Technical superiority
| S/N | Description of Right-granted Projects | Cat. | Right-granting No. | Mode for Right-granting |
|---|---|---|---|---|
| 1 | A new methanol recovery device in C4 downstream of ether | Utility models | ZL202022621109.0 | Independent research and development |
| 2 | Latex spraying dehydrator | Utility models | ZL202022005866.5 | Independent research and development |
| 3 | 1-butene refining and energy conservation device featuring dual column and dual hot pump integration | Utility models | ZL202022114496.9 | Independent research and development |
| 4 | 1-butene refining and energy conservation device featuring hot pump thermal integration | Utility models | ZL202022114837.2 | Independent research and development |
| 5 | Insulated gas discharge tube to cryogenic vessel skirt | Utility models | ZL202021208687.5 | Independent research and development |
| 6 | Liquid butyl rubber catalytic polymerization system | Utility models | ZL201810142021.5 | Independent research and development |
| 7 | Aromatics solvent removal and recovery system in alkane dehydrogenation plant | Utility models | ZL201922204253.1 | Independent research and development |
| 8 | A process technoloy for recovering DEA and TEA from waste waters | Utility models | ZL201921399563.7 | Independent research and development |
| 9 | Special gas check valve for VOC control | Utility models | ZL201921296535.2 | Independent research and development |
| 10 | Continuous catalyst generation system | Utility models | ZL201921237833.4 | Independent research and development |
| 11 | Composite rubber spray nozzle | Utility models | ZL201921545827.5 | Independent research and development |
| 12 | Recoery device for organics-containing off-gas from AN absorber | Utility models | ZL201920971384.X | Independent research and development |
| 13 | Oxidated dehydrogentation waste water stripping system | Utility models | ZL201921357095.7 | Independent research and development |
| 14 | Plug-in type membrance distributor for falling membrance evaporator | Utility models | ZL201920663387.7 | Independent research and development |
| 15 | Waster water recovery unit of oxidative dehydrogenation to butadiene | Utility models | ZL201320144653.8 | Independent research and development |
| 16 | Installation template of anchor bolts for large towers | Utility models | ZL201320192708.2 | Independent research and development |
| 17 | Built-in baffle of small diameter dumping hole | Utility models | ZL201320192707.8 | Independent research and development |
| 18 | Heating device of large PDH Plant | Utility models | ZL201320402318.3 | Independent research and development |
| 19 | Stripper technology of SBR & styrene | Utility models | ZL20142005906.6 | Independent research and development |
| 20 | Waster water refining and recycling of monomer recovery system for SBR | Utility models | ZL201420017041.7 | Independent research and development |
| 21 | Caustic washing equipment of poly-butadiene rubber | Utility models | ZL201420017803.3 | Independent research and development |
| 22 | Caustic washing and de-acidification equipment of poly-butadiene rubber | Utility models | ZL201420017853.1 | Independent research and development |
| 23 | Butene oxidative dehydrogenation reactor | Utility models | ZL201420015892.8 | Independent research and development |
| S/N | Description | Certificate No | Remarks |
|---|---|---|---|
| 1 | MTBESupporting structure for catalyst beds in MTBE reactor | zl200920238854.8 | |
| 2 | Delaminated separator with high efficiency for AN plant | zl200920238851.4 | |
| 3 | Highly efficient electro demineralized and dewatering equipment with horizontal flow | zl200920239687.9 | |
| 4 | Joint for HT end heat exchange tube and tube sheet | zl200920238855.2 | |
| 5 | Light hydrocarbon tail gas recovery plant | zl200920239683.0 | |
| 6 | Three-chambered oil and water separator | zl200920238853.3 | |
| 7 | Rolling support structure for horizontal equipment | zl200920239684.5 | |
| 8 | A spacer ring with internal heat insulation coating | zl200920238850.x | |
| 9 | Hanging structure for radiator tubes in steam superheater for styrene plant | zl200920239686.4 | |
| 10 | Sulfur high efficiency recovery process with dual selectivity (invention) | zl200910017706.8 | |
| 11 | Production of butene-1 through CPP and C4 (invention) | zl200910018908.4 | |
| 12 | New connection between support and shell of steel spherical tanks | zl201020536334.8 | |
| 13 | A new Baffle structure for discharge to fixed bed reactor | zl201020536326.3 | |
| 14 | Caustic washing equipment package for polybutadiene | zl201020289075.3 | |
| 15 | Air set for flue waste heat recovery and combustion promotion for steam superheater in styrene plant | zl201020536322.5 | |
| 16 | Sulfur recovery plant with tertiary air distributor | zl201120236018.3 | |
| 17 | Sulfur recovery plant with catalytic oxidation and absorption reactor | zl201120236000.3 | |
| 18 | Sulfur recover plant with deep freezer | zl201120235998.5 | |
| 19 | First BR polymerizer with quick blending section | zl201120323278.4 | |
| 20 | Combined cross girder for fluidized bed reactor | zl201120352034.9 | |
| 21 | Socket and spigot joint for large bearing beam and vessel wall | zl201120352259.4 | |
| 22 | Types of new structures for catalytic rectifying column | zl201120522778.0 | Utility model |
| 23 | A waste water treatment plant for synthetic rubber plant | zl201120524147.2 | Utility model |
| 24 | New anti-vortex baffle | zl201220096221.X | Utility model |
| 25 | Three-kettle agglomeration plant for synthetic rubber production through solution method | zl201220055732.7 | Utility model |
| 26 | Monomer recovery plant for NBR | zl201220298898.1 | Utility model |
| 27 | Heat transfer-device for polymerizer | zl201220130031.5 | Utility model |
| 28 | Auxiliary sealing structure for agitating shaft of bottom type agitator | zl201220180412.4 | Utility model |
| 29 | Method to prepare dichloroethane through direct chlorination of dry gas | zl201110430297.1 | Patent for invention |
| 30 | Radial fixed bed oxidation de-oxidation reactor with sectional in-line regeneration of catalysts | zl201220447164.5 | Utility model |
Portions of certificates for Patents
Patents No: zl201120522778.0
Patents description: Catalytic rectifying column
Patents No: zl201220180412.4
Patents description: Auxiliary sealing device for agitating shaft to bottom type agitator
Patents No: zl201220298898.1
Patents description: Monomer recovery plant for NBR
Patents No: zl201120524147.2
Patents description: Waste water treatment plant for synthetic rubber palnt
Patents No: zl201220130031.5
Patents description: Heat transfer device for polymerizer
Patents No: zl201120352034.9
Patents description: Connecting beam for fluidized bed reactor
Patents No: zl201220055732.7
Patents description: Three-kettle agglomeration plant for synthetic rubber production through solution method
Patents No: zl201220096221.X
Patents description: New anti-vortex baffle
Patents No: zl201220447164.5
Patents description: Radial fixed bed oxidation de-oxidation reactor with sectional in-line regeneration of catalysts