Efficient flocculating agent stirring device for coal preparation plant
By introducing a design that allows two layers of stirring blades to rotate simultaneously in both directions in the stirring device, the problem of low efficiency of traditional stirring devices is solved, and uniform and thorough mixing of flocculants is achieved, thereby improving production efficiency and reducing maintenance costs.
Patent Information
- Application Number
- CN202520345800.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Traditional stirring devices struggle to achieve uniform and thorough mixing when stirring polymer flocculants, resulting in long mixing times, low efficiency, complex device structure, and high maintenance costs.
The design employs two layers of stirring blades that rotate simultaneously in both directions. Power is transmitted through a single motor and gear assembly, enabling the upper and lower stirring blades to rotate in opposite directions. Combined with the arc-shaped blade structure, this achieves all-around stirring.
It achieves uniform and thorough mixing of flocculants, significantly improves mixing efficiency, reduces production costs, and features a simple and compact structural design with low maintenance costs.
Smart Images
Figure CN223901653U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal preparation technology field, concretely relates to a high -efficient stirring device for flocculating agent in coal preparation plant. BACKGROUND
[0002] A large amount of coal slime water is produced in the coal preparation process, and the stirred flocculating agent solution needs to be added in the coal slime water, the flocculating agent solution can make the coal slime particles in the coal slime water gather and settle, accelerate solid-liquid separation, and also can purify the coal slime water, so that the upper clear water can be recycled and utilized, and the environment is avoided from being polluted. Because the flocculating agent is a high molecular polymer, water needs to be added for stirring to prepare the flocculating agent solution, so that the flocculation and sedimentation effect can be fully exerted.
[0003] At present, the traditional stirring device is that a plurality of steel bars are welded on a shaft in a flocculating agent stirring barrel, and the stirring steel bars rotate in a fixed direction under the driving action of a motor, so that the flocculating agent and water are mixed with each other. Because the flocculating agent is a high molecular polymer, a paste is formed when the flocculating agent meets water, and the paste is difficult to be broken during stirring, so that the flocculating agent is difficult to be stirred uniformly and completely. SUMMARY
[0004] In view of the problems existing in the prior art, the utility model provides a high -efficient stirring device for flocculating agent in coal preparation plant.
[0005] To achieve the above-mentioned purpose, the utility model provides a high -efficient stirring device for flocculating agent in coal preparation plant, which comprises a stirring barrel, a stirring mechanism, a barrel cover mechanism and a motor.
[0006] The stirring mechanism comprises a stirring shaft pipe, a transmission shaft and a gear assembly, an upper stirring part is fixedly connected to the lower end of the stirring shaft pipe, the transmission shaft is arranged in the pipe of the stirring shaft pipe, the both ends of the transmission shaft extend to the outside of the stirring shaft pipe respectively, a lower stirring part is fixedly connected to the lower end of the transmission shaft, the upper end of the stirring shaft pipe and the upper end of the transmission shaft are connected with the gear assembly, and the gear assembly is connected with the power input shaft of the motor.
[0007] The barrel cover mechanism is arranged at the top of the stirring barrel, and the stirring mechanism is fixedly connected to the barrel cover mechanism.
[0008] Preferably, the gear assembly comprises a driving gear, a first driven gear and a second driven gear, both ends of the driving gear are engaged with the first driven gear and the second driven gear in the vertical direction respectively, the driving gear is connected with the power input shaft of the motor, the first driven gear is connected with the upper end of the stirring shaft pipe, and the second driven gear is connected with the upper end of the transmission shaft.
[0009] Preferably, the bucket cover mechanism comprises a water adding port, a material adding port and a stirring mechanism inlet.
[0010] Preferably, the stirring shaft pipe of the stirring mechanism is fixedly connected with the bucket cover mechanism through the stirring mechanism inlet, and the upper stirring part and the lower stirring part of the stirring mechanism are arranged inside the cavity of the stirring barrel.
[0011] Preferably, the bucket cover mechanism comprises a water adding port cover plate and a material adding port cover plate, the water adding port cover plate and the material adding port cover plate are fixedly arranged at positions on both sides of the top of the stirring barrel, the water adding port is arranged on the water adding port cover plate, and the material adding port is arranged on the material adding port cover plate; the bucket cover mechanism further comprises a stirring mechanism inlet cover plate, the stirring mechanism inlet cover plate is arranged at a middle position of the top of the stirring barrel, the stirring mechanism inlet is arranged on the stirring mechanism inlet cover plate, and both sides of the stirring mechanism inlet cover plate are connected to the water adding port cover plate and the material adding port cover plate.
[0012] Preferably, the upper stirring part comprises an upper stirring connecting part and a plurality of upper stirring blades, the upper stirring blades are uniformly arranged on the upper stirring connecting part, and the upper stirring blades are fixedly connected with the lower end of the stirring shaft pipe through the upper stirring connecting part.
[0013] Preferably, the lower stirring part comprises a lower stirring connecting part and a plurality of lower stirring blades, the lower stirring blades are uniformly arranged on the lower stirring connecting part, and the lower stirring blades are fixedly connected with the lower end of the transmission shaft through the lower stirring connecting part.
[0014] Preferably, the upper stirring blades and the lower stirring blades are in arc structures.
[0015] Preferably, the number of the upper stirring blades of the upper stirring part and the number of the lower stirring blades of the lower stirring part are adjusted according to the required stirring intensity.
[0016] Preferably, a solution discharge port is arranged at a position close to the bottom of the side wall of the stirring barrel.
[0017] The beneficial technical effects achieved by the utility model are as follows:
[0018] 1) the stirring mechanism of the device realizes the forward and reverse rotation stirring of the material at the same time by introducing the upper and lower two layers of stirring blades which can rotate in the forward and reverse directions, the upper stirring blade makes the material move downward and outward, the lower stirring blade makes the material move upward and outward, the forward and reverse rotation of the double-layer stirring blades can quickly break the paste structure, the material moves in all directions in the stirring barrel, the material is fully mixed, local uneven mixing is avoided, the stirring is more uniform and complete, and the stirring efficiency is improved.
[0019] 2) the stirring mechanism is realized by providing another transmission shaft in the pipe of the stirring shaft pipe, only relying on a single motor and a gear assembly to provide transmission power, through the ingenious gear meshing design, the stirring shaft pipe and the transmission shaft can move in the forward and reverse directions, and finally the upper stirring blade and the lower stirring blade rotate in the forward and reverse directions at the same time. The overall device has the advantages of simple, compact and practical structure, low maintenance cost.
[0020] 3) the device uses arc-shaped stirring blades, compared with the traditional flat-structure stirring steel bars, when stirring, the stirring blades will overturn and stir the liquid up and down, so that the solution flows up and down, the material in the stirring barrel moves in the vertical and horizontal directions, effectively reduces the bottom deposits, and the stirring is more sufficient, uniform and efficient. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a structure schematic view of a high-efficiency stirring device for a coal preparation plant flocculant according to an embodiment of the present application;
[0022] Figure 2 It is a sectional view schematic view of a stirring mechanism according to an embodiment of the present application;
[0023] Figure 3 It is a structure schematic view of an upper stirring part according to an embodiment of the present application;
[0024] Figure 4 It is a structure schematic view of a lower stirring part according to an embodiment of the present application;
[0025] Figure 5 It is a structure schematic view of a first driven gear according to an embodiment of the present application;
[0026] Figure 6 It is a structure schematic view of a second driven gear according to an embodiment of the present application;
[0027] Figure 7 It is a structure schematic view of a driving gear according to an embodiment of the present application;
[0028] In the drawing: 1, stirring barrel; 2, water inlet; 3, feeding inlet; 4, stirring mechanism inlet; 5, solution discharge port; 6, stirring shaft tube; 7, transmission shaft; 8, upper layer stirring part; 9, lower layer stirring part; 10, power input shaft; 11, driving gear; 12, first driven gear; 13, second driven gear; 14, upper layer stirring connecting part; 15, upper layer stirring blade; 16, lower layer stirring connecting part; 17, lower layer stirring blade; 18, water inlet cover plate; 19, feeding inlet cover plate; 20, stirring mechanism inlet cover plate. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0030] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0031] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0032] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, or detachable connection, or integral; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0033] In order to better understand the purpose, structure and function of the present application, the present application will be further described in detail below in combination with the drawings.
[0034] Example 1
[0035] In combination with Figures 1-7As shown, the embodiment provides a high-efficiency stirring device for coal preparation plant flocculant, which comprises a stirring barrel 1, a stirring mechanism, a barrel cover mechanism and a motor;
[0036] The stirring mechanism comprises a stirring shaft pipe 6, a transmission shaft 7 and a gear assembly. An upper stirring part 8 is fixedly connected to the lower end of the stirring shaft pipe 6. The transmission shaft 7 is arranged coaxially in the pipe of the stirring shaft pipe 6. The length of the transmission shaft 7 exceeds the length of the stirring shaft pipe 6, so that the transmission shaft 7 penetrates through the stirring shaft pipe 6. The two ends of the transmission shaft 7 extend to the outside of the stirring shaft pipe 6 respectively. A lower stirring part 9 is fixedly connected to the lower end of the transmission shaft 7. The upper end of the stirring shaft pipe 6 and the upper end of the transmission shaft 7 are connected with the gear assembly. The gear assembly is connected with the power input shaft 10 of the motor to provide the rotation power of the gear.
[0037] The barrel cover mechanism is arranged at the top of the stirring barrel 1, and the stirring mechanism is fixedly connected to the barrel cover mechanism.
[0038] The stirring mechanism of the device is provided with another transmission shaft in the pipe of the stirring shaft pipe. Only a single motor and a gear assembly are used to provide the transmission power. The stirring shaft pipe and the transmission shaft can move in the forward and reverse directions through the ingenious gear meshing design. Finally, the upper stirring part and the lower stirring part can rotate in the forward and reverse directions at the same time. The device has the advantages of simple and compact structure, strong practicability and low maintenance cost. The device can realize the stirring of the materials through the simultaneous forward and reverse rotation of the upper and lower stirring parts. The upper stirring part makes the materials move downward and outward, and the lower stirring part makes the materials move upward and outward. The simultaneous forward and reverse rotation of the double-layer stirring parts can quickly break the paste structure, make the materials move in all directions in the stirring barrel, and make the stirring more uniform, complete, fast and efficient. The device is beneficial to saving the production cost and improving the production efficiency.
[0039] Embodiment 2
[0040] In combination Figures 1-7 As shown, the embodiment provides a high-efficiency stirring device for coal preparation plant flocculant, which comprises a stirring barrel 1, a stirring mechanism, a barrel cover mechanism and a motor;
[0041] The stirring mechanism comprises a stirring shaft pipe 6, a transmission shaft 7 and a gear assembly. An upper stirring part 8 is fixedly connected to the lower end of the stirring shaft pipe 6. The transmission shaft 7 is arranged coaxially in the pipe of the stirring shaft pipe 6. The length of the transmission shaft 7 exceeds the length of the stirring shaft pipe 6, so that the transmission shaft 7 penetrates through the stirring shaft pipe 6. The two ends of the transmission shaft 7 extend to the outside of the stirring shaft pipe 6 respectively. A lower stirring part 9 is fixedly connected to the lower end of the transmission shaft 7. The upper end of the stirring shaft pipe 6 and the upper end of the transmission shaft 7 are connected with the gear assembly. The gear assembly is connected with the power input shaft 10 of the motor to provide the rotation power of the gear.
[0042] The barrel cover mechanism is arranged at the top of the stirring barrel 1, and the stirring mechanism is fixedly connected to the barrel cover mechanism.
[0043] In the embodiment, the gear assembly comprises a driving gear 11, a first driven gear 12 and a second driven gear 13. The two ends of the driving gear 11 are engaged with the first driven gear 12 and the second driven gear 13 in the vertical direction, specifically, the upper end of the driving gear 11 is engaged with the second driven gear 13, and the lower end of the driving gear 11 is engaged with the first driven gear 12. The driving gear 11 is connected with the power input shaft 10 of the motor, the first driven gear 12 is connected with the upper end of the stirring shaft tube 6, and the second driven gear 13 is connected with the upper end of the transmission shaft 7. The driving gear 11 is provided with rotating power by the motor, so that when the driving gear 11 rotates in one direction, the two driven gears above are engaged with the upper and lower ends of the driving gear 11 respectively, so that the two driven gears rotate in opposite directions.
[0044] In the embodiment, the upper stirring component 8 comprises an upper stirring connecting part 14 and a plurality of upper stirring blades 15, which are uniformly arranged on the upper stirring connecting part 14 and fixedly connected with the lower end of the stirring shaft tube 6 through the upper stirring connecting part 14. The lower stirring component 9 comprises a lower stirring connecting part 16 and a plurality of lower stirring blades 17, which are uniformly arranged on the lower stirring connecting part 16 and fixedly connected with the lower end of the transmission shaft 7 through the lower stirring connecting part 16. When stirring, the upper and lower stirring blades have a larger contact area with water, and the stirring is more thorough and sufficient through the overturning agitation, so that the bottom sediment is greatly reduced, and the stirring effect is significantly improved.
[0045] In the embodiment, the upper stirring blades 15 and the lower stirring blades 17 are both arc-shaped structures. The arc-shaped structure of the blades will push the liquid surface to move up and down, so that the materials in the stirring barrel produce vertical and horizontal movements. Compared with the traditional flat structure of the stirring steel bar, the stirring is more thorough, uniform and efficient.
[0046] In the embodiment, the number of the upper stirring blades 15 of the upper stirring component 8 and the number of the lower stirring blades 17 of the lower stirring component 9 are adjusted according to the required stirring intensity.
[0047] When the device is in use, the motor is powered on and starts to rotate, the power input shaft 10 of the motor starts to rotate, the power input shaft 10 drives the driving gear 11 to rotate, the two ends of the driving gear 11 are vertically engaged with the first driven gear 12 and the second driven gear 13 respectively, so the first driven gear 12 and the second driven gear 13 are driven to rotate in opposite directions, and the stirring shaft tube 6 and the transmission shaft 7 connected therewith are driven to rotate in opposite directions, finally, the upper stirring blade 15 and the lower stirring blade 17 connected to the lower end of the stirring shaft tube 6 are driven to rotate in opposite directions, and the stirring of the two layers of stirring blades in different directions is formed. The material is rotated and stirred in opposite directions at the same time, the stirring is more sufficient and uniform, and the stirring efficiency is also improved.
[0048] Embodiment 3
[0049] In combination Figures 1-7 As shown in the embodiment, the device comprises a stirring barrel 1, a stirring mechanism, a barrel cover mechanism and a motor.
[0050] The stirring mechanism comprises a stirring shaft tube 6, a transmission shaft 7 and a gear assembly, the upper stirring part 8 is fixedly connected to the lower end of the stirring shaft tube 6, the transmission shaft 7 is coaxially arranged in the stirring shaft tube 6, the length of the transmission shaft 7 exceeds the length of the stirring shaft tube 6, so that the transmission shaft 7 penetrates through the stirring shaft tube 6, and the two ends of the transmission shaft 7 extend out of the stirring shaft tube 6. The lower stirring part 9 is fixedly connected to the lower end of the transmission shaft 7, and the lower stirring part 9 is located below the upper stirring part 8. The upper end of the stirring shaft tube 6 and the upper end of the transmission shaft 7 are connected with the gear assembly, and the gear assembly is connected with the power input shaft 10 of the motor to provide the rotating power of the gear.
[0051] The barrel cover mechanism is fixedly arranged at the top of the stirring barrel 1, and the stirring mechanism is fixedly connected to the barrel cover mechanism.
[0052] In the embodiment, the barrel cover mechanism is provided with a water inlet 2 and a material inlet 3. The water inlet is connected with a water inlet pipe, and the material inlet is connected with a flocculant feeding pipe.
[0053] In the embodiment, the barrel cover mechanism is further provided with a stirring mechanism inlet 4. The stirring shaft tube 6 of the stirring mechanism penetrates through the stirring mechanism inlet 4 and is fixedly connected with the barrel cover mechanism, the upper stirring part 8 and the lower stirring part 9 of the stirring mechanism are arranged inside the cavity of the stirring barrel 1, and the gear assembly of the stirring mechanism is arranged outside the stirring barrel 1. The barrel cover mechanism supports the stirring mechanism.
[0054] In the embodiment, the side wall of the stirring barrel 1 is provided with a solution outlet 5 near the bottom. The solution outlet is connected with a flocculant solution outlet pipe to discharge the fully stirred flocculant solution.
[0055] Embodiment 4
[0056] In combination Figures 1-7 As shown in the figure, the embodiment is based on the embodiment 3, and further illustrates the specific implementation structure of the barrel cover mechanism and the connection mode of the stirring mechanism and the barrel cover mechanism, and the contents are as follows:
[0057] In the embodiment, the barrel cover mechanism includes a water inlet cover plate 18 and a material inlet cover plate 19, which are fixedly arranged at the top of the stirring barrel 1 on both sides, wherein the water inlet 2 is arranged on the water inlet cover plate 18, and the material inlet 3 is arranged on the material inlet cover plate 19; the barrel cover mechanism further includes a stirring mechanism inlet cover plate 20, and the stirring mechanism inlet 4 is arranged on the stirring mechanism inlet cover plate 20, which is arranged at the top of the stirring barrel 1 in the middle position, and the two sides of the stirring mechanism inlet cover plate 20 are fixedly overlapped on the water inlet cover plate 18 and the material inlet cover plate 19.
[0058] In the embodiment, the stirring shaft pipe 6 of the stirring mechanism is fixedly connected with the stirring mechanism inlet cover plate 20 through the stirring mechanism inlet 4, and in the specific implementation process, the fixed connection of the stirring shaft pipe 6 and the stirring mechanism inlet cover plate 20 can be realized by installing a flange, specifically, the stirring shaft pipe 6 is sleeved with a mounting flange, which is disc-shaped and has a series of bolt holes on the upper surface, and the stirring mechanism inlet cover plate 20 is provided with corresponding bolt holes, the bolt holes on the mounting flange are aligned with the bolt holes on the stirring mechanism inlet cover plate 20, and the two bolt holes are fixedly connected through bolts and nuts, so as to realize the fixed connection of the stirring mechanism and the stirring mechanism inlet cover plate 20, and the stirring mechanism inlet cover plate 20 plays a fixed and supporting role on the stirring mechanism.
[0059] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A high-efficiency stirring device for a coal preparation plant flocculant, characterized in that, It comprises a stirring barrel, a stirring mechanism, a barrel cover mechanism and a motor; The stirring mechanism comprises a stirring shaft pipe, a transmission shaft and a gear assembly, an upper stirring part is fixedly connected to the lower end of the stirring shaft pipe, a transmission shaft is arranged in the pipe of the stirring shaft pipe, the two ends of the transmission shaft extend to the outside of the stirring shaft pipe respectively, a lower stirring part is fixedly connected to the lower end of the transmission shaft, the upper end of the stirring shaft pipe and the upper end of the transmission shaft are connected with the gear assembly, and the gear assembly is connected with the power input shaft of the motor. The barrel cover mechanism is arranged at the top of the stirring barrel, and the stirring mechanism is fixedly connected to the barrel cover mechanism.
2. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 1, characterized in that, The gear assembly comprises a driving gear, a first driven gear and a second driven gear, the two ends of the driving gear are engaged with the first driven gear and the second driven gear in the vertical direction respectively, the driving gear is connected with the power input shaft of the motor, the first driven gear is connected with the upper end of the stirring shaft pipe, and the second driven gear is connected with the upper end of the transmission shaft.
3. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 1, characterized in that, The barrel cover mechanism comprises a water inlet, a material inlet and a stirring mechanism inlet.
4. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 3, characterized in that, The stirring shaft pipe of the stirring mechanism is fixedly connected with the barrel cover mechanism through the stirring mechanism inlet, and the upper stirring part and the lower stirring part of the stirring mechanism are arranged inside the cavity of the stirring barrel.
5. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 3, characterized in that, The barrel cover mechanism comprises a water inlet cover plate and a material inlet cover plate, the water inlet cover plate and the material inlet cover plate are fixedly arranged at the positions on both sides of the top of the stirring barrel, the water inlet is arranged on the water inlet cover plate, and the material inlet is arranged on the material inlet cover plate; the barrel cover mechanism further comprises a stirring mechanism inlet cover plate, the stirring mechanism inlet cover plate is arranged at the middle position of the top of the stirring barrel, the stirring mechanism inlet is arranged on the stirring mechanism inlet cover plate, and the stirring mechanism inlet cover plate is connected to the water inlet cover plate and the material inlet cover plate on both sides.
6. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 1, characterized in that, The upper stirring part comprises an upper stirring connecting part and a plurality of upper stirring blades, the upper stirring blades are uniformly arranged on the upper stirring connecting part, and the upper stirring blades are fixedly connected to the lower end of the stirring shaft pipe through the upper stirring connecting part.
7. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 6, characterized in that, The lower stirring part comprises a lower stirring connecting part and a plurality of lower stirring blades, the lower stirring blades are uniformly arranged on the lower stirring connecting part, and the lower stirring blades are fixedly connected to the lower end of the transmission shaft through the lower stirring connecting part.
8. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 7, characterized in that, The upper stirring blades and the lower stirring blades are both in arc structures.
9. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 7, characterized in that, The number of the upper stirring blades of the upper stirring part and the number of the lower stirring blades of the lower stirring part are adjusted according to the required stirring intensity.
10. The high-efficiency stirring device for a coal preparation plant flocculant according to claim 1, characterized in that, A solution discharge port is arranged on the side wall of the stirring barrel close to the bottom.