CN202993917U - Shell-and-tube heat exchanger with free expansion tube side - Google Patents
Shell-and-tube heat exchanger with free expansion tube side Download PDFInfo
- Publication number
- CN202993917U CN202993917U CN 201220686806 CN201220686806U CN202993917U CN 202993917 U CN202993917 U CN 202993917U CN 201220686806 CN201220686806 CN 201220686806 CN 201220686806 U CN201220686806 U CN 201220686806U CN 202993917 U CN202993917 U CN 202993917U
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- tube
- heat exchanger
- shell
- tube side
- collection chamber
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Abstract
The utility model relates to a shell-and-tube heat exchanger with a free expansion tube side. The shell-and-tube heat exchanger comprises a housing (10), a heat exchange tube (4), a tube side inlet collection chamber (2) and a tube side outlet collection chamber (14), wherein a front supporting tube plate (11) and a rear supporting tube plate (12) are arranged in the housing (10). The shell-and-tube heat exchanger further comprises an expansion tube plate (13) and a first sealing chamber (5); one end of the heat exchange tube (4) is hermetically and fixedly connected with the front supporting tube plate (11), the other end of the heat exchange tube (4) penetrates the rear supporting tube plate (12) to be hermetically and fixedly connected with the expansion tube plate (13); a gap is arranged between the heat exchange tube (4) and the rear supporting tube plate (12); and the tube side outlet collection chamber (14) is positioned inside the first sealing chamber (5). The shell-and-tube heat exchanger with the free expansion tube side can avoid damage to equipment caused by inconsistent expansion stress of tube and shell sides, prolongs the service life of the equipment, has a simple structure and is low in manufacturing cost.
Description
Technical field
The utility model relates to technical field of heat exchange devices, more particularly, but relates to a kind of shell-and-tube heat exchanger of tube side free wxpansion.
Background technology
At present, heat exchanger has widely in industries such as oil, chemical industry, metallurgy, electric power, machineries to be used, and realizes exchange heat between high cryogen by heat exchanger, thereby reaches the purpose of heats cold fluid or heat of cooling fluid.Shell-and-tube heat exchanger is most widely used a kind of heat exchanger form, and during this form heat exchanger work, cold fluid and hot fluid flows in tube side or shell side respectively, realizes the dividing wall type heat exchange.Be subjected to the restriction of different application occasion, shell-and-tube heat exchanger can be designed to cylindrical shape or the square bodily form, the shell-and-tube heat exchanger of quovis modo, how to prevent because shell journey fluid temperature (F.T.) is different, inconsistent and the device damage that causes of shell journey swelling stress, all problem, the especially larger occasion of the cold fluid and hot fluid temperature difference that in design of heat exchanger, manufacture process, necessary emphasis is considered.Can design, make in accordance with the GB151 standard for the cylindrical tube shell heat exchanger, the cylindrical tube shell heat exchanger can prevent the inconsistent device damage that causes of shell journey swelling stress by the forms such as housing expansion joint, U-shaped heat exchanger tube, floating head, stuffing-box are set.And for square bodily form shell-and-tube heat exchanger, due to the particularity of its application scenario and shape, often be difficult to realize arranging the versions such as housing expansion joint, floating head, stuffing-box.Part side's bodily form shell-and-tube heat exchanger prevents the inconsistent device damage that causes of shell journey swelling stress by the mode that the U-shaped heat exchanger tube is set, but this heat exchanger structure is complicated, manufacturing is difficult, cost is higher, and the single tube pass heat exchanger can't arrange the U-shaped heat exchanger tube.
The utility model content
The technical problems to be solved in the utility model is, but a kind of shell-and-tube heat exchanger of simple in structure, tube side free wxpansion that shell journey fluid sealability is good is provided.
the technical scheme that its technical problem that solves the utility model adopts is: but the shell-and-tube heat exchanger of a kind of tube side free wxpansion of structure, comprise housing, heat exchanger tube, tube side import collection chamber and tube side outlet collection chamber, be provided with front support tube sheet and rear support tube sheet in described housing, one end of described heat exchanger tube passes described front support tube sheet and is communicated with described tube side import collection chamber, the other end of described heat exchanger tube passes described rear support tube sheet and is communicated with described tube side outlet collection chamber, described tube side import collection chamber and described front support tube sheet are sealedly and fixedly connected, described heat exchanger also comprises expansion tube sheet and the first closed chamber, one end of described heat exchanger tube and described front support tube sheet are sealedly and fixedly connected, the other end passes described rear support tube sheet and described expansion tube sheet is sealedly and fixedly connected, gapped between described heat exchanger tube and described rear support tube sheet, described tube side outlet collection chamber and described expansion tube sheet are sealedly and fixedly connected, described the first closed chamber and described rear support tube sheet are sealedly and fixedly connected, it is inner that described tube side outlet collection chamber is positioned at described the first closed chamber.
But in the shell-and-tube heat exchanger of tube side free wxpansion described in the utility model, described heat exchanger also comprises the tube side delivery pipe that is communicated with described tube side outlet collection chamber, described tube side delivery pipe passes described rear support tube sheet and front support tube sheet successively, described tube side delivery pipe and described front support tube sheet are sealedly and fixedly connected, and be gapped between described tube side delivery pipe and described rear support tube sheet.
But in the shell-and-tube heat exchanger of tube side free wxpansion described in the utility model, be provided with the second closed chamber that covers described tube side delivery pipe between described front support tube sheet and rear support tube sheet.
But in the shell-and-tube heat exchanger of tube side free wxpansion described in the utility model, described tube side import collection chamber is provided with tube side import adpting flange, and described tube side delivery pipe is provided with tube side outlet adpting flange.
But in the shell-and-tube heat exchanger of tube side free wxpansion described in the utility model, described tube side delivery pipe and described tube side outlet collection chamber are tightly connected by bend pipe.
But in the shell-and-tube heat exchanger of tube side free wxpansion described in the utility model, described tube side import collection chamber is provided with bleed valve.
But in the shell-and-tube heat exchanger of tube side free wxpansion described in the utility model, described housing is provided with shell side import and shell side outlet.
But in the shell-and-tube heat exchanger of tube side free wxpansion described in the utility model, described heat exchanger tube is light pipe, finned tube or helix tube.
But implement the shell-and-tube heat exchanger of tube side free wxpansion of the present utility model, have following beneficial effect:
(1), an end and the front support tube sheet of heat exchanger tube are sealedly and fixedly connected, and be gapped between the other end and rear support tube sheet, but heat exchanger tube free wxpansion, but tube side free wxpansion prevents that shell journey swelling stress is inconsistent and the device damage that causes, has extended service life of equipment.
(2), can guarantee heat exchanger tube in the side seal of rear support tube sheet by the first closed chamber is set, the fluid in the shell journey all can guarantee independent sealed, and heat exchanger is stable.
(3), but the shell-and-tube heat exchanger of the utility model tube side free wxpansion is simple in structure, low cost of manufacture.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in accompanying drawing:
But Fig. 1 is the front view of the shell-and-tube heat exchanger of the utility model tube side free wxpansion;
But Fig. 2 is the left view of the shell-and-tube heat exchanger of the utility model tube side free wxpansion;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 2;
Fig. 5 is the C part enlarged drawing of Fig. 3;
Fig. 6 is the D part enlarged drawing of Fig. 3;
Fig. 7 is the E part enlarged drawing of Fig. 4.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As Fig. 1-shown in Figure 7, but the shell-and-tube heat exchanger of tube side free wxpansion of the present utility model comprises housing 10, heat exchanger tube 4, tube side import collection chamber 2, tube side outlet collection chamber 14, expansion tube sheet 13 and the first closed chamber 5.
Be provided with front support tube sheet 11 and rear support tube sheet 12 in housing 10, an end of heat exchanger tube 4 passes front support tube sheet 11 and is communicated with tube side import collection chamber 2, and the other end of heat exchanger tube 4 passes rear support tube sheet 12 and is communicated with tube side outlet collection chamber 14.Fluid in tube side enters in heat exchanger tube 4 and tube side outlet collection chamber 14 successively by tube side import collection chamber 2, and flows out from tube side outlet collection chamber 14.Tube side import collection chamber 2 is sealedly and fixedly connected with front support tube sheet 11, guarantees that the fluid in tube side can not enter in shell side.One end and the front support tube sheet 11 of heat exchanger tube 4 are sealedly and fixedly connected, and the other end passes rear support tube sheet 12 and is sealedly and fixedly connected with expansion tube sheet 13, and is gapped between heat exchanger tube 4 and rear support tube sheet 12.Because only having an end, heat exchanger tube 4 is fixed on housing 10 ends, therefore heat exchanger tube 4 can free wxpansion at an end of activity, heat exchanger tube 4 and rear support tube sheet 12 can not cause equipment impaired because swelling stress is inconsistent, the device damage that prevents that shell journey swelling stress is inconsistent and cause has extended service life of equipment.Tube side outlet collection chamber 14 is sealedly and fixedly connected with expansion tube sheet 13, and the first closed chamber 5 is sealedly and fixedly connected with rear support tube sheet 12, and tube side outlet collection chamber 14 is positioned at the first closed chamber 5 inside.The first closed chamber 5 is set covers tube side outlet collection chamber 14, can guarantee heat exchanger tube 4 in 12 side seals of rear support tube sheet, the fluid in the shell journey all can guarantee independent sealed, and heat exchanger is stable.The mode that is sealedly and fixedly connected in the present embodiment is seal welding, but it is preferred embodiment a kind of, and the alternate manners such as also can being threaded connection part, sealing gasket that is sealedly and fixedly connected is realized.
But the shell-and-tube heat exchanger of the utility model tube side free wxpansion is simple in structure, and low cost of manufacture, and heat exchanger tube 4 form wide adaptabilities can be light pipe, finned tube, helix tube etc.
Heat exchanger also comprises tube side delivery pipe 7, and tube side delivery pipe 7 is communicated with tube side outlet collection chamber 14, and tube side delivery pipe 7 is tightly connected by bend pipe with tube side outlet collection chamber 14.Tube side delivery pipe 7 passes rear support tube sheet 12 and front support tube sheet 11 successively, and tube side delivery pipe 7 is sealedly and fixedly connected with front support tube sheet 11, and is gapped between tube side delivery pipe 7 and rear support tube sheet 12, but tube side delivery pipe 7 also free wxpansion when being heated.Be provided with the second closed chamber 8 that covers tube side delivery pipe 7 between front support tube sheet 11 and rear support tube sheet 12, guarantee that the sealing of shell-side fluid medium and tube side fluid medium is independent.
Tube side import collection chamber 2 is provided with tube side import adpting flange 1, and tube side delivery pipe 7 is provided with tube side outlet adpting flange 6.Housing 10 is provided with shell side import and shell side outlet, and the shell side import in the present embodiment and shell side outlet are square flange 3.
On tube side import collection chamber 2, bleed valve 9 can be set, can be by bleed valve 9 discharging tube side fluid when overhaul of the equipments or operation irregularity.
The above is described embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (8)
1. but the shell-and-tube heat exchanger of a tube side free wxpansion, comprise housing (10), heat exchanger tube (4), tube side import collection chamber (2) and tube side outlet collection chamber (14), be provided with front support tube sheet (11) and rear support tube sheet (12) in described housing (10), one end of described heat exchanger tube (4) passes described front support tube sheet (11) and is communicated with described tube side import collection chamber (2), the other end of described heat exchanger tube (4) passes described rear support tube sheet (12) and is communicated with described tube side outlet collection chamber (14), described tube side import collection chamber (2) is sealedly and fixedly connected with described front support tube sheet (11), it is characterized in that, described heat exchanger also comprises expansion tube sheet (13) and the first closed chamber (5), one end of described heat exchanger tube (4) and described front support tube sheet (11) are sealedly and fixedly connected, the other end passes described rear support tube sheet (12) and is sealedly and fixedly connected with described expansion tube sheet (13), gapped between described heat exchanger tube (4) and described rear support tube sheet (12), described tube side outlet collection chamber (14) is sealedly and fixedly connected with described expansion tube sheet (13), described the first closed chamber (5) is sealedly and fixedly connected with described rear support tube sheet (12), described tube side outlet collection chamber (14) is positioned at described the first closed chamber (5) inside.
2. but the shell-and-tube heat exchanger of tube side free wxpansion according to claim 1, it is characterized in that, described heat exchanger also comprises the tube side delivery pipe (7) that is communicated with described tube side outlet collection chamber (14), described tube side delivery pipe (7) passes described rear support tube sheet (12) and front support tube sheet (11) successively, described tube side delivery pipe (7) is sealedly and fixedly connected with described front support tube sheet (11), and is gapped between described tube side delivery pipe (7) and described rear support tube sheet (12).
3. but the shell-and-tube heat exchanger of tube side free wxpansion according to claim 2, is characterized in that, is provided with the second closed chamber (8) that covers described tube side delivery pipe (7) between described front support tube sheet (11) and rear support tube sheet (12).
4. but the shell-and-tube heat exchanger of tube side free wxpansion according to claim 2, it is characterized in that, described tube side import collection chamber (2) is provided with tube side import adpting flange (1), and described tube side delivery pipe (7) is provided with tube side outlet adpting flange (6).
5. but the shell-and-tube heat exchanger of tube side free wxpansion according to claim 2, is characterized in that, described tube side delivery pipe (7) is tightly connected by bend pipe with described tube side outlet collection chamber (14).
6. but the shell-and-tube heat exchanger of tube side free wxpansion according to claim 1, is characterized in that, described tube side import collection chamber (2) is provided with bleed valve (9).
7. but the shell-and-tube heat exchanger of tube side free wxpansion according to claim 1, is characterized in that, described housing (10) is provided with shell side import and shell side outlet.
8. but the shell-and-tube heat exchanger of tube side free wxpansion according to claim 1, is characterized in that, described heat exchanger tube (4) is light pipe, finned tube or helix tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686806 CN202993917U (en) | 2012-12-12 | 2012-12-12 | Shell-and-tube heat exchanger with free expansion tube side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686806 CN202993917U (en) | 2012-12-12 | 2012-12-12 | Shell-and-tube heat exchanger with free expansion tube side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202993917U true CN202993917U (en) | 2013-06-12 |
Family
ID=48565091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220686806 Withdrawn - After Issue CN202993917U (en) | 2012-12-12 | 2012-12-12 | Shell-and-tube heat exchanger with free expansion tube side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202993917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997720A (en) * | 2012-12-12 | 2013-03-27 | 中冶南方(武汉)威仕工业炉有限公司 | Shell-and-tube heat exchanger with free expanded tube pass |
-
2012
- 2012-12-12 CN CN 201220686806 patent/CN202993917U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997720A (en) * | 2012-12-12 | 2013-03-27 | 中冶南方(武汉)威仕工业炉有限公司 | Shell-and-tube heat exchanger with free expanded tube pass |
| CN102997720B (en) * | 2012-12-12 | 2014-08-13 | 中冶南方(武汉)威仕工业炉有限公司 | Shell-and-tube heat exchanger with free expanded tube pass |
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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 |
Granted publication date: 20130612 Effective date of abandoning: 20140813 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20140813 |
|
| RGAV | Abandon patent right to avoid regrant |