Skid-mounted multiphase flow metering device

Abstract

The utility model relates to the technical field of petroleum equipment, in particular to a skid-mounted multiphase flow metering device which comprises a liquid inlet, a buffer pipe, a gas-liquid separation cylinder, a gas pipe, a gas flow detection cavity, a gas flow detector, a hydrogen sulfide gas detection integral component, a manual valve, a liquid pipe, a moisture content detector, a liquid flow detection cavity, a liquid flow detector, a gas-liquid mixing pipe and a liquid outlet. The device can be used for testing associated gas and liquid-phase substances in crude oil in a segmented manner, can be used for detecting the concentration condition of hydrogen sulfide gas contained in the associated gas in the crude oil, and has the characteristics of stability in operation and convenience in installation.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum equipment technical field, especially a pry -on type multiphase flow metering device. BACKGROUND

[0002] Traditional metering device can only measure single well liquid production, and needs manual valve, manual reading, time-sharing metering, and the operation is complicated and inefficient. At the same time, the metering of oil, gas and water medium in oil well production liquid also lacks accuracy and real-time. Therefore, a pry-on type multiphase flow metering device capable of realizing online real-time metering and remote transmission of multi-well oil and gas is urgently needed. SUMMARY

[0003] To solve the above technical problems and realize the above technical characteristics, the utility model adopts the following technical scheme:

[0004] A pry-mounted multiphase flow metering device, comprising a liquid inlet, a buffer tube, a gas-liquid separation cylinder, a gas tube, a gas volume detection cavity, a gas volume detector, a hydrogen sulfide gas detection integral component, a manual valve, a liquid tube, a water cut detector, a liquid volume detection cavity, a liquid volume detector, a gas-liquid mixing tube, and a liquid outlet, wherein the liquid inlet is the entrance of crude oil into the device, the buffer tube comprises buffer tube A and buffer tube B, the buffer tube is used to buffer the large liquid volume of crude oil into the device, preventing the device from being flooded due to excessive liquid volume of crude oil, the gas-liquid separation cylinder comprises gas-liquid separation cylinder A and gas-liquid separation cylinder B, the gas-liquid separation cylinder is used to separate the associated gas in crude oil from the liquid phase material, the buffer tube A is connected to the gas-liquid separation cylinder A, the buffer tube B is connected to the gas-liquid separation cylinder B, the gas tube comprises gas tube A section, gas tube B section, gas tube C section, and gas tube D section, the gas tube is the passage of associated gas in crude oil, the gas tube A section is connected to the gas volume detection cavity, the top of the gas volume detection cavity is provided with a gas volume detector, the gas volume detector is used to detect the instantaneous flow and cumulative flow of associated gas in crude oil, the gas tube B section is connected to the gas volume detection cavity, the hydrogen sulfide gas detection integral component comprises an air inlet, an electromagnetic valve, an air inlet tube, a hydrogen sulfide gas detection cavity, a hydrogen sulfide gas detector, a warning light, a one-way air outlet valve A, an air outlet pressure relief valve, a single air outlet valve, an air outlet tube, an air outlet, a motor, a piston core rod, and a piston head, the air inlet is connected to the gas tube B section, the air inlet is connected to the electromagnetic valve, the electromagnetic valve is connected to the air inlet tube, the air inlet tube is connected to the hydrogen sulfide gas detection cavity, the hydrogen sulfide gas detection cavity is connected to the hydrogen sulfide gas detector, the bottom of the hydrogen sulfide gas detector is provided with a one-way air inlet valve, the one-way air inlet valve is used to introduce oxygen in the external air and maintain the same air pressure in the hydrogen sulfide gas detection cavity as the external air, the hydrogen sulfide gas detection cavity is connected to the air outlet pressure relief valve, the air outlet pressure relief valve is used to discharge the original air in the hydrogen sulfide gas detection cavity, the bottom of the air inlet tube is connected to the one-way air outlet valve, the one-way air outlet valve is connected to the air outlet tube, the air outlet tube is connected to the air outlet, the motor is connected to the piston core rod, the piston core rod is connected to the piston head, the air inlet in the hydrogen sulfide gas detection integral component is connected to the gas tube B section, the air outlet in the hydrogen sulfide gas detection integral component is connected to the gas tube C section, the gas tube C section is connected to the gas tube D section, the gas tube D section is provided with a manual valve, the manual valve is a control valve for controlling the passage of associated gas in crude oil through the gas tube D section, the liquid tube is connected to the bottom of the gas-liquid separation cylinder A, the bottom of the gas-liquid separation cylinder B, and the bottom of the liquid volume detection cavity, the liquid volume detection cavity is connected to the gas-liquid mixing tube, and the gas-liquid mixing tube is connected to the gas tube D section and the liquid outlet.

[0005] Further, the top of the liquid tube is provided with a water cut detector, and the water cut detector is used to detect the water cut data of the liquid phase material in crude oil.

[0006] Further, the top of the liquid volume detection chamber is provided with a liquid volume detector, which is used to detect the instantaneous flow and cumulative flow of the liquid phase material in the crude oil.

[0007] Further, the hydrogen sulfide gas detector in the hydrogen sulfide gas detection integral component is provided with a warning light, which is bright when the hydrogen sulfide gas detector detects that the crude oil associated gas contains hydrogen sulfide gas.

[0008] Further, the gas volume detector, the liquid volume detector and the water content detector are all externally provided with LED display screens.

[0009] Further, the electromagnetic valve in the hydrogen sulfide gas detection integral component is provided with a signal receiver, a controller and a timer, the signal receiver is used to receive the opening or closing instructions sent by the user terminal device, the controller is used to control the opening or closing of the electromagnetic valve, and the timer is used to realize the timing of the electromagnetic valve.

[0010] Further, the hydrogen sulfide gas detector in the hydrogen sulfide gas detection integral component is used to detect the concentration of hydrogen sulfide gas, and is a hydrogen sulfide gas detector conforming to the electrochemical principle, which is provided with an LED display screen, an electrochemical sensor and an integrated data processing circuit, and has data processing and data transmission functions.

[0011] Preferably, the gas volume detector, the liquid volume detector and the water content detector are all internally provided with a microprocessor, a data storage unit and a signal transmission unit, the microprocessor is used to analyze data, the data storage unit is used to store data, and the signal transmission unit is used to send data.

[0012] The utility model discloses beneficial effect is: when a pry formula multiphase flow metering device is in working condition, crude oil passes through liquid inlet respectively through buffer pipe A, buffer pipe B and flows into gas -liquid separation cylinder A, gas -liquid separation cylinder B, and crude oil completes the separation of crude oil liquid phase material and associated gas in gas -liquid separation cylinder A, gas -liquid separation cylinder B, and crude oil associated gas then passes through the gas pipe A section of the gas pipe C section of the gas pipe D section of the gas pipe of the gas -liquid separation cylinder A, gas -liquid separation cylinder B top connection and enters the gas quantity detection cavity, and the instantaneous flow and the cumulative flow of crude oil associated gas can be measured using the gas quantity detection instrument provided at the top of the gas quantity detection cavity, and the crude oil associated gas with measured instantaneous flow and cumulative flow passes through the gas pipe B section connected with the gas quantity detection cavity and enters the hydrogen sulfide gas detection integral component through the gas inlet in the hydrogen sulfide gas detection integral component, and the electromagnetic valve in the hydrogen sulfide gas detection integral component uses its self -containing controller to adjust the timer to the timing passage state, and the crude oil associated gas passes through the electromagnetic valve passage and enters the gas inlet pipe, and then passes through the gas inlet pipe and enters the hydrogen sulfide gas detection cavity, at this time, the motor controls the piston core rod to do the extraction stroke, and then the piston head does the extraction stroke, and the one-way pressure relief valve discharges the original air in the hydrogen sulfide gas detection cavity in the extraction stroke, and the extraction stroke of the piston head helps the outside air to enter the hydrogen sulfide gas detection cavity through the one-way air inlet valve, at this time, the hydrogen sulfide gas detection instrument can detect the hydrogen sulfide gas concentration in the crude oil associated gas, and if the hydrogen sulfide gas is detected, the warning light is bright, when the extraction stroke of the piston head reaches the limit, the self -containing controller of the electromagnetic valve adjusts the timer to the timing closed circuit state, at this time, the motor controls the piston core rod to do the push stroke, and then the piston head does the push stroke, and the push stroke of the piston head helps the crude oil associated gas with the detected hydrogen sulfide gas concentration to discharge the hydrogen sulfide gas detection cavity through the one-way air outlet valve, and the crude oil associated gas with the detected hydrogen sulfide gas concentration discharges to the gas pipe C section through the one-way air outlet valve, the gas outlet pipe and the gas outlet, and the crude oil associated gas with the detected hydrogen sulfide gas concentration flows through the manual valve passage of the gas pipe D section, the gas pipe D section, the gas -liquid mixing pipe and the liquid outlet and discharges. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a kind of pry formula multiphase flow metering device's three-dimensional structure schematic diagram.

[0014] Figure 2 It is a hydrogen sulfide gas detection integral component stereoscopic structure schematic diagram of pry-mounted multiphase flow metering device.

[0015] Figure 3 It is a hydrogen sulfide gas detection integral component cross-section structure schematic diagram of pry-mounted multiphase flow metering device.

[0016] In the figure: 1 - liquid inlet, 2 - buffer tube A, 3 - buffer tube B, 4 - gas-liquid separation cylinder A, 5 - gas-liquid separation cylinder B, 6 - gas pipe A section, 7 - gas volume detection cavity, 8 - gas volume detector, 9 - gas pipe B section, 10 - hydrogen sulfide gas detection integral component, 11 - gas pipe C section, 12 - gas pipe D section, 13 - manual valve, 14 - liquid pipe, 15 - water content detector, 16 - liquid volume detection cavity, 17 - liquid volume detector, 18 - gas-liquid mixing pipe, 19 - liquid outlet, 101 - gas inlet, 102 - electromagnetic valve, 103 - gas inlet pipe, 104 - hydrogen sulfide gas to be detected cavity, 105 - hydrogen sulfide gas detector, 106 - warning light, 107 - one-way air inlet valve, 108 - air outlet pressure relief valve, 109 - single air outlet valve, 110 - air outlet pipe, 111 - air outlet, 201 - motor, 202 - piston core rod, 203 - piston head. DETAILED DESCRIPTION

[0017] The utility model embodiment provides a pry-mounted multiphase flow metering device, such as Figure 1 , Figure 2 , Figure 3As shown, a pry-mounted multiphase flow metering device includes liquid inlet 1, buffer tube A 2, buffer tube B 3, gas-liquid separation cylinder A 4, gas-liquid separation cylinder B 5, gas pipe A section 6, gas volume detection cavity 7, gas volume detector 8, gas pipe B section 9, hydrogen sulfide gas detection integral component 10, gas pipe C section 11, gas pipe D section 12, manual valve 13, liquid pipe 14, water content detector 15, liquid volume detection cavity 16, liquid volume detector 17, gas-liquid mixing pipe 18, liquid outlet 19, the liquid inlet 1 is the entrance of crude oil into the device, the buffer tube includes buffer tube A 2, buffer tube B 3, the buffer tube is used to buffer large liquid volume of crude oil into the device, prevent the device from being flooded due to excessive liquid volume of crude oil, the gas-liquid separation cylinder includes gas-liquid separation cylinder A 4, gas-liquid separation cylinder B 5, the gas-liquid separation cylinder is used to separate associated gas in crude oil and liquid phase material, the buffer tube A 2 is connected with the gas-liquid separation cylinder A 4, the buffer tube B 3 is connected with the gas-liquid separation cylinder B 5, the gas pipe includes gas pipe A section 6, gas pipe B section 9, gas pipe C section 11, gas pipe D section 12, the gas pipe is the passage of associated gas of crude oil, the gas pipe A section 6 is connected with the gas volume detection cavity 7, the top of the gas volume detection cavity 7 is provided with the gas volume detector 8, the gas volume detector 8 is used to detect the instantaneous flow and cumulative flow of associated gas in crude oil, the gas pipe B section 9 is connected with the gas volume detection cavity 7, the hydrogen sulfide gas detection integral component 10 includes air inlet 101, electromagnetic valve 102, air inlet pipe 103, hydrogen sulfide gas to be measured cavity 104, hydrogen sulfide gas detector 105, warning light 106, one-way air outlet valve A 107, air outlet pressure relief valve 108, one-way air outlet valve 109, air outlet pipe 110, air outlet 111, motor 201, piston core rod 202, piston head 203, the air inlet 101 is connected with the gas pipe B section 9, the air inlet 101 is connected with the electromagnetic valve 102, the electromagnetic valve 102 is connected with the air inlet pipe 103, the air inlet pipe 103 is connected with the hydrogen sulfide gas to be measured cavity 104, the hydrogen sulfide gas to be measured cavity 104 is connected with the hydrogen sulfide gas detector 105, the hydrogen sulfide gas to be measured cavity 104 is connected with the hydrogen sulfide gas detector 105, the bottom of the hydrogen sulfide gas detector 105 is provided with the one-way air inlet valve 107, the one-way air inlet valve 107 is used to introduce oxygen in the external air and maintain the same air pressure in the hydrogen sulfide gas to be measured cavity 104 as the outside, the hydrogen sulfide gas to be measured cavity 104 is connected with the air outlet pressure relief valve 108, the air outlet pressure relief valve 108 is used to discharge the original air in the hydrogen sulfide gas to be measured cavity 104, the bottom of the air inlet pipe 103 is connected with the one-way air outlet valve 109, the one-way air outlet valve 109 is connected with the air outlet pipe 110, the air outlet pipe 110 is connected with the air outlet 111, the motor 201 is connected with the piston core rod 202, the piston core rod 202 is connected with the piston head 203, the air inlet 101 in the hydrogen sulfide gas detection integral component 10 is connected with the gas pipe B section 9, the air outlet 111 in the hydrogen sulfide gas detection integral component 10 is connected with the gas pipe C section 11,The gas pipe C section 11 is connected with the gas pipe D section 12, the gas pipe D section 12 is provided with a manual valve 13, the manual valve 13 is an opening and closing path for controlling the crude oil associated gas passing through the gas pipe D section 12, the liquid pipe 14 is connected with the bottom of the gas-liquid separation cylinder A4 and the gas-liquid separation cylinder B5 and the bottom of the liquid quantity detection cavity 16 respectively, the liquid quantity detection cavity 16 is connected with the gas-liquid mixing pipe 18, the gas-liquid mixing pipe 18 is connected with the gas pipe D section 12 and the liquid outlet 19 respectively; the top of the liquid pipe 14 is provided with a water content detector 15, the water content detector 15 is used for detecting the water content data of the liquid phase material in the crude oil; the top of the liquid quantity detection cavity 16 is provided with a liquid quantity detector 17, the liquid quantity detector 17 is used for detecting the instantaneous flow and the cumulative flow of the liquid phase material in the crude oil; the hydrogen sulfide gas detector 105 in the hydrogen sulfide gas detection overall component 10 is provided with a warning light 106, when the hydrogen sulfide gas detector 105 in the hydrogen sulfide gas detection overall component 10 detects that the crude oil associated gas contains hydrogen sulfide gas, the warning light 106 is bright; the gas quantity detector 8, the liquid quantity detector 17 and the water content detector 15 are all provided with an LED display screen outside; the electromagnetic valve 102 in the hydrogen sulfide gas detection overall component 10 is provided with a signal receiver, a controller and a timer, the signal receiver is used for receiving the opening or closing instruction sent by the user terminal equipment, the controller is used for controlling the opening or closing of the electromagnetic valve 102, and the timer is used for realizing the timing passage or timing closing of the electromagnetic valve 102; the hydrogen sulfide gas detector 105 in the hydrogen sulfide gas detection overall component 10 is used for detecting the hydrogen sulfide gas concentration, the hydrogen sulfide gas detector is a hydrogen sulfide gas detector conforming to the electrochemical principle, the hydrogen sulfide gas detector 105 is provided with an LED display screen, an electrochemical sensor and an integrated data processing circuit, the integrated data processing circuit has data processing and data transmission functions; the gas quantity detector 8, the liquid quantity detector 17 and the water content detector 15 are all provided with a microprocessor, a data storage unit and a signal transmission unit inside, the microprocessor is used for analyzing data, the data storage unit is used for storing data, and the signal transmission unit is used for sending data.

[0018] The utility model discloses an embodiment is when a pry installation formula multiphase flow metering device is in working condition, crude oil passes through liquid inlet 1 and flows into gas -liquid separation cylinder A4, gas -liquid separation cylinder B5 respectively through buffer pipe A2, buffer pipe B3, and crude oil completes the separation of crude oil liquid phase material and associated gas in gas -liquid separation cylinder A4, gas -liquid separation cylinder B5, and crude oil associated gas then enters the gas quantity detection cavity 7 in through the gas pipe A section 6 connected to the top of gas -liquid separation cylinder A4, gas -liquid separation cylinder B5, and the instantaneous flow and cumulative flow of crude oil associated gas can be measured using the gas quantity detector 8 provided at the top of the gas quantity detection cavity 7, and the crude oil associated gas with measured instantaneous flow and cumulative flow enters the hydrogen sulfide gas detection integral component 10 through the gas inlet 101 in the hydrogen sulfide gas detection integral component 10 connected with the gas quantity detection cavity 7, and the electromagnetic valve 102 in the hydrogen sulfide gas detection integral component 10 uses its self -containing controller to adjust the timer to the timing passage state, and the crude oil associated gas passes through the passage of electromagnetic valve 102 and enters the gas inlet pipe 103, and then enters the hydrogen sulfide gas detection cavity 104 through the gas inlet pipe 103, at this time, the motor 201 controls the piston core rod 202 to do the extraction stroke, and then the piston head 203 does the extraction stroke, and the one-way pressure relief valve 108 discharges the original air in the hydrogen sulfide gas detection cavity 104 in the extraction stroke, and the extraction stroke of the piston head 203 helps the outside air to enter the hydrogen sulfide gas detection cavity 104 through the one-way gas inlet valve 107, at this time, the hydrogen sulfide gas detector 105 can detect the hydrogen sulfide gas concentration in the crude oil associated gas, and if the hydrogen sulfide gas is detected, the warning light 106 is bright, when the extraction stroke of the piston head 203 reaches the limit, the self -containing controller of the electromagnetic valve 102 adjusts the timer to the timing closed circuit state, at this time, the motor 201 controls the piston core rod 202 to do the push stroke, and then the piston head 203 does the push stroke, and the push stroke of the piston head 203 helps the crude oil associated gas with detected hydrogen sulfide gas concentration to discharge the hydrogen sulfide gas detection cavity 104 through the one-way gas outlet valve 109, and the crude oil associated gas with detected hydrogen sulfide gas concentration is discharged to the gas pipe C section 11 through the one-way gas outlet valve 109, the gas outlet pipe 110 and the gas outlet 111, and the crude oil associated gas with detected hydrogen sulfide gas concentration flows through the passage of the manual valve 13 of the gas pipe D section 12, the gas pipe D section 12, the gas -liquid mixing pipe 18 and the liquid outlet 19 and is discharged.When the liquid phase material of crude oil flows through the liquid pipe 14 after passing through the lower part of the gas-liquid separation cylinder A4 and the gas-liquid separation cylinder B5, the water content of the liquid phase material of crude oil can be measured by using the water content detector 15. The liquid phase material of crude oil with measured water content data flows into the liquid volume detection cavity 16 through the liquid pipe 14. The instantaneous flow rate and the cumulative flow rate of the liquid phase material of crude oil can be measured by using the liquid volume detector 17 arranged at the top of the liquid volume detection cavity 16. The liquid phase material of crude oil with measured instantaneous flow rate and cumulative flow rate is discharged through the liquid outlet 19 after passing through the gas-liquid mixing pipe 18. According to the above operation, the sub-test of the associated gas and the liquid phase material in crude oil can be realized, and the concentration of hydrogen sulfide in the associated gas of crude oil can be detected.

[0019] The above is the preferred embodiment of the present application, it should be noted that for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and modifications, these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A skid-mounted multiphase flow metering device, characterized by, The application relates to a hydrogen sulfide gas detection device, which comprises a liquid inlet, a buffer pipe, a gas-liquid separation cylinder, a gas pipe, a gas volume detection cavity, a gas volume detector, a hydrogen sulfide gas detection integral component, a manual valve, a liquid pipe, a water content detector, a liquid volume detection cavity, a liquid volume detector, a gas-liquid mixing pipe and a liquid outlet, wherein the liquid inlet is the entrance of crude oil into the device; the buffer pipe comprises buffer pipe A and buffer pipe B, and is used for buffering large liquid volume of crude oil into the device to prevent the device from being flooded due to too large liquid volume of crude oil; the gas-liquid separation cylinder comprises gas-liquid separation cylinder A and gas-liquid separation cylinder B, and is used for separating associated gas in crude oil and liquid phase substances; the buffer pipe A is connected with the gas-liquid separation cylinder A; the buffer pipe B is connected with the gas-liquid separation cylinder B; the gas pipe comprises gas pipe A section, gas pipe B section, gas pipe C section and gas pipe D section; the gas pipe is the passage of associated gas in crude oil; the gas pipe A section is connected with the gas volume detection cavity; the top of the gas volume detection cavity is provided with the gas volume detector; the gas volume detector is used for detecting the instantaneous flow and the cumulative flow of associated gas in crude oil; the gas pipe B section is connected with the gas volume detection cavity; the hydrogen sulfide gas detection integral component comprises an air inlet, an electromagnetic valve, an air inlet pipe, a hydrogen sulfide gas detection cavity, a hydrogen sulfide gas detector, a warning lamp, a one-way air outlet valve A, an air outlet pressure relief valve, a single air outlet valve, an air outlet pipe, an air outlet, a motor, a piston core rod and a piston head; the air inlet is connected with the gas pipe B section; the air inlet is connected with the electromagnetic valve; the electromagnetic valve is connected with the air inlet pipe; the air inlet pipe is connected with the hydrogen sulfide gas detection cavity; the hydrogen sulfide gas detection cavity is connected with the hydrogen sulfide gas detector; the bottom of the hydrogen sulfide gas detector is provided with a one-way air inlet valve; the one-way air inlet valve is used for introducing oxygen in the external air and maintaining the air pressure in the hydrogen sulfide gas detection cavity to be the same as that in the external air; the hydrogen sulfide gas detection cavity is connected with the air outlet pressure relief valve; the air outlet pressure relief valve is used for discharging the original air in the hydrogen sulfide gas detection cavity; the bottom of the air inlet pipe is connected with the one-way air outlet valve; the one-way air outlet valve is connected with the air outlet pipe; the air outlet pipe is connected with the air outlet; the motor is connected with the piston core rod; the piston core rod is connected with the piston head; the air inlet in the hydrogen sulfide gas detection integral component is connected with the gas pipe B section; the air outlet in the hydrogen sulfide gas detection integral component is connected with the gas pipe C section; the gas pipe C section is connected with the gas pipe D section; the gas pipe D section is provided with the manual valve; the manual valve is the opening and closing path for controlling the associated gas in crude oil to pass through the gas pipe D section; the liquid pipe is connected with the bottoms of the gas-liquid separation cylinder A and the gas-liquid separation cylinder B and the bottom of the liquid volume detection cavity; the liquid volume detection cavity is connected with the gas-liquid mixing pipe; the gas-liquid mixing pipe is connected with the gas pipe D section and the liquid outlet.

2. A skid-mounted multiphase flow metering device according to claim 1, wherein, The top of the liquid pipe is provided with the water content detector; the water content detector is used for detecting the water content data of the liquid phase substances in crude oil.

3. A skid-mounted multiphase flow metering device according to claim 1, wherein, The top of the liquid volume detection cavity is provided with the liquid volume detector; the liquid volume detector is used for detecting the instantaneous flow and the cumulative flow of the liquid phase substances in crude oil.

4. A skid-mounted multiphase flow metering device according to claim 1, wherein, The hydrogen sulfide gas detector is provided with the warning lamp; when the hydrogen sulfide gas detector detects that the associated gas in crude oil contains hydrogen sulfide gas, the warning lamp is bright.

5. A skid-mounted multiphase flow metering device according to claim 1, wherein, The hydrogen sulfide gas detector, the gas volume detector, the liquid volume detector and the water content detector are externally provided with LED display screens.

6. A skid-mounted multiphase flow metering device according to claim 1, wherein, The electromagnetic valve in the hydrogen sulfide gas detection integral component is provided with a signal receiver, a controller and a timer, the signal receiver is used for receiving an opening or closing instruction sent by a user terminal device, the controller is used for controlling the opening or closing of the electromagnetic valve, and the timer is used for realizing the timing opening or the timing closing of the electromagnetic valve.

7. A skid-mounted multiphase flow metering device according to claim 1, wherein, The hydrogen sulfide gas detector in the hydrogen sulfide gas detection integral component is used for detecting the hydrogen sulfide gas concentration, is a hydrogen sulfide gas detector conforming to the electrochemical principle, and is provided with an LED display screen, an electrochemical sensor and an integrated data processing circuit, and the integrated data processing circuit has data processing and data transmission functions.

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