Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates

A hot-dip galvanized sheet and adjustment device technology, applied in hot-dip galvanizing process, coating, metal material coating process, etc., can solve the problem of low utilization rate of waste heat air, loss of effective use of waste heat, drop in temperature of waste heat air, etc. question

Active Publication Date: 2009-12-16
CHANGSHU HUAYE STEEL STRIP
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Problems solved by technology

However, because the outside air is always sucked in through the gap, the temperature of the waste heat air drops significantly, and the value of effectively utilizing the waste heat is lost, or the utilization rate of the waste heat air is not high. contrary to the spirit of

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  • Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates
  • Pressure adjusting device for radiation pipe of heating furnace in production of hot galvanized plates

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Embodiment Construction

[0020] In order to enable the examiners of the patent office, especially the public, to understand the technical essence and beneficial effects of the present invention more clearly, the applicant will describe in detail below in conjunction with the accompanying drawings in the form of embodiments, but none of the descriptions of the embodiments is a description of the present invention. Restriction of the inventive solution, any equivalent transformation made according to the concept of the present invention which is only in form but not in substance shall be regarded as the scope of the technical solution of the present invention.

[0021] please see figure 1 , since the technicians in the field are not unfamiliar with the structure and function of the heating furnace and radiant tube in the production of hot-dip galvanized sheet, the applicant figure 1 Only a part of the furnace is shown in , and the radiant tube only shows two units. According to known common sense, in...

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Abstract

The invention discloses a pressure adjusting device for a radiation pipe of a heating furnace in production of hot galvanized plates, and belongs to the technical field of accessories for furnaces. The heating furnace comprises a furnace body and radiation pipes which are arranged in a hearth of the furnace body at intervals; a waste gas exhaust port of an exhaust pipe of the radiation pipe is matched with a connector of the waste gas exhaust pipe and extends into the connector; the pressure adjusting device for the radiation pipe comprises a junction pipe and a pressure adjusting valve; one end of the junction pipe is connected with the exhaust pipe and communicated with the exhaust pipe; the pressure adjusting valve is fixed at the other end of the junction pipe in a suspended state; and the waste gas exhaust port and the connector are sealed by a sealing plate. The pressure adjusting device has the advantages that the device meets the requirement of negative pressure stabilization in the radiation pipes by the on and off change of the pressure adjusting valve under the action of a negative pressure blower of the waste gas exhaust pipe, and has ideal energy-saving effect.

Description

technical field [0001] The invention belongs to the technical field of furnace accessories, in particular to a radiation tube pressure adjusting device for a heating furnace in the production of hot-dip galvanized sheets. Background technique [0002] As is known in the industry, the radiant tube of the heating furnace is an indirect heating component or indirect heating facility. The gas and combustion air burn inside the closed radiant tube, which heats up the tube wall of the radiant tube and radiates heat outward, so that The galvanized sheet passing through the heating furnace and located between the radiant tubes facing up and down is heated. The reason why radiant tube radiation heating is used is to avoid the combustion atmosphere from affecting the galvanized sheet. [0003] The air supply (providing combustion gas) and exhaust method of the above-mentioned radiant tubes usually adopts the blowing type, that is, a blower or similar device is used to send combustion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/06C23C2/40
Inventor 许秀飞杭永海
Owner CHANGSHU HUAYE STEEL STRIP
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