GB/T 27724-2011Calculation method of energy equilibrium and energy efficiency in fourdrinier paper machine system (English PDF)
普通长网造纸机系统能量平衡及能量效率计算方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
July 1, 2012
Scope
GB/T 27724-2011 is the English-translated version of 普通长网造纸机系统能量平衡及能量效率计算方法.
GB/T 27724-2011 is the Chinese standard "Calculation method of energy equilibrium and energy efficiency in fourdrinier paper machine system". Its scope clause reads: This standard specifies the general Fourdrinier system balance and calculation of the energy efficiency of energy pulp and paper companies.
This standard applies to pulp and paper companies ordinary Fourdrinier energy balance and energy efficiency testing and calculations. Its clauses include a block diagram of the energy balance.
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Document preview — GB/T 27724-2011
National Standard of the People's Republic of China
- ICS
- 85.010
- Classification
- Y 30
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 a block diagram of the energy balance
- 3.2 System boundary
1 Scope
This standard specifies the general Fourdrinier system balance and calculation of the energy efficiency of energy pulp and paper companies.
This standard applies to pulp and paper companies ordinary Fourdrinier energy balance and energy efficiency testing and calculations.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 27736-2011 energy balance calculation method for pulp and paper production process of the General
3 a block diagram of the energy balance
3.1
ordinary Fourdrinier energy balance system block diagram shown in Figure 1.
1 ordinary Fourdrinier energy balance system block diagram in Fig.
3.2 System boundary
from the slurry entering the papermaking workshop began, to the last paper sent to the workshop so far.
3.3
Figure 1 Symbol Description.
--- Ql slurry into heat;
Q2 --- added chemicals into heat;
Q3 --- add water into the heat;
Q4 --- fresh air into the heat;
Q5 --- pass into the superheated steam into the heat;
Q6 --- into the tape out of the heat;
Q7 --- slag out of the heat;
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.
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