CN102997720A - Shell-and-tube heat exchanger with free expanded tube pass - Google Patents
Shell-and-tube heat exchanger with free expanded tube pass Download PDFInfo
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- CN102997720A CN102997720A CN2012105360381A CN201210536038A CN102997720A CN 102997720 A CN102997720 A CN 102997720A CN 2012105360381 A CN2012105360381 A CN 2012105360381A CN 201210536038 A CN201210536038 A CN 201210536038A CN 102997720 A CN102997720 A CN 102997720A
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Abstract
The invention relates to a shell-and-tube heat exchanger with a free expanded tube pass. The shell-and-tube heat exchanger comprises a shell (10), a heat exchange tube (4), a tube pass inlet shell-and-tube heat exchanger (2) and a tube pass outlet shell-and-tube heat exchanger (14). The shell (10) is internally provided with a front support tube plate (11) and a rear support tube plate (12). The heat exchanger further comprises an expanding 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 support tube plate (11) while the other end of the heat exchange tube (4) passes through the rear support tube plate (12) and is hermetically and fixedly connected with the expanding tube plate (13). A gap is reserved between the heat exchange tube (4) and the rear support tube plate (12). The tube pass outlet shell-and-tube heat exchanger (14) is located inside the first sealing chamber (5). According to the heat exchanger provided by the invention, the device is prevented from being damaged due to inconsistent expanding stress of the shell pass, so that the service life of the device is prolonged, and meanwhile, the shell-and-tube heat exchanger is simple in structure and low in manufacturing cost.
Description
Technical field
The present invention relates to technical field of heat exchange devices, more particularly, but relate 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 the 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 cold fluid and hot fluid flows in tube side or shell side respectively during this form heat exchanger work, 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 be problem, the especially larger occasion of the cold fluid and hot fluid temperature difference that necessary emphasis is considered in design of heat exchanger, the manufacture process.Can abide by the GB151 standard for the cylindrical tube shell heat exchanger and design, make, 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, because the particularity of its application scenario and shape often is 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.
Summary of the invention
The technical problem to be solved in the present invention 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 solution adopted for the present invention to solve the technical problems is: but construct a kind of shell-and-tube heat exchanger of tube side free wxpansion, 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 the 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 the 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, and 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 of the present invention, 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 the described rear support tube sheet.
But in the shell-and-tube heat exchanger of tube side free wxpansion of the present invention, be provided with the second closed chamber that covers described tube side delivery pipe between described front support tube sheet and the rear support tube sheet.
But in the shell-and-tube heat exchanger of tube side free wxpansion of the present invention, 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 of the present invention, 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 of the present invention, described tube side import collection chamber is provided with bleed valve.
But in the shell-and-tube heat exchanger of tube side free wxpansion of the present invention, 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 of the present invention, 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 invention, 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 the 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 prolonged 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 tube side free wxpansion of the present invention is simple in structure, low cost of manufacture.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
But Fig. 1 is the front view of the shell-and-tube heat exchanger of tube side free wxpansion of the present invention;
But Fig. 2 is the left view of the shell-and-tube heat exchanger of tube side free wxpansion of the present invention;
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 invention, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
Such as Fig. 1-shown in Figure 7, but the shell-and-tube heat exchanger of tube side free wxpansion of the present invention 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 the 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 the tube side enters in heat exchanger tube 4 and the 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 the tube side can not enter in the 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 the rear support tube sheet 12.Because heat exchanger tube 4 only has an end to be 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 prolonged 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 tube side free wxpansion of the present invention 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 and tube side outlet collection chamber 14 is communicated with, and tube side delivery pipe 7 and tube side export collection chamber 14 and be tightly connected by bend pipe.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 the 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 the 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 the 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 embodiments of the invention by reference to the accompanying drawings; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
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 the 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 the 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), and 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 the 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 the 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 |
|---|---|---|---|
| CN201210536038.1A CN102997720B (en) | 2012-12-12 | 2012-12-12 | Shell-and-tube heat exchanger with free expanded tube pass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210536038.1A CN102997720B (en) | 2012-12-12 | 2012-12-12 | Shell-and-tube heat exchanger with free expanded tube pass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102997720A true CN102997720A (en) | 2013-03-27 |
| CN102997720B CN102997720B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210536038.1A Expired - Fee Related CN102997720B (en) | 2012-12-12 | 2012-12-12 | Shell-and-tube heat exchanger with free expanded tube pass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212962A (en) * | 2013-03-29 | 2013-07-24 | 中冶南方(武汉)威仕工业炉有限公司 | Assembling method of finned tube exchanger |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010086004A1 (en) * | 2009-01-27 | 2010-08-05 | Gea Tds Gmbh | Device for influencing the flow in the area of a pipe manifold plate of a tube bundle heat exchanger |
| CN102607301A (en) * | 2012-03-01 | 2012-07-25 | 新兴能源装备股份有限公司 | Non-detachable access hole-free nickel-base alloy heat exchanger for high-pressure high-acidity natural gas |
| CN202993917U (en) * | 2012-12-12 | 2013-06-12 | 中冶南方(武汉)威仕工业炉有限公司 | Shell-and-tube heat exchanger with free expansion tube side |
-
2012
- 2012-12-12 CN CN201210536038.1A patent/CN102997720B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010086004A1 (en) * | 2009-01-27 | 2010-08-05 | Gea Tds Gmbh | Device for influencing the flow in the area of a pipe manifold plate of a tube bundle heat exchanger |
| CN102607301A (en) * | 2012-03-01 | 2012-07-25 | 新兴能源装备股份有限公司 | Non-detachable access hole-free nickel-base alloy heat exchanger for high-pressure high-acidity natural gas |
| CN202993917U (en) * | 2012-12-12 | 2013-06-12 | 中冶南方(武汉)威仕工业炉有限公司 | Shell-and-tube heat exchanger with free expansion tube side |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212962A (en) * | 2013-03-29 | 2013-07-24 | 中冶南方(武汉)威仕工业炉有限公司 | Assembling method of finned tube exchanger |
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| Publication number | Publication date |
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| CN102997720B (en) | 2014-08-13 |
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Granted publication date: 20140813 Termination date: 20161212 |