CN204043454U - A kind of heat exchanger tube bank of reboiler - Google Patents
A kind of heat exchanger tube bank of reboiler Download PDFInfo
- Publication number
- CN204043454U CN204043454U CN201420496416.2U CN201420496416U CN204043454U CN 204043454 U CN204043454 U CN 204043454U CN 201420496416 U CN201420496416 U CN 201420496416U CN 204043454 U CN204043454 U CN 204043454U
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- Prior art keywords
- replace tubes
- plate
- support plate
- hot replace
- heat exchanger
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Abstract
The utility model discloses a kind of heat exchanger tube bank of reboiler, comprise fixed tube sheet, hot replace tubes, deflection plate, ring flat-plate, distance sink tube, pull bar, floating tubesheet and round steel draw runner, described hot replace tubes two ends difference strength solder joints is on fixed tube sheet and floating tubesheet, described deflection plate is divided into cuts support plate and incision support plate, described incision support plate and on cut that support plate is staggered up and down to be equidistantly arranged on hot replace tubes, described round steel draw runner is arranged on hot replace tubes lower end, on cut support plate and incision support plate and round steel draw runner and be slidably connected, described ring flat-plate is arranged near floating tubesheet place perpendicular to hot replace tubes, what described distance sink tube was equidistant and parallel with hot replace tubes is distributed between fixed tube sheet and ring flat-plate, described pull bar is evenly arranged in the outward flange of deflection plate and hot replace tubes junction.The advantages such as the utility model is firm in structure, operating flexibility is large, the degree of reliability is high, applied widely, heat transfer efficiency is high, and heat transfer area is little, reduces pressure drop, improves device calorific intensity, is generally used in various engineering.
Description
Technical field
The utility model relates to reboiler equipment technical field, particularly relates to a kind of heat exchanger tube bank of reboiler.
Background technology
Reboiler is a kind of energy-saving equipment realizing heat transmission between material, it is a kind of process equipment generally applied in fields such as chemical industry, oil, petrochemical industry, metallurgy, in oil refining, chemical plant installations, heat exchanger accounts for about 40% of total number of devices, accounts for 30% ~ 45% of gross investment.In recent years along with the development of power-saving technology, application constantly expands, and utilizes heat exchanger to carry out high temperature and low temperature heat energy and reclaims and bring significant economic benefit.At present in heat transmission equipment, what use amount was maximum is shell-and-tube heat exchanger.In energy-conservation, synergy etc., improve heat exchanger performance at recent year, at raising heat transfer efficiency, reduce heat transfer area, reduce pressure drop, the research improving the aspects such as device calorific intensity achieves important achievement.A large amount of uses of heat exchanger effectively raise the utilization rate of the energy, and entreprise cost is reduced, and benefit improves.Although shell-and-tube heat exchanger in the consumption etc. of heat exchange efficiency, equipment volume and metal material not as other novel heat exchange equipment, but he again firm in structure, operating flexibility is large, the degree of reliability is high, the advantage such as applied widely, so generally used in various engineering.
Utility model content
For the problems referred to above, the utility model provides a kind of heat exchanger tube bank of firm in structure, operating flexibility is large, the degree of reliability is high, applied widely reboiler.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of heat exchanger tube bank of reboiler, comprise fixed tube sheet, hot replace tubes, deflection plate, ring flat-plate, distance sink tube, pull bar, floating tubesheet and round steel draw runner, described hot replace tubes two ends difference strength solder joints is on fixed tube sheet and floating tubesheet, described deflection plate is divided into cuts support plate and incision support plate, described incision support plate and on cut that support plate is staggered up and down to be equidistantly arranged on hot replace tubes, described round steel draw runner is arranged on hot replace tubes lower end, on cut support plate and incision support plate and round steel draw runner and be slidably connected, described ring flat-plate is arranged near floating tubesheet place perpendicular to hot replace tubes, what described distance sink tube was equidistant and parallel with hot replace tubes is distributed between fixed tube sheet and ring flat-plate, described pull bar is evenly arranged in the outward flange of deflection plate and hot replace tubes junction.
Further, described deflection plate is segmental baffle, it is about 25% that the circle of segmental baffle lacks rate, deflection plate improves shell-side fluid flow velocity, fluid is forced repeatedly to flow transversely through tube bank by the path of regulation, increase less turbulence, to improve convection heat transfer' heat-transfer by convection efficiency between pipe, not only deflection plate plays baffling effect but also plays a supportive role.Due in segmental baffle, fluid only divides through round segmental part and flows vertically through tube bank, and in flowing, dead band is less, so comparatively superior, structure is also simple, and the breach of deflection plate should be tried one's best near pipe row, this adopts above-below direction arrangement, can cause the violent disturbance of fluid, with enhancing heat transfer.
Further, described hot replace tubes adopts regular hexagon arrangement, and the clearance between adjacent two hot replace tubes is not less than the heat exchanger tube external diameter of 1.2 times.
From the above-mentioned description to the utility model structure, compared to the prior art, the utility model tool has the following advantages:
The advantages such as the utility model is firm in structure, operating flexibility is large, the degree of reliability is high, applied widely, heat transfer efficiency is high, and heat transfer area is little, reduces pressure drop, improves device calorific intensity, is generally used in various engineering.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the heat exchanger tube bank of a kind of reboiler of the utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1
A kind of heat exchanger tube bank of reboiler, comprise fixed tube sheet 1, hot replace tubes 2, deflection plate 3, ring flat-plate 4, distance sink tube 5, pull bar 6, floating tubesheet 7 and round steel draw runner 8, described hot replace tubes 2 two ends difference strength solder joints is on fixed tube sheet 1 and floating tubesheet 7, described deflection plate 3 is divided into cuts support plate 31 and incision support plate 32, described incision support plate 32 and on cut that support plate about 31 is staggered to be equidistantly arranged on hot replace tubes 2, described round steel draw runner 8 is arranged on hot replace tubes 2 lower end, on cut support plate 31 and incision support plate 32 is slidably connected with round steel draw runner 8, described ring flat-plate 4 is arranged near floating tubesheet 7 place perpendicular to hot replace tubes 2, what described distance sink tube 5 was equidistant and parallel with hot replace tubes 2 is distributed between fixed tube sheet 1 and ring flat-plate 4, described pull bar 6 is evenly arranged in the outward flange of deflection plate 3 and hot replace tubes 2 junction.
Described deflection plate 3 is segmental baffle, it is that about 25% deflection plate improves shell-side fluid flow velocity that the circle of segmental baffle lacks rate, fluid is forced repeatedly to flow transversely through tube bank by the path of regulation, increase less turbulence, to improve convection heat transfer' heat-transfer by convection efficiency between pipe, not only deflection plate 3 plays baffling effect but also plays a supportive role.Due in segmental baffle, fluid only divides through round segmental part and flows vertically through tube bank, and in flowing, dead band is less, so comparatively superior, structure is also simple, and the breach of deflection plate 3 should be tried one's best near pipe row, this adopts above-below direction arrangement, can cause the violent disturbance of fluid, with enhancing heat transfer.
The spacing of segmental baffle generally should not be less than 20% of housing inner diameter, and not little 50 ㎜, and adjacent two pieces of baffle(s) spacings must not be greater than housing inner diameter, because heat exchanger tube overall length is 6000 ㎜, go baffle(s) spacing to be 750 ㎜, can calculate needs 7 pieces of deflection plates.Realized by pull bar and distance sink tube when the installation of deflection plate is fixed, last block deflection plate of each root pull bar welds with pull bar.
Described hot replace tubes 2 adopts regular hexagon to arrange, and the clearance between adjacent two hot replace tubes 2 is not less than heat exchanger tube 2 external diameter of 1.2 times.
Embodiment 2
A kind of heat exchanger tube bank of reboiler, comprise fixed tube sheet 1, hot replace tubes 2, deflection plate 3, ring flat-plate 4, distance sink tube 5, pull bar 6, floating tubesheet 7 and round steel draw runner 8, described hot replace tubes 2 two ends difference strength solder joints is on fixed tube sheet 1 and floating tubesheet 7, described deflection plate 3 is divided into cuts support plate 31 and incision support plate 32, described incision support plate 32 and on cut that support plate about 31 is staggered to be equidistantly arranged on hot replace tubes 2, described round steel draw runner 8 is arranged on hot replace tubes 2 lower end, on cut support plate 31 and incision support plate 32 is slidably connected with round steel draw runner 8, round steel draw runner 8 is used for supporting deflection plate, and play the effect of guide rail and slide rail when mounted, be convenient to installation and removal, and the vibrations preventing the impact due to medium from causing when equipment works and float, described ring flat-plate 4 is arranged near floating tubesheet 7 place perpendicular to hot replace tubes 2, what described distance sink tube 5 was equidistant and parallel with hot replace tubes 2 is distributed between fixed tube sheet 1 and ring flat-plate 4, described pull bar 6 is evenly arranged in the outward flange of deflection plate 3 and hot replace tubes 2 junction.
Pull bar 6 common type has two kinds: a kind of is pull bar and deflection plate Type of Welding, is generally used for the tube bank that heat exchanger tube external diameter is less than or equal to 14 ㎜; Another kind of settle down tubular construction form for pull bar, be more than or equal to the tube bank of 18 ㎜ for heat exchanger tube external diameter.Pull bar should be evenly arranged in the outward flange of tube bank as far as possible, and for large diameter heat exchanger, or else in area under control or close baffle gap place should arrange the pull bar of right quantity.
The advantages such as the utility model is firm in structure, operating flexibility is large, the degree of reliability is high, applied widely, heat transfer efficiency is high, and heat transfer area is little, reduces pressure drop, improves device calorific intensity, is generally used in various engineering.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the heat exchanger tube bank of a reboiler, it is characterized in that: comprise fixed tube sheet (1), hot replace tubes (2), deflection plate (3), ring flat-plate (4), distance sink tube (5), pull bar (6), floating tubesheet (7) and round steel draw runner (8), described hot replace tubes (2) two ends difference strength solder joints is on fixed tube sheet (1) and floating tubesheet (7), described deflection plate (3) is divided into cuts support plate (31) and incision support plate (32), described incision support plate (32) and on cut that support plate (31) is staggered up and down to be equidistantly arranged on hot replace tubes (2), described round steel draw runner (8) is arranged on hot replace tubes (2) lower end, on cut support plate (31) and incision support plate (32) and be slidably connected with round steel draw runner (8), described ring flat-plate (4) is arranged near floating tubesheet (7) place perpendicular to hot replace tubes (2), what described distance sink tube (5) was equidistant and parallel with hot replace tubes (2) is distributed between fixed tube sheet (1) and ring flat-plate (4), described pull bar (6) is evenly arranged in the outward flange of deflection plate (3) and hot replace tubes (2) junction.
2. a kind of heat exchanger of reboiler is restrained according to claim 1, and it is characterized in that: described deflection plate (3) is segmental baffle, it is about 25% that the circle of segmental baffle lacks rate.
3. a kind of heat exchanger of reboiler is restrained according to claim 1, it is characterized in that: described hot replace tubes (2) adopts regular hexagon arrangement, and the clearance between adjacent two hot replace tubes (2) is not less than heat exchanger tube (2) external diameter of 1.2 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496416.2U CN204043454U (en) | 2014-08-30 | 2014-08-30 | A kind of heat exchanger tube bank of reboiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496416.2U CN204043454U (en) | 2014-08-30 | 2014-08-30 | A kind of heat exchanger tube bank of reboiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204043454U true CN204043454U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496416.2U Expired - Fee Related CN204043454U (en) | 2014-08-30 | 2014-08-30 | A kind of heat exchanger tube bank of reboiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204043454U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823355A (en) * | 2016-05-12 | 2016-08-03 | 哈电集团（秦皇岛）重型装备有限公司 | Vertical type sleeving device of pipe bundle assembly of heavy floating head heat exchanger |
| CN106225524A (en) * | 2016-08-30 | 2016-12-14 | 无锡英罗唯森科技有限公司 | Single tube sheet heat exchanger |
| CN106247828A (en) * | 2016-08-30 | 2016-12-21 | 无锡英罗唯森科技有限公司 | Heat exchanger |
| CN108871035A (en) * | 2018-09-18 | 2018-11-23 | 张化机（苏州）重装有限公司 | Convenient for the Pipe bundle structure of pressure testing |
-
2014
- 2014-08-30 CN CN201420496416.2U patent/CN204043454U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823355A (en) * | 2016-05-12 | 2016-08-03 | 哈电集团（秦皇岛）重型装备有限公司 | Vertical type sleeving device of pipe bundle assembly of heavy floating head heat exchanger |
| CN105823355B (en) * | 2016-05-12 | 2018-01-19 | 哈电集团（秦皇岛）重型装备有限公司 | The heavy vertical bushing device of floating head type heat exchanger tube tread assembly |
| CN106225524A (en) * | 2016-08-30 | 2016-12-14 | 无锡英罗唯森科技有限公司 | Single tube sheet heat exchanger |
| CN106247828A (en) * | 2016-08-30 | 2016-12-21 | 无锡英罗唯森科技有限公司 | Heat exchanger |
| CN108871035A (en) * | 2018-09-18 | 2018-11-23 | 张化机（苏州）重装有限公司 | Convenient for the Pipe bundle structure of pressure testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150830 |
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| EXPY | Termination of patent right or utility model |