CN2679631Y - Shell heat exchanger having instant expansion accelerating flow tube nest hollow ring - Google Patents
Shell heat exchanger having instant expansion accelerating flow tube nest hollow ring Download PDFInfo
- Publication number
- CN2679631Y CN2679631Y CN 200420015378 CN200420015378U CN2679631Y CN 2679631 Y CN2679631 Y CN 2679631Y CN 200420015378 CN200420015378 CN 200420015378 CN 200420015378 U CN200420015378 U CN 200420015378U CN 2679631 Y CN2679631 Y CN 2679631Y
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- China
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- tube bundle
- heat exchanger
- ring
- sharp expansion
- diverging tube
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Abstract
The utility model discloses a tube shell type heat exchanger having an instant expansion accelerating flow zoom tube nest hollow ring. The tube shell type heat exchanger having an instant expansion accelerating flow zoom tube nest hollow ring is composed of three segments of an annular shell pass inlet segment, an axial flow segment, and an annular shell pass outlet segment. The tube shell type heat exchanger having an instant expansion accelerating flow zoom tube nest hollow ring mainly comprises a shell body, a hollow ring web plate, a shell pass inlet air flow distribution plate, an instant expansion accelerating flow zoom tube nest, a shell pass fluid outlet, a shell pass fluid inlet, an upper tube plate, a lower tube plate, an air inlet ring sleeve, an air outlet ring sleeve, an air inlet circumferential direction cut, an air outlet circumferential direction cut, an upper sealed head, a lower sealed head, and a supporting seat. An instant expansion accelerating flow zoom tube is adopted by the tube shell type heat exchanger having an instant expansion accelerating flow zoom tube nest hollow ring to be used as a heat transfer tube. The hollow ring web plate is used as a support between tubes. The tube shell type heat exchanger having an instant expansion accelerating flow zoom tube nest hollow ring has the advantages of high heat transfer coefficient, small fluid resistance, little equipment material consumption, investment saving, compact volume, etc. The utility model is suitable for occasions which have low-density, large volume flow, and depth heat exchange.
Description
Technical field
The utility model belongs to heat conduction reinforced technical field, relates 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 purpose of this utility model is to provide a kind of sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger, and 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 utility model is realized 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 utility model 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 of giving vent to anger (6), 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 utility model 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 wall, 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) inducer, 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 section, housing (10) and uniform vertically some blocks of cavity ring web plates (9) pipe constitutes; Annular shell side outlet section is by annular space between the inwall of the ring set of giving vent to anger (6) and housing (10) outer wall, is made of the circumferential cut of giving vent to anger (7) of housing (10), the outer wall of sharp expansion and accelerated flow converging-diverging tube bundle (8) outlet section, 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 uniform vertically some blocks of cavity ring web plates (9) pipe, 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 (2) and housing (10), air inlet circumferential cut (1) constitutes the access road of shell side, give vent to anger annular space between ring set (6) and housing (10), 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 exchanger, and being placed in air inlet circumferential cut (1), shell side inlet air flow distribution grid (11) reaches first block of cavity ring web plate of longshore current direction of flow (9) afterwards before, 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 utility model: 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 of giving vent to anger (7), and along ring set (6) the outflow shell side 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 utility model 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 utlity model 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 the utility model pipe side 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 utility model, the required area of heat exchanger was little in the past for the required heat transfer area ratio of the utility model under the certain condition of heat exchange load, 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 utility model;
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 utility model can be selected 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 utility model,, add each parts of cost device, and, just can implement the utility model 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 utility model, 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 (10)
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 is characterized in that, described some blocks of cavity ring web plates are supports between pipe, and are uniform vertically.
7. 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.
8. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 7, 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.
9. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 8 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.
10. sharp expansion and accelerated flow converging-diverging tube bundle ring-net supported tubular heat exchanger according to claim 9 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 |
|---|---|---|---|
| CN 200420015378 CN2679631Y (en) | 2004-02-10 | 2004-02-10 | Shell heat exchanger having instant expansion accelerating flow tube nest hollow ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015378 CN2679631Y (en) | 2004-02-10 | 2004-02-10 | Shell heat exchanger having instant expansion accelerating flow tube nest hollow ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2679631Y true CN2679631Y (en) | 2005-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420015378 Expired - Lifetime CN2679631Y (en) | 2004-02-10 | 2004-02-10 | Shell heat exchanger having instant expansion accelerating flow tube nest hollow ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2679631Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334416C (en) * | 2004-02-10 | 2007-08-29 | 华南理工大学 | Shell and tube type heat exchanger with sharply enlarged accelerated flow zooming tube bundle and hollow ring |
| CN112044366A (en) * | 2019-06-06 | 2020-12-08 | Cmi优威克股份有限公司 | Reactor, preheater arrangement, method for treating a metal-containing acid liquor, in particular pickling sludge, and/or for regenerating acid components from a metal-containing acid liquor |
-
2004
- 2004-02-10 CN CN 200420015378 patent/CN2679631Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334416C (en) * | 2004-02-10 | 2007-08-29 | 华南理工大学 | Shell and tube type heat exchanger with sharply enlarged accelerated flow zooming tube bundle and hollow ring |
| CN112044366A (en) * | 2019-06-06 | 2020-12-08 | Cmi优威克股份有限公司 | Reactor, preheater arrangement, method for treating a metal-containing acid liquor, in particular pickling sludge, and/or for regenerating acid components from a metal-containing acid liquor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |