Heat air return pipeline assembly of aluminum skimming furnace

Abstract

The utility model relates to the technical field of aluminum skimming furnaces, in particular to an aluminum skimming furnace heat air return pipeline assembly which comprises a device body, the device body comprises a furnace body, and the top end of the furnace body is connected with a smoke exhaust pipe; the outer wall of the smoke exhaust pipe is sleeved with a heat absorption mechanism, the heat absorption mechanism comprises a buckling type heat absorption pipe, and a flow guide plate is arranged on the inner surface of the buckling type heat absorption pipe. The buckling type heat absorption pipe is connected to the outer surface of the smoke exhaust pipe in a sleeved mode, the flow guide plate arranged on the inner surface of the buckling type heat absorption pipe is used for guiding air entering the buckling type heat absorption pipe from the air inlet, hot air is supplied to the draught fan, and therefore original absorbed natural air is converted into absorbed hot air, the effect is improved, and energy is saved. The problem that the production cost of the aluminum skimming furnace is affected due to the fact that the temperature of the smoke exhaust pipe is too high and the smoke exhaust pipe is not utilized is solved, the waste heat utilization rate is increased, and energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aluminium scrap stove, concretely is a kind of aluminium scrap stove heat return air duct assembly. BACKGROUND

[0002] Aluminium scrap stove is mainly used to heat and recycle aluminium scrap, aluminium scrap stove converts electric energy into heat energy by electric heating element, uniformly heats aluminium scrap in furnace body, improves the temperature of aluminium scrap, and provides convenience for subsequent process, in the production process of aluminium alloy, aluminium scrap stove can recycle and reuse waste aluminium scrap to reduce production cost, and aluminium scrap stove can also be used for experiment and research the performance and change of aluminium and its alloy at different temperatures.

[0003] When the existing aluminium scrap stove is used, the function of the aluminium scrap stove is to heat and recycle aluminium scrap, and currently the combustion-supporting air of the aluminium scrap stove uses the temperature of the environment, the daily consumption of fuel gas is about 3500 square meters, the cost of fuel gas is too large, and the high temperature of the exhaust pipe of the aluminium scrap stove is not utilized, which affects the production cost of the aluminium scrap stove. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of aluminium scrap stove heat return air duct assembly to solve the problem that the cost of fuel gas is too large, and the high temperature of the exhaust pipe of the aluminium scrap stove is not utilized, which affects the production cost of the aluminium scrap stove.

[0005] To achieve the above object, the utility model provides the following technical scheme, a kind of aluminium scrap stove heat return air duct assembly, comprising:

[0006] Device body, the device body includes furnace body, and the furnace body top end is connected with exhaust pipe;

[0007] The outer wall of the exhaust pipe is sleeved with a heat absorption mechanism, the heat absorption mechanism includes a snap type heat absorption pipe, the inner surface of the snap type heat absorption pipe is provided with a guide vane, one side of the bottom of the snap type heat absorption pipe is provided with an air inlet, one side of the top of the snap type heat absorption pipe is provided with an air duct, and one side of the bottom end of the air duct is connected with a fan.

[0008] Preferably, the snap type heat absorption pipe is connected by two edges, the length of the snap type heat absorption pipe is set to 1300 mm, and the outer diameter of the air duct is set to 200 mm.

[0009] Preferably, one side of the top of the snap type heat absorption pipe is provided with an air outlet, and one end of the air duct is connected to the outlet surface of the air outlet of the snap type heat absorption pipe.

[0010] Preferably, the guide vane is provided in a spiral structure, and the guide vane guides air by using the spiral structure.

[0011] Preferably, one side of the outer wall of the smoke exhaust pipe is sleeved with a limiting structure, the limiting structure comprises a first positioning plate, one end of the first positioning plate is connected with a positioning frame, the positioning frame is hingedly connected with a second positioning plate inside, a limiting screw rod is inserted into one end of the second positioning plate, and a rubber pad is arranged on the bottom end surface of the second positioning plate.

[0012] Preferably, the first positioning plate and the second positioning plate are hingedly connected through the positioning frame, and the rubber pad is arranged in two groups and connected to the bottom end surfaces of the first positioning plate and the second positioning plate respectively.

[0013] Preferably, threaded holes are formed in the end surfaces of the first positioning plate and the second positioning plate, and the limiting screw rod is rotationally connected into the threaded holes of the first positioning plate and the second positioning plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The heat-absorbing pipe is sleeved on the outer surface of the smoke exhaust pipe, the guide plates arranged on the inner surface of the heat-absorbing pipe guide the air entering the heat-absorbing pipe from the air inlet, the hot air enters the air duct from the air outlet of the heat-absorbing pipe, and the hot air is supplied to the fan, so that the original absorption of natural wind is converted into absorption of hot wind, the efficiency is improved, the problem that the high temperature of the smoke exhaust pipe is not utilized and affects the production cost of the aluminum scrap furnace is solved, the waste heat utilization rate is improved, and the energy consumption is reduced.

[0016] 2. The first positioning plate is sleeved on one side of the outer surface of the smoke exhaust pipe, then the second positioning plate is rotated to rotate around the positioning frame, the second positioning plate is sleeved on the other side of the outer surface of the smoke exhaust pipe, the smoke exhaust pipe is positioned, then the limiting screw rod is rotationally connected into the threaded holes of the first positioning plate and the second positioning plate, the first positioning plate and the second positioning plate are connected and fixed, the rubber pad is filled in the gap between the first positioning plate, the second positioning plate and the heat-absorbing pipe, the rubber pad is in flexible contact, and the heat-absorbing pipe is limited. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure front view schematic diagram of the utility model;

[0018] Figure 2 It is a structure front view schematic diagram of the utility model;

[0019] Figure 3 It is a structure side view schematic diagram of the utility model;

[0020] Figure 4 It is a structure front view schematic diagram of the utility model;

[0021] Figure 5 It is the structure side view partial section perspective view schematic diagram of the utility model.

[0022] In the figure: 1, device body; 11, furnace body; 12, smoke exhaust pipe; 2, heat absorption mechanism; 21, buckle type heat absorption pipe; 22, guide plate; 23, air inlet; 24, air duct; 25, fan; 3, limiting structure; 31, first positioning plate; 32, positioning frame; 33, second positioning plate; 34, limiting screw; 35, rubber pad. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-5 An embodiment provided by the utility model:

[0025] An aluminum scrap furnace heat return air duct assembly, comprising:

[0026] The device body 1 includes the furnace body 11, the top end of the furnace body 11 is connected with the smoke exhaust pipe 12, the internal material of the smoke exhaust pipe 12 is prior art, which can be purchased on the market, and is not the technical protection point of the present application, therefore, it is not stated too much.

[0027] The smoke exhaust pipe 12 is sleeved with the heat absorption mechanism 2, the heat absorption mechanism 2 includes the buckle type heat absorption pipe 21, the inner surface of the buckle type heat absorption pipe 21 is provided with the guide plate 22, one side of the bottom of the buckle type heat absorption pipe 21 is provided with the air inlet 23, one side of the top of the buckle type heat absorption pipe 21 is provided with the air duct 24, and one side of the bottom end of the air duct 24 is connected with the fan 25.

[0028] Further, the buckle type heat absorption pipe 21 is provided with two sides of the buckle type connection, the length of the buckle type heat absorption pipe 21 is provided as one thousand three hundred millimeters, and the outer diameter of the air duct 24 is provided as two hundred millimeters, so that the hot gas is stored through the buckle type heat absorption pipe 21.

[0029] Further, the buckle type heat absorption pipe 21 is provided with the air outlet on one side of the top, and one end of the air duct 24 is connected to the outlet surface of the air outlet of the buckle type heat absorption pipe 21, so that the air in the buckle type heat absorption pipe 21 is discharged through the air duct 24.

[0030] Further, the guide plate 22 is provided in a spiral structure, and the guide plate 22 guides the air by using the spiral structure, so that the air entering the heat absorption pipe 21 is guided.

[0031] Further, the outer wall of one side of the smoke exhaust pipe 12 is sleeved with a limiting structure 3, the limiting structure 3 comprises a first positioning plate 31, one end of the first positioning plate 31 is connected with a positioning frame 32, the positioning frame 32 is hingedly connected with a second positioning plate 33 inside, a limiting screw 34 is inserted into one end of the second positioning plate 33, and a rubber pad 35 is arranged on the bottom surface of the second positioning plate 33, so that the heat absorption pipe 21 is limited by the first positioning plate 31 and the second positioning plate 33.

[0032] Further, the first positioning plate 31 and the second positioning plate 33 are hingedly connected by the positioning frame 32, and the rubber pad 35 is arranged in two groups and connected to the bottom surfaces of the first positioning plate 31 and the second positioning plate 33, so that the bottom ends of the first positioning plate 31 and the second positioning plate 33 are buffered by the rubber pad 35.

[0033] Further, threaded holes are formed in the end surfaces of the first positioning plate 31 and the second positioning plate 33, and the limiting screw 34 is rotationally connected to the threaded holes formed in the first positioning plate 31 and the second positioning plate 33, so that the limiting screw 34 is limited by the threaded holes of the first positioning plate 31 and the second positioning plate 33.

[0034] Working principle: when the aluminum scrap furnace heat return air pipe assembly is used, the heat absorption pipe 21 is sleeved on the outer surface of the smoke exhaust pipe 12, the guide plate 22 arranged on the inner surface of the heat absorption pipe 21 guides the air entering the heat absorption pipe 21 from the air inlet 23, the hot air enters the air duct 24 from the air outlet of the heat absorption pipe 21, and the hot air is supplied to the fan 25, so that the original absorption of natural wind is converted into absorption of hot wind, thereby improving the efficiency and achieving the effect of utilizing excess energy.

[0035] When the aluminum scrap furnace heat return air pipe assembly is limited, the first positioning plate 31 is sleeved on one side of the outer surface of the smoke exhaust pipe 12, then the second positioning plate 33 is rotated about the positioning frame 32 as the axis, the second positioning plate 33 is sleeved on the other side of the outer surface of the smoke exhaust pipe 12, the smoke exhaust pipe 12 is positioned, then the limiting screw 34 is rotationally connected to the threaded holes formed in the first positioning plate 31 and the second positioning plate 33, the first positioning plate 31 and the second positioning plate 33 are connected and fixed, the rubber pad 35 is filled in the gap between the first positioning plate 31, the second positioning plate 33 and the heat absorption pipe 21, the rubber pad 35 is in flexible contact, and the heat absorption pipe 21 is limited.

[0036] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An aluminum scrap furnace heat return air duct assembly characterized by, Include: The device body (1), the device body (1) includes the furnace body (11), the furnace body (11) top end is connected with the exhaust pipe (12); The exhaust pipe (12) outer wall sleeve heat absorption mechanism (2), the heat absorption mechanism (2) includes the buckle type heat absorption pipe (21), the inner surface of the buckle type heat absorption pipe (21) is provided with a guide vane (22), the bottom side of the buckle type heat absorption pipe (21) is provided with an air inlet (23), the top side of the buckle type heat absorption pipe (21) is provided with an air duct (24), and the bottom end side of the air duct (24) is connected with a fan (25).

2. An aluminum scrap furnace heat return air duct assembly according to claim 1, wherein: The buckle type heat absorption pipe (21) is provided with two sides of the buckle type connection, the length of the buckle type heat absorption pipe (21) is set to one thousand three hundred millimeters, and the outer diameter of the air duct (24) is set to two hundred millimeters.

3. The heat return duct assembly for an aluminum scrap furnace as defined in claim 1 wherein: The top side of the buckle type heat absorption pipe (21) is provided with an air outlet, and one end of the air duct (24) is connected to the air outlet outlet surface of the buckle type heat absorption pipe (21).

4. The heat return duct assembly for an aluminum scrap furnace of claim 1, wherein: The guide vane (22) is provided with a spiral structure, and the guide vane (22) guides the air by using the spiral structure.

5. The heat return duct assembly for an aluminum scrap furnace of claim 1, wherein: The outer wall of one side of the exhaust pipe (12) is sleeved with a limiting structure (3), the limiting structure (3) includes a first positioning plate (31), one end of the first positioning plate (31) is connected with a positioning frame (32), the inside of the positioning frame (32) is hingedly connected with a second positioning plate (33), one end of the second positioning plate (33) is inserted with a limiting screw (34) inside, and the bottom end surface of the second positioning plate (33) is provided with a rubber pad (35).

6. An aluminum scrap furnace heat return air duct assembly according to claim 5 wherein: The first positioning plate (31) and the second positioning plate (33) are hingedly connected by the positioning frame (32), and the rubber pad (35) is provided with two groups and is connected to the bottom end surface of the first positioning plate (31) and the second positioning plate (33) respectively.

7. An aluminum scrap furnace heat return air duct assembly as defined in claim 5 wherein: The first positioning plate (31) and the second positioning plate (33) are provided with threaded holes on one end surface, and the limiting screw (34) is rotatably connected in the threaded holes of the first positioning plate (31) and the second positioning plate (33).

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