CN210321156U - Smelting furnace capable of reducing impurity mixing - Google Patents
Smelting furnace capable of reducing impurity mixing Download PDFInfo
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- CN210321156U CN210321156U CN201921220526.5U CN201921220526U CN210321156U CN 210321156 U CN210321156 U CN 210321156U CN 201921220526 U CN201921220526 U CN 201921220526U CN 210321156 U CN210321156 U CN 210321156U
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Abstract
The utility model discloses a reduce smelting furnace that impurity sneaked into, include: the device comprises a furnace body, a feeding hole, a discharging hole, a rotating table, a base, a stabilizing support rod and a deoxidizing agent box, wherein the feeding hole is formed in the top of the furnace body, penetrates out of the furnace body, the discharging hole is formed in the bottom of the furnace body, the rotating table is arranged at the bottom of the furnace body, the base is arranged at the bottom of the rotating table, the stabilizing support rod is arranged on the rotating table, one end of the stabilizing support rod is hinged to the surface of the furnace body, and the deoxidizing agent; on one hand, the smelting material is deoxidized, the purity of the smelting material is improved, and the production quality is improved; on the other hand, the deflagration gas can be discharged in time, and the safety performance of the equipment is ensured.
Description
Technical Field
The utility model belongs to the field of heat treatment equipment, in particular to a smelting furnace for reducing impurity mixing.
Background
The smelting furnace is a substance purification device, along with the continuous progress of the industry in China, the smelting industry in China develops rapidly, more than 90% of yield increase is realized by China, the increase speed is the top of the world, and sufficient chemical materials are provided for China.
Although the production range of the smelting furnace in China is rapidly increased, the technical content of the smelting furnace is not rapidly and well developed, for example, the material of the furnace body can generate decomposition reaction at high temperature, oxygen is conveyed into a smelting room, the purity of a smelting object is reduced, or deflagration gas in the smelting furnace cannot be controlled, and the like. Therefore, the present application has made innovations and improvements to the smelting furnace with respect to the above problems.
The existing smelting furnace mainly has the following problems:
1. most of the existing smelting furnace bodies generate decomposition reaction, oxygen is conveyed into a smelting room, and the purity of smelted materials is reduced.
2. Most of the existing smelting furnaces explode in the smelting process, the pressure in the smelting furnaces suddenly increases, explosion gas cannot be controlled, and safety accidents are easy to happen.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the utility model aims to provide a smelting furnace for reducing the impurity mixing, on one hand, the smelting materials are deoxidized, the purity of the smelting materials is improved, and the production quality is improved; on the other hand, the deflagration gas can be discharged in time, and the safety performance of the equipment is ensured.
The technical scheme is as follows: in order to achieve the above object, the utility model provides a reduce smelting furnace that impurity sneaked into, include: furnace body, feed inlet, discharge gate, revolving stage, base, stable branch and deoxidant box, the furnace body top is provided with the feed inlet, the furnace body is worn out to the feed inlet, the furnace body bottom is provided with the discharge gate, the furnace body is worn out to the discharge gate, the furnace body bottom is provided with the revolving stage, the revolving stage bottom is provided with the base, be provided with stable branch on the revolving stage, stable branch one end articulates in the furnace body surface, be provided with the deoxidant box on the furnace body.
The utility model discloses in the setting of smelting furnace, it can be to the smelt deoxidization, improves the purity of smelt, improves production quality.
The utility model discloses in deoxidant box include storage box, electric control switch, solenoid valve, spray tube, shower nozzle and oxygen sensor, storage box sets up in the furnace body surface, be provided with the solenoid valve on the storage box, inside the storage box was connected to solenoid valve one end, the solenoid valve other end is connected with the spray tube, the spray tube penetrates the furnace body, spray tube one end is provided with the shower nozzle, the furnace body internal surface is provided with oxygen sensor, oxygen sensor is connected with electric control switch, electric control switch sets up on storage box, electric control switch is connected with the solenoid valve electricity, electric control switch is connected with the oxygen sensor electricity.
The utility model discloses in the setting of deoxidant box, it detects the inside oxygen content of equipment through oxygen sensor to control deoxidant box in good time to add the deoxidant, improved the purity of smelting the result on the one hand, on the other hand has also improved equipment automation, does not need manual operation, has avoided the potential safety hazard.
The utility model discloses in the oxygen sensor outside be provided with protecting sheathing, protecting sheathing adopts thermal insulation material, protecting sheathing parcel oxygen sensor, the last through-hole that is provided with of protecting sheathing, be provided with the micropore heat resistance board in the through-hole, micropore diameter is lighter than the board thickness on the micropore heat resistance board.
The utility model discloses in protective housing's setting can avoid the sensor overheated, influences sensor sensitivity.
The utility model discloses in the furnace body surface be provided with cooling body, cooling body includes cooling tube, water tank and cooler, the cooling tube is "S" shape cladding in the furnace body surface, the cooling tube both ends are connected with the water tank, be provided with the cooler on the cooling tube.
The utility model discloses in the cooler include shunt tubes, fin, heat dissipation strip and collecting tube, the shunt tubes sets up in the one end that the furnace body was kept away from to the cooler, the one end that the shunt tubes is close to the furnace body is provided with the fin, the fin is provided with a plurality ofly, fin parcel shunt tubes, be provided with the heat dissipation strip between the fin, the one end that the shunt tubes is close to the furnace body is provided with the collecting tube, the collecting tube corresponds with the shunt tubes.
The utility model discloses in the setting of cooler cools off the cooling tube through the principle of heat transfer, has guaranteed the cooling effect of cooling tube, and its split runner has simultaneously enlarged fluidic circulation scope, has improved the cooling effect.
The utility model discloses in the cooler still include water-cooling tank, water cooler, raceway and water-cooled tube, the shunt tubes both sides are provided with the water-cooling tank, the inside water cooler that is provided with of water-cooling tank, one side that the water-cooling tank is close to the shunt tubes is provided with the raceway, the raceway forms the return circuit, be provided with the water-cooled tube on the raceway, the water-cooled tube is provided with a plurality ofly, water-cooled tube parcel shunt tubes.
The utility model discloses in the setting of cooler, it has increased the cooling method for the cooling method of equipment obtains the extension, has shared the pressure of cooler, has reduced the temperature of cooling tube, has improved the cooling capacity of equipment.
The utility model discloses in the raceway on be provided with the raceway shower nozzle, the raceway shower nozzle sets up between the water-cooled tube.
The utility model discloses in the setting of raceway shower nozzle, it has improved the area of contact and the contact time of cooling water with the water pipe, has improved the cooling capacity of equipment, avoids equipment overheated, has improved the life of equipment.
The utility model discloses in the furnace body on be provided with blast resistant construction, blast resistant construction includes explosion-proof mouth, explosion-proof lid, reset spring and sealing washer, be provided with explosion-proof mouth on the furnace body, explosion-proof mouth passes the furnace body, explosion-proof mouth is the tubulose, explosion-proof mouth one end is provided with explosion-proof lid, explosion-proof lid covers explosion-proof mouth one end port, the explosion-proof lid edge is provided with reset spring, the reset spring other end sets up on explosion-proof mouth, the explosion-proof lid inboard is provided with the sealing washer, sealing washer contact explosion-proof mouth.
The utility model discloses in explosion-proof structure's setting can in time discharge deflagration gas, has guaranteed the security performance of equipment.
The utility model discloses in the explosion-proof mouthful outside be provided with first permanent magnet, explosion-proof lid inboard is provided with the second permanent magnet, first permanent magnet and second permanent magnet inter attraction.
The utility model discloses in the setting of permanent magnet for explosion-proof cover can playback fast, provides sealed ability once more.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:
1. the utility model discloses a reduce smelting furnace that impurity sneaked into, it detects the inside oxygen content of equipment through oxygen sensor to control deoxidant box in good time to add the deoxidant, improved the purity of smelting the result on the one hand, on the other hand has also improved equipment automation, does not need manual operation, has avoided the potential safety hazard.
2. The utility model discloses a in a reduce smelting furnace that impurity sneaked in, cool off equipment through the principle of heat transfer, avoid equipment overheated, improved the life of equipment.
3. The utility model discloses a reduce smelting furnace that impurity sneaked in, it is through setting up explosion-proof structure, can in time discharge deflagration gas, guaranteed the security performance of equipment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the deoxidizing agent box of the present invention;
FIG. 3 is a schematic diagram of the circuit structure of the deoxidizing agent box of the present invention;
fig. 4 is a schematic structural view of the cooling mechanism of the present invention;
FIG. 5 is a schematic structural view of the cooler of the present invention;
FIG. 6 is an enlarged view of a portion of the cooler of the present invention;
fig. 7 is a schematic structural view of the explosion-proof structure of the present invention;
in the figure: furnace body-1, feed inlet-2, discharge outlet-3, rotating table-4, base-5, stabilizing support rod-6, deoxidizing agent box-7, storage box-71, electric control switch-72, electromagnetic valve-73, spray pipe-74, spray head-75, oxygen sensor-76, protective shell-77, cooling mechanism-8, cooling pipe-81, water tank-82, cooler-83, shunt pipe-831, cooling fin-832, heat dissipation strip-833, collecting pipe-834, water cooling tank-835, water cooler-836, water conveying pipe-837, water cooling pipe-838, water conveying pipe spray head-839, explosion-proof structure-9, explosion-proof opening-91, explosion-proof cover-92, reset spring-93, sealing ring-94, A first permanent magnet-95 and a second permanent magnet-96.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Example 1
A smelting furnace for reducing the inclusion of impurities shown in fig. 1, comprising: furnace body 1, feed inlet 2, discharge gate 3, revolving stage 4, base 5, stable branch 6 and deoxidant box 7, 1 tops of furnace body are provided with feed inlet 2, feed inlet 2 is worn out furnace body 1, 1 bottoms of furnace body are provided with discharge gate 3, discharge gate 3 is worn out furnace body 1, 1 bottoms of furnace body are provided with revolving stage 4, revolving stage 4 bottoms are provided with base 5, be provided with stable branch 6 on the revolving stage 4, 6 one end of stable branch articulates in 1 surface of furnace body, be provided with deoxidant box 7 on the furnace body 1.
The deoxidizing agent box 7 in this embodiment includes a storage box 71, an electronic control switch 72, an electromagnetic valve 73, a nozzle 74, a spray nozzle 75 and an oxygen sensor 76, the storage box 71 is disposed on the outer surface of the furnace body 1, the electromagnetic valve 73 is disposed on the storage box 71, one end of the electromagnetic valve 73 is connected to the inside of the storage box 71, the other end of the electromagnetic valve 73 is connected to the nozzle 74, the nozzle 74 penetrates through the furnace body 1, the nozzle 75 is disposed at one end of the nozzle 74, the oxygen sensor 76 is disposed on the inner surface of the furnace body 1, the oxygen sensor 76 is connected to the electronic control switch 72, the electronic control switch 72 is disposed on the storage box 71, the electronic control switch 72 is electrically connected to the electromagnetic valve 73.
In this embodiment, a protective casing 77 is disposed outside the oxygen sensor 76, the protective casing 77 is made of a heat insulating material, the oxygen sensor 76 is wrapped by the protective casing 77, a through hole is disposed on the protective casing 77, a micro-pore heat-insulating plate is disposed in the through hole, and the diameter of a micro-pore on the micro-pore heat-insulating plate is smaller than the plate thickness.
In this embodiment, the cooling mechanism 8 is disposed on the outer surface of the furnace body 1, the cooling mechanism 8 includes a cooling pipe 81, a water tank 82 and a cooler 83, the cooling pipe 81 is wrapped on the outer surface of the furnace body 1 in an S shape, the water tank 82 is connected to two ends of the cooling pipe 81, and the cooler 83 is disposed on the cooling pipe 81.
Cooler 83 in this embodiment include shunt tubes 831, fin 832, heat dissipation strip 833 and collecting tube 834, shunt tubes 831 sets up in the one end that furnace body 1 was kept away from to cooler 83, the one end that shunt tubes 831 is close to furnace body 1 is provided with fin 832, fin 832 is provided with a plurality ofly, fin 832 wraps up shunt tubes 831, be provided with heat dissipation strip 833 between the fin 832, the one end that shunt tubes 831 is close to furnace body 1 is provided with collecting tube 834, collecting tube 834 corresponds with shunt tubes 831.
The cooler 83 in this embodiment further includes a water cooling tank 835, a water cooler 836, a water delivery pipe 837 and water cooling pipes 838, the water cooling tanks 835 are disposed on two sides of the dividing pipe 831, the water cooler 836 is disposed inside the water cooling tank 835, the water delivery pipe 837 is disposed on one side of the water cooling tank 835 close to the dividing pipe 831, the water delivery pipe 837 forms a loop, the water cooling pipes 838 are disposed on the water delivery pipe 837, the water cooling pipes 838 are disposed in plural numbers, and the dividing pipe 831 is wrapped by the water cooling pipes 838.
In this embodiment, a water pipe 839 is disposed on the water pipe 837, and the water pipe nozzle 839 is disposed between the water-cooling pipes 838.
In this embodiment furnace body 1 on be provided with explosion-proof structure 9, explosion-proof structure 9 includes explosion-proof mouth 91, explosion-proof lid 92, reset spring 93 and sealing washer 94, be provided with explosion-proof mouth 91 on the furnace body 1, explosion-proof mouth 91 passes furnace body 1, explosion-proof mouth 91 is the tubulose, explosion-proof mouth 91 one end is provided with explosion-proof lid 92, explosion-proof lid 92 covers explosion-proof mouth 91 one end port, explosion-proof lid 92 edge is provided with reset spring 93, the reset spring 93 other end sets up on explosion-proof mouth 91, explosion-proof lid 92 inboard is provided with sealing washer 94, sealing washer 94 contact explosion-proof mouth 91.
In this embodiment, a first permanent magnet 95 is disposed outside the explosion-proof opening 91, a second permanent magnet 96 is disposed inside the explosion-proof cover 92, and the first permanent magnet 95 and the second permanent magnet 96 attract each other.
Example 2
A smelting furnace with reduced inclusion of impurities, as shown in fig. 2 and 3, comprises: furnace body 1, feed inlet 2, discharge gate 3, revolving stage 4, base 5, stable branch 6 and deoxidant box 7, 1 tops of furnace body are provided with feed inlet 2, feed inlet 2 is worn out furnace body 1, 1 bottoms of furnace body are provided with discharge gate 3, discharge gate 3 is worn out furnace body 1, 1 bottoms of furnace body are provided with revolving stage 4, revolving stage 4 bottoms are provided with base 5, be provided with stable branch 6 on the revolving stage 4, 6 one end of stable branch articulates in 1 surface of furnace body, be provided with deoxidant box 7 on the furnace body 1.
The deoxidizing agent box 7 in this embodiment includes a storage box 71, an electronic control switch 72, an electromagnetic valve 73, a nozzle 74, a spray nozzle 75 and an oxygen sensor 76, the storage box 71 is disposed on the outer surface of the furnace body 1, the electromagnetic valve 73 is disposed on the storage box 71, one end of the electromagnetic valve 73 is connected to the inside of the storage box 71, the other end of the electromagnetic valve 73 is connected to the nozzle 74, the nozzle 74 penetrates through the furnace body 1, the nozzle 75 is disposed at one end of the nozzle 74, the oxygen sensor 76 is disposed on the inner surface of the furnace body 1, the oxygen sensor 76 is connected to the electronic control switch 72, the electronic control switch 72 is disposed on the storage box 71, the electronic control switch 72 is electrically connected to the electromagnetic valve 73.
In this embodiment, a protective casing 77 is disposed outside the oxygen sensor 76, the protective casing 77 is made of a heat insulating material, the oxygen sensor 76 is wrapped by the protective casing 77, a through hole is disposed on the protective casing 77, a micro-pore heat-insulating plate is disposed in the through hole, and the diameter of a micro-pore on the micro-pore heat-insulating plate is smaller than the plate thickness.
Example 3
A smelting furnace with reduced inclusion of impurities, as shown in fig. 4, 5 and 6, comprising: furnace body 1, feed inlet 2, discharge gate 3, revolving stage 4, base 5, stable branch 6 and deoxidant box 7, 1 tops of furnace body are provided with feed inlet 2, feed inlet 2 is worn out furnace body 1, 1 bottoms of furnace body are provided with discharge gate 3, discharge gate 3 is worn out furnace body 1, 1 bottoms of furnace body are provided with revolving stage 4, revolving stage 4 bottoms are provided with base 5, be provided with stable branch 6 on the revolving stage 4, 6 one end of stable branch articulates in 1 surface of furnace body, be provided with deoxidant box 7 on the furnace body 1.
In this embodiment, the cooling mechanism 8 is disposed on the outer surface of the furnace body 1, the cooling mechanism 8 includes a cooling pipe 81, a water tank 82 and a cooler 83, the cooling pipe 81 is wrapped on the outer surface of the furnace body 1 in an S shape, the water tank 82 is connected to two ends of the cooling pipe 81, and the cooler 83 is disposed on the cooling pipe 81.
The cooler 83 in this embodiment further includes a water cooling tank 835, a water cooler 836, a water delivery pipe 837 and water cooling pipes 838, the water cooling tanks 835 are disposed on two sides of the dividing pipe 831, the water cooler 836 is disposed inside the water cooling tank 835, the water delivery pipe 837 is disposed on one side of the water cooling tank 835 close to the dividing pipe 831, the water delivery pipe 837 forms a loop, the water cooling pipes 838 are disposed on the water delivery pipe 837, the water cooling pipes 838 are disposed in plural numbers, and the dividing pipe 831 is wrapped by the water cooling pipes 838.
In this embodiment, a water pipe 839 is disposed on the water pipe 837, and the water pipe nozzle 839 is disposed between the water-cooling pipes 838.
Example 4
A smelting furnace for reducing the inclusion of impurities shown in fig. 7, comprising: furnace body 1, feed inlet 2, discharge gate 3, revolving stage 4, base 5, stable branch 6 and deoxidant box 7, 1 tops of furnace body are provided with feed inlet 2, feed inlet 2 is worn out furnace body 1, 1 bottoms of furnace body are provided with discharge gate 3, discharge gate 3 is worn out furnace body 1, 1 bottoms of furnace body are provided with revolving stage 4, revolving stage 4 bottoms are provided with base 5, be provided with stable branch 6 on the revolving stage 4, 6 one end of stable branch articulates in 1 surface of furnace body, be provided with deoxidant box 7 on the furnace body 1.
In this embodiment furnace body 1 on be provided with explosion-proof structure 9, explosion-proof structure 9 includes explosion-proof mouth 91, explosion-proof lid 92, reset spring 93 and sealing washer 94, be provided with explosion-proof mouth 91 on the furnace body 1, explosion-proof mouth 91 passes furnace body 1, explosion-proof mouth 91 is the tubulose, explosion-proof mouth 91 one end is provided with explosion-proof lid 92, explosion-proof lid 92 covers explosion-proof mouth 91 one end port, explosion-proof lid 92 edge is provided with reset spring 93, the reset spring 93 other end sets up on explosion-proof mouth 91, explosion-proof lid 92 inboard is provided with sealing washer 94, sealing washer 94 contact explosion-proof mouth 91.
In this embodiment, a first permanent magnet 95 is disposed outside the explosion-proof opening 91, a second permanent magnet 96 is disposed inside the explosion-proof cover 92, and the first permanent magnet 95 and the second permanent magnet 96 attract each other.
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 can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a reduce smelting furnace that impurity was sneaked into which characterized in that: the method comprises the following steps: furnace body (1), feed inlet (2), discharge gate (3), revolving stage (4), base (5), stable branch (6) and deoxidant box (7), furnace body (1) top is provided with feed inlet (2), furnace body (1) is worn out in feed inlet (2), furnace body (1) bottom is provided with discharge gate (3), furnace body (1) is worn out in discharge gate (3), furnace body (1) bottom is provided with revolving stage (4), revolving stage (4) bottom is provided with base (5), be provided with stable branch (6) on revolving stage (4), it articulates in furnace body (1) surface to stabilize branch (6) one end, be provided with deoxidant box (7) on furnace body (1).
2. A smelting furnace with reduced inclusion of impurities according to claim 1, wherein: the deoxidizing agent box (7) comprises a storage box (71), an electric control switch (72), an electromagnetic valve (73), a spray pipe (74), a spray head (75) and an oxygen sensor (76), the storage box (71) is arranged on the outer surface of the furnace body (1), the storage box (71) is provided with an electromagnetic valve (73), one end of the electromagnetic valve (73) is connected with the interior of the storage box (71), the other end of the electromagnetic valve (73) is connected with a spray pipe (74), the spray pipe (74) penetrates into the furnace body (1), one end of the spray pipe (74) is provided with a spray head (75), an oxygen sensor (76) is arranged on the inner surface of the furnace body (1), the oxygen sensor (76) is connected with an electric control switch (72), the electronic control switch (72) is arranged on the storage box (71), the electronic control switch (72) is electrically connected with the electromagnetic valve (73), and the electronic control switch (72) is electrically connected with the oxygen sensor (76).
3. A smelting furnace with reduced inclusion according to claim 2, wherein: the oxygen sensor is characterized in that a protective shell (77) is arranged on the outer side of the oxygen sensor (76), the protective shell (77) is made of heat insulation materials, the oxygen sensor (76) is wrapped by the protective shell (77), a through hole is formed in the protective shell (77), a micropore heat-insulating plate is arranged in the through hole, and the diameter of each micropore on the micropore heat-insulating plate is smaller than the plate thickness.
4. A smelting furnace with reduced inclusion of impurities according to claim 1, wherein: the furnace body (1) surface be provided with cooling body (8), cooling body (8) are including cooling tube (81), water tank (82) and cooler (83), cooling tube (81) are "S" shape cladding in furnace body (1) surface, cooling tube (81) both ends are connected with water tank (82), be provided with cooler (83) on cooling tube (81).
5. A smelting furnace with reduced inclusion according to claim 4, wherein: cooler (83) include shunt tubes (831), fin (832), heat dissipation strip (833) and collecting pipe (834), shunt tubes (831) set up in cooler (83) and keep away from the one end of furnace body (1), the one end that shunt tubes (831) are close to furnace body (1) is provided with fin (832), fin (832) are provided with a plurality ofly, fin (832) parcel shunt tubes (831), be provided with heat dissipation strip (833) between fin (832), the one end that shunt tubes (831) are close to furnace body (1) is provided with collecting pipe (834), collecting pipe (834) correspond with shunt tubes (831).
6. A smelting furnace with reduced inclusion of impurities according to claim 5, wherein: cooler (83) still include water-cooling box (835), water cooler (836), raceway (837) and water-cooled tube (838), shunt tubes (831) both sides are provided with water-cooling box (835), inside water cooler (836) that is provided with of water-cooling box (835), one side that water-cooling box (835) are close to shunt tubes (831) is provided with raceway (837), raceway (837) form the return circuit, be provided with water-cooled tube (838) on raceway (837), water-cooled tube (838) are provided with a plurality ofly, water-cooled tube (838) parcel shunt tubes (831).
7. A smelting furnace with reduced inclusion according to claim 6, wherein: the water pipe (837) is provided with water pipe spray heads (839), and the water pipe spray heads (839) are arranged between the water-cooling pipes (838).
8. A smelting furnace with reduced inclusion of impurities according to claim 1, wherein: furnace body (1) on be provided with explosion-proof structure (9), explosion-proof structure (9) are including explosion-proof mouthful (91), explosion-proof lid (92), reset spring (93) and sealing washer (94), be provided with explosion-proof mouthful (91) on furnace body (1), furnace body (1) is passed in explosion-proof mouthful (91), explosion-proof mouthful (91) are the tubulose, explosion-proof mouthful (91) one end is provided with explosion-proof lid (92), explosion-proof lid (92) cover explosion-proof mouthful (91) one end port, explosion-proof lid (92) edge is provided with reset spring (93), the reset spring (93) other end sets up on explosion-proof mouthful (91), explosion-proof lid (92) inboard is provided with sealing washer (94), sealing washer (94) contact explosion-proof mouthful (91).
9. A smelting furnace according to claim 8, wherein: the outer side of the explosion-proof opening (91) is provided with a first permanent magnet (95), the inner side of the explosion-proof cover (92) is provided with a second permanent magnet (96), and the first permanent magnet (95) and the second permanent magnet (96) are mutually attracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220526.5U CN210321156U (en) | 2019-07-31 | 2019-07-31 | Smelting furnace capable of reducing impurity mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220526.5U CN210321156U (en) | 2019-07-31 | 2019-07-31 | Smelting furnace capable of reducing impurity mixing |
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| Publication Number | Publication Date |
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| CN210321156U true CN210321156U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921220526.5U Active CN210321156U (en) | 2019-07-31 | 2019-07-31 | Smelting furnace capable of reducing impurity mixing |
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| Country | Link |
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| CN (1) | CN210321156U (en) |
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2019
- 2019-07-31 CN CN201921220526.5U patent/CN210321156U/en active Active
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