CN203400593U - Bag-type dust collector for shaft furnace - Google Patents
Bag-type dust collector for shaft furnace Download PDFInfo
- Publication number
- CN203400593U CN203400593U CN201320373897.3U CN201320373897U CN203400593U CN 203400593 U CN203400593 U CN 203400593U CN 201320373897 U CN201320373897 U CN 201320373897U CN 203400593 U CN203400593 U CN 203400593U
- Authority
- CN
- China
- Prior art keywords
- air
- filter bag
- shaft furnace
- chamber
- bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model belongs to a dust collector, and in particular relates to a bag-type dust collector for a shaft furnace applied to pellet production of the shaft furnace. The bag-type dust collector for the shaft furnace is characterized in that an injection device and an ash removal controller are arranged on the top of a box body; a pattern plate in which vent holes are uniformly distributed is transversely arranged in the box body and is used for dividing the box body into an upper part and a lower part; the upper part is an air purification chamber; the lower part is a filter bag chamber; the filter bag chamber is communicated with an air inlet; the air purification chamber is communicated with an air exhaust port; filter bags of which the number corresponds to that of the vent holes are longitudinally distributed in the filter bag chamber; the upper ends of the filter bags are connected to the vent holes; the lower end of the box body is connected with an ash hopper and an ash discharging device; a lifting valve is arranged outside the air purification chamber; the lower end of the lifting valve is connected with a cover plate. The bag-type dust collector for the shaft furnace has the advantages of high dust collection efficiency, simple structure, small quantity of accessory equipment, low investment, stable and reliable performance, good adaptability to load change, and simplicity in operation and management; dust which is high in specific resistance, is unlikely to be recovered by electrostatic precipitation and is tiny and dry can be collected; the dust cannot be raised during ash discharging; the production field is clean.
Description
Technical field
The utility model belongs to deduster, relates in particular to the dust arrester of producing for Shaft Furnace Pelletizing Process ore deposit.
Background technology
In Shaft Furnace Pelletizing Process ore deposit produces, produce the ash-laden gas that large amount temperature is higher, need to administer, improve environment.Current extensive use electric cleaner, when ash-laden gas passes through the flue of electric cleaner main body, make the dust in its flue gas positively charged, flue gas enters multilayer cathode plate in electric cleaner, the mutual suction-operated of positively charged flue dust and minus plate, makes adsorbing powder dust in flue gas on minus plate, regularly impacts minus plate, be gathered in dust on the minus plate ash bucket below the double action drop of deadweight and vibration drops on electric cleaner structure, thereby remove dust.The defect existing is: electric cleaner initial operating stage, and dust removing effects can reach requirement substantially, but along with the continuity of running time, the distortion of electric cleaner intraware, dust stratification, electric field change, efficiency of dust collection constantly declines, and soot emissions exceed standard; The operation comprehensive cost of electric cleaner is high, and electric cleaner is after operation one-period, and internal structure is out of shape, damage comparison is serious, for guaranteeing that it normally moves, need often electric cleaner to be keeped in repair, the expense that drops into human and material resources is high, and the loss that maintenance stopping production brings is large; Shell of dust remover seriously corroded, causes steel plate sealing-off to cause unloading valve jam in addition, and ash bucket, because of problems such as the poor frequent generation putties of housing seal, causes on-the-spot airborne dust large during processing, also contaminated environment.
Summary of the invention
In order to overcome the defect of prior art, the purpose of this utility model is to provide a kind of shaft furnace sack cleaner, and the dedusting of producing for Shaft Furnace Pelletizing Process ore deposit can effectively solve ESP Efficiency fluctuation, move the problem that comprehensive cost is high and airborne dust is large.
Shaft furnace sack cleaner, comprises blowing device, casing, lift valve, ash bucket, cinerary device, deashing controller, air inlet and exhaust outlet, is characterized in, described blowing device and deashing controller are arranged on the top of casing; In casing, horizontally set is evenly equipped with the card of air vent, casing is divided into two parts, top is air-purifying chamber, bottom is filter bag chamber, filter bag chamber is communicated with air inlet, and air-purifying chamber is communicated with exhaust outlet, indoor number and the corresponding filter bag of air vent of being longitudinally placed with of filter bag, filter bag upper end is connected to disposed at air vent, and casing lower end connects ash bucket and cinerary device; Lift valve is arranged on air-purifying chamber outside, and lower end connects cover plate.
The utility model further improves, described blowing device is arranged on the top of casing, by air accumulator and injection tube, formed, injection tube one end is connected with air accumulator by snap joint, bend pipe, sealing end is fixed on bracing frame, the winding-up arm of establishing in injection tube is arranged on casing, and mouth of pipe level is positioned at sack top.
The utility model further improves, and described lift valve is arranged on air-purifying chamber outside, and the cover plate of lower end is arranged on top, air port, and before winding-up, lift valve drives cover plate to cut out air port, cuts off air-flow; Blowing device work back shroud is opened, and the logical dust bag room of air-flow carries out dust removal by filtration.
The utility model further improves, and described cinerary device consists of bulk cement storage tank, unloading valve and two stirring cage humidifier, and bulk cement storage tank is concentrated and stored dust stratification in ash bucket, and unloading valve is installed in bottom, and two stirring cage humidifiers are installed in unloading valve bottom.
The utility model further improves, and the filter bag of described deduster adopts rounded pocket, is suspended on card; In every filter bag, there is one bag of cage, for supporting filter bag and preventing filter bag distortion.
During work, ash-laden gas enters ash bucket by air inlet, along with air velocity slows down, part dust falls into ash bucket, all the other most of dust rise and enter each filter bag chamber with air-flow, after filter bag filters, dust is trapped in the outside of filter bag, and purified gas enters air-purifying chamber by filter bag inside through air vent through filter bag, then discharges through exhaust outlet.
Deashing controller sends deashing instruction, first operating room's cover plate is closed, and cuts off filtered airflow; Then, deashing controller sends signal to impulse electromagnetic valve, along with pulse valve is sent compressed air into air-purifying chamber, and the rapid bulging of filter bag, and produce strong shake, and the dust in filter bag outside is shaken off, and deashing is complete, lift valve work, cover plate is opened, and recovers filtration condition; Deduster is divided into several operating rooms, and when deashing process carries out ,Yi Ge operating room deashing by chamber, all the other chamber districts still work, and have guaranteed the continuous normal operation of equipment.
Compared with prior art, advantage is: efficiency of dust collection is high, can trap, electric precipitation higher than resistance and be difficult to dust that reclaim, trickle and dry; Simple in structure, auxiliary device is few, reduced investment; Stable and reliable for performance, good to load variations adaptability, operational management is easy; Putting ash does not have airborne dust, and production scene is clean.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model will be further described.
Fig. 1 is shaft furnace sack cleaner structural representation;
Fig. 2 is the utility model structure of filter bag schematic diagram.
In figure: 1 blowing device, 1.1 air accumulators, 1.2 injection tubes, 1.3 winding-up arms, 1.4 bracing frames, 2 casings, 2.1 air-purifying chambers, 2.2 filter bag chambers, 2.3 cards, 2.4 air vents, 2.5 filter bags, 2.6 air ports, 2.7 bags of cages, 3 lift valves, 3.1 cover plates, 4 ash buckets, 5 cinerary devices, 5.1 bulk cement storage tanks, 5.2 unloading valves, 6 deashing controllers, 7 air inlets, 8 exhaust outlets.
The specific embodiment
Below in conjunction with embodiment, the utility model will be further described.
Embodiment as seen from Figure 1, shaft furnace sack cleaner, comprise blowing device 1, casing 2, lift valve 3, ash bucket 4, cinerary device 5, deashing controller 6, air inlet 7 and exhaust outlet 8, be characterized in, described blowing device and deashing controller are arranged on the top of casing; In casing, horizontally set one is evenly equipped with the card 2.3 of air vent 2.4, casing is divided into two parts, top is air-purifying chamber 2.1, bottom is filter bag chamber 2.2, filter bag chamber is communicated with air inlet, and air-purifying chamber is communicated with exhaust outlet, indoor number and the corresponding filter bag 2.5 of air vent of being longitudinally placed with of filter bag, filter bag upper end is connected to disposed at air vent, and casing lower end connects ash bucket and cinerary device; Lift valve is arranged on air-purifying chamber outside, and lower end connects cover plate 3.1.
Described blowing device 1 is arranged on the top of casing 2, by air accumulator 1.1 and injection tube 1.2, formed, injection tube one end is connected with air accumulator by snap joint, bend pipe, sealing end is fixed on bracing frame 1.4, the winding-up arm 1.3 of establishing in injection tube is arranged on casing, and mouth of pipe level is positioned at sack top.
Described lift valve 3 is arranged on air-purifying chamber 2.1 outsides, and the cover plate 3.1 of lower end is arranged on 2.6 tops, air port, and before winding-up, lift valve drives cover plate to cut out air port, cuts off air-flow; Blowing device work back shroud is opened, and the logical dust bag room 2.2 of air-flow carries out dust removal by filtration.
Described cinerary device 5 consists of bulk cement storage tank 5.1, unloading valve 5.2 and two stirring cage humidifier, and bulk cement storage tank is concentrated and stored dust stratification in ash bucket, and unloading valve is installed in bottom, and two stirring cage humidifiers are installed in unloading valve bottom.
The filter bag 2.5 of described deduster adopts rounded pocket, is suspended on card 2.3; In every filter bag, there is one bag of cage 2.7, for supporting filter bag and preventing filter bag distortion.
During work, ash-laden gas enters ash bucket by air inlet, along with air velocity slows down, part dust falls into ash bucket, all the other most of dust rise and enter each filter bag chamber with air-flow, after filter bag filters, dust is trapped in the outside of filter bag, and purified gas enters air-purifying chamber by filter bag inside through air vent through filter bag, then discharges through exhaust outlet.
Deashing controller sends deashing instruction, first operating room's cover plate is closed, and cuts off filtered airflow; Then, deashing controller sends signal to impulse electromagnetic valve, along with pulse valve is sent compressed air into air-purifying chamber, and the rapid bulging of filter bag, and produce strong shake, and the dust in filter bag outside is shaken off, and deashing is complete, lift valve work, cover plate is opened, and recovers filtration condition; Deduster is divided into several operating rooms, and when deashing process carries out ,Yi Ge operating room deashing by chamber, all the other chamber districts still work, and have guaranteed the continuous normal operation of equipment.
Claims (5)
1. shaft furnace sack cleaner, comprise blowing device (1), casing (2), lift valve (3), ash bucket (4), cinerary device (5), deashing controller (6), air inlet (7) and exhaust outlet (8), it is characterized in that: described blowing device (1) and deashing controller (6) are arranged on the top of casing (2); The interior horizontally set one of casing (2) is evenly equipped with the card (2.3) of air vent (2.4), casing (2) is divided into two parts, top is air-purifying chamber (2.1), bottom is filter bag chamber (2.2), filter bag chamber (2.2) is communicated with air inlet (7), air-purifying chamber (2.1) is communicated with exhaust outlet (8), in filter bag chamber (2.2), be longitudinally placed with the corresponding filter bag (2.5) of number and air vent (2.4), filter bag (2.5) upper end is connected to air vent (2.4) and locates, and casing (2) lower end connects ash bucket (4) and cinerary device (5); Lift valve (3) is arranged on air-purifying chamber (2.1) outside, and lower end connects cover plate (3.1).
2. shaft furnace sack cleaner according to claim 1, it is characterized in that: described blowing device (1) is arranged on the top of casing (2), by air accumulator (1.1) and injection tube (1.2), formed, injection tube (1.2) one end is connected with air accumulator (1.1) by snap joint, bend pipe, sealing end is fixed on bracing frame (1.4), it is upper that the winding-up arm (1.3) of establishing in injection tube (1.2) is arranged on casing (2), and mouth of pipe level is positioned at sack top.
3. shaft furnace sack cleaner according to claim 1, it is characterized in that: described lift valve (3) is arranged on air-purifying chamber (2.1) outside, the cover plate of lower end (3.1) is arranged on top, air port (2.6), before winding-up, lift valve (3) drives cover plate (3.1) to cut out air port (2.6), cuts off air-flow; Blowing device (1) work back shroud (3.1) is opened, and air-flow leads to dust bag room (2.2) and carries out dust removal by filtration.
4. shaft furnace sack cleaner according to claim 1, it is characterized in that: described cinerary device (5) consists of bulk cement storage tank (5.1), unloading valve (5.2) and two stirring cage humidifier, bulk cement storage tank (5.1) is concentrated and is stored the interior dust stratification of ash bucket (4), unloading valve (5.2) is installed in bottom, and two stirring cage humidifiers are installed in unloading valve (5.2) bottom.
5. shaft furnace sack cleaner according to claim 1, is characterized in that: the filter bag of described deduster (2.5) adopts rounded pocket, is suspended on card (2.3); In every filter bag (2.5), there is one bag of cage (2.7), for supporting filter bag (2.5) and preventing filter bag (2.5) distortion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320373897.3U CN203400593U (en) | 2013-06-27 | 2013-06-27 | Bag-type dust collector for shaft furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320373897.3U CN203400593U (en) | 2013-06-27 | 2013-06-27 | Bag-type dust collector for shaft furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203400593U true CN203400593U (en) | 2014-01-22 |
Family
ID=49936536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320373897.3U Expired - Fee Related CN203400593U (en) | 2013-06-27 | 2013-06-27 | Bag-type dust collector for shaft furnace |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203400593U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106943810A (en) * | 2017-04-19 | 2017-07-14 | 攀枝花川特风机有限公司 | Rotary counter-blowing flat bag deduster |
CN108310878A (en) * | 2017-08-19 | 2018-07-24 | 山东联西建环境科技有限公司 | A kind of metallurgy blast furnace cast house gas cleaning sack cleaner |
CN113440941A (en) * | 2021-07-06 | 2021-09-28 | 永安恒弘能源科技有限公司 | Automatic fault-proof protection device for bag-type dust remover |
-
2013
- 2013-06-27 CN CN201320373897.3U patent/CN203400593U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106943810A (en) * | 2017-04-19 | 2017-07-14 | 攀枝花川特风机有限公司 | Rotary counter-blowing flat bag deduster |
CN108310878A (en) * | 2017-08-19 | 2018-07-24 | 山东联西建环境科技有限公司 | A kind of metallurgy blast furnace cast house gas cleaning sack cleaner |
CN113440941A (en) * | 2021-07-06 | 2021-09-28 | 永安恒弘能源科技有限公司 | Automatic fault-proof protection device for bag-type dust remover |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201632155U (en) | Long-bag low-pressure bag type dust remover | |
CN202844811U (en) | Electric-bag combined dust collection device | |
CN103372361A (en) | Single pulse bag type dust collector | |
CN203400593U (en) | Bag-type dust collector for shaft furnace | |
CN104548784A (en) | Inner-filtering inner-blowing type bag type dust collector and ash removal method thereof | |
CN106196123A (en) | A kind of boiler smoke dust pelletizing system | |
CN105327585A (en) | Integrated dust collector device and dedusting method | |
CN201676610U (en) | Inner-filter type big-bag dust collector | |
CN201551923U (en) | Impulse dust recovery device | |
CN205699984U (en) | A kind of orientation dust removal machine | |
CN204709989U (en) | Saving low pulse dust collector | |
CN216639554U (en) | Device for collecting and recycling diffused gas at top of blast furnace | |
CN102925603B (en) | Process and device for recycling pressure-equalizing diffusion gas at blast furnace top | |
CN202237604U (en) | Pulsed bag type deduster for uniformly distributing air flow | |
CN205164415U (en) | Integrated dust remover device | |
CN203437007U (en) | W-shaped pre-de-dusting device | |
CN103537145A (en) | Air inlet flow guide device applied to bag type dust remover | |
CN203711152U (en) | Converter gas electrostatic precipitator | |
CN203370432U (en) | Stand-alone pulse bag-type dust collector | |
CN203458917U (en) | Bag type dust collector | |
CN205042858U (en) | Defeated coal belt baffle box negative pressure dust suppression device | |
CN206652619U (en) | A kind of rotoclone collector | |
CN109772058A (en) | A kind of Mechanized dry filter dust pelletizing system | |
CN201529470U (en) | Vertical curved surface electric filter bag combined dust remover | |
CN206676157U (en) | A kind of pulsed jet cloth filter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20210627 |