Distributing system of chain grate

Abstract

The invention belongs to the field of chain grates, and particularly relates to a chain grate material distribution system which comprises a disc pelletizer, a head telescopic type sealing-tape machine, a large ball roller screen, a Ruleaux triangular tooth roller crusher, a wide belt, a roller type material distribution machine, a crushed ball material sliding groove, a small ball material sliding groove and a chain grate. Finished green pellets are poured to the tail of the head telescopic adhesive tape machine, a traction trolley is arranged at the head of the head telescopic adhesive tape machine, so that an adhesive tape can freely stretch out and draw back, the large ball roller screen and the head telescopic adhesive tape machine are vertically arranged, and the head of the large ball roller screen is inserted below a door-shaped frame at the head of the head telescopic adhesive tape machine in a penetrating mode. By coordinating the speed between the adhesive tape and the traction trolley, one-way material distribution is achieved when the adhesive tape stretches out and draws back, a new-form material distribution system is adopted, the equipment integration degree is high, layout is reasonable and compact, the number of times and fall of green pellet transferring are reduced, damage to green pellets is avoided, the percent of pass of the green pellets is increased, and material distribution is more uniform.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chain grate machine, and particularly relates to a chain grate machine distribution system. BACKGROUND

[0002] The chain grate machine is a kind of belt heat equipment, and its core function is to gradually dry, preheat and partially oxidize / solidify the green ball (small ball containing moisture, which is made of iron ore concentrate powder and binder) so as to obtain sufficient mechanical strength (become "dry ball" or "preheated ball") to withstand high temperature tumbling and sintering in the subsequent rotary kiln without breaking or pulverization. In the chain grate-rotary kiln pellet production process, the distribution system function is to screen the reasonable green ball in particle size and convey it to the chain grate machine system, and to recover the unqualified small ball and the scattered material after the large ball is crushed and convey it to the balling room to participate in balling again.

[0003] At present, most of the pellet plants adopt traditional distribution equipment such as swing belt, large ball roller screen, wide belt, small ball roller screen, chute, transfer belt, large ball crusher and return belt, however, the combination and connection of these equipment often have the following disadvantages: large space occupation, many times of transfer, influence on green ball quality, unsatisfactory distribution effect and high cost. SUMMARY

[0004] The present application aims at solving the defects in the background art, and provides a chain grate machine distribution system.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: A chain grate cloth system, including a disc pelletizer, a head telescopic belt conveyor, a large ball roller screen, a Reuleaux triangle tooth roller crusher, a wide belt, a roller cloth machine, a broken ball chute, a small ball chute and a chain grate, the disc pelletizer is installed above the tail of the head telescopic belt conveyor, and the finished green ball is poured into the tail of the head telescopic belt conveyor, the head of the head telescopic belt conveyor is provided with a traction trolley, so that the belt can freely stretch and shrink, the large ball roller screen is arranged vertically with the head telescopic belt conveyor, the head of the large ball roller screen is inserted below the head of the head telescopic belt conveyor, and the speed between the belt and the traction trolley is coordinated to realize one-way distribution when the belt stretches and shrinks, so that the head telescopic belt conveyor realizes continuous and uniform distribution for the large ball roller screen, the tail of the large ball roller screen is connected with the Reuleaux triangle tooth roller crusher, the tail of the large ball roller screen is inclined downward, and the unqualified large balls on the screen of the large ball roller screen are directly fed to the Reuleaux triangle tooth roller crusher for crushing operation, the broken ball chute is arranged below the Reuleaux triangle tooth roller crusher, the broken balls are poured to the return belt after passing through the broken ball chute, the wide belt is located directly below the large ball roller screen, the wide belt is arranged in parallel and in the same direction with the large ball roller screen, the green balls below the screen of the large ball roller screen are poured to the wide belt, the wide belt is connected with the roller cloth machine at the tail, the material is connected, the roller cloth machine is arranged in the opposite direction and in the same direction, the small ball chute is arranged below the roller cloth machine, the small balls below the screen of the roller cloth machine are poured to the return belt after passing through the small ball chute, the return belt transports the broken balls and the small balls to the ball making room to participate in ball making again, the roller cloth machine is connected with the chain grate at the tail, and the qualified green balls above the screen of the roller cloth machine are transported to the chain grate.

[0006] Preferably, the Reuleaux triangle tooth roller crusher comprises a shell, two crushing rollers are arranged in the shell, two sliding grooves are arranged on the two sides of the shell, two adjusting seats are slidably arranged in the two sliding grooves, rotating shafts are rotatably arranged on the four adjusting seats, and the four rotating shafts are fixedly connected with the two ends of the two crushing rollers.

[0007] Preferably, horizontal plates are fixedly arranged on the two sides of the shell, moving grooves are arranged on the bottoms of the two horizontal plates, two adjusting blocks are slidably arranged in the two moving grooves, and the bottoms of the four adjusting blocks are fixedly connected with the tops of the four adjusting seats.

[0008] Preferably, transmission rods are rotatably arranged in the two moving grooves, two sections of external threads are arranged on the outer sides of the two transmission rods, the thread directions of the two sections of external threads on the same transmission rod are opposite, and the transmission rods are threadedly connected with the two adjusting blocks through the two sections of external threads.

[0009] Preferably, one end of the two transmission rods is fixedly installed with a chain wheel, the same chain is engaged on the two chain wheels, the outer side of the shell is fixedly installed with a fixed plate, one side of the fixed plate is fixedly installed with a bearing plate, one side of the bearing plate is fixedly installed with a first motor, and the output shaft of the first motor is fixedly connected with one end of one transmission rod.

[0010] Preferably, two supporting plates are fixedly installed on one side of the shell, rotating grooves are formed in one side of the two supporting plates, rotating blocks are rotatably installed in the two rotating grooves, and one end of the two rotating blocks is fixedly installed with the same rectangular rod.

[0011] Preferably, two installation blocks are fixedly installed on one side of the two adjusting seats on the same side, the same worm is rotatably installed on the two installation blocks on the same adjusting seat, the worm is engaged with a worm wheel, and the two worm wheels are fixedly sleeved on the outer sides of the two rotating shafts.

[0012] Preferably, rectangular sliding holes are formed in the two worms, the outer side of the rectangular rod is in sliding contact with the inner wall of the rectangular sliding hole, one side of one of the two supporting plates is fixedly installed with a second motor, and one end of the second motor is fixedly connected with one rotating block.

[0013] Preferably, a top cover is installed on the top of the shell, and a discharging hole is formed in the top cover.

[0014] In the application, the chain grate machine material distribution system has the following advantages: The device is integrated and compact: the disc balling machine, the head telescopic belt conveyor, the large ball roller screen, the Reuleaux triangular toothed roller crusher, the wide belt, and the roller distributor are integrated in one system, the device layout is optimized, the floor area is reduced, the overall device cost is reduced, and maintenance and management are facilitated.

[0015] The number of green ball transfer and the drop difference are reduced: the vertical arrangement of the head telescopic belt conveyor and the large ball roller screen and the direct connection of the wide belt and the roller distributor reduce the number of green ball transfer and the drop difference in the conveying process, effectively avoid the damage of green balls caused by collision and falling, and improve the integrity and quality of green balls.

[0016] The qualified rate of green balls and the material uniformity are improved: through the double screening of the large ball roller screen and the roller distributor, unqualified large balls and small balls are separated and returned to the balling chamber for reuse, and only qualified green balls enter the chain grate machine, thereby improving the qualified rate of green balls.

[0017] Adjustable crusher, strong adaptability: the Reuleaux triangle tooth roller crusher adopts an adjustable crushing roller design. Through the motor drive transmission rod and worm and worm gear mechanism, the gap between the two crushing rollers is easily adjusted to adapt to the crushing requirements of different particle size materials, improve the crushing efficiency and flexibility, and reduce energy consumption and maintenance cost.

[0018] High degree of automation, easy to operate: the system adopts motor drive and chain transmission automatic control mode, realizes the automatic adjustment of the crusher gap and the crushing process, reduces the manual intervention, improves the production stability and reliability, and reduces the labor intensity.

[0019] Return material utilization, resource saving: unqualified green balls (large balls after crushing and small balls) are collected through the broken ball chute and small ball chute, and are sent back to the ball making room by the return belt to participate in ball making again, realizing the recycling of materials, reducing waste, reducing production cost, and meeting the green production concept. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structure diagram of a chain and apron machine feeding system is proposed for the invention; Figure 2 A left view of a chain and apron machine feeding system is proposed for the invention; Figure 3 A structure diagram of a Reuleaux triangle tooth roller crusher of a chain and apron machine feeding system is proposed for the invention from a first perspective; Figure 4 A structure diagram of a Reuleaux triangle tooth roller crusher of a chain and apron machine feeding system is proposed for the invention from a second perspective; Figure 5 A structure diagram of a chain and apron machine feeding system is proposed for the invention; Figure 3 A structure diagram after removing the top cover; Figure 6 A structure diagram of a Reuleaux triangle tooth roller crusher of a chain and apron machine feeding system is proposed for the invention from a third perspective; Figure 7 A structure diagram of a chain and apron machine feeding system is proposed for the invention; Figure 3 An enlarged structure diagram of part A of the chain and apron machine feeding system is proposed for the invention; Figure 8 A structure diagram of a chain and apron machine feeding system is proposed for the invention; Figure 5 An enlarged structure diagram of part B of the chain and apron machine feeding system is proposed for the invention; Figure 9 A structure diagram of a chain and apron machine feeding system is proposed for the invention; Figure 6 An enlarged structure diagram of part C of the chain and apron machine feeding system is proposed for the invention; Figure 10A structure diagram of a cross plate of a chain and grating machine distribution system is provided.

[0021] In the figure: 1, disc balling machine; 2, head telescopic belt conveyor; 3, large ball roller screen; 4, Reuleaux triangle toothed roller crusher; 5, wide belt; 6, roller distributor; 7, broken ball chute; 8, small ball chute; 9, chain and grating machine; 10, chain wheel; 11, chain; 12, fixed plate; 13, bearing plate; 14, first motor; 15, support plate; 16, rotating block; 17, rotating groove; 18, rectangular rod; 19, mounting block; 20, worm; 21, rectangular sliding hole; 22, worm gear; 23, shell; 24, crushing roller; 25, slide; 26, adjusting seat; 27, rotating shaft; 28, cross plate; 29, moving groove; 30, adjusting block; 31, transmission rod; 32, conveying pipe; 33, lubricating oil tank; 34, oil supplementing port; 35, oil injection hole; 36, second motor; 37, top cover; 38, discharging hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0023] Embodiment one Reference Figures 1-10The chain and grating material distribution system comprises a disc pelletizer 1, a head telescopic belt conveyor 2, a large ball roller screen 3, a Reuleaux triangle tooth roller crusher 4, a wide belt 5, a roller distributor 6, a broken ball chute 7, a small ball chute 8 and a chain and grating 9.

[0024] Specifically, the disc pelletizer 1 pours finished green balls to the tail of the head telescopic belt conveyor 2, the head telescopic belt conveyor 2 realizes one-way distribution during telescoping, continuously and uniformly distributes the material to the large ball roller screen 3, the unqualified large balls on the screen of the large ball roller screen 3 are directly fed to the Reuleaux triangle tooth roller crusher 4 for crushing operation, the broken balls are poured to the return belt after passing through the broken ball chute 7, the green balls under the screen of the large ball roller screen 3 are poured to the wide belt 5, the wide belt 5 transfers the material to the roller distributor 6, the small balls under the screen of the roller distributor 6 are poured to the return belt after passing through the small ball chute 8, the return belt transports the broken balls and the small balls to the pelletizing chamber to participate in pelletizing again, and the qualified green balls on the screen of the roller distributor 6 are transported to the chain and grating 9.

[0025] In this embodiment, the Reuleaux triangle toothed roll crusher 4 comprises a shell 23, two crushing rollers 24 are arranged in the shell 23, two sliding channels 25 are arranged on the two sides of the shell 23, two adjusting seats 26 are slidingly installed in the two sliding channels 25, four rotating shafts 27 are rotatably installed on the four adjusting seats 26, the four rotating shafts 27 are fixedly connected with the two ends of the two crushing rollers 24 respectively, two cross plates 28 are fixedly installed on the two sides of the shell 23, a moving groove 29 is arranged on the bottom of each cross plate 28, two adjusting blocks 30 are slidingly installed in the two moving grooves 29, the bottoms of the four adjusting blocks 30 are fixedly connected with the tops of the four adjusting seats 26 respectively, a transmission rod 31 is rotatably installed in each moving groove 29, two sections of external threads are arranged on the outer sides of the two transmission rods 31, the thread directions of the two sections of external threads on the same transmission rod 31 are opposite, the transmission rod 31 is threadedly connected with the two adjusting blocks 30 through the two sections of external threads, a sprocket 10 is fixedly installed at one end of each transmission rod 31, the same chain 11 is meshed with the two sprockets 10, a fixed plate 12 is fixedly installed on the outer side of the shell 23, a bearing plate 13 is fixedly installed on one side of the fixed plate 12, a first motor 14 is fixedly installed on one side of the bearing plate 13, the output shaft of the first motor 14 is fixedly connected with one end of one transmission rod 31, two support plates 15 are fixedly installed on one side of the shell 23, a rotating groove 17 is arranged on one side of each support plate 15, a rotating block 16 is rotatably installed in each rotating groove 17, the same rectangular rod 18 is fixedly installed at one end of the two rotating blocks 16, two mounting blocks 19 are fixedly installed on one side of each adjusting seat 26, the same worm 20 is rotatably installed on the two mounting blocks 19 on the same adjusting seat 26, the worm 20 is meshed with the worm gear 22, the two worm gears 22 are fixedly sleeved on the outer sides of the two rotating shafts 27, the two worms 20 are symmetrically arranged, the two worm gears 22 are symmetrically arranged, a rectangular sliding hole 21 is arranged on each worm 20, the outer side of the rectangular rod 18 slidingly contacts with the inner wall of the rectangular sliding hole 21, a second motor 36 is fixedly installed on one side of one of the two support plates 15, one end of the second motor 36 is fixedly connected with one rotating block 16, a top cover 37 is installed on the top of the shell 23, a discharging hole 38 is arranged on the top cover 37.

[0026] Specific, by the first motor 14 drive a transmission rod 31 rotation, through the chain wheel 10 and the chain 11 transmission, so that two transmission rod 31 synchronous rotation, two transmission rod 31 are provided with two sections of external thread, the direction of rotation of the external thread is opposite, so that the two adjusting block 30 on the same horizontal plate 28 on the opposite direction of movement, four adjusting block 30 drive four adjusting seat 26 movement, four adjusting seat 26 drive four rotating shaft 27 movement, in turn to adjust the gap between the two crushing roller 24, adapt to different granularity of the crushing demand, adjusting seat 26 will drive the worm 20 on the rectangular rod 18 sliding, through the second motor 36 drive rotating block 16 rotation, rotating block 16 drive rectangular rod 18 rotation, rectangular rod 18 drive two worm 20 rotation, two worm 26 drive two worm gear 22 rotation, because the worm 26, worm gear 22 symmetrical arrangement, two worm gear 22 opposite rotation, in turn drive two rotating shaft 27 rotation, two rotating shaft 27 drive two crushing roller 24 rotation, the material crushing.

[0027] Example two A chain grate machine cloth system, including disc pelletizer 1, head telescopic belt conveyor 2, big ball roller screen 3, Reuleaux triangle toothed roll crusher 4, wide belt 5, roller feeder 6, broken ball chute 7, small ball chute 8, chain grate 9, disc pelletizer 1 is installed on the head of the telescopic belt conveyor 2 tail, the upper part of the finished green ball is poured to the head of the telescopic belt conveyor 2 tail, the head of the telescopic belt conveyor 2 is provided with a traction trolley, so that the belt can freely extend and retract, the big ball roller screen 3 is arranged vertically with the head telescopic belt conveyor 2, the head of the big ball roller screen 3 is inserted below the head of the telescopic belt conveyor 2 head department frame, the speed between the belt and the traction trolley is coordinated to realize one-way material distribution when the belt extends and retracts, so as to realize continuous and uniform material distribution of the big ball roller screen 3 by the head telescopic belt conveyor 2, the tail of the big ball roller screen 3 is connected with the Reuleaux triangle toothed roll crusher 4, the tail of the big ball roller screen 3 is downwardly inclined, the unqualified big balls on the screen of the big ball roller screen 3 are directly fed to the Reuleaux triangle toothed roll crusher 4 for crushing operation, the broken ball chute 7 is arranged below the Reuleaux triangle toothed roll crusher 4, the broken ball is poured to the return belt after passing through the broken ball chute 7, the wide belt 5 is located directly below the big ball roller screen 3, the wide belt 5 is arranged in parallel and same direction with the big ball roller screen 3, the green ball below the screen of the big ball roller screen 3 is poured to the wide belt 5, the wide belt 5 is connected with the roller feeder 6 at the head and tail, and the material is transferred, the roller feeder 6 is reversely inclined and arranged in same direction, the small ball chute 8 is arranged below the roller feeder 6, the small ball below the screen of the roller feeder 6 is poured to the return belt after passing through the small ball chute 8, the return belt transports the broken ball and the small ball to the ball making room to participate in ball making again, the roller feeder 6 is connected with the chain grate 9 at the head and tail, and the qualified green ball above the screen of the roller feeder 6 is transported to the chain grate 9.

[0028] Specifically, the disc balling machine 1 pours finished green balls to the tail of the head telescopic belt conveyor 2, the head telescopic belt conveyor 2 is telescopic and one-way material distribution, which continuously and uniformly distributes materials to the large ball roller screen 3, the unqualified large balls on the screen of the large ball roller screen 3 are directly fed to the Reuleaux triangle toothed roller crusher 4 for crushing operation, the crushed balls are poured to the return belt after passing through the crushed ball chute 7, the green balls under the screen of the large ball roller screen 3 are poured to the wide belt 5, the wide belt 5 transfers the materials to the roller distributor 6, the small balls under the screen of the roller distributor 6 are poured to the return belt after passing through the small ball chute 8, the return belt transports the crushed balls and the small balls to the balling room to participate in balling again, and the qualified green balls on the screen of the roller distributor 6 are transported to the chain grating machine 9. Thus, the application connects the balling room and the chain grating machine room to distribute the green balls, uniformly distributes the qualified green balls to the chain grating machine system, and returns the unqualified green balls to the balling link, the application adopts a new form of material distribution system, the equipment has high integration degree, the layout is reasonable and compact, the number of green ball transfer and the drop are reduced, the damage to the green balls is avoided, the qualified rate of the green balls is improved, and the material distribution is more uniform.

[0029] In this embodiment, the Reuleaux triangle toothed roll crusher 4 comprises a shell 23, two crushing rollers 24 are arranged in the shell 23, two sliding channels 25 are arranged on the two sides of the shell 23, two adjusting seats 26 are slidingly installed in the two sliding channels 25, a rotating shaft 27 is rotatably installed on each of the four adjusting seats 26, the four rotating shafts 27 are fixedly connected with the two ends of the two crushing rollers 24 respectively, two cross plates 28 are fixedly installed on the two sides of the shell 23, a moving groove 29 is arranged on the bottom of each of the two cross plates 28, two adjusting blocks 30 are slidingly installed in each of the two moving grooves 29, the bottoms of the four adjusting blocks 30 are fixedly connected with the tops of the four adjusting seats 26 respectively, a transmission rod 31 is rotatably installed in each of the two moving grooves 29, two sections of external threads are arranged on the outer sides of the two transmission rods 31, the thread directions of the two sections of external threads arranged on the same transmission rod 31 are opposite, the transmission rod 31 is threadedly connected with the two adjusting blocks 30 through the two sections of external threads, a sprocket 10 is fixedly installed at one end of each of the two transmission rods 31, the same chain 11 is meshed with the two sprockets 10, a fixed plate 12 is fixedly installed on the outer side of the shell 23, a bearing plate 13 is fixedly installed on one side of the fixed plate 12, a first motor 14 is fixedly installed on one side of the bearing plate 13, the output shaft of the first motor 14 is fixedly connected with one end of one of the transmission rods 31, two support plates 15 are fixedly installed on one side of the shell 23, a rotating groove 17 is arranged on one side of each of the two support plates 15, a rotating block 16 is rotatably installed in each of the two rotating grooves 17, the same rectangular rod 18 is fixedly installed at one end of the two rotating blocks 16, two mounting blocks 19 are fixedly installed on one side of each of the two adjusting seats 26, the same worm 20 is rotatably installed on the two mounting blocks 19 arranged on the same adjusting seat 26, the worm 20 is meshed with the worm gear 22, the two worm gears 22 are fixedly sleeved on the outer sides of the two rotating shafts 27 respectively, the two worms 20 are symmetrically arranged, the two worm gears 22 are symmetrically arranged, a rectangular sliding hole 21 is arranged on each of the two worms 20, the outer side of the rectangular rod 18 slidingly contacts with the inner wall of the rectangular sliding hole 21, a second motor 36 is fixedly installed on one side of one of the two support plates 15, one end of the second motor 36 is fixedly connected with one of the rotating blocks 16, a top cover 37 is installed on the top of the shell 23, a discharging hole 38 is arranged on the top cover 37.

[0030] The top of the two horizontal plates 28 is fixedly communicated with a plurality of conveying pipes 32, the conveying pipes 32 are fixedly communicated with lubricating oil tanks 33, the top of the lubricating oil tank 33 is provided with a lubricating oil supplementing opening 34, the conveying pipes 32 are provided with electromagnetic valves, the two horizontal plates 28 are provided with cavities, the conveying pipes 32 are fixedly communicated with the cavities, a plurality of oil injection holes 35 are arranged on the inner wall of the bottom of the cavity, one transmission rod 31 is driven to rotate by the first motor 14, the transmission rod 31 is driven to rotate synchronously by the chain wheel 10 and the chain 11, two sections of external threads with opposite rotation directions are arranged on the two transmission rods 31, so that the two adjusting blocks 30 on the same horizontal plate 28 move in opposite directions, the four adjusting blocks 30 drive the four adjusting seats 26 to move, the four adjusting seats 26 drive the four rotating shafts 27 to move, and then the gap between the two crushing rollers 24 is adjusted to adapt to the crushing requirements of different particle sizes, when the adjusting seat 26 moves, the worm 20 slides on the rectangular rod 18, the rotating block 16 is driven to rotate by the second motor 36, the rectangular rod 18 is driven to rotate by the rotating block 16, the two worms 20 are driven to rotate by the rectangular rod 18, the two worms 26 are driven to rotate by the two worms 20, the two worms 26 are symmetrically arranged, the two worms 22 rotate towards each other, and then the two rotating shafts 27 are driven to rotate, the two rotating shafts 27 drive the two crushing rollers 24 to rotate, and the material is crushed, when the gap between the two crushing rollers 24 is adjusted, the electromagnetic valve is opened, the lubricating oil in the lubricating oil tank 33 enters the cavity from the conveying pipe 32, and finally drops on the transmission rod 31 from the plurality of oil injection holes 35, and is lubricated.

[0031] The rest is the same as example one.

[0032] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A chain and flight conveyor system, characterized in that, The device comprises a disc balling machine (1), a head telescopic belt conveyor (2), a large ball roller screen (3), a Reuleaux triangle tooth roller crusher (4), a wide belt (5), a roller distributor (6), a small ball chute (7), a small ball chute (8), a chain grating machine (9), the disc balling machine (1) is installed above the tail of the head telescopic belt conveyor (2), the finished green ball is poured into the tail of the head telescopic belt conveyor (2), the head of the head telescopic belt conveyor (2) is provided with a traction trolley, so that the belt can freely stretch and shrink, the large ball roller screen (3) is arranged vertically with the head telescopic belt conveyor (2), the head of the large ball roller screen (3) is inserted below the head of the head telescopic belt conveyor (2), the speed between the belt and the traction trolley is coordinated to realize one-way distribution when the belt stretches and shrinks, so that the head telescopic belt conveyor (2) realizes continuous and uniform distribution for the large ball roller screen (3), the tail of the large ball roller screen (3) is connected with the Reuleaux triangle tooth roller crusher (4), the tail of the large ball roller screen (3) is inclined downward, the unqualified large balls on the screen of the large ball roller screen (3) are directly fed to the Reuleaux triangle tooth roller crusher (4) for crushing operation, the lower side of the Reuleaux triangle tooth roller crusher (4) is provided with the small ball chute (7), the small ball is poured to the return belt after passing through the small ball chute (7), the wide belt (5) is located directly below the large ball roller screen (3), the wide belt (5) is arranged in parallel and in the same direction with the large ball roller screen (3), the green ball below the screen of the large ball roller screen (3) is poured to the wide belt (5), the wide belt (5) is connected with the roller distributor (6) at the tail and the head, the material is transferred, the roller distributor (6) is arranged in the opposite direction and in the same direction, the lower side of the roller distributor (6) is provided with the small ball chute (8), the small ball below the screen of the roller distributor (6) is poured to the return belt after passing through the small ball chute (8), the return belt transports the two bulk materials of the small ball and the green ball to the balling room to participate in balling again, the roller distributor (6) is connected with the chain grating machine (9) at the tail and the head, the qualified green ball above the screen of the roller distributor (6) is transported to the chain grating machine (9).

2. A chain and flight conveyor system as claimed in claim 1, wherein, The Reuleaux triangle tooth roller crusher (4) comprises an outer shell (23), two crushing rollers (24) are arranged in the outer shell (23), two sliding channels (25) are formed in the two sides of the outer shell (23), two adjusting seats (26) are slidably arranged in the two sliding channels (25), rotating shafts (27) are rotatably arranged on the four adjusting seats (26), and the four rotating shafts (27) are fixedly connected with the two ends of the two crushing rollers (24).

3. A chain and flight conveyor system as claimed in claim 2, wherein, Two horizontal plates (28) are fixedly arranged on the two sides of the outer shell (23), a moving groove (29) is formed in the bottom of each horizontal plate (28), two adjusting blocks (30) are slidably arranged in the two moving grooves (29), and the bottoms of the four adjusting blocks (30) are fixedly connected with the tops of the four adjusting seats (26).

4. A chain and flight conveyor system as claimed in claim 3, wherein, Two moving grooves (29) are rotatably installed with transmission rods (31), the outer sides of the two transmission rods (31) are provided with two sections of external threads, the thread rotation directions of the two sections of external threads on the same transmission rod (31) are opposite, and the transmission rod (31) is in threaded connection with two adjusting blocks (30) through the two sections of external threads.

5. A chain and flight conveyor system as claimed in claim 4, wherein, One end of each of the two transmission rods (31) is fixedly installed with a chain wheel (10), the same chain (11) is engaged on the two chain wheels (10), the outer side of the shell (23) is fixedly installed with a fixed plate (12), one side of the fixed plate (12) is fixedly installed with a bearing plate (13), one side of the bearing plate (13) is fixedly installed with a first motor (14), and one end of the output shaft of the first motor (14) is fixedly connected with one end of the transmission rod (31).

6. A chain and flight conveyor system as claimed in claim 5, wherein, One side of the shell (23) is fixedly installed with two supporting plates (15), the two supporting plates (15) are rotatably installed with rotating blocks (16), and one end of the two rotating blocks (16) is fixedly installed with the same rectangular rod (18).

7. A chain and flight conveyor system as claimed in claim 6, wherein, One side of each of the two adjusting seats (26) is fixedly installed with two mounting blocks (19), the same worm (20) is rotatably installed on the two mounting blocks (19) on the same adjusting seat (26), the worm (20) is engaged with the worm gear (22), the two worm gears (22) are fixedly sleeved on the outer sides of the two rotating shafts (27), the two worms (20) are symmetrically arranged, and the two worm gears (22) are symmetrically arranged.

8. A chain and flight conveyor system as claimed in claim 7, wherein, The two worms (20) are rotatably installed with the rectangular rod (18), one side of one of the two supporting plates (15) is fixedly installed with a second motor (36), and one end of the second motor (36) is fixedly connected with one of the rotating blocks (16).

9. A chain and flight conveyor system as claimed in claim 8, wherein, The top of the shell (23) is provided with a top cover (37), and the top cover (37) is provided with a discharging hole (38).

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