CN203824344U - Flue gas treating device - Google Patents
Flue gas treating device Download PDFInfo
- Publication number
- CN203824344U CN203824344U CN201420198677.6U CN201420198677U CN203824344U CN 203824344 U CN203824344 U CN 203824344U CN 201420198677 U CN201420198677 U CN 201420198677U CN 203824344 U CN203824344 U CN 203824344U
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- CN
- China
- Prior art keywords
- reduction tower
- drying
- flue gas
- dry reduction
- waste heat
- 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.)
- Withdrawn - After Issue
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- 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
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a flue gas treating device. The device comprises a drying and reducing tower body, a discharge device and a waste heat boiler, wherein a drying and reducing tower cavity is defined in the drying and reducing tower body, a feed inlet and a gas inlet are respectively formed in the upper part of the drying and reducing tower body, the feed inlet is used for feeding wet concentrates in the drying and reducing tower cavity, and the gas inlet is suitable for being communicated with a flue discharge outlet of a fast iron making device; the discharge device is arranged at the lower end of the drying and reducing tower cavity, and is used for holding dry concentrates discharged from the drying and reducing tower cavity; a flue inlet of the waste heat boiler is communicated with the lower end of the drying and reducing tower cavity. According to the flue gas treating device, the flue gas discharged from the fast iron making device can be completely used for drying and pre-reducing the wet concentrates, the reducing gas and the heat in the flue gas are completely utilized, and the dry concentrates can be produced.
Description
Technical field
The utility model belongs to field of metallurgy, and particularly, the utility model relates to fume treatment auxiliary.
Background technology
The existing equipment for the treatment of flue gas adopts waste heat boiler or reheat boiler more, wherein, waste heat boiler can recovered flue gas in heat; Reheat boiler can be converted into new forms of energy by chemical energy in flue gas, for example, after carbon monoxide and hydrogen being burnt generating.But adopt the conversion ratio of the energy of above-mentioned two kinds of fume treatment auxiliaries not high.Therefore, the existing equipment for the treatment of flue gas need further improvement.
Utility model content
The utility model is intended to solve at least to a certain extent one of technical problem in correlation technique.For this reason, an object of the present utility model is to propose a kind of fume treatment auxiliary, and this fume treatment auxiliary can effectively be processed the flue gas from flash ironmaking equipment, fully improves the recycle value of flue gas.
According to an aspect of the present utility model, the utility model proposes a kind of fume treatment auxiliary, comprising:
Dry reduction tower body, in described dry reduction tower body, limit dry reduction tower chamber, the top of described dry reduction tower body is respectively equipped with charging aperture and air inlet, described charging aperture for adding wet concentrate in dry reduction tower chamber, and described air inlet is suitable for being connected with the exhaust opening of flash ironmaking equipment;
Discharge device, described discharge device is located at the lower end in described dry reduction tower chamber, for accepting the Concentrate Drying from discharging in described dry reduction tower chamber; And
Waste heat boiler, the mouth that enters of described waste heat boiler is connected with the lower end in described dry reduction tower chamber.
Thus, by adopting the fume treatment auxiliary of above-described embodiment can make full use of the flue gas of discharging in flash ironmaking equipment, wet concentrate is dried and prereduction, and then takes full advantage of reducibility gas and the heat in flue gas, output Concentrate Drying.
According to specific embodiment of the utility model, described discharge device is scratch board conveyor, belt conveyor or airslide conveyor.Can meet thus different conveying requirements or plant and equipment configuration requirement.
According to specific embodiment of the utility model, described discharge device is positioned at the bottom of described waste heat boiler and described dry reduction tower body.Can conveniently accept thus Concentrate Drying from discharging in dry reduction tower body and the flue dust from discharging in waste heat boiler.
According to specific embodiment of the utility model, described airslide conveyor comprises:
Hopper, described hopper is arranged on the bottom of described dry reduction tower body and described waste heat boiler; With
Pneumatic pump, at the bottom of described pneumatic pump is arranged on the bucket of described hopper, for described Concentrate Drying is discharged.Can further improve thus transporting velocity.
According to specific embodiment of the utility model, described charging aperture place is provided with wet concentrate batcher.Thus can convenient feed, improve flue gas utilization rate and drying efficiency.
Brief description of the drawings
Fig. 1 is according to the structural representation of the fume treatment auxiliary of an embodiment of the utility model.
Fig. 2 is according to the structural representation of the fume treatment auxiliary of another embodiment of the utility model.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Describe the fume treatment auxiliary of the utility model embodiment in detail below with reference to Fig. 1-2.
Comprise according to the fume treatment auxiliary 100 of the utility model embodiment: dry reduction tower body 10, discharge device 20, waste heat boiler 30.
According to specific embodiment of the utility model, in dry reduction tower body 10, limit dry reduction tower chamber 11, the top of dry reduction tower body is respectively equipped with charging aperture 12 and air inlet 13, wherein, charging aperture 12 for adding wet concentrate in dry reduction tower chamber, and air inlet 13 is suitable for being connected with the exhaust opening of flash ironmaking equipment; Discharge device 20 is located at the lower end in dry reduction tower chamber 11, for accepting from the Concentrate Drying of dry reduction tower chamber 11 interior discharges; And the mouth 31 that enters of waste heat boiler 30 is connected with the lower end in dry reduction tower chamber.
The fume treatment auxiliary of the utility model above-described embodiment can be to processing from the flue gas of discharging in flash ironmaking equipment thus.The flue-gas temperature of conventionally discharging in flash ironmaking equipment is higher, and wherein contains unreacted reducibility gas, if only to the reclaiming of heat in flue gas, can waste reducibility gas wherein.The fume treatment auxiliary of the utility model above-described embodiment will be dried wet concentrate from being delivered to dry reduction from the flue gas of flash ironmaking equipment tower 10 being interior, and then can obtain Concentrate Drying, owing to also containing reducibility gas in flue gas, can also carry out prereduction to Concentrate Drying.Utilize thus above-mentioned fume treatment auxiliary not only to take full advantage of the heat of flue gas, also utilized the reducibility gas of remnants in flue gas, and then heat energy and chemical energy in flue gas are reused completely.
In addition, carry out waste heat boiler from being dried the flue gas of discharging in reduction tower, utilize waste heat boiler again heat remaining in flue gas to be reclaimed, utilize the flue dust in all right recovered flue gas of waste heat boiler simultaneously, reached the object that reduces flue dust.
According to specific embodiment of the utility model, utilize above-mentioned fume treatment auxiliary in processing from flash ironmaking equipment flue gas also output dry concentrate, and being reduced property of part concentrate gas in Concentrate Drying has carried out prereduction.According to specific embodiment of the utility model, above-mentioned Concentrate Drying can be discharged by discharge device 20.Therefore utilize fume treatment auxiliary of the present utility model not only to reach the object of smoke treatment, simultaneously also output the Concentrate Drying that contains part prereduction, enriched traditional functions of the equipments for the treatment of flue gas and output object.According to specific embodiment of the utility model, utilize above-mentioned fume treatment auxiliary to process flue gas the output Concentrate Drying from flash ironmaking equipment, can save the large energy and the equipment investment that consume for dry wet concentrate.Therefore, the fume treatment auxiliary of the utility model above-described embodiment not only can be used as the fume treatment auxiliary of flash iron-smelting process, can be used as raw material drying equipment and the prereduction equipment of flash iron-smelting process simultaneously, the wet concentrate raw material that making full use of flue gas that flash iron-smelting process self produces needs self is dried, and then can double saving energy consumption.According to specific embodiment of the utility model, go for any iron-smelting process by the Concentrate Drying of above-mentioned fume treatment auxiliary output, for example can smelt iron for rotary kiln.
According to specific embodiment of the utility model, discharge device 20 is positioned at the bottom of waste heat boiler 30 and dry reduction tower body 10, and then utilize discharge device 20 can together eject the Concentrate Drying in self-desiccation reduction tower chamber 11 and carry out the flue dust in waste heat boiler, save the device of independent discharge flue dust.Meanwhile, owing to containing a large amount of iron in flue dust, therefore utilize discharge device 20 flue dust can also be sneaked in dry concentrate for ironmaking, and then reclaim the iron in flue dust.
According to specific embodiment of the utility model, discharge device 20 can be scratch board conveyor, belt conveyor or airslide conveyor.Can meet thus different conveying requirements or plant and equipment configuration requirement.
According to specific embodiment of the utility model, as shown in Figure 2, airslide conveyor 20 comprises: hopper 21, and pneumatic pump 22, wherein, hopper is arranged on the bottom of dry reduction tower body 10 and waste heat boiler 30; At the bottom of pneumatic pump 22 is arranged on the bucket of hopper 21, for Concentrate Drying is discharged.Can further improve thus transporting velocity.
According to specific embodiment of the utility model, the charging aperture place of above-mentioned dry reduction tower can also arrange wet concentrate batcher 40.Thus can convenient feed, improve flue gas utilization rate and drying efficiency.
Describe the method for the fume treatment auxiliary smoke treatment of utilizing the utility model above-described embodiment below in detail.Specifically comprise the following steps:
In dry reduction tower chamber, add wet concentrate by charging aperture;
By air inlet to the flue gas of carrying in dry reduction tower chamber from discharging in flash ironmaking equipment, to utilize flue gas be dried and prereduction processing described wet concentrate;
Utilize waste heat and flue dust in waste heat boiler recovered flue gas; And
Utilize discharge device to discharge the Concentrate Drying being dried of discharging in dry reduction tower chamber.
Thus, by adopting above-mentioned fume treatment auxiliary the flue gas of discharging in flash ironmaking equipment can be dried and prereduction wet concentrate, and then take full advantage of reducibility gas and the heat in flue gas, output Concentrate Drying.Therefore, the wet concentrate raw material that the flue gas that above-mentioned fume treatment auxiliary has utilized flash ironmaking equipment self to discharge needs self is dried and prereduction, chemical energy and heat energy in flue gas are transformed completely, dry processing, prereduction processing are not only saved, also save flue gas processing, reached double energy-conservation effect.
According to specific embodiment of the utility model, the discharge device of above-mentioned employing can be scratch board conveyor, belt conveyor or airslide conveyor.Can meet thus different conveying requirements or plant and equipment configuration requirement.
According to specific embodiment of the utility model, can also utilize discharge device 20 to discharge the flue dust from discharging in waste heat boiler.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, specific features, structure, material or the feature of description can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this description or example and different embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.
Claims (5)
1. a fume treatment auxiliary, is characterized in that, comprising:
Dry reduction tower body, in described dry reduction tower body, limit dry reduction tower chamber, the top of described dry reduction tower body is respectively equipped with charging aperture and air inlet, described charging aperture for adding wet concentrate in described dry reduction tower chamber, and described air inlet is suitable for being connected with the exhaust opening of flash ironmaking equipment;
Discharge device, described discharge device is located at the lower end in described dry reduction tower chamber; And
Waste heat boiler, the mouth that enters of described waste heat boiler is connected with the lower end in described dry reduction tower chamber.
2. fume treatment auxiliary according to claim 1, is characterized in that, described discharge device is scratch board conveyor, belt conveyor or airslide conveyor.
3. fume treatment auxiliary according to claim 1, is characterized in that, described discharge device is positioned at the bottom of described waste heat boiler and described dry reduction tower body.
4. according to the fume treatment auxiliary described in claim 2-4, it is characterized in that, described airslide conveyor comprises:
Hopper, described hopper is arranged on the bottom of described dry reduction tower body and described waste heat boiler; With
Pneumatic pump, at the bottom of described pneumatic pump is arranged on the bucket of described hopper.
5. fume treatment auxiliary according to claim 1, is characterized in that, described charging aperture place is provided with wet concentrate batcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198677.6U CN203824344U (en) | 2014-04-22 | 2014-04-22 | Flue gas treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198677.6U CN203824344U (en) | 2014-04-22 | 2014-04-22 | Flue gas treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824344U true CN203824344U (en) | 2014-09-10 |
Family
ID=51479829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420198677.6U Withdrawn - After Issue CN203824344U (en) | 2014-04-22 | 2014-04-22 | Flue gas treating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048515A (en) * | 2014-04-22 | 2014-09-17 | 邱江波 | Flue gas treatment equipment and flue gas treatment method |
-
2014
- 2014-04-22 CN CN201420198677.6U patent/CN203824344U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048515A (en) * | 2014-04-22 | 2014-09-17 | 邱江波 | Flue gas treatment equipment and flue gas treatment method |
| CN104048515B (en) * | 2014-04-22 | 2016-08-24 | 天津闪速炼铁技术有限公司 | Fume treatment auxiliary and the method processing flue gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN SHANSU IRONMAKING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: QIU JIANGBO Effective date: 20140910 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100050 XUANWU, BEIJING TO: 300220 HEXI, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140910 Address after: 300220, Tianjin, Hexi District Dongting Road, 20, Chen Tong Technology Business District Service Center room number 309-5 Patentee after: TIANJIN FLASH IRONMAKING TECHNOLOGY CO., LTD. Address before: 100050 2-1-402 room, No. 2 Taoranting Park Road, Beijing, Xuanwu District Patentee before: Qiu Jiangbo |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |