CN219415835U - Floating head heat exchanger with double sealing - Google Patents
Floating head heat exchanger with double sealing Download PDFInfo
- Publication number
- CN219415835U CN219415835U CN202320785860.5U CN202320785860U CN219415835U CN 219415835 U CN219415835 U CN 219415835U CN 202320785860 U CN202320785860 U CN 202320785860U CN 219415835 U CN219415835 U CN 219415835U
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- Prior art keywords
- floating
- heat exchanger
- sealing
- floating head
- head
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- 238000007789 sealing Methods 0.000 title claims abstract description 75
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001632 homeopathic effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Gasket Seals (AREA)
Abstract
The utility model discloses a floating head heat exchanger with double sealing, which belongs to the field of floating head heat exchangers and comprises a heat exchanger cylinder and an end cover fixedly arranged at one end of the heat exchanger cylinder, wherein a plurality of tube bundles are arranged in the heat exchanger cylinder, one end of each tube bundle is fixedly connected with a floating tube plate, one end of each floating tube plate is abutted against a floating head, one side of each floating tube plate is provided with a first sealing groove, one side of each floating head is fixedly connected with a first sealing block, the outer circumferences of each floating tube plate and each floating head are respectively sleeved with a fixed sleeve, the floating tube plates, the floating heads and the fixed sleeves are fixedly arranged through first bolts, the outer circumferences of the floating tube plates and the floating heads are respectively provided with a second sealing groove, and the inner circumferences of the fixed sleeves are fixedly connected with second sealing blocks; this application can carry out dual seal between floating tube sheet and the floating head, further improves the leakproofness, reduces the emergence of leakage condition.
Description
Technical Field
The utility model belongs to the technical field of floating head heat exchangers, and particularly relates to a floating head heat exchanger with double sealing.
Background
In the floating head type heat exchanger, only one end of tube plates at two ends is fixed with the shell, and the other end of the tube plates can freely move relative to the shell, which is called a floating head. The floating head consists of a floating tube plate, a hook ring and a floating head end cover, and is detachably connected, and the tube bundle can be pulled out from the shell. The thermal deformations of the tube bundle and the shell are not constrained to each other, so that thermal stresses are not generated. Its advantages are easy cleaning between tubes and in tubes, and no thermal stress.
At present, a floating head of an existing floating head heat exchanger is sealed with a floating tube plate through a floating head gasket, and in the use process of the floating head heat exchanger, the floating head gasket is possibly damaged due to the influence of factors such as medium, temperature and the like, so that fluid in a tube bundle leaks, and the fluid for heat exchange is polluted.
Disclosure of Invention
The utility model aims to provide a floating head heat exchanger with double sealing so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a floating head heat exchanger with double seal, includes heat exchanger barrel and fixed mounting at the end cover of heat exchanger barrel one end, the inside of heat exchanger barrel is provided with a plurality of tube bundles, the one end fixedly connected with floating tube sheet of tube bundle, the one end butt of floating tube sheet has the floating head, first seal groove has been seted up to one side of floating tube sheet, one side fixedly connected with first sealing block of floating head, first sealing block is pegged graft in first seal groove, all cup jointed fixed cover on the outer circumference of floating tube sheet and floating head, floating tube sheet, floating head and fixed cover pass through first bolt fixed mounting, all seted up the second seal groove on the outer circumference of floating tube sheet and floating head, fixedly connected with second sealing block on the inner circumference of fixed cover, the second sealing block is pegged graft in the second seal groove.
As a preferred embodiment, the heat exchanger cylinder and the end cover are fixedly arranged through a plurality of second bolts.
As a preferred embodiment, a sealing ring is embedded and fixed between the heat exchanger cylinder and the end cover.
As a preferred embodiment, the joint of the floating tube plate and the floating head is abutted with a sealing ring.
As a preferred embodiment, a first sealing gasket is fixedly connected in the first sealing groove, and the first sealing block abuts against the first sealing gasket.
As a preferred embodiment, a second sealing gasket is fixedly connected in the second sealing groove, and the second sealing block abuts against the second sealing gasket.
Compared with the prior art, the utility model has the beneficial effects that:
according to the floating head heat exchanger with double sealing, through the arrangement of the first sealing groove, the first sealing block and the first sealing gasket, when the floating tube plate is abutted against the floating head, the first sealing block is inserted into the first sealing groove in a homeopathic manner and abutted against the first sealing gasket to extrude the first sealing gasket, so that a reinforcing sealing effect can be achieved between the floating tube plate and the floating head;
this floating head heat exchanger with double seal, through fixed cover, second seal groove, second sealing piece and the setting of second sealed pad, when fixed floating tube sheet and floating head, fixed cover is in the outside of floating tube sheet and floating head, and simultaneously the second sealing piece can insert in the second seal groove to support and extrude the second sealed pad on the second sealed pad, thereby can play double seal effect between floating tube sheet and the floating head, further improve the leakproofness, reduce the emergence of leakage condition.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
fig. 3 is an enlarged view of the structure of fig. 2 a in accordance with the present utility model.
In the figure: 1. a heat exchanger cylinder; 2. an end cap; 3. a tube bundle; 4. a floating tube sheet; 5. a floating head; 6. a first seal groove; 7. a first sealing block; 8. a fixed sleeve; 9. a first bolt; 10. a second seal groove; 11. a second sealing block; 12. a second bolt; 13. a seal ring; 14. a seal ring; 15. a first gasket; 16. and a second gasket.
Detailed Description
The utility model is further described below with reference to examples.
The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.
Referring to fig. 1-3, the utility model provides a floating head heat exchanger with double sealing, which comprises a heat exchanger cylinder 1 and an end cover 2 fixedly arranged at one end of the heat exchanger cylinder 1, wherein the heat exchanger cylinder 1 and the end cover 2 are fixedly arranged through a plurality of second bolts 12, a sealing ring 13 is fixedly embedded between the heat exchanger cylinder 1 and the end cover 2, and the heat exchanger cylinder 1 and the end cover 2 can be sealed through the arrangement of the sealing ring 13.
The inside of heat exchanger barrel 1 is provided with a plurality of tube bundles 3, the one end fixedly connected with floating tube sheet 4 of tube bundle 3, the one end butt of floating tube sheet 4 has floating head 5, the junction butt of floating tube sheet 4 and floating head 5 has sealing ring 14, through sealing ring 14's setting, can play sealed effect to the junction of floating tube sheet 4 and floating head 5, first seal groove 6 has been seted up to one side of floating tube sheet 4, one side fixedly connected with first sealing piece 7 of floating head 5, first sealing piece 7 is pegged graft in first seal groove 6, fixedly connected with first sealing pad 15 in the first seal groove 6, first sealing piece 7 supports tightly on first sealing pad 15, through the setting of first seal groove 6, first sealing piece 7 and first sealing pad 15, when floating tube sheet 4 and floating head 5 butt, first sealing piece 7 can be followed in first seal groove 6, and support and extrude first sealing pad 15 on first sealing pad 15, thereby can play the sealed effect of strengthening to the tube sheet between floating tube sheet 4 and the floating head 5.
The fixed sleeve 8 has all been cup jointed on the outer circumference of floating tube sheet 4 and floating head 5, floating tube sheet 4, floating head 5 and fixed sleeve 8 pass through first bolt 9 fixed mounting, second seal groove 10 has all been seted up on the outer circumference of floating tube sheet 4 and floating head 5, fixedly connected with second sealing block 11 on the inner circumference of fixed sleeve 8, second sealing block 11 peg graft in second seal groove 10, fixedly connected with second sealing pad 16 in the second seal groove 10, second sealing block 11 supports tightly on second sealing pad 16, through the fixed sleeve 8, the setting of second seal groove 10, second sealing block 11 and second sealing pad 16, when fixed floating tube sheet 4 and floating head 5, fixed sleeve 8 overlaps in the outside of floating tube sheet 4 and floating head 5, second sealing block 11 can insert in second seal groove 10 simultaneously, and support and extrude second sealing pad 16 on second sealing pad 16, thereby can play the dual seal effect between floating tube sheet 4 and the floating head 5, further improve the leakproofness, reduce the emergence of the condition.
The working principle and the using flow of the utility model are as follows: firstly, through the arrangement of the first seal groove 6, the first seal block 7 and the first seal gasket 15, when the floating tube plate 4 is abutted against the floating head 5, the first seal block 7 is inserted into the first seal groove 6 in a proper manner and is abutted against the first seal gasket 15 to extrude the first seal gasket 15, so that a reinforcing seal effect can be achieved between the floating tube plate 4 and the floating head 5, and through the arrangement of the fixed sleeve 8, the second seal groove 10, the second seal block 11 and the second seal gasket 16, when the floating tube plate 4 and the floating head 5 are fixed, the fixed sleeve 8 is sleeved outside the floating tube plate 4 and the floating head 5, and meanwhile, the second seal block 11 is inserted into the second seal groove 10 and is abutted against the second seal gasket 16 to extrude the second seal gasket 16, so that a double seal effect can be achieved between the floating tube plate 4 and the floating head 5, the tightness is further improved, and the occurrence of leakage is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a floating head heat exchanger with double seal, includes heat exchanger barrel (1) and fixed mounting end cover (2) in heat exchanger barrel (1) one end, its characterized in that: the inside of heat exchanger barrel (1) is provided with a plurality of tube bundles (3), the one end fixedly connected with floating tube sheet (4) of tube bundle (3), floating tube sheet (4)'s one end butt has floating head (5), first seal groove (6) have been seted up to one side of floating tube sheet (4), one side fixedly connected with first sealing block (7) of floating head (5), first sealing block (7) are pegged graft in first seal groove (6), fixed cover (8) have all been cup jointed on the outer circumference of floating tube sheet (4) and floating head (5), floating tube sheet (4), floating head (5) and fixed cover (8) are through first bolt (9) fixed mounting, second seal groove (10) have all been seted up on the outer circumference of floating tube sheet (4) and floating head (5), fixedly connected with second sealing block (11) on the inner circumference of fixed cover (8), second sealing block (11) are pegged graft in second seal groove (10).
2. A floating head heat exchanger with double seal as claimed in claim 1 wherein: the heat exchanger cylinder body (1) and the end cover (2) are fixedly arranged through a plurality of second bolts (12).
3. A floating head heat exchanger with double seal as claimed in claim 1 wherein: a sealing ring (13) is fixedly embedded between the heat exchanger cylinder (1) and the end cover (2).
4. A floating head heat exchanger with double seal as claimed in claim 1 wherein: the joint of the floating tube plate (4) and the floating head (5) is abutted with a sealing ring (14).
5. A floating head heat exchanger with double seal as claimed in claim 1 wherein: the first sealing groove (6) is internally and fixedly connected with a first sealing gasket (15), and the first sealing block (7) is abutted against the first sealing gasket (15).
6. A floating head heat exchanger with double seal as claimed in claim 1 wherein: and a second sealing gasket (16) is fixedly connected in the second sealing groove (10), and the second sealing block (11) is abutted against the second sealing gasket (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320785860.5U CN219415835U (en) | 2023-04-11 | 2023-04-11 | Floating head heat exchanger with double sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320785860.5U CN219415835U (en) | 2023-04-11 | 2023-04-11 | Floating head heat exchanger with double sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219415835U true CN219415835U (en) | 2023-07-25 |
Family
ID=87231871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320785860.5U Active CN219415835U (en) | 2023-04-11 | 2023-04-11 | Floating head heat exchanger with double sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219415835U (en) |
-
2023
- 2023-04-11 CN CN202320785860.5U patent/CN219415835U/en active Active
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| GR01 | Patent grant |