Boiler flue

A boiler flue and flue technology, which is applied in hot water boilers, high-efficiency and energy-saving boiling water fields, can solve problems such as difficult production, installation and maintenance, and occupation of effective water-holding space of the furnace, and achieves compact structure, simple manufacturing process, and high thermal efficiency. Start fast effect

Inactive Publication Date: 2009-04-01
李思豪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the spiral flue has disadvantages such as being difficult to manufacture, install and maintain, and occupying too much effective water-holding space of the furnace.

Method used

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  • Boiler flue
  • Boiler flue
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Examples

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Such as figure 1 with figure 2 , the structure of the present invention is as follows: a kind of normal pressure boiler flue, relates to the furnace 1 that is surrounded by the pot shell 14, is located in the furnace 2 with the fire door 3 in the furnace 1, passes through the furnace 1 The flue 4 of the furnace 2 is characterized in that the inner and outer surfaces of a section of the flue 4 in the furnace 1 are at least partly in a shape of alternating convex and concave. The wall of the furnace is also provided with an opening 5 between the furnace and the atmosphere, a hot water outlet 6, a boiling water outlet 7, a water inlet 8, a sewage outlet 9, a temperature control device 10, and a water level control device 11.

[0023] Such as Figure 4 The cross-sectional shape of a section of the flue 4 located in the furnace 1 is generally circular, but there ...

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PUM

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Abstract

A boiler flue relates to a furnace liner (1) surrounded by a furnace wall, a hearth (2) arranged in the furnace liner (1) and provided with a touchhole (3) as well as a flue (4) penetrating the hearth (2) from the furnace liner (1). The boiler flue is characterized in that at least parts of the inner surface and the outer surface of the wall of a section of the flue (4) in the furnace liner (1) are convex alternating with concave shapes. For example, the shape of the transverse section of a section of the flue (4) in the furnace liner (1) is a circle integrally; but along the transverse direction or the longitudinal direction of the wall of the section of the flue (4) alternate convex bodies (12) or grooves (13) are arranged, or the integrality is a rectangle; but at least one of the four surfaces of the wall of the section of the flue (4) is the alternate convex bodies (12) or grooves (13) along the transverse direction or the longitudinal direction. The section of the flue (4) can be communicated with the outlet of the flue (4) after returning for twice in the furnace liner (1) so as to increase the contact area between the flue and the water to be heated, thus having higher heat efficiency.

Description

1. Technical field [0001] The invention relates to a high-efficiency energy-saving boiling water and hot water boiler (stove), in particular to a high-efficiency energy-saving boiler (stove) flue. 2. Background technology [0002] The boiling water boilers (stoves) or hot water boilers (stoves) widely used at present basically belong to the shell type, water pipe type, and smoke pipe type, which have high manufacturing cost, complicated process, poor heat transfer effect, inconspicuous energy saving, and large pollution. And the running cost is high. With the continuous improvement of energy-saving and environmental protection requirements in our country, on the other hand, with the continuous increase in the cost of steel, it plays a vital role in promoting social development to have low-cost, safe, reliable, easy-to-use and more energy-saving and environmentally friendly products. [0003] Boiler (stove) flue is often one of the main components of boiler (stove) energy in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/20F24H1/28F23J11/00
Inventor 夏玉彬李思豪
Owner 李思豪
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