CN203994319U - For the hot blast current equalizer of film stretching production line - Google Patents
For the hot blast current equalizer of film stretching production line Download PDFInfo
- Publication number
- CN203994319U CN203994319U CN201420331190.0U CN201420331190U CN203994319U CN 203994319 U CN203994319 U CN 203994319U CN 201420331190 U CN201420331190 U CN 201420331190U CN 203994319 U CN203994319 U CN 203994319U
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- Prior art keywords
- air
- plenum chamber
- film
- homogenizing plate
- air inlet
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Abstract
The hot blast current equalizer of the disclosed a kind of film stretching production line of the utility model, to comprising the plenum chamber that has return air duct and bar shaped to portal in air inlet and plenum chamber cavity, air intake homogenizing plate is set after air inlet, at least two staggered inside homogenizing plates of settling are set between return air duct.The air intake homogenizing plate that install at air inlet place, make the hot-air flow flowing into from air inlet become uniform and stable, in plenum chamber inside cavity, inner homogenizing plate is installed alternately, can make the air-flow of plenum chamber inside cavity become stable and uniform more, do not produce eddy current, the hot-air flow of outflow carries out uniform and stable being dried to film, and the quality of dry film is improved, improve energy utilization rate, energy-conserving and environment-protective.
Description
Technical field
The utility model relates to a kind of film stretching machinery device, relates in particular to a kind of hot blast current equalizer for film stretching production line.
Background technology
With hot-air flow to stretch film be dried, under the condition of being heated at film, thereby cause its thermal contraction different because film planarization is poor, inside has produced heat and mechanical stress, and concentrated stress easily causes the early damage of film, directly affect the service life of film.So in the time designing, consider emphatically wind speed and wind-warm syndrome uniformity as far as possible on the arbitrary cross section in device oven dry air channel, if there is inhomogeneous phenomenon, will make dry film solvent inhomogeneous, the place that solvent is large in follow-up stretching so easily stretches, and the little place of content is just difficult for stretching, cause uneven film thickness even.For this reason, hot-air system is extremely important for film drying.
In prior art film drawer hot blast current equalizer, hot blast enters from large pipeline, flows out from small pipeline air outlet, and the hot-air flow of outflow is dried processing to film.But due to dryer and dry the reason such as structural shape, geometry and size of casing, resistance suffered when hot air flow is crossed each different parts is different, cause wind speed change and inhomogeneous, can not form uniform and stable air-flow, be easy to form eddy current, even there is the place that some wind speed is very little or some specific position that does not at all have hot blast to arrive, dry mass on film has produced impact, make film local desiccation very fast, can not be dried uniformly, the film quality of producing is not good, has wasted electric energy.
Prior art patent CN201748563 has proposed a kind of combined air processing group with homogenizing plate, homogenizing plate is arranged on air inlet place, the wind entering is distributed to above miscellaneous part uniformly, but is only mounted in air inlet place, wind also may form local eddy currents after entering cavity.Patent CN202485534 proposed a kind of for power system the Vertical Oil cooler with homogenizing plate, homogenizing plate is installed at upper envelope place at oil cooler, make distribution of air flow better, but at upper envelope place, a homogenizing plate being only installed not can solve steady air current problem.Patent CN201371012 has proposed a kind of current equalizer for air cleaning filter, at the outlet air end of diffusing frame, homogenizing plate is installed, and can make air intake become evenly, but the air-flow of diffusing frame inside still can produce vortex phenomenon.Patent CN202582112 has proposed a kind of equal wind apparatus of baking room, and patent CN201371012 exists same problem, can form eddy current diffusing frame is inner.
By above content to find out, had patent Introduction air outlet place install homogenizing plate, but or can form eddy current in inside cavity, affected airflow stability and uniformity.
Utility model content
The utility model is that the shortcoming that overcomes prior art has proposed a kind of hot blast current equalizer for film stretching production line, makes air-flow more stable and even, and film is carried out to even heated-air drying, improves the quality that film is dried.
The technical scheme that the utility model adopted is for achieving the above object: to comprising the plenum chamber of the return air duct in air inlet and plenum chamber, air intake homogenizing plate is set after air inlet, at least two staggered inside homogenizing plates of settling are set between return air duct.
Further, in order to increase current-sharing effect, the hole of the each homogenizing plate of the utility model is adjacent two rows of mutually staggered and arranges.
Further, in the utility model, the length sum of two inner homogenizing plates is not less than the length of plenum chamber inner chamber.Like this, in the time that two inner homogenizing plates are settled between the return air duct of plenum chamber inner chamber, can guarantee can not have straight-through passage between these two inner homogenizing plates, so all air intakes just must be all by inner homogenizing plate, thereby can avoid the generation of vortex phenomenon.
Advantage of the present utility model and effect are: air intake homogenizing plate is installed at air inlet place, make the hot-air flow flowing into from air inlet become uniform and stable, and in plenum chamber inside cavity, inner homogenizing plate is installed alternately, can make the air-flow of plenum chamber inside cavity become stable and uniform more, do not produce eddy current, the hot-air flow of outflow carries out uniform and stable being dried to film, and the quality of dry film is improved, improve energy utilization rate, energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is the film stretching production line plenum chamber device schematic diagram of prior art.
Fig. 2 is the front section view of Fig. 1.
Fig. 3 is the side sectional view of Fig. 1.
Fig. 4 is the film stretching production line plenum chamber device cutaway view that hot blast homogenizing plate is housed of the present utility model.
1. air inlets in figure, 2. air outlet, 3. air-out aperture, 4. return air duct, 6. air intake homogenizing plate, 7. inner homogenizing plate, 8. inner homogenizing plate.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
The plenum chamber apparatus structure of existing film stretching production line is as Fig. 1, and shown in Fig. 2 and Fig. 3, high-temperature hot-air air-flow enters plenum chamber inside cavity from air inlet 1, and the cavity of flowing through flows out from air-out aperture 3.Above 3, be film to be dried, distinguished and admirablely carry out heated-air drying to film, be back to afterwards return air duct 4, then flow out from air outlet 2.But be easy to form eddy current in plenum chamber inside cavity, had a strong impact on stability and the uniformity of hot-air flow, the result directly causing is not good to the quality of film drying.
See Fig. 4, the utility model is at the inner air intake homogenizing plate 6 of installing of air inlet 1, make the hot-air flow flowing into become stable and even, between plenum chamber inside cavity return air duct, be staggered installation of inner homogenizing plate 7 and 8 simultaneously, the inside homogenizing plate device being staggered installation of makes inside configuration can not form eddy current, and then the hot-air flow that makes to enter plenum chamber inside cavity become more uniform and stable, thereby make to become uniform and stable from air-out aperture 3 hot-air flow out.Can make it carry out the dry of stable and uniform to film, improve the quality of film drying, improve the utilization rate of heat energy, energy-conserving and environment-protective.
Claims (3)
1. a hot blast current equalizer for film stretching production line, comprises the return air duct in air inlet and plenum chamber, it is characterized in that: air intake homogenizing plate is set after air inlet, at least two staggered inside homogenizing plates of settling are set between return air duct.
2. hot blast current equalizer according to claim 1, is characterized in that: the hole of each homogenizing plate is adjacent two rows of mutually staggered and arranges.
3. hot blast current equalizer according to claim 1, is characterized in that: the length sum of two inner homogenizing plates is not less than the length of plenum chamber inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420331190.0U CN203994319U (en) | 2014-06-20 | 2014-06-20 | For the hot blast current equalizer of film stretching production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420331190.0U CN203994319U (en) | 2014-06-20 | 2014-06-20 | For the hot blast current equalizer of film stretching production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203994319U true CN203994319U (en) | 2014-12-10 |
Family
ID=52034382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420331190.0U Expired - Fee Related CN203994319U (en) | 2014-06-20 | 2014-06-20 | For the hot blast current equalizer of film stretching production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203994319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732889A (en) * | 2019-03-18 | 2019-05-10 | 合肥工业大学 | A kind of device for homogenous heating of biaxial stretching film transverse stretching machine |
| CN110202727A (en) * | 2019-04-23 | 2019-09-06 | 桂林电器科学研究院有限公司 | Far infrared heater |
-
2014
- 2014-06-20 CN CN201420331190.0U patent/CN203994319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732889A (en) * | 2019-03-18 | 2019-05-10 | 合肥工业大学 | A kind of device for homogenous heating of biaxial stretching film transverse stretching machine |
| CN109732889B (en) * | 2019-03-18 | 2020-10-20 | 合肥工业大学 | Uniform heating device of biaxial stretching film transverse drawing machine |
| CN110202727A (en) * | 2019-04-23 | 2019-09-06 | 桂林电器科学研究院有限公司 | Far infrared heater |
| CN110202727B (en) * | 2019-04-23 | 2024-06-04 | 桂林电器科学研究院有限公司 | Far infrared heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141210 Termination date: 20160620 |