Dehumidifying device for calcium carbonate production

Abstract

The utility model relates to a dehumidifying device for calcium carbonate production in the technical field of calcium carbonate production equipment, which comprises a dust remover, and a feeding hole of the dust remover is connected with a crushing component; the crushing assembly comprises a horizontal crushing box, a feeding hopper is arranged at one end of the crushing box, a feeding screw rod is arranged in the crushing box, one end of the feeding screw rod penetrates through the crushing box and then is connected with a rotating motor, a discharging opening is formed in the other end of the crushing box, and the discharging opening is connected with a fan; and an air outlet of the fan is connected with a feeding hole of the dust remover through a material guide pipe. The calcium carbonate drying device is simple and reasonable in structure, dried calcium carbonate can be crushed in time, hot air involved in the dried calcium carbonate can be extracted, the air and powder can be separated in time, the powder can be cooled, and meanwhile the dried high-temperature calcium carbonate powder can be prevented from caking and getting damp.

Description

Technical Field

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

[0002] Calcium carbonate powder needs to be dried during the production process to remove moisture from the calcium carbonate powder. In the prior art, a dryer (such as a disc dryer) is generally used for drying. However, the temperature of the calcium carbonate powder is high after drying. During transportation, the calcium carbonate powder is in contact with air, which is prone to agglomeration and moisture, which is not conducive to subsequent processing and production, and affects the quality of the calcium carbonate powder. Therefore, a dehumidification device for calcium carbonate production is needed to solve the above technical problems. Utility Model Content

[0003] In view of the above-mentioned defects in the prior art, the utility model provides a dehumidification device for calcium carbonate production, comprising a dust collector, wherein the feed port of the dust collector is connected to a crushing assembly;

[0004] The crushing assembly includes a horizontal crushing box, one end of which is provided with a feed hopper, a feeding screw is provided in the crushing box, one end of the feeding screw passes through the crushing box and is connected to a rotating motor, the other end of the crushing box is provided with a discharge port, the discharge port is connected to a fan, the air outlet of the fan is connected to the feed port of a dust collector through a material guide pipe, and the dust collector can be a bag dust collector.

[0005] Preferably, the feed hopper is connected to a feed pipe, an air inlet pipe is provided between the feed pipe and the feed hopper, and the outer wall of the air inlet pipe is covered with filter holes. This arrangement allows the air inhaled by the fan to be filtered when the fan is started and the airflow carries the calcium carbonate into the dust collector, so as to avoid contamination of the calcium carbonate powder.

[0006] Preferably, the feed pipe is communicated with the discharge port of the calcium carbonate dryer. The calcium carbonate dried by the calcium carbonate dryer enters the feed hopper through the feed pipe.

[0007] Preferably, the feeding screw comprises a rotating rod and a feeding blade fixed on the rotating rod, one end of the rotating rod passes through the crushing box and is connected to the output shaft of the rotating motor, the rotating motor is fixed on the outer wall of the crushing box, and the edge of the feeding blade is sharpened to form a crushing knife. This arrangement can improve the crushing effect of the feeding screw.

[0008] Preferably, the fan is a centrifugal fan.

[0009] Preferably, a cooling interlayer is provided on the crushing box, and the cooling interlayer is connected with a cooling medium inlet pipe and a cooling medium outlet pipe, so that the calcium carbonate powder can be cooled while being crushed and transported.

[0010] The utility model also includes other components that enable the dehumidification device for calcium carbonate production to be used normally, such as the control component of the dust collector, the control component of the rotating motor, the control component of the fan, etc., which are all commonly used equipment in the field, and the control component (such as a water pump) that controls the medium in and out of the cooling interlayer is a conventional technical means in the field. In addition, the devices or components not limited in the utility model, such as the feeding screw, the dust collector, etc., all adopt conventional technical means and conventional equipment in the field.

[0011] Working principle: The dried calcium carbonate enters the crushing box through the feed hopper. The feeding screw in the crushing box crushes and transports the calcium carbonate. Under the action of the fan, the crushed calcium carbonate is sucked into the dust collector for gas and powder separation, and the residual moisture in the dried calcium carbonate is removed, which avoids the agglomeration and moisture return of calcium carbonate after drying, and is beneficial to improve the quality of the dried calcium carbonate powder.

[0012] The utility model has the beneficial effects of simple and reasonable structure, can timely crush the dried calcium carbonate and extract the hot gas involved in the dried calcium carbonate, separate the gas and powder in time, cool the powder and avoid agglomeration and moisture reversion of the high-temperature calcium carbonate powder after drying. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 It is a schematic structural diagram of a dehumidification device for calcium carbonate production in an embodiment of the utility model.

[0015] In the figure: 1. Crushing box; 2. Feed hopper; 3. Air inlet pipe; 4. Feed pipe; 5. Rotating motor; 6. Rotating rod; 7. Fan; 8. Air outlet; 9. Material guide pipe; 10. Dust collector; 11. Exhaust pipe; 12. Discharge port; 13. Feeding paddle; 14. Cooling interlayer; 15. Cooling medium inlet pipe; 16. Cooling medium outlet pipe. DETAILED DESCRIPTION

[0016] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0017] Example

[0018] like Figure 1As shown, the utility model provides a dehumidification device for calcium carbonate production, including a dust collector 10, and a crushing assembly is connected to the feed port of the dust collector 10;

[0019] The crushing assembly includes a horizontal crushing box 1, one end of which is provided with a feed hopper 2, a feeding screw is provided in the crushing box 1, one end of the feeding screw penetrates the crushing box 1 and is connected to a rotating motor 5, the other end of the crushing box 1 is provided with a discharge port, the discharge port is connected to a fan 7, an air outlet 8 of the fan 7 is connected to a feed port of a dust collector 10 through a guide pipe 9, and the dust collector is a bag dust collector.

[0020] The feed hopper 2 is connected to a feed pipe 4, and an air inlet pipe 3 is arranged between the feed pipe 4 and the feed hopper 2, and the outer wall of the air inlet pipe 3 is covered with filter holes. When the fan 7 is started and the air flow carries the calcium carbonate into the dust collector 10, the air inlet pipe 3 filters the air sucked in by the fan 7 to avoid contamination of the calcium carbonate powder.

[0021] The feed pipe 4 is communicated with the discharge port of the calcium carbonate dryer. The calcium carbonate dried by the calcium carbonate dryer enters the feed hopper 2 through the feed pipe 4.

[0022] The feeding screw includes a rotating rod 6 and a feeding blade 13 fixed on the rotating rod 6. One end of the rotating rod 6 passes through the crushing box 1 and is connected to the output shaft of the rotating motor 5. The rotating motor 5 is fixed on the outer wall of the crushing box 1. The edge of the feeding blade 13 is sharpened to form a crushing knife. This arrangement can improve the crushing effect of the feeding screw.

[0023] The fan 7 is a centrifugal fan.

[0024] The crushing box is provided with a cooling interlayer 14, which is connected with a cooling medium inlet pipe 15 and a cooling medium outlet pipe 16. The calcium carbonate powder can be cooled while being crushed and transported.

[0025] The dried calcium carbonate enters the crushing box 1 through the feed hopper 2, and the feeding screw in the crushing box 1 crushes and transports the entered calcium carbonate. Under the action of the fan 7, the crushed calcium carbonate is sucked into the dust collector 10 for gas and powder separation, and the moisture is discharged from the exhaust pipe 11 of the dust collector 10. The calcium carbonate powder is discharged from the discharge port 12 of the dust collector 10 and enters the next process, so that the residual moisture in the dried calcium carbonate is removed, which avoids the agglomeration and moisture regeneration of the calcium carbonate after drying, which is beneficial to improving the quality of the dried calcium carbonate powder.

[0026] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A dehumidification device for calcium carbonate production, including a dust collector, characterized in that: The feed inlet of the dust collector is connected to a crushing assembly; The crushing assembly includes a horizontal crushing box, one end of which is provided with a feed hopper, a feeding screw is provided in the crushing box, one end of the feeding screw passes through the crushing box and is connected to a rotating motor, the other end of the crushing box is provided with a discharge port, the discharge port is connected to a fan, and the air outlet of the fan is connected to the feed port of the dust collector through a material guide pipe.

2. The dehumidification device for calcium carbonate production according to claim 1, characterized in that: The feed hopper is connected with a feed pipe, an air inlet pipe is arranged between the feed pipe and the feed hopper, and the outer wall of the air inlet pipe is covered with filter holes.

3. The dehumidification device for calcium carbonate production according to claim 2, characterized in that: The feed pipe is communicated with the discharge port of the calcium carbonate dryer.

4. The dehumidification device for calcium carbonate production according to claim 1, characterized in that: The feeding screw includes a rotating rod and a feeding blade fixed on the rotating rod. One end of the rotating rod passes through the crushing box and is connected to the output shaft of the rotating motor. The rotating motor is fixed on the outer wall of the crushing box. The edge of the feeding blade is sharpened to form a crushing knife.

5. The dehumidification device for calcium carbonate production according to claim 1, characterized in that: The fan is a centrifugal fan.

6. The dehumidification device for calcium carbonate production according to claim 1, characterized in that: A cooling interlayer is provided on the crushing box, and the cooling interlayer is connected with a cooling medium inlet pipe and a cooling medium outlet pipe.

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