Feed pellet production equipment and preparation method

Abstract

The present invention relates to the technical field of feed production, and in particular to a feed pellet production device and a preparation method, comprising a raw material mixing system, a pellet forming system, a drying system, a spraying and seasoning system, and a cooling and packaging system. The raw material mixing system is arranged upstream of the pellet forming system, a first air conveyor is connected between the pellet forming system and the drying system, a fourth elevator is connected between the drying system and the spraying and seasoning system, and a second air conveyor is connected between the spraying and seasoning system and the cooling and packaging system. The present invention can perform all-round mixing, pellet forming, drying, spraying and color adjustment, and cooling and packaging processing on the feed by arranging the raw material mixing system, the pellet forming system, the drying system, the spraying and seasoning system, and the cooling and packaging system, with a complete set of facilities.

Description

Technical Field

[0001] The present invention relates to the technical field of feed production, and in particular to feed pellet production equipment and a preparation method. Background Art

[0002] Animal husbandry production is developing in the direction of scale and intensification. Improving product grade, stabilizing product quality and reducing production costs have also become a major problem for feed companies. In order to improve the grade of feed products, stabilize product quality and reduce costs, it is necessary to first improve the production process and improve the process control ability of operating equipment. In the feed production process, first of all, different raw materials need to be crushed into powders, and then various powders are proportioned according to the feed formula and mixed evenly. Then, the mixed powders are mixed with water and prepared into pellet feed on a pelletizer. Finally, the pellet feed needs to be dried and packaged.

[0003] When mixing raw materials, traditional feed production equipment has a low mixing degree and cannot effectively remove impurities from the raw materials. The raw materials contain a large amount of impurities, resulting in impure feed pellets produced later; the raw materials cannot be effectively pelletized, and after pelletizing, the pellets cannot be evenly dried, resulting in a lot of moisture in the pellets later; and traditional feed production equipment cannot spray and color the feed pellets, resulting in the uniformity of the feed pellets and being unable to meet the vast market demand; in the production process of pellet feed, traditional feed production equipment needs to transfer powder between various equipment between each process and within the same process, that is, each equipment needs staff to be responsible for the transportation of materials, resulting in a lot of manpower waste and seriously affecting production efficiency. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides a feed pellet production equipment and preparation method, which can effectively mix the raw materials, remove impurities from the raw materials, and evenly dry the raw materials after the feed pellets are formed. After drying, the pellets can be sprayed and colored to meet the vast market demand. In addition, there is no need for manual transportation between the entire equipment, and the production efficiency is high.

[0005] In order to solve the above technical problems, the present invention proposes the following technical solutions:

[0006] A feed pellet production device comprises a raw material mixing system, a pellet forming system, a drying system, a spraying and seasoning system and a cooling and packaging system. The raw material mixing system is arranged upstream of the pellet forming system. A first air conveyor is connected between the pellet forming system and the drying system. A fourth elevator is connected between the drying system and the spraying and seasoning system. A second air conveyor is connected between the spraying and seasoning system and the cooling and packaging system.

[0007] The raw material mixing system is provided with a feeding mechanism, a batching mechanism, a mixing mechanism, a crushing mechanism, an auxiliary material adding mechanism and a sufficient mixing mechanism in sequence;

[0008] The particle forming system comprises a feeder, a double-shaft modulator, a twin-screw extruder and a forming die, the feeder is in communication with the double-shaft modulator, the double-shaft modulator is in communication with the twin-screw extruder, and the twin-screw extruder is in communication with the forming die;

[0009] The drying system comprises a drying chamber, a steam oven and a stirring mechanism, wherein the steam oven is arranged on the side of the drying chamber and the stirring mechanism is arranged in the drying chamber;

[0010] The spray seasoning system comprises a first roller, a sprayer, a second roller and a mounting frame, wherein the first roller is connected to the second roller and both are rotatably arranged on the mounting frame, and the sprayer is connected to the first roller;

[0011] The cooling and packaging system includes a flap cooler, a bucket elevator, a packaging machine and a receiving hopper. The flap cooler is connected to the second air conveyor. The bucket elevator is arranged on the side of the flap cooler. The receiving hopper is connected to the bucket elevator and is installed on the packaging machine.

[0012] Furthermore, the feeding mechanism includes a feeding hopper and a first pulse dust collector, the first pulse dust collector is arranged on the side of the feeding hopper, the discharge port of the feeding hopper is connected to a first elevator, the discharge port of the first elevator is connected to a horizontal auger, and the horizontal auger is connected to the batching mechanism;

[0013] The batching mechanism includes a material distribution plate, a batching bin group, a batching auger, an electronic weighing bucket and a first pneumatic door. The bottom end of the material distribution plate is connected to a plurality of batching bin groups, the bottom end of the batching bin group is connected to a batching auger, the plurality of batching auger are connected to the electronic weighing bucket, a first pneumatic door is installed at the material outlet of the electronic weighing bucket, and the electronic weighing bucket is connected to the mixing mechanism;

[0014] The mixing mechanism includes a first mixer, the first mixer is connected to the bottom end of the electronic scale bucket, a second elevator is installed at the discharge port of the first mixer, and the first mixer is connected to the crushing mechanism through the second elevator;

[0015] The pulverizing mechanism includes a first permanent magnetic cylinder, a bin to be pulverized, a first material lifting pipe, a feeder, and a pulverizer. The first permanent magnetic cylinder is arranged at the discharge port of the second elevator, the bin to be pulverized is arranged downstream of the first permanent magnetic cylinder, the feeder is connected to the bin to be pulverized through the first material lifting pipe, the pulverizer is arranged at the discharge port of the feeder, the discharge port of the pulverizer is connected to a material receiver, and the pulverizer is connected to the auxiliary material adding mechanism through the material receiver;

[0016] The auxiliary material adding mechanism includes a second pulse dust collector, an air lock, a high-grade screen, a bin to be mixed, a third pulse dust collector, a small material adding hopper and a second mixer. The air lock is arranged at the lower part of the second pulse dust collector, the air lock is communicated with the material receiver, the high-grade screen is arranged at the lower end of the second pulse dust collector and the air lock, the bin to be mixed is arranged downstream of the high-grade screen, a second pneumatic door is installed at the material outlet of the bin to be mixed, the bin to be mixed is communicated with the second mixer, the small material adding hopper is communicated with the material inlet of the second mixer, the third pulse dust collector is arranged on the side of the small material adding hopper, the material outlet of the second mixer is connected with a third elevator, and the second mixer is communicated with the sufficient mixing mechanism through the third elevator;

[0017] The fully mixing mechanism comprises a second permanent magnetic cylinder and a third mixer, the discharge end of the third elevator is communicated with the second permanent magnetic cylinder, and the second permanent magnetic cylinder is communicated with the third mixer.

[0018] Furthermore, a material guide barrel is connected to the side of the feeder, the feeder is connected to the double-axis modulator through the material guide barrel, the discharge end of the double-axis modulator is connected to a material guide pipe, the double-axis modulator is connected to the twin-screw extruder through the material guide pipe, a base is fixed under the twin-screw extruder, the molding die is installed on the base, the molding die is connected to the discharge end of the twin-screw extruder, and the material receiving end of the first air conveyor is connected to the discharge end of the molding die.

[0019] Furthermore, a material receiving cylinder is installed through the top of the steam oven, and the material receiving cylinder is communicated with the first air conveyor. A chain conveyor belt is installed through the steam oven and the drying chamber, baffles are provided on both sides of the chain conveyor belt, and the chain conveyor belt has multiple layers. A stirring motor is installed on the side of the drying chamber, and an agitator is installed on the output end of the stirring motor. The agitator is installed between the chain conveyor belts, and multiple hot air blowers are provided at the top of the side of the drying chamber.

[0020] Furthermore, a heat preservation barrel is installed on the top of the sprayer, and the heat preservation barrel and the sprayer operate simultaneously.

[0021] Furthermore, the discharging end of the flap cooler is communicated with the receiving end of the bucket elevator, and the discharging end of the bucket elevator is communicated with the receiving hopper.

[0022] The present invention also provides a method for preparing feed pellets, which comprises the following steps:

[0023] Step 1: Put the processed raw materials into the feeding hopper of the feeding mechanism, perform the initial dust removal through the first pulse dust collector, and enter the batching mechanism through the feeding mechanism for weight distribution, enter the first mixer for mixing after distribution, and enter the first permanent magnetic cylinder for initial iron removal after mixing. After iron removal, the raw materials are crushed by the crushing mechanism, and after crushing, the auxiliary materials are added to the auxiliary material adding mechanism, and the raw materials and the auxiliary materials are fully mixed by the full mixing mechanism;

[0024] Step 2: The mixed raw materials are conveyed to a particle forming system, and the double-shaft modulator preheats the mixed raw materials. The preheated raw materials enter a twin-screw extruder, and the raw materials are cut by high-speed extrusion of the twin-screw extruder. After cutting, the raw materials enter a forming mold for particle forming.

[0025] Step 3: The formed particles enter the drying system through the first air conveyor, and the particles are dried in the drying chamber and the steam oven;

[0026] Step 4: Transfer the dried pellets to the spraying and seasoning system through the fourth elevator, and spray the feed pellets in the first drum and the second drum;

[0027] Step 5: The sprayed feed particles enter the flap cooler through the second air conveyor, and the feed particles are cooled by the flap cooler. After cooling, the feed particles enter the packaging machine through the bucket elevator for packaging and forming.

[0028] It can be seen from the above technical solution that the beneficial effects of the present invention are:

[0029] 1. The present invention is equipped with a raw material mixing system, a particle forming system, a drying system, a spraying and seasoning system, and a cooling and packaging system, which can comprehensively mix, particle form, dry, spray and color, and cool and package the feed, with a complete set of facilities;

[0030] 2. The present invention sets a raw material mixing system, in which a feeding mechanism, a batching mechanism, a mixing mechanism, a crushing mechanism, an auxiliary material adding mechanism and a sufficient mixing mechanism are arranged, so that the raw materials and auxiliary materials can be effectively mixed, the mixing efficiency is high, and the raw materials and auxiliary materials can be cleaned to ensure the cleanliness of the raw materials and auxiliary materials, and to avoid the feed particles produced later having a lot of impurities;

[0031] 3. The present invention can facilitate the particle forming process of the mixed raw materials by setting up a particle forming system;

[0032] 4. The present invention provides a drying system, in which a drying chamber, a steam oven and a stirring mechanism are provided, so that the formed particles can be effectively dried with high drying efficiency. The stirring mechanism can be provided to stir the particles in the drying system, so that the feed particles can be heated evenly.

[0033] 5. The present invention provides a spraying seasoning system to spray and adjust the color of the dried feed particles, so that the feed particles can meet the needs of a wide range of markets;

[0034] 6. The present invention can facilitate the direct transfer of raw materials from the previous process to the next process by setting the first air conveyor, the fourth elevator and the second air conveyor, without the need for manual transfer, and has high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0036] Figure 1 It is a schematic diagram of the overall production process of the present invention;

[0037] Figure 2 It is a schematic diagram of the raw material mixing system in the present invention;

[0038] Figure 3 is a schematic diagram of a particle forming system in the present invention;

[0039] Figure 4 is a schematic diagram of a drying system in the present invention;

[0040] Figure 5 It is a top view schematic diagram of the drying system in the present invention;

[0041] Figure 6 is a cross-sectional view of the drying system of the present invention;

[0042] Figure 7 is a schematic diagram of the spray seasoning system of the present invention;

[0043] Figure 8 It is a schematic diagram of the cooling packaging system in the present invention.

[0044] Reference numerals:

[0045] 01-raw material mixing system, 11-feeding hopper, 12-first pulse dust collector, 13-first elevator, 14-horizontal auger, 15-distribution plate, 16-batch bin group, 17-batch auger, 18-electronic scale bucket, 19-first pneumatic door, 110-first mixer, 111-second elevator, 112-first permanent magnetic cylinder, 113-bin to be crushed, 114-first lifting pipe, 115-feeder, 116-crusher, 117-receiver, 118-second pulse dust collector, 119-air shut-off device, 120-high-grade screen, 121-bin to be mixed, 122-second pneumatic door, 123-third pulse dust collector, 124-small material adding hopper, 125-second mixer, 126-third elevator, 127-second permanent magnetic cylinder, 128-third mixer;

[0046] 02-granule forming system, 21-feeder, 22-motor, 23-double-shaft modulator, 24-guide tube, 25-twin-screw extruder, 26-heater, 27-base, 28-forming mold, 29-rotating motor, 210-guide barrel;

[0047] 03-drying system, 31-receiving barrel, 32-drying chamber, 33-hot air blower, 34-stirring motor, 35-baffle, 36-steam oven, 37-chain conveyor belt, 38-stirring machine;

[0048] 04-spraying seasoning system, 41-first roller, 42-spraying machine, 43-second roller;

[0049] 05-cooling and packaging system, 51-flip cooling machine, 52-bucket elevator, 53-packaging machine, 54-receiving hopper;

[0050] 6-first air conveyor, 7-fourth lifting machine, 8-second air conveyor. DETAILED DESCRIPTION

[0051] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0052] See also Figure 1-8 A feed pellet production device, comprising a raw material mixing system 01, a pellet forming system 02, a drying system 03, a spraying and seasoning system 04, and a cooling and packaging system 05. The raw material mixing system 01 is arranged upstream of the pellet forming system 02. A first air conveyor 6 is connected between the pellet forming system 02 and the drying system 03. A fourth elevator 7 is connected between the drying system 03 and the spraying and seasoning system 04. A second air conveyor 8 is connected between the spraying and seasoning system 04 and the cooling and packaging system 05.

[0053] The raw material mixing system 01 is provided with a feeding mechanism, a batching mechanism, a mixing mechanism, a crushing mechanism, an auxiliary material adding mechanism and a sufficient mixing mechanism in sequence; specifically, the input raw materials can be batched by the batching mechanism, the raw materials can be mixed by the mixing mechanism, the raw materials can be crushed by the crushing mechanism, and then the auxiliary materials can be added by the auxiliary material adding mechanism and fully mixed with the auxiliary materials in the sufficient mixing mechanism.

[0054] The particle forming system 02 includes a feeder 21, a biaxial modulator 23, a twin-screw extruder 25 and a forming mold 28. The feeder 21 is connected to the biaxial modulator 23, the biaxial modulator 23 is connected to the twin-screw extruder 25, and the twin-screw extruder 25 is connected to the forming mold 28. The biaxial modulator 23 can be used to preheat the raw materials, the twin-screw extruder 25 can extrude and cut the raw materials, and the forming mold 28 can perform particle forming on the extruded and cut raw materials.

[0055] The drying system 03 includes a drying chamber 32, a steam oven 36 and a stirring mechanism. The steam oven 36 is arranged on the side of the drying chamber 32, and the stirring mechanism is arranged in the drying chamber 32. The formed feed particles can be dried by the drying chamber 32 and the steam oven 36. The setting of the stirring mechanism can make the feed particles dry more evenly.

[0056] The spraying seasoning system 04 includes a first roller 41, a sprayer 42, a second roller 43 and a mounting frame 44. The first roller 41 is connected to the second roller 43 and both are rotatably arranged on the mounting frame 44. The sprayer 42 is connected to the first roller 41. The rotation of the first roller 41 and the second roller 43 facilitates the sprayer 42 to evenly spray the feed particles.

[0057] The cooling and packaging system 05 includes a flap cooler 51, a bucket elevator 52, a packaging machine 53 and a receiving hopper 54. The flap cooler 51 is connected to the second air conveyor 8, the bucket elevator 52 is arranged on the side of the flap cooler 51, the receiving hopper 54 is connected to the bucket elevator 52, and the receiving hopper 54 is installed on the packaging machine 53; specifically, the feed particles can be cooled and packaged.

[0058] See also Figure 2 In this embodiment, the feeding mechanism includes a feed hopper 11 and a first pulse dust collector 12. The first pulse dust collector 12 is arranged on the side of the feed hopper 11. The discharge port of the feed hopper 11 is connected to a first elevator 13. The discharge port of the first elevator 13 is connected to a horizontal auger 14. The horizontal auger 14 is connected to the batching mechanism. The first pulse dust collector 12 can remove dust from the raw materials fed into the feed hopper 11 to ensure the cleanliness of the raw materials.

[0059] The batching mechanism includes a distribution plate 15, a distribution bin group 16, a distribution auger 17, an electronic weighing bucket 18 and a first pneumatic door 19. The bottom end of the distribution plate 15 is connected to a plurality of distribution bin groups 16, and the bottom end of the distribution bin group 16 is connected to a distribution auger 17. The plurality of distribution auger 17 are all connected to the electronic weighing bucket 18. The first pneumatic door 19 is installed at the discharge port of the electronic weighing bucket 18, and the electronic weighing bucket 18 is connected to the mixing mechanism; the raw materials can be introduced into the distribution bin group 16 and the distribution auger 17 through the distribution plate 15, and then the raw materials can be batched through the electronic weighing bucket 18, and the batched raw materials enter the next process through the first pneumatic door 19;

[0060] The mixing mechanism includes a first mixer 110, which is connected to the bottom of the electronic weighing bucket 18. A second elevator 111 is installed at the discharge port of the first mixer 110. The first mixer 110 is connected to the crushing mechanism through the second elevator 111. The first mixer 110 can be used to fully mix the batched raw materials.

[0061] The pulverizing mechanism includes a first permanent magnetic cylinder 112, a bin to be pulverized 113, a first material lifting pipe 114, a feeder 115, and a pulverizer 116. The first permanent magnetic cylinder 112 is arranged at the discharge port of the second elevator 111, the bin to be pulverized 113 is arranged downstream of the first permanent magnetic cylinder 112, the feeder 115 is connected to the bin to be pulverized 113 through the first material lifting pipe 114, the pulverizer 116 is arranged at the discharge port of the feeder 115, and a material receiver 117 is connected to the discharge port of the pulverizer 116, and the pulverizer 116 is connected to the auxiliary material adding mechanism through the material receiver 117; the mixed raw materials can be removed of metal impurities such as iron by the first permanent magnetic cylinder 112, the bin to be pulverized 113 stores the raw materials, the raw materials are pulverized by the pulverizer 116, and the pulverized raw materials enter the auxiliary material adding mechanism through the material receiver 117;

[0062] The auxiliary material adding mechanism includes a second pulse dust collector 118, an air lock 119, a high-grade screen 120, a bin to be mixed 121, a third pulse dust collector 123, a small material adding hopper 124 and a second mixer 125. The air lock 119 is arranged at the lower part of the second pulse dust collector 118, and the air lock 119 is communicated with the material receiver 117. The high-grade screen 120 is arranged at the lower end of the second pulse dust collector 118 and the air lock 119, the bin to be mixed 121 is arranged downstream of the high-grade screen 120, and a second pneumatic door 122 is installed at the material outlet of the bin to be mixed 121. The bin to be mixed 121 is connected to the second mixer 125. The small material adding hopper 124 is connected to the feeding port of the second mixer 125, the third pulse dust collector 123 is arranged on the side of the small material adding hopper 124, the discharging port of the second mixer 125 is connected to the third elevator 126, and the second mixer 125 is connected to the sufficient mixing mechanism through the third elevator 126; the crushed raw material passes through the second pulse dust collector 118 and the air lock 119 for further dust removal, and is sieved through the high-resolution screen 120, and auxiliary materials are added to the small material adding hopper 124, and then the auxiliary materials can be effectively mixed with the raw materials through the second mixer 125;

[0063] The fully mixing mechanism includes a second permanent magnetic cylinder 127 and a third mixer 128. The discharge end of the third elevator 126 is connected to the second permanent magnetic cylinder 127, and the second permanent magnetic cylinder 127 is connected to the third mixer 128. The second permanent magnetic cylinder 127 can be used to remove metal impurities in the mixed auxiliary materials and raw materials, and the auxiliary materials and raw materials can be further mixed through the third mixer 128, so the mixing effect is good.

[0064] See also Figure 3 In this embodiment, the side of the feeder 21 is connected with a guide barrel 210, and the feeder 21 is communicated with the double-axis modulator 23 through the guide barrel 210. The discharge end of the double-axis modulator 23 is connected with a guide pipe 24. The double-axis modulator 23 is communicated with the twin-screw extruder 25 through the guide pipe 24. A base 27 is fixed below the twin-screw extruder 25. The forming mold 28 is installed on the base 27. The forming mold 28 is communicated with the discharge end of the twin-screw extruder 25, and the receiving end of the first air conveyor 6 is communicated with the discharge end of the forming mold 28; specifically, the mixed auxiliary materials and raw materials can be introduced into the double-axis modulator 23 for preheating through the guide barrel 210, and the heated auxiliary materials and raw materials enter the twin-screw extruder 25 through the guide pipe 24. By starting the twin-screw extruder 25, the auxiliary materials and raw materials can be extruded and cut, and the auxiliary materials and raw materials after extrusion and cutting enter the forming mold 28 to form feed particles.

[0065] See also Figure 4-6In this embodiment, a receiving barrel 31 is installed at the top of the steam oven 36, and the receiving barrel 31 is communicated with the first air conveyor 6. A chain conveyor belt 37 is installed in the steam oven 36 and the drying chamber 32. Baffles 35 are provided on both sides of the chain conveyor belt 37. The chain conveyor belt 37 has multiple layers. A stirring motor 34 is installed on the side of the drying chamber 32. A stirrer 38 is installed at the output end of the stirring motor 34. The stirrer 38 is installed between the chain conveyor belts 37. A plurality of hot air blowers 33 are provided on the top of the side of the drying chamber 32. Specifically, the first air conveyor 6 can be used to The formed feed particles are introduced into the receiving barrel 31, and enter the chain conveyor belt 37 of the steam oven 36 through the receiving barrel 31 to dry the feed particles. The moisture content of the feed particles before drying is about 30%, and the moisture content of the feed particles after drying should be less than or equal to 6%; the feed particles are transported to the drying chamber 32 via the chain conveyor belt 37, and the stirring motor 34 drives the stirrer 38 to rotate, thereby turning the feed particles on the chain conveyor belt 37, so that the hot air blown by the hot air blower 33 evenly heats and dries the feed particles, and the dried feed particles are discharged through the fourth elevator 7.

[0066] See also Figure 7 In this embodiment, a heat preservation barrel is installed on the top of the sprayer 42. The heat preservation barrel and the sprayer 42 operate simultaneously. The dried feed is introduced into the first drum 41 through the fourth elevator 7. The heat preservation barrel on the sprayer 42 stores the spraying raw materials. The sprayer 42 sprays the stored raw materials into the first drum 41. Through the rotation of the first drum 41, the spraying raw materials and the feed particles are effectively adjusted in color.

[0067] See also Figure 8 In this embodiment, the discharge end of the flap cooler 51 is communicated with the receiving end of the bucket elevator 52, and the discharge end of the bucket elevator 52 is communicated with the receiving hopper 54; specifically, by starting the flap cooler 51, the flap cooler 51 cools the feed particles. The flap cooler 51 uses the countercurrent cooling principle to cool the high-temperature and high-humidity feed particles, avoiding sudden cooling caused by direct contact between cold air and hot materials, and preventing cracking of the feed particle surface. The cooled feed particles enter the packaging machine 53 through the bucket elevator 52 for molding and packaging.

[0068] See also Figure 1-8 The present invention also provides a method for preparing feed pellets, which comprises the following steps:

[0069] Step 1: put the processed raw materials into the feeding hopper 11 in the feeding mechanism, perform the initial dust removal through the first pulse dust collector 12, and enter the batching mechanism through the feeding mechanism for weight distribution, and then enter the first mixer 110 for mixing, and then enter the first permanent magnetic cylinder 112 for initial iron removal. After iron removal, the raw materials are crushed by the crushing mechanism, and then the auxiliary materials are added to the auxiliary material adding mechanism, and the raw materials and the auxiliary materials are fully mixed by the full mixing mechanism;

[0070] Step 2: The mixed raw materials are transferred to the particle forming system 02, and the double-shaft modulator 23 preheats the mixed raw materials. The preheated raw materials enter the twin-screw extruder 25, and the twin-screw extruder 25 extrudes and cuts the raw materials at high speed. After cutting, the raw materials enter the forming mold 28 for particle forming;

[0071] Step 3: the formed particles enter the drying system 03 through the first air conveyor 6, and the particles are dried in the drying chamber 32 and the steam oven 36;

[0072] Step 4: Transfer the dried pellets to the spraying and seasoning system 04 through the fourth elevator 7, and spray the feed pellets in the first drum 41 and the second drum 43;

[0073] Step 5: the sprayed feed particles enter the flap cooler 51 through the second air conveyor 8, the flap cooler 51 cools the feed particles, and after cooling, enters the packaging machine 53 through the bucket elevator 52 for packaging and forming.

[0074] Working principle: the processed raw materials are put into the feeding hopper 11 in the feeding mechanism, and the first dust removal is carried out through the first pulse dust collector 12, and the raw materials are fed into the batching mechanism through the feeding mechanism for weight distribution, and then they are mixed in the first mixer 110, and then they are mixed in the first permanent magnet cylinder 112 for the first iron removal. After iron removal, the raw materials are crushed by the crushing mechanism, and then the auxiliary materials are added to the auxiliary material adding mechanism. The raw materials and the auxiliary materials are fully mixed by the fully mixing mechanism; the mixed raw materials are conveyed to the particle forming system 02, and the double-axis modulator 23 preheats the mixed raw materials. The preheated raw materials enter the twin-screw extruder 25, and then The twin-screw extruder 25 extrude and cut the raw material at high speed, and after cutting, the raw material enters the forming mold 28 for particle forming; the formed particles enter the drying system 03 through the first air conveyor 6, and the moisture of the particles is dried in the drying chamber 32 and the steam oven 36; the dried particles are transferred to the spraying and seasoning system 04 through the fourth elevator 7, and the feed particles are sprayed in the first roller 41 and the second roller 43; the sprayed feed particles enter the flap cooler 51 through the second air conveyor 8, and the feed particles are cooled by the flap cooler 51. After cooling, they enter the packaging machine 53 through the bucket elevator 52 for packaging and forming.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A feed pellet production device, characterized in that: The invention comprises a raw material mixing system (01), a particle forming system (02), a drying system (03), a spraying and seasoning system (04) and a cooling and packaging system (05). The raw material mixing system (01) is arranged upstream of the particle forming system (02). A first air conveyor (6) is connected between the particle forming system (02) and the drying system (03). A fourth elevator (7) is connected between the drying system (03) and the spraying and seasoning system (04). A second air conveyor (8) is connected between the spraying and seasoning system (04) and the cooling and packaging system (05): The raw material mixing system (01) is provided with a feeding mechanism, a batching mechanism, a mixing mechanism, a crushing mechanism, an auxiliary material adding mechanism and a sufficient mixing mechanism in sequence; The particle forming system (02) comprises a feeder (21), a double-shaft modulator (23), a twin-screw extruder (25) and a forming die (28), wherein the feeder (21) is in communication with the double-shaft modulator (23), the double-shaft modulator (23) is in communication with the twin-screw extruder (25), and the twin-screw extruder (25) is in communication with the forming die (28); The drying system (03) comprises a drying chamber (32), a steam oven (36) and a stirring mechanism, wherein the steam oven (36) is arranged on the side of the drying chamber (32), and the stirring mechanism is arranged in the drying chamber (32); The spraying seasoning system (04) comprises a first roller (41), a sprayer (42), a second roller (43) and a mounting frame (44); the first roller (41) and the second roller (43) are connected and are both rotatably arranged on the mounting frame (44); the sprayer (42) and the first roller (41) are connected; The cooling and packaging system (05) comprises a flap cooler (51), a bucket elevator (52), a packaging machine (53) and a receiving hopper (54); the flap cooler (51) is connected to the second air conveyor (8); the bucket elevator (52) is arranged on the side of the flap cooler (51); the receiving hopper (54) is connected to the bucket elevator (52); and the receiving hopper (54) is installed on the packaging machine (53); The feeding mechanism comprises a feeding hopper (11) and a first pulse dust collector (12), wherein the first pulse dust collector (12) is arranged on the side of the feeding hopper (11), a first elevator (13) is connected to the discharge port of the feeding hopper (11), a horizontal auger (14) is connected to the discharge port of the first elevator (13), and the horizontal auger (14) is connected to the batching mechanism; The batching mechanism comprises a material distribution plate (15), a batching bin group (16), a batching auger (17), an electronic weighing bucket (18) and a first pneumatic door (19); the bottom end of the material distribution plate (15) is connected to a plurality of material distribution bin groups (16); the bottom end of the material distribution bin group (16) is connected to a batching auger (17); the plurality of material distribution auger (17) are all connected to the electronic weighing bucket (18); a first pneumatic door (19) is installed at the material outlet of the electronic weighing bucket (18); and the electronic weighing bucket (18) is connected to the mixing mechanism; The mixing mechanism comprises a first mixer (110), the first mixer (110) is in communication with the bottom end of the electronic weighing bucket (18), a second elevator (111) is installed at the discharge port of the first mixer (110), and the first mixer (110) is in communication with the pulverizing mechanism via the second elevator (111); The pulverizing mechanism comprises a first permanent magnetic cylinder (112), a bin to be pulverized (113), a first material lifting pipe (114), a feeder (115), and a pulverizer (116); the first permanent magnetic cylinder (112) is arranged at the discharge port of the second elevator (111); the bin to be pulverized (113) is arranged downstream of the first permanent magnetic cylinder (112); the feeder (115) and the bin to be pulverized (113) are communicated with each other through the first material lifting pipe (114); the pulverizer (116) is arranged at the discharge port of the feeder (115); a material receiver (117) is connected to the discharge port of the pulverizer (116); and the pulverizer (116) is communicated with the auxiliary material adding mechanism through the material receiver (117); The auxiliary material adding mechanism comprises a second pulse dust collector (118), an air lock (119), a high-grade screen (120), a bin to be mixed (121), a third pulse dust collector (123), a small material adding hopper (124) and a second mixer (125); the air lock (119) is arranged at the lower part of the second pulse dust collector (118); the air lock (119) is communicated with the material receiving device (117); the high-grade screen (120) is arranged at the lower end of the second pulse dust collector (118) and the air lock (119); the bin to be mixed (121) is arranged at the lower end of the second pulse dust collector (118) and the air lock (119); Downstream of the high-grade screen (120), a second pneumatic door (122) is installed at the discharge port of the mixing bin (121); the mixing bin (121) is in communication with the second mixer (125); the small material adding hopper (124) is in communication with the feed port of the second mixer (125); a third pulse dust collector (123) is arranged on the side of the small material adding hopper (124); the discharge port of the second mixer (125) is connected to a third elevator (126); and the second mixer (125) is in communication with the sufficient mixing mechanism via the third elevator (126); The fully mixing mechanism comprises a second permanent magnetic cylinder (127) and a third mixer (128); the discharge end of the third elevator (126) is in communication with the second permanent magnetic cylinder (127); and the second permanent magnetic cylinder (127) is in communication with the third mixer (128); A material guide barrel (210) is connected to the side of the feeder (21), the feeder (21) is connected to the double-axis modulator (23) through the material guide barrel (210), the discharge end of the double-axis modulator (23) is connected to the material guide pipe (24), the double-axis modulator (23) is connected to the twin-screw extruder (25) through the material guide pipe (24), a base (27) is fixed below the twin-screw extruder (25), the molding die (28) is mounted on the base (27), the molding die (28) is connected to the discharge end of the twin-screw extruder (25), and the material receiving end of the first air conveyor (6) is connected to the discharge end of the molding die (28); A material receiving cylinder (31) is installed through the top of the steam oven (36), the material receiving cylinder (31) is in communication with the first air conveyor (6), a chain conveyor belt (37) is installed through the steam oven (36) and the drying chamber (32), baffles (35) are provided on both sides of the chain conveyor belt (37), the chain conveyor belt (37) has multiple layers, a stirring motor (34) is installed on the side of the drying chamber (32), a stirrer (38) is installed at the output end of the stirring motor (34), the stirrer (38) is installed between the chain conveyor belts (37), and a plurality of hot air blowers (33) are provided on the top of the side of the drying chamber (32); The feed pellet production equipment is used to prepare feed pellets, and the preparation method thereof comprises the following steps: Step 1, the processed raw material is put into the feed hopper (11) of the feeding mechanism, and is subjected to primary dust removal via the first pulse dust collector (12), and enters the batching mechanism through the feeding mechanism for weight distribution, and enters the first mixer (110) for mixing after distribution, and enters the first permanent magnetic cylinder (112) for primary iron removal after mixing, and after iron removal, the raw material is crushed by the crushing mechanism, and after crushing, the auxiliary material is added to the auxiliary material adding mechanism, and the raw material and the auxiliary material are fully mixed by the full mixing mechanism; Step 2, the mixed raw materials are conveyed to the particle forming system (02), the double-shaft modulator (23) preheats the mixed raw materials, the preheated raw materials enter the twin-screw extruder (25), the twin-screw extruder (25) extrudes and cuts the raw materials at high speed, and after cutting, the raw materials enter the forming mold (28) for particle forming; Step 3, the formed particles enter the drying system (03) through the first air conveyor (6), and the particles are dried in the drying chamber (32) and the steam oven (36); Step 4, transferring the dried particles to the spraying and seasoning system (04) through the fourth elevator (7), and spraying the feed particles in the first drum (41) and the second drum (43); Step 5: the sprayed feed particles enter the flap cooler (51) through the second air conveyor (8), the flap cooler (51) cools the feed particles, and after cooling, enters the packaging machine (53) through the bucket elevator (52) for packaging and forming.

2. A feed pellet production device according to claim 1, characterized in that: A heat preservation barrel is installed on the top of the spraying machine (42), and the heat preservation barrel and the spraying machine (42) operate simultaneously.

3. A feed pellet production device according to claim 1, characterized in that: The discharge end of the flap cooler (51) is in communication with the receiving end of the bucket elevator (52), and the discharge end of the bucket elevator (52) is in communication with the receiving hopper (54).

Images