First, the reason for cleaning
Bacteria in central air conditioning are seriously exceeding the standard.
Because central air conditioning dominates the air metabolism in modern buildings, it is vividly called the "lung" of modern buildings. Lung leaves are delicate and vulnerable to evil invasion, so they are also called "scorched storage". Similarly, central air conditioning is also vulnerable to invasion by dirty bacteria. Long-term operation of central air-conditioning unit makes the ventilation system easy to be polluted and not cleaned in time, leaving a lot of dust, sand, carbonaceous substances and crystals in the pipeline. Once bacteria, fungi, yeast and other microorganisms attach to these dust, it is easy to make people suffer from allergies or respiratory diseases.
Dust accumulated in the air duct is easy to spread germs.
The common Midea central air conditioner is mainly composed of air handling devices and cold and hot air supply pipes. The air handling device is responsible for cold and hot air treatment, and the treated air is sent to each room through the air duct. Because the humidity of the four walls of the air duct is relatively high, particles in the air can easily stick here.
Accumulate over time to form thick dust. These dust deposits have become a paradise for bacteria to breed, because there are nutrients they need for survival, suitable temperature and humidity, and bacteria will live, reproduce and spread happily here. Long-term operation of central air conditioning leads to rust, scaling and corrosion on the inner wall of chilled water system pipeline; Lead to pipeline aging and damage; In particular, the inner wall of the copper tube of the fan coil is rusted and scaled; As a result, water flow decreases, heat exchange efficiency decreases, refrigeration and heating are poor, and energy consumption increases. The inner wall of cooling water pipeline is rusted, scaled and corroded, which leads to the aging and damage of the pipeline. Scaling of cooling tower packing and water distribution pipe leads to reduced water flow, poor heat dissipation effect and increased energy consumption. Second, the causes of central air conditioning ventilation system pollution
1. After the main structure of the building is completed, it will enter the stage of system and equipment installation. Because the ventilation ducts are not installed continuously, the openings of each duct are exposed to the environment with high dust content for a long time, and a layer of construction dust is deposited on the inner wall of the duct. At the same time, some building materials are often scattered and left in the air duct, and even lunch boxes left by overalls are sometimes found in the air duct.
2. Because the efficiency of the screening program is less than 100%, the dust entering the air duct from outside during the system operation,
Part of the dust in the outdoor atmosphere enters the air duct (improper setting of the new air outlet will aggravate the pollution of the air duct), which will become dust pollutants in the air duct over time, and the air passing through these air ducts will be sent indoors after being polluted, polluting the air and causing the spread of diseases. Third, the central air conditioning cleaning method
1. Conduct indoor air sampling detection and analysis for rooms with central air conditioning. Current air quality: when the central air conditioner is turned on, take indoor air for analysis.
Determine the air quality. 2. Air sampling in the air duct of central air conditioning: sampling and analyzing the air duct with detection robots to determine the pollution degree.
The above is the relevant information, hoping to show that you can better understand the tilting mode of central air conditioning.