High-energy efficiency low energy consumption large-sized natural circulation boiler with water pipe

A technology of natural circulation and water tube boilers, applied in water heaters, lighting and heating equipment, fluid heaters, etc., to achieve low energy consumption, low emissions, and reduced steel consumption

Inactive Publication Date: 2009-01-07
王森
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention not only fundamentally solves the problem of natural circulation of large water tube boilers at present, but also has a significant effect on improving energy efficiency, reducing energy consumption and smoke emission

Method used

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  • High-energy efficiency low energy consumption large-sized natural circulation boiler with water pipe
  • High-energy efficiency low energy consumption large-sized natural circulation boiler with water pipe
  • High-energy efficiency low energy consumption large-sized natural circulation boiler with water pipe

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Embodiment Construction

[0012] Below in conjunction with accompanying drawing, the present invention is described in detail

[0013] A large-scale natural circulation water tube boiler with high energy efficiency and low energy consumption, which consists of a drum (16), downcomer (21), side upper and lower headers (13), (4), support and hanger (38), ejector tube ( 60), (61), characterized in that the upper end of the roof pipe (47) communicates radially with the longitudinal center of both sides of the drum (16), and its lower end is longitudinally connected with the top center of the side upper header (13) Evenly distributed and connected; the upper end of the water-cooled wall tube (10) communicates radially with the inner center of the upper side header (13) and radially communicates with the inner center of the lower side header (4) and radially communicates with the inner center of the lower side header (4); the convection tube bundle The upper end of (46) communicates with the lateral center o...

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Abstract

The invention relates to a large natural circulation water tube boiler with high efficiency and low energy consumption, which is widely used in the field of centralized heating. The water tube boiler is composed of a boiler barrel, a crossbar container, a descent pipe, an ejector tube, a waterwall, a convection bank and so on. The self structure of the boiler body considerably reduces the steel frame support of the non-heating surface, thus greatly reducing steel consumption; the natural circulation greatly reduces resistance to the circulation of water in the boiler, and observantly reduces the power consumption for a circulation pump; the boiler body has the function of self-dust removal, which facilitates subsiding and removing contaminants. The water tube boiler of the utility model has the advantages of greatly reducing the dust and contaminants on the heating surface, lowering the flow resistance and heat resistance, observantly reducing the power consumption of a draft fan, stabilizing operational efficiency and prolonging the service life of the boiler. The invention provides a centralized heating boiler characterized by being simple in manufacturing, safe and reliable in running, convenient for maintaining and overhauling, remarkable in energy saving, power consumption and emission reducing.

Description

technical field [0001] The invention relates to an industrial boiler, in particular to a large-scale layer-fired natural circulation hot water boiler for central heating. Background technique [0002] Most of the large water tube boilers currently on the market use forced circulation as the water circulation method in the furnace. Recently, although there is a boiler called the compound circulation method, it only has its advantages in power failure protection, but it is also in the category of forced circulation in essence. Disadvantages of forced circulation: First, increasing the resistance in the furnace increases the power consumption of the circulating pump; second, it greatly increases the number of sewage and exhaust points, making the operation and management complicated; third, it is not good for power failure protection. Water causes boiler failure. Fourth, it is difficult to find and repair once a tube burst fault point occurs. Fifth, it is difficult to remove di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/40F24H9/18
Inventor 王森
Owner 王森
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