CN111003512A

CN111003512A - Whole pneumatic feeding system

Info

Publication number: CN111003512A
Application number: CN201911282707.5A
Authority: CN
Inventors: 黄晋; 邹斌; 徐进瑜
Original assignee: Wuxi Cultivation Machinery Co ltd
Current assignee: Wuxi Cultivation Machinery Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-04-14

Abstract

The invention relates to a whole pneumatic feeding system, which comprises a plurality of parallel main storage bins, wherein a single main storage bin is connected to a temporary storage bin through a conveying device, the bottom of the temporary storage bin is connected with a gas-material mixing chamber, and the gas-material mixing chamber is connected to a plurality of material distribution towers through conveying pipelines; a remote feeding mechanism is arranged on the main material bin, and a worker operates the remote feeding mechanism to directly feed the feed in the feed tank car to the main material bin outside the isolation enclosing wall; a weighing module is arranged on the main storage bin or the temporary storage bin; a relay device is also arranged on the conveying pipeline; the pneumatic feed distributing device realizes the smooth conveying of the feed from the main material bin to the temporary storage bin and then to the feed distributing tower through pneumatic force, the pneumatic feed distributing device and the feed distributing tower are uniformly mixed during the conveying, and the relay device effectively assists in long-distance feeding; the off-site single person unloading operation is synchronously realized, and the isolation of a field area is realized; the automatic conveying system has the advantages of realizing the automation of whole-field conveying, greatly improving the working efficiency, along with low cost and good effect, and is suitable for large-scale fields.

Description

Whole pneumatic feeding system

Technical Field

The invention relates to the technical field of field feed conveying, in particular to a whole field pneumatic feeding system.

Background

With the scale and systematization of farms, the culture quantity is more and more intensive, the unit occupied area is small, and therefore the requirements on epidemic prevention, risk resistance and the like are higher and higher. The feed is used as the most basic supply and the most consumption of the farm, the transportation and the feeding of the feed are more and more important, and the feed not only needs to be effectively fed to each breeding point in time, but also needs to be in accordance with the higher and higher standard requirements of the farm.

In the prior art, after the feed is transported to a factory area by a tank truck, in order to meet epidemic prevention requirements of the farm, the tank truck needs to be driven into a disinfection area to carry out vehicle body disinfection, then the feed is transported to each breeding point to be put in, or the feed is transported and put in by a transfer vehicle in the farm, so that not only is a large amount of time consumed, but also the cost investment is high, but also real isolation cannot be guaranteed, and great potential safety hazards still exist under the conditions that the vehicle body disinfection is not thorough, or the transfer vehicle frequently enters and exits inside the farm, and is not cleaned in place.

On the other hand, with the large-scale amplification of the farm, the labor intensity is higher and higher only by feeding materials manually, the working efficiency of manual operation is low, and the large-scale farm cannot meet the requirements of a large-scale farm.

Disclosure of Invention

The applicant aims at the defects in the prior art and provides a whole pneumatic feeding system with a reasonable structure, so that the effective conveying of the feed in a large-scale area is realized, the working efficiency is greatly improved, the cost is low, the single-person and isolated operation of the unloading of a feed tank truck is realized, and the epidemic prevention requirement of the area is guaranteed.

The technical scheme adopted by the invention is as follows:

a whole pneumatic feeding system comprises a plurality of parallel main storage bins, wherein a single main storage bin is connected to a temporary storage bin through a conveying device, the bottom of the temporary storage bin is connected with a gas-material mixing chamber, and the gas-material mixing chamber is connected to a plurality of distributing towers through conveying pipelines; the main material bin is provided with a remote feeding mechanism so that a feed tank car outside the isolation enclosure wall can conveniently feed the feed into the main material bin; and the main storage bin or the temporary storage bin is provided with a weighing module.

As a further improvement of the above technical solution:

the quantity of main feed bin is three, conveyor is three shaftless auger that sets up side by side, and single main feed bin communicates with each other with three shaftless auger simultaneously through directly linking three.

Three main material bins are installed on two sides of the temporary storage bin, and the main material bins on two sides are connected to the temporary storage bin through conveying devices respectively.

The structure of the main stock bin is as follows: the device comprises a first support frame fixedly mounted on the ground, wherein a bin body is mounted in the first support frame, a bin cover is mounted at an opening at the top of the bin body, a hopper with an inverted cone-shaped structure extends from the lower part of the bin body, and a third direct connection part is mounted below the hopper through a first flexible connection part; a pneumatic oscillator is arranged on the outer wall of the lower part of the hopper close to the opening; and a weighing module is arranged at the joint of the bottom of the support frame and the ground.

The structure of the direct connection III is as follows: the device comprises a hollow frame-shaped body, wherein three small tubes I are arranged at the bottom of the frame-shaped body in parallel, and the frame-shaped body is communicated with each small tube I.

The temporary storage bin has the structure that: the device comprises a second support frame fixedly mounted on the ground, wherein a weighing hopper and a temporary storage hopper are sequentially mounted in the second support frame from top to bottom; a small bracket with an inverted U-shaped structure is arranged at the top of the second support frame, an inclined material discharging box communicated with the conveying device is arranged on the small bracket, and the inclined material discharging box is positioned at the top of the weighing hopper and communicated with the weighing hopper; a weighing module is arranged between the outer part of the side wall of the weighing hopper and the second support frame; the lower part of the weighing hopper is of an inverted conical structure, and a first pneumatic gate valve is arranged at the bottom end of the conical structure; the bottom of the weighing hopper is communicated with the top of the temporary storage hopper through a second flexible connection; the lower part of the temporary storage hopper is also of an inverted conical structure, and a pneumatic gate valve II is arranged below the conical structure; the lower end of the temporary storage hopper is provided with a discharge valve, and the discharge valve uniformly sends materials in the temporary storage hopper into a gas-material mixing chamber below the temporary storage hopper.

The discharge valve is a star-shaped discharge valve, and the discharge valve performs uniform-speed blanking under the control of the frequency converter.

The structure of the inclined discharging box is as follows: the box comprises a box body arranged above a weighing hopper, wherein the box body is of an up-and-down through structure, a grid is bent outwards and extends above the box body, and the grid is covered by an external cover when in use; three small tubes II are arranged on the side wall of the grid in parallel.

The structure of the gas-material mixing chamber is as follows: the three-way valve comprises a three-way body, wherein one opening is communicated with a discharge valve, an air inlet pipe is arranged at one opening, and a discharge pipe is arranged at the other opening; the Roots blower is installed at one end of the air inlet pipe, the other end of the air inlet pipe extends into the tee joint body, and an inclined baffle is installed between the end of the air inlet pipe and the inner wall of the tee joint body.

The structure of remote feeding mechanism is: the winding device comprises a winding wheel positioned on the outer side of an isolation wall, a fixed pulley I is arranged on the outer side wall of the isolation wall positioned below the winding wheel, a fixed pulley II is arranged below the outer side wall of a main material bin positioned on the inner side of the isolation wall, and a triangular block is arranged at the upper part of the side wall of the main material bin; a bin cover is arranged at an opening at the top of the main material bin, and a connecting rod is arranged on the main material bin between the bin cover and the triangular block; the middle part of the connecting rod is hinged with the bin cover, one end of the connecting rod is hinged with the main material bin, and the other end of the connecting rod is hinged with a pull rod; a rope on the winding wheel sequentially passes through the first fixed pulley, the isolation enclosing wall and the second fixed pulley, the end part of the rope is fixedly arranged at one corner of the triangular block, and the other two corners of the triangular block are respectively hinged with the main bin and the pull rod; the vehicle auger on the feed tank car positioned outside the isolation enclosing wall extends to the top of the main storage bin.

Still install relay on the pipeline, relay's structure is: the pipeline supercharger is of a three-way pipe structure, a branch is installed at a third port of the pipeline supercharger through a butterfly valve, a fan is installed at the end of the branch, and a check valve is further installed between the output end of the fan and the branch.

The structure of the pipeline supercharger is as follows: the three-way pipe comprises a through straight-through part and a side pipe, wherein the side pipe is obliquely arranged on the through straight-through part; still including inlaying the orificial straight tube in straight-through portion, the straight tube tip stretches into in the straight-through portion, and the mouth of pipe of side pipe is crossed to this end of straight tube, forms the gap between straight tube outer wall and the straight-through portion inner wall for the wind that flows from the side pipe gets into straight-through portion through this gap.

The conveying pipeline is provided with material distributing towers through branch pipelines, adjacent material distributing towers are communicated through air pipes, and air valves are arranged on single material distributing towers.

A plurality of branch pipelines are installed on the conveying pipeline, and a material distributing tower is installed at the end part of a single branch pipeline through a gas-material separator.

The structure of the gas-material separator is as follows: the improved separator comprises a separator body, a feed inlet communicated with a branch pipeline is installed on the side edge of the separator body, a rain cap is installed at the bottom of the separator body, a connecting piece is installed at the bottom of the separator body through a hoop, a base is installed at the bottom of the connecting piece through an elbow, and the base is fixedly installed at the top of a material distribution tower.

The invention has the following beneficial effects:

the invention has compact and reasonable structure and convenient operation, quickly unloads the feed in the feed tank car outside the field into the main material bin in the field through the remote feeding mechanism, realizes the smooth transmission of the feed from the main material bin to the temporary storage bin and then to each distribution tower through pneumatic transmission, realizes the uniform mixing of gas and feed through the gas-material mixing chamber, and is provided with the relay device to assist the long-distance feeding, thereby realizing the automation of the effective transmission of the feed in the whole field in a large-scale field, greatly improving the working efficiency, having low cost and good effect.

The invention also comprises the following advantages:

when the feed tank car arrives at the outside of the field, a person operates the winding wheel to wind, the rope drags the triangular block to further pull the bin cover to move through the pull rod, so that the bin cover slides away from the opening at the top of the main material bin, the bin cover is opened, the car auger on the feed tank car extends to the opening at the top of the main material bin to unload materials, single-person unloading operation is realized, the feed tank car can unload materials when stopping at the outside of the field, isolation is realized, and the working efficiency is greatly improved;

the upper part and the lower part of the flexible connection I are separated by the flexible connection II, and the separated upper part and the separated lower part are independently supported without influencing the weighing module so as to ensure the weighing accuracy; the inner closing-in connecting pieces are arranged in the first flexible connection piece and the second flexible connection piece, so that the abrasion of the flexible connection caused by the direct contact of materials at the feed opening due to flowing is prevented, and the performance of the flexible connection is guaranteed;

the relay device effectively solves the problem that the farther the distance is, the slower the material beating is, effectively improves the farthest conveying distance of the material beating, meets the material beating requirement of a large-scale field and greatly improves the material beating efficiency of the whole field;

the adjacent material distribution towers are connected through air pipes, the air valve is arranged on a single material distribution tower, and the air pipes and the air valves are matched for use, so that the purposes of pressure relief and dust emission reduction of the material distribution towers are achieved;

the gas-material separator has simple structure and easy installation and maintenance, and also achieves the purpose of reducing dust discharge; especially, when no adjacent material separating tower is arranged near a certain material separating tower and can be used for air pipes to be connected in series for pressure relief and exhaust, or if the adjacent material separating towers are connected by the air pipes and have long pipelines, a gas-material separator is adopted for pipeline pressure relief, and the advantages of the material separating tower are embodied.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a main storage bin according to the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the direct connection of three connectors according to the present invention.

Fig. 4 is a schematic structural diagram of the temporary storage bin according to the second embodiment of the present invention.

Fig. 5 is a partially enlarged view of a portion a in fig. 4.

FIG. 6 is a schematic structural view of the angled material discharging box of the present invention.

Fig. 7 is a schematic structural diagram of the gas-material mixing chamber of the present invention.

Fig. 8 is a schematic structural diagram of the remote feeding mechanism of the present invention.

Fig. 9 is a partially enlarged view of a portion B in fig. 8.

Fig. 10 is a schematic structural view of the relay device of the present invention.

Fig. 11 is a schematic structural view of the pipe supercharger of the present invention.

Fig. 12 is a schematic structural diagram of a dust removing device of a material distributing tower according to the third embodiment of the present invention.

Fig. 13 is a schematic structural view of another dust removing device of the material distributing tower of the present invention (embodiment four).

FIG. 14 is a schematic view of the gas-material separator of the present invention.

Wherein: 1. a feed tanker; 2. a remote feeding mechanism; 3. a Roots blower; 4. a temporary storage bin; 5. a conveying device; 6. a main storage bin; 7. a material distributing tower; 8. a delivery line; 9. a relay device; 10. a weighing module;

21. a winding wheel; 22. isolating the enclosing wall; 23. a rope; 24. a second fixed pulley; 25. a triangular block; 26. a pull rod; 27. a connecting rod; 28. turning a packing auger; 29. a first fixed pulley;

40. discharging the material box obliquely; 41. a small support; 42. a second support frame; 43. a weighing hopper; 44. a first pneumatic gate valve; 45. a second flexible connection; 46. a temporary storage hopper; 47. a pneumatic gate valve II; 48. a discharge valve; 49. a gas-material mixing chamber; 401. a second small tube; 402. a cartridge body; 403. a grid; 491. a tee body; 492. an air inlet pipe; 493. a baffle plate; 494. a discharge pipe;

61. a bin body; 62. a hopper; 63. a first support frame; 64. a pneumatic oscillator; 65. soft connection is carried out; 66. directly connecting the third part and the fourth part; 67. a bin cover; 661. a frame-shaped body; 662. a first small pipe;

71. a branch pipeline; 72. an air valve; 73. an air duct; 74. a gas-material separator; 741. a rain cap; 742. a feed inlet; 743. a separator body; 744. clamping a hoop; 745. a connecting member; 746. a base;

91. a pipeline supercharger; 92. a butterfly valve; 93. a branch circuit; 94. a check valve; 95. a fan; 911. a three-way pipe; 912. a straight pipe; 9111. a straight-through portion; 9112. and a side pipe.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the whole pneumatic feeding system of this embodiment includes a plurality of parallel main material bins 6, a single main material bin 6 is connected to the temporary storage bin 4 through a conveying device 5, the bottom of the temporary storage bin 4 is connected to a gas-material mixing chamber 49, and the gas-material mixing chamber 49 is connected to a plurality of material distribution towers 7 through a conveying pipeline 8; the main material bin 6 is provided with a remote feeding mechanism 2 so that a feed tank car 1 outside the isolation fence 22 can feed the feed into the main material bin 6; the main storage bin 6 or the temporary storage bin 4 is provided with a weighing module 10, and the weighing module 10 is connected with an external weighing instrument to display a specific weighing numerical value.

The number of the main material bins 6 is three, the conveying device 5 comprises three shaftless packing augers which are arranged in parallel, and a single main material bin 6 is simultaneously communicated with the three shaftless packing augers through a direct connection three outlet 66, so that the direct connection three outlets of the feed in the main material bin 6 are realized; make the fodder in each main feed bin 6 get into each shaftless auger uniformly to prevented that the fodder from piling up together, and reduced fodder breakage rate and putty risk, can control the speed of beating simultaneously through the start-up quantity of shaftless auger.

The two sides of the temporary storage bin 4 are respectively provided with three main material bins 6, and the main material bins 6 on the two sides are respectively connected to the temporary storage bin 4 through a conveying device 5; the main storage bin 6 can be arranged around the temporary storage bin 4 according to the actual requirement.

As shown in fig. 2, the main material bin 6 has the following structure: the device comprises a first support frame 63 fixedly mounted on the ground, a bin body 61 is mounted in the first support frame 63, a bin cover 67 is mounted at an opening at the top of the bin body 61, a hopper 62 with an inverted cone-shaped structure extends from the lower part of the bin body 61, a direct connection three outlet 66 is mounted below the hopper 62 through a first flexible connection 65, and the direct connection three outlet 66 is communicated with three shaftless packing augers; the outer wall of the lower part of the hopper 62 close to the opening is provided with a pneumatic oscillator 64, so that the blanking speed in the main material bin 6 is accelerated, and the feed is prevented from being accumulated in the main material bin 6; and a weighing module 10 is installed at the joint of the bottom of the first support frame 63 and the ground, and the actual material beating weight is obtained and determined through the weighing module 10 at the bottom of the main material bin 6.

As shown in fig. 3, the structure of the straight connecting three outlets 66 is: the device comprises a hollow frame body 661, three small pipe sections 662 are arranged at the bottom of the frame body 661 in parallel, the frame body 661 is communicated with each small pipe section 662, and each small pipe section 662 is communicated with a shaftless auger.

As shown in fig. 4 and 5, the temporary storage bin 4 has a structure in which: the device comprises a second support frame 42 fixedly mounted on the ground, wherein a weighing hopper 43 and a temporary storage hopper 46 are sequentially mounted in the second support frame 42 from top to bottom; the top of the second support frame 42 is provided with a small support 41 with an inverted U-shaped structure, the small support 41 is provided with an inclined material discharging box 40 communicated with the conveying device 5, and the inclined material discharging box 40 is positioned at the top of the weighing hopper 43 and communicated with the weighing hopper; a weighing module 10 is arranged between the outer part of the side wall of the weighing hopper 43 and the second support frame 42, and as shown in fig. 5, the actual material beating weight is obtained and determined through the weighing module 10; the lower part of the weighing hopper 43 is of an inverted conical structure, and the bottom end of the conical structure is provided with a first pneumatic gate valve 44; the bottom of the weighing hopper 43 is communicated with the top of the temporary storage hopper 46 through a second flexible connection 45; the lower part of the temporary storage hopper 46 is also of an inverted conical structure, and a pneumatic gate valve II 47 is arranged below the conical structure; the lower end of the temporary storage hopper 46 is provided with a discharge valve 48, and the discharge valve 48 uniformly sends the materials in the temporary storage hopper 46 into a gas-material mixing chamber 49 below; the temporary storage hopper 46 is matched with a material level meter to flexibly control the material beating process.

The arrangement of the first flexible connection 65 and the second flexible connection 45 enables the upper part and the lower part to be separated, and the separated upper part and the separated lower part are independently supported, so that the weighing module 10 is not influenced, and the weighing accuracy is ensured; the first flexible connection part 65 and the second flexible connection part 45 are internally provided with a closing-in connecting piece so as to prevent the abrasion of the flexible connection caused by the direct contact of materials at the feed opening due to flowing, lead the materials to be fed in a centralized manner and ensure the performance of the flexible connection.

The discharge valve 48 is a star-shaped discharge valve, the discharge valve 48 performs uniform-speed blanking under the control of a frequency converter, and most of pressure air in the gas-material mixing chamber 49 is blocked from reversely entering the temporary storage hopper 46.

As shown in fig. 6, the inclined discharging box 40 has the following structure: the box comprises a box body 402 arranged above the weighing hopper 43, wherein the box body 402 is of a vertical through structure, a grid 403 is bent outwards and extends above the box body 402, and the grid 403 is covered by an external cover when in use; three small pipes II 401 are arranged on the side wall of the grid 403 in parallel, and a single small pipe II 401 is communicated with one shaftless packing auger. The inclined discharging box 40 can adjust the feeding angle according to the direction of the shaftless auger, is flexible and convenient, and is convenient, stable and reliable to assemble and labor-saving.

As shown in fig. 7, the gas-material mixing chamber 49 has the following structure: comprises a three-way body 491, one opening of which is communicated with a discharge valve 48, an air inlet pipe 492 is arranged at one opening, and a discharge pipe 494 is arranged at the other opening; the Roots blower 3 is installed at one end of the air inlet pipe 492, the other end of the air inlet pipe 492 extends into the three-way body 491, so that a strong positive-negative pressure difference is formed inside and outside the three-way body 491, feed flowing through the discharge valve 48 quickly enters the air-material mixing chamber 49, an inclined baffle 493 is installed between the end of the air inlet pipe 492 and the inner wall of the three-way body 491, and the existence of the baffle 493 effectively prevents the feed from being accumulated at the dead angle inside the air-material mixing chamber 49; the gas-material mixing chamber 49 is powered by the Roots blower 3, so that the ground gas and the materials are fully mixed and uniformly and quickly delivered into the delivery pipeline 8.

As shown in fig. 8 and 9, the remote feeding mechanism 2 has the following structure: the winding device comprises a winding wheel 21 positioned on the outer side of an isolation fence 22, a fixed pulley I29 is arranged on the outer side wall of the isolation fence 22 positioned below the winding wheel 21, a fixed pulley II 24 is arranged below the outer side wall of a main material bin 6 positioned on the inner side of the isolation fence 22, and a triangular block 25 is arranged on the upper part of the side wall of the main material bin 6; a bin cover 67 is arranged at the opening at the top of the main bin 6, and a connecting rod 27 is arranged on the main bin 6 between the bin cover 67 and the triangular block 25; the middle part of the connecting rod 27 is hinged with the bin cover 67, one end of the connecting rod 27 is hinged with the main material bin 6, and the other end of the connecting rod 27 is hinged with a pull rod 26; a rope 23 on the winding wheel 21 sequentially passes through a first fixed pulley 29, an isolation enclosing wall 22 and a second fixed pulley 24, the end part of the rope 23 is fixedly arranged at one corner of a triangular block 25, and the other two corners of the triangular block 25 are respectively hinged with the main material bin 6 and a pull rod 26; the truck auger 28 on the feed tank truck 1 positioned outside the isolation enclosing wall 22 extends to the top of the main storage bin 6.

When fodder tank car 1 reachs off-site, carry out the spiral by personnel operation take-up reel 21, rope 23 drags triangle 25 and then through pull rod 26, pull rod 26 drags connecting rod 27 and rotates for main feed bin 6, and then the action of pulling cang gai 67, make cang gai 67 slide from 6 open-tops of main feed bin, thereby open cang gai 67, car auger 28 on the fodder tank car 1 extends 6 open-tops of main feed bin and unloads, single operation of unloading has not only been realized, and fodder tank car 1 stops promptly outside-site and unloads promptly, the isolation has been realized, accord with the epidemic prevention requirement in the field, work efficiency also improves greatly.

As shown in fig. 10, the conveying pipeline 8 is further provided with a relay device 9, and the relay device 9 has the following structure: including installing the pipeline booster 91 in pipeline 8, pipeline booster 91 is the three-way pipe structure, and branch road 93 is installed through butterfly valve 92 in the third mouth department of pipeline booster 91, and fan 95 is installed to branch road 93 end, still installs check valve 94 between fan 95's output and the branch road 93.

As shown in fig. 11, the pipe supercharger 91 has the structure: the three-way pipe 911 comprises a through part 9111 and a side pipe 9112, wherein the side pipe 9112 is obliquely arranged on the through part 9111, and a butterfly valve 92 is arranged at the pipe orifice of the side pipe 9112; still including inlaying the straight tube 912 of adorning in straight-through portion 9111 orificium, straight tube 912 tip stretches into in straight-through portion 9111, and the mouth of pipe of side pipe 9112 is crossed to this end of straight tube 912, forms the gap between straight tube 912 outer wall and straight-through portion 9111 inner wall for the wind that flows out from side pipe 9112 gets into straight-through portion 9111 through this gap, and the malleation wind that is carried by relay 9 flows towards the fodder advancing direction from the gap promptly, has reduced the mutual influence between two strands of air intakes, thereby the material beating is more smooth and easy.

The relay device 9 relays the feed conveying in the conveying pipeline 8 through the fan 95, the feed is subjected to positive pressure conveying by the relay device 9 when passing through the pipeline supercharger 91, the conveying efficiency is improved, the problem of low material beating speed caused by long distance is effectively solved, the farthest conveying distance is greatly improved, the material beating requirement of a large-scale field is met, and meanwhile, the material beating efficiency is improved.

As shown in fig. 12, the transfer pipeline 8 is provided with the material distribution towers 7 through branch pipelines 71, adjacent material distribution towers 7 are communicated through air pipes 73, and air valves 72 are arranged on the single material distribution tower 7.

As shown in fig. 13, a plurality of branch pipes 71 are installed on the transfer pipe 8, and the end of a single branch pipe 71 is installed with the knockout tower 7 through the gas-material separator 74.

As shown in fig. 14, the gas-material separator 74 has the following structure: the separator comprises a separator body 743, a feeding hole 742 communicated with a branch pipeline 71 is installed on the side edge of the separator body 743, a rain cap 741 is installed at the bottom of the separator body 743, a connecting piece 745 is installed at the bottom of the separator body 743 through a hoop 744, a base 746 is installed at the bottom of the connecting piece 745 through an elbow, and the base 746 is fixedly installed at the top of a material distribution tower 7.

The gas-material separator 74 is simple in structure and easy to install and maintain, and the purpose of reducing dust discharge is achieved; especially, when there is no adjacent material-dividing tower 7 near a certain material-dividing tower 7 for the air pipe 73 to serially discharge pressure and exhaust air, or if the adjacent material-dividing tower 7 is connected by the air pipe 73 and the pipeline is long, the air-material separator 74 is used for pipeline pressure discharge, which shows its advantages.

The rain cap 741 reduces the air flow of the feed entering the separator body 743 through the feed inlet 742 to form a central ascending air flow, and reduces the discharge of fine dust along with the air flow, thereby reducing the air pollution; the rain hat 741 can also be provided with grids, which can prevent rain and birds from entering; the base 746 is fixedly installed on the top of the material distributing tower 7 and is matched with the connecting piece 745, so that the gas-material separator 74 is always in the same horizontal state with the material distributing tower 7, and the installation stability and the dust removal efficiency of the gas-material separator 74 are further ensured; the elbow is used for guiding the feed to the central axis position of the material distributing tower 7, so that the storage capacity is prevented from being reduced due to the eccentricity of the blanking; the gas-material separator 74 is connected with the connecting piece 745 through a clamping hoop 744, and the disassembly, the assembly and the maintenance are convenient and quick.

The first embodiment is as follows: main storage bin weighing feeding

The weighing module 10 is arranged at the bottom of a first support frame 63 of each main storage bin 6, the weighing module 10 is arranged at the bottom of each main storage bin 6, the temporary storage bin 4 is not provided with the weighing hopper 43 and the weighing module 10, the inclined discharging box 40 is arranged at the top of the temporary storage hopper 46 through the small support 41, and the temporary storage hopper 46 is internally provided with a high level indicator and a low level indicator;

the working principle is as follows:

when the low level indicator senses that no feed exists in the temporary storage hopper 46 and sends a signal, the discharge valve 48 is closed, the shaftless auger starts to work, the feed in the main storage hopper 6 is sent into the temporary storage hopper 46, when the high level indicator senses that the feed in the temporary storage hopper 46 is full and sends a signal, the shaftless auger stops working, the discharge valve 48 is opened, the feed in the temporary storage hopper 46 enters the gas-material mixing chamber 49 and is conveyed into the material distribution tower 7 through the conveying pipeline 8 until the low level indicator sends a no-feed signal, and the material beating process is repeated; the weighing module 10 is used for measuring the feed stock in the main bin 6.

Example two: bucket weigh feed

The weighing module 10 is arranged at the side edge of the weighing hopper 43 in the temporary storage bin 4, the weighing module 10 is not arranged at the bottom of the main material bin 6, and a low material level meter is arranged in the temporary storage hopper 46;

the working principle is as follows:

the shaftless auger works until the weighing hopper 43 is fully measured by the weighing module 10, and the shaftless auger stops working; opening the first pneumatic gate valve 44, enabling all the feed in the weighing hopper 43 to enter the temporary storage hopper 46 through the second flexible connection 45, closing the first pneumatic gate valve 44, and enabling the shaftless auger to work again;

meanwhile, the second pneumatic gate valve 47 and the discharge valve 48 are opened, and the feed in the temporary storage hopper 46 enters the gas-material mixing chamber 49 and is conveyed to the material separating tower 7 through the conveying pipeline 8; and (3) opening the first pneumatic gate valve 44 again until the low level indicator sends a no-material signal and the weighing hopper 43 is full of feed, allowing the feed to enter the temporary storage hopper 46 from the weighing hopper 43, and repeating the beating process.

Example three: air duct dedusting mode in material distribution tower

As shown in fig. 11, the adjacent material distribution towers 7 are communicated through an air pipe 73, and an air valve 72 is arranged on a single material distribution tower 7;

the working principle is as follows:

when one of the material separating towers 7 feeds, the corresponding air valve 72 is closed, and the air valve 72 of the material separating tower 7 communicated with the material separating tower is opened; the pressure air in the feeding material distributing tower 7 is discharged to the outside air through the air valve 72 of the material distributing tower 7 communicated with the pressure air, namely, the pressure of the pipeline is distributed, and most of dust naturally sinks into the communicating material distributing tower 7, so that the purposes of pressure relief and dust emission reduction are achieved.

Example four: dust removal mode of gas-material separator in material distribution tower

As shown in fig. 12, the individual knockout towers 7 are each connected to a branch line 71 through a gas-material separator 74.

The feed in the branch pipe 71 falls into the material distributing tower 7 through the feed inlet 742, the separator body 743, the connecting piece 745, the elbow and the base 746 in sequence.

The pneumatic conveying device realizes the smooth conveying of the feed from the main storage bin to the temporary storage bin and then to each distribution tower through pneumatic conveying, realizes the uniform mixing of gas and the feed through the gas-material mixing chamber, and is provided with the relay device to assist in long-distance feeding, thereby realizing the automation of the effective conveying of the feed in the whole field in a large-scale field and having high working efficiency.

The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.

Claims

1. The utility model provides a whole pneumatic feeding system which characterized in that: the device comprises a plurality of parallel main storage bins (6), wherein a single main storage bin (6) is connected to a temporary storage bin (4) through a conveying device (5), the bottom of the temporary storage bin (4) is connected with a gas-material mixing chamber (49), and the gas-material mixing chamber (49) is connected to a plurality of material distribution towers (7) through a conveying pipeline (8); the main material bin (6) is provided with a remote feeding mechanism (2) so that a feed tank car (1) outside the isolation fence (22) can feed the feed into the main material bin (6); and a weighing module (10) is arranged on the main storage bin (6) or the temporary storage bin (4).

2. The full field pneumatic feed system of claim 1, wherein: the quantity of main feed bin (6) is three, conveyor (5) are three shaftless augers that set up side by side, and single main feed bin (6) communicate with each other with three shaftless augers simultaneously through directly connecting three play (66).

3. The full field pneumatic feed system of claim 1, wherein: three main material bins (6) are installed on two sides of the temporary storage bin (4), and the main material bins (6) on the two sides are connected to the temporary storage bin (4) through the conveying devices (5) respectively.

4. The full field pneumatic feed system of claim 1, wherein: the structure of the main stock bin (6) is as follows: the device comprises a first support frame (63) fixedly mounted on the ground, a bin body (61) is mounted in the first support frame (63), a bin cover (67) is mounted at an opening at the top of the bin body (61), a hopper (62) with an inverted cone structure extends from the lower part of the bin body (61), and a direct connection three outlet (66) is mounted below the hopper (62) through a first flexible connection (65); a pneumatic oscillator (64) is arranged on the outer wall of the lower part of the hopper (62) close to the opening; and a weighing module (10) is arranged at the joint of the bottom of the first support frame (63) and the ground.

5. The entire pneumatic conveying system according to claim 2 or 4, characterized in that: the structure of the direct connection three-outlet (66) is as follows: the device comprises a hollow frame body (661), three small tubes I (662) are mounted at the bottom of the frame body (661) in parallel, and the frame body (661) is communicated with each small tube I (662).

6. The full field pneumatic feed system of claim 1, wherein: the temporary storage bin (4) is structurally characterized in that: the device comprises a second support frame (42) fixedly mounted on the ground, wherein a weighing hopper (43) and a temporary storage hopper (46) are sequentially mounted in the second support frame (42) from top to bottom; a small bracket (41) with an inverted U-shaped structure is mounted at the top of the second support frame (42), an inclined material discharging box (40) communicated with the conveying device (5) is mounted on the small bracket (41), and the inclined material discharging box (40) is positioned at the top of the weighing hopper (43) and communicated with the weighing hopper; a weighing module (10) is arranged between the outer part of the side wall of the weighing hopper (43) and the second support frame (42); the lower part of the weighing hopper (43) is of an inverted conical structure, and a first pneumatic gate valve (44) is arranged at the bottom end of the conical structure; the bottom of the weighing hopper (43) is communicated with the top of the temporary storage hopper (46) through a second flexible connection (45); the lower part of the temporary storage hopper (46) is also of an inverted conical structure, and a pneumatic gate valve II (47) is arranged below the conical structure; the lower end of the temporary storage hopper (46) is provided with a discharge valve (48), and the discharge valve (48) uniformly sends the materials in the temporary storage hopper (46) into a gas-material mixing chamber (49) below.

7. The full field pneumatic feed system of claim 6, wherein: the discharge valve (48) is a star-shaped discharge valve, and the discharge valve (48) performs uniform-speed discharging under the control of a frequency converter.

8. The full field pneumatic feed system of claim 6, wherein: the inclined discharging box (40) has the structure that: the box comprises a box body (402) arranged above a weighing hopper (43), wherein the box body (402) is of a vertical through structure, a grid (403) is bent outwards and extends above the box body (402), and the grid (403) is covered by an external cover when the box is used; three small tubes II (401) are arranged on the side wall of the grid (403) in parallel.

9. The full field pneumatic feed system of claim 6, wherein: the structure of the gas-material mixing chamber (49) is as follows: comprises a three-way body (491), one opening of which is communicated with a discharge valve (48), one opening is provided with an air inlet pipe (492), and the other opening is provided with a discharge pipe (494); the roots blower (3) is installed at one end of the air inlet pipe (492), the other end of the air inlet pipe (492) extends into the interior of the tee joint body (491), and an inclined baffle (493) is installed between the end of the air inlet pipe (492) and the inner wall of the tee joint body (491).

10. The full field pneumatic feed system of claim 1, wherein: the structure of the remote feeding mechanism (2) is as follows: the winding device comprises a winding wheel (21) positioned on the outer side of an isolation fence (22), a fixed pulley I (29) is arranged on the outer side wall of the isolation fence (22) positioned below the winding wheel (21), a fixed pulley II (24) is arranged below the outer side wall of a main storage bin (6) positioned on the inner side of the isolation fence (22), and a triangular block (25) is arranged on the upper part of the side wall of the main storage bin (6); a bin cover (67) is installed at an opening at the top of the main bin (6), and a connecting rod (27) is installed on the main bin (6) between the bin cover (67) and the triangular block (25); the middle part of the connecting rod (27) is hinged with the bin cover (67), one end of the connecting rod (27) is hinged with the main bin (6), and the other end of the connecting rod (27) is hinged with a pull rod (26); a rope (23) on the winding wheel (21) sequentially passes through the first fixed pulley (29), the isolation enclosing wall (22) and the second fixed pulley (24), the end part of the rope (23) is fixedly arranged at one corner of the triangular block (25), and the other two corners of the triangular block (25) are respectively hinged with the main material bin (6) and the pull rod (26); the vehicle auger (28) on the feed tank car (1) positioned outside the isolation enclosing wall (22) extends to the top of the main storage bin (6).

11. The full field pneumatic feed system of claim 1, wherein: the conveying pipeline (8) is also provided with a relay device (9), and the relay device (9) has the structure that: including installing pipeline booster (91) in pipeline (8), pipeline booster (91) are three-way pipe structure, and branch road (93) are installed through butterfly valve (92) in the third mouth department of pipeline booster (91), fan (95) are installed to branch road (93) end, still install check valve (94) between the output of fan (95) and branch road (93).

12. The full field pneumatic feed system of claim 11, wherein: the structure of the pipeline supercharger (91) is as follows: the three-way pipe (911) comprises a through straight-through part (9111) and a side pipe (9112), wherein the side pipe (9112) is obliquely arranged on the through straight-through part (9111); still including inlaying straight tube (912) in straight-through portion (9111) orificial, straight tube (912) tip stretches into in straight-through portion (9111), and the mouth of pipe of side pipe (9112) is crossed to this end of straight tube (912), forms the gap between straight tube (912) outer wall and straight-through portion (9111) inner wall for the wind that flows out from side pipe (9112) gets into straight-through portion (9111) through this gap.

13. The full field pneumatic feed system of claim 1, wherein: the conveying pipeline (8) is provided with the material distribution towers (7) through branch pipelines (71), the adjacent material distribution towers (7) are communicated through air pipes (73), and air valves (72) are arranged on the single material distribution tower (7).

14. The full field pneumatic feed system of claim 1, wherein: a plurality of branch pipelines (71) are installed on the conveying pipeline (8), and a material distributing tower (7) is installed at the end part of a single branch pipeline (71) through a gas-material separator (74).

15. The full field pneumatic feed system of claim 14, wherein: the structure of the gas-material separator (74) is as follows: including separator body (743), communicating feed inlet (742) with branch pipeline (71) is installed to separator body (743) side, rain cap (741) are installed to separator body (743) bottom, connecting piece (745) are installed through clamp (744) to separator body (743) bottom, and base (746) are installed through the elbow to connecting piece (745) bottom, base (746) are adorned in branch material tower (7) top admittedly.