CN212058229U - Novel converter for metal smelting - Google Patents
Novel converter for metal smelting Download PDFInfo
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- CN212058229U CN212058229U CN201820814355.8U CN201820814355U CN212058229U CN 212058229 U CN212058229 U CN 212058229U CN 201820814355 U CN201820814355 U CN 201820814355U CN 212058229 U CN212058229 U CN 212058229U
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- 238000003723 Smelting Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims abstract description 84
- 238000002485 combustion reaction Methods 0.000 claims abstract description 65
- 239000000446 fuel Substances 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 description 11
- 239000007769 metal material Substances 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000004321 preservation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses a novel converter is used in metal smelting belongs to metal smelting technical field for the air of solving current converter lets in the problem of insufficient and the easy air vent that blocks up of residue. The furnace comprises a furnace body and a furnace base, wherein the furnace body is connected with the furnace base through a bearing, and a wind guide assembly and a combustion rack for placing fuel are arranged in the furnace body; a plurality of cavities are arranged on the side wall of the furnace body; the air guide assembly comprises an air guide pipe, an air collection chamber and a ventilation assembly, the air guide pipe penetrates through the cavity and is circumferentially distributed in the furnace body, the top end of the air guide pipe is arranged outside the furnace body, the bottom end of the air guide pipe is communicated with the air collection chamber, and the air collection chamber is arranged at the bottom of the furnace body; the top of the air collecting chamber is provided with a plurality of first air outlet pipes; the ventilation assembly comprises a ventilation pipe and a ventilation chamber, the ventilation pipe is circumferentially distributed between the air guide pipe and the ventilation chamber, one end of the ventilation pipe is communicated with the air guide pipe, the other end of the ventilation pipe is communicated with the ventilation chamber, and a second air outlet pipe is arranged at one end, close to the axis, of the ventilation chamber.
Description
Technical Field
The utility model relates to a metal smelting technical field, concretely relates to novel converter is used in metal smelting.
Background
The converter is a tool used in the metal smelting process, the traditional rotary converter usually rotates around the axis of the converter body, and sufficient air is continuously provided for fuel in the hearth of the rotary converter, so that the requirement of the hearth temperature for high-temperature heating of various metal material pieces is met, but the air used in the operation of the currently widely-adopted rotary converter is sent into the converter from the bottom of the converter through a pipeline, and the mode has two problems, namely, the air sending amount is limited, the fuel is not fully contacted with the air, and the heat released by fuel combustion cannot be fully exerted, so that the metal material pieces are slow in heating speed, the heating time of objects is longer, the fuel consumption is more serious, and the production cost burden is increased; and secondly, residues generated by fuel combustion easily block an air inlet pipeline, so that outside air is prevented from entering the converter, the fuel is not fully contacted with the air, and the normal work of the converter is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the background technology, the utility model provides a novel converter for metal smelting.
In order to solve the technical problem, the utility model provides a following technical scheme:
a novel converter for metal smelting comprises a converter body and a converter base, wherein the converter body is connected with the converter base through a bearing, and an air guide assembly and a combustion frame for placing fuel are arranged in the converter body; a plurality of cavities are arranged on the side wall of the furnace body;
the air guide assembly comprises an air guide pipe, an air collection chamber and a ventilation assembly, the air guide pipe penetrates through the cavity and is circumferentially distributed in the furnace body, the top end of the air guide pipe is arranged outside the furnace body, the bottom end of the air guide pipe is communicated with the air collection chamber, and the air collection chamber is arranged at the bottom of the furnace body; the top of the air collecting chamber is provided with a plurality of first air outlet pipes;
the ventilation assembly comprises a ventilation pipe and a ventilation chamber, the cross section of the ventilation chamber is in a circular ring shape, the outer edge of the ventilation chamber is connected with the side wall of the furnace body, the ventilation chamber is stacked from bottom to top, the ventilation pipe is distributed between the air guide pipe and the ventilation chamber in a circumferential shape, one end of the ventilation pipe is communicated with the air guide pipe, the other end of the ventilation pipe is communicated with the ventilation chamber, a second air outlet pipe is arranged at one end, close to the axis center, of the ventilation chamber, and the combustion frame is located on the upper portion of the first air outlet pipe and is arranged between the inner ring of the ventilation chamber.
The utility model discloses a converter for metal smelting is at the during operation, place the fuel of combustion state on the burning frame in the converter, the furnace body passes through the bearing and rotates on the furnace base, the rotation area of furnace body is rotatory, the air enters into the wind-collecting chamber from the top of guide duct, then spill from first play tuber pipe behind the wind-collecting chamber, because be connected with a plurality of guide duct on the lateral wall of wind-collecting chamber, the top of wind-collecting chamber is equipped with the first play tuber pipe that a plurality of evenly set up, therefore, to the fuel of the combustion state on the burning frame of converter inside, can be full and air contact, the combustion effect reinforcing, can release most heat, show reinforcing combustion temperature in the furnace chamber, improve metal material spare rate of heating.
Meanwhile, a part of air entering from the air guide pipe enters the ventilation chamber from the ventilation pipe and then is emitted out after passing through the second air outlet pipe of the ventilation chamber, and because the ventilation chambers are stacked together and the cross sections of the ventilation chambers are in a circular ring shape, fuel in a combustion state can be more fully contacted with the air, the combustion is more thorough and sufficient, all heat is released, the combustion temperature in the hearth is obviously enhanced, and the heating speed of a metal material piece is increased.
Furthermore, the combustion rack is of a hollow structure, the top end and the bottom end of the combustion rack are respectively provided with a through vent hole, and the vent holes in the top end of the combustion rack and the vent holes in the bottom end of the combustion rack are arranged in a staggered mode. The staggered arrangement of the vent holes can meet the requirement that the external air can be fully contacted with the fuel in a combustion state through the vent holes, so that the fuel can be combusted more thoroughly and fully, more heat is released, residues generated by fuel combustion can not fall out of the combustion rack, and the air guide pipe can not be blocked.
Furthermore, an air guiding pipe is arranged at the top end of the air guide pipe, the air guiding pipe comprises a first air inlet pipe and a second air inlet pipe, the first air inlet pipe is obliquely arranged, the second air inlet pipe is vertically arranged, the top end of the second air inlet pipe is connected with one end of the first air inlet pipe, and the other end of the second air inlet pipe is connected with the top end of the air guide pipe. The top of guide duct sets up the induced duct can be faster introduces the collection wind chamber to the outside air through leading to the branch pipe in, and then makes the fuel of combustion state and the abundant contact of air for more thoroughly and abundant of fuel burning releases bigger heat, is showing the interior combustion temperature of reinforcing thorax, improves metal material spare rate of heating.
Further, the exit end of first play tuber pipe is equipped with the first baffle that the cross-section is chevron shape, the top of first play tuber pipe inlays between first baffle, just be equipped with the first ventilation hole that runs through on the lateral wall of first play tuber pipe. The air can be diffused from the first vent hole, and meanwhile, the air guide pipe pipeline cannot be blocked by residues, and the first baffle can solve the problem that the residues generated by fuel combustion block the air guide pipe pipeline, so that the external air is prevented from entering the converter, the fuel is not fully contacted with the air, and the normal work of the converter is influenced.
Furthermore, the outlet end of the second air outlet pipe is provided with a second baffle with a herringbone cross section, the second baffle is composed of an upper baffle and a lower baffle, one end of the upper baffle is connected with one end of the lower baffle, the other ends of the upper baffle and the lower baffle are respectively connected with the side wall of the ventilation chamber, and the lower baffle is provided with a plurality of second ventilation holes. The second venthole on the lower baffle can be in the furnace body is effused to the air in the ventilation chamber for the fuel burning of the burning state on the burning frame is more abundant, and the residue that the fuel burning produced can be blocked by the upper baffle simultaneously, can not plug up the second venthole. The second baffle can solve the problem that residues generated by fuel combustion block the air guide pipe and prevent outside air from entering the converter, so that the fuel is not fully contacted with the air, and the normal operation of the converter is influenced.
Furthermore, the top of the furnace body is provided with a furnace cover, and the furnace cover is movably connected with the furnace body. Can play the auxiliary role of heat preservation and heat loss reduction in the furnace body.
Furthermore, a positioning shaft is arranged between the furnace body and the base, grooves matched with the positioning shaft are respectively arranged at the bottom of the furnace body and the top of the furnace base, and the positioning shaft is arranged in a space formed by the grooves at the bottom of the furnace body and the grooves at the top of the furnace base. The positioning shaft enables the furnace body to rotate on the furnace base more stably.
Furthermore, a clamping ring is arranged on the side wall of the furnace body. The furnace body is convenient to rotate.
1. The fuel of combustion state is placed on a combustion frame in the converter, the furnace body rotates on a furnace base through a bearing, the rotation of the furnace body drives a ventilation assembly to rotate, air enters an air collecting chamber from the top end of an air guide pipe, and then is diffused from a first air outlet pipe after passing through the air collecting chamber.
Meanwhile, a part of air entering from the air guide pipe enters the ventilation chamber from the ventilation pipe and then is emitted out after passing through the second air outlet pipe of the ventilation chamber, and because the ventilation chambers are stacked together and the cross sections of the ventilation chambers are in a circular ring shape, fuel in a combustion state can be more fully contacted with the air, the combustion is more thorough and sufficient, all heat is released, the combustion temperature in the hearth is obviously enhanced, and the heating speed of a metal material piece is increased.
2. The utility model discloses a burning frame is hollow structure, and burning frame top and bottom are equipped with the air vent that runs through respectively, and the air vent on burning frame top sets up with the air vent looks mistake of burning frame bottom. The staggered arrangement of the vent holes can meet the requirement that the external air can be fully contacted with the fuel in a combustion state through the vent holes, so that the fuel can be combusted more thoroughly and fully, more heat is released, residues generated by fuel combustion can not fall out of the combustion rack, and the air guide pipe can not be blocked.
3. The utility model discloses a top of guide duct sets up the induced duct can be more quick introduces the outside air to the collection wind chamber through leading to the branch pipe, and then makes the fuel of combustion state and the abundant contact of air for more thoroughly and abundant of fuel burning releases bigger heat, is showing the burning temperature in the reinforcing furnace chamber, improves metal material spare rate of heating.
4. The air can be diffused from the first vent hole, and meanwhile, the air guide pipe pipeline cannot be blocked by residues, and the first baffle can solve the problem that the residues generated by fuel combustion block the air guide pipe pipeline, so that the external air is prevented from entering the converter, the fuel is not fully contacted with the air, and the normal work of the converter is influenced.
5. The utility model discloses a second venthole on the lower baffle can spill the air in the ventilation chamber in the furnace body for the more abundant of the fuel burning of the burning state on the burning frame, the residue that the fuel burning produced can be blocked by last baffle simultaneously, can not plug up the second venthole. The second baffle can solve the problem that residues generated by fuel combustion block the air guide pipe and prevent outside air from entering the converter, so that the fuel is not fully contacted with the air, and the normal operation of the converter is influenced.
6. The top of the furnace body of the utility model is provided with a furnace cover, and the furnace cover is movably connected with the furnace body. Can play the auxiliary role of heat preservation and heat loss reduction in the furnace body.
7. The utility model discloses a be equipped with the location axle between furnace body and the base, the bottom of furnace body and the top of furnace base be equipped with respectively with location axle matched with recess, the location axle sets up in the space that the recess of furnace body bottom and the recess at furnace base top formed. The positioning shaft enables the furnace body to rotate on the furnace base more stably.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention with the draft tube and the furnace lid removed;
FIG. 3 is an enlarged view of a portion of A in FIG. 1;
fig. 4 is a partially enlarged schematic view of B in fig. 1.
The labels in the figure are: 1-furnace body, 2-furnace base, 3-bearing, 4-combustion rack, 5-cavity, 6-air guide pipe, 7-air collection chamber, 8-first air outlet pipe, 9-ventilation pipe, 10-ventilation chamber, 11-second air outlet pipe, 12-air vent, 13-first air inlet pipe, 14-second air inlet pipe, 15-first baffle, 16-first air vent, 17-second baffle, 18-upper baffle, 19-lower baffle, 20-second air vent, 21-furnace cover, 22-positioning shaft and 23-snap ring.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1-4, a novel converter for metal smelting comprises a converter body 1 and a converter base 2, the converter body 1 is connected with the converter base 2 through a bearing 3, a positioning shaft 22 is arranged between the converter body 1 and the base, grooves matched with the positioning shaft 22 are respectively arranged at the bottom of the converter body 1 and the top of the converter base 2, and the positioning shaft 22 is arranged in a space formed by the grooves at the bottom of the converter body 1 and the grooves at the top of the converter base 2. The positioning shaft 22 makes the furnace body 1 more stable when rotating on the furnace base 2. An air guide assembly and a combustion rack 4 for placing fuel are arranged in the furnace body 1; a plurality of cavities 5 are arranged on the side wall of the furnace body 1; the top of the furnace body 1 is provided with a furnace cover 21, and the furnace cover 21 is movably connected with the furnace body 1. Can play the auxiliary role of heat preservation and heat loss reduction in the furnace body 1. And a clamping ring 23 is arranged on the side wall of the furnace body 1. The furnace body 1 is convenient to rotate.
The air guide assembly comprises an air guide pipe 6, an air collection chamber 7 and a ventilation assembly, the air guide pipe 6 penetrates through the cavity 5 and is circumferentially distributed in the furnace body 1, the top end of the air guide pipe 6 is arranged outside the furnace body 1, the bottom end of the air guide pipe 6 is communicated with the air collection chamber 7, and the air collection chamber 7 is arranged at the bottom of the furnace body 1; the top of the air collecting chamber 7 is provided with a plurality of first air outlet pipes 8;
the top end of the air guide pipe 6 is provided with an air guide pipe, the air guide pipe comprises a first air inlet pipe 13 and a second air inlet pipe 14, the first air inlet pipe 13 is obliquely arranged, the second air inlet pipe 14 is vertically arranged, the top end of the second air inlet pipe 14 is connected with one end of the first air inlet pipe 13, and the other end of the second air inlet pipe 14 is connected with the top end of the air guide pipe 6. The top of the air guide pipe 6 is provided with an air guide pipe, so that the external air can be introduced into the air collecting chamber 7 more quickly through the branch pipe, the fuel in a combustion state is in full contact with the air, the fuel is combusted more thoroughly and fully, larger heat is released, the combustion temperature in the hearth is obviously enhanced, and the heating speed of a metal material piece is increased.
The ventilation assembly comprises a ventilation pipe 9 and a ventilation chamber 10, the cross section of the ventilation chamber 10 is in a circular ring shape, the outer edge of the ventilation chamber 10 is connected with the side wall of the furnace body 1, the ventilation chamber 10 is stacked from bottom to top, the ventilation pipe 9 is distributed between the air guide pipe 6 and the ventilation chamber 10 in a circumferential shape, one end of the ventilation pipe 9 is communicated with the air guide pipe 6, the other end of the ventilation pipe 9 is communicated with the ventilation chamber 10, a second air outlet pipe 11 is arranged at one end, close to the axis, of the ventilation chamber 10, a plurality of through ventilation holes 12 are formed in the combustion frame 4, and the combustion frame 4 is located at the upper part of the first air outlet pipe 8 and is arranged between the inner rings of the ventilation chamber 10.
The combustion rack 4 is of a hollow structure, the top end and the bottom end of the combustion rack 4 are respectively provided with a through vent hole 12, and the vent holes 12 at the top end of the combustion rack 4 and the vent holes 12 at the bottom end of the combustion rack 4 are arranged in a staggered mode.
The utility model discloses a theory of operation: the utility model discloses a converter for metal smelting is at the during operation, place the fuel of combustion state on the burning frame 4 in the converter, furnace body 1 passes through bearing 3 and rotates on furnace base 2, the rotation area of furnace body 1 is rotatory, the air enters into wind-collecting chamber 7 from the top of guide duct 6 in, then from first play tuber pipe 8 effluvium behind wind-collecting chamber 7, because be connected with a plurality of guide duct 6 on wind-collecting chamber 7's the lateral wall, wind-collecting chamber 7's top is equipped with the first play tuber pipe 8 that a plurality of evenly set up, therefore, to the fuel of the combustion state on the burning frame 4 of converter inside, can be fully with the air contact, the combustion effect reinforcing, can release most heat, show the internal combustion temperature of reinforcing furnace, improve metal material spare rate of heating.
Meanwhile, a part of air entering from the air guide pipe 6 enters the ventilation chamber 10 from the ventilation pipe 9 and then is emitted out after passing through the second air outlet pipe 11 of the ventilation chamber 10, and because the ventilation chambers 10 are stacked together and the cross sections of the ventilation chambers 10 are in a circular ring shape, fuel in a combustion state can be more fully contacted with the air, the combustion is more thorough and full, all heat is released, the combustion temperature in the hearth is obviously enhanced, and the heating speed of a metal material piece is increased.
The staggered arrangement of the vent holes 12 can not only meet the requirement that the external air can be fully contacted with the fuel in a combustion state through the vent holes 12, so that the fuel is more thoroughly and fully combusted, and more heat is released, but also the residues generated by the fuel combustion can be prevented from falling out of the combustion frame 4, and the air guide pipe 6 can not be blocked.
Example 2:
as shown in fig. 1-4, the present embodiment is further optimized based on embodiment 1, and this embodiment focuses on explaining the improved parts compared to embodiment 1, and the same parts are not repeated herein, in this embodiment, the outlet end of the first air outlet pipe 8 is provided with a first baffle 15 with a herringbone cross section, the top of the first air outlet pipe 8 is embedded between the first baffles 15, and the side wall of the first air outlet pipe 8 is provided with a first vent hole 16 penetrating therethrough. The air can be diffused from the first vent hole 16 and simultaneously the pipeline of the air guide pipe 6 can not be blocked by residues, and the first baffle 15 can solve the problem that the pipeline of the air guide pipe 6 is blocked by the residues generated by fuel combustion, so that the outside air is prevented from entering the converter, the fuel is not fully contacted with the air, and the normal work of the converter is influenced.
Example 3:
as shown in fig. 1 to 4, this embodiment is further optimized based on embodiment 1, and this embodiment focuses on explaining the improved parts compared to embodiment 1, and the same parts are not repeated, in this embodiment, the outlet end of the second air outlet pipe 11 is provided with a second baffle 17 with a herringbone cross section, the second baffle 17 is composed of an upper baffle 18 and a lower baffle 19, one end of the upper baffle 18 is connected with one end of the lower baffle 19, the other end of the upper baffle 18 and the other end of the lower baffle 19 are respectively connected with the side wall of the ventilation chamber 10, and the lower baffle 19 is provided with a plurality of second ventilation holes 20. The second ventilation holes 20 on the lower baffle plate 19 can radiate the air in the ventilation chamber 10 into the furnace body 1, so that the fuel in the combustion state on the combustion rack 4 is more fully combusted, and meanwhile, residues generated by the combustion of the fuel are blocked by the upper baffle plate 18 and cannot block the second ventilation holes 20. The second baffle 17 can solve the problem that the residue generated by fuel combustion blocks the pipeline of the air guide pipe 6, and prevents the outside air from entering the converter, so that the fuel is not fully contacted with the air, and the normal operation of the converter is influenced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A novel converter for metal smelting comprises a converter body (1) and a converter base (2), and is characterized in that the converter body (1) and the converter base (2) are connected through a bearing (3), and a wind guide assembly and a combustion frame (4) for placing fuel are arranged in the converter body (1); a plurality of cavities (5) are arranged on the side wall of the furnace body (1);
the air guide assembly comprises an air guide pipe (6), an air collection chamber (7) and a ventilation assembly, the air guide pipe (6) penetrates through the cavity (5) and is circumferentially distributed in the furnace body (1), the top end of the air guide pipe (6) is arranged outside the furnace body (1), the bottom end of the air guide pipe (6) is communicated with the air collection chamber (7), and the air collection chamber (7) is arranged at the bottom of the furnace body (1); the top of the air collecting chamber (7) is provided with a plurality of first air outlet pipes (8);
the ventilation assembly comprises a ventilation pipe (9) and a ventilation chamber (10), the cross section of the ventilation chamber (10) is in a circular ring shape, the outer edge of the ventilation chamber (10) is connected with the side wall of the furnace body (1), the ventilation chamber (10) is stacked from bottom to top, the ventilation pipe (9) is distributed between the air guide pipe (6) and the ventilation chamber (10) in a circumferential shape, one end of the ventilation pipe (9) is communicated with the air guide pipe (6), the other end of the ventilation pipe (9) is communicated with the ventilation chamber (10), one end, close to the axis center, of the ventilation chamber (10) is provided with a second air outlet pipe (11), and the combustion frame (4) is located on the upper portion of the first air outlet pipe (8) and is arranged between the inner ring of the ventilation chamber (10).
2. A novel metal smelting converter according to claim 1, wherein the combustion frame (4) is hollow, the top end and the bottom end of the combustion frame (4) are respectively provided with a through vent hole (12), and the vent holes (12) at the top end of the combustion frame (4) and the vent holes (12) at the bottom end of the combustion frame (4) are arranged in a staggered manner.
3. The novel metal smelting converter according to claim 1, wherein an induced draft duct is arranged at the top end of the air guide duct (6), the induced draft duct comprises a first air inlet duct (13) and a second air inlet duct (14), the first air inlet duct (13) is obliquely arranged, the second air inlet duct (14) is vertically arranged, the top end of the second air inlet duct (14) is connected with one end of the first air inlet duct (13), and the other end of the second air inlet duct (14) is connected with the top end of the air guide duct (6).
4. The novel converter for metal smelting according to claim 1, wherein the outlet end of the first air outlet pipe (8) is provided with a first baffle (15) with a herringbone cross section, the top of the first air outlet pipe (8) is embedded between the first baffles (15), and the side wall of the first air outlet pipe (8) is provided with a first ventilation hole (16) therethrough.
5. The novel converter for metal smelting according to claim 1, wherein a second baffle (17) with a herringbone cross section is arranged at the outlet end of the second air outlet pipe (11), the second baffle (17) is composed of an upper baffle (18) and a lower baffle (19), one ends of the upper baffle (18) and the lower baffle (19) are connected, the other ends of the upper baffle (18) and the lower baffle (19) are respectively connected with the side wall of the ventilation chamber (10), and a plurality of second ventilation holes (20) are formed in the lower baffle (19).
6. A novel metal smelting converter according to claim 1, wherein a furnace cover (21) is arranged on the top of the furnace body (1), and the furnace cover (21) is movably connected with the furnace body (1).
7. A novel metal smelting converter according to claim 1, characterized in that a positioning shaft (22) is arranged between the furnace body (1) and the base, the bottom of the furnace body (1) and the top of the furnace base (2) are respectively provided with a groove matched with the positioning shaft (22), and the positioning shaft (22) is arranged in a space formed by the groove at the bottom of the furnace body (1) and the groove at the top of the furnace base (2).
8. A novel metal smelting converter according to claim 1, wherein the side wall of the furnace body (1) is provided with a snap ring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814355.8U CN212058229U (en) | 2018-05-29 | 2018-05-29 | Novel converter for metal smelting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814355.8U CN212058229U (en) | 2018-05-29 | 2018-05-29 | Novel converter for metal smelting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212058229U true CN212058229U (en) | 2020-12-01 |
Family
ID=73507365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820814355.8U Expired - Fee Related CN212058229U (en) | 2018-05-29 | 2018-05-29 | Novel converter for metal smelting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212058229U (en) |
-
2018
- 2018-05-29 CN CN201820814355.8U patent/CN212058229U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211215 Address after: 266000 Daxin Zhen Chen Jia Cun Jin Chen Lu, Jimo District, Qingdao City, Shandong Province Patentee after: Qingdao Xinrong Maofa Metal Co.,Ltd. Address before: 221000 Shenchang, Gulou District, Xuzhou City, Jiangsu Province Patentee before: Jiangsu shengdoushi Network Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |