CN108858722B

CN108858722B - Production line and process for magnesia carbon brick products

Info

Publication number: CN108858722B
Application number: CN201810743755.9A
Authority: CN
Inventors: 王凤阳; 黄周峰
Original assignee: Jiangsu Wanheng Intelligent Technology Co ltd
Current assignee: Jiangsu Wanheng Intelligent Technology Co ltd
Priority date: 2018-07-09
Filing date: 2018-07-09
Publication date: 2023-09-26
Anticipated expiration: 2038-07-09
Also published as: CN108858722A

Abstract

The invention relates to a production line for magnesia carbon brick products and a process thereof, comprising a granule crushing unit, a plurality of groups of powder grinding units, an automatic batching and batching post-conveying system for graphite or fine powder, a liquid material metering and conveying unit, a material batching unit, a material mixing unit and a brick beating metering unit, wherein batching trucks are uniformly distributed between the material batching unit and the mixing unit and between the mixing unit and the brick beating metering unit. The invention can realize a whole set of automatic processes of automatic feeding treatment, automatic batching, automatic mixing, automatic weighing and metering and automatic brick making of granule materials, powder materials, graphite and fine powder materials and liquid materials, and realize automatic conveying, batching and dust recovery in the powder industry, the whole working process meets the environmental protection requirement, the environment in a workshop and the operating environment of workers are effectively ensured, and safe production is realized.

Description

Production line and process for magnesia carbon brick products

Technical Field

The invention relates to the field of pneumatic conveying and lifting conveying, in particular to a production line and a process for magnesia carbon brick products.

Background

At present, the following defects exist in the traditional feeding and pneumatic conveying feeding form of granule materials in the magnesia carbon brick production process:

(1) The feeding mode adopts manual lifting, adopts belt feeder or bucket elevator to carry, and manual lifting's mode wastes time and energy, needs many people to assist just can carry out the handling smoothly, and the cost is higher, inefficiency, workman's intensity of labour also greatly increased, easily appears leaking the circumstances such as material, raise dust and bulk cargo, influences whole workshop environment and workman's personal health. The traditional bucket elevator or belt conveyor is high in failure rate and high in maintenance cost, multi-point conveying cannot be achieved, the hopper is easy to leak in the lifting process, occupied space is large, and arrangement of a factory building is affected.

(2) Pneumatic conveying: in the production process, granule materials, powder materials, graphite and the like can be fed by pneumatic conveying; however, when the pneumatic conveying is used for conveying the particles, a small part of the particles are damaged due to friction, so that the requirements of customers with high product requirement levels and incapability of breaking cannot be met, and the conveying mode of the particles needs to be improved.

(3) The traditional batching mode is weighed for manual weighing, the precision of the weighing mode is lower, and the batching is realized by simple electric and pneumatic control through equipment, so that no linkage or linkage lag exists between batching links, the metering precision is not high, and the batching precision is reduced.

(4) The traditional material adopts artifical handling, belt transportation after the batching to send to the in-process of mixer, easily appears leaking circumstances such as expecting, raise dust, and it can't reach environmental protection requirement, inefficiency, especially the formula material of preparing completely can't fall the material completely, just so indirect change the formula of product, influenced the quality of product, influence whole output.

Disclosure of Invention

The inventor has made research and improvement on the existing problems, and provides a production line and a process for magnesia carbon brick products, which realize automatic feeding, batching, mixing, weighing metering and brick making treatment of granule materials, powder materials, graphite or fine powder raw materials and liquid raw materials in production or transportation, and have high automation degree.

The technical scheme adopted by the application is as follows:

the utility model provides a production line for magnesia carbon brick goods, includes the broken unit of granule material that is used for granule material to handle, the multiunit powder milling unit that is used for powder to handle, graphite or the automatic batching and batching back conveying system of fine powder, and the liquid material measurement conveying unit that is used for liquid material to handle, still includes the material batching unit that is used for carrying out the batching to broken granule material, the milled powder, the material mixing unit that is used for receiving the automatic batching and batching back conveying system and the liquid material measurement conveying unit of material batching unit of graphite or fine powder and is used for receiving the material after mixing and beat brick measurement unit, material batching unit, mixing unit and beat brick measurement unit top-down and arrange material batching car between material batching unit and mixing unit and beat brick measurement unit.

The further technical scheme is as follows:

the specific structure of the particle crushing unit is as follows:

the crushing raw material storage bin, the first cut-off valve, the first feeder, the first raw material crusher and the first bucket elevator form a particle material primary crushing zone for coarsely crushing particle materials; the discharging end of the first bucket elevator is connected with a plurality of first storage bins through pneumatic three-way reversing valves, wherein the discharging port of one first storage bin is sent into a group of second storage bins through a first feeder, a third raw material crusher, a second bucket elevator, a magnetic separator and a vibrating screen, the discharging port of the other first storage bin is sent into another group of second storage bins through the first feeder, the second raw material crusher, the second bucket elevator, the magnetic separator and the vibrating screen, the discharging end of each group of second storage bins is sent into the rotary bucket elevator through a second cut-off valve, a belt conveyor, a first transition bucket and the first feeder, and the second raw material crusher, the third raw material crusher, the second bucket elevator and the first feeder form a two-stage crushing area of the granular materials for secondarily crushing the granular materials;

The material batching unit has the following specific structure:

comprises a plurality of groups of particle batching systems for receiving crushed particles and a grinding batching system for receiving ground powder;

the granular material batching system comprises at least one group of granular material batching storage bins, each granular material batching storage bin is respectively communicated with a discharge port of the rotary bucket elevator, and the discharge ends of each granular material batching storage bin are respectively connected with a third feeder through a second cut-off valve;

the powder batching system comprises a group of powder batching bins, and the discharge ends of the powder batching bins are respectively connected with a fourth feeder through fourth cut-off valves;

the concrete structure of the material mixing unit is as follows:

the automatic batching and conveying system comprises a mixer connected with a liquid weighing hopper system, an automatic batching and conveying system for graphite or fine powder and a trolley transition hopper, wherein a dust remover with a fan is arranged on the mixer;

the concrete structure of the brick beating metering unit is as follows:

the system comprises brick beating metering machines, wherein each brick beating metering machine is connected with a second transition hopper for receiving materials carried by a lightering trolley through a chute;

the concrete structure of the powder grinding unit is as follows: the device comprises a mill, wherein the discharge end of the mill is connected with a first air conveying device, and the first air conveying device is also connected with a discharge port of a pulse dust collector;

The automatic batching and batching rear conveying system of the granular material crushing unit, the powder grinding unit, the graphite or fine powder and the material batching unit are connected with a centralized dust remover for centralized dust removal treatment through air pipes;

the number of the discharge holes of the first bucket elevator, the second bucket elevator and the rotating bucket elevator is different, and the concrete structure of the rotating bucket elevator is as follows:

at least one section of horizontal section of shell and one section of vertical section of shell are spliced to form a shell assembly, a feeding device is arranged on one section of horizontal section of shell, a driving motor is arranged at one end inside the shell assembly, the output end of the driving motor is connected with a conveying chain through a backstop clutch, and a hopper I is arranged on the conveying chain to realize cyclic reciprocation; a steering mechanism for reversing the hopper is arranged at the joint of the horizontal section shell and the vertical section shell; a discharge hopper for discharging is arranged on at least one section of horizontal section of shell, and a discharging device for discharging and overturning resetting the hopper is also arranged in the discharge hopper and on the horizontal section of shell;

a tensioner for adjusting the tightness of the chain is arranged at the end part of the non-driving end of the shell assembly; a detachable material collecting hopper for receiving leaked materials is also arranged on at least one section of the horizontal section of the shell;

The specific structure of the discharging device is as follows:

the device comprises a discharging frame fixedly connected with the outer side of a horizontal section of a shell, wherein a plurality of supporting columns are arranged on the discharging frame, each supporting column is connected with a pressing plate, the surface of the pressing plate is connected with a cylinder base plate, a first cylinder is arranged on the cylinder base plate, the output end of the first cylinder is connected with a guide rail, and two sides of the guide rail are fixedly connected with guide rail fixing clamping plates through fasteners respectively;

a plurality of inclined planes and a single horizontal plane are respectively arranged on the surface of the guide rail, wherein the inclined planes and the single horizontal plane are used for overturning and resetting after the hopper contacts, and the inclined planes are symmetrically arranged by taking the horizontal plane as a center;

guide plates are arranged on two sides of the inner wall of the shell assembly, the guide plates are arranged along the axes of the horizontal-section shell and the vertical-section shell, two sides of each hopper are respectively matched with a rotating shaft, each rotating shaft is matched with a bearing mounting bracket, one end of each bearing mounting bracket is provided with a bearing, the other end of each bearing mounting bracket is connected with a conveying chain, and the outer peripheral surface of each bearing is contacted with the guide plates; between two hopper I adjacently arranged, the edge of one hopper I is covered and abutted on the edge of the other hopper I;

the automatic batching and batching post-conveying system for graphite or fine powder has the following specific structure:

The bag opening station platform is arranged on the ground, the electric cabinet II is arranged on the bag opening station platform, at least one bag opening station is further arranged on the bag opening station platform, a graphite fine powder dust remover and an air outlet are arranged at the top of the bag opening station, a discharge hole of the bag opening station is communicated with a feed hole of a second feeder, and a second cut-off valve is further arranged at the discharge hole of each second feeder; the discharge port of the second feeder is communicated with the feeding position of the weighing hopper, a plurality of weighing sensors II for weighing are uniformly distributed along the periphery of the weighing hopper, and the discharge end of the weighing hopper is communicated with the inlet of the second pneumatic conveying device;

a manual gate valve is further arranged at the joint of the bag opening station discharge port and the second feeder feed port; the weighing hopper is fixed on the weighing hopper fixing frame; a ton bag unpacking hanger for hanging a ton bag and releasing a crane is also arranged on one side of each bag opening station and one side of the platform of the bag opening station;

a vibrator for emptying the hopper is also arranged on the weighing hopper; one side of the bag opening station platform is also provided with a platform climbing frame for overhauling operators.

The concrete structure of the brick making metering machine is as follows:

The device consists of a bucket body assembly for carrying or loading materials, a feeding mechanism for stirring and mixing and a weighing mechanism for calculating the weight of the materials; the hopper body assembly is positioned at a feed inlet of the feeding mechanism, the feeding mechanism is connected with an output end of the driving mechanism through a transmission mechanism, the weighing mechanism is arranged on a frame, and an electric cabinet I with a PLC controller is also arranged on the frame; an ejection device for opening the hopper body component material opening is also arranged above the material inlet of the feeding mechanism and on the frame;

a sealing mechanism for sealing the blanking port is arranged in the hopper body;

the concrete structure of the feeding mechanism is as follows:

comprises a stirring mechanism and a plurality of conveying mechanisms;

the stirring mechanism comprises a stirring shaft, helical blades are arranged along the periphery of the stirring shaft, and the blade diameters of the helical blades gradually increase from the head of the stirring shaft to the tail of the stirring shaft;

the conveying mechanism has the following specific structure:

the device comprises a conveying shaft, wherein a plurality of radially arranged convex teeth are arranged along the periphery of the conveying shaft; the adjacent convex teeth are arranged oppositely to form an eight shape;

the weighing mechanism comprises a weighing instrument, a second hopper and a fixed weighing scale, wherein the weighing instrument is arranged on the frame, the second hopper is arranged on the surface of the fixed weighing scale, the fixed weighing scale is connected with a lifting mechanism positioned on the frame through a supporting plate, and a first weighing sensor is further arranged on the supporting plate;

The sealing mechanism comprises a movable bottom rod arranged in the rod body opening in the hopper body, and one end of the movable bottom rod extending out of the rod body opening is connected with a sealing valve; the sealing valve is of a conical structure with gradually increasing volume from top to bottom, and the bottom area of the conical structure is matched with the blanking port; the hopper body is also provided with a plurality of forklift holes for forklift to lift the hopper body; a material receiving tray for preventing material leakage is further arranged on the frame below the fixed weighing scale, and the material receiving tray and the fixed weighing scale are arranged in parallel; a second cylinder is arranged below the discharge hole of the charging mechanism and on the rack, the piston end of the second cylinder is connected with a blanking frame through a sleeve joint piece, the blanking frame is an arc-shaped plate body with a semicircular longitudinal section, and a plurality of blanking holes for accurately blanking are formed in the surface of the arc-shaped plate body;

the process for automatically conveying and proportioning magnesia carbon bricks by utilizing the production line of magnesia carbon brick products comprises the following steps:

the first step: feeding a granular material raw material, a powder material raw material, graphite and a fine powder material raw material and a liquid material raw material; the raw materials of the granule materials are as follows: the feeding forklift is used for feeding the large-block granular material into a crushed material storage bin, the crushed material storage bin is used for feeding the large-block granular material into a first raw material crusher to be coarsely crushed, a part of coarsely crushed granular materials are conveyed into one group of first storage bins through a first bucket elevator and a pneumatic three-way reversing valve, and then are lifted by a second bucket elevator after being crushed by a third raw material crusher and conveyed to a belt conveyor through a magnetic separator, a vibrating screen and a second cutting valve; the other part of the coarse broken particles are conveyed to the other group of first storage bins through a pneumatic three-way reversing valve, then enter a second raw material crusher and are lifted by the other second bucket elevator, and finally are conveyed to a belt conveyor through a magnetic separator and a multi-layer vibrating screen, and all the particles on the belt conveyor are conveyed to all the particle material batching storage bins through a transition bucket and a rotating bucket elevator;

Powder raw materials: powder raw materials are fed into a powder ingredient storage bin through a pneumatic conveying device, a wear-resistant middle discharger and a wear-resistant terminal discharger after being ground by a grinding machine, and the powder ingredient storage bin is dedusted through a bin top deduster;

graphite or fine powder raw material: lifting the ton bags to the top of a bag opening station by a crane, opening the bags, and then hanging the bags on a ton bag unpacking hanger;

liquid raw materials: heating and stirring the liquid material through a liquid material metering and conveying unit, and conveying the liquid material to a liquid metering hopper system through a pipeline;

and a second step of: and (3) batching:

and (3) preparing particles: the granular materials in the granular material batching bin are batched through a feeding device and a double-bucket batching car;

powder batching: powder in the powder batching bin is batched by a feeding device and a double-bucket batching car;

graphite or fine powder raw material ingredients: the materials are fed into a metering device by a feeding device for weighing and are conveyed to a graphite transition bin by a pneumatic conveying device;

liquid raw material proportioning: the liquid material is processed by a liquid material metering and conveying unit and is conveyed to a liquid metering hopper system through a pipeline;

and a third step of: mixing: the double-bucket proportioning car is used for conveying the granular materials and the powder materials into the mixer through the trolley transition hopper, graphite or fine powder raw materials in the graphite transition hopper enter the mixer through a pipeline, any one or more of liquid raw materials in the liquid metering hopper system are delivered to the mixer according to the required quantity and technological requirements, the combination of any one or more of the granular materials, the powder materials, the graphite or fine powder raw materials and the liquid raw materials is mixed in the mixer, and the mixed finished product materials are conveyed into the transition hopper above the brick making metering machine through the lightering trolley.

Fourth step: metering and weighing: and conveying the mixed materials in the transition hopper to a brick making metering machine for weighing through a chute.

Fifth step: and (3) brick making: and finally, feeding the weighed materials into brick making machines of different models to make bricks.

The beneficial effects of the invention are as follows:

(1) The invention can realize a whole set of automatic processes of automatic feeding treatment, automatic batching, automatic mixing, automatic weighing and metering and automatic brick making of granule materials, powder materials, graphite and fine powder materials and liquid materials, and realize automatic conveying, batching and dust recovery in the powder industry, the whole working process meets the environmental protection requirement, the environment in a workshop and the operating environment of workers are effectively ensured, and safe production is realized. The invention has the advantages that the granule materials and the powder materials are distributed to any material using point by the conveying trolley after being distributed, the graphite or the fine powder is conveyed to any material using point by the pneumatic conveying system, the liquid raw materials are conveyed to any material using point by the liquid material metering conveying unit, secondary dust emission is not generated in the conveying process, the formula precision is not damaged, the whole system has no residue, the raw materials are not easy to mix when being replaced, all the materials are conveyed in the closed pipeline, the leakage is not caused, the environment-friendly high requirement is met, the formula has no error, the whole process does not need manual participation, the whole system adopts insulating grounding treatment, and the potential safety hazard is avoided. The pipeline is convenient to arrange, and space is effectively utilized. The whole process operation of the invention only needs one person, 2 personnel are saved compared with the prior art, and the workshop environment meets the environmental protection requirement.

(2) The arrangement of the rotary bucket elevator can realize the accuracy of discharging, meanwhile, leakage can be avoided, the discharging efficiency is greatly improved, the structure can be arbitrarily designed to realize multi-point feeding and single-point feeding according to working conditions, even one or more materials can be fed at a time, the hopper can realize horizontal conveying by covering and abutting between the edges of adjacent hoppers, meanwhile, seamless abutting can be realized, and leakage is prevented; the arrangement of the discharging device can realize automatic overturning and resetting of the hopper, so that blanking is accurate, and the conveying line can be designed into a plurality of modes from bottom to top, from top to bottom and the like according to different working conditions, so that different working condition requirements are met.

(3) The arrangement of the brick making metering machine can avoid the layering phenomenon of the materials before brick making, the arrangement of the blanking frame can realize accurate feeding, the condition of multiple feeding is avoided, and the weight of the materials can be precisely metered through the arrangement of the weighing structure, so that the brick making efficiency and quality are improved, and the scrapping condition before brick making is avoided.

(4) The automatic batching and batching rear conveying system for the graphite or fine powder can solve the problems of manual material hanging, batching and feeding in the past, saves manpower and material resources, saves time and labor, and reduces the personnel cost of enterprises. Accurate batching can be realized by utilizing the weighing hopper and the weighing sensor, and the degree of automation is improved.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a schematic diagram of the structure of fig. 1 in the direction B-B.

Fig. 3 is a schematic structural view of fig. 1 in the direction C-C.

Fig. 4 is a schematic structural diagram of fig. 1 in the direction D-D.

FIG. 5 is a schematic view of the structure of FIG. 1 in the A-A direction

Fig. 6 is a schematic view of the structure of fig. 1 in the direction E-E.

Fig. 7 is a schematic structural diagram of fig. 1 in the direction F-F.

Fig. 8 is a schematic diagram of the structure of fig. 2 in the G-G direction.

Fig. 9 is a schematic diagram of the structure of fig. 2 in the H-H direction.

Fig. 10 is a schematic view of the structure of fig. 2 in the J-J direction.

Fig. 11 is a schematic diagram of the structure of fig. 2 in the K-K direction.

Fig. 12 is a schematic view of the structure of fig. 2 in the L-L direction.

Fig. 13 is a schematic structural view of the transfer bucket elevator of the present invention.

Fig. 14 is a schematic structural view of a discharging device in a transfer bucket elevator of the present invention.

Fig. 15 is a schematic diagram of a partial structure of the transfer bucket elevator of the present invention.

Fig. 16 is a schematic view ii of a partial structure of a rotary bucket elevator according to the present invention.

Fig. 17 is a schematic diagram of the overturning of the hopper in the transfer bucket elevator of the present invention.

Fig. 18 is a schematic structural view of another embodiment of the transfer bucket elevator of the present invention.

Fig. 19 is a schematic view of the arrangement of adjacent hoppers in the rotary bucket elevator of the present invention.

Fig. 20 is a block diagram of the hoppers, shafts and bearings in the transfer hopper elevator of the present invention.

Fig. 21 is a schematic front view of a brick machine according to the present invention.

Fig. 22 is a schematic side view of a brick machine according to the present invention.

Fig. 23 is a schematic partial structure of a brick machine according to the present invention.

Fig. 24 is a schematic structural view of an inside stirring shaft of the brick making metering machine in the present invention.

Fig. 25 is a schematic structural view of an internal conveying shaft of the brick making metering machine in the present invention.

Fig. 26 is a schematic structural view of an internal blanking frame of the brick making metering machine.

Fig. 27 is a flow chart of the weighing inside the brick making machine according to the invention.

FIG. 28 is a front view of an automatic batching and post batching delivery system for graphite or fine powder in accordance with the present invention.

Fig. 29 is a side view of fig. 28.

Wherein: 1. a crushed raw material storage bin; 2. a first shut-off valve; 3. a first feeder; 4. a first raw material crusher; 5. a first bucket elevator; 6. a pneumatic three-way reversing valve; 7. a third raw material crusher; 8. a second raw material crusher; 9. a second bucket elevator; 10. a magnetic separator; 11. a vibrating screen; 12. a second shut-off valve; 13. a belt conveyor; 14. a first transition bucket; 15. a rotating bucket elevator; 16. a batching warehouse high level gauge; 17. wear-resistant intermediate discharger; 18. wear-resistant terminal discharger; 19. a dust remover at the top of the bin; 20. a low level gauge for batching storage; 21. a third feeder; 22. double-bucket material distributing vehicle; 23. dust remover with fan; 24. a liquid metering hopper system; 25. a trolley transition bucket; 26. a fourth feeder; 27. a fourth shut-off valve; 28. a mixer; 29. a lightering trolley; 30. a second transition bucket; 31. a chute; 32. a brick weighing machine; 33. a centralized dust collector; 34. a pulse dust collector; 35. a grinding machine; 36. a first pneumatic conveying device; 37. a first brick machine; 38. a second brick making machine; 39. a third brick making machine; 40. a liquid material metering and conveying unit; 41. a feeding forklift; 42. automatic batching and batching post-conveying system for graphite or fine powder; 43. a master control chamber; 196. a granule material batching storage bin; 197. powder batching storage bin; 198. a first bin; 199. a second bin;

101. A first horizontal section housing; 102. a feeding device; 103. a first hopper; 104. an adjustable foot margin; 105. a tensioner; 106. a material collection hopper; 107. a bottom turn section; 108. a conveyor chain; 109. a vertical section housing; 110. a top turn section; 111. a second horizontal section housing; 112. a discharging device; 1121. a discharge rack; 1122. a fastener; 1123. a guide rail fixing clamp plate; 1124. a guide rail; 11241. an inclined plane; 11242. a horizontal plane; 1125. a first cylinder; 1126. a cylinder base plate; 1127. a pressing plate; 1128. a support column; 113. discharging a hopper; 114. a reverse clutch; 115. a driving motor; 116. a guide plate; 117. a rotating shaft; 118. a bearing; 119. a bearing mounting bracket;

321. a bucket assembly; 32101. a forklift hole; 32102. the rod body is provided with a hole; 32103. a movable bottom bar; 32104. a sealing valve; 32105. a blanking port; 322. a charging mechanism; 32201. a conveying mechanism; 322011, a conveying shaft; 322012, teeth; 32202. a stirring mechanism; 322021, helical blades; 322022 and stirring shaft; 323. a weighing mechanism; 32301. a second hopper; 32302. a support plate; 32303. fixing a weighing scale; 32304. a first weighing sensor; 324. a driving mechanism; 325. a frame; 326. a weighing instrument; 327. an electric control box I; 328. a second cylinder; 329. a socket; 3210. a blanking frame; 3211. a blanking hole; 3212. an ejector device; 3213. a top plate; 3214. a connecting rod; 3215. and a receiving tray.

421. A bag opening station platform; 422. a second feeder; 423. a manual gate valve; 424. a bag opening station; 425. unpacking and hanging frame for ton bags; 426. a weighing hopper; 4261. a weighing sensor II; 4262. a vibrator; 427. a second pneumatic conveying device; 428. the weighing hopper is fixed on the frame; 429. a platform ladder; 4210. an electric control box II; 4211. a graphite fine powder dust remover; 4212. an air outlet; 4213. and a third shut-off valve.

Detailed Description

The following describes specific embodiments of the present invention.

As shown in fig. 1, 2 and 3, the automatic magnesia carbon brick conveying and proportioning system according to the present invention comprises a granule crushing unit for granule treatment, a plurality of groups of powder grinding units for powder treatment, an automatic proportioning and proportioning post-conveying system 42 for graphite or fine powder proportioning and a liquid material conveying and metering unit 40 for liquid material treatment, and further comprises a material proportioning unit for proportioning crushed granule and ground powder, a material mixing unit for receiving the material proportioning unit, the automatic proportioning and proportioning post-conveying system 42 for graphite or fine powder and the liquid material conveying and metering unit 40, and a brick beating metering unit for receiving the mixed material, wherein the material proportioning unit, the mixing unit and the brick beating metering unit are arranged from top to bottom, and proportioning cars are uniformly distributed between the material proportioning unit and the mixing unit, and between the mixing unit and the brick beating metering unit.

As shown in fig. 1, 2, 3, 7 and 8, the specific structure of the particle crushing unit is as follows:

including broken raw materials storage storehouse 1, broken raw materials stores the discharge end in storehouse 1 and connects first batcher 3 through first stop valve 2, and first batcher 3 is square pipe type batcher in this embodiment. At the discharge end of the first feeder 3 a first raw material crusher 4 is arranged, which first raw material crusher 4 is a jaw crusher in this embodiment. The discharging end of the first raw material crusher 4 is communicated with the feeding end of the first bucket elevator 5, and a crushed raw material storage bin 1, a first cut-off valve 2, a first feeder 3, the first raw material crusher 4 and the first bucket elevator 5 form a first-stage crushing area of the granular materials for coarse crushing the granular materials; the discharge end of the first bucket elevator 5 is connected with a plurality of first bins 198 through a pneumatic three-way reversing valve 6, wherein the discharge port of one first bin 198 is sent into a group of second bins 199 through a first feeder 3, a third raw material crusher 7, a second bucket elevator 9, a magnetic separator 10 and a vibrating screen 11, the third raw material crusher 7 in the embodiment is a twin-roll crusher, the discharge port of the other first bin 198 is sent into the other group of second bins 199 through the first feeder 3, a second raw material crusher 8, a second bucket elevator 9, the magnetic separator 10 and the vibrating screen 11, the second raw material crusher 8 in the embodiment is a cone crusher, the discharge ends of each group of second storage bins 199 are all sent into a rotary bucket elevator 15 through a second cut-off valve 12, a belt conveyor 13, a first transition bucket 14 and a first feeder 3, a second raw material crusher 8, a third raw material crusher 7, a second bucket elevator 9 and the first feeder 3 form a secondary crushing zone of the granular materials for secondarily crushing the granular materials, the secondarily crushed granular material finished products are completely screened by a vibrating screen 11 according to different specifications and then returned to the second raw material crusher 8 through a pipeline for re-crushing, the secondarily crushed materials are respectively stored in the two groups of second storage bins 199 after being processed by the magnetic separator 10 and the vibrating screen 11, and each group of second storage bins 199 in the embodiment are all provided with 3 storage bins (the storage bins can be increased or reduced according to different production conditions).

As shown in fig. 5, the specific structure of the powder pulverizing unit is as follows: the device comprises a mill 35, wherein the discharge end of the mill 35 is connected with a first air conveying device 36, a pulse dust collector 34 is also connected to the first air conveying device 36, in this embodiment, two sets of mills 35 (a plurality of sets can be added according to the actual production process) are adopted, and the first air conveying device 36 is communicated with a powder batching warehouse 197.

The material batching unit has the following specific structure:

the granule batching system comprises at least one group of granule batching storage bins 196, each granule batching storage bin 196 is respectively communicated with the discharge port of the rotary bucket elevator 15, and the discharge end of each granule batching storage bin 196 is respectively connected with the third feeder 21 through the second cut-off valve 12

As shown in fig. 1 and 12, the powder batching system comprises a group of powder batching bins 197, and the discharging ends of the powder batching bins 197 are respectively connected with a fourth feeder 26 through fourth cut-off valves 27;

in this embodiment there are 16 total particulate ingredient bins 196. In this embodiment, there are 6 powder ingredient bins 197 (the granule ingredient bins 196 and the powder ingredient bins 197 may be increased or decreased according to actual production conditions). If the external particles are manually lifted to a bag opening station, the external particles are conveyed to a corresponding particle batching storage bin 196 of a batching area through a chain bucket elevator. The granule materials are fed to the double-hopper proportioning car 22 through the second shut-off valve 12 and the third feeder 21 at the lower discharge end of the granule material proportioning bin 196 of the present embodiment, and similarly, the powder materials proportioned in the powder material proportioning bin 197 are fed to the double-hopper proportioning car 22 through the fourth shut-off valve 27 and the fourth feeder 26.

The tops of each of the granule ingredient storage 196 and the powder ingredient storage 197 are also respectively provided with an ingredient storage high level gauge 16, so as to prevent the condition of overfilling of the storage. The ingredient storage low level gauge 20 is also arranged at the bottom of the granule ingredient storage 196 and the powder ingredient storage 197, so that the storage is always kept, and empty storage is prevented.

As shown in fig. 13 to 20, the number of the discharge ports of the first bucket elevator 5, the second bucket elevator 9 and the rotary bucket elevator 15 is different, the internal structures of the first bucket elevator 5 and the second bucket elevator 9 are the same, and the specific structure of the rotary bucket elevator 15 is as follows:

as shown in fig. 13, at least one horizontal section of casing and one vertical section of casing 109 are spliced to form a casing assembly, a feeding device 102 is arranged on one section of horizontal section of casing, a driving motor 115 is arranged at one end inside the casing assembly, the output end of the driving motor 115 is connected with a conveying chain 108 through a backstop clutch 114, and a first hopper 103 is arranged on the conveying chain 108 to realize cyclic reciprocation; a steering mechanism for reversing the hopper is arranged at the joint of the horizontal section shell and the vertical section shell 109; a discharge hopper 113 for discharging is arranged on at least one section of the horizontal section of the shell, and a discharging device 112 for discharging and overturning resetting the hopper is also arranged inside the discharge hopper 113 on the horizontal section of the shell. In this embodiment, as shown in fig. 13, a housing assembly is formed by a first horizontal housing 101, a vertical housing 109 and a second horizontal housing 111, and adjustable feet 104 are disposed on the first horizontal housing 101, the second horizontal housing 111 or the vertical housing 109.

A tensioner 105 is also mounted on the conveyor chain 108 at the other end of the housing assembly interior; a material collection hopper 106 is also disposed on at least one of the horizontal sections for receiving the leaked material and being removable.

As shown in fig. 14, the specific structure of the discharge device 112 is as follows:

the device comprises a discharge frame 1121 fixedly connected with the outer side of a horizontal section of a shell, a plurality of support columns 1128 are arranged on the discharge frame 1121, each support column 1128 is connected with a pressing plate 1127, the surface of the pressing plate 1127 is connected with a cylinder base plate 1126, a first cylinder 1125 is arranged on the cylinder base plate 1126, the output end of the first cylinder 1125 is connected with a guide rail 1124, and two sides of the guide rail 1124 are fixedly connected with guide rail fixing clamping plates 1123 through fasteners 1122 respectively.

As shown in fig. 15 and 16, a plurality of inclined surfaces 11241 and a single horizontal surface 11242 are provided on the surface of the guide rail 1124 for turning over and resetting the hopper after contact, and the inclined surfaces 11241 are symmetrically arranged about the horizontal surface 11242.

As shown in fig. 19 and 20, guide plates 116 are arranged on both sides of the inner wall of the housing assembly, the guide plates 116 are arranged along the axes of the horizontal section housing and the vertical section housing 109, a rotary shaft 117 is respectively matched with both sides of each discharge hopper 113, each rotary shaft 117 is matched with a bearing mounting bracket 119, one end of each bearing mounting bracket 119 is provided with a bearing 118, the other end is connected with the conveying chain 108, and the outer peripheral surface of each bearing 118 is contacted with the guide plate 116; between two hoppers 103 arranged adjacently, the edge 1302 of one hopper 103 covers and abuts against the edge 1302 of the other hopper 103.

As shown in fig. 1, 2, 3, 11 and 12, the specific structure of the material mixing unit is as follows:

the automatic batching and post-batching conveying system comprises a mixer 28 connected with a liquid weighing hopper system 24, a graphite or fine powder automatic batching and post-batching conveying system 42 and a trolley transition hopper 25, wherein a dust remover 23 with a fan is arranged on the mixer 28; as shown in fig. 9, the number of mixers 28 in this embodiment is 5.

As shown in fig. 28 and 29, the automatic batching and post batching conveying system 42 for graphite or fine powder has the following specific structure:

the bag opening station platform 421 is arranged on the ground, the electric cabinet II 4210 is arranged on the bag opening station platform 421, at least one bag opening station 424 is also arranged on the bag opening station platform 421, a graphite fine powder dust remover 4211 and an air outlet 4212 are arranged at the top of the bag opening station 424, a discharge hole of the bag opening station 424 is communicated with a feed hole of each second feeder 422, and a third cut-off valve 4213 is also arranged at the discharge hole of each second feeder 422; the discharge gate of second batcher 422 is linked together with the feeding department of weighing hopper 426, and a plurality of first weighing sensor second 4261 that are used for weighing of peripheral equipartition along the weighing hopper 426, and the discharge end of weighing hopper 426 is linked together with the import of second pneumatic conveyor 427.

A second manual gate valve 423 is also arranged at the connection part of the discharge port of the bag opening station 424 and the feed port of the second feeder 422; the weighing hopper 426 is fixed to a weighing hopper fixing frame 428; a ton bag unpacking hanger 425 for hanging a ton bag and releasing a crane is also arranged on one side of each bag opening station 424 and on one side of the bag opening station platform 421.

A vibrator 4262 for emptying the hopper is also arranged on the weighing hopper 426; a platform ladder 429 for operator maintenance is also mounted on one side of the bag opening station platform 421.

A transfer trolley 29 is arranged at the outlet of the mixer 28, and the transfer trolley 29 conveys the mixed materials of the mixer 28 to a second transition hopper 30 on a brick weighing machine 32.

As shown in fig. 1, 2, 3, 10, 11 and 12, the concrete structure of the brick weighing unit is as follows:

comprising brick weighing machines 32, each brick weighing machine 32 being connected by a chute 31 to a second transition hopper 30 for receiving material carried by a transfer trolley 29.

As shown in fig. 21 to 27, the brick molding machine 32 has the following specific structure:

consists of a hopper body assembly 321 for carrying or loading materials, a feeding mechanism 322 for stirring and mixing and a weighing mechanism 323 for calculating the weight of the materials; the hopper body component 321 is positioned at a feed inlet of the feeding mechanism 322, the feeding mechanism 322 is connected with an output end of the driving mechanism 324 through a transmission mechanism, the weighing mechanism 323 is arranged on the frame 325, and the feeding device electric cabinet I327 with a PLC controller is also arranged on the frame 325; an ejector 3212 for opening the inlet of the bucket assembly 321 is also disposed on the frame 325 above the inlet of the charging mechanism 322. A sealing mechanism for sealing the blanking port 32105 is arranged in the hopper body;

The specific structure of the charging mechanism 322 is as follows:

comprises a stirring mechanism 32202 and a plurality of conveying mechanisms 32201;

as shown in fig. 25, the stirring mechanism 32202 includes a stirring shaft 322022, a spiral blade 322021 is arranged along the outer periphery of the stirring shaft 322022, and the blade diameter of the spiral blade 322021 increases gradually along the head of the stirring shaft 322022 toward the tail of the stirring shaft 322022;

as shown in fig. 24, the specific structure of the conveyance mechanism 32201 is as follows:

comprises a conveying shaft 322011, and a plurality of radially arranged convex teeth 322012 are arranged along the periphery of the conveying shaft 322011; the adjacent convex teeth 322012 are arranged oppositely to form an eight shape;

the weighing mechanism 323 includes a weighing instrument 326, a second hopper 32301, and a fixed weighing scale 32303, the weighing instrument 326 is mounted on the frame 325, the second hopper 32301 is disposed on the surface of the fixed weighing scale 32303, the fixed weighing scale 32303 is connected to a lifting mechanism located on the frame 325 through a support plate 32302, and a first weighing sensor 32304 is further mounted on the support plate 32302.

The sealing mechanism comprises a movable bottom rod 32103 arranged in a rod body opening 32102 in the hopper body, and one end of the movable bottom rod 32103 extending out of the rod body opening 32102 is connected with a sealing valve 32104; the sealing valve 32104 is of a conical structure with gradually increasing volume from top to bottom, and the bottom area of the conical structure is matched with the blanking port 32105; the hopper body is also provided with a plurality of forklift holes 32101 for lifting the hopper body by a forklift; a receiving tray 3215 for preventing material leakage is also arranged on the rack 325 below the fixed weighing scale 32303, and the receiving tray 3215 and the fixed weighing scale 32303 are arranged in parallel; a second feeding cylinder 328 is further arranged below the discharge hole of the feeding mechanism 322 and on the frame 325, the piston end of the second feeding cylinder 328 is connected with a blanking frame 3210 through a sleeve member 329, the blanking frame 3210 is an arc plate body with a semicircular longitudinal section, and a plurality of blanking holes 3211 for accurate blanking are formed in the surface of the arc plate body.

As shown in fig. 3, a row of brick molding systems, which are a plurality of first brick molding machines 37, a plurality of second brick molding machines 38 and a plurality of third brick molding machines 39, are arranged on one side near the brick molding metering machine 32, and the types of the brick molding machines are different, and the amounts of the brick molding machines can be processed are also different.

As shown in fig. 5, the automatic batching and post batching conveying system 42 of the granule crushing unit, the powder grinding unit, the graphite or fine powder, and the material batching unit are all connected with the centralized dust collector 33 for centralized dust collection treatment through air pipes.

The process for automatically conveying and batching the magnesia carbon bricks by using the magnesia carbon brick automatic conveying and batching system comprises the following steps:

the first step: feeding granular materials, powder materials, graphite or fine powder materials and liquid materials (tar, resin, water and the like);

the granule raw material feeding process is as follows: as shown in fig. 1, 2, 3, 11 and 12, a feeding forklift 41 firstly sends a large block of granular raw material into a crushed raw material storage bin 1, a first cut-off valve 2 is manually operated to open, the large block of granular raw material is sent into a first raw material crusher 4 through a first feeder 3 to be coarsely crushed, a part of coarsely crushed granular raw material is conveyed into one group of first storage bins 198 through a first bucket elevator 5 and a pneumatic three-way reversing valve 6, then crushed through a third raw material crusher 7 and enters a second bucket elevator 9 to be lifted, a second cut-off valve 12 is opened, and the coarse crushed granular raw material is conveyed to a belt conveyor 13 through a magnetic separator 10 and a vibrating screen 11.

The other part of the coarse broken particles are conveyed to another group of first storage bins 198 through a pneumatic three-way reversing valve 6, as shown in fig. 3, the group of particles are processed by a second raw material crusher 8, then enter a second bucket elevator 9 for lifting, after a second cutoff valve 12 is opened, the particles are conveyed into a belt conveyor 13 through a magnetic separator 10 and a vibrating screen 11, the particles on the belt conveyor 13 uniformly enter a first transition bucket 14, finally are conveyed into a rotating bucket elevator 15 through another first feeder 3, and are lifted into each particle batching storage bin through the rotating bucket elevator 15, the discharging bucket 113 of the rotating bucket elevator 15 is not limited to a single one or a plurality of particles, and the shape and the discharging port of each chain bucket elevator can be increased or decreased according to production conditions.

As shown in fig. 13 to 20, the specific operation of the first bucket elevator 5, the second bucket elevator 9, and the rotary bucket elevator 15 is as follows:

the first hopper 103 moves to the discharge hole of the feeding device 102 through the conveying chain 108, the feeding device 102 uniformly feeds, the first hopper 103 always keeps balance and cannot leak materials due to the gravity of the materials, the first hopper 103 moves from the conveying chain 108 along the arrow direction of fig. 1 and passes through the bottom turning section 107 and the top turning section 110, when the first hopper 113 passes through the discharging device 112, the first cylinder 1125 in the discharging device 112 is started, the piston rod of the first cylinder 1125 drives the guide rail 1124 to stretch out, as shown in fig. 17, when the front end two sides of the first hopper 103 are contacted with one inclined surface 11241 of the guide rail 1124 during running, as the two ends of the first hopper 103 are contacted with the guide plate 116 through the rotating shaft 117 and the bearing 118, the first hopper 103 is turned over after being blocked by the rotating shaft 117 serving as an axle center, when the first hopper 103 is turned over to 180 DEG after passing through the inclined surface 11241 and the horizontal surface 11242 for the first time, the first hopper 103 is completely discharged through the discharging hopper 113, and when the first hopper 103 passes through the inclined surface 11241 again 180 DEG and returns to the initial state, and then the first hopper 103 passes through the conveying chain 108 again and repeats.

As shown in fig. 5, the powder raw material feeding process is as follows: the powder raw materials are fed into a powder ingredient warehouse 197 through a first air conveying device 36, a wear-resistant middle discharger 17 and a wear-resistant terminal discharger 18 after being ground by a grinding machine 35, and the powder ingredient warehouse 197 is dedusted through a warehouse top deduster 19.

As shown in fig. 11, 12, 28 and 29, the feeding process of the graphite or fine powder raw material is as follows: firstly, the ton bag is lifted to the top of the bag opening station 424 by a crane, and is suspended on the ton bag unpacking hanger 425 after the bag is opened, dust is removed by the graphite fine powder dust remover 4211 in the bag opening and blanking process, and is discharged through the air outlet 4212. Liquid raw materials: the liquid material is heated and stirred by the heating and stirring tank in the liquid material conveying and metering unit 40, and the liquid material in this embodiment can be tar, resin and other liquid raw materials, and the heating and stirring tank has a heating function and a heat-preserving function, and all the liquid raw materials after being processed are conveyed to the liquid metering hopper system 24 for standby through a pipeline.

And a second step of: and (3) batching: the granular materials in the granular material batching bin 196 are batched through the third feeder 21 and the double-bucket batching car 22 according to the production process;

Powder in the powder batching bin 197 is batched by the fourth feeder 26 and the double-bucket batching car 22; the granular materials and the powder materials enter the double-bucket proportioning car 22, and the double-bucket proportioning car 22 moves to the upper part of the mixer 28;

the graphite or fine powder raw material enters the inside of a metering hopper 426 through a second feeder 422, then a signal is fed back to an electric cabinet II 4210 with a PLC (programmable logic controller) through a first weighing sensor II 4261, and the PLC gives out an instruction to control the feeding amount of the second feeder 422 and the opening and closing of a third cut-off valve 4213; the weighing data are displayed and fed back by an external instrument desk until all materials in the same formula process enter a weighing hopper 426 according to the requirement of a production formula after accurate weighing and metering, and enter a second pneumatic conveying device 427 in a gathering way, and are conveyed to a graphite transition bin by the second pneumatic conveying device 427.

Liquid raw materials are conveyed into the liquid metering hopper system 24 by the liquid conveying metering unit 40;

and a third step of: mixing: the granule and powder in the double-bucket proportioning car 22 are sent into the mixer 28 through the trolley transition bucket 25, the graphite or fine powder raw materials in the graphite transition bin enter the mixer 28 through a pipeline, any one or more of the liquid raw materials (tar, resin, water and the like) in the liquid metering bucket system 24 are delivered to the mixer 28 according to the production process requirements and the required quantity, and the raw material or raw materials are mixed in the mixer 28.

Fourth step: metering and weighing: the materials mixed in the third step are sent into a second transition hopper 30 through a lightering trolley 29, and the materials mixed in the second transition hopper 30 are conveyed to a brick weighing machine 32 for weighing through a chute 31, wherein the specific weighing process is as follows:

as shown in fig. 21 to 27, the bucket body assembly 321 is disassembled by a forklift hole 32101 and a forklift, the sealing valve 32104 is driven by the action of gravity to move downwards and block the blanking port 32105, the bucket body assembly 321 is arranged right above the ejection device 3212 after discharging according to requirements in the bucket body, the ejection device 3212 comprises a top plate 3213 and connecting rods 3214 connected with the top plate 3213, the top plate 3213 is contacted with the sealing valve 32104, the sealing valve 32104 is continuously and upwards ejected by the top plate 3213 along with the continuous lower part of the bucket body, materials enter the feeding mechanism 322 from gaps between every two adjacent connecting rods 3214 through the blanking port 32105, the stirring shaft 322022 is driven to rotate by the driving mechanism 324 and the driving mechanism, the stirring shaft 322022 is meshed with the conveying shaft 322011 through a gear, the rotation direction of the stirring shaft 322022 is opposite to that of the conveying shaft 322011, the material with specific gravity is stirred by the aid of a convex tooth 322012 on the conveying shaft 322011 and a spiral blade 322021 on the stirring shaft 32252 on the conveying shaft 32125 after sinking, the material is continuously and upwards stirred by the top plate 3213, the material is fed from the gap between adjacent connecting rods 3214 and enters the feeding mechanism 322 through the blanking port 3210, the feeding mechanism through the blanking port, the feeding mechanism is accurately and the feeding mechanism is driven by the piston frame to the two stirring mechanism, and the material is distributed on the two feeding mechanism to the two feeding mechanism side of the piston frames, and the piston frame side of the material feeding mechanism is accurately and the material feeding frame is accurately distributed through the piston frame side and has a material feeding mechanism, and is stretched through the material feeding mechanism, and has a material feeding mechanism, and material feeding mechanism is well. As shown in fig. 27, the falling material falls into the hopper 301 of the fixed weight scale 32303, the first weighing sensor 32304 of the fixed weight scale 32303 transmits data to the PLC controller, and the actuator responds to and controls the feeding device to stop running, and the weighing meter 326 displays the weight in real time for the operator to check.

Fifth step: and (3) brick making: the hopper 301 is taken out by an operator and put into the first or second or third brick making machine 37 or 38 or 39 for making bricks according to the production process.

If all raw materials in the invention are not required to be treated by the method, the finished products are purchased directly, the powder and the granule can be directly conveyed to the storage bin by the corresponding conveying equipment in the patent specification, and the conveying equipment and the conveying form are not limited to the conditions described in the specification and the batching structure and the batching mode are not limited to the conditions in the invention under the condition that the technological principle is unchanged. The whole production process instruction is controlled by a master control room 43, equipment automatically runs according to a program, the master control room 43 also supports the functions of recording, storing and printing production reports, alarming and recording faults of the equipment, modifying and establishing a formula and the like, the formula exists in a code form, secret leakage is prevented, and in addition, the operation level can be divided according to the authority, so that the confidentiality is improved; because the whole production process is unmanned to patrol, in order to ensure production safety, operators are required to know the condition of equipment in time in an operation room, and shooting and acquisition are carried out under necessary working conditions, so that production and safety are achieved.

The above description is illustrative of the invention and not limiting, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure of the invention.

Claims

1. A production line for magnesia carbon brick products, which is characterized in that: the automatic proportioning and proportioning system comprises a particle material crushing unit for particle material treatment, a plurality of groups of powder grinding units for powder material treatment, an automatic proportioning and proportioning post-conveying system for graphite or fine powder, a liquid material metering and conveying unit (40) for liquid material treatment, a material proportioning unit for proportioning the crushed particle material and the ground powder, a material mixing unit for receiving the material proportioning unit, the automatic proportioning and proportioning post-conveying system for the graphite or fine powder, and the liquid material metering and conveying unit (40), and a brick beating metering unit for receiving the mixed material, wherein the material proportioning unit, the mixing unit and the brick beating metering unit are arranged from top to bottom, and proportioning cars are uniformly distributed between the material proportioning unit and the mixing unit and between the mixing unit and the brick beating metering unit;

the specific structure of the particle crushing unit is as follows:

The crushing and feeding device comprises a crushing and feeding raw material storage bin (1), wherein the discharging end of the crushing and feeding raw material storage bin (1) is connected with a first feeder (3) through a first cut-off valve (2), a first raw material crusher (4) is arranged at the discharging end of the first feeder (3), the discharging end of the first raw material crusher (4) is communicated with the feeding end of a first bucket elevator (5), and the crushing and feeding raw material storage bin (1), the first cut-off valve (2), the first feeder (3), the first raw material crusher (4) and the first bucket elevator (5) form a coarse crushing area for particles; the method comprises the steps that the discharge end of a first bucket elevator (5) is connected with a plurality of first storage bins (198) through a pneumatic three-way reversing valve (6), the discharge end of one first storage bin (198) is sent into a group of second storage bins (199) through a first feeder (3), a third raw material crusher (7), a second bucket elevator (9), a magnetic separator (10) and a vibrating screen (11), the discharge end of the other first storage bin (198) is sent into another group of second storage bins (199) through the first feeder (3), a second raw material crusher (8), the second bucket elevator (9), the magnetic separator (10) and a vibrating screen (11), and the discharge end of each group of second storage bins (199) is sent into the rotary bucket elevator (15) through a second disconnecting valve (12), a belt conveyor (13), a first transition bucket (14) and the first feeder (3), and the second raw material crusher (8), the second raw material crusher (7), the second bucket elevator (9) and the first feeder (3) form a secondary particle crushing zone for crushing particles;

The material batching unit has the following specific structure:

comprises a plurality of groups of particle batching systems for receiving crushed particles and a powder batching system for receiving ground powder;

the granular material batching system comprises at least one group of granular material batching storage bins (196), each granular material batching storage bin (196) is respectively communicated with a discharge port of the rotary bucket elevator (15), and the discharge ends of each granular material batching storage bin (196) are respectively connected with a third feeder (21) through a second cut-off valve (12);

the powder batching system comprises a group of powder batching storage bins (197), and the discharge ends of the powder batching storage bins (197) are respectively connected with a fourth feeder (26) through fourth shut-off valves (27);

the concrete structure of the material mixing unit is as follows:

the automatic batching and post-batching conveying system comprises a mixer (28) connected with a liquid weighing hopper system (24), an automatic batching and post-batching conveying system (42) for graphite or fine powder and a trolley transition hopper (25), wherein a dust remover (23) with a fan is arranged on the mixer (28);

the concrete structure of the brick beating metering unit is as follows:

comprises brick beating metering machines (32), wherein each brick beating metering machine (32) is connected with a second transition hopper (30) for receiving materials carried by a lightering trolley (29) through a chute (31);

The number of discharge holes of the first bucket elevator (5), the second bucket elevator (9) and the rotating bucket elevator (15) is different, and the specific structure of the rotating bucket elevator (15) is as follows:

at least one section of horizontal section of shell and one section of vertical section of shell (109) are spliced to form a shell assembly, a feeding device (102) is arranged on one section of horizontal section of shell, a driving motor (115) is arranged at one end inside the shell assembly, the output end of the driving motor (115) is connected with a conveying chain (108) through a backstop clutch (114), and a hopper I (103) is arranged on the conveying chain (108) to realize cyclic reciprocation; a steering mechanism for reversing the hopper is arranged at the joint of the horizontal section shell and the vertical section shell (109); a discharge hopper (113) for discharging is arranged on at least one section of horizontal section of shell, and a discharging device (112) for discharging and overturning resetting the hopper is also arranged inside the discharge hopper (113) on the horizontal section of shell;

the specific structure of the discharging device (112) is as follows:

including unloading frame (1121) with horizontal segment casing outside rigid coupling set up a plurality of support columns (1128) on unloading frame (1121), each support column (1128) all are connected with clamp plate (1127) the surface connection cylinder bed board (1126) of clamp plate (1127) arrange cylinder one (1125) on cylinder bed board (1126), guide rail (1124) are connected to the output of cylinder one (1125) the both sides of guide rail (1124) are respectively through fastener (1122) rigid coupling guide rail fixed splint (1123).

2. A production line for magnesia carbon brick products as claimed in claim 1, wherein: the concrete structure of the powder grinding unit is as follows: the device comprises a mill (35), wherein the discharge end of the mill (35) is connected with a first air conveying device (36), and the first air conveying device (36) is also connected with the discharge port of the pulse dust collector (34).

3. A production line for magnesia carbon brick products as claimed in claim 1, wherein: the automatic batching and batching rear conveying system of the granular material crushing unit, the powder grinding unit and the graphite or fine powder and the material batching unit are connected with a centralized dust remover (33) for centralized dust removal treatment through air pipes.

4. A production line for magnesia carbon brick products as claimed in claim 1, wherein: a tensioner (105) is arranged at the end of the non-driving end of the shell assembly for adjusting the tightness of the chain; a detachable material collection hopper (106) for receiving the leaked material is also arranged on at least one horizontal section of the shell.

5. A production line for magnesia carbon brick products as claimed in claim 1, wherein: a plurality of inclined planes (11241) and a single horizontal plane (11242) are respectively arranged on the surface of the guide rail (1124) for overturning and resetting after the hopper contacts, and the inclined planes (11241) are symmetrically arranged by taking the horizontal plane (11242) as the center.

6. A production line for magnesia carbon brick products as claimed in claim 1, wherein: guide plates (116) are arranged on two sides of the inner wall of the shell assembly, the guide plates (116) are arranged along the axes of the horizontal-section shell and the vertical-section shell (109), two sides of each hopper (113) are respectively matched with a rotating shaft (117), each rotating shaft (117) is matched with a bearing mounting bracket (119), one end of each bearing mounting bracket (119) is provided with a bearing (118), the other end of each bearing mounting bracket is connected with a conveying chain (108), and the outer peripheral surface of each bearing (118) is contacted with the guide plate (116); between two hoppers (103) arranged adjacently, the edge (1302) of one hopper (103) covers and abuts against the edge (1302) of the other hopper (103).

7. A production line for magnesia carbon brick products as claimed in claim 1, wherein: the automatic batching and post batching conveying system (42) of the graphite or the fine powder has the following specific structure:

the automatic bag opening machine comprises a bag opening station platform (421) arranged on the ground, an electric cabinet II (4210) is arranged on the bag opening station platform (421), at least one bag opening station (424) is further arranged on the bag opening station platform (421), a graphite fine powder dust remover (4211) and an air outlet (4212) are arranged at the top of the bag opening station (424), a discharge hole of the bag opening station (424) is communicated with a feed hole of a second feeder (422), and a second cut-off valve (12) is further arranged at the discharge hole of each second feeder (422); the discharge gate of second batcher (422) is linked together with the feeding department of weighing hopper (426), follows a plurality of weighing sensor second (4261) that are used for weighing of periphery equipartition of weighing hopper (426), the discharge end of weighing hopper (426) is linked together with the import of second pneumatic conveyor (427).

8. A production line for magnesia carbon brick products as claimed in claim 7 wherein: a manual gate valve (423) is further arranged at the connection part of the discharge port of the bag opening station (424) and the feed port of the second feeder (422); the weighing hopper (426) is fixed on a weighing hopper fixing rack (428); a ton bag unpacking hanger (425) for hanging a ton bag and releasing a crane is further arranged on one side of each bag opening station (424) and one side of the bag opening station platform (421); a vibrator (4262) for emptying the hopper is also arranged on the weighing hopper (426); one side of the bag opening station platform (421) is also provided with a platform ladder stand (429) for overhauling operators.

9. A production line for magnesia carbon brick products as claimed in claim 1, wherein: the concrete structure of the brick making metering machine (32) is as follows:

the device consists of a hopper body assembly (321) for carrying or loading materials, a feeding mechanism (322) for stirring and mixing and a weighing mechanism (323) for calculating the weight of the materials; the hopper body assembly (321) is positioned at a feed inlet of the feeding mechanism (322), the feeding mechanism (322) is connected with the output end of the driving mechanism (324) through a transmission mechanism, the weighing mechanism (323) is arranged on the frame (325), and an electric cabinet I (327) with a PLC controller is also arranged on the frame (325); an ejector device (3212) for opening the feed inlet of the bucket body assembly (321) is also arranged above the feed inlet of the feeding mechanism (322) and on the rack (325);

The specific structure of the bucket body assembly (321) is as follows:

comprises a hopper body with a blanking port (32105), and a sealing mechanism for sealing the blanking port (32105) is arranged in the hopper body;

the specific structure of the feeding mechanism (322) is as follows:

comprises a stirring mechanism (32202) and a plurality of conveying mechanisms (32201);

the stirring mechanism (32202) comprises a stirring shaft (322022), a spiral blade (322021) is arranged along the periphery of the stirring shaft (322022), and the blade diameter of the spiral blade (322021) increases gradually along the head part of the stirring shaft (322022) towards the tail part of the stirring shaft (322022);

the conveying mechanism (32201) has the following specific structure:

comprises a conveying shaft (322011), and a plurality of radially arranged convex teeth (322012) are arranged along the periphery of the conveying shaft (322011); the adjacent convex teeth (322012) are arranged oppositely to form an eight shape;

the weighing mechanism (323) comprises a weighing instrument (326), a second hopper (32301) and a fixed weighing scale (32303), wherein the weighing instrument (326) is arranged on a frame (325), the second hopper (32301) is arranged on the surface of the fixed weighing scale (32303), the fixed weighing scale (32303) is connected with a lifting mechanism arranged on the frame (325) through a supporting plate (32302), and a first weighing sensor (32304) is further arranged on the supporting plate (32302).

10. A production line for magnesia carbon brick products as claimed in claim 9, wherein: the sealing mechanism comprises a movable bottom rod (32103) arranged in a rod body opening (32102) in the hopper body, and one end of the movable bottom rod (32103) extending out of the rod body opening (32102) is connected with a sealing valve (32104); the sealing valve (32104) is of a conical structure with gradually increasing volume from top to bottom, and the bottom area of the conical structure is matched with the blanking port (32105); a plurality of forklift holes (32101) for forklift to lift the hopper body are also formed in the hopper body; a receiving tray (3215) for preventing material leakage is further arranged on the rack (325) below the fixed weighing scale (32303), and the receiving tray (3215) and the fixed weighing scale (32303) are arranged in parallel; an air cylinder (328) is further arranged below the discharge hole of the feeding mechanism (322) on the frame (325), the piston end of the air cylinder (328) is connected with a blanking frame (3210) through a sleeve joint piece (329), the blanking frame (3210) is an arc-shaped plate body with a semicircular longitudinal section, and a plurality of blanking holes (3211) for accurate blanking are formed in the surface of the arc-shaped plate body.

11. The process for automatically conveying and batching magnesia carbon bricks by using the production line of magnesia carbon brick products as claimed in claim 1 comprises the following steps:

The first step: feeding a granular material raw material, a powder material raw material, graphite and a fine powder material raw material and a liquid material raw material;

the raw materials of the granule materials are as follows: the feeding forklift is used for feeding the large-block granular material into a crushed material storage bin, the crushed material storage bin is used for feeding the large-block granular material into a first raw material crusher to be coarsely crushed, a part of coarsely crushed granular materials are conveyed into one group of first storage bins through a first bucket elevator and a pneumatic three-way reversing valve, and then are lifted by a second bucket elevator after being crushed by a third raw material crusher and conveyed to a belt conveyor through a magnetic separator, a vibrating screen and a second cutting valve; the other part of the coarse broken particles are conveyed to the other group of first storage bins through a pneumatic three-way reversing valve, then enter a second raw material crusher and are lifted by the other second bucket elevator, and finally are conveyed to a belt conveyor through a magnetic separator and a multi-layer vibrating screen, and all the particles on the belt conveyor are conveyed to all the particle material batching storage bins through a transition bucket and a rotating bucket elevator;

and a second step of: and (3) batching:

and a third step of: mixing: the double-bucket proportioning car is used for conveying the granular materials and the powder materials into the mixer through the trolley transition hopper, graphite or fine powder raw materials in the graphite transition hopper enter the mixer through a pipeline, any one or more of liquid raw materials in the liquid metering hopper system are delivered to the mixer according to the required quantity and technological requirements, the combination of any one or more of the granular materials, the powder materials, the graphite or fine powder raw materials and the liquid raw materials is mixed in the mixer, and the mixed finished product materials are conveyed into the transition hopper above the brick making metering machine through the lightering trolley;

Fourth step: metering and weighing: the mixed materials in the transition hopper are conveyed to a brick making metering machine for weighing through a chute;