WO2018219269A1 - 铁水脱硫渣的渣铁分离、冷却装置的总体结构 - Google Patents
铁水脱硫渣的渣铁分离、冷却装置的总体结构 Download PDFInfo
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- WO2018219269A1 WO2018219269A1 PCT/CN2018/088843 CN2018088843W WO2018219269A1 WO 2018219269 A1 WO2018219269 A1 WO 2018219269A1 CN 2018088843 W CN2018088843 W CN 2018088843W WO 2018219269 A1 WO2018219269 A1 WO 2018219269A1
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- slag
- cooling
- cooling device
- iron
- separation
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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
- 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
- C21B3/10—Slag pots; Slag cars
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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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
Definitions
- the invention belongs to the field of desulfurization slag treatment technology and equipment manufacturing in hot metal pretreatment. More specifically, the present invention relates to an overall structure of a slag iron separation and cooling device for on-line or off-line treatment of molten iron desulfurization slag, which can efficiently perform slag iron separation and cooling treatment on high temperature desulfurization slag.
- the prior art desulfurization slag treatment process is to arrange the slag tank on the desulfurization operation site, and the desulfurization slag in the hot-melt state in the molten iron tank after the desulfurization operation is directly poured into the slag tank from the molten iron tank through the slag slag machine, and then the slag tank is turned Into the drip tank, boring pit or direct cold waste slag yard, spray water to cool down and then mechanically crushed.
- a disadvantage of the prior art process is the low slag iron separation and long cooling cycle.
- a large amount of water is required to cool the high-temperature desulfurization slag, and at the same time, a large amount of water vapor and smoke are generated, which not only wastes resources but also pollutes the environment.
- the invention provides a slag iron separation and cooling device for molten iron desulfurization slag and a treatment process thereof, and the purpose thereof is to enable the desulfurization slag to be rapidly cooled and realize rapid and continuous industrial production while achieving sufficient separation of the slag iron.
- the slag iron separation and cooling device for the molten iron desulfurization slag of the present invention comprises the main equipment of the slag iron separation and cooling device;
- the slag iron separation and cooling device is configured in two modes: off-line processing and on-line processing;
- the slag iron separation and cooling device When configured in an offline processing mode, is provided with a lifting tilting device and a slag pot;
- the slag iron separation and cooling device When configured in the online processing mode, the slag iron separation and cooling device is provided with an online moving device.
- the lifting tilting device and the slag pot are disposed at the front end of the main equipment of the slag iron separation and cooling device, and are separated from the slag iron and the main device of the cooling device adopts a split design.
- the main equipment of the slag iron separation and cooling device When configured in the offline processing mode; the main equipment of the slag iron separation and cooling device is placed on the basis of the fixed equipment. At this time, the main equipment of the slag iron separation and cooling device includes the slag slag machine and the platform, and the slag is connected. Device, slag iron separation device, cooling device, purification device and discharge device.
- a desulfurized ladle is disposed at the front end of the main apparatus of the slag iron separation and cooling device, and is separated from the slag iron, and the main device of the cooling device adopts a split design.
- the main apparatus of the slag iron separation and cooling device When configured in an online processing mode, the main apparatus of the slag iron separation and cooling device includes a slag removing device, a slag iron separating device, a cooling device, a purifying device, and a discharging device, and the main device is placed in the On the online mobile device; at the rear end of the main device of the slag iron separation and cooling device, a receiving device is further provided.
- a feeding device is further disposed at a rear end of the main equipment of the slag iron separation and cooling device
- the slag iron separating device is placed under the slag slag device to receive the desulfurized slag after screening.
- the cooling device is connected to the slag separation device to further cool the desulfurization slag after the separation of the slag iron.
- the purification device is disposed after the cooling device to purify exhaust gas and dust generated during cooling.
- the slag assembly device is provided with a receiving hopper and a roller screen.
- the roller screens are arranged obliquely.
- the roller screen is made of a high temperature resistant alloy material.
- a water circulation cooling passage is arranged in the roller screen shaft, and the cooling water is circulated through the cooling passage.
- the slag iron separating device is provided with a casing and a high-speed flywheel; the high-speed flywheel is placed in the outer casing, and the desulfurized slag falls from the upper part of the high-speed flywheel into the flywheel body, and after colliding with the high-speed flywheel, the cooling device is thrown along the tangential direction of the flywheel.
- the high-speed flywheel shaft is provided with a water circulation cooling passage, and the cooling water is circulated through the cooling passage to protect the flywheel from work safety.
- the cooling device is provided with a cooling drum, a cylinder driving device and a circulating cooling device; the cooling drum is divided into two sections connected in front and rear, and the front part is a receiving section, which is located at the feeding end of the cooling drum body and is separated from the slag iron.
- the device is connected to receive the slag material thrown in the tangential direction of the flywheel; the rear part is a cooling section, which is located at the discharge end of the cooling drum and behind the receiving section, and the tail end is connected with the discharging system.
- the receiving section is located at the feeding end of the cooling drum; and the protective lining is provided inside the receiving section.
- the protective lining is a protective lining with a spiral blade.
- the outer casing of the cooling drum is provided with a heat exchanger.
- the cooling section of the cooling drum is provided with a heat exchanger.
- the heat exchanger adopts a tube-and-tube heat exchanger structure, and circulating cooling water is introduced into the sheet tube to perform indirect heat exchange with the slag material inside the cooling drum to cool the slag material.
- the cylinder of the cooling drum is driven to rotate by a cylinder driving device, and the cylinder driving device is provided with a speed regulating device.
- the speed regulating device is a stepless speed regulating device.
- the circulating cooling device comprises a circulating water pump, a duct, a cooling tower, a water storage tank and a flexible water supply device, and provides circulating cooling water for the cooling drum.
- the purification device is provided with a tail box, a gravity dust remover, a fan and a dust exhaust duct.
- the tail box is located at the rear of the cooling drum cooling section; the tail box inlet and the cooling drum outlet are connected by a rotary seal; the lower part of the tail box is provided with a discharge port and is connected with the discharge hopper inlet;
- the gravity dust collector is placed behind the tail box; the upper part of the tail box is provided with an air outlet, and is connected with the air inlet of the gravity dust collector.
- the air outlet of the gravity dust collector and the air duct have two connection modes:
- the first type is that when the device is in the online processing state, the air outlet of the gravity dust collector is connected with the quick switching device of the air duct, so that when the device moves, the air duct is quickly separated, and the device is removed from the working position;
- the second type is that when the device is in offline working state, the processing device does not need to be moved, and the air duct is directly connected to the air outlet of the gravity dust collector.
- the purifying device is provided with a fan, and the fan is pumped to maintain a state of micro-negative pressure inside the processing device.
- the present invention also provides a treatment process for the slag-iron separation and cooling device of the molten iron desulfurization slag described above, and the technical solution thereof is:
- the first step desulfurization of molten iron
- the second step the desulfurization slag is poured into the treatment equipment and sieved from the ladle;
- the third step pulverizing and dispersing the filtered desulfurization slag
- the fourth step cooling the desulfurized slag after pulverization and scattering
- the fifth step performing dust removal treatment on the desulfurization slag during cooling and/or after cooling;
- the sixth step transporting the desulfurization slag after dust removal, that is, one process cycle ends, and the next hot metal desulfurization.
- the slag iron separation and cooling device is in the slag slag area of the desulfurization slag, the hopper is placed in the slag slag station, the dust removal system and the water circulation system are started first, and then the slag slag device and the slag iron are sequentially activated. Separating device, slag iron cooling device and discharging device; after the device is completely started, the desulfurization slag is taken out from the molten iron tank by the skimmer, and the desulfurized slag which is poured out falls into the slag removing device;
- the desulfurization slag falls onto the high-speed flywheel in the slag-iron separation device, and is broken up by the high-speed flywheel to realize slag-iron separation;
- the slag iron separating device breaks up the molten iron in the desulfurized slag into pellets, and then throws it into the cooling drum. During the throwing process, the area of the molten iron particles in contact with the air is increased, and the preliminary air cooling of the slag and the molten iron particles is completed. ;
- the desulfurization slag after being separated by the slag iron is buffered by the cooling drum receiving section and exchanges heat with the cylinder of the cooling drum, so that the surface of the molten iron particles is hardened and crusted, so that the slag and the iron are separated;
- the cooling drum After the desulfurized slag particles and the molten iron particles thrown by the slag iron separating device pass through the cooling drum receiving section, the cooling drum gradually migrates to the cooling section of the cooling drum, and indirectly flows with the cooling section cooling water using the discharge pipe structure. Heat exchange, cooling it to achieve the purpose of cooling the desulfurization slag;
- the cooled desulfurization slag is discharged from the lower part of the equipment tail box, and is transported by the conveying equipment to the material collection box for collection.
- the collection box is carried by the mobile equipment for subsequent processing, and the slag and iron are classified and recycled.
- the first step desulfurization of molten iron
- the second step the desulfurization slag is poured into the slag tank from the ladle;
- the third step transporting the slag tank to the lifting device of the offline device;
- the fourth step the desulfurization slag of the lifting device is taken into the processing equipment by the skimmer;
- the fifth step pulverizing and dispersing the filtered desulfurization slag
- the sixth step cooling the desulfurized slag after pulverization and scattering
- Step 7 performing dust removal treatment on the desulfurization slag during cooling and/or after cooling
- the eighth step transporting the desulfurization slag after dust removal, that is, one process cycle ends, and the next hot metal desulfurization.
- the off-line treatment process is that the treatment equipment is fixedly arranged in the non-desulfurization slag slag operation area, and a lifting tilting device and a slag slag machine device are added in front of the equipment slag slag device; the slag slag to be treated is firstly slag slag in the slag slag working area Collecting and transferring to the working position of the offline equipment, controlling by the lifting tilting device and the slag removing device installed in front of the slag-removing device, and entering the slag-removing device for processing;
- the hopper that is processed offline is placed behind the lifting tipping device, first starts the dust removal system and the water circulation system, and then starts the slag slag device, the slag iron separation device, the slag iron cooling device and the discharging device in turn, and the above equipment is fully started, and the hopper is used.
- the slag machine removes the desulfurization slag from the molten iron tank, and the desulfurized slag that is scooped out falls into the slag slag device;
- the desulfurization slag falls onto the high-speed flywheel in the slag-iron separation device, and is broken up by the high-speed flywheel to realize slag-iron separation;
- the slag iron separating device breaks up the molten iron in the desulfurized slag into pellets, and then throws it into the cooling drum. During the throwing process, the area of the molten iron particles in contact with the air is increased, and the preliminary air cooling of the slag and the molten iron particles is completed. ;
- the desulfurized slag which has been separated by the slag iron is buffered by the cooling drum receiving section and exchanges heat with the cylinder of the cooling drum, so that the surface of the molten iron particles hardens and encloses the shell to separate the slag and the iron;
- the cooling drum After the desulfurized slag particles and the molten iron particles thrown by the slag iron separating device pass through the cooling drum receiving section, the cooling drum gradually migrates to the cooling section of the cooling drum, and indirectly flows with the cooling section cooling water using the discharge pipe structure. Heat exchange, cooling it to achieve the purpose of cooling the desulfurization slag;
- the cooled desulfurization slag is discharged from the lower part of the equipment tail box, and is transported by the conveying equipment to the material collection box for collection.
- the collection box is carried by the mobile equipment for subsequent processing, and the slag and iron are classified and recycled.
- the invention adopts the above technical scheme, and the desulfurization slag in a high temperature state can realize rapid separation of the slag iron while being capable of being rapidly cooled, and can realize rapid continuous industrial production; meanwhile, in the process of treating the desulfurization slag
- the core technology is integrated, so that a set of processes has two modes of use or configuration. Regardless of the online processing or the offline processing mode, the core technologies and equipment in the processing process are consistent, only by changing a small number of auxiliary processes or equipment configurations. It can quickly realize the conversion of two working modes, so as to meet the requirements of different occasions, expand the scope of application, achieve the purpose of flexible equipment configuration, wide use range and simple maintenance, reduce investment cost; short processing period and greatly improve production efficiency.
- the slag iron has high separation degree and meets the process requirements; the water resources are recycled and the production cost is reduced; the soot is collected and filtered to reduce environmental pollution.
- FIG. 1 is a schematic view of an off-line treatment device for desulfurization slag of the present invention
- FIG. 2 is a schematic view of an on-line processing device for desulfurization slag of the present invention
- the structure of the present invention as expressed in Fig. 1 and Fig. 2 is the overall structure of the slag iron separation and cooling device for the molten iron desulfurization slag, and includes the main equipment of the slag iron separation and cooling device.
- the invention aims to enable the desulphurization slag to be rapidly cooled and realize rapid and continuous industrial production while achieving sufficient separation of the slag iron, and the technical solution adopted by the present invention is:
- the slag iron separation and cooling device of the molten iron desulfurization slag of the present invention is configured in two modes of off-line processing and on-line processing; when configured in an off-line processing mode, the slag iron is separated and cooled.
- the device is provided with a lifting tilting device and a slag pot 1; when configured in an online processing mode, the slag iron separating and cooling device is provided with an online moving device 11.
- the above technical solution of the invention integrates the core technology in the desulfurization slag treatment process, so that one set of processes has two usage or configuration modes, and the core technology and equipment in the processing process are consistent regardless of the online processing or the offline processing mode. Only by changing the configuration of a small number of auxiliary processes or equipments, the two working modes can be quickly converted, so as to meet the requirements of different occasions, expand the scope of application, achieve the purpose of flexible equipment configuration, wide use range, and simple maintenance, and reduce Investment cost; short processing period, greatly improving production efficiency; high slag iron separation, meeting process requirements; water resources are recycled, reducing production costs; smoke dust collection and filtration, reducing environmental pollution.
- the lifting tilting device and the slag tank 1 are disposed at the front end of the main equipment of the slag iron separation and cooling device, and are separated from the slag iron, and the main device of the cooling device adopts a split design.
- the lifting tipping device and the slag tank 1 are special equipment accessories for off-line treatment of desulfurization slag.
- the lifting tipping device and the main body desulfurization slag processing equipment adopt a split design, which can be freely combined or split according to the requirements of the front end of the main equipment, and has flexible configuration.
- the main equipment of the slag iron separation and cooling device When configured in the offline processing mode; the main equipment of the slag iron separation and cooling device is placed on the basis of the fixed equipment. At this time, the main equipment of the slag iron separation and cooling device includes the slag slag machine and the platform 4 The slag device 2, the slag iron separation device 3, the cooling device 5, the purification device 7, and the discharge device 8. Thus, a set of high-temperature desulfurization slag off-line processing device for separating and cooling slag iron is formed.
- the desulfurized ladle 10 is disposed at the front end of the main apparatus of the slag iron separation and cooling device, and is separated from the slag iron, and the main device of the cooling device is of a split design.
- the main apparatus of the slag iron separation and cooling device When configured in an online processing mode, the main apparatus of the slag iron separation and cooling device includes a slag removing device 2, a slag separating device 3, a cooling device 5, a purifying device 7, and a discharging device 8, and the main body is The device is placed on the online mobile device 11; a receiving device 9 is further disposed at the rear end of the main device of the slag iron separation and cooling device. Thereby, a set of movable high-temperature desulfurization slag online processing device for separating and cooling slag iron is formed.
- a receiving device 9 is further disposed at a rear end of the main equipment of the slag iron separation and cooling device.
- the slag iron separating device 3 is placed below the slag removing device 2 to receive the desulfurized slag after screening.
- the cooling device 5 is connected to the slag separation device 3 to further cool the desulfurization slag after the slag separation.
- the purification device 7 is disposed after the cooling device 5 to purify the exhaust gas and dust generated during cooling.
- the slag assembly 2 is provided with a receiving hopper and a roller screen, the roller screens are arranged obliquely, and the roller screen is made of a high temperature resistant alloy material.
- a water circulation cooling passage is arranged in the roller screen shaft, and the cooling water is circulated through the cooling passage. It is used to cool the heat generated during the operation of the equipment to protect the equipment safety and stability of the slag installation.
- the slag iron separating device 3 is provided with an outer casing, a high-speed flywheel, etc.; the high-speed flywheel is placed in the outer casing, and the desulfurized slag falls from the upper part of the high-speed flywheel into the flywheel body, and after colliding with the high-speed flywheel, the cooling device is thrown along the tangential direction of the flywheel .
- the high speed flywheel blade adopts a fan shaped high temperature resistant blade.
- the high-speed flywheel shaft is provided with a water circulation cooling passage, and the cooling water is circulated through the cooling passage to protect the flywheel from work safety.
- the cooling device is provided with a cooling drum, a cylinder driving device 6, a circulating cooling device and the like; the cooling drum is divided into two sections connected in front and rear, and the front part is a receiving section, which is located at the feeding end of the cooling drum body, and the slag
- the iron separating device 3 is connected to receive the slag material thrown in the tangential direction of the flywheel; the rear part is a cooling section, which is located at the discharge end of the cooling drum and behind the receiving section, and the tail end is connected with the discharging system.
- the receiving section is located at the feeding end of the cooling drum; and the protective lining with a spiral fan blade is arranged inside the receiving section.
- the outer casing of the cooling drum adopts a tube-and-tube heat exchanger structure, and circulating cooling water is introduced into the sheet tube to perform indirect heat exchange with the slag material inside the cooling drum to cool the slag material.
- the cooling drum cooling section adopts a tube-tube heat exchanger structure, and the cooling water is circulated in the sheet tube to perform indirect heat exchange with the slag material inside the drum to cool the slag material;
- the cylinder of the cooling drum is driven to rotate by the cylinder driving device 6, and the cylinder driving device 6 is provided with a stepless speed regulating device, so that the rotational speed outputted by the driving device can realize stepless speed regulation.
- the circulating cooling device comprises a circulating water pump, a duct, a cooling tower, a water storage tank and a movable flexible water supply device, and provides circulating cooling water for the cooling drum.
- the purification device 7 is provided with a tail box, a gravity dust remover, a fan and a dust exhaust duct.
- the tail box is located at the rear of the cooling drum cooling section; the tail box inlet and the cooling drum outlet are connected by a rotary seal; the lower part of the tail box is provided with a discharge port, which is connected with the discharge hopper inlet, and is discharged.
- the gravity dust collector is disposed behind the tail box; the upper portion of the tail box is provided with an air outlet, and is connected with the air inlet of the gravity dust collector to discharge the smoke and the exhaust gas.
- the air outlet of the gravity dust collector and the air duct have two connection modes:
- the first type is that when the device is in the online processing state, the air outlet of the gravity dust collector is connected with the quick switching device of the air duct, so that when the device moves, the air duct is quickly separated, and the device is removed from the working position;
- the second type is that when the device is in the offline processing state, the processing device does not need to be moved, and the air duct is directly connected with the air outlet of the gravity dust collector, so there is no need to set the air duct quick switching device.
- the purifying device 7 is provided with a fan, and adopts a fan suction method to maintain a micro negative pressure state inside the processing device to prevent dust overflow generated during the production process of the KR slag processing device.
- the present invention also provides a treatment process for the slag iron separation and cooling device of the molten iron desulfurization slag described above, and the technical solution thereof is:
- the first step desulfurization of molten iron
- the second step the desulfurization slag is poured into the treatment equipment and sieved from the ladle;
- the third step pulverizing and dispersing the filtered desulfurization slag
- the fourth step cooling the desulfurized slag after pulverization and scattering
- the fifth step performing dust removal treatment on the desulfurization slag during cooling and/or after cooling;
- the sixth step transporting the desulfurization slag after dust removal, that is, one process cycle ends, and the next hot metal desulfurization.
- the slag iron separation and cooling device is in the slag slag area of the desulfurization slag, the hopper is placed in the slag slag station, the dust removal system and the water circulation system are started first, and then the slag slag device 2 is sequentially started.
- the desulfurization slag falls onto the high-speed flywheel in the slag-iron separating device 3, and is dispersed by the high-speed flywheel to realize slag-iron separation;
- the slag iron separating device 3 breaks up the molten iron in the desulfurized slag into pellets, and then throws it into the cooling drum. During the throwing process, the area of the molten iron particles in contact with the air is increased, and the preliminary air of the slag and the molten iron particles is completed. cool down;
- the desulfurization slag after being separated by the slag iron is buffered by the cooling drum receiving section and exchanges heat with the cylinder of the cooling drum, so that the surface of the molten iron particles is hardened and crusted, so that the slag and the iron are separated;
- the cooling drum After the desulfurized slag particles and the molten iron particles thrown by the slag iron separating device 3 pass through the cooling drum receiving section, the cooling drum gradually migrates to the cooling section of the cooling drum as the cooling drum rotates, and is indirectly insulated with the cooling section using the discharge pipe structure. Perform heat exchange to cool it to achieve the purpose of cooling the desulfurization slag;
- the cooled desulfurization slag is discharged from the lower part of the equipment tail box, and is transported by the conveying equipment to the material collection box for collection.
- the collection box is carried by the mobile equipment for subsequent processing, and the slag and iron are classified and recycled.
- the first step desulfurization of molten iron
- the second step the desulfurization slag is poured into the slag tank from the ladle;
- the third step transporting the slag tank to the lifting device of the offline device;
- the fourth step the desulfurization slag of the lifting device is taken into the processing equipment by the skimmer;
- the fifth step pulverizing and dispersing the filtered desulfurization slag
- the sixth step cooling the desulfurized slag after pulverization and scattering
- Step 7 performing dust removal treatment on the desulfurization slag during cooling and/or after cooling
- the eighth step transporting the desulfurization slag after dust removal, that is, one process cycle ends, and the next hot metal desulfurization.
- the off-line treatment process is that the treatment equipment is fixedly arranged in the non-desulfurization slag slag operation area, and a lifting tipping device and a slag slag machine device are added in front of the equipment slag sluice device 2; the slag slag to be treated is firstly slag slag operation
- the area is collected and transferred to the working position of the offline equipment, and is controlled by the lifting tilting device and the slag removing device installed in front of the slag removing device 2, and enters the slag removing device for processing;
- the offline processing hopper is placed behind the lifting tilting device, firstly starts the dust removing system and the water circulation system, and then starts the slag removing device 2, the slag iron separating device 3, the slag iron cooling device 5 and the discharging device 8, and the above equipment is fully activated. After that, the desulfurization slag is removed from the molten iron tank by a skimmer, and the desulfurized slag which is poured out falls into the slag removing device 2;
- the desulfurization slag falls onto the high-speed flywheel in the slag-iron separating device 3, and is dispersed by the high-speed flywheel to realize slag-iron separation;
- the slag iron separating device 3 breaks up the molten iron in the desulfurized slag into pellets, and then throws it into the cooling drum. During the throwing process, the area of the molten iron particles in contact with the air is increased, and the preliminary air of the slag and the molten iron particles is completed. cool down;
- the desulfurized slag which has been separated by the slag iron is buffered by the cooling drum receiving section and exchanges heat with the cylinder of the cooling drum, so that the surface of the molten iron particles hardens and encloses the shell to separate the slag and the iron;
- the cooling drum After the desulfurized slag particles and the molten iron particles thrown by the slag iron separating device 3 pass through the cooling drum receiving section, the cooling drum gradually migrates to the cooling section of the cooling drum as the cooling drum rotates, and is indirectly insulated with the cooling section using the discharge pipe structure. Perform heat exchange to cool it to achieve the purpose of cooling the desulfurization slag;
- the cooled desulfurization slag is discharged from the lower part of the equipment tail box, and is transported by the conveying equipment to the material collection box for collection.
- the collection box is carried by the mobile equipment for subsequent processing, and the slag and iron are classified and recycled.
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Abstract
一种铁水脱硫渣的渣铁分离、冷却装置的总体结构,该装置按离线处理和在线处理两种模式进行配置;在按离线处理模式配置时,设置提升倾翻装置及渣罐(1);在按在线处理模式配置时,设置在线移动装置(11)。该技术方案在实现渣铁充分分离的同时,还使其能够被快速冷却,实现快速连续化工业生产。
Description
交叉引用
本申请引用于2017年05月31日提交的专利名称为“铁水脱硫渣的渣铁分离、冷却装置的总体结构”的第2017103992163号中国专利申请,其通过引用被全部并入本申请。
本发明属于铁水预处理中的脱硫渣处理工艺技术及设备制造领域。更具体地,本发明涉及铁水脱硫渣在线或离线处理的渣铁分离、冷却装置的总体结构,均能对高温脱硫渣高效地进行渣铁分离和冷却处理。
目前,在冶炼行业中,脱硫渣的处理多采用喷水降温再破碎分离的处理方式。
现有技术的脱硫渣处理工艺是将渣罐布置于脱硫作业现场,脱硫作业后的铁水罐中热熔状态的脱硫渣,通过扒渣机直接从铁水罐中扒入渣罐,随后渣罐转入滴罐、闷坑或直接冷弃渣场,喷水降温后再机械破碎处理。
现有技术处理工艺存在的缺陷是渣铁分离度低和冷却周期长。另外,在处理过程中需要消耗大量水冷却高温脱硫渣,同时产生大量水蒸汽和烟尘,不仅浪费资源,而且污染环境。
发明内容
本发明提供铁水脱硫渣的渣铁分离、冷却装置及其处理工艺,其目的是在实现渣铁充分分离的同时,使脱硫渣能够被快速冷却,并能够实现快速连续化工业生产。
为了实现上述目的,本发明采取的技术方案为:
本发明的铁水脱硫渣的渣铁分离、冷却装置,包括渣铁分离、冷却装置的主体设备;
所述的渣铁分离、冷却装置按离线处理和在线处理两种模式进行配 置;
在按离线处理模式配置时,所述的渣铁分离、冷却装置设置提升倾翻装置及渣罐;
在按在线处理模式配置时,所述的渣铁分离、冷却装置设置在线移动装置。
按离线处理模式配置时,所述的提升倾翻装置及渣罐设置在渣铁分离、冷却装置的主体设备的前端,与所述的渣铁分离、冷却装置的主体设备采用分体设计。
按离线处理模式配置时;所述的渣铁分离、冷却装置的主体设备置于固定设备基础上,此时,所述的渣铁分离、冷却装置的主体设备包括扒渣机及平台、接渣装置、渣铁分离装置、冷却装置、净化装置和出料装置。
按在线处理模式配置时,在所述的渣铁分离、冷却装置的主体设备的前端设置脱硫铁水包,并与所述的渣铁分离、冷却装置的主体设备采用分体设计。
按在线处理模式配置时,所述的渣铁分离、冷却装置的主体设备包括接渣装置、渣铁分离装置、冷却装置、净化装置和出料装置,并将所述的主体设备置于所述的在线移动装置上;在所述的渣铁分离、冷却装置的主体设备的后端还设有接料装置。
在所述的渣铁分离、冷却装置的主体设备的后端还设有接料装置
所述渣铁分离装置置于接渣装置的下方,以承接筛选后的脱硫渣。
所述的冷却装置与渣铁分离装置相连接,进一步冷却渣铁分离后的脱硫渣。
所述的净化装置设置在冷却装置之后,以净化冷却时产生的尾气和粉尘。
所述的接渣装置设有接料斗和辊筛。所述的辊筛倾斜排列。所述的辊筛采用耐高温合金材料。
所述的辊筛轴内设有水循环冷却通道,冷却水经冷却通道循环。
所述的渣铁分离装置设置外壳、高速飞轮;所述高速飞轮置于外壳中,脱硫渣从高速飞轮上方落入飞轮体上,与高速飞轮碰撞后,沿飞轮切线方向抛入冷却装置。
所述的高速飞轮轴内设有水循环冷却通道,冷却水经冷却通道循环,保护飞轮工作安全。
所述的冷却装置设置冷却滚筒、筒体驱动装置和循环冷却装置;所述的冷却滚筒内部分为前后相连的两段,前部为承接段,位于冷却滚筒体进料端,与渣铁分离装置相连,承接沿飞轮切线方向抛入的渣料;后部为冷却段,位于冷却滚筒的出料端、承接段后方,其尾端与出料系统相连。
所述的承接段位于冷却滚筒进料端;所述的承接段内部设有防护衬板。所述的防护衬板是带有螺旋扇叶的防护衬板。
所述的冷却滚筒的外壳设置换热器。
所述的冷却滚筒的冷却段设置换热器。
所述的换热器采用片管换热器结构,片管内通入循环冷却水,与冷却滚筒内部渣料进行间接热交换,对渣料进行冷却。
所述的冷却滚筒的筒体由筒体驱动装置驱动旋转,所述的筒体驱动装置中设有调速装置。所述的调速装置为无极调速装置。
所述的循环冷却装置包括循环水泵、风管、冷却塔、储水箱及柔性供水装置,为冷却滚筒提供循环冷却用水。
所述的净化装置设有尾箱、重力除尘器、风机和排尘风管。
所述的尾箱位于冷却滚筒冷却段的后方;所述的尾箱进口与冷却滚筒出口采用旋转密封连接;所述尾箱下部设置出料口,与出料提升机进料口相连接;所述重力除尘器置于尾箱后方;所述尾箱后上部设置出风口,与所述的重力除尘器进风口相连接。
所述的重力除尘器出风口与风管有两种连接方式:
第一种是设备为在线处理工作状态时,重力除尘器出风口与风管快速切换装置连接,方便在设备移动时,快速分离风管,使设备脱离工作位置移出;
第二种是设备为离线处理工作状态时,处理设备无需移动,风管与重力除尘器出风口直接连接。
所述的净化装置设置风机,采用风机抽气的方式,使处理设备内部保持微负压状态。
为了实现与上述技术方案相同的发明目的,本发明还提供了以上所述 的铁水脱硫渣的渣铁分离、冷却装置采用的处理工艺,其技术方案是:
按在线处理模式配置时,所述的处理工艺的过程是:
第一步:铁水脱硫;
第二步:将脱硫渣从铁水包中扒入处理设备及筛分;
第三步:对筛选后的脱硫渣做粉碎打散处理;
第四步:对粉碎打散后的脱硫渣进行冷却处理;
第五步:对冷却过程中的和/或冷却后的脱硫渣进行除尘处理;
第六步:对除尘后的脱硫渣进行运输,即一个工艺循环结束,待下一次铁水脱硫。
按在线处理模式配置时,所述的处理工艺的具体方法是:
首先,在正常作业的情况下,渣铁分离、冷却装置处于脱硫渣扒渣接渣区,接料斗置于接渣工位,先启动除尘系统及水循环系统,再依次启动接渣装置、渣铁分离装置、渣铁冷却装置和出料装置;所述设备完全启动后,用扒渣机从铁水罐中将脱硫渣扒出,扒出的脱硫渣落入接渣装置;
所述脱硫渣经过接渣装置后,落入渣铁分离装置内的高速飞轮上,被高速飞轮进行打散,实现渣铁分离;
所述渣铁分离装置将脱硫渣中的铁水打散成颗粒状后,抛入冷却滚筒中,抛入过程中增加了铁水颗粒与空气接触的面积,完成了渣料和铁水颗粒的初步空气冷却;
被进行了渣铁分离后的脱硫渣,经过冷却滚筒承接段的缓冲并与冷却滚筒的筒体热交换,使其中的铁水颗粒表面硬化结壳,使渣和铁实现分离;
被渣铁分离装置抛出的脱硫渣粒与铁水颗粒经过冷却滚筒承接段以后,随着冷却滚筒的旋转,逐步迁移到冷却滚筒的冷却段,与采用排向管结构的冷却段冷却水间接进行热交换,使其冷却,达到对脱硫渣进行冷却的目的;
冷却后的脱硫渣自设备尾箱下部出渣,由输送设备输送至物料收集箱进行收集,收集箱由移动设备运载进行后续处理,对渣、铁进行分类并回收利用。
按离线处理模式配置时,所述的处理工艺的过程是:
第一步:铁水脱硫;
第二步:将脱硫渣从铁水包中扒入渣罐;
第三步:将渣罐运输至离线设备的提升倾翻装置;
第四步:将提升装置的脱硫渣用扒渣机扒入处理设备;
第五步:对筛选后的脱硫渣进行粉碎打散处理;
第六步:对粉碎打散后的脱硫渣进行冷却处理;
第七步:对冷却过程中的和/或冷却后的脱硫渣进行除尘处理;
第八步:对除尘后的脱硫渣进行运输,即一个工艺循环结束,待下一次铁水脱硫。
按离线处理模式配置时,所述的处理工艺的具体方法是:
所述离线处理工艺为处理设备固定布置于非脱硫渣扒渣作业区,并在设备接渣装置前增设提升倾翻装置和扒渣机装置;待处理脱硫渣先由渣罐在扒渣作业区收集并转运至离线设备工作位置,经接渣装置前增设的提升倾翻装置和扒渣机装置控制,进入接渣装置进行处理;
离线处理的接料斗置于提升倾翻装置后方,先启动除尘系统及水循环系统,再依次启动接渣装置、渣铁分离装置、渣铁冷却装置和出料装置,以上设备完全启动后,用扒渣机从铁水罐中将脱硫渣扒出,扒出的脱硫渣落入接渣装置;
所述脱硫渣经过接渣装置后,落入渣铁分离装置内的高速飞轮上,被高速飞轮进行打散,实现渣铁分离;
所述渣铁分离装置将脱硫渣中的铁水打散成颗粒状后,抛入冷却滚筒中,抛入过程中增加了铁水颗粒与空气接触的面积,完成了渣料和铁水颗粒的初步空气冷却;
被进行了渣铁分离的脱硫渣,经过冷却滚筒承接段的缓冲并与冷却滚筒的筒体热交换,使其中的铁水颗粒表面硬化结壳,使渣和铁实现分离;
被渣铁分离装置抛出的脱硫渣粒与铁水颗粒经过冷却滚筒承接段后,随着冷却滚筒的旋转,逐步迁移到冷却滚筒的冷却段,与采用排向管结构的冷却段冷却水间接进行热交换,使其冷却,达到对脱硫渣进行冷却的目的;
所述冷却后的脱硫渣自设备尾箱下部出渣,由输送设备输送至物料收集箱进行收集,收集箱由移动设备运载进行后续处理,对渣、铁进行分类 并回收利用。
本发明采用上述技术方案,将高温状态下的脱硫渣,在实现渣铁充分分离的同时,还使其能够被快速冷却,并能够实现快速连续化工业生产;同时,将脱硫渣处理工艺中的核心技术进行整合,做到一套工艺具有两种使用或配置模式,无论在线处理还是离线处理模式,其处理工艺中的核心技术和设备保持一致,仅通过改变少量辅助工艺或设备的配置,便可以迅速实现两种工作模式的转换,从而满足不同场合的使用要求,拓展适用范围,达到设备配置灵活、使用范围宽、维护简单的目的,降低投资成本;处理周期短,极大地提高了生产效率;渣铁分离度高,满足工艺要求;水资源得到循环利用,降低生产成本;烟尘集中收集过滤处理,减少环境污染。
附图内容及图中标记简要说明如下:
图1为本发明脱硫渣离线处理装置示意图;
图2为本发明脱硫渣在线处理装置示意图。
图中标记为:
1、提升倾翻装置及渣罐,2、接渣装置,3、渣铁分离装置,4、扒渣机及平台,5、渣铁冷却装置,6、滚筒驱动装置,7、净化装置,8、出料装置,9、接料装置,10、脱硫铁水包,11、在线移动装置。
下面对照附图,通过对实施例的描述,对本发明的具体实施方式作进一步详细的说明,以帮助本领域的技术人员对本发明的发明构思、技术方案有更完整、准确和深入的理解。
如图1、图2所表达的本发明的结构,为铁水脱硫渣的渣铁分离、冷却装置的总体结构,包括渣铁分离、冷却装置的主体设备。
为了解决现有技术存在的问题并克服其缺陷,在实现渣铁充分分离的同时,使脱硫渣能够被快速冷却,并能够实现快速连续化工业生产的发明目的,本发明采取的技术方案为:
如图1、图2所示,本发明的铁水脱硫渣的渣铁分离、冷却装置按离 线处理和在线处理两种模式进行配置;在按离线处理模式配置时,所述的渣铁分离、冷却装置设置提升倾翻装置及渣罐1;在按在线处理模式配置时,所述的渣铁分离、冷却装置设置在线移动装置11。
本发明的上述技术方案将脱硫渣处理工艺中的核心技术进行整合,做到一套工艺具有两种使用或配置模式,无论在线处理还是离线处理模式,其处理工艺中的核心技术和设备保持一致,仅通过改变少量辅助工艺或设备的配置,便可以迅速实现两种工作模式的转换,从而满足不同场合的使用要求,拓展适用范围,达到设备配置灵活、使用范围宽、维护简单的目的,降低投资成本;处理周期短,极大地提高了生产效率;渣铁分离度高,满足工艺要求;水资源得到循环利用,降低生产成本;烟尘集中收集过滤处理,减少环境污染。
具体的技术措施是:
按离线处理模式配置时,所述的提升倾翻装置及渣罐1设置在渣铁分离、冷却装置的主体设备的前端,与所述的渣铁分离、冷却装置的主体设备采用分体设计。
提升倾翻装置及渣罐1为脱硫渣离线处理专用设备配件,提伸倾翻装置与主体脱硫渣处理设备采用分体设计,可与主体设备前端按需求,自由组合或拆分,配置灵活。
按离线处理模式配置时;所述的渣铁分离、冷却装置的主体设备置于固定设备基础上,此时,所述的渣铁分离、冷却装置的主体设备包括扒渣机及平台4、接渣装置2、渣铁分离装置3、冷却装置5、净化装置7和出料装置8。由此形成一套渣铁分离、冷却一体的高温脱硫渣离线处理装置。
按在线处理模式配置时,在所述的渣铁分离、冷却装置的主体设备的前端设置脱硫铁水包10,并与所述的渣铁分离、冷却装置的主体设备采用分体设计。
按在线处理模式配置时,所述的渣铁分离、冷却装置的主体设备包括接渣装置2、渣铁分离装置3、冷却装置5、净化装置7和出料装置8,并将所述的主体设备置于所述的在线移动装置11上;在所述的渣铁分离、冷却装置的主体设备的后端还设有接料装置9。由此形成一套渣铁分离、冷却的一体的可移动的高温脱硫渣在线处理装置。
在所述的渣铁分离、冷却装置的主体设备的后端还设有接料装置9
所述渣铁分离装置3置于接渣装置2的下方,以承接筛选后的脱硫渣。
所述的冷却装置5与渣铁分离装置3相连接,进一步冷却渣铁分离后的脱硫渣。
所述的净化装置7设置在冷却装置5之后,以净化冷却时产生的尾气和粉尘。
所述的接渣装置2设有接料斗和辊筛,所述辊筛倾斜排列,辊筛采用耐高温合金材料。
所述的辊筛轴内设有水循环冷却通道,冷却水经冷却通道循环。用来冷却设备工作过程中产生的热量,以保护接渣装置的设备安全及运行的稳定性。
所述的渣铁分离装置3设置外壳、高速飞轮等;所述高速飞轮置于外壳中,脱硫渣从高速飞轮上方落入飞轮体上,与高速飞轮碰撞后,沿飞轮切线方向抛入冷却装置。
所述高速飞轮扇叶采用扇形耐高温叶片。
所述的高速飞轮轴内设有水循环冷却通道,冷却水经冷却通道循环,保护飞轮工作安全。
所述的冷却装置设置冷却滚筒、筒体驱动装置6和循环冷却装置等;所述的冷却滚筒内部分为前后相连的两段,前部为承接段,位于冷却滚筒体进料端,与渣铁分离装置3相连接,承接沿飞轮切线方向抛入的渣料;后部为冷却段,位于冷却滚筒的出料端、承接段后方,其尾端与出料系统相连接。
所述的承接段位于冷却滚筒进料端;所述的承接段内部设有带螺旋扇叶的防护衬板。
所述的冷却滚筒的外壳采用片管换热器结构,片管内通入循环冷却水,与冷却滚筒内部渣料进行间接热交换,对渣料进行冷却。
所述的冷却滚筒冷却段采用片管换热器结构,片管内通循环冷却水,与滚筒内部渣料进行间接热交换,对渣料进行冷却;
所述的冷却滚筒的筒体由筒体驱动装置6驱动旋转,所述的筒体驱动装置6中设有无极调速装置,使得驱动装置输出的转速可以实现无极调速。
所述的循环冷却装置包括循环水泵、风管、冷却塔、储水箱及可移动的柔性供水装置,为冷却滚筒提供循环冷却用水。
所述的净化装置7设有尾箱、重力除尘器、风机和排尘风管等。
所述的尾箱位于冷却滚筒冷却段的后方;所述的尾箱进口与冷却滚筒出口采用旋转密封连接;所述尾箱下部设置出料口,与出料提升机进料口相连接,排出物料;所述重力除尘器置于尾箱后方;所述尾箱后上部设置出风口,与所述的重力除尘器进风口相连接,排出烟尘、废气。
所述的重力除尘器出风口与风管有两种连接方式:
第一种是设备为在线处理工作状态时,重力除尘器出风口与风管快速切换装置连接,方便在设备移动时,快速分离风管,使设备脱离工作位置移出;
第二种是设备为离线处理工作状态时,处理设备无需移动,风管与重力除尘器出风口直接连接,因此,无需设置风管快速切换装置。
所述的净化装置7设置风机,采用风机抽气的方式,使处理设备内部保持微负压状态,防止KR渣处理设备生产过程中产生的扬尘外溢。
为了实现与上述技术方案相同的发明目的,本发明还提供了以上所述的铁水脱硫渣的渣铁分离、冷却装置采用的处理工艺,其技术方案是:
按在线处理模式配置时,所述的处理工艺的过程是:
第一步:铁水脱硫;
第二步:将脱硫渣从铁水包中扒入处理设备及筛分;
第三步:对筛选后的脱硫渣做粉碎打散处理;
第四步:对粉碎打散后的脱硫渣进行冷却处理;
第五步:对冷却过程中的和/或冷却后的脱硫渣进行除尘处理;
第六步:对除尘后的脱硫渣进行运输,即一个工艺循环结束,待下一次铁水脱硫。
按在线处理模式配置时,所述的处理工艺的具体方法是:
首先,在正常作业的情况下,渣铁分离、冷却装置处于脱硫渣扒渣接渣区,接料斗置于接渣工位,先启动除尘系统及水循环系统,再依次启动接渣装置2、渣铁分离装置3、渣铁冷却装置5和出料装置8;所述设备完全启动后,用扒渣机从铁水罐中将脱硫渣扒出,扒出的脱硫渣落入接渣装 置2;
所述脱硫渣经过接渣装置2后,落入渣铁分离装置3内的高速飞轮上,被高速飞轮进行打散,实现渣铁分离;
所述渣铁分离装置3将脱硫渣中的铁水打散成颗粒状后,抛入冷却滚筒中,抛入过程中增加了铁水颗粒与空气接触的面积,完成了渣料和铁水颗粒的初步空气冷却;
被进行了渣铁分离后的脱硫渣,经过冷却滚筒承接段的缓冲并与冷却滚筒的筒体热交换,使其中的铁水颗粒表面硬化结壳,使渣和铁实现分离;
被渣铁分离装置3抛出的脱硫渣粒与铁水颗粒经过冷却滚筒承接段以后,随着冷却滚筒的旋转,逐步迁移到冷却滚筒的冷却段,与采用排向管结构的冷却段冷却水间接进行热交换,使其冷却,达到对脱硫渣进行冷却的目的;
冷却后的脱硫渣自设备尾箱下部出渣,由输送设备输送至物料收集箱进行收集,收集箱由移动设备运载进行后续处理,对渣、铁进行分类并回收利用。
按离线处理模式配置时,所述的处理工艺的过程是:
第一步:铁水脱硫;
第二步:将脱硫渣从铁水包中扒入渣罐;
第三步:将渣罐运输至离线设备的提升倾翻装置;
第四步:将提升装置的脱硫渣用扒渣机扒入处理设备;
第五步:对筛选后的脱硫渣进行粉碎打散处理;
第六步:对粉碎打散后的脱硫渣进行冷却处理;
第七步:对冷却过程中的和/或冷却后的脱硫渣进行除尘处理;
第八步:对除尘后的脱硫渣进行运输,即一个工艺循环结束,待下一次铁水脱硫。
按离线处理模式配置时,所述的处理工艺的具体方法是:
所述离线处理工艺为处理设备固定布置于非脱硫渣扒渣作业区,并在设备接渣装置2前增设提升倾翻装置和扒渣机装置;待处理脱硫渣先由渣罐在扒渣作业区收集并转运至离线设备工作位置,经接渣装置2前增设的提升倾翻装置和扒渣机装置控制,进入接渣装置进行处理;
离线处理的接料斗置于提升倾翻装置后方,先启动除尘系统及水循环系统,再依次启动接渣装置2、渣铁分离装置3、渣铁冷却装置5和出料装置8,以上设备完全启动后,用扒渣机从铁水罐中将脱硫渣扒出,扒出的脱硫渣落入接渣装置2;
所述脱硫渣经过接渣装置2后,落入渣铁分离装置3内的高速飞轮上,被高速飞轮进行打散,实现渣铁分离;
所述渣铁分离装置3将脱硫渣中的铁水打散成颗粒状后,抛入冷却滚筒中,抛入过程中增加了铁水颗粒与空气接触的面积,完成了渣料和铁水颗粒的初步空气冷却;
被进行了渣铁分离的脱硫渣,经过冷却滚筒承接段的缓冲并与冷却滚筒的筒体热交换,使其中的铁水颗粒表面硬化结壳,使渣和铁实现分离;
被渣铁分离装置3抛出的脱硫渣粒与铁水颗粒经过冷却滚筒承接段后,随着冷却滚筒的旋转,逐步迁移到冷却滚筒的冷却段,与采用排向管结构的冷却段冷却水间接进行热交换,使其冷却,达到对脱硫渣进行冷却的目的;
所述冷却后的脱硫渣自设备尾箱下部出渣,由输送设备输送至物料收集箱进行收集,收集箱由移动设备运载进行后续处理,对渣、铁进行分类并回收利用。
上面结合附图对本发明进行了示例性描述,显然本发明具体实现并不受上述方式的限制,只要采用了本发明的方法构思和技术方案进行的各种非实质性的改进,或未经改进将本发明的构思和技术方案直接应用于其它场合的,均在本发明的保护范围之内。
Claims (30)
- 铁水脱硫渣的渣铁分离、冷却装置的总体结构,所述的渣铁分离、冷却装置包括渣铁分离、冷却装置的主体设备;其特征在于:所述的渣铁分离、冷却装置按离线处理和在线处理两种模式进行配置。
- 按照权利要求1所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:在按离线处理模式配置时,所述的渣铁分离、冷却装置设置提升倾翻装置及渣罐(1);在按在线处理模式配置时,所述的渣铁分离、冷却装置设置在线移动装置(11)。
- 按照权利要求2所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:按离线处理模式配置时,所述的提升倾翻装置及渣罐(1)设置在渣铁分离、冷却装置的主体设备的前端,与所述的渣铁分离、冷却装置的主体设备采用分体设计。
- 按照权利要求3所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:按离线处理模式配置时;所述的渣铁分离、冷却装置的主体设备置于固定设备基础上,此时,所述的渣铁分离、冷却装置的主体设备包括扒渣机及平台(4)、接渣装置(2)、渣铁分离装置(3)、冷却装置(5)、净化装置(7)和出料装置(8)。
- 按照权利要求2所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:按在线处理模式配置时,在所述的渣铁分离、冷却装置的主体设备的前端设置脱硫铁水包(10),并与所述的渣铁分离、冷却装置的主体设备采用分体设计。
- 按照权利要求5所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:按在线处理模式配置时,所述的渣铁分离、冷却装置的主体设备包括接渣装置(2)、渣铁分离装置(3)、冷却装置(5)、净化装置(7)和出料装置(8),并将所述的主体设备置于所述的在线移动装置(11)上;在所述的渣铁分离、冷却装置的主体设备的后端还设有 接料装置(9)。
- 按照权利要求4所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:在所述的渣铁分离、冷却装置的主体设备的后端还设有接料装置(9)。
- 按照权利要求4或6所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述渣铁分离装置(3)置于接渣装置(2)的下方,以承接筛选后的脱硫渣。
- 按照权利要求2所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的冷却装置(5)与渣铁分离装置(3)相连接,进一步冷却渣铁分离后的脱硫渣。
- 按照权利要求4所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的净化装置(7)设置在冷却装置(5)之后,以净化冷却时产生的尾气和粉尘。
- 按照权利要求4或6所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的接渣装置(2)设有接料斗和辊筛。
- 按照权利要求11所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的辊筛倾斜排列。
- 按照权利要求11所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的辊筛采用耐高温合金材料。
- 按照权利要求11所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的辊筛轴内设有水循环冷却通道,冷却水经冷却通道循环。
- 按照权利要求4或6所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的渣铁分离装置(3)设置外壳、高速飞轮;所述高速飞轮置于外壳中,脱硫渣从高速飞轮上方落入飞轮体上,与高速飞轮碰撞后,沿飞轮切线方向抛入冷却装置。
- 按照权利要求15所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的高速飞轮轴内设有水循环冷却通道,冷却水经冷却通道循环,保护飞轮工作安全。
- 按照权利要求4或6所述的铁水脱硫渣的渣铁分离、冷却装置的 总体结构,其特征在于:所述的冷却装置设置冷却滚筒、筒体驱动装置(6)和循环冷却装置;所述的冷却滚筒内部分为前后相连的两段,前部为承接段,位于冷却滚筒体进料端,与渣铁分离装置(3)相连,承接沿飞轮切线方向抛入的渣料;后部为冷却段,位于冷却滚筒的出料端、承接段后方,其尾端与出料系统相连。
- 按照权利要求17所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的承接段位于冷却滚筒进料端;所述的承接段内部设有防护衬板。
- 按照权利要求18所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的防护衬板是带螺旋扇叶的防护衬板。
- 按照权利要求17所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的冷却滚筒的外壳设置换热器。
- 按照权利要求20所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的换热器采用片管换热器结构,片管内通入循环冷却水,与冷却滚筒内部渣料进行间接热交换,对渣料进行冷却。
- 按照权利要求17所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的冷却滚筒的冷却段设置换热器。
- 按照权利要求22所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的换热器采用片管换热器结构,片管内通入循环冷却水,与冷却滚筒内部渣料进行间接热交换,对渣料进行冷却。
- 按照权利要求17所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的冷却滚筒的筒体由筒体驱动装置(6)驱动旋转,所述的筒体驱动装置(6)中设有调速装置。
- 按照权利要求24所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的调速装置为无极调速装置。
- 按照权利要求17所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的循环冷却装置包括循环水泵、风管、冷却塔、储水箱及柔性供水装置,为冷却滚筒提供循环冷却用水。
- 按照权利要求4或6所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的净化装置(7)设有尾箱、重力除尘器、 风机和排尘风管。
- 按照权利要求27所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的尾箱位于冷却滚筒冷却段的后方;所述的尾箱进口与冷却滚筒出口采用旋转密封连接;所述尾箱下部设置出料口,与出料提升机进料口相连接;所述重力除尘器置于尾箱后方;所述尾箱后上部设置出风口,与所述的重力除尘器进风口相连接。
- 按照权利要求28所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的重力除尘器出风口与风管有两种连接方式:第一种是设备为在线处理工作状态时,重力除尘器出风口与风管快速切换装置连接,方便在设备移动时,快速分离风管,使设备脱离工作位置移出;第二种是设备为离线处理工作状态时,处理设备无需移动,风管与重力除尘器出风口直接连接。
- 按照权利要求27所述的铁水脱硫渣的渣铁分离、冷却装置的总体结构,其特征在于:所述的净化装置(7)设置风机,采用风机抽气的方式,使处理设备内部保持微负压状态。
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CN115254319A (zh) * | 2022-06-23 | 2022-11-01 | 山东钢铁股份有限公司 | 一种从铁水预处理脱硫渣中分离原生大鳞片石墨的装置及方法 |
CN115710608A (zh) * | 2021-08-23 | 2023-02-24 | 宝山钢铁股份有限公司 | 一种从铸余渣中分离钢水的专用渣包、装置及方法 |
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CN106957938B (zh) * | 2017-05-31 | 2018-05-01 | 马鞍山市双益机械制造有限公司 | 铁水脱硫渣的渣铁分离、冷却装置的总体结构 |
CN113621743A (zh) | 2020-05-06 | 2021-11-09 | 宝山钢铁股份有限公司 | 一种多相态钢渣高效率处理方法及装置 |
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- 2017-05-31 CN CN201710399216.3A patent/CN106957938B/zh active Active
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CN115710608A (zh) * | 2021-08-23 | 2023-02-24 | 宝山钢铁股份有限公司 | 一种从铸余渣中分离钢水的专用渣包、装置及方法 |
CN115710608B (zh) * | 2021-08-23 | 2024-02-13 | 宝山钢铁股份有限公司 | 一种从铸余渣中分离钢水的专用渣包、装置及方法 |
CN115254319A (zh) * | 2022-06-23 | 2022-11-01 | 山东钢铁股份有限公司 | 一种从铁水预处理脱硫渣中分离原生大鳞片石墨的装置及方法 |
CN115254319B (zh) * | 2022-06-23 | 2023-12-05 | 山东钢铁股份有限公司 | 一种从铁水预处理脱硫渣中分离原生大鳞片石墨的装置及方法 |
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CN106957938A (zh) | 2017-07-18 |
KR20200015598A (ko) | 2020-02-12 |
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