Gas mixer applicable to low-pressure gas

A gas mixing device, low-pressure gas technology, applied in the directions of gas and gas/vapor mixing, mixer, mixing method, etc., can solve the problems of increased fluid resistance, high production cost, increased investment, etc., to solve the mixing problem, Low resistance and easy control

Active Publication Date: 2013-11-27
HUAXI CHEM INST CHENGDU CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The more stages of structured packing in this mixer, the more uniform the mixing, but the investment increases, the volume increases, and the fluid resistance also increases; at the same time, this mixer is not suitable for mixing low-pressure gas and normal-pressure gas. A supercharger is installed at the inlet of the mixer as power, and the production cost is high

Method used

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  • Gas mixer applicable to low-pressure gas
  • Gas mixer applicable to low-pressure gas
  • Gas mixer applicable to low-pressure gas

Examples

Experimental program
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Effect test

Embodiment 1

[0041] A gas mixing device suitable for low-pressure gas, comprising a jet mixer 1, a fan 2, the mixed gas outlet of the jet mixer 1 is connected to the inlet of the fan 2, and the jet mixer 1 includes a Venturi jet tube 3, a mixer The casing 4, the nozzle part of the Venturi jet tube 3 is located in the mixer 1, and the mixer casing 4 is provided with an air inlet pipe 5 at an angle of 90 degrees to the Venturi jet tube 3.

Embodiment 2

[0043] A gas mixing device suitable for low-pressure gas, comprising a jet mixer 1, a fan 2, the mixed gas outlet of the jet mixer 1 is connected to the inlet of the fan 2, and the jet mixer 1 includes a Venturi jet tube 3, a mixer The casing 4, the nozzle part of the Venturi jet tube 3 is located in the mixer 1, and the mixer casing 4 is provided with an air inlet pipe 5 at an angle of 90 degrees to the Venturi jet tube 3.

[0044] The Venturi jet tube 3 is a low-pressure gas inlet tube.

Embodiment 3

[0046]A gas mixing device suitable for low-pressure gas, comprising a jet mixer 1, a fan 2, the mixed gas outlet of the jet mixer 1 is connected to the inlet of the fan 2, and the jet mixer 1 includes a Venturi jet tube 3, a mixer The casing 4, the nozzle part of the Venturi jet tube 3 is located in the mixer 1, and the mixer casing 4 is provided with an air inlet pipe 5 at an angle of 90 degrees to the Venturi jet tube 3.

[0047] The Venturi jet tube 3 is a low-pressure gas inlet tube.

[0048] A flow meter 6 and a regulating valve are arranged at the inlet of the Venturi jet pipe 3 , and a flow meter 6 is arranged at the inlet of the fan 2 .

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Abstract

The invention provides a gas mixer applicable to low-pressure gas. The gas mixer comprises a jet mixer and a fan, wherein a mix gas outlet of the jet mixer is connected with the inlet of the fan; the gas mixer further comprises a venturi jet pipe and a mixer shell; a nozzle of the venturi jet pipe is located in the mixer; the mixer shell is provided with an air inlet pipe which forms an angle of 90 degrees with the venturi jet pipe. The gas mixer provided by the invention takes negative-pressure and low-pressure gas of the inlet of the fan as driving forces; a venturi principle is used for sucking second gas to be mixed. The device is simple in structure, low in production cost and simple in control, and can effectively and uniformly mix two types of gas.

Description

technical field [0001] The invention relates to a gas mixing device, in particular to a gas mixing device suitable for low-pressure gas. Background technique [0002] Gas-to-gas mixing is usually done by Venturi jet mixing or double-helix tube mixing, but both of them require a certain pressure of the two gases to be realized. In the chemical process, the problem of mixing low-pressure gas and normal-pressure gas is often encountered, such as the mixing of micro-pressure oxygen-enriched (about 10Kpa pressure) and normal-pressure air, and the preparation of a certain concentration of oxygen-enriched gas to the burner requires mixing A gas booster is installed at the inlet of the device, resulting in high energy consumption and increased production costs. [0003] For example, 201220211775.X, a utility model patent titled "A high-efficiency ammonia-air mixer", discloses a high-efficiency ammonia-air mixer, which is composed of an injection section and an ammonia-air mixing se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/02B01F3/02B01F23/10
Inventor 蒋照华
Owner HUAXI CHEM INST CHENGDU CITY
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