CN103657274A - Dedusting system combining flue gas ash conveying and filtering - Google Patents
Dedusting system combining flue gas ash conveying and filtering Download PDFInfo
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- CN103657274A CN103657274A CN201310653172.4A CN201310653172A CN103657274A CN 103657274 A CN103657274 A CN 103657274A CN 201310653172 A CN201310653172 A CN 201310653172A CN 103657274 A CN103657274 A CN 103657274A
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Abstract
The invention provides a dedusting system combining flue gas ash conveying and filtering, flue gas is used as a carrier for conveying dust removed by a deduster into an ash bin, the repair workload can be reduced, the energy consumption and operation cost can be reduced, the size of a deduster can be minified, the steel use amount can be saved, and the investment cost can be reduced. The dedusting system comprises a dust source, a collecting cover, the deduster, the ash bin, a dedusting fan and a chimney, an upper outlet of the chimney is communicated with the atmosphere, the collecting cover is arranged above the dust source, the dedusting system is characterized in that: the deduster comprises at least two chambers, the flue gas collected by the collecting cover is distributed to each flue gas branch pipe through a flue gas header pipe, the flue gas branch pipe is respectively leaded into one inlet on one side of the bottom of a corresponding chamber of the deduster, the top of each chamber of the deduster is connected into a net gas header pipe by a corresponding net gas branch pipe, and one outlet on the other side of the bottom of the chamber of the deduster is connected into an ash conveying header pipe by a corresponding ash conveying branch pipe.
Description
Technical field
The present invention relates to the technical field of energy-conserving and environment-protective, be specially the defeated ash of a kind of flue gas and filter the dust pelletizing system combining.
Background technology
Existing dust pelletizing system, mainly by dirt source, fume trap cover, deduster, dedusting fan, cleaning shaft, chimney etc., formed, be equipped with again drag conveyor or air-transport system, storage ash silo, when dust collector ash hopper unloads ash, adopt drag conveyor or air-transport system that dust is transported to storage ash silo.Serious wear during the defeated ash of drag conveyor, service life is short, needs periodic replacement, and maintenance load is larger, and operating cost is high; Air-transport system needs compressed air, and energy consumption is higher, and abrasion of conveying pipes severity and easily obstruction can affect system operation.
Summary of the invention
For existing above-mentioned defect, the invention provides the defeated ash of a kind of flue gas and filter the dust pelletizing system combining, it be take the dust that flue gas gets off deduster deashing as carrier and is transported to storage ash silo, can reduce maintenance load, reduce energy consumption and operating cost, and can reduce the volume of deduster, save rolled steel dosage, reduce cost of investment.
The dust pelletizing system that the defeated ash of a kind of flue gas combines with filtration, its technical scheme is such: it comprises dirt source, fume trap cover, deduster, storage ash silo, dedusting fan, chimney, the top outlet of described chimney is communicated with atmosphere, the top in described dirt source is provided with fume trap cover, it is characterized in that: described deduster comprises at least two bins, the flue dust that described fume trap cover is caught is assigned to each flue gas arm by flue gas house steward, described flue gas arm passes into respectively the side-entrance of bottom of the bin of corresponding described deduster, described in each, the top of the bin of deduster is by corresponding pure qi (oxygen) arm access pure qi (oxygen) house steward, described in each, the outlet of the opposite side of the bottom of the bin of deduster is by the corresponding defeated grey house steward of defeated grey arm access, flue gas mouth is entered at the middle part that described defeated grey house steward connects described storage ash silo, the top pure qi (oxygen) outlet of described storage ash silo is circumscribed with fresh-air duct, in described pure qi (oxygen) house steward, be furnished with described dedusting fan, in described fresh-air duct, be provided with defeated grey blower fan, described pure qi (oxygen) house steward's end is connected directly to the bottom air inlet of described chimney, described fresh-air duct connects described pure qi (oxygen) house steward's middle part, described dedusting fan is positioned at the rear portion of the end of described fresh-air duct, the middle and upper part of described storage ash silo is provided with filtrating equipment of the filter bag, jetting deashing device, described jetting deashing device is positioned at the top of described filtrating equipment of the filter bag.
It is further characterized in that:
Described pure qi (oxygen) house steward, fresh-air duct are connected to respectively the bottom air inlet of chimney, and described flue gas house steward is communicated to described defeated grey house steward by bypass pipe.
Adopt after structure of the present invention, the dirt accumulation that deduster deashing need not be got off is stored in dust collector ash hopper, then by unloading valve, unloads ash from ash bucket bottom, but directly removes to expel by flue gas the dust that deashing gets off.Flue gas enters each bin of deduster with certain speed, the dust that deashing is got off carries out disturbance, after disturbance mixes from the opposite side of the bin of deduster out, then by pipeline, enter storage ash silo, storage ash silo is with filtrating equipment of the filter bag, the flue gas mixing with dust entering is filtered, dust is delayed at filter bag superficial layer, clean air enters top clean room through filter bag, gas after up to standard is discharged, be blocked in the dust on filter bag, after jetting deashing is processed, dust falls to concentrate and is stored in ash silo, it be take the dust that flue gas gets off deduster deashing as carrier and is transported to storage ash silo, can reduce maintenance load, reduce energy consumption and operating cost, and can reduce the volume of deduster, save rolled steel dosage, reduce cost of investment.
Accompanying drawing explanation
Fig. 1 is the structural representation of specific embodiments of the invention one;
Fig. 2 is the structural representation of specific embodiments of the invention two.
The specific embodiment
The dust pelletizing system that the defeated ash of a kind of flue gas combines with filtration, see Fig. 1, Fig. 2: it comprises dirt source 1, fume trap cover 2, deduster 5, storage ash silo 10, dedusting fan 13, chimney 14, the top outlet of chimney 14 is communicated with atmosphere, the top in dirt source 1 is provided with fume trap cover 2, deduster 5 comprises at least two bins 16, the flue dust that fume trap cover 2 is caught is assigned to each flue gas arm 4 by flue gas house steward 3, flue gas arm 4 passes into respectively the side-entrance of bottom of each bin 16 of corresponding deduster 5, the top of each bin 16 is by corresponding pure qi (oxygen) arm 6 access pure qi (oxygen) house stewards 7, the opposite side outlet of the bottom of each bin 16 is by the corresponding defeated grey arm 8 defeated grey house stewards 9 of access, flue gas mouth is entered at the middle part that defeated grey house steward 9 connects storage ash silo 10, the top pure qi (oxygen) outlet of storage ash silo 10 is circumscribed with fresh-air duct 11, in pure qi (oxygen) house steward 7, be furnished with dedusting fan 13, in fresh-air duct 11, be provided with defeated grey blower fan 12, the middle and upper part of storage ash silo 10 is provided with filtrating equipment of the filter bag 17, jetting deashing device 18, jetting deashing device 17 is positioned at the top of filtrating equipment of the filter bag 18.
Specific embodiment one: see Fig. 1, pure qi (oxygen) house steward 7 end is connected directly to the bottom air inlet of chimney 14, fresh-air duct 11 connects pure qi (oxygen) house steward 7 middle part, and dedusting fan 13 is positioned at the rear portion of the end of fresh-air duct 11.
Its operation principle is as follows: its workflow is as follows:
The flue gas that distribute in dirt source 1 or dust are captured and cover 2 trappings, flue gas after trapping or dust enter flue gas house steward 3, then the bin that enters respectively deduster 5 correspondences by each flue gas arm 4 carries out dedusting, clean gas after each bin dedusting enters respectively each pure qi (oxygen) arm 6, then enter pure qi (oxygen) house steward 7, finally by dedusting fan 8, through pure qi (oxygen) house steward 7, send into chimney 9 and discharge.
Deduster 5 deashings are by chamber, to be undertaken in order.When deduster 5 starts deashing, the first bin top pure qi (oxygen) port closing, its underpart exhanst gas outlet is opened, the first bin stops filtration and carries out deashing, the dust that deashing gets off mixes with the flue gas that enters this chamber, then by this bottom, chamber exhanst gas outlet, discharge, enter the defeated grey arm 8 that connects this chamber, then by defeated grey house steward 9, enter storage ash silo 10.When the first bin deashing finishes to filter, when the second bin carries out deashing, the first bin top pure qi (oxygen) outlet is opened, and its underpart exhanst gas outlet is closed; The second bin top pure qi (oxygen) port closing, its underpart exhanst gas outlet is opened; Each bin carries out respectively work successively.Storage ash silo 10, with filtrating equipment of the filter bag 17, is filtered the flue gas mixing with dust entering, and dust is delayed at filter bag superficial layer, and bin clean air enters the top clean room of storage ash silo 10 through filter bag, the gas discharge after up to standard.Be blocked in the dust on filter bag, after jetting deashing device 18 jetting deashings are processed, dust falls to concentrate and is stored in ash silo 10, regularly discharges.The clean gas of discharging from storage ash silo 10, by fresh-air duct 11, by defeated grey blower fan 12, send into pure qi (oxygen) house steward 7, mix with the clean gas from deduster 5 other bin dedustings, mixed clean gas is finally sent into chimney 9 by dedusting fan 8 through pure qi (oxygen) house steward 7 and is discharged.
Specific embodiment two: see Fig. 2, pure qi (oxygen) house steward 7, fresh-air duct 11 are connected to respectively the bottom air inlet of chimney 14, and flue gas house steward 3 is communicated to defeated grey house steward 9 by bypass pipe 15.
Its operation principle is as follows: the flue gas that distribute in dirt source 1 or dust are captured and cover 2 trappings, flue gas after trapping or dust enter flue gas house steward 3, then the bin that most flue gas or dust enter respectively deduster 5 correspondences by each flue gas arm 4 carries out dedusting, clean gas after each bin dedusting enters respectively each pure qi (oxygen) arm 6, then enter pure qi (oxygen) house steward 7, finally by dedusting fan 8, through pure qi (oxygen) house steward 7, send into chimney 9 and discharge; Another part flue gas or dust successively enter storage ash silo 10 by bypass pipe 15, defeated grey house steward 9 and carry out dedusting, and the clean gas after dedusting is sent into chimney 9 by fresh-air duct 11 by defeated grey blower fan 12 and discharged.
Deduster 5 deashings are by chamber, to be undertaken in order.When deduster 5 starts deashing, bypass pipe 15 cuts out.The first bin top pure qi (oxygen) port closing, bypass pipe 15 cuts out, the first bin bottom exhanst gas outlet is opened, the first bin stops filtration and carries out deashing, the dust that deashing gets off mixes with the flue gas that enters this chamber, then by this bottom, chamber exhanst gas outlet, discharge, enter the defeated grey arm 8 that connects this chamber, then by defeated grey house steward 9, enter storage ash silo 10.When the first bin deashing finishes to filter, when the second bin carries out deashing, the first bin top pure qi (oxygen) outlet is opened, and its underpart exhanst gas outlet is closed; The second bin top pure qi (oxygen) port closing, its underpart exhanst gas outlet is opened; Each bin carries out respectively work successively.Storage ash silo 10, with filtrating equipment of the filter bag 17, is filtered the flue gas mixing with dust entering, and dust is delayed at filter bag superficial layer, and clean air enters clean room through filter bag, the gas discharge after up to standard.Be blocked in the dust on filter bag, after jetting deashing device 18 jetting deashings are processed, dust falls to concentrate and is stored in ash silo 10, regularly discharges.The clean gas of discharging from storage ash silo 10, sends into chimney 9 by fresh-air duct 11 by defeated grey blower fan 12 and discharges.After deduster 5 deashings finish, bypass pipe 15 is opened.
Claims (2)
- The defeated ash of flue gas with filter the dust pelletizing system combining, it comprises dirt source, fume trap cover, deduster, storage ash silo, dedusting fan, chimney, the top outlet of described chimney is communicated with atmosphere, the top in described dirt source is provided with fume trap cover, it is characterized in that: described deduster comprises at least two bins, the flue dust that described fume trap cover is caught is assigned to each flue gas arm by flue gas house steward, described flue gas arm passes into respectively the side-entrance of bottom of the bin of corresponding described deduster, described in each, the top of the bin of deduster is by corresponding pure qi (oxygen) arm access pure qi (oxygen) house steward, described in each, the outlet of the opposite side of the bottom of the bin of deduster is by the corresponding defeated grey house steward of defeated grey arm access, flue gas mouth is entered at the middle part that described defeated grey house steward connects described storage ash silo, the top pure qi (oxygen) outlet of described storage ash silo is circumscribed with fresh-air duct, in described pure qi (oxygen) house steward, be furnished with described dedusting fan, in described fresh-air duct, be provided with defeated grey blower fan, described pure qi (oxygen) house steward's end is connected directly to the bottom air inlet of described chimney, described fresh-air duct connects described pure qi (oxygen) house steward's middle part, described dedusting fan is positioned at the rear portion of the end of described fresh-air duct, the middle and upper part of described storage ash silo is provided with filtrating equipment of the filter bag, jetting deashing device, described jetting deashing device is positioned at the top of described filtrating equipment of the filter bag.
- 2. the dust pelletizing system that the defeated ash of a kind of flue gas according to claim 1 combines with filtration, it is characterized in that: described pure qi (oxygen) house steward, fresh-air duct also can be connected to respectively the bottom air inlet of chimney, described flue gas house steward is communicated to described defeated grey house steward by bypass pipe.
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| CN201310653172.4A CN103657274B (en) | 2013-12-09 | 2013-12-09 | Dedusting system combining flue gas ash conveying and filtering |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107115739A (en) * | 2017-06-27 | 2017-09-01 | 江苏新科达滤袋有限公司 | A kind of pulsed filter bag cleaner |
| CN108534159A (en) * | 2018-04-28 | 2018-09-14 | 河南禾力能源股份有限公司 | A kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine |
| CN109381933A (en) * | 2018-12-24 | 2019-02-26 | 永兴特种不锈钢股份有限公司 | A kind of cleaner and equipment operation method applied to steel rolling line reversable mill |
| CN111569558A (en) * | 2020-06-03 | 2020-08-25 | 中冶焦耐(大连)工程技术有限公司 | A system and method for collecting, separating and purifying large air volume and fine dust |
| CN111643982A (en) * | 2020-06-03 | 2020-09-11 | 中冶焦耐(大连)工程技术有限公司 | Large-air-volume micro-dust collecting separator and working method thereof |
| CN112138475A (en) * | 2020-09-30 | 2020-12-29 | 中冶焦耐(大连)工程技术有限公司 | Distributed dust removal system for smoke dissipated by coke oven and working method thereof |
| CN117282192A (en) * | 2022-08-24 | 2023-12-26 | 四川七化建化工工程有限公司 | A high-temperature dust removal filter for furnace gas at the outlet of a yellow phosphorus electric furnace |
| CN117303327A (en) * | 2022-08-24 | 2023-12-29 | 四川七化建化工工程有限公司 | An energy-saving, low-carbon and environmentally friendly yellow phosphorus preparation system and process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107115739A (en) * | 2017-06-27 | 2017-09-01 | 江苏新科达滤袋有限公司 | A kind of pulsed filter bag cleaner |
| CN108534159A (en) * | 2018-04-28 | 2018-09-14 | 河南禾力能源股份有限公司 | A kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine |
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| CN111569558A (en) * | 2020-06-03 | 2020-08-25 | 中冶焦耐(大连)工程技术有限公司 | A system and method for collecting, separating and purifying large air volume and fine dust |
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| CN112138475A (en) * | 2020-09-30 | 2020-12-29 | 中冶焦耐(大连)工程技术有限公司 | Distributed dust removal system for smoke dissipated by coke oven and working method thereof |
| CN112138475B (en) * | 2020-09-30 | 2024-01-30 | 中冶焦耐(大连)工程技术有限公司 | Coke oven dissipation smoke dust distributed dust removal system and working method thereof |
| CN117282192A (en) * | 2022-08-24 | 2023-12-26 | 四川七化建化工工程有限公司 | A high-temperature dust removal filter for furnace gas at the outlet of a yellow phosphorus electric furnace |
| CN117303327A (en) * | 2022-08-24 | 2023-12-29 | 四川七化建化工工程有限公司 | An energy-saving, low-carbon and environmentally friendly yellow phosphorus preparation system and process |
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| CN103657274B (en) | 2015-06-17 |
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Address after: 214000 no.2020 Lihu Avenue, Binhu District, Wuxi City, Jiangsu Province Patentee after: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 214128, Wuxi, Jiangsu province Binhu District Taihu Street double new economic Park Patentee before: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |