What is the working pressure of the air compressor for fountain gas explosion generally set?

In a fountain gas explosion system, the working pressure setting of the air compressor needs to be comprehensively determined based on equipment characteristics and effect requirements. The following is a detailed explanation based on technical principles and industry practices:

1. Core pressure setting principles

1. Base pressure range
   Fountain gas explosion usually relies on the instantaneous release of compressed air to generate a shock wave, and its working pressure is generally set to0.6 to 0.8 MPa (MPa)between. This scope can take into account the following needs:
   • Impact protection: Ensure that the gas explosion effect is significant and the expected water column height and diffusion range can be formed.
   • device security: Avoid overloading pipelines, valves and other components due to excessive pressure and reduce the risk of leakage or rupture.
2. dynamic adjustment mechanism
   • small fountains: If the scale of the gas explosion is small (such as the water column height is less than 5 meters), the pressure can be set to0.6 to 0.7 MPaBalance effect and energy consumption.
   • large fountain: Pressure adjustable for scenarios requiring higher impact forces (e.g. water column heights greater than 10 meters)0.7 to 0.8 MPa, but equipment withstand pressure testing needs to be strengthened.

2. Key basis for pressure setting

1. Gas explosion device specifications
   • Air storage tank capacity: The larger the volume of the air tank, the higher the pressure is needed to store enough energy. For example, a 50-liter gas storage tank may require 0.7 MPa, while a 100-liter tank may require 0.8 MPa.
   • nozzle diameter: The smaller the nozzle diameter, the higher the pressure is needed to maintain the injection speed. Generally, for every 1 mm reduction in nozzle diameter, the pressure requirement increases by approximately 0.05 MPa.
2. system response time
   • Rapid start-stop needs: If the gas explosion response time is required to be less than 0.5 seconds, set the pressure to0.7 to 0.8 MPato ensure that air fills the air tank quickly.
   • Smooth running scenarios: If there are no strict requirements on response time, the pressure can be set to0.6 to 0.7 MPato reduce equipment wear.

3. Safety and maintenance requirements

1. pressure monitoring
   • Pressure sensors and safety valves need to be installed to monitor pressure fluctuations in real time. If the pressure exceeds 0.85 MPa, the safety valve should automatically relieve the pressure to prevent equipment damage.
2. regular testing
   • withstand voltage test: Conduct pressure testing on gas tanks and pipelines every six months to ensure that they can withstand 1.5 times the working pressure (i.e. 1.2 to 1.5 MPa).
   • leak check: Use soapy water to test the connections every month to prevent insufficient pressure or safety hazards caused by leaks.

4. Suggestions for adjustment of special scenarios

1. low temperature environment
   • In scenarios where the temperature is below 0 ° C, the pressure needs to be reduced0.05 to 0.1 MPa, to prevent moisture in the air from freezing and clogging the pipes.
2. high altitudes
   • For every 1000 meters increase in altitude, the atmospheric pressure drops by about 0.01 MPa, and the output pressure of the air compressor needs to be increased accordingly.0.02 to 0.03 MPa, to compensate for air pressure losses.

conclusion: The working pressure of the air compressor of the fountain air explosion system is generally set to0.6 to 0.8 MPa, the specific value needs to be dynamically adjusted according to the specifications of the gas explosion device, system response requirements and environmental conditions. In practical applications, pressure monitoring and regular maintenance need to be combined to ensure safe and efficient operation of the system.