This standard specifies the safety requirements, test methods and markings for industrial dehydrators (hereinafter referred to as dehydrators). This standard applies to centrifugal dehydrators for various cotton, linen, chemical fiber, wool and blanket fabrics. This standard does not apply to semi-automatic and fully automatic industrial washing machines with dehydration functions. This standard does not apply to industrial dehydrators with other mechanisms such as microwaves or vacuum. JB/T 7833-1995 Safety requirements for industrial dehydrators JB/T7833-1995 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Safety Requirements for Industrial Dehydrators
1 Subject Content and Scope of Application
This standard specifies the safety requirements, test methods and markings for industrial dehydrators (hereinafter referred to as dehydrators). This standard applies to centrifugal dehydrators for various cotton, linen, chemical fiber, wool and other fabrics and blankets. JB7833-1995
This standard does not apply to semi-automatic and fully automatic industrial washing machines with dehydration functions. It does not apply to industrial dehydrators with other mechanisms such as microwaves or vacuum.
2 Reference standards
GB755-87
Basic technical conditions for rotating electrical machines
GB4706.1-92
General safety requirements for household and similar electrical appliances 3 Safety requirements
3.1 Marking
Each industrial dehydrator shall have a durable nameplate and shall clearly indicate: 3.1.1
Product name:
Product model;
Dehydration capacity, kg;
Rated voltage, V;
Rated frequency, Hz;
Rated input power, kW:
Drum speed;
Manufacturer name;
Manufacture date:
Year, month, day;
Serial number.
Each dehydrator shall have a durable drum rotation direction mark in a conspicuous place. Each dehydrator should have a durable trademark in a conspicuous place. Each dehydrator must be equipped with a grounding terminal in a conspicuous place on the surface of the casing, and have a conspicuous and durable grounding symbol Ji. Starting performance
When the motor rotor and dehydration drum of the dehydrator are in the most unfavorable position, 0.85 times the rated voltage is applied, and the dehydrator should be able to start smoothly.
3.3 Braking performance
The braking structure of the dehydrator should be flexible and reliable, and its braking time should not exceed the time specified in Table 1. Approved by the Ministry of Machinery Industry on November 24, 1995
Implementation on July 1, 1996
Rated dehydration capacity G
Manual braking time
Grounding performance
10≤G≤30bzxz.net
JB7833-1995
30
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