CN109797260A - Stainless steel slag processing unit and its processing method - Google Patents
Stainless steel slag processing unit and its processing method Download PDFInfo
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- CN109797260A CN109797260A CN201910228338.5A CN201910228338A CN109797260A CN 109797260 A CN109797260 A CN 109797260A CN 201910228338 A CN201910228338 A CN 201910228338A CN 109797260 A CN109797260 A CN 109797260A
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- stainless steel
- slag
- excluding hood
- control valve
- dust excluding
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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 invention discloses a kind of stainless steel slag processing unit and its processing methods, the device includes the slag ladle being located on slag ladle support, fixed frame on the basis of being located at, dust excluding hood with dust removal port, the swing arm being fixedly connected on the outside of one end and the hinged other end of fixed frame and dust excluding hood, for driving swing arm to swing the hydraulic cylinder for realizing that dust excluding hood covers and open slag ladle around hinge, the water supplying pipe being arranged on fixed frame and swing arm, the water supply control valve being located on water supplying pipe, the atomizer for being located at water supply pipe end and being located on the inside of dust excluding hood, with the mobile exhaust column being fixedly connected on the outside of dust removal port, the fixation exhaust column docked by water seal interface with mobile exhaust column and the exhausting control valve being located on fixed exhaust column.The device good cooling results realize the synchronous collection of dust-laden steam and toxic gas and avoid leakage, high degree of automation, and structure is simple.
Description
Technical field
The invention belongs to metallurgical slag process fields, and in particular to a kind of stainless steel slag processing unit and its processing method.
Background technique
Stainless steel is the weak corrosive medium such as resistance to air, steam, water or the steel grade with rustless property, in order to reduce in stainless steel
C, the harmful elements content such as S improves the degree of purity of stainless steel, needs that basic slag work stone ash is added in converting process, to subtract
SiO in low slag2Activity and improve the rate of recovery of Cr, the big appointment generation 270kg slag of every smeltings 1t stainless steel, in stainless steel slag
CaO、SiO2Mainly with dicalcium silicate (2CaOSiO2) form exist, in stainless steel slag from molten state to during cooling,
As temperature reduces, 2CaOSiO2It constantly undergoes phase transition, is changed into γ-C at 850 DEG C2S, stainless steel slag volume expansion cause
Dusting generates a large amount of powder, and powder surface is highly prone to the influence of natural wind in subsequent transportation, stockpiling and disposal process, produces
Raw a large amount of fugitive dusts, cause serious environmental pollution.Therefore, stainless steel slag processing be in producing stainless steel process one it is essential
Process.
Currently, the domestic processing mode for stainless steel slag mainly using fetch water with tank it is cooling by the way of: it is hot to filling
It persistently sprays water in the slag ladle of stainless steel slag, is poured in cinder field again when the temperature of stainless steel slag is down to 80 DEG C or less.Although leaching
Stainless steel slag after water contains certain moisture, inhibits fugitive dust to play a role during having bad luck to subsequent entrucking, but beats
During water stainless steel slag surface generate steam can be drifted entrainment of dust in air, cause steam in workshop four dissipate more
It is unrestrained, the operation sight of workshop expert's turner had both been influenced, the corrosion of steel-structure factory building can be also accelerated, health and people to worker
Body causes safely very big harm.
Summary of the invention
The object of the present invention is to provide a kind of stainless steel slag processing unit and its processing method, the device good cooling results,
It realizes the synchronous collection of dust-laden steam and toxic gas and avoids leakage, high degree of automation, structure is simple.
The technical scheme adopted by the invention is that:
A kind of stainless steel slag processing unit, including be located on slag ladle support slag ladle, be located on the basis of fixed frame, have
The swing arm that is fixedly connected on the outside of the dust excluding hood of dust removal port, one end and the hinged other end of fixed frame and dust excluding hood, for driving swing arm
It is swung around hinge and realizes that dust excluding hood covers and opens the hydraulic cylinder of slag ladle, the water supplying pipe being arranged on fixed frame and swing arm, is located at
Water supply control valve on water supplying pipe, the atomizer for being located at water supply pipe end and being located on the inside of dust excluding hood, with it is solid on the outside of dust removal port
Surely the mobile exhaust column that connects, the fixation exhaust column docked by water seal interface with mobile exhaust column and it is located at fixed exhaust column
On exhausting control valve.
Further, water supplying pipe is the hose with certain surplus in fixed frame and swing arm joining part, is connect close to water seal
The mobile exhaust column of mouth or fixed exhaust column are equipped with part bellows.
Further, exhausting control valve and hydraulic cylinder are chain, when Driven by Hydraulic Cylinder dust excluding hood covers slag ladle, exhausting control
Valve automatically turns on, and when Driven by Hydraulic Cylinder dust excluding hood opens slag ladle, exhausting control valve is automatically closed.
Further, when multiple stainless steel slag processing units work together, all hydraulic cylinders are by a concentration hydraulic station
Work oil sources is provided.
Further, dust excluding hood is made by steel construction and steel plate and brushing high-temperature resistant anti-corrosive in inside paints.
Further, atomizer is spiral atomizer.
Further, atomizer uses stainless steel material, and the injection angle of atomizer is 90~120 DEG C.
Further, the water seal liquid level in water seal interface is 300-500mm.
A kind of stainless steel slag processing method based on above-mentioned stainless steel slag processing unit, comprising steps of
Slag ladle equipped with the hot stainless steel slag of high temperature is transported to stainless steel slag processing workshop by S1, slag basin transport vehicle；
S2, Driven by Hydraulic Cylinder swing arm are swung around hinge, and dust excluding hood is driven to open up slag ladle；
Slag ladle is hoisted on specified slag ladle support by S3, crane from slag basin transport vehicle；
S4, Driven by Hydraulic Cylinder swing arm are swung around hinge, and dust excluding hood is driven to cover slag ladle downwards, open exhausting control valve, right
Pre- exhausting is carried out in dust excluding hood；
S5, in the state of keeping exhausting, open water supply control valve, the hot stainless steel slag of high temperature in dust excluding hood carried out
Continue the water-spraying control of small flow and stainless steel slag temperature get over low discharge with small, to stainless steel slag temperature be down to 80 DEG C or less and
After steam above slag ladle disappears, water supply control valve is closed；
S6, Driven by Hydraulic Cylinder swing arm are swung around hinge, and dust excluding hood is driven to open up slag ladle, close exhausting control valve；
The slag ladle handled well is hung oneself away from slag ladle support and carries out subsequent deep processing by S7, crane.
Further, in S5, when water supply control valve is opened, cooling water pressure 0.3-0.4Mpa, water flow 3-5t/
H, water flow realize automatic adjustment by control system control water supply control valve.
The beneficial effects of the present invention are:
In the apparatus, stainless steel slag is cooled down by water supplying pipe, water supply control valve and atomizer, atomizer
There is provided atomization it is cold go water energy uniformly to cool down hot stainless steel slag, avoid fetch water too urgent top of the slag ponding and bottom it is red
The cooling insufficient phenomenon of slag, good cooling results, by dust excluding hood, mobile exhaust column, water seal interface and fixed exhaust column not
Rust steel slag carries out exhausting while cooling, realizes the synchronous collection of dust-laden steam and toxic gas, improves in workshop
Production environment is conducive to worker and works health, switches dust excluding hood position by swing arm and hydraulic cylinder, facilitate slag ladle in place and from
Position and operation to cooling and exhausting is carried out in slag ladle guarantee that dedusting is covered with certain mounting height and for dedusting by fixed frame
Cover provides stress and supports, avoids hydraulic cylinder force excessive, is overcome by water seal interface and avoid exhaust column from revealing for exhaust column negative pressure,
Realize that remote operation, high degree of automation reduce labor intensity of workers by exhausting control valve and water supply control valve, the device
Structure is simple, is suitable for newly-built or improvement project.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the top view of Fig. 1.
In figure: the basis 1-；2- fixes exhaust column；3- exhausting control valve；4- fixed frame；5- hose；6- hydraulic cylinder；7- water seal
Interface；8- moves exhaust column；9- water supplying pipe；10- atomizer；11- swing arm；12- dust excluding hood；13- slag ladle；14- slag ladle support；
15- bellows.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, a kind of stainless steel slag processing unit, including the slag ladle 13, (logical being located on slag ladle support 14
Cross foundation bolt) it is located at fixed frame 4, the dust excluding hood 12 with dust removal port, one end and the hinged other end of fixed frame 4 on basis 1
The swing arm 11 that is fixedly connected with the outside of dust excluding hood 12 (passing through welding), for driving swing arm 11 to swing realization dust excluding hood 12 around hinge
Cover and open the hydraulic cylinder of slag ladle 13, the water supplying pipe being arranged on fixed frame 4 and swing arm 11 9, the water supply being located on water supplying pipe 9
Control valve, the atomizer 10 for being located at 9 end of water supplying pipe and being located at 12 inside of dust excluding hood, the shifting being fixedly connected with dust removal port outside
It moves exhaust column 8, the fixation exhaust column 2 docked by water seal interface 7 with mobile exhaust column 8 and is located on fixed exhaust column 2
Exhausting control valve 3.
In the apparatus, stainless steel slag is cooled down by water supplying pipe 9, water supply control valve and atomizer 10, is atomized
Nozzle 10 provide atomization it is cold go water energy uniformly to cool down hot stainless steel slag, avoid fetch water too urgent top of the slag ponding with
The cooling insufficient phenomenon of the red slag in bottom, good cooling results by dust excluding hood 12, mobile exhaust column 8, water seal interface 7 and are fixed
Exhaust column 2 carries out exhausting while stainless steel slag is cooled down, and realizes the synchronous collection of dust-laden steam and toxic gas, changes
Production environment in workshop has been apt to it, has been conducive to worker's labour health, has passed through swing arm 11 and hydraulic cylinder 6 switches 12 position of dust excluding hood, side
Just the operation with offing normal and to cooling and exhausting is carried out in slag ladle 13 in place of slag ladle 13, passes through fixed frame 4 and guarantees dust excluding hood
12 have certain mounting height and provide stress support for dust excluding hood 12, avoid 6 stress of hydraulic cylinder excessive, pass through 7 grams of water seal interface
Taking exhaust column negative pressure avoids exhaust column from revealing, and realizes remote operation, the degree of automation by exhausting control valve 3 and water supply control valve
Height reduces labor intensity of workers, and the apparatus structure is simple, is suitable for newly-built or improvement project.
As shown in Figure 1, in the present embodiment, water supplying pipe 9 is with certain surplus in fixed frame 4 and 11 joining part of swing arm
Hose 5, water supplying pipe 9 is destroyed when preventing pendulum motion, is set on the mobile exhaust column 8 or fixed exhaust column 2 of water seal interface 7
There is part bellows 15, prevents from destroying exhaust column when pendulum motion.
In the present embodiment, exhausting control valve 3 and hydraulic cylinder 6 are chain, when hydraulic cylinder 6 drives dust excluding hood 12 to cover slag ladle 13
When, exhausting control valve 3 automatically turns on, and when hydraulic cylinder 6 drives dust excluding hood 12 to open slag ladle 13, exhausting control valve 3 is automatically closed,
Chain control can prevent maloperation or forget to operate.
In the present embodiment, when the day yield of stainless steel slag is excessive, it is common that multiple stainless steel slag processing units are set
Work, all hydraulic cylinders 6 provide work oil sources by a concentration hydraulic station.
In the present embodiment, dust excluding hood 12 is made by steel construction and steel plate and brushing high-temperature resistant anti-corrosive in inside paints,
Prevent high-temperature steam from causing to corrode to steel construction and steel plate.
In the present embodiment, atomizer 10 is spiral atomizer, and spiral atomizer atomizing effect is good, and cooling is more
Uniformly, atomizer 10 uses stainless steel material, prevents high-temperature steam from causing to corrode to atomizer 10, the spray of atomizer 10
Penetrating angle is 90~120 DEG C.
In the present embodiment, the water seal liquid level in water seal interface 7 is 300-500mm.
A kind of stainless steel slag processing method based on above-mentioned stainless steel slag processing unit, comprising steps of
Slag ladle 13 equipped with the hot stainless steel slag of high temperature is transported to stainless steel slag processing workshop by S1, slag basin transport vehicle；
S2, hydraulic cylinder 6 drive swing arm 11 to swing around hinge, and dust excluding hood 12 is driven to open up slag ladle 13；
Slag ladle 13 is hoisted on specified slag ladle support 14 by S3, crane from slag basin transport vehicle；
S4, hydraulic cylinder 6 drive swing arm 11 to swing around hinge, and dust excluding hood 12 is driven to cover slag ladle 13 downwards, open exhausting control
Valve 3 processed, to carrying out pre- exhausting in dust excluding hood 12；
S5, in the state of keeping exhausting, open water supply control valve, to the hot stainless steel slag of high temperature in dust excluding hood 12 into
Row continues the water-spraying control of small flow and stainless steel slag temperature gets over low discharge with small, is down to 80 DEG C or less to stainless steel slag temperature
And after the steam of 13 top of slag ladle disappears, water supply control valve is closed；
S6, hydraulic cylinder 6 drive swing arm 11 to swing around hinge, and dust excluding hood 12 is driven to open up slag ladle 13, close exhausting control
Valve 3 processed；
The slag ladle 13 handled well is hung oneself away from slag ladle support 14 and carries out subsequent deep processing by S7, crane.
In S5, when water supply control valve is opened, cooling water pressure 0.3-0.4Mpa, water flow 3-5t/h, water flow
Automatic adjustment is realized by control system (PLC control system can be used) control water supply control valve.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of stainless steel slag processing unit, it is characterised in that: including be located on slag ladle support slag ladle, be located on the basis of consolidate
Determine frame, the dust excluding hood with dust removal port, the swing arm being fixedly connected on the outside of one end and the hinged other end of fixed frame and dust excluding hood, be used for
Driving swing arm swings the water supply for realizing that dust excluding hood covers and opens the hydraulic cylinder of slag ladle, is arranged on fixed frame and swing arm around hinge
The water supply control valve manage, being located on water supplying pipe, the atomizer and dust removal port that are located at water supply pipe end and are located on the inside of dust excluding hood
Mobile exhaust column that outside is fixedly connected, the fixation exhaust column docked by water seal interface with mobile exhaust column and it is located at fixation
Exhausting control valve on exhaust column.
2. stainless steel slag processing unit as described in claim 1, it is characterised in that: water supplying pipe is in fixed frame and swing arm linking part
It is divided into the hose with certain surplus, it is soft equipped with partially stretching close to the mobile exhaust column of water seal interface or fixed exhaust column
Pipe.
3. stainless steel slag processing unit as described in claim 1, it is characterised in that: exhausting control valve and hydraulic cylinder are chain, when
When Driven by Hydraulic Cylinder dust excluding hood covers slag ladle, exhausting control valve is automatically turned on, and when Driven by Hydraulic Cylinder dust excluding hood opens slag ladle, is taken out
Wind control valve is automatically closed.
4. stainless steel slag processing unit as described in claim 1, it is characterised in that: multiple common works of stainless steel slag processing unit
When making, all hydraulic cylinders provide work oil sources by a concentration hydraulic station.
5. stainless steel slag processing unit as described in claim 1, it is characterised in that: dust excluding hood by steel construction and steel plate production and
At and inside brushing high-temperature resistant anti-corrosive paint.
6. stainless steel slag processing unit as described in claim 1, it is characterised in that: atomizer is spiral atomizer.
7. stainless steel slag processing unit as described in claim 1, it is characterised in that: atomizer uses stainless steel material, mist
The injection angle for changing nozzle is 90~120 DEG C.
8. stainless steel slag processing unit as described in claim 1, it is characterised in that: the water seal liquid level in water seal interface is
300-500mm。
9. a kind of stainless steel slag processing method based on stainless steel slag processing unit as described in any of the claims 1 to 8, special
Sign is: including step,
Slag ladle equipped with the hot stainless steel slag of high temperature is transported to stainless steel slag processing workshop by S1, slag basin transport vehicle；
S2, Driven by Hydraulic Cylinder swing arm are swung around hinge, and dust excluding hood is driven to open up slag ladle；
Slag ladle is hoisted on specified slag ladle support by S3, crane from slag basin transport vehicle；
S4, Driven by Hydraulic Cylinder swing arm are swung around hinge, and dust excluding hood is driven to cover slag ladle downwards, exhausting control valve are opened, to dedusting
Pre- exhausting is carried out in cover；
S5, in the state of keeping exhausting, open water supply control valve, the hot stainless steel slag of high temperature in dust excluding hood is continued
The water-spraying control and stainless steel slag temperature of small flow get over low discharge with small, are down to 80 DEG C or less and slag ladle to stainless steel slag temperature
After the steam of top disappears, water supply control valve is closed；
S6, Driven by Hydraulic Cylinder swing arm are swung around hinge, and dust excluding hood is driven to open up slag ladle, close exhausting control valve；
The slag ladle handled well is hung oneself away from slag ladle support and carries out subsequent deep processing by S7, crane.
10. stainless steel slag processing method as claimed in claim 9, it is characterised in that: in S5, when water supply control valve is opened,
Cooling water pressure is 0.3-0.4Mpa, water flow 3-5t/h, and water flow is realized automatic by control system control water supply control valve
It adjusts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910228338.5A CN109797260A (en) | 2019-03-25 | 2019-03-25 | Stainless steel slag processing unit and its processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910228338.5A CN109797260A (en) | 2019-03-25 | 2019-03-25 | Stainless steel slag processing unit and its processing method |
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| CN109797260A true CN109797260A (en) | 2019-05-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195135A (en) * | 2019-06-06 | 2019-09-03 | 范跃稳 | A kind of Copper converter smelting slag boils in a covered pot over a slow fire tank waste heat recovery utilizing equipment and waste heat recycle method |
| CN112725552A (en) * | 2021-01-26 | 2021-04-30 | 中冶南方工程技术有限公司 | Metallurgical slag cooling device with tank and steel slag treatment system |
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| CN206396266U (en) * | 2017-01-17 | 2017-08-11 | 中冶华天工程技术有限公司 | Winding type casting residue Thrash cooling device |
| CN206477004U (en) * | 2017-01-17 | 2017-09-08 | 中冶华天工程技术有限公司 | Swinging casting residue Thrash cooling device |
| CN209923370U (en) * | 2019-03-25 | 2020-01-10 | 中冶南方工程技术有限公司 | Stainless steel slag treatment device |
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2019
- 2019-03-25 CN CN201910228338.5A patent/CN109797260A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206396266U (en) * | 2017-01-17 | 2017-08-11 | 中冶华天工程技术有限公司 | Winding type casting residue Thrash cooling device |
| CN206477004U (en) * | 2017-01-17 | 2017-09-08 | 中冶华天工程技术有限公司 | Swinging casting residue Thrash cooling device |
| CN209923370U (en) * | 2019-03-25 | 2020-01-10 | 中冶南方工程技术有限公司 | Stainless steel slag treatment device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195135A (en) * | 2019-06-06 | 2019-09-03 | 范跃稳 | A kind of Copper converter smelting slag boils in a covered pot over a slow fire tank waste heat recovery utilizing equipment and waste heat recycle method |
| CN112725552A (en) * | 2021-01-26 | 2021-04-30 | 中冶南方工程技术有限公司 | Metallurgical slag cooling device with tank and steel slag treatment system |
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