CN213514833U

CN213514833U - Vacuum rake dryer of dual even constant temperature heating

Info

Publication number: CN213514833U
Application number: CN202022376517.4U
Authority: CN
Inventors: 陆国民; 倪新兵; 陆冬海; 梅建平; 陆静; 唐珂楠
Original assignee: Jiangyin Fengli Biochemical Engineering Equipment Co ltd
Current assignee: Jiangyin Fengli Biochemical Engineering Equipment Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-22
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to a dual even constant temperature heating vacuum rake dryer, which comprises a cylinder, a speed reducer and a central rotating shaft, wherein the central rotating shaft penetrates through the cylinder and is connected with a plurality of stirring blades through a connecting shaft, the axial direction of the connecting shaft is vertical to the central rotating shaft, and the stirring blades are obliquely connected with the connecting shaft; the central rotating shaft and the connecting shaft are hollow shafts, the stirring blades are also hollow blades, the central rotating shaft is communicated with the stirring blades, and one end of the central rotating shaft is connected with a heat medium inlet; the outer wall of the cylinder body is provided with a jacket. The utility model discloses the barrel adopts the clamp to press from both sides cover heating methods outward, and the while is inside to replace the rake teeth with the paddle to with driving shaft and paddle design into cavity interior heating form, from interior to exterior dual even constant temperature heating not only increases heat transfer area, improves space and energy utilization, has also improved the motion state of material in the barrel, has improved production efficiency.

Description

Vacuum rake dryer of dual even constant temperature heating

Technical Field

The utility model relates to a desiccator technical field especially relates to a vacuum rake dryer of dual even constant temperature heating.

Background

The vacuum rake dryer is a conductive heat transfer dryer, the material does not directly contact with heating medium, and is suitable for drying a small amount of pasty, powdery, thermosensitive material needing low-temperature drying, and material requiring organic solvent recovery.

At present, the vacuum rake dryer adopts an external jacket to heat, the interior of the tank body is heated unevenly, mother liquor is easy to scar on the inner wall of the tank body, the heat transfer efficiency of the dryer can be influenced by excessive scarring, the moisture of materials at the outlet of the dryer is ultrahigh, the consumption is increased, the dryer needs to be stopped to be manually cleaned, the labor intensity of cleaning work is high, the operation is very troublesome, the normal production is influenced, and the product cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned not enough, provide a vacuum rake dryer of dual even constant temperature heating.

The purpose of the utility model is realized like this:

a double uniform constant temperature heating vacuum rake dryer comprises a cylinder body, a speed reducer and a central rotating shaft, wherein the cylinder body is arranged on a supporting seat, sealing covers for sealing the cylinder body are fixedly arranged at two ends of the cylinder body through flanges, the central rotating shaft penetrates through the cylinder body, one end, located on the outer side of the cylinder body, of the central rotating shaft is connected with the output end of the speed reducer, the central rotating shaft is located on the cylinder body and connected with a stirring device, the stirring device comprises a plurality of stirring blades connected with the central rotating shaft through connecting shafts, the axial direction of the connecting shafts is perpendicular to the central rotating shaft, and the stirring blades are obliquely; the central rotating shaft and the connecting shaft are hollow shafts, the stirring blades are also hollow blades, the central rotating shaft is communicated with the stirring blades, and one end of the central rotating shaft is connected with a heat medium inlet; the outer wall of the cylinder body is provided with a jacket.

Further, the adjacent stirring blades are inclined in opposite directions.

Furthermore, a bag-type dust collector is further arranged on the cylinder body, a filter is arranged in the bag-type dust collector, and a vacuumizing opening is formed in the bag-type dust collector.

Furthermore, the top of barrel is provided with steam inlet, liquid feed inlet, solid charge door and washing manhole, is provided with comdenstion water export and discharge gate in the bottom of barrel. Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the barrel adopts the clamp to press from both sides cover heating methods outward, and the while is inside to replace the rake teeth with the paddle to with driving shaft and paddle design into cavity interior heating form, from interior to exterior dual even constant temperature heating not only increases heat transfer area, improves space and energy utilization, has also improved the motion state of material in the barrel, has improved production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a side view of the present invention.

Wherein:

the device comprises a cylinder body 1, a speed reducer 2, a sealing cover 4, a central rotating shaft 5, a stirring blade 6, a jacket 7, a steam inlet 8, a liquid feed inlet 9, a solid feed inlet 10, a condensed water outlet 11, a discharge outlet 12, a cleaning manhole 13, a heat medium inlet 14, a bag-type dust collector 15, a filter 16 and a vacuumizing port 17.

Detailed Description

For better understanding of the technical solution of the present invention, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present invention, but only the embodiments of the present invention. It should be noted that the description of the positional relationship of the components, such as the component a is located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.

Example 1:

referring to fig. 1-3, fig. 1 depicts a schematic structural diagram of the present invention. As shown in the figure, the utility model relates to a dual even constant temperature heating's vacuum rake dryer, it includes barrel 1, speed reducer 2 and central pivot 5, and barrel 1 installs on the supporting seat, and there is the sealed lid 4 that is used for sealed barrel 1 at barrel 1's both ends through flange fixed mounting, has run through central pivot 5 in barrel 1, and central pivot 5 is located the one end in the 1 outside of barrel and is connected with speed reducer 2's output, and central pivot 5 is located 1 in-connection agitating unit of barrel, central pivot 5 with the 1 coaxial setting of barrel.

The stirring device comprises a plurality of stirring blades 6 connected with the central rotating shaft 5 through connecting shafts, the connecting shafts are axially vertical to the central rotating shaft 5, the stirring blades 6 are obliquely connected with the connecting shafts, and the inclination directions of the adjacent stirring blades 6 are opposite.

The central rotating shaft 5 and the connecting shaft are hollow shafts, the stirring blades 6 are hollow blades, the central rotating shaft 5 is communicated with the stirring blades 6, one end of the central rotating shaft 5 is connected with a heat medium inlet 14, and heat media such as heat conduction oil are introduced.

The outer wall of the cylinder body 1 is provided with a jacket 7; the top of barrel 1 is provided with steam inlet 8, liquid feed inlet 9, solid charge door 10 and washs manhole 13, is provided with comdenstion water export 11 and discharge gate 12 in the bottom of barrel 1.

The barrel body 1 is further provided with a bag-type dust collector 15, a filter 16 is arranged in the bag-type dust collector 15, and a vacuumizing opening 17 is formed in the bag-type dust collector 15.

The working principle is as follows:

the material enters the cylinder body from the feed inlet, hot water vapor is introduced into the jacket from the water inlet to heat and dry the material in the cylinder body, the steam after heat exchange is condensed into water and discharged from a condensed water outlet, in the drying process, a heat medium enters the central rotating shaft and the stirring blades, the speed reduction motor drives the central rotating shaft to rotate, and the stirring blades on the central rotating shaft stir the material, so that the material is dried quickly, and meanwhile, the material adhered to the inner wall of the cylinder body is scraped; after the material is solidified, stopping introducing hot water into the jacket, stopping introducing a heat medium into the central rotating shaft, closing the speed reducing motor, starting cooling the material solid, and pouring the material solid from the discharge hole after the temperature of the material solid reaches a certain value, thereby completing the production of the material; carry out dual constant temperature uniform heating to the material in the desiccator, the material round trip movement in the bucket under agitating unit's stirring makes the material can stir abundant, dry even.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a vacuum rake dryer of dual even constant temperature heating, it includes barrel (1), speed reducer (2) and central pivot (5), install on the supporting seat barrel (1), there is sealed lid (4) that are used for sealed barrel (1) at the both ends of barrel (1) through flange fixed mounting, it has central pivot (5) to run through in barrel (1), the one end that central pivot (5) are located barrel (1) outside is connected with the output of speed reducer (2), central pivot (5) are located barrel (1) in-connection agitating unit, its characterized in that: the stirring device comprises a plurality of stirring blades (6) connected with the central rotating shaft (5) through connecting shafts, the connecting shafts are axially vertical to the central rotating shaft (5), and the stirring blades (6) are obliquely connected with the connecting shafts; the central rotating shaft (5) and the connecting shaft are hollow shafts, the stirring blades (6) are also hollow blades, the central rotating shaft (5) is communicated with the stirring blades (6), and one end of the central rotating shaft (5) is connected with a heat medium inlet (14); the outer wall of the cylinder body (1) is provided with a jacket (7).

2. The dual uniform constant temperature heated vacuum rake dryer as claimed in claim 1, wherein: the adjacent stirring blades (6) are inclined in opposite directions.

3. The dual uniform constant temperature heated vacuum rake dryer as claimed in claim 1, wherein: the vacuum bag dust collector is characterized in that a bag-type dust collector (15) is further arranged on the barrel body (1), a filter (16) is arranged in the bag-type dust collector (15), and a vacuumizing opening (17) is formed in the bag-type dust collector (15).

4. The dual uniform constant temperature heated vacuum rake dryer as claimed in claim 1, wherein: the top of barrel (1) is provided with steam inlet (8), liquid feed inlet (9), solid charge door (10) and washing manhole (13), is provided with comdenstion water export (11) and discharge gate (12) in the bottom of barrel.