CN210252508U

CN210252508U - A grind screening installation for cement

Info

Publication number: CN210252508U
Application number: CN201920417345.5U
Authority: CN
Inventors: 施金土
Original assignee: Huzhou Linliang Cement Co Ltd
Current assignee: Huzhou Linliang Cement Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-04-07
Anticipated expiration: 2029-03-29

Abstract

The utility model relates to the technical field of cement production equipment, in particular to a grinding and screening device for cement, which comprises a grinding device and a screening device, wherein the grinding device is arranged above the screening device and comprises a grinding body, the grinding body is a cylinder body, the top part of the grinding body is provided with a plurality of feed hoppers, the bottom part of the grinding body is provided with a plurality of first discharge holes, the inner cylinder is rotatably arranged in the grinding body, the upper surface of the inner cylinder is provided with a plurality of first feed holes, the inner cylinder is also internally provided with a plurality of grinding bodies, the screening device comprises a filter chamber and a motor, the top part of the filter chamber is provided with a plurality of second feed holes, each second feed hole is tightly attached to the first discharge hole at the bottom part of the grinding body, a guide spiral blade is horizontally arranged in the filter chamber and is driven by the motor, the grinding and screening device solves the problems that the ball diameter used in, the problems of long screening time, more manpower and high labor intensity are caused.

Description

A grind screening installation for cement

Technical Field

The utility model relates to a cement manufacture equipment technical field especially relates to a grinding screening installation for cement.

Background

With the continuous development of the building industry, the requirements for the demand and the quality of cement are continuously increased, many cement factories process raw materials through a roller press and then grind the raw materials through a grinder, in the existing cement grinding system, a grinding body impacts and grinds materials, so that the materials can be highly ground, but the ball diameter used in the cement grinder is small, the screening and grading are difficult, the screening time is long, more people are used, and the labor intensity is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The problem of the ball footpath that uses in the present cement mill is less, screening classification difficulty, cause the screening time long, the personnel selection is more, intensity of labour is big is solved, a grinding screening installation for cement is provided.

(II) technical scheme

A grinding and screening device for cement comprises a grinding device and a screening device, wherein the grinding device is arranged above the screening device and comprises a grinding body, the grinding body is a cylinder body, the top of the grinding body is provided with a plurality of feed hoppers, the bottom of the grinding body is provided with a plurality of first discharge holes, an inner cylinder is rotatably arranged in the grinding body, the upper surface of the inner cylinder is provided with a plurality of first feed holes, a plurality of grinding bodies are also arranged in the inner cylinder, the screening device comprises a filter chamber and a motor, the top of the filter chamber is provided with a plurality of second feed holes, and each second feeding hole is tightly attached to the first discharging hole at the bottom of the grinding body, a guide screw blade is horizontally arranged in the filtering chamber and driven by a motor, a plurality of screening areas with the mesh aperture from large to small are sequentially arranged in the filtering chamber along the length direction of the guide screw blade, and a plurality of second discharging holes are formed in the bottom of the filtering chamber.

As a preferred technical scheme, each screening area is composed of two adjacent screening blocks, and a screen hole is formed between every two screening blocks.

As the preferred technical scheme, the size of the mesh aperture can be adjusted according to the processing requirements of different specifications.

(III) advantageous effects

The utility model has the advantages that: put into the feeder hopper with the mixture, the upper surface of inner tube is opened has a plurality of first feed ports, the mixture gets into the inner tube from first feed port, at this moment, rotate the inner tube, the rinding body grinds the mixture, when the inner tube rotated to the below, the mixture that grinds gets into in the filter chamber from first feed port, open the motor this moment, the direction spiral shell leaf rotates, under the guide effect of direction spiral shell leaf, the mixture constantly shifts to the other end of filter chamber, at the displacement in-process, the mixture granule of different particle diameters drops from the sieve mesh of the different diameters in proper order, thereby play the effect of the mixture after the screening process, this grinding screening installation has solved that the sphere diameter that uses in the current cement mill is less, the screening is hierarchical difficult, cause the screening time long, the personnel selection is more, intensity of labour is big problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

1-a grinding device; 2-a screening device; 3-grinding the body; 4-inner cylinder; 5-a first feed port; 6-grinding body; 7-a feed hopper; 8-a first discharge hole; 9-filtering chamber; 10-guide helical blade; 11-a screening area; 12-a motor; 13-screening the blocks; 14-a second discharge hole; 15-mesh;

Detailed Description

The utility model relates to a grinding screening installation for cement is explained with the attached drawing further.

A grinding and screening device for cement comprises a grinding device 1 and a screening device 2, wherein the grinding device 1 is arranged above the screening device 2, the grinding device 1 comprises a grinding body 3, the grinding body 3 is a cylinder, a plurality of feed hoppers 7 are arranged at the top of the grinding body, a plurality of first discharge holes 8 are formed in the bottom of the grinding body, an inner cylinder 4 is rotatably arranged in the grinding body 3, a plurality of first feed holes 5 are formed in the upper surface of the inner cylinder 4, a plurality of grinding bodies 6 are also arranged in the inner cylinder 4, the screening device 2 comprises a filter chamber 9 and a motor 12, a plurality of second feed holes are formed in the top of the filter chamber 9, each second feed hole is tightly attached to the first discharge hole 8 at the bottom of the grinding body 3, a guide spiral blade 10 is horizontally arranged in the filter chamber 9, the guide spiral blade 10 is driven by the motor 12, a plurality of screening areas 11 with mesh diameters from large to small are sequentially arranged in the filter chamber 9 and along the length direction, the bottom of the filtering chamber 9 is also provided with a plurality of second discharging holes 14.

Further, each screening zone 11 is composed of two adjacent screening segments 13, with a screen aperture 15 being formed between each two screening segments 13.

Furthermore, the size of the aperture of the sieve 15 can be adjusted according to the processing requirements of different specifications.

The utility model discloses the theory of operation as follows: the mixture is placed into a feed hopper 7, a plurality of first feed holes 5 are formed in the upper surface of an inner barrel 4, the mixture enters the inner barrel 4 from the first feed holes 5, at the moment, the inner barrel 4 is rotated, the mixture is ground by a grinding body 6, when the inner barrel 4 rotates to the lower side, the ground mixture enters a filter chamber 9 from the first feed holes 5, a motor 12 is started at the moment, a guide screw blade 10 rotates, the mixture is continuously displaced to the other end of the filter chamber 9 under the guide effect of the guide screw blade 10, and in the displacement process, mixture particles with different particle sizes sequentially fall from sieve holes 15 with different diameters, so that the mixture after being screened and processed is used.

The above embodiments are merely to describe the preferred embodiments of the present invention, and not to limit the concept and scope of the present invention, and without departing from the design concept of the present invention, various modifications and improvements made by the ordinary person in the art to the technical solution of the present invention should fall into the protection scope of the present invention, and the technical contents claimed by the present invention are all described in the claims.

Claims

1. The utility model provides a grinding screening installation for cement, including grinder (1), sieving mechanism (2), grinder (1) sets up above sieving mechanism (2), its characterized in that: grinder (1) is including grinding body (3), grinding body (3) is the barrel, and a plurality of feeder hoppers (7) are installed at the top, and open the bottom has a plurality of first discharge openings (8), grinding body (3) inside rotationally installs inner tube (4), open the upper surface of inner tube (4) has a plurality of first feed ports (5), a plurality of rinding bodies (6) are still installed to the inside of inner tube (4), sieving mechanism (2) are including filter chamber (9), motor (12), open at filter chamber (9) top has a plurality of second feed ports, and every second feed port hugs closely with first discharge opening (8) of grinding body (3) bottom, the level is provided with direction spiral shell leaf (10) in filter chamber (9), direction spiral shell leaf (10) are driven by motor (12), just along direction spiral shell leaf (10) length direction in filter chamber (9) set gradually a plurality of sieve mesh apertures selection district (11) that are big to little by the aperture of sieve ) And a plurality of second discharging holes (14) are formed at the bottom of the filtering chamber (9).

2. A grinding and screening apparatus for cement according to claim 1, wherein: each screening area (11) consists of two adjacent screening blocks (13), and a screen hole (15) is formed between each two screening blocks (13).

3. A grinding and screening apparatus for cement according to claim 1, wherein: the size of the pore diameter of the sieve pore (15) can be adjusted according to the processing requirements of different specifications.