Time-sharing and zoning complementary intermittent heating method suitable for school district heating system

Abstract

The invention discloses a time-sharing and zoning complementary intermittent heating method suitable for a school district heating system, which fully considers the thermal inertia of a thermodynamicsystem and the thermal inertia (thermal lag or heat storage characteristic) of a building through time-sharing and zoning intermittent heating of users of different levels and by utilizing the complementation of different types of user loads in time and space based on intelligent management and control, so that ultra-low load heat supply of the building can be achieved on the premise that system safety and heat supply quality are guaranteed; meanwhile, basic stability of energy center operation loads is guaranteed, and safe and stable operation of a primary network and energy center main equipment such as a boiler and a water pump is facilitated; the ultra-low load operation of a thermodynamic system is achieved; energy conservation and emission reduction are remarkable while it is guaranteed that heat utilization requirements are met; and safe and stable operation is achieved. The time-sharing and zoning complementary intermittent heating method suitable for the school district heating system is suitable for an ultra-low-load, safe, stable, efficient and energy-saving operation mode of an energy station of a central heating system during long-term holiday of public buildings suchas schools, commercial office areas and enterprise units.

Description

technical field [0001] The invention relates to the technical field of central heating, in particular to a time-sharing and zone complementary intermittent heating method suitable for school district heating systems. Background technique [0002] Central heating is the most common form of heating in northern my country. Precise heating on demand is the basic path to ensure the heating comfort of users while achieving significant energy saving and emission reduction. Based on the deep coupling of information and energy systems, the smart heating network can give full play to its intelligent control function, which can well meet the various heat needs of users, and at the same time avoid energy waste caused by excessive heating. [0003] Central heating systems usually include multiple types of users, and there are large differences in heat consumption patterns. Even the same user types have different heat consumption requirements. Many studies have shown that the time-shari...

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Problems solved by technology

(4) In terms of economy, the coal consumption of the unit increases significantly when the unit is running at low load, while the boiler efficiency decreases significantly when the unit is under 50% of the rated load

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