Deoiling device

Abstract

A deoiling device comprises an oily wastewater tank and a clear water tank, wherein the oily wastewater tank is provided with a water inlet; the clear water tank is provided with a water outlet; a waste oil collecting device is arranged at the upper part of the oily wastewater tank; the deoiling device is characterized in that the oily wastewater tank is connected with the clear water tank through a channel; a filter screen membrane sliding rail is arranged on one side of the channel; a filter screen membrane is arranged on the channel; the filter screen membrane is provided with a filter screen membrane sliding frame matched with the sliding rail; the filter screen membrane sliding frame is matched with the filter screen membrane sliding rail to form a sliding rail pair. According to a scheme 1, when the filter screen membrane is cleaned, a water inlet pump and a water outlet pump are required to be turned off, and water in the oily wastewater tank and the clear water tank is not required to be drained; however, according to a scheme 2 and a scheme 3, when the filter screen membrane is cleaned, the water inlet pump and the water outlet pump work normally without influencing normal working of whole equipment, ultrasonic crude oil demulsifying equipment mounted in a ridged tank at the bottom of the oily wastewater tank demulsifies dirty oil suspended in water or sinking at the bottom of the oily wastewater tank, and the dirty oil floats to the water surface so as to remove the dirty oil.

Description

technical field [0001] The invention relates to the field of environmental protection, in particular to an oil removal device. Background technique [0002] The oil-water separation of oily wastewater is used in many fields, and the waste oil recovery and treatment are improper, causing environmental pollution. However, after separating the oil and water, it is necessary to recover the oil floating on the upper layer. During the recovery process, it is difficult to control the recovery ratio, that is, it is difficult to determine the oil-water interface, especially when the oil content fluctuates, the oil-water interface will change with the oil content. It is difficult to meet the requirements with fixed oil outlet or oil skimmer. The filter screen of the filter device used in the traditional process is easy to be blocked. When cleaning the dirty oil of the filter screen, the oily wastewater in the oily wastewater pool needs to be discharged, and then the filter screen is ...

AI Technical Summary

Problems solved by technology

[0002] The oil-water separation of oily wastewater is used in many fields, and the waste oil recovery and treatment are improper, causing environmental pollution

However, after separating the oil and water, it is necessary to recover the oil floating on the upper layer. During the recovery process, it is difficult to control the recovery ratio, that is, it is difficult to determine the oil-water interface, especially when the oil content fluctuates, the oil-water interface will change with the oil content. Changes and floats, it is difficult to meet the requirements with a fixed oil outlet or oil skimmer

The filter screen of the filter device used in the traditional process is easy to be blocked. When cleaning the dirty oil of the filter screen, the oily wastewater in the oily wastewater pool needs to be discharged, and then the filter screen is cleaned. In addition, the oil-water separation of the traditional oil-water separation device is not complete, and it can only rely on oil-water Density removes part of the dirty oil, but it is difficult to remove the dirty oil suspended in water or sinking at the bottom, and it requires manual oil skimming, which is labor-intensive and other disadvantages

Images