Operation optimization method for assisting wastewater commissioning of wet desulphurization system

A technology for wet desulfurization and operation optimization, applied in chemical instruments and methods, separation methods, control/manipulation systems, etc., can solve problems such as desulfurization efficiency decline, poor wastewater treatment effect, unplanned treatment capacity, etc., to achieve operational convenient effect

Pending Publication Date: 2020-03-24
HUANENG POWER INTERNATIONAL +2
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AI-Extracted Technical Summary

Problems solved by technology

At present, the following problems generally exist in the wet desulfurization wastewater treatment and discharge system: ① There is no effective judgment standard for the start and stop of the wastewater treatment and discharge system, resulting in large differences in the operation of the desulfurization system, wastewater treatment and discharge system; ② Wastewater treatment and discharge The system starts and stops frequently, and the operation ...
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Abstract

The invention discloses an operation optimization method for assisting wastewater commissioning of a wet desulphurization system. The operation optimization method comprises the following steps: 1) constructing a wastewater treatment and discharge online operation control system calculation model; 2) obtaining the chloride ion concentration CCl<-> of a slurry in a desulfurization tower, the chloride ion concentration C1 of the desulfurization wastewater entering the desulfurization tower and the chloride ion concentration C2 of supplemented water of the desulfurization tower, and turning to step 3) when the chloride ion concentration CCl<-> of the slurry in the desulfurization tower is greater than or equal to a preset concentration value; 3) calculating the wastewater treatment flow v ofthe desulfurization tower; and 4) sending the wastewater treatment flow v of the desulfurization tower, calculated in the step 3), to an operation picture of an operator or handheld equipment of the operator, and adjusting the flow of the wastewater entering the desulfurization tower according to the wastewater treatment flow v of the desulfurization tower by the operator. The method can accurately calculate the wastewater treatment flow of the desulfurization tower, and provides data support and operation assistance for operation of the desulfurization wastewater system.

Application Domain

Gas treatmentDispersed particle separation +3

Technology Topic

Process engineeringControl system +6

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  • Operation optimization method for assisting wastewater commissioning of wet desulphurization system
  • Operation optimization method for assisting wastewater commissioning of wet desulphurization system
  • Operation optimization method for assisting wastewater commissioning of wet desulphurization system

Examples

  • Experimental program(1)
  • Effect test(1)

Example Embodiment

[0022] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0023] refer to figure 1 , the operation optimization method of the wet desulfurization system auxiliary wastewater put into operation according to the present invention comprises the following steps:
[0024] 1) Construct the calculation model of the online operation control system for wastewater treatment and discharge;
[0025] The expression of the calculation model of the online operation control system for wastewater treatment and discharge is:
[0026]
[0027] Among them, v is the wastewater treatment flow of the desulfurization tower, V 塔 is the volume of the slurry in the desulfurization tower, C' Cl- is the chloride ion target concentration of the slurry in the desulfurization tower, and t is the planned operation time for the wastewater system to input the wastewater into the desulfurization tower.
[0028] 2) Obtain the chloride ion concentration C of the slurry in the desulfurization tower Cl- , the chloride ion concentration C of the desulfurization wastewater entering the desulfurization tower 1 and the chloride ion concentration C of the make-up water of the desulfurization tower 2 , when the chloride ion concentration C of the slurry in the desulfurization tower Cl- When it is greater than or equal to the preset concentration value, go to step 3);
[0029] Wherein, the chloride ion concentration C of the slurry in the desulfurization tower is measured using a chlorine meter Cl- , the chloride ion target concentration C′ of the slurry in the desulfurization tower Cl- The value range of 20000mg/L-40000mg/L.

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