CN110144465A - A kind of device and technique handling iron content, Zinc-Bearing Wastes - Google Patents
A kind of device and technique handling iron content, Zinc-Bearing Wastes Download PDFInfo
- Publication number
- CN110144465A CN110144465A CN201910209969.2A CN201910209969A CN110144465A CN 110144465 A CN110144465 A CN 110144465A CN 201910209969 A CN201910209969 A CN 201910209969A CN 110144465 A CN110144465 A CN 110144465A
- Authority
- CN
- China
- Prior art keywords
- quirk
- region
- dirt mud
- flue gas
- processing
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to the device of fixed-end forces technical field more particularly to a kind of processing iron content, Zinc-Bearing Wastes, the device of processing iron content of the invention, Zinc-Bearing Wastes, including dirt mud processing region and quirk region, quirk area distribution is in the two sides of dirt mud processing region；Dirt mud processing region and quirk region are alternately arranged along single direction, and iron content, Zinc-Bearing Wastes flow from above to below in the processing area, and the high-temperature flue gas for generation of burning flows from bottom to top in quirk area；Reduction is realized by adequately heat exchange between dirt mud and high-temperature flue gas, direct reduction unit of the invention has many advantages, such as that processing capacity is big, space occupied is small, energy utilization rate is high, simple and effective, the saving energy.
Description
Technical field
The present invention relates to the devices and technique of fixed-end forces technical field more particularly to a kind of processing iron content, Zinc-Bearing Wastes.
Background technique
A large amount of dust, sludge (blast furnace cloth bag ash, steel-making cinder and fine ash, head ash can be generated in steel manufacture process
And steel-making dedusting ash etc.), dust total amount is generally the 8%~12% of output of steel, and granularity of dust is small, and processing difficulty is big, wherein past
Toward containing objectionable impurities such as zinc, lead, potassium, sodium, chlorine, lead to not direct effective recycling.It, not only can be dirty if not being pocessed
Dye environment influences to produce the problems such as resulting in waste of resources, also cause dross in furnace, line clogging.
Therefore, it is urgent to provide a kind of simple and effective, the saving energy processing iron content, the device of Zinc-Bearing Wastes.
Summary of the invention
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides that a kind of processing capacity is big, space occupied is small, simply has
It imitates, the device of the processing iron content of the saving energy, Zinc-Bearing Wastes.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
The present invention provides a kind of device for handling iron content, Zinc-Bearing Wastes, including dirt mud processing region and quirk region, quirk
Area distribution is alternately arranged in the two sides of dirt mud processing region, dirt mud processing region and quirk region along single direction, and iron content contains
Zinc fume mud from top to bottom flows in dirt mud processing region, and the high-temperature flue gas for generation of burning flows from bottom to top in quirk region.
Further, dirt mud processing region includes treatment region bringing-up section and treatment region reduction section, and treatment region bringing-up section is located at
The top for the treatment of region reduction section, dirt mud flow into treatment region reduction section after the outflow for the treatment of region bringing-up section, and quirk region includes quirk
Area, is provided with quirk burner below quirk area, and quirk area side wall is provided with flue gas flow-through opening, high-temperature flue gas from quirk burner into
Enter quirk area, flowed from bottom to top in quirk, is flowed out in treatment region bringing-up section from flue gas flow-through opening.
Further, positioned at the dirt mud for the treatment of region bringing-up section with from flue gas flow-through opening flow out and opened from treatment region bringing-up section
Mouthful high-temperature flue gas direct contact heat transfer flowed into, the dirt mud after direct contact heat transfer are flowed downwardly into treatment region reduction section, are flowed into
The dirt mud for the treatment of region reduction section and from quirk burner enter high-temperature flue gas between by the way of septate heat transfer the reaction was continued.
Further, dirt mud discharge valve is set below treatment region, and logical by adjusting dirt mud discharge valve closes control dirt
Residence time of the mud in treatment region.
Further, tail gas passing away is provided with above treatment region bringing-up section, reducing zone generates tail gas and quirk area
Flue gas is discharged through the tail gas passing away above treatment region, carries out subsequent processing and waste heat recycling.
Further, distance of the flue gas flow-through opening of quirk area wing furnace wall setting apart from furnace roof is by heating time and reduction
Time codetermines, and is the 1/4~1/3 of furnace height apart from furnace roof distance.
Further, high-temperature flue gas can be generated by combustion gas through burner combustion, can also directly by outside import, flue gas into
Mouth temperature need to be greater than 1300 DEG C.
A kind of processing iron content, the technique of Zinc-Bearing Wastes, comprising: setting dirt mud processing region and quirk region, and at dirt mud
Reason region and quirk region are alternately arranged along single direction, that is, device length direction, by iron content, Zinc-Bearing Wastes from dirt mud treatment region
It is conveyed into dirt mud processing region above domain, dirt mud is flowed from above to below in dirt mud processing region by self gravity, high temperature cigarette
The quirk burner that gas is arranged below quirk region is passed through, flow from bottom to top in quirk region, and dirt mud is flowing downward
In the process first with high-temperature flue gas carry out direct contact heat transfer heat is improved rapidly to dirt mud, the dirt mud after direct contact heat transfer again with
High-temperature flue gas carries out septate heat transfer sufficiently to react.
According to technique as described above, further, dirt mud treatment region be divided into from top to bottom treatment region bringing-up section and
Treatment region reduction section, dirt mud are flowed from treatment region bringing-up section to treatment region reduction section, and high-temperature flue gas can enter directly into processing
In area's bringing-up section, with the dirt mud direct contact heat transfer in treatment region bringing-up section；
Dirt mud after direct contact heat transfer flows downwardly into treatment region reduction section, flow into treatment region reduction section dirt mud with from
It cannot directly be contacted between the high-temperature flue gas that quirk burner enters, and the reaction was continued by the way of septate heat transfer, septate heat transfer
Dirt mud sufficiently after reaction is flowed out from the dirt mud discharge valve being arranged below treatment region reduction section, and high-temperature flue gas is under quirk area
The quirk burner of side flows into, the tail gas passing away discharge being finally arranged above treatment region bringing-up section.
(3) beneficial effect
The beneficial effects of the present invention are: the device of processing iron content of the invention, Zinc-Bearing Wastes, have that processing capacity is big, accounts for
The advantages that ground space is small, energy utilization rate is high.
Detailed description of the invention
Fig. 1 is processing iron content of the invention, the device overall structure figure of Zinc-Bearing Wastes.
[description of symbols]
1: treatment region bringing-up section；2: treatment region reduction section；3: quirk area；4: quirk burner；5: flue gas flow-through opening；6: tail
Gas passing away；7: dirt mud discharge valve.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
Provide herein, it is described above and below positional relationship be in contrast, it is specific to be close to ground
Lower section is top far from ground.
The present invention provides a kind of device for handling iron content, Zinc-Bearing Wastes, including dirt mud processing region and quirk region, quirk
Area distribution is flowed from above to below in the two sides of dirt mud processing region, dirt mud in processing region, and the high-temperature flue gas for generation of burning exists
It flows from bottom to top in quirk region.Preferably, dirt mud processing region and quirk region are alternately arranged along single direction.
Specifically, dirt mud processing region includes treatment region bringing-up section 1 and treatment region reduction section 2, and treatment region bringing-up section 1 is located at
The top for the treatment of region reduction section 2, quirk region include quirk area 3, and quirk burner 4,3 side of quirk area are provided with below quirk area 3
Wall is provided with flue gas flow-through opening 5, and high-temperature flue gas enters quirk area 3 from quirk burner 4, while high-temperature flue gas can be from flue gas stream
Mouth 5 is opened up to be flowed into treatment region bringing-up section 1.
Further, it is directly connect positioned at the dirt mud for the treatment of region bringing-up section 1 with the high-temperature flue gas flowed into from flue gas flow-through opening 5
Touching heat exchange, the dirt mud after direct contact heat transfer flow downwardly into treatment region reduction section 2, flow into the dirt mud for the treatment of region reduction section 2 with
Reduction is realized from the reaction was continued by the way of septate heat transfer between the high-temperature flue gas that quirk burner 4 enters.
Preferably, tail gas passing away 6 is provided with above treatment region bringing-up section 1, reducing zone generates tail gas and quirk area
Flue gas is discharged through tail gas passing away 6, carries out subsequent processing and waste heat recycling.
Preferably, dirt mud discharge valve 7 is set below treatment region, and logical by adjusting dirt mud discharge valve 7 closes control dirt
Mud is in the residence time for the treatment of region, and treated, and dirt mud is discharged from dirt mud discharge valve 7, the dirt being discharged from dirt mud discharge valve 7
Valuable element and iron inside mud can be recycled.
Preferably, quirk area bottom device fuel burner nozzle generates high-temperature flue gas.
Preferably, high-temperature flue gas can be generated by combustion gas through burner combustion, can also directly be imported by outside, gas inlet
Temperature need to be greater than 1300 DEG C.
Preferably, when distance of the flue gas flow-through opening of quirk area wing furnace wall setting apart from furnace roof is by heating time and reduction
Between codetermine, the distance apart from furnace roof be furnace height 1/4~1/3.
According to processing iron content as described above, the device of Zinc-Bearing Wastes, a kind of processing iron content, the work of Zinc-Bearing Wastes are now provided
Skill, comprising:
Dirt mud processing region and quirk region are set, and dirt mud processing region and quirk region are long along single direction, that is, device
Degree direction is alternately arranged, and iron content, Zinc-Bearing Wastes is conveyed into dirt mud processing region from above dirt mud processing region, dirt mud is in dirt
Mud processing region is flowed from above to below by self gravity, and the quirk burner 4 that high-temperature flue gas is arranged below quirk region is passed through,
It is flowed from bottom to top in quirk region, dirt mud first carries out direct contact heat transfer pair with high-temperature flue gas during flowing downward
Dirt mud improves rapidly heat, and the dirt mud after direct contact heat transfer carries out septate heat transfer with high-temperature flue gas again sufficiently to react.
Further, dirt mud treatment region is divided into treatment region bringing-up section 1 and treatment region reduction section 2, dirt mud from top to bottom
It is flowed from treatment region bringing-up section 1 to treatment region reduction section 2, high-temperature flue gas can enter directly into treatment region bringing-up section 1, with place
Manage the dirt mud direct contact heat transfer in area's bringing-up section 1.
Dirt mud after direct contact heat transfer flows downwardly into treatment region reduction section 2, flow into treatment region reduction section 2 dirt mud with
It cannot directly be contacted between the high-temperature flue gas that quirk burner 4 enters, and the reaction was continued by the way of septate heat transfer, partition changes
Dirt mud after hot sufficiently reaction is flowed out from the dirt mud discharge valve 7 being arranged below treatment region reduction section 2, and high-temperature flue gas is from quirk
Quirk burner 4 below region flows into, and the passing away 6 being finally arranged above treatment region bringing-up section 1 is discharged.
Specifically, when iron content, Zinc-Bearing Wastes are heated to certain temperature by high-temperature flue gas, iron and zinc in dirt mud can be made
Oxide is reduced, and zinc evaporates at high temperature, is reacted with oxygen and is generated zinc oxide, as high-temperature flue gas is discharged from device together,
Subsequent collection processing is carried out, recycling is discharged in the remaining iron being reduced from device.
The device of processing iron content, Zinc-Bearing Wastes of the invention, with processing capacity is big, space occupied is small, energy utilization rate
Height saves the advantages that energy.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above
Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but
The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired
Decorations, should be covered by the scope of protection of the present invention.
Claims (9)
1. the device of a kind of processing iron content, Zinc-Bearing Wastes, it is characterised in that:
Including dirt mud processing region and quirk region, quirk area distribution is in the two sides of dirt mud processing region；Dirt mud processing region
It is alternately arranged with quirk region along single direction；
Iron content, Zinc-Bearing Wastes from top to bottom flow in dirt mud processing region, the high-temperature flue gas of generation of burning quirk region from
Lower and upper flowing.
2. the device of processing iron content according to claim 1, Zinc-Bearing Wastes, which is characterized in that
Dirt mud processing region includes treatment region bringing-up section (1) and treatment region reduction section (2), and treatment region bringing-up section (1) is located at processing
The top of area's reduction section (2), dirt mud flow into treatment region reduction section (2) after flowing out from treatment region bringing-up section (1)；
Quirk region includes quirk area (3), is provided with quirk burner (4) below quirk area (3), quirk area (3) side wall is provided with
Flue gas flow-through opening (5), high-temperature flue gas enters quirk area (3) from quirk burner (4), while high-temperature flue gas can circulate from flue gas
Opening (5) is flowed into treatment region bringing-up section (1).
3. the device of processing iron content according to claim 2, Zinc-Bearing Wastes, which is characterized in that
Dirt mud positioned at treatment region bringing-up section (1) and the high-temperature flue gas direct contact heat transfer from flue gas flow-through opening (5) outflow, directly
Dirt mud after connecing contact heat-exchanging flows downwardly into treatment region reduction section (2), flow into the dirt mud for the treatment of region reduction section (2) with from quirk
The reaction was continued by the way of septate heat transfer between the high-temperature flue gas that burner (4) enters.
4. the device of processing iron content according to claim 3, Zinc-Bearing Wastes, which is characterized in that
It is provided with dirt mud discharge valve (7) below treatment region, logical by adjusting the dirt mud discharge valve (7) closes control dirt mud
In the residence time for the treatment of region.
5. the device of processing iron content according to claim 4, Zinc-Bearing Wastes, which is characterized in that
It is provided with tail gas passing away (6) above treatment region bringing-up section (1), reducing zone generates tail gas and quirk area flue gas through institute
Tail gas passing away (6) discharge is stated, subsequent processing and waste heat recycling are carried out.
6. the device of processing iron content according to claim 5, Zinc-Bearing Wastes, which is characterized in that
Distance of the flue gas flow-through opening of quirk area wing furnace wall setting apart from furnace roof is codetermined by heating time and recovery time,
It is the 1/4~1/3 of furnace height apart from furnace roof distance.
7. the device of processing iron content according to any one of claims 1 to 6, Zinc-Bearing Wastes, which is characterized in that
High-temperature flue gas can be generated by combustion gas through burner combustion, can also directly be imported by outside, gas inlet temperature need to be greater than
1300℃。
8. a kind of processing iron content, the technique of Zinc-Bearing Wastes characterized by comprising
Dirt mud processing region and quirk region are set, and dirt mud processing region and quirk region are along single direction, that is, device length side
To being alternately arranged, iron content, Zinc-Bearing Wastes are conveyed into dirt mud processing region, dirt mud relies on self gravity in dirt mud processing region
It flows from above to below, the quirk burner that high-temperature flue gas is arranged below quirk region is passed through, and is flowed from bottom to top in quirk region
Dynamic, dirt mud first carries out direct contact heat transfer with high-temperature flue gas during flowing downward and improves heat rapidly to dirt mud, directly
Dirt mud after contact heat-exchanging carries out septate heat transfer with high-temperature flue gas again sufficiently to react.
9. a kind of processing iron content, the technique of Zinc-Bearing Wastes according to claim 8, which is characterized in that dirt mud treatment region from
Top to bottm is divided into treatment region bringing-up section (1) and treatment region reduction section (2), and dirt mud is from treatment region bringing-up section (1) to treatment region
Reduction section (2) flowing, high-temperature flue gas can enter directly into that treatment region bringing-up section (1) is inner, the inner dirt with treatment region bringing-up section (1)
Mud direct contact heat transfer；
Dirt mud after direct contact heat transfer flows downwardly into treatment region reduction section (2), flow into treatment region reduction section (2) dirt mud with
It cannot directly be contacted between the high-temperature flue gas that quirk burner (4) enter, and the reaction was continued by the way of septate heat transfer, partition
Outflow in the dirt mud discharge valve (7) that dirt mud after heat exchange sufficiently reaction is arranged below treatment region reduction section (2), high-temperature flue gas
It is flowed into from the quirk burner (4) below quirk area, the tail gas passing away (6) being finally arranged above treatment region bringing-up section (1)
Discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910209969.2A CN110144465B (en) | 2019-03-19 | 2019-03-19 | Device and process for treating iron-containing and zinc-containing dust and sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910209969.2A CN110144465B (en) | 2019-03-19 | 2019-03-19 | Device and process for treating iron-containing and zinc-containing dust and sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110144465A true CN110144465A (en) | 2019-08-20 |
| CN110144465B CN110144465B (en) | 2020-05-19 |
Family
ID=67589465
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910209969.2A Active CN110144465B (en) | 2019-03-19 | 2019-03-19 | Device and process for treating iron-containing and zinc-containing dust and sludge |
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| CN (1) | CN110144465B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149421Y (en) * | 2007-11-20 | 2008-11-12 | 王艳英 | Dual purpose shaft furnace reduction apparatus for coal base and gas base |
| CN101666484A (en) * | 2009-08-28 | 2010-03-10 | 莱芜钢铁股份有限公司 | Horizontal type waste heat boiler of zinc-containing dust recovery system of rotary hearth furnace |
| CN201488545U (en) * | 2009-09-10 | 2010-05-26 | 沈阳铝镁设计研究院 | Heating structure at bottom of material box |
| CN101818263A (en) * | 2009-02-27 | 2010-09-01 | 鞍钢股份有限公司 | Method for reclaiming zinc-iron-containing dust and sludge |
| CN101893387A (en) * | 2010-07-20 | 2010-11-24 | 中冶赛迪工程技术股份有限公司 | Process for processing smoke |
| CN101929796A (en) * | 2009-06-23 | 2010-12-29 | 沈阳铝镁设计研究院 | Heating structure at bottom of bin of aluminium anode baking furnace |
| CN104807325A (en) * | 2014-12-09 | 2015-07-29 | 湖南奥特朗工业装备有限公司 | Tunnel kiln |
| CN107238289A (en) * | 2016-03-29 | 2017-10-10 | 沈阳铝镁设计研究院有限公司 | A kind of roaster is calcined control method |
| CN107238295A (en) * | 2016-03-29 | 2017-10-10 | 沈阳铝镁设计研究院有限公司 | A kind of roaster and method of roasting |
-
2019
- 2019-03-19 CN CN201910209969.2A patent/CN110144465B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201149421Y (en) * | 2007-11-20 | 2008-11-12 | 王艳英 | Dual purpose shaft furnace reduction apparatus for coal base and gas base |
| CN101818263A (en) * | 2009-02-27 | 2010-09-01 | 鞍钢股份有限公司 | Method for reclaiming zinc-iron-containing dust and sludge |
| CN101929796A (en) * | 2009-06-23 | 2010-12-29 | 沈阳铝镁设计研究院 | Heating structure at bottom of bin of aluminium anode baking furnace |
| CN101666484A (en) * | 2009-08-28 | 2010-03-10 | 莱芜钢铁股份有限公司 | Horizontal type waste heat boiler of zinc-containing dust recovery system of rotary hearth furnace |
| CN201488545U (en) * | 2009-09-10 | 2010-05-26 | 沈阳铝镁设计研究院 | Heating structure at bottom of material box |
| CN101893387A (en) * | 2010-07-20 | 2010-11-24 | 中冶赛迪工程技术股份有限公司 | Process for processing smoke |
| CN104807325A (en) * | 2014-12-09 | 2015-07-29 | 湖南奥特朗工业装备有限公司 | Tunnel kiln |
| CN107238289A (en) * | 2016-03-29 | 2017-10-10 | 沈阳铝镁设计研究院有限公司 | A kind of roaster is calcined control method |
| CN107238295A (en) * | 2016-03-29 | 2017-10-10 | 沈阳铝镁设计研究院有限公司 | A kind of roaster and method of roasting |
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