CN102632576B - Hot air circulating system for air knife of two-way stretching membrane for extruding and casting - Google Patents
Hot air circulating system for air knife of two-way stretching membrane for extruding and casting Download PDFInfo
- Publication number
- CN102632576B CN102632576B CN201210104660.5A CN201210104660A CN102632576B CN 102632576 B CN102632576 B CN 102632576B CN 201210104660 A CN201210104660 A CN 201210104660A CN 102632576 B CN102632576 B CN 102632576B
- Authority
- CN
- China
- Prior art keywords
- air knife
- temperature
- gas heater
- air
- circulating system
- 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.)
- Active
Links
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a hot air circulating system for an air knife of a two-way stretching membrane for extruding and casting. The hot air circulating system is an integral system including a high-pressure centrifugal ventilator with variable frequency control, a gas filter, a conveying air duct, a gas heater, the air knife, a hot oil temperature control station and a hot air temperature pressure control unit, wherein the high-pressure centrifugal ventilator with variable frequency control is connected with the gas filter; the gas filter is connected with one end of a hot air jacket of the gas heater through a connection pipe, and the other end of the gas heater is connected with the air knife through the conveying air duct. According to the hot air circulating system disclosed by the invention, an air source is clean gas with adjustable temperature, and the air blown from the air knife is hot air with controllable temperature and pressure. Due to the action of the air knife, besides that the membrane can be better attached to a cold roll so as to reduce the pinch phenomenon at two ends of a casting film, the cooling speed of a flux and the temperature of the membrane can also be controlled; the crystal types and the crystallinity required by a user are ensured, and advantages are provided for the next stretching orientation, an intergranular structure and other special requirements.
Description
Technical field
The present invention relates to one and extrude salivation biaxial tension barrier film air knife hot air circulating system.
Background technology
At present, extrude salivation biaxial tension barrier film air knife hot air circulating system and still belong at home blank, there is no the technology about this respect.
Summary of the invention
The object of this invention is to provide one and extrude salivation biaxial tension barrier film air knife hot air circulating system.
The technical scheme that the present invention adopted is for achieving the above object: extrude salivation biaxial tension barrier film air knife hot air circulating system, whole system including high pressure centrifugal ventilator (1), pneumatic filter (2), conveying airduct (3), gas heater (4), air knife (5), deep fat temperature control station (6) and the hot blast temperature pressure control unit (7) of VFC, the high pressure centrifugal ventilator (1) of VFC is connected with pneumatic filter (2); Pneumatic filter (2) is connected with one end of gas heater (4) hot blast chuck by tube connector; The other end of gas heater (4) is by carrying airduct (3) to be connected with air knife (5).
The wind that described air knife (5) blows out can be realized the control of temperature and pressure by gas heater (4).
Described gas heater (4) has respectively 1 to enter 1 and go out 2 hydraulic fluid ports and 1 and enter 1 and go out 2 air ports, the oil-in of gas heater (4) is connected with the oil-out of deep fat station (6) by oil pipe on the one hand, gas heater (4) oil-out through oil strainer, be pumped back in oil heater, on the other hand from the high pressure centrifugal ventilator (1) of VFC wind out through pneumatic filter (2), gas heater (4), carry the heating of airduct (3), temperature, pressure control unit (7) and regulate and blow out from the lip of air knife (5).
Described hot blast temperature pressure control unit (7) by itself with temperature, pressure sensor, ratio adjusting valve complete the temperature to gas and go out the feedback adjusting of wind pressure.
This hot air circulating system, source of the gas is clean dry gas.Temperature, pressure is adjustable (can according to material formula).What blown out by air knife is hot blast, it is except making diaphragm and cold roller well fit, reduce the necking at salivation film two ends, can also control the cooling velocity of melt, optionally improve the desired crystallization kind of user and degree of crystallinity, for next step stretch orientation provides advantage, thereby improve the physical index of extruding salivation oriented film, improve film article quality.
Brief description of the drawings
Fig. 1 is that one of the present invention is extruded salivation biaxial tension barrier film air knife hot air circulating system structural representation.
Fig. 2 is that one of the present invention is extruded salivation biaxial tension barrier film air knife hot air circulating system deep fat, hot-air system control principle drawing.
In figure: 1, the high pressure centrifugal ventilator of VFC; 2, air cleaner; 3, carry airduct; 4, gas heater; 5, air knife; 6, deep fat station; 7, temperature, pressure control module.
Detailed description of the invention
As depicted in figs. 1 and 2, extrude salivation biaxial tension barrier film air knife hot air circulating system, comprise the high pressure centrifugal ventilator 1 of VFC, air cleaner 2, carry airduct 3, gas heater 4, air knife 5, deep fat station 6 and temperature, pressure control module 7, air cleaner 2 is connected with air heater 4 with the high pressure centrifugal ventilator 1 of VFC respectively by taking over, carry airduct 3 one end to be connected with air knife 5, the other end be connected with gas heater 4, the turnover oil pipe of gas heater 4 and deep fat station 6 and temperature, pressure control unit 7 is connected, the thermal source of heater is from deep fat device 6, this device can ensure that hot oil temperature and the pressure in gas heater 4 keeps constant under stable duty, in addition hot blast temperature pressure control unit 7, hot blast its temperature and pressure under stable duty of finally realizing in air knife keeps constant, hot blast temperature, pressure control unit 7 by itself with temperature, pressure sensor, the continual feedback adjusting that completes the temperature to gas and go out wind pressure such as ratio adjusting valve, so move in circles, make hot air circulating system in whole production process, remain the temperature of gas and go out the constant of wind pressure, thereby keep the stability of producing, this hot air circulating system utilizes the high pressure centrifugal ventilator 1 of VFC and air cleaner by the gas supply gas heater with certain pressure of cleaning, by deep fat station and temperature, the sensor of pressure control unit is the pressure of lip of air knife, temperature signal feeds back to deep fat station control system and pressure and temp control module, thereby realize air pressure by its adjusting, the control of temperature, the closed-loop control of whole system formation control system, the hot blast temperature control deviation that air knife blows can remain on ± 1 DEG C in, to ensure that extruding salivation oriented film reaches the desired performance of technique, make not only crystallization on request of high-polymer molecular simultaneously, and make superpolymer crystal particle granular, just because of crystallization granular, make diaphragm in follow-up stretching, form thin hole uniformly, thereby improve the quality of film.
Claims (4)
1. extrude salivation biaxial tension barrier film air knife hot air circulating system for one kind, it is characterized in that: the whole system including high pressure centrifugal ventilator (1), pneumatic filter (2), conveying airduct (3), gas heater (4), air knife (5), deep fat temperature control station (6) and the hot blast temperature pressure control unit (7) of VFC, the high pressure centrifugal ventilator (1) of VFC is connected with pneumatic filter (2); Pneumatic filter (2) is connected with one end of gas heater (4) hot blast chuck by tube connector; The other end of gas heater (4) is by carrying airduct (3) to be connected with air knife (5).
2. one according to claim 1 is extruded salivation biaxial tension barrier film air knife hot air circulating system, it is characterized in that: the wind that described air knife (5) blows out can be realized the control of temperature and pressure by gas heater (4).
3. one according to claim 1 is extruded salivation biaxial tension barrier film air knife hot air circulating system, it is characterized in that: described gas heater (4) has respectively 1 to enter 1 and go out 2 hydraulic fluid ports and 1 and enter 1 and go out 2 air ports, the oil-in of gas heater (4) is connected with the oil-out of deep fat station (6) by oil pipe on the one hand, gas heater (4) oil-out is through oil strainer, be pumped back in oil heater, on the other hand from the high pressure centrifugal ventilator (1) of VFC wind out through pneumatic filter (2), gas heater (4), carry airduct (3), temperature, the heating of pressure control unit (7) and adjusting blow out from the lip of air knife (5).
4. one according to claim 1 is extruded salivation biaxial tension barrier film air knife hot air circulating system, it is characterized in that: described hot blast temperature pressure control unit (7) by itself with temperature, pressure sensor, ratio adjusting valve complete the temperature to gas and go out the feedback adjusting of wind pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104660.5A CN102632576B (en) | 2012-04-11 | 2012-04-11 | Hot air circulating system for air knife of two-way stretching membrane for extruding and casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104660.5A CN102632576B (en) | 2012-04-11 | 2012-04-11 | Hot air circulating system for air knife of two-way stretching membrane for extruding and casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102632576A CN102632576A (en) | 2012-08-15 |
| CN102632576B true CN102632576B (en) | 2014-08-20 |
Family
ID=46617242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210104660.5A Active CN102632576B (en) | 2012-04-11 | 2012-04-11 | Hot air circulating system for air knife of two-way stretching membrane for extruding and casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102632576B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008798B (en) * | 2022-05-29 | 2024-09-13 | 四川厚诚新材料有限公司 | Preparation system and method of curtain coating CPE film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120352A (en) * | 2011-01-04 | 2011-07-13 | 北京化工大学 | Rotational molding forming device |
| CN201931575U (en) * | 2011-01-04 | 2011-08-17 | 北京化工大学 | Rotational molding device |
| CN202572763U (en) * | 2012-04-11 | 2012-12-05 | 大连橡胶塑料机械股份有限公司 | Hot wind circulating system provided with air knife and used for membrane subjected to extrusion casting and two-way drawing |
-
2012
- 2012-04-11 CN CN201210104660.5A patent/CN102632576B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120352A (en) * | 2011-01-04 | 2011-07-13 | 北京化工大学 | Rotational molding forming device |
| CN201931575U (en) * | 2011-01-04 | 2011-08-17 | 北京化工大学 | Rotational molding device |
| CN202572763U (en) * | 2012-04-11 | 2012-12-05 | 大连橡胶塑料机械股份有限公司 | Hot wind circulating system provided with air knife and used for membrane subjected to extrusion casting and two-way drawing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102632576A (en) | 2012-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102303407B (en) | Equipment and method for preparing polytetrafluoroethylene (PTFE) membrane by three-dimensional (3D) stretching | |
| CN203863998U (en) | Expansion-micro-shrinkage type biaxial stretching pipe continuous molding device | |
| CN202572763U (en) | Hot wind circulating system provided with air knife and used for membrane subjected to extrusion casting and two-way drawing | |
| CN105235228A (en) | Technological method and device for preparing biaxial orientation plastic pipe through one-step method | |
| CN109435220A (en) | Polytene corrugated tube and its expanding and shaping technique | |
| CN203741410U (en) | Thin film vacuum aluminizing production equipment with blowing flattening function | |
| CN202412676U (en) | Blowing machine for biaxially oriented heat-shrinkable film | |
| CN102632576B (en) | Hot air circulating system for air knife of two-way stretching membrane for extruding and casting | |
| CN105196514B (en) | A kind of extrusion molding mould of online biaxial orientation plastics heavy caliber pipe | |
| CN103434128A (en) | Bidirectional heatcycle production process of high-quality sheet material | |
| CN105172097B (en) | A kind of extrusion molding mould of online biaxial orientation plastics minor caliber pipe | |
| CN204773545U (en) | Heat -shrinkable film blown film equipment | |
| CN108688033A (en) | A kind of inflation film internal cooling method and device | |
| CN205033555U (en) | Extrusion moulding mould of online biaxial orientation plastics heavy -calibre tubular product | |
| CN206232857U (en) | The water for improving temperature uniformity in groove leads groove | |
| CN103991209A (en) | Automatic production method and automatic production line of matt cable | |
| CN205326085U (en) | Inside and outside air current of blown film is cooling device in coordination based on chimney effect | |
| CN207916018U (en) | Tubular product vacuum shaping | |
| CN204505665U (en) | Edge Heating three-roller calendaring device | |
| CN204471695U (en) | For the cooling device of BOPP film production | |
| CN104070671A (en) | Self-shaping device of film blowing machine set of thermal shrinkage films | |
| CN203994696U (en) | Heat shrink films blown film unit self-fixing device and PVC heat shrink films system thereof | |
| CN208148313U (en) | Cooling device in a kind of inflation film | |
| CN201728821U (en) | Temperature control mechanism for rounding device of composite extrusion unit | |
| CN206781069U (en) | A kind of equipment of continuous production graphene heat conducting film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170106 Address after: 116036 Ganjingzi Province, Dalian District, Hui Road, No. 18, Patentee after: Dalian Rubber Plastic Machinery Co., Ltd. Address before: 116033 Ganjingzi Province, Dalian District, Hui Road, No. 18, Patentee before: Dalian Rubber & Plastics Machinery Co., Ltd. |