Industrial furnace waste heat recovery device and working method thereof
A waste heat recovery device and technology for waste heat recovery, applied in furnaces, waste heat treatment, furnace components, etc., can solve the problems that particles and waste gas cannot be effectively reused, the recovery method of heat recovery device is single, and the heat loss of flue gas is large, etc., to achieve convenience Observation, prolonging the contact area and contact time, and improving the effect of utilization
Inactive Publication Date: 2021-06-25
ZUORAN JINGJIANG EQUIP MFG +1
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Problems solved by technology
[0005] In order to overcome the single recovery method of the existing flue gas heat recovery device and the poor efficiency of heat interaction, the heat loss in the flue gas is relatively large, and a large number of incompletely burned particles and exhaust gas in the flue gas cannot be effectively reused technical problem, the object of the present invention is to provide an industrial furnace waste heat recovery device and its working method for solving the following problems:
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[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0045] see Figure 1-8 As shown, an industrial furnace waste heat recovery device includes a waste heat recovery box 1 and a secondary combustion box 2. The interior of the secondary combustion box 2 is provided with a combustion chamber 3 and a heating chamber 4 sequentially from bottom to top, and the waste heat recovery box 1 is Blower 18, steam discharge pipe 15, water inlet pipe 16 and waste gas discharge pipe 17 are installed, blower 18 and waste gas discharg...
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The invention discloses an industrial furnace waste heat recovery device and a working method thereof, and relates to the technical field of industrial production. The side face of a waste heat recovery box is fixedly connected with an inspection window; a protective film is installed on the side, close to the inspection window, of the interior of the waste heat recovery box; the bottom of the waste heat recovery box is fixedly connected with a flue gas inlet pipe; the two sides of the waste heat recovery box are fixedly connected with water dispersing plates; the side of the two groups of water dispersing plates is fixedly connected with connecting pipes; a flue gas recovery pipe and a secondary recovery pipe are fixedly connected between the waste heat recovery box and a secondary combustion box; and an air inlet of the flue gas recovery pipe is fixedly connected with the top of a winding box. According to the industrial furnace waste heat recovery device and the working method thereof provided by the invention, the waste heat recovery box and the secondary combustion box are arranged, the waste heat recovery box can recover flue gas discharged by a main industrial furnace through the flue gas inlet pipe, and after entering the waste heat recovery box, the flue gas can penetrate through the heat recovery plate through a flue gas passing pipe, so that heat is transferred to cold water in the heat recovery plate, and heat of the flue gas is recovered.
Description
technical field [0001] The invention relates to the technical field of industrial production, in particular to an industrial furnace waste heat recovery device and a working method thereof. Background technique [0002] Industrial furnaces are thermal equipment that use heat from fuel combustion or electrical energy conversion to heat materials or workpieces in industrial production. Industrial furnaces are divided into two types according to the heating method: one is the flame furnace, which uses the combustion heat of solid, liquid or gas fuel in the furnace to heat the workpiece; the second is the electric furnace, which converts electrical energy into heat in the furnace. heating. When using solid, liquid or gaseous fuels, a large amount of flue gas is produced, which contains a large amount of heat, and some flue gas also contains incompletely burned particles and exhaust gas. [0003] After searching, the Chinese patent discloses a flue gas heat recovery boiler (pub...
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IPC IPC(8): F27D17/00F27D21/02
CPCF27D17/004F27D21/02F27D2017/006Y02P10/25
Inventor 陈俊李慧宋永献龚成龙张元良
Owner ZUORAN JINGJIANG EQUIP MFG