1, diaphragm pump oil tank bottom, although there is water extraction, can not guarantee the oil, the surface must be left at least 3-5mm thick oil layer. Take 5000m3 oil tank as an example, and lose about 1-1.5t oil at a time. For the oil tank with low dewatering tank, though the remaining oil and water can be discharged into oily sewage treatment plant, the volatile oil will be evaporating and contaminating the environment during transportation.
2, diaphragm pump temporarily dumping tank, loading and unloading vehicle and oil sampling. During the process of oil refining production scheduling, oil often needs to be temporarily poured and loaded, and the oil products in the tank can be sampled and inspected. Or in order not to pollute the normal pipeline, the use of a diaphragm pump temporary pipeline can quickly and conveniently complete this task.
Fixed screw pump, diaphragm pump with 3 bottom oil recovery of oil tanker and a 3000t tanker unloading, at least 50t residual oil to warehouse partition between diaphragm pump, if thrusts out the larger displacement, can receive very good results.
4, the transportation of gas and hydrogen sulfide residue from diaphragm pump to the bottom of the refinery torch and residual sulfur and water should be concentrated and treated. Otherwise, acid corrosion equipment will be formed.
5, ceramic industry: use the pump to suck the glaze pulp, and can be used to pressure filter press.
6, diaphragm pump wells, ditch out waterlogging, waste oil in the well pipe, drain valves and maintenance, to exclude waterlogging and waste oil. Although the water pump can be exhausted, but often these places are far away from the power supply, it is very inconvenient. Using the diaphragm pump, the compressed air cylinder can be used as the power to recover the dirty oil and drain the water.
7, diaphragm pump and sewage treatment plant sludge tank cleaning wastewater treatment plant sludge tank, often accumulates a large amount of clay and silt, need cleaning, diaphragm pump suction is flexible and convenient, labor saving, time saving.
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