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A three-stage air filtration system

An air filtration and filter technology, which is applied in the field of air filtration and gas turbine air filtration, can solve the problems of secondary pollution injection blasting sound, large filtering area, short service life, etc. long life effect

Inactive Publication Date: 2017-01-18
CHENGDU BOOST ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In order to solve the problems of large filtration area and short service life of existing gas turbines, and the problems of high cost, easy to cause secondary pollution and loud blowing and blasting problems of self-cleaning filtration technology, the present invention provides a three-stage air filter. The filtration system has the characteristics of large filtration area, long service life and low cost, and will not cause secondary pollution at the same time, meeting the economic and environmental needs of the power plant

Method used

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  • A three-stage air filtration system
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Examples

Experimental program
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Effect test

Embodiment 1

[0054] The three-stage air filtration system of this embodiment includes a filter room, which is provided with a coarse-effect filter, a medium-effect filter and a high-efficiency filter, and is provided between the coarse-effect filter and the medium-effect filter. Maintenance channel, there is a maintenance channel between the medium-efficiency filter and the high-efficiency filter, and the medium-efficiency filter includes a top drive drum installed in the filter room, a bottom drive drum and a drive drum installed on the top drive drum and the bottom drive drum The driven rollers between them are installed alternately left and right in the filter room; the top drive roller, driven roller and bottom drive roller are coated with filter layers, and the driven rollers located at the bottom of the filter room and The top of the filter layer between the bottom driving drums is equipped with a blowing system; the blowing system includes a conical flow guiding device and a blowback...

Embodiment 2

[0056] The three-stage air filtration system of this embodiment includes a filter room, which is provided with a coarse-effect filter, a medium-effect filter and a high-efficiency filter, and is provided between the coarse-effect filter and the medium-effect filter. Maintenance channel, there is a maintenance channel between the medium-efficiency filter and the high-efficiency filter, and the medium-efficiency filter includes a top drive drum installed in the filter room, a bottom drive drum and a drive drum installed on the top drive drum and the bottom drive drum The driven rollers between them are installed alternately left and right in the filter room; the top drive roller, driven roller and bottom drive roller are coated with filter layers, and the driven rollers located at the bottom of the filter room and The top of the filter layer between the bottom driving drums is equipped with a blowing system; the blowing system includes a conical flow guiding device and a blowback...

Embodiment 3

[0058] The three-stage air filtration system of this embodiment includes a filter room, which is provided with a coarse-effect filter, a medium-effect filter and a high-efficiency filter, and is provided between the coarse-effect filter and the medium-effect filter. Maintenance channel, there is a maintenance channel between the medium-efficiency filter and the high-efficiency filter, and the medium-efficiency filter includes a top drive drum installed in the filter room, a bottom drive drum and a drive drum installed on the top drive drum and the bottom drive drum The driven rollers between them are installed alternately left and right in the filter room; the top drive roller, driven roller and bottom drive roller are coated with filter layers, and the driven rollers located at the bottom of the filter room and The top of the filter layer between the bottom driving drums is equipped with a blowing system; the blowing system includes a conical flow guiding device and a blowback...

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Abstract

The invention belongs to the field of gas-turbine air filtering technologies, and disclosed a three-stage air filtration system used for solving the problems that a conventional gas turbine is large in filtering area and short in service life, and problems that a self-cleaning filtering technology is high in cost and easily causes secondary pollution, and blowing explosion sound is large. The three-stage air filtration system comprises a filtering house, and the filtering house is inside provided with a coarse filter, a medium-efficiency filter and a high-efficiency filter; an unkeeping channel is arranged between the coarse filter and the medium-efficiency filter, and an unkeeping channel is arranged between the medium-efficiency filter and the high-efficiency filter; the medium-efficiency filter comprises a top driving roller and a bottom driving roller both installed in the filtering house, and driven rollers installed between the top driving roller and the bottom driving roller, and the driven rollers are installed in the filtering house alternately at the left and right; and each of the top driving roller, the driven rollers and the bottom driving roller is cladded by a filtering layer, and a blowing system is arranged above the filtering layer between the driven roller at the lowermost end of the filtering house and the bottom driving roller.

Description

technical field [0001] The invention belongs to the technical field of gas turbine air filtration, and in particular relates to a three-stage air filtration system, which is used for filtering the air entering the gas turbine, and can also be used for air filtration in other fields. Background technique [0002] A gas turbine is a rotary power machine that converts heat energy into mechanical work using continuously flowing gas as a working medium. In the main process of air and gas, the gas turbine cycle is mainly composed of three major components: the compressor, the combustion chamber and the gas turbine. [0003] The compressor inhales air from the external atmosphere, and pressurizes it step by step through the axial flow compressor, and the air humidity is also increased accordingly; the compressed air is sent to the combustion chamber to mix with the injected fuel to produce high-temperature and high-pressure gas Then enter the turbine to expand and do work, and pus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/00F02C7/055
Inventor 党为民刘厚军李雷龚学钰
Owner CHENGDU BOOST ENERGY TECH