CN214214369U - Circulating water cooling system for extrusion granulation production - Google Patents
Circulating water cooling system for extrusion granulation production Download PDFInfo
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- CN214214369U CN214214369U CN202023060654.3U CN202023060654U CN214214369U CN 214214369 U CN214214369 U CN 214214369U CN 202023060654 U CN202023060654 U CN 202023060654U CN 214214369 U CN214214369 U CN 214214369U
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- water
- cooling
- pipe
- water pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 200
- 238000001816 cooling Methods 0.000 title claims abstract description 102
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005469 granulation Methods 0.000 title claims abstract description 10
- 230000003179 granulation Effects 0.000 title claims abstract description 10
- 238000001125 extrusion Methods 0.000 title description 12
- 238000007599 discharging Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 229920000426 Microplastic Polymers 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000000498 cooling water Substances 0.000 description 28
- 239000012530 fluid Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of the technique of plastic pellet production and specifically relates to a extrude granulation production and use circulating water cooling system is related to, and it includes the water-cooling tank, and the water-cooling tank intercommunication has the first water pipe that is used for drawing water and the second water pipe that is used for the water to turn on, first water pipe with the second water pipe sets up respectively in cold water tank both ends, and first water pipe and second water pipe are linked together through heat transfer device. The application has the effect of improving the continuity of plastic pellet production.
Description
Technical Field
The application relates to the technical field of plastic pellet production, in particular to a circulating water cooling system for extrusion granulation production.
Background
The production of plastic granules needs three steps of master batch mixing, melt extrusion and cutting packaging, wherein the temperature of the plastic granules during melt extrusion can reach nearly 200 ℃, and the plastic strips in a high-temperature state after extrusion are not suitable for being immediately cut and formed, so that the plastic granules need to be cooled firstly.
In the prior art, extruded plastic strips are cooled by water cooling, namely, the plastic strips in a high-temperature state pass through a cold water tank, are cooled by cold water, are dried and are cut and molded.
To the above-mentioned correlation technique, the inventor thinks that the plastic strip that gets into constantly in the cold water pond when high temperature carries out the cooling in the in-process of actual continuous production for the temperature in the cold water pond rises constantly, in order to guarantee the water-cooling effect, needs often to change the cold water in the cold water pond, has reduced the continuity of plastic pellet production.
SUMMERY OF THE UTILITY MODEL
In order to improve the continuity of plastic pellet production, this application provides an extrude granulation production with circulation water cooling system.
The application provides a water cooling circulation system for extrusion granulation production adopts following technical scheme:
the utility model provides an extrude granulation production and use circulating water cooling system, includes the water-cooling tank, the water-cooling tank intercommunication has the first water pipe that is used for drawing water and the second water pipe that is used for the water to turn on, first water pipe with the second water pipe sets up respectively in cold water tank both ends, first water pipe with the second water pipe is linked together through heat transfer device.
Through adopting above-mentioned technical scheme, the cooling water in the water-cooling tank rises to the temperature after cooling off the plastic strip, then gets into heat transfer device through first water pipe and carry out the heat transfer in order to reduce the temperature of cooling water, gets into the water-cooling tank again through the second water pipe at last, realizes the relative invariant of temperature in the water-cooling tank, has guaranteed the water-cooling effect, finally realizes improving the effect of the plastic strip extrusion in-process refrigerated stability and the continuity of production.
Optionally, the heat exchange device comprises a heat exchanger, the heat exchanger comprises a heat flow section, the first water pipe and the second water pipe are both communicated with the heat flow section, and the first water pipe is communicated with the heat flow section through a water pump.
Through adopting above-mentioned technical scheme, utilize the water pump to realize the function of drawing water of first water pipe for the velocity of flow of cooling cycle rivers is controllable, and then has improved the stability of cooling heat transfer and has improved the continuity of plastic pellet production.
Optionally, the heat exchanger further comprises a cold flow section, the cold flow section is communicated with a cooling tower, and the cold flow section is communicated with the cooling tower through a water pump.
By adopting the technical scheme, the hot flow section and the water cooling tank form a water flow loop, the cold flow section and the cooling tower form another water flow loop, and the two water flow loops realize heat exchange through heat conduction in the heat exchanger, so that the temperature of cooling water in the hot flow section is reduced, and the temperature of cooling water in the cold flow section is increased; simultaneously, cooling water in the cold flow section is cooled by the cooling tower with higher cooling efficiency, so that the rapid cooling is realized, the efficient heat exchange is conveniently carried out on the cooling water in the hot flow section, and the stability of cooling and heat exchange is improved.
Optionally, the first water pipe is arranged at the feed end of the water-cooling tank, and the second water pipe is arranged at the discharge end of the water-cooling tank.
Through adopting above-mentioned technical scheme, the temperature of water-cooling tank feed end is higher, and the temperature of discharge end is lower, can know according to the heat-conduction equation, and is big more when the difference in temperature, and heat-conducting efficiency is high more, consequently draws water from the higher feed end of temperature, can improve heat-conducting efficiency to improve the cooling rate of cooling water.
Optionally, the first water pipe and the second water pipe are provided with filter screens.
Through adopting above-mentioned technical scheme, the setting up of filter screen can prevent to have impurity to get into in water-cooling tank water pump and the heat exchanger through first pipeline to reduce the risk that water pump or heat exchanger blockked up, improve the stability of system operation.
Optionally, the water cooling tank is communicated with a drain pipe for draining sewage.
Because the cooling water will inevitably suffer pollution after using a period of time, not only improve the heat capacity of cooling water, still influence product quality easily, and through adopting above-mentioned technical scheme, can regularly change the cooling water to improve cooling efficiency, also can improve product quality simultaneously.
Optionally, the drain pipe is provided with a drain valve.
By adopting the technical scheme, the drain valve is arranged to control the opening and closing of the drain pipe, and when the cooling water in the water cooling tank needs to be replaced, the drain valve is opened to enable the cooling water to flow out of the water cooling tank through the drain pipe; when normal water cooling work is carried out, the drain valve is closed, and cooling water can circularly flow through the first water pipe and the second water pipe at the moment.
Optionally, the water cooling tank is provided with a water outlet, the water outlet is communicated with the water drainage pipe, and the water outlet is provided with a filter.
Through adopting above-mentioned technical scheme, the filter that sets up can effectively intercept the impurity in the water-cooling tank, reduces the risk that the drain pipe blockked up.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water cooling tank is communicated with the heat exchange device through two pipelines, so that the relative constant of the water temperature in the water cooling tank is realized, the water cooling effect is ensured, and the effect of improving the cooling stability and the production continuity in the plastic strip extrusion process is finally realized;
2. the arranged water pump can improve the stability of water circulation and the stability of heat exchange, thereby improving the cooling stability and the production continuity in the plastic strip extrusion process;
3. the drain pipe is arranged, so that production personnel can regularly replace cooling water in the water cooling tank, the cleanness and the stable physical property of the cooling water are guaranteed, and the cooling stability and the product quality are improved.
Drawings
Fig. 1 is a schematic structural diagram of a circulating water cooling system for extrusion granulation production in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a circulating water cooling system in embodiment 1 of the present application.
Fig. 3 is a schematic structural diagram of another angle of the circulating water cooling system in embodiment 1 of the present application.
Fig. 4 is a sectional view of a water-cooled tank in example 2 of the present application.
Fig. 5 is a cross-sectional view of another angle of the water-cooling tank in embodiment 2 of the present application.
Description of reference numerals: 1. a water cooling tank; 11. a feeding end; 12. a discharge end; 13. a first water pipe; 14. a second water pipe; 15. a water outlet; 16. a drain pipe; 17. a drain valve; 18. a filter screen; 19. a groove; 191. a groove-shaped filter screen; 2. a heat exchanger; 21. a heat flow section; 211. a heat flow inlet; 212. a hot fluid outlet; 22. a cold flow section; 221. a cold flow inlet; 222. a cold flow outlet; 3. a cooling tower; 31. a water flow inlet; 32. a water flow outlet; 4. a first water pump; 5. and a second water pump.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a circulating water cooling system for extrusion granulation production.
Example 1
Referring to fig. 1, the circulating water cooling system includes a water cooling device and a heat exchange device, and the water cooling device is communicated with the heat exchange device.
Referring to fig. 1 and 2, the water cooling device comprises a water cooling tank 1, the water cooling tank 1 comprises a feeding end 11 and a discharging end 12, a first water pipe 13 is arranged at the feeding end 11, and a second water pipe 14 is arranged at the discharging end 12. The bottom of the water cooling tank 1 is provided with a water outlet 15 which is communicated with a water discharge pipe 16, the water outlet 15 is communicated with the water discharge pipe 16, the water discharge pipe 16 is positioned between the feeding end 11 and the discharging end 12, one end of the water discharge pipe 16 is communicated with the water cooling tank 1, the other end of the water discharge pipe is communicated with a sewer, furthermore, the water discharge pipe 16 is provided with a water discharge valve 17, and a producer can control the opening and closing state of the water discharge pipe 16 through the water discharge valve 17.
Referring to fig. 1, the heat exchange device comprises a heat exchanger 2, a cooling tower 3, a first water pump 4 and a second water pump 5, wherein the heat exchanger 2, a water cooling tank 1 and the first water pump 4 form a water flow loop, and the heat exchanger 2, the cooling tower 3 and the second water pump 5 form another water flow loop.
Referring to fig. 2, the heat exchanger 2 includes a hot section 21 and a cold section 22, specifically, the hot section 21 has a hot inlet 211 and a hot outlet 212, and the cold section 22 has a cold inlet 221 and a cold outlet 222. The first water pipe 13 can be communicated with the hot fluid inlet 211 and also can be communicated with the hot fluid outlet 212; correspondingly, the second water tube 14 is in communication with the hot fluid outlet 212, or with the hot fluid inlet 211. When the first water pipe 13 is communicated with the hot fluid inlet 211, that is, the cooling water in the water-cooling tank 1 flows out of the water-cooling tank 1 through the first water pipe 13, because the first water pipe 13 is arranged at the feeding end 11 with higher temperature, the temperature difference between the hot fluid section 21 and the cold fluid section 22 is larger, thereby improving the cooling efficiency of the hot fluid section 21; when the first water pipe 13 is communicated with the heat flow outlet 212, the cooled cooling water enters the water cooling tank 1 through the first water pipe 13, the feeding end 11 with higher temperature is rapidly cooled, and meanwhile, the consistency of the water temperatures at the two ends of the water cooling tank 1 is improved.
Referring to fig. 2, in particular, in the present embodiment, one end of the first water pipe 13 is communicated with the water cooling tank 1, the other end is communicated with the input end of the first water pump 4, the output end of the first water pump 4 is communicated with the heat flow inlet 211, and one end of the second water pipe 14 is communicated with the water cooling tank 1, and the other end is communicated with the heat flow outlet 212. The cooling water is pumped from the feed end 11 of the water cooling tank 1 under the action of the first water pump 4 and is pumped into the heat flow section 21 of the heat exchanger 2 through the first water pipe 13, after heat exchange is carried out on the cooling water in the heat flow section 21, the water temperature is reduced, the cooling water is pumped into the second water pipe 14 under the action of the first water pump 4, and finally the cooling water is pumped out from the water outlet of the second water pipe 14 and returns to the water cooling tank 1, so that circulation is completed.
Referring to fig. 2 and 3, the cooling tower 3 has a water inlet 31 and a water outlet 32, the water inlet 31 is communicated with the cold flow outlet 222, the water outlet 32 is communicated with an input end of the second water pump 5, and an output end of the second water pump 5 is communicated with the cold flow inlet 221. The cooling water is pumped into the cold flow section 22 of the heat exchanger 2 through the water flow outlet 32 under the action of the second water pump 5 to complete heat exchange with the hot flow section 21, and finally is pumped out of the cold flow section 22 under the action of the second water pump 5 and returns to the cooling tower 3 through the water flow inlet 31 again to complete circulation.
The implementation principle of the embodiment 1 is as follows: when normal water cooling work is carried out, production personnel firstly close the drain valve 17, then inject water into the water cooling tank 1, and simultaneously open the first water pump 4 to enable cooling water to start to circulate; when the cooling water in the water cooling tank 1 needs to be replaced, the operation of the first water pump 4 is stopped, and then the drain valve 17 is opened to discharge the cooling water out of the water cooling tank 1 through the drain pipe 16.
Example 2
Referring to fig. 4 and 5, the difference from embodiment 1 is that the first water pipe 13 and the second water pipe 14 are both fixedly connected with a filter screen 18, and the two filter screens 18 are respectively located at the communication position of the first water pipe 13 and the water cooling tank 1 and the communication position of the second water pipe 14 and the water cooling tank 1, so that the impurities in the water cooling tank 1 can be intercepted outside the first water pipe 13 and the second water pipe 14 by the filter screens 18. In addition, the water cooling tank 1 is opened with a groove 19 at the water discharge port 15, the water discharge port 15 is provided with a filter, the filter is positioned in the water discharge pipe 16 and is in lap fit with the water cooling tank 1 through the groove 19, and specifically, in the embodiment, the filter is a groove-shaped filter screen 191. When the cooling water is discharged, impurities contained in the cooling water can be collected by the groove-shaped filter screen 191, and after the cooling water is completely discharged, a manufacturer can take down the groove-shaped filter screen 191 from the water cooling tank 1 to clean the water cooling tank.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides an extrude granulation production with circulating water cooling system, includes water-cooling tank (1), its characterized in that: the water cooling tank (1) is communicated with a first water pipe (13) used for pumping water and a second water pipe (14) used for discharging water, the first water pipe (13) and the second water pipe (14) are respectively arranged at two ends of the water cooling tank (1), the first water pipe (13) and the second water pipe (14) are communicated through a heat exchange device, the water cooling tank (1) is communicated with a drain pipe (16) used for discharging sewage, the drain pipe (16) is provided with a drain valve (17), a water outlet (15) is formed in the water cooling tank (1), the water outlet (15) is communicated with the drain pipe (16), and a filter is arranged in the water outlet (15).
2. The circulating water cooling system of claim 1, wherein: the heat exchange device comprises a heat exchanger (2), the heat exchanger (2) comprises a heat flow section (21), the first water pipe (13) and the second water pipe (14) are communicated with the heat flow section (21), and the first water pipe (13) is communicated with the heat flow section (21) through a water pump.
3. The circulating water cooling system of claim 2, wherein: the heat exchanger (2) further comprises a cold flow section (22), the cold flow section (22) is communicated with a cooling tower (3), and the cold flow section (22) is communicated with the cooling tower (3) through a water pump.
4. The circulating water cooling system of claim 3, wherein: the first water pipe (13) is arranged at the feed end (11) of the water cooling tank (1), and the second water pipe (14) is arranged at the discharge end (12) of the water cooling tank (1).
5. The circulating water cooling system of claim 4, wherein: the first water pipe (13) and the second water pipe (14) are both provided with filter screens (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023060654.3U CN214214369U (en) | 2020-12-16 | 2020-12-16 | Circulating water cooling system for extrusion granulation production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023060654.3U CN214214369U (en) | 2020-12-16 | 2020-12-16 | Circulating water cooling system for extrusion granulation production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214214369U true CN214214369U (en) | 2021-09-17 |
Family
ID=77703419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023060654.3U Expired - Fee Related CN214214369U (en) | 2020-12-16 | 2020-12-16 | Circulating water cooling system for extrusion granulation production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214214369U (en) |
-
2020
- 2020-12-16 CN CN202023060654.3U patent/CN214214369U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |