Pros and cons of one of the most popular accessories for oil extraction plants in continuous
The rule governing the design and realization of the plants oil extraction, the UNI EN 858-1 compulsory in Italy for some years now, provides the point 6.5.3 and 6.5.4, respectively, to the point that there is the presence of the shutoff valve and safety of electronic detection oils. In the various business proposals and chapters, has given high preference in recent years with respect to the valve closing detecting equipment oils, without justification.
What is the safety shut-off valve?
valve safety lock is a mechanical device that is placed in the inlet pipe or outlet of the separator and its operation is usually controlled by a float. The stratification of the oil floating on the surface is set on density of water drops below the layer of oil and a device which blocks the pipe. The purpose of this valve is to prevent the pumping of oil to the receiving body, however, not without cause serious trouble.
If the valve is positioned in the inlet pipe, not during the next rainstorm allow the flow of waste by raising the water level upstream of the piping, with the risk that the water comes out of the parking area drains or roads, flooding.
If the valve is placed in the pipe out, levels in the plant will rise and oil and water can leak out from manhole covers in addition to regurgitate in the pipes upstream.
Therefore the ns. opinion is that the safety shut-off valve can cause more trouble than good, and we prefer to place the plant in its place the electronic device for detecting oils, electrical equipment also powered by solar panels if necessary, can be detected by measuring the electrical conductivity of the laminated oil level in the tank and send a signal to schedule your time maintaining the system. The equipment can be calibrated to the desired level of accumulation in order to ensure maximum efficiency of the purification system.
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