CN211302994U - Equipment suitable for molten salt electrolyte batching and transfer - Google Patents
Equipment suitable for molten salt electrolyte batching and transfer Download PDFInfo
- Publication number
- CN211302994U CN211302994U CN201921689798.XU CN201921689798U CN211302994U CN 211302994 U CN211302994 U CN 211302994U CN 201921689798 U CN201921689798 U CN 201921689798U CN 211302994 U CN211302994 U CN 211302994U
- Authority
- CN
- China
- Prior art keywords
- tank
- electrolyte
- pipe
- batching
- tank body
- 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
- 239000003792 electrolyte Substances 0.000 title claims abstract description 62
- 150000003839 salts Chemical class 0.000 title claims abstract description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910000792 Monel Inorganic materials 0.000 claims description 6
- 229910000856 hastalloy Inorganic materials 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 210000004027 cell Anatomy 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- 238000005868 electrolysis reaction Methods 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 4
- 239000007784 solid electrolyte Substances 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 239000011698 potassium fluoride Substances 0.000 description 3
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 2
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 235000003270 potassium fluoride Nutrition 0.000 description 2
- VBKNTGMWIPUCRF-UHFFFAOYSA-M potassium;fluoride;hydrofluoride Chemical compound F.[F-].[K+] VBKNTGMWIPUCRF-UHFFFAOYSA-M 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- -1 and is circular Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000006052 feed supplement Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- NXHILIPIEUBEPD-UHFFFAOYSA-H tungsten hexafluoride Chemical compound F[W](F)(F)(F)(F)F NXHILIPIEUBEPD-UHFFFAOYSA-H 0.000 description 1
Images
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The utility model discloses a device suitable for batching and transferring molten salt electrolyte, which comprises a tank body (1) and a matched tank cover (2), wherein the tank cover is provided with a feed inlet (3), an HF (hydrogen fluoride) feed pipe (4), an electrolyte transferring pipe (5), a thermometer sleeve (6) and a pressure gauge (7), and the outside of the tank body is provided with a heating device (8); the HF material passing pipe (4) and the electrolyte transfer pipe (5) extend to the bottom of the tank body, a pressure balance valve (10) is designed between the electrolyte transfer pipe (5) and the tank cover, and the outlet end of the electrolyte transfer pipe (5) is connected with a discharge valve (9); an HF material inlet pipe is respectively connected with an HF feeding valve (11) and a pressure increasing valve (12) through a tee joint. The device is safe and efficient, the electrolytic tank cover is not opened for feeding, the electrolyte is safely transferred into the electrolytic tank without stopping, and the transfer amount is synchronously and accurately measured.
Description
Technical Field
The utility model relates to a corollary equipment of an electrolytic cell for preparing fluorine by an electrolytic method, in particular to equipment for preparing and transferring molten salt electrolyte.
Background
In the industrial production of special gases containing fluorine such as nitrogen trifluoride, carbon tetrafluoride, sulfur hexafluoride, tungsten hexafluoride and the like, fluorine is prepared by an electrolytic method as a fluorine gas source, and ammonium fluoride, ammonium bifluoride, potassium fluoride or potassium bifluoride and the like are mixed with hydrogen fluoride in a certain proportion to prepare molten salt as an electrolyte. In the production and operation process, the electrolyte has certain loss and needs to be supplemented discontinuously.
The conventional electrolyte replenishing method comprises the following steps: stopping the operation of the electrolytic cell; nitrogen is fully blown to the cathode chamber and the anode chamber of the electrolytic cell to replace material gas; closing the electrolytic tank and all peripheral connecting valves; opening a hand hole matched with the electrolytic cell, and selecting solid electrolytes with different amounts for replenishment according to the liquid level of the electrolytic cell; HF is introduced into the electrolyte, different molar ratios of HF to ammonium fluoride or potassium fluoride are adjusted, and electrolytes of molten salts with different concentrations are prepared.
The supplementing method mainly has the following defects: 1) frequent stopping affects production; 2) the nitrogen-blowing replacement time is long, and the effective operation time of the electrolytic cell is shortened; 3) environmental pollution: the handhole cover is opened for operation, HF volatilizes into the surrounding environment, and pollution is caused; 4) the operation danger is large: if the nitrogen blowing replacement of the cathode chamber and the anode chamber of the electrolytic cell is not thorough, air is easily introduced when a handhole cover is opened for operation, so that explosion is caused and personnel are injured; 5) directly replenishing solid electrolyte, and introducing HF again to adjust the molten salt ratio before the operation of the electrolytic cell. As the HF feeding pipes are arranged at the two ends of the electrolytic cell, the mixing of the internal electrolyte and the ratio of fused salt (HF/NH) can be uneven in the process of feeding HF3) There is a difference in gradient and poor regulation effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an equipment suitable for molten salt electrolyte batching and transfer, this equipment safety, high efficiency, it is reinforced not to open the electrolysis trough cover, and the electrolysis trough is gone into to the safe electrolyte that shifts of not stopping, and synchronous accurate measurement shifts the volume.
In order to achieve the purpose, the utility model provides a batching tank suitable for batching and transferring molten salt electrolyte, which comprises a tank body 1 and a matched tank cover 2, wherein the tank cover is provided with a feed inlet 3, an HF material passing pipe 4, an electrolyte transferring pipe 5, a thermometer sleeve 6 and a pressure gauge 7, and the outside of the tank body is provided with a heating device 8; the HF material passing pipe 4 and the electrolyte transfer pipe 5 extend to the bottom of the tank body, a pressure balance valve 10 is designed between the electrolyte transfer pipe 5 and the tank cover, and the outlet end of the electrolyte transfer pipe 5 is connected with a discharge valve 9; the HF material inlet pipe is respectively connected with an HF feeding valve 11 and a pressure increasing valve 12 through a tee joint.
Furthermore, the upper part of the tank cover is provided with more than 1 feeding port, and more than 2 HF material passing pipes are designed to improve the uniform speed of material distribution.
Furthermore, lifting lugs are arranged around the groove body and can be lifted by an electric hoist. The hanging scale and the batching groove are matched for use, and the electrolyte transferring amount can be measured.
The heating mode of the groove body can be steam heating or electric heating.
The groove body is made of one of monel alloy steel, hastelloy or pure nickel, and the groove cover is made of one of monel alloy steel, hastelloy, pure nickel or carbon steel.
The using method of the batching tank comprises the following steps:
1) the solid electrolyte was charged into the batch tank from the charging port and then closed.
2) According to the required molten salt ratio, introducing HF according to the metering and sealing.
3) The heating keeps the electrolyte molten.
4) Nitrogen or compressed air is introduced through a pressure increasing valve, and the batching tank is pressurized to the required pressure for pressure maintaining. The pressure is preferably 0.02MPa to 0.20 MPa.
5) Inserting the outlet end of the electrolyte transfer pipe into a charging hand hole of the electrolytic cell or a peripheral liquid level measuring pipe, opening a discharge valve 9 to transfer materials, opening a pressure balance valve 10 when the materials are transferred to a given quantity, wherein the pressure of a gas phase area in the cell body is consistent with the pressure in the electrolyte transfer pipe, and the electrolyte transfer is stopped; the nitrogen or compressed air in the gas phase area of the tank body sweeps the electrolyte in the material transfer pipeline into the electrolytic tank through one side of the pressure balance valve 10, and the other side of the pressure balance valve prevents the electrolyte in the batching tank from continuously flowing out so as to enable the electrolyte to flow back into the batching tank; the discharge valve 9 is closed and the electrolyte transfer is finished.
The caliber of the electrolyte transfer pipe can be matched and formulated according to the caliber of a liquid level measuring port arranged outside the electrolytic cell, and the electrolyte transfer pipe is directly inserted into the liquid level measuring port to transfer materials. The electrolytic cell receiving the electrolyte can be kept in normal operation without stopping the cell.
The invention has the advantages that:
1) solid electrolyte is added through a feed inlet of the batching tank, so that the working strength of the operation of opening the cover of the electrolytic tank every time is reduced.
2) Utilize HF to lead to the material pipe and let in nitrogen gas or compressed air as the booster pipe, impress HF in the pipe into the batching groove, avoided HF to lead to the risk that the material pipe blockked up, provided the guarantee for batching next time.
3) At the interval design balanced pressure's of discharging pipe and batching groove gaseous phase pipeline, when opening balanced valve 10, during nitrogen gas or the compressed air entering discharging pipe 5 of batching groove gaseous phase district, to impressing the batching groove to the electrolyte downwards, outwards to impressing the electrolyte and receiving the electrolysis trough, guaranteed that discharging pipeline 5 does not persist the electrolyte to bleeder valve 9 epitaxial position above the batching groove liquid level. The discharge valve 9 is closed, and a certain pressure can be kept in the batching tank; opening bleeder valve 9, the internal pressure of batching groove can be discharged to receiving the electrolysis trough through ejection of compact pipeline pressure release to discharge through the cathode system of receiving the groove, reduced the acid gas and discharged, avoided environmental pollution.
4) Before transferring the electrolyte, keep certain malleation in the batching groove, need not the pressure boost once more when the batching groove is given different electrolysis trough feed supplements in succession, can the direct operation.
5) And in the electrolyte transfer process, the gas is not required to be discharged to the outside, so that the pollution of acid gas to the environment is avoided.
Drawings
Fig. 1 is a schematic structural view of the batching tank of the present invention.
Wherein: 1. the electrolytic bath comprises a bath body, 2 parts of a bath cover, 3 parts of a charging port, 4 parts of an HF material feeding pipe, 5 parts of an electrolyte transfer pipe, 6 parts of a thermometer sleeve, 7 parts of a pressure gauge, 8 parts of a heating device, 9 parts of an electrolyte discharging valve, 10 parts of a pressure balancing valve, 11 parts of an HF feeding valve and 12 parts of a pressure increasing valve
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1, a batching tank suitable for batching and transferring molten salt electrolyte comprises a tank body 1 and a tank cover 2 matched with the tank body, wherein a feed inlet 3, an HF (hydrogen fluoride) feed pipe 4, an electrolyte transfer pipe 5, a thermometer sleeve 6 and a pressure gauge 7 are designed on the tank cover, and a heating device 8 is designed outside the tank body; the HF material passing pipe 4 and the electrolyte transfer pipe 5 extend to the bottom of the tank body, a pressure balance valve 10 is designed between the electrolyte transfer pipe 5 and the tank cover, and the outlet end of the electrolyte transfer pipe 5 is connected with a discharge valve 9; the HF material inlet pipe is respectively connected with an HF feeding valve 11 and a pressure increasing valve 12 through a tee joint. The upper part of the tank cover is provided with 2 HF material passing pipes. Lifting lugs are arranged around the groove body.
The groove body is made of one of monel alloy steel, hastelloy or pure nickel, and the groove cover is made of one of monel alloy steel, hastelloy, pure nickel or carbon steel.
EXAMPLE 1 Nitrogen trifluoride Process electrolyte formulation
The batching groove is square, and the material is nickel, and the cell body volume is 0.8 cubic meter, and weight 260 kilograms adopts steam heating batching groove. 600 kg of ammonium bifluoride is added at one time, 120 kg of anhydrous HF is introduced, and the ratio of molten salt (HE/NH) is prepared3) Is 2.58. The temperature of the batching tank is controlled to be about 120 ℃; after pressurization, the internal pressure of the tank body is kept at 0.12 MPa; a 3 ton hanging scale was used.
The batch tank was hoisted to transfer electrolyte to the cell as per the operating requirements and the experimental records are shown in table 1.
Table 1 example 1 transfer electrolyte operating record
After all the electrolytes are transferred, the internal pressure of the proportioning tank is reduced to 0.00MPa, no acid gas is discharged to the air on site, and the purpose of safely transferring the electrolytes is achieved.
EXAMPLE 2 fluorine Process preparation of electrolyte
The proportioning bin is circular, and the material is nickel, and is circular, material nickel, cell body volume 0.8 cubic meter, and weight 260 kilograms, the proportioning bin adopts the electrical heating. 600 kg of potassium bifluoride is added at one time, 140 kg of anhydrous HF is introduced, the ratio of the molten salt (HF/KF) is set to be 1.89, and the mass concentration of HF is 40%. The temperature of the batching tank is controlled to be about 90 ℃, and the internal pressure of the tank body is kept at 0.12MPa after pressurization; a 3 ton hanging scale was used.
The batch tank was hoisted to transfer electrolyte to the cell as per the operating requirements and the experimental records are shown in table 2.
Table 2 example 2 transfer electrolyte operating records
After all the electrolytes are transferred, the internal pressure of the proportioning tank is reduced to 0.00MPa, no acid gas is discharged to the air on site, and the purpose of safely transferring the electrolytes is achieved.
Claims (6)
1. A batching tank suitable for batching and transferring molten salt electrolyte comprises a tank body (1) and a tank cover (2) matched with the tank body, wherein a feed inlet (3), an HF (hydrogen fluoride) feed pipe (4), an electrolyte transferring pipe (5), a thermometer sleeve (6) and a pressure gauge (7) are designed on the tank cover, and a heating device (8) is designed outside the tank body; the HF material passing pipe (4) and the electrolyte transfer pipe (5) extend to the bottom of the tank body, a pressure balance valve (10) is designed between the electrolyte transfer pipe (5) and the tank cover, and the outlet end of the electrolyte transfer pipe (5) is connected with a discharge valve (9); an HF material inlet pipe is respectively connected with an HF feeding valve (11) and a pressure increasing valve (12) through a tee joint.
2. The dosing tank as claimed in claim 1, characterized in that there are more than one feed opening (3) in the tank cover and more than 2 HF feed lines (4).
3. The proportioning tank of claim 1 wherein lifting lugs are designed around the tank body.
4. The proportioning tank of claim 1 wherein the heating means is steam heating or electrical heating.
5. The proportioning tank of claim 1, wherein the tank body is made of one of monel steel, hastelloy or pure nickel, and the tank cover is made of one of monel steel, hastelloy, pure nickel or carbon steel.
6. The batch tank of claim 1 wherein the caliber of the electrolyte transfer tube is matched to the caliber of the level measuring port provided externally of the electrolytic tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689798.XU CN211302994U (en) | 2019-09-24 | 2019-09-24 | Equipment suitable for molten salt electrolyte batching and transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921689798.XU CN211302994U (en) | 2019-09-24 | 2019-09-24 | Equipment suitable for molten salt electrolyte batching and transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211302994U true CN211302994U (en) | 2020-08-21 |
Family
ID=72051426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921689798.XU Active CN211302994U (en) | 2019-09-24 | 2019-09-24 | Equipment suitable for molten salt electrolyte batching and transfer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211302994U (en) |
-
2019
- 2019-09-24 CN CN201921689798.XU patent/CN211302994U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211302994U (en) | Equipment suitable for molten salt electrolyte batching and transfer | |
| CN110575791A (en) | Equipment suitable for proportioning and transferring molten salt electrolyte and using method thereof | |
| CN108088730A (en) | A kind of accurate dosing method of ternary precursor metal salt solution | |
| CN104947135A (en) | Device for preparing nitrogen trifluoride and application | |
| CN109659587B (en) | Flow battery capacity attenuation control system and method | |
| CN217349921U (en) | Phosphorus pentafluoride apparatus for producing | |
| CN114789915B (en) | Continuous automatic production method of phosphorus pentafluoride | |
| CN106311481B (en) | A kind of device for formulating and method of octadecylamine floating agent | |
| CN211256109U (en) | Tetraethyl ammonium hydroxide preparation device | |
| CN114701874A (en) | Automatic control method of continuous automatic phosphorus pentafluoride production device | |
| CN213159499U (en) | Gas-liquid quick separation device for EC pneumatic conveying pipeline | |
| CN111118548B (en) | Method for preparing aluminum by low-temperature constant-current electrolysis of composite ionic liquid electrolyte system | |
| CN214612782U (en) | Charging system of nitrogen trifluoride electrolytic cell | |
| CN113937353B (en) | Lithium thionyl chloride battery electrolyte preparation system and preparation method thereof | |
| CN209232873U (en) | A kind of dynamic lithium battery electrolysis liquid transportation system | |
| CN221480099U (en) | Batching feeding equipment that nitrogen trifluoride electrolysis trough was used | |
| CN219722818U (en) | Automatic feeding device for sulfur hexafluoride production | |
| CN111139366A (en) | Method and equipment for preparing and purifying nuclear pure-grade cooling material in sodium-cooled fast reactor | |
| CN208617360U (en) | A kind of device preparing hydrogen fluoride by fluosilicic acid | |
| CN113029714A (en) | Preparation method and preparation device of artificial core containing natural gas hydrate | |
| CN209423449U (en) | A kind of lithium battery electrolytes device for formulating | |
| CN202328960U (en) | Refrigerant recovery device | |
| CN218937559U (en) | Weighing device for chemical product production | |
| CN210856366U (en) | Liquid separating device for adding selenium dioxide in electrolytic manganese metal electrolysis section | |
| CN113430543A (en) | Centralized feeding method for liquid hydrogen fluoride in fluorine-making electrolytic cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210526 Address after: 471012 room 103, office building, Geely Industrial Park, liming research and Design Institute of chemical industry, South Road, Geely science and Technology Park, Geely District, Luoyang City, Henan Province Patentee after: LUOYANG DAWN DACHENG FLUORINE CHEMICAL Co.,Ltd. Patentee after: Haohua Gas Co.,Ltd. Address before: 471012 room 103, office building, Geely Industrial Park, liming research and Design Institute of chemical industry, South Road, Geely science and Technology Park, Geely District, Luoyang City, Henan Province Patentee before: LUOYANG DAWN DACHENG FLUORINE CHEMICAL Co.,Ltd. Patentee before: LIMING Research Institute OF CHEMICAL INDUSTRY |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 471012 room 103, office building, Geely Industrial Park, liming research and Design Institute of chemical industry, South Road, Geely science and Technology Park, Geely District, Luoyang City, Henan Province Patentee after: Luoyang Haohua Gas Technology Co.,Ltd. Patentee after: Haohua Gas Co.,Ltd. Address before: 471012 room 103, office building, Geely Industrial Park, liming research and Design Institute of chemical industry, South Road, Geely science and Technology Park, Geely District, Luoyang City, Henan Province Patentee before: LUOYANG DAWN DACHENG FLUORINE CHEMICAL Co.,Ltd. Patentee before: Haohua Gas Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230817 Address after: 471012 No. 12, South Road, Geely Science Park, Mengjin District, Luoyang City, Henan Province Patentee after: Haohua Gas Co.,Ltd. Address before: 471012 room 103, office building, Geely Industrial Park, liming research and Design Institute of chemical industry, South Road, Geely science and Technology Park, Geely District, Luoyang City, Henan Province Patentee before: Luoyang Haohua Gas Technology Co.,Ltd. Patentee before: Haohua Gas Co.,Ltd. |
|
| TR01 | Transfer of patent right |