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Standard gas distribution control method and system and standard gas distribution instrument

A technology of standard gas distribution and control method, applied in the field of standard gas distribution control and standard gas distribution instrument, can solve problems such as standard concentration deviation and gas analysis system calibration error, and achieve the effect of avoiding errors

Active Publication Date: 2016-07-27
BEIJING SDL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Due to the limited conditions of the production site, the on-site gas distribution process is generally carried out under working conditions, and the temperature of the working conditions and standard conditions will generally be different, resulting in the concentration of the standard gas configured by the standard gas distribution instrument. The working condition concentration under this working condition deviates from the standard condition concentration under the standard condition required for calibrating the gas analysis system, which will cause certain errors when using the standard gas to calibrate the gas analysis system

Method used

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  • Standard gas distribution control method and system and standard gas distribution instrument
  • Standard gas distribution control method and system and standard gas distribution instrument

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Embodiment 1

[0043] figure 1 It is a flow chart of the steps of a standard gas allocation control method provided in the embodiment of the present application.

[0044] Such as figure 1 As shown, the standard gas distribution control method provided in this embodiment is applied to the standard gas distribution instrument, and the standard gas distribution instrument is used to output the standard gas used for calibrating the gas analysis system. The specific control method includes the following steps:

[0045] S101: Obtain the preset working condition concentration value of the standard gas under the current working condition.

[0046] That is, after the standard gas gas distribution instrument controls the flow rate of the carrier gas and the reagent, and performs quantitative vaporization and mixing to obtain the standard gas under the working condition, the concentration of the standard gas under the working condition is obtained through the corresponding sensor. Distinguished, the ...

Embodiment 2

[0057] figure 2 It is a flow chart of the steps of a standard gas allocation control method provided in another embodiment of the present application.

[0058] Such as figure 2 As shown, this embodiment is a partial modification to the previous embodiment, and the complete control steps are as follows:

[0059] S201: Obtain the preset working condition concentration value of the standard gas under the current working condition.

[0060] That is, after the standard gas gas distribution instrument controls the flow rate of the carrier gas and the reagent, and performs quantitative vaporization and mixing to obtain the standard gas under the working condition, the concentration of the standard gas under the working condition is obtained through the corresponding sensor. Distinguished, the concentration is called the working condition concentration value C 1 .

[0061] S202: Obtain the working condition temperature of the current working condition.

[0062] That is, use the...

Embodiment 3

[0072] image 3 A structural block diagram of a standard air distribution control system provided for another embodiment of the present application.

[0073] Such as image 3 As shown, the standard gas distribution control system provided in this embodiment is applied to the standard gas distribution instrument, and the standard gas distribution instrument is used to output the standard gas used for calibrating the gas analysis system. The specific control system includes the first acquisition module 10 , second acquisition module 20 , first calculation module 30 and second calculation module 40 .

[0074] The first acquisition module 10 is used to acquire the preset working condition concentration value of the standard gas under the current working condition.

[0075] That is, after the standard gas gas distribution instrument controls the flow rate of the carrier gas and the reagent, and performs quantitative vaporization and mixing to obtain the standard gas under the wor...

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Abstract

The application discloses a standard gas distribution control method and system and a standard gas distribution gauge.The method comprises the specific steps: acquiring preset condition concentration value of standard gas under current conditions, using a temperature sensor to acquire condition temperature under current conditions, calculating the condition temperature by an ideal gas equation to obtain a concentration correction coefficient, and correcting and calculating the condition concentration value by the concentration correction coefficient to obtain a standard concentration value of the standard gas under standard condition.The condition concentration under working condition can be corrected into the standard condition concentration under standard condition through the above conversion, and an operator can calibrate a gas analysis system according to the standard condition concentration value, thus avoiding errors generated during calibrating of the gas analysis system.

Description

technical field [0001] The present application relates to the technical field of environmental protection, and more specifically, relates to a standard gas distribution control method, system and standard gas distribution instrument. Background technique [0002] In my country's "National Urban Domestic Garbage Harmless Treatment Facilities Construction "Eleventh Five-Year" Plan", it is pointed out that in cities with developed economy, domestic garbage calorific value meets the conditions, and land resources are tight, the development of incineration treatment technology can be increased; newly added cities There are 479 facilities for the harmless treatment of domestic waste, including 82 waste incineration plants, accounting for 17.1%. The average daily processing capacity of a single incineration plant is about 810 tons. And during the "Eleventh Five-Year Plan" period, it is planned that the harmless treatment rate of urban domestic waste will reach 70%, and the planned t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28B01F15/04B01F3/02B01F15/00B01F23/10
CPCG01N1/28G01N2001/2893B01F23/12B01F35/2115B01F35/2132B01F35/2202B01F35/80
Inventor 敖小强韩占恒
Owner BEIJING SDL TECH
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