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Solid heat storage electric boiler coupled salt manufacturing system and power grid peak load and frequency regulation method

A technology of solid heat storage, peak regulation and frequency regulation, which is applied in the direction of heat storage equipment, steam boilers, steam boiler accessories, etc., can solve the problems that the steam parameters or flow rate of the power plant cannot meet the requirements of the salt production process, and the surplus power of peak regulation and frequency regulation increases. Achieve the effects of high quality hot air or steam, lower energy consumption, and high thermal efficiency

Pending Publication Date: 2021-12-17
HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The problem solved by the invention is that the steam parameters or flow rate of the current power plant cannot meet the requirements of the salt production process, and in recent years, the surplus power of peak regulation and frequency regulation of the power plant has gradually increased

Method used

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  • Solid heat storage electric boiler coupled salt manufacturing system and power grid peak load and frequency regulation method
  • Solid heat storage electric boiler coupled salt manufacturing system and power grid peak load and frequency regulation method
  • Solid heat storage electric boiler coupled salt manufacturing system and power grid peak load and frequency regulation method

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Embodiment 1

[0050] This embodiment provides a solid heat storage electric boiler coupled salt production system, such as figure 1 As shown, it includes a solid heat storage electric boiler 1 and a salt making device, the salt making device includes a purification unit 2, an evaporation unit 3, a dehydration unit 4 and a drying unit 5, and the solid heat storage electric boiler 1 is connected to the salt making device Any one or combination of the evaporation unit 3, the dehydration unit 4 or the drying unit 5; use the peak-shaving and frequency-regulating surplus power of the power grid or the power plant to heat the solid heat storage body 101 to realize heat storage, and then generate hot air or hot steam to supply the The evaporation unit 3, the dehydration unit 4 or the drying unit 5 of the salt making device; in this embodiment, the purification unit 2 is connected with the lime supply unit, or is connected with the activated carbon supply unit, and utilizes lime or activated carbon a...

Embodiment 2

[0064] This embodiment provides a solid heat storage electric boiler coupled salt production system, such as figure 2 As shown, compared with Example 1, the solid thermal storage electric boiler 1 described in this embodiment is set in a thermal power plant or a gas-fired power plant or a nuclear power plant. 1 is connected to the salt making device. The solid heat storage electric boiler 1 can heat and store heat during the power supply period, and can continue to supply heat by relying on the residual temperature of the heated solid heat storage body 101 during the non-power supply period, so as to realize the continuous operation of the salt making device. Heat supply makes up for the problem of insufficient flue gas parameters or flow in the existing power plant coupling multi-effect vacuum evaporation salt production process, so that the salt production work can be carried out continuously and stably. At the same time, the solid heat storage electric boiler 1 can make ful...

Embodiment 3

[0066] This embodiment provides a solid heat storage electric boiler coupled salt production system, such as image 3 As shown, compared with Example 1, the solid heat storage electric boiler 1 described in this embodiment is installed in a substation, a commercial building or an industrial park, and is powered by the peak-shaving and frequency-regulating surplus power in the factory. The salt device is connected, the solid heat storage electric boiler 1 can heat and store heat during the power supply period, and can continue to supply heat by relying on the residual temperature of the heated solid heat storage body 101 during the non-power supply period, so as to realize the continuous heat supply of the salt making device. It makes up for the problem of insufficient flue gas parameters or flow in the existing multi-effect vacuum evaporation salt production process, so that the salt production work can be carried out continuously and stably. At the same time, the solid heat st...

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Abstract

The invention discloses a solid heat storage electric boiler coupled salt manufacturing system and a power grid peak load and frequency regulation method. The solid heat storage electric boiler coupled salt manufacturing system comprises a solid heat storage electric boiler and a salt manufacturing device, and the solid heat storage electric boiler is connected with the salt manufacturing device; a solid heat accumulator is heated to realize heat accumulation by utilizing peak load and frequency regulation surplus electric power of a power grid or a power plant, so that hot air or hot steam is generated and supplied to an evaporation unit, a dehydration unit or a drying unit of the salt manufacturing device; a purification unit is connected with a lime supply unit or an activated carbon supply unit, and lime or activated carbon is used as a purifying agent to purify raw brine; and the salt manufacturing device uses hot air or steam generated by the solid heat storage electric boiler as a heat source for evaporation, dehydration or drying. The system is simple in structure, power is supplied to the solid heat storage electric boiler through peak load and frequency regulation surplus power, a heat source is provided for the salt manufacturing device through the solid heat storage electric boiler, the consumption amount of the peak load and frequency regulation surplus power is increased, and the production cost of salt manufacturing is also reduced.

Description

technical field [0001] The invention relates to the field of electric boiler and salt production technology, in particular to a salt production system coupled with a solid thermal storage electric boiler and a method for peak regulation and frequency regulation of a power grid. Background technique [0002] Salt is a necessity for human life and a basic raw material for the chemical industry. It is also widely used in other industrial sectors and in agriculture, animal husbandry and fishery. The ideal goal pursued by modern salt-making enterprises is to reduce product energy consumption and management costs; improve product quality and product comprehensive benefits to achieve high quality and high price; expand product diversification to meet the needs of different customers and increase sales. [0003] Evaporation and crystallization is an important operation unit of the salt production process. The current mainstream technology is multi-effect vacuum evaporation. The numb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B1/28F22B37/47F28D20/00H02J3/28H02J3/46C01D3/06
CPCF22B1/28F22B37/47F28D20/0056H02J3/46H02J3/28C01D3/06Y02E60/14
Inventor 崔华杨豫森李伟
Owner HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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