To purchase the pressure air self-rescue device, please contact Jining Dongda Electrical and Mechanical Manufacturing Co., Ltd.

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Overview of pressure air self-rescue device
Pressure air self-rescue device (coal safety certificate number) is mainly used for disaster relief and protection in coal mines. When an accident or harmful hazard occurs underground in a coal mine, When the gas causes workers to be unable to breathe normally, workers can enter the nearby compressed air self-rescue device to avoid disasters. The fresh air delivered by the compressed air self-rescue device allows disaster evacuation personnel to breathe easily for a long time, achieving safe disaster avoidance and stable work mood. the goal of. Under normal circumstances, the number of pressure air self-rescue devices installed underground shall not be less than one-third of all underground personnel. The pressure air self-rescue device has the functions of decompressing, silencing, flow adjustment, and filtering oil and water of the pressure air gas. It has the characteristics of easy installation, beautiful appearance, long service life, low noise, fresh and hygienic air, etc. To purchase the compressed air self-rescue device, please contact Jining Dongda Electromechanical Manufacturing Co., Ltd. Respirator air supply range
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Respirator adjustment pressure range
(manual pressure adjustment)
Air supply method
Ground system air supply or independent pump station Air supply
Silencing ability
Operation method
Manual rapid air supply
Protection method
Self-priming filter mask
To purchase the pressure air self-rescue device, please contact Jining Dongda Mechanical and electrical professional production
Contact person Sun Xiao
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Working principle of pressure air self-rescue device
Pressure air self-rescue device The self-priming filter mask is worn directly on the mouth for breathing, and is connected through a spring hose, which does not affect the user's line of sight. The spring hose can be freely expanded and contracted, and the user can move freely within the expandable range of the spring hose.
The air supply to the compressed air self-rescue device generally adopts the mine compressed air pipeline.
Jining Dongda Mechanical and Electrical Co., Ltd. always focuses on the guiding ideology of the National Coal Mine Safety Supervision Bureau on coal mine safety, takes coal mine safety as its own responsibility, and builds safety product air pressure self-rescue devices to eliminate potential safety hazards in coal mines. We always insist on taking science and technology as the primary productive force, and the quality of the air pressure self-rescue devices we produce is the basis of our lives, and we insist on relying on the power of science and technology to continue to develop. The company relies on the strength and advantages of scientific research institutes such as Nanjing Design Institute, Jinan Design Institute, China University of Mining and Technology, Shandong University of Science and Technology, and Beijing Coal School, and aims at a high starting point, high quality, and high-tech content for the pressure air self-rescue device, and is committed to coal mine safety and energy conservation. , development, production, sales and technical services of high-efficiency, environmentally friendly electromechanical products, pressure air self-rescue devices. Jining Dongda Mechanical and Electrical Co., Ltd. now has ten series and more than 40 varieties of products. The main products are pressure air self-rescue device
Structure of pressure air self-rescue device
The pressure air self-rescue device is a new type of isolated gas respiratory protection device. This device has six groups in a box (groups can be designed according to requirements) , can be used by six people at the same time to achieve the effect of taking care of each other.
The pressure air self-rescue device consists of a box, a mounting plate, an air inlet pipe, a door lock, a respirator (multiple groups), etc. The box body, mounting plate and air inlet pipe are made of stainless steel. The respirator is installed in the box and consists of a regulating valve, a pressure reducing filter valve, a spring hose, a self-priming filter mask, etc. The pressure reducing filter valve filters impurities, water and oil in the air, reduces pressure air noise, and can accurately adjust and control the air supply pressure so that workers can breathe unimpeded, smooth and comfortable.