CN114277204A

CN114277204A - Blast furnace slag recycling device

Info

Publication number: CN114277204A
Application number: CN202010984978.1A
Authority: CN
Inventors: 刘彦波; 韩西海; 刘腾飞; 韩旭
Original assignee: Zhonghuan Zhengqi Technology Co ltd
Current assignee: Zhonghuan Zhengqi Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2022-04-05
Anticipated expiration: 2040-09-18
Also published as: CN114277204B

Abstract

The invention discloses a blast furnace slag recycling device which comprises a box body, wherein an inner cavity of the box body is sequentially divided into a first area, a second area and a third area through two vertically arranged partition plates, a feed hopper is fixedly embedded in the top of the first area, a material guide mechanism for conducting slag is arranged in the middle of the first area, a waste heat recovery mechanism and an accommodating dumping mechanism are respectively arranged at the top and the bottom of the second area, and the waste heat recovery mechanism and the accommodating dumping mechanism are oppositely arranged. The slag crushing device realizes the crushing of the slag by adopting the matching of the waste heat recovery mechanism and the accommodating dumping mechanism, and recovers the waste heat of the crushed slag; the slag is crushed and evenly paved in a placing disc, so that efficient waste heat recovery is realized, and subsequent process treatment is conveniently carried out on the slag; in addition, the waste heat recovery mechanism is used as a good heat conductor to be in contact with the molten slag to realize the waste heat recovery mode, and compared with the waste heat recovery mode which adopts a conveying belt and separates air, the structure is more efficient.

Description

Blast furnace slag recycling device

Technical Field

The invention relates to a waste heat recovery system, in particular to a blast furnace slag recycling device.

Background

The first patent is as follows: the device for recovering and treating the high-temperature slag and the waste heat thereof disclosed by the Chinese invention patent (application number: CN 202010376963.7) comprises a heat recovery device and a slag treatment device, wherein the heat recovery device and the slag treatment device are connected with each other. The heat recovery device and the slag treatment device are arranged and connected with each other, so that the waste heat utilization rate of the high-temperature slag is improved, and the heat loss of the slag in the transmission process is reduced; the heat recovery device is provided with the material conveying box to form an approximately closed space, so that the temperature of the molten slag is kept continuously in the transmission process, and the heat loss of the molten slag is slowed down; the spreading plate is arranged on the surface of the feeding pipe, so that the slag entering the material conveying box is spread and flattened, the spreading of the slag in the material conveying box is accelerated, and the heating effect of the slag waste heat is better; the waste heat of the slag can be fully utilized by arranging the steam generating box in the heat recovery device and arranging the replacement heat pipe set in the slag processing device.

However, in the specific implementation of the above patents: adopt conveying track 1061 tiling slag, then carry out waste heat recovery through absorbing the heat that gives off, this kind of arrangement can lead to equipment occupation space big at first, and heat recovery efficiency is poor in addition.

Patent II: the invention discloses a high-temperature slag waste heat recovery device with a protective structure, which relates to the technical field of industrial waste residue treatment equipment and comprises a recovery bin and an inner barrel, wherein the inner barrel is arranged in the recovery bin, an extrusion plate is arranged in the inner barrel, two opposite side surfaces of the extrusion plate are respectively connected with a sliding block, a sliding groove is formed in the inner surface of the inner barrel, the sliding block is in sliding fit with the sliding groove, a cover plate is arranged on the upper surface of the recovery bin, an electric push rod is arranged on one surface of the cover plate, an output shaft of the electric push rod penetrates through the cover plate and extends into the recovery bin to be connected with the extrusion plate, a partition plate is arranged between the inner side surface of the recovery bin and the inner barrel, the partition plate is of a detachable structure, and an installation block is connected between one surface of the partition plate and the recovery bin. According to the high-temperature slag waste heat recovery device with the protection structure, the electric push rod is used for longitudinally electrically pushing the extrusion plate, the storage and use space in the inner cylinder is compressed, high-temperature slag and high-temperature gas are extruded and downwards transferred, the slag heating efficiency is increased, and heat loss is reduced.

However, in the above patent, the partition 33 is used for protecting the inner cylinder 2, but in the actual use, the partition 33 has little use and insignificant effect, and it is particularly important to protect the personnel in the actual use process; in addition, the above patent adopts a non-pipeline waste heat recovery system, but the device is used in steel plants in practical use, so that the pipeline waste heat recovery device is the development requirement.

Therefore, the improvement is made, and a blast furnace slag recycling device is provided.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a blast furnace slag recycling device.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a blast furnace slag recycling device which comprises a box body, wherein an inner cavity of the box body is sequentially divided into a first area, a second area and a third area through two vertically arranged partition plates, a feed hopper is fixedly embedded in the top of the first area, a material guide mechanism for conducting slag is arranged in the middle of the first area, a waste heat recovery mechanism and an accommodating and dumping mechanism are respectively arranged at the top and the bottom of the second area, the waste heat recovery mechanism and the accommodating and dumping mechanism are oppositely arranged, the waste heat recovery mechanism comprises a base block, a limiting cylinder is inserted into the bottom of the base block, four force application mechanisms are equidistantly arranged on the side of the limiting cylinder, and a discharging mechanism for receiving the slag is arranged in the third area.

As a preferred technical scheme of the present invention, the material guiding mechanism includes a material guiding chute, the top and the bottom of the material guiding chute are respectively and fixedly connected to the telescopic ends of the two first electric telescopic rods, the housing of the first electric telescopic rod is fixedly connected to the side wall of the first region, and a partition plate near the feeding hopper is provided with a first through opening opposite to the material guiding chute.

As a preferred technical scheme of the invention, the waste heat recovery mechanism further comprises an accommodating cavity arranged in the base block, a connecting column is fixedly arranged in the middle of the bottom end of the accommodating cavity, the top end of the connecting column penetrates through the base block to be fixedly connected with the telescopic end of the second electric telescopic rod, a shell of the second electric telescopic rod is fixedly connected with the top of the second area, a coiled pipe is embedded on the base block positioned in the limiting cylinder, a water inlet pipe and a water outlet pipe are communicated with the coiled pipe, the water inlet pipe and the water outlet pipe sequentially penetrate through the base block and the box body, and a plurality of spurs are fixedly arranged at the bottom end of the base block positioned in the limiting cylinder.

As a preferable technical scheme of the present invention, the force application mechanism includes an L-shaped plate fixedly connected to the limiting cylinder, the L-shaped plate is located in the accommodating cavity, a spring is disposed on an inner side formed by the L-shaped plate and the limiting cylinder, and a top end and a bottom end of the spring are respectively fixedly connected to the L-shaped plate and the base block.

As a preferred technical scheme of the present invention, the accommodating and dumping mechanism includes a limiting disc and a placing disc disposed in the middle of the limiting disc, the side wall of the placing disc is connected to the limiting disc through a plurality of bearings, an opening is disposed in the middle of the bottom end of the limiting disc, and a rotating mechanism passing through the opening is disposed in the middle of the bottom end of the placing disc.

As a preferred technical scheme of the invention, the rotating mechanism comprises a limiting ring groove fixedly connected to the placing disc and a motor fixedly connected to the bottom end of the second area, two symmetrically-arranged limiting plates are fixedly connected inside the limiting ring groove, a rotating shaft of the motor is fixedly connected with the middle part of a connecting plate, two ends of the connecting plate are fixedly connected with vertically-arranged inserting blocks, two third electric telescopic rods are symmetrically arranged at the bottom end of the limiting disc, and a telescopic end and a shell of one of the third electric telescopic rods far away from the discharging mechanism are respectively and rotatably connected with the limiting disc and the bottom end of the second area; the telescopic end of the other third electric telescopic rod is rotatably connected with the limiting disc, and the shell of the third electric telescopic rod is fixedly connected with the bottom end of the second area.

As a preferred technical scheme of the invention, the discharging mechanism comprises a storage tank fixedly arranged at the bottom end of the third zone, one side of the storage tank close to the accommodating and dumping mechanism penetrates through a second through hole formed in the partition plate and is positioned at the bottom of the limiting disc, a hoisting machine is fixedly arranged in the storage tank, and the discharging end of the hoisting machine penetrates through the top end of the third zone.

The invention has the beneficial effects that: this kind of blast furnace slag recycles device:

1. the slag is crushed by adopting the matching of the waste heat recovery mechanism and the accommodating dumping mechanism, and waste heat recovery is carried out on the crushed slag; the slag is crushed and evenly paved in a placing disc, so that efficient waste heat recovery is realized, and subsequent process treatment is conveniently carried out on the slag; in addition, the waste heat recovery mechanism is used as a good heat conductor to be in contact with the molten slag to realize the waste heat recovery mode, and compared with the waste heat recovery mode which adopts a conveying belt and separates air, the structure is more efficient in arrangement mode;

2. the box body is buried underground, so that potential safety hazards are reduced, the safety of personnel is effectively guaranteed, and noise generated by equipment work is effectively reduced;

3. the slag is guided into the accommodating dumping mechanism by the aid of the gravity of the slag through the feeding hopper and the material guide mechanism, so that the conveyor belt is not used, and vertical space is effectively utilized by means of cooperation of the feeding hopper and the material guide mechanism, cooperation of the waste heat recovery mechanism and the accommodating dumping mechanism and cooperation of the accommodating dumping mechanism and the discharging mechanism, and occupation of horizontal space of equipment is reduced;

4. the limiting cylinder is arranged in the waste heat recovery mechanism as a part for blocking the molten slag, so that the height of the placing disc can be effectively reduced, and the molten slag can be poured into the discharging mechanism more thoroughly;

5. the system can realize the automatic treatment from the charging to the discharging of the slag, thereby realizing the assembly line operation of the system;

6. because the inserted block is limited in the limiting ring groove in the vertical direction, two third electric telescopic rods are arranged to lift the limiting disc upwards to realize dislocation of the inserted block and the limiting ring groove. Then pouring the molten slag; namely, two third electric telescopic handle not only can realize the spacing annular of inserted block dislocation, can also realize simultaneously pouring the material function, and structural design nature is strong.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic sectional view showing a blast furnace slag recycling apparatus according to the present invention;

FIG. 2 is a schematic sectional view of a waste heat recovery mechanism of a blast furnace slag recycling device according to the present invention;

FIG. 3 is a schematic cross-sectional view of a mechanism for accommodating and dumping slag from a blast furnace slag recycling apparatus according to the present invention;

FIG. 4 is a schematic view showing the structure of an insert block of a blast furnace slag recycling apparatus according to the present invention;

FIG. 5 is a schematic view of the bottom view of a limiting plate of the blast furnace slag recycling apparatus according to the present invention;

FIG. 6 is a schematic view showing a structure of a stopper plate of the blast furnace slag recycling apparatus according to the present invention.

In the figure: 1. a box body; 2. a feed hopper; 3. a material guiding mechanism; 301. a material guide chute; 302. a first electric telescopic rod; 4. a waste heat recovery mechanism; 401. a second electric telescopic rod; 402. a base block; 403. an accommodating cavity; 404. connecting columns; 405. a serpentine tube; 406. a limiting cylinder; 407. bur protruding; 5. a containing and dumping mechanism; 501. a motor; 502. a third electric telescopic rod; 503. a connecting plate; 5031. inserting a block; 504. a limiting disc; 5041. an opening; 505. placing a tray; 5051. a limiting ring groove; 5052. a limiting plate; 6. a partition plate; 7. a discharging mechanism; 701. a storage tank; 702. a hoist; 8. a force application mechanism; 801. an L-shaped plate; 802. a spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, the blast furnace slag recycling device of the present invention includes a box 1, an inner cavity of the box 1 is sequentially divided into a first region, a second region and a third region by two vertically arranged partition plates 6, a feed hopper 2 is fixedly embedded in the top of the first region, a material guiding mechanism 3 for conducting slag is arranged in the middle of the first region, a waste heat recovery mechanism 4 and an accommodating dumping mechanism 5 are respectively arranged at the top and the bottom of the second region, the waste heat recovery mechanism 4 is arranged opposite to the accommodating dumping mechanism 5, the waste heat recovery mechanism 4 includes a base block 402, a limiting cylinder 406 is arranged at the bottom of the base block 402 in an inserting manner, four force applying mechanisms 8 are arranged at equal intervals on the side of the limiting cylinder 406, and a discharging mechanism 7 for receiving slag is arranged in the third region.

Wherein, guide mechanism 3 includes baffle box 301, the top and the bottom of baffle box 301 respectively with two electric telescopic handle 302's flexible fixed connection, the casing fixed connection of first electric telescopic handle 302 is in the lateral wall in first district, set up the first mouth of wearing relative with baffle box 301 on the baffle 6 near feeder hopper 2, waste heat recovery mechanism 4 is still including seting up the holding chamber 403 in base block 402, the fixed spliced pole 404 that is equipped with in middle part of holding chamber 403 bottom, the flexible fixed connection of base block 402 and second electric telescopic handle 401 is passed on the top of spliced pole 404, the casing fixed connection of second electric telescopic handle 401 is in the top in second district, inlay on the base block 402 that is located spacing section of thick bamboo 406 and be equipped with coiled pipe 405, the intercommunication is equipped with inlet tube and outlet pipe on the coiled pipe 405, inlet tube and outlet pipe all pass base block 402 and box 1 in proper order, the bottom mounting of the base block 402 that is located spacing section of thick bamboo 406 is equipped with a plurality of bur 407.

Wherein, the accommodating and dumping mechanism 5 comprises a limiting disc 504 and a placing disc 505 arranged in the middle of the limiting disc 504, the side wall of the placing disc 505 is connected with the limiting disc 504 through a plurality of bearings, the middle of the bottom end of the limiting disc 504 is provided with an opening 5041, the middle of the bottom end of the placing disc 505 is provided with a rotating mechanism penetrating through the opening 5041, the force application mechanism 8 comprises an L-shaped plate 801 fixedly connected with the limiting cylinder 406, the L-shaped plate 801 is positioned in the accommodating cavity 403, the inner side formed by the L-shaped plate 801 and the limiting cylinder 406 is provided with a spring 802, the top end and the bottom end of the spring 802 are respectively fixedly connected with the L-shaped plate 801 and the base block 402, after a certain amount of slag is collected in the placing disc 505, the material guiding mechanism 3 is reset, then the second electric telescopic rod 401 works, so that the limiting cylinder 406 covers the slag, the second electric telescopic rod 401 continues to work, because the spring 802 realizes that the limiting cylinder 406 is tightly attached to the placing disc 505, meanwhile, the motor 501 works, the function of extruding and grinding slag is realized by the cooperation of the motor 501 and the second electric telescopic rod 401 and the effect of the spurs 407, the ground slag is flatly laid between the placing disc 505 and the limiting cylinder 406, waste heat recovery can be realized on the slag when water is injected into the serpentine pipe 405 at the moment, when the second electric telescopic rod 401 resets, the limiting cylinder 406 can also retract due to the arranged spring 802, and the resetting of the limiting cylinder 406 is realized due to the arranged L-shaped plate 801.

The rotating mechanism comprises a limit ring groove 5051 fixedly connected to the placing disc 505 and a motor 501 fixedly connected to the bottom end of the second area, two limit plates 5052 which are symmetrically arranged are fixedly connected inside the limit ring groove 5051, a rotating shaft of the motor 501 is fixedly connected with the middle of the connecting plate 503, two vertically-arranged inserting blocks 5031 are fixedly connected to two ends of the connecting plate 503, and when the inserting blocks 5031 are inserted into the limit ring groove 5051, the two inserting blocks 5031 and the two limit plates 5052 are arranged in a cross shape, so that the inserting blocks 5031 cling to the limit plates 5052 when the motor 501 works, and the function of rotating the placing disc 505 is realized due to the symmetrical arrangement of the limit plates 5052; two third electric telescopic rods 502 are symmetrically arranged at the bottom end of the limiting disc 504, wherein the telescopic end and the shell of one of the third electric telescopic rods 502 far away from the discharging mechanism 7 are respectively and rotatably connected with the limiting disc 504 and the bottom end of the second area; its flexible end of another third electric telescopic handle 502 and spacing dish 504 rotatable coupling, the bottom fixed connection in its casing and second district, waste heat recovery finishes the back, waste heat recovery mechanism 4 resets, two third electric telescopic handles 502 will be with spacing dish 504 jack-up this moment, then the third electric telescopic handle 502 that is close to guide mechanism 3 constantly extends, the third electric telescopic handle 502 that keeps away from guide mechanism 3 retracts one section distance to this realizes pouring the slag of placing in the dish 505 into the stock chest 701.

Wherein, discharge mechanism 7 is including fixed the stock chest 701 that sets up in the third district bottom, the stock chest 701 is close to the holding and emptys the bottom that the second that sets up on the baffle 6 was worn the mouth and was located spacing dish 504 in one side of mechanism 5 is worn to the holding, the stock chest 701 internal fixation is equipped with lifting machine 702, the discharge end of lifting machine 702 passes the top of third district, waste heat recovery finishes the back, waste heat recovery mechanism 4 resets, two third electric telescopic handle 502 will be earlier with spacing dish 504 jack-up this moment, then be close to the continuous extension of third electric telescopic handle 502 of guide mechanism 3, keep away from one section distance of third electric telescopic handle 502 withdrawal of guide mechanism 3, pour the slag in placing dish 505 into stock chest 701 with this realization, then the slag promotes out in the box 1 through lifting machine 702.

When in work:

firstly, burying a box body 1 underground at a working position, and enabling a feed hopper 2 to be positioned at the bottom of a slag discharge hole of an electric furnace or a converter;

then, the first electric telescopic rod 302 works to move the right end of the material guide chute 301 to the top of the placing disc 505, and when slag enters the feed hopper 2, the slag rolls into the placing disc 505;

after a certain amount of slag is collected in the placing disc 505, the material guiding mechanism 3 is reset, then the second electric telescopic rod 401 works, the limiting cylinder 406 covers the slag, the second electric telescopic rod 401 continues to work, meanwhile, the motor 501 works, the motor 501 and the second electric telescopic rod 401 work in a matched mode, and the function of extruding and grinding the slag is achieved under the effect of the protruding thorns 407, the ground slag is flatly laid between the placing disc 505 and the limiting cylinder 406, and waste heat recovery of the slag can be achieved when water is injected into the coiled pipe 405;

after the waste heat recovery is finished, the waste heat recovery mechanism 4 resets, at this time, the two third electric telescopic rods 502 jack up the limiting disc 504, then the third electric telescopic rods 502 close to the material guide mechanism 3 continuously extend, the third electric telescopic rods 502 far away from the material guide mechanism 3 retract for a certain distance, so that the slag in the placing disc 505 is poured into the storage tank 701, and then the slag is lifted out of the tank 1 through the lifter 702.

The system has the advantages that:

1. the slag is crushed by adopting the matching of the waste heat recovery mechanism 4 and the accommodating dumping mechanism 5, and waste heat recovery is carried out on the crushed slag; the slag is crushed and evenly paved in the placing disc 505, so that efficient waste heat recovery is realized, and subsequent process treatment is conveniently carried out on the slag; in addition, the waste heat recovery mechanism 4 is used as a good heat conductor to be in contact with the molten slag to realize waste heat recovery, and compared with a waste heat recovery mode which adopts a conveying belt and separates air, the structure is more efficient in arrangement mode;

2. the box body 1 is buried underground, so that potential safety hazards are reduced, the safety of personnel is effectively guaranteed, and noise generated by equipment working is effectively reduced;

3. the slag is guided into the accommodating dumping mechanism 5 by the aid of the gravity of the slag through the feeding hopper 2 and the material guide mechanism 3, so that the conveyor belt is not used, and vertical space is effectively utilized by means of cooperation of the feeding hopper 2 and the material guide mechanism 3, cooperation of the waste heat recovery mechanism 4 and the accommodating dumping mechanism 5 and cooperation of the accommodating dumping mechanism 5 and the discharging mechanism 7, and occupation of horizontal space of equipment is reduced;

4. the limiting cylinder 406 is arranged in the waste heat recovery mechanism 4 as a component for blocking the slag, so that the height of the placing disc 505 can be effectively reduced, and the slag can be poured into the discharging mechanism 7 more thoroughly;

6. since the insert 5031 is vertically limited in the limit ring groove 5051, two third electric telescopic rods 502 are arranged to lift the limit disc 504 upwards to realize dislocation of the insert 5031 in the limit ring groove 5051. Then pouring the molten slag; namely, the two third electric telescopic rods 502 can realize the dislocation of the insert 5031 and the limit ring groove 5051, and can also realize the material pouring function, so that the structural design is strong.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A blast furnace slag recycling device comprises a box body (1) and is characterized in that an inner cavity of the box body (1) is sequentially divided into a first area, a second area and a third area through two vertically arranged partition plates (6), a feed hopper (2) is fixedly embedded at the top of the first zone, a material guide mechanism (3) for conducting molten slag is arranged in the middle of the first zone, the top and the bottom of the second area are respectively provided with a waste heat recovery mechanism (4) and an accommodating dumping mechanism (5), the waste heat recovery mechanism (4) is arranged opposite to the accommodating dumping mechanism (5), the waste heat recovery mechanism (4) comprises a base block (402), the bottom of base block (402) alternates and is provided with spacing section of thick bamboo (406), the avris equidistance of spacing section of thick bamboo (406) is provided with four application of force mechanisms (8), be provided with discharge mechanism (7) that are used for receiving the slag in the third district.

2. The blast furnace slag recycling device according to claim 1, wherein the material guiding mechanism (3) comprises a material guiding groove (301), the top and the bottom of the material guiding groove (301) are respectively fixedly connected with the telescopic ends of two first electric telescopic rods (302), the shell of each first electric telescopic rod (302) is fixedly connected to the side wall of the first zone, and a partition plate (6) close to the feeding hopper (2) is provided with a first through hole opposite to the material guiding groove (301).

3. The blast furnace slag recycling device according to claim 2, wherein the waste heat recovery mechanism (4) further comprises a containing cavity (403) opened in the base block (402), a connecting column (404) is fixedly arranged in the middle of the bottom end of the accommodating cavity (403), the top end of the connecting column (404) penetrates through the base block (402) to be fixedly connected with the telescopic end of the second electric telescopic rod (401), the shell of the second electric telescopic rod (401) is fixedly connected to the top of the second area, a coiled pipe (405) is embedded on a base block (402) positioned in the limiting cylinder (406), the coiled pipe (405) is communicated with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe sequentially penetrate through the base block (402) and the box body (1), and the bottom end of the base block (402) in the limiting cylinder (406) is fixedly provided with a plurality of protruding thorns (407).

4. The blast furnace slag recycling device according to claim 3, wherein the force applying mechanism (8) comprises an L-shaped plate (801) fixedly connected to the limiting cylinder (406), the L-shaped plate (801) is located in the accommodating cavity (403), a spring (802) is arranged on the inner side of the L-shaped plate (801) and the limiting cylinder (406), and the top end and the bottom end of the spring (802) are fixedly connected with the L-shaped plate (801) and the base block (402), respectively.

5. The blast furnace slag recycling device according to claim 4, wherein the accommodating dumping mechanism (5) comprises a limiting disc (504) and a placing disc (505) arranged in the middle of the limiting disc (504), the side wall of the placing disc (505) is connected with the limiting disc (504) through a plurality of bearings, an opening (5041) is formed in the middle of the bottom end of the limiting disc (504), and a rotating mechanism penetrating through the opening (5041) is arranged in the middle of the bottom end of the placing disc (505).

6. The blast furnace slag recycling device according to claim 5, wherein the rotating mechanism comprises a limiting ring groove (5051) fixedly connected to the placing disc (505) and a motor (501) fixedly connected to the bottom end of the second zone, two symmetrically arranged limiting plates (5052) are fixedly connected to the inside of the limiting ring groove (5051), a rotating shaft of the motor (501) is fixedly connected to the middle of a connecting plate (503), vertically arranged inserting blocks (5031) are fixedly connected to both ends of the connecting plate (503), two third electric telescopic rods (502) are symmetrically arranged at the bottom end of the limiting disc (504), and a telescopic end and a shell of one of the third electric telescopic rods (502) far away from the discharging mechanism (7) are rotatably connected to the limiting disc (504) and the bottom end of the second zone respectively; the telescopic end of the other third electric telescopic rod (502) is rotatably connected with the limiting disc (504), and the shell of the third electric telescopic rod is fixedly connected with the bottom end of the second area.

7. The blast furnace slag recycling device according to claim 6, wherein the discharging mechanism (7) comprises a storage tank (701) fixedly arranged at the bottom end of the third zone, one side of the storage tank (701) close to the accommodating dumping mechanism (5) passes through a second through hole formed in the partition plate (6) and is positioned at the bottom of the limiting disc (504), a hoisting machine (702) is fixedly arranged in the storage tank (701), and the discharging end of the hoisting machine (702) passes through the top end of the third zone.