CN217442285U - Pseudo-metallic silicon production submerged arc furnace - Google Patents
Pseudo-metallic silicon production submerged arc furnace Download PDFInfo
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- CN217442285U CN217442285U CN202221393784.5U CN202221393784U CN217442285U CN 217442285 U CN217442285 U CN 217442285U CN 202221393784 U CN202221393784 U CN 202221393784U CN 217442285 U CN217442285 U CN 217442285U
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Abstract
The utility model relates to the technical field of submerged arc furnaces, in particular to a quasi-metallic silicon submerged arc furnace, which smelts metal through a submerged arc furnace body, then a connecting pipe discharges tail gas in the submerged arc furnace body into a filtering device, particulate matters and partial harmful substances in the tail gas are filtered, then heat in the tail gas is recycled for the first time through a first heat recycling device, the tail gas is discharged into a lateral wall, the influence of high temperature in the submerged arc furnace body on the lateral wall is reduced, then the tail gas in the lateral wall enters a second heat recycling device, heat in the tail gas is recycled for the second time, and then the tail gas is discharged, thereby prolonging the service life of the submerged arc furnace body and improving the recycling efficiency of the heat of the tail gas; the submerged arc furnace comprises a base, a submerged arc furnace, a filtering device, a first heat recovery device and a second heat recovery device, wherein the submerged arc furnace, the first heat recovery device and the second heat recovery device are all installed on the top end of the base.
Description
Technical Field
The utility model relates to a technical field of the hot stove in ore deposit especially relates to a hot stove in quasi-metallic silicon production ore deposit.
Background
The submerged arc furnace is also called electric arc furnace or resistance furnace. It is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent and solvent. The existing submerged arc furnace has a simpler structure, the outer side wall is baked at high temperature for a long time, the service life of the outer side wall is shortened, and the heat recovery efficiency of tail gas is lower, so that the existing equipment needs to be improved.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a smelt metal through hot stove body in ore deposit, later the connecting pipe is arranged into to filter equipment with this internal tail gas of hot stove in ore deposit, particulate matter and partial harmful substance in the tail gas filter, later carry out first recovery through the heat in first heat reclamation device to the tail gas, arrange into the lateral wall with tail gas again, reduce the influence of the external lateral wall of this internal high temperature of hot stove in ore deposit, later tail gas in the lateral wall gets into to the second heat reclamation device in, carry out second heat reclamation to the heat in the tail gas, discharge tail gas again, thereby improve the life of hot stove body in ore deposit and to a hot stove of accurate silicon metal production ore deposit of the thermal recovery efficiency of tail gas.
The utility model discloses a quasi-metallic silicon production submerged arc furnace, including base, submerged arc furnace, filter equipment, first heat recovery unit and second heat recovery unit, submerged arc furnace, first heat recovery unit and second heat recovery unit are all installed in the top of base, and filter equipment installs on first heat recovery unit and second heat recovery unit, the submerged arc furnace smelts the metal, and filter equipment filters waste gas, and first heat recovery unit carries out first heat recovery to tail gas, and second heat recovery unit carries out second heat recovery to tail gas;
the submerged arc furnace comprises a submerged arc furnace body, an outer side wall and a connecting pipe, the bottom ends of the submerged arc furnace body and the outer side wall are connected with the top end of the base, the outer side wall covers the submerged arc furnace body, the bottom end of the connecting pipe is communicated with the interior of the submerged arc furnace body, and the top end of the connecting pipe is communicated with the interior of the filtering device;
smelt the metal through hot stove body in the ore deposit, later the connecting pipe is discharged into filter equipment with this internal tail gas of hot stove in the ore deposit, particulate matter and partial harmful substance in the tail gas filter, later carry out first recovery through the heat in first heat reclamation device to the tail gas, discharge tail gas to the lateral wall in again, reduce this internal high temperature of hot stove in the ore deposit influence to the lateral wall, later tail gas in the lateral wall gets into to the hot recovery unit of second in, carry out second heat reclamation to the heat in the tail gas, discharge tail gas again, thereby improve the life of hot stove body in the ore deposit and to the thermal recovery efficiency of tail gas.
Preferably, the filtering device comprises a filtering box, a plurality of groups of filtering screens, a plurality of groups of activated carbon adsorption plates and a first exhaust pipe, the left end and the right end of the filtering box are respectively installed at the side ends of the first heat recovery device and the second heat recovery device, the top end of the connecting pipe and one end of the first exhaust pipe are communicated with the inside of the filtering box, the other end of the first exhaust pipe is communicated with the inside of the first heat recovery device, and the plurality of groups of filtering screens and the plurality of groups of activated carbon adsorption plates are all installed inside the filtering box; the connecting pipe is discharged tail gas to the filter box in, filters the particulate matter in the tail gas through the multiunit filter screen, adsorbs partial harmful substance in to the tail gas through multiunit active carbon adsorption plate, and the first exhaust pipe of rethread is discharged tail gas to first heat reclamation device to improve equipment's practicality.
Preferably, the first heat recovery device comprises a first heat recovery tank, a water storage tank, a first water discharge pump, a water suction pipe, a first water spray pipe, a plurality of groups of first nozzles, a first air injection pipe and a second air discharge pipe, wherein the bottom ends of the first heat recovery tank and the water storage tank are connected with the top end of the base, the bottom end of the first water discharge pump is connected with the top end of the water storage tank, a discharge valve is arranged at the bottom of the front end of the first heat recovery tank, a breather valve is arranged at the top end of the water storage tank, a first water suction port is arranged at the bottom end of the first water discharge pump, a first water discharge port is arranged at the side end of the first water discharge pump, the top end of the water suction pipe is connected with the first water suction port of the first water discharge pump, the bottom end of the water suction pipe extends to the bottom inside the water storage tank, the right end of the first water spray pipe is connected with the first water discharge port of the first water discharge pump, the left end of the first water spray pipe extends into the first heat recovery tank, the top ends of the plurality of groups of the first nozzles are connected with the bottom end of the first water spray pipe, the bottom end of the first gas injection pipe is connected with the bottom end in the first heat recovery box, one end of the first exhaust pipe is communicated with the interior of the first gas injection pipe, one end of the second exhaust pipe is communicated with the interior of the first heat recovery box, and the other end of the second exhaust pipe is communicated with the interior of the outer side wall; the second heat recovery device discharges the medium temperature water into the water storage tank, open first exhaust pump, discharge the medium temperature water in the water storage tank into first spray pipe, make the first shower nozzle of multiunit spout the medium temperature water, in the first heat recovery tank, first exhaust pipe discharges tail gas into to the first heat recovery tank simultaneously, make the leading-in to medium temperature aquatic of heat in the tail gas, form high temperature water, the discharge valve of rethread first heat recovery tank front end discharges the high temperature water in the first heat recovery tank, supply the interior boiler of factory to use, later discharge tail gas into to the lateral wall through the second blast pipe, thereby improve equipment's practicality.
Preferably, the second heat recovery device comprises a second heat recovery tank, an electromagnetic valve, a second water spray pipe, a plurality of groups of second spray heads, a second air spray pipe, a third exhaust pipe, a second water discharge pump and a water delivery pipe, wherein the bottom end of the second heat recovery tank is connected with the top end of the base, the top end of the second heat recovery tank is provided with a waste discharge port, the right end of the electromagnetic valve is connected with the left end of the second heat recovery tank, the left end of the second water spray pipe is connected with the right end of the electromagnetic valve, the right end of the second water spray pipe extends into the second heat recovery tank, the top ends of the plurality of groups of second spray heads are connected with the bottom end of the second water spray pipe, the bottom end of the second air spray pipe is connected with the bottom end in the second heat recovery tank, the right end of the third exhaust pipe is communicated with the inside of the outer side wall, the left end of the third exhaust pipe is communicated with the inside of the second air spray pipe, the right end of the second water discharge pump is connected with the left end of the second heat recovery tank, a second water suction port is formed in the right end of the second drainage pump, a second water outlet is formed in the top end of the second drainage pump, the second water suction port of the second drainage pump is communicated with the inside of the second heat recovery box, the second water outlet of the second drainage pump is connected with one end of a water conveying pipe, and the other end of the water conveying pipe is communicated with the inside of the water storage tank; be linked together the left end and the water source of solenoid valve, tail gas through the third blast pipe in with the lateral wall is discharged to the second jet-propelled pipe, the rethread second jet-propelled pipe is discharged tail gas to the second heat recovery case in, open the solenoid valve simultaneously, discharge water to the second spray pipe in, discharge water to the second heat recovery case in through multiunit second shower nozzle, make the leading-in to aquatic of heat in the tail gas, form the well warm water, open the second drain pump again, discharge the well warm water in the second heat recovery case to the water storage tank in, discharge tail gas through the waste discharge mouth on second heat recovery case top simultaneously, thereby improve equipment's practicality.
Preferably, the heat recovery system further comprises two groups of baffle plates, wherein the two groups of baffle plates are fixedly arranged in the first heat recovery box and the second heat recovery box respectively; the tail gas rising in the first heat recovery box and the second heat recovery box is dehumidified through the two groups of baffle plates, so that the dryness of the tail gas is improved.
Preferably, the gas injection device also comprises two groups of conical baffles, wherein the bottom ends of the two groups of conical baffles are fixedly arranged at the top ends of the first gas injection pipe and the second gas injection pipe respectively; the water sprayed by the first spray heads and the second spray heads of the multiple groups is respectively shielded by the two groups of conical baffles, so that the water entering the first air injection pipe and the second air injection pipe is reduced, and the practicability of the equipment is improved.
Preferably, a liquid level meter is arranged on the side wall in the second heat recovery tank, and the liquid level meter in the second heat recovery tank is lower than the top end of the second gas injection pipe; after the liquid level in the second heat recovery tank submerges the liquid level, the electromagnetic valve is automatically closed, and therefore the practicability of the device is improved.
Compared with the prior art, the beneficial effects of the utility model are that: smelt the metal through hot stove body in ore deposit, later the connecting pipe is discharged into filter equipment with this internal tail gas in the hot stove in ore deposit, particulate matter and partial harmful substance in the tail gas filter, later carry out first recovery through the heat in first heat reclamation device to tail gas, discharge tail gas to the lateral wall in again, reduce the influence of this internal high temperature of hot stove in ore deposit to the lateral wall, later tail gas in the lateral wall gets into to the second heat reclamation device in, carry out second heat reclamation to the heat in the tail gas, discharge tail gas again, thereby improve the life of hot stove body in ore deposit and to the thermal recovery efficiency of tail gas.
Drawings
Fig. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the part A of FIG. 1;
FIG. 3 is a schematic view of the shaft-measuring and enlarging structure of the cone-shaped baffle of the present invention;
in the drawings, the reference numbers: 1. a base; 2. a submerged arc furnace body; 3. an outer sidewall; 4. a connecting pipe; 5. a filter box; 6. filtering with a screen; 7. an activated carbon adsorption plate; 8. a first exhaust pipe; 9. a first heat recovery tank; 10. a water storage tank; 11. a first drainage pump; 12. a suction pipe; 13. a first water spray pipe; 14. a first nozzle; 15. a first gas lance; 16. a second exhaust pipe; 17. a second heat recovery tank; 18. an electromagnetic valve; 19. a second water spray pipe; 20. a second nozzle; 21. a second gas lance; 22. a third exhaust pipe; 23. a second drain pump; 24. a water delivery pipe; 25. a baffle plate; 26. a conical baffle.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The submerged arc furnace, the first heat recovery device and the second heat recovery device are all arranged at the top end of the base 1, the filtering devices are arranged on the first heat recovery device and the second heat recovery device, the submerged arc furnace is used for smelting metal, the filtering devices are used for filtering waste gas, the first heat recovery device is used for carrying out first heat recovery on tail gas, and the second heat recovery device is used for carrying out second heat recovery on the tail gas;
the submerged arc furnace comprises a submerged arc furnace body 2, an outer side wall 3 and a connecting pipe 4, the bottom ends of the submerged arc furnace body 2 and the outer side wall 3 are connected with the top end of the base 1, the outer side wall 3 covers the submerged arc furnace body 2, the bottom end of the connecting pipe 4 is communicated with the interior of the submerged arc furnace body 2, and the top end of the connecting pipe 4 is communicated with the interior of the filtering device;
the filtering device comprises a filtering box 5, a plurality of groups of filtering screens 6, a plurality of groups of activated carbon adsorption plates 7 and a first exhaust pipe 8, the left end and the right end of the filtering box 5 are respectively arranged at the side ends of the first heat recovery device and the second heat recovery device, the top end of the connecting pipe 4 and one end of the first exhaust pipe 8 are communicated with the inside of the filtering box 5, the other end of the first exhaust pipe 8 is communicated with the inside of the first heat recovery device, and the plurality of groups of filtering screens 6 and the plurality of groups of activated carbon adsorption plates 7 are arranged in the filtering box 5;
smelt the metal through hot stove body 2 in the ore deposit, later connecting pipe 4 is arranged tail gas into in rose box 5, particulate matter in to tail gas through multiunit filter screen 6 filters, adsorb through the partial harmful substance of multiunit active carbon adsorption board 7 in to tail gas, rethread first exhaust pipe 8 is arranged tail gas into to first heat reclamation device, later carry out first recovery through first heat reclamation device to the heat in the tail gas, arrange tail gas into to lateral wall 3 again, reduce the influence of the high temperature in the hot stove body 2 in the ore deposit to lateral wall 3, later the tail gas in the lateral wall 3 gets into in the second heat reclamation device, carry out second heat reclamation to the heat in the tail gas, again with tail gas discharge, thereby improve the life of hot stove body 2 in the ore deposit and to the thermal recovery efficiency of tail gas.
Example 2
The submerged arc furnace, the first heat recovery device and the second heat recovery device are all arranged at the top end of the base 1, the filtering devices are arranged on the first heat recovery device and the second heat recovery device, the submerged arc furnace is used for smelting metal, the filtering devices are used for filtering waste gas, the first heat recovery device is used for carrying out first heat recovery on tail gas, and the second heat recovery device is used for carrying out second heat recovery on the tail gas;
the submerged arc furnace comprises a submerged arc furnace body 2, an outer side wall 3 and a connecting pipe 4, the bottom ends of the submerged arc furnace body 2 and the outer side wall 3 are connected with the top end of the base 1, the outer side wall 3 covers the submerged arc furnace body 2, the bottom end of the connecting pipe 4 is communicated with the interior of the submerged arc furnace body 2, and the top end of the connecting pipe 4 is communicated with the interior of the filtering device;
the first heat recovery device comprises a first heat recovery tank 9, a water storage tank 10, a first water discharge pump 11, a water suction pipe 12, a first water spray pipe 13, a plurality of groups of first nozzles 14, a first air injection pipe 15 and a second air discharge pipe 16, wherein the bottom ends of the first heat recovery tank 9 and the water storage tank 10 are connected with the top end of the base 1, the bottom end of the first water discharge pump 11 is connected with the top end of the water storage tank 10, a discharge valve is arranged at the bottom of the front end of the first heat recovery tank 9, a breather valve is arranged at the top end of the water storage tank 10, a first water suction port is arranged at the bottom end of the first water discharge pump 11, a first water discharge port is arranged at the side end of the first water discharge pump 11, the top end of the water suction pipe 12 is connected with the first water suction port of the first water discharge pump 11, the bottom end of the water suction pipe 12 extends to the bottom inside of the water storage tank 10, the right end of the first water spray pipe 13 is connected with the first water discharge port of the first water discharge pump 11, the left end of the first water spray pipe 13 extends to the inside of the first heat recovery tank 9, the top ends of the multiple groups of first nozzles 14 are connected with the bottom end of the first water spraying pipe 13, the bottom end of the first air spraying pipe 15 is connected with the bottom end in the first heat recovery box 9, one end of the first exhaust pipe 8 is communicated with the inside of the first air spraying pipe 15, one end of the second exhaust pipe 16 is communicated with the inside of the first heat recovery box 9, and the other end of the second exhaust pipe 16 is communicated with the inside of the outer side wall 3;
the second heat recovery device comprises a second heat recovery tank 17, an electromagnetic valve 18, a second water spray pipe 19, a plurality of groups of second spray heads 20, a second air spray pipe 21, a third exhaust pipe 22, a second drainage pump 23 and a water delivery pipe 24, wherein the bottom end of the second heat recovery tank 17 is connected with the top end of the base 1, the top end of the second heat recovery tank 17 is provided with a waste discharge port, the right end of the electromagnetic valve 18 is connected with the left end of the second heat recovery tank 17, the left end of the second water spray pipe 19 is connected with the right end of the electromagnetic valve 18, the right end of the second water spray pipe 19 extends into the second heat recovery tank 17, the top ends of the plurality of groups of second spray heads 20 are connected with the bottom end of the second water spray pipe 19, the bottom end of the second air spray pipe 21 is connected with the bottom end in the second heat recovery tank 17, the right end of the third exhaust pipe 22 is communicated with the inside of the outer side wall 3, and the left end of the third exhaust pipe 22 is communicated with the inside of the second air spray pipe 21, the right end of the second drainage pump 23 is connected with the left end of the second heat recovery tank 17, the right end of the second drainage pump 23 is provided with a second water suction port, the top end of the second drainage pump 23 is provided with a second water discharge port, the second water suction port of the second drainage pump 23 is communicated with the inside of the second heat recovery tank 17, the second water discharge port of the second drainage pump 23 is connected with one end of a water delivery pipe 24, and the other end of the water delivery pipe 24 is communicated with the inside of the water storage tank 10;
smelting metal through a submerged arc furnace body 2, discharging tail gas in the submerged arc furnace body 2 into a filtering device through a connecting pipe 4, filtering particles and partial harmful substances in the tail gas, then opening a first water discharge pump 11, discharging medium-temperature water in a water storage tank 10 into a first water spray pipe 13, spraying medium-temperature water out through a plurality of groups of first spray heads 14, discharging the medium-temperature water into a first heat recovery tank 9, discharging the tail gas into the first heat recovery tank 9 through a first exhaust pipe 8, leading heat in the tail gas into the medium-temperature water to form high-temperature water, discharging the high-temperature water in the first heat recovery tank 9 through a discharge valve at the front end of the first heat recovery tank 9 for a boiler in a factory, then discharging the tail gas into an outer side wall 3 through a second exhaust pipe 16, reducing the influence of the high temperature in the submerged arc furnace body 2 on the outer side wall 3, and then communicating the left end of an electromagnetic valve 18 with a water source, the tail gas in the outer side wall 3 is discharged into the second air injection pipe 21 through the third exhaust pipe 22, the tail gas is discharged into the second heat recovery box 17 through the second air injection pipe 21, the electromagnetic valve 18 is opened simultaneously, the water is discharged into the second water spray pipe 19, the water is discharged into the second heat recovery box 17 through the multiple groups of second spray heads 20, the heat in the tail gas is led into the water, the medium-temperature water is formed, the second drainage pump 23 is opened again, the medium-temperature water in the second heat recovery box 17 is discharged into the water storage tank 10, the tail gas is discharged through a waste discharge port at the top end of the second heat recovery box 17, and therefore the service life of the submerged arc furnace body 2 is prolonged, and the recovery efficiency of the heat of the tail gas is improved.
As shown in figures 1 to 3, the utility model relates to a pseudo-metallic silicon production submerged arc furnace, when in operation, firstly, metal is smelted through a submerged arc furnace body 2, then tail gas is discharged into a filter box 5 through a connecting pipe 4, particulate matters in the tail gas are filtered through a plurality of groups of filter screens 6, partial harmful substances in the tail gas are adsorbed through a plurality of groups of activated carbon adsorption plates 7, then the tail gas is discharged into a first heat recovery box 9 through a first exhaust pipe 8, then a first exhaust pump 11 is opened, medium temperature water in a water storage tank 10 is discharged into a first water spray pipe 13, a plurality of groups of first spray nozzles 14 spray the medium temperature water, the first heat recovery box 9 simultaneously discharges the tail gas into the first heat recovery box 9 through the first exhaust pipe 8, heat in the tail gas is guided into the medium temperature water to form high temperature water, then high temperature water in the first heat recovery box 9 is discharged through a discharge valve at the front end of the first heat recovery box 9, the tail gas is discharged into the outer side wall 3 through the second exhaust pipe 16 for use by an in-plant boiler, the influence of high temperature in the submerged arc furnace body 2 on the outer side wall 3 is reduced, then the left end of the electromagnetic valve 18 is communicated with a water source, the tail gas in the outer side wall 3 is discharged into the second air injection pipe 21 through the third exhaust pipe 22, the tail gas is discharged into the second heat recovery tank 17 through the second air injection pipe 21, the electromagnetic valve 18 is opened at the same time, water is discharged into the second water spray pipe 19, water is discharged into the second heat recovery tank 17 through the plurality of groups of second nozzles 20, heat in the tail gas is led into the water to form medium temperature water, the second drain pump 23 is opened to discharge the medium temperature water in the second heat recovery tank 17 into the water storage tank 10, water sprayed out by the plurality of groups of first nozzles 14 and the plurality of groups of second nozzles 20 is shielded through the two groups of conical baffles 26 respectively, and water entering into the first air injection pipe 15 and the second air injection pipe 21 is reduced, the tail gas rising in the first heat recovery tank 9 and the second heat recovery tank 17 is dehumidified by the two groups of baffle plates 25, and the tail gas after heat recovery is discharged through a waste discharge port at the top end of the second heat recovery tank 17.
The utility model discloses the main function who realizes does: heat in to tail gas is retrieved in grades through the mode that sprays to reduce the influence of the interior high temperature of hot stove body 2 in ore deposit to outside wall 3 through tail gas, filter tail gas through filter equipment simultaneously, when retrieving through the heat, spray tail gas, reduce harmful substance and particulate matter in the tail gas.
The utility model discloses a quasi-metallic silicon production submerged arc furnace, the installation mode, the connection mode or the setting mode of which are common mechanical modes, and the installation mode, the connection mode or the setting mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a hot stove body 2 in ore deposit, first drain pump 11 and second drain pump 23 of hot stove in quasi-metal silicon production ore deposit are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in the field and pay out creative work.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The submerged arc furnace for producing the quasi-metallic silicon is characterized by comprising a base (1), the submerged arc furnace, a filtering device, a first heat recovery device and a second heat recovery device, wherein the submerged arc furnace, the first heat recovery device and the second heat recovery device are all installed at the top end of the base (1), the filtering device is installed on the first heat recovery device and the second heat recovery device, the submerged arc furnace is used for smelting metal, the filtering device is used for filtering waste gas, the first heat recovery device is used for carrying out first heat recovery on tail gas, and the second heat recovery device is used for carrying out second heat recovery on the tail gas;
the hot stove in ore deposit includes hot stove body in ore deposit (2), lateral wall (3) and connecting pipe (4), and the bottom of hot stove body in ore deposit (2) and lateral wall (3) all is connected with the top of base (1) to lateral wall (3) carry out the cage to hot stove body in ore deposit (2), and the bottom of connecting pipe (4) communicates with each other with the inside of hot stove body in ore deposit (2), and the top of connecting pipe (4) communicates with each other with filter equipment's inside.
2. The submerged arc furnace for producing the silicon metal according to claim 1, wherein the filtering device comprises a filtering box (5), a plurality of sets of filtering screens (6), a plurality of sets of activated carbon adsorption plates (7) and a first exhaust pipe (8), the left end and the right end of the filtering box (5) are respectively installed at the side ends of the first heat recovery device and the second heat recovery device, the top end of the connecting pipe (4) and one end of the first exhaust pipe (8) are both communicated with the inside of the filtering box (5), the other end of the first exhaust pipe (8) is communicated with the inside of the first heat recovery device, and the plurality of sets of filtering screens (6) and the plurality of sets of activated carbon adsorption plates (7) are both installed inside the filtering box (5).
3. The submerged arc furnace for producing the silicon metal according to claim 2, characterized in that the first heat recovery device comprises a first heat recovery tank (9), a water storage tank (10), a first water discharge pump (11), a water suction pipe (12), a first water spray pipe (13), a plurality of groups of first nozzles (14), a first air spray pipe (15) and a second air discharge pipe (16), the bottom ends of the first heat recovery tank (9) and the water storage tank (10) are both connected with the top end of the base (1), the bottom end of the first water discharge pump (11) is connected with the top end of the water storage tank (10), the bottom end of the front end of the first heat recovery tank (9) is provided with a discharge valve, the top end of the water storage tank (10) is provided with a breather valve, the bottom end of the first water discharge pump (11) is provided with a first water suction port, the side end of the first water discharge pump (11) is provided with a first water discharge port, the top end of the water suction pipe (12) is connected with the first water suction port of the first water discharge pump (11), the bottom of the water suction pipe (12) extends to the bottom of the water storage tank (10), the right end of the first water spray pipe (13) is connected with the first water discharge port of the first water discharge pump (11), the left end of the first water spray pipe (13) extends into the first heat recovery tank (9), the top ends of the groups of first spray heads (14) are connected with the bottom end of the first water spray pipe (13), the bottom end of the first air jet pipe (15) is connected with the bottom end of the first heat recovery tank (9), one end of the first air exhaust pipe (8) is communicated with the inside of the first air jet pipe (15), one end of the second air exhaust pipe (16) is communicated with the inside of the first heat recovery tank (9), and the other end of the second air exhaust pipe (16) is communicated with the inside of the outer side wall (3).
4. The submerged arc furnace for producing the silicon metal according to claim 3, characterized in that the second heat recovery device comprises a second heat recovery tank (17), an electromagnetic valve (18), a second water spray pipe (19), a plurality of groups of second nozzles (20), a second gas spray pipe (21), a third gas exhaust pipe (22), a second water discharge pump (23) and a water delivery pipe (24), the bottom end of the second heat recovery tank (17) is connected with the top end of the base (1), the top end of the second heat recovery tank (17) is provided with a waste discharge port, the right end of the electromagnetic valve (18) is connected with the left end of the second heat recovery tank (17), the left end of the second water spray pipe (19) is connected with the right end of the electromagnetic valve (18), the right end of the second water spray pipe (19) extends into the second heat recovery tank (17), the top ends of the plurality of groups of second nozzles (20) are connected with the bottom end of the second water spray pipe (19), the bottom end of the second air injection pipe (21) is connected with the bottom end in the second heat recovery box (17), the right end of the third exhaust pipe (22) is communicated with the inside of the outer side wall (3), the left end of the third exhaust pipe (22) is communicated with the inside of the second air injection pipe (21), the right end of the second drainage pump (23) is connected with the left end of the second heat recovery box (17), the right end of the second drainage pump (23) is provided with a second water suction port, the top end of the second drainage pump (23) is provided with a second drainage port, the second water suction port of the second drainage pump (23) is communicated with the inside of the second heat recovery box (17), the second drainage port of the second drainage pump (23) is connected with one end of the water delivery pipe (24), and the other end of the water delivery pipe (24) is communicated with the inside of the water storage tank (10).
5. A furnace in the production of metallurgical silicon according to claim 3 or 4, characterized by comprising two sets of baffles (25), the baffles (25) being fixedly mounted inside the first heat recovery tank (9) and the second heat recovery tank (17), respectively.
6. A furnace in the production of metallurgical silicon according to claim 3 or 4, characterized by comprising two sets of conical baffles (26), the bottom ends of the two sets of conical baffles (26) being fixedly mounted to the top ends of the first gas injection pipe (15) and the second gas injection pipe (21), respectively.
7. A furnace in the production of metallurgical silicon according to claim 4, characterized in that the side walls of the second heat recovery tank (17) are provided with level gauges and that the level gauges in the second heat recovery tank (17) are below the top of the second gas lances (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221393784.5U CN217442285U (en) | 2022-06-06 | 2022-06-06 | Pseudo-metallic silicon production submerged arc furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221393784.5U CN217442285U (en) | 2022-06-06 | 2022-06-06 | Pseudo-metallic silicon production submerged arc furnace |
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| CN217442285U true CN217442285U (en) | 2022-09-16 |
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| CN202221393784.5U Active CN217442285U (en) | 2022-06-06 | 2022-06-06 | Pseudo-metallic silicon production submerged arc furnace |
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| CN (1) | CN217442285U (en) |
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2022
- 2022-06-06 CN CN202221393784.5U patent/CN217442285U/en active Active
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