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Sampling device and sampling method for coal mill

A technology of sampling device and coal mill, applied in the direction of sampling device, cleaning method and utensils, chemical instruments and methods, etc., can solve problems such as clogging of filter elements, achieve the effect of preventing clogging and ensuring the use efficiency

Pending Publication Date: 2022-07-12
内蒙古京能盛乐热电有限公司 +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In related technologies, the cleaning method of the filter element adopts a combination of internal blowing and external blowing, which cannot solve the problem of blockage of the filter element of the sampling device used in the coal mill

Method used

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  • Sampling device and sampling method for coal mill
  • Sampling device and sampling method for coal mill
  • Sampling device and sampling method for coal mill

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Embodiment Construction

[0033] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0034] The sampling device for a coal mill according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0035] like Figure 1-5 As shown, the sampling device for a coal mill according to the embodiment of the present invention includes a casing 1 , a sampling pipe 2 , a first pipe 3 and a friction member 4 .

[0036] The sampling tube 2 is along its axial direction (eg figure 1 The left and right directions shown) are movably penetrated in the housing 1, and the sampling tube 2 has a sampling end 21 and a mounting end 22 in its axial direction. Sweep sampling tube 2....

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Abstract

The invention discloses a sampling device for a coal mill and a sampling method.The sampling device for the coal mill comprises a shell, a sampling pipe, a first pipe and a friction piece, the sampling pipe is movably arranged in the shell in a penetrating mode in the axial direction of the sampling pipe, the sampling pipe is provided with a sampling end and a mounting end in the axial direction of the sampling pipe, and the mounting end is suitable for being communicated with a pipeline; the first pipe is arranged in the shell in a penetrating mode, one end of the first pipe and the sampling end are oppositely arranged at intervals in the inside and outside direction so that dust at the sampling end can be blown out of the sampling pipe through the first pipe, the friction piece is arranged in the shell, the sampling end of the sampling pipe is arranged in the friction piece in a penetrating mode, and when the sampling pipe moves in the shell, the friction piece is arranged in the shell. Therefore, the friction piece can clean accumulated dust on the sampling end. The sampling device for the coal mill has the advantages of being not prone to blockage, simple in structure, long in service life and the like.

Description

technical field [0001] The invention relates to the field of flue gas component detection, in particular to a sampling device and a sampling method for coal mills. Background technique [0002] The coal mill is the main auxiliary equipment of the pulverizing system of the coal-fired unit of the thermal power plant. It is a power mechanical device that grinds the raw coal to meet the fineness of the suspension combustion of the boiler. CO gas and carbon, the heat generated at the same time makes the gas inside the coal mill insufficiently burned, and a large amount of CO gas is generated. The concentration of CO gas increases, which reduces the ignition point of the combustible substances in the coal mill and increases the risk of fire or explosion of the coal mill. sex. [0003] In the related art, the sampling device for the coal mill is easily blocked, the maintenance workload is large, and the cost is high. SUMMARY OF THE INVENTION [0004] The present invention is ma...

Claims

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Application Information

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IPC IPC(8): G01N1/24B08B9/023B08B9/032
CPCG01N1/24B08B9/023B08B9/0328Y02A50/20
Inventor 李染生彭志敏张奇李俊何川付喜亮刘贵喜孟浩赵凯张宏元樊景星
Owner 内蒙古京能盛乐热电有限公司
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