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Double-effect device for utilizing waste heat of tail gas of gas-fired boiler and eliminating colored smoke plume

A gas-fired boiler and exhaust gas technology, which is applied in the application, heating fuel, heating method, etc., can solve the problems of flue gas falling to temperature T, low temperature T, etc., and achieve the effect of eliminating moisture content

Pending Publication Date: 2020-04-07
TIANJIN UNIV OF COMMERCE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the temperature T is often low, close to 0 degrees. Due to the existence of the heat transfer temperature difference, it is difficult to reduce the flue gas to the temperature T by exchanging heat with water.

Method used

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  • Double-effect device for utilizing waste heat of tail gas of gas-fired boiler and eliminating colored smoke plume
  • Double-effect device for utilizing waste heat of tail gas of gas-fired boiler and eliminating colored smoke plume

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Embodiment Construction

[0018] For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations". Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

[0019] Such ...

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PUM

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Abstract

The invention relates to the technical field of environmental protection devices, in particular to a double-effect device for utilizing waste heat of tail gas of a gas-fired boiler and eliminating colored smoke plume. The double-effect device comprises a smoke-organic working medium heat exchanger, a smoke-water heat exchanger, a compressor, a condenser, a drying filter, a metal corrugated pipe, astop valve, a hot water pump, a water-water heat exchanger, a U-shaped pipe and an expansion valve. The mode adopted by the invention is a condensation dehumidification mode, the flue gas temperatureis reduced to T through two-stage cooling and heat pump technologies, the moisture content in the flue gas is effectively reduced to eliminate colored smoke plume, waste heat in the flue gas is recycled, the quality is improved, and the double-effect device is used for supplying heat and has environment-friendly and energy-saving values.

Description

technical field [0001] The invention relates to the technical field of environmental protection devices, in particular to a double-effect device for utilizing gas boiler exhaust waste heat and eliminating colored plume. Background technique [0002] Resource conservation and environmental protection are the basic national policies of our country, and energy conservation and emission reduction is an inevitable choice for building a resource-saving and environment-friendly society. In recent years, with the development and progress of the society, the country's requirements for comprehensive energy utilization have gradually increased, and the work of energy conservation and environmental protection has been paid more and more attention. The energy problem is tense, and it is increasingly urgent to improve the efficiency of the central heating system. As a clean energy, natural gas has been paid more and more attention to its efficient utilization. At present, the low calorifi...

Claims

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Application Information

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IPC IPC(8): F23J15/06F24D3/18
CPCF23J15/06F24D3/18F24D2200/123F24D2200/18Y02E20/30
Inventor 董胜明朱婷婷熊晋慷周璇张越张蓉黑润琦樊亚丽
Owner TIANJIN UNIV OF COMMERCE
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