CN112266992A - Desulphurization slag treatment device and application thereof - Google Patents
Desulphurization slag treatment device and application thereof Download PDFInfo
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- CN112266992A CN112266992A CN202011082709.2A CN202011082709A CN112266992A CN 112266992 A CN112266992 A CN 112266992A CN 202011082709 A CN202011082709 A CN 202011082709A CN 112266992 A CN112266992 A CN 112266992A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising 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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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
A desulphurization slag treatment device and application thereof, belonging to the technical field of metallurgical slag treatment. The application comprises the following steps: conveying the desulfurized slag ladle in the steelmaking workshop to a desulfurized slag production line factory building by steam, lifting the desulfurized slag ladle to a trolley by a lifting travelling crane, and conveying the trolley provided with the slag ladle to a spraying and dedusting area by a ferry; opening the spraying device and the dust removal system, circularly and step-by-step pushing the trolley through the hydraulic propelling machine, respectively cooling the slag pot on the trolley by pumping water and stewing slag without pumping water, and simultaneously monitoring the temperature in the slag pot; the qualified desulfurized slag pot sprayed with water is conveyed to a slag pot to-be-lifted area through a ferry vehicle, then conveyed to a slag stewing pool by a lifting vehicle for reladling, an empty pot steam is conveyed back to a steel-making workshop, and desulfurized slag in the slag stewing pool is subjected to slag removing treatment and then enters a production line for production through a transfer conveyor. The invention can treat the desulphurization slag in the steelmaking workshop in an environment-friendly and efficient manner, thereby not only improving the enterprise benefit, but also reducing the pollution of solid waste treatment.
Description
Technical Field
The invention belongs to the technical field of metallurgical slag treatment, and particularly relates to a desulfurization slag treatment device and application thereof.
Background
The desulphurization slag is an important byproduct of molten iron pretreatment, contains a large amount of sulfur and iron elements, and if the desulphurization slag is not treated, a large amount of iron resources are wasted, the steel-making cost is increased, and meanwhile, solid waste is formed, so that serious environmental pollution is caused. Therefore, steel plants must perform environmental protection treatment on the desulfurized slag.
The yield of the desulfurized slag in a steel-making workshop is up to 30-40 ten thousand tons every year, but the factory leaving temperature of the desulfurized slag is high, the residual temperature can reach 200-700 ℃, the viscosity is high, and the desulfurized slag is easy to adhere to a slag pot, so that the cleaning is difficult. The existing treatment method of the desulfurization slag mainly comprises the steps of cooling and splitting the desulfurization slag, and then classifying and recycling the broken and refined desulfurization slag. The cooling method for the desulphurization slag mainly comprises a hot splashing method, a roller method, a hot stewing method, a water quenching method and the like, but the cooling methods inevitably produce a large amount of dust pollution, and even open fire ignition workshop can be caused by high-temperature dust; meanwhile, the dispersed dust also seriously threatens the health and safety of operators. Therefore, the environmental protection and dust reduction treatment of the desulfurized slag becomes a technical problem which is urgently needed to be solved by each steelmaking workshop. In addition, the desulphurization slag device in the prior art usually needs a larger floor area, and aims at the problems of longer treatment period, low production efficiency and the like caused by the fact that the connection of each step of the treatment method is not tight. Therefore, the desulfurization slag treatment device which can achieve both production efficiency and environmental protection and safety also becomes a technical problem which needs to be solved urgently.
Disclosure of Invention
The technical problem to be solved is as follows: aiming at the technical problems, the invention provides a desulphurization slag treatment device and application thereof, which can treat desulphurization slag in a steel-making workshop in an environment-friendly and efficient manner, improve the enterprise benefit and reduce the pollution of solid waste treatment.
The technical scheme is as follows: a desulphurization slag treatment device is arranged in a desulphurization slag production line factory building and comprises a moving system, a cooling system and a dust removal system, wherein the moving system comprises a hoisting travelling crane, a hydraulic propelling machine and a trolley, the hoisting travelling crane is arranged at the top of the factory building and used for hoisting a desulphurization slag tank, the hydraulic propelling machine is arranged below the hoisting travelling crane and used for circularly and step-by-step propelling the trolley, and the trolley is arranged between the hydraulic propelling machine and the cooling system in a reciprocating manner; the dust removal system comprises a dust removal cover; cooling system includes spray set and temperature control device, spray set includes shower, nozzle, inlet tube, control flap and water pump, the shower is located in the dust excluding hood, one end with the nozzle is connected, the other end with advance water piping connection, control flap and water pump are located on the inlet tube, temperature control device is movably located in the desulfurization slag ladle of spray set below.
Preferably, the moving system further comprises a ferry, and the ferry is arranged at the bottom of the trolley.
Preferably, the dust removal system further comprises a bag type dust collector, and the bag type dust collector is connected with the dust hood in series.
Preferably, the nozzle is an atomizing nozzle, and the temperature control device is a thermal sensor.
Preferably, the spraying device further comprises a flow meter, and the flow meter is arranged on the water inlet pipe.
The application of the desulphurization slag treatment device comprises the following steps: conveying the desulfurized slag ladle in the steelmaking workshop to a desulfurized slag production line factory building by steam, lifting the desulfurized slag ladle to a trolley by a lifting travelling crane, and conveying the trolley provided with the slag ladle to a spraying and dedusting area by a ferry; opening the spraying device and the dust removal system, circularly and step-by-step pushing the trolley through the hydraulic propelling machine, respectively cooling the slag pot on the trolley by pumping water and stewing slag without pumping water, and simultaneously monitoring the temperature in the slag pot; the qualified desulfurized slag pot sprayed with water is conveyed to a slag pot to-be-lifted area through a ferry vehicle, then conveyed to a slag stewing pool by a lifting vehicle for reladling, an empty pot steam is conveyed back to a steel-making workshop, and desulfurized slag in the slag stewing pool is subjected to slag removing treatment and then enters a production line for production through a transfer conveyor.
Preferably, each trolley is used for parking 2-3 slag pots.
Preferably, the time of the water cooling is more than 12 h.
Preferably, the temperature of the qualified desulfurization slag after water spraying is lower than 100 ℃.
Preferably, the time of the dreg striking treatment is 16-24 h.
Has the advantages that:
1. the desulfurized slag is cooled by pumping water in the slag pot, and the desulfurized slag is dedusted by the dedusting system and is transported to the slag stewing pool for pouring after being cooled to be qualified, so that the dust pollution in a factory building is effectively reduced, and the occupied area for treating the desulfurized slag is also reduced.
2. Through the mode that the cooling of beating water and the braising of not beating water two circuits of going on in step, very big reduction the treatment time of desulfurization sediment, promoted the work efficiency that the desulfurization sediment was handled.
3. The spray pipe with the adjustable control valve can control the water spray flow and the total water consumption in a targeted manner according to the desulfurized slag storage amount in the slag tank; the atomizing nozzle can fully permeate the atomized cooling water into the desulfurized slag, so that the desulfurized slag can be fully pulverized and cracked, the subsequent tank pouring and recovery are facilitated, and the resource waste is reduced.
4. The dust removal system can absorb and treat waste gas and dust generated in the cooling process in time, so that the pollution to the environment is reduced, and the safety and health threats to workers are also reduced.
5. The whole set of desulphurization slag treatment device is tightly connected, the working space is fully utilized, the automation degree is also higher, the labor intensity of workers can be reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a spraying device;
the numerical designations in the drawings represent the following: 1. hoisting the travelling crane; 2. a hydraulic pusher; 3. a trolley; 4. a dust hood; 5. a spraying device; 6. a shower pipe; 7. a nozzle; 8. a water inlet pipe; 9. a control valve; 10. a water pump; 11. a ferry vehicle; 12. a flow meter.
Detailed Description
The invention is further described below with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides a desulphurization slag treatment apparatus, which is disposed in a desulphurization slag production line plant, and comprises a moving system, a cooling system and a dust removal system. The moving system comprises a lifting travelling crane 1, a hydraulic propelling machine 2, a ferry vehicle 11 and a trolley 3. The lifting travelling crane 1 is an 75/32 t casting bridge crane, is arranged at the top of a factory building, is matched with a 10 t electric hoist for maintenance and is used for lifting a desulphurization slag tank. The hydraulic pusher 2 is arranged below the lifting travelling crane 1 and used for pushing the trolley 3 to circularly step in a spraying and cooling area. The carriage 3 is provided to reciprocate between the hydraulic propulsion machine 2 and the cooling system by 27 carriages in total. The two ferries 11 are arranged at the bottom of the trolley 3 and used for conveying the trolley 3 to and fro in the spray cooling area and the slag pot area to be hung. The dust removal system comprises a dust hood 4 and a bag type dust collector, wherein the dust hood 4 is fixed in a spray cooling area, and the bag type dust collector is connected with the dust hood 4 in series. The bag type dust collector comprises a box body, an air pipe, a fan, an ash bucket and a chimney, ascending steam and smoke dust in the cooling process enter the box body through a dust hood to be filtered, waste solids are settled and fall into the ash bucket, and clean air flow is sucked by the fan, passes through the air pipe and is discharged by the chimney. The cooling system comprises a spraying device 5 and a temperature control device. The spraying device 5 comprises a spraying pipe 6, a nozzle 7, a water inlet pipe 8, a control valve 9 and a water pump 10. The spray pipe 6 is arranged in the dust hood 4, one end of the spray pipe is connected with the nozzle 7, and the other end of the spray pipe is connected with the water inlet pipe 8. The nozzle 7 is an atomizing nozzle. The control valve 9 and the water pump 10 are arranged on the water inlet pipe 8. The temperature control device is a heat sensor and is movably arranged in the desulfurization slag tank below the spray device 5 through a telescopic rod.
The method for treating the desulphurization slag by using the treatment device comprises the following steps: conveying the desulfurized slag ladle in the steelmaking workshop to a desulfurized slag production line factory building, lifting the desulfurized slag ladle to a trolley 3 through a lifting travelling crane 1, and conveying the trolley 3 provided with the slag ladle to a spraying and dedusting area through a transfer car 11; opening the spraying device 5 and the dust removal system, circularly and step-by-step pushing the trolley 3 through the hydraulic propeller 2, respectively cooling the slag pot on the trolley 3 by pumping water and stewing slag without pumping water, and simultaneously monitoring the temperature in the slag pot; the water-spraying qualified desulfurized slag pot is conveyed to a slag pot to-be-lifted area through a ferry vehicle 11, then conveyed to a slag stewing pool by a lifting travelling vehicle 1 for reladling, the empty tank steam is conveyed back to a steel-making workshop, and the desulfurized slag in the slag stewing pool is subjected to slag-removing treatment and then enters a production line for production through a reversed loader.
The time control of the process is as follows:
the time of the water-pumping cooling is 14 h,
the time of the dreg-removing treatment is 16 h,
wherein the temperature of the qualified desulfurized slag after water spraying is set as 75 ℃.
According to the method, 3 slag pots are placed on each trolley as a group, and the total number of the slag pots is 13, and 39 slag pot positions are set as a water cooling line; the other 13 groups of slag pot positions are set as slag lines without water supply and slag stewing. Two lines are parallel, 78 slag tanks can be treated in total, the efficiency of cooling treatment of the desulfurized slag is greatly improved, and the occupied area for treating the desulfurized slag is reduced.
Waste gas solid pollution such as dust, dirty steam that produce among the embodiment processing procedure discharges after handling through dust pelletizing system, can not disperse on a large scale in the factory building, has reduced the pollution to the environment, has also alleviateed the safe and healthy threat to the staff.
Example 2
As shown in fig. 1 and fig. 2, the present embodiment provides a desulphurization slag treatment apparatus, which is disposed in a desulphurization slag production line plant, and comprises a moving system, a cooling system and a dust removal system. The moving system comprises a lifting travelling crane 1, a hydraulic propelling machine 2, a ferry vehicle 11 and a trolley 3. The lifting travelling crane 1 is an 75/32 t casting bridge crane, is arranged at the top of a factory building, is matched with a 10 t electric hoist for maintenance and is used for lifting a desulphurization slag tank. The hydraulic pusher 2 is arranged below the lifting travelling crane 1 and used for pushing the trolley 3 to circularly step in a spraying and cooling area. The carriage 3 is provided to reciprocate between the hydraulic propulsion machine 2 and the cooling system by 27 carriages in total. The two ferries 11 are arranged at the bottom of the trolley 3 and used for conveying the trolley 3 to and fro in the spray cooling area and the slag pot area to be hung. The dust removal system comprises a dust hood 4, and the dust hood 4 is fixed in a spray cooling area. The cooling system comprises a spraying device 5 and a temperature control device. The spraying device 5 comprises a spraying pipe 6, a nozzle 7, a water inlet pipe 8, a flow meter 12, a control valve 9 and a water pump 10. The spray pipe 6 is arranged in the dust hood 4, one end of the spray pipe is connected with the nozzle 7, and the other end of the spray pipe is connected with the water inlet pipe 8. The flow meter 12, the control valve 9 and the water pump 10 are arranged on the water inlet pipe 8. The temperature control device is a heat sensor and is movably arranged in the desulfurization slag tank below the spray device 5 through a telescopic rod.
The method for treating the desulphurization slag by using the treatment device comprises the following steps: conveying the desulfurized slag ladle in the steelmaking workshop to a desulfurized slag production line factory building, lifting the desulfurized slag ladle to a trolley 3 through a lifting travelling crane 1, and conveying the trolley 3 provided with the slag ladle to a spraying and dedusting area through a transfer car 11; opening the spraying device 5 and the dust removal system, circularly and step-by-step pushing the trolley 3 through the hydraulic propeller 2, respectively cooling the slag pot on the trolley 3 by pumping water and stewing slag without pumping water, and simultaneously monitoring the temperature in the slag pot; the water-spraying qualified desulfurized slag pot is conveyed to a slag pot to-be-lifted area through a ferry vehicle 11, then conveyed to a slag stewing pool by a lifting travelling vehicle 1 for reladling, the empty tank steam is conveyed back to a steel-making workshop, and the desulfurized slag in the slag stewing pool is subjected to slag-removing treatment and then enters a production line for production through a reversed loader.
The time control of the process is as follows:
the water pumping cooling time is 13 hours, the water pumping cooling is firstly carried out for 5 hours at the flow rate of 150-200L/min, and then the spraying is continuously carried out for 8 hours at the flow rate of 80-120L/min;
the time for treating the dreg is 20 hours;
wherein the temperature of the desulfurized slag which is qualified by water spraying is set as 85 ℃.
According to the method, 2-3 slag pots are placed on each trolley as a group, and 13 groups are set as a water cooling line; the other 13 groups are set as slag stewing lines without water supply. The two lines are parallel, and simultaneously matched with a trolley going to and from a steel-making workshop and a desulphurization slag production line factory building, 65-78 tanks of desulphurization slag are treated on average every day, the annual treatment of the desulphurization slag is about 32 ten thousand tons/year, the efficiency of cooling treatment of the desulphurization slag is greatly improved, and the occupied area for treating the desulphurization slag is also reduced.
The embodiment also has the following beneficial effects:
1. the spray pipe with the adjustable control valve can control the water spray flow and the total water consumption in a targeted manner according to the desulfurized slag storage amount in the slag tank; the atomizing nozzle can fully permeate the atomized cooling water into the desulfurized slag, so that the desulfurized slag can be fully pulverized and cracked, the subsequent tank pouring and recovery are facilitated, and the resource waste is reduced.
2. The dust removal system can absorb and treat waste gas and dust generated in the cooling process in time, so that the pollution to the environment is reduced, and the safety and health threats to workers are also reduced.
3. The whole set of desulphurization slag treatment device is tightly connected, the working space is fully utilized, the automation degree is also higher, the labor intensity of workers can be reduced, and the production efficiency is improved.
Example 3
The embodiment provides a desulphurization slag treatment device, and specifically refers to embodiment 2, the desulphurization slag treatment by using the device comprises the following steps:
conveying the desulfurized slag ladle in the steelmaking workshop to a desulfurized slag production line factory building, lifting the desulfurized slag ladle to a trolley 3 through a lifting travelling crane 1, and conveying the trolley 3 provided with the slag ladle to a spraying and dedusting area through a transfer car 11; opening the spraying device 5 and the dust removal system, circularly and step-by-step pushing the trolley 3 through the hydraulic propeller 2, respectively cooling the slag pot on the trolley 3 by pumping water and stewing slag without pumping water, and simultaneously monitoring the temperature in the slag pot; the water-spraying qualified desulfurized slag pot is conveyed to a slag pot to-be-lifted area through a ferry vehicle 11, then conveyed to a slag stewing pool by a lifting travelling vehicle 1 for reladling, the empty tank steam is conveyed back to a steel-making workshop, and the desulfurized slag in the slag stewing pool is subjected to slag-removing treatment and then enters a production line for production through a reversed loader.
The time control of the process is as follows:
the water pumping cooling time is 12 hours, the water pumping cooling is firstly carried out for 5 hours at the flow rate of 150-200L/min, and then the spraying is continuously carried out for 7 hours at the flow rate of 80-120L/min;
the time for treating the dreg is 24 hours;
wherein the temperature of the qualified desulfurization slag after water spraying is set to be 95 ℃.
Compared with the prior art, the desulfurization slag treatment device and the application thereof have the following beneficial effects:
1. the desulfurized slag is cooled by pumping water in the slag pot, and the desulfurized slag is dedusted by the dedusting system and is transported to the slag stewing pool for pouring after being cooled to be qualified, so that the dust pollution in a factory building is effectively reduced, and the occupied area for treating the desulfurized slag is also reduced.
2. Through the mode that the cooling of beating water and the braising of not beating water two circuits of going on in step, very big reduction the treatment time of desulfurization sediment, promoted the work efficiency that the desulfurization sediment was handled.
3. The spray pipe with the adjustable control valve can control the water spray flow and the total water consumption in a targeted manner according to the desulfurized slag storage amount in the slag tank; the atomizing nozzle can fully permeate the atomized cooling water into the desulfurized slag, so that the desulfurized slag can be fully pulverized and cracked, the subsequent tank pouring and recovery are facilitated, and the resource waste is reduced.
4. The dust removal system can absorb and treat waste gas and dust generated in the cooling process in time, so that the pollution to the environment is reduced, and the safety and health threats to workers are also reduced.
5. The whole set of desulphurization slag treatment device is tightly connected, the working space is fully utilized, the automation degree is also higher, the labor intensity of workers can be reduced, and the production efficiency is improved.
Claims (10)
1. The device is arranged in a plant building of a desulphurization slag production line, and is characterized by comprising a moving system, a cooling system and a dust removal system, wherein the moving system comprises a lifting travelling crane (1), a hydraulic pusher (2) and a trolley (3), the lifting travelling crane (1) is arranged at the top of the plant building and used for lifting a desulphurization slag tank, the hydraulic pusher (2) is arranged below the lifting travelling crane (1) and used for circularly pushing the trolley (3) in a stepping manner, and the trolley (3) is arranged between the hydraulic pusher (2) and the cooling system in a reciprocating manner; the dust removal system comprises a dust removal cover (4); cooling system includes spray set (5) and temperature control device, spray set (5) include shower (6), nozzle (7), inlet tube (8), control flap (9) and water pump (10), shower (6) are located in dust excluding hood (4), one end with nozzle (7) are connected, the other end with inlet tube (8) are connected, control flap (9) and water pump (10) are located on inlet tube (8), temperature control device movably locates in the desulfurization slag ladle of spray set (5) below.
2. The desulfurizing slag processing apparatus according to claim 1, wherein said moving system further comprises a ferry (11), said ferry (11) being provided at the bottom of said trolley (3).
3. The desulphurization slag treatment apparatus according to claim 1, wherein the dedusting system further comprises a bag collector, and the bag collector is connected in series with the dust hood (4).
4. The desulfurizing slag treatment apparatus according to claim 1, wherein said nozzle (7) is an atomizing nozzle and said temperature control device is a thermal sensor.
5. A desulphurisation slag treatment device according to claim 1, wherein the spraying device (5) further comprises a flow meter (12), the flow meter (12) being provided on the inlet pipe (8).
6. The application of the desulphurization slag treatment device is characterized by comprising the following steps: the method comprises the following steps of (1) conveying a desulfurized slag ladle in a steelmaking workshop into a desulfurized slag production line factory building, lifting the desulfurized slag ladle onto a trolley (3) through a lifting trolley (1), and conveying the trolley (3) provided with the slag ladle to a spraying and dedusting area through a transfer car (11); opening a spraying device (5) and a dust removal system, circularly and step-by-step pushing a trolley (3) through a hydraulic propeller (2), respectively cooling a slag pot on the trolley (3) by pumping water and stewing slag without pumping water, and simultaneously monitoring the temperature in the slag pot; the water-spraying qualified desulfurized slag pot is conveyed to a slag pot to-be-hung area through a ferry vehicle (11), then conveyed to a slag stewing pool by a hoisting travelling vehicle (1) for dumping, an empty pot steam is conveyed back to a steel-making workshop, and desulfurized slag in the slag stewing pool is subjected to slag-removing treatment and then enters a production line for production through a transfer conveyor.
7. Use of a desulphurization slag treatment apparatus according to claim 6, characterized in that the trolley (3) is equipped with 2-3 slag pots each.
8. The use of the desulphurization slag treatment apparatus according to claim 6, wherein the time of the water cooling is more than 12 h.
9. The application of the desulphurization slag treatment device according to claim 6, wherein the temperature of the desulphurization slag qualified by water spraying is lower than 100 ℃.
10. The use of the desulphurization slag treatment apparatus according to claim 6, wherein the time of the slag removing treatment is 16-24 h.
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| CN202011082709.2A CN112266992A (en) | 2020-10-12 | 2020-10-12 | Desulphurization slag treatment device and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113528719A (en) * | 2021-06-18 | 2021-10-22 | 首钢集团有限公司 | KR desulfurization slag disintegrating slag explosion-proof method |
| CN114231678A (en) * | 2021-12-20 | 2022-03-25 | 广西柳钢环保股份有限公司 | Water fetching device and method for hot stewing slag pool |
| CN115786603A (en) * | 2022-11-16 | 2023-03-14 | 上海宝钢节能环保技术有限公司 | Unmanned processing system of molten iron desulfurization sediment |
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| CN115786603A (en) * | 2022-11-16 | 2023-03-14 | 上海宝钢节能环保技术有限公司 | Unmanned processing system of molten iron desulfurization sediment |
| CN115786603B (en) * | 2022-11-16 | 2024-04-26 | 上海宝钢节能环保技术有限公司 | Unmanned processing system of molten iron desulfurization sediment |
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Application publication date: 20210126 |