CN103743270B - The heat exchanger that many groups helix tube is nested - Google Patents
The heat exchanger that many groups helix tube is nested Download PDFInfo
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- CN103743270B CN103743270B CN201310708716.2A CN201310708716A CN103743270B CN 103743270 B CN103743270 B CN 103743270B CN 201310708716 A CN201310708716 A CN 201310708716A CN 103743270 B CN103743270 B CN 103743270B
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- helix tube
- straight pipe
- central straight
- internal layer
- housing
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- 230000008676 import Effects 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000007788 liquid Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The heat exchanger that many group helix tubes are nested, relates to a kind of heat-exchange apparatus.Form primarily of central straight pipe, helix tube and housing, central straight pipe, internal layer helix tube and outer helix tube are arranged in the interior space of housing, internal layer helix tube is nested in the periphery of central straight pipe, outer helix tube is nested in the periphery of internal layer helix tube, the import of internal layer helix tube and outer helix tube is connected to the epimere of central straight pipe, and the outlet of internal layer helix tube and outer helix tube is connected to the hypomere of central straight pipe; The interior space of housing forms heat-exchanging chamber, and the bottom of housing has secondary interface a to access, and the top of housing has secondary interface b to pick out, and the upper end of central straight pipe has main interface a to access, and the lower end of central straight pipe has main interface b to pick out.The present invention carries out nested setting many group helix tubes, can make full use of the space of switch room, increase heat-transfer area, heat exchanger effectiveness is improved, and compared with existing heat exchanger, such that structure is simple and cost is low, applies more extensive.
Description
Technical field
The present invention relates to a kind of heat-exchange apparatus, be related specifically to a kind of spiral-tube heat exchange.
Background technology
Heat exchanger is used to make heat be delivered to the equipment of cold fluid from hot fluid, it is the common apparatus of chemical industry, oil, power, food and other many industrial department, occupy critical role aborning, as uses such as heater, cooler, condenser, evaporimeter and reboilers in Chemical Manufacture.Current heat exchanger is divided into dividing wall type, hybrid, heat accumulating type three major types, and dividing wall type structure is simple, but its heating surface receptor wall limits and makes heat transfer coefficient not high; The hybrid occasion being only confined to allow fluid mutually to mix uses; The heat exchange of heat exchanger need divide two stages to carry out, and heating period and cooling stage hocket, and use and are limited to.
Current, applying more has coil pipe heat exchanger, heat-exchangers of the plate type and shell-and-tube exchanger, and wherein, the advantage of coil pipe heat exchanger is that structure is simple, and can bear high pressure, its shortcoming is that liquid in container less turbulence is low, and it is little to manage outer heat transfer coefficient; The agent structure of heat-exchangers of the plate type is made up of the adhesive tape between heat exchange plate and plate, has that volume is large, heat exchange efficiency is low, changes the expensive shortcoming of adhesive tape, and be mainly used in the heat exchange between Liquid-liquid, there is the limitation used; Shell-and-tube exchanger is primarily of housing, tube bank, tube sheet and envelope first class sections composition, and the wall of tube bank is heat-transfer area, in vapour-water field of heat exchange application, but can there is the shortcoming that structure is more complicated, floor space is large and cost is high.
Summary of the invention
The heat exchanger effectiveness that the object of the invention is to overcome existing heat exchanger is not high, use limitation, complex structure and high cost shortcoming, designs the heat exchanger that a kind of structure is simple, make full use of space, heat exchanger effectiveness is high, application is wide and cost is low many groups helix tube nested type.
The heat exchanger that many group helix tubes of the present invention are nested, it is characterized in that heat exchanger forms primarily of central straight pipe, helix tube and housing (14), wherein, helix tube comprises internal layer helix tube (6) and outer helix tube (5), central straight pipe, internal layer helix tube (6) and outer helix tube (5) are arranged in the interior space of housing (14), and epimere (2) position of central straight pipe and hypomere (12) position have the interface of internal layer helix tube (6) and the interface of outer helix tube (5) respectively; Internal layer helix tube (6) is nested in the periphery of central straight pipe, have living space between internal layer helix tube (6) and central straight pipe, the import (4) of internal layer helix tube (6) is connected on the epimere (2) of central straight pipe, and the outlet (13) of internal layer helix tube (6) is connected on the hypomere (12) of central straight pipe; Outer helix tube (5) is nested in the periphery of internal layer helix tube (6), have living space between outer helix tube (5) and internal layer helix tube (6), the import (15) of outer helix tube (5) is connected on the epimere (2) of central straight pipe, and the outlet (8) of outer helix tube (5) is connected on the hypomere (12) of central straight pipe; The interior space of housing (14) forms heat-exchanging chamber (7), there is shrouding suitable for reading (16) upper end of housing (14), there is end opening shrouding (9) lower end of housing (14), and secondary interface a(11 is arranged at the bottom of housing (14)) access, secondary interface b(3 is arranged at the top of housing (14)) pick out; The upper end of central straight pipe passes from the center of shrouding suitable for reading (16) or passes from the top of housing (14), there is main interface a(1 the upper end of central straight pipe) access, the lower end of central straight pipe passes from the center of end opening shrouding (9) or passes from the bottom of housing (14), and there is main interface b(10 the lower end of central straight pipe) pick out.In the present invention, helix tube is more than two groups, and the helix tube of more than two groups is that axle center is successively nested from inside to outside with central straight pipe, and the helix tube of more than two groups is connected to the two ends of central straight pipe with parallel way; The import (4) of internal layer helix tube (6) is in the upper end of internal layer helix tube (6), and the outlet (13) of internal layer helix tube (6) is in the lower end of internal layer helix tube (6); The upper end of the import (15) of outer helix tube (5) helical layer pipe (5) outside, the lower end of the outlet (8) of outer helix tube (5) helical layer pipe (5) outside; Housing (14) is cylindrical structure, the axis of central straight pipe, internal layer helix tube (6) and outer helix tube (5) and the dead in line of housing (14); The cross section of internal layer helix tube (6) is circular tube structure or many ribs hollow-core construction, and in the pipe of internal layer helix tube (6), in space or many ribs, space is communicated to space in central straight pipe from top and bottom respectively; The cross section of outer helix tube (5) is circular tube structure or many ribs hollow-core construction, and in the pipe of outer helix tube (5), in space or many ribs, space is communicated to space in central straight pipe from top and bottom respectively.Central straight pipe in the present invention plays support helix pipe and hot-swap feature.
Above-mentioned invention is adapted at multi-field middle application, is included in the heat exchange between Liquid-liquid, gas-liquids, gas-gas, uses as cooler or heater.When using as cooler, the gas that need cool or liquid by main interface a(1) enter into central straight pipe, internal layer helix tube (6) and outer helix tube (5), simultaneously, cooling matchmaker's water or cold air are passed through secondary interface a(11) enter into heat-exchanging chamber (7), cooling matchmaker's water or cold air are absorbed heat by the tube wall of central straight pipe, internal layer helix tube (6) and outer helix tube (5) and exchange, and the gas in central straight pipe, internal layer helix tube (6) and outer helix tube (5) pipe or liquid are cooled; When using as heater, the gas that need heat or liquid by main interface b(10) enter into central straight pipe, internal layer helix tube (6) and outer helix tube (5), simultaneously, adding heat medium water or steam by secondary interface b(3) enter into heat-exchanging chamber (7), add heat medium water or steam carries out heat release exchange by the tube wall of central straight pipe, internal layer helix tube (6) and outer helix tube (5), make the gas in central straight pipe, internal layer helix tube (6) and outer helix tube (5) pipe or liquid obtain heat temperature raising.
Above-mentioned invention maybe needs the flowing material cooled to carry out heat exchange by the heated passage in helix tube heating, thus the physics stroke of flowing material in heat exchanger is lengthened, and thus flowing material is easily heated; Adopt the measure of the nested setting of many group helix tubes, make the compact conformation of heat exchanger and floor space little, make full use of the interior space of heat-exchanging chamber (7), obtain larger heat transfer area, thus exchange efficiency is improved; Helix tube has very high bearing capacity, and in high pressure or super-pressure applications, and can be adapted at the heat exchange between Liquid-liquid, gas-liquids, gas-gas, therefore, application is more extensive.
The invention has the beneficial effects as follows: adopt many group helix tubes to be connected to the measure at central straight pipe two ends with parallel way, compare with shell-and-tube exchanger with existing coil pipe heat exchanger, heat-exchangers of the plate type, such that structure is simple and cost is low, apply more extensive.The present invention carries out nested setting many group helix tubes, can make full use of the space of switch room, increase heat-transfer area, heat exchanger effectiveness is improved.
Accompanying drawing explanation
Accompanying drawing is the nested heat converter structure figure of many group helix tubes of the present invention.
In figure: 1. main interface a, the 2. epimere of central straight pipe, 3. secondary interface b, 4. the import of internal layer helix tube, 5. outer helix tube, 6. internal layer helix tube, 7. heat-exchanging chamber, the 8. outlet of outer helix tube, 9. the end opening shrouding of heat-exchanging chamber housing, 10. main interface b, 11. secondary interface a, the hypomere of 12. central straight pipes, the outlet of 13. internal layer helix tubes, the housing of 14. heat-exchanging chambers, the import of 15. outer helix tubes, the shrouding suitable for reading of 16. heat-exchanging chamber housings.
Detailed description of the invention
In embodiment shown in the drawings, the nested heat exchanger of many groups helix tube forms primarily of central straight pipe, internal layer helix tube (6), outer helix tube (5) and housing (14), wherein, central straight pipe, internal layer helix tube (6) and outer helix tube (5) are arranged in the interior space of housing (14), and epimere (2) position of central straight pipe and hypomere (12) position have the interface of internal layer helix tube (6) and the interface of outer helix tube (5) respectively; Internal layer helix tube (6) is nested in the periphery of central straight pipe, have living space between internal layer helix tube (6) and central straight pipe, the import (4) of internal layer helix tube (6) is connected on the epimere (2) of central straight pipe, and the outlet (13) of internal layer helix tube (6) is connected on the hypomere (12) of central straight pipe; Outer helix tube (5) is nested in the periphery of internal layer helix tube (6), have living space between outer helix tube (5) and internal layer helix tube (6), the import (15) of outer helix tube (5) is connected on the epimere (2) of central straight pipe, and the outlet (8) of outer helix tube (5) is connected on the hypomere (12) of central straight pipe; The interior space of housing (14) forms heat-exchanging chamber (7), there is shrouding suitable for reading (16) upper end of housing (14), there is end opening shrouding (9) lower end of housing (14), and secondary interface a(11 is arranged at the bottom of housing (14)) access, secondary interface b(3 is arranged at the top of housing (14)) pick out; The upper end of central straight pipe passes from the center of shrouding suitable for reading (16) or passes from the top of housing (14), there is main interface a(1 the upper end of central straight pipe) access, the lower end of central straight pipe passes from the center of end opening shrouding (9) or passes from the bottom of housing (14), and there is main interface b(10 the lower end of central straight pipe) pick out.In the present embodiment, two groups of helix tubes are nested in around central straight pipe, are connected to the two ends of central straight pipe with parallel way; The import (4) of internal layer helix tube (6) is in the upper end of internal layer helix tube (6), and the outlet (13) of internal layer helix tube (6) is in the lower end of internal layer helix tube (6); The upper end of the import (15) of outer helix tube (5) helical layer pipe (5) outside, the lower end of the outlet (8) of outer helix tube (5) helical layer pipe (5) outside; Housing (14) is cylindrical structure, the axis of central straight pipe, internal layer helix tube (6) and outer helix tube (5) and the dead in line of housing (14); The cross section of internal layer helix tube (6), outer helix tube (5) is circular tube structure, and the interior space of pipe is communicated to space in central straight pipe from top and bottom respectively.
Above-described embodiment is applied as the cooling system of the pre-heating device of unstripped gas and methanol product on the production line of synthesizing methanol.When pre-heating device as unstripped gas uses, main interface b(10 heat exchanger) be connected on the exhaust port of feed gas compressor, main interface a(1 heat exchanger) be connected on the input interface of methanol synthesis reactor, secondary interface b(3 heat exchanger) be connected to and add on the water supply line of heat medium water, secondary interface a(11) be connected to and add on the water return pipeline of heat medium water, then make to add heat medium water by secondary interface b(3) enter into heat-exchanging chamber (7), simultaneously, make unstripped gas by main interface b(10) enter into the central straight pipe of heat exchanger, in internal layer helix tube (6) and outer helix tube (5), add heat medium water by central straight pipe, the tube wall of internal layer helix tube (6) and outer helix tube (5) carries out heat release exchange, make central straight pipe, unstripped gas in internal layer helix tube (6) and outer helix tube (5) pipe obtains heat temperature raising, unstripped gas in heat exchanger after preheating, enter into methanol synthesis reactor again and carry out catalytic reaction, methanol product.When cooling system as methanol product uses, main interface a(1 heat exchanger) be connected on the output interface of methanol synthesis reactor, main interface b(10 heat exchanger) be connected on the input of distillation equipment, secondary interface a(11) be connected on the feed pipe of cooling system, secondary interface b(3) be connected on the return pipe of cooling system, cooling water is by secondary interface a(11) enter into the heat-exchanging chamber (7) of heat exchanger, simultaneously, methanol product is by main interface a(1) enter into the central straight pipe of heat exchanger, after in internal layer helix tube (6) and outer helix tube (5), pass through central straight pipe, cooling water in the tube wall of internal layer helix tube (6) and outer helix tube (5) and heat-exchanging chamber (7) carries out heat exchange, methanol product is cooled, methanol product after cooling is by main interface b(10) export and enter into distillation equipment and be separated, extract methanol product.
Claims (7)
1. organize the nested heat exchanger of helix tube one kind more, primarily of central straight pipe, helix tube and housing (14) composition, wherein, helix tube comprises internal layer helix tube (6) and outer helix tube (5), central straight pipe, internal layer helix tube (6) and outer helix tube (5) are arranged in the interior space of housing (14), internal layer helix tube (6) is nested in the periphery of central straight pipe, have living space between internal layer helix tube (6) and central straight pipe, outer helix tube (5) is nested in the periphery of internal layer helix tube (6), have living space between outer helix tube (5) and internal layer helix tube (6), it is characterized in that epimere (2) position and hypomere (12) position of central straight pipe have the interface of internal layer helix tube (6) and the interface of outer helix tube (5) respectively, the import (4) of internal layer helix tube (6) is connected on the epimere (2) of central straight pipe, the outlet (13) of internal layer helix tube (6) is connected on the hypomere (12) of central straight pipe, the import (15) of outer helix tube (5) is connected on the epimere (2) of central straight pipe, the outlet (8) of outer helix tube (5) is connected on the hypomere (12) of central straight pipe, the interior space of housing (14) forms heat-exchanging chamber (7), there is shrouding suitable for reading (16) upper end of housing (14), there is end opening shrouding (9) lower end of housing (14), secondary interface a(11 is arranged at the bottom of housing (14)) access, secondary interface b(3 is arranged at the top of housing (14)) pick out, the upper end of central straight pipe passes from the center of shrouding suitable for reading (16) or passes from the top of housing (14), there is main interface a(1 the upper end of central straight pipe) access, the lower end of central straight pipe passes from the center of end opening shrouding (9) or passes from the bottom of housing (14), and there is main interface b(10 the lower end of central straight pipe) pick out.
2. the heat exchanger that a kind of many group helix tubes are nested according to claim 1, it is characterized in that helix tube is more than two groups, the helix tube of more than two groups is that axle center is successively nested from inside to outside with central straight pipe, and the helix tube of more than two groups is connected to the two ends of central straight pipe with parallel way.
3. the heat exchanger that a kind of many group helix tubes are nested according to claim 1, is characterized in that the import (4) of internal layer helix tube (6) is in the upper end of internal layer helix tube (6), and the outlet (13) of internal layer helix tube (6) is in the lower end of internal layer helix tube (6).
4. the heat exchanger that a kind of many group helix tubes are nested according to claim 1, the upper end of the import (15) that it is characterized in that outer helix tube (5) helical layer pipe (5) outside, the lower end of the outlet (8) of outer helix tube (5) helical layer pipe (5) outside.
5. the heat exchanger that a kind of many group helix tubes are nested according to claim 1, is characterized in that housing (14) is cylindrical structure, the axis of central straight pipe, internal layer helix tube (6) and outer helix tube (5) and the dead in line of housing (14).
6. the heat exchanger that a kind of many group helix tubes are nested according to claim 1, it is characterized in that the cross section of internal layer helix tube (6) is circular tube structure or many ribs hollow-core construction, in the pipe of internal layer helix tube (6), in space or many ribs, space is communicated to space in central straight pipe from top and bottom respectively.
7. the heat exchanger that a kind of many group helix tubes are nested according to claim 1, it is characterized in that the cross section of outer helix tube (5) is circular tube structure or many ribs hollow-core construction, in the pipe of outer helix tube (5), in space or many ribs, space is communicated to space in central straight pipe from top and bottom respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310708716.2A CN103743270B (en) | 2013-12-20 | 2013-12-20 | The heat exchanger that many groups helix tube is nested |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310708716.2A CN103743270B (en) | 2013-12-20 | 2013-12-20 | The heat exchanger that many groups helix tube is nested |
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| Publication Number | Publication Date |
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| CN103743270A CN103743270A (en) | 2014-04-23 |
| CN103743270B true CN103743270B (en) | 2015-10-14 |
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| CN201310708716.2A Expired - Fee Related CN103743270B (en) | 2013-12-20 | 2013-12-20 | The heat exchanger that many groups helix tube is nested |
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| CN105202849A (en) * | 2015-10-23 | 2015-12-30 | 无锡溥汇机械科技有限公司 | Cold air refrigerating device |
| CN108745261B (en) * | 2018-06-04 | 2020-03-17 | 西安交通大学 | Multi-unit metal hydride heat storage reactor |
| CN109931792A (en) * | 2019-01-28 | 2019-06-25 | 沃姆环境设备启东有限公司 | Two-pass highly-efficient heat exchanger |
| CN109876784B (en) * | 2019-03-07 | 2021-10-15 | 山西华青环保股份有限公司 | Activated carbon desulfurization and denitrification experimental device |
| CN113432454B (en) * | 2021-07-14 | 2022-12-06 | 哈尔滨锅炉厂有限责任公司 | Non-circular cross-section double-tube-pass spiral heat exchanger tube bundle structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2030308U (en) * | 1988-04-15 | 1989-01-04 | 黄曾新 | High-efficacy heating converter |
| CN2190276Y (en) * | 1994-04-19 | 1995-02-22 | 刘少怀 | spiral vibration high-efficiency heat exchanger |
| US5964278A (en) * | 1994-05-09 | 1999-10-12 | Kvaerner Engineering A.S | Heat exchanger |
| CN2383031Y (en) * | 1999-07-22 | 2000-06-14 | 苏殿秋 | Hot water exchanger for central heating |
| CN2643261Y (en) * | 2003-08-23 | 2004-09-22 | 山东贝尔新能源有限公司 | Hollow tube and shell type heat exchanger |
| CN103175418A (en) * | 2013-03-14 | 2013-06-26 | 中国科学院理化技术研究所 | Shell-and-tube heat exchanger |
| CN203605761U (en) * | 2013-12-20 | 2014-05-21 | 衢州昀睿工业设计有限公司 | Heat exchanger with multiple groups of embedded spiral pipes |
-
2013
- 2013-12-20 CN CN201310708716.2A patent/CN103743270B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2030308U (en) * | 1988-04-15 | 1989-01-04 | 黄曾新 | High-efficacy heating converter |
| CN2190276Y (en) * | 1994-04-19 | 1995-02-22 | 刘少怀 | spiral vibration high-efficiency heat exchanger |
| US5964278A (en) * | 1994-05-09 | 1999-10-12 | Kvaerner Engineering A.S | Heat exchanger |
| CN2383031Y (en) * | 1999-07-22 | 2000-06-14 | 苏殿秋 | Hot water exchanger for central heating |
| CN2643261Y (en) * | 2003-08-23 | 2004-09-22 | 山东贝尔新能源有限公司 | Hollow tube and shell type heat exchanger |
| CN103175418A (en) * | 2013-03-14 | 2013-06-26 | 中国科学院理化技术研究所 | Shell-and-tube heat exchanger |
| CN203605761U (en) * | 2013-12-20 | 2014-05-21 | 衢州昀睿工业设计有限公司 | Heat exchanger with multiple groups of embedded spiral pipes |
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| CN103743270A (en) | 2014-04-23 |
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Effective date of registration: 20180201 Address after: 300000 north side of Jixian County state highway in Tianjin city (East Hospital of Nestle natural mineral water Co., Ltd. of Tianjin) Patentee after: TIANJIN HUANENG THERMAL EQUIPMENT Co.,Ltd. Address before: Zhejiang province Quzhou City Kecheng District 324000 Kaixuan Road No. 6 (WITHUB industrial design Industrial Park Building 2, room B-302) Patentee before: QUZHOU YUNRUI INDUSTRIAL DESIGN Co.,Ltd. |
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