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A gas monitoring and purification method

A gas monitoring and gas technology, applied in chemical instruments and methods, separation methods, combustion methods, etc., can solve problems such as non-standard monitoring by monitors, and achieve the effect of improving adsorption and purification efficiency

Active Publication Date: 2021-09-28
久兴隆工程技术无锡有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a gas monitoring and purification method to solve the problem of non-standard monitoring of a single monitor proposed in the above-mentioned background technology;

Method used

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  • A gas monitoring and purification method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] S1, gas screening

[0038] Place the gas detection equipment in the environment to be tested, drive the fan 7 to rotate at 300r / min through the driver 6, quickly suck the gas to be tested into the air intake chamber 10, and filter the particles and dust sucked with the gas through the filter screen 8, The heating wire 9 heats the humid air sucked in with the gas for drying treatment, and the dried dry gas is brought into the detection tube 12 through the fan 7, and the detection gas in the detection tube 12 detects and discriminates the gas.

[0039] S2. Treatment of gas after screening

[0040] When the gas is monitored by the monitor 13 as a harmful gas, the activated carbon in the gas treatment tank 15 is used for adsorption and processing; The air pump 17 accelerates it to be quickly discharged out of the equipment. When the gas is detected as a flammable gas, it will be processed through the gas treatment tank 15 and cannot be processed. It will be fully burned in...

Embodiment 2

[0042] S1, gas screening

[0043] Place the gas detection equipment in the environment to be tested, and drive the fan 7 to rotate at 500r / min through the driver 6 to quickly inhale the gas to be tested into the air intake chamber 10, and filter the particles and dust inhaled with the gas through the filter screen 8, The heating wire 9 heats the humid air sucked in with the gas for drying treatment, and the dried dry gas is brought into the detection tube 12 through the fan 7, and the detection gas in the detection tube 12 detects and discriminates the gas.

[0044] S2. Treatment of gas after screening

[0045] When the gas is monitored by the monitor 13 as a harmful gas, the activated carbon in the gas treatment tank 15 is used for adsorption and processing; The air pump 17 accelerates it to be quickly discharged out of the equipment. When the gas is detected as a flammable gas, it will be processed through the gas treatment tank 15 and cannot be processed. It will be fully bu...

Embodiment 3

[0048] The activated carbon used in the gas monitoring purification method in embodiment one and embodiment two is selected as modified activated carbon, and the preparation process is as follows:

[0049] Step 1: After the activated carbon is ultrasonically washed in absolute ethanol, then washed with deionized water, put into a muffle furnace and dried to obtain pretreated activated carbon;

[0050] Step 2 Take 15g of pretreated activated carbon and put it into 200mL 9mol L -1 h 2 SO 4 In the modified solution, soak in a water bath, vibrate on a shaking table, filter, wash with deionized water to neutrality, seal it after drying, and obtain spare activated carbon;

[0051] Step 3 Take 200mL 10wt% NH 3 ·H 2 O solution in a Erlenmeyer flask, add 15g of standby activated carbon to the above solution, soak in a water bath, vibrate on a shaking table, filter, wash with deionized water until neutral, seal after drying, and obtain modified activated carbon.

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PUM

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Abstract

The invention discloses a gas monitoring and purification method, comprising the following steps: S1, gas screening; S2, gas treatment after screening. The gas monitoring and purification method can sample the gas by driving the fan to rotate through the air inlet chamber provided. When sampling, the filter screen will filter the particles and dust entrained in the sampling process, and the heating wire will dry the humid gas at the same time. , to ensure that the monitor will not react with water to corrode the monitor during the monitoring process, and the filter screen can ensure that the fan and internal monitor will not be damaged by particles and dust. The invention also modifies the activated carbon, which greatly improves the adsorption and purification efficiency of the gas.

Description

technical field [0001] The invention relates to the technical field of gas monitoring, in particular to a gas monitoring and purification method. Background technique [0002] Gas is one of the four basic states of matter (the others are solid, liquid, plasma). A gas can be composed of a single atom (such as a rare gas), an elemental molecule composed of one element (such as oxygen), or a compound molecule composed of multiple elements (such as carbon dioxide). A gas mixture may include various gaseous species, such as air. A significant difference between gases and liquids and solids is that the gas particles are widely spaced apart. This separation makes it difficult for the human eye to detect the colorless gas. A gas is a fluid like a liquid: it can flow, it can deform. Unlike liquids, gases can be compressed. If there is no restriction (container or force field), the gas can diffuse, its volume is not limited, and it is not fixed. The atoms or molecules of a gaseo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/10B01D53/04B01D53/26F23G7/06G01N33/00
CPCB01D46/10B01D53/04B01D53/26F23G7/06F23G2209/14G01N33/0009
Inventor 李军
Owner 久兴隆工程技术无锡有限公司