Boiler waste heat collecting and waste gas purifying system

An exhaust gas purification system and boiler waste heat technology, which is applied in the field of boiler energy saving, can solve the problems of accumulated smoke and dust, decreased heat exchange efficiency, and large dust content in the flue gas, and achieves the goal of avoiding accumulation of smoke and dust, improving recovery efficiency and high heat exchange efficiency. Effect

Inactive Publication Date: 2017-05-31
JIANGSU HUAYUE SPECIAL EQUIP
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Problems solved by technology

[0003] The purpose of the present invention is to provide a boiler waste heat collection and exhaust gas purification system to solve the problem that the existing boiler flue gas used in iron and steel enterprises has a large dust content. It will accumulate smoke and dust, resulting in a decrease in heat exchange efficiency and technical problems of boiler exhaust gas polluting the environment

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  • Boiler waste heat collecting and waste gas purifying system

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Embodiment Construction

[0012] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0013] Such as figure 1 As shown, a boiler waste heat collection and waste gas purification system includes: the boiler waste heat collection and waste gas purification system includes a boiler waste heat collection tube heat exchanger and a waste gas purification device 14 connected in sequence, wherein the heat exchanger The heat exchange tubes are vertically arranged, and the two ends of the heat exchange tubes are respectively a water inlet 2 and a water outlet 3, and the water inlet 2 and the water outlet 3 are all arranged on the top of the heat exchanger. The left lower end of the heat exchanger is provided with an air inlet 4, the upper right end of t...

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Abstract

The invention relates to a boiler waste heat collecting and waste gas purifying system which comprises a boiler waste heat collecting tubular heat exchanger and a waste gas purifying device, wherein the boiler waste heat collecting tubular heat exchanger communicates with the waste gas purifying device in sequence. Through an electric dust removal brush arranged in the heat exchanger and an ultrasonic atomizer arranged on the side wall of the heat exchanger, smoke is prevented from being accumulated on the heat exchange tube wall, the high heat exchange efficiency can be kept continuously, waste heat recycling is conducted sufficiently, and the recycling benefits of the waste heat system are improved; and by arranging the waste gas purifying device at an air outlet of the boiler waste heat collecting tubular heat exchanger, waste gas exhausted into the air is non-toxic and harmless, and environment pollution is avoided.

Description

technical field [0001] The invention relates to the technical field of boiler energy saving, in particular to a boiler waste heat collection and waste gas purification system. Background technique [0002] During the use of boilers in iron and steel enterprises, a large amount of fuel is usually consumed, accompanied by a large amount of flue gas, and the exhaust gas temperature of the boilers used in iron and steel enterprises is also very high. In the past, these high-temperature flue gases were directly discharged to the atmosphere , resulting in a huge waste of resources. At present, in order to save energy, many technologies have been produced to recover the waste heat of this high-temperature flue gas. In the existing technology, the waste heat recovery and utilization facilities usually used are heat exchangers, which are A device that can not only reduce the temperature of flue gas, but also utilize high-temperature flue gas to achieve the purpose of heat exchange. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23J15/06F28G1/00
CPCY02E20/30
Inventor 朱正虎
Owner JIANGSU HUAYUE SPECIAL EQUIP
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