Fume emission on-line continuous detecting system sampling apparatus

A technology of sampling device and detection system, which is applied in the direction of sampling device and test sample preparation, etc., to achieve good development prospects and realize the effect of synchronization

Inactive Publication Date: 2008-03-12
XIDIAN UNIV
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Problems solved by technology

[0006] Aiming at the problems existing in the existing sampling probes, the present invention provides a new type of sampling device for the online continuous de

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  • Fume emission on-line continuous detecting system sampling apparatus
  • Fume emission on-line continuous detecting system sampling apparatus
  • Fume emission on-line continuous detecting system sampling apparatus

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Embodiment Construction

[0029] As shown in Figure 1, the sampling device of the present invention is mainly composed of three parts: a sampling and ash removal mechanism A, a controller B and a sampling pump C. The sampling and ash removal mechanism A is mainly used to solve the sampling blockage and ensure that the sample gas of the back-end conveying pipeline and the detection instrument is a low dust turbidity sample gas;

[0030] The controller B is the control core of the sampling device, which controls the operation of the other two parts; the sampling pump C provides power for the sampling of the sampling and ash removal mechanism A, and delivers sample gas to the detection system.

[0031] As shown in Figure 2, on the main structure 1 of the sampling and dust removal mechanism A, there are back blowing controllers 2, back blowing air pipes 3, cleaning controllers 4, flue gas sample gas outlets 5, dust removal filter elements 6, and cleaning actuators 7 , flue gas sample gas inlet 8, wherein ...

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Abstract

The invention discloses a sampling device for a continuous online detection system of flue gas emission, which is characterized in that the sampling device is composed of a sampling ash removing mechanism, a controller and a sampling pump. The sampling ash removing mechanism is used to collect sample gas and eliminate powder dust in the gas, and is composed of a main body structure, a back-blowing controller, a back-blowing gas pipe, a sweeping controller, a flue gas sample outlet, a dust removing filter element and a sweeping actuator. The controller is composed of a frequency converter, a computer, a flue gas flow speed sampling interface, a control output interface, a frequency converter output interface and a power supply wire interface, and the computer controls the sampling ash removing mechanism to sample and remove ash and simultaneously controls the sampling speed of the sampling pump in order to realize the sampling synchronization. The sampling pump is composed of a control wire interface, a fan, a flue gas sample detecting inlet and a surplus sample gas outlet. The invention solves the problems of sampling blockage, synchronous sampling and negative pressure sampling, detects and samples the gas in the process of controlling production, and is also applied to detection and sampling for the environmental protection of various gas.

Description

technical field [0001] The invention belongs to the technical field of detection equipment, and in particular relates to a sampling device for an on-line continuous detection system of flue gas emission, which is applied to the detection of flue gas emission in industries such as metallurgy, cement, and thermal power generation. Background technique [0002] With the shortage of modern energy and the gradual entry of foreign enterprises into the Chinese market, our enterprises, especially some energy mining enterprises, must increase energy conservation and improve production efficiency. In order to optimize the production control of the industrial production process, it is necessary to select appropriate characterization quantities that can reflect the production reaction process. These characterization quantities may be the products of chemical reactions or the reaction conditions of reactions. For example, in the production process of metallurgy (alumina, iron ore roastin...

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Application Information

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IPC IPC(8): G01N1/24G01N1/34
Inventor 贾剑平黄德承张昌民赵益民
Owner XIDIAN UNIV
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