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Method for generating power by shifting peak

A generator and valley power technology, applied in the direction of generators/motors, electrical components, etc., can solve the problems of low conversion rate and stability, large space occupation of the site, large fixed investment, etc., and achieve small space occupation and short construction period Short, small initial investment effect

Inactive Publication Date: 2011-04-06
朱声明
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] At present, most peak-shifting power generation technologies use pumped storage, but the construction period is long, the fixed investment is large, and the site occupies a lot of space; some use compressed air, but the processing capacity is relatively small, and the conversion rate and stability are not high.

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0010] In actual production, the specific implementation methods are:

[0011] 1. The heat pump unit can use a scroll compressor or a screw compressor, and a centrifugal compressor can be used when a large power is required.

[0012] 2. The heating end is directly stored with hot water, and the heat exchanger adopts a relatively long casing for heat exchange, which can increase the temperature difference.

[0013] 3. The cold storage end adopts the ice storage method.

[0014] 4. The heat insulation container can be insulated with a polyurethane foam layer of about 10cm, and the inner layer is made of 304 stainless steel plate.

[0015] 5. The thermoelectric generator can use a refrigerant generator.

[0016] 6. In addition, the thermoelectric generator can be placed at the bottom of the cold storage container, and the working fluid cooling shell and the cold storage tank are in good contact with heat conduction, so that the method of heat convection can be used to increase ...

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Abstract

The invention relates to a method for generating power by shifting peak, in particular to the method for generating and reducing power by using a refrigerant temperature difference generator during power peak load, aiming at solving the problem that the peak valley power accords with the balance. In the method, a heat pump is driven during valley power to produce hot water at one end and accumulate cold at the other end and the hot water and ice are stored by using a heat-insulating container, thus the invention has the effects of small occupied space, higher stored energy density, low initial investment, high investment grain, short construction period and the like and can be applied to business groups and power grid for pitch peak.

Description

technical field [0001] The invention relates to power generation technology, especially the power generation technology of shifting peaks and filling valleys. Background technique [0002] At present, most peak-shifting power generation technologies use pumped storage, but the construction period is long, the fixed investment is large, and the site takes up a lot of space; some use compressed air, but the processing capacity is relatively small, and the conversion rate and stability are not high. Contents of the invention [0003] The invention provides a high-efficiency and space-saving peak-shifting and valley-filling power generation technology. [0004] The technical solution is as follows: [0005] A method of peak-shifting power generation, the common point is valley power storage and peak power generation, which is characterized in that a heat pump is driven during valley power, hot water is produced at one end, and cold storage is at the other end. Both hot water ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N11/00
Inventor 朱声明
Owner 朱声明
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