CN212119057U

CN212119057U - Low-pressure spray dryer

Info

Publication number: CN212119057U
Application number: CN202020421381.1U
Authority: CN
Inventors: 陈琪; 马飞祥; 肖志彬; 刘婷婷; 白图雅
Original assignee: Inner Mongolia Medical University
Current assignee: Inner Mongolia Medical University
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2020-12-11
Anticipated expiration: 2030-03-28

Abstract

The utility model belongs to the technical field of drying, in particular to a low-pressure spray dryer, which comprises a dryer body, a conveying pipeline is arranged at the upper end of the dryer body, a gas pipe is arranged at one side of the dryer body, a rotary stirring component is arranged at the upper end of the interior of the dryer body, the rotary stirring component comprises a motor, a rotary seat, a clamping seat and a paddle board, the output end of the motor is connected with the rotary seat through transmission shaft transmission, a plurality of clamping seats are integrally formed at the periphery of the outer part of the rotary seat, the paddle board is arranged at one side of the clamping seat, a plurality of exhaust components are arranged at the upper end of the dryer body, the exhaust components comprise a pipe body, an exhaust bin and a gas collecting bin, an exhaust channel is arranged in the exhaust bin, the gas collecting bin is fixed at the bottom end of the pipe body, a plurality of filter holes are arranged at the periphery of the bottom of the gas collecting bin, when the, the sprayed raw materials are swirled and stirred again, and are fully contacted with hot air, so that the raw materials are dried conveniently.

Description

Low-pressure spray dryer

Technical Field

The utility model belongs to the technical field of the drying, concretely relates to low pressure spray drier.

Background

Spray drying is a method for applying systematic technology to material drying, raw materials are atomized in a drying chamber, moisture is rapidly gasified in contact with hot air, and a dried product is obtained, so that the working procedures of evaporation, crushing and the like can be omitted, and the spray drying can be divided into: pressure spray drying methods, centrifugal spray drying methods, and air-stream spray drying methods, wherein the pressure spray drying methods can be classified into high-pressure spray drying methods and low-pressure spray drying methods.

The low pressure spray dryer sold on the market at present realizes the transport of raw materials through the low pressure pump body, and the raw materials contact with the hot-air of dryer internal input after the atomizer sprays out in the atomizing, thereby moisture gasifies and discharges fast and obtains dry product, and current low pressure spray dryer has following problem in the use: when the liquid raw material is atomized and sprayed out by the atomizer, because the bottom close to the atomizer is lack of a better rotary stirring structure, the raw material cannot be rotated and stirred again after being atomized and sprayed out by the atomizer so as to reach a farther splashing range and be fully contacted with hot air; meanwhile, gas is formed after moisture is gasified and is diffused through a plurality of exhaust through holes formed in the periphery of the outer part of the dryer, and external dust easily drifts into the inside of the dryer through the through holes, so that raw material pollution is caused, the cleaning is inconvenient, and the drying treatment of products is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a low pressure spray drier has simple structure and uses convenient characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low pressure spray drier, including the desiccator body, the conveying pipeline is installed to the upper end of desiccator body, the gas-supply pipe is installed to one side of desiccator body, the inside upper end of desiccator body is provided with and stirs the subassembly soon, it includes the motor to stir the subassembly soon, revolve the seat, cassette and paddle, the output of motor is connected with through the transmission shaft transmission and revolves the seat, the outside integrated into one piece all around of revolving the seat has a plurality of cassette, one side of cassette is provided with the paddle, the upper end of desiccator body is provided with a plurality of exhaust subassembly, exhaust subassembly includes the body, exhaust storehouse and gas collecting bin, the upper end integrated into one piece of body has the exhaust storehouse, the inside in exhaust storehouse has been seted up the exhaust channel, the bottom mounting of body has the gas collecting bin, a plurality of filtration.

As the utility model discloses a preferred technical scheme of low pressure spray drier, the motor is connected with one side surface stationary phase of desiccator body, and the transmission shaft of motor output runs through one side inside and outside wall of desiccator body, and the cassette just is the annular and arranges for square structure, and the cassette is inserted each other with the oar board and is closed and pass through the bolt stationary phase and be connected, and the oar board just is the annular and arranges for the arc structure.

As the utility model discloses a preferred technical scheme of low pressure spray dryer, the body runs through the upper end inside and outside wall of desiccator body and is connected with the desiccator body is fixed, and the exhaust storehouse is the arc structure with the exhaust duct way, and the both ends opening of exhaust duct way all inclines down.

As the utility model discloses a preferred technical scheme of low pressure spray dryer, the outside in gas collection storehouse is the arc structure all around.

As the utility model discloses a preferred technical scheme of low pressure spray dryer, body, exhaust storehouse and the inside intercommunication in gas collecting storehouse three.

As the utility model discloses a preferred technical scheme of low pressure spray dryer, conveying pipeline and gas-supply pipe all communicate with each other with the desiccator body is inside.

Compared with the prior art, the beneficial effects of the utility model are that: the rotary stirring component is arranged at the upper end in the dryer body, raw materials are input into the original atomizer through the conveying pipe and are atomized and sprayed out through the atomizer, the plurality of paddle boards are driven to rotate through the transmission of a motor in the rotary stirring component when the raw materials are sprayed out, the sprayed raw materials are subjected to secondary rotary stirring and are made to be in contact with hot air input into the dryer body through the air conveying pipe, the raw materials are dried conveniently, the drying speed is higher, and meanwhile, the rotary stirring component is convenient to install and disassemble and convenient to replace; the upper end of desiccator body is provided with a plurality of exhaust subassembly, exhaust subassembly's upper end is provided with the exhaust storehouse, and the outside of exhaust storehouse and desiccator body communicates with each other, exhaust subassembly's bottom is provided with gas collection storehouse, and the gas collection storehouse communicates with each other with the inside of desiccator body, a plurality of filtration pore of being convenient for is gone into all around seted up through gas collection storehouse and gas collection storehouse bottom, the gaseous discharge of exhaust channel of being convenient for through the inside seting up in exhaust storehouse and exhaust storehouse, the gaseous effluvium of being convenient for, and outside dust is difficult for getting into, moreover, the steam generator is simple in structure, and convenient for use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the installation and disassembly structure of the rotary stirring assembly of the present invention;

fig. 4 is a schematic structural view of an exhaust assembly according to the present invention;

fig. 5 is a schematic view of a half-sectional structure of an exhaust assembly according to the present invention;

in the figure: 1. a dryer body; 2. a delivery pipe; 3. a gas delivery pipe; 4. a rotary stirring component; 5. an exhaust assembly; 6. a motor; 7. rotating the base; 8. a card holder; 9. a paddle board; 10. a bolt; 11. a pipe body; 12. an exhaust bin; 13. a vent channel; 14. a gas collecting bin; 15. and (4) filtering holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a low-pressure spray dryer comprises a dryer body 1, a material conveying pipe 2 is installed at the upper end of the dryer body 1, a gas conveying pipe 3 is installed at one side of the dryer body 1, a rotary stirring assembly 4 is arranged at the upper end of the interior of the dryer body 1, the rotary stirring assembly 4 comprises a motor 6, a rotary base 7, clamping bases 8 and a paddle board 9, the output end of the motor 6 is connected with the rotary base 7 through a transmission shaft in a transmission manner, a plurality of clamping bases 8 are integrally formed at the periphery of the outer portion of the rotary base 7, the paddle board 9 is arranged at one side of each clamping base 8, a plurality of exhaust assemblies 5 are arranged at the upper end of the dryer body 1, each exhaust assembly 5 comprises a pipe body 11, an exhaust bin 12 and an air collecting bin 14, an exhaust bin 12 is integrally formed at the upper end of the pipe body 11, an exhaust channel 13 is formed inside the exhaust bin 12, an air collecting bin 14 is fixed at the bottom end of, in this embodiment, please refer to the low-pressure spray dryer with model ZPG for use of the dryer body 1, the material conveying pipe 2 is made of metal material for conveying liquid material, the gas conveying pipe 3 is made of metal material for conveying hot air, the upper end inside the dryer body 1 is provided with the rotary stirring component 4, the material is input into the original atomizer through the material conveying pipe 2 and is atomized and ejected through the atomizer, while the material is ejected, the motor 6 in the rotary stirring component 4 drives the plurality of paddle boards 9 to rotate, the ejected material is rotated and stirred again, and is made to contact with the hot air input into the dryer body 1 through the gas conveying pipe 3, so that the material is dried, the drying speed is higher, and meanwhile, the rotary stirring component 4 is convenient to install and detach and replace; the upper end of desiccator body 1 is provided with a plurality of exhaust subassembly 5, the upper end of exhaust subassembly 5 is provided with exhaust storehouse 12, and exhaust storehouse 12 communicates with each other with the outside of desiccator body 1, the bottom of exhaust subassembly 5 is provided with gas collection storehouse 14, and gas collection storehouse 14 communicates with each other with the inside of desiccator body 1, a plurality of filtration pore 15 of crossing of seting up all around through gas collection storehouse 14 and gas collection storehouse 14 bottom is convenient for gaseous collection and is gone into, the inside discharge of being convenient for of exhaust channel 13 of seting up through exhaust storehouse 12 and exhaust storehouse 12, the gaseous effluvium of being convenient for, and outside dust is difficult for entering, moreover, the steam generator is simple in structure, and convenient use.

Specifically, the motor 6 is fixedly connected with the outer surface of one side of the dryer body 1, a transmission shaft at the output end of the motor 6 penetrates through the inner wall and the outer wall of one side of the dryer body 1, the clamping seats 8 are in a square structure and are arranged in an annular shape, the clamping seats 8 and the paddle boards 9 are mutually inserted and fixedly connected through bolts 10, the paddle boards 9 are in an arc structure and are arranged in an annular shape, in the embodiment, the rotary stirring component 4 comprises the motor 6, a rotary seat 7, the clamping seats 8 and the paddle boards 9, the output end of the motor 6 is connected with the rotary seat 7 through transmission shaft transmission, a plurality of clamping seats 8 are integrally formed around the outer part of the rotary seat 7, the paddle boards 9 are arranged on one side of the clamping seats 8, the motor 6 can refer to the motor 6 with the ROKK model, the motor 6 is arranged outside the dryer body 1 and is in transmission connection with the rotary seat 7 inside the dryer body 1, the cassette 8 is the square structure of metal and inside offers the square slot (slot not drawn in the figure) that is used for oar board 9 to insert to close, oar board 9 is the metal material, oar board 9 is inserted each other with cassette 8 and is closed and fixedly connected through bolt 10, when using, motor 6 transmission drives revolves seat 7, cassette 8 and oar board 9 and rotates, thereby carry out further rotating stirring to spun raw materials, make it fully contact with the inside hot-air of desiccator body 1, when oar board 9 need be torn open and trade, outside rotating cassette 8 outside bolt 10, it can from the inside extraction of cassette 8 with oar board 9.

Specifically, the pipe 11 penetrates through the inner and outer walls of the upper end of the dryer body 1 and is fixedly connected with the dryer body 1, the exhaust bin 12 and the exhaust channel 13 are both arc-shaped structures, openings at two ends of the exhaust channel 13 are inclined downward, in the embodiment, the exhaust assembly 5 comprises the pipe 11, the exhaust bin 12 and the gas collection bin 14, the exhaust bin 12 is integrally formed at the upper end of the pipe 11, the exhaust channel 13 is formed inside the exhaust bin 12, the gas collection bin 14 is fixed at the bottom end of the pipe 11, a plurality of filtering holes 15 are formed around the bottom of the gas collection bin 14, the pipe 11 is made of metal, the exhaust bin 12 is in a metal arc shape, the exhaust channel 13 is in an arc-shaped structure, openings at two ends are inclined downward, the gas collection bin 14 is in a metal arc shape, and a plurality of filtering holes 15 for gas filtering are formed around the bottom, when in use, moisture in the raw material is gasified to form gas, the gas is filtered through the filtering holes 15 at the bottom, the gas drifts upwards through the tube 11 and is emitted through the exhaust channel 13 inside the exhaust bin 12, the raw material is atomized and dried to obtain a dried product, and then the dried product inside the dryer body 1 is taken out.

Specifically, the periphery of the outside of the gas collecting bin 14 is an arc-shaped structure.

Specifically, the pipe body 11, the exhaust bin 12 and the air collecting bin 14 are communicated with each other.

Specifically, the material conveying pipe 2 and the gas conveying pipe 3 are communicated with the inside of the dryer body 1.

The utility model discloses a theory of operation and use flow: when the utility model is used, the external power supply starts the dryer body 1, the external hot air is input into the dryer body 1 through the gas pipe 3, the external raw material passes through the feed pipe 2 and the original low-pressure pump body installed at a certain section of the feed pipe 2, the low-pressure pump body in the figure is not marked, the external raw material is input into the original atomizer at the upper end in the dryer body 1 under pressure, the atomizer in the figure is not marked, and then the external raw material is atomized and sprayed out through the atomizer, meanwhile, the motor 6 drives the rotary base 7, the clamping base 8 and the paddle board 9 to rotate, thereby further rotating and stirring the sprayed raw material, the raw material is fully contacted with the hot air in the dryer body 1, the moisture in the raw material is gasified to form gas, the gas is filtered through the filtering hole 15 at the bottom end of the gas collecting bin 14 and enters the inside of the tube body 11, the gas floats upwards through the tube body 11 and is discharged through the exhaust channel 13 in the exhaust bin 12, the raw materials are atomized and dried to obtain a dry product, then the dry product in the dryer body 1 is taken out, when the paddle board 9 needs to be detached and replaced, the bolt 10 outside the clamping seat 8 is screwed outwards, and the paddle board 9 is pulled out from the clamping seat 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low pressure spray dryer characterized in that: comprises a dryer body (1), a material conveying pipe (2) is installed at the upper end of the dryer body (1), a gas conveying pipe (3) is installed at one side of the dryer body (1), a rotary stirring assembly (4) is arranged at the upper end inside the dryer body (1), the rotary stirring assembly (4) comprises a motor (6), a rotary base (7), clamping bases (8) and a paddle board (9), the output end of the motor (6) is connected with the rotary base (7) through a transmission shaft in a transmission manner, a plurality of clamping bases (8) are integrally formed around the outer portion of the rotary base (7), the paddle board (9) is arranged at one side of each clamping base (8), a plurality of exhaust assemblies (5) are arranged at the upper end of the dryer body (1), each exhaust assembly (5) comprises a pipe body (11), an exhaust bin (12) and a gas collecting bin (14), an exhaust bin (12) is integrally formed at the upper end of the pipe body (11), an exhaust channel (13), the bottom end of the pipe body (11) is fixed with a gas collecting bin (14), and a plurality of filtering holes (15) are formed around the bottom of the gas collecting bin (14).

2. A low pressure spray dryer as claimed in claim 1, wherein: the outer fixed surface of one side of motor (6) and desiccator body (1) is connected, and the transmission shaft of motor (6) output runs through the inside and outside wall of one side of desiccator body (1), and cassette (8) are square structure and are the annular and arrange, and cassette (8) and paddle (9) are inserted each other and are closed and are fixed through bolt (10) and be connected, and paddle (9) are the arc structure and are the annular and arrange.

3. A low pressure spray dryer as claimed in claim 1, wherein: the pipe body (11) penetrates through the inner wall and the outer wall of the upper end of the dryer body (1) and is fixedly connected with the dryer body (1), the exhaust bin (12) and the exhaust channel (13) are of arc-shaped structures, and openings at two ends of the exhaust channel (13) are inclined downwards.

4. A low pressure spray dryer as claimed in claim 1, wherein: the periphery of the outer part of the gas collecting bin (14) is of an arc structure.

5. A low pressure spray dryer as claimed in claim 1, wherein: the pipe body (11), the exhaust bin (12) and the air collecting bin (14) are communicated with each other.

6. A low pressure spray dryer as claimed in claim 1, wherein: the material conveying pipe (2) and the gas conveying pipe (3) are communicated with the inside of the dryer body (1).