CN216222970U

CN216222970U - Spray drier convenient to wash inner wall

Info

Publication number: CN216222970U
Application number: CN202122383971.7U
Authority: CN
Inventors: 蒋中昕
Original assignee: Jiangsu Xiandao Drying Technology Co ltd
Current assignee: Jiangsu Xiandao Drying Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-08
Anticipated expiration: 2031-09-29

Abstract

The utility model belongs to the field of drying machines, and particularly relates to a spray drying machine convenient for cleaning an inner wall, which comprises a drying device, a separating device connected with the drying device, and a condensing device connected with the separating device; the drying device comprises a spray head positioned at the top of the drying main machine; the condensing device comprises a water outlet pipeline, an electronic water pump arranged on the water outlet pipeline and a water storage tank connected with the water outlet pipeline; one end of the water outlet pipeline is connected with the spray head. According to the utility model, the pushing cylinder is arranged in the shell outside the spray head to drive the shell to move, so that the spray head can move up and down in the drying main machine, and the spray head can better clean the inner wall of the drying main machine. Meanwhile, the residual solvent in the reaction process can be better recycled by utilizing the water storage tank and the electronic water pump.

Description

Spray drier convenient to wash inner wall

Technical Field

The utility model relates to the field of dryers, in particular to a spray dryer convenient for cleaning an inner wall.

Background

The spray dryers currently on the market generally comprise only a main drying unit and a separation device, and the solvent evaporated during the drying process is not usually treated and recovered well. Meanwhile, in the process of spray drying, some materials are usually adhered to the inner wall of the drying main machine, and the next drying process can be influenced due to the fact that the materials cannot be cleaned.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the spray dryer is convenient for cleaning the inner wall, so that the inner wall of the drying main machine is cleaned after drying is finished by using a solvent in the drying process.

The technical scheme adopted by the utility model for solving the technical problems is as follows: there is provided a spray dryer for facilitating cleaning of an inner wall, comprising: the drying device, the separating device connected with the drying device and the condensing device connected with the separating device; the drying device comprises a spray head positioned at the top of the drying main machine; the condensing device comprises a water outlet pipeline, an electronic water pump arranged on the water outlet pipeline and a water storage tank connected with the water outlet pipeline; the other end of the water outlet pipeline is communicated with the spray head.

Furthermore, drying device still includes the air intake that is located drying host computer one side, is located the atomizer at drying host computer top, the charge-in pipeline that links to each other with the atomizer, the first ejection of compact pipeline that links to each other with drying host computer bottom.

Further, the outside of the spray head is also sleeved with a shell, a pushing cylinder is arranged in the shell and connected with the protruding parts on the two sides of the spray head, and the pushing cylinder drives the spray head to move up and down when moving.

Furthermore, the lower end of the spray head is provided with three water outlets.

Further, the separation device is connected with the drying host machine through a first discharge pipeline.

Further, the separation device comprises a cyclone separator and a bag filter; the upper part of the cyclone separator is connected with the upper part of the bag filter through a first gas transmission pipeline; the lower part of the cyclone separator is connected with a second discharge pipeline; the lower part of the bag filter is connected with a third discharge pipeline.

Further, the upper part of the bag filter is connected with a condensing device through a second gas transmission pipeline.

Furthermore, the condensing device also comprises a condenser, the lower end of the condenser is connected with the water outlet pipeline, and the side edge of the condenser is connected with the bag filter through a second gas transmission pipeline.

The utility model has the beneficial effects that: according to the utility model, the pushing cylinder is arranged in the shell outside the spray head to drive the shell to move, so that the spray head can move up and down in the drying main machine, and the spray head can better clean the inner wall of the drying main machine. Meanwhile, the residual solvent in the reaction process can be better recycled by utilizing the water storage tank and the electronic water pump.

Drawings

The utility model is further illustrated by the following figures and examples.

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

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

in the figure:

a spray dryer 100;

the drying device comprises a drying device 1, an atomizer 11, a spray head 12, a pushing cylinder 121, an air inlet 13, a feeding pipeline 14, a first discharging pipeline 15, a drying host 16 and a water outlet 17;

the separation device 2, the cyclone separator 21, the bag filter 22, the first gas transmission pipeline 23, the second gas transmission pipeline 24, the second discharge pipeline 25 and the third discharge pipeline 26;

the condenser 3, the water outlet pipe 31, the electronic water pump 32, the water storage tank 33, the electromagnetic valve 331 and the condenser 34.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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, the present embodiment provides a spray dryer 100 for facilitating cleaning of an inner wall, comprising: the drying device 1, the separating device 2 connected with the drying device 1 and the condensing device 3 connected with the separating device 2. Wherein the drying device 1 is suitable for drying feed liquid to form a gas-solid mixture, and is connected with the separation device 2 through a first discharge pipeline 15, so that a dried product is conveyed to the separation device 2; the separation device 2 is suitable for separating gas from solid in the gas-solid mixture, the gas is conveyed to the condensing device 3 through the second gas conveying pipeline 24, and the solid product is collected through the second discharge pipeline 25 and the third discharge pipeline 26; the condensing device 3 is adapted to condense and liquefy the gas for recycling the solvent for cleaning the drying device 1. With such a spray dryer 100, it is possible to reuse a solvent in the production process to clean the inner wall in the drying apparatus 1.

Specifically, as shown in fig. 1, the drying device 1 includes a main drying machine 16, an air inlet 13 located at one side of the main drying machine 16, an atomizer 11 located at the top of the main drying machine 16, a feeding pipe 14 connected to the atomizer 11, a spray head 12 located beside the atomizer 11, and a first discharging pipe 15 connected to the bottom of the main drying machine 16. The feed liquid enters the drying main machine 16 through the feed pipeline 14, the atomizer 11 is arranged at the top of the drying main machine 16, and the atomizer 11 is connected with the feed pipeline 14 and is suitable for converting the feed liquid into fog drops. The air inlet 13 is located at one side of the main drying machine 16 and is used for conveying hot air to the interior of the main drying machine 16 to exchange heat with the fog drops, so that instant evaporation and instant drying are completed, and a product of dry powder particles is obtained. The bottom of the main drying unit 16 is connected to a first discharge pipe 15, which is adapted to discharge the dried product and the gas.

The drying main machine 16 is further provided with a spray head 12, a shell is further sleeved outside the spray head 12, a pushing cylinder 121 is arranged in the shell, the pushing cylinder 121 is connected with the protruding portions on the two sides of the spray head, and the spray head is driven to move up and down through the movement of the pushing cylinder 121. The spray head 12 has three water outlets, and is suitable for spraying a solvent into the drying main machine 16 after the gas-solid mixture is output so as to clean the interior of the drying main machine 16, the solvent is remixed with the drying material remained on the inner wall into a material liquid in the process of cleaning the inner wall, the material liquid is discharged and collected through the water outlet 17 on the first material discharging pipeline 15 and enters the drying process again in the subsequent drying process, the water outlet 17 is provided with a cover and is connected with the water outlet 17 through threads, and the water outlet 17 is closed through the cover when the water outlet 17 is not needed.

Specifically, referring to fig. 1, the separation device 2 includes a cyclone separator 21, a bag filter 22, a first gas transmission pipeline 23, a second gas transmission pipeline 24, a second discharge pipeline 25, and a third discharge pipeline 26. The side edge of the cyclone separator 21 is connected with the first discharging pipeline 15, and products dried in the drying host machine 11 enter the cyclone separator 21 through the first discharging pipeline 15 to perform first separation of a gas-solid mixture. The bottom of the cyclone 21 is connected to a second discharge conduit 25 and the separated product enters the second discharge conduit 25 to be collected. The top of the cyclone separator 21 is connected with a first gas transmission pipeline 23, and the separated gas is transmitted to a bag filter 22; when the gas is delivered to the bag filter 22, the bag filter 22 performs a second separation, the bottom of the bag filter 22 is connected to a third discharge conduit 26, and the product is separated and collected in the third discharge conduit 26. The upper part of the bag filter 22 is connected to the condensing unit 3 through a second gas transfer pipe 24 to transfer the second separated gas to the condensing unit 3.

Specifically, referring to fig. 1 and 3, the condensing device 3 includes a condenser 34, an outlet pipe 31 connected to a bottom of the condenser 34, an electronic water pump 32 disposed on the outlet pipe 31, and a water storage tank 33. One side of the condensing device 3 is connected with the second gas transmission pipeline 24, hot air and solvent steam enter the condensing device 3 through the second gas transmission pipeline 24, the solvent steam is liquefied in the condenser 34 to become a solvent, and then the solvent enters the water outlet pipeline 31 to reach the water storage tank 33. The electromagnetic valve 331 is provided at the bottom of the water tank 33, and when the spray dryer 100 performs a drying process, the electromagnetic valve 331 is closed to store the solvent in the water tank 33. When the drying process is completed and the inner wall of the main drying unit 16 needs to be cleaned, the electromagnetic valve 331 is opened, the solvent enters the water outlet pipe 31 through the water outlet pipe 31 at the lower end, and under the action of the electronic water pump 32, the solvent reaches the spray head 12 connected with the water outlet pipe 31 to clean the inner wall of the main drying unit 16.

The spray dryer 100 is characterized in that liquid materials are introduced into a feeding pipeline 14 to enter an atomizer 11, the atomizer 11 converts the liquid materials into fog, meanwhile, hot air enters through an air inlet 13, the fog-shaped liquid materials are converted into dry particle products through heat transfer, the products enter a first discharging pipeline 15 and are brought into a cyclone separator 21 through air flow, first gas-solid separation is carried out in the cyclone separator 21, and a part of the separated products are collected through a second discharging pipeline 25; the part separated in the cyclone separator 21 enters a bag filter 22 through a first gas transmission pipeline 23 for secondary separation, the separated gas part enters a condensing device 3 through a second gas transmission pipeline 24, and the product enters a third discharge pipeline 26 for collection; the solvent vapor is liquefied by the condensing device 3 and reaches the water storage tank 33 through the water outlet pipe 31, the electromagnetic valve 331 below the water storage tank 33 is closed during the drying process, and the solvent is stored in the water storage tank 33. When the drying process is completed and cleaning is needed, the electromagnetic valve 331 is opened, the solvent enters the water outlet pipe 31 again under the action of the electronic water pump 32, reaches the spray head 12 through the water outlet pipe 31, and the spray head 12 sprays the solvent to the drying main machine 16 to clean the interior of the drying main machine 16. Meanwhile, the spray head 12 can move up and down under the action of the pushing cylinder 121 to clean the inside of the drying main machine 16 more completely. The solvent is mixed with the material left on the inner wall of the drying main machine 16, becomes material liquid again, flows out through the water outlet 17 on the first material outlet pipeline 15 and is collected, and can be reused for the drying process.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In light of the foregoing description of preferred embodiments in accordance with the utility model, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A spray dryer for facilitating cleaning of an inner wall, comprising: the drying device, the separating device connected with the drying device and the condensing device connected with the separating device; the drying device comprises a spray head positioned at the top of the drying main machine; the condensing device comprises a water outlet pipeline, an electronic water pump arranged on the water outlet pipeline and a water storage tank connected with the water outlet pipeline; one end of the water outlet pipeline is communicated with the spray head.

2. The spray dryer of claim 1, wherein the drying device further comprises an air inlet at one side of the main drying unit, an atomizer at the top of the main drying unit, a feed conduit connected to the atomizer, and a first discharge conduit connected to the bottom of the main drying unit.

3. The spray dryer according to claim 1, wherein a housing is further sleeved outside the spray head, a push cylinder is arranged in the housing, the push cylinder is connected with the protruding parts on two sides of the spray head, and the push cylinder drives the spray head to move up and down when moving.

4. A spray dryer according to claim 3 wherein the spray head is provided with three water outlets at a lower end thereof.

5. A spray dryer according to claim 1 wherein the separating apparatus is connected to the drying main via a first discharge conduit.

6. A spray dryer according to claim 5, wherein the separation means comprises a cyclone separator and a bag filter; the upper part of the cyclone separator is connected with the upper part of the bag filter through a first gas transmission pipeline; the lower part of the cyclone separator is connected with a second discharge pipeline; the lower part of the bag filter is connected with a third discharge pipeline.

7. A spray dryer according to claim 6 wherein the upper part of the bag filter is connected to the condensing means by a second gas duct.

8. The spray dryer of claim 1, wherein the condensing means further comprises a condenser connected at a lower end thereof to the water outlet conduit and at a side thereof to the bag filter through a second gas transmission conduit.