Mobile type long tube respirator for a long time in the production of hazardous gas production operations and personnel in hypoxia, full of toxic and harmful gases in the environment of disaster relief personnel to provide respiratory protection, consists of a mobile cart and emergency escape cylinders for 2 people at the same time, a work area up to 50 meters.
The mobile source is composed of 4 cylinders composed of 2 independent groups between the 2 groups of cylinders, cylinder and regulator controlled by one-way valve, high-pressure gas reflux will not produce flow backward in the 2 group cylinder room. The cylinder can be opened for use only and set by group. It can also be opened and used at the same time. It is free to be determined according to the specific needs. Each cylinder has a relief valve, which can release high pressure gas in the high-pressure pipe, which is easy to replace the cylinder, but it will not release the low pressure gas at the outlet of the pressure reducer and the gas in another group of cylinders.
The mobile source and escape through the waist cylinder valve combination, the direct use of gas moving air under normal conditions. When an emergency needs to be evacuated quickly, the escape cylinder valve can be opened and evacuated to the safety zone.
The mobile source is equipped with 30 meters gas supply pipe 1, 10 meters of gas supply pipe 2, the maximum overlap length of 50 meters. The 30 meter tube is equipped with a Y - type three - pass, which can be used for 2 people to use the compressed air of the mobile gas source at the same time.
The method of use, remove the special waist straps, according to the wearer's body, adjust, make the waist belt strap, valve, escape bottle position on both sides of the waist of the human body (note the waist valve in the direction toward the top of the socket should be fast, comfortable to wear, not) to prevent arms activity is advisable. The fast moving air supply pipe socket from the bottom to the top is inserted into the quick plug valve on the waist, and then plug the mask - supply valve inserted into the socket on the valve quick waist joint, can also be mobile source and mask before wearing waist straps first wife waist valve directly. Open the gas cylinder valve of the mobile gas source, wear the respirator, and breathe freely back into the work site.
At the same time as the use of 2 people, 2 people should be completely worn together after entering, and keep the distance and direction, to prevent the occurrence of mutual pull and unexpected supply pipe.
The long tube respirator use personnel should be fully trained before wear. Before use, we should check whether the pressure of each gas source meets the working pressure requirements, and strictly wear routine inspection. It is found that respirator, mobile gas source and escaping gas source are malfunction or hidden danger, so they must not be forced to put into use. During the course of operation, such as inadequate gas supply, poor breathing or other discomfort, evacuate the scene immediately or evacuate the gas source.
The use of the process, should be properly protected long long tube respirator mobile source, gas supply pipe and avoid long, sharp angle, corrosive medium contact or friction and roughness in drag, prevent break, scratch, scratch the supply pipe. If the corrosive medium is inadvertently exposed to corrosive medium, clean and dry clean water should be used immediately, such as the damage of the gas supply pipe and the immediate replacement after the damage.
If the long tube respirator cart can not follow the use of personnel should be arranged to close monitoring personnel monitoring, in order to check the gas source, gas source is depleted in warning and accident notification personnel.
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