Filtering device for producing liquid cement grinding aid

Abstract

The utility model discloses a filtering device for producing a liquid cement grinding aid, which comprises a box body, a filter screen and a rotating shaft are arranged in the box body, the rotating shaft is arranged in the middle of the box body, one end of the rotating shaft extends out of the box body and is connected with a power output end of a motor, and a plurality of groups of extrusion rollers corresponding to the filter screen are arranged on the rotating shaft. And the extrusion roller is rotationally connected with the rotating shaft, and a plurality of groups of crushing blocks corresponding to the filter screens are mounted on the extrusion roller. The grinding aid crushing device has the beneficial effects that the extrusion rollers and the crushing blocks are arranged to roll on the filter screen under the driving of the rotating shaft, so that hardened powder filtered on the filter screen can be effectively crushed, and then the crushed powder is mixed with raw materials through the filter screen, so that the ratio of the materials is not changed, and the using effect of the grinding aid raw materials is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement grinding aid filtering device technical field, especially is liquid cement grinding aid production with filtering device. BACKGROUND

[0002] Cement grinding aid is a kind of chemical additive that can improve cement grinding effect and performance, can significantly improve cement bench time output, each age period cement strength, improve its flowability.Cement grinding aid can greatly reduce the electrostatic adsorption balling phenomenon formed in the grinding process, and can reduce the re-aggregation tendency of superfine particles formed in the grinding process.Cement grinding aid can also significantly improve cement flowability, improve the grinding effect of mill and the powder selection efficiency of powder concentrator, thereby reducing the grinding energy consumption.Cement produced using grinding aid has lower compaction aggregation tendency, thereby facilitating the loading and unloading of cement, and can reduce the wall hanging phenomenon of cement silo.As a kind of chemical additive, grinding aid can improve cement particle distribution and stimulate hydration dynamics, thereby improving early strength and later strength of cement.

[0003] Liquid grinding aid raw materials contain micro powder, and form hardening after long-time storage, some existing liquid cement grinding aids usually filter out hardening when filtering, however, such operation can affect the proportioning of raw materials inside grinding aid and affect the use effect of grinding aid. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings that some existing liquid cement grinding aids usually filter out hardening when filtering, however, such operation can affect the proportioning of raw materials inside grinding aid and affect the use effect of grinding aid, and provides liquid cement grinding aid production with filtering device.

[0005] The utility model discloses a liquid cement grinding aid production with filtering device, including the box, install the filter screen in the box, install the pivot in the box, and the pivot sets up in the middle part of the box, and one end of the pivot extends to the box outside and is connected with the power output end of motor, install a plurality of extruding rollers corresponding with the filter screen on the pivot, and the extruding roller is rotatably connected with the pivot, install a plurality of broken pieces corresponding with the filter screen on the extruding roller, can effectively crush the powder hardening filtered on the filter screen under the driving of the pivot by setting extruding roller and broken piece, and then mix to raw material through the filter screen, so as to ensure that the proportioning of material does not change, guarantee the use effect of grinding aid raw materials.

[0006] Further technical scheme is that a plurality of grooves matched with the broken pieces are formed on the filter screen, and the broken pieces and the grooves can improve the crushing effect of the broken pieces on the hardening material and improve the use efficiency of the equipment.

[0007] Further, a plurality of scrapers are arranged on the rotating shaft and contact the inner wall of the box, and the scrapers are arranged below the filter screen, so that the inner wall of the box can be scraped, the material residues on the inner wall of the box are avoided, the liquid grinding aid in the box can be stirred, and the powder is prevented from being agglomerated again.

[0008] Further, the bottom discharge port of the box is provided with an on-off valve, and the bottom surface of the rotating shaft is provided with a spiral blade corresponding to the on-off valve, so that the discharging efficiency of the material is improved.

[0009] Further, the end of the crushing block away from the extrusion roller is provided with a wear-resistant layer, so that the wear resistance of the crushing block is improved, and the service life of the equipment is prolonged.

[0010] The utility model has the advantages that: the powder agglomerated on the filter screen is effectively crushed under the driving of the extrusion roller and the crushing block on the rotating shaft, and then the crushed powder is mixed with the raw material through the filter screen, so that the proportioning of the material is not changed, the use effect of the grinding aid raw material is ensured, the crushing effect of the crushing block on the agglomerated material is improved through the cooperation of the crushing block and the groove, and the use efficiency of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a schematic view of the overall structure of the utility model;

[0012] Fig. 2 It is a schematic view of the filter screen of the utility model from the top;

[0013] Fig. 3 It is a schematic view of the extrusion roller of the utility model;

[0014] In the figure, 1, box; 2, filter screen; 3, rotating shaft; 4, extrusion roller; 5, crushing block; 6, groove; 7, scraper; 8, spiral blade; 9, on-off valve; 10, motor; 11, feed inlet; 12, wear-resistant layer. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents the preferred application of the application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0017] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0018] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] As Figs. 1-3As shown, the liquid cement grinding aid production filter device, including box 1, the box 1 is installed with filter screen 2, the box 1 is installed with rotating shaft 3, rotating shaft 3 is arranged in the middle of box 1, one end of rotating shaft 3 extends to the outside of box 1 and is connected with the power output end of motor 10, a plurality of extrusion rollers 4 corresponding to filter screen 2 are installed on rotating shaft 3, extrusion rollers 4 are rotatably connected with rotating shaft 3, a plurality of crushing blocks 5 corresponding to filter screen 2 are installed on extrusion rollers 4, the setting extrusion rollers 4 and crushing blocks 5 can effectively crush the hardened powder filtered on filter screen 2 under the driving of rotating shaft 3, and then the material is mixed into the raw material, so that the proportioning of the material is not changed, and the use effect of the grinding aid raw material is ensured.

[0022] Further, the feeding port 11 is provided to add material, a plurality of grooves 6 matched with the crushing blocks 5 are formed in the filter screen 2, the setting crushing blocks 5 and grooves 6 can improve the crushing effect of the crushing blocks 5 on the hardened material and improve the use efficiency of the equipment, a plurality of scraper plates 7 in contact with the inner wall of the box 1 are installed on the rotating shaft 3, the scraper plates 7 are arranged below the filter screen 2, the setting scraper plates 7 can scrape the inner wall of the box 1, so that the material is not wasted due to the residue on the inner wall of the box 1, and the liquid grinding aid in the box 1 can be stirred to avoid the powder from being hardened again, the on-off valve 9 is installed at the bottom discharge port of the box 1, the helical blade 8 corresponding to the on-off valve 9 is installed on the bottom surface of the rotating shaft 3, the setting helical blade 8 can accelerate the discharging efficiency of the material, the wear-resistant layer 12 is installed at the end of the crushing block 5 away from the extrusion roller 4, the setting wear-resistant layer 12 can improve the wear resistance of the crushing block 5 and prolong the service life of the equipment.

[0023] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A filtering device for the production of liquid cement grinding aids, comprising a tank (1), characterized by the fact that: The box (1) is provided with a filter screen (2), a rotating shaft (3) is arranged in the box (1), one end of the rotating shaft (3) extends out of the box (1) and is connected with the power output end of a motor (10), a plurality of extrusion rollers (4) corresponding to the filter screen (2) are arranged on the rotating shaft (3), the extrusion rollers (4) are rotatably connected with the rotating shaft (3), and a plurality of crushing blocks (5) corresponding to the filter screen (2) are arranged on the extrusion rollers (4).

2. The filtering device for producing liquid cement grinding aids according to claim 1, characterized in that: A plurality of grooves (6) corresponding to the crushing blocks (5) are formed in the filter screen (2).

3. The filter device for production of liquid cement grinding aid according to claim 1, characterized in that: A plurality of scraper plates (7) in contact with the inner wall of the box (1) are arranged on the rotating shaft (3) and below the filter screen (2).

4. The filter device for production of liquid cement grinding aid according to claim 1, characterized in that: A start-stop valve (9) is arranged at the bottom discharge port of the box (1), and a spiral blade (8) corresponding to the start-stop valve (9) is arranged on the bottom surface of the rotating shaft (3).

5. The filter device for liquid cement grinding aid production according to claim 1, characterized in that: A wear-resistant layer (12) is arranged at the end of the crushing block (5) away from the extrusion roller (4).

Images