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A method and detection device for controlling dissolved oxygen in sewage aerobic treatment

A detection device and water pipe technology, which is applied in water treatment parameter control, aerobic process treatment, water/sludge/sewage treatment, etc., can solve problems such as troublesome start and stop, cumbersome detection process, etc., to save time and manpower, save Energy, the effect of ensuring stability

Active Publication Date: 2021-01-15
COFCO RONGS BIOTECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

First, the detection process is cumbersome, and second, it is troublesome to start and stop

Method used

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  • A method and detection device for controlling dissolved oxygen in sewage aerobic treatment
  • A method and detection device for controlling dissolved oxygen in sewage aerobic treatment
  • A method and detection device for controlling dissolved oxygen in sewage aerobic treatment

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Embodiment Construction

[0042] The invention provides a method for controlling dissolved oxygen in sewage aerobic treatment and a detection device thereof.

[0043] figure 1 It is a flowchart of a method for controlling dissolved oxygen in sewage aerobic treatment of a preferred embodiment of the present invention; figure 2 It is a schematic structural diagram of a detection device in a preferred embodiment of the present invention; image 3 It is a three-dimensional structure diagram of a detection device in a preferred embodiment of the present invention; Figure 4 It is a perspective view of a water drawing pipe in a preferred embodiment of the present invention; Figure 5 It is a structural schematic diagram of a water flow conveying device in a preferred embodiment of the present invention.

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the presen...

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Abstract

The invention discloses a control method and detection device of sewage aerobic treatment dissolved oxygen. The control method includes: using a dissolved oxygen tester to cooperate with the detectiondevice to detect dissolved oxygen content in an aerobic tank; transmitting the dissolved oxygen content obtained by detection to a computer data processing system; comparing the dissolved oxygen content with set upper-lower limit data of dissolved oxygen content by the computer data processing system. Processing is realized through a computer software data system, the on-site dissolved oxygen tester is mounted in the aerobic tank, data are connected into the computer data processing system which sets a dissolved oxygen range, an air compressor is automatically started to aerate the aerobic tank when dissolved oxygen content reaches a lower limit, and the air compressor is stopped from running when the dissolved oxygen content reaches an upper limit, so that automatic aerobic aeration is realized, running stability of a sewage treatment aerobic system is ensured, and energy is saved. A sampling pipe is arranged in the aerobic tank, direct sampling analysis of sewage at different depthand height can be realized, manual collection is not needed, and continuous sampling analysis can be realized, so that time and manpower are saved.

Description

technical field [0001] The invention relates to a method for controlling dissolved oxygen, in particular to a method for controlling dissolved oxygen in sewage aerobic treatment and a detection device thereof. Background technique [0002] Oxygen dissolved in water is called dissolved oxygen DissolvedOxygen, abbreviated as DO, and dissolved oxygen exists in water in a molecular state. The amount of dissolved oxygen in water is one of the important indicators to measure water quality and aerobic treatment. [0003] There are two factors that affect the dissolved oxygen content in the aerobic stage of sewage treatment: one is the oxygen consumption that reduces DO, including the oxygen consumption in the degradation process of aerobic organic matter and the oxygen consumption of biological growth; the other is the increase in DO Oxygenation mainly uses an air compressor for aeration to increase oxygen supply and dissolution. The combined effect of these two effects makes the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/02G05B19/04G01N27/00
CPCC02F3/02C02F2209/22G01N27/00G05B19/04Y02W10/10
Inventor 许计锋吕大鹏佟金萍
Owner COFCO RONGS BIOTECH
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