@air
2025-04-17

Air compressor intake dust content requirements

The requirements for dust content in air compressor intake vary depending on application scenarios and industry standards. The following is your detailed explanation:

1. Core requirements standards

application scenarios Dust content requirements particle size limitation typical industries
General industrial scenarios ≤1 mg/m³(0.001g/m³) Mechanical manufacturing, general pneumatic tools
High cleanliness needs ≤0.1 mg/m³ ≤0.1 μm Semiconductor manufacturing, precision instruments
textile and chemical fiber ≤1 mg/m³ ≤3-5 μm Loom air supply, chemical fiber production
medicine/food ≤0.1 mg/m³(Class 1) ≤0.1 μm Aseptic packaging, drug production
laser cutting ≤0.1 mg/m³ Metal processing, precision cutting
dental clinic ≤0.01 μm filtration accuracy Oral equipment, pneumatic drill drive

2. International standard reference (ISO 8573-1)

  • dust level: Divided into 7 levels, of which:
  • Class 1: ≤0.1 mg/m³ (corresponding particle size ≤0.1 μm)
  • Class 2: ≤1 mg/m³ (corresponding to particle size ≤1 μm)
  • Class 4: ≤5 mg/m³ (commonly used in general industries)

3. Impact of exceeding the standard and solutions

  1. main harm
  • lubrication pollution: Dust and lubricating oil mix to form coke, causing cylinder pulling and lubrication failure.
  • equipment wear: Hard particles wear bearings and rotors, shortening equipment life (Case: A ceramic factory caused the air compressor to be overhauled twice in 3 years due to excessive dust).
  • Reduced energy efficiency: The clogging of the cooler increases the exhaust temperature and increases energy consumption by 15%-20%.
  1. prevention and control measures
  • Filter upgrades
  • Primary filtration: Install a G4 level pre-filter (intercepts ≥5 μm particles).
  • Precision filtration: Equipped with F9-level bag filter (intercepts ≥1 μm particles).
  • intelligent monitoring: Install a differential pressure sensor to detect the filter status in real time (a chemical factory saves filter element costs by 120,000 yuan/year through Internet of Things monitoring).

4. Testing methods and tools

  1. portable detection instrument
  • Principle: Laser scattering method or infrared sensing displays the dust content in real time (accuracy ±0.01 mg/m³).
  • Applicable scenarios: mobile air compressors, temporary operating points.
  1. laboratory analysis
  • Filter membrane weighing method: After sampling, dry the filter membrane and weigh the dust quality (detection period: 24 hours).
  • dust particle counter: Count the number of particulate matter by particle size (in compliance with ISO 14644 standard).

5. Industry practical suggestions

  1. Selection matching
  • Environments with dust concentration>50 mg/m³ (such as cement plants) requireNanofiber filter element(Filtration efficiency 99.97%).
  • Low temperature and high humidity environment, increasingcyclone separatorPretreatment of bulk impurities.
  1. maintenance strategy
  • Check the air filter every 1000 hours and replace it when the pressure difference is>0.7 bar.
  • Reverse purge the cooler fins with compressed air every quarter.

By strictly controlling the dust content in the intake air, the life of the air compressor can be extended by more than 30%, and maintenance costs can be reduced by 25%. It is recommended that companies establish an air quality management system based on ISO standards and regularly test and record dust content data.

Welcome!

Related Articles:
@air
2025-03-12

What is the function of permanent magnet air compressor

Permanent magnet air compressors play a variety of important roles in industrial production. The following is a detailed summary: 1. Provide stable and high-quality compressed air Permanent magnet air compressors use permanent magnet synchronous motor to drive the compressor to compress air through components such as blades or screws. This compressor can provide stable and […]

@air
2025-06-05

What is the air compressor for?

An air compressor is a core equipment that compresses air to increase its pressure. Its essence is a device that stores gas pressure energy through mechanical energy conversion. The following is from the three dimensions of functional principles, technical characteristics and cross-industry applications, in professional and popular terms…

@air
2025-03-12

How to see if the compressor is variable frequency

To determine whether the compressor is variable frequency, you can observe and judge from the following aspects: 1. Check the product logo Packaging box or product: Inverter air conditioners usually clearly mark the words “inverter”, “Inverter” or “DC” on the packaging box or product. Name plate information: The nameplate of the compressor or air conditioner […]

@air
2025-07-02

Should the air compressor room be anti-static?

Anti-static measures need to be taken in the air compressor room. The air compressor room is a place for storing and operating air compression equipment. Its environmental characteristics and equipment operation requirements determine the necessity of anti-static measures. The following are electrostatic hazards, environmental risks and protection requirements…

@air
2025-03-27

Can the workshop machine tool be used without starting air compressor?

Air compressors are an indispensable part of most modern machine tools. If your machine tool relies on a pneumatic system, not activating the air compressor will severely limit the function; if it is a purely electric or hydraulic machine tool, it can operate independently. It is recommended to confirm specific needs according to the equipment manual and formulate emergency plans.