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Contact oxidation pond

A technology of contacting oxidation and aerobic zones, applied in the field of water treatment, can solve the problems of limited purification efficiency of oxidation ponds, and achieve the effect of strengthening effect and efficiency, improving utilization rate and reducing floor space requirements.

Pending Publication Date: 2021-11-12
HUATIAN ENG & TECH CORP MCC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a kind of contact oxidation pond, to solve the problem that the purification efficiency of oxidation pond is limited

Method used

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Embodiment

[0031] Adopt the structure in the above-mentioned embodiment, in addition, the water depth of pool body 1 everywhere is equal, is all set to 3 meters, and the aspect ratio of pool body 1 is 3:2, and the area of ​​pretreatment area accounts for 25% of pool body 1, treats The zone consists of two aerobic zones and one anaerobic zone, and the area of ​​the anaerobic zone is three times that of the first aerobic zone, and the hydraulic retention time in the pool body 1 is 12-14h.

[0032] The aeration system 6 adopts a microporous aeration hose or an aeration plate, and is evenly arranged at the bottom of the aerobic zone; an aeration fan room 5 is set on the outer bank of the pool body 1, and the fan inside and the aeration system 6 pass through Pipe connection.

[0033] The impermeable soft diaphragm 4 is a PVC cord, which is provided with a galvanized steel pipe skeleton. The top of the PVC cord is fixed on the galvanized steel pipe through a floating body and a movable steel r...

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Abstract

The invention discloses a contact oxidation pond, relates to the technical field of water treatment, and aims to solve the problem that the purification efficiency of an oxidation pond is limited. The device comprises a pool body, a plurality of waterproof soft diaphragms are arranged in the pool body, and the pool body is divided into zigzag and continuous flow pushing water channels by the waterproof soft diaphragms; a pretreatment area is arranged at the water inlet end of the water pushing flow channel, a treatment area is arranged behind the pretreatment area, aerobic areas and anaerobic areas are alternately distributed in the treatment area, and the aerobic areas are arranged at the two ends of the treatment area; according to the water flow direction, the water area of the next anaerobic zone of the aerobic zone is 2-4 times that of the aerobic zone; a plurality of frame biological fillers are arranged in the treatment area along the water pushing water channel, an aeration system is mounted at the bottom of the aerobic area, and floating plants with developed root systems are planted on the aerobic area and / or the water surface around the aerobic area; the hydraulic retention time is short, the distribution and area proportion of the anaerobic zone and the aerobic zone are reasonably set, and the problem that the purification efficiency is limited due to unreasonable design is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a contact oxidation pond. Background technique [0002] Oxidation pond is a general term for facilities that use natural purification capabilities to treat sewage. Its purification project is similar to the self-purification process of natural water bodies, relying on microorganisms, algae and plants growing in the pond to treat sewage. The biological contact oxidation method refers to the aerobic biofilm sewage treatment method. The system consists of fillers submerged in sewage, biofilms on the surface of the fillers, an aeration system and a pool body. Under aerobic conditions, the sewage is in full contact with the biofilm fixed on the surface of the filler, and the organic matter and nutrient salts in the sewage are removed through biodegradation, so that the sewage is purified. [0003] The purification efficiency of traditional oxidation ponds is limited, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F3/32C02F3/02
CPCC02F3/301C02F3/30C02F3/02C02F3/32C02F3/325Y02W10/10
Inventor 朱光宇
Owner HUATIAN ENG & TECH CORP MCC
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