A double-layer explosion-proof fire extinguisher
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 浙江超亿消防装备有限公司
- Publication Date
- 2021-05-21
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Abstract
Description
Technical field
[0001] The present invention relates to a double-layer explosion-proof fire extinguisher.Background technique
[0002] The fire extinguisher is a portable fire extinguishing tool. Place chemicals in the fire extinguisher to save the fire. The fire extinguisher is one of the common fire facilities. Where to store in public places or may have a fire, the components of different types of fire barrels are different, which is designed for different fire alarms. Be careful to avoid anti-effect and danger.
[0003] In addition, the cracks in the surface weld area in the entire fire extinguisher bottle are more severe, and most of them appear on the ring weld, there is no plastic deformation of the crack fracture, exhibiting a typical brittle crack. Most of the cracks are shallow and long surface cracks, and there is a significant branch, the main cracks are vertical in the direction of the weld, especially in the arc of manual arc welding, and the T-joint and the head seam and simpli...