CN218723080U

CN218723080U - Magnesium metal ingot refining and melting furnace

Info

Publication number: CN218723080U
Application number: CN202223027136.0U
Authority: CN
Inventors: 尹小彬; 孙家业; 陈刚; 潘书文
Original assignee: Ningxia Sun Magnesium Industry Co ltd
Current assignee: Ningxia Sun Magnesium Industry Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-24
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to a concise melting furnace of metal magnesium ingot, including melting furnace body, melting furnace body includes furnace body and lower furnace body, is provided with the stove flange between the two, and last furnace body top is provided with the top cap, and the intercommunication is provided with throttle device on the top cap, goes up the furnace body side and has set gradually the feed inlet, and the discharge gate removes the cinder notch, detection device and liquid pump unit, lower furnace body side has set gradually the flue, viewing aperture, burner assembly. The beneficial effects are that: the utility model has simple and compact structure, adopts the turnover rod to close the wind door plate, and effectively prevents impurities from entering the furnace; the crude magnesium is purified, the liquid level switch and the thermocouple sensor detect the liquid level change and the temperature change, the process control temperature is kept in the melting process of the magnesium metal ingot, metal residues generated by uneven heating of the magnesium metal are reduced, the refining work efficiency of the magnesium metal ingot is effectively improved, and the service life of equipment is prolonged.

Description

Magnesium metal ingot refining and melting furnace

Technical Field

The embodiment of the utility model provides a relate to the metal smelting field, concretely relates to concise melting furnace of metal magnesium ingot.

Background

In the field of metallurgy, magnesium metal is used as a special metal material and is applied more and more widely, and in order to obtain high-purity magnesium metal, high-temperature heating purification of crude magnesium is required, for example, in the utility model patent with application number CN 200620200237.5. The process control temperature needs to be reached in the magnesium metal heating process, and the uneven heating can cause more metal residues after the magnesium metal ingot is melted, so that the quality and the efficiency of metal smelting are difficult to obviously improve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a detectable heating temperature and liquid level change, can be with the refined melting furnace of metal magnesium ingot of crude magnesium purification.

In order to solve the above problem, the utility model provides a following technical scheme: the utility model provides a concise melting furnace of magnesium metal ingot, includes the melting furnace body, the melting furnace body includes furnace body and lower furnace body, is provided with the flange in the stove between the two, it is provided with the top cap to go up the furnace body top, the intercommunication is provided with throttle device on the top cap, it has set gradually the feed inlet to go up the furnace body side, and the discharge gate removes the cinder notch, detection device and liquid pump unit, the furnace body side has set gradually the flue down, viewing aperture, nozzle assembly.

Further, the air door device comprises an air door channel communicated with the top cover, a control assembly and a connecting rod assembly; the opening of the air door channel is upward, the control assembly comprises an air door plate and a turning rod, the air door plate is positioned in the air door channel, a fixing piece is arranged on the air door plate, the turning rod transversely penetrates through the air door channel, the fixing piece fixes the air door plate on the turning rod, and bearing seats fixedly welded on two sides of the air door channel are arranged at two ends of the turning rod; the connecting rod assembly comprises a connecting rod and an air door pull frame welded on the top cover and used for supporting the connecting rod, one end of the connecting rod is connected with a turning rod in a flange mode, the other end of the connecting rod is connected with the turning rod, the turning rod is rotatably connected with a switching plate, the switching plate is rotatably connected with an air door wrench, and a fan-shaped frame fixed to the side face of the upper furnace body is connected onto the air door wrench. The turnover rod controls the opening and closing of the air door plate, smoke in the melting furnace is discharged through the air door channel, and after the smoke is discharged, the air door plate is closed, so that impurities are prevented from entering.

Further, the discharge hole extends towards the interior of the upper furnace body to form a discharge chute.

Further, the deslagging port is a rectangular opening with a frame, the width of the deslagging port is W, the radius of the upper furnace body is R, W = R, and the height of the deslagging port is H, H =2R. The slag removing opening is convenient for slag removing tools to enter from the slag removing opening and take out waste slag.

Furthermore, detection device includes level switch and thermocouple welding frame, and thermocouple sensor is installed to thermocouple welding frame, and thermocouple sensor installs inside last furnace body. The liquid level switch is used for detecting liquid level change of the feed liquid, and the thermocouple sensor is used for detecting temperature change in the furnace.

Furthermore, the flue is close to the slag removal opening, the flue is an L-shaped cylinder with an upward opening, and a flue support fixedly mounted on the lower furnace body is welded at the bottom of the flue.

Furthermore, a plurality of furnace inner legs are arranged at the upper end of the inner wall of the lower furnace body in an array mode, supporting plates are arranged on the furnace inner legs and used for supporting a melting pot, the melting pot is an inverted hollow circular table, and a heat insulation layer is arranged between the melting pot and the lower furnace body. The outer surface of the melting pot is made of heat-resistant stainless steel, so that the service life can be effectively prolonged, and the deposition of metal scale on the bottom of the melting pot can be prevented.

Furthermore, the heat-insulating layer is filled with aluminum silicate.

Furthermore, a cavity below the melting pot is a combustion cavity, refractory bricks are laid on the inner wall of the combustion cavity, and one side of the combustion cavity is communicated with the outside of the lower furnace body and is provided with a burner assembly. The burner assembly is used for burning the coal gas and the air which are introduced into the burning cavity, and heating the melting pot to melt the magnesium metal ingot.

Furthermore, an embedded motor base is arranged on the upper furnace body, and a liquid pump device is installed on the motor base.

The utility model has the advantages that: the utility model discloses compact structure, the air door device can effectively be with interior smoke and dust discharge, the adoption turns over the folding rod with the wind door plant closure, effectively prevent that impurity from getting into in the stove, use the slagging-off instrument to take out the waste residue through removing the cinder notch, effectively purify thick magnesium, level switch and thermocouple sensor detect level variation and temperature variation, through control nozzle assembly, thereby guarantee that the magnesium metal ingot melts the in-process and keep technology control temperature, it heats inhomogeneously and produces metal residue to reduce the magnesium metal, the heat loss in the reducible stove of heat preservation, effectively improve the concise work efficiency of magnesium metal ingot, the extension equipment life.

Drawings

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of an embodiment of the present invention;

FIG. 3 is a front view of an embodiment of the present invention;

fig. 4 is a top view of an embodiment of the present invention;

in the figure: 1. a melting furnace body; 2. an upper furnace body; 3. a lower furnace body; 4. a flange in the furnace; 5. a top cover; 6. a damper device; 7. a feed inlet; 8. a discharge port; 9. a deslagging port; 10. a detection device; 11. a liquid pump device; 12. a flue; 13. a viewing port; 14. a burner assembly; 15. a support plate; 16. melting the pan; 60. a damper passage; 61. a control component; 62. a connecting rod assembly; 101. a liquid level switch; 102. a thermocouple welding frame; 610. a wind door panel; 611. a folding rod; 612. a fixing member; 613. a bearing seat; 620. a connecting rod; 621. an air door spanner frame; 622. a turning rod; 623. an adapter plate; 624. an air door wrench; 625. a fan-shaped frame.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

Referring to the attached drawings 1-4 of the specification, the utility model provides a magnesium metal ingot refining and melting furnace, including melting furnace body 1, melting furnace body 1 includes upper furnace body 2 and lower furnace body 3, is provided with furnace flange 4 between the two for with upper furnace body 2 and lower furnace body 3 fixed connection, upper furnace body 2 top is provided with top cap 5, top cap 5 is the conical shape of inversion, the intercommunication is provided with air door device 6 on top cap 5, air door device 6 includes air door passageway 60, control assembly 61 and link assembly 62 that communicate top cap 5; the opening of the air door channel 60 is upward, the control assembly 61 comprises an air door plate 610 and a turning rod 611, the air door plate 610 is located inside the air door channel 60 and close to the outlet, a fixing part 612 is arranged on the air door plate 610, the turning rod 611 transversely penetrates through the air door channel 60, the fixing part 612 fixes the air door plate 610 on the turning rod 611, bearing seats 613 fixedly welded to two sides of the air door channel 60 are arranged at two ends of the turning rod 611, and the opening and closing of the air door channel 60 are controlled through the rotation of the turning rod 611; the connecting rod assembly 62 comprises a connecting rod 620 and an air door wrench frame 621 welded on the top cover 5 and used for supporting the connecting rod 620, one end of the connecting rod 620 is connected with the turning rod 611 in a flange mode, the other end of the connecting rod 620 is connected with the turning rod 622, the turning rod 622 is rotatably connected with the adapter plate 623, the adapter plate 623 is rotatably connected with the air door wrench 624, and the air door wrench 624 is connected with a fan-shaped frame 625 fixed on the side face of the upper furnace body 2.

The side surface of the upper furnace body 2 is sequentially provided with a feed inlet 7, a discharge outlet 8, a deslagging port 9, a detection device 10 and a liquid pump device 11. The discharge gate 8 is provided with the blown down tank to the inside extension of upper furnace body 2, and the slagging tap 9 is the rectangle opening of taking the frame, and the slagging tap 9 width is W, and the radius of upper furnace body 2 is R, then W = R, and the height of slagging tap 9 is H, then H =2R. The detection device 10 comprises a liquid level switch 101 and a thermocouple welding frame 102, wherein the liquid level switch 101 is used for monitoring liquid level change in the melting furnace, the thermocouple welding frame 102 is provided with a thermocouple sensor, and the thermocouple sensor is arranged in the upper furnace body 2 and used for monitoring temperature change in the melting furnace. An embedded motor base is arranged on the upper furnace body 2, and a liquid pump device 11 is installed on the motor base.

The side of the lower furnace body 3 is sequentially provided with a flue 12, a viewing port 13 and a burner assembly 14. A flue 12 is arranged on the side surface of the lower furnace body 3 close to the slag removing opening 9, the flue 12 is an L-shaped cylinder and has an upward opening, a flue 12 support fixedly mounted on the lower furnace body 3 is welded at the bottom of the flue 12, a plurality of furnace inner legs are arranged on the upper end of the inner wall of the lower furnace body 3 in an array manner, a supporting plate 15 is arranged on each furnace inner leg and used for supporting a melting pot 16, the melting pot 16 is an inverted hollow circular table, a heat insulation layer is arranged between the melting pot 16 and the lower furnace body 3 and filled with aluminum silicate, a cavity below the melting pot 16 is a combustion cavity, refractory bricks are laid on the inner wall of the combustion cavity, and a burner assembly 14 is arranged on one side of the combustion cavity and communicated with the outside of the lower furnace body 3.

The utility model discloses a use does:

the material is followed the utility model discloses a feed inlet 7 gets into, burner assembly 14 heats melts pot 16, the material that makes the entering melt the stove melts, liquid level and temperature variation in liquid level switch 101 and the thermocouple sensor detection stove, control burner assembly 14 keeps the process control temperature, 3 flue gases of lower furnace body are discharged from flue 12, go up 2 flue gases of furnace body and follow air door device 6 discharge backs, air door board 610 is closed immediately, avoid impurity to get into, use the slagging-off instrument to take out the waste residue from slagging-off mouth 9, after the feed liquid reachd certain liquid level, pass through discharge gate 8 transfer utilization with the feed liquid through the siphon principle. The device has long service life and compact structure, and effectively improves the effect of purifying the metal magnesium ingot.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a magnesium metal ingot refining melting furnace, its characterized in that, includes melting furnace body (1), melting furnace body (1) includes furnace body (2) and lower furnace body (3), is provided with flange (4) in the stove between the two, it is provided with top cap (5) to go up furnace body (2) top, the intercommunication is provided with air door device (6) on top cap (5), it has feed inlet (7) to go up furnace body (2) side in proper order, discharge gate (8), slag notch (9), detection device (10) and liquid pump device (11) to remove, furnace body (3) side has set gradually flue (12) down, viewing aperture (13), nozzle subassembly (14).

2. A magnesium ingot refining and melting furnace as claimed in claim 1, wherein the damper device (6) comprises a damper passage (60) communicating with the top cover (5), a control assembly (61) and a connecting rod assembly (62); the opening of the air door channel (60) is upward, the control assembly (61) comprises an air door plate (610) and a turnover rod (611), the air door plate (610) is located inside the air door channel (60), a fixing piece (612) is arranged on the air door plate (610), the turnover rod (611) transversely penetrates through the air door channel (60), the fixing piece (612) fixes the air door plate (610) on the turnover rod (611), and bearing seats (613) fixedly welded at two sides of the air door channel (60) are arranged at two ends of the turnover rod (611); link assembly (62) include connecting rod (620) and weld and be used for supporting on top cap (5) frame (621) is pulled to the air door of connecting rod (620), connecting rod (620) one end flange joint turn over folding rod (611), the other end is connected with folding rod (622), folding rod (622) rotate and are connected with keysets (623), keysets (623) rotate and are connected with air door spanner (624), be connected with on air door spanner (624) and be fixed in fan-shaped frame (625) of last furnace body (2) side.

3. A magnesium ingot refining and melting furnace as claimed in claim 1, wherein the discharge port (8) is provided with a discharge chute extending towards the inside of the upper furnace body (2).

4. A magnesium ingot refining and melting furnace as claimed in claim 1, wherein the deslagging hatch (9) is a rectangular opening with a frame, the width of the deslagging hatch (9) is W, the radius of the upper furnace body (2) is R, W = R, and the height of the deslagging hatch (9) is H, H =2R.

5. A magnesium ingot refining and melting furnace as claimed in claim 1, wherein the detection means (10) comprises a liquid level switch (101) and a thermocouple welding holder (102), the thermocouple welding holder (102) being provided with a thermocouple sensor, the thermocouple sensor being provided inside the upper furnace body (2).

6. A magnesium metal ingot refining and melting furnace as claimed in claim 1, wherein the flue (12) is close to the slag removal port, the flue (12) is an L-shaped cylinder with an upward opening, and the bottom of the flue (12) is welded with a flue (12) bracket fixedly installed on the lower furnace body (3).

7. The magnesium metal ingot refining and melting furnace as recited in claim 1, wherein a plurality of furnace inner legs are arranged at the upper end of the inner wall of the lower furnace body (3) in an array manner, supporting plates (15) are arranged on the furnace inner legs and used for supporting a melting pot (16), the melting pot (16) is an inverted hollow circular truncated cone, and a heat insulation layer is arranged between the melting pot (16) and the lower furnace body (3).

8. The magnesium ingot refining and melting furnace as recited in claim 7, wherein the heat insulating layer is filled with aluminum silicate.

9. The magnesium metal ingot refining and melting furnace as claimed in claim 7, wherein the cavity below the melting pot (16) is a combustion chamber, refractory bricks are laid on the inner wall of the combustion chamber, and one side of the combustion chamber is communicated with the burner assembly (14) towards the outside of the lower furnace body (3).

10. A magnesium ingot refining and melting furnace as claimed in claim 1, wherein the upper furnace body (2) is provided with an embedded motor base, and the motor base is provided with the liquid pump device (11).