The principle of air purification works is to pump air into the machine by air blower and filter the air through the built-in filter screen. It can mainly filter dust, smell, poisonous gas and kill some bacteria. The characteristic of this kind of product is the quality of the fan filter function and decision purifying effect, the machine is placed and indoor layout of the purification is complete, indoor purification effect is not balanced, it is difficult to completely replace the high cost, filter.
1, the design of the air conditioning system should be reasonable use of return air, where the process produces a large number of harmful substances, and local treatment can not meet the health requirements, or other processes harmful to, then do not apply the return air.
2, purification projects in the air conditioning system, in addition to the DC system and set the duty blower system, should be taken to prevent outdoor pollution air through the new air inlet into the purification workshop, anti grouting measures.
3. When determining the centralized or decentralized air conditioning system, the characteristics of the production process and the cleanliness, grade, area and location of the air in the cleaning workshop should be considered comprehensively. Centralized cleaning air conditioning system should be adopted in the clean room where the production process is continuous, the clean room or the purification workshop area is large, the location is centralized, and the noise control and vibration control requirements are strict.
4. If the electric heating system of the purification project needs electric heating, the tubular electric heater shall be used. The location shall be arranged on the windward side of the HEPA filter, and fire safety measures shall be taken.
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