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Flue exhaust heat utilization structure with heat-insulating layer

A technology of flue waste heat and heat insulation layer, applied in the field of industrial waste heat utilization, can solve the problems of wasting energy, polluting the environment, and high flue gas temperature, and achieve the effects of protecting the environment, fast heat exchange, and less heat loss.

Inactive Publication Date: 2015-06-03
TIANJIN LONGHUI CARBON GRAPHITE PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The temperature of the flue gas at the outlet of the boiler is high, and it is directly discharged into the air, which not only pollutes the environment, but also wastes energy

Method used

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  • Flue exhaust heat utilization structure with heat-insulating layer

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Embodiment Construction

[0012] Such as figure 1 As shown, the present invention includes a flue inserting plate 1, the flue inserting plate includes an upper cover 2, a heat exchange tube 3, the heat exchange tube 3 is provided with a water inlet 4, a water outlet 5, and the upper cover 2 Located above the heat exchange tube 3, the heat exchange tube 3 is a metal pipe with good thermal conductivity, and a rubber heat insulation layer 6 is provided between the upper cover and the heat exchange tube.

[0013] In the flue, the high-temperature flue gas exchanges heat with the water flowing through the heat exchange tube 3 through the water inlet 4 under the heat conduction effect of the heat exchange tube 3, and then the hot water flows out through the water outlet 5 for use. The existence of the thermal layer 6 makes the heat energy loss of the high-temperature flue gas less, and the degree of utilization is high.

[0014] An embodiment of the present invention has been described in detail above, but ...

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Abstract

The invention creatively provides a flue exhaust heat utilization structure with a heat-insulating layer; the flue exhaust heat utilization structure is characterized by comprising a flue slide plate; the flue slide plate comprises an upper cover and a heat exchange pipe; a water inlet and a water outlet are formed on the heat exchange pipe; the upper cover is located above the heat exchange pipe; and the heat-insulating layer is arranged between the upper cover and the heat exchange pipe. The flue exhaust heat utilization structure with the heat-insulating layer has the following advantages and positive effects: by adopting the above technical scheme, the heat of high-temperature flue gas in a flue is utilized effectively; the heat exchange speed is fast, less heat is lost, the utilization degree is high, the energy source is saved and the environment is protected.

Description

technical field [0001] The invention belongs to the field of industrial waste heat utilization, and in particular relates to a flue waste heat utilization structure with a heat insulating layer. Background technique [0002] In the existing technology, the waste heat utilization rate of carbon production is not high, and the flue gas discharged from the boiler is generally directly discharged into the air. The temperature of the flue gas at the boiler outlet is high, and it is directly discharged into the air, which not only pollutes the environment, but also wastes energy. How to make full use of the heat of high-temperature flue gas is a problem to be solved in carbon calcination and similar industries. Contents of the invention [0003] The problem to be solved by the invention is to provide a flue waste heat utilization structure with a heat insulating layer, which can effectively utilize the heat of high-temperature flue gas in the flue, save energy and protect the e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D1/02F28F13/00
Inventor 陈泉奎
Owner TIANJIN LONGHUI CARBON GRAPHITE PROD