CN103743270A - Heat exchanger nested by multiple spiral pipes - Google Patents
Heat exchanger nested by multiple spiral pipes Download PDFInfo
- Publication number
- CN103743270A CN103743270A CN201310708716.2A CN201310708716A CN103743270A CN 103743270 A CN103743270 A CN 103743270A CN 201310708716 A CN201310708716 A CN 201310708716A CN 103743270 A CN103743270 A CN 103743270A
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- helix tube
- straight pipe
- central straight
- internal layer
- heat exchanger
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Links
- 230000008676 import Effects 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- 239000007789 gas Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 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
- 238000010521 absorption reaction Methods 0.000 description 1
- 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
- 239000000112 cooling gas Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Abstract
The invention discloses a heat exchanger nested by multiple spiral pipes and relates to a heat exchange device. The heat exchanger is mainly formed by a central straight pipe, the spiral pipes and a shell. The central straight pipe, the inner-layer spiral pipe and the outer-layer spiral pipe are arranged in an inner space of the shell. The periphery of the central straight pipe is nested by the inner-layer spiral pipe, and the periphery of the inner-layer spiral pipe is nested by the outer-layer spiral pipes. An inlet of the inner-layer spiral pipe and an inlet of the outer-layer spiral pipe are connected to the upper segment of the central straight pipe, and an outlet of the inner-layer spiral pipe and an outlet of the outer-layer spiral pipe are connected to the lower segment of the central straight pipe. The inner space of the shell forms a heat exchange chamber. An auxiliary connector a is connected into the lower portion of the shell, an auxiliary connector b is connected out from the upper portion of the shell, a main connector a is connected into the upper end of the central straight pipe, and a main connector b is connected out from the lower end of the central straight pipe. According to the heat exchanger, the multiple spiral pipes are nested, the space of the heat exchange chamber can be fully utilized, the area of a heat exchange surface is increased, and heat exchange efficiency is enhanced. Compared with an existing heat exchanger, the heat exchanger is simple in structure, low in cost and wider in use.
Description
Technical field
The present invention relates to a kind of heat-exchange apparatus, specially refer to a kind of spiral-tube heat exchange.
Background technology
Heat exchanger is for making 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 departments, occupy aborning critical role, in Chemical Manufacture as uses such as heater, cooler, condenser, evaporimeter and reboilers.Current heat exchanger is divided into dividing wall type, hybrid, heat accumulating type three major types, and dividing wall type is simple in structure, but its heating surface receptor wall limits and make heat transfer coefficient not high; Hybridly only be confined to allow the occasion that fluid mixes mutually to use; The heat exchange of heat exchanger need divide two stages to carry out, and heating period and cooling stage hocket, and in use, are limited to.
Current, apply more have coil pipe heat exchanger, heat-exchangers of the plate type and shell-and-tube exchanger, wherein, the advantage of coil pipe heat exchanger is simple in structure, can bear high pressure, its shortcoming is that liquid in container less turbulence is low, manages outer heat transfer coefficient little; The agent structure of heat-exchangers of the plate type is comprised 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, has the limitation of using; Shell-and-tube exchanger is mainly partly comprised of housing, tube bank, tube sheet and end socket etc., and the wall of tube bank is heat-transfer area, can apply in vapour-water heat exchange field, but have 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 a kind of simple in structure, heat exchanger of making full use of space, heat exchanger effectiveness is high, application is wide and cost is low many groups helix tube nested type.
The nested heat exchanger of many group helix tubes of the present invention, it is characterized in that heat exchanger is mainly comprised 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 there are respectively the interface of internal layer helix tube (6) and the interface of outer helix tube (5) in the epimere of central straight pipe (2) position and hypomere (12) position; Internal layer helix tube (6) is nested in the periphery of central straight pipe, between internal layer helix tube (6) and central straight pipe, have living space, 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), between outer helix tube (5) and internal layer helix tube (6), have living space, 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 or passes from the top of housing (14) from the center of shrouding suitable for reading (16), there is main interface a(1 the upper end of central straight pipe) access, the lower end of central straight pipe passes or passes from the bottom of housing (14) from the center of end opening shrouding (9), 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 it is successively nested from inside to outside as axle center that more than two groups helix tubes be take central straight pipe, and more than two groups helix tubes 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 import (15) of outer helix tube (5) is the upper end of helical layer pipe (5) outside, and the outlet (8) of outer helix tube (5) is the lower end of 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 respectively the interior space of central straight pipe from top and bottom; 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 respectively the interior space of central straight pipe from top and bottom.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-liquid, gas-gas, as cooler or heater, uses.When using as cooler, needing cooling gas 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 by secondary interface a(11) enter into heat-exchanging chamber (7), cooling matchmaker's water or cold air, by the tube wall heat absorption exchange of central straight pipe, internal layer helix tube (6) and outer helix tube (5), are cooled gas or liquid in central straight pipe, internal layer helix tube (6) and outer helix tube (5) pipe; When using as heater, the gas of need heating 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 and carry out heat release exchange by the tube wall of central straight pipe, internal layer helix tube (6) and outer helix tube (5), make gas or liquid in central straight pipe, internal layer helix tube (6) and outer helix tube (5) pipe obtain heat temperature raising.
Above-mentioned invention is need heating or need cooling flowing material to carry out heat exchange by the heated passage in helix tube, thereby the physics stroke of flowing material in heat exchanger lengthened, thereby 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, thereby exchange efficiency is improved; Helix tube has very high bearing capacity, can be in high pressure or super-pressure applications, and be adapted at the heat exchange between liquid-liquid, gas-liquid, gas-gas, therefore, application is more extensive.
The invention has the beneficial effects as follows: adopt many group helix tubes with parallel way, to be connected to the measure at central straight pipe two ends, compare with existing coil pipe heat exchanger, heat-exchangers of the plate type and shell-and-tube exchanger, make simple in structure 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, increases heat-transfer area, and 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.
The specific embodiment
In embodiment shown in the drawings, the nested heat exchanger of many group helix tubes is mainly comprised 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 there are respectively the interface of internal layer helix tube (6) and the interface of outer helix tube (5) in the epimere of central straight pipe (2) position and hypomere (12) position; Internal layer helix tube (6) is nested in the periphery of central straight pipe, between internal layer helix tube (6) and central straight pipe, have living space, 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), between outer helix tube (5) and internal layer helix tube (6), have living space, 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 or passes from the top of housing (14) from the center of shrouding suitable for reading (16), there is main interface a(1 the upper end of central straight pipe) access, the lower end of central straight pipe passes or passes from the bottom of housing (14) from the center of end opening shrouding (9), 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 central straight pipe around, 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 import (15) of outer helix tube (5) is the upper end of helical layer pipe (5) outside, and the outlet (8) of outer helix tube (5) is the lower end of 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 respectively the interior space of central straight pipe from top and bottom.
Above-described embodiment is applied as the pre-heating device of unstripped gas and the cooling system of methanol product on the production line of synthesizing methanol.While using as the pre-heating device of unstripped gas, the main interface b(10 of heat exchanger) be connected on the exhaust port of feed gas compressor, the main interface a(1 of heat exchanger) be connected on the input interface of methanol synthesis reactor, the secondary interface b(3 of heat exchanger) be connected on the water supply line that adds heat medium water, secondary interface a(11) be connected on the water return pipeline that adds 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 pass through 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 again methanol synthesis reactor and carry out catalytic reaction, methanol product.While using as the cooling system of methanol product, the main interface a(1 of heat exchanger) be connected on the output interface of methanol synthesis reactor, the main interface b(10 of 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) output enters into distillation equipment and carries out separation, extract methanol product.
Claims (7)
1. one kind, organize the nested heat exchanger of helix tube more, it is characterized in that heat exchanger is mainly comprised 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 there are respectively the interface of internal layer helix tube (6) and the interface of outer helix tube (5) in the epimere of central straight pipe (2) position and hypomere (12) position; Internal layer helix tube (6) is nested in the periphery of central straight pipe, between internal layer helix tube (6) and central straight pipe, have living space, 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), between outer helix tube (5) and internal layer helix tube (6), have living space, 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 or passes from the top of housing (14) from the center of shrouding suitable for reading (16), there is main interface a(1 the upper end of central straight pipe) access, the lower end of central straight pipe passes or passes from the bottom of housing (14) from the center of end opening shrouding (9), and there is main interface b(10 the lower end of central straight pipe) pick out.
2. the nested heat exchanger of a kind of many group helix tubes according to claim 1, it is characterized in that helix tube is more than two groups, it is successively nested from inside to outside as axle center that more than two groups helix tubes be take central straight pipe, and more than two groups helix tubes is connected to the two ends of central straight pipe with parallel way.
3. the nested heat exchanger of a kind of many group helix tubes 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 nested heat exchanger of a kind of many group helix tubes according to claim 1, the import (15) that it is characterized in that outer helix tube (5) is the upper end of helical layer pipe (5) outside, and the outlet (8) of outer helix tube (5) is the lower end of helical layer pipe (5) outside.
5. the nested heat exchanger of a kind of many group helix tubes according to claim 1, is characterized in that housing (14) is for 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 nested heat exchanger of a kind of many group helix tubes according to claim 1, the cross section that it is characterized in that 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 respectively the interior space of central straight pipe from top and bottom.
7. the nested heat exchanger of a kind of many group helix tubes according to claim 1, the cross section that it is characterized in that 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 respectively the interior space of central straight pipe from top and bottom.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103743270A true CN103743270A (en) | 2014-04-23 |
| CN103743270B CN103743270B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310708716.2A Expired - Fee Related CN103743270B (en) | 2013-12-20 | 2013-12-20 | The heat exchanger that many groups helix tube is nested |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103743270B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990431A (en) * | 2015-07-29 | 2015-10-21 | 河南红东方化工股份有限公司 | Built-in screw-conveyer heat exchanger |
| CN105202849A (en) * | 2015-10-23 | 2015-12-30 | 无锡溥汇机械科技有限公司 | Cold air refrigerating device |
| CN108745261A (en) * | 2018-06-04 | 2018-11-06 | 西安交通大学 | A kind of multiple-unit metal hydride accumulation of heat reactor |
| CN109876784A (en) * | 2019-03-07 | 2019-06-14 | 大同新成新材料股份有限公司 | A kind of active carbon desulfurization denitration experimental provision |
| 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 |
| CN113432454A (en) * | 2021-07-14 | 2021-09-24 | 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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| CN2030308U (en) * | 1988-04-15 | 1989-01-04 | 黄曾新 | High-efficacy heating converter |
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| 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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2013
- 2013-12-20 CN CN201310708716.2A patent/CN103743270B/en not_active Expired - Fee Related
Patent Citations (7)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990431A (en) * | 2015-07-29 | 2015-10-21 | 河南红东方化工股份有限公司 | Built-in screw-conveyer heat exchanger |
| CN105202849A (en) * | 2015-10-23 | 2015-12-30 | 无锡溥汇机械科技有限公司 | Cold air refrigerating device |
| CN108745261A (en) * | 2018-06-04 | 2018-11-06 | 西安交通大学 | A kind of multiple-unit metal hydride accumulation of heat 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 |
| CN109876784A (en) * | 2019-03-07 | 2019-06-14 | 大同新成新材料股份有限公司 | A kind of active carbon desulfurization denitration experimental provision |
| 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 |
| CN113432454A (en) * | 2021-07-14 | 2021-09-24 | 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 | Publication date |
|---|---|
| CN103743270B (en) | 2015-10-14 |
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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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Granted publication date: 20151014 |