Energy-saving smelting furnace for aluminum powder production

Abstract

The utility model relates to the technical field of smelting furnaces, and discloses an energy-saving smelting furnace for aluminum powder production, which comprises a smelting furnace main body and a smelting furnace sealing cover mounted at the top of the smelting furnace main body, and further comprises a heat discharge pipe attached to the outer wall of the smelting furnace main body, and the heat discharge pipe spirally surrounds the outer wall of the smelting furnace main body; the guide pipe is communicated with one end of the heat discharge pipe, and the other end of the guide pipe is connected with a bent pipe; and the smoke dust filtering bin is arranged at the opening of the bent pipe in a sleeving manner. According to the smelting furnace, waste heat is recycled through the exhaust fume collecting hood, heat moves along the interior of the spiral heat discharging pipe, so that the heat discharging pipe has the heat preservation effect on the outer wall of the smelting furnace body, the retention time of the waste heat is longer, the utilization rate of the waste heat is better, and energy conservation and emission reduction are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting furnaces, in particular to an energy-saving smelting furnace for producing aluminum powder. Background Art

[0002] Melting furnace is mainly used for melting and heating precious metals such as gold, platinum, silver, copper, iron, stainless steel, aluminum alloy, aluminum and other metals. The electric furnace is small in size, light in weight, high in efficiency, low in power consumption, low in temperature around the furnace, less in smoke and dust, and good in working environment. Aluminum powder, commonly known as "silver powder", is light in weight, high in buoyancy, strong in covering power, and good in light and heat reflection performance. The melting furnace can be used in the processing technology of aluminum powder.

[0003] Common smelting furnaces will produce large amounts of smoke and dust during the smelting process. This part of the smoke and dust has a large amount of heat, and the smoke and dust are often filtered and then directly discharged, resulting in a waste of heat. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an energy-saving smelting furnace for aluminum powder production, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: comprising: a smelting furnace main body and a smelting furnace sealing cover installed on the top of the smelting furnace main body,

[0006] Also includes:

[0007] The heat exhaust pipe is attached to the outer wall of the smelting furnace body, and the heat exhaust pipe is spirally wrapped around the outer wall of the smelting furnace body;

[0008] The guide pipe is connected to one end of the heat exhaust pipe, and the other end of the guide pipe is connected to the bending pipe;

[0009] The smoke filter housing is arranged at the opening of the bent pipe;

[0010] The exhaust port is arranged on the surface of the bent pipe, and the surface of the smoke filter bin is provided with exhaust holes corresponding to the exhaust port.

[0011] Furthermore, a smoke collecting hood is installed in the cavity of the sealing cover of the smelting furnace, and a smoke exhaust external pipe connected to the smoke collecting hood is installed on the top of the sealing cover of the smelting furnace.

[0012] Furthermore, a filter chamber is installed outside the smoke exhaust external pipe, and a delivery pump is provided at the junction of the smoke exhaust external pipe and the heat exhaust pipe.

[0013] Furthermore, a discharge port is installed at the bottom of the smelting furnace body, and the heat exhaust pipe is a flat structure.

[0014] Furthermore, the guide tube and the bending tube are in a V-shaped structure, and a cleaning bin extending downward is provided at the junction of the guide tube and the bending tube.

[0015] Furthermore, the internal threaded sleeve of the cleaning chamber is provided with a cleaning plug.

[0016] Furthermore, a sealing top cover is provided on the top of the smoke filter bin, and the diameter of the sealing top cover is larger than the opening diameter of the bending tube.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The present application utilizes a smoke hood to recover waste heat and allows the heat to move along a spiral heat exhaust pipe, so that the heat exhaust pipe has an insulating effect on the outer wall of the smelting furnace body. The spiral moving design allows the waste heat to be retained longer, the waste heat utilization rate is better, and energy saving and emission reduction are achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a side view of the utility model;

[0021] Figure 3 This is the internal diagram of the main body of the smelting furnace of the utility model;

[0022] Figure 4 This is a bottom view of the smoke filter chamber of the utility model.

[0023] In the figure: 1. Melting furnace body; 2. Melting furnace sealing cover; 3. Smoke hood; 4. Smoke exhaust external pipe; 5. Filter chamber; 6. Delivery pump; 7. Heat exhaust pipe; 8. Guide pipe; 9. Bending pipe; 10. Cleaning chamber; 11. Smoke filter chamber; 12. Sealed top cover; 13. Exhaust port; 14. Exhaust perforation; 15. Cleaning plug. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4, including: a smelting furnace main body 1 and a smelting furnace sealing cover 2 installed on the top of the smelting furnace main body 1, a discharge port is installed at the bottom of the smelting furnace main body 1, smelting is carried out inside the smelting furnace main body 1, the aluminum material to be smelted is placed in the cavity of the smelting furnace main body 1, and the top opening of the smelting furnace main body 1 is closed by the smelting furnace sealing cover 2 on the top of the smelting furnace main body 1, and a smoke collecting hood 3 is arranged at the center of the smelting furnace sealing cover 2, the opening of the smoke collecting hood 3 faces downward, and the top of the smoke collecting hood 3 is connected to a smoke exhaust external pipe 4. During the smelting process, high-temperature smoke enters into the smoke exhaust external pipe 4 along the smoke collecting hood 3, and the smoke exhaust external pipe 4 is used to transfer smoke and waste heat, and a delivery pump 6 for driving the movement of waste heat is arranged at the bottom of the smoke exhaust external pipe 4, so that the waste heat enters the bottom.

[0026] The heat exhaust pipe 7 is attached to the outer wall of the smelting furnace body 1, and the heat exhaust pipe 7 is spirally wrapped around the outer wall of the smelting furnace body 1, and the heat exhaust pipe 7 is a flat structure, so that the waste heat can have a large area of ​​contact with the outer wall of the smelting furnace body 1, thereby improving the insulation effect of the waste heat, and a group of filter bins 5 are also arranged outside the smoke exhaust external pipe 4, and the filter bin 5 has a built-in filter screen, which can filter the waste heat and smoke moving in the smoke exhaust external pipe 4, and the delivery pump 6 can send the smoke and waste heat after the initial filtration into the heat exhaust pipe 7, and make the hot gas climb along the spiral in the heat exhaust pipe 7. The guide pipe 8 is connected to one end of the heat exhaust pipe 7, and the other end of the guide pipe 8 is connected to a bent pipe 9. The guide pipe 8 and the bent pipe 9 are in a V-shaped structure. A downwardly extending cleaning bin 10 is provided at the junction of the guide tube 8 and the bent tube 9. The waste heat and smoke will eventually move from the guide tube 8 to the bent tube 9. The guide tube 8 is inclined downward, which will cause impurities to naturally fall into the cleaning bin 10, and the heat and smoke to be filtered will enter the bent tube 9. A smoke filter bin 11 is inserted into the bent tube 9. The smoke filter bin 11 has a built-in smoke filtering structure, and an exhaust port 13 is provided on the surface of the bent tube 9. An exhaust perforation 14 corresponding to the exhaust port 13 is provided on the surface of the smoke filter bin 11. The filtered smoke enters the exhaust perforation 14 and is discharged from the exhaust perforation 14 to the exhaust port 13 to the outside. The opening of the exhaust port 13 faces downward to reduce the influence of rain and snow. The internal threaded sleeve of the cleaning chamber 10 is provided with a cleaning plug 15, and the cleaning plug 15 can be screwed off later to clean the guide tube 8 and the bending tube 9. A sealing top cover 12 is provided on the top of the smoke filter chamber 11, and the diameter of the sealing top cover 12 is larger than the opening diameter of the bending tube 9. After the smoke filter chamber 11 is assembled, the opening of the bending tube 9 is closed by the sealing top cover 12 and reinforced with bolts to achieve sealing.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving melting furnace for aluminum powder production, comprising: A smelting furnace body (1) and a smelting furnace sealing cover (2) installed on the top of the smelting furnace body (1), It is characterized by further comprising: The heat exhaust pipe (7) is attached to the outer wall of the smelting furnace body (1), and the heat exhaust pipe (7) is spirally wrapped around the outer wall of the smelting furnace body (1); A guide pipe (8) is connected to one end of the heat exhaust pipe (7), and the other end of the guide pipe (8) is connected to a bent pipe (9); A smoke filter chamber (11) is sleeved on the opening of the bent tube (9); An exhaust port (13) is provided on the surface of the bent tube (9), and an exhaust hole (14) corresponding to the exhaust port (13) is provided on the surface of the smoke filter bin (11).

2. The energy-saving smelting furnace for aluminum powder production according to claim 1, characterized in that: A smoke collecting hood (3) is installed in the cavity of the smelting furnace sealing cover (2), and a smoke exhaust external pipe (4) connected to the smoke collecting hood (3) is installed on the top of the smelting furnace sealing cover (2).

3. The energy-saving smelting furnace for aluminum powder production according to claim 1, characterized in that: A filter bin (5) is installed outside the smoke exhaust external pipe (4), and a delivery pump (6) is provided at the junction of the smoke exhaust external pipe (4) and the heat exhaust pipe (7).

4. The energy-saving melting furnace for aluminum powder production according to claim 1, characterized in that: A discharge port is installed at the bottom of the smelting furnace body (1), and the heat discharge pipe (7) has a flat structure.

5. The energy-saving smelting furnace for aluminum powder production according to claim 1, characterized in that: The guide tube (8) and the bending tube (9) are in a V-shaped structure, and a cleaning chamber (10) extending downward is provided at the junction of the guide tube (8) and the bending tube (9).

6. The energy-saving melting furnace for aluminum powder production according to claim 1, characterized in that: The internal threaded sleeve of the cleaning chamber (10) is provided with a cleaning plug (15).

7. The energy-saving melting furnace for aluminum powder production according to claim 1, characterized in that: A sealing top cover (12) is provided on the top of the smoke filter bin (11), and the diameter of the sealing top cover (12) is greater than the opening diameter of the bent tube (9).

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