Biomass fine powder spiral screening machine

Abstract

The utility model relates to the technical field of biomass fine powder processing, and discloses a biomass fine powder spiral screening machine which comprises a shell, a first motor is fixedly connected to the left side surface of the shell, a spiral conveying rod is fixedly connected to the output end of the first motor, and a screening mechanism is arranged on the lower surface of the shell. A material drying mechanism is arranged on the upper surface of the shell; the first motor drives the spiral conveying pipe to convey materials, the screen plate screens fine powder and crushed materials in the materials, the screen plate can be detached by unscrewing the fixing bolt, the crushed materials which are not discharged through the discharging pipe on the surface of the screen plate can be conveniently cleaned, and the materials are dried through the heating pipe when passing through the spiral pipe in the material drying mechanism. The situation that the fine powder is agglomerated due to damp and cannot be normally screened is avoided; and the second motor drives the rotating disc to rotate, the sliding rod drives the spiral pipe to reciprocate left and right to form vibration, it is guaranteed that materials pass through smoothly, agglomerated fine powder can be scattered, and the drying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomass fine powder processing, and specifically relates to a biomass fine powder spiral screen machine. BACKGROUND

[0002] In the process of biomass energy utilization, the screening of biomass fine powder is an important link; biomass fine powder is usually derived from agricultural waste, such as leftover material and waste produced during wood processing, which is obtained after pretreatment such as crushing;

[0003] The screening equipment in the prior art can meet the screening requirements of wood powder, but during the screening process, the qualified products are fed into the next process, and the unqualified products often remain in the screening equipment, which requires manual shutdown and regular cleaning to prevent too many unqualified products from remaining, thereby reducing the screening efficiency of the screening equipment and causing the equipment to operate beyond the design parameters, affecting the service life of the equipment.

[0004] A novel wood powder drum screen (authorized publication number CN205816161U) is disclosed in a Chinese patent, which can recover and clean the unqualified products by negative pressure according to the height of the material level in the drum while filtering the wood powder, ensure that there are no excess unqualified products in the drum, affect the rotation speed of the drum screen and the filtering quality, and has simple equipment structure, high filtering efficiency and low production cost;

[0005] However, it has certain disadvantages: if the fine powder in the material is in a damp state, it is easy to form agglomeration, and these agglomerated fine powders are not easy to be effectively separated by the gauze during the screening process, which greatly reduces the screening efficiency, and the damp fine powder is more likely to adhere to the surface of the gauze, which can easily cause the gauze to be blocked after a long time of accumulation. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a biomass fine powder spiral screen machine to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A biomass fine powder spiral screen machine, comprising a shell, a feeding pipe and a discharging pipe are fixedly connected to the left end of the upper surface and the right end of the lower surface of the shell and communicate with the interior of the shell, and a motor one is fixedly connected to the left surface of the shell, the output end of the motor one is fixedly connected with a spiral conveying rod, and a screening mechanism is arranged on the lower surface of the shell.

[0009] An oven mechanism is arranged on the upper surface of the shell, the oven mechanism comprises a spiral pipe, a heating pipe is fixedly connected to the inner surface of the spiral pipe, and a material guiding mechanism is arranged outside the lower end of the spiral pipe.

[0010] As a further scheme of the utility model: the screening mechanism includes sieve plate, the lower surface left and right ends of sieve plate are all fixedly connected with fixed block, the lower surface of fixed block is movably penetrated and is connected with fixed pin.

[0011] As a further scheme of the utility model: the material following mechanism includes support plate, the rear surface of support plate is fixedly connected with motor two, the output end of motor two is fixedly connected with rotating disc, the front surface outer side edge of rotating disc is rotatably connected with rotating rod, the left end of rotating rod is rotatably connected with sliding rod, the outside of sliding rod is slidably connected with sliding block, and the left end of sliding rod is fixedly connected with L-shaped plate.

[0012] As a further scheme of the utility model: the right end of spiral conveying rod is rotatably connected to the inside right surface of shell, and the lower end of spiral pipe is movably located in the inside of feeding pipe.

[0013] As a further scheme of the utility model: the sieve plate movably penetrates the lower surface of shell, the upper surface of sieve plate is flush with the inside lower surface of shell, and the lower surface of sieve plate is flush with the lower surface of shell, and the upper end of fixed pin is threadedly connected to the lower surface of shell.

[0014] As a further scheme of the utility model: the lower end of support plate and sliding block is fixedly connected to the upper surface of shell, and the upper end of L-shaped plate is fixedly connected to the outside of spiral pipe.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、 the utility model discloses a spiral conveying pipe is driven to send to convey material by motor one, and the sieve plate is screened to fine powder and crushed material in material, and the sieve plate can be disassembled by unscrewing the fixed pin, so that the surface of the sieve plate is convenient to clean up and the crushed material that is not discharged through the discharge pipe.

[0017] 2、 the utility model discloses a material drying mechanism, when the material passes through the spiral pipe in the material drying mechanism, the heating pipe is used for drying, so that the fine powder in the material can not be normally screened because of dampness and agglomeration, and the rotating disc is driven to rotate by motor two, the spiral pipe is driven to reciprocate left and right by the sliding rod and forms vibration, which not only ensures the smooth passing of the material, but also disperses the agglomerated fine powder, thereby improving the drying efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a kind of biomass fine powder spiral screen machine structure schematic view;

[0019] Figure 2 It is a kind of biomass fine powder spiral screen machine cut view of shell;

[0020] Figure 3 It is a kind of biomass fine powder spiral screen machine structure schematic view of screening mechanism.

[0021] Figure 4 It is a kind of biomass fine powder spiral screen machine in the structure schematic view of material drying mechanism;

[0022] Figure 5 It is a kind of biomass fine powder spiral screen machine in the structure schematic view of material drying mechanism.

[0023] In the figure: 1, shell; 2, feed pipe; 3, discharge pipe; 4, motor one; 5, spiral conveying rod; 6, screening mechanism; 7, sieve plate; 8, fixed block; 9, fixed bolt; 10, material drying mechanism; 11, spiral pipe; 12, heating pipe; 13, material straightening mechanism; 14, support plate; 15, motor two; 16, rotating disc; 17, rotating rod; 18, sliding rod; 19, sliding block; 20, L-shaped plate. DETAILED DESCRIPTION

[0024] Please refer to Figures 1 to 3 , the utility model discloses a kind of biomass fine powder spiral screen machine, including shell 1, the upper surface left end of shell 1 and lower surface right end are fixedly connected with the feed pipe 2 and discharge pipe 3 that are communicated in the inside of shell 1, and the left side surface of shell 1 is fixedly connected with motor one 4, the output end of motor one 4 is fixedly connected with spiral conveying rod 5, the right end of spiral conveying rod 5 is rotatably connected to the inside right side surface of shell 1, the lower surface of shell 1 is provided with screening mechanism 6, and screening mechanism 6 includes sieve plate 7, sieve plate 7 movably penetrates the lower surface of shell 1, the upper surface of sieve plate 7 is flush with the inside lower surface of shell 1, and the lower surface of sieve plate 7 is flush with the lower surface of shell 1, the lower surface of sieve plate 7 is fixedly connected with fixed block 8, and the lower surface of fixed block 8 is movably connected with fixed bolt 9, and the upper end of fixed bolt 9 is threadedly connected to the lower surface of shell 1;

[0025] Feed pipe 2 is used for the discharge of material (biomass fine powder and the broken material therein);

[0026] Discharge pipe 3 is used for the discharge of biomass broken material;

[0027] Sieve plate 7 is used for screening, so that fine powder passes through, and broken material is left on the surface;

[0028] Loosen fixed bolt 9 can disassemble sieve plate 7, to facilitate the cleaning of biomass broken material remaining on the surface which does not pass through discharge pipe 3 and is discharged;

[0029] Spiral conveying rod 5 is used for conveying material from left to right.

[0030] In Figure 1 , Figure 4 And Figure 5The upper surface of the shell 1 is provided with a material drying mechanism 10, the material drying mechanism 10 comprises a spiral pipe 11, the lower end of the spiral pipe 11 movably locates in the inside of the feeding pipe 2, the inside surface of the spiral pipe 11 is fixedly connected with a heating pipe 12, and the lower end of the spiral pipe 11 is externally provided with a material guiding mechanism 13, the material guiding mechanism 13 comprises a supporting plate 14, the rear surface of the supporting plate 14 is fixedly connected with a motor two 15, the output end of the motor two 15 is fixedly connected with a rotating disc 16, the front surface of the rotating disc 16 is rotatably connected with a rotating rod 17 at the outer side edge, the left end of the rotating rod 17 is rotatably connected with a sliding rod 18, the outside of the sliding rod 18 is slidably connected with a sliding block 19, the lower ends of the supporting plate 14 and the sliding block 19 are fixedly connected to the upper surface of the shell 1, and the left end of the sliding rod 18 is fixedly connected with an L-shaped plate 20, and the upper end of the L-shaped plate 20 is fixedly connected to the outside of the spiral pipe 11.

[0031] The spiral pipe 11 is a multiple S-shaped pipe spiraling from top to bottom, the contact time with the material can be increased, the material first enters the inside, and then is discharged into the inside of the feeding pipe 2.

[0032] The heating pipe 12 is used for drying the material, so that the fine powder in the material cannot be normally screened due to being in an agglomerated state caused by damp.

[0033] The heating pipe 12 is preferably an electric heating pipe.

[0034] The motor two 15 is provided with a brake, that is, the motor shaft cannot rotate after power-off.

[0035] The rotating disc 16 is rotatable, the rotating rod 17 can drive the sliding rod 18 to reciprocatingly move left and right, so as to drive the spiral pipe 11 to reciprocatingly move left and right to form vibration, the smooth passing of the material is ensured, and the agglomerated fine powder can be dispersed, and the drying efficiency is improved.

[0036] When the spiral pipe 11 moves to the leftmost end or the rightmost end, the inside wall of the feeding pipe 2 is not contacted.

[0037] The working principle of the utility model is as follows: the material (biomass fine powder and the broken material) is conveyed into the spiral pipe 11, the material is dried by the heating pipe 12 during descending along the spiral pipe 11, and finally is conveyed into the inside of the shell 1 through the feeding pipe 2; at the same time, the motor two 15 drives the rotating disc 16 to rotate, so that the rotating rod 17 drives the sliding rod 18 to reciprocatingly move left and right, so as to drive the spiral pipe 11 to reciprocatingly move left and right to form vibration, so that the material smoothly descends; the material entering the shell 1 is conveyed to the right under the action of the spiral conveying rod 5, when passing through the sieve plate 7, the fine powder falls through the sieve hole, the broken material is on the surface of the sieve plate 7 and continues to convey to the right, and finally is discharged through the discharging pipe 3; the staff can unscrew the fixing bolt 9 to dismount the sieve plate 7, and clean the broken material remaining on the surface.

[0038] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, and any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

[0039] In the description of the present application, it should be explained that, unless explicitly defined and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A biomass fine powder spiral screener, comprising a shell (1), the upper surface left end and the lower surface right end of the shell (1) are fixedly connected with a feeding pipe (2) and a discharging pipe (3) which are communicated with the inside of the shell (1), and the left surface of the shell (1) is fixedly connected with a motor one (4), the output end of the motor one (4) is fixedly connected with a spiral conveying rod (5), and the lower surface of the shell (1) is provided with a screening mechanism (6). characterized in that The upper surface of the shell (1) is provided with a material drying mechanism (10), the material drying mechanism (10) comprises a spiral pipe (11), the inner surface of the spiral pipe (11) is fixedly connected with a heating pipe (12), and the lower end of the spiral pipe (11) is provided with a material guiding mechanism (13) outside.

2. A biomass fine powder screw screen according to claim 1, characterized in that, The screening mechanism (6) comprises a screen plate (7), the lower surface left and right ends of the screen plate (7) are fixedly connected with fixed blocks (8), and the lower surface of the fixed block (8) is movably penetrated and connected with a fixed bolt (9).

3. The biomass fine powder screw screen according to claim 1, characterized in that, The material guiding mechanism (13) comprises a support plate (14), the rear surface of the support plate (14) is fixedly connected with a motor two (15), the output end of the motor two (15) is fixedly connected with a rotating disc (16), the front surface outside edge of the rotating disc (16) is rotatably connected with a rotating rod (17), the left end of the rotating rod (17) is rotatably connected with a sliding rod (18), the outside of the sliding rod (18) is slidably connected with a sliding block (19), and the left end of the sliding rod (18) is fixedly connected with an L-shaped plate (20).

4. The biomass fine powder screw screen according to claim 1, wherein, The right end of the spiral conveying rod (5) is rotatably connected with the inside right surface of the shell (1), and the lower end of the spiral pipe (11) is movably located in the inside of the feeding pipe (2).

5. A biomass fine powder screw screen according to claim 2, wherein The screen plate (7) movably penetrates the lower surface of the shell (1), the upper surface of the screen plate (7) is flush with the inside lower surface of the shell (1), the lower surface of the screen plate (7) is flush with the lower surface of the shell (1), and the upper end of the fixed bolt (9) is threadedly connected with the lower surface of the shell (1).

6. A biomass fine powder screw screen according to claim 3, wherein The lower ends of the support plate (14) and the sliding block (19) are fixedly connected with the upper surface of the shell (1), and the upper end of the L-shaped plate (20) is fixedly connected with the outside of the spiral pipe (11).

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