Anti-blocking structure for vertical roller mill
By designing an anti-blocking structure in a vertical roller mill, including the feed structure and the grinding disc main body, the blockage problem caused by high humidity is solved, the grinding efficiency is improved, and the normal operation of the mill is ensured.
Patent Information
- Application Number
- CN202421068713.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-16
AI Technical Summary
In vertical roller mills, materials adhere to the feed port due to high humidity, resulting in clogging, affecting the efficiency of the mill, and it is difficult for large pieces of materials to quickly reach the edge position, resulting in low grinding efficiency.
An anti-blocking structure for vertical roller mills is designed, including feed structure, grinding disc main body and grinding structure. The feed structure uses components such as rolling shaft, drive motor, filter, flow guide plate and heating tube to achieve uniform input and drying of materials to prevent blockage. The main body of the grinding disc improves the movement efficiency of materials on the grinding disc through the design of wear-resistant plate and pad.
It effectively prevents the blockage of materials at the feed port, improves the grinding efficiency of materials, and ensures the normal operation of the vertical roller mill.
Smart Images
Figure CN222606558U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vertical roller mills, in particular to a material blocking prevention structure for vertical roller mills. Background Art
[0002] Vertical roller mill is a machine used for grinding cement raw material, cement clinker, slag and coal cinder. It has the characteristics of simple structure, low manufacturing and use cost. It can be widely used in electric power, metallurgy, solid waste treatment, cement, chemical industry, non-metallic minerals and other industries. It is mainly used for grinding cement raw material, clinker, desulfurized limestone powder, slag, steel slag manganese ore, coal mine, phosphate rock and other materials.
[0003] When grinding with a vertical roller mill, some materials are easily adhered to the feed port due to high humidity, causing blockage, which in turn affects the use of the vertical roller mill. When grinding materials, the grinding disc rotates, causing the materials to move to the edge under the action of centrifugal force, and then to be ground through the grinding structure. However, for large pieces of material, the gravity is large and it is difficult to quickly reach the edge position, so they accumulate in the center of the grinding disc, resulting in low grinding efficiency. For this reason, we propose an anti-blocking structure for a vertical roller mill. Utility Model Content
[0004] The main purpose of the utility model is to provide a material blocking prevention structure for a vertical roller mill, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A material blocking prevention structure for a vertical roller mill comprises a base, wherein the upper surface of the base is located in the middle position and a vertical roller mill body is fixedly installed thereon, the upper surface of the base is located inside the vertical roller mill body and a grinding disc body is embedded and installed thereon, a classifier is embedded and installed near the upper position inside the vertical roller mill body, a discharge port is embedded and installed near the upper position on the surface of the vertical roller mill body, grinding structures are embedded and installed at both sides of the upper surface of the vertical roller mill body, the grinding structures are divided into two groups, and a feeding structure is fixedly installed at the rear of the vertical roller mill body on the upper surface of the base.
[0007] Furthermore, the feed structure includes a feed port, a baffle, a rolling shaft, a filter, a guide plate, a fan, an outer frame, a conveying pipe, an electric heating pipe, and a driving motor. The rear surface of the outer frame is located near the lower position and is embedded with a fan, the front surface of the outer frame is located in the middle position and is embedded with a conveying pipe, a side surface of the outer frame is located near the upper position and is embedded with a driving motor, a side surface of the driving motor is located inside the outer frame and is embedded with a rolling shaft, a baffle is fixedly installed on the surface of the rolling shaft, and the baffles are in multiple groups. The upper surface of the outer frame is located near the rear position and is embedded with a feed port, the interior of the outer frame is located below the rolling shaft and is embedded with a filter, the interior of the outer frame is located below the filter and is embedded with a guide plate, and the guide plate is in three groups. The interior of the outer frame is located in front of the fan and is embedded with an electric heating pipe, and the electric heating pipe is in two groups.
[0008] Furthermore, the vertical roller mill body comprises an embedding hole and a shell, and the embedding hole is provided on the surface of the shell near the middle.
[0009] Furthermore, the feed structure and the vertical roller mill body are embedded and installed inside the embedding hole through a conveying pipe, the outer shell and the outer frame are fixedly installed on the upper surface of the base, the grinding structures are respectively embedded and installed on the surface of the outer shell near the lower position, the discharge port is embedded and installed on the surface of the outer shell near the upper position, and the sorting machine is embedded and installed inside the outer shell near the upper position.
[0010] Furthermore, the grinding wheel body includes a wear-resistant plate, a material receiving plate, a first pad, a second pad, a third pad and a chassis. The chassis is fixedly installed on the lower surface of the wear-resistant plate, the third pad is fixedly installed on the upper surface of the wear-resistant plate, the second pad is fixedly installed on the upper surface of the third pad, the first pad is fixedly installed on the upper surface of the second pad, and the material receiving plate is fixedly installed on the upper surface of the first pad.
[0011] Furthermore, the grinding disc body and the vertical roller mill body are embedded and installed in the interior of the shell through a chassis and are located near the bottom.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] In the utility model, the rolling shaft and driving motor are arranged, so that the materials can be uniformly fed into the interior of the vertical roller mill body in batches to prevent clogging; the second spring and electric heating tube are arranged, so that the materials can be dried when they are fed, thereby reducing the problem of the materials adhering to the inner wall of the outer frame due to high humidity, and further reducing the clogging problem; the grinding disc body is arranged, so that the materials can move toward the edge more quickly, thereby accelerating the grinding speed. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of an anti-blocking material structure for a vertical roller mill according to the utility model;
[0015] Figure 2 This is a cross-sectional view of the outer frame of an anti-blocking material structure for a vertical roller mill of the utility model;
[0016] Figure 3 This is a cross-sectional view of the shell of an anti-blocking structure for a vertical roller mill of the utility model;
[0017] Figure 4 This is a detail diagram of the grinding disc main body of the anti-blocking structure for a vertical roller mill of the utility model.
[0018] In the figure: 1. feeding structure; 101. feeding port; 102. baffle; 103. rolling shaft; 104. filter screen; 105. guide plate; 106. fan; 107. outer frame; 108. conveying pipe; 109. electric heating pipe; 110. driving motor; 2. vertical roller mill body; 201. embedding hole; 202. outer shell; 3. grinding structure; 4. base; 5. discharge port; 6. sorting machine; 7. grinding disc body; 701. wear-resistant plate; 702. receiving plate; 703. first pad; 704. second pad; 705. third pad; 706. chassis. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] like Figure 1-4 As shown, a material blocking prevention structure for a vertical roller mill comprises a base 4, a driving structure is arranged inside the base 4, which drives a grinding disc main body 7 to rotate, a vertical roller mill main body 2 is fixedly installed on the upper surface of the base 4 at a middle position, a grinding disc main body 7 is embedded and installed inside the vertical roller mill main body 2 on the upper surface of the base 4, a separator 6 is embedded and installed near the upper position inside the vertical roller mill main body 2, the material after grinding is sucked into the separator 6 by the wind, qualified powder enters the separator 6 for collection and discharge, and unqualified coarse powder falls onto the grinding disc main body 7 again for grinding, a discharge port 5 is embedded and installed on the surface of the vertical roller mill main body 2 near the upper position, grinding structures 3 are embedded and installed on both sides of the upper surface of the base 4, and the grinding structures 3 are in two groups, and a feeding structure 1 is fixedly installed on the upper surface of the base 4 at the rear of the vertical roller mill main body 2;
[0021] The feeding structure 1 includes a feeding port 101, a baffle 102, a rolling shaft 103, a filter screen 104, a guide plate 105, a fan 106, an outer frame 107, a conveying pipe 108, an electric heating pipe 109, and a driving motor 110. The rear surface of the outer frame 107 is located near the lower position and embedded with the fan 106, the front surface of the outer frame 107 is located in the middle position and embedded with the conveying pipe 108, the side surface of the outer frame 107 is located near the upper position and embedded with the driving motor 110, and the side surface of the driving motor 110 is located inside the outer frame 107 and embedded with the rolling shaft 103, and the surface of the rolling shaft 103 is fixed. A baffle 102 is installed, and the baffle 102 is in multiple groups. A feed port 101 is embedded and installed on the upper surface of the outer frame 107 near the rear. The material is transported to the inside of the feed port 101 by the feeding structure, and enters the outer frame 107 from the feed port 101. A filter screen 104 is embedded and installed inside the outer frame 107 below the rolling shaft 103. A guide plate 105 is embedded and installed inside the outer frame 107 below the filter screen 104. The guide plate 105 is in three groups. An electric heating pipe 109 is embedded and installed inside the outer frame 107 in front of the fan 106. The electric heating pipe 109 is in two groups. The electric heating pipe 109 is HI8R Far-infrared quartz heating tube; the vertical roller mill body 2 includes an embedding hole 201 and a shell 202, and the surface of the shell 202 is provided with an embedding hole 201 near the middle; the feeding structure 1 and the vertical roller mill body 2 are embedded and installed inside the embedding hole 201 through the conveying pipe 108, the shell 202 and the outer frame 107 are fixedly installed on the upper surface of the base 4, the grinding structure 3 is respectively embedded and installed on the surface of the shell 202 near the lower position, the discharge port 5 is embedded and installed on the surface of the shell 202 near the upper position, and the classifier 6 is embedded and installed inside the shell 202 near the upper position; the grinding disc main The body 7 includes a wear-resistant plate 701, a receiving plate 702, a first pad 703, a second pad 704, a third pad 705, and a chassis 706. The chassis 706 is fixedly installed on the lower surface of the wear-resistant plate 701, the third pad 705 is fixedly installed on the upper surface of the wear-resistant plate 701, the second pad 704 is fixedly installed on the upper surface of the third pad 705, the first pad 703 is fixedly installed on the upper surface of the second pad 704, and the receiving plate 702 is fixedly installed on the upper surface of the first pad 703; the grinding disc body 7 and the vertical roller mill body 2 are embedded and installed in the interior of the outer shell 202 through the chassis 706 and are located near the lower position.
[0022] It should be noted that the utility model is a material blocking prevention structure for a vertical roller mill. When in use, the material is transported from the feeding structure to the inside of the feeding structure 1, and then enters the inside of the vertical roller mill body 2. The base 4 drives the grinding disc body 7 to rotate, and the grinding structure 3 grinds it. The ground material is extracted by the classifier 6 and finally discharged from the discharge port 5. When the material enters the inside of the outer frame 107 through the feeding port 101, the driving motor 110 is started, and the driving motor 110 drives the rolling shaft 103 to rotate, thereby driving the baffle 102 to rotate, and the material is evenly transported to the top of the filter screen 104, and is transported to the outer frame 107 by the conveying pipe 108 inside the embedded hole 201. Inside the shell 202, when the driving motor 110 is working, the fan 106 and the electric heating tube 109 are started, and the fan 106 draws air into the outer frame 107, which is heated by the electric heating tube 109 and guided by the guide plate 105. The air then passes through the filter 104 and is conveyed to the inside of the shell 202 for grinding along with the material through the conveying pipe 108. The material passes through the conveying pipe 108 and reaches the top of the receiving plate 702. When the bottom plate 706 rotates, it drives the third pad 705, the second pad 704, and the first pad 703 to rotate together. Under the action of centrifugal force and different planes, the material quickly reaches the top of the wear-resistant plate 701 and is ground by the grinding structure 3.
[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A material blocking prevention structure for a vertical roller mill, characterized in that: The invention comprises a base (4), wherein a vertical roller mill body (2) is fixedly mounted on the upper surface of the base (4) at a middle position, a grinding disc body (7) is embedded and mounted inside the vertical roller mill body (2) on the upper surface of the base (4), a separator (6) is embedded and mounted near the upper position inside the vertical roller mill body (2), a discharge port (5) is embedded and mounted near the upper position on the surface of the vertical roller mill body (2), grinding structures (3) are embedded and mounted on both sides of the upper surface of the base (4), the grinding structures (3) are in two groups, and a feed structure (1) is fixedly mounted on the upper surface of the base (4) at the rear of the vertical roller mill body (2).
2. The anti-blocking material structure for a vertical roller mill according to claim 1, characterized in that: The feeding structure (1) comprises a feeding port (101), a baffle (102), a rolling shaft (103), a filter screen (104), a guide plate (105), a fan (106), an outer frame (107), a conveying pipe (108), an electric heating pipe (109), and a driving motor (110); the fan (106) is embedded and installed on the rear surface of the outer frame (107) at a position close to the bottom, the conveying pipe (108) is embedded and installed on the front surface of the outer frame (107) at a middle position, the driving motor (110) is embedded and installed on one side surface of the outer frame (107) at a position close to the top, and the driving motor (110) is embedded and installed on one side surface of the driving motor (110) at an inner portion of the outer frame (107). A rolling shaft (103) is embedded and installed, a baffle (102) is fixedly installed on the surface of the rolling shaft (103), and the baffle (102) is in multiple groups. A feed port (101) is embedded and installed on the upper surface of the outer frame (107) near the rear, a filter screen (104) is embedded and installed inside the outer frame (107) below the rolling shaft (103), a guide plate (105) is embedded and installed inside the outer frame (107) below the filter screen (104), and the guide plates (105) are in three groups. An electric heating pipe (109) is embedded and installed inside the outer frame (107) in front of the fan (106), and the electric heating pipe (109) is in two groups.
3. The anti-blocking material structure for a vertical roller mill according to claim 2, characterized in that: The vertical roller mill body (2) comprises an embedding hole (201) and a shell (202); the embedding hole (201) is provided on a surface of the shell (202) near the middle.
4. The anti-blocking material structure for a vertical roller mill according to claim 3, characterized in that: The feed structure (1) and the vertical roller mill body (2) are embedded and installed in the embedding hole (201) through a conveying pipe (108); the outer shell (202) and the outer frame (107) are fixedly installed on the upper surface of the base (4); the grinding structure (3) is embedded and installed on the surface of the outer shell (202) near the lower position; the discharge port (5) is embedded and installed on the surface of the outer shell (202) near the upper position; and the separator (6) is embedded and installed in the inner part of the outer shell (202) near the upper position.
5. The anti-blocking material structure for a vertical roller mill according to claim 4, characterized in that: The grinding disc body (7) comprises a wear-resistant plate (701), a material receiving plate (702), a first pad (703), a second pad (704), a third pad (705), and a chassis (706); the chassis (706) is fixedly mounted on the lower surface of the wear-resistant plate (701); the third pad (705) is fixedly mounted on the upper surface of the wear-resistant plate (701); the second pad (704) is fixedly mounted on the upper surface of the third pad (705); the first pad (703) is fixedly mounted on the upper surface of the second pad (704); and the material receiving plate (702) is fixedly mounted on the upper surface of the first pad (703).
6. The anti-blocking material structure for a vertical roller mill according to claim 5, characterized in that: The grinding disc body (7) and the vertical roller mill body (2) are embedded and installed in the interior of the housing (202) through a bottom plate (706) and are located near the bottom.