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A temperature control method and device

A temperature control method and a technology of temperature deviation, which are applied in the direction of temperature control using electric methods, auxiliary controllers with auxiliary heating devices, etc., can solve problems such as inability to meet precise temperature control requirements, and avoid fluctuation range and fluctuation range Exceeding the standard and improving the effect of precise control

Active Publication Date: 2021-07-23
ZHEJIANG SUPCON TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, during the heat preservation period, the temperature in the reaction vessel tends to fluctuate greatly, irregularly and without a tendency to converge, thus failing to meet the precise temperature control requirements required by the process

Method used

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Embodiment Construction

[0057] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0058] Such as figure 1 As shown, it is a schematic diagram of a temperature control method provided in the embodiment of the present application, including the following steps:

[0059] S101: Obtain the first valve opening degree, the second valve opening degree and the third valve opening degree.

[0060] Wherein, the first valve opening degree is obtained based on the temperature deviation corresponding to the current moment, and the temperature deviation is a deviation value be...

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Abstract

The present application discloses a temperature control method and device. The method includes: acquiring the first valve opening degree, the second valve opening degree and the third valve opening degree. According to the opening degree of the first valve, the opening degree of the second valve and the opening degree of the third valve, the opening degree of the valve of the temperature control medium is controlled, so that the temperature in the reaction vessel is consistent with the preset temperature. It can be seen that in the process of controlling the valve opening, this method not only considers the deviation value between the temperature corresponding to the current moment in the reaction vessel and the preset temperature, but also considers the accumulated value of the temperature deviation and the temperature change rate at the current moment. Since the cumulative value of temperature deviation is considered in the process of controlling the valve opening, the problem of excessive fluctuation range and fluctuation range of the temperature in the reaction vessel can be avoided. In addition, since the temperature change rate is considered in the process of controlling the valve opening, it can be Avoid the problem of too fast temperature fluctuations in the reaction vessel, and significantly improve the precise control of the temperature in the reaction vessel.

Description

technical field [0001] The present application relates to the technical field of industrial control, in particular to a temperature control method and device. Background technique [0002] In the process of industrial production, it is necessary to perform physical or chemical reactions on industrial materials to obtain the materials required for production. At present, the industrial field realizes the heating, evaporation, cooling, and low-speed reaction processing required by the material process through the design and parameter configuration of the structure of the reaction vessel (such as a reactor). A good reaction treatment process requires precise control of the temperature in the reaction vessel according to the process requirements. [0003] In the prior art, a proportional integral differential (PID) control method is used to control the temperature in the reaction vessel, and according to the deviation value between the temperature in the reaction vessel and the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/32
CPCG05D23/32
Inventor 王荣楠吴松郭江
Owner ZHEJIANG SUPCON TECH
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