CN216282370U - Dehumidification device on vacuum freeze dryer - Google Patents

Abstract

The utility model discloses a dehumidifying device on a vacuum freeze dryer, which is arranged at a cold trap bin of a vacuum freeze dryer body, wherein an air guide channel is arranged between the cold trap bin and a shelf bin, the dehumidifying device comprises a first pipeline, a first spiral blade shaft, a material guide pipe, a second pipeline, a second spiral blade shaft, a feeding pipeline, a discharging pipeline, a belt pulley, a driving motor, a protective cover, an exhaust pipe and a vacuum pump, first micropores are uniformly distributed on a pipe body of the first pipeline, the first spiral blade shaft and the second spiral blade shaft are arranged in the first pipeline and the second pipeline, the first pipeline and the second pipeline are mutually communicated through the material guide pipe, the spiral directions of the spiral blades of the first spiral blade shaft and the second spiral blade shaft are opposite, and the position of the second pipeline, which is close to the discharging pipe, is communicated with the vacuum pump outside the cold trap bin through the exhaust pipe. The utility model utilizes the pipeline system to store silica gel desiccant particles, and simultaneously utilizes most pipelines of the pipeline system as gas path channels, thereby improving the dehumidification effect of the cold trap of the vacuum freeze dryer, improving the drying efficiency and protecting the vacuum pump.

Description

Dehumidification device on vacuum freeze dryer

Technical Field

The utility model relates to the technical field of vacuum drying, in particular to a dehumidifying device on a vacuum freeze dryer.

Background

Vacuum freeze-drying machines are commonly used for drying high-grade raw material medicines, traditional Chinese medicine decoction pieces, organisms, wild vegetables, dehydrated vegetables, foods, fruits, chemical engineering, pharmaceutical intermediates and other materials. The vacuum freeze drier consists of refrigerating system, vacuum system, heating system, dehumidifying system, etc. the dehumidifying system usually adopts cold trap structure. The freeze-drying cavity and the cold trap of the bell jar type freeze-dryer are of a separate upper and lower structure, most experimental freeze-dryers are of bell jar type, and the experimental freeze-dryer is simple in structure, low in manufacturing cost and wide in application range. However, in the using process, because the cold trap and the drying bin are of an integrated structure, the space is large, and water vapor is not easily captured by the condensation pipe when passing through the cold trap, so that a large amount of moisture is brought into the vacuum pump of the vacuum system along with air, and the emulsification of lubricating oil in the vacuum pump and other adverse effects are easily caused.

To this end, patent specification No. CN205784244U discloses a vacuum freeze dryer dehumidifier, which includes a dehumidifier main body, wherein the dehumidifier main body is provided with two ring-shaped main bodies connected into a whole in a W shape; the upper ends of the outermost sides of the two annular main bodies are also connected with a cover plate through bolts and nuts; an annular baffle is arranged inside each of the two annular bodies. This vacuum freeze drier dehydrating unit can effectively solve among the vacuum freeze drying process because the cold trap catches water thoroughly and the condition of emulsifying rotten and other problems appears in the vacuum pump lubricating oil that causes easily, promotes vacuum freeze drier cold trap dehumidification effect.

However, the dehumidification device of the vacuum freeze dryer has the defects in use, the cold trap bin needs to be opened for the desiccant in the dehumidification device, the cover plate is detached again, and the dehumidification device can be replaced, so that the replacement operation is very complicated. Therefore, it is necessary to optimize and improve it.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming the above problems in the prior art and providing a dehumidifying apparatus for a vacuum freeze dryer.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

a dehumidification device on a vacuum freeze dryer is arranged at a cold trap bin of a vacuum freeze dryer body, an air guide channel is arranged between the cold trap bin and a shelf bin, the dehumidification device comprises a first pipeline, a first spiral blade shaft, a material guide pipe, a second pipeline, a second spiral blade shaft, a feeding pipeline, a discharging pipeline, a belt pulley, a driving motor, a protective cover, an exhaust pipe and a vacuum pump, first micropores are uniformly distributed on a pipe body of the first pipeline, the first spiral blade shaft is installed in the first pipeline, the second spiral blade shaft is installed in the second pipeline, the first pipeline and the second pipeline are communicated with each other through the material guide pipe, spiral directions of the spiral blades of the first spiral blade shaft and the second spiral blade shaft are opposite, end parts of the first spiral blade shaft and the second spiral blade shaft extending out of the cold trap bin are in transmission connection through the belt pulley, the first spiral blade shaft is driven to rotate by an output shaft of the driving motor, the first pipeline is located the tip intercommunication of keeping away from the passage and has the inlet pipe, the second pipeline is located the tip intercommunication of keeping away from the passage and has arranges the material pipe, the second pipeline is close to row material pipe department and passes through exhaust tube and the vacuum pump intercommunication that is located the cold-trap storehouse outside.

Furthermore, in the dehumidification device of the vacuum freeze dryer, the first pipeline and the second pipeline are filled with reusable silica gel desiccant particles.

Further, in the dehumidification device on the vacuum freeze dryer, the spiral blades of the first spiral blade shaft and the second spiral blade shaft are provided with second micropores, and the pore diameters of the first micropores and the second micropores are smaller than the particle size of the silica gel desiccant particles.

Further, in the above-mentioned dehydrating unit on the vacuum freeze dryer, the feed pipe, arrange the material pipe and respectively incline and set up, the feed inlet of feed pipe is located the high position.

Further, in the above-mentioned dehydrating unit on the vacuum freeze dryer, the bin outlet of arranging the material pipe is located the low level, the feed inlet of inlet pipe, the bin outlet department of arranging the material pipe are equipped with the sealing door that can rotate and open respectively.

Further, in the above-mentioned dehumidifier of the vacuum freeze dryer, the position of the condensation duct in the cold trap bin and the position of the dehumidifier component are staggered with each other.

The utility model has the beneficial effects that:

the vacuum freeze dryer is reasonable in structural design, the first guide pipe, the material guide pipe and the second pipeline form a pipeline system to store silica gel desiccant particles, and meanwhile, most pipelines of the pipeline system are used as gas path channels, so that the cold trap dehumidification effect of the vacuum freeze dryer is improved, the drying efficiency is improved, and the vacuum pump is protected; when the silica gel desiccant particles need to be replaced, the inside silica gel desiccant particles are discharged from the discharge pipeline by using the pushing mechanism consisting of the driving motor, the first spiral blade shaft and the second spiral blade shaft, and the new silica gel desiccant particles are led in from the feed pipeline, so that the quick replacement operation can be realized by the mode, and the complex cover disassembly is not needed.

Of course, it is not necessary for any one product that embodies the utility model to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the present invention in use;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the structure of a first micro-hole in a first conduit according to the present invention;

FIG. 4 is a schematic structural view of a feed pipe and a discharge pipe in the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

the vacuum freeze dryer comprises a vacuum freeze dryer body, a shelf bin, a cold trap bin, a 4-air guide channel, a 5-first pipeline, a 6-first screw blade shaft, a 7-material guide pipe, an 8-second pipeline, a 9-second screw blade shaft, a 10-feeding pipeline, an 11-discharging pipeline, a 12-belt pulley, a 13-driving motor, a 14-protective cover, a 15-air exhaust pipe and a 16-vacuum pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present embodiment provides a dehumidifier on a vacuum freeze dryer, the dehumidifier is disposed at a cold trap bin 3 of a vacuum freeze dryer body 1, and an air guide channel 4 is disposed between the cold trap bin 3 and a shelf bin 2. The positions of the condensation pipes in the cold trap bin 3 and the positions of the dehumidifying device parts are staggered.

In this embodiment, the dehumidifying apparatus includes a first pipeline 5, a first spiral blade shaft 6, a material guiding pipe 7, a second pipeline 8, a second spiral blade shaft 9, a material feeding pipeline 10, a material discharging pipeline 11, a belt pulley 12, a driving motor 13, a protective cover 14, an air suction pipe 15 and a vacuum pump 16. The body equipartition of first pipeline 5 has first micropore, installs first spiral shell leaf axle 6 in the first pipeline 5. A second screw shaft 9 is arranged in the second pipeline 8, and the first pipeline 5 and the second pipeline 8 are communicated with each other through a material guide pipe 7.

In this embodiment, the spiral directions of the first spiral blade shaft 6 and the second spiral blade shaft 9 are opposite, and the ends of the first spiral blade shaft 6 and the second spiral blade shaft 9 extending out of the cold trap bin 3 are in transmission connection through a belt pulley 12. The first helical blade shaft 6 is driven by an output shaft of a driving motor 13 to rotate, a feeding pipe 10 is communicated with the end part, far away from the material guide pipe 7, of the first pipeline 5, and a discharging pipe 11 is communicated with the end part, far away from the material guide pipe 7, of the second pipeline 8.

In this embodiment, the first and second pipes 5 and 8 are filled with silica gel desiccant particles that can be reused. Second micropores are formed in the spiral leaves of the first spiral leaf shaft 6 and the second spiral leaf shaft 9, and the aperture of each of the first micropores and the aperture of each of the second micropores are smaller than the particle size of the silica gel desiccant particles.

In this embodiment, inlet pipe 10, row's material pipe 11 slope setting separately, and the feed inlet of inlet pipe 10 is located the high level, and the bin outlet of arranging material pipe 11 is located the low level, and feed inlet of inlet pipe 10, row's material pipe 11's bin outlet department is equipped with the sealing door that can rotate to open respectively.

In this embodiment, the second pipeline 8 is connected to a vacuum pump 16 located outside the cold trap chamber 3 through an exhaust pipe 15 near the discharge pipe 11.

One specific application of this embodiment is: the vacuum freeze dryer is reasonable in structural design, a pipeline system is formed by the first guide pipe 5, the material guide pipe 7 and the second pipeline 8 to store silica gel desiccant particles, and meanwhile, most pipelines of the pipeline system are used as gas path channels, so that the dehumidification effect of a cold trap of the vacuum freeze dryer is improved, the drying efficiency is improved, and a vacuum pump is protected; when silica gel desiccant particles need to be replaced, the silica gel desiccant particles in the silica gel desiccant particles are discharged from the discharge pipeline 11 by using a pushing mechanism consisting of the driving motor 13, the first spiral blade shaft 6 and the second spiral blade shaft 9, and new silica gel desiccant particles are led in from the feed pipeline 10.

The preferred embodiments of the present invention disclosed above are intended to facilitate the explanation of the present invention only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a dehydrating unit on vacuum freeze dryer, this dehydrating unit locate the cold trap storehouse department of vacuum freeze dryer body, air guide channel has been seted up between cold trap storehouse and the shelf storehouse, its characterized in that: the dehumidifying device comprises a first pipeline, a first spiral blade shaft, a material guide pipe, a second pipeline, a second spiral blade shaft, a feeding pipeline, a material discharging pipeline, a belt pulley, a driving motor, a protective cover, an exhaust pipe and a vacuum pump, wherein first micropores are uniformly distributed on a pipe body of the first pipeline, the first spiral blade shaft is installed in the first pipeline, the second spiral blade shaft is installed in the second pipeline, the first pipeline and the second pipeline are communicated with each other through the material guide pipe, the spiral directions of the spiral blades of the first spiral blade shaft and the second spiral blade shaft are opposite, the end parts of the first spiral blade shaft and the second spiral blade shaft extending out of the cold trap bin are in transmission connection through the belt pulley, the first spiral blade shaft is driven to rotate by an output shaft of the driving motor, the end part of the first pipeline, which is positioned far away from the material guide pipe, is communicated with the material guide pipe, the end part of the second pipeline, which is positioned far away from the material guide pipe, is communicated with the material discharging pipe, and the second pipeline is communicated with a vacuum pump positioned outside the cold trap bin through an exhaust pipe at a position close to the discharge pipe.

2. The dehumidification apparatus of a vacuum freeze dryer according to claim 1, wherein: silica gel desiccant particles which can be used repeatedly are filled in the first pipeline and the second pipeline.

3. The dehumidification apparatus of a vacuum freeze dryer according to claim 2, wherein: and the spiral leaves of the first spiral leaf shaft and the second spiral leaf shaft are provided with second micropores, and the aperture of each of the first micropores and the second micropores is smaller than the particle size of the silica gel desiccant particles.

4. The dehumidification apparatus of a vacuum freeze dryer according to claim 1, wherein: the inlet pipe, arrange the slope setting of material pipe separately, the feed inlet of inlet pipe is located the high level.

5. The dehumidification apparatus of a vacuum freeze dryer according to claim 1, wherein: the bin outlet of arranging the material pipe is located the low level, the feed inlet of inlet pipe, the bin outlet department of arranging the material pipe are equipped with the sealing door that can rotate and open respectively.

6. The dehumidification apparatus of a vacuum freeze dryer according to claim 1, wherein: and the positions of the condensation pipes in the cold trap bin and the positions of the dehumidifying device parts are staggered.

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