Silicon dioxide slurry spray dryer

By introducing a filter box and filter box into the silica slurry spray dryer, combined with the scraping mechanism of the cleaning blade, the problem of silica powder discharged with air in the prior art is solved, and efficient powder collection and environmental protection are achieved drying process.

CN222488907UActive Publication Date: 2025-02-18ANHUI QUECHEN SILICON CHEM CO LTD
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Patent Information

Application Number
CN202421256030.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-02-18
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The existing silica slurry spray dryers will discharge silica powder with the air during the drying process, resulting in waste of materials and air pollution.

Method used

A silica slurry spray dryer is designed, which uses a filter box and a filter box to filter the exhausted gas. Through continuous scraping of the cleaning blade, the silica powder on the filter box is collected to prevent it from being accompanied by the air. discharge.

Benefits of technology

It effectively avoids waste of silica powder and air pollution, and achieves efficient collection and utilization of silica powder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a silicon dioxide slurry spray dryer which comprises a dryer body, a liquefaction mechanism is arranged on one side of the dryer body, a hot air mechanism is arranged on the other side of the dryer body, and a ventilation pipe is fixedly installed at the top of the dryer body. A filtering box is fixedly installed at the end, away from the drying machine body, of the ventilation pipe, a filtering frame is rotatably installed in the filtering box, a supporting plate is fixedly installed at the top of the filtering box, an exhaust fan is fixedly installed at the top of the supporting plate, and cleaning scraping plates are fixedly installed on the two sides of the inner wall of the filtering box. When silicon dioxide slurry is dried, the liquefied silicon dioxide slurry is conveyed to the top of the drying machine body through the liquefying mechanism, the silicon dioxide slurry is atomized at the top of the drying machine body, and then hot air is provided for the interior of the drying machine body through the hot air mechanism; and the atomized silicon dioxide liquid drops are quickly dried.
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Description

Technical Field

[0001] The utility model relates to the technical field of dryers, in particular to a silicon dioxide slurry spray dryer. Background Art

[0002] In the chemical, pharmaceutical, food and other industries, the drying of liquid materials has always been an important production link. Among them, silica slurry is a common liquid material, and its drying process has an important impact on product quality and production efficiency. Spray drying technology, as an efficient drying method, is widely used in the drying of silica slurry.

[0003] Spray drying technology is a technology that atomizes liquid materials into tiny droplets through a nozzle, and then contacts with hot air to complete the evaporation and drying process in a very short time. This technology has the advantages of fast drying speed, high production efficiency, and good product quality, and is widely used in the drying of various liquid materials.

[0004] As a highly efficient drying equipment, silica slurry spray dryer has important application value in the field of industrial production. Its unique working principle and advantages make it widely used in various industries. In the future, with the continuous advancement of technology and the expansion of application fields, the development prospects of silica slurry spray dryer will be broader.

[0005] An existing silica slurry spray dryer converts the silica slurry into silica powder by atomizing the silica slurry and then quickly drying the atomized silica droplets with a hot air blower. When hot air continuously enters the dryer, it is necessary to discharge part of the air inside the dryer. The air discharged contains a certain amount of silica powder. Direct discharge will not only waste materials but also pollute the air. Utility Model Content

[0006] The object of the present invention is to provide a silicon dioxide slurry spray dryer to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a silicon dioxide slurry spray dryer, comprising a dryer body, a liquefaction mechanism is arranged on one side of the dryer body, a hot air mechanism is arranged on the other side of the dryer body, a ventilation pipe is fixedly installed on the top of the dryer body, a filter box is fixedly installed on the end of the ventilation pipe away from the dryer body, a filter frame is rotatably installed inside the filter box, a support plate is fixedly installed on the top of the filter box, an exhaust fan is fixedly installed on the top of the support plate, and cleaning scrapers are fixedly installed on both sides of the inner wall of the filter box.

[0008] As a further description of the above technical solution: the liquefaction mechanism includes a liquefier, the liquefier is arranged on one side of the dryer body, and a liquid infusion tube is fixedly installed between the dryer body and the liquefier.

[0009] As a further description of the above technical solution: the hot air mechanism includes a hot air blower, the hot air blower is arranged on one side of the dryer body, and a hot air pipe is fixedly installed between the dryer body and the hot air blower.

[0010] As a further description of the above technical solution: a motor is fixedly installed on one side of the top of the filter box, the output end of the motor passes through the top of the filter box and is fixedly connected to a gear, a gear ring is provided on one side of the gear, the gear ring is meshed with the gear, and the gear ring is fixedly installed on the top of the filter frame.

[0011] As a further description of the above technical solution: an exhaust pipe is fixedly installed on the top of the filter box, and a dustproof net is fixedly installed on the top of the exhaust pipe.

[0012] As a further description of the above technical solution: a collecting box is fixedly connected to the bottom of the filter box, a dust removal port is opened at the bottom of the filter box, the collecting box is connected to the filter box through the dust removal port, and a collecting tank is arranged inside the collecting box.

[0013] As a further description of the above technical solution: a base is fixedly installed at the bottom of the dryer body, and the collecting box, the hot air blower and the liquefier are all fixedly installed on the top of the base.

[0014] The utility model provides a silicon dioxide slurry spray dryer. It has the following beneficial effects: when drying silicon dioxide slurry, the liquefied silicon dioxide slurry is transported to the top of the dryer body through the liquefaction mechanism, the silicon dioxide slurry is atomized at the top of the dryer body, and then hot air is provided to the inside of the dryer body through the hot air mechanism to quickly dry the atomized silicon dioxide droplets, and the generated silicon dioxide powder is collected at the bottom of the dryer body and exhausted through the ventilation pipe. Since the exhaust gas contains a certain amount of silicon dioxide powder, the exhaust gas needs to be filtered, and the silicon dioxide powder is filtered by the filter frame in the filter box. Through the continuous rotation of the filter frame, the cleaning scraper continuously scrapes off the silicon dioxide powder accumulated on the filter frame to collect the silicon dioxide powder in the exhaust gas.

[0015] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0016] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a silicon dioxide slurry spray dryer proposed by the utility model;

[0018] Figure 2 A schematic diagram of a three-dimensional structure from another viewing angle of the utility model;

[0019] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the filter box of the utility model;

[0020] Figure 4 This is a schematic diagram of the main cross-sectional structure of the filter box of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional exploded structure of the filter box of the utility model.

[0022] Legend:

[0023] 1. Dryer body; 2. Liquefaction machine; 201. Infusion tube; 3. Hot air blower; 301. Hot air duct; 4. Filter box; 5. Ventilation duct; 6. Filter frame; 7. Exhaust duct; 8. Support plate; 9. Exhaust fan; 10. Dust net; 11. Motor; 12. Gear; 13. Gear ring; 14. Cleaning scraper; 15. Dust removal port; 16. Collection box; 17. Collection trough; 18. Base. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-5A silicon dioxide slurry spray dryer comprises a dryer body 1, a liquefaction mechanism 2 is arranged on one side of the dryer body 1, a hot air blower 3 is arranged on the other side of the dryer body 1, a ventilation pipe 5 is fixedly installed on the top of the dryer body 1, a filter box 4 is fixedly installed on the end of the ventilation pipe 5 away from the dryer body 1, a filter frame 6 is rotatably installed inside the filter box 4, a support plate 8 is fixedly installed on the top of the filter box 4, an exhaust fan 9 is fixedly installed on the top of the support plate 8, and cleaning scrapers 14 are fixedly installed on both sides of the inner wall of the filter box 4; when the silicon dioxide slurry is dried, the liquefied silicon dioxide is liquefied by the liquefaction mechanism 2. The silicon slurry is transported to the top of the dryer body 1, and the silicon dioxide slurry is atomized at the top of the dryer body 1. Then, hot air is provided to the inside of the dryer body 1 through the hot air blower 3 to quickly dry the atomized silicon dioxide droplets. The generated silicon dioxide powder is collected at the bottom of the dryer body 1 and exhausted through the ventilation pipe 5. Since the exhausted gas contains a certain amount of silicon dioxide powder, the exhausted gas needs to be filtered. The silicon dioxide powder is filtered by the filter frame 6 in the filter box 4. Through the continuous rotation of the filter frame 6, the cleaning scraper 14 continuously scrapes off the silicon dioxide powder accumulated on the filter frame 6 to collect the silicon dioxide powder in the exhaust gas.

[0026] As a preferred technical solution of this embodiment, the liquefier 2 mechanism includes a liquefier 2, which is arranged on one side of the dryer body 1, and a liquid infusion pipe 201 is fixedly installed between the dryer body 1 and the liquefier 2; the silica slurry in the liquefier 2 is continuously transported to the top of the dryer body 1 through the liquid infusion pipe 201.

[0027] As a preferred technical solution of this embodiment, the hot air blower 3 includes a hot air blower 3, which is arranged on one side of the dryer body 1, and a hot air pipe 301 is fixedly installed between the dryer body 1 and the hot air blower 3; the hot air generated by the hot air blower 3 continuously enters the interior of the dryer body 1 through the hot air pipe 301 to dry the silica droplets.

[0028] As a preferred technical solution of this embodiment, a motor 11 is fixedly installed on one side of the top of the filter box 4, and the output end of the motor 11 passes through the top of the filter box 4 and is fixedly connected to a gear 12, and a gear ring 13 is provided on one side of the gear 12, and the gear ring 13 is meshed with the gear 12, and the gear ring 13 is fixedly installed on the top of the filter frame 6; when the filter frame 6 needs to rotate, the motor 11 is turned on, and the output end of the motor 11 drives the gear 12 to rotate, so that the filter frame 6 fixedly connected to the gear ring 13 rotates.

[0029] As a preferred technical solution of this embodiment, an exhaust pipe 7 is fixedly installed on the top of the filter box 4, and a dustproof net 10 is fixedly installed on the top of the exhaust pipe 7; the filtered exhaust gas is discharged through the exhaust pipe 7, and the exhaust gas is filtered again through the dustproof net 10, and the dustproof net 10 can also prevent external dust from entering the interior of the filter box 4.

[0030] As a preferred technical solution of this embodiment, a collecting box 16 is fixedly connected to the bottom of the filter box 4, a dust removal port 15 is opened at the bottom of the filter box 4, the collecting box 16 is connected to the filter box 4 through the dust removal port 15, and a collecting tank 17 is arranged inside the collecting box 16; the silica powder inside the filter box 4 enters the collecting box 16 through the dust removal port 15 and is collected by the collecting tank 17.

[0031] As a preferred technical solution of this embodiment, a base 18 is fixedly installed at the bottom of the dryer body 1, and the collecting box 16, the hot air blower 3 and the liquefier 2 are all fixedly installed on the top of the base 18; the device is supported by the base 18.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A silicon dioxide slurry spray dryer, comprising a dryer body (1), characterized in that: A liquefaction machine (2) is provided on one side of the dryer body (1), a hot air blower (3) is provided on the other side of the dryer body (1), a ventilation pipe (5) is fixedly mounted on the top of the dryer body (1), a filter box (4) is fixedly mounted on one end of the ventilation pipe (5) away from the dryer body (1), a filter frame (6) is rotatably mounted inside the filter box (4), a support plate (8) is fixedly mounted on the top of the filter box (4), an exhaust fan (9) is fixedly mounted on the top of the support plate (8), and cleaning scrapers (14) are fixedly mounted on both sides of the inner wall of the filter box (4).

2. A silicon dioxide slurry spray dryer according to claim 1, characterized in that: The liquefier (2) mechanism comprises a liquefier (2), wherein the liquefier (2) is arranged on one side of the dryer body (1), and a liquid infusion pipe (201) is fixedly installed between the dryer body (1) and the liquefier (2).

3. A silicon dioxide slurry spray dryer according to claim 2, characterized in that: The hot air blower (3) structure comprises a hot air blower (3), wherein the hot air blower (3) is arranged on one side of the dryer body (1), and a hot air pipe (301) is fixedly installed between the dryer body (1) and the hot air blower (3).

4. A silicon dioxide slurry spray dryer according to claim 2, characterized in that: A motor (11) is fixedly mounted on one side of the top of the filter box (4); an output end of the motor (11) passes through the top of the filter box (4) and is fixedly connected to a gear (12); a gear ring (13) is provided on one side of the gear (12); the gear ring (13) and the gear (12) are meshed with each other; the gear ring (13) is fixedly mounted on the top of the filter frame (6).

5. A silicon dioxide slurry spray dryer according to claim 4, characterized in that: An exhaust pipe (7) is fixedly mounted on the top of the filter box (4), and a dustproof net (10) is fixedly mounted on the top of the exhaust pipe (7).

6. A silicon dioxide slurry spray dryer according to claim 4, characterized in that: The bottom of the filter box (4) is fixedly connected to a collecting box (16), the bottom of the filter box (4) is provided with a dust removal port (15), the collecting box (16) is connected to the filter box (4) through the dust removal port (15), and a collecting tank (17) is provided inside the collecting box (16).

7. A silicon dioxide slurry spray dryer according to claim 6, characterized in that: A base (18) is fixedly mounted on the bottom of the dryer body (1), and the collecting box (16), the hot air blower (3) and the liquefier (2) are all fixedly mounted on the top of the base (18).