Exhaust gas aftertreatment device
A technology of exhaust post-treatment and equipment, which is applied in the direction of exhaust treatment, mechanical equipment, exhaust devices, etc. It can solve the problems of inability to ensure exhaust post-treatment and the limitation of predetermined structural space, etc., to achieve improved particle separation, Effect of High Discharge Temperature
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[0027] figure 1 An annular catalytic converter 1 is shown. The annular catalytic converter has a centrally located first tubular flow section 2 through which exhaust gas can flow in flow direction 3 . The tubular flow section 2 is bounded in the radial direction by an inner tube 4 . A deflection region 5 is arranged downstream of the tubular flow section 2 in the flow direction 3 .
[0028] The diversion area 5 is formed by a cover element 6 onto which the exhaust gas flowing through the tubular flow section 2 flows. By impinging on the cover element 6 , the exhaust gas is deflected radially outwards and finally in a flow direction 7 , which is 180° opposite to the flow direction 3 .
[0029] The exhaust gas then flows through the second annular flow section 8 through a plurality of elements for exhaust gas aftertreatment arranged in this flow section 8 . exist figure 1 shows an annular catalytic converter 9 which, for example, has a catalytically active coating in order ...
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