Number of views: 7188 Author: Aili Industry Release time: 2027-01-02 Source: Ai Li Industrial
Does the chemical filter section need to be reselected when the fresh air volume changes seasonally?
When the MAU fresh air volume changes with the seasons, the flux, resistance, target gas effect and cumulative load of the chemical filtration section should be rechecked, but it is not necessarily necessary to change the model every time. Whether to adjust or not should be judged based on the original design scope and actual working conditions. Seasonal changes affect not only air volume, but also temperature, humidity and outdoor pollution concentration.
1. Air volume and environment change together
Seasonal changes may alter both temperature, humidity, and outdoor pollution inputs. Just looking at the decrease in air volume, it cannot be directly inferred that the life of the filter element must be extended.
The fresh air volume may be increased in summer and decreased in winter. At the same time, outdoor humidity, pollutant concentration and temperature are also changing. When the air volume decreases, if the inlet concentration increases, the cumulative load may not decrease. To determine whether adjustment is needed, you should also look at the air volume, concentration and operating time. Aili Industry isWhen selecting chemical filters, confirm the filter section configuration according to seasonal operating conditions.The box-type chemical filter can check the flux according to the MAU fresh air volume range. The relationship between levels and filtering requirements can be found inISO cleanliness level comparison。
2. Check the actual operating range
Check the relative efficiency, fan margin and pressure loss when the air volume is high, and confirm the distribution and air demand when the air volume is low. When the verified range is exceeded, additional evaluation and testing should be performed.
Each filter section has a design operating range. If seasonal air volume changes exceed the original design range, resistance, fan residual pressure and gas effects need to be rechecked. Aili Industry isIn the FFU chemical filter package, check the operating conditions of the filter section according to the actual air volume range.The structure of the V-type chemical filter can evaluate the pressure loss performance when the air volume changes. The relationship between air volume and resistance can be referred toHEPA FAQs and Selection Guide。
3. Examples of project judgment
After the fresh air volume is increased in summer, the inlet humidity and load can be recorded simultaneously, and the outlet performance can be checked before deciding to adjust the configuration.
After the air volume is increased, the inlet humidity may increase at the same time, and the medium state and resistance may change. Recording these conditions and then judging whether the configuration needs to be adjusted is more reliable than just looking at the air volume numbers.
4. Application Check Points
Check items |
Confirm key points |
|---|---|
Seasonal data |
Record air volume, temperature and humidity |
inlet load |
Compare pollution changes |
Operating range |
Check product conditions |
Adjustment basis |
Combine outlet and fan |
5. Verification and subsequent use
After the filter section is added or adjusted, the actual air supply and target gas should be checked separately. Recording fan settings, air volume, and temperature and humidity can help explain subsequent changes. Gas effects, particle requirements and room airflow each have corresponding methods, and passing one of them cannot replace the acceptance of all.
Aili Industry isIn the chemical filter MAU plan, check the filter section configuration according to the seasonal air volume range.Flat-plate chemical filters are suitable for machine sections with limited space. The specific effect is subject to on-site testing.
6. Related questions and answers
Do I need to replace the filter element if the air volume drops?
uncertain. It also depends on the inlet concentration and cumulative load. A decrease in air volume does not mean that the load will necessarily decrease.
Do gas tests need to be done again when the seasons change?
It is recommended to retest when the air volume and inlet conditions change significantly to confirm that the outlet still meets the target.
What should I do if the filter section exceeds the original design air volume range?
It is necessary to additionally evaluate the resistance and gas effects, and adjust the configuration or fan operating parameters if necessary.
7. Related articles
Chemical filter product series
8. Key points for selection and acceptance inspection
Check items |
Check the key points |
|---|---|
Seasonal wind volume |
High air volume and low air volume range |
Entry conditions |
Temperature, humidity and pollution concentration |
Cumulative load |
Air volume × concentration × time |
Fan margin |
Working point after air volume change |
Export verification |
Gas detection under actual working conditions |
9. Aili Industrial products and equipment supporting equipment
Aili Industry provides chemical filters and clean air supply equipment selection and matching, and can check the air-conditioning box matching based on fresh air gas, filter section location, fan residual pressure and maintenance channels. The manufacturing and supporting system covers the independent research and development and production of motors and fans, control systems, sheet metal, air filters and complete machine assembly, making it easy to jointly confirm the filter section, power and structural conditions. The specific gas effect, environmental suitability and service life still need to be verified based on the corresponding configuration data and actual working conditions.
learnMAU box-type chemical filter , check the product and air supply matching according to the project conditions. Clarify the goal → Check the conditions → Verify the effect → Arrange maintenance.
