A test device for simulating natural gas leakage in soil
A test device, natural gas technology, applied in the direction of measuring the acceleration and deceleration rate of the fluid, using the liquid/vacuum degree for liquid tightness measurement, etc., can solve the problem of the inability to simulate the size and direction of the pressure gradient of the leak hole, the zero point and concentration of the combustible gas Drift, detected concentration errors, etc.
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[0014] Such as figure 1 and image 3 Shown is a basic embodiment of the invention. A test device for simulating natural gas leakage in soil such as figure 1Shown includes compressed gas cylinder 1, pressure reducing valve 2, gas flow meter 3, PC computer 4, pressure-resistant hose a5-1, pressure-resistant hose b5-2, pressure-resistant hose c5-3, hard pipe a6 -1, hard pipe b6-2, combustible gas probe a8-1, combustible gas probe b8-2, combustible gas probe c8-3, combustible gas probe d8-4, combustible gas probe e8-5, combustible gas probe f8- 6. Combustible gas probe g8-7, combustible gas probe h24, gas buffer cylinder 7, multi-channel combustible gas probe controller 9, waterproof shielded cable a10, rigid hose 11, serial communication line 12, compressed gas 13, leak hole 14 , gas pressure sensor 15, air compressor 16, greenhouse 17, soil pit 18, waterproof shielded cable b22, plug 23 and waterproof solenoid valve 25. Among them, the compressed gas cylinder 1 is tightly co...
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