| 摘要 |
<p>The utility model relates to a pretreatment device for reducing exhaust emission of a diesel engine. The pretreatment device comprises a treatment device, wherein the treatment device comprises a reaction tank, a first filter, a second filter and a composition; the reaction tank is provided with an oil inlet pipe and an oil outlet pipe; a space is formed between the oil inlet pipe and the oil outlet pipe; the oil inlet pipe is provided with an oil inlet; the oil outlet pipe is provided with an oil outlet; the first filter is arranged on the inner wall, through which the oil inlet pipe penetrates, of the reaction tank, covers the oil inlet of the oil inlet pipe and is provided with a plurality of oil inlet holes; the second filter is arranged on the inner wall, through which the oil outlet pipe penetrates, of the reaction tank, covers the oil outlet of the oil outlet pipe and is provided with a plurality of oil outlet holes; the composition is accommodated in the reaction tank and is selected from the group consisting of the following materials: a far infrared material, a negative ion material and combination of the two materials; and the particle size of the composition is greater than the aperture of each oil inlet hole and the aperture ofeach oil outlet hole.</p> |
