CN101538622A - Steel slag wind-crushing system - Google Patents
Steel slag wind-crushing system Download PDFInfo
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- CN101538622A CN101538622A CN200910029440A CN200910029440A CN101538622A CN 101538622 A CN101538622 A CN 101538622A CN 200910029440 A CN200910029440 A CN 200910029440A CN 200910029440 A CN200910029440 A CN 200910029440A CN 101538622 A CN101538622 A CN 101538622A
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- slag
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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
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Abstract
The invention relates to a steel slag wind-crushing system which belongs to the steel slag treatment and is characterized in that a slag water sucking and separating device is arranged between a slag tank in a slag pretreating device and a magnetic separation belt in a slag separating device, wherein the slag water sucking and separating device mainly comprises a slag water sucker, a slag water pipeline, a slag water primary separating device, a slag water secondary separating device and a slag water third-stage separating device, a water return tank is arranged between the slag water primary separating device, the slag water secondary separating device and the slag water third-stage separating device and the slag tank; the outer side of a slag place is provided with a water circulating device, the water circulating device comprises a circulating water sedimentation tank, an absorbing well and a high-pressure pump which are sequentially connected, the high pressure pump is connected with the slag water sucker through a pipe, the periphery of a water-cooling granulator is additionally provided with a water-cooling sleeve and a water inlet pipe, a steam and dust collector of a dust-laying spraying device and a noise shielding chamber are arranged above the slag place of the slag tank, and the shielding chamber is externally provided with a steam and dust discharging pipe, a dust-laying chamber, a steam discharging pipeline and a steam discharging chimney which are sequentially connected. The invention treats the slag on-line so as to effectively utilize the resource, lowers the cost and reduces the consumption, saves the energy and reduces the emission, thereby meeting the environmental-friendly requirement.
Description
Technical field
The invention belongs to metallurgical slag produced from steel-smelting and handle particularly a kind of slag treatment system.
Background technology
It is that an important ring in the chain is produced in modern metallurgical industry that slag is handled, and its technical process and treatment process have not only determined working efficiency and the processing cost that slag is handled, and also directly cause its product can utilize degree, also can bring different influences to environment simultaneously.
Original slag treatment technology is roughly online pre-treatment of high-temperature liquid state slag and the deep processing of normal temperature solid steel slag off-line.And the online pre-treatment of high-temperature liquid state slag has several different methods, generally is close in smelting furnace and arranges that wherein the steel slag wind-crushing granulation is than one of typical method; The deep processing of normal temperature solid steel slag off-line generally is located in the slag field, mainly refers to further handle by fragmentation, screening, magnetic separation etc., selects steel scrap or scrap iron, and makes the tailings granularity reach the requirement of back step operation.Above slag treatment technology is widely used in production practice, but also has the shortcoming and defect of following several respects:
1. pre-treatment separates with deep processing, and slag is had bad luck through secondary, increases running cost, or does not establish deep processing, and slag separates without slag, steel, the limited resources loss;
2. must occupy cultivated land, ad hoc slag field and deep processing line, form secondary pollution;
3. the slag of storing up in the pond only relies on lifting machine to grasp in the broken gap of wind, and there is potential safety hazard in the crane job limited time and does not satisfy the demand that continuity is produced;
4. pelletizer scorching hot distortion because of high velocity air rubs causes air turbulence, has influence on slag granulation effect;
5. noise, dust, the steam of wind in broken brings detrimentally affect to environment.
Summary of the invention
The purpose of this invention is to provide a kind of steel slag wind-crushing system; both can online treatment high-temperature liquid state slag; again can the absorption of canbe used on line pulp water, the sorting of separation and steel, slag, carry storage; the more efficient use resource, fall and originally subtract consumption, energy-saving and emission-reduction, further satisfy environmental protection requirement.
The object of the present invention is achieved like this: a kind of steel slag wind-crushing system comprises the slag pretreatment unit; slag steel tripping device and product are carried; handler; slag pretreatment unit and slag steel tripping device and product are carried; handler is provided with separately respectively; wherein the slag pretreatment unit comprises the tundish that are connected mutually successively; the water-cooling granulating device; slag bath; slag level ground and housing; slag steel tripping device and product are carried; handler comprises the magnetic separation conveyor that is connected mutually successively; magnetic separator; conveyor; high hopper and dumping device is characterized in that: be provided with pulp water between slag bath in the slag pretreatment unit and the magnetic separation conveyor in the slag steel tripping device in the slag bath outside and draw and tripping device.
Above-mentioned pulp water is drawn with tripping device and is comprised that pulp water extractor installation locator slide, pulp water extractor, pulp water pipeline, pulp water flash trapping stage device, pulp water secondary separation device and pulp water separate device for three grades; The pulp water extractor is connected with pulp water flash trapping stage device by the pulp water pipeline, pulp water flash trapping stage device is positioned at the top, set gradually pulp water secondary separation device and pulp water on its right side from top to bottom and separate device for three grades, pulp water flash trapping stage device and pulp water secondary separation device and pulp water separate device for three grades and are connected mutually successively, separate between device and the slag bath being provided with the backwater mortise pulp water one-level, secondary, three grades.
Above-mentioned pulp water extractor is the steel construction cavity that contains the suction inlet gate; Pulp water flash trapping stage device is a steel structure body, constitute by drainage bucket and worm conveyor, promptly worm conveyor is installed in the bottom of drainage bucket, the pulp water secondary separation device is separated device with three grades of pulp waters and is vibratory screening apparatus formula steel structure body, constitute by vibrating motor and sieve, the screen cloth of drive-type band vibrating motor promptly is installed on steel frame.
In addition, the arranged outside water circle device on the slag level ground, water circle device comprise recirculated water settling tank, suction well and the high-pressure pump that is connected successively, and high-pressure pump is connected with the pulp water extractor through pipeline
As a kind of improvement of the present invention, set up the water jacket of taking water pipe and water inlet pipe out of in the periphery of water-cooling granulating device, utilize the water cycle cooling.
As another kind of improvement the of the present invention, steam, the double noise isolation chamber of dust capture and steam discharge device are set above slag bath, slag level ground, and steam, dust capture double noise isolation chamber and steam discharge device mainly is made up of steam, the double noise isolation chamber of dust capture, depositing dust spray equipment, vapour dirt discharge line, falling dust room, vapour-discharge tube road and steam discharge chimney; Wherein the depositing dust spray equipment is installed in steam, dust captures the top of holding concurrently the noise isolation chamber interior, captures between the outdoor vapour dirt discharge line of noise isolation of holding concurrently, falling dust room, vapour-discharge tube road and the steam discharge chimney at steam, dust to be connected successively.
It is the concrete steel structure that above-mentioned steam, dust capture the noise isolation chamber of holding concurrently, and side wall is made of steel construction and sound absorbent material, and the top is water seal steel deck-plate or turnover panel.
The steel slag wind-crushing system that the present invention proposes has the following advantages:
1. need not newly account for the arable land, need not ad hoc slag field;
2. pre-treatment and deep processing organically combine, and the pre-treatment output enters the deep processing line at once and handles, and product can directly utilize substantially; Arrange compact, floor space is little, simultaneously not only avoid the slag secondary to have bad luck the increase of the running cost of bringing, the also online slag, steel of having carried out separates, limited resources are fully used, it is close in the smelting furnace layout in addition, but cooperates closely synchronous operation with metallurgical furnace production, can improve automatic control level to greatest extent;
3. the innovation of the absorption of slag and water and separating technology and technology, it is key one ring that this processing treatment line is formed a connecting link, not only overcome the slag in the slag bath and can only rely on lifting machine to grasp the drawback that exists, made effectively that also the raising of balanced production and automatic control level is achieved;
4. the water that obtains after handling through the pulp water tripping device is back to slag bath, has realized the recycle of water;
5. pelletizer band water jacket not only efficiently solves because of scorching hot distortion, influences slag granulation effect, and has improved greatly its work-ing life;
6. steam, dust capture setting up of the noise isolation cover of holding concurrently, and have covered the noise during wind is broken greatly, be that the collection of dust, steam discharges conclusive one, have overcome steam, dust, noise and have brought detrimentally affect to environment.
Description of drawings
Below in conjunction with drawings and Examples steel slag wind-crushing system proposed by the invention is further described.
Fig. 1 is technical process, device configuration and the logistics synoptic diagram of steel slag wind-crushing system proposed by the invention.
Fig. 2 is a water-cooling granulating device synoptic diagram.
Fig. 3 is the technology floor plan synoptic diagram of the steel slag wind-crushing system that proposes of the present invention.
Fig. 4 is that the A-A section is arranged synoptic diagram among Fig. 3.
Fig. 5 is that the B-B section is arranged synoptic diagram among Fig. 3.
At Fig. 1; Fig. 2; Fig. 3; Fig. 4; among Fig. 5: 1; slag pot tipping device 2; slag ladle 3; tundish 4; water-cooling granulating device 5; housing 6; slag bath 7; slag level ground 8; steam; dust captures the noise isolation chamber 9 of holding concurrently; high-pressure pump 10; the pulp water extractor is installed locator slide 11; pulp water extractor 12; pulp water pipeline 13; pulp water flash trapping stage device 14; pulp water secondary separation device 15; pulp water separates device 16 for three grades; receiving hopper 17; magnetic separation conveyor 18; magnetic separator 19; distribute chute 20; tailings conveyor 21; steel scrap conveyor 22; conveyor 23; high hopper 24; dumping device 25; recirculated water settling tank 26; suction well 27; depositing dust spray equipment 28; vapour dirt discharge line 29; falling dust room 30; vapour-discharge tube road 31; steam is discharged chimney 32; return flume 33; forklift 34; hopper 35; wagon tremie 36; water jacket 37; water inlet pipe
Embodiment
Steel slag wind-crushing system as shown in Figure 3 comprises the slag pretreatment unit, slag steel tripping device and product are carried, handler, slag pretreatment unit and slag steel tripping device and product are carried, handler becomes to be arranged vertically and is provided with separately respectively, wherein the slag pretreatment unit comprises the tundish 3 that are connected mutually successively, water-cooling granulating device 4 and slag bath 6, slag level ground 7 and housing 5, slag steel tripping device and product are carried, handler comprises the magnetic separation conveyor 17 that is connected mutually successively, magnetic separator 18, distribute chute 19, tailings conveyor 20, steel scrap conveyor 21, conveyor 22, high hopper 23 and dumping device 24 is characterized in that: be provided with pulp water between slag bath 6 in the slag pretreatment unit and the magnetic separation conveyor 17 in slag bath 6 right lateral slag steel tripping devices and draw and tripping device; In addition, the right arranged outside water circle device on slag level ground 7, water circle device comprise recirculated water settling tank 25, suction well 26 and the high-pressure pump 9 that is connected mutually successively, and high-pressure pump 9 is connected with pulp water extractor 11 through pipeline.
As can be seen from Figure 5, pulp water is drawn with tripping device and is comprised that pulp water extractor installation locator slide 10 separates device 15 for three grades with pulp water extractor 11, pulp water pipeline 12, pulp water flash trapping stage device 13, pulp water secondary separation device 14 and pulp water; Pulp water extractor 11 is connected with pulp water flash trapping stage device 13 by pulp water pipeline 12, pulp water flash trapping stage device 13 is positioned at the top, set gradually the pulp water secondary separation device 14 that overlaps from top to bottom on the right side of pulp water flash trapping stage device 13 and separate device 15 for three grades with pulp water, separate between device 13,14,15 and the slag bath 6 pulp water one-level, secondary, three grades and to be provided with backwater mortise 32, the pulp water extractor is installed locator slide 10 and is used to install pulp water extractor 11, and pulp water extractor 11 is for containing the steel construction cavity of suction inlet gate; Pulp water flash trapping stage device 13 is a steel structure body, is made of drainage bucket and worm conveyor, promptly in the bottom of drainage bucket worm conveyor is installed; Pulp water secondary separation device 14 is separated device 15 with three grades of pulp waters and is vibratory screening apparatus formula steel structure body, is made of vibrating motor and sieve, and the screen cloth of drive-type band vibrating motor promptly is installed on steel frame.
As can be seen from Figure 2, set up the water jacket 36 of taking water pipe and water inlet pipe 37 out of, utilize the water cycle cooling in the periphery of water-cooling granulating device 4.
From Fig. 3 and Fig. 4 as can be known, be provided with steam, the double noise isolation chamber of dust capture and steam discharge device above slag bath 6, slag level ground 7, this steam, dust capture double noise isolation chamber and steam discharge device mainly is made up of steam, the double noise isolation chamber 8 of dust capture, depositing dust spray equipment 27, vapour dirt discharge line 28, falling dust room 29, vapour-discharge tube road 30 and steam discharge chimney 31; Wherein, steam, dust capture the top that the noise isolation chamber 8 of holding concurrently is positioned at slag bath 6, slag level ground 7, depositing dust spray equipment 27 is installed in steam, dust captures noise isolation chamber 8 inner and upper of holding concurrently, vapour dirt discharge line 28, falling dust room 29, vapour-discharge tube road 30 and steam outside steam, dust capture the noise isolation chamber 8 of holding concurrently are discharged between the chimney 31 and are connected successively, and vapour dirt discharge line 28 captures the noise isolation chamber 8 of holding concurrently with steam, dust and is connected.
Slag pot tipping device 1 slag ladle 2 that fascinates, the high-temperature liquid state slag is blended into tundish 3 from slag ladle 2, the water-cooling granulating device 4 of flowing through then, the pressure flow of housing 5 pilot-gas, water coolant, the high-temperature liquid state slag smashes through the aerosol winding-up and falls into slag bath 6, and the aqueous normal temperature solid granulates shape slag of storing up in slag bath 6 realizes that by pulp water absorption and tripping device the absorption of slag separates with pulp water; Be that high-pressure pump 9 absorbs water from suction well 26 to pulp water extractor 11 injection high pressure waters, aqueous normal temperature solid granulates shape slag is drawn by pulp water extractor 11, being transported to pulp water flash trapping stage device 13 through pulp water pipeline 12 separates, separating device 15 through three grades of pulp water secondary separation device 14 and pulp waters again separates, anhydrous solid granulates shape slag enters receiving hopper 16, and water is back to slag bath 6 by return flume 32, overflow realizes that to recirculated water settling tank 25 and suction well 26 pulp water separates and the recycle of water; Store up the anhydrous normal temperature solid granulates shape slag in slag level ground 7, scooped up by forklift 33 and be blended into hopper 34, driving lifting hopper 34 is discharged into receiving hopper 16 or directly entrucking outward transport with slag.Slag enters magnetic separation conveyor 17 through receiving hopper 16, again through magnetic separator 18 magnetic separation, realize that the slag steel separates, steel scrap after the separation enters steel scrap conveyor 21 by distributing chute 19, be discharged into steel scrap high hopper 23, tailings enters tailings conveyor 20 and conveyor 22 by distributing chute 19, is discharged into tailings high hopper 23.Be stored in steel scrap and tailings in the high hopper 23,, be discharged into wagon tremie 35 by dumping device 24.Steam that produces in the winding-up and dust capture the spray dust of 8 captures of noise isolation chamber and depositing dust spray equipment 27 of holding concurrently through steam, dust, the dust precipitation is got back to slag bath 6, steam and remaining dust enter falling dust room 29 by vapour dirt discharge line 28, further behind the depositing dust, steam is discharged chimney 31 by vapour-discharge tube road 30 and steam, enters atmosphere.
The periphery of the pelletizer 4 among the present invention has been set up the water jacket 36 of taking water pipe and water inlet pipe 37 out of, utilizes the water cycle cooling, not only efficiently solves pelletizer because of scorching hot deformation effect slag granulation effect, and has improved greatly its work-ing life.
Steel slag wind-crushing system proposed by the invention rolls the head factory trial throw at Ma Gangdi four steel and produces, the liquid steel slag processing power is 2～5t/min, and particle size diameter is less than 5mm, and slag suction lumpiness maximum diameter can reach 25mm, slag moisture after pulp water separates is less than 15%, and the slag absorbing ability is about 40～60m
3/ h, the steel scrap rate of recovery 10～20%.
Claims (6)
1; a kind of steel slag wind-crushing system; comprise the slag pretreatment unit; slag steel tripping device and product are carried; handler; wherein the slag pretreatment unit comprises the tundish (3) that are connected mutually successively; water-cooling granulating device (4); slag bath (6); slag level ground (7) and housing (5); slag steel tripping device and product are carried; handler comprises the magnetic separation conveyor (17) that is connected mutually successively; magnetic separator (18); distribute chute (19); tailings conveyor (20); steel scrap conveyor (21); conveyor (22); high hopper (23) and dumping device (24); it is characterized in that: the slag bath in the slag pretreatment unit (6) and be arranged in and be provided with pulp water between the magnetic separation conveyor (17) of the right lateral slag steel of slag bath (6) tripping device and draw and tripping device right arranged outside water circle device in slag level ground (7).
2, steel slag wind-crushing system according to claim 1 is characterized in that: pulp water is drawn with tripping device and is comprised that pulp water extractor installation locator slide (10) separates device (15) for three grades with pulp water extractor (11), pulp water pipeline (12), pulp water flash trapping stage device (13), pulp water secondary separation device (14) and pulp water; Pulp water extractor (11) is connected with pulp water flash trapping stage device (13) by pulp water pipeline (12), pulp water flash trapping stage device (13) is positioned at the top, the pulp water secondary separation device (14) that is connected mutually successively is set from top to bottom on the right side of pulp water flash trapping stage device (13) separates device (15), between pulp water one-level, secondary, three grades of separation devices (13,14,15) and slag bath (6), be provided with backwater mortise (32) with three grades of pulp waters; Water circle device comprises recirculated water settling tank (25), suction well (26) and the high-pressure pump (9) that is connected successively, and high-pressure pump (9) is connected with pulp water extractor (11) through pipeline.
3, steel slag wind-crushing system according to claim 2, it is characterized in that: pulp water extractor (11) is for containing the steel construction cavity of suction inlet gate, pulp water flash trapping stage device (13) is a steel structure body, constitute by drainage bucket and worm conveyor, promptly worm conveyor is installed in the bottom of drainage bucket, pulp water secondary separation device (14) is separated device (15) with three grades of pulp waters and is vibratory screening apparatus formula steel structure body, constitute by vibrating motor and sieve, the screen cloth of drive-type band vibrating motor promptly is installed on steel frame.
4, steel slag wind-crushing system according to claim 1 is characterized in that: set up the water jacket (36) of taking water pipe and water inlet pipe (37) out of in the periphery of water-cooling granulating device (4).
5, steel slag wind-crushing system according to claim 1, it is characterized in that: in slag bath (6), slag level ground (7) top steam, the double noise isolation chamber of dust capture and steam discharge device are set, steam, the double noise isolation chamber of dust capture and steam discharge device mainly capture double noise isolation chamber (8), depositing dust spray equipment (27), vapour dirt discharge line (28), falling dust room (29), vapour-discharge tube road (30) and steam discharge chimney (31) by steam, dust and form; Wherein steam, the double noise isolation chamber (8) of dust capture are positioned at slag bath (6), slag level ground (7) top, depositing dust spray equipment (27) is installed in steam, dust captures the inner top, noise isolation chamber (8) of holding concurrently, be positioned at steam, dust and capture the hold concurrently outer vapour dirt discharge line (28) in noise isolation chamber (8), falling dust room (29), vapour-discharge tube road (30) and steam and discharge between the chimney (31) and be connected successively, vapour dirt discharge line (28) is connected with steam, the double noise isolation chamber (8) of dust capture.
6, steel slag wind-crushing system according to claim 5 is characterized in that: it is the concrete steel structure that described steam, dust capture the noise isolation chamber (8) of holding concurrently, and side wall is made of steel construction and sound absorbent material, and the top is water seal steel deck-plate or turnover panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910029440A CN101538622A (en) | 2009-04-14 | 2009-04-14 | Steel slag wind-crushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910029440A CN101538622A (en) | 2009-04-14 | 2009-04-14 | Steel slag wind-crushing system |
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| CN101538622A true CN101538622A (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910029440A Pending CN101538622A (en) | 2009-04-14 | 2009-04-14 | Steel slag wind-crushing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090488A (en) * | 2019-05-31 | 2019-08-06 | 安徽中巨机电设备有限公司 | A kind of separating device for water with dregs |
-
2009
- 2009-04-14 CN CN200910029440A patent/CN101538622A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090488A (en) * | 2019-05-31 | 2019-08-06 | 安徽中巨机电设备有限公司 | A kind of separating device for water with dregs |
| CN110090488B (en) * | 2019-05-31 | 2021-04-06 | 安徽中巨机电设备有限公司 | Slag-water separation device |
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Open date: 20090923 |