Changsha Roots Blower Bypass Adjustment Method
Changsha Roots BlowerBypass adjustment method in the blower exhaust pipe set up bypass branch, open the bypass valve can be on the exhaust diversion, thus reducing the flow into the system. The bypass adjustment is divided into two cases of venting and hitting the return flow.
- Hit reflux. For the medium that does not allow venting, such as gas, can be used to hit the return flow way to regulate the flow, but must consider the impact of the return flow on the blower exhaust temperature. To synthesize ammonia flow process of semi-water gas delivery, for example, in the blower inlet and exhaust ports set up a circuit between the small loop line, called; in the gas storage cabinet and suction tower between the introduction of a pipeline, and the blower exhaust pipe is connected to the main pipeline, constituting a large loop line. If only a small circulation line to play the return flow, while the blower is still running continuously, the return gas cycle compression will make the exhaust gas temperature rising. In fact, the small loop line is generally only used when the blower is started and backed up. In continuous operation, the large loop line can be used to return the gas to the storage and suction towers, where it is cooled and then fed into the blower.
Venting. For non-hazardous media, such as air, a bypass branch for gas venting can be installed in the blower exhaust line. Take the cement kiln as an example, due to the change of working conditions, the kiln actually needs the air volume is not constant. Requirements to reduce the amount of air supply, you can use the bypass branch of the gate valve or safety valve, the excess gas directly venting. This adjustment method is easy to operate, but the loss is relatively large, because the part of the gas that is emptied after the energy of the pressurization is completely wasted.
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