Hot air heat exchange recovery device for aging furnace

Abstract

The hot air heat exchange recovery device comprises a furnace body, a combustor, a first fan, a heat exchange seat and a second fan, a containing cavity and a heating cavity which are communicated with each other are formed in the furnace body, the heating cavity is located above the containing cavity, and the second fan is located above the heating cavity. The first fan is arranged on the right side of the heating cavity and can convey hot air in the containing cavity into the heating cavity. According to the hot air heat exchange recovery device for the aging oven, a heating cylinder of a combustor heats air and generates hot air in a heating cavity, the hot air is conveyed to a containing cavity along with a first fan, and the hot air in the containing cavity can flow back into the heating cavity to form circulation; the second draught fan conveys air to the heat exchange base through the first conveying pipe and enables hot air flowing back to the heating cavity to exchange heat with air of the heat exchange base, the air of the heat exchange base flows back to the combustor for use along the second conveying pipe, waste heat of the hot air in the containing cavity can be recycled, and the use efficiency of the hot air is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aging furnaces, in particular to a hot air heat exchange recovery device for an aging furnace. Background Art

[0002] After the aluminum rod workpiece is cast, it needs to be aged in an aluminum rod aging furnace, that is, the aluminum rod is placed in a furnace with a higher temperature to change its performance through heat treatment. The aluminum rod aging furnace generates high-temperature hot air in the furnace by heating the torch, and makes the high-temperature hot air flow in the furnace, so as to continuously transport high-temperature hot air into the furnace to increase the temperature in the furnace, and then the low-temperature hot air in the furnace is discharged, which will cause heat waste of this part of the hot air and reduce the efficiency of hot air use. Therefore, it is necessary to design a structure for recovering the heat of the hot air in the aging furnace to solve the above problems. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a heating tube of a burner of a hot air heat exchange recovery device for an aging furnace, which heats air and generates hot air in a heating chamber, and the hot air is transported to the accommodating chamber by a first fan, and the hot air in the accommodating chamber can flow back to the heating chamber to form a circulation, and the second fan transports air to the heat exchange seat through a first delivery pipe, and the hot air flowing back to the heating chamber exchanges heat with the air of the heat exchange seat, and the air of the heat exchange seat flows back to the burner along the second delivery pipe for use, so that the waste heat of the hot air in the accommodating chamber can be recovered and utilized and the efficiency of hot air use can be improved.

[0004] A hot air heat exchange recovery device for an aging furnace comprises a furnace body, a burner, a first fan, a heat exchange seat and a second fan. The furnace body is provided with a connected accommodating chamber and a heating chamber, and the heating chamber is located above the accommodating chamber. The first fan is arranged on the right side of the heating chamber and can transport the hot air in the accommodating chamber to the heating chamber. The heat exchange seat is arranged in the heating chamber. The second fan is arranged at the rear side of the furnace body, and the second fan is connected to the heat exchange seat through a first delivery pipe. A heating tube is arranged on the burner, and the burner is arranged at the rear side of the furnace body and enables the heating tube to heat the air in the heating chamber, and the burner is connected to the heat exchange seat through a second delivery pipe.

[0005] Preferably, the left side of the heating chamber is connected to the heating chamber through a third delivery pipe, and an explosion-proof opening is provided on the top surface of the heating chamber.

[0006] Preferably, a mounting groove is provided in the heating chamber, the burner is arranged at the rear side of the furnace body at a position corresponding to the mounting groove, and the heating cylinder is arranged in the mounting groove, and an inspection ladder is provided at the bottom of the burner.

[0007] Preferably, one end of the heating tube extends into the heating chamber, and a heating port is provided at the end of the heating tube extending into the heating chamber, and a heating gun is provided in the heating tube.

[0008] Preferably, the heat exchange seat is arranged at a position where the heating chamber is located on the left side of the mounting groove, and a heat exchange tube is arranged on the heat exchange seat.

[0009] Preferably, the left end of the heat exchange tube is connected to the first delivery tube, the right end of the heat exchange tube is connected to the second delivery tube, and the heat exchange tube is arranged in a spiral shape.

[0010] The beneficial effects of the utility model are as follows: the hot air heat exchange recovery device for the aging furnace cooperates with the furnace body, the burner, the first fan, the heat exchange seat and the second fan, so that the heating tube of the burner heats the air and generates hot air in the heating chamber, the hot air is transported to the accommodating chamber by the first fan, and the hot air in the accommodating chamber can flow back to the heating chamber to form a circulation, the second fan transports air to the heat exchange seat through the first delivery pipe and makes the hot air flowing back to the heating chamber exchange heat with the air of the heat exchange seat, the air of the heat exchange seat flows back to the burner along the second delivery pipe for use, the waste heat of the hot air in the accommodating chamber can be recovered and utilized and the efficiency of using the hot air can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Attached Figure 2 It is a right side view of the utility model;

[0013] Attached Figure 3 It is a top view of the utility model.

[0014] In the figure: 1 furnace body, 2 burner, 3 first fan, 4 heat exchange seat, 5 second fan, 6 accommodating chamber, 7 heating chamber, 8 first conveying pipe, 9 heating cylinder, 10 second conveying pipe, 11 third conveying pipe, 12 explosion-proof port, 13 installation groove, 14 maintenance ladder, 15 heating port, 16 heating lance, 17 heat exchange tube. DETAILED DESCRIPTION

[0015] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments, so as to provide a clearer understanding of the technical concept to be protected by the present invention.

[0016] like Figures 1 to 3As shown, a hot air heat exchange recovery device for an aging furnace includes a furnace body 1, a burner 2, a first fan 3, a heat exchange seat 4 and a second fan 5. The furnace body 1 is provided with a connected accommodating chamber 6 and a heating chamber 7, and the heating chamber 7 is located above the accommodating chamber 6. The first fan 3 is arranged on the right side of the heating chamber 7 and can transport the hot air in the accommodating chamber 6 to the heating chamber 7. The heat exchange seat 4 is arranged in the heating chamber 7. The second fan 5 is arranged at the rear side of the furnace body 1, and the second fan 5 is connected to the heat exchange seat 4 through a first conveying pipe 8. A heating tube 9 is arranged on the burner 2, and the burner 2 is arranged at the rear side of the furnace body 1 so that the heating tube 9 heats the air in the heating chamber 7, and the burner 2 is connected to the heat exchange seat 4 through a second conveying pipe 10.

[0017] The working principle of the hot air heat exchange recovery device for aging furnace described in the utility model is realized by the cooperation of the furnace body 1, the burner 2, the first fan 3, the heat exchange seat 4 and the second fan 5. Figures 1 to 3 As shown, the heating tube 9 of the burner 2 heats the air and generates hot air in the heating chamber 7, and the hot air is transported to the accommodating chamber 6 along the first fan 3, and the hot air in the accommodating chamber 6 can flow back to the heating chamber 7 to form a cycle, and the second fan 5 transports air to the heat exchange seat 4 through the first conveying pipe 8 and makes the hot air flowing back to the heating chamber 7 exchange heat with the air of the heat exchange seat 4, and the air absorption temperature of the heat exchange seat 4 increases, and then the hot air after heat exchange in the heat exchange seat 4 flows back to the burner 2 along the second conveying pipe 10, and is used for heating by the heating tube 9 of the burner 2. Compared with the traditional aluminum rod aging furnace, the hot air heat exchange recovery device used in the aging furnace can make the hot air in the accommodating chamber 6 flow back to the heating chamber 7, and the waste heat of the reflux hot air in the accommodating chamber 6 is recovered through the heat exchange seat 4 and transported to the burner 2 for reuse, so as to avoid the waste of waste heat caused by direct discharge of the hot air in the accommodating chamber 6, thereby improving the use efficiency of the hot air.

[0018] Specifically, the left side of the heating chamber 7 is connected to the heating chamber 7 through a third conveying pipe 11, and an explosion-proof port 12 is provided on the top surface of the heating chamber 7, wherein a mounting groove 13 is provided in the heating chamber 7, the position of the burner 2 corresponding to the mounting groove 13 is provided on the rear side of the furnace body 1, and the heating tube 9 is provided in the mounting groove 13, and an inspection ladder 14 is provided at the bottom of the burner 2, further, one end of the heating tube 9 extends into the heating chamber 7, and a heating port 15 is provided at the end of the heating tube 9 extending into the heating chamber 7, and a heating gun 16 is provided in the heating tube 9, such as Figures 1 to 3As shown, the heating tube 9 extends into the heating chamber 7, the heating gun 16 heats the air in the heating chamber 7 through the heating port 15 and generates hot air, the explosion-proof port 12 and the inspection ladder 14 are convenient for maintenance by the staff, and the first fan 3 conveys the hot air in the heating chamber 7 to the accommodating chamber 6, and the hot air in the accommodating chamber 6 can flow back to the heating chamber 7 along the third conveying pipe 11 after use.

[0019] Furthermore, the heat exchange seat 4 is arranged at a position where the heating chamber 7 is located on the left side of the mounting groove 13, and a heat exchange tube 17 is arranged on the heat exchange seat 4, wherein the left end of the heat exchange tube 17 is connected to the first delivery tube 8, and the right end of the heat exchange tube 17 is connected to the second delivery tube 10, and the heat exchange tube 17 is arranged in a spiral shape, such as Figures 1 to 3 As shown, the second fan 5 delivers air to the heat exchange tube 17 of the heat exchange seat 4 through the first delivery pipe 8, and the hot air flowing back to the heating chamber 7 exchanges heat with the air in the heat exchange tube 17. After the air in the heat exchange tube 17 absorbs heat and rises in temperature, it is delivered to the burner 2 through the second delivery pipe 10 for heating by the heating tube 9, thereby improving the heating efficiency of the heating tube 9 and the efficiency of using the waste heat of the hot air. The spiral arrangement of the heat exchange tube 17 can increase the delivery stroke and heat exchange area of ​​the hot air in the heat exchange tube 17, thereby improving the heat exchange effect between the air in the heat exchange tube 17 and the hot air in the heating chamber 7.

[0020] The above are only specific embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A hot air heat exchange recovery device for an aging furnace, characterized in that: It includes a furnace body, a burner, a first fan, a heat exchange seat and a second fan. The furnace body is provided with a connected accommodating chamber and a heating chamber, and the heating chamber is located above the accommodating chamber. The first fan is arranged on the right side of the heating chamber and can transport the hot air in the accommodating chamber to the heating chamber. The heat exchange seat is arranged in the heating chamber. The second fan is arranged at the rear side of the furnace body, and the second fan is connected to the heat exchange seat through a first conveying pipe. A heating tube is arranged on the burner, and the burner is arranged at the rear side of the furnace body and enables the heating tube to heat the air in the heating chamber, and the burner is connected to the heat exchange seat through a second conveying pipe.

2. The hot air heat exchange recovery device for an aging furnace according to claim 1, characterized in that: The left side of the heating chamber is communicated with the heating chamber through a third delivery pipe, and an explosion-proof opening is arranged on the top surface of the heating chamber.

3. A hot air heat exchange recovery device for an aging furnace according to claim 2, characterized in that: The heating chamber is provided with a mounting groove, the position of the burner corresponding to the mounting groove is arranged at the rear side of the furnace body, and the heating cylinder is arranged in the mounting groove, and an inspection ladder is arranged at the bottom of the burner.

4. A hot air heat exchange recovery device for an aging furnace according to claim 3, characterized in that: One end of the heating tube extends into the heating cavity, and a heating port is arranged at the end of the heating tube extending into the heating cavity, and a heating gun is arranged in the heating tube.

5. The hot air heat exchange recovery device for an aging furnace according to claim 4, characterized in that: The heat exchange seat is arranged at a position where the heating chamber is located on the left side of the mounting groove, and a heat exchange tube is arranged on the heat exchange seat.

6. The hot air heat exchange recovery device for an aging furnace according to claim 5, characterized in that: The left end of the heat exchange tube is connected to the first delivery tube, the right end of the heat exchange tube is connected to the second delivery tube, and the heat exchange tube is arranged in a spiral shape.

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