Mineral powder accurate metering equipment for green Portland cement production
By introducing screening and mixing mechanisms into silicate cement production equipment, the problem of batching agglomeration was solved, and accurate metering and mixing of mineral powder were achieved, thereby improving production efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-14
AI Technical Summary
In existing technologies, the batching process of silicate cement is prone to clumping, which leads to inaccurate weighing and affects subsequent mixing.
A screening mechanism was designed, which includes components such as a filter screen, a cylinder, a servo motor, and a stirring rod. The filter screen prevents agglomeration, the servo motor drives the stirring rod and the baffle rod to prevent mineral powder from agglomerating, and the heating wire prevents excessive humidity. Combined with a weight sensor and a humidity sensor, accurate measurement is achieved.
It effectively prevents mineral powder from caking, improves weighing accuracy and mixing efficiency, and ensures the smooth progress of subsequent processes.
Smart Images
Figure CN224122027U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a precise mineral powder metering device for the production of green silicate cement, and belongs to the field of silicate cement technology. Background Technology
[0002] Portland cement is a hydraulic cementitious material made by grinding silicate cement clinker, which is mainly composed of calcium silicate, less than 5% limestone or granulated blast furnace slag, and an appropriate amount of gypsum. It is internationally known as Portland cement. There are two types of Portland cement: Type I Portland cement, which does not contain any admixtures, is designated as P·I; Type II Portland cement, which contains no more than 5% limestone or granulated blast furnace slag as admixtures, is designated as P·II.
[0003] Chinese Patent (Publication No.: CN 214819716 U) discloses a batching and metering device for cement production. A mixing and batching cylinder is slidably inserted into the lower middle section of the weighing hopper, and two feeding funnels are symmetrically inserted into the upper two ends of the weighing hopper. A discharge pipe is fixed to the bottom of the mixing and batching cylinder. Two raw material frames are symmetrically fixed to the upper ends of the inner side of the weighing hopper. A tilting plate is rotatably connected to the lower side of each of the two motor bevel gears. This utility model features a novel design and ingenious structure. Through the mixing and batching mechanism, cement raw materials can be mixed and stirred, ensuring thorough mixing. This not only reduces the difficulty of manual operation but also improves batching efficiency and quality. Automatic weighing of the raw materials using two pressure sensors improves metering accuracy while further reducing the difficulty of manual operation.
[0004] The aforementioned patent lacks a device for sieving the ingredients. During the weighing and metering process, the ingredients are prone to clumping due to prolonged storage or factors such as temperature and humidity. These clumped ingredients will be weighed together, which is not conducive to subsequent mixing.
[0005] To address this, a precise mineral powder metering device for green silicate cement production is proposed. Utility Model Content
[0006] In view of this, the present invention provides a precise metering device for mineral powder in the production of green silicate cement, so as to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.
[0007] The technical solution of this utility model is implemented as follows: a precise metering device for mineral powder in green silicate cement production includes an outer shell, an inner shell fixedly connected to the inner cavity of the outer shell, a screening mechanism provided in the inner cavity of the inner shell, the screening mechanism including a filter screen and a cylinder, the filter screen being disposed in the inner cavity of the inner shell and being inclined, the cylinder being fixedly connected to the left side of the outer shell through a connecting pipe, a first servo motor being fixedly connected to the top of the cylinder, a first rotating rod being fixedly connected to the output end of the first servo motor, a spiral blade being fixedly connected to the outer surface of the first rotating rod, and the filter screen and the inner cavity of the inner shell being connected through a connecting pipe.
[0008] More preferably, a second servo motor is fixedly connected to the top of the outer shell, a second rotating rod is fixedly connected to the output end of the second servo motor, and multiple equidistant and identical stirring rods are fixedly connected to both the left and right sides of the outer surface of the second rotating rod.
[0009] More preferably, a baffle rod is fixedly connected to both the left and right sides of the top of the inner cavity of the outer shell and to the inner side of the inner shell. Multiple baffle bars of the same size and equidistant distribution are fixedly connected to the inner side of each baffle rod, and the baffle bars and the stirring bars are staggered.
[0010] More preferably, a vibration block is fixedly connected to the bottom of the filter screen, and limit blocks are fixedly connected to both the front and rear sides of the inner cavity of the inner shell, and the filter screen is slidably connected to the inner side of the limit blocks.
[0011] More preferably, the inner cavity of the inner shell and below the filter screen is fixedly connected to a discharge port, the bottom of the discharge port is connected to a discharge pipe, and the outer surface of the discharge pipe is provided with a solenoid valve.
[0012] More preferably, a heating wire is fixedly connected to the inner cavity of the outer shell, and the heating wire is in contact with the outer surface of the inner shell.
[0013] More preferably, a first connecting block is fixedly connected to the right side of the bottom of the outer casing, a third servo motor is fixedly connected to the front side of the first connecting block, a first swing rod is fixedly connected to the output end of the third servo motor, and the first swing rod is movably connected to the inner side of the first connecting block. A second swing rod is movably connected to the left side of the inner side of the first connecting block via a rotating shaft. A discharge trough is provided at the bottom of the outer casing, and a discharge gate is provided on the inner side of the discharge trough. A second connecting block is fixedly connected to the bottom of the discharge gate. A third swing rod is movably connected to both the front and rear sides of the right side of the second connecting block via a rotating shaft. The other end of the third swing rod is movably connected to the outer side of the first swing rod via a rotating shaft, and the middle end of the third swing rod is movably connected to the middle end of the second swing rod via a rotating shaft. A fourth swing rod is movably connected to both the front and rear sides of the left side of the second connecting block via a rotating shaft, and the other end of the fourth swing rod is movably connected to the outer side of the second swing rod via a rotating shaft.
[0014] More preferably, a weight sensor is fixedly connected to the top of the discharge door, a humidity sensor is fixedly connected to the right side of the inner cavity of the inner shell, and a controller is fixedly connected to the right side of the top of the outer shell, and the output terminals of the weight sensor and the humidity sensor are both electrically connected to the input terminal of the controller.
[0015] The present invention has the following advantages due to the adoption of the above technical solution:
[0016] I. This utility model, by setting up a screening mechanism and a filter screen, can screen the mineral powder entering the inner cavity of the shell, which can prevent these agglomerated mineral powders from being weighed together, which is beneficial to the subsequent weighing work. Furthermore, by setting up a cylinder, a first servo motor, a first rotating rod, and spiral blades, these agglomerated mineral powders can also be discharged and put back into the inner cavity of the shell for reuse.
[0017] II. This utility model, by setting a second servo motor, a second rotating rod, and a stirring rod, can stir the mineral powder entering the inner cavity of the inner shell, preventing the mineral powder from agglomerating. By setting a baffle rod and a baffle bar, a baffle effect can be activated to prevent the mineral powder from always being stirred in one direction and forming inertia, which can further improve the stirring ability of the mineral powder. By setting a vibrating block and a limiting block, the filter screen can be driven to slide inside the limiting block, thereby increasing the filtration capacity of the filter screen and preventing the mineral powder from clogging the limiting block. By setting a discharge port, a discharge pipe, and a solenoid valve, the discharge of the stirred mineral powder can be controlled. By setting a heating wire, the mineral powder in the inner cavity of the inner shell can be heated to prevent the moisture content of the mineral powder from being too high and causing agglomeration. By setting a first connecting block and a third... The servo motor, first swing arm, second swing arm, second connecting block, third swing arm, and fourth swing arm can rotate through the output of the third servo motor to drive the first swing arm to rotate. The first swing arm drives the third swing arm to swing through the action of the rotating shaft. The third swing arm drives the second swing arm to swing through the action of the rotating shaft. The second swing arm drives the fourth swing arm to swing through the action of the rotating shaft. During the swinging process, the fourth and third swing arms drive the second connecting block and the discharge gate to swing, thereby realizing the function of feeding mineral powder. By setting a weight sensor, the mineral powder can be weighed and the data can be transmitted to the controller. By setting a humidity sensor, the humidity in the inner cavity of the inner shell can be detected and the result can be transmitted to the controller for timely notification.
[0018] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the front view of the main body structure of this utility model;
[0021] Figure 2 This is a schematic cross-sectional view of the outer shell of this utility model;
[0022] Figure 3 This is a schematic cross-sectional view of the inner shell structure of this utility model;
[0023] Figure 4This is a schematic diagram of the cylindrical cross-sectional structure of this utility model;
[0024] Figure 5 This is a schematic diagram of the filter screen of this utility model in its disassembled state;
[0025] Figure 6 This is a structural diagram of the discharge gate of this utility model in its disassembled state.
[0026] Reference numerals: 1. Outer shell; 2. Inner shell; 3. Screening mechanism; 301. Filter screen; 302. Cylinder; 303. First servo motor; 304. First rotating rod; 305. Spiral blade; 4. Second servo motor; 5. Second rotating rod; 6. Stirring rod; 7. Turbulence rod; 8. Turbulence rod; 9. Vibrating block; 10. Limiting block; 11. Discharge port; 12. Discharge pipe; 13. Solenoid valve; 14. Heating wire; 15. First connecting block; 16. Third servo motor; 17. First swing rod; 18. Second swing rod; 19. Discharge gate; 20. Second connecting block; 21. Third swing rod; 22. Fourth swing rod; 23. Weight sensor; 24. Humidity sensor; 25. Controller. Detailed Implementation
[0027] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.
[0028] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0029] Example 1
[0030] like Figure 1 , Figure 3 and Figure 4 As shown, this utility model embodiment provides a precise metering device for mineral powder in green silicate cement production, including an outer shell 1, an inner shell 2 fixedly connected to the inner cavity of the outer shell 1, a screening mechanism 3 provided in the inner cavity of the inner shell 2, the screening mechanism 3 including a filter screen 301 and a cylinder 302, the filter screen 301 is disposed in the inner cavity of the inner shell 2 and the filter screen 301 is inclined, the cylinder 302 is fixedly connected to the left side of the outer shell 1 through a connecting pipe, a first servo motor 303 is fixedly connected to the top of the cylinder 302, a first rotating rod 304 is fixedly connected to the output end of the first servo motor 303, a spiral blade 305 is fixedly connected to the outer surface of the first rotating rod 304, and the filter screen 301 and the inner cavity of the inner shell 2 are connected through a connecting pipe.
[0031] By setting up a screening mechanism 3 and a filter screen 301, the mineral powder entering the inner cavity of the inner shell 2 can be screened, which can prevent these agglomerated mineral powders from being weighed together, which is beneficial to the subsequent weighing work. Furthermore, by setting up a cylinder 302, a first servo motor 303, a first rotating rod 304, and a spiral blade 305, these agglomerated mineral powders can be discharged and put back into the inner cavity of the inner shell 2 for reuse.
[0032] Example 2
[0033] like Figure 2 , Figure 3 and Figure 6 As shown, in one embodiment, a second servo motor 4 is fixedly connected to the top of the outer shell 1, and a second rotating rod 5 is fixedly connected to the output end of the second servo motor 4. Multiple equidistant and identical stirring rods 6 are fixedly connected to the left and right sides of the outer surface of the second rotating rod 5. A turbulence-distributing rod 7 is fixedly connected to the left and right sides of the top of the inner cavity of the outer shell 1, located inside the inner shell 2. Multiple equidistant and identical turbulence-distributing rods 8 are fixedly connected to the inner side of each turbulence-distributing rod 7, and the turbulence-distributing rods 8 and stirring rods 6 are staggered. A vibration block 9 is fixedly connected to the bottom of the filter screen 301. Limiting blocks 10 are fixedly connected to both the front and rear sides of the inner cavity 2, and the filter screen 301 is slidably connected to the inner side of the limiting blocks 10. An outlet 11 is fixedly connected to the inner cavity of the inner shell 2 below the filter screen 301. An outlet pipe 12 is connected to the bottom of the outlet 11, and a solenoid valve 13 is provided on the outer surface of the outlet pipe 12. A heating wire 14 is fixedly connected to the inner cavity of the outer shell 1, and the heating wire 14 is in contact with the outer surface of the inner shell 2. A first connecting block 15 is fixedly connected to the right side of the bottom of the outer shell 1, and a third servo motor 16 is fixedly connected to the front side of the first connecting block 15. A first swing rod 17 is fixedly connected to the output end of motor 16, and the first swing rod 17 is movably connected to the inner side of the first connecting block 15. A second swing rod 18 is movably connected to the left side of the inner side of the first connecting block 15 via a rotating shaft. A discharge chute is provided at the bottom of the outer casing 1, and a discharge gate 19 is provided inside the discharge chute. A second connecting block 20 is fixedly connected to the bottom of the discharge gate 19. A third swing rod 21 is movably connected to both the front and rear sides of the right side of the second connecting block 20 via rotating shafts. The other end of the third swing rod 21 is movably connected to the outer side of the first swing rod 17 via a rotating shaft. The middle end of the third swing rod 21 is movably connected to the middle end of the second swing rod 18 via a rotating shaft. The front and rear sides of the left side of the second connecting block 20 are movably connected to the fourth swing rod 22 via rotating shafts, and the other end of the fourth swing rod 22 is movably connected to the outer side of the second swing rod 18 via a rotating shaft. The top of the discharge gate 19 is fixedly connected to the weight sensor 23, the right side of the inner cavity of the inner shell 2 is fixedly connected to the humidity sensor 24, and the top right side of the outer shell 1 is fixedly connected to the controller 25. The output ends of the weight sensor 23 and the humidity sensor 24 are both electrically connected to the input end of the controller 25.
[0034] By setting a second servo motor 4, a second rotating rod 5, and a stirring rod 6, the mineral powder entering the inner cavity of the inner shell 2 can be stirred to prevent the mineral powder from agglomerating. By setting a turbulence rod 7 and a turbulence rod 8, the turbulence effect can be activated to prevent the mineral powder from always being stirred in one direction and forming inertia, which can further improve the stirring ability of the mineral powder. By setting a vibration block 9 and a limiting block 10, the filter screen 301 can be driven to slide inside the limiting block 10, thereby increasing the filtration capacity of the filter screen 301 and preventing the mineral powder from clogging the limiting block 10. By setting a discharge port 11, a discharge pipe 12, and a solenoid valve 13, the discharge of the stirred mineral powder can be controlled. By setting a heating wire 14, the mineral powder in the inner cavity of the inner shell 2 can be heated to prevent the moisture content of the mineral powder from being too high and causing agglomeration. By setting a first connecting block 15, a third servo motor 16, and a first oscillating... The first swing rod 17, the second swing rod 18, the second connecting block 20, the third swing rod 21, and the fourth swing rod 22 can be driven by the output of the third servo motor 16 to rotate. The first swing rod 17 drives the third swing rod 21 to swing through the action of the rotating shaft. The third swing rod 21 drives the second swing rod 18 to swing through the action of the rotating shaft. The second swing rod 18 drives the fourth swing rod 22 to swing through the action of the rotating shaft. During the swinging process, the fourth swing rod 22 and the third swing rod 21 drive the second connecting block 20 and the discharge gate 19 to swing, thereby realizing the function of feeding mineral powder. By setting the weight sensor 23, the mineral powder can be weighed and the data can be transmitted to the controller 25. By setting the humidity sensor 24, the humidity in the inner cavity of the inner shell 2 can be detected and the result can be transmitted to the controller 25 for timely notification.
[0035] In operation, this invention works as follows: First, mineral powder is poured into the inner cavity of the inner shell 2. The heating wire 14 is activated to heat the mineral powder, and the second servo motor 4 is activated. The output end of the second servo motor 4 drives the second rotating rod 5 and the stirring rod 6 to rotate. The second rotating rod 5, the stirring rod 6, the turbulence rod 7, and the turbulence rod 8 stir the mineral powder, and the heating wire 14 heats the mineral powder, thereby breaking up any clumps. At this time, the vibrating block 9 drives the filter screen 301 to vibrate, filtering the mineral powder. Mineral powder that can pass smoothly through the filter screen 301 enters the interior of the discharge port 11. Mineral powder that still has clumps enters the interior of the cylinder 302 through the connecting pipe, and then the output end of the first servo motor 303 rotates, driving the first rotating rod 304 and the spiral blades. Rotating the valve at 305 allows the mineral powder to be re-injected into the inner cavity of the inner shell 2 for further stirring until the mineral powder no longer clumps. The mineral powder entering the discharge port 11 can be discharged through the solenoid valve 13, allowing it to fall through the discharge pipe 12 to the top of the weight sensor 23. When the specified weight is reached, the output of the third servo motor 16 rotates, driving the first swing rod 17 to rotate. The first swing rod 17 drives the third swing rod 21 to swing through the shaft. The third swing rod 21 drives the second swing rod 18 to swing through the shaft. The second swing rod 18 drives the fourth swing rod 22 to swing through the shaft. During the swinging process, the fourth swing rod 22 and the third swing rod 21 drive the second connecting block 20 and the discharge gate 19 to swing, thereby realizing the function of discharging mineral powder.
[0036] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. A precise metering device for mineral powder used in the production of green silicate cement, comprising a housing (1), characterized in that: An inner shell (2) is fixedly connected to the inner cavity of the outer shell (1). A screening mechanism (3) is provided in the inner cavity of the inner shell (2). The screening mechanism (3) includes a filter screen (301) and a cylinder (302). The filter screen (301) is located in the inner cavity of the inner shell (2) and is inclined. The cylinder (302) is fixedly connected to the left side of the outer shell (1) through a connecting pipe. A first servo motor (303) is fixedly connected to the top of the cylinder (302). A first rotating rod (304) is fixedly connected to the output end of the first servo motor (303). A spiral blade (305) is fixedly connected to the outer surface of the first rotating rod (304). The filter screen (301) and the inner cavity of the inner shell (2) are connected through a connecting pipe.
2. The precise metering equipment for mineral powder in green silicate cement production according to claim 1, characterized in that: The top of the outer shell (1) is fixedly connected to a second servo motor (4), the output end of the second servo motor (4) is fixedly connected to a second rotating rod (5), and multiple equally spaced and identical stirring rods (6) are fixedly connected to the left and right sides of the outer surface of the second rotating rod (5).
3. The precise metering equipment for mineral powder in green silicate cement production according to claim 2, characterized in that: A turbulence rod (7) is fixedly connected to the top left and right sides of the inner cavity of the outer shell (1) and to the inner side of the inner shell (2). A plurality of equidistant and identical turbulence rods (8) are fixedly connected to the inner side of the turbulence rods (7), and the turbulence rods (8) and the stirring rods (6) are staggered.
4. The precise metering equipment for mineral powder in green silicate cement production according to claim 1, characterized in that: The bottom of the filter screen (301) is fixedly connected to a vibration block (9), and the front and rear sides of the inner cavity of the inner shell (2) are fixedly connected to limit blocks (10), and the filter screen (301) is slidably connected to the inner side of the limit block (10).
5. The precise metering equipment for mineral powder in green silicate cement production according to claim 1, characterized in that: The inner cavity of the inner shell (2) and below the filter screen (301) is fixedly connected to a discharge port (11), the bottom of the discharge port (11) is connected to a discharge pipe (12), and a solenoid valve (13) is provided on the outer surface of the discharge pipe (12).
6. The precise metering equipment for mineral powder in green silicate cement production according to claim 1, characterized in that: A heating wire (14) is fixedly connected in the inner cavity of the outer shell (1), and the heating wire (14) is in contact with the outer surface of the inner shell (2).
7. The precise metering equipment for mineral powder in green silicate cement production according to claim 1, characterized in that: A first connecting block (15) is fixedly connected to the right side of the bottom of the outer shell (1). A third servo motor (16) is fixedly connected to the front side of the first connecting block (15). A first swing rod (17) is fixedly connected to the output end of the third servo motor (16), and the first swing rod (17) is movably connected to the inner side of the first connecting block (15). A second swing rod (18) is movably connected to the left side of the inner side of the first connecting block (15) via a rotating shaft. A discharge trough is provided at the bottom of the outer shell (1), and a discharge door (19) is provided on the inner side of the discharge trough. The bottom of the discharge door (19) is fixedly connected to... There is a second connecting block (20). The front and rear sides of the right side of the second connecting block (20) are movably connected to a third swing rod (21) via a pivot. The other end of the third swing rod (21) is movably connected to the outer side of the first swing rod (17) via a pivot. The middle end of the third swing rod (21) is movably connected to the middle end of the second swing rod (18) via a pivot. The front and rear sides of the left side of the second connecting block (20) are movably connected to a fourth swing rod (22) via a pivot. The other end of the fourth swing rod (22) is movably connected to the outer side of the second swing rod (18) via a pivot.
8. The precise metering equipment for mineral powder in green silicate cement production according to claim 7, characterized in that: A weight sensor (23) is fixedly connected to the top of the discharge gate (19), a humidity sensor (24) is fixedly connected to the right side of the inner cavity of the inner shell (2), and a controller (25) is fixedly connected to the right side of the top of the outer shell (1). The output terminals of the weight sensor (23) and the humidity sensor (24) are both electrically connected to the input terminal of the controller (25).
Citation Information
Patent Citations
Ingredient metering equipment for cement production
CN214819716U