A system and method for detecting the opening pressure and leakage of an integrated nitrogen respiration valve.

Abstract

This invention discloses a system and method for detecting the opening pressure and leakage of an integrated nitrogen-breathing valve. The system includes an air compressor, a main unit, a first platform, and a second platform. The air compressor is connected to a first manual valve and a second manual valve. The first manual valve is connected to a first regulating valve and a first storage tank in sequence through a first filter. The first storage tank is connected to a second, third, and fourth electric valve through a first electric valve. The second, third, and fourth electric valves are respectively connected to a first flow meter, a second flow meter, and a third flow meter. This system can test the pressure and leakage of the integrated nitrogen-breathing valve, acquire and store data, and perform functions such as testing air pressure stability and accuracy. It integrates an air compressor power system, a pressure regulation testing system, a comprehensive performance testing system, an electrical system, a test record output system, and auxiliary systems into one system, realizing the testing of the integrated nitrogen-breathing valve.

Description

Technical Field

[0001] This invention relates to a detection system for an integrated nitric acid control valve, and more particularly to a system and method for detecting the opening pressure and leakage of an integrated nitric acid control valve, belonging to the field of integrated nitric acid control valve detection technology. Background Technology

[0002] Liquid raw materials, intermediates, and finished products in industries such as petroleum, chemical, and pharmaceutical are often highly volatile, toxic, flammable, and explosive. Atmospheric pressure storage tanks used for storing these liquids are usually equipped with nitrogen blanketing systems. Nitrogen blanketing systems are generally installed on the top of the storage tank and mainly include nitrogen blanketing valves, nitrogen release valves, breather valves, emergency release valves, and flame arresters. Currently, the use of integrated nitrogen release valves is also quite common.

[0003] However, the integrated nitrogen exhalation valve is quite complex, and there is a lack of effective means for testing it. It is impossible to achieve functions such as testing the integrated nitrogen exhalation valve, data transfer, and testing the stability and accuracy of air pressure. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a system and method for detecting the opening pressure and leakage of an integrated breathing nitrogen valve, thereby solving the problem of the inability to effectively detect the integrated breathing nitrogen valve.

[0005] The technical problem to be solved by this invention is achieved by the following technical solution:

[0006] This invention provides a system for detecting the opening pressure and leakage of an integrated nitrogen exhalation valve, comprising an air compressor, a main unit, a first platform, and a second platform, wherein...

[0007] The air compressor is connected to a first manual valve and a second manual valve.

[0008] The first manual valve is connected in sequence to the first regulating valve and the first storage tank via the first filter, wherein,

[0009] The first storage tank is connected to the second, third and fourth electric valves via the first electric valve;

[0010] The second electric valve, the third electric valve, and the fourth electric valve are respectively connected to the corresponding first flow meter, second flow meter, and third flow meter, wherein,

[0011] The first flow meter, the second flow meter, and the third flow meter are all connected to a needle valve;

[0012] The needle valve is connected to the main unit.

[0013] Preferably,

[0014] The host computer includes one of the following: PC, industrial computer, or microcontroller.

[0015] In a preferred embodiment of the present invention, the second manual valve is sequentially connected to the second storage tank and the second regulating valve via a second filter, wherein...

[0016] The second regulating valve is connected to the first platform via an FT flow transmitter and a sixth electric valve.

[0017] As a preferred embodiment of the present invention, the first platform is connected to the second platform to enable the flow of data, etc.

[0018] In a preferred embodiment of the present invention, the second platform is connected to the third storage tank via an eighth electric valve, wherein...

[0019] The third storage tank is connected in sequence to a first vent valve and a second vent valve.

[0020] In a preferred embodiment of the present invention, the second platform is further connected to a ninth electric valve, wherein...

[0021] The ninth electric valve is connected to the first pressure sensor, the second pressure sensor, and the third pressure sensor;

[0022] The first pressure sensor, the second pressure sensor, and the third pressure sensor are connected to the host unit.

[0023] Preferably,

[0024] The volumetric flow rate of the first flow meter is 50 SCCM;

[0025] The volumetric flow rate of the second flow meter is 1000 SCCM;

[0026] The third flow meter has a volumetric flow rate of 200,000 SCCM, which meets the detection needs under different conditions.

[0027] The present invention also provides a method for detecting the opening pressure and leakage of an integrated respiratory nitrification valve, comprising the following steps:

[0028] Step S1: Start the air compressor to provide continuous and stable pressure to the pipeline;

[0029] Step S2: The pressure from step S is filtered by the first filter and / or the second filter and stored in the first storage tank or the second storage tank.

[0030] Step S3: Perform flow and / or pressure detection.

[0031] Preferably, flow detection includes the following steps:

[0032] Step S31: Connect the gas in the first storage tank to the second, third and fourth electric valves via the first electric valve;

[0033] Step S32: Select one of the first flow meter, the second flow meter, and the third flow meter corresponding to the second electric valve, the third electric valve, and the fourth electric valve, as needed;

[0034] Step S33: The gas after passing through the flow meter is passed through the needle regulating valve;

[0035] In step S34, the needle valve is connected to the main unit, and the main unit obtains the detection data, records and stores it.

[0036] Preferably, the pressure test includes the following steps:

[0037] Step S301: The gas in the second storage tank is sent to the FT flow transmitter via the second regulating valve;

[0038] In step S302, the FT flow transmitter delivers gas to the first platform via the sixth electric valve;

[0039] Step S303: The first platform performs various tests, acquires data, and stores it;

[0040] Step S304: The first platform connects to the second platform, and the second platform obtains the data;

[0041] In step S305, the second platform is connected to the third storage tank via the eighth electric valve, wherein...

[0042] The third storage tank is connected to the first, second, and third pressure sensors via the ninth electric valve. The first, second, and third pressure sensors transmit pressure information to the host terminal, which obtains the pressure information data and records and stores the data.

[0043] The beneficial effects of this invention are: the system of this invention can test the pressure and leakage of the integrated breathing nitrogen valve, and realize the acquisition and storage of data, and realize the detection functions such as testing the stability and accuracy of air pressure; it integrates an air compressor power system, a pressure regulation test system, a comprehensive performance test system, an electrical system, a test record output system and an auxiliary system into one, realizing the testing of the integrated breathing nitrogen valve. Attached Figure Description

[0044] Figure 1 This is a schematic diagram of the detection system of the present invention;

[0045] In the diagram: 1. Air compressor; 11. First manual valve; 12. Second manual valve; 2. First filter; 02. Second filter; 3. First regulating valve; 03. Second regulating valve; 4. First storage tank; 04. Second storage tank; 040. Third storage tank; 51. First electric valve; 52. Second electric valve; 53. Third electric valve; 54. Fourth electric valve; 56. Sixth electric valve; 58. Eighth electric valve; 516. Ninth electric valve; 61. First flow meter; 62. Second flow meter; 63. Third flow meter; 7. Needle valve; 8. Main unit end; 9. FT flow transmitter; 1001. First vent valve; 1002. Second vent valve; 001. First platform; 002. Second platform; 100. First pressure sensor; 200. Second pressure sensor; 300. Third pressure sensor. Detailed Implementation

[0046] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0047] Example 1

[0048] like Figure 1 As shown, this embodiment provides a system for detecting the opening pressure and leakage of an integrated respiratory nitrogen valve, including an air compressor 1, a main unit 8, a first platform 001, and a second platform 002, wherein...

[0049] The air compressor 1 is connected to a first manual valve 11 and a second manual valve 12;

[0050] The first manual valve 11 is connected in sequence to the first regulating valve 3 and the first storage tank 4 via the first filter 2, wherein...

[0051] The first storage tank 4 is connected to the second electric valve 52, the third electric valve 53 and the fourth electric valve 54 via the first electric valve 51.

[0052] The second electric valve 52, the third electric valve 53, and the fourth electric valve 54 are respectively connected to the corresponding first flow meter 61, second flow meter 62, and third flow meter 63, wherein...

[0053] The first flow meter 61, the second flow meter 62 and the third flow meter 63 are all connected to the needle valve 7;

[0054] The needle valve 7 is connected to the main unit 8, which outputs data to a monitor or remote monitor for easy and intuitive observation.

[0055] In this embodiment, the host terminal 8 includes one of a PC, an industrial control computer, a microcontroller, etc., and is used to realize data collection, storage, transmission, display, etc.

[0056] The second manual valve 12 is connected in sequence to the second storage tank 04 and the second regulating valve 03 via the second filter 02.

[0057] The second regulating valve 03 is connected to the first platform 001 via the FT flow transmitter 9 and the sixth electric valve 56.

[0058] The first platform 001 is connected to the second platform 002 to facilitate the flow of data, etc.

[0059] The second platform 002 is connected to the third storage tank 040 via the eighth electric valve 58. The third storage tank 040 is sequentially connected to the first vent valve 1001 and the second vent valve 1002. The gas entering the second platform 002 via the needle regulating valve 7 can continue to be discharged via the eighth electric valve 58, the third storage tank 040, the first vent valve 1001, and the second vent valve 1002, thereby achieving the adjustment of the detection system.

[0060] The second platform 002 is also connected to a ninth electric valve 516, which is connected to a first pressure sensor 100, a second pressure sensor 200 and a third pressure sensor 300. Furthermore, the first pressure sensor 100, the second pressure sensor 200 and the third pressure sensor 300 are connected to the host terminal 8 for the host terminal 8 to acquire pressure data and realize pressure detection of the nitrogen exhalation integrated valve.

[0061] In this embodiment, the volumetric flow rate of the first flow meter 61 is 50 SCCM, the volumetric flow rate of the second flow meter 62 is 1000 SCCM, and the volumetric flow rate of the third flow meter 63 is 200000 SCCM, to meet the detection requirements under different conditions.

[0062] Example 2

[0063] This embodiment provides a method for detecting the opening pressure and leakage of an integrated respiratory nitrogen valve, used in the system of Embodiment 1, specifically including the following steps:

[0064] Step S1: Start air compressor 1 to provide continuous and stable pressure to the pipeline;

[0065] In step S2, the pressure from step S1 is filtered by the first filter 2 and / or the second filter 02 and stored in the first storage tank 4 or the second storage tank 04.

[0066] Step S3: Perform flow and / or pressure detection.

[0067] Furthermore, in this embodiment, the traffic detection includes the following steps:

[0068] Step S31: Connect the gas in the first storage tank 4 to the second electric valve 52, the third electric valve 53 and the fourth electric valve 54 via the first electric valve 51.

[0069] Step S32: Select one of the first flow meter 61, the second flow meter 62, and the third flow meter 63 corresponding to the second electric valve 52, the third electric valve 53, and the fourth electric valve 54, as needed;

[0070] Step S33: The gas after passing through the flow meter is passed through the needle regulating valve 7;

[0071] In step S34, the needle valve 7 is connected to the main unit 8. The main unit 8 obtains the detection data, records and stores it. Specifically, the main unit 8 outputs the data to a display device such as a monitor or a remote monitor to display the data for easy and intuitive observation.

[0072] Further, pressure testing includes the following steps:

[0073] Step S301: The gas in the second storage tank 04 is sent to the FT flow transmitter 9 via the second regulating valve 03;

[0074] In step S302, the FT flow transmitter 9 sends gas to the first platform 001 through the sixth electric valve 56;

[0075] Step S303: The first platform 001 performs various tests, acquires data, and stores it;

[0076] In step S304, the first platform 001 connects to the second platform 002, and the second platform 002 obtains the data;

[0077] In step S305, the second platform 002 is connected to the third storage tank 040 via the eighth electric valve 58, wherein...

[0078] The third storage tank 040 is connected to the first pressure sensor 100, the second pressure sensor 200 and the third pressure sensor 300 through the ninth electric valve 516. The first pressure sensor 100, the second pressure sensor 200 and the third pressure sensor 300 transmit pressure information to the host terminal 8. The host terminal 8 obtains the pressure information data, records and stores the data, and the host terminal 8 forms an effective fluctuation screen and displays it. The actuation test of the nitrogen respiration integrated valve is completed.

[0079] In Examples 1 and 2, the first platform 001 is preferably a To GU nitrogen sealing valve dedicated testing platform, and the second platform 002 is preferably a To BV / KB testing platform.

[0080] Specifically,

[0081] Nitrogen blanketing valve testing platform (TO GU product testing platform)

[0082] This product's testing platform boasts high precision and stability. It can perform independent single-unit testing and simultaneous online testing of any two integrated nitrogen-injection and pressure-regulating respiration valves with diameters ranging from DN50 to DN100. The nitrogen-sealing valve can be mounted on the platform using clamps, allowing for verification of its interference properties. Therefore, in conducting interference tests for this invention, one product testing platform can be set up for each nitrogen-sealing valve, or separate product testing platforms can be set up for the nitrogen-sealing valve and the respiration valve.

[0083] To BV / KB detection platform,

[0084] This product's testing platform boasts high precision and stability. It can perform independent single-unit testing and simultaneous online testing of any two breathing valves (DN50-DN350 diameter, including integrated breathing valves with nitrogen injection and pressure regulation within DN50-DN100 diameter) in both diameters. The integrated breathing and nitrogen control valve can be mounted on the platform using clamps, allowing for verification of its interference properties. Therefore, in conducting interference tests for this invention, one product testing platform can be set up for each breathing valve / integrated breathing and nitrogen control valve, or two separate product testing platforms can be set up for each breathing valve / integrated breathing and nitrogen control valve.

[0085] The system of this invention can test the pressure and leakage of an integrated nitrogen exhalation valve, and acquire and store data, as well as perform functions such as testing the stability and accuracy of the test air pressure. It integrates an air compressor power system, a pressure regulation testing system, a comprehensive performance testing system, an electrical system, a test record output system, and auxiliary systems into one unit, enabling testing of the integrated nitrogen exhalation valve. The compressed air output from the testing device and compressor is rectified through a pressure storage tank, which greatly overcomes pressure fluctuations and ensures the stability of the test air pressure. The high degree of integration of the electrical system, air compressor system, metering system, test record output system, and pipeline system ensures high accuracy and stability. By controlling the flow path of the test air through the pipeline, different testing requirements can be met, allowing for flexible switching between pipelines and equipment components. It can fulfill testing needs under various conditions, is easy to operate, and has powerful functions.

[0086] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of the invention, all of which fall within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A system for detecting integrated valve opening pressure and leak rate of a nitrous oxide cylinder, characterized by, Including air compressor (1), host end (8), first platform (001) and second platform (002), wherein, The air compressor (1) is connected with a first manual valve (11) and a second manual valve (12); The first manual valve (11) is connected with a first adjusting valve (3) and a first storage tank (4) in sequence through a first filter (2), wherein, The first storage tank (4) is communicated to a second electric valve (52), a third electric valve (53) and a fourth electric valve (54) through a first electric valve (51); The second electric valve (52), the third electric valve (53) and the fourth electric valve (54) are respectively connected with corresponding first flow meter (61), second flow meter (62) and third flow meter (63), wherein, The first flow meter (61), the second flow meter (62) and the third flow meter (63) are connected to the needle type adjusting valve (7); The needle type adjusting valve (7) is connected to the host end (8); The second manual valve (12) is connected with a second storage tank (04) and a second adjusting valve (03) in sequence through a second filter (02), wherein, The second adjusting valve (03) is connected to the first platform (001) through an FT flow transmitter (9) and a sixth electric valve (56); The first platform (001) is connected to the second platform (002), and the second platform (002) is connected to a third storage tank (040) through an eighth electric valve (58), wherein, The third storage tank (040) is connected with a first emptying valve (1001) and a second emptying valve (1002) in sequence.

2. The system for detecting integrated valve opening pressure and leakage amount of nitrogen inhalation according to claim 1, characterized in that, The second platform (002) is also connected with a ninth electric valve (516), wherein, The ninth electric valve (516) is connected to a first pressure sensor (100), a second pressure sensor (200) and a third pressure sensor (300); The first pressure sensor (100), the second pressure sensor (200) and the third pressure sensor (300) are connected to the host end (8).

3. The system for detecting integrated valve opening pressure and leakage of nitrogen inhalation according to claim 1, characterized in that, The host end (8) includes a PC.

4. The system for detecting the opening pressure and the leakage of the integrated valve of the breathing nitrogen according to claim 1, wherein, The volume flow of the first flow meter (61) is 50 SCCM; The volume flow of the second flow meter (62) is 1000 SCCM; The volume flow of the third flow meter (63) is 200000 SCCM.

5. A method for detecting the opening pressure and leakage of a breathing nitrogen integrated valve, applied to a system for detecting the opening pressure and leakage of a breathing nitrogen integrated valve according to any one of claims 1 to 4, characterized in that, Including the following steps: Step S1, starting the air compressor (1) to provide continuous and stable pressure to the pipeline; Step S2, filtering the pressure in the step S1 by the first filter (2) and / or the second filter (02), and storing to the first storage tank (4) or the second storage tank (04); Step S3, detecting the flow and / or pressure.

6. The method for detecting the opening pressure of the integrated valve for detecting nitrogen and the amount of leakage according to claim 5, characterized in that, The flow detection includes the following steps: Step S31, the gas in the first storage tank (4) is communicated to the second electric valve (52), the third electric valve (53) and the fourth electric valve (54) through the first electric valve (51); Step S32, according to the need to select the gas through the first flow meter (61), the second flow meter (62) and the third flow meter (63) corresponding to the second electric valve (52), the third electric valve (53) and the fourth electric valve (54) one of them; Step S33, the gas through the flow meter through the needle type regulating valve (7); Step S34, the needle type regulating valve (7) is connected to the host end (8), and the host end (8) obtains detection data, records and stores.

7. The method for detecting the opening pressure of the integrated valve for detecting nitrogen and the amount of leakage according to claim 5, characterized in that, The pressure detection includes the following steps: Step S301, the gas in the second tank (04) is sent to the FT flow transmitter (9) through the second regulating valve (03); Step S302, the FT flow transmitter (9) sends the gas to the first platform (001) through the sixth electric valve (56); Step S303, the first platform (001) performs various detections, obtains data and stores; Step S304, the first platform (001) is connected to the second platform (002), and the second platform (002) obtains data; Step S305, the second platform (002) is connected to the third tank (040) through the eighth electric valve (58), wherein, The third tank (040) is connected to the first pressure sensor (100), the second pressure sensor (200) and the third pressure sensor (300) through the ninth electric valve (516), the first pressure sensor (100), the second pressure sensor (200) and the third pressure sensor (300) transmit pressure information to the host end (8), the host end (8) obtains pressure information data, and records and stores the data.

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