This standard specifies the terminology, types and basic parameters of humidifiers for air conditioning equipment. This standard applies to humidifiers used in conjunction with air conditioning equipment. This standard does not apply to room air humidifiers used alone or spray rooms for air conditioning. JB/T 5146.1-1991 Types and basic parameters of humidifiers for air conditioning equipment JB/T5146.1-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Humidifiers for air conditioning equipment
Types and basic parameters
Subject content and scope of application
This standard specifies the terms, types and basic parameters of humidifiers for air conditioning equipment. This standard applies to humidifying devices used in conjunction with air conditioning equipment. This standard does not apply to room air humidifiers and spray chambers for air conditioning used alone. Reference standards
GB321 Priority numbers and priority number systems
JB4302 Method for compiling models of heating and cooling ventilation equipment 3 Terms
3.1 Humidifiers for air conditioning equipment (referred to as "humidifiers") are devices installed in air conditioning equipment to increase the content of air flowing through the equipment. 3.2 Humidification capacity
When the humidifier is working, the mass of water vapor added per unit time to the air flowing through the device, kg/h. 3.3 Rated humidification capacity
The humidification capacity specified according to standard working conditions. 4 Product types and codes
Humidifier types and codes are shown in Table 1.
Steam supply humidifier
Steam generating humidifier
Natural evaporation humidifier
Dry steam
Far infrared
Transparent film
Porous plate
Approved by the Ministry of Machinery and Electronics Industry of the People's Republic of China on July 22, 1991 946wwW.bzxz.Net
JB/T 5146.1—91
Implementation on July 1, 1992
Enhanced evaporation humidifier
Model indication
JB/T 5146. 1—91
Continued Table 1
Ultrasonic
Pressure spray
Compressed air induced spray
The model indication method of humidifier shall comply with the provisions of JB4302. 6 Basic parameters
6.1 The rated humidification value of the humidifier shall comply with the R10 series value specified in GB321. Among them: surrogate
1;1.25;1.6;2;2.5;3.154;5;6.3,8;10,12.5;16;20,25;31.5;40,5063,80;100;125,160;200;250;315;400;500;630
are the preferred values.
6.2 The operating frequency range of the electronic oscillator used in the ultrasonic humidifier is 1.605～1.95MHz. 6.3 The standard operating parameters of the test humidifier are shown in Table 2. Table 2
Air velocity
Air temperature
Test section air pressure
Steam pressure\
Water supply temperature
Allowable fluctuation of power supply voltage
Note: 1) Only for dry steam humidifier.
Additional instructions:
This standard is proposed and managed by the Hefei General Machinery Research Institute of the Ministry of Machinery and Electronics Industry. Working parameters
2.5±0.1m/s
Dry bulb temperature: (40±1)℃
Wet bulb temperature: (25.1±0.5)℃
Below atmospheric pressure (25±3)Pa
(100±10)kPa
10~16℃
This standard is drafted by Beijing Qingyun Instrument Factory and Air Conditioning Research Institute of China Academy of Building Research. The main drafters of this standard are Liu Zongyuan and Huang Zhimei.
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