CN114994422A - Hydrogen natural emptying and electrostatic safety monitoring mutual feedback reaction protection system - Google Patents

Abstract

The invention relates to the technical field of hydrogen natural emptying safety processing, in particular to a hydrogen natural emptying and static safety monitoring mutual feedback reaction protection system which comprises a hydrogen storage and transportation device, a nitrogen containing grid, an emptying system air inlet pipe, a hydrogen emptying pipe main body, a static measurement system, an infrared camera, a computer and a signal acquisition system. According to the invention, by monitoring the state parameters and the static accumulation behavior of the emptying pipe during irregular emptying operation and combining a computer and a signal acquisition system, a safety mutual feedback protection system is formed, so that the aims of ensuring the normal operation of the emptying system and providing hazard early warning information are fulfilled, and powerful reference is provided for the safety mutual feedback protection of various hydrogen emptying implementation scenes.

Description

A mutual feedback reaction protection system for hydrogen natural venting and electrostatic safety monitoring

technical field

The invention relates to the technical field of hydrogen natural venting safety treatment, in particular to a mutual feedback reaction protection system for hydrogen natural venting and electrostatic safety monitoring.

Background technique

Hydrogen energy is widely used in many fields such as transportation and distributed power generation due to its high energy conversion rate, environmentally friendly use process, and no carbon emissions. effect. With the rapid development of my country's hydrogen application technology, the hydrogen storage and transportation volume and storage and transportation pressure are getting higher and higher. During the natural venting of hydrogen, behaviors such as friction, collision and peeling will often occur, resulting in the continuous generation, accumulation and even discharge of electrostatic charges, which is prone to accidental spontaneous combustion of hydrogen and flame intrusion of the venting device. Hydrogen storage facilities pose a potential hazard.

At present, hydrogen venting operations are usually intermittent, unstable, and discontinuous, so that the natural hydrogen venting system cannot accurately monitor the working status of venting facilities during the venting operation, and cannot deal with the failure of the venting system in time. In addition, the traditional venting equipment is generally only equipped with basic safety facilities, and does not link the state parameters and electrostatic accumulation behavior under various complex venting conditions, and cannot fundamentally and efficiently solve the hydrogen spontaneous combustion or even explosion caused by the electrostatic accumulation behavior of the venting system. ACCIDENT.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention aims to provide a mutual feedback reaction protection system for hydrogen natural venting and electrostatic safety monitoring, which can adjust system protection measures according to the natural hydrogen venting state and monitor static electricity accumulation behavior online, so as to solve the static electricity in the venting process. and accidental explosion safety issues.

To achieve the above object, the present invention adopts the following technical solutions:

A hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system, comprising a hydrogen storage and transportation device, a nitrogen container, a hydrogen venting pipe main body, an electrostatic measurement system, the infrared camera, a computer and a signal acquisition system;

The hydrogen storage and transportation device and the nitrogen container are respectively connected to the air intake pipe of the venting system through the hydrogen flow channel pipeline and the nitrogen gas flow channel pipeline, and a buffer tank and a damper are arranged on the air intake pipe of the venting system. Firearm; the end of the air intake pipe of the venting system is connected to the bottom of the main body of the venting pipe;

The main body of the venting tube includes a molecular sealer, a venting tube discharge port and a detection unit 1. The detection unit 1 is used to monitor the venting state during the venting operation, and the venting state is fed back to the computer and the data acquisition system through the data transmission wire. When there is intermittent and discontinuous venting in the hydrogen venting operation, the computer and the signal acquisition system will immediately issue instructions to control the flow regulating valve and solenoid valve on the nitrogen flow path, and inject the molecular sealer through the nitrogen flow path branch. Molecular sealers use nitrogen molecules as sealing fillers to seal and prevent air from entering the venting system;

The electrostatic measurement system includes an electrostatic sensor in the tube, an electrostatic transmission wire, an electrostatic signal conditioning board and an electrostatic sensor outside the tube. The three electrostatic sensors in the tube are all arranged in the main body of the hydrogen discharge pipe, and are respectively arranged in the air intake pipe of the venting system from bottom to top. The connection with the main body of the hydrogen discharge pipe, the lower end of the molecular sealer, and the connection between the upper end of the molecular sealer and the exhaust port of the venting pipe, the electrostatic sensor outside the pipe is arranged above the exhaust port of the venting pipe, and is used for monitoring the venting pipe. The electrostatic accumulation behavior at the outlet of the exhaust port, the electrostatic sensor in the pipe and the electrostatic sensor outside the pipe are connected to the electrostatic signal conditioning board respectively through the electrostatic transmission wire, so as to facilitate electrostatic measurement and subsequent safe processing; the electrostatic signal conditioning board is connected to the electrostatic signal conditioning board through the data transmission wire. The computer is connected with the signal acquisition system to collect, store, and process the electrostatic induction signal in real time. At the same time, combined with the hydrogen venting state, analyze the electrostatic accumulation behavior of the venting pipe during irregular venting operations;

The infrared camera is arranged on one side of the exhaust port of the venting pipe, and is connected to the computer collecting signal collection system for monitoring abnormal ignition conditions outside the venting system.

A further improvement of the present invention is that the hydrogen flow pipeline is provided with a pressure reducing valve and a regulating valve.

A further improvement of the present invention is that an overpressure relief pipe and a bursting disc are arranged at the end of the buffer tank to prevent system damage caused by pressure imbalance.

A further improvement of the present invention is that the flame arrester is used to prevent potential danger to the natural venting system and the upstream hydrogen storage and transportation facility due to flame intrusion.

A further improvement of the present invention is that the nitrogen container is composed of a plurality of commercial nitrogen cylinders, and the pressure of the high-pressure nitrogen cylinder is 12.5MPa, which is assembled vertically or horizontally to provide inert protective gas.

A further improvement of the present invention is that the electrostatic sensor in the tube is a ring-shaped non-contact electrostatic sensor, which is embedded in the inner side of the main body of the venting tube and ensures the smooth inner wall of the pipeline.

A further improvement of the present invention is that the lower end of the electrostatic signal conditioning plate is connected to the support frame rod and the electrostatic grounding device, which can safely release the electrostatically induced charges after conversion, filtering and amplification through the electrostatic grounding device in time.

A further improvement of the present invention is that the upper end of the support frame rod and the electrostatic grounding device is provided with a detection unit 2, which is used for the safety monitoring of the venting environment after the hydrogen is vented, and the venting state is fed back to the computer and the data acquisition system through the data transmission wire. When abnormal accumulation of hydrogen occurs in the external environment of the system, the computer and the signal acquisition system will immediately issue instructions to control the nitrogen purging system to protect the venting system and upstream equipment, and suspend the venting operation according to the actual situation to avoid further expansion of the dangerous state.

A further improvement of the present invention is that the computer and the signal acquisition system are responsible for collecting the data monitoring information of the relevant detection elements of the detection unit 1 and the detection unit 2, and further control the nitrogen purging system to protect the venting system and upstream equipment; under different venting conditions Collect the electrostatic accumulation behavior of the electrostatic measurement system.

The present invention at least has the following beneficial technical effects:

The invention utilizes the detection unit and the photographing device to monitor the state parameters of the venting tube in real time, and captures and measures the electrostatically induced charge of the venting tube through an electrostatic measurement system. Feedback the above key information to the computer and signal acquisition system in time and effectively control the injection of nitrogen purging and protective gas into the venting system, effectively solving the problem of system failure caused by abnormal concentration, accidental ignition, intermittent venting, and air backflow in the venting system.

The electrostatic detection device of the invention can conduct the captured electrostatic charge to the electrostatic signal conditioning board in time, feed it back to the computer and the signal acquisition system in the form of an electronic signal, and safely release the electrostatic charge through the support rod and the electrostatic grounding device.

The signal acquisition system of the computer system of the present invention can store and process the venting state parameters and electrostatic induction signals, and analyze the venting state parameters and electrostatic accumulation behavior of the venting pipe during irregular operation in combination with the hydrogen venting state under different conditions. Provides a strong reference for the safety mutual feed protection of gas venting implementation scenarios.

Description of drawings

FIG. 1 is a schematic diagram of a mutual feedback reaction protection system for hydrogen venting and electrostatic safety monitoring disclosed in the present invention.

Description of reference numbers:

1-Hydrogen storage and transportation device; 11-Hydrogen flow pipeline; 12-Reducing valve; 13-Regulating valve;

2-nitrogen container; 21-nitrogen flow pipeline; 22-check valve; 23-flow regulating valve; 24-solenoid valve; 25-nitrogen flow branch 1; 26-nitrogen flow branch 2;

3- Vent system intake pipe; 31- Flame arrester;

4-buffer tank; 41-overpressure relief pipe; 42-bursting disc;

5-Hydrogen venting tube main body; 51-Venting tube base; 52-Molecular sealer; 53-Venting tube exhaust port; 54-Detection unit 1; 55-Detection unit 2;

6-Electrostatic measurement system; 61-Electrostatic sensor inside the pipe; 62-Electrostatic transmission wire; 63-Electrostatic signal conditioning board; 64-Electrostatic sensor outside the pipe; 65-Support frame rod and electrostatic grounding device;

7- Infrared camera;

8-computer and signal acquisition system; 81-alarm unit one; 82-alarm unit two.

Detailed ways

The technical solutions of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

As shown in accompanying drawing 1, a kind of hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system provided by the present invention includes hydrogen storage and transportation device 1, nitrogen container compartment 2, venting system intake pipe 3, overpressure relief pipe 41. The main body of the hydrogen venting pipe 5, the first detection unit 54 and the second detection unit 55, the electrostatic measurement system 6, the infrared camera 7, the computer and the data acquisition system 8 and the alarm unit, the hydrogen storage and transportation device 1 and the nitrogen gas The container 2 is connected to the air inlet pipe 3 of the venting system through the hydrogen flow pipeline 11 and the nitrogen flow pipeline 21, respectively, and nitrogen purging operation is required before carrying out hydrogen venting. The air intake pipe 3 of the venting system is provided with a buffer tank 4 and a flame arrester 31 . The hydrogen flow pipeline 11 is provided with a pressure reducing valve 12 and a regulating valve 13 . The nitrogen flow pipeline 21 is provided with a pressure reducing valve 12, a check valve 22, a flow regulating valve 23 and a solenoid valve 24, and then the nitrogen flow pipeline 21 is divided into a nitrogen flow branch one 25 and a nitrogen flow branch two 26, The nitrogen flow path branch one 25 is connected to the molecular sealer 52, and the nitrogen flow path branch two 26 is connected to the air inlet pipe 3 of the venting system, and is provided with a regulating valve.

An overpressure relief pipe 41 and a bursting disc 42 are arranged at the end of the buffer tank 4 to prevent system damage caused by pressure imbalance.

The flame arrester 31 is used to prevent potential danger to the natural venting system and upstream hydrogen storage and transportation facilities due to flame intrusion.

The venting operations involved in the hydrogen storage and transportation device 1 can be implemented in multiple scenarios, such as: maintenance of hydrogen storage tanks at hydrogen refueling stations, venting of hydrogen production sites, maintenance of hydrogen transportation pipelines, and venting of hydrogen storage and transportation devices after pre-cooling.

The nitrogen container 2 is composed of a plurality of commercial nitrogen cylinders, and the pressure of the high-pressure nitrogen cylinder is 12.5MPa, which is assembled vertically or horizontally, and provides inert protective gas.

The end of the air inlet pipe 3 of the venting system is connected to the bottom of the venting pipe main body 5, and the venting pipe main body 5 includes a molecular sealer 52, a venting pipe discharge port 53 and a detection unit 1 54, and the detection unit 1 54 is composed of a temperature sensor. It is composed of components such as pressure sensor and flow sensor, which are used to monitor the venting state during the venting operation. The venting state is fed back to the computer and data acquisition system through the data transmission wire. When the hydrogen venting operation has intermittent and discontinuous venting , the alarm unit 1 81 flashes and an alarm sound is issued, and the computer and the signal acquisition system 8 immediately issue instructions to control the flow regulating valve 23 and the solenoid valve 24 on the nitrogen flow path pipeline 21, and inject the molecular sealer through the nitrogen flow path branch 25. 52. The molecular sealer 52 uses nitrogen molecules as a sealing filler to seal and prevent air from entering the venting system.

The electrostatic measurement system 6 includes an electrostatic sensor 61 in the tube, an electrostatic transmission wire 62, an electrostatic signal conditioning board 63, an electrostatic sensor 64 outside the tube, a support frame rod and an electrostatic grounding device 65. In the main body 5 of the discharge pipe, they are arranged from bottom to top at the connection between the intake pipe 3 of the venting system and the main body 5 of the hydrogen discharge pipe, the lower end of the molecular sealer 52, and the connection between the upper end of the molecular sealer 52 and the exhaust port 53 of the venting pipe. The sensor 61 is an annular non-contact electrostatic sensor, which is embedded in the inner side of the venting pipe body 5 and ensures that the inner wall of the pipe is smooth. The electrostatic accumulation behavior at the outlet of the air port 53, the electrostatic sensor 61 in the tube and the electrostatic sensor 64 outside the tube are connected to the electrostatic signal conditioning board 63 through the electrostatic transmission wire 62 respectively, so as to facilitate electrostatic measurement and subsequent safe processing.

The electrostatic transmission wire 62 is a copper wire, and the two ends are connected to the electrostatic sensor and the electrostatic signal conditioning board 63 to ensure that the induced charge received by the electrostatic signal conditioning board 63 is consistent with the induced charge data measured by the electrostatic sensor.

The electrostatic signal conditioning plate 63 is a disc-shaped panel, which can filter and amplify the electrostatic signal, and is connected to the computer and the signal acquisition system 8 through a data transmission wire to collect, store and process the electrostatic induction signal in real time, which can be combined with hydrogen gas. In the emptying state, the electrostatic accumulation behavior of the emptying pipe during irregular emptying operation is analyzed.

The supporting frame rod and the electrostatic grounding device 65 mainly have the function of supporting and fixing the electrostatic signal conditioning plate 63, and are provided with an electrostatic grounding protection device.

The lower end of the electrostatic signal conditioning plate 63 is connected with the support frame rod and the electrostatic grounding device 65 , and the electrostatically induced charge after conversion, filtering and amplification can be safely released through the electrostatic grounding device in time.

The upper end of the support frame rod and the electrostatic grounding device 65 is provided with a detection unit 2 55. The detection unit 2 is composed of a hydrogen concentration sensor, a temperature sensor, a flame detector and other components, and is used for the safety monitoring of the venting environment after the hydrogen is vented. The data transmission wire feeds back the venting state to the computer and the data acquisition system 8. When the hydrogen gas is vented to the external environment of the system and abnormal accumulation of hydrogen occurs, the alarm unit 2 82 flashes and an alarm sound is issued, and the computer and the signal acquisition system 8 immediately issue an instruction , Control the nitrogen purging system 2 to protect the venting system and upstream equipment, and suspend the venting operation according to the actual situation to avoid the further expansion of the dangerous state.

The infrared camera 7 is arranged on one side of the exhaust port 53 of the venting pipe, and is connected to the computer signal collection system 8 for monitoring abnormal ignition conditions outside the venting system.

The computer and the signal acquisition system 8 are responsible for collecting the data monitoring information of the relevant detection elements of the detection unit 1 54 and the detection unit 2 55 and feed them back to the corresponding alarm unit 1 81 and alarm unit 2 82, and further control the nitrogen purging system 2 to protect and vent. System and upstream equipment; the electrostatic accumulation behavior of the electrostatic measurement system 6 is collected under different venting conditions.

A kind of hydrogen gas natural venting and electrostatic safety monitoring mutual feedback reaction protection system provided by the invention, its working process is as follows:

The venting safety protection system involved in the present invention is suitable for multiple implementation scenarios, such as: maintenance venting of hydrogen storage tanks in hydrogen refueling stations, venting for operations in chemical hydrogen production sites, venting for maintenance of hydrogen transportation pipelines, pre-cooling venting for large-scale hydrogen storage and transportation equipment, etc. Scenes.

According to the purpose of monitoring and protection, it is necessary to regularly overhaul and test the working status of each key link of the system to ensure that there is no overpressure and air leakage in the venting pipeline.

Before the venting operation, the computer and the signal acquisition system 8 issue a command to control the nitrogen flow path from the nitrogen container 2 through the nitrogen flow path branch 26 to enter the air inlet pipe 3 of the venting system, and the air and other impurity gases in the entire system pipeline are removed. replace it.

During the venting operation, the hydrogen medium enters the venting system intake pipe 3 from the hydrogen storage and transportation device 1 through the hydrogen flow pipe 11. The venting system intake pipe 3 is provided with a flame arrester 31 and a buffer tank 4, which can effectively prevent the external flame from entering the hydrogen discharge pipe. As well as preventing system damage due to pressure imbalances.

The invention provides a hydrogen gas natural venting and electrostatic safety monitoring mutual feedback reaction protection system, which mainly includes the following safety monitoring mutual feedback reaction protection working conditions:

Situation 1: When the hydrogen medium enters the main body 5 of the hydrogen venting pipe from the intake pipe 3 of the venting system, when the venting is normally vented, the detection unit 1 54 monitors the venting state during the venting operation and collects data such as pipeline flow, pressure, and temperature through the data transmission wire. Feedback to the computer and the data acquisition system 8, issue instructions and control the flow regulating valve 23 and the solenoid valve 24 on the nitrogen flow path pipeline 21, and inject the molecular sealer 52 with a small flow of nitrogen purge gas through the nitrogen flow path branch-25, Keep the gas in the pipeline to form a slight positive pressure to prevent the gas from backflow.

Situation 2: When there is intermittent and discontinuous venting in the hydrogen venting operation, the detection unit 1 54 responds quickly, and feeds back the data such as the flow rate, pressure, and temperature of the venting pipe to the computer and the data acquisition system 8 through the data transmission wire. The alarm unit 1 81 flashes and an alarm sounds, the computer and the signal acquisition system 8 immediately issue instructions to control the flow regulating valve 23 and the solenoid valve 24 on the nitrogen flow pipeline 21, and the nitrogen flow branch 1 25 is purged with a large flow of nitrogen gas. Inject the molecular sealer 52 to fully protect and prevent the foreign impurity gas from invading the venting tube.

Situation 3: No matter when the hydrogen is vented normally or intermittently, the hydrogen concentration and ambient temperature may be abnormal when the hydrogen is vented to the external environment of the system, and dangerous situations such as static electricity accidental ignition are likely to occur. The monitoring state parameters are fed back to the computer and the data acquisition system 8 through the data transmission wire, the alarm unit 2 82 flashes and an alarm sound is issued, and the computer and the signal acquisition system 8 issue an instruction immediately. The valve 24 is fully opened, and a large flow of nitrogen is sprayed into the discharge pipe to eliminate the flame hazard and ensure that the venting system can perform the venting operation normally under various conditions.

Situation 4: During the whole process of natural venting of hydrogen, there will often be abnormal accumulation or even discharge of electrostatic charge due to friction, collision and other behaviors, which is prone to accidental spontaneous combustion of hydrogen and intrusion of the flame of the venting device, which will affect the natural venting system and upstream hydrogen production , hydrogen storage facilities constitute potential hazards.

The electrostatic sensor 61 inside the tube and the electrostatic sensor 64 outside the tube are used to monitor the electrostatic accumulation behavior during the natural hydrogen venting operation. Electrostatic charge builds up abnormally at the electrostatic sensor. Then the electrostatic signal conditioning board filters and amplifies the received electrostatic signal, the electronic signal is fed back to the computer and the signal acquisition system 8 through the data transmission wire, and the electrostatic charge is safely released through the support rod and the electrostatic grounding device 65 . If the electrostatic charge is not released in time and an accidental ignition accident occurs, it can be properly handled according to Situation 3.

After the venting operation, the computer and the signal acquisition system 8 issue commands to control the nitrogen flow path from the nitrogen container 2 through the nitrogen flow path branch 1 25 and the nitrogen flow branch 26 to enter the molecular sealer 52 and the air inlet pipe of the venting system respectively. 3. Purge the entire system pipeline, store and process the venting state parameters and electrostatic induction signals, and analyze the venting state parameters (including flow, pressure, parameters such as temperature) and electrostatic accumulation behavior, providing a strong reference for the safety mutual feedback protection of various hydrogen venting implementation scenarios. It can be understood that the above specific description of the present invention is only used to illustrate the present invention and is not limited to the technical solutions described in the embodiments of the present invention. Those of ordinary skill in the art should understand that the present invention can still be modified or Equivalent replacement to achieve the same technical effect, as long as the needs of use are met, all fall within the protection scope of the present invention.

Claims (9)

1. a natural hydrogen gas venting and electrostatic safety monitoring mutual feedback reaction protection system, is characterized in that, comprises hydrogen storage and transportation device, nitrogen container, hydrogen venting pipe main body, electrostatic measurement system, described infrared camera and computer and signal acquisition system; The hydrogen storage and transportation device and the nitrogen container are respectively connected to the air intake pipe of the venting system through the hydrogen flow channel pipeline and the nitrogen gas flow channel pipeline, and a buffer tank and a damper are arranged on the air intake pipe of the venting system. Firearm; the end of the air intake pipe of the venting system is connected to the bottom of the main body of the venting pipe; The main body of the venting tube includes a molecular sealer, a venting tube discharge port and a detection unit 1. The detection unit 1 is used to monitor the venting state during the venting operation, and the venting state is fed back to the computer and the data acquisition system through the data transmission wire. When there is intermittent and discontinuous venting in the hydrogen venting operation, the computer and the signal acquisition system will immediately issue instructions to control the flow regulating valve and solenoid valve on the nitrogen flow path, and inject the molecular sealer through the nitrogen flow path branch. Molecular sealers use nitrogen molecules as sealing fillers to seal and prevent air from entering the venting system; The electrostatic measurement system includes an electrostatic sensor in the tube, an electrostatic transmission wire, an electrostatic signal conditioning board and an electrostatic sensor outside the tube. The three electrostatic sensors in the tube are all arranged in the main body of the hydrogen discharge pipe, and are respectively arranged in the air intake pipe of the venting system from bottom to top. The connection with the main body of the hydrogen discharge pipe, the lower end of the molecular sealer, and the connection between the upper end of the molecular sealer and the exhaust port of the venting pipe, the electrostatic sensor outside the pipe is arranged above the exhaust port of the venting pipe, and is used for monitoring the venting pipe. The electrostatic accumulation behavior at the outlet of the exhaust port, the electrostatic sensor in the pipe and the electrostatic sensor outside the pipe are connected to the electrostatic signal conditioning board respectively through the electrostatic transmission wire, so as to facilitate electrostatic measurement and subsequent safe processing; the electrostatic signal conditioning board is connected to the electrostatic signal conditioning board through the data transmission wire. The computer is connected with the signal acquisition system to collect, store, and process the electrostatic induction signal in real time. At the same time, combined with the hydrogen venting state, the electrostatic accumulation behavior of the venting pipe during irregular venting operations is analyzed; The infrared camera is arranged on one side of the exhaust port of the venting pipe, and is connected to the computer collecting signal collection system for monitoring abnormal ignition conditions outside the venting system. 2. A kind of hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system according to claim 1, is characterized in that, described hydrogen flow path pipeline is provided with pressure reducing valve and regulating valve. 3. a kind of hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system according to claim 1, is characterized in that, described buffer tank end is provided with overpressure relief pipe and arranges bursting disc, prevents from pressure imbalance system damage. 4. a kind of hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system according to claim 1, it is characterized in that, described flame arrester is used to prevent the natural venting system and upstream hydrogen storage and transportation facilities from being formed due to flame intrusion Potentially dangerous. 5. a kind of hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system according to claim 1, is characterized in that, described nitrogen container is made up of a plurality of commercial nitrogen cylinders, and the pressure of high-pressure nitrogen cylinder is 12.5MPa, Available in vertical or horizontal assembly for supplying inert protective gas. 6. a kind of hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system according to claim 1, it is characterized in that, the electrostatic sensor in the tube is a ring-shaped non-contact electrostatic sensor, inlaid on the inside of the venting tube main body and guarantees the inner wall of the pipeline smooth. 7. A kind of hydrogen gas natural venting and electrostatic safety monitoring mutual feedback reaction protection system according to claim 1, characterized in that, the lower end of the electrostatic signal conditioning plate is connected with the support frame rod and the electrostatic grounding device, and the converted , Filtered and amplified electrostatically induced charges are safely released through the electrostatic grounding device. 8. a kind of hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system according to claim 1, it is characterized in that, the upper end of the support frame rod and the electrostatic grounding device is provided with the detection unit two, which is used for the safety of the venting environment after the hydrogen venting Monitoring, the venting state is fed back to the computer and data acquisition system through the data transmission wire. When the hydrogen gas is vented to the external environment of the system and abnormal accumulation of hydrogen occurs, the computer and the signal acquisition system will immediately issue instructions to control the nitrogen purging system to protect the venting system and Upstream equipment is installed, and the emptying operation is suspended according to the actual situation to avoid the further expansion of the dangerous state. 9. A kind of hydrogen natural venting and electrostatic safety monitoring mutual feedback reaction protection system according to claim 1, it is characterized in that, described computer and signal acquisition system are responsible for collecting the data monitoring of detection unit 1 and detection unit 2 related detection elements information, and further control the nitrogen purging system to protect the venting system and upstream equipment; collect the electrostatic accumulation behavior of the electrostatic measurement system under different venting conditions.

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