A kind of automatic sampling device and method for high temperature and high pressure dust-containing gas

Abstract

The invention belongs to the technical field of high-temperature and high-pressure dust-containing gas sampling, and specifically relates to an automatic sampling device and a sampling method for high-temperature and high-pressure dust-containing gas, especially to an automatic sampling device and method for industrial furnaces for high-temperature and high-pressure dust-containing gas. The device includes: a chilling unit, a purification unit, a drying unit and a sampling unit. The sampling method includes the following steps: system preparation, process gas replacement, gas sampling, cycle regeneration and device initialization. The automatic sampling device and method for high-temperature and high-pressure dust-containing gas provided by the present invention have stable operation, are not easy to be blocked, are convenient for disassembly and maintenance, have a high degree of automation, simple sampling operation, and high safety, and are suitable for pilot test devices and large-scale industrialization device.

Description

technical field [0001] The invention belongs to the technical field of sampling high-temperature, dust-laden and corrosive gases, and relates to an automatic sampling device and a sampling method for high-temperature, high-pressure dust-laden gas, in particular to an automatic sampling device and method for industrial furnaces for high-temperature, high-pressure dust-laden gas. Background technique [0002] In the field of high-temperature and high-pressure dust-laden gas sampling technology, it has been difficult to achieve stable and rapid sampling. Generally, the sampling device is easy to block and has a short life; . For example, in the field of circulating fluidized bed gasification technology, the crude gas temperature is above 900°C, and the crude gas contains solid particles such as coal ash and quartz sand, and the H in the crude gas 2 S, SO 2 etc. are toxic and corrosive. Once the device is blocked during sampling, it will not only increase the work intensity of...

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Problems solved by technology

[0003] In order to overcome the shortcomings of the above-mentioned prior art, the object of the present invention is to provide an automatic sampling device and method for high-temperature, high-pressure dust-containing gas, which can realize sampling of high-temperature, high-pressure dust-containing gas, and is used to solve the current problem of high-temperature, high-pressure dust-containing gas. The device is easy to block when sampling, the service life is short, the sample is dusty, watery, and difficult to operate.

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