Environmental protection system for improving waste water treatment capacity
A wastewater treatment and capacity technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, aerobic process treatment, etc., can solve problems such as parking, affecting the timeliness of sewage treatment, and oxidation tanks that cannot meet the requirements of new processes , to achieve the effect of saving electricity, conveniently adding sludge, and improving environmental protection benefits
Active Publication Date: 2018-08-24
重庆兴发金冠化工有限公司
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Problems solved by technology
The new process requires reducing the COD of the effluent from the original 100mg / l to below 50mg / l. The traditional oxidation tank treatment in the environmental protection station cannot meet the new process requirements, which may lead to risks such as parking
Moreover, when it is necessary to add sludge, the environmental protection station needs to stop water intake, which affects the timeliness of sewage treatment
Method used
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Embodiment 1
[0021] After pretreatment (evaporation, distillation, sedimentation, pressure filtration), the production water of the device enters the comprehensive adjustment tank and is sent to the upflow anaerobic sludge bed (UASB). In the upflow anaerobic sludge bed, the retention type is used to Anaerobic biological treatment technology, after the three stages of hydrolysis and fermentation, hydrogen production and acetic acid production, and methane production, the gas, solid and liquid are separated by the three-phase separator on the top of the pool; the waste water from the UASB pool first enters through the water inlet pipe respectively It enters the contact oxidation tank group I and the contact oxidation tank group II with the water inlet branch pipe, and is used in parallel to ensure the normal water intake of the two contact oxidation tanks. Perform primary aeration in each contact oxidation tank group, and through the combined type of aeration system The aerobic bacteria on th...
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The invention relates to an environmental protection system for improving waste water treatment capacity. The system is composed of a water inlet pipe, an aerator pipe, a contact oxidation pool groupI, a contact oxidation pool group II, a backflow pipe, a water outlet pipe and a sedimentation basin; the two contact oxidation pool groups are arranged as one contact oxidation pool group, the waterinlet pipe and the aerator pipe are respectively connected with each contact oxidation pool group, the backflow pipe is arranged between the contact oxidation pool group I and the contact oxidation pool group II, the two contact oxidation pool groups can achieve water inflowing in series connection or parallel connection, and a secondary sedimentation tank can be used for mud returning or mutual mud returning. According to the environmental protection system, waste water treatment quantity is doubled, the waste water discharging index is reduced by 57%, the waste water discharging COD is stably controlled below 50 mg / 1, and the normal COD can be stably controlled to about 30 mg / 1.
Description
technical field [0001] The invention belongs to the field of waste water treatment and relates to an environmental protection system for improving waste water treatment capacity. Background technique [0002] Wastewater treatment methods are the use of physical, chemical and biological methods to treat wastewater, purify wastewater, reduce pollution, and achieve wastewater recycling and reuse, making full use of water resources. The aerobic biological treatment method is widely used in the biological treatment of wastewater. Through the metabolism of microorganisms, the organic pollutants in the solution, colloid and fine suspension state in the wastewater are converted into stable and harmless substances. The biological contact oxidation method is used to treat wastewater, that is, the biological reaction tank is filled with fillers by the biological contact oxidation process, and the oxygenated sewage is immersed in all the fillers, and flows through the fillers at a certa...
Claims
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IPC IPC(8): C02F3/02
CPCC02F3/02C02F2203/006Y02W10/10
Inventor 聂志红陈孝周李红松李涛秦理平赵守坤
Owner 重庆兴发金冠化工有限公司