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Oxygen content adjusting method and device for chemical process gas and electronic equipment

An adjustment method and technology of oxygen content, applied in measuring devices, instruments, scientific instruments, etc., can solve problems such as safety risks and achieve an easy-to-maintain effect

Pending Publication Date: 2022-02-08
ZHEJIANG BUSINESS TECH INST
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  • Claims
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Problems solved by technology

However, the current method of adjusting the oxygen content of the gas is generally only through a simple threshold setting, that is, when the oxygen content reaches the threshold, nitrogen is filled until the oxygen content is lower than the threshold
Such an adjustment method will cause the oxygen content of the gas to constantly change between exceeding the standard and not exceeding the standard, so that the oxygen content of the gas has been fluctuating at the critical point, and there are still safety risks

Method used

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  • Oxygen content adjusting method and device for chemical process gas and electronic equipment
  • Oxygen content adjusting method and device for chemical process gas and electronic equipment
  • Oxygen content adjusting method and device for chemical process gas and electronic equipment

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Embodiment Construction

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0039] In the following introduction, the terms "first" and "second" are only used for the purpose of description, and should not be understood as indicating or implying relative importance. The following introduction provides multiple embodiments of the present application, and different embodiments can be replaced or combined and combined, so the present application can also be considered to include all possible combinations of the same and / or different embodiments described. Thus, if one embodiment contains features A, B, C, and another embodiment contains features B, D, then the application should also be considered to include all other possible combinations containing one or more of A, B, C, D Although this embodiment may not be clearly written in the following content....

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Abstract

The invention discloses an oxygen content adjusting method and device for chemical process gas and electronic equipment. The method comprises the steps that sampling gas is obtained, and the current oxygen content of the chemical gas is calculated based on the sampling gas; the current oxygen content is continuously calculated within the preset detection duration, and the change trend of the current oxygen content is determined; and an oxygen content interval corresponding to the current oxygen content is determined, an inert gas input rate change curve within a preset adjustment duration is calculated based on the oxygen content interval and the change trend, and the real-time input rate of the inert gas is dynamically controlled and adjusted according to the inert gas input rate change curve. According to the method, the change trend of the current oxygen content is judged, and the inert gas input rate change curve is calculated to dynamically control and adjust the real-time input rate of the inert gas, so that the oxygen content in the gas generated in the chemical process can be effectively and dynamically controlled, and the oxygen content can be more easily kept in a safe oxygen content range.

Description

technical field [0001] The present application relates to the technical field of gas content adjustment, in particular, to a method, device and electronic equipment for adjusting the oxygen content of chemical process gas. Background technique [0002] The centrifuge (reactor) nitrogen protection system is widely used in reactors and various centrifuges in the pharmaceutical, food, fine chemical and other industries to detect data such as internal oxygen content and equipment internal pressure, and to protect the safety of production equipment . [0003] As we all know, the three elements of explosion are temperature, fire source, and oxygen. The three basic conditions for preventing chemical explosions exist at the same time, which is the basic theory for preventing chemical explosions of combustible substances. Among them, inert gas protection is generally used, and the oxygen concentration is maintained within a safe range by filling the centrifuge or reactor with nitrog...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/0036
Inventor 李方园
Owner ZHEJIANG BUSINESS TECH INST
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