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A wastewater pH control device and wastewater treatment system

A control device and wastewater technology, applied in the fields of neutralizing water/sewage treatment, water/sludge/sewage treatment, water treatment parameter control, etc., can solve the problem of excessive adjustment, difficulty in adjusting the pH value of wastewater, and affecting the final pH value of wastewater and other problems to avoid over-adjustment and reduce the degree of damage

Active Publication Date: 2022-05-10
RAINBOW (HEFEI) LIQUID CRYSTAL GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Set acid or alkali (commonly used liquid sodium hydroxide, liquid potassium hydroxide, etc.) storage tanks, and directly add acid or alkali to the wastewater when the pH value needs to be adjusted. If there is excessive adjustment, it will affect the final pH value of the wastewater, and it is difficult to achieve the effect of adjusting the pH value of the wastewater

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  • A wastewater pH control device and wastewater treatment system
  • A wastewater pH control device and wastewater treatment system
  • A wastewater pH control device and wastewater treatment system

Examples

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no. 1 example

[0034] see figure 1 , this embodiment provides a waste water pH control device 100, which is installed at the waste water discharge place, and can precisely control the pH value of the waste water, so as to prevent the final discharged waste water from polluting the environment.

[0035]The wastewater pH control device 100 provided in this embodiment includes an adjusting solution storage tank 110, a lifting mechanism 130, a high-level metering tank 150, an acid-base control mechanism 170, and a reaction tank 190. The adjusting solution storage tank 110 is connected to the lifting mechanism 130 through a pipeline. The metering tank 150 is arranged on the top of the reaction tank 190 and is connected with the lifting mechanism 130 through a pipeline. The bottom of the high-level metering tank 150 is provided with a waste liquid discharge pipe 151, and the waste liquid discharge pipe 151 extends into the reaction tank 190. The bottom of the reaction tank 190 is provided with The...

no. 2 example

[0055] This embodiment provides a wastewater treatment system, including a wastewater inlet pipeline (not shown), a sewage pipeline (not shown) and a wastewater pH control device 100, wherein the basic structure and principle of the wastewater pH control device 100 and the resulting The technical effect is the same as that of the first embodiment. For a brief description, for parts not mentioned in this embodiment, reference may be made to the corresponding content in the first embodiment.

[0056] The wastewater pH control device 100 includes an adjusting solution storage tank 110, a lifting mechanism 130, a high-level metering tank 150, an acid-base control mechanism 170, and a reaction tank 190. The adjusting solution storage tank 110 is connected to the lifting mechanism 130 through a pipeline, and the high-level measuring tank 150 is arranged on The top of the reaction tank 190 is connected with the lifting mechanism 130 through a pipeline, the bottom of the high-level met...

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Abstract

The invention provides a waste water pH control device and a waste water treatment system, which relate to the technical field of waste water treatment. The tank is connected to the lifting mechanism through pipelines. The high-level metering tank is set on the top of the reaction tank and connected to the lifting mechanism through pipelines. The bottom of the high-level metering tank is equipped with a waste liquid discharge pipe; the acid-base control mechanism includes multiple PH detectors and control valves. group and PLC controller, multiple pH detectors are arranged in the reaction tank at intervals and electrically connected to the PLC controller, the control valve group is arranged on the waste liquid discharge pipe, and the PLC controller is electrically connected to the control valve group and the lifting mechanism respectively. Compared with the prior art, the waste water pH control device provided by the present invention can precisely control the pH value of waste water, avoid excessive adjustment, ensure that the waste water is close to neutral, and reduce the degree of damage to the environment caused by the waste water.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a wastewater pH control device and a wastewater treatment system. Background technique [0002] In the field of semiconductor manufacturing, due to the particularity of the process, wastewater with different pH values ​​is usually produced. If this wastewater is directly discharged to the outside world, it will cause great damage to the environment. Therefore, it is necessary to control the pH of the wastewater before discharge to ensure The discharged wastewater can be as neutral as possible to reduce damage to the environment. [0003] In the prior art, the commonly used pH control methods for wastewater treatment are: [0004] Set acid or alkali (commonly used liquid sodium hydroxide, liquid potassium hydroxide, etc.) storage tanks, and directly add acid or alkali to the wastewater when the pH value needs to be adjusted. In the case of excessive adjustment, it w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/66
CPCC02F1/66C02F2209/06
Inventor 陆胜
Owner RAINBOW (HEFEI) LIQUID CRYSTAL GLASS CO LTD