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Standard gas distribution meter

A standard gas and gas distribution instrument technology, applied in the direction of gas and gas/steam mixing, mixer accessories, chemical instruments and methods, etc., can solve problems such as external environmental interference, and achieve the effect of avoiding interference

Active Publication Date: 2012-06-27
BEIJING SDL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a standard gas distribution instrument to solve the problem that the standard gas preparation process is easily disturbed by the external environment. The specific implementation is as follows:

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0020] The embodiment of the present invention is used to provide a standard gas distributing instrument to solve the problem of poor accuracy of the standard gas in the prior art due to the influence of the external environment when preparing the standard gas. Its structural diagram is as follows figure 1 As shown, the standard gas distribution instrument includes a flow controller 1, a background gas port and a range gas port, and the standard gas distribution dev...

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Abstract

The embodiment of the invention discloses a standard gas distribution meter, which comprises a background gas opening, a measuring range gas opening and two flow rate controllers, wherein the two flow rate controllers respectively correspond to the background gas opening and the measuring range gas opening, and in addition, the standard gas distribution meter also comprises a heat insulation layer, a setting unit, a micro control unit (MCU) and a temperature control unit. During standard gas distribution, the flow rate controllers, pipelines connected between the background gas opening and the flow rate controllers and pipelines connected between the measuring range gas opening and the flow rate controllers are arranged in the heat insulation layer, and the temperature in the heat insulation layer is always kept at the constant temperature through the temperature control unit, so the flow rate controllers and the gas flowing into the flow rate controllers are stably kept at a certain temperature, and the external environment interference is avoided.

Description

technical field [0001] The invention relates to the field of gas analysis, in particular to a standard gas distribution instrument. Background technique [0002] At present, my country has a great demand for waste incineration, and the proportion of waste incineration in major cities in my country has been steadily increasing. However, the most important thing that the country cares about in the waste incineration project is environmental protection. A large amount of flue gas is discharged into the atmosphere, causing tens of thousands of tons of air pollution every year. This requires process control of the waste incineration station, and the gas analysis system is the key point of this process control. The key reference for this analytical system is the standard gas. The standard gas is used as the reference of the analytical instrument and is the benchmark for measuring the sample gas to be measured. In the prior art, the standard gas preparation instrument for prepar...

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Application Information

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IPC IPC(8): B01F3/02B01F15/04B01F15/06G01N1/38B01F23/10
Inventor 韩占恒
Owner BEIJING SDL TECH
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