CN219356489U

CN219356489U - Superfine grinding device for cement

Info

Publication number: CN219356489U
Application number: CN202223488564.3U
Authority: CN
Inventors: 张会志; 王杰
Original assignee: Henan Yong'an Cement Co ltd
Current assignee: Henan Yong'an Cement Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-18
Anticipated expiration: 2032-12-27

Abstract

The utility model belongs to the technical field of cement processing, and discloses a cement superfine grinding device which comprises a grinding box and a ball mill, wherein two grinding rollers are horizontally arranged in the grinding box side by side, a screen plate and a guide plate are also arranged, a first conveying pipe is arranged on one side of the grinding box, a second conveying pipe is arranged on the other side of the grinding box, materials enter the grinding box and fall to the top of the screen plate through grinding of the grinding rollers, materials which can pass through the screen plate enter the ball mill through the first conveying pipe for fine grinding, materials which cannot pass through the screen plate enter the second conveying pipe, and enter the grinding box again through the second conveying pipe until the materials can pass through the screen plate. The utility model screens and multiple grinding materials, has good grinding effect, and the vibrating motor is arranged on the screen plate, so that the screening efficiency can be improved, and the screen plate is prevented from being blocked.

Description

Superfine grinding device for cement

Technical Field

The utility model relates to the technical field of cement processing, in particular to a cement superfine grinding device.

Background

The cement grinding is the final process of cement manufacture and the process with the greatest power consumption, and has the main functions of grinding the cement clinker to proper granularity to form certain grain composition, increasing the hydration area, accelerating the hydration rate and meeting the requirements of cement paste coagulation and hardening. Along with the increasing severity of environmental protection and control situation in China, the prices of various raw materials are gradually increased, the production cost is gradually increased, the production self-rescue is realized, the cost is reduced, the market competitiveness is improved, the maximization of company interests is pursued, and the clinker consumption is reduced on the premise of ensuring the cement strength by researching, so that the cement production cost is reduced.

However, the existing grinding device usually grinds materials with different particle sizes together, has low grinding efficiency, is easy to cause insufficient grinding, cannot achieve the optimal distribution of particles of each material, cannot exert the strength of clinker to the maximum extent, and causes high clinker consumption and waste of production cost; meanwhile, the existing grinding device is loud in working and easy to cause noise pollution.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a cement superfine grinding device.

The technical scheme adopted by the utility model is as follows:

the utility model provides a superfine grinding device of cement, includes powder mill case and ball mill, the top of powder mill case is opened there is first feed inlet, and the outside one side of powder mill case is fixed to be provided with first supporting seat, be provided with first motor on the first supporting seat, the output of first motor is connected with first drive gear through the rotation axis, one side of first drive gear is provided with second drive gear, first drive gear and second drive gear intermeshing, and first drive gear and second drive gear's one end all is connected with the grinding roller, two the grinding roller is located the inside of powder mill case, and the level sets up side by side, and the inside of powder mill case still is provided with sieve and guide plate, the guide plate is located the sieve below, and the one side bottom intercommunication first conveyer pipe that the grinding case is close to first motor, one side that the grinding case kept away from first motor is provided with the second conveyer pipe and is provided with two upper and lower first guide openings, one side top and the bottom that the second conveyer pipe is close to the powder mill case all are provided with the second guide inlet, just second guide roller and second guide opening and first motor position are provided with the ball mill, the second guide opening is provided with the feed inlet and the ball mill, the inside one side is provided with the feed inlet, the ball mill is provided with the feed inlet with the second guide opening.

Preferably, the screen plate is obliquely arranged; the guide plates are obliquely arranged; the screen plate is inclined downwards and points to the second conveying pipe, the guide plate is inclined downwards and points to the first conveying pipe, and the inclination directions of the screen plate and the guide plate are opposite.

The position of one end of the sieve plate, which is low, is matched with the position of the first material guide opening positioned below, so that materials which cannot pass through the sieve plate can be conveniently guided into the second conveying pipe; the guide plate is convenient for guiding the material passing through the sieve plate into the first conveying pipe.

Preferably, one end of the sieve plate, which is higher, penetrates through the powder grinding box and extends out of the powder grinding box, and the lower end surface of one end of the sieve plate, which extends out of the powder grinding box, is fixedly connected with a vibrating motor.

Preferably, the first conveying pipe comprises a first conveying rod and a second motor, one end of the first conveying rod is rotationally connected with the first conveying pipe, the other end of the first conveying rod is connected with the output end of the second motor, and the second motor is located at the top of the first conveying pipe.

Preferably, the second conveying pipe comprises a second conveying rod and a third motor, one end of the second conveying rod is rotationally connected with the second conveying pipe, the other end of the second conveying rod is connected with the output end of the third motor, and the third motor is located at the bottom of the second conveying pipe.

Preferably, a lining plate is arranged in the cylinder body of the ball mill, and a sound absorbing lining layer is arranged between the lining plate and the cylinder body of the ball mill.

Preferably, a plurality of lifting plates are arranged on the inner wall of the lining plate at equal intervals.

The screen plate in the present utility model may be any filter plate capable of filtering particles, and is not limited thereto, and may be selected by those skilled in the art according to actual use requirements.

The first conveying rod and the second conveying rod are both screw conveying rods, and the utility model also comprises other components which can enable the cement superfine grinding device to be normally used, such as a ball mill, a vibrating motor and the like, which are all conventional technical means in the field. In addition, the devices or components not defined in the present utility model are all conventional in the art.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with the powder grinding box and the ball mill, so that the materials can be primarily ground in the powder grinding box and then enter the ball mill for fine grinding, and the grinding effect is good;

2. the inside of the powder grinding box is provided with a screen plate, one side of the outside of the powder grinding box is provided with a second conveying pipe, the materials ground by the grinding roller fall to the top of the screen plate, the vibrating motor drives the screen plate to screen the materials, the materials which cannot pass through the screen plate enter the second conveying pipe through a first material guide opening and a second material guide opening below, and the materials enter the powder grinding box again through the lifting of the second conveying rod, so that the grinding is carried out again by the grinding roller until the materials ground by the grinding roller can pass through the screen plate, the consistency of the sizes of the materials ground by the grinding box can be basically ensured, the next processing is facilitated, the problem of insufficient grinding is effectively solved, the qualification rate of the material processing is improved, and the vibrating motor can avoid the blockage of the screen plate to a certain extent;

3. the sound-absorbing lining and the lifting plate are arranged in the ball mill, the sound-absorbing lining can prevent noise pollution to a certain extent, the lifting plate can lift the grinding balls to the top of the ball mill, the falling speed of the grinding balls is increased, and the grinding efficiency of the ball mill is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic top cut-away view of the present utility model.

Fig. 3 is a right side view of the first and second transfer gears of fig. 2.

Fig. 4 is a side cutaway view of a pulverizer of the present utility model.

In the figure: the grinding machine comprises a 1-grinding box, a 2-ball mill, a 3-first feed port, a 4-first supporting seat, a 5-first motor, a 6-first transmission gear, a 7-second transmission gear, an 8-grinding roller, a 9-sieve plate, a 10-guide plate, an 11-vibrating motor, a 12-first conveying rod, a 13-second motor, a 14-first feed port, a 15-second conveying rod, a 16-third motor, a 17-second feed port, a 18-second feed port, a 19-feed valve, a 20-grinding ball, a 21-sound absorbing lining layer, a 22-lifting plate, a 23-discharge port and a 24-discharge valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, the present utility model provides a technical solution: a cement superfine grinding device comprises a grinding box 1 and a ball mill 2; the top of the powder grinding box 1 is provided with a first feed inlet 3; the grinding machine comprises a grinding box 1, a first supporting seat 4 is fixedly arranged on one side of the outer part of the grinding box 1, a first motor 5 is arranged on the first supporting seat 4, a first transmission gear 6 is connected to the output end of the first motor 5 through a rotating shaft, a second transmission gear 7 is arranged on one side of the first transmission gear 6, the first transmission gear 6 is meshed with the second transmission gear 7, grinding rollers 8 are connected to one ends of the first transmission gear 6 and the second transmission gear 7, the two grinding rollers 8 are positioned in the grinding box 1 and are horizontally arranged side by side, and the first motor 5 can drive the two grinding rollers 8 to rotate through the first transmission gear 6 and the second transmission gear 7; the inside of the powder grinding box 1 is also provided with a screen plate 9 and a guide plate 10, the guide plate 10 is positioned below the screen plate 9, the screen plate 9 and the guide plate 10 are obliquely arranged, the screen plate 9 is obliquely downward and points to the second conveying pipe, the guide plate 10 is obliquely downward and points to the first conveying pipe, the inclination directions of the screen plate 9 and the guide plate 10 are opposite, the higher end of the screen plate 9 penetrates through the powder grinding box 1 and extends out of the powder grinding box 1, the end face fixedly connected with vibrating motor 11 is arranged at the lower end face of the screen plate 9 extending out of the powder grinding box 1, the vibrating motor 11 can prevent the screen plate 9 from being blocked to a certain extent, and the screening effect is good.

The bottom of one side of the powder grinding box 1, which is close to the first motor 5, is communicated with a first conveying pipe, the first conveying pipe comprises a first conveying rod 12 and a second motor 13, one end of the first conveying rod 12 is rotationally connected with the first conveying pipe, the other end of the first conveying rod is connected with the output end of the second motor 13, and the second motor 13 is positioned at the top of the first conveying pipe; the side that the first motor 5 was kept away from to the powder mill case 1 is provided with the second conveyer pipe and opens two upper and lower first guide openings 14, and the second conveyer pipe includes second conveying pole 15 and third motor 16, and the one end and the second conveyer pipe rotation of second conveying pole 15 are connected, and the other end is connected with the output of third motor 16, and third motor 16 is located the bottom of second conveyer pipe, and the second conveyer pipe is close to one side top and the bottom of powder mill case 1 and all opens there is second guide opening 17, and second guide opening 17 and the position phase-match of first guide opening 14.

The ball mill 2 is arranged at one side of the first motor 5 close to the powder grinding box 1, a second feed inlet 18 is formed in the top of one side of the ball mill 2, a feed valve 19 is arranged on the second feed inlet 18, the second feed inlet 18 is detachably connected with the first conveying pipe, and the ball mill 2 is communicated with the powder grinding box 1 through the first conveying pipe; the inside of the ball mill 2 is provided with a plurality of grinding balls 20, the inside of the cylinder of the ball mill 2 is provided with a lining plate, a sound-absorbing lining layer 21 is arranged between the lining plate and the cylinder of the ball mill 2, and the sound-absorbing lining layer 21 can avoid noise pollution to a certain extent; the inner wall of the lining plate is provided with a plurality of lifting plates 22 at equal intervals, and the lifting plates 22 can lift the grinding balls 20 in the ball mill 2 to the top of the ball mill 2, so that the falling speed of the grinding balls 20 is increased, and the grinding efficiency of the ball mill 2 is improved; the bottom of the ball mill 2 is provided with a discharge hole 23, and the discharge hole 23 is provided with a discharge valve 24.

Working principle: when the ball mill is used, the first motor 5, the second motor 13 and the third motor 16 are started, materials are input through the first feed inlet 3, the materials enter the mill box 1, under the action of the first transmission gear 6 and the second transmission gear 7, the first motor 5 drives the two milling rollers 8 to rotate, the materials are milled and ground, the milled materials fall to the top of the sieve plate 9, the vibration motor 11 is started, the vibration motor 11 drives the sieve plate 9 to sieve the materials, the materials with particle sizes smaller than the pore diameters of the sieve holes of the sieve plate 9 fall onto the guide plate 10 below the sieve plate 9, enter the first conveying pipe, the feed valve 19 is opened, and the materials enter the ball mill 2 through the second feed inlet 18 by lifting of the first conveying rod 12; the materials with the particle size larger than the sieve pore diameter of the sieve plate 9 are intercepted at the top of the sieve plate 9, enter the second conveying pipe through the first material guiding opening 14 and the second material guiding opening 17 below, enter the grinding box 1 again through the second material guiding opening 17 and the first material guiding opening 14 above by lifting the second conveying rod 15, and are ground again by the grinding roller 8 until the materials can pass through the sieve plate 9; after the material is conveyed, the first conveying pipe on the second feeding port 18 is removed, the feeding valve 19 is closed, the ball mill 2 is started, and the material is further ground until the material meets the use requirement; after finishing grinding, the ball mill 2 is closed, the discharge valve 24 is opened, and the ground materials are collected.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The superfine grinding device for cement is characterized in that: including powder mill case and ball mill, the top of powder mill case is opened there is first feed inlet, and the outside one side of powder mill case is fixed to be provided with first supporting seat, be provided with first motor on the first supporting seat, the output of first motor is connected with first drive gear through the rotation axis, one side of first drive gear is provided with second drive gear, first drive gear and second drive gear intermeshing, and the one end of first drive gear and second drive gear all is connected with grinding roller, two grinding roller is located the inside of powder mill case, and the level sets up side by side, and the inside of powder mill case still is provided with sieve and guide plate, the guide plate is located the sieve below, and one side bottom that the powder mill case is close to first motor communicates first conveyer pipe, and one side that the powder mill case was kept away from to the first motor is provided with the second conveyer pipe and is opened two upper and lower first guide openings, just one side top and the bottom that the second conveyer pipe is close to the powder mill case all open second guide opening, just second guide opening and first guide opening position all are connected with the grinding roller, two grinding roller are located the inside of powder mill case, and the inside is provided with the first ball mill, the first side of the first conveyer pipe is provided with the ball mill, the discharge ball is connected with the first side of the first conveyer pipe, the discharge gate is provided with the discharge gate.

2. A cement superfine grinding device according to claim 1, characterized in that: the screen plate is obliquely arranged; the guide plates are obliquely arranged; the screen plate is inclined downwards and points to the second conveying pipe, the guide plate is inclined downwards and points to the first conveying pipe, and the inclination directions of the screen plate and the guide plate are opposite.

3. A cement superfine grinding device according to claim 2, characterized in that: the higher one end of sieve runs through the powder grinding case and stretches out the powder grinding case outward, and the terminal surface fixedly connected with vibrating motor under the one end that the sieve stretched out the powder grinding case outward.

4. A cement superfine grinding device according to claim 1, characterized in that: the first conveying pipe comprises a first conveying rod and a second motor, one end of the first conveying rod is rotationally connected with the first conveying pipe, the other end of the first conveying rod is connected with the output end of the second motor, and the second motor is located at the top of the first conveying pipe.

5. A cement superfine grinding device according to claim 1, characterized in that: the second conveying pipe comprises a second conveying rod and a third motor, one end of the second conveying rod is rotationally connected with the second conveying pipe, the other end of the second conveying rod is connected with the output end of the third motor, and the third motor is located at the bottom of the second conveying pipe.

6. A cement superfine grinding device according to claim 1, characterized in that: a lining plate is arranged in the barrel of the ball mill, and a sound absorbing lining layer is arranged between the lining plate and the barrel of the ball mill.

7. A cement superfine grinding apparatus according to claim 6, wherein: the inner wall equidistance of welt is provided with a plurality of lifting plate.