Central air-conditioning in the ordinary work process, the water system will appear scale, algae, biological slime, rust and other metal corrosion products, these substances are constantly piled up in the condenser , heat exchanger, fan coil inside and pipeline, constitute the pipeline The flux becomes smaller, affecting the heat transfer effect, and because the thermal conductivity of the dirt is relatively low, when the fouling deposits cover the heat exchange surface of the heat exchanger, the efficiency of the refrigeration heat exchange is greatly reduced, and the pressure of the condenser is increased. The cooling effect is directly reduced, and the power consumption is greatly increased. Dirt also accelerates corrosion, shortening the life of central air conditioning units. Therefore, central air-conditioning cleaning is very advantageous from the perspective of saving power and extending the service life of central air-conditioning units .
Central air-conditioning often has scaling, rust, cooling effect, power consumption rise, and even high-voltage jumping phenomenon in serious cases. After five-stage central air-conditioning cleaning by Kunshan Tuo Chuang, the central air-conditioning refrigeration effect is significantly improved. The working time of the compacting machine is saved, the unit saves 10-30% of electricity consumption , and extends the service life. For example, in a room, it takes ten minutes to drop to the set temperature before cleaning. After the central air conditioner is cleaned, it only takes seven minutes to drop to the set temperature. The compactor can work for three minutes less, and then save 30% of electricity . Nowadays, the status quo in China is: Many central air-conditioning refrigeration effects are not good, resulting in extended tightening time, wasting electricity, and the central air-conditioning cleaning can restore the air-conditioning to normal cooling effect, shorten the tightening time, and save 10-30% of electricity consumption .
First, the importance of central air conditioning water system cleaning
The central air-conditioning water system is divided into two systems: cooling water and chilled water: 1. The cooling water system mainly relies on the cooling tower to dissipate heat. The water will fully contact the air after splashing and moving in the cooling tower, and then the air is much The dust, microorganisms, soluble salts and corrosive gases are brought into the cooling tower to increase the concentration of water impurities, which brings many harms to the work of the central air conditioning system.
Hazard performance: dust, salt, bacteria, dissolved oxygen, etc. → seizure scale, algae, rust residue → accumulated in the host copper tube, filter → slow cycle → poor heat dissipation effect → poor cooling effect → waste power → shorten equipment life number.
The refrigeration system is a sealed system. The accumulated oxygen in the water is very simple. It constitutes the coil blockage, the unit and the pipeline accessories are corroded, and then constitutes the cooling capacity attenuation and the premature damage of the equipment, which directly affects the normal operation of the central air conditioning system.
Hazard performance: water corrosion pipe inner wall → seizure rust slag → block the main coil and fan coil → cause the coil to burst or no cooling effect → waste power → shorten the service life of the equipment.
The condenser of the central air-conditioning unit has high scale pressure and increased exhaust temperature. The unit's high-voltage protection equipment is initiated to make the central air-conditioner automatically stop. Some water temperature of the central air-conditioning unit evaporator is lower than the set temperature (condensation), and the unit's low-temperature protection equipment is launched. The central air- conditioning unit is automatically shut down; the temperature difference between the cooling water inlet and outlet water of the central air-conditioning unit is lower than 2 to 2.5 °C , the heat exchange effect is poor, the cooling capacity is decreased , and the power consumption is increased ; the central air-conditioning cooling tower has the formation of bacteria and scale, and the condensation is blocked. Pipeline, high pressure shutdown;
Central air conditioning unit temperature difference of chilled water out of the water is less than 2 ℃, no release of cold out, air-conditioning effect is poor; water coolant temperature does not drop down central air conditioning units, units reach the set temperature, air conditioning effect is poor; central air conditioning unit refrigerant The water temperature can reach 7 ~ 8 °C, but the air conditioning effect is still not good; the aluminum fins of the central air-conditioning air-cooling unit are stuck with dust, and the air-conditioning cooling effect is not good;
The scale inside the central air-conditioning fan coil is attached to the pipe wall, blocking the filter, so that the flow and heat transfer effect are reduced; some rooms have good air-conditioning effect, and some rooms have poor air-conditioning effect; some rooms have large air-conditioning air volume, but the indoor temperature High, no cooling; when the central air conditioner is turned on, there is an abnormal smell in the room, and the air quality is not good; the condensed water in the central air-conditioning collecting tray overflows, causing the roof leakage to constitute damage to the decoration;
The water quality of the central air-conditioning refrigerant water is yellow or black and the deposits are serious; the pipeline equipment of the unit is seriously corroded. The central air-conditioning fan coil and the blades are full of dust, and the air volume at the air outlet becomes smaller;
The new central air-conditioning system has been working for less than a year, and the above-mentioned questions have been raised. The emergence of bad working conditions, so that the central air conditioning can not work properly. If your central air conditioner has any of the above-mentioned questions, it is generally caused by non-mechanical failure factors. Central air-conditioning cleaning and central air-conditioning water treatment should be done immediately. Sichuan Keyenkang Washing Water Treatment Technology Co., Ltd. provides customers with excellent central air conditioning cleaning and central air conditioning water treatment efficiency.
Kunshan Tuochuang Refrigeration Electromechanical Co., Ltd. is a cleaning commercial central air conditioning air system (duct, air cabinet, coil, tuyere, filter, etc.), central air conditioning water system (cooling water, chilled water system, main machine cleaning), central air conditioning Ventilation system inspection, air conditioning water treatment cleaning, repair, maintenance and other special effectiveness companies.
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