CN206095003U - Shell -and -tube high pressure heat exchanger - Google Patents
Shell -and -tube high pressure heat exchanger Download PDFInfo
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- CN206095003U CN206095003U CN201621061338.9U CN201621061338U CN206095003U CN 206095003 U CN206095003 U CN 206095003U CN 201621061338 U CN201621061338 U CN 201621061338U CN 206095003 U CN206095003 U CN 206095003U
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- tube
- shell
- floating head
- heat exchanger
- high pressure
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Abstract
The utility model relates to a shell -and -tube high pressure heat exchanger, this shell -and -tube high pressure heat exchanger includes: pipe case, tube side entry, tube side export, fixed tube sheet, shell side casing, shell side entry, shell side export, heat exchanger tube bundles and floating head structure, the floating head structure includes: floating pipe plate, floating head flange, floating end cover, floating head double -screw bolt, floating head nut and superficial headrest piece, tube side entry and tube side export set up respectively in the both sides of tub case, and shell side entry and shell side export set up the both sides at the shell side casing respectively, fixed tube sheet is fixed between tub case and shell side casing, heat exchanger tube bundles is connected with the floating head structure, and all sets up in the shell side casing, and, raise the nose above water to breathe the structure setting in the one end of keeping away from fixed tube sheet. The utility model discloses a shell -and -tube high pressure heat exchanger adopts the floating head structure, and the heat exchange tube easily washs the change, is applicable to more serious occasion of scale deposit or the perishable occasion of tube side.
Description
Technical field
The utility model is related to the field of heat exchange equipment of petroleum refining and chemical plant installations, more particularly, to a kind of shell
Formula high pressure heat exchanger.
Background technology
At present in the hydrogenation plant of PETROLEUM PROCESSING, the high pressure heat exchanger of application mostly is U-tube shell heat exchanger.U-tube
Shell heat exchanger can not be too little due to elbow radius, causes, stringing number reduction not compact in tube sheet core stringing.In tube sheet
Center portion distributor pipe is not compact, makes tube bank there is gap in tube sheet core, and shell-side fluid is easily short-circuited in heat exchange, reduces
Heat exchange efficiency.In order to meet heat transfer requirements, generally require to increase heat exchanger diameter.
In addition, the heat exchanger tube of the tube bank mid portion of U-tube inside, causes it to be difficult to due to by the heat exchanger tube bag of outside
Change.Heat exchanger tube once in manufacture or emerged in operation leakage, can only plugging process, whole tube bank is even scrapped when serious.U-shaped
Wall thickness can be thinning in bend pipe for pipe, thus under the same operating conditions, compares straight tube, and the wall thickness of needs is thicker, makes heat exchanger
Cost is raised and limits its use occasion simultaneously, is only preferably used for tube side dielectric clean and less scaling situation.
The content of the invention
The purpose of this utility model is the defect existed for U-tube formula high pressure heat exchanger in prior art, by adopting
Floating head structure, from straight type heat exchanger tube, changes heat exchanger tube easy cleaning, and stringing is more, more compact structure, significantly improves and changes
The thermal efficiency, greatly reduces thermal (temperature difference) stress.
To achieve these goals, the utility model provides a kind of shell-and-tube high pressure heat exchanger, the shell-and-tube high pressure heat exchange
Device includes：
Bobbin carriage, tube-side inlet, tube side outlet, fixed tube sheet, shell side housing, shell side inlet, shell-side outlet, heat-exchanging tube bundle and
Floating head structure；
The floating head structure includes：Floating tubesheet, Floating Head Flange, floating head, floating head stud, floating head nut and pad of raising the nose above water to breathe
Piece；
Tube-side inlet and tube side outlet are separately positioned on the both sides of bobbin carriage, and shell side inlet and shell-side outlet are separately positioned on shell
The both sides of journey housing；Fixed tube sheet is located between bobbin carriage and shell side housing；
Heat-exchanging tube bundle is connected with floating head structure, and is arranged in shell side housing, also, the floating head structure setting exists
Away from one end of fixed tube sheet.
Preferably, the heat-exchanging tube bundle is fixedly connected with floating tubesheet；It is further preferred that the heat-exchanging tube bundle and floating
Tube-sheet Welding.
Preferably, Floating Head Flange is tightly connected by floating head stud, floating head nut and floating head pad and floating tubesheet.
Preferably, the floating head is fixedly connected with Floating Head Flange；It is further preferred that the floating head and Floating Head Flange
Welding.
Preferably, the heat-exchanging tube bundle can freely stretch vertically together with floating head structure in shell side housing.
Preferably, the heat-exchanging tube bundle by straight type set of heat exchange tubes into.
The shell-and-tube high pressure heat exchanger also includes bobbin carriage studs, nut, pad.Fixed tube sheet passes through bobbin carriage double end
Stud, nut and pad are fixed between bobbin carriage and shell side housing；Or fixed tube sheet and bobbin carriage, used as an entirety, it passes through
Studs, nut and pad are connected with shell side housing.
Compared with prior art, the beneficial effects of the utility model are：
Shell-and-tube high pressure heat exchanger of the present utility model adopts floating head structure, and heat-exchanging tube bundle can be made freely to stretch vertically,
Thermal (temperature difference) stress is greatly reduced, while straight type heat exchanger tube easy cleaning is changed, it is adaptable to which the more serious occasion of fouling or tube side are perishable
Occasion；Straight type heat exchanger tube makes that heat exchanger stringing is more, more compact structure, significantly improves heat exchange efficiency.
Description of the drawings
Fig. 1 shows the axial sectional view of shell-and-tube high pressure heat exchanger in a kind of embodiment of the utility model.
Fig. 2 shows the floating head structural representation of shell-and-tube high pressure heat exchanger.
Fig. 3 shows the axial sectional view of shell-and-tube high pressure heat exchanger in the utility model another embodiment.
Label is described as follows in above-mentioned figure：
1- bobbin carriages；2- tube-side inlets；3- tube sides are exported；4- fixed tube sheets；5- shell side housings；6- shell side inlets；7- shell sides
Outlet；8- heat-exchanging tube bundles；9- floating tubesheets；10- Floating Head Flanges；11- floating heads；12- bobbin carriage studs；13- nuts；14-
Pad；15- floating head studs；16- floating head nuts；17- floating head pads.
Specific embodiment
Preferred embodiment of the present utility model is more fully described below with reference to accompanying drawings.Although showing this in accompanying drawing
The preferred embodiment of utility model, however, it is to be appreciated that may be realized in various forms the utility model and should not be by here
The embodiment of elaboration is limited.
Embodiment 1
Fig. 1 shows a kind of axial sectional view of shell-and-tube high pressure heat exchanger described in the utility model, and the shell-and-tube is high
Pressure heat exchanger includes：
Bobbin carriage 1, the outlet 3, fixed tube sheet 4 of tube-side inlet 2, tube side, shell side housing 5, shell side inlet 6, shell-side outlet 7, change
Heat pipe bundle 8 and floating head structure；
The shell-and-tube high pressure heat exchanger also includes bobbin carriage studs 12, nut 13, pad 14；
Tube-side inlet 2 and tube side outlet 3 are separately positioned on the both sides of bobbin carriage 1, and shell side inlet 6 and shell-side outlet 7 set respectively
Put in the both sides of shell side housing 5；Fixed tube sheet 4 is fixed on bobbin carriage 1 and shell by bobbin carriage studs 12, nut 13 and pad 14
Between journey housing 5.
As shown in Fig. 2 the floating head structure includes：Floating tubesheet 9, Floating Head Flange 10, floating head 11, floating head stud 15,
Floating head nut 16 and floating head pad 17.
Heat-exchanging tube bundle 8 is connected with floating head structure, and is arranged in shell side housing 5, also, the floating head structure setting
In the one end away from fixed tube sheet 4, and it is not connected with shell side housing 5；Specifically, the heat-exchanging tube bundle 8 is welded with floating tubesheet 9
Connect, Floating Head Flange 10 is tightly connected by floating head stud 15, floating head nut 16 and floating head pad 17 with floating tubesheet 9, floating head
11 are fixedly connected with Floating Head Flange 10.
Embodiment 2
Fig. 3 shows the axial sectional view of another kind of shell-and-tube high pressure heat exchanger described in the utility model, the shell-and-tube
High pressure heat exchanger includes：
Bobbin carriage 1, the outlet 3, fixed tube sheet 4 of tube-side inlet 2, tube side, shell side housing 5, shell side inlet 6, shell-side outlet 7, change
Heat pipe bundle 8 and floating head structure；
The shell-and-tube high pressure heat exchanger also includes bobbin carriage studs 12, nut 13, pad 14；
Tube-side inlet 2 and tube side outlet 3 are separately positioned on the both sides of bobbin carriage 1, and shell side inlet 6 and shell-side outlet 7 set respectively
Put in the both sides of shell side housing 5；Fixed tube sheet 4 is an entirety with bobbin carriage 1, and it passes through studs 12, nut 13 and pad
14 are connected with shell side housing 5.
As shown in Fig. 2 the floating head structure includes：Floating tubesheet 9, Floating Head Flange 10, floating head 11, floating head stud 15,
Floating head nut 16 and floating head pad 17.
Heat-exchanging tube bundle 8 is connected with floating head structure, and is arranged in shell side housing 5, also, the floating head structure setting
In the one end away from fixed tube sheet 4, and it is not connected with shell side housing 5；Specifically, the heat-exchanging tube bundle 8 is welded with floating tubesheet 9
Connect, Floating Head Flange 10 is tightly connected by floating head stud 15, floating head nut 16 and floating head pad 17 with floating tubesheet 9, floating head
11 are fixedly connected with Floating Head Flange 10.
According to the utility model provide shell-and-tube high pressure heat exchanger, in situations where it is preferred, the heat-exchanging tube bundle 8 together with
Floating head structure can freely stretch vertically in shell side housing 5 so as to which thermal (temperature difference) stress is less.Heat-exchanging tube bundle 8 can be extracted out, side
Just tube side, shell side are cleaned, it is adaptable to which fouling occasion more corrosion-prone than more serious occasion or tube side, heat-exchanging tube bundle also can be with floating head
Structure is removed together from housing, to overhaul.
According to the shell-and-tube high pressure heat exchanger that the utility model is provided, in situations where it is preferred, the heat-exchanging tube bundle 8 is by straight
Type set of heat exchange tubes into.When heat exchanger tube is straight tube, tube bank core heat exchanger tube is not blocked, easily replacing, easy cleaning；And straight tube
Bending is not required to, tube sheet core stringing is compact during same diameter, stringing is more, and heat exchange area is bigger.Between tube bank core
Gap is reasonable, it is to avoid the short circuit of shell side medium.
When the shell-and-tube high pressure heat exchanger is conducted heat between the medium of two kinds of different temperatures, a kind of medium is through pipe
Journey, another kind of medium completes heat exchange with two media in shell side through shell side, tube side by the partition-wall heat transfer of heat exchanger tube.
The shell-and-tube high pressure heat exchanger can be when the temperature difference be larger between tube side, shell side medium, and still not producing the temperature difference should
Power, therefore it can work under high temperature, high pressure and (be typically designed temperature less than or equal to 450 DEG C, design pressure is less than or equal to
20MPa)。
It is described above embodiment of the present utility model, described above is exemplary, and non-exclusive, and
It is also not necessarily limited to disclosed embodiment.In the case of the scope and spirit without departing from embodiment described, for this technology
Many modifications and changes will be apparent from for the those of ordinary skill in field.
Claims (9)
1. a kind of shell-and-tube high pressure heat exchanger, it is characterised in that the shell-and-tube high pressure heat exchanger includes：
Bobbin carriage (1), tube-side inlet (2), tube side outlet (3), fixed tube sheet (4), shell side housing (5), shell side inlet (6), shell side
Outlet (7), heat-exchanging tube bundle (8) and floating head structure；
The floating head structure includes：Floating tubesheet (9), Floating Head Flange (10), floating head (11), floating head stud (15), floating head spiral shell
Female (16) and floating head pad (17)；
Tube-side inlet (2) and tube side outlet (3) are separately positioned on the both sides of bobbin carriage (1), shell side inlet (6) and shell-side outlet (7)
It is separately positioned on the both sides of shell side housing (5)；Fixed tube sheet (4) is between bobbin carriage (1) and shell side housing (5)；
Heat-exchanging tube bundle (8) is connected with floating head structure, and is arranged in shell side housing (5), also, the floating head structure setting
In the one end away from fixed tube sheet (4).
2. shell-and-tube high pressure heat exchanger according to claim 1, it is characterised in that the heat-exchanging tube bundle (8) and the pipe that floats
Plate (9) is fixedly connected.
3. shell-and-tube high pressure heat exchanger according to claim 2, it is characterised in that the heat-exchanging tube bundle (8) and the pipe that floats
Plate (9) is welded.
4. shell-and-tube high pressure heat exchanger according to claim 1, it is characterised in that Floating Head Flange (10) is by floating head stud
(15), floating head nut (16) and floating head pad (17) are tightly connected with floating tubesheet (9).
5. shell-and-tube high pressure heat exchanger according to claim 1, it is characterised in that the floating head (11) and Floating Head Flange
(10) it is fixedly connected.
6. shell-and-tube high pressure heat exchanger according to claim 5, it is characterised in that the floating head (11) and Floating Head Flange
(10) weld.
7. shell-and-tube high pressure heat exchanger according to claim 1, it is characterised in that the heat-exchanging tube bundle (8) is together with floating head
Structure can freely stretch vertically in shell side housing (5).
8. shell-and-tube high pressure heat exchanger according to claim 1, it is characterised in that the heat-exchanging tube bundle (8) is changed by straight type
Heat pipe is constituted.
9. the shell-and-tube high pressure heat exchanger according to any one in claim 1-8, it is characterised in that the shell-and-tube is high
Pressure heat exchanger also includes bobbin carriage studs (12), nut (13), pad (14), and fixed tube sheet (4) is by bobbin carriage studs
(12), nut (13) and pad (14) are fixed between bobbin carriage (1) and shell side housing (5)；Or fixed tube sheet (4) and bobbin carriage
(1) it is an entirety, it passes through studs (12), nut (13) and pad (14) and is connected with shell side housing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061338.9U CN206095003U (en) | 2016-09-18 | 2016-09-18 | Shell -and -tube high pressure heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061338.9U CN206095003U (en) | 2016-09-18 | 2016-09-18 | Shell -and -tube high pressure heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095003U true CN206095003U (en) | 2017-04-12 |
Family
ID=58479907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621061338.9U Active CN206095003U (en) | 2016-09-18 | 2016-09-18 | Shell -and -tube high pressure heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095003U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204271A (en) * | 2017-12-29 | 2018-06-26 | 黄山杰尔马热交换系统有限公司 | A kind of engine radiator water chamber structure |
| CN108759546A (en) * | 2018-05-29 | 2018-11-06 | 珠海格力电器股份有限公司 | Prevent shell and tube structure and hot water machine of spalling |
| CN110715565A (en) * | 2019-09-24 | 2020-01-21 | 浙江工程设计有限公司 | Vertical integral drawable floating head heat exchanger suitable for non-clean fluid |
| CN114111377A (en) * | 2021-11-25 | 2022-03-01 | 北京动力机械研究所 | Method for designing harmonious deformable heat exchanger structure |
-
2016
- 2016-09-18 CN CN201621061338.9U patent/CN206095003U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204271A (en) * | 2017-12-29 | 2018-06-26 | 黄山杰尔马热交换系统有限公司 | A kind of engine radiator water chamber structure |
| CN108204271B (en) * | 2017-12-29 | 2019-06-14 | 黄山杰尔马热交换系统有限公司 | A kind of engine radiator water chamber structure |
| CN108759546A (en) * | 2018-05-29 | 2018-11-06 | 珠海格力电器股份有限公司 | Prevent shell and tube structure and hot water machine of spalling |
| CN110715565A (en) * | 2019-09-24 | 2020-01-21 | 浙江工程设计有限公司 | Vertical integral drawable floating head heat exchanger suitable for non-clean fluid |
| CN114111377A (en) * | 2021-11-25 | 2022-03-01 | 北京动力机械研究所 | Method for designing harmonious deformable heat exchanger structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200914 Address after: 100027 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: SINOPEC ENGINEERING Inc. Patentee after: China Petroleum & Chemical Corp. Co-patentee after: Sinopec Engineering (Group) Co.,Ltd. Address before: Anhui Beili Anyuan 21 No. 100101 Beijing Chaoyang District City Co-patentee before: Sinopec Engineering (Group) Co.,Ltd. Patentee before: SINOPEC ENGINEERING Inc. |