CN203464805U - Corrugated tube sleeve type fixed-tube-sheet heat exchanger - Google Patents
Corrugated tube sleeve type fixed-tube-sheet heat exchanger Download PDFInfo
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- CN203464805U CN203464805U CN201320488380.9U CN201320488380U CN203464805U CN 203464805 U CN203464805 U CN 203464805U CN 201320488380 U CN201320488380 U CN 201320488380U CN 203464805 U CN203464805 U CN 203464805U
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Abstract
The utility model discloses a corrugated tube sleeve type fixed-tube-sheet heat exchanger. The corrugated tube extension type fixed-tube-sheet heat exchanger comprises a shell body, a front outer tube plate, a front inner tube plate, a back inner tube plate, a back outer tube plate, a target fluid distribution cavity, a target fluid collection cavity and a heat exchange cavity, and is characterized in that a front tube box is arranged at the outer side of the front outer tube plate, a second environmental fluid inlet is formed in the front tube box, a back tube box is arranged at the outer side of the back outer tube plate, a second environmental fluid outlet is formed in the back tube body, and a corrugated tube sleeve is evenly arranged in the cavity of the shell body. With the adoption of the corrugated tube sleeve, the original single-face heat exchange is changed into double-face heat exchange, and heat transfer performance and heat transfer coefficient are improved; meanwhile, differential temperature stress is reduced, and no compensation ring is needed when the differential temperature is relatively great.
Description
Technical field
The utility model relates to a kind of improvement of fixed tube-sheet exchanger, specifically a kind of bellows tube bushing type fixed tube-sheet exchanger.
Background technology
Shell-and-tube fixed tube-sheet exchanger is to be enclosed in the wall of restraining in housing as the dividing wall type heat exchanger of heat-transfer area.Tube sheet and the housing at tube bank two ends join together, simple in structure,, be only applicable to cold fluid and hot fluid temperature difference little, and the heat exchange operation of shell side while not needing mechanical cleaning.When the slightly large and shell side pressure of temperature difference is not too high, flexible compensating ring can be installed on housing, to reduce thermal stress.Current fixed tube-sheet exchanger, comprise housing, front outer tube plate, front internal tube plate, rear internal tube plate, rear outer tube plate, target fluid distribution cavity, target fluid collecting chamber and heat exchange chamber, the two ends of housing are fixed with respectively front outer tube plate and rear outer tube plate, in housing chamber, be provided with front internal tube plate and rear internal tube plate, between front outer tube plate and outer internal tube plate, it is target fluid distribution cavity, between front internal tube plate and rear internal tube plate, it is heat exchange chamber, between rear internal tube plate and rear outer tube plate, it is target fluid collecting chamber, on the wall of target fluid distribution cavity, be provided with target fluid import, on the wall of target fluid collecting chamber, be provided with target fluid outlet, on the wall of heat exchange chamber, be respectively equipped with environment liquid import and environment liquid outlet, in heat exchange chamber, evenly lay straight tube, the front port of straight tube is fixed on front internal tube plate, rear port is fixed on rear internal tube plate, target fluid is flowed through straight tube in target fluid distribution cavity, target approach fluid collection chamber, thereby carry out heat exchange, its weak point is: owing to only adopting the mode of one side heat exchange, so heat transfer property and heat transfer coefficient are lower.
Summary of the invention
The purpose of this utility model is to provide a kind of employing bellows tube sleeve pipe, from original one side heat exchange, becomes two-sided heat exchange, improves the bellows tube bushing type fixed tube-sheet exchanger of heat transfer property and heat transfer coefficient.
In order to reach above object, the technical scheme that the utility model adopts is: this bellows tube bushing type fixed tube-sheet exchanger, comprise housing, front outer tube plate, front internal tube plate, rear internal tube plate, rear outer tube plate, target fluid distribution cavity, target fluid collecting chamber and heat exchange chamber, the two ends of housing are fixed with respectively front outer tube plate and rear outer tube plate, in housing chamber, be provided with front internal tube plate and rear internal tube plate, between front outer tube plate and outer internal tube plate, it is target fluid distribution cavity, between front internal tube plate and rear internal tube plate, it is heat exchange chamber, between rear internal tube plate and rear outer tube plate, it is target fluid collecting chamber, on the wall of target fluid distribution cavity, be provided with target fluid import, on the wall of target fluid collecting chamber, be provided with target fluid outlet, on the wall of heat exchange chamber, be respectively equipped with first environment fluid inlet and first environment fluid issuing, it is characterized in that: the outside at front outer tube plate is provided with front header, front header is provided with second environment fluid inlet, outside at rear outer tube plate is provided with rear header, rear header is provided with second environment fluid issuing, in housing chamber, be evenly laid with bellows tube sleeve pipe.
Described bellows tube sleeve pipe, by bellows tube and outer tube, formed, outer tube is set in the middle part of bellows tube, space between outer sleeve inner wall and the outer wall of bellows tube is runner, the front port of bellows tube is located on front outer tube plate, the rear port of bellows tube is located on rear outer tube plate, front header is connected with rear header by the inner chamber of bellows tube, the front port of outer tube is located on front internal tube plate, the rear port of outer tube is located on rear internal tube plate, and target fluid distribution cavity is connected with target fluid collecting chamber by runner.
The bottom of described housing is fixed with base.
The beneficial effects of the utility model are: adopt bellows tube sleeve pipe, from original one side heat exchange, become two-sided heat exchange, improved heat transfer property and heat transfer coefficient, meanwhile, reduce thermal (temperature difference) stress, when Temperature Difference Ratio is larger, do not need to add compensating ring.
Accompanying drawing explanation
Fig. 1 is structure cross-sectional schematic of the present utility model.
Fig. 2 is the axial sectional structure enlarged diagram of bellows tube sleeve pipe of the present utility model.
In figure: 1, housing; 2, front header; 3, front outer tube plate; 4, front internal tube plate; 5, target fluid distribution cavity; 6, target fluid import; 7, second environment fluid inlet; 8, first environment fluid inlet; 9, heat exchange chamber; 10, rear internal tube plate; 11, target fluid collecting chamber; 12, rear outer tube plate; 13, rear header; 14, second environment fluid issuing; 15, target fluid outlet; 16, first environment fluid issuing; 17, base; 18, bellows tube; 19, outer tube; 20, runner.
The specific embodiment
With reference to Fig. 1, Fig. 2, make the utility model.This bellows tube bushing type fixed tube-sheet exchanger, comprise housing 1, front outer tube plate 3, front internal tube plate 4, rear internal tube plate 10, rear outer tube plate 12, target fluid distribution cavity 5, target fluid collecting chamber 11 and heat exchange chamber 9, the two ends of housing 1 are fixed with respectively front outer tube plate 3 and rear outer tube plate 12, in housing 1 chamber, be provided with front internal tube plate 4 and rear internal tube plate 10, between front outer tube plate 3 and outer internal tube plate 4, it is target fluid distribution cavity 5, between front internal tube plate 4 and rear internal tube plate 10, it is heat exchange chamber 9, between rear internal tube plate 10 and rear outer tube plate 12, it is target fluid collecting chamber 11, on the wall of target fluid distribution cavity 5, be provided with target fluid import 6, on the wall of target fluid collecting chamber 11, be provided with target fluid outlet 15, on the wall of heat exchange chamber 9, be respectively equipped with first environment fluid inlet 8 and first environment fluid issuing 16, it is characterized in that: in the outside of front outer tube plate 3, be provided with front header 2, front header 2 is provided with second environment fluid inlet 7, in the outside of rear outer tube plate 12, be provided with rear header 13, rear header 13 is provided with second environment fluid issuing 14, in housing 1 chamber, be evenly laid with bellows tube sleeve pipe.
Described bellows tube sleeve pipe, by bellows tube 18 and outer tube 19, formed, outer tube 19 is set in the middle part of bellows tube 18, space between outer tube 19 inwalls and the outer wall of bellows tube 18 is runner 20, the front port of bellows tube 18 is located on front outer tube plate 3, the rear port of bellows tube 18 is located on rear outer tube plate 12, front header 2 is connected with rear header 13 by the inner chamber of bellows tube 18, the front port of outer tube 19 is located on front internal tube plate 4, the rear port of outer tube 19 is located on rear internal tube plate 10, target fluid distribution cavity 5 is connected with target fluid collecting chamber 11 by runner 20.
The bottom of described housing 1 is fixed with base 17.
During use, first environment fluid is interior mobile at heat exchange chamber 9, second environment fluid flows in the chamber of bellows tube 18, in the runner of target fluid between outer tube 19 and bellows tube 18, flow, thereby make target fluid form a thin layer, heat exchange mode is thin layer heat exchange, heat exchange is carried out with first environment fluid in outside, heat exchange is carried out with second environment fluid in inner side, and by this improvement, the coefficient of heat transfer of heat exchanger and heat exchange rate have a very large raising.Adopt bellows tube, the coefficient of heat transfer is high, is generally 2～4 times of straight tube, and antiscale, anti-blocking performance are good.Because pipe inner tube is outer, can reach sufficient disturbance, make the density-concentration of inner fluid passage, along fluid normal direction, arrange uniformly, raw incrustation ion and other impurity of therefore separating out all do not deposit and form dirty condition, are in operation and do not occur dirty formation.Meanwhile, reduce thermal (temperature difference) stress, when Temperature Difference Ratio is larger, do not need to add compensating ring.
Claims (3)
1. bellows tube bushing type fixed tube-sheet exchanger, comprise housing (1), front outer tube plate (3), front internal tube plate (4), rear internal tube plate (10), rear outer tube plate (12), target fluid distribution cavity (5), target fluid collecting chamber (11) and heat exchange chamber (9), the two ends of housing (1) are fixed with respectively front outer tube plate (3) and rear outer tube plate (12), in housing (1) chamber, be provided with front internal tube plate (4) and rear internal tube plate (10), between front outer tube plate (3) and outer internal tube plate (4), be target fluid distribution cavity (5), between front internal tube plate (4) and rear internal tube plate (10), be heat exchange chamber (9), between rear internal tube plate (10) and rear outer tube plate (12), be target fluid collecting chamber (11), on the wall of target fluid distribution cavity (5), be provided with target fluid import (6), on the wall of target fluid collecting chamber (11), be provided with target fluid outlet (15), on the wall of heat exchange chamber (9), be respectively equipped with first environment fluid inlet (8) and first environment fluid issuing (16), it is characterized in that: in the outside of front outer tube plate (3), be provided with front header (2), front header (2) is provided with second environment fluid inlet (7), in the outside of rear outer tube plate (12), be provided with rear header (13), rear header (13) is provided with second environment fluid issuing (14), in housing (1) chamber, be evenly laid with bellows tube sleeve pipe.
2. bellows tube bushing type fixed tube-sheet exchanger according to claim 1, it is characterized in that: described bellows tube sleeve pipe, by bellows tube (18) and outer tube (19), formed, outer tube (19) is set in the middle part of bellows tube (18), space between the outer wall of outer tube (19) inwall and bellows tube (18) is runner (20), the front port of bellows tube (18) is located on front outer tube plate (3), the rear port of bellows tube (18) is located on rear outer tube plate (12), front header (2) is connected with rear header (13) by the inner chamber of bellows tube (18), the front port of outer tube (19) is located on front internal tube plate (4), the rear port of outer tube (19) is located on rear internal tube plate (10), target fluid distribution cavity (5) is connected with target fluid collecting chamber (11) by runner (20).
3. bellows tube bushing type fixed tube-sheet exchanger according to claim 1, is characterized in that: the bottom of described housing (1) is fixed with base (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320488380.9U CN203464805U (en) | 2013-08-12 | 2013-08-12 | Corrugated tube sleeve type fixed-tube-sheet heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320488380.9U CN203464805U (en) | 2013-08-12 | 2013-08-12 | Corrugated tube sleeve type fixed-tube-sheet heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203464805U true CN203464805U (en) | 2014-03-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320488380.9U Expired - Fee Related CN203464805U (en) | 2013-08-12 | 2013-08-12 | Corrugated tube sleeve type fixed-tube-sheet heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203464805U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374215A (en) * | 2014-11-21 | 2015-02-25 | 中冶焦耐工程技术有限公司 | Supporting type heat exchanger with tube bundle sleeves and fixing pore plates |
| CN111457762A (en) * | 2020-04-08 | 2020-07-28 | 无锡蓝海工程设计有限公司 | Heat exchanger with double tube boxes and double tube diameters |
| CN116734631A (en) * | 2023-08-09 | 2023-09-12 | 杭州沈氏节能科技股份有限公司 | Multi-strand flow tube shell type heat exchanger |
-
2013
- 2013-08-12 CN CN201320488380.9U patent/CN203464805U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374215A (en) * | 2014-11-21 | 2015-02-25 | 中冶焦耐工程技术有限公司 | Supporting type heat exchanger with tube bundle sleeves and fixing pore plates |
| CN111457762A (en) * | 2020-04-08 | 2020-07-28 | 无锡蓝海工程设计有限公司 | Heat exchanger with double tube boxes and double tube diameters |
| CN116734631A (en) * | 2023-08-09 | 2023-09-12 | 杭州沈氏节能科技股份有限公司 | Multi-strand flow tube shell type heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20170812 |