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How good can a pop stick be?Shandong skid mounted natural gas pipeline pressure test system scheme "SHOW"
Hits: 5133 Entry time: March 23, 2016
1. Environmental conditions for users:
(1) The vertical height is less than 100m; ⑵ The ambient temperature is greater than 5C °.
2. Long distance pipeline parameters:
The pipeline is Φ 400, with a length of 17km, a detection pressure of 6Mpa, and a volume of about 2136m ³;
3. Relevant equipment parameters:
⑴ Motor driven high-pressure pump:
Motor driven high-pressure pump: 1 set Model: 3DSY12900/10 Name: High pressure pump Flow: 12.9m3/h Pressure: 10MPa Weight: 1100kg Power: 37KW Dimension (L x W x H) mm: 1800 * 1300 * 900
⑵ Motor driven horizontal multistage centrifugal pump: 1 or 2 sets
Model: CDL85-50 Name: multistage centrifugal pump Flow: 100m3/h Lift: 130m Weight: 340KG Motor power: 37KW Dimension (L x W x H) mm: 400 * 350 * 1700
4. Process flow:
(1) One or two multi-stage centrifugal pumps with a flow of 100m3 and a lift of 100m are used to inject water into the long-distance pipeline at low pressure and large flow. When the injection pressure reaches 0.5-0.8Mpa, the multi-stage centrifugal pump stops and the manual pressure relief valve at the output end of the multi-stage centrifugal pump is opened. The one-way valve at the output end of the multi-stage centrifugal pump automatically cuts off the connection between the multi-stage centrifugal pump and the long-distance pipeline. ⑵ Start 3DSY12.9/10 high-pressure pump for high-pressure water injection. ⑶ When the high-pressure water injection pressure reaches the detection pressure of the long-distance pipeline, the high-pressure pump stops, the manual pressure relief valve at the output end of the high-pressure pump is opened, and the one-way valve at the output end of the high-pressure pump automatically cuts off the connection between the high-pressure pump and the long-distance pipeline. The long-distance pipeline is in the pressure maintaining stage, observe whether the pressure of the pressure gauge or sensor drops, and judge whether there is leakage in the long-distance pipeline. When the pressure maintaining is completed,Open the manual unloading valve at the rear end of the check valve, remove the pressure in the long-distance pipeline, and the pressure test is completed.
