CN210347342U - Device is verified to shell-and-tube heat exchanger heat exchange tube intensity - Google Patents
Device is verified to shell-and-tube heat exchanger heat exchange tube intensity Download PDFInfo
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- CN210347342U CN210347342U CN201921258007.8U CN201921258007U CN210347342U CN 210347342 U CN210347342 U CN 210347342U CN 201921258007 U CN201921258007 U CN 201921258007U CN 210347342 U CN210347342 U CN 210347342U
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Abstract
The utility model relates to a device for verifying the strength of a heat exchange tube of a shell-and-tube heat exchanger, which comprises an air release sleeve and an inlet sleeve which are respectively sleeved at the two ends of the heat exchange tube, wherein a sealing block is arranged in the air release sleeve; the import cover is equipped with the joint, connects the outer lane and is equipped with sealed the pad for stairstepping and thicker one end and heat exchange tube terminal surface between, is equipped with the seal cover between inlet cover and the heat exchange tube, and the both sides of seal cover push up respectively on inlet cover and joint, connects thinner one and serves the cover to have an import end cap, and the import end cap passes through the screw thread to be connected with the import cover, has the intercommunicating pore that feeds through heat exchange tube and pressure testing pump in the joint, the utility model discloses simple structure, the dismouting of being convenient for, low in manufacturing cost.
Description
Technical Field
The utility model relates to a detect technical field, specifically indicate a device is verified to shell and tube heat exchanger heat exchange tube intensity.
Background
The shell-and-tube heat exchanger in the chemical field has very large usage amount, the heat exchange tube vibrates violently due to the temperature difference between the tube and the shell pass in the operation process of the chemical device of the shell-and-tube heat exchanger, and the wall thickness of the heat exchange tube is generally thin, if the heat exchange tube has defects to cause equipment leakage, the tube and the shell pass media are mixed, the heat exchange efficiency of the equipment is influenced, the equipment has great potential safety hazard, and therefore, the strength of the heat exchange tube meets the requirement in the long-term use process of the equipment; meanwhile, in the equipment manufacturing process, the heat exchange tube of the U-shaped tubular heat exchanger is particularly incapable of being maintained due to the defect, and only the tube bundle can be replaced, so that the cost is greatly increased.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a simple structure, be convenient for dismouting, low in manufacturing cost's shell and tube type heat exchanger heat exchange tube intensity verification device.
The utility model is realized by the following technical scheme, a device for verifying the strength of a heat exchange tube of a shell-and-tube heat exchanger is provided, which comprises an air release sleeve and an inlet sleeve which are respectively sleeved at two ends of the heat exchange tube, wherein a sealing block is arranged in the air release sleeve;
the inlet sleeve is internally provided with a joint, a sealing gasket is arranged between the thicker end of the outer ring of the joint and the end surface of the heat exchange tube, a sealing sleeve is arranged between the inlet sleeve and the heat exchange tube, two sides of the sealing sleeve are respectively propped against the inlet sleeve and the joint, the thinner end of the joint is sleeved with an inlet plug, the inlet plug is connected with the inlet sleeve through threads, and a communicating hole for communicating the heat exchange tube and the pressure test pump is arranged in the joint.
The sealing gasket in the scheme has a sealing effect between the end face of the heat exchange pipe and the sealing block, the sealing sleeve has a sealing effect between the heat exchange pipe and the air release sleeve, when the plug is screwed down through threads, the plug can push the sealing block to move towards the direction of the heat exchange pipe, so that the sealing gasket is pressed at the end part of the heat exchange pipe through the sealing block, one end of the heat exchange pipe is blocked, when the sealing block moves towards the direction of the heat exchange pipe, the sealing sleeve is extruded to be compressed along the axial direction and expanded along the radial direction, the air release sleeve and the heat exchange pipe are extruded and fastened by the sealing sleeve, the sealing effect can be achieved, the heat exchange pipe can be prevented from moving axially relative to the air release sleeve, the screwing force of the plug is larger, the sealing block and the end part of the.
The sealing gasket plays a role in sealing between the end face of the heat exchange pipe and the joint, the sealing sleeve plays a role in sealing between the heat exchange pipe and the inlet sleeve, when the inlet plug is screwed down through threads, the inlet plug can push the joint to move towards the heat exchange pipe, so that the sealing gasket is tightly pressed at the end part of the heat exchange pipe through the joint, a joint between the communication hole in the joint and the heat exchange pipe is sealed, liquid leakage is prevented, when the joint moves towards the heat exchange pipe, the sealing sleeve is also squeezed to be compressed along the axial direction and expanded along the radial direction, so that the sealing sleeve extrudes and fastens the inlet sleeve and the heat exchange pipe, the sealing function can be played, the heat exchange pipe can be prevented from axially moving relative to the inlet sleeve, the higher the screwing force of the inlet plug is, the better the joint and the end part of the sealing pipe of the heat exchange pipe are, the, for pumping high pressure liquid into the heat exchange tube.
Preferably, the sealing block is provided with a sealing sinking groove matched with the heat exchange tube, the heat exchange tube is inserted into the sealing sinking groove, and the sealing gasket is arranged at the bottom of the sealing sinking groove. The sealed heavy groove that sets up in this scheme can lead the heat transfer pipe, makes the heat transfer pipe tip accurately push up on the sealing pad in sealed heavy inslot.
Preferably, the joint is provided with a joint sinking groove matched with the heat exchange tube, the heat exchange tube is inserted into the joint sinking groove, the sealing gasket is arranged at the bottom of the joint sinking groove, and the connecting hole is communicated to the bottom of the joint sinking groove. The joint that sets up sinks the groove in this scheme, can lead heat transfer pipe, makes heat transfer pipe tip accurately push up on the gasket that connects in sinking the groove.
Preferably, a support block is fixedly connected between the inlet sleeve and the air release sleeve respectively, the support block is positioned on one side of the heat exchange tube, and the shape of the contact surface of the support block and the heat exchange tube is matched with the outer circumferential surface of the heat exchange tube. The support block in the scheme can support the heat exchange tube, so that the vibration of the heat exchange tube in the pressure change process is reduced.
Preferably, the support block and the outer side of the heat exchange tube are sleeved with a fastening sleeve, one side, far away from the support block, of the fastening sleeve is provided with a threaded hole, and a fastening screw is installed in the threaded hole and fastened to the heat exchange tube. The adapter sleeve in this scheme is overlapped in the outer lane of heat exchange tube and tray, and fastening screw on the adapter sleeve fastens the heat exchange tube on the tray to further reduce the vibrations of pressure change in-process heat exchange tube.
Preferably, a pressing block is arranged between the fastening screw and the heat exchange tube, and the shape of the contact surface of the pressing block and the heat exchange tube is matched with the outer circumferential surface of the heat exchange tube. The pressing block in the scheme increases the pressing area of the fastening screw on the heat exchange tube, so that the fastening screw is prevented from damaging the heat exchange tube.
The utility model has the advantages that: the strength verification device for the heat exchange tube of the shell-and-tube heat exchanger realizes the sealing of one end of the heat exchange tube through the air release sleeve, the sealing block, the sealing gasket and the sealing sleeve which are arranged at one end; through joint, inlet sleeve, sealed pad and the seal cover that the other end set up, realized the other end and the intercommunication of pressure testing pump, go into high-pressure liquid through the pressure testing pump to the heat exchange tube in, realized heat exchange tube intensity verification, the utility model discloses simple structure, the dismouting of being convenient for, low in manufacturing cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along the plane A-A of the present invention;
shown in the figure:
1. the device comprises a connector, 2, an inlet plug, 3, an inlet sleeve, 4, a sealing gasket, 5, a sealing sleeve, 6, a fastening sleeve, 7, a fastening screw, 8, an air release sleeve, 9, a sealing block, 10, a plug, 11, a pressing block, 12, a heat exchange tube, 13 and a support block.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 and fig. 2, the device for verifying the strength of the heat exchange tube of the shell-and-tube heat exchanger of the present invention comprises an air release sleeve 8 and an inlet sleeve 3, which are respectively sleeved at two ends of a heat exchange tube 12.
The air release sleeve 8 is cylindrical, the heat exchange tube 12 penetrates through the bottom of the air release sleeve 8, one end of the heat exchange tube 12 is arranged inside the air release sleeve 8, the sealing block 9 is arranged in the air release sleeve 8, the sealing gasket 4 is arranged between the sealing block 9 and the end face of the heat exchange tube 12, the sealing block 9 is provided with a sealing sinking groove matched with the heat exchange tube 12, the heat exchange tube 12 is inserted into the sealing sinking groove, and the sealing gasket 4 is arranged at the bottom of the sealing sinking groove.
The sealing sleeve 5 is arranged between the air release sleeve 8 and the heat exchange tube 12, two sides of the sealing sleeve 5 are respectively propped against the bottom of the air release sleeve 8 and the sealing block 9, one side, far away from the heat exchange tube 12, of the sealing block 9 is provided with a plug 10, the plug 10 is provided with external threads and is connected with the air release sleeve 8 through threads, one end of the plug 10 extends out of the air release sleeve 8, and the extending part of the plug 10 is arranged to be hexagonal, so that a wrench can be used to rotate the plug 10 conveniently.
The inlet sleeve 3 is cylindrical, the heat exchange tube 12 penetrates through the bottom of the inlet sleeve 3, one end of the heat exchange tube 12 is arranged inside the inlet sleeve 3, the joint 1 is arranged in the inlet sleeve 3, the outer ring of the joint 1 is in a step shape, a sealing gasket 4 is arranged between the thick end of the joint 1 and the end face of the heat exchange tube 12, a joint sinking groove matched with the heat exchange tube 12 is formed in the end face of the thick end of the joint 1, the heat exchange tube 12 is inserted into the joint sinking groove, and the sealing gasket 4 is arranged at the bottom of the joint.
Be equipped with seal cover 5 between inlet cover 3 and the heat exchange tube 12, the both sides of seal cover 5 push up respectively on the bottom of inlet cover 3 and joint 1, the thin one of joint 1 is served and is overlapped and have import end cap 2, it has the external screw thread and is connected with import cover 3 through the screw thread to open on the import end cap 2, the one end top of import end cap 2 is in the thick one end of joint 1, the other end of import end cap 2 stretches out to the 3 outsides of import cover and the extension sets up to outer hexagon, thereby be convenient for use the rotatory end cap 10 of spanner.
The joint 1 is internally provided with a communicating hole for communicating the heat exchange tube 12 with a pressure test pump, and the communicating hole is communicated to the bottom of the joint sinking groove. One end of the joint 1 extends out of the inlet plug 2 and is used for connecting a pipeline communicated with the pressure test pump.
A supporting block 13 is fixedly connected between the inlet sleeve 3 and the air release sleeve 8 respectively, the supporting block is positioned on one side of the heat exchange tube 12, and the contact surface of the supporting block 13 and the heat exchange tube 12 is arc-shaped, and the shape of the arc is the same as the outer circumferential surface of the heat exchange tube 12.
The outside cover of tray 13 and heat exchange tube 12 has adapter sleeve 6, and adapter sleeve 6 is the ring shape, and the screw hole has been opened to one side of keeping away from tray 13 on adapter sleeve 6, and fastening screw 7 is installed in the screw hole and is fastened to heat exchange tube 12.
A pressing block 11 is arranged between the fastening screw 7 and the heat exchange tube 12, and the contact surface of the pressing block 11 and the heat exchange tube 12 is arc-shaped and the shape of the arc is the same as the outer circumferential surface of the heat exchange tube 12.
The utility model discloses a use method: when the heat exchange tube is used, one end of the heat exchange tube 12 is inserted into the air release sleeve 8, the sealing sleeve 5, the sealing gasket 4, the sealing block 9 and the plug 10 are sequentially installed, the plug 10 is screwed down by a wrench, one end of the heat exchange tube 12 is sealed, the other end of the heat exchange tube 12 is inserted into the inlet sleeve 3, the sealing sleeve 5, the sealing gasket 4, the joint 1 and the inlet plug 2 are sequentially installed, and the inlet plug 2 is screwed down by the wrench.
And the two support blocks 13 are respectively sleeved with a fastening sleeve 6, a pressing block 11 is inserted between the fastening sleeve 6 and the heat exchange tube 12, and a fastening screw 7 is installed to fasten the heat exchange tube 12 on the support blocks 13.
One end of the joint 1 is communicated with the pressure test pump through a connecting pipe, the pressure test pump is connected, and the pressure test pump pumps high-pressure liquid into the heat exchange pipe, so that the strength of the heat exchange pipe 12 is verified.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides a device is verified to shell and tube heat exchanger heat exchange tube intensity which characterized in that: the heat exchanger comprises an air release sleeve (8) and an inlet sleeve (3) which are sleeved at two ends of a heat exchange tube (12) respectively, wherein a sealing block (9) is arranged in the air release sleeve (8), a sealing gasket (4) is arranged between the sealing block (9) and the end surface of the heat exchange tube (12), a sealing sleeve (5) is arranged between the air release sleeve (8) and the heat exchange tube (12), two sides of the sealing sleeve (5) are respectively propped against the air release sleeve (8) and the sealing block (9), one side of the sealing block (9) far away from the heat exchange tube (12) is provided with a plug (10), and the plug (10) is connected with the air release sleeve (8) through;
the connector (1) is arranged in the inlet sleeve (3), a sealing gasket (4) is arranged between one end of the outer ring of the connector (1) which is stepped and thick and the end surface of the heat exchange tube (12), a sealing sleeve (5) is arranged between the inlet sleeve (3) and the heat exchange tube (12), two sides of the sealing sleeve (5) are respectively propped against the inlet sleeve (3) and the connector (1), an inlet plug (2) is sleeved at one thin end of the connector (1), the inlet plug (2) is connected with the inlet sleeve (3) through threads, and a communication hole for communicating the heat exchange tube (12) with a pressure test pump is formed in the connector (1).
2. The device for verifying the strength of the heat exchange tube of the shell-and-tube heat exchanger as claimed in claim 1, wherein: the sealing block (9) is provided with a sealing sinking groove matched with the heat exchange tube (12), the heat exchange tube (12) is inserted into the sealing sinking groove, and the sealing gasket (4) is arranged at the bottom of the sealing sinking groove.
3. The device for verifying the strength of the heat exchange tube of the shell-and-tube heat exchanger as claimed in claim 1, wherein: the connector (1) is provided with a connector sinking groove matched with the heat exchange tube (12), the heat exchange tube (12) is inserted into the connector sinking groove, the sealing gasket (4) is installed at the bottom of the connector sinking groove, and the connecting hole is communicated to the bottom of the connector sinking groove.
4. The device for verifying the strength of the heat exchange tube of the shell-and-tube heat exchanger as claimed in claim 1, wherein: each rigid coupling has a tray (13) between inlet cover (3) and the cover of letting out gas (8), the tray is located one side of heat exchange tube (12) and the shape of tray (13) and heat exchange tube (12) contact surface and the outer periphery adaptation of heat exchange tube (12).
5. The device for verifying the strength of the heat exchange tube of the shell-and-tube heat exchanger as claimed in claim 4, wherein: the outside cover of tray (13) and heat exchange tube (12) has adapter sleeve (6), and the screw hole has been opened to one side of keeping away from tray (13) on adapter sleeve (6), and fastening screw (7) are installed in the screw hole and are fastened to heat exchange tube (12).
6. The device for verifying the strength of the heat exchange tube of the shell-and-tube heat exchanger as claimed in claim 5, wherein: a pressing block (11) is arranged between the fastening screw (7) and the heat exchange tube (12), and the shape of the contact surface of the pressing block (11) and the heat exchange tube (12) is matched with the outer circumferential surface of the heat exchange tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921258007.8U CN210347342U (en) | 2019-08-06 | 2019-08-06 | Device is verified to shell-and-tube heat exchanger heat exchange tube intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921258007.8U CN210347342U (en) | 2019-08-06 | 2019-08-06 | Device is verified to shell-and-tube heat exchanger heat exchange tube intensity |
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| Publication Number | Publication Date |
|---|---|
| CN210347342U true CN210347342U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921258007.8U Active CN210347342U (en) | 2019-08-06 | 2019-08-06 | Device is verified to shell-and-tube heat exchanger heat exchange tube intensity |
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| Country | Link |
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| CN (1) | CN210347342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398046A (en) * | 2020-04-30 | 2020-07-10 | 宝鸡欧亚化工设备制造厂 | U-shaped tube heat exchanger heat exchange tube detection fixing device and fixing method |
-
2019
- 2019-08-06 CN CN201921258007.8U patent/CN210347342U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398046A (en) * | 2020-04-30 | 2020-07-10 | 宝鸡欧亚化工设备制造厂 | U-shaped tube heat exchanger heat exchange tube detection fixing device and fixing method |
| CN111398046B (en) * | 2020-04-30 | 2022-09-02 | 宝鸡欧亚化工设备制造厂 | Detection fixing device and fixing method for heat exchange tube of U-shaped tube heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A strength verification device for heat exchange tube of shell and tube heat exchanger Effective date of registration: 20211203 Granted publication date: 20200417 Pledgee: Yantai Bank Co.,Ltd. Weihai Branch Pledgor: WEIHAI SHIDAO HEAVY INDUSTRY CO.,LTD. Registration number: Y2021370010132 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230508 Granted publication date: 20200417 Pledgee: Yantai Bank Co.,Ltd. Weihai Branch Pledgor: WEIHAI SHIDAO HEAVY INDUSTRY CO.,LTD. Registration number: Y2021370010132 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A strength verification device for heat exchange tubes in shell and tube heat exchangers Effective date of registration: 20230516 Granted publication date: 20200417 Pledgee: Yantai Bank Co.,Ltd. Weihai Branch Pledgor: WEIHAI SHIDAO HEAVY INDUSTRY CO.,LTD. Registration number: Y2023980040663 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |