Drying device for calcium carbonate production

Abstract

The utility model belongs to the technical field of calcium carbonate production, and particularly relates to a drying device for calcium carbonate production, which comprises a drying tower, a feeding box body, an auger conveyor, a drying mechanism and a turning mechanism, the drying mechanism and the material turning mechanism are both arranged in the drying tower, the drying mechanism is located above the material turning mechanism, and a discharging port is formed in the bottom of the drying tower. According to the utility model, the material overturning mechanism is arranged in the drying tower, so that calcium carbonate to be dried in the drying tower can be effectively overturned, the calcium carbonate can be better and comprehensively dried, uneven drying and poor effect caused by piling are avoided, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of calcium carbonate production, and particularly relates to a drying device for calcium carbonate production. Background Art

[0002] Calcium carbonate is an inorganic compound and is the main component of limestone, marble, etc. Calcium carbonate is basically insoluble in water and soluble in hydrochloric acid. It is one of the common substances on the earth, existing in rocks such as aragonite, calcite, chalk, limestone, marble, travertine, etc., and is also the main component of the bones or shells of some animals. Calcium carbonate is also an important building material and has a wide range of industrial uses.

[0003] The publication number is CN207797683U, and the patent name is a calcium carbonate drying device, which discloses a base, a box body, two air outlets and a power supply device. The box body is fixed above the base, and the box body includes: a box door, at least one water storage box, at least one filter screen, at least two heating pipes and a fan and other technical features. It has the technical characteristics of high drying efficiency, good effect, convenient use and simple operation. However, its defect is that the calcium carbonate is placed on the filter screen in a piled and static state. When drying the calcium carbonate, only the calcium carbonate on the outer surface can be dried better, while the calcium carbonate piled inside or at the bottom cannot be quickly dried, resulting in uneven drying and poor effect. Therefore, based on the above defects, the applicant proposes a better technical solution to solve the above technical problems.

[0004] The information disclosed in this background art section is only intended to increase the understanding of the overall background of the present utility model, and should not be regarded as an admission or any form of suggestion that this information constitutes the prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0005] The utility model provides a drying device for calcium carbonate production, aiming to solve the technical problems pointed out in the above background art.

[0006] To achieve the above purpose, the technical solution of the present utility model is as follows:

[0007] A drying device for calcium carbonate production includes a drying tower, a feeding box body, a screw conveyor, a drying mechanism and a material turning mechanism. The feeding box body and the screw conveyor are respectively arranged on both sides of the drying tower and are communicated with it. The drying mechanism and the material turning mechanism are both arranged in the drying tower, and the drying mechanism is located above the material turning mechanism. An outlet is arranged at the bottom of the drying tower.

[0008] Preferably, the drying mechanism includes an air inlet, a gas collecting ring, and a plurality of air outlet holes. The gas collecting ring is arranged around the upper part inside the drying tower, and the plurality of air outlet holes are connected to the gas collecting ring at intervals. One end of the air inlet is connected to the gas collecting ring, and the other end extends outside the drying tower and is connected to an external gas source.

[0009] Preferably, the material turning mechanism includes two material turning components and a driving component. Two partitions with communication grooves are vertically arranged at intervals inside the drying tower. The two partitions divide the drying tower into two material turning chambers and a discharging chamber, and the discharging chamber is located below the material turning chambers. The two material turning components are respectively rotatably connected in the two material turning chambers, and the driving component is arranged outside the drying tower and is connected to the two material turning components.

[0010] Preferably, the material turning component includes a rotating shaft, a rotating roller, and a plurality of material turning plates. The rotating shaft is rotatably connected in the material turning chamber, the rotating roller is sleeved on the rotating shaft, and the plurality of material turning plates are arranged on the rotating roller at intervals.

[0011] Preferably, the driving component includes a driving motor, a conveyor belt, and transmission wheels. The two rotating shafts on the two material turning components both extend outside the drying tower and are respectively connected with a transmission wheel. The conveyor belt is connected between the two transmission wheels. The driving motor is arranged on the outer side wall of the drying tower through a base, and its output end is connected to one of the rotating shafts.

[0012] Preferably, the feeding box body is arranged on one of the material turning chambers located above, and a first feeding port is arranged between the feeding box body and the material turning chamber. A guiding block is arranged at the bottom of the feeding box body in an inclined manner.

[0013] Preferably, a second feeding port is arranged between one of the material turning chambers located above and the screw conveyor, a guiding port is arranged between the discharging chamber and the screw conveyor, and ventilation grooves are arranged on the screw conveyor.

[0014] Due to the adoption of the above technical solutions, the beneficial effects of the present utility model are as follows:

[0015] 1. The present utility model provides a drying device for calcium carbonate production, which has a simple structure and is easy to use. By arranging a material turning mechanism inside the drying tower, the calcium carbonate to be dried inside can be effectively turned over, so as to better and comprehensively dry the calcium carbonate, avoid stacking, resulting in uneven drying and poor effect, and improve work efficiency.

[0016] 2. In the present utility model, the drying mechanism is provided with a gas collecting ring and a plurality of air outlet holes, which can better uniformly and comprehensively introduce the external heat source into the drying tower to dry the calcium carbonate, and improve the drying efficiency. Description of the Drawings

[0017] Figure 1 is a schematic structural view of the present utility model;

[0018] Figure 2 is a side view of the present utility model;

[0019] Figure 3 is a schematic structural view of the material turning assembly of the present utility model.

[0020] The descriptions of the main element symbols in the figure are as follows:

[0021] 1, drying tower; 11, discharge port; 12, partition board; 121, communication groove; 2, feeding box body; 3, screw conveyor; 4, drying mechanism; 41, air inlet; 42, air collecting ring; 43, air outlet hole; 5, material turning mechanism; 51, material turning assembly; 511, rotating shaft; 512, rotating roller; 513, material turning plate; 52, driving assembly; 521, driving motor; 522, conveyor belt; 523, driving wheel; 6, material turning cavity; 7, discharge cavity; 8, base; 9, first feeding port; 100, guiding block; 200, second feeding port; 300, guiding port; 400, ventilation groove. Detailed Embodiment

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment

[0024] As Figures 1 to 3 shown, a drying device for calcium carbonate production includes a drying tower 1, a feeding box body 2, a screw conveyor 3, a drying mechanism 4 and a material turning mechanism 5. The feeding box body 2 and the screw conveyor 3 are respectively arranged on both sides of the drying tower 1 and communicated with it. The drying mechanism 4 and the material turning mechanism 5 are both arranged in the drying tower 1, and the drying mechanism 4 is located above the material turning mechanism 5. A discharge port 11 is arranged at the bottom of the drying tower 1. The present utility model adopts the setting of the material turning mechanism 5 in the drying tower 1, which can effectively turn the calcium carbonate to be dried therein, so as to better and comprehensively dry the calcium carbonate, avoid stacking and resulting in uneven drying and poor effect, and improve work efficiency. At the same time, the setting of the screw conveyor 3 facilitates the repeated and multi-level drying treatment of the calcium carbonate, improving the drying effect and efficiency.

[0025] In this embodiment, the drying mechanism 4 includes an air inlet 41, a gas collecting ring 42, and a plurality of air outlet holes 43. The gas collecting ring 42 is arranged in a ring shape in the upper part of the drying tower 1. The plurality of air outlet holes 43 are connected to the gas collecting ring 42 at intervals. One end of the air inlet 41 is connected to the gas collecting ring 42, and the other end extends to the outside of the drying tower 1 and is connected to an external gas source; the air inlet 41 is connected to the external gas source. In the present utility model, the gas collecting ring 42 and the plurality of air outlet holes 43 are provided, which can better uniformly and comprehensively introduce the external heat source into the drying tower 1 to dry the calcium carbonate, improving the drying efficiency.

[0026] In this embodiment, the material turning mechanism 5 includes two material turning components 51 and a driving component 52. Two partition plates 12 each provided with a communication groove 121 are vertically arranged at intervals in the drying tower 1. The two partition plates 12 divide the drying tower 1 into two material turning chambers 6 and a discharging chamber 7, and the discharging chamber 7 is located below the material turning chambers 6. The two material turning components 51 are respectively rotatably connected in the two material turning chambers 6, and the driving component 52 is arranged outside the drying tower 1 and connected to the two material turning components 51; the arrangement of the material turning chamber 6 and the material turning component 51 facilitates the turning of the calcium carbonate within a limited range, ensuring the material turning effect of the calcium carbonate; at the same time, the setting of two material turning components 51 avoids insufficient material turning and affecting the drying efficiency.

[0027] Specifically, the material turning component 51 includes a rotating shaft 511, a rotating roller 512, and a plurality of material turning plates 513. The rotating shaft 511 is rotatably connected in the material turning chamber 6. The rotating roller 512 is sleeved on the rotating shaft 511, and the plurality of material turning plates 513 are arranged at intervals on the rotating roller 512; in this embodiment, four material turning plates 513 are provided.

[0028] In this embodiment, the driving component 52 includes a driving motor 521, a conveyor belt 522, and a transmission wheel 523. The two rotating shafts 511 on the two material turning components 51 both extend to the outside of the drying tower 1 and are respectively connected to a transmission wheel 523. The conveyor belt 522 is connected between the two transmission wheels 523. The driving motor 521 is arranged on the outer side wall of the drying tower 1 through a base 8, and its output end is connected to one of the rotating shafts 511; by driving the two material turning components 51 to operate with one driving motor 521, the structural setting is optimized, which is convenient for production and manufacturing.

[0029] In this embodiment, the feeding box body 2 is arranged on one of the material turning chambers 6 located above, and a first feeding port 9 is provided between the feeding box body 2 and the material turning chamber 6. An inclined guiding block 100 is provided at the bottom of the feeding box body 2; the feeding box body 2 is connected to an external calcium carbonate silo. The calcium carbonate is introduced into the feeding box body 2 and enters the drying tower 1 through the first feeding port 9 under the action of the guiding block 100, and then it can be dried.

[0030] A second feed inlet 200 is provided between a material turning cavity 6 located above and a screw conveyor 3, a material guiding port 300 is provided between a discharge cavity 7 and the screw conveyor 3, and a ventilation groove 400 is provided on the screw conveyor 3; after the calcium carbonate completes the turning operation in the material turning cavity 6, it enters the discharge cavity 7. A material guiding slope (not shown in the figure) having the same function as the material guiding block 100 can be provided at the bottom of the discharge cavity 7 to facilitate the calcium carbonate to enter the screw conveyor 3 through the material guiding port 300 and finally be driven by the screw conveyor 3 to rise to the second feed inlet 200 and be re-introduced into the drying tower 1 for repeated and multi-level drying treatment.

[0031] The working principle of the present utility model:

[0032] The present utility model provides a drying device for calcium carbonate production. During specific use, calcium carbonate materials are introduced into the feed box body 2 and enter the drying tower 1 through the first feed inlet 9 under the action of the material guiding block 100. The air inlet 41 is connected to an external air source, hot air is introduced into the air collecting ring 42 through the air inlet 41 and is discharged through a plurality of air outlet holes 43. At the same time, the turning component 51 in the material turning cavity 6 rotates and uses the turning plate 513 to turn and dry the calcium carbonate materials. Then, the calcium carbonate materials enter the discharge cavity 7, enter the screw conveyor 3 through the material guiding port 300, and finally are driven by the screw conveyor 3 to rise to the second feed inlet 200 and be re-introduced into the drying tower 1 for repeated and multi-level drying treatment. After drying is completed, it can be discharged through the discharge port 11.

[0033] The above description is a detailed description of the preferred and feasible embodiments of the present utility model, but the embodiments are not used to limit the patent application scope of the present utility model. Any equivalent changes or modified changes completed under the technical spirit disclosed by the present utility model shall fall within the patent scope covered by the present utility model.

Claims

1. A drying device for calcium carbonate production, characterized in that: It comprises a drying tower (1), a feed box (2), an auger conveyor (3), a drying mechanism (4) and a material turning mechanism (5). The feed box (2) and the auger conveyor (3) are respectively arranged on both sides of the drying tower (1) and are in communication therewith; the drying mechanism (4) and the material turning mechanism (5) are both arranged in the drying tower (1), and the drying mechanism (4) is located above the material turning mechanism (5). The bottom of the drying tower (1) is provided with a discharge port (11).

2. A drying device for calcium carbonate production as claimed in claim 1, characterized in that: The drying mechanism (4) comprises an air inlet (41), an air collecting ring (42) and a plurality of air outlet holes (43); the air collecting ring (42) is arranged in an annular manner on the upper inner part of the drying tower (1); the plurality of air outlet holes (43) are connected to the air collecting ring (42) at intervals; one end of the air inlet (41) is connected to the air collecting ring (42), and the other end extends to the outside of the drying tower (1) and is connected to an external air source.

3. A drying device for calcium carbonate production as claimed in claim 1, characterized in that: The material turning mechanism (5) comprises two material turning assemblies (51) and a driving assembly (52); two partitions (12) each provided with a connecting groove (121) are vertically spaced apart in the drying tower (1); the two partitions (12) separate the drying tower (1) into two material turning chambers (6) and a material discharge chamber (7); the material discharge chamber (7) is located below the material turning chamber (6); the two material turning assemblies (51) are rotatably connected in the two material turning chambers (6) respectively; the driving assembly (52) is arranged outside the drying tower (1) and is connected to the two material turning assemblies (51).

4. A drying device for calcium carbonate production as claimed in claim 3, characterized in that: The material turning assembly (51) comprises a rotating shaft (511), a rotating roller (512) and a plurality of material turning plates (513); the rotating shaft (511) is rotatably connected in the material turning chamber (6); the rotating roller (512) is sleeved on the rotating shaft (511); and the plurality of material turning plates (513) are arranged on the rotating roller (512) at intervals.

5. A drying device for calcium carbonate production as claimed in claim 4, characterized in that: The driving assembly (52) comprises a driving motor (521), a conveyor belt (522) and a transmission wheel (523); the two rotating shafts (511) on the two material turning assemblies (51) extend to the outside of the drying tower (1) and are respectively connected to one of the transmission wheels (523); the conveyor belt (522) is connected between the two transmission wheels (523); the driving motor (521) is arranged on the outer wall of the drying tower (1) via a base (8), and its output end is connected to one of the rotating shafts (511).

6. A drying device for calcium carbonate production as claimed in claim 3, characterized in that: The feed box (2) is arranged on a material turning cavity (6) located above, and a first feed port (9) is provided between the feed box (2) and the material turning cavity (6), and a material guide block (100) arranged obliquely is provided at the bottom of the feed box (2).

7. A drying device for calcium carbonate production as claimed in claim 3, characterized in that: A second feed port (200) is provided between the material turning chamber (6) located above and the auger conveyor (3), a material guide port (300) is provided between the material discharge chamber (7) and the auger conveyor (3), and a ventilation slot (400) is provided on the auger conveyor (3).

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