Low-grade limestone separation equipment

Abstract

The utility model relates to the technical field of sorting equipment, and provides low-grade limestone sorting equipment which comprises a sorting box and a treatment box, a feeding pipe is arranged at the upper end of the sorting box, a discharging pipe is arranged at the lower end of the sorting box, a first screen and a second screen are arranged in the sorting box and are both obliquely arranged, the first screen is located above the second screen, and the second screen is located above the treatment box. The aperture of screen holes in the first screen is larger than that of screen holes in the second screen, the processing box is arranged outside the sorting box, and a first conveying opening, a second conveying opening and a third conveying opening are formed between the sorting box and the processing box. By arranging the first screen and the second screen, limestone can be sorted twice, the first crushing mechanism crushes materials which do not meet the particle size requirement after being screened by the first screen, and the second crushing mechanism crushes unqualified materials after being screened by the second screen. And meanwhile, the materials crushed by the first crushing mechanism are crushed again, so that the granularity of the limestone meets the requirement, and the production efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of sorting equipment, and in particular to a low-grade limestone sorting equipment. Background Art

[0002] As limestone resources become increasingly scarce, comprehensive utilization of limestone mine resources, especially increasing the use of low-grade limestone (CaO content of 40%-45%), has become an important means for the sustainable development of cement companies. The use of low-grade limestone can reduce production costs and improve economic benefits.

[0003] At present, screens are widely used in the industry to screen limestone. Limestone that meets the particle size requirements is used for production, and limestone that does not meet the particle size requirements is centrally recovered. The recovered limestone is sent to a crushing device for crushing and then screened again. This method requires the limestone that does not meet the particle size requirements to be recovered, crushed, and screened again, affecting production efficiency. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a low-grade limestone sorting equipment, which screens the limestone multiple times and crushes the limestone that does not meet the particle size requirements, so that the particle size of the limestone meets the requirements and the production efficiency is improved.

[0005] The present invention provides a low-grade limestone separation device, which adopts the following technical solutions:

[0006] The conveying mechanism is a pair of conveying means for conveying the conveying means, wherein the conveying mechanism has a first end and a second end, and the conveying mechanism is a pair of conveying means for conveying the conveying means.

[0007] Preferably, the first crushing mechanism includes two first crushing rollers arranged opposite to each other inside the processing box, one end of the first crushing roller is rotatably connected to the inner wall of the processing box, and the other end of the first crushing roller passes through the processing box and extends to the outside of the processing box, the first crushing roller is connected to a first gear, and the two first gears are meshed and connected, and one of the first crushing rollers is connected to the driving mechanism.

[0008] Preferably, the second crushing mechanism includes two second crushing rollers arranged opposite to each other inside the processing box, one end of the second crushing roller is rotatably connected to the inner wall of the processing box, and the other end of the second crushing roller passes through the processing box and extends to the outside of the processing box. The second crushing roller is connected to a second gear, and the two second gears are meshed and connected, and one of the second crushing rollers is connected to the driving mechanism.

[0009] Preferably, the driving mechanism includes a motor, a double-disc pulley, a first single-disc pulley, a first belt, a second single-disc pulley and a second belt, the motor is arranged outside the processing box, the motor drives the double-disc pulley to rotate, the first single-disc pulley is arranged on one of the first crushing rollers, the first belt is arranged between the first single-disc pulley and the double-disc pulley, and the second belt is arranged between the second single-disc pulley and the double-disc pulley.

[0010] Preferably, the distance between the two first crushing rollers is greater than the distance between the two second crushing rollers.

[0011] Preferably, the inner lower end of the sorting box is a funnel-shaped structure.

[0012] Preferably, a guide block is provided at the lower end of the interior of the processing box.

[0013] Preferably, a plurality of supporting legs are provided at the lower end of the sorting box.

[0014] Beneficial effects of this application:

[0015] The present application can sort the limestone twice by setting a first sieve and a second sieve. The limestone that meets the particle size requirements passes through the first sieve and the second sieve in sequence and is discharged through the discharge pipe. The limestone that does not meet the particle size requirements after screening with the first sieve enters the interior of the processing box through the first conveying port, and the material that does not meet the particle size requirements after screening with the second sieve enters the interior of the processing box through the second conveying port.

[0016] By setting a driving mechanism, a first crushing mechanism and a second crushing mechanism, the driving mechanism drives the first crushing mechanism and the second crushing mechanism to work, the first crushing mechanism crushes the material that does not meet the particle size requirements after screening by the first screen, and the second crushing mechanism crushes the unqualified material after screening by the second screen, and at the same time crushes the material crushed by the first crushing mechanism again to improve the crushing effect of the material. The crushed material enters the interior of the sorting box through the third conveying port and is discharged through the discharge pipe, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 Schematic diagram of the overall structure of some embodiments of the present utility model;

[0019] Figure 2 This is a schematic structural diagram of the first crushing mechanism in some embodiments of the present invention;

[0020] Figure 3 This is a schematic structural diagram of the second crushing mechanism in some embodiments of the present invention.

[0021] The reference numerals are:

[0022] 1. Sorting box; 2. Processing box; 3. Feed pipe; 4. Discharge pipe; 5. First screen; 6. Second screen; 7. First conveying port; 8. Second conveying port; 9. Third conveying port; 10. First crushing mechanism; 11. Second crushing mechanism; 12. Driving mechanism; 13. First crushing roller; 14. First gear; 15. Second crushing roller; 16. Second gear; 17. Motor; 18. Double-disc pulley; 19. First single-disc pulley; 20. First belt; 21. Second single-disc pulley; 22. Second belt; 23. Guide block; 24. Support foot. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0026] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of this application is typically placed when in use. These terms are intended only to facilitate the description of this application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0027] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0028] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0029] Example

[0030] like Figure 1-3As shown, the low-grade limestone sorting equipment described in the embodiment of the present application includes a sorting box 1 and a processing box 2, the upper end of the sorting box 1 is provided with a feed pipe 3, the lower end of the sorting box 1 is provided with a discharge pipe 4, the interior of the sorting box 1 is provided with a first screen 5 and a second screen 6, the first screen 5 and the second screen 6 are both arranged obliquely, the first screen 5 is located above the second screen 6, the aperture of the sieve hole on the first screen 5 is larger than the aperture of the sieve hole on the second screen 6, the processing box 2 is arranged outside the sorting box 1, and a first conveying port 7 and a second conveying port 8 are provided between the sorting box 1 and the processing box 2. The conveying port 8 and the third conveying port 9, the first conveying port 7 is located on the side of the downward inclined end of the first screen 5, the second conveying port 8 is located on the side of the downward inclined end of the second screen 6, the interior of the processing box 2 is provided with a first crushing mechanism 10 and a second crushing mechanism 11, the first crushing mechanism 10 is located between the first conveying port 7 and the second conveying port 8, the second crushing mechanism 11 is located between the second conveying port 8 and the third conveying port 9, the outside of the processing box 2 is provided with a driving mechanism 12, the driving mechanism 12 drives and connects the first crushing mechanism 10 and the second crushing mechanism 11.

[0031] When in use, limestone material to be sorted is put into the sorting box 1 through the feed pipe 3. The first screen 5 and the second screen 6 can sort the limestone twice. The limestone that meets the particle size requirements passes through the first screen 5 and the second screen 6 in turn and is discharged through the discharge pipe 4. The limestone that does not meet the particle size requirements after screening by the first screen 5 enters the interior of the processing box 2 through the first conveying port 7, and the material that does not meet the particle size requirements after screening by the second screen 6 enters the interior of the processing box 2 through the second conveying port 8. Under the action of the driving mechanism 12, the first crushing mechanism 10 and the second crushing mechanism 11 work. The first crushing mechanism 10 crushes the material that does not meet the particle size requirements after screening by the first screen 5, and the second crushing mechanism 11 crushes the unqualified material after screening by the second screen 6. At the same time, the material crushed by the first crushing mechanism 10 is crushed again to improve the crushing effect of the material. The crushed material enters the interior of the sorting box 1 through the third conveying port 9 and is discharged through the discharge pipe 4, thereby improving production efficiency.

[0032] In this embodiment, the first crushing mechanism 10 includes two first crushing rollers 13 relatively arranged inside the processing box 2, one end of the first crushing roller 13 is rotatably connected to the inner wall of the processing box 2, and the other end of the first crushing roller 13 passes through the processing box 2 and extends to the outside of the processing box 2. The first crushing roller 13 is connected to the first gear 14, and the two first gears 14 are meshed and connected, and one of the first crushing rollers 13 is connected to the driving mechanism 12.

[0033] When in use, under the action of the driving mechanism 12, the first crushing roller 13 rotates, and the first crushing roller 13 drives the first gear 14 to rotate. Under the interaction of the two first gears 14, the two first crushing rollers 13 rotate towards each other to crush the material.

[0034] In this embodiment, the second crushing mechanism 11 includes two second crushing rollers 15 relatively arranged inside the processing box 2, one end of the second crushing roller 15 is rotatably connected to the inner wall of the processing box 2, and the other end of the second crushing roller 15 passes through the processing box 2 and extends to the outside of the processing box 2. The second crushing roller 15 is connected to a second gear 16, and the two second gears 16 are meshed and connected, and one of the second crushing rollers 15 is connected to the driving mechanism 12.

[0035] When in use, under the action of the driving mechanism 12, the second crushing roller 15 rotates, and the second crushing roller 15 drives the second gear 16 to rotate. Under the interaction of the two second gears 16, the two second crushing rollers 15 rotate towards each other to crush the material.

[0036] In this embodiment, the driving mechanism 12 includes a motor 17, a double-disc pulley 18, a first single-disc pulley 19, a first belt 20, a second single-disc pulley 21 and a second belt 22. The motor 17 is arranged outside the processing box 2, and the motor 17 drives the double-disc pulley 18 to rotate. The first single-disc pulley 19 is arranged on one of the first crushing rollers 13, the first belt 20 is arranged between the first single-disc pulley 19 and the double-disc pulley 18, and the second belt 22 is arranged between the second single-disc pulley 21 and the double-disc pulley 18.

[0037] During use, the motor 17 drives the double-disc pulley 18 to rotate, the first belt 20 drives the first single-disc pulley 19 to rotate, the second belt 22 drives the second single-disc pulley 21 to rotate, the first single-disc pulley 19 drives one of the first crushing rollers 13 to rotate, the first crushing roller 13 drives the first gear 14 to rotate, under the interaction of the two first gears 14, the two first crushing rollers 13 rotate toward each other to crush the material, the second single-disc pulley 21 drives one of the second crushing rollers 15 to rotate, the second crushing roller 15 drives the two second gears 16 to rotate, under the interaction of the two second gears 16, the two second crushing rollers 15 rotate toward each other to crush the material.

[0038] In this embodiment, the distance between the two first crushing rollers 13 is greater than the distance between the two second crushing rollers 15. The two first crushing rollers 13 successively crush the large-particle limestone material screened by the first screen 5, and the two second crushing rollers 15 perform secondary crushing of the limestone, thereby improving the crushing effect of the limestone.

[0039] In this embodiment, the lower end of the interior of the sorting box 1 is a funnel-shaped structure, which facilitates the material inside the sorting box 1 to enter the interior of the discharge pipe 4.

[0040] In this embodiment, a guide block 23 is provided at the lower end of the interior of the processing box 2 . The guide block 23 facilitates the material to enter the interior of the sorting box 1 through the third conveying port 9 .

[0041] In this embodiment, a plurality of supporting legs 24 are provided at the lower end of the sorting box 1 , and the supporting legs 24 are used to support the sorting box 1 .

[0042] The working principle of a low-grade limestone sorting device in the embodiment of the present application is as follows:

[0043] The limestone material to be sorted is fed into the sorting box 1 through the feed pipe 3. The first screen 5 and the second screen 6 can sort the limestone twice. The limestone that meets the particle size requirements passes through the first screen 5 and the second screen 6 in sequence and is discharged through the discharge pipe 4. The limestone that does not meet the particle size requirements after screening by the first screen 5 enters the interior of the processing box 2 through the first conveying port 7, and the material that does not meet the particle size requirements after screening by the second screen 6 enters the interior of the processing box 2 through the second conveying port 8. Under the action of the driving mechanism 12, the first crushing mechanism 10 and the second crushing mechanism 11 work. The first crushing mechanism 10 crushes the material that does not meet the particle size requirements after screening by the first screen 5, and the second crushing mechanism 11 crushes the unqualified material after screening by the second screen 6. At the same time, the material crushed by the first crushing mechanism 10 is crushed again to improve the crushing effect of the material. The crushed material enters the interior of the sorting box 1 through the third conveying port 9 and is discharged through the discharge pipe 4, thereby improving production efficiency.

[0044] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A low-grade limestone separation device, characterized by: The conveying box is provided with a first crushing mechanism and a second crushing mechanism, and the first crushing mechanism is located between the first and second crushing mechanisms, and the conveying box is provided with a discharging outlet and a discharging outlet, and the conveying outlet is provided between the first and second crushing mechanisms.

2. A low-grade limestone separation equipment according to claim 1, characterized in that: The first crushing mechanism includes two first crushing rollers arranged opposite to each other inside the processing box, one end of the first crushing roller is rotatably connected to the inner wall of the processing box, and the other end of the first crushing roller passes through the processing box and extends to the outside of the processing box. The first crushing roller is connected to a first gear, and the two first gears are meshed and connected, and one of the first crushing rollers is connected to the driving mechanism.

3. A low-grade limestone separation equipment according to claim 2, characterized in that: The second crushing mechanism includes two second crushing rollers arranged opposite to each other inside the processing box, one end of the second crushing roller is rotatably connected to the inner wall of the processing box, and the other end of the second crushing roller passes through the processing box and extends to the outside of the processing box. The second crushing roller is connected to a second gear, and the two second gears are meshed and connected, and one of the second crushing rollers is connected to the driving mechanism.

4. A low-grade limestone separation equipment according to claim 3, characterized in that: The driving mechanism includes a motor, a double-disc pulley, a first single-disc pulley, a first belt, a second single-disc pulley and a second belt. The motor is arranged outside the processing box, and the motor drives the double-disc pulley to rotate. The first single-disc pulley is arranged on one of the first crushing rollers, the first belt is arranged between the first single-disc pulley and the double-disc pulley, and the second belt is arranged between the second single-disc pulley and the double-disc pulley.

5. A low-grade limestone separation equipment according to claim 4, characterized in that: The distance between the two first crushing rollers is greater than the distance between the two second crushing rollers.

6. The low-grade limestone separation equipment according to claim 1, characterized in that: The inner lower end of the sorting box is a funnel-shaped structure.

7. The low-grade limestone separation equipment according to claim 1, characterized in that: A guide block is provided at the lower end of the interior of the processing box.

8. The low-grade limestone separation equipment according to claim 1, characterized in that: The lower end of the sorting box is provided with a plurality of supporting legs.

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