Neutralization reaction device and automatic control method

A reaction device and neutralization technology, applied in chemical instruments and methods, chemical methods for reacting liquid and gaseous media, feeding devices, etc. It is very good to ensure the acid-base neutralization effect and other issues

Inactive Publication Date: 2015-04-01
史学明 +1
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Problems solved by technology

[0005] But above-mentioned two kinds of patents all can have the following problems in actual production because there is no accurate control to acid solution or alkali solution: first, make in the process of carrying out reaction, the consumption of acid solution can occur more than alkali The phenomenon that the consumption of lye, or lye is more than that of acid, increases the consumption of acid or lye, which is not conducive to environmental protection; second,

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  • Neutralization reaction device and automatic control method

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Embodiment Construction

[0027] refer to Figure 1 to Figure 2 The present invention will be further described.

[0028] In the current acid-base neutralization reaction, since there is no precise control of the amount of acid or lye, in actual production, there will be the following problems: first, during the reaction, there will be acid The consumption of lye is more than that of lye, or the consumption of lye is more than that of acid, which increases the excessive consumption of acid or lye, which is not conducive to environmental protection; second, the excess acid or lye after neutralization will It affects the chemical properties (such as PH value) of the product, so that the performance that people expect the product to achieve will not be achieved, thus affecting the production of the subsequent process; third, during the entire neutralization reaction process, it is impossible to neutralize The reaction is precisely controlled in real time, so the effect of acid-base neutralization cannot ...

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Abstract

The invention discloses a neutralization reaction device. The technical scheme is that the neutralization reaction device comprises a caustic soda liquid metering tank, a caustic soda liquid barrel, an acid liquid barrel, a neutralization kettle, a PLC, a first adjusting valve and an accurate control unit, wherein two material inlets are formed in the top end of the neutralization kettle, wherein one material inlet is sequentially connected with the caustic soda liquid metering tank and the caustic soda liquid barrel, and the other material inlet is connected with the acid liquid barrel; the accurate control unit is used for accurately controlling materials; the first adjusting valve is arranged on any material inlet; the neutralization kettle is internally provided with a temperature sensor, and a temperature signal in the neutralization kettle is transmitted to the PLC so as to control the switch flow rate of the first adjusting valve by the PLC. The device and the method both can be used for accurately controlling acid liquid and caustic soda liquid in real time effectively in the neutralization reaction process, so that the neutralization effect is ensured.

Description

technical field [0001] The invention relates to the field of neutralization reaction, and more specifically relates to a neutralization reaction device and an automatic control method. Background technique [0002] Neutralization reaction is a reaction in which acid and base exchange components to form salt and water. [0003] The Chinese invention with the application number of 201310735031.7 discloses an ammonium nitrate neutralization control system, including a neutralizer, which is respectively connected with a nitric acid feed pipe and an ammonia gas feed pipe, and the top of the neutralizer is gas outlet The end is connected with the input end of the gas-liquid separator, and its output is connected with the neutralizer; the liquid outlet of the gas-liquid separator is connected with the neutralizer; the top gas outlet of the neutralizer is connected with A condenser, the output end of the condenser is provided with a first sampling valve; the connecting pipeline bet...

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Application Information

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IPC IPC(8): B01J19/00B01J10/00B01J4/02
CPCB01J4/02B01J10/00B01J19/00B01J19/0013B01J2219/00051B01J2219/00069B01J2219/00761
Inventor 史学明项小波杨勇王燕峰王旭东
Owner 史学明
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