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Spiral casing type coal fines sampling apparatus

A sampling device and volute-type technology, applied in the field of volute-type pulverized coal sampling devices, can solve the problems of unfavorable sampling at the sampling port, no sealing measures, environmental pollution, etc., and achieve easy maintenance, prevention of overflow and spillage, and easy operation. Effect

Inactive Publication Date: 2010-04-21
陆昕 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sampling tube used in the existing pulverized coal sampling device is a circular tube, and the setting of the sampling port is not conducive to sampling; moreover, there are no strict sealing measures in the whole sampling process, so the pollution to the environment is relatively serious

Method used

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  • Spiral casing type coal fines sampling apparatus
  • Spiral casing type coal fines sampling apparatus
  • Spiral casing type coal fines sampling apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] As shown in the figure: the volute type pulverized coal sampling device includes a sampling part and a conveying part. There is a sampling tube 1 in the sampling part, and the cross section of the sampling tube 1 is in the shape of a volute; The inner end of the 2 is located in the sampling tube 1, the shaft 8 of the dragon 2 extends out of the outer end of the dragon 2, and the outer end of the dragon 2 is provided with an interface 10 for connecting the sampling bottle 4. The inner end of the sampling pipe 1 is closed and blocked, so that the dragon 2 takes out the pulverized coal sample in the sampling pipe 1.

[0010] The lower end of the interface 10 is connected with the sampling bottles 6 which communicate with each other, and the control valve 5 which acts as a switch is arranged on the interface 10 . When sampling starts, the control valve 5 is opened, and when the sampling is stopped and the sampling bottle 6 needs to be taken off, the control valve 5 must be ...

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Abstract

The invention relates to a coal handling equipment for a power plant, in particular to a volute coal powder sampling device. The volute coal powder sampling device comprises a sampling part and a feeding part according to the technical scheme provided in the invention; the invention is characterized in that the sampling part is provided with a sampling pipe, and the cross section of the sampling pipe is volute-shaped; the feeding part is provided with an auger, the inner end of the auger is the sampling pipe, a shaft of the auger stretches out of the outer end of the auger, and the outer end of the auger is provided with an interface connected with a sampling bottle. The invention can improve the sampling efficiency and reduce the environmental pollution.

Description

technical field [0001] The invention relates to a coal conveying equipment used in a power plant, in particular to a volute type pulverized coal sampling device. Background technique [0002] The pulverized coal sampling device is mainly used in the power station direct blowing system, that is, the pulverized coal airflow flows from bottom to top. The coal block is crushed and enters the separator along with the hot air medium for separation. The separated qualified coal powder is randomly sampled by the coal powder sampling device and sent for inspection. The sampling tube used in the existing pulverized coal sampling device is a circular tube, and the setting of the sampling port is not conducive to sampling; moreover, there is no strict sealing measure in the whole sampling process, so the pollution to the environment is relatively serious. Contents of the invention [0003] The purpose of the present invention is to design a volute type pulverized coal sampling device...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/10
Inventor 陆昕黄燕萍
Owner 陆昕