CN207263384U - A kind of mounting structure of test fixture and floating head heat exchanger - Google Patents
A kind of mounting structure of test fixture and floating head heat exchanger Download PDFInfo
- Publication number
- CN207263384U CN207263384U CN201721368548.7U CN201721368548U CN207263384U CN 207263384 U CN207263384 U CN 207263384U CN 201721368548 U CN201721368548 U CN 201721368548U CN 207263384 U CN207263384 U CN 207263384U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- test
- flange
- floating
- flange part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
A kind of mounting structure of test fixture and floating head heat exchanger is the utility model is related to, including：Floating head heat exchanger and test fixture, the floating head heat exchanger include：Heat exchanger shell and heat exchange tube assemblies, the heat exchange tube assemblies include fixed tube sheet, floating tubesheet and several heat exchanger tubes, the test fixture includes the first test flange part and the second test flange part, one end of the heat exchanger shell is equipped with the 3rd flange, the other end of the heat exchanger shell is equipped with the 4th flange, connected between the first test flange part and the 3rd flange by several first fixing pieces and be held on fixed tube sheet between the two, connected between the second test flange part and the 4th flange by several second fixing pieces, at least one seal groove is equipped with the second test flange part, the sealing ring abutted against with floating tubesheet outer circumference surface is equipped with the seal groove, mounting structure in the utility model is simple in structure, it is convenient to mount and dismount, and higher hydraulic pressure can be born.
Description
【Technical field】
It the utility model is related to floating head heat exchanger field, more particularly to the installation knot of a kind of test fixture and floating head heat exchanger
Structure.
【Background technology】
Heat exchanger is a kind of equipment for realizing heat transfer between material, is widely used in the industries such as oil, chemical industry, food
In, movable tube sheets heat exchanger is the one of which in heat exchanger, and the movable tube sheets heat exchanger generally comprises：Housing and it is arranged at housing
Interior heat exchange tube assemblies, the heat-exchanging component include fixed tube sheet, floating tubesheet and be arranged at fixed tube sheet and floating tubesheet it
Between several heat exchanger tubes, one end of the heat exchanger tube mutually welds through fixed tube sheet and with fixed tube sheet, the heat exchanger tube it is another
One end is mutually welded through floating tubesheet and with floating tubesheet, and the so-called fixed tube sheet i.e. tube sheet is mutually fixed with housing, so-called floating head
The tube sheet i.e. tube sheet is not fixed with housing, and when heat exchanger tube is heated, heat-exchanging tube bundle can freely stretch vertically together with floating tubesheet,
To eliminate thermal (temperature difference) stress.In order to prevent there is mutually stream in the hot fluid in the cold fluid and heat exchanger tube between heat exchanger tube and housing
It is logical, so the welding quality between exchange heat pipe and tube sheet is more demanding, once not welding entirely, hot fluid and cold fluid will be caused
Between mutually circulate, so needing to carry out leakage survey specifically for the weld between tube sheet and heat exchanger tube in process of production
Examination.
【Utility model content】
To solve the above problems, the purpose of this utility model is to provide a kind of test work simple in structure, easy for installation
The mounting structure of dress and floating head heat exchanger.
To achieve the above object, the technical solution that the utility model is taken is：A kind of test fixture and floating head heat exchanger
Mounting structure, including：Floating head heat exchanger and test fixture, the floating head heat exchanger include：Heat exchanger shell and it is arranged at heat exchange
Heat exchange tube assemblies in device housing, the heat exchange tube assemblies include fixed tube sheet, floating tubesheet and are arranged at fixed tube sheet with floating
Several heat exchanger tubes between head tube plate, one end of the heat exchanger tube are mutually welded with fixed tube sheet, the other end of the heat exchanger tube with
Floating tubesheet mutually welds, and the test fixture includes the first test flange part for being arranged at fixed tube sheet one end and is arranged at floating head
The second test flange part of tube sheet one end, one end of the heat exchanger shell are equipped with the 3rd flange, the heat exchanger shell it is another
One end is equipped with the 4th flange, by the connection of several first fixing pieces and by admittedly between the first test flange part and the 3rd flange
Fixed tube plate is held between the two, and the first gasket, the fixed tube sheet are equipped between the fixed tube sheet and heat exchanger shell
Be equipped with the second gasket between the first test flange part, described second tests between flange part and the 4th flange by several the
The connection of two fixing pieces, the second test flange part is interior to be equipped with least one seal groove, is equipped with the seal groove with floating
The sealing ring that head tube plate outer circumference surface abuts against, the 3rd gasket is equipped between the second test flange part and the 4th flange.
Preferably, the mounting structure of a kind of test fixture and floating head heat exchanger in the present invention is further arranged to：It is described
The quantity of second test flange part interior sealing ring recess is two.
Preferably, the mounting structure of a kind of test fixture and floating head heat exchanger in the present invention is further arranged to：It is described
First fixing piece and the second fixing piece are bolt and nut.
Compared with prior art, the utility model has the advantages that：Test fixture in the utility model according to
The structure of floating head heat exchanger and design, install and dismantle it is more convenient, will not be damaged in whole test process floating head heat exchange
The structure of device, is equipped with seal groove additionally by the second test flange part, is equipped with seal groove cylindrical with floating tubesheet
The sealing ring that side face abuts against, so that the sealing ring can bear larger hydraulic pressure, has ensured the success rate of leak-testing.
【Brief description of the drawings】
Fig. 1 is the schematic diagram of test fixture and floating head heat exchanger mounting structure in the utility model.
Fig. 2 is the partial enlarged view at A in Fig. 1.
In Fig. 1 and Fig. 2：1st, floating head heat exchanger, 10, heat exchanger shell, the 100, the 3rd flange, the 101, the 4th flange, 11, change
Heat pipe assembly, 110, fixed tube sheet, 111, floating tubesheet, 112, heat exchanger tube, 2, test fixture, the 20, first test flange part,
21st, the second test flange part, 210, seal groove, 211, sealing ring, the 3, first gasket, the 4, second gasket, the 5, the 3rd is close
Packing.
【Embodiment】
Installation knot below by specific embodiment to a kind of test fixture described in the utility model and floating head heat exchanger
Structure is described in further detail.
Join shown in Fig. 1, a kind of mounting structure of test fixture and floating head heat exchanger, including：Floating head heat exchanger 1 and test work
2 are filled, the floating head heat exchanger 1 includes：Heat exchanger shell 10 and the heat exchange tube assemblies 11 being arranged in heat exchanger shell 10, it is described
Heat exchange tube assemblies 11 include fixed tube sheet 110, floating tubesheet 111 and are arranged between fixed tube sheet 110 and floating tubesheet 111
Several heat exchanger tubes 112, one end of the heat exchanger tube 112 and 110 phase of fixed tube sheet are welded, the other end of the heat exchanger tube 112 with
111 phase of floating tubesheet is welded.
The test fixture 2 includes the first test flange part 20 for being arranged at 110 one end of fixed tube sheet and is arranged at floating head
The second test flange part 21 of 111 one end of tube sheet, one end of the heat exchanger shell 10 is equipped with the 3rd flange 100, the heat exchange
The other end of device housing 10 is equipped with the 4th flange 101, and the first test 20 and the 3rd flange 100 of flange part passes through bolt and nut
Connect and be held on fixed tube sheet 110 between the two, it is close that first is equipped between the fixed tube sheet 110 and heat exchanger shell 10
Packing 3, the fixed tube sheet 110 and first are equipped with the second gasket 4, the second test flange part between testing flange part 20
21 and the 4th are connected by bolt and nut between flange 101, are equipped between the second test 21 and the 4th flange 101 of flange part
3rd gasket 5, the second test flange part 21 is interior to be equipped with two seal grooves 210 being arranged side by side, the seal groove
The sealing ring 211 abutted against with 111 outer circumference surface of floating tubesheet is equipped with 210, sealing ring 211 is arranged at seal groove 210
It is interior that sealing ring can be made to bear larger hydraulic pressure, so as to improve the success rate of leak-testing.
Test philosophy in the utility model is：Using original 3rd flange of heat exchanger shell and the 4th flange arrangement,
Test fixture is also designed to flange arrangement, consequently facilitating test fixture is installed with heat exchanger shell, by test fixture with
After heat exchanger shell installation, water is entered in heat exchanger shell from the water inlet at the top of heat exchanger shell, and is applied necessarily
Hydraulic pressure, if complete without weldering between exchanger tubes and tubesheets, test water will be flowed out between exchanger tubes and tubesheets, represent the heat exchanger tube with
Welded between tube sheet it is unqualified, if test water enter after do not flowed out between exchanger tubes and tubesheets, represent the heat exchanger tube and
It is qualified to be welded between tube sheet.
In conclusion the test fixture in the utility model is designed according to the structure of floating head heat exchanger, install and dismantle
It is more convenient, the structure of floating head heat exchanger will not be damaged in whole test process, flange part is tested additionally by second
It is interior to be equipped with seal groove, the sealing ring abutted against with floating tubesheet outer circumference surface is equipped with seal groove, so that the sealing
Circle can bear larger hydraulic pressure, ensure the success rate of leak-testing.
The principles and effects of the utility model creation, and the reality that part uses only is illustrated in the above embodiments
Example is applied, is rather than limited the present invention；It should be pointed out that for those of ordinary skill in the art, this is not being departed from
On the premise of utility model creates design, various modifications and improvements can be made, these belong to the protection of the utility model
Scope.
Claims (3)
- A kind of 1. mounting structure of test fixture and floating head heat exchanger, it is characterised in that including：Floating head heat exchanger and test work Dress, the floating head heat exchanger include：Heat exchanger shell and the heat exchange tube assemblies being arranged in heat exchanger shell, the set of heat exchange tubes Part includes fixed tube sheet, floating tubesheet and the several heat exchanger tubes being arranged between fixed tube sheet and floating tubesheet, the heat exchanger tube One end mutually welded with fixed tube sheet, the other end of the heat exchanger tube is mutually welded with floating tubesheet, the test fixture include set The the first test flange part for being placed in fixed tube sheet one end and the second test flange part for being arranged at floating tubesheet one end, the heat exchange One end of device housing is equipped with the 3rd flange, and the other end of the heat exchanger shell is equipped with the 4th flange, the first test flange Connect and be held on fixed tube sheet between the two, the fixed tube sheet by several first fixing pieces between part and the 3rd flange The first gasket is equipped between heat exchanger shell, the second sealing is equipped between the fixed tube sheet and the first test flange part Pad, is connected, the second test flange part between the second test flange part and the 4th flange by several second fixing pieces It is interior to be equipped with least one seal groove, it is equipped with the sealing ring abutted against with floating tubesheet outer circumference surface, institute in the seal groove State and the 3rd gasket is equipped between the second test flange part and the 4th flange.
- A kind of 2. mounting structure of test fixture and floating head heat exchanger as claimed in claim 1, it is characterised in that：Described second The quantity for testing flange part interior sealing ring recess is two.
- A kind of 3. mounting structure of test fixture and floating head heat exchanger as claimed in claim 1, it is characterised in that：Described first Fixing piece and the second fixing piece are bolt and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368548.7U CN207263384U (en) | 2017-10-23 | 2017-10-23 | A kind of mounting structure of test fixture and floating head heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368548.7U CN207263384U (en) | 2017-10-23 | 2017-10-23 | A kind of mounting structure of test fixture and floating head heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263384U true CN207263384U (en) | 2018-04-20 |
Family
ID=61915740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721368548.7U Active CN207263384U (en) | 2017-10-23 | 2017-10-23 | A kind of mounting structure of test fixture and floating head heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207263384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543658A (en) * | 2017-10-23 | 2018-01-05 | 张化机（苏州）重装有限公司 | A kind of mounting structure of test fixture and floating head heat exchanger |
-
2017
- 2017-10-23 CN CN201721368548.7U patent/CN207263384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543658A (en) * | 2017-10-23 | 2018-01-05 | 张化机（苏州）重装有限公司 | A kind of mounting structure of test fixture and floating head heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203298648U (en) | Polytetrafluoroethylene tube type air preheater | |
| CN201503332U (en) | Packing box for hydraulic test on floating tube sheet end of floating head type heat exchanger | |
| CN205301092U (en) | Raise nose above water to breathe to hold tube sheet to be float head heat -exchanger shell side pressure testing frock of flange joint formula | |
| CN105486460B (en) | A kind of pressure testing system for movable tube sheets heat exchanger | |
| CN107238473A (en) | A kind of sealing device for water pressure test | |
| CN103557738A (en) | Sealing structure of tubular heat exchanger tube box | |
| CN207263384U (en) | A kind of mounting structure of test fixture and floating head heat exchanger | |
| CN102564170A (en) | Tube type heat exchanger | |
| CN205843896U (en) | A kind of floating head heat exchanger tube head water pressure test frock | |
| CN203929520U (en) | A kind of heat exchanger tube pass pressure testing device | |
| CN103148731B (en) | Improved tube type heat exchanger tube box | |
| CN206945231U (en) | A kind of sealing device for water pressure test | |
| CN103063075B (en) | Tube box structure of tube type heat exchanger | |
| CN106907944A (en) | A kind of big footpath take-over type plate cooler for vessel | |
| CN105699201B (en) | High pressure shell pass type pressure testing device for floating head type heat exchanger | |
| CN203980954U (en) | A kind of Modified filler letter heat exchanger | |
| CN207298886U (en) | A kind of blossom type comb waste heat boiler | |
| KR20180015503A (en) | Heat exchanger and nuclear power plant having the same | |
| CN107543658A (en) | A kind of mounting structure of test fixture and floating head heat exchanger | |
| CN206583337U (en) | A kind of big footpath take-over type plate cooler for vessel | |
| CN202614479U (en) | Pressure testing fixture for floating head type heat exchangers | |
| CN204924007U (en) | A inside floating tubesheet structure that is used for expansion joint of taking of feed gas pre -heater | |
| CN113834841B (en) | Liquid nitrogen thermal shock testing device for butt welding seam of metal pipeline | |
| CN107166123B (en) | It is a kind of for transmitting the split channel device of extra-high | |
| CN202470835U (en) | Tubular heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |