CN100556585C - A kind of non-ferrous slag superfine powder treatment process and system - Google Patents
A kind of non-ferrous slag superfine powder treatment process and system Download PDFInfo
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- CN100556585C CN100556585C CNB2004100913872A CN200410091387A CN100556585C CN 100556585 C CN100556585 C CN 100556585C CN B2004100913872 A CNB2004100913872 A CN B2004100913872A CN 200410091387 A CN200410091387 A CN 200410091387A CN 100556585 C CN100556585 C CN 100556585C
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- slag
- conveyer belt
- tipple
- ferrous
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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
Abstract
The present invention relates to a kind of non-ferrous slag superfine powder treatment process and system, non-ferrous slag is collected in the slag filling, this receiver is transported on the tipple by hanging device; Start described tipple slag is input in the metallurgical granulating device, handle forming grain slag through granulating device; Use a lifting conveyer belt apparatus that described grain slag is transported to a drying chamber, utilize the waste heat of smelting furnace to carry out continuous drying, bake out temperature is 200-300 ℃, and drying time is 0.5-1 minute; Grain slag after described lifting conveyer belt apparatus will be dried is transported in the sorting unit and carries out sorting process, and non-ferrous metal particle is separated with non-metallic particle.
Description
Technical field
The present invention relates to a kind of non-ferrous slag superfine powder treatment process and system, this technology and system can carry out superfine powder to the slag of non-ferrous metals such as aluminium, nickel, chromium and handle, and non-ferrous metal particle is separated with non-metallic particle.
Background technology
02135756 discloses a kind of tilting type steel slag water quenching treatment method; it is provided with water quenching pool; cylinder is installed in the water quenching pool edge; in cylinder one side pelletizer is installed; after molten steel slag is poured in the slag ladle on the slag ladle and carriage; be transported to cooperating of hanger on the suspension hook of water quenching pool place by hoist engine and the slag ladle; slag ladle is tilted; the leading arm of tumbling after turning to certain angle on the slag ladle falls within on the cylinder; making slag ladle is the center rotation slag of slowly tumbling in water quenching pool with the rotating shaft of cylinder again, and the pressure water of pelletizer has sprayed the formation water curtain simultaneously, makes slag enter granulation behind the water curtain; enter then in the water quenching pool, the slag after shrend is seated in to be deposited the slag field and gets final product.Little, the shape comparison rule of slag, the granularity of the present invention after Water Quenching.But this patent is not effectively separated the metal ingredient in the slag with nonmetal composition, is unfavorable for protecting environment and regeneration.And floor space is still bigger during this patent work.Therefore, be necessary to propose a kind of non-ferrous slag superfine powder treatment process and system.
Summary of the invention
The object of the present invention is to provide a kind of non-ferrous slag superfine powder treatment process and system, this technology and system can carry out superfine powder to non-ferrous slag and handle, and non-ferrous metal particle is separated with non-metallic particle.
The objective of the invention is to be realized by following technical proposals: a kind of non-ferrous slag superfine powder treatment process is characterized in that:
Non-ferrous slag is collected in the slag filling, this receiver is transported on the tipple by hanging device;
Start described tipple non-ferrous slag is input in the metallurgical granulating device, handle forming grain slag through granulating device;
Use a lifting conveyer belt apparatus that described grain slag is transported to a drying chamber, utilize the waste heat of smelting furnace to carry out continuous drying, bake out temperature is 200-300 ℃, and drying time is 0.5-1 minute;
Grain slag after described lifting conveyer belt apparatus will be dried is transported in the sorting unit and carries out sorting process, and non-ferrous metal particle is separated with non-metallic particle.
A kind of non-ferrous slag superfine powder treatment system, it is characterized in that: have one receiver is transported to lifting conveying equipment on the tipple, output one side of tumbling of this tipple is connected with the slag input ditch head of a slag granulation plant, this slag granulating slag output bucket is connected with a lifting conveyer belt apparatus, the stage casing of described lifting conveyer belt apparatus is provided with a waste heat drying chamber, and described lifting conveyer belt apparatus exit is provided with a sorting unit; Described tipple is made up of the base of tumbling, the frame of tumbling, the place ahead pillar, elevator hoisting mechanism; Described waste heat drying chamber is communicated with the hot-air output channel of an air heat exchanger by pipeline.
Compared with the prior art the present invention has following advantage:
1, of the present inventionly can shorten the slag handling technology flow process greatly.
2, the present invention adopts the combined type sorting unit to carry out sorting process, can improve the rate of recovery of non-ferrous metal.
3, because the present invention adopts the waste heat of smelting furnace that slag particles is dried, can energy savings.
4, the granulated slag non-ferrous metal content after the present invention handles is low, can regeneration, and the favorable environment protection.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1, system schematic of the present invention
Fig. 2, slag granulation apparatus of the present invention are arranged schematic diagram (A of Fig. 1 is to revolved view)
Fig. 3, grain slag of the present invention oven dry and sorting unit schematic diagram
Fig. 4, pelletizer schematic diagram of the present invention (partial enlarged drawing of Figure 10)
Fig. 5, granulation of the present invention wheel vertical section schematic diagram
Fig. 6, granulation of the present invention wheel axle journal schematic diagram (the D portion enlarged drawing of Fig. 5)
Fig. 7, granulation of the present invention wheel cross sectional representation (the C-C cutaway view of Fig. 5)
Fig. 8, crushing teeth front schematic view of the present invention (E of Fig. 9 is to view)
Fig. 9, crushing teeth schematic cross-section of the present invention
Figure 10, slag granulation plant of the present invention vertical section schematic diagram
The embodiment schematic diagram (profilograph) of Figure 11, a drying chamber of the present invention
The specific embodiment
Embodiment one:
A kind of non-ferrous slag superfine powder treatment process:
Non-ferrous slag is collected in the slag filling, this receiver is transported on the tipple by hanging device;
Start described tipple non-ferrous slag is input in the metallurgical granulating device, handle forming grain slag through granulating device; The particle diameter of described grain slag is less than 6 millimeters, and in the present embodiment, the granulating device disposal ability can reach 2000 tons/day;
Use a lifting conveyer belt apparatus that described grain slag is transported to a drying chamber, utilize the waste heat of smelting furnace to carry out continuous drying, bake out temperature is 200-300 ℃, and drying time is 0.5-1 minute;
Grain slag after described lifting conveyer belt apparatus will be dried is transported in the sorting unit and carries out sorting process, and non-ferrous metal particle is separated with non-metallic particle.In the present embodiment, the separation rate of non-ferrous metal particle can reach 80%.The slag of described non-ferrous metal is meant metallic aluminium slag, metallic nickel slag, crome metal slag etc.
Embodiment two:
Referring to Fig. 1; Fig. 2; Fig. 3; treatment process according to embodiment one; disposed the non-ferrous slag superfine powder treatment system; in this system, there is one receiver 24 is transported to lifting conveying equipment on the tipple; this equipment can be conventional overhead traveling crane 23 or portal jib crane; output one side of tumbling of this tipple 1 is connected with the slag input ditch head 4 of a slag granulation plant 8 by a chute 3; this slag granulating slag output bucket 82 is connected with a lifting conveyer belt apparatus 9; described lifting conveyer belt apparatus can be the high temperature belt conveyor; the stage casing of described lifting conveyer belt apparatus is provided with a waste heat drying chamber 10; described lifting conveyer belt apparatus exit 17 is provided with a sorting unit 18; the grain slag that has been cleaned will fall into second belt machine 16; be transported in the medium-speed pulverizer device 15 by this belt feeder, send into feed bin 14 by belt feeder after in the medium-speed pulverizer device, being processed to fine powder to store standby.Isolated metallic particles falls in the metal collectors 19.In the present embodiment, slag granulation plant is provided with by high service device 2, backwater facility 7, the accessory system that control device 6 constitutes.
In the present embodiment, described sorting unit adopts compound dry separator, and this machine is made up of vibrator 184, sorting bed 186, platen 187, air chamber 181, frame 183 and erecting by overhang 182.The sorting bed is made up of bed surface, backboard, glazing bar, discharge baffle plate.Bed surface has air chamber, and bed surface is provided with wind hole 185, and the air chamber under the bed surface forms air-flow upwards by the centrifugal blower air feed at bed surface, and this air-flow acts on by the material of sorting.By erecting by overhang sorting bed, vibrator are suspended on the frame.In the present embodiment, selected compound dry separator is conventional dry-dressing machine, and this dry-dressing machine detailed structure can be referring to " gravity concentration " book of Coal Industry Press's in August, 2003 publication.
In the present embodiment, described tipple is made up of the base 106 of tumbling, the frame of tumbling 107, the place ahead pillar 108, elevator hoisting mechanism 101.Described elevator hoisting mechanism is made of steel wire rope 102, column 103, fixed pulley 104 movable pulleys 105, and this movable pulley is installed on the frame of tumbling.
In the present embodiment, described waste heat drying chamber is communicated with the hot-air output channel of an air heat exchanger 12 by pipeline, described air heat exchanger is installed on the petticoat pipe 11 of smelting furnace, this air heat exchanger adopts conventional structure, is made of housing, air blast 13, air input channel, hot-air output channel, heat exchanging pipe.Be not described in detail at this.This waste heat drying chamber is a metal cap that is body structure, and the outside is provided with heat-insulation layer, and the top is provided with a plurality of hot gas jets, and the high temperature belt feeder is walked from the waste heat drying chamber.In addition, this air heat exchanger can provide hot-air to medium-speed pulverizer device and waste heat drying chamber simultaneously.
Referring to Figure 11; in order to improve the drying efficiency of grain slag; can adopt the waste heat drying chamber of column structure; described waste heat drying chamber is made of column 110, exhaust outlet 112, hot-air inlets 111, air-locked type bottom valve 113; its top is connected with one-level conveyer belt 91, and the air-locked type bottom valve of its underpart is connected with oven dry material conveyer belt.Described exhaust outlet is installed in the center of top of column, and top and column circumference that described hot-air inlets is installed in column are the tangent line installation.Hot-air forms spiral helicine thermal current after this import enters column, this air-flow fully contacts with the grain slag of whereabouts; oven dry rapidly; waste gas is discharged from exhaust outlet, and the grain slag of oven dry is fallen on the oven dry material conveyer belt 92 from bottom valve, is transported to compound dry separator.
Referring to Figure 10, Fig. 4, Fig. 5, described slag granulation plant is the device of a steel frame construction, and a supporting traverse 84 is arranged, and described supporting traverse is fixed on the reinforced concrete foundation 25; Dehydrator 85, pelletizer 5, discharge assembly 81, grain slag output bucket 82 are housed above the supporting traverse, tank 86 are housed below the supporting traverse; Pushing off the slag cover 83 is equipped with in the exit of pelletizer, and molten slag input ditch head 4 is equipped with in the import department of pelletizer, and described grain slag output bucket upper end extend in the described dehydrator, and its lower end extends on the outer grain slag belt conveyer of dehydrator.The slag granulation plant top is provided with chimney 22.
Referring to Fig. 4 Fig. 5, described pelletizer is made of tunnel type granulation casing 55, granulation wheel 56, granulation wheel drive unit, water injector.Be provided with upper hose 51, downcomer 52 on the granulation casing, water pipe 53,54 at the bottom of two.The granulation wheel drive unit is identical with water injector and prior art, is not described in detail at this.Described dehydrator supports backing ring, support roller device, retaining roller, dehydrator drive unit formation by rotating cylinder, gear ring.The detailed structure and the prior art of dehydrator are basic identical, are not described in detail at this.
Referring to Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9; in order to improve the crushing efficiency of granulation wheel; and improve its service life; in the present embodiment, described granulation wheel two ends respectively are provided with an end plate 561, and a plurality of support disc 566 and a plurality of detachable crushing teeth 562 are housed between described two end plates; this crushing teeth is provided with a plurality of heat radiation wings 5623; described granulation wheel center is provided with an axle sleeve 564, and this axle sleeve left part is equipped with a left half axle 565, and this axle sleeve right part is equipped with a right axle shaft 567.Described detachable crushing teeth is a straight-tooth 5622, and these crushing teeth two ends are provided with adpting flange 5621, and logical this flange and end plate are installed together, and can change easily.For crushing teeth is cooled off, on described axle sleeve, be provided with the ring 563 that splashes.Cooling water enters and is ejected into to splash from the granulation wheel end and encircles, and is sprayed onto on the crushing teeth under the effect of the ring that splashes, and the granulation wheel is cooled off.
Referring to Fig. 6; in order to prevent the frequent variation of temperature when working of granulation wheel; the thermal expansion of left and right half and axle sleeve causes bearings mounted damage; in the present embodiment; be provided with an expansion absorption groove 568 between described axle sleeve left end and the described left half axle, be provided with an expansion absorption groove between described axle sleeve right-hand member and the described right axle shaft.
Claims (3)
1, a kind of non-ferrous slag superfine powder treatment process is characterized in that:
Non-ferrous slag is collected in the receiver, this receiver is transported on the tipple by hanging device;
Start described tipple non-ferrous slag is input in the metallurgical granulating device, handle forming grain slag through granulating device, be provided with the granulation wheel in the described slag granulation plant, the particle diameter of described grain slag is less than 6 millimeters;
Use a lifting conveyer belt apparatus that described grain slag is transported to a drying chamber, utilize the waste heat of smelting furnace to carry out continuous drying, bake out temperature is 200-300 ℃, and drying time is 0.5-1 minute;
Grain slag after described lifting conveyer belt apparatus will be dried is transported in the sorting unit and carries out sorting process, and non-ferrous metal particle is separated with non-metallic particle.
2, a kind of non-ferrous slag superfine powder treatment system, it is characterized in that: have one receiver is transported to lifting conveying equipment on the tipple, output one side of tumbling of this tipple is connected with the slag input ditch head of a slag granulation plant, this slag granulating slag output bucket is connected with a lifting conveyer belt apparatus, the stage casing of described lifting conveyer belt apparatus is provided with a waste heat drying chamber, and described lifting conveyer belt apparatus exit is provided with a sorting unit; Described tipple is made up of the base of tumbling, the frame of tumbling, the place ahead pillar, elevator hoisting mechanism; Described waste heat drying chamber is communicated with the hot-air output channel of an air heat exchanger by pipeline; Be provided with the granulation wheel in the described slag granulation plant; described granulation wheel two ends respectively are provided with an end plate; a plurality of support disc and a plurality of detachable crushing teeth are housed between described two end plates; this crushing teeth is provided with a plurality of heat radiation wings; described granulation wheel center is provided with an axle sleeve; this axle sleeve left part is equipped with a left half axle; this axle sleeve right part is equipped with a right axle shaft; be provided with an expansion absorption groove between described axle sleeve left end and the described left half axle, be provided with an expansion absorption groove between described axle sleeve right-hand member and the described right axle shaft.
3, a kind of non-ferrous slag superfine powder treatment system, it is characterized in that: have one receiver is transported to lifting conveying equipment on the tipple, output one side of tumbling of this tipple is connected with the slag input ditch head of a slag granulation plant, this slag granulating slag output bucket is connected with a lifting conveyer belt apparatus, the stage casing of described lifting conveyer belt apparatus is provided with a waste heat drying chamber, and described lifting conveyer belt apparatus exit is provided with a sorting unit; Described tipple is made up of the base of tumbling, the frame of tumbling, the place ahead pillar, elevator hoisting mechanism; Described waste heat drying chamber is communicated with the hot-air output channel of an air heat exchanger by pipeline; Described waste heat drying chamber is made of column, exhaust outlet, air inlet, air-locked type bottom valve, and its top is connected with the one-level conveyer belt, and the air-locked type bottom valve of its underpart is connected with oven dry material conveyer belt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100913872A CN100556585C (en) | 2004-11-25 | 2004-11-25 | A kind of non-ferrous slag superfine powder treatment process and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100913872A CN100556585C (en) | 2004-11-25 | 2004-11-25 | A kind of non-ferrous slag superfine powder treatment process and system |
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| CN1778500A CN1778500A (en) | 2006-05-31 |
| CN100556585C true CN100556585C (en) | 2009-11-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101993963B (en) * | 2009-08-28 | 2012-07-18 | 唐山市嘉恒实业有限公司 | Method and device for treating low-temperature metallurgical slag |
| CN102464457B (en) * | 2010-11-05 | 2013-05-22 | 唐山市嘉恒实业有限公司 | Granulation wheel for metallurgy slag processing apparatus |
| CN103215393B (en) * | 2013-04-27 | 2014-07-30 | 河北钢铁股份有限公司邯郸分公司 | Metallurgical liquid-state slag treatment process and equipment |
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