Standard gas distribution device for gas testing system

A standard gas and test system technology, applied in the direction of gas and gas/steam mixing, mixer with rotating stirring device, mixer accessories, etc., can solve the problems of inaccurate standard gas concentration, single use, and inability to realize automatic gas distribution, etc. , to achieve the effect of realizing full automatic control, ensuring accurate concentration and easy operation

Inactive Publication Date: 2013-10-09
JIANGSU R & D CENTER FOR INTERNET OF THINGS
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Problems solved by technology

The dynamic gas distribution method can use various methods such as pressure flow control method, nozzle flow control method, electrolytic gas distribution method to equip the standa...

Method used

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  • Standard gas distribution device for gas testing system
  • Standard gas distribution device for gas testing system
  • Standard gas distribution device for gas testing system

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0025] Such as figure 1 Shown: In order to solve the problem that the existing gas distribution system can only provide a single commonly used standard gas or liquid volatile gas, and achieve the purpose of simultaneously matching liquid saturated vapor standard gas and gaseous standard gas, the present invention includes a gas bottle system 10. The gas cylinder system 10 includes a carrier gas cylinder 11 for providing carrier gas and at least one raw gas cylinder for providing raw gas; the gas outlet of the raw gas cylinder communicates with the mixing chamber 70 through a raw gas delivery pipe, and The raw material gas mass flow controller that is used to adjust and control the raw material gas delivery flow is arranged on the described raw gas delivery pipe; The gas outlet of the gas outlet is also communicated with the mixing chamber 70 through a liquid s...

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Abstract

The invention relates to a standard gas distribution device for a gas testing system. The standard gas distribution device comprises a carrier gas bottle and at least one raw gas bottle, wherein the carrier gas bottle is used for providing carrier gas; the raw gas bottle is used for providing raw gas; a gas outlet of the raw gas bottle is communicated with a mixing chamber through a raw gas delivery pipe; a raw gas mass flow controller which is used for regulating and controlling the delivery flow of the raw gas is arranged on the raw gas delivery pipe; a gas outlet of the carrier gas bottle is communicated with the mixing chamber through a carrier gas delivery pipe, and is communicated with the mixing chamber through a liquid saturated steam delivery mechanism capable of delivering liquid saturated steam into the mixing chamber; a carrier gas mass flow controller which is used for regulating and controlling the delivery flow of the carrier gas is arranged on the carrier gas delivery pipe; the mixing chamber can uniformly mix the carrier gas, the raw gas and/or the liquid saturated steam, and outputs needed standard gas. The standard gas distribution device is compact in structure, can distribute various kinds of standard gas, and is high in degree of automation, wide in application range, safe and reliable.

Description

technical field [0001] The invention relates to a gas distribution device, in particular to a standard gas distribution device for a gas testing system, belonging to the technical field of gas testing. Background technique [0002] Standard gas is a gas with one or more accurate characteristic values ​​with metrological traceability and certificates, which is used for calibration, evaluation of measurement methods or assignment of values ​​to substances. Standard gas is a standard substance, which is widely used in steel, petroleum, chemical, medical, semiconductor, electric power, metal processing and other industries. It can be used in the identification and calibration of gas analysis instruments, scientific research, environmental testing and control, quality analysis of petrochemical products, Occupational health testing, blood gas testing, etc. [0003] With the advancement of modern science and technology, the requirements for standard gases in various industries are...

Claims

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Application Information

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IPC IPC(8): B01F7/08B01F3/02B01F5/00B01F15/04B01F15/02B01F15/00B01D1/00B01D1/30B01F23/10
Inventor 王润兰曹二林吴庆王卫东陈岚
Owner JIANGSU R & D CENTER FOR INTERNET OF THINGS
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