Reversible staged linkage gas compression system
A gas compression system and grading technology, which is applied in the direction of multi-stage pumps, machines/engines, variable-capacity pump components, etc., can solve the problem that the compression or expansion of liquid pistons cannot be carried out at the same time, the pressure change cannot be automatically controlled synchronously, and the liquid pressure To reduce the difficulty of design and manufacture, enhance the stability of the system, and improve the compression speed
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Embodiment 1
[0073] In Example 1,
[0074] The hydraulic linkage equalization network includes a hydraulic pressure transformer stabilizer and two liquid pistons (the first liquid piston A1 and the second liquid piston A2); in the hydraulic linkage equalization network of Embodiment 1, the hydraulic pressure transformer stabilizer ensures The liquid pressure ratio of the first liquid piston A1 and the second liquid piston A2 is stable, so that the internal pressures of the first liquid piston A1 and the second liquid piston A2 change in equal proportion during the compression or expansion process. After the compression or expansion is completed, The gas is discharged in linkage; the lower ends of the first liquid piston A1 and the second liquid piston A2 are connected to the low-pressure pool group through the hydraulic pressure transformer stabilizer, the hydraulic equipment W is connected to the lower end of the first liquid piston A1, and the first low-pressure gas pipeline P1 passes thr...
Embodiment 9
[0113] Such as Figure 9 Embodiment 9 of the present invention shown, the undescribed part is the same as Embodiment 1;
[0114] Liquid pistons of different pressure levels are respectively connected to low-pressure gas pipelines and high-pressure gas pipelines that match the range of the level. The high-pressure gas pipelines of the liquid pistons and the low-pressure gas pipelines of the adjacent upper-level liquid pistons use the same pressure level, directly connected or Connected via migration unit L.
[0115] Such as Figure 9 Shown in the dotted line box is the first embodiment of the migration unit L, which is composed of the migration gas pipeline Q, the second liquid valve 3b, the third liquid valve 3c and the independent liquid driving device Y, wherein the independent liquid driving device Y is hydraulic Mechanism or water pump; the upper part of the second liquid piston A2 is connected to the upper part of the first liquid piston A1 sequentially through the seco...
Embodiment approach
[0116] In the first implementation of the migration unit L, the gas migration method that can be used is full intermittent migration, and the specific operation methods are divided into:
[0117]First preset gas: the initial state of the first liquid piston A1 and the second liquid piston A2 is full of water, open the first low-pressure gas valve 4a and the first liquid valve 3a, and inject the first liquid piston from the first low-pressure gas pipeline P1 Gas and liquid flow out to the hydraulic equipment W, close the first low-pressure gas valve 4a, and the hydraulic equipment W injects water into the first liquid piston A1 to compress the gas in the first liquid piston A1 until the gas pressure in the first liquid piston A1 reaches the migration value, close the first liquid valve 3a, open the second liquid valve 3b, the third liquid valve 3c, the first high-pressure gas valve 4b and the second low-pressure gas valve 4c, conduct the transfer gas pipeline Q, and the independ...
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