CN114993061A - Blast furnace slag forming and waste heat recovery equipment and recovery method thereof - Google Patents

Abstract

The invention discloses a blast furnace slag forming and waste heat recovery device and a recovery method thereof, relating to the field of forming and waste heat recovery devices and comprising a separating plate and a forming device which are horizontally arranged, wherein the separating plate is provided with a plurality of separating holes; the device also comprises a blocky forming object feeding pipe and a granular forming object feeding pipe, wherein the blocky forming object feeding pipe and the granular forming object feeding pipe are respectively communicated with corresponding heat exchangers; the granular formed matter on the separation plate can fall through the separation holes. The granular forming object and the blocky forming object are subjected to separation heat exchange, the waste of heat exchange cooling resources caused by excessive heat exchange cooling of the granular forming object due to mixed cooling of the granular forming object and the blocky forming object is effectively prevented, or the heat exchange cooling of the blocky forming object is insufficient, so that the heat loss of the blocky forming object is wasted, the heat exchange efficiency is improved, the heat exchange economy is good, the forming object is not easy to clamp on a separation plate, the separation effect is good, and the stability is high.

Description

Blast furnace slag forming and waste heat recovery equipment and recovery method thereof

Technical Field

The invention relates to the field of forming and waste heat recovery equipment, in particular to blast furnace slag forming and waste heat recovery equipment and a recovery method thereof.

Background

The steel industry is typically a process industry, a resource, energy intensive industry, high throughput, and long manufacturing chain length. The waste heat resources of iron and steel enterprises are mainly divided into product waste heat, slag waste heat and waste gas waste heat. The slag carries a large amount of high-grade heat energy, and the heat energy is not well recycled so far, and is one of a few waste heat resources which are not recycled in the whole industry. The steel slag is a byproduct generated in the steel smelting process, for example, blast furnace slag is taken as an example, the slag discharging temperature is 1450-1600 ℃, the slag yield of steel per ton is 0.3 ton, the sensible heat of the blast furnace slag belongs to high-grade available waste heat resources, the recovery value is high, and the blast furnace slag is the slag with the largest yield and the largest waste heat content in the steel smelting, and accounts for 80% of the waste heat contained in all the steel slag.

The blast furnace slag waste heat recovery mostly uses a water quenching method and a gas quenching method, wherein the water quenching method directly or indirectly exchanges heat with blast furnace slag through water, and the gas quenching method exchanges heat with the blast furnace slag through air flow.

Chinese patent publication No. CN212386068U discloses a solid waste slag press forming device, which comprises a base, the equal fixedly connected with support column in four corners of base top surface, the horizontal fixedly connected with roof in top of support column, the equal fixedly connected with pneumatic cylinder in both sides of roof bottom surface, the bottom fixedly connected with lifter plate of pneumatic cylinder, the fixed surface of lifter plate bottom is connected with the clamp plate. The utility model discloses a setting up and removing frame, the rotor plate, the elasticity adhesive tape, the locating frame, the location axle, store up and receive the recess, the rotation notch, reset spring, the sliding tray, the connecting axle, the sliding block is used with the cooperation of accomodating the hole, can avoid taking place hard collision among the suppression process, effectively protected the press forming device like this, solved the press forming device when using, because of can not protect the suppression junction, make the situation of hard collision appear in the suppression process easily, thereby lead to the press forming device to appear the shorter problem of life

Chinese patent publication No. CN103667553A discloses a blast furnace slag waste heat recovery device, which comprises a vibrated fluidized bed, a fluidized bed fan arranged at an air inlet of the vibrated fluidized bed, a waste heat boiler and a superheater, wherein a boiler flue gas inlet of the waste heat boiler is connected with an air outlet of the vibrated fluidized bed, and a boiler steam outlet of the waste heat boiler is connected with a steam inlet of the superheater; a liquid slag treatment device for conveying hot flue gas to the flue gas inlet of the superheater is arranged below the flue gas inlet of the superheater, the liquid slag treatment device comprises a liquid slag blower and an air supply box for conveying air flow generated by the liquid slag blower, a granulation motor is arranged in the air supply box, the granulation motor is connected with a liquid slag granulation turntable, a plurality of air blowing holes are formed in the air supply box corresponding to the lower part of the liquid slag granulation turntable, and the liquid slag treatment device further comprises a feeding mechanism for conveying liquid slag to the liquid slag granulation turntable and a slag outlet facing a feeding hole of the vibrating fluidized bed;

chinese patent publication No. CN104745751B discloses a blast furnace slag water quenching steam waste heat recovery device, including: spray type heat exchangers and flow channel type heat exchangers; in the fountain heat exchanger, the vapor that blast furnace slag shrend produced contacts the heat transfer with the shower water, in the runner heat exchanger, heating circulating water and intermediary's water heat transfer, then, heating circulating water passes through the pipeline and supplies heat, its characterized in that to the user: the blast furnace slag water quenching steam waste heat recovery device also comprises: a hybrid heat exchanger. The mixed heat exchanger shell is only internally provided with one water baffle, the rest is a cavity, the entering spray water and the intermediary water are not only subjected to heat exchange but also mixed mutually, the water baffle is used for increasing the flow resistance, the water flowing out from the intermediary water outlet is ensured to be all the higher-temperature spray water entering from the spray water inlet, the higher-temperature spray water flowing out from the water baffle and the intermediary water entering from the intermediary water inlet flow out from the spray water outlet.

The above patents and prior art also suffer from the following drawbacks:

when the existing slag is used, the slag is required to be molded into various sizes according to the application and is mostly divided into blocks and granules, for example, the slag is used for building aggregate, the blocky molded objects are mostly used and can replace building stone, when the slag is used for building heat insulation, sound insulation and sewage adsorption, the granular molded objects are mostly used, the surface area is increased, the adsorption capacity is improved, the existing molding and waste heat recovery devices can not simultaneously mold two molded products with different sizes after the liquid slag is molded and subjected to waste heat recovery, the size of the molded product is required to be changed by replacing a casting mold, the labor is wasted, when the molding device simultaneously molds two molded products with different sizes, the waste heat recovery device can not separate the molded products with different sizes, and the waste heat recovery cooling intensity or the waste heat recovery cooling time length is adjusted according to the molded products with different sizes, the waste heat recovery cooling scheme of the molded products with larger sizes and smaller sizes is consistent, the blast furnace slag forming and waste heat recovery device has the advantages that large formed products cannot be sufficiently cooled and subjected to waste of heat, or small formed products are excessively cooled through waste heat recovery, waste of waste heat recovery cooling resources is wasted, the formed products are easily clamped on the screen due to the fact that the existing formed products are separated through the screen to form granular formed products and blocky formed products, and the cleaning is troublesome, so that the blast furnace slag forming and waste heat recovery device and the recovery method thereof are provided to meet requirements.

Disclosure of Invention

The utility model provides a blast furnace slag shaping and waste heat recovery equipment and recovery method thereof, make granular forming thing and blocky forming thing separate the heat transfer, the excessive heat transfer cooling of granular forming thing that has effectively prevented granular forming thing and blocky forming thing hybrid cooling from causing heat transfer cooling wasting of resources, or blocky forming thing heat transfer cooling is not enough, cause blocky forming thing heat loss extravagant, the heat exchange efficiency has been improved, heat transfer economic nature is good, the separation of granular forming thing and blocky forming thing is carried out in the upset through the separator plate simultaneously, make the difficult card of forming thing on the separator plate, the separation is effectual, and stability is high.

In order to achieve the above purpose, the present application provides the following technical solutions: the blast furnace slag forming and waste heat recovery equipment comprises a separating plate and a forming device which are horizontally arranged, wherein a plurality of separating holes are formed in the separating plate; the device also comprises a blocky forming object feeding pipe and a granular forming object feeding pipe, wherein the blocky forming object feeding pipe and the granular forming object feeding pipe are respectively communicated with corresponding heat exchangers; the granular molding on the separation plate can fall into the granular molding feeding pipe through the separation hole, and the blocky molding is kept on the separation plate;

the granular forming matter feeding pipe and the blocky forming matter feeding pipe can move synchronously, the separating plate is overturned after the granular forming matter feeding pipe and the blocky forming matter feeding pipe move synchronously to the designated positions, the blocky forming matter remained on the separating plate is overturned to fall into the blocky forming matter feeding pipe, and the blocky forming matter discharged to the separating plate is remained on the separating plate after the separating plate is overturned to be horizontal;

the device also comprises an inclined plate, and after the separation plate is turned over, the inclined plate synchronously turns over along with the separation plate, so that the granular formed objects can fall onto the inclined plate through the separation holes and fall into the granular formed object feeding pipe through the inclined plate;

the separating plate can be reversed and reset, so that the blocky forming object left on the separating plate is reversed and falls into the blocky forming object feeding pipe, and the granular forming object feeding pipe and the blocky forming object feeding pipe synchronously move and reset after the blocky forming object feeding pipe is reversed and reset.

Preferably, a movable plate is fixedly mounted on the granular molded object feeding pipe and the blocky molded object feeding pipe together, the movable plate is connected with a pushing assembly, the pushing assembly comprises a power device, a pushing plate and an elastic element, the power device pushes the pushing plate to move, the pushing plate pushes the movable plate to move through the elastic element, the movable plate drives the granular molded object feeding pipe and the blocky molded object feeding pipe to move to the designated positions, the movable plate is limited, and the pushing plate continues to move to enable the elastic element to store force and drive the separation plate to turn through the driving assembly.

Preferably, the driving assembly comprises a supporting plate, a fixing part, a first rack and a first gear, when the moving plate is pushed to a limit position by the pushing plate, the pushing plate abuts against the supporting plate and drives the supporting plate to move, the supporting plate drives the first rack to move through the fixing part, the first rack drives the first gear to rotate, and the first gear can drive the separating plate to rotate so as to turn the separating plate.

Preferably, still include the dustcoat, separation plate and heat exchanger all set up in the dustcoat, the feed inlet has been seted up on the dustcoat, be provided with the closing assembly in the dustcoat, the closing assembly is in the in-process that the separation plate overturns shelters from the feed inlet, after the separation plate overturns to the level, the closing assembly opens the feed inlet.

Preferably, the closing assembly comprises a cover plate, a second rack, a second gear and a belt transmission device, two openings are formed in the cover plate, the feed inlet corresponds to one opening, when the separation plate overturns, the first gear rotates to drive the second gear to rotate through the belt transmission device, the second gear drives the second rack to move, the second rack drives the cover plate to move, the cover plate shields the feed inlet, and after the separation plate overturns, the feed inlet corresponds to the other opening.

Preferably, the separation box is rotationally connected in the outer cover, the separation plate is fixedly installed in the separation box, the top and the bottom of the separation box are both communicated with connecting pipes, the two connecting pipes are arranged in a centrosymmetric manner by taking a rotation point of the separation plate as a central point, a track ring is fixedly installed on the inner wall of one side of the separation box, a sealing assembly is arranged on each of the two connecting pipes, the sealing assembly comprises a sealing cover, a sealing plate, a track rod and a force storage part, one side of the sealing cover is communicated with the connecting pipes, the other side of the sealing cover is communicated with the separation box, the sealing plate is in sliding fit in the sealing cover, two track grooves are formed in the track ring, the track rod is arranged in a corresponding track groove and is pushed by the force storage part to abut against the track ring, the separation box can be synchronously overturned with the separation plate, when the separation plate overturns, the connecting pipe drives the sealing assembly to move, the track rod is separated from the track groove and pushes the sealing plate to move under the limit of the track ring, and the sealing plate moves towards the direction close to the sealing cover to seal the sealing cover.

Preferably, the heat exchanger includes first heat exchanger and second heat exchanger, first heat exchanger with the second heat exchanger all includes box, a plurality of slowly falls board and cooling blower, a plurality of slowly fall the board crisscross fixed mounting respectively on the inside wall of box, and adjacent two slowly fall the board and set up relatively, the box with the discharge opening has all been seted up to the bottom of dustcoat.

Preferably, the forming device comprises a transmission chain belt, a rotating roller and a forming die, the forming die is fixedly mounted on the transmission chain belt, the transmission chain belt can drive the forming die to move, and a plurality of block-shaped forming grooves and a plurality of granular forming grooves are formed in the forming die.

Preferably, forming device still includes transmission chain belt, live-rollers, forming die and shell, transmission chain belt and forming die all set up in the shell, the both ends of live-rollers are rotated and are connected on the shell inside wall, the top of dustcoat corresponds feed opening position fixed mounting and has the unloading funnel, the top fixed mounting of unloading funnel on the shell and with the shell intercommunication.

Preferably, an auxiliary fan is fixedly mounted at the top of the outer cover, and an output end of the auxiliary fan is communicated with the outer shell.

In conclusion, the technical effects and advantages of the invention are as follows:

1. in the invention, fed granular forming objects enter the granular forming object feeding pipe through the separation holes on the separation plate, the blocky forming objects are kept on the separation plate, after one end of time, the blocky forming objects kept on the separation plate are turned over and fall into the blocky forming object feeding pipe through turning over the separation plate, the granular forming object feeding pipe and the blocky forming object feeding pipe are respectively communicated with heat exchangers with different powers to separate and exchange heat between the granular forming objects and the blocky forming objects, thereby effectively preventing the granular forming objects and the blocky forming objects from being excessively cooled by heat exchange caused by mixing and cooling of the granular forming objects and the blocky forming objects to cause waste of heat exchange cooling resources or insufficient cooling of the blocky forming objects to cause heat loss and waste of the blocky forming objects, improving the heat exchange efficiency and the heat exchange economy, and simultaneously separating the granular forming objects and the blocky forming objects through turning over the separation plate, the formed object is not easy to be clamped on the separating plate, the separating effect is good, and the stability is high;

2. according to the invention, the movable plate moves firstly, then the first rack is pushed to move to turn over the separation plate, so that the block-shaped object feeding pipe and the granular-shaped object feeding pipe can move to the designated positions, then the drive assembly drives the separation plate to turn over, so that the block-shaped objects turned over on the separation plate can accurately fall into the block-shaped object feeding pipe and are not easy to spill, and meanwhile, the tension spring is arranged, so that after the force applied to the movable plate is removed, the tension spring drives the first rack to move and reset, so that the separation plate is turned over and reset firstly, then the movable plate moves and resets, so that the block-shaped object feeding pipe and the granular-shaped object feeding pipe move and reset, and the block-shaped objects turned over and reset on the separation plate can accurately fall into the block-shaped object feeding pipe and are not easy to spill;

3. according to the invention, the cover plate can be driven to move in the overturning process of the separating plate and the separating box, so that the cover plate blocks the feeding hole, the blanking is stopped in the overturning process of the separating plate, and the formed object can not be scattered to other places.

4. According to the invention, when the separation box and the separation plate are turned over, the track rod is separated from the track groove, the track rod is limited by the track ring to push the sealing plate to move, the sealing plate seals the sealing cover, so that the connecting pipe cannot discharge materials, and the formed materials in the separation box cannot be spilled out through the connecting pipe when the connecting pipe does not correspond to the block-shaped formed material feeding pipe or the granular formed material feeding pipe when the separation box and the separation plate are turned over.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is also possible for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic structural view of the present invention;

FIG. 5 is a schematic view of the structure of the present invention;

FIG. 6 is a schematic structural view of the present invention;

FIG. 7 is an enlarged view of portion B of FIG. 6 in accordance with the present invention;

FIG. 8 is a schematic structural view of the present invention;

FIG. 9 is a schematic structural view of the present invention;

FIG. 10 is a schematic structural view of the present invention;

FIG. 11 is a schematic structural view of the present invention;

FIG. 12 is an enlarged view of portion C of FIG. 11 in accordance with the present invention;

FIG. 13 is a schematic structural view of the present invention;

FIG. 14 is a schematic structural view of the present invention;

FIG. 15 is a schematic view of the forming device and the chuck plate of the present invention;

FIG. 16 is an enlarged view of portion D of FIG. 15 in accordance with the present invention;

FIG. 17 is a schematic view of a molding die according to the present invention;

fig. 18 is an enlarged view of portion E of fig. 17 in accordance with the present invention.

In the figure: 2. a molding device; 21. a conveying chain belt; 22. a rotating roller; 23. forming a mold; 231. a block-shaped forming groove; 232. a granular forming groove; 24. a housing; 25. a discharging hopper; 11. a separation plate; 12. a bulk molding feed tube; 13. a granular molding material feeding pipe; 14. a heat exchanger; 141. a box body; 142. a slow descending plate; 143. a cooling fan; 15. a separation tank; 16. a connecting pipe; 17. an inclined plate; 18. a fixed tube; 19. a housing; 3. moving the plate; 4. a pushing assembly; 41. a power plant; 42. a push plate; 43. an elastic member; 5. a drive assembly; 51. a resisting plate; 52. a fixing member; 53. a first rack; 54. a first gear; 55. a tension spring; 6. a slide bar; 7. closing the assembly; 71. a cover plate; 72. a second rack; 73. a second gear; 74. a belt transmission device; 8. a trajectory ring; 9. a closure assembly; 91. a closure cap; 92. a closing plate; 93. a track rod; 94. a power storage member; 10. an auxiliary fan; 31. a cylinder; 32. an air tube; 33. clamping a plate; 34. a base plate; 35. an airway; 36. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 and 4, the blast furnace slag forming and waste heat recycling apparatus and the recycling method thereof include a horizontally arranged separation plate 11 and a forming device 2, wherein the separation plate 11 is provided with a plurality of separation holes; the device also comprises a block-shaped product feeding pipe 12 and a granular shaped product feeding pipe 13, wherein the block-shaped product feeding pipe 12 and the granular shaped product feeding pipe 13 are respectively communicated with corresponding heat exchangers 14; the granular formed matter on the separation plate 11 can fall into the granular formed matter feeding pipe 13 through the separation holes, and the blocky formed matter is remained on the separation plate 11;

the granular molded object feeding pipe 13 and the block molded object feeding pipe 12 can synchronously move, and after synchronously moving to a designated position (the designated position means that the block molded object feeding pipe 12 moves to a position corresponding to a connecting pipe 16 close to the bottom of the separation box 15), the separation plate 11 is overturned, so that the block molded objects left on the separation plate 11 are overturned and fall into the block molded object feeding pipe 12, and after the separation plate 11 is overturned to be horizontal, the block molded objects discharged onto the separation plate 11 are left on the separation plate 11;

the device also comprises an inclined plate 17, after the separation plate 11 is turned over, the inclined plate 17 is synchronously turned over along with the separation plate 11, so that the granular formed objects can fall onto the inclined plate 17 through the separation holes and fall into the granular formed object feeding pipe 13 through the inclined plate 17;

the separation plate 11 can be reversed and reset (reversed reset means that the separation plate 11 is reversed and turned to the level of the separation plate 11), the block-shaped object left on the separation plate 11 is reversed and falls into the block-shaped object feeding pipe 12, and the granular object feeding pipe 13 and the block-shaped object feeding pipe 12 are synchronously moved and reset after the reversal and reset (moved reset means that the granular object feeding pipe 13 and the block-shaped object feeding pipe 12 are reversed and moved to the granular object feeding pipe 13 to correspond to the connecting pipe 16 near the bottom of the separation tank 15).

The working principle is as follows: the block-shaped object and the granular-shaped object fall on the separating plate 11, the granular-shaped object falls on the granular-shaped object feeding pipe 13 through the separating holes on the separating plate 11, the block-shaped object can not be remained on the separating plate 11 through the separating holes, after a while, the granular-shaped object feeding pipe 13 and the block-shaped object feeding pipe 12 are moved, then the separating plate 11 is overturned, the block-shaped object on the separating plate 11 falls into the block-shaped object feeding pipe 12 along with the overturning, the falling granular-shaped object falls on the inclined plate 17 through the separating holes and falls into the granular-shaped object feeding pipe 13 through the guidance of the inclined plate 17, the falling block-shaped object feeding pipe 12 is remained on the separating plate 11 again, after a while, the separating plate 11 is overturned to reset first, the block-shaped object remained on the separating plate 11 falls into the block-shaped object feeding pipe 12 along with the overturning of the separating plate 11, then, the pellet-molding feed pipe 13 and the block-molding feed pipe 12 are moved again, the dropped pellet-molding enters the pellet-molding feed pipe 13 again, the dropped block-molding feed pipe 12 is left on the separation plate 11, and the cycle is repeated.

The granular forming objects fed in enter the granular forming object feeding pipe 13 through the separation holes on the separation plate 11, the blocky forming objects are kept on the separation plate 11, after a period of time, the blocky forming objects kept on the separation plate 11 are turned over and fall into the blocky forming object feeding pipe 12 by turning over the separation plate 11, the granular forming object feeding pipe 13 and the blocky forming object feeding pipe 12 are respectively communicated with the corresponding heat exchangers 14, so that the granular forming objects and the blocky forming objects are subjected to separation heat exchange, the waste of heat exchange cooling resources caused by excessive heat exchange cooling of the granular forming objects due to the mixed cooling of the granular forming objects and the blocky forming objects is effectively prevented, or the heat exchange cooling of the blocky forming objects is insufficient, the heat loss of the blocky forming objects is caused, the heat exchange efficiency is improved, the heat exchange economy is good, and meanwhile, the separation of the granular forming objects and the blocky forming objects is carried out through the turning over of the separation plate 11, the formed object is not easy to be clamped on the separating plate 11, the separating effect is good, and the stability is high.

Further, referring to fig. 1, a separation box 15 is fixedly installed on the separation plate 11, the separation plate 11 is fixedly installed in the separation box 15, connecting pipes 16 are fixedly communicated with the top and the bottom of the separation box 15, the two connecting pipes 16 are arranged in a central symmetry manner by taking the rotation point of the separation plate 11 as a central point, the granular molded objects and the block-shaped molded objects enter the separation box 15 through the connecting pipe 16 close to the top of the separation box 15 and fall on the separation plate 11, and the granular molded objects and the block-shaped molded objects are discharged out of the separation box 15 through the connecting pipe 16 close to the bottom of the separation box 15.

Further, referring to fig. 14, a moving hole is opened at the top of the heat exchanger 14, and both the block-shaped product feeding pipe 12 and the granular-shaped product feeding pipe 13 are slidably fitted in and communicated with the moving hole, so that the block-shaped product feeding pipe 12 and the granular-shaped product feeding pipe 13 have a certain amount of movement and remain communicated with the corresponding heat exchanger 14.

Further, referring to fig. 2, a connection hole is formed in the separation box 15 at a position corresponding to the inclined plate 17, the inclined plate 17 passes through the connection hole and is fixedly connected to a fixed pipe 18, and a space between one end of the fixed pipe 18 and the separation box 15 is hermetically provided, so that the granular molded objects falling on the inclined plate 17 can fall into the granular molded object feed pipe 13 through the fixed pipe 18.

Further, referring to fig. 2, the feeding pipe 13 for the granular molded object corresponds to the connecting pipe 16 near the bottom of the separating box 15, when the feeding pipe 13 for the granular molded object and the feeding pipe 12 for the block molded object move and drive the separating plate 11 and the inclined plate 17 to turn over synchronously, the feeding pipe 12 for the block molded object corresponds to the connecting pipe 16 near the bottom of the separating box 15, the fixed pipe 18 corresponds to the feeding pipe 13 for the granular molded object, and the inclined plate 17 is inclined toward the feeding pipe 13 for the granular molded object, so that the block molded object remained after the separating plate 11 and the separating box 15 are turned over falls into the feeding pipe 12 for the block molded object, the granular molded object passed by the subsequent separating plate 11 enters the feeding pipe 13 for the granular molded object through the inclined plate 17 and the fixed pipe 18, and the block molded object is remained on the separating plate 11 again.

Further, referring to fig. 2, the two connection pipes 16 are disposed to be shifted in the vertical direction, and after the separation plate 11 and the separation tank 15 are turned upside down, the granular molded objects entering the connection pipes 16 corresponding to the inclined plates 17 can fall onto the inclined plates 17.

Further, referring to fig. 4 and 14, a guide plate is fixedly installed in the separation tank 15, and the guide plate is inclined toward the connection pipe 16, and preferably, the guide plate is communicated with the connection pipe 16 and inclined toward the connection pipe 16 from all around, so that the granular molded object and the block-shaped molded object can be slid into the connection pipe 16 near the bottom of the separation tank 15 through the inclined surface of the guide plate.

Further, the separation tank 15 is turned in a direction away from the fixed pipe 18, so that the lump-shaped formed products in the separation tank 15 fall into the lump-shaped formed product feed pipe 12 through the corresponding connection pipe 16 without falling onto the inclined plate 17.

Further, the distance between the block-shaped product feeding pipe 12 and the granular-shaped product feeding pipe 13 is such that when the block-shaped product feeding pipe 12 corresponds to the connecting pipe 16 near the bottom of the separation tank 15, the granular-shaped product feeding pipe 13 corresponds to the fixed pipe 18 after being turned over, and after the block-shaped product feeding pipe 12 and the granular-shaped product feeding pipe 13 move and the separation plate 11 and the separation tank 15 are turned over, the block-shaped product in the connecting pipe 16 enters the block-shaped product feeding pipe 12, and the granular-shaped product in the fixed pipe 18 enters the granular-shaped product feeding pipe 13.

Further, referring to fig. 1, the heat exchanger further comprises an outer cover 19, the heat exchanger 14 and the separation tank 15 are both arranged in the outer cover 19, and both sides of the separation tank 15 are rotatably connected to the inner wall of the outer cover 19 through rotating rods.

Furthermore, the top of the block-shaped object feeding pipe 12 and the top of the granular-shaped object feeding pipe 13 are both fixedly communicated with material receiving funnels, so that the shaped objects can more easily enter the heat exchanger 14 and are not easy to spill.

Further, referring to fig. 2 and 3, the granular molded object feeding pipe 13 and the block molded object feeding pipe 12 are fixedly provided with the moving plate 3, the moving plate 3 is connected with the pushing assembly 4, the pushing assembly 4 comprises a power device 41, a pushing plate 42 and an elastic member 43, the power device 41 pushes the pushing plate 42 to move, the pushing plate 42 pushes the moving plate 3 to move through the elastic member 43, the moving plate 3 drives the granular molded object feeding pipe 13 and the block molded object feeding pipe 12 to move to the designated position (the designated position indicates that the block molded object feeding pipe 12 moves to the position corresponding to the connecting pipe 16 near the bottom of the separation box 15), the moving plate 3 is limited, and the pushing plate 42 continues to move to enable the elastic member 43 to store force and drive the separation plate 11 to turn through the driving assembly 5.

After blocky formed matter feed pipe 12 and granular formed matter feed pipe 13 can make and remove to the assigned position, rethread drive assembly 5 drives separation plate 11 upset, blocky formed matter after making the upset on separation plate 11 can be accurate falls into blocky formed matter feed pipe 12, difficult unrestrained, simultaneously through setting up extension spring 55, make separation plate 11 overturn earlier and reset, make blocky formed matter feed pipe 12 and granular formed matter feed pipe 13 remove and reset again, make blocky formed matter after the upset resets on separation plate 11 can be accurate fall into blocky formed matter feed pipe 12 in, difficult unrestrained.

Further, the power device 41 is a hydraulic cylinder in the prior art.

Further, referring to fig. 2 and 3, two support plates are fixedly connected to the moving plate 3, an output end of the power device 41 is fixedly installed at one end of the pushing plate 42, one end of the elastic member 43 is fixedly installed at the other end of the pushing plate 42, and the other end of the elastic member 43 is fixedly installed on the corresponding support plate.

Further, referring to fig. 2 and 3, when the power device 41 drives the pushing plate 42 to move and reset, the power device 41 drives the pushing plate 42 to move in the opposite direction, the elastic member 43 rebounds along with the movement of the pushing plate 42, the supporting plate keeps limiting continuously until the pushing plate 42 abuts against the corresponding supporting plate, the pushing plate 42 continues moving and drives the moving plate 3 to move through the supporting plate, and the moving plate 3 drives the granular formed object feeding pipe 13 and the block-shaped formed object feeding pipe 12 to move until the granular formed object feeding pipe 13 corresponds to the connecting pipe 16 near the bottom of the separation box 15.

Further, the elastic member 43 is a spring in the prior art.

Further, referring to fig. 2 and 3, a sliding rod 6 is fixedly installed between the two support plates, the sliding rod 6 penetrates through the pushing plate 42, the pushing plate 42 is in sliding fit with the sliding rod 6, and the sliding rod 6 limits the pushing plate 42, so that the pushing plate 42 is more stable and is not easy to slide.

Further, referring to fig. 2 and 3, the two sliding rods 6 and the two elastic members 43 are provided, and the two elastic members 43 are respectively sleeved on the pair of sliding rods 6 to limit the elastic members 43, so that the elastic members 43 are not deformed to the side surface, and are more stable.

Further, referring to fig. 2 and 3, a support plate near the power device 41 is provided with a through hole, and an output end of the power device 41 is fixedly mounted on the pushing plate 42 through the through hole.

Furthermore, the elastic force of the elastic element 43 is greater than the resistance force which the elastic element 43 overcomes to push the moving plate 3 to move, so that the pushing plate 42 drives the moving plate 3 to move through the elastic element 43, and the elastic element 43 does not contract to store the force when the moving plate 3 is not moved to the limit position.

Further, referring to fig. 4, a first blocking plate is fixedly installed on the heat exchanger 14, a second blocking plate is fixedly installed on the movable plate 3, when the block-shaped object feeding pipe 12 moves to a position corresponding to the connecting pipe 16 near the bottom of the separation box 15, the first blocking plate abuts against the second blocking plate, and at this time, the movable plate 3 is located at a limiting position, so that the movable plate 3 cannot move in a direction away from the pushing plate 42.

Further, referring to fig. 2 and 3, a plurality of first blocking plates are arranged on the heat exchanger 14, and the moving plate 3 penetrates through the first blocking plates and is in sliding fit with the first blocking plates, so that the moving plate 3 is limited by the first blocking plates, and the moving plate 3 is more stable and is not easy to shake.

Further, referring to fig. 2 and 3, the driving assembly 5 includes a supporting plate 51, a fixing member 52, a first rack 53 and a first gear 54, when the pushing plate 42 pushes the moving plate 3 to the position-limiting position, the pushing plate 42 abuts against the supporting plate 51 and drives the supporting plate 51 to move, the supporting plate 51 drives the first rack 53 to move through the fixing member 52, the first rack 53 drives the first gear 54 to rotate, and the first gear 54 can drive the separation box 15 to rotate, so that the separation plate 11 is turned over.

Further, referring to fig. 2, the first gear 54 is fixedly mounted to the separation box 15 through a rotating rod, so that the first gear 54 can rotate to drive the separation box 15 to rotate.

Further, referring to fig. 3, a sliding hole is formed in the moving plate 3, the abutting plate 51 is slidably fitted in the sliding hole, the abutting plate 51 is fixedly mounted on the fixing member 52, the other end of the fixing member 52 is fixedly mounted on the first rack 53, the first rack 53 is engaged with the first gear 54, when the pushing plate 42 pushes the abutting plate 51 to move, the abutting plate 51 drives the first rack 53 to move through the fixing member 52, the first rack 53 drives the first gear 54 to rotate, and the first gear 54 drives the separation box 15 to rotate, so that the separation box 15 is turned over.

Further, referring to fig. 2 and 3, a fixing block is fixedly mounted on an inner wall of the outer cover 19 corresponding to the fixing element 52, the fixing block abuts against the fixing element 52, a tension spring 55 is fixedly mounted on an inner wall of the outer cover 19 corresponding to the fixing element 52, and the other end of the tension spring 55 is fixedly mounted on the fixing element 52, so that when the fixing element 52 moves, the tension spring 55 stores power, when the pushing plate 42 moves in the opposite direction to reset, the tension spring 55 resets and drives the fixing element 52 to reset, the fixing element 52 resets and drives the first rack 53 to move, the first rack 53 drives the first gear 54 to rotate, and the first gear 54 drives the separation box 15 and the separation plate 11 to rotate and reset.

Further, referring to fig. 4, a limiting rod is fixedly mounted on an inner wall of the outer cover 19 corresponding to the fixing member 52, and the limiting rod penetrates through the fixing member 52 and is in sliding fit with the fixing member 52, so that the fixing member 52 is more stable and is not easy to shake.

Furthermore, the outer wall of the separating box 15 close to the first gear 54 is rotatably connected with a resisting rod, and the resisting rod is pressed against one side of the first rack 53 far from the first gear 54, so that the first rack 53 is kept meshed with the first gear 54, and the first gear 54 and the first rack 53 are not easy to disengage and are more stable.

Further, referring to fig. 9 and 13, a closing assembly 7 is arranged in the housing 19, the closing assembly 7 shields the feed port in the process of overturning the separating plate 11, and the closing assembly 7 opens the feed port after the separating plate 11 is overturned to be horizontal.

Further, referring to fig. 9 and 13, the closing assembly 7 includes a cover plate 71, a second rack 72, a second gear 73 and a belt transmission device 74, two openings are provided on the cover plate 71, the feed port corresponds to one of the openings, when the separation plate 11 is turned over, the first gear 54 rotates to drive the second gear 73 to rotate through the belt transmission device 74, the second gear 73 drives the second rack 72 to move, the second rack 72 drives the cover plate 71 to move, the cover plate 71 shields the feed port, and after the separation plate 11 is turned over, the feed port corresponds to the other opening.

The feeding hole corresponds to the connecting pipe 16 close to the top of the separating box 15, the formed matter enters the connecting pipe 16 through the feeding hole, so that the formed matter enters the separating box 15 and falls on the separating plate 11, the cover plate 71 is arranged in the outer cover 19 corresponding to the feeding hole, the second gear 73 is rotatably connected to the inner wall of the outer cover 19 through a rotating rod, the second rack 72 is fixedly arranged at the bottom of the cover plate 71, the feeding hole corresponds to one of the openings on the cover plate 71, the formed matter enters the separating box 15 through the feeding hole and the opening, when the separating plate 11 is overturned, the first gear 54 rotates to drive the second gear 73 to rotate through the belt transmission device, the second gear 73 drives the second rack 72 to move, the second rack 72 drives the cover plate 71 to move, the opening on the cover plate 71 moves along with the cover plate 71, the opening is dislocated with the feeding hole, the cover plate 71 shields the feeding hole, the feeding hole cannot be fed, when the separating plate 11 is overturned, the separating plate 11 is overturned to be in a horizontal state, the cover plate 71 moves to another opening hole to correspond to the feeding hole, so that the formed object enters the separation box 15 through the feeding hole and the other opening hole, the cover plate 71 can be driven to move in the overturning process of the separation plate 11 and the separation box 15, the cover plate 71 blocks the feeding hole, the blanking stop in the overturning process of the separation plate 11 is ensured, and the formed object cannot be scattered to other places.

Furthermore, both sides of the cover plate 71 are fixedly provided with guide rail blocks, the inner wall of the top of the separation box 15 is fixedly provided with a guide rail, and the guide rail blocks are in sliding fit in the guide rail, so that the cover plate 71 is more stable in movement and is not easy to shake, and the cover plate 71 is supported.

Furthermore, the end of the connecting pipe 16 far away from the separating box 15 is provided with a flaring, so that the formed material can enter the connecting pipe 16 more easily and is not easy to scatter.

Further, referring to fig. 11 and 12, a track ring 8 is fixedly installed on an inner wall of one side of the separation box 15, a sealing assembly 9 is installed on each of the two connecting pipes 16, each sealing assembly 9 includes a sealing cover 91, a sealing plate 92, a track rod 93 and a force storage member 94, one side of the sealing cover 91 is communicated with the connecting pipe 16, the other side of the sealing cover is communicated with the separation box 15, the sealing plate 92 is slidably fitted in the sealing cover 91, two track grooves are formed in the track ring 8, the track rods 93 are arranged in the corresponding track grooves and are pushed by the force storage members 94 to abut against the track ring 8, the separation box 15 can be synchronously turned over with the separation plate 11, when the separation plate 11 is turned over, the connecting pipes 16 drive the sealing assemblies 9 to move, the track rods 93 disengage from the track grooves and push the sealing plate 92 to move under the limit of the track ring 8, the sealing plate 92 moves towards the direction close to the sealing cover 91 to seal the sealing cover 91, two track grooves are respectively arranged at the positions of the track ring 8 corresponding to the connecting pipes 16, and the track rods 93 can enter the track grooves before and after the separation plate 11 is turned over, so that the connecting pipes 16 can discharge and feed materials.

When the separation box 15 and the separation plate 11 are turned over, the track rod 93 is separated from the track groove, the track rod 93 is limited by the track ring 8 to push the closing plate 92 to move, the closing plate 92 closes the closing cover 91, the connecting pipe 16 cannot discharge materials, and when the separation box 15 and the separation plate 11 are turned over and the connecting pipe 16 does not correspond to the block-shaped object feeding pipe 12 or the granular-shaped object feeding pipe 13, the formed objects in the separation box 15 cannot be spilled out through the connecting pipe 16.

Further, referring to fig. 12, both sides of the track groove are arc-shaped, so that the track rod 93 is not caught when entering and leaving the track groove.

Further, referring to fig. 12, a ball is connected to one end of the track rod 93 close to the track ring 8 in a rolling manner, and the track rod 93 abuts against the track ring 8 through the ball, so that friction between the track rod 93 and the track ring 8 is reduced, the track rod 93 is not easy to wear, and the track rod 93 moves more smoothly and is not easy to be clamped.

Further, referring to fig. 12, two connecting plates are fixedly mounted on the separating box 15, a stabilizing rod is fixedly mounted between the two connecting plates, a baffle is fixedly mounted at the bottom of the closing plate 92, one end of the force storage member 94 is fixedly mounted at one side of the baffle, which is far away from the track rod 93, the stabilizing rod penetrates through the baffle and is in sliding fit with the baffle, and the other end of the force storage member 94 is fixedly mounted on the corresponding connecting plate, so that the closing plate 92 is more stable and is not easy to shake.

Further, referring to fig. 12, the power storage member 94 is sleeved on the stabilizing rod, so that the power storage member 94 is not easy to laterally deform and is more stable.

Further, power accumulator 94 is a prior art spring.

Further, referring to fig. 4 and 14, the heat exchanger 14 comprises a first heat exchanger and a second heat exchanger, and the first heat exchanger and the second heat exchanger have the same structure and only differ in that the power of the cooling fan 143 in the first heat exchanger and the second heat exchanger is different, specifically, the power of the cooling fan 143 in the heat exchanger 14 communicated with the block molding material feeding pipe 12 is greater than the power of the cooling fan 143 in the heat exchanger 14 communicated with the granular molding material feeding pipe 13, in this embodiment, the structure of the first heat exchanger is described as a first heat exchanger, the first heat exchanger comprises a box body 141, a plurality of slow-falling plates 142 and the cooling fan 143, a plurality of slow-falling plates 142 are fixedly installed on the inner side wall of the box body 141 in a staggered manner, and two adjacent slow descending plates 142 are arranged oppositely, the discharge holes are formed in the bottoms of the box body 141 and the outer cover 19, and the second heat exchanger structure refers to the first heat exchanger.

The formed object gets into box 141 to slowly fall through slowly falling board 142, and cooling blower 143 introduces external cold air through the discharge opening, and the air contacts with the high temperature formed object, and the high temperature formed object heats the air, and the formed object is followed the discharge opening ejection of compact after the cooling.

Further, referring to fig. 1, the forming device 2 includes a transmission chain belt 21, a rotating roller 22 and a forming mold 23, the forming mold 23 is fixedly installed on the transmission chain belt 21, the transmission chain belt 21 can drive the forming mold 23 to move, and a plurality of block-shaped forming grooves 231 and a plurality of granular forming grooves 232 are formed in the forming mold 23.

Further, the transmission chain belt 21 is formed by hinging a plurality of metal sheets, and the fixing points of the forming mold 23 and the transmission chain belt 21 are arranged on the same metal sheet, so that the forming mold 23 can be driven to move by the bending movement of the transmission chain belt 21.

The molten slag is introduced into a plurality of lump-shaped molding grooves 231 and a plurality of granular molding grooves 232, and cooled to become an ore-shaped molded object and a granular molded object.

Further, a blanking pipe is fixedly communicated with the top of one end, far away from the heat exchanger 14, of the shell 24, blanking holes are formed in the bottom of the blanking pipe corresponding to the block-shaped forming grooves 231 and the granular forming grooves 232, and the feeding time of the block-shaped forming grooves 231 and the feeding time of the granular forming grooves 232 are consistent by adjusting the size of the blanking holes.

Further, the molten metal is sprayed with a release agent in the lump-shaped molding groove 231 and the granular-shaped molding groove 232 before entering the lump-shaped molding groove 231 and the granular-shaped molding groove 232, so that the molded object can be released more easily and is less likely to adhere to the lump-shaped molding groove 231 and the granular-shaped molding groove 232, and specifically, the release agent is lime slurry.

Further, referring to fig. 15, 16 and 17, on the basis of spraying a release agent into the block-shaped forming groove 231 and the granular forming groove 232, the present embodiment discloses a slag removing device, which makes the formed object easier to be demolded, the slag removing device includes an air cylinder 31, an air pipe 32 and a clamping plate 33, an air passage 35 is provided in the forming mold 23, the air passage 35 is communicated with the block-shaped forming groove 231 and the granular forming groove 232, both the block-shaped forming groove 231 and the granular forming groove 232 are provided with a bottom plate 34, the air cylinder 31 is fixedly installed at the outer side of the housing 24, the output end of the air cylinder 31 extends into the housing 24 and can extend and contract in the housing 24, one end of the air pipe 32 is fixedly installed at the output end of the air cylinder 31, the output end of the air cylinder 31 can drive the air pipe 32 to move, the air pipe 32 is communicated with the air passage 35, the air pipe 32 is connected with an external air source, the air pipe 32 is communicated with the air passage 35 and then introduces air into the block-shaped forming groove 231 and the granular forming groove 232, the bottom plate 34 moves under the action of air pressure and pushes the formed object out of the forming die 23, the transmission chain belt 21 runs intermittently, and when the transmission chain belt 21 stops intermittently, the air passage 35 on the forming die 23 is guaranteed to correspond to the air pipe 32, after the formed object is pushed out of the forming die 23 by the bottom plate 34, the air pipe 32 is driven by the air cylinder 31 to be separated from the air passage 35, the air passage 35 is arranged in a small diameter mode, certain air pressure is kept in a short time, the air pressure is gradually reduced, the transmission chain belt 21 drives the forming die 23 to move at the moment, the forming die 23 drives the formed object located outside the block-shaped forming groove 231 and the granular forming groove 232 to move through the bottom plate 34, the formed object abuts against the clamping plate 33 and is separated from the bottom plate 34 under the action of the clamping plate 33, the formed object can be separated from the block-shaped forming groove 231 and the granular forming groove 232, and the condition that the formed object cannot be bonded and cannot be demolded is avoided.

Further, the connecting groove has all been seted up to the bottom in cubic shaping groove 231 and granular shaping groove 232, and fixed mounting has the connecting rod on the bottom plate 34, and connecting rod sliding fit makes the bottom plate remove more firm in the sliding tray.

Further, referring to fig. 17 and 18, a fixing plate is fixedly installed at one end of the connecting rod away from the bottom plate 34, a fixing ring is fixedly installed on a side wall of the connecting groove close to the bottom plate 34, and the diameter of the fixing plate is larger than that of an inner ring of the fixing ring, so that the fixing plate cannot be connected with the connecting groove, and the bottom plate 34 cannot be separated from the block-shaped forming groove 231 and the granular-shaped forming groove 232.

Further, referring to fig. 17 and 18, a return spring 36 is fixedly mounted at one end of the fixing plate close to the connecting rod, the return spring is compressed by the connecting rod and the fixing plate when the bottom plate 34 moves, the air passage 35 is arranged in a small diameter mode, a certain air pressure is kept in a short time when the air pipe 32 is separated from the air passage 35, the air pressure is gradually reduced, and when the air pressure in the block-shaped forming groove 231 and the granular-shaped forming groove 232 is reduced to be incapable of resisting the return force of the return spring 36, the return spring 36 is reset and drives the bottom plate 34 to reset.

Further, referring to fig. 1, the forming device 2 further includes a housing 24, the transmission chain belt 21 and the forming mold 23 are both disposed in the housing 24, two ends of the rotating roller 22 are rotatably connected to the inner side wall of the housing 24, a discharging funnel 25 is fixedly mounted at the top of the outer cover 19 corresponding to the discharging opening, and the top of the discharging funnel 25 is fixedly mounted on the housing 24 and is communicated with the housing 24.

The hot air in the outer cover 19 can enter the shell 24 through the discharging funnel 25 to cool the molten slag in the shell 24 and accelerate the forming of the molten slag, the temperature of the hot air is further increased, one end, far away from the discharging funnel 25, of the shell 24 is communicated with the air outlet hole, the hot air is discharged through the air outlet hole and utilized, and the heat exchange is completed.

Further, referring to fig. 1, an auxiliary fan 10 is fixedly installed at the top of the outer cover 19, an output end of the auxiliary fan 10 is communicated with the shell 24, the auxiliary fan 10 introduces hot air in the outer cover 19 into the shell 24 to exchange heat and cool molten slag in the shell 24, the outer cover 19 forms negative pressure to prevent the hot air in the outer cover 19 from overflowing, and an air inlet is formed in the outer cover 19.

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 modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and the like made thereto are intended to be included within the scope of the present invention.

Claims (9)

1. Blast furnace slag shaping and waste heat recovery equipment, including horizontal separator plate (11) and forming device (2) that set up, its characterized in that: a plurality of separation holes are formed in the separation plate (11); the device also comprises a block-shaped object feeding pipe (12) and a granular-shaped object feeding pipe (13), wherein the block-shaped object feeding pipe (12) and the granular-shaped object feeding pipe (13) are respectively communicated with a corresponding heat exchanger (14); the granular molded objects on the separation plate (11) can fall into the granular molded object feeding pipe (13) through the separation holes, and the blocky molded objects are remained on the separation plate (11);

the granular molding substance feeding pipe (13) and the block molding substance feeding pipe (12) can move synchronously, the separation plate (11) is overturned after the granular molding substance feeding pipe and the block molding substance feeding pipe are synchronously moved to a designated position, the block molding substance remained on the separation plate (11) is overturned and falls into the block molding substance feeding pipe (12), and the block molding substance discharged onto the separation plate (11) is remained on the separation plate (11) after the separation plate (11) is overturned to be horizontal;

the device also comprises an inclined plate (17), when the separating plate (11) is turned over, the inclined plate (17) is synchronously turned over along with the separating plate (11), so that the granular molded objects can fall onto the inclined plate (17) through the separating holes and fall into the granular molded object feeding pipe (13) through the inclined plate (17);

the separating plate (11) can be reversed and reset, so that the blocky forming object left on the separating plate (11) is reversed and falls into the blocky forming object feeding pipe (12), and the granular forming object feeding pipe (13) and the blocky forming object feeding pipe (12) synchronously move and reset after the blocky forming object feeding pipe is reversed and reset.

2. The blast furnace slag forming and waste heat recovery apparatus according to claim 1, characterized in that: the granular forming object feeding pipe (13) and the blocky forming object feeding pipe (12) are fixedly provided with a movable plate (3) together, the movable plate (3) is connected with a pushing assembly (4), the pushing assembly (4) comprises a power device (41), a pushing plate (42) and an elastic piece (43), the power device (41) pushes the pushing plate (42) to move, the pushing plate (42) pushes the movable plate (3) to move through the elastic piece (43), the movable plate (3) drives the granular forming object feeding pipe (13) and the blocky forming object feeding pipe (12) to move to a designated position, the movable plate (3) is limited, and the pushing plate (42) continues to move to enable the elastic piece (43) to accumulate force and drive the separation plate (11) to overturn through a driving assembly (5); the driving assembly (5) comprises a supporting plate (51), a fixing piece (52), a first rack (53) and a first gear (54), when the pushing plate (42) pushes the moving plate (3) to a limiting position, the pushing plate (42) is supported against the supporting plate (51) and drives the supporting plate (51) to move, the supporting plate (51) drives the first rack (53) to move through the fixing piece (52), the first rack (53) drives the first gear (54) to rotate, and the first gear (54) can drive the separating plate (11) to rotate so that the separating plate (11) can be turned.

3. The blast furnace slag forming and waste heat recovery device according to claim 2, characterized by further comprising an outer cover (19), wherein the separation plate (11) and the heat exchanger (14) are both arranged in the outer cover (19), a feed port is formed in the outer cover (19), a closing assembly (7) is arranged in the outer cover (19), the feed port is shielded by the closing assembly (7) in the overturning process of the separation plate (11), and the feed port is opened by the closing assembly (7) after the separation plate (11) is overturned to be horizontal.

4. The blast furnace slag forming and waste heat recovery device according to claim 3, wherein the closing assembly (7) comprises a cover plate (71), a second rack (72), a second gear (73) and a belt transmission device (74), two openings are formed in the cover plate (71), a feeding port corresponds to one opening, when the separating plate (11) is turned over, the first gear (54) rotates and can drive the second gear (73) to rotate through the belt transmission device (74), the second gear (73) drives the second rack (72) to move, the second rack (72) drives the cover plate (71) to move, the cover plate (71) shields the feeding port, and when the separating plate (11) is turned over, the feeding port corresponds to the other opening.

5. The blast furnace slag forming and waste heat recovery device according to claim 4, characterized in that the outer cover (19) is rotatably connected with a separation box (15), the separation plate (11) is fixedly installed in the separation box (15), the top and the bottom of the separation box (15) are both communicated with connecting pipes (16), the two connecting pipes (16) are arranged in a central symmetry manner by taking the rotating point of the separation plate (11) as a central point, a track ring (8) is fixedly installed on the inner wall of one side of the separation box (15), a sealing assembly (9) is arranged on each of the two connecting pipes (16), the sealing assembly (9) comprises a sealing cover (91), a sealing plate (92), a track rod (93) and a force storage member (94), one side of the sealing cover (91) is communicated with the connecting pipe (16), the other side is communicated with the separation box (15), and the sealing plate (92) is slidably matched in the sealing cover (91), two track grooves are formed in the track ring (8), the track rod (93) is arranged in the corresponding track groove and is pushed by the power storage piece (94) to be abutted against the track ring (8), the separation box (15) can be synchronously turned over with the separation plate (11), when the separation plate (11) is turned over, the connecting pipe (16) drives the sealing component (9) to move, the track rod (93) is separated from the track grooves and pushes the sealing plate (92) to move under the limiting of the track ring (8), and the sealing plate (92) moves towards the direction close to the sealing cover (91) to seal the sealing cover (91).

6. The blast furnace slag forming and waste heat recovery device according to claim 5, wherein the heat exchanger (14) comprises a first heat exchanger and a second heat exchanger, the first heat exchanger and the second heat exchanger each comprise a box body (141), a plurality of slow-falling plates (142) and a cooling fan (143), the plurality of slow-falling plates (142) are fixedly mounted on the inner side wall of the box body (141) in a staggered manner, the two adjacent slow-falling plates (142) are arranged oppositely, and discharge holes are formed in the bottoms of the box body (141) and the outer cover (19).

7. The blast furnace slag forming and waste heat recovery device according to claim 1, wherein the forming device (2) comprises a transmission chain belt (21), a rotating roller (22) and a forming mold (23), the forming mold (23) is fixedly installed on the transmission chain belt (21), the transmission chain belt (21) can drive the forming mold (23) to move, and the forming mold (23) is provided with a plurality of block-shaped forming grooves (231) and a plurality of granular forming grooves (232).

8. The blast furnace slag forming and waste heat recovery device according to claim 4, wherein the forming device (2) further comprises a transmission chain belt (21), a rotating roller (22), a forming mold (23) and a shell (24), the transmission chain belt (21) and the forming mold (23) are arranged in the shell (24), two ends of the rotating roller (22) are rotatably connected to the inner side wall of the shell (24), a discharging funnel (25) is fixedly installed at the top of the outer cover (19) corresponding to the discharging opening, and the top of the discharging funnel (25) is fixedly installed on the shell (24) and communicated with the shell (24).

9. The blast furnace slag forming and waste heat recovery device according to claim 8, wherein an auxiliary fan (10) is fixedly installed at the top of the outer cover (19), and the output end of the auxiliary fan (10) is communicated with the outer shell (24).

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