Raw material grinding device for chemical production

Abstract

The raw material grinding device for chemical production comprises a grinding box and a dustproof structure, a grinding roller, a discharging pipe, a fixed grinding disc, a movable grinding disc, a double-shaft motor, a first filter screen and a second filter screen are sequentially arranged in the grinding box from top to bottom, and a feeding hopper is fixedly installed on the top face of the grinding box. A dustproof structure is mounted in the feeding hopper; the dustproof structure is composed of a hinge, a dustproof plate, a center rod, a telescopic rod and a spring. According to the utility model, the double-shaft motor and the scraping plate are arranged, and the double-shaft motor drives the scraping plate to rotate, so that water treatment agent raw materials on the first filter screen and the second filter screen can be stirred, the water treatment agent raw materials are prevented from blocking the first filter screen and the second filter screen, and the filtering effect and efficiency of the first filter screen and the second filter screen are ensured; and secondly, the water treatment agent raw materials which do not meet the grinding requirement enter the screw elevator through the feeding pipe and finally return to the grinding box for secondary grinding.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to a raw material grinding device for chemical production. Background Technique

[0002] Water treatment agents are chemical agents usually required in the processes of industrial water, domestic water, and wastewater treatment. Their main functions are to control the formation of water scale and sludge, reduce the corrosion of materials in contact with water, remove suspended solids and toxic substances in water, deodorize and decolorize, soften and stabilize water quality, etc.

[0003] The existing technology has the following problems:

[0004] After retrieval, the Chinese patent publication number: CN213254971U discloses a raw material grinding device for sewage treatment agents, including a grinding box. When this patent is in use, the first motor and the second motor are started through the controller. The driving end of the second motor rotates and drives one of the extrusion rollers to rotate. Since gears meshing with each other are fixedly installed between the extrusion rollers, the extrusion rollers rotate simultaneously. The first motor starts and drives the moving grinding disc to rotate. The staff imports the sewage treatment agent into the grinding box from the feed port. At this time, the sewage treatment agent is preliminarily crushed under the extrusion of the extrusion rollers. The crushed sewage treatment agent is introduced into the feed pipe through the inclined slope of the baffle, and the initially crushed sewage treatment agent is introduced into the input end of the fixed grinding disc through the feed pipe. At this time, the initially crushed sewage treatment agent is ground under the action of the fixed grinding disc and the moving grinding disc. The ground sewage treatment agent is discharged through the gap between the fixed grinding disc and the moving grinding disc and filtered through the filter plate. The filtered sewage treatment agent falls to the discharge port, and the electromagnetic valve is opened through the controller to discharge the ground sewage treatment agent. The inspection door can be opened regularly to clean the filter plate and facilitate the maintenance of the second motor.

[0005] However, there are still problems to be improved in the above patent during the grinding process of water treatment agents. More obviously, during the filtration of the ground water treatment agent raw materials by the filter plate, blockage is likely to occur, thus affecting the filtration effect and efficiency of the water treatment agent raw materials.

[0006] Therefore, we propose a raw material grinding device for chemical production to solve the above drawbacks. Content of the Utility Model

[0007] The purpose of the utility model is to provide a raw material grinding device for chemical production to solve the shortcomings existing in the prior art.

[0008] To achieve the above object, the present utility model adopts the following technical solution: A raw material grinding device for chemical production, comprising a grinding box and a dust-proof structure. Inside the grinding box, a grinding roller, a feeding pipe, a fixed grinding disc, a moving grinding disc, a double-shaft motor, a first filter screen, and a second filter screen are sequentially arranged from top to bottom. A feeding hopper is fixedly installed on the top surface of the grinding box, and a dust-proof structure is installed inside the feeding hopper;

[0009] The dust-proof structure is composed of a hinge, a dust-proof plate, a central rod, a telescopic rod, and a spring. The dust-proof plate is hinged to the inner wall of the feeding hopper through the hinge. A telescopic rod is arranged below the dust-proof plate, and both ends of the telescopic rod are rotatably connected to the bottom surface of the dust-proof plate and the inner wall of the feeding hopper respectively through the central rod. A spring is sleeved outside the telescopic rod;

[0010] One end of the double-shaft motor is fixedly connected to the bottom surface of the moving grinding disc. A rotating column is fixedly installed at the other end of the double-shaft motor, and one end of the rotating column penetrates through the first filter screen and the second filter screen. A scraper is installed on the surface of the rotating column above the first filter screen and the second filter screen. Spiral elevators are arranged on both sides of the grinding box, and a discharge pipe and a feed pipe are respectively arranged at the upper end and the lower end of one side surface of the spiral elevator.

[0011] Preferably, there are multiple feed pipes, and the multiple feed pipes are distributed in pairs on both sides of the first filter screen and the second filter screen.

[0012] Preferably, a discharge pipe is opened on the bottom surface of the grinding box, and a valve is installed on the surface of the discharge pipe.

[0013] Preferably, the first filter screen and the second filter screen are made of the same material, and both the first filter screen and the second filter screen are hollow conical structures.

[0014] Preferably, one end of the discharge pipe extends into the feeding hopper.

[0015] Preferably, there are two scrapers in total, and the surfaces of the two scrapers are respectively attached to the surfaces of the first filter screen and the second filter screen.

[0016] Preferably, the center of the feeding pipe is on the same straight line as the center of the fixed grinding disc.

[0017] Preferably, a control panel is fixedly installed on the outer wall of the grinding box, and the control panel is electrically connected to the spiral elevator, the double-shaft motor, and the power motor installed at one end of the grinding roller through wires.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] 1. In the present utility model, by providing a dual-axis motor and a scraper, the dual-axis motor drives the scraper to rotate, which can stir the raw materials of the water treatment agent on the first filter screen and the second filter screen, preventing the raw materials of the water treatment agent from blocking the first filter screen and the second filter screen, ensuring the filtering effect and efficiency of the first filter screen and the second filter screen. Secondly, the raw materials of the water treatment agent that do not meet the grinding requirements enter the screw elevator through the feed pipe and finally return to the grinding box for secondary grinding.

[0020] 2. In the present utility model, by providing a dust-proof structure, when the poured raw materials of the water treatment agent pass through the dust-proof plate, the balance of the dust-proof plate will be broken, and the dust-proof plate will perform an arc-shaped movement. At this time, the spring is compressed and deformed, and then the raw materials of the water treatment agent will enter the inside of the grinding box. Then, under the restoring action of the spring, the dust-proof plate will return to the balanced state again, blocking the feed port of the grinding box, so as to prevent dust from flying during the grinding process of the raw materials of the water treatment agent and not pollute the surrounding working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 It is a schematic structural diagram of a raw material grinding device for chemical production proposed by the present utility model;

[0023] Figure 2 It is a connection schematic diagram of the first filter screen, the second filter screen and the scraper;

[0024] Figure 3 It is a schematic structural diagram of the dust-proof structure;

[0025] Figure 4 For Figure 1 front view.

[0026] Legend:

[0027] 1. Grinding box; 2. Feed hopper; 3. Dust-proof structure; 31. Hinge; 32. Dust-proof plate; 33. Central rod; 34. Telescopic rod; 35. Spring; 4. Grinding roller; 5. Discharge pipe; 6. Fixed grinding disc; 7. Dual-axis motor; 8. Moving grinding disc; 9. First filter screen; 10. Second filter screen; 11. Scraper; 12. Feed pipe; 13. Screw elevator; 14. Discharge pipe; 15. Discharge pipe; 16. Control panel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0029] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] Please refer to Figures 1-4 , a raw material grinding device for chemical production, including a grinding box 1 and a dust-proof structure 3. Inside the grinding box 1, a grinding roller 4, a feeding pipe 5, a fixed grinding disc 6, a moving grinding disc 8, a double-shaft motor 7, a first filter screen 9 and a second filter screen 10 are sequentially arranged from top to bottom. On the top surface of the grinding box 1, a feeding hopper 2 is fixedly installed, and a dust-proof structure 3 is installed inside the feeding hopper 2;

[0031] The dust-proof structure 3 is composed of a hinge 31, a dust-proof plate 32, a central rod 33, a telescopic rod 34 and a spring 35. The dust-proof plate 32 is hinged to the inner wall of the feed hopper 2 through the hinge 31. A telescopic rod 34 is arranged below the dust-proof plate 32, and both ends of the telescopic rod 34 are rotatably connected to the bottom surface of the dust-proof plate 32 and the inner wall of the feed hopper 2 through the central rod 33 respectively. A spring 35 is sleeved outside the telescopic rod 34. When the poured water treatment chemical raw material passes through the dust-proof plate 32, the balance of the dust-proof plate 32 will be broken, and the dust-proof plate 32 will perform an arc-shaped movement. At this time, the spring 35 is compressed and deformed, and then the water treatment chemical raw material will enter the inside of the grinding box 1. Then, under the restoring action of the spring 35, the dust-proof plate 32 will return to the balanced state again, blocking the feed port of the grinding box 1, so as to prevent dust from flying during the grinding process of the water treatment chemical raw material and avoid polluting the surrounding working environment.

[0032] One end of the double-shaft motor 7 is fixedly connected to the bottom surface of the moving grinding disc 8. A rotating column is fixedly installed at the other end of the double-shaft motor 7, and one end of the rotating column penetrates through the first filter screen 9 and the second filter screen 10. A scraper 11 is installed on the surface of the rotating column above the first filter screen 9 and the second filter screen 10. Spiral elevators 13 are arranged on both sides of the grinding box 1, and a discharge pipe 14 and a feed pipe 12 are respectively arranged at the upper and lower ends of one side surface of the spiral elevator 13. By starting the power motor and the double-shaft motor 7 through the control panel 16, the driving end of the power motor rotates and drives one of the two grinding rollers 4 to rotate. The double-shaft motor 7 starts and drives the moving grinding disc 8 to rotate. The staff imports the sewage treatment chemical from the feed hopper 2 into the grinding box 1. At this time, the sewage treatment chemical is preliminarily crushed under the extrusion of the two grinding rollers 4. The crushed sewage treatment chemical enters the feeding pipe 5, and the initially crushed sewage treatment chemical is introduced into the input end of the fixed grinding disc 6 through the feeding pipe 5. At this time, the initially crushed sewage treatment chemical is ground under the action of the fixed grinding disc 6 and the moving grinding disc 8. The ground sewage treatment chemical is discharged through the gap between the fixed grinding disc 6 and the moving grinding disc 8, and is filtered through the first filter screen 9 and the second filter screen 10. The filtered sewage treatment chemical falls to the discharge pipe 15 and is discharged. During the filtering process, the double-shaft motor 7 drives the scraper 11 to rotate, which can stir the water treatment chemical raw materials on the first filter screen 9 and the second filter screen 10, avoid the water treatment chemical raw materials from blocking the first filter screen 9 and the second filter screen 10, and ensure the filtering effect and efficiency of the first filter screen 9 and the second filter screen 10. Secondly, the water treatment chemical raw materials that do not meet the grinding requirements enter the spiral elevator 13 through the feed pipe 12 and finally return to the grinding box 1 for secondary grinding. It should be noted that the water treatment chemical raw materials are common chemicals and will not be elaborated here.

[0033] In this implementation scheme: There are multiple feed pipes 12, and the multiple feed pipes 12 are distributed in pairs on both sides of the first filter screen 9 and the second filter screen 10.

[0034] Specifically, it is ensured that the raw materials of the water treatment agent that do not meet the requirements can smoothly enter the screw elevator 13.

[0035] In this embodiment: a discharge pipe 15 is opened on the bottom surface of the grinding box 1, and a valve is installed on the surface of the discharge pipe 15.

[0036] Specifically, the opening and closing of the discharge pipe 15 can be controlled.

[0037] In this embodiment: the first filter screen 9 and the second filter screen 10 are made of the same material, and both the first filter screen 9 and the second filter screen 10 are hollow conical structures.

[0038] Specifically, the filtering effects of the first filter screen 9 and the second filter screen 10 are ensured, and the probability of the raw materials of the water treatment agent accumulating on the surface is reduced.

[0039] In this embodiment: one end of the discharge pipe 14 extends into the feed hopper 2.

[0040] Specifically, the raw materials of the water treatment agent that do not meet the grinding requirements can be lifted into the feed hopper 2 for secondary grinding.

[0041] In this embodiment: there are two scraping plates 11 in total, and the surfaces of the two scraping plates 11 are respectively attached to the surfaces of the first filter screen 9 and the second filter screen 10.

[0042] Specifically, the material feeding effect and efficiency are ensured.

[0043] In this embodiment: the center of the lower material pipe 5 and the center of the fixed grinding disc 6 are on the same straight line.

[0044] Specifically, the raw materials of the water treatment agent after preliminary crushing can smoothly fall into the fixed grinding disc 6.

[0045] In this embodiment: a control panel 16 is fixedly installed on the outer wall of the grinding box 1, and the control panel 16 is electrically connected to the screw elevator 13, the double-shaft motor 7, and the power motor installed at one end of the grinding roller 4 through wires.

[0046] Specifically, it is a common control circuit connection structure, and no more details will be described here.

[0047] In this embodiment: the controller is an existing structure, and the control circuit can be realized by simple programming of those skilled in the art, which belongs to the common knowledge in this field. Only its use is carried out without modification, so the control method and circuit connection will not be described in detail.

[0048] Working principle: When in use, pour the raw materials of the water treatment agent into the feed hopper 2. When the raw materials of the water treatment agent pass through the dust-proof plate 32, the balance of the dust-proof plate 32 will be broken, and the dust-proof plate 32 will perform an arc-shaped movement. At this time, the spring 35 is compressed and deformed, and then the raw materials of the water treatment agent will enter the inside of the grinding box 1. Then, under the restoring action of the spring 35, the dust-proof plate 32 will return to the balanced state and block the feed port of the grinding box 1, so as to prevent dust from flying during the grinding process of the raw materials of the water treatment agent and avoid polluting the surrounding working environment. Start the power motor and the double-shaft motor 7 through the control panel 16. The driving end of the power motor rotates and drives one of the two grinding rollers 4 to rotate. The double-shaft motor 7 starts and drives the moving grinding disc 8 to rotate. The staff imports the sewage treatment agent from the feed hopper 2 into the grinding box 1. At this time, the sewage treatment agent is initially crushed under the extrusion of the two grinding rollers 4. The crushed sewage treatment agent enters the discharge pipe 5, and the initially crushed sewage treatment agent is introduced into the input end of the fixed grinding disc 6 through the discharge pipe 5. At this time, the initially crushed sewage treatment agent is ground under the action of the fixed grinding disc 6 and the moving grinding disc 8. The ground sewage treatment agent is discharged through the gap between the fixed grinding disc 6 and the moving grinding disc 8, and is filtered through the first filter screen 9 and the second filter screen 10. The filtered sewage treatment agent falls into the discharge pipe 15 and is discharged. During the filtering process, the double-shaft motor 7 drives the scraper 11 to rotate, which can stir the raw materials of the water treatment agent on the first filter screen 9 and the second filter screen 10, avoid the blockage of the first filter screen 9 and the second filter screen 10 by the raw materials of the water treatment agent, and ensure the filtering effect and efficiency of the first filter screen 9 and the second filter screen 10. Secondly, the raw materials of the water treatment agent that do not meet the grinding requirements enter the screw elevator 13 through the feed pipe 12 and finally return to the grinding box 1 for secondary grinding.

[0049] The above is only the preferred specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A raw material grinding device for chemical production, comprising a grinding box (1) and a dustproof structure (3), characterized in that: The interior of the grinding box (1) is provided with a grinding roller (4), a feeding pipe (5), a fixed grinding disc (6), a movable grinding disc (8), a double-shaft motor (7), a first filter screen (9) and a second filter screen (10) in order from top to bottom; a feed hopper (2) is fixedly mounted on the top surface of the grinding box (1), and a dustproof structure (3) is installed in the feed hopper (2); The dustproof structure (3) is composed of a hinge (31), a dustproof plate (32), a center rod (33), a telescopic rod (34) and a spring (35); the dustproof plate (32) is hinged to the inner wall of the feed hopper (2) through the hinge (31); a telescopic rod (34) is arranged below the dustproof plate (32); and two ends of the telescopic rod (34) are rotatably connected to the bottom surface of the dustproof plate (32) and the inner wall of the feed hopper (2) respectively through the center rod (33); and a spring (35) is sleeved on the outer side of the telescopic rod (34); One end of the dual-axis motor (7) is fixedly connected to the bottom surface of the movable grinding disc (8), and a rotating column is fixedly installed on the other end of the dual-axis motor (7), and one end of the rotating column penetrates the first filter screen (9) and the second filter screen (10). A scraper (11) is installed on the surface of the rotating column located above the first filter screen (9) and the second filter screen (10). Screw elevators (13) are arranged on both sides of the grinding box (1), and a discharge pipe (14) and a feed pipe (12) are respectively arranged on the upper and lower ends of one side surface of the screw elevator (13).

2. A raw material grinding device for chemical production according to claim 1, characterized in that: A plurality of the feed pipes (12) are provided, and the plurality of feed pipes (12) are distributed in pairs on both sides of the first filter screen (9) and the second filter screen (10).

3. A raw material grinding device for chemical production according to claim 1, characterized in that: A discharge pipe (15) is provided on the bottom surface of the grinding box (1), and a valve is installed on the surface of the discharge pipe (15).

4. A raw material grinding device for chemical production according to claim 1, characterized in that: The first filter screen (9) and the second filter screen (10) are made of the same material, and both the first filter screen (9) and the second filter screen (10) are hollow conical structures.

5. A raw material grinding device for chemical production according to claim 1, characterized in that: One end of the discharge pipe (14) extends into the feed hopper (2).

6. A raw material grinding device for chemical production according to claim 1, characterized in that: Two scrapers (11) are provided in total, and the surfaces of the two scrapers (11) are respectively in contact with the surfaces of the first filter screen (9) and the second filter screen (10).

7. A raw material grinding device for chemical production according to claim 1, characterized in that: The center of the circle of the feeding tube (5) and the center of the circle of the fixed grinding disc (6) are on the same straight line.

8. A raw material grinding device for chemical production according to claim 1, characterized in that: A control panel (16) is fixedly mounted on the outer wall of the grinding box (1), and the control panel (16) is electrically connected to the screw elevator (13), the dual-axis motor (7) and the power motor mounted on one end of the grinding roller (4) through wires.

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