CN1773204A - Liquid slag sensible heat short-distance recovering method and equipment - Google Patents
Liquid slag sensible heat short-distance recovering method and equipment Download PDFInfo
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- CN1773204A CN1773204A CNA2005100172013A CN200510017201A CN1773204A CN 1773204 A CN1773204 A CN 1773204A CN A2005100172013 A CNA2005100172013 A CN A2005100172013A CN 200510017201 A CN200510017201 A CN 200510017201A CN 1773204 A CN1773204 A CN 1773204A
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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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Abstract
The present invention relates to a liquid slag sensible heat short-distance recovery method and its equipment. It is characterized by that in the downwards falling process of high-temperature liquid slag said method uses reverse high-pressure high-speed granulating air to promptly and quickly cool and impact the liquid slag to obtain pulverized granulated slag, and makes the granulated slag quickly fed into granulating chamber, and reflected from its internal surface and fallen on the grate type slag-conveying mechanism, under the action of granulating air and back blowing air the heat quantity in the liquid slag can be quickly discharged and collected, so that the recovery distance can be greatly shortened.
Description
Technical field
The present invention relates to recovery method, particularly liquid slag sensible heat short-distance recovering method and the equipment of the liquid slag sensible heat in the industries such as metallurgy, thermoelectricity, chemical industry, belong to exhaust heat recovering method and equipment.
Background technology
In industries such as metallurgy, thermoelectricity, chemical industry, all produce a large amount of discarded objects---be the waste residue of high temperature, liquid state, the present invention is referred to as " liquid slag ".
For example: in metallurgy industry this liquid slag only some adopt that wind is quenched, shrend or naturally method such as cooling transport the slag field to and reclaim its grain slag and make construction material; most of long-term heavyization of stacking; take a large amount of soils, the sensible heat of liquid slag then in vain total loss slattern.According to the interrelated data introduction, nearly hundred million tons of annual China metallurgy industry blast furnace liquid residue total amounts, the tapping temperature of liquid slag are more than 1400 ℃, and by the suitable 5,000,000 tons of left and right sides standard coals of heat loss total amount that liquid slag is taken away, its sensible heat loss is quite huge.Therefore, be to seek the technical barrier of capturing for a long time to the recycling of metallurgical liquid slag sensible heat.
The wind method of quenching that adopts is arranged at present, the slag ladle that liquid slag is housed is transported to concentrated the wind quenching device place slag ladle of tumbling, liquid slag is after pans flow out, and the ejection high-speed air dispels, is broken into particulate with liquid slag and makes construction material, and reclaims high temperature air.This method exists deficiencies such as floor space is big, serious environment pollution, activity duration length.In addition, find as yet more ripe, can constitute autonomous device, liquid slag sensible heat recovery technology easy to utilize.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of floor space is little, low in the pollution of the environment, the activity duration short, the sensible heat rate of recovery is high liquid slag sensible heat short-distance recovering method and equipment are provided.
The technical scheme that realizes the liquid slag sensible heat short-distance recovering method of the object of the invention is:
The granulation that liquid slag is sent into sealing along slide slag road is indoor, in scattering dropping process, liquid slag oppositely is blown into granulation wind with falling direction, force liquid slag to be broken into grain slag and fly to granulation chamber internal surface reflection and fall after rise, drop to bottom, granulation chamber and can make on the comb formula slag conveyer structure that grain slag moves; High temperature cooling air vertically upward is set under the comb formula slag conveyer structure of bottom, granulation chamber, make the grain slag cooling that drops on the comb formula slag conveyer structure, and heat that will be wherein blows to the granulation chamber, heat in the grain slag discharged from the high temperature air-vent at top, granulation chamber collect; Cooled grain slag is sent collection through hopper.
Described granulation wind is with the empty G﹠W of environment temperature after compression, the high-voltage high-speed wind of the injection direction regulated that ejects, and the injection direction of granulation wind and the angle of horizontal plane are adjustable between the 10-60 degree.
Water in the described granulation wind should make granulation wind not produce steam in the granulation chamber.
The top shell of described granulation chamber is the arch top shell that is constituted by a slice top shell at least, and grain slag direction reflected back is in accordance with regulations fallen on the comb formula slag conveyer structure.
The inner surface of described granulation chamber is at least one reflecting surface that is constituted by a slice cambered surface or plane at least, and grain slag direction reflected back is in accordance with regulations fallen on the comb formula slag conveyer structure.
In order to improve the sensible heat rate of recovery, also can be blown into grain slag and fall the reverse blowback wind of direction after rise at the opposite side of granulation chamber, under the synergy of reverse each other granulation wind, blowback wind, further shorten and reclaim distance and the grain slag of falling is scattered evenly.
Described blowback wind is with the air of environment temperature after compression, the high-voltage high-speed wind of the injection direction regulated that ejects, and the injection direction of blowback wind and the angle of horizontal plane are adjustable between the 0-60 degree.
Also can add in the described blowback wind and make blowback wind in the granulation chamber, not produce the water of the environment temperature of steam.
In order further to improve the sensible heat rate of recovery; the hot blast of different qualities is provided; also can set up low temperature and reclaim the chamber in blowback wind one side of granulation chamber; and the comb formula slag conveyer structure of granulation chamber bottom extended to the bottom that low temperature reclaims the chamber; sub-cooled wind vertically upward is set under the comb formula slag conveyer structure of bottom, low temperature recovery chamber; when the grain slag on the comb formula slag conveyer structure moves to low temperature recovery bottom, chamber; sub-cooled wind makes the further cooling of grain slag and after-heat is wherein blowed to the low temperature air-vent discharge collection that low temperature reclaims the top, chamber, to reclaim sensible heat more fully.
Another object of the present invention provides the liquid slag sensible heat short-distance reclaimer.
This liquid slag sensible heat short-distance reclaimer is made of the granulation chamber of sealing, and the end in the granulation chamber is provided with slide slag road, and the below in slide slag road is provided with fan-shaped cloth slag pan, and the below of cloth slag pan is provided with granulation wind nozzle, and the top of granulation chamber is provided with the high temperature air-vent; Be provided with the comb formula slag conveyer that grain slag is moved below the granulation chamber, comb formula slag conveyer has the air inlet of formation high temperature cooling air vertically upward, and the end of comb formula slag conveyer is provided with hopper, and the hopper below is provided with the grain slag conveyer.
The top shell of described granulation chamber is the arch top shell that is constituted by a slice top shell at least.
The inner surface of described granulation chamber is at least one reflecting surface that constitutes by after the combination of a slice cambered surface or plane at least.
Be equipped with water-cooling apparatus in the top shell of described granulation chamber and the wall.
Described comb formula slag conveyer can be comb bed, chain making machine or chain mat machine etc.
On the opposite of described granulation wind nozzle, the other end of granulation chamber also can be provided with blowback wind nozzle.
Also can set up low temperature in blowback wind one side of granulation chamber and reclaim the chamber; the top that low temperature reclaims the chamber is provided with the low temperature air-vent; between granulation chamber and low temperature recovery chamber, be provided with the isolation barricade; and the comb formula slag conveyer of granulation chamber bottom extended to the bottom that low temperature reclaims the chamber; the comb formula slag conveyer of below, low temperature recovery chamber has the air inlet of formation sub-cooled wind vertically upward; the end of comb formula slag conveyer is provided with hopper, and the hopper below is provided with the grain slag conveyer.
Recovery method of the present invention and equipment are with liquid slag such as the metallurgy of 700-1600 ℃ of left and right sides high temperature, thermoelectricity, chemical industry, in dropping process, cooled off rapidly and smash, smash the grain slag that forms surface cure by granulation wind moment of high-voltage high-speed, grain slag flies to granulation chamber internal surface back reflection at a high speed and falls after rise, the grain slag that falls after rise is evenly dropping under the effect of blowback wind on the comb formula slag conveyer structure, and a large amount of heats in the liquid slag are discharged collection from the high temperature air-vent; The waste heat that drops on the grain slag on the comb formula slag conveyer structure under the granulation chamber is passed the grain slag bed of material by the high temperature cooling air and blows to the high temperature air-vent and further collect; Being transported to low temperature reclaims under the chamber waste heat in the grain slag on the comb formula slag conveyer structure and is passed the grain slag bed of material by sub-cooled wind and blow to the low temperature air-vent and collect once more; Through the reflection of granulation chamber internal surface, and under the synergy of reverse each other granulation wind, blowback wind and high temperature cooling air, the distance of recovery is shortened dramatically, reach the purpose of comprehensive recovery liquid slag high temperature sensible heat simultaneously.
Compared with prior art the inventive method and equipment, technology is simple, small investment, little, the easy enforcement of floor space, operating cost is low, disposal ability is high, easy operating management and realize that automation, activity duration are short; Progressively reclaim through multistage, the sensible heat rate of recovery can be up to more than 80%; The processing of liquid slag and sensible heat are recovered in the equipment of sealing and finish, and do not produce pernicious gas and material, non-environmental-pollution; The grain slag quality height that reclaims has good serviceability, is convenient to comprehensive utilization.Equipment of the present invention can be used as the sensible heat that common apparatus independently is widely used in liquid slag such as multiple metallurgy, thermoelectricity, chemical industry and reclaims, and can provide thermal source for raw materials for metallurgy heat pre-treatment, generating, urban heat supplying and refrigeration process etc. according to the needs of different user, have great promotional value, will produce remarkable social benefit and economic benefit after the enforcement.
Description of drawings
Fig. 1 is the process flow diagram of a kind of embodiment of the inventive method.
Fig. 2 is the structural representation of a kind of embodiment of present device.
Fig. 3 is the structural representation of the another kind of embodiment of present device.
Fig. 4 is the structural representation of another embodiment of present device.
The specific embodiment
The inventive method and equipment are further described with the embodiment that provides below in conjunction with accompanying drawing.
Embodiment 1:
With reference to Fig. 2, what present embodiment provided is the liquid slag sensible heat short-distance reclaimer with granulation chamber, granulation wind, blowback wind and the bed of combing, granulation chamber 1 by sealing constitutes, end in the granulation chamber is provided with slide slag road 103, the below in slide slag road is provided with the fan-shaped cloth slag pan 104 that has a down dip, the below of cloth slag pan is provided with granulation wind nozzle 105, and the top of granulation chamber is provided with high temperature air-vent 106; On the opposite of granulation wind nozzle, the other end of granulation chamber is provided with blowback wind nozzle 107; Be provided with the comb bed 4 that grain slag is moved below the granulation chamber, the air compartment 7 under the bed of combing is provided with high temperature cooling air air inlet 5.Head end at the bed of combing is provided with slope 401, and end is provided with hopper 8, and the hopper below is provided with grain slag conveyer 9.Be equipped with water-cooling apparatus (not drawing) in the top shell of granulation chamber and the wall 102 among the succinct figure of drawing.
The top shell of granulation chamber is an arch top shell 101 in the present embodiment; the grain slag reflected back is fallen on the comb bed; and under the synergy of reverse each other granulation wind, blowback wind and high temperature cooling air, the distance of recovery is shortened dramatically, reach the purpose of comprehensive recovery liquid slag high temperature sensible heat.
Embodiment 2:
With reference to Fig. 3; the structure of the liquid slag sensible heat short-distance reclaimer that present embodiment provides is substantially the same manner as Example 1; just grain slag is more accurate, reflected back is fallen on the bed of combing more equably in order to make; the inner surface of top, granulation chamber shell is 3 reflectings surface that are made of a slice cambered surface 108 and the combination of two plate planes 109, has further shortened the distance that reclaims.
Embodiment 3:
With reference to Fig. 4, what present embodiment provided is to have granulation chamber, granulation wind, blowback wind, comb bed and low temperature to reclaim the liquid slag sensible heat short-distance reclaimer of chamber, and this equipment is the boundary with the bed 4 of combing, and branch is two parts up and down.
Top is reclaimed continuous layout of chamber 2 two parts by granulation chamber 1, low temperature and is constituted; the granulation chamber is made up of arch water-cooled top shell 101 and water-cooled wall 102; be provided with slide slag road 103 on head end (left end among the figure) top of granulation chamber; the below in slide slag road is provided with the fan-shaped cloth slag pan 104 that has a down dip; below the cloth slag pan, be provided with granulation wind nozzle 105; top at arch water-cooled top shell is provided with high temperature air-vent 106, and the end (right-hand member among the figure) in the granulation chamber is provided with blowback wind nozzle 107.The injection direction of granulation wind nozzle and the angle of horizontal plane are adjustable between the 40-50 degree, and the injection direction of blowback wind nozzle and the angle of horizontal plane are adjustable between the 30-50 degree.The top that low temperature reclaims the chamber is provided with low temperature air-vent 201, is provided with between granulation chamber and low temperature recovery chamber and isolates barricade 3.
The lower part is provided with continuous cooling comb bed 4 below granulation chamber and low temperature recovery chamber; on the air compartment 7 under the comb bed below the granulation chamber, be provided with high temperature cooling air air inlet 5; be provided with sub-cooled wind air inlet 6 on the air compartment 7 under the comb bed below low temperature reclaims the chamber, high temperature cooling air air inlet, sub-cooled wind air inlet connect high temperature cooling air blower fan, sub-cooled wind blower fan respectively.Head end at the bed of combing is provided with slope 401, and end is provided with hopper 8, and the below of hopper is provided with belt conveyor 9.
Below in conjunction with present embodiment 3 equipment and with reference to Fig. 1 the inventive method is further described.
The inventive method is that to send into the granulation with arch water-cooled top shell indoor along slipping the slag road with metallurgical liquid slag 111, be the waterfall shape whereabouts of scattering through fan-shaped cloth slag pan liquid slag, the granulation wind 211 that oppositely is blown into falling direction in dropping process forces liquid slag to be broken into grain slag 112 and flies to arch water-cooled top shell, and grain slag falls after rise through the reflection of arch water-cooled top shell; In grain slag falling process with fall blowback wind 311 that direction oppositely is blown into after rise and grain slag solidified and drop to cooling that the made grain slag of bottom, granulation chamber moves and comb on the bed; Make the grain slag cooling that drops on the bed of combing at the high temperature cooling air 411 that is provided with under the comb bed of bottom, granulation chamber vertically upward, and the heat 512 of inciting somebody to action wherein blows to the granulation chamber, reflect through arch top, granulation chamber shell, and under the synergy of reverse each other granulation wind, blowback wind and high temperature cooling air, shorten the recovery distance and grain slag evenly is scattered on the cooling comb bed, the heat 511,512 that orders about simultaneously in the grain slag is collected from the high temperature air-vent discharge at top, granulation chamber; When the grain slag on the bed of combing moves to low temperature and reclaims the bottom, chamber, under the bed of combing, be provided with under the effect of sub-cooled wind 412 vertically upward, make further cooling and will heat 513 wherein blow to low temperature air-vent that low temperature reclaims the top, chamber and discharge and collect of grain slag; Cooled grain slag is sent collection through hopper.
High temperature air-vent and low temperature air-vent connect air-introduced machine respectively and concentrate the back to provide heat energy for bootstrap system etc. the heat that reclaims; The grain slag of conveyer output can be done comprehensive utilizations such as construction material.
According to the requirement of the inventive method, those skilled in the art adopts prior art, material and facility, all can implement this recovery method and equipment through design, adjustment.
The present inventor implement by embodiment 3 a cover metallurgy industry 400 tons of grain slags of daily output the liquid slag sensible heat short-distance reclaimer and be used for liquid slag sensible heat short-distance and reclaim.Long 7 meters, wide 1.5 meters, high 3.5 meters of granulation chamber, wherein water-cooled arch top shell is partly long 3 meters, wide 1.5 meters, high 1.5 meters.Granulation chamber water-cooled arch top shell and water-cooled wall adopt No. 20 boiler plates welding to make, interior logical cooling water, and carry out heat-resisting, wear-resisting, corrosion-resistance treatment to meeting the top of the slag.The structure of cloth slag pan is the heat resisting steel pedestal, its surface layer high-temperature wearable refractory material of inlaying, and be furnished with angle-adjusting mechanism.Granulation wind is high pressure, the steady air flow at a high speed that the empty G﹠W of environment temperature produces through equipment such as air compressor machine, air-spray generator, high-pressure atomization jet nozzle, nozzle direction guiding mechanism, automatic control systems.Granulation wind nozzle is positioned at the bottom of granulation chamber head end apart from 2 meters of bed of combing, and the angle of its injection direction and horizontal plane is the 20-60 degree, and compressed-air actuated pressure is 50kg/cm
3, each nozzle diameter 1.5mm, flow velocity are 400m/s.The bottom that blowback wind nozzle is positioned at granulation chamber end is apart from 1.5 meters of bed of combing, and is provided with basic identically with granulation wind, and its injection direction and granulation wind are antiparallel, and compressed-air actuated pressure is 30kg/cm
3, each nozzle diameter 1.5mm, flow velocity are 200m/s.Low temperature reclaims long 5 meters of chamber, wide 1.5 meters, high 2 meters, builds by laying bricks or stones with refractory brick.Comb bed and supporting high temperature cooling air blower fan and sub-cooled wind blower fans etc. all adopt existing equipment.The liquid slag of 1450 ℃ of high temperature is admitted to slide slag road with 20 tons/hour flow velocity; after the synergy of granulation wind, blowback wind and high temperature cooling air; grain slag drops on the cooling comb bed; again after moving to the following cooling in low temperature recovery chamber in 30 minutes; when during by charging 1450 ℃ drop to discharging 85 ℃, complete equipment can satisfy the requirement of reclaiming sensible heat and producing grain slag continuously.The waste heat recovery rate can reach 82%, and the waste heat recovery high-temperature temperature is stabilized in about 900 degree.Account for 95% between the grain slag particle diameter 2-6mm that reclaims, about most of grain slag particle diameter 2mm.The free CaO of grain slag meets country " the GBFS GBT18046-2000 that is used for cement and concrete " and " masonry cement GBT3183-2003 " standard.
Claims (10)
1, a kind of liquid slag sensible heat short-distance recovering method is characterized in that:
The granulation that liquid slag is sent into sealing along slide slag road is indoor, in scattering dropping process, liquid slag oppositely is blown into granulation wind with falling direction, force liquid slag to be broken into grain slag and fly to granulation chamber internal surface reflection and fall after rise, drop to bottom, granulation chamber and can make on the comb formula slag conveyer structure that grain slag moves; High temperature cooling air vertically upward is set under the comb formula slag conveyer structure of bottom, granulation chamber, make the grain slag cooling that drops on the comb formula slag conveyer structure, and heat that will be wherein blows to the granulation chamber, heat in the grain slag discharged from the high temperature air-vent at top, granulation chamber collect; Cooled grain slag is sent collection through hopper.
2, recovery method according to claim 1 is characterized in that:
Granulation wind is with the empty G﹠W of environment temperature after compression; the high-voltage high-speed wind of the injection direction regulated that ejects; the injection direction of granulation wind and the angle of horizontal plane are adjustable between the 10-60 degree, and the water in the granulation wind should make granulation wind not produce steam in the granulation chamber.
3, recovery method according to claim 1 is characterized in that:
The top shell of granulation chamber is the arch top shell that is constituted by a slice top shell at least; The inner surface of granulation chamber is at least one reflecting surface that is constituted by a slice cambered surface or plane at least, and grain slag direction reflected back is in accordance with regulations fallen on the comb formula slag conveyer structure.
4, recovery method according to claim 1 is characterized in that:
The granulation that liquid slag is sent into sealing along slide slag road is indoor, in scattering dropping process, liquid slag oppositely is blown into granulation wind with falling direction, and force liquid slag to be broken into grain slag and fly to granulation chamber internal surface reflection falling; Opposite side in the granulation chamber is blown into grain slag and falls the reverse blowback wind of direction after rise, under the synergy of reverse each other granulation wind, blowback wind, shorten to reclaim distance and make the grain slag of falling evenly be scattered in bottom, granulation chamber and can make on the comb formula slag conveyer structure that grain slag moves; High temperature cooling air vertically upward is set under the comb formula slag conveyer structure of bottom, granulation chamber, make the grain slag cooling that drops on the comb formula slag conveyer structure, and heat that will be wherein blows to the granulation chamber, heat in the grain slag discharged from the high temperature air-vent at top, granulation chamber collect; Cooled grain slag is sent collection through hopper.
5, recovery method according to claim 4 is characterized in that:
Blowback wind is with the air of environment temperature after compression, the high-voltage high-speed wind of the injection direction regulated that ejects, and the injection direction of blowback wind and the angle of horizontal plane are adjustable between the 0-60 degree; Also can add in the blowback wind and make blowback wind in the granulation chamber, not produce the water of the environment temperature of steam.
6, according to claim 1 or 4 described recovery methods, it is characterized in that:
Set up low temperature in blowback wind one side of granulation chamber and reclaim the chamber; and the comb formula slag conveyer structure of granulation chamber bottom extended to the bottom that low temperature reclaims the chamber; sub-cooled wind vertically upward is set under the comb formula slag conveyer structure of bottom, low temperature recovery chamber; when the grain slag on the comb formula slag conveyer structure moved to low temperature recovery bottom, chamber, sub-cooled wind made the further cooling of grain slag and after-heat is wherein blowed to the low temperature air-vent discharge collection that low temperature reclaims the top, chamber.
7, a kind of liquid slag sensible heat short-distance reclaimer is characterized in that:
Granulation chamber by sealing constitutes, and the end in the granulation chamber is provided with slide slag road, and the below in slide slag road is provided with fan-shaped cloth slag pan, and the below of cloth slag pan is provided with granulation wind nozzle, and the top of granulation chamber is provided with the high temperature air-vent; Be provided with the comb formula slag conveyer that grain slag is moved below the granulation chamber, comb formula slag conveyer has the air inlet of formation high temperature cooling air vertically upward, and the end of comb formula slag conveyer is provided with hopper, and the hopper below is provided with the grain slag conveyer.
8, reclaimer according to claim 7 is characterized in that:
The top shell of granulation chamber is the arch top shell that is constituted by a slice top shell at least; The inner surface of granulation chamber is at least one reflecting surface that constitutes by after the combination of a slice cambered surface or plane at least; Be equipped with water-cooling apparatus in the top shell of granulation chamber and the wall; Comb formula slag conveyer can be comb bed, chain making machine or chain mat machine.
9, according to claim 7 or 8 described reclaimers, it is characterized in that:
On the opposite of granulation wind nozzle, the other end of granulation chamber is provided with blowback wind nozzle.
10, according to claim 7 or 9 described reclaimers, it is characterized in that:
Also can set up low temperature in blowback wind one side of granulation chamber and reclaim the chamber; the top that low temperature reclaims the chamber is provided with the low temperature air-vent; between granulation chamber and low temperature recovery chamber, be provided with the isolation barricade; and the comb formula slag conveyer of granulation chamber bottom extended to the bottom that low temperature reclaims the chamber; the comb formula slag conveyer of below, low temperature recovery chamber has the air inlet of formation sub-cooled wind vertically upward; the end of comb formula slag conveyer is provided with hopper, and the hopper below is provided with the grain slag conveyer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100172013A CN100392110C (en) | 2005-10-17 | 2005-10-17 | Liquid slag sensible heat short-distance recovery method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100172013A CN100392110C (en) | 2005-10-17 | 2005-10-17 | Liquid slag sensible heat short-distance recovery method and equipment |
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| CN1773204A true CN1773204A (en) | 2006-05-17 |
| CN100392110C CN100392110C (en) | 2008-06-04 |
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| CNB2005100172013A Expired - Fee Related CN100392110C (en) | 2005-10-17 | 2005-10-17 | Liquid slag sensible heat short-distance recovery method and equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476000B (en) * | 2009-01-16 | 2011-04-20 | 首钢总公司 | Thermal state steel slag waste heat recovery system and recovery method |
| CN101691620B (en) * | 2009-09-10 | 2011-06-08 | 河北理工大学 | Process and device for processing liquid steel slag |
| CN102140016A (en) * | 2011-02-21 | 2011-08-03 | 重庆大学 | High-temperature liquid material granulation and heat recovery system |
| CN102219370A (en) * | 2011-05-24 | 2011-10-19 | 绵阳启明星磷化工有限公司 | Method for manufacturing silicate mineral wool from high-temperature yellow phosphorus slag and recovering heat energy |
| CN103194551A (en) * | 2013-03-28 | 2013-07-10 | 邢志光 | Blast furnace ironmaking slag heat utilizing device |
| CN108411117A (en) * | 2018-03-15 | 2018-08-17 | 安徽工业大学 | Lead cadmia exhaust heat recovering method |
| CN109022761A (en) * | 2018-08-27 | 2018-12-18 | 浙江科菲科技股份有限公司 | A kind of granulating method of lead copper matte wind quenching water cooling |
| CN109675405A (en) * | 2019-03-11 | 2019-04-26 | 杨松 | A kind of cooling activation chain conveyer grate operation method of VOCs waste-gas adsorbant |
| WO2021156136A1 (en) * | 2020-02-03 | 2021-08-12 | Sms Group Gmbh | Method for granulating a metallurgical slag |
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| US12365952B2 (en) | 2020-02-07 | 2025-07-22 | Tenova S.P.A. | Process and apparatus for the granulation of slag deriving from iron and steel production |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5521546A (en) * | 1978-08-02 | 1980-02-15 | Mitsubishi Heavy Ind Ltd | Molten slag processing device |
| JPS5922643A (en) * | 1982-07-29 | 1984-02-04 | Nippon Steel Corp | Fluidized bed heat exchange type slag grain manufacturing equipment |
| JPS5922644A (en) * | 1982-07-29 | 1984-02-04 | Nippon Steel Corp | Device of heat exchange type with fludized bed for producing slag particle |
| JPS5922642A (en) * | 1982-07-29 | 1984-02-04 | Nippon Steel Corp | Granulation flying device for slag grains |
| JP3858657B2 (en) * | 2001-09-28 | 2006-12-20 | 住友金属工業株式会社 | Method and apparatus for producing pulverized slag particles and exhaust gas treatment facility |
| JP4252883B2 (en) * | 2003-01-17 | 2009-04-08 | Ｊｆｅマテリアル株式会社 | Method for producing high carbon ferrochrome-crushed slag and abrasive |
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2005
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| CN101476000B (en) * | 2009-01-16 | 2011-04-20 | 首钢总公司 | Thermal state steel slag waste heat recovery system and recovery method |
| CN101691620B (en) * | 2009-09-10 | 2011-06-08 | 河北理工大学 | Process and device for processing liquid steel slag |
| CN102140016A (en) * | 2011-02-21 | 2011-08-03 | 重庆大学 | High-temperature liquid material granulation and heat recovery system |
| CN102219370A (en) * | 2011-05-24 | 2011-10-19 | 绵阳启明星磷化工有限公司 | Method for manufacturing silicate mineral wool from high-temperature yellow phosphorus slag and recovering heat energy |
| CN103194551A (en) * | 2013-03-28 | 2013-07-10 | 邢志光 | Blast furnace ironmaking slag heat utilizing device |
| CN108411117A (en) * | 2018-03-15 | 2018-08-17 | 安徽工业大学 | Lead cadmia exhaust heat recovering method |
| CN108411117B (en) * | 2018-03-15 | 2019-07-02 | 安徽工业大学 | Lead-zinc slag waste heat recovery method |
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| CN109675405A (en) * | 2019-03-11 | 2019-04-26 | 杨松 | A kind of cooling activation chain conveyer grate operation method of VOCs waste-gas adsorbant |
| WO2021156136A1 (en) * | 2020-02-03 | 2021-08-12 | Sms Group Gmbh | Method for granulating a metallurgical slag |
| CN115052998A (en) * | 2020-02-03 | 2022-09-13 | Sms集团有限公司 | Method for granulating metallurgical residues |
| US12319983B2 (en) | 2020-02-03 | 2025-06-03 | Sms Group Gmbh | Method for granulating a metallurgical slag |
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