CN217898223U - Prevent fume exhaust fan of acidizing fluid corruption - Google Patents
Prevent fume exhaust fan of acidizing fluid corruption Download PDFInfo
- Publication number
- CN217898223U CN217898223U CN202221338545.XU CN202221338545U CN217898223U CN 217898223 U CN217898223 U CN 217898223U CN 202221338545 U CN202221338545 U CN 202221338545U CN 217898223 U CN217898223 U CN 217898223U
- Authority
- CN
- China
- Prior art keywords
- liquid
- main shaft
- sensor
- liquid blocking
- assembly
- Prior art date
- 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.)
- Active
Links
- 239000003517 fume Substances 0.000 title claims description 10
- 239000012530 fluid Substances 0.000 title claims description 6
- 239000007788 liquid Substances 0.000 claims abstract description 115
- 239000000779 smoke Substances 0.000 claims abstract description 18
- 239000002253 acid Substances 0.000 claims abstract description 17
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 61
- 238000001514 detection method Methods 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 241000886569 Cyprogenia stegaria Species 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 239000007921 spray Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000003733 fiber-reinforced composite Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- -1 and the like Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a prevent acid liquor corrosion's smoke exhaust fan, including bearing box, main shaft and fan casing, the main shaft install in inside the bearing box, be provided with rotatable impeller in the fan casing, the impeller be used for by spindle drive, the fan casing is in the position department of penetrating of main shaft is provided with the axle sleeve with be provided with the sealing member in the clearance of main shaft, and outside the fan casing be provided with on the main shaft and keep off the liquid subassembly. The utility model discloses an add the sealing member in the clearance of main shaft and axle sleeve and add on the main shaft and keep off the liquid subassembly, reach the purpose that prevents corrosive liquid and spatter by the fan casing, protect bearing box and bearing box rear end cap not corroded by sour liquid.
Description
Technical Field
The utility model belongs to the technical field of mining industry is smelted, a prevent smoke exhaust fan of acidizing fluid corruption is related to.
Background
Sulfur dioxide flue gas generated by pyrometallurgical smelting needs to be conveyed to acid making equipment by a smoke exhaust fan so as to avoid personnel smoke choking and pollution to the regional environment caused by flue gas dissipation.
High-temperature sulfur dioxide flue gas at the inlet end of the fan needs to be cooled and dust is suppressed through the spray cooling tower, water and sulfur dioxide are mixed to generate dilute sulfuric acid in the water mist cooling process, at the moment, a certain amount of acid liquor is pumped to the fan shell by the fan, and the acid liquor in the shell can be sprayed to the rear end cover of the fan bearing box through the fan shaft sleeve to corrode the end cover of the bearing box.
Therefore, how to provide a smoke exhaust fan capable of preventing acid corrosion, which solves the above technical problems, is a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent smoke exhaust fan of acidizing fluid corruption to the problem that prior art exists, through add the sealing member in the clearance of main shaft and axle sleeve and add on the main shaft and keep off the liquid subassembly, reach the purpose that prevents corrosive liquid and go out by fan casing splash, protection bearing box and bearing box rear end cap do not receive the acid liquor to corrode.
Therefore, the utility model adopts the following technical proposal:
a smoke exhaust fan for preventing acid liquor corrosion comprises:
a bearing housing; and
the main shaft is arranged on the bearing box and is used for being driven by a motor; and
a fan housing having a rotatable impeller disposed therein, the impeller being adapted to be driven by the spindle;
the fan shell is provided with a shaft sleeve at the penetrating position of the main shaft, a sealing element is arranged in a gap between the shaft sleeve and the main shaft, and a liquid blocking assembly is arranged on the main shaft outside the fan shell.
Further, the smoke exhaust fan further comprises a detection assembly, and the detection assembly is used for detecting the liquid splashing condition outside the fan shell.
Further, the detection assembly comprises a first sensor, and the first sensor is arranged on a first side, facing the shaft sleeve, of the liquid blocking assembly.
Further, the detection assembly further comprises a second sensor, and the second sensor is arranged on a second side, back to the shaft sleeve, of the liquid blocking assembly.
Further, the bearing box is provided with a bearing box rear end cover, the main shaft penetrates out of the bearing box from the bearing box rear end cover, and the second sensor is arranged close to the first side of the bearing box rear end cover.
Further, smoke exhaust fan still includes controller and alarm, the controller is connected simultaneously first sensor the second sensor with the alarm, the controller is used for the basis keep off the liquid subassembly the first side with the liquid splash condition control of the first side of bearing box rear end cover the alarm is reported to the police.
Furthermore, the liquid blocking assembly is of a split design and comprises a first liquid blocking piece and a second liquid blocking piece which are assembled in a split mode and a fastening piece used for fastening the first liquid blocking piece and the second liquid blocking piece.
Further, the liquid blocking assembly has:
a mounting portion for fastening to the main shaft; and
a liquid blocking portion connected to the mounting portion, and:
the liquid blocking part is in a ring shape surrounding the spindle, and a replaceable anti-corrosion blocking piece can be arranged on the first side of the liquid blocking part facing the spindle sleeve or the liquid blocking part is in a horn shape facing the spindle sleeve;
the installation part and the liquid blocking part are integrally formed, and the outer diameter of the liquid blocking part is larger than the inner diameter of the shaft sleeve.
In some embodiments, the first liquid blocking member and the second liquid blocking member are made of FRP, and the fastening member is a connecting bolt and made of titanium.
The beneficial effects of the utility model reside in that:
1. the fan shell of the utility model is provided with a shaft sleeve at the penetrating position of the main shaft, and a sealing element is arranged in the gap between the shaft sleeve and the main shaft;
2. the utility model discloses be provided with on the main shaft outside the fan casing and keep off the liquid subassembly, this smoke exhaust fan reaches the purpose that prevents corrosive liquid and be come out by fan casing splash through addding the sealing member in the clearance of main shaft and axle sleeve and addding on the main shaft and keep off the liquid subassembly, and protection bearing box and bearing box rear end cap do not receive the acid liquor to corrode.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the liquid blocking assembly of the present invention.
In the figure, 10-a fan shell, 101-an impeller, 102-a shaft sleeve, 20-a main shaft, 30-a bearing box, 301-a rear end cover of the bearing box, 40-a liquid blocking component, 41-a first liquid blocking piece, 42-a second liquid blocking piece, 43-a fastening piece, 401-an installation part, 402-a liquid blocking part, 501-a first sensor and 502-a second sensor.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings and implementation methods.
As shown in fig. 1, a smoke exhaust fan for preventing acid corrosion mainly comprises a bearing box 30, a main shaft 20 and a fan housing 10; wherein, the main shaft 20 is installed inside the bearing box 30, the main shaft 20 is used for being driven by a motor, the motor is not shown in the figure, and the direct connection of the two can be realized by an elastic coupling; a rotatable impeller 101 is provided in the fan housing 10, the impeller 101 being driven by the main shaft 20.
This smoke exhaust fan's measure that prevents the acidizing fluid corruption has:
1. the blower housing 10 is provided with a shaft sleeve 102 at the penetrating position of the main shaft 20, and a sealing element is arranged in a gap between the shaft sleeve 102 and the main shaft 20;
2. the main shaft 20 outside the fan housing 10 is provided with a liquid blocking assembly, and the smoke exhaust fan achieves the purpose of preventing corrosive liquid from splashing from the fan housing 10 by additionally arranging a sealing element in a gap between the main shaft 20 and the shaft sleeve 102 and additionally arranging the liquid blocking assembly on the main shaft 20, and protects the bearing box 30 and the rear end cover of the bearing box 30 from being corroded by acid liquid.
Illustratively, the seal is selected to be a felt.
In some embodiments, the smoke exhaust fan further comprises a detection assembly for detecting a liquid spray condition outside the fan housing 10.
It should be noted that there are many forms of the detecting component, which may be a sensor for detecting the solution liquid, and the structure for detecting the liquid splashing that may exist should also belong to the description scope of the present embodiment.
Illustratively, the sensing assembly includes a first sensor 501, and the first sensor 501 is disposed on a first side of the liquid stop assembly 40 facing the boss 102.
In this embodiment, the first sensor 501 is configured to detect a liquid spray from the baffle assembly 40 toward the first side of the boss 102.
In some embodiments, the detection assembly further includes a second sensor 502, and the second sensor 502 is disposed on a second side of the liquid blocking assembly 40 facing away from the shaft sleeve 102.
In this embodiment, the second sensor 502 is configured to detect a liquid spray on the second side of the baffle assembly 40 opposite the hub 102.
It should be noted that the sensor may be selected from a liquid sensor, and the implementation principle thereof may be various, for example, a capacitance measuring unit including a first electrode and a second electrode electrically connected to each other may refer to the prior art, and will not be described herein again.
In some embodiments, the bearing housing 30 is provided with a bearing housing rear end cover 301, and the main shaft 20 passes through the bearing housing 30 from the bearing housing rear end cover 301; and a second sensor 502 is disposed proximate a first side of the bearing housing rear end cap 301.
In the embodiment, the sealing capability of the sealing element is limited, when the negative pressure of the system is low or the sealing is poor, liquid still splashes to the rear end cover 301 of the bearing box through the gap between the shaft sleeve 102 and the main shaft 20; and keep off liquid subassembly 40 and set up between axle sleeve 102 and bearing box rear end cap 301, keep off liquid subassembly 40 and can effectively protect bearing box 30 not corroded, and then ensure smoke exhaust fan's normal operating.
In some embodiments, the fume extractor further comprises a controller and an alarm, wherein the controller is connected with the first sensor 501, the second sensor 502 and the alarm at the same time, and the controller is used for controlling the alarm to alarm according to the liquid splashing condition of the first side of the liquid blocking assembly 40 and the first side of the bearing box rear end cover 301.
In this embodiment, when the first sensor 501 detects that there is a liquid splashing condition, the controller determines that the sealing element is damaged or fails, and when the liquid splashes onto the rear end cover 301 of the bearing housing through the gap between the shaft sleeve 102 and the main shaft 20, the controller controls the alarm to send out a first alarm to remind an operator to replace the sealing element as a first protective measure or install the inspection liquid blocking assembly 40 as a second protective operation; further, if there is no problem with installing and inspecting the liquid stop assembly 40, and the second sensor 502 does not detect the presence of a liquid splash condition, the controller determines that the liquid stop assembly 40 is effective to prevent further liquid splash; in addition, if the first sensor 501 and the second sensor 502 both detect that liquid splashing exists, the controller judges that the sealing element and the liquid blocking assembly 40 are both damaged or invalid, and the controller controls the alarm to send out a second alarm to remind an operator of overhauling.
Referring to fig. 2, fig. 2 is a schematic structural diagram of the liquid blocking assembly in fig. 1.
In some embodiments, the liquid baffle assembly 40 is of a split design, and the liquid baffle assembly 40 comprises a first liquid baffle 41 and a second liquid baffle 42 which are assembled separately and a fastening member 43 for fastening the first liquid baffle 41 and the second liquid baffle 42.
In this embodiment, the liquid blocking assembly 40 is preferably a first liquid blocking member 41 and a second liquid blocking member 42, which are fastened to the main shaft 20 by fasteners 43.
In some embodiments, the liquid stop assembly 40 has a mounting portion 401 and a liquid stop 402.
In this embodiment, each half structure has a half mount 401 and a half dam 402. The mounting portion 401 is a cylinder that is fitted around the spindle 20 and fastened to the spindle 20 after the two half structures are combined.
The liquid blocking portion 402 is connected to the mounting portion 401 and functions to block liquid splashing.
Illustratively, the mounting portion 401 is integrally formed with the liquid stop 402, i.e., the first liquid stop 41 is an integrally formed component, and the second liquid stop 42 is likewise an integrally formed component.
It should be noted that there are various structural forms of the liquid blocking portion 402, including but not limited to regular and irregular structures, as long as the liquid blocking can be achieved, and the present embodiment should also fall within the scope of the present disclosure.
In a first arrangement of the liquid stop 402, the liquid stop 402 is in the shape of a ring around the spindle 20, and the first side of the liquid stop 402 facing the sleeve 102 may be provided with a replaceable corrosion protection flap.
In the embodiment, the liquid blocking part 402 provides an installation basis, and the anti-corrosion blocking sheet on the liquid blocking part 402 can be replaced, so that only the anti-corrosion blocking sheet needs to be replaced during maintenance, the liquid blocking assembly 40 does not need to be replaced integrally, and the liquid blocking part 402 can be maintained quickly; alternative fastening means including, but not limited to, fastener attachment, adhesive bonding, etc. should also fall within the scope of the present embodiments.
In the second arrangement of the liquid blocking portion 402, the liquid blocking portion 402 is in a trumpet shape facing the shaft sleeve 102, and the trumpet shape arrangement can provide a better intercepting effect.
It should be noted that, no matter what shape the liquid blocking portion 402 has, the outer diameter of the liquid blocking portion 402 needs to be larger than the inner diameter of the sleeve 102 in order to ensure that the liquid blocking portion 402 can sufficiently prevent splashing of the liquid.
In some embodiments, the first liquid blocking member 41 and the second liquid blocking member 42 are made of FRP, and the fastening member 43 is a connecting bolt and made of titanium.
The Fiber Reinforced composite material (FRP) is a composite material formed by winding, molding or pultrusion a reinforcing Fiber material, such as glass Fiber, carbon Fiber, aramid Fiber, and the like, and a matrix material. Common fiber-reinforced composites are classified into glass fiber reinforced composites (GFRP), carbon fiber reinforced Composites (CFRP), and aramid fiber reinforced composites (AFRP) according to the reinforcing material.
The application has the advantages of simple structure, low cost, convenient maintenance and suitable popularization.
It should be noted that many of the components mentioned in this application are common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The desulfurization system and the smoke exhaust fan for preventing the acid liquor corrosion thereof provided by the application are introduced in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (9)
1. The utility model provides a prevent fume exhaust fan of acidizing fluid corruption which characterized in that includes: fan casing (10), main shaft (20) and bearing box (30), main shaft (20) are by motor drive, and it installs in inside bearing box (30), be provided with rotatable impeller (101) in fan casing (10), impeller (101) by main shaft (20) drive, fan casing (10) are in the position department of penetrating of main shaft (20) is provided with axle sleeve (102) be provided with the sealing member in the clearance of axle sleeve (102) with main shaft (20), and be provided with on fan casing (10) outside main shaft (20) and keep off liquid subassembly (40).
2. A fume extractor for acid corrosion protection according to claim 1, further comprising a detection assembly for detecting a liquid splash outside said extractor housing (10).
3. A fume extractor for acid corrosion protection according to claim 2, wherein said detection assembly comprises a first sensor (501), said first sensor (501) is disposed on a first side of said liquid blocking assembly (40) facing said shaft sleeve (102).
4. A fume extractor for preventing acid corrosion according to claim 2, wherein said detection assembly further comprises a second sensor (502), said second sensor (502) is disposed on a second side of said liquid blocking assembly (40) facing away from said shaft sleeve (102).
5. A fume extractor for preventing acid corrosion according to claim 4, wherein the bearing housing (30) is provided with a bearing housing rear end cover (301), the main shaft (20) passes through the bearing housing (30) from the bearing housing rear end cover (301), and the second sensor (502) is provided near the first side of the bearing housing rear end cover (301).
6. The acid corrosion prevention smoke exhaust fan according to claim 3, further comprising a controller and an alarm, wherein the controller is connected with the first sensor (501), the second sensor (502) and the alarm at the same time, and the controller is used for controlling the alarm to alarm according to the liquid splashing condition of the first side of the liquid blocking assembly (40) and the first side of the bearing box rear end cover (301).
7. The smoke exhaust fan according to any of the claims 1 to 6 wherein the liquid stop assembly (40) is of a split design, the liquid stop assembly (40) comprising a first liquid stop (41) and a second liquid stop (42) assembled separately and a fastening member (43) for fastening the first liquid stop (41) and the second liquid stop (42).
8. The fume extractor as claimed in any one of claims 1 to 6, wherein the liquid baffle assembly (40) comprises:
a mounting portion (401) for fastening to the main shaft (20); and
a liquid blocking section (402) connected to the mounting section (401) and configured to:
the liquid blocking part (402) is in a ring shape surrounding the main shaft (20), a replaceable anti-corrosion blocking sheet can be arranged on the first side, facing the shaft sleeve (102), of the liquid blocking part (402),
or the like, or a combination thereof,
the liquid blocking part (402) is in a horn shape facing the shaft sleeve (102);
wherein the mounting part (401) and the liquid blocking part (402) are integrally formed, and the outer diameter of the liquid blocking part (402) is larger than the inner diameter of the shaft sleeve (102).
9. The fume exhaust fan for preventing acid corrosion as claimed in claim 7, wherein the first liquid blocking member (41) and the second liquid blocking member (42) are made of FRP, and the fastening member (43) is a connecting bolt and made of titanium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221338545.XU CN217898223U (en) | 2022-05-31 | 2022-05-31 | Prevent fume exhaust fan of acidizing fluid corruption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221338545.XU CN217898223U (en) | 2022-05-31 | 2022-05-31 | Prevent fume exhaust fan of acidizing fluid corruption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217898223U true CN217898223U (en) | 2022-11-25 |
Family
ID=84113467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221338545.XU Active CN217898223U (en) | 2022-05-31 | 2022-05-31 | Prevent fume exhaust fan of acidizing fluid corruption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217898223U (en) |
-
2022
- 2022-05-31 CN CN202221338545.XU patent/CN217898223U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217898223U (en) | Prevent fume exhaust fan of acidizing fluid corruption | |
| CN203892265U (en) | Evaporative crystallization circulating pump | |
| CN207975000U (en) | A kind of axial flow blower | |
| CN216077689U (en) | Seawater circulating pump corrosion prevention device | |
| CN215949599U (en) | Vibration monitoring device for low-pressure final-stage moving blade of steam turbine | |
| CN210218830U (en) | Monitoring feedback type self-balancing turning plate explosion-proof valve | |
| CN208595358U (en) | A kind of heat preservation noise reduction protective pipeline | |
| CN217300972U (en) | Axial flow fan for corrosion-resistant spinning | |
| CN214699051U (en) | High-stability anti-corrosion coupler | |
| CN216559386U (en) | Device for installing thermometer of PCW system | |
| CN220134277U (en) | Centrifugal fan with flange plate | |
| CN214372686U (en) | Flow sensor with self-checking and state indicating functions | |
| CN214587182U (en) | Fan smoke alarm device | |
| CN220470880U (en) | Composite ventilating duct | |
| CN209657066U (en) | A kind of self cleaning wind cooling shield | |
| CN213576226U (en) | Filter quick-opening assembly and filter | |
| CN219268178U (en) | Electrical cabinet with dehumidification function | |
| CN216044598U (en) | Fan blade anti-drop structure | |
| CN215762463U (en) | Noise elimination water conservancy diversion fan housing that cooling blower fan air exit was used | |
| CN219103204U (en) | Dust removal air conditioning system | |
| CN215405599U (en) | Anchor end protection device is sealed to cable | |
| CN214660863U (en) | Oil cooler front end cover structure | |
| CN220227203U (en) | Combined corrosion-resistant and abrasion-resistant pump | |
| CN214940907U (en) | Intelligent prefabricated pump station integrating automatic slag discharging | |
| CN220264402U (en) | Outdoor air intake and exhaust device for garbage pipeline transportation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240415 Address after: 737199 No. 2 Jianshe Road, Jinchuan District, Jinchang City, Gansu Province (east of Beijing Road, west of Heya Road, south of Guiyang Road) Patentee after: Jinchuan Group Copper Gui Co.,Ltd. Country or region after: China Address before: No.98, Jinchuan Road, Jinchuan District, Jinchang City, Gansu Province 737100 Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |