Efficient drying system for preparing activated zinc oxide

Abstract

The utility model discloses an efficient drying system for preparing activated zinc oxide, which comprises a drying cylinder, a plurality of supporting columns are uniformly arranged on the lower surface of the drying cylinder, a feeding pipe is arranged on the upper surface of the drying cylinder, a discharging pipe is arranged on the lower surface of the drying cylinder, and a valve is mounted on the discharging pipe. A heater is arranged in a cylinder body of the drying cylinder, a plurality of circulating pipes are evenly arranged on the peripheral side surface of the drying cylinder, and the upper ends and the lower ends of the circulating pipes communicate with the upper side and the lower side in the drying cylinder correspondingly. Activated zinc oxide at the inner bottom of the drying cylinder can be conveyed to the inner top of the drying cylinder through a plurality of circulating pipes and a conveying pump which are arranged on the drying cylinder, so that the activated zinc oxide is prevented from depositing and standing at the bottom, and the activated zinc oxide in the drying cylinder can be continuously circulated to the top from the bottom while being heated and dried by a heater; the activated zinc oxide at the bottom participates in dynamic drying, drying is more uniform, and the overall drying efficiency of the activated zinc oxide is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to zinc oxide production technical field, concretely for a kind of efficient drying system for preparing active zinc oxide. BACKGROUND

[0002] Active zinc oxide as an important inorganic material, in rubber, paint, ceramics and other fields have wide application.In the preparation of active zinc oxide particles or powder, it needs to be dried.The existing drying mode is usually to place active zinc oxide in drying device and dry in static state, or to make it dry more evenly by simple stirring, but the stirring dead angle existing in the stirring process will cause the active zinc oxide deposited at the bottom to be unable to participate in stirring, thereby reducing the overall drying efficiency.Therefore, we propose a kind of efficient drying system for preparing active zinc oxide. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide an efficient drying system for preparing active zinc oxide, which can avoid the deposition of active zinc oxide at the bottom, and enable the active zinc oxide in the drying cylinder to be dried under the heating of the heater while being circulated from the bottom to the top, so that the drying is more uniform, the overall drying efficiency of active zinc oxide is greatly improved, and the problems in the background art can be effectively solved.

[0004] To achieve the above object, the utility model provides the following technical scheme: an efficient drying system for preparing active zinc oxide, including drying cylinder, the lower surface of drying cylinder is evenly provided with a plurality of support columns, the upper surface of drying cylinder is provided with inlet pipe, and the lower surface of drying cylinder is provided with discharge pipe, valve is installed on discharge pipe, the inside of the cylinder body of drying cylinder is provided with heater, the outer circumferential side surface of drying cylinder is evenly provided with a plurality of circulating pipes, the upper and lower ends of circulating pipe are communicated with the upper and lower sides in the inside of drying cylinder respectively, and conveying pump is installed on circulating pipe.

[0005] As a preferred technical scheme of the utility model, the middle vertical section of the circulating pipe includes a static mixing pipe, and a static mixer is installed in the static mixing pipe.

[0006] As a preferred technical scheme of the utility model, the upper surface of the drying cylinder is installed with a stirring motor at the center, the output shaft of the stirring motor penetrates into the drying cylinder and is connected with the stirring shaft through a shaft coupling, and a plurality of stirring blades are evenly arranged on the outer circumferential side surface of the stirring shaft.

[0007] As a preferred technical scheme of the utility model, the end of the stirring blade is fixedly provided with an elastic scraper, and the end of the elastic scraper is in contact with the inner wall of the drying cylinder.

[0008] As a preferred technical scheme of the utility model, the several stirring blades located on different vertical lines outside the stirring shaft are arranged staggeredly in height.

[0009] As a preferred technical scheme of the utility model, the upper and lower surfaces of the stirring blade are provided with several turbulence blocks.

[0010] As a preferred technical scheme of the utility model, the upper surface of the drying cylinder is provided with a dehumidification pipe, and a dehumidification fan is installed in the dehumidification pipe.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the several circulating pipes and the conveying pump arranged on the drying cylinder can convey the active zinc oxide at the bottom of the drying cylinder to the top of the drying cylinder, thereby avoiding the active zinc oxide from depositing and being static at the bottom, enabling the active zinc oxide in the drying cylinder to be dried under the heating of the heater while being continuously circulated from the bottom to the top, enabling the active zinc oxide at the bottom to participate in dynamic drying, and making the drying more uniform and greatly improving the overall drying efficiency of the active zinc oxide. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model;

[0013] Fig. 2 It is a side view structural schematic view of the utility model;

[0014] Fig. 3 It is a local structural schematic view of the utility model.

[0015] In the drawing: 1 drying cylinder, 2 supporting column, 3 feeding pipe, 4 discharging pipe, 5 valve, 6 circulating pipe, 7 conveying pump, 8 static mixing pipe, 9 static mixer, 10 stirring motor, 11 stirring shaft, 12 stirring blade, 13 turbulence block, 14 elastic scraper, 15 dehumidification pipe. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figs. 1-3The utility model provides a technical scheme: a kind of high-efficiency drying system for preparing active zinc oxide, including drying cylinder 1, the lower part of drying cylinder 1 is conical, the lower surface of its drying cylinder 1 is provided with discharge pipe 4, and it is convenient to discharge;Valve 5 is installed on discharge pipe 4, and valve 5 can be selected as commonly used manual valve, and can also be selected as commonly used electric valve, for controlling the opening and closing of discharge pipe 4.

[0018] The lower surface of drying cylinder 1 is uniformly provided with a plurality of support columns 2 for supporting drying cylinder 1 to facilitate discharging through the discharge pipe 4 at the lower part thereof;The upper surface of drying cylinder 1 is provided with a feed pipe 3, and active zinc oxide is fed into the drying cylinder 1 through the feed pipe 3. A heater is arranged inside the cylinder body of the drying cylinder 1, which can be selected as a commonly used electric heater or a steam heating machine, etc. A plurality of circulation pipes 6 are uniformly arranged on the outer peripheral side surface of the drying cylinder 1, the upper and lower ends of the circulation pipes 6 are respectively communicated with the upper and lower sides inside the drying cylinder 1, a delivery pump 7 is installed on the circulation pipes 6, the delivery pump 7 is preferably an ARO high-efficiency light powder delivery pump or a Graco powder delivery pump or a commonly used pneumatic diaphragm pump, etc. The active zinc oxide at the bottom inside the drying cylinder 1 can be delivered to the top inside the drying cylinder 1 through the plurality of circulation pipes 6 and the delivery pump 7 arranged on the drying cylinder 1, thereby avoiding the active zinc oxide from depositing and being static at the bottom, and enabling the active zinc oxide inside the drying cylinder 1 to be dried under the heating of the heater while being continuously circulated from the bottom to the top, so that the active zinc oxide at the bottom participates in the dynamic drying, the drying is more uniform, and the overall drying efficiency of the active zinc oxide is greatly improved.

[0019] In the preferred technical solution, the middle vertical section of the circulation pipe 6 comprises a static mixing pipe 8, a static mixer 9 is installed in the static mixing pipe 8, and when the active zinc oxide is driven by the delivery pump 7 to pass through the static mixing pipe 8 section of the circulation pipe 6, it is mixed and dispersed by the static mixer 9, which can make the heated active zinc oxide and the unheated active zinc oxide more uniformly mixed, make the heat conduction between them more frequent, and further improve the overall drying efficiency of the active zinc oxide.

[0020] In the preferred technical solution, a stirring motor 10 is installed at the center of the upper surface of the drying cylinder 1, the output shaft of the stirring motor 10 penetrates into the drying cylinder 1 and is connected with a stirring shaft 11 through a shaft coupling, a plurality of stirring blades 12 are uniformly arranged on the outer peripheral side surface of the stirring shaft 11, and the stirring motor 10 drives the stirring blades 12 through the stirring shaft 11 to stir the active zinc oxide, which can make the zinc oxide dry more uniformly and improve the drying efficiency of the device.

[0021] Further preferably, the end of the stirring blade 12 is fixedly provided with an elastic scraper 14, the end of the elastic scraper 14 is in contact with the inner wall of the drying cylinder 1, the stirring blade 12 drives the elastic scraper 14 to scrape the inner wall of the drying cylinder 1 while stirring the active zinc oxide, the active zinc oxide adhered to the inner wall of the drying cylinder 1 can be cleaned, the heating effect of the heater in the cylinder body is avoided from being affected, the drying effect of the active zinc oxide is ensured, and the product quality is improved.

[0022] Further, the stirring blades 12 located on different vertical lines on the outer side of the stirring shaft 11 are arranged in a staggered manner in height, so that the stirring blades 12 can greatly increase the turbulent flow of the active zinc oxide and reduce the laminar flow during stirring, thereby improving the drying efficiency, and the elastic scraper 14 can cover the entire inner wall of the drying cylinder 1 and has a better scraping effect.

[0023] Optionally, the upper and lower surfaces of the stirring blade 12 are provided with a plurality of staggered turbulent flow blocks 13, which can assist in increasing the turbulent flow during stirring of the active zinc oxide.

[0024] Preferably, the upper surface of the drying cylinder 1 is provided with a moisture removal pipe 15, a moisture removal fan is installed in the moisture removal pipe 15, the moisture removal fan, the conveying pump 7, the stirring motor 10 and the heater are electrically connected with an external control switch and are powered by an external power supply, the moisture removal fan removes the moisture generated during the drying of the active zinc oxide in the drying cylinder 1 to the outside through the moisture removal pipe 15, and the overall drying efficiency of the active zinc oxide can be further improved.

[0025] The conveying pump 7, the stirring motor 10, the moisture removal fan and the heater used in the application are all common electronic components in the prior art, and their specific structure, working principle and circuit connection are all known technologies, which will not be described in detail here.

[0026] The undisclosed parts in the utility model are all prior art, and their specific structure, materials and working principle will not be described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high efficiency drying system for preparing active zinc oxide comprising a drying cylinder (1), characterized in that: The lower surface of the drying cylinder (1) is uniformly provided with a plurality of supporting columns (2), the upper surface of the drying cylinder (1) is provided with a feeding pipe (3), the lower surface of the drying cylinder (1) is provided with a discharging pipe (4), a valve (5) is installed on the discharging pipe (4), a heater is arranged inside the cylinder body of the drying cylinder (1), a plurality of circulating pipes (6) are uniformly arranged on the outer circumferential surface of the drying cylinder (1), the upper and lower ends of the circulating pipe (6) are respectively communicated with the upper and lower sides inside the drying cylinder (1), and a conveying pump (7) is installed on the circulating pipe (6); the middle vertical section of the circulating pipe (6) comprises a static mixing pipe (8), and a static mixer (9) is installed in the static mixing pipe (8).

2. The high efficiency drying system for preparing active zinc oxide according to claim 1, characterized in that: A stirring motor (10) is installed at the center of the upper surface of the drying cylinder (1), the output shaft of the stirring motor (10) penetrates into the drying cylinder (1) and is connected with a stirring shaft (11) through a shaft coupling, and a plurality of stirring blades (12) are uniformly arranged on the outer circumferential surface of the stirring shaft (11).

3. The high efficiency drying system for preparing active zinc oxide according to claim 2, characterized in that: The end of the stirring blade (12) is fixedly provided with an elastic scraper (14), and the end of the elastic scraper (14) is in contact with the inner wall of the drying cylinder (1).

4. The high efficiency drying system for preparing active zinc oxide according to claim 3, characterized in that: The stirring blades (12) located on different vertical lines outside the stirring shaft (11) are arranged in staggered manner in height.

5. The high efficiency drying system for producing active zinc oxide according to claim 2, wherein: The upper and lower surfaces of the stirring blade (12) are both provided with a plurality of turbulence blocks (13).

6. The high efficiency drying system for producing active zinc oxide according to claim 1, wherein: The upper surface of the drying cylinder (1) is provided with a moisture removal pipe (15), and a moisture removal fan is installed in the moisture removal pipe (15).

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