Anti-adhesion sampling head of soot sampling gun

A technology of sampling head and sampling gun, which is applied in the direction of sampling device, etc., can solve the problems such as the difficulty of picking up the sampling filter cartridge, the adhesion of non-sampling impurities, the adhesion and damage of the filter cartridge, etc., and achieves convenient disassembly and use, simple structure and improved sampling quality Effect

Active Publication Date: 2011-11-23
ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER +1
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The anti-adhesion sampling head of the smoke sampling gun provided by the present invention solves the problem of the adhesion between the existing sampling filter cartridge and the sampling head of the smoke sampling gun, which makes it difficult to remove the sampling filter cartridge after the sampling work is completed and causes non-sampling impurities to stick together to the sampling filter cartridge or cause the filter cartridge to stick and damage, resulting in the sampling sample not being able to truly and accurately reflect the actual situation and results

Method used

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  • Anti-adhesion sampling head of soot sampling gun

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Embodiment Construction

[0010] An anti-adhesion sampling head of a smoke sampling gun, comprising a main body 1 of a circular tube-shaped smoke sample head, a circular tube-shaped filter cartridge holder 4 with square holes on the wall, a fixed ring 6 of a smoke inlet end, and an air inlet end cover of the sampling head body 7, the circular tube-shaped filter cartridge frame 4 is movably arranged in the circular tube-shaped dust sampling head main body 1, and the annular protruding edge 5 provided at the entrance of the circular tube-shaped filter cartridge frame 4 is connected with the circular tube-shaped smoke dust sampling head The annular groove 3 arranged on the entrance of the inner wall 2 of the main body 1 is movable, and the cover body 7 of the air intake end of the sampling head is connected with the entrance of the main body 1 of the circular pipe-shaped air dust sampling head through the fixed ring 6 of the air intake end of the sampling head. The inner wall of the entrance of the tubular...

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Abstract

The invention discloses an anti-adhesion sampling head of a soot sampling gun, thus solving the present problem of adhesion between a sampling filter cylinder and the sampling head of a soot sampling gun. The anti-adhesion sampling head comprises: a circular tube type soot sampling head main body (1), a circular tube type filter cylinder holder (4) that is movably installed inside the circular tube type soot sampling head main body (1), a soot inlet end fixing ring (6) and a sampling head inlet end cover body (7) which is connected together with the circular tube type soot sampling head main body (1) through the soot inlet end fixing ring (6), an ring flange (5) positioned at the entrance of the circular tube type filter cylinder holder (4), concave semicircle anti-adhesion lines in a mesh arrangement are disposed on the inside wall at the entrance of the circular tube type filter cylinder holder (4), with the capping plug of the sampling head inlet end cover body (7) coated with a Teflon anti-adhesion coating. The an anti-adhesion sampling head of a soot sampling gun in the invention improves the sampling quality of a soot gun and is suitable for various soot sampling devices.

Description

technical field [0001] The invention relates to a sampling device for boiler flue dust in a thermal power plant, in particular to a flue dust sampling head of a flue dust sampling gun. Background technique [0002] Smoke and dust sampling is an important part of boiler and dust collector performance test and environmental protection monitoring test. In the boiler smoke and gas emission test and environmental protection monitoring, the smoke and dust sampling should be stopped at different positions of the boiler flue for sampling. Due to the high temperature and humidity of the boiler flue gas, and the erratic conditions of the location of the sampling head, the smoke sampling filter cartridge is often damp and wet, and after fastening and compacting, it will stick to the sampling head of the smoke sampling gun, resulting in the sampling work being completed. , It is difficult to remove the sampling filter cartridge, and the non-sampling impurities are adhered to the sampli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/20
Inventor 宋跃平
Owner ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER
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