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Energy storage method and device for thermal power plant with waste heat recovery

An energy storage device and waste heat recovery technology, which is applied to heat storage equipment, indirect heat exchangers, heat exchanger types, etc., can solve the problems of high working pressure of waste heat recovery energy storage devices, low waste heat recovery efficiency, waste heat classification and utilization, etc. , to achieve the effects of diversification of heat storage methods, improvement of utilization rate, and improvement of heat storage efficiency

Active Publication Date: 2020-12-01
华电呼图壁能源有限公司
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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a waste heat recovery thermal power plant energy storage method and device, which solves the problem that the waste heat recovery energy storage device cannot classify and utilize waste heat at different temperatures, resulting in high working pressure of the waste heat recovery energy storage device. And the efficiency of waste heat recovery is low, which reduces the problem of practicality

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  • Energy storage method and device for thermal power plant with waste heat recovery
  • Energy storage method and device for thermal power plant with waste heat recovery
  • Energy storage method and device for thermal power plant with waste heat recovery

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] see Figure 1-5 , the embodiment of the present invention provides a technical solution: a waste heat recovery thermal power plant energy storage method, specifically comprising the following steps:

[0033] S1. The waste heat is transported to the four-way 2 through the delivery pipe 1. If the waste heat temperature is below 100°C, the second electromagnetic valve 7 is opened, and the waste heat enters the heating tank 9 through the low-temperature pip...

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Abstract

The invention discloses a thermal power plant energy storage method and device with waste heat recovery. The thermal power plant energy storage device with waste heat recovery comprises a conveying pipe, a heating tank and a heat storage tank; a recovery pipe, a low-temperature pipe and a high-temperature pipe is fixedly connected to the bottom end of the conveying pipe through a four-way connector; a first electromagnetic valve is fixedly connected to the interior of the recovery pipe; a second electromagnetic valve is fixedly connected to the interior of the low-temperature pipe; and a thirdelectromagnetic valve is fixedly connected to the interior of the high-temperature pipe. The invention relates to the technical field of waste heat recovery. For the thermal power plant energy storage method and device with waste heat recovery, waste heat gases with different temperatures have different recycling modes, waste heat with different temperatures can be classified and utilized, and working pressure of the energy storage device with waste heat recovery is weakened; by combining a heating water tank device with a heat storage and release device, the waste heat recovery utilization rate is remarkably increased, the practicability of the device is improved, a phase change heat storage material is more uniformly heated, the utilization rate of the heat storage material is increased, and the heat storage efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of waste heat recovery, in particular to a waste heat recovery thermal power plant energy storage method and device. Background technique [0002] Waste heat refers to the sensible heat and latent heat that have not been rationally utilized in the original design of industrial energy-consuming devices that have been put into operation due to the limitations of history, technology, and concepts. It includes high-temperature exhaust gas waste heat, cooling medium waste heat, waste steam and wastewater. Waste heat, high-temperature products and slag waste heat, chemical reaction waste heat, combustible waste gas waste liquid and waste waste heat, etc. According to the survey, the total waste heat resources of various industries account for about 17% to 67% of their total fuel consumption, and the waste heat resources that can be recycled It is about 60% of the total waste heat resources, and there are many ways...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D20/02
CPCF28D20/021Y02E60/14
Inventor 杨献忠刘燕芳田勇张映红韩飞
Owner 华电呼图壁能源有限公司
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