Raw material discharging and conveying device for quick lime production equipment

Abstract

The utility model discloses a raw material discharging and conveying device for quick lime production equipment, and belongs to the technical field of quick lime production equipment. Comprising a calcining furnace and a screening bin, the calcining furnace is connected with the screening bin through a discharging pipe at the lower end, a feeding hopper is arranged at the upper end of the calcining furnace, a first-stage material conveying mechanism is arranged in the calcining furnace, and a second-stage material conveying mechanism is arranged in the screening bin. The conveying device solves the problems that when a conveying device of quick lime production equipment in the prior art conveys raw materials, due to the fact that the initial diameter of limestone is not uniform, blocking and blocking can be caused in the conveying process, conveying is not smooth, the discharging efficiency is reduced, and the product quality is affected. By matching with the grinding ring and the screen drum in the screening bin, the functions of conveying, grinding, stirring and screening the materials can be sequentially realized, the product quality is improved, the discharging speed is greatly increased, and smooth discharging is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of quicklime production equipment, and specifically relates to a raw material discharging and conveying device for quicklime production equipment. Background Technique

[0002] Calcium oxide, commonly known as quicklime or lime, is a common inorganic compound. Calcium oxide is usually obtained from limestone or shells. Substances containing calcium carbonate are calcined to decompose into calcium oxide and carbon dioxide. The Chinese patent with the publication number CN219620178U discloses a raw material conveying device for calcium oxide production. This patent moves through a conveyor belt. The cleaning plate is closely attached to the wall surface of the conveyor belt through an extrusion plate. The friction structure on the connecting block generates vibrations as the conveyor belt moves. The vibrations are transmitted to the extrusion plate through the connecting block, causing the extrusion plate to swing slightly. The extrusion plate drives the cleaning plate to swing. When the cleaning plate swings, it impacts the side surface of the conveyor belt, improving the cleaning effect of the cleaning plate.

[0003] However, the above-mentioned prior art solutions still have the following defects:

[0004] When the conveying device of the existing quicklime production equipment conveys raw materials, due to the uneven initial diameters of the limestone, blockage and jamming will occur during the conveying process, resulting in unsmooth conveying, reducing the discharging efficiency, and affecting the product quality. Content of the Utility Model

[0005] The purpose of the utility model is to provide a raw material discharging and conveying device for quicklime production equipment. By setting a secondary material conveying mechanism and cooperating with the grinding ring and the sieve cylinder in the screening bin, the functions of conveying, grinding, and stirring and screening of materials can be realized in sequence, greatly improving the discharging speed while improving the product quality, ensuring smooth discharging, and solving the problems in the prior art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A raw material discharging and conveying device for quicklime production equipment, including a calcination furnace and a screening bin. The calcination furnace is connected to the screening bin through a discharging pipe at the lower end. An inlet hopper is arranged at the upper end of the calcination furnace. A primary material conveying mechanism is arranged inside the calcination furnace. A secondary material conveying mechanism is arranged inside the screening bin. A discharging pipe is arranged at the lower end of the screening bin.

[0007] Preferably, the primary material conveying mechanism includes a first motor. The first motor is located on one side of the calcination furnace. A first rotating shaft is arranged at the output end of the first motor. A spiral blade is arranged on the outer wall of the first rotating shaft.

[0008] Preferably, the secondary material conveying mechanism includes a second motor located on one side of the screening bin. A second rotating shaft is provided at the output end of the second motor, and spiral conveying blades are arranged on the outer wall of the second rotating shaft.

[0009] Preferably, a grinding block is fixedly arranged on one side of the spiral conveying blade, and a stirring rod is arranged on one side of the grinding block.

[0010] Preferably, a grinding ring is fixedly arranged on the inner wall of the screening bin, and a screening cylinder is fixedly arranged on one side of the grinding ring.

[0011] Preferably, a guiding block is arranged below the screening cylinder.

[0012] Preferably, a heating cavity is arranged inside the whole body of the calcining furnace. A heating ring is arranged inside the heating cavity, and heat conduction holes are formed on the inner wall of the calcining furnace.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The raw material discharging and conveying device for a quicklime production equipment of the present utility model, compared with the prior art, by arranging a secondary material conveying mechanism and cooperating with the grinding ring and the screening cylinder in the screening bin, can sequentially realize the functions of conveying, grinding and stirring and screening of materials, greatly improve the discharging speed while improving the product quality, ensure smooth discharging, and has strong practicability.

[0015] 2. The raw material discharging and conveying device for a quicklime production equipment of the present utility model, compared with the prior art, by arranging a primary material conveying mechanism in the calcining furnace, while conveying limestone, can complete the stirring function of the material, make the limestone heated evenly. Heat conduction holes are formed on the inner wall of the calcining furnace, and the heat conduction holes can accelerate the calcining temperature, so that the heat generated by the heating ring can fully calcine the crushed limestone, and further improve the calcining effect on the limestone. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structural schematic diagram of the present utility model;

[0017] Figure 2 is the sectional structural schematic diagram of the calcining furnace of the present utility model;

[0018] Figure 3 is the sectional structural schematic diagram of the screening bin of the present utility model;

[0019] Figure 4 is the structural schematic diagram of the secondary material conveying mechanism of the present utility model.

[0020] In the figure: 1, calcining furnace; 2, screening bin; 5, primary material conveying mechanism; 6, secondary material conveying mechanism; 101, feed hopper; 102, discharge pipe; 103, heating cavity; 104, heat conduction hole; 201, discharge pipe; 202, grinding ring; 203, guide block; 204, sieve drum; 501, first motor; 502, first rotating shaft; 503, spiral blade; 601, second motor; 602, second rotating shaft; 603, stirring rod; 604, spiral conveying blade; 605, grinding block. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] In order to solve the technical problems that when the conveying device of the existing quicklime production equipment conveys raw materials, due to the uneven initial diameters of the limestone, blockage and jamming will occur during the conveying process, resulting in unsmooth conveying, reduced discharge efficiency, and affecting the product quality, please refer to Figures 1-4 , and the following technical solutions are provided:

[0023] In this embodiment, a raw material discharge conveying device for a quicklime production equipment includes a calcining furnace 1 and a screening bin 2. The calcining furnace 1 is connected to the screening bin 2 through a discharge pipe 102 at the lower end. A feed hopper 101 is provided at the upper end of the calcining furnace 1. A primary material conveying mechanism 5 is provided inside the calcining furnace 1, and a secondary material conveying mechanism 6 is provided inside the screening bin 2. A discharge pipe 201 is provided at the lower end of the screening bin 2. The crushed limestone is sent into the calcining furnace 1 for calcination and then conveyed into the screening bin 2 for grinding and screening, greatly improving the discharge speed.

[0024] The primary material conveying mechanism 5 includes a first motor 501. The first motor 501 is located on one side of the calcining furnace 1. A first rotating shaft 502 is provided at the output end of the first motor 501. A spiral blade 503 is provided on the outer wall of the first rotating shaft 502. By starting the first motor 501, its output end drives the first rotating shaft 502 to rotate, thereby driving the spiral blade 503 to convey the limestone. At the same time, it has the function of stirring the material, making the limestone evenly heated. A heating cavity 103 is provided inside the whole body of the calcining furnace 1. A heating ring is provided inside the heating cavity 103. Heat conduction holes 104 are opened on the inner wall of the calcining furnace 1. The heat conduction holes 104 can accelerate the calcination temperature, enabling the heating ring to fully calcine the crushed limestone and further improving the calcination effect on the limestone.

[0025] In this embodiment, the secondary material conveying mechanism 6 includes a second motor 601. The second motor 601 is located on one side of the screening bin 2. A second rotating shaft 602 is provided at the output end of the second motor 601. A spiral conveying blade 604 is provided on the outer wall of the second rotating shaft 602. A grinding block 605 is fixedly provided on one side of the spiral conveying blade 604. A stirring rod 603 is provided on one side of the grinding block 605. A grinding ring 202 is fixedly provided on the inner wall of the screening bin 2. By starting the second motor 601, its output end drives the second rotating shaft 602 to rotate, thereby driving the spiral conveying blade 604, the grinding block 605 and the stirring rod 603 to rotate together. The spiral conveying blade 604 is used to convey the limestone discharged from the calciner 1. Through the cooperation of the grinding block 605 and the grinding ring 202, the limestone can be further ground, thereby improving the quality of the product.

[0026] A sieve cylinder 204 is provided on one side of the grinding ring 202, which can screen the ground limestone. The stirring rod 603 stirs the limestone driven by the second rotating shaft 602, improving the screening effect and avoiding the blockage of the sieve holes at the same time. A guide block 203 is provided below the sieve cylinder 204. The guide block 203 plays a guiding role, facilitating the lead of quicklime to the discharge pipe 201 for discharge, ensuring smooth discharge.

[0027] Working principle: During use, the crushed limestone is fed into the calciner 1 through the feed hopper 101. By starting the first motor 501, its output end drives the first rotating shaft 502 to rotate, thereby driving the spiral blade 503 to convey the limestone, and at the same time completing the stirring function of the material, making the limestone heated evenly. A heating cavity 103 is provided inside the whole body of the calciner 1. A heating ring is provided inside the heating cavity 103. Heat conduction holes 104 are provided on the inner wall of the calciner 1. The heat conduction holes 104 can accelerate the calcination temperature, enabling the heating ring to fully calcine the crushed limestone, further improving the calcination effect of the limestone. Then the decomposed limestone enters the screening bin 2 through the discharge pipe 102. Start the second motor 601, its output end drives the second rotating shaft 602 to rotate, thereby driving the spiral conveying blade 604, the grinding block 605 and the stirring rod 603 to rotate together. The spiral conveying blade 604 is used to convey the limestone discharged from the calciner 1. Through the cooperation of the grinding block 605 and the grinding ring 202, the limestone can be further ground, thereby improving the quality of the product. The sieve cylinder 204 on one side of the grinding ring 202 can screen the ground limestone. The stirring rod 603 stirs the limestone driven by the second rotating shaft 602, improving the screening effect and avoiding the blockage of the sieve holes at the same time. A guide block 203 is provided below the sieve cylinder 204. The guide block 203 plays a guiding role, facilitating the lead of quicklime to the discharge pipe 201 for discharge, ensuring smooth discharge.

[0028] It should be noted that, in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A raw material discharging and conveying device for quicklime production equipment, comprising a calcining furnace (1) and a screening bin (2), characterized in that: The calcining furnace (1) is connected to the screening bin (2) via a discharge pipe (102) at the lower end; a feed hopper (101) is provided at the upper end of the calcining furnace (1); a primary material conveying mechanism (5) is provided inside the calcining furnace (1); a secondary material conveying mechanism (6) is provided inside the screening bin (2); and a discharge pipe (201) is provided at the lower end of the screening bin (2).

2. A raw material discharging and conveying device for quicklime production equipment according to claim 1, characterized in that: The primary material conveying mechanism (5) comprises a first motor (501), the first motor (501) is located on one side of the calcining furnace (1), a first rotating shaft (502) is arranged on the output end of the first motor (501), and a spiral blade (503) is arranged on the outer wall of the first rotating shaft (502).

3. A raw material discharging and conveying device for quicklime production equipment according to claim 1, characterized in that: The secondary material conveying mechanism (6) comprises a second motor (601), the second motor (601) is located on one side of the screening bin (2), a second rotating shaft (602) is arranged on the output end of the second motor (601), and a spiral conveying blade (604) is arranged on the outer wall of the second rotating shaft (602).

4. A raw material discharging and conveying device for quicklime production equipment according to claim 3, characterized in that: A grinding block (605) is fixedly arranged on one side of the spiral conveying blade (604), and a stirring rod (603) is arranged on one side of the grinding block (605).

5. A raw material discharging and conveying device for quicklime production equipment according to claim 4, characterized in that: A grinding ring (202) is fixedly arranged on the inner wall of the screening bin (2), and a sieve cylinder (204) is fixedly arranged on one side of the grinding ring (202).

6. A raw material discharging and conveying device for quicklime production equipment according to claim 5, characterized in that: A guide block (203) is provided below the screen drum (204).

7. A raw material discharging and conveying device for quicklime production equipment according to claim 1, characterized in that: A heating chamber (103) is arranged inside the calcining furnace (1), a heating ring is arranged inside the heating chamber (103), and a heat conducting hole (104) is opened on the inner wall of the calcining furnace (1).

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