CN214717295U - High-efficient water-cooling breaker of rotatory roller of melting slag - Google Patents
High-efficient water-cooling breaker of rotatory roller of melting slag Download PDFInfo
- Publication number
- CN214717295U CN214717295U CN202120678055.3U CN202120678055U CN214717295U CN 214717295 U CN214717295 U CN 214717295U CN 202120678055 U CN202120678055 U CN 202120678055U CN 214717295 U CN214717295 U CN 214717295U
- Authority
- CN
- China
- Prior art keywords
- slag
- water
- bed
- roller
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Abstract
The utility model provides a high-efficient water-cooling breaker of rotatory roller of melting slag, the airtight cover top of the broken bed of water-cooling is equipped with the sediment machine of falling, and the slag pouring port has been seted up to airtight cover, and the water shower nozzle sets firmly in airtight cover top below, and airtight circle rotatable locate water-cooling broken bed outside a week between airtight cover and the end bed, and the rotatory roller is rotatable to be run through and to be located airtight circle between airtight cover and the end bed, and the end bed has seted up and has unloaded the sediment mouth, unload the sediment mouth and link up the opening along radial extension on the end bed, it has seted up a plurality ofly and selectivity to open and shut and unload to unload the sediment mouth, the sediment mouth falls the projection area of sediment mouth and unloads sediment mouth and be 30-90 at end bed projection geometric center's contained angle, and the projection area of sediment mouth is not more than and unloads sediment mouth opening area, and the broken bed of water-cooling is rotatable establishing in the track top through outside support running gear. The utility model has the advantages of high automation degree, good production continuity, high treatment efficiency, small space occupation, good tightness, low system investment and ultra-clean emission.
Description
Technical Field
The utility model relates to a melting slag handles technical field, particularly, relates to a high-efficient water-cooling breaker of melting slag rotating roll.
Background
The annual steel yield of China in 2019 is 9.8 hundred million tons, about 120-140 kg of steel slag is generated per ton of steel, and the annual steel slag yield exceeds 1.2 million tons. The steel slag contains two types of resources, namely iron metal resources and inorganic materials such as calcium silicate, and has the material property of resource utilization. For a long time, iron ores in China mainly depend on imports, and resources are very short. The steel slag in China is expected to recover nearly 2000 ten thousand tons of iron resources, and inorganic materials can reach more than 8000 ten thousand tons, so that the method has great significance in resource recovery value.
The high-efficiency recovery of metal iron and inorganic material resources in the steel slag is to perform crushing separation firstly and then realize the separation of the two materials by adopting magnetic separation and other modes, thereby obtaining targeted resource utilization. The steel slag pretreatment process is a precondition for steel slag crushing and magnetic separation treatment, and realizes more efficient crushing, screening and magnetic separation of the steel slag through pretreatment under a high temperature condition.
The prior steel slag pretreatment process comprises production processes such as a hot stuffy method, a hot splashing method, a roller method, a wind quenching method and the like, wherein the hot splashing method has the problems of backward production mode, simple and extensive treatment process, serious environmental pollution, low metal resource recovery rate and the like, and is required to be eliminated as soon as possible; the roller method is only suitable for liquid steel slag with good fluidity, the treatment rate of the steel slag is less than 50%, the equipment operation cost is high, the failure is high, and the roller method is only used for a few steel enterprises in a steel system at present; the air quenching method adopts large air volume to blow off and cool the liquid steel slag into fine particles, is only suitable for treating the liquid steel slag, has low recovery rate of steel metal iron resources, and only one set of air quenching equipment is provided for domestic horse steel.
The hot disintegrating method process is the most common process for treating and applying the steel slag at present, and has a series of advantages of wide adaptability, good steel slag pulverization effect after hot disintegrating, being beneficial to separating iron and slag, high recovery rate of metallic iron, qualified stability of tailings and the like. The hot-sealing method is divided into two processes of tank-type hot sealing and pressure hot sealing. The tank type hot stuffiness method adopts a process method of engineering mechanized operation, namely, an excavator is used for slagging off and crushing the high-temperature steel slag poured into the hot stuffiness tank. The operation processes of tank type hot stuffiness deslagging, slag skimming and slag discharging do not have a dust removal device, and the equipment level and the environmental emission need to be further improved. The high-temperature steel slag is crushed by a mechanical rolling crusher in a pressing and hot-disintegrating mode, so that the equipment automation of the crushing process is realized, the smoke dust is discharged in a organized manner in the treatment process, the equipment occupies large space, and the investment is high. In addition, the two hot-closed modes are both used for processing the steel slag as the raw material according to the batch mode due to the equipment process limitation, and the continuous production operation of crushing the steel slag cannot be realized.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high-efficient water-cooling breaker of rotatory roller of melting slag has to equip automatic level height, and the production continuity is strong, and the operating efficiency is high, and the space takes up an area of for a short time, and the seal is strong, and system investment is low, and operation cost is low advantage, has to press hot smolder to provide better pre-crushing process technology equipment for the slag, has realized the upgrading of slag treatment process technology equipment.
The utility model provides a high-efficient water-cooling breaker of rotatory roller of melting slag, including hot slag ladle, driving, water-cooling broken bed, rotatory roller, track, cold slag ladle, connect the sediment car, support running gear, water-cooling broken bed is including falling sediment machine, airtight cover, falling slag hole, water shower nozzle, sealed circle, end bed, unloading mouth, airtight cover top is equipped with the sediment machine of falling, and the slag hole has been seted up to airtight cover, and the water shower nozzle sets firmly in airtight cover top below, and airtight circle rotatable locate water-cooling broken bed outside a week between airtight cover and end bed, and the rotatory roller is rotatable to be run through and to be located between airtight cover and the end bed in the sealed circle, and the end bed has been seted up and has been unloaded the mouth, unload the mouth and link up the opening along radial extension on the end bed, unload the mouth and seted up a plurality of contained angles and selectively open and shut and unload, the mouth is 30-90 at end bed projection geometry central point, the projected area of the slag pouring port is not more than the opening area of the slag discharging port, and the water-cooling crushing bed is rotatably arranged above the track through an external support travelling mechanism.
Furthermore, the distance between the projection position of the geometric center point of the slag pouring hole on the bottom bed and the geometric center of the bottom bed is not more than 1/2 radius length, the extension length of the slag discharging hole is not less than 4/5 radius length of the bottom bed, the diameters of the tank opening and the slag pouring hole are 3-8m, and the diameter of the bottom bed is 5-24 m.
Further, the broken bed of water-cooling still includes slag pouring cover, the jar mouth that falls, goes up the basin, slag blanket, bed course, swift current sediment groove, the slag pouring cover sets firmly in airtight cover top, and the jar mouth that falls has seted up at slag pouring cover top, slag pouring cover with fall the jar mouth in the driving below, the sediment machine falls between jar mouth and the slag pouring mouth in the slag pouring cover, the slag pouring mouth is in the slag pouring cover, rotatory roller below is equipped with slag blanket, bed course, end bed, swift current sediment groove in proper order, goes up the basin between airtight cover and airtight circle, the basin is between airtight circle and end bed.
Further, the slag pouring port is an opening which can be opened and closed and penetrates through the closed cover, the slag pouring port is circular or square, the slag discharging port is rectangular, 3 slag discharging ports are formed in the slag discharging port, the 3 slag discharging ports are uniformly distributed on the bottom bed along the circumferential direction, the number of the rotating rollers is the same as that of the slag discharging ports, and the included angle between the slag pouring port and the slag discharging ports at the projection geometric central point of the bottom bed is 60 degrees.
Furthermore, the rotating roller comprises a roller shaft, roller teeth, a rotation motor, a gear ring, a turnover motor, a roller wheel and a center shaft, wherein the roller teeth are fixedly arranged on the roller shaft, the rotation motor is in driving connection with the roller shaft, the gear ring is meshed and connected with the turnover motor at the outer side of the roller shaft, the center shaft is arranged in the center of the water-cooling crushing bed, the roller shaft is rotatably connected with the top of the center shaft in a penetrating manner, the bottom of the center shaft is fixedly connected with a bottom bed, and the roller wheel is arranged between the outer end of the rotating roller and a track.
Further, in the broken bed of water-cooling was located to the swivelling roller pivoted, rotation motor drive swivelling roller was rotatory along the broken bed radial line direction of water-cooling, and it is rotatory along the contour direction to support running gear drive swivelling roller, and the rotatory high temperature sediment that promotes of swivelling roller radial line direction removes breakage to the periphery from the center of the broken bed of water-cooling, and the swivelling roller contour direction is rotatory to promote high temperature sediment to remove breakage from the entry of the broken bed of water-cooling to the export along the contour, and the swivelling roller turns to along the broken bed radial line direction of water-cooling and is tangent with the swivelling roller along the broken bed circumferential line direction of water-cooling reversal.
Furthermore, the rotating roller is provided with 2-4 roller shafts, the roller shafts are uniformly distributed in the water-cooling crushing bed, the roller teeth are uniformly distributed on the roller shafts, 2-6 roller teeth are arranged in the same radial direction of the roller shafts, the diameter of each roller shaft is not less than 400mm, the width of each roller tooth is not less than 50mm, and the length of each roller tooth is not less than 500 mm.
Further, high-efficient water-cooling breaker of rotatory roller of melting slag still includes tuber pipe, spray column, dehydrator, wet-type electrostatic precipitator, fan, and broken bed, spray column, dehydrator, wet-type electrostatic precipitator, fan of water-cooling are connected through the tuber pipe, the correspondence of water sprinkler income water end is equipped with the water flowmeter, and water supply well leads to pipe connection feed valve, water flowmeter, water supplementing valve and water sprinkler, and the water pipe is steel construction pressure pipeline, and operating pressure is not less than 0.6MPa, and the diameter is 3 ~ 15mm, and the tuber pipe diameter is not less than 1000mm, and the fan is drawn forth to the fan, and the wind pressure is not less than 3000Pa, and the amount of wind is 8-30 ten thousand cubes.
The utility model discloses a sediment machine, the broken bed of water-cooling down, rotatory roller equips as the broken core of the high-efficient cooling of melting slag, and the broken bed of water-cooling adopts facilities such as airtight cover, airtight circle, sediment cover to realize that the system equips totally airtight, and system's seal nature is good to organize for the flue gas and discharges and provide the advantage. The rotating roller is adopted as novel steel slag crushing equipment to efficiently crush steel slag around the water-cooling crushing bed, the rotating roller is internally provided with a plurality of crushing rollers, the steel slag can be fully stirred and crushed under the dual actions of rotation and turnover of the rotating roller, and the steel slag crushing efficiency is improved and is remarkable.
The utility model discloses a prevent to empty the high temperature sediment excessive, lead to the unable abundant rotatory broken high temperature sediment of rotatory roller, set up the projected area who falls the cinder notch and be not more than unload cinder notch open area, and/or set up and unload the cinder notch and open and establish to a plurality ofly, the sediment volume of falling of sediment machine of simultaneous control to guarantee that the volume of waiting in the broken bed of water-cooling matches with the percentage of damage of rotatory roller, thereby realize the abundant breakage of high temperature sediment in the broken bed of water-cooling.
The utility model realizes the high-efficiency cooling and crushing treatment of the molten steel slag, and the steel slag is crushed<The proportion of the 50mm steel slag is up to more than 70 percent, and the pulverization rate of the steel slag is obviously improved; the process is matched with a spray tower, a dehydrator and an electric precipitator dust removal device, and the smoke dust emission concentration is lower than 10mg/m3. The utility model has the advantages of degree of automation is high, and the production continuity is good, possesses the treatment effeciency height, and the space is taken up an area of for a short time, and the seal is good, and the system investment is low, and the ultra-clean emission has increased substantially the level of equipping of slag crushing treatment, has changed intermittent type production mode in the past, has improved slag treatment efficiency, will effectively reduce slag investment and production operation cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the high-efficiency water-cooling crushing device for a molten steel slag rotating roller according to the present invention;
fig. 2 is a schematic plan view of the high-efficiency water-cooling crushing device for the molten steel slag rotating roller provided by the utility model.
Description of reference numerals:
1-a hot slag tank, 2-a traveling crane, 3-a slag pouring hood, 4-a tank opening, 5-a slag pouring machine, 6-a closed hood, 7-a slag pouring opening, 8-high-temperature slag, 9-a water-cooled crushing bed, 10-a rotating roller, 11-a roller shaft, 12-a roller tooth, 13-a water spray head, 14-a closed ring, 15-a slag layer, 16-a cushion layer, 17-a bottom bed, 18-a gear ring, 19-a revolving motor, 20-a roller, 21-a track, 22-a middle shaft, 23-a self-rotating motor, 24-an upper water tank, 25-a lower water tank, 26-a slag discharging opening, 27-a slag sliding tank, 28-a cold slag tank, 29-a slag receiving vehicle, 30-an air pipe, 31-a spray tower, 32-a dehydrator and 33-a wet electric dust remover, 34-a fan.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to the attached drawings 1-2, the utility model provides a high-efficiency water-cooling crushing device for a molten steel slag rotating roller, which comprises a hot slag tank 1, a travelling crane 2, a water-cooling crushing bed 9, a rotating roller 10, a rail 21, a cold slag tank 28, a slag receiving vehicle 29 and a supporting and traveling mechanism, wherein the water-cooling crushing bed 9 comprises a slag pouring machine 5, a closed cover 6, a slag pouring port 7, a water nozzle 13, a closed ring 14, a bottom bed 17 and a slag discharging port 26, the slag pouring machine 5 is arranged above the top of the closed cover 6, the closed cover 6 is provided with the slag pouring port 7, the water nozzle 13 is fixedly arranged below the top of the closed cover, the closed ring 14 is rotatably arranged between the closed cover 6 and the bottom bed 17 for a circle, the rotating roller 10 is rotatably arranged between the closed cover 6 and the bottom bed 17 in the closed ring 14 in a penetrating manner, the bottom bed 17 is provided with the slag discharging port 26, the slag discharging port 26 extends on the bottom bed 17 in a penetrating manner along the radial direction, the slag discharging ports 26 are provided with a plurality of selectively opened and closed discharging ports, the included angle between the slag pouring port 7 and the slag discharging port 26 at the projection geometric central point of the bottom bed 17 is 30-90 degrees, the projection area of the slag pouring port 7 is not more than the opening area of the slag discharging port 26, and the water-cooling crushing bed 9 is rotatably arranged above the track 21 through an external support traveling mechanism.
The hot slag tank 1 is used for containing the high-temperature slag 8, the temperature of the high-temperature slag 8 is 5000-5 ℃, the wall thickness of the slag tank 1 of the hot slag tank is not less than 80mm, the internal volume of the hot slag tank 1 is not less than 4m3, and the once-loaded high-temperature slag 8 is not less than 10 t.
The water-cooling crushing bed 9 is of a round fully-closed structure, the main body is made of steel structural materials, the inner diameter of the main body is 5-24m, the tank opening 4 and the slag pouring opening 7 are round openings, a steel structure openable double-leaf door structure is adopted, and the diameters of the tank opening 4 and the slag pouring opening 7 are 3-8 m.
The distance between the projection position of the geometric center point of the slag pouring port 7 on the bottom bed 17 and the geometric center of the bottom bed 17 is not more than 1/2 radius length, the extension length of the slag discharging port 26 is not less than the bottom bed 174/5 radius length, the diameters of the tank opening 4 and the slag pouring port 7 are 3-8m, and the diameter of the bottom bed 17 is 5-24 m. The slag pouring machine 5 adopts the fixed position to automatically pour the high-temperature slag 8 out of the hot slag pot 1, and the maximum tilting angle of the slag pouring machine 5 is not lower than 150 degrees.
The water-cooling crushing bed 9 further comprises a slag pouring cover 3, a slag falling opening 4, an upper water tank 24, a lower water tank 25, a slag layer 15, a cushion layer 16 and a slag sliding groove 27, wherein the slag pouring cover 3 is fixedly arranged above the top of the closed cover 6, the slag falling opening 4 is formed in the top of the slag pouring cover 3, the slag pouring cover 3 and the slag falling opening 4 are arranged below the travelling crane 2, a slag pouring machine 5 is arranged between the slag falling opening 4 and the slag falling opening 7 in the slag pouring cover 3, the slag falling opening 7 is arranged in the slag pouring cover 3, the slag layer 15, the cushion layer 16, a bottom bed 17 and the slag sliding groove 27 are sequentially arranged below the rotating roller 10, the upper water tank 24 is arranged between the closed cover 6 and the closed ring 14, and the lower water tank 25 is arranged between the closed ring 14 and the bottom bed 17.
The slag pouring port 7 is an opening which can be opened and closed and penetrates through the closed cover 6, the slag pouring port 7 is circular or square, the slag discharging port 26 is rectangular, 3 slag discharging ports 26 are formed, the 3 slag discharging ports 26 are uniformly distributed on the bottom bed 17 along the circumferential direction, the number of the rotating rollers 10 is the same as that of the slag discharging ports 26, and the included angle between the slag pouring port 7 and the projection geometric center point of the slag discharging ports 26 on the bottom bed 17 is 60 degrees.
The deslagging cover 3, the sealing cover 6 and the sealing ring 14 are made of steel structure materials, and the thickness of a steel structure wall plate is not less than 3 mm. The sealing ring 14 forms a seal around the outer side of the water-cooling crushing bed 9; the sealing ring 14 is connected to the rotating roller 10 and moves with the rotating roller 10 along the rail 21 in a revolving manner.
The rotating roller 10 comprises a roller shaft 11, roller teeth 12, a rotation motor 23, a gear ring 18, a turnover motor 19, a roller wheel 20 and a middle shaft 22, wherein the roller teeth 12 are fixedly arranged on the roller shaft 11, the rotation motor 23 is in driving connection with the roller shaft 11, the gear ring 18 is meshed with the turnover motor 19 on the outer side of the roller shaft 11, the middle shaft 22 is arranged in the center of the water-cooling crushing bed 9, the roller shaft 11 is in rotatable connection with the top of the middle shaft 22 in a penetrating mode, the bottom of the middle shaft 22 is fixedly connected with a bottom bed 17, and the roller wheel 20 is arranged between the outer end of the rotating roller 10 and a track 21.
The roll shaft 11 of the rotating roll 10 is driven by the rotation motor 23 to rotate, and the roll teeth 12 are driven to rotate around the roll shaft 10; when the rotation motor 23 rotates in the positive direction, the roll shaft 11 and the roll teeth 12 rotate in the positive direction, otherwise, when the rotation motor 23 is adjusted to rotate in the reverse direction, the roll shaft 11 and the roll teeth 12 rotate in the reverse direction.
The rotating roller 10 is provided with 2-4 roller shafts 11, the roller shafts 11 are uniformly distributed in the water-cooling crushing bed 9, the roller teeth 12 are uniformly distributed on the roller shafts 11, 2-6 roller teeth 12 are arranged in the same radial direction of the roller shafts 11, the diameter of each roller shaft 11 is not less than 400mm, the width of each roller tooth 12 is not less than 50mm, and the length of each roller tooth is not less than 500 mm.
The outer gear ring 18 is connected to the outer side of the rotating roller 10 for a circle, and the track 21 is arranged on the outer side of the water-cooling crushing bed 9 and below the roller wheel 20 of the rotating roller 10 for a circle. The outer gear ring 18 drives the rotating roller 10 and the roller wheel 20 to rotate around the outer track 21 of the water-cooling crushing bed 9 under the driving of the rotating motor 19; when the turnover motor 19 rotates in the positive direction, the rotary roller 10 and the roller 20 are driven to rotate along the positive direction of the track 21, otherwise, when the turnover motor 19 rotates in the reverse direction, the rotary roller 10 and the roller 20 rotate along the reverse direction of the track 21.
High-efficient water-cooling breaker of rotatory roller of melting slag still includes tuber pipe 30, spray column 31, dehydrator 32, wet-type electrostatic precipitator 33, fan 34, and broken bed 9 of water-cooling, spray column 31, dehydrator 32, wet-type electrostatic precipitator 33, fan 34 are connected through tuber pipe 30, water shower 13 income water end correspondence is equipped with the water flowmeter, and the water supply well leads to pipe connection feed valve, water flowmeter, water supply valve and water shower 13, and the water pipe is steel construction pressure pipeline, and operating pressure is not less than 0.6MPa, and the diameter is 3 ~ 15mm, and tuber pipe 30 diameter is not less than 1000mm, and fan 34 is for drawing forth the fan, and the wind pressure is not less than 3000Pa, and the amount of wind is 8-30 ten thousand cubes.
The bottom bed 17 is of a steel or concrete structure. 2-6 slag discharging openings 26 are arranged below the bottom bed 17, the slag discharging openings 26 are uniformly distributed on the sector of the bottom bed 17, slag chutes 27 are arranged right below the slag discharging openings 26, the slag chutes 27 are made of steel structure materials, and the thickness of a steel plate is not less than 5 mm. The slag discharging port 26 is a rectangular steel door plate which can be opened and closed, an opening is formed in the bottom bed 17 from the central shaft 22 to the closed ring 14 along the radial direction, the length is not less than 2500mm, and the width is not less than 1000 mm.
The thickness of the slag layer 15 is 100-600mm, the thickness of the cushion layer 16 is 100-300mm, and the cushion layer 16 adopts normal-temperature steel slag as a raw material. The upper water tank 24 and the lower water tank 25 are made of steel structure materials, and the thickness of a steel plate is not less than 6 mm; the width of the upper water tank 24 and the lower water tank 25 is not less than 50mm, and the depth is not less than 50 mm.
The middle shaft 22 is of a steel structure cylindrical structure, a circular hole is formed in the middle shaft 24, and the inner diameter of the circular hole is not less than 800 mm. The air pipe 30 is made of steel structure materials, the thickness of the pipe wall is not less than 3mm, and the diameter of the air pipe 30 is not less than 1000 mm. The fan 34 is a leading-out fan, the air pressure is not lower than 3000Pa, and the air volume is 8-30 ten thousand cubic meters.
The method for crushing the molten steel slag by adopting the high-efficiency water-cooling crushing device for the molten steel slag rotating roller comprises the following steps:
s1, lifting a hot slag tank 1 filled with high-temperature slag 8 by using a travelling crane 2, opening a tank dropping opening 4, and lifting and placing the hot slag tank 1 on a slag pouring machine 5; closing the tank dropping port 4, opening the slag pouring port 7, tipping the slag pouring machine 5 at a certain speed, pouring high-temperature slag 8 into the water-cooled crushing bed 9 through the slag pouring port 7, and dropping the high-temperature slag 8 on the upper part of the cushion layer 16 on the bottom bed 17 to form a slag layer 15;
s2, after the hot slag tank 1 pours the high-temperature slag 8, the slag pouring machine 5 rotates at a certain speed to reset the hot slag tank 1, meanwhile, the slag pouring opening 7 is closed, the tank dropping opening 4 is opened, the reset hot slag tank 1 is lifted out by the travelling crane 2, and then the tank dropping opening 4 is closed;
s3, during deslagging, the rotating roller 10 is driven by an autorotation motor 23 and a turnover motor 19 to realize autorotation and turnover, the steel slag processing speed can be increased by increasing the autorotation speed and the turnover speed of the rotating roller 10, otherwise, the steel slag processing speed is reduced, the high-temperature slag 8 is stirred by the roller teeth 12 under the autorotation action of the rotating roller 10, slag layers 15 formed by the high-temperature slag 8 are scraped and crushed, and are pushed to move under the turnover action of the rotating roller 10, the autorotation speed of the rotating roller 10 is 3-30 revolutions per minute, and the turnover speed is 2-20 revolutions per hour;
s4, when the slag layer 15 is crushed by the rotating roller 10, the water spray nozzles 13 start to spray water for cooling the high-temperature slag layer 15 according to a certain amount of cooling water until the slag layer 15 is cooled to a certain temperature, the water spray amount of the water spray nozzles 13 is changed to adjust the cooling treatment time and the slag discharging temperature of the high-temperature slag 8, the treatment time and the slag discharging temperature can be reduced by increasing the water spray amount, otherwise, the treatment time and the slag discharging temperature are increased, the cooling water spraying amount of each ton of high-temperature slag 8 is 50-400kg, and the water supply pressure of the water spray nozzles 13 is not lower than 0.4 MPa;
s5, after cooling and crushing the high-temperature slag 8 in the steps S1-S4, pushing the high-temperature slag to a slag discharge port 26 through a rotating roller 10, discharging the slag through a slag chute 27, and allowing the slag to fall into a cold slag tank 28, and then transporting the slag through a slag receiving vehicle 29 for subsequent steel slag hot-sealing treatment, wherein the mass proportion of the steel slag with the particle size of less than 200mm after cooling and crushing the high-temperature slag 8 is not less than 80%; the temperature regulation range of the treated steel slag is 100-1000 ℃;
s6, a large amount of flue gas is generated in the cooling and crushing process of the high-temperature slag 8, the flue gas is discharged after being sequentially treated by the air pipe 30, the spray tower 31, the dehydrator 32 and the wet electric dust collector 33 under the action of the attraction of the fan 34, the concentration of the smoke dust in the closed cover 6 is over 2000mg/m3, the concentration of the smoke dust after being treated by the spray tower 31 and the dehydrator 32 is not more than 100mg/m3, and the concentration of the discharged smoke dust after being treated by the wet electric dust collector 33 is not more than 10mg/m 3.
In the step S5, the high-temperature slag 8 can be cooled, crushed and discharged after being rotated for one circle by the rotating roller 10, and only one slag discharging port 26 is in an open discharging state; or when the large slag steel is attached to the high-temperature slag 8, if the large slag steel cannot be effectively crushed to influence the smooth production, the rest of the slag discharging openings 26 are temporarily opened nearby, and the large slag steel is pushed into the slag discharging openings 26 by the rotating rollers 10 to be discharged. The single hot slag pot 1 adopts a slag pouring machine 5 to pour slag for 1-5 minutes, and the single high-temperature slag pot 8 is cooled and crushed for 5-30 minutes.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a high-efficient water-cooling breaker of rotatory roller of melting slag, includes hot slag ladle (1), driving (2), water-cooling broken bed (9), rotatory roller (10), track (21), cold slag ladle (28), connects sediment car (29), supports running gear, its characterized in that: the water-cooling crushing bed (9) comprises a slag pouring machine (5), a closed cover (6), a slag pouring port (7), a water nozzle (13), a closed ring (14), a bottom bed (17) and a slag discharging port (26), wherein the slag pouring machine (5) is arranged above the top of the closed cover (6), the slag pouring port (7) is formed in the closed cover (6), the water nozzle (13) is fixedly arranged below the top of the closed cover, the closed ring (14) is rotatably arranged between the closed cover (6) and the bottom bed (17) at one circle outside of the water-cooling crushing bed (9), a rotating roller (10) is rotatably arranged in the closed ring (14) between the closed cover (6) and the bottom bed (17) in a penetrating manner, the bottom bed (17) is provided with the slag discharging port (26), the slag discharging port (26) radially extends to penetrate through an opening on the bottom bed (17), the slag discharging port (26) is provided with a plurality of slag pouring ports (7) and selectively opened and closed for discharging, the slag pouring port (26) and the slag discharging port (17) form an included angle of 30-90 degrees with the projected geometric central point of the bottom bed (17), the projected area of the slag pouring port (7) is not more than the opening area of the slag discharging port (26), and the water-cooled crushing bed (9) is rotatably arranged above the track (21) through an external support travelling mechanism.
2. The high-efficiency water-cooling crushing device for the molten steel slag rotating roller as claimed in claim 1, wherein the distance between the projection position of the geometric center point of the slag pouring port (7) on the bottom bed (17) and the geometric center of the bottom bed (17) is not more than 1/2 radius length of the bottom bed (17), the extension length of the slag discharging port (26) is not less than 4/5 radius length of the bottom bed (17), the diameters of the tank dropping port (4) and the slag pouring port (7) are 3-8m, and the diameter of the bottom bed (17) is 5-24 m.
3. The high-efficiency water-cooling crushing device for the rotating roller of the molten steel slag according to claim 1, characterized in that the water-cooling crushing bed (9) further comprises a slag pouring cover (3), a slag falling opening (4), an upper water tank (24), a lower water tank (25), a slag layer (15), a cushion layer (16) and a slag chute (27), wherein the slag pouring cover (3) is fixedly arranged above the top of the closed cover (6), the top of the slag pouring cover (3) is provided with the slag falling opening (4), the slag pouring cover (3) and the slag falling opening (4) are arranged below the travelling crane (2), a slag pouring machine (5) is arranged between the slag falling opening (4) and the slag falling opening (7) in the slag pouring cover (3), the slag pouring opening (7) is arranged in the slag pouring cover (3), the slag chute (27) is sequentially arranged below the rotating roller (10), the upper water tank (24) is arranged between the closed cover (6) and the closed ring (14), the water drainage tank (25) is arranged between the closed ring (14) and the bottom bed (17).
4. The molten steel slag rotary roller efficient water-cooling crushing device as claimed in claim 3, wherein the slag pouring port (7) is an openable opening penetrating the closed cover (6), the slag pouring port (7) is circular or square, the slag discharging port (26) is rectangular, 3 slag discharging ports (26) are formed, the 3 slag discharging ports (26) are circumferentially and uniformly distributed on the bottom bed (17), the rotary rollers (10) and the slag discharging ports (26) are equal in number, and an included angle between the slag pouring port (7) and the slag discharging port (26) at a projection geometric central point of the bottom bed (17) is 60 degrees.
5. The efficient water-cooling crushing device for the molten steel slag rotating roller according to claim 1 is characterized in that the rotating roller (10) comprises a roller shaft (11), roller teeth (12), a rotation motor (23), a gear ring (18), a turnover motor (19), rollers (20) and a center shaft (22), the roller teeth (12) are fixedly arranged on the roller shaft (11), the rotation motor (23) is in driving connection with the roller shaft (11), the gear ring (18) is meshed and connected with the turnover motor (19) on the outer side of the roller shaft (11), the center shaft (22) is arranged in the center of the water-cooling crushing bed (9), the roller shaft (11) is in penetrating rotatable connection with the top of the center shaft (22), the bottom of the center shaft (22) is fixedly connected with a bottom bed (17), and the rollers (20) are arranged between the outer end of the rotating roller (10) and a track (21).
6. The efficient water-cooling crushing device for the molten steel slag rotating roller according to claim 5, wherein the rotating roller (10) is rotatably arranged in the water-cooling crushing bed (9), the rotation motor (23) drives the rotating roller (10) to rotate along the radial line direction of the water-cooling crushing bed (9), the supporting and traveling mechanism drives the rotating roller (10) to rotate along the circumferential line direction, the radial line direction of the rotating roller (10) rotationally pushes the high-temperature slag (8) to move and crush from the center to the outer periphery of the water-cooling crushing bed (9), the circumferential line direction of the rotating roller (10) rotationally pushes the high-temperature slag (8) to move and crush from the inlet to the outlet of the water-cooling crushing bed (9) along the circumferential line direction, and the rotating roller (10) rotates along the radial line direction of the water-cooling crushing bed (9) and is reversely tangent to the rotating roller (10) along the circumferential line direction of the water-cooling crushing bed (9).
7. The molten steel slag high-efficiency water-cooling crushing device of the rotary roller of claim 5 is characterized in that the rotary roller (10) is provided with 2-4 roller shafts (11), each roller shaft (11) is uniformly distributed in the water-cooling crushing bed (9), the roller teeth (12) are uniformly distributed on the roller shafts (11), 2-6 roller teeth (12) are arranged in the same radial direction of the roller shafts (11), the diameter of each roller shaft (11) is not less than 400mm, the width of each roller tooth (12) is not less than 50mm, and the length of each roller tooth is not less than 500 mm.
8. The high-efficiency water-cooling crushing device for the molten steel slag rotating roller according to claim 1, characterized in that, the high-efficiency water-cooling crushing device for the molten steel slag rotating roller further comprises an air pipe (30), a spray tower (31), a dehydrator (32), a wet type electric dust collector (33) and a fan (34), wherein the water-cooling crushing bed (9), the spray tower (31), the dehydrator (32), the wet type electric dust collector (33) and the fan (34) are connected through the air pipe (30), the water inlet end of the water spray head (13) is correspondingly provided with a water flow meter, a water supply well is connected with a water supply valve, the water flow meter, a water supply valve and the water spray head (13) through a water pipe, the water pipe is a steel structure pressure pipeline, the working pressure is not lower than 0.6MPa, the diameter is 3-15 mm, the diameter of the air pipe (30) is not lower than 1000mm, the fan (34) is a leading-out fan, the air pressure is not lower than 3000Pa, and the air volume is 8-30 ten thousand cubic meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120678055.3U CN214717295U (en) | 2021-04-02 | 2021-04-02 | High-efficient water-cooling breaker of rotatory roller of melting slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120678055.3U CN214717295U (en) | 2021-04-02 | 2021-04-02 | High-efficient water-cooling breaker of rotatory roller of melting slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214717295U true CN214717295U (en) | 2021-11-16 |
Family
ID=78599801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120678055.3U Active CN214717295U (en) | 2021-04-02 | 2021-04-02 | High-efficient water-cooling breaker of rotatory roller of melting slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214717295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934422A (en) * | 2021-04-02 | 2021-06-11 | 中冶节能环保有限责任公司 | Efficient water-cooling crushing device and method for molten steel slag rotating roller |
-
2021
- 2021-04-02 CN CN202120678055.3U patent/CN214717295U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934422A (en) * | 2021-04-02 | 2021-06-11 | 中冶节能环保有限责任公司 | Efficient water-cooling crushing device and method for molten steel slag rotating roller |
| CN112934422B (en) * | 2021-04-02 | 2023-12-26 | 中冶节能环保有限责任公司 | High-efficiency water-cooling crushing device and method for molten steel slag rotating roller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109112238B (en) | Spiral crushing device and method for molten steel slag | |
| JP5303977B2 (en) | Slag processing method | |
| CN112934422A (en) | Efficient water-cooling crushing device and method for molten steel slag rotating roller | |
| CN111850194A (en) | High-temperature steel slag bottom blowing air cooling crushing waste heat recovery device and method | |
| CN100445398C (en) | Steel slag super fine powder processing technique and system | |
| CN107164588A (en) | Steel slag waste heat is reclaimed and pressurize vexed slag system and technique | |
| WO2012024835A1 (en) | Method and system for disposing high temperature solid state steel slag | |
| CN214717295U (en) | High-efficient water-cooling breaker of rotatory roller of melting slag | |
| CN113061673A (en) | Device and method for recycling crushing waste heat of high-temperature steel slag rotating bed | |
| CN210117386U (en) | Steel slag thermal crushing and waste heat recovery device | |
| JP2009227495A (en) | Method for treating slag | |
| CN112934361B (en) | Molten steel slag disc type air-cooled double-rotating-roller crushing treatment device and method | |
| CN215612141U (en) | Broken waste heat recovery device of high temperature slag disc | |
| CN202555827U (en) | Ferronickel granulation processing apparatus | |
| CN214717005U (en) | Molten steel slag disc type air-cooling double-rotating-roller crushing treatment device | |
| CN207119623U (en) | A kind of Industrial Solid Waste processing equipment | |
| CN104651552A (en) | Inclined upright rotating disc method metallurgical slag treatment device and process method | |
| CN214572066U (en) | Broken waste heat recovery device of high temperature slag revolving bed | |
| CN216947078U (en) | Short-flow thermal state steel slag treatment system | |
| WO2011147883A1 (en) | Method and device for manufacturing vitreous | |
| CN211771396U (en) | Blast furnace granulated slag processing apparatus | |
| CN111351340B (en) | High-temperature liquid cooling device | |
| CN112342326B (en) | High-efficiency treatment system and treatment process for high-temperature steel slag | |
| CN211464806U (en) | Reclaimed copper refining parallel casting system and tundish thereof | |
| CN218014848U (en) | Harmless treatment device for converter steel slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |