Raw material automatic proportioning and mixing device for activated bauxite production
By combining a static mixing pipe and a spiral elevator, the automatic proportioning and rapid uniform mixing of active bauxite raw materials are achieved, solving the problems of low automation and high power consumption in existing equipment, and improving mixing efficiency and energy saving effect.
Patent Information
- Application Number
- CN202422581854.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-25
AI Technical Summary
The existing raw material mixing devices for active bauxite production have a low degree of automation, low mixing efficiency, and consume a large amount of electricity resources.
The mixing device, which combines a static mixing tube and a spiral elevator, achieves automatic proportioning of raw materials through a powder flow meter and controller. The mixing unit enables rapid and uniform mixing and allows the mixed raw materials to be recycled to improve the mixing effect.
It improves automation and work efficiency, achieves uniform mixing without prolonged stirring, saves electricity, and enhances mixing efficiency and product quality.
Smart Images
Figure CN223464779U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of xxx, in particular to an automatic proportioning and mixing device for raw materials used in the production of activated bauxite. Background Art
[0002] Activated bauxite is widely used in metallurgy, chemical industry, environmental protection and other fields due to its excellent physical and chemical properties. The production process of bauxite generally includes steps such as beneficiation, crushing, grinding, mixing, molding, and calcination. During the mixing stage, different raw materials need to be mixed evenly in a certain proportion to ensure that the subsequent molding process can proceed smoothly. Most of the existing raw material mixing devices for activated bauxite production do not have automatic proportioning functions, have a low degree of automation, and have low work efficiency. They usually use stirring and other methods for mixing, which has low mixing efficiency and consumes a large amount of electricity resources. Utility Model Content
[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide an automatic proportioning and mixing device for raw materials for the production of activated bauxite, which does not require manual proportioning in advance, greatly improves the degree of automation and work efficiency, and can achieve rapid and uniform mixing without the need for long-term stirring, thereby improving the mixing efficiency. At the same time, the mixing process does not require the consumption of electricity resources, etc., which is beneficial to energy conservation and environmental protection, and can effectively solve the problems in the background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic proportioning and mixing device for raw materials for the production of activated bauxite, comprising a vertically arranged static mixing tube, wherein a plurality of mixing units are evenly arranged in the static mixing tube from top to bottom, the top end of the static mixing tube is connected to the feed hopper through a connecting flange, the feed hopper is in the shape of a cone with a top surface diameter larger than a bottom surface diameter, at least two feed pipes are provided on the upper surface of the feed hopper, the feed pipes are connected to an external feeding device, and a powder flow meter and a feed valve are sequentially provided on the feed pipes from top to bottom, an inclined discharge pipe is provided on the bottom side surface of the static mixing tube, a down pipe is provided on the lower side of one end of the discharge pipe away from the static mixing tube, and a down valve is installed on the down pipe; the discharge pipe is connected to a return device, an inclined return pipe is provided on the top side surface of the return device, and the bottom end of the return pipe is connected to the feed hopper.
[0005] As an optimal technical solution of the present invention, a spiral elevator is vertically rotated in the return device, a feed port corresponding to the discharge pipe is opened on the lower part of the side surface of the return device, a feed port is set at the bottom end of the spiral elevator, and the top end of the spiral elevator is set on the upper side of the return pipe.
[0006] As a preferred technical scheme of the utility model, the top end upper surface of the material returning device is fixedly provided with a motor frame, a driving motor is installed on the motor frame, the output shaft of the driving motor passes through the motor frame and is connected with the driving pulley, a driven pulley is further arranged at the top center of the material returning device, the rotating shaft of the spiral elevator passes through the top end of the material returning device and is connected with the shaft hole of the driven pulley, and a belt is arranged between the driving pulley and the driven pulley.
[0007] As a preferred technical scheme of the utility model, the upper portion of the feeding port is provided with a baffle groove, a baffle is slidably arranged in the baffle groove, the side surface of the material returning device is provided with a handle groove connected with the baffle groove, and a handle fixedly connected with the baffle is slidably arranged in the handle groove.
[0008] As a preferred technical scheme of the utility model, the lower surface of the static mixing pipe is uniformly provided with a plurality of support seats.
[0009] Compared with the prior art, the utility model has the beneficial effects that: the external feeding equipment is used to put the active bauxite raw materials needing to be mixed into each feeding pipe, the active bauxite raw materials are measured by the powder flow meter and are conveyed into the external control box, the control box automatically controls the opening and closing of the feeding valve, so that automatic proportioning is realized, manual proportioning in advance is not needed, the degree of automation and work efficiency are greatly improved; the active bauxite raw materials after automatic proportioning enter the static mixing pipe through the feeding hopper and pass through the mixing unit, so that uniform mixing without long time stirring can be realized, the mixing efficiency is improved, the mixing process does not need to consume electric power resources and the like, and is favorable for energy saving and environmental protection; the mixed raw materials can be discharged through the discharge pipe and the discharging pipe for subsequent steps such as molding and calcination, or can enter the material returning device through the discharge pipe, return to the feeding hopper through the material returning pipe, enter the static mixing pipe again for mixing, so that the mixing effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 It is a structural schematic view of the utility model;
[0011] Fig. 2 It is an enlarged view of the structure at A of the utility model.
[0012] In the drawing: 1 static mixing pipe, 2 support seat, 3 mixing unit, 4 connecting flange, 5 feeding hopper, 6 feeding pipe, 7 powder flow meter, 8 discharge pipe, 9 discharging pipe, 10 discharging valve, 11 material returning device, 12 motor frame, 13 driving motor, 14 driving pulley, 15 belt, 16 spiral elevator, 17 material returning pipe, 18 feeding port, 19 baffle, 20 baffle groove, 21 handle, 22 feeding valve. DETAILED DESCRIPTION
[0013] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0014] Please refer to Figs. 1-2 The present application provides a technical scheme: an automatic raw material proportioning and mixing device for active bauxite production, comprising a vertically arranged static mixing pipe 1, a plurality of mixing units 3 are uniformly arranged in the static mixing pipe 1 from top to bottom, the mixing unit 3 can adopt a commonly used SK type static mixer unit or a powdery static mixer unit or other types of mixing units in the prior art, the top end of the static mixing pipe 1 is connected with a feeding hopper 5 through a connecting flange 4, the feeding hopper 5 is in the shape of a circular truncated cone with a top surface diameter larger than a bottom surface diameter, at least two feeding pipes 6 are arranged on the upper surface of the feeding hopper 5, the feeding pipes 6 are in communication with external feeding equipment, and a powder flow meter 7 and a feeding valve 22 are sequentially arranged on the feeding pipes 6 from top to bottom, the powder flow meter 7 and the feeding valve 22 are electrically connected with a controller in an external control box, the controller can be a commonly used PLC controller or a single-chip microcomputer, and the controller can be preprogrammed according to production needs to automatically control the opening and closing of the feeding valve 22 to achieve automatic proportioning, the active bauxite raw materials to be mixed are fed into the feeding pipes 6 through external feeding equipment, the active bauxite raw materials are measured by the powder flow meter 7, the powder flow meter 7 detects the flow value and transmits a corresponding signal to the controller in the external control box, and the controller automatically controls the opening and closing of the feeding valve 22, thereby achieving automatic proportioning without manual proportioning in advance, and greatly improving the degree of automation and work efficiency.
[0015] The active bauxite raw materials after automatic proportioning enter the static mixing pipe 1 through the feeding hopper 5 and pass through the mixing units 3, so that uniform mixing can be achieved quickly without long-time stirring, the mixing efficiency is improved, and the mixing process does not consume power resources, which is conducive to energy saving and environmental protection.
[0016] An inclined discharge pipe 8 is arranged on the bottom side surface of the static mixing pipe 1, a discharge pipe 9 is arranged on the lower side of the end of the discharge pipe 8 away from the static mixing pipe 1, and a discharge valve 10 is installed on the discharge pipe 9, the discharge valve 10 and the feeding valve 22 both adopt commonly used electromagnetic valves and are electrically connected with the controller, and the mixed raw materials can be discharged through the discharge pipe 8 and the discharge pipe 9 for subsequent steps such as molding and calcination.
[0017] The discharge pipe 8 is communicated with the material returning device 11, and the top end side surface of the material returning device 11 is provided with an inclined material returning pipe 17, the bottom end of the material returning pipe 17 is communicated with the feeding hopper 5, and the mixed raw materials can also enter the material returning device 11 through the discharge pipe 8, and then return to the feeding hopper 5 through the material returning pipe 17, and then enter the static mixing pipe 1 again to be mixed again, so that the mixing effect is improved.
[0018] Preferably, the lower surface of the static mixing pipe 1 is uniformly provided with a plurality of support seats 2 for supporting the static mixing pipe 1, so that the lower discharge pipe 8 of the static mixing pipe 1 can be inclined to the bottom of the material returning device 11.
[0019] Preferably, the material returning device 11 is vertically rotatably provided with a spiral elevator 16, the lower part of the side surface of the material returning device 11 is provided with a feeding port 18 corresponding to the discharge pipe 8, the bottom end of the spiral elevator 16 is provided with the feeding port 18, the top end of the spiral elevator 16 is provided on the upper side of the material returning pipe 17, and the mixed raw materials entering the material returning device 11 through the feeding pipe 8 are lifted to the top end through the rotation of the spiral elevator 16, and then returned to the feeding hopper 5 from the material returning pipe 17, and then mixed again in the mixing unit 3 of the static mixing pipe 1, so that the raw materials can be mixed multiple times according to the types of raw materials and production requirements, and the use flexibility is improved.
[0020] Further preferably, the top end upper surface of the material returning device 11 is fixedly provided with a motor bracket 12, a driving motor 13 is installed on the motor bracket 12, the output shaft of the driving motor 13 penetrates through the motor bracket 12 and is connected with a driving pulley 14, a driven pulley is also provided at the center of the top end of the material returning device 11, the rotating shaft of the spiral elevator 16 penetrates through the top end of the material returning device 11 and is connected with the shaft hole of the driven pulley, a belt 15 is provided between the driving pulley 14 and the driven pulley, the driving motor 13 is electrically connected with a controller, the driving motor 13 drives the belt 15 to rotate through the driving pulley 14, the belt 15 drives the spiral elevator 16 to rotate through the driven pulley, so that the raw materials at the bottom are lifted to the upper part and fed into the feeding pipe 17.
[0021] Preferably, the upper part of the feeding port 18 is provided with a baffle groove 20, and a baffle 19 is slidably arranged in the baffle groove 20, the baffle 19 can block the feeding port 18, so as to close the passage between the feeding pipe 8 and the material returning device 11, when the baffle 19 is lowered, the baffle 19 is opened when the baffle 19 is opened, so that the raw materials enter the material returning device 11 to be mixed.
[0022] Further preferably, the side surface of the material returning device 11 is provided with a handle slot connected with the baffle slot 20, and the handle 21 fixedly connected with the baffle 19 is slidably arranged in the handle slot, so that the baffle 19 can be conveniently lifted by the handle 21, and the operation is simple and convenient; the baffle 19 can also be driven to automatically lift by a driving device such as an electric push rod, a hydraulic cylinder or the like.
[0023] After one-time mixing, the discharging valve 10 on the discharging pipe 9 can be opened to discharge part of the mixed raw materials, and a worker can detect whether the mixing reaches the production requirement; if the mixing reaches the production requirement, the batch of mixed raw materials can be discharged and transported to the next process; if the mixing does not reach the production requirement, the baffle 19 can be opened to send the raw materials into the material returning device 11, and the material returning device 11 sends the raw materials back into the static mixing pipe 1 for secondary mixing, so as to ensure the quality of the final product.
[0024] Optionally, the handle slot is not communicated with the feeding port 18, so that the feeding port 18 is completely blocked when the baffle 19 moves to the lowermost part.
[0025] The un-disclosed parts in the utility model are all prior arts, and the specific structure, material and working principle are not described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An automatic proportioning and mixing device for raw materials for active bauxite production, comprising a vertically arranged static mixing tube (1), characterized in that: The static mixing pipe (1) is uniformly provided with a plurality of mixing units (3) from top to bottom, the top end of the static mixing pipe (1) is connected with the feeding hopper (5) through the connecting flange (4), the feeding hopper (5) is a circular truncated cone with a top diameter larger than a bottom diameter, the upper surface of the feeding hopper (5) is provided with at least two feeding pipes (6), the feeding pipes (6) are communicated with external feeding equipment, and the feeding pipes (6) are sequentially provided with the powder flow meter (7) and the feeding valve (22) from top to bottom, the bottom side surface of the static mixing pipe (1) is provided with an inclined discharge pipe (8), the lower side of the end of the discharge pipe (8) away from the static mixing pipe (1) is provided with a discharging pipe (9), and the discharging pipe (9) is provided with the discharging valve (10); the discharge pipe (8) is communicated with the return device (11), and the top side surface of the return device (11) is provided with an inclined return pipe (17), and the bottom end of the return pipe (17) is communicated with the feeding hopper (5).
2. The automatic proportioning and mixing device for raw materials for active bauxite production according to claim 1, characterized in that: The return device (11) is vertically provided with a spiral elevator (16), the side surface of the return device (11) is provided with a feeding port (18) corresponding to the discharge pipe (8), the bottom end of the spiral elevator (16) is provided with the feeding port (18), and the top end of the spiral elevator (16) is provided on the upper side of the return pipe (17).
3. The automatic proportioning and mixing device for raw materials for producing active bauxite according to claim 2, characterized in that: The top surface of the top end of the return device (11) is fixedly provided with a motor bracket (12), the driving motor (13) is installed on the motor bracket (12), the output shaft of the driving motor (13) penetrates through the motor bracket (12) and is connected with the driving pulley (14), and the top center of the return device (11) is also provided with a driven pulley, the rotating shaft of the spiral elevator (16) penetrates through the top end of the return device (11) and is connected with the shaft hole of the driven pulley, and the driving pulley (14) and the driven pulley are provided with the belt (15) therebetween.
4. The automatic proportioning and mixing device for raw materials for producing active bauxite according to claim 2, characterized in that: The upper part of the feeding port (18) is provided with a baffle groove (20), and the baffle groove (20) is slidably provided with a baffle (19), and the side surface of the return device (11) is provided with a handle groove connected with the baffle groove (20), and the handle groove is slidably provided with a handle (21) fixedly connected with the baffle (19).
5. The automatic proportioning and mixing device for raw materials used in the production of activated bauxite according to claim 1, characterized in that: The lower surface of the static mixing pipe (1) is uniformly provided with a plurality of supporting seats (2).