Wastewater treatment apparatus and control method thereof

A technology for wastewater treatment and configuration box, which is applied in water treatment parameter control, gaseous discharge wastewater treatment, neutralization water/sewage treatment, etc. Affect the effect of wastewater treatment to remove heavy metals and other issues to achieve the effect of improving the effect

Pending Publication Date: 2021-03-26
广州中电荔新热电有限公司
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Problems solved by technology

[0006] 3. When the desulfurization wastewater neutralization tank is in operation, it is necessary to add lime emulsion to adjust the pH value of the wastewater to the required range of 9 to 9.5. During operation, adjust the amount of lime emulsion added by adjusting the operating

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  • Wastewater treatment apparatus and control method thereof
  • Wastewater treatment apparatus and control method thereof
  • Wastewater treatment apparatus and control method thereof

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[0052]DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

[0053]In the description of the invention, it should be understood that the terms "first", "second", "third", "fourth" are used in the present invention, and cannot be understood as indicative or hints. Importance, so it is not understood to limit the limitations of the invention.

[0054]Such asfigure 1 As shown, a wastewater treatment apparatus of the present invention includes: a configuration system, a storage system, a first delivery system, a neutralization system, a second delivery system, and a control system.

[0055]The configuration system includes a configuration box 2 and a first agitator 1 provided inside the configuration case 2; a configuration case 2 is used to configure a lime emulsion, and the first agitator 1 is used to mix lime dry powder and water.

[0056]The storage system includes a stocking ...

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Abstract

The invention relates to the technical field of desulfurization wastewater pretreatment, and discloses a wastewater treatment device, which comprises a configuration system, a storage system, a firstconveying system, a neutralization system, a second conveying system and a control system, and is characterized in that the control system is electrically connected with a first liquid level meter, aconveying pump, a dosing pump and a PH detector; the invention also discloses a control method for the wastewater treatment system, which comprises the following steps: acquiring the pH value in the neutralization tank, comparing the pH value with a preset pH value, and controlling the frequency of the dosing pump according to the pH value comparison result, thereby controlling the amount of limeemulsion added into the neutralization tank by the chemical storage tank; and obtaining liquid level information of the medicine storage box, and controlling the opening and closing of the conveying pump according to the liquid level information. According to the device and the control method, the structure is simple, the operation is easy, the lime emulsion preparation precision and the neutralization tank pH value regulation precision are improved, the labor intensity of personnel is reduced, and meanwhile, the safe and stable operation of a desulfurization wastewater pretreatment system isimproved.

Description

technical field [0001] The invention relates to the technical field of desulfurization wastewater pretreatment, in particular to a wastewater treatment device and a control method thereof. Background technique [0002] At present, in the desulfurization wastewater pretreatment system of power plants, lime emulsion is widely used to neutralize the desulfurization wastewater to adjust the pH value of the wastewater, so that most of the heavy metal ions in the wastewater form insoluble hydroxides and then perform solid-liquid separation to remove heavy metals in the wastewater. In this technology, it is necessary to transport the dry lime powder in the lime dry powder silo to the lime emulsion configuration box and mix it with water to form a lime emulsion with a certain concentration, then transfer the configured lime emulsion to the lime emulsion storage tank, and then pass the lime The dosing pump of the emulsion medicine storage tank feeds the lime emulsion into the neutral...

Claims

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Application Information

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IPC IPC(8): C02F1/66C02F103/18
CPCC02F1/66C02F2103/18C02F2209/42
Inventor 袁延峰王云鹏赖健生陈晓明周丽波
Owner 广州中电荔新热电有限公司
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