CN203173200U - Dedusting pulverized coal recovering device - Google Patents

Dedusting pulverized coal recovering device Download PDF

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Publication number
CN203173200U
CN203173200U CN2013200234096U CN201320023409U CN203173200U CN 203173200 U CN203173200 U CN 203173200U CN 2013200234096 U CN2013200234096 U CN 2013200234096U CN 201320023409 U CN201320023409 U CN 201320023409U CN 203173200 U CN203173200 U CN 203173200U
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CN
China
Prior art keywords
dedusting
pulverized coal
coal dust
recovering
regenerative
Prior art date
Application number
CN2013200234096U
Other languages
Chinese (zh)
Inventor
刘煜
张一帆
朱锦明
林成城
毛晓明
陈永明
沈雪峰
张文亮
潘景照
程申涛
Original Assignee
宝山钢铁股份有限公司
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Application filed by 宝山钢铁股份有限公司 filed Critical 宝山钢铁股份有限公司
Priority to CN2013200234096U priority Critical patent/CN203173200U/en
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Publication of CN203173200U publication Critical patent/CN203173200U/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The utility model discloses a dedusting pulverized coal recovering device. The dedusting pulverized coal recovering device comprises a dedusting pulverized coal input pipeline and a dedusting pulverized coal storage bin connected with the dedusting pulverized coal input pipeline, wherein a valve is arranged on the dedusting pulverized coal input pipeline, the bottom portion of the dedusting pulverized coal storage bin is in an inverted cone shape, the top of the dedusting pulverized coal storage bin is cylindrical, a gas fluidifying device is arranged on the lateral side of the inverted cone, a cindervalve is arranged on the bottom of the inverted cone, a conveying device is arranged below the cindervalve, and a surface-mounted coupler and a CO concentration detector are arranged on the cylindrical top portion. According to the dedusting pulverized coal recovering device, a whole dedusting pulverized coal recovering system is made to be under the condition of nitrogen inert atmosphere under micro-positive pressure, air is prevented from entering a recovering bin, accidents, such as smoldering and even explosion, of pulverized coal are avoided in a storing process, and fire and explosion protection of the system is guaranteed. The dedusting pulverized coal recovering device has the advantages of being simple in structure, safe in use, capable of effectively recovering pulverized coal resources, high in economic benefit, and light in environmental pollution.

Description

A kind of dedusting coal dust regenerative apparatus

Technical field

The utility model relates to dust and reclaims the field, is specifically related to a kind of regenerative apparatus that the dedusting coal dust that produces in the stove coal agglomeration process is used for pulverized coal injection into blast furna.

Background technology

The comprehensive application of current coal dust relates generally to the fly ash in electric power plant field, utilizes approach to mainly contain: 1) last useless lime-ash behind the utilization extraction aluminium adds suitable agstone, production high-quality, high trade mark cement; 2) utilize SiO in the fine coal 2And Al 2O 3, and be mixed and made into cellular glass with 30% lightweight clay; 3) as the raw material that fills ground, can increase the bearing capacity of ground greatly.With respect to the fly ash that power plant produces, the dedusting coal dust has fixed carbon content height, calorific value advantages of higher, in order effectively to utilize its advantage.Therefore, how the dedusting coal dust effectively being utilized, is a problem that needs to be resolved hurrily in enterprise's realization production sustainable development process.

Iron-smelting furnace of the prior art is when making iron, and need carry out agglomeration after coal is worn into powder again.To produce coal dust in the agglomeration process, usually this dust be collected by dust collector in the production process, and collect good coal dust then and sell outside firm with the form of solid waste, the price of take-away is 1/4th of former coal dust price.And take out easy airborne dust when transporting, and cause environmental pollution, in case can not in time transport outward, coal dust accumulation time length can cause fire even blast.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of safe, simple in structure, economic benefit is high, environmental pollution is little dedusting coal dust regenerative apparatus.

A kind of dedusting coal dust regenerative apparatus comprises dedusting coal dust input channel and the dedusting coal dust storage warehouse that links to each other with described pipeline, and described coal dust input channel is provided with valve; Described dedusting coal dust storage warehouse bottom is back taper, and the top is cylindrical;

Be provided with gas fluidized device in described back taper side, be provided with unloading valve in described back taper bottom, described unloading valve is arranged with transmitting device; Be provided with paster galvanic couple and CO concentration detector at cylinder-shaped top.

Wherein, be provided with dust collector at described cylinder-shaped top.

Wherein, be provided with the watering mixing device above the described transmitting device.

Wherein, described valve is manually-operated gate.

Further, described gas fluidized device is nitrogen fluidisation device.

Further, described dust collector is bag-type dust collector.

Further, described bag-type dust collector is the electrostatic prevention bag-type dust collector.

In addition, also can be provided with weighing apparatus and level gauge on the described dedusting coal dust storage warehouse.

The beneficial effects of the utility model are:

Setting of the present utility model is in the nitrogen inert atmosphere of pressure-fired whole dedusting coal dust recovery system, avoid air to enter in the recovery bin, stop coal dust and in storage process, glow, even accident such as blast, thereby guarantee that system realizes fire-proof and explosion-proof purpose.

And CO concentration detector and paster galvanic couple that recovery bin is installed are arranged to have high sensitivity, and energy continuous detecting, record and warning.In addition, the watering mixing device is installed in recovery bin discharge exit, can be reduced airborne dust.

The utility model can reduce in the removal process airborne dust to the pollution of environment; Original solid waste (dedusting coal dust) is used for pulverized coal injection, substitutes the blowing bituminous coal that the part blast furnace is used, give full play to its economic benefit; Improve the safety of removal process.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present utility model being done one describes in detail.

Fig. 1 is structural representation of the present utility model;

Among the figure: 1-unloading valve; 2-gas fluidized device; 3-weighing apparatus; 4-level gauge; 5-valve; 6-dust collector; 7-CO concentration detector; 8-coal dust input channel; 9-watering mixing device; 10-transmitting device; 11-paster galvanic couple, 12-dedusting coal dust storage warehouse.

The specific embodiment

As shown in Figure 1, a kind of dedusting coal dust regenerative apparatus comprises dedusting coal dust input channel 8 and the dedusting coal dust storage warehouse 12 that links to each other with described pipeline, and described coal dust input channel 8 is provided with valve 5; Described dedusting coal dust storage warehouse 12 bottoms are back taper, and the top is cylindrical; The floor space of back taper equates with the cylindrical bottom area.

Be provided with gas fluidized device 2 in described back taper side, be provided with unloading valve 1 in described back taper bottom, described unloading valve 1 is arranged with transmitting device 10; Be provided with paster galvanic couple 11 and CO concentration detector 7 at cylinder-shaped top.

Be provided with dust collector 6 at cylinder-shaped top.Described transmitting device top is provided with watering mixing device 9.Wherein, described valve can be manually-operated gate.Gas fluidized device 2 is nitrogen fluidisation device.

One preferred embodiment in, described dust collector is bag-type dust collector.Further, described bag-type dust collector can be the electrostatic prevention bag-type dust collector.

In addition, also can be provided with weighing apparatus 3 and level gauge 4 on the described dedusting coal dust storage warehouse.

Workflow of the present utility model is, dedusting coal dust regenerative apparatus as shown in Figure 1, when the vacuum reservoir car is transported to dedusting coal dust regenerative apparatus place with the dedusting coal dust, utilize manually-operated gate 5, by fine coal input channel 8 dedusting fine coal is fed through in the bag-type dust collector 6, filtration by bag-type dust collector 6, the dedusting coal dust of sending into is separated from the gas, and monitor by weighing apparatus 3, level gauge 4, CO concentration detector 7 and 11 pairs of dedusting fine coal of paster galvanic couple storage warehouse, guarantee the safe operation of storage warehouse.

In use, open unloading valve 1, by the effect of gas fluidized device 2, make the dedusting fine coal in the dedusting fine coal storage warehouse 12 pass through unloading valve 1 smoothly, enter dedusting fine coal transmitting device.

Dedusting fine coal at first enters the solarization water mixing device 9 in the dust-removing powder device for coal, shines water mixing device 9 dedusting fine coal chance is dropped on the belt transmission device 10 under water, and along with belt transmission device 10 is transported to coal mill powder process, enter blast furnace at last.

The utility model is simple in structure, uses safety, simultaneously can effective recycling coal dust resource.After implementing the utility model, recycle the dedusting coal dust, with its alternative part pulverized coal injection into blast furna, effectively saved the energy, provided cost savings.

Claims (8)

1. a dedusting coal dust regenerative apparatus comprises dedusting coal dust input channel and the dedusting coal dust storage warehouse that links to each other with described pipeline, and it is characterized in that: described coal dust input channel (8) is provided with valve (5); Described dedusting coal dust storage warehouse bottom is back taper, and the top is cylindrical;
Be provided with gas fluidized device (2) in described back taper side, be provided with unloading valve (1) in described back taper bottom, described unloading valve (1) is arranged with transmitting device (10); Be provided with paster galvanic couple (11) and CO concentration detector (7) at cylinder-shaped top.
2. dedusting coal dust regenerative apparatus according to claim 1 is characterized in that, is provided with dust collector (6) at described cylinder-shaped top.
3. dedusting coal dust regenerative apparatus according to claim 1 is characterized in that, described transmitting device (10) top is provided with watering mixing device (9).
4. dedusting coal dust regenerative apparatus according to claim 1 is characterized in that, described valve (5) is manually-operated gate.
5. dedusting coal dust regenerative apparatus according to claim 1 is characterized in that, described gas fluidized device (2) is nitrogen fluidisation device.
6. dedusting coal dust regenerative apparatus according to claim 2 is characterized in that, described dust collector (6) is bag-type dust collector.
7. dedusting coal dust regenerative apparatus according to claim 6 is characterized in that, described bag-type dust collector is the electrostatic prevention bag-type dust collector.
8. dedusting coal dust regenerative apparatus according to claim 1 is characterized in that, described dedusting coal dust storage warehouse is provided with weighing apparatus and level gauge.
CN2013200234096U 2013-01-16 2013-01-16 Dedusting pulverized coal recovering device CN203173200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013200234096U CN203173200U (en) 2013-01-16 2013-01-16 Dedusting pulverized coal recovering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013200234096U CN203173200U (en) 2013-01-16 2013-01-16 Dedusting pulverized coal recovering device

Publications (1)

Publication Number Publication Date
CN203173200U true CN203173200U (en) 2013-09-04

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CN2013200234096U CN203173200U (en) 2013-01-16 2013-01-16 Dedusting pulverized coal recovering device

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CN (1) CN203173200U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104028071A (en) * 2014-06-20 2014-09-10 山东电力建设第一工程公司 Dust collection device of multi-functional environment-friendly dust-free cement tank
CN104492182A (en) * 2014-12-18 2015-04-08 中冶京诚工程技术有限公司 Storage type coal-powder collector
CN104998482A (en) * 2015-07-30 2015-10-28 泰富海洋工程装备(天津)有限公司 Explosion-proof dust collector and explosion-proof control method
CN105011859A (en) * 2015-07-30 2015-11-04 泰富海洋工程装备(天津)有限公司 Movable anti-explosion vacuum dust collection device and anti-explosion control method thereof
CN105018666A (en) * 2014-04-28 2015-11-04 宝山钢铁股份有限公司 Method for conducting melting reduction on dust removal pulverized coal through COREX
CN105771507A (en) * 2016-03-10 2016-07-20 颜声林 Dust collection equipment with on-line dusting volume detection function

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105018666A (en) * 2014-04-28 2015-11-04 宝山钢铁股份有限公司 Method for conducting melting reduction on dust removal pulverized coal through COREX
CN104028071A (en) * 2014-06-20 2014-09-10 山东电力建设第一工程公司 Dust collection device of multi-functional environment-friendly dust-free cement tank
CN104492182A (en) * 2014-12-18 2015-04-08 中冶京诚工程技术有限公司 Storage type coal-powder collector
CN104998482A (en) * 2015-07-30 2015-10-28 泰富海洋工程装备(天津)有限公司 Explosion-proof dust collector and explosion-proof control method
CN105011859A (en) * 2015-07-30 2015-11-04 泰富海洋工程装备(天津)有限公司 Movable anti-explosion vacuum dust collection device and anti-explosion control method thereof
CN105771507A (en) * 2016-03-10 2016-07-20 颜声林 Dust collection equipment with on-line dusting volume detection function

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