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Direct high back pressure heat supply system of indirect air cooling unit

A technology for air-cooled units and heating systems, applied in lighting and heating equipment, steam/steam condensers, etc., can solve the problem of inability to effectively take away heat from low-pressure cylinder exhaust, reduced circulating water flow in unit condensers, and high back pressure. The heating unit must be shut down and other problems to achieve the effect of improving the heating capacity of the enterprise, the structure is simple, and the safety is ensured

Inactive Publication Date: 2016-08-31
SHANDONG HONGAO POWER TECHNOLOGY CO LTD
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Problems solved by technology

[0003] In the conventional high back pressure heating system, on the one hand, the unit operates in a heat-fixed power mode, and the electric load is limited by the heat load; Effectively take away the exhaust heat of the low-pressure cylinder, and the high-back pressure heating unit must be shut down, causing huge losses to the enterprise
In addition, conventional high back pressure heating systems are applied to indirect air-cooled units, which cannot solve the problems of intercooler island antifreeze, power grid island operation, and heating network aging, which will directly affect the economy and safety of unit operation

Method used

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  • Direct high back pressure heat supply system of indirect air cooling unit

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Embodiment Construction

[0019] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes a condenser 1, and the internal circulating water pipe of the condenser 1 is evenly divided into two independent parts, wherein the water inlet pipe on one side is connected to the heat network return pipe 2, and the water outlet pipe is connected to the heat network through the heat network circulation pump 3. Network heater 4; the water inlet pipe on the other side is connected to the inter-cooling tower 6 through the frequency conversion circulating water pump 5, and the outlet pipe is connected to the water inlet pipe of the inter-cooling tower 6; valves A7 are respectively installed on the water inlet pipes on both sides of the condenser 1 , valve E11, valve B8 and valve F12 are respectively installed on the outlet pipe; the water inlet pipe and outlet pipe on both sides of the condenser 1 are connected by pipelines, and valve C9 and valve D10 are respectively in...

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Abstract

The invention relates to the technical field of unit heat supply, in particular to a direct high back pressure heat supply system of an indirect air cooling unit. The direct high back pressure heat supply system comprises a condenser and is characterized in that recycled water pipelines in the condenser are uniformly divided into two separate parts: on one side, a water inlet pipe communicates with a heat supply network water return pipe, and a water outlet pipe communicates with a heat supply network water heater by virtue of a heat supply network circulating pump; on the other side, the water inlet pipe communicates with an indirect cooling tower through a frequency conversion circulating water pump, and the water outlet pipe communicates with the water inlet pipe of the indirect cooling tower. The direct high back pressure heat supply system is small in investment and simple in structure, takes effect quickly, and can realize operation under pure condensing and back pressure modes; in addition, in case that the heat supply network is abnormal, the unit can switch over two operational modes without halt to ensure operating safety of the unit.

Description

(1) Technical field [0001] The invention relates to the technical field of unit heating, in particular to a direct high back pressure heating system of an indirect air-cooling unit. (2) Background technology [0002] The low-pressure cylinder high back pressure circulating water heating energy-saving renovation project can effectively reduce the coal consumption of power generation and reduce the emission of carbon dioxide, sulfur dioxide and other waste gases, improve the reliability and capacity of heating supply, and have significant economic, environmental and social benefits. Exploring the energy-saving potential of heating units has opened up a new way, which is of great significance to reducing energy consumption and improving corporate profitability. It also meets the national requirements for sustainable development, energy conservation and emission reduction in the 12th Five-Year Plan. [0003] In the conventional high back pressure heating system, on the one hand,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28B1/02F28B9/04
CPCF28B1/02F28B9/04
Inventor 高明黄献华孟宪光齐佶汪生彪阿不都克里木·阿布来提宋涛周桥陈哲
Owner SHANDONG HONGAO POWER TECHNOLOGY CO LTD
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