CN217593855U

CN217593855U - Centrifugal spray drier

Info

Publication number: CN217593855U
Application number: CN202220884596.6U
Authority: CN
Inventors: 阚昭东; 王学文; 曲小杰; 潘国娟; 周照沂; 张富琪
Original assignee: Laizhou City Laiyu Chemical Co ltd
Current assignee: Laizhou City Laiyu Chemical Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-10-18
Anticipated expiration: 2032-04-18

Abstract

The utility model belongs to the technical field of the desiccator, especially, be a centrifugal spray drier, including a plurality of drying storehouse of stacking arrangement from top to bottom, fixedly connected with the feed pipe that is used for providing solution on the lateral wall of drying storehouse, the outside of feed pipe is equipped with the wind-guiding ring, fixedly connected with the hot air supply pipe that is used for providing hot-blast on the wind-guiding ring, fixedly equipped with on the inside wall of drying storehouse with the feed liquid shower nozzle that the feed pipe is connected; through setting up the drying chamber that the diameter is great relatively and the height is less to the position setting that will supply liquid shower nozzle and hot-blast air guide window is at the lateral wall in drying chamber, solution is spout from the horizontal direction, and in the in-process of horizontal sideslip fully dry the droplet and form the dust granule, in arriving the direction fill and enter into cyclone through the air inlet fill, collect the dust granule, reach the drying effect to the solution, can superpose the quantity that sets up drying chamber in the direction of height, in order to improve drying speed and drying efficiency.

Description

Centrifugal spray drier

Technical Field

The utility model relates to a desiccator field specifically is a centrifugal spray drier.

Background

Spray drying is the most widely used process in the liquid process shaping and drying industry. Most suitable for the production of powdered, granular solid products from solution, emulsion, suspension and pasty liquid raw materials. Spray drying is therefore a highly desirable process when the particle size distribution, residual moisture content, bulk density and particle shape of the finished product must meet exacting criteria.

The existing centrifugal spray dryer only has a large drying bin, the space of the drying bin is not fully utilized, so that the waste of space and heat energy is caused, and the drying amount in unit time is relatively small. Accordingly, one skilled in the art provides a centrifugal spray dryer to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a centrifugal spray drier to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a centrifugal spray dryer, includes a plurality of from top to bottom range upon range of dry storehouse that sets up, fixedly connected with is used for providing the feed pipe of solution on the lateral wall in dry storehouse, the outside of feed pipe is equipped with the wind-guiding ring, fixedly connected with is used for providing the hot-blast air supply pipe of hot-blast on the wind-guiding ring, fixedly on the inside wall in dry storehouse be equipped with the confession liquid spray head that the feed pipe is connected, and the outside of confession liquid spray head be equipped with the air guide window that the wind-guiding ring is connected, keep away from on the dry storehouse one side of confession liquid spray head is equipped with the direction fill, the bottom of direction fill is equipped with cyclone, cyclone's input port department is equipped with the air inlet fill, the air inlet fill is fixed to be set up the inboard of direction fill, cyclone's bottom is fixed and is equipped with row material pipe, the workbin the bottom of row material pipe is connected, is located the top in dry storehouse fixed and is equipped with the connection tube socket, the top of connection tube socket is fixed is equipped with the air exhauster, the input fixedly connected with the exhaust pipe, the input fixedly connected with the suction pipe, the suction pipe runs through in the direction fill and stretch into cyclone, the cyclone is to the cyclone, the air exhauster and external power supply electric connection.

As a further aspect of the present invention: the drying bins are arranged into two drying bins, and the guide hoppers on the two drying bins are symmetrically distributed along the axial direction of the drying bins.

As a further aspect of the present invention: the drying bins are four, and the guide hoppers on the drying bins are distributed in a central symmetry mode along the axial direction of the drying bins.

As a further aspect of the present invention: the number of the cyclone separators at the bottom of each guide hopper is two, and the two cyclone separators are symmetrically distributed.

As a further aspect of the present invention: and a support frame is fixedly arranged at the bottom of the drying bin positioned at the lowest part.

As a further aspect of the present invention: and the drying bins are fixedly connected with each other.

As the utility model discloses further scheme again: the inside of dry storehouse has dry chamber, dry chamber is the cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the less dry storehouse of the relatively great height of diameter, and the position setting that will supply liquid shower nozzle and hot-blast air guide window is at the lateral wall in dry storehouse, so, need dry solution to spout from the horizontal direction, then fight to blow along the horizontal direction by air guide window spun hot gas flow, the in-process of horizontal sideslip is fully dry with the droplet and is formed dust particle, fight the department and enter into cyclone through the air inlet in arriving the direction, collect dust particle, reach the drying effect to solution, can stack the quantity that sets up dry storehouse in the direction of height, in order to improve drying rate and drying efficiency.

Drawings

FIG. 1 is a schematic view of a centrifugal spray dryer;

FIG. 2 is a schematic sectional view of a centrifugal spray dryer;

FIG. 3 is a schematic view showing an internal structure of a drying chamber in a centrifugal spray dryer;

fig. 4 is a schematic top view of a centrifugal spray dryer.

In the figure: 1. a drying bin; 101. a drying chamber; 11. a guide hopper; 12. a support frame; 2. an exhaust fan; 21. connecting a pipe seat; 22. an exhaust pipe; 3. a cyclone separator; 31. a discharge pipe; 32. an air inlet hopper; 4. a material collecting box; 5. a liquid supply tube; 51. a liquid supply nozzle; 6. a hot air supply pipe; 61. a wind guide ring; 62. and a ventilation window.

Detailed Description

Please refer to fig. 1-4, in an embodiment of the present invention, a centrifugal spray dryer, including a plurality of drying bins 1 stacked from top to bottom, a liquid supply pipe 5 for providing a solution is fixedly connected to the outer side wall of the drying bin 1, an air guide ring 61 is arranged at the outer side of the liquid supply pipe 5, a hot air supply pipe 6 for providing hot air is fixedly connected to the air guide ring 61, a liquid supply nozzle 51 connected to the liquid supply pipe 5 is fixedly arranged on the inner side wall of the drying bin 1, an air guide window 62 connected to the air guide ring 61 is arranged at the outer side of the liquid supply nozzle 51, a guide hopper 11 is arranged at one side of the drying bin 1 away from the liquid supply nozzle 51, a cyclone separator 3 is arranged at the bottom of the guide hopper 11, an air inlet hopper 32 is arranged at the inlet of the cyclone separator 3, the air inlet hopper 32 is fixedly arranged at the inner side of the guide hopper 11, a discharge pipe 31 is fixedly arranged at the bottom of the cyclone separator 3, a collection box 4 is connected to the bottom of the discharge pipe 31, a connection pipe 21 is fixedly arranged at the top of the drying bin 1, a connection pipe seat 21 is fixedly arranged at the top of the connection pipe seat, an exhaust fan 2 is fixedly connected to the input end of the connection pipe seat 21, an exhaust fan 22, the exhaust fan 22 is fixedly connected to the exhaust fan, and the exhaust fan 22, and the exhaust fan is electrically connected to the external connection pipe 2, and electrically connected to the external connection pipe 11, and the external connection pipe 3.

In the embodiment, by arranging the drying bins 1 with relatively large diameter and small height and arranging the positions of the liquid supply nozzles 51 and the hot air guide windows 62 on the side walls of the drying bins 1, the solution to be dried is sprayed out from the horizontal direction and then blown by the hot air sprayed out by the air guide windows 62 towards the guide buckets 11 along the horizontal direction, the small droplets are fully dried to form dust particles in the horizontal traversing process, and the dust particles and the hot air enter the cyclone separator 3 through the air inlet buckets 32 after reaching the guide buckets 11 to be separated, so that the dust particles are collected, and the drying effect on the solution is achieved.

Specifically, dry storehouse 1 sets up to two, and the direction on two dry storehouses 1 fights 11 along dry storehouse 1 axial direction symmetric distribution, through setting up two dry storehouses 1, can two dry storehouses 1 simultaneous workings to improve the drying rate to solution in the unit interval.

Specifically, dry storehouse 1 sets up to four, and the direction fill 11 on four dry storehouses 1 is central symmetry along the axial direction of dry storehouse 1 and distributes, through setting up four dry storehouses 1, wherein can dry different types of solution in every independent dry storehouse 1, from this, can make the use of desiccator more nimble, if process a solution, also can improve the drying rate to solution.

Specifically, the cyclone 3 of 11 bottoms of every direction fill all sets up to two, and two cyclone 3 symmetric distributions, through setting up two sets of cyclone 3, can handle the gas of large capacity simultaneously to get rid of the granule in the gas.

Specifically, a plurality of drying bins 1 are fixedly connected with each other, and a support frame 12 is fixedly arranged at the bottom of the drying bin 1 located at the lowest position, so that the stability of the drying bin 1 in a working state is improved.

Specifically, the inside of dry storehouse 1 has dry chamber 101, and dry chamber 101 is the cylinder, through setting up the relatively great high less dry chamber 101 of diameter, makes solution spray at the horizontal direction, from this, can set up dry storehouse 1 on vertical more, improves dry storehouse 1 and to the dry overall efficiency of solution.

5. A liquid supply tube; 51. a liquid supply nozzle; 6. a hot air supply pipe; 61. a wind guide ring; 62. air guide window

The utility model discloses a theory of operation is: when the drying device is used, hot air is provided to the air guide ring 61 and the air guide window 62 by the hot air supply pipe 6, the hot air blows to the inside of the drying cavity 101 uniformly through the air guide window 62 to improve the temperature inside the drying cavity 101, after the temperature rises to a set temperature, the solution is sprayed out through the liquid supply nozzle 51 by the liquid supply pipe 5, so that the solution to be dried is sprayed out from the horizontal direction and then blown to the guide hopper 11 along the horizontal direction by the hot air flow sprayed by the air guide window 62, the small liquid drops are fully dried to form dust particles in the horizontal traversing process, the dust particles and the hot air flow are separated from each other when the small liquid drops reach the guide hopper 11 and enter the cyclone separator 3 through the air inlet hopper 32, and the dust particles are collected, and the drying effect on the solution is achieved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The centrifugal spray dryer is characterized by comprising a plurality of drying bins (1) which are stacked from top to bottom, wherein liquid supply pipes (5) for supplying solution are fixedly connected onto the outer side walls of the drying bins (1), air guide rings (61) are arranged on the outer sides of the liquid supply pipes (5), hot air supply pipes (6) for supplying hot air are fixedly connected onto the air guide rings (61), liquid supply nozzles (51) connected with the liquid supply pipes (5) are fixedly arranged on the inner side walls of the drying bins (1), air guide windows (62) connected with the air guide rings (61) are arranged on the outer sides of the liquid supply nozzles (51), a guide hopper (11) is arranged on one side, far away from the liquid supply nozzles (51), of the drying bins (1), a cyclone separator (3) is arranged at the bottom of the guide hopper (11), an air inlet hopper (32) is arranged at the inlet of the cyclone separator (3), the air inlet hopper (32) is fixedly arranged on the inner side of the guide hopper (11), a pipe seat separator (3) is fixedly provided with a pipe (31), the top of a discharge pipe (31) is fixedly connected with a discharge bin (21) fixedly connected with an exhaust fan (21), and a top end (21) fixedly connected with a top of a discharge bin (21) fixedly connected with an exhaust fan (21), the exhaust pipe (22) penetrates through the guide hopper (11) and extends into the cyclone separator (3), and the exhaust fan (2) is electrically connected with an external power supply.

2. A centrifugal spray dryer according to claim 1, characterized in that the drying bins (1) are provided in two and the guide hoppers (11) on both drying bins (1) are symmetrically distributed along the axial direction of the drying bins (1).

3. The centrifugal spray dryer according to claim 1, wherein the number of the drying bins (1) is four, and the guide hoppers (11) on the four drying bins (1) are arranged in a central symmetry manner along the axial direction of the drying bins (1).

4. A centrifugal spray dryer according to claim 1, characterized in that the cyclone separators (3) at the bottom of each guide hopper (11) are arranged in two and that the two cyclone separators (3) are symmetrically distributed.

5. A centrifugal spray dryer according to claim 1, characterized in that a support frame (12) is fixedly arranged at the bottom of the lowermost drying silo (1).

6. A centrifugal spray dryer according to claim 1, characterized in that a plurality of said drying silos (1) are fixedly connected to each other.

7. A centrifugal spray dryer according to claim 1, characterized in that the interior of the drying chamber (1) has a drying chamber (101), the drying chamber (101) being cylindrical.