CN109534701A - A kind of processing method of Water Quenching Slag - Google Patents
A kind of processing method of Water Quenching Slag Download PDFInfo
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- CN109534701A CN109534701A CN201811476710.6A CN201811476710A CN109534701A CN 109534701 A CN109534701 A CN 109534701A CN 201811476710 A CN201811476710 A CN 201811476710A CN 109534701 A CN109534701 A CN 109534701A
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- slag
- water quenching
- cinder
- water
- processing method
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- 239000002893 slag Substances 0.000 title claims abstract description 141
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000010791 quenching Methods 0.000 title claims abstract description 107
- 230000000171 quenching effect Effects 0.000 title claims abstract description 107
- 238000003672 processing method Methods 0.000 title claims abstract description 22
- 239000003818 cinder Substances 0.000 claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 40
- 238000011010 flushing procedure Methods 0.000 claims abstract description 38
- 239000000571 coke Substances 0.000 claims abstract description 27
- 238000009491 slugging Methods 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000498 cooling water Substances 0.000 claims abstract description 17
- 239000004615 ingredient Substances 0.000 claims abstract description 16
- 239000000470 constituent Substances 0.000 claims abstract description 15
- 238000003723 Smelting Methods 0.000 claims abstract description 7
- 239000012943 hotmelt Substances 0.000 claims abstract description 6
- 238000010079 rubber tapping Methods 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 238000004321 preservation Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000010883 coal ash Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- 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
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
- C04B5/06—Ingredients, other than water, added to the molten slag or to the granulating medium or before remelting; Treatment with gases or gas generating compounds, e.g. to obtain porous slag
- C04B5/065—Porous slag
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/26—Cements from oil shales, residues or waste other than slag from raw materials containing flue dust, i.e. fly ash
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/28—Cements from oil shales, residues or waste other than slag from combustion residues, e.g. ashes or slags from waste incineration
-
- 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
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Manufacture Of Iron (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of processing methods of Water Quenching Slag, specifically includes the following steps: S1, pretreatment of slag S2, slag treatment: first, by steel slag and cinder pretreated in step 1, the composition regulations constituents mixt such as coke and gangue is placed in high-temperature smelting pot of the temperature not less than 1450 DEG C and carries out slag, then, 1550 DEG C are gradually heated to, molten state is presented in the mixture of heat preservation a period of time to the composition regulations ingredient such as steel slag and cinder；S3, Water Quenching: the high temperature hot melt clinker in step 2 after slag treatment is flowed into slag ladle via tapping hole first; it will be sent after the cooling water pressurization inside sink to cinder-flushing groove head by circulating water supply pump and carry out water quenching granulating; finally; water quenching slugging obtains Water Quenching Slag after draining; the invention enables steel slags after modified with reduction; so that steel slag can be improved the rate of recovery of iron after water quenching; and then improve the utilization rate of steel slag; the Water Quenching Slag with good cementing property is formed after water quenching simultaneously, improves the processing performance of Water Quenching Slag.
Description
Technical field
Invention is related to Water Quenching Slag processing technique field, specially a kind of processing method of Water Quenching Slag.
Background technique
Water Quenching Slag is the abbreviation of water quenching alkalinity iron-tion slag, is that a kind of rough surface is porous, quality is gently crisp, is easily broken
Slag sand, the clinker etc. for producing Water Quenching Slag is a kind of byproduct that purposes is little for metallurgical industry, but is being built
The raw material that industry is great potential are built, the Water Quenching Slag that these clinkers are formed after Water Quenching can be used for making cement ripe
Material, the materials such as construction material, development prospect is considerable, high financial profit.
But existing during preparing Water Quenching Slag in the raw material such as steel slag clinker, the oxygen of the contained iron of steel slag itself
Compound is more, if carrying out Water Quenching merely, not only influencing water quenching process also causes the rate of recovery of ferro element lower, while
Meeting is unfavorable for preparing the Water Quenching Slag compared with good cementing property so that the gelling of itself of Water Quenching Slag obtained is poor, and then influences water
It quenches the processing performance of slag, for this purpose, we have proposed a kind of processing methods of Water Quenching Slag.
Summary of the invention
The processing method for being designed to provide a kind of Water Quenching Slag of invention, to solve mentioned above in the background art ask
Topic.
To achieve the above object, invention provides the following technical solutions: a kind of processing method of Water Quenching Slag specifically includes following
Step:
S1, pretreatment of slag: firstly, steel slag is mixed postposition with composition regulations ingredients such as cinder, coke and gangues
In the largest particles diameter that is broken to rough and torn in jaw crusher less than 8 millimeters, then, using chats ball mill to the steel slag after rough and torn
Mixture carries out grinding to the largest particles diameter less than 2 millimeters；
S2, slag treatment: firstly, by steel slag and cinder pretreated in step 1, the components tune such as coke and gangue
Section constituents mixt is placed in high-temperature smelting pot of the temperature not less than 1450 DEG C and carries out slag, then, is gradually heated to 1550 DEG C, heat preservation
Molten state is presented in the mixture of a period of time to the composition regulations ingredient such as steel slag and cinder；
S3, Water Quenching: the high temperature hot melt clinker in step 2 after slag treatment is flowed into slag via tapping hole first
Tank, high temperature heat clinker and flow into cinder-flushing groove head through slag ladle, then, will be after the cooling water pressurization inside sink by circulating water supply pump
It send to cinder-flushing groove head and carries out water quenching granulating, the water quenching slugging of generation enters water quenching slag bath through chute, finally, water quenching slugging is through dripping
Finished product Water Quenching Slag is obtained after dry.
Preferably, jaw crusher described in step 1 use the type jaw crusher of model PE250 × 750, it is described in
900 × 3000 type chats ball mill of model Φ of mine ball mill, revolving speed are 36 revs/min, ratio of grinding media to material 20:1.
Preferably, composition regulation ingredient described in step 1 is made of the raw material of following weight proportion: 65-70 parts of cinder, coke
15-20 parts of charcoal, 16-20 parts of gangue and 15-18 parts of inferior pulverized-coal ash.
Preferably, the composition regulations such as steel slag described in step 2 and cinder, coke and gangue constituents mixt is carrying out
Alkalinity ranges when slag are 1.0-2.0.
Preferably, heating rate described in step 2 is 5-8 DEG C/min, and soaking time is not less than 40min.
Preferably, it is 35-40 DEG C that the technological parameter of Water Quenching described in step 3, which is the temperature of cooling water, flushing cinder hydraulic pressure
For 0.5-0.8MPa, flushing cinder speed is 2-4 (tmin-1) and cooling water consumption is 0.6-1.0 (tt-1).
Preferably, the composition regulations constituents mixt such as steel slag and cinder described in step 3, coke and gangue through water quenching at
Obtain water quenching slugging and reduced iron after reason, reduced iron is deposited in Water Quenching Slag bottom of pond portion, the water quenching slugging drained so that its from
Body moisture content is 12-15%.
Preferably, flushing cinder chute described in step 3 uses horseshoe type chute, and the gradient is not less than 5%, the cinder-flushing groove head
The mounting height for locating nozzle is consistent with the gradient of flushing cinder chute.
Compared with prior art, advantageous effect of the invention is:
1, the processing method of the Water Quenching Slag, for a certain proportion of cinder, coke and coal are added before steel slag water quenchingization
The composition regulations ingredient such as spoil, so that steel slag is in steel slag using the sensible heat generated during steel slag slag after modified with reduction
The reduction of the oxide of iron contained by portion improves necessary heat, so that steel slag is after water quenching, so that contained by steel slag
The oxide of iron is reduced into ferro element deposition, improves the rate of recovery of iron, and then improve the utilization rate of steel slag.
2, the processing method of the Water Quenching Slag, being formed after water quenching through the steel slag after modified with reduction has similar Blast Furnace Ore
The Water Quenching Slag of the good cementing property of slag improves the processing performance of Water Quenching Slag, so that Water Quenching Slag is for making clinker, construction material
The performance of equal materials increases.
3, the processing method of the Water Quenching Slag, carry out the Water Quenching of final step: the technological parameter of Water Quenching is cooling
The temperature of water is 35-40 DEG C, and flushing cinder hydraulic pressure is 0.5-0.8MPa, and flushing cinder speed is 2-4 (tmin-1) and cooling-water consumption
Amount is 0.6-1.0 (tt-1), and the technological parameter of the Water Quenching makes the water quenching rate of entire water quenching process higher, is conducive to
The yield for improving Water Quenching Slag, increases economic efficiency.
Detailed description of the invention
Fig. 1 is a kind of process flow diagram of the processing method of Water Quenching Slag.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
Referring to Fig. 1, invention provides a kind of technical solution: a kind of processing method of Water Quenching Slag, specifically includes the following steps:
S1, pretreatment of slag: firstly, steel slag is mixed postposition with composition regulations ingredients such as cinder, coke and gangues
In the largest particles diameter that is broken to rough and torn in jaw crusher less than 8 millimeters, then, using chats ball mill to the steel slag after rough and torn
Mixture carries out grinding to the largest particles diameter less than 2 millimeters；
S2, slag treatment: firstly, by steel slag and cinder pretreated in step 1, the components tune such as coke and gangue
Section constituents mixt is placed in high-temperature smelting pot of the temperature not less than 1450 DEG C and carries out slag, then, is gradually heated to 1550 DEG C, heat preservation
Molten state is presented in the mixture of a period of time to the composition regulations ingredient such as steel slag and cinder；
S3, Water Quenching: the high temperature hot melt clinker in step 2 after slag treatment is flowed into slag via tapping hole first
Tank, high temperature heat clinker and flow into cinder-flushing groove head through slag ladle, then, will be after the cooling water pressurization inside sink by circulating water supply pump
It send to cinder-flushing groove head and carries out water quenching granulating, the water quenching slugging of generation enters water quenching slag bath through chute, finally, water quenching slugging is through dripping
Finished product Water Quenching Slag is obtained after dry.
Preferably, jaw crusher described in step 1 use the type jaw crusher of model PE250 × 750, it is described in
900 × 3000 type chats ball mill of model Φ of mine ball mill, revolving speed are 36 revs/min, ratio of grinding media to material 20:1.
Preferably, composition regulation ingredient described in step 1 is made of the raw material of following weight proportion: 68 parts of cinder, coke
18 parts, 18 parts of gangue and 16 parts of inferior pulverized-coal ash.
Preferably, the composition regulations such as steel slag described in step 2 and cinder, coke and gangue constituents mixt is carrying out
Basicity when slag is 1.5.
Preferably, heating rate described in step 2 is 6 DEG C/min, soaking time 40min.
Preferably, it is 37 DEG C that the technological parameter of Water Quenching described in step 3, which is the temperature of cooling water, and flushing cinder hydraulic pressure is
0.7MPa, flushing cinder speed is 3 (tmin-1) and cooling water consumption is 0.6-1.0 (tt-1).
Preferably, the composition regulations constituents mixt such as steel slag and cinder described in step 3, coke and gangue through water quenching at
Obtain water quenching slugging and reduced iron after reason, reduced iron is deposited in Water Quenching Slag bottom of pond portion, the water quenching slugging drained so that its from
Body moisture content is 14%.
Preferably, flushing cinder chute described in step 3 uses horseshoe type chute, and the gradient 5% is sprayed at the cinder-flushing groove head
The mounting height of mouth is consistent with the gradient of flushing cinder chute.
Embodiment two:
Referring to Fig. 1, invention provides a kind of technical solution: a kind of processing method of Water Quenching Slag, specifically includes the following steps:
S1, pretreatment of slag: firstly, steel slag is mixed postposition with composition regulations ingredients such as cinder, coke and gangues
In the largest particles diameter that is broken to rough and torn in jaw crusher less than 8 millimeters, then, using chats ball mill to the steel slag after rough and torn
Mixture carries out grinding to the largest particles diameter less than 2 millimeters；
S2, slag treatment: firstly, by steel slag and cinder pretreated in step 1, the components tune such as coke and gangue
Section constituents mixt is placed in high-temperature smelting pot of the temperature not less than 1450 DEG C and carries out slag, then, is gradually heated to 1550 DEG C, heat preservation
Molten state is presented in the mixture of a period of time to the composition regulations ingredient such as steel slag and cinder；
S3, Water Quenching: the high temperature hot melt clinker in step 2 after slag treatment is flowed into slag via tapping hole first
Tank, high temperature heat clinker and flow into cinder-flushing groove head through slag ladle, then, will be after the cooling water pressurization inside sink by circulating water supply pump
It send to cinder-flushing groove head and carries out water quenching granulating, the water quenching slugging of generation enters water quenching slag bath through chute, finally, water quenching slugging is through dripping
Finished product Water Quenching Slag is obtained after dry.
Preferably, jaw crusher described in step 1 use the type jaw crusher of model PE250 × 750, it is described in
900 × 3000 type chats ball mill of model Φ of mine ball mill, revolving speed are 36 revs/min, ratio of grinding media to material 20:1.
Preferably, composition regulation ingredient described in step 1 is made of the raw material of following weight proportion: 65 parts of cinder, coke
15 parts, 16 parts of gangue and 15 parts of inferior pulverized-coal ash.
Preferably, the composition regulations such as steel slag described in step 2 and cinder, coke and gangue constituents mixt is carrying out
Alkalinity ranges when slag are 1.0.
Preferably, heating rate described in step 2 is 5 DEG C/min, soaking time 45min.
Preferably, it is 35 DEG C that the technological parameter of Water Quenching described in step 3, which is the temperature of cooling water, and flushing cinder hydraulic pressure is
0.5MPa, flushing cinder speed is 2 (tmin-1) and cooling water consumption is 0.6 (tt-1).
Preferably, the composition regulations constituents mixt such as steel slag and cinder described in step 3, coke and gangue through water quenching at
Obtain water quenching slugging and reduced iron after reason, reduced iron is deposited in Water Quenching Slag bottom of pond portion, the water quenching slugging drained so that its from
Body moisture content is 12%.
Preferably, flushing cinder chute described in step 3 uses horseshoe type chute, and the gradient 5% is sprayed at the cinder-flushing groove head
The mounting height of mouth is consistent with the gradient of flushing cinder chute.
Embodiment three:
Referring to Fig. 1, invention provides a kind of technical solution: a kind of processing method of Water Quenching Slag, specifically includes the following steps:
S1, pretreatment of slag: firstly, steel slag is mixed postposition with composition regulations ingredients such as cinder, coke and gangues
In the largest particles diameter that is broken to rough and torn in jaw crusher less than 8 millimeters, then, using chats ball mill to the steel slag after rough and torn
Mixture carries out grinding to the largest particles diameter less than 2 millimeters；
S2, slag treatment: firstly, by steel slag and cinder pretreated in step 1, the components tune such as coke and gangue
Section constituents mixt is placed in high-temperature smelting pot of the temperature not less than 1450 DEG C and carries out slag, then, is gradually heated to 1550 DEG C, heat preservation
Molten state is presented in the mixture of a period of time to the composition regulations ingredient such as steel slag and cinder；
S3, Water Quenching: the high temperature hot melt clinker in step 2 after slag treatment is flowed into slag via tapping hole first
Tank, high temperature heat clinker and flow into cinder-flushing groove head through slag ladle, then, will be after the cooling water pressurization inside sink by circulating water supply pump
It send to cinder-flushing groove head and carries out water quenching granulating, the water quenching slugging of generation enters water quenching slag bath through chute, finally, water quenching slugging is through dripping
Finished product Water Quenching Slag is obtained after dry.
Preferably, jaw crusher described in step 1 use the type jaw crusher of model PE250 × 750, it is described in
900 × 3000 type chats ball mill of model Φ of mine ball mill, revolving speed are 36 revs/min, ratio of grinding media to material 20:1.
Preferably, composition regulation ingredient described in step 1 is made of the raw material of following weight proportion: 70 parts of cinder, coke
20 parts, 20 parts of gangue and 18 parts of inferior pulverized-coal ash.
Preferably, the composition regulations such as steel slag described in step 2 and cinder, coke and gangue constituents mixt is carrying out
Alkalinity ranges when slag are 2.0.
Preferably, heating rate described in step 2 is 8 DEG C/min, soaking time 45min.
Preferably, it is 40 DEG C that the technological parameter of the Water Quenching described in step 3, which is the temperature of cooling water, flushing cinder hydraulic pressure
For 0.8MPa, flushing cinder speed is 4 (tmin-1) and cooling water consumption is 1.0 (tt-1).
Preferably, the composition regulations constituents mixt such as steel slag and cinder described in step 3, coke and gangue through water quenching at
Obtain water quenching slugging and reduced iron after reason, reduced iron is deposited in Water Quenching Slag bottom of pond portion, the water quenching slugging drained so that its from
Body moisture content is 15%.
Preferably, flushing cinder chute described in step 3 uses horseshoe type chute, and the gradient 5% is sprayed at the cinder-flushing groove head
The mounting height of mouth is consistent with the gradient of flushing cinder chute.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of processing method of Water Quenching Slag, it is characterised in that: specifically includes the following steps:
S1, pretreatment of slag: jaw is placed on firstly, steel slag is mixed with composition regulations ingredients such as cinder, coke and gangues
The rough and torn the largest particles diameter that is broken to is less than 8 millimeters in formula crusher, then, is mixed using chats ball mill to the steel slag after rough and torn
Object carries out grinding to the largest particles diameter less than 2 millimeters；
S2, slag treatment: firstly, by steel slag and cinder pretreated in step 1, the composition regulations such as coke and gangue at
Divide mixture to be placed in high-temperature smelting pot of the temperature not less than 1450 DEG C and carry out slag, then, is gradually heated to 1550 DEG C, keeps the temperature one section
Molten state is presented in the mixture of time to the composition regulations ingredient such as steel slag and cinder；
S3, Water Quenching: flowing into slag ladle via tapping hole for the high temperature hot melt clinker in step 2 after slag treatment first, high
Warm smelting through slag ladle flow into cinder-flushing groove head, then, by circulating water supply pump by inside sink cooling water pressurization after send to
Cinder-flushing groove head carries out water quenching granulating, and the water quenching slugging of generation enters water quenching slag bath through chute, finally, water quenching slugging is after draining
Obtain finished product Water Quenching Slag.
2. a kind of processing method of Water Quenching Slag as described in claim 1, it is characterised in that: jaw crusher described in step 1
The type jaw crusher of model PE250 × 750 of use, 900 × 3000 type chats ball of model Φ of the chats ball mill
Grinding machine, revolving speed are 36 revs/min, ratio of grinding media to material 20:1.
3. a kind of processing method of Water Quenching Slag as described in claim 1, it is characterised in that: composition regulation described in step 1 at
Divide and be made of the raw material of following weight proportion: 65-70 parts of cinder, 15-20 parts of coke, 16-20 parts of gangue and fine coal inferior
It is 15-18 parts grey.
4. a kind of processing method of Water Quenching Slag as described in claim 1, it is characterised in that: steel slag described in step 2 and cinder,
Alkalinity ranges of the composition regulations such as the coke and gangue constituents mixt when carrying out slag are 1.0-2.0.
5. a kind of processing method of Water Quenching Slag as described in claim 1, it is characterised in that: heating rate described in step 2 is
5-8 DEG C/min, soaking time is not less than 40min.
6. a kind of processing method of Water Quenching Slag as described in claim 1, it is characterised in that: Water Quenching described in step 3
Technological parameter is that the temperature of cooling water is 35-40 DEG C, and flushing cinder hydraulic pressure is 0.5-0.8MPa, and flushing cinder speed is 2-4 (tmin-1) with
And cooling water consumption is 0.6-1.0 (tt-1)。
7. a kind of processing method of Water Quenching Slag as described in claim 1, it is characterised in that: steel slag and cinder described in step 3, coke
The composition regulations constituents mixt such as charcoal and gangue obtains water quenching slugging and reduced iron after Water Quenching, and reduced iron is in water quenching
Slag bath bottom deposit, the water quenching slugging is drained so that its own moisture content is 12-15%.
8. a kind of processing method of Water Quenching Slag as described in claim 1, it is characterised in that: flushing cinder chute described in step 3 is adopted
With horseshoe type chute, the gradient is not less than 5%, the gradient one of the mounting height of nozzle and flushing cinder chute at the cinder-flushing groove head
It causes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476710.6A CN109534701A (en) | 2018-12-05 | 2018-12-05 | A kind of processing method of Water Quenching Slag |
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| CN113213863A (en) * | 2021-05-11 | 2021-08-06 | 和县飞竣新型建材有限公司 | High-gelation water-quenched slag permeable pavement material and manufacturing method thereof |
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| JP2718930B2 (en) * | 1987-09-21 | 1998-02-25 | 川崎製鉄株式会社 | Granulation equipment |
| CN1718554A (en) * | 2004-07-08 | 2006-01-11 | 武汉科技大学 | Treatment method of vanadium containing converter steel slag |
| CN106348626A (en) * | 2016-08-25 | 2017-01-25 | 安徽工业大学 | Method for recovering converter molten steel slag to produce concrete admixture |
| CN108658483A (en) * | 2018-01-12 | 2018-10-16 | 华南理工大学 | A kind of method that slag reduction recycling iron and secondary slag prepare complementary cementitious material |
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| JP2718930B2 (en) * | 1987-09-21 | 1998-02-25 | 川崎製鉄株式会社 | Granulation equipment |
| CN1718554A (en) * | 2004-07-08 | 2006-01-11 | 武汉科技大学 | Treatment method of vanadium containing converter steel slag |
| CN106348626A (en) * | 2016-08-25 | 2017-01-25 | 安徽工业大学 | Method for recovering converter molten steel slag to produce concrete admixture |
| CN108658483A (en) * | 2018-01-12 | 2018-10-16 | 华南理工大学 | A kind of method that slag reduction recycling iron and secondary slag prepare complementary cementitious material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113213863A (en) * | 2021-05-11 | 2021-08-06 | 和县飞竣新型建材有限公司 | High-gelation water-quenched slag permeable pavement material and manufacturing method thereof |
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