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Smoke waste heat comprehensive utilization device and method

A flue gas waste heat and flue gas heater technology, applied in the fields of power saving and environmental protection, can solve the problem of difficult dust removal, and achieve the effects of reducing anti-corrosion investment, improving dust removal efficiency and reducing emissions

Inactive Publication Date: 2014-09-17
舒少辛 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Limited by the working mechanism of the electrostatic precipitator, it is difficult for the electrostatic precipitator to remove all the dust in the flue gas

Method used

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  • Smoke waste heat comprehensive utilization device and method

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Embodiment Construction

[0044] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation of a device and method for comprehensive utilization of flue gas waste heat proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. , structure, method, step, feature and effect thereof, detailed description is as follows.

[0045] see figure 1 Shown is a schematic diagram of a preferred embodiment of a device for comprehensive utilization of flue gas waste heat in the present invention. A device for comprehensive utilization of flue gas waste heat in the present invention is mainly composed of a flue gas cooler 1 , a flue gas heater 2 and a closed circulation pump 5 . Among them, the flue gas cooler 1 is arranged on the flue of the flue gas outlet of the boiler air preheater, and the flue gas heater 2 is arranged on the flue...

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Abstract

The invention discloses a smoke waste heat comprehensive utilization device and a smoke waste heat comprehensive utilization method. The device comprises a smoke cooler, a smoke heater and a closed circulation pump, wherein the smoke cooler is arranged on a flue of the smoke outlet of a boiler air pre-heater; the smoke heater is arranged on a flue of the smoke outlet of a desulphurization tower; the water outlet of the smoke cooler and the water inlet of the smoke heater are connected by a first pipeline, and the water outlet of the smoke heater and the water inlet of the smoke cooler are connected by a second pipeline, so that a closed circulation water main circuit is formed; the closed circulation pump is arranged on the closed circulation water main circuit. According to the smoke waste heat comprehensive utilization device and the smoke waste heat comprehensive utilization method, waste heat of the boiler discharged smoke of a thermal generator set is mainly used as a heat source to heat pure smoke of the smoke outlet of a wet desulphurization tower, the operation is stable, safe and environment-friendly, and the energy-saving and environment-friendly effects are excellent.

Description

technical field [0001] The invention belongs to the fields of electric power energy saving and environmental protection, and in particular relates to a device and method for comprehensive utilization of flue gas waste heat. Background technique [0002] As the society pays more and more attention to environmental protection, in order to protect air quality, thermal power plants basically adopt flue gas desulfurization technology. Among them, limestone wet desulfurization has been widely used because of its mature technology, high efficiency, and reliable operation. At present, the wet desulfurization system basically adopts the "wet flue gas discharge" scheme, and the net flue gas flowing through the desulfurization absorption tower is directly discharged to the atmosphere through the chimney. Since the net flue gas discharged from the desulfurization absorption tower is saturated wet flue gas, when it passes through the downstream flue and chimney, it will condense water a...

Claims

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Application Information

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IPC IPC(8): F23J15/06F23J15/08F22D1/18
CPCY02E20/30
Inventor 舒少辛
Owner 舒少辛
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