CN100334416C - Shell and tube type heat exchanger with sharply enlarged accelerated flow zooming tube bundle and hollow ring - Google Patents
Shell and tube type heat exchanger with sharply enlarged accelerated flow zooming tube bundle and hollow ring Download PDFInfo
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- CN100334416C CN100334416C CNB2004100153179A CN200410015317A CN100334416C CN 100334416 C CN100334416 C CN 100334416C CN B2004100153179 A CNB2004100153179 A CN B2004100153179A CN 200410015317 A CN200410015317 A CN 200410015317A CN 100334416 C CN100334416 C CN 100334416C
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- tube bundle
- accelerated flow
- ring
- sharp expansion
- diverging tube
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Abstract
The present invention relates to a shell and tube type heat exchanger of a hollow ring of a fast expanding accelerated flow zooming pipe bundle, which is composed of an annular shell-pass inlet section, an axial flow section and an annular shell-pass outlet section. The present invention mainly comprises a casing, a hollow ring net plate, a shell-pass inlet flow distributing plate, a fast expanding accelerated flow zooming pipe bundle, a shell-pass fluid outlet, an upper pipe plate, a lower pipe plate, a gas inlet ring sleeve, a gas outlet ring sleeve, a gas inlet circumferential notch, a gas outlet circumferential notch, an upper end socket, a lower end socket and a supporting base. The present invention adopting the fast expanding accelerated flow zooming pipe as a heat-transfer pipe and the hollow ring net plate as supporters in the pipe has the advantages of high heat-transfer coefficient, small fluid resistance, small equipment material consumption, less consumption, compact volume, etc. The present invention is suitable for occasions with low-density, large volume flow rate and deep heat exchange.
Description
Technical field
The invention belongs to heat conduction reinforced technical field, relate to sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger.
Background technology
Existing heat exchanger is the support configuration aspects between pipe, mainly contain single bow baffling dividing plate, bouble-bow baffling dividing plate, dish ring baffling dividing plate etc., the heat exchanger that uses in industry at present is more with the structure of single bow baffling dividing plate supporting tube bank, and its major defect is that the fluid body resistance that causes of baffling is big; Aspect heat transfer tube configuration, mainly contain the convergent-divergent pipe, but existing convergent-divergent pipe has weak point: because its effect of flowing and having reduction to conduct heat at the fluid of expansion braking section, and in the mobile effect that augmentation of heat transfer is arranged of the fluid that shrinks accelerating sections, the structure of existing convergent-divergent pipe is that the expansion pipeline section is 1: 1～1: 2 with the length of shrinking pipeline section in the ratio of convergent-divergent section pitch, because of the expansion segment proportion bigger, so the attenuation that conducts heat when fluid flows is comparatively obvious, thereby causes total augmentation of heat transfer efficient not high enough.
Summary of the invention
The object of the present invention is to provide a kind of sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger, it has improved the heat transfer and the flow resistance performance of shell side axial flow heat exchanger, than shell side axial flow heat exchanger shell pass fluid resistance was low in the past, and the heat transfer coefficient height.
The present invention realizes by following technical proposals, the structural representation of sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger as shown in Figure 1, its A-A to view as shown in Figure 2, cavity ring web plate schematic diagram as shown in Figure 3, the sharp expansion and accelerated flow converging-diverging tube schematic diagram is as shown in Figure 4.The present invention mainly comprises air inlet circumferential cut 1, air inlet ring set 2, shell-side fluid outlet 3, upper cover 4, upper perforated plate 5, the ring set 6 of giving vent to anger, the circumferential cut of giving vent to anger 7, sharp expansion and accelerated flow converging-diverging tube bundle 8, cavity ring web plate 9, housing 10, shell side inlet air flow distribution grid 11, shell-side fluid inlet 12, lower perforated plate 13, low head 14 and bearing 15.The present invention is made up of for three sections annular shell side entrance, axial flow section and annular shell side outlet section, annular shell side entrance is by annular space between the inwall of air inlet ring set 2 and housing 10 outer walls, is made of the air inlet circumferential cut 1 of housing 10, the outer wall of sharp expansion and accelerated flow converging-diverging tube bundle 8 inducers, the inwall and the lower perforated plate 13 of housing 10; Axial flow section is that the outer surface by support between the inwall of the outer wall of sharp expansion and accelerated flow converging-diverging tube bundle 8 axial flow sections, housing 10 and uniform vertically some blocks of cavity ring web plate 9 pipes constitutes; Annular shell side outlet section is by annular space between the inwall of the ring set 6 of giving vent to anger and housing 10 outer walls, is made of the circumferential cut 7 of giving vent to anger of housing 10, the outer wall of sharp expansion and accelerated flow converging-diverging tube bundle 8 outlet sections, the inwall and the upper perforated plate 5 of housing 10.
The mutual alignment of each parts of this heat exchanger and annexation are: at housing 10 and upper perforated plate 5, in the lower perforated plate 13, sharp expansion and accelerated flow converging-diverging tube bundle 8 presses square vertically or the triangle tube spacing is arranged, and under supporting role between some blocks of uniform vertically cavity ring web plate 9 pipes, evenly distribute, constitute the shell side shaft orientation flowing channel of sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger, and the annular space of 10 of air inlet ring set 2 and housings, air inlet circumferential cut 1 constitutes the access road of shell side, the give vent to anger annular space of 10 of ring set 6 and housings, the circumferential cut of giving vent to anger 7 constitutes the exit passageway of shell side, upper cover 4 and the inboard pipe inner flow passage that constitutes sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger of the pipe of low head 14 and sharp expansion and accelerated flow converging-diverging tube bundle 8, the bottom of bearing 15 supporting sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchangers, and shell side inlet air flow distribution grid 11 reaches before first block of cavity ring web plate 9 of longshore current direction of flow after being placed in air inlet circumferential cut 1, upper perforated plate 5 and housing 10, sharp expansion and accelerated flow converging-diverging tube bundle 8, give vent to anger between the ring set 6 all with being weldingly connected, lower perforated plate 13 and housing 10, sharp expansion and accelerated flow converging-diverging tube bundle 8, also all use between the air inlet ring set 2 and be weldingly connected, then link to each other between sharp expansion and accelerated flow converging-diverging tube bundle 8 and cavity ring web plate 9 and the shell side inlet air flow distribution grid 11, be connected with welding or flange between upper cover 4 and upper perforated plate 5 and low head 14 and the lower perforated plate 13 with the way of contact slidably.
Heat-exchange method of the present invention: shell-side fluid is along air inlet ring set 2, through air inlet circumferential cut 1, radially enter entrance between the pipe of sharp expansion and accelerated flow converging-diverging tube bundle 8 in the mode of circumferentially evenly air inlet, in this entrance, fluid elder generation transversal flow sharp expansion and accelerated flow converging-diverging tube bundle 8, curve again to axially washing away sharp expansion and accelerated flow converging-diverging tube bundle 8, and the axial flow of fluid flow velocity is evenly distributed by shell side inlet air flow distribution grid 11, subsequently, fluid is in the tube gap intercropping axial flow of axial flow section, and by some blocks of equally distributed vertically cavity ring web plates 9, in this section, fluid and tube fluid are the reverse flow heat exchange between pipe, fluid enters the outlet section of sharp expansion and accelerated flow converging-diverging tube bundle 8 at last, in this section, fluid is curved by original axial flow and is Radial Flow, in the mode of circumferentially evenly giving vent to anger through the circumferential cut 7 of giving vent to anger, and along the ring set 6 outflow shell sides of giving vent to anger, tube side fluid then enters the pipe inboard of sharp expansion and accelerated flow converging-diverging tube bundle 8 along upper cover 4, tube side is flowed out by low head 14 again in the rear flank in sharp expansion and accelerated flow converging-diverging tube bundle 8, the shell side ring set that the present invention adopts circumferentially passes in and out gas method and can reduce shell side air inlet/outlet gas speed, reduce and import and export the section air resistance, and make the rate of flow of fluid distribution be tending towards even, reduce to flow and the heat transfer dead angle, and shell side inlet air flow distribution grid 11 can be controlled shell-side fluid is changed into axial flow by the radial flow of entrance being evenly distributed of process medium fluid axial flow velocity.
The present invention has following advantage and beneficial effect: support matches between the sharp expansion and accelerated flow converging-diverging tube bundle that (1) adopts the inside and outside heat conduction reinforced best results of pipe at present and the minimum cavity ring web plate pipe of body resistance, and the comparable enhanced heat exchange technology in the past of such technical combinations has higher shell side heat transfer coefficient and lower shell-side fluid resistance; (2) owing to adopted the sharp expansion and accelerated flow converging-diverging tube bundle, compare with augmentation of heat transfer technology in the past, the heat transfer coefficient of pipe side of the present invention is higher, and flow resistance is lower; (3) shell-side fluid is imported and exported and is all adopted circumferential import and export ring set structure, can reduce the gas speed that shell side is imported and exported like this, reduces resistance, and reduces mobile and heat transfer dead band, improves heat exchange property; (4) because the raising of the heat transfer property of sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger of the present invention, heat transfer area required for the present invention under the certain condition of heat exchange load was than the required area of heat exchanger was little in the past, and its volume compact, equipment material consumption is economized, investment is little, and the operating cost of equipment has also descended.
Description of drawings
Fig. 1 is the structural representation of sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is a cavity ring web plate schematic diagram;
Fig. 4 is the sharp expansion and accelerated flow converging-diverging tube schematic diagram.
Among the figure: the 1-air inlet circumferential cut 2-air inlet ring set 3-shell-side fluid outlet 4-upper cover 5-upper perforated plate 6-ring set 7-circumferential cut 8-sharp expansion and accelerated flow converging-diverging tube bundle 9-cavity ring web plate 10-housing 11-shell side inlet air flow distribution grid 12-shell-side fluid inlet 13-lower perforated plate 14-low head 15-bearing of giving vent to anger of giving vent to anger
The specific embodiment
The present invention can select carbon steel or stainless steel and other metal material manufacturing for use, can adopt general sheet metal technology and machine-tooled method and equipment to process.Implement the present invention,, add each parts of cost device, and, just can implement the present invention preferably by the described interconnected relationship of the top specification formation flow passage structure shown in Figure 1 that is linked and packed as long as press design shown in Fig. 1～4.For example, the inventor recommends design by φ 1000mm shell footpath, the 6000mm shell is long, φ 1200mm turnover compression ring cover diameter, 600mm turnover compression ring cover is long, 150 φ 51 * 3.5 * 6000mm sharp expansion and accelerated flow converging-diverging tubes are uniform by square in housing, and 6 blocks of φ 1000mm cavity ring web plates are uniform in the sharp expansion and accelerated flow converging-diverging tube interfascicular vertically, and upper and lower tube sheet uses the upper and lower end socket sealing of φ 1000 * 800mm to get final product respectively.
Sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger of the present invention, the heat transfer and the flow resistance performance of shell side axial flow heat exchanger have been improved, than shell side axial flow heat exchanger shell pass fluid resistance was low in the past, the heat transfer coefficient height is suitable for the occasion of low-density, large volume flow and degree of depth heat exchange.
Claims (9)
1. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger, it is characterized in that, by annular shell side entrance, axial flow section and three sections compositions of annular shell side outlet section, mainly comprise the air inlet circumferential cut, the air inlet ring set, the shell-side fluid outlet, upper cover, upper perforated plate, the ring set of giving vent to anger, the circumferential cut of giving vent to anger, the sharp expansion and accelerated flow converging-diverging tube bundle, the cavity ring web plate, housing, shell side inlet air flow distribution grid, the shell-side fluid inlet, lower perforated plate, low head and bearing, its mutual alignment and annexation are: at housing and upper perforated plate, in the lower perforated plate, the sharp expansion and accelerated flow converging-diverging tube bundle is arranged vertically, and under the effect of some blocks of cavity ring web plates, evenly distribute, constitute the shell side shaft orientation flowing channel of sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger, and the annular space between air inlet ring set and housing, the air inlet circumferential cut constitutes the access road of shell side, give vent to anger annular space between ring set and housing, the circumferential cut of giving vent to anger constitutes the exit passageway of shell side, the inboard pipe inner flow passage that constitutes sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger of the pipe of upper cover and low head and sharp expansion and accelerated flow converging-diverging tube bundle, bearing support sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger bottom, and shell side inlet air flow distribution grid reaches before first block of cavity ring web plate of longshore current direction of flow after being placed in the air inlet circumferential cut, upper perforated plate and housing, the sharp expansion and accelerated flow converging-diverging tube bundle, give vent to anger and all link to each other between the ring set, lower perforated plate and housing, the sharp expansion and accelerated flow converging-diverging tube bundle, also all link to each other between the air inlet ring set, all link to each other between sharp expansion and accelerated flow converging-diverging tube bundle and cavity ring web plate and the shell side inlet air flow distribution grid, also all be connected between upper cover and upper perforated plate and low head and the lower perforated plate.
2. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 1 is characterized in that, described sharp expansion and accelerated flow converging-diverging tube bundle presses square vertically or the triangle tube spacing is arranged.
3. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 1 and 2 is characterized in that, described some blocks of cavity ring web plates are supports between pipe, and are uniform vertically.
4. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 3, it is characterized in that, described annular shell side entrance is by annular space between the inwall of air inlet ring set and housing outer wall, is made of the air inlet circumferential cut of housing, the outer wall of sharp expansion and accelerated flow converging-diverging tube bundle inducer, the inwall and the lower perforated plate of housing.
5. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 4, it is characterized in that described axial flow section is that the outer surface by the inwall of the outer wall of sharp expansion and accelerated flow converging-diverging tube bundle axial flow section, housing and some blocks of cavity ring web plates constitutes.
6. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 5, it is characterized in that, described annular shell side outlet section is by annular space between the inwall of the ring set of giving vent to anger and housing outer wall, is made of the circumferential cut of giving vent to anger of housing, the outer wall of sharp expansion and accelerated flow converging-diverging tube bundle outlet section, the inwall and the upper perforated plate of housing.
7. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 6, it is characterized in that, described upper perforated plate and housing, sharp expansion and accelerated flow converging-diverging tube bundle, give vent to anger between the ring set, also all use between lower perforated plate and housing, sharp expansion and accelerated flow converging-diverging tube bundle, the air inlet ring set to be weldingly connected all with being weldingly connected.
8. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 7 is characterized in that, links to each other with the way of contact slidably between described sharp expansion and accelerated flow converging-diverging tube bundle and cavity ring web plate and the shell side inlet air flow distribution grid.
9. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 8 is characterized in that, is connected with welding or flange between described upper cover and upper perforated plate and low head and the lower perforated plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100153179A CN100334416C (en) | 2004-02-10 | 2004-02-10 | Shell and tube type heat exchanger with sharply enlarged accelerated flow zooming tube bundle and hollow ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100153179A CN100334416C (en) | 2004-02-10 | 2004-02-10 | Shell and tube type heat exchanger with sharply enlarged accelerated flow zooming tube bundle and hollow ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1558177A CN1558177A (en) | 2004-12-29 |
| CN100334416C true CN100334416C (en) | 2007-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100153179A Expired - Fee Related CN100334416C (en) | 2004-02-10 | 2004-02-10 | Shell and tube type heat exchanger with sharply enlarged accelerated flow zooming tube bundle and hollow ring |
Country Status (1)
| Country | Link |
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| CN (1) | CN100334416C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936673A (en) * | 2009-06-30 | 2011-01-05 | 江苏中兴化工设备有限公司 | Macroporous plate convergent-divergent pipe efficient heat exchanger |
| CN102022943B (en) * | 2010-12-15 | 2013-01-30 | 茂名重力石化机械制造有限公司 | Heat exchange tube of tube type heat exchanger and tube type heat exchanger thereof |
| CN102430248A (en) * | 2011-09-06 | 2012-05-02 | 华南理工大学 | Sugar liquid evaporator with sharp expansion and accelerated flow converging-diverging tubes inserted with twisted leaves |
| CN102322768A (en) * | 2011-09-06 | 2012-01-18 | 华南理工大学 | Sugar liquid pre-heating device adopting urgent expansion accelerated flow convergent-divergent pipe internally inserted with rotational flow sheets |
| CN102353283A (en) * | 2011-10-08 | 2012-02-15 | 上海奥格利环保工程有限公司 | Device for recovering heat of low-temperature level absorption reaction during preparing sulfuric acid |
| SG11202011399TA (en) * | 2018-05-31 | 2020-12-30 | Dow Global Technologies Llc | Devolatilizer design |
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|---|---|---|---|---|
| CN2058738U (en) * | 1989-10-20 | 1990-06-27 | 华南理工大学 | Support in between of pipe for shell-and-tube exchanger |
| CN1320802A (en) * | 2001-03-24 | 2001-11-07 | 华南理工大学 | Axial flow-type heat exchanger with convergent-divergent tube, full counterflow and dual shell passes and its heat-exchange method |
| CN1431451A (en) * | 2003-02-13 | 2003-07-23 | 华南理工大学 | Condenser with shaped strengthened tubes supported by hollow ring and enhanced method for transferring heat |
| CN2679631Y (en) * | 2004-02-10 | 2005-02-16 | 华南理工大学 | Shell heat exchanger having instant expansion accelerating flow tube nest hollow ring |
-
2004
- 2004-02-10 CN CNB2004100153179A patent/CN100334416C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058738U (en) * | 1989-10-20 | 1990-06-27 | 华南理工大学 | Support in between of pipe for shell-and-tube exchanger |
| CN1320802A (en) * | 2001-03-24 | 2001-11-07 | 华南理工大学 | Axial flow-type heat exchanger with convergent-divergent tube, full counterflow and dual shell passes and its heat-exchange method |
| CN1431451A (en) * | 2003-02-13 | 2003-07-23 | 华南理工大学 | Condenser with shaped strengthened tubes supported by hollow ring and enhanced method for transferring heat |
| CN2679631Y (en) * | 2004-02-10 | 2005-02-16 | 华南理工大学 | Shell heat exchanger having instant expansion accelerating flow tube nest hollow ring |
Non-Patent Citations (5)
| Title |
|---|
| 空心环支承抽流式换热器壳程流体阻力系数 罗小平 邓先和 邓颂九，化工学报，第50卷第1期 1999 * |
| 空心环管壳式换热器工业化应用回顾 邓先和 陈祥明，硫酸工业，第6期 2000 * |
| 空心环管壳式换热器工业化应用回顾 邓先和 陈祥明，硫酸工业，第6期 2000;空心环管壳式换热器工业应用概况 邓先和，化工进展，第5期 1997;空心环支承抽流式换热器壳程流体阻力系数 罗小平 邓先和 邓颂九，化工学报，第50卷第1期 1999;铀流型管壳式换热器壳程入口段传热与流阻研究 邓先和 黄思铭 邓颂九，化学工程，第23卷第2期 1995 * |
| 空心环管壳式换热器工业应用概况 邓先和，化工进展，第5期 1997 * |
| 铀流型管壳式换热器壳程入口段传热与流阻研究 邓先和 黄思铭 邓颂九，化学工程，第23卷第2期 1995 * |
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| Publication number | Publication date |
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| CN1558177A (en) | 2004-12-29 |
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Granted publication date: 20070829 Termination date: 20140210 |