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System for automatically adjusting quantity of reflux of mixed liquid

A technology of mixed liquid reflux and automatic adjustment, applied in water treatment parameter control, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problems of low adjustment accuracy and high labor cost, and achieve the adjustment accuracy High, no manual intervention, fast adjustment effect

Pending Publication Date: 2019-03-15
湖南智水环境科技有限公司
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Problems solved by technology

[0004] The invention provides a system for automatically adjusting the return flow of mixed liquid to solve the technical problems of high labor cost and low adjustment accuracy caused by manually adjusting the return flow of mixed liquid in existing sewage treatment equipment

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  • System for automatically adjusting quantity of reflux of mixed liquid

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Embodiment Construction

[0027] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered below.

[0028] Such as figure 1 As shown, the preferred embodiment of the present invention provides a system for automatically adjusting the return flow of mixed liquid, which is used to automatically adjust the process of controlling the return flow of mixed liquid in sewage treatment equipment, which reduces labor costs and improves adjustment accuracy. Sewage treatment equipment includes anaerobic reactors, anoxic reactors and aerobic reactors connected in sequence. The anaerobic reactor is used to degrade organic matter in sewage, and the anoxic reactor removes the ammonia nitrogen content in sewage through denitrification. The ammonia nitrogen component in the sewage is converted into nitrogen and ammonia, and the aerobic reactor uses aerobic activated sludge to abs...

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Abstract

The invention discloses a system for automatically adjusting the quantity of reflux of mixed liquid. The system comprises an ammonia-nitrogen detector and further comprises a mixed liquid reflux pumpand a control module, wherein the mixed liquid reflux pump is used for pumping the mixed liquid in an aerobic reactor to flow back to an anoxic reactor, the control module is used to control a workingstate of the mixed liquid reflux pump according to a detection result of the ammonia-nitrogen detector, and the ammonia-nitrogen detector and the mixed liquid reflux pump are respectively connected with the control module; and / or the system also comprises a first electric control switch element and a control module, wherein the first electric control switch element is arranged in a reflux pipe used for communicating the aerobic reactor and the anoxic reactor, the control module is used to control a working state of the first electric control switch element according to a detection result of the ammonia-nitrogen detector, and the ammonia-nitrogen detector and the first electric control switch element are respectively connected with the control module. According to the system for adjustingthe quantity of reflux of the mixed liquid, the reflux process of the mixed liquid can be automatically and quickly adjusted without manual intervention; in addition, the adjusting process is controlled by the control module, so that the adjusting accuracy is high.

Description

technical field [0001] The invention relates to the technical field of automatic control of sewage treatment equipment, in particular to a system for automatically adjusting the return flow of mixed liquid. Background technique [0002] Ammonia nitrogen in water can be converted into nitrite under certain conditions. If consumed for a long time, nitrite in water will combine with protein to form nitrosamine, which is a strong carcinogen and extremely harmful to human health. Moreover, ammonia nitrogen in water can also cause harm to aquatic organisms. Therefore, the ammonia nitrogen content in the effluent of sewage treatment equipment must meet the standard before it can be discharged. [0003] The existing sewage treatment equipment usually adopts the AAO process for sewage treatment. In order to reduce the ammonia nitrogen content in the sewage, the mixed solution in the aerobic reactor needs to be returned to the anoxic reactor to remove the nitrogen in the sewage throu...

Claims

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Application Information

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IPC IPC(8): C02F3/30C02F101/16
CPCC02F3/302C02F2301/043C02F2209/14C02F2101/16
Inventor 廖文赟蒋明杰刘双周东
Owner 湖南智水环境科技有限公司
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