GB/T 27721-2011Calculation method of energy equilibrium and energy efficiency in stone ground wood system (English PDF)
磨石磨木浆系统能量平衡及能量效率计算方法
This is a limited preview
Buy now to download the full PDF (16 pages)
Need quotation for your management?
Get a formal quotation for GB/T 27721-2011 in 30 minutes.
Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
July 1, 2012
Scope
GB/T 27721-2011 is the English-translated version of 磨石磨木浆系统能量平衡及能量效率计算方法.
GB/T 27721-2011 is the Chinese standard "Calculation method of energy equilibrium and energy efficiency in stone ground wood system". Its scope clause reads: This standard specifies the groundwood pulp system balancing energy and energy efficiency calculation method.
This standard applies to pulp and paper companies groundwood pulp system energy balance and energy efficiency testing and calculations. Its clauses include a block diagram of the energy balance.
Found what you need?
Document preview — GB/T 27721-2011
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 groundwood pulp system balancing energy and energy efficiency calculation method.
This standard applies to pulp and paper companies groundwood pulp system 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
groundwood pulp energy balance system block diagram shown in Figure 1.
Figure 1 groundwood pulp system block diagram of the energy balance
3.2 System boundary
from logs into the stone groundwood plant began to stone after grinding wood pulp bleaching so far.
3.3
Figure 1 Symbol Description.
Q1 --- wood into heat;
Q2 --- water, water into the heat;
Q3 --- grinding wood heat generated;
Q4 --- bleaching agent into the heat bleaching system;
Q5 --- pass into the superheated steam into the heat;
Q6 --- Whitewater heat brought out;
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.
Similar standards
How to Download GB/T 27721-2011
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 10003-2026 — Biaxially oriented polypropylene (BOPP) film
GB/T 10004-2026 — Plastic/Plastic laminated films and pouches for packaging
GB/T 10007-2026 — Rigid cellular plastics - Determination of shear properties
Secure payment via Stripe
Payments accepted
GB/T 27721-2011
$285.00