Combustion device suitable for zinc alloy smelting

Abstract

The utility model discloses a combustion device suitable for zinc alloy smelting, which comprises a burner cylinder, a combustion chamber, a combustion chamber and a combustion chamber, wherein the two ends of the burner cylinder are opened, so that an accommodating part is formed in the burner cylinder; the air pipe is arranged at the bottom of the burner cylinder, and the air pipe is communicated with the burner cylinder; an air outlet is formed in the middle of the air disc, the air disc is fixed in the containing part, the air disc is arranged in a cross shape, so that the air disc and the containing part are divided into a plurality of air outlets, and the air outlets are formed among the air outlets; the gas pipe is partially located in the containing part, and the end, located in the containing part, of the gas pipe is connected with the air disc. Compared with the prior art, the combustion device suitable for zinc alloy smelting effectively avoids local high temperature, achieves rapid smelting and reduces energy loss.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial combustion technical field especially suitable for zinc alloy smelting's combustion device. BACKGROUND

[0002] The burner is the common name of industrial combustion device.

[0003] The existing burner, the air disc of the air outlet is processed into the rotating sawtooth air outlet, the air outlet area is small, the fire that sprays is rotating, and the fire speed is relatively fast, the firepower is very concentrated, the local temperature is high, when smelting the metal of low melting point (melting point 385-400 DEG C), the local that contacts the flame is easy to sinter and cannot make the heat transfer down, thereby leading to the melting time is long, the energy consumption is high, and the burning loss is big.

[0004] Therefore, based on the above problems, the existing combustion device needs to be improved to solve the above problems. INNOVATION CONTENT

[0005] In view of the problems existing in the prior art, the combustion device suitable for zinc alloy smelting of the utility model effectively avoids local high temperature, realizes rapid melting and reduces energy loss.

[0006] In order to solve the above technical problems, the technical scheme of the utility model is:

[0007] A combustion device suitable for zinc alloy smelting, comprising:

[0008] A burner cylinder, the burner cylinder is provided with an opening at both ends to form a containing part inside the burner cylinder;

[0009] An air pipe, the air pipe is arranged at the bottom of the burner cylinder, and the air pipe is communicated with the burner cylinder;

[0010] An air disc, the air disc is provided with an air outlet in the middle, the air disc is fixed in the containing part, and the air disc is arranged in a cross shape to divide the air disc and the containing part into a plurality of air outlets, and the air outlet is arranged between the air outlets;

[0011] A gas pipe, the gas pipe is partially located in the containing part, and one end in the containing part is connected with the air disc.

[0012] As preferred, the air disc is arranged at an angle of 45 degrees in a cross shape.

[0013] As preferred, one end of the burner cylinder is provided with a first connecting piece and a burner end cover, and the gas pipe is arranged in the burner end cover.

[0014] As preferred, a first sealing gasket is arranged between the first connecting member and the burner end cover.

[0015] As preferred, a first sleeve is further included, which is connected with the burner end cover, and a second sleeve is arranged in the first sleeve, and an electrode wire is arranged in the second sleeve, and an electrode head is arranged at one end of the electrode wire in the accommodating portion, and the air disc is provided with a spark column matched with the electrode head.

[0016] As preferred, the gas pipe is provided with a connecting plate at one end in the accommodating portion, and a plurality of plate holes are arranged in the connecting plate.

[0017] The part of the gas pipe protruding from the air disc is provided with a plurality of gas holes.

[0018] As preferred, the burner cylinder and the air disc are made of 310S high-temperature stainless steel.

[0019] As preferred, the burner end cover is provided with a flame detection device.

[0020] As preferred, a second connecting member is arranged on the surface of the burner cylinder, and a third connecting member is arranged on the air pipe.

[0021] As preferred, the second connecting member is provided with a second sealing gasket.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] Local high temperature is effectively avoided, rapid melting is realized, and energy loss is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 Structure schematic view of the combustion device suitable for zinc alloy smelting;

[0025] Figure 2 Structure schematic view of the combustion device suitable for zinc alloy smelting from another angle;

[0026] Figure 3 Structure schematic view of the combustion device suitable for zinc alloy smelting from another angle;

[0027] Figure 4 Enlarged schematic view of A. DETAILED DESCRIPTION

[0028] The specific embodiment of the utility model is further described below in combination with the accompanying drawings, so that the technical scheme of the utility model is easier to understand and master. Figures 1-4 The specific embodiment of the utility model is further described below in combination with the accompanying drawings, so that the technical scheme of the utility model is easier to understand and master.

[0029] In the embodiment, it needs to be understood that the terms "intermediate", "upper", "lower", "top", "right side", "end", "front", "back", "middle", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] In addition, in the specific embodiment, the connection or fixing manner between components is not particularly described, and the connection or fixing manner can be bolt fixing or pin fixing commonly used in the prior art, or pin shaft connection, etc. Therefore, in the embodiment, detailed description is not given.

[0031] As shown in the figure, Figures 1-2 A combustion device suitable for zinc alloy smelting includes a burner cylinder 1, both ends of the burner cylinder 1 are open to form an accommodating part 11 inside the burner cylinder 1, and an air pipe 2 is welded at the bottom of the burner cylinder 1. The bottom of the air pipe 2 is provided with a third connecting piece 21 for installation and fixation with an external pipeline. The air pipe 2 is in communication with the burner cylinder 1, so that external combustion-supporting air enters the accommodating part 11 through the air pipe 2.

[0032] One end of the burner cylinder 1 is provided with a first connecting piece 12 and a burner end cover 13. The first connecting piece 12 is welded with the burner cylinder 1, and the burner end cover 13 is provided with a flame detection device 14. In the embodiment, the model of the flame detection device 14 is SCU2.2-5 / 220. The flame detection device 14 detects whether the burner ignition is successful. After successful ignition, the flame detection device 14 detects the flame to determine success, and sends a signal to the control system. The control system automatically opens the flame slowly. A first sealing gasket 18 is arranged between the first connecting piece 12 and the burner end cover 13 to seal the burner end cover 13 and the first connecting piece 12, prevent the combustion-supporting air and natural gas from leaking, effectively avoid the waste of natural gas and the occurrence of safety accidents. The first connecting piece 12 and the burner end cover 13 are fixed by a bolt 15 and a nut 16.

[0033] The surface of the burner cylinder 1 is provided with a second connecting piece 17. The second connecting piece 17 is provided with a second sealing gasket 171. The second connecting piece 17 is used for fixing the burner cylinder 1 in the installation hole reserved in the furnace wall in the subsequent process. The second sealing gasket 171 is used for sealing between the burner cylinder 1 and the furnace wall to prevent the combustion-supporting air and natural gas from leaking, effectively avoid the waste of natural gas and the occurrence of safety accidents.

[0034] As shown in the figure, Figures 2-4As shown, it also includes a gas pipe 3 and a wind disc 4, the wind disc 4 can be used to fix the gas pipe 3, and the wind disc 4 has the function of guiding wind, dispersing the direction and speed of the wind. The wind disc 4 is provided with an air outlet 41 in the middle, the wind disc 4 is fixed in the containing part 11, and the wind disc 4 is arranged in a cross shape, so that the wind disc 4 and the containing part 11 are divided into a plurality of air outlets 42, and the air outlet 41 is arranged between the plurality of air outlets 42.

[0035] The wind disc 4 is not only arranged in a cross shape, but also arranged at an angle of 45 degrees, so that the air outlet 42 has a large air outlet cross-sectional area, slows down the speed of the flame, and the flame is scattered (because the cross-sectional area of the air outlet 42 is large, the opening is large, the speed of the air coming out will be slow, and the flame will not be concentrated in one position, so the flame will be scattered in the whole furnace) After scattering, the fire will fill the whole furnace, so that the whole furnace temperature is uniform, and there will be no local high temperature.

[0036]

[0037]

[0038] The natural gas energy consumption is reduced from 35m 3 to 23m 3 , the loss is reduced from 9% to 4%, and the energy loss is reduced.

[0039] One end of the gas pipe 3 is provided with a pipe tooth 33 for installing an external gas pipeline, the gas pipe 3 is provided with a connecting plate 31, and the connecting plate 31 is provided with a plurality of plate holes 311, and the part of the gas pipe 3 protruding from the wind disc 4 is provided with a plurality of gas holes 32, and one of the gas holes 32 is arranged to face the spark column 43 mentioned below, so that the gas can be uniformly mixed with the combustion air, the ignition is easier, the furnace temperature is more uniform, and the combustion is more complete.

[0040] The application also comprises a first sleeve 5, which is a screw sleeve, and the first sleeve 5 is connected with the burner end cover 13, and a second sleeve 6 is arranged in the first sleeve 5, and the second sleeve 6 is a ceramic sleeve, and the electrode wire 61 is arranged in the second sleeve 6, and one end of the electrode wire 61 arranged in the accommodating portion 11 is provided with an electrode head 611, and the air disc 4 is provided with a spark column 43 matched with the electrode head 611, and in order to make the electrode head 611 and the spark column 43 welded on the air disc 4, the air disc 4 is provided with a hole for fixing the spark column 43 and the electrode, and through the arrangement of the second sleeve 6, the insulation between the first sleeve 5 and the electrode wire 61 is ensured, the electrode head 611 is welded on the end of the electrode wire 61, mainly generates an electric spark with the spark column 43, and the spark column 43 is welded on the air disc 4 to generate an electric spark with the electrode head 611.

[0041] One end of the electrode wire 61 is processed into a screw thread, and then the electrode wire 61 is fixed on the burner end cover 13 through the small nut 612, and the screw thread of the electrode wire 61 is used for connecting an external high-voltage pulse electric, and the high-voltage electric is conducted to the electrode head 611 through the electrode wire 61, and since there is a certain gap between the electrode head 611 and the spark column 43, sparks are generated for ignition, and the gap between the electrode head 611 and the spark column 43 is controlled to be 1-2 mm, so that sparks can be more easily generated.

[0042] In the embodiment, the burner cylinder 1 and the air disc 4 are made of 310S high-temperature-resistant stainless steel, and the stainless steel has good oxidation resistance, corrosion resistance and high-temperature resistance, and can continuously work at high temperature to meet the combustion demand.

[0043] In the embodiment, the first connecting piece 12, the second connecting piece 17 and the third connecting piece 21 are flanges.

[0044] Principle description: Combustion-supporting air enters into the accommodating portion 11 from the air pipe 2, and then passes through the air outlet 42 of the air disc 4, and fuel gas enters from the fuel gas pipe 3 and then passes through the plate hole 311 of the connecting plate 31. The combustion-supporting air and the fuel gas are uniformly mixed at the opening of the burner cylinder 1, and the electrode wire 61 conducts external pulse high-voltage electric to make sparks generated between the electrode head 611 and the spark column 43, and the mixed gas of the combustion-supporting air and the fuel gas is ignited after meeting the sparks, and during the period, the fuel gas and the combustion-supporting air are continuously fed to realize continuous and stable combustion and process metal materials.

[0045] The technical effects of the utility model mainly embody in the following aspects:

[0046] Local high temperature is effectively avoided, rapid melting is realized, and energy loss is reduced.

[0047] Of course, the above is only a typical example of the utility model, and in addition to this, the utility model can have other various specific implementation manners, and any technical scheme formed by equivalent replacement or equivalent transformation falls within the scope required for protection of the utility model.

Claims

1. A burner suitable for use in the smelting of zinc alloys, characterised in that, The utility model relates to a burner, which comprises a burner barrel (1) with both ends open to form a containing part (11) inside, an air pipe (2) arranged at the bottom of the burner barrel (1) and connected with the burner barrel (1), a wind disc (4) with a gas outlet (41) arranged in the middle and fixed in the containing part (11), the wind disc (4) being arranged in a cross shape to divide the containing part (11) into a plurality of air outlets (42), the gas outlet (41) being arranged between the air outlets (42), a gas pipe (3) partially arranged in the containing part (11) and connected with the wind disc (4) at one end. The wind disc (4) is arranged at an angle of 45 degrees in a cross shape. One end of the burner barrel (1) is provided with a first connecting piece (12) and a burner end cover (13), and the gas pipe (3) is arranged in the burner end cover (13). A first sealing gasket (18) is arranged between the first connecting piece (12) and the burner end cover (13). The burner end cover (13) is connected with a first sleeve body (5), the first sleeve body (5) is provided with a second sleeve body (6), the second sleeve body (6) is arranged with an electrode wire (61), one end of the electrode wire (61) arranged in the containing part (11) is provided with an electrode head (611), and the wind disc (4) is provided with a spark column (43) matched with the electrode head (611).

2. A burner for use in smelting zinc alloys as claimed in claim 1, characterised in that: One end of the gas pipe (3) arranged in the containing part (11) is provided with a connecting plate (31) with a plurality of plate holes (311).

3. The burner for use in smelting of zinc alloys according to claim 1, characterized in that: The part of the gas pipe (3) protruding from the wind disc (4) is provided with a plurality of gas holes (32).

4. The burner as claimed in claim 3, adapted for use in smelting of zinc alloys, characterized in that: The burner barrel (1) and the wind disc (4) are made of 310S high-temperature-resistant stainless steel.

5. The burner as claimed in claim 3, adapted for use in smelting of zinc alloys, characterized in that: The burner end cover (13) is provided with a flame detection device (14).

6. The burner for use in smelting of zinc alloys according to claim 1, characterized in that: The surface of the burner barrel (1) is provided with a second connecting piece (17), and the air pipe (2) is provided with a third connecting piece (21). The second connecting piece (17) is provided with a second sealing gasket (171).

7. The burner for use in smelting of zinc alloys according to claim 1, characterized in that: ​ 8. The burner as claimed in claim 3, adapted for melting of zinc alloys, characterized in that: ​ 9. The burner for use in smelting of zinc alloys according to claim 8, characterized in that: ​ 10. The burner as claimed in claim 9, adapted for use in smelting of zinc alloys, characterized in that: ​

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