CN211012374U

CN211012374U - Airflow spray type dryer

Info

Publication number: CN211012374U
Application number: CN201921785291.4U
Authority: CN
Inventors: 朱向华; 严建新
Original assignee: Changzhou Shinma Drying Engineering Co ltd
Current assignee: Changzhou Shinma Drying Engineering Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-14
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to an airflow spray dryer, which comprises a dryer body and a cleaning device; the cleaning device comprises an outer pipe, an air inlet pipe, a water inlet pipe, an inner pipe, a branch pipe, a cleaning pipe, a driving mechanism and a rotary joint; the outer pipe, the air inlet pipe and the water inlet pipe are all arranged outside the dryer body, and the lower end of the outer pipe is connected with the air inlet pipe and the water inlet pipe through a three-way pipe; the inner pipe, the branch pipe and the cleaning pipe are all arranged in the dryer body, one end of the branch pipe is arranged on the inner pipe and communicated with the inner pipe, the cleaning pipe is fixedly connected with the upper end of the inner pipe and the other end of the branch pipe, and a plurality of spray holes facing the inner wall of the dryer body are not formed in the surface of the cleaning pipe; the lower end of the inner pipe is positioned outside the dryer body, and the lower end of the inner pipe is connected with the upper end of the outer pipe through a rotary joint; the driving mechanism is arranged outside the dryer body and connected with the lower end of the inner pipe. The utility model has the characteristics of structural design is reasonable, washs convenient fast, effectual.

Description

Airflow spray type dryer

Technical Field

The utility model belongs to the technical field of drying equipment, concretely relates to air current atomizing desiccator.

Background

An air flow spray type dryer is one of devices in the drying production process flow in the industries of pharmacy, chemical industry, food and the like, an air sweeping system of the air flow spray type dryer in the prior art generally plays a role in cleaning a tower wall during production, and the phenomena that an air outlet of an air sweeping rod is blocked and the main tower surface corresponding to the air sweeping rod is not easy to clean can occur after drying production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned defect, provide an air current atomizing desiccator, structural design is reasonable, washs convenience fast, and is effectual.

The utility model provides a technical scheme that its technical problem adopted as follows:

an airflow spray type dryer comprises a dryer body and a cleaning device; the cleaning device comprises an outer pipe, an air inlet pipe, a water inlet pipe, an inner pipe, a branch pipe, a cleaning pipe, a driving mechanism and a rotary joint; the outer pipe, the air inlet pipe and the water inlet pipe are all arranged outside the dryer body, and the lower end of the outer pipe is connected with the air inlet pipe and the water inlet pipe through a three-way pipe; the inner pipe, the branch pipe and the cleaning pipe are all arranged in the dryer body, one end of the branch pipe is arranged on the inner pipe and communicated with the inner pipe, the cleaning pipe is fixedly connected with the upper end of the inner pipe and the other end of the branch pipe, and a plurality of spray holes facing the inner wall of the dryer body are not formed in the surface of the cleaning pipe; the lower end of the inner pipe is positioned outside the dryer body, and the lower end of the inner pipe is connected with the upper end of the outer pipe through a rotary joint; the driving mechanism is arranged outside the dryer body and connected with the lower end of the inner pipe.

Furthermore, valves are arranged on the air inlet pipe and the water inlet pipe.

Further, the driving mechanism comprises a motor and a bevel gear transmission assembly, and the motor is in transmission connection with the inner pipe through the bevel gear transmission assembly.

Further, the rotary joint comprises a shell, an upper bearing, a lower bearing, a spring, a rotating shaft and a transition sleeve; the shell and the rotating shaft are sleeved on the outer pipe, the rotating shaft is arranged in the shell, the upper end of the rotating shaft extends to the outside of the shell, and the upper end of the rotating shaft is connected with the lower end of the inner pipe through a transition sleeve; the outer wall of the rotating shaft is connected with the inner wall of the shell through the upper bearing and the lower bearing, the rotating shaft is provided with a limiting step between the upper bearing and the lower bearing, and the lower bearing is connected with the bottom surface of the shell through a spring.

Furthermore, an upper flange is arranged at the upper end of the rotating shaft.

Further, the outside of desiccator body is equipped with the cover shell that is used for cladding inner tube, the upper end and the desiccator body fixed connection of this cover shell, and the lower extreme is equipped with the lower flange, passes through bolt fixed connection between upper flange and the lower flange.

The utility model has the advantages that:

(1) the utility model is characterized in that hot water is introduced through the water inlet pipe, enters the drier body along the water inlet pipe, the outer pipe and the inner pipe and is sprayed out from the spray holes on the cleaning pipe, so as to clean the inner wall of the drier body; then stopping introducing hot water, starting introducing air, introducing air into the dryer body from the air inlet pipe, the outer pipe and the inner pipe, and spraying the air from the spray holes on the cleaning pipe to blow and wash away dirt, water and the like remained on the inner wall of the dryer body; the bottom of the dryer body is provided with a water outlet, and dirt, water and the like are discharged outwards from the water blowing port; when leading to hot water and ventilating, because inner tube and outer tube pass through rotary joint and connect, so actuating mechanism can drive 360 rotations of inner tube, and the outer tube keeps different movements to guarantee can be normal lead to hot water and ventilate, realize the comprehensive washing to the desiccator body inner wall, in order to improve the cleaning performance.

(2) The utility model discloses a valve can realize the independent transport of gas and hot water to prevent mutual interference.

(3) The utility model discloses a motor drive bevel gear transmission subassembly motion to drive the inner tube and rotate, structural design is reasonable, and the transmission is effectual.

(4) The utility model discloses a rotary joint installation is firm, and connection stability is good.

(5) The utility model discloses a connection of upper flange and lower flange realizes rotary joint's fixed, sound construction, easy dismounting.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

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

fig. 2 is a schematic structural view of a rotary joint of the present invention;

wherein: the dryer comprises a dryer body 1, an outer pipe 2, an air inlet pipe 3, an air inlet pipe 4, an inner pipe 5, a branch pipe 6, a cleaning pipe 7, a driving mechanism 8, a rotary joint 9, a valve 10, a casing 11, a lower flange 12, a rotary joint 13, a shell 131, an upper bearing 132, a lower bearing 133, a spring 134, a rotating shaft 135, a transition sleeve 136, an upper flange 137, a limiting step 138, a water outlet 14 and a material outlet 15.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

An air-flow spray dryer as shown in fig. 1 and 2 comprises a dryer body 1 and a cleaning device for cleaning a cone structure portion in the dryer body 1 in this embodiment.

The cleaning device comprises an outer pipe 2, an air inlet pipe 3, a water inlet pipe 4, an inner pipe 5, a branch pipe 6, a cleaning pipe 7, a driving mechanism 8 and a rotary joint 9; outer tube 2, intake pipe 3 and inlet tube 4 all set up in the outside of desiccator body 1, and the lower extreme of outer tube 2 passes through the three-way pipe and links to each other with intake pipe 3, inlet tube 4, all is equipped with valve 10 on intake pipe 3 and the inlet tube 4 to intake alone can admit air, thereby wash the inner wall of desiccator body. It should be noted that the air inlet pipe is connected with a draught fan to realize air inlet, and the water inlet pipe is provided with a water pump to realize water inlet. The inner pipe 5, the branch pipe 6, and the cleaning pipe 7 are disposed in the dryer body 1, and it is to be noted that the inner pipe 5 is inserted into the dryer body 1 from the bottom of the dryer body 1, and the axial direction of the cleaning pipe 7 is parallel to the inner wall of the dryer body 1, for example, the inner wall of the dryer body is an inclined surface, and the cleaning pipe is also disposed obliquely. One end of the branch pipe 6 is arranged on the inner pipe 5 and communicated with the inner pipe 5, and the cleaning pipe 7 is fixedly connected with the upper end of the inner pipe 5 and the other end of the branch pipe 6, so that sufficient cleaning medium (hot water or gas) can be ensured in the cleaning pipe, the cleaning effect is ensured, a plurality of spray holes facing the inner wall of the dryer body are not formed in the surface of the cleaning pipe, the cleaning area is large, and the effect is good; the lower extreme of inner tube 5 is in the outside of desiccator body 1, and actuating mechanism 8 sets up in the outside of desiccator body 1 and links to each other with the lower extreme of inner tube 5, and actuating mechanism 8 includes motor 81 and bevel gear drive assembly (not shown in the figure), and this motor 81 and inner tube 5 pass through bevel gear drive assembly transmission and connect, and transmission effect is good, can drive inner tube 5 through motor 81 and rotate to realize the comprehensive washing of scavenge pipe 7 to the inner wall of desiccator body 1. The outside of desiccator body 1 is equipped with the cover shell 11 that is used for cladding inner tube 5, and bevel gear drive assembly also is in this cover shell 11 to protect inner tube 5 and bevel gear drive assembly, the upper end and the desiccator body 1 fixed connection of this cover shell 11, the lower extreme is equipped with lower flange 12.

In order to ensure that the inner pipe 5 does not influence the air inlet or hot water inlet of the outer pipe 2 to the inner pipe 5 in the rotating process, the lower end of the inner pipe 5 is connected with the upper end of the outer pipe 2 through a rotary joint 13; the rotary joint 13 comprises a housing 131, an upper bearing 132, a lower bearing 133, a spring 134, a rotating shaft 135 and a transition sleeve 136; the shell 131 and the rotating shaft 135 are both sleeved on the outer pipe 2, the rotating shaft 135 is arranged in the shell 131, the upper end of the rotating shaft 135 extends to the outside of the shell 131, and the upper end of the rotating shaft 135 is connected with the lower end of the inner pipe 5 through the transition sleeve 136, so that the connection is firm, air leakage and water leakage are effectively prevented, and the air tightness is ensured, thereby ensuring that air or hot water can be normally conveyed to the inner pipe; and the upper end of the rotating shaft 135 is provided with an upper flange 137, and the upper flange 137 and the lower flange 11 are fixedly connected through bolts, so that the rotary joint 13 is fixedly installed on the outer pipe 2. The outer wall of the rotating shaft 135 is connected with the inner wall of the shell 131 through the upper bearing 132 and the lower bearing 133, the rotating shaft 135 is provided with a limiting step 138 between the upper bearing 132 and the lower bearing 133, the upper bearing 132 is clamped between the upper end face of the limiting step 138 and the top of the shell 131, the lower bearing 133 is connected with the bottom surface of the shell 131 through the spring 134, and is supported on the lower end face of the limiting step through the spring.

It should be noted that the bottom of the dryer body 1 is provided with a water outlet 14, the water outlet 11 is located at the opposite side of the discharge port 15 of the dryer body 1, and the direction of the water outlet 14 is downward, so that the washed dirt, water and the like can flow out conveniently.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.

Claims

1. An airflow spray dryer is characterized in that: comprises a dryer body and a cleaning device;

the cleaning device comprises an outer pipe, an air inlet pipe, a water inlet pipe, an inner pipe, a branch pipe, a cleaning pipe, a driving mechanism and a rotary joint; the outer pipe, the air inlet pipe and the water inlet pipe are all arranged outside the dryer body, and the lower end of the outer pipe is connected with the air inlet pipe and the water inlet pipe through a three-way pipe;

the inner pipe, the branch pipe and the cleaning pipe are all arranged in the dryer body, one end of the branch pipe is arranged on the inner pipe and communicated with the inner pipe, the cleaning pipe is fixedly connected with the upper end of the inner pipe and the other end of the branch pipe, and a plurality of spray holes facing the inner wall of the dryer body are not formed in the surface of the cleaning pipe;

the lower end of the inner pipe is positioned outside the dryer body, and the lower end of the inner pipe is connected with the upper end of the outer pipe through a rotary joint;

the driving mechanism is arranged outside the dryer body and connected with the lower end of the inner pipe.

2. An air flow spray dryer according to claim 1 wherein: and valves are arranged on the air inlet pipe and the water inlet pipe.

3. An air flow spray dryer according to claim 1 wherein: the driving mechanism comprises a motor and a bevel gear transmission assembly, and the motor is in transmission connection with the inner pipe through the bevel gear transmission assembly.

4. An air flow spray dryer according to claim 1 wherein: the rotary joint comprises a shell, an upper bearing, a lower bearing, a spring, a rotating shaft and a transition sleeve; the shell and the rotating shaft are sleeved on the outer pipe, the rotating shaft is arranged in the shell, the upper end of the rotating shaft extends to the outside of the shell, and the upper end of the rotating shaft is connected with the lower end of the inner pipe through a transition sleeve; the outer wall of the rotating shaft is connected with the inner wall of the shell through the upper bearing and the lower bearing, the rotating shaft is provided with a limiting step between the upper bearing and the lower bearing, and the lower bearing is connected with the bottom surface of the shell through a spring.

5. An air flow spray dryer according to claim 4 wherein: an upper flange is arranged at the upper end of the rotating shaft.

6. An air flow spray dryer according to claim 5 wherein: the outer portion of the dryer body is provided with a casing for coating the inner pipe, the upper end of the casing is fixedly connected with the dryer body, the lower end of the casing is provided with a lower flange, and the upper flange is fixedly connected with the lower flange through bolts.