CN216094128U - Nano calcium carbonate powder dispersion depolymerization system - Google Patents
Nano calcium carbonate powder dispersion depolymerization system Download PDFInfo
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- CN216094128U CN216094128U CN202122459243.XU CN202122459243U CN216094128U CN 216094128 U CN216094128 U CN 216094128U CN 202122459243 U CN202122459243 U CN 202122459243U CN 216094128 U CN216094128 U CN 216094128U
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- vibrating screen
- calcium carbonate
- carbonate powder
- stage classifier
- nano calcium
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 104
- 239000000843 powder Substances 0.000 title claims abstract description 67
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 52
- 239000006185 dispersion Substances 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 66
- 238000007599 discharging Methods 0.000 claims description 13
- 150000002500 ions Chemical class 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000002245 particle Substances 0.000 abstract description 7
- 239000007795 chemical reaction product Substances 0.000 abstract description 4
- 238000000227 grinding Methods 0.000 description 6
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Abstract
The utility model discloses a nano calcium carbonate powder dispersion depolymerization system, which relates to the technical field of powder dispersion depolymerization, and comprises a cyclone mill, a cyclone collector, a pulse dust collector, a fan and a spiral conveyer, wherein a classifier is also arranged between the cyclone mill and the cyclone collector and consists of a first-stage classifier and a second-stage classifier, a discharge port of the cyclone mill is connected with a feed end of the first-stage classifier, an upper discharge port of the first-stage classifier is connected with a feed end of the second-stage classifier, and an upper discharge port of the second-stage classifier is connected with a feed port of the cyclone collector. According to the utility model, the first-stage classifier and the second-stage classifier are arranged to form a multi-classification unit, so that the nano calcium carbonate powder which is large in particle size and has depolymerization performance which does not meet the use requirements of middle and high-end products is treated in a multi-stage and step-by-step manner, and the production efficiency and stability of the nano calcium carbonate powder are further improved.
Description
Technical Field
The utility model relates to the technical field of powder dispersion depolymerization, in particular to a nano calcium carbonate powder dispersion depolymerization system.
Background
The nano calcium carbonate powder is widely applied to the industries of rubber, plastics, papermaking, chemical building materials, printing ink, coating, sealant, adhesive and the like. The nano calcium carbonate is also called as superfine calcium carbonate, because the surface area of the superfine powder is larger, the surface energy is higher, powder particles can attract each other, and powder agglomeration is easily caused, so that the performance of a product is seriously influenced, and therefore, the dispersion problem becomes a key core technology in the research of the superfine powder more and more.
In order to solve the problem that the nano calcium carbonate powder is easy to agglomerate, the powder depolymerizing device in the prior art is prepared by the following steps: grinding and depolymerizing the nano calcium carbonate dried and crushed by a flash drying crusher in the prior art by a cyclone mill, and then feeding the nano calcium carbonate into a cyclone collector under the negative pressure condition formed by a fan, so that the nano calcium carbonate powder obtained after exhausting the air by the cyclone collector can be conveyed to a powder packaging unit for packaging;
in order to ensure the use stability of the nano calcium carbonate powder in the prior art, the single-group classifier is used for returning the nano calcium carbonate powder which has large particle size and does not meet the use requirements of middle-high-end products to a cyclone mill for continuous grinding by utilizing the principles of vortex and air rectification before the powder enters a cyclone collector, so that the use stability of the nano calcium carbonate powder can be further ensured, but the single-group classifier cannot meet the production requirements of high yield, high efficiency and high precision of the superfine powder. The classifier concentrates the powder volume of backward flow processing great, singly organize and carry out once hierarchical must have the big putty of powder volume, and classification efficiency is not high, and the powder material is difficult to the problem of in time discharging, and the machine fault rate also improves greatly, for this reason, we provide a nanometer calcium carbonate powder dispersion depolymerization system.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a nano calcium carbonate powder dispersion depolymerization system, which is used for solving the problems of multi-stage treatment of nano calcium carbonate powder and further improvement of the production efficiency and stability of the nano calcium carbonate powder.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a nanometer calcium carbonate powder dispersion depolymerization system, includes cyclone mill, whirlwind loading head, pulse dust collector, fan and screw conveyer, still be provided with the grader between cyclone mill and the whirlwind loading head, and the grader comprises first order grader and second level grader, the bin outlet of cyclone mill links to each other with the pan feeding end of first order grader, the top discharge mouth of first order grader links to each other with the pan feeding end of second level grader, the top discharge mouth of second level grader links to each other with the feed inlet of whirlwind loading head, the lower discharge mouth of first order grader and second level grader all links to each other with screw conveyer's second material import.
Preferably, a first material vibrating screen is arranged between the first-stage classifier and the screw conveyor, and a feeding port and a discharging port of the first material vibrating screen are respectively connected with a lower discharging port of the first-stage classifier and a second material inlet of the screw conveyor;
and a second material vibrating screen is arranged between the second-stage classifier and the screw conveyer, and a feeding port and a discharging port of the second material vibrating screen are respectively connected with a lower discharging port of the second-stage classifier and a second material inlet of the screw conveyer.
Preferably, a feed back port of the first material vibrating screen is connected with a feed end of the first-stage classifier;
and a feed back port of the second material vibrating screen is connected with a feeding end of the second-stage classifier.
Preferably, the first material vibrating screen and the second material vibrating screen are laterally provided with negative ion air guns which blow air into the first material vibrating screen and the second material vibrating screen respectively.
Preferably, the material return port of the first material vibrating screen and the material return port of the second material vibrating screen are both provided with air blowers.
(III) advantageous effects
The utility model provides a nano calcium carbonate powder dispersion depolymerization system, which has the following beneficial effects:
(1) the utility model forms a multi-grading unit by arranging the first-stage grader and the second-stage grader, performs multi-stage grading treatment on the nano calcium carbonate powder with large particle size and depolymerization performance which does not meet the use requirement of middle and high-end products, and divides the nano calcium carbonate powder by multiple routes, so that the stability of the production and circulation of the nano calcium carbonate powder can be further ensured.
(2) According to the utility model, the first material vibrating screen and the second material vibrating screen are arranged, the nano calcium carbonate powder which has large grain size and does not meet the requirements after classification and reflows is discharged by adopting vibrating power, the smoothness and the continuity of material discharging are enhanced, material blockage is avoided, the nano calcium carbonate powder has impact and impact effects in the vibrating process, a good dispersion depolymerization effect is achieved, repeated grinding after partial nano calcium carbonate powder which meets the grain size requirements and has good depolymerization performance is incompletely collected is avoided, and the nano calcium carbonate powder which is incompletely collected can be reflowed to a corresponding classifier again to be classified and collected by combining with a feed back port design.
(3) The negative ion air gun is arranged, and the air flow impact of the negative ion air gun is utilized to accelerate the dispersion and depolymerization of the nano calcium carbonate powder, so that the collection is convenient, and the collection and production efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a cyclone mill; 2. a cyclone collector; 3. a pulse dust collector; 4. a fan; 5. a screw conveyor; 61. a first stage classifier; 62. a second stage classifier; 71. a first material vibrating screen; 72. vibrating the second material for screening; 8. a negative ion wind gun; 9. an air seal machinery.
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.
As shown in fig. 1, the present invention provides a technical solution: a nano calcium carbonate powder dispersion depolymerization system comprises a cyclone mill 1, a cyclone collector 2, a pulse dust collector 3, a fan 4 and a screw conveyor 5, wherein a feed inlet of the cyclone collector 2 is connected with a discharge outlet of the cyclone mill 1, an air outlet of the cyclone collector 2 is connected with an air inlet of the pulse dust collector 3, an air outlet of the pulse dust collector 3 is connected with an air inlet of the fan 4, and a feed inlet of the cyclone mill 1 is fed by a material outlet of the screw conveyor 5;
a classifier is also arranged between the cyclone mill 1 and the cyclone collector 2 and consists of a first-stage classifier 61 and a second-stage classifier 62, the discharge outlet of the cyclone mill 1 is connected with the feeding end of the first-stage classifier 61, the upper discharge outlet of the first-stage classifier 61 is connected with the feeding end of the second-stage classifier 62, the upper discharge outlet of the second-stage classifier 62 is connected with the feeding inlet of the cyclone collector 2, and the lower discharge outlets of the first-stage classifier 61 and the second-stage classifier 62 are both connected with the second material inlet of the spiral conveyor 5;
the nano calcium carbonate powder with large particle size and the depolymerization performance which do not meet the use requirement of middle and high-end products is classified and circulated in two stages by a first-stage classifier 61 and a second-stage classifier 62 according to the particle size range, so that the nano calcium carbonate powder with large particle size returns to the cyclone mill 1 from the corresponding classifiers in two stages respectively for continuous grinding, and the nano calcium carbonate powder meeting the requirement is collected by a cyclone collector 2 through the first-stage classifier 61 and the second-stage classifier 62.
As a technical optimization scheme of the utility model, the production efficiency and the stability of the nano calcium carbonate powder are further improved, the first material vibrating screen 71 is arranged between the first-stage classifier 61 and the screw conveyor 5, which is helpful for solving the problems of large powder amount, material blockage, low classification efficiency and difficult timely discharge of powder materials, a feeding port and a discharging port of the first material vibrating screen 71 are respectively connected with a discharging port of the first-stage classifier 61 and a second material inlet of the screw conveyor 5, the nano calcium carbonate powder classified and discharged by the first-stage classifier 61 is subjected to vibrating continuous discharging through the first material vibrating screen 71, the circulation efficiency and the circulation smoothness are improved, the re-grinding is convenient, meanwhile, the nano calcium carbonate powder which meets the collection requirements and is incompletely collected is subjected to dispersion and depolymerization and re-flow under the vibrating action, the high yield and high efficiency of the ultrafine powder are met, high precision production requirements;
set up second material shale shaker 72 between second grade grader 62 and screw conveyer 5, help solving the big putty of powder volume, classification efficiency is not high, the powder material is difficult to the problem of in time discharge, the pan feeding mouth and the bin outlet of second material shale shaker 72 link to each other with the bottom outlet of second grade grader 62 and the second material import of screw conveyer 5 respectively, carry out the vibration continuous unloading to the nano calcium carbonate powder of the hierarchical blanking of second grade grader 62 through second material shale shaker 72, improve circulation efficiency and unobstructed nature of circulation, conveniently grind again, make simultaneously under the vibration effect to accord with the collection requirement and collect the incomplete nano calcium carbonate powder dispersion and depolymerize back again, satisfy superfine powder high yield, high efficiency, high accurate production requirement.
As a technical optimization scheme of the utility model, the production efficiency and the stability of the nano calcium carbonate powder are further improved, the feed back port of the first material vibrating screen 71 is connected with the feed inlet end of the first-stage classifier 61, and the incompletely collected nano calcium carbonate powder in the first-stage classifier 61 is transitionally introduced into the first-stage classifier 61 through the feed back port of the first material vibrating screen 71 and is subjected to graded collection after being refluxed again;
the feed back port of the second material vibrating screen 72 is connected with the feeding end of the second-stage classifier 62, incomplete nano calcium carbonate powder collected in the second-stage classifier 62 is guided into the second-stage classifier 62 through the feed back port of the second material vibrating screen 72 in a transitional manner and is subjected to classification collection after being reflowed again, the nano calcium carbonate powder is shunted by multiple paths, the problem of circulation blockage is reduced, the grinding burden of the cyclone mill 1 is reduced, and the machine failure rate is reduced.
As a technical optimization scheme of the utility model, the production efficiency and stability of the nano calcium carbonate powder are further improved, the negative ion air guns 8 are arranged on the lateral sides of the first material vibrating screen 71 and the second material vibrating screen 72, strong wind power is generated by the negative ion air guns 8, so that clean compressed air is ejected from air nozzles at high speed and is respectively blown into the first material vibrating screen 71 and the second material vibrating screen 72, the dispersion and depolymerization of the nano calcium carbonate powder are accelerated by using the air flow impact of the negative ion air guns 8, the collection and the production efficiency are improved, and the collection and the production efficiency are improved.
As a technical optimization scheme of the utility model, the air-related devices 9 are arranged at the feed back port of the first material vibrating screen 71 and the feed back port of the second material vibrating screen 72, and the air-related devices 9 are also arranged at the cyclone collector 2, the first-stage classifier 61 and the second-stage classifier 62.
In conclusion, the problems of multi-stage treatment of the nano calcium carbonate powder and further improvement of the production efficiency and stability of the nano calcium carbonate powder are solved by arranging the first-stage classifier 61, the second-stage classifier 62, the first material vibrating screen 71, the second material vibrating screen 72 and the negative ion air gun 8.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a nanometer calcium carbonate powder dispersion depolymerization system, includes cyclone mill (1), whirlwind loading head (2), pulse dust collector (3), fan (4) and screw conveyer (5), its characterized in that: still be provided with the grader between cyclone mill (1) and whirlwind loading head (2), and the grader comprises first order grader (61) and second level grader (62), the bin outlet of cyclone mill (1) links to each other with the pan feeding end of first order grader (61), the top discharge mouth of first order grader (61) links to each other with the pan feeding end of second level grader (62), the top discharge mouth of second level grader (62) links to each other with the feed inlet of whirlwind loading head (2), the lower discharge mouth of first order grader (61) and second level grader (62) all links to each other with the second material import of screw conveyer (5).
2. The nano calcium carbonate powder dispersion depolymerization system according to claim 1, characterized in that: a first material vibrating screen (71) is arranged between the first-stage classifier (61) and the screw conveyor (5), and a feeding port and a discharging port of the first material vibrating screen (71) are respectively connected with a lower discharging port of the first-stage classifier (61) and a second material inlet of the screw conveyor (5);
a second material vibrating screen (72) is arranged between the second-stage classifier (62) and the screw conveyor (5), and a feeding port and a discharging port of the second material vibrating screen (72) are respectively connected with a lower discharging port of the second-stage classifier (62) and a second material inlet of the screw conveyor (5).
3. The nano calcium carbonate powder dispersion depolymerization system according to claim 2, characterized in that: a feed back port of the first material vibrating screen (71) is connected with a feed end of the first-stage classifier (61);
and a feed back port of the second material vibrating screen (72) is connected with a feed end of the second-stage classifier (62).
4. The nano calcium carbonate powder dispersion depolymerization system according to claim 3, characterized in that: and the first material vibrating screen (71) and the second material vibrating screen (72) are laterally provided with negative ion air guns (8) which blow air into the first material vibrating screen (71) and the second material vibrating screen (72) respectively.
5. The nano calcium carbonate powder dispersion depolymerization system according to claim 3, characterized in that: and the material return port of the first material vibrating screen (71) and the material return port of the second material vibrating screen (72) are both provided with a related air blower (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122459243.XU CN216094128U (en) | 2021-10-12 | 2021-10-12 | Nano calcium carbonate powder dispersion depolymerization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122459243.XU CN216094128U (en) | 2021-10-12 | 2021-10-12 | Nano calcium carbonate powder dispersion depolymerization system |
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| CN216094128U true CN216094128U (en) | 2022-03-22 |
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| CN202122459243.XU Expired - Fee Related CN216094128U (en) | 2021-10-12 | 2021-10-12 | Nano calcium carbonate powder dispersion depolymerization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602387A (en) * | 2022-03-24 | 2022-06-10 | 福建省龙德新能源有限公司 | Automatic control method of LiF/anhydrous HF mixed production device |
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2021
- 2021-10-12 CN CN202122459243.XU patent/CN216094128U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602387A (en) * | 2022-03-24 | 2022-06-10 | 福建省龙德新能源有限公司 | Automatic control method of LiF/anhydrous HF mixed production device |
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Granted publication date: 20220322 |