CN221037058U - Descaling device suitable for shell-and-tube heat exchanger - Google Patents
Descaling device suitable for shell-and-tube heat exchanger Download PDFInfo
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- CN221037058U CN221037058U CN202322488449.4U CN202322488449U CN221037058U CN 221037058 U CN221037058 U CN 221037058U CN 202322488449 U CN202322488449 U CN 202322488449U CN 221037058 U CN221037058 U CN 221037058U
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- descaling
- shell
- scale
- annular track
- wall
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- 238000007790 scraping Methods 0.000 claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model provides a descaling device suitable for a shell-and-tube heat exchanger, which comprises a tube bundle, a motor and a descaling device; according to the utility model, the limit is realized by utilizing the matching cavity in the guide head, the limit lug and the annular track to match, and the motor drives the roller to rotate through the rotating shaft, so that the guide head and the descaling brush move along the annular track together; meanwhile, the motor also drives the descaling brush on the rotating shaft to rotate, the crushing part on the descaling brush crushes the scale on the surface of the tube bundle, and the scraping part scrapes the scale on the surface of the tube bundle. In summary, the descaling device replaces a manual descaling mode, ensures the descaling effect and improves the descaling efficiency by utilizing the mode that the crushing part crushes the scale and then the scraping part is used for scraping the scale; in addition, the scraping plate in the scraping part is made of hard plastic, so that damage to the surface of the tube bundle is reduced, and the service life of the heat exchanger is prolonged.
Description
Technical Field
The utility model belongs to the technical field of heat exchanger descaling equipment, and particularly relates to a descaling device suitable for a shell-and-tube heat exchanger.
Background
In the daily production process of enterprises, a large amount of high-heat wastewater is often generated, in order to save production cost and sustainable development, enterprises generally recycle the heat in the wastewater, and a device capable of realizing the recycling function is a heat exchanger. The heat exchanger is an energy-saving device for realizing heat transfer between two or more fluids with different temperatures, and is one of main devices for transferring heat from a fluid with a higher temperature to a fluid with a lower temperature, so that the temperature of the fluid reaches the index specified by a flow, thereby meeting the requirements of process conditions and improving the utilization rate of energy. The shell-and-tube heat exchanger is one of heat exchangers, and the heat efficiency of transferring heat to external water by waste water introduced into the tube bundle is extremely high because the wall thickness of the tube bundle in the shell-and-tube heat exchanger is relatively thin. However, the outer surface of the tube bundle in the shell-and-tube heat exchanger is often attached by scale, and the wall thickness of the wrapped tube bundle is increased, so that the heat exchange efficiency is greatly reduced.
After the tube bundle in the shell-and-tube heat exchanger is scaled, the heat exchanger is cleaned by adopting the conventional steam sweeping, back flushing and other modes, but the actual descaling effect is not very good. The heat exchanger can only be detached from the sealing head, and can be manually shoveled, but the descaling efficiency of the mode is poor, the descaling effect is poor, the damage to the surface of the tube bundle is easy to occur, the continuity of industrial production is affected, and the service life of the heat exchanger is not prolonged.
Disclosure of utility model
In order to solve the defects and the shortcomings of the prior art, the descaling device suitable for the shell-and-tube heat exchanger is provided, so that the problems that the efficiency and the effect are poor and the surface of a tube bundle is easily damaged in the descaling process due to manual shoveling of the tube bundle at present can be solved.
The utility model provides a descaling device suitable for a shell-and-tube heat exchanger, which comprises a tube bundle and is used for introducing high-heat wastewater, wherein a descaling device is arranged on the outer surface of the tube bundle and is used for removing scale attached to the outer wall of the tube bundle, the descaling device comprises a rotating shaft, a descaling brush, two groups of guide heads and two groups of annular rails, the descaling brush is fixed in the middle of the rotating shaft and is used for brushing the scale on the outer wall of the tube bundle, the guide heads are arranged at the two ends of the rotating shaft, the annular rails are fixed on the outer wall of the tube bundle, the guide heads are matched with the annular rails to realize the adjustment of descaling positions, one end of the rotating shaft penetrates through the guide heads and is connected with an output shaft of a motor to provide power required during descaling and during the adjustment of the descaling positions, and the motor is fixedly connected with the side wall of the guide heads.
As a further improvement of the scheme, the outer wall of the descaling brush is symmetrically provided with a crushing part and a scraping part, the outer surface of the crushing part is arc-shaped and used for crushing scale on the outer wall of the tube bundle, and the scraping part is formed by combining a plurality of scraping plates and used for scraping the scale on the outer wall of the tube bundle.
As a further improvement of the scheme, the guide head comprises a roller, the rotation center of the roller is fixedly connected with the rotating shaft, the circumference of the roller is tightly contacted with the outer circumferential surface of the annular rail, a shell is sleeved outside the roller, a matching cavity is formed in the bottom of the shell, the annular rail is arranged in the matching cavity, a limit lug is arranged on the lower portion of the matching cavity in opposite direction, and the upper surface of the limit lug is contacted with the lower surface of the annular rail, so that the guide head moves along the annular rail and tightly attached between the roller and the annular rail.
As a further improvement of the scheme, the annular rail is fixedly connected with the tube bundle through a plurality of fixing strips.
As a further improvement of the scheme, the motor is fixedly connected with the fixing lug extending out of the side wall of the guide head through a bolt.
As a further improvement of the above, the scraper in the scraping portion is made of hard plastic material.
The beneficial effects of the utility model are as follows:
compared with the prior art, the descaling device suitable for the shell-and-tube heat exchanger provided by the utility model realizes limit by utilizing the matching cavity in the guide head, the limit lug and the annular track to match, and the motor drives the roller to rotate through the rotating shaft so that the guide head and the descaling brush move along the annular track together; meanwhile, the motor also drives the descaling brush on the rotating shaft to rotate, the crushing part on the descaling brush crushes the scale on the surface of the tube bundle, and the scraping part scrapes the scale on the surface of the tube bundle.
In summary, the descaling device replaces a manual descaling mode, ensures the descaling effect and improves the descaling efficiency by utilizing the mode that the crushing part crushes the scale and then the scraping part is used for scraping the scale; in addition, the scraping plate in the scraping part is made of hard plastic, so that damage to the surface of the tube bundle is reduced, and the service life of the heat exchanger is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of the connection between the guide head, the endless track and a portion of the tube bundle in accordance with the present utility model;
FIG. 3 is a schematic illustration of the connection between the endless track and the tube bundle in accordance with the present utility model;
FIG. 4 is a schematic view of the structure of the rotating shaft, the descaling brush and the guide head according to the present utility model;
FIG. 5 is a schematic view of the structure of the descaling brush of the present utility model;
FIG. 6 is a schematic view of the structure of the guide head of the present utility model;
FIG. 7 is a schematic cross-sectional view of a guide head of the present utility model;
fig. 8 is a bottom view of the guide head of the present utility model.
Wherein: 1-tube bundles; 2-an electric motor; 3-a descaling device; 31-a rotation axis; 32-a descaling brush; 33-a guide head; 34-circular track; 35-fixing strips; 321-crushing part; 322-scraper; 331-a roller; 332-a housing; 333-mating cavity; 334-limit bump.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings, which illustrate in further detail:
The utility model provides a scale removing device suitable for a shell-and-tube heat exchanger, which comprises a tube bundle 1, wherein high-heat waste water is introduced into the tube bundle 1, a scale removing device 3 is arranged on the outer surface of the tube bundle 1, the scale removing device 3 comprises a rotating shaft 31, a scale removing brush 32, two groups of guide heads 33 and two groups of annular rails 34, the middle part of the rotating shaft 31 is fixedly provided with the scale removing brush 32, the scale removing brush 32 is used for brushing the scale on the outer wall of the tube bundle 1, the guide heads 33 are arranged at the two ends of the rotating shaft 31, the annular rails 34 are fixed on the outer wall of the tube bundle 1 through a plurality of fixing strips 35, the guide heads 33 are matched with the annular rails 34 to realize the adjustment of the scale removing position, one end of the rotating shaft 31 passes through the guide heads 33 and is connected with an output shaft of a motor 2 to provide power required during scale removing and during the adjustment of the scale removing position, and the motor 2 is fixedly connected with fixing lugs extending from the side walls of the guide heads 33 through bolts.
The outer wall symmetry of the descaling brush 32 is provided with a crushing part 321 and a scraping part 322, the outer surface of the crushing part 321 is arc-shaped and used for crushing scale on the outer wall of the tube bundle 1, and the scraping part 322 is formed by combining a plurality of scraping plates and made of hard plastic materials and used for scraping the scale on the outer wall of the tube bundle 1.
The guide head 33 comprises a roller 331, the rotation center of the roller 331 is fixedly connected with the rotating shaft 31, the circumferential surface of the roller 331 is tightly contacted with the outer circumferential surface of the annular track 34, a shell 332 is sleeved outside the roller 331, a matching cavity 333 is formed in the bottom of the shell 332, the annular track 34 is arranged in the matching cavity 333, a limit bump 334 is oppositely arranged at the lower part of the matching cavity 333, and the upper surface of the limit bump 334 is contacted with the lower surface of the annular track 34, so that the guide head 33 moves along the annular track 34 and tightly attached between the roller 331 and the annular track 34 is ensured.
The utility model provides a descaling device suitable for a shell-and-tube heat exchanger, when a tube bundle 1 needs to be subjected to descaling operation, two groups of annular rails 34 are fixed on the outer wall of the tube bundle 1 through a plurality of fixing strips 35 or other fixing forms; then, the motor 2 is started to drive the rotating shaft 31 to rotate, so as to drive the descaling brush 32 and the roller 331 in the guide head 33 to rotate, wherein the outer wall of the descaling brush 32 is symmetrically provided with a crushing part 321 and a scraping part 322, the outer surface of the crushing part 321 is arc-shaped, when in rotation, scale on the outer wall of the tube bundle 1 can be crushed, the scraping part 322 is formed by combining a plurality of scrapers made of hard plastic materials, and when in rotation, scale on the outer wall of the tube bundle 1 is scraped; in addition, the roller 331 is tightly attached to the annular track 34, so that the roller 331 drives the guide head 33 to move along the annular track 34, and the descaling position is changed, so that the descaling treatment on all positions of the outer surface of the tube bundle 1 is realized repeatedly.
The above embodiments are not limited to the technical solution of the embodiments, and the embodiments may be combined with each other to form a new embodiment. The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present utility model should be covered in the scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a scale removal device suitable for shell-and-tube heat exchanger, is including tube bank (1) for let in high heat waste water, its characterized in that: the utility model provides a scale removal device for removing scale attached to the outer wall of tube bank (1), be provided with scale removal device (3) on the outer surface of tube bank (1), scale removal device (3) are including rotation axis (31), scale removal brush (32), two sets of direction heads (33) and two sets of annular track (34), the middle part of rotation axis (31) is fixed with scale removal brush (32), is used for brushing out the scale of tube bank (1) outer wall, direction head (33) are all installed at the both ends of rotation axis (31), annular track (34) are fixed on the outer wall of tube bank (1), direction head (33) cooperate with annular track (34) in order to realize the adjustment of scale removal position, the one end of rotation axis (31) is passed direction head (33) and is connected with the output shaft of motor (2) to provide the required power when scale removal and adjustment scale removal position, lateral wall fixed connection of motor (2) and direction head (33).
2. A descaling device for shell-and-tube heat exchangers according to claim 1, wherein: the outer wall symmetry of scale removal brush (32) is provided with crushing portion (321) and striking off portion (322), the surface of crushing portion (321) is the arc for with the incrustation scale crushing on tube bank (1) outer wall, strike off portion (322) are formed by a plurality of scraper blades combination, are used for striking off the incrustation scale on tube bank (1) outer wall.
3. A descaling device for shell-and-tube heat exchangers according to claim 1, wherein: the guide head (33) comprises a roller (331), the rotation center of the roller (331) is fixedly connected with the rotating shaft (31), the circumferential surface of the roller (331) is tightly contacted with the outer circumferential surface of the annular track (34), a shell (332) is sleeved outside the roller (331), a matching cavity (333) is formed in the bottom of the shell (332), the annular track (34) is arranged in the matching cavity (333), a limiting lug (334) is oppositely arranged at the lower part of the matching cavity (333), and the upper surface of the limiting lug (334) is contacted with the lower surface of the annular track (34) so that the guide head (33) moves along the annular track (34) and is tightly attached between the roller (331) and the annular track (34).
4. A descaling device for shell-and-tube heat exchangers according to claim 1, wherein: the annular track (34) is fixedly connected with the tube bundle (1) through a plurality of fixing strips (35).
5. A descaling device for shell-and-tube heat exchangers according to claim 3, wherein: the motor (2) is fixedly connected with the fixing lugs extending out of the side wall of the guide head (33) through bolts.
6. A descaling device for shell-and-tube heat exchangers according to claim 2, characterized in that: the scraping plate in the scraping part (322) is made of hard plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322488449.4U CN221037058U (en) | 2023-09-13 | 2023-09-13 | Descaling device suitable for shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322488449.4U CN221037058U (en) | 2023-09-13 | 2023-09-13 | Descaling device suitable for shell-and-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037058U true CN221037058U (en) | 2024-05-28 |
Family
ID=91181010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322488449.4U Active CN221037058U (en) | 2023-09-13 | 2023-09-13 | Descaling device suitable for shell-and-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037058U (en) |
-
2023
- 2023-09-13 CN CN202322488449.4U patent/CN221037058U/en active Active
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