CN103541151A - Light super fine glass wool non-woven felt and manufacturing method thereof - Google Patents
Light super fine glass wool non-woven felt and manufacturing method thereof Download PDFInfo
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- CN103541151A CN103541151A CN201210246194.4A CN201210246194A CN103541151A CN 103541151 A CN103541151 A CN 103541151A CN 201210246194 A CN201210246194 A CN 201210246194A CN 103541151 A CN103541151 A CN 103541151A
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Abstract
The invention discloses light super fine glass wool non-woven felt and a manufacturing method of the felt. The light non-woven flat is of a laminated structure and is excellent in rebound resilience and flexibility. The manufacturing steps mainly include rough opening, fine opening, airflow netting, atomization glue spraying, curing and edge cutting. The light super fine glass wool non-woven felt and the manufacturing method of the felt have the advantages that the glass wool felt is made with the airflow netting method which takes the place of a traditional wet method and a traditional eccentric spraying and blowing method for manufacturing the glass wool felt, and the super thin glass wool felt super low in unit weight can be obtained. The surface of the product is even and smooth, the damage rate of fibers is small, netting is even, the fibers are distributed in three dimensions, and the product is excellent in sound absorbing and heat insulating performance and capable of being widely used as heat-preserving materials in the high cutting-edge field of large airplanes, large carrying devices, ships, high-speed rails and the like. According to the light super fine glass wool non-woven felt and the manufacturing method of the felt, the processing process is easy, the rate of finished products is high, cost is low, sources of raw materials are rich, and good economic benefits and good social benefits can be achieved.
Description
Technical field
The present invention relates to a kind of glass wool lightweight felt and preparation method thereof, particularly relate to non-woven lightweight felt of a kind of super glass wool and preparation method thereof.
Background technology
Blanket of glass wool has excellent insulation and sound absorbing capabilities, is widely used in all trades and professions, is particularly useful for insulation and the sound insulation of the interlayers such as factory building, automobile, high ferro.
United States Patent (USP) " the cotton felt of low-density non-woven glass fibre " (patent No. US 2004/0224594A1) is mentioned a kind of wet method felt.The techniques such as process is mixed containing the slurry of glass fibre, adds additive and adjusts pH value, collects cotton, and drying box is dry, prepare the cotton felt of wet glass fibers.Although this wet method blanket of glass wool uniformity is better, unit weight is excessive and all at 150kg/m
3above, can not meet and prepare lightweight glass wool felt.
United States Patent (USP) " method and apparatus of preparing glass fibre cotton " (patent No. US 2009/0314036A1) is mentioned with centrifugal injection method and is prepared glass fibre cotton felt.Frit is melt into glass metal in kiln, glass metal flows in the centrifugal pan in High Rotation Speed through forehearth, bushing, through centrifugal pan, throw away glass fibre one time, pass through again the wire drawing of centrifugal pan high temperature gas flow, form secondary glass fiber, pass through spraying adhesive, collection cotton, solidify to form blanket of glass wool.Blanket of glass wool prepared by this centrifugal injection method for the uniformity of high unit weight still can, but not good for low unit weight uniformity, can not meet the demand of lightweight glass wool felt.
Utilize air lay can obtain the lightweight glass wool felt of the heavy layer structure of ultra-thin super-low capacity, this lightweight glass wool felt has excellent resilience and compliance, surface uniform is smooth, fibrage internal structure is zigzag path, and porosity is high, and fibre damage rate is little, slag ball content is few, become net evenly, there is excellent sound absorption heat-proof quality, can be widely used as large aircraft, large delivery, naval vessel, the contour leading-edge field of high ferro insulation material.Its processing technology is simple, and yield rate is high, and cost is low, and raw material source is abundant, has good economic benefit and social benefit.
Summary of the invention
Object of the present invention is intended to overcome the deficiencies in the prior art, provides a kind of unit weight low, and porosity is high, becomes net homogeneous isotropism, the non-woven lightweight felt of super glass wool of stratiform stack.The non-woven lightweight felt of this super glass wool is layer structure, and thickness is at 1cm～1.5cm, and unit weight is at 5Kg/m
3～10Kg/m
3, there is excellent three-dimensional structure and sound absorption thermal insulation.Described lightweight felt, is after softener modification, fibre diameter 2～4 μ m, the stratiform lightweight felt that the super glass wool of 90% normal distribution is made through air-laid process.
For realizing the technical scheme of object employing of the present invention, be: provide the preparation method of the non-woven lightweight felt of a kind of above-mentioned super glass wool, air-laid process.
The present invention presses shown in Fig. 1, and wherein 11 is the cotton buckets of collection, and the 12nd, cylinder, the 13rd, conveyance conduit, the 14th, pump, the 15th, feeding curtain, the 16th, feeding roller, the 17th, cylinder, the 18th, blower fan, the 19th, Venturi tube, the 20th, become lace curtaining, the 21st, become net drum.
The preparation method of the non-woven lightweight felt of super glass wool provided by the invention, comprises the following steps:
(1) a certain amount of glass wool after thick shredding, smart shredding is put into the cotton bucket 11 of collection, integrated the rotating speed of cotton bucket as 1r/min～10r/min.
(2) under pump 14 and cylinder 12 synergy, glass wool is carried and descends slowly and lightly to feeding curtain 15 through conveyance conduit 13, and the cylinder 17 that feeds High Rotation Speeds through feeding roller 16 is further carded to filament.Under the centrifugal force of cylinder 17 and the air-flow synergy of blower fan 18, fiber comes off from cylinder 17, by air-flow, carries through Venturi tube 19, condenses upon on lace curtaining 20, under the effect that becomes net drum 21, forms fibre web.Pump 14 negative pressure wind 1MPa～8MPa wherein, rotating speed 5r/min～the 25r/min of cylinder 12, speed 0.1m/s～the 1m/s of feeding curtain 15, rotating speed 10r/min～the 60r/min of feeding roller 16, rotating speed 80r/min～the 150r/min of cylinder 17, rotating speed 150r/min～the 300r/min of blower fan 18, becoming lace curtaining 20 is 0.1m/s～1m/s with the speed that becomes net drum 21.
(3) fibre web is exported through conveyer belt, and spray-bonding craft is completed by atomization glue-spraying device, and nozzle exit pressure is 1MPa～5MPa, flow 20Kg/h～100Kg/h.
(4) fibre web that has sprayed glue solidifies in curing oven, and solidification temperature is 200 °～280 °, obtains the non-woven lightweight felt of super glass wool of dimensionally stable after cutting.
Advantage effect of the present invention is:
(1) adopt air lay to make blanket of glass wool and replace traditional wet method or centrifugal injection method to make blanket of glass wool, can obtain the blanket of glass wool of ultralight ultra-thin sound-absorption and heat-insulation superior performance.
(2) adopt air-laid process environmental pollution few, cost economy.
(3) surface uniform of this product is smooth, and fibre damage rate is little, becomes net evenly, and fiber becomes distributed in three dimensions, isotropism, stratiform stack.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is embodiment of the present invention structural representation.
The specific embodiment
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment is only not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims to the modification of the various equivalent form of values of the present invention and limit.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment, the present embodiment is to introduce glass wool lightweight felt preparation method.The present embodiment is pressed shown in Fig. 2, and wherein 11 is the cotton buckets of collection, and the 12nd, cylinder, the 13rd, conveyance conduit, the 14th, pump, the 15th, feeding curtain, the 16th, feeding roller, the 17th, cylinder, the 18th, blower fan, the 19th, Venturi tube, the 20th, become lace curtaining, the 21st, become net drum.It is characterized in that comprising the following steps:
(1) a certain amount of glass wool after thick shredding, smart shredding is put into the cotton bucket 11 of collection, integrated the rotating speed of cotton bucket as 6r/min.
(2) under pump 14 and cylinder 12 synergy, glass wool is carried and descends slowly and lightly to feeding curtain 15 through conveyance conduit 13, and the cylinder 17 that feeds High Rotation Speeds through feeding roller 16 is further carded to filament.Pump 14 negative pressure wind 3MP wherein, the rotating speed 10r/min of cylinder 12, the speed 0.5m/s of feeding curtain 15, the rotating speed 30r/min of feeding roller 16, the rotating speed 120r/min of cylinder 17.
(3) under the centrifugal force of cylinder 17 and the air-flow synergy of blower fan 18, fiber comes off from cylinder 17, by air-flow, carries through Venturi tube 19, condenses upon on lace curtaining 20, under the effect that becomes net drum 21, forms fibre web.The rotating speed 200r/min of blower fan 18 wherein, becoming lace curtaining 20 is 0.3m/s with the speed that becomes net drum 21.
(4) fibre web is exported through conveyer belt, and spray-bonding craft is completed by atomization glue-spraying device.Nozzle exit pressure is 3MPa, flow 50Kg/h.
(5) fibre web that has sprayed glue solidifies in curing oven, and solidification temperature is 240 ℃, obtains the super glass wool non-woven felt of dimensionally stable after cutting.
Above are only the single specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading the scope of protection of the invention.In every case be the content that does not depart from technical solution of the present invention, any type of simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. the non-woven lightweight felt of super glass wool, it take super glass wool as raw material, through thick shredding, smart shredding, air lay, atomization glue spraying, solidify, glass fibre cotton felt is made in trimming, it is characterized in that: this lightweight felt is layer structure, and thickness is at 10mm～15mm, and unit weight is at 5Kg/m
3～10Kg/m
3, there is excellent three-dimensional structure and sound absorption thermal insulation.
2. according to the lightweight felt described in claims 1, it is characterized in that: described fiber is the glass wool through softener modification.
3. according to the lightweight felt described in claims 1, it is characterized in that: described fiber is fibre diameter 2～4 μ m, and 90% fiber is normal distribution between this diameter region.
4. a preparation method for the non-woven lightweight felt of super glass wool, is characterized in that making through air-laid process.
5. according to the manufacture method of the non-woven lightweight felt of a kind of super glass wool described in claims 4, it is characterized in that comprising the following steps:
(1) a certain amount of glass wool after thick shredding, smart shredding is put into the cotton bucket of collection.
(2) under pump and cylinder synergy, glass wool is carried and descends slowly and lightly to feeding curtain through conveyance conduit, and the cylinder that feeds High Rotation Speed through feeding roller is further carded to filament.Profit pipe, condenses upon on lace curtaining, under the effect that becomes net drum, forms fibre web.
(3) fibre web is exported through conveyer belt, carries out atomization glue spraying.
(4) fibre web that has sprayed glue solidifies in curing oven, obtains the super glass wool non-woven felt of dimensionally stable after cutting.
6. according to the manufacture method of the non-woven lightweight felt of a kind of super glass wool described in claims 5, it is characterized in that integrating cotton bucket rotating speed as 1r/min～10r/min, cylinder rotating speed is 5r/min～25r/min, pump negative pressure wind is 1MPa～8MPa, feeding curtain speed is 0.1m/s～1m/s, and feeding roller rotating speed is 10r/min～60r/min, and cylinder rotating speed is 80r/min～150r/min, rotation speed of fan is 150r/min～300r/min, and becoming lace curtaining is 0.1m/s～1m/s with becoming net drum speed.
7. according to the manufacture method of the non-woven lightweight felt of a kind of super glass wool described in claims 5, it is characterized in that in spray-bonding craft, nozzle exit pressure is 1MPa～5MPa, flow is 20Kg/h～100Kg/h, 200 °～280 ° of curing oven solidification temperatures.
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| CN201210246194.4A CN103541151A (en) | 2012-07-16 | 2012-07-16 | Light super fine glass wool non-woven felt and manufacturing method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924385A (en) * | 2014-05-04 | 2014-07-16 | 东莞市鼎硕磨具磨料有限公司 | Elastic fiber web used for grinding product |
| CN104514093A (en) * | 2014-12-31 | 2015-04-15 | 王永祥 | Air laid machine |
| CN104746235A (en) * | 2015-03-24 | 2015-07-01 | 南京航空航天大学 | Low-density sound and heat insulation glass filter cotton felt and manufacturing method thereof |
| CN105157420A (en) * | 2015-08-26 | 2015-12-16 | 广德施可达岩棉制造有限公司 | Curing oven |
| CN105624923A (en) * | 2016-03-30 | 2016-06-01 | 苏州市职业大学 | Air laid machine |
| CN105734832A (en) * | 2016-04-18 | 2016-07-06 | 苏州九一高科无纺设备有限公司 | Ground type air laid machine |
| CN106012308A (en) * | 2014-05-05 | 2016-10-12 | 休伯特·赫格思 | Forming non-woven material through doffer |
| CN107460633A (en) * | 2017-08-19 | 2017-12-12 | 宿迁南航新材料与装备制造研究院有限公司 | A kind of field exploration clothes novel heat preserving cotton |
| CN108842294A (en) * | 2018-07-23 | 2018-11-20 | 淄博晨阳耐火制品有限公司 | Super fire resistant roller shutter door ceramic fibre blanket producing process |
| CN109844192A (en) * | 2016-09-26 | 2019-06-04 | 奥特发德国科技有限公司 | Aerodynamics non-woven fabrics forms device and method |
| CN110255880A (en) * | 2019-05-16 | 2019-09-20 | 宿迁南航新材料与装备制造研究院有限公司 | A kind of preparation method of the super glass wool with super layer structure |
| CN110777479A (en) * | 2019-10-10 | 2020-02-11 | 郭德雨 | Preparation method of glass fiber heat-insulating material |
| CN111197199A (en) * | 2018-11-16 | 2020-05-26 | 林秀美 | Glass fiber cotton structure and manufacturing method thereof |
| CN116334844A (en) * | 2022-12-22 | 2023-06-27 | 福建建壹真空科技有限公司 | Uniform net forming method of vacuum insulation panel ultra-short glass fiber felt |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924385A (en) * | 2014-05-04 | 2014-07-16 | 东莞市鼎硕磨具磨料有限公司 | Elastic fiber web used for grinding product |
| CN106012308A (en) * | 2014-05-05 | 2016-10-12 | 休伯特·赫格思 | Forming non-woven material through doffer |
| CN104514093A (en) * | 2014-12-31 | 2015-04-15 | 王永祥 | Air laid machine |
| CN104746235A (en) * | 2015-03-24 | 2015-07-01 | 南京航空航天大学 | Low-density sound and heat insulation glass filter cotton felt and manufacturing method thereof |
| CN105157420A (en) * | 2015-08-26 | 2015-12-16 | 广德施可达岩棉制造有限公司 | Curing oven |
| CN105624923A (en) * | 2016-03-30 | 2016-06-01 | 苏州市职业大学 | Air laid machine |
| CN105624923B (en) * | 2016-03-30 | 2017-10-10 | 苏州市职业大学 | Random web-laying equipment |
| CN105734832A (en) * | 2016-04-18 | 2016-07-06 | 苏州九一高科无纺设备有限公司 | Ground type air laid machine |
| CN109844192A (en) * | 2016-09-26 | 2019-06-04 | 奥特发德国科技有限公司 | Aerodynamics non-woven fabrics forms device and method |
| CN107460633A (en) * | 2017-08-19 | 2017-12-12 | 宿迁南航新材料与装备制造研究院有限公司 | A kind of field exploration clothes novel heat preserving cotton |
| CN108842294A (en) * | 2018-07-23 | 2018-11-20 | 淄博晨阳耐火制品有限公司 | Super fire resistant roller shutter door ceramic fibre blanket producing process |
| CN111197199A (en) * | 2018-11-16 | 2020-05-26 | 林秀美 | Glass fiber cotton structure and manufacturing method thereof |
| CN110255880A (en) * | 2019-05-16 | 2019-09-20 | 宿迁南航新材料与装备制造研究院有限公司 | A kind of preparation method of the super glass wool with super layer structure |
| CN110777479A (en) * | 2019-10-10 | 2020-02-11 | 郭德雨 | Preparation method of glass fiber heat-insulating material |
| CN116334844A (en) * | 2022-12-22 | 2023-06-27 | 福建建壹真空科技有限公司 | Uniform net forming method of vacuum insulation panel ultra-short glass fiber felt |
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Application publication date: 20140129 |