CN103480224A - High-temperature dust removing system of multilayer ceramic filter material fluidized bed - Google Patents
High-temperature dust removing system of multilayer ceramic filter material fluidized bed Download PDFInfo
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- CN103480224A CN103480224A CN201310406820.6A CN201310406820A CN103480224A CN 103480224 A CN103480224 A CN 103480224A CN 201310406820 A CN201310406820 A CN 201310406820A CN 103480224 A CN103480224 A CN 103480224A
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Abstract
The invention discloses a high-temperature dust removing system of a multilayer ceramic filter material fluidized bed. The high-temperature dust removing system comprises particle filter material fluidized beds; each of a rough particle filter material fluidized bed and a fine particle filter material fluidized bed is composed of a plurality of vertical filtering layer channels composed of screens; a shell on one side of the rough particle filter material fluidized bed is provided with a dust-containing gas inlet horizontally; a shell on one side of the fine particle filter material fluidized bed is provided with a purified gas outlet horizontally; a rough particle filter material hopper and a fine particle filter material hopper communicated with channel inlets of the rough particle filter material fluidized bed and the fine particle filter material fluidized bed respectively are arranged at the top of the shell; channel outlets of the rough particle filter material fluidized bed and the fine particle filter material fluidized bed are communicated with a rough particle filter material reproducer and a fine particle filter material reproducer arranged on the lower part of the shell respectively; an air outlet of a cyclone separator is communicated with the dust-containing gas inlet. The high-temperature dust removing system of the multilayer ceramic filter material fluidized bed has the advantages that the structure is simple and practical; dust removal and filtering are operated continuously. When the high-temperature dust removing system is used for treating high-temperature dust-containing gas with the grain diameter of less than 2.26 microns and particle quantity of 90%, the speed of filtering the gas is 0.33m/s and the filtering efficiency is up to more than 99.9%.
Description
Technical field
The present invention relates to fluid bed high-temperature dust removal system, especially relate to multi-layer ceramics filtrate fluid bed high-temperature dust removal system.
Background technology
In traditional high temperature fume dust removal technology, usually adopt three grades of cyclone dust collectors series connection dedusting methods.But, because high-temperature dust-containing flue gas has the characteristic that viscosity is large, the dust granules temperature is high, there is the defect that purification efficiency is low in above-mentioned dedusting method; And the dedusting method that adopts electric cleaner exists that corona discharge is unstable, electrode life is short, to problems such as smoke components sensitivity, high-temperature insulations; Adopt wet method normal temperature purifying and dedusting method, lost again sensible heat and latent heat a large amount of in the high-temperature flue gas.There is at present the particle filtering of employing dust arrester to carry out dust removal and filtration to high-temperature dusty gas, but this particle filtering dust arrester is fixed bed while usually filtering, during anti-the cleaning, it is ebullated bed, therefore dust removal and filtration is interrupted production process, filter efficiency and utilization rate of equipment and installations are lower, and required filter area is also larger.
Summary of the invention
The object of the invention is to provide a kind of clean, efficient multi-layer ceramics filtrate fluid bed high-temperature dust removal system.
For achieving the above object, the present invention takes following technical proposals:
Multi-layer ceramics filtrate fluid bed high-temperature dust removal system of the present invention, comprise the granule filter material thermopnore; Described granule filter material thermopnore is comprised of the coarse granule filtrate thermopnore and the fine grained filtrate thermopnore that are arranged in housing; Described a plurality of vertical filtering layer passage thick, that fine grained filtrate thermopnore forms by screen cloth forms; The level on the housing of coarse granule filtrate thermopnore one side that is positioned at is provided with the dusty gas import, and the level on the housing of fine grained filtrate thermopnore one side that is positioned at is provided with purified gas outlet; Case top is provided with respectively and thick, that the vertical filtering layer channel entrance of fine grained filtrate thermopnore communicates thick, fine grained filtrate hopper, and thick, the vertical filtering layer channel outlet of fine grained filtrate thermopnore is communicated with thick, the fine grained media regeneration device that are located at lower housing portion respectively; Described filtrate outlet thick, fine grained media regeneration device is communicated with corresponding described thick, fine grained filtrate hopper by lifter respectively; Slightly, the exhaust outlet of fine grained media regeneration device is communicated with cyclone separator by pipeline respectively; Described cyclone separator air outlet is communicated with described dusty gas import.
Described lifter is that wind send elevator; Described thick, fine grained media regeneration device forms by housing and the vibratory sieve established within it; Described vibratory sieve is divided into upper and lower chamber by described housing; Described upper chamber is communicated with and is communicated with described cyclone separator by pipeline with corresponding vertical filtering layer channel outlet respectively; Described lower chambers send elevator to be communicated with by air exhauster with corresponding wind respectively.
The invention has the advantages that simple in structurely, practical, dust removal and filtration runs without interruption continuously.For particle diameter be less than 2.26 μ m, particle number accounts for 90% high-temperature dusty gas, filtering gas speed is 0.33m/s, filter efficiency is up to more than 99.9 %.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
As shown in Figure 1, multi-layer ceramics filtrate fluid bed high-temperature dust removal system of the present invention, comprise the granule filter material thermopnore; Described granule filter material thermopnore is comprised of the coarse granule filtrate thermopnore 1 and the fine grained filtrate thermopnore 2 that are arranged in housing; Described a plurality of vertical filtering layer passage 4 thick, that fine grained filtrate thermopnore 1,2 forms by screen cloth 3 forms; The level on the housing of coarse granule filtrate thermopnore 1 one sides that is positioned at is provided with dusty gas import 5, and the level on the housing of fine grained filtrate thermopnore 2 one sides that is positioned at is provided with purified gas outlet 6; Case top is provided with respectively and thick, that vertical filtering layer passage 4 imports of fine grained filtrate thermopnore communicate thick, fine grained filtrate hopper 7,8, and vertical filtering layer passage 4 outlets of thick, fine grained filtrate thermopnore are communicated with thick, the fine grained media regeneration device 9,10 that are located at lower housing portion respectively; Described filtrate outlet thick, fine grained media regeneration device 9,10 is communicated with corresponding described thick, fine grained filtrate hopper 7,8 by lifter 11,12 respectively; Slightly, the exhaust outlet of fine grained media regeneration device 9,10 is communicated with cyclone separator 13 by pipeline respectively; Described cyclone separator 13 air outlets are communicated with described dusty gas import 5.
Described lifter 11,12 is elected wind as and is sent elevator; Described thick, fine grained media regeneration device 9,10 forms by housing and the vibratory sieve 14 established within it; Described vibratory sieve 14 is divided into upper and lower chamber by described housing; Described upper chamber is communicated with and is communicated with described cyclone separator 13 by pipeline with corresponding vertical filtering layer passage 4 outlets respectively; Described lower chambers send elevator to be communicated with by air exhauster 15,16 with corresponding wind respectively.
Operation principle of the present invention is summarized as follows:
When the present invention moves, high-temperature dust-containing flue gas is cross-flow from dust-laden gas feed 5 and enters, at first 2~5 mm porous ceramics particles in the vertical filtering layer passage 4 of coarse granule filtrate thermopnore 1 carry out coarse filtration (thick dedusting), the big dust particle of the overwhelming majority in entrap gas, now the coarse granule filter material layer shows as deep-bed filtration, held the dust more than 90%, but 20% of not enough overall presure drop falls in resistance.Gas through the coarse filtration dedusting carefully filters (smart dedusting) through 0.5~1 mm quartz sand in the vertical filtering layer passage 4 of fine grained filtrate thermopnore 2 again, obtained leak the fine dust of coarse granule filter material layer, now the fine grained filter material layer shows as surface filtration, so filter efficiency is greatly improved.
Purified gas is discharged from purified gas outlet 6, flow through respectively dust thick, that the fine grained filtrate carries interception in thick, the vertical filtering layer passage 4 of fine grained filtrate thermopnore 1,2 from top to bottom and flow in corresponding thick, fine grained media regeneration device 9,10, through regenerator 9,10 internal vibrations sieves, clean up slightly, the fine grained filtrate is sent in corresponding lifter 11,12 and recycles; Be cleaned the gas that gets off to take dust simultaneously and enter cyclone separator 13, through cyclone separator 13, from the dust gone out, be transported to grey storehouse, high-temperature gas recycles again in dust-laden gas feed 5 enters the granule filter material thermopnore.
Claims (2)
1. a multi-layer ceramics filtrate fluid bed high-temperature dust removal system, comprise the granule filter material thermopnore; It is characterized in that: described granule filter material thermopnore is comprised of the coarse granule filtrate thermopnore (1) and the fine grained filtrate thermopnore (2) that are arranged in housing; Described a plurality of vertical filtering layer passage (4) thick, that fine grained filtrate thermopnore (1,2) forms by screen cloth (3) forms; The level on the housing of coarse granule filtrate thermopnore (1) one side that is positioned at is provided with dusty gas import (5), and the level on the housing of fine grained filtrate thermopnore (2) one sides that is positioned at is provided with purified gas outlet (6); Case top is provided with respectively and thick, that the vertical filtering layer passage of fine grained filtrate thermopnore (4) import communicates thick, fine grained filtrate hopper (7,8), and thick, the vertical filtering layer passage of fine grained filtrate thermopnore (4) outlet is communicated with thick, the fine grained media regeneration device (9,10) that are located at lower housing portion respectively; Described filtrate outlet thick, fine grained media regeneration device (9,10) is communicated with corresponding described thick, fine grained filtrate hopper (7,8) by lifter (11,12) respectively; Slightly, the exhaust outlet of fine grained media regeneration device (9,10) is communicated with cyclone separator (13) by pipeline respectively; Described cyclone separator (13) air outlet is communicated with described dusty gas import (5).
2. multi-layer ceramics filtrate fluid bed high-temperature dust removal system according to claim 1, it is characterized in that: described lifter (11,12) send elevator for wind; Described thick, fine grained media regeneration device (9,10) forms by housing and the vibratory sieve (14) established within it; Described vibratory sieve (14) is divided into upper and lower chamber by described housing; Described upper chamber is communicated with and is communicated with described cyclone separator (13) by pipeline with corresponding vertical filtering layer passage (4) outlet respectively; Described lower chambers send elevator to be communicated with by air exhauster (15,16) with corresponding wind respectively.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108211541A (en) * | 2018-02-08 | 2018-06-29 | 北京三聚环保新材料股份有限公司 | A kind of gas cleaning plant and method |
CN109011869A (en) * | 2018-08-10 | 2018-12-18 | 徐明杰 | A kind of enviroment protective ceramic grain bed for high temperature fume dust removal |
Citations (7)
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JPS5554017A (en) * | 1978-10-14 | 1980-04-21 | Shintou Dasutokorekutaa Kk | Dust collecting apparatus |
JPS56100628A (en) * | 1980-01-10 | 1981-08-12 | Kobe Steel Ltd | Recovery apparatus of catalyst regenerating exhaust gas |
EP0180271A2 (en) * | 1984-11-02 | 1986-05-07 | Metallgesellschaft Ag | Process and device for the regeneration of a granulate filter |
CN1033508A (en) * | 1987-12-15 | 1989-06-28 | 包头钢铁公司环境保护研究所 | Dry cleaning contains the method and apparatus that mixes the harmful components flue gas |
CN2042374U (en) * | 1989-01-27 | 1989-08-09 | 王振声 | Filter for granular with auto-moving bed |
JP2002066237A (en) * | 2000-06-14 | 2002-03-05 | Nkk Corp | Fly ash collector |
CN203458939U (en) * | 2013-09-10 | 2014-03-05 | 河南晟道科技有限公司 | High-temperature dust removing system of multi-layer ceramic filter material fluidized bed |
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2013
- 2013-09-10 CN CN201310406820.6A patent/CN103480224A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5554017A (en) * | 1978-10-14 | 1980-04-21 | Shintou Dasutokorekutaa Kk | Dust collecting apparatus |
JPS56100628A (en) * | 1980-01-10 | 1981-08-12 | Kobe Steel Ltd | Recovery apparatus of catalyst regenerating exhaust gas |
EP0180271A2 (en) * | 1984-11-02 | 1986-05-07 | Metallgesellschaft Ag | Process and device for the regeneration of a granulate filter |
CN1033508A (en) * | 1987-12-15 | 1989-06-28 | 包头钢铁公司环境保护研究所 | Dry cleaning contains the method and apparatus that mixes the harmful components flue gas |
CN2042374U (en) * | 1989-01-27 | 1989-08-09 | 王振声 | Filter for granular with auto-moving bed |
JP2002066237A (en) * | 2000-06-14 | 2002-03-05 | Nkk Corp | Fly ash collector |
CN203458939U (en) * | 2013-09-10 | 2014-03-05 | 河南晟道科技有限公司 | High-temperature dust removing system of multi-layer ceramic filter material fluidized bed |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108211541A (en) * | 2018-02-08 | 2018-06-29 | 北京三聚环保新材料股份有限公司 | A kind of gas cleaning plant and method |
CN109011869A (en) * | 2018-08-10 | 2018-12-18 | 徐明杰 | A kind of enviroment protective ceramic grain bed for high temperature fume dust removal |
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