CN103522481B - The after-treatment device of soft PU circle bubble and processing method - Google Patents
The after-treatment device of soft PU circle bubble and processing method Download PDFInfo
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- CN103522481B CN103522481B CN201310511370.7A CN201310511370A CN103522481B CN 103522481 B CN103522481 B CN 103522481B CN 201310511370 A CN201310511370 A CN 201310511370A CN 103522481 B CN103522481 B CN 103522481B
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Abstract
<b>soft</b><b>pU</b><b>the after-treatment device of circle bubble and processing method。At present, soft</b><b>pU</b><b>the processing procedure that the cylindrical bubble block being absent from that production line is produced in the production of circle bubble carries out, there is the hidden danger with catching fire that is likely to of the foam rotten core of Huang core in this production method, and foam quality is poor, foam cost high and the shortcoming of the environmental degradation of operation interval。The inventive method includes: center gas distribution apparatus (</b><b>1</b><b>), described center gas distribution apparatus connect gas diverter (</b><b>2</b><b>) and foam handler (</b><b>3</b><b>), described gas diverter connect air supply system (</b><b>4</b><b>) and Nitrogen filling system (</b><b>5</b><b>)；Wherein, described gas diverter and foam handler by track (</b><b>6</b><b>) connect。The present invention is used for foam production。</b>
Description
Technical field:
The present invention relates to the after-treatment device of a kind of soft PU circle bubble and processing method。
Background technology:
At present, the process that the cylindrical bubble block being absent from that production line is produced in the production of soft PU circle bubble processes, there is following impact in this production method: first, foam makes interior temperature rise in curing reaction process, easily there is the rotten core phenomenon of yellow core in such foam, even there is catching fire hidden danger。Second, for preventing superheating phenomenon, technologist can add physical blowing agent to reduce interior temperature in formula, but the be excessively used physical property that can make foam and the feel of physical blowing agent are deteriorated, and affect foam quality。3rd, volatilizable thing in foam escaped quantity when without extraneous driving is less, mostly remain in foam, these are volatilizable, and thing comprises some materials having taste, VOC value poisonous, harmful, low and low fogging value, this makes the furniture being especially worth, the products such as automobile have taste in various degree and the continued emissions of volatilizable thing for a long time, have impact on the healthy of consumer and living environment。4th, too much use physical blowing agent not only affects product quality, and can cause the environmental degradation of cost up and operation interval。
All without the after-treatment device of present invention use and post-processing approach in the production of present soft PU circle bubble, it is necessary to improve。
Summary of the invention:
It is an object of the invention to provide the after-treatment device of a kind of soft PU circle bubble and processing method。
Above-mentioned purpose is realized by following technical scheme:
The after-treatment device of a kind of soft PU circle bubble, its composition includes: center gas distribution apparatus, and described center gas distribution apparatus connects gas diverter and foam handler, and described gas diverter connects air supply system and Nitrogen filling system；Wherein, described gas diverter and foam handler are connected by track。
The after-treatment device of described soft PU circle bubble, described air supply system also has timing means and frequency conversion adjustment device for high；Described Nitrogen filling system yet has described timing means and frequency conversion adjustment device for high。
The post-processing approach of a kind of soft PU circle bubble, the first step, the cylindrical bubble block that assembly line cutting is got off carries out the solidification of 20 ~ 40 minutes；
Second step, the central shaft along described cylindrical bubble block makes through hole, utilizes foam handler that described cylindrical bubble block is operated afterwards and finally makes center gas distribution apparatus load described through hole；
3rd step; kind according to foam and specification; adjust the frequency converter frequency of the supply decorum and the setting of the intervalometer amount of being aerated and ventilation time; carry out air input afterwards; when heat exchange and the inside volatilizable thing effusion process of described cylindrical bubble block completes, the described temperature in cylindrical bubble block reaches 120 ~ 140 DEG C, adjusts Nitrogen filling system afterwards and carries out nitrogen filled protection; foam is taken off after nitrogen charging, stand-by；
Now the gas replenishment process of one piece of bubble block completes, and the step then repeating first to the 3rd is circulated operation, it is achieved the continuous last handling process of soft PU circle bubble。
The post-processing approach of described soft PU circle bubble, described cylindrical bubble block carries out the solidification of 30 minutes。
The post-processing approach of described soft PU circle bubble, when the heat exchange of described cylindrical bubble block and inside volatilizable thing effusion process completes, the described temperature in cylindrical bubble block reaches 130 DEG C。
Beneficial effect:
1. the present invention just will carry out center drilling from the circle bubble scaled off disconnected production line after short-term cools down, then center gas distribution apparatus is deep in the through hole of position, cylindrical bubble block axis, and center gas distribution apparatus connects air supply system and Nitrogen filling system by gas diverter, in gas replenishment process, after-treatment device heat can be made by the comprehensive equal and quantitative without dead angle in Yuan Pao center to external migration, so namely harmful interior temperature peak value is completely eliminated, fundamentally remove related accidents hidden danger, make again heat be uniformly distributed in the foam simultaneously, it is more effectively completed solidification process, make foam uniform quality stable。Foam is carried out nitrogen charging process after completing by heat exchange again, and the degree of oxidation during thus making whole rear curing reaction is preferably minimized, and foam has been carried out more efficiently protection。
The after-treatment device of the soft PU circle bubble of present invention design is conducive in the production process of soft PU foam, the process of moving outside steeping block internal heat at cylinder is foam gas flow from inside to outside, this flowing can drive volatilizable composition in foam to overflow together outside foam, foam normally interior temperature is 140 ~ 150 DEG C, in the volatilizable thing testing standard of PU foam soft used by furniture and automobile, the highest test temperature of regulation is 120 DEG C, therefore, in foam, the volatilizable thing of all correlation standard can be taken out of foam by this flow process。So, at foam after assembly of the invention processes, significant portion was originally stayed the volatilizable thing in foam and had been overflowed foam, this just makes foam eliminate issuable taste to a great extent, greatly reduce the escaped quantity of foam in use volatilizable thing, the material of thing contains taste, VOC value poisonous, harmful, low and low fogging value that these are volatilizable。Their removal effectively protects the healthy of consumer and use environment of living, thus solving the encountered environmental protection of furniture, house ornamentation and automobile industry largely and de-tasting problem。
The after-treatment device of the soft PU circle bubble of present invention design is conducive in the production process of soft PU foam, and for temperature in increasing expansion rate and reducing, technologist can add excessive physical blowing agent in formula。But the use along with more physical blowing agent, product physical property can be caused to decline, cost increases, owing to a large amount of effusions of production work interval physical blowing agent can significantly affect its working environment, temperature in foam is reduced by the after-treatment device of the present invention, the consumption that can make physical blowing agent is greatly reduced, chemical blowing component increases, the gas that chemical blowing produces is carbon dioxide, environmental effect is only small, urea groups structure produced by chemical blowing can make the structural strength of foam substantially increase, and foam inventory in process of production so can be made to reduce accordingly。The electric energy of the after-treatment device of the deduction present invention and labour cost, reduce, by reduction physical blowing agent consumption and foam inventory, the income saved considerable。It addition, the equipment for after-treatment of the present invention is the mode adopting the outwards uniform diffusion gas from foam center, foam will not be made to produce any deformation, a small amount of deformation having resulted in is also had restitution, it is ensured that foam obtains desirable yield in cutting processing process。
The equipment for after-treatment of the present invention adopts foam center convection type, and air and nitrogen utilization rate are 100%, it is not necessary to powerful to mobilization force so power consumption is low。This equipment only needs a people to carry out intermittently operated, and safe operation process is reliable, and labor intensity is low, and labour cost is low。Owing to gas effciency is high, the whole processing procedure time is shorter, and each operation only needs 5-10 minute, is consistent with foam production speed, therefore, it can to accomplish substantially synchronize with foam production, has desirable efficiency of post treatment。The after-treatment device of the present invention is simple and reasonable, operates safety, low cost of manufacture, it is easy to promote。
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of the present invention。
In figure, distribution device in gas-fluid centered by 1,2 is gas diverter, and 3 is foam handler, and 4 is air supply system, and 5 is Nitrogen filling system, and 6 is track, and 7 is timing means, and 8 is frequency conversion adjustment device for high, and 9 is cylindrical bubble block。
Detailed description of the invention:
Embodiment 1:
The after-treatment device of a kind of soft PU circle bubble, its composition includes: center gas distribution apparatus 1, and described center gas distribution apparatus connects gas diverter 2 and foam handler 3, and described gas diverter connects air supply system 4 and Nitrogen filling system 5；Wherein, described gas diverter and foam handler are connected by track 6；Wherein, described center gas distribution apparatus gos deep in cylindrical bubble block 9。
Embodiment 2:
Described air supply system also has timing means 7 and frequency conversion adjustment device for high 8；Described Nitrogen filling system yet has described timing means and frequency conversion adjustment device for high。
Embodiment 3:
The post-processing approach of a kind of soft PU circle bubble, the first step, the cylindrical bubble block that assembly line cutting is got off carries out the solidification of 20 ~ 40 minutes；
Second step, the central shaft along described cylindrical bubble block makes through hole, utilizes foam handler that described cylindrical bubble block is operated afterwards and finally makes center gas distribution apparatus load described through hole；
3rd step; kind according to foam and specification; adjust the frequency converter frequency of the supply decorum and the setting of the intervalometer amount of being aerated and ventilation time; carry out air input afterwards; when heat exchange and the inside volatilizable thing effusion process of described cylindrical bubble block completes, the described temperature in cylindrical bubble block reaches 120 ~ 140 DEG C, adjusts Nitrogen filling system afterwards and carries out nitrogen filled protection; foam is taken off after nitrogen charging, stand-by；
Now the gas replenishment process of one piece of bubble block completes, and the step then repeating first to the 3rd is circulated operation, it is achieved the continuous last handling process of soft PU circle bubble。
Embodiment 4:
The post-processing approach of the soft PU circle bubble described in embodiment 3, described cylindrical bubble block carries out the solidification of 30 minutes。
Embodiment 5:
The post-processing approach of the soft PU circle bubble described in embodiment 3 or 4, when the heat exchange of described cylindrical bubble block and inside volatilizable thing effusion process completes, the described temperature in cylindrical bubble block reaches 130 DEG C。
Claims (4)
1. the post-processing approach of a soft PU circle bubble, this post-processing approach realizes based on the after-treatment device of soft PU circle bubble, the after-treatment device of soft PU circle bubble includes: center gas distribution apparatus, described center gas distribution apparatus connects gas diverter and foam handler, and described gas diverter connects air supply system and Nitrogen filling system；Wherein, described gas diverter and foam handler are connected by track；
It is characterized in that: the detailed process of the post-processing approach of soft PU circle bubble is:
The first step, the cylindrical bubble block that assembly line cutting is got off carries out the solidification of 20～40 minutes；
Second step, the central shaft along described cylindrical bubble block makes through hole, utilizes foam handler that described cylindrical bubble block is operated afterwards and finally makes center gas distribution apparatus load described through hole；
3rd step, kind according to foam and specification, adjust the frequency converter frequency of air supply system and the setting of the intervalometer amount of being aerated and ventilation time, carry out air input afterwards, when heat exchange and the inside volatilizable thing effusion process of described cylindrical bubble block completes, the described temperature in cylindrical bubble block reaches 120～140 DEG C, adjust Nitrogen filling system afterwards and carry out nitrogen filled protection, foam is taken off after nitrogen charging, stand-by: now the gas replenishment process of one piece of bubble block completes, then the step repeating first to the 3rd is circulated operation, realize the continuous last handling process of soft PU circle bubble。
2. the post-processing approach of soft PU according to claim 1 circle bubble, is characterized in that: described air supply system also has timing means and frequency conversion adjustment device for high；Described Nitrogen filling system yet has timing means and frequency conversion adjustment device for high。
3. the post-processing approach of soft PU according to claim 1 circle bubble, is characterized in that: described cylindrical bubble block carries out the solidification of 30 minutes。
4. the post-processing approach of the soft PU circle bubble according to claim 1 or 3, is characterized in that: when the heat exchange of described cylindrical bubble block and inside volatilizable thing effusion process completes, the described temperature in cylindrical bubble block reaches 130 DEG C。
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| CN201310511370.7A CN103522481B (en) | 2013-10-27 | 2013-10-27 | The after-treatment device of soft PU circle bubble and processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310511370.7A CN103522481B (en) | 2013-10-27 | 2013-10-27 | The after-treatment device of soft PU circle bubble and processing method |
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| CN103522481A CN103522481A (en) | 2014-01-22 |
| CN103522481B true CN103522481B (en) | 2016-06-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3890414A (en) * | 1971-02-22 | 1975-06-17 | Michael Anthony Ricciardi | Rapid cooling process for improving quality of polyurethane foam |
| US4150077A (en) * | 1977-01-24 | 1979-04-17 | Conwed Corporation | Reducing the aging period of gaseous expansion agent foams |
| US5188792A (en) * | 1992-02-10 | 1993-02-23 | Trinity American Corp. | Post treatment of polyurethane foam |
| CN1069985A (en) * | 1991-07-31 | 1993-03-17 | 克雷恩工业有限公司 | The three steps cooling of porous material |
| CN101240055A (en) * | 2008-03-13 | 2008-08-13 | 北京市丰信德科技发展有限公司 | Method for preparing low VOC content polyurethane foam and use thereof |
| CN203510583U (en) * | 2013-10-27 | 2014-04-02 | 哈尔滨新金东海绵制造有限公司 | Aftertreatment device for soft polyurethane (PU) round foam |
-
2013
- 2013-10-27 CN CN201310511370.7A patent/CN103522481B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3890414A (en) * | 1971-02-22 | 1975-06-17 | Michael Anthony Ricciardi | Rapid cooling process for improving quality of polyurethane foam |
| US4150077A (en) * | 1977-01-24 | 1979-04-17 | Conwed Corporation | Reducing the aging period of gaseous expansion agent foams |
| CN1069985A (en) * | 1991-07-31 | 1993-03-17 | 克雷恩工业有限公司 | The three steps cooling of porous material |
| US5188792A (en) * | 1992-02-10 | 1993-02-23 | Trinity American Corp. | Post treatment of polyurethane foam |
| CN101240055A (en) * | 2008-03-13 | 2008-08-13 | 北京市丰信德科技发展有限公司 | Method for preparing low VOC content polyurethane foam and use thereof |
| CN203510583U (en) * | 2013-10-27 | 2014-04-02 | 哈尔滨新金东海绵制造有限公司 | Aftertreatment device for soft polyurethane (PU) round foam |
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| CN103522481A (en) | 2014-01-22 |
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