GB/T 28749-2012The method of drawing energy balance network diagram for enterprises (English PDF)

3.1 Enterprise energy balance network diagram

Describe the actual business processes, and energy in the energy balance between the energy system network diagram.

Principle 4 ENERGY BALANCE draw network diagram

Figure 4.1 enterprise network energy balance consists of plot, character and the necessary data.

Figure 4.2 enterprise network energy balance should be drawn according to the actual situation of energy companies.

4.3

enterprise network diagram basic energy balance energy balance sheet data from the enterprise, is the image of the expression of corporate energy balance sheet.

Rendering 5 enterprise network energy balance diagram

5.1 Classification and energy sectors represented

5.1.1

Network Diagram enterprise energy balance of the energy systems business division from left to right to buy storage, processing, conversion, transmission distribution, and finally

End uses four links, each link comprising one or several energy units, each link separated by a dotted line.

5.1.2

purchase various aspects of energy storage using elliptic figure shows the various processing units with energy conversion and end-use part of the rectangular chart

Shows, companies in the energy system of the energy flows in a straight path and arrows to represent.

5.2 purchase storage areas

5.2.1

On the ellipse half the energy label name, and the lower dimensional input energy value and the amount of physical units.

5.2.2

ellipse to the left inflows arrows indicate beginning stocks or purchased to outflow arrows indicate ending stocks and foreign supply,

Arrow line side respectively marked the beginning inventory, purchases, ending stocks, the amount of physical energy value and unit for the outside. Arrow right side out of the ellipse

First line from left to right side of the input energy labeling and other value and equivalent value, and other values and when separated by a double line between values; downward arrow line

Corresponding to the amount of energy input marked its share percentage, and add parentheses.