CN210590454U - Ventilation system of casting machine - Google Patents
Ventilation system of casting machine Download PDFInfo
- Publication number
- CN210590454U CN210590454U CN201921259755.8U CN201921259755U CN210590454U CN 210590454 U CN210590454 U CN 210590454U CN 201921259755 U CN201921259755 U CN 201921259755U CN 210590454 U CN210590454 U CN 210590454U
- Authority
- CN
- China
- Prior art keywords
- air
- pipe
- heat exchanger
- air outlet
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005266 casting Methods 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 238000001035 drying Methods 0.000 claims description 38
- 238000000926 separation method Methods 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 6
- 239000004952 Polyamide Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a casting machine ventilation system's technical field. Casting machine ventilation system, including dry roller case, cooling roller case, low-temperature cooling circulating pump and engine case, still include the air-supply line, go out the tuber pipe, the air-blower that links to each other with engine case air intake through the air-supply line, the heat exchanger that links to each other with dry roller case air intake through the air-supply line, through the aqueous vapor separator that goes out tuber pipe and heat exchanger inner tube air outlet and link to each other, cooling circulating pump fixedly connected with cooling tube and No. two cooling tubes, the air-supply line winding between air-blower and the engine case is in No. two cooling tube peripheries, the play tuber pipe winding between heat exchanger and the aqueous vapor separator is in No. two cooling tube peripheries, at engine case air outlet, heat exchanger air outlet and dry roller case air outlet are fixedly connected with fan No. one respectively. The utility model discloses have make full use of thermal cycle, reduce the technological effect of energy consumption.
Description
Technical Field
The utility model belongs to the technical field of ventilation system's technique and specifically relates to a casting machine ventilation system is related to.
Background
The cast polyamide film is obtained by casting a polyamide acid solution into a film, stretching the film, and then imidizing the film at a high temperature. The film is yellow and transparent, has the relative density of 1.39-1.45, has outstanding high temperature resistance, radiation resistance, chemical corrosion resistance and electrical insulation performance, and can be used in air at 250-280 ℃ for a long time. Thermoset polyimides have excellent thermal stability, chemical resistance and mechanical properties, and are typically orange-yellow in color. The cast polyamide film needs to be dried by using high temperature of 180-230 ℃ in the production process.
The cast film needs to cool the cooling roller box and the engine box in the production process, and simultaneously needs to dry the cast film in the drying roller box at high temperature.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a casting machine ventilation system has make full use of thermal cycle, reduces the technological effect of energy consumption.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
casting machine ventilation system, including dry roller case, cooling roller case, low temperature cooling circulating pump and engine case, its characterized in that: the drying roller box air inlet is connected with the air outlet of the outer pipe of the heat exchanger, the air outlet of the drying roller box is connected with the air inlet of the inner pipe of the heat exchanger, and the air outlet of the inner pipe of the heat exchanger is connected with the air outlet of the inner pipe of the heat exchanger through the air outlet pipe; a first cooling pipe and a second cooling pipe are fixedly connected with the low-temperature cooling circulating pump, an air inlet pipe between the air blower and the engine case is wound on the periphery of the second cooling pipe, an air outlet pipe between the heat exchanger and the water-gas separation device is wound on the periphery of the second cooling pipe, and a first fan, a second fan and a third fan are fixedly connected with an air outlet of the engine case, an air outlet of the heat exchanger and an air outlet of the drying roller box respectively.
Through adopting above-mentioned technical scheme, both make full use of the engine heat dissipation and tentatively heaied up the air, utilized the damp and hot wind of dry silica gel roller box air outlet output again to carry out the secondary intensification to the air, realized the make full use of to the high-temperature gas heat. In prior art, the low-temperature cooling circulating pump only cools off the silica gel roller, does not obtain make full use of, and the device divides into two with the outlet pipe of low-temperature cooling circulating pump, and one cools down the silica gel roller, and another cools down the air that the air-blower carried and the damp and hot wind that comes out from the heat exchanger, not only can cool down the equipment in the engine box, has still realized the moisture separation of damp and hot wind.
The utility model discloses further set up to: and a drying device is connected on the air inlet pipe between the air blower and the engine case.
By adopting the technical scheme, the drying device can dehumidify air, and can better protect equipment from being corroded in a humid area.
The utility model discloses further set up to: and a heater is connected between the heat exchanger and the drying roller box.
By adopting the technical scheme, although the temperature of the dry air is very high after the dry air is heated twice by the engine case and the heat exchanger, in order to avoid reaching the temperature required by drying the casting film, a heater is also required to be arranged so as to better achieve the drying effect.
The utility model discloses further set up to: and the heater connected between the heat exchanger and the drying roller box is a gradient heater.
By adopting the technical scheme, compared with the direct heating, the gradient heating has the advantage of low energy consumption for the gas heated to the same temperature.
The utility model discloses further set up to: and the air inlet of the drying roller box is an air inlet of an air collecting nozzle.
Through adopting above-mentioned technical scheme, the setting up of collection tuyere can be with blowing on the curtain coating membrane of hot-blast more concentrated, and the curtain coating membrane can receive higher temperature.
The utility model discloses further set up to: and the air outlet of the water-gas separation device is merged into the air outlet of the air blower.
Through adopting above-mentioned technical scheme, the cooling back of damp and hot air process No. two cooling tubes, the steam condensation becomes liquid, can separate air and liquid through this aqueous vapor separator, can also let in air-blower air outlet with gas, cyclic utilization.
The utility model discloses further set up to: a cooling tube and No. two cooling tube periphery parcel have heat preservation device, twine the air-supply line and the play tuber pipe in No. two cooling tube peripheries in heat preservation device.
Through adopting above-mentioned technical scheme, can avoid the air conditioning of low-temperature cooling circulating pump extravagant better, improve the utilization ratio of air conditioning.
To sum up, the utility model discloses a beneficial technological effect does:
the device both make full use of the engine heat dissipation and preliminarily heaied up the air, utilized the damp and hot wind of drying roller case air outlet output again to carry out the secondary intensification to the air, realized the make full use of to the high temperature gas heat. In prior art, the low-temperature cooling circulating pump only cools off the silica gel roller, does not obtain make full use of, and the device divides into two with the outlet pipe of low-temperature cooling circulating pump, and one cools down the silica gel roller, and another cools down the air that the air-blower carried and the damp and hot wind that comes out from the heat exchanger, not only can cool down the equipment in the engine box, has still realized the moisture separation of damp and hot wind.
The drying device is arranged at the air inlet pipe orifice of the device entering the engine case, so that the device plays a great role in maintaining equipment in a humid area, reduces moisture in the air, prevents the equipment from being corroded, and better protects the equipment.
Drawings
Fig. 1 is a schematic structural view of a ventilation system of a casting machine of the present invention.
Fig. 2 is a schematic structural view of the air inlet of the central air nozzle of the present invention.
In the figure, 1, a drying roller box; 2. cooling the roller box; 3. a low-temperature cooling circulating pump; 4. a blower; 5. an engine case; 6. a heat exchanger; 7. a heater; 8. a silica gel roller; 9. a first cooling tube; 10. a second cooling tube; 11. an air inlet pipe; 12. a drying device; 13. a first fan; 14. a second fan; 15. an air inlet of the air collecting nozzle; 16. a third fan; 17. an air outlet pipe; 18. a water-gas separation device; 19. and a water outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the drying roller box comprises a drying roller box 1, a cooling roller box 2, a low-temperature cooling circulating pump 3, an engine box 5, an air inlet pipe 11 and an air outlet pipe 17, wherein an air blower 4 is connected with an air inlet of the engine box 5 through the air inlet pipe 11, a drying device 12 is connected on the air inlet pipe 11 between the engine box 5 and the air blower 4, a heat exchanger 6 is connected with an air outlet of the engine box 5 through the air inlet pipe 11, the heat exchanger 6 is divided into an inner pipe and an outer pipe, both the inner pipe and the outer pipe are provided with an air inlet and an air outlet, the air outlet of the outer pipe of the heat exchanger 6 is connected with a heater 7 through the air inlet pipe 11, the heater 7 is selected from a gradient heater, the air outlet of the heater 7 is connected with the air inlet of the drying roller box 1 through the air inlet pipe 11, an air inlet of an outer pipe of the heat exchanger 6 is connected with the engine case 5 through an air inlet pipe 11, and an air outlet of an inner pipe of the heat exchanger 6 is connected with a water-gas separation device 18 through an air outlet pipe 17. The air outlet of the engine case 5, the air outlet of the heat exchanger 6 and the air outlet of the drying roller case 1 are respectively and fixedly connected with a first fan 13, a second fan 14 and a third fan 16.
The low-temperature cooling circulating pump 3 is fixedly connected with a first cooling pipe 9 and a second cooling pipe 10, a plurality of silica gel rollers 8 are connected in the drying roller box 1 and the cooling roller box 2, the silica gel rollers 8 in the cooling roller box 2 are of a hollow structure, the first cooling pipe 9 of the low-temperature cooling circulating pump 3 is introduced into the silica gel rollers 8 in the cooling roller box 2 and flows back to the low-temperature cooling circulating pump 3 from the other end of the silica gel rollers 8, and cooling of the silica gel rollers 8 is realized; an air inlet pipe 11 between the engine case 5 and the air blower 4 is wound on the periphery of a second cooling pipe 10, the air is cooled by the low temperature of the low-temperature cooling circulating pump 3, an air outlet pipe 17 between an air outlet of an inner pipe of the heat exchanger 6 and the water-gas separation device 18 is wound on the periphery of the second cooling pipe 10, heat preservation devices are wrapped on the peripheries of the first cooling pipe 9 and the second cooling pipe 10, and the air inlet pipe 11 and the air outlet pipe 17 wound on the periphery of the second cooling pipe 10 are in the heat preservation devices.
The implementation principle of the embodiment is as follows: the temperature required for drying the film in the drying roller box 1 is about 180-230 ℃, and the temperature of the hot and humid air from the drying roller box 1 is still high although carrying water vapor. In order to make good use of the waste heat, a heat exchanger 6 is connected to the air outlet of the drying roller box 1, and the heat exchanger 6 is used for heating the air in the air inlet pipe 11. Moreover, the engine generates heat in the running process, in order to maintain the normal running of the motor, the engine case 5 needs to be cooled, and the temperature of the gas after cooling the engine case 5 is much higher than that of the air at room temperature, so that the air of the air inlet pipe 11 can be preheated primarily by using the engine case 5.
When the ventilation system is used, firstly, the low-temperature cooling circulating pump 3 is started to cool the silica gel roller 8 in the cooling roller box 2, meanwhile, the air blower 4 is started to supply air to the device, the air is firstly introduced into the drying device 12 for drying after being cooled by the low-temperature cooling circulating pump 3, the dried air is introduced into the engine box 5, the dried air is primarily heated while being cooled by the engine box 5, the dried air after being primarily heated is introduced into the heat exchanger 6 for secondary heating, the dried air after being secondarily heated is introduced into the gradient heater 7, the temperature reaches 180-230 ℃ after being subjected to gradient heating, then the dried air is introduced into the drying roller box 1 through the air inlet 15 of the air collecting nozzle, and the cast film is dried.
After drying, the damp and hot air is conveyed to the heat exchanger 6 through the third fan 16 to carry out secondary heating on the dry air, the damp and hot air coming out of the heat exchanger 6 is primarily cooled, then the air outlet pipe 17 is wound on the periphery of the second cooling pipe 10 of the low-temperature cooling circulating pump 3, the damp and hot air is cooled again by the low-temperature cooling circulating pump 3, the damp and hot air after being cooled again is introduced into the water-gas separation device 18 to carry out water-gas separation, the air coming out of the water-gas separation device 18 is merged into the air inlet pipe 11 of the air blower 4, and liquid can be discharged from the water outlet 19.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a casting machine ventilation system, includes dry roller case (1), cooling roller case (2), low temperature cooling circulating pump (3) and engine case (5), its characterized in that: the drying roller box comprises an engine case (5), an air inlet pipe (11), an air outlet pipe (17), an air blower (4) connected with the air inlet of the engine case (5) through the air inlet pipe (11), a heat exchanger (6) connected with the air inlet of the drying roller box (1) through the air inlet pipe (11), the heat exchanger (6) divided into an inner pipe and an outer pipe, the inner pipe and the outer pipe are both provided with an air inlet and an air outlet, the air inlet of the drying roller box (1) is connected with the air outlet of the outer pipe of the heat exchanger (6), the air outlet of the drying roller box (1) is connected with the air inlet of the inner pipe of the heat exchanger (6), and a water; a first cooling pipe (9) and a second cooling pipe (10) are fixedly connected with a low-temperature cooling circulating pump (3), an air inlet pipe (11) between an air blower (4) and an engine case (5) is wound on the periphery of the second cooling pipe (10), an air outlet pipe (17) between a heat exchanger (6) and a water-gas separation device (18) is wound on the periphery of the second cooling pipe (10), and a first fan (13), a second fan (14) and a third fan (16) are respectively and fixedly connected with an air outlet of the engine case (5), an air outlet of the heat exchanger (6) and an air outlet of a drying roller case (1).
2. The casting machine ventilation system of claim 1, wherein: and a drying device (12) is connected to the air inlet pipe (11) between the air blower (4) and the engine case (5).
3. The casting machine ventilation system of claim 1, wherein: and a heater (7) is connected between the heat exchanger (6) and the drying roller box (1).
4. The casting machine ventilation system of claim 3, wherein: and a heater (7) connected between the heat exchanger (6) and the drying roller box (1) is a gradient heater (7).
5. The casting machine ventilation system of claim 1, wherein: and an air inlet of the drying roller box (1) is an air collecting nozzle air inlet (15).
6. The casting machine ventilation system of claim 1, wherein: and an air outlet of the water-gas separation device (18) is merged into an air outlet of the blower (4).
7. The casting machine ventilation system of claim 1, wherein: the periphery of the first cooling pipe (9) and the second cooling pipe (10) is wrapped with a heat preservation device, and an air inlet pipe (11) and an air outlet pipe (17) wound on the periphery of the second cooling pipe (10) are arranged in the heat preservation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921259755.8U CN210590454U (en) | 2019-08-05 | 2019-08-05 | Ventilation system of casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921259755.8U CN210590454U (en) | 2019-08-05 | 2019-08-05 | Ventilation system of casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210590454U true CN210590454U (en) | 2020-05-22 |
Family
ID=70713840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921259755.8U Expired - Fee Related CN210590454U (en) | 2019-08-05 | 2019-08-05 | Ventilation system of casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210590454U (en) |
-
2019
- 2019-08-05 CN CN201921259755.8U patent/CN210590454U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |