CN115779735A - Planetary stirring device for thickening slurry and working method thereof - Google Patents
Planetary stirring device for thickening slurry and working method thereof Download PDFInfo
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- CN115779735A CN115779735A CN202211575668.XA CN202211575668A CN115779735A CN 115779735 A CN115779735 A CN 115779735A CN 202211575668 A CN202211575668 A CN 202211575668A CN 115779735 A CN115779735 A CN 115779735A
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Abstract
The invention discloses a planetary stirring device for thickening slurry and a working method thereof, wherein the planetary stirring device comprises a stirring pool, a support, a feeding device, a driving motor, a track, a discharging device, a stirring paddle and a planetary gear set, and particularly, the stirring paddle reciprocates in the stirring pool through the driving motor and the track, so that the slurry is mixed and stirred all the time and forms regional turbulence, meanwhile, the driving motor drives the feeding device and the discharging device to do revolution motion around the axis of the stirring paddle, and the discharging device also does reverse rotation motion around the axis of the discharging device while doing revolution motion due to the action of the planetary gear set, so that a thickening agent is uniformly added into the regional turbulence slurry, and the thickening agent and the slurry are fully mixed.
Description
Technical Field
The invention relates to a solid-liquid mixing device and a working method thereof, in particular to a planetary stirring device for thickening slurry and a working method thereof, belonging to the technical field of equipment for mixing materials.
Background
The coal resources in China are rich, and with the improvement of the coal mining efficiency, the residual coal quantity in the goaf is large, so that the spontaneous combustion probability of the coal in the goaf is increased, and the safe and efficient mining of the coal mine in China is directly influenced; at present, the main technical measure adopted by the fire prevention and control of the coal mine underground goaf in China is to inject three-phase foam or thickened slurry into the goaf for fire prevention and extinguishing; before grouting, a foaming agent or a thickening agent, yellow mud and the like are generally selected to be mixed and stirred as raw materials for goaf grouting; the thickened slurry is stirred into two stages, the first stage is uniform mixing of yellow mud slurry, compared with the traditional grouting material, the thickened slurry is mainly yellow mud, coarse aggregates such as broken stones and the like do not exist, and stirring is mainly performed to prevent large caking; the other stage is the mixing of the thickening agent and the yellow mud slurry, and because the thickening agent is added later, the stirrer needs to be capable of completing the uniform mixing of the upper layer and the lower layer in a very short time, otherwise, the thickening agent floats on the upper part of the slurry, so that the mixing is not uniform, and the finished product has overlarge density difference.
Therefore, when grouting by using the thickened slurry, the stirrer has the following functions: 1. has stronger stirring and mixing functions, and ensures the uniformity of the yellow mud body: 2. the slurry mixer has a strong function of quickly mixing slurry in the upper layer and the lower layer, and dead corners cannot be left; however, the common stirrer has low rotating speed, simple blade layout and more dead angles, and the stirring quality is difficult to ensure; in addition, in the concrete mixer, the mixing materials need to be manually added into the concrete mixer in the feeding process, and the number of people who can work at the same time is single due to the limitation of the structure of the concrete mixer and the like, so that the labor intensity of workers is high, and the materials are not uniformly mixed.
The invention aims to solve the problem that the thickened slurry grouting material is difficult to be fully mixed in the prior art, and provides a planetary stirring device for thickened slurry and a working method thereof on the basis of an original stirrer.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the planetary stirring device for thickening slurry and the working method thereof, the operation is simple and convenient, the mixing preparation of materials can be continuously carried out, the thickened slurry can be fully stirred, the suspension of particles in the thickened slurry can be effectively realized, the grouting is convenient, and meanwhile, the planetary stirring device has higher safety performance and mixing efficiency.
The purpose of the invention can be realized by the following technical scheme: a planetary stirring device for thickening slurry comprises a stirring pool, a bracket, a feeding device, a driving motor, a track, a discharging device, stirring blades and a planetary gear set;
tracks are symmetrically arranged at the top of the stirring tank, a support is arranged above the stirring tank, track wheels are symmetrically arranged on two sides of the support, the two symmetrically arranged track wheels are matched with the two symmetrically arranged tracks, a planetary gear set is arranged at the central position of the support, the mounting end of the planetary gear set is fixedly connected with the support, the two feeding devices are symmetrically arranged on the upper side of the support, the two discharging devices are respectively arranged under the corresponding feeding devices, the discharging devices are matched with the planetary gear set, the discharging devices are coaxially and fixedly connected with driven planetary gears, a driving motor is fixedly arranged at the central position of the upper part of the support, and the driving motor is matched with the planetary gear set;
and a stirring paddle blade is arranged in the groove at the top of the stirring pool and is matched with the planetary gear set.
Furthermore, the planetary gear set comprises a driving sun gear, two driven planet gears and a gear ring, the two driven planet gears and the adjacent driving sun gear and the adjacent gear ring are always in a normally meshed state and both adopt helical gear structures, a planet gear carrier is fixedly connected to a support, the two driven planet gears and the driving sun gear are arranged on the inner side of the gear ring, the two driven planet gears symmetrically surround the two sides of the driving sun gear, the driving sun gear rotates around the axis of the driving sun gear, and the driven planet gears revolve around the axis of the driving sun gear and rotate around the axis of the driving sun gear.
Furthermore, a driving shaft is arranged below the driving motor and fixedly connected with the feeding device through a fixing support, the driving shaft is coaxially and fixedly connected with the driving sun gear, and the driving shaft is coaxially and fixedly connected with the stirring blade through a flange.
Furthermore, the rotation direction of the driving sun gear is the same as the revolution direction of the driven planet gear, the rotation direction is opposite, the rotation direction of the stirring paddle is the same as the revolution direction of the discharging device, the rotation direction is opposite, the stirring paddle rotates around the axis of the stirring paddle, and the discharging device revolves around the axis of the stirring paddle and rotates around the axis of the discharging device;
the transmission ratio of the driving sun gear to the driven planetary gear is 1:4, and the transmission ratio of the stirring paddle to the discharging device is 1:4;
the stirring paddle is made of silicon carbide fibers.
Furthermore, the stirring Chi Hengjie is in a rectangular structure, the longitudinal section of the bottom of the stirring tank is in an arc structure, the longitudinal section of the stirring paddle is in an arc structure, the stirring paddle is attached to the inner surface of the stirring tank, and the support reciprocates along the rail through the rail wheel and drives the stirring paddle to reciprocate in the stirring tank.
Furthermore, feed arrangement's cross section is circular, and feed arrangement's longitudinal section is the infundibulate, and feed arrangement below annular sets up four universal pulleys, and the setting of universal pulley below sets up the annular pulley guide rail of fixing on the support, and the feed arrangement lower part is provided with the valve, and the feed arrangement lower extreme passes through airtight bearing with the discharging device upper end and is connected, and discharging device's longitudinal section is the type of falling T, and the discharge gate is along the bottom and the even setting in both ends that discharging device lower part was violently managed.
Furthermore, the discharge port is uniformly provided with a plurality of discharge ports along the bottom and two ends of the transverse pipe at the lower part of the discharging device, and the diameter of the discharge port is 1mm.
A working method of a planetary stirring device for thickening slurry comprises the following specific steps:
A. respectively putting a thickening agent and the slurry of the thickened slurry into a feeding device and a stirring tank;
B. starting a driving motor, wherein the driving motor drives a driving shaft to enable a stirring paddle to rotate clockwise, so that the slurry in the stirring tank forms regional clockwise turbulent slurry;
C. the driving shaft is connected with the feeding device through the fixed support to drive the feeding device to perform revolution motion clockwise along the pulley guide rail, and the driving shaft is connected with the driving sun gear to drive the driven planetary gear to perform rotation motion anticlockwise so as to drive the discharging device connected with the driven planetary gear to perform rotation motion anticlockwise, so that the thickening agent in the feeding device is uniformly thrown into the lower regional clockwise turbulent slurry from the discharging port anticlockwise;
D. the support reciprocates along the track through the rail wheel to drive the stirring paddle blade to reciprocate in the stirring tank and continuously stir the slurry, so that the thickening agent and the slurry are fully mixed, and the thickened slurry is formed after mixing.
The invention has the beneficial effects that:
the invention adopts a combined mode of a stirring pool, a support, a feeding device, a driving motor, a rail, a discharging device, a stirring paddle and a planetary gear set, a thickening agent and slurry of thickened slurry are respectively placed into the feeding device and the stirring pool, the support reciprocates along the rail through a rail wheel so as to drive the stirring paddle to reciprocate in the stirring pool to continuously stir the slurry, the driving motor drives a driving shaft to drive the stirring paddle to rotate clockwise, the slurry in the stirring pool forms regional clockwise turbulent slurry, the driving shaft is connected with the feeding device through a fixed support to drive the feeding device to revolve clockwise along a pulley guide rail, and the driving shaft is connected with a driving sun gear to drive a driven planetary gear to rotate anticlockwise, so that the discharging device connected with the driven planetary gear rotates anticlockwise, the thickening agent in the feeding device is uniformly thrown into the regional clockwise turbulent slurry from a discharging port along the anticlockwise direction, the thickening agent and the thickening agent is fully mixed with the slurry, and the thickened slurry is formed after mixing. Therefore, the invention has simple operation, scientific and reasonable structure and prolonged service life; the materials can be continuously mixed and prepared, and the production efficiency and the whole construction progress are improved; the thickening agent can be automatically added, the thickening agent is uniformly added, flocculation and caking are avoided, the quality of the material is improved, and the labor cost expenditure and the material waste are reduced; the thickened slurry can be fully mixed, the suspension of particles in the thickened slurry can be effectively realized, the grouting is convenient, and the pipe blockage is prevented; has higher safety performance and mixing efficiency.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of the overall construction of the present invention;
FIG. 2 is a top plan view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of a planetary gear set of the present invention;
FIG. 4 is a structural sectional view of the discharging device of the present invention.
In the figure: 1. a stirring tank; 2. a support; 3. a feeding device; 4. a drive motor; 5. a universal pulley; 6. a pulley guide rail; 7. a rail wheel; 8. a track; 9. a valve; 10. sealing the bearing; 11. a discharging device; 12. fixing a bracket; 13. a drive shaft; 14. a flange; 15. a stirring paddle; 16. a planetary gear set; 17. a driving sun gear; 18. a driven planetary gear; 19. a ring gear; 20. and (4) a discharge port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention is a planetary stirring apparatus for thickening slurry and a working method thereof, including a stirring tank 1, a support 2, a feeding device 3, a driving motor 4, a track 8, a discharging device 11, a stirring blade 15, and a planetary gear set 16;
the track 8 is horizontally fixed above the stirring pool 1, two track wheels 7 are respectively arranged on two sides of the support 2, the track wheels 7 are placed above the track 8, the planetary gear set 16 is arranged in the center of the middle of the device and is fixedly connected with the support 2, the planetary gear set 16 consists of a driving sun gear 17, a driven planet gear 18 and a gear ring 19, the two feeding devices 3 are symmetrically arranged on the upper side of the support 2, the two discharging devices 11 are respectively arranged under the feeding devices 3, the discharging devices 11 are coaxially and fixedly connected with the driven planet gears 18, the driving motor 4 is arranged in the center of the upper part of the device and is fixedly connected with the support 2, a driving shaft 13 is arranged under the driving motor 4, the driving shaft 13 is fixedly connected with the feeding devices 3 through a fixed support 12, the driving shaft 13 is coaxially and fixedly connected with the driving sun gear 17, and the driving shaft 13 is coaxially and fixedly connected with the stirring blades 15 through a flange 14;
the cross section of the stirring tank 1 is arranged in a rectangular structure, the longitudinal section of the bottom of the stirring tank 1 is arranged in an arc structure, the longitudinal section of the stirring paddle 15 is arranged in an arc structure, the stirring paddle 15 is attached to the inner surface of the stirring tank 1, and the support 2 reciprocates along the rail 8 through the rail wheel 7 and drives the stirring paddle 15 to reciprocate in the stirring tank 1;
the cross section of feed arrangement 3 is circular, feed arrangement 3's longitudinal section is the infundibulate, 3 below rings shape of feed arrangement set up four universal pulleys 5, universal pulley 5 below sets up the annular pulley guide rail 6 of fixing on support 2, 3 lower parts of feed arrangement are provided with valve 9, and 3 lower extremes of feed arrangement are connected through airtight bearing 10 with 11 upper ends of discharging device, 11 longitudinal section of discharging device is the type of falling T, discharge gate 20 evenly sets up along the bottom and the both ends of violently managing in 11 lower parts of discharging device.
As shown in fig. 3, the planetary gear set 16 includes a driving sun gear 17, two driven planet gears 18 and a ring gear 19, the ring gear 19 is fixedly connected to the carrier 2, the two driven planet gears 18 and the driving sun gear 17 are disposed inside the ring gear 19, the two driven planet gears 18 symmetrically surround both sides of the driving sun gear 17, the driving sun gear 17 rotates around its axis, and the driven planet gears 18 revolve around the axis of the driving sun gear 17 and rotate around their axes. Stirring paddle blade 15 revolves around self axis rotation, and discharging device 11 revolves around stirring paddle blade 15's axis and revolves around self axis rotation, forms the torrent when setting to this kind of structure and can do benefit to stirring paddle blade 15 stirring thick liquid to do benefit to in the even below torrent form thick liquid that adds of densifier in discharging device 11, through the intensive mixing back, form the thickening slurry.
The rotating direction of the driving sun gear 17 is opposite to that of the driven planetary gear 18, and the rotating direction of the stirring paddle 15 is opposite to that of the discharging device 11, so that the flowing direction of turbulent slurry is opposite to that of the thickening agent rotated out of the discharging device 11, the mixing efficiency is improved, the suspension of particles in the thickened slurry is effectively realized, and the grouting is facilitated. The transmission ratio of the driving sun gear 17 to the driven planetary gears 18 is 1:4, the transmission ratio of the stirring blades 15 to the discharging device 11 is 1:4, and the setting of the parameters enables the discharging amount of the thickening agent rotated out of the discharging device 11 to be matched with the rotating speed of the stirring blades 15, so that the mixing efficiency is improved.
The driving shaft 13 and the driving sun gear 17 are coaxially and fixedly connected through a flange 14, and the structure can be conveniently detached and connected. The stirring paddle 15 is made of silicon carbide fiber, and the load of the driving motor 4 can be reduced by the light weight, high strength and good wear resistance of the stirring paddle 15, and the service life of the stirring paddle 15 is prolonged.
As shown in fig. 4, the plurality of discharge ports 20 are uniformly arranged along the bottom and two ends of the horizontal tube at the lower part of the discharging device 11, and the diameter of the discharge ports 20 is 1mm, so that the discharge amount of the thickening agent can be controlled by setting the parameters to match with the rotation rate of the discharging device 11.
When the slurry mixer works, a thickening agent and slurry of thickened slurry are respectively placed into the feeding device 3 and the stirring tank 1, the support 2 reciprocates along the track 8 through the track wheel 7 to drive the stirring paddle blade 15 to reciprocate in the stirring tank 1 to continuously stir the slurry, the driving motor 4 drives the driving shaft 13 to enable the stirring paddle blade 15 to rotate clockwise, so that the slurry in the stirring tank 1 forms regional clockwise turbulent slurry, the driving shaft 13 is connected with the feeding device 3 through the fixed support 12 to drive the feeding device 3 to revolve clockwise along the pulley guide rail 6, and the driving shaft 13 is connected with the driving sun gear 17 to drive the driven planetary gear 18 to rotate anticlockwise, so that the discharging device 11 connected with the driven planetary gear 18 is driven to rotate anticlockwise, so that the thickening agent in the feeding device 3 is uniformly thrown into the regional clockwise turbulent slurry from the discharging port 20 in the anticlockwise direction, so that the thickening agent and the slurry are fully mixed to form thickened slurry after mixing.
The foregoing is merely illustrative and explanatory of the present invention and various modifications, additions or substitutions may be made to the specific embodiments described by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. A planetary stirring device for thickening slurry, comprising a stirring pool (1), a bracket (2), a feeding device (3), a driving motor (4), a track (8), a discharging device (11), stirring blades (15) and a planetary gear set (16), and is characterized in that:
the track (8) is symmetrically installed at the top of the stirring pool (1), a support (2) is arranged above the stirring pool (1), track wheels (7) are symmetrically installed on two sides of the support (2), the two symmetrically-arranged track wheels (7) are matched with the two symmetrically-arranged tracks (8), a planetary gear set (16) is installed at the center of the support (2), the installation end of the planetary gear set (16) is fixedly connected with the support (2), the two feeding devices (3) are symmetrically installed on the upper side of the support (2), the two discharging devices (11) are respectively arranged under the corresponding feeding devices (3), the discharging devices (11) are matched with the planetary gear set (16), the driving motor (4) is fixedly installed at the center of the upper portion of the support (2), and the driving motor (4) is matched with the planetary gear set (16);
stirring paddle (15) are arranged in the groove in the top of the stirring pool (1), and the stirring paddle (15) is matched with the planetary gear set (16).
2. The planetary stirring device for thickening slurry according to claim 1, wherein the planetary gear set (16) comprises a driving sun gear (17), two driven planet gears (18) and a ring gear (19), wherein the two driven planet gears (18) and the adjacent driving sun gear (17) and ring gear (19) are in constant mesh and both adopt helical gear structures, the planet gear carrier is fixedly connected to the support (2), the two driven planet gears (18) and the driving sun gear (17) are arranged inside the ring gear (19), the two driven planet gears (18) symmetrically surround the driving sun gear (17), the driving sun gear (17) rotates around its axis, and the driven planet gears (18) rotate around the axis of the driving sun gear (17) and revolve around their own axis.
3. The planetary stirring device for thickening slurry according to claim 2, wherein a driving shaft (13) is arranged below the driving motor (4), the driving shaft (13) is fixedly connected with the feeding device (3) through a fixed bracket (12), the driving shaft (13) is coaxially and fixedly connected with a driving sun gear (17), and the driving shaft (13) is coaxially and fixedly connected with the stirring blade (15) through a flange (14).
4. The planetary stirring device for thickening slurry according to claim 3, wherein the rotation direction of the driving sun gear (17) is the same as the revolution direction of the driven planetary gear (18) and is opposite to the rotation direction, the rotation direction of the stirring blade (15) is the same as the revolution direction of the discharging device (11) and is opposite to the rotation direction, the stirring blade (15) rotates around its axis, and the discharging device (11) revolves around the axis of the stirring blade (15) and rotates around its axis;
the transmission ratio of the driving sun gear (17) to the driven planetary gear (18) is 1:4, and the transmission ratio of the stirring blade (15) to the discharging device (11) is 1:4;
the stirring paddle (15) is made of silicon carbide fibers.
5. The planetary stirring device for thickening slurry according to claim 1, wherein the cross section of the stirring tank (1) is of a rectangular structure, the longitudinal section of the bottom of the stirring tank (1) is of an arc structure, the longitudinal section of the stirring blade (15) is of an arc structure, the stirring blade (15) is attached to the inner surface of the stirring tank (1), and the support (2) reciprocates along the rail (8) through the rail wheel (7) and drives the stirring blade (15) to reciprocate in the stirring tank (1).
6. The planetary stirring device for thickening slurry according to claim 1, wherein the feeding device (3) has a circular cross section, the longitudinal section of the feeding device (3) is funnel-shaped, four universal pulleys (5) are annularly arranged below the feeding device (3), an annular pulley guide rail (6) fixed on the support (2) is arranged below the universal pulleys (5), the lower part of the feeding device (3) is provided with a valve (9), the lower end of the feeding device (3) is connected with the upper end of the discharging device (11) through a sealed bearing (10), the longitudinal section of the discharging device (11) is inverted T-shaped, and the discharge ports (20) are uniformly arranged along the bottom and two ends of the transverse pipe at the lower part of the discharging device (11).
7. Planetary stirring device for thickening slurry according to claim 6, characterized in that said discharge ports (20) are uniformly arranged in number along the bottom and both ends of the lower cross tube of the discharge device (11), and the diameter of the discharge ports (20) is 1mm.
8. The operating method of a planetary mixer for thickening slurry according to claim 1, comprising the steps of:
A. respectively putting a thickening agent and the slurry of the thickened slurry into a feeding device (3) and a stirring tank (1);
B. starting a driving motor (4), wherein the driving motor (4) drives a driving shaft (13) to enable a stirring paddle blade (15) to rotate clockwise, so that the slurry in the stirring tank (1) forms regional clockwise turbulent slurry;
C. the driving shaft (13) is connected with the feeding device (3) through the fixed support (12) and can drive the feeding device (3) to do revolution motion clockwise along the pulley guide rail (6), and the driving shaft (13) is connected with the driving sun gear (17) and can drive the driven planetary gear (18) to do rotation motion anticlockwise, so that the discharging device (11) connected with the driven planetary gear (18) is driven to do rotation motion anticlockwise, and the thickening agent in the feeding device (3) is uniformly thrown into the lower regional clockwise turbulent flow-shaped slurry from the discharging port (20) in the anticlockwise direction;
D. the bracket (2) reciprocates along the track (8) through the track wheel (7), so that the stirring paddle (15) is driven to reciprocate in the stirring tank (1) to continuously stir the slurry, and then the thickening agent and the slurry are fully mixed to form thickened slurry after mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211575668.XA CN115779735A (en) | 2022-12-09 | 2022-12-09 | Planetary stirring device for thickening slurry and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211575668.XA CN115779735A (en) | 2022-12-09 | 2022-12-09 | Planetary stirring device for thickening slurry and working method thereof |
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| CN115779735A true CN115779735A (en) | 2023-03-14 |
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| CN202211575668.XA Pending CN115779735A (en) | 2022-12-09 | 2022-12-09 | Planetary stirring device for thickening slurry and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116983865A (en) * | 2023-09-28 | 2023-11-03 | 成都理工大学 | Thickening device and method for realizing uniform solidification of liquid and particle solidified plugging material |
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2022
- 2022-12-09 CN CN202211575668.XA patent/CN115779735A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116983865A (en) * | 2023-09-28 | 2023-11-03 | 成都理工大学 | Thickening device and method for realizing uniform solidification of liquid and particle solidified plugging material |
| CN116983865B (en) * | 2023-09-28 | 2023-12-19 | 成都理工大学 | Thickening device and method for realizing uniform solidification of liquid and particle solidified plugging material |
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