GB/T 27681-2011Specification on zero emissions and recycling of cooling water during melting and casting for copper and copper alloy (English PDF)
铜及铜合金熔铸冷却水零排放和循环利用规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
October 1, 2012
Scope
GB/T 27681-2011 is the English-translated version of 铜及铜合金熔铸冷却水零排放和循环利用规范.
GB/T 27681-2011 is the Chinese standard "Specification on zero emissions and recycling of cooling water during melting and casting for copper and copper alloy".
Its scope clause reads: This standard specifies the copper and copper alloy processing enterprises to melt the cooling water recycling, zero emissions to achieve the basic requirements of water management.
This standard is applicable to the management of water saving and emission reduction of copper and copper alloy processing enterprises. Its clauses include normative reference documents; terms and definitions.
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Document preview — GB/T 27681-2011
National Standard of the People's Republic of China
- ICS
- 77.120.30
- Classification
- H 62
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 terms and definitions
- 3.1 Casting cooling water
- 3.2 Recycle water intake waterofentercircularly
- 3.3 The amount of water flowing out of the waterfgooutcircularly
- 3.4 New water
- 3.5 Normal wear and tear
- 3.6 Abnormal loss of quantity ev complimentarylossofcoolingwater
1 Scope
This standard specifies the copper and copper alloy processing enterprises to melt the cooling water recycling, zero emissions to achieve the basic requirements of water management.
This standard is applicable to the management of water saving and emission reduction of copper and copper alloy processing enterprises.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
General rules for the preparation and management of energy - carrying units
Code for design of GB 50050 industrial circulating cooling water treatment
3 terms and definitions
The following terms and definitions apply to this document.
3.1 Casting cooling water
Copper and copper alloy melting and casting the whole process, the furnace, induction coil, mold, cooling water jacket and ingot (billet, etc.) to cool the whole
Department of water.
3.2 Recycle water intake waterofentercircularly
Copper and copper alloy smelting and casting process, from the sump into the pipeline, the furnace, induction coil, mold, cooling water jacket and
Ingot (billet), etc. to cool the total amount of water.
3.3 The amount of water flowing out of the waterfgooutcircularly
Copper and copper alloy smelting and casting process, the furnace, induction coil, mold, cooling water jacket and ingot (billet), etc. after cooling
The total amount of water flowing out of the return pipe.
3.4 New water
Casting cooling water recycling process, due to leakage and recycling process in the invalid emissions and the inevitable water loss, to the original to the original
Reserve the pool to add new water to ensure the normal water level of the new water.
3.5 Normal wear and tear
Casting cooling water recycling process, the inevitable occurrence of water supply system evaporation, the normal planned maintenance of water loss and slab table
The total amount of cooling water from the surface of the water spray and the water.
3.6 Abnormal loss of quantity ev complimentarylossofcoolingwater
Casting cooling water recycling process, due to equipment leakage or man-made reasons, resulting in unexpected loss of cooling water cooling water.
GB/T 27671-2023 | GB/T 26302-2020 | GB/T 29091-2012 | GB/T 27683-2023 | GB/T 27672-2011 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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