Powder concentrator of roller press of cement grinding mill

By using an internal grinding cylinder and a hydraulically driven grinding roller structure, combined with a funnel-shaped baffle and a fan design, the problem of uneven crushing and residue of cement raw materials is solved, achieving fine grinding and cleaning functions and improving cement processing efficiency.

CN224057458UActive Publication Date: 2026-03-31SHANXI EXCELLENCE CEMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In the existing technology, when crushing cement raw materials using a roller press, the degree of crushing cannot be adjusted, which affects subsequent processing. Furthermore, some of the ground raw materials remain inside the roller press and cannot be cleaned, which affects processing efficiency.

Method used

The grinding roller structure, which uses an internal grinding cylinder and a hydraulic cylinder to drive the grinding roller, combined with a funnel-shaped baffle and a fan design, enables fine grinding and separation of cement raw materials. Residual materials are cleaned up by an electric push rod, improving the applicability of the device.

Benefits of technology

It enables fine grinding and separation of cement raw materials, prevents the accumulation of residual materials, and improves processing efficiency and applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cement manufacturing, and provides a powder concentrator of a roller press of a cement grinding mill. The inner grinding cylinder is arranged in the shell, and a fine powder outlet is formed in one end of the inner grinding cylinder; the two cement particle inlets are formed in the surfaces of the symmetrical positions of the inner grinding cylinder, and limiting grooves are formed in the symmetrical positions of the inner wall of the inner grinding cylinder; and the hydraulic cylinder is fixedly arranged on the inner wall of the inner grinding cylinder. According to the cement raw material grinding device, materials are put into the inner grinding cylinder through the raw material putting pipe, the driving motor is started to work, the grinding roller is driven to rotate and is matched with the grinding part on the inner wall to grind the cement raw materials, and when the ground granularity cannot meet the requirement, the hydraulic cylinder is started to work, the output end mounting frame is driven to move along the limiting groove, and the cement raw materials are ground. And a driving motor on the surface of the mounting frame is driven to move upwards to be better attached to the grinding part, finer grinding is completed, and therefore the applicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cement manufacturing technical field especially relates to a cement roller press powder concentrator. BACKGROUND

[0002] Most of the existing cement enterprises in the cement grinding stage, all adopt the current typical process: namely after the cement production raw materials are well mixed by the batching station, by the conveying equipment, send to the roller press for crushing, the crushed material is sent to the cement mill by the conveying equipment, and the finished product is ground.

[0003] In the prior art, when the roller press is used to crush the cement raw materials, the crushing degree of the cement raw materials cannot be adjusted, which easily affects the subsequent processing work, and there is certain limitation, in addition, part of the crushed raw materials is transmitted by wind to the inside of the powder concentrator for processing, and the fine powder and coarse powder are separated and processed, but part of the ground cement raw materials still remains in the inside of the roller press, and cannot be cleaned, therefore, it needs to be solved. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem in the prior art that when the roller press is used to crush the cement raw materials, the crushing degree of the cement raw materials cannot be adjusted, which easily affects the subsequent processing work, and there is certain limitation, in addition, part of the crushed raw materials is transmitted by wind to the inside of the powder concentrator for processing, and the fine powder and coarse powder are separated and processed, but part of the ground cement raw materials still remains in the inside of the roller press, and cannot be cleaned.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a shell, an inner grinding cylinder is arranged in the inside of the shell, one end of the inner grinding cylinder is provided with a fine powder outlet, and it further comprises:

[0006] Two cement particle inlets are arranged on the surface of the symmetrical part of the inner grinding cylinder, and a limiting groove is arranged on the symmetrical part of the inner wall of the inner grinding cylinder;

[0007] A hydraulic cylinder is fixedly arranged on the inner wall of the inner grinding cylinder, the output end of the hydraulic cylinder is provided with a mounting bracket, the outer surface of the mounting bracket is slidably embedded in the inside of the limiting groove, and the surface of the mounting bracket is provided with a driving motor.

[0008] Preferably, the output end of the driving motor is provided with a grinding roller, and the inner wall of the inner grinding cylinder close to the cement particle inlet is provided with a powder concentrator body.

[0009] The technical effects of the further scheme are that when the driving motor works, the output end grinding roller rotates to grind the cement with the grinding part on the inner wall of the inner grinding cylinder, and the raw material after grinding is processed by the internal classifier body.

[0010] Preferably, the outer surface of the inner grinding cylinder is provided with a plurality of discharge ports, and the inner wall of the inner grinding cylinder close to the discharge port is provided with a funnel-shaped partition plate.

[0011] The technical effects of the further scheme are that the processed cement raw material is discharged from the discharge port to the surface of the baffle through the funnel-shaped partition plate on the inner wall of the inner grinding cylinder.

[0012] Preferably, the funnel-shaped partition plate is movably connected to the surface of the grinding roller, and the surface of the inner grinding cylinder is communicated with the inside of the shell through the raw material feeding pipe.

[0013] The technical effects of the further scheme are that the grinding roller is provided with auxiliary support work through the funnel-shaped partition plate, the cement raw material is transmitted through the raw material feeding pipe, and the gas backflow is prevented by cooperating with the air lock valve.

[0014] Preferably, the outer surface of the shell is provided with a slot one, and the inside of the shell close to the slot one is provided with a baffle.

[0015] The technical effects of the further scheme are that the baffle in the inside of the shell is connected with the inner grinding cylinder, which facilitates the material receiving, and the slot one facilitates the residual material taking out.

[0016] Preferably, the inner diameter of the baffle is fixedly sleeved on the surface of the inner grinding cylinder, and the inner wall of the shell is provided with a fan.

[0017] The technical effects of the further scheme are that the baffle is connected to the surface of the inner grinding cylinder, which further strengthens the fixation, and at the same time, the fan on the inner wall of the shell works to transmit the material on the surface of the baffle to the inside of the classifier body through the air flow and the cement particle inlet for separation work.

[0018] Preferably, the outer surface of the shell is provided with a circular plate, and the symmetrical position of the one side surface of the circular plate is provided with an electric push rod.

[0019] The technical effects of the further scheme are that the circular plate on the surface of the shell provides fixation work for the electric push rod.

[0020] Preferably, the output ends of the two electric push rods are connected through a sleeve ring, and the sleeve ring is slidably sleeved on the outer surface of the shell.

[0021] The technical effect of the further scheme is that when the electric push rod works, the sleeve ring on the output end surface slides on the outer surface of the shell to shield or open the notch one, facilitating the removal of the residual material inside.

[0022] Compared with the prior art, the utility model has the advantages and positive effects that,

[0023] 1. In the utility model, the material is put into the inside of the inner grinding cylinder from the raw material pipe, the driving motor is started to work to drive the grinding roller to rotate, and the grinding part of the inner wall is matched to grind the cement raw material, when the granularity of the grinding does not meet the requirement, the hydraulic cylinder is started to work to drive the output end mounting frame to move along the limiting groove, drive the driving motor on the surface of the mounting frame to move upward, and more closely match the grinding part to complete more fine grinding, thereby improving the applicability of the device.

[0024] 2. In the utility model, the funnel-shaped partition is shielded to make the ground cement material be transmitted to the surface of the baffle from the discharge port, when the fan works, the cement material on the surface of the baffle after grinding is transmitted to the inside of the powder selecting machine body from the cement particle inlet, the fine powder is discharged through the fine powder outlet after being treated by the powder selecting machine body, and the larger cement particles are processed again, when the processing is completed, the fan stops working, the electric push rod on the surface of the circular plate is started to make the sleeve ring slide along the surface of the shell, and the baffle surface residual cement material is cleaned by the notch one to prevent the internal residual material from affecting the subsequent processing. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A side view structural schematic diagram of the cement grinding roller press powder selecting machine is provided for the utility model;

[0026] Figure 2 A sectional view structural schematic diagram of the cement grinding roller press powder selecting machine is provided for the utility model;

[0027] Figure 3 A partial structure schematic diagram of the cement grinding roller press powder selecting machine is provided for the utility model;

[0028] Figure 4 A Figure 2 enlarged structure schematic diagram of A in the utility model is provided.

[0029] LEGEND:

[0030] 1. Outer shell; 101. Groove 1; 102. Circular plate; 1021. Electric push rod; 1022. Collar; 103. Raw material feeding pipe; 104. Fan; 105. Baffle; 2. Inner grinding cylinder; 201. Cement particle inlet; 202. Air classifier body; 203. Fine powder outlet; 204. Limiting groove; 205. Funnel-shaped partition; 206. Discharge port; 207. Hydraulic cylinder; 208. Mounting frame; 209. Drive motor; 2091. Grinding roller. Detailed Implementation

[0031] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0032] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0033] Example 1, as Figures 1 to 4 As shown, this utility model provides a cement grinding roller press air classifier, including: a shell 1; an inner grinding cylinder 2 disposed inside the shell 1, with a fine powder outlet 203 at one end of the inner grinding cylinder 2; and two cement particle inlets 201 disposed on the surfaces of the inner grinding cylinder 2 at symmetrical locations, with limiting grooves 204 formed at symmetrical locations on the inner wall of the inner grinding cylinder 2; a hydraulic cylinder 207 fixedly disposed on the inner wall of the inner grinding cylinder 2, with a mounting bracket 208 disposed at the output end of the hydraulic cylinder 207, the outer surface of the mounting bracket 208 being slidably embedded inside the limiting grooves 204, and a drive motor 209 disposed on the surface of the mounting bracket 208.

[0034] In this embodiment, the material is fed into the inner grinding cylinder 2 through the raw material feeding pipe 103. The drive motor 209 is started to work, driving the grinding roller 2091 to rotate. In conjunction with the grinding part on the inner wall, the cement raw material is ground. When the particle size of the grinding does not meet the requirements, the hydraulic cylinder 207 is started to work, driving the output end mounting bracket 208 to move along the limit groove 204. This causes the drive motor 209 on the surface of the mounting bracket 208 to move upward, making it more closely fit the grinding part and completing a finer grinding, thereby improving the applicability of the device.

[0035] The output end of the driving motor 209 is provided with the grinding roller 2091, the inner grinding cylinder 2 is provided with the powder classifier body 202 close to the inner wall of the cement particle inlet 201, the outer surface of the inner grinding cylinder 2 is provided with a plurality of discharge ports 206, the inner wall of the inner grinding cylinder 2 close to the discharge port 206 is provided with a funnel-shaped partition plate 205, the funnel-shaped partition plate 205 is movably connected to the surface of the grinding roller 2091, the surface of the inner grinding cylinder 2 is communicated with the inside of the shell 1 through the raw material putting pipe 103, the shell 1 is provided with the notch one 101 on the outer surface, the shell 1 is provided with the baffle 105 close to the notch one 101, the inner diameter of the baffle 105 is fixedly sleeved on the surface of the inner grinding cylinder 2, the inner wall of the shell 1 is provided with the fan 104, the outer surface of the shell 1 is provided with the circular plate 102, the symmetrical positions of the one side surface of the circular plate 102 are provided with the electric push rod 1021, the output ends of the two electric push rods 1021 are connected through the sleeve ring 1022, and the sleeve ring 1022 is slidably sleeved on the outer surface of the shell 1.

[0036] In the embodiment, the funnel-shaped partition plate 205 is shielded, so that the ground cement material is transmitted to the surface of the baffle 105 through the discharge port 206, when the fan 104 works, the cement material on the surface of the baffle 105 after grinding is transmitted to the inside of the powder classifier body 202 through the cement particle inlet 201, the fine powder is discharged through the fine powder outlet 203 after being treated by the powder classifier body 202, and the larger cement particles are processed again, when the processing is completed, the fan 104 stops working, the electric push rod 1021 on the surface of the circular plate 102 is started, so that the sleeve ring 1022 slides along the surface of the shell 1, the residual cement material on the surface of the baffle 105 is cleaned through the notch one 101, and the residual material in the inside is prevented from affecting subsequent processing.

[0037] Working principle: in use, start the fan 104 work in advance, put the material by the raw material into the tube 103 into the inside of the inner grinding cylinder 2, start the driving motor 209 work, drive the grinding roller 2091 to rotate, cooperate with the grinding part of the inner wall, grind the cement raw material, when the granularity of grinding does not meet the requirements, start the hydraulic cylinder 207 work, drive the output end mounting bracket 208 along the limit groove 204 moves, drive the driving motor 209 on the surface of mounting bracket 208 to move up, more close to the grinding part, complete more fine grinding, so as to improve the applicability of the device, in addition, with the help of funnel-shaped partition plate 205 shielding, so that the ground cement material is transmitted to the surface of the baffle 105 by the discharge port 206, when the fan 104 work, the grinding baffle 105 surface of the cement material is transmitted to the inside of the powder separator body 202 by the cement particle inlet 201, after the powder separator body 202 processing, the fine powder is discharged through the fine powder outlet 203, the larger cement particle is processed again, when the processing is completed, stop the fan 104 work, start the electric push rod 1021 on the surface of the circular plate 102, make the sleeve ring 1022 along the surface of the shell 1 slide, with the slot 101, clean the residual cement material on the surface of the baffle 105, prevent the internal residual material accumulation affect subsequent processing.

[0038] The above is only the preferred embodiment of the present application, not other forms of the present application limit, any skilled in the art of technical personnel may use the above disclosed technical content to change or modify the equivalent variation of equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments, which does not deviate from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A cement mill roller press classifier, comprising: Shell (1); inner grinding cylinder (2) is arranged inside the shell (1), one end of the inner grinding cylinder (2) is provided with a fine powder outlet (203); characterized in that, further comprising: Two cement particle inlets (201) are arranged on the surface of the symmetrical part of the inner grinding cylinder (2), and a limiting groove (204) is arranged on the symmetrical part of the inner wall of the inner grinding cylinder (2); A hydraulic cylinder (207) is fixedly arranged on the inner wall of the inner grinding cylinder (2), and the output end of the hydraulic cylinder (207) is provided with a mounting bracket (208), the outer surface of the mounting bracket (208) is slidingly embedded in the inner part of the limiting groove (204), and the surface of the mounting bracket (208) is provided with a driving motor (209).

2. A cement roller press classifier according to claim 1, characterized in that: The output end of the driving motor (209) is provided with a grinding roller (2091), and the inner wall of the inner grinding cylinder (2) close to the cement particle inlet (201) is provided with a powder concentrator body (202).

3. A cement roller press classifier according to claim 2, characterized in that: A plurality of discharge ports (206) are arranged on the outer surface of the inner grinding cylinder (2), and a funnel-shaped partition plate (205) is arranged on the inner wall of the inner grinding cylinder (2) close to the discharge port (206).

4. A cement roller press classifier according to claim 3, characterized in that: The funnel-shaped partition plate (205) is movably connected to the surface of the grinding roller (2091), and the surface of the inner grinding cylinder (2) is communicated with the inside of the shell (1) through the raw material feeding pipe (103).

5. A cement roller press classifier according to claim 4, characterized in that: The outer surface of the shell (1) is provided with a slot (101), and the inside of the shell (1) close to the slot (101) is provided with a baffle (105).

6. A cement roller press classifier according to claim 5, characterized in that: The inner diameter of the baffle (105) is fixedly sleeved on the surface of the inner grinding cylinder (2), and the inner wall of the shell (1) is provided with a fan (104).

7. A cement roller press classifier according to claim 6, characterized in that: The outer surface of the shell (1) is provided with a circular plate (102), and the symmetrical part of the surface of the circular plate (102) is provided with an electric push rod (1021).

8. A cement roller press classifier according to claim 7, characterized in that: The output ends of the two electric push rods (1021) are connected through a sleeve ring (1022), and the sleeve ring (1022) is slidingly sleeved on the outer surface of the shell (1).