| abstract |
The present invention provides the cooling structure of a kind of aqueous solution of urea pipe arrangement, in working truck (1), the engine room (4) being disposed adjacent with the cooling fan of heat exchanger supply cooling air is provided with exhaust gas post-treatment device, and exhaust gas post-treatment device possesses the selective catalytic reduction device using the ammonia obtained from aqueous solution of urea as reducing agent, in selective catalytic reduction device, the aqueous solution of urea pipe arrangement (47) of supply aqueous solution of urea configures through engine room (4), it is provided with pipe arrangement road at engine room (4) and forms parts (10), pipe arrangement road forms parts (10) and has the pipe arrangement road (11 laying aqueous solution of urea pipe arrangement (47), 12), the cooling air that cooled fan sucks is on described pipe arrangement road (11, 12) circulation in. |