An assembleable filter flue gas sampling device
A sampling device and filtering technology, which are applied in the field of assembling filter-type flue gas sampling devices, can solve the problems of rising temperature of the bong, hot, affecting the sampling work, etc., and achieve the effect of reducing the length and being easy to carry.
Active Publication Date: 2020-04-21
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
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Problems solved by technology
During the process of sampling with the bong held by the staff, the temperature of the bong will continue to rise until it becomes hot, which will affect the smooth progress of the sampling work
Method used
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Embodiment
[0034] Embodiment: a kind of filter-type flue gas sampling device that can be assembled, its structure is as follows Figure 1-3 shown, including:
[0035] Filter head 1; the filter head 1 is a hollow cylindrical structure made of metal, with a diameter of 3 cm and a length of about 5 cm.
[0036] The right end of the filter head 1 is detachably connected to the left end of the sampling gun barrel 2 through a thread pair, the right end of the sampling gun barrel 2 is detachably connected to the middle pipe 4 through a thread pair, and the middle pipe 4 is detachably connected to the sampling gun holder 5 through a thread pair ;
[0037] The interior of the filter head 1 and the intermediate pipe 4 is filled with a filter unit 15 . According to different requirements, the filter unit 15 can be selected as filter cotton or honeycomb ceramics. When using honeycomb ceramics, the number of holes is 30 / cm 2 .
[0038] Wherein, the filter head 1, the sampling gun barrel 2 and th...
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The invention relates to a filter type flue gas sampling device capable of being assembled, and belongs to the field of technical equipment related with electric power project. The device comprises a filter head; the filter head is detachably connected to one end of a sampling gun barrel; the other end of the sampling gun barrel is connected to a sampling gun hand holder; a filter unit is arranged in the filter head; a flue gas runner is arranged in the sampling gun barrel; the flue gas runner comprises an air inlet channel, a descending channel, a lifting channel, and an air outlet channel, which are communicated in sequence; a first baffle plate and a second baffle plate are arranged in the descending channel, the first baffle plate is hermetically connected to the top of the descending channel, the second baffle plate is hermetically connected to the bottom of the descending channel; the filter head, the sampling gun barrel, and the sampling gun hand holder are all provided with a card slot, and at the same time, the external side of the sampling gun hand holder is provided with a thermal insulation sleeve. Through designing a novel structure, the device is convenient to disassembly and is capable of filtering soot in the flue gas.
Description
technical field [0001] The invention relates to the field of technical equipment related to electric power engineering, in particular to an assembleable filter type flue gas sampling device. Background technique [0002] Analysis of flue gas components in power plants, mainly analyzing ash, moisture, carbon monoxide, nitrogen oxides, oxygen, sulfur dioxide, sulfur trioxide, ammonia, etc. When analyzing carbon monoxide, nitrogen oxides, oxygen, sulfur dioxide, sulfur trioxide, ammonia and other chemical substances, it is necessary to use a flue gas sampling gun to draw the flue gas out of the flue, and directly enter the instrument for analysis or access the absorption liquid for sampling and analysis. [0003] The smoke guns currently in use are long and inconvenient to carry, and there is no smoke filter device. The collected smoke affects the detection accuracy of the analysis instrument or contaminates the absorption liquid, making the analysis results inaccurate. [000...
Claims
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IPC IPC(8): G01N1/22G01N1/34
CPCG01N1/2205G01N1/2258G01N1/34
Inventor 巩泉泉王玉玺谢连科刘辉张国英马新刚臧玉魏窦丹丹王坤许立国张永江红尹建光张兆波陈超李方伟
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY