CN116007856A - Detection method and detection device for mutual interference of storage tank safety accessories - Google Patents
Detection method and detection device for mutual interference of storage tank safety accessories Download PDFInfo
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- CN116007856A CN116007856A CN202211740683.5A CN202211740683A CN116007856A CN 116007856 A CN116007856 A CN 116007856A CN 202211740683 A CN202211740683 A CN 202211740683A CN 116007856 A CN116007856 A CN 116007856A
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Abstract
The invention provides a detection method for mutual interference of storage tank safety accessories, which relates to the technical field of valve test, wherein the storage tank safety accessories comprise a breather valve, a nitrogen calling integrated valve and a nitrogen sealing valve; s2, after the continuously stable pressure is transmitted to the first filter through the first manual valve, compressed gas enters the first pressure storage tank through the first regulating valve to be stored; s3, enabling the gas in the first pressure storage tank to enter the first flowmeter through the first electric valve and the second electric valve; and the like, the function and the corresponding detection method of the device fill the testing blank of the interference of the safety accessories of the storage tank, can accurately measure the contrast change of flow and pressure, and give a testing report.
Description
Technical Field
The invention relates to the technical field of valve testing, in particular to a detection method for mutual interference of safety accessories of a storage tank.
Background
At present, a plurality of breather valves for safety exist in petrochemical storage tank areas, such as a breather valve, a nitrogen seal valve and the like, and the valves can be mutually interfered and operated, so that safety problems and waste of tank area materials can be caused.
The breather valve is a valve which ensures that the tank space is isolated from the atmosphere in a certain pressure range and can communicate (breathe) with the atmosphere when the pressure range is exceeded or undershot. Its function is to prevent the tank from being damaged by overpressure or vacuum, and at the same time to reduce evaporation loss of the liquid. The nitrogen seal valve is mainly used at the top of the storage tank to maintain micro positive pressure of the storage tank, isolate contact between materials and the outside, reduce volatilization and waste of the materials and protect the safety of the storage tank.
At present, no test solution capable of aiming at the problem of mutual interference between tank farm breather valves exists in the market, so that the invention provides a detection method and a detection device for mutual interference of storage tank safety accessories, and whether interference exists between a breather valve and a nitrogen seal valve is judged by monitoring flow and pressure changes.
Disclosure of Invention
Aiming at the defects existing in the prior art, one of the purposes of the invention is to provide a detection method for mutual interference of safety accessories of a storage tank, which comprises the following specific scheme:
the detection method for mutual interference of the safety accessories of the storage tank is characterized by comprising the following steps of:
s1, starting an air compressor unit and outputting continuous and stable pressure to a pipeline;
s2, after the continuously stable pressure is transmitted to the first filter through the first manual valve, compressed gas enters the first pressure storage tank through the first regulating valve to be stored;
s3, enabling the gas in the first pressure storage tank to enter the first flowmeter through the first electric valve and the second electric valve;
s4, transmitting related data to a first PC end by the second regulating valve through a second regulating valve, enabling the first PC end to form a digital picture, enabling the gas at the second regulating valve to enter a third pressure storage tank through a tenth electric valve and an eleventh electric valve, enabling the gas to enter a respiratory valve/nitrogen-calling integrated valve detection platform through a sixth electric valve, and assembling a respiratory valve or a nitrogen-calling integrated valve on the respiratory valve/nitrogen-calling integrated valve detection platform;
s5, continuously stable pressure is transmitted to a second filter through a second manual valve, filtered and then enters a second pressure storage tank for storage;
s6, enabling the gas in the second pressure storage tank to reach a flow transmitter through a third regulating valve, enabling the gas to enter a nitrogen seal valve detection platform through a fifth electric valve to detect each item of nitrogen seal valve, and recording and storing corresponding data;
s7, connecting the nitrogen seal valve detection platform with the breather valve/nitrogen calling integrated valve detection platform through an interface, enabling the breather valve/nitrogen calling integrated valve detection platform to sequentially enter a third pressure storage tank through a sixth electric valve, enabling the third pressure storage tank to be emptied through a seventh electric valve and an eighth electric valve, enabling the third pressure storage tank to be respectively transmitted to a first pressure sensor, a second pressure sensor and a third pressure sensor through a ninth electric valve, enabling the three pressure sensors to transmit received pressure information to a first PC end to form an effective fluctuation picture, and recording and storing related data.
Further, the gas in the first pressure storage tank can also pass through the first electric valve and the third electric valve, enter the second flowmeter, and the gas from the second flowmeter passes through the second regulating valve.
Further, the gas in the first pressure storage tank can also pass through the first electric valve and the fourth electric valve, enter the third flowmeter, and the gas from the third flowmeter passes through the second regulating valve.
Furthermore, the detection method is used for testing the actuation of the breather valve and the nitrogen seal valve in the nitrogen calling integrated valve.
The invention further aims at providing a detection device for mutual interference of safety accessories of a storage tank, which comprises the following specific scheme:
the detection device comprises an air compressor unit, wherein the air compressor unit is sequentially connected with a first manual valve, a first filter, a first regulating valve, a first pressure storage tank, a first electric valve, a second electric valve, a first flowmeter, a second regulating valve and a first PC end;
the air compressor unit is also sequentially connected with a second manual valve, a second filter, a second pressure storage tank, a third regulating valve, a flow transmitter, a fifth electric valve, a nitrogen seal valve detection platform, a breather valve/nitrogen calling integrated valve detection platform, a sixth electric valve and a third pressure storage tank;
the third pressure storage tank is connected with a seventh electric valve and an eighth electric valve in sequence, the third pressure storage tank is connected with a ninth electric valve in parallel, the ninth electric valve is connected with a first pressure sensor, a second pressure sensor and a third pressure sensor, the first pressure sensor, the second pressure sensor and the third pressure sensor are connected with the first PC end, the third pressure storage tank is connected with an eleventh electric valve and a tenth electric valve in parallel, and the tenth electric valve is connected with the second regulating valve.
Further, a third electric valve and a second flowmeter are connected in parallel between the first pressure storage tank and the second regulating valve.
Further, a fourth electric valve and a third flowmeter are connected in parallel between the first pressure storage tank and the second regulating valve.
Further, the specifications of the first flowmeter, the second flowmeter and the third flowmeter are respectively 50SCCM, 1000SCCM and 20000SCCM.
Compared with the prior art, the invention has the following beneficial effects:
(1) The nitrogen seal valve to be detected can be pre-installed on the nitrogen seal valve detection platform, the respiratory valve or the nitrogen calling integrated valve to be detected can be pre-installed on the respiratory valve/nitrogen calling integrated valve detection platform, the air compressor unit compresses air through the steps S1 to S7, one path of compressed air is filtered, the air is compressed into the first pressure storage tank, the air is regulated to proper pressure through the first regulating valve and then is regulated to proper parameters through the two electric valves and the first flowmeter through the second regulating valve, the parameters are finally regulated to proper parameters through the second regulating valve and are displayed at the first PC end, the working state of the air compressor unit can be conveniently checked in real time by workers, meanwhile, the compressed air is buffered at the third pressure storage tank through the tenth electric valve and the eleventh electric valve and reaches the respiratory valve/nitrogen calling integrated valve detection platform through the sixth electric valve, and is discharged through the respiratory valve in the respiratory valve or the nitrogen calling integrated valve;
the other path of compressed air is filtered, compressed into a second pressure storage tank, regulated to a proper pressure through a third regulating valve, then enters a nitrogen sealing valve detection platform through a fifth electric valve and a flow transmitter, and finally is discharged through a nitrogen sealing valve. Because the interface connects the breather valve and the nitrogen seal valve, whether the breather valve and the nitrogen seal valve interfere with each other is checked through monitoring of the flowmeter and the pressure sensor, and when the breather valve and the nitrogen seal valve interfere with each other, the pressure sensor or the flowmeter can change in data, so that the existence of interference is proved;
the device and the method of the invention solve the problem that no interference exists between safety accessories of the storage tank at present, fill up the blank of safety inspection in the aspect, accurately measure the change of flow and pressure and give a test report.
Drawings
Fig. 1 is a schematic diagram of the working principle of an embodiment of the present invention.
Reference numerals: 1. an air compressor unit; 2. a first manual valve; 3. a first filter; 4. a first regulating valve; 5. a first pressure tank; 6. a first electrically operated valve; 7. a second electrically operated valve; 8. a first flowmeter; 9. a second regulating valve; 10. a first PC end; 11. a second manual valve; 12. a second filter; 13. a second pressure tank; 14. a third regulating valve; 15. a flow transmitter; 16. a fifth electrically operated valve; 17. a nitrogen seal valve detection platform; 18. a breather valve/nitrogen calling integrated valve detection platform; 19. a sixth electrically operated valve; 20. a third pressure tank; 21. a seventh electric valve; 22. an eighth electrically operated valve; 23. a ninth electric valve; 24. a first pressure sensor; 25. a second pressure sensor; 26. a third pressure sensor; 27. a third electrically operated valve; 28. a second flowmeter; 29. a fourth electrically operated valve; 30. a third flowmeter; 31. a tenth electrically operated valve; 32. eleventh electrically operated valve.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
In the prior art, a test system is used for testing and calibrating a breather valve (an integral type integral valve with nitrogen inlet and pressure regulation), an emergency relief valve and a nitrogen seal valve. The system has the following test functions:
1. opening pressure test, ventilation test, overpressure test, leakage test, interference test among valves and back pressure test.
All the tests are automatically controlled by a control test system, and the test data can be graphically displayed and analyzed in real time, and test conclusion and test report forms are given. The test system integrates an air pressure power system, a pressure regulation test system, a leakage comprehensive performance test system, an electric system, a test record output system and an auxiliary system in an electric combination mode, and the air pressure power system, the pressure regulation test system, the leakage comprehensive performance test system, the electric system, the test record output system and the auxiliary system form a test system platform together.
The invention provides a detection device and a detection method for mutual interference of storage tank safety accessories, which correspond to the interference test, and the storage tank safety accessories in the invention are a breathing valve, a breathing valve and a nitrogen sealing valve which are used for testing the actuation of the breathing valve and the nitrogen sealing valve in the breathing valve as the emergency relief valve and other valves are not related in the use process aiming at the interference.
The AIR pressure power system comprises an AIR pressure unit 1 (AIR/N2), a Manual Valve (MV), a Filter (FL), a regulating valve (PCV), a pressure storage tank (VT), an electric ball valve (AV), a flowmeter (F) and a flow transmitter 15 (FT), and the AIR pressure power system is characterized in that English abbreviations corresponding to all structures in the drawing are shown in brackets. The air compressor unit 1 is a full-automatic unit mainly composed of a centrifugal air compressor, a freeze dryer and an air storage tank, and the air compressor unit 1 is used for providing compressed air, can continuously and stably output air with the pressure level of 15KPa, and can provide a positive pressure system for DN50-DN100 full-series respiratory valves; the manual valve has the function of realizing the opening and closing degree of a valve pipeline through manual adjustment; the filter has the function of enabling the compressed gas passing through the pipeline to be cleaner, and avoiding affecting the detection precision of precision equipment; the regulating valve is used for detecting the pressure in the pressure storage tank so as to realize real-time control of the opening of the valve, or is used for sending pressure signals, flow and the like to the PC digital display to carry out real-time digital monitoring and control; the pressure storage tank is used for storing and maintaining pressure of compressed air transmitted by the air compressor unit 1, ensuring continuous and stable output positive pressure of the whole pipeline, or storing gas from the detection platform and continuously and stably outputting pressure to the pipeline at the rear section; the electric ball valve has the function of realizing the opening and closing of a valve pipeline through an electric switch; the flowmeter is used for measuring the flow rate passing through; the flow transmitter 15 is used to record and transmit flow specific parameters.
Nitrogen sealing valve testing platform (TO GU product testing platform)
The product testing platform has high accuracy and stability, and can perform independent single-station measurement and simultaneous online measurement of any two combinations for the integral type nitrogen calling integrated valve with nitrogen adding and pressure regulating functions within the caliber of DN50-DN100, and the nitrogen sealing valve can be assembled on the platform in a clamp fixing mode, so that the interference performance of the nitrogen sealing valve can be verified. Therefore, in the interference test of the invention, one product test platform can be arranged corresponding to one nitrogen seal valve, or one product test platform can be respectively arranged for two nitrogen seal valves.
2. Respiration valve/respiration nitrogen integrated valve detection platform (TO BV/KB product test platform)
The product testing platform has high accuracy and stability, and can perform independent single-station measurement and simultaneous online measurement of any two combinations on the respiratory valve (including the integral respiratory valve with nitrogen addition and pressure regulation in DN50-DN100 caliber) within DN50-DN350 caliber, and the respiratory valve can be assembled on the platform in a clamp fixing mode, so that the interference can be verified. Therefore, in the interference test of the invention, a product test platform can be arranged corresponding to one breather valve/nitrogen-breathing integrated valve, or two breather valves/nitrogen-breathing integrated valves are respectively provided with one product test platform.
Correspondingly, the detection device comprises each structure in the air compression power system, and the number of the structures is more than one, so in the attached figure 1, for distinguishing, the corresponding English abbreviations in the attached figure are added with Arabic numerals. Specifically, the detection device comprises an air compressor unit 1, wherein the air compressor unit 1 is sequentially connected with a first manual valve 2, a first filter 3, a first regulating valve 4, a first pressure storage tank 5, a first electric valve 6, a second electric valve 7, a first flowmeter 8, a second regulating valve 9 and a first PC end 10, and the first PC end 10 is a PC digital display.
The air compressor unit 1 is further sequentially connected with a second manual valve 11, a second filter 12, a second pressure storage tank 13, a third regulating valve 14, a flow transmitter 15, a fifth electric valve 16, a nitrogen seal valve detection platform 17 (GU), a respiratory valve/nitrogen calling integrated valve detection platform 18, a sixth electric valve 19 and a third pressure storage tank 20, the third pressure storage tank 20 is sequentially connected with a seventh electric valve 21 and an eighth electric valve 22, the third pressure storage tank 20 is further connected with a ninth electric valve 23 in parallel, the ninth electric valve 23 is connected with a first pressure sensor 24, a second pressure sensor 25 and a third pressure sensor 26, the first pressure sensor 24, the second pressure sensor 25 and the third pressure sensor 26 are connected with a first PC end 10, the third pressure storage tank 20 is further connected with an eleventh electric valve 32 and a tenth electric valve 31 in parallel, and the tenth electric valve 31 is connected with the second regulating valve 9.
The first regulating valve 4 is used for detecting the pressure in the first pressure storage tank 5 so as to realize real-time control of the valve opening, and the second regulating valve 9 is used for sending pressure signals, flow and the like to the first PC end 10 so as to perform real-time digital monitoring and control. The first pressure storage tank 5 and the second pressure storage tank 13 are used for storing and maintaining pressure of compressed air transmitted by the air compressor unit 1, ensuring continuous and stable output positive pressure of the whole pipeline, and the third pressure storage tank 20 is used for storing gas transmitted by the detection platform and continuously and stably outputting pressure to the pipeline at the rear section.
In order to meet different flow demands, a third electric valve 27 and a second flowmeter 28 are also connected in parallel between the first pressure storage tank 5 and the second regulating valve 9. A fourth electric valve 29 and a third flowmeter 30 are also connected in parallel between the first pressure storage tank 5 and the second regulating valve 9. The specifications of the first flowmeter 8, the second flowmeter 28, and the third flowmeter 30 are 50SCCM, 1000SCCM, and 20000SCCM, respectively, and can be selected.
Therefore, in the detection device, the flowmeter can be tested in 3 paths
One path is as follows: 50SCCM (F11)
Two paths: 1000SCCM (F12)
Three paths: 20000SCCM (F13)
In the present detection device, the ninth electrically operated valve 23 can be divided into three paths for detecting the pressure, one path being: (PI 1) the first pressure sensor 24 transmits the pressure signal to the first PC terminal 10 for real-time control; one path is as follows: (PI 2) the second pressure sensor 25 transmits the pressure signal to the first PC terminal 10 for real-time control; one path is as follows: (PI 3) the third pressure sensor 26 transmits the pressure signal to the first PC terminal 10 for real-time control.
Correspondingly, the invention also provides a detection method for mutual interference of the safety accessories of the storage tank, wherein the detection method is used for measuring the safety accessories of the two storage tanks so as to verify the interference, and comprises the following steps:
s1, starting an air compressor unit 1 and outputting continuous and stable pressure to a pipeline;
step S2, after the continuously stable pressure is transmitted to the first filter 3 through the first manual valve 2, compressed gas enters the first pressure storage tank 5 through the first regulating valve 4 for storage;
s3, enabling the gas in the first pressure storage tank 5 to pass through the first electric valve 6 and the second electric valve 7 and enter the first flowmeter 8;
s4, the gas from the first flowmeter 8 passes through a second regulating valve 9, the second regulating valve 9 transmits related data to a first PC end 10, the first PC end 10 forms a digital picture, the gas at the second regulating valve 9 enters a third pressure storage tank 20 through a tenth electric valve 31 and an eleventh electric valve 32, and then enters a respiratory valve/nitrogen-calling integrated valve detection platform 18 through a sixth electric valve 19, and the respiratory valve/nitrogen-calling integrated valve detection platform 18 is provided with a respiratory valve or a nitrogen-calling integrated valve;
s5, continuously stable pressure is transmitted to a second filter 12 through a second manual valve 11, filtered and then enters a second pressure storage tank 13 for storage;
s6, enabling the gas in the second pressure storage tank 13 to reach the flow transmitter 15 through the third regulating valve 14, enabling the gas to enter the nitrogen seal valve detection platform 17 through the fifth electric valve 16 to detect each item of nitrogen seal valve, and recording and storing corresponding data;
step S7, the nitrogen seal valve detection platform 17 is connected with the breather valve/nitrogen calling integrated valve detection platform 18 through an interface, then the breather valve/nitrogen calling integrated valve detection platform 18 sequentially passes through a sixth electric valve 19 to enter a third pressure storage tank 20, the third pressure storage tank 20 is emptied through a seventh electric valve 21 and an eighth electric valve 22, meanwhile, the third pressure storage tank 20 is respectively transmitted to a first pressure sensor 24, a second pressure sensor 25 and a third pressure sensor 26 through a ninth electric valve 23, and the three pressure sensors send the received pressure information to the first PC end 10 to form an effective fluctuation picture, and record and store the relevant data.
Since the flow meter of the corresponding specification can be selected by the user, the gas in the first pressure storage tank 5 can also pass through the first electric valve 6 and the third electric valve 27, enter the second flow meter 28, and the gas from the second flow meter 28 passes through the second regulating valve 9. The gas in the first pressure tank 5 may also pass through the first and fourth electrically operated valves 6 and 29, enter the third flow meter 30, and the gas from the third flow meter 30 passes through the second regulating valve 9.
Thus, the actuation test of the nitrogen calling integrated valve is completed.
The precision of the pressure sensor used in the invention is +/-0.5%. Fully meets the requirements of + -5% (API) of the set pressure allowable error range.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. The detection method for mutual interference of the safety accessories of the storage tank is characterized by comprising the following steps of:
s1, starting an air compressor unit (1) and outputting continuous and stable pressure to a pipeline;
s2, continuously stable pressure is transmitted to the first filter (3) through the first manual valve (2), and compressed gas enters the first pressure storage tank (5) through the first regulating valve (4) for storage;
s3, enabling the gas in the first pressure storage tank (5) to pass through the first electric valve (6) and the second electric valve (7) and enter the first flowmeter (8);
s4, enabling gas from the first flowmeter (8) to pass through a second regulating valve (9), enabling the second regulating valve (9) to transmit related data to a first PC end (10), enabling the first PC end (10) to form a digital picture, enabling the gas at the second regulating valve (9) to enter a third pressure storage tank (20) through a tenth electric valve (31) and an eleventh electric valve (32), enabling the gas to enter a respiratory valve/nitrogen-calling integrated valve detection platform (18) through a sixth electric valve (19), and enabling the respiratory valve/nitrogen-calling integrated valve detection platform (18) to be provided with a respiratory valve or a nitrogen-calling integrated valve;
s5, continuously stable pressure is transmitted to a second filter (12) through a second manual valve (11), and filtered and then enters a second pressure storage tank (13) for storage;
s6, enabling the gas in the second pressure storage tank (13) to reach the flow transmitter (15) through the second regulating valve (9), enabling the gas to enter the nitrogen seal valve detection platform (17) through the fifth electric valve (16) to detect each item of nitrogen seal valve, and recording and storing corresponding data;
s7, a nitrogen seal valve detection platform (17) is connected with a breather valve/nitrogen calling integrated valve detection platform (18) through an interface, then the breather valve/nitrogen calling integrated valve detection platform (18) sequentially enters a third pressure storage tank (20) through a sixth electric valve (19), the third pressure storage tank (20) is emptied through a seventh electric valve (21) and an eighth electric valve (22), meanwhile, the third pressure storage tank (20) is respectively transmitted to a first pressure sensor (24), a second pressure sensor (25) and a third pressure sensor (26) through a ninth electric valve (23), and the three pressure sensors are used for transmitting received pressure information to a first PC end (10) to form an effective fluctuation picture, and recording and storing the related data.
2. The method for detecting mutual interference of tank safety accessories according to claim 1, wherein the gas in the first pressure tank (5) can also pass through the first electric valve (6) and the third electric valve (27) to enter the second flowmeter (28), and the gas from the second flowmeter (28) passes through the second regulating valve (9).
3. The method for detecting mutual interference of tank safety accessories according to claim 2, wherein the gas in the first pressure tank (5) can also pass through the first electric valve (6) and the fourth electric valve (29) to enter the third flowmeter (30), and the gas from the third flowmeter (30) passes through the second regulating valve (9).
4. The method for detecting mutual interference of safety accessories of a storage tank according to claim 3, wherein the detection method is used for testing actuation of a breather valve and a nitrogen seal valve in a nitrogen calling integrated valve.
5. A detection device used in the detection method of mutual interference of the storage tank safety accessories according to any one of claims 1-4, characterized in that the detection device comprises an air compressor unit (1), wherein the air compressor unit (1) is sequentially connected with a first manual valve (2), a first filter (3), a first regulating valve (4), a first pressure storage tank (5), a first electric valve (6), a second electric valve (7), a first flowmeter (8), a second regulating valve (9) and a first PC end (10);
the air compressor unit (1) is also sequentially connected with a second manual valve (11), a second filter (12), a second pressure storage tank (13), a second regulating valve (9), a flow transmitter (15), a fifth electric valve (16), a nitrogen seal valve detection platform (17), a breather valve/nitrogen calling integrated valve detection platform (18), a sixth electric valve (19) and a third pressure storage tank (20);
the third pressure storage tank (20) is connected with a seventh electric valve (21) and an eighth electric valve (22) in sequence, the third pressure storage tank (20) is connected with a ninth electric valve (23) in parallel, the ninth electric valve (23) is connected with a first pressure sensor (24), a second pressure sensor (25) and a third pressure sensor (26), the first pressure sensor (24), the second pressure sensor (25) and the third pressure sensor (26) are connected with the first PC end (10), the third pressure storage tank (20) is connected with an eleventh electric valve (32) and a tenth electric valve (31) in parallel, and the tenth electric valve (31) is connected with the second regulating valve (9).
6. The device for detecting mutual interference of tank safety accessories according to claim 5, characterized in that a third electric valve (27) and a second flowmeter (28) are also connected in parallel between the first pressure tank (5) and the second regulating valve (9).
7. The device for detecting mutual interference of tank safety accessories according to claim 6, characterized in that a fourth electric valve (29) and a third flowmeter (30) are also connected in parallel between the first pressure tank (5) and the second regulating valve (9).
8. The device for detecting mutual interference of tank safety accessories according to claim 7, wherein the specifications of the first flowmeter (8), the second flowmeter (28) and the third flowmeter (30) are respectively 50SCCM, 1000SCCM and 20000SCCM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211740683.5A CN116007856A (en) | 2022-12-30 | 2022-12-30 | Detection method and detection device for mutual interference of storage tank safety accessories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211740683.5A CN116007856A (en) | 2022-12-30 | 2022-12-30 | Detection method and detection device for mutual interference of storage tank safety accessories |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116007856A true CN116007856A (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211740683.5A Pending CN116007856A (en) | 2022-12-30 | 2022-12-30 | Detection method and detection device for mutual interference of storage tank safety accessories |
Country Status (1)
| Country | Link |
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| CN (1) | CN116007856A (en) |
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2022
- 2022-12-30 CN CN202211740683.5A patent/CN116007856A/en active Pending
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