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Gas dilution and mixing system

A mixing system and gas mixing technology, applied in the directions of gas and gas/vapor mixing, mixers, mixing methods, etc., can solve problems such as inability to prepare, and achieve the effects of effective absorption, environmental protection, and easy operation.

Inactive Publication Date: 2016-05-04
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem that the existing equipment for mixed gas cannot prepare special fumigant gas for simulating air pollution environment for fumigation test, which requires the gas to be toxic and corrosive, low in concentration, easy and quick to obtain, and low in cost, and proposes a gas Dilution, Mixing System

Method used

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specific Embodiment approach 1

[0018] Specific implementation mode one: combine figure 1 and figure 2 Describe this embodiment, this embodiment includes the first dilution gas cylinder 1, the first dilution gas delivery pipe 4, the gas mixing box 5, the box cap 6, the connector 7, the gas temporary storage box 8, the fixed plate 9, the gas mixing bottle 10. Sleeve 11, threaded pipe 12, bolt plug 15, deflector 17, intake pipe 18, second dilution gas delivery pipe 20, second dilution gas cylinder 21, composite concentration detector 22, three-way valve 23 , storage pipeline 24, gas absorption pipe 25, user connection 26, gas compression drying device 27, storage connection 28, storage 29, connecting pipe 30, delivery pipe 31, gas adsorption device 35, several gas pressure reducers 2, several A flow meter 3 and several plugs 16, the gas mixing box 5 is composed of a circular box 5-1 and a cone box 5-2, the circular box 5-1 and the cone box 5-2 are set up and down, and the fixed plate 9 is horizontally set on...

specific Embodiment approach 2

[0019] Specific implementation mode two: combination figure 1 To illustrate this embodiment, the inner wall of the gas mixing box 5, the inner and outer walls of the gas mixing bottle 10, the inner and outer walls of the sleeve 11, and the inner and outer walls of the threaded pipe 12 in this embodiment are all coated with a coating. The coating is alumina, titania or zirconia. This design makes the above-mentioned components have anti-corrosion and anti-oxidation functions. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0020] Specific implementation mode three: combination figure 1 The present embodiment will be described. The gas mixing box 5 of the present embodiment is a two-lobed fastening type. This design can manually adjust the length of the lower end surface of the threaded pipe 12 protruding from the sleeve 11, and control the blocking quantity of the plug 16 on the air inlet hole 10-2-1. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

In order to solve the problems that existing gas mixing equipment is unable to prepare special fumigation gas meeting the requirements of simulating atmospheric pollution of the environment for toxicity, corrosivity, low concentration, simplicity and rapidness, and low cost in fumigation test, the invention provides a gas dilution and mixing system. A gas mixing bottle is arranged in a cone box, each air inlet hole is provided with a seal plug, a sleeve is arranged in the bottle neck, a threaded pipe is arranged in the sleeve and is in threaded connection with the sleeve, the lower end of the threaded pipe is located in the gas mixing bottle, the upper end is located in a round box and is connected to the inner ring of a connecting piece, the outer ring of the connecting piece is in connection with a first diluent gas delivery pipe, the first diluent gas delivery pipe is connected to a first diluent gas steel cylinder, a flow channel is arranged below a guide plate, an air inlet pipe is connected to a second diluent gas steel cylinder, a gas temporary storage box is arranged at the top of a round box and is connected to a three-way valve through a connecting pipe, and the three-way valve is in connection with a gas absorption pipe, a user adapter pipe and a storage. The gas dilution and mixing system provided by the invention is used for diluting or mixing gas.

Description

technical field [0001] The invention relates to a gas dilution system, in particular to a gas dilution and mixing system. Background technique [0002] In recent years, regional air pollution events such as acid rain, haze and photochemical smog have occurred frequently in many places in my country; inhalable particulate matter (PM2.5, PM10), nitrogen dioxide (NO 2 ), sulfur dioxide (SO 2 ) and so on remain high. Aiming at the problems of air pollution and prevention; some experts and scholars simulate the air pollution environment through gas fumigation, and discuss the characteristics of greening plant deposition, response to air pollutants, and Influencing factors and underlying mechanisms. The special fumigant gas (such as NO 2 , SO 2 ) should have the following characteristics: (1), toxic and corrosive; (2), low concentration, generally 100μg / m 3 Below; (3), bottled, small storage capacity and repeated preparation; (4), the lower the concentration, the more expens...

Claims

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Application Information

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IPC IPC(8): B01F13/00B01F15/04B01F3/02B01F23/10
CPCB01F23/10B01F33/00B01F33/12B01F35/2132B01F35/82B01F35/883
Inventor 胡彦波胡艳军曲艺
Owner NORTHEAST FORESTRY UNIVERSITY
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