Sealing principle of gas pressure fan
Date of issue:2023/6/3 14:58:24 Number of Views:
Structure and components of gas pressure fan:
The fan is a plate-welded monolithic structure, mainly composed of the following components:
1. Impeller. The impeller is the heart of the whole fan, so the blade type is optimized according to the new high efficiency fan theory. The material is stainless steel or alloy according to different needs, which has strong corrosion resistance and sufficient strength. After impeller forming, static. Dynamic balance correction accuracy is G4 level (higher than the national standard G6.3 level).
2. Shell. The high quality carbon steel is welded with the base to ensure the rigidity of the whole machine. The shell is coated with epoxy resin to enhance corrosion resistance. The upper part of the shell is provided with G3/4 "steam pipe interface, the lower part is provided with G3/4" blowdown valve; Fan inlet and outlet flanges adopt standard flanges to facilitate customer's pipe connection.
3. Sealing group. This seal mainly uses soft packing and centrifugal seal, seal without wearing parts, simple structure, especially reliable effect, easy to replace. 4. Motor. The supporting motor of this machine is Y series or explosion-proof motor, explosion-proof grade of motor dⅡBT4, protection grade IP44.
Normal operation of gas pressure fan: In addition to replacing the lubricating oil after each disassembly, the lubricating oil should be replaced regularly. E transmission bearing seat should be checked regularly (quarterly), clean and add lubricating oil to prevent the bearing from burning. When the fan is running, stopping or running, if any abnormal phenomenon is found, it should be checked immediately. If a minor fault is found during the inspection, find out the cause in time and try to eliminate or deal with it. If a minor fault cannot be eliminated or a major fault is found, check it immediately. Check the sensitivity of the thermometer and oil mark regularly, and control the amount of oil in the bearing box within the specified allowable range. If the flow is found to be too large to meet the use requirements, or a small flow is needed in a short period of time, you can use the throttle device to adjust.
Gas pressure fan is a new gas discharge machine developed according to the development trend of two-stage gas furnace and combined with single-stage gas furnace, which effectively solves the problem of relying on imported or Roots fan for a long time with high noise flow and can not be adjusted. It is suitable for gas pressurization in factory and mine gas station, blast furnace, coke oven, converter gas pressurization, ammonia, biogas and other gas with strict gas tightness.
In the process of use, the user should try to purify the gas entering the blower in advance, otherwise it will play a chemical role, produce corrosion or excessive coal tar, affect the normal operation, and even cause damage accidents. After the machine is installed (or stopped for a long time), test run the gas first to ensure that the gas transport is completely normal.
Gas pressure fan is specially suitable for coke oven, converter gas pressure, ammonia gas and other gas-tight gas, specially for metallurgy, chemical industry and other fields of gas pressure transportation. This type of fan has the characteristics of low noise, smooth performance curve, large flow regulation area, high efficiency, low energy consumption, sealing and leakage. The fan can be rotated clockwise or counterclockwise, and the exit Angle is 0 degrees, 90 degrees and 180 degrees respectively.
Structure and components of gas pressure fan:
The fan is a plate-welded monolithic structure, mainly composed of the following components:
1. Impeller. The impeller is the heart of the whole fan, so the blade type is optimized according to the new high efficiency fan theory. The material is stainless steel or alloy according to different needs, which has strong corrosion resistance and sufficient strength. After impeller forming, static. Dynamic balance correction accuracy is G4 level (higher than the national standard G6.3 level).
2. Shell. The high quality carbon steel is welded with the base to ensure the rigidity of the whole machine. The shell is coated with epoxy resin to enhance corrosion resistance. The upper part of the shell is provided with G3/4 "steam pipe interface, the lower part is provided with G3/4" blowdown valve; Fan inlet and outlet flanges adopt standard flanges to facilitate customer's pipe connection.
3. Sealing group. This seal mainly uses soft packing and centrifugal seal, seal without wearing parts, simple structure, especially reliable effect, easy to replace. 4. Motor. The supporting motor of this machine is Y series or explosion-proof motor, explosion-proof grade of motor dⅡBT4, protection grade IP44.
Normal operation of gas pressure fan: In addition to replacing the lubricating oil after each disassembly, the lubricating oil should be replaced regularly. E transmission bearing seat should be checked regularly (quarterly), clean and add lubricating oil to prevent the bearing from burning. When the fan is running, stopping or running, if any abnormal phenomenon is found, it should be checked immediately. If a minor fault is found during the inspection, find out the cause in time and try to eliminate or deal with it. If a minor fault cannot be eliminated or a major fault is found, check it immediately. Check the sensitivity of the thermometer and oil mark regularly, and control the amount of oil in the bearing box within the specified allowable range. If the flow is found to be too large to meet the use requirements, or a small flow is needed in a short period of time, you can use the throttle device to adjust.
Gas pressure fan is a new gas discharge machine developed according to the development trend of two-stage gas furnace and combined with single-stage gas furnace, which effectively solves the problem of relying on imported or Roots fan for a long time with high noise flow and can not be adjusted. It is suitable for gas pressurization in factory and mine gas station, blast furnace, coke oven, converter gas pressurization, ammonia, biogas and other gas with strict gas tightness.
In the process of use, the user should try to purify the gas entering the blower in advance, otherwise it will play a chemical role, produce corrosion or excessive coal tar, affect the normal operation, and even cause damage accidents. After the machine is installed (or stopped for a long time), test run the gas first to ensure that the gas transport is completely normal.
Gas pressure fan is specially suitable for coke oven, converter gas pressure, ammonia gas and other gas-tight gas, specially for metallurgy, chemical industry and other fields of gas pressure transportation. This type of fan has the characteristics of low noise, smooth performance curve, large flow regulation area, high efficiency, low energy consumption, sealing and leakage. The fan can be rotated clockwise or counterclockwise, and the exit Angle is 0 degrees, 90 degrees and 180 degrees respectively.