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Heat storage peak regulation system combining solid heat storage electric boiler and cross-seasonal natural water body

A technology of solid heat storage and natural water body, which is applied to heating systems, space heating and ventilation details, and central heating, can solve the problems of unable to realize peak-shaving and heat storage of power grids in summer, so as to improve the peak-shaving capacity of the grid and improve Economic benefits, the effect of alleviating consumption difficulties

Inactive Publication Date: 2017-06-13
HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent satisfies the heating and power generation needs of thermal power units in winter to a certain extent, but it cannot realize peak regulation and heat storage in summer

Method used

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  • Heat storage peak regulation system combining solid heat storage electric boiler and cross-seasonal natural water body
  • Heat storage peak regulation system combining solid heat storage electric boiler and cross-seasonal natural water body

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as figure 1 As shown, a thermal storage peak-shaving system combining a solid thermal storage electric boiler and a cross-seasonal natural water body, including a power plant heating system, a cross-seasonal natural water system, a solid thermal storage electric boiler system, and a heating network water circulation system, is characterized in that: The cross-seasonal natural water body system includes a water storage pit, a hot water storage body 9, a water distributor 8, a bottom protection layer 10, a water body surface insulation covering layer 7, and a rainwater collection and drainage system; the solid thermal storage electric boiler system includes a solid thermal storage electric boiler system. The boiler 1 and its connection to the grid and pipelines; the heating system of the power plant includes a heating network heater 2 .

[0037] In this embodiment, the water storage pit is formed by civil engineering excavation, and the cross-sectional shape includes...

Embodiment 2

[0062] This embodiment has the same structure as the heat storage peak-shaving system combined with the solid heat storage electric boiler and cross-seasonal natural water described in Example 1, the difference is that one or several solid heat storage electric boilers 1 are replaced with electrodes Hot water boilers form a hybrid system of solid heat storage electric boilers and liquid electrode boilers, and finally transfer the hot water heated by the two electric boilers into natural water for heat storage. The solid electric heat storage peaking device has the characteristics of high voltage, high power and heat storage. Combining the electrode hot water boiler with the solid heat storage electric boiler 1 can comprehensively consider the respective advantages of the two electric boilers. The electrode boiler voltage changes smoothly and has little impact on the power grid, while the solid heat storage electric boiler 1 has a high driving voltage level and can save transfor...

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Abstract

The invention relates to a heat storage peak regulation system combining a solid heat storage electric boiler and a cross-seasonal natural water body. The heat storage peak regulation system comprises a power plant heating system, a cross-seasonal natural water body system, a solid heat storage electric boiler system and a heat-supply network water circulation system, wherein the cross-seasonal natural water body system comprises a water storage pit, a heat storage water body, a water distributor, a water bottom protection layer, a heat-insulating covering layer on a water body surface, and a rainwater collecting and drainage system; the solid heat storage electric boiler system comprises a solid heat storage electric boiler and a power grid and a pipeline connected with the solid heat storage electric boiler; the power plant heating system comprises a heat-supply network heater. Through adopting a thermal power heating unit operation flexibility technology and an electric boiler district heating technology, and in combination with a cross-seasonal natural water body in summer for heat storage, the deep participating in peak load regulation of a thermal power plant in summer can be realized, so that an on-grid peak load regulation capacity of a thermoelectric unit in summer is remarkably improved, the heat storage peak regulation system not only can be used for effectively relieving renewable energy source absorption predicament, but also can realize huge-scale cross-seasonal heat storage of heat supply hot water, and is wide in market developing prospect in the future.

Description

technical field [0001] The invention relates to the fields of thermal power flexible peak regulation and cross-season heat storage in thermal power plants, in particular to the field of flexible deep peak regulation of heat supply units in thermal power plants in summer. Background technique [0002] In China's three northern regions, the power market has ample capacity, gas turbines, pumped storage and other peak-adjustable power sources are scarce, the contradiction between power grid peak-shaving and the flexibility of thermal power units is prominent, and the grid's ability to accommodate new energy sources such as wind power, photovoltaics, and nuclear power is insufficient , the wind abandonment phenomenon is serious. At present, with the implementation of power ancillary service transactions in Northeast China, more and more thermal power plants have realized thermal power decoupling and deep peak shaving in winter through thermal power flexibility technology. But in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D11/00F24D19/00
CPCF24D11/002F24D19/008Y02B30/17Y02A30/60
Inventor 崔华杨豫森徐波谭智陈辉展望陈超朱明志
Owner HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD