CN220250601U

CN220250601U - Powder drying device

Info

Publication number: CN220250601U
Application number: CN202321798008.8U
Authority: CN
Inventors: 张春丽
Original assignee: Henan Puqiang Biotechnology Co ltd
Current assignee: Henan Puqiang Biotechnology Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2023-12-26
Anticipated expiration: 2033-07-10

Abstract

The utility model provides a powder drying device, which relates to the technical field of powder drying, and comprises a powder drying tank, wherein a screening frame is arranged in the powder drying tank and is used for screening powder, a first stirring paddle and a second stirring paddle are arranged at the top of the screening frame, and a driving mechanism is arranged at the top of the powder drying tank and is used for driving the first stirring paddle and the second stirring paddle to rotate so as to stir the powder, thereby screening the powder; the driving mechanism drives the motor to drive the rotating shaft rod to rotate, simultaneously drives the first stirring paddle and the second stirring paddle to rotate along the circumferential direction of the top of the screening net, simultaneously starts the drying structure, dries the powder at the top of the first screening net, enables the powder to fall into the top of the second screening net when the first stirring paddle rotates, facilitates screening the powder to be separated, passes through the air outlet barrel, increases the contact area of the powder and the air outlet barrel, and further dries the powder.

Description

Powder drying device

Technical Field

The utility model relates to the technical field of powder drying, in particular to a powder drying device.

Background

The powder drying device is a device for drying wet powder or medicine. By removing water from the powder, the shelf life of the medicine can be prolonged, the stability of the medicine can be improved, and other forms of medicines such as tablets, capsules and the like can be conveniently prepared.

The powder is put into drying tunnel type drying equipment, the drying tunnel is heated to a preset temperature by feeding hot air, and the powder placed in the drying tunnel is contacted with the hot air to realize heat transfer, so that the moisture in the powder is gasified, and the drying purpose is further achieved. In use, it has been found that drying of the powder using a drying tunnel type drying apparatus is not uniform, drying efficiency is low, and after the powder is dried, sometimes sieving operation is required to remove particles of non-uniform or excessively large size therein, thereby obtaining fine-particle powder which meets the requirements, and thus a powder drying apparatus is required.

Disclosure of Invention

According to the defects in the prior art, the utility model provides the powder drying device, which solves the technical problems that the existing drying tunnel type drying equipment is used for drying powder, the drying is uneven, the drying efficiency is low, and after the powder is dried, sieving operation is sometimes needed to remove uneven or oversized particles in the powder, so that the fine-particle powder meeting the requirements is obtained.

The scheme adopted by the utility model is as follows: a powder drying device comprising:

the powder drying tank is internally provided with a screening frame for screening the powder, the top of the screening frame is provided with a first stirring paddle and a second stirring paddle, and the top of the powder drying tank is provided with a driving mechanism so that the driving mechanism drives the first stirring paddle and the second stirring paddle to rotate to stir the powder, thereby screening the powder;

the collecting hopper is arranged in the powder drying tank and is in a reverse conical shape so as to collect the sieved powder;

and the bottom scraping plate is arranged at the bottom of the inner side of the powder drying tank, so that the driving mechanism drives the bottom scraping plate to scrape, and the powder drying tank is used for discharging.

Preferably, the powder drying tank top is provided with the top cap, the top cap top is provided with the feed inlet to be used for feeding powder, powder drying tank one side is provided with the air heater, air heater one side fixedly connected with goes out the dryer.

Preferably, the driving mechanism comprises a driving motor, a top cover is fixedly connected to the bottom of the driving motor, a rotating shaft rod is fixedly connected to the output end of the driving motor, and the bottom of the rotating shaft rod is fixedly connected with the powder drying tank through a bearing fixing piece.

Preferably, the first stirring paddle and the second stirring paddle are respectively arranged on the outer side of the rotating shaft rod, the dispersing disc is arranged at the bottom of the outer side of the rotating shaft rod, a side scraping plate is fixedly connected to one side of the rotating shaft rod, which is close to the top of the dispersing disc, and a bottom scraping plate is arranged on the rotating shaft rod, which is close to the bottom of the dispersing disc.

Preferably, the powder drying pot is inside to be provided with the screening frame, the screening frame is provided with a plurality of, the screening frame is the ring form, the fluting has been seted up to screening frame one side, and the inside block of fluting is connected with the screening net, the laminating is provided with first stirring rake and second stirring rake respectively at screening net top.

Preferably, the powder drying tank is internally provided with a collecting funnel, two sides of the collecting funnel are fixedly connected with the powder drying tank through fixing blocks, and the circumference of the inner part of the collecting funnel is attached to the side scraping plates.

Preferably, supporting legs are symmetrically arranged at four corners of the bottom of the powder drying tank, and a discharge hole is formed in the middle of the bottom of the powder drying tank.

The utility model has the beneficial effects that:

the driving mechanism drives the motor to drive the rotating shaft rod to rotate, simultaneously drives the first stirring paddle and the second stirring paddle to rotate along the circumferential direction of the top of the screening net, simultaneously starts the drying structure, dries the powder at the top of the first screening net, enables the powder to fall into the top of the second screening net when the first stirring paddle rotates, facilitates screening the powder to be separated, passes through the air outlet barrel, increases the contact area of the powder and the air outlet barrel, and further dries the powder.

Drawings

Fig. 1 is a schematic perspective view of a powder drying apparatus according to the present utility model;

fig. 2 is a schematic cross-sectional view of a powder drying apparatus according to the present utility model;

fig. 3 is a detailed structural schematic diagram of a drying mechanism of a powder drying apparatus according to the present utility model;

fig. 4 is a schematic diagram of a sieving and drying layer of a powder drying apparatus according to the present utility model;

fig. 5 is a detailed structural schematic diagram of a stirring mechanism of a powder drying device according to the present utility model.

Reference numerals:

10. a powder drying tank; 101. support legs; 102. a top cover; 103. a feed inlet; 104. a discharge port; 105. an air heater; 106. an air outlet cylinder;

11. a driving motor; 111. a rotating shaft lever; 112. a first stirring paddle; 113. a second stirring paddle; 114. a dispersion plate; 115. a bottom scraper; 116. a side scraper;

12. a screening frame; 121. screening net;

13. a collection funnel; 131. and a fixed block.

Detailed Description

The existing drying tunnel type drying equipment is used for drying the powder, the drying is uneven, the drying efficiency is low, and after the powder is dried, sometimes sieving operation is needed to remove uneven or oversized particles in the powder, so that fine-particle powder meeting the requirements is obtained;

referring to fig. 1 to 5, a powder drying apparatus includes: a powder drying tank 10, a first stirring paddle 112, a second stirring paddle 113, a sieving frame 12 and a collecting hopper 13,

the powder drying tank 10 is internally provided with a screening frame 12, the screening frame 12 is in a ring shape, the size of screening is conveniently adjusted through a groove formed in one side of the screening frame 12, the top of the inner side of the screening frame 12 is provided with a first stirring paddle 112 and a second stirring paddle 113 respectively, the top of the powder drying tank 10 is provided with a driving mechanism, the driving mechanism drives the first stirring paddle 112 and the second stirring paddle 113 to rotate so as to stir the powder, drying is facilitated, the dried powder at the top of the first stirring paddle 112 falls into the top of the second stirring paddle 113 through stirring, further drying and screening are further achieved, the inner side of the powder drying tank 10 is provided with a collecting funnel 13, the collecting funnel 13 is in a cone shape and is used for collecting the powder, the bottom of the collecting funnel 13 is provided with a bottom scraping plate 115 so as to scrape the powder falling into the powder drying tank 10, and the powder is convenient to collect the powder and carry out the next processing;

referring to fig. 2 and 3, in the present utility model, preferably, the drying structure is provided with a hot air blower 105 and an air outlet barrel 106, and the air outlet barrel 106 is cylindrical in shape in cooperation with the first stirring paddle 112 and the second stirring paddle 113, so as to increase the drying range, uniformly dry and screen the powder to be separated while stirring, facilitate full drying, improve the processing efficiency, and facilitate screening the powder simultaneously;

referring to fig. 3 and 5, in the present utility model, preferably, the driving mechanism includes a driving motor 11, the driving motor 11 drives a rotating shaft rod 111 to rotate, a side scraping plate 116 is circumferentially arranged at the outer side of the rotating shaft rod 111, then the side scraping plate 116 may be provided with a plurality of side scraping plates, a dispersing disc 114 is arranged at the bottom of the rotating shaft rod 111 near the side scraping plate 116, the dispersing disc 114 is in a convex shape, so as to be used for dispersing dried powder, avoiding adhesion of powder which is not dried in time, and the rotating shaft rod 111 drives the side scraping plate 116 and the dispersing disc 114 to rotate, so that the side scraping plate 116 is attached to the inner wall of the collecting funnel 13 to rotate, and cleaning of the inner wall of the collecting funnel 13 is facilitated;

referring to fig. 4, in the present utility model, it is preferable that the number of the sieving frames 12 is several, and two in this embodiment, the number of the sieving frames 12 is determined according to the drying condition of the powder and the sieving condition of the powder.

Working principle: when the novel powder dryer is used, powder is put into the feeding hole 103 to enter the top of the screening net 121, the motor 11 is driven by the driving mechanism to drive the rotating shaft rod 111 to rotate, the first stirring paddle 112 and the second stirring paddle 113 are driven to rotate along the circumference of the top of the screening net 121, the drying structure is simultaneously started, the powder at the top of the first screening net 121 is dried, the powder falls into the top of the second screening net 121 when the first stirring paddle 112 rotates, the powder is conveniently screened while passing through the air outlet cylinder 106, the contact area between the powder and the air outlet cylinder 106 is increased, the powder is further dried, the powder falls into the top of the collecting hopper 13 after twice drying and screening, the powder is driven to fall through the dispersing disc 114 by the side scraping plate 116, so that the dried powder is scraped by the bottom scraping plate 115 and falls into the discharge hole 104, and further processing is carried out.

The above description is only for the purpose of illustrating the utility model, and it should be understood that the utility model is not limited to the above embodiments, but various modifications consistent with the idea of the utility model are within the scope of the utility model.

Claims

1. A powder drying apparatus, comprising:

the powder drying tank (10), a screening frame (12) is arranged in the powder drying tank (10) and used for screening the powder, a first stirring paddle (112) and a second stirring paddle (113) are arranged at the top of the screening frame (12), and a driving mechanism is arranged at the top of the powder drying tank (10) and used for enabling the driving mechanism to drive the first stirring paddle (112) and the second stirring paddle (113) to rotate so as to stir the powder, and screening is carried out;

the collecting funnel (13), the said collecting funnel (13) is installed in powder drying pot (10), the said collecting funnel (13) is in the shape of the cone of the reverse, in order to collect the powder after sieving;

and the bottom scraping plate (115), wherein the bottom scraping plate (115) is arranged at the bottom of the inner side of the powder drying tank (10) so that the driving mechanism drives the bottom scraping plate (115) to scrape, thereby discharging.

2. A powder drying device according to claim 1, characterized in that the top of the powder drying tank (10) is provided with a top cover (102), the top of the top cover (102) is provided with a feed inlet (103) for feeding powder, one side of the powder drying tank (10) is provided with a hot air blower (105), and one side of the hot air blower (105) is fixedly connected with an air outlet cylinder (106).

3. A powder drying device according to claim 1, wherein the driving mechanism comprises a driving motor (11), a top cover (102) is fixedly connected to the bottom of the driving motor (11), a rotating shaft lever (111) is fixedly connected to the output end of the driving motor (11), and the bottom of the rotating shaft lever (111) is fixedly connected with the powder drying tank (10) through a bearing fixing piece.

4. A powder drying device according to claim 3, wherein a first stirring paddle (112) and a second stirring paddle (113) are respectively arranged on the outer side of the rotating shaft rod (111), a dispersion disc (114) is arranged at the bottom of the outer side of the rotating shaft rod (111), a side scraping plate (116) is fixedly connected to one side of the rotating shaft rod (111) close to the top of the dispersion disc (114), and a bottom scraping plate (115) is arranged at the bottom of the rotating shaft rod (111) close to the dispersion disc (114).

5. A powder drying device according to claim 1, characterized in that a screening frame (12) is arranged in the powder drying tank (10), the screening frame (12) is provided with a plurality of screening frames, the screening frame (12) is in a circular ring shape, a slot is formed in one side of the screening frame (12), a screening net (121) is connected with the slot in a clamping mode, and a first stirring paddle (112) and a second stirring paddle (113) are respectively attached to the top of the screening net (121).

6. A powder drying device according to claim 4, wherein a collecting funnel (13) is arranged inside the powder drying tank (10), two sides of the collecting funnel (13) are fixedly connected with the powder drying tank (10) through fixing blocks (131), and the inner circumference of the collecting funnel (13) is attached to the side scraping plates (116).

7. A powder drying device according to claim 1, characterized in that the powder drying tank (10) is provided with support legs (101) in four corners at the bottom, and the powder drying tank (10) is provided with a discharge port (104) in the middle of the bottom.