Cement pre-grinding equipment

Abstract

The utility model discloses cement pre-grinding equipment, which relates to the technical field of cement and is technically characterized by comprising a bottom plate and four supporting legs fixedly arranged on the bottom surface of the bottom plate, and a grinding mechanism and a powder discharging mechanism are arranged above the bottom plate; the powder discharging mechanism is positioned above the grinding mechanism; the cement grinding device has the technical effects that fine materials in the grinding tank can be pumped out through the powder discharging mechanism, the fine materials can be filtered in the powder pumping process, and the situation that coarse materials are doped in the fine materials, so that the quality of ground cement is poor is avoided; in the filtering process, the needle plate is controlled to move back and forth in a reciprocating mode, the filter screen can be dredged when the needle plate moves backwards, the efficiency can be higher when fine materials are filtered, and the filter screen can be detached after long-time filtering is completed, so that the filter screen can be completely cleaned; and after cleaning is completed, the powder discharging device only needs to be inserted into the powder discharging frame, and installation is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement technical field, concretely is a cement pregrinding equipment. BACKGROUND

[0002] Cement clinker is with limestone and clay, iron raw material as main raw material, according to the appropriate proportion preparation into raw material, burns to partial or all melting, and obtains semi-finished product after cooling, in the cement clinker preparation process, because the granularity of original material is larger, the hardness is higher, cannot use directly, therefore needs to carry out grinding processing to it;

[0003] China patent network has published a kind of cement clinker pregrinding equipment, public number is CN219898504U, belong to grinding equipment field, including base, base upper end surface is provided with round seat, round seat upper is provided with cylinder, base upper end surface one side position is provided with motor, round seat one side is provided with slag discharge port, cylinder one side is provided with feed inlet, cylinder top is provided with exhaust pipe, exhaust pipe head is provided with air guide pipe, air guide pipe head is provided with discharge pipe, discharge pipe top is provided with rectangular slot, rectangular slot is provided with inner frame plate in, inner frame plate middle part is provided with screen, by the air guide pipe and discharge pipe of additional installation on the exhaust pipe top of powder equipment, and setting up the inner frame plate and screen of quick disassembly and assembly in discharge pipe, to effectively filter the powder of discharge, and corresponding excess material tank is set below discharge pipe, to collect the excess material filtered out, convenient recovery, can effectively screen coarse particles in dust, improve the discharge capacity of coarse crushing product

[0004] The above-mentioned device can filter the discharged fine powder when grinding the cement raw material through the screen, but the screen holes will be blocked after a long time of filtering, which will greatly reduce the screening efficiency. Therefore, it is necessary to close the device, remove the screen, dredge it, and then install it for filtering after dredging. This will affect the processing efficiency. Therefore, a cement pregrinding equipment is proposed. UTILITY MODEL CONTENTS

[0005] TECHNICAL SCHEME

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cement pregrinding equipment, including bottom plate and four supporting legs fixedly arranged on the bottom surface of the bottom plate, the bottom plate is provided with grinding mechanism and powder outlet mechanism above;

[0007] The powder outlet mechanism is located above the grinding mechanism.

[0008] The powder outlet mechanism includes powder extraction part and filter part.

[0009] The powder extraction part includes powder frame, connecting frame and motor, and the filter part includes filter screen and multiple needle plates.

[0010] The left side surface of the powder outlet frame is slidably provided with a sliding frame extending to the inner side of the powder outlet frame, the inner side surface of the sliding frame is fixedly connected with the side surface of the filter screen, the inner side surface of the powder outlet frame is slidably provided with a moving frame, the left and right end surfaces of the inner side of the moving frame are fixedly connected with the left and right end surfaces of the plurality of needle plates, the bottom surface of the powder outlet frame is fixedly and penetratively provided with a discharging frame extending to the inside of the powder outlet frame, the bottom surface of the discharging frame is fixedly and penetratively provided with a storage box, the back surface of the storage box is penetratively provided with a discharging groove, and the inner wall of the discharging groove is provided with a door plate.

[0011] Preferably, the grinding mechanism comprises a grinding tank, the bottom surface of the grinding tank is fixedly connected with the top surface of the bottom plate, the surface of the grinding tank is fixedly and penetratively provided with a discharging frame extending to the inside of the grinding tank, the inner side of the grinding tank is slidably provided with a stopper, and the bottom surface of the powder outlet frame is fixedly and penetratively provided with the grinding tank top surface extending to the inside of the grinding tank.

[0012] Preferably, the front surface of the powder outlet frame is fixedly and penetratively connected with the front surface of the connecting frame, the right end surface of the inner side of the connecting frame is fixedly provided with a mounting plate, the front surface of the mounting plate is fixedly connected with the back surface of the motor, the back surface of the motor output end penetrates through the front surface of the mounting plate and extends to the back of the mounting plate, and the back surface of the motor output end is fixedly provided with an impeller.

[0013] Preferably, the front surface of the moving frame is fixedly provided with a moving frame, the back surface of the impeller is fixedly provided with a threaded rod, the surface of the threaded rod is threadedly provided with a threaded sleeve, and the back surface of the threaded sleeve is fixedly connected with the front surface of the moving frame.

[0014] Preferably, the right end surface of the inner side of the powder outlet frame is provided with a wedge-shaped groove, the inner wall of the wedge-shaped groove is slidably provided with a wedge-shaped block, and the left side surface of the wedge-shaped block is fixedly connected with the right side surface of the moving frame.

[0015] Preferably, the back surface of the storage box is fixedly provided with an electric telescopic rod, the front surface of the output end of the electric telescopic rod penetrates through the back surface of the storage box and extends to the inside of the storage box, the front surface of the output end of the electric telescopic rod is fixedly provided with a push plate, and the bottom surface of the push plate is slidably connected with the inner side bottom surface of the storage box.

[0016] Preferably, the surface of the grinding tank is fixedly and penetratively provided with a feeding frame extending to the inside of the grinding tank, the left side surface of the feeding frame is fixedly provided with a mounting frame, the inner side surface of the mounting frame is slidably provided with a baffle, and the feeding frame is located on the left side of the discharging frame.

[0017] Beneficial effects

[0018] Compared with the prior art, the cement pre-grinding equipment has the following beneficial effects:

[0019] 1、By setting the powder outlet mechanism can be extracted from the inside of the fine powder mill tank, and in the process of powder extraction can also be filtered, avoid the inside of the fine material mixed with coarse material, resulting in poor quality of cement grinding is completed, in the process of filtering through the control needle plate reciprocating movement, when the needle plate to the rear can be filtered screen dredging, can be more efficient when filtering the fine material, and after a long time after the completion of the filter screen can be removed, so that it can be completely cleaned, after cleaning only need to be inserted into the powder frame inside, when the installation is more convenient, by setting the storage box can be collected in the process of filtering the coarse material, after the coarse material storage in the storage box is full of door plate open, open electric telescopic rod can be discharged from the storage box inside the coarse material.

[0020] 2、By setting the grinding mechanism can be cement raw material grinding, after grinding, by pulling the stop block can be discharged from the inside of the grinding tank through the discharge frame, and by setting the baffle can be closed in the process of grinding, when the powder is discharged. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a right side view of the present application;

[0022] Figure 2 is a partial view of the present application;

[0023] Figure 3 is a front view of the present application;

[0024] Figure 4 is a left side view of the present application;

[0025] Figure 5 is a right side view of the present application; Figure 2 is an enlarged view of the A area of the present application.

[0026] In the figure: 1 bottom plate, 2 grinding mechanism, 21 grinding tank, 22 discharge frame, 23 stop block, 24 baffle, 25 feeding frame, 26 mounting frame, 3 powder outlet mechanism, 31 powder frame, 32 storage box, 33 connecting frame, 34 sliding frame, 35 filter screen, 36 needle plate, 37 moving frame, 38 threaded sleeve, 39 threaded rod, 310 impeller, 311 mounting plate, 312 motor, 313 electric telescopic rod, 314 push plate, 315 discharge frame, 316 door plate, 317 wedge block, 318 moving frame, 4 support leg. DETAILED DESCRIPTION

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] like Figures 1-5 As shown, this embodiment proposes a base plate 1 and four support legs 4 fixedly installed on the bottom surface of the base plate 1. A grinding mechanism 2 and a powder discharging mechanism 3 are provided above the base plate 1.

[0030] The powder outlet mechanism 3 is located above the grinding mechanism 2;

[0031] The powder dispensing mechanism 3 includes a powder extraction section and a filtration section;

[0032] The powder extraction section includes a powder dispensing frame 31, a connecting frame 33 and a motor 312, and the filtration section includes a filter screen 35 and multiple needle plates 36.

[0033] A sliding frame 34 extends through the left side of the powder outlet frame 31 to the inside of the powder outlet frame 31. The inner side of the sliding frame 34 is fixedly connected to the side of the filter screen 35. A movable frame 37 is slidably arranged on the inner side of the powder outlet frame 31. The left and right ends of the inner side of the movable frame 37 are fixedly connected to the left and right ends of multiple needle plates 36. A discharge frame 315 extends through the bottom of the powder outlet frame 31 and into the inside of the powder outlet frame 31. A storage box 32 is fixedly arranged through the bottom of the discharge frame 315. A discharge trough is opened through the back of the storage box 32. A door panel 316 is provided on the inner wall of the discharge trough. The front of the powder outlet frame 31 is fixedly and continuously connected to the front of the connecting frame 33. An installation plate 311 is fixedly arranged on the right end of the inner side of the connecting frame 33. The front of the installation plate 311 is fixedly connected to the back of the motor 312. The back of the output end of the motor 312 extends through the front of the installation plate 311. Extending to the rear of the mounting plate 311, an impeller 310 is fixedly installed on the back of the output end of the motor 312. A moving frame 318 is fixedly installed on the front of the moving frame 37. A threaded rod 39 is fixedly installed on the back of the impeller 310. A threaded sleeve 38 is threaded on the surface of the threaded rod 39. The back of the threaded sleeve 38 is fixedly connected to the front of the moving frame 318. A wedge-shaped groove is opened on the right end face of the inner side of the powder outlet frame 31. A wedge block 317 is slidably installed on the inner wall of the wedge groove. The left side of the wedge block 317 is fixedly connected to the right side of the moving frame 318. An electric telescopic rod 313 is fixedly installed on the back of the storage box 32. The front of the output end of the electric telescopic rod 313 extends through the back of the storage box 32 and into the interior of the storage box 32. A push plate 314 is fixedly installed on the front of the output end of the electric telescopic rod 313. The bottom surface of the push plate 314 is slidably connected to the bottom surface of the inner side of the storage box 32.

[0034] In this embodiment, the fine powder inside the grinding tank 21 can be extracted by setting the powder outlet mechanism 3, and the fine powder can also be filtered during the powder extraction process, avoiding the mixing of coarse powder inside the fine powder, which can cause poor quality of the finished cement. During the filtering process, the needle plate 36 moves back and forth, and when the needle plate 36 moves backward, it can dredge the filter screen 35, which can improve the efficiency of filtering the fine powder. After a long time of filtering, the filter screen 35 can be removed for complete cleaning. After cleaning, it only needs to be inserted into the powder outlet frame 31, which is convenient to install. The storage box 32 can be set to collect the coarse powder generated during filtering. When the coarse powder storage inside the storage box 32 is full, the door plate 316 is opened, and the electric telescopic rod 313 is opened to discharge the coarse powder inside the storage box 32.

[0035] Embodiment 2

[0036] As shown in Figures 1-5 the same as the above embodiment 1, the grinding mechanism 2 includes a grinding tank 21, the bottom surface of the grinding tank 21 is fixedly connected with the top surface of the bottom plate 1, the surface of the grinding tank 21 is fixedly and penetratingly provided with a discharge frame 22 extending into the grinding tank 21, the inside of the grinding tank 21 is slidingly provided with a stop block 23, the bottom surface of the powder outlet frame 31 is fixedly and penetratingly extended to the inside of the grinding tank 21 through the top surface of the grinding tank 21, the surface of the grinding tank 21 is fixedly and penetratingly provided with a feeding frame 25 extending into the grinding tank 21, the left side surface of the feeding frame 25 is fixedly provided with a mounting frame 26, the inside surface of the mounting frame 26 is slidingly provided with a baffle plate 24, and the feeding frame 25 is located to the left of the discharge frame 22.

[0037] In this embodiment, the cement raw material can be ground by setting the grinding mechanism 2. After grinding, the coarse powder inside the grinding tank 21 can be discharged through the discharge frame 22 by pulling the stop block 23, and the feeding frame 25 can be closed during grinding by setting the baffle plate 24, so that the powder is not discharged during grinding.

[0038] When in use, the cement raw materials are poured into the grinding frame 21 through the feeding frame 25, the baffle 24 is closed, the connecting frame 33 is connected with the storage device, the grinding frame 21 is opened after the closing is completed, the cement raw materials can be ground, the motor 312 is started during the grinding process, the output end of the motor 312 rotates to drive the impeller 310 to rotate, the fine powder in the grinding frame 21 is sucked into the storage device when the impeller 310 rotates, the fine powder is filtered through the filter screen 35 during the powder sucking process, the larger particles in the fine powder are filtered during the filtering process, the coarse powder generated during the filtering process falls into the storage box 32 through the discharging frame 315, the threaded rod 39 rotates when the impeller 310 rotates, the moving frame 37 moves back and forth through the threaded sleeve 38 and the moving frame 318 when the threaded rod 39 rotates, the plurality of needle plates 36 move synchronously when the moving frame 37 moves back, the filter screen 35 is dredged when the plurality of needle plates 36 move back, the filter screen 35 is prevented from being blocked, the coarse powder in the grinding frame 21 is discharged through the discharging frame 22 by pulling the baffle 23, the door plate 316 is opened after the coarse powder in the storage box 32 is stored full, the push plate 314 moves to the right side by starting the electric telescopic rod 313, the coarse powder in the storage box 32 is discharged when the push plate 314 moves to the right side.

[0039] The above are only specific embodiments of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is included in the protection scope of the present application.

Claims

1. A cement pre-grinding device, comprising a base plate (1) and four supporting legs (4) fixedly arranged on the bottom surface of the base plate (1), characterized in that: The bottom plate (1) is provided with a powder grinding mechanism (2) and a powder discharging mechanism (3) above; The powder discharging mechanism (3) is located above the powder grinding mechanism (2); The powder discharging mechanism (3) comprises a powder discharging frame (31), a connecting frame (33) and a motor (312), and the filter part comprises a filter screen (35) and a plurality of needle plates (36); The left side surface of the powder discharging frame (31) is slidably provided with a sliding frame (34) extending to the inside of the powder discharging frame (31), the inside surface of the sliding frame (34) is fixedly connected with the side surface of the filter screen (35), the inside surface of the powder discharging frame (31) is slidably provided with a moving frame (37), the left and right end surfaces of the moving frame (37) are fixedly connected with the left and right end surfaces of the plurality of needle plates (36), the bottom surface of the powder discharging frame (31) is fixedly provided with a discharging frame (315) extending to the inside of the powder discharging frame (31), the bottom surface of the discharging frame (315) is fixedly provided with a storage box (32), the back surface of the storage box (32) is provided with a discharging groove, and the inner wall of the discharging groove is provided with a door plate (316). The powder grinding mechanism (2) comprises a powder grinding tank (21), the bottom surface of the powder grinding tank (21) is fixedly connected with the top surface of the bottom plate (1), the surface of the powder grinding tank (21) is fixedly provided with a discharging frame (22) extending to the inside of the powder grinding tank (21), the inside of the powder grinding tank (21) is slidably provided with a stop block (23), and the bottom surface of the powder discharging frame (31) is fixedly provided with a discharging frame (315) extending to the inside of the powder grinding tank (21).

2. A cement pre-milling device according to claim 1, characterised in that: The front surface of the powder discharging frame (31) is fixedly and penetratingly connected with the front surface of the connecting frame (33), the right end surface of the inside of the connecting frame (33) is fixedly provided with a mounting plate (311), the front surface of the mounting plate (311) is fixedly connected with the back surface of the motor (312), the back surface of the output end of the motor (312) penetrates the front surface of the mounting plate (311) and extends to the back of the mounting plate (311), and the back surface of the output end of the motor (312) is fixedly provided with an impeller (310).

3. A cement pre-milling device as claimed in claim 1, characterized in that: The front surface of the moving frame (37) is fixedly provided with a moving frame (318), the back surface of the impeller (310) is fixedly provided with a threaded rod (39), the surface of the threaded rod (39) is threadedly provided with a threaded sleeve (38), and the back surface of the threaded sleeve (38) is fixedly connected with the front surface of the moving frame (318).

4. A cement pre-milling device according to claim 3, characterised in that: The right end surface of the inside of the powder discharging frame (31) is provided with a wedge-shaped groove, the inside wall of the wedge-shaped groove is slidably provided with a wedge-shaped block (317), and the left side surface of the wedge-shaped block (317) is fixedly connected with the right side surface of the moving frame (318).

5. A cement pre-milling device as claimed in claim 1, wherein: The back surface of the storage box (32) is fixedly provided with an electric telescopic rod (313), the front surface of the output end of the electric telescopic rod (313) penetrates the back surface of the storage box (32) and extends to the inside of the storage box (32), the front surface of the output end of the electric telescopic rod (313) is fixedly provided with a push plate (314), and the bottom surface of the push plate (314) is slidably connected with the inside bottom surface of the storage box (32).

6. A cement pre-milling device as claimed in claim 1, characterized in that: ​ 7. A cement pre-milling device as claimed in claim 2, wherein: The surface of the grinding tank (21) is fixedly provided with a feeding frame (25) extending to the inside of the grinding tank (21), the left side of the feeding frame (25) is fixedly provided with a mounting frame (26), the inner side of the mounting frame (26) is slidably provided with a baffle (24), and the feeding frame (25) is located to the left of the discharging frame (22).

Images