Heating furnace for reducing oxidation atmosphere

Abstract

The utility model relates to the technical field of heating furnaces, in particular to a heating furnace for reducing the oxidizing atmosphere. According to the technical scheme, the heating furnace comprises a feeding box, a heating furnace body and an outer plate, the outer end face of one side of the heating furnace body communicates with a fixing pipe, the outer surface of the fixing pipe is in threaded connection with a fixing valve, the feeding box is fixed to the upper surface of the heating furnace body, and a heating plate is fixed to the inner wall of the heating furnace body; the upper surface of the feeding box is connected with a sealing cover through hinges, the outer end face of one side of the feeding box communicates with an exhaust pipe, the outer surface of the exhaust pipe is in threaded connection with an exhaust valve, a feeding groove is formed in the lower surface of the feeding box and communicates with the heating furnace body, and an outer plate is fixed to the inner wall of the feeding groove. An inner plate is movably inserted into the outer end face of one side of the outer plate, a supporting plate is fixed to the inner wall of the side, away from the outer plate, of the feeding groove, and a mounting plate is movably inserted into the outer end face of one side of the supporting plate. Air can be prevented from entering the heating furnace body.

Description

Technical Field

[0001] The utility model relates to the technical field of heating furnaces, in particular to a heating furnace capable of reducing oxidation atmosphere. Background Art

[0002] Metallurgy refers to the process and technology of extracting metals or metal compounds from minerals and using various processing methods to make metal materials with certain properties. Metallurgy has a long history of development, from the Stone Age to the subsequent Bronze Age, and then to the large-scale development of modern steel smelting. The history of human development is integrated with the history of metallurgy. During metallurgical processing, a heating furnace is required for heating.

[0003] The prior art discloses a novel non-oxidation heating furnace of CN103290201B, which includes a furnace body, primary and secondary combustion air pipes and a gas pipe, at least two pairs of heat storage tanks are arranged on both sides of the furnace body or at the bottom of the furnace body along the furnace length direction, and the front end of each heat storage tank is provided with a respective independent premixing chamber close to the interior of the furnace body. Since the non-oxidation heating furnace provided by the present invention has each pair of heat storage tanks corresponding to a respective independent premixing chamber, each unit can be independently controlled, and thus the air-fuel ratio leading to each independent premixing chamber can be accurately controlled to achieve a true non-oxidation reduction atmosphere in the furnace body.

[0004] When a current heating furnace is heating, it is not possible to completely prevent air from entering the heating furnace, and it is not possible to achieve a truly redox-free atmosphere inside the heating furnace. Utility Model Content

[0005] The purpose of the utility model is to provide a heating furnace with reduced oxidizing atmosphere to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heating furnace for reducing oxidizing atmosphere, comprising a feed box, a heating furnace body and an outer plate, the upper surface of the heating furnace body is fixed with a feed box, and the inner wall of the heating furnace body is fixed with a heating plate, the lower surface of the feed box is provided with a feed trough, and the feed trough is connected with the heating furnace body, the inner wall of the feed trough is fixed with an outer plate, and the outer end surface of one side of the outer plate is movably connected with an inner plate.

[0007] When using a heating furnace for reducing the oxidizing atmosphere in the present technical solution, hold the handle, drive the handle to open the sealing cover, add the material into the feed box, close the sealing cover, open the exhaust valve, and evacuate the feed box through the exhaust pipe. The outer plate and the support plate can drive the inner plate and the mounting plate to move under the action of the power device, and the inner plate and the mounting plate can be retracted, the feed trough can be opened, and the material enters the heating furnace body through the feed trough, which can prevent air from entering the heating furnace body and reduce the oxidizing atmosphere inside the heating furnace body.

[0008] Preferably, an exhaust pipe is connected to the outer end surface of one side of the feed box, and an exhaust valve is threadedly connected to the outer surface of the exhaust pipe. By arranging the exhaust pipe on one side of the feed box, it is convenient to extract air.

[0009] Preferably, a fixed pipe is connected to the outer end surface of one side of the heating furnace body, and a fixed valve is threadedly connected to the outer surface of the fixed pipe. By arranging the fixed pipe on one side of the heating furnace body, it is convenient to extract air.

[0010] Preferably, the upper surface of the feed box is hingedly connected with a sealing cover, and a handle is welded on the upper surface of the sealing cover. By arranging the handle on the upper surface of the sealing cover, it is convenient to hold the handle to open or close the sealing cover.

[0011] Preferably, a workbench is fixed on the lower surface of the heating furnace body, and supporting legs are welded on the lower surface of the workbench. By arranging the workbench and supporting legs on the lower surface of the heating furnace body, it is convenient to support the heating furnace body.

[0012] Preferably, a support plate is fixed to the inner wall of the feed trough on the side away from the outer plate, and a mounting plate is movably inserted into the outer end surface of one side of the support plate. By arranging the support plate and the mounting plate on the inner wall of the feed trough, it is convenient to seal the feed trough.

[0013] Preferably, a fixed door is hingedly connected to one side of the outer end surface of the heating furnace body, and a handle is fixed to one side of the outer end surface of the fixed door. By arranging a handle on one side of the fixed door, it is convenient to hold the handle to open or close the fixed door.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model achieves the effect of preventing air from entering the heating furnace body by arranging a feed box, a feed trough and an outer plate. The handle is held and driven by the hand to open the sealing cover, and the material is added into the feed box. The sealing cover is closed, the exhaust valve is opened, and the feed box is evacuated into a vacuum through the exhaust pipe. The outer plate and the support plate can drive the inner plate and the mounting plate to move under the action of the power device. The inner plate and the mounting plate are retracted, the feed trough can be opened, and the material enters the heating furnace body through the feed trough, which can prevent air from entering the heating furnace body and reduce the oxidizing atmosphere inside the heating furnace body.

[0016] 2. The utility model achieves the effect of facilitating heating of materials by arranging a heating furnace body, a fixed pipe and a heating plate. The fixed valve is opened, the heating furnace body is evacuated through the fixed pipe, and the material enters the heating furnace body through the feed trough. The heating plate can heat the material under the action of the power device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the feed box of the utility model;

[0019] Figure 3 This is a schematic diagram of the main cross-sectional structure of the heating furnace body of the utility model;

[0020] Figure 4 It is a schematic diagram of the side structure of the heating furnace body of the utility model.

[0021] In the figure: 1. exhaust pipe; 2. exhaust valve; 3. fixed pipe; 4. fixed valve; 5. handle; 6. sealing cover; 7. feed box; 8. heating furnace body; 9. workbench; 10. support leg; 11. feed trough; 12. outer plate; 13. inner plate; 14. mounting plate; 15. support plate; 16. heating plate; 17. handle; 18. fixed door. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1

[0024] See also Figures 1 to 4 The utility model provides an embodiment: a heating furnace for reducing oxidizing atmosphere, comprising a feed box 7, a heating furnace body 8 and an outer plate 12, the feed box 7 is fixed on the upper surface of the heating furnace body 8, the upper surface of the feed box 7 is hingedly connected with a sealing cover 6, and a handle 5 is welded on the upper surface of the sealing cover 6, an outer end surface of one side of the feed box 7 is connected with an exhaust pipe 1, and an exhaust valve 2 is threadedly connected to the outer surface of the exhaust pipe 1, a feed trough 11 is provided on the lower surface of the feed box 7, and the feed trough 11 is connected with the heating furnace body 8, an outer plate 12 is fixed to the inner wall of the feed trough 11, and an inner plate 13 is movably connected to an outer end surface of one side of the outer plate 12, a support plate 15 is fixed to the inner wall of the feed trough 11 away from the outer plate 12, and a mounting plate 14 is movably connected to an outer end surface of one side of the support plate 15.

[0025] Of course, as is well known to those skilled in the art, the exhaust pipe 1, the fixed pipe 3, the outer plate 12, the support plate 15 and the heating plate 16 of the utility model also need to be provided with a power device to enable them to work normally, and as is well known to those skilled in the art, the provision of the power is commonplace, and they all belong to conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.

[0026] A heating furnace for reducing the oxidizing atmosphere based on Example 1, holding the handle 5, the hand drives the handle 5 to open the sealing cover 6, the material is added into the feed box 7, the sealing cover 6 is closed, the exhaust valve 2 is opened, and the feed box 7 is evacuated into a vacuum through the exhaust pipe 1, and the outer plate 12 and the support plate 15 can drive the inner plate 13 and the mounting plate 14 to move under the action of the power device, and the inner plate 13 and the mounting plate 14 are retracted, and the feed trough 11 can be opened, and the material enters the heating furnace body 8 through the feed trough 11, which can prevent air from entering the heating furnace body 8 and reduce the oxidizing atmosphere inside the heating furnace body 8.

[0027] Embodiment 2

[0028] like Figure 1-Figure 4 As shown, the utility model proposes a heating furnace for reducing oxidizing atmosphere. Compared with the first embodiment, this embodiment also includes a feed box 7, a heating furnace body 8 and an outer plate 12. One side outer end surface of the heating furnace body 8 is hingedly connected with a fixed door 18, and one side outer end surface of the fixed door 18 is fixed with a handle 17, the lower surface of the heating furnace body 8 is fixed with a workbench 9, and the lower surface of the workbench 9 is welded with a supporting leg 10, one side outer end surface of the heating furnace body 8 is connected with a fixed pipe 3, and the outer surface of the fixed pipe 3 is threadedly connected with a fixed valve 4, and the inner wall of the heating furnace body 8 is fixed with a heating plate 16.

[0029] In this embodiment, the fixed valve 4 is opened, the heating furnace body 8 is evacuated through the fixed pipe 3, the material enters the heating furnace body 8 through the feed trough 11, and the heating plate 16 can heat the material under the action of the power device.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A heating furnace for reducing oxidation atmosphere, comprising a feed box (7), a heating furnace body (8) and an outer plate (12), characterized in that: A feed box (7) is fixed on the upper surface of the heating furnace body (8), and a heating plate (16) is fixed on the inner wall of the heating furnace body (8); a feed trough (11) is provided on the lower surface of the feed box (7), and the feed trough (11) is connected to the heating furnace body (8); an outer plate (12) is fixed on the inner wall of the feed trough (11), and an inner plate (13) is movably inserted into the outer end surface of one side of the outer plate (12).

2. A heating furnace for reducing oxidation atmosphere according to claim 1, characterized in that: An outer end surface of one side of the feed box (7) is connected to an exhaust pipe (1), and an exhaust valve (2) is threadedly connected to the outer surface of the exhaust pipe (1).

3. A heating furnace for reducing oxidation atmosphere according to claim 1, characterized in that: One side outer end surface of the heating furnace body (8) is connected to a fixed pipe (3), and the outer surface of the fixed pipe (3) is threadedly connected to a fixed valve (4).

4. A heating furnace for reducing oxidation atmosphere according to claim 1, characterized in that: The upper surface of the feed box (7) is hingedly connected to a sealing cover (6), and a handle (5) is welded to the upper surface of the sealing cover (6).

5. A heating furnace for reducing oxidation atmosphere according to claim 1, characterized in that: A workbench (9) is fixed to the lower surface of the heating furnace body (8), and supporting legs (10) are welded to the lower surface of the workbench (9).

6. A heating furnace for reducing oxidation atmosphere according to claim 1, characterized in that: A support plate (15) is fixed to the inner wall of the feeding trough (11) on one side facing away from the outer plate (12), and a mounting plate (14) is movably inserted into an outer end surface of one side of the support plate (15).

7. A heating furnace for reducing oxidation atmosphere according to claim 1, characterized in that: One side outer end surface of the heating furnace body (8) is hingedly connected to a fixed door (18), and one side outer end surface of the fixed door (18) is fixed with a handle (17).

Images