A raw material sorting device for RDF fuel rod production

Abstract

The utility model relates to the field of fuel production technology, and discloses a raw material classification device for RDF fuel rod production, including a processing chamber, in which a drainage component, a drying component and a vibrating screen are arranged, and a flexible filter screen is also movably suspended in the processing chamber. After drainage, drying and vibration, the moisture and impurities in the garbage are reduced, and the combustibility of the garbage is greatly enhanced. The flexible filter screen changes its shape by utilizing its soft characteristics, and abuts and cooperates with the drainage component, the drying component and the screening component respectively (similar to putting on a garbage bag). It is convenient to concentrate the garbage during the drainage process, and when drying and screening, the flexible filter screen can be reversely unfolded to spread the garbage flat, which has the opposite effect to that during drainage, so as to fully dry the garbage and screen out impurities. The present application has the effect of separating the combustible raw materials required for RDF fuel rods from high-humidity mixed urban garbage at one time.

Description

Technical Field

[0001] The utility model relates to the field of fuel production technology, in particular to a raw material classification device for RDF fuel rod production. Background Art

[0002] RDF is the abbreviation of Refuse Derived Fuel. It is a solid fuel made from combustible waste such as waste leather products, waste textiles, waste paper, and traditional Chinese medicine residues. It has the characteristics of uniform particle size, high calorific value, stable combustion, easy transportation, easy storage, low secondary pollution and low dioxin emissions. It is a cleaner and more climate-friendly fuel than oil and coal.

[0003] The existing RDF fuel raw material preparation method can refer to the patent document with publication number CN106824976A. The above patent document discloses a method for preparing derivative fuel RDF raw materials, bio-organic fertilizer raw materials and inorganic building materials raw materials using garbage as raw materials. The method uses sorting and crushing, drum screening, and biological fermentation and dehydration technology to separate high-humidity mixed urban garbage into three raw materials at one time to meet the raw material needs of the three products of RDF derivative fuel, inorganic building materials, and bio-organic fertilizer.

[0004] However, the above patent document only mentions the use of a special drum screen to screen the garbage, and does not disclose a specific screening and classification device. Utility Model Content

[0005] In order to separate the combustible raw materials required for RDF fuel rods from high-humidity mixed urban garbage, the present application provides a raw material sorting device for RDF fuel rod production.

[0006] The present application provides a raw material sorting device for RDF fuel rod production, which adopts the following technical solution:

[0007] A raw material sorting device for RDF fuel rod production, comprising a processing chamber, wherein a drainage component, a drying component and a vibrating screen are arranged in the processing chamber, and a flexible filter screen is also movably suspended in the processing chamber;

[0008] The drain assembly is used to squeeze out liquid from the garbage;

[0009] The drying component is used for drying garbage;

[0010] The vibrating screen is used to filter the slag in the garbage;

[0011] The flexible filter screen can change its shape and be respectively attached to the surface of the drainage component, the drying component and the screening component.

[0012] By adopting the above technical solution, a flexible filter is movably suspended above the processing chamber, and the garbage to be processed is placed in the flexible filter. The flexible filter can play a role in transportation between the draining component, the drying component and the screening component, and by changing its form (tightening or unfolding), it cooperates with the draining component, the drying component and the screening component respectively (similar to putting on a garbage bag). During the draining process, the flexible filter is tightened to facilitate the concentrated squeezing of the garbage; while during drying and screening, the flexible filter can be unfolded and spread out to facilitate the full drying of the garbage and the screening of impurities. After being processed by the above device, the combustible raw materials required for RDF fuel rods can be separated from the high-humidity mixed urban garbage.

[0013] Furthermore, a slide rail is provided on the top wall of the processing chamber, and the flexible filter screen includes a connecting part, a mesh surface and a plurality of suspension cables, the connecting part is slidably connected to the slide rail, and the plurality of suspension cables are installed at intervals on the non-porous part of the edge of the mesh surface, and a winch is fixedly installed on the connecting part, the winch corresponds to the suspension cables one by one, and one end of the suspension cable away from the mesh surface is wound around the winch.

[0014] By adopting the above technical solution, multiple suspension cables are arranged at intervals on the edge of the mesh surface, and the flexible filter screen is slidably connected to the slide rail through the connection part provided with a winch. The slide rail cooperates with the winch to realize the horizontal sliding and vertical lifting of the flexible filter screen. When the flexible filter screen contacts each component, the bottom is supported and the suspension cables lose tension and become loose. The winch can be unwound to fully spread the mesh surface of the flexible filter screen.

[0015] Furthermore, the slide rail is annular, and the drain assembly, the drying assembly and the vibrating screen are distributed in a triangular shape.

[0016] By adopting the above technical solution, the slide rail is set in a ring shape, and the drain assembly, drying assembly, and vibration assembly are distributed in a triangular shape in the processing room. After draining, drying, and vibration, the empty flexible filter screen that has been unloaded can continue to move forward and return to the top of the drain assembly, which is convenient for forming an assembly line. Compared with a linear slide rail, it can shorten the stroke and does not require reciprocating sliding.

[0017] Furthermore, the flexible filter screens are provided in three groups.

[0018] By adopting the above technical solution, three groups of flexible filters are set to correspond to the drainage component, the drying component, and the vibration component respectively, so as to avoid equipment idleness as much as possible, so that the three treatments can be carried out simultaneously, thereby improving the garbage disposal efficiency.

[0019] Furthermore, the drain assembly includes a hollow base and a rolling piece, a bowl-shaped groove is provided in the center of the hollow base, the mesh surface can fit onto the inner wall of the bowl-shaped groove, and the rolling piece can apply pressure to the hollow base to squeeze out garbage.

[0020] By adopting the above technical solution, a hollow base with a bowl-shaped groove is provided to cooperate with a rolling element as a drainage component. The flexible filter supports the garbage and is placed in the bowl-shaped groove. The rolling element removes most of the water in the urban wet garbage by applying pressure. The concave bowl-shaped groove helps to concentrate the garbage and facilitate the collection of water; the hollow base facilitates liquid discharge.

[0021] Furthermore, the rolling part is a ball bearing, and the ball bearing is rotatably arranged above the hollow base.

[0022] By adopting the above technical solution, a ball bearing is set as a rolling member, and the rotation of the ball bearing can continuously roll and roll the garbage, fully remove the flowing water in the garbage, and significantly reduce the water content.

[0023] Furthermore, the rolling member is a vibrating hammer.

[0024] By adopting the above technical solution, a vibrating hammer is set as a rolling piece, and the vibrating hammer quickly hammers the garbage, which can generate a huge impact force, thereby quickly and efficiently squeezing out the water in the garbage.

[0025] Furthermore, the drying component includes a drying table, the table top of the drying table is a convex spherical surface, and the drying table is connected to a heating device.

[0026] By adopting the above technical solution, a drying table with a convex spherical table top is set up, and the heating equipment heats up the drying table to further dry the liquid components that cannot be squeezed out of the garbage; the upwardly protruding convex spherical surface abuts against the flexible filter screen containing the garbage, and the flexible filter screen is spread out on the drying table, so that the garbage can be fully spread out and reduce mutual obstruction, which is conducive to obtaining a better drying effect and has a completely opposite effect to the previous draining.

[0027] Furthermore, air holes are opened on the surface of the drying table, and an exhaust device is provided inside the drying table.

[0028] By adopting the above technical solution, air holes are opened on the surface of the drying table and an exhaust device is installed, which can absorb the odor emitted when the garbage is dried. While effectively deodorizing, it can also accelerate the air flow and further improve the drying efficiency.

[0029] Furthermore, the mesh surface is woven from steel wires.

[0030] By adopting the above technical solution, the steel wire is a flexible material and has the advantages of strong mechanical strength and bearing capacity. The mesh surface of the flexible filter woven with steel wire can enhance the bearing capacity and improve the durability.

[0031] In summary, the present application includes at least one of the following beneficial technical effects:

[0032] 1. The flexible filter is suspended to cooperate with the drain component, drying component, and screening component to process high-humidity urban garbage, which greatly enhances the flammability of raw materials. The flexible filter can load and transport garbage between the drain component, drying component, and screening component, and by changing its form (tightening or unfolding), it can be abutted and matched with the drain component, drying component, and screening component respectively (similar to putting on a garbage bag). It is convenient to concentrate and squeeze the garbage during the draining process, and when drying and screening, the flexible filter can be unfolded in the opposite direction to spread the garbage flat, so as to fully dry the garbage and screen out impurities.

[0033] 2. By setting up an annular slide rail for the flexible filter to slide, and setting up a winch and a suspension cable, the horizontal sliding and vertical lifting of the flexible filter can be achieved; the drainage component, the drying component and the vibrating screen are distributed in a triangular shape, and three groups of flexible filters are set up for unidirectional transmission between the components, so as to form an assembly line and improve the garbage treatment efficiency.

[0034] 3. By setting a hollow base with a bowl-shaped groove in cooperation with the rolling part, and setting a drying table with a convex spherical surface, the flexible filter is easily deformed according to the surface morphology of the support, so that the garbage is concentrated during drainage and fully spread out during drying. According to the characteristics of different processing steps, the flexible filter can achieve two completely opposite effects during drainage and drying. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of a raw material classification device for RDF fuel rod production according to an embodiment of the present application.

[0036] Figure 2 It is a schematic diagram of the flexible filter structure.

[0037] Figure 3 This is a schematic diagram of the drainage component structure. (The flexible filter is not shown)

[0038] Figure 4 It is a schematic diagram of the drying component structure.

[0039] Description of reference numerals:

[0040] 1. Processing chamber; 2. Drainage assembly; 21. Hollow base; 211. Bowl-shaped groove; 22. Ball bearing; 221. Ball; 222. Rotating shaft; 3. Drying assembly; 31. Drying table; 311. Air hole; 32. Exhaust equipment; 4. Vibrating screen; 5. Flexible filter; 51. Connecting part; 52. Mesh surface; 53. Suspension cable; 54. Winch; 6. Slide rail. DETAILED DESCRIPTION

[0041] The following is combined with Figure 1-4 The technical solution of this application is described clearly and completely.

[0042] The embodiment of the present application discloses a raw material sorting device for RDF fuel rod production.

[0043] Reference Figure 1 A raw material sorting device for RDF fuel rod production includes a processing chamber 1, in which a drainage component 2, a drying component 3 and a vibrating screen 4 are arranged, and a flexible filter screen 5 is also movably suspended in the processing chamber 1. After drainage, drying and vibration, the moisture and impurities in the garbage are reduced, and the combustibility of the garbage is greatly enhanced, so that the combustible raw materials required for RDF fuel rods can be separated from high-humidity mixed urban garbage at one time.

[0044] The flexible filter 5 can change its shape by using its softness to respectively abut against the drain component 2, the drying component 3 and the screening component (similar to putting on a garbage bag). It is convenient to concentrate and squeeze the garbage during the draining process, and when drying and screening, the flexible filter 5 can be unfolded in the opposite direction to spread the garbage flat, which has the opposite effect of draining, so as to fully dry the garbage and screen out impurities.

[0045] Reference Figure 1 , the drain component 2, the drying component 3 and the vibrating screen 4 are distributed in the processing chamber 1 in a triangular shape, and are respectively located at a corner point of an equilateral triangle. A slide rail 6 is provided in the center of the top wall of the processing chamber 1, and a flexible filter screen 5 is hung under the slide rail 6, so as to realize the transfer of garbage between the drain component 2, the drying component 3 and the vibrating screen 4. The slide rail 6 is preferably an annular electric slide rail 6, and there are three groups of flexible filter screens 5. After draining, drying and vibrating in sequence, the unloaded empty flexible filter screen 5 can continue to move forward and return to the top of the drain component 2, so as to form an assembly line. Compared with the linear slide rail 6, it can shorten the stroke and does not require reciprocating sliding. The three groups of flexible filter screens 5 are provided to correspond to the drain component 2, the drying component 3 and the vibrating component respectively, so as to avoid equipment idleness as much as possible, so that the three treatments can be carried out simultaneously, thereby improving the garbage treatment efficiency.

[0046] Reference Figure 2 The flexible filter screen 5 includes a connecting portion 51 and a mesh surface 52. The connecting portion 51 is slidably connected to the slide rail 6, and winches 54 are fixedly installed at the four corners of the connecting portion 51. The rectangular mesh surface 52 is woven from steel wire and is used to load garbage. Steel wire is a flexible material and has the advantages of mechanical strength and strong bearing capacity. The mesh surface 52 of the flexible filter screen 5 woven with steel wire can enhance the bearing capacity and improve durability. A suspension cable 53 is connected between the non-porous part of the edge corner of the mesh surface 52 and the winch 54, and the suspension cable 53 is wound on the winch 54 one by one. The slide rail 6 cooperates with the winch 54 to realize the horizontal sliding and vertical lifting of the flexible filter screen 5.

[0047] Reference Figure 1-Figure 3The drain assembly 2 includes a hollow base 21 and a rolling part. A bowl-shaped groove 211 is provided in the center of the hollow base 21. The mesh surface 52 filled with garbage can fit the inner wall of the bowl-shaped groove 211. The concave bowl-shaped groove 211 helps to concentrate the garbage and collect water. The collected water flow is then discharged from the hollow base 21. The rolling part preferably has a counterweight block with a large deadweight, which can use its deadweight to apply pressure to the hollow base 21, thereby squeezing out the water in the garbage. In this embodiment, the rolling part is a ball support 22, and the ball support 22 includes a rolling-connected ball 221 and a rotating shaft 222. The rotating shaft 222 is rotatably arranged above the hollow base 21. The rotating shaft 222 rotates to drive the ball 221 to roll along the inner wall of the bowl-shaped groove 211, thereby continuously rolling and crushing the garbage, fully removing the flowing water in the garbage, and significantly reducing the water content of the raw materials of the RDF fuel rods. In other embodiments, the rolling element may also be a vibrating hammer, which can generate a huge impact force by rapidly hammering the garbage, thereby quickly and efficiently squeezing out the moisture in the garbage.

[0048] Reference Figure 4 The drying component 3 includes a drying table 31, and the table surface of the drying table 31 is a convex spherical surface. The drying table 31 is preferably made of a metal material with excellent thermal conductivity. The drying table 31 is connected to a heating device to further dry the liquid components in the garbage that cannot flow independently. The upwardly protruding convex spherical surface abuts against the flexible filter screen 5 containing garbage, and the flexible filter screen 5 is attached to the drying table 31 and unfolded, so that the garbage can also be fully spread out, reducing mutual obstruction, which is conducive to obtaining a better drying effect. The surface of the drying table 31 is provided with air holes 311, and the drying table 31 is provided with an exhaust device 32. The exhaust device 32 is aimed at the air holes 311 to inhale air outwards, which can absorb the odor emitted outward when the garbage is dried. While effectively deodorizing, it can also play a role in accelerating air flow, further improving the drying efficiency.

[0049] The implementation principle of a raw material classification device for RDF fuel rod production is as follows: garbage is loaded onto the mesh surface 52 of the flexible filter 5, the slide rail 6 is started to transport the flexible filter 5 to the top of the drain assembly 2, the winch 54 unwinds the suspension cable 53 to make the mesh surface 52 drop to abut against the hollow base 21, and the garbage is contained in the bowl-shaped groove 211. After being crushed by the ball support 22, the water in the garbage is squeezed out, collected at the bottom of the bowl-shaped groove 211 and discharged.

[0050] Then, the slide rail 6 cooperates with the winch 54 to transport the flexible filter screen 5 to the top of the drying assembly 3, and the mesh surface 52 abuts against the convex spherical drying platform 31, so that the garbage is spread out flat, and the water in the garbage that cannot flow out on its own is dried.

[0051] After drying, the flexible filter screen 5 is transported to the top of the vibrating screen 4, and the mesh surface 52 is in contact with the vibrating screen 4. Under the action of vibration, inorganic substances such as sand and soil are screened out from the dry garbage.

[0052] Finally, what remains in the flexible filter screen 5 is the combustible raw material that can be used for the production of RDF fuel rods.

[0053] The above are all preferred embodiments of the present application. Obviously, the embodiments described above are only preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made by ordinary technicians in this field based on the structure, shape, and principle of the present application without making any creative work should be covered within the protection scope of the present application.

Claims

1. A raw material sorting device for RDF fuel rod production, characterized in that: It comprises a processing chamber (1), wherein a drainage component (2), a drying component (3) and a vibrating screen (4) are arranged in the processing chamber (1), and a flexible filter screen (5) is also movably suspended in the processing chamber (1); The drain assembly (2) is used to squeeze out liquid from the garbage; The drying component (3) is used for drying garbage; The vibrating screen (4) is used to filter the slag in the garbage; The flexible filter (5) can change its shape and fit respectively on the surface of the drainage component (2), the drying component (3) and the screening component.

2. The raw material sorting device for RDF fuel rod production according to claim 1, characterized in that: The top wall of the processing chamber (1) is provided with a slide rail (6), and the flexible filter screen (5) comprises a connecting portion (51), a mesh surface (52) and a plurality of suspension cables (53), wherein the connecting portion (51) is slidably connected to the slide rail (6), and the plurality of suspension cables (53) are installed at intervals on the non-porous portion of the edge of the mesh surface (52), and a winch (54) is fixedly installed on the connecting portion (51), and the winch (54) corresponds to the suspension cables (53) one by one, and one end of the suspension cables (53) away from the mesh surface (52) is wound around the winch (54).

3. The raw material sorting device for RDF fuel rod production according to claim 2, characterized in that: The slide rail (6) is annular, and the drainage component (2), the drying component (3) and the vibrating screen (4) are distributed in a triangular shape.

4. The raw material sorting device for RDF fuel rod production according to claim 3, characterized in that: The flexible filter screens (5) are provided in three groups in total.

5. The raw material sorting device for RDF fuel rod production according to claim 2, characterized in that: The drain assembly (2) comprises a hollow base (21) and a rolling piece, wherein a bowl-shaped groove (211) is provided in the center of the hollow base (21), the mesh surface (52) can be attached to the inner wall of the bowl-shaped groove (211), and the rolling piece can apply pressure to the hollow base (21) to squeeze out garbage.

6. The raw material sorting device for RDF fuel rod production according to claim 5, characterized in that: The rolling part is a ball support (22), and the ball support (22) is rotatably arranged above the hollow base (21).

7. The raw material sorting device for RDF fuel rod production according to claim 5, characterized in that: The rolling part is a vibrating hammer.

8. The raw material sorting device for RDF fuel rod production according to claim 5, characterized in that: The drying component (3) comprises a drying table (31), the table surface of the drying table (31) is a convex spherical surface, and the drying table (31) is connected to a heating device.

9. The raw material sorting device for RDF fuel rod production according to claim 8, characterized in that: The surface of the drying platform (31) is provided with air holes (311), and an exhaust device (32) is provided inside the drying platform (31).

10. The raw material sorting device for RDF fuel rod production according to claim 2, characterized in that: The mesh surface (52) is woven from steel wires.

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