CN218982337U

CN218982337U - Cement grinds article preselection structure

Info

Publication number: CN218982337U
Application number: CN202223383745.XU
Authority: CN
Inventors: 范炜刚; 张齐; 周远林
Original assignee: Linshui Hongshi Cement Co ltd
Current assignee: Linshui Hongshi Cement Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-09
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to the technical field of preselected structures, in particular to a cement grinding product preselected structure, which comprises the following technical scheme: the novel filter comprises a preselection box and a filter element, wherein a shell is embedded and installed on one side of the preselection box, a fan is installed in the interior of the shell, a jack is formed in the top of the shell on one side, away from the preselection box, of the fan, the filter element is inserted into the interior of the shell from the jack, a storage box is welded on one side, away from the shell, of the preselection box, a second movable hole is formed in one side, opposite to the storage box, of the preselection box, a second grid is installed on the inner side of the second movable hole, a first movable hole is formed in the top of the storage box, and a first grid is installed on the inner side of the first movable hole. The utility model has the advantages of being capable of carrying out secondary screening on the cement materials screened by the powder concentrator and the cyclone, directly screening out the cement materials with proper volume, reducing the pressure of the grinder and improving the working efficiency.

Description

Cement grinds article preselection structure

Technical Field

The utility model relates to the technical field of preselected structures, in particular to a preselected structure of a cement mill finished product.

Background

The fineness of cement grinding is not only related to the energy consumption of cement grinding, but also has great influence on cement performance, in order to promote cement hydration, the fineness of cement is improved, the contact area with water is increased, but the grinding is too thin, so that the energy consumption is greatly increased, the water demand is increased, the hydration speed of the cement with too thin grinding is higher, the development of strength is facilitated, but the cement ratio is large, the strength is often reduced, and therefore, the capability balance of each link of a grinding system and the stability of the state are required to be ensured.

The materials before cement grinding are mainly subjected to powder selection through a V-shaped powder selector and a cyclone, and all the selected fine powder enters a grinding machine for grinding, wherein the phenomenon of excessive grinding can occur after part of fine powder enters the grinding machine, so that the working efficiency of the grinding machine can not be fully exerted, the output per machine time is lower, and the quality of cement products is influenced.

Disclosure of Invention

The utility model aims to provide a cement mill finished product preselection structure, which has the advantages that cement materials screened by a powder concentrator and a cyclone cylinder can be subjected to secondary screening, the cement materials with proper volumes are directly screened out, the pressure of a mill is reduced, and the working efficiency is improved, and the problems that the grinding phenomenon can occur after part of fine powder in the cement materials subjected to powder selection is ground, and the working efficiency of the mill is influenced are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cement is ground into article preselection structure, includes preselection case and filter core, the casing is installed in embedding of preselection case one side, casing internally mounted has the fan, the jack has been seted up at the casing top that the fan deviates from preselect case one side, the filter core is inserted inside the casing from the jack, the preselect case deviates from one side welding of casing has the bin, the second movable hole has been seted up to the preselect case and the relative one side of bin, the second grid is installed to the second movable hole inboard, first movable hole has been seted up at the bin top, first grid is installed to first movable hole inboard.

When using a cement to grind article preselection structure in this technical scheme, add the cement material after selecting the powder from the inlet pipe to preselect incasement portion, start the fan before the feeding, cement material is after getting into preselect incasement portion, cement material inside qualified powdery material receives the influence of wind-force and can get into the second movable hole, cement material passes the mesh of the inside second grid of second movable hole and gets into the bin inside, the inside cement material of bin discharges the direct use of material pipe from the second, the inside cement material of preselect incasement discharges from first material pipe and gets into the mill and grind.

Preferably, the upper end and the lower end of the fan are respectively provided with a fixing frame, and one ends, deviating from each other, of the two fixing frames are respectively welded with the inner wall of the shell. The fan is fixed inside the shell by the fixing frame.

Preferably, the bottom end of the shell is provided with a fixed groove, the bottom of the filter element is inserted into the fixed groove, and the top of the filter element is provided with a pull rod. The fixed slot prevents the filter element from shaking in the shell, and the filter element can be pulled out from the shell for cleaning by using the pull rod.

Preferably, the top of the preselection box is embedded with a feeding pipe, and the bottom of the preselection box is embedded with a first discharging pipe. Cement material enters the preselection box from the feed pipe, and the residual cement material in the preselection box is discharged from the first discharge pipe.

Preferably, the side of the storage box opposite to the preselection box is provided with an opening which is not closed. Cement material passing through the second grid enters the interior of the storage bin from the opening.

Preferably, the bottom of the storage box is embedded and provided with a second discharging pipe. The cement material in the storage box is discharged from the discharge pipe.

Preferably, the mesh openings of the first grid are smaller than the mesh openings of the second grid. Preventing the cement material inside the storage box from being discharged from the mesh openings of the first lattice frame.

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

1. according to the utility model, the fan and the second grid are arranged, the cement materials after powder selection are added into the preselection box from the feeding pipe, the fan is started before feeding, after the cement materials enter the preselection box, qualified powder materials in the cement materials can enter the second movable holes under the influence of wind force, the cement materials penetrate through meshes of the second grid in the second movable holes to enter the storage box, the cement materials in the storage box are discharged from the second discharge pipe to be directly used, the cement materials in the preselection box are discharged from the first discharge pipe to enter the grinder to be ground, so that the cement materials screened by the powder selector and the cyclone can be secondarily screened, the cement materials with proper volumes can be directly screened, the pressure of the grinder is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is an enlarged schematic view of fig. 2 according to the present utility model.

In the figure: 1. a first discharge pipe; 2. a preselection box; 3. a housing; 4. a pull rod; 5. a feed pipe; 6. a storage tank; 7. a second discharge pipe; 8. a fixing groove; 9. a filter element; 10. a blower; 11. a fixing frame; 12. a first movable hole; 13. a first grid; 14. a second movable hole; 15. a second grid; 16. and a jack.

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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-3, the cement grinding product preselection structure provided by the utility model comprises a preselection box 2 and a filter element 9, wherein a shell 3 is embedded and installed on one side of the preselection box 2, a fan 10 is installed in the shell 3, fixing frames 11 are respectively installed at the upper end and the lower end of the fan 10, one ends, deviating from each other, of the two fixing frames 11 are respectively welded with the inner wall of the shell 3, a jack 16 is formed in the top of the shell 3, the filter element 9 is inserted into the shell 3 from the jack 16, a fixed groove 8 is formed in the bottom end of the shell 3, the bottom of the filter element 9 is inserted into the fixed groove 8, a pull rod 4 is installed at the top of the filter element 9, a feed pipe 5 is embedded and installed at the top of the preselection box 2, a first discharge pipe 1 is embedded and installed at the bottom of the preselection box 2, a storage box 6 is welded on one side, deviating from the shell 3, an opening is not closed, a second movable hole 14 is formed in one side, opposite to the storage box 6, of the preselection box 2, a second movable hole 14 is formed in the second grid 15, and a second discharge pipe 7 is installed at the bottom of the storage box 6.

In this embodiment, through inlet pipe 5, add the cement material after selecting the powder to preselection case 2 inside, start fan 10 before the feeding, fan 10 is to preselection case 2 inside bloies, the inside filter core 9 of casing 3 adsorbs the dust in the air, the inside qualified powdery material of cement material receives the influence of wind-force and can get into second movable hole 14 after getting into preselection case 2 inside, the cement material passes the mesh of the inside second grid 15 of second movable hole 14 and gets into bin 6 inside, the inside cement material of bin 6 is discharged and is directly used from second row material pipe 7, the inside cement material of preselection case 2 is discharged from first row material pipe 1 and is got into the mill and grind.

Example two

As shown in fig. 1-3, the cement grinding product preselection structure according to the present utility model further includes, compared to the first embodiment: the first movable holes 12 and the first grids 13 are arranged at the top of the storage box 6, the first grids 13 are arranged on the inner sides of the first movable holes 12, and the meshes of the first grids 13 are smaller than those of the second grids 15.

In this embodiment, the air inside the storage box 6 is discharged from the first movable hole 12 through the first movable hole 12, and the first mesh 13 prevents the cement material inside the storage box 6 from being discharged from the first movable hole 12.

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.

Claims

1. The utility model provides a cement grinds article preselection structure, includes preselection case (2) and filter core (9), its characterized in that: casing (3) are installed in embedding of preselection case (2) one side, casing (3) internally mounted has fan (10), jack (16) have been seted up at casing (3) top of fan (10) deviating from preselection case (2) one side, filter core (9) are inserted inside casing (3) from jack (16), one side welding that preselect case (2) deviates from casing (3) has bin (6), second movable hole (14) have been seted up to one side that preselect case (2) is opposite with bin (6), second grid (15) are installed to second movable hole (14) inboard, first movable hole (12) have been seted up at bin (6) top, first grid (13) are installed to first movable hole (12) inboard.

2. A cement mill finish preselect according to claim 1, wherein: the upper end and the lower end of the fan (10) are respectively provided with a fixing frame (11), and one end, deviating from the two fixing frames (11), of the fan is respectively welded with the inner wall of the shell (3).

3. A cement mill finish preselect according to claim 1, wherein: a fixing groove (8) is formed in the bottom end of the inside of the shell (3), the bottom of the filter element (9) is inserted into the fixing groove (8), and the top of the filter element (9) is provided with a pull rod (4).

4. A cement mill finish preselect according to claim 1, wherein: the top of the preselection box (2) is embedded and provided with a feeding pipe (5), and the bottom of the preselection box (2) is embedded and provided with a first discharging pipe (1).

5. A cement mill finish preselect according to claim 1, wherein: the storage box (6) is provided with an opening which is not closed at the side opposite to the preselection box (2).

6. A cement mill finish preselect according to claim 1, wherein: the bottom of the storage box (6) is embedded and provided with a second discharging pipe (7).

7. A cement mill finish preselect according to claim 1, wherein: the mesh openings of the first grid (13) are smaller than the mesh openings of the second grid (15).