CN102559959A - Blast furnace water granulated slag steam desulfuration and water recycling device - Google Patents
Blast furnace water granulated slag steam desulfuration and water recycling device Download PDFInfo
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- CN102559959A CN102559959A CN2012100642930A CN201210064293A CN102559959A CN 102559959 A CN102559959 A CN 102559959A CN 2012100642930 A CN2012100642930 A CN 2012100642930A CN 201210064293 A CN201210064293 A CN 201210064293A CN 102559959 A CN102559959 A CN 102559959A
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- water
- ring groove
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- pallet
- granulated slag
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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
- Y02P10/20—Recycling
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention relates to a blast furnace high-temperature slag water quenching formation water granulated slag steam desulfuration and water recycling device. A reaction tower is arranged above a spiral flow tank used for containing a mixture of slag and water which are generated in water quenching of high-temperature slag, wherein the reaction tower is internally provided with an ammonia water nozzle device which is connected with an ammonia water conveying pipeline; a first grid-type treating fluid recovering tray is arranged below the nozzle device; the first grid-type treating fluid recovering tray is connected with a first ring-shaped groove arranged around the recovering tray; the first ring-shaped groove is connected with a first liquid recovering pipeline; and the first liquid recovering pipeline is connected with an ammonium sulfite recovering tank. The system ensures that in the production of water granulated slag in a blast furnace, the national environmental protection requirements and zero emission are achieved. The device is low in running cost, good in desulfuration effect, simple in manufacture, capable of saving water resources by recycling water, safe and reliable.
Description
Technical field
The present invention relates to a kind of vapor recovery use device, relate in particular to a kind of blast furnace ironmaking slag steam desulfurization and water recycle device when making grain slag.
Background technology
Blast furnace ironmaking the time produce its temperature of a large amount of high-temperature slags up to 1450 ℃ about; When the iron mouth taps a blast furnace high-temperature slag is taken out of with molten iron; Slag separates the back with iron at main iron hook and gets into the slag ditch; It is blast furnace granulated slag with high-temperature slag with the mixture that shrend changes into water and slag that slag ditch head is equipped with the water coolant nozzle, and grain slag is an important source material of making cement.Produce when the mixture of water and slag gets into Whirlwind tank and contain the steam of sulfurous gas in a large number, as make the in line aerial formation acid rain of steam very big environmental hazard.
Summary of the invention
The objective of the invention is to above-mentioned present situation, it is low to aim to provide a kind of running cost, makes simply safe and reliable desulfurization and water recycling device.
It is following that the present invention solves the problems of the technologies described above the technical scheme of being taked:
A kind of blast furnace vapor recovery use device is provided with a reaction tower above the Whirlwind tank that holds high temperature sludge, water mixture, wherein, in reaction tower, be provided with an ammoniacal liquor tuyere arrangement, and said tuyere arrangement connects an ammoniacal liquor transport pipe; One first grating treatment solution is set below tuyere arrangement reclaims pallet; One first ring groove around the said first grating treatment solution reclaims pallet and is located at recovering tray is connected; And said first ring groove links to each other with one first liquids recovery pipeline, and the said first liquids recovery pipeline connects a sulfurous acid ammonia withdrawing can.
Preferred construction is; The said first grating treatment solution reclaims pallet and comprises a upper strata and lower floor recovery pallet and ring groove respectively with first ring groove, and the said first liquids recovery pipeline comprises two first subtube and second subtubes that are connected with the lower floor ring groove with said upper strata ring groove.
Preferred construction is, also is provided with a spraying nozzle device in the said reaction tower, and wherein, said spraying nozzle device connects a water of condensation transport pipe, and said water of condensation transport pipe is connected with one or more condensation water tanks again; Wherein, The second grating water is set below spraying nozzle reclaims pallet; Said recovery pallet links to each other with one second ring groove that is located at around the recovering tray, and said ring groove is connected with one second water recovery channel, and the said second water recovery channel connects a water reclamation system.
Preferred construction is; The said second grating treatment solution reclaims pallet and comprises a upper strata and lower floor recovery pallet and ring groove respectively with second ring groove, and the said second liquids recovery pipeline comprises two the 3rd subtube and the 4th subtubes that are connected with the lower floor ring groove with said upper strata ring groove.
Preferred construction is that said spraying nozzle device, second grating water recovery pallet and second ring groove are located at the place, top position of said ammoniacal liquor tuyere arrangement.
Preferred construction is that said ammoniacal liquor tuyere arrangement or spraying nozzle device comprise a plurality of nozzles respectively.
Preferred construction is that said reaction tower is a cydariform reaction tower.
The present invention is a cover steam desulfurization and a water recycle and reuse system, and this system makes blast furnace when producing grain slag, reach national requirements for environmental protection and realizes zero release.This invention running cost is low, and desulfurization effect is made simply, and water recycling conserve water resource is safe and reliable.
Description of drawings
Below in conjunction with accompanying drawing the present invention is carried out detailed description, so that above-mentioned advantage of the present invention is clearer and more definite.
Fig. 1 is the structural representation of blast furnace steam desulfurization of the present invention and apparatus for recovering;
Fig. 2 is the partial top view of blast furnace steam desulfurization of the present invention and apparatus for recovering.
Wherein, the name of each parts is called: grain slag groove 1, Whirlwind tank 2, relief outlet 3, riser 4, steam 5, ammoniacal liquor tuyere arrangement 6, the first liquids recovery pipeline 7, the first grating liquids recovery pallet 81, first ring groove 91, the second grating liquids recovery pallet 82, second ring groove 92, spraying nozzle device 10, the second water recovery channel 11, water of condensation transport pipe 12, condensation water tank 13, steam discharge pipe 14, cydariform reaction tower 15, ammoniacal liquor transport pipe 16.
Embodiment
Carry out a more detailed description with reference to accompanying drawing the present invention.
Generation contained the steam of sulfurous gas in a large number when the present invention was primarily aimed at mixture that existing blast furnace the time produces a large amount of high-temperature slags and slag in ironmaking and gets into Whirlwind tank; As let the in line aerial formation acid rain of steam that the great shortcoming of environmental hazard is proposed; Mainly reduce its inner sulfur-bearing composition, and can make a silk purse out of a sow's ear to above-mentioned objectionable impurities fully as far as possible.
Wherein, Fig. 1 is the structural representation of blast furnace steam desulfurization of the present invention and apparatus for recovering;
As shown in Figure 1, said blast furnace steam desulfurization and apparatus for recovering comprise: Whirlwind tank 2, be provided with a slag, water mixture relief outlet 3 in the wall portion of said Whirlwind tank 2; Said outlet 3 connects a pulp water and gets rid of pipeline, wherein, also is provided with one in the wall portion of Whirlwind tank and is used for the grain slag groove 1 that slag, water mixture get into; Wherein, Water with quenching of high-temperature slag after, form slag, water mixture, its temperature reaches 90-120 ℃; Slag, water mixture flow to partly evaporation formation steam 5 of Whirlwind tank 2 from grain slag groove 1 at this moment, and slag, water mixture major part flow into the pulp water separators by relief outlet 3 and dewater.
Wherein, for said steam 5 is recycled, the present invention is provided with a cydariform reaction tower 15 above said Whirlwind tank 2, and the top of cydariform reaction tower 15 is provided with steam discharge pipe 14.
Wherein, For water vapour is effectively handled; In reaction tower, be provided with an ammoniacal liquor tuyere arrangement 6, said tuyere arrangement 6 connects an ammoniacal liquor transport pipe 16, wherein; Said tuyere arrangement 6 belows are provided with one first grating treatment solution and reclaim pallet 81; The said first grating treatment solution reclaims pallet 81 and is located at recovering tray one first ring groove 91 on every side and is connected, and said first ring groove 91 links to each other the said first liquids recovery pipeline, 7 connections, one sulfurous acid ammonia withdrawing can (not shown) with one first liquids recovery pipeline 7.
Wherein, When the present invention works; The sulfurous gas steam that contains that produces in the Whirlwind tank up evaporates through liquids recovery dish and top tuyere arrangement 6 ejection ammoniacal liquor (content 15%) spray film impinges and sulfurous gas reaction generation sulfurous acid ammonia liquid; Liquid is fallen into annular water tank and recovery channel and the final sulfurous acid ammonia withdrawing can that arrives, and the sulfurous acid ammonia liquid can be sold to chemical fertilizer manufacturing company and process the sulfate of ammoniac chemical fertilizer.
And, have steam and arranged the enough reaction times, desulfurization, the effective technological merit of vapor recovery through grid and top sweetening agent, water smoke because said recovery pallet is taked gridiron structure.
Wherein, Fig. 2 is the partial top view of blast furnace steam desulfurization of the present invention and apparatus for recovering; As shown in Figure 2; It has mainly comprised the structure that the said first grating treatment solution reclaims pallet 81 and said first ring groove 91, and wherein, first ring groove 91 is located at the said first grating treatment solution and is reclaimed locating of pallet 81 on every side.
In embodiments of the present invention; In order to reclaim said sulfurous acid ammonia liquid as much as possible and to prevent that said liquid from flowing in the Whirlwind tank incompatiblely; The said first grating treatment solution reclaims pallet 81 and first ring groove 91 has been taked double-deck processing; As shown in Figure 1, it comprises that respectively a upper strata and a lower floor reclaim pallet and ring groove, and the said first liquids recovery pipeline comprises two first subtube and second subtubes that are connected with the lower floor ring groove with said upper strata ring groove.
Wherein, in the application embodiment, also be provided with a spraying nozzle device 10 in the said reaction tower, wherein, said spraying nozzle device 10 connects a water of condensation transport pipe 12, and said water of condensation transport pipe 12 is connected with one or more condensation water tanks 13 again; Wherein, The second grating water is set below spraying nozzle reclaims pallet 82; Said recovery pallet 82 links to each other with one second ring groove 92 that is located at around the recovering tray, and said ring groove 92 is connected with one second water recovery channel 11, and the said second water recovery channel connects a water reclamation system (not shown).
Wherein, Continuing up to evaporate cooling water smoke impinges through said grating recovering tray and the ejection of top tuyere arrangement through the water vapor behind the above-mentioned desulfurization afterreaction becomes water droplet and falls into recovering tray entering ring groove and water recovery channel and enter into water reclamation system; Wherein, the recycle-water of this water reclamation system can circulate again and make the grain slag processing.
Wherein, For recycle-water steam as much as possible; In the present embodiment; The said second grating treatment solution reclaims pallet 82 and comprises a upper strata and lower floor recovery pallet and ring groove respectively with second ring groove 92, and the said second liquids recovery pipeline comprises two the 3rd subtube and the 4th subtubes that are connected with the lower floor ring groove with said upper strata ring groove.
In addition; Sometimes blast furnace gushes the quantity of slag and causes when bigger in the Whirlwind tank water table ratio designated water level high and cause and do not handle emerging outward from grain slag groove 1 of steam; Therefore, in the wall portion of said Whirlwind tank 2 purpose that a riser 4 reaches the balance water level is set also, wherein; Said riser connects an overflow purger, and said overflow purger connects said pulp water and gets rid of pipeline.
Wherein, in order to carry out above-mentioned reaction as much as possible, preferred construction is that said spraying nozzle device, second grating water recovery pallet and second ring groove are located at the place, top position of said ammoniacal liquor tuyere arrangement.
Wherein, said ammoniacal liquor tuyere arrangement or spraying nozzle device comprise a plurality of nozzles respectively.
In addition, in a concrete embodiment, said reaction tower is a cydariform reaction tower, and the reaction tower of this kind shape has the water vapour rising passway, recycles technological merit easily.
The present invention is a cover steam desulfurization and a water recycle and reuse system, and this system makes blast furnace when producing grain slag, reach national requirements for environmental protection and realizes zero release.This invention running cost is low, and desulfurization effect is made simply, and water recycling conserve water resource is safe and reliable.
It should be noted that; Above-mentioned specific embodiment only is exemplary; Under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in protection scope of the present invention.
It will be understood by those skilled in the art that top specific descriptions just in order to explain the object of the invention, are not to be used to limit the present invention.Protection scope of the present invention is limited claim and equivalent thereof.
Claims (7)
1. blast furnace granulated slag steam desulfurization and water recycle device; It is characterized in that, above holding the Whirlwind tank that the high-temperature slag shrend changes into slag, water mixture, a reaction tower is set, wherein; In reaction tower, be provided with an ammoniacal liquor tuyere arrangement, said tuyere arrangement connects an ammoniacal liquor transport pipe; One first grating treatment solution is set below tuyere arrangement reclaims pallet; One first ring groove around the said first grating treatment solution reclaims pallet and is located at recovering tray is connected; And said first ring groove links to each other with one first liquids recovery pipeline, and the said first liquids recovery pipeline connects a sulfurous acid ammonia withdrawing can.
2. blast furnace granulated slag steam desulfurization according to claim 1 and water recycle device; It is characterized in that; The said first grating treatment solution reclaims pallet and comprises a upper strata and lower floor recovery pallet and ring groove respectively with first ring groove, and the said first liquids recovery pipeline comprises two first subtube and second subtubes that are connected with the lower floor ring groove with said upper strata ring groove.
3. blast furnace granulated slag steam desulfurization according to claim 1 and water recycle device; It is characterized in that; Also be provided with a spraying nozzle device in the said reaction tower; Wherein, said spraying nozzle device connects a water of condensation transport pipe, and said water of condensation transport pipe is connected with one or more condensation water tanks again; Wherein, The second grating water is set below spraying nozzle reclaims pallet; Said recovery pallet links to each other with one second ring groove that is located at around the recovering tray, and said ring groove is connected with one second water recovery channel, and the said second water recovery channel connects a water reclamation system.
4. blast furnace granulated slag steam desulfurization according to claim 3 and water recycle device; It is characterized in that; The said second grating treatment solution reclaims pallet and comprises a upper strata and lower floor recovery pallet and ring groove respectively with second ring groove, and the said second liquids recovery pipeline comprises two the 3rd subtube and the 4th subtubes that are connected with the lower floor ring groove with said upper strata ring groove.
5. blast furnace granulated slag steam desulfurization according to claim 3 and water recycle device is characterized in that, said spraying nozzle device, second grating water recovery pallet and second ring groove are located at the place, top position of said ammoniacal liquor tuyere arrangement.
6. blast furnace granulated slag steam desulfurization according to claim 3 and water recycle device is characterized in that, said ammoniacal liquor tuyere arrangement or spraying nozzle device comprise a plurality of nozzles respectively.
7. blast furnace granulated slag steam desulfurization according to claim 1 and water recycle device is characterized in that, said reaction tower is a cydariform reaction tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210064293.0A CN102559959B (en) | 2012-03-13 | 2012-03-13 | Blast furnace water granulated slag steam desulfuration and water recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210064293.0A CN102559959B (en) | 2012-03-13 | 2012-03-13 | Blast furnace water granulated slag steam desulfuration and water recycling device |
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| Publication Number | Publication Date |
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| CN102559959A true CN102559959A (en) | 2012-07-11 |
| CN102559959B CN102559959B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210064293.0A Expired - Fee Related CN102559959B (en) | 2012-03-13 | 2012-03-13 | Blast furnace water granulated slag steam desulfuration and water recycling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194931A (en) * | 2018-02-24 | 2018-06-22 | 航天慧能（江苏）环境工程有限公司 | Industrial waste plasma handling system |
| CN109026222A (en) * | 2018-08-03 | 2018-12-18 | 航天金洲（北京）能源科技有限公司 | A kind of scum steam heat crushing device and technique |
| CN110252107A (en) * | 2019-05-17 | 2019-09-20 | 山东恒力新能源工程有限公司 | A kind of desulfurizer suitable for thermal power plant |
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| CN200998639Y (en) * | 2007-02-09 | 2008-01-02 | 李培生 | Concentrated crystallization and absorbed oxidation combined type ammonia process desulfuration tower |
| CN201157752Y (en) * | 2008-02-03 | 2008-12-03 | 马东 | Flue-gas desulfurizing device by ammonia process |
| CN101433798A (en) * | 2007-11-12 | 2009-05-20 | 河南省旭辉环保工程有限公司 | High-efficient wet-type ammonia recovering method desulfuration method with oxidation and concentration processes outside tower and device thereof |
| CN101579602A (en) * | 2009-06-12 | 2009-11-18 | 山西晋丰环保工程设计有限公司 | Energy-saving and high-quality ammonia desulphurization process for ammonia sulfate recovery |
| CN202576446U (en) * | 2012-03-13 | 2012-12-05 | 武汉宜生机电技术工程有限公司 | Steam desulfurizing and water recycling device for water slag of blast furnace |
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2012
- 2012-03-13 CN CN201210064293.0A patent/CN102559959B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200998639Y (en) * | 2007-02-09 | 2008-01-02 | 李培生 | Concentrated crystallization and absorbed oxidation combined type ammonia process desulfuration tower |
| CN101433798A (en) * | 2007-11-12 | 2009-05-20 | 河南省旭辉环保工程有限公司 | High-efficient wet-type ammonia recovering method desulfuration method with oxidation and concentration processes outside tower and device thereof |
| CN201157752Y (en) * | 2008-02-03 | 2008-12-03 | 马东 | Flue-gas desulfurizing device by ammonia process |
| CN101579602A (en) * | 2009-06-12 | 2009-11-18 | 山西晋丰环保工程设计有限公司 | Energy-saving and high-quality ammonia desulphurization process for ammonia sulfate recovery |
| CN202576446U (en) * | 2012-03-13 | 2012-12-05 | 武汉宜生机电技术工程有限公司 | Steam desulfurizing and water recycling device for water slag of blast furnace |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194931A (en) * | 2018-02-24 | 2018-06-22 | 航天慧能（江苏）环境工程有限公司 | Industrial waste plasma handling system |
| CN109026222A (en) * | 2018-08-03 | 2018-12-18 | 航天金洲（北京）能源科技有限公司 | A kind of scum steam heat crushing device and technique |
| CN109026222B (en) * | 2018-08-03 | 2024-04-19 | 中冶节能环保有限责任公司 | Iron slag steam thermal crushing device and process |
| CN110252107A (en) * | 2019-05-17 | 2019-09-20 | 山东恒力新能源工程有限公司 | A kind of desulfurizer suitable for thermal power plant |
| CN110252107B (en) * | 2019-05-17 | 2022-02-15 | 山东恒力新能源工程有限公司 | Desulphurization unit suitable for thermal power factory |
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| CN102559959B (en) | 2014-04-09 |
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