CN102465188B - Tank type metallurgical slag treatment apparatus - Google Patents
Tank type metallurgical slag treatment apparatus Download PDFInfo
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- CN102465188B CN102465188B CN2010105327295A CN201010532729A CN102465188B CN 102465188 B CN102465188 B CN 102465188B CN 2010105327295 A CN2010105327295 A CN 2010105327295A CN 201010532729 A CN201010532729 A CN 201010532729A CN 102465188 B CN102465188 B CN 102465188B
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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
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Abstract
The present invention relates to a tank type metallurgical slag treatment apparatus. The apparatus comprises a granulating tank and a granulating device. The middle part of the granulating tank is provided with a material inlet. The output port of the granulating device is communicated with the material inlet. The side of the bottom of the granulating tank is provided with a slag outlet, wherein the side of the bottom of the granulating tank is relative to the material inlet. The top of the granulating tank is provided with an exhaust chimney. The internal of the granulating tank is provided with a multi-stage suspension type slag blocking plate, wherein the position of the multi-stage suspension type slag blocking plate is relative to the position of the material inlet. The slag outlet is provided with an adjustment gate. The granulating tank on the inner side of the adjustment gate is provided with a grid filter. The granulating tank above the slag outlet is provided with an overflow port. The slag outlet and the overflow port are communicated with a dewatering device connection pipe. The middle part of the granulating tank is provided with a maintenance platform. The position of the input port of the granulating device is provided with a slag input channel head. With the present invention, the steam generation can be reduced, the safety of the slag treatment process is ensured, and the quality of the finished product slag is improved by prolonging the water quenching time of the slag.
Description
Technical field
The present invention relates to a kind of pot type metallurgical cinder treatment unit, metallurgical cinder is carried out the granulation Water Quenching.This device comprises granulation tank body, pelletizer, and the granulation tank body is provided with opening for feed, slag notch, multistage suspension type skimming plate, overflow port, gas shaft; The slag notch top arranges the adjusting flashboard, regulates the flashboard inboard grid filtration device is set.
Background technology
Along with the continuous development of China's Iron And Steel Industry, slag (containing blast furnace slag, slag, non-ferrous metal slag) especially slag utilize approach, extremely the insider pays close attention to.But because the character of slag and the treatment process of taking make the slag value-added content of product extremely low; General slag product still is confined to as roadbed, brickmaking, is used for cement irony correction agent or adulterant etc. on a small quantity except magneticly electing little metal iron or containing the scum, causes the processing slower development to slag.Character according to slag, slag product first-selection is suitable for use as building materials raw material or adulterant, the treatment process of numerous slags has been taked the treatment process of slow cooling, slag mesosilicic acid DFP after the processing, Dicalcium Phosphate (Feed Grade) content reduce significantly, and the mass percent of free magnesium, free calcium oxide is higher than the national standard as building materials raw material or adulterant.
The birth of granulation shrend process for treating steel slag improves and has widened the approach that utilizes of slag product.Chinese patent 97228276.9 discloses a kind of wheel method furnace slag particle makeup and has put, this device comprises transmission mechanism, slag slide mouth, pelletizer, water trap, hopper, the slag of being discharged by blast furnace is injected in the pelletizer by slag slide mouth, is provided with the granulation wheel in pelletizer slag is carried out fragmentation; Meanwhile, there is water coolant to be sprayed onto on the slag it is carried out Water Quenching, make slag become fine granularity, fall in the water trap again and dewater, by hopper short grained grain slag is exported granulating device at last; This apparatus structure is reasonable in design, and floor space is little.But, in treating processes, often because the variation of slag amount, easily cause granulation, cooling insufficient, cause occurring the red slag of bulk, influenced the quality of finished product slag; A large amount of steam that moment produces accumulate in the equipment, and the temperature and pressure in the device is increased severely, and explosion hazard happens occasionally.Therefore, need to propose a kind of pot type metallurgical cinder treatment unit.
Summary of the invention
The object of the present invention is to provide a kind of pot type metallurgical cinder treatment unit, this device comprises granulation tank body, pelletizer, and the granulation tank body is provided with opening for feed, slag notch, multistage suspension type skimming plate, overflow port, gas shaft; The slag notch top arranges the adjusting flashboard, regulates the flashboard inboard grid filtration device is set.The present invention evenly throws shrend in the water coolant that is dissipated to the big volume that circulates with grain slag, can reduce the generation of water vapor, guarantees that the slag treatment process is safer, simultaneously, and the corresponding shrend time that has prolonged slag, the quality of raising finished product slag.Water coolant in the granulation tank body can have been saved water resources by supporting cooling water system recycle.
The objective of the invention is to be realized by following technical proposals: a kind of pot type metallurgical cinder treatment unit, comprise granulation tank body, pelletizer, the middle part of described granulation tank body is provided with opening for feed, and the delivery port of described pelletizer is communicated with described opening for feed; The relative side with opening for feed in the bottom of described granulation tank body is provided with slag notch, and the top of described granulation tank body is provided with gas shaft; The position corresponding with opening for feed, the inside of described granulation tank body arranges multistage suspension type skimming plate, the adjusting flashboard is set on the described slag notch, on the granulation tank body of described adjusting flashboard inboard the grid filtration device is set, on the granulation tank body of described slag notch top an overflow port is set; Described slag notch, described overflow port are taken over a water trap and are communicated with; The middle part of described granulation tank body is provided with inspection platform, and slag input ditch head is equipped with at the place, input aperture of described pelletizer.
Compared with the prior art the present invention has following advantage:
1, the present invention utilizes multistage suspension type skimming plate that grain slag is spread to granulation tank body bottom uniformly to have in the recirculated cooling water of certain water level; moment is improved the ratio of water, slag; the water vapor amount of generation is reduced significantly, guarantee the safer of slag treatment process.Adjust the size of cinder notch by regulating flashboard, control cooling water circulation mobile; The flow velocity of control and reduction slag, water mixture, the shrend time of prolongation grain slag, the quality of raising finished product slag.
2, the working face of the crushing teeth of granulation wheel of the present invention is provided with a plurality of broken stakes, and in shattering process, broken stake is controlled golden slag with high temperature and directly contacted; slowed down the loss of crushing teeth body; prolonged the work-ing life of crushing teeth, thereby saved material, reduced production costs.
3, the broken stake on the crushing teeth of granulation wheel of the present invention adopts special process to handle, and applies the boride ceramics protective layer in broken stake, both can improve the ability to bear to high-temperature slag, can reduce the adhesion of high-temperature slag again.
4, on the granulation wheel of the present invention guiding cone is housed; the sputter conical surface of guiding cone is designed to the scattering pitted skin; the cooling-water flowing that sprays on it can be dispersed into water droplet; be splashed on the board slot in water of crushing teeth uniformly; can reach better cooling performance, make crushing teeth have higher tolerance to high-temperature slag.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cross sectional representation (A of Fig. 1-A sectional view) of granulation tank body of the present invention;
Fig. 3 is the cross sectional representation (C of Fig. 4-C sectional view) of granulation wheel;
Fig. 4 is the longitudinal section synoptic diagram (B of Fig. 3-B sectional view) of granulation wheel;
Fig. 5 is the front schematic view of crushing teeth;
Fig. 6 is the schematic cross-section (D of Fig. 5-D sectional view) of crushing teeth;
Fig. 7 is the synoptic diagram of the working face of crushing teeth.
Embodiment
Referring to Fig. 1, pot type metallurgical cinder treatment unit of the present invention comprises granulation tank body 4, pelletizer 1, and the middle part of described granulation tank body is provided with opening for feed, and the delivery port of described pelletizer is communicated with described opening for feed; The relative side with opening for feed in the bottom of described granulation tank body is provided with slag notch 13, and the top of described granulation tank body is provided with gas shaft 8; The position corresponding with opening for feed, the inside of described granulation tank body arranges multistage suspension type skimming plate 3, arrange on the described slag notch and regulate flashboard 131, on the granulation tank body of described adjusting flashboard inboard grid filtration device 12 is set, on the granulation tank body of described slag notch top an overflow port 11 is set; Described slag notch, described overflow port are taken over 14 with a water trap and are communicated with; The middle part of described granulation tank body is provided with inspection platform 5, and slag input ditch head 42 is equipped with at the place, input aperture of described pelletizer.
Referring to Fig. 1, Fig. 2, the present invention is fixed on the reinforced concrete foundation, and in the present embodiment, the granulation tank body is cylindrical, and the barrel dliameter of granulation tank body is 4 meters, highly is 6.8 meters.The middle part of granulation tank body is provided with opening for feed, and slag, water mixture are entered in the granulation tank body by opening for feed.The delivery port of this opening for feed and pelletizer joins by the short chute 41 that the lining material is arranged, and an end of short chute and the delivery port of pelletizer are fixed by flange, and the other end solid welding is on the sidewall of granulation tank body.The top of granulation tank body is provided with a transition section, and the top of described transition section connects gas shaft 8.Described transition section is conically shaped, and the barrel dliameter of this transition section lower end is greater than the barrel dliameter of its upper end, and the barrel dliameter of transition section dwindles from the bottom to top gradually; In the present embodiment, the barrel dliameter of transition section lower end is 4 meters, and the barrel dliameter of upper end is 1.8 meters.The barrel dliameter of described gas shaft is 1.8 meters.
Referring to Fig. 1; in the present embodiment; before slag is carried out the granulation shrend; cooling water system in the granulation tank body is operation earlier; adjust the openings of sizes of cinder notch by adjusting flashboard 131; make the liquid level of the water coolant of granulation tank body bottom injection reach specified water level place, the nominal volume of this water coolant is about 25m
3Regulate flashboard by fixedly flashboard and movable flashboard are formed.Supporting in the granulation tank body have a liquidometer, can detect the water level of water coolant, detects the fluctuation of liquid level by liquidometer, monitors by electric control system.Adjust the openings of sizes of cinder notch 13 by regulating flashboard, control cooling water circulation mobilely, the flow of recirculated cooling water is 1000m
3/ h.
Referring to Fig. 2, in the present embodiment, the internal fixation of described granulation tank body has support frame 31, and eight skimming plates are installed on the support frame, is staged along the parabolic path of grain slag and installs.Form the steam rising passway between the skimming plate of every two-stage neighboring.In the present embodiment, skimming plate 3 is rectangular plate, and the length of its horizontal direction is 1.5 meters, and the length of its vertical direction is 0.4 meter, and the distance between the plate face of the skimming plate of every two-stage neighboring is 0.4 meter.The ladder distance of the skimming plate of every two-stage neighboring is 0.4 meter (upper edge of previous stage skimming plate is 0.4 meter with the distance of the upper edge of back one-level skimming plate).Skimming plate two ends and support frame flexibly connect, and movable skimming plate can make slag, water mixture be scattered with different angles downwards, and the surface of grain slag is contacted fully with water coolant, improve the effect of secondary shrend.This skimming plate can be designed to the pitted skin of ratchet shape towards the surface of opening for feed, the design of ratchet shape is than general plane degree of scattering height.
Referring to Fig. 1, in the present embodiment, described pelletizer 1 is made of pelletizer housing, granulation wheel 2, granulation wheel drive unit, waterworks.Slag input ditch head 42 is equipped with at the place, input aperture of pelletizer, and the syndeton of slag input ditch head and pelletizer housing can be stationary structure, also can be the swing type structure.Water pipe at the bottom of the pelletizer housing is provided with upper hose, outfall sewer, two.The granulation wheel drive unit is identical with prior art with waterworks, is not described in detail at this.Slag places on the support of hydraulic tipping gear with receiver; hydraulic lifting mechanism brings into operation; the clamping oil cylinder clamps receiver on support; elevating ram rises, and receiver is done circular motion by the lift of elevating ram along fulcrum with support, and receiver is tilted; slag flows out naturally; enter pelletizer through slag input ditch head, impacted into particulate state by the granulation of high speed rotating in pelletizer wheel, with the cooling of high-pressure cooling water jet.The slag, the water mixture that form enter (arrow Fig. 1 is represented the parabolic path of slag, water mixture) in the granulation tank body along parabolic path from opening for feed; it is downward to force slag, water mixture to change flow direction by stopping of multistage suspension type skimming plate; fall into the recirculated cooling water of granulation tank body bottom; carry out shrend, cooling again, make grain slag not only keep its original mineral substance component substantially.Utilization has the recirculated cooling water of certain water level, reduces the generation of water vapor significantly.The top of described granulation tank body is provided with spray equipment 7, and spray equipment is made up of a plurality of nozzles, sprays weakly alkaline liquid to eliminate the obnoxious flavoures such as sulfurous gas in the steam in the steam that rises.In order to improve the work-ing life of granulation tank body, scribble wear-resistant heat resisting coating in the granulation tank body.
Referring to Fig. 1, in the present embodiment, the slag notch 13 of granulation tank base, overflow port 11 are taken over 14 with a water trap and are communicated with.To slag notch, grain slag is taken over the water trap that flows into the downstream along water trap and is dewatered with the cooling-water flowing that circulates for slag, water mixture.Described adjusting flashboard 131 inboards are provided with grid filtration device 12; the grid filtration device is cage type; constitute (wherein a side of contiguous slag notch does not arrange screen) by three blocks of grating coaming plates and a grating top board; grid filtration device lower end is fixed on the base plate of granulation tank body; the inwall of its side and granulation tank body is fixed, and the correspondence position in the slag notch inboard forms a filtering grid cover.Grain slag filters through the grid filtration device earlier before being discharged by slag notch, and the grain slag that particle separation diameter is excessive stops the excessive grain slag of particle diameter to stop up slag notch.When the grain slag of being piled up when slag notch stopped up, the water level of the water coolant in the granulation tank body raise, and slag, water mixture can discharge by the overflow port of slag notch top, and slag, water mixture are taken over the water trap that flows into the downstream along water trap and dewatered.Grain slag after the water trap dehydration is transported to finished product slag transfer hopper by finished product slag tape carrier machine.
Referring to Fig. 1, Fig. 2, in the present embodiment, the middle part of granulation tank body is provided with maintenance door, safety rail and maintenance cat ladder (not showing among the figure), is provided with inspection platform 5 in the maintenance door.Pot type metallurgical cinder treatment unit maintenance door when operation is closed.The inspection platform upper fixed is provided with track 6(and is horizontally disposed with), electric block 9 or bottle gouard moved by hands are installed in orbit.When this device quits work, can change the work such as bulk grain slag of skimming plate, cleaning obstruction slag notch by electric block or bottle gouard moved by hands.Electric block, bottle gouard moved by hands are identical with the content of prior art, are not described in detail at this.
Referring to Fig. 3, Fig. 4, Fig. 5; in the present embodiment; granulation wheel 2 is steel framed structure; the center of described granulation wheel be provided with a tubular shaft 21(be horizontally disposed with); the two ends of described granulation wheel are provided with two annular endplates 211, radially are provided with eight between described annular endplate and the described tubular shaft and support disc 212.In the present embodiment, the width of granulation wheel is 1 meter, and outer (directly) footpath of described annular endplate also is 1 meter.Described tubular shaft middle part arranges a guiding cone 22, and described guiding cone comprises two sputter conical surfaces 221, and the described sputter conical surface is provided with a plurality of radially splitter vanes 222.Between described two annular endplates eight crushing teeths 23 are housed, described crushing teeth is dismountable straight-tooth, and the upstream face 236 of described crushing teeth is provided with a plurality of board slots in water 237, and the upstream face of described crushing teeth refers to the internal surface of crushing teeth.Described crushing teeth two ends are provided with flange 233, and described crushing teeth is installed on the described annular endplate by flange.
Referring to Fig. 4, Fig. 5, in the present embodiment, described guiding cone profile is American football shape, guiding cone inside is hollow structure, the outside is made of two symmetrically arranged sputter conical surfaces 221, the cone angle of two sputter conical surfaces is selected between 60 °～100 °, and most preferred cone angle is 80 °.Described guiding cone and tubular shaft fixed installation.Fixed form can adopt conventional technique means, is not described in detail at this.Be separately installed with 16 radially splitter vanes 222 on two sputter conical surfaces of guiding cone, described splitter vane and guiding cone welding are fixing.The sputter conical surface of guiding cone will spray on it cooling-water flowing to around sputter, will be cooled off on the internal surface that water droplet is assigned to each crushing teeth uniformly by splitter vane radially again.The internal surface of crushing teeth refers to the surface corresponding with tubular shaft, and board slot in water 237 is the conduits that form by between a plurality of stripe board 232 that are arranged on the crushing teeth internal surface.The water coolant that is splashed to the crushing teeth internal surface is resided in this conduit under the action of the centrifugal, evenly cover on the crushing teeth internal surface, improve the cooling performance of crushing teeth greatly.The height of described stripe board generally is the 10-20 millimeter.
Referring to Fig. 3, Fig. 4, in the present embodiment, between described two annular endplates 211 eight crushing teeths 23 are housed, described eight crushing teeths are end to end, along circumference.Described crushing teeth is formed by the rare earth alloy steel casting, has performances such as wear-resistant, high temperature resistant and shock-resistant.In shattering process, increased the contact area of this crushing teeth and metallurgical cinder, improved the granulation ability to the break process of slag; Crushing teeth is easily worn part, and it is easier that dismountable design is changed it.
Referring to Fig. 5, Fig. 6, Fig. 7 (Fig. 7 is the stretch-out view of the working face of crushing teeth); in the present embodiment; be inlaid with a plurality of broken stakes 231 on the working face 235 of described crushing teeth, the working face of described crushing teeth refers to the outside surface of crushing teeth (being positioned at the outside surface of granulation wheel).The top of broken stake is hemispherical, and its spherical radius is 10～15mm.That this fragmentation stake has is high temperature resistant, wear-resistant, characteristic such as dry slag not; In shattering process, broken stake directly contacts with controlling golden slag, has slowed down the loss of crushing teeth, has prolonged the work-ing life of crushing teeth.For broken stake surface is protected, prolong the work-ing life of broken stake, on the surface of described broken stake the boride ceramics protective layer is set.Broken stake 231 is pressed arranged on the working face 235 of crushing teeth, as shown in Figure 7; Transverse distance between the described broken stake is 30～50mm, and the fore-and-aft distance between the described broken stake is 30～50mm.Broken stake can be planted on the crushing teeth by engage thread; Also can through hole be set by the working face at crushing teeth, fragmentation stake is installed be fixed in the through hole.In order to adapt to the frequent variations of working temperature, keep rational expansion gap between broken stake and the open holes (threaded hole or through hole).In the present embodiment, the setting of boride ceramics protective layer is to adopt special process to generate, and is a kind of boride-nitride complex-phase ceramic, and sintering temperature is 1700 ℃, and the surface need polish smooth, and realizes effect high temperature resistant, that do not adhere to slag.
Referring to Fig. 3, Fig. 4, the granulation wheel is installed in the pelletizer housing, and in the present embodiment, tubular shaft 21 left parts of granulation wheel are equipped with a left half axle, and the tubular shaft right part is equipped with a right axle shaft, and left half axle and right axle shaft rotate by bearing and bracing frame respectively and install.One end of the right axle shaft of tubular shaft right part is fixedlyed connected with the output terminal of drive-motor.The granulation wheel is clockwise high speed rotary motion under the driving of drive-motor, and the rotating speed of granulation wheel is 100～300 rev/mins.The metallurgical cinder that the granulation wheel will fall thereon impacts fragmentation by crushing teeth 23; the slag temperature that arrives the granulation wheel can reach 1260 °; therefore need timely the granulation wheel to be cooled off; particularly crushing teeth is cooled off; the annular endplate outside at granulation wheel two ends respectively is provided with a high-pressure sprayer; horizontal-jet water coolant from outside to inside, the temperature of water coolant remains on 40 ℃～80 ℃.Cooling-water flowing sprays from the space of 212 of the support disc at granulation wheel two ends and enters the granulation wheel; and be directly injected on the guiding cone 22 of rotation; the sputter conical surface 221 of guiding cone with cooling-water flowing to around sputter, and the cooling water droplet of sputter is assigned to uniformly the internal surface of each crushing teeth 23 by splitter vane 222 radially.In order to guarantee the motion of granulation wheel steadily, described annular endplate is provided with a plurality of water vents, and present embodiment is provided with eight water vents 213 along circumference, and described water vent is manhole, the inner unnecessary water coolant of granulation wheel can be discharged from two ends by water vent.
Referring to Fig. 4, in the present embodiment, in order to reach better sputter effect, the sputter conical surface 221 of guiding cone 22 can be designed to the scattering pitted skin, a plurality of hemispherical particles 223 namely evenly distribute on the sputter conical surface of described guiding cone, shown in Fig. 4 upper part, described hemispherical particle distributes by 10 orders.This hemispherical particle can be fixed on the guiding cone surface by welding process, and the radius of hemispherical particle is 2～3cm.Hemispherical particle on this sputter conical surface can be dispersed into water droplet with the cooling-water flowing that sprays on it, outwards splashes uniformly; And led on the internal surface of each crushing teeth 23 by the water droplet that splitter vane 222 radially will form scattering.
In the present embodiment, described scattering pitted skin can also be realized by following manner, a plurality of hemispherical pits 224 that namely on the sputter conical surface of described guiding cone, evenly distribute, and shown in Fig. 4 lower part, described hemispherical pit distributes by 10 orders.This hemispherical pit can process by shot-blast process, and the radius of hemispherical pit is 2～3cm.
In the present embodiment, the working face of described crushing teeth is provided with a plurality of broken stakes, and the working face of described crushing teeth is provided with a plurality of water-guiding holes; On the surface of described broken stake the boride ceramics protective layer is set.Referring to Fig. 6, Fig. 7 (Fig. 7 is the stretch-out view of crushing teeth working face), directly contact with the slag of high-temperature owing to broken 231 on the crushing teeth working face 235, single-pass is crossed crushing teeth internal surface sputter water coolant is cooled off, and its outside surface can only be by thermal conduction, the poor effect of cooling.In the present embodiment, for working face and the broken stake to crushing teeth more timely directly cooled off, working face at crushing teeth is provided with a plurality of water-guiding holes 234, described water-guiding hole is arranged between two broken stakes 231, described water-guiding hole is the manhole that leads to the crushing teeth outside surface from the crushing teeth internal surface, and the diameter of water-guiding hole is 2～10mm.The granulation wheel under the action of the centrifugal, by the diameter of control water-guiding hole, makes the water coolant of crushing teeth internal surface flow to the crushing teeth outside surface in the mode of soaking in the process of high-speed rotation, and forming thickness at the crushing teeth outside surface is the moisture film of 0.1-0.5mm.The evaporation of moisture film can be taken away the heat of moisture film coverage rate, effectively reduces the working face of crushing teeth and the temperature of broken stake, has prolonged the work-ing life of crushing teeth, thereby has saved material, reduces production costs.
Claims (7)
1. a pot type metallurgical cinder treatment unit comprises granulation tank body, pelletizer, and it is characterized in that: the middle part of described granulation tank body is provided with opening for feed, and the delivery port of described pelletizer is communicated with described opening for feed; The relative side with opening for feed in the bottom of described granulation tank body is provided with slag notch, and the top of described granulation tank body is provided with gas shaft; The position corresponding with opening for feed, the inside of described granulation tank body arranges multistage suspension type skimming plate, the adjusting flashboard is set on the described slag notch, described adjusting flashboard is by fixedly flashboard and movable flashboard are formed, on the granulation tank body of described adjusting flashboard inboard the grid filtration device is set, on the granulation tank body of described slag notch top an overflow port is set; Described slag notch, described overflow port are taken over a water trap and are communicated with; The middle part of described granulation tank body is provided with inspection platform, and slag input ditch head is equipped with at the place, input aperture of described pelletizer.
2. pot type metallurgical cinder treatment unit according to claim 1, be provided with the granulation wheel in the described pelletizer, the center of described granulation wheel is provided with a tubular shaft, the two ends of described granulation wheel are provided with two annular endplates, be provided with a plurality of support disc between described annular endplate and the described tubular shaft, it is characterized in that: described tubular shaft middle part arranges a guiding cone, and described guiding cone comprises two sputter conical surfaces, and the described sputter conical surface is provided with a plurality of radially splitter vanes; Between described two annular endplates a plurality of crushing teeths are housed, described crushing teeth is dismountable straight-tooth, and the upstream face of described crushing teeth is provided with a plurality of board slots in water.
3. pot type metallurgical cinder treatment unit according to claim 2, it is characterized in that: the sputter conical surface of described guiding cone is the scattering pitted skin.
4. according to claim 2 or 3 described pot type metallurgical cinder treatment unit, it is characterized in that: the working face of described crushing teeth is provided with a plurality of broken stakes, and the working face of described crushing teeth is provided with a plurality of water-guiding holes.
5. pot type metallurgical cinder treatment unit according to claim 4 is characterized in that: on the surface of described broken stake the boride ceramics protective layer is set.
6. pot type metallurgical cinder treatment unit according to claim 5, it is characterized in that: described annular endplate is provided with a plurality of water vents.
7. pot type metallurgical cinder treatment unit according to claim 6, it is characterized in that: the top of described granulation tank body is provided with spray equipment.
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| CN102827969B (en) * | 2012-09-06 | 2014-08-06 | 西安交通大学 | Afterheat recovery system and method of dry granulating liquid slag |
| CN106621443B (en) * | 2016-11-14 | 2019-02-22 | 森田新能源材料（张家港）有限公司 | The Crystallization Separation device of lithium hexafluoro phosphate |
| CN107460266A (en) * | 2017-09-27 | 2017-12-12 | 北京立化科技有限公司 | A kind of slag dry granulation takes hot systems |
| 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 |
| CN109457072B (en) * | 2019-01-23 | 2020-12-08 | 六安维奥智能科技有限公司 | High-temperature molten slag jet granulation device |
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| CN2388210Y (en) * | 1999-08-25 | 2000-07-19 | 中国冶金建设集团包头钢铁设计研究总院 | Disk dewatering blast furnace slag granulating device |
| CN2448846Y (en) * | 2000-11-10 | 2001-09-19 | 张维田 | Metallurgical slag treatment apparatus |
| CN2748473Y (en) * | 2004-11-23 | 2005-12-28 | 中国冶金建设集团包头钢铁设计研究总院 | Granulator for steel-making slag |
| CN2784422Y (en) * | 2005-03-24 | 2006-05-31 | 张维田 | Slag granulating device for metallurgical furnace |
| CN201520769U (en) * | 2009-08-13 | 2010-07-07 | 北京中冶设备研究设计总院有限公司 | Novel steel slag granulating device |
| CN201538778U (en) * | 2009-09-21 | 2010-08-04 | 中冶东方工程技术有限公司 | Metallurgical molten slag treatment device |
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