CN216068578U

CN216068578U - Improved extruder condenser

Info

Publication number: CN216068578U
Application number: CN202122409463.1U
Authority: CN
Inventors: 刘拥军; 龚文斌
Original assignee: Zhejiang Yalante New Material Technology Co ltd
Current assignee: Zhejiang Yalante New Material Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-18
Anticipated expiration: 2031-09-30

Abstract

The utility model provides an improved extruder condenser, which solves the problems of condensation of solution in materials and the like and comprises a condensation cylinder vertically arranged at the outlet of an extruder, wherein the end head of the condensation cylinder is closed, the outer side of the condensation cylinder is provided with air outlet holes uniformly distributed along the circumferential direction, the outer sides of the air outlet holes are respectively connected with air outlet cylinders, the inner sides of the air outlet cylinders are provided with radiating fins symmetrically arranged relative to the central axis of the air outlet cylinders, the outer side of the condensation cylinder is sleeved with a sealing cover, the inner side of the sealing cover is provided with radiating bulges distributed along the circumferential direction, the radiating bulges are correspondingly inserted into the air outlet cylinders one by one, the radiating fins penetrate through the radiating bulges and are in contact with the outside of the sealing cover, the upper end of the sealing cover is provided with an air outlet channel, and a liquid discharge channel is arranged between the condensation cylinder and the lower end of the sealing cover. The utility model has the advantages of good condensation effect, stable structure and the like.

Description

Improved extruder condenser

Technical Field

The utility model belongs to the technical field of extruders, and particularly relates to an improved extruder condenser.

Background

The plastic material enters the extruder from the hopper, is conveyed forward under the drive of the rotation of the screw, and is melted under the heating action of the charging barrel and the shearing and compression actions brought by the screw in the forward movement process, so that the change among three states of glass state, high elastic state and viscous state is realized. Under the condition of pressurization, the material in a viscous state passes through a die with a certain shape and then becomes a continuous body with a cross section similar to the die shape according to the die. Then cooling and shaping to form a glass state, thereby obtaining the workpiece to be processed. However, during the extrusion process, the solution in the material volatilizes, and the gas is led out from the extrusion opening to influence the forming quality. In addition, if the volatilized gas is not treated in time, waste and environmental pollution are easily caused.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses an extruder vent tray condenser [201620586503.6], which includes an upper cover, a lower cover, a side connection plate, and a tray, wherein the upper cover is connected to the lower cover through the side connection plate and a first cavity is formed between the upper cover, the lower cover, and the side connection plate, the upper cover is provided with an upper opening, and the lower cover is provided with a lower opening; the tower plate is arranged between the upper cover and the lower cover and positioned in the first cavity, a plurality of plate holes are formed in the tower plate, and a second cavity is formed in the tower plate; and a cooling medium inlet and a cooling medium outlet which are communicated with the second cavity of the tower plate are arranged on the side connecting plate.

The solution volatilization's problem in the material has been solved to a certain extent to above-mentioned scheme, but this scheme still has a lot of not enough, for example can't realize in time solution condensation and retrieve the scheduling problem.

Disclosure of Invention

The utility model aims to solve the problems and provides an improved extruder condenser with reasonable design and good solution condensation and recovery effects.

In order to achieve the purpose, the utility model adopts the following technical scheme: this improved generation extruder condenser, including the vertical condensation section of thick bamboo of installing in the extruder exit, condensation section of thick bamboo tip seals and the outside is opened has along circumference evenly distributed's venthole, the venthole outside is connected with the play chimney respectively, the inboard fin that sets up relative central axis symmetry of play chimney, condensation section of thick bamboo outside cover has the sealed cowling, the sealed cowling inboard is provided with along the heat dissipation arch of circumference distribution, in the protruding one-to-one of heat dissipation pegged graft goes into the play chimney, the fin passes heat dissipation arch and sealed cowling external contact, the sealed cowling upper end is provided with air outlet channel, be provided with drain passage between condensation section of thick bamboo and the sealed cowling lower extreme. The air outlet cylinder outside the condensing cylinder and the heat dissipation bulge of the sealing cover form a heat dissipation structure, and the condensing heat dissipation structure has high condensing heat dissipation efficiency on solution.

In foretell improved generation extruder condenser, condensation cylinder and sealed cowling top are circular-arcly, and condensation cylinder outside and sealed cowling inboard have the liquid guide groove along circumference evenly distributed, and the liquid guide groove extends along vertical direction. The liquid guide groove facilitates the liquid drops to be quickly concentrated and guided out from the liquid discharge channel.

In the improved extruder condenser, the air outlet cylinder is horn-shaped, the wide opening of the air outlet cylinder is opposite to the heat dissipation bulge on the inner side of the sealing cover, and a gap is reserved between the end of the air outlet cylinder and the inner wall of the sealing cover. The trumpet-shaped air outlet cylinder prevents liquid drops from flowing back into the condensation cylinder.

In foretell improved generation extruder condenser, it has a plurality of mounting grooves that distribute along circumference to open on the sealed cowling, and it has the cooling plate to peg graft respectively in the mounting groove, and the cooling plate is arc and end and condenser cylinder outside to support and lean on. And a cooling plate is selected according to actual needs to obtain the optimal condensation effect.

In the above-described improved extruder condenser, the cooling plate includes a cooling frame body, and a honeycomb-shaped heat radiation net is provided inside the cooling frame body. The honeycomb-shaped heat dissipation net has a large contact area with flowing gas.

In the improved extruder condenser, the lower ends of the condensing cylinder and the sealing cover are connected with the sealing base, and the sealing components are respectively arranged between the condensing cylinder and the sealing cover as well as between the condensing cylinder and the sealing base. The condensing cylinder and the sealing cover can be detached relative to the sealing base, and the inside of the condensing cylinder and the sealing cover can be cleaned and maintained conveniently.

In foretell improved generation extruder condenser, the flowing back passageway sets up at the seal base lower extreme, and the seal base upper end covers there is the filter screen, and flowing back passageway exit cover has the seal cover of silica gel material. The filter screen carries out prefilter to the liquid drop, guarantees that flowing back of flowing back passageway is stable.

In foretell improved generation extruder condenser, seal assembly is including setting up the seal groove in seal base upper end, and condensation cylinder and seal cover lower extreme peg graft with seal base, and the inboard threaded connection of seal groove and condensation cylinder and seal cover lower extreme, the tight sealing washer that is fixed with of clamp between the condensation cylinder and the seal cover lower extreme outside and the seal groove inboard. The sealing assembly has high sealing performance and can bear high internal pressure.

In the improved extruder condenser, the lower end of the air outlet channel at the upper end of the sealing cover is provided with the flow blocking cover, a gap is reserved between the upper end of the flow blocking cover and the inner wall of the upper end of the sealing cover, and the flow blocking cover is arc-shaped and the inner arc surface faces downwards. The flow blocking cover enables air to flow along the inner wall of the upper end of the sealing cover, and exhaust stability is guaranteed.

In the improved extruder condenser, the heat radiation fan opposite to the outer side of the sealing cover is arranged below the sealing cover, and the temperature sensor is arranged on the inner side of the sealing cover. The heat exchange of the sealing cover can be accelerated by the cooling fan, and the solution can be finely separated by adjusting the temperature.

Compared with the prior art, the utility model has the advantages that: a condensing structure is arranged between the air outlet cylinder outside the condensing cylinder and the heat dissipation bulge of the sealing cover, so that the condensing structure has a good heat dissipation and condensation effect and is beneficial to solution recovery; the sealing cover and the condensation cylinder are fixedly connected through the sealing base, so that a good sealing effect is achieved; the liquid is led out in a centralized way, and the solution collecting efficiency is higher.

Drawings

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

FIG. 2 is a structural cross-sectional view of the present invention;

FIG. 3 is a partial cross-sectional view of the present invention;

in the figure, a condensation cylinder 1, an air outlet hole 11, an air outlet cylinder 12, a radiating fin 13, a sealing cover 2, a radiating protrusion 21, a liquid guide groove 22, a mounting groove 23, a cooling plate 24, a cooling frame 25, a radiating net 26, an air outlet channel 3, a liquid discharge channel 4, a sealing base 5, a filter screen 51, a sealing sleeve 52, a sealing assembly 6, a sealing groove 61, a sealing ring 62, a flow blocking cover 7 and a radiating fan 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, this improved generation extruder condenser, including vertical condensation section of thick bamboo 1 of installing in the extruder exit, condensation section of thick bamboo 1 end is sealed and the outside is opened has along circumference evenly distributed's venthole 11, the venthole 11 outside is connected with air outlet tube 12 respectively, air outlet tube 12 inboard sets up the fin 13 of setting up relative its central axis symmetry, condensation section of thick bamboo 1 outside cover has sealed cowling 2, 2 inboard sides of sealed cowling are provided with along circumference distributed's heat dissipation arch 21, in heat dissipation arch 21 one-to-one pegs graft into air outlet tube 12, fin 13 passes heat dissipation arch 21 and sealed cowling 2 external contact, sealed cowling 2 upper end is provided with outlet channel 3, be provided with drainage channel 4 between condensation section of thick bamboo 1 and the sealed cowling 2 lower extreme. The sealing cover 2 seals the outer side of the condensation cylinder 1, the heat dissipation bulge 21 of the sealing cover is opposite to the air outlet hole 11 and is inserted into the air outlet cylinder 12, air flows through the air outlet cylinder 12, and heat is concentrated to the outer side of the heat dissipation bulge 21 through the heat dissipation fins 13 and is dissipated rapidly under the action of convection.

Specifically, the tops of the condensation cylinder 1 and the sealing cover 2 are arc-shaped, liquid guide grooves 22 are uniformly distributed on the outer side of the condensation cylinder 1 and the inner side of the sealing cover 2 along the circumferential direction, and the liquid guide grooves 22 extend along the vertical direction. A liquid guide groove 22 is arranged between the condensation cylinder 1 and the sealing cover 2, and steam flows along the liquid guide groove 22 after being condensed and is concentrated to the liquid discharge channel 4.

Deeply, the air outlet cylinder 12 is trumpet-shaped, the wide opening of the air outlet cylinder is opposite to the heat dissipation bulge 21 on the inner side of the sealing cover 2, and a gap is reserved between the end of the air outlet cylinder 12 and the inner wall of the sealing cover 2. The liquid is condensed in the air outlet cylinder 12 and then slides down, and the gap between the air outlet cylinder 12 and the sealing cover 2 does not influence the concentration of the liquid.

Further, it has a plurality of mounting grooves 23 that distribute along circumference to open on the sealed cowling 2, and it has cooling plate 24 to peg graft respectively in the mounting groove 23, and cooling plate 24 is arc and the end leans on with the condensation section of thick bamboo 1 outside. The cooling plate 24 is installed in the sealing cover 2 in a plug-in assembly mode and used for accelerating heat dissipation.

Further, the cooling plate 24 includes a cooling frame 25, and a honeycomb-shaped heat dissipation net 26 is provided inside the cooling frame 25. The heat dissipation net 26 is formed integrally with the cooling frame 25, is made of a heat conductive material, and selects a cooling plate 24 of an appropriate specification according to actual needs.

Besides, the lower ends of the condensation cylinder 1 and the sealing cover 2 are connected with the sealing base 5, and sealing components 6 are respectively arranged between the condensation cylinder 1 and the sealing cover 2 and the sealing base 5. The lower ends of the condensation cylinder 1 and the sealing cover 2 are sealed by the sealing base 5, and the center of the sealing base 5 is provided with an interface which is opposite to the inner side of the condensation cylinder 1 and is connected with an air outlet of the extruder.

Meanwhile, the liquid drainage channel 4 is arranged at the lower end of the sealing base 5, the upper end of the sealing base 5 is covered with a filter screen 51, and the outlet of the liquid drainage channel 4 is sleeved with a sealing sleeve 52 made of silica gel. The liquid discharge channel 4 is connected with an external container, and the solution is intensively recycled or directly introduced into an extruder to realize recycling.

Visibly, the sealing assembly 6 comprises a sealing groove 61 arranged at the upper end of the sealing base 5, the lower ends of the condensation cylinder 1 and the sealing cover 2 are inserted into the sealing base 5, the inner side of the sealing groove 61 is in threaded connection with the inner sides of the lower ends of the condensation cylinder 1 and the sealing cover 2, and a sealing ring 62 is clamped and fixed between the outer sides of the lower ends of the condensation cylinder 1 and the sealing cover 2 and the inner side of the sealing groove 61. The sealing assembly 6 ensures the connection stability of the sealing base 5 with the condensation cylinder 1 and the sealing cover 2.

Obviously, the lower end of the air outlet channel 3 at the upper end of the sealing cover 2 is provided with a flow blocking cover 7, a gap is reserved between the upper end of the flow blocking cover 7 and the inner wall of the upper end of the sealing cover 2, and the flow blocking cover 7 is arc-shaped and the inner arc surface is downward. The flow blocking cover 7 is fixedly connected with the sealing cover 2, the radian of the flow blocking cover is consistent with that of the top of the sealing cover 2, the air outlet channel 3 is covered, and air is guided to flow along the inner wall of the sealing cover 2.

Preferably, a heat radiation fan 8 opposite to the outer side of the sealing cover 2 is arranged below the sealing cover 2, and a temperature sensor is arranged on the inner side of the sealing cover 2. The heat radiation fan 8 accelerates the air flow outside the sealing cover 2, and improves the heat convection rate of the heat radiation protrusion 21.

In summary, the principle of the present embodiment is: leave the cavity between condensation cylinder 1 and the sealed cowling 2, wherein be provided with a plurality of condensation structures along circumference evenly distributed between condensation cylinder 1 and the sealed cowling 2, wherein the condensation structure comprises gas outlet cylinder 12 and the heat dissipation arch 21 of pegging graft each other, and the heat is concentrated to the heat dissipation arch 21, realizes the heat through the thermal convection mode and scatters and disappears fast to accelerate liquid condensation efficiency.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although terms such as the condensation cylinder 1, the air outlet hole 11, the air outlet cylinder 12, the heat sink 13, the sealing cover 2, the heat dissipating protrusion 21, the liquid guiding groove 22, the mounting groove 23, the cooling plate 24, the cooling frame 25, the heat dissipating net 26, the air outlet channel 3, the liquid discharging channel 4, the sealing base 5, the filter screen 51, the sealing sleeve 52, the sealing assembly 6, the sealing groove 61, the sealing ring 62, the baffle cover 7, and the heat dissipating fan 8 are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. An improved extruder condenser comprises a condensing cylinder (1) vertically arranged at the outlet of an extruder, it is characterized in that the end of the condensation cylinder (1) is closed, the outer side is provided with air outlets (11) which are uniformly distributed along the circumferential direction, the outer sides of the air outlet holes (11) are respectively connected with an air outlet cylinder (12), the inner side of the air outlet cylinder (12) is provided with radiating fins (13) which are symmetrically arranged relative to the central axis thereof, a sealing cover (2) is sleeved outside the condensation cylinder (1), heat dissipation bulges (21) distributed along the circumferential direction are arranged on the inner side of the sealing cover (2), the heat dissipation bulges (21) are inserted into the air outlet cylinder (12) in a one-to-one correspondence way, the radiating fins (13) penetrate through the radiating bulges (21) to be in contact with the outside of the sealing cover (2), the upper end of the sealing cover (2) is provided with an air outlet channel (3), and a liquid drainage channel (4) is arranged between the lower ends of the condensation cylinder (1) and the sealing cover (2).

2. The improved condenser of extruder as claimed in claim 1, wherein the top of said condensing cylinder (1) and said sealing cover (2) are arc-shaped, the liquid guiding slots (22) are uniformly distributed along the circumference outside said condensing cylinder (1) and inside said sealing cover (2), and said liquid guiding slots (22) extend along the vertical direction.

3. The improved extruder condenser as claimed in claim 2, wherein the gas outlet cylinder (12) is trumpet-shaped and has a wide mouth opposite to the heat dissipation protrusion (21) inside the sealing cover (2), and a gap is left between the end of the gas outlet cylinder (12) and the inner wall of the sealing cover (2).

4. The improved condenser of an extruder as claimed in claim 1, wherein the sealing cover (2) is provided with a plurality of mounting grooves (23) distributed along the circumferential direction, the mounting grooves (23) are respectively inserted with cooling plates (24), and the cooling plates (24) are arc-shaped and the ends thereof are abutted against the outer side of the condensing cylinder (1).

5. The improved extruder condenser as recited in claim 4, wherein said cooling plate (24) comprises a cooling frame (25), and a honeycomb-shaped heat-dissipating net (26) is disposed inside said cooling frame (25).

6. The improved condenser of extruder as claimed in claim 1, wherein the lower ends of the condensing cylinder (1) and the sealing cover (2) are connected with the sealing base (5), and sealing components (6) are respectively arranged between the condensing cylinder (1) and the sealing cover (2) and the sealing base (5).

7. The improved condenser of an extruder as claimed in claim 6, wherein the liquid discharge channel (4) is arranged at the lower end of the sealing base (5), the upper end of the sealing base (5) is covered with a filter screen (51), and the outlet of the liquid discharge channel (4) is sleeved with a sealing sleeve (52) made of silica gel.

8. The improved condenser of the extruder as claimed in claim 6, wherein the sealing assembly (6) comprises a sealing groove (61) disposed at the upper end of the sealing base (5), the lower ends of the condensation cylinder (1) and the sealing cover (2) are inserted into the sealing base (5), the inner side of the sealing groove (61) is in threaded connection with the inner sides of the lower ends of the condensation cylinder (1) and the sealing cover (2), and a sealing ring (62) is clamped and fixed between the outer sides of the lower ends of the condensation cylinder (1) and the sealing cover (2) and the inner side of the sealing groove (61).

9. The improved condenser of an extruder according to claim 1, wherein a flow blocking cover (7) is arranged at the lower end of the gas outlet channel (3) at the upper end of the sealing cover (2), a gap is reserved between the upper end of the flow blocking cover (7) and the inner wall of the upper end of the sealing cover (2), and the flow blocking cover (7) is arc-shaped and has a downward inner arc surface.

10. The improved condenser of extruder as claimed in claim 1, wherein the heat dissipation fan (8) is arranged under the sealing cover (2) and opposite to the outside of the sealing cover (2), and the temperature sensor is arranged inside the sealing cover (2).