Combined air treatment unit: designed and manufactured for large public buildings, restaurants, hotels, theaters, cinemas, etc., so that the air in the room reaches a certain temperature, humidity and cleanliness. Its basic type is horizontal, consisting of new and return air mixing section, surface cooling and heating section, primary and intermediate efficiency filtering section, humidification, muffler section and fan section.
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Principle: It is a product that performs multi-functional processing such as filtering, cooling, heating, humidification, heat recovery, dehumidification, etc., and is widely used in offices, hotels, factories, stadiums, venues, shopping malls, computer rooms, hospitals, Comfortable and technological air-conditioning systems such as laboratories.
Features of the unit: 1). Durable special Lv profile or steel profile, color steel panel or galvanized steel, durable.
2). Good air tightness. Elastic sealing strip is used to seal the face between the panel and the frame and other connectors to ensure that the air leakage of the box can meet the demand.
3). Prevent frost. Appropriate unit configuration selection to prevent cold bridges and condensation during operation.
4). Choice of multiple heat exchange coils Multiple options and optimization to meet different working conditions.
5). Lower noise The design and configuration of the system is adopted to make the unit's overall noise very low.
6). Convenient installation and maintenance can be tied up on the site for rapid assembly of parts; the unit is equipped with access doors and easy-to-remove panels to facilitate maintenance of internal components.
7). The automatic control system unit can be equipped with inverter, fan starter and microcomputer control system, which can realize various operating conditions, accurately control the temperature and humidity parameters of the system, and the automatic control device realizes the unit's energy-saving operation throughout the year. And there is a communication interface for docking with the building automation system.
8). Mature energy recovery technology has technologies and experience in rotary, plate, and other ways of energy recovery.
9). Extensive non-standard design support Provide a wide range of non-standard design and manufacturing to meet applications in different environments.
10). Dedicated units can be supplied to outdoor, clean workshops, hospital operating rooms, microelectronics workshops, leak-proof and pollution-proof, special units suitable for marine climate.
Description of the main functional sections:
The mixing section is used for mixing air in different states, and controls and regulates the air flow. Generally, there is an air return port, which is equipped with a manual or electric air volume regulating valve.
Air filtration section
The standard configuration of the unit is a plate-type primary effect and a bag-type medium-efficiency filter, which can also be configured to a high-efficiency filter.
Primary effect filters can be divided into plate or bag type, the filter material is non-woven fabric, and the filtration efficiency is G3, G4 (80% -90% weight method).
Medium efficiency filters can be divided into plate type or bag type, the filter material is non-woven fabric, and the filter efficiency is F7 (colorimetric method).
High efficiency filter, filter material is ultra-fine glass fiber, filtration efficiency H13 (99.9% counting method).
The air filter section can provide a filter differential pressure gauge and a differential pressure switch to control the differential pressure alarm.
The highest-level filtering section of the unit should be set at the positive pressure end to ensure the filtering effect.
When the final resistance of the air filter is twice the initial resistance, it should be replaced as the design value of wind resistance.
Freezing water cooling section, hot water heating section