CN203413990U - High-temperature-resistant large-temperature-difference heat exchanger - Google Patents
High-temperature-resistant large-temperature-difference heat exchanger Download PDFInfo
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- CN203413990U CN203413990U CN201320365525.6U CN201320365525U CN203413990U CN 203413990 U CN203413990 U CN 203413990U CN 201320365525 U CN201320365525 U CN 201320365525U CN 203413990 U CN203413990 U CN 203413990U
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- bobbin carriage
- temperature
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- 230000008676 import Effects 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000008646 thermal stress Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000012530 fluid Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000237983 Trochidae Species 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Abstract
The utility model provides a high-temperature-resistant large-temperature-difference heat exchanger, which belongs to the technical fields of petrochemical engineering and thermal energy utilization equipment, and is used for solving the problem that pipe plates of the high-temperature-resistant large-temperature-difference heat exchanger are easily broken. The heat exchanger comprises an equipment shell, heat exchange pipe bundles, an inlet pipe box, an outlet pipe box and the pipe plates, and is characterized in that the inlet pipe box and the outlet pipe box are of a split structure and are connected by a U-shaped heat exchange pipe bundle, an S-shaped heat exchange pipe bundle or an M-shaped heat exchange pipe bundle. Through the structure, the consistency of temperatures of the pipe plates of the inlet pipe box and the outlet pipe box is ensured, thermal stress generated by large temperature difference caused by adopting one pipe plate at an inlet and an outlet is eliminated, and the pipe plates are prevented from being broken due to overlarge thermal stress. The countercurrent flow of a medium is realized, the heat utilization maximization is realized, and the utility model is applied to a high temperature large-temperature-difference heat exchanger, a steam generator or a countercurrent heat exchanger.
Description
Technical field
The utility model belongs to petrochemical industry, heat energy utilization equipment technical field, particularly a kind of high temperature resistant large temperature-difference heat exchanger.
Background technology
Petrochemical production process has a lot of waste heats, and some devices even have a lot of high-temperature residual heats.As catalytic cracking unit, fractionating system has in 280 ℃～350 ℃ waste heats of circulation slurry oil, two 160 ℃～200 ℃ waste heats of recycle oil, 220 ℃～330 ℃ of waste heats of recycle oil etc. in 200 ℃～300 ℃ waste heats of recycle oil.Conventionally by exchange heat or generation steam mode recovery waste heat, conventional heat exchanger is movable tube sheets heat exchanger or U-shaped heat exchange of heat pipe, it is all single tube plate structure heat exchanger, be used for the slurry heat-exchanger that circulates, 340～350 ℃ of medium inlet temperatures, 260 ℃ of outlet temperatures, there is the larger temperature difference in heat exchanger tube sheet medium entry zone and media outlet region, make the high low temperature of tube sheet junction produce larger thermal stress, the stress fatigue of tube sheet generation year in and year out causes crackle, fracture.So a kind of high temperature resistant large temperature-difference heat exchanger of commercial plant active demand.
Summary of the invention
The purpose of this utility model is to provide a kind of high temperature resistant large temperature-difference heat exchanger, eliminates the heat exchanger bobbin carriage tube sheet temperature difference, avoids causing crackle, fracture because the temperature difference produces larger thermal stress.
The utility model solves the technical scheme that its technical problem adopts: comprise apparatus casing, heat-exchanging tube bundle, import bobbin carriage and outlet bobbin carriage, it is characterized in that: import bobbin carriage and outlet bobbin carriage adopt Split type structure, and both connect by U or S or M shape heat-exchanging tube bundle.
Further, apparatus casing is straight barrel type or U-shaped cylinder or L-type cylinder or autoclave structure, is horizontal or vertical, and housing arranges inner draft tube or external flow guiding cylinder or do not arrange.
Further, heat-exchanging tube bundle is 1～10 group, and two ends are provided with import bobbin carriage and outlet bobbin carriage, and each bobbin carriage is at same one end or the different end of housing, and heat-exchanging tube bundle adopts rod baffle guiding, tube bank guide shell is set or does not arrange.
Further, in the tube sheet one or both sides of import bobbin carriage, outlet bobbin carriage, heat-barrier material or coating are set or do not arrange.
The utility model innovative point and good effect:
The utility model innovative point is: import bobbin carriage and outlet bobbin carriage adopt Split type structure, and both connect by U or S or M shape heat-exchanging tube bundle.
The utility model good effect is: 1, realize import and outlet bobbin carriage tube sheet temperature is consistent, eliminate that the tube sheet temperature difference is large, thermal stress causes greatly tube sheet breakage problem.2, U-shaped cylinder shell structure can realize medium counter flow heat exchange, realizes Btu utilization and maximizes.
Accompanying drawing explanation
Fig. 1 is a kind of high temperature resistant large temperature-difference heat exchanger schematic diagram.
Wherein, 1-import bobbin carriage, the import of 2-tube side, 3-exports bobbin carriage, the outlet of 4-tube side, 5-shell side is suitable for reading, 6-housing, the tube bank of 7-U shape, 8-housing end opening.
Fig. 2 is another kind of high temperature resistant large temperature-difference heat exchanger schematic diagram.
Wherein, 1-import bobbin carriage, the import of 2-tube side, 3-exports bobbin carriage, the outlet of 4-tube side, 5-shell side is suitable for reading, 6-U shape top cylinder, the tube bank of 7-U shape, 8-housing end opening, 9-communicating pipe, 10-supports, 11-U shape doffing.
Fig. 3 is another kind of high temperature resistant large temperature-difference heat exchanger schematic diagram.
Wherein, 1-import bobbin carriage, the import of 2-tube side, 3-exports bobbin carriage, the outlet of 4-tube side, 5-steam (vapor) outlet, 6-autoclave housing, the tube bank of 7-U shape, the import of 8-deaerated water, 9-separatory bag, 10-liquid level gauge.
Fig. 4 is another kind of high temperature resistant large temperature-difference heat exchanger schematic diagram.
Wherein, 1-upper tube box, the 2-upper tube box mouth of pipe, 3-lower tube box, the 4-lower tube box mouth of pipe, 5-shell side is suitable for reading, 6-U shape top cylinder, the tube bank of 7-U shape, 8-housing end opening, 9-U shape doffing, 10-supports.
The specific embodiment
Seeing Fig. 1, is to be applied to steam generator, and the open end of U-shaped tube bank 7 is connected with import bobbin carriage 1 and outlet bobbin carriage 3 respectively, and U-shaped is restrained 7 and is arranged in housing 6, and the top of housing 6 has 1～4 shell side suitable for reading 5, and 1～4 housing end opening 8 is arranged at bottom.
See Fig. 2, to be applied to steam generator, U-shaped tube bank 7 is arranged in U-shaped cylinder 6 and 11, open end is connected with outlet bobbin carriage 3 with import bobbin carriage 1 respectively, 1～4 shell side suitable for reading 5 is arranged at the top of U-shaped top cylinder 6,1～4 housing end opening 8 is arranged at U-shaped doffing 11 bottoms, and 11 of U-shaped top cylinder 6 and U-shaped doffings were communicated with by 1～4 communicating pipe 9.
Seeing Fig. 3, is to be applied to autoclave steam generator, and U-shaped tube bank 7 is arranged in autoclave housing 6, and it is outer respectively with import bobbin carriage 1 with export bobbin carriage 3 and be connected that open end stretches out autoclave housing 6.Separatory bag 9, steam (vapor) outlet 5, deaerated water import 8 and liquid level gauge 10 are arranged at autoclave housing 6 tops.
Seeing Fig. 4, is to be applied to heat exchanger, and U-shaped tube bank 7 is arranged in U-shaped cylinder 6 and 9, and open end is connected with lower tube box 3 with upper tube box 1 respectively, and is provided with the upper tube box mouth of pipe 2 and the lower tube box mouth of pipe 4.The top of U-shaped top cylinder 6 has shell side suitable for reading 5, and housing end opening 8 is arranged at U-shaped doffing 9 bottoms, and 9 of U-shaped top cylinder 6 and U-shaped doffings have and support 10.
Referring to Fig. 1, be applied to occur steam, hot-fluid medium enters import bobbin carriage 1 from tube side import 2, through U-shaped tube bank 7, from outlet bobbin carriage 3, tube side outlet 4, flows out.Deaerated water enters from bottom shell end opening 8, and deaerated water carries out exchange heat through U-shaped tube bank 7, makes the vaporization of part deaerated water, and steam water interface rises in housing, from top shell side suitable for reading 5, flows out.
Referring to Fig. 2, be applied to occur steam, hot-fluid medium enters import bobbin carriage 1 from tube side import 2, through U-shaped tube bank 7, from outlet bobbin carriage 3, tube side outlet 4, flows out.Deaerated water enters from housing end opening 8, through U-shaped doffing 11 and U-shaped tube bank 7, carry out exchange heat, make the vaporization of part deaerated water, steam water interface rises through entering communicating pipe 9 in U-shaped top cylinder 6, continue to carry out exchange heat with U-shaped tube bank 7, steam water interface continues to rise and flows out from shell side suitable for reading 5.
Referring to Fig. 3, be applied to occur steam, hot-fluid medium enters import bobbin carriage 1 through tube side import 2, through U-shaped tube bank 7, from outlet bobbin carriage 3, tube side outlet 4, flows out.Deaerated water enters autoclave housing 6 from deaerated water import 8, and U-shaped tube bank 7 is immersed in deaerated water, and deaerated water carries out exchange heat through U-shaped tube bank 7 with hot-fluid, makes the vaporization of part deaerated water, and steam, to autoclave housing 6 tops, flows out through separatory bag 9, steam (vapor) outlet 5.
Referring to Fig. 4, be applied to media for heat exchange, tube side medium enters upper tube box 1 (or the lower tube box mouth of pipe 4 enters lower tube box 3) from the upper tube box mouth of pipe 2, through U-shaped tube bank 7 and shell side media for heat exchange, after heat exchange, tube side medium flows out (or from the upper tube box mouth of pipe 2, flowing out through upper tube box 1) through lower tube box 3 from the lower tube box mouth of pipe 4.Housing medium enters (or entering from shell side suitable for reading 5) from housing end opening 8, through U-shaped tube bank 7, carries out exchange heat with hot-fluid medium, and after heat exchange, medium flows out (or from housing end opening 8) outflow from shell side suitable for reading 5.
Claims (4)
1. a high temperature resistant large temperature-difference heat exchanger, comprises apparatus casing, heat-exchanging tube bundle, import bobbin carriage and outlet bobbin carriage, it is characterized in that: import bobbin carriage and outlet bobbin carriage adopt Split type structure, and both connect by U or S or M shape heat-exchanging tube bundle.
2. equipment according to claim 1, is characterized in that: apparatus casing is straight barrel type or U-shaped cylinder or L-type cylinder or autoclave structure, is horizontal or vertical, and housing arranges inner draft tube or external flow guiding cylinder or do not arrange.
3. equipment according to claim 1, is characterized in that: heat-exchanging tube bundle is 1～10 group, and two ends are provided with import bobbin carriage and outlet bobbin carriage, and each bobbin carriage is at same one end or the different end of housing, and heat-exchanging tube bundle adopts rod baffle guiding, tube bank guide shell is set or does not arrange.
4. equipment according to claim 1, is characterized in that: the tube sheet one or both sides at import bobbin carriage, outlet bobbin carriage arrange heat-barrier material or coating or do not arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320365525.6U CN203413990U (en) | 2013-06-25 | 2013-06-25 | High-temperature-resistant large-temperature-difference heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320365525.6U CN203413990U (en) | 2013-06-25 | 2013-06-25 | High-temperature-resistant large-temperature-difference heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413990U true CN203413990U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320365525.6U Expired - Fee Related CN203413990U (en) | 2013-06-25 | 2013-06-25 | High-temperature-resistant large-temperature-difference heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793351A (en) * | 2019-11-21 | 2020-02-14 | 上海蓝滨石化设备有限责任公司 | Horizontal multi-connected tube bundle heavy oil heat exchanger |
-
2013
- 2013-06-25 CN CN201320365525.6U patent/CN203413990U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793351A (en) * | 2019-11-21 | 2020-02-14 | 上海蓝滨石化设备有限责任公司 | Horizontal multi-connected tube bundle heavy oil heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINGPAIKE (BEIJING) PETROCHEMICAL TECHNOLOGY CO., Free format text: FORMER OWNER: LIU YINGJU Effective date: 20150114 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150114 Address after: 100011, Beijing, Dongcheng District, 136 Wai Wai Street, imperial international A block 4, A0406-033 Patentee after: Beijing pike (Beijing) Petrochemical Technology Co., Ltd. Address before: 100011, Beijing, Dongcheng District, 136 Wai Wai Street, imperial international A block 4, A0406-25 Patentee before: Liu Yingju |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing pike (Beijing) Petrochemical Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing pike (Beijing) Petrochemical Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| 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: 20140129 Termination date: 20190625 |