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Contact heat exchange desulfurization and denitrification integrated natural gas condensation boiler

A desulfurization, denitrification, and condensing boiler technology, applied in the field of natural gas boilers, can solve the problems of complex structure, low utilization rate of latent heat of water vapor, high cost, etc., and achieve the effects of reducing water carry-over, preventing emission from polluting the environment, and improving heat exchange efficiency

Pending Publication Date: 2017-12-19
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to design a contact heat exchange desulfurization and denitrification integrated natural gas condensing boiler to solve the existing problems of complex structure, high cost and low utilization rate of water vapor latent heat in the exhaust gas in the existing natural gas condensing boiler

Method used

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  • Contact heat exchange desulfurization and denitrification integrated natural gas condensation boiler
  • Contact heat exchange desulfurization and denitrification integrated natural gas condensation boiler

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] refer to figure 1 , an embodiment of the contact heat exchange type desulfurization and denitrification integrated natural gas condensing boiler of the present invention, comprising: a boiler body 1, a burner 2, a flue gas water supply heat exchanger 4, a contact condensing flue gas cooler 5 and a contact type Air heater 12.

[0030]The flue gas inlet of the boiler body 1 is connected to the flue gas outlet of the burner 2, the water outlet of the flue gas water supply heat exchanger 4 is connected to the water inlet of the boiler body 1, and the flue gas inlet of the flue gas water supply heat exchanger 4 is connected to the The flue gas outlet of the boiler body 1 is connected; the flue gas inlet of the contact condensing flue gas cooler 5 is connected with the flue gas outlet of the flue gas water supply heat exchanger 4 th...

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Abstract

The invention discloses a contact heat exchange desulfurization and denitrification integrated natural gas condensation boiler. A smoke outlet of a combustor communicates with a smoke inlet of a boiler body; a water outlet of a smoke water feeding heat exchanger communicates with a water inlet of the boiler body; a smoke inlet of the smoke water feeding heat exchanger communicates with a smoke outlet of the boiler body; a smoke inlet of a contact condensation smoke cooler communicates with the smoke outlet of the smoke water feeding heat exchanger through a first pipeline; an ozone adding port is formed in the first pipeline, and communicates with an ozone adding device; a wet air outlet of a contact air heater communicates with a combustion assistance gas inlet of the combustor; and a condensation absorbing liquid inlet of the contact air heater communicates with a condensation absorbing liquid outlet of the contact condensation smoke cooler. The desulfurization and denitrification natural gas condensation boiler is simple in structure, environment-friendly, high in efficiency, lower in investment cost and higher in utilization rate of latent heat of water vapor in discharged smoke.

Description

technical field [0001] The invention belongs to the technical field of natural gas boilers, in particular to a contact heat exchange type desulfurization and denitrification integrated natural gas condensing boiler. Background technique [0002] Coal combustion will produce more pollutants, which will have a greater impact on the environment. With the improvement of people's environmental and ecological awareness in recent years, the use of coal has been more and more restricted, and the use of clean energy such as natural gas has become more and more widely. After the natural gas is burned, the flue gas contains more water vapor, and a large part of energy is stored in the latent heat of water vapor, which can be utilized through phase conversion heat. [0003] As a typical heat exchange equipment, condensing boilers are energy-saving and environmentally friendly, and will gradually become the mainstream of natural gas boilers. In order to ensure the flue gas temperature ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H8/00F24H9/18F24H9/00F23L15/04F23C9/00F23J15/00F23J15/02F23J15/06
CPCF23C9/00F23J15/006F23J15/02F23J15/06F23L15/04F24H8/003F24H9/0036F24H9/1836F23C2202/30F23J2215/20F23J2215/10Y02B30/00Y02E20/34
Inventor 刘银河王璐凯车得福徐嘉禾徐翔
Owner XI AN JIAOTONG UNIV
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