CN213032637U

CN213032637U - Calcium carbonate fine powder grading plant

Info

Publication number: CN213032637U
Application number: CN202021332895.6U
Authority: CN
Inventors: 聂雨
Original assignee: Yongfeng Guangrun Chemical Co ltd
Current assignee: Yongfeng Guangrun Chemical Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-23
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a calcium carbonate farine grading plant, including grader, vacuum device, crushing structure, centrifugal structure and material returning device, the top of grader is run through and is installed vacuum device, the inside of grader is fixed with crushing structure and centrifugal structure, and centrifugal structure is located crushing structure's below, have first screen cloth and second screen cloth through the bolt fastening on the inner wall of grader, and the second screen cloth is located the below of first screen cloth, vacuum device's internally mounted has negative-pressure air fan, and negative-pressure air fan's below is run through the grader and is installed the negative pressure pipeline. The utility model discloses an install vacuum device, can provide depressurized environment for the grader is inside, and then make the inside wind-force that forms of grader attract, make the inside calcium carbonate farine of grader to rise and accomplish corresponding screening work.

Description

Calcium carbonate fine powder grading plant

Technical Field

The utility model relates to a grading plant technical field specifically is a calcium carbonate farine grading plant.

Background

The calcium carbonate fine powder, also called ground calcium carbonate powder, can be filled in rubber in a large amount, so that the volume of the product is increased, and the use amount of natural rubber is reduced, thereby reducing the production cost; in the construction industry, the calcium carbonate fine powder can reduce the production cost of concrete and can also increase the toughness and strength of the concrete; in the plastic industry, calcium carbonate can play a skeleton role in plastic products, has a great effect on the dimensional stability of the plastic products, can also improve the hardness of the products, and improve the gloss and the flatness of the plastic products, and the application of calcium carbonate fine powder with different particle sizes is greatly different, so that the classification and screening of the calcium carbonate fine powder is very necessary.

The existing device has the defects that: when the existing grading device carries out grading treatment, the gravity of calcium carbonate is generally utilized, and a screening and grading treatment flow from top to bottom is used, so that a certain grading screening purpose can be achieved, the blockage of calcium carbonate fine powder in a screen is easily caused, the screening and grading work can be continuously carried out due to the lack of subsequent power, and the efficiency of the grading screening work in the device is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calcium carbonate farine grading plant to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a calcium carbonate farine grading plant, includes grader, negative pressure device, crushing structure, centrifugal structure and returning charge device, the top of grader is run through and is installed negative pressure device, the inside of grader is fixed with crushing structure and centrifugal structure, and centrifugal structure is located crushing structure's below, there are first screen cloth and second screen cloth through the bolt fastening on the inner wall of grader, and the second screen cloth is located the below of first screen cloth, negative pressure device's internally mounted has negative pressure fan, and negative pressure fan's below runs through the grader and installs the negative pressure pipeline.

Preferably, the feed inlet is installed in the top welding of grader, and the feed inlet is located negative-pressure air fan's rear, run through respectively on the both sides outer wall of grader and install the discharge gate, and the discharge gate is located the below of second discharging pipe, vibrating motor is installed to the bottom of grader, the front of grader is fixed with the controller.

Preferably, the crushing rod is installed in the crushing structure through a bearing, dust baffles are fixed on the outer walls of the two sides of the crushing structure through bolts and are located below the negative pressure pipeline.

Preferably, driving motor is installed to centrifugal structure's bottom, and driving motor's output runs through centrifugal structure and is connected with the carousel, and the top of carousel is installed the centrifugation bucket.

Preferably, one side of the first screen is provided with a first discharge pipe through the outer walls of the two sides of the classifier via a hose, and the bottom of the first discharge pipe is provided with a control valve.

Preferably, two sides of the second screen mesh penetrate through the outer walls of two sides of the classifier through hoses and are provided with second discharge pipes, and the bottom of each second discharge pipe is provided with a control valve.

Preferably, a rotating motor is installed above the material returning device through a shaft rod, the output end of the rotating motor is connected with a material returning pipe, a material returning groove is installed at the bottom of the material returning pipe in an extending mode, and the material returning groove is located on one side of the controller.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in install the negative pressure device, negative pressure fan and negative pressure pipeline are installed in proper order to the device inside, the negative pressure device can provide negative pressure environment for the grader inside, and then make the grader inside form wind-force and attract, promote the calcium carbonate fine powder in the grader inside to rise and accomplish corresponding screening work, wherein negative pressure fan passes through the fast rotation of inside flabellum, and then produce the air current motion, promote the negative pressure state that appears in the negative pressure device inside, and then promote the calcium carbonate fine powder that the grader bottom was come out via centrifugal separation of centrifugal structure to rise, and loop through second screen cloth and first screen cloth and accomplish screening classification; the negative pressure pipeline can connect the negative pressure environment generated in the negative pressure fan in the classifier in a penetrating way, thereby providing necessary power support for the rising of the calcium carbonate fine powder.

Furthermore, the utility model discloses in still install centrifugal structure, device internally mounted has centrifugal bucket and carousel and driving motor, centrifugal structure is at the during operation, driving motor drives the carousel and rotates, thereby the carousel drives the rotation of centrifugal bucket, and then make the inside calcium carbonate granule after shredding of centrifugal bucket can carry out centrifugal treatment, and then leave broken incomplete calcium carbonate granule inside the centrifugal bucket and through pipeline transport to the returning charge device in, make it can carry out the regrinding, the grading efficiency that assurance device carries out classification to calcium carbonate farine.

Drawings

Fig. 1 is an overall sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front structural view of the present invention.

In the figure: 1. a classifier; 101. a feed inlet; 102. a discharge port; 103. a vibration motor; 104. a controller; 2. a negative pressure device; 201. a negative pressure fan; 202. a negative pressure pipeline; 3. a crushing structure; 301. crushing the stems; 302. a dust guard; 4. a centrifugal structure; 401. a turntable; 402. a centrifuge bucket; 403. a drive motor; 5. a first screen; 501. a first discharge pipe; 6. a second screen; 601. a second discharge pipe; 7. a material returning device; 701. a rotating electric machine; 702. a material returning pipe; 703. and a material returning groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a calcium carbonate fine powder grading device comprises a grader 1, a negative pressure device 2, a crushing structure 3, a centrifugal structure 4 and a material returning device 7, wherein the negative pressure device 2 is installed above the grader 1 in a penetrating mode, the negative pressure device 2 can provide a negative pressure environment for the interior of the grader 1, then wind attraction is formed inside the grader 1, calcium carbonate subdivision inside the grader 1 is promoted to ascend, and corresponding screening work is completed, the crushing structure 3 and the centrifugal structure 4 are fixed inside the grader 1, the centrifugal structure 4 is located below the crushing structure 3, the crushing structure 3 can crush calcium carbonate solids entering the interior of the grader 1 to enable the calcium carbonate solids to become calcium carbonate fine powder, and therefore the device can conduct screening of the calcium carbonate fine powder and conduct early-stage pretreatment work; the centrifugal structure 4 can carry out centrifugal treatment on the calcium carbonate fine powder after the grinding treatment, the calcium carbonate with larger particles and lower grinding degree is retained by utilizing the difference of centrifugal acting forces of the fine powder with different weights when the fine powder rotates, and enters the grinding structure 3 again through the material returning device 7, so that the calcium carbonate is more fully ground, the grinding efficiency and the grading effect of the device are improved, the inner wall of the grader 1 is fixedly provided with the first screen 5 and the second screen 6 through bolts, the second screen 6 is positioned below the first screen 5, the aperture of the first screen 5 is smaller than that of the second screen 6, therefore, the second screen 6 can be used for screening relatively larger particles in the ground calcium carbonate fine powder, the first screen 5 can be used for screening relatively smaller particles in the ground calcium carbonate fine powder, and the grading screening treatment of the calcium carbonate fine powder by the device is completed, the inside of the negative pressure device 2 is provided with a negative pressure fan 201, the negative pressure fan 201 rotates rapidly through internal fan blades to generate airflow movement, the inside of the negative pressure device 2 is enabled to be in a negative pressure state, calcium carbonate fine powder centrifugally separated from the bottom of the classifier 1 through the centrifugal structure 4 is enabled to rise, screening and classification are completed sequentially through the second screen 6 and the first screen 5, a negative pressure pipeline 202 is arranged below the negative pressure fan 201 in a penetrating mode through the classifier 1, the negative pressure pipeline 202 can connect a negative pressure environment generated in the negative pressure fan 201 inside the classifier 1 in a penetrating mode, and necessary power support is provided for rising of the calcium carbonate fine powder.

Further, a feeding hole 101 is welded and installed above the classifier 1, the feeding hole 101 is located behind the negative pressure fan 201, the outer walls of two sides of the classifier 1 are respectively provided with a discharging hole 102 in a penetrating mode, the discharging hole 102 is located below the second discharging pipe 601, the bottom of the classifier 1 is provided with a vibrating motor 103, the front of the classifier 1 is fixedly provided with a controller 104, and the feeding hole 101 can provide an inlet for calcium carbonate solids to be classified to enter the crushing structure 3; the discharge port 102 can discharge particles with larger particle size in the calcium carbonate fine powder intercepted by the second screen 6, thereby finishing the grading pretreatment work of the device; the vibration motor 103 is an XVML75-4 vibration motor, and can convert kinetic energy into mechanical energy, so that the first screen 5 and the second screen 6 are driven to vibrate, the blockage of meshes of the first screen 5 and the second screen 6 during screening and grading is avoided, and the smoothness of the screens is ensured; the controller 104 is connected with the internal components of the device through wires, so that the working state of the internal components of the device can be controlled, and the device can be controlled simply and quickly.

Furthermore, a crushing rod 301 is installed inside the crushing structure 3 through a bearing, dust baffles 302 are fixed on the outer walls of two sides of the crushing structure 3 through bolts, the dust baffles 302 are located below the negative pressure pipeline 202, and a plurality of steel crushing blades are welded and installed on the surface of the crushing rod 301, so that when the crushing rod 301 rotates, the blades can be used for crushing calcium carbonate solids which are contacted with the crushing rod to form powdery particles, and screening and grading work is completed; the dust baffle 302 can intercept the rising calcium carbonate fine powder, so that the fine calcium carbonate fine powder is discharged from the interior of the classifier 1 through the first discharge pipe 501 to be collected, and the fine calcium carbonate fine powder can be prevented from entering the interior of the negative pressure fan 201 through the negative pressure pipeline 202 to block the negative pressure fan 201, so that the service life of the negative pressure fan 201 is influenced.

Further, a driving motor 403 is installed at the bottom of the centrifugal structure 4, an output end of the driving motor 403 penetrates through the centrifugal structure 4 and is connected with a turntable 401, a centrifugal barrel 402 is installed above the turntable 401, and the driving motor 403 is a motor with the model of Y90S-2 and can provide power support for centrifugal rotation of the centrifugal structure 4; when the driving motor 403 rotates, the turntable 401 can rotate synchronously to further drive the centrifugal barrel 402 to rotate, so that the calcium carbonate fine powder crushed inside the centrifugal barrel 402 completes primary grading screening work under the centrifugal action.

Further, one side of first screen cloth 5 is installed first discharging pipe 501 through the both sides outer wall that the hose runs through grader 1, and the control valve is installed to the bottom of first discharging pipe 501, and first discharging pipe 501 can provide the passageway for the inside fine particle calcium carbonate fine powder after first screen cloth 5 screens discharges out grader 1 and support.

Further, two sides of the second screen 6 are provided with a second discharge pipe 601 penetrating through the outer walls of two sides of the classifier 1 through hoses, a control valve is arranged at the bottom of the second discharge pipe 601, and the second discharge pipe 601 can provide a channel support for discharging the fine calcium carbonate particles screened by the second screen 6 out of the classifier 1.

Further, a rotating motor 701 is installed above the material returning device 7 through a shaft rod, an output end of the rotating motor 701 is connected with a material returning pipe 702, a material returning groove 703 is installed at the bottom of the material returning pipe 702 in an extending mode, the material returning groove 703 is located on one side of the controller 104, and the model of the rotating motor 701 is a 57BYG250B motor, so that necessary power support can be provided for rotating and feeding the material returning pipe 702; when the return pipe 702 rotates, the incompletely crushed calcium carbonate particles in the return groove 703 which are contacted with the return pipe can be extruded into the return pipe 702, gradually rise along with the rotation of the return pipe 702, and then enter the crushing structure 3 for secondary crushing, so that the calcium carbonate particles are fully crushed; the return material tank 703 is used for receiving the calcium carbonate particles which are not completely crushed in the crushing structure 3, so that the calcium carbonate particles can enter the crushing structure 3 again through the return material pipe 702 to complete secondary crushing.

The working principle is as follows: when the calcium carbonate fine powder classification treatment is carried out by using the device, firstly, calcium carbonate solids to be treated are put into the crushing structure 3 through the feed inlet 101, the calcium carbonate solids are subjected to crushing treatment and then enter the centrifugal structure 4, the crushed calcium carbonate fine powder particles are subjected to primary screening and classification treatment through the centrifugal action, then, the negative pressure device 2 is started, the calcium carbonate fine powder particles subjected to centrifugal screening rise along with wind power and sequentially pass through the first screen 5 and the second screen 6 for screening and classification, so that the device can complete the classification work of the calcium carbonate fine powder, when the device carries out classification work, the calcium carbonate solids which are not completely crushed in the crushing structure 3 enter the crushing structure 3 again through the material returning device 7, and the secondary crushing is carried out, so that the crushing is more thorough, and the classification efficiency of the device is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a calcium carbonate farine grading plant, includes grader (1), negative pressure device (2), crushing structure (3), centrifugal structure (4) and returning charge device (7), its characterized in that: the top of grader (1) is run through and is installed negative pressure device (2), the inside of grader (1) is fixed with crushing structure (3) and centrifugal structure (4), and centrifugal structure (4) are located the below of crushing structure (3), be fixed with first screen cloth (5) and second screen cloth (6) through the bolt on the inner wall of grader (1), and second screen cloth (6) are located the below of first screen cloth (5), the internally mounted of negative pressure device (2) has negative pressure fan (201), and negative pressure pipeline (202) are installed in the below of negative pressure fan (201) through grader (1).

2. The calcium carbonate fine powder classifying device according to claim 1, wherein: feed inlet (101) are installed in the top welding of grader (1), and feed inlet (101) are located the rear of negative-pressure air fan (201), run through respectively on the both sides outer wall of grader (1) and install discharge gate (102), and discharge gate (102) are located the below of second discharging pipe (601), vibrating motor (103) are installed to the bottom of grader (1), the front of grader (1) is fixed with controller (104).

3. The calcium carbonate fine powder classifying device according to claim 1, wherein: crushing pole (301) is installed through the bearing in the inside of crushing structure (3), be fixed with dust board (302) through the bolt on the both sides outer wall of crushing structure (3), and dust board (302) are located the below of negative pressure pipeline (202).

4. The calcium carbonate fine powder classifying device according to claim 1, wherein: driving motor (403) is installed to the bottom of centrifugation structure (4), and the output of driving motor (403) runs through centrifugation structure (4) and is connected with carousel (401), and centrifugation bucket (402) are installed to the top of carousel (401).

5. The calcium carbonate fine powder classifying device according to claim 1, wherein: one side of the first screen (5) is provided with a first discharging pipe (501) by penetrating through the outer walls of two sides of the classifier (1) through a hose, and the bottom of the first discharging pipe (501) is provided with a control valve.

6. The calcium carbonate fine powder classifying device according to claim 1, wherein: two sides of the second screen (6) are provided with a second discharge pipe (601) by penetrating through the outer walls of two sides of the classifier (1) through hoses, and the bottom of the second discharge pipe (601) is provided with a control valve.

7. The calcium carbonate fine powder classifying device according to claim 1, wherein: rotating electrical machines (701) are installed above the material returning devices (7) through shaft rods, the output ends of the rotating electrical machines (701) are connected with material returning pipes (702), material returning grooves (703) are installed at the bottoms of the material returning pipes (702) in an extending mode, and the material returning grooves (703) are located on one side of the controller (104).