CN210174165U - Cooling device of double-screw extruder - Google Patents
Cooling device of double-screw extruder Download PDFInfo
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- CN210174165U CN210174165U CN201920515394.2U CN201920515394U CN210174165U CN 210174165 U CN210174165 U CN 210174165U CN 201920515394 U CN201920515394 U CN 201920515394U CN 210174165 U CN210174165 U CN 210174165U
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Abstract
The utility model relates to a double screw extruder's cooling device, including set up in double screw extruder discharge gate department's cooling trough, set up in heat transfer mechanism and guider in the cooling trough, heat transfer mechanism contain the multirow run through side by side set up in the cooling heat exchange tube of cooling trough both sides, the both ends lateral wall of cooling heat exchange tube is seal welded respectively on the lateral wall of cooling trough, the outer fringe limit department of cooling heat exchange tube is provided with a plurality of corresponding U type recesses according to the angle such as, the bottom of U type recess outwards fixed welding respectively has corresponding slice heating panel, it has corresponding U type heating panel to become the integration rigid coupling respectively on the slice heating panel, the outside device of cooling trough have a set of blow to the radiator fan of cooling trough. The utility model discloses can reach high efficiency and cool down cooling water, and can not cause the influence to the material in the cooling, can effectively ensure that the cooling operation effectively lasts for a long time and goes on.
Description
Technical Field
The utility model relates to an auxiliary assembly is used in twin-screw extruder production specifically indicates a twin-screw extruder's cooling device.
Background
The double screw extruder is a universal plastic master batch manufacturing device, and in the production process, a formed plastic extrusion layer is cooled and shaped immediately after leaving a machine head, otherwise, the plastic extrusion layer is deformed under the action of gravity. At present, the cooling mode for the production of the twin-screw extruder is generally water cooling. In order to ensure the cooling effect, the most direct mode is that the formed plastic extrusion layer is directly guided into the cooling water tank through the guide mechanism, materials are directly and fully contacted with water, and the effect of cooling the materials is rapidly realized. However, as the service life of the cooling water is prolonged, the temperature of the cooling water itself is greatly increased, and the cooling effect which can be achieved at the early stage is hardly achieved. Therefore, the cooling water needs to be cooled. At present, the most common mode is that water in a cooling water tank is directly circulated through a circulating water suction pump and a circulating cooling heat exchange tube, and in the process of passing through, the cooling treatment is carried out through a cooling fan, and the coil pipe treatment can be carried out on the circulating cooling heat exchange tube for improving the cooling effect. Not only does this occupy space, but most importantly the cooling effect is also extremely limited. For this part plastics masterbatch manufacture factory begins to adopt through the air compressor machine with in squeezing into cooling trough with high-pressure air, make the water in the cooling trough form comparatively violent rolling to improve cooling efficiency and cooling effect. Because the material before cooling has higher temperature and is easy to deform, the material is placed in rolling water flow for cooling, the thrust borne by the material is larger than the influence of gravity on the material, so that the material is easy to deform, defective products are easy to appear, and the rolling cooling mode is not suitable. Consequently, design a section can reach high efficiency and cool down the cooling water, and can not lead to the fact the influence to the material in the cooling, can effectively ensure that the cooling operation effectively lasts the cooling device of going on double screw extruder for a long time is the utility model discloses a research purpose.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a double screw extruder's cooling device, the technical problem that above-mentioned prior art exists can effectively be solved to this double screw extruder's cooling device.
The technical scheme of the utility model is that:
a cooling device of a double-screw extruder comprises a cooling water tank arranged at a discharge port of the double-screw extruder, a heat exchange mechanism and a guide device, wherein the heat exchange mechanism comprises a plurality of rows of cooling heat exchange tubes which are arranged on two sides of the cooling water tank in a side-by-side penetrating manner, the side walls of two ends of each cooling heat exchange tube are respectively welded on the side walls of the cooling water tank in a sealing manner, two adjacent rows of cooling heat exchange tubes are arranged in a staggered manner, a plurality of corresponding U-shaped grooves are formed in the outer edge of each cooling heat exchange tube according to equal angles, corresponding sheet-shaped heat dissipation plates are respectively welded outwards and fixedly at the bottoms of the U-shaped grooves, the sheet-shaped heat dissipation plates are respectively and integrally fixedly connected with corresponding U-shaped heat dissipation plates, and a group of heat; the guide device comprises a plurality of guide wheels which are arranged on the middle positions of the two rows of cooling heat exchange tubes at the top in a rotating mode.
The top of the cooling water tank is connected with a corresponding water distribution box through a corresponding support rod, six surfaces of the water distribution box are sealed, the top surface of the water distribution box is provided with a corresponding circulating water inlet pipe, and the bottom surface of the water distribution box is uniformly provided with a plurality of corresponding circulating water outlets; the circulation water inlet pipe is connected to the bottom of the cooling water tank through a corresponding water suction pump and a corresponding water suction pipe.
The circulating water inlet pipe is also connected with a corresponding water replenishing pipe through a water replenishing pump, the water replenishing pipe is connected to an external tap water source, and a first valve and a second valve which are corresponding to the water replenishing pipe and the water pumping pipe are respectively arranged at one ends close to the circulating water inlet pipe; and the bottom of the cooling water tank is connected with a corresponding drain pipe, and the drain pipe is connected to an external water pool through a corresponding third valve.
One end of the water pumping pipe, which is not connected to the water pumping pump, is connected with a plurality of corresponding water pumping branch pipes in a parallel connection mode, and the water pumping branch pipes are respectively connected to the bottom of the cooling water tank.
And the front end and the rear end of the cooling water tank are respectively provided with a corresponding material inlet and outlet, and the bottoms of the material inlet and outlet are respectively and rotatably provided with a corresponding guide shaft.
The guide shaft and the guide wheel are made of metal materials and are rotatably arranged on the cooling water tank and the cooling heat exchange tube through corresponding bearings respectively.
The cooling water tank is supported by the respective legs.
The utility model has the advantages that:
the utility model discloses on the lateral wall of cooling trough is welded to the both ends lateral wall of cooling heat exchange tube respectively sealed, in being equivalent to directly arranging the cooling heat exchange tube in the cooling trough, effective abundant comprehensive and cooling water in the cooling trough realize the heat exchange. And effectively take away a large amount of heats in leading-in a plurality of corresponding cooling heat transfer pipes of air current through radiator fan, realize sufficient radiating effect to high efficiency cools down cooling water, and can not cause the influence to the material in the cooling, can effectively ensure that the cooling operation effectively lasts for a long time and go on.
The utility model also has a plurality of corresponding U-shaped grooves arranged at the outer edge of the cooling heat exchange tube according to equal angles, and the contact surface between the cooling water and the cooling heat exchange tube is greatly improved through the arrangement of the U-shaped grooves, thereby effectively and greatly improving the heat exchange efficiency; through the bottom at U type recess respectively outside fixed welding have corresponding slice heating panel, become integration rigid coupling respectively on the slice heating panel and have corresponding U type heating panel, under the effect of slice heating panel and U type heating panel, effectively improve the air current of circulation and take away thermal efficiency. Thereby further cooling the cooling water rapidly and efficiently.
The utility model discloses a cooling trough top is connected with corresponding water distribution box through corresponding bracing piece, and the circulation is realized to the water in the cooling trough to the accessible suction pump. In the circulation process, the cooling water at the bottom of the cooling water tank is uniformly discharged along the water pumping branch pipe and is dispersed and sprayed from a plurality of circulating water outlets of the water distribution box. Effectively further quickly and efficiently cooling the cooling water.
The utility model discloses can change cooling water fast on the basis that does not influence the operation. When the water pump is replaced, only the first valve on the water replenishing pipe is needed to be opened, the second valve on the water pumping pipe is needed to be closed, and the third valve on the water draining pipe is needed to be opened. The new cooling water can be uniformly added into the cooling water tank, and then the cooling water to be replaced is discharged to an external water tank.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the cooling heat exchange tube with both ends welded to a cooling water tank.
Fig. 3 is a schematic structural diagram of a heat exchange mechanism.
Fig. 4 is a schematic structural view of a guide wheel arranged on a cooling heat exchange pipe.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:
referring to fig. 1-4, a cooling device of a twin-screw extruder comprises a cooling water tank 1 arranged at a discharge port of the twin-screw extruder, a heat exchange mechanism 2 arranged in the cooling water tank 1 and a guiding device 3, the heat exchange mechanism 2 comprises a plurality of rows of cooling heat exchange tubes 201 which are arranged on two sides of the cooling water tank 1 in a penetrating way side by side, the side walls of the two ends of the cooling heat exchange tubes 201 are respectively welded on the side wall of the cooling water tank 1 in a sealing manner, two adjacent rows of cooling heat exchange tubes 201 are arranged in a staggered manner, a plurality of corresponding U-shaped grooves 4 are arranged at the outer edge of the cooling heat exchange pipe 201 at equal angles, the bottom of the U-shaped groove 4 is respectively welded with corresponding flaky heat dissipation plates 202 outwards, the U-shaped heat dissipation plates 203 are integrally fixed on the sheet-shaped heat dissipation plates 202, a group of cooling fans 5 blowing to the cooling heat exchange tubes 201 are arranged on the outer side of the cooling water tank 1; the guiding device 3 comprises a plurality of guiding wheels which are rotatably arranged at the middle positions of the two rows of cooling heat exchange tubes 201 at the top.
The top of the cooling water tank 1 is connected with a corresponding water distribution box 6 through a corresponding support rod 20, six sides of the water distribution box 6 are arranged in a closed manner, the top surface of the water distribution box 6 is provided with a corresponding circulating water inlet pipe 7, and the bottom surface of the water distribution box 6 is uniformly provided with a plurality of corresponding circulating water outlets 8; the circulation water inlet pipe 7 is connected to the bottom of the cooling water tank 1 through a corresponding water suction pump 9 and a water suction pipe 10.
The circulating water inlet pipe 7 is also connected with a corresponding water replenishing pipe 12 through a water replenishing pump 11, the water replenishing pipe 12 is connected to an external tap water source (not shown), and the water replenishing pipe 12 and the water pumping pipe 10 are respectively provided with a corresponding first valve 13 and a corresponding second valve 14 at one end close to the circulating water inlet pipe 7; the bottom of the cooling water tank 1 is connected with a corresponding drain pipe 15, and the drain pipe 15 is connected to an external water tank (not shown) through a corresponding third valve 16.
One end of the water pumping pipe 10, which is not connected to the water pumping pump 9, is connected with a plurality of corresponding water pumping branch pipes 1001 in a parallel connection manner, and the water pumping branch pipes 1001 are respectively connected to the bottom of the cooling water tank 1.
The front end and the rear end of the cooling water tank 1 are respectively provided with a corresponding material inlet and outlet, and the bottoms of the material inlet and outlet are respectively and rotatably provided with a corresponding guide shaft 17. The guide shaft 17 and the guide wheel are made of metal materials, and the guide shaft 17 and the guide wheel are rotatably mounted on the cooling water tank 1 and the cooling heat exchange pipe 201 through corresponding bearings 18 respectively. The cooling water tank 1 is supported by respective legs 19.
The utility model discloses on the lateral wall of cooling trough 1 is welded to the both ends lateral wall of cooling heat exchange tube 201 sealed respectively, in being equivalent to directly arranging cooling heat exchange tube 201 in cooling trough 1, effective abundant comprehensive and cooling water in cooling trough 1 realize the heat exchange. And effectively take away a large amount of heats in a plurality of corresponding cooling heat exchange tubes 201 with the air current through radiator fan 5, realize sufficient radiating effect to high efficiency cools down cooling water, and can not cause the influence to the material in the cooling, can effectively ensure that the cooling operation effectively lasts for a long time and go on.
The utility model also has a plurality of corresponding U-shaped grooves 4 arranged at the outer edge of the cooling heat exchange tube 201 at equal angles, and the contact surface between the cooling water and the cooling heat exchange tube 201 is greatly improved by the arrangement of the U-shaped grooves 4, thereby effectively and greatly improving the heat exchange efficiency; through outwards fixed welding respectively at the bottom of U type recess 4 and having corresponding slice heating panel 202, become integration rigid coupling respectively on slice heating panel 202 and have corresponding U type heating panel 203, under the effect of slice heating panel 202 and U type heating panel 203, effectively improve the air current that circulates and take away thermal efficiency. Thereby further cooling the cooling water rapidly and efficiently.
The utility model discloses a 1 tops of cooling trough is connected with corresponding cloth water box 6 through corresponding bracing piece 20, and circulation is realized to the water in the cooling trough 1 to accessible suction pump 9. In the circulation process, the cooling water in the bottom of the cooling water tank 1 is uniformly discharged along the water pumping branch pipe 1001 and is dispersedly sprayed from the plurality of circulating water outlets 8 of the water distribution box 6. Effectively further quickly and efficiently cooling the cooling water.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should belong to the scope of the present invention.
Claims (7)
1. The utility model provides a cooling device of double screw extruder, including set up in the cooling trough of double screw extruder discharge gate department, set up in heat transfer mechanism and guider in the cooling trough, its characterized in that: the heat exchange mechanism comprises a plurality of rows of cooling heat exchange tubes which are arranged on two sides of the cooling water tank in a penetrating mode side by side, the side walls of two ends of each cooling heat exchange tube are respectively welded to the side walls of the cooling water tank in a sealing mode, two adjacent rows of cooling heat exchange tubes are arranged in a staggered mode, a plurality of corresponding U-shaped grooves are formed in the outer edge of each cooling heat exchange tube at equal angles, corresponding sheet-shaped heat dissipation plates are respectively welded to the bottoms of the U-shaped grooves outwards in a fixed mode, the sheet-shaped heat dissipation plates are respectively fixedly connected with the corresponding U-shaped heat dissipation plates in an integrated mode, and a group of heat dissipation fans; the guide device comprises a plurality of guide wheels which are arranged on the middle positions of the two rows of cooling heat exchange tubes at the top in a rotating mode.
2. The cooling device of a twin-screw extruder as claimed in claim 1, wherein: the top of the cooling water tank is connected with a corresponding water distribution box through a corresponding support rod, six surfaces of the water distribution box are sealed, the top surface of the water distribution box is provided with a corresponding circulating water inlet pipe, and the bottom surface of the water distribution box is uniformly provided with a plurality of corresponding circulating water outlets; the circulation water inlet pipe is connected to the bottom of the cooling water tank through a corresponding water suction pump and a corresponding water suction pipe.
3. The cooling device of a twin-screw extruder as claimed in claim 2, wherein: the circulating water inlet pipe is also connected with a corresponding water replenishing pipe through a water replenishing pump, the water replenishing pipe is connected to an external tap water source, and a first valve and a second valve which are corresponding to the water replenishing pipe and the water pumping pipe are respectively arranged at one ends close to the circulating water inlet pipe; and the bottom of the cooling water tank is connected with a corresponding drain pipe, and the drain pipe is connected to an external water pool through a corresponding third valve.
4. A cooling device of a twin-screw extruder as claimed in claim 3, wherein: one end of the water pumping pipe, which is not connected to the water pumping pump, is connected with a plurality of corresponding water pumping branch pipes in a parallel connection mode, and the water pumping branch pipes are respectively connected to the bottom of the cooling water tank.
5. The cooling device of a twin-screw extruder as claimed in claim 1, wherein: and the front end and the rear end of the cooling water tank are respectively provided with a corresponding material inlet and outlet, and the bottoms of the material inlet and outlet are respectively and rotatably provided with a corresponding guide shaft.
6. The cooling device of a twin-screw extruder as claimed in claim 5, wherein: the guide shaft and the guide wheel are made of metal materials and are rotatably arranged on the cooling water tank and the cooling heat exchange tube through corresponding bearings respectively.
7. The cooling device of a twin-screw extruder as claimed in claim 1, wherein: the cooling water tank is supported by the respective legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515394.2U CN210174165U (en) | 2019-04-16 | 2019-04-16 | Cooling device of double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515394.2U CN210174165U (en) | 2019-04-16 | 2019-04-16 | Cooling device of double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210174165U true CN210174165U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920515394.2U Active CN210174165U (en) | 2019-04-16 | 2019-04-16 | Cooling device of double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210174165U (en) |
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2019
- 2019-04-16 CN CN201920515394.2U patent/CN210174165U/en active Active
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