| 1 |
A no-power makerup airsystem in confined space |
Utility Model Patent |
CNIPA |
2018 |
| 2 |
A drying device for ammonium phosphate slurry |
Utility Model Patent |
CNIPA |
2018 |
| 3 |
An emergency treatment device of ammonia gas discharging through relief valve on liquid ammonia tank |
Utility Model Patent |
CNIPA |
2016 |
| 4 |
A cyclone dust collector and its chain sweeper |
Utility Model Patent |
CNIPA |
2016 |
| 5 |
A tail gas purification device of exhaust gas from sulphur melting |
Utility Model Patent |
CNIPA |
2016 |
| 6 |
A defluorination and neutralization device using phosphorus containing wastewater to produce feed grade calcium hydrophosphate |
Utility Model Patent |
CNIPA |
2016 |
| 7 |
Exhaust gas treatment system of yellow phosphorus slag flushing sump |
Utility Model Patent |
CNIPA |
2016 |
| 8 |
A portable strong sulphuric acid filtering device |
Utility Model Patent |
CNIPA |
2016 |
| 9 |
A heat recovery device for DAP ammonium phosphate production |
Utility Model Patent |
CNIPA |
2016 |
| 10 |
Internal scrubbing system in the spray drying tower of ammonium dihydrogen phosphate |
Utility Model Patent |
CNIPA |
2016 |
| 11 |
A cooling device for sodium fluosilicate substrate |
Utility Model Patent |
CNIPA |
2016 |
| 12 |
A short-web device for yellow phosphorus electric furnace |
Utility Model Patent |
CNIPA |
2016 |
