Combined heat and power generation system with regulating valves adapting to changes

A technology of combined heat and power generation and regulating valves, which is applied in heating systems, hot water central heating systems, applications, etc., can solve the problems of waste, control, and the steam extraction volume of steam turbines cannot be automatically controlled, etc., to increase the chimney effect , Enhance the effect of heat transfer

Inactive Publication Date: 2015-06-17
ZHONGBEI UNIV
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  • Abstract
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Problems solved by technology

[0004] In addition, in the current combined heat and power system, the steam extraction volume of the steam turbine cannot be automatically controlled, nor can it be controlled according to the heating temperature, resulting in excessive steam extraction, resulting in waste

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  • Combined heat and power generation system with regulating valves adapting to changes
  • Combined heat and power generation system with regulating valves adapting to changes
  • Combined heat and power generation system with regulating valves adapting to changes

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Embodiment Construction

[0050] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0051] Such as Figure 1-2 As shown, a cogeneration system includes an air extraction system, a heat exchange system and a cooling system, wherein the air extraction system and the heat exchange system are associated with heat exchange through a steam-water heat exchanger 6, and the heat exchange system and the heat dissipation system The heat exchange connection is made via a heat exchanger 13 .

[0052] Such as figure 1 As shown, the cogeneration system of heat and power includes a boiler 1, a steam turbine 2, a generator 3, a steam extraction control valve 4, a steam-water heat exchanger 6, and the steam-water heat exchanger 6 is connected to a hot water supply Pipe 7 and cold water return pipe 8, the cold water exchanges heat with the steam in the steam-water heat exchanger 6 to generate hot water. The steam generated by the boiler ...

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Abstract

The invention provides a combined heat and power generation system with regulating valves adapting to changes. According to the combined heat and power generation system with the regulating valves adapting to the changes, the first regulating valve is arranged on a hot water supply pipe to regulate hot water entering into a heat exchanger; the second regulating valve is arranged on a water inlet pipeline of a radiator, data connection is conducted between a programmable logic controller and the first regulating valve as well as between the programmable logic controller and the second regulating value, and when the opening degree of the second regulating valve changes, the opening degree of the first regulating valve changes correspondingly to enable the hot water input into the heat exchanger to change correspondingly. According to the combined heat and power generation system with the regulating valves adapting to the changes, the heat exchange efficiency is maximized through the corresponding changes of the regulating valves, the energy is saved, and the purposes of protecting environment and saving energy are achieved.

Description

[0001] This application is a divisional application for the patent application whose original application number is 2014101475402 and the invention name is an intelligent cogeneration system. technical field [0002] The invention belongs to the field of heat exchangers, in particular to a radiator in the field of combined heat and power generation, and belongs to the field of F28 heat exchangers and the field of F24D heat supply. Background technique [0003] Among the radiators, finned tube radiators are widely used at present. The heat dissipation area can be enlarged and the heat exchange effect can be enhanced through the fins. However, the radiator type of the finned tubes and the setting of the finned tube parameters all affect the cooling effect. Good or bad, and in the current situation of energy crisis, there is an urgent need to save energy and meet the sustainable development of society. Maximize thermal efficiency to save energy and achieve the purpose of enviro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D1/053F24D3/00F24D19/10F01K17/06
CPCY02E20/14
Inventor 刘汉涛
Owner ZHONGBEI UNIV
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