CN217006254U - Leakage detection tool for fixed tube sheet type heat exchanger - Google Patents
Leakage detection tool for fixed tube sheet type heat exchanger Download PDFInfo
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- CN217006254U CN217006254U CN202220620269.XU CN202220620269U CN217006254U CN 217006254 U CN217006254 U CN 217006254U CN 202220620269 U CN202220620269 U CN 202220620269U CN 217006254 U CN217006254 U CN 217006254U
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- tube
- heat exchanger
- fastenable
- breather pipe
- tube side
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Abstract
The utility model relates to a leak detection tool for a fixed tube-sheet heat exchanger, which comprises a vent pipe and a plurality of connecting pipes, wherein the vent pipe is arranged on the vent pipe; the breather pipe with connecting pipe threaded connection, be provided with a plurality of air vents on the breather pipe, the breather pipe right side is connected with the hand valve that admits air, it is provided with fastenable tube side copper stopper to slide on the breather pipe, fastenable tube side copper stopper right side is provided with fastening nut I, fastening nut I can be fixed fastenable tube side copper stopper is in position on the breather pipe, fastenable tube side copper stopper with be provided with the manometer between the hand valve that admits air, the other end of connecting pipe has the copper stopper of dismantling tube side through threaded connection, it is provided with fastening nut II to dismantle tube side copper stopper left side. The utility model can accurately detect which tube pass in the fixed tube plate heat exchanger leaks, can be applied to tube passes with various sizes, saves cost, reduces the labor intensity of workers and improves the working efficiency of the workers.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a leakage detection tool of a fixed tube-plate heat exchanger.
Background
The fixed tube-plate heat exchanger is a shell-and-tube heat exchanger with tube plates at two ends of a tube bundle fixedly connected with a shell by adopting a welding method. The fixed tube plate type heat exchanger is an energy-saving device for realizing heat transfer between materials, and is a process device commonly applied to the industries of petroleum, chemical industry, petrochemical industry, metallurgy, electric power, light industry, food and the like.
Because the fixed tube-plate heat exchanger runs in a high-temperature high-pressure easily-corroded environment for a long period, local leakage caused by corrosion and deformation is easy to occur between the tube shell sides of the fixed tube-plate heat exchanger. In the daily maintenance, the staff generally adopts the leak hunting of a whole set of fixed tube sheet heat exchanger, in case there is the leak source, is difficult for the accuracy to find the concrete position of leak source, only can block off the tube side in a large number or demolish the new equipment of change, leads to heat exchange efficiency to reduce, delay the time limit for a project to cause certain economic loss. Therefore, a single-tube-pass leak detection tool which is simple to operate, accurate to judge, safe, reliable and convenient to maintain needs to be researched.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model provides a leakage detection tool for a fixed tube-plate heat exchanger.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a leak detection tool for a fixed tube-sheet heat exchanger comprises a vent pipe and a plurality of connecting pipes; the breather pipe with connecting pipe threaded connection, be provided with a plurality of air vents on the breather pipe, the breather pipe right side is connected with the hand valve that admits air, it is provided with fastenable tube side copper stopper to slide on the breather pipe, fastenable tube side copper stopper right side is provided with fastening nut I, fastening nut I can be fixed fastenable tube side copper stopper is in position on the breather pipe, fastenable tube side copper stopper with be provided with the manometer between the hand valve that admits air, the other end of connecting pipe has the copper stopper of dismantling tube side through threaded connection, it is provided with fastening nut II to dismantle tube side copper stopper left side.
Further, the detachable tube side copper plug is of a circular truncated cone shape.
Further, the fastenable tube side copper plug is of a circular truncated cone shape.
Furthermore, a plurality of vent holes are formed in the connecting pipe.
Furthermore, the fastening nut I and the fastening nut II are both hexagon nuts.
The utility model achieves the following beneficial effects:
1. the utility model can accurately detect which tube pass in the fixed tube plate heat exchanger leaks, and independently cuts and processes the tube pass, thereby maintaining the existing heat exchange area of the fixed tube plate heat exchanger to the maximum extent, prolonging the service life of the fixed tube plate heat exchanger, saving the cost, reducing the labor intensity of workers and improving the working efficiency of the workers.
2. The utility model connects a plurality of vent pipes through the connecting wires, can adapt to fixed tube plate heat exchangers with various lengths, and can be suitable for fixed tube plate heat exchangers with various diameters by matching the detachable tube pass copper plug with the fastenable tube pass copper plug.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The notation in the figure is: 1. a breather pipe; 2. a vent hole; 3. the tube side copper plug can be disassembled; 4. the tube side copper plug can be fastened; 5. a pressure gauge; 6. fastening a nut I; 61. fastening a nut II; 7. an air inlet hand valve; 8. a connecting pipe; 9. a tube pass; 10. shell side.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a leakage detection tool for a fixed tube-plate heat exchanger according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a leak hunting instrument of fixed tube sheet heat exchanger, including inside hollow breather pipe 1, 1 left side top of breather pipe is provided with a plurality of air vents 2, the left end of breather pipe 1 is provided with the external screw thread, it is provided with fastenable tube side copper stopper 4 to slide on the breather pipe 1, fastenable tube side copper stopper 4 is the round platform type, fastenable tube side copper stopper 4 right side is provided with fastening nut I6, fastening nut I6 can be fixed fastenable tube side copper stopper 4 is in position on the breather pipe 1, 1 right-hand member fixedly connected with of breather pipe advances air valve 7, it controls to advance air valve 7 the switch of breather pipe 1, it is provided with manometer 5 to advance air valve 7's left side, manometer 5 is used for measuring 1 inside pressure. The utility model discloses a breather pipe, including breather pipe 1, connecting pipe 8, detachable tube side copper stopper 3, the left side of detachable tube side copper stopper is provided with fastening nut II 61, and the left end of breather pipe 1 is provided with the internal thread through threaded connection, and the left end is provided with the external screw thread, 8 left ends of connecting pipe have detachable tube side copper stopper 3 through threaded connection, detachable tube side copper stopper 3 is the round platform type, detachable tube side copper stopper 3 left side is provided with fastening nut II 61. The fastening nut I6 and the fastening nut II 61 are hexagonal nuts.
When the device is used, a worker selects a proper number of the connecting pipes 8 according to the length of a tube pass 9 in a fixed tube-plate heat exchanger, the connecting pipes 8 are connected with the vent pipe 1 through threads, the connected connecting pipes 8 and the vent pipe 1 extend into the tube pass 9 of the fixed tube-plate heat exchanger, the tail end of each connecting pipe 8 is connected with the detachable tube pass copper plug 3 through threads, the detachable tube pass copper plug 3 is fixed through the fastening nut II 61, one end of the tube pass 9 is blocked through the detachable tube pass copper plug 3, the fastenable tube pass copper plug 4 is moved to block the other end of the tube pass 9, and the fastening nut I6 is screwed down, so that the fastenable tube pass copper plug 4 is fixed at a specific position of the vent pipe 1. At the moment, the tube side 9 is in a closed state, the air inlet hand valve 7 is opened, nitrogen gas with required test pressure is filled, the air inlet hand valve 7 is closed after the pressure is stable, if the indication number of the pressure gauge 5 keeps unchanged for a long time, the tube side 9 in the section has no leakage, otherwise, if the indication number of the pressure gauge 5 is reduced, the tube side 9 in the section has leakage. And repeating the steps, and detecting the tube passes 9 one by one until the leaked tube pass 9 is detected.
It is to be understood that the present invention has been described with reference to certain embodiments and that various changes in form and details may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a fixed tube sheet heat exchanger's instrument of leaking hunting which characterized in that: comprises a breather pipe (1) and a plurality of connecting pipes (8); breather pipe (1) with connecting pipe (8) threaded connection, be provided with a plurality of air vents (2) on breather pipe (1), breather pipe (1) right side is connected with air intake hand valve (7), it is provided with fastenable tube side copper stopper (4) to slide on breather pipe (1), fastenable tube side copper stopper (4) right side is provided with fastening nut I (6), fastening nut I (6) can be fixed fastenable tube side copper stopper (4) is in position on breather pipe (1), fastenable tube side copper stopper (4) with be provided with manometer (5) between air intake hand valve (7), tube side copper stopper (3) can be dismantled to the other end of connecting pipe (8) through threaded connection, it is provided with fastening nut II (61) to dismantle tube side copper stopper (3) left side.
2. The leak detection tool of the fixed tube-plate heat exchanger as claimed in claim 1, wherein: the detachable tube side copper plug (3) is of a circular truncated cone shape.
3. The leak detection tool of the fixed tube-plate heat exchanger as claimed in claim 1, wherein: the fastenable tube side copper plug (4) is of a circular truncated cone shape.
4. The leak detection tool of the fixed tube-plate heat exchanger as claimed in claim 1, wherein: the connecting pipe (8) is provided with a plurality of vent holes (2).
5. The leak detection tool of the fixed tube-plate heat exchanger as claimed in claim 1, wherein: and the fastening nut I (6) and the fastening nut II (61) are both hexagon nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220620269.XU CN217006254U (en) | 2022-03-21 | 2022-03-21 | Leakage detection tool for fixed tube sheet type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220620269.XU CN217006254U (en) | 2022-03-21 | 2022-03-21 | Leakage detection tool for fixed tube sheet type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217006254U true CN217006254U (en) | 2022-07-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220620269.XU Active CN217006254U (en) | 2022-03-21 | 2022-03-21 | Leakage detection tool for fixed tube sheet type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217006254U (en) |
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2022
- 2022-03-21 CN CN202220620269.XU patent/CN217006254U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Guoneng Petrochemical Import and Export Co.,Ltd. Assignor: LIHUA YILIJIN REFINERY Co.,Ltd. Contract record no.: X2022980025690 Denomination of utility model: A leak detection tool for fixed tube sheet heat exchanger Granted publication date: 20220719 License type: Common License Record date: 20221212 |