RO81120B - Process for recovering glass from glass fibres spinning wastes - Google Patents
Process for recovering glass from glass fibres spinning wastesInfo
- Publication number
- RO81120B RO81120B RO102308A RO10230880A RO81120B RO 81120 B RO81120 B RO 81120B RO 102308 A RO102308 A RO 102308A RO 10230880 A RO10230880 A RO 10230880A RO 81120 B RO81120 B RO 81120B
- Authority
- RO
- Romania
- Prior art keywords
- glass
- recovering
- degrees
- subjected
- stage
- Prior art date
Links
- 239000011521 glass Substances 0.000 title abstract 2
- 239000003365 glass fiber Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000009987 spinning Methods 0.000 title abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Conform prezentei inventii, procedeul pentru recuperarea sticlei, din deseurile de filare a fibrelor de sticla, maruntite mecanic, aranjate în strat de cel mult 360 mm, sunt supuse unei maruntiri termice dintr-o singura directie sau din toate directiile în trepte, din care în prima treapta sunt încalzite la 450...830 degree C, în timp de circa 2,5 h, în a doua trepta sunt racite la 150 degree C si mentinute la aceasta temperatura circa 0,5 h, apoi sunt supuse macinarii mecanice la o granulatie mai mica sau egala 3 mm cu un continut rezidual de produse de încheiere de cel mult 0,1%.According to the present invention, the process for recovering glass from mechanically chopped glass fiber spinning disks arranged in a layer of not more than 360 mm is subjected to a single-directional or all-step thermal shrinkage, of which the first stage is heated to 450 ... 830 degrees C, in about 2.5 hours, in the second stage are cooled to 150 degrees C and maintained at this temperature for about 0.5 h, then subjected to mechanical grinding at a grain size less than or equal to 3 mm with a residual content of end products not exceeding 0,1%.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD21613479A DD146450A1 (en) | 1979-10-10 | 1979-10-10 | METHOD FOR RECOVERING GLASS HAZARD FROM GLASS SILENCE PAVING HAZARD |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81120B true RO81120B (en) | 1983-06-30 |
| RO81120A RO81120A (en) | 1983-07-07 |
Family
ID=5520534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO80102308A RO81120A (en) | 1979-10-10 | 1980-10-07 | PROCESS FOR RECOVERING GLASS FROM GLASS FIBER FILLING WASTE |
Country Status (3)
| Country | Link |
|---|---|
| CS (1) | CS260954B1 (en) |
| DD (1) | DD146450A1 (en) |
| RO (1) | RO81120A (en) |
-
1979
- 1979-10-10 DD DD21613479A patent/DD146450A1/en not_active IP Right Cessation
-
1980
- 1980-09-10 CS CS618080A patent/CS260954B1/en unknown
- 1980-10-07 RO RO80102308A patent/RO81120A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DD146450A1 (en) | 1981-02-11 |
| CS260954B1 (en) | 1989-01-12 |
| RO81120A (en) | 1983-07-07 |
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