CN103047883A - Square shell and tube heat exchanger with waved tube - Google Patents
Square shell and tube heat exchanger with waved tube Download PDFInfo
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- CN103047883A CN103047883A CN2013100109955A CN201310010995A CN103047883A CN 103047883 A CN103047883 A CN 103047883A CN 2013100109955 A CN2013100109955 A CN 2013100109955A CN 201310010995 A CN201310010995 A CN 201310010995A CN 103047883 A CN103047883 A CN 103047883A
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Abstract
The invention provides a square shell and tube heat exchanger with a waved tube. The shell and tube heat exchanger comprises a square drum, a heat exchange tube and a tube plate, wherein the tube plate comprises an upper tube plate body and a lower tube plate body, the upper tube plate body, the lower tube plate body and the square drum form airtight space, the heat exchange tube is arranged in the air tight space, an airtight upper head is arranged on the left side of the upper tube plate body and provided with a tube pass fluid outlet, an airtight lower head is arranged on the right side of the lower tube plate body and provided with a tube pass fluid inlet, the upper and lower tube plate bodies are provided with holes, two ends of the heat exchange tube are fixed by holes of the upper and lower tube plate bodies respectively and communicated with the upper and lower heads respectively, a shell pass fluid inlet is arranged on the right side of the upper tube plate body on the square drum, and a shell pass fluid outlet is arranged on the left side of the lower tube plate body on the square drum. According to the shell and tube heat exchanger, the heat exchange performance is enhanced substantially, thermal stress generated during uneven heating of the tube can be absorbed through appropriate deformation, flow directions are continuously changed along with the waved structure of the tube wall, and scaling on the surface of the tube can be inhibited through the generated scouring action.
Description
Technical field
What the present invention relates to is the heat exchanger of a kind of thermal conduction study and enhanced heat exchange technical field.
Background technology
Shell-and-tube heat exchanger is that some heat-transfer pipes are connected with tube sheet, and heating surface bank be arranged in parallel, the heat exchanger that externally is formed by connecting with housing and tube sheet again.The scope of application in industry of shell-and-tube heat exchanger is maximum at present, and frequency of utilization is also the highest.
The core component of shell-and-tube heat exchanger is heat-transfer pipe, and the quality of its exchange capability of heat has directly determined the quality of heat exchanger performance.Along with deepening continuously of enhanced heat exchange technical research, people develop a lot of enhanced heat exchange elements, and corrugated pipes is one of them.The corrugated pipes utilization makes tube fluid produce strong Secondary Flow when flowing along the warp architecture of the positive anti-change of axis direction, thereby plays the effect of enhanced heat exchange.But in the actual industrial production process, the tube bundle support structure becomes the principal element that restriction waveform heat exchanger tube is applied to heat exchanger.When traditional segmental baffle is applied to the waveform heat exchanger tube, because the wavy shaped configuration that corrugated pipes has, so that poling process difficulty strengthens, perforate precision and processing technology for deflection plate also proposed more harsh requirement simultaneously, and this has increased the manufacturing cost of Wave tube heat exchanger to a great extent.Therefore, research a kind of have the waveform heat exchanger tube of Rational structure and with it matched tube bundle support structure display get particularly important.
Both at home and abroad the research of Wave tube heat exchanger is not yet fully carried out at present, Patents about Wave tube heat exchanger is also very few, only have two patents of invention: the patent No. is that the Wave tube heat exchanger that the patent book of 94225614.X proposes has provided rough schematic diagram, in the heat exchanger cylindrical shell, draw some parallel waves and represent heat exchanger tube, do not point out corrugated pipes structure, its in cylindrical shell concrete arrangement form and and deflection plate between fit system, thereby its design can't be satisfied the specification requirement of heat exchanger actual production and use; The patent No. is that 200610165381.4 patent book is with the heat exchange element of Wave-shaped helical groove heat exchange tube as heat exchanger, the schematic perspective view of several heat exchangers is provided, but its structure can't satisfy the design requirement of water-water heat exchanger, and its described Wave-shaped helical groove heat exchange tube is made difficulty, be difficult to bear high pressure, thereby its application scenario only limits in the lower automobile exhaust gas cooling system of pressure.
Summary of the invention
The object of the present invention is to provide the waveform heat exchanger tube is applied to corrugated pipes rectangular tube shell heat exchanger in the shell heat exchanger.
The object of the present invention is achieved like this:
Corrugated pipes rectangular tube shell heat exchanger of the present invention, it is characterized in that: comprise square cylinder, heat exchanger tube, tube sheet, tube sheet comprises upper perforated plate and lower perforated plate, upper perforated plate, lower perforated plate and square cylinder form confined space, heat exchanger tube is arranged in the confined space, the upper perforated plate left side arranges airtight upper cover, the tube side fluid outlet is set on the upper cover, the lower perforated plate right side arranges airtight low head, the tube side fluid import is set on the low head, be provided with the hole on upper perforated plate and the lower perforated plate, the two ends of heat exchanger tube are fixed by the hole on upper perforated plate and the lower perforated plate respectively and are communicated with respectively upper cover and low head, be positioned at the upper perforated plate right positions at square cylinder the shell-side fluid import is set, be positioned at the lower perforated plate leftward position shell-side fluid outlet is set.
The present invention can also comprise:
1, also comprise the pull bar sleeve, the pull bar sleeve is fixed between upper perforated plate and the lower perforated plate, is fixed with deflection plate on the pull bar sleeve, arranges porosely on the deflection plate, and heat exchanger tube is fixed by passing on the deflection plate mode in hole.
2, described deflection plate has two at least, and the confined space that upper perforated plate, lower perforated plate and square cylinder are formed is separated into the passage that crawls.
3, the profile of described heat exchanger tube is waveform, and crooked radian is between 10 degree-90 degree, and shape of cross section is square or circular, and heat exchanger tube is uniformly distributed in the confined space that upper perforated plate, lower perforated plate and square cylinder form.
Advantage of the present invention is:
1, compare with light pipe, the wave structure heat exchanger tube that uses among the present invention has following feature: because its runner setback are changeable, medium flows in pipe and repeatedly changes flow direction, has produced Secondary Flow, and heat exchange property is significantly strengthened; The wave structure of pipe can be absorbed in by suitable deformation the thermal stress that pipe is heated and produces when inhomogeneous; Flow is when wave structure, and flow direction can constantly change along the wave structure of tube wall, and the souring of generation can suppress pipe surface and produce fouling, has certain automatically cleaning ability; Processing method is relatively simple, does not destroy heat exchanger tube frame for movement, and is less on its mechanical performance impact, can work in high temperature, hyperbaric environment.
2, the heat exchanger tube among the present invention is formed by the alternate layout with straight length of wave pipeline section, the design of straight length has solved corrugated pipes poling hard problem, reduced the requirement to deflection plate machining accuracy and technique, simplified the assembling process of heat exchanger tube and deflection plate, straight length can differently according to the spacing of deflection plate increase or reduce, so that heat exchanger tube has is flexible and changeable, the characteristics that applicability is strong.
3, the corresponding square cylinder of the heat-exchanging tube bundle among the present invention adopts square arrangement, and such mode can improve the shell side space availability ratio, and shell-side fluid is more abundant with contacting of heat-exchanging tube bundle, thereby so that exchange capability of heat significantly improve.
4, the embedded heat exchanger tube supporting construction of the lath that adopts among the present invention, well solved the matching problem between waveform heat exchanger tube and the deflection plate, avoided the series of problems that brings owing to poling, simplified assembling process, relax the requirement to processing technology, significantly reduced the manufacturing cost of Wave tube heat exchanger.
5, fix by the pull bar of peripheral hardware sleeve between the deflection plate among the present invention, guarantee that like this axial location of deflection plate under fluid impact is constant, thereby guarantee the integrally-built integrality of heat exchanger and raising heat exchanger life-span.
Description of drawings
Fig. 1 is structure schematic diagram of the present invention;
Fig. 2 is waveform heat exchanger tube schematic diagram;
Fig. 3 is baffle arrangement and lath assembling schematic diagram;
Fig. 4 is that the baffling grillage cooperates the 3D schematic diagram with lath.
The specific embodiment
For example the present invention is described in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1～4, corrugated pipes rectangular tube shell heat exchanger among the present invention: its composition comprises: square cylinder 1, heat-exchanging tube bundle 2, tube sheet 3,4, upper cover 5, low head 6, deflection plate 7, pull bar 8, shell-side fluid import 9, shell-side fluid outlet 10, tube side fluid import 11 and tube side fluid outlet 12, shell-side fluid import 9 on the square cylinder 1 and shell-side fluid outlet 10 employing sides are advanced side and are gone out form, be installed in respectively the shell-side two ends near the position of upper cover 5 and low head 6, shell-side fluid flows out the shell side space behind the serpentine channel transversal flow heat exchanger tube of deflection plate formation; Tube side fluid import 11 and tube side fluid outlet 12 lay respectively at the center of low head 6 and upper cover 5, and tube side fluid flows into and outflow tube side space along housing direction in heat exchanger tube; Heat-exchanging tube bundle 2 mixes the heat exchanger tube that forms by some corrugated pipes and is arranged in parallel and forms with straight tube, the heat-exchanging tube bundle two ends are fixed by tube sheet 3,4, and the middle part is fixed by the deflection plate 7 that links to each other with tube sheet 3 by pull bar 8; Heat exchanger adopts reflux type to carry out heat exchange.When carrying out heat exchange, shell-side fluid is flowed into by shell-side fluid import 9, is washing away heat-exchanging tube bundle 2 through under the guide effect of deflection plate, is flowed out by shell-side fluid outlet 10 after finishing heat exchange; Tube side fluid flows into upper covers 5 by pipe side liquid import 11, enters in the heat-exchanging tube bundle 2 by the heat exchange mouth of pipe on the tube sheet 3, enters low head 6 by the heat exchange mouth of pipe on the tube sheet 4 finish heat exchange in pipe after, exports 12 outflow heat exchangers by tube side fluid at last.
By reference to the accompanying drawings 2, shown waveform heat exchanger tube is formed by the alternate layout with straight tube of corrugated pipes; Heat exchanger tube head and the tail two ends are straight length, and length is slightly larger than tube plate thickness, and mid portion straight length position determines that according to Lourver position adjacent straight pipeline section centre-to-centre spacing is identical with adjacent baffle centre-to-centre spacing, and flow development length is slightly larger than deflection plate thickness; Filled by the wave pipeline section between the adjacent straight pipeline section, the wave pipeline section is formed by the identical circular arc pipeline section smooth connection of some radians, and crooked radian is between 10 °～90 °, and adjacent circular arc pipeline section bending direction is opposite, and all in same plane.
By reference to the accompanying drawings 3, deflection plate is cooperated by baffling grillage and lath and forms, and has side by side some rectangular indentation on the baffling grillage, and open side is towards the heat exchanger center, and adjacent breach centreline spacing is identical with adjacent heat exchange tubes centre-to-centre spacing; Insert the lath of one group of symmetrical splicing in each breach, size need guarantee just can insert baffle gap after every group of relative splicing of lath, and closely cooperates with it.Each lath is slightly larger than the semi-circular through hole of heat exchanger tube external diameter cooperating side to have a columns (this quantity should greater than half of every row heat exchanger tube radical) internal diameter with another lath on the same group, the center of circle is positioned at lath and clamps heat exchanger tube one lateral edges, and the hole heart is apart from equaling heat exchanger tube centre-to-centre spacing.So that the hole slot amalgamation of two laths just in time can clamp several heat exchanger tubes on the same file together, indirectly reached the poling effect like this.
By reference to the accompanying drawings 4, first the straight length of heat exchanger tube is inserted in the hole slot of lath when heat-exchanging tube bundle and deflection plate assembling, after the lath combination of heat exchanger tube and correspondence is complete, the lath that accompanies heat exchanger tube of the same deflection plate of correspondence is moved to same plane, insert in the breach of baffling grillage, be welded to each other lath and deflection plate fixing at last.Deflection plate is divided into deflection plate and lower deflection plate in the heat exchanger, and shell-side fluid is approximate transversal flow heat-exchanging tube bundle in the serpentine channel that deflection plate separates up and down.Fix by pull bar between the adjacent baffle, it is constant to guarantee the deflection plate axial location that pull bar is provided with sleeve pipe outward.
Claims (4)
1. corrugated pipes rectangular tube shell heat exchanger, it is characterized in that: comprise square cylinder, heat exchanger tube, tube sheet, tube sheet comprises upper perforated plate and lower perforated plate, upper perforated plate, lower perforated plate and square cylinder form confined space, heat exchanger tube is arranged in the confined space, the upper perforated plate left side arranges airtight upper cover, the tube side fluid outlet is set on the upper cover, the lower perforated plate right side arranges airtight low head, the tube side fluid import is set on the low head, be provided with the hole on upper perforated plate and the lower perforated plate, the two ends of heat exchanger tube are fixed by the hole on upper perforated plate and the lower perforated plate respectively and are communicated with respectively upper cover and low head, be positioned at the upper perforated plate right positions at square cylinder the shell-side fluid import is set, be positioned at the lower perforated plate leftward position shell-side fluid outlet is set.
2. corrugated pipes rectangular tube shell heat exchanger according to claim 1, it is characterized in that: also comprise the pull bar sleeve, the pull bar sleeve is fixed between upper perforated plate and the lower perforated plate, be fixed with deflection plate on the pull bar sleeve, arrange porosely on the deflection plate, heat exchanger tube is fixed by passing on the deflection plate mode in hole.
3. corrugated pipes rectangular tube shell heat exchanger according to claim 2, it is characterized in that: described deflection plate has two at least, and the confined space that upper perforated plate, lower perforated plate and square cylinder are formed is separated into the passage that crawls.
4. arbitrary described corrugated pipes rectangular tube shell heat exchanger according to claim 1-3, it is characterized in that: the profile of described heat exchanger tube is waveform, crooked radian is between 10 degree-90 degree, shape of cross section is square or circular, and heat exchanger tube is uniformly distributed in the confined space that upper perforated plate, lower perforated plate and square cylinder form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100109955A CN103047883A (en) | 2013-01-11 | 2013-01-11 | Square shell and tube heat exchanger with waved tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100109955A CN103047883A (en) | 2013-01-11 | 2013-01-11 | Square shell and tube heat exchanger with waved tube |
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| CN103047883A true CN103047883A (en) | 2013-04-17 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439380A (en) * | 2016-12-01 | 2017-02-22 | 长江大学 | Centralized scaling device of oilfield gathering and transportation system |
| CN106621426A (en) * | 2015-11-01 | 2017-05-10 | 江苏景泰石油化工装备有限公司 | Corrosion-resistant three-effect evaporator |
| CN107673360A (en) * | 2017-11-13 | 2018-02-09 | 浙江工业大学上虞研究院有限公司 | For preparing the chemical industry equipment of trichlorosilane |
| CN107720758A (en) * | 2017-11-13 | 2018-02-23 | 浙江工业大学上虞研究院有限公司 | Chemical industry production system |
| CN109631419A (en) * | 2018-12-20 | 2019-04-16 | 广州美的华凌冰箱有限公司 | Heat-exchange device and refrigerator |
| CN109732536A (en) * | 2018-12-29 | 2019-05-10 | 东方电气集团东方锅炉股份有限公司 | A kind of double tubesheet arch heat exchanger tube poling technique |
| CN109945683A (en) * | 2019-03-16 | 2019-06-28 | 南通文鼎换热设备科技有限公司 | A kind of efficient coiled pipe heating and ventilating equipment of Dean Vortice effect |
| CN110425551A (en) * | 2019-08-14 | 2019-11-08 | 湖北金鹏三益环保科技有限公司 | A kind of low energy consumption flue gas purification system and its purification method |
| CN111852658A (en) * | 2020-07-24 | 2020-10-30 | 贵州永红航空机械有限责任公司 | High-temperature and high-pressure tube-shell type lubricating oil burning radiator |
| CN114543555A (en) * | 2022-01-25 | 2022-05-27 | 中国船舶重工集团公司第七一九研究所 | Heat exchange unit and heat exchanger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198589Y (en) * | 1994-01-24 | 1995-05-24 | 王闰 | Wave tube heat exchanger |
| CN2676130Y (en) * | 2003-12-22 | 2005-02-02 | 四平市北方压力容器制造厂 | Arc-line ring shaped bellows type heat exchanger |
| CN202204355U (en) * | 2011-07-04 | 2012-04-25 | 德庆县银龙实业有限公司 | Horizontal type heat exchanger |
| CN202511657U (en) * | 2012-03-27 | 2012-10-31 | 中能纪（北京）国际科技有限公司 | Spiral grooved tube anti-corrosion heat exchanger |
-
2013
- 2013-01-11 CN CN2013100109955A patent/CN103047883A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198589Y (en) * | 1994-01-24 | 1995-05-24 | 王闰 | Wave tube heat exchanger |
| CN2676130Y (en) * | 2003-12-22 | 2005-02-02 | 四平市北方压力容器制造厂 | Arc-line ring shaped bellows type heat exchanger |
| CN202204355U (en) * | 2011-07-04 | 2012-04-25 | 德庆县银龙实业有限公司 | Horizontal type heat exchanger |
| CN202511657U (en) * | 2012-03-27 | 2012-10-31 | 中能纪（北京）国际科技有限公司 | Spiral grooved tube anti-corrosion heat exchanger |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621426A (en) * | 2015-11-01 | 2017-05-10 | 江苏景泰石油化工装备有限公司 | Corrosion-resistant three-effect evaporator |
| CN106439380A (en) * | 2016-12-01 | 2017-02-22 | 长江大学 | Centralized scaling device of oilfield gathering and transportation system |
| CN106439380B (en) * | 2016-12-01 | 2019-08-06 | 长江大学 | A kind of oilfield transportation system concentration fouling device |
| CN107673360A (en) * | 2017-11-13 | 2018-02-09 | 浙江工业大学上虞研究院有限公司 | For preparing the chemical industry equipment of trichlorosilane |
| CN107720758A (en) * | 2017-11-13 | 2018-02-23 | 浙江工业大学上虞研究院有限公司 | Chemical industry production system |
| CN109631419A (en) * | 2018-12-20 | 2019-04-16 | 广州美的华凌冰箱有限公司 | Heat-exchange device and refrigerator |
| CN109732536A (en) * | 2018-12-29 | 2019-05-10 | 东方电气集团东方锅炉股份有限公司 | A kind of double tubesheet arch heat exchanger tube poling technique |
| CN109945683A (en) * | 2019-03-16 | 2019-06-28 | 南通文鼎换热设备科技有限公司 | A kind of efficient coiled pipe heating and ventilating equipment of Dean Vortice effect |
| CN110425551A (en) * | 2019-08-14 | 2019-11-08 | 湖北金鹏三益环保科技有限公司 | A kind of low energy consumption flue gas purification system and its purification method |
| CN111852658A (en) * | 2020-07-24 | 2020-10-30 | 贵州永红航空机械有限责任公司 | High-temperature and high-pressure tube-shell type lubricating oil burning radiator |
| CN111852658B (en) * | 2020-07-24 | 2021-05-18 | 大连理工大学 | High-temperature and high-pressure tube-shell type lubricating oil burning radiator |
| CN114543555A (en) * | 2022-01-25 | 2022-05-27 | 中国船舶重工集团公司第七一九研究所 | Heat exchange unit and heat exchanger |
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Application publication date: 20130417 |