1. Soldering fume extractor suction arm capture method
The skeleton of the suction arm is similar to a human arm, and the suction arm can be suspended in the space within the length of the suction arm through the action of the damping rod and the friction plate. A unique rotating mechanism is designed at the position of the suction hood to ensure that the suction hood can be aligned with the welding position in any direction. Through fluid design and airflow simulation, the extraction hood enables the extraction arm to capture the high volumes of fumes and dust generated during welding.
The outer layer of the soldering fume extractor suction arm is a high temperature resistant hose with a diameter of φ160 and is lined with steel wire. On the one hand, it prevents sparks from flying and damaging the hose, and the hose structure ensures that the suction arm can move flexibly without being sucked in by negative pressure. The design flow of each suction arm is typically 1,500-2000 m3/h, and the suction hood is located 250-300 mm above the welding position. The installation of the suction arm must be mounted on the wall or on a post on the ground.
Scope of application:
The size of the suction hood of the suction hood is φ160-230mm, which is suitable for welding with a welding length not exceeding 100mm and a welding position fixed by workers. The welding method is suitable for manual arc welding, CO2 gas shielded welding, MAG welding, MIG.
2. Top suction hood
In order to completely capture the dust generated by the workstation, the soldering fume extractor is designed to cover all welding positions of the workpiece. The shape of the top cover is four ridges, and the angle between each side and the ground is not less than 45.°. In order to avoid the interference of lateral airflow, the arc curtain is usually suspended on the suction side hood.
The top suction range hood is suitable for fixed welding positions, and there are more welding positions. Workers can freely weld within the range covered by the suction hood, and the generated welding dust can be smoothly captured to achieve high capture efficiency.
3. Top suction board
The capture principle of the top suction plate is similar to that of the top suction cup. The difference between the two is that the top suction plate is a single layer structure. The airflow simulation software is used to simulate the airflow organization process in detail, and the circular suction port structure is adopted. The double-layer structure of the cover plate is a single-layer structure, which effectively reduces the weight of the top suction board and reduces the pressure loss of the top suction board. The shape of the top suction board far exceeds the top suction cover.
Soldering fume extractor can choose mobile single-machine purification and multi-station centralized purification system according to the number and layout of on-site sites. Multi-station centralized cleaning: each welding fume is captured by the welding torch capture device (suction arm, top suction hood, top suction plate, etc.), and then sent to the purification host through the ventilation pipe, and the flue gas is purified and discharged into the atmosphere.
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