CN103273659B - Blown with carbon dioxide plastic extrusion plate equipment - Google Patents
Blown with carbon dioxide plastic extrusion plate equipment Download PDFInfo
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- CN103273659B CN103273659B CN201310249501.9A CN201310249501A CN103273659B CN 103273659 B CN103273659 B CN 103273659B CN 201310249501 A CN201310249501 A CN 201310249501A CN 103273659 B CN103273659 B CN 103273659B
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- carbon dioxide
- extruder
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- foaming agent
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Abstract
A kind of blown with carbon dioxide plastic extrusion plate equipment, comprise device for transporting objects, first extruder, carbon dioxide foaming agent injection device, first static mixer, second extruder, second static mixer, molding die, the material delivery outlet of the first extruder is connected with the charging aperture of the first static mixer, the discharging opening of the first static mixer is connected with the charging aperture of the second extruder, the discharging opening of the second extruder is connected with the charging aperture of the second static mixer, the discharging opening of the second static mixer is connected with molding die, so by the first static mixer, second static mixer realizes stepped mixing, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, and then ensure plastic extrusion plate equipment is produced extruded sheet in cell size even.
Description
Technical field
The present invention relates to extruded sheet production technical field, particularly a kind of blown with carbon dioxide plastic extrusion plate equipment.
Background technology
Plastic extrusion plate equipment take polystyrene as raw material, injects blowing agent, in conjunction with effective control of water, electricity, gas; By squeezing, pressing, draw; Produce and have that hole-closing structure, light weight, intensity are good, airtight, aging-resistant hard extruded sheet.It is good that the extruded sheet utilizing plastic extrusion plate equipment to produce has quality softness, high resilience, nontoxic, harmless, sound insulation, heat insulation, moistureproof, resistance to compression and bumper and absorbing shock, the features such as barrier property is excellent.
Existing plastic extrusion plate equipment uses fluorine series blowing agent and chain hydrocarbon; as everyone knows; freon is the main cause causing Ozone hole; use freon to be unfavorable for environmental protection, and chain hydrocarbon have inflammability, affects production safety; for this reason; have in prior art and adopt carbon dioxide replacement fluorine Leon as extruded sheet production usage blowing agent, that is the mixture that employing carbon dioxide and alcohols or alkanes form is as blowing agent.
But, when taking carbon dioxide combined foaming agent as blowing agent, due to the poor compatibility of carbon dioxide, causing and being difficult to mixing or mixing inequality with material melt, cell size in the extruded sheet that plastic extrusion plate equipment is produced differs, and causes the compression strength of extruded sheet to reduce.
Summary of the invention
In view of this, a kind of blown with carbon dioxide plastic extrusion plate equipment can producing the uniform extruded sheet of cell size is provided.
A kind of blown with carbon dioxide plastic extrusion plate equipment, comprise device for transporting objects, first extruder, carbon dioxide foaming agent injection device, first static mixer, second extruder, second static mixer, molding die, device for transporting objects is connected with the charging aperture of the first extruder, device for transporting objects be used for will the mass transport that mix to the first extruder, the material delivery outlet of the first extruder is connected with the charging aperture of the first static mixer, the blowing agent input port of the first extruder is connected with the delivery outlet of carbon dioxide foaming agent injection device, carbon dioxide foaming agent injection device is used for carbon dioxide foaming agent to mix, and the carbon dioxide foaming agent mixed is flowed to the first extruder, first extruder is used for material melts is mixing, and the mixing of materials of carbon dioxide foaming agent and melting mixing is obtained gaseous mixture thing melt flow body, and gaseous mixture thing melt flow body is flowed to the first static mixer, the discharging opening of the first static mixer is connected with the charging aperture of the second extruder, first static mixer is for changing the flow regime of gaseous mixture thing melt flow body, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, the discharging opening of the second extruder is connected with the charging aperture of the second static mixer, and the second extruder is for stablizing the gaseous mixture thing melt flow body of the first static mixer conveying, the discharging opening of the second static mixer is connected with molding die, second static mixer is for changing the flow regime of gaseous mixture thing melt flow body, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, molding die is used for body formed to obtain extruded sheet for the gaseous mixture thing melt flow of the second static mixer conveying.
When utilizing above-mentioned blown with carbon dioxide plastic extrusion plate equipment to produce extruded sheet, because the material delivery outlet of the first extruder is connected with the charging aperture of the first static mixer, the discharging opening of the first static mixer is connected with the charging aperture of the second extruder, the discharging opening of the second extruder is connected with the charging aperture of the second static mixer, the discharging opening of the second static mixer is connected with molding die, so by the first static mixer, second static mixer realizes stepped mixing, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, and then ensure plastic extrusion plate equipment is produced extruded sheet in cell size even.
Accompanying drawing explanation
Fig. 1 is the structural representation of the blown with carbon dioxide plastic extrusion plate equipment of a better embodiment.
Fig. 2 is the structural representation of the carbon dioxide foaming agent injection device in Fig. 1.
In figure: blown with carbon dioxide plastic extrusion plate equipment 10, device for transporting objects 11, vertical mixing and blending machine 111, spiral feeder 112, first extruder 12, carbon dioxide foaming agent injection device 13, carbon dioxide fluid reservoir 131, CO 2 high pressure measuring pump 132, carbon dioxide vacuum tank 133, high pressure mixer 134, promoter high-pressure metering pump 135, promoter voltage stabilizing measuring pump 136, promoter fluid reservoir 137, CO 2 high pressure delivery pump 138, first static mixer 14, second extruder 15, second static mixer 16, molding die 17, voltage stabilizing proportioning device 18, check valve 19, stable-pressure device 20, carbon dioxide check valve 21, promoter check valve 22.
Detailed description of the invention
Please refer to Fig. 1, blown with carbon dioxide plastic extrusion plate equipment 10 comprises device for transporting objects 11, first extruder 12, carbon dioxide foaming agent injection device 13, first static mixer 14, second extruder 15, second static mixer 16, molding die 17.First extruder 12, second extruder 15 can be single screw extrusion machine.
Device for transporting objects 11 is connected with the charging aperture of the first extruder 12, device for transporting objects 11 gives the first extruder 12 for the mass transport that will mix, the material delivery outlet of the first extruder 12 is connected with the charging aperture of the first static mixer 14, the blowing agent input port of the first extruder 12 is connected with the delivery outlet of carbon dioxide foaming agent injection device 13, carbon dioxide foaming agent injection device 13 is for mixing carbon dioxide foaming agent, and the carbon dioxide foaming agent mixed is flowed to the first extruder 12, first extruder 12 is for mixing by material melts, and the mixing of materials of carbon dioxide foaming agent and melting mixing is obtained gaseous mixture thing melt flow body, and gaseous mixture thing melt flow body is flowed to the first static mixer 14, the discharging opening of the first static mixer 14 is connected with the charging aperture of the second extruder 15, first static mixer 14 is for changing the flow regime of gaseous mixture thing melt flow body, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, the discharging opening of the second extruder 15 is connected with the charging aperture of the second static mixer 16, the gaseous mixture thing melt flow body that the second extruder 15 is carried for stablizing the first static mixer 14, the discharging opening of the second static mixer 16 is connected with molding die 17, second static mixer 16 is for changing the flow regime of gaseous mixture thing melt flow body, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, molding die 17 is body formed to obtain extruded sheet for the gaseous mixture thing melt flow of being carried by the second static mixer 16.Second static mixing 16 is identical with the structure of the first static mixer 14, first static mixer 14 comprises steel pipe and is arranged on the ducted mixed cell of steel pipe, the surface of mixed cell is provided with the guide protrusion of rhombus, the free end of guide protrusion is close to the discharging opening of the first static mixer 14.
Wherein, device for transporting objects 11 comprises vertical mixing and blending machine 111 and spiral feeder 112, the discharging opening of vertical mixing and blending machine 111 is connected with the charging aperture of spiral feeder 112, the discharging opening of spiral feeder 112 is connected with the charging aperture of the first extruder 12, vertical mixing and blending machine 111 for by mixing of materials, spiral feeder 112 for will the mass transport of mixing to the first extruder 12.
Wherein, carbon dioxide foaming agent comprises carbon dioxide and promoter, promoter comprises methyl alcohol, ethanol and alkyl phosphate and distilled water, referring to Fig. 2, carbon dioxide foaming agent injection device 13 comprises carbon dioxide fluid reservoir 131, CO 2 high pressure measuring pump 132, carbon dioxide vacuum tank 133, high pressure mixer 134, promoter high-pressure metering pump 135, promoter voltage stabilizing measuring pump 136, promoter fluid reservoir 137 and CO 2 high pressure delivery pump 138, the liquid outlet of carbon dioxide fluid reservoir 131 is connected with the inlet of CO 2 high pressure delivery pump 138, the liquid outlet of CO 2 high pressure delivery pump 138 is connected with carbon dioxide vacuum tank 133 by pipeline, the inlet of CO 2 high pressure measuring pump 132 is connected with high pressure mixer 134 by pipeline, the liquid outlet of promoter high-pressure metering pump 135 is connected by high pressure mixer 134, the liquid outlet of high pressure mixer 134 is connected by the blowing agent input port of pipeline with the first extruder 12, and the pipeline that high pressure mixer 134 is connected with the first extruder 12 is provided with check valve 19, the inlet of promoter voltage stabilizing measuring pump 136 is connected with promoter fluid reservoir 137, and the liquid outlet of promoter voltage stabilizing measuring pump 136 is connected with promoter high-pressure metering pump 135.Pipeline between the liquid outlet of above-mentioned promoter voltage stabilizing measuring pump 136 and promoter high-pressure metering pump 135 is provided with voltage stabilizing and fills 20; The pipeline that the liquid outlet of above-mentioned CO 2 high pressure measuring pump 132 is connected with high pressure mixer 134 is provided with carbon dioxide check valve 21; The pipeline that the liquid outlet of above-mentioned promoter high-pressure metering pump 135 is connected with high pressure mixer 134 is provided with promoter check valve 22.
In the present embodiment, blown with carbon dioxide plastic extrusion plate equipment 10 also comprises voltage stabilizing proportioning device 18, the charging aperture of voltage stabilizing proportioning device 18 is connected with the second static mixer 16, the discharging opening of voltage stabilizing proportioning device 18 is connected with molding die 17, voltage stabilizing proportioning device 18 is for detecting the flow of the gaseous mixture thing melt flow body carried by the second static mixer 16, and the flow judging to detect with preset normal flow not to the time in of corresponding the flow of the gaseous mixture thing melt flow body of molding die 17 is supplied to according to the adjustment amount adjustment preset, the stability extruded and accuracy is ensured with this.Wherein, voltage stabilizing proportioning device 18 can be measuring pump.
When utilizing above-mentioned blown with carbon dioxide plastic extrusion plate equipment 10 to produce extruded sheet, because the material delivery outlet of the first extruder 12 is connected with the charging aperture of the first static mixer 14, the discharging opening of the first static mixer 14 is connected with the charging aperture of the second extruder 15, the discharging opening of the second extruder 15 is connected with the charging aperture of the second static mixer 16, the discharging opening of the second static mixer 16 is connected with molding die 17, so by the first static mixer 14, second static mixer 16 realizes stepped mixing, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, and then ensure plastic extrusion plate equipment is produced extruded sheet in cell size even.
Claims (7)
1. a blown with carbon dioxide plastic extrusion plate equipment, it is characterized in that: comprise device for transporting objects, first extruder, carbon dioxide foaming agent injection device, first static mixer, second extruder, second static mixer, molding die, device for transporting objects is connected with the charging aperture of the first extruder, device for transporting objects be used for will the mass transport that mix to the first extruder, the material delivery outlet of the first extruder is connected with the charging aperture of the first static mixer, the blowing agent input port of the first extruder is connected with the delivery outlet of carbon dioxide foaming agent injection device, carbon dioxide foaming agent injection device is used for carbon dioxide foaming agent to mix, and the carbon dioxide foaming agent mixed is flowed to the first extruder, first extruder is used for material melts is mixing, and the mixing of materials of carbon dioxide foaming agent and melting mixing is obtained gaseous mixture thing melt flow body, and gaseous mixture thing melt flow body is flowed to the first static mixer, the discharging opening of the first static mixer is connected with the charging aperture of the second extruder, first static mixer is for changing the flow regime of gaseous mixture thing melt flow body, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, the discharging opening of the second extruder is connected with the charging aperture of the second static mixer, and the second extruder is for stablizing the gaseous mixture thing melt flow body of the first static mixer conveying, the discharging opening of the second static mixer is connected with molding die, second static mixer is for changing the flow regime of gaseous mixture thing melt flow body, to make the material in gaseous mixture thing melt flow body with fine dispersion between carbon dioxide foaming agent and fully to mix, molding die is used for body formed to obtain extruded sheet for the gaseous mixture thing melt flow of the second static mixer conveying, wherein, second static mixer is identical with the structure of the first static mixer, first static mixer comprises steel pipe and is arranged on the ducted mixed cell of steel pipe, the surface of mixed cell is provided with the guide protrusion of rhombus, the free end of guide protrusion is close to the discharging opening of the first static mixer.
2. blown with carbon dioxide plastic extrusion plate equipment according to claim 1, it is characterized in that: blown with carbon dioxide plastic extrusion plate equipment also comprises voltage stabilizing proportioning device, the charging aperture of voltage stabilizing proportioning device is connected with the second static mixer, the discharging opening of voltage stabilizing proportioning device is connected with molding die, voltage stabilizing proportioning device is for detecting the flow of the gaseous mixture thing melt flow body carried by the second static mixer, and the flow judging to detect with the normal flow preset not to the flow being supplied to the gaseous mixture thing melt flow body of molding die time corresponding according to default adjustment amount adjustment.
3. blown with carbon dioxide plastic extrusion plate equipment according to claim 2, is characterized in that: voltage stabilizing proportioning device is measuring pump.
4. blown with carbon dioxide plastic extrusion plate equipment according to claim 1, it is characterized in that: device for transporting objects comprises vertical mixing and blending machine and spiral feeder, the discharging opening of vertical mixing and blending machine is connected with the charging aperture of spiral feeder, the discharging opening of spiral feeder is connected with the charging aperture of the first extruder, vertical mixing and blending machine is used for mixing of materials, and spiral feeder is used for the mass transport of mixing to the first extruder.
5. blown with carbon dioxide plastic extrusion plate equipment according to claim 1, is characterized in that: the first extruder is single screw extrusion machine, and the second extruder is single screw extrusion machine.
6. blown with carbon dioxide plastic extrusion plate equipment according to claim 1, it is characterized in that: carbon dioxide foaming agent comprises carbon dioxide and promoter, promoter comprises methyl alcohol, ethanol and alkyl phosphate and distilled water, carbon dioxide foaming agent injection device comprises carbon dioxide fluid reservoir, CO 2 high pressure measuring pump, carbon dioxide vacuum tank, high pressure mixer, promoter high-pressure metering pump, promoter voltage stabilizing measuring pump and promoter fluid reservoir, the liquid outlet of carbon dioxide fluid reservoir is connected with the inlet of CO 2 high pressure delivery pump, the liquid outlet of CO 2 high pressure delivery pump is connected with carbon dioxide vacuum tank by pipeline, the inlet of CO 2 high pressure measuring pump is connected with high pressure mixer by pipeline, the liquid outlet of promoter high-pressure metering pump is connected with high pressure mixer, the liquid outlet of high pressure mixer is connected with the blowing agent input port of the first extruder by pipeline, and the pipeline that high pressure mixer is connected with the first extruder is provided with check valve, the liquid outlet of promoter voltage stabilizing measuring pump is connected with promoter high-pressure metering pump.
7. blown with carbon dioxide plastic extrusion plate equipment according to claim 6, is characterized in that: the pipeline between the liquid outlet of above-mentioned promoter voltage stabilizing measuring pump and promoter high-pressure metering pump is provided with stable-pressure device; The pipeline that the liquid outlet of above-mentioned CO 2 high pressure measuring pump is connected with high pressure mixer is provided with carbon dioxide check valve; The pipeline that the liquid outlet of above-mentioned promoter high-pressure metering pump is connected with high pressure mixer is provided with promoter check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310249501.9A CN103273659B (en) | 2013-06-23 | 2013-06-23 | Blown with carbon dioxide plastic extrusion plate equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310249501.9A CN103273659B (en) | 2013-06-23 | 2013-06-23 | Blown with carbon dioxide plastic extrusion plate equipment |
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| CN103273659A CN103273659A (en) | 2013-09-04 |
| CN103273659B true CN103273659B (en) | 2016-02-03 |
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| CN201310249501.9A Active CN103273659B (en) | 2013-06-23 | 2013-06-23 | Blown with carbon dioxide plastic extrusion plate equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328915B (en) * | 2015-11-11 | 2017-05-31 | 烟台恒美塑业有限公司 | A kind of production equipment of cross-linked polyolefin microporous foam sheet material |
| CN109624178A (en) * | 2018-11-26 | 2019-04-16 | 界首市琦伟纸塑包装材料厂 | A kind of expandable polystyrene continuous process system |
| CN114834020A (en) * | 2022-05-20 | 2022-08-02 | 宁夏鼎盛阳光环保科技有限公司 | Melt fluid static mixer and carbon dioxide foaming extruded sheet production system |
| CN117447795A (en) * | 2023-12-22 | 2024-01-26 | 廊坊瑞满节能科技有限公司 | High-end hollow extruded sheet and manufacturing method thereof |
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| CN101518941A (en) * | 2009-03-26 | 2009-09-02 | 南京法宁格节能科技有限公司 | Equipment and method for producing polystyrene extruded plastic foam insulated pipes |
| CN101890782A (en) * | 2010-07-02 | 2010-11-24 | 南京法宁格节能科技有限公司 | Method for producing polystyrene extruded sheet with compressive strength larger than 700 kPa |
| CN101921404A (en) * | 2010-08-13 | 2010-12-22 | 刘志辉 | Preparation method of CO2 plastic foaming agent and injection system of CO2 plastic foaming agent |
| CN102490306A (en) * | 2011-12-20 | 2012-06-13 | 宁夏鼎盛阳光保温材料有限公司 | Injection method and system of modified carbon dioxide for producing foamed extruded sheet |
| CN203317757U (en) * | 2013-06-23 | 2013-12-04 | 宁夏鼎盛阳光保温材料有限公司 | Carbon dioxide foaming extruded sheet device |
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2013
- 2013-06-23 CN CN201310249501.9A patent/CN103273659B/en active Active
Patent Citations (5)
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| CN101518941A (en) * | 2009-03-26 | 2009-09-02 | 南京法宁格节能科技有限公司 | Equipment and method for producing polystyrene extruded plastic foam insulated pipes |
| CN101890782A (en) * | 2010-07-02 | 2010-11-24 | 南京法宁格节能科技有限公司 | Method for producing polystyrene extruded sheet with compressive strength larger than 700 kPa |
| CN101921404A (en) * | 2010-08-13 | 2010-12-22 | 刘志辉 | Preparation method of CO2 plastic foaming agent and injection system of CO2 plastic foaming agent |
| CN102490306A (en) * | 2011-12-20 | 2012-06-13 | 宁夏鼎盛阳光保温材料有限公司 | Injection method and system of modified carbon dioxide for producing foamed extruded sheet |
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Address after: 751100 Jin Ji industrial park, Wuzhong City, the Ningxia Hui Autonomous Region Patentee after: Ningxia Dingsheng Environmental Protection Technology Co., Ltd. Address before: 751100 Wuzhong District, Wuzhong City, the Ningxia Hui Autonomous Region Industrial Park C zone 7 Patentee before: Ningxia Dingsheng Yangguang Thermal Insulation Material Co., Ltd. |
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