This standard specifies the monitoring content, monitoring methods and qualified indicators of the energy utilization status of industrial heat treatment furnaces. This standard applies to box-type resistance furnaces and box-type quenching furnaces with a rated power of 15kW or more, pit-type resistance furnaces with a rated power of 25kW or more, trolley-type resistance furnaces and electrode salt bath furnaces with a rated power of 50kW (50kV·A) or more. This standard does not apply to energy-saving monitoring of vacuum heat treatment furnaces. GB/T 15318-1994 Energy-saving monitoring method for industrial heat treatment furnaces GB/T15318-1994 Standard download decompression password: www.bzxz.net

VDC 621. 365. 4 - 620. 9
National Standard of the People's Republic of China
CB/T 15318—94
Monitoring and testing method for energy saving of electrobeat furnace in industrial heat treating1994-12-17Published
National Technical Supervision Bureau
Implemented on 1995-10-01
National Standard of the People's Republic of China
Monitoring method for energy saving of electrobeat furnace in industrial heat treatingManualltorlngandteatingmethdforeetrgysatingof electrobeat furnace In lndustrinl hcat trealing Subject content and applicable scope
GB/T1531B94
Technical standard defines the monitoring content, monitoring methods and qualified indicators of the energy efficiency of industrial heat treatment electric furnaces. This standard is applicable to box-type resistance furnaces with a rated power greater than 15kW, box-type resistance furnaces, electric resistance furnaces with a rated power greater than or equal to 25kW, trolley-type resistance furnaces and electrode salt furnaces with a rated power greater than or equal to 50kW (50kV·A), etc. The standard is not applicable to the energy-saving monitoring of vacuum heat treatment furnaces. 2 Reference standards
GR15316 Municipal energy testing technology
Gnai T3485 Evaluation of enterprise rational electricity use technical guidelines GB/T10966.1 Indirect resistance furnace R series box-type resistance furnace C: B/T10956.2 Indirect resistance furnace RM series box-type flame retardant GB/T1166.1 Test of electric heating equipment Universal part G3/T100 m4 Test method for electric heating equipment
Connecting cable
GB/T10201 Implementation guide for joint operation
ZBJC312 Energy consumption classification of heat treatment trolley type resistance furnaces Energy consumption classification of heat treatment parallel type resistance furnaces
ZBIC1UI3
7.HJ01C=4 Energy consumption classification of heat treatment electric heating furnaces 3 Comparable electricity consumption of products
Comparabic According to the different heat treatment products and processes, the produced products shall be converted into comparable standard products (equivalent weight) in accordance with relevant regulations, and the ratio of solid ball production power consumption rate to product equivalent weight is calculated, which is called product comparable unit power consumption. 4. Industrial heat treatment energy conservation monitoring items 4.1 Product comparable monthly unit temperature rise
4.2 Body surface temperature rise
5 Industrial heat treatment energy conservation monitoring methods
5.1 Monitoring should be carried out under the actual operating conditions of normal production at the electric furnace, and the test should be one production cycle. 5.2 The instruments used for monitoring shall meet the requirements of the monitoring items. The instruments must be in good condition and within the calibration period. Their accuracy shall comply with the relevant provisions of GB/T10066.1. Approved by the National Electric Power Supervision Bureau on December 1, 1994 and implemented on October 1, 1995, 5.3 The comparable power consumption of products shall be calculated and tested. 5.3.1 During the test period, the following parameters shall be measured and tested: the actual power consumption of the electric furnace body and the power consumption of the electrical components and the connected equipment used for the production of the furnace during the production period shall be the actual power consumption basis; the actual mass of the products shall be the actual mass of the various qualified products (the above parts) of this electric furnace heat treatment (kg), where 1=12.3+1*, is the product (workpiece) variety.
The total reduced mass m of the test cycle is calculated by formula (1): K, K, + KK
Where: 1..Production (process) unit mass integration coefficient, determined according to variable 1: K
Production point, workpiece category conversion coefficient, according to Table 2 heat treatment plate conversion coefficient · According to Table 3 Xie determined
Supply Da Er process conversion coefficient · According to Table 4. Table 1 Product (workpiece> unit mass conversion coefficient unit serious product (workpiece) field quantity
Product: 2 piece 1 category
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Treatment process
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t: 1--0. 3
Table 2 Product (workpiece) category conversion coefficient
Workpiece ear building
Table 3 Heat treatment group degree simulation coefficient
769.- uco
cov-~70kc
heat treatment process conversion coefficient
metal ratio water
wood processing fire
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general parts
156-505
refund
with 10-20
5.33 test the comparable power consumption of qualified products within two periods 6 (kw·h/kg) according to formula (2) light sheet: h =W/m?
5.4 Determination of temperature rise on the outside of the furnace
Pressure and dehumidification guarantee
Time-
5.4.1 Temperature measurement Set the meter to measure the temperature rise of the outside of the furnace at the highest working temperature. The difference between the humidity of the furnace surface and the specific ambient temperature is the surface temperature rise.
5.4.2 The base points for measuring the temperature rise of the outside of the furnace surface should be selected at 3 to 5 points on the furnace front (referring to the wall and the furnace head), the guard door (effective furnace edge), but not at the furnace mouth (referring to the furnace door, furnace edge, heating element and thermoelectric 5.4.3 Specific ambient temperature refers to the distance from the center of the outer wall of the electric furnace: 1, and the thermal insulation can make the temperature rise not directly affected by the electric furnace and other sources, and the source can be taken as the ambient temperature.
6 Industrial heat treatment electric furnace energy saving monitoring qualified indicators 6.1 The comparable power consumption of the product shall meet the following requirements: For a production cycle, according to 5. 2.1~5.2.3 The results of measurement and calculation should be 60.600 kW·h/kg6.2 The surface temperature rise of the furnace body should meet the following requirements: For furnaces working at rated air temperature, the surface temperature rise should meet the requirements of Table 5. Table 5 Specified value of surface temperature rise
New Tongting
Box type resistance protection
Trolley type electric furnace
Parallel electric wind
Temperature state type down-fire furnace
Electric salt bath protection
: 1 500
Surface temperature rise
Furnace or cover
For electric furnaces not working at rated temperature. Calculate according to formula (3) and compare with Table 5 to see if it meets the requirements: 9 [(6 20)(8. 20) %
Wherein:
Measured value, ℃:
Working source temperature during measurement, ℃;
8—Rated temperature of the protection device, ℃:
The maximum allowable temperature rise under rated temperature (see Table 5), 7. Energy saving monitoring results of industrial heat treatment furnaces.-(3)
7.1 The monitoring indicators of industrial heat treatment furnaces specified in this standard are the minimum standards for monitoring purposes. The monitoring unit shall make a qualified or unqualified evaluation based on them (see Appendix A).
If all the measurement indicators are qualified, it can be evaluated as "energy saving integrated industrial heat treatment protection device". 7.2 For those who fail to meet the monitoring requirements, the monitoring unit shall make an analysis and evaluation based on the degree of energy conservation and put forward improvement suggestions. 9
Xilindidanjue
Institute of Supervision and Administration
The product is evaluated based on the annual electricity consumption
. Please give your opinion:
Signature of the principal
Additional notes:
GB/T15318-94
Appendix A
Industrial heat treatment furnace energy saving monitoring report
(supplement)
Monitoring notice number
Test date
Monitoring data
This standard is proposed by the Standardization Department of the State Administration of Technical Supervision and the Department of Resource Conservation and Comprehensive Utilization of the State Economic and Trade Commission. This standard is issued by the National Energy Basic and Joint Standardization Technical Committee Energy Management Branch Technical Centralized Index
Number:
Supervision Unit: (Yi Zhang)
Cloud The standard was drafted by the China Institute of Standardization and Information Classification and Coding, the National Planning Commission-Chinese Academy of Sciences Energy Research Institute and the National Energy Conservation Monitoring and Management Center.
Wood Standard Drafters Yan Hairuo, Yang Yinfeng, Xin Dingtong, Shi Changxian, Xia Yeqing.
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