Efficient and energy-saving magnesium smelting reduction furnace

Abstract

The invention relates to the field of non-ferrous metal smelting, and particularly discloses an efficient energy-saving magnesium smelting reduction furnace which comprises a furnace body, a reduction cylinder is arranged in the furnace body, a magnesium steam round pipe is arranged in the reduction cylinder, a sealing cover is arranged at the upper end of the reduction cylinder, and a feeding pipe is arranged at the upper end of the middle of the sealing cover; the upper end of the feeding pipe is fixedly connected with a feeding bin. By the adoption of the structure, the reduction furnace has the advantages of being simple in structure, convenient to construct, short in construction period and small in single-furnace investment, magnesium can be efficiently and continuously smelted in an energy-saving mode through the reduction furnace, when magnesium oxide raw materials are processed, gas in the mixing gas channel is combusted through the arranged two-way multi-burner double-heat-storage assembly, and the energy-saving effect is achieved. And then the multiple groups of fire nozzles are used for flaming and heating, so that uniform heating of the whole body of the reduction cylinder is ensured, the situation that the reduction cylinder is burnt out and cannot be used due to local high temperature is avoided, the maintenance time is short, the heat efficiency utilization rate is high, and energy is saved for continuous production.

Description

Technical Field

[0001] The invention relates to the field of nonferrous metal smelting, in particular to a high-efficiency and energy-saving magnesium smelting reduction furnace. Background Art

[0002] In the current existing technology, there are two main processes for smelting magnesium, the electrolytic method and the silicothermic method. The electrolytic method uses anhydrous magnesium chloride, but the difficulty in preparing anhydrous magnesium chloride restricts the use of the electrolytic method. The silicothermic method is to put peach-shaped balls made of ferrosilicon magnesium oxide fluorite powder into a reduction tank, pre-vacuum the tank and maintain a certain vacuum degree. The reduction tank reacts under high temperature conditions in the reduction furnace to generate magnesium vapor, which is then sucked into the crystallizer for cooling and crystallization to produce crude magnesium.

[0003] This magnesium reduction furnace consists of multiple small reduction tanks placed in a reduction furnace. The small reduction tanks are placed in the reduction furnace horizontally or vertically. The small reduction tanks placed in the reduction furnace horizontally are horizontal reduction furnaces, and the small reduction tanks placed in the reduction furnace vertically are vertical reduction furnaces. The horizontal reduction furnace has a reduction time of 9-10 hours and produces crude magnesium twice a day, while the vertical reduction furnace has a reduction time of 20 hours and produces crude magnesium once a day. These two types of reduction furnaces have long reduction times, low thermal efficiency, and high technical energy consumption. Intermittent loading causes great damage to the reduction tank. The temperature rises slowly in the reduction furnace and the reduction tank. The reduction tank body is heated unevenly. The vertical tank is deep, resulting in the material balls at the bottom of the loading being fragile and pressed more solidly. The vertical tank crystallization tube is directly above the tank. Under vacuum suction, the hot air flow gathers in the inner cavity of the crystallization tube, and the temperature cannot be reduced, resulting in the inability of magnesium vapor to effectively crystallize here. The intermittent production of crude magnesium and the loading of material balls into the room temperature raw material balls cause the high-temperature reduction tank to be hot and cold, which reduces the service life. The reduction reaction takes a long time, with low production efficiency and high energy consumption. Summary of the invention

[0004] The object of the present invention is to provide a high-efficiency and energy-saving magnesium smelting reduction furnace to solve the problems of poor reduction effect and low efficiency mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides an efficient and energy-saving magnesium smelting reduction furnace, comprising a furnace body, a reduction cylinder is arranged inside the furnace body, a magnesium steam round tube is arranged inside the reduction cylinder, a sealing cover is arranged on the upper end of the furnace body, a feed pipe is arranged in the middle of the upper end of the sealing cover, the upper end of the feed pipe is fixedly connected with a feed bin, a feed valve is arranged on the tube body of the feed pipe, the upper end of the sealing cover is located around the feed pipe, and a plurality of upper water-cooling jackets are arranged on the upper end, and a plurality of plug valves are arranged at the lower end of the upper water-cooling jacket, a slag outlet is opened at the lower end of the reduction cylinder, a group of two-way multi-burner and double heat storage components are symmetrically arranged on the outer side of the furnace body, and a slag outlet is arranged inside the slag outlet; the reduced magnesium vapor enters the magnesium steam round tube body through the slit, and is extracted under vacuum negative pressure. The crystallizer that flows into the inner cavity of the upper water-cooling jacket is sucked down, and an ash baffle, a flow-averaging baffle, a crystallizer, and a crystallization frame are placed in the inner cavity of the upper water-cooling jacket in sequence. Magnesium vapor is sucked into the crystallizer. When crude magnesium is discharged, the two gate valves at the head end of the upper water-cooling jacket are first closed, and then the vacuum tube valve is closed, and the end cover of the upper water-cooling jacket is opened to take out the crystallizer. During this process, the other crystallizer of the upper water-cooling jacket is in a normal production state, and magnesium vapor is continuously sucked out and cooled and crystallized to obtain crude magnesium. After the crude magnesium is discharged, an ash baffle, a crystallizer, a flow-averaging baffle, and a crystallization frame are placed in sequence, the end cover of the upper water-cooling jacket is covered, and the vacuum tube valve is opened. Vacuum is first performed, and after vacuum, the two gate valves at the head end of the upper water-cooling jacket are opened to enter a normal production state. After the other crystallizer is full, crude magnesium is discharged and the operation is carried out in a cycle in sequence to achieve a continuous effect of magnesium smelting reduction production.

[0006] Furthermore, the magnesium steam circular tube comprises a circular tube body arranged inside the reduction cylinder, a magnesium steam outlet is provided at the upper end of the circular tube body, a plurality of slits are provided on the surface of the circular tube body, and a plurality of slag discharge channels are provided at the lower end of the circular tube body; the top of the magnesium steam circular tube is covered by a fabric umbrella, a magnesium steam outlet is distributed between the fabric umbrella and the circular tube body, and a lower slag discharge channel is provided between the lower part and the reduction cylinder. The magnesium steam circular tube is arranged so that magnesium steam can be conveniently and efficiently collected, thereby improving the reduction effect of magnesium oxide, and further improving the efficiency of magnesium oxide reduction. At the same time, impurities after the reaction are completed will be discharged through the slag discharge channel at the lower end of the circular tube body.

[0007] Furthermore, the bidirectional multi-nozzle dual heat storage component includes a mixing gas duct arranged on the outside of the furnace body, air inlets are opened at both ends of the mixing gas duct, regulating valves are arranged at the inlets of the air inlets, refractory bricks are fixedly connected to the inner sides of the mixing gas ducts, the refractory bricks penetrate the furnace body, a heat storage body is arranged inside the refractory bricks, and the other end of the refractory bricks extends into the furnace body and is provided with a nozzle opening; the bidirectional multi-nozzle dual heat storage component consists of an air inlet, a mixing gas duct, a heat storage body, a nozzle opening, etc. The bidirectional flame air inlet nozzle opening is along the inner arc of the furnace body and inscribed in the inner arc of the furnace body, and the flame airflow enters the furnace cavity from the nozzle opening in the opposite direction, so that the heating of the reduction cylinder is more uniform, thereby improving the efficiency of magnesium oxide reduction.

[0008] Furthermore, the slag discharge assembly includes a lower water-cooling jacket arranged on the surface of the slag discharge port, a reduction motor is fixedly connected to the outer side of the slag discharge port, an output shaft of the reduction motor passes through the slag discharge port and is fixedly connected to a shaft rod, and a star-shaped sealing discharge plate is provided on the outer surface of the shaft rod; the star-shaped sealing ring can provide a good sealing effect under high-pressure environment due to its non-circular cross-section design. This design makes the star-shaped sealing ring not easy to twist during reciprocating motion, has low contact pressure and friction, thereby reducing the possibility of leakage.

[0009] Furthermore, a cloth umbrella is fixedly connected to the upper end of the magnesium steam round tube, and the cloth umbrella wraps the upper end of the magnesium steam round tube. A material dividing plate is fixedly connected to the inner side of the reduction cylinder, and the material dividing plate is located below the cloth umbrella.

[0010] Furthermore, a mounting plate is fixedly connected to the bottom side of the furnace body, a mounting bracket is fixedly connected to the lower end of the mounting plate, a plurality of mounting brackets are provided, and the mounting bracket is fixedly connected to the mounting plate by welding.

[0011] Furthermore, a fixing plate is fixedly connected to the lower end of the mounting bracket, a plurality of fixing through holes are opened on the surface of the fixing plate, a plurality of fixing screws are inserted into the inside of the fixing through holes, and the fixing screws pass through the fixing through holes and are fixedly connected to the base layer; by moving the device to a suitable position, and then passing the fixing screws through the fixing through holes and then connecting to the base layer, the device can be fixed, thereby increasing the stability of the device when in use.

[0012] Furthermore, the reduction cylinder is inside the furnace body, the magnesium steam round tube is in the middle of the reduction cylinder, the diameter of the reduction cylinder is between 800mm and 2000mm, and the lower end of the magnesium steam round tube is placed on the slope of the lower end of the reduction cylinder.

[0013] Furthermore, the top of the reduction cylinder is sealed by a sealing cover, and the top of the sealing cover is fixedly connected to the feed pipe, and the feed pipe is connected to the inner cavity of the reduction cylinder through the middle hole of the sealing cover.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] First, the present invention provides a magnesium smelting reduction furnace, which has a simple structure, is easy to build, has a short construction period, and has low single furnace investment. The reduction furnace can be used to smelt magnesium efficiently and energy-savingly and continuously. When processing magnesium oxide raw materials, the gas inside the mixed gas channel is burned by setting a two-way multi-burner double heat storage component, and then the gas is heated by spraying flames through multiple groups of burner ports, ensuring uniform heating of the reduction cylinder, avoiding local high temperature causing the reduction cylinder to burn out and become unusable, and having the advantages of short maintenance time, high thermal efficiency, and energy-saving and continuous production;

[0016] Secondly, by connecting the mixed gas with the mixed gas channel, the gas then enters the interior of the refractory brick through the mixed gas channel, and finally the gas is ignited and ejected through the burner mouth, and a plurality of burner mouths are arranged on the surface of the refractory brick, and the flame airflow enters the interior of the furnace body from the burner mouth in the opposite direction, so as to achieve a uniform heating effect, and the production reduction temperature is controlled between 1200°C and 1450°C to make the reduction effect better. During the reduction of magnesium vapor, the steam moves to the upper end through a plurality of slits on the surface of the circular tube body, and then is discharged through the magnesium vapor outlet at the upper end of the circular tube body, so that the magnesium vapor can be conveniently collected, and when discharging slag, the amount of discharge and the height of the material level in the reduction cylinder are controlled by controlling the reduction motor and the speed of the star-shaped sealing discharge plate. Between the star-shaped sealing discharge plate and the reduction cylinder is a lower end water-cooled jacket cooling device, and the reduction slag in the reduction cylinder passes through the star-shaped sealing discharge plate, and is slowly discharged under the drive of the reduction motor and falls into the silo, so that it is more convenient to discharge the internal material. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure in the present invention;

[0020] Figure 4 It is a structural schematic diagram of the magnesium steam round tube in the present invention;

[0021] Figure 5 For the present invention Figure 1 A schematic diagram of the enlarged structure of part A;

[0022] Figure 6 It is a structural schematic diagram of the slag discharge assembly in the present invention;

[0023] Figure 7 It is a schematic diagram of the structure of the upper water cooling jacket in the present invention;

[0024] Figure 8 It is a schematic diagram of the split structure of the magnesium vapor tube in the present invention.

[0025] In the figure: 1. furnace body; 2. sealing cover; 3. reduction cylinder; 4. magnesium steam circular tube; 41. circular tube body; 42. slit; 43. magnesium steam outlet; 44. slag discharge channel; 5. slag discharge port; 6. slag discharge assembly; 61. reduction motor; 62. shaft; 63. star-shaped sealing discharge plate; 64. lower end water cooling jacket; 7. two-way multi-burner double heat storage assembly; 71. mixing gas channel; 72. air inlet; 73. refractory brick; 74. heat storage body; 75. burner mouth; 76. regulating valve; 8. feed pipe; 9. feed bin; 10. upper end water cooling jacket; 11. cloth umbrella; 12. distribution plate; 13. plug valve; 14. feed valve; 15. mounting plate; 16. mounting bracket; 17. fixing plate; 18. fixing through hole; 19. fixing screw. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 8In the embodiment of the present invention, a high-efficiency and energy-saving magnesium smelting reduction furnace includes a furnace body 1, a reduction cylinder 3 is arranged inside the furnace body 1, a magnesium steam round pipe 4 is arranged inside the reduction cylinder 3, a sealing cover 2 is arranged at the upper end of the reduction cylinder 3, a feed pipe 8 is arranged in the middle of the upper end of the sealing cover 2, a feed bin 9 is fixedly connected to the upper end of the feed pipe 8, a feed valve 14 is arranged on the body of the feed pipe 8, a plurality of upper water-cooling jackets 10 are arranged around the upper end of the sealing cover 2, a plurality of gate valves 13 are arranged at the lower end of the upper water-cooling jacket 10, a slag outlet 5 is opened at the lower end of the reduction cylinder 3, and the outer side of the furnace body 1 is symmetrically provided with A two-way multi-burner double heat storage component 7, a slag outlet 5 is provided with a slag outlet component 6, a reduction cylinder 3 is inside the furnace body 1, a magnesium steam round tube 4 is in the middle of the reduction cylinder 3, the diameter of the reduction cylinder 3 is between 800mm and 2000mm, the lower end of the magnesium steam round tube 4 is placed on the slope of the lower end of the reduction cylinder 3, the top of the reduction cylinder 3 is sealed by a sealing cover 2, the middle upper part of the sealing cover 2 is a feed pipe 8, and the feed pipe 8 is connected to the inner cavity of the reduction cylinder 3 through the middle hole of the sealing cover 2; first, the prepared magnesium oxide raw material ball is transported from the top feeding bin 9 and the feed pipe 8 to the inside of the reduction cylinder 3, and then the cloth umbrella 11 is provided , it can avoid the situation that the raw material falls into the inside of the round tube body 41, and under the action of the dividing plate 12, the raw material can be uniformly entered into the reduction cylinder 3, the material inside the reduction cylinder 3 is loaded to a certain height, the loading is completed, and in the normal production process, the height is kept unchanged, and the reduced magnesium vapor enters the round tube body 41 through the slit 42, and flows into the crystallizer in the inner cavity of the upper water-cooling jacket 10 under the suction of vacuum negative pressure. In the inner cavity of the upper water-cooling jacket 10, the ash baffle plate, crystallizer, crystal frame, and flow-averaging baffle are placed in sequence, and the magnesium vapor is sucked into the crystallizer. When the crude magnesium is discharged, the two gate valves at the head end of the upper water-cooling jacket 10 are closed first. 13, then close the vacuum tube valve, open the end cover of the upper water-cooling jacket 10, and take out the crystallizer. During this process, the other upper water-cooling jacket 10 crystallizer is in a normal production state, continuously sucking out magnesium vapor and cooling and crystallizing crude magnesium. After the crude magnesium is produced, put in the ash baffle plate, crystallizer, crystal frame, and flow equalization baffle in turn, cover the end cover of the upper water-cooling jacket 10, open the vacuum tube valve, first perform vacuum, and after vacuum, open the two plug valves 13 at the head end of the upper water-cooling jacket 10 to enter the normal production state. After the other crystallizer is full, crude magnesium is produced in sequence and the operation is cyclically performed. When multiple upper water-cooling jackets 10 are in production at the same time, the crude magnesium production operation is cyclically performed one by one.

[0028] See also Figure 2 , Figure 3 , Figure 4 and Figure 8The magnesium steam circular tube 4 includes a circular tube body 41 arranged inside the reduction cylinder 3, a magnesium steam outlet 43 is opened at the upper end of the circular tube body 41, a plurality of slits 42 are opened on the surface of the circular tube body 41, and a plurality of slag discharge channels 44 are opened at the lower end of the circular tube body 41; when magnesium oxide is reduced, the magnesium vapor moves to the upper end through the plurality of slits 42 on the surface of the circular tube body 41, and then is discharged through the magnesium vapor outlet 43 at the upper end of the circular tube body 41, so that the magnesium vapor can be conveniently and efficiently collected, and at the same time, the impurities after the reaction are discharged through the slag discharge channel 44 at the lower end of the circular tube body 41.

[0029] See also Figure 1-Figure 3 The two-way multi-burner dual heat storage component 7 includes a mixed gas channel 71 arranged on the outside of the furnace body 1, and air inlets 72 are provided at both ends of the mixed gas channel 71. Regulating valves 76 are provided on the surface of the air inlet 72, and refractory bricks 73 are fixedly connected to the inner side of the mixed gas channel 71. The refractory bricks 73 penetrate the furnace body 1, and a heat storage body 74 is provided inside the refractory bricks 73. The other end of the refractory bricks 73 extends into the furnace body 1 and is provided with a burner port 75; by connecting the mixed gas with the mixed gas channel 71, and then the gas enters the interior of the refractory bricks 73 through the mixed gas channel 71, and finally the gas is ignited and ejected through the burner port 75, and a plurality of burner ports 75 are provided on the surface of the refractory bricks 73, and the flame airflow enters the interior of the furnace body 1 from the burner port 75 in the opposite direction, so as to achieve a uniform heating effect.

[0030] See also Figure 1 , Figure 2 and Figure 6 The slag discharge assembly 6 includes a lower end water cooling jacket 64 arranged on the surface of the slag discharge port 5, and a reduction motor 61 is fixedly connected to the outer side of the slag discharge port 5. The output shaft of the reduction motor 61 passes through the slag discharge port 5 and is fixedly connected to a shaft rod 62. The outer surface of the shaft rod 62 is provided with a star-shaped sealing discharge plate 63; by controlling the reduction motor 61, the rotation speed of the star-shaped sealing discharge plate 63 is controlled to control the amount of discharge and the height of the material level in the reduction cylinder 3. Between the star-shaped sealing discharge plate 63 and the reduction cylinder 3 is a cooling device of the lower end water cooling jacket 64. The reduction slag in the reduction cylinder 3 is slowly discharged through the star-shaped sealing discharge plate 63 under the drive of the reduction motor and falls into the silo, so that it is more convenient to discharge the internal material. The star-shaped sealing ring can provide a good sealing effect under high pressure environment due to its non-circular cross-section design. This design makes the star-shaped sealing ring not easy to twist during reciprocating motion, and the contact pressure and friction are small, thereby reducing the possibility of leakage.

[0031] See also Figure 2 , Figure 4 and Figure 8The upper end of the magnesium steam circular tube 4 is fixedly connected with a cloth umbrella 11, and the cloth umbrella 11 wraps the upper end of the magnesium steam circular tube 4. The inner side of the reduction cylinder 3 is fixedly connected with a dividing plate 12, and the dividing plate 12 is located below the cloth umbrella 11; the setting of the cloth umbrella 11 can prevent the raw material from falling into the inside of the circular tube body 41, and under the action of the dividing plate 12, the raw material can evenly enter the inside of the reduction cylinder 3.

[0032] See also Figure 1 A mounting plate 15 is fixedly connected to the bottom side of the furnace body 1, and a mounting bracket 16 is fixedly connected to the lower end of the mounting plate 15. A plurality of mounting brackets 16 are provided, and the mounting bracket 16 is fixedly connected to the mounting plate 15 by welding. A fixing plate 17 is fixedly connected to the lower end of the mounting bracket 16. A plurality of fixing through holes 18 are provided on the surface of the fixing plate 17, and a plurality of fixing screws 19 are inserted into the inside of the fixing through holes 18. The fixing screws 19 pass through the fixing through holes 18 and are fixedly connected to the base layer. By moving the device to a suitable position, and then passing the fixing screws 19 through the fixing through holes 18 and then connecting to the base layer, the device can be fixed, thereby increasing the stability of the device when in use.

[0033] The working principle of the present invention is: first, the device is built in a suitable position, and then the fixing screw 19 is passed through the fixing through hole 18 to connect with the base surface, so that the device can be fixed, thereby increasing the stability of the device when in use, and then the prepared magnesium oxide raw material balls are transported from the top feeding bin 9 and the feeding pipe 8 to the inside of the reduction cylinder 3, and then the material umbrella 11 is set to prevent the raw material from falling into the inside of the circular tube body 41, and under the action of the dividing plate 12, the raw material can be evenly introduced into the reduction cylinder 3, and the material inside the reduction cylinder 3 is loaded to a certain height, and the loading is completed. During normal production, the height is kept unchanged, and then the mixed gas is connected to the mixed gas channel 71, and then the gas enters the interior of the refractory brick 73 through the mixed gas channel 71, and finally the gas is ignited and ejected through the burner mouth 75, and the surface of the refractory brick 73 is provided with a plurality of burner mouths 75, and the flame airflow enters the interior of the furnace body 1 from the burner mouth 75 in the opposite direction, so as to achieve a uniform heating effect, and the production reduction temperature is controlled between 1200°C and 1450°C, and the reduced magnesium vapor enters the circular tube body 41 through the slit 42, and flows into the crystallizer in the inner cavity of the upper end water cooling jacket 10 under the suction of vacuum negative pressure, and in the inner cavity of the upper end water cooling jacket 10, in sequence Put in the ash baffle plate, crystallizer, crystal frame, and flow-equalizing baffle plate, and the magnesium vapor is sucked into the crystallizer. When the crude magnesium is produced, first close the multiple gate valves 13 at the head end of the upper water-cooling jacket 10, then close the vacuum tube valve, open the end cover of the upper water-cooling jacket 10, and take out the crystallizer. During this process, the other upper water-cooling jacket 10 crystallizer is in a normal production state, continuously sucking out magnesium vapor and cooling and crystallizing crude magnesium. After the crude magnesium is produced, the ash baffle plate, crystallizer, crystal frame, and flow-equalizing baffle plate are put in order, the end cover of the upper water-cooling jacket 10 is covered, the vacuum tube valve is opened, and vacuum is first performed. After vacuum, the two gate valves 13 at the head end of the upper water-cooling jacket 10 are opened to enter the normal production state, and the other After a crystallizer is full, the crude magnesium is discharged and the operation is carried out in a cycle. After the magnesium reduction is completed, the speed of the star-shaped sealing discharge plate 63 can be controlled by controlling the reduction motor 61 to control the amount of discharge and the height of the material level in the reduction cylinder 3. Between the star-shaped sealing discharge plate 63 and the reduction cylinder 3 is a cooling device of a lower end water-cooling jacket 64. The reduction slag in the reduction cylinder 3 is slowly discharged through the star-shaped sealing discharge plate 63 driven by the reduction motor and falls into the discharge bin, thereby making it more convenient to discharge the internal material. The reduction furnace has a simple structure, is easy to build, has a short construction period, has low investment in a single furnace, is easy to use and maintain, and can continuously smelt magnesium with high efficiency and energy saving.

Claims

1. A high-efficiency and energy-saving magnesium reduction furnace, characterized in that: It includes a furnace body, a reduction cylinder is arranged inside the furnace body, a magnesium steam round tube is arranged inside the reduction cylinder, a sealing cover is arranged on the upper end of the reduction cylinder, a feed pipe is arranged in the middle of the upper end of the sealing cover, the upper end of the feed pipe is fixedly connected with a feed bin, a feed valve is arranged on the tube body of the feed pipe, the upper end of the sealing cover is located around the feed pipe and a plurality of upper water-cooling jackets are arranged, a plurality of plug valves are arranged at the lower end of the upper water-cooling jacket, a slag outlet is opened at the lower end of the reduction cylinder, a two-way multi-burner dual heat storage assembly is symmetrically arranged on the outer side of the furnace body, and a slag outlet assembly is arranged inside the slag outlet.

2. The high-efficiency and energy-saving magnesium reduction furnace according to claim 1, characterized in that: The magnesium steam round tube comprises a round tube body arranged inside a reduction cylinder, a magnesium steam outlet is opened at the upper end of the round tube body, a plurality of slits are opened on the surface of the round tube body, and a plurality of slag discharge channels are opened at the lower end of the round tube body.

3. The high-efficiency and energy-saving magnesium reduction furnace according to claim 1, characterized in that: The bidirectional multi-burner dual heat storage assembly includes a mixing gas duct arranged on the outside of the furnace body, air inlets are provided at both ends of the mixing gas duct, regulating valves are provided on the surfaces of the air inlets, refractory bricks are fixedly connected to the inner side of the mixing gas duct, the refractory bricks penetrate the furnace body, a heat storage body is provided inside the refractory bricks, and the other end of the refractory bricks extends into the furnace body and is provided with a burner opening.

4. The high-efficiency and energy-saving magnesium reduction furnace according to claim 1, characterized in that: The slag discharge assembly includes a lower end water cooling jacket arranged on the surface of the slag discharge port, a reduction motor is fixedly connected to the outer side of the slag discharge port, the output shaft of the reduction motor passes through the slag discharge port and is fixedly connected to a shaft rod, and a star-shaped sealing discharge plate is arranged on the outer surface of the shaft rod.

5. The high-efficiency and energy-saving magnesium reduction furnace according to claim 1, characterized in that: The upper end of the magnesium steam round tube is fixedly connected with a cloth umbrella, and the cloth umbrella wraps the upper end of the magnesium steam round tube. The inner side of the reduction cylinder is fixedly connected with a distribution plate, and the distribution plate is located below the cloth umbrella.

6. The high-efficiency and energy-saving magnesium reduction furnace according to claim 1, characterized in that: A mounting plate is fixedly connected to the bottom side of the furnace body, a mounting bracket is fixedly connected to the lower end of the mounting plate, a plurality of mounting brackets are provided, and the mounting bracket is fixedly connected to the mounting plate by welding.

7. The high-efficiency and energy-saving magnesium reduction furnace according to claim 6, characterized in that: A fixing plate is fixedly connected to the lower end of the mounting bracket, a plurality of fixing through holes are provided on the surface of the fixing plate, a plurality of fixing screws are inserted into the inside of the fixing through holes, and the fixing screws pass through the fixing through holes and are fixedly connected to the base layer.

8. The high-efficiency and energy-saving magnesium reduction furnace according to claim 1, characterized in that: The reduction cylinder is inside the furnace body, the magnesium steam round tube is in the middle of the reduction cylinder, the diameter of the reduction cylinder is between 800mm and 2000mm, and the lower end of the magnesium steam round tube is placed on the slope of the lower end of the reduction cylinder.

9. The high-efficiency and energy-saving magnesium reduction furnace according to claim 1, characterized in that: The top of the reduction cylinder is sealed by a sealing cover, and the top of the sealing cover is fixedly connected to a feed pipe, and the feed pipe is connected to the inner cavity of the reduction cylinder through a middle hole of the sealing cover.

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