CN216594020U - Heat exchanger device that leaks hunting - Google Patents
Heat exchanger device that leaks hunting Download PDFInfo
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- CN216594020U CN216594020U CN202123215253.5U CN202123215253U CN216594020U CN 216594020 U CN216594020 U CN 216594020U CN 202123215253 U CN202123215253 U CN 202123215253U CN 216594020 U CN216594020 U CN 216594020U
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- leakage detection
- heat exchanger
- hunting
- cooling water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model belongs to the technical field of the equipment technique that leaks hunting and specifically relates to a heat exchanger device that leaks hunting is related to, it is including surveying the leak hunting pipe and the basin that leaks hunting, survey leak hunting pipe and cooling water outlet pipe intercommunication, the one end that the cooling water outlet pipe was kept away from to survey the leak hunting pipe lets in the basin that leaks hunting, hold clean water in the basin that leaks hunting, the play water outlet end of surveying the leak hunting pipe is located the surface of water in basin that leaks hunting. After the tubulation of heat exchanger took place to leak, process gas sneakes into in the cooling water to float to the surface from the bottom with the form of bubble in the basin of leaking hunting, produce the bubbling phenomenon promptly, operating personnel can be through observing whether produce the bubbling phenomenon, and then in time judge whether there is the possibility of leaking, and this application has carries out real-time supervision's effect to the leaking hunting of heat exchanger under the prerequisite of the normal work of process flow, need not to shut down the leak hunting to the heat exchanger, improves the productivity effect.
Description
Technical Field
The application relates to the technical field of leakage detection equipment, in particular to a heat exchanger leakage detection device.
Background
The heat exchanger is a device for transferring partial heat of hot fluid to cold fluid, and is widely applied to the industrial production of chemical industry, petroleum industry, power industry, food industry and the like.
Referring to fig. 1, when the heat exchanger 1 is a shell-and-tube heat exchanger and the heat exchanger 1 is used as a water cooler of a synthesis device, the tube-side fluid is a high-temperature high-pressure flammable and combustible process gas, and the arrows in the figure indicate the direction of the process gas; the shell pass fluid is cooling water, a shell pass inlet of the heat exchanger 1 is communicated with a cooling water inlet pipe 2, a shell pass outlet of the heat exchanger 1 is communicated with a cooling water outlet pipe 3, and the direction of the cooling water is opposite to that of the process gas. If the process gas is mixed into the cooling water due to leakage of the tubes in the heat exchanger 1, safety accidents such as combustion and explosion may occur, and therefore, leakage detection needs to be performed on the heat exchanger 1. In a common leak test method of a shell-and-tube heat exchanger, media such as water or nitrogen are filled into a tube nest to be pressurized and checked for leaks, and after the leak test is finished, pressure relief and medium discharge are carried out.
In view of the above-mentioned related technologies, the inventor believes that the detection method for detecting leakage by pressurizing introduced medium is suitable for being performed when the heat exchanger is stopped and repaired, but the leakage detection is performed after the heat exchanger is stopped, which may cause the whole process flow to be stopped together, and thus the production benefit is affected.
SUMMERY OF THE UTILITY MODEL
In order to improve the heat exchanger and need leak hunting influence the problem of productivity effect again after shutting down, this application provides a heat exchanger device that leaks hunting.
The application provides a heat exchanger device that leaks hunting adopts following technical scheme:
the utility model provides a heat exchanger device that leaks hunting, is including surveying the leak hunting pipe and the basin that leaks hunting, survey the leak hunting pipe and communicate with the cooling water outlet pipe, survey the leak hunting pipe and keep away from the one end of cooling water outlet pipe and let in the basin that leaks hunting, it holds clean water to survey in the basin that leaks hunting, the play water end of surveying the leak hunting pipe gos deep into the aquatic.
By adopting the technical scheme, after the tube array of the heat exchanger leaks, the process gas in the tube pass is mixed into the cooling water in the shell pass and enters the leakage detection water tank along with the cooling water, the process gas floats to the surface from the bottom of the water in the leakage detection water tank in a bubble form, namely, the bubbling phenomenon is generated, and an operator can judge whether the leakage occurs in time by observing whether the bubbling phenomenon occurs or not; the leakage detection method can monitor the leakage detection of the heat exchanger in real time on the premise that the technological process normally works, does not need to stop for leakage detection, and improves the production benefit.
Optionally, the leak detection pipe is communicated with a sampling valve.
Through adopting above-mentioned technical scheme, the quality of water of being convenient for operating personnel through the sample valve detection cooling water can further judge whether take place process gas leakage through the quality of water that detects the cooling water, improves the precision of leaking hunting.
Optionally, the leakage detection water tank is provided with a liquid outlet pipe communicated with the interior of the leakage detection water tank, one end of the liquid outlet pipe, which is far away from the leakage detection water tank, is communicated with a cooling tower for cooling water, a water outlet of the cooling tower is communicated with a cooling water pump, and a water outlet of the cooling water pump is communicated with a cooling water inlet pipe; and the cooling water outlet pipe is communicated with the water inlet of the cooling tower.
By adopting the technical scheme, the cooling water forms a circulation loop among the heat exchanger, the leakage detection water tank, the cooling tower and the cooling water pump; if the process gas does not leak, the cooling water in the leakage detecting pipe and the leakage detecting water tank can be continuously cooled through the water circulation loop, and the reuse rate of the cooling water resource is improved.
Optionally, the side wall of the leakage detection water tank is provided with a transparent window for observing the condition of the leakage detection pipe in a sealing manner.
Through adopting above-mentioned technical scheme, operating personnel can see through transparent window and observe whether produce the bubble phenomenon in the water tank that leaks hunting more conveniently, make the observation of leaking hunting more convenient.
Optionally, be provided with the flow valve that is used for controlling the leak hunting pipe flow on the leak hunting pipe, be provided with the booster pump that is used for controlling the drain pipe flow and provides pressure on the drain pipe, the inlet flow of leak hunting pipe equals the play liquid flow of drain pipe.
Through adopting above-mentioned technical scheme for the inside water yield sufficient state that can keep the water yield that leaks hunting basin, operating personnel need not often inspect the water yield in the basin that leaks hunting, makes the operation of leaking hunting more convenient.
Optionally, the leakage detection water tank comprises a tank body and a cover body covering the tank body, the cover body is connected with the tank body through a flange in a sealing manner, and the leakage detection pipe is arranged on the cover body in a sealing and penetrating manner; and a hydraulic sensor is arranged at the bottom of the leakage detection water tank.
By adopting the technical scheme, when the bubble phenomenon in the leakage detection water tank is not obvious so that an operator does not find the leakage condition in time, the process gas enters the leakage detection water tank along with the cooling water, and the flow of the leakage detection pipe and the flow of the liquid outlet pipe are the same due to the arrangement of the flow valve and the booster pump, so that the liquid inlet flow of the cooling water in the leakage detection water tank is less than the discharge flow of the cooling water, the liquid level height in the leakage detection water tank is changed, the pressure of the cooling water at the bottom of the leakage detection water tank is changed, the pressure detected by the hydraulic sensor is changed, and the pressure change is intuitively reflected on the numerical value change of the hydraulic sensor; along with the time, the cooling water volume in the leak hunting basin constantly reduces, and the gas volume constantly increases simultaneously, and the pressure change that hydraulic sensor detected is more obvious, and hydraulic sensor's numerical value and initial numerical value compare the change also more obvious to play the effect of leaking the warning.
Optionally, a sealing ring is arranged at the abutting position of the groove body and the cover body.
Through adopting above-mentioned technical scheme, improve the leakproofness of cell body and lid junction.
Optionally, one end of the liquid outlet pipe, which is far away from the leakage detection water tank, is provided with a check valve.
By adopting the technical scheme, the cooling water is blocked from flowing back to the liquid outlet pipe from the cooling water outlet pipe, so that the cooling water circulation loop runs smoothly.
In summary, the present application includes at least one of the following beneficial technical effects:
when the tube array of the heat exchanger leaks, the process gas is mixed into the cooling water and floats to the surface from the water bottom in the leakage detection water tank in a bubble mode, namely, the bubbling phenomenon is generated, and an operator can judge whether the leakage occurs in time by observing whether the bubbling phenomenon is generated; the leakage detection method can monitor the leakage detection of the heat exchanger in real time on the premise of normal work of the process flow, does not need to stop for leakage detection, and improves the production benefit;
when the bubble phenomenon in the leakage detection water tank is weak, so that an operator cannot observe the bubble phenomenon in time, the numerical value change of the hydraulic sensor is continuously increased, and the operator can judge whether the process gas is possibly leaked or not by comparing the difference value of the numerical value of the hydraulic sensor and the initial numerical value;
the cooling water forms a circulation loop, and if the process gas does not leak, the cooling water in the leakage detection pipe and the leakage detection water tank can be continuously cooled through the water circulation loop, so that the reuse rate of the cooling water resource is improved.
Drawings
Fig. 1 is a schematic view of the operation of a shell and tube heat exchanger of the related art.
Fig. 2 is a front view of a heat exchanger leak detection device according to an embodiment of the present application.
Fig. 3 is a sectional view of a leak detection water tank of a heat exchanger leak detection apparatus according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a leak detection pipe and a liquid outlet pipe of a heat exchanger leak detection device according to an embodiment of the present application.
Description of reference numerals: 1. a heat exchanger; 2. a cooling water inlet pipe; 3. a cooling water outlet pipe; 4. a leakage detecting pipe; 5. a leakage detection water tank; 6. a liquid outlet pipe; 7. a cooling tower; 8. a cooling water pump; 9. a trough body; 10. a cover body; 11. a transparent window; 12. a flow valve; 13. a sampling valve; 14. a liquid outlet valve; 15. a booster pump; 16. a check valve; 17. an exhaust pipe; 18. a seal ring; 19. and a hydraulic pressure sensor.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a heat exchanger leakage detection device, and the device is characterized by comprising a leakage detection pipe 4 and a leakage detection water tank 5, wherein clean cooling water is contained in the leakage detection water tank 5, one end of the leakage detection pipe 4 is communicated with a cooling water outlet pipe 3, and one end of the leakage detection pipe 4, which is far away from the cooling water outlet pipe 3, is communicated with the leakage detection water tank 5; the intercommunication has drain pipe 6 on the lateral wall of water leakage detecting tank 5, drain pipe 6 keeps away from water leakage detecting tank 5's one end and cooling water outlet pipe 3 intercommunication, cooling water outlet pipe 3's play water end intercommunication has cooling tower 7, cooling tower 7 is used for making the water cooling, cooling tower 7's export has cooling water pump 8 through the pipeline intercommunication, cooling water pump 8's export and cooling water import pipe 2 intercommunication to make the cooling water form circulation circuit, make the cooling water resource can reuse.
Referring to fig. 2 and 3, the leakage detection water tank 5 comprises a tank body 9 and a cover body 10, wherein the cover body 10 covers the tank body 9, the cover body 10 is connected with the tank body 9 through a flange, and meanwhile, a sealing ring 18 is fixedly arranged at the abutting part of the cover body 10 and the tank body 9; survey the leak hunting pipe 4 and keep away from the sealed lid 10 that passes of one end of cooling water outlet pipe 3, the one end that the leak hunting pipe 4 passed the lid 10 is located under the surface of water in the cell body 9, the sealed transparent window 11 that inlays on the cell body 9 lateral wall, the bottom of transparent window 11 is less than the minimum that the leak hunting pipe 4 is located one end under water, the top of transparent window 11 is higher than the horizontal plane in the cell body 9, operating personnel can utilize transparent window 11 to observe the state of whole leak hunting pipe 4 in aqueous, make and realize the real-time leakage monitoring to heat exchanger 1 under the prerequisite of not stopping whole process flow operation. When the tube side of the heat exchanger 1 leaks to cause the process gas to leak into the cooling water, the process gas flows into the leakage detection water tank 5 along with the cooling water, the process gas floats out of the water surface from the outlet end of the leakage detection tube 4 in a bubble form, and an operator can timely observe the gas leakage condition in the cooling water according to the bubble generation phenomenon and timely take measures for the gas leakage.
Referring to fig. 4, the leak detection pipe 4 is provided with a flow valve 12 for adjusting the flow rate of the leak detection pipe 4, so that the cooling water can flow into the leak detection water tank 5 at a stable speed; the leakage detecting pipe 4 is also provided with a sampling valve 13 which is convenient for sampling and detecting, so that operators can sample and detect water quality conveniently; the drain pipe 6 is fixedly and hermetically connected to the side wall of the groove body 9, a drain valve 14 used for controlling the opening and closing of the drain pipe 6 is arranged at one end, close to the leakage detection water tank 5, of the drain pipe 6, and the use state of the leakage detection water tank 5 in the cooling water circulation process can be adjusted through the cooperation of a flow valve 12 and the drain valve 14, so that the starting or the stopping of the leakage detection function is adjusted.
Referring to fig. 4, a booster pump 15 is arranged in the middle of the liquid outlet pipe 6, the booster pump 15 is used for adjusting the flow of the liquid outlet pipe 6, meanwhile, the booster pump 15 provides power, so that the water in the leakage detection water tank 5 flows through the liquid outlet pipe 6 and is converged into the cooling water outlet pipe 3 again, the flow rate of the inlet and outlet liquids of the leakage detection pipe 4 and the liquid outlet pipe 6 is controlled to be the same through the flow valve 12 and the booster pump 15, and when no leakage of the process gas occurs, the water surface in the leakage detection water tank 5 can keep a stable height; one end of the liquid outlet pipe 6, which is far away from the leakage detection water tank 5, is provided with a check valve 16, and the check valve 16 is used for blocking cooling water from flowing back to the liquid outlet pipe 6 from the cooling water outlet pipe 3, so that the cooling water circulation loop runs smoothly.
Referring to fig. 3 and 4, an exhaust pipe 17 communicated with the inside of the leak detection water tank 5 is hermetically provided on the cover body 10 of the leak detection water tank 5, and when gas leaks, an operator can exhaust process gas into a safety container through the exhaust pipe 17; the fixed hydraulic sensor 19 that is provided with of leak hunting basin 5 bottom inner wall, hydraulic sensor 19 is from taking the display screen, can show the water pressure reinforce of leak hunting basin 5 bottom, and when the bubble phenomenon in leak hunting basin 5 did not obviously cause operating personnel not in time discover the leakage condition, operating personnel can judge whether there is the possibility of leaking through the obvious numerical value change of hydraulic sensor 19.
The implementation principle of the heat exchanger leakage detection device in the embodiment of the application is as follows: when the heat exchanger 1 works normally, cooling water flows into the leakage detection water tank 5 through the cooling water outlet pipe 3 and the leakage detection pipe 4; when the heat exchanger 1 leaks, the process gas enters the cooling water, the process gas flows into the leakage detection water tank 5 along with the cooling water, and the process gas floats out of the water surface in a bubble mode from the outlet end of the leakage detection pipe 4, namely a bubble phenomenon is generated in the leakage detection water tank 5; when the heat exchanger 1 has no leakage, no bubble phenomenon is generated in the leakage detection water tank 5; an operator can observe whether the bubble phenomenon is generated or not through the transparent window 11 so as to judge whether the tube nest of the heat exchanger 1 leaks or not; when the bubble phenomenon in the leak detection water tank 5 is not obvious, the operator can judge whether the leakage is possible or not by the difference between the value of the hydraulic sensor 19 and the initial value.
The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a heat exchanger device that leaks hunting which characterized in that: the water leakage detection device comprises a leakage detection pipe (4) and a leakage detection water tank (5), wherein the leakage detection pipe (4) is communicated with a cooling water outlet pipe (3), one end, far away from the cooling water outlet pipe (3), of the leakage detection pipe (4) is introduced into the leakage detection water tank (5), clean water is contained in the leakage detection water tank (5), and the water outlet end of the leakage detection pipe (4) is located below the water surface of the leakage detection water tank (5).
2. The heat exchanger leak detection device according to claim 1, wherein: and the leakage detecting pipe (4) is communicated with a sampling valve (13).
3. The heat exchanger leak detection device according to claim 1, wherein: the leakage detection water tank (5) is communicated with a liquid outlet pipe (6), one end of the liquid outlet pipe (6) far away from the leakage detection water tank (5) is communicated with a cooling tower (7) for cooling water, a water outlet of the cooling tower (7) is communicated with a cooling water pump (8), and a water outlet of the cooling water pump (8) is communicated with a cooling water inlet pipe (2); and the cooling water outlet pipe (3) is communicated with a water inlet of the cooling tower (7).
4. A heat exchanger leak detection device according to claim 3, wherein: and the side wall of the leakage detection water tank (5) is hermetically provided with a transparent window (11) for observing the internal condition of the leakage detection water tank (5).
5. The heat exchanger leak detection device according to claim 4, wherein: it surveys flow valve (12) that is provided with on leak hunting pipe (4) and is used for controlling leak hunting pipe (4) flow, be provided with on drain pipe (6) and be used for controlling drain pipe (6) flow and provide booster pump (15) of pressure, the feed liquor flow of surveying leak hunting pipe (4) equals the play liquid flow of drain pipe (6).
6. The heat exchanger leak detection device according to claim 5, wherein: the leakage detection water tank (5) comprises a tank body (9) and a cover body (10) covering the tank body, the cover body (10) is connected with the tank body (9) in a sealing mode through a flange, and the leakage detection pipe (4) penetrates through the cover body (10) in a sealing mode; and a hydraulic sensor (19) is arranged at the bottom of the leakage detection water tank.
7. The heat exchanger leak detection device according to claim 6, wherein: and a sealing ring (18) is arranged at the abutting position of the groove body (9) and the cover body (10).
8. A heat exchanger leak detection device according to claim 3, wherein: and a check valve (16) is arranged at one end of the liquid outlet pipe (6) far away from the leakage detection water tank (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123215253.5U CN216594020U (en) | 2021-12-20 | 2021-12-20 | Heat exchanger device that leaks hunting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123215253.5U CN216594020U (en) | 2021-12-20 | 2021-12-20 | Heat exchanger device that leaks hunting |
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CN216594020U true CN216594020U (en) | 2022-05-24 |
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CN202123215253.5U Active CN216594020U (en) | 2021-12-20 | 2021-12-20 | Heat exchanger device that leaks hunting |
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2021
- 2021-12-20 CN CN202123215253.5U patent/CN216594020U/en active Active
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