CN104990432A - Application method of heat exchanger tube bundle - Google Patents
Application method of heat exchanger tube bundle Download PDFInfo
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- CN104990432A CN104990432A CN201510458600.7A CN201510458600A CN104990432A CN 104990432 A CN104990432 A CN 104990432A CN 201510458600 A CN201510458600 A CN 201510458600A CN 104990432 A CN104990432 A CN 104990432A
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- tube
- heat
- pass partition
- heat exchanger
- cooling medium
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Abstract
The invention discloses an application method of a heat exchanger tube bundle. Firstly, a pass partition plate of the tube bundle is arranged to be inclined, when a cooling medium passes through, impact strength of the cooling medium on the pass partition plate can be reduced, and inclination angle of the pass partition plate is arranged in a range of 15-35 DEG, so that the impact strength of the cooling medium is reduced to lowest. A T-shaped reinforcing rib is arranged on the bottom of the pass partition plate, and the T-shaped reinforcing rib enhances stability and impact resistance of the tube bundle. Grooves on the pass partition plate have effect of stream guidance, so that the cooling medium rapidly passes through the tube bundle and exchanges heat with medium flown in from a second liquid inlet pipe, wherein the depth of the groove is 5-12 mm, and flow velocity of the cooling medium is the optimal.
Description
Technical field
The present invention relates to a kind of heat exchanger, specifically refer to a kind of using method of heat exchanger tube.
Background technology
Heat exchanger is that the partial heat of hot fluid is passed to cold fluid, makes fluid temperature (F.T.) reach the heat exchange equipment of technological process set quota, also known as heat exchanger.Heat exchanger is widely used in boiler HVAC field as heat-transfer equipment, and along with the develop rapidly of power-saving technology, the kind of heat exchanger gets more and more.Shell-and-tube (also known as shell and tube) heat exchanger is that shell-and-tube heat exchanger mainly contains housing, tube bank, tube sheet and envelope first class sections composition, and how rounded housing is, and bundle of parallel tubes or helix tube are equipped with in inside, and tube bank two ends are fixed on tube sheet.In shell-and-tube heat exchanger, carry out two kinds of fluids of heat exchange, a kind of at Bottomhole pressure, its stroke is called tube side; In the outer flowing of pipe, its stroke is called shell side, and the wall of tube bank is heat-transfer area; The model of pipe differs, and process is generally diameter 16mm 20mm or 25mm tri-models, and pipe thickness is generally 1mm, 1.5mm, 2mm and 2.5mm.Inlet heat exchanger, diameter is minimum can arrive 8mm, and wall thickness is only 0.6mm, substantially increases heat exchange efficiency, this year also at home market promote gradually and come.Shell-and-tube heat exchanger, helical bundle designs, and can increase turbulence effects to greatest extent, strengthens heat exchange efficiency, the asymmetrical design of interior shell and tube layer, maximumly can reach 4.6 times; This asymmetrical design, determine its extensive use in vapour-water field of heat exchange, maximum heat exchange efficiency can reach 14000w/m2.k, greatly enhances productivity, cost-saving.
Can be divided into by the textural classification of heat exchanger: movable tube sheets heat exchanger, fixed tube-sheet exchanger, U-shaped tubular sheet heat exchanger, plate type heat exchanger etc.Be connected with housing owing to restraining in fixed tube-sheet exchanger, U-shaped tubular sheet heat exchanger, plate type heat exchanger, make to restrain expanded by heating when heat exchange, when the temperature difference between two media is larger, between tube bank and housing, can thermal (temperature difference) stress be produced, and then cause tube bank impaired.
Summary of the invention
The invention provides a kind of using method of heat exchanger tube, conveniently improve heat exchange efficiency when heat exchange process, extend the service life of tube bank.
Object of the present invention reaches by the following technical programs:
The present invention's pass partition is obliquely installed first by tube bank, the impact dynamics of cooling medium to pass partition can be reduced when cooling medium flows through, and the angle of inclination of pass partition is arranged within the scope of 15 ~ 35 °, the impact dynamics of cooling medium is made to be reduced to minimum, the T-shaped reinforcement installed bottom pass partition, can strengthen its stability and impact resistance; Groove on pass partition can play the effect of water conservancy diversion, and cooling medium can be made quickly through tube bank, and the medium flow to the second feed tube carries out heat exchange process, and the degree of depth of its further groove is 5 ~ 12 ㎜, cooling medium flow velocity is arrived best; Wherein, described tube bank comprises housing and is arranged on the tube bank of enclosure interior, one end of tube bank is fixedly connected on housing, the other end of tube bank is freely arranged in housing, the top of housing has the first feed tube and the second feed tube, and the bottom of housing has the first drain pipe and the second feed tube, is also tiltedly installed with pass partition at shell one end, described first feed tube, just to the inclined plane of pass partition, is also provided with T-shaped reinforcement in the bottom of pass partition.
Described tube bank comprises multiple heat-transfer pipe, fixed tube sheet and floating tubesheet, one end of heat-transfer pipe is arranged on fixed tube sheet, the other end of heat-transfer pipe is connected with floating tubesheet, described floating tubesheet is provided with hook circle and butterfly lid, hook circle and butterfly lid pass through Flange joint, also comprise multiple arc upper deflection plate and lower deflection plate, described upper deflection plate and lower deflection plate are disposed on multiple described heat-transfer pipe, the central angle of upper deflection plate and lower deflection plate is 125 °, and the spacing between described adjacent upper deflection plate and lower deflection plate is 0.12 ~ 0.6m.
Described heat-transfer pipe is arranged as equilateral triangle arrangement on floating tubesheet.
Between butterfly lid and floating tubesheet, also sealing gasket is installed.
Described hook circle is Type B hook circle.
The thickness of described butterfly lid is 15 ~ 20 ㎝.
Described floating tubesheet also scribbles polymer composite.
The present invention compared with prior art, there is following advantage and beneficial effect:
1, in the present invention, deflection plate and lower deflection plate not only can play the effect supporting heat-transfer pipe, enclosure interior can also be separated into the Heat Room of multiple connection, the turbulent extent that enhance fluid flows between pipe, enhancing heat transfer, improve heat transfer efficiency, wherein the central angle of deflection plate is 125 °, and the spacing between two adjacent deflection plates is at 0.12 ~ 0.6m, make the turbulent extent of medium between pipe reach maximum horizontal, be conducive to improving heat exchange efficiency.
2, the polymer composite that the present invention scribbles not only makes heat-transfer pipe have stronger impact resistance and corrosion resistance, is also convenient to the quick cleaning dirt of heat-transfer pipe when safeguarding.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of tube bank;
Fig. 2 is that the A of Fig. 1 is to sectional view;
Mark and corresponding parts title in accompanying drawing:
1-heat-transfer pipe, 2-fixed tube sheet, 3-floating tubesheet, 4-hook circle, 5-butterfly lid, 6-deflection plate, 7-housing, 8-flange, 9-sealing gasket, 10-second feed tube, 11-first feed tube, 12-first drain pipe, 13-second drain pipe, 14-overflow baffle, 15-pass partition.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, the present invention's pass partition is obliquely installed first by tube bank, the impact dynamics of cooling medium to pass partition can be reduced when cooling medium flows through, and the angle of inclination of pass partition is arranged within the scope of 15 ~ 35 °, the impact dynamics of cooling medium is made to be reduced to minimum, the T-shaped reinforcement installed bottom pass partition, can strengthen its stability and impact resistance, groove on pass partition can play the effect of water conservancy diversion, and cooling medium can be made quickly through tube bank, and the medium flow to the second feed tube carries out heat exchange process, and the degree of depth of its further groove is 5 ~ 12 ㎜, cooling medium flow velocity is arrived best, tube bank comprises multiple heat-transfer pipe 1, fixed tube sheet 2 and floating tubesheet 3, one end of heat-transfer pipe 1 is arranged on fixed tube sheet 2, the other end of heat-transfer pipe 1 is connected with floating tubesheet 3, described floating tubesheet 3 is provided with hook circle 4 and butterfly lid 5, hook circle 4 is connected by flange 8 with butterfly lid 5, also comprise multiple arc upper deflection plate 6 and lower deflection plate 10, described upper deflection plate 6 and lower deflection plate 10 are disposed on multiple described heat-transfer pipe 1, the central angle of upper deflection plate 6 and lower deflection plate 10 is 125 °, spacing between described adjacent upper deflection plate 6 and lower deflection plate 10 is 0.12 ~ 0.6m, between butterfly lid 5 and floating tubesheet 3, sealing gasket 9 is also installed, described heat-transfer pipe 1 is arranged as equilateral triangle arrangement on floating tubesheet.The one end of restraining in the present invention and housing 7 are fixed, and the tube sheet of the other end can in the housing 7 of heat exchanger free floating, housing 7 and tube bank are freely to thermal expansion, therefore when the temperature difference of two media is larger, can not produce thermal (temperature difference) stress between tube bank and housing 7, avoid they deteriorate such as heat-transfer pipe 1 grade, butterfly lid 5 is designed to removable structure, make heat-transfer pipe 1 easily insert or to extract out, improve maintenance and cleaning efficiency, the heat-transfer pipe 1 of equilateral triangle arrangement can make to manage the outer medium flow through and flow through tube bank quickly and evenly, the temperature difference avoiding the heat-transfer pipe 1 near import department to be subject to managing medium in the temperature of outer medium and heat-transfer pipe 1 increases, cause larger temperature stress poor, cause heat-transfer pipe 1 impaired, heat-transfer pipe 1 arranges multiple arc upper deflection plate 6 and lower deflection plate 10, and it is inner that upper deflection plate 6 and lower deflection plate 10 interval are arranged on heat exchanger shell 7, upper deflection plate 6 and lower deflection plate 10 not only can play the effect supporting heat-transfer pipe 1, housing 7 interior separation can also be become the Heat Room of multiple connection, the turbulent extent that enhance fluid flows between pipe, enhancing heat transfer, improve heat transfer efficiency, the central angle wherein going up deflection plate 6 and lower deflection plate 10 is 125 °, adjacent two upper spacing between deflection plate 6 and lower deflection plate 10 are at 0.12 ~ 0.6m, the turbulent extent of medium between pipe is made to reach maximum horizontal, be conducive to improving heat exchange efficiency, floating tubesheet 3 is gripped by flange 8 by butterfly lid 5 and hook circle 4, ensures the seal of tube bank, prevent managing inside and outside medium and mutually mix, affect heat exchange efficiency when the sealing gasket 9 of setting can make floating tubesheet 3 fluctuate.
Wherein, the thickness of butterfly lid 5 is 15 ~ 20 ㎝, butterfly lid 5 connects for point journey of heat-transfer pipe 1, thickness is arranged within the scope of 15 ~ 20 ㎝, can ensure to restrain performance stable under using for a long time, when thickness is lower than 15 ㎝, the impact resistance of interior medium is managed for heat-transfer pipe 1 and corrosion resistance reduces, and then cause reduce service life; When thickness is more than 20 ㎝, the weight of whole tube bank is increased, once there is larger thermal (temperature difference) stress, floating tubesheet 3 fluctuates slowly, does not offset the thermal (temperature difference) stress produced, and then causes heat-transfer pipe 1 impaired.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the using method of a heat exchanger tube, it is characterized in that: pass partition is obliquely installed first by tube bank, the impact dynamics of cooling medium to pass partition can be reduced when cooling medium flows through, and the angle of inclination of pass partition is arranged within the scope of 15 ~ 35 °, the impact dynamics of cooling medium is made to be reduced to minimum, the T-shaped reinforcement installed bottom pass partition, can strengthen its stability and impact resistance, groove on pass partition can play the effect of water conservancy diversion, and cooling medium can be made quickly through tube bank, and the medium flow to the second feed tube carries out heat exchange process, and the degree of depth of its further groove is 5 ~ 12 ㎜, cooling medium flow velocity is arrived best, wherein, described tube bank comprises housing (7) and is arranged on the inner tube bank of housing (7), one end of tube bank is fixedly connected on housing (7), the other end of tube bank is freely arranged in housing (7), the top of housing (7) has the first feed tube (11) and the second feed tube (10), the bottom of housing (7) has the first drain pipe (11) and the second feed tube (10), pass partition (15) is also tiltedly installed with in housing (7) one end, described first feed tube (11) is just to the inclined plane of pass partition (15), T-shaped reinforcement is also provided with in the bottom of pass partition (15).
2. the using method of a kind of heat exchanger tube according to claim 1, it is characterized in that: described tube bank comprises multiple heat-transfer pipe (1), fixed tube sheet (2) and floating tubesheet (3), one end of heat-transfer pipe (1) is arranged on fixed tube sheet (2), the other end of heat-transfer pipe (1) is connected with floating tubesheet (3), described floating tubesheet (3) is provided with hook circle (4) and butterfly lid (5), hook circle (4) is connected by flange (8) with butterfly lid (5), also comprise multiple arc deflection plate (6), described deflection plate (6) misaligned interval is arranged on multiple described heat-transfer pipe (1), the central angle of deflection plate (6) is 125 °, spacing between described adjacent baffle (6) is 0.12 ~ 0.6m.
3. the using method of a kind of heat exchanger tube according to claim 2, is characterized in that: on described floating tubesheet (3), be also provided with overflow baffle (14), and described overflow baffle (14) is stairstepping.
4. the using method of a kind of heat exchanger tube according to claim 1, is characterized in that: between butterfly lid (5) and floating tubesheet (3), be also provided with sealing gasket (9).
5. the using method of a kind of heat exchanger tube according to claim 4, is characterized in that: the thickness of described butterfly lid (5) is 15 ~ 20 ㎝.
6. the using method of a kind of heat exchanger tube according to claim 3, is characterized in that: on described floating tubesheet (3), also scribble polymer composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458600.7A CN104990432A (en) | 2015-07-31 | 2015-07-31 | Application method of heat exchanger tube bundle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458600.7A CN104990432A (en) | 2015-07-31 | 2015-07-31 | Application method of heat exchanger tube bundle |
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| CN104990432A true CN104990432A (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510458600.7A Pending CN104990432A (en) | 2015-07-31 | 2015-07-31 | Application method of heat exchanger tube bundle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767040A (en) * | 2016-12-20 | 2017-05-31 | 深圳市迅凌科技有限公司 | Column loop type water cooling heat exchanger |
| CN113418408A (en) * | 2021-08-23 | 2021-09-21 | 东营兴盛特种设备科技有限公司 | Heat exchanger for oil field |
| CN114714537A (en) * | 2020-12-22 | 2022-07-08 | 天华化工机械及自动化研究设计院有限公司 | ABS resin drying system |
Citations (7)
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|---|---|---|---|---|
| JPH07260390A (en) * | 1993-11-24 | 1995-10-13 | Standard Fasel Lentjes Bv | Cooler |
| CN202041098U (en) * | 2011-03-15 | 2011-11-16 | 山东北辰压力容器有限公司 | Box-shaped shell-and-tube heat exchanger |
| CN202432893U (en) * | 2011-12-19 | 2012-09-12 | 大连熵立得传热技术有限公司 | Single-expansion-tube preheater |
| CN202902987U (en) * | 2012-07-17 | 2013-04-24 | 大庆市天能波纹管制造有限公司 | Heat exchanger of continuous spiral flow guiding plate |
| CN103575128A (en) * | 2013-11-12 | 2014-02-12 | 成都科盛石油科技有限公司 | Quick heat exchanging device |
| CN203561250U (en) * | 2013-11-12 | 2014-04-23 | 成都科盛石油科技有限公司 | Floating head heat exchanger |
| CN104165534A (en) * | 2014-08-25 | 2014-11-26 | 哈尔滨工程大学 | Tubular heat exchanger with twisted strips in relaxation fit with protruding tubes |
-
2015
- 2015-07-31 CN CN201510458600.7A patent/CN104990432A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07260390A (en) * | 1993-11-24 | 1995-10-13 | Standard Fasel Lentjes Bv | Cooler |
| CN202041098U (en) * | 2011-03-15 | 2011-11-16 | 山东北辰压力容器有限公司 | Box-shaped shell-and-tube heat exchanger |
| CN202432893U (en) * | 2011-12-19 | 2012-09-12 | 大连熵立得传热技术有限公司 | Single-expansion-tube preheater |
| CN202902987U (en) * | 2012-07-17 | 2013-04-24 | 大庆市天能波纹管制造有限公司 | Heat exchanger of continuous spiral flow guiding plate |
| CN103575128A (en) * | 2013-11-12 | 2014-02-12 | 成都科盛石油科技有限公司 | Quick heat exchanging device |
| CN203561250U (en) * | 2013-11-12 | 2014-04-23 | 成都科盛石油科技有限公司 | Floating head heat exchanger |
| CN104165534A (en) * | 2014-08-25 | 2014-11-26 | 哈尔滨工程大学 | Tubular heat exchanger with twisted strips in relaxation fit with protruding tubes |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767040A (en) * | 2016-12-20 | 2017-05-31 | 深圳市迅凌科技有限公司 | Column loop type water cooling heat exchanger |
| CN106767040B (en) * | 2016-12-20 | 2019-02-15 | 深圳市迅凌科技有限公司 | Column loop type water cooling heat exchanger |
| CN114714537A (en) * | 2020-12-22 | 2022-07-08 | 天华化工机械及自动化研究设计院有限公司 | ABS resin drying system |
| CN113418408A (en) * | 2021-08-23 | 2021-09-21 | 东营兴盛特种设备科技有限公司 | Heat exchanger for oil field |
| CN113418408B (en) * | 2021-08-23 | 2021-11-30 | 东营兴盛特种设备科技有限公司 | Heat exchanger for oil field |
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Application publication date: 20151021 |