Chemical oxygen fire-fighting self-rescue respirator

Abstract

The invention discloses a chemical oxygen fire-fighting self-rescue respirator. The chemical oxygen fire-fighting self-rescue respirator comprises an oxygen reaction tank, a connecting pipe, a mask and an air storage bag, a tank body is filled with an oxygen regenerant, an upper plate is arranged above the regenerant, expiration through holes are formed in the upper plate, expiration one-way valves are arranged in the expiration through holes, and expired air is allowed to enter the tank body in a single direction; a plurality of air outlets are formed in the bottom of the tank body; and an inspiration through hole is formed in the pipe wall, in the air storage bag, of the connecting pipe, an inspiration one-way valve is arranged in the inspiration through hole, and oxygen in the air storage bag is allowed to be inhaled into the mask. The respirator is more ingenious and reasonable in structure, the problem that high-temperature oxygen generated in the reaction tank can directly enter the respirator through holes in the upper plate of the tank body of the reaction tank when a user inhales is fundamentally solved, meanwhile, the airflow direction in the reaction tank is straightened out, the efficiency of the reaction tank and the breathing smoothness are improved, the temperature of oxygen during inhalation is also reduced, and the safety of the respirator is greatly improved.

Description

technical field [0001] The invention relates to a respirator, in particular to a chemical oxygen fire-fighting self-rescue respirator. Background technique [0002] Chemical oxygen fire self-rescuers are usually used when fires or other dangerous situations occur in public places, such as hotels, entertainment venues, mines, military equipment, etc. Including the tank body of the oxygen reaction tank, the mesh partition, the breathing mask, the suction pipe, and the one-way valve. The core is the oxygen reaction tank; the current structure of the oxygen reaction tank is that the top plate of the reaction tank is composed of a plate with holes on the surface, and the KO 2 Put it into the tank, exhale carbon dioxide and water and KO 2 The reaction generates oxygen, and there are several defects in this oxygen reaction tank as follows: [0003] 1. The inside of the tank is connected to the breathing mask through the hole on the top plate, and the exhaled carbon dioxide and w...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a chemical oxygen fire-fighting self-rescue respirator with a more ingenious and reasonable structure, which fundamentally solves the problem that the high-temperature oxygen generated in the reaction tank can directly pass through the upper plate of the reaction tank when the user inhales. The hole directly enters the breathing mask. At the same time, the airflow direction in the reaction tank is straightened out, and all oxygen needs to pass through the air storage bag to enter the breathing mask. This not only increases the efficiency of the reaction tank and the fluency of breathing, but also reduces The temperature of oxygen during inhalation is improved, which greatly increases the safety of the respirator

Images