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GB/T 36268-2018 English PDF (GBT36268-2018)

GB/T 36268-2018 English PDF (GBT36268-2018)

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GB/T 36268-2018: Test method of energy consumption per unit products for laminated glass

This Standard specifies the statistical classification, statistical period, statistical technical requirements, statistical method and calculation method of energy consumption per unit products for laminated glass. This Standard applies to the test of energy consumption for the production line of laminated glass with PVB material as the middle layer, which is produced using the autoclave lamination method. This Standard does not apply to the test of energy consumption for the production line of laminated glass with other materials as the middle layer, which is produced using other methods.
GB/T 36268-2018
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 81.040
Q 33
Test method of energy consumption
per unit products for laminated glass
ISSUED ON. JUNE 7, 2018
IMPLEMENTED ON. MAY 1, 2019
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Statistical classification ... 4
4 Statistical period ... 4
5 Technical requirements for energy consumption statistics ... 5
6 Method for energy consumption statistics ... 5
7 Energy consumption calculation method ... 7
Test method of energy consumption
per unit products for laminated glass
1 Scope
This Standard specifies the statistical classification, statistical period, statistical technical requirements, statistical method and calculation method of energy consumption per unit products for laminated glass.
This Standard applies to the test of energy consumption for the production line of laminated glass with PVB material as the middle layer, which is produced using the autoclave lamination method.
This Standard does not apply to the test of energy consumption for the production line of laminated glass with other materials as the middle layer, which is produced using other methods.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this document.
GB 15763.3, Safety glazing materials in building ?€? Part 3. Laminated glass GB/T 20840.2, Instrument transformers ?€? Part 2. Additional requirements for current transformers
3 Statistical classification
In accordance with the differences in shape, statistics shall be done for plain laminated glass and cambered laminated glass.
4 Statistical period
The laminated glass statistical period for the same laminated glass production line, the energy consumption of other auxiliary equipment.
When manufacturer has more than 1 laminated glass production lines, do the statistics separately.
6.2 Energy consumption statistics
Select current transformers of an appropriate measuring range according to cable lines; connect the devices for energy consumption statistics correctly. Record the energy consumption displayed on the devices at this moment as W1; after the statistical period, record the energy consumption displayed on the devices, as W2.
The energy consumption Eij of the j-th batch of the i-th cable line during the statistical period is calculated according to Equation (1).
where,
Eij ?€? the energy consumption of the j-th batch of laminated glass product of the i-th cable line within the statistical period, in kW??h;
W1 ?€? the energy consumption displayed on device at the beginning of the statistical period, in kW??h;
W2 ?€? the energy consumption displayed on device at the end of the statistical period, in kW??h.
When there is more than one cable line of power supply for the cleaning, prestressing equipment and autoclave of the laminated glass product line, do the statistics of the energy consumption of each batch Eij of each cable line at the same time. 6.3 Statistics of yield of laminated glass
For laminated glass product produced in the statistical period, carry out appearance quality inspection as specified in GB 15763.3. When they pass the inspection, record the yield of laminated glass product. If they fail to pass appearance quality inspection, repeat the energy consumption test once again.
The yield Pj of laminated glass of the j-th batch in the statistical period is calculated according to Equation (2).
where,
Pj ?€? the yield of qualified laminated glass product of the same thickness and the same

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