The heat medium used in the heater can be water or steam.
The advantages of heater heating are as follows:
(1) The heat supply of a single machine is large, and the number of terminal equipments used is small under the same heat load.
(2) Small heaters can be hanged without occupying building area, and large heaters can be installed on the ground with limited floor area.
(3) Start up quickly.
The disadvantage of heater heating is:
(1) The fan has noise when the heater is running. Generally, the noise of small heaters is about 60 dB (A), and the noise of large heaters is larger.
(2) Heaters are placed in the heating room, directly heating the indoor circulating air, without supplementing fresh air (outdoor air), can not improve the indoor air quality.
In view of the advantages and disadvantages mentioned above, the heating system of the heater is suitable for the following situations:
(1) Workshops or venues with large space, large heating load and permitting the recycling of indoor air;
(2) Sites where the room temperature needs to be raised rapidly, such as factories, workshops, venues, etc.
(3) Some non-three-shift production workshops with intermittent heating.
Heating fan heating system is not suitable for the following situations:
(1) The occasions where air can not be recycled, such as: factory buildings containing toxic substances harmful to human body in the air; the process of producing inflammable and explosive gases, fibers or dust, etc.
(2) rooms with stricter requirements for environmental noise.
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