Anti-overflow cofferdam for chemical container group

Abstract

The invention belongs to the technical field of safety engineering, and particularly relates to an overflow cofferdam for chemical container groups. The overflow cofferdam comprises a plurality of cofferdam bodies which are adjacently arranged. A common embankment wall between any every two adjacent cofferdam bodies is provided with an overflow opening, each overflow opening is internally provided with a lifting gate, floating bodies are fixed to the upper portions of two side door faces of each lifting gate, and the average density of the lifting gates and the floating bodies on the two sides is smaller than the medium density of each chemical container. The overflow cofferdam has the beneficial effects that the factory area is fully utilized through the buoyancy principle, the containers of the cofferdam are effectively utilized, leaked liquid medium is prevented from overflowing to a factory safety area, the hazard area is effectively reduced, and safety is high.

Description

technical field [0001] The invention belongs to the technical field of safety engineering, and in particular relates to an overflow prevention cofferdam for chemical container groups. Background technique [0002] In the "Code for Fire Protection of Building Design", "Technical Regulations for Layout Design of Chemical Plants and Equipment" and "Code for Fire Protection Design of Petrochemical Enterprises", it is stipulated that any liquid dangerous chemical container, as long as the stored material is toxic, corrosive or flammable Explosive hazards, cofferdams should be set around the container area, and anti-corrosion floor tiles should be laid for the cofferdams in the corrosive material container area. Among them, different types of containers should not share a cofferdam area. If the adjacent containers are difficult to separate, when cofferdams are set up separately, dikes must be provided between the containers. That is to say, in the chemical plant area, often due t...

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Problems solved by technology

[0003] No electrical equipment shall be installed in the cofferdam, and the effective volume in the cofferdam shall not be smaller than the largest container of the container in the cofferdam. Therefore, when a container leakage accident occurs, there is no automatic detection equipment, so it cannot be monitored, and the materials transported by the pipeline are often If it does not stop, it will often slowly overflow beyond the cofferdam, causing the liquid to flow to the factory area, expanding the scope of harm and posing a greater safety hazard

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