1、

Results show that the collecting efficiency for the welding fume increases by 3% compared with ordinary fabric filtering, especially for those fine particles. The break through rate of 2 μ m particles decreases by 47%.

现场测试表明,该技术对焊接烟尘的滤除效率提高了3%,尤其对微细粉尘效果显著,2μm粉尘穿透率相对下降了47%。

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2、

For this reason the author decide to put forward a metal cored self-shielded flux-cored wire, in this way the author expect to ameliorate the problem of welding fume and increase the welding efficiency.

为此笔者提出了金属粉芯自保护药芯焊丝构想,以此改善自保护药芯焊丝烟尘较大的问题和提高焊接效率。

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3、

VH series ding smoke forare special for welding fume Produced by the welding site.

VH系列焊烟净化器,主要收集车间焊接现场所产生的有害致癌焊接烟尘.

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4、

Also, the characteristic, filtration and vent of welding fume is described.

并讲述了焊接烟尘的特点 、 过滤与排出.

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5、

On Direct Method of Sample Preparation for Analyzing Welding Fume Using TEM

电镜分析焊接烟尘的直接采样法研究

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6、

determination and analysis of total dust concentration and respirable dust concentration in welding fume

电焊烟尘中总粉尘与呼吸性粉尘浓度的测定与分析

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7、

present situation and prospect about reducing welding fume of lime titania type electrode

关于降低钛钙型焊条焊接烟尘研究的现状及展望

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8、

During this subject research the author mainly investigate and examine the self-shielded mechanism base on mix metal powder such as C-Mn-Si or C-Al-Si, which without fluoride and produce little slag and fume during welding.

笔者在本课题研究中着重论证并考察了C-Mn-Si与C-Al-Si等不含氟化物主要依靠合金元素实现的非造渣型自保护机制。

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9、

Fume harm and its protection in aluminum alloy MIG welding process

铝合金MIG焊过程中的烟尘危害和防护

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