1.Introduction
Seal Water Control and Monitoring System is used to monitor and control the flow and pressure of seal water in seals and system, will create the best operating environment for seals and maximize the runnability of the process. It's designed for varies sealing system(including packing and mechanical seal application) like pump, mixer and agitator.
The system includes a flow test equipment, pipe and joints, can be installed around pump. For seal water's flow and pressure automatic control, low flow alarm sensors can be used.
2. Working Theory
As showed in Picture 01, filtered cooling lubricating seal water enters the knob plate then goes into the measuring system. With in the measuring system there is a transparent flow indicator and a cylindrical floater with a white ring(flow memory pin). The white ring(flow memory pin) will drift left when struck by seal water, when the flow keeps stable, the white ring(flow memory pin) will stay static and point at a fixed scale value.
This stable seal water flows out then and enters the seals and system, which will achieve the seal and system's cooling and lubricating.
For double seal application system, seal water can flow back to knob plate, and the pressure gauge with memory pin will tell the pressure value.
After discharge, the seal water can be cyclic used.
3. Application Field
Seal Water Control and Monitoring System is wide used in cooling mechanical seals and lubricating seals. Different sealing system has a different fixed flow value, larger flow sometimes will increase water consumption. Water is supposed to be filtered to keep clean. In industrial field, there are plenty ways to control water flow, using control vale is a simple one, however, seal water control and
monitoring system can reach the maximum effects.
4. Saving Resource
Seal Water Control and Monitoring System is not only able to cool and lubricate seal faces also can monitor and control seal water's flow and pressure.
It's proved that the system can reduce water consumption by up to 80%.
6. Adjustment
(1) Adjust the red target flow mark to pre-set value(target flow).
(2) Turn on flow controlling knob, seal water will flow into valve plate and measuring instrument and push white ring(flow memory pin), white ring(flow memory pin) tells actual flow value. Then adjust flow controlling knob to make actual flow as same as pre-set value.
(3) Set up a pre-set pressure value.
(4) Adjust pressure regulating knob to achieve pre-set pressure value.
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