CN112062490A - Slag micro powder production line - Google Patents
Slag micro powder production line Download PDFInfo
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- CN112062490A CN112062490A CN202010865260.0A CN202010865260A CN112062490A CN 112062490 A CN112062490 A CN 112062490A CN 202010865260 A CN202010865260 A CN 202010865260A CN 112062490 A CN112062490 A CN 112062490A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
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Abstract
The utility model relates to a slay miropowder production line, relate to the technical field of slay miropowder production, it includes the feeding belt, vertical mill, the hot-air furnace, air feeding system and finished product storehouse, wherein the output of feeding belt and the feed end intercommunication of vertical mill, the output of hot-air furnace and the air inlet end intercommunication of vertical mill, air feeding system includes the conveying pipeline, draught fan and filtration system, filtration system includes the pulse dust remover, the feed end of conveying pipeline and the discharge end intercommunication of vertical mill, the discharge end of conveying pipeline and the inlet end intercommunication of pulse dust remover, the discharge end and the finished product storehouse intercommunication of pulse dust remover, draught fan fixed connection is in the conveying pipeline. This application can prolong the contact time of steam and slay miropowder, increases the area of contact of slay miropowder and steam simultaneously, has improved the efficiency and the effect that slay miropowder was dried, has reduced the water content in the finished product slay miropowder.
Description
Technical Field
The application relates to the field of slag micro powder production, in particular to a slag micro powder production line.
Background
The slag micropowder is a powdery product obtained by ultrafine grinding water-quenched slag discharged from an iron-making blast furnace. The slag micropowder which is subjected to the ultrafine grinding is doped into cement or concrete according to a certain proportion, so that the density of the cement concrete is greatly improved, and meanwhile, calcium hydroxide crystals with lower strength are converted into hydrated calcium silicate gel with higher strength, so that the comprehensive performance of the concrete and cement products can be obviously improved; or the fluorgypsum and the quicklime are mixed into the slag micro powder according to a certain proportion to form cementing powder, and the cementing powder can be used for backfilling mine holes.
At present, announcement day is 26 days 06 months in 2020, chinese utility model patent that announcement number is CN210862256U provides a slay miropowder production line waste heat utilization equipment, and it includes vertical mill, is connected with hot-air furnace on the vertical mill, and the discharge gate of vertical mill passes through pipeline and gas tank pulse dust collector, and gas tank pulse dust collector feed opening is equipped with feeding belt, and the feeding belt output is equipped with material hoist mechanism, and material hoist mechanism's discharge gate setting is in the feed inlet top of finished product tank deck portion. The hot gas furnace is arranged to continuously introduce hot gas into the vertical mill, so that the slag micro powder is dried.
In view of the above-mentioned related technologies, the inventor believes that the fine slag powder is poorly dried, and the fine slag powder in the finished tank still contains a large amount of moisture.
Disclosure of Invention
In order to improve the stoving effect of slay miropowder, this application provides a slay miropowder production line.
The application provides a slay miropowder production line adopts following technical scheme:
the utility model provides a slay miropowder production line, includes feeding belt, vertical mill, hot-air furnace, wind send system and finished product storehouse, wherein feeding belt's output with the feed end intercommunication of vertical mill, hot-air furnace's output with the air inlet end intercommunication of vertical mill, wind send the system to include pipeline feeder, draught fan and filtration system, filtration system includes the pulse dust remover, pipeline feeder's feed end with the discharge end intercommunication of vertical mill, pipeline feeder's discharge end with the inlet end intercommunication of pulse dust remover, the discharge end of pulse dust remover with finished product storehouse intercommunication, draught fan fixed connection be in the pipeline feeder.
By adopting the technical scheme, when the slag micro powder is produced, the hot gas furnace leads hot gas into the vertical mill, then the milled slag micro powder is blown into the feeding pipeline, meanwhile, the slag micro powder is heated, the slag micro powder is in a suspension state after entering the feeding pipeline, the hot gas and the slag micro powder in the feeding pipeline flow towards the pulse dust collector together under the action of the draught fan, the slag micro powder can be contacted with the hot gas in the feeding pipeline for a long time, the drying time of the slag micro powder is prolonged, the hot gas is uniformly contacted with the slag micro powder, and the drying effect of the slag micro powder is improved; slag micropowder separates with steam in pulse dust collector, and steam is discharged from pulse dust collector's air-out end, and slag micropowder discharges and directly falls into in the finished product storehouse from pulse dust collector's discharge end.
Optionally, the air supply system further comprises a return pipe, an input end of the return pipe is communicated with an air outlet end of the pulse dust collector, an output end of the return pipe is communicated with an air inlet end of the hot air furnace, and a water removal device is further arranged in the return pipe.
By adopting the technical scheme, the hot gas flows into the hot gas furnace through the return pipeline after passing through the pulse dust collector, so that the heating time of the hot gas furnace is shortened, meanwhile, the heat in the hot gas can be fully utilized, and the energy is saved; before hot gas flows into the hot gas furnace, the water removal device carries out water removal operation on the hot gas in the return pipe, reduces the water content in the hot gas, and then is convenient for the hot gas to draw the moisture in the slag micro powder in the feeding pipeline.
Optionally, the water removal device is an air compressor, an air inlet end and an air outlet end of the air compressor are both bypassed on the backflow pipeline, and an water outlet end of the air compressor is communicated with the atmosphere.
By adopting the technical scheme, after the hot air flow absorbing the moisture in the slag micro powder flows into the backflow pipeline, the air compressor can absorb the hot air in the backflow pipeline, water in the hot air in the backflow pipeline is separated out after the hot air flow is compressed, and the separated water is discharged into the atmosphere from the water outlet end of the air compressor, so that the water content in the hot air is reduced, and the hot air can absorb the moisture in the slag micro powder when circulating to the feeding pipeline; meanwhile, as the air compressor bypasses the return pipeline, when the water content in the slag micro powder is small, the air compressor can not work, hot gas can still flow into the hot gas furnace through the return pipeline, and the energy is saved.
Optionally, the filtration system further includes a first air filtration membrane, the first air filtration membrane is disposed in the return line, and the first air filtration membrane is disposed between the air compressor and the pulse dust collector.
Through adopting above-mentioned technical scheme, first air filter membrane filters once more to the steam in the backflow pipeline, no longer mingles with the slay miropowder when making steam flow through air compressor department, has reduced air compressor and has been blockked up the probability by the slay miropowder at the during operation.
Optionally, the filtration system further includes a second air filtration membrane, the second air filtration membrane is also disposed in the return line, and the second air filtration membrane is disposed between the air compressor and the hot air furnace.
Through adopting above-mentioned technical scheme, the second air filter membrane protects the return line, and when the air flowed back into the return line in following hot-air furnace, the second air filter membrane can filter the dust in the air, has improved the cleanliness of steam in the return line, and then has reduced air compressor and has blockked up the probability by the dust at the during operation.
Optionally, the return line is provided with a first swan neck and a first inverse swan neck, the first swan neck is arranged between the first air filter membrane and the pulse dust collector, and the first inverse swan neck is arranged between the second air filter membrane and the hot air furnace.
Through adopting above-mentioned technical scheme, through the setting of first day gooseneck and first anti-day gooseneck, the cross-sectional area of return line in first air filtration membrane and second air filtration membrane department has been increased, the velocity of flow when hot gas flows through first air filtration membrane has been reduced, the velocity of flow when air flows through the second air filtration membrane has also been reduced, the sectional area of first air filtration membrane and second air filtration membrane has been increased simultaneously, the circulation efficiency of first air filtration membrane and second air filtration membrane department gas has been improved, and then the probability that first air filtration membrane and second air filtration membrane are blockked up has been reduced, the frequency of changing first air filtration membrane and second air filtration membrane has been reduced.
Optionally, the backflow pipeline comprises a first vertical section and a second vertical section, the first vertical section is arranged at one end, close to the pulse dust collector, of the backflow pipeline, the second vertical section is arranged at one end, close to the hot air furnace, of the backflow pipeline, the first air filter membrane is arranged in the first vertical section, the first gooseneck is arranged below the first air filter membrane, the second air filter membrane is arranged in the second vertical section, and the first reverse gooseneck is arranged below the second air filter membrane.
By adopting the technical scheme, the first air filter membrane is arranged in the first vertical section, the gooseneck on the first day is arranged below the first air filter membrane, the flow velocity of hot air is reduced when the hot air flows to the gooseneck on the first day, and slag micro-powder mixed in the hot air can automatically settle, so that the working pressure of the first air filter membrane during filtration is reduced, and the service life of the first air filter membrane is prolonged; in the same way, when air flows back into the return pipeline, dust in the air can automatically settle in the first inverse-sky gooseneck, so that the working pressure of the second air filter membrane during filtration is reduced, and the service time of the second air filter membrane is prolonged.
Optionally, a recycling bin is further bypassed on the return pipeline, the recycling bin is arranged at one end, close to the pulse dust collector, of the first vertical section, and the recycling bin is arranged below the first gooseneck.
Through adopting above-mentioned technical scheme, steam is when the gooseneck of process day, and the slay miropowder that mix with in steam subsides automatically to drop to retrieving the storehouse automatically under the effect of gravity, also can drop to retrieving the storehouse automatically after gathering a certain amount by the filterable slay miropowder of first air filtration membrane simultaneously, so improved the utilization ratio of slay miropowder, alleviateed the waste.
Optionally, a cooling bin is further arranged between the pulse dust collector and the finished product bin, a discharge end of the pulse dust collector is communicated with a feed end of the cooling bin, and a discharge end of the cooling bin is communicated with a feed end of the finished product bin.
Through adopting above-mentioned technical scheme, during slag micropowder discharged and directly fell into the cooling bin from pulse dust collector's discharge end, later slag micropowder seals the cooling in the cooling bin, carries slag micropowder to the finished product storehouse after slag micropowder cools off to the uniform temperature again, and slag micropowder temperature in the finished product storehouse is lower so, has reduced the moisture in the slag micropowder absorption air and has regained the probability of tide, has reduced the water content in the finished product slag micropowder.
Optionally, a cooling device for accelerating slag micro powder cooling is arranged on the cooling bin.
Through adopting above-mentioned technical scheme, back in the slay miropowder got into the cooling bin, cooling device accelerates the cooling rate of slay miropowder, makes the cooling rate of slay miropowder and pulse dust collector's ejection of compact speed phase-match, has improved the production efficiency of slay miropowder, has reduced the temperature when slay miropowder emits into finished product storehouse simultaneously, has reduced the probability that slay miropowder absorbs the moisture in the air and get damp, has reduced the water content in the finished product slay miropowder.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the setting of air-assisted system, prolonged the contact time of steam and slay miropowder, increased the area of contact of slay miropowder and steam simultaneously, improved efficiency and the effect that slay miropowder was dried, reduced the water content in the finished product slay miropowder.
2. Through the arrangement of the backflow pipeline and the water removal device, hot gas can be recycled, the heating time of the hot gas furnace is shortened, the heat in the hot gas can be fully utilized, and energy is saved; before hot gas flows into the hot gas furnace, the water removal device carries out water removal operation on the hot gas in the return pipe, reduces the water content in the hot gas, and then is convenient for the hot gas to draw the moisture in the slag micro powder in the feeding pipeline.
3. First air filter membrane filters the air that gets into in the backflow pipeline with second air filter membrane, no longer mix with the slay miropowder when making hot gas flow through air compressor department, does not mix with the dust when making the air reflux go into the backflow pipeline in, has reduced air compressor and has been blockked up the probability by the slay miropowder at the during operation.
4. The setting in cooling bin makes slag micropowder can seal the cooling in cooling bin, carries slag micropowder to the finished product storehouse after the slag micropowder cools off the uniform temperature again, and slag micropowder temperature in the finished product storehouse is lower like this, has reduced the probability that slag micropowder absorbs moisture in the air and get damp, has reduced the water content in the finished product slag micropowder.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Description of reference numerals: 110. a feeding belt; 120. vertical grinding; 130. a hot gas furnace; 140. a finished product warehouse; 150. a recovery bin; 160. a cooling bin; 170. a cooling device; 200. an air delivery system; 210. a feed line; 220. an induced draft fan; 230. a filtration system; 231. a pulse dust collector; 232. a first air filtration membrane; 233. a second air filtration membrane; 240. a return line; 241. gooseneck on the first day; 242. a second inverted gooseneck; 243. a first inverted gooseneck; 244. gooseneck on the next day; 245. a first vertical section; 246. a second vertical section; 250. an air compressor.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses slay miropowder production line. Referring to fig. 1, the slag micro powder production line comprises a feeding belt 110, a vertical mill 120, a hot air furnace 130, a cooling bin 160, a finished product bin 140, a recovery bin 150 and an air conveying system 200; wherein the unloading end of material loading belt 110 and the material loading end of vertical mill 120 communicate, can carry the grain slag to vertical mill 120 in through material loading belt 110, vertical mill 120 grinds the grain slag into the slay miropowder. The air outlet end of the hot air furnace 130 is communicated with the air inlet end of the vertical mill 120, and when the vertical mill 120 grinds the granulated slag, the hot air furnace 130 fills hot air into the vertical mill 120, so that the slag micro powder is dried.
The air supply system 200 comprises a feeding pipeline 210 and a filtering system 230, the filtering system 230 comprises a pulse dust collector 231, the feeding end of the feeding pipeline 210 is communicated with the discharging end of the vertical mill 120, and the discharging end of the feeding pipeline 210 is communicated with the feeding end of the pulse dust collector 231. The inside draught fan 220 that is provided with of charging pipeline 210, draught fan 220 pass through bolt fixed connection on charging pipeline 210's inner wall, if charging pipeline 210's length is longer, draught fan 220 can be provided with a plurality ofly.
The pulse dust collector 231 is fixedly connected to the top end of the cooling bin 160 through a bolt, and the discharge end of the pulse dust collector 231 is communicated with the cooling bin 160. The hot gas and the slag micropowder in the feeding pipeline 210 are filtered by the pulse dust collector 231, the slag micropowder falls into the cooling bin 160 after being filtered for cooling, and the hot gas is discharged out of the pulse dust collector 231 through the gas outlet end of the pulse dust collector 231.
Be provided with cooling device 170 on cooling bin 160, cooling device 170 includes fan and cooling tube, and the winding of cooling tube is on the outer peripheral face of cooling bin 160, and the both ends of cooling tube all communicate with the atmosphere, and the fan setting is in the cooling tube, drives the flow of air in the cooling tube through the fan, and then the cooling of slay miropowder in cooling bin 160 with higher speed. Cooling bin 160 sets up on finished product storehouse 140's top, and is provided with the valve between cooling bin 160 and finished product storehouse 140, and the valve is normal close state, and after the slag micropowder in cooling bin 160 cooled to the uniform temperature, the valve was opened, and slag micropowder directly fell into finished product storehouse 140.
The air supply system 200 further comprises a backflow pipeline 240, one end of the backflow pipeline 240 is communicated with the air outlet end of the pulse dust collector 231, the other end of the backflow pipeline 240 is communicated with the air inlet end of the hot air furnace 130, heat in hot air can be fully utilized, and after the hot air enters the hot air furnace 130 again, time required for heating the hot air can be shortened.
A water removal device for removing water in the hot gas is arranged in the return pipeline 240, the water removal device may be an air compressor 250, the air inlet end and the air outlet end of the air compressor 250 are both bypassed on the return pipeline 240, and the water outlet end of the air compressor 250 is communicated with the atmosphere. After the humidity of the hot gas in the return pipeline 240 is greater than a certain numerical value, the air compressor 250 starts to intervene, at this moment, the air compressor 250 pumps the hot gas in the return pipeline 240 into the air compressor 250, and the air compressor 250 compresses the hot gas, so that the water in the hot gas is separated out, the separated water is discharged to the atmosphere from the water outlet end of the air compressor 250, the hot gas with reduced water content is discharged to the return pipeline 240 again from the air outlet end of the air compressor 250, therefore, the water in the hot gas can be continuously separated out, and the hot gas is convenient to absorb the water in the slag micro powder in the feeding pipeline 210.
The return duct 240 includes a first vertical section 245 and a second vertical section 246, wherein the first vertical section 245 is located at one end of the return duct 240 near the pulse dust collector 231, and the second vertical section 246 is located at one end of the return duct 240 near the hot gas oven 130. The first vertical section 245 is provided with a first overhead gooseneck 241 and a second overhead gooseneck 242, the second overhead gooseneck 242 is arranged between the air compressor 250 and the pulse dust collector 231, the first overhead gooseneck 241 is arranged on one side of the second overhead gooseneck 242 close to the pulse dust collector 231, and the first overhead gooseneck 241 is arranged below the second overhead gooseneck 242. The first swan neck 241 is gradually increased in diameter along the direction of hot gas flow, the second inverse swan neck 242 is gradually decreased in diameter along the direction of hot gas flow, and a first air filtering membrane 232 is arranged between the first swan neck 241 and the second inverse swan neck 242.
The hot air flows into the first vertical section 245 after passing through the pulse dust collector 231, and then flows into the first gooseneck 241, because the diameter of the first gooseneck 241 is gradually increased in the flowing direction of the hot air, the flowing speed of the hot air flowing through the first air filter membrane 232 is reduced, and the filtering of the first air filter membrane 232 is facilitated. And hot gas is because the velocity of flow descends when the gooseneck 241 reduces the day one, and remaining slay miropowder just can automatic settlement in the hot gas, has alleviateed the pressure when first air filter membrane 232 filters, has reduced the frequency that first air filter membrane 232 changed.
First vertical section 245 still holds the intercommunication with the material loading of retrieving storehouse 150, retrieves storehouse 150 and sets up under first day gooseneck 241, and the slag micropowder that first air filter 232 filtered out and automatic settling when first day gooseneck 241 in the slag micropowder all drops into retrieves storehouse 150, both falls and to reduce air compressor 250 by the probability that slag micropowder blockked up, has avoided the waste of slag micropowder simultaneously, has protected the environment moreover.
The second vertical section 246 is provided with a first inverse swan neck 243 and a second swan neck 244, the second swan neck 244 is arranged between the air compressor 250 and the hot gas stove 130, the first inverse swan neck 243 is arranged at one side of the second swan neck 244 close to the hot gas stove 130, and the first inverse swan neck 243 is arranged below the second swan neck 244. The second swan neck 244 gradually increases in diameter in the direction of the flow of the hot gas, the first inverse swan neck 243 gradually decreases in diameter in the direction of the flow of the hot gas, and a second air filtering membrane 233 is provided between the first inverse swan neck 243 and the second swan neck 244.
The air in the hot air furnace 130 flows into the second vertical section 246 during the backflow and then flows into the first inverse swan neck 243, and the diameter of the first inverse swan neck 243 is gradually reduced in the flowing direction of the hot air, so that the flowing speed of the air flowing back through the second air filter membrane 233 is reduced, and the filtering of the second air filter membrane 233 is facilitated. And the dust in the air automatically settles down due to the reduction of the flow speed when the air flows back and passes through the first inverse swan neck 243, thereby reducing the pressure when the second air filter membrane 233 is used for filtering and reducing the replacement frequency of the second air filter membrane 233.
When the hot gas flows through the second vertical section 246, the flow rate of the hot gas through the second air filter membrane 233 becomes slow due to the arrangement of the gooseneck 244 on the second day, so that the hot gas can pass through the second air filter membrane 233, and the second air filter membrane 233 is not easily damaged. Meanwhile, due to the arrangement of the second swan neck 244 and the second inverse swan neck 242, the diameter of the backflow pipeline 240 between the second swan neck 244 and the second inverse swan neck 242 becomes thin, the heat dissipation capacity of hot air flowing through the backflow pipeline 240 is reduced, and the energy is saved.
The implementation principle of this application embodiment slag miropowder production line does:
after the granulated slag is conveyed into the vertical mill 120 through the feeding belt 110, the vertical mill 120 grinds the granulated slag, meanwhile, the hot gas furnace 130 starts to dry the granulated slag, the granulated slag enters the feeding pipeline 210 under the combined action of the induced draft fan 220 and the hot gas furnace 130 after being ground into slag micro powder, hot gas fully and for a long time contacts with the slag micro powder in the feeding pipeline 210, the drying effect of the slag micro powder is improved, then the slag micro powder enters the cooling bin 160 under the action of the pulse dust collector 231, then the slag micro powder is sealed and cooled in the cooling bin 160, and the slag micro powder is discharged into the finished product bin 140 after being cooled to a certain temperature, so that the moisture regain phenomenon of the slag micro powder is reduced; the hot gas is discharged into the return pipeline 240 from the pulse dust collector 231, and then is filtered again under the action of the gooseneck 241 and the first air filter membrane 232 on the first day, and the filtered slag micro powder is collected into the recovery bin 150, so that the waste of materials is reduced; the hot gas after the secondary filtration is dewatered by the air compressor 250, so that the water content in the hot gas is reduced, and the hot gas can absorb the moisture in the slag micro powder in the feeding pipeline 210 conveniently; then, the hot gas enters the hot gas furnace 130 again, so that the utilization rate of the heat energy in the hot gas is improved, and the heating time of the hot gas furnace 130 is shortened; the arrangement of the first reverse swan neck 243 and the second air filter membrane 233 reduces the probability that air mixed with dust flows back into the return pipe 240, thereby protecting the air compressor 250 and reducing the probability that the air compressor 250 is damaged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The slag micro powder production line is characterized in that: comprises a feeding belt (110), a vertical mill (120), a hot air furnace (130), an air conveying system (200) and a finished product bin (140), wherein the output end of the feeding belt (110) is communicated with the feed end of the vertical mill (120), the output end of the hot gas furnace (130) is communicated with the air inlet end of the vertical mill (120), the air supply system (200) comprises a feed pipeline (210), an induced draft fan (220) and a filtering system (230), the filtering system (230) comprises a pulse dust collector (231), the feeding end of the feeding pipeline (210) is communicated with the discharging end of the vertical mill (120), the discharge end of the feeding pipeline (210) is communicated with the air inlet end of the pulse dust collector (231), the discharge end of the pulse dust collector (231) is communicated with the finished product bin (140), the induced draft fan (220) is fixedly connected in the feeding pipeline (210).
2. The slag micropowder production line of claim 1, characterized in that: the air supply system (200) further comprises a return pipe (240), the input end of the return pipe (240) is communicated with the air outlet end of the pulse dust collector (231), the output end of the return pipe (240) is communicated with the air inlet end of the hot air furnace (130), and a water removal device is further arranged in the return pipe (240).
3. The slag micropowder production line of claim 2, characterized in that: the water removal device is an air compressor (250), the air inlet end and the air outlet end of the air compressor (250) are both bypassed on the backflow pipeline (240), and the water outlet end of the air compressor (250) is communicated with the atmosphere.
4. The slag micropowder production line of claim 3, characterized in that: the filtration system (230) further comprises a first air filtration membrane (232), the first air filtration membrane (232) being arranged in the return duct (240), and the first air filtration membrane (232) being arranged between the air compressor (250) and the pulse precipitator (231).
5. The slag micropowder production line of claim 4, characterized in that: the filter system (230) further comprises a second air filtration membrane (233), the second air filtration membrane (233) is also arranged in the return duct (240), and the second air filtration membrane (233) is arranged between the air compressor (250) and the hot gas oven (130).
6. The slag micropowder production line of claim 5, characterized in that: the backflow pipeline (240) is provided with a first day gooseneck (241) and a first reverse-day gooseneck (243), the first day gooseneck (241) is arranged between the first air filtering membrane (232) and the pulse dust collector (231), and the first reverse-day gooseneck (243) is arranged between the second air filtering membrane (233) and the hot air furnace (130).
7. The slag micropowder production line of claim 6, characterized in that: the backflow pipeline (240) comprises a first vertical section (245) and a second vertical section (246), the first vertical section (245) is arranged at one end, close to the pulse dust collector (231), of the backflow pipeline (240), the second vertical section (246) is arranged at one end, close to the hot air furnace (130), of the backflow pipeline (240), the first air filter membrane (232) is arranged in the first vertical section (245), the first swan neck (241) is arranged below the first air filter membrane (232), the second air filter membrane (233) is arranged in the second vertical section (246), and the first reverse swan neck (243) is arranged below the second air filter membrane (233).
8. The slag micropowder production line of claim 7, characterized in that: a recovery bin (150) is further bypassed on the return pipeline (240), the recovery bin (150) is arranged at one end, close to the pulse dust collector (231), of the first vertical section (245), and the recovery bin (150) is arranged below the first gooseneck (241).
9. The fine slag powder production line according to any one of claims 1 to 8, characterized in that: a cooling bin (160) is further arranged between the pulse dust collector (231) and the finished product bin (140), the discharge end of the pulse dust collector (231) is communicated with the feed end of the cooling bin (160), and the discharge end of the cooling bin (160) is communicated with the feed end of the finished product bin (140).
10. The slag micropowder production line of claim 9, characterized in that: and a cooling device (170) for accelerating the cooling of the slag micro powder is arranged on the cooling bin (160).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865260.0A CN112062490A (en) | 2020-08-25 | 2020-08-25 | Slag micro powder production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865260.0A CN112062490A (en) | 2020-08-25 | 2020-08-25 | Slag micro powder production line |
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| CN112062490A true CN112062490A (en) | 2020-12-11 |
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| CN202010865260.0A Pending CN112062490A (en) | 2020-08-25 | 2020-08-25 | Slag micro powder production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791833A (en) * | 2020-12-31 | 2021-05-14 | 新巴尔虎右旗荣达矿业有限责任公司 | Mineral product ash filtering device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209501901U (en) * | 2018-12-25 | 2019-10-18 | 赞皇济槐矿粉建材科技有限公司 | A kind of slag grinding flour device |
| CN210051061U (en) * | 2019-05-08 | 2020-02-11 | 河南尚宇新能源股份有限公司 | Silica powder drying system |
-
2020
- 2020-08-25 CN CN202010865260.0A patent/CN112062490A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209501901U (en) * | 2018-12-25 | 2019-10-18 | 赞皇济槐矿粉建材科技有限公司 | A kind of slag grinding flour device |
| CN210051061U (en) * | 2019-05-08 | 2020-02-11 | 河南尚宇新能源股份有限公司 | Silica powder drying system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791833A (en) * | 2020-12-31 | 2021-05-14 | 新巴尔虎右旗荣达矿业有限责任公司 | Mineral product ash filtering device |
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Application publication date: 20201211 |