An assembled ferromolybdenum smelting furnace

Abstract

The utility model discloses an assembled ferromolybdenum smelting furnace, which specifically relates to the technical field of smelting furnaces, and mainly includes an assembled upper furnace, an inner furnace and a flue, wherein the inner furnace is installed inside the assembled upper furnace, the flue is welded to the inner wall of the inner furnace, and a multi-layer energy storage mechanism is provided below the flue; wherein the multi-layer energy storage mechanism includes a plurality of heat conducting pipes provided below the flue, and a plurality of bonded heat conducting pipes fixedly connected to the inner furnace are provided below the heat conducting pipes; a plurality of first heat storage pipes fixedly connected to the inner furnace are provided below the bonded heat conducting pipes. The utility model adopts a multi-layer energy storage mechanism, and after the resistance heating plate is electrically heated, it can conduct heat to a plurality of second heat storage pipes, and a plurality of bonded heat conducting pipes conduct heat again through a plurality of heat conducting pipes, and after heat conduction, a plurality of flues conduct heat vertically again, thereby reducing heat loss and achieving better energy saving.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting furnaces, and more specifically, to an assembled ferromolybdenum smelting furnace. Background Art

[0002] The assembled ferromolybdenum smelting furnace is mainly used for the smelting and processing of ferromolybdenum alloy. Ferromolybdenum is an alloy composed of molybdenum and iron, which has the characteristics of high strength, high melting point, good thermal stability and chemical stability. The assembled ferromolybdenum smelting furnace is mainly used to smelt ferromolybdenum alloy: through high-temperature reduction reaction, molybdenum is extracted from molybdenum oxide or other compounds, and combined with iron to form ferromolybdenum alloy.

[0003] The ferromolybdenum smelting furnace has the following disadvantages when smelting ferromolybdenum: 1. When heating ferromolybdenum, the heat generated is directly discharged upward, which makes it very easy to discharge the heat, greatly increases the heat loss, has poor energy saving, and is difficult to achieve multi-stage heat storage. The temperature fluctuates greatly and the temperature distribution is uneven, resulting in unstable finished products; 2. The structure is difficult to disassemble, which is not convenient for maintenance and cleaning. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an assembled ferromolybdenum smelting furnace.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembled molybdenum iron smelting furnace, comprising an assembled upper furnace, an inner furnace and a flue, wherein the inner furnace is installed inside the assembled upper furnace, the flue is welded to the inner wall of the inner furnace, and a multi-layer energy storage mechanism is provided below the flue; the multi-layer energy storage mechanism comprises a plurality of heat-conducting pipes arranged below the flue, and a plurality of bonded heat-conducting pipes fixedly connected to the inner furnace are provided below the heat-conducting pipes; the heat-conducting pipes and the bonded heat-conducting pipes are connected to the interlayer between the assembled upper furnace and the furnace; a plurality of first heat storage pipes fixedly connected to the inner furnace are provided below the bonded heat-conducting pipes; a plurality of second heat storage pipes are installed below the first heat storage pipes, the second heat storage pipes are arranged vertically to the first heat storage pipes, and a resistance heating plate is installed below the second heat storage pipes.

[0006] Preferably, the vertical cross-sectional shape of the heat-conducting tube is circular, a gap is provided between two adjacent heat-conducting tubes, a plurality of the fitted heat-conducting tubes are arranged equidistantly from front to back, the vertical cross-sectional shape of the fitted heat-conducting tube is circular, a plurality of the second heat storage tubes are fixedly connected to the inner wall of the inner furnace, a plurality of the second heat storage tubes are arranged equidistantly from front to back, the outer wall of the assembled upper furnace is hinged with a hinged door, and the hinged door is connected to the inner furnace; an exhaust pipe is fixedly connected to the top end of the assembled upper furnace, and the exhaust pipe is connected to the inner furnace; an exhaust pipe fixedly connected to the assembled upper furnace is provided on one side of the exhaust pipe; the exhaust pipe is connected to the gap between the inner furnace and the assembled upper furnace.

[0007] In the technical solution, the exhaust pipe can discharge the flue gas upward to the gap between the inner furnace and the assembled upper furnace, thereby avoiding a large amount of air flow while reducing the heat loss.

[0008] Preferably, a support ring is provided under the resistance heating disk, an assembly upper ring is fixedly connected to the outer wall of the assembly upper furnace and close to the assembly lower furnace position, and a layered assembly component is provided at the bottom end of the assembly upper ring; the layered assembly component includes an assembly lower ring arranged at the bottom end of the assembly upper ring, and the bottom end of the assembly lower ring is fixedly connected to the assembly lower furnace, and the assembly upper ring and the assembly lower ring are plugged in; a support ring is fixedly connected to the bottom end of the inner furnace, and a connecting column is fixed below the support ring, a support bottom ring is fixed to the side surface of the outer ring of the resistance heating disk, the inner wall of the support bottom ring is fixedly connected to a limiting inner ring, and the outer wall to which the support bottom ring is fixedly connected is a limiting outer ring, the limiting inner ring and the limiting outer ring are both slidably connected to the support ring, and the connecting column abuts against the support bottom ring.

[0009] In this technical solution, the inner furnace drives the support ring downward, and the support ring is inserted into the gap between the limiting inner ring and the limiting outer ring. The supporting bottom ring supports the connecting column, and the inner furnace is quickly assembled at the top position of the limiting inner ring and the limiting outer ring. The assembled upper furnace drives the assembled upper ring and the assembled lower ring to achieve vertical plug-in, which can realize internal and external layered assembly.

[0010] Technical effects and advantages of the utility model:

[0011] 1. The utility model adopts a multi-layer energy storage mechanism. After the resistance heating plate is electrically heated, it can conduct heat to multiple second heat storage tubes, and then conduct heat to multiple first heat storage tubes to prevent a large temperature change, which leads to a decrease in smelting effect; by bonding the heat-conducting tubes and connecting the heat-conducting tubes in the gap between the inner furnace and the assembled upper furnace, heat circulation is carried out as a thermal insulation layer to reduce heat loss in the inner furnace, reduce heat loss, and improve energy-saving effects.

[0012] 2. By setting up heat storage tubes, heat conduction tubes and flues, the flue gas can be prevented from passing directly, the heat flow trend can be slowed down, and heat loss can be reduced.

[0013] 3. The utility model adopts a layered assembly component. The inner furnace drives the support ring to move downward, and the support ring is inserted into the gap between the inner limit ring and the outer limit ring. The connecting column provides a firm support force for the bottom end of the support ring. The upper furnace drives the upper assembly ring and the lower assembly ring to achieve vertical plug-in. The lower furnace supports the lower assembly ring, which can realize internal and external layered assembly, greatly improve assembly efficiency, reduce the tediousness of cleaning and maintenance, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the assembled ferromolybdenum smelting furnace of the utility model.

[0015] Figure 2 It is a schematic diagram of the vertical cross-section structure of the assembled ferromolybdenum smelting furnace of the utility model.

[0016] Figure 3 It is a schematic diagram of a partial structure of a vertical cross section of an inner furnace of the utility model.

[0017] Figure 4 It is a schematic diagram of the structure of the assembled ferromolybdenum smelting furnace of the utility model when viewed from above.

[0018] Figure 5 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0019] Figure 6 It is a structural schematic diagram of the inner furnace in the utility model.

[0020] The accompanying drawings are marked as follows: 1. Assemble the upper furnace; 2. Inner furnace; 3. Flue; 4. Heat transfer pipe; 5. Fit the heat transfer pipe; 6. First heat storage pipe; 7. Second heat storage pipe; 8. Resistance heating plate; 9. Hinged door; 10. Exhaust chimney; 11. Exhaust pipe; 12. Support ring; 13. Assemble the upper ring; 14. Assemble the lower ring; 15. Assemble the lower furnace; 16. Support ring; 17. Connecting column; 18. Support bottom ring; 19. Limit inner ring; 20. Limit outer ring. DETAILED DESCRIPTION

[0021] 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.

[0022] As attached Figure 1-5 An assembled ferromolybdenum smelting furnace is shown, and a multi-layer energy storage mechanism is arranged on the assembled ferromolybdenum smelting furnace. The arrangement of the multi-layer energy storage mechanism reduces the heat loss, reduces the heat loss, and improves the energy saving performance. The specific structural arrangement of the multi-layer energy storage mechanism is as follows.

[0023] In this embodiment, as shown in the attached Figure 1-3 As shown, the multi-layer energy storage mechanism includes a plurality of heat-conducting tubes 4 arranged below the flue 3, and a plurality of bonded heat-conducting tubes 5 fixedly connected to the inner furnace 2 are arranged below the heat-conducting tubes 4; a plurality of first heat-storage tubes 6 fixedly connected to the inner furnace 2 are arranged below the bonded heat-conducting tubes 5; a plurality of second heat-storage tubes 7 are installed below the first heat-storage tubes 6, and a resistance heating plate 8 is installed below the second heat-storage tubes 7.

[0024] In this embodiment, as shown in the attached Figure 1As shown, the outer wall of the assembled upper furnace 1 is hinged with a hinged door 9, and the hinged door 9 is connected to the inner furnace 2; the top of the assembled upper furnace 1 is fixedly connected with an exhaust chimney 10, and the exhaust chimney 10 is connected to the inner furnace 2; one side of the exhaust chimney 10 is provided with an exhaust pipe 11 fixedly connected to the assembled upper furnace 1.

[0025] See also Figure 2 and Figure 6 As shown, when this embodiment is in use, the hinged door 9 is opened to place the ferromolybdenum in the inner furnace 2 inside the assembled upper furnace 1, and the lower furnace 15 is supported by the support ring 12. After the resistance heating disk 8 is electrically heated, it can conduct heat to multiple second heat storage tubes 7, and then conduct heat to multiple first heat storage tubes 6, and continuous heat conduction is achieved through multiple fitted heat conduction tubes 5. Multiple fitted heat conduction tubes 5 conduct heat again through multiple heat conduction tubes 4, and perform heat circulation in the gap between the inner furnace 2 and the assembled upper furnace 1; after heat conduction, smoke is exhausted by multiple flues 3, and heat conduction and energy storage are performed at multiple points. The smoke is discharged along the inside of the inner furnace 2 to the exhaust pipe 10, and the exhaust pipe 11 can discharge the smoke from the gap between the inner furnace 2 and the assembled upper furnace 1, avoiding excessive pressure, less heat loss, better insulation and storage effect, avoiding heat fluctuations, and making the heat uniform through the setting of the heat conduction tubes, thereby improving the smelting effect.

[0026] In this embodiment, as shown in the attached Figure 1-5 As shown, a support ring 12 is provided below the resistance heating disk 8, and an assembly upper ring 13 is fixedly connected to the outer wall of the assembly upper furnace 1 and close to the assembly lower furnace 15, and a layered assembly component is provided at the bottom end of the assembly upper ring 13; the layered assembly component includes an assembly lower ring 14 arranged at the bottom end of the assembly upper ring 13, and the bottom end of the assembly lower ring 14 is fixedly connected to the assembly lower furnace 15, and the assembly upper ring 13 and the assembly lower ring 14 are plugged in and connected by bolts; a support ring 16 is fixedly connected to the bottom end of the inner furnace 2, and a connecting column 17 and a supporting bottom ring 18 are provided below the support ring 16, the inner wall of the support bottom ring 18 is fixedly connected to a limiting inner ring 19, and the outer wall of the support bottom ring 18 is fixedly connected to a limiting outer ring 20, the limiting inner ring 19 and the limiting outer ring 20 are both slidably connected to the support ring 16, and the connecting column 17 is used to support the support ring 16.

[0027] During assembly and installation of the upper structure, the inner furnace 2 drives the support ring 16 downward, and the support ring 16 is inserted into the gap between the limiting inner ring 19 and the limiting outer ring 20, and the resistance heating plate 8 supports the support bottom ring 18, and the support bottom ring 18 supports the connecting column 17, and the connecting column 17 provides a firm support force for the bottom end of the support ring 16, so that the inner furnace 2 is quickly assembled at the top position of the limiting inner ring 19 and the limiting outer ring 20, and at the same time, the inner furnace 2 drives the assembly upper furnace 1 downward, and the assembly upper furnace 1 drives the assembly upper ring 13 and the assembly lower ring 14 to achieve vertical plug-in alignment, and supports the assembly lower ring 14 through the assembly lower furnace 15, so that internal and external layered assembly can be achieved, the assembly efficiency is greatly improved, the tediousness of cleaning and maintenance is reduced, and the work efficiency is improved.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An assembled ferromolybdenum smelting furnace, comprising an assembled upper furnace (1), an inner furnace (2) and a flue (3), wherein the inner furnace (2) is installed inside the assembled upper furnace (1), and the flue (3) is welded to the top of the inner furnace (2), characterized in that: A multi-layer energy storage mechanism is provided below the flue (3); The multi-layer energy storage mechanism comprises a plurality of heat-conducting pipes (4) fixed below the flue (3), and a plurality of bonded heat-conducting pipes (5) fixedly connected to the inner furnace (2) are arranged below the heat-conducting pipes (4); the heat-conducting pipes (4) and the bonded heat-conducting pipes (5) are connected to the interlayer between the upper furnace (1) and the furnace (2); A plurality of first heat storage tubes (6) fixedly connected to the inner furnace (2) are provided below the bonded heat conducting tube (5); A plurality of second heat storage tubes (7) are installed below the first heat storage tube (6), and the second heat storage tubes (7) are arranged perpendicular to the first heat storage tubes; and a resistance heating disk (8) is provided below the second heat storage tubes.

2. The assembled ferromolybdenum smelting furnace according to claim 1, characterized in that: The vertical cross-section of the heat conducting pipe (4) is in the shape of a circular ring, and a gap is provided between two adjacent heat conducting pipes (4).

3. The assembled ferromolybdenum smelting furnace according to claim 1, characterized in that: The plurality of the bonded heat-conducting pipes (5) are arranged in sequence and at equal intervals from front to back, and the vertical cross-section of the bonded heat-conducting pipe (5) is in the shape of a circular ring.

4. The assembled ferromolybdenum smelting furnace according to claim 1, characterized in that: The plurality of second heat storage tubes (7) are all fixedly connected to the inner wall of the inner furnace (2), and the plurality of second heat storage tubes (7) are arranged in sequence and at equal distances from front to back.

5. The assembled ferromolybdenum smelting furnace according to claim 1, characterized in that: The outer wall of the upper furnace (1) is hingedly connected with a hinged door (9), and the hinged door (9) is connected to the inner furnace; The top end of the assembled upper furnace (1) is fixedly connected to an exhaust pipe (10), and the exhaust pipe (10) is connected to the inner furnace (2); one side of the exhaust pipe (10) is provided with an exhaust pipe (11) fixedly connected to the assembled upper furnace (1); the exhaust pipe (11) is connected to the gap between the inner furnace (2) and the assembled upper furnace (1).

6. The assembled ferromolybdenum smelting furnace according to claim 1, characterized in that: A support ring (12) is provided below the resistance heating disk (8), an upper assembly ring (13) is fixedly connected to the outer wall of the upper assembly furnace (1) and close to the position of the lower assembly furnace (15), and a layered assembly component is provided at the bottom end of the upper assembly ring (13); The layered assembly component comprises an assembly lower ring (14) arranged at the bottom end of the assembly upper ring (13), and the bottom end of the assembly lower ring (14) is fixedly connected with an assembly lower furnace (15), and the assembly upper ring (13) and the assembly lower ring (14) are plugged together; A support ring (16) is fixedly connected to the bottom end of the inner furnace (2), a connecting column (17) is fixed below the support ring (16), a supporting bottom ring (18) is fixed to the upper side of the outer ring of the resistance heating disk, the inner wall of the supporting bottom ring (18) is fixedly connected to a limiting inner ring (19), and the outer wall to which the supporting bottom ring (18) is fixedly connected is a limiting outer ring (20), the limiting inner ring (19) and the limiting outer ring (20) are both slidably connected to the support ring (16), and the connecting column (17) abuts against the supporting bottom ring (18).

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