Powder concentrator for limestone powder production
By designing a multi-stage sorting structure for limestone powder production, the problems of clogging and low sorting accuracy in manual screening equipment were solved, achieving efficient and stable limestone powder production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-03-06
AI Technical Summary
In existing limestone powder production, manual screening equipment is prone to clogging, has low selection accuracy, high labor intensity, cannot meet the needs of large-scale production, and the product quality is unstable.
A classifier for limestone powder production was designed, which adopts a multi-stage sorting structure, including a connected third, second, and first classifier tube with gradually increasing diameters. Combined with the design of a blower and a rotating box, the material is graded and screened according to its weight, avoiding clogging and improving the sorting accuracy.
This technology enables multi-stage sorting of materials, avoids uneven product quality, improves production efficiency, reduces labor intensity, and meets the needs of large-scale production.
Smart Images

Figure CN223970393U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of classifiers for limestone powder production, and in particular to a classifier for limestone powder production. Background Technology
[0002] In the early stages of limestone powder production, screening relied primarily on simple sieving equipment. This equipment typically consisted of screens with fixed apertures, utilizing differences in particle size for separation. For example, at processing points near small lime kilns, workers used manually cranked screens to initially separate large and small particles from the limestone raw material. However, this screening method had several limitations: the screens were prone to clogging, especially when processing raw materials like limestone containing moisture and sticky components, as fine particles easily adhered to the screen, reducing selection efficiency; its selection accuracy was low, making it difficult to accurately separate particles with diameters close to the screen apertures, leading to unstable product quality; and the manually operated screening equipment was labor-intensive and inefficient, unable to meet the demands of large-scale limestone powder production. Therefore, a classifier for limestone powder production was proposed to address these issues. Utility Model Content
[0003] To address the shortcomings of existing technologies, this utility model provides a classifier for limestone powder production. It solves the limitations of manually cranking sieves for preliminary separation of large and small particles in limestone raw materials; the sieves are prone to clogging, especially when processing limestone, a raw material containing a certain amount of moisture and stickiness, where fine particles easily adhere to the sieve, reducing selection efficiency; the selection accuracy is low, making it difficult to accurately separate particles with diameters close to the sieve mesh size, leading to unstable product quality; and manually operated screening equipment is labor-intensive and inefficient, unable to meet the needs of large-scale limestone powder production.
[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a classifier for limestone powder production, comprising a device body, the device body being provided with a connecting mechanism, the connecting mechanism including a vibrating material assembly disposed on the outer wall of the device body, a material distribution assembly disposed in the middle section of the device body, and a material selection assembly disposed in the lower section of the device body;
[0005] The material selection component includes a first powder selection tube fixedly connected to the inner wall of the equipment body, a first material discharge pipe connected to the bottom of the first powder selection tube, a second powder selection tube fixedly connected to the inner wall of the first powder selection tube, a second material discharge pipe connected to the bottom of the second powder selection tube, a third powder selection tube fixedly connected to the inner wall of the second powder selection tube, a third material discharge pipe connected to the bottom of the third powder selection tube, a rotating box rotatably connected to the inner wall of the third powder selection tube, and a second rotating box rotatably connected to the inner wall of the second powder selection tube.
[0006] A further improvement is that the vibrating material assembly includes a mounting ring frame fixedly connected to the outer wall of the device body, a sliding rod slidably connected to the inner wall of the mounting ring frame, a receiving spring sleeved on the outer wall of the lower section of the sliding rod, a receiving sleeve rod slidably connected to the outer wall of the sliding rod, and a receiving base plate fixedly connected to the bottom of the receiving sleeve rod.
[0007] A further improvement is that the material distribution component includes a mounting frame, a fan generator is fixedly installed on the inner wall of the mounting frame, an air duct is connected to the output end of the fan generator, a drive motor is fixedly installed at the bottom of the inner wall of the mounting frame, a rotating rod is fixedly connected to the output end of the drive motor, and a throwing disc is fixedly connected to the outer wall of the rotating rod.
[0008] A further improvement is that the rotating box and the second rotating box are evenly provided with material discharge ports; the inner wall of the connected second powder classifier is fixedly connected to a third powder classifier, and the diameters of the connected third powder classifier, second powder classifier and first powder classifier gradually increase. When the connected throwing disc and the air pipe blow air onto the blown raw material, the floating material falls into the inner cavity of the third powder classifier, second powder classifier and first powder classifier respectively according to the weight from light to heavy.
[0009] A further improvement is that the receiving spring is always in a compressed state, and the sliding rods are equidistantly arranged on the inner wall of the mounting ring frame; the inner wall of the mounting ring frame, which is fixedly connected to the outer wall of the equipment body, is slidably connected to the sliding rod, and the receiving spring sleeved on the lower section of the connected sliding rod is supported by the bottom of the mounting ring frame, and the connected sliding rod slides along the inner wall of the receiving sleeve rod.
[0010] A further improvement is that a feeding pipe is connected to the top of the equipment body; limestone powder production raw material is added into the feeding pipe through the feeding pipe, and a drive motor fixedly installed at the bottom of the mounting frame fixedly connected to the inner wall of the third powder selection pipe rotates, driving the rotating rod fixedly connected to the output end to rotate.
[0011] A further improvement is that the diameter of the third powder classifier is smaller than that of the second powder classifier, and the diameter of the second powder classifier is smaller than that of the first powder classifier; a second discharge pipe is connected to the bottom of the second powder classifier, a third powder classifier is fixedly connected to the inner wall of the second powder classifier, a third discharge pipe is connected to the bottom of the third powder classifier, a rotating box is rotatably connected to the inner wall of the third powder classifier, and a second rotating box is rotatably connected to the inner wall of the second powder classifier.
[0012] By means of the above technical solution, this utility model provides a classifier for limestone powder production, which has at least the following beneficial effects:
[0013] 1. The diameters of the third, second, and first powder-selecting pipes connected in this utility model gradually increase. When the connected throwing disc, in conjunction with the air duct, blows air onto the raw materials, the floating materials fall into the inner cavities of the third, second, and first powder-selecting pipes according to their weight, from lightest to heaviest. Rotating boxes and rotating boxes two are rotatably connected to the inner walls of the third and second powder-selecting pipes. The rotating boxes and rotating boxes two are evenly provided with dropping ports, which facilitates the separate dropping of materials along the bottom-connected third, second, and first dropping pipes, making it easier to perform multi-stage sorting of powder materials and avoiding uneven product quality.
[0014] 2. The drive motor fixedly installed at the bottom of the mounting frame inside the third powder classifier tube rotates, driving the rotating rod fixedly connected to the output end to rotate. The throwing disc fixedly connected to the outer wall of the rotating rod rotates accordingly, and the falling raw material falls onto the rotating throwing disc. The output end of the blower generator fixedly installed on the inner wall of the mounting frame is connected to the air duct, which blows the raw material off the top of the throwing disc. The heavier material falls closer to the throwing disc, while the lighter material falls farther away from the throwing disc. Attached Figure Description
[0015] The accompanying drawings, which are provided to further understand this application and constitute a part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.
[0016] In the attached diagram:
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the front structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the oblique side structure of this utility model;
[0020] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.
[0021] In the diagram: 1. Equipment body; 2. Connecting mechanism; 21. Vibrating material assembly; 211. Mounting ring frame; 212. Slide rod; 213. Supporting spring; 214. Supporting sleeve rod; 215. Supporting base plate; 22. Material distribution assembly; 221. Feeding pipe; 222. Mounting frame; 223. Blower generator; 224. Air duct; 225. Drive motor; 226. Rotating rod; 227. Throwing disc; 23. Material selection assembly; 231. First powder selection pipe; 232. Second powder selection pipe; 233. Third powder selection pipe; 234. Rotating box; 235. Rotating box two; 236. First discharge pipe; 237. Second discharge pipe; 238. Third discharge pipe. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example 1:
[0024] Workers use manually cranked sieves to initially separate large and small particles in limestone raw materials. However, this screening method has many limitations: the screen is prone to clogging, especially when processing raw materials like limestone that contain a certain amount of moisture and sticky components, as fine particles easily adhere to the screen, reducing selection efficiency; its selection accuracy is low, and it is difficult to accurately separate particles with a diameter close to the screen mesh size, resulting in unstable product quality; manually operated screening equipment is labor-intensive and inefficient, and cannot meet the needs of large-scale limestone powder production. This embodiment provides a classifier for limestone powder production; please refer to... Figures 1-4 An embodiment provides a classifier for limestone powder production, including a device body 1. The device body 1 is provided with a connecting mechanism 2, which includes a vibrating material assembly 21 disposed on the outer wall of the device body 1. A material distribution assembly 22 is disposed in the middle section of the device body 1, and a classification assembly 23 is disposed in the lower section of the device body 1. The classification assembly 23 includes a first classification pipe 231 fixedly connected to the inner wall of the device body 1. A first discharge pipe 236 is connected to the bottom of the first classification pipe 231. A second classification pipe 232 is fixedly connected to the inner wall of the first classification pipe 231. A second discharge pipe 237 is connected to the bottom of the second classification pipe 232. A third classification pipe 233 is fixedly connected to the inner wall of the second classification pipe 232. A third discharge pipe 238 is connected to the bottom of the third classification pipe 233. A rotating box 234 is rotatably connected to the inner wall of the third classification pipe 233, and a rotating box 235 is rotatably connected to the inner wall of the second classification pipe 232.
[0025] In this embodiment, a second powder-selecting pipe 232 is fixedly connected to the inner wall of the first powder-selecting pipe 231, which is fixedly connected to the inner wall of the equipment body 1. A third powder-selecting pipe 233 is fixedly connected to the inner wall of the second powder-selecting pipe 232. The diameters of the third powder-selecting pipe 233, the second powder-selecting pipe 232, and the first powder-selecting pipe 231 gradually increase. When the connected throwing disc 227, in conjunction with the air duct 224, blows air onto the blown raw material, the floating material falls into the third powder-selecting pipe according to its weight, from lightest to heaviest. Inside the cavities of tube 233, second powder-selecting tube 232 and first powder-selecting tube 231, rotating boxes 234 and 235 are rotatably connected to the inner walls of the connected third powder-selecting tube 233 and second powder-selecting tube 232. The rotating boxes 234 and 235 are evenly provided with discharge ports, which facilitates the separate discharge of materials along the bottom-connected third discharge tube 238, second discharge tube 237 and first discharge tube 236, which facilitates multi-stage sorting of powder materials and avoids uneven product quality.
[0026] Furthermore, rotating box 234 and rotating box 235 are evenly provided with material discharge openings;
[0027] Furthermore, when the connected throwing disc 227, in conjunction with the air duct 224, blows air onto the blown raw materials, the floating materials fall into the inner cavities of the third powder classifier 233, the second powder classifier 232, and the first powder classifier 231 respectively, according to their weight from lightest to heaviest. Rotating boxes 234 and 235 are rotatably connected to the inner walls of the connected third powder classifier 233 and second powder classifier 232. The rotating boxes 234 and 235 are evenly provided with dropping ports, which facilitates the separate dropping of materials along the bottom-connected third dropping pipe 238, second dropping pipe 237, and first dropping pipe 236, making it easier for the powder materials to be sorted in multiple stages and avoiding uneven product quality.
[0028] Example 2:
[0029] Based on Embodiment 1, the vibrating material assembly 21 includes a mounting ring frame 211 fixedly connected to the outer wall of the equipment body 1. A sliding rod 212 is slidably connected to the inner wall of the mounting ring frame 211. A receiving spring 213 is sleeved on the lower outer wall of the sliding rod 212. A receiving sleeve rod 214 is slidably connected to the outer wall of the sliding rod 212. A receiving base plate 215 is fixedly connected to the bottom of the receiving sleeve rod 214. The material distribution assembly 22 includes a mounting frame 222. A fan generator 223 is fixedly installed on the inner wall of the mounting frame 222. A duct 224 is connected to the output end of the fan generator 223. A drive motor 225 is fixedly installed at the bottom of the inner wall of the mounting frame 222. A rotating rod 226 is fixedly connected to the output end of the drive motor 225. A throwing disc 227 is fixedly connected to the outer wall of the rotating rod 226.
[0030] In this embodiment, a feeding pipe 221 is connected to the top of the equipment body 1. Limestone powder production raw material is added into the feeding pipe 221. The drive motor 225, which is fixedly installed at the bottom of the inner wall of the mounting frame 222, which is fixedly connected to the inner wall of the third powder separation pipe 233, runs and drives the rotating rod 226, which is fixedly connected to the output end, to rotate. The throwing disc 227, which is fixedly connected to the outer wall of the rotating rod 226, rotates accordingly. The falling raw material falls onto the rotating throwing disc 227. The blower generator 223, which is fixedly installed on the inner wall of the mounting frame 222, has an air duct 224 connected to its output end. The blower blows the raw material that has rotated away from the top of the throwing disc 227. The material with a large mass falls to a position closer to the throwing disc 227, while the material with a small mass falls to a position farther away from the throwing disc 227.
[0031] The running drive motor 225 drives the connected equipment body 1 to vibrate. The inner wall of the mounting ring frame 211, which is fixedly connected to the outer wall of the equipment body 1, is slidably connected to the slide rod 212. The supporting spring 213, which is sleeved on the lower outer wall of the slide rod 212, is supported by the bottom of the mounting ring frame 211. The slide rod 212 slides along the inner wall of the supporting sleeve 214, and the supporting spring 213 is compressed. The supporting spring 213 drives the slide rod 212 to move upward in the opposite direction, and the connected equipment body 1 shakes slightly up and down, effectively avoiding material blockage and affecting the overall powder selection efficiency.
[0032] Furthermore, the receiving spring 213 is always in a compressed state, and the slide rods 212 are equidistantly arranged on the inner wall of the mounting ring frame 211; the top of the equipment body 1 is connected to the feeding pipe 221.
[0033] Furthermore, the operating drive motor 225 drives the connected equipment body 1 to vibrate. The inner wall of the mounting ring frame 211, which is fixedly connected to the outer wall of the equipment body 1, is slidably connected to a slide rod 212. The supporting spring 213, which is sleeved on the lower outer wall of the connected slide rod 212, is supported by the bottom of the mounting ring frame 211. The connected slide rod 212 then slides on the inner wall of the supporting sleeve 214.
[0034] Working principle: A feeding pipe 221 is connected to the top of the equipment body 1. Limestone powder raw material is added into the feeding pipe 221. The drive motor 225, which is fixedly installed at the bottom of the inner wall of the mounting frame 222, which is fixedly connected to the inner wall of the third powder separation pipe 233, runs and drives the rotating rod 226, which is fixedly connected to the output end, to rotate. The throwing plate 227, which is fixedly connected to the outer wall of the rotating rod 226, rotates accordingly. The falling raw material falls onto the rotating throwing plate 227. The blower generator 223, which is fixedly installed on the inner wall of the mounting frame 222, has an air duct 224 connected to its output end. The blower blows the raw material that has rotated away from the top of the throwing plate 227. The heavier material falls closer to the throwing plate 227, while the lighter material falls further away from the throwing plate 227.
[0035] A second powder-selecting pipe 232 is fixedly connected to the inner wall of the first powder-selecting pipe 231, which is fixedly connected to the inner wall of the equipment body 1. A third powder-selecting pipe 233 is fixedly connected to the inner wall of the second powder-selecting pipe 232. The diameters of the third powder-selecting pipe 233, the second powder-selecting pipe 232, and the first powder-selecting pipe 231 gradually increase. When the connected throwing disc 227, in conjunction with the air duct 224, blows air onto the blown raw materials, the floating materials fall into the third powder-selecting pipe 233 according to their weight, from lightest to heaviest. Inside the second powder separation tube 232 and the first powder separation tube 231, rotating boxes 234 and 235 are rotatably connected to the inner walls of the connected third powder separation tube 233 and the second powder separation tube 232. The rotating boxes 234 and 235 are evenly provided with discharge ports, which facilitates the material to be discharged separately along the bottom-connected third discharge tube 238, second discharge tube 237 and first discharge tube 236, which facilitates multi-stage separation of powder materials and avoids uneven product quality.
[0036] The running drive motor 225 drives the connected equipment body 1 to vibrate. The inner wall of the mounting ring frame 211, which is fixedly connected to the outer wall of the equipment body 1, is slidably connected to the slide rod 212. The supporting spring 213, which is sleeved on the lower outer wall of the slide rod 212, is supported by the bottom of the mounting ring frame 211. The slide rod 212 slides along the inner wall of the supporting sleeve 214, and the supporting spring 213 is compressed. The supporting spring 213 drives the slide rod 212 to move upward in the opposite direction, and the connected equipment body 1 shakes slightly up and down, effectively avoiding material blockage and affecting the overall powder selection efficiency.
[0037] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A sizer for producing limestone powder, comprising an apparatus body (1), characterized in that: The device body (1) is provided with a connecting mechanism (2), which comprises a material shaking assembly (21) provided on the outer wall of the device body (1), a material distributing assembly (22) provided in the middle section of the device body (1), and a material selecting assembly (23) provided in the lower section of the device body (1); The material selecting assembly (23) comprises a first powder selecting pipe (231) fixedly connected to the inner wall of the device body (1), a first material falling pipe (236) communicated and provided at the bottom of the first powder selecting pipe (231), a second powder selecting pipe (232) fixedly connected to the inner wall of the first powder selecting pipe (231), a second material falling pipe (237) communicated and provided at the bottom of the second powder selecting pipe (232), a third powder selecting pipe (233) fixedly connected to the inner wall of the second powder selecting pipe (232), a third material falling pipe (238) communicated and provided at the bottom of the third powder selecting pipe (233), a rotating box (234) rotatably connected to the inner wall of the third powder selecting pipe (233), and a rotating box two (235) rotatably connected to the inner wall of the second powder selecting pipe (232).
2. A sizer for the production of limestone powder according to claim 1, characterized in that: The material shaking assembly (21) comprises a mounting ring frame (211) fixedly connected to the outer wall of the device body (1), a sliding rod (212) slidably connected to the inner wall of the mounting ring frame (211), a bearing spring (213) sleeved to the outer wall of the lower section of the sliding rod (212), and a bearing sleeve rod (214) slidably connected to the outer wall of the sliding rod (212), and a bearing base plate (215) fixedly connected to the bottom of the bearing sleeve rod (214).
3. A sizer for the production of limestone powder according to claim 1, characterized in that: The material distributing assembly (22) comprises a mounting frame (222), a fan generator (223) fixedly installed on the inner wall of the mounting frame (222), a wind pipe (224) communicated and provided at the output end of the fan generator (223), a driving motor (225) fixedly installed on the inner wall of the mounting frame (222), a rotating rod (226) fixedly connected to the output end of the driving motor (225), and a material throwing disc (227) fixedly connected to the outer wall of the rotating rod (226).
4. A sizer for the production of limestone powder according to claim 1, characterized in that: The rotating box (234) and the rotating box two (235) are uniformly provided with material falling ports.
5. A sizer for the production of limestone powder according to claim 2, characterized in that: The bearing spring (213) is always in a compressed state, and the sliding rod (212) is equidistantly arranged on the inner wall of the mounting ring frame (211).
6. A sizer for the production of limestone powder according to claim 3, characterized in that: The device body (1) is provided with a feeding pipe (221) at the top.
7. A sizer for limestone powder production as claimed in claim 1, characterized in that: The caliber of the third powder selecting pipe (233) is smaller than that of the second powder selecting pipe (232), and the caliber of the second powder selecting pipe (232) is smaller than that of the first powder selecting pipe (231).