Chemical oxygen fire self-rescue respirator protective performance testerCoal mine self-rescue respirator protective performance tester
1. Uses: 1) Experimental purpose: The respirator can ensure the normal breathing performance of the human body (inspiratory composition, inspiratory temperature, breathing resistance, etc.) within the protective time, in line with GA411-2003, GB24502-2023, GA209
Second, technical indicators.
1. The principle of the test device is consistent with Table 1 of the standard GA 411-2003, and meets the test conditions in the following table;
2. The device is composed of a ventilator, an air flow meter, a constant temperature humidifier, a sealed box and corresponding pipelines;
3. Pressure control accuracy: +2 of the upper limit of the test pressure value, -1 of the lower limit;
4. Rotameter 02-2l/min;Wet flow meter 200L h (minimum scale 0.)01l)
5. Differential pressure measurement range: 0-5000pa; Accuracy 05%;
6. Humidity measurement range: 20% 100%RH, accuracy 3%;
7. Temperature measurement range: inlet 0 100, outlet 0 100, resolution 01℃;
8. Oxygen concentration analyzer (zirconia): range 0-100%vol, accuracy 2%.
CO: Infrared analyzer, range 0-10%, accuracy 02%
8. The equipment is equipped with artificial lungs
Adjustable respiratory rate range: 5 min 40 min
Adjustable range of respiratory flow: 2 l min 100 l min
9. Sampling pump: the flow rate is not less than 3L min
10. Buffer bag 2L
11. CO2 flowmeter: 001m³/h~0.1 m³/h
12. The equipment is equipped with 1 set of humidification device, which is used for humidity adjustment of test gas and exhaled gas. The humidifier tank is made of 304 stainless steel and is equipped with a double float level switch to provide a high and low liquid level alarm function.
13. The equipment is equipped with a suction cooler, and the circulating cooling water is used to cool the inhaled gas.
Configuration Checklist:
The function and function of the protective performance tester of chemical oxygen fire self-rescue respirator.
The protective performance tester of chemical oxygen fire self-rescue respirator is mainly used to test and evaluate the durability, filtration efficiency, sealing and seismic resistance of respirators in specific environments. It can simulate the real working scene and perform a variety of complex tests on the respirator, such as air tightness test, resistance test and filtration efficiency test, etc., to ensure the stability and reliability of the respirator during use.
The principle and structure of the protective performance tester of chemical oxygen fire self-rescue respirator.
The protective performance tester of chemical oxygen fire self-rescue respirator adopts advanced airflow dynamics principle and professional sensor technology to test the respirator through a constant flow of airflow. It is composed of an air supply module, a flow regulation module, a sensor module, and a data analysis and processing module. Among them, the air source module is responsible for providing stable airflow, the flow adjustment module can accurately adjust the flow rate according to different test needs, the sensor module monitors the parameters of the respirator in real time, and the data analysis and processing module analyzes and processes the test data and outputs the test results.