CN207415974U - A kind of horizontal drawing wind pressure for biaxially oriented polyester film production line increases device - Google Patents
A kind of horizontal drawing wind pressure for biaxially oriented polyester film production line increases device Download PDFInfo
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- CN207415974U CN207415974U CN201721272051.5U CN201721272051U CN207415974U CN 207415974 U CN207415974 U CN 207415974U CN 201721272051 U CN201721272051 U CN 201721272051U CN 207415974 U CN207415974 U CN 207415974U
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- air inlet
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- wind
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Abstract
The utility model is related to a kind of horizontal drawing wind pressure for biaxially oriented polyester film production line to increase device, including horizontal drawing bellows, the horizontal drawing bellows are the U-shaped structure being made of air inlet duct, crosswind road and exhaust passage, the one end open of the air inlet duct, the other end of air inlet duct is connected with the one end in crosswind road, the other end in the crosswind road is connected with one end of exhaust passage, the other end closing of the exhaust passage；Filter screen and heat exchanger are laid with successively along air inlet direction in the air inlet duct；There is a discharge air port in outside is uniformly distributed on the exhaust passage；Wind-supplying mouth is offered in the middle part of the crosswind road, is connected at the wind-supplying mouth and mends air passage, is equipped with adjusting valve in the benefit air passage, the end for mending air passage is equipped with benefit wind turbine；The problems such as the utility model can need to adjust the air quantity of horizontal drawing cooling section according to production, and the percent thermal shrinkage caused by when cooling air quantity is insufficient that fundamentally solves film is high, horizontal pull-out mouth poor flatness and film swing side, the effective quality for improving film.
Description
Technical field
It is particularly a kind of for biaxially oriented polyester film production line the utility model is related to membrane production equipment field
Horizontal drawing wind pressure increases device.
Background technology
Currently in biaxially oriented polyester film production line, dust caused by horizontal pull system is the difficulty for influencing membrane quality
Point, the reason for why generating dust are that biaxially oriented polyester film stretches, horizontal in shaping system, low molecular weight volatile, shape
Into volatile organic matter (VOC), after these VOC reach a certain concentration, sublimating to form white dust through cooling section, be attached to and set
On standby and film, stabilization of equipment performance and product quality are seriously affected.Wherein, dust is easily accumulated in the cooling section of horizontal drawing bellows and increased
Add, the heat exchanger of cooling section can be blocked after long-term production, reduce the air output of cooling section, from causing film cooling insufficient, go out
Existing thermal stability is poor, poor flatness and edge swing the stable qualities such as side, seriously constrains membrane quality.
Utility model content
The purpose of this utility model is to provide a kind of horizontal drawing wind pressure increases for biaxially oriented polyester film production line
Device, ensure safety cleaning while, reduce cleaning difficulty, improve cleaning efficiency.
To achieve the above object, the utility model employs following technical scheme：
A kind of horizontal drawing wind pressure for biaxially oriented polyester film production line increases device, including horizontal drawing bellows, the horizontal stroke
It is the U-shaped structure that is made of air inlet duct, crosswind road and exhaust passage to draw bellows, the one end open of the air inlet duct, air inlet duct it is another
One end is connected with the one end in crosswind road, and the other end in the crosswind road is connected with one end of exhaust passage, the exhaust passage it is another
End seal is closed；Filter screen and heat exchanger are laid with successively along air inlet direction in the air inlet duct；It is uniform in outside on the exhaust passage
It is laid with a discharge air port；Wind-supplying mouth is offered in the middle part of the crosswind road, is connected at the wind-supplying mouth and mends air passage, the benefit
Adjusting valve is equipped in air passage, the end for mending air passage is equipped with benefit wind turbine.
Further, the adjusting valve is equipped with to identify the graduation mark of adjusting valve aperture.
The beneficial effects of the utility model are：The utility model can need to adjust the wind of horizontal drawing cooling section according to production
Amount fundamentally solves film percent thermal shrinkage height, horizontal pull-out mouth poor flatness and film caused by due to cooling air quantity deficiency
The problems such as swinging side, the effective quality for improving film, and the present apparatus is simple in structure, operation is easy, it is highly practical.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Wherein：1- air inlet ducts, 2- exhaust passages, 3- crosswind road, 4- filter screens, 5- heat exchangers, 6- wind-supplying mouths, 7- adjusting valves,
8- mends wind turbine, 9- air outlets.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings：
Increase device with reference to a kind of horizontal drawing wind pressure for biaxially oriented polyester film production line shown in FIG. 1, including horizontal stroke
Draw bellows, it is described it is horizontal to draw bellows be the U-shaped structure that is made of air inlet duct 1, crosswind road 3 and exhaust passage 2, the one of the air inlet duct 1
End opening, the other end of air inlet duct 1 are connected with the one end in crosswind road 3, the other end in the crosswind road 3 and one end of exhaust passage 2
Connection, the other end closing of the exhaust passage 2.
Filter screen 4 and heat exchanger 5 are laid with successively along air inlet direction in the air inlet duct 1；In outside on the exhaust passage
It is uniformly distributed to have a discharge air port 9, it is that the horizontal drawing cooling section of film line is blown.
The middle part in the crosswind road 3 offers wind-supplying mouth 6, is connected at the wind-supplying mouth 6 and mends air passage, in the benefit air passage
Equipped with adjusting valve 7, the end for mending air passage is equipped with benefit wind turbine 8.The adjusting valve 7 is equipped with to identify the quarter of adjusting valve aperture
Spend line (being designed with reference to existing adjusting valve, be no longer described in detail in accompanying drawings and embodiments).
The present embodiment uses the device of the utility model, and 12 μ films of production are tested, and all parameters, formula are solid
It is fixed, only adjust the aperture of the adjusting valve 7 of the utility model.Detailed process is production period, starts wind turbine, by the aperture of adjusting valve
Be respectively set as 0%, 5%, 10%.....100%, detection film shrink rate, horizontal drawing film outlet flatness and edge are swung
Side size, comparative analysis are as shown in table 1 below：
Table 1：
According to knowable to being analyzed with the data of upper table 1：
In biaxially oriented polyester film production line, after the horizontal drawing wind pressure increase device for employing the utility model, to thin
Film thermal stability, which has, to be obviously improved, and after the valve opening of adjusting valve is improved, film shrink rate continuously decreases, and works as adjusting valve
Valve opening improve to after more than 60%, film shrink rate reduce amplitude slow down, it is substantially unchanged after more than 70%；
Secondly, side is swung to film edge and is had clear improvement, when improve adjusting valve valve opening rear film swing side situation by
Gradually improve, after the valve opening of adjusting valve is improved to more than 50%, swing side Resolving probiems；
Again, pull-out mouth flatness horizontal on film has certain influence, when the valve opening of adjusting valve is in 40%-80% scopes
Interior, horizontal pull-out mouth film is substantially smooth, and flatness is optimal in the range of 60%-80%.
Finally, by data above analysis summary, draw when the valve opening of adjusting valve is 60% film shrink rate,
It swings side situation and horizontal pull-out mouth film flatness reaches optimum state.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
New scope is defined, and on the premise of the spirit of the design of the utility model is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In the range of.
Claims (2)
1. a kind of horizontal drawing wind pressure for biaxially oriented polyester film production line increases device, including horizontal drawing bellows, feature exists
In：It is described it is horizontal to draw bellows be the U-shaped structure that is made of air inlet duct, crosswind road and exhaust passage, the one end open of the air inlet duct, into
The other end in air passage is connected with the one end in crosswind road, and the other end in the crosswind road is connected with one end of exhaust passage, the outlet air
The other end closing in road；Filter screen and heat exchanger are laid with successively along air inlet direction in the air inlet duct；On the exhaust passage in
Outside is uniformly distributed a discharge air port；Wind-supplying mouth is offered in the middle part of the crosswind road, benefit wind is connected at the wind-supplying mouth
Road, described mend are equipped with adjusting valve in air passage, the end for mending air passage is equipped with benefit wind turbine.
2. a kind of horizontal drawing wind pressure for biaxially oriented polyester film production line according to claim 1 increases device,
It is characterized in that：The adjusting valve is equipped with to identify the graduation mark of adjusting valve aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721272051.5U CN207415974U (en) | 2017-09-29 | 2017-09-29 | A kind of horizontal drawing wind pressure for biaxially oriented polyester film production line increases device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721272051.5U CN207415974U (en) | 2017-09-29 | 2017-09-29 | A kind of horizontal drawing wind pressure for biaxially oriented polyester film production line increases device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207415974U true CN207415974U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721272051.5U Active CN207415974U (en) | 2017-09-29 | 2017-09-29 | A kind of horizontal drawing wind pressure for biaxially oriented polyester film production line increases device |
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| Country | Link |
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| CN (1) | CN207415974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936833A (en) * | 2019-12-11 | 2021-06-11 | 北京化工大学 | Low-heat-shrinkage polymer film and preparation method and application thereof |
-
2017
- 2017-09-29 CN CN201721272051.5U patent/CN207415974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936833A (en) * | 2019-12-11 | 2021-06-11 | 北京化工大学 | Low-heat-shrinkage polymer film and preparation method and application thereof |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 230088 No.1000, Mingchuan Road, high tech Zone, Hefei City, Anhui Province Patentee after: Anhui Guofeng New Material Co.,Ltd. Address before: Tianzhi Road, national high tech Industrial Development Zone, Hefei City, Anhui Province, No. 36 230088 Patentee before: ANHUI GUOFENG PLASTIC CO.,LTD. |