Material grading crushing system
By setting up a screening silo between the primary and secondary crushers, separating and eliminating qualified particle size materials, the problem of re-crumbing of qualified particle size materials in traditional grading crushing systems is solved, and effective control and improvement of material particle size is achieved.
Patent Information
- Application Number
- CN202420479461.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-12
AI Technical Summary
In traditional hierarchical crushing systems, qualified particle size materials and unqualified particle size materials after being crushed by the first-stage crusher will enter the secondary crusher at the same time, resulting in the qualified particle size materials being crushed again. The crushed material particle size is too small and does not meet the final material particle size requirements.
A screening silo is set up between the primary crusher and the secondary crusher. The screening silo separates the qualified particle size material and the unqualified particle size material after being crushed by the primary crusher. The unqualified particle size material enters the secondary crusher for secondary crushing, and the qualified particle size material is discharged.
The secondary crushing of qualified particle size materials is avoided, ensuring that the final material particle size meets the requirements, and improving the pass rate of material particle size.
Smart Images
Figure CN222551059U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of material classification and crushing systems, in particular to a material classification and crushing system. Background Art
[0002] The material grading and crushing system includes at least two stages of crushers, which crush the material in multiple stages to obtain qualified particle size materials that meet the requirements. However, in the traditional grading and crushing system, the qualified particle size materials and unqualified particle size materials that have been crushed once by the first crusher will enter the second crusher at the same time, resulting in the qualified particle size materials being crushed again. The particle size of the crushed material is too small and does not meet the final material particle size requirements. Utility Model Content
[0003] Therefore, the technical problem to be solved by the utility model is that in the grading crushing system in the prior art, the qualified particle size materials and the unqualified particle size materials after the first crusher are crushed once will enter the secondary crusher at the same time, resulting in the qualified particle size materials being crushed once more. The particle size of the crushed materials is too small and does not meet the final material particle size requirements, thereby providing a material grading crushing system.
[0004] In order to solve the above technical problems, the technical solution of the utility model is as follows:
[0005] The utility model provides a material grading and crushing system, which at least comprises a primary crusher and a secondary crusher which are sequentially arranged along the conveying direction of the material, and also comprises: a screening silo which is arranged between the primary crusher and the secondary crusher, the screening silo having a feed port, a first outlet and a second outlet, the feed port of the screening silo being adapted to the discharge port of the primary crusher, the first outlet being adapted to the feed port of the secondary crusher; the screening silo separates qualified particle size materials and unqualified particle size materials which have been crushed once by the primary crusher, the unqualified particle size materials enter the secondary crusher through the first outlet for secondary crushing, and the qualified particle size materials are discharged through the second outlet.
[0006] Furthermore, the screening silo includes a silo body and a screen; the screen is obliquely arranged in the silo body, and the positive projection area of the feed port of the silo body on the screen does not exceed the area of the screen, so that the materials falling from the feed port of the silo body are separated by the screen and then discharged from the first outlet or the second outlet.
[0007] Furthermore, the material classification and crushing system also includes a feed bin, and the discharge port of the feed bin is connected to the feed port of the primary crusher.
[0008] Furthermore, the material grading and crushing system also includes a primary conveyor, which is arranged between the primary crusher and the screening silo; one end of the primary conveyor is adapted to the discharge port of the primary crusher, and the other end is adapted to the feed port of the screening silo.
[0009] Furthermore, the material classification and crushing system also includes a secondary conveyor, which is arranged downstream of the secondary crusher, and one end of the secondary conveyor is adapted to be arranged at a discharge port of the secondary crusher.
[0010] Furthermore, the second outlet of the screening silo is adapted to be arranged on the secondary conveyor, and the qualified particle size materials after the primary crushing and the qualified particle size materials after the secondary crushing are both transferred via the secondary conveyor.
[0011] Furthermore, an inclined discharge pipe extending away from the center of the screening silo is provided at the bottom of the screening silo, and the outlet of the inclined discharge pipe is the second outlet.
[0012] Furthermore, the mesh surface of the screen is formed by a plurality of parallel and spaced cross bars, and materials with qualified particle sizes pass through the space between two adjacent cross bars.
[0013] The technical solution of the utility model has the following advantages:
[0014] The material classification and crushing system provided by the utility model is provided with a screening bin between the primary crusher and the secondary crusher. The screening bin separates qualified particle size materials and unqualified particle size materials after primary crushing by the primary crusher. The unqualified particle size materials enter the secondary crusher through the first outlet for secondary crushing, and the qualified particle size materials are discharged through the second outlet. Such a setting can avoid secondary crushing of qualified particle size materials and avoid the generation of materials with too small particle size, so that the final material particle size meets the requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a schematic diagram of a material classification and crushing system in an embodiment of the utility model;
[0017] Figure 2 A is a schematic diagram of the material classification and crushing system in the embodiment of the utility model;
[0018] Figure 3 It is a schematic diagram of a screening silo in a material classification and crushing system in an embodiment of the utility model;
[0019] Figure 4 It is a schematic diagram of a cross bar in a material classification and crushing system in an embodiment of the utility model;
[0020] 1. Primary crusher; 2. Secondary crusher; 3. Screening silo; 4. Feed port of screening silo; 5. Screen; 6. First outlet; 7. Second outlet; 8. Feed silo; 9. Primary conveyor; 10. Secondary conveyor; 11. Cross bar. DETAILED DESCRIPTION
[0021] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0025] like Figure 1 , Figure 2 as well as Figure 3As shown, this embodiment provides a material classification and crushing system, which at least includes a primary crusher 1 and a secondary crusher 2 arranged in sequence along the conveying direction of the material, and also includes: a screening silo 3, which is arranged between the primary crusher 1 and the secondary crusher 2, and the screening silo 3 has a feed port, a first outlet 6 and a second outlet 7, the feed port 4 of the screening silo is adapted to the discharge port of the primary crusher 1, and the first outlet 6 is adapted to the feed port of the secondary crusher 2; the screening silo 3 separates the qualified particle size material and the unqualified particle size material after the primary crushing of the primary crusher 1, and the unqualified particle size material enters the secondary crusher 2 through the first outlet 6 for secondary crushing, and the qualified particle size material is discharged through the second outlet 7. Among them, the qualified particle size material discharged through the second outlet 7 can be transferred alone or together with the qualified particle size material after the secondary crushing.
[0026] The material classification and crushing system provided in this embodiment is provided with a screening silo 3 between the primary crusher 1 and the secondary crusher 2. The screening silo 3 separates the qualified particle size materials and the unqualified particle size materials after the primary crushing by the primary crusher 1. The unqualified particle size materials enter the secondary crusher 2 through the first outlet 6 for secondary crushing, and the qualified particle size materials are discharged through the second outlet 7. Such a configuration can avoid the secondary crushing of the qualified particle size materials and avoid the generation of materials with too small particle size, so that the final material particle size meets the requirements.
[0027] Among them, the screening silo 3 includes a silo body and a screen 5; the screen 5 is tilted in the silo body, and the orthographic projection area of the feed port of the silo body on the screen 5 does not exceed the area of the screen 5, so that the materials falling from the feed port of the silo body are separated by the screen 5 and then discharged from the first outlet 6 or the second outlet 7. For example, the feed port 4 of the screening silo can be set at the left side of the top of the screening silo 3, the first outlet 6 of the screening silo 3 can be set at the right side of the bottom of the screening silo 3, and the second outlet 7 of the screening silo 3 can be set at the left side of the bottom of the screening silo 3, and the screen 5 extends and tilts from the upper left to the lower right. When in use, the qualified particle size material passes through the screen 5 and is discharged from the second outlet 7 on the left side of the bottom of the silo, and the unqualified particle size material is blocked by the screen 5 and is discharged from the first outlet 6 on the right side of the bottom of the silo, ensuring that the two particle sizes of materials are separated in an orderly manner.
[0028] The material classification and crushing system further includes a feed bin 8, the discharge port of which is connected to the feed port of the primary crusher 1. When in use, the material to be crushed is added through the feed port of the feed bin 8, and then discharged from the discharge port of the feed bin 8 to the primary crusher 1.
[0029] The material classification and crushing system further includes a primary conveyor 9, which is arranged between the primary crusher 1 and the screening silo 3; one end of the primary conveyor 9 is adapted to the discharge port of the primary crusher 1, and the other end is adapted to the feed port 4 of the screening silo. For example, one end of the primary conveyor 9 can extend into the bottom of the primary crusher 1 to receive the material discharged from the discharge port of the primary crusher 1, and the other end of the primary conveyor 9 can extend into the top of the screening silo 3, so that the material on the primary conveyor 9 can enter the screening silo 3 after falling.
[0030] The material classification and crushing system further includes a secondary conveyor 10, which is arranged downstream of the secondary crusher 2, and one end of the secondary conveyor 10 is adapted to the discharge port of the secondary crusher 2. For example, one end of the secondary conveyor 10 can extend into the bottom of the secondary crusher 2 to receive the material discharged from the discharge port of the secondary crusher 2. For example, the second outlet 7 of the screening bin 3 can extend to the middle section of the secondary conveyor 10, so that the qualified particle size materials after primary crushing and the qualified particle size materials after secondary crushing are both transferred through the secondary conveyor 10.
[0031] Among them, the primary conveyor 9 and the secondary conveyor 10 both include a conveyor belt for carrying materials and a roller for providing power. Driven by the roller, the conveyor belt moves forward to achieve material transfer.
[0032] like Figure 3 , Figure 4 As shown, the bottom of the screening silo 3 is provided with an inclined discharge pipe extending in a direction away from the center of the screening silo 3, and the outlet of the inclined discharge pipe is the second outlet 7. For example, the inclined discharge pipe can be a conical pipe with an outlet smaller than an inlet, which can limit the output material. For example, the mesh surface of the screen 5 is formed by a plurality of parallel cross bars 11 arranged at intervals, and the qualified particle size material passes through the interval between two adjacent cross bars 11. For example, the interval between two adjacent cross bars 11 can be set as needed, so that the unqualified particle size material can be intercepted and the qualified particle size material can pass.
[0033] When in use, the material enters the primary crusher 1 from the feed bin 8, and the crushed material is discharged into the primary conveyor 9 through the discharge port of the primary crusher 1. The primary conveyor 9 conveys the once crushed material to the screening bin 3, and the material falls along the screen 5 in the screening bin 3. The qualified particle size material is sent to the secondary conveyor 10 through the second outlet 7, and the unqualified particle size material remaining after screening falls into the secondary crusher 2 along the screen 5. After being crushed by the secondary crusher 2, the crushed material falls into the secondary conveyor 10 through the discharge port of the secondary crusher 2, thus completing the two-stage crushing and avoiding the secondary crushing of the qualified material after the first crushing.
[0034] In summary, the material grading and crushing system in the present application has the advantages of low device cost, simple operation and stable operation. The device can be used to grade and crush non-metallic materials of different particle sizes, and can effectively avoid the secondary crushing of qualified materials after the first crushing, thereby greatly improving the qualified rate of material particle size and achieving good economic benefits.
[0035] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.
Claims
1. A material classification and crushing system, comprising at least a primary crusher (1) and a secondary crusher (2) arranged in sequence along the material conveying direction, characterized in that: Also includes: A screening silo (3) is arranged between the primary crusher (1) and the secondary crusher (2), the screening silo (3) having a feed port, a first outlet (6) and a second outlet (7), the feed port (4) of the screening silo being adapted to the discharge port of the primary crusher (1), the first outlet (6) being adapted to the feed port of the secondary crusher (2); the screening silo (3) separates qualified particle size materials and unqualified particle size materials after primary crushing by the primary crusher (1), the unqualified particle size materials entering the secondary crusher (2) through the first outlet (6) for secondary crushing, and the qualified particle size materials being discharged through the second outlet (7).
2. The material classification and crushing system according to claim 1, characterized in that: The screening silo (3) comprises a silo body and a sieve (5); The screen (5) is arranged obliquely in the silo body, and the positive projection area of the feed port of the silo body on the screen (5) does not exceed the area of the screen (5), so that the materials falling from the feed port of the silo body are separated by the screen (5) and then discharged from the first outlet (6) or the second outlet (7).
3. The material classification and crushing system according to claim 2, characterized in that: It also comprises a feed bin (8), the discharge port of which is connected to the feed port of the primary crusher (1).
4. The material classification and crushing system according to claim 3 is characterized in that: It also includes a primary conveyor (9) disposed between the primary crusher (1) and the screening silo (3); One end of the primary conveyor (9) is adapted to be arranged at the discharge port of the primary crusher (1), and the other end is adapted to be arranged at the feed port (4) of the screening silo.
5. The material classification and crushing system according to claim 4, characterized in that: It also comprises a secondary conveyor (10) which is arranged downstream of the secondary crusher (2), and one end of the secondary conveyor (10) is adapted to be arranged at the discharge port of the secondary crusher (2).
6. The material classification and crushing system according to claim 5, characterized in that: The second outlet (7) of the screening silo (3) is adapted to be arranged on the secondary conveyor (10), and both the qualified particle size materials after primary crushing and the qualified particle size materials after secondary crushing are transferred via the secondary conveyor (10).
7. The material classification and crushing system according to claim 6, characterized in that: The bottom of the screening silo (3) is provided with an inclined discharge pipe extending in a direction away from the center of the screening silo (3), and the outlet of the inclined discharge pipe is the second outlet (7).
8. The material classification and crushing system according to claim 6, characterized in that: The mesh surface of the screen (5) is formed by a plurality of parallel and spaced cross bars (11), and materials with a qualified particle size pass through the space between two adjacent cross bars (11).