COOLING SYSTEM OF UREA WATER FOR EXHAUST GAS PURIFICATION

PROBLEM TO BE SOLVED: To provide a cooling system of urea water for exhaust gas purification, the system capable of excellently cooling the urea water.SOLUTION: In a cooling system 10 of urea water for exhaust gas purification, a urea water cooling circuit 11 is provided separately from an engine co...

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Bibliographic Details
Main Authors ORITA TETSUO, KATO TAKASHI
Format Patent
LanguageEnglish
Published 30.09.2013
Subjects
BLASTING
DREDGING
ENGINE PLANTS IN GENERAL
FIXED CONSTRUCTIONS
FOUNDATIONS
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
HYDRAULIC ENGINEERING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
SOIL SHIFTING
STEAM ENGINES
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a cooling system of urea water for exhaust gas purification, the system capable of excellently cooling the urea water.SOLUTION: In a cooling system 10 of urea water for exhaust gas purification, a urea water cooling circuit 11 is provided separately from an engine cooling circuit 7 for an engine 6 mounted on a construction machine. The urea water cooling circuit 11 includes a cooling tube 20 for cooling a urea water supply tube 4 for supplying urea water from a urea water tank 2 to a urea water supply valve 5, an electric pump 30 for supplying coolant water to the cooling tube 20, and a radiator 40 to which the coolant water flowing out from the cooling tube 20 inflows. The coolant water flowing out from the radiator 40 returns to the electric pump 30 for circulatation.
Bibliography:Application Number: JP20120064502