The utility model discloses a few channel diffuser. The inlet side is welded on the guide vane and guide vane of a B, a for the long straight guide vane and guide vane root slightly curved, B hook, a guide vanes and guide vanes of B welding together, and the tip of the guide vane welding a middle position of the guide vanes B. The guide vane and guide vane a B composed of compound leaf a, leaf a composite inclined roulette radius evenly distributed on the edge of the wheel disk, the composite blade a formed between the inlet passage, flow channel outlet is provided with a guide plate and the guide plate of a B, the outlet side is welded on the guide vane C the guide vane and guide vanes D, C and D are arc guide vanes, and welding together, the middle position of the guide vanes C guide vane tip D welding, C guide vanes and guide vanes D consists of the composite blade B, B composite blade tilt In the wheel radius evenly distributed on the wheel, the composite blade B is formed between the return channel, the entrance flow channel is provided with a flow guiding plate and guide plate C D, into the flow channel and the return channel through the guide plate a, B, C guide plate guide plate and the guide plate is connected to the D.
【技术实现步骤摘要】
【技术保护点】
1.一种少通道扩压器,包括轮盘(1),轮盘(1)的中间设有轴孔(2),轮盘(1)两侧分别为进风面和出风面,其特征在于:所述进风面上焊接有导流叶片a(3)和导流叶片b(4),导流叶片a(3)为直长形且根部稍弯曲,导流叶片b(4)为钩形,导流叶片a(3)和导流叶片b(4)的根部焊接在一起,且导流叶片a(3)的尖部焊接于导流叶片b(4)的中间位置,导流叶片a(3)和导流叶片b(4)组成的整体为复合叶片a(5),复合叶片a(5)倾斜于轮盘(1)半径均匀分布于轮盘(1)边缘,使复合叶片a(5)之间形成入流通道(6),入流通道(6)的出口设有导流板a(7)和导流板b(8),所述出风面上焊接有导流叶片c(9)和导流叶片d(10),导流叶片c(9)和导流叶片d(10)均为弧形,且根部焊接在一起,导流叶片d(10)的尖部焊接于导流叶片c(9)的中间位置,导流叶片c(9)和导流叶片d(10)组成的整体为复合叶片b(11),复合叶片b(11)倾斜于轮盘(1)半径均匀分布于轮盘(1)上,使复合叶片b(11)之间形成回流通道(12),回流通道(12)的入口设有导流板c(13)和导流板d(14),入流通道(6)和 ...
【技术特征摘要】
【专利技术属性】
技术研发人员:陈勇,
申请(专利权)人:南通大通宝富风机有限公司,
类型:实用新型
国别省市:32
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