CN212693204U - Pressure testing device for floating head heat exchanger - Google Patents
Pressure testing device for floating head heat exchanger Download PDFInfo
- Publication number
- CN212693204U CN212693204U CN202020838733.3U CN202020838733U CN212693204U CN 212693204 U CN212693204 U CN 212693204U CN 202020838733 U CN202020838733 U CN 202020838733U CN 212693204 U CN212693204 U CN 212693204U
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- heat exchanger
- floating head
- ring
- flange
- pressure
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Abstract
The utility model provides a pressure test device for a floating head type heat exchanger, wherein tube plates are welded at two ends of a heat exchanger tube bundle, a winding pad B is arranged between one side of the tube plate at one end of the tube bundle and a heat exchanger flange, a fixed end compression ring is arranged at the other side of the tube plate through a winding pad A, and the fixed end compression ring is fixed on the heat exchanger flange through a bolt A; the tube plate at the other end of the tube bundle is clamped in a floating head end pressure ring, the inner wall of the floating head end pressure ring is provided with a groove, a sealing ring is arranged in the groove, the outer wall of the end part of the floating head end pressure ring and the groove are internally provided with communicated pressure relief holes, joints are arranged on the pressure relief holes and are communicated with the shell pass of the heat exchanger through high-pressure rubber tubes, the floating head end pressure ring and the flange end of the heat exchanger are provided with a winding pad C, and the floating head end pressure ring is fixedly connected with the flange of the heat exchanger; has the advantages that: the utility model has simple and compact structure and low cost; the sealing performance is good, and the smooth performance of a hydraulic test of the pipe head is ensured; the traditional sealing mode of extruding the packing is changed, and the operation is simple.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger and specifically relates to a floating head heat exchanger pressure testing device is related to.
Background
The floating head type heat exchanger is widely applied to the fields of petrochemical industry, pharmaceutical chemical industry and the like, and the traditional floating head type heat exchanger tube head pressure test device adopts the sealing mode of an extrusion packing, so that the structure is complex, the operation is complex, and the leakage is easy to occur during hydraulic test.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the not enough of prior art, and provide a floating head heat exchanger pressure testing device.
The utility model discloses new technical scheme is: a pressure test device for a floating head type heat exchanger comprises a fixed end pressure ring, a winding pad, a bolt, a sealing ring, a joint and a floating head end pressure ring, wherein pipe plates are welded at two ends of a heat exchanger pipe bundle, the winding pad B is arranged between one side of the pipe plate at one end of the pipe bundle and a heat exchanger flange, the other side of the pipe plate is provided with the fixed end pressure ring through the winding pad A, and the fixed end pressure ring is fixed on the heat exchanger flange through the bolt A; the tube sheet card the tube sheet other end float the first end clamping ring, float first end clamping ring inner wall be equipped with the recess, the recess in install the sealing washer, float first end clamping ring tip outer wall and recess in be equipped with the pressure release hole of intercommunication, the pressure release hole on install the joint, the joint pass through the shell side intercommunication of high-pressure rubber pipe and heat exchanger, float head end clamping ring and heat exchanger flange end be equipped with winding pad C, and float head end clamping ring and heat exchanger flange and pass through bolt B fixed connection.
The winding pad is a metal graphite pad.
The sealing ring is made of nitrile rubber.
The fixed end pressure ring is manufactured by a thick steel plate or a forged piece according to the size of the floating head type heat exchanger shell flange.
The floating head end pressing ring is formed by processing a steel forging according to the sizes of the outer head cover side flange, the floating head hook ring and the floating head flange.
The utility model has the advantages that: the utility model has simple and compact structure and low cost; the sealing performance is good, and the smooth performance of a hydraulic test of the pipe head is ensured; the traditional sealing mode of extruding the packing is changed, and the operation is simple.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the floating head end pressure ring.
Wherein: 1 is the fixed end clamping ring, 2 is winding pad A, 3 is winding pad B, 4 is bolt A, 5 is bolt B, 6 is winding pad C, 7 is the floating head end clamping ring, 701 is the recess, 702 is the pressure release hole, 8 is the joint.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A pressure test device for a floating head type heat exchanger comprises a fixed end pressure ring 1, a winding pad, a bolt, a sealing ring, a joint 8 and a floating head end pressure ring 7, wherein pipe plates are welded at two ends of a heat exchanger pipe bundle, the winding pad B3 is arranged between one side of the pipe plate at one end of the pipe bundle and a heat exchanger flange, the fixed end pressure ring 1 is arranged at the other side of the pipe plate through the winding pad A2, and the fixed end pressure ring 1 is fixed on the heat exchanger flange through the bolt A4; tube bank other end the tube sheet card in floating head end clamping ring 7, floating head end clamping ring 7 inner wall be equipped with recess 701, recess 701 in install the sealing washer, 7 tip outer walls of floating head end clamping ring and recess 701 in be equipped with the pressure release hole 702 of intercommunication, pressure release hole 702 on install and connect 8, connect 8 shell side intercommunication through high-pressure rubber pipe and heat exchanger, floating head end clamping ring 7 and heat exchanger flange end be equipped with winding pad C6, and floating head end clamping ring 7 and heat exchanger flange pass through bolt B5 fixed connection.
The winding pad is a metal graphite pad.
The sealing ring is made of nitrile rubber.
The fixed end pressure ring 1 is manufactured by a thick steel plate or a forging piece according to the size of the floating head type heat exchanger shell flange.
The floating head end pressing ring 7 is formed by processing a steel forging according to the sizes of the outer head cover side flange, the floating head hook ring and the floating head flange.
A pressure test device of a floating head heat exchanger is characterized in that a fixed end pressure ring 1 of the pressure test device is connected with a shell flange through a high-strength bolt A4; the seal ring is fitted into the groove 701 in the inner wall of the floating head end pressing ring 7, and the floating head end pressing ring 7 is connected to the outer head cover side flange of the housing by high-strength bolts B5. The joint 8 is communicated with the floating head type heat exchanger shell and the groove 701 of the inner wall of the floating head capping ring through a high-pressure rubber pipe, and the pressure of the inner side and the outer side of the sealing ring is equal when a hydraulic test is guaranteed.
Claims (5)
1. The utility model provides a floating head heat exchanger pressure testing device, includes stiff end clamping ring (1), winding pad, bolt, sealing washer, joint (8) and floating head end clamping ring (7), its characterized in that: pipe plates are welded at two ends of the heat exchanger pipe bundle, a winding pad B (3) is arranged between one side of the pipe plate at one end of the pipe bundle and a heat exchanger flange, a fixed end compression ring (1) is arranged at the other side of the pipe plate through a winding pad A (2), and the fixed end compression ring (1) is fixed on the heat exchanger flange through a bolt A (4); tube bank other end the tube sheet card in floating head end clamping ring (7), floating head end clamping ring (7) inner wall be equipped with recess (701), recess (701) in install the sealing washer, floating head end clamping ring (7) tip outer wall and recess (701) in be equipped with pressure release hole (702) of intercommunication, pressure release hole (702) on install and connect (8), connect (8) shell side intercommunication through high-pressure rubber pipe and heat exchanger, floating head end clamping ring (7) and heat exchanger flange end be equipped with winding pad C (6), and floating head end clamping ring (7) and heat exchanger flange pass through bolt B (5) fixed connection.
2. The pressure testing device for the floating head heat exchanger according to claim 1, wherein: the winding pad is a metal graphite pad.
3. The pressure testing device for the floating head heat exchanger according to claim 1, wherein: the sealing ring is made of nitrile rubber.
4. The pressure testing device for the floating head heat exchanger according to claim 1, wherein: the fixed end pressure ring (1) is manufactured by a thick steel plate or a forged piece according to the size of the floating head heat exchanger shell flange.
5. The pressure testing device for the floating head heat exchanger according to claim 1, wherein: the floating head end pressure ring (7) is formed by processing a steel forging according to the size of the outer head cover side flange, the floating head hook ring and the floating head flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838733.3U CN212693204U (en) | 2020-05-19 | 2020-05-19 | Pressure testing device for floating head heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838733.3U CN212693204U (en) | 2020-05-19 | 2020-05-19 | Pressure testing device for floating head heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212693204U true CN212693204U (en) | 2021-03-12 |
Family
ID=74887382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020838733.3U Active CN212693204U (en) | 2020-05-19 | 2020-05-19 | Pressure testing device for floating head heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212693204U (en) |
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2020
- 2020-05-19 CN CN202020838733.3U patent/CN212693204U/en active Active
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