54results about How to "Easy to discharge mud" patented technology

The invention relates to a multi-phase flow assembly type sealing coalescence oil removing apparatus, which is applicable for treatments of conventional oilfield wastewater and wastewater with low polymer concentration, and comprises a tank, a water distribution chamber, coalescence sections, a separation section, a rectification section, a water collection chamber, a mud washing system, a mud discharging system, an oil collection system and the like. Wastewater enters a water distribution section inside the tank from a water inlet pipe of the multi-phase flow assembly type sealing coalescence oil removing apparatus, and then sequentially enters the first stage coalescence section, the second stage coalescence section and the third stage coalescence section, wherein each coalescing section is filled with a coalescence filler. Effluent from the coalescence section enters the separation section, wherein the separation section is filled with oblique plates having adjustable intervals. Effluent from the separation section enters the rectification section, and then enters the water collection section, wherein the rectification section and the water collection section are separated through a baffle, and the water collection section is provided with a water outlet pipe. One end of the water outlet pipe is provided with a water collection bell mouth, wherein the water is discharged out of the multi-phase flow assembly type sealing coalescence oil removing apparatus from a water outlet through the water collection bell mouth. The apparatus has the following advantages that: oil removing efficiency is high, effluent quality is good, occupation area is small, structure design is compact, automatic control is easily achieved, inner components adopt assembly type structures, and disassembly and maintenance are easy.

A low-pressure membrane water treatment process based on a sandwich type loose floc protective layer is disclosed. An integrated type membrane coagulation reactor is adopted by the process, and mainly includes a membrane tank, a low-pressure membrane assembly arranged in the membrane tank and an aeration device arranged in the same membrane tank. The membrane tank is in series connection with a suction pump and a coagulant adding tank through a pipeline. The bottom of the membrane tank is provided with a sludge discharging valve. The coagulant is injected into the membrane tank through the coagulant adding tank through a batch-type manner so that coagulant hydrolyzed floc forms the sandwich type loose protective layer on the membrane surface. Raw water is fed into the membrane tank, treated by adsorption by the floc layer and membrane treatment, and then discharged. The process can ensure water quality of discharged water, and can effectively reduce membrane pollution at the same time, especially membrane pollution caused by low-molecular-weight organic matters. The treatment device integrating an adsorption process and a membrane process is adopted by the water treatment process, thus effectively reducing the occupied space.

The invention discloses a push-flow type waterwheel-driven biological turntable, which includes a reaction tank, a water retaining plate connected to the tank body, and a mud discharge bucket; the reaction tank includes a drive area located in the middle of the tank body and a The biological turntable area communicated with each other; a water wheel is provided in the driving area; a biological disc and a baffle are arranged in the biological turntable area, and the biological disc and the water wheel are connected through the same rotating shaft. The baffles are placed up and down from left to right; a water outlet weir and a water distribution plate are arranged on the wall at one end of the biological turntable area; a mud discharge hopper and a mud discharge pipe are arranged at the bottom of the reaction tank; The addition of baffles in the middle optimizes the hydraulic flow state of the water in the contact reaction tank, effectively prevents the short flow phenomenon in the reaction tank, averages the actual hydraulic retention time in the reaction tank, and improves the contact efficiency between the sewage and the biological turntable, thus enhancing the aerobic environment. Nitrification performance of the biorotor.