焊接车间除尘器设备，也叫集中式焊接烟尘净化器。在车间内铺设管道，每个焊接源都设有吸气臂或集气罩，方便进行源头吸尘。

Welding workshop dust collector equipment, also known as centralized welding smoke and dust purifier. Lay pipelines in the workshop, and each welding source is equipped with suction arms or gas collection covers to facilitate source suction.

集气罩适用于大工位的焊烟净化工作，并且有利于工位固定的焊烟收集；

The gas collection hood is suitable for the purification of welding fumes at large workstations and is conducive to the collection of welding fumes at fixed workstations;

吸气臂适用于小工位的焊烟净化工作，可灵活调节吸气臂的位置和角度来满足收集焊烟要求。适用于焊接点较灵活的工况。

The suction arm is suitable for welding smoke purification work in small workstations, and the position and angle of the suction arm can be flexibly adjusted to meet the requirements of collecting welding smoke. Suitable for working conditions with flexible welding points.

车间焊烟除尘设备焊烟捕集方式

Workshop welding smoke dust removal equipment welding smoke collection method

吸气臂捕捉方式

Aspiration arm capture method

在吸气罩的位置上设计了独特的旋转机构，保证了吸气罩能够通过任意方位对准焊接位置。吸气罩通过流体设计和气流模拟，使吸气臂能够最大量和最大范围的捕捉焊接过程中产生的烟尘。

A unique rotating mechanism has been designed in the position of the suction hood, ensuring that the suction hood can be aligned with the welding position in any direction. The suction hood utilizes fluid design and airflow simulation to enable the suction arm to capture the maximum amount and range of smoke and dust generated during the welding process.

适用范围：

Applicable scope:

吸气臂的吸风罩尺寸为φ150-170，适合处理焊缝长度不超过100mm的焊接，工人焊接位置固定的情况。焊接方法适合手工电弧焊CO2气体保护焊MAG焊MIG焊。

The size of the suction hood of the suction arm is φ 150-170, suitable for welding seams with a length not exceeding 100mm, and for situations where the worker's welding position is fixed. The welding method is suitable for manual arc welding, CO2 gas shielded welding, MAG welding, and MIG welding.

顶吸罩

Top suction hood

顶吸罩为了能够捕捉在一个工位上产生的任意粉尘，其尺寸为设计成覆盖工件所有的焊接位置，顶吸罩的外形为四凌台形，每一面与地面的夹角不小于45°，为了避免横向气流的干扰，通常会在吸气罩的侧边挂挡弧帘。

In order to capture any dust generated at a workstation, the size of the top suction hood is designed to cover all welding positions of the workpiece. The shape of the top suction hood is a four sided platform shape, with each side at an angle of no less than 45 ° to the ground. To avoid interference from lateral airflow, a blocking arc curtain is usually hung on the side of the suction hood.

顶吸气罩适用于焊接位置固定，焊接位置较多的情况，工人可以在吸气罩覆盖的范围内自由的焊接，产生的焊接烟尘都能够顺利的捕捉，达到很高的捕捉效率。

The top suction hood is suitable for situations where the welding position is fixed and there are many welding positions. Workers can freely weld within the range covered by the suction hood, and the welding smoke and dust generated can be captured smoothly, achieving high capture efficiency.

顶吸板

Top suction plate

顶吸板的捕捉原理类似于顶吸罩，两者的区别在于，顶吸板为单层结构，采用了气流模拟软件详细的模拟了其气流组织过程，采用圆形吸口的结构，改顶吸罩的双层结构为单层结构，有效的减少了顶吸罩的重量，减低了顶吸罩的压力损失，同时顶吸板的外形也远超顶吸罩。

The capture principle of the top suction plate is similar to that of the top suction cover. The difference between the two is that the top suction plate is a single-layer structure, which uses airflow simulation software to simulate its airflow organization process in detail. The circular suction mouth structure is adopted, and the double-layer structure of the top suction cover is changed to a single-layer structure, effectively reducing the weight of the top suction cover and reducing the pressure loss of the top suction cover. At the same time, the shape of the top suction plate is also much larger than the top suction cover.

焊接车间除尘设计

Dust removal design for welding workshop

焊烟除尘器采用中央式滤筒除尘器适用于烟尘粉尘集中治理，等离子激光切割烟尘治理，打磨抛光粉尘集中治理，新材料加工粉尘集中治理等。可以根据客户不同的现场工况，设计烟尘捕捉装置及管道系统，并选择所需风量的相应型号的除尘器。

The welding smoke dust collector adopts a central filter cartridge dust collector, which is suitable for centralized treatment of smoke and dust, plasma laser cutting smoke and dust, polishing dust, and new material processing dust. We can design smoke and dust capture devices and pipeline systems according to different on-site conditions of customers, and select the corresponding model of dust collector with the required air volume.

焊接车间除尘器设计原则：

Design principles for dust collectors in welding workshops:

根据环保要求，保证该项目对企业周边的空气环境质量影响在允许范围内为原则；

According to environmental protection requirements, the principle is to ensure that the impact of the project on the air environment quality around the enterprise is within the allowable range;

坚持安全经济适用，并兼顾美观设计原则；

Adhere to the principles of safety, economic applicability, and aesthetic design;

选择工艺先进成熟系统稳定可靠管理方便无二次污染的治理技术；

Choose advanced and mature technology, stable and reliable management, convenient and no secondary pollution treatment technology;

对设备仪表等选型本着可靠经济适用的原则。

The selection of equipment and instruments should be based on the principle of reliability, economy, and applicability.

焊接车间除尘器设计内容：

Design content of dust collector in welding workshop:

包括从切割机收尘罩经收尘管至排气筒之间的除尘净化处理设施(工艺设备电气自控等在内)的工程设计安装和调试。

Engineering design, installation, and commissioning of dust removal and purification treatment facilities (including process equipment, electrical control, etc.) from the dust collection hood of the cutting machine to the exhaust pipe.

焊接车间除尘器工作原理

Working principle of dust collector in welding workshop

焊接车间除尘器的净化作用主要是依靠电晕极和沉淀极两个系统来完成。当含尘气体进入进气喇叭口时，含尘气体受到气流分布板以及导流板的调整后，使气流能较均匀地进入电场。在横断面不断扩大的作用下，气流速度迅速降低，其中一些较重的粗颗粒粉尘便失去速度而沉降下来。进入电场的含尘气流由于电晕极通入高压直流电，在阴极和阳极间形成一个相对稳定的高压电场，并在电晕极(本设备是阴极)附近产生电晕现象(放电)，使进入电场的含尘气体被电离。电离后的气体中存在大量的电子和正负离子，这些电子和离子与进入电场的尘粒相结合，使尘粒带电。带电尘粒在电场力的作用下趋向本设备阳极(正极板)和阴极(负极)，附着在阳极上的尘粒释放出电子或负电荷，附着在阴极上的尘粒释放出正电荷后，分别沉积在正负电极上。当粉尘沉淀到一定厚度，通过阴阳极振打系统的振打，将沉积的粉尘振落，进入集灰斗，通过排灰装置放出，回收有用物料，被净化的气体排入大气。

The purification function of the welding workshop dust collector mainly relies on two systems: corona electrode and precipitation electrode. When dusty gas enters the intake horn, it is adjusted by the airflow distribution plate and guide plate to allow the airflow to enter the electric field more evenly. Under the continuous expansion of the cross-section, the airflow velocity rapidly decreases, and some heavier coarse dust particles lose their velocity and settle down. The dusty airflow entering the electric field forms a relatively stable high-voltage electric field between the cathode and anode due to the high-voltage direct current passing through the corona electrode, and generates corona phenomenon (discharge) near the corona electrode (this equipment is the cathode), causing the dusty gas entering the electric field to be ionized. There are a large number of electrons and positive and negative ions in the ionized gas, which combine with the dust particles entering the electric field, making the dust particles charged. Under the action of electric field force, charged dust particles tend towards the anode (positive electrode plate) and cathode (negative electrode) of this equipment. Dust particles attached to the anode release electrons or negative charges, while dust particles attached to the cathode release positive charges and deposit on the positive and negative electrodes respectively. When the dust settles to a certain thickness, it is vibrated by the anode and cathode vibration system to settle the dust and enter the ash collection hopper. It is discharged through the ash discharge device to recover useful materials, and the purified gas is discharged into the atmosphere.

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