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Rapid flame-retardant solid combustion particle sampling device and sampling steps thereof

A sampling device and flame-retardant technology, which are applied in the field of rapid flame-retardant solid combustion particle sampling device and sampling steps, can solve the problems of sample distortion, inaccurate experimental results, loss of sampling significance, etc., and achieve tight connection and connection. tight effect

Active Publication Date: 2018-07-27
HARBIN BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] When studying the characteristics of boiler pulverized coal, it is necessary to take samples in the high-temperature furnace for analysis and research. However, when sampling with conventional sampling devices, the samples will be oxidized and burned due to air, which will distort the obtained samples and result in inaccurate experimental results. , loses the significance of sampling

Method used

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  • Rapid flame-retardant solid combustion particle sampling device and sampling steps thereof
  • Rapid flame-retardant solid combustion particle sampling device and sampling steps thereof
  • Rapid flame-retardant solid combustion particle sampling device and sampling steps thereof

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Embodiment Construction

[0027] Such as figure 1 As shown, the present invention is a fast flame-retardant solid combustion particle sampling device, including a sleeve, a filter cartridge 7 and an air pump 8, and the sleeve includes an outer tube 1 and a cooling tube 2 that are sequentially sleeved from the outside to the inside. , flame retardant tube 3 and sampling tube 4, one end of the sleeve is the sampling end, a blocking plate 5 is provided at the end of the sampling end, and an annular plate 6 is provided at the other end of the sleeve, and the annular plate 6 is located at every two Between two adjacent pipe bodies, and the sampling pipe 4 communicates with the filter cartridge 7 and the air pump 8 in sequence, such as figure 2 As shown, the blocking plate 5 and the annular plate 6 respectively form interlayers between the outer pipe 1 and the cooling pipe 2, the cooling pipe 2 and the flame-retardant pipe 3, the flame-retardant pipe 3 and the sampling pipe 4, and the interlayers are divide...

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Abstract

The invention relates to a fast flame-retardant solid combustion particle sampling device and sampling steps thereof. The device comprises a sleeve, a filter cylinder and an air pump, wherein the sleeve is communicated with the filter cylinder and the air pump in sequence, the sleeve consists of multiple layers of pipes, one end of the sleeve is a sampling end provided with a blocking plate, everytwo adjacent pipes are connected by an annular plate at the other end of the sleeve, an interlayer is formed between the adjacent pipes by the blocking plate and the annular plates, each interlayer comprises a first chamber, a second chamber and a third chamber from outside to inside, the first chamber is communicated with the second chamber, and through holes communicated with the third chamberare formed in the inner wall, close to the sampling end, of the innermost pipe; a flame retardant gas inlet, a cooling water inlet and a cooling water outlet are formed in the sleeve. One part of theinterlayer chambers formed between the interlayer sleeve tubes are used for discharging inert gas from the sampling end, and the other part of the interlayer chambers are used for cooling inert gas, so that sample distortion due to oxidation and burning of a sample by air during sampling by the sampling device can be avoided.

Description

Technical field: [0001] The invention specifically relates to a fast flame-retardant solid combustion particle sampling device and sampling steps thereof. Background technique: [0002] When studying the characteristics of boiler pulverized coal, it is necessary to take samples in the high-temperature furnace for analysis and research. However, when sampling with conventional sampling devices, the samples will be oxidized and burned due to air, which will distort the obtained samples and result in inaccurate experimental results. , losing the meaning of sampling. Invention content: [0003] In order to overcome the above-mentioned defects, the present invention provides a fast flame-retardant solid combustion particle with simple structure, which can prevent the sample taken out from oxidative combustion in a high-temperature furnace, can represent the real composition structure of the sample, and make the subsequent test results more accurate. Sampling device and its sam...

Claims

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Application Information

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IPC IPC(8): G01N1/10
CPCG01N1/10G01N2001/1006G01N2001/1031
Inventor 于强孙浩黄莺左国华李伟王明昊刘建宏翟胜兵关靖宇
Owner HARBIN BOILER
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