CN217527693U - High-activity seed crystal preparation device - Google Patents
High-activity seed crystal preparation device Download PDFInfo
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- CN217527693U CN217527693U CN202221715686.9U CN202221715686U CN217527693U CN 217527693 U CN217527693 U CN 217527693U CN 202221715686 U CN202221715686 U CN 202221715686U CN 217527693 U CN217527693 U CN 217527693U
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Abstract
The utility model relates to an aluminium hydroxide miropowder production facility field specifically is a high active seed crystal preparation facilities. A high-activity seed crystal preparation device comprises a sand mill, wherein the sand mill comprises a shell, a rotary drum is arranged in the middle of the sand mill, a rotary shaft is arranged at the top of the rotary drum, a plurality of movable rod pins are arranged on the outer wall of the rotary drum, a plurality of static rod pins are arranged on the inner wall of the shell, a sand milling discharge pipe is arranged at the top of the sand mill, the sand milling discharge pipe is connected with the top of a storage tank, a sand milling feed pipe is arranged at the bottom of the sand mill, the sand milling feed pipe is connected with the bottom of the storage tank, a pipeline pump is arranged on the sand milling feed pipe, and filter screens are arranged at the position of the sand milling discharge pipe and the position of the sand milling feed pipe; a stirring paddle is arranged in the material storage tank and is driven to rotate by a stirring motor; the bottom of the storage tank is also provided with a finished product discharge hole. The high-probability ideal seed crystal preparation device can improve the seed crystal grinding efficiency on the premise of improving the activity of the seed crystal.
Description
Technical Field
The utility model relates to an aluminium hydroxide miropowder production facility field specifically is a high activity seed crystal preparation facilities.
Background
In the production of the aluminum hydroxide micropowder, aluminum hydroxide seed crystals are added into a sodium aluminate solution for seed precipitation reaction to decompose the aluminum hydroxide seed crystals, and the parameters of the seed precipitation reaction are controlled to separate out the aluminum hydroxide crystals. The activity of the seed crystal can influence the quality of the precipitated product, the more active seed crystal can adsorb more crystal grains, and more aluminum hydroxide crystals are precipitated after stirring treatment. In the production of the company, most of aluminum hydroxide crystal seeds are purchased externally, and the purchased aluminum hydroxide crystal seeds have larger granularity, smaller surface area and lower crystal seed activity and cannot be directly applied. In the prior art, the seed crystal is directly placed in a sand mill for grinding, and after the seed crystal is ground for a proper time, the seed crystal is discharged from the sand mill. The grinding efficiency is low due to the small capacity of the sand mill.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a high activity seed crystal preparation facilities, this kind of seed crystal preparation facilities can improve the seed crystal and grind efficiency under the active prerequisite of improvement seed crystal.
In order to solve the prior art problem, the utility model discloses a high activity seed crystal preparation facilities, including the sand mill, the sand mill includes the casing, the sand mill middle part is provided with the rotary drum, the top of rotary drum is provided with the pivot, the pivot is driven through the sanding motor and is rotated, the diameter of rotary drum is less than the internal diameter of sand mill casing, it has a plurality of sand grinding balls to fill between casing and the rotary drum, be provided with a plurality of movable excellent pins on the outer wall of rotary drum, be provided with a plurality of quiet excellent pins on the casing inner wall, be provided with the sanding discharging pipe at the sand mill top, sanding discharging pipe and storage tank top are connected, are provided with the sanding inlet pipe at the sand mill bottom, sanding inlet pipe and storage tank bottom are connected, be provided with the tubing pump on the sanding, be provided with the filter screen at discharging pipe position and sanding inlet pipe position;
a stirring paddle is arranged in the material storage tank and is driven to rotate by a stirring motor; the bottom of the storage tank is also provided with a finished product discharge hole.
Preferably, the bottom of the drum is spaced from the bottom of the housing.
Preferably, be provided with the adjusting valve on the sanding discharging pipe.
Preferably, the periphery of the rotating shaft at the top of the sand mill shell is provided with a mechanical sealing device.
Preferably, the diameter of the filter hole of the filter screen at the position of the sanding discharge pipe is smaller than the diameter of a sanding ball in the sanding machine.
Preferably, the movable rod pin and the static rod pin are arranged in a staggered mode.
The utility model discloses a use method does: squeeze into the seed crystal that needs activation at the storage tank, storage tank bottom and sanding inlet pipe pass through the tubing pump and connect, then the tubing pump will need activated seed crystal pump to go into the sand mill and grind. Have a plurality of sand grinding balls among the sand mill, can be with continuous levigation of seed crystal, owing to have the seed crystal material to enter into the sand mill constantly, consequently, also have the seed crystal material constantly to flow from the sanding discharging pipe at sand mill top and enter into the storage tank, the seed crystal material is constantly at storage tank and sand mill mesocycle, after the sample detection seed crystal granularity reaches the standard, the deenergization, make the seed crystal material that grinds well discharge from the finished product discharging port department of storage tank bottom.
The beneficial effects of the utility model reside in that: 1. the seed crystal material grinding machine has the advantages that the storage tank is additionally arranged, so that the seed crystal material is circularly ground back and forth between the storage tank and the sand grinding machine, the seed crystal activation quantity is greatly increased, and the grinding efficiency is improved. 2. Be provided with in the sand mill and move excellent round pin and quiet excellent round pin, and move the crisscross setting of excellent round pin and quiet excellent round pin, along with the continuous rotation of rotary drum, move the excellent round pin and constantly rotate, and form the shearing force between the quiet excellent round pin, make the seed crystal material in the sand mill constantly suffer the shearing action, compare with the mode that uses the sanding ball continuously to grind simply, sanding efficiency is higher. 3. Be provided with the filter screen in sand mill sanding discharging pipe position department, the diameter of filter screen is less than 0.2mm, and the diameter of sand milling ball is the 2mm for the general minimum, the particle diameter of seed crystal is at tens microns, consequently, along with sand mill sanding inlet pipe is constantly gone into the seed crystal material, the seed crystal material of sanding discharging pipe department is by continuous top into in the storage tank, and the sand milling ball is then blockked by the filter screen, stays constantly to grind the seed crystal in the sand mill.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals are as follows:
1. a sand mill; 2. a housing; 3. a rotating drum; 4. a rotating shaft; 5. a sanding motor; 6. a movable rod pin; 7. a stationary bar pin; 8. sanding the discharge pipe; 9. a filter screen; 10. a material storage tank; 11. sanding the feed pipe; 12. a pipeline pump; 13. a stirring paddle; 14. a stirring motor; 15. discharging a finished product; 16. a mechanical seal device; 17. and adjusting the valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A high-activity seed crystal preparation device comprises a sand mill 1, wherein the sand mill 1 comprises a shell 2, a rotary drum 3 is arranged in the middle of the sand mill 1, a rotary shaft 4 is arranged at the top of the rotary drum 3, the rotary shaft 4 is driven to rotate by a sanding motor 5, the diameter of the rotary drum 3 is smaller than the inner diameter of the shell 2 of the sand mill 1, a plurality of sanding balls are filled between the shell 2 and the rotary drum 3, a plurality of movable rod pins 6 are arranged on the outer wall of the rotary drum 3, a plurality of static rod pins 7 are arranged on the inner wall of the shell 2, a sanding discharge pipe 8 is arranged at the top of the sand mill 1, the sanding discharge pipe 8 is connected with the top of a storage tank 10, a sanding pipe 11 is arranged at the bottom of the sand mill 1, the sanding feed pipe 11 is connected with the bottom of the storage tank 10, a pipe pump 12 is arranged on the sanding pipe 11, and a filter screen 9 is arranged at the position of the sanding discharge pipe 8 and the position of the sanding pipe 11;
a stirring paddle 13 is arranged in the material storage tank 10, and the stirring paddle 13 is driven by a stirring motor 14 to rotate; the bottom of the material storage tank 10 is also provided with a finished product discharge port 15.
The bottom of the rotary drum 3 and the bottom of the shell 2 are separated by a distance, the sanding discharge pipe 8 is provided with an adjusting valve 17, and the periphery of the top rotating shaft 4 of the shell 2 of the sanding machine 1 is provided with a mechanical sealing device 16.
The diameter of the filter hole of the filter screen 9 at the position of the sanding discharge pipe 8 is smaller than that of a sanding ball in the sand mill 1, and the movable rod pin 6 and the static rod pin 7 are arranged in a staggered mode.
The utility model discloses a use method does: seed crystals to be activated are pumped into the storage tank 10, the bottom of the storage tank 10 is connected with the sanding feed pipe 11 through the pipeline pump 12, and then the pipeline pump 12 pumps the seed crystals to be activated into the sand mill 1 for grinding. Have a plurality of sand milling balls in the sand mill 1, can be with continuous levigation of seed crystal, because there is the seed crystal material to enter into the sand mill 1 constantly, consequently, also have the seed crystal material constantly to flow from the sanding discharging pipe 8 at sand mill 1 top and enter into storage tank 10, the seed crystal material is constantly at storage tank 10 and sand mill 1 mesocycle, after the sample test seed crystal granularity reaches the standard, the power supply is cut off, make the seed crystal material that grinds well discharge from the finished product discharge gate 16 department of storage tank 10 bottom discharge.
The beneficial effects of the utility model reside in that: 1. the storage tank 10 is added, so that the seed crystal material is circularly ground back and forth between the storage tank 10 and the sand mill 1, the seed crystal activation amount is greatly increased, and the grinding efficiency is improved. 2. Be provided with in sand mill 1 and move excellent round pin 6 and quiet excellent round pin 7, and move the crisscross setting of excellent round pin 6 and quiet excellent round pin 7, along with the continuous rotation of rotary drum 3, move excellent round pin 6 and constantly rotate, and quiet excellent round pin 7 between form the shearing force, make the seed crystal material in sand mill 1 constantly suffer the shearing action, compare with the mode that uses the continuous grinding of sanding ball alone, sanding efficiency is higher. 3. Be provided with filter screen 9 in 1 sanding discharging pipe 8 of sand mill and 11 positions of sanding inlet pipe, the diameter of filter screen 9 is less than 0.2mm, and the diameter of sand mill ball is 2mm for the general minimum, the particle diameter of seed crystal is at tens of microns, consequently, along with 1 sanding inlet pipe 11 continuous pumping seed crystal material into of sand mill, the seed crystal material of 8 departments of sanding discharging pipe is gone into in storage tank 10 by continuous top, and the sand mill ball is then blockked by filter screen 9, constantly grinds the seed crystal in remaining 1 of sand mill.
In the utility model, the seed crystal material is the form of thick liquids, and wherein solid content is 30%, therefore it can be smooth be promoted by tubing pump 12 and move ahead, circulate between sand mill 1 and storage tank 10. The sand grinding discharge pipe 8 is provided with an adjusting valve 17, so that the discharge speed of the sand grinding machine 1 can be adjusted.
The grain size of the ground crystal is reduced from dozens of microns to about 1 micron, and one original crystal seed is dispersed into a plurality of crystal seeds, so that the crystal seeds are increased in quantity, and more crystal grains can be adsorbed and gathered on the surface of the crystal seed during seed precipitation reaction; the surface of the seed crystal becomes uneven, so that the surface area is increased, and more positions where the precipitated crystal grains can be attached are provided during seed precipitation reaction; meanwhile, as the sand mill 1 generates a large amount of heat during continuous friction, the temperature of the seed crystal is increased, which is also beneficial to improving the capability of the seed crystal to agglomerate. By the measures, the activity of the seed crystal is improved, and more aluminum hydroxide crystals can be separated out in a shorter time during seed precipitation reaction.
In the present invention, the rotating shaft 4 of the sand mill 1 and the stirring paddle 13 of the storage tank 10 should be connected to the respective motor via the speed reducer, and the speed reducer is not drawn for the sake of simplicity.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. A high activity seed crystal preparation facilities, includes the sand mill, the sand mill includes the casing, its characterized in that: the middle part of the sand mill is provided with a rotary drum, the top of the rotary drum is provided with a rotary shaft, the rotary shaft is driven to rotate by a sand mill motor, the diameter of the rotary drum is smaller than the inner diameter of the shell of the sand mill, a plurality of sand milling balls are filled between the shell and the rotary drum, a plurality of movable rod pins are arranged on the outer wall of the rotary drum, a plurality of static rod pins are arranged on the inner wall of the shell, a sand mill discharging pipe is arranged at the top of the sand mill and connected with the top of a storage tank, a sand mill feeding pipe is arranged at the bottom of the sand mill and connected with the bottom of the storage tank, a pipeline pump is arranged on the sand mill feeding pipe, and filter screens are arranged at the position of the sand mill discharging pipe and the position of the sand mill feeding pipe;
a stirring paddle is arranged in the material storage tank and is driven to rotate by a stirring motor; the bottom of the storage tank is also provided with a finished product discharge hole.
2. The high activity seed crystal preparation apparatus according to claim 1, wherein: the bottom of the drum is spaced from the bottom of the housing.
3. The high activity seed crystal preparation apparatus according to claim 2, wherein: and the sanding discharge pipe is provided with an adjusting valve.
4. The high activity seed crystal preparation apparatus according to claim 1, wherein: and a mechanical sealing device is arranged on the periphery of the rotating shaft at the top of the sand mill shell.
5. The high activity seed crystal preparation apparatus according to claim 1, wherein: the diameter of the filter hole of the filter screen at the position of the sanding discharge pipe is smaller than the diameter of a sanding ball in the sanding machine.
6. The high-activity seed crystal production apparatus according to claim 1, wherein: the movable rod pins and the static rod pins are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221715686.9U CN217527693U (en) | 2022-07-06 | 2022-07-06 | High-activity seed crystal preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221715686.9U CN217527693U (en) | 2022-07-06 | 2022-07-06 | High-activity seed crystal preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217527693U true CN217527693U (en) | 2022-10-04 |
Family
ID=83420900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221715686.9U Active CN217527693U (en) | 2022-07-06 | 2022-07-06 | High-activity seed crystal preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217527693U (en) |
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2022
- 2022-07-06 CN CN202221715686.9U patent/CN217527693U/en active Active
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