SU198239A1 - METHOD OF DRYING POLYESTER COATINGS OF WOOD - Google Patents
METHOD OF DRYING POLYESTER COATINGS OF WOODInfo
- Publication number
- SU198239A1 SU198239A1 SU1048523A SU1048523A SU198239A1 SU 198239 A1 SU198239 A1 SU 198239A1 SU 1048523 A SU1048523 A SU 1048523A SU 1048523 A SU1048523 A SU 1048523A SU 198239 A1 SU198239 A1 SU 198239A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- drying
- wood
- polyester coatings
- drying polyester
- coatings
- Prior art date
Links
- 238000001035 drying Methods 0.000 title description 14
- 229920000728 polyester Polymers 0.000 title description 5
- 239000002023 wood Substances 0.000 title description 4
- 239000000969 carrier Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
Известны способы сушки полиэфирных покрытий древесных изделий, например мебельного производства, в среде теплоносител .Known methods of drying polyester coatings of wood products, such as furniture production, in the environment of the coolant.
Предлагаемый способ отличаетс тем, что, с целью интенсификации процесса сушки и улучшени качества высушиваемых изделий, сушку ведут при температуре теплоносител (воздуха) 60-90°С и относительной влажности 25-35%, получаемой путем введени в сушильную камеру технологического вод ного пара, предварительно отсепарированного от капельной влажности.The proposed method is characterized in that, in order to intensify the drying process and improve the quality of the dried products, the drying is carried out at a temperature of heat carrier (air) of 60-90 ° C and a relative humidity of 25-35% obtained by introducing process steam into the drying chamber, pre-separated from drip moisture.
Описываемый способ может быть осуществлен в известных конструкци х конвективных и терморадиацпонных сушильных камер.The described method can be carried out in known constructions of convective and thermoradiation dryers.
В сушильную камеру, снабженную внутри калориферами, помещают высушиваемые древесные издели с нанесенными на них полиэфирными покрыти ми и по перфорированным трубам подают в нее предварительно отсепарированный вод ной пар, струи которогоDrying wood products with polyester coatings applied on them are placed in a drying chamber equipped with heaters, and pre-separated steam is fed into it through perforated pipes, the jets of which
направл ют на калориферы, во избежание конденсировани влаги на покрыти х. Сушку ведут при температуре теплоносител 60- 90°С и относительной влажности 25-35%. Врем сушки полиэфирных покрытий, образованных лаками ПЭ-220 и ПЭ-219Н, составл ет 1 час 20 мин, т. е. сокращаетс по сравнению с известными способами сушки в 2,5- 3 раза при сохранении высокого качества высушиваемых изделий.sent to the heaters to avoid condensation of the moisture on the coatings. Drying is carried out at a heat carrier temperature of 60-90 ° C and a relative humidity of 25-35%. The drying time of polyester coatings formed by PE-220 and PE-219N lacquers is 1 hour and 20 minutes, i.e., is reduced by a factor of 2.5-3 compared to the known drying methods while maintaining the high quality of the dried products.
Предмет изобретени Subject invention
Способ сушки полиэфирных покрытий древесных изделий, например мебельного производства , в среде теплоносител , отличающийс тем, что, с целью интенсификации ироцесса сушки и улучшени качества, сушку ведут при температуре теплоносител 60-90°С и относительной влажности 25-35%, получаемойA method of drying polyester coatings of wood products, for example, furniture production, in a heat medium, characterized in that, in order to intensify the drying process and improve quality, drying is carried out at a heat carrier temperature of 60-90 ° C and a relative humidity of 25-35%
путем введени в сушильный объем вод ного пара.by introducing water vapor into the drying volume.
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SU198239A1 true SU198239A1 (en) | |
| SU198240A1 SU198240A1 (en) |
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