Safe and energy-saving comprehensive utilization system for boiler

A safety and boiler technology, applied in the treatment of combustion products, combustion methods, heat exchangers, etc., can solve problems such as blockage, aggravate heating surface wear, increase fly ash hardness, etc., to ensure safety, adjust flexibility, and improve economy. Effect

Pending Publication Date: 2020-09-25
DATANG DONGBEI ELECTRIC POWER TESTING & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Achieving boiler safety and economy is the goal pursued by boiler design, construction, operation and maintenance. There are often contradictions in the pursuit of ultimate safety and economy. Boiler heat loss is the main way of boilers. The main means of reducing boiler heat loss is to reduce Lowering the exha

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  • Safe and energy-saving comprehensive utilization system for boiler
  • Safe and energy-saving comprehensive utilization system for boiler
  • Safe and energy-saving comprehensive utilization system for boiler

Examples

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Embodiment Construction

[0045] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0046] This embodiment provides a safety and energy-saving comprehensive utilization system for boilers, which mainly includes a flue gas heat release system, a waste heat utilization cycle heat exchange system, and a hot air heating system. Each system is described in further detail below.

[0047] 1. Flue gas heat release system

[0048] ginseng figure 1 As shown, the flue gas heat release system consists of a fly ash separator 11, a pre-dust collector heat exchanger 12 (including a soot blower 13), a primary heat exchanger 16 of the flue gas heat protection system in front of the desulfurization island, and a heat exchanger 16 in front of the desulfurization island. The

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Abstract

The invention relates to a safe and energy-saving comprehensive utilization system for a boiler. The system comprises a flue gas heat release system, a waste heat utilization circular heat exchange system and a hot air heating system, wherein the flue gas heat release system comprises a flue from an air pre-heater to a desulfuration island; a fly ash separator, a heat exchanger, a dust remover, aninduced draft fan, a primary heat exchanger and a secondary heat exchanger are successively arranged in the flue in a flue gas flowing direction; the flue from the secondary heat exchanger to the desulfuration island is an acid etching preventing flue; the primary heat exchanger and the secondary heat exchanger are arranged in a slightly inclined manner; the waste heat utilization circular heat exchange system comprises a water supplementing water tank, a circulating pump of a steam-air heater, a primary heat exchanger at an outlet of the induced draft fan, a secondary heat exchanger at an outlet of the induced draft fan, a heat exchanger at an inlet of a dust remover, a primary heat exchanger at an inlet of a fan, a secondary heat exchanger at the inlet of the fan, a high-temperature cooler and a deaerator of a steam turbine. The hot air heating system comprises a blowing heating system and a primary air heating system. The safe and energy-saving comprehensive utilization system canachieve safe and energy-saving comprehensive utilization of the boiler.

Description

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Claims

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Application Information

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Owner DATANG DONGBEI ELECTRIC POWER TESTING & RES INST
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