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Sealed integrated smoke collection test device

A test device and an integrated technology, which is applied in the field of integrated flue gas collection and test devices, can solve problems such as the adverse effects of flue gas composition testing and temperature testing, achieve good sealing performance, improve work efficiency, and save disassembly and installation work Effect

Inactive Publication Date: 2013-09-25
STATE GRID CORP OF CHINA +1
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The invention provides a sealed integrated flue gas collection and testing device to solve the adverse effects caused by the air leakage of the sampling hole on the flue gas composition test and temperature test during the test process

Method used

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  • Sealed integrated smoke collection test device
  • Sealed integrated smoke collection test device
  • Sealed integrated smoke collection test device

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Embodiment Construction

[0033] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0034] Such as figure 2 As shown, the present invention proposes a sealed integrated smoke collection and testing device, and the sealed integrated smoke collection and testing device includes:

[0035] The sampling hole base 14 is arranged at the sampling hole of the flue 1 to be tested, such as Figure 6 , the sampling hole base 14 has a through hole 146 communicated with the flue to be tested, such as figure 1 , a plurality of sampling holes 10 are provided on the outer wall of the flue 1 to sample and measure different positions of the flue 1, for example, a plurality of sampling holes 10 are provided on the same section of the outer wall of the flue 1, figure 1 The direction of the arrow in indicates the flow direction of...

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Abstract

The invention provides a sealed integrated smoke collection test device. The sealed integrated smoke collection test device comprises a sampling hole substrate, an outer sleeve, a smoke sampling pipe, a thermoelectric couple and an annular sealing disc, wherein the sampling hole substrate is arranged in a sampling hole of a to-be-tested flue, and the sampling hole substrate is provided with a through hole which is communicated with the to-be-tested flue; the outer diameter of the outer sleeve is smaller than the inner diameter of the through hole of the sampling hole substrate; the smoke sampling pipe is arranged in the outer sleeve; the thermoelectric couple is pre-installed outside the smoke sampling pipe and arranged in the outer sleeve; the annular sealing disc is sleeved outside the outer sleeve, the sealing disc is in sealing connection with the outer sleeve, and the outer diameter of the sealing disc is greater than the inner diameter of the through hole of the sampling hole substrate. By adopting the sealed integrated smoke collection test device, the influence of leaked air from the sampling hole on a test of smoke components and a temperature test can be well solved, the use is convenient, a great amount of in-situ installation and length calibration work can be saved, the test time can be saved, and the test efficiency and the test precision can be improved.

Description

technical field [0001] The invention relates to the field of flue gas measurement, in particular to an integrated flue gas collection and testing device with a seal. Background technique [0002] Flue gas composition test and temperature test are necessary test contents in the performance test of power plant boilers. The flue gas composition refers to the mixed gas generated after pulverized coal is burned in the furnace. The main components include: O2, CO2, SO2, CO, NOx, N2, etc. [0003] According to the provisions of the national standard GB10184-88 "Performance Test Regulations for Power Station Boilers", the measurement of flue gas temperature and flue gas composition must be carried out by using the multi-point measurement grid method. The flue gas temperature of utility boilers is usually measured with thermocouples, including T-type thermocouples and K-type thermocouples. The grid method multi-point measurement means that in any flue section perpendicular to the f...

Claims

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Application Information

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IPC IPC(8): G01N1/22G01K7/02
Inventor 程亮朱宪然张清峰
Owner STATE GRID CORP OF CHINA
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