CN114985044A - Crushing and grinding device for calcium carbonate powder production - Google Patents
Crushing and grinding device for calcium carbonate powder production Download PDFInfo
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- CN114985044A CN114985044A CN202210857899.3A CN202210857899A CN114985044A CN 114985044 A CN114985044 A CN 114985044A CN 202210857899 A CN202210857899 A CN 202210857899A CN 114985044 A CN114985044 A CN 114985044A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
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Abstract
The invention relates to the technical field of calcium carbonate production, and discloses a crushing and grinding device for calcium carbonate powder production, which comprises a crushing box and a grinding box, wherein the bottom of the grinding box is also provided with a plurality of modification chambers which can rotate simultaneously and keep a vertical state synchronously, two grinding rollers are arranged in the grinding box, liquid accumulation grooves are formed in the two grinding rollers, spiral modification paddles for stirring calcium carbonate powder and modification liquid are arranged in the modification chambers in a rotating manner, the bottom of the grinding box is also provided with a linkage component for driving the spiral modification paddles and the modification chambers to rotate synchronously, and the linkage component comprises a central gear with a fixed position and driven gears arranged at the end parts of the spiral modification paddles. Compare in prior art, this application possesses when smashing the grinding to calcium carbonate, can also change advantages such as its surface characteristic, has solved calcium carbonate and has smashed grinder function singleness, handles a series of problems such as calcium carbonate inefficiency.
Description
Technical Field
The invention relates to the technical field of calcium carbonate production, in particular to a crushing and grinding device for calcium carbonate powder production.
Background
Calcium carbonate is an important, widely used inorganic salt. Ground calcium carbonate, also known as ground calcium carbonate, is produced by mechanically crushing natural calcite, limestone, chalk, shells, etc. It is called heavy calcium carbonate because its sedimentation volume is smaller than that of light calcium carbonate produced by chemical method. The surface modification is one of the most main deep processing technologies of heavy calcium carbonate and superfine heavy calcium carbonate, and at present, the surface modification of heavy calcium carbonate is mainly based on methods such as organic coating, composite modification and the like.
In the prior art, a grinding and pulverizing mechanism for extracting calcium carbonate is proposed in chinese patent publication No. CN112676018B, in which a grinding mechanism is provided, and the grinding mechanism is operated to grind calcium carbonate, thereby grinding the blocky calcium carbonate into powder, realizing automatic grinding, driving the grinding mechanism to operate by the operation of the conveying mechanism through the grinding mechanism, the automatic crushing device has the advantages that the automatic crushing effect is achieved by crushing the massive calcium carbonate, the screening mechanism is arranged, the liquid extraction mechanism operates to drive the screening mechanism to operate, the screening mechanism screens the crushed calcium carbonate solid, the automatic screening purpose is achieved, but the calcium carbonate is crushed and ground and then needs to be matched with other surface modification devices for use, so that the calcium carbonate meets the use requirement, the whole operation period is longer, the batch production of the calcium carbonate is not facilitated, therefore, the application discloses the production demand that calcium carbonate powder was satisfied to the crushing grinder of calcium carbonate powder production.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a grinding device for producing calcium carbonate powder, which has the advantages of grinding calcium carbonate, changing the surface characteristics of the calcium carbonate, and the like, and solves the series problems of single function, low calcium carbonate treatment efficiency and the like of the calcium carbonate grinding device in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a crushing and grinding device for producing calcium carbonate powder comprises a crushing box for crushing calcium carbonate and a grinding box for grinding calcium carbonate powder formed after being crushed by the crushing box, wherein the bottom of the grinding box is also provided with a plurality of modification chambers which can rotate simultaneously and keep vertical synchronously, two grinding rollers which are positioned at the same height are arranged in the grinding box, and liquid accumulating grooves for intermittently transferring modification liquid to the modification chambers are formed in the two grinding rollers; the modified calcium carbonate powder grinding device is characterized in that spiral modified paddles for stirring calcium carbonate powder and modified liquid are rotatably arranged in the modified chambers, a linkage assembly for driving the spiral modified paddles and the modified chambers to synchronously rotate is further arranged at the bottom of the grinding box, and the linkage assembly comprises a central gear with a fixed position and driven gears arranged at the end parts of the spiral modified paddles.
Preferably, the crushing box and the grinding box are connected through a plurality of bolts and nuts, the bottom of the crushing box is fixedly connected with a conical material gathering funnel, the bottom end of the material gathering funnel is located between the two grinding rollers, the bottom of the grinding box is rotatably provided with a rotating shaft, two ends of the rotating shaft are fixedly sleeved with rotating discs, two ends of the modifying chambers are fixedly connected with rotating connecting rods, the other ends of the rotating connecting rods are rotatably mounted on the rotating discs on the corresponding sides respectively, and the modifying chambers are arranged in a circumferential array by taking the axis of the rotating shaft as an axis.
Preferably, the crushing box is internally and rotatably provided with two crushing rollers, one end of one of the crushing rollers is fixedly sleeved with a crushing belt pulley, the two grinding rollers are rotatably arranged in the grinding box, one end of one of the grinding rollers is fixedly sleeved with a grinding belt pulley, one end of the rotating shaft is fixedly sleeved with a rotating belt pulley, and the same transmission belt is sleeved on the crushing belt pulley, the grinding belt pulley and the rotating belt pulley.
Preferably, the other ends of the two grinding rollers are fixedly sleeved with meshed reversing gears, the other ends of the two grinding rollers are also fixedly sleeved with meshed reversing gears, and the two groups of reversing gears are provided with protective covers.
Preferably, a U-shaped pipe is fixedly installed on the outer wall of the bottom end of the material gathering funnel, the U-shaped pipe is further communicated with a communicating pipe communicated with the supply end of the external modified liquid, and the communicating pipe is provided with an electromagnetic valve.
Preferably, still fixed mounting has the valve cylinder on gathering the bottom outer wall of material funnel, the flexible end of valve cylinder extends to gather in the bottom of material funnel and fixedly connected with push-pull valve, push-pull valve slip cap is established gather on the bottom of material funnel.
Preferably, the inner walls of two sides of one of the liquid collecting tanks are provided with lens windows with corresponding positions, the lens windows are made of transparent materials and do not prevent infrared rays from penetrating, the inner walls of two sides of the grinding box are provided with two mounting grooves with corresponding positions, the two mounting grooves are internally provided with an infrared transmitting end and an infrared receiving end which are matched with each other, and the infrared transmitting end and the infrared receiving end correspond to the positions of the lens windows on two sides.
Preferably, arc-shaped eccentric blocks located at the same height are fixedly mounted on the outer walls of the two grinding rollers, the two arc-shaped eccentric blocks and the grinding rollers on the corresponding sides are arranged in a non-coaxial mode, a plurality of horizontally arranged friction grooves are formed in the two arc-shaped eccentric blocks, and the minimum distance between the two arc-shaped eccentric blocks and the liquid accumulation grooves on the corresponding sides is matched with the distance between the two adjacent modification chambers.
Preferably, a plurality of modification chambers are formed in the modification chambers, and are provided with gravity center blocks, the gravity center blocks are respectively located at one sides of the corresponding modification chambers and are respectively used for promoting the corresponding modification chambers to keep a vertical state, and the modification chambers are located between the two grinding rollers when located at the highest positions.
Preferably, a shearing shaft is rotatably mounted in each of the plurality of modification chambers, the plurality of screw modification paddles are respectively and fixedly mounted on the corresponding shearing shaft, one end of each of the plurality of shearing shafts penetrates through the corresponding rotating connecting rod and is rotatably mounted on the same central gear, the plurality of driven gears are respectively and fixedly sleeved on one end of the corresponding shearing shaft, the central gear is fixedly mounted at the bottom end of the grinding box and is sleeved on the rotating shaft, and the plurality of driven gears are all meshed with the central gear.
(III) advantageous effects
Compared with the prior art, the invention provides a crushing and grinding device for calcium carbonate powder production, which has the following beneficial effects:
1. the crushing and grinding device for producing calcium carbonate powder receives infrared rays through the infrared receiving end, correspondingly controls the modified liquid to be sprayed into the liquid accumulating tank, and drives the flashboard valve to open along with the continuous rotation of the grinding rollers, so that the modified liquid in the liquid accumulating tank enters the modification chamber at the highest position below, when the liquid accumulating tanks at two sides rotate to be far away from each other, the valve cylinder at the upper part operates to drive the flashboard valve to open, the crushed calcium carbonate powder falls between the two grinding rollers below, the grinding operation is carried out (the modification chamber at the highest position keeps slow rotation), the calcium carbonate powder is completely ground under the combined action of the arc-shaped eccentric block and the friction tank, falls into the modification chamber at the highest position below and is mixed with the modified liquid in the modification chamber, the surface modification operation of the calcium carbonate powder is realized, and then, when the infrared receiving end receives the infrared rays again, the adjacent modification chambers rotate to the highest position, bear calcium carbonate powder and modify its surface, compare in prior art, need not to set up independent actuating mechanism, realize the surface modification operation to calcium carbonate powder on current crushing grinder, improve the treatment effect to calcium carbonate powder.
2. This grinding device is smashed to calcium carbonate powder production, through driving belt, rotatory belt pulley rotates with grinding belt pulley is synchronous, and then make the pivot drive the carousel and rotate, thereby make a plurality of shearing axles use the pivot to rotate as the axle synchronization, because sun gear's rigidity, and then make a plurality of driven gears drive the shearing axle that corresponds and take place the rotation around the rotation when the pivot revolution, and then make the modified oar of a plurality of spirals rotate, play shearing dispersion effect to the mixture of modified liquid and calcium carbonate powder in the modification room, can not only utilize the physical mechanical force to strengthen the surface modification effect of calcium carbonate, can also promote modified speed, further improve whole calcium carbonate and smash grinding device's practicality.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a perspective view of a second embodiment of the present invention;
FIG. 3 is a schematic perspective view of the crushing box of the present invention;
FIG. 4 is a schematic perspective view of a gathering funnel according to the present invention;
FIG. 5 is a schematic perspective view of a grinding box according to the present invention;
FIG. 6 is a schematic view of another perspective structure of the grinding box of the present invention;
FIG. 7 is a schematic sectional view of the grinding box of the present invention;
FIG. 8 is a perspective view of the grinding roll of the present invention;
FIG. 9 is a schematic bottom perspective view of the polishing box of the present invention;
FIG. 10 is a schematic perspective view of a modification chamber according to the present invention;
FIG. 11 is a schematic sectional view of a modification chamber according to the present invention.
In the figure: 1. a crushing box; 2. grinding a box; 3. a modification chamber; 4. a crushing belt pulley; 5. a reversing gear; 6. a gathering hopper; 7. a grinding roller; 8. grinding the belt pulley; 9. a U-shaped tube; 10. a communicating pipe; 11. a valve cylinder; 12. a gate valve; 13. a liquid accumulation tank; 14. a lens window; 15. an infrared emitting end; 16. an infrared receiving end; 17. an arc-shaped eccentric block; 18. a friction groove; 19. a rotating shaft; 20. rotating the belt pulley; 21. a turntable; 22. rotating the connecting rod; 23. a modification chamber; 24. a gravity center block; 25. a shear shaft; 26. a screw modified paddle; 27. a driven gear; 28. a sun gear; 29. a shield.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As the background art introduces, the prior art has shortcomings, and in order to solve the technical problems, the present application provides a crushing and grinding device for producing calcium carbonate powder.
In a typical embodiment of the present application, as shown in fig. 1 to 11, a crushing and grinding apparatus for producing calcium carbonate powder comprises a crushing box 1 for crushing calcium carbonate, and a grinding box 2 for grinding calcium carbonate powder formed after crushing by the crushing box 1, wherein the bottom of the grinding box 2 is further provided with a plurality of modification chambers 3 which can simultaneously rotate and synchronously maintain a vertical state, two grinding rollers 7 located at the same height are installed in the grinding box 2, and a liquid accumulation groove 13 for intermittently transferring a modification liquid to the plurality of modification chambers 3 is opened on each of the two grinding rollers 7; spiral modification paddles 26 used for stirring calcium carbonate powder and modification liquid are rotatably arranged in the plurality of modification chambers 3, a linkage component used for driving the plurality of spiral modification paddles 26 and the modification chambers 3 to synchronously rotate is further arranged at the bottom of the grinding box 2, the linkage component comprises a central gear 28 with a fixed position and a driven gear 27 arranged at the end part of the plurality of spiral modification paddles 26, when calcium carbonate is processed, firstly, the calcium carbonate is primarily ground through the grinding box 1, then, the ground calcium carbonate powder enters the grinding box 2 below, the calcium carbonate is ground through two grinding rollers 7 in the grinding box 2 to obtain the calcium carbonate powder, the modification chambers 3 at the highest position below are driven to be intermittently replaced in the continuous rotating and grinding process of the grinding rollers 7, the modified chambers 3 are matched with the intermittent discharge of the modification liquid, the ground calcium carbonate powder is mixed with the modification liquid by adopting the plurality of modification chambers 3, accomplish the modification operation to calcium carbonate powder surface, compare in prior art, accomplish the surface modification operation of calcium carbonate powder when can realizing the crushing grinding of calcium carbonate, in addition, grinding roller 7 rotates the in-process, can also rotate through the interlock subassembly, and the modified oar 26 of spiral in the multiple modification rooms of synchronous drive 3 rotates, can not only utilize physical mechanical force to strengthen the surface modification effect of calcium carbonate, can also promote modified speed, further improves the practicality that grinder was smashed to whole calcium carbonate.
As a preferred embodiment in this embodiment, the pulverizing box 1 is connected to the grinding box 2 through a plurality of bolts and nuts, the bottom of the pulverizing box 1 is fixedly connected to a conical aggregate funnel 6, the bottom end of the aggregate funnel 6 is located between two grinding rollers 7, the bottom of the grinding box 2 is rotatably mounted with a rotating shaft 19, both ends of the rotating shaft 19 are fixedly sleeved with rotating discs 21, both ends of the modifying chambers 3 are fixedly connected to rotating connecting rods 22, the other ends of the rotating connecting rods 22 are rotatably mounted on the rotating discs 21 on the corresponding sides, the modifying chambers 3 are circumferentially arrayed by taking the axis of the rotating shaft 19 as the axis, two pulverizing rollers are rotatably mounted in the pulverizing box 1, one end of one of the pulverizing rollers is fixedly sleeved with a pulverizing belt pulley 4, the two grinding rollers 7 are rotatably mounted in the grinding box 2, one end of one of the grinding rollers 7 is fixedly sleeved with a grinding belt pulley 8, one end of the rotating shaft 19 is fixedly sleeved with a rotating belt pulley 20, the grinding belt pulley 4, the grinding belt pulley 8 and the rotating belt pulley 20 are sleeved with the same transmission belt, the outer wall of the bottom end of the material gathering funnel 6 is fixedly provided with a U-shaped pipe 9, the U-shaped pipe 9 is also communicated with a communicating pipe 10 communicated with an external modification liquid supply end, the communicating pipe 10 is provided with an electromagnetic valve, the outer wall of the bottom end of the material gathering funnel 6 is also fixedly provided with a valve cylinder 11, the telescopic end of the valve cylinder 11 extends into the bottom end of the material gathering funnel 6 and is fixedly connected with a gate valve 12, the gate valve 12 is sleeved on the bottom end of the material gathering funnel 6 in a sliding manner, two inner walls of one liquid accumulating groove 13 are respectively provided with a lens window 14 with corresponding positions, the lens windows 14 are made of transparent materials and do not obstruct infrared ray penetration, two inner walls of the grinding box 2 are respectively provided with two mounting grooves with corresponding positions, the two mounting grooves are respectively provided with an infrared transmitting end 15 and an infrared receiving end 16 which are matched with each other, the infrared transmitting end 15 and the infrared receiving end 16 correspond to the positions of the lens windows 14 at the two sides, the outer walls of the two grinding rollers 7 are respectively fixedly provided with arc-shaped eccentric blocks 17 which are positioned at the same height, the two arc-shaped eccentric blocks 17 are arranged in a way of being different from the grinding rollers 7 at the corresponding sides, the two arc-shaped eccentric blocks 17 are respectively provided with a plurality of friction grooves 18 which are horizontally arranged, the minimum distance between the two arc-shaped eccentric blocks 17 and the hydrops grooves 13 at the corresponding sides is matched with the distance between the adjacent modification chambers 3, when calcium carbonate is treated, a large block of calcium carbonate is put into the grinding box 1, after the grinding treatment of the grinding box 1, the formed calcium carbonate powder falls into the grinding box 2 at the lower part from the gathering hopper 6, and then the grinding action of the grinding rollers 7 is carried out, so that the ground calcium carbonate powder falls into the modification chambers 3 at the lower part, in the process, when the grinding rollers 7 rotate to corresponding positions, infrared rays emitted by an infrared emission end 15 penetrate through lens windows 14 on two sides and are received by an infrared receiving end 16, then a valve cylinder 11 controls a gate valve 12 to be completely closed at the bottom end of a material gathering hopper 6, a solenoid valve is opened for a short time and then closed, modified liquid enters a U-shaped pipe 9 from a communicating pipe 10 and is sprayed into a corresponding liquid accumulating groove 13 through a hole formed in the bottom of the U-shaped pipe 9, then the modified liquid in the liquid accumulating groove 13 enters a modification chamber 3 on the highest position below along with the continuous rotation of the grinding rollers 7, when the liquid accumulating grooves 13 on two sides rotate to be far away from each other, the valve cylinder 11 on the upper part operates to drive the gate valve 12 to be opened, and the ground calcium carbonate powder falls between the two grinding rollers 7 below to carry out grinding operation (the modification chamber 3 on the highest position is kept rotating slowly), under the combined action of the arc-shaped eccentric block 17 and the friction groove 18, the calcium carbonate powder is completely ground and falls into the modification chamber 3 at the highest position below the modification chamber to be mixed with the modification liquid therein, so as to realize the surface modification operation of the calcium carbonate powder, then, when the infrared receiving end 16 receives infrared rays again, the adjacent modification chamber 3 rotates to the highest position to bear the calcium carbonate powder and modify the surface of the calcium carbonate powder, and it is worth noting that after the arc-shaped eccentric block 17 finishes grinding the calcium carbonate powder once and until the liquid accumulating groove 13 rotates to the corresponding position, the idle period existing on the grinding rollers 7 just meets the arc surface interval of the adjacent modification chamber 3, namely when the liquid accumulating groove 13 reaches the identification position of the infrared rays, one side of the modification chamber 3 at the highest position below the modification chamber is just positioned at the middle relative position of the two grinding rollers 7, and in addition, the external diameters of the grinding belt pulley 8 and the rotating belt pulley 20 are just enough to meet the relative rotating speed between the modification chambers 3 and the grinding rollers 7 And the adaptation deceleration effect of the modification chamber 3 when the grinding roller 7 rotates is realized, compared with the prior art, an independent driving mechanism is not required to be arranged, the surface modification operation of the calcium carbonate powder is realized on the existing grinding device, and the treatment effect of the calcium carbonate powder is improved.
As a preferred embodiment in this embodiment, modification chambers 23 are provided in the plurality of modification chambers 3, and gravity center blocks 24 are installed on the modification chambers, and the gravity center blocks 24 are located on one side of the corresponding modification chambers 23, and are used for urging the corresponding modification chambers 3 to maintain a vertical state, and the modification chambers 23 are located between the two grinding rollers 7 when located at the highest position, and by providing the gravity center blocks 24, the modification chambers 3 can maintain a vertical state when used in cooperation with the grinding rollers 7 under the action of gravity, thereby realizing stable loading of ground calcium carbonate powder.
As a preferred embodiment in this embodiment, the other ends of the two pulverizing rollers are fixedly sleeved with the meshed reversing gears 5, the other ends of the two grinding rollers 7 are also fixedly sleeved with the meshed reversing gears 5, the two sets of reversing gears 5 are provided with the protective covers 29, the double-roller effect of the pulverizing rollers or the grinding rollers 7 is realized by the arrangement of the reversing gears 5, the pulverizing or grinding effect is exerted on calcium carbonate, and the safety of the whole device in use is improved by the arrangement of the protective covers 29.
As a preferred embodiment in this embodiment, a plurality of modification chambers 3 are rotatably installed with a shearing shaft 25, a plurality of spiral modification paddles 26 are respectively fixedly installed on the corresponding shearing shafts 25, one end of each of the plurality of shearing shafts 25 penetrates through the corresponding rotating link 22 and is rotatably installed on the same central gear 28, a plurality of driven gears 27 are respectively fixedly sleeved on one end of the corresponding shearing shaft 25, the central gear 28 is fixedly installed at the bottom end of the grinding box 2 and is sleeved on the rotating shaft 19, the plurality of driven gears 27 are all engaged with the central gear 28, during the grinding and mixing of calcium carbonate powder and modification liquid by using the plurality of modification chambers 3, the rotating pulley 20 and the grinding pulley 8 rotate synchronously through a transmission belt, so that the rotating shaft 19 drives the rotating disc 21 to rotate, thereby the plurality of shearing shafts 25 rotate synchronously with the rotating shaft 19 as a shaft, because sun gear 28's rigidity, and then make a plurality of driven gear 27 drive corresponding shearing axle 25 and take place the rotation around the revolution of pivot 19 when revolving, and then make a plurality of modified oars of spiral 26 rotate, play the shearing dispersion effect to the mixture of modified liquid and calcium carbonate powder in the modification room 3, can not only utilize physical mechanical force to strengthen the surface modification effect of calcium carbonate, can also promote modified speed, further improve the practicality that grinder was smashed to whole calcium carbonate.
The working principle of the invention is as follows: when calcium carbonate is treated, large calcium carbonate is put into a crushing box 1, after the crushing treatment of the crushing box 1, formed calcium carbonate powder falls into a grinding box 2 below from a material collecting funnel 6, and then the ground calcium carbonate powder falls into a plurality of modification chambers 3 below under the grinding action of a grinding roller 7, in the process, when the grinding roller 7 rotates to a corresponding position, infrared rays emitted by an infrared emitting end 15 penetrate through lens windows 14 on two sides and are received by an infrared receiving end 16, then a valve cylinder 11 controls a gate valve 12 to be completely closed at the bottom end of the material collecting funnel 6, an electromagnetic valve is closed after being opened for a short time, modification liquid enters a U-shaped tube 9 from a communicating tube 10 and is sprayed into a corresponding liquid accumulating groove 13 through a hole formed in the bottom of the U-shaped tube 9, and then the modification liquid in the liquid accumulating groove 13 enters the modification chamber 3 on the highest position below along with the continuous rotation of the grinding roller 7, when the effusion grooves 13 on both sides rotate to be away from each other, the valve cylinder 11 on the upper part operates to drive the gate valve 12 to open, the crushed calcium carbonate powder falls between the two grinding rollers 7 on the lower part for grinding operation (the modification chamber 3 on the highest position keeps rotating slowly), and under the combined action of the arc-shaped eccentric block 17 and the friction groove 18, the calcium carbonate powder is completely ground and falls into the modification chamber 3 on the highest position on the lower part to be mixed with the modification liquid therein to realize the surface modification operation of the calcium carbonate powder, and then when the infrared receiving end 16 receives infrared rays again, the adjacent modification chamber 3 rotates to the highest position to bear the calcium carbonate powder and modify the surface of the calcium carbonate powder, compared with the prior art, an independent driving mechanism is not needed to be arranged, the surface modification operation of the calcium carbonate powder is realized on the existing grinding device, the treatment effect on the calcium carbonate powder is improved.
Grind and utilize the in-process of the mixed calcium carbonate powder of a plurality of modification rooms 3 and modified liquid, through driving belt, rotatory belt pulley 20 rotates with grinding belt pulley 8 is synchronous, and then make pivot 19 drive carousel 21 and rotate, thereby make a plurality of shearing axles 25 use pivot 19 to rotate as the axle synchronization, because sun gear 28's rigidity, and then make a plurality of driven gear 27 drive the rotation that takes place when corresponding shearing axle 25 revolves around pivot 19, and then make a plurality of modified oar 26 rotations of spiral, play the shear dispersion effect to the mixture of modified liquid in the modification room 3 and calcium carbonate powder, can not only utilize the physical mechanical force to strengthen the surface modification effect of calcium carbonate, can also promote modified speed, further improve the practicality of whole calcium carbonate grinding device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a crushing grinder of calcium carbonate powder production which characterized in that: the calcium carbonate grinding device comprises a grinding box (1) for grinding calcium carbonate and a grinding box (2) for grinding calcium carbonate powder formed after the calcium carbonate is ground by the grinding box (1), wherein the bottom of the grinding box (2) is also provided with a plurality of modification chambers (3) which can rotate simultaneously and keep vertical synchronously, two grinding rollers (7) positioned on the same height are arranged in the grinding box (2), and liquid accumulating tanks (13) for intermittently transferring modification liquid to the modification chambers (3) are arranged on the two grinding rollers (7);
spiral modification paddles (26) used for stirring calcium carbonate powder and modification liquid are rotatably arranged in the modification chambers (3), a linkage component used for driving the spiral modification paddles (26) and the modification chambers (3) to synchronously rotate is further arranged at the bottom of the grinding box (2), and the linkage component comprises a central gear (28) with a fixed position and driven gears (27) arranged at the end parts of the spiral modification paddles (26).
2. The crushing and grinding device for producing calcium carbonate powder according to claim 1, characterized in that: smash case (1) with be connected with the nut through a plurality of bolts between grinding case (2), the bottom fixedly connected with of smashing case (1) is conical gathering material funnel (6), gather the bottom of material funnel (6) and be located two grind between roller (7), grind the bottom of case (2) and rotate and install pivot (19), the both ends of pivot (19) all are fixed and have cup jointed carousel (21), and are a plurality of the equal fixedly connected with in both ends of modified room (3) rotates connecting rod (22), and is a plurality of the other end of rotating connecting rod (22) rotates respectively and installs on corresponding side carousel (21), and is a plurality of modified room (3) all use the axis of pivot (19) is the circumference array and arranges as the axle.
3. The crushing and grinding device for calcium carbonate powder production according to claim 2, characterized in that: smash case (1) internal rotation and install two crushing rollers, one of them the fixed cover of one end of crushing roller has connect crushing belt pulley (4), two it all rotates to install to grind roller (7) grind in case (2), one of them the fixed cover of one end of grinding roller (7) has connect grinding belt pulley (8), the fixed cover of one end of pivot (19) has connect rotatory belt pulley (20), smash belt pulley (4) with grind belt pulley (8) and the cover is equipped with same driving belt on rotatory belt pulley (20).
4. The crushing and grinding device for producing calcium carbonate powder according to claim 3, characterized in that: the other end of each of the two crushing rollers is fixedly sleeved with a reversing gear (5) which is meshed with the other end of each of the two grinding rollers (7), the other end of each of the two grinding rollers is also fixedly sleeved with a reversing gear (5) which is meshed with the other end of each of the two grinding rollers, and the two reversing gears (5) are provided with protective covers (29).
5. The crushing and grinding device for calcium carbonate powder production according to claim 2, characterized in that: the device is characterized in that a U-shaped pipe (9) is fixedly mounted on the outer wall of the bottom end of the material gathering funnel (6), the U-shaped pipe (9) is further communicated with a communicating pipe (10) communicated with the supply end of external modified liquid, and an electromagnetic valve is arranged on the communicating pipe (10).
6. The crushing and grinding device for producing calcium carbonate powder according to claim 5, characterized in that: gather still fixed mounting have valve cylinder (11) on the bottom outer wall of material funnel (6), the flexible end of valve cylinder (11) extends to gather in the bottom of material funnel (6) and fixedly connected with push-pull valve (12), push-pull valve (12) slip cap is established gather on the bottom of material funnel (6).
7. The crushing and grinding device for producing calcium carbonate powder according to claim 1, characterized in that: the two inner walls of the two sides of one liquid accumulating tank (13) are provided with lens windows (14) corresponding in position, the lens windows (14) are made of transparent materials and do not prevent infrared rays from penetrating, the inner walls of the two sides of the grinding box (2) are provided with two mounting grooves corresponding in position, the two mounting grooves are internally provided with an infrared transmitting end (15) and an infrared receiving end (16) which are matched with each other, and the infrared transmitting end (15) and the infrared receiving end (16) correspond to the positions of the lens windows (14) on the two sides.
8. The crushing and grinding device for producing calcium carbonate powder according to claim 1, characterized in that: arc-shaped eccentric blocks (17) located at the same height are fixedly mounted on the outer walls of the two grinding rollers (7), the two arc-shaped eccentric blocks (17) and the grinding rollers (7) on the corresponding sides are arranged in a non-coaxial mode, a plurality of friction grooves (18) which are horizontally arranged are formed in the two arc-shaped eccentric blocks (17), and the minimum distance between the two arc-shaped eccentric blocks (17) and the liquid accumulation grooves (13) on the corresponding sides is matched with the distance between the two adjacent modification chambers (3).
9. The crushing and grinding device for producing calcium carbonate powder according to claim 1, characterized in that: a plurality of modified chamber (23) have all been seted up in modified room (3), and all install gravity center piece (24), and a plurality of gravity center piece (24) are located the correspondence respectively one side of modified chamber (23), and are used for making the correspondence respectively modified room (3) keep the vertical state, and a plurality of modified chamber (23) all are located two when being located the highest position grinding roller (7) between.
10. The crushing and grinding device for producing calcium carbonate powder according to claim 3, characterized in that: shearing shafts (25) are rotatably mounted in the plurality of modification chambers (3), the plurality of spiral modification paddles (26) are respectively and fixedly mounted on the corresponding shearing shafts (25), one ends of the plurality of shearing shafts (25) respectively penetrate through the corresponding rotating connecting rods (22) and are rotatably mounted on the same central gear (28), the plurality of driven gears (27) are respectively and fixedly sleeved on one ends of the corresponding shearing shafts (25), the central gear (28) is fixedly mounted at the bottom end of the grinding box (2) and is sleeved on the rotating shaft (19), and the plurality of driven gears (27) are all meshed with the central gear (28).
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| CN202210857899.3A CN114985044B (en) | 2022-07-20 | 2022-07-20 | Crushing and grinding device for calcium carbonate powder production |
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| CN114985044B CN114985044B (en) | 2023-06-23 |
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| CN114985044B (en) | 2023-06-23 |
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