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Constructed wetland for sewage treatment and plant configuration method thereof

A technology for constructed wetlands and sewage treatment, applied in biological water/sewage treatment, water/sludge/sewage treatment, multi-stage water treatment, etc. Secondary pollution and other problems, to achieve the effect of easy operation, beautify the landscape, and save water costs

Active Publication Date: 2019-05-10
重庆梦赛力士光电股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A large amount of alkaline sewage will be produced in the process of chemical industry, light industry and other industrial production. The existing common treatment method is that the alkaline sewage is poured into the neutralization tank from the adjustment tank, and acid water is poured into the neutralization tank. To neutralize the alkali in the alkaline wastewater, the above scheme consumes a lot of energy, does not save energy itself, produces secondary pollution, does not meet the requirements of environmental protection, and is not enough to realize the automatic system and ensure the long-term stable operation of the system

Method used

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  • Constructed wetland for sewage treatment and plant configuration method thereof

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Embodiment

[0055] The present invention provides a plant configuration method for constructed wetlands for sewage treatment, comprising the following steps:

[0056] Step 1, the industrial alkaline sewage is discharged into the sedimentation tank 1 through pipelines for sedimentation, and the primary sedimentation is recovered in a concentrated manner, and no aquatic plants are arranged in the sedimentation tank 1;

[0057] Step 2, the sewage after sedimentation enters the primary fermentation tank 2-1, and water bamboo is fully covered in the isolation area 2-3, and the primary fermentation tank 2-1 and the secondary fermentation tank 2-2 are all fermented in March Plant hibiscus lotus in October, and start cleaning in November. Immediately after cleaning, plant foxtail algae. The cleaning usually lasts for a day or two, so that the branches, leaves and roots of hibiscus lotus are not obviously in the primary fermentation tank and the secondary fermentation tank. residual;

[0058] Ste...

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Abstract

The invention belongs to the technical field of industrial sewage wetland treatment, in particular relates to a constructed wetland for sewage treatment. The constructed wetland is applied to recycling of the treated slightly-alkaline industrial sewage produced by factories. The constructed wetland comprises a sedimentation tank, a deep-water fermentation tank, a shallow-water filter tank, a large-area shallow-water wetland tank, and a deep-water reservoir, wherein the sedimentation tank, the deep-water fermentation tank, the shallow-water filter tank and the large-area shallow-water wetland tank are sequentially communicated with one another by pipelines which can be opened and closed; the large-area shallow-water wetland tank is communicated with the deep-water reservoir by a drainage channel; plants are arranged in corresponding tanks and seasonal treatment is carried out, so that an aim of sewage treatment and control is fulfilled. According to the constructed wetland disclosed by the invention, through the plant configuration and the seasonal treatment, the whole wetland keeps the spring lasting for the whole year, and powerful sewage treatment and water purification effects are still maintained, so that an aim of sewage cyclic utilization is fulfilled; moreover, the operation of the constructed wetland is simple and convenient, the construction cost and the running cost are reduced, a purification effect is good, industrialization can be realized, pollution to an environment is avoided, and the water consumption cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of industrial sewage wetland treatment, and in particular relates to an artificial wetland for sewage treatment and a plant arrangement method thereof, which is suitable for recycled use of weakly alkaline (pH value 9-10) industrial sewage produced in factories after treatment. Background technique [0002] A large amount of alkaline sewage will be produced in the process of chemical industry, light industry and other industrial production. The existing common treatment method is that the alkaline sewage is poured into the neutralization tank from the adjustment tank, and acid water is poured into the neutralization tank. To neutralize the alkali in the alkaline wastewater, the above scheme consumes a lot of energy, does not save energy, produces secondary pollution, does not meet the environmental protection requirements, and is not enough to realize the automatic system and ensure the long-term stable opera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/32C02F101/10C02F101/16C02F101/30
CPCC02F3/32C02F3/322C02F2101/105C02F2101/16C02F2101/30C02F2301/08C02F2303/04Y02W10/10Y02W10/37
Inventor 谢文以杨晓勇王辉富
Owner 重庆梦赛力士光电股份有限公司
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