Heavy calcium carbonate dewatering and drying device convenient to discharge

By installing a circulation pipe and a reamer inside the drying chamber, the problems of low efficiency and inconvenient material feeding caused by raw material accumulation in the heavy calcium carbonate drying device are solved, achieving uniform drying and convenient material feeding.

CN224162944UActive Publication Date: 2026-04-24NANZHAO COUNTY QINGSHAN BUILDING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANZHAO COUNTY QINGSHAN BUILDING MATERIALS CO LTD
Filing Date
2025-05-26
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

In existing heavy calcium carbonate drying equipment, the accumulation of raw materials leads to low drying efficiency and makes material unloading inconvenient.

Method used

The drying chamber is equipped with a circulation pipe, a reamer, and a cleaning mechanism. The reamer lifts and agitates the raw materials, while the cleaning mechanism cleans the inner wall, achieving uniform drying and convenient unloading of the raw materials.

Benefits of technology

It improves drying efficiency and facilitates material feeding, ensuring improved drying quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224162944U_ABST
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Abstract

The utility model belongs to the field of dewatering and drying devices, and particularly relates to a ground calcium carbonate dewatering and drying device convenient to discharge, which comprises a drying box, the upper end of the drying box is in threaded connection with a box cover, a circulating pipe is fixedly connected in the drying box, and a reamer is mounted in the box cover through a bearing. A stirring frame is fixedly connected to the upper portion of the outer side of the reamer, a cleaning mechanism is arranged on the stirring frame, and a supporting frame is installed on the lower middle portion of the outer side of the circulating pipe through a bearing. The circulating pipe, the cleaning mechanism, the reamer and other structures are additionally arranged in the drying box, raw materials at the bottom of the drying box can be lifted through the reamer in the drying process, after the raw materials are circularly lifted, the raw materials at the bottom of the drying box can be turned and stirred, and therefore the raw materials at the bottom of the drying box are evenly heated, and the drying efficiency is improved. And the raw materials adsorbed on the inner wall of the drying box can be cleaned through the cleaning mechanism.
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Description

Technical Field

[0001] This utility model relates to the technical field of dehydration and drying equipment, specifically a dehydration and drying equipment for heavy calcium carbonate that is easy to feed. Background Technology

[0002] Heavy calcium carbonate is a powder material made from natural calcite, marble, limestone, etc., through mechanical crushing, grinding, and grading. During the production of heavy calcium carbonate, it needs to be dried using a dehydration and drying device. According to patent authorization announcement number CN218238234U, a dehydration and drying device for ultrafine heavy calcium carbonate powder is proposed. This utility model relates to an ultrafine heavy calcium carbonate powder dehydration and drying device, belonging to the technical field of heavy calcium carbonate processing equipment. It includes a main body of equipment, with a groove on the inner wall of the main body. A drying tray is slidably arranged inside the groove. A drying chamber is formed on the upper surface of the drying tray. A cover plate is hinged to the upper part of the drying chamber. A heating rod is installed below the drying chamber through the inside of the drying tray. An exhaust pipe is connected from the outer side of the drying tray to the inside. A motor, a half-gear, and a gear block are provided, so that when the motor drives the half-gear to rotate, the gear block allows the entire drying tray to move at the groove.

[0003] However, in existing drying devices, material accumulation during the drying process can lead to ineffective drying of the material at the bottom, resulting in low drying efficiency. Furthermore, it is inconvenient to unload the dried material after drying. Therefore, improvements to the existing technology are necessary. Utility Model Content

[0004] The purpose of this invention is to provide a dehydration and drying device for heavy calcium carbonate that facilitates material feeding, thus solving the problems of low drying efficiency and inconvenient material feeding.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a dehydration and drying device for heavy calcium carbonate that facilitates material feeding, comprising a drying chamber, a chamber cover connected to the upper end of the drying chamber by a thread, a circulation pipe fixedly connected inside the drying chamber, a reamer installed inside the chamber cover by a bearing, a stirring frame fixedly connected to the upper outer side of the reamer, a cleaning mechanism provided on the stirring frame, a support frame installed to the lower middle outer side of the circulation pipe by a bearing, a motor fixedly installed at the upper end of the chamber cover, two symmetrically distributed vent covers fixedly connected inside the chamber cover, a discharge cover hinged to the lower end of the drying chamber, a fixing pin fixedly connected to the lower outer side of the drying chamber, a connecting cover slidably connected to the outside of the fixing pin, a limit frame fixedly connected to the lower end of the connecting cover, a spring provided to the outside of the fixing pin, and a baffle fixedly connected to the outside of the discharge cover.

[0006] Preferably, two symmetrically distributed feed holes are provided on the lower outer side of the circulation pipe, and an electric heating cover is fixedly installed on the outer side of the drying box, which can provide heat to the drying box.

[0007] Preferably, a connecting column is fixedly connected to the lower end of the mixing rack, and the connecting column is slidably connected to the support frame. The connecting column can support the mixing rack through the support frame.

[0008] Preferably, the output shaft of the motor is fixedly connected to the reamer, and the reamer is movably connected to the circulation pipe. The reamer can lift the raw material by rotating.

[0009] Preferably, the baffle is slidably connected to the limiting frame, one end of the first spring is fixedly connected to the fixing nail, the other end of the first spring is fixedly connected to the connecting cover, the connecting cover is in slidable contact with the drying oven, and the first spring can automatically reset the connecting cover by its elastic force.

[0010] Preferably, the cleaning mechanism includes a slide rod, which is slidably connected inside the stirring rack. A support bar is fixedly connected to one end of the slide rod, and a cleaning bar is fixedly connected to the outside of the support bar. A second spring is provided on the outside of the slide rod. The cleaning bar contacts the inner wall of the drying oven, and the cleaning bar can clean the inner wall of the drying oven.

[0011] Preferably, one end of the second spring is fixedly connected to the stirring frame, and the other end of the second spring is fixedly connected to the support bar. The second spring can support the support bar through its elastic force.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model adds a circulation pipe, a cleaning mechanism, and a reamer to the inside of the drying oven. During the drying process, the raw material at the bottom of the drying oven can be lifted by the reamer. After the raw material is circulated and lifted, it can be turned over, so that the raw material at the bottom of the drying oven is heated evenly. The cleaning mechanism can also clean the raw material adsorbed on the inner wall of the drying oven.

[0014] 2. This utility model adds a hinged discharge cover, a limiting frame, and a reamer inside the drying oven. When material needs to be discharged, the limiting frame is disengaged from the baffle, and the limiting of the discharge cover is released. Then, the reamer is controlled to rotate in the opposite direction. During the rotation of the reamer, the raw material inside the drying oven can be discharged, thus making the device easier to discharge material. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 A three-dimensional sectional view;

[0017] Figure 3 For the present utility model Figure 2 A 3D view of the circulation pipe;

[0018] Figure 4 For the present utility model Figure 2 A 3D view of the cleaning strip;

[0019] Figure 5 For the present utility model Figure 2 Enlarged view of the structure of part A.

[0020] In the diagram: 1. Drying oven; 2. Oven lid; 3. Circulation pipe; 4. Reamer; 5. Stirring rack; 6. Cleaning mechanism; 7. Support frame; 8. Connecting column; 9. Motor; 10. Ventilation hood; 11. Heating hood; 12. Feed hole; 13. Discharge cover; 14. Baffle; 15. Fixing nail; 16. Connecting cover; 17. Limiting frame; 18. Spring 1; 61. Slide rod; 62. Support bar; 63. Cleaning bar; 64. Spring 2. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5 A dehydration and drying device for heavy calcium carbonate that facilitates material feeding includes a drying chamber 1. The upper end of the drying chamber 1 is connected to a chamber cover 2 via a thread. A circulation pipe 3 is fixedly connected inside the drying chamber 1. A reamer 4 is installed inside the chamber cover 2 via a bearing. A stirring frame 5 is fixedly connected to the upper outer side of the reamer 4. A cleaning mechanism 6 is provided on the stirring frame 5. A support frame 7 is installed on the lower middle part of the outer side of the circulation pipe 3 via a bearing. A motor 9 is fixedly installed at the upper end of the chamber cover 2. Two symmetrically distributed ventilation covers 10 are fixedly connected inside the chamber cover 2. A discharge cover 13 is hinged to the lower end of the drying chamber 1. A fixing nail 15 is fixedly connected to the lower outer side of the drying chamber 1. A connecting cover 16 is slidably connected to the outer side of the fixing nail 15. A limit frame 17 is fixedly connected to the lower end of the connecting cover 16. A spring 18 is provided on the outer side of the fixing nail 15. A baffle 14 is fixedly connected to the outer side of the discharge cover 13.

[0023] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5 Two symmetrically distributed feed holes 12 are opened on the lower outer side of the circulation pipe 3. An electric heating cover 11 is fixedly installed on the outer side of the drying box 1. The electric heating cover 11 can provide heat to the drying box 1. A connecting column 8 is fixedly connected to the lower end of the stirring frame 5. The connecting column 8 is slidably connected to the support frame 7. The connecting column 8 can support the stirring frame 5 through the support frame 7. The output shaft of the motor 9 is fixedly connected to the reamer 4. The reamer 4 is movably connected to the circulation pipe 3. The reamer 4 can lift the raw material by rotating. The baffle 14 is slidably connected to the limit frame 17. One end of the spring 18 is fixedly connected to the fixing nail 15. The other end of the spring 18 is fixedly connected to the connecting cover 16. The connecting cover 16 is in slidable contact with the drying box 1. The spring 18 can drive the connecting cover 16 to automatically reset through elastic force.

[0024] Please see Figure 1 , Figure 2 , Figure 4 The cleaning mechanism 6 includes a slide rod 61. The slide rod 61 is slidably connected inside the stirring rack 5. One end of the slide rod 61 is fixedly connected to a support bar 62. The outside of the support bar 62 is fixedly connected to a cleaning bar 63. A second spring 64 is provided on the outside of the slide rod 61. The cleaning bar 63 contacts the inner wall of the drying box 1 and can clean the inner wall of the drying box 1. One end of the second spring 64 is fixedly connected to the stirring rack 5, and the other end of the second spring 64 is fixedly connected to the support bar 62. The second spring 64 can support the support bar 62 with its elasticity.

[0025] The specific implementation process of this utility model is as follows: When in use, the raw material is placed inside the drying chamber 1, and the electric heating cover 11 and the motor 9 are started at the same time. The electric heating cover 11 heats the inside of the drying chamber 1. When the motor 9 is drying the raw material, the motor 9 drives the reamer 4 to rotate in the forward direction. During the rotation of the reamer 4, the raw material inside the circulation pipe 3 can be lifted. During the lifting process, the raw material at the bottom of the drying chamber 1 can be turned over. During the turning process, the reamer 4 drives the stirring rack 5 to rotate. The stirring rack 5 can stir the raw material. At the same time, the cleaning strip 63 on the outside of the stirring rack 5 can clean the inner wall of the drying chamber 1, thereby effectively improving the drying quality and efficiency.

[0026] When material needs to be discharged, pull the connecting cover 16. The connecting cover 16 drives the limiting frame 17 to move and compresses the spring 18. When the limiting frame 17 disengages from the baffle 14, the limiting of the baffle 14 can be released, and the discharge cover 13 can be opened easily. Then, control the reamer 4 to rotate in the opposite direction, and the raw material can be discharged from the inside of the drying box 1 through the reamer 4.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dehydration and drying device for heavy calcium carbonate that facilitates material feeding, comprising a drying chamber (1), characterized in that: The upper end of the drying oven (1) is connected to a box cover (2) by a thread. A circulation pipe (3) is fixedly connected inside the drying oven (1). A reamer (4) is installed inside the box cover (2) by a bearing. A stirring rack (5) is fixedly connected to the upper outer side of the reamer (4). A cleaning mechanism (6) is provided on the stirring rack (5). A support frame (7) is installed on the lower middle part of the outer side of the circulation pipe (3) by a bearing. A motor (9) is fixedly installed at the upper end of the box cover (2). The drying box (1) has two symmetrically distributed ventilation covers (10) fixedly connected inside. The lower end of the drying box (1) is hinged with a discharge cover (13). The lower outer part of the drying box (1) is fixedly connected with a fixing nail (15). The outer side of the fixing nail (15) is slidably connected with a connecting cover (16). The lower end of the connecting cover (16) is fixedly connected with a limit frame (17). The outer side of the fixing nail (15) is provided with a spring (18). The outer side of the discharge cover (13) is fixedly connected with a baffle (14).

2. The heavy calcium carbonate dehydration and drying device for easy feeding according to claim 1, characterized in that: Two symmetrically distributed feed holes (12) are opened on the lower outer side of the circulation pipe (3), and an electric heating cover (11) is fixedly installed on the outer side of the drying box (1).

3. The heavy calcium carbonate dehydration and drying device for easy feeding according to claim 1, characterized in that: The lower end of the stirring rack (5) is fixedly connected to a connecting column (8), and the connecting column (8) is slidably connected to the support frame (7).

4. The heavy calcium carbonate dehydration and drying device for easy feeding according to claim 1, characterized in that: The output shaft of the motor (9) is fixedly connected to the reamer (4), and the reamer (4) is movably connected to the circulation pipe (3).

5. The heavy calcium carbonate dehydration and drying device for easy feeding according to claim 1, characterized in that: The baffle (14) is slidably connected to the limiting frame (17), one end of the spring (18) is fixedly connected to the fixing nail (15), the other end of the spring (18) is fixedly connected to the connecting cover (16), and the connecting cover (16) is in slidable contact with the drying oven (1).

6. The heavy calcium carbonate dehydration and drying device for easy feeding according to claim 1, characterized in that: The cleaning mechanism (6) includes a slide rod (61), which is slidably connected inside the stirring rack (5). A support bar (62) is fixedly connected to one end of the slide rod (61), and a cleaning bar (63) is fixedly connected to the outside of the support bar (62). A spring (64) is provided on the outside of the slide rod (61), and the cleaning bar (63) contacts the inner wall of the drying oven (1).

7. The heavy calcium carbonate dehydration and drying device for easy feeding according to claim 6, characterized in that: One end of the second spring (64) is fixedly connected to the stirring rack (5), and the other end of the second spring (64) is fixedly connected to the support bar (62).

Citation Information

Patent Citations

  • Ultrafine heavy calcium carbonate powder dewatering and drying device

    CN218238234U