CN110239138A - The molding screening packing production line of biomass granule fuel - Google Patents

Abstract

The present invention proposes a molding, screening, and packing production line for biomass pellet fuel, including: a lifting and mixing device, a molding device, a drying and screening device, a packing device and a lifting and conveying device, and the lifting and mixing device includes a first feeder , two hoists, a raw material bin and a mixing and diverting machine, each hoist is provided with a first conveying mechanism driven by a first drive motor, the raw material bin is provided with a first mixing mechanism, and the mixing and diverting machine is provided with a second 2. Mixing mechanism. The molding device is equipped with an extruding mechanism and a deceleration mechanism. The drying and screening device includes a dryer and a vibrating screen. The packaging device includes a weighing machine, a sealing machine, a conveyor and a control system. The machine is equipped with a separation mechanism, an iron removal mechanism, a weight sensor and a fixing mechanism. The invention has the characteristics of uniform and sufficient raw material mixing, good running stability, high production efficiency, good drying effect, and high product quality and pass rate.

Description

Biomass pellet fuel forming, screening and packaging production line

technical field

The invention relates to the field, in particular to a production line for forming, screening and packaging biomass pellet fuel.

Background technique

With the international and domestic society's emphasis on environmentally friendly fuels, biomass pellet fuels produced by using straw, straw, rice husk, peanut shell, corncob, camellia husk, cottonseed husk, branches, sawdust, wood bran and other wastes have become Clean and environmentally friendly fuel pursued by major manufacturers. The production of biomass pellet fuel is mainly divided into two parts: the slicing and crushing of raw materials and the forming, screening and packaging of biomass pellet fuel.

The existing biomass pellet fuel forming, screening, and packaging production line mainly has the following problems: first, the existing mixing machine can only mix the biomass raw material powder once, and the raw material powder is easy to mix unevenly, which affects the biomass pellet fuel. The second is that most of the existing extrusion molding machines need to use helical gears, the output power of the main shaft is small, the operation is not stable, and the production efficiency is low, and the qualified rate of finished products is low; the third is that the existing drying The machine adopts a spiral structure feeding method, the discharging speed is slow, and it can only be dried on one side, the efficiency is low and the drying effect is not good; the fourth is that the formed biomass pellet fuel still contains a very small amount of iron filings , and the existing sub-packaging device cannot separate the waste products containing a very small amount of iron filings, which affects the quality of the finished biomass pellet fuel.

Therefore, there is a need for a molding, screening and subpackaging production line of biomass pellet fuel that can solve the above problems.

Contents of the invention

The invention proposes a production line for forming, screening, sorting and packaging biomass pellet fuel, which has the characteristics of uniform and sufficient mixing of raw materials, good running stability, high production efficiency, good drying effect, and high quality and qualified rate of finished products.

Technical scheme of the present invention is realized like this:

The forming, screening and packaging production line of biomass pellet fuel, including: a lifting mixing device for biomass raw material powder mixing and biomass pellet fuel molding, including the first feeder, two elevators, raw material bins and mixing and splitting machine, each of the hoists includes a vertically arranged hoist housing, and each of the hoist housings is provided with a first conveying mechanism driven by a first drive motor, and the top of the raw material bin is horizontal A first screw feeder driven by a second drive motor is provided, the first screw feeder communicates with the hoist housing and the raw material bin, and the upper and lower sides of the raw material bin are provided with interconnected first screw feeders. A material storage chamber and a mixing chamber, the mixing chamber is provided with a first mixing mechanism, the bottom of the mixing chamber is provided with a first discharge chamber communicating with the corresponding elevator housing, and the mixing and diverting machine A second mixing mechanism is arranged inside;

The molding device used for molding biomass pellet fuel includes a vertically arranged molding machine housing, and the inside of the molding machine housing is sequentially provided with a feeding chamber, an extrusion chamber and a first installation chamber from top to bottom. The extrusion chamber is provided with an extrusion dial mechanism, the extrusion dial mechanism includes a main shaft rotatably installed in the extrusion chamber, and two mounting plates arranged horizontally up and down are fixed on the main shaft. A plurality of extrusion rollers are installed between the mounting plates arranged up and down on the block, each of the extrusion rollers is parallel to the main shaft and arranged around the main shaft, and the outer rotation of the extrusion rollers is installed with An annular forming plate coaxial with the main shaft, an extrusion gap is formed between each of the extrusion rollers and the inner side wall of the annular forming plate, and a third drive motor is installed on the outer side of the annular forming plate The first drive gear driven, the top of the annular forming plate is provided with a first driven gear meshed with the first drive gear, and the bottom ring of the first driven gear is provided with a number of dial teeth, The inner side wall of each said shifting tooth is against the outer side wall of the said annular forming plate, and the lower end of the main shaft extends into the first installation cavity, and the first installation cavity is provided with a The reduction mechanism driven by four driving motors, a first discharge port connected with the extrusion chamber is provided on one side of the molding machine housing, and a second feed port is horizontally provided below the first discharge port. machine;

The drying and screening device for drying and screening biomass granular fuels includes a vertically arranged dryer and a vibrating screen, and the dryer is provided with a drying chamber and a first air blower that are set inside and outside together. chamber, the top of the dryer is provided with an air inlet connected to the first air chamber, and the inner wall of the first air chamber is provided with several first air outlets connected with the drying chamber ; The air inlet is connected with a cooling fan, a first rotating shaft driven by the fifth drive motor is vertically arranged in the drying chamber, and several pusher plates are arranged on the outer circumference of the first rotating shaft , the interior of each of the pusher plates and the interior of the first rotating shaft jointly form a second air chamber, the second air chamber communicates with the first air chamber, and the side wall of the second air chamber There are several second air outlets communicating with the drying chamber, a second outlet is provided at the bottom of the drying chamber, and several second outlets arranged side by side are provided at the bottom of the dryer. A material cavity, each of the second material output cavity is in communication with the second material output port;

A subpackaging device for automatic weighing and subpackaging of biomass pellet fuels, including a weighing machine, a wrapping machine, a conveyor and a control system, the weighing machine includes a first interconnected and sequentially arranged from top to bottom Two material storage chambers, a deironing chamber, a weighing chamber and a third discharge chamber, the bottoms of the second storage chamber and the weighing chamber are provided with a third discharge port, each of the third discharge ports A separation mechanism is provided below each of the separation mechanisms, and each of the separation mechanisms includes a horizontally arranged second installation chamber, and a first cylinder is arranged in each of the second installation chambers, and the cylinder of each of the first cylinders are fixed on the inner wall of the second installation cavity, and each of the piston rods of the first cylinders is connected with a first partition baffle, and each of the first partition baffles is slidably installed on the first cylinder. In the second installation chamber, the cross-sectional area of each of the first partition baffles is larger than the area of the third outlet, and each side wall of the iron removal chamber is provided with an iron removal mechanism, the A weight sensor is arranged on the bottom wall of the weighing chamber, and a fixing mechanism for fixing bags is arranged on the outside of the third discharge chamber, the sealing machine is arranged side by side with the weighing machine, and the conveyor is arranged on One side of the weighing machine and the sealing machine, the control system includes a single-chip microcomputer module, and the single-chip microcomputer module is connected with the weight sensor and the first cylinder;

A lifting conveying device is arranged between the forming device and the drying and screening device, and between the drying and screening device and the packing device.

As a preferred technical solution, each of the first conveying mechanisms includes a first driving roller driven to rotate by a first driving motor, and each of the first driving rollers is rotatably installed inside the housing of the hoist The upper end of each hoist housing is provided with a mounting pit, each of which is rotatably mounted with a first driven roller parallel to the first driving roller, and each of the first A first lifting belt is wound around the driving roller and the first driven roller, and several feeding hoppers parallel to each other are arranged around the outer wall of each first lifting belt.

As a preferred technical solution, the first mixing mechanism includes two second rotating shafts rotatably installed in the mixing chamber, the two second rotating shafts are horizontally arranged and parallel to each other, each A first helical blade is wound around the second rotating shaft, the helical directions of the two first helical blades are opposite, and one end of each second rotating shaft protrudes from the raw material bin. Two sixth driving motors are arranged side by side at one end of the outer side of the raw material bin, each of the second rotating shafts is fixedly mounted on the motor shaft of the sixth driving motor, and the bottom of the first storage chamber is provided with a second A feeding port and a second feeding port, the first feeding port is arranged above one end of one of the second rotating shafts, and the second feeding port is arranged on the other side of the second rotating shaft Above one end, the first discharge chamber is disposed below one end of one of the second rotating shafts.

As a preferred technical solution, the second mixing mechanism includes a third rotating shaft rotatably installed in the mixing and dividing machine, and the third rotating shaft is driven by a seventh drive motor fixed at the bottom of the mixing and dividing machine. Driven to rotate, the third rotating shaft is wound with a second helical blade, the bottom of the mixing and splitter is provided with a first mounting frame, and two oppositely arranged second spiral blades are horizontally provided on the first mounting frame. feeder, each of the second screw feeders is in communication with the mixing and splitting machine and the feed chamber.

As a preferred technical solution, each of the reduction mechanisms includes a fourth rotating shaft fixedly installed on the motor shaft of the fourth driving motor, and a second driving gear is fixedly installed on the fourth rotating shaft, so A fifth rotating shaft and a sixth rotating shaft are arranged side by side between the fourth rotating shaft and the main shaft, and each of the fifth rotating shaft and the sixth rotating shaft is rotatably mounted in the first installation cavity , a first reduction gear and a second reduction gear are fixedly installed on each of the fifth rotating shafts, each of the first reduction gears meshes with the corresponding second drive gear, and the second drive The number of teeth of the gear is less than the number of teeth of the first reduction gear, and a third reduction gear and a fourth reduction gear are fixedly installed on each of the sixth rotating shafts, and each of the third reduction gears is corresponding to the corresponding The second reduction gear is meshed, and the number of teeth of the second reduction gear is smaller than the number of teeth of the third reduction gear. A second driven gear is fixedly installed on the lower end of each of the main shafts. Each of the second driven gears The driven gears are all meshed with the fourth reduction gear, and the number of teeth of the fourth reduction gear is smaller than the number of teeth of the second driven gear.

As a preferred technical solution, the vibrating screen includes a second mounting frame arranged below the dryer, and a screen cloth arranged obliquely is fixed on the second mounting frame, and the lower end of the screen cloth is arranged There is a granular fuel outlet, and a dust removal chamber connected with a dust remover is formed between the bottom of the screen and the bottom wall of the second installation frame. A vibrator is arranged at the bottom of the second installation frame, and the outside of the vibrator There are four fixed rods, each of which is provided with a telescopic rod at its upper end, the lower end of each of said telescopic rods is slidably installed in said fixed rod, and the upper end of each of said telescopic rods is fixed on At the bottom of the second installation frame, a buffer spring is sleeved on each of the telescopic rods, the lower end of each buffer spring is against the upper end of the fixed rod, and the lower end of each buffer spring All lean against the bottom of the second installation frame.

As a preferred technical solution, each of the iron removal mechanisms includes two square holes arranged on the side wall of the iron removal chamber, and each adjacent two square holes are parallel to each other, and each of the square holes An electromagnetic block connected to the single-chip microcomputer module is hinged inside, a linkage rod is jointly hinged on the outer walls of each connected two electromagnetic blocks, and a linkage rod is connected to the upper end of each linkage rod to connect with the single-chip microcomputer module. The second cylinder, the outside of the iron removal chamber is provided with a waste chamber, each of the linkage rods and the second cylinder is arranged in the waste chamber, each side wall of the waste chamber is provided with There is a waste material outlet, and a discharge baffle is vertically arranged on the outside of each waste material outlet, and each discharge baffle is slid up and down and installed on the outer wall of the waste material chamber.

As a preferred technical solution, the fixing mechanism includes two clamping frames arranged on the outside of the third discharge chamber, two ends of the two clamping frames are respectively provided with a hydraulic cylinder, each The hydraulic cylinders are all connected to the single-chip microcomputer module, the upper end of each clamping frame is hinged on the outer wall of the third discharge chamber, and the lower end of each clamping frame is provided with an arc shaped clamping plates, and two arc-shaped clamping plates are arranged opposite to each other.

As a preferred technical solution, each of the lifting and conveying devices includes a third mounting frame arranged obliquely upward, and each of the third mounting frames is provided with a second drive driven by an eighth drive motor. Each of the second driving rollers is rotatably mounted on the upper end of the corresponding third mounting frame, and the lower end of each of the third mounting frame is rotatably mounted with a second slave wheel parallel to the second driving roller. Driven rollers, each of the second driving rollers and the corresponding second driven rollers are co-wound with a second lifting belt, and each of the second lifting belts is provided with two opposite side As for the baffle, several particle baffles arranged in a ring are arranged between the two oppositely arranged side baffles, and each particle baffle is fixed on the second lifting belt and is perpendicular to the side bezel.

Adopt above-mentioned technical scheme, the beneficial effect of the present invention is:

Because the forming, screening and packaging production line of biomass pellet fuel includes lifting and mixing devices, forming devices, drying and screening devices, packing devices and lifting and conveying devices, when using the present invention, the staff only need to place the raw material powder on the On the first feeding machine, there is no need to accurately put the raw material powder into each feeding hopper, which reduces the labor intensity of the staff and improves the efficiency of feeding. Moreover, there is a sufficient amount of raw material powder stored in the raw material bin before feeding. The particle molding of biomass fuel ensures that the raw material powder is always sufficient during the molding process, avoids waste of resources and damage to the machine, prolongs the service life of the machine, improves production efficiency, and improves the qualified rate of biomass fuel Complete the primary mixing in the raw material warehouse, and complete the secondary mixing in the mixing and diverting machine. During the primary mixing, the raw material powders on the left and right sides are mixed, and during the secondary mixing, the raw material powders on the upper and lower sides are mixed, so that the raw material powders are fully mixed. Mixing avoids the problem of uneven composition in the finished product of biomass fuel, and improves the qualified rate and quality of the finished product; the deceleration mechanism performs three decelerations, and a vertical motor is used to input the driving force to the main shaft, which improves the stability of the transmission operation and the transmission The efficiency of the present invention improves the production efficiency of the present invention; the rotation speed and time of the dialing teeth are constant, which ensures that the size of the formed biomass fuel particles is basically the same, improves the qualification rate and production efficiency of the biomass fuel particles, and dials The rotation speed and time of the feed teeth are constant, which ensures that the sizes of the formed biomass fuel particles are basically the same, and improves the qualification rate and production efficiency of the biomass fuel particles.

Because the qualified biomass pellet fuel in the vibrating screen moves downward during the vibration process, and enters the next process through the pellet fuel outlet to realize the screening of the biomass pellet fuel, the unqualified biomass pellet fuel is discharged from the screen. The leakage in the sieve hole enters the dust removal chamber and is sucked out into the dust collector for subsequent recycling, which reduces the production input cost of biomass pellet fuel; Automatic weighing and subpackaging improves the accuracy of subpackaging weight and reduces the error of subpackaging; the iron removal mechanism in the iron removal chamber can absorb the biomass pellet fuel waste products containing a very small amount of iron filings on the electromagnetic block , Biomass pellet fuel waste can be re-crushed and then iron-removed to make new biomass pellet fuel, which reduces the production cost of biomass pellet fuel input and improves the quality of biomass pellet fuel sold products.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of hoist among the present invention;

Fig. 3 is the structural representation of raw material warehouse among the present invention;

Fig. 4 is the structural representation of mixing splitter among the present invention;

Fig. 5 is the structural representation of forming machine device among the present invention;

Fig. 6 is a sectional view of A-A direction in Fig. 5;

Fig. 7 is the structural representation of drying and screening device in the present invention;

Fig. 8 is the structural representation of subpackaging device among the present invention;

Fig. 9 is a cross-sectional view along B-B in Fig. 8 .

Among them: 1. The first feeding machine; 2. Hoist; 3. Raw material bin; 4. Mixing and diverting machine; 5. Hoist housing; 6. The first driving motor; A screw feeder; 9. The first storage chamber; 10. The mixing chamber; 11. The first discharge chamber; 12. The molding machine shell; 13. The feeding chamber; 14. The extrusion chamber; 15. The first Installation cavity; 16, main shaft; 17, installation plate; 18, squeeze roller; 19, ring forming plate; 20, third driving motor; 21, first driving gear; 22, first driven gear; 23, dialing material Teeth; 24, the fourth drive motor; 25, the first outlet; 26, the second feeder; 27, dryer; 28, drying chamber; 29, the first air chamber; 30, air inlet; 31 , the first air outlet; 32, the fifth drive motor; 33, the first rotating shaft; 34, the pushing plate; 35, the second air chamber; 36, the second air outlet; 37, the second material outlet; 38, The second discharge chamber; 39. Weighing machine; 40. Packer; 41. Conveyor; 42. The second storage chamber; 43. Iron removal chamber; 44. Weighing chamber; 45. The third discharge chamber; 46. The third discharge port; 47. The second installation cavity; 48. The first cylinder; 49. The first partition baffle; 50. The weight sensor; 51. The first driving roller; 52. The installation pit; 53. The first Driven roller; 54, the first lifting belt; 55, the feed hopper; 56, the second rotating shaft; 57, the first screw blade; 58, the sixth drive motor; 59, the first feed port; 60, the second 61, the third rotating shaft; 62, the seventh driving motor; 63, the second screw blade; 64, the first mounting frame; 65, the second screw feeder; 66, the fourth rotating shaft; 67, The second driving gear; 68, the fifth rotating shaft; 69, the sixth rotating shaft; 70, the first reduction gear; 71, the second reduction gear; 72, the third reduction gear; 73, the fourth reduction gear; 74, the first reduction gear Two driven gears; 75, the second mounting frame; 76, the screen; 77, the particle fuel outlet; 78, the dust chamber; 79, the vibrator; 80, the fixed rod; 81, the telescopic rod; 82, the buffer spring; 83, Square hole; 84, electromagnetic block; 85, linkage rod; 86, second cylinder; 87, waste chamber; 88, waste outlet; 89, discharge baffle; 90, clamping frame; 91, hydraulic cylinder; 92, arc 93, the third mounting frame; 94, the eighth driving motor; 95, the second driving roller; 96, the second driven roller; 97, the second lifting belt; 98, side baffles; 99, particles bezel.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figure 1, the molding, screening, and packaging production line of biomass pellet fuel includes: a lifting mixing device for mixing biomass raw material powder and molding biomass pellet fuel, including a first feeder 1, two lifting Machine 2, raw material bin 3 and mixing and diverting machine 4, each hoist 2 all comprises a hoist casing 5 that is vertically arranged, and each hoist casing 5 is provided with a first driving motor 6 driven A conveying mechanism, the top of the raw material bin 3 is horizontally provided with a first screw feeder 8 driven by the second drive motor 7, the first screw feeder 8 communicates with the elevator housing 5 and the raw material bin 3, and the raw material Inside the bin 3, a first material storage chamber 9 and a mixing chamber 10 communicating with each other are provided up and down. The mixing chamber 10 is provided with a first mixing mechanism. The discharge chamber 11 and the mixing and splitting machine 4 are provided with a second mixing mechanism.

As shown in Fig. 5 and Fig. 6 together, the molding device for biomass particle fuel molding includes a vertically arranged molding machine housing 12, and the interior of the molding machine housing 12 is sequentially provided with a feed chamber 13 from top to bottom, Extrusion chamber 14 and first installation chamber 15, extruding chamber 14 is provided with extruding material setting mechanism, extruding material displacing mechanism comprises the main shaft 16 that is rotatably installed in the extruding chamber 14, is fixed on the main shaft 16 and is installed with two A mounting plate 17 arranged horizontally up and down, a plurality of extrusion rollers 18 are installed for co-rotation between the two installation plates 17 arranged up and down, each extrusion roller 18 is all parallel to the main shaft 16 and is arranged around the main shaft 16, and the extrusion roller The outer rotation of 18 is equipped with an annular forming plate 19 coaxial with the main shaft 16, and an extrusion gap is formed between each extrusion roller and the inner side wall of the annular forming plate 19, and a ring forming plate 19 is rotated on an outer side by a third roller. The first drive gear 21 driven by the drive motor 20, the top of the annular forming plate 19 is provided with the first driven gear 22 meshed with the first drive gear 21, and the bottom ring of the first driven gear 22 is provided with several dials Teeth 23, the inner sidewall of each material shifting tooth 23 all leans against the outer sidewall of the annular forming plate 19, the lower end of the main shaft 16 stretches into the first installation cavity 15, and the first installation cavity 15 is provided with a driver driven by the fourth A reduction mechanism driven by a motor 24 , a first discharge port 25 connected to the extrusion chamber 14 is provided on one side of the molding machine housing 12 , and a second feeder 26 is horizontally provided below the first discharge port 25 .

The drying and screening device for drying and screening biomass granular fuels includes a vertically arranged dryer 27 and a vibrating screen. The dryer 27 is provided with a drying chamber 28 and a first Air chamber 29, the top of the dryer 27 is provided with an air inlet 30 communicating with the first air chamber 29, and the inner wall of the first air chamber 29 is provided with several first air outlets 31 communicating with the drying chamber 28 The air inlet 30 is connected with a cooling fan, and a first rotating shaft 33 driven by the fifth driving motor 32 is vertically arranged in the drying chamber 28, and several pusher plates 34 are arranged on the outer circumference of the first rotating shaft 33 , the inside of each pushing plate 34 and the inside of the first rotating shaft 33 jointly form a second air chamber 35, the second air chamber 35 communicates with the first air chamber 29, and the side walls of the second air chamber 35 are provided with several The second air outlet 36 that communicates with the drying chamber 28, the bottom of the drying chamber 28 is provided with a second discharge port 37, and the bottom of the dryer 27 is provided with several second discharge chambers 38 arranged side by side. A second discharge chamber 38 is in communication with the second discharge port 37 .

As shown in Figure 8, be used for automatic weighing and the dispensing device of dispensing biomass particle fuel, comprise weighing machine 39, wrapping machine 40, conveyor 41 and control system, weighing machine 39 comprises from top to bottom The second material storage chamber 42 arranged in sequence and communicated with each other, the iron removal chamber 43, the weighing chamber 44 and the third discharge chamber 45, the bottom of the second material storage chamber 42 and the weighing chamber 44 are all provided with a third discharge chamber. Material port 46, a partition mechanism is arranged below each third discharge port 46, and each partition mechanism includes a second installation chamber 47 arranged horizontally, and a first air cylinder is arranged in each second installation chamber 47 48, the cylinder body of each first cylinder 48 is all fixed on the inner wall of the second installation chamber 47, and the piston rod of each first cylinder 48 is connected with a first partition baffle 49, and each first partition baffle 49 are all slidingly installed in the second installation cavity 47, the cross-sectional area of each first partition baffle 49 is all greater than the area of the third discharge port 46, and each side wall of the iron removal chamber 43 is provided with a Mechanism, a weight sensor 50 is arranged on the bottom wall of the weighing chamber 44, a fixing mechanism for fixing the bag is arranged on the outside of the third discharge chamber 45, the sealing machine 40 and the weighing machine 39 are arranged side by side, and the conveyor 41 is arranged on On one side of the weighing machine 39 and the sealing machine 40, the control system includes a single-chip microcomputer module, and the single-chip microcomputer module is connected with the weight sensor 50 and the first cylinder 48.

A lifting conveying device is arranged between the forming device and the drying and screening device, and between the drying and screening device and the packing device.

As shown in Figure 2, each first conveying mechanism all comprises the first driving roller 51 that is driven and rotated by the third driving motor 20, and each first driving roller 51 is all rotatably installed on the upper end of the hoist housing 5 inside, each The lower end of a hoist housing 5 is provided with a mounting hole 52, and a first driven roller 53 parallel to the first driving roller 51 is installed in each mounting hole 52, and each first driving roller 51 is connected to the first driving roller 51. The driven rollers 53 are co-wound with a first lifting belt 54 , and the outer wall of each first lifting belt 54 is surrounded by a plurality of parallel feeding hoppers 55 .

As shown in Figure 3, the first mixing mechanism includes two second rotating shafts 56 that are rotatably installed in the mixing chamber 10, and the two second rotating shafts 56 are horizontally arranged and parallel to each other, and each second rotating shaft 56 One end extends out of the raw material bin 3, and a first helical blade 57 is wound around each second rotating shaft 56. The helical directions of the two first helical blades 57 are opposite, and one end of the outer side of the raw material bin 3 is arranged side by side with two second helical blades. Six driving motors 58, each second rotating shaft 56 is fixedly installed on the motor shaft of the sixth driving motor 58, the bottom of the first material storage chamber 9 is provided with a first feed port 59 and a second feed port 60, The first feeding port 59 is arranged above one end of one of the second rotating shafts 56, the second feeding port 60 is arranged above the other end of the other second rotating shaft 56, and the first discharge chamber 11 is arranged on one of the second rotating shafts. Below one end of the two rotating shafts 56 .

As shown in Figure 4, the second mixing mechanism includes a third rotating shaft 61 rotatably installed in the mixing and splitting machine 4, and the third rotating shaft 61 is driven to rotate by the seventh driving motor 62 fixed on the bottom of the mixing and splitting machine 4. The rotating shaft 61 is wound with a second helical blade 63, the bottom of the mixing and splitter 4 is provided with a first mounting frame 64, and the first mounting frame 64 is horizontally provided with two oppositely arranged second screw feeders 65, each A second screw feeder 65 is in communication with the mixing and splitting machine 4 and the feeding chamber 13 .

Wherein, each reduction mechanism all comprises the fourth rotating shaft 66 that is fixedly installed on the motor shaft of the fourth driving motor 24, the second driving gear 67 is fixedly installed on the fourth rotating shaft 66, the connection between the fourth rotating shaft 66 and the main shaft 16 The fifth rotating shaft 68 and the sixth rotating shaft 69 are arranged side by side between each fifth rotating shaft 68 and the sixth rotating shaft 69 are all rotatably installed in the first installation cavity 15, and are fixed on each fifth rotating shaft 68. A first reduction gear 70 and a second reduction gear 71 are installed, each first reduction gear 70 meshes with the corresponding second drive gear 67, and the number of teeth of the second drive gear 67 is less than the number of teeth of the first reduction gear 70, every A third reduction gear 72 and a fourth reduction gear 73 are fixedly installed on the sixth rotating shaft 69, each third reduction gear 72 is meshed with the corresponding second reduction gear 71, and the number of teeth of the second reduction gear 71 Less than the number of teeth of the third reduction gear 72, a second driven gear 74 is fixedly installed on the lower end of each main shaft 16, and each second driven gear 74 is meshed with the fourth reduction gear 73, and the fourth reduction gear 73 The number of teeth is smaller than the number of teeth of the second driven gear 74 .

As shown in Figure 7, the vibrating screen includes a second mounting frame 75 arranged below the dryer 27, a screen 76 arranged obliquely is fixed on the second mounting frame 75, and a granular fuel outlet 77 is arranged at the lower end of the screen 76. A dust removal chamber 78 connected with a dust remover is formed between the bottom of the screen 76 and the bottom wall of the second mounting frame 75, a vibrator 79 is arranged at the bottom of the second mounting frame 75, and four fixing rods are arranged on the outside of the vibrator 79 80, the upper end of each fixed rod 80 is all provided with a telescopic rod 81, the lower end of each telescopic rod 81 is all slidably installed in the fixed rod 80, and the upper end of each telescopic rod 81 is all fixed on the bottom of the second mounting bracket 75, A buffer spring 82 is sleeved on each telescopic rod 81 , the lower end of each buffer spring 82 leans against the upper end of the fixed rod 80 , and the lower end of each buffer spring 82 leans against the bottom of the second mounting frame 75 . In this embodiment, the buffer spring 82 is a compression spring.

As shown in Figure 9, each iron removal mechanism includes two square holes 83 arranged on the side wall of the iron removal chamber 43, each adjacent two square holes 83 are parallel to each other, and each square hole 83 is hinged with a single-chip microcomputer module. The electromagnetic block 84 that connects, on the outer side wall of every connecting two electromagnetic blocks 84, all jointly hinged a link bar 85, and the upper end of each link bar 85 is all connected with a second cylinder 86 that is connected with the single-chip microcomputer module, and the iron removal chamber 43 The outer side is provided with a waste material cavity 87, and each linkage rod 85 and the second cylinder 86 are all arranged in the waste material cavity 87, and each side wall of the waste material cavity 87 is provided with a waste material outlet 88, and the outside of each waste material outlet 88 is vertical. A discharge baffle 89 is arranged to each direction, and each discharge baffle 89 is all slid up and down and installed on the outer side wall of the waste chamber 87 .

Moreover, the fixing mechanism includes two clamping frames 90 relatively arranged on the outside of the third discharge chamber 45, two ends of the two clamping frames 90 are respectively provided with a hydraulic cylinder 91, and each hydraulic cylinder 91 is connected to the single chip microcomputer module. connection, the upper end of each clamping frame 90 is hinged on the outer wall of the third discharge chamber 45, and the lower end of each clamping frame 90 is provided with an arc clamping plate 92, two arc clamping plates 92 relative settings.

In addition, each lifting and conveying device includes a third mounting frame 93 arranged obliquely upward, and a second driving roller 95 driven by an eighth driving motor 94 is arranged on each third mounting frame 93, and each second The driving rollers 95 are all rotatably installed on the upper end of the corresponding third mounting frame 93, and the lower end of each third mounting frame 93 is all rotatably mounted with a second driven roller 96 parallel to the second driving roller 95, and each second driving roller 95 and the corresponding second driven roller 96 are jointly wound with a second lifting belt 97, and the outside of each second lifting belt 97 is provided with two oppositely arranged side baffles 98, and two oppositely arranged side baffles 98 Several particle baffles 99 are arranged between the plates 98 and each particle baffle 99 is fixed on the second lifting belt 97 and is perpendicular to the side baffles 98 .

When using the present invention:

The first step is to transport the powder of various biomass raw materials to the position of the first hoist 2 through the first feeder 1, and the third drive motor 20 starts to drive the first hoisting belt 54 and the feeding hopper 55 to rotate continuously. The raw material powder falls into the corresponding feeding hopper 55, and the feeding hopper 55 filled with the raw material powder continuously dumps the raw material powder through the first screw feeder and enters the first storage chamber 9 for temporary storage. During this process, the staff only need to place the raw material powder on the first feeder 1, and do not need to accurately put the raw material powder into each feeding hopper 55, which reduces the labor intensity of the staff and improves The efficiency of feeding is improved, and there is enough raw material powder stored in the raw material bin 3 before the particle molding of biomass fuel is carried out, which ensures that the raw material powder is always sufficient during the molding process, and avoids the untimely delivery of raw materials during the molding process. Turning on and off the pellet forming machine causes waste of resources and damage to the machine, prolongs the service life of the machine, improves production efficiency, and improves the qualification rate of biomass fuel.

The second step is that the sixth drive motor 58 drives the second rotating shaft 56 and the first helical blade 57 to rotate, and the first helical blade 57 located below the first feed port 59 drives the raw material powder to move away from the first feed port. 59 moves on one side, and the first screw blade 57 located below the second feed port 60 drives the raw material powder to move toward the side away from the first feed port 59, so that the primary mixing of the raw material powder is realized, and the raw material powder after primary mixing The lifting of the second hoist 2 enters the mixing and splitting machine 4; the seventh driving motor 62 starts to drive the third rotating shaft 61 and the second screw blade 63 to carry out secondary mixing of the raw material powder, and the raw material powder after the secondary mixing passes through the The second screw feeder 65 enters the molding machine for molding. The raw material powders on the left and right sides are mixed during the first mixing, and the raw material powders on the upper and lower sides are mixed during the second mixing, so that the raw material powders are fully mixed to avoid The problem of uneven composition in the finished product of biomass fuel improves the qualified rate and quality of the finished product.

The third step is that the fourth driving motor 24 drives the first rotating shaft 33 to rotate, and drives the main shaft 16 to rotate after the third-stage deceleration of the fifth rotating shaft 68 and the sixth rotating shaft 69, and the rotating of the main shaft 16 drives the mounting plate 17 and the extruder The pressure roller 18 rotates, and the extrusion roller 18 squeezes the raw material powder in the extrusion chamber 14, so that the extruded biomass raw material passes through the forming hole on the annular forming plate 19 to form a strip-shaped biomass fuel. Simultaneously the 3rd driving motor 20 starts to drive the first driving gear 21 and the first driven gear 22 to rotate, and the first driven gear 22 drives the material shifting tooth 23 to rotate, and the material shifting tooth 23 will extend the forming hole in the process of rotation. The molded biomass fuel is cut off, and drives the biomass fuel particles to push forward, and leaves the molding device through the first outlet 25, which improves the quality and pass rate of the finished biomass particle fuel, and reduces the waste of raw materials; and The vertical motor is used to input the driving force to the main shaft, and the helical gear is not used for transmission in the reducer, which avoids damage to the parts, improves the stability of the transmission operation and the efficiency of the transmission, and improves the production efficiency of the present invention; the material shifting gear 23 The rotation speed and time are fixed, which ensures that the size of the formed biomass fuel particles is basically the same, and the shifting tooth 23 will also drive the biomass fuel particles to move while rotating, avoiding the accumulation of biomass fuel particles affecting subsequent production, and improving the production efficiency of the biomass fuel particles. The qualification rate and production efficiency of biomass fuel pellets.

The fourth step is that the formed biomass pellet fuel enters the drying chamber 28 after being lifted by the second feeder 26 and the corresponding second lifting belt 97, and the cooling air blows to the first wind chamber 29 and the second wind chamber at the same time. 35 blows cold air into the drying chamber 28 to dry the biomass pellet fuel in all directions, the fifth driving motor 32 starts to drive the first rotating shaft 33 and the pushing plate 34 to rotate, and the pushing plate 34 pushes the raw material The material particle fuel moves, and finally falls on the screen cloth 76 through the second discharge port 37 and the second discharge cavity 38, and the vibrator 79 drives the second mounting frame 75 and the screen cloth 76 to vibrate, and the fixed rod 80, The telescopic rod 81 and the buffer spring 82 play a guiding role, ensuring that the second mounting bracket 75 vibrates up and down, and sieves the biomass pellet fuel on the screen, and the qualified biomass pellet fuel moves downward during the vibration process. Enter the next process through the pellet fuel outlet 77 to realize the screening of the biomass pellet fuel. into the dust collector for subsequent recycling, which reduces the production input cost of biomass pellet fuel.

The fifth step is to open the third discharge port 46 at the bottom of the second material storage chamber 42, close the third discharge port 46 at the bottom of the weighing chamber 44, and the qualified biomass pellet fuel to be screened will fall to the corresponding second lift. On the belt 97, it is transported in the second material storage chamber 42 of the weighing machine 39 by the second lifting belt 97, and the biomass particle fuel in the second material storage chamber 42 falls in the iron removal chamber 43, and the iron removal chamber 43 The electromagnetic block 84 inside is energized with magnetism, and the biomass particle fuel waste product containing a very small amount of iron filings is adsorbed on the electromagnetic block 84, and the qualified biomass particle fuel enters the weighing chamber 44. When the weight sensor 50 senses that the weighing When the weight of the biomass particle fuel in the heavy chamber 44 reaches the predetermined weight, the weight sensor 50 transmits information to the single-chip microcomputer module, and the single-chip microcomputer module sends signals to the first cylinder 48, the second cylinder 86 and the hydraulic oil cylinder 91, and closes the second storage chamber 42 bottom third outlet 46, open the third outlet 46 at the bottom of the weighing chamber 44, the biomass particle fuel in the weighing chamber 44 falls into the bag through the third outlet chamber 45, realizing bio The automatic weighing of the material particle fuel improves the accuracy of the sub-package weight and reduces the error of the sub-package; the piston rod of the hydraulic cylinder 91 stretches out, the two clamping frames 90 rotate outward, and the gap between the arc clamping plates 92 When the distance increases, the bag is no longer supported and placed on the conveyor belt. The second driving motor 7 drives the second driving roller 95, the second driven roller 96 and the conveyor belt to rotate, and the driving drives the bag to move backward. When moving to the edge sealing position, the bag sealing machine 40 seals the bag during the moving process of the bag to complete the packaging of the biomass particle fuel.

The sixth step is that the piston rod of the second cylinder 86 is retracted, which drives the linkage rod 85 and the electromagnetic block 84 to rotate outwards. After that, the electromagnetic block 84 loses its magnetism after power-off, and the biomass particle fuel waste products adsorbed on the electromagnetic block 84 are released from the electromagnetic block. drop into the waste chamber 87, the piston rod of the second cylinder 86 stretches out, drives the linkage rod 85 and the electromagnetic block 84 to rotate inwards to the original position, and continues to energize the electromagnetic block, and the staff can pull the discharge stop upwards The plate 89 exposes the waste material outlet 88, and the biomass particle fuel waste product dropped into the waste material cavity 87 is taken out from the waste material outlet 88, and then the discharge baffle plate 89 is pushed down to put the waste material outlet 88 on the gear, and the biomass particle fuel Waste products can be re-crushed and then re-removed to make new biomass pellet fuel, which reduces the production cost of biomass pellet fuel input and improves the quality of biomass pellet fuel sold products.

To sum up, the forming, screening and packaging production line of biomass pellet fuel proposed by the present invention has the characteristics of uniform and sufficient raw material mixing, good running stability, high production efficiency, good drying effect, and high product quality and pass rate.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (9)

1. The forming, screening and packaging production line of biomass pellet fuel is characterized in that it includes: A lifting and mixing device for mixing biomass raw material powder and forming biomass pellet fuel, including a first feeder, two lifts, a raw material bin and a mixing and diverting machine, each of which includes a vertically set The hoist housing, each of the hoist housings is provided with a first conveying mechanism driven by a first drive motor, and the top of the raw material bin is horizontally provided with a first screw feeding mechanism driven by a second drive motor The first screw feeder is connected to the hoist housing and the raw material bin, and the raw material bin is provided with a first storage chamber and a mixing chamber connected to each other up and down, and the mixing chamber is provided with There is a first mixing mechanism, the bottom of the mixing chamber is provided with a first discharge chamber that communicates with the corresponding elevator housing, and a second mixing mechanism is arranged in the mixing and diverting machine; The molding device used for molding biomass pellet fuel includes a vertically arranged molding machine housing, and the inside of the molding machine housing is sequentially provided with a feeding chamber, an extrusion chamber and a first installation chamber from top to bottom. The extrusion chamber is provided with an extrusion dial mechanism, the extrusion dial mechanism includes a main shaft rotatably installed in the extrusion chamber, and two mounting plates arranged horizontally up and down are fixed on the main shaft. A plurality of extrusion rollers are installed between the mounting plates arranged up and down on the block, each of the extrusion rollers is parallel to the main shaft and arranged around the main shaft, and the outer rotation of the extrusion rollers is installed with An annular forming plate coaxial with the main shaft, an extrusion gap is formed between each of the extrusion rollers and the inner side wall of the annular forming plate, and a third drive motor is installed on the outer side of the annular forming plate The first drive gear driven, the top of the annular forming plate is provided with a first driven gear meshed with the first drive gear, and the bottom ring of the first driven gear is provided with a number of dial teeth, The inner side wall of each said shifting tooth is against the outer side wall of the said annular forming plate, and the lower end of the main shaft extends into the first installation cavity, and the first installation cavity is provided with a The reduction mechanism driven by four driving motors, a first discharge port connected with the extrusion chamber is provided on one side of the molding machine housing, and a second feed port is horizontally provided below the first discharge port. machine; The drying and screening device for drying and screening biomass granular fuels includes a vertically arranged dryer and a vibrating screen, and the dryer is provided with a drying chamber and a first air blower that are set inside and outside together. chamber, the top of the dryer is provided with an air inlet connected to the first air chamber, and the inner wall of the first air chamber is provided with several first air outlets connected with the drying chamber ; The air inlet is connected with a cooling fan, a first rotating shaft driven by the fifth drive motor is vertically arranged in the drying chamber, and several pusher plates are arranged on the outer circumference of the first rotating shaft , the interior of each of the pusher plates and the interior of the first rotating shaft jointly form a second air chamber, the second air chamber communicates with the first air chamber, and the side wall of the second air chamber There are several second air outlets communicating with the drying chamber, a second outlet is provided at the bottom of the drying chamber, and several second outlets arranged side by side are provided at the bottom of the dryer. A material cavity, each of the second material output cavity is in communication with the second material output port; A subpackaging device for automatic weighing and subpackaging of biomass pellet fuels, including a weighing machine, a wrapping machine, a conveyor and a control system, the weighing machine includes a first interconnected and sequentially arranged from top to bottom Two material storage chambers, a deironing chamber, a weighing chamber and a third discharge chamber, the bottoms of the second storage chamber and the weighing chamber are provided with a third discharge port, each of the third discharge ports A separation mechanism is provided below each of the separation mechanisms, and each of the separation mechanisms includes a horizontally arranged second installation chamber, and a first cylinder is arranged in each of the second installation chambers, and the cylinder of each of the first cylinders are fixed on the inner wall of the second installation cavity, and each of the piston rods of the first cylinders is connected with a first partition baffle, and each of the first partition baffles is slidably installed on the first cylinder. In the second installation chamber, the cross-sectional area of each of the first partition baffles is larger than the area of the third outlet, and each side wall of the iron removal chamber is provided with an iron removal mechanism, the A weight sensor is arranged on the bottom wall of the weighing chamber, and a fixing mechanism for fixing bags is arranged on the outside of the third discharge chamber, the sealing machine is arranged side by side with the weighing machine, and the conveyor is arranged on One side of the weighing machine and the sealing machine, the control system includes a single-chip microcomputer module, and the single-chip microcomputer module is connected with the weight sensor and the first cylinder; A lifting conveying device is arranged between the forming device and the drying and screening device, and between the drying and screening device and the packing device. 2. The forming, screening, and packaging production line of biomass pellet fuel according to claim 1, wherein each of the first conveying mechanisms includes a first driving roller driven by a first driving motor to rotate, and each The first drive rollers are all rotatably mounted on the upper end of the hoist housing, and each lower end of the hoist housing is provided with a mounting pit, and each of the mounting pits is rotatably mounted with a The first driven roller of the first driving roller, each of the first driving roller and the first driven roller is co-wound with a first lifting belt, and the outer side wall of each of the first lifting belts is The ring is provided with several feed hoppers parallel to each other. 3. The forming, screening, and packaging production line of biomass pellet fuel according to claim 2, wherein the first mixing mechanism includes two second rotating shafts that are rotatably installed in the mixing chamber, two The second rotating shafts are all arranged horizontally and parallel to each other, and each second rotating shaft is wound with a first helical blade, the helical directions of the two first helical blades are opposite, and each of the first helical blades One ends of the two rotating shafts extend out of the raw material bin, and two sixth drive motors are arranged side by side at one end outside the raw material bin, and each of the second rotating shafts is fixedly mounted on the sixth driving motor On the motor shaft, the bottom of the first material storage chamber is provided with a first feed port and a second feed port, and the first feed port is arranged above one end of one of the second rotating shafts, so The second material inlet is arranged above the other end of the other second rotating shaft, and the first discharge chamber is arranged below one end of one of the second rotating shafts. 4. The molding, screening, and packaging production line of biomass pellet fuel according to claim 3, wherein the second mixing mechanism includes a third rotating shaft that is rotatably installed in the mixing and splitting machine, and the first The three rotating shafts are driven and rotated by the seventh driving motor fixed at the bottom of the mixing and splitting machine, the third rotating shaft is wound with a second helical blade, and the bottom of the mixing and splitting machine is provided with a first mounting bracket, so Two opposite second screw feeders are arranged horizontally on the first installation frame, and each of the second screw feeders is in communication with the mixing and diverting machine and the feeding chamber. 5. The forming, screening and subpackaging production line of biomass pellet fuel according to claim 4, wherein each of the reduction mechanisms includes a fourth rotating shaft fixedly mounted on the motor shaft of the fourth drive motor , the second drive gear is fixedly installed on the fourth rotating shaft, the fifth rotating shaft and the sixth rotating shaft are arranged side by side between the fourth rotating shaft and the main shaft, each of the fifth rotating shaft and the The sixth rotating shafts are all rotatably installed in the first installation cavity, and each of the fifth rotating shafts is fixedly installed with a first reduction gear and a second reduction gear, and each of the first reduction gears meshed with the corresponding second drive gear, and the number of teeth of the second drive gear is smaller than the number of teeth of the first reduction gear, and each of the sixth rotating shafts is fixedly installed with a third reduction gear and a first reduction gear. Four reduction gears, each of the third reduction gears meshes with the corresponding second reduction gear, and the number of teeth of the second reduction gear is smaller than the number of teeth of the third reduction gear, the lower end of each of the main shafts A second driven gear is fixedly installed, each of the second driven gears meshes with the fourth reduction gear, and the number of teeth of the fourth reduction gear is smaller than that of the second driven gear. 6. The molding, screening and packaging production line of biomass pellet fuel according to claim 5, wherein the vibrating screen includes a second mounting frame arranged below the dryer, and the second mounting frame A sieve arranged obliquely is fixed on the top, and a granular fuel outlet is arranged at the lower end of the sieve, and a dust removal chamber connected with a dust remover is formed between the bottom of the sieve and the bottom wall of the second installation frame. The bottom of the second installation frame is provided with a vibrator, and the outside of the vibrator is provided with four fixed rods, the upper end of each of the fixed rods is provided with a telescopic rod, and the lower end of each of the telescopic rods is slidably installed on the In the fixed rod, the upper end of each telescopic rod is fixed on the bottom of the second installation frame, each telescopic rod is provided with a buffer spring, and the lower end of each buffer spring is pushed Leaning against the upper end of the fixing rod, the lower end of each of the buffer springs leans against the bottom of the second mounting frame. 7. The forming, screening and subpackaging production line of biomass pellet fuel according to claim 6, wherein each said deironing mechanism comprises two square holes arranged on the side wall of said deironing chamber, Each adjacent two described square holes are parallel to each other, and each described square hole is hinged with an electromagnetic block connected to the single-chip microcomputer module, and a linkage rod is jointly hinged on the outer walls of each connected two described electromagnetic blocks, and each The upper end of one of the linkage rods is connected with a second cylinder connected with the single chip microcomputer module, a waste chamber is provided outside the iron removal chamber, each of the linkage rods and the second cylinder is arranged on the In the waste chamber, a waste outlet is provided on each side wall of the waste chamber, and a discharge baffle is vertically arranged on the outside of each waste outlet, and each discharge baffle slides up and down Installed on the outer wall of the waste chamber. 8. The molding, screening, and packaging production line for biomass pellet fuel according to claim 7, wherein the fixing mechanism includes two clamping frames arranged on the outside of the third discharge chamber, two Both ends of the clamping frame are respectively provided with a hydraulic cylinder, each of the hydraulic cylinders is connected to the single-chip microcomputer module, and the upper end of each of the clamping frames is hinged to the third discharge chamber. On the outer wall, an arc-shaped clamping plate is arranged at the lower end of each of the clamping frames, and two arc-shaped clamping plates are arranged opposite to each other. 9. The molding, screening, and packaging production line for biomass pellet fuel according to claim 8, wherein each of the lifting and conveying devices includes a third installation frame arranged obliquely upward, and each of the third The mounting frame is provided with a second driving roller driven by the eighth drive motor, and each of the second driving rollers is rotatably mounted on the upper end of the corresponding third mounting frame, and each of the third mounting frame A second driven roller parallel to the second driving roller is mounted on the lower end for rotation, and a second lifting belt is wound around each second driving roller and the corresponding second driven roller, and each The outer side of the second lifting belt is provided with two oppositely arranged side baffles, and between the two oppositely arranged side baffles are arranged a plurality of particle baffles arranged in a ring, each of the particle baffles The boards are all fixed on the second lifting belt and perpendicular to the side fences.