CN218516122U

CN218516122U - Atomizing head for drying dispersible rubber powder

Info

Publication number: CN218516122U
Application number: CN202222601736.7U
Authority: CN
Inventors: 卞敬涛; 李景山
Original assignee: Shandong Zhuojun Industrial Co ltd
Current assignee: Shandong Zhuojun Industrial Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-02-24
Anticipated expiration: 2032-09-29

Abstract

An atomizing head for drying dispersible rubber powder comprises a connecting rod, wherein an emulsion leading-out cavity is arranged in the middle of the connecting rod, and a spraying part is arranged at the head of the emulsion leading-out cavity and comprises a leading-out pipe and an atomizing groove; an air leading-in cavity is arranged on the side part of the emulsion leading-out cavity, an annular cavity is arranged at the end part of the air leading-in cavity, and the annular cavity is communicated with the atomizing groove through a middle communicating part. This application is through carrying out the disconnect-type setting with injection portion, has reserved the space that introduces the hot-air at the middle part for the hot-air enters into contact tube and atomizing groove simultaneously, and the effect of disturbance and heating is played to the hot-air that few parts entered into the contact tube, is favorable to the atomizing in later stage, thereby can be as early as possible the spray drying of completion emulsion, thereby obtain the more controllable rubber powder of fineness.

Description

Atomizing head for drying dispersible rubber powder

Technical Field

The application relates to an atomizing head for drying dispersible rubber powder.

Background

The redispersible rubber powder is water-soluble redispersible powder, and is generally obtained by spray drying. The existing spray drying adopts a mode of pre-mixing and pressurized spraying, which is not particularly suitable for the environment of the rubber powder and is easy to generate large particles, thereby affecting the quality of dispersible rubber powder. At present, the problem is mostly improved by increasing wind speed, wind pressure and the like, however, it should be noted that the reason for generating particles is a principle problem, and the structural defects of the atomizing head cannot be completely solved by increasing wind speed, wind pressure and the like, but only can be improved. There is therefore a great need for improvements in atomising heads to accommodate spray drying of redispersible latex.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the application provides an atomizing head for drying dispersible rubber powder, which comprises a connecting rod, wherein an emulsion leading-out cavity is arranged in the middle of the connecting rod, and a spraying part is arranged at the head of the emulsion leading-out cavity and comprises a leading-out pipe and an atomizing groove; an air leading-in cavity is arranged on the side part of the emulsion leading-out cavity, an annular cavity is arranged at the end part of the air leading-in cavity, and the annular cavity is communicated with the atomizing groove through a middle communicating part. This application is through carrying out the disconnect-type setting with injection portion, has reserved the space that introduces the hot-air at the middle part for the hot-air enters into contact tube and atomizing groove simultaneously, and the effect of disturbance and heating is played to the hot-air that few parts entered into the contact tube, is favorable to the atomizing in later stage, thereby can be as early as possible the spray drying of completion emulsion, thereby obtain the more controllable rubber powder of fineness.

Preferably, the spraying part comprises a conical head, a plurality of guide pipes which are obliquely arranged are arranged on the conical head, an outer protection shell is arranged outside the conical head, the front end of the outer protection shell is fixedly abutted to the front end of the conical head, a gap is formed at the rear ends of the outer protection shell and the conical head to form a middle communicating part, the atomizing groove is arranged on the outer protection shell, and the cross-sectional area of the atomizing groove is gradually increased according to the direction of keeping away from the conical head. This application adopts the operation mode that outer protection casing and conical head cooperation set up, mainly has following effect: conveniently form middle part intercommunication portion, simplify the unit assemblage, on the basis that the position of guaranteeing atomizing groove and contact tube corresponds, can also reduce overall structure's complexity.

Preferably, the head of the cone head is provided with a clamping block, and the outer protection shell is provided with a clamping groove corresponding to the clamping block.

Preferably, the top of outer protection casing sets up one and inserts the ring, sets up a butt holding ring at the downside that inserts the ring, the butt holding ring links firmly the setting with the bottom of a thread bush collar, the thread bush collar cup joints the outside that sets up at the connecting rod. The utility model provides a back is pegged graft in outer protection casing part adoption, and the location of outer protection casing is guaranteed to the mode of screw thread butt, and the main adjustment to outer protection casing of being convenient to simplify outer protection casing installation, can also avoid revealing of hot-air, provide stable hot-air source for spray drying.

Preferably, the insert ring is disposed in abutment with the outside of the annular chamber.

Preferably, a seal ring groove is formed in the outer side of the insert ring, and a seal ring is arranged in the seal ring groove.

Preferably, a positioning block which is abutted against the top end of the insert ring is arranged in the annular cavity.

Preferably, the top of the emulsion leading-out cavity is provided with an emulsion connector; and an air connector is arranged at the top of the air introducing cavity.

This application can bring following beneficial effect:

1. this application is through carrying out the disconnect-type setting with injection portion, has reserved the space that introduces the hot-air at the middle part for the hot-air enters into contact tube and atomizing groove simultaneously, and the effect of disturbance and heating is played to the hot-air that few parts entered into the contact tube, is favorable to the atomizing in later stage, thereby can be as early as possible the spray drying of completion emulsion, thereby obtain the more controllable rubber powder of fineness.

2. This application adopts the operating mode that outer protection casing and conical head cooperation set up, mainly has following effect: conveniently form middle part intercommunication portion, simplify the overall assembly, on the position corresponding basis of guaranteeing atomizing groove and delivery tube, can also reduce overall structure's complexity.

3. The utility model provides a back is pegged graft in outer protection casing part adoption, and the location of outer protection casing is guaranteed to the mode of screw thread butt, and the main adjustment to outer protection casing of being convenient to simplify outer protection casing installation, can also avoid revealing of hot-air, provide stable hot-air source for spray drying.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic illustration of an explosive structure of the present application;

FIG. 3 is a schematic diagram of the internal structure of the present application;

fig. 4 is a schematic structural view of the ejection portion.

Detailed Description

In order to clearly explain the technical features of the present invention, the present application will be explained in detail by the following embodiments in combination with the accompanying drawings.

In a first embodiment, as shown in fig. 1-4, an atomizing head for drying dispersible rubber powder comprises a connecting rod 1, an emulsion outlet cavity 2 is arranged in the middle of the connecting rod 1, a spraying part 3 is arranged at the head of the emulsion outlet cavity 2, and the spraying part 3 comprises an outlet pipe 4 and an atomizing groove 5; an air inlet cavity 6 is arranged at the side part of the emulsion outlet cavity 2, an annular cavity 7 is arranged at the end part of the air inlet cavity 6, and the annular cavity 7 is communicated with the atomization groove 5 through a middle communicating part 8. The injection part 3 comprises a conical head 9, a plurality of guide pipes 4 which are obliquely arranged are arranged on the conical head 9, an outer protection shell 10 is arranged outside the conical head 9, the front end of the outer protection shell 10 is fixedly abutted with the front end of the conical head 9, a gap forming middle communicating part 8 is arranged at the rear ends of the outer protection shell 10 and the conical head 9, the atomizing groove 5 is arranged on the outer protection shell 10, and the cross-sectional area of the atomizing groove 5 is gradually increased according to the direction of keeping away from the conical head 9. The head of the conical head 9 is provided with a clamping block 11, and the outer protective shell 10 is provided with a clamping groove 12 corresponding to the clamping block 11. The top of outer protection casing 10 sets up one and inserts ring 13, sets up a butt holding ring 14 at the downside that inserts ring 13, and butt holding ring 14 links firmly the setting with the bottom of a thread bush ring 15, and thread bush ring 15 cup joints the setting in the outside of connecting rod 1. The insert ring 13 is arranged in abutment with the outside of the annular chamber 7. A seal ring groove 16 is provided on the outer side of the insert ring 13, and a seal ring 17 is provided in the seal ring groove 16. A positioning block 18 is disposed in the annular cavity 7 and abuts against the top end of the insert ring 13. The top of the emulsion leading-out cavity 2 is provided with an emulsion connector 19; an air connector 20 is provided at the top of the air introduction chamber 6.

During assembly, the conical head 9 is installed firstly, then the outer protection shell 10 is clamped, the upper portion of the outer protection shell 10 is inserted into the annular cavity 7, then the abutting positioning ring 14 and the threaded sleeve ring 15 are used for fixing, and after the fixing is finished, clamping setting is finished. When the emulsion drying device is used, emulsion is introduced from the emulsion outlet cavity 2 to the outlet pipe 4, meanwhile, hot air is introduced from the air inlet cavity 6, most of the hot air enters the annular cavity 7 from the air inlet cavity 6 and then enters the atomizing groove 5, a small part of the hot air flows back to the outlet pipe 4 and then flows out of the atomizing groove 5 together, so that the emulsion is solidified and dried, and finally, the atomized and dried dispersible rubber powder is obtained.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An atomizing head for dispersible rubber powder drying is characterized in that: the device comprises a connecting rod, wherein an emulsion leading-out cavity is arranged in the middle of the connecting rod, and a spraying part is arranged at the head of the emulsion leading-out cavity and comprises a leading-out pipe and an atomizing groove; an air leading-in cavity is arranged on the side part of the emulsion leading-out cavity, an annular cavity is arranged at the end part of the air leading-in cavity, and the annular cavity is communicated with the atomizing groove through a middle communicating part.

2. An atomising head for the drying of dispersible gelatine powder according to claim 1, characterised in that: the spraying part comprises a conical head, a plurality of guide pipes which are obliquely arranged are arranged on the conical head, an outer protection shell is arranged outside the conical head, the front end of the outer protection shell is fixedly abutted to the front end of the conical head, a gap is formed at the rear ends of the outer protection shell and the conical head to form a middle communicating part, the atomizing groove is arranged on the outer protection shell, and the cross-sectional area of the atomizing groove is gradually increased according to the direction of keeping away from the conical head.

3. An atomising head for the drying of dispersible glue powders according to claim 2, characterised in that: the head of the conical head is provided with a clamping block, and the outer protective shell is provided with a clamping groove corresponding to the clamping block.

4. An atomising head for the drying of dispersible glue powders according to claim 2, characterised in that: the top of outer protection casing sets up one and inserts the ring, sets up a butt holding ring at the downside that inserts the ring, the butt holding ring links firmly the setting with the bottom of a thread bush collar, the thread bush collar cup joints the outside that sets up at the connecting rod.

5. An atomising head for the drying of dispersible glue powders according to claim 4, characterised in that: the insert ring is arranged on the outer side of the annular cavity in an abutting mode.

6. An atomising head for the drying of dispersible gelatine powder according to claim 5, characterised in that: and a sealing ring groove is formed in the outer side of the insert ring, and a sealing ring is arranged in the sealing ring groove.

7. An atomising head for the drying of dispersible gelatine powder according to claim 5, characterised in that: and a positioning block which is abutted against the top end of the insert ring is arranged in the annular cavity.

8. An atomising head for the drying of dispersible gelatine powder according to claim 1, characterised in that: the top of the emulsion leading-out cavity is provided with an emulsion connector; and an air connector is arranged at the top of the air introducing cavity.