CN103673680A - Fixed tube-sheet bourdon-tube heat exchanger - Google Patents
Fixed tube-sheet bourdon-tube heat exchanger Download PDFInfo
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- CN103673680A CN103673680A CN201310738001.1A CN201310738001A CN103673680A CN 103673680 A CN103673680 A CN 103673680A CN 201310738001 A CN201310738001 A CN 201310738001A CN 103673680 A CN103673680 A CN 103673680A
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Abstract
The invention belongs to the field of heat exchangers and particularly discloses a fixed tube-sheet bourdon-tube heat exchanger. The fixed tube-sheet bourdon-tube heat exchanger comprises a shell, a tube sheet, shell covers and heat exchange tubes. The heat exchange tubes are spiral bourdon tubes. The two ends of each bourdon tube are straight tubes, wherein the straight tubes and the bourdon tube body are integrally formed, the axes of the straight tubes coincide with the axis of the bourdon tube, and the length of each straight tube is at least 2 times the thickness of the tube sheet. The bourdon tubes are fixed to the tube sheet through the corresponding straight tubes. By replacing straight heat exchange tubes with the spiral heat exchange tubes, the heat exchange area can be enlarged, heat exchange time can be prolonged, and heat exchange efficiency can be improved; because the number of the heat exchange tubes is decreased, welding quantity is decreased, leakage probability is deceased, maintenance cost is reduced, and service life is prolonged; fluid in the heat exchange tubes does spiral motion along the heat exchange tubes, the turbulivity of the fluid is improved, so that the pressure drop of the two ends of each heat exchange tube is decreased, leakage is reduced, and service life is prolonged.
Description
Technical field
The invention belongs to field of heat exchangers, specifically, relate to a kind of heat exchange tube structure of fixed tube-sheet exchanger.
Background technology
At present, in fixed tube-sheet exchanger there is following defect in heat exchanger tube: in (1) heat exchanger tube, under the low flow condition of medium, turbulent flow is less, be unfavorable for the lifting of heat exchange efficiency, under high flow condition, though can reach higher turbulivity, but the pressure drop that heat exchanger tube bears is large, and energy consumption is high; (2) when the temperature difference of housing and tube wall is larger, for preventing that the damage that thermal (temperature difference) stress brings from need arrange expansion joint; (3) when heat exchanger tube quantity is more, cause its welding capacity more, Leakage probability is large.
Summary of the invention
For addressing the above problem, the invention provides that a kind of heat exchange efficiency is high, energy consumption is low, long service life and fixed tube sheet type bourdon tube heat exchanger simple in structure.
Fixed tube sheet type bourdon tube heat exchanger of the present invention, comprises housing, tube sheet, end socket and heat exchanger tube, and heat exchanger tube is spiral bourdon tube.
Spiral heat exchanger tube substitutes straight tube heat exchanger tube, can increase heat exchange area and heat-exchange time, improves heat exchange efficiency; The quantity of heat exchanger tube is reduced, and welding capacity reduces then, and Leakage probability reduces, and maintenance cost reduces, and extend service life; Heat exchanger tube inner fluid is spinned and is moved along heat exchanger tube, and turbulivity increases, and then can reduce the pressure drop at heat exchanger tube two ends, reduces and leaks, and increases service life.
For better fixing spring pipe, the two ends of bourdon tube are and the integrated straight tube of bourdon tube that straight tube is consistent with bourdon tube axis; The preferred diameter of straight tube is identical with the diameter of bourdon tube.
Preferably, length >=2 of straight tube times tube plate thickness.
Preferably, bourdon tube and straight tube diameter are 25mm, and bourdon tube pitch is 80mm, and screw diameter is 80mm, and tube plate thickness is 50mm.
Compared with prior art, the invention has the beneficial effects as follows:
1, heat exchanger tube is spiral tube, has increased contact area and the time of contact of tube side medium and shell side medium, and tube side fluid flow direction is relative with shell-side fluid flow direction staggered simultaneously, and heat exchange efficiency is high, and energy consumption is low;
2, the helical structure of heat exchanger tube, in tube side and the shell side temperature difference when larger, the variable quantity that can offset expands with heat and contract with cold causes, without using expansion joint, simple in structure;
3, the helical structure of heat exchanger tube, can increase heat exchange area, the heat exchanger of same heat exchange area, mounting spring heat exchange tube is compared with installation straight tube heat exchanger tube, and the quantity of required bourdon tube heat exchanger tube is less than straight tube heat exchanger tube, and then can reduce welding capacity, reduce Leakage probability, reduce maintenance cost;
When 4, medium flows in tube side, because medium is spinned and moved along bourdon tube in tube side, increased motion change, medium still can keep higher turbulivity in low speed situation, without increase pressure, realize the turbulent flow of medium, reduce the pressure drop that heat exchanger tube bears, reduced energy consumption, can extend the service life of heat exchanger tube simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1-tube sheet; 2-bourdon tube; 3-tube side; 4-shell side; 5-end socket; 6-housing; 7-straight tube.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, further explain the present invention.
Embodiment 1
A fixed tube sheet type bourdon tube heat exchanger, comprises tube sheet 1, housing 6, end socket 5 and spiral bourdon tube 2, the straight tube 7 that the two ends of bourdon tube 2 are formed in one, and straight tube 7 is consistent with bourdon tube 2 axis.Bourdon tube 2 is heat exchanger tube, by straight tube 7, is fixed on tube sheet 1.
Wherein, as the diameter of the bourdon tube 2 of heat exchanger tube, be 19mm, straight tube 7 diameters are 19mm, bourdon tube 2 pitch are 50mm, screw diameter 80mm, tube sheet 1 thickness is 40mm, straight tube 7 length are 2000mm.
Fixed tube sheet type bourdon tube heat exchanger of the present invention, compares with straight pipe heat exchanger, and heat exchange area and heat-exchange time increase, and the fluid flow direction of tube side and shell side intermeshes, and turbulivity increase, and heat exchange efficiency improves; Without expansion joint, without deflection plate, simple in structure, maintenance cost is low.
A fixed tube sheet type bourdon tube heat exchanger, comprises tube sheet 1, housing 6, end socket 5 and spiral bourdon tube 2, the straight tube 7 that the two ends of bourdon tube 2 are formed in one, and straight tube 7 is consistent with bourdon tube 2 axis.Bourdon tube 2 is heat exchanger tube, by straight tube 7, is fixed on tube sheet 1.
Wherein, as the diameter of the bourdon tube 2 of heat exchanger tube, be 25mm, straight tube 7 diameters are 25mm, the pitch of bourdon tube 2 is 80mm, screw diameter 80mm, tube sheet 1 thickness is 50mm, straight tube 7 length are 2000mm.
Adopt the heat exchanger of this structure, by straight tube, heat exchanger tube is fixed on tube sheet, and in the situation of same heat exchange area, the quantity of required heat exchanger tube reduces, cost, and the structure of heat exchanger tube self can eliminate the infringement that thermal (temperature difference) stress brings, without expansion joint is installed, comparatively speaking, increase service life.
Claims (5)
1. a fixed tube sheet type bourdon tube heat exchanger, comprises housing (6), tube sheet (1), end socket (5) and heat exchanger tube, it is characterized in that, heat exchanger tube is spiral bourdon tube (2).
2. fixed tube sheet type bourdon tube heat exchanger according to claim 1, is characterized in that, the two ends of bourdon tube (2) are and the integrated straight tube of bourdon tube (2) (7) that straight tube (7) is consistent with bourdon tube (2) axis.
3. fixed tube sheet type bourdon tube heat exchanger according to claim 1, is characterized in that, straight tube (7) is identical with bourdon tube (2) diameter.
4. fixed tube sheet type bourdon tube heat exchanger according to claim 2, is characterized in that, length >=2 times tube sheets (1) thickness of straight tube (7).
5. fixed tube sheet type bourdon tube heat exchanger according to claim 1, is characterized in that, bourdon tube (2) and straight tube (7) diameter are 25mm, and bourdon tube (2) pitch is 80mm, and screw diameter is 80mm, and tube sheet (1) thickness is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738001.1A CN103673680A (en) | 2013-12-27 | 2013-12-27 | Fixed tube-sheet bourdon-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738001.1A CN103673680A (en) | 2013-12-27 | 2013-12-27 | Fixed tube-sheet bourdon-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103673680A true CN103673680A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310738001.1A Pending CN103673680A (en) | 2013-12-27 | 2013-12-27 | Fixed tube-sheet bourdon-tube heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN103673680A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748584A (en) * | 2015-04-15 | 2015-07-01 | 柳州凯通机械有限公司 | Cooler |
| CN105674770A (en) * | 2016-04-05 | 2016-06-15 | 中国科学院上海高等研究院 | Shell and tube heat exchanger for exchanging heat of fused salts with different temperatures |
| CN105841522A (en) * | 2016-04-05 | 2016-08-10 | 中国科学院上海高等研究院 | Molten salt heat exchanger for intelligently controlling heat exchange flowing speed |
| CN105910467A (en) * | 2016-05-13 | 2016-08-31 | 中国海洋石油总公司 | Horizontal tube and shell heat exchanger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63161391A (en) * | 1986-12-23 | 1988-07-05 | Seiichi Konaka | Device for exchanging and shifting heat or material of tube or cylindrical flowpath assembly |
| CN2123055U (en) * | 1992-05-04 | 1992-11-25 | 方净 | Corrugated helically coiled shell and tube exchanger |
| CN102769355A (en) * | 2012-07-27 | 2012-11-07 | 常州亿晶光电科技有限公司 | Water cooling device for energy-saving liquid vaporizer |
| CN202793089U (en) * | 2012-08-08 | 2013-03-13 | 吕江强 | Thick tube plate equal length spiral winding shell-and-tube heat exchanger |
| CN103344139A (en) * | 2013-06-18 | 2013-10-09 | 山东豪迈机械制造有限公司 | Spiral winding pipe floating heat exchanger |
| CN203672196U (en) * | 2013-12-27 | 2014-06-25 | 青岛博德化机有限公司 | Fixed-tube-plate type spring tube heat exchanger |
-
2013
- 2013-12-27 CN CN201310738001.1A patent/CN103673680A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63161391A (en) * | 1986-12-23 | 1988-07-05 | Seiichi Konaka | Device for exchanging and shifting heat or material of tube or cylindrical flowpath assembly |
| CN2123055U (en) * | 1992-05-04 | 1992-11-25 | 方净 | Corrugated helically coiled shell and tube exchanger |
| CN102769355A (en) * | 2012-07-27 | 2012-11-07 | 常州亿晶光电科技有限公司 | Water cooling device for energy-saving liquid vaporizer |
| CN202793089U (en) * | 2012-08-08 | 2013-03-13 | 吕江强 | Thick tube plate equal length spiral winding shell-and-tube heat exchanger |
| CN103344139A (en) * | 2013-06-18 | 2013-10-09 | 山东豪迈机械制造有限公司 | Spiral winding pipe floating heat exchanger |
| CN203672196U (en) * | 2013-12-27 | 2014-06-25 | 青岛博德化机有限公司 | Fixed-tube-plate type spring tube heat exchanger |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748584A (en) * | 2015-04-15 | 2015-07-01 | 柳州凯通机械有限公司 | Cooler |
| CN105674770A (en) * | 2016-04-05 | 2016-06-15 | 中国科学院上海高等研究院 | Shell and tube heat exchanger for exchanging heat of fused salts with different temperatures |
| CN105841522A (en) * | 2016-04-05 | 2016-08-10 | 中国科学院上海高等研究院 | Molten salt heat exchanger for intelligently controlling heat exchange flowing speed |
| CN105910467A (en) * | 2016-05-13 | 2016-08-31 | 中国海洋石油总公司 | Horizontal tube and shell heat exchanger |
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Application publication date: 20140326 |