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Luxi New Energy Equipment Group Co.,Ltd

Address:No.28 Liaohe Road Economic Development Zone, Liaocheng, Shangdong, China

Contact: Pengpeng Li

Tel:86-635-8510990

M/P:86-15906356230 

Fax:86-635-8517880

Email:lipengpeng@lxhg.com

Pressure Relief Unit

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Pressure Regulator Unit

Pressure Regulator Unit

Compressed natural gas is natural gas or natural gas pipeline compressed and purified high-pressure storage and transportation to reach the use of sites, after multi-stage heat transfer, pressure regulation, measurement, and finally for customers.

Product Details

The pressure regulator unit section introduced

1, working principle

Compressed natural gas is natural gas or natural gas pipeline compressed and purified high-pressure storage and transportation to reach the use of sites, after multi-stage heat transfer, pressure regulation, measurement, and finally for customers.

2, technical parameters (for reference only, subject to actual customer requirements)

1) Flow: 50 ~ 5000Nm³ / h;

2) Structure Type: Dual-inlet, open and ready, 3000Nm³ / h above is generally more than 3 parallel;

3) Ambient temperature: -20 ~ 60 ℃;

4) working medium: CNG (compressed natural gas);

5) Intake pressure: 22MPa (maximum allowable inlet pressure 22MPa);

6) outlet pressure: 0.1 ~ 0.4MPa (according to the actual requirements of customers to adjust);

7) Intake air temperature range: -20 ~ 40 ℃;

8) Outlet temperature range: ≥5 ℃.

3, process introduction

CNG car through the high-pressure gas natural gas through the unloading device, first into the heat transfer-regulator system, in the heat transfer system after two (or one) heat transfer, two (or three) pressure regulator before re-entering Metering system, odor system (according to the actual requirements of customers and the use of operating conditions for selective installation) to the customer delivery. According to the voltage regulator mechanism can be divided into two levels and three levels of pressure regulator two modes. Regulating process is as follows:

1) The introduction of the secondary pressure regulator unit process: Firstly, connect the CNG vehicle with the high-pressure hose and the quick connector, compress the natural gas through the high-pressure ball valve, the high-pressure emergency shut-off valve and the filter and then enter the primary heat exchanger, Within the gas for the first heating, after a regulator to decompression 1.0-4.0MPa. Then enter the two heat exchanger heating, decompression after two pressure regulator to 0.1-0.4 MPa, and then into the flowmeter for volume measurement. And then after the natural gas odor (according to the actual requirements of customers and the use of working environment for selective installation), and finally for customers. CNG pressure regulating station of natural gas medium pressure, temperature, flow, hot water temperature display and control, import emergency shut-off valve control by the central console chain control (if PLC system, by the PLC system control).

2) Three-stage pressure regulator unit process introduction: CNG also passes through two-stage heat exchanger, but the pressure regulator is designed to be three-level. Under normal circumstances, the pressure after one-stage pressure regulation is 1.0-4.0 MPa. After the secondary pressure regulation Is 0.1-0.4 MPa. After the three pressure regulator is 5-50 KPa. And then through the flow meter, natural gas stinking (according to the actual requirements of customers and the use of working environment for selective installation), and finally for customers.

4, the main structure (for reference only, subject to actual customer requirements)

1) Unloading column: high pressure welding ball valve, (check valve), high pressure hose;

2) filter device: high pressure filter, low pressure filter;

3) pressure regulating part: a pressure regulating valve, two pressure regulating valve, three and pressure regulating valve;

4) safety devices: emergency shut-off valve, safety valve;

5) heating system: heat exchanger or hot water boiler system, mainly to prevent CNG pressure drop in the process of destroying the equipment;

6) Metering system: Roots flow meters, turbine flow meters or other user-specified metering devices;

7) odorant device: and the flow meter linked to the proportion of automatic odorous devices;

8) supporting instrumentation, safety equipment and testing or control system: including the scene of a secondary instrument, leak alarm, PLC and so on.


Welcome to buy the high standard and ultra light pressure regulator unit with new design from our professional manufacturers and suppliers in China. We are one of the world's leading brands. Please be free to contact our factory for more details.
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