CN210308943U - Die head waste heat utilization device for film production - Google Patents
Die head waste heat utilization device for film production Download PDFInfo
- Publication number
- CN210308943U CN210308943U CN201921038805.XU CN201921038805U CN210308943U CN 210308943 U CN210308943 U CN 210308943U CN 201921038805 U CN201921038805 U CN 201921038805U CN 210308943 U CN210308943 U CN 210308943U
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- CN
- China
- Prior art keywords
- die head
- fan
- shell
- wall
- air
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000002918 waste heat Substances 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 claims 5
- 239000010409 thin film Substances 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a die head waste heat utilization device for film production, which is characterized by comprising a shell (2), an air outlet (3), an air inlet (4), a fan air inlet pipe (5), a fan air outlet pipe (6) and a fan (7); the shell (2) is arranged around the die head (1), and a gap is reserved between the inner wall of the shell (2) and the outer wall of the die head (1); air inlets (4) are uniformly distributed at the bottom end of the side wall of the shell (2); and air outlets (3) are uniformly distributed at the top end of the side wall of the shell (2). The utility model has the advantages that: the utility model uses the excess heat of the die head in the film production process to preheat the internal air entering the film bubble, thereby avoiding the waste of energy; the air inlet of the air inlet is filtered, so that the quality of the product is not influenced; the wind entering the shell fully exchanges heat with the outer wall of the die head through the wind channel formed by the spiral sheets, and the utilization rate of waste heat is high.
Description
Technical Field
The utility model relates to a film production field especially relates to a die head waste heat utilization equipment is used in film production.
Background
In the process of producing the film, the raw material heated to a molten state is extruded through a die head and blown to form the film; therefore, the temperature of the die head is higher in the production process, and certain heat is provided; however, the existing film production equipment does not utilize the heat, which causes the waste of energy.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model discloses a die head waste heat utilization device for film production, which is characterized by comprising a shell, an air outlet, an air inlet, a fan air inlet pipe, a fan air outlet pipe and a fan; the shell is arranged around the die head, and a gap is reserved between the inner wall of the shell and the outer wall of the die head; air inlets are uniformly distributed at the bottom end of the side wall of the shell; air outlets are uniformly distributed at the top end of the side wall of the shell; the air inlet end of the fan is communicated with the air outlet through the fan air inlet pipe; the air-out end of fan passes through fan air-out pipe with the bottom intercommunication of die head is used for passing through the inside of the film bubble that the die head formed provides certain wind pressure to play the effect of blown film and cooling film bubble inner wall.
Preferably, the fan is a variable frequency speed regulation fan, so that the wind speed and the wind pressure can be controlled more accurately.
Preferably, the device also comprises a spiral sheet; the inner side of the spiral sheet is fixed on the outer wall of the die head; the outer side of the spiral sheet is abutted against the inner wall of the shell; the spiral piece is arranged, so that the path of wind passing through the outer wall of the die head is longer, and the heat exchange is more sufficient.
Preferably, the inlet end of the air inlet is provided with a filter screen for filtering particulate matters such as dust.
Preferably, the number of the air outlets is four; the number of the air inlets is four.
Preferably, the air inlet pipe of the fan and the air outlet pipe of the fan are corrugated pipes.
The utility model has the advantages that: the utility model uses the excess heat of the die head in the film production process to preheat the internal air entering the film bubble, thereby avoiding the waste of energy; the air inlet of the air inlet is filtered, so that the quality of the product is not influenced; the wind entering the shell fully exchanges heat with the outer wall of the die head through the wind channel formed by the spiral sheets, and the utilization rate of waste heat is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a cross-sectional view taken along a-a in fig. 2.
Fig. 5 is a schematic view of the structure of the spiral piece of the present invention.
The parts in the drawings are numbered as follows: the device comprises a die head 1, a shell 2, an air outlet 3, an air inlet 4, a fan air inlet pipe 5, a fan air outlet pipe 6, a fan 7, a spiral sheet 8, a film bubble 9 and a filter screen 10.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making the scope of the invention more clearly defined.
Example 1
Referring to the attached drawings 1-5, the die head waste heat utilization device for film production is characterized by comprising a shell 2, an air outlet 3, an air inlet 4, a fan air inlet pipe 5, a fan air outlet pipe 6 and a fan 7; the shell 2 is arranged around the die head 1, and a gap is reserved between the inner wall of the shell 2 and the outer wall of the die head 1; air inlets 4 are uniformly distributed at the bottom end of the side wall of the shell 2; air outlets 3 are uniformly distributed at the top end of the side wall of the shell 2; the air inlet end of the fan 7 is communicated with the air outlet 3 through the fan air inlet pipe 5; the air-out end of fan 7 passes through fan air-out pipe 6 with the bottom intercommunication of die head 1 is used for passing through the inside of the bubble 9 that die head 1 formed provides certain wind pressure to play the effect of blown film and cooling bubble 9 inner wall.
The fan 7 is a variable-frequency speed-regulating fan so as to control the wind speed and the wind pressure more accurately.
Also comprises a spiral sheet 8; the inner side of the spiral sheet 8 is fixed on the outer wall of the die head 1; the outer side of the spiral piece 8 is tightly close to the inner wall of the shell 2; the spiral piece 8 is arranged, so that the path of wind passing through the outer wall of the die head 1 is longer, and the heat exchange is more sufficient.
The inlet end of the air inlet 4 is provided with a filter screen 10 for filtering particles such as dust.
The number of the air outlets 3 is four; the number of the air inlets 4 is four.
The air inlet pipe 5 of the fan and the air outlet pipe 6 of the fan are corrugated pipes.
When the utility model works, the inlet air sequentially passes through the air inlet 4, the space between the inner wall of the shell 2 and the outer wall of the die head 1, the air outlet 3 and the air inlet pipe 5 of the fan to enter the fan 7, and then is conveyed to the bottom end of the die head 1 through the air outlet pipe 6 of the fan to provide certain air pressure for the inside of the film bubble 9 formed by the die head 1, so as to play the roles of blowing the film and cooling the inner wall of the film bubble 9; when the air enters the gap between the inner wall of the shell 2 and the outer wall of the die head 1, the waste heat of the die head 1 is absorbed, the temperature rises, the temperature difference between the air entering the inner part of the film bubble 9 and the inner wall of the film bubble 9 is reduced, and the forming and cooling of the film bubble are facilitated.
The above, only be the preferred embodiment of the present invention, not for limiting the present invention, all the technical matters of the present invention should be included in any slight modification, equivalent replacement and improvement made to the above embodiments by the technical matters of the present invention within the scope of the present invention.
Claims (6)
1. A die head waste heat utilization device for film production is characterized by comprising a shell (2), an air outlet (3), an air inlet (4), a fan air inlet pipe (5), a fan air outlet pipe (6) and a fan (7); the shell (2) is arranged around the die head (1), and a gap is reserved between the inner wall of the shell (2) and the outer wall of the die head (1); air inlets (4) are uniformly distributed at the bottom end of the side wall of the shell (2); air outlets (3) are uniformly distributed at the top end of the side wall of the shell (2); the air inlet end of the fan (7) is communicated with the air outlet (3) through the fan air inlet pipe (5); the air-out end of fan (7) passes through fan air-out pipe (6) with the bottom intercommunication of die head (1) is used for passing through the inside of the bubble (9) that die head (1) formed provides certain wind pressure to play the effect of blown film and cooling bubble (9) inner wall.
2. The device for utilizing the die head waste heat for producing the thin film as claimed in claim 1, wherein the fan (7) is a variable frequency speed regulating fan so as to control the wind speed and the wind pressure more accurately.
3. The device for utilizing the waste heat of the die head for producing the thin film according to claim 1, further comprising a spiral plate (8); the inner side of the spiral sheet (8) is fixed on the outer wall of the die head (1); the outer side of the spiral sheet (8) is abutted against the inner wall of the shell (2); the arrangement of the spiral sheet (8) enables the path of wind passing through the outer wall of the die head (1) to be longer and the heat exchange to be more sufficient.
4. The die head waste heat utilization device for film production is characterized in that the inlet end of the air inlet (4) is provided with a filter screen (10) for filtering out particulate matters.
5. The die head waste heat utilization device for film production according to claim 1, wherein the number of the air outlets (3) is four; the number of the air inlets (4) is four.
6. The die head waste heat utilization device for film production according to claim 1, wherein the fan air inlet pipe (5) and the fan air outlet pipe (6) are corrugated pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038805.XU CN210308943U (en) | 2019-07-05 | 2019-07-05 | Die head waste heat utilization device for film production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038805.XU CN210308943U (en) | 2019-07-05 | 2019-07-05 | Die head waste heat utilization device for film production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210308943U true CN210308943U (en) | 2020-04-14 |
Family
ID=70148881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921038805.XU Active CN210308943U (en) | 2019-07-05 | 2019-07-05 | Die head waste heat utilization device for film production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210308943U (en) |
-
2019
- 2019-07-05 CN CN201921038805.XU patent/CN210308943U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 276000 Jinshan Industrial Park, north of the middle section of Yinshan Road, Luoxi Street, High tech Zone, Linyi City, Shandong Province Patentee after: Shandong Jiahe Packaging Co.,Ltd. Address before: 276000 Jinshan Industrial Park, north of the middle section of Yinshan Road, Luoxi Street, High tech Zone, Linyi City, Shandong Province Patentee before: Shandong Jiahe protective film Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |