Compression molding device for producing biomass pellet fuel

Abstract

The present invention discloses a compression molding device for producing biomass pellet fuel, which belongs to the technical field of pellet fuel production. A compression molding device for producing biomass pellet fuel comprises: a compression molding machine fixedly connected to a base; a discharge plate provided on the compression molding machine, wherein a discharge hole communicating with the compression molding machine is provided in the discharge plate; a guide plate fixedly connected to the compression molding machine; wherein the guide plate is located at the lower end of the discharge hole; a cutting device for cutting the compressed pellet fuel; a guide tube connected to the guide plate, wherein one end of the guide tube is connected to an air supply member, and the other end of the guide tube faces the discharge hole; the present invention can prevent the pellet fuel from being damaged during the process of falling after being cut by providing the guide plate, and can blow the pellet fuel to facilitate the rolling of the pellet fuel, and can also dissipate heat from the pellet fuel, thereby improving the stability of pellet fuel molding.

Description

Technical Field

[0001] The invention relates to the technical field of goaf, and in particular to a compression molding device for producing biomass particle fuel. Background Art

[0002] Pellet fuel is an alternative bioenergy source processed from sweet sorghum straw, corn straw, cotton straw, wheat or rice straw, branches, reeds and other straws in China. It is mainly used in boilers that replace coal.

[0003] When pellet fuel is produced, it is necessary to first collect various crop straws, crush them, and then extrude and shape them under high temperature and high pressure;

[0004] After pellet fuel is formed, some heat will remain on the pellet fuel, so the pellet fuel needs to be burned before storage. When cooling down, the existing pellet fuel needs to be piled up and placed in a cooling room for cooling. Due to the accumulation of pellet fuel and the influence of its temperature, the pellet fuel will be deformed after being squeezed, affecting the stability of the pellet fuel molding. In addition, when the pellet fuel falls after being formed and extruded in the compression molding machine, it is also easy to deform, affecting the stability of the pellet fuel molding. Summary of the Invention

[0005] The purpose of the present invention is to solve the problem in the prior art that due to the accumulation of pellet fuel and the influence of its temperature, the pellet fuel will be deformed after being extruded, affecting the stability of the pellet fuel molding, and the pellet fuel is also prone to deformation during the process of falling after being molded and extruded in the compression molding machine, affecting the stability of the pellet fuel molding. A compression molding device for producing biomass pellet fuel is proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A compression molding device for producing biomass pellet fuel, comprising: a compression molding machine fixedly connected to a base; a discharge plate provided on the compression molding machine, wherein the discharge plate is provided with a discharge hole communicating with the compression molding machine; a guide plate fixedly connected to the compression molding machine; wherein the guide plate is located at the lower end of the discharge hole; a cutting device for cutting the compressed pellet fuel; a guide tube connected to the guide plate, wherein one end of the guide tube is connected to an air supply member, and the other end of the guide tube faces the discharge hole and is used for blowing the cut pellet fuel to slide; wherein the end of the guide plate away from the guide tube is arranged in an arc shape.

[0008] In order to facilitate the cutting of the pellet fuel, preferably, the cutting device includes: an adjusting frame fixedly connected to the compression molding machine; a cutting frame slidably connected to the adjusting frame; wherein a cutting blade is fixedly connected to the cutting frame; a driving motor fixedly connected to the adjusting frame; a reciprocating screw fixedly connected to the output end of the driving motor; wherein the cutting frame is threadedly connected to the reciprocating screw.

[0009] In order to facilitate the sliding of the cutting frame, preferably, a sliding seat is fixedly connected to the cutting frame, and the sliding seat is slidably connected to the adjusting frame.

[0010] In order to improve the stability of the threaded connection of the cutting frame, preferably, an adjusting spring is sleeved on the adjusting frame, and two ends of the adjusting spring are respectively fixedly connected to the sliding seat and the adjusting frame.

[0011] In order to facilitate the inflation of the guide tube, preferably, the reciprocating screw is rotatably connected to a connecting frame, the lower end of the connecting frame is fixedly connected to a piston rod, the cutting frame is fixedly connected to a piston seat, the piston rod is slidably connected to the piston seat, and a piston upper chamber is provided in the piston seat, the piston upper chamber is connected to an upper air outlet and an upper air inlet, and the upper air outlet is communicated with the guide tube.

[0012] Preferably, the guide pipe is connected to multiple groups of guide branch pipes.

[0013] In order to facilitate the extraction of the cut particulate fuel debris, preferably, a piston lower chamber is provided in the piston seat, and the piston lower chamber is connected to a lower air outlet and a lower air inlet. A suction pipe is provided on the cutting frame, and the lower end of the suction pipe faces the discharge hole, and the suction pipe is connected to the lower air inlet.

[0014] In order to facilitate heat dissipation of the particle fuel, preferably, the guide plate is hollowed out.

[0015] In order to prevent the particulate fuel from rolling down, preferably, the lower end of the guide plate is rotatably connected to a buffer rack, an arc-shaped shaft is fixedly connected to the buffer rack, an arc-shaped cylinder is fixedly connected to the base, the arc-shaped shaft is slidably connected in the arc-shaped cylinder, and an arc-shaped air outlet pipe is connected to the arc-shaped cylinder, and one end of the arc-shaped air outlet pipe away from the arc-shaped cylinder is fixedly connected to the guide plate, and the arc-shaped air outlet pipe faces the guide plate, and the guide plate and the buffer rack are connected by an elastic pull rope.

[0016] Preferably, a sponge plate is fixedly connected to the buffer frame.

[0017] Compared with the prior art, the present invention provides a compression molding device for producing biomass pellet fuel, which has the following beneficial effects:

[0018] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The present invention can prevent the granular fuel from being damaged during the process of falling after being cut by setting the guide plate, and can blow the granular fuel to facilitate the rolling of the granular fuel. At the same time, it can dissipate heat from the granular fuel and improve the stability of the granular fuel molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a compression molding device for producing biomass pellet fuel proposed by the present invention;

[0020] Figure 2 A compression molding device for producing biomass pellet fuel proposed by the present invention Figure 1 Schematic diagram of the structure of part A;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of a compression molding device for producing biomass pellet fuel proposed by the present invention;

[0022] Figure 4 This is a structural schematic diagram of a guide plate of a compression molding device for producing biomass pellet fuel proposed by the present invention;

[0023] Figure 5 This is a schematic structural diagram of a cutting frame of a compression molding device for producing biomass pellet fuel proposed by the present invention;

[0024] Figure 6 This is a structural schematic diagram of a buffer frame of a compression molding device for producing biomass pellet fuel proposed by the present invention.

[0025] In the figure: 1. Compression molding machine; 101. Discharge plate; 102. Discharge hole; 103. Guide plate; 2. Adjusting frame; 201. Adjusting spring; 3. Cutting frame; 301. Sliding seat; 302. Cutting blade; 4. Driving motor; 401. Reciprocating screw; 402. Connecting frame; 5. Piston seat; 501. Piston rod; 502. Upper piston chamber; 5021. Upper air outlet; 5022. Upper air inlet; 503. Lower piston chamber; 5031. Lower air outlet; 5032. Lower air inlet; 504. Suction pipe; 6. Buffer frame; 601. Sponge plate; 602. Arc shaft; 603. Arc cylinder; 604. Arc outlet pipe; 605. Elastic pull rope; 7. Guide pipe; 701. Guide branch pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0028] Example 1:

[0029] Reference Figure 1-6 A compression molding device for producing biomass pellet fuel comprises: a compression molding machine 1 fixedly connected to a base; a discharge plate 101 is provided on the compression molding machine 1, and a discharge hole 102 is provided in the discharge plate 101 and communicated with the compression molding machine 1; a guide plate 103 fixedly connected to the compression molding machine 1; wherein the guide plate 103 is located at the lower end of the discharge hole 102; a cutting device for cutting the compressed pellet fuel; a guide tube 7 connected to the guide plate 103, one end of the guide tube 7 is connected to an air supply member, and the other end of the guide tube 7 is directed toward the discharge hole 102, for blowing the cut pellet fuel to slide; wherein the end of the guide plate 103 away from the guide tube 7 is arranged in an arc shape;

[0030] When using the device, the crushed granular fuel is added to the existing compression molding machine 1 for compression molding, and the compressed granular fuel is extruded through the discharge hole 102 on the discharge plate 101;

[0031] By arranging the guide plate 103 just below the discharge hole 102, the pellet fuel can be prevented from falling directly, thereby preventing the pellet fuel from being loose.

[0032] The particle fuel can be cut off by the provided cutting device;

[0033] By providing the guide tube 7, after the pellet fuel is cut, the pellet fuel can be blown to roll on the guide plate 103. When it slides to the inclined end of the guide plate 103, it can move downward and roll. During the rolling process, the heat dissipation of the pellet fuel can be improved, thereby facilitating the cooling of the pellet fuel.

[0034] The cutting device includes: an adjustment frame 2 fixedly connected to the compression molding machine 1; a cutting frame 3 slidably connected to the adjustment frame 2; wherein the cutting frame 3 is fixedly connected to a cutting blade 302; a drive motor 4 fixedly connected to the adjustment frame 2; and a reciprocating screw rod 401 fixedly connected to the output end of the drive motor 4; wherein the cutting frame 3 is threadedly connected to the reciprocating screw rod 401.

[0035] When the driving motor 4 is working, it drives the reciprocating screw rod 401 to rotate. At this time, the cutting frame 3 is threadedly connected and guided by the adjusting frame 2, so that the cutting frame 3 moves up and down, thereby driving the cutting blade 302 to cut and shape the granular fuel.

[0036] The cutting frame 3 is fixedly connected to a sliding seat 301, and the sliding seat 301 is slidably connected to the adjusting frame 2;

[0037] The sliding seat 301 is provided to facilitate guiding the sliding direction of the cutting frame 3 .

[0038] An adjusting spring 201 is sleeved on the adjusting frame 2, and the two ends of the adjusting spring 201 are fixedly connected to the sliding seat 301 and the adjusting frame 2 respectively. Through the setting of the adjusting spring 201, the adjusting spring 201 can squeeze the sliding seat 301, so that the connection between the cutting frame 3 and the reciprocating screw rod 401 is tighter.

[0039] The reciprocating screw 401 is rotatably connected to a connecting frame 402, the lower end of the connecting frame 402 is fixedly connected to a piston rod 501, the cutting frame 3 is fixedly connected to a piston seat 5, the piston rod 501 is slidably connected to the piston seat 5, and an upper piston chamber 502 is provided in the piston seat 5. The upper piston chamber 502 is connected to an upper air outlet 5021 and an upper air inlet 5022, and the upper air outlet 5021 is connected to the guide tube 7;

[0040] One-way valves are provided on the upper air outlet 5021 and the upper air inlet 5022;

[0041] When the cutting frame 3 moves up and down, the cutting frame 3 drives the piston seat 5 to move up and down, thereby causing the piston seat 5 and the piston rod 501 to move relative to each other:

[0042] When the piston seat 5 moves upward, that is, after the cutting blade 302 completes the cutting, the gas in the piston upper chamber 502 is discharged through the upper gas outlet 5021 and discharged to the guide branch pipe 701 through the guide pipe 7, which can blow and guide the formed granular fuel;

[0043] When the piston seat 5 moves downward, that is, when the cutting blade 302 starts cutting, the gas in the piston upper chamber 502 is replenished through the upper air inlet 5022 .

[0044] The guide tube 7 is connected to a plurality of guide branch tubes 701 to facilitate the discharge of gas in the guide tube 7 and to facilitate the blowing of the granular fuel.

[0045] A piston lower chamber 503 is provided in the piston seat 5, and a lower air outlet 5031 and a lower air inlet 5032 are connected to the piston lower chamber 503. A suction pipe 504 is provided on the cutting frame 3, and the lower end of the suction pipe 504 faces the discharge hole 102, and the suction pipe 504 is connected to the lower air inlet 5032.

[0046] When the piston seat 5 moves upward, that is, after the cutting blade 302 completes cutting, the piston lower chamber 503 will extract the crushed granular raw materials remaining during cutting by the cutting blade 302 through the lower air inlet 5032 and the suction pipe 504, and store them in the piston lower chamber 503;

[0047] When the piston seat 5 moves downward, that is, when the cutting blade 302 starts cutting, the granular raw materials remaining in the piston lower chamber 503 will be discharged from the piston lower chamber 503 through the lower air outlet 5031 .

[0048] The guide plate 103 is hollowed out to facilitate heat dissipation of the particle fuel.

[0049] The lower end of the guide plate 103 is rotatably connected to the buffer frame 6, and the buffer frame 6 is fixedly connected to the arc shaft 602. The base is fixedly connected to the arc cylinder 603. The arc shaft 602 is slidably connected in the arc cylinder 603. The arc cylinder 603 is connected to the arc outlet pipe 604. The end of the arc outlet pipe 604 away from the arc cylinder 603 is fixedly connected to the guide plate 103, and the arc outlet pipe 604 faces the guide plate 103. The guide plate 103 and the buffer frame 6 are connected by an elastic drawstring 605; the sponge plate 601 is fixedly connected to the buffer frame 6;

[0050] When the granular fuel is discharged from the guide plate 103, it will fall onto the sponge plate 601 to prevent the granular fuel from being damaged;

[0051] When the pellet fuel falls onto the guide plate 103, the elastic pull rope 605 will squeeze the buffer rack 6 to rotate downward, causing the buffer rack 6 to be tilted, thereby causing the pellet fuel to slow down and roll to be collected.

[0052] The buffer frame 6 drives the arc-shaped shaft 602 to squeeze the gas in the arc-shaped cylinder 603, and the gas is discharged from the arc-shaped gas outlet pipe 604 and blown toward the guide plate 103, so as to facilitate the heat dissipation of the particle fuel.

[0053] Example 2:

[0054] Reference Figure 1-6 A compression molding device for producing biomass pellet fuel. When using this device, the crushed pellet fuel is added to the existing compression molding machine 1 for compression molding, and the compressed pellet fuel is extruded through the discharge hole 102 on the discharge plate 101;

[0055] By arranging the guide plate 103 just below the discharge hole 102, the pellet fuel can be prevented from falling directly, thereby preventing the pellet fuel from being loose.

[0056] When the driving motor 4 is working, it drives the reciprocating screw rod 401 to rotate. At this time, the cutting frame 3 is threadedly connected and guided by the adjusting frame 2, so that the cutting frame 3 moves up and down, thereby driving the cutting blade 302 to cut and shape the granular fuel.

[0057] The guide tube 7 is provided so that after the pellet fuel is cut, the pellet fuel can be blown to roll on the guide plate 103. When the pellet fuel slides to the inclined end of the guide plate 103, the pellet fuel can move downward and roll. During the rolling process, the heat dissipation of the pellet fuel can be improved, thereby facilitating the cooling of the pellet fuel.

[0058] When the cutting frame 3 moves up and down, the cutting frame 3 drives the piston seat 5 to move up and down, thereby causing the piston seat 5 and the piston rod 501 to move relative to each other:

[0059] When the piston seat 5 moves upward, that is, after the cutting blade 302 completes the cutting, the gas in the piston upper chamber 502 is discharged through the upper gas outlet 5021 and discharged to the guide branch pipe 701 through the guide pipe 7, which can blow and guide the formed granular fuel;

[0060] When the piston seat 5 moves downward, that is, when the cutting blade 302 starts cutting, the gas in the piston upper chamber 502 is replenished through the upper air inlet 5022;

[0061] When the piston seat 5 moves upward, that is, after the cutting blade 302 completes cutting, the piston lower chamber 503 will extract the crushed granular raw materials remaining during cutting by the cutting blade 302 through the lower air inlet 5032 and the suction pipe 504, and store them in the piston lower chamber 503;

[0062] When the piston seat 5 moves downward, that is, when the cutting blade 302 starts cutting, the granular raw materials remaining in the piston lower chamber 503 will be discharged through the lower air outlet 5031;

[0063] When the granular fuel is discharged from the guide plate 103, it will fall onto the sponge plate 601 to prevent the granular fuel from being damaged;

[0064] When the pellet fuel falls onto the guide plate 103, the elastic pull rope 605 will squeeze the buffer rack 6 to rotate downward, causing the buffer rack 6 to be tilted, thereby causing the pellet fuel to slow down and roll to be collected.

[0065] The buffer frame 6 drives the arc-shaped shaft 602 to squeeze the gas in the arc-shaped cylinder 603, and the gas is discharged from the arc-shaped outlet pipe 604 and blown to the guide plate 103, thereby facilitating the heat dissipation of the pellet fuel.

[0066] The present invention provides the guide plate 103 to prevent the pellet fuel from being damaged during the falling process after being cut, and can blow the pellet fuel to facilitate the rolling of the pellet fuel, while also dissipating the heat of the pellet fuel and improving the stability of the pellet fuel molding.

[0067] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A compression molding device for producing biomass pellet fuel, characterized in that: include: A compression molding machine (1) fixedly connected to the base; The compression molding machine (1) is provided with a discharge plate (101), and the discharge plate (101) is provided with a discharge hole (102) that communicates with the compression molding machine (1); A material guide plate (103) fixedly connected to the compression molding machine (1); Wherein, the material guide plate (103) is located at the lower end of the discharge hole (102); A cutting device for cutting the compressed granular fuel; A guide tube (7) connected to the guide plate (103), one end of the guide tube (7) being connected to an air supply member, and the other end of the guide tube (7) being directed toward the discharge hole (102) for blowing the cut granular fuel to slide; Wherein, the end of the guide plate (103) away from the guide tube (7) is arranged in an arc shape; The cutting device comprises: An adjustment frame (2) fixedly connected to the compression molding machine (1); A cutting frame (3) slidably connected to the adjusting frame (2); Wherein, a cutting blade (302) is fixedly connected to the cutting frame (3); A drive motor (4) fixedly connected to the adjustment frame (2); a reciprocating screw (401) fixedly connected to the output end of the drive motor (4); Wherein, the cutting frame (3) is threadably connected to the reciprocating screw rod (401); A sliding seat (301) is fixedly connected to the cutting frame (3), and the sliding seat (301) is slidably connected to the adjusting frame (2); An adjusting spring (201) is sleeved on the adjusting frame (2), and two ends of the adjusting spring (201) are respectively fixedly connected to the sliding seat (301) and the adjusting frame (2); The reciprocating screw (401) is rotatably connected to a connecting frame (402), the lower end of the connecting frame (402) is fixedly connected to a piston rod (501), the cutting frame (3) is fixedly connected to a piston seat (5), the piston rod (501) is slidably connected to the piston seat (5), an upper piston chamber (502) is provided in the piston seat (5), an upper air outlet (5021) and an upper air inlet (5022) are connected to the upper piston chamber (502), and the upper air outlet (5021) is communicated with the guide tube (7); The guide tube (7) is connected to a plurality of guide branch tubes (701); A piston lower chamber (503) is provided in the piston seat (5), and a lower air outlet (5031) and a lower air inlet (5032) are connected to the piston lower chamber (503). A suction pipe (504) is provided on the cutting frame (3), and the lower end of the suction pipe (504) faces the discharge hole (102), and the suction pipe (504) is connected to the lower air inlet (5032).

2. The compression molding device for producing biomass pellet fuel according to claim 1, characterized in that: The material guide plate (103) is hollowed out.

3. The compression molding device for producing biomass pellet fuel according to claim 2, characterized in that: The lower end of the guide plate (103) is rotatably connected to a buffer frame (6), an arc-shaped shaft (602) is fixedly connected to the buffer frame (6), an arc-shaped cylinder (603) is fixedly connected to the base, the arc-shaped shaft (602) is slidably connected in the arc-shaped cylinder (603), and the arc-shaped cylinder (603) is connected to an arc-shaped air outlet pipe (604), one end of the arc-shaped air outlet pipe (604) away from the arc-shaped cylinder (603) is fixedly connected to the guide plate (103), and the arc-shaped air outlet pipe (604) faces the guide plate (103), and the guide plate (103) and the buffer frame (6) are connected via an elastic drawstring (605).

4. The compression molding device for producing biomass pellet fuel according to claim 3, characterized in that: A sponge plate (601) is fixedly connected to the buffer frame (6).

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