The food and beverage outlets in Shenzhen are responsible for the grease trap.

According to the provisions of Article 63 of Shenzhen Drainage Regulations, it is known that the competent department shall order it to make corrections and impose a fine of more than 51,111 yuan but less than 111,111 yuan; If the circumstances are serious, the water supply may be restricted and ordered to suspend business for rectification; Those who cause damage to drainage facilities shall be liable for compensation.

the grease trap is a wastewater pretreatment structure, which is used to remove floatable oil substances in oily wastewater. The oil separation tank mostly adopts horizontal flow, and oily wastewater enters the rectangular oil separation tank through the water distribution tank. During the flow, the oil floats on the water surface and is pushed into the oil collection pipe by the oil collection pipe or the oil scraper arranged on the tank surface to flow into the dehydration tank.