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VOC dynamic gas distribution instrument

A gas distribution instrument, dynamic technology, applied in the direction of instruments, scientific instruments, gas mixture analysis, etc., can solve the problem of inaccurate measurement and control of flow, low precision, calibration cycle, accurate measurement of self-set cycle, flow accuracy, Repeatability saves insufficient cost and other issues, to achieve the effect of protecting equipment and its own safety, avoiding waste, and improving accuracy and repeatability

Pending Publication Date: 2021-10-08
北京鹏宇昌亚环保科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many deficiencies in the two in actual use
At the same time, the accuracy of dilution is not high, and the flow cannot be accurately measured and controlled.
[0005] In summary, the traditional gas distribution instrument has advantages in automatic dilution, user-defined settings, calibration cycle, accurate measurement, independent control, single-point multi-point calibration, self-set cycle, flow accuracy, repeatability, cost saving, etc. All have deficiencies, therefore, in order to solve the above problems, the present invention designs a kind of VOC dynamic gas distribution instrument

Method used

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Embodiment Construction

[0024] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0025] refer to Figure 1-4 , the specific embodiment adopts the following technical solutions: VOC dynamic gas distribution instrument, including a cabinet A, the top of the front panel A1 of the cabinet A is provided with a seven-inch display screen 4, the top of the rear panel A2 is provided with a humidifier 1, and the cabinet A The center plate A3 is installed inside, and the mass flowmeter 2 and the pressure sensor 3 are arranged on the fixed bracket 9. Both the mass flowmeter 2 and the pressure sensor 3 are installed with a limited hole box 11, and the limited hole box 11 is connected with the 1 / 8 through plate 8 , one side of the vertical partition A4 in the lower part of the chassis A is provided with a switching power supply 5, a circuit...

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Abstract

The invention discloses a VOC dynamic gas distribution instrument, which comprises a case, wherein a seven-inch display screen is arranged on the upper portion of the front panel of the case, a humidifier is arranged on the upper portion of the rear panel of the case, a mass flow meter and a pressure sensor are arranged on a middle plate in the case through a fixing bracket, hole limiting boxes are mounted on the mass flow meter and the pressure sensor, the hole limiting boxes are connected with a 1 / 8 penetrating plate, a switching power supply 5, a circuit board and a fan are arranged on one side of a vertical partition plate on the lower portion in the case, a GO valve and a mixing bin are arranged on the other side of the vertical partition plate C, the GO valve is connected to the mass flow meter through a 1 / 8 three-way joint, and the mass flow meter is connected to the interior of the humidifier through the 1 / 8 penetrating plate. The VOC dynamic gas distribution instrument is reasonable in structural design, convenient to maintain and operate, capable of being provided with substances such as PAMS standard gas, internal standard gas, oxygen-containing standard gas and the like, capable of meeting the requirement for measuring the volatile organic compounds in the atmosphere, attractive and elegant in overall appearance, convenient and reliable to use, capable of saving manpower, high in safety and high in practicability.

Description

technical field [0001] The invention relates to a substance capable of configuring PASM standard gas, internal standard gas, oxygen-containing standard gas and the like. The technical field of meeting the measurement requirements of atmospheric volatile organic compounds specifically relates to a ZF-PQVOC-1008D dynamic gas distribution instrument. Background technique [0002] In order to meet the measurement requirements of atmospheric volatile organic compounds, conveniently and accurately measure the concentration and metering of various gases, the gas distribution instrument was invented. There are two main gas distribution instruments in the early stage. The first one is Entech4600 gas distribution instrument, which is suitable for 56VOC and internal standard preparation. The second is the TH-306B gas distribution instrument, which is suitable for the preparation of standard gas containing oxygen-containing volatile organic compounds and chlorinated hydrocarbons. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
CPCG01N33/007G01N33/0072
Inventor 张春超王澎蛟廖益斌刘录华罗潇于腾跃
Owner 北京鹏宇昌亚环保科技有限公司
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