CN106350624B - A kind of apparatus for treating steel slags with cooling sprayer - Google Patents
A kind of apparatus for treating steel slags with cooling sprayer Download PDFInfo
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- CN106350624B CN106350624B CN201610941608.3A CN201610941608A CN106350624B CN 106350624 B CN106350624 B CN 106350624B CN 201610941608 A CN201610941608 A CN 201610941608A CN 106350624 B CN106350624 B CN 106350624B
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- slag
- steel
- cooling
- dust
- screening plant
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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 present invention provides a kind of apparatus for treating steel slags with cooling sprayer, belongs to steelmaking slag processing technology field, and the apparatus for treating steel slags with cooling sprayer includes cooling device, lifting crane, tipple, screening plant, steel scrap batch can and transition feed bin；The steel slag of steel slag equipment discharge is seated in slag bag, the cooling treatment that slag bag passes through cooling device, steel slag is tumbled to be poured on screening plant in tipple and is sieved, heavy scrap is sifted out to be transported in steel scrap batch can and is utilized again, bits are screened out to be placed in transition feed bin and is sent by chain mat machine and belt feeder to ball mill progress second screening or is directly transported otherwise utilized.Apparatus for treating steel slags of the invention can more effectively avoid steel slag waste, while preventing and polluting during slag processing to external environment again.
Description
Technical field
The invention belongs to steelmaking slag processing technology fields, specifically, the present invention relates to a kind of with cooling sprayer
Fugitive dust is selected and solved the problems, such as to steel scrap in steel slag in particular to by apparatus for treating steel slags.
Background technique
Steel slag is the byproduct generated in steelmaking process, and North Sea Cheng De group steelshop uses AOD furnace (argon oxygen decarburizing process
Refining equipment) technology made steel, since AOD must slag tap when smelting, while slagging tap, part steel can be brought into
Water is simultaneously mixed into cinder ladle；In general, the quantity of slag of AOD smelting stainless steel accounts for the total amount 20~25% of stainless steel, and it is mixed into slag
Molten steel amount account for 2~3% or so of stainless steel total amount.For such data, major steel mill all exists at home, to cause big
The waste of amount.Certain major steel mill is all elected steel scrap is brought in slag into using various methods as far as possible, such as direct hot splashing slag side
Method is screened, but is required workshop and water and high and seriously polluted, so can not promote at home.As Baosteel, Taiyuan Iron and Steel Co.,
All there is serious fugitive dust and heavy scrap can not be recycled comprehensively in east special steel etc.；The country can really solve at slag simultaneously at present
The fugitive dust and waste steel recycling generated during reason reaches related request or blank.
Summary of the invention
The purpose of the present invention is to provide a kind of apparatus for treating steel slags with cooling sprayer, at least to solve existing skill
The problems such as steel slag existing for art wastes, and further solve the problems such as existing processing steel slag pollutes the environment.
To solve the above-mentioned problems, the present invention provides a kind of apparatus for treating steel slags with cooling sprayer, technical side
Case is as follows:
A kind of apparatus for treating steel slags with cooling sprayer, including cooling device, lifting crane, tipple, screening
Device, steel scrap batch can and transition feed bin；The steel slag that the cooling device is used to accommodate slag bag carries out cooling treatment；It is described to hang
Dress driving is for being transported to the tipple for the slag bag after cooling treatment；The tipple is described for receiving
The slag bag that lifting crane transports, steel slag in the slag bag is tumbled and is poured out；The screening plant is inclined to set, institute
State screening plant high side one end be placed in the tipple outlet lower section, for receiving the steel slag after tumbling and to steel
Slag is sieved, and the bloom that will be greater than the sieve pore of the screening plant sifts out；The steel scrap batch can is placed in the screening plant
The lower section of downside one end, for receiving the bloom for being greater than the sieve pore of the screening plant；The transition feed bin is placed in the screening
The lower section of device, for receiving the bits for being less than the sieve pore of the screening plant.
Such as the above-mentioned apparatus for treating steel slags with cooling sprayer, preferably, the cooling device includes: cooling device base
Body and multiple cooling sprayers；The cooling device matrix is for transmitting the slag bag and mentioning for multiple cooling sprayers
Watering；Multiple cooling sprayers are uniformly mounted on the cooling device matrix, and the cooling sprayer sprays atomization
Water is cooled down with the steel slag accommodated to the slag bag.Further preferably, the cooling sprayer includes pipeline, the pipeline
It is mounted on the cooling device matrix, for connecting water source；And spray head, it is mounted on the top of the pipeline, for spraying mist
Change water.
Such as the above-mentioned apparatus for treating steel slags with cooling sprayer, preferably, the cooling sprayer further includes service valve
Door, the maintenance valve are mounted on the pipeline.
Such as the above-mentioned apparatus for treating steel slags with cooling sprayer, preferably are as follows: the tipple include: support platform,
Shell, closed movable guard, slag pan of tumbling, fixing and locking mechanism and overturning control mechanism；The support platform is for providing support；
The upper end of the shell is opening setting, is fixedly mounted in the support platform；The closed movable guard is movably arranged on institute
The aperture position for stating shell is used to open or closes the opening of the shell and tension or decontrols the fixed locking machine
Structure；The slag pan of tumbling is movably arranged in the shell；The fixing and locking mechanism setting is tumbled on slag pan described, is used for
The slag bag is locked at described tumble on slag pan；The overturning control mechanism is arranged outside the shell, passes through its shaft
It is connect with the slag pan of tumbling, for controlling the rotation of tumbling of the slag pan of tumbling.
Such as the above-mentioned apparatus for treating steel slags with cooling sprayer, preferably, the tipple further includes multiple nozzles,
It is arranged in the shell, for humidifying to being locked at the slag bag on slag pan of tumbling.
Such as the above-mentioned apparatus for treating steel slags with cooling sprayer, preferably, the screening plant is high frequency shale shaker.
Such as above-mentioned apparatus for treating steel slags with cooling sprayer, preferably are as follows: it further include dust-extraction unit, the dust-extraction unit
Inlet port be placed in the top of the screening plant, for removing the fugitive dust of screening process formation；The dust-extraction unit includes removing
Dust hood, cyclone dust collectors, dedusting fan and mist dust remover；The top of the screening plant is arranged in the dust excluding hood；It is described
The air inlet of cyclone dust collectors is connected by cleaning shaft with the dust excluding hood, for carrying out first time purified treatment to fugitive dust；
The air inlet of the dedusting fan is connected by cleaning shaft with the exhaust outlet of the cyclone dust collectors, for that will pass through the rotation
Purified fugitive dust is introduced in the mist dust remover wind deduster for the first time；The air inlet of the mist dust remover with it is described
The exhaust outlet of dedusting fan is connected, for carrying out second of purified treatment to fugitive dust and being discharged by chimney.
Such as the above-mentioned apparatus for treating steel slags with cooling sprayer, preferably are as follows: the tipple, the screening plant and
The transition feed bin is two；
Two tipples are arranged side by side；Two screening plants are in the shape of the letter V arranged symmetrically, are respectively placed in two
The lower section of the tipple, two transition feed bins are respectively placed in the lower section of two screening plants, the steel scrap
Tank is placed in the lower section of downside one end of two screening plants.
Analysis it is found that compared with prior art, the advantages and beneficial effects of the present invention are:
One, the apparatus for treating steel slags provided by the invention with cooling sprayer can more effectively avoid steel slag wave
Take, while preventing and external environment is polluted again during slag processing.
Two, the spray mode of cooling device of the invention is by the way that multiple cooling sprays are arranged on cooling device matrix
Device sprays atomized water spraying from lower to upper, in this way can by steel slag heat by up and spray atomized water it is direct
The advantages of taking away, atomized water will not be made to land and form ponding, playing protection environment and improve efficiency.
Three, the present invention is equipped with closed movable guard on tipple, can be easy to lift driving in this way and transport slag bag again
It can prevent occurring the case where dust raises up during tumbling.
Four, dust-extraction unit of the invention uses a variety of dedusting methods (dust excluding hood-dedusting fan, cyclone dust collectors and water mist
Deduster) be implemented in combination with fugitive dust no pollution discharge.
Detailed description of the invention
Fig. 1 is the structure diagram of the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention.
Fig. 2 is the knot of the atomized water spraying device of the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention
Structure schematic diagram.
Fig. 3 is that the structure of the tipple of the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention is shown
It is intended to.
Fig. 4 is that the structure of the tipple of the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention is shown
It is intended to.
Fig. 5 is the vertical view of the tipple of the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention
Figure.
Fig. 6 is the knot of the fixing and locking mechanism of the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention
Structure schematic diagram.
Fig. 7 is the tipple of the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention, screening dress
Set the structural schematic diagram of cooperating.
Fig. 8 is that the structure of the dust-extraction unit of the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention is shown
It is intended to.
Fig. 9 is the logic chart of the process for treating steel slag with cooling sprayer of the preferred embodiment of the present invention.
In figure, 0- slag bag；1- cooling device；11- cooling device matrix；12- pipeline；13- overhauls valve；14- spray head；
2- tipple；21- support platform；22- shell；The closed movable guard of 23-；The closed cover board of 231-；232- guide post；233- vehicle
Wheel；234- driving motor；24- fixing and locking mechanism；241- mounting hole；242- mounting rod；The first latch segment of 243-；244- second
Latch segment；25- tumbles slag pan；26- overturning control mechanism；3- screening plant；4- steel scrap batch can；5- transition feed bin；6- lifting row
Vehicle；7- dust-extraction unit；71- dust excluding hood；72- cleaning shaft；73- cyclone dust collectors；74- dedusting fan；75- mist dust remover；
8- chain mat machine；9- belt feeder.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and detailed description.
As shown in Figure 1, the apparatus for treating steel slags with cooling sprayer of the preferred embodiment of the present invention mainly includes cooling
Device 1, lifting crane 6, tipple 2, screening plant 3, steel scrap batch can 4, transition feed bin 5, the steel slag dress of steel slag equipment discharge
It fills out in slag bag 0, the steel slag that cooling device 1 is used to accommodate slag bag 0 carries out cooling treatment；Lifting crane 6, being used for will be cold
But treated, and slag bag 0 is transported to tipple 2；Tipple 2, for receiving the slag bag of the transport of lifting crane 6
0, steel slag in slag bag 0 is tumbled and is poured out；The screening plant 3 being inclined to set, 3 high side one end (i.e. material receiving end) of screening plant are set
It will be greater than screening plant 3 for receiving the steel slag after tumbling and sieving to steel slag in the lower section of 2 outlet of tipple
The bloom of sieve pore (i.e. 150mm × 150mm) sift out, steel scrap batch can 4 is placed in 3 downside one end (i.e. discharge end) of screening plant
Lower section, for receiving the bloom for being greater than the sieve pore (i.e. 150mm × 150mm) of screening plant 3；With transition feed bin 5, it is placed in screening dress
The lower section for setting 3, for receiving the bits for being less than the sieve pore (i.e. 150mm × 150mm) of screening plant 3.
Specifically, the present invention carries out in two relatively closed workshops, cooling device 1 is individually placed in the first workshop,
Tipple 2, screening plant 3, steel scrap batch can 4 and transition feed bin 5 are placed in the second workshop, pass through cooling device in the first workshop
1 atomized water sprayed realizes depositing dust, realizes depositing dust by dust-extraction unit 7 in the second workshop.
For the ease of effectively cooling down the steel slag in slag bag 0, as shown in Fig. 2, cooling device 1 includes cooling dress
Matrix 11 and multiple cooling sprayers are set, multiple cooling sprayers are uniformly mounted on cooling device matrix 11, cooling device base
Body 11 is for transmitting slag bag 0 and providing water source for multiple cooling sprayers；Cooling sprayer sprays atomized water and is used for steel slag
Packet 0 is cooled down.Preferably, cooling sprayer includes pipeline 12, and pipeline 12 is mounted on cooling device matrix 11, for connecting
Water source is arranged in a horizontal manner；Spray head 14 is mounted on the top (on 12 upper tube wall of pipeline shown in Fig. 2) of pipeline 12, for spraying
Atomized water out, the height of the highly preferred opening lower than slag bag in the vertical direction.For the ease of to cooling sprayer
Maintenance, cooling sprayer further include maintenance valve 13, maintenance valve 13 be mounted on pipeline 12, be specifically set to spray head 14
Between pipeline 12.Cooling sprayer of the invention can be set using spray mode from bottom to top according to the treating capacity of steel slag
Meter 200, can also design other quantity, the present embodiment is defined not to this.Due to the temperature in slag bag 0 be 200~
600 degree, according to thermodynamics, heat is up radiated, and by atomized water spraying from bottom to top, hot gas takes away atomized water, thus
The temperature for reducing temperature in the first workshop and accelerating in slag bag 0 is cooling, and in the first workshop ground will not ponding, first
Temperature is preferably decreased to room temperature in workshop, and room temperature is conducive to the weathering of steel slag.
Since steel slag is mainly made of calcium carbonate, become powdery after weathering, fugitive dust is easily caused to bring environment dirty
Dye, the fugitive dust occurred when steel slag in slag bag 0 of tumbling in order to prevent pollutes external environment, as shown in figure 3, tumbling
Device 2 includes support platform 21, shell 22, closed movable guard 23, slag pan 25 of tumbling, fixing and locking mechanism 24 and control machine of tumbling
Structure 26；Support platform 21 is used to provide support for tipple 2；The upper end of shell 22 is opening setting, is fixedly mounted on support
On platform 21；Closed movable guard 23, is movably arranged on the aperture position of shell 22, is used to open or the opening of closing of housing 22
With tense or decontrol the fixing and locking mechanism 24；It tumbles slag pan 25, is movably arranged in shell 22, is realized in shell 22
It tumbles rotation；Fixing and locking mechanism 24 is set to and tumbles on slag pan 25, for slag bag 0 to be locked at slag pan 25 of tumbling；With
Overturning control mechanism 26 is arranged outside shell 22, is connect by shaft with slag pan 25 of tumbling, for controlling inclining for slag pan 25 of tumbling
Overturning is dynamic.Tipple 2 can be two or more, can provide whole work efficiency in this way.Slag bag 0 is being tumbled in order to prevent
Process generates fugitive dust, to pollute the environment, tipple 2 further includes multiple nozzles (not shown), is arranged in shell 22
It is interior, for humidifying to being locked at the slag bag 0 tumbled on slag pan 25.It is larger in order to carry out nozzle to slag bag 0
The water spray of range humidifies, and further preferred nozzle is fan nozzle, is cooled down with fan nozzle to slag bag 0, can be subtracted
The usage quantity of few nozzle, the preferably number of fan nozzle are 4, are uniformly arranged in shell 22.Still further preferably, as schemed
Shown in 6, fixing and locking mechanism 24 includes mounting rod 242, is equipped with mounting hole 241 in the lower end of mounting rod 242, mounting rod 242 is logical
It crosses mounting hole 241 and is movably arranged on and tumble on slag pan 25, such as through having a shaft, the both ends of the shaft in mounting hole 241
Slag pan 25 of tumbling on slag pan 25 or tumble is fixed on equipped with shaft, and the mounting hole 241 of fixing and locking mechanism 24, which is applied in, to incline
In the shaft for turning over slag pan 25, as long as can be realized fixing and locking mechanism 24 around the rotation of slag pan 25 of tumbling；First latch segment
243, the middle and upper part position of mounting rod 242 is set, the boom (not shown) for clamping slag bag 0；With the second latch segment
244, the upper end of mounting rod 242 is set, the upper surface for clamping slag bag 0；The present invention uses twice clamping measure, can be with
Ensure that slag bag 0 is fixed.Still further preferably, as shown in Figure 4, Figure 5, closed movable guard 23 includes: two closed covers
Plate 231, two closed cover boards 231 are symmetrical set, and the upper end opening position of shell 22 is arranged in two closed cover boards 231；It is more
A guide post 232 is separately positioned on the lower end inside position of two closed cover boards 231, corresponding with fixing and locking mechanism 24, is used for
Tense or decontrol fixing and locking mechanism 24；Multiple wheels 233 are arranged in the lower end surface of two closed cover boards 231 and are placed on
On shell 22；With multiple driving motors 234, it is connect with two closed cover boards 231, for pulling open or closing two closed cover boards
231.In actual operation, multiple guide posts 232 are corresponding with the second latch segment 244 of fixing and locking mechanism 24, realize closed work
The tension or relieving of 23 pairs of fixing and locking mechanisms 24 of dynamic cover.
In order to effectively sift out the steel slag for being less than the sieve pore of screening plant 3, screening plant 3 of the invention is preferably height
Frequency vibration sieve.
It carries out will appear fugitive dust in screening process in screening plant 3, fugitive dust pollutes external environment in order to prevent, such as
Shown in Fig. 8, the invention also includes dust-extraction unit 7, the inlet port of dust-extraction unit 7 is placed in the top of screening plant 3.In order to further
It is effectively prevented fugitive dust to pollute the environment, dust guard 7 of the invention includes that (i.e. fume trap cover may be implemented dust excluding hood 71
Dust arrestment rate >=99%), the top of screening plant 3 is set；The air inlet of cyclone dust collectors 73, cyclone dust collectors 73 passes through
Cleaning shaft 72 is connected with dust excluding hood 71, for carrying out first time purified treatment to fugitive dust；Dedusting fan 74, dedusting fan 74
Air inlet is connected by cleaning shaft 72 with the exhaust outlet of cyclone dust collectors 73, net for the first time for that will pass through cyclone dust collectors 73
Fugitive dust after change is introduced in following mist dust removers 75；With mist dust remover 75, the air inlet of mist dust remover 75 with remove
The exhaust outlet of dirt blower 74 is connected, for carrying out second of purified treatment to fugitive dust and being discharged by chimney.It is preferred that cyclone dust removal
Device 73 is multicyclone, the further preferred three pipes cyclone dust collectors of the present invention.
In order to save the energy and improve whole work efficiency, as shown in fig. 7, another preferred embodiment of the invention
The apparatus for treating steel slags with cooling sprayer include two tipples, 2, two screening plants 3 and two transition feed bins 5,
Two tipples 2 are arranged side by side；Two screening plants 3 are in the shape of the letter V arranged symmetrically, are respectively placed under two tipples 2
Side, two transition feed bins 5 are respectively placed in the lower section of two screening plants 3, and a steel scrap batch can 4 is placed in two screening plants 3
Downside one end.It can make two tipples 2 and two screening plants 3 in this way while use, improve whole working efficiency,
Certainly as a further improvement, dust-extraction unit 7 is mounted between two tipples 2, pass through a dust-extraction unit 7
The fugitive dust of two screening plants 3 is subjected to purified treatment.
As shown in Figures 1 to 8, the course of work of the invention is explained in detail in lower mask body.
The steel slag produced by AOD furnace, to the first shop locations, is filled steel slag in the first workshop by Automobile Transportation
Fill out in slag bag 0, then slag bag 0 be placed on cooling device matrix 11, cooling device matrix 11 belt (or
Chain) slag bag 0 is run by one end of cooling device matrix 11 to other end under operation, in the process of running, setting
Cooling sprayer on cooling device matrix 11 carries out cooling processing to slag bag 0, can make while playing cooling effect
The steel slag on 0 surface of slag bag solidifies, and avoids the case where the first workshop fugitive dust occurs and steel slag is avoided to be scattered；
Through the slag bag 0 after cooling of apparatus for supercooling 1, carried it by lifting crane 6 to the upper end of tipple 2,
The tumbling on slag pan 25 of tipple 2 is put by the aperture position of tipple 2, closed movable guard 23 is by tipple 2
Opening closes fixing and locking mechanism 24 simultaneously, and slag bag 0 is fixed；Start steel slag of tumbling, at this point, due to the opening of tipple 2
(i.e. the opening of shell) it is closed live, the fugitive dust for the process formation that prevents from tumbling up is run；
Steel slag is tumbled by tipple 2 to screening plant 3, since screening plant 3 is using high frequency shale shaker, in height
Under the action of frequency vibration sieve, guarantee that the bits for being less than the sieve pore of high frequency shale shaker are sieved in transition feed bin 5, will be remained as far as possible
The steel slag of remaining bulk is collected into steel scrap batch can 4 for use；As shown in figure 4, the bits sifted out are sent by chain mat machine 8 and belt feeder 9
To ball mill carry out second screening or directly transport it is otherwise utilized (i.e. by steel slag deliver into ball mill carry out it is secondary choosing or
Cement plant or elsewhere is transported to by vehicles such as automobiles), it should be noted that in order to further decrease fugitive dust discharge
Amount, when the bits sifted out convey on chain mat machine 8, sprays it by nozzle, i.e. water spray humidification, to solve sieve
Bits after choosing again fugitive dust the problem of, reached zero-emission, preferably by adjusting the amount of water sprayed of nozzle so that from chain mat machine 8
The water content of the bits of discharge port output is 20%~25%.The nozzle is set on chain mat machine 8.
As shown in figure 9, the process for treating steel slag of the preferred embodiment of the present invention, step include:
Filling: step 1 steel slag is seated in slag bag 0；
Cooling weathering: step 2 carries out cooling weathering processing to the steel slag that slag bag 0 accommodates, slag bag 0 is cooled to 50
Steel slag is cooled to 200~300 degree, preferably 250 degree by~70 degree, preferably 60 degree；
Step 3 is tumbled: the steel slag in the slag bag 0 after cooling treatment is tumbled out；
Step 4, screening: carrying out screening process for the steel slag for tumbling out,
The bloom that will be greater than 150mm × 150mm screens out to be recycled；
The steel slag for being less than 150mm × 150mm and bits are led into belt feeder 9 and are sent directly into ball mill and shaking table progress gravity treatment.
It is cooling in step 2 in order to avoid occurring the case where fugitive dust pollutes external environment in cooling procedure
Efflorescence is carried out in the first confined space.It further preferably, is to pass through spray in the cooling weathering processing of step 2
The form of atomized water carries out cooling treatment, by control the amount of atomized water by the upper surface of steel slag solidify so as to avoid
Steel slag generates fugitive dust, then weathering 3~5 days；Further preferably cooling procedure is to continue 24 hours atomizations to slag bag 0
Then water, amount of water sprayed 4L/min allow 0 natural cooling of slag bag 4 days.According to mechanics principle, heat that slag bag 0 comes out
Up radiated, in this case, in step 2, atomized water spraying is sprayed by mode from bottom to top, this
Atomized water can be taken away and (be evaporated) by the hot gas of slag bag 0 by kind atomized water spraying, to reduce in confined space
Temperature and the temperature accelerated in slag bag 0 are cooling, and ponding will not be generated in the first confined space.It is close for the ease of first
The production in space is closed, the present invention can enclose a workshop to form the first confined space.
During tumbling and sieving, it often will appear the case where generating fugitive dust, and then pollute the environment, be based on
This, the screening process process of tumble treatment process and the step 4 of step 3 of the present invention is carried out in the second confined space.
In order to which the fugitive dust of will tumble processing and screening process generation is eliminated, the method also includes dust removal steps, to the processing of tumbling
The fugitive dust generated in the process is removed；The fugitive dust generated during the screening process is removed.In the second confined air
It is interior to be equipped with dust-extraction unit, for removing the fugitive dust of tumble processing and screening process generation.For the ease of the second confined space
Production, the present invention can enclose another workshop to form the second confined space.
During tumbling, in order to avoid the fugitive dust that steel slag generates raises up, to steel in the treatment process of tumbling of step 3
Steel slag in cinder ladle carries out water spray humidification, amount of water sprayed 4L/min.
Further preferably, the treatment process of tumbling of step 3 is carried out in a closed environment.
In screening process, in order to avoid the fugitive dust that steel slag generates raises up, to inclining during the screening process of step 4
It routs up the steel slag come and carries out water spray humidification, amount of water sprayed 4L/min.
As shown in figure 9, being described further to process for treating steel slag of the invention.
The steel slag that steel slag equipment is discharged is seated in slag bag 0 by step 1,
Step 2, in the first confined space, by way of atomized water spraying from bottom to top to the steel slag in slag bag 0 into
Row cooling treatment；
Step 3 is routed up the steel slag after cooling treatment entirely to incline by 0 introversion of slag bag in the second confined space
Climbing over journey is carried out in the environment of spraying water humidification；
Step 4, in the second confined space, by the steel slag for tumbling out carry out screening process, entire screening process be
It is carried out in the environment of water spray humidification:
The heavy scrap bloom of 150mm × 150mm (be greater than) is sifted out and is sent to carrying out waste steel recycling in steel scrap batch can 4；
By the steel slag for sifting out aqueous 10% (weight percent) come (in the process of tumbling and screening process plus water forms)
Being transported to belt feeder 9 by chain mat machine 8 (still humidifying at this time in water spray) (is at this time aqueous 20%~25% (weight percent)
Steel slag, the steel slag of preferably aqueous 20% (weight percent)), then it is transported to filtering feed bin, steel slag is then delivered into ball
Grinding machine carries out secondary choosing or is transported to cement plant or elsewhere by vehicles such as automobiles.
Compared with prior art, the advantages and beneficial effects of the present invention are:
One, the apparatus for treating steel slags with cooling sprayer of the invention can more effectively avoid steel slag waste, together
When prevent external environment polluted again during slag processing.
Two, the spray mode of cooling device of the invention is by the way that multiple cooling sprays are arranged on cooling device matrix 11
Device sprays atomized water spraying from lower to upper, in this way can by steel slag heat by up and spray atomized water it is direct
The advantages of taking away, atomized water will not be made to land and form ponding, playing protection environment and improve efficiency.
Three, the present invention is equipped with closed movable guard 23 on tipple, can be easy to lift driving 6 in this way and transport slag bag
0 can prevent occurring the case where dust raises up during tumbling again.
Four, dust-extraction unit 7 of the invention uses a variety of dedusting methods (dust excluding hood 71- dedusting fan 74, cyclone dust collectors 73
With mist dust remover 75) be implemented in combination with fugitive dust no pollution discharge.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (6)
1. a kind of apparatus for treating steel slags with cooling sprayer, which is characterized in that including cooling device, lifting crane, tumble
Device, screening plant, steel scrap batch can and transition feed bin；
The steel slag that the cooling device is used to accommodate slag bag carries out cooling treatment；
The lifting crane is used to the slag bag after cooling treatment being transported to the tipple；
The tipple is used to receive the slag bag that the lifting crane transports, and steel slag in the slag bag is tumbled down
Out；
The screening plant is inclined to set, and high side one end of the screening plant is placed under the outlet of the tipple
Side, for receiving the steel slag after tumbling and sieving to steel slag, the bloom that will be greater than the sieve pore of the screening plant is sifted out；
The steel scrap batch can is placed in the lower section of downside one end of the screening plant, for receiving the sieve for being greater than the screening plant
The bloom in hole；
The transition feed bin is placed in the lower section of the screening plant, for receiving the bits for being less than the sieve pore of the screening plant；
Wherein,
The cooling device includes: cooling device matrix and multiple cooling sprayers；
The cooling device matrix is for transmitting the slag bag and providing water source for multiple cooling sprayers；It is multiple described
Cooling sprayer is uniformly mounted on the cooling device matrix, and the cooling sprayer sprays atomized water to the slag bag
The steel slag of receiving is cooled down；The cooling sprayer is using spray mode from bottom to top；
Further include:
Dust-extraction unit, the inlet port of the dust-extraction unit are placed in the top of the screening plant, are formed for removing screening process
Fugitive dust；The dust-extraction unit includes dust excluding hood, cyclone dust collectors, dedusting fan and mist dust remover；
The top of the screening plant is arranged in the dust excluding hood；
The air inlet of the cyclone dust collectors is connected by cleaning shaft with the dust excluding hood, net for the first time for carrying out to fugitive dust
Change processing；
The air inlet of the dedusting fan is connected by cleaning shaft with the exhaust outlet of the cyclone dust collectors, for that will pass through institute
Stating cyclone dust collectors, purified fugitive dust is introduced in the mist dust remover for the first time；
The air inlet of the mist dust remover is connected with the exhaust outlet of the dedusting fan, purifies for carrying out second to fugitive dust
It handles and is discharged by chimney.
2. having the apparatus for treating steel slags of cooling sprayer according to claim 1, which is characterized in that the cooling sprayer
Further include:
Valve is overhauled, the maintenance valve is mounted on the pipeline.
3. having the apparatus for treating steel slags of cooling sprayer according to claim 1, which is characterized in that the tipple packet
It includes: support platform, shell, closed movable guard, slag pan of tumbling, fixing and locking mechanism and overturning control mechanism；
The support platform is for providing support；
The upper end of the shell is opening setting, is fixedly mounted in the support platform；
The closed movable guard is movably arranged on the aperture position of the shell, is used to open or closes the opening of the shell
With tense or decontrol the fixing and locking mechanism；
The slag pan of tumbling is movably arranged in the shell；
The fixing and locking mechanism setting is tumbled on slag pan described, for the slag bag to be locked at the slag pan of tumbling
On；
The overturning control mechanism is arranged outside the shell, is connect by its shaft with the slag pan of tumbling, for controlling
State the rotation of tumbling for slag pan of tumbling.
4. having the apparatus for treating steel slags of cooling sprayer according to claim 3, which is characterized in that the tipple is also
Include:
Multiple nozzles are arranged in the shell, for humidifying to being locked at the slag bag on slag pan of tumbling.
5. having the apparatus for treating steel slags of cooling sprayer according to claim 1, it is characterised in that:
The screening plant is high frequency shale shaker.
6. having the apparatus for treating steel slags of cooling sprayer according to claim 1, it is characterised in that:
The tipple, the screening plant and the transition feed bin are two；
Two tipples are arranged side by side；Two screening plants are in the shape of the letter V arranged symmetrically, are respectively placed in described in two
The lower section of tipple, two transition feed bins are respectively placed in the lower section of two screening plants, and the steel scrap batch can is set
In the lower section of downside one end of two screening plants.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610941608.3A CN106350624B (en) | 2014-10-15 | 2014-10-15 | A kind of apparatus for treating steel slags with cooling sprayer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544592.3A CN104293990B (en) | 2014-10-15 | 2014-10-15 | Steel slag treatment method and steel slag treatment device |
| CN201610941608.3A CN106350624B (en) | 2014-10-15 | 2014-10-15 | A kind of apparatus for treating steel slags with cooling sprayer |
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|---|---|---|---|
| CN201410544592.3A Division CN104293990B (en) | 2014-10-15 | 2014-10-15 | Steel slag treatment method and steel slag treatment device |
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| CN106350624B true CN106350624B (en) | 2019-02-22 |
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| CN201610941608.3A Active CN106350624B (en) | 2014-10-15 | 2014-10-15 | A kind of apparatus for treating steel slags with cooling sprayer |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104293990B (en) * | 2014-10-15 | 2017-02-22 | 北海诚德金属压延有限公司 | Steel slag treatment method and steel slag treatment device |
| CN104630396B (en) * | 2015-02-09 | 2017-01-25 | 池州冠华黄金冶炼有限公司 | Automatic control device for slow cooling of copper smelting furnace slag |
| CN106191346B (en) * | 2016-09-14 | 2019-07-02 | 中冶华天南京工程技术有限公司 | A kind of stainless steel casting residue single treatment process and device |
| CN108559811A (en) * | 2018-03-14 | 2018-09-21 | 唐山市丰南区航舶冶金机械制造有限公司 | Environment-friendly type metallurgical slag cooling treatment system and technique |
| CN110982965A (en) * | 2019-12-20 | 2020-04-10 | 广西柳钢环保股份有限公司 | Method for separating slag powder in primary treatment and secondary treatment processes of stainless steel slag |
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| CN103233085A (en) * | 2013-05-09 | 2013-08-07 | 山西太钢不锈钢股份有限公司 | Method for spraying ash and blowing dust in water cooling process of collected stainless steel slag |
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| CN104293990B (en) * | 2014-10-15 | 2017-02-22 | 北海诚德金属压延有限公司 | Steel slag treatment method and steel slag treatment device |
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| Publication number | Publication date |
|---|---|
| CN104293990A (en) | 2015-01-21 |
| CN104293990B (en) | 2017-02-22 |
| CN106350624A (en) | 2017-01-25 |
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