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Operation process and maintenance of gas enclosed air compressor
Release time:
2018-07-07
This article outlines the operation process and maintenance of gas-enclosed air compressors, and is divided into two parts: the operation process of gas-enclosed air compressors and the operation process maintenance of gas-enclosed air compressors. (1) Prepare the dry gas sealing system before commissioning, and clean the pipeline without any impurities.
This article outlines the operation process and maintenance of gas-enclosed air compressors, and is divided into two parts: the operation process of gas-enclosed air compressors and the operation process maintenance of gas-enclosed air compressors. (1) Prepare the dry gas sealing system before commissioning, and clean the pipeline without any impurities. (2) Put the filtering system into operation, and put the isolated gas two
This article outlines the operation process and maintenance of gas-enclosed air compressors, and is divided into two parts: the operation process of gas-enclosed air compressors and the operation process maintenance of gas-enclosed air compressors.
Operation process of gas-enclosed air compressor:
(1) Preparation before commissioning, dry gas sealing system pipeline blowing clean, free of any impurities.
(2) Put the filtration system into operation, put one group of isolated gas secondary sealing gas filter and one group of primary filter into operation, open the import and export valves, and put the other group into standby.
(3) Confirm to open the isolation gas before and after the cut-off valve, two sealing adjustment before and after the cut-off valve, one sealing adjustment valve before and after the cut-off valve and the two shaft end supply valve and instrument heel valve.
(4) Adjust the pressure of each seal gas, isolation gas 0.03MPa, secondary seal 0.15M Pa, primary seal gas, differential pressure control 0.04MPa.
(5) cast seal gas, open the isolation gas, secondary seal N 2 supply valve, first establish the isolation gas seal, isolation gas pressure at all points is normal before starting the lube oil pump, open the primary seal N 2 supply valve, primary seal pressure at all points is normal, open the secondary seal two shaft end supply valve, secondary seal gas pressure control 0. 15MPa.
(6) process gas import pressure is higher than the N 2 pressure, the first seal gas to process gas seal, N 2 and process gas isolated by the check valve standby.
(7) The isolation gas is always N 2, and the oil system cycle cannot be established before the isolation gas is put into use, only after the isolation gas is put into use for 10m in.
The operation process maintenance of gas enclosed air compressor:
( 1) centrifugal compressor dry gas seal operation to keep N 2, process gas clean, pressure control to be stable, temperature control at 20 50!
(2) The dry gas seal should be inspected and cleaned and replaced regularly during operation to ensure gas quality.
( 3) dry gas seal during operation, the primary, secondary, isolation gas seal must ensure that the seal gas flow and pressure is normal.
(4) dry gas seal exhaust pressure and flow rate higher than the set pressure and flow rate immediately.
(5) after the centrifugal compressor shutdown, the primary seal gas must be switched from process gas to N2 seal.
( 6) during the centrifuge shutdown, if the system pressure rises, the compressor open the low pressure cylinder and high pressure cylinder venting to ensure the flow of dry gas seal gas.
( 7) to prevent oil leakage from the oil seal contamination machine seal.
(8) regular cleaning of the seal cavity, must prevent residual impurities.
(9) dry gas seal operation, hourly records, run abnormal immediately report immediate treatment.
(10) dry gas seal sealing components design life is generally 60 months, the expiration of the rubber ring, spring, static and dynamic ring to replace. Personally, in view of the long-cycle operation of the compressor, the characteristics of a single machine without preparation, two years of continuous operation should be replaced or inspected at the appropriate opportunity.
(11) In order to protect the dry gas sealing components, the lift pressure speed of the unit is generally controlled within 2. 0MPa/m in.
When the centrifugal compressor running state N2 suddenly stop supply, should pay attention to: (1) the operator must immediately according to the operating procedures, the centrifugal compressor will hit the gate to stop.
This article outlines the operation process and maintenance of gas-enclosed air compressors, and is divided into two parts: the operation process of gas-enclosed air compressors and the operation process maintenance of gas-enclosed air compressors.
Operation process of gas-enclosed air compressor:
(1) Preparation before commissioning, dry gas sealing system pipeline blowing clean, free of any impurities.
(2) Put the filtration system into operation, put one group of isolated gas secondary sealing gas filter and one group of primary filter into operation, open the import and export valves, and put the other group into standby.
(3) Confirm to open the isolation gas before and after the cut-off valve, two sealing adjustment before and after the cut-off valve, one sealing adjustment valve before and after the cut-off valve and the two shaft end supply valve and instrument heel valve.
(4) Adjust the pressure of each seal gas, isolation gas 0.03MPa, secondary seal 0.15M Pa, primary seal gas, differential pressure control 0.04MPa.
(5) cast seal gas, open the isolation gas, secondary seal N 2 supply valve, first establish the isolation gas seal, isolation gas pressure at all points is normal before starting the lube oil pump, open the primary seal N 2 supply valve, primary seal pressure at all points is normal, open the secondary seal two shaft end supply valve, secondary seal gas pressure control 0. 15MPa.
(6) process gas import pressure is higher than the N 2 pressure, the first seal gas to process gas seal, N 2 and process gas isolated by the check valve standby.
(7) The isolation gas is always N 2, and the oil system cycle cannot be established before the isolation gas is put into use, only after the isolation gas is put into use for 10m in.
The operation process maintenance of gas enclosed air compressor:
( 1) centrifugal compressor dry gas seal operation to keep N 2, process gas clean, pressure control to be stable, temperature control at 20 50!
(2) The dry gas seal should be inspected and cleaned and replaced regularly during operation to ensure gas quality.
( 3) dry gas seal during operation, the primary, secondary, isolation gas seal must ensure that the seal gas flow and pressure is normal.
(4) dry gas seal exhaust pressure and flow rate higher than the set pressure and flow rate immediately.
(5) after the centrifugal compressor shutdown, the primary seal gas must be switched from process gas to N2 seal.
( 6) during the centrifuge shutdown, if the system pressure rises, the compressor open the low pressure cylinder and high pressure cylinder venting to ensure the flow of dry gas seal gas.
( 7) to prevent oil leakage from the oil seal contamination machine seal.
(8) regular cleaning of the seal cavity, must prevent residual impurities.
(9) dry gas seal operation, hourly records, run abnormal immediately report immediate treatment.
(10) dry gas seal sealing components design life is generally 60 months, the expiration of the rubber ring, spring, static and dynamic ring to replace. Personally, in view of the long-cycle operation of the compressor, the characteristics of a single machine without preparation, two years of continuous operation should be replaced or inspected at the appropriate opportunity.
(11) In order to protect the dry gas sealing components, the lift pressure speed of the unit is generally controlled within 2. 0MPa/m in.
When the centrifugal compressor running state N2 suddenly stop supply, should pay attention to: (1) the operator must immediately according to the operating procedures, the centrifugal compressor will hit the gate to stop.
Key words:
maintenance,gas-enclosed
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