A slag-breaking plow for treating molten steel slag

Abstract

The invention discloses a slag-breaking plow for treating molten slag, comprising a frame; a plow shaft, the plow shaft can be raised and lowered on the frame; a transmission sleeve is rotatably connected to the frame, and the plow shaft is slidably connected in the transmission sleeve; it also comprises a power device, the power device can move the plow shaft up and down in the transmission sleeve and rotate the transmission sleeve on the frame; it also comprises a plow head fixedly connected to the bottom of the plow shaft; the invention can realize the utilization of the radiant heat of the molten slag by placing the molten slag in a slag pot, and adding a crushing plow, a capsule-type pressure vessel and a steam drum through a heat extraction chamber and on the top of the heat extraction chamber, thereby saving energy, reducing the degree of damage to a roller crusher caused by high temperature, extending the service life of the roller crusher, and reducing the equipment maintenance rate.

Description

Technical Field

[0001] The invention relates to the technical field of steel slag waste heat recovery, and in particular to a slag breaking plow for processing molten steel slag. Background Art

[0002] Every ton of steel produced produces approximately 0.12 to 0.14 tons of steel slag. In 2019, my country's steel slag production was about 110 million tons, and the utilization of steel slag waste heat was almost zero, resulting in huge energy waste.

[0003] The slag roller crushing has a hot pressing and stuffing process technology, which has realized the continuous, equipment-based and automated slag processing in my country. Usually, the molten slag still has a high temperature of about 1500℃ before entering the roller crusher, but the slag temperature at around 1200℃ meets the operating requirements of the roller crusher. There is a temperature difference of 300℃ from 1500℃ to 1200℃, which has a high waste heat recovery potential.

[0004] Therefore, how to realize the recycling of the radiant heat of the molten slag, reduce the degree of damage to the roller crusher caused by the high temperature, and extend the life of the roller crusher becomes a problem to be solved by the present invention. Summary of the invention

[0005] The purpose of the present invention is to solve the problem of how to cool high-temperature steel slag and recover heat at the same time, and a method of utilizing the residual heat of steel slag is proposed to treat a slag breaking plow with molten steel slag.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a molten slag processing slag-breaking plow, comprising a frame; a plow shaft, the plow shaft can be raised and lowered on the frame; a transmission sleeve is rotatably connected to the frame, and the plow shaft is slidably connected in the transmission sleeve; it also includes a power device, the power device can move the plow shaft up and down in the transmission sleeve and rotate the transmission sleeve on the frame; it also includes a plow head fixedly connected to the bottom of the plow shaft.

[0007] Preferably, the frame includes a counterweight platform and a box fixedly connected to the top of the counterweight platform, the transmission sleeve is rotatably connected to the counterweight platform, the plow shaft passes through the counterweight platform, the plow head is located below the counterweight platform, and the power device is located in the box.

[0008] Preferably, the plow shaft, plowshare and power device form at least one group.

[0009] Preferably, the power device includes a second motor fixedly connected to the bottom of the box body, the output end of the second motor is fixedly connected to an output shaft, the end of the output shaft away from the second motor is fixedly connected to a winch, a wire rope is wound around the winch, a pulley block is rotatably connected to the box body, the wire rope passes around the pulley block and is fixed to the top of the plow shaft; the power device also includes a limit plate fixedly connected to the inside of the box body, and a rack fixedly connected to the wire rope; wherein the rack and the limit plate slide in contact with each other, a pin shaft is rotatably connected to the inside of the box body, the pin shaft is fixedly connected to a gear and a second bevel gear in turn, the gear is meshed with the rack, a fixed sleeve is fixedly connected to the inner wall of the box body, a connecting rod is rotatably connected to the fixed sleeve, a synchronization mechanism is provided between the connecting rod, the transmission sleeve and the pin shaft, and the synchronization mechanism is used to make the connecting rod and the transmission sleeve rotate synchronously.

[0010] Preferably, the synchronization mechanism between the connecting rod and the transmission sleeve includes a first sprocket fixedly connected to the bottom of the connecting rod; a second sprocket fixedly connected to the outer wall of the transmission sleeve; and a chain for being sleeved on the first sprocket and the second sprocket.

[0011] Preferably, the synchronization mechanism between the connecting rod and the pin includes a first bevel gear fixedly connected to the top of the connecting rod; and a second bevel gear fixedly connected to the pin, and the first bevel gear and the second bevel gear are meshed with each other.

[0012] Preferably, the transmission sleeve is rotatably connected to the counterweight platform via a bearing.

[0013] Preferably, a sliding block is fixedly connected to the inner wall of the transmission sleeve, a sliding groove is provided on the plow shaft, and the sliding block is slidably connected in the sliding groove.

[0014] Preferably, a connecting portion is fixedly connected to the bottom of the counterweight platform.

[0015] Compared with the prior art, the present invention provides a method for utilizing steel slag waste heat, which has the following beneficial effects:

[0016] The present invention can utilize the radiation heat of the molten steel slag by placing the molten steel slag in a slag pot, and by using a heat taking chamber and adding a crushing plow, a capsule-type pressure vessel and a steam drum on the top of the heat taking chamber. While saving energy, the damage degree of high temperature to the roller crusher is reduced, the service life of the roller crusher is extended, and the equipment maintenance rate is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a method for utilizing waste heat of steel slag proposed by the present invention;

[0018] Figure 2A schematic diagram of the structure of a heat extraction bin and a molten slag heat recovery device proposed by the present invention Figure 1 ;

[0019] Figure 3 A schematic diagram of the structure of a heat extraction bin and a molten slag heat recovery device proposed by the present invention Figure 2 ;

[0020] Figure 4 This is a schematic diagram of the structure of a heat extraction chamber proposed by the present invention;

[0021] Figure 5 A partial structural schematic diagram of a heat extraction bin and a molten slag heat recovery device proposed by the present invention;

[0022] Figure 6 A heat extraction bin and a molten slag heat recovery device proposed by the present invention Figure 2 Schematic diagram of the structure of part A;

[0023] Figure 7 A heat extraction bin and a molten slag heat recovery device proposed by the present invention Figure 6 Schematic diagram of the structure of part C;

[0024] Figure 8 A schematic diagram of the structure of a slag-breaking plow for treating molten steel slag proposed by the present invention Figure 1 ;

[0025] Fig. 9 A schematic diagram of the structure of a slag-breaking plow for treating molten steel slag proposed by the present invention Figure 2 ;

[0026] Fig.10 A slag-breaking plow for treating molten steel slag proposed by the present invention Figure 8 The structural diagram of the D part;

[0027] Fig.11 A slag-breaking plow for treating molten steel slag proposed by the present invention Figure 8 Schematic diagram of the structure of part E.

[0028] In the figure: 101, slag pot; 2, roller crusher; 3, steam drum; 4, heat extraction chamber; 5, crane; 6, slag transport device; 401, steel structure frame; 402, first insulation felt; 403, refractory brick; 404, first motor; 405, rotating shaft; 406, cam; 407, first roller; 408, second roller; 409, capsule type pressure vessel; 4091, second insulation felt; 410, steam riser; 411, condensation descender; 412, water supply pipe; 413, protrusion; 414, card plate; 415, through groove; 417, card block; 418, card slot; 419, third spring; 420, stopper; 601, mobile base; 603, pillar; 604, support plate; 608, lifting column; 609, bottom bracket; 7, sealing cavity; 701, first piston; 702, Push rod; 703, first spring; 704, pressure plate; 705, sealing pipe; 7051, one-way valve; 706, cavity; 707, second piston; 708, support rod; 709, clamp; 710, second spring; 8, air release valve; 9, counterweight platform; 901, connecting part; 902, box; 903, second motor; 904, output shaft; 905, winch; 906, wire rope ; 907, limit plate; 908, rack; 909, pulley block; 910, plow shaft; 911, transmission sleeve; 912, pin shaft; 913, gear; 914, second bevel gear; 915, first bevel gear; 916, fixed sleeve; 917, connecting rod; 918, first sprocket; 919, chain; 920, second sprocket; 921, plowshare; 922, slider; 923, slide groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] Embodiment 1:

[0032] Reference Figure 1-11 A method for utilizing waste heat of steel slag comprises the following steps:

[0033] S1: Pour the hot slag into the slag pot 101 and pass it through the slag transport device 6 to the heat extraction chamber 4 via the track to extract heat using the heat exchange device;

[0034] S2: The slag plow assembly strikes the surface of the hot slag in the slag pot 101 to release the radiant heat of the hot slag. The heat exchange device absorbs the radiant heat of the hot slag and converts it into pressurized steam for output;

[0035] S3: Pressurized steam enters drum 3 to separate steam and water;

[0036] S4: After steam and water are separated, the steam is incorporated into the steam network of the steel plant or used on site, and the saturated water returns to the heat exchange device to participate in the working medium cycle again;

[0037] S5: Repeat steps S1-S4 for multiple slag pots 101 to complete the heat extraction process;

[0038] S6: Open the hatch, the cooled hot slag in the slag pot 101 leaves the heat extraction chamber 4 via the track through the slag transport device 6, and the slag pot 101 is transported to the roller crusher 2 by the crane 5 for subsequent processing;

[0039] S7: Repeat step S6 for multiple slag pots 101 to realize a process cycle.

[0040] Embodiment 2:

[0041] See also Figure 2-7 The present embodiment discloses a heat extraction warehouse, including a cabin and a cabin door. The cabin door is rotatably connected to the cabin, and the cabin door can form a closed space with the cabin. The cabin includes a steel structure frame 401; refractory bricks 403, which are used to be fixedly connected to the steel structure frame 401; a first insulation felt 402, which is used to cover the outside of the refractory bricks 403; wherein, a heat exchange device is provided on the top of the cabin, a capsule-type pressure vessel 409, a steam riser 410, a condensation downcomer 411, a water supply pipe 412, and a second insulation felt 4091, wherein the second insulation felt 4091 covers the capsule-type pressure vessel 409 to form an insulation surface, the lower surface of the capsule-type pressure vessel 409 is a heat exchange surface, and the capsule-type pressure vessel 409 is filled with saturated water.

[0042] Preferably, the number N of heat extraction chambers 4 is determined based on the slag frequency and the heat exchange time of a single heat extraction chamber 4. The specific calculation formula is N={T1 / T2}+1, where T1 is the time of the entire process, T2 is the heat exchange time of a single heat extraction chamber 4, the symbol {} is rounded up, and T2 should be between 1h and 1.5h.

[0043] The first thermal insulation felt 402 is made of rock wool or slag wool, the thermal conductivity of the refractory bricks 403 is less than 1.5, and the refractory bricks 403 are made of high-alumina bricks or corundum bricks.

[0044] When the heat extraction chamber 4 is in use, the slag pot 101 filled with molten slag is introduced into the heat extraction chamber 4 through the slag transport device 6, and the heat is extracted by the heat exchange device after the chamber door is closed; the capsule-type pressure vessel 409 exchanges heat with the molten slag; the saturated water in the capsule-type pressure vessel 409 is converted into pressurized steam, and when the steam pressure reaches the threshold of the electric regulating valve on the steam riser 410, the valve will open, and the threshold of the electric regulating valve is determined according to the pressure level of the capsule-type pressure vessel 409; then the pressurized steam enters the steam drum 3 from the steam riser 410 for steam-water separation, and the condensed saturated water returns to the capsule-type pressure vessel 409 through the condensation downcomer 411; when the saturated water in the capsule-type pressure vessel 409 is insufficient, deoxygenated water is supplemented through the water supply pipe 412, and finally the working medium balance and circulation are realized; the heat exchange device absorbs the radiant heat of the molten slag, converts it into pressurized steam output, and achieves the purpose of heat extraction.

[0045] Embodiment 3:

[0046] See also Figure 2-7 , based on Example 2, this embodiment discloses a molten slag heat recovery device, the recovery device includes a mobile base 601; and a slag pot 101 movably connected to the mobile base 601; wherein, the top of the mobile base 601 is fixedly connected to the support plate 604 through a pillar 603, and a lifting column 608 is slidably connected to the support plate 604. A driving unit is provided in the heat extraction chamber, and the upper end of the lifting column 608 is fixed to the slag pot 101, and the lower end is connected to the output end of the driving unit. The driving unit is used to drive the lifting column 608 to rise and fall on the support plate 604. When in use, the mobile base 601 is moved into the heat extraction chamber 4 and the door is closed. In this embodiment, the slag pot 101 is set to be movable and supported by the lifting column 608 at the bottom. At the same time, the lifting column 608 is driven by the driving unit to reciprocate up and down, thereby driving the slag pot 101 to move up and down, and used in conjunction with the plowshare 921 on the slag pot 101, so that the internal slag is fully impacted, the heat dissipation effect is improved, and the surface cooling of the slag is prevented.

[0047] Reference Figure 2-7This embodiment is basically the same as the embodiment 3. Furthermore, the driving part includes a first motor 404 fixedly connected to the outer wall of the heat extraction chamber, the output end of the first motor 404 is fixedly connected to a rotating shaft 405, a cam 406 is fixedly connected to the rotating shaft 405, the lower end of the lifting column 608 slides in contact with the outer surface of the cam 406, and a supporting component for supporting the rotating shaft 405 is provided on the mobile base 601, and the supporting component includes at least one first roller 407 fixedly connected to the rotating shaft 405; at least one first roller 407 corresponding to the first roller 407; The second roller 408 is rotatably connected to the mobile base 601, the upper end of the lifting column 608 is fixedly connected to a bottom bracket 609, and the end of the bottom bracket 609 away from the lifting column 608 is against the slag pot 101, and the bottom of the support plate 604 is slidably connected to a clamping plate 414, and a through groove 415 is provided on the clamping plate 414, and the lifting column 608 is slidably connected in the through groove 415. The side wall of the bottom of the lifting column 608 is provided with a clamping groove 418, and one end of the through groove 415 is fixedly connected to a clamping block 417 matching the clamping groove 418, and the support plate 604 The bottom is connected with a stopper 420, and a third spring 419 is connected between the stopper 420 and the card plate 414. The inner wall of the heat taking chamber is fixedly connected with a protrusion 413, and the protrusion 413 abuts against the card plate 414. When the movable base 601 moves into the heat taking chamber 4 on the track, the rotating shaft 405 extends between the movable base 601 and the support plate 604, and at the same time abuts against the card plate 414 through the protrusion 413, driving the card plate 414 to slide at the bottom of the support plate 604, so that the block 417 moves out of the card slot 418 at the bottom side edge of the lifting column 608, and enters. The lock of the lifting column 608 is released, and when the movable base 601 reaches the preset position, the lifting column 608 is located above the rotating shaft 405 and fits with the outer surface of the cam 406. In order to improve the supporting performance of the rotating shaft 405, a second roller 408 corresponding to the first roller 407 is provided on the movable base 601, so as to support the rotating shaft 405, and then start the first motor 404 to drive the rotating shaft 405 to rotate, and then drive the cam 406 to rotate, so as to realize the up and down movement of the lifting column 608, and drive the slag pot 101 to rise and fall.

[0048] See also Figure 2 , Figure 6 , Figure 7In order to improve the stability of the mobile base 601, the present embodiment adopts the following technical means: the mobile base 601 includes a plurality of sealed cavities 7, a first piston 701 is sealingly and slidably connected in the plurality of sealed cavities 7, a push rod 702 is fixedly connected to the upper end of the first piston 701, a pressure plate 704 is fixedly connected to the upper end of the push rod 702, a first spring 703 is sleeved on the push rod 702, and the two ends of the first spring 703 are respectively against the sealed cavity 7 and the pressure plate 704, a cavity 706 is provided in the mobile base 601, a second piston 707 is sealingly and slidably connected in the cavity 706, a support rod 708 is fixedly connected to the lower end of the second piston 707, and a support rod 708 is fixedly connected to the lower end of the support rod 708. The end passes through the lower wall of the movable base 601 and extends downward, and the extended end of the support rod 708 is fixedly connected to a clamp 709, and a second spring 710 is sleeved on the support rod 708. The two ends of the second spring 710 are respectively against the second piston 707 and the inner wall of the bottom of the cavity 706, and the pressure plate 704 is against the outer surface of the cam 406. The sealing cavity 7 and the cavity 706 are connected through a sealing pipe 705. Preferably, a one-way valve 7051 is provided on the sealing pipe 705, and an air release valve 8 is provided on the cavity 706. When the cam 406 rotates, when one end face of the cam 406 is away from the axis of the rotating shaft 405 and is located below the axis of the rotating shaft 405, please refer to Figure 6 , it abuts against the pressure plate 704, and then the pressure plate 704 pushes the first piston 701 to slide downward in the sealed cavity 7 through the push rod 702, and the air pressure in the sealed cavity 7 is transmitted to the cavity 706 through the sealing pipe 705, and then the second piston 707 is driven to slide downward in the cavity 706, thereby driving the clamping head 709 to abut against the inner wall of the bottom of the heat extraction chamber 4, and an anti-slip pattern matching the clamping head 709 can be provided under the clamping head 709, so as to achieve the fixing effect of the mobile base 601, and the existence of the first spring 703 and the second spring 710 realizes the automatic Reset. It should be noted that the present embodiment also includes a one-way valve 7051, a bleed valve 8 and an overflow valve. The existence of the one-way valve 7051 is to prevent the air flow from entering the cavity 706 when the first piston 701 moves downward, and to draw in external air when the first piston 701 moves upward. The existence of the bleed valve 8 is to release air when the lock needs to be released, thereby resetting the second piston 707 through the second spring 710. The overflow valve is not shown in this figure. Its main function is to automatically discharge excess gas in the cavity 706 after the cavity 706 is inflated multiple times to reach a preset value.

[0049] Embodiment 4:

[0050] See also Figure 8-11, based on Example 1, this embodiment discloses a molten slag processing slag-breaking plow, including a frame; a plow shaft 910, which can be raised and lowered on the frame; a transmission sleeve 911 is rotatably connected to the frame, and the plow shaft 910 is slidably connected in the transmission sleeve 911; it also includes a power device, which can move the plow shaft 910 up and down in the transmission sleeve 911 and rotate the transmission sleeve 911 on the frame; it also includes a plow head 921 fixedly connected to the bottom of the plow shaft 910. When this embodiment is in use, the plow shaft 910 is driven by the power device to slide up and down in the transmission sleeve 911. At the same time, in order to change the contact position of the plow head 921 at the bottom of the plow shaft 910 with the steel slag, it is necessary to rotate the plow head 921 after each contact with the steel slag in the slag pot 101, so that the transmission sleeve 911 is synchronously driven by the power device to rotate on the counterweight platform 9, thereby realizing that the plow head 921 evenly impacts the surface of the steel slag. The details are as follows:

[0051] See also Figure 8The frame includes a counterweight platform 9 and a box 902 fixedly connected to the top of the counterweight platform 9, a transmission sleeve 911 is rotatably connected to the counterweight platform 9, a plow shaft 910 passes through the counterweight platform 9, a plow head 921 is located below the counterweight platform 9, a power device is located in the box 902, the plow shaft 910, the plow head 921 and the power device are at least one group, the power device includes a second motor 903 fixedly connected to the bottom of the box 902, an output end of the second motor 903 is fixedly connected to an output shaft 904, and an end of the output shaft 904 away from the second motor 903 is fixedly connected There is a winch 905, on which a steel wire rope 906 is wound and connected, a pulley block 909 is rotatably connected in the box 902, and the steel wire rope 906 passes over the pulley block 909 and is fixed to the top of the plow shaft 910; the power device also includes a limit plate 907 fixedly connected to the inside of the box 902, and a rack 908 fixedly connected to the steel wire rope 906; wherein the rack 908 slides in contact with the limit plate 907, a pin shaft 912 is rotatably connected in the box 902, and the pin shaft 912 is fixedly connected to a gear 913 and a second bevel gear 914 in turn, The gear 913 is meshed with the rack 908, and a fixed sleeve 916 is fixedly connected to the inner wall of the box body 902. A connecting rod 917 is rotatably connected in the fixed sleeve 916. A synchronization mechanism is provided between the connecting rod 917, the transmission sleeve 911 and the pin shaft 912. The synchronization mechanism is used to make the connecting rod 917 and the transmission sleeve 911 rotate synchronously. In this embodiment, the second motor 903 is a forward and reverse motor, and the number of forward and reverse revolutions of the second motor 903 can be set by the controller. After the second motor 903 is started, the winch 905 is driven to retract and release the wire rope 906, thereby realizing the wire rope 906. 06 slides on the pulley block 909, and then the other end of the wire rope 906 pulls the plow shaft 910 to move upward, thereby driving the plow head 921 to move upward. At the same time, when the plow shaft 910 is pulled upward, the wire rope 906 drives the rack 908 to move up and down, and then the rack 908 is engaged with the gear 913 on the pin shaft 912, thereby driving the connecting rod 917 to operate through the synchronization mechanism to realize the rotation of the transmission sleeve 911. The synchronization mechanism can adopt bevel gear transmission or other friction transmission. The following two synchronization mechanisms are used to realize the rotation of the transmission sleeve 911:

[0052] Specifically, the synchronization mechanism between the connecting rod 917 and the transmission sleeve 911 includes a first sprocket 918 fixedly connected to the bottom of the connecting rod 917; a second sprocket 920 fixedly connected to the outer wall of the transmission sleeve 911; and a chain 919 for sleeved on the first sprocket 918 and the second sprocket 920. The synchronization mechanism between the connecting rod 917 and the pin 912 includes a first bevel gear 915 fixedly connected to the top of the connecting rod 917; and a second bevel gear 914 fixedly connected to the pin 912. The first bevel gear 915 and the second bevel gear 914 are meshed with each other through the gear 913. The rotation of the second bevel gear 914 realizes the rotation of the second bevel gear 914, and then the first bevel gear 915 meshing therewith rotates synchronously, and then drives the connecting rod 917 to rotate in the fixed sleeve 916, and then drives the first sprocket 918 at the bottom of the connecting rod 917 to rotate, and then the first sprocket 918 drives the second sprocket 920 on the outer wall of the transmission sleeve 911 to rotate through the chain 919. When the second motor 903 is reversed, the plow shaft 910 and the plowshare 921 hit the slag under their own weight, and the slag shell on the surface of the hot slag is knocked by the plowshare 921. The plowshare 921 is made of heat-resistant steel with a heat-resistant temperature greater than 600°C.

[0053] The transmission sleeve 911 is rotatably connected to the counterweight platform 9 through a bearing, a slider 922 is fixedly connected to the inner wall of the transmission sleeve 911, a slide groove 923 is provided on the plow shaft 910, and the slider 922 is slidably connected in the slide groove 923. A connecting portion 901 is fixedly connected to the bottom of the counterweight platform 9, and is connected to the steel structure frame 401 on the heat extraction chamber 4 through the connecting portion 901. The plowshare 921 of the present invention is balanced at a certain height above the slag pot 101 through the counterweight platform 9, and the plowshare 921 is lowered by the power device to The slag shell on the surface of the hot slag is knocked, and the plowshare 921 should adjust the rotation angle and the knocking frequency according to the diameter of the slag pot 101. The specific operation process is that the plowshare 921 descends and knocks the slag shell and then rises, rotates a certain angle and then descends and knocks the slag shell again and then rises, and this operation is repeated until the heat exchange process is completed. The angle range is 30°-90°, and the angle is determined according to the diameter of the slag pot 101. The advantage of the present invention is that it realizes the effective utilization of the radiant heat of molten slag in terms of method and technology, which is of great significance to reducing the comprehensive energy consumption of steel enterprises.

[0054] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A slag-breaking plow for treating molten steel slag, characterized in that: include frame; A plow shaft (910), wherein the plow shaft (910) can be raised and lowered on the frame; A transmission sleeve (911) is rotatably connected to the frame, and the plow shaft (910) is slidably connected inside the transmission sleeve (911); It also includes a power device, which can move the plow shaft (910) up and down in the transmission sleeve (911) and rotate the transmission sleeve (911) on the frame; It also includes a plowshare (921) fixedly connected to the bottom of the plowshaft (910); The power device comprises a second motor (903) fixedly connected to the bottom of the box (902); an output shaft (904) is fixedly connected to the output end of the second motor (903); an end of the output shaft (904) away from the second motor (903) is fixedly connected to a winch (905); a steel wire rope (906) is wound around the winch (905); a pulley block (909) is rotatably connected inside the box (902); the steel wire rope (906) passes over the pulley block (909) and is fixed to the top of the plow shaft (910); The power device also includes A limit plate (907) fixedly connected to the inside of the box (902), and a rack (908) fixedly connected to the steel wire rope (906); The rack (908) and the limit plate (907) are fitted and slidably connected, a pin shaft (912) is rotatably connected inside the box body (902), the pin shaft (912) is fixedly connected with a gear (913) and a second bevel gear (914) in sequence, the gear (913) is meshed with the rack (908), a fixing sleeve (916) is fixedly connected to the inner wall of the box body (902), a connecting rod (917) is rotatably connected inside the fixing sleeve (916), a synchronizing mechanism is provided between the connecting rod (917), the transmission sleeve (911) and the pin shaft (912), and the synchronizing mechanism is used to make the connecting rod (917) and the transmission sleeve (911) rotate synchronously; A sliding block (922) is fixedly connected to the inner wall of the transmission sleeve (911).

2. The molten steel slag treatment slag breaking plow according to claim 1, characterized in that: The frame comprises a counterweight platform (9) and a box (902) fixedly connected to the top of the counterweight platform (9), the transmission sleeve (911) is rotatably connected to the counterweight platform (9), the plow shaft (910) passes through the counterweight platform (9), the plow head (921) is located below the counterweight platform (9), and the power device is located in the box (902).

3. The molten steel slag treatment slag breaking plow according to claim 2, characterized in that: The plow shaft (910), the plowshare (921) and the power device form at least one set.

4. The molten steel slag treatment slag breaking plow according to claim 1, characterized in that: The synchronization mechanism between the connecting rod (917) and the transmission sleeve (911) includes A first sprocket (918) fixedly connected to the bottom of the connecting rod (917); A second sprocket (920) fixedly connected to the outer wall of the transmission sleeve (911); and A chain (919) for being sleeved on the first sprocket (918) and the second sprocket (920).

5. The molten steel slag treatment slag breaking plow according to claim 1, characterized in that: The synchronization mechanism between the connecting rod (917) and the pin shaft (912) includes A first bevel gear (915) fixedly connected to the top of the connecting rod (917); as well as A second bevel gear (914) is fixedly connected to the pin shaft (912), and the first bevel gear (915) and the second bevel gear (914) are meshed with each other.

6. The molten steel slag treatment slag breaking plow according to claim 1, characterized in that: The transmission sleeve (911) is rotatably connected to the counterweight platform (9) via a bearing, and a connecting portion (901) is fixedly connected to the bottom of the counterweight platform (9).

7. The molten steel slag treatment slag breaking plow according to claim 1, characterized in that: The plow shaft (910) is provided with a slide groove (923), and the sliding block (922) is slidably connected in the slide groove (923).

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