Application No./Patent No. application type Patent name
2005
200520013036.X utility model A tray for urea hydrolysis
200520013319.4 utility model The device for the treatment of ammonia and urea waste liquid with low-pressure
200520013645.5 utility model The energy saving vacuum concentrator for urea production
200520013150.2 utility model The connection structure between the tray and the tower
2006
200620104534.X utility model The evaporative cooler
200620100588.9 utility model The fine grain grid filler
200620108174.0 utility model Improved cap tray
2007
200720105383.4 utility model A tray for the urea synthesis
200720105382.X utility model The mounting structure of the tray for urea synthesis
200730114260.2 appearance desisn The Air chamber type cap
2008
200820208815.9 utility model A device for removing the sulfur dioxide from exhaust gas
200820171378.8 utility model An evaporation device for concentrating the urea solution
200820171375.4 utility model The dedusting device of urea cooling fluidized bed
200820171376.9 utility model A fluidized cooling device for urea pelletizing tower
200820120781.8 utility model An explosion protection device for urea production system
200820082170.9 utility model A device for producing dimethyl ether by the dehydration of methanol
200820171377.3 utility model Gas - liquid distributor
200810059275.7 patent A device for the dehydration of methanol to make dimethyl ether
200810059199.X patent The preparation of dimethyl ether by the dehydration of methanol
200810163800.X patent A device for removing the sulfur dioxide from exhaust gas
2009
200920199856.0 utility model An absorption device for the urea production by aqueous solution full cycle
200920199857.5 utility model A device for the urea fluidized dust removal
200920122450.2 utility model An evaporator device for urea production
200920215648.5 utility model A tray for urea synthesis
200920122449.X utility model The tray of absorption and separation tower
200920198265.1 utility model The preparation of urea from aqueous solution by full cycle technology
2010
201020176933.3 utility model The internal structure of urea synthesis tower
201020540712.X utility model A device for the sulfur dioxide removal from the flue gas
201020103900.6 utility model A urea synthesis tower
201020231861.8 utility model A device for the removing sulfur dioxide from the exhaust gas and the ammonium sulfate byproduction
201020050272.X utility model An energy saving combined device for the urea production and hydrolysis
ZL201010205025.7 patent A device for removing the sulfur dioxide from the exhaust gas and the ammonium sulfate byproduction
ZL201010290578.7 patent A device for removing the sulfur dioxide from flue gas
2011
201120101537.9 utility model The tray structure in urea synthesis of methanol
201120101536.4 utility model A device for the combined production of methanol and ammonia by means of methanol purge gas
ZL201110227477.X patent A method of thiosulfate production from the industrial flue gas and the removal of carbon dioxide
2012
ZL201220078734.8 utility model A desulfurization device
ZL201220206669.2 utility model A device for the dust removal and the recovery of urea granules
ZL201220141103.6 utility model A device for the coal tar hydrogenation
ZL201220206655.0 utility model A suction device for the urea production
ZL201220340257.8 utility model Evaporative cooler
ZL201220374584.5 utility model A waste liquid treatment device for the synthesis of ammonia and urea
ZL201210056077.1 utility model A method of the determination of sodium thiocyanate in the desulfurization solution
2013
ZL201320359102.3 utility model A tray for the urea synthesis tower
ZL201310743345.1 patent A method of diesel fuel synthesis from the anthracene oil hydrogenation in the coal tar
ZL201310743323.5 patent The catalyst and its preparation for coal tar hydrocracking
ZL201310743354.0 patent The protective agent and its preparation method for the coal tar hydrogenation catalyst
2015
ZL201520156811.0 utility model A device for the synthesis of
ZL201521145219.7 utility model A device for the synthesis of methyl nitrite
ZL201521145220.X utility model A device forthe synthesis of ethylene glycol
2016
ZL201620165167.8 utility model A device for removing the hydrogen sulfide gas and regenerating sulfur from industrial raw material gas
Others
ZL99230464.4 utility model Cap type urea synthesis tray
ZL00249586.4 utility model A cleaning tower for the urea vaporization gas
ZL01210531.7 utility model The internals of urea synthesis tower
ZL02112888.X patent A kind of binary composite iron - alkali desulfurization catalyst
ZL03230513.3 utility model The suction system tower of the urea production device
ZL03255869.4 utility model An evaporative cooler
ZL03209775.1 utility model The waste treatment device for the ammonia and urea
ZL03229978.8 utility model A boiling and cooling device of urea particle
ZL200420082273.7 utility model A methanation reactor
ZL200420022934.7 utility model A gas chamber type tray for the urea synthesis
