CN115094188A - Molten iron desulphurization slag removing machine transformation device and operation method thereof - Google Patents
Molten iron desulphurization slag removing machine transformation device and operation method thereof Download PDFInfo
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- CN115094188A CN115094188A CN202210765653.3A CN202210765653A CN115094188A CN 115094188 A CN115094188 A CN 115094188A CN 202210765653 A CN202210765653 A CN 202210765653A CN 115094188 A CN115094188 A CN 115094188A
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- slag
- raking
- claw
- slag removing
- head
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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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/005—Removing slag from a molten metal surface
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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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- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses a modification device of a molten iron desulphurization slag remover and an operation method thereof, wherein the modification device comprises a slag removing component, a pressing and lifting component and a removing and conveying component, the slag removing component comprises a slag removing head, a slag removing claw and a slag removing claw driving mechanism, the slag removing claw comprises a left slag removing claw, a middle slag removing claw and a right slag removing claw, the left slag removing claw and the right slag removing claw are arranged on the left side and the right side of the middle slag removing claw and are scattered towards two sides in a V shape, the slag removing head is provided with a left slag removing claw, a middle slag removing claw and a right slag removing claw front side, and the slag removing claw driving mechanism is arranged on the rear side of the slag removing claw and is used for moving the slag removing claw back and forth according to the distribution of iron slag in a molten iron tank and adjusting the maximum width of the slag removing head on the front side of the left slag removing claw and the right slag removing claw; the pressing and lifting component controls the slag raking head to press down and lift up, and the raking and conveying component is used for controlling the slag raking head to move forwards and backwards. The invention solves the problems of high operation cost and poor operation reliability of the existing slag raking machine.
Description
Technical Field
The invention belongs to the technical field of molten iron slagging-off, and particularly relates to a modification device of a molten iron desulphurization slagging-off machine.
Background
In the slagging-off process of the existing molten iron desulphurization slagging-off machine, the position of a slagging-off component is required to be adjusted according to iron slag in different ranges, the slagging-off component realizes slagging-off positioning through a rotary mechanism, the rotary mechanism mainly comprises an oil motor, a speed reducer, a rotary support and a pinion, the running and maintenance cost of the rotary mechanism is high, equipment accidents such as connection bolt cutting, bearing cracking of the speed reducer and the like frequently occur due to frequent running of the rotary mechanism during slagging-off, and the slagging-off component is easy to vibrate when being positioned in the air, so that the service life of the slagging-off machine is influenced.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a modification device of a molten iron desulphurization slag-raking machine and an operation method thereof, which solve the problems of high operation cost and poor operation reliability of the existing slag-raking machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a modification device for a molten iron desulphurization slagging-off machine comprises a slagging-off component, a slag removal component and a slag removal claw driving mechanism, wherein the slagging-off component is used for slagging off iron slag in a molten iron tank into a slag car and comprises a slagging-off head, a slagging-off claw and a slagging-off claw driving mechanism, the slagging-off claw comprises a left slagging-off claw, a middle slagging-off claw and a right slagging-off claw, the left slagging-off claw and the right slagging-off claw are arranged on the left side and the right side of the middle slagging-off claw and are scattered towards two sides in a V shape, the slagging-off head is arranged on the front sides of the left slagging-off claw, the middle slagging-off claw and the right slagging-off claw and is used for slagging off the iron slag, and the slagging-off claw driving mechanism is arranged on the rear side of the slagging-off claw and is used for moving the slagging-off claw back and forth according to the distribution of the iron slag in the molten iron tank and adjusting the maximum width of the left slagging-off claw and the right slagging-off claw;
the slag removing device also comprises a pressing and lifting part and a removing and conveying part, wherein the pressing and lifting part is connected with the slag removing part and used for controlling the slag removing head to press down and lift up, and the removing and conveying part is connected with the pressing and lifting part and used for controlling the slag removing head to move forward and backward.
Further, the driving mechanism of the slag raking claw comprises a guide rod, a guide plate, a push plate and a hydraulic cylinder, wherein the guide plate and the hydraulic cylinder are fixed on the hydraulic support, the push plate comprises a left push plate penetrating through a left slag raking claw rear side clamping groove, a middle push plate penetrating through a middle slag raking claw rear side clamping groove and a right push plate penetrating through a right slag raking claw) rear side clamping groove, the middle push plate is connected with a piston rod of the hydraulic cylinder, inserting plates are arranged on the left side and the right side of the middle push plate, the left push plate and the right push plate are provided with inserting holes corresponding to the inserting plates, the guide rod is fixed on the guide plate and comprises a left guide rod corresponding to the left slag raking claw, a middle guide rod corresponding to the middle slag raking claw and a right guide rod corresponding to the right slag raking claw, and the left guide rod, the middle guide rod and the right guide rod penetrate into guide holes of the left push plate, the middle push plate and the right push plate respectively.
Further, the guide plate comprises a guide plate left side part, a guide plate middle part and a guide plate right side part, the guide plate left side part and the guide plate right side part are bent towards one side of the first hydraulic cylinder, and the bending angle is consistent with the left slag raking claw and the right slag raking claw and the scattering angle.
Furthermore, the left push plate is parallel to the left part of the guide plate, and the right push plate is parallel to the right part of the guide plate.
Furthermore, the slag raking head comprises a left slag raking head arranged on the front side of the left slag raking claw, a middle slag raking head arranged on the front side of the middle slag raking claw and a right slag raking head arranged on the front side of the right slag raking claw, wherein slag raking plates at the bottoms of the left slag raking head and the right slag raking head are obliquely arranged, the slag raking plates at the bottom of the middle slag raking head are horizontally arranged, and arc-shaped digging plates are formed after the slag raking plates at the bottoms of the left slag raking head, the middle slag raking head and the right slag raking head are spliced.
Further, the pressure lifting part comprises a leakage type support, a second hydraulic cylinder, a saddle frame, a wheel shaft and a roller, the front side of the leakage type support is fixedly connected with the tail of the hydraulic support, the tail of the leakage type support is connected with a piston rod of the second hydraulic cylinder through a bolt, a through hole in the bottom of the leakage type support is connected with one side of the saddle frame through a pin, the tail of the second hydraulic cylinder is connected with the other side of the saddle frame through a pin, and the wheel shaft) penetrates through the bottom of the saddle frame to be connected with the roller.
Furthermore, the pushing and conveying part comprises a pushing and pulling support, a bearing seat, a driving shaft, a driving chain wheel, a chain, a shaft coupling, a hydraulic motor and a driven shaft, the bearing seat is fixedly connected in a box body on the rear side of the pushing and pulling support, the driving shaft penetrates through the bearing seat through a bearing and is in key connection with the driving chain wheel, the hydraulic motor is connected with the driving shaft through the shaft coupling, the driven shaft penetrates through a bearing on the front side of the pushing and pulling support and is in key connection with the driven chain wheel, the chain is sleeved on the driving chain wheel and the driven chain wheel, and the chain is connected with a chain connecting block fixed on the saddle frame.
The operation method of the modification device of the molten iron desulphurization slag-raking machine comprises the following steps,
s1, controlling the slag-raking claw to move forwards through the slag-raking claw driving mechanism according to the caliber of the hot metal ladle, and gradually increasing the maximum width of the slag-raking heads on the front sides of the left slag-raking claw and the right slag-raking claw until the maximum width is equal to the inner diameter of a ladle opening of the hot metal ladle;
and S2, lifting the slag raking head through the pressing and lifting component, so that the height of the slag raking head is slightly higher than the top of the hot metal ladle.
S3, driving the slag raking head to move forwards through the raking component until the slag raking head is positioned above the mouth of the hot metal ladle;
s4, pressing down the slag raking head through the pressing and lifting component to enable the slag raking head to be inserted into molten iron in the molten iron tank;
s5, controlling the slag raking claw to move backwards by a certain distance through the slag raking claw driving mechanism, and raking the iron slag in the molten iron tank to move towards the tank opening through the slag raking head;
and S3, driving the slag raking head to continuously move backwards through the raking and conveying part until the slag raking head leaves the molten iron tank, and raking the molten iron in the molten iron tank into the slag car.
Repeating the processes until the iron slag amount in the slag car meets the production requirement.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the slag-raking machine, the complex rotary parts in the slag-raking machine are replaced by the slag-raking claw driving mechanism, so that the operation cost is reduced, and the operation reliability of the slag-raking machine is enhanced.
2. The slag raking claw can move back and forth according to the distribution of iron slag in the hot-metal ladle, the maximum width of the slag raking heads on the front sides of the left and right slag raking claws is adjusted by changing the advancing distance of the left and right slag raking claws, the slag raking range of the slag raking machine is changed, and the hot-metal ladle with different conditions can be accurately slag raked.
3. The device realizes that a plurality of slag raking heads simultaneously rake the slag and improves the working efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a slag-raking machine modification device;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of a slag-raking component;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a structural schematic view of a slag raking plate of the left slag raking head;
FIG. 6 is a schematic diagram of a slag-off plate structure of a middle slag-off head;
FIG. 7 is a structural schematic view of a right slag-raking head slag-raking plate;
FIG. 8 is a schematic diagram of slag skimming positioning;
FIG. 9 is a schematic view of a press-and-lift member;
FIG. 10 is a right side view of FIG. 10;
FIG. 11 is a schematic view of a pusher assembly;
FIG. 12 is a top view of FIG. 11;
fig. 13 is a partial cross-sectional view of fig. 11.
In the figure: 1-a slag removal component; 2-a press and lift component; 3-picking and conveying the component; 11-slagging off the head; 111-left slag-off head; 112-middle slag-raking head; 113-right slag-off head; 114-slag removing plate; 12-slag removal claws; 121-left slag-removing claw; 122-middle slag-removing claw; 123-right slag removing claw; 13-a guide bar; 131-a left guide bar; 132-a center guide bar; 133-right guide bar; 14-a guide plate; 141-guide plate left part; 142-guide plate right portion; 15-push plate; 151-left push plate; 152-a middle push plate; 153-right push plate; 154-plug board; 16-a hydraulic cylinder; 17-a hydraulic support; 21-a funnel stent; 22-second hydraulic cylinder; 23-a saddle frame; 24-an axle; 25-roller; 26-chain connecting blocks; 31-picking the support; 32-a bearing seat; 33-a drive shaft; 34-a drive sprocket; 35-a chain; 36-a coupling; 37-a hydraulic motor; 38-driven shaft.
The specific implementation mode is as follows:
the invention is further explained below with reference to the drawings.
As shown in fig. 1 to 3, the device for modifying the molten iron desulphurization slag removing machine comprises a slag removing component 1, a pressing and lifting component 2 and a removing component 3, wherein the slag removing component 1 is used for removing iron slag in a molten iron tank into a slag car, the slag removing component 1 comprises a slag removing head 11, a slag removing claw 12 and a slag removing claw driving mechanism, the slag removing claw 12 comprises a left slag removing claw 121, a middle slag removing claw 122 and a right slag removing claw 123, the left slag removing claw 121 and the right slag removing claw 123 are arranged on the left side and the right side of the middle slag removing claw 122 and are scattered towards two sides in a v shape, the slag removing head 11 is arranged on the front sides of the left slag removing claw 121, the middle slag removing claw 122 and the right slag removing claw 123 and is used for removing iron slag, the slag removing claw driving mechanism is arranged on the rear side of the slag removing claw 12 and is used for moving the slag removing claw 12 back and forth according to the distribution of the iron slag in the molten iron tank and adjusting the maximum width of the slag removing head 11 on the front sides of the left slag removing claw 121 and the right slag removing claw 123.
As shown in fig. 2 and 3, the slag removing claw driving mechanism comprises a guide rod 13, a guide plate 14, a push plate 15 and a first hydraulic cylinder 16, the guide plate 14 and the first hydraulic cylinder 16 are fixed on a hydraulic support 17, the push plate 15 comprises a left push plate 151 penetrating through a rear side clamping groove of the left slag removing claw 121, a middle push plate 152 penetrating through a rear side clamping groove of the middle slag removing claw 122, and a right push plate 153 penetrating through a rear side clamping groove of the right slag removing claw 123, the middle push plate 152 is connected with a piston rod of the first hydraulic cylinder 16, inserting plates 154 are arranged on the left side and the right side, the left push plate 151 and the right push plate 153 are provided with inserting holes corresponding to the inserting plates 154, the guide rod 13 is fixed on the guide plate 14 and comprises a left guide rod 131 corresponding to the left slag removing claw 121, a middle guide rod 132 corresponding to the middle slag removing claw 122, and a right guide rod 133 corresponding to the right slag removing claw 123, and the left guide rod 131, the middle guide rod 132, the right guide rod 133 and the left push plate 151, The middle push plate 152 and the right push plate 153.
In order to prevent the pushing direction of the push plate 15 from being inconsistent with the running direction of the left slag-raking claw 121 and the right slag-raking claw 123. The guide plate comprises a guide plate left part 141, a guide plate middle part and a guide plate right part 142, the guide plate left part 141 and the guide plate right part 142 are bent towards one side of the first hydraulic cylinder 16, and the bending angle is consistent with the left slag-raking claw 121 and the right slag-raking claw 123 and the scattering angle. Accordingly, the left push plate 151 is parallel to the guide plate left portion 141 and the right push plate 153 is parallel to the guide plate right portion 142.
In addition, the transverse lengths of the left push plate 151 and the right push plate 153 are properly prolonged, so that the three slag-raking claws are uniformly stressed when the left slag-raking claw 121 and the right slag-raking claw 123 move forwards to the limit positions.
As shown in fig. 4-7, the slag-raking head 11 comprises a left slag-raking head 111 arranged at the front side of the left slag-raking claw 121, a middle slag-raking head 112 arranged at the front side of the middle slag-raking claw 122, and a right slag-raking head 113 arranged at the front side of the right slag-raking claw 123, wherein the slag-raking plates 114 at the bottoms of the left slag-raking head 111 and the right slag-raking head 113 are obliquely arranged and form an included angle of 45 degrees with the horizontal plane, the slag-raking plates 114 at the bottom of the middle slag-raking head 112 are horizontally arranged, and the slag-raking plates 114 at the bottoms of the left slag-raking head 111, the middle slag-raking head 112 and the right slag-raking head 113 are spliced to form an arc-shaped digging plate.
As shown in fig. 3 and 8, when the slag-raking claw driving mechanism works, the first hydraulic cylinder 16 pushes the middle pushing plate 152 to move forward or backward, and when the middle pushing plate 152 moves forward, the inserting plate 154 drives the left pushing plate 151 and the right pushing plate 153 to move forward along the left guide rod 131 and the right guide rod 133 respectively, so as to drive the left slag-raking claw 121 and the right slag-raking claw 123 to extend forward while keeping the v-shape to be spread towards two sides, so that the maximum widths of the left slag-raking claw 121 and the right slag-raking head 113 at the front ends of the left slag-raking claw 121 and the right slag-raking claw 123 are gradually increased, and thus the slag-raking range of the slag-raking head 11 is enlarged.
When the middle pushing plate 152 retreats, the left pushing plate 151 and the right pushing plate 153 are driven by the inserting plate 154 to retreat along the left guide rod 131 and the right guide rod 133 respectively, and the left slag-raking claw 121 and the right slag-raking claw 123 are driven to retract backwards under the condition that the V shape is kept to be dispersed towards two sides, so that the maximum widths of the left slag-raking claw 121 and the right slag-raking head 113 at the front ends of the left slag-raking claw 121 and the right slag-raking claw 123 gradually become smaller, and the slag-raking range of the slag-raking head 11 is reduced.
As shown in fig. 9 and 10, the pressing and lifting part 2 is connected with the slag-raking part 1 and is used for controlling the pressing and lifting of the slag-raking head 11. The pressure-lifting part comprises a leakage type support 21, a second hydraulic cylinder 22, a saddle frame 23, a wheel shaft 24 and a roller 25, the front side of the leakage type support 21 is fixedly connected with the tail part of the hydraulic support 17, the tail part of the leakage type support 21 is connected with a piston rod of the second hydraulic cylinder 22 through a bolt, a through hole in the bottom of the leakage type support 21 is connected with one side of the saddle frame 23 through a pin, the tail part of the second hydraulic cylinder 22 is connected with the other side of the saddle frame 23 through a pin, and the wheel shaft 24 penetrates through the bottom of the saddle frame 23 to be connected with the roller 25.
The piston rod of the second hydraulic cylinder 22 extends to drive the drain support 21 to rotate anticlockwise around a pin connected with the saddle frame 23 at the bottom of the drain support 21, and the front side of the drain support 21 is lowered, so that the slag removing component 1 is driven to be pressed downwards integrally. The piston rod of the second hydraulic cylinder 22 extends to drive the drain type support 21 to rotate clockwise around the pin connected with the saddle frame 23 at the bottom of the drain type support 21, and the front side of the drain type support 21 rises, so that the slag removing component 1 is driven to lift up integrally.
As shown in fig. 11 and 12, the pushing and conveying component 3 is connected with the pressing and lifting component 2 and is used for controlling the slag raking head 11 to move forwards and backwards. The pushing and pulling part comprises a pushing and pulling support 31, a bearing seat 32, a driving shaft 33, a driving chain wheel 34, a chain 35, a coupling 36, a hydraulic motor 37 and a driven shaft 38, the bearing seat 32 is fixedly connected in a box body on the rear side of the pushing and pulling support 31, the driving shaft 33 penetrates through the bearing seat 32 through a bearing and is in key connection with the driving chain wheel 34, the hydraulic motor 37 is connected with the driving shaft 33 through the coupling 36, the driven shaft 38 penetrates through a bearing on the front side of the pushing and pulling support 31 and is in key connection with the driven chain wheel, the chain 35 is sleeved on the driving chain wheel 34 and the driven chain wheel, and the chain 35 is connected with a chain connecting block 26 fixed on the saddle frame 23.
The hydraulic motor 37 drives the driving sprocket 34 on the driving shaft 33 to rotate, the driving sprocket 34 drives the chain 35 to run, the chain 35 drives the saddle frame 23 to move forward or backward along the conveying and raking support 31, and the pressing and lifting part 2 drives the slag raking part 1 to move forward or backward together.
The operation method of the improved device of the molten iron desulphurization slag-raking machine is characterized by comprising the following steps,
s1, controlling the slag-raking claw 12 to move forwards through the slag-raking claw driving mechanism according to the caliber of the hot metal ladle, extending a piston rod of the first hydraulic cylinder 16 to drive the push plate 15 to move forwards horizontally, pushing the slag-raking claw 12 to extend out along the direction of the guide rod 13 simultaneously, and gradually increasing the maximum width of the slag-raking heads 11 on the front sides of the left slag-raking claw 121 and the right slag-raking claw 123 until the maximum width is equal to the inner diameter of a ladle opening of the hot metal ladle;
s2, the slag raking head 11 is lifted through the pressing and lifting component 2, a piston rod of the second hydraulic cylinder 22 contracts, the joint of the leakage type support 21 and the saddle frame 23 is used as a fulcrum, the leakage type support 21 and the slag raking component 1 are lifted through a lever effect, and the height of the slag raking head 11 is slightly higher than the top of the molten iron tank;
s3, the slag raking head 11 is driven to move forwards through the raking part 3, the hydraulic motor 37 is started, the motor and the coupler drive the driving shaft 33 to rotate forwards, the driving shaft 33 moves to drive the driving chain wheel 34 to move, the chain 35 is driven to run through chain wheel transmission to drive the saddle frame 23 to move forwards horizontally, and the pressing and lifting part 2 drives the slag raking part 1 to move forwards together until the slag raking head 11 is located above the mouth of the molten iron tank;
s4, the slag removing head 11 is pressed down through the pressing and lifting component 2, a piston rod of the second hydraulic cylinder 22 extends out, the drain type support 21 and the slag removing component 1 are pressed down through a lever effect by taking the joint of the drain type support 21 and the saddle frame 23 as a fulcrum, and the slag removing head 11 is inserted into molten iron in a molten iron tank;
s5, controlling the slag-raking claw 12 to move backwards for a certain distance through the slag-raking claw driving mechanism, enabling a piston rod of the first hydraulic cylinder 16 to contract to drive the push plate 15 to move horizontally backwards, enabling the slag-raking claw 12 to retract along the direction of the guide rod 13, enabling the left slag-raking head 111 and the right slag-raking head 113 to correspondingly retract inwards, and raking the iron slag in the molten iron tank to move towards the tank mouth through the slag-raking head 11;
s3, the slag removing head 11 is driven by the slag removing component 3 to move backwards continuously, the hydraulic motor 37 is started, the motor and the coupler drive the driving shaft 33 to rotate reversely, the driving shaft 33 moves to drive the driving chain wheel 34 to move, the chain 35 of the driving chain wheel runs through chain wheel transmission to drive the saddle frame 23 to move backwards horizontally, the pressing and lifting component 2 drives the slag removing component 1 to move backwards together until the slag removing head 11 leaves the hot metal ladle, and the hot metal slag in the hot metal ladle is removed into the slag car.
Repeating the procedures until the iron slag amount in the slag car meets the production requirement.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a molten iron desulfurization slagging-off machine reforms transform device, includes slagging-off part (1) for take off the iron slag in the hot-metal bottle to the slag car in, its characterized in that: the slag removing component (1) comprises a slag removing head (11), a slag removing claw (12) and a slag removing claw driving mechanism, wherein the slag removing claw (12) comprises a left slag removing claw (121), a middle slag removing claw (122) and a right slag removing claw (123), the left slag removing claw (121) and the right slag removing claw (123) are arranged on the left side and the right side of the middle slag removing claw (122) and are scattered towards two sides in a V shape, the slag removing head (11) is arranged on the front sides of the left slag removing claw (121), the middle slag removing claw (122) and the right slag removing claw (123) and is used for removing iron slag, and the slag removing claw driving mechanism is arranged on the rear side of the slag removing claw (12) and is used for enabling the slag removing claw (12) to move back and forth according to the distribution of the iron slag in the molten iron tank and adjusting the maximum width of the slag removing head (11) on the front sides of the left slag removing claw (121) and the right slag removing claw (123);
the slag removing device is characterized by further comprising a pressing and lifting component (2) and a removing and conveying component (3), wherein the pressing and lifting component (2) is connected with the slag removing component (1) and used for controlling the slag removing head (11) to press down and lift up, and the removing and conveying component (3) is connected with the pressing and lifting component (2) and used for controlling the slag removing head (11) to move forward and backward.
2. The modification device of the molten iron desulphurization slag-raking machine according to claim 1, characterized in that: the slag removing claw driving mechanism comprises a guide rod (13), a guide plate (14), a push plate (15) and a first hydraulic cylinder (16), the guide plate (14) and the first hydraulic cylinder (16) are fixed on a hydraulic support (17), the push plate (15) comprises a left push plate (151) penetrating through a rear side clamping groove of the left slag removing claw (121), a middle push plate (152) penetrating through a rear side clamping groove of the middle slag removing claw (122) and a right push plate (153) penetrating through a rear side clamping groove of the right slag removing claw (123), the middle push plate (152) is connected with a piston rod of the first hydraulic cylinder (16), inserting plates (154) are arranged on the left side and the right side, inserting holes corresponding to the inserting plates (154) are formed in the left push plate (151) and the right push plate (153), the guide rod (13) is fixed on the guide plate (14), and comprises a left guide rod (131) corresponding to the left slag removing claw (121), a middle guide rod (132) corresponding to the middle slag removing claw (122), And the right guide rod (133) corresponds to the right slag-raking claw (123), and the left guide rod (131), the middle guide rod (132) and the right guide rod (133) respectively penetrate into the guide holes of the left push plate (151), the middle push plate (152) and the right push plate (153).
3. The modification device of the molten iron desulphurization slag-raking machine according to claim 2, characterized in that: the guide plate comprises a guide plate left portion (141), a guide plate middle portion and a guide plate right portion (142), the guide plate left portion (141) and the guide plate right portion (142) are bent towards one side of the first hydraulic cylinder (16), and the bending angle is consistent with the left slag raking claw (121) and the right slag raking claw (123) and the scattering angle.
4. The modification device of the molten iron desulphurization slag-raking machine according to claim 3, characterized in that: the left push plate (151) is parallel to the left portion (141) of the guide plate, and the right push plate (153) is parallel to the right portion (142) of the guide plate.
5. The modification device of the molten iron desulphurization slag-raking machine according to claim 1, characterized in that: the slag raking head (11) comprises a left slag raking head (111) arranged on the front side of the left slag raking claw (121), a middle slag raking head (112) arranged on the front side of the middle slag raking claw (122), and a right slag raking head (113) arranged on the front side of the right slag raking claw (123), wherein slag raking plates (114) at the bottoms of the left slag raking head (111) and the right slag raking head (113) are obliquely arranged, the slag raking plates (114) at the bottom of the middle slag raking head (112) are horizontally arranged, and the slag raking plates (114) at the bottoms of the left slag raking head (111), the middle slag raking head (112) and the right slag raking head (113) are spliced to form an arc-shaped digging plate.
6. The modification device of the molten iron desulphurization slag-raking machine according to claim 1, characterized in that: the pressure lifting component comprises a leakage type support (21), a second hydraulic cylinder (22), a saddle frame (23), a wheel shaft (24) and a roller (25), the front side of the leakage type support (21) is fixedly connected with the tail of the hydraulic support (17), the tail of the leakage type support (21) is connected with a piston rod of the second hydraulic cylinder (22) through a bolt, a through hole in the bottom of the leakage type support (21) is connected with one side of the saddle frame (23) through a pin, the tail of the second hydraulic cylinder (22) is connected with the other side of the saddle frame (23) through a pin, and the wheel shaft (24) penetrates through the bottom of the saddle frame (23) and is connected with the roller (25).
7. The modification device of the molten iron desulphurization slag-raking machine according to claim 6, characterized in that: the raking and conveying component comprises a raking support (31), a bearing seat (32), a driving shaft (33), a driving chain wheel (34), a chain (35), a coupler (36), a hydraulic motor (37) and a driven shaft (38), wherein the bearing seat (32) is fixedly connected in a box body on the rear side of the raking support (31), the driving shaft (33) penetrates through the bearing seat (32) through a bearing and is in key connection with the driving chain wheel (34), the hydraulic motor (37) is connected with the driving shaft (33) through the coupler (36), the driven shaft (38) penetrates through a bearing on the front side of the raking support (31) and is in key connection with the driven chain wheel, the chain (35) is sleeved on the driving chain wheel (34) and the driven chain wheel, and the chain (35) is connected with a chain connecting block (26) fixed on a saddle frame (23).
8. An operation method of the modification device of the molten iron desulphurization slag remover as claimed in claim 1, characterized by comprising the following steps:
s1, controlling the slag-raking claw (12) to move forwards through the slag-raking claw driving mechanism according to the caliber of the hot-metal ladle, and gradually increasing the maximum width of the slag-raking heads (11) on the front sides of the left slag-raking claw (121) and the right slag-raking claw (123) until the maximum width is equal to the inner diameter of a ladle opening of the hot-metal ladle;
and S2, the slag raking head (11) is lifted through the pressing and lifting component (2) so that the height of the slag raking head (11) is slightly higher than the top of the hot metal ladle.
S3, driving the slag raking head (11) to move forwards through the raking part (3) until the slag raking head (11) is positioned above the mouth of the hot metal ladle;
s4, pressing down the slag raking head (11) through the pressing and lifting component (2) to enable the slag raking head (11) to be inserted into molten iron in the molten iron tank;
s5, controlling the slag raking claw (12) to move backwards for a certain distance through the slag raking claw driving mechanism, and raking the iron slag in the molten iron tank to move towards the tank opening through the slag raking head (11);
s6, the slag raking head (11) is driven by the raking component (3) to move backwards continuously until the slag raking head (11) leaves the hot metal ladle, and the hot metal slag in the hot metal ladle is raked into the slag car.
Repeating the procedures until the iron slag amount in the slag car meets the production requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210765653.3A CN115094188A (en) | 2022-08-25 | 2022-08-25 | Molten iron desulphurization slag removing machine transformation device and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210765653.3A CN115094188A (en) | 2022-08-25 | 2022-08-25 | Molten iron desulphurization slag removing machine transformation device and operation method thereof |
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| CN115094188A true CN115094188A (en) | 2022-09-23 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005049874A1 (en) * | 2003-11-24 | 2005-06-02 | Desheng Huang | A method for vacuum purifying molten non-ferrous metal are described |
| CN201098736Y (en) * | 2007-07-23 | 2008-08-13 | 中冶集团北京冶金设备研究设计总院 | Dolly type three-pawl skimmer |
| CN204912688U (en) * | 2015-08-25 | 2015-12-30 | 河南艾米特软件科技有限公司 | Aluminium ingot casting residue beating system |
| JP2016203206A (en) * | 2015-04-22 | 2016-12-08 | 育良精機株式会社 | Dross removal device |
-
2022
- 2022-08-25 CN CN202210765653.3A patent/CN115094188A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005049874A1 (en) * | 2003-11-24 | 2005-06-02 | Desheng Huang | A method for vacuum purifying molten non-ferrous metal are described |
| CN201098736Y (en) * | 2007-07-23 | 2008-08-13 | 中冶集团北京冶金设备研究设计总院 | Dolly type three-pawl skimmer |
| JP2016203206A (en) * | 2015-04-22 | 2016-12-08 | 育良精機株式会社 | Dross removal device |
| CN204912688U (en) * | 2015-08-25 | 2015-12-30 | 河南艾米特软件科技有限公司 | Aluminium ingot casting residue beating system |
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