CN212609595U - Fluorination furnace temperature rising and heat preservation device - Google Patents
Fluorination furnace temperature rising and heat preservation device Download PDFInfo
- Publication number
- CN212609595U CN212609595U CN202021091852.3U CN202021091852U CN212609595U CN 212609595 U CN212609595 U CN 212609595U CN 202021091852 U CN202021091852 U CN 202021091852U CN 212609595 U CN212609595 U CN 212609595U
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- furnace body
- furnace
- heating element
- electric heating
- temperature
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- 238000004321 preservation Methods 0.000 title claims abstract description 12
- 238000003682 fluorination reaction Methods 0.000 title claims description 16
- 230000000630 rising effect Effects 0.000 title claims description 10
- 238000005485 electric heating Methods 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 50
- 229910002804 graphite Inorganic materials 0.000 claims description 50
- 239000010439 graphite Substances 0.000 claims description 50
- 238000009413 insulation Methods 0.000 claims description 16
- 239000011810 insulating material Substances 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000002912 waste gas Substances 0.000 abstract description 7
- 239000010977 jade Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- -1 rare earth fluoride Chemical class 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a fluoridize stove intensification heat preservation device, the induction cooker comprises a cooker bod, the furnace body comprises outer oven and interior stove jade and jade fixed connection that the lateral wall is cavity and upper end open-ended hollow structure, sealed lid is installed to the upper end open position of furnace body, and air inlet and gas vent are installed to the furnace body, the furnace body inner wall is equipped with first electric heating element, be equipped with second electric heating element in the cavity of furnace body lateral wall, be equipped with the heat dissipation case in the cavity of furnace body, intake pipe and blast pipe are installed to the heat dissipation case, the intake pipe is connected with the air inlet, the blast pipe extends the furnace body and is connected with exhaust treatment device, and this novel effect: the furnace body can be rapidly heated by the two groups of motor heating elements at different positions; high-temperature waste gas generated by the furnace body enters the heat dissipation box, heat can be dissipated in the cavity of the furnace body, and the heat can be simultaneously dissipated and is matched with the second electric heating element to insulate the furnace body, so that the energy-saving effect is achieved.
Description
Technical Field
The utility model relates to a heat preservation device that heaies up of fluorination stove belongs to fluorination stove equipment technical field.
Background
Anhydrous rare earth fluoride is a necessary raw material for extracting rare earth metal, and the preparation method thereof is generally divided into two types of wet conversion and fire conversion. The pyrogenic conversion is generally a fluorination treatment of rare earth oxides with Hydrogen Fluoride (HF) gas at a constant temperature and a high temperature.
The hydrogen fluoride gas has strong corrosivity, so a heating element cannot be arranged in the closed furnace inner wall of the fluorination furnace for direct heating, but a silicon-carbon rod or a resistance alloy (such as iron-chromium-aluminum alloy) is arranged between the furnace inner wall of the fluorination furnace and the heat insulation layer to be used as the heating element for indirectly heating the rare earth material in the furnace, and the silicon-carbon rod is used as the heating element, so that the silicon-carbon rod is easy to break and has the problem of resistance matching, and is generally replaced completely in six months, so that the service life is short, and the cost is high; the fluorination furnace adopting resistance alloy (such as iron-chromium-aluminum alloy) as a heating element has the problems of low electric heating efficiency and high use cost.
In addition, the heating device heating time of traditional fluoride furnace is longer, can not satisfy the demand of rapid heating, and then can reduce work efficiency, and traditional fluoride furnace adopts same 380V three phase current at the heat preservation in-process and heating process in addition, because the heat preservation time overlength, and the temperature that keeps warm and provide is far less than the temperature that the heating provided, consequently continues to adopt 380V's high voltage, can have the phenomenon of wasting the electric energy, can increase manufacturing cost simultaneously.
Disclosure of Invention
An object of the utility model is to provide a fluoridize stove intensification heat preservation device has solved among the prior art problem that fluoridize stove intensification heat preservation device heating efficiency is low, extravagant energy, manufacturing cost is high.
The utility model adopts the technical scheme as follows: the utility model provides a fluoridize stove intensification heat preservation device, includes the furnace body, the furnace body constitutes the lateral wall by outer oven and interior stove jade and jade fixed connection and is cavity upper end open-ended hollow structure, sealed lid is installed to furnace body upper end opening, air inlet and gas vent are installed to the furnace body, first electric heating element is installed to the furnace body inner wall, install second electric heating element in the cavity of furnace body lateral wall, install in the cavity of furnace body and outer stove jade and jade fixed connection's heat dissipation case, intake pipe and blast pipe are installed to the heat dissipation case, the intake pipe is connected with the air inlet, the blast pipe extends the furnace body.
The first electric heating element comprises a first graphite heating body of an annular snake-shaped structure, the first graphite heating body is connected with a first graphite electrode, the first graphite electrode is connected with a first conductive device, the first graphite heating body is fixedly connected with a mounting plate of an annular structure in a clamping mode, the mounting plate is distributed in an up-and-down symmetrical mode, the mounting plate is fixedly connected with the inner furnace wall, the first graphite electrode is fixed to the inner bottom of the heat insulation box, and the first conductive device is embedded and fixed to the bottom of the heat insulation box and extends out of the heat insulation box.
The second electric heating element comprises a second graphite heating body with a spiral structure, the second graphite heating body is connected with a second graphite electrode, the second graphite electrode is connected with a conductive device, a mounting ring is fixed at the bottom of the second graphite heating body, the mounting ring is fixedly connected with the inner furnace wall in a sleeved mode, the second graphite electrode is fixed at the bottom of the mounting ring, and the second conductive device is embedded and fixed at the bottom of the heat insulation box and extends out of the heat insulation box.
The electric heating furnace is characterized in that the first electric heating element and the second electric heating element are respectively connected with a 380V power supply and a 220V power supply through a control system, wherein the first electric heating element is connected with the 380V power supply, the second electric heating element is connected with the 220V power supply, the control system is composed of a controller, a main power switch, two solid relays, a temperature setting module and two temperature sensors which are electrically connected, circuit input ends of the two solid relays are respectively connected with the 380V power supply and the 220V power supply, circuit output ends of the two solid relays are respectively connected with the first conducting device and the second conducting device, and the two temperature sensors are installed on the inner wall of the furnace body.
Furthermore, the outer furnace wall and the sealing cover of the furnace body are made of heat-insulating materials.
Further, the first conducting device and the second conducting device are both conducting copper bars.
Furthermore, the first graphite electrode and the first conductive device are wrapped by high-temperature-resistant insulating materials.
Furthermore, the second graphite electrode and the second conductive device are wrapped by high-temperature-resistant insulating materials.
Further, the mounting plate and the mounting ring are made of high-temperature-resistant insulating materials. Furthermore, control system is equipped with the protective housing, and controller, master switch, two solid state relays, temperature setting module are installed in the protective housing, the protective housing is fixed in furnace body side.
The beneficial effects of the utility model reside in that:
the utility model discloses a first electric heating element and second electric heating element simultaneous working can make the furnace body rapid heating up to the temperature that does needs in the actual production, and first electric heater unit directly heats the furnace body is inside, and rate of heating is fast, and the first electric heating element of second electric heating element cooperation can show the heating efficiency who improves the furnace body.
The utility model discloses be equipped with around the heat dissipation case around the furnace body cavity, the high temperature waste gas that produces in the furnace body gets into the heat dissipation incasement, then discharges from the heat dissipation case again for high temperature waste gas flows through the furnace body cavity and can evenly distribute out partly heat, keeps warm to the furnace body, has realized waste gas reuse's purpose, has reduced the energy loss, has energy-conserving effect.
The utility model discloses first electric heating element and second electric heating element's heating member is the graphite heating member, and graphite heating member rate of heating is fast and the energy consumption is low, not only can improve production efficiency, but also has energy-conserving effect, and graphite heating member chemical property is stable simultaneously not takes place the reaction with hydrogen fluoride gas, can directly expose inside the furnace body, carries out the heating between going on the material.
The utility model discloses a control system, the operating condition of the first electric heating element of automatic control and second electric heating element, set up the required temperature of actual production through the temperature setting module earlier, when the furnace body heaies up to the required temperature of actual production, one of them temperature sensor, send the order to the controller, the disconnection of the solid state relay that the first electric heating element of controller control is connected, first heating element stop work, wherein another temperature sensor, a controller, the operating condition of the control circuit automatic adjustment second electric heating element that the solid state relay that the second electric heating element is connected constitutes, the temperature of control furnace body, the temperature that makes the furnace body is in suitable state always.
The utility model discloses use the 220V power connection to replace the 380V power to keep warm to the furnace body, cooperate high temperature waste gas to the heat preservation of furnace body simultaneously, not only can reduce the energy loss, heat preservation quality is high moreover, can reduction in production cost, improves economic benefits.
Drawings
Fig. 1 is a schematic view of the novel three-dimensional structure.
Fig. 2 is a schematic view of the novel front view cross-section structure.
Fig. 3 is a schematic side view of the novel cross-sectional structure.
Fig. 4 is a schematic perspective view of a second graphite heater according to the present invention.
Fig. 5 is a schematic diagram of the connection control structure of the controller of the present invention.
In the figure: the device comprises a furnace body 1, an outer furnace wall 1-1, an inner furnace wall 1-2, a sealing cover 1-3, an air inlet 1-4, an air outlet 1-5, a first electric heating element 2, a first graphite heating element 2-1, a first graphite electrode 2-2, a first electric conduction device 2-3, a mounting plate 2-4, a second electric heating element 3, a second graphite heating element 3-1, a second graphite electrode 3-2, a second electric conduction device 3-3, a mounting ring 3-4, a heat dissipation box 4, an air inlet pipe 4-1, an exhaust pipe 4-2, a controller 5, a solid-state relay 6, a temperature setting module 7 and a temperature sensor 9.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
As shown in figures 1-5, the temperature rising and maintaining device for the fluorination furnace comprises a furnace body 1, wherein the furnace body 1 is of a hollow structure with a side wall being a cavity and an upper end opening and is formed by fixedly welding an outer furnace wall 1-1 and an inner furnace wall 1-2, the upper end opening of the furnace body 1 is detachably fixed with a sealing cover 1-3, the furnace body 1 is fixedly welded and provided with an air inlet 1-4 and an air outlet 1-5 which are communicated with the interior of the furnace body 1 in a sealing way, wherein the air inlet 1-4 is positioned at the bottom of the furnace body 1, the air outlet 1-5 is positioned at the upper end of the furnace body 1, a first electric heating element 2 is fixedly arranged on the inner wall of the furnace body 1, a second electric heating element 3 is fixedly arranged in the cavity of the side wall of the furnace body 1, a heat dissipation box 4 fixedly connected with the outer furnace wall in a welding way is arranged in the cavity of the furnace body 1, an air, the air inlet pipe 4-1 is fixedly connected with the air inlet 1-4 in a sealing way, and the exhaust pipe 4-2 extends out of the furnace body 1 and is connected with a waste gas treatment device (not shown in the figure).
In this embodiment, the first electric heating element 2 includes a first graphite heating element 2-1 with an annular serpentine structure, the first graphite heating element 2-1 is connected with a first graphite electrode 2-2, the first graphite electrode 2-2 is connected with a first electric conduction device 2-3, the first graphite heating element 2-1 is detachably clamped and fixedly connected with a mounting plate 2-4 with an annular structure, the mounting plates 2-4 are vertically and symmetrically distributed, the mounting plate 2-4 is fixedly welded with the inner furnace wall 1-2, the first graphite electrode 2-2 is fixed at the inner bottom of the thermal insulation box through a fastening bolt made of a high temperature resistant material, and the first electric conduction device 2-3 is embedded and fixed at the bottom of the thermal insulation box and extends out of the thermal insulation box.
In this embodiment, the mounting plates 2-4 are made of a high temperature resistant insulating material.
In this embodiment, the second electric heating element 3 includes a second graphite heating element 3-1 with a spiral structure, the second graphite heating element 3-1 is connected with a second graphite electrode 3-2, the second graphite electrode 3-2 is connected with an electric conduction device, a mounting ring 3-4 is fixed at the bottom of the second graphite heating element 3-1 through a high temperature resistant bolt, the mounting ring 3-4 is fixedly connected with the inner furnace wall 1-2 in a sleeved and welded manner, the second graphite electrode 3-2 is fixed at the bottom of the mounting ring 3-4 through a high temperature resistant bolt, and the second electric conduction device 3-3 is embedded and fixed at the bottom of the heat insulation box and extends out of the heat insulation box.
In this embodiment, the mounting ring 3-4 is made of a high temperature resistant insulating material.
In this embodiment, the first electric heating element 2 and the second electric heating element 3 are respectively connected with a 380V power supply and a 220V power supply through a control system, wherein the first electric heating element 2 is connected with the 380V power supply, the second electric heating element 3 is connected with the 220V power supply, the control system is provided with a protection box (not shown in the figure), the control system is formed by electrically connecting a controller 5, a main power switch, two solid-state relays 6, a temperature setting module 7 and two temperature sensors 9, circuit input ends of the two solid-state relays 6 are respectively connected with the 380V power supply and the 220V power supply, circuit output ends of the two solid-state relays 6 are respectively connected with the first conductive devices 2-3 and the second conductive devices 3-3, and the two temperature sensors 9 are fixedly installed on the inner wall of the furnace body 1.
In this embodiment, the controller 5, the main power switch, the two solid-state relays 6 and the temperature setting module 7 are mounted in a protective box through fastening bolts, and the protective box is fixed on the side of the furnace body 1.
In this embodiment, the outer wall of the furnace body 1 and the sealing covers 1-3 are made of heat-insulating materials.
In this embodiment, the first conductive device 2-3 and the second conductive device 3-3 are both conductive copper bars.
In this embodiment, the first graphite electrode 2-2 and the first conductive device 2-3 are both wrapped with a high temperature resistant insulating material.
In this embodiment, the second graphite electrode 3-2 and the second conductive device 3-3 are both wrapped with a high temperature resistant insulating material.
The utility model discloses a theory of operation and application method:
when the furnace body 1 is heated to the temperature required by actual production, one of the temperature sensors 9 sends a command to the controller 5, the controller 5 controls the solid-state relay 6 connected with the first electric heating element 2 to be disconnected, the first point heating element stops working, a control circuit formed by the other temperature sensor 9, the controller 5 and the solid-state relay 6 connected with the second electric heating element 3 automatically adjusts the working state of the second electric heating element 3, the temperature of the furnace body 1 is controlled, and meanwhile, the second electric heating element 3 is matched with the heat emitted by the high-temperature waste gas in the cavity of the furnace body 1 to control the temperature of the furnace body 1, so that the temperature of the furnace body 1 is always in a proper state.
Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements 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. The utility model provides a fluoridize stove intensification heat preservation device, includes the furnace body, characterized by: the furnace body comprises an outer furnace wall and an inner furnace wall which are fixedly connected to form a hollow structure with a side wall being a cavity and an upper end being open, a sealing cover is installed at the upper end opening position of the furnace body, an air inlet and an air outlet are installed on the furnace body, a first electric heating element is arranged on the inner wall of the furnace body, a second electric heating element is arranged in the cavity of the side wall of the furnace body, a heat dissipation box is arranged in the cavity of the furnace body, an air inlet pipe and an exhaust pipe are installed on the heat dissipation box, the air inlet pipe is connected with.
2. The temperature rising and maintaining device of the fluorination furnace as claimed in claim 1, wherein: the outer furnace wall and the sealing cover of the furnace body are both made of heat-insulating materials.
3. The temperature rising and maintaining device of the fluorination furnace as claimed in claim 1, wherein: the first electric heating element comprises a first graphite heating body of an annular snake-shaped structure, the first graphite heating body is connected with a first graphite electrode, the first graphite electrode is connected with a first conductive device, the first graphite heating body is fixedly connected with a mounting plate of an annular structure in a clamping mode, the mounting plate is distributed in a vertically symmetrical mode, the mounting plate is fixedly connected with the inner furnace wall, the first graphite electrode is fixed to the bottom in the heat insulation box, and the first conductive device is embedded and fixed to the bottom of the heat insulation box and extends out of the heat insulation box.
4. The temperature rising and maintaining device of the fluorination furnace as claimed in claim 3, wherein: the first graphite electrode and the first conducting device are all wrapped with high-temperature-resistant insulating materials; the mounting plate is made of high-temperature-resistant insulating materials.
5. The temperature rising and maintaining device of the fluorination furnace as claimed in claim 1, wherein: the second electric heating element comprises a second graphite heating body with a spiral structure, the second graphite heating body is connected with a second graphite electrode, the second graphite electrode is connected with a conductive device, a mounting ring is fixed at the bottom of the second graphite heating body, the mounting ring is fixedly connected with the inner furnace wall in a sleeved mode, the second graphite electrode is fixed at the bottom of the mounting ring, and the second conductive device is embedded and fixed at the bottom of the heat insulation box and extends out of the heat insulation box.
6. The temperature rising and maintaining device of the fluorination furnace as claimed in claim 5, wherein: the second graphite electrode and the second conductive device are both wrapped with high-temperature-resistant insulating materials; the mounting ring is made of high-temperature-resistant insulating materials.
7. The temperature rising and maintaining device of the fluorination furnace as claimed in claim 1, wherein: the first electric heating element and the second electric heating element are respectively connected with a 380V power supply and a 220V power supply through a control system, wherein the first electric heating element is connected with the 380V power supply, and the second electric heating element is connected with the 220V power supply.
8. The temperature rising and maintaining device of the fluorination furnace as claimed in claim 7, wherein: control system is equipped with the protective housing, and control system comprises controller, total switch, two solid state relays, temperature setting module, two temperature sensor electric connection, two solid state relays's circuit input end is connected with 380V power and 220V power respectively, and two solid state relays's circuit output end with be connected with first electrically conductive device and second electrically conductive device respectively, two temperature sensor install at the furnace body inner wall, controller, total switch, two solid state relays, temperature setting module pass through fastening bolt and install in the protective housing, the protective housing is fixed in furnace body side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021091852.3U CN212609595U (en) | 2020-06-15 | 2020-06-15 | Fluorination furnace temperature rising and heat preservation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021091852.3U CN212609595U (en) | 2020-06-15 | 2020-06-15 | Fluorination furnace temperature rising and heat preservation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212609595U true CN212609595U (en) | 2021-02-26 |
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ID=74717555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021091852.3U Active CN212609595U (en) | 2020-06-15 | 2020-06-15 | Fluorination furnace temperature rising and heat preservation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212609595U (en) |
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2020
- 2020-06-15 CN CN202021091852.3U patent/CN212609595U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fluorination furnace heating and insulation device Granted publication date: 20210226 Pledgee: Bank of China Limited Baotou Kundulun sub branch Pledgor: Baotou Zhongke rare earth Recycling Technology Co.,Ltd. Registration number: Y2024150000016 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |