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Dynamic adsorption-type toxic gas detection device

A toxic gas, dynamic adsorption technology, used in measuring devices, suspension and porous material analysis, scientific instruments, etc., can solve the problems of easy gas leakage, inaccurate data, complicated operation, etc., to avoid reading errors and detection. Accurate data and accurate test results

Inactive Publication Date: 2013-06-26
广州市高坚劳保用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) The whole equipment is equipped with multiple connection ports, and the tightness of the connection ports is poor, which is prone to air leakage and poor sealing;
[0004] (2) The test of temperature and humidity adopts manual reading, and there may be errors in the reading;
[0005] (3) The filter element and the detection device are connected by threads, and the filter element needs to be manually tightened to avoid omission, but it is laborious to tighten the filter element and the operation is complicated;
[0007] Based on the above, the data obtained by the existing equipment is inaccurate and has errors, which threatens the health of the inspectors and causes environmental pollution

Method used

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  • Dynamic adsorption-type toxic gas detection device
  • Dynamic adsorption-type toxic gas detection device

Examples

Experimental program
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specific Embodiment 1

[0031] Such as figure 1 The shown dynamic adsorption toxic gas detection device includes a casing and a cover, and a hydraulic connector is provided at the connection between the casing and the cover, so that the connection between the casing and the cover is a hydraulic cylinder connection structure.

[0032] 1) An air purifier 1, a gas dry / humidity regulator 2, an electronic temperature / humidity meter 3, a gas flow meter 4, a gas mixer 5, a toxic gas concentration detector 8 and a timer are installed in the housing, and a Toxic gas source 7, toxic gas absorption filter 9 and penetration concentration detector 10;

[0033] 2) The air inlet of air purifier 1 is externally connected with compressed air, and the air outlet of air purifier 1 is connected to the air inlet of gas mixer 5 through gas dry / humidity regulator 2, electronic temperature / humidity meter 3 and gas flow meter 4 One; the gas outlet of the poisonous gas source 7 communicates with the gas inlet of the gas mixe...

specific Embodiment 2

[0047] Such as figure 2 As shown, the characteristics of this embodiment are: the poisonous gas source 7 adopts ammonia or sulfur dioxide, the ammonia is provided by the ammonia device, the sulfur dioxide is provided by the sulfur dioxide device, the inlet end of the air cleaner 1 is connected to the compressed air, and the air The gas outlet of the purifier 1 is connected to three pipelines, of which the two pipelines are connected to the gas dry / humidity regulator 2 through the gas humidity control valve 12 and the gas dryness control valve 13, and the gas outlet of the gas dry / humidity regulator 2 passes through The electronic temperature / humidity meter 3 and the gas flow meter 4 are connected to one of the air inlets of the gas mixer 5, and a balance valve 14 is installed on the third pipeline, and the gas outlet of the balance valve 14 is provided with a muffler 15, an ammonia device Or the gas outlet of sulfur dioxide device links to each other with two of the inlet por...

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Abstract

The invention discloses a dynamic adsorption toxic gas detection device. According to the invention, compressed air is delivered into one of the gas inlets of a gas mixer through an air purifier, a gas humidity regulator, an electronic thermometer / hygrometer, and a gas flowmeter; an outlet of a toxic gas source communicates with a second one of the gas inlets of the gas mixer. The gas outlet of the gas mixer communicates with a gas inlet of a toxic gas concentration detector and a gas inlet of a toxic gas absorption filter. The outlet of the toxic gas absorption filter is connected with a penetration concentration detector. The gas humidity regulator, the electronic thermometer / hygrometer, and the gas flowmeter form an air flow rate and air humidity regulation circuit. The toxic gas concentration detector, the toxic gas absorption filter, and the penetration concentration detector form a dynamic absorption and toxic gas detection circuit. The device provided by the invention has the advantages of simple structure, convenient operation, and precise detection data. With a waste absorption device, pollution to the atmosphere and harm to operators caused by residual toxic gas are avoided.

Description

technical field [0001] The invention relates to a detection device for toxic gas, in particular to a dynamic adsorption type detection device for toxic gas. It belongs to the technical field of gas detection equipment. Background technique [0002] People will be exposed to some toxic gases in their daily work, especially in chemical-related jobs, such as painters and chemical test inspectors. These people are often exposed to some toxic and harmful chemical reagents in their work. Therefore, in order to ensure their life, health and safety, and provide a non-polluting working environment, it is necessary to use filter elements to filter those toxic and harmful gases, so The toxic gases mentioned include benzene, ammonia, ethylene vapor or sulfur dioxide. In order to ensure the use effect of these filter elements, the protection time of filter elements is mainly tested. This test requires multiple tests with special equipment to verify its use effect. The protection time ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08
Inventor 杨云生
Owner 广州市高坚劳保用品有限公司
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