CN101205562B - Metallurgical slag treatment method and treatment apparatus - Google Patents
Metallurgical slag treatment method and treatment apparatus Download PDFInfo
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- CN101205562B CN101205562B CN200610165527.5A CN200610165527A CN101205562B CN 101205562 B CN101205562 B CN 101205562B CN 200610165527 A CN200610165527 A CN 200610165527A CN 101205562 B CN101205562 B CN 101205562B
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Abstract
The invention relates to a metallurgical slag treatment method, wherein, the metallurgical slag in a smelting furnace is collected in a slag tank, which is delivered to a tipping device through delivery equipment; the tipping device tips the metallurgical slag into a slag rolling device which comprises a hopper, an outlet at the bottom of the hopper is provided with a pair of rotating rollers which roll the metallurgical slag into sheet shaped slag material, and continuously output outwards; the sheet shaped material continuously passes through a water spray cooling device and is made quick cooling treatment; the sheet shaped slag material enters into a crushing device and is made granulating treatment and forms slag grains by the crushing device which comprises a rotating crushing roller which is provided with a plurality of crushing teeth; the slag grains are thrown into a cooling bay for completely cooling.
Description
Technical field
The present invention relates to a kind of metallurgical cinder treatment process and treatment unit, this treatment process and treatment unit can carry out granulated processed to cryogenic metallurgy molten slag, reduce environmental pollution.
Background technology
02135756 discloses a kind of tilting type steel slag water quenching treatment method, it arranges water quenching pool, cylinder is installed in water quenching pool edge, in cylinder one side, pelletizer is installed, after in molten steel slag is poured the slag ladle on slag car into, be transported to water quenching pool place by the suspension hook of windlass and coordinating of hanger on slag ladle, slag ladle is tilted, fall within on cylinder when turning to the guide arm of tumbling on slag ladle after certain angle, make slag ladle again centered by the rotating shaft of cylinder rotation slowly to the slag of tumbling in water quenching pool, the pressure water of pelletizer has sprayed formation water curtain simultaneously, make slag enter granulation after water curtain, then enter in water quenching pool, slag after shrend is seated in deposits slag field.Slag, the granularity of the present invention after Water Quenching is little, shape matching is regular.But the disclosed method of this patent cannot be carried out granulated processed to low temperature slag, therefore, be necessary to propose a kind of new metallurgical cinder treatment process and treatment unit.
Summary of the invention
The object of the present invention is to provide a kind of metallurgical cinder treatment process; this treatment process is implemented mechanical press distortion, water spray Quench, Mechanical Crushing granulated processed step by step to cryogenic metallurgy molten slag and the poor metallurgical molten slag of mobility; improve the utility value of grain slag, reduce environmental pollution.
The object of the invention is to be realized by following technical proposals: a kind of metallurgical cinder treatment process, handled step is:
Metallurgical cinder in smelting furnace is collected in a slag filling, by Transporting equipment, this receiver is transported on a tipple;
Starting described tipple tumbles metallurgical cinder in a slag reduction unit, there is a hopper this slag reduction unit top, feed hopper bottom exit is provided with the roll of a pair of rotation, and metallurgical cinder is rolled into sheet slag thing by this roll, and external continuous wave output;
Make described sheet slag thing continuously by an equipment water jetting cooler, described sheet slag thing is carried out to cooling process rapidly;
Make described sheet slag thing enter a shredder assembly, by this shredder assembly, described sheet slag thing is carried out to granulated processed and form slag particles, described shredder assembly comprises a broken shaft, and broken shaft is provided with multiple crushing teeths;
Described slag particles is thrown in a cooling basin completely cooling.
Second object of the present invention is to provide a kind for the treatment of device for metallugical cinder; this treatment unit carries out mechanical press to the higher cryogenic metallurgy molten slag of viscosity and the poor metallurgical molten slag of mobility; spray water cooling; Mechanical Crushing; metallurgical cinder broken granulation by force that cannot granulation by traditional granulating method, and have good granulation effect.
Second object of the present invention realized by following technical proposals: a kind for the treatment of device for metallugical cinder, comprises that one is installed framework, slag reduction unit, equipment water jetting cooler, shredder assembly; Described installation framework top arranges a hopper, the exit of this feed hopper bottom arranges described slag reduction unit, described installation framework bottom arranges described equipment water jetting cooler, described installation framework bottom arranges described shredder assembly, and the crushing operation end of this shredder assembly is corresponding with the output terminal of described slag reduction unit; Below described installation framework, cooling basin is set; Described slag reduction unit comprise two rotations roll, drive the drive-motor, gear reducer of roller rotational, transmission shaft with universal joint, described roll is installed by bearing support and support, and roll mandrel is connected with motor power by transmission shaft, gear reducer; Described shredder assembly comprises a frame, and a drive-motor is housed in this frame, and the output shaft end of drive-motor connects broken shaft, and multiple crushing teeths are housed on this broken shaft; Equipment water jetting cooler comprises high-pressure water pump device, water pipe and multiple shower nozzle, this shower nozzle is communicated with high-pressure water pump device output terminal by water pipe, and described multiple shower nozzles are arranged on the position between the output terminal of described slag reduction unit and the operation end of described shredder assembly.
Compared with the prior art the present invention, has advantages of as follows:
1, the processing method that adopts hot rolling deformation, Mechanical Crushing to combine due to the present invention, can carry out granulated processed cheaply to metallurgical cinder cryogenic metallurgy slag and high viscosity, poor fluidity, and can control the size of slag particles.
2, adopt the processing mode of mechanical press, water spray Quench due to the present invention; can make Dicalcium Phosphate (Feed Grade) (C2S) and tricalcium silicate (C3S) content in slag improve; slag is produced for silicate cement, and enabling environment protection, economizes on resources.
3, the granulation mode that adopts mechanical press to combine with Mechanical Crushing due to the present invention, improves granulation effect greatly, and easily controls the size of slag particles, can save the cost of Downstream processing operation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1, treatment device for metallugical cinder structural representation of the present invention
Fig. 2, treatment device for metallugical cinder vertical view of the present invention (vertical view of Fig. 1)
Fig. 3, slag reduction unit schematic diagram of the present invention
Fig. 4, slag reduction unit sectional view of the present invention (the B-B sectional view of Fig. 3)
Fig. 5, slag reduction unit vertical view of the present invention (A of Fig. 3 is to view)
Fig. 6, slag rolling schematic diagram of the present invention (the C portion enlarged view of Fig. 1)
Fig. 7, shredder assembly schematic diagram of the present invention
Fig. 8, shredder assembly side-view of the present invention (right side view of Fig. 7)
Fig. 9, treatment device for metallugical cinder work schematic diagram of the present invention
Figure 10, embodiments of the invention two structural representations
Figure 11, process flow diagram of the present invention,
Embodiment
Embodiment mono-:
Referring to Fig. 1 and Figure 11, a kind of metallurgical cinder treatment process, the step of its processing is:
Metallurgical cinder in smelting furnace is collected in a slag filling, by Transporting equipment, this receiver is transported on a tipple; Described metallurgical cinder is thick shape slag, and it is conventional equipment that slag fills with 8, and Transporting equipment is conventional slag waggon 9, and tipple is conventional tumbler 7;
Starting described tipple tumbles metallurgical cinder in a slag reduction unit, there is a hopper this slag reduction unit top, feed hopper bottom exit is provided with the roll of a pair of rotation, metallurgical cinder feeds the roll rotating by hopper, metallurgical cinder is rolled into sheet slag thing 600 (referring to Fig. 6) by this roll, and external continuous wave output; Described slag reduction unit is roll-type roller mill 2, hopper be cast steel material manufacture form be subject to slag charge bucket 6, can bear high-temperature slag;
Make described sheet slag thing continuously by an equipment water jetting cooler 3, described sheet slag thing is carried out to cooling process (also can be called Quench processing) rapidly, the temperature of sheet slag thing is declined rapidly; In the present embodiment, sheet slag thing vertically declines along gravity direction, through the cooling operation end that enters shredder assembly downwards of water spray;
Make described sheet slag thing enter a shredder assembly 4, by this shredder assembly, described sheet slag thing is carried out to granulated processed and form slag particles, described shredder assembly comprises a broken shaft, and broken shaft is provided with multiple crushing teeths;
Described slag particles is thrown into a cooling basin 5 interior completely cooling.
In the present embodiment, the thickness of described sheet slag thing is 0.5-100 millimeter, and the best remains on 5 millimeters.The thickness of sheet slag thing is less, and it is faster that its temperature declines, and more can guarantee the effect of Quench.
The equipment using in the present embodiment can adopt disclosed equipment in embodiment tri-, and device structure is referring to embodiment tri-.In the present embodiment, the temperature of cooling water of equipment water jetting cooler and physical environment temperature be consistent (0 ℃-80 ℃).In cooling basin, cooling later finished product slag can or drag for slag equipment slag particles is pulled out from cooling basin by grab bucket equipment completely, delivers to stock ground preserve by feed belt machine.
Method of the present invention can be to steel stove slag, non-ferrous slag, and blast furnace slag is processed.The present embodiment is mainly to process for slag.The generation temperature of slag is more than 1560 ℃; when its molten state, mobility is better; can adopt the granulating device of good permanent method to carry out granulation; when reason or misoperation not in time of transportation, or steel stove fault is while causing slag temperature to decline, and the viscosity of slag rises; mobility is lost; the granulating device of good permanent method cannot carry out granulation, and traditional way is first to stack preservation, waits after completely cooling and processes.And the present invention provides a good solution for above-mentioned situation exactly.The granulating device of good permanent method can be referring to ironmaking the 22nd the 2nd phase of volume of magazine, or the disclosed content of Chinese patent 00261532.0.
In conventional slag, contain the Dicalcium Phosphate (Feed Grade) similar to Portland clinker (C2S) and tricalcium silicate (C3S), in high alkalinity bessemer furnace slag, the massfraction of the two is more than 50%, in, in the slag of low basicity the two massfraction below 50%, in, in the slag of low basicity, be mainly Dicalcium Phosphate (Feed Grade) (C2S).The generation temperature of slag is more than 1560 ℃, and the firing temperature of Portland clinker is 1400 ℃ of left and right.The generation temperature of slag is high, compact crystallization, and crystal grain is larger, and hydration rate is slow.Therefore slag can be called to burning Portland clinker.And treatment process of the present invention can guarantee in the steel slag particle after granulated processed to contain compared with the Dicalcium Phosphate (Feed Grade) of high ingredient and tricalcium silicate, can be directly used in silicate cement processing.
Embodiment bis-:
Referring to Figure 10, a kind of metallurgical cinder treatment process, the step of its processing is:
Metallurgical cinder in smelting furnace is collected in a slag filling, by Transporting equipment, this receiver is transported on a tipple;
Start described tipple metallurgical cinder is tumbled in a slag reduction unit, metallurgical cinder is rolled into sheet slag thing by this roll, and external continuous wave output;
In the present embodiment, the thickness of described sheet slag thing is 0.5-100 millimeter, and the best remains on 5 millimeters.The thickness of sheet slag thing is less, and it is faster that its temperature declines.
Equipment used is referring to Figure 10, Fig. 3, Fig. 4, Fig. 5, Fig. 6 in the present embodiment, (Fig. 5 demonstrates lower support structure, upper frame is removed) described slag reduction unit comprise two rotations roll 207, drive the drive-motor 213, gear reducer 212 of roller rotational, transmission shaft 211 with universal joint, described roll is installed by bearing support 206 and support 202, and roll mandrel is connected with motor power by transmission shaft, gear reducer.In order to make metallurgical cinder enter smoothly slag reduction unit, this device top arranges a hopper 6, and the outlet 601 of this feed hopper bottom is arranged on the position in the middle of two rolls.When metallurgical cinder feeds between two rolls by hopper, this roll can be rolled into metallurgical cinder sheet slag thing 600, and along externally continuous wave output of gravity direction (downwards).
Embodiment tri-:
A kind for the treatment of device for metallugical cinder, referring to Fig. 1, Fig. 2, comprises that one is installed framework, slag reduction unit, equipment water jetting cooler, shredder assembly; The framework 1 that described installation framework is a steel design, its top arranges a hopper 6, the exit of this feed hopper bottom arranges described slag reduction unit 2, described installation framework bottom arranges described equipment water jetting cooler 3, described installation framework bottom arranges described shredder assembly 4, and the crushing operation end of this shredder assembly is corresponding with the output terminal of described slag reduction unit; In figure, the right side of shredder assembly is crushing operation end, and the bottom of slag reduction unit is output terminal; Below described installation framework, cooling basin 5 is set.
In the present embodiment, it is the framework of a steel design that framework is installed, formed by multiple columns 102 and multiple horizontal gird and longeron, framework is installed several work layers can be set, for example upper strata 101 is for installing hopper, middle level 103 is for installing slag reduction unit, and bottom 104 is for installing shredder assembly.Framework is installed and is arranged on above cooling basin, between two pool sides of cooling basin, set up a supporting traverse 105, framework one end is installed and is fixed on a pool side of cooling basin, the other end is fixed on supporting traverse, is convenient to grain slag and enters cooling basin.
Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, (Fig. 5 demonstrates lower support structure, upper frame is removed) described slag reduction unit comprise two rotations roll 207, drive the drive-motor 213, gear reducer 212 of roller rotational, transmission shaft 211 with universal joint, described roll is installed by bearing support 206 and support 202, and roll mandrel is connected with motor power by transmission shaft, gear reducer.In order to make metallurgical cinder enter smoothly slag reduction unit, this device top arranges a hopper 6, and the outlet 601 of this feed hopper bottom is arranged on the position in the middle of two rolls.When metallurgical cinder feeds between two rolls by hopper, this roll can be rolled into metallurgical cinder sheet slag thing 600, and along externally continuous wave output of gravity direction (downwards).In order to prevent from sneaking into the larger and larger-size solid damage equipment of hardness in metallurgical cinder, can in described slag reduction unit, be provided with overload mechanism.
In the present embodiment, described slag reduction unit arranges a lower support 202, and lower support bottom arranges the fixing ear 208 of multiple installations, is used for and framework is installed is fixed; Lower support is provided with two parallel guiding conduits 2022, and this guiding conduit can be flute profile slideway with rib (also can without rib), and two adjustable bearing bases 206 and fixed bearing block 209 are arranged in this guiding conduit; The two ends of a roll mandrel are arranged in adjustable bearing base, and the two ends of another roll mandrel are arranged in fixed bearing block.Lower support top is provided with upper frame 210, corresponding with lower support, is also provided with two parallel guiding conduits 2023 on upper frame, and upper frame and lower support are fixing by flange 2024, and upper frame and lower support are installed together and form a complete slideway.Be provided with two pilot holes 2021 at the right-hand member of lower support, regulating pushing rod 204 is installed in this pilot hole, this regulating pushing rod outer end screw thread is installed setting nut 201, the other end arranges thrust disc 205, this thrust disc is rectangular, can move along guiding conduit, is set with pressure spring 203 on regulating pushing rod, this pressure spring one end is pressed on lower support, and the other end is pressed on the thrust disc of regulating pushing rod.Described thrust disc is pressed on adjustable bearing base all the time.Can regulate two gaps between roll by rotation setting nut, thereby adjust the thickness of the metallurgical cinder thing being rolled, the thickness of metallurgical cinder can be selected between 0.5-100 millimeter.Referring to Fig. 3; described regulating pushing rod, thrust disc, pressure spring form overload mechanism; when sneak into hardness in metallurgical cinder larger and larger-size solid while entering between two rolls; the roll (roll on the left side) being arranged on adjustable bearing base will be forced to be moved to the left; adjustable bearing base is moved to the left along guiding conduit; when described solid is by after slag reduction unit; pressure spring promotes adjustable bearing base by thrust disc and recovers former desired location, completes overload protection.
Referring to Fig. 7, Fig. 8 (Fig. 7 is the transverse sectional view of Fig. 8), described shredder assembly comprises a frame 403, a drive-motor 408 is housed in this frame, the output shaft end of drive-motor connects broken shaft 404, a speed reduction unit 407 can be set between the output shaft of drive-motor and broken shaft, multiple crushing teeths 401 are installed on broken shaft, this crushing teeth is to be made up of inserted 402 of denticle and alloy material, after inserted breakage, can change, can be cost-saving.Broken shaft is installed with support by bearing and bearing support 406.Referring to Fig. 7, shredder assembly left side arranges shield cap 405, and the right side of shredder assembly is the operation end of shredder assembly.The structure of the shredder assembly of the present embodiment and conventional ore crusher are basic identical, and no further details to be given herein.
Referring to Fig. 1, Fig. 2, equipment water jetting cooler comprises high-pressure water pump device 300, water pipe 302,303 and multiple shower nozzle 304,305, this shower nozzle is communicated with high-pressure water pump device output terminal by water pipe, and described multiple shower nozzles are arranged on the position between the output terminal of described slag reduction unit and the operation end of described shredder assembly.The water-in 301 of high-pressure water pump device is arranged in the well 501 in cooling basin, and the top of well arranges cover plate 502.
In the present embodiment, the water pipe 302 of high-pressure water pump device output terminal is communicated with the water pipe 303 of installing on framework, many group shower nozzles 305 are set on this water pipe, and this shower nozzle is arranged on the both sides of slag reduction unit delivery port, in the time having the sheet slag thing being rolled to arrive nozzle position, this shower nozzle is cooling to its water spray by the two sides from sheet slag thing.
When the treatment device for metallugical cinder of the present embodiment uses, need to be fixed on a building foundation, above treatment device for metallugical cinder, configure a tipple, configure a cooling basin below treatment device for metallugical cinder, this cooling basin is a pond recycling.Referring to Fig. 1, Fig. 2, tipple comprises the frame 7 of tumbling, slag filling 8, slag waggon 9, slag is filled with need to tumble operation time, the frame of the tumbling motivation 701 that powers on starts, drive windlass 703 to rotate by speed reduction unit 702, windlass drives the major axis 705 on tumbler frame to rotate by wireline, and the winching barrel at major axis middle part synchronously rotates, wireline on winching barrel drives slag to fill with and tumbles to hopper one side, in hopper, topples over slag.Fig. 9 has shown the situation of tipple work.This tipple belongs to routine techniques, and no further details to be given herein.
The using method of the present embodiment can be referring to the disclosed content of embodiment mono-.
Claims (2)
1. a metallurgical cinder treatment process, is characterized in that: handled step is:
Metallurgical cinder in smelting furnace is collected in a receiver, by Transporting equipment, this receiver is transported on a tipple; Described metallurgical cinder is thick shape slag;
Starting described tipple tumbles metallurgical cinder in a slag reduction unit, there is a hopper this slag reduction unit top, feed hopper bottom exit is provided with the roll of a pair of rotation, and metallurgical cinder is rolled into sheet slag thing by this roll, and external continuous wave output;
Make described sheet slag thing continuously by an equipment water jetting cooler, described sheet slag thing is carried out to cooling process rapidly;
Make described sheet slag thing enter a shredder assembly, by this shredder assembly, described sheet slag thing is carried out to granulated processed and form slag particles, described shredder assembly comprises a broken shaft, and broken shaft is provided with multiple crushing teeths;
Described slag particles is thrown in a cooling basin completely cooling, in described slag particles, contains compared with the Dicalcium Phosphate (Feed Grade) of high ingredient and tricalcium silicate, can be directly used in silicate cement processing;
The treatment device for metallugical cinder using, comprises that one is installed framework, slag reduction unit, equipment water jetting cooler, shredder assembly; Described installation framework top arranges a hopper, the exit of this feed hopper bottom arranges described slag reduction unit, described installation framework bottom arranges described equipment water jetting cooler, described installation framework bottom arranges described shredder assembly, and the crushing operation end of this shredder assembly is corresponding with the output terminal of described slag reduction unit; Below described installation framework, cooling basin is set; Described slag reduction unit comprise two rotations roll, drive the drive-motor, gear reducer of roller rotational, transmission shaft with universal joint, described roll is installed by bearing support and support, and roll mandrel is connected with motor power by transmission shaft, gear reducer; Described shredder assembly comprises a frame, and a drive-motor is housed in this frame, and the output shaft end of drive-motor connects broken shaft, and multiple crushing teeths are housed on this broken shaft; Equipment water jetting cooler comprises high-pressure water pump device, water pipe and multiple shower nozzle, this shower nozzle is communicated with high-pressure water pump device output terminal by water pipe, and described multiple shower nozzles are arranged on the position between the output terminal of described slag reduction unit and the operation end of described shredder assembly; In described slag reduction unit, be provided with overload mechanism, described overload mechanism is made up of regulating pushing rod, thrust disc, pressure spring; Described regulating pushing rod is arranged in the pilot hole of described support, and described regulating pushing rod outer end screw thread is installed setting nut, and its other end arranges thrust disc, and described pressure spring is sleeved on described regulating pushing rod; Described pressure spring one end is pressed on described support, and the described pressure spring the other end is pressed on described thrust disc.
2. a treatment device for metallugical cinder, is characterized in that: comprise that one is installed framework, slag reduction unit, equipment water jetting cooler, shredder assembly; Described installation framework top arranges a hopper, the exit of this feed hopper bottom arranges described slag reduction unit, described installation framework bottom arranges described equipment water jetting cooler, described installation framework bottom arranges described shredder assembly, and the crushing operation end of this shredder assembly is corresponding with the output terminal of described slag reduction unit; Below described installation framework, cooling basin is set; Described slag reduction unit comprise two rotations roll, drive the drive-motor, gear reducer of roller rotational, transmission shaft with universal joint, described roll is installed by bearing support and support, and roll mandrel is connected with motor power by transmission shaft, gear reducer; Described shredder assembly comprises a frame, and a drive-motor is housed in this frame, and the output shaft end of drive-motor connects broken shaft, and multiple crushing teeths are housed on this broken shaft; Equipment water jetting cooler comprises high-pressure water pump device, water pipe and multiple shower nozzle, this shower nozzle is communicated with high-pressure water pump device output terminal by water pipe, and described multiple shower nozzles are arranged on the position between the output terminal of described slag reduction unit and the operation end of described shredder assembly; In described slag reduction unit, be provided with overload mechanism, described overload mechanism is made up of regulating pushing rod, thrust disc, pressure spring; Described regulating pushing rod is arranged in the pilot hole of described support, and described regulating pushing rod outer end screw thread is installed setting nut, and its other end arranges thrust disc, and described pressure spring is sleeved on described regulating pushing rod; Described pressure spring one end is pressed on described support, and the described pressure spring the other end is pressed on described thrust disc.
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| CN200610165527.5A CN101205562B (en) | 2006-12-21 | 2006-12-21 | Metallurgical slag treatment method and treatment apparatus |
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| CN200610165527.5A CN101205562B (en) | 2006-12-21 | 2006-12-21 | Metallurgical slag treatment method and treatment apparatus |
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| CN101205562B true CN101205562B (en) | 2014-05-14 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5544684B2 (en) * | 2008-03-20 | 2014-07-09 | Ｊｆｅスチール株式会社 | Molten slag cooling processing apparatus and cooling processing method |
| CN101725831B (en) * | 2009-11-12 | 2013-12-04 | 芜湖新兴铸管有限责任公司 | Red mud conveying device in steelmaking production and treating method thereof |
| CN101716542B (en) * | 2009-12-11 | 2012-07-04 | 中冶京诚工程技术有限公司 | Slag crushing device, crushing method and semi-wet slag treatment system |
| CN102071270B (en) * | 2010-12-20 | 2012-07-18 | 山西太钢不锈钢股份有限公司 | Method for setting total water amount of thermal process of steel slag strip ladle |
| CN105838831A (en) * | 2016-04-15 | 2016-08-10 | 中冶节能环保有限责任公司 | Casting residual slag online treatment device and method |
| CN106435062B (en) * | 2016-10-14 | 2018-12-11 | 北京立化科技有限公司 | A kind of high-temperature liquid state slag granulating system |
| CN106435063B (en) * | 2016-10-14 | 2018-12-11 | 北京立化科技有限公司 | A kind of liquid slag granulation system |
| CN106435064B (en) * | 2016-10-14 | 2018-12-11 | 北京立化科技有限公司 | A kind of high-temperature slag granulation system |
| CN106435061B (en) * | 2016-10-14 | 2018-12-11 | 北京立化科技有限公司 | A kind of slag granulation system with automatic clearing function |
| CN106755666A (en) * | 2017-02-28 | 2017-05-31 | 上海大学 | slag treatment and heat energy utilization method and device |
| CN108148933B (en) * | 2017-12-15 | 2019-11-12 | 宁波市鄞州堃信工业产品设计有限公司 | A kind of processing mechanism and its processing method of blast-furnace slag |
| CN110205416B (en) * | 2019-05-17 | 2021-05-14 | 昆明理工大学 | High-temperature molten slag multiphase jet flow composite granulating powder preparation method |
| CN110735010A (en) * | 2019-09-10 | 2020-01-31 | 武汉市亚克流体设备有限公司 | Slag powerful thermal crushing device |
| CN111020073B (en) * | 2019-12-04 | 2021-01-29 | 西安交通大学 | Liquid slag dry-type granulating and waste heat recovering device with slag wool crushing function and operation method thereof |
| CN111606583B (en) * | 2020-06-01 | 2021-09-21 | 上海驰春节能科技有限公司 | Equipment and method for producing cement by using liquid steel slag as raw material |
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2006
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