Drum-type drying and screening equipment for producing organic fertilizer
By designing a drum-type drying screening equipment that combines a cylindrical screen and annular flange, the problems of low functionality of existing equipment and easy mixing of organic fertilizers are solved, and multi-stage screening and accurate discharge effects are achieved.
Patent Information
- Application Number
- CN202422257582.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The existing drum drying screening equipment has low functionality during the screening process, and the screened organic fertilizer is prone to mixing.
A drum-type drying screening equipment including a driving mechanism, a drying device and a screening device is designed. The cylindrical screen mesh and annular flange are combined to realize multi-stage screening through screening sections of different apertures and cleaning roller brushes to ensure accurate discharge of organic fertilizer.
The accurate separation of three different sizes of organic fertilizers is achieved, reducing the mixing and mixing situation, and improving the functionality and efficiency of the equipment.
Smart Images
Figure CN223221929U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of organic fertilizer production, and more specifically relates to a drum-type drying and screening device for producing organic fertilizer. Background Art
[0002] Organic fertilizer refers to fertilizer made from organic matter-rich by-product resources such as animal excrement or plant and animal residues, which are fermented and decomposed as the main raw materials. Organic fertilizer has the characteristics of improving soil, improving soil fertility, increasing soil nutrient activity, purifying the soil ecological environment, and ensuring high-quality, high-yield, and high-efficiency vegetables. It is an irreplaceable fertilizer for facility vegetable cultivation. After crushing, organic fertilizer needs to be screened to produce organic fertilizers of different finenesses, suitable for different environments; however, organic fertilizers often contain a certain amount of water and also need to be dried. At present, drum-type drying and screening equipment is used to complete the drying and screening actions of organic fertilizers in succession, which has a higher operating efficiency; however, this type of drying and screening equipment can generally only screen out organic fertilizers of two finenesses during the screening process, has low functionality, and the screened organic fertilizers are prone to mixing. Utility Model Content
[0003] The purpose of the utility model is to provide a drum-type drying and screening equipment for producing organic fertilizer, so as to solve the technical problems that the drying and screening equipment in the prior art has low functionality in the screening process and the screened organic fertilizer is prone to mixing.
[0004] To achieve the above object, the technical solution adopted by the present invention is: to provide a drum-type drying and screening equipment for producing organic fertilizer, comprising a driving mechanism and a drying device and a screening device arranged and connected in sequence; the screening device comprises:
[0005] The mounting sleeve is arranged in a horizontal direction; one end of the mounting sleeve is connected to the drying device; a discharge opening is provided on the lower side of the mounting sleeve, and a cleaning opening is provided on the upper side;
[0006] a cylindrical screen, mounted in the mounting sleeve and rotatably connected to the mounting sleeve; a plurality of spirally arranged guide baffles are provided on the inner wall of the cylindrical screen; the cylindrical screen is connected to the driving mechanism; the cylindrical screen has a first sieve hole section and a second sieve hole section arranged in sequence along the axial direction, and the aperture of the first sieve hole section is smaller than the aperture of the second sieve hole section;
[0007] three annular flanges, arranged in parallel and spaced apart on the outer side of the cylindrical screen, and extending radially outward from the cylindrical screen, the first sieve hole segment and the second sieve hole segment being respectively provided between two adjacent annular flanges;
[0008] A shielding cover is fixedly mounted on the mounting sleeve and corresponds to the cleaning opening; the shielding cover closes the cleaning opening from top to bottom;
[0009] a cleaning roller brush installed in the shielding cover and rotatably connected to the shielding cover; a lower side of the cleaning roller brush passes through the cleaning opening and contacts the outer side surfaces of the first sieve hole segment and the second sieve hole segment;
[0010] The driving assembly is fixedly mounted on the mounting sleeve and connected to the cleaning roller brush.
[0011] In a possible implementation, the three annular flanges are evenly arranged along the length direction of the cylindrical screen, and two of the annular flanges are respectively installed at both ends of the cylindrical screen, and the other annular flange is located in the middle of the cylindrical screen.
[0012] In one possible implementation, three annular grooves are provided on the inner wall of the mounting sleeve, and the three annular grooves correspond one-to-one to the three annular flanges; the outer ends of the annular flanges are fitted in the corresponding annular grooves, and an installation gap is provided between the outer side of the annular flange and the inner wall of the annular groove.
[0013] In a possible implementation, the lower end of the shielding cover is located on an arc-shaped concave surface that is adapted to the outer side surface of the mounting sleeve, and a long opening corresponding to the cleaning opening is provided on the arc-shaped concave surface.
[0014] In a possible implementation, the cleaning roller brush is a transversely arranged wire brush, and the wire brush is provided with a space section for avoiding the annular flange.
[0015] In a possible implementation, two storage hoppers installed below the discharge opening are further provided on the lower side of the mounting sleeve, and the two storage hoppers correspond to the first sieve hole section and the second sieve hole section respectively.
[0016] In a possible implementation, an inverted V-shaped plate is provided in the storage hopper, and the V-shaped plate is used to guide the organic fertilizer to flow toward the end of the storage hopper.
[0017] In a possible implementation, the mounting sleeve is further provided with four damping shafts and four baffles respectively mounted on the damping shafts, the four baffles are grouped in pairs, the two groups of baffles are respectively mounted on both sides of the mounting sleeve, and the two baffles in the same group correspond to the first sieve hole section and the second sieve hole section; the baffles are arranged at an angle.
[0018] In a possible implementation, a blocking door is provided at the other end of the mounting sleeve, and a coarse material outlet is provided at the lower side of the blocking door.
[0019] The beneficial effects of the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model are as follows: compared with the prior art, the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model, when in use, the driving mechanism is started to make the drying device and the screening device work, the organic fertilizer to be dried enters the cylindrical screen in the installation sleeve from the drying device, the organic fertilizer with smaller size first passes through the first sieve hole section and is discharged outward through the discharge opening, and under the limitation of the two adjacent annular flanges, the organic fertilizer will not move to the sides and will accurately move to the position corresponding to the first sieve hole section; then the organic fertilizer with larger size continues to move to the second sieve hole section and is discharged outward through the discharge opening, and similarly under the limitation of the two adjacent annular flanges Under the limit, the organic fertilizer will not move to the sides, but will accurately move to the position corresponding to the second sieve hole section. The organic fertilizer with a size larger than the aperture of the second sieve hole section will be discharged outward through the installation sleeve; during the working process, the driving component is started to rotate the cleaning roller brush, and the cleaning roller brush passes through the cleaning opening and acts on the first sieve hole section and the second sieve hole section, and the organic fertilizer blocked on the first sieve hole section and the second sieve hole section falls back into the cylindrical screen; in this way, three organic fertilizers of different sizes can be produced, thereby improving the functionality of the equipment. At the same time, under the limiting action of the annular flange and the action of the cleaning roller brush, the discharge of the organic fertilizer is more accurate and quick, and the mixing of organic fertilizers of different sizes is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0021] Figure 1 Schematic diagram of the structure of the screening device provided in the embodiment of the utility model Figure 1 ;
[0022] Figure 2 Schematic diagram of the structure of the screening device provided in the embodiment of the utility model Figure 2 ;
[0023] Figure 3 A schematic diagram of the structure of a cylindrical screen provided in an embodiment of the present utility model;
[0024] Figure 4 The present invention is a structural diagram of a drum-type drying and screening device for producing organic fertilizer provided by an embodiment of the present invention.
[0025] Among them, the reference numerals in the figures are:
[0026] 1. Driving mechanism; 11. Drying device; 12. Screening device; 2. Mounting sleeve; 21. Discharge opening; 22. Cleaning opening; 23. Storage hopper; 24. V-shaped plate; 25. Damping shaft; 26. Shielding plate; 27. Blocking door; 28. Coarse material outlet; 3. Cylindrical screen; 31. First sieve hole section; 32. Second sieve hole section; 4. Annular flange; 5. Shielding cover; 51. Arc-shaped concave surface; 52. Long strip opening; 6. Cleaning roller brush; 61. Void section; 7. Driving assembly. DETAILED DESCRIPTION
[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0028] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.
[0029] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.
[0031] See also Figures 1 to 4Now, the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model is described. A drum-type drying and screening equipment for producing organic fertilizer, comprising a driving mechanism 1 and a drying device 11 and a screening device 12 arranged and connected in sequence; the screening device 12 comprises a mounting sleeve 2, a cylindrical screen 3, an annular flange 4, a shielding cover 5, a cleaning roller brush 6, and a driving assembly 7; the mounting sleeve 2 is arranged horizontally; one end of the mounting sleeve 2 is connected to the drying device 11; a discharge opening 21 is provided on the lower side of the mounting sleeve 2, and a cleaning opening 22 is provided on the upper side; the cylindrical screen 3 is mounted in the mounting sleeve 2 and is rotatably connected to the mounting sleeve 2; a plurality of spirally arranged guide baffles are provided on the inner wall of the cylindrical screen 3; the cylindrical screen 3 is connected to the driving mechanism 1; the cylindrical screen 3 has a first sieve hole section 31 and a second sieve hole section 31 arranged in sequence along the axial direction. 32, and the aperture of the first sieve hole segment 31 is smaller than the aperture of the second sieve hole segment 32; there are three annular flanges 4, which are arranged in parallel and at intervals on the outer side of the cylindrical screen 3, and the annular flanges 4 extend radially outward along the cylindrical screen 3, and the first sieve hole segment 31 and the second sieve hole segment 32 are respectively arranged between two adjacent annular flanges 4; the shielding cover 5 is fixedly mounted on the mounting sleeve 2 and corresponds to the cleaning opening 22; the shielding cover 5 closes the cleaning opening 22 from top to bottom; the cleaning roller brush 6 is installed in the shielding cover 5 and is rotatably connected to the shielding cover 5; the lower side of the cleaning roller brush 6 passes through the cleaning opening 22 and contacts the outer side surfaces of the first sieve hole segment 31 and the second sieve hole segment 32; the driving assembly 7 is fixedly mounted on the mounting sleeve 2 and is connected to the cleaning roller brush 6.
[0032] Compared with the prior art, the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model is as follows: when in use, the driving mechanism 1 is started to make the drying device 11 and the screening device 12 work, and the organic fertilizer to be dried enters the cylindrical screen 3 in the installation sleeve 2 from the drying device 11, and the organic fertilizer with smaller size first passes through the first sieve hole section 31 and is discharged outward through the discharge opening 21, and under the limitation of the two adjacent annular flanges 4, the organic fertilizer will not move to the sides and will accurately move to the position corresponding to the first sieve hole section 31; then the organic fertilizer with larger size continues to move to the second sieve hole section 32 and is discharged outward through the discharge opening 21, and similarly under the limitation of the two adjacent annular flanges 4, the organic fertilizer will not move to the sides. , accurately to the position corresponding to the second sieve hole section 32, and the organic fertilizer with a size larger than the aperture of the second sieve hole section 32 is discharged outward through the mounting sleeve 2; during the working process, the driving component 7 is started to rotate the cleaning roller brush 6, and the cleaning roller brush 6 passes through the cleaning opening 22 and acts on the first sieve hole section 31 and the second sieve hole section 32, and the organic fertilizer blocked on the first sieve hole section 31 and the second sieve hole section 32 falls back into the cylindrical screen 3; in this way, three organic fertilizers of different sizes can be produced, thereby improving the functionality of the equipment. At the same time, under the limiting action of the annular flange 4 and the action of the cleaning roller brush 6, the discharge of the organic fertilizer is more accurate and quick, and the mixing of organic fertilizers of different sizes is reduced.
[0033] See also Figures 1 to 3 As a specific embodiment of the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model, three annular flanges 4 are evenly arranged along the length direction of the cylindrical screen 3, and two annular flanges 4 are respectively installed at both ends of the cylindrical screen 3, and the other annular flange 4 is located in the middle position of the cylindrical screen 3; through this arrangement, the three annular flanges 4 will not affect the first sieve hole section 31 and the second sieve hole section 32, so that the first sieve hole section 31 and the second sieve hole section 32 have a larger working length.
[0034] See also Figures 1 to 3 As a specific embodiment of the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model, three annular grooves are provided on the inner wall of the mounting sleeve 2, and the three annular grooves correspond to the three annular flanges 4 one by one; the outer ends of the annular flanges 4 are fitted into the corresponding annular grooves, and an installation gap is provided between the outer sides of the annular flanges 4 and the inner walls of the annular grooves. With the help of the annular grooves, the annular flanges 4 completely separate the first sieve hole section 31 from the second sieve hole section 32, the first sieve hole section 31 from the drying device 11, and the second sieve hole section 32 from the area outside the mounting sleeve 2, so that organic fertilizers of corresponding sizes will not be mixed.
[0035] See also Figure 1 and Figure 2As a specific embodiment of the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model, the lower end of the shielding cover 5 is located on the arc-shaped concave surface 51 that is adapted to the outer side surface of the mounting sleeve 2, and the arc-shaped concave surface 51 is provided with a long strip opening 52 corresponding to the cleaning opening 22; that is, after the shielding cover 5 is installed on the mounting sleeve 2 from top to bottom, the shielding cover 5 is well sealed with the help of the arc-shaped concave surface 51 and the outer side surface of the mounting sleeve 2, and is connected to the interior of the mounting sleeve 2 with the help of the long strip opening 52 and the cleaning opening 22, and the cleaning roller brush 6 is in contact with the outer side surfaces of the first sieve hole section 31 and the second sieve hole section 32. The driving assembly 7 includes a driving motor, a reducer, a coupling, etc. Bearing seats are installed on both sides of the shielding cover 5, and the two ends of the cleaning roller brush 6 are respectively installed on the bearings of the two bearing seats.
[0036] See also Figure 2 In one embodiment of the drum-type drying and screening equipment for producing organic fertilizer provided by the present invention, the cleaning roller brush 6 is a horizontally arranged wire brush with a spaced section 61 that clears the annular flange 4. The wire brush acts on the sieve holes of the first and second sieve hole sections 31 and 32, allowing any organic fertilizer clogged in the sieve holes to fall back into the cylindrical screen 3. The spaced section 61 clears the annular flange 4 to reduce friction.
[0037] See also Figure 1 and Figure 2 As a specific embodiment of the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model, two storage hoppers 23 installed below the discharge opening 21 are further provided on the lower side of the mounting sleeve 2, and the two storage hoppers 23 correspond to the first sieve hole section 31 and the second sieve hole section 32 respectively. The storage hoppers 23 are long and have a length greater than the diameter of the mounting sleeve 2 and a width greater than or equal to the length of the first sieve hole section 31 and the second sieve hole section 32; so that the organic fertilizer flowing out of the first sieve hole section 31 and the second sieve hole section 32 falls smoothly into the two storage hoppers 23.
[0038] See also Figure 1 and Figure 2 As a specific embodiment of the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model, an inverted V-shaped plate 24 is provided in the storage hopper 23, and the V-shaped plate 24 is used to guide the organic fertilizer to flow toward the end of the storage hopper 23; the V-shaped plate 24 is inverted and installed in the middle position of the storage hopper 23, and the organic fertilizer falling from the first sieve hole section 31 and the second sieve hole section 32 flows to both sides along the side of the V-shaped plate 24, so that the organic fertilizer is accumulated at both ends of the storage hopper 23, which is convenient for subsequent processing.
[0039] See also Figure 1 and Figure 2As a specific embodiment of the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model, the mounting sleeve 2 is further provided with four damping shafts 25 and four shielding plates 26 respectively mounted on the damping shafts 25. The four shielding plates 26 are grouped in pairs, and the two groups of shielding plates 26 are respectively mounted on both sides of the mounting sleeve 2, and the two shielding plates 26 in the same group correspond to the first sieve hole section 31 and the second sieve hole section 32; the shielding plates 26 are arranged at an angle; in order to prevent part of the organic fertilizer from being screened out from the higher positions of the first sieve hole section 31 and the second sieve hole section 32 during the high-speed rotation of the cylindrical screen 3 and from falling into the storage hopper 23, the shielding plates 26 are provided and controlled to rotate downward to block the upper side of the discharge opening 21. When it is necessary to increase the discharge speed and flow rate, the shielding plates 26 are rotated upward to increase the effective outlet area of the discharge opening 21; under the action of the damping shaft 25, the shielding plates 26 are ensured to be stably in the required tilted state.
[0040] See also Figure 1 and Figure 2 As a specific embodiment of the drum-type drying and screening equipment for producing organic fertilizer provided by the utility model, a blocking door 27 is provided at the other end of the mounting sleeve 2, and a coarse material outlet 28 is provided on the lower side of the blocking door 27; the blocking door 27 is provided to seal the end of the mounting sleeve 2 away from the drying device 11, which can reduce the heat dissipation in the entire drum-type drying and screening equipment for producing organic fertilizer, and can also prevent some organic fertilizers from moving too fast and directly passing through the mounting sleeve 2; organic fertilizers with a size larger than the aperture of the second sieve hole section 32 enter the coarse material outlet 28 on the blocking door 27 after moving out of the cylindrical screen 3 and are discharged, making them easy to collect.
[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A drum-type drying and screening device for producing organic fertilizer, comprising a driving mechanism and a drying device and a screening device arranged and connected in sequence; characterized in that: The screening device comprises: The mounting sleeve is arranged in a horizontal direction; one end of the mounting sleeve is connected to the drying device; a discharge opening is provided on the lower side of the mounting sleeve, and a cleaning opening is provided on the upper side; a cylindrical screen, mounted in the mounting sleeve and rotatably connected to the mounting sleeve; a plurality of spirally arranged guide baffles are provided on the inner wall of the cylindrical screen; the cylindrical screen is connected to the driving mechanism; the cylindrical screen has a first sieve hole section and a second sieve hole section arranged in sequence along the axial direction, and the aperture of the first sieve hole section is smaller than the aperture of the second sieve hole section; three annular flanges, arranged in parallel and spaced apart on the outer side of the cylindrical screen, and extending radially outward from the cylindrical screen, the first sieve hole segment and the second sieve hole segment being respectively provided between two adjacent annular flanges; A shielding cover is fixedly mounted on the mounting sleeve and corresponds to the cleaning opening; the shielding cover closes the cleaning opening from top to bottom; a cleaning roller brush installed in the shielding cover and rotatably connected to the shielding cover; a lower side of the cleaning roller brush passes through the cleaning opening and contacts the outer side surfaces of the first sieve hole segment and the second sieve hole segment; The driving assembly is fixedly mounted on the mounting sleeve and connected to the cleaning roller brush.
2. the production fertilizer drum type drying and screening equipment as claimed in claim 1 is characterized in that, The three annular flanges are evenly arranged along the length direction of the cylindrical screen, and two of the annular flanges are respectively installed at both ends of the cylindrical screen, and the other annular flange is located in the middle of the cylindrical screen.
3. the production fertilizer drum type drying and screening equipment as claimed in claim 2 is characterized in that, Three annular grooves are provided on the inner wall of the mounting sleeve, and the three annular grooves correspond one-to-one to the three annular flanges; the outer ends of the annular flanges are fitted in the corresponding annular grooves, and an installation gap is provided between the outer sides of the annular flanges and the inner walls of the annular grooves.
4. The production fertilizer drum drying and screening equipment as claimed in claim 1, wherein The lower end of the shielding cover is located on an arc-shaped concave surface adapted to the outer side surface of the mounting sleeve, and a long strip opening corresponding to the cleaning opening is provided on the arc-shaped concave surface.
5. The production fertilizer drum drying and screening equipment as claimed in claim 2, wherein The cleaning roller brush is a wire brush arranged in a transverse direction, and a vacant section for avoiding the annular flange is provided on the wire brush.
6. The production of organic fertilizer drum type drying and screening equipment as claimed in claim 1, wherein Two storage hoppers are further provided on the lower side of the installation sleeve and are installed below the discharge opening, and the two storage hoppers correspond to the first sieve hole section and the second sieve hole section respectively.
7. The production fertilizer drum drying and screening equipment as claimed in claim 6, wherein An inverted V-shaped plate is provided in the storage hopper, and the V-shaped plate is used to guide the organic fertilizer to flow toward the end of the storage hopper.
8. The production of organic fertilizer drum type drying and screening equipment as claimed in claim 6, wherein The mounting sleeve is also provided with four damping shafts and four baffles respectively mounted on the damping shafts. The four baffles are grouped in pairs. The two groups of baffles are respectively mounted on both sides of the mounting sleeve, and the two baffles in the same group correspond to the first sieve hole section and the second sieve hole section; the baffles are arranged at an angle.
9. The production of organic fertilizer drum type drying and screening equipment as claimed in claim 1, wherein A blocking door is provided at the other end of the installation sleeve, and a coarse material outlet is provided at the lower side of the blocking door.