Energy-saving furnace

An energy-saving furnace and sealing end technology, which is applied in the field of heating furnaces, can solve the problems of increasing gas consumption, production costs, heat energy loss, waste, etc., and achieve the effects of reducing consumption, improving combustion efficiency, and reducing costs

Inactive Publication Date: 2012-02-29
WUXI SHUNTE METAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In mechanical processing, such as hot-dip galvanizing and other processes, gas furnaces are used to preheat workpieces. Usually, gas furnaces only have simple gas inlet pipes, air pipes and exhaust pipes. Gas and air are mixed and burned to produce Heat energy is

Method used

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Example Embodiment

[0012] like figure 1 As shown, a specific embodiment of the present invention is provided. In the figure, the two ends of the U-shaped sleeve 3 each have a flange 4 structure, and one end is connected to the smoke exhaust pipe 10 of the combustion chamber 9 through the flange 4 , the other end is covered on the preheating pipe 2, the bottom of which is installed with a sealing end 6 through the flange 4, the upper end of the preheating pipe 2 is sealed, the lower end is sealed and fixed on the bottom of the sealing end 6, and the air pipe 1 is connected 6. The bottom is inserted into the preheating pipe 2. On the side of the bottom of the preheating pipe 2, there is an outlet pipe 8 passing through the sealing end 6 to connect to the combustion chamber 9. The sealing end 6 is provided with a smoke exhaust pipe 10 Small flue gas outlet 5.

[0013] When the flue gas discharged from the combustion chamber 9 enters the U-shaped casing 3 along the direction of the arrow, the remai...

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Abstract

The invention relates to an energy-saving furnace, which comprises a combustion chamber and a smoke exhaust port, and also comprises a smoke waste heat recycling pipeline, wherein the smoke waste heat recycling pipeline comprises an air pipe, a pre-heating pipe and a U-shaped bushing, one end of the U-shaped bushing is sleeved on a smoke exhaust pipe, the other end of the U-shaped bushing is sleeved on the pre-heating pipe, the bottom part of the U-shaped bushing is provided with a sealing end, the upper end of the pre-heating pipe is sealed, the lower end of the pre-heating pipe is fixedly connected to the bottom part of the sealing end, the side edge of the bottom part of the pre-heating pipe is provided with a gas outlet pipe which accesses to the combustion chamber, the air pipe passes through the bottom part of the sealing end to be plugged into the pre-heating pipe, and the sealing end is provided with a smoke outlet with the diameter being smaller than the aperture of the smoke exhaust pipe; and two ends of the U-shaped bushing are connected with the smoke exhaust pipe and the sealing end respectively through a flange structure. Air is supplied to the combustion chamber after being heated by the waste heat of the smoke, so the combustion efficiency is higher, the combustion efficiency of the furnace can be improved, the consumption can be reduced, and the cost is reduced.

Description

technical field [0001] The invention relates to a heating furnace, in particular to an energy-saving furnace capable of recovering waste heat from flue gas. Background technique [0002] In mechanical processing, such as hot-dip galvanizing and other processes, gas furnaces are used to preheat workpieces. Usually, gas furnaces only have simple gas inlet pipes, air pipes and exhaust pipes. Gas and air are mixed and burned to produce Heat energy is used for heating, but the flue gas discharged after combustion usually has a high temperature of more than 200 degrees, which causes a large amount of heat energy loss, which invisibly causes a large waste, and increases gas consumption and production costs of enterprises. Contents of the invention [0003] The invention provides an energy-saving furnace, which can utilize the waste heat of flue gas, improve the gas utilization rate and reduce the cost. [0004] In order to achieve the above purpose, the following technical solut...

Claims

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Application Information

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IPC IPC(8): F23L15/04
CPCY02E20/34
Inventor 王一新黎立
Owner WUXI SHUNTE METAL PROD
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