Blackbody radiation boiler and manufacturing method thereof

A technology of black body radiation and manufacturing method, applied in steam generation method, fluid heater, steam generation and other directions, can solve the problems of insufficient utilization of thermal energy, large overall structure of the boiler, and increased operating cost, and achieves simple structure, High operating efficiency and improved environmental protection function

Inactive Publication Date: 2010-12-22
魏玉文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many types of boilers, and the common disadvantages of various boilers are: 1) The heat energy is not fully utilized in the furnace, and the flue gas after heating the drum still carries a large amount of heat when it leaves the furnace and flows downstream. The high-quality heat energy just released by the fuel in these let-off furnaces gradually depreciates as "waste heat" with lower and lower energy levels in the process of flowing downstream! 2) In order to improve the existing thermal efficiency of the boiler (55-85%), people add boiler tube bundles, steam superheaters, economizers and many other devices on the path of flue gas flow, in order to reduce the depreciated waste heat, Recycling step by step until the exhaust gas temperature drops below 200°C, the overall structure of the boiler will become larger and more complex, the investment will increase, and the operating cost will increase.
However, the parts such as the separator of this boiler wear very seriously, and the boiler is often shut down due to wear.

Method used

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  • Blackbody radiation boiler and manufacturing method thereof
  • Blackbody radiation boiler and manufacturing method thereof
  • Blackbody radiation boiler and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0031] Embodiment 1: black body radiation fire tube boiler and its manufacturing method

[0032] Such as figure 1 , 2 , 3, the blackbody radiation fire tube boiler of the present invention includes a furnace 1, and 20 blackbody elements 2 are arranged in the furnace 1.

[0033] The inner and outer surfaces of the above-mentioned blackbody element 2 are compounded with a strengthened treatment layer 11 and an infrared coating 12 .

[0034] The center-to-center distance between the above-mentioned adjacent blackbody elements 2 is 200mm, so as to meet the requirement of furnace temperature uniformity.

[0035] The shape of the above-mentioned black body element 2 is a cylindrical shape with an open end.

[0036] The above-mentioned furnace 1 has a blackbody element carrier 7 supported in the furnace 1 , and the blackbody element 2 is mounted on the blackbody element carrier 7 .

[0037] The working surface 8 of the above-mentioned blackbody element carrier 7 faces the heating...

Embodiment 2

[0049] Embodiment 2: Black body radiation chain row boiler and its manufacturing method

[0050] Such as figure 1 , 4 As shown, the blackbody radiant boiler of the present invention has 50 blackbody elements 2 in the furnace, the shape of the blackbody elements 2 is a hollow cone shape, the center distance between the blackbody elements 2 is 100 mm, and the blackbody elements 2 are fixed on the furnace 1 On the front and rear arches 4 and 5 of the furnace wall 3, the blackbody element 2 is fixed by heat-resistant screws and sintered together with the front and rear arches 4 and 5. Except for the manufacture and installation of the blackbody element 2, the rest are the same as in Example 1 . The black body element 2 is installed on the front and rear arches 4 and 5 of the chain row boiler. The installation position of the black body element 2 on the front arch 4 makes the heat rays emitted by the black body element 2 just hit the ignition position of the coal, so that the fir...

Embodiment 3

[0051] Embodiment 3: blackbody radiant fluidized bed boiler and its manufacturing method

[0052] Such as figure 1 , 5 As shown, the blackbody radiant boiler of the present invention has 100 blackbody elements 2 in the furnace 1, the shape of the blackbody elements 2 is a combined shape of a cylinder and a cavity cone, and the center distance between the blackbody elements 2 is 280 mm. Except for installing the blackbody element 2, the others are the same as in Embodiment 1. The black body element 2 is installed on the furnace wall 3 of the furnace 1 in the dilute-phase zone of the fluidized bed boiler to increase the temperature of the furnace 1 and improve the pulverized coal combustion condition.

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PUM

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Abstract

The invention relates to a boiler, in particular to a blackbody radiation boiler and a manufacturing method thereof, belonging to the boiler manufacturing technical field. The blackbody radiation boiler comprises a hearth which is internally equipped with at least 20 blackbody elements. The blackbody radiation boiler fully utilizes high-quality heat energy in primary heat transfer of the boiler. The boiler has rational design, simple structure, convenient manufacture and use, low cost, high working performance, energy conservation up to 8-12% and reduced fume emission temperature by 25 DEG C, thus being beneficial to fuel ignition to enlarge applicability of fuel, being beneficial to fuel burnout to reduce chemical heat loss of the fuel, strengthening thermal insulation property to be beneficial to restarting after fire cutoff and increasing boiler output, reducing boiler emission to improve environmental protection function, and prolonging service life of a boiler arch to lower maintenance cost. The boiler has a simplified downstream heat energy utilization device, thus saving steel and reducing floor space of the boiler.

Description

Technical field: [0001] The invention belongs to the technical field of boilers and manufacturing methods thereof, and in particular relates to a blackbody radiation boiler and a manufacturing method thereof. Background technique: [0002] The boiler uses the heat energy from the combustion of fossil fuels in its furnace to heat the water in the drum and the water wall to increase the temperature of the water or further vaporize the water, and finally outputs hot water or steam with a certain temperature and pressure to supply The user uses it as a secondary energy source, and the boiler has become an indispensable special important equipment for modern production and life. There are many types of boilers, and the common disadvantages of various boilers are: 1) The heat energy is not fully utilized in the furnace, and the flue gas after heating the drum still carries a large amount of heat when it leaves the furnace and flows downstream. The high-quality heat energy just re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/00F22B1/00
Inventor 魏玉文李治岷
Owner 魏玉文
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