This standard specifies the method for compiling the model of aluminum plate-fin heat exchangers. This standard applies to aluminum plate-fin heat exchangers manufactured by salt bath brazing and vacuum brazing. JB/T 7262-1994 Method for compiling the model of aluminum plate-fin heat exchangers JB/T7262-1994 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T7262-94
Aluminum Plate-Fin Heat Exchanger
Model Compilation Method
Published on July 18, 1994
Ministry of Machinery Industry of the People's Republic of China
Implementation on July 1, 1995
Mechanical Industry Standard of the People's Republic of China
Aluminum Plate-Fin Heat Exchanger
Model Compilation Method
1 Subject Content and Scope of Application
This standard specifies the compilation method of aluminum plate-fin heat exchanger models. This standard applies to aluminum plate-fin heat exchangers manufactured by salt bath brazing and vacuum brazing. 2 Model Composition
JB/T 7262-94
2.1 The model of aluminum plate-fin heat exchanger is composed of capital Chinese phonetic letters and Arabic numerals. The expression method shall comply with the following provisions BC
2.2 Professional category code shall comply with the provisions of Table 1. Professional category
Air (KONG) Separation
Chemical (HUA) Engineering
Replacement (PU) Refrigeration
Engineering (GONG)
Others
Plate-fin heat exchanger
Design pressure, 103Pa
Total effective heat exchange area, m
Length, m
Professional category code
Plate (BAN) Fin (CH I) Type heat exchanger
Scope of application
Oxygen, nitrogen, hydrogen, nitrogen, xenon, nitrogen, hydrogen, hydrogen equipment (including reduction equipment) Chemical industry, oil refining equipmentwwW.bzxz.Net
Refrigeration machine, air conditioner, passenger car, refrigerated truck Engineering machinery, power machinery, transportation machinery Energy collection, environmental protection, etc.
2.3 The total effective heat exchange area is allowed to vary by -20% to +10% within the specified specification range, and does not include the heat exchange area of ​​the guide vane. 2.4 Design pressure refers to the maximum pressure value (gauge pressure) of the main channel or medium channel. 3.3 Effective heat exchange area and design pressure values ​​3.1 Rules for rounding off the effective heat exchange area: a.
<5. Round to one decimal place: b. 5～<100, round to one decimal place; c.
100～<1000, round to ten places; Approved by the Ministry of Machinery Industry on July 18, 1994, implemented on July 1, 1995, JB/T7262-94
1000, Round to the nearest hundred, d.
3.2 Rounding rules for design pressure values
, <1, round to the nearest decimal place: ≥1, round to the nearest integer, b.
Model example
Aluminum plate-fin heat exchanger is used for air separation equipment, with a length of 3.3m, a total effective heat exchange area of ​​4440m, and a design pressure of 7×10°Pa (gauge pressure). The model is BCK3.3-4400/7 plate-fin heat exchanger. Additional notes:
This standard was proposed and managed by the Hangzhou Oxygen Generator Research Institute of the Ministry of Machinery Industry. This standard was drafted by the Hangzhou Oxygen Generator Research Institute, and the main drafter of this standard was Zhang Hua.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.