CN212040752U

CN212040752U - Steel slag micro powder production and treatment system

Info

Publication number: CN212040752U
Application number: CN202020879596.8U
Authority: CN
Inventors: 卢洪亮
Original assignee: Jiangsu Tuoda Resources Recycling Co ltd
Current assignee: Jiangsu Tuoda Resources Recycling Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2020-12-01
Anticipated expiration: 2030-05-23

Abstract

The utility model relates to an industrial steel slag discarded object technical field provides a slag miropowder production processing system, including slag metering mechanism, slag transport mechanism, slag grinding mechanism, recovery mechanism, hot-blast mechanism, collection mechanism and storage mechanism. Through the repeated grinding treatment of the steel slag, the steel slag with higher hardness can be ground into the powdery raw material meeting the cement manufacturing requirement, the steel slag micro-powder production treatment system can reasonably utilize steel slag resources, develop circular economy, realize clean production, simplify the flow of steel slag treatment, reduce equipment involved in the production process, further reduce the use cost, improve the production efficiency, and meanwhile, is convenient to use and operate, brings convenience to users, can also achieve the purposes of saving energy and reducing consumption, has good economic and social benefits, and makes a contribution to the sustainable and healthy development of economy while changing industrial waste steel slag into valuables.

Description

Steel slag micro powder production and treatment system

Technical Field

The utility model relates to an industrial steel slag discarded object technical field, in particular to steel slag miropowder production processing system.

Background

The building material plays an important role in national economy, but the yield increase is based on the premise that a large amount of natural resources (such as limestone, clay and the like) are consumed in the production process, the sustainable development requirement is considered, in order to further reduce the consumption of the natural resources and protect the ecological environment, the best way is to fully utilize the industrial waste residues, so that the method not only contributes to reasonably utilizing the natural resources, but also can meet the requirements of a plurality of performances of the engineering, and the slag micro powder is doped in the concrete production to become a novel building material which is more and more attracted by people. Because the price of the slag micro powder is lower than that of the cement, the concrete mixed with the slag micro powder has economical efficiency and is suitable for the commercial concrete with centralized stirring. The concrete prepared by mixing the slag micro powder with cement, stones and sand has the advantages of high later strength, low hydration heat, good wear resistance, good bonding force with reinforcing steel bars and the like, and is particularly suitable for high-rise buildings, dams, airports, large deep foundations, underwater engineering and the like.

The steel slag is different from slag, the steel slag resource is the residual slag generated after steel mills smelt iron ores, the steel slag generally contains 10-20% of iron metal, the common method for processing the steel slag in China at present only extracts the iron metal with high value, and the rest part cannot be reasonably utilized. The steel slag produced in China in one year is hundreds of millions of tons, and a large amount of steel slag is piled in the open air in long time, which causes a troublesome environmental problem. The development prospect of the steel slag resource is very wide.

At present, a plurality of slag micropowder plants exist in China, but compared with slag, the steel slag has the characteristics of high hardness and poor activity, so that the steel slag is not accepted by the market for a long time, and a large-scale micropowder production process cannot be realized, and the steel slag is essentially burnt stone like clinker and grain slag, but cannot be used as a raw material for producing cement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the steel slag that hardness is high, the activity is poor does not have the production processing system and can realize the production of scale miropowder to regard the steel slag miropowder as the raw materials of production cement, the utility model provides a steel slag miropowder production processing system then can solve above-mentioned problem.

Specifically, the steel slag micro powder production and treatment system comprises a steel slag metering mechanism, a steel slag transferring mechanism, a steel slag grinding mechanism, a recycling mechanism, a hot air mechanism, a collecting mechanism and a storing mechanism;

the steel slag metering mechanism is used for conveying steel slag after metering to the steel slag grinding mechanism through the steel slag transferring mechanism, the steel slag grinding mechanism is used for grinding the steel slag into powder, the recovery mechanism is used for conveying the steel slag which is not ground into powder in the steel slag grinding mechanism to the steel slag grinding mechanism again to be ground into powder again, the hot air mechanism is used for generating hot air and introducing the hot air into the steel slag grinding mechanism, the material which is ground into powder in the steel slag grinding mechanism meets hot air and rises along with the hot air, the collecting mechanism is used for collecting powdery materials, and the storage mechanism is used for storing the powdery materials in the collecting mechanism.

Further, still include slag heap canopy, conveyer transports slag to slag heap canopy, be provided with preprocessing device in the slag heap canopy.

Further, the conveying device is a belt conveyor or a transport vehicle, and the pretreatment device is a roller press or a rod mill.

Further, the steel slag metering mechanism comprises quantitative feeders, the number of the quantitative feeders is two, the steel slag processed by the pretreatment device is transmitted to the quantitative feeders, the steel slag transfer mechanism comprises a first belt conveyor and a second belt conveyor, the height of the first belt conveyor is larger than that of the second belt conveyor, the pretreatment device and the quantitative feeders transmit the measured steel slag to the first belt conveyor, the first belt conveyor transmits the steel slag to the second belt conveyor, strong magnetic iron removers are arranged on the first belt conveyor and the second belt conveyor, and the second belt conveyor transmits the steel slag to the steel slag grinding mechanism.

Further, the steel slag grinding mechanism comprises a steel slag vertical grinding machine, the second belt conveyor conveys the steel slag to the steel slag vertical grinding machine, the steel slag vertical grinding machine comprises a base, a motor is mounted at the top of the base, a speed reducer is fixedly connected to the output end of the motor, a grinding disc base is fixedly connected to the output end of the speed reducer, a grinding disc is fixedly connected to the top of the base, and a grinding disc air guide seat is sleeved on the grinding disc;

the top of the base is provided with a shell, the top of the shell is open, the bottom of the shell is fixedly connected with the base, the speed reducer, the grinding disc base, the grinding disc and the grinding disc air guide seat are all located in an inner cavity of the shell, the output end of the motor penetrates through the inner cavity of the shell, the bottom of the shell is communicated with a hot air inlet pipe, the hot air inlet pipe is communicated with a hot air mechanism, the speed reducer, the grinding disc base, the grinding disc and the grinding disc air guide seat are provided with preset spaces apart from the inner wall of the shell, the spaces are defined as hot air channels, the hot air conveys powdery materials to the collecting mechanism through the hot air channels, the bottom of the shell is provided with a first through hole, and large-particle steel slag which is not ground into powder immediately falls into the;

also comprises three groups of grinding roller grinding assemblies which are arrayed on the top of the base and are matched with the grinding disc to grind the steel slag, the three groups of grinding roller grinding assemblies comprise a hydraulic base, a first hydraulic cylinder, a connecting block, a rotating shaft, a grinding roller, a rotating bracket, a positioning frame, a second hydraulic cylinder and a scraper, the hydraulic base is fixedly connected with the top of the base, the first hydraulic cylinder and the second hydraulic cylinder are respectively hinged on two sides of the top of the hydraulic base, the other end of the first hydraulic cylinder is hinged with a connecting block, the connecting block is rotationally connected with the grinding roller through a rotating shaft, one end of the rotating shaft penetrates through the inner cavity of the shell and is fixedly connected with the grinding roller, the grinding roller is matched with the grinding disc to grind the steel slag, the bottom of the connecting block is hinged with the top of the rotating support, and the bottom of the rotating support is hinged with the output end of the second hydraulic cylinder;

the bottom fixedly connected with scraper blade of mill induced air seat, the inner chamber fixedly connected with of casing gathers materials the board, it establishes on mill induced air seat to gather materials the board cover, the scraper blade is located the top of gathering the flitch, a plurality of second through-holes have been seted up on the flitch that gathers materials, the board that gathers materials is used for collecting the powdery material and the cubic material that the mill top fell down, the scraper blade will be blocky material scrape to second through-hole department and fall into the recovery mechanism through first through-hole in, hot-blast will pass the second through-hole and carry the powdery material to collection mechanism.

Further, retrieve the mechanism and include third belt feeder, returning charge lifting machine, grinding component and branch material rotor plate, the third belt feeder setting is used for receiving the cubic material that falls out from the second through-hole in the bottom of slag vertical mill, the returning charge lifting machine carries the cubic material on the third belt feeder to the grinding component inner chamber, grinding component carries out the grinding once more to cubic material, grinding component carries the material that grinds once more to the branch material rotor plate and falls to the second belt feeder and enters into slag vertical mill again and carries out the vertical milling to powder.

Further, the grinding assembly comprises a grinding box body, a feed inlet, a grinding motor, a first gear, a second gear, a first grinding roller, a second grinding roller and a discharge outlet, wherein the feed inlet and the discharge outlet are respectively arranged at the top and the bottom of the grinding box body, the grinding motor is arranged at the top of the grinding box body, an output shaft of the grinding motor is fixedly connected with the first gear, the first gear is meshed with the second gear, the tops of the first grinding roller and the second grinding roller are respectively and fixedly connected with a first connecting shaft, the first connecting shafts on the first grinding roller and the second grinding roller respectively penetrate through the top of the grinding box body and are fixedly connected with the first gear and the second gear, the bottoms of the first grinding roller and the second grinding roller are respectively and fixedly connected with a second connecting shaft, the bottom of the second connecting shaft is rotatably connected with the grinding box body, and the block-shaped materials are conveyed into the grinding box body through the feed inlet by the material returning hoister, the discharge port is positioned at the top of the material distribution rotating plate.

Further, the hot air mechanism comprises a hot air furnace, and an air outlet of the hot air furnace is communicated with a hot air inlet pipe.

Further, collect mechanism and include high-efficient pulse bag dust remover, exhaust fan, chimney, fourth belt feeder and first conveyer trough, the high-efficient pulse bag dust remover is inhaled during the powdery material is found the mill with the slag through the pipeline to the high-efficient pulse bag dust remover, exhaust fan business turn over wind gap respectively with high-efficient pulse bag dust remover and chimney, the powdery material is carried to first conveyer trough department in the fourth belt feeder will the high-efficient pulse bag dust remover.

Preferably, the storage mechanism includes a first finished product elevator, a second conveying chute and a finished product storage tank, the first conveying chute conveys the powdery material to the first finished product elevator, the first finished product elevator conveys the powdery material to the second conveying chute, and the second conveying chute conveys the material to the finished product storage tank for storage.

Compared with the prior art, the utility model beneficial effect is, through the grinding process many times to the slag, can grind into the powdery raw materials who accords with the cement manufacture requirement with the higher slag of hardness, this slag miropowder production processing system can the rational utilization slag resource, develop circular economy, realize cleaner production, and simplified the flow that the slag was handled, reduce the equipment that relates to in the production process, and then reduced the cost of use, the efficiency of production has been improved, convenient to use and operation simultaneously, bring the facility for the user, also can reach energy saving and consumption reduction's purpose, good economic benefits and social have, when changing industry waste steel slag into valuables, also will make the contribution for the sustainable healthy development of economy.

Drawings

FIG. 1 is a schematic structural view of a steel slag micro powder production processing system;

FIG. 2 is a schematic perspective view of the steel slag grinding mechanism of the present invention (effect after the case is removed);

FIG. 3 is a schematic perspective view of the steel slag grinding mechanism of the present invention;

fig. 4 is a schematic view of the perspective effect of the housing of the present invention.

Fig. 5 is a schematic view of the steel slag grinding mechanism of the present invention.

Fig. 6 is a schematic sectional view of the housing of the present invention.

Fig. 7 is a schematic plan view of the steel slag grinding mechanism of the present invention.

In the figure: 1. steel slag piling shed; 2. a transportation device; 3. a pretreatment device; 4. a dosing machine; 5. a first belt conveyor; 6. a second belt conveyor; 7. a steel slag vertical mill; 71. a base; 72. a motor; 73. a speed reducer; 74. a millstone base; 75. a grinding disc; 76. a millstone draught seat; 77. a housing; 78. a hydraulic base; 79. a first hydraulic cylinder; 710. connecting blocks; 711. a rotating shaft; 712. grinding the roller; 713. rotating the bracket; 714. a positioning frame; 715. a second hydraulic cylinder; 716. a squeegee; 717. a material collecting plate; 718. a hot air inlet pipe; 8. a third belt conveyor; 9. a material returning hoister; 10. a grinding assembly; 11. a material distribution rotating plate; 12. a high-efficiency pulse bag dust collector; 13. an exhaust fan; 14. a chimney; 15. a fourth belt conveyor; 16. a first delivery chute; 17. a hot blast stove; 18. a first finished product elevator; 19. a second delivery chute; 20. a finished product storage tank; 21. a second finished product elevator; 22. bulk canning; 23. a strong magnetic iron remover.

Detailed Description

The foregoing and additional embodiments and advantages of the present invention will be apparent from and more fully described in the following detailed description of the invention, taken in conjunction with the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them.

The cement is one of three basic materials of basic construction materials, and no other building materials can completely replace the cement in a long period of time, so that the cement has vigorous vitality. With the development of national economy, the construction of infrastructures such as energy, traffic, industry, real estate and the like, no matter buildings and ports are built, water conservancy and highway construction are carried out, cement cannot be opened, slag resources are fully utilized at present, and at the moment, steel slag resources are not well utilized.

Particularly, no system can realize large-scale utilization of steel slag to produce micro powder to serve as a raw material for producing cement at present, and steel slag has high hardness and poor activity compared with slag, and the existing system is too complex and tedious in design and difficult to apply to actual production.

The utility model discloses a to the many times grinding processing of slag, can grind into the likepowder raw materials that accords with the cement manufacture requirement with the higher slag of hardness, and the system relates to equipment less, has very strong practicality, and the essential step has:

1. conveying steel slag: the steel slag is conveyed to the steel slag piling shed 1 through the conveying device 2, the steel slag raw material is pretreated through a roller press or a rod mill, and then the steel slag is conveyed to the steel slag vertical mill 7 through the constant feeder 4, the first belt conveyor 5 and the second belt conveyor 6.

2. Vertically grinding steel slag: the material falls down onto the grinding disc 75, the grinding disc 75 rotating at a constant speed uniformly disperses and flattens the raw material outwards by the action of centrifugal force, so that a material bed with a certain thickness is formed, and the material is simultaneously rolled by the plurality of grinding rollers 712 on the grinding disc 75 and is crushed. The materials continuously move towards the outer edge of the grinding disc under the continuous driving of the centrifugal force, the materials leaving the grinding disc encounter the hot gas entering the shell 77 through the hot air inlet pipe 718 and then rise along with the hot gas, and the materials enter the high-efficiency pulse bag dust collector 12 through the shell 77, in the process, the materials and the hot gas perform sufficient heat exchange, and the moisture is quickly evaporated.

3. Collecting and transporting finished products: the steel slag is ground in a vertical mill 7 and sent to a finished product storage tank 20 or a bulk tank 22 after passing through a high-efficiency pulse bag dust collector 12.

The concrete system structure is shown in fig. 1-7, and the steel slag micro powder production and treatment system comprises a steel slag metering mechanism, a steel slag transferring mechanism, a steel slag grinding mechanism, a recycling mechanism, a hot air mechanism, a collecting mechanism and a storage mechanism.

The steel slag metering mechanism is used for conveying steel slag after metering to the steel slag grinding mechanism through the steel slag transferring mechanism, the steel slag grinding mechanism is used for grinding the steel slag into powder, the recovery mechanism is used for conveying the steel slag which is not ground into powder in the steel slag grinding mechanism to the steel slag grinding mechanism again to be ground into powder again, the hot air mechanism is used for generating hot air and introducing the hot air into the steel slag grinding mechanism, the material which is ground into powder in the steel slag grinding mechanism meets hot air and rises along with the hot air, the collecting mechanism is used for collecting powdery materials, and the storage mechanism is used for storing the powdery materials in the.

In this embodiment, still include slag heap canopy 1, conveyer 2 transports slag heap canopy 1 with slag, is provided with preprocessing device 3 in the slag heap canopy 1, and slag heap canopy 1 is used for the useless slag of storage. In order to handle more convenient and high-efficient, improve the grinding effect of slag vertical mill 7 simultaneously, this embodiment carries out the preliminary treatment to the slag, sets up conveyer 2 into belt conveyor or transport vechicle, and preprocessing device 3 sets up to roll squeezer or rod mill, and roll squeezer or rod mill carry out the preliminary grinding with the slag, decompose large-scale cubic slag into the tiny particle shape.

In this embodiment, slag metering mechanism includes constant feeder 4, and constant feeder 4 can be quantitative transports away the slag, guarantees follow-up equipment, including slag vertical mill 7's grinding efficiency, accomplishes controllable purpose, avoids piling up in a large number of materials, in addition, for raising the efficiency, sets up the quantity of constant feeder 4 into two, and constant feeder 4 receives the slag that preprocessing device 3 handled.

The steel slag transferring mechanism comprises a first belt conveyor 5 and a second belt conveyor 6, the height of the first belt conveyor 5 is larger than that of the second belt conveyor 6, the pre-treatment device 3 and the quantitative feeder 4 transmit the measured steel slag to the first belt conveyor 5, the first belt conveyor 5 transmits the steel slag to the second belt conveyor 6, the first belt conveyor 5 and the second belt conveyor 6 are both provided with strong magnetic deironing devices 23, the second belt conveyor 6 conveys the steel slag to the steel slag grinding mechanism, the first belt conveyor 5 and the second belt conveyor 6 with a double-transmission structure are arranged, the strong magnetic deironing devices 23 are arranged on the first belt conveyor 5 and the second belt conveyor 6, in order to adsorb the residual iron of the steel slag as far as possible, the iron in the subsequent grinding process is prevented from damaging the equipment, and the iron can influence the quality of a final product, so that the ground powdery raw material is difficult to be used as the raw material of cement.

In this embodiment, the most important steel slag grinding mechanism includes a steel slag vertical grinding machine 7, the steel slag vertical grinding machine 7 has a main grinding function, the steel slag is ground into a required product, and when the steel slag grinding machine is used, the second belt conveyor 6 transports the steel slag to the steel slag vertical grinding machine 7.

The steel slag vertical mill 7 has the following specific structure: as shown in fig. 2-7, the steel slag vertical mill 7 includes a base 71, a motor 72 is installed on the top of the base 71, an output end of the motor 72 is fixedly connected with a speed reducer 73, an output end of the speed reducer 73 is fixedly connected with a mill base 74, a top of the base 71 is fixedly connected with a mill 75, the mill 75 is sleeved with a mill induced air seat 76, wherein the base 71 is a support seat of a steel structure, the motor 72 drives the mill base 74 to rotate through the speed reducer 73, the mill base 74 drives the mill 75 to rotate, the material rotates on the mill 75, and the mill 75 rotating at a constant speed disperses and paves the material outwards uniformly under the action of centrifugal force to form a material bed with a certain thickness;

in addition, a shell 77 is arranged at the top of the base 71, the design of the shell 77 is very important, as shown in fig. 2-7, the top of the shell 77 is open, the bottom of the shell 77 is fixedly connected with the base 71, the speed reducer 73, the grinding disc base 74, the grinding disc 75 and the grinding disc air guide seat 76 are all located in an inner cavity of the shell 77, the output end of the motor 72 penetrates through the inner cavity of the shell 77, the bottom of the shell 77 is communicated with a hot air inlet pipe 718, the hot air inlet pipe 718 is communicated with a hot air mechanism, the speed reducer 73, the grinding disc base 74, the grinding disc 75 and the grinding disc air guide seat 76 are all provided with a preset space away from the inner wall of the shell 77, the defined space is a hot air duct, hot air transmits the powdery material to the collecting mechanism through the hot air duct, the bottom of the shell 77 is provided with a first through hole, and.

In order to cooperate the mill 75 to grind the steel slag into powder, the steel slag vertical mill 7 further comprises three groups of grinding roller grinding assemblies, the three groups of grinding roller grinding assemblies are arrayed at the top of the base 71, the included angle between the adjacent grinding roller grinding assemblies is 120 degrees, the three groups of grinding roller grinding assemblies are all arranged to be adjustable, the distance between the grinding roller 712 and the mill 75 is mainly adjusted, and then the grinding effect and efficiency are controlled, so that the ground powder has different diameters.

The grinding assembly comprises a hydraulic base 78, a first hydraulic cylinder 79, a connecting block 710, a rotating shaft 711, a grinding roller 712, a rotating support 713, a positioning frame 714, a second hydraulic cylinder 715 and a scraper 716, wherein the hydraulic base 78 is fixedly connected to the top of the base 71, the first hydraulic cylinder 79 and the second hydraulic cylinder 715 are respectively hinged to two sides of the top of the hydraulic base 78, the other end of the first hydraulic cylinder 79 is hinged to the connecting block 710, the connecting block 710 is rotatably connected with the grinding roller 712 through the rotating shaft 711, one end of the rotating shaft 711 penetrates through an inner cavity of the shell 77 and is fixedly connected with the grinding roller 712, the grinding roller 712 is matched with the grinding disc 75 to grind steel slag, the bottom of the connecting block 710 is hinged to the top of the rotating support 713, and the bottom of the rotating support 713 is hinged to.

The adjusting process is as follows, as shown in fig. 1, when the grinding roller 712 needs to be away from the grinding disc 75, the first hydraulic cylinder 79 is opened, so that the first hydraulic cylinder 79 is contracted, the first hydraulic cylinder 79 pulls the connecting block 710 to rotate around the rotating bracket 713, the connecting block 710 drives the grinding roller 712 to rotate through the rotating shaft 711, and then the distance between the grinding roller 712 and the grinding disc 75 is adjusted, in order to ensure the stability during adjustment, the connecting block 710 pushes the rotating bracket 713 to rotate around the positioning bracket 714, the rotating bracket 713 pulls the second hydraulic cylinder 715 to extend, and then the stability during adjustment of the grinding roller 712 is ensured, and conversely, when the grinding roller 712 needs to be close to the grinding disc 75, the first hydraulic cylinder 79 is opened, so that.

In addition, how to part powdery material and cubic material in view of, the following design has been made to this embodiment, bottom fixedly connected with scraper blade 716 at mill induced draft seat 76, the inner chamber fixedly connected with of casing 77 gathers material board 717, it establishes on mill induced draft seat 76 to gather material board 717 cover, scraper blade 716 is located the top of gathering material board 717, a plurality of second through-holes have been seted up on the board 717 that gathers material, gather material board 717 is used for collecting powdery material and the cubic material that mill 75 tops fell down, scraper blade 716 scrapes cubic material to second through-hole department and falls into the recovery mechanism through first through-hole, hot-blast will pass the second through-hole and carry powdery material to collection mechanism, can reach and separate powdery material and cubic material, realize many times the purpose of grinding cubic material and collecting powdery material.

In this embodiment, the recycling mechanism includes a third belt conveyor 8, a material returning elevator 9, a grinding assembly 10 and a material dividing rotating plate 11, the third belt conveyor 8 is disposed at the bottom of the steel slag vertical mill 7 and is used for receiving the block-shaped material falling from the second through hole, the material returning elevator 9 conveys the block-shaped material on the third belt conveyor 8 to the inner cavity of the grinding assembly 10, the grinding assembly 10 grinds the block-shaped material again, and the grinding assembly 10 conveys the reground material to the material dividing rotating plate 11 and falls onto the second belt conveyor 6 to enter the steel slag vertical mill 7 again for vertical grinding into powder.

In order to further improve the grinding effect of the steel slag, in this embodiment, the grinding assembly 10 includes a grinding box, a feeding port, a grinding motor, a first gear, a second gear, a first grinding roller, a second grinding roller, and a discharging port, the feeding port and the discharging port are respectively disposed at the top and the bottom of the grinding box, the grinding motor is mounted at the top of the grinding box, an output shaft of the grinding motor is fixedly connected to the first gear, the first gear is engaged with the second gear, the tops of the first grinding roller and the second grinding roller are both fixedly connected to a first connecting shaft, the first connecting shafts on the first grinding roller and the second grinding roller respectively penetrate through the top of the grinding box and are fixedly connected to the first gear and the second gear, the bottoms of the first grinding roller and the second grinding roller are both fixedly connected to a second connecting shaft, the bottom of the second connecting shaft is rotatably connected to the grinding box, a material returning elevator 9 feeds the block-shaped material into the grinding box through the feeding port, the discharge hole is positioned at the top of the material-distributing rotating plate 11.

In this embodiment, the hot air mechanism includes a hot air furnace 17, an air outlet of the hot air furnace 17 is communicated with a hot air inlet pipe 718, obviously, hot air generated by the hot air furnace is introduced into the shell 77 through the hot air inlet pipe 718, and is matched with the high-efficiency pulse bag dust collector 12 to collect ground powdery materials.

In this embodiment, the collecting mechanism includes high-efficient pulse bag dust collector 12, exhaust fan 13, chimney 14, fourth belt feeder 15 and first conveying chute 16, and high-efficient pulse bag dust collector 12 inhales the powdery material in slag vertical grinding machine 7 to high-efficient pulse bag dust collector 12 through the pipeline, 13 air intakes and outflows of exhaust fan respectively with high-efficient pulse bag dust collector 12 and chimney 14, and fourth belt feeder 15 carries the powdery material in high-efficient pulse bag dust collector 12 to first conveying chute 16 department.

As shown in fig. 1, the storage mechanism further shows the effects of storing steel slag micropowder and loading the bulk of steel slag micropowder and bulk of automobile and steel slag micropowder, specifically, the storage mechanism includes a first finished product elevator 18, a second delivery chute 19 and a finished product storage tank 20, the first delivery chute 16 delivers the powdery material to the first finished product elevator 18, the first finished product elevator 18 delivers the powdery material to the second delivery chute 19, the second delivery chute 19 delivers the material to the finished product storage tank 20 for storage, the vehicle can transport the material stored in the finished product storage tank 20 to a cement plant or the like as a raw material for cement production, or transport the material to a ship, and the second finished product elevator 21 sucks the material on the vehicle to the bulk storage tank 22 on the ship, i.e., transport the raw material by the ship.

To sum up, through the grinding process many times to the slag, can grind the higher slag of hardness into the powdery raw materials that accords with the cement manufacture requirement, this slag miropowder production processing system can rational utilization slag resource, develop recycling economy, realize clean production, and simplified the flow that the slag was handled, reduce the equipment that relates to in the production process, and then reduced the cost of use, the efficiency of production has been improved, convenient to use and operation simultaneously, give the user convenience, also can reach energy saving and consumption reduction's purpose, good economic benefits and social, when changing industrial waste slag into valuables, also will make the above-mentioned concrete implementation mode for the sustainable healthy development of economy, it is right the utility model aims at, technical scheme, and beneficial effect carry out further detailed description. It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. It should be understood that any modification, equivalent replacement, or improvement made by those skilled in the art without departing from the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel slag micro powder production and treatment system is characterized by comprising a steel slag metering mechanism, a steel slag transferring mechanism, a steel slag grinding mechanism, a recycling mechanism, a hot air mechanism, a collecting mechanism and a storing mechanism;

2. The steel slag micro powder production and treatment system according to claim 1, wherein: the steel slag piling shed is characterized by further comprising a steel slag piling shed (1) and a conveying device (2), wherein the conveying device (2) conveys steel slag to the steel slag piling shed (1), and a pretreatment device (3) is arranged in the steel slag piling shed (1).

3. The steel slag micro powder production and treatment system according to claim 2, wherein: the conveying device (2) is a belt conveyor or a transport vehicle, and the pretreatment device (3) is a roller press or a rod mill.

4. The steel slag micro powder production and treatment system according to claim 3, wherein: the steel slag metering mechanism comprises a quantitative feeder (4), the quantitative feeder (4) is two in number, the steel slag processed by the pretreatment device (3) is transmitted to the quantitative feeder (4), the steel slag transfer mechanism comprises a first belt conveyor (5) and a second belt conveyor (6), the height of the first belt conveyor (5) is larger than that of the second belt conveyor (6), the measured steel slag is transmitted to the first belt conveyor (5) by the pretreatment device (3) and the quantitative feeder (4), the first belt conveyor (5) transmits the steel slag to the second belt conveyor (6), strong magnetic iron removers (23) are arranged on the first belt conveyor (5) and the second belt conveyor (6), and the second belt conveyor (6) transports the steel slag to a steel slag grinding mechanism.

5. The steel slag micro powder production and treatment system according to claim 4, wherein: the steel slag grinding mechanism comprises a steel slag vertical grinding machine (7), the second belt conveyor (6) conveys steel slag to the steel slag vertical grinding machine (7), the steel slag vertical grinding machine (7) comprises a base (71), a motor (72) is installed at the top of the base (71), the output end of the motor (72) is fixedly connected with a speed reducer (73), the output end of the speed reducer (73) is fixedly connected with a grinding disc base (74), the top of the base (71) is fixedly connected with a grinding disc (75), and a grinding disc air guide seat (76) is sleeved on the grinding disc (75);

the top of base (71) is provided with casing (77), the top of casing (77) is uncovered, the bottom and base (71) fixed connection of casing (77), speed reducer (73), mill base (74), mill (75) and mill induced draft seat (76) all are located the inner chamber of casing (77), the output of motor (72) runs through to the inner chamber of casing (77), the bottom intercommunication of casing (77) has hot-blast admission pipe (718), hot-blast admission pipe (718) and hot-blast mechanism intercommunication, speed reducer (73), mill base (74), mill (75) and mill induced draft seat (76) all have predetermined space apart from the inner wall of casing (77), define the space is hot-blast wind channel, hot-blast through-wind channel with powdery material transmission to collection mechanism, first through-hole has been seted up to the bottom of casing (77), the large-particle steel slag which is not ground into powder immediately falls into a recovery mechanism through the first through hole;

the steel slag grinding device is characterized by further comprising three groups of grinding roller grinding assemblies, the three groups of grinding roller grinding assemblies are arrayed at the top of the base (71), the three groups of grinding roller grinding assemblies are matched with a grinding disc (75) to grind steel slag, each group of grinding roller grinding assembly comprises a hydraulic base (78), a first hydraulic cylinder (79), a connecting block (710), a rotating shaft (711), a grinding roller (712), a rotating support (713), a positioning frame (714), a second hydraulic cylinder (715) and a scraper (716), the hydraulic base (78) is fixedly connected to the top of the base (71), the first hydraulic cylinder (79) and the second hydraulic cylinder (715) are respectively hinged to two sides of the top of the hydraulic base (78), the other end of the first hydraulic cylinder (79) is hinged to the connecting block (710), the connecting block (710) is rotatably connected with the grinding roller (712) through the rotating shaft (711), one end of the rotating shaft (711) penetrates through an inner cavity of the shell (, the grinding roller (712) is matched with the grinding disc (75) to grind the steel slag, the bottom of the connecting block (710) is hinged with the top of the rotating bracket (713), and the bottom of the rotating bracket (713) is hinged with the output end of the second hydraulic cylinder (715);

the bottom fixedly connected with scraper blade (716) of mill induced-draft seat (76), the inner chamber fixedly connected with collection flitch (717) of casing (77), collection flitch (717) cover is established on mill induced-draft seat (76), scraper blade (716) are located the top of collection flitch (717), a plurality of second through-holes have been seted up on collection flitch (717), collection flitch (717) are used for collecting powdery material and the cubic material that mill (75) top falls down, scraper blade (716) are scraped cubic material to second through-hole department and are fallen into through first through-hole and retrieve the mechanism, and hot-blast second through-hole that will pass is carried powdery material to collection mechanism.

6. The steel slag micro powder production and treatment system according to claim 5, wherein: retrieve the mechanism and include third belt feeder (8), returning charge lifting machine (9), grinding component (10) and branch material rotor plate (11), third belt feeder (8) set up and are used for receiving the cubic material that falls out from the second through-hole in the bottom of slag vertical mill (7), returning charge lifting machine (9) are carried the cubic material on third belt feeder (8) to grinding component (10) inner chamber, grinding component (10) carry out grinding once more to the cubic material, grinding component (10) carry the material that grinds once more to branch material rotor plate (11) and fall on second belt feeder (6) and enter into slag vertical mill (7) once more and carry out the vertical milling powder.

7. The steel slag micro powder production and treatment system according to claim 6, wherein: the grinding assembly (10) comprises a grinding box body, a feed inlet, a grinding motor, a first gear, a second gear, a first grinding roller, a second grinding roller and a discharge outlet, wherein the feed inlet and the discharge outlet are respectively arranged at the top and the bottom of the grinding box body, the grinding motor is arranged at the top of the grinding box body, an output shaft of the grinding motor is fixedly connected with the first gear, the first gear is meshed with the second gear, the tops of the first grinding roller and the second grinding roller are respectively and fixedly connected with a first connecting shaft, the first connecting shafts on the first grinding roller and the second grinding roller respectively penetrate through the top of the grinding box body and are fixedly connected with the first gear and the second gear, the bottoms of the first grinding roller and the second grinding roller are respectively and fixedly connected with a second connecting shaft, the bottom of the second connecting shaft is rotatably connected with the grinding box body, and a material returning hoister (9) sends the blocky materials into the grinding box body through the feed inlet, the discharge hole is positioned at the top of the material distribution rotating plate (11).

8. The steel slag micro powder production and treatment system according to claim 7, wherein: the hot air mechanism comprises a hot air furnace (17), and an air outlet of the hot air furnace (17) is communicated with a hot air inlet pipe (718).

9. The steel slag micro powder production and treatment system according to claim 8, wherein: collect mechanism and include high-efficient pulse bag dust collector (12), exhaust fan (13), chimney (14), fourth belt feeder (15) and first chute (16), high-efficient pulse bag dust collector (12) are inhaled the powdery material to high-efficient pulse bag dust collector (12) in with slag vertical mill (7) through the pipeline, exhaust fan (13) business turn over wind gap respectively with high-efficient pulse bag dust collector (12) and chimney (14), the powdery material is carried to first chute (16) department in fourth belt feeder (15) will high-efficient pulse bag dust collector (12).

10. The steel slag micro powder production and treatment system according to claim 9, wherein: the storage mechanism comprises a first finished product lifting machine (18), a second conveying chute (19) and a finished product storage tank (20), wherein the first conveying chute (16) conveys the powdery material to the first finished product lifting machine (18), the first finished product lifting machine (18) conveys the powdery material to the second conveying chute (19), and the second conveying chute (19) conveys the material to the finished product storage tank (20) for storage.