Longitudinal swinging flour mill capable of increasing grinding contact area
By adopting equilibrium grinding rollers, grinding rings and forced turbine graders in a vertical pendulum grinding machine, the problems of small grinding contact area and incomplete collection of finished products are solved, and a larger grinding area and finer particle size are achieved. , improves equipment efficiency and environmental performance.
Patent Information
- Application Number
- CN202420386505.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-28
AI Technical Summary
The existing vertical pendulum grinders have the problem that the grinding contact area is small, the finished product particle size is only within the range of 80-325 mesh, and the finished product collection is incomplete.
采用全新的纵摆磨辊装置,磨辊与磨环在研磨过程中始终处于平衡状态,形成均匀的线接触研磨区,增加了研磨接触面积,并通过强制涡轮分级机和负压、二级收 Dust efficient dust collector, expands the finished product particle size range and improves the finished product collection efficiency.
The grinding contact area is significantly increased, the finished product particle size range is expanded to 80-800 mesh, the finished product collection efficiency is improved, the machine vibration and noise is reduced, the overall performance and efficiency are improved, and the unit power consumption cost is saved by more than 30%.
Smart Images
Figure CN222132078U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grinding mills, in particular to a vertical swing grinding mill capable of increasing the grinding contact area. Background Art
[0002] Vertical pendulum mill is suitable for grinding limestone, calcite, marble, talc, gypsum, barite, fluorite, zeolite, manganese ore, ilmenite, phosphate rock, bentonite, starch, kaolin and other non-flammable and explosive materials with hardness below Mohs 7 and humidity below 6%. The fineness can be adjusted arbitrarily between 0.18-0.015 (80-800 mesh).
[0003] The existing vertical pendulum mill has the problems of small grinding contact area, particle size of finished products only in the range of 80-325 mesh, and incomplete collection of finished products when in use. Therefore, there is an urgent need for a vertical pendulum mill that can increase the grinding contact area to solve the above technical problems. Utility Model Content
[0004] The purpose of the utility model is to provide a longitudinal pendulum mill capable of improving the grinding contact area, so as to solve the problems that the existing longitudinal pendulum mill proposed in the above-mentioned background technology has a small grinding contact area during use, the particle size of the finished product is only in the range of 80-325 meshes, and the finished product is not completely collected.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A longitudinal pendulum grinding mill capable of improving grinding contact area comprises a classifier shell and a chassis, the bottom of the classifier shell is connected to the chassis, the top of the classifier shell is connected to a connecting pipe, one side of the connecting pipe is provided with an air outlet, the top of the connecting pipe is installed with a motor, the inner top of the classifier shell is installed with a classifier rotor, one side of the classifier shell is connected with a pulse dust collector through an air supply pipe, an air outlet is provided on the right side wall of the pulse dust collector, the right end of the chassis is connected with a screw feeder, the upper right end of the screw feeder is connected with a feeding port, a scraper is installed inside the chassis, a plum blossom frame is installed inside the classifier shell and directly below the classifier rotor, a grinding ring is installed on the lower outer side of the plum blossom frame, a grinding roller is installed on the lower inner side of the plum blossom frame, and one side of the chassis is connected with an air inlet.
[0007] As a preferred technical solution of the utility model, the left end of the screw feeder extends to above the scraper.
[0008] As a preferred technical solution of the utility model, the number of the grinding rings is set to be multiple.
[0009] As a preferred technical solution of the utility model, the number of the grinding rollers is set to be multiple.
[0010] As a preferred technical solution of the utility model, a power motor is installed at the bottom of the chassis, and the output shaft of the power motor passes through the chassis and is connected to the internal scraper.
[0011] As a preferred technical solution of the utility model, the grinding roller and the grinding ring are both made of wear-resistant high-chromium alloy material.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. The utility model adopts a new vertical swing grinding roller device. The grinding roller and the grinding ring are always in a balanced state during the grinding process, forming a uniform line contact grinding area. Compared with 4R and 5R, the height of the grinding roller and the grinding ring is increased from the original 160mm and 190mm to 200mm and 210mm, which greatly increases the grinding contact area.
[0014] 2. The classifier of the utility model adopts a forced turbine classifier, which expands the particle size of the finished product from the original 80-325 mesh range to the 80-800 mesh range. The wind conveying and finished product collection system is updated to a negative pressure, two-stage dust collection and high-efficiency dust collector, which makes the finished product collection more thorough. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a cross-sectional structural diagram of the connection relationship between the housing and the chassis of the classifier of the utility model;
[0018] Figure 3 It is a structural schematic diagram of the scraper of the utility model.
[0019] In the figure: 1. Classifier casing; 2. Chassis; 3. Motor; 4. Screw feeder; 5. Feed inlet; 6. Pulse dust collector; 7. Air outlet; 8. Classifier rotor; 9. Plum blossom frame; 10. Air inlet; 11. Grinding roller; 12. Grinding ring; 13. Shovel; 14. Connecting pipe; 15. Air outlet. DETAILED DESCRIPTION
[0020] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The different types of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, nor are there any requirements for the materials of the components, but are used to distinguish the cross-sectional views of the components in the drawings.
[0021] See also Figure 1-3 A longitudinal pendulum grinding mill capable of improving the grinding contact area comprises a classifier housing 1 and a chassis 2, the bottom of the classifier housing 1 is connected to the chassis 2, the top of the classifier housing 1 is connected to a connecting pipe 14, one side of the connecting pipe 14 is provided with an air outlet 15, the top of the connecting pipe 14 is installed with a motor 3, the inner top of the classifier housing 1 is installed with a classifier rotor 8, one side of the classifier housing 1 is connected with a pulse dust collector 6 through an air supply pipe, an air outlet 7 is provided on the right side wall of the pulse dust collector 6, a screw feeder 4 is connected to the right end of the chassis 2, a feed inlet 5 is connected to the upper right end of the screw feeder 4, a scraper 13 is installed inside the chassis 2, a plum blossom frame 9 is installed inside the classifier housing 1 and directly below the classifier rotor 8, a grinding ring 12 is installed on the lower outer side of the plum blossom frame 9, a grinding roller 11 is installed on the lower inner side of the plum blossom frame 9, and an air inlet 10 is connected to one side of the chassis 2.
[0022] The left end of the screw feeder 4 extends to above the scraper 13 .
[0023] The number of the grinding rings 12 is set to be multiple.
[0024] The number of grinding rollers 11 is multiple.
[0025] A power motor is installed at the bottom of the chassis 2 , and the output shaft of the power motor passes through the chassis 2 and is connected to the internal scraper 13 .
[0026] The grinding roller 11 and the grinding ring 12 are both made of wear-resistant high-chromium alloy material.
[0027] The working principle and use process of the utility model are as follows: first, the material is poured in from the feed port 5 and transported to the top of the scraper 13 through the screw feeder 4, the scraper 13 is driven to rotate by the power motor, and the grinding roller 11 and the grinding ring 12 are used to grind the material, and the finally formed powder is blown upward by the fan connected to the air inlet 10, and the classifier rotor 8 is driven by the motor 3 to work, so that the classifier rotor 8 classifies the powder, and the powder that meets the standard is discharged from the air outlet 15, and the powder that does not meet the standard is blocked by the classifier rotor 8 and returned to the classifier housing 1 for repeated grinding, and the gas containing dust is transported to the pulse dust collector 6 through the air supply pipeline for dust removal, and finally the dust-removed gas is discharged from the air outlet 7;
[0028] The new vertical swing grinding roller device is adopted. The grinding roller 11 and the grinding ring 12 are always in a balanced state during the grinding process, forming a uniform line contact grinding area. The height of the grinding roller 11 and the grinding ring 12 is increased from 160mm and 190mm to 200mm and 210mm compared with 4R and 5R, which greatly increases the grinding contact area.
[0029] The classifier adopts a forced turbine classifier, which expands the particle size of the finished product from the original 80-325 mesh range to the 80-800 mesh range. The new technology (plum blossom frame and vertical swing grinding roller device) has an advanced and reasonable structure, very small machine vibration, low noise, stable mechanical operation, reliable performance, and high efficiency and energy saving;
[0030] The material processing volume per unit grinding time is larger and the efficiency is higher. Compared with the R-type pendulum mill, the total power remains unchanged, the output increases by more than 40% year-on-year, and the unit power consumption cost is saved by more than 30%. It is a truly efficient and energy-saving mill product. The pulse dust collector 6 has a collection efficiency of 99.99%, ensuring that emissions meet environmental protection standards. The contents not described in detail in this description belong to the existing technology known to professional and technical personnel in this field.
[0031] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.
Claims
1. A vertical pendulum grinding machine capable of increasing the grinding contact area, comprising a classifier housing (1) and a chassis (2), characterized in that: The bottom of the classifier housing (1) is connected to a chassis (2), the top of the classifier housing (1) is connected to a connecting pipe (14), one side of the connecting pipe (14) is provided with an air outlet (15), the top of the connecting pipe (14) is provided with a motor (3), the top of the classifier housing (1) is provided with a classifier rotor (8), one side of the classifier housing (1) is connected to a pulse dust collector (6) via an air supply pipe, and the right side wall of the pulse dust collector (6) is provided with an air outlet ( 7), the right end of the chassis (2) is connected to a screw feeder (4), the upper right end of the screw feeder (4) is connected to a feed inlet (5), a scraper (13) is installed inside the chassis (2), a plum blossom frame (9) is installed inside the classifier housing (1) and directly below the classifier rotor (8), a grinding ring (12) is installed on the lower outer side of the plum blossom frame (9), a grinding roller (11) is installed on the lower inner side of the plum blossom frame (9), and an air inlet (10) is connected to one side of the chassis (2).
2. A vertical pendulum grinding mill capable of increasing the grinding contact area according to claim 1, characterized in that: The left end of the screw feeder (4) extends to above the scraper (13).
3. A vertical pendulum mill capable of increasing the grinding contact area according to claim 1, characterized in that: The number of the grinding rings (12) is set to be multiple.
4. A vertical pendulum grinding mill capable of increasing the grinding contact area according to claim 1, characterized in that: The number of the grinding rollers (11) is set to be multiple.
5. A vertical pendulum grinding mill capable of increasing grinding contact area according to claim 1, characterized in that: A power motor is installed at the bottom of the chassis (2), and the output shaft of the power motor passes through the chassis (2) and is connected to the scraper (13) inside.
6. A vertical pendulum grinding mill capable of increasing grinding contact area according to claim 1, characterized in that: The grinding roller (11) and the grinding ring (12) are both made of wear-resistant high-chromium alloy material.