CN213841800U - Melting system of molten pool furnace - Google Patents
Melting system of molten pool furnace Download PDFInfo
- Publication number
- CN213841800U CN213841800U CN202022337991.6U CN202022337991U CN213841800U CN 213841800 U CN213841800 U CN 213841800U CN 202022337991 U CN202022337991 U CN 202022337991U CN 213841800 U CN213841800 U CN 213841800U
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- Prior art keywords
- dust
- smoke
- heat exchange
- bath furnace
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000002844 melting Methods 0.000 title claims abstract description 13
- 230000008018 melting Effects 0.000 title claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 108
- 238000003723 Smelting Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims abstract description 14
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 10
- 230000023556 desulfurization Effects 0.000 claims abstract description 10
- 239000000779 smoke Substances 0.000 claims description 65
- 238000004140 cleaning Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 32
- 239000003546 flue gas Substances 0.000 abstract description 32
- 241000208125 Nicotiana Species 0.000 abstract description 19
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 19
- 239000007788 liquid Substances 0.000 abstract description 15
- 239000002918 waste heat Substances 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003818 cinder Substances 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 18
- 239000002994 raw material Substances 0.000 description 16
- 239000000446 fuel Substances 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- DPTATFGPDCLUTF-UHFFFAOYSA-N phosphanylidyneiron Chemical compound [Fe]#P DPTATFGPDCLUTF-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses a melting bath furnace system of smelting aims at solving the flue gas waste heat utilization rate that current melting bath furnace discharged and is low, and the more dust of impurity is got rid of in the flue gas, causes the not enough of great pollution to the environment. The utility model discloses an including the molten bath furnace, collect dirt bucket, the stoving board, the room that gathers dust, the desulfurization pond, be equipped with out the tobacco pipe on the molten bath furnace, the blast pipe, the slag notch, the metal liquid export, it connects to receive the dirt bucket to go out the tobacco pipe, stoving board below installation heat transfer tobacco pipe, heat transfer tobacco pipe one end communicates to collect dirt bucket, the other end communicates the room that gathers dust, room and desulfurization pond intercommunication of gathering dust, the slag notch position is laid and is received the cinder notch pond, the carrier liquid stove is laid to the metal liquid exit position, install the dust removal sack in the room of gathering dust, the intercommunication tobacco pipe that gathers dust between heat transfer tobacco pipe and the dust removal sack. The utilization rate of the waste heat of the flue gas discharged by the smelting furnace is high, and the flue gas discharged to the atmosphere is not mixed with dust, so that the pollution of the dust to the environment is avoided.
Description
Technical Field
The utility model relates to a smelting technology, more specifically say, it relates to a molten bath furnace system of smelting.
Background
Smelting, namely a pyrometallurgical process in which metal materials and other auxiliary materials are put into a heating furnace to be melted and tempered, and the materials of furnace materials in the high-temperature furnace are subjected to certain physical and chemical changes to produce crude metal or metal concentrates and furnace slag. Fuel is added into the furnace of the molten pool for combustion, and air or oxygen-enriched air is fed into the furnace. The crude metal or metal concentrate is separated due to its low miscibility with molten slag and density differential into two layers. The flue gas discharged by the smelting furnace is not only doped with more impurities and dust, but also has high temperature, so that the flue gas can be discharged outwards after being treated, but the flue gas temperature of a plurality of existing smelting furnace grates in the atmosphere is high, the doped dust is more, waste of waste heat is caused, and the environment can be polluted.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the flue gas waste heat utilization rate that current molten bath furnace discharged is low, and miscellaneous more dust is got in the flue gas, causes the not enough of great pollution to the environment, provides a molten bath furnace system of smelting, and the flue gas waste heat utilization rate that the molten bath furnace discharged is high, and the flue gas of discharging in the atmosphere can not mix miscellaneous dust, avoids the dust to cause the pollution to the environment.
In order to solve the technical problem, the utility model discloses a following technical scheme: a melting bath furnace smelting system comprises a melting bath furnace, a dust collecting barrel, a drying plate, a dust collecting room and a desulfurization tank, wherein a smoke outlet pipe, an air supply pipe, a slag outlet and a molten metal outlet are arranged on the melting bath furnace; the blast pipe is tangentially connected to the molten pool furnace and is arranged obliquely downwards.
The flue gas that produces in the molten bath furnace working process is carried to the dust collecting barrel through a smoke outlet pipe, and heavier granule in the flue gas falls to the dust collecting barrel bottom, and the dust collecting barrel can filter out the heavier granule in the flue gas, and then the flue gas is carried to the heat transfer tobacco pipe, and the high temperature flue gas in the heat transfer tobacco pipe heats the stoving board, stacks smelting raw materials and fuel mixture on the stoving board and dries, and the smelting raw materials and fuel mixture after the stoving constantly add in the smelting furnace. The waste heat in the flue gas is fully utilized. Then the flue gas enters a dust collection cloth bag in the dust collection room to filter dust, and the temperature of the flue gas entering the dust collection cloth bag is not particularly high due to the heat exchange of the flue gas in the heat exchange smoke pipe, so that the damage to the dust collection cloth bag caused by overhigh temperature is avoided. Conveying the flue gas in the dust collection room to a desulfurization tank, desulfurizing and then discharging the flue gas outwards; the discharged flue gas does not pollute the environment and meets the national emission standard. The utilization rate of the waste heat of the flue gas discharged by the smelting furnace is high, and the flue gas discharged to the atmosphere is not mixed with dust, so that the pollution of the dust to the environment is avoided.
Preferably, the heat exchange smoke pipe is embedded underground, and the heat exchange water jacket is sleeved outside the heat exchange smoke pipe. Because the flue gas temperature in the heat exchange tobacco pipe is higher, consequently cool down the heat exchange tobacco pipe through the heat transfer water jacket to reduce the flue gas temperature. And the heat transfer tobacco pipe is pre-buried in the underground, avoids the heat transfer tobacco pipe of high temperature to expose and brings the potential safety hazard outward.
Preferably, the underground heat exchange air box is embedded below the drying plate, the heat exchange smoke tube is installed in the heat exchange air box, the heat exchange air box is connected with the fan, and the air supply pipes are communicated with the heat exchange air box. The fan blows air into the heat exchange air box, the heat exchange smoke tube heats the air, and the hot air is sent into the molten pool furnace through the blast pipe to support combustion, so that the waste heat is further utilized.
Preferably, the angle of inclination of the air supply duct to the horizontal plane is 45 degrees. The structure ensures that the airflow in the molten pool furnace flows uniformly and the combustion-supporting effect is good.
Preferably, a transition smoke pipe is communicated between the heat exchange smoke pipe and the dust collection barrel, the smoke outlet pipe and the transition smoke pipe are both connected to the upper end of the dust collection barrel, and the smoke outlet pipe extends downwards into the dust collection barrel. This arrangement facilitates the collection of larger particulate dust in the flue gas.
Preferably, a vertically-arranged separation net is arranged in the dust collection barrel, the separation net separates the dust collection barrel into two cavities, the smoke outlet pipe is communicated with one cavity, and the heat exchange smoke pipe is communicated with the other cavity. The separation net plays a certain role in filtering and dedusting.
Preferably, the feeding mechanism is arranged outside the molten pool furnace and comprises a conveying belt which is obliquely arranged, a feeding hole is formed in the outer wall of the upper portion of the molten pool furnace, the upper end of the conveying belt is arranged at the position of the feeding hole, a loading box is arranged at the lower end of the conveying belt, and a plurality of loading hoppers are arranged on the outer surface of the conveying belt at intervals. The feeding mechanism has the advantages of automatic feeding and convenient operation.
Preferably, at least two dust collecting cloth bags are installed in the dust collecting room, the upper end of each dust collecting cloth bag is connected with a smoke through pipe, the smoke through pipes are communicated with the dust collecting smoke pipes, smoke through valves are installed on the smoke through pipes, the lower end of each dust collecting cloth bag is connected with a fixing ring, dust cleaning holes are correspondingly formed in the bottom of the dust collecting room and the dust collecting cloth bags, the fixing rings are fixedly installed on the edges of dust cleaning holes in the bottom of the dust collecting room, and sealing plugs are detachably connected in the dust cleaning holes. When the dust removing cloth bag needs to be cleaned, the smoke valve on the smoke pipe at the upper end of the dust removing cloth bag is closed, then the sealing plug at the lower part of the smoke valve is opened, and then the dust in the dust removing cloth bag can be cleaned, and at the moment, other dust removing cloth bags can work normally. The structure arrangement not only facilitates the cleaning of the dust removal cloth bag, but also can realize the cleaning without stopping the machine.
Compared with the prior art, the beneficial effects of the utility model are that: (the utilization rate of the waste heat of the flue gas discharged by the smelting furnace is high, and the flue gas discharged into the atmosphere is not mixed with dust, so that the pollution of the dust to the environment is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a connection structure of a heat exchange smoke tube according to embodiment 1 of the present invention;
fig. 3 is a schematic view of a connection structure of a heat exchange smoke tube according to embodiment 2 of the present invention;
in the figure: 1. the device comprises a smelting tank furnace, 2, a dust collecting barrel, 3, a drying plate, 4, a dust collecting room, 5, a desulfurization tank, 6, a smoke outlet pipe, 7, an air supply pipe, 8, a slag outlet, 9, a molten metal outlet, 10, a slag collecting tank, 11, a liquid carrying furnace, 12, a dust removing cloth bag, 13, a dust collecting smoke pipe, 14, a heat exchange smoke pipe, 15, a conveying belt, 16, a feed inlet, 17, a charging box, 18, a loading hopper, 19, a transition smoke pipe, 20, a separation net, 21, a heat exchange water jacket, 22, a heat exchange air box, 23, a smoke passing pipe, 24, a smoke passing valve, 25, a fixing ring, 26, an ash cleaning hole, 27 and a sealing plug.
Detailed Description
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example 1: the utility model provides a molten bath furnace system of smelting (see attached figure 1, attached figure 2), including molten bath furnace 1, the bucket 2 that gathers dust, stoving board 3, the room 4 that gathers dust, desulfurization pond 5, be equipped with out the tobacco pipe 6 on the molten bath furnace, blast pipe 7, the slag notch 8, the metal liquid export 9, it connects to the bucket that gathers dust to go out the tobacco pipe, heat transfer tobacco pipe 14 is installed to stoving board below, heat transfer tobacco pipe one end communicates to the bucket that gathers dust, the other end communicates the room that gathers dust, room and desulfurization pond intercommunication gather dust, slag notch position is laid and is received the pond 10, carrier liquid stove 11 is laid to the metal liquid export position, installation dust removal sack 12 in the room that gathers dust, it gathers dust tobacco pipe 13 to communicate between heat transfer tobacco. The rear end of the desulfurization tank is connected with a chimney, and the treated flue gas is discharged outwards through the chimney.
The blast pipe is tangentially connected to the molten pool furnace and is arranged obliquely downwards. The inclination angle of the blast pipe and the horizontal plane is 45 degrees. A feeding mechanism is arranged outside the molten pool furnace, the feeding mechanism comprises a conveying belt 15 which is obliquely arranged, a feeding hole 16 is arranged on the outer wall of the upper part of the molten pool furnace, the upper end of the conveying belt is arranged at the position of the feeding hole, a charging box 17 is arranged at the lower end of the conveying belt, and a plurality of loading hoppers 18 are arranged on the outer surface of the conveying belt at intervals. The heat exchange smoke tube and the dust collection barrel are communicated with a transition smoke tube 19, the smoke outlet tube and the transition smoke tube are both connected to the upper end of the dust collection barrel, and the smoke outlet tube extends downwards into the dust collection barrel. A vertically-arranged separation net 20 is arranged in the dust collection barrel, the dust collection barrel is separated into two cavities by the separation net, the smoke outlet pipe is communicated with one cavity, and the heat exchange smoke pipe is communicated with the other cavity. At least two dust collecting cloth bags are installed in the dust collecting room, the upper end of each dust collecting cloth bag is connected with a smoke through pipe 23, the smoke through pipes are communicated with the dust collecting smoke through pipes, a smoke through valve 24 is installed on each smoke through pipe, the lower end of each dust collecting cloth bag is connected with a fixing ring 25, the bottom of the dust collecting room and the dust collecting cloth bags are correspondingly provided with dust cleaning holes 26, the fixing rings are fixedly installed on the edges of dust cleaning holes in the bottom of the dust collecting room, and the dust cleaning holes are detachably connected with sealing plugs 27.
The heat exchange smoke tube is pre-buried underground, and the heat exchange water jacket 21 is sleeved outside the heat exchange smoke tube. Cooling water is introduced into the heat exchange water jacket to cool the flue gas, the drying plate is placed on the ground, the smelting raw materials and the fuel are stacked on the drying plate to be dried, the dried smelting raw materials and the fuel are mixed in proportion and then are loaded into a charging box below a conveying belt, and the mixture is conveyed into a molten pool furnace through a loading hopper on the conveying belt. A plurality of cleaning windows are distributed on the heat exchange smoke pipe, cleaning pipelines are closely connected to the cleaning windows, and the cleaning pipelines penetrate through the heat exchange water jacket and are in sealed connection with the heat exchange water jacket.
A dust absorption fan is arranged around the molten pool furnace in the workshop, and air blown out from an air outlet of the dust absorption fan is directly sent into the air supply pipe to form a dust-free smelting workshop which is clean and tidy.
When the melting system of the molten pool furnace is used for melting, the method comprises the following steps: a. placing the smelting raw materials and the fuel on a drying plate for drying, and then loading the raw materials and the fuel into a molten pool furnace; b. igniting in the molten pool furnace, and supplying air to the molten pool furnace through an air supply pipe to assist combustion; c. the method comprises the following steps that smoke exhausted from a smelting tank furnace is conveyed into a dust collection barrel through a smoke outlet pipe, heavier particles in the smoke fall to the bottom of the dust collection barrel, then the smoke is conveyed into a heat exchange smoke pipe, high-temperature smoke in the heat exchange smoke pipe heats a drying plate, a smelting raw material and fuel mixture is stacked on the drying plate to be dried, the dried smelting raw material and fuel mixture is continuously added into the smelting furnace, then the smoke enters a dust collection cloth bag in a dust collection room to filter dust, and the smoke in the dust collection room is conveyed to a desulfurization tank to be desulfurized and then is discharged outwards; d. discharging slag in the molten pool furnace into a slag collecting pool from a slag outlet, and enabling molten metal in the molten pool furnace to flow into the liquid carrying furnace from a molten metal outlet; e. sampling the metal liquid in the liquid carrying furnace, detecting the content of each component, calculating the mass of each metal to be added according to the content of each detected component and the component content requirement of the alloy product to be prepared, adding the metal to be added into the liquid carrying furnace, and heating the liquid carrying furnace to completely melt and uniformly mix the metal in the liquid carrying furnace; f. and pouring the molten metal in the liquid-carrying furnace into a forming die for cooling and forming. In the step a, the smelting raw materials and the fuel are filled into the iron tank and the iron tank is compacted, and then the iron tank is filled into the molten bath furnace. The smelting raw materials and the fuel are filled into the iron tank, particularly the small-particle smelting raw materials and the small-particle fuel are filled into the iron tank and then are put into the molten pool furnace for smelting, so that the smelting raw materials can be smelted more fully, the yield is improved, and the particle smelting raw materials, particularly the powder smelting raw materials, are prevented from being discharged along with the smoke.
The raw materials and fuels for smelting can be selected according to the requirements, such as nickel-copper leftover materials and nickel-copper slag ash balls are adopted as the raw materials for smelting, and phosphorus iron or coke is adopted as the fuel. And e, adding ferrophosphorus into the liquid bearing furnace to heat the liquid bearing furnace.
Example 2: the utility model provides a molten bath furnace system of smelting (see attached 3), its structure is similar with embodiment 1, and the main difference lies in this embodiment, the pre-buried heat transfer bellows 22 in underground of stoving board below, and the heat transfer tobacco pipe is installed in the heat transfer bellows, and the fan is connected to the heat transfer bellows, and the blast pipe all communicates with the heat transfer bellows. The other structure is the same as embodiment 1.
The above-described embodiments are merely preferred and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A melting bath furnace smelting system is characterized by comprising a melting bath furnace, a dust collecting barrel, a drying plate, a dust collecting room and a desulfurization tank, wherein a smoke outlet pipe, an air supply pipe, a slag outlet and a molten metal outlet are arranged on the melting bath furnace; the blast pipe is tangentially connected to the molten pool furnace and is arranged obliquely downwards.
2. The molten bath furnace smelting system of claim 1, wherein the heat exchange smoke tube is pre-buried underground and the heat exchange water jacket is sheathed outside the heat exchange smoke tube.
3. The molten bath furnace smelting system of claim 1, wherein a heat exchange bellows is embedded underground below the drying plate, a heat exchange smoke tube is installed in the heat exchange bellows, the heat exchange bellows is connected with a fan, and the air supply tubes are all communicated with the heat exchange bellows.
4. A molten bath furnace smelting system according to claim 1, wherein the angle of inclination of the blast pipe to the horizontal is 45 degrees.
5. The molten bath furnace smelting system of claim 1, wherein a transition flue pipe is communicated between the heat exchange flue pipe and the dust collection barrel, the flue pipe and the transition flue pipe are both connected to the upper end of the dust collection barrel, and the flue pipe extends downwards into the dust collection barrel.
6. The molten bath furnace smelting system of claim 1, wherein a vertically arranged partition net is installed in the dust collection barrel, the partition net divides the dust collection barrel into two cavities, the smoke outlet pipe is communicated with one cavity, and the heat exchange smoke pipe is communicated with the other cavity.
7. The molten bath furnace smelting system according to any one of claims 1 to 6, wherein a feeding mechanism is disposed outside the molten bath furnace, the feeding mechanism comprises an obliquely disposed conveyor belt, a feed port is disposed on an outer wall of an upper portion of the molten bath furnace, an upper end of the conveyor belt is disposed at the feed port, a feed box is disposed at a lower end of the conveyor belt, and a plurality of loading hoppers are disposed at intervals on an outer surface of the conveyor belt.
8. The melting bath furnace smelting system according to any one of claims 1 to 6, wherein at least two dust collecting bags are installed in the dust collecting chamber, the upper ends of the dust collecting bags are connected with the smoke through pipes, the smoke through pipes are communicated with the dust collecting pipes, the smoke through pipes are provided with smoke through valves, the lower ends of the dust collecting bags are connected with the fixing rings, the bottom of the dust collecting chamber and the dust collecting bags are provided with dust cleaning holes correspondingly, the fixing rings are tightly installed at the edges of the dust cleaning holes at the bottom of the dust collecting chamber, and the dust cleaning holes are detachably connected with the sealing plugs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022337991.6U CN213841800U (en) | 2020-10-19 | 2020-10-19 | Melting system of molten pool furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022337991.6U CN213841800U (en) | 2020-10-19 | 2020-10-19 | Melting system of molten pool furnace |
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CN213841800U true CN213841800U (en) | 2021-07-30 |
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CN202022337991.6U Expired - Fee Related CN213841800U (en) | 2020-10-19 | 2020-10-19 | Melting system of molten pool furnace |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112484487A (en) * | 2020-10-19 | 2021-03-12 | 峡江县安盛镍业有限公司 | Melting system and method of molten pool furnace |
-
2020
- 2020-10-19 CN CN202022337991.6U patent/CN213841800U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112484487A (en) * | 2020-10-19 | 2021-03-12 | 峡江县安盛镍业有限公司 | Melting system and method of molten pool furnace |
CN112484487B (en) * | 2020-10-19 | 2022-07-22 | 峡江县安盛镍业有限公司 | Melting system and method of molten pool furnace |
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CF01 | Termination of patent right due to non-payment of annual fee |
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