A stirring device for high-sulfur coal gangue associated microbial sulfur fixation
By introducing pre-cutting and anti-clogging mechanisms into the mixing device, the problem of agglomeration and accumulation of high-sulfur coal gangue was solved, achieving uniform distribution and thorough mixing of materials, and improving the efficiency and stability of microbial sulfur fixation reaction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI KUNTAI ENVIRONMENTAL PROTECTION TECH GRP CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-14
AI Technical Summary
Existing mixing devices for sulfur fixation by associated microorganisms in high-sulfur coal gangue lack pre-cutting capabilities, which causes large pieces of high-sulfur coal gangue to easily agglomerate and accumulate when entering the mixing tank, resulting in uneven material distribution and affecting the contact efficiency between microorganisms and coal gangue, as well as the sufficiency and stability of the sulfur fixation reaction.
A mixing device including a pre-cutting mechanism and an anti-blocking mechanism was designed. The rotating column drives the cutting blades to pre-cut the coal gangue, and the material is evenly fed into the mixing tank by the cooperation of the material smoothing plate and the collision block, while preventing blockage during the feeding process.
This process achieves thorough mixing of coal gangue with microbial agents and nutrient solution, improving microbial contact efficiency, ensuring the stability and efficiency of the sulfur fixation reaction, and avoiding material blockage during the feeding process.
Smart Images
Figure CN224485765U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of high-sulfur coal gangue mixing and treatment technology, and in particular to a mixing device for sulfur fixation by associated microorganisms in high-sulfur coal gangue. Background Technology
[0002] In the coal mining and processing industry, the efficiency of sulfur fixation treatment of high-sulfur coal gangue is directly related to resource recycling rate and ecological environmental protection. As the main solid waste generated in the coal production process, if the sulfur content of high-sulfur coal gangue is not effectively fixed by associated microorganisms, it will not only release harmful gases and pollute the atmosphere during the stacking or utilization process, but also aggravate the risk of soil and water acidification. Therefore, a high-efficiency mixing device designed specifically for sulfur fixation by associated microorganisms of high-sulfur coal gangue is crucial.
[0003] The main structure of the mixing device for sulfur fixation by associated microorganisms in high-sulfur coal gangue includes a mixing host, a feeding and mixing device, and an intelligent control device. The mixing host is equipped with mixing blades. The feeding device feeds coal gangue and microbial agents into the host in proportion to ensure uniform mixing of materials and agents. The intelligent control device can set the mixing speed. During operation, high-sulfur coal gangue and microbial agents are fed into the mixing host through the feeding and mixing device. After the intelligent control device is started, the mixing blades rotate at low speed to ensure full contact of materials. Through bioconversion, sulfur is fixed in the solid matrix. The entire process does not require high temperature and high pressure or chemical agents, making it green and environmentally friendly, and realizing the reduction of harm and resource utilization of high-sulfur coal gangue.
[0004] Existing stirring devices for sulfur fixation by associated microorganisms in high-sulfur coal gangue often lack pre-cutting capabilities. This causes large pieces of high-sulfur coal gangue to easily agglomerate and accumulate inside the mixing tank, resulting in uneven material distribution during the descent. This leads to localized accumulation or voids, making it difficult for the microorganisms to fully contact the inoculants and nutrient solution. Consequently, the contact efficiency between the microorganisms and the coal gangue is reduced, affecting the sufficiency and stability of the sulfur fixation reaction. Therefore, a new stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue is proposed to address these issues. Utility Model Content
[0005] To overcome the above deficiencies, this utility model provides a stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue. It aims to improve the problem that some existing devices lack pre-cutting functions, which makes it easy for large pieces of high-sulfur coal gangue to agglomerate and accumulate in the mixing tank when entering the mixing tank, resulting in uneven material distribution during the falling process.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue includes a support frame, a stirring tank fixedly connected to the top of the support frame, a motor fixedly connected to the bottom of the stirring tank, a rotating column fixedly connected to the drive end of the motor, a stirring mechanism provided on the outside of the rotating column, a pre-cutting mechanism provided at the top of the rotating column, an anti-blocking mechanism provided at the bottom of the rotating column, a feeding trough fixedly connected to the bottom of the stirring tank, and a feeding trough fixedly connected to the top of the stirring tank.
[0008] The pre-cutting mechanism includes a cutting blade, the right end of which is fixedly connected to the top of the rotating column. A rotating disk is fixedly connected to the top of the rotating column. A connecting column two is slidably connected to the top of the feeding trough. A material-supporting plate is fixedly connected to the outside of the connecting column two. A moving mechanism is provided at the top of the rotating disk.
[0009] As a further description of the above technical solution:
[0010] The anti-blocking mechanism includes a fixed plate, the right end of which is fixedly connected to the bottom end of the rotating column, and a groove block fixedly connected to the left end of the fixed plate. A limit post is fixedly connected to the bottom end of the feeding trough, and a sliding post is slidably connected inside the limit post. A second fixed post is fixedly connected to the top end of the sliding post, and a telescopic post is fixedly connected to the top end of the second fixed post. A collision block is fixedly connected to the top end of the telescopic post, and a spring is sleeved on the outside of the telescopic post.
[0011] As a further description of the above technical solution:
[0012] The moving mechanism includes a fixed column, the bottom end of which is fixedly connected to the top of the rotating disk. A limit block is slidably connected to the outside of the fixed column, and a sliding plate is fixedly connected to the outside of the limit block.
[0013] As a further description of the above technical solution:
[0014] The stirring mechanism includes a stirring spiral, the outside of which is fixedly connected to the outside of the rotating column. A connecting column is fixedly connected to the top of the rotating column, and a scraper is fixedly connected to the left end of the connecting column.
[0015] As a further description of the above technical solution:
[0016] The bottom end of the sliding plate is slidably connected to the top end of the mixing tank, and the rear end of the sliding plate is fixedly connected to the front end of the connecting column two.
[0017] As a further description of the above technical solution:
[0018] The bottom end of the limiting block is slidably connected to the top end of the rotating disk, and the sliding plate is L-shaped.
[0019] As a further description of the above technical solution:
[0020] One end of the spring is fixedly connected to the top of the second fixed post, and the other end of the spring is fixedly connected to the bottom of the collision block.
[0021] As a further description of the above technical solution:
[0022] The collision block is slidably connected inside the limiting post, and the top end of the collision block is in contact with the bottom end of the feeding trough.
[0023] This utility model has the following beneficial effects:
[0024] 1. In this utility model, the rotating column drives the rotating disk to rotate the fixed column one. The rotation of the fixed column one causes the limiting block to slide back and forth at the top of the rotating disk, which in turn drives the sliding plate and the connecting column two to slide, causing the material plate to slide back and forth, thereby dispersing the falling agglomerated coal gangue and ensuring that the material enters the mixing tank evenly. At the same time, the rotating column drives the cutting blade to rotate synchronously, pre-cutting the coal gangue, breaking large pieces into small pieces, so that the subsequent mixing with microbial agents and nutrient solution is more thorough and the microbial contact efficiency is improved.
[0025] 2. In this utility model, the rotating column rotates to drive the fixed plate and the groove block to make a circular motion. When the groove block reaches the designated position, the bottom end of the sliding column is inside the groove block. When the groove block slides, it pushes the sliding column to move upward. The fixed column two drives the telescopic column and the collision block to rise. After moving to the designated position, the top of the collision block contacts and collides with the feeding trough. At the same time, the spring is compressed. After the collision ends, the compressed spring pushes the fixed column two in the opposite direction, so that the telescopic column pulls the collision block down to reset. Through repeated collisions, the adhesion and accumulation of sticky coal gangue on the inner wall of the feeding trough is reduced. Attached Figure Description
[0026] Figure 1 This is a three-dimensional schematic diagram of a stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue, as proposed in this utility model.
[0027] Figure 2 This is a schematic diagram of the sliding plate of a stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue, as proposed in this utility model.
[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0029] Figure 4 This is a schematic diagram of the groove block of a stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue, as proposed in this utility model.
[0030] Figure 5 for Figure 4 Enlarged view of point B in the middle.
[0031] Legend:
[0032] 1. Support frame; 2. Mixing tank; 3. Motor; 4. Rotating column; 5. Mixing mechanism; 51. Mixing spiral; 52. Connecting column one; 53. Scraper; 51. Mixing spiral; 6. Pre-cutting mechanism; 61. Cutting blade; 62. Rotating disk; 63. Moving mechanism; 631. Fixed column one; 632. Limiting block; 633. Sliding plate; 64. Connecting column two; 65. Material smoothing plate; 7. Anti-blocking mechanism; 71. Fixed plate; 72. Groove block; 73. Limiting column; 74. Sliding column; 75. Fixed column two; 76. Telescopic column; 77. Collision block; 78. Spring; 8. Discharge chute; 9. Loading chute. Detailed Implementation
[0033] 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.
[0034] Reference Figure 1 and Figure 3 This utility model provides an embodiment of a stirring device for sulfur fixation of high-sulfur coal gangue with associated microorganisms, including a support frame 1. The support frame 1 provides a support foundation for the stirring tank 2, ensuring that the stirring tank 2 will not shake or tip over during operation. The top of the support frame 1 is fixedly connected to the stirring tank 2, which is welded and fixed to the top of the support frame 1. The stirring tank 2 is a container for stirring and mixing coal gangue with microbial agents and nutrient solution to carry out a sulfur fixation reaction. The bottom of the stirring tank 2 is fixedly connected to a motor 3, which provides a power source for a rotating column 4. The drive end of the motor 3 is fixedly connected to the rotating column 4, which can transmit the power output by the motor 3 to the rotating disk 62 and the fixed plate 71. A stirring mechanism 5 is provided on the outside of the rotating column 4. The stirring mechanism 5 can fully mix coal gangue with microbial agents and nutrient solution. The stirring mechanism 5 includes a stirring spiral 51, which can chop high-sulfur coal gangue and fully mix it with microbial agents and nutrient solution by rotating the stirring spiral 51.
[0035] The stirring spiral 51 is externally fixedly connected to the outside of the rotating column 4. The two are welded together to prevent the stirring spiral 51 from shifting position during operation. A connecting column 52 is fixedly connected to the top of the rotating column 4, serving to connect the rotating column 4 and the scraper 53, transmitting the rotational force of the rotating column 4 to the scraper 53. The scraper 53 is fixedly connected to the left end of the connecting column 52. The rotation of the scraper 53 scrapes off coal gangue, impurities, etc., adhering to the inner wall of the mixing tank 2, ensuring sufficient contact between the coal gangue and the microbial agent and nutrient solution. The top is equipped with a pre-cutting mechanism 6, which can pre-treat the coal gangue entering the mixing tank 2 and improve the subsequent mixing efficiency. The bottom of the rotating column 4 is equipped with an anti-blocking mechanism 7, which can prevent the coal gangue from being blocked during the feeding process and ensure smooth feeding. The bottom of the mixing tank 2 is fixedly connected with a feeding trough 8, which is the channel for outputting the coal gangue after sulfur fixation and transporting the treated coal gangue to the next process. The top of the mixing tank 2 is fixedly connected with a feeding trough 9, which is the channel for coal gangue, nutrient solution and other materials to enter the mixing tank 2.
[0036] The pre-cutting mechanism 6 includes a cutting blade 61, the right end of which is fixedly connected to the top of the rotating column 4. The rotation of the rotating column 4 drives the cutting blade 61 to rotate synchronously, thereby pre-cutting the coal gangue falling into the mixing tank 2. This breaks larger pieces of coal gangue into smaller pieces in advance, allowing for faster and more thorough mixing with microbial agents and nutrient solutions during subsequent mixing, thus improving the efficiency of the sulfur fixation reaction. A rotating disk 62 is fixedly connected to the top of the rotating column 4. The rotation of the rotating column 4 causes the rotating disk 62 to drive the fixed column. When the first 631 rotates, the top of the feeding trough 9 is slidably connected to the second connecting column 64. The second connecting column 64 can drive the material smoothing plate 65 to slide. The material smoothing plate 65 is fixedly connected to the outside of the second connecting column 64. Through the reciprocating sliding of the material smoothing plate 65, the falling agglomerated coal gangue can be dispersed, so that the material can enter the interior of the mixing tank 2 in a more uniform state. The top of the rotating disk 62 is provided with a moving mechanism 63. The moving mechanism 63 can convert the circular motion of the rotating disk 62 into the reciprocating sliding of the material smoothing plate 65.
[0037] The moving mechanism 63 includes a fixed column 631, the bottom end of which is fixedly connected to the top of the rotating disk 62. Rotation of the fixed column 631 causes the limiting block 632 to slide back and forth on the top of the rotating disk 62, thereby driving the sliding plate 633 to slide back and forth. The limiting block 632 is slidably connected to the outside of the fixed column 631. Driven by the fixed column 631, the limiting block 632 slides back and forth, converting the circular motion of the fixed column 631 into back and forth sliding. The bottom end of the limiting block 632 is slidably connected to the top of the rotating disk 62, which provides a sliding track for the limiting block 632, ensuring stable sliding. A sliding plate 633 is fixedly connected to the outside of the positioning block 632. The sliding plate 633 can slide back and forth under the drive of the positioning block 632, thereby driving the second connecting column 64 and the material feeding plate 65 to move. The sliding plate 633 is L-shaped. Through the L-shaped design, the sliding plate 633 can better connect the positioning block 632 and the second connecting column 64. The bottom end of the sliding plate 633 is slidably connected to the top of the mixing tank 2. The mixing tank 2 provides the movement trajectory and position restriction for the sliding plate 633. The rear end of the sliding plate 633 is fixedly connected to the front end of the second connecting column 64. The back and forth sliding of the sliding plate 633 can drive the second connecting column 64 to slide synchronously.
[0038] Reference Figure 1 , Figure 4 and Figure 5 The anti-blocking mechanism 7 includes a fixed plate 71, which can move synchronously with the rotation of the rotating column 4. The right end of the fixed plate 71 is fixedly connected to the bottom end of the rotating column 4, and the rotating column 4 provides the mounting base for the fixed plate 71. The left end of the fixed plate 71 is fixedly connected to a groove block 72, which can move in a circular motion with the fixed plate 71. The groove block 72 is designed with an oblique shape and has a height difference between its front and rear ends. The bottom end of the feeding trough 8 is fixedly connected to a limit post 73, which provides the movement trajectory and limit for the collision block 77. The inside of the limit post 73 is slidably connected to a sliding post 74, which can slide inside the limit post 73 to provide guidance for the subsequent collision action of the collision block 77 and the feeding trough 8.
[0039] A fixed column 75 is fixedly connected to the top of the sliding column 74. The fixed column 75 can transmit the movement of the sliding column 74 to the telescopic column 76. The telescopic column 76 is fixedly connected to the top of the fixed column 75. The telescopic column 76 can telescopically move as the collision block 77 collides with the feeding chute 8, avoiding damage to the feeding chute 8 from rigid contact. The collision block 77 is fixedly connected to the top of the telescopic column 76. The collision block 77 can contact the feeding chute 8 and generate a collision, thereby reducing the adhesion of sticky coal gangue to the inner wall of the feeding chute 8. The collision block 77 is slidably connected to the limit position. Inside the column 73, the limiting column 73 provides the movement trajectory for the collision block 77. The top of the collision block 77 contacts the bottom of the feeding trough 8. Through contact collision, the probability of material blockage inside the feeding trough 8 can be reduced. The telescopic column 76 is fitted with a spring 78. The spring 78 provides elastic force for the collision block 77 to reset after collision. One end of the spring 78 is fixedly connected to the top of the fixed column 75, and the other end is fixedly connected to the bottom of the collision block 77. Through the fixed connection, the spring 78 can better store elastic force when the collision block 77 moves.
[0040] Working principle: When the operator uses the stirring device for sulfur fixation of high-sulfur coal gangue with associated microorganisms, the motor 3 is started, and the high-sulfur coal gangue, nutrient solution, etc. are poured into the inside of the mixing tank 2. The motor 3 drives the rotating column 4 to rotate the stirring spiral 51 and the connecting column 52. The rotation of the stirring spiral 51 can chop the high-sulfur coal gangue and mix it thoroughly with the microbial agent and nutrient solution. The rotation of the connecting column 52 can drive the scraper 53 to rotate synchronously. The rotation of the scraper 53 can scrape off the coal gangue and impurities attached to the inner wall of the mixing tank 2, ensuring that the coal gangue is in full contact with the microbial agent and nutrient solution.
[0041] When high-sulfur coal gangue falls into the mixing tank 2, the rotation of the rotating column 4 causes the rotating disk 62 to drive the fixed column 631 to rotate. The rotation of the fixed column 631 causes the limiting block 632 to slide back and forth at the top of the rotating disk 62, which in turn drives the sliding plate 633 to slide back and forth. This causes the connecting column 64 to drive the material smoothing plate 65 to slide back and forth. Through the reciprocating sliding of the material smoothing plate 65, the falling agglomerated coal gangue can be dispersed to avoid getting stuck in the feeding trough 9 and causing blockage. At the same time, the material can enter the mixing tank 2 in a more uniform state. The rotation of the rotating column 4 will drive the cutting blade 61 to rotate synchronously, realizing the pre-cutting of the coal gangue falling into the mixing tank 2, breaking the larger coal gangue into smaller pieces in advance, so that it can be mixed more quickly and fully with microbial agents and nutrient solution in subsequent mixing, improving the microbial contact efficiency and shortening the start-up time of the sulfur fixation reaction.
[0042] When the coal gangue after sulfur fixation is completed is transported to the next process through the feeding chute 8, the rotation of the rotating column 4 causes the fixed plate 71 to drive the groove block 72 to make a circular motion. When the groove block 72 moves to the designated position, the bottom end of the sliding column 74 contacts the groove inside the groove block 72. Due to the height difference between the front and rear ends of the groove, the groove block 72 moves upward as it slides inside the groove. This causes the fixed column 75 to push the telescopic column 76 to drive the collision block 77 upward. When it moves to the designated position, the top of the collision block 77 contacts the feeding chute 8 and generates a collision compression spring 78. After the collision is completed, the compressed spring 78 pushes the fixed column 75 in the opposite direction, causing the telescopic column 76 to pull the collision block 77 downward in preparation for the next collision. Through repeated contact and collision, the adhesion and accumulation of sticky coal gangue on the inner wall of the feeding chute 8 is reduced, so that the coal gangue falls and is output evenly and stably.
[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue, comprising a support frame (1), characterized in that: The top of the support frame (1) is fixedly connected to a mixing tank (2), the bottom of the mixing tank (2) is fixedly connected to a motor (3), the drive end of the motor (3) is fixedly connected to a rotating column (4), a stirring mechanism (5) is provided on the outside of the rotating column (4), a pre-cutting mechanism (6) is provided on the top of the rotating column (4), an anti-blocking mechanism (7) is provided on the bottom of the rotating column (4), a feeding trough (8) is fixedly connected to the bottom of the mixing tank (2), and a feeding trough (9) is fixedly connected to the top of the mixing tank (2). The pre-cutting mechanism (6) includes a cutting blade (61), the right end of which is fixedly connected to the top of the rotating column (4), the top of which is fixedly connected to a rotating disk (62), the top of which is slidably connected to a connecting column two (64), the outside of which is fixedly connected to a material smoothing plate (65), and the top of which is provided with a moving mechanism (63).
2. The stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue according to claim 1, characterized in that: The anti-blocking mechanism (7) includes a fixed plate (71), the right end of which is fixedly connected to the bottom end of the rotating column (4), the left end of which is fixedly connected to a groove block (72), the bottom end of the feeding trough (8) is fixedly connected to a limiting column (73), the inside of the limiting column (73) is slidably connected to a sliding column (74), the top end of the sliding column (74) is fixedly connected to a second fixed column (75), the top end of the second fixed column (75) is fixedly connected to a telescopic column (76), the top end of the telescopic column (76) is fixedly connected to a collision block (77), and the outside of the telescopic column (76) is sleeved with a spring (78).
3. The stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue according to claim 1, characterized in that: The moving mechanism (63) includes a fixed column (631), the bottom end of which is fixedly connected to the top of the rotating disk (62), and a limit block (632) is slidably connected to the outside of the fixed column (631), and a sliding plate (633) is fixedly connected to the outside of the limit block (632).
4. The stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue according to claim 1, characterized in that: The stirring mechanism (5) includes a stirring spiral (51), the outside of which is fixedly connected to the outside of the rotating column (4), the top of the rotating column (4) is fixedly connected to a connecting column (52), and the left end of the connecting column (52) is fixedly connected to a scraper (53).
5. The stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue according to claim 3, characterized in that: The bottom end of the sliding plate (633) is slidably connected to the top end of the mixing tank (2), and the rear end of the sliding plate (633) is fixedly connected to the front end of the connecting column (64).
6. The stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue according to claim 3, characterized in that: The bottom end of the limiting block (632) is slidably connected to the top end of the rotating disk (62), and the sliding plate (633) is L-shaped.
7. The stirring device for sulfur fixation by associated microorganisms in high-sulfur coal gangue according to claim 2, characterized in that: One end of the spring (78) is fixedly connected to the top of the second fixed post (75), and the other end of the spring (78) is fixedly connected to the bottom of the collision block (77).
8. A stirring device for sulfur fixation of associated microorganisms in high-sulfur coal gangue according to claim 2, characterized in that: The collision block (77) is slidably connected inside the limiting post (73), and the top of the collision block (77) is in contact with the bottom of the feeding trough (8).