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Continuous traffic:
As a matter of fact, there is no problem, but only situation that should be solved. In order to enforce acceptable network use policies and provide security including anti-virus, anti-malware or anti-spam services computer user can use proxy servers. To lessen network traffic plus an capability to enhance network security are the most tempting and indispensable functions of proxy servers. A proxy server enhances network security by controls for receiving and forwarding (or rejecting) requests between isolated networks, for instance, forwarding requests across a firewall. A proxy server lessens network traffic by rejecting unwanted requests, forwarding requests to balance and optimize server workload, and fulfilling requests by serving data from cache in lieu of unnecessarily contacting the true destination server.
Principle: resulting in differential pressure. By differential pressure switch monitoring in and out of the nozzle pressure difference of change, when the differential pressure to set data, control device for hydraulic control valves, motor drive signal, caused by the following action: motor driving brush rotation, the filter cleaning, emission control valve to open at the same time, the whole cleaning process for dozens of seconds, at the end of the automatic brush filter when cleaning, close the valve, the motor stop running, system back to its initial state, began to filter into the next process
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