CN214726362U

CN214726362U - Barrel cooling device of double-screw extruder

Info

Publication number: CN214726362U
Application number: CN202121022787.3U
Authority: CN
Inventors: 覃国庆; 陆天龙
Original assignee: Liuzhou Ling Xiang New Mstar Technology Ltd
Current assignee: Liuzhou Ling Xiang New Mstar Technology Ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-16
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a double screw extruder's barrel cooling device, it includes: an extruder barrel; the cooling assembly comprises a cooling barrel, a cooling tower and a circulating pump, wherein the cooling barrel is sleeved outside the extruder barrel, a water inlet and a water outlet are formed in the cooling barrel, the cooling tower is communicated with the water inlet and the water outlet through pipelines respectively, the circulating pump is arranged on a water inlet pipeline, at least two water retaining strips are arranged inside the cooling barrel, the water retaining strips are arranged along the radial direction of the cooling barrel, and the water retaining strips are arranged on the outer barrel wall and the inner barrel wall of the cooling barrel at intervals.

Description

Barrel cooling device of double-screw extruder

Technical Field

The utility model belongs to the twin-screw extruder field. More specifically, the utility model relates to a double screw extruder's barrel cooling device.

Background

In the production and use process of the double-screw extruder, when the temperature of the barrel of the extruder is higher, heat can be conducted to the feed inlet, so that the temperature of the feed inlet is continuously increased, and the barrel needs to be cooled. Patent CN 201776899U-a cooling device of twin-screw extruder discloses a method for cooling barrel, however, it has problems of insufficient heat exchange, poor cooling effect and cleaning after scaling, so it is necessary to design a cooling device capable of performing sufficient heat exchange to achieve rapid cooling of the barrel of the extruder.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model discloses it is still another purpose to provide a double screw extruder's barrel cooling device, and it can be quick cools down to the barrel, has characteristics such as good cooling effect preferred.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a barrel cooling device of a twin-screw extruder, including:

an extruder barrel;

the cooling assembly comprises a cooling barrel, a cooling tower and a circulating pump, wherein the cooling barrel is sleeved outside the extruder barrel, a water inlet and a water outlet are formed in the cooling barrel, the cooling tower is communicated with the water inlet and the water outlet through pipelines respectively, the circulating pump is arranged on a water inlet pipeline, at least two water retaining strips are arranged inside the cooling barrel, the water retaining strips are arranged along the radial direction of the cooling barrel, and the water retaining strips are arranged on the outer barrel wall and the inner barrel wall of the cooling barrel at intervals.

The utility model discloses an increase the breakwater, increased the area with water contact, strengthened the heat transfer effect, and, the utility model discloses a breakwater can change the direction of rivers for hydroenergy carries out more abundant heat exchange with the cooling cylinder.

Preferably, the inside of cooling cylinder is provided with 2 piece at least division boards, the division board sets up in order to incite somebody to action along the length direction of cooling cylinder 2 water-cooling spaces are separated into at least to the cooling cylinder, all are provided with water inlet and delivery port on every water-cooling space. The cooling cylinder is divided into a plurality of cold water spaces by the partition plates, so that water in the cold water spaces can be rapidly input and output, and the cooling effect is enhanced.

Preferably, the water inlet is arranged at one end of the cooling cylinder, and the water outlet is arranged at the other end of the cooling cylinder.

Preferably, the cooling fins are arranged on the outer side of the cylinder wall of the cooling cylinder.

Preferably, a housing member is arranged outside the cooling cylinder, the cooling cylinder is sleeved in the housing member, the cylinder wall of the cooling cylinder and the housing member enclose an airflow channel, an air inlet is arranged at one end of the housing member, an air outlet is arranged at the other end of the housing member, and a ventilation fan is arranged at the air inlet to drive airflow to flow in the airflow channel. The heat of the radiating fins is taken away through the airflow, and the effect of auxiliary cooling is achieved.

Preferably, an ultrasonic descaling device is arranged on the wall of the cooling cylinder, and an energy conversion probe of the ultrasonic descaling device is vertically welded on the wall of the cooling cylinder. Through ultrasonic wave scale removal device, can effectually clear away the adnexed incrustation scale on the cooling cylinder inner wall, effectively avoided the reduction of cooling cylinder heat transfer effect.

Preferably, the outlet conduit is further provided with a dirt filtering device, and the dirt filtering device includes:

the filter cartridge is of a cylindrical structure, L-shaped connecting parts are arranged at openings at two ends of the filter cartridge and are integrally formed with the filter cartridge, abutting surfaces are formed at the transverse parts of the L-shaped connecting parts, internal threads are arranged on the vertical parts of the L-shaped connecting parts, cover bodies are arranged at two ends of the filter cartridge, external threads are arranged on the cover bodies, the cover bodies are in threaded connection with the filter cartridge, and water passing ports are formed in the cover bodies;

two filter bags, the filter bag opening part is provided with connecting portion, cross the filter bag cover and establish when the cartridge filter, connecting portion butt is in will cross the filter cartridge of filter bag fixed when making lid threaded connection on the cartridge filter on the butt face.

Through being provided with dirt filtering device, the incrustation scale of suspension in aqueous is clear away in the filtration, has avoided the incrustation scale to get into the cooling tower and the cooling tower cooling effect that causes reduces. The utility model discloses a cartridge filter and the dismantlement of lid set up the mode, be convenient for to the washing of crossing the filter bag and convenient take out the incrustation scale in the bag and get rid of.

Preferably, rubber pads are arranged on the upper side and the lower side of the connecting part. The rubber pad is arranged to prevent water leakage at the joint.

The utility model discloses at least, include following beneficial effect:

first, the utility model discloses an increase the breakwater, increased the area with water contact, strengthened the heat transfer effect, and, the utility model discloses a breakwater can change the direction of rivers for hydroenergy and cooling cylinder carry out more abundant heat exchange.

Second, the utility model discloses an utilize the ultrasonic wave to realize getting rid of simple structure, convenient and fast to the incrustation scale of adhering to on the cooling cylinder.

Third, the utility model discloses a be provided with dirt filtering device, the incrustation scale of suspension in aqueous is clear away in the filtration, has avoided the incrustation scale to get into the cooling tower and the cooling tower cooling effect that causes reduces. The utility model discloses a cartridge filter and the dismantlement of lid set up the mode, be convenient for to the washing of crossing the filter bag and convenient take out the incrustation scale in the bag and get rid of.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

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

fig. 2 is a schematic structural view of the dirt filtering device of the present invention.

1. An extruder barrel; 2. a cooling cylinder; 3. a water inlet; 4. a water outlet; 5. a circulation pump; 6. a cooling tower; 7. a water bar; 8. an ultrasonic descaling device; 9. a dirt filtering device; 10. a filter cartridge; 11. a cover body; 12. and (4) a filter bag.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As shown in fig. 1, the utility model provides a double screw extruder's barrel cooling device, it includes:

an extruder barrel 1;

cooling unit, it includes cooling cylinder 2, cooling tower 6 and circulating

pump

5, 2 covers of cooling cylinder are established the outside of extruder barrel 1, be provided with water inlet 3 and delivery port 4 on the cooling cylinder 2, cooling tower 6 communicates with water inlet 3 and delivery port 4 respectively through the pipeline, circulating pump 5 sets up on the inlet channel, the inside of cooling cylinder 2 is provided with two piece at least breakwater 7, breakwater 7 sets up along the radial direction of cooling cylinder 2, breakwater 7 sets up at the interval on the outer tube wall of cooling cylinder 2 and inner tube wall.

The utility model discloses an increase water bar 7, increased the area with water contact, strengthened the heat transfer effect, and, the utility model discloses a water bar 7 can change the direction of rivers for hydroenergy and cooling cylinder 2 carry out more abundant heat exchange.

In another kind of technical scheme, the inside of cooling cylinder 2 is provided with 2 piece at least division boards, the division board sets up along the length direction of cooling cylinder 2 in order to with 2 water-cooling spaces are separated into at least to cooling cylinder 2, all are provided with water inlet 3 and delivery port 4 on every water-cooling space. The cooling cylinder 2 is divided into a plurality of cold water spaces by the partition plates, so that water in the cold water spaces can be rapidly input and output, and the cooling effect is enhanced.

In another technical scheme, the water inlet 3 is arranged at one end of the cooling cylinder 2, and the water outlet 4 is arranged at the other end of the cooling cylinder 2.

In another technical scheme, cooling fins are arranged on the outer side of the wall of the cooling cylinder 2.

In another technical scheme, a shell member is arranged outside the cooling cylinder 2, the cooling cylinder 2 is sleeved in the shell member, the cylinder wall of the cooling cylinder 2 and the shell member enclose an airflow channel, an air inlet is arranged at one end of the shell member, an air outlet is arranged at the other end of the shell member, and a ventilation fan is arranged at the air inlet to drive airflow to flow in the airflow channel. The heat of the radiating fins is taken away through the airflow, and the effect of auxiliary cooling is achieved.

In another technical scheme, an ultrasonic descaling device 8 is arranged on the wall of the cooling cylinder 2, and an energy conversion probe of the ultrasonic descaling device 8 is vertically welded on the wall of the cooling cylinder 2. Through ultrasonic wave scale removal device 8, can effectually clear away the incrustation scale that attaches on the 2 inner walls of cooling cylinder, effectively avoided the reduction of 2 heat transfer effects of cooling cylinder.

In another technical solution, a dirt filtering device 9 is further disposed on the water outlet pipe, and the dirt filtering device 9 includes:

the filter cartridge 10 is of a cylindrical structure, the openings at two ends of the filter cartridge 10 are provided with L-shaped connecting parts, the L-shaped connecting parts and the filter cartridge 10 are integrally formed, the transverse parts of the L-shaped connecting parts form abutting surfaces, the vertical parts of the L-shaped connecting parts are provided with internal threads, two ends of the filter cartridge 10 are provided with cover bodies 11, the cover bodies 11 are provided with external threads, the cover bodies 11 are in threaded connection with the filter cartridge 10, and the cover bodies 11 are provided with water through ports;

two filter bags 12, the 12 openings of filter bag are provided with connecting portion, filter bag 12 cover is established when the cartridge filter 10 is in, connecting portion butt is in will filter in the fixed cartridge filter 10 of bag 12 when making 11 threaded connection of lid on the cartridge filter 10 on the butt face.

Through being provided with dirt filter 9, the incrustation scale of suspension in aqueous is clear away in the filtration, has avoided the incrustation scale to get into cooling tower 6 and the cooling effect of cooling tower 6 that causes reduces. The utility model discloses a cartridge filter 10 and lid 11 can dismantle the mode that sets up, be convenient for take out the incrustation scale in the bag to the washing of crossing filter bag 12 and convenient.

In another technical scheme, rubber pads are arranged on the upper side and the lower side of the connecting part. The rubber pad is arranged to prevent water leakage at the joint.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. Barrel cooling device of twin-screw extruder, its characterized in that includes:

an extruder barrel;

2. The cooling device for the barrel of the twin-screw extruder in claim 1, wherein the cooling barrel is provided with at least 2 partition plates inside, the partition plates are arranged along the length direction of the cooling barrel to divide the cooling barrel into at least 2 water cooling spaces, and each water cooling space is provided with a water inlet and a water outlet.

3. The apparatus for cooling the barrel of a twin-screw extruder in accordance with claim 1, wherein the water inlet is provided at one end of the cooling cylinder and the water outlet is provided at the other end of the cooling cylinder.

4. The cooling device for the barrel body of the twin-screw extruder in claim 1, wherein the cooling fins are arranged on the outer side of the barrel wall of the cooling barrel.

5. The cooling device for the barrel of the twin-screw extruder as claimed in claim 4, wherein a housing member is disposed outside the cooling barrel, the cooling barrel is sleeved in the housing member, the barrel wall of the cooling barrel and the housing member define an airflow channel, one end of the housing member is provided with an air inlet, the other end of the housing member is provided with an air outlet, and the air inlet is provided with a ventilation fan to drive airflow to flow in the airflow channel.

6. The cooling device for the barrel body of the twin-screw extruder as claimed in claim 1, wherein the barrel wall of the barrel of the cooling barrel is provided with an ultrasonic descaling device, and the transduction probe of the ultrasonic descaling device is vertically welded on the barrel wall of the cooling barrel.

7. The cooling device for the barrel of the twin-screw extruder in accordance with claim 6, wherein the water outlet pipe is further provided with a dirt filtering device, and the dirt filtering device comprises:

8. The cooling device for the barrel of the twin-screw extruder according to claim 7, wherein rubber pads are provided on both upper and lower sides of the connecting portion.