Cement grinding equipment

Abstract

The utility model relates to the technical field of cement grinding, and discloses a cement grinding device which comprises a collecting frame, a spiral conveyor is movably installed on the inner wall of the collecting frame, two installation covers are fixedly installed above the collecting frame, a grinding cylinder is fixedly installed above the installation covers, and the spiral conveyor is movably installed on the inner wall of the collecting frame. A feeding port is fixedly formed in the upper portion of the grinding cylinder, a conveying port is fixedly formed in the lower portion of the grinding cylinder, a rotating shaft motor is fixedly installed at one end of the grinding cylinder, a rotating shaft rod is fixedly installed at one end of the rotating shaft motor, a pressing roller is fixedly installed on the outer surface of the rotating shaft rod, and a grinding groove is formed between the pressing roller and the grinding cylinder. By adopting a separate grinding mode, clinker particles can be effectively ground to required fineness to generate higher strength, the clinker consumption can be effectively reduced, the production cost of cement grinding work is reduced, greater economic benefits are generated, and the use effect of cement grinding equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cement grinding, in particular to cement grinding equipment. Background Art

[0002] Cement grinding is the last step in cement production and the most power-consuming step. Its main function is to grind cement clinker, retarder and performance adjustment materials to a suitable particle size (expressed in fineness, specific surface area, etc.), form a certain particle size, increase its hydration area, accelerate the hydration rate, and meet the requirements of cement paste coagulation and hardening.

[0003] The existing Chinese utility model patent with reference announcement number: CN219816442U discloses a grinding device for cement production. The utility model solves the technical problem that the existing grinding device adopts a single grinding roller method for primary grinding, which makes the powder ground out of the raw material not fine enough, thereby reducing the yield of cement raw material grinding. The utility model comprises a box body, and a feed channel is fixedly installed on the upper wall of the box body. The utility model performs preliminary clinker crushing by mutual squeezing of a pressure roller and a grinding plate, and performs secondary grinding of the crushed clinker by mutual friction between a moving grinding disc and a moving grinding disc, thereby improving the fine yield of the clinker output, and drives the moving grinding disc to adjust its height by a cylinder, thereby adjusting the distance between the moving grinding disc and the fixed grinding disc, thereby controlling the fineness of the clinker grinding, improving the diversification of cement clinker grinding, and making the ground powder discharged in a unified manner through the discharging component.

[0004] Most of the existing cement production grinding equipment adopts the traditional combined grinding method for clinker and mixed materials, which results in the clinker particles not being fully ground and the strength not being fully exerted, resulting in high clinker consumption, increasing the production cost of cement grinding processing, reducing the practicality of cement grinding equipment, and reducing the efficiency of cement grinding. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a cement grinding equipment, which adopts a separate grinding method, can effectively grind the clinker particles to the required fineness to produce higher strength, can effectively reduce clinker material consumption, and reduce production costs, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the cement grinding equipment comprises: a collecting frame for collecting clinker, a screw conveyor for cement material discharge being movably installed on the inner wall of the collecting frame, two mounting covers for connecting and matching are fixedly installed on the top of the collecting frame, a grinding cylinder for grinding is fixedly installed on the top of the mounting cover, a feeding port for pouring clinker is fixedly installed on the top of the grinding cylinder, a conveying port for matching conveying is fixedly installed on the bottom of the grinding cylinder, a rotating shaft motor for driving rotation is fixedly installed on one end of the grinding cylinder, a rotating shaft rod for connecting and matching is fixedly installed on one end of the rotating shaft motor, a pressure roller for grinding is fixedly installed on the outer surface of the rotating shaft rod, and a grinding groove for clinker feeding and grinding is formed between the pressure roller and the grinding cylinder.

[0009] As the preferred technical solution of the utility model, a screw motor is fixedly installed on one side of the outer surface of the collecting frame, a screw conveyor is fixedly connected to one side of the screw motor, and a discharge port is fixedly installed on one side of the collecting frame; the discharge port is used to discharge the ground clinker for use.

[0010] As a preferred technical solution of the utility model, inclined plates are fixedly installed on both sides of the inner surface of the collecting frame, and the inclined plates are movably installed on both sides of the screw conveyor; two inclined plates are installed for cooperation.

[0011] As a preferred technical solution of the utility model, a docking frame is fixedly installed at the center position above the mounting cover, and a conveying port is movably installed on the inner wall of the docking frame; the docking frame and the conveying port are connected so that the raw material is conveyed into the collection frame.

[0012] As the preferred technical solution of the utility model, support covers are fixedly installed at both ends of the outer surface of the grinding cylinder, support rods are fixedly installed on one side of the outer surface of the support cover, and the support rods are fixedly installed on both sides of the outer surface of the collection frame; the support rods are used to support the grinding cylinder.

[0013] As a preferred technical solution of the utility model, one end of the rotating shaft rod is movably connected to the inside of the grinding cylinder, and the pressure roller is movably installed inside the grinding cylinder; the grinding cylinder is used to grind cement clinker into powder.

[0014] As the preferred technical solution of the utility model, the support cover is in an "o" shape, the support cover is fixedly installed above the collecting frame, and the grinding cylinder is fixedly installed above the docking frame; the support cover is used with a support rod to support the grinding cylinder.

[0015] Compared with the prior art, the utility model provides a cement grinding device, which has the following beneficial effects:

[0016] 1. The utility model installs two installation covers correspondingly above the collecting frame, and grinding cylinders are installed correspondingly above the installation covers. Two groups of grinding cylinders are arranged for coordinated use, so that grinding work can be distributed according to cement clinker particles. The separate grinding method can effectively grind the clinker particles to the required fineness to produce higher strength, effectively reduce clinker material consumption, reduce cement grinding work production costs, and generate greater economic benefits.

[0017] 2. The utility model arranges a screw conveyor structure inside the collecting frame, and uses the screw conveyor to discharge the raw material after grinding for use, which is convenient for increasing the use function of the cement grinding equipment structure and improving the practicability of the cement grinding equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the collection frame of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation cover of the utility model;

[0021] Figure 4 This is a schematic diagram of the grinding cylinder of the utility model;

[0022] Figure 5 This is a schematic diagram of the interior of the grinding tube of the utility model.

[0023] Among them: 1. Collection frame; 11. Screw motor; 12. Screw conveyor; 13. Discharge port; 14. Inclined plate; 2. Mounting cover; 21. Docking frame; 3. Grinding cylinder; 31. Feed port; 32. Conveying port; 33. Rotating shaft motor; 34. Rotating shaft rod; 35. Pressing roller; 36. Grinding trough; 4. Support cover; 41. Support rod. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0025] In the description of the present invention, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Combined with Figure 1-Figure 5 In this embodiment, the cement grinding equipment includes: a collecting frame 1, a screw conveyor 12 is movably installed on the inner wall of the collecting frame 1, two mounting covers 2 are fixedly installed above the collecting frame 1, a grinding cylinder 3 is fixedly installed above the mounting covers 2, a feed port 31 is fixedly installed above the grinding cylinder 3, a conveying port 32 is fixedly installed below the grinding cylinder 3, a rotating shaft motor 33 is fixedly installed at one end of the grinding cylinder 3, a rotating shaft rod 34 is fixedly installed at one end of the rotating shaft motor 33, a pressure roller 35 is fixedly installed on the outer surface of the rotating shaft rod 34, and a grinding groove 36 is formed between the pressure roller 35 and the grinding cylinder 3.

[0028] Specifically, the top of the collecting frame 1 is connected to two mounting covers 2, and the top of the mounting covers 2 is respectively connected to two grinding cylinders 3, which is convenient for grinding cement clinker particles separately, and is convenient for improving the use effect of the cement grinding equipment and reducing the use cost. The top of the grinding cylinder 3 is connected to the feed port 31, and the feed port 31 is convenient for pouring cement clinker into the grinding cylinder 3 for processing. A pressure roller 35 structure is installed in the grinding cylinder 3, and the distance between the pressure roller 35 and the grinding cylinder 3 forms a grinding groove 36, which is convenient for conveying cement clinker in the grinding groove 36, so that the pressure roller 35 can grind the clinker while rotating, which is convenient for the coordinated use of the cement grinding equipment structures and improves the use of cement grinding.

[0029] A screw motor 11 is fixedly mounted on one side of the outer surface of the collecting frame 1 , a screw conveyor 12 is fixedly connected to one side of the screw motor 11 , and a discharge port 13 is fixedly mounted on one side of the collecting frame 1 .

[0030] Inclined plates 14 are fixedly mounted on both sides of the inner surface of the collecting frame 1 , and the inclined plates 14 are movably mounted on both sides of the screw conveyor 12 .

[0031] A docking frame 21 is fixedly mounted at the center position above the mounting cover 2 , and a delivery port 32 is movably mounted on the inner wall of the docking frame 21 .

[0032] Specifically, a spiral motor 11 is installed on one side of the outer surface of the collecting frame 1, and the spiral motor 11 drives and connects to a spiral conveyor 12. The spiral conveyor 12 is convenient for discharging the ground powder from the collecting frame 1 for use, so as to improve the use function of the cement grinding equipment and further improve the working efficiency of cement clinker grinding. The installation cover 2 is equipped with a docking frame 21 on top, and the docking frame 21 is used in conjunction with the conveying port 32, so as to facilitate the conveying of the ground cement clinker into the collecting frame 1, and further facilitate the coordinated use between the cement grinding equipment structures.

[0033] Support covers 4 are fixedly mounted on both ends of the outer surface of the grinding cylinder 3 , support rods 41 are fixedly mounted on one side of the outer surface of the support cover 4 , and the support rods 41 are fixedly mounted on both sides of the outer surface of the collecting frame 1 .

[0034] One end of the rotating shaft rod 34 is movably connected to the inside of the grinding cylinder 3 , and the pressure roller 35 is movably installed inside the grinding cylinder 3 .

[0035] The support cover 4 is in an “o” shape. The support cover 4 is fixedly installed above the collecting frame 1 , and the grinding cylinder 3 is fixedly installed above the docking frame 21 .

[0036] Specifically, the outer surfaces at both ends of the grinding cylinder 3 are connected to the support cover 4, and the support cover 4 is used with a support rod 41. The support rod 41 and the support cover 4 support the grinding cylinder 3, which is convenient for installing the grinding cylinder 3 above the installation cover 2, and is convenient for cement clinker grinding and conveying work. The support cover 4 structure is tightly connected to the grinding cylinder 3, which is convenient for improving the stability of the grinding cylinder 3 and improving the effect of cement clinker grinding work.

[0037] Working principle: Cement clinker is poured into the grinding cylinder 3 through the feeding port 31, and a rotating shaft motor 33 is installed on one side of the grinding cylinder 3. The rotating shaft motor 33 is turned on to drive the rotating shaft rod 34 to rotate. The rotating shaft rod 34 carries a pressure roller 35, and the distance between the pressure roller 35 and the grinding cylinder 3 forms a grinding groove 36 structure, so that the cement clinker moves in the grinding groove 36, so that the cement clinker is ground into powder for use. Then a conveying port 32 is installed below the grinding cylinder 3, and the conveying port 32 is connected to the lower docking frame 21. When the cement clinker is ground in the grinding cylinder 3, after the cement clinker is ground into running particles, the particles are conveyed to the docking frame 21 through the conveying port 32. The docking frame 21 is used with a mounting cover 2, and the mounting cover 2 is installed above the collecting frame 1 to facilitate the cement powder to be conveyed to the collecting frame 1. The inner wall of the collecting frame 1 is installed with an inclined The plate 14 is tilted toward one end of the screw conveyor 12, so as to guide the cement powder to the outer surface of the screw conveyor 12 structure, and then the motor screw motor 11 is driven by the screw motor 11 to drive the screw conveyor 12 structure to work, so as to discharge the cement powder from the discharge port 13. By providing two mounting covers 2 mounted above the collecting frame 1, the mounting covers 2 are connected to the two groups of grinding structures respectively, so as to pour the cement clinker into the grinding cylinder 3 respectively, and control the operation of the motor according to the poured cement clinker, so as to adopt the separate grinding method, and can effectively grind the clinker particles to the required fineness to produce higher strength, can effectively reduce the clinker material consumption, and reduce the production cost of cement grinding work, so as to generate greater economic benefits, and facilitate to improve the practicality of the cement grinding equipment.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cement grinding device, comprising: A collecting frame (1), characterized in that a screw conveyor (12) is movably mounted on the inner wall of the collecting frame (1), two mounting covers (2) are fixedly mounted above the collecting frame (1), a grinding cylinder (3) is fixedly mounted above the mounting cover (2), a feed port (31) is fixedly mounted above the grinding cylinder (3), a conveying port (32) is fixedly mounted below the grinding cylinder (3), a rotating shaft motor (33) is fixedly mounted at one end of the grinding cylinder (3), a rotating shaft rod (34) is fixedly mounted at one end of the rotating shaft motor (33), a pressure roller (35) is fixedly mounted on the outer surface of the rotating shaft rod (34), and a grinding groove (36) is formed between the pressure roller (35) and the grinding cylinder (3).

2. A cement grinding equipment according to claim 1, characterized in that: A screw motor (11) is fixedly mounted on one side of the outer surface of the collection frame (1), a screw conveyor (12) is fixedly connected to one side of the screw motor (11), and a discharge port (13) is fixedly mounted on one side of the collection frame (1).

3. A cement grinding equipment according to claim 2, characterized in that: Inclined plates (14) are fixedly mounted on both sides of the inner surface of the collecting frame (1), and the inclined plates (14) are movably mounted on both sides of the screw conveyor (12).

4. A cement grinding equipment according to claim 1, characterized in that: A docking frame (21) is fixedly mounted at the center position above the mounting cover (2), and a delivery port (32) is movably mounted on the inner wall of the docking frame (21).

5. A cement grinding equipment according to claim 1, characterized in that: Support covers (4) are fixedly mounted on both ends of the outer surface of the grinding cylinder (3), support rods (41) are fixedly mounted on one side of the outer surface of the support cover (4), and the support rods (41) are fixedly mounted on both sides of the outer surface of the collection frame (1).

6. A cement grinding equipment according to claim 1, characterized in that: One end of the rotating shaft rod (34) is movably connected to the inside of the grinding cylinder (3), and the pressing roller (35) is movably installed inside the grinding cylinder (3).

7. A cement grinding equipment according to claim 5, characterized in that: The support cover (4) is in an "o" shape, and the support cover (4) is fixedly mounted above the collecting frame (1), and the grinding cylinder (3) is fixedly mounted above the docking frame (21).

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