used for solving the problems. In order to achieve the purpose, the multi-effect MVR evaporator anti-blocking tube bundle structure of the integrated Roots compressor comprises a pipeline body, a fixing seat and a fixing screw, wherein the bent pipe part of the pipeline body is provided with a mounting part, the mounting part is provided with an extending groove, the fixing seat is provided with an extending part, the fixing seat is mounted on the mounting part through the fixing screw so that the extending part extends into the inner side of the bent pipe part through the extending groove, and the first side face of the extending part inclines towards fluid in the pipeline body. Preferably, the end of the extending portion is provided with a flexible cap. Preferably, the device further comprises a driving rod and a sliding seat, wherein the driving rod is rotationally arranged on the fixed seat, the sliding seat is slidingly arranged in an installation cavity formed in the fixed seat, a threaded column part formed in the driving rod is in threaded fit with the sliding seat, and the driving rod is driven to rotate so as to drive the sliding seat to slide and push the flexible cap to deform and arch towards the outer side of the extending part. Preferably, the heat preservation device further comprises a heat preservation seat, wherein a fixing part is arranged on the heat preservation seat, a through hole is formed in the fixing part, and the heat preservation seat surrounds the hoop to the outer side of the bent pipe part through the fixing part and the bolt. Preferably, the heat preservation seat is provided with a clamping part, and the clamping part is clamped at the periphery side of the driving rod. Preferably, the second side surface of the extending part is provided with an arc-shaped diversion trench. Preferably, the device further comprises a sealing ring fixedly arranged in the mounting groove formed in the fixing seat, and the sealing ring is abutted against the mounting part. Preferably, the fixing seat is provided with a rotation hole, and the driving rod is rotatably arranged in the rotation hole. Preferably, the sliding seat is a teflon product. Preferably, the driving rod is a teflon member. In the technical scheme, the anti-blocking tube bundle structure of the multi-effect MVR evaporator of the integrated Roots compressor has the advantages that