CN111115676A - Automatic change tombarthite oxide and fluoridize transformation system - Google Patents
Automatic change tombarthite oxide and fluoridize transformation system Download PDFInfo
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- CN111115676A CN111115676A CN201911353518.2A CN201911353518A CN111115676A CN 111115676 A CN111115676 A CN 111115676A CN 201911353518 A CN201911353518 A CN 201911353518A CN 111115676 A CN111115676 A CN 111115676A
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- fluorination
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- rare earth
- earth oxide
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- 230000009466 transformation Effects 0.000 title claims abstract description 8
- 230000008859 change Effects 0.000 title claims abstract description 5
- 238000003682 fluorination reaction Methods 0.000 claims abstract description 61
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000011084 recovery Methods 0.000 claims abstract description 31
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 46
- 238000006243 chemical reaction Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 13
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004334 fluoridation Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 239000000047 product Substances 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 9
- 230000033228 biological regulation Effects 0.000 abstract description 6
- 239000006227 byproduct Substances 0.000 abstract description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- -1 rare earth fluoride Chemical class 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 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model provides an automatic change rare earth oxide fluorination transformation system, including the loading district that sets gradually, the district of prepareeing material, fluoridize the district, the cooling space and the district of unloading, the loading district, the district of prepareeing material, fluoridize the district, the cooling space all progressively feeds through operation mechanism with the district of unloading, it is equipped with gas supply system, temperature control system, hydrofluoric acid recovery system and pressure regulation system to fluoridize the district, operation mechanism, gas supply system, temperature control system, hydrofluoric acid recovery system and pressure regulation system all with programme-controlled computer host communication connection. Can guarantee through this system that whole fluorination process goes on under the closed environment to guarantee the fluoride product and the good operational environment of stable quality, and can effectively retrieve byproduct hydrofluoric acid through this system, thereby prevent that hydrofluoric acid from discharging in the air and polluted environment, the while byproduct after retrieving can also carry out the reutilization, and can realize automated control through this system, has improved whole fluorination efficiency, has practiced thrift the cost of labor.
Description
Technical Field
The invention relates to an automatic rare earth oxide fluorination transformation system.
Background
The rare earth fluoride is a raw material used as molten salt in electrolytic metal, is prepared by a fluoridation transformation process of rare earth oxide, and is widely applied to surface treatment in the field of high-end magnetic materials. The traditional preparation process generally comprises an aqueous hydrofluoric acid process, a dry ammonium bifluoride mixed fluorination process and an anhydrous hydrogen fluoride gas phase heating reaction method which is widely adopted at present. The anhydrous hydrogen fluoride phase thermal reaction method is to prepare and produce rare earth fluoride by a chemical transformation principle.
The traditional equipment adopted by the existing anhydrous hydrogen fluoride phase heating reaction method has the main problems; 1) the equipment can not be closed when chemical reaction is carried out, the environmental pollution of a production post is serious, and the operation of staff is lack of safety guarantee. 2) The internal leakage of the chemical reaction forms vacuum loss, so that the temperature control of the process technology cannot be effectively maintained, the quality after fluorination is unstable, and the consumption of the hydrogen fluoride gas is over 1.5 times of the theoretical consumption. 3) The traditional equipment is simple and easy, the production is carried out in a single intermittent mode, the cyclic cycle of heating, gas filling temperature reaching, gas filling, natural cooling and final discharging of each furnace needs about 40 hours, the production efficiency is extremely low, and the fluorination power consumption is high. 4) The fluorinated by-product (hydrofluoric acid) is directly discharged into the air, and the working environment and the air quality of operators are seriously influenced. 5) The traditional equipment works in a frequent cold and hot state, the service life of the lining is shortened with the acceleration of anticorrosion measures, the lining needs to be replaced frequently, and the equipment loss is large. The reliability is low. 6) The fluorinated product has low material consumption and yield, and the waste of rare earth resources is seriously influenced. Therefore, environmental protection production and stable quality output of fluoride products cannot be achieved, market advantages are lacked, and enterprise development is affected.
Disclosure of Invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides an automated rare earth oxide fluorination conversion system.
The technical scheme for solving the technical problem is as follows: the utility model provides an automatic change rare earth oxide and fluoridize transformation system, is including the loading district that sets gradually, prepare material the district, fluoridize district, cooling space and the district of unloading, loading district, prepare material the district, fluoridize district, cooling space and the district of unloading all progressively pay-off through operation mechanism, the district of fluoridizing be equipped with gas supply system, temperature control system, hydrofluoric acid recovery system and pressure regulation system, operation mechanism, gas supply system, temperature control system, hydrofluoric acid recovery system and pressure regulation system all with programme-controlled computer host communication connection.
Furthermore, the operation mechanism comprises an operation track, the operation track is connected with an operation motor, and a tray for placing rare earth oxide is arranged in the operation track.
Furthermore, the loading area, the material preparation area, the fluorination area, the cooling area and the unloading area are all provided with lifting doors for opening and closing, and the lifting doors are in communication connection with the program control computer host.
Furthermore, the gas supply system comprises a gas supply device and a gas pipe, wherein the gas supply device and the gas pipe are used for providing hydrogen fluoride gas, the gas pipe is respectively connected with the gas supply device and the fluorination area, and the gas supply device is in communication connection with the program control computer host.
Furthermore, the temperature control system comprises a plurality of heating wires and temperature sensing probes which are positioned in the fluorination zone, and the heating wires and the temperature sensing probes are respectively in communication connection with the program control computer host.
Furthermore, the hydrofluoric acid recovery system comprises a water supply device, a water supply pipe, a recovery pipe and a recovery device, wherein the recovery pipe is respectively connected with the fluorination area and the recovery device, the water supply pipe is respectively connected with the water supply device and the recovery pipe, and the water supply device is in communication connection with the program-controlled computer host.
Furthermore, the pressure regulating system comprises a vacuum air pump, the vacuum air pump is communicated with the fluorination area through a pressure pipe, and the vacuum air pump is in communication connection with the program control computer host.
Further, the device also comprises a weight sensing system, wherein the weight sensing system comprises a weight sensor positioned on the running track in the fluorination zone, and the weight sensor is in communication connection with the program-controlled computer host.
Furthermore, a heat insulation layer is arranged in the fluorination zone.
Furthermore, the linings of the feeding area, the material preparing area, the fluorination area, the cooling area and the discharging area are all made of corrosion-resistant materials.
The invention has the beneficial effects that: can guarantee through this system that whole fluorination process goes on under the closed environment, thereby guarantee fluoride product and good operational environment of stable quality, and can effectively retrieve byproduct hydrofluoric acid through this system, thereby prevent that hydrofluoric acid from discharging in the air and polluted environment, the while byproduct after retrieving can also carry out the reutilization, the sustainable recycle of the energy has been realized, and can realize full automation control through this system and need not through manual operation, whole fluorination efficiency has been improved, the cost of labor has been practiced thrift.
Drawings
FIG. 1 is an overall model diagram of the present invention.
FIG. 2 is a tree diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-2, an automatic rare earth oxide fluorination transformation system comprises a feeding area 1, a material preparation area 2, a fluorination area 3, a cooling area 4 and a discharging area 5 which are sequentially arranged, wherein the feeding area 1 is used for manual feeding of rare earth oxide, the material preparation area 2 is used for preparing fed rare earth oxide for subsequent use, the fluorination area 3 is a key area for reacting rare earth oxide and hydrogen fluoride gas under the condition of heating, the cooling area 4 is an area for cooling a product to a process condition temperature, and finally the product is discharged and arranged through the discharging area 5. In order to ensure the automatic work of the whole process, the feeding area 1, the material preparing area 2, the fluorination area 3, the cooling area 4 and the discharging area 5 all feed materials step by step through the operation mechanism 6. Fluorination district 3 be equipped with gas supply system 7, temperature control system 8, hydrofluoric acid recovery system 9 and pressure regulation system 10, thereby through being equipped with above-mentioned each system in fluorination district 3 and the hydrogen fluoride gas, reaction temperature and the pressure that carry out chemical reaction in fluorination district 3 all can obtain fine assurance, operating device 6, gas supply system 7, temperature control system 8, hydrofluoric acid recovery system 9 and pressure regulation system 10 all with programme-controlled computer system 11 communication connection. And the operation mechanism 6 and various systems can be controlled and adjusted through the program-controlled computer host 11.
In this embodiment, the operation mechanism 6 includes an operation rail 12, the operation rail 12 is connected to an operation motor 13, and a tray for placing rare earth oxide is disposed in the operation rail 12. When the operation mechanism 6 moves, the operation motor 13 drives the operation rail 12 to move, so that the material tray on the operation rail 12 moves to realize the transportation of the rare earth oxide, and the operation motor 13 is controlled by the program control computer host 11, so that the movement of the whole operation rail 12 can be controlled to realize the periodic stop of the operation rail 12.
In this embodiment, the loading area 1, the material preparation area 2, the fluorination area 3, the cooling area 4, and the unloading area 5 are all provided with a lifting door 14 for opening and closing, the lifting door 14 is in communication connection with a program-controlled host computer 11, and specifically, each lifting door 14 is respectively numbered as a first lifting door 15, a second lifting door 16, a third lifting door 17, and a fourth lifting door 18. During operation, all the lifting doors are firstly closed, after manual feeding is finished, the first lifting door 15 can be opened through the program control computer host 11, so that rare earth oxide raw materials are conveyed into the material preparation area 2 from the feeding area 1 through the operation mechanism 6, then the first lifting door 15 is closed, then the second lifting door 16 is continuously opened, the raw materials are conveyed into the fluorination area 3, then the second lifting door 16 is closed, so that all the lifting doors are closed when the raw materials are not conveyed, the fluorination area 3 is in a closed state, stable chemical reaction conditions in the fluorination area 3 are ensured, after the completion, the third lifting door 17 is opened, the product is conveyed to the cooling area 4, the third lifting door 17 is closed, so that the product is cooled to the process condition temperature in the cooling area 4, finally the fourth lifting door 18 is opened, the product is conveyed to the unloading area 5 for unloading, while the fourth lift gate 18 is closed.
In this embodiment, the gas supply system 7 includes a gas supply device 19 and a gas pipe 20 for providing hydrogen fluoride gas, the gas pipe 20 is connected to the gas supply device 19 and the fluorination region 3, respectively, and the gas supply device 19 is in communication connection with the host computer 11. The hydrogen fluoride gas required by the reaction can be discharged into the fluorination area 3 through the gas pipe 20 by the gas supply device 19, the supply of the hydrogen fluoride gas required by the reaction is ensured, and the gas supply device 19 is controlled by the program control computer host 11, so that the hydrogen fluoride gas with controllable measurement can be provided.
In this embodiment, the temperature control system 8 includes a plurality of heating wires 21 and a temperature sensing probe 22 located in the fluorination zone 3, and the plurality of heating wires 21 and the temperature sensing probe 22 are respectively connected to the host computer 11 in a communication manner. The temperature sensing probe 22 can sense the temperature in the fluorination region 3 and feed back the temperature to the programmable computer host 11, and then the programmable computer host 11 controls the heating wire 21 to heat the temperature so as to ensure that the temperature in the fluorination region 3 reaches the temperature required by the chemical reaction.
In this embodiment, the hydrofluoric acid recovery system 9 includes a water supply device 23, a water supply pipe 24, a recovery pipe 25 and a recovery device 26, the recovery pipe 25 is respectively connected to the fluorination region 3 and the recovery device 26, the water supply pipe 24 is respectively connected to the water supply device 23 and the recovery pipe 25, and the water supply device 23 is in communication connection with the host computer 11. Need retrieve hydrofluoric acid gas after the chemical reaction finishes, so can discharge water into the recovery tube 25 through water supply pipe 24 through programme-controlled computer host 11 control water supply installation 23, the hydrofluoric acid gas in the district 3 fluoridizes meets the water formation hydrofluoric acid solution in the recovery tube 25 when passing through the recovery tube 25, discharge to recovery unit 26 in at last, thereby realize the recovery to hydrofluoric acid, and hydrofluoric acid solution can also carry out reutilization, the sustainable recycle of the energy has been realized, environmental pollution has still been prevented.
In this embodiment, the pressure regulating system 10 includes a vacuum pump 27, the vacuum pump 27 is connected to the fluorination region 3 through a pressure tube 28, and the vacuum pump 27 is connected to the host computer 11 in communication. The control of the air pressure in the fluorination region 3 can be realized by controlling the vacuum air pump 27 through the program-controlled computer host 11, so that the air in the fluorination region 3 is in a negative pressure state through the air pumping of the vacuum air pump, thereby meeting the pressure environment required by chemical reaction.
In this embodiment, a weight sensing system 29 is further included, wherein the weight sensing system includes a weight sensor 31 disposed on the operation rail 12 in the fluorination region 3, and the weight sensor 31 is communicatively connected to the host computer 11. The weight sensor 31 can feed back the weight to the program control computer host 11, so that the required hydrogen fluoride gas can be metered according to the weight of the rare earth oxide, the optimized metering and proportioning is realized, the raw materials are saved, and the product quality is ensured.
In this embodiment, a thermal insulating layer 30 is disposed in the fluorination zone 3. The heat dissipation in the fluorination zone 3 can be effectively prevented through the heat-insulating layer 30, the heat stability in the fluorination zone 3 is ensured, and the heating energy consumption required for maintaining the chemical reaction temperature in the fluorination zone 3 by the heating wire is reduced.
In this embodiment, the lining of the loading zone 1, the preparation zone 2, the fluorination zone 3, the cooling zone 4 and the unloading zone 5 are all corrosion resistant materials. Because the raw materials and the products are all strongly corrosive, the linings of all the areas are made of corrosion-resistant materials in order to ensure long-term use.
This embodiment is only one of the preferable embodiments of this patent, and any changes made without departing from the scope of this patent are within the scope of this patent.
Claims (10)
1. An automatic change rare earth oxide fluoridation transformation system which characterized in that: including the loading area that sets gradually, prepare material the district, fluoridize district, cooling space and the district of unloading, loading area, the district of preparing material, fluoridize district, cooling space and the district of unloading all progressively pay-off through operation mechanism, the district of fluoridizing be equipped with gas supply system, temperature control system, hydrofluoric acid recovery system and pressure governing system, operation mechanism, gas supply system, temperature control system, hydrofluoric acid recovery system and pressure governing system all with programme-controlled computer host communication connection.
2. The automated rare earth oxide fluorination conversion system of claim 1, wherein: the operation mechanism comprises an operation track, the operation track is connected with an operation motor, and a tray for placing rare earth oxide is arranged in the operation track.
3. The automated rare earth oxide fluorination conversion system of claim 1, wherein: and lifting doors for opening and closing are arranged among the feeding area, the material preparation area, the fluorination area, the cooling area and the discharging area, and the lifting doors are in communication connection with the program-controlled computer host.
4. The automated rare earth oxide fluorination conversion system of claim 1, wherein: the gas supply system comprises a gas supply device and a gas pipe, wherein the gas supply device and the gas pipe are used for providing hydrogen fluoride gas, the gas pipe is respectively connected with the gas supply device and the fluorination area, and the gas supply device is in communication connection with the program control computer host.
5. The automated rare earth oxide fluorination conversion system of claim 1, wherein: the temperature control system comprises a plurality of heating wires and temperature sensing probes which are positioned in the fluorination zone, and the heating wires and the temperature sensing probes are respectively in communication connection with the program control computer host.
6. The automated rare earth oxide fluorination conversion system of claim 1, wherein: the hydrofluoric acid recovery system comprises a water supply device, a water supply pipe, a recovery pipe and a recovery device, wherein the recovery pipe is respectively connected with the fluorination area and the recovery device, the water supply pipe is respectively connected with the water supply device and the recovery pipe, and the water supply device is in communication connection with the program-controlled computer host.
7. The automated rare earth oxide fluorination conversion system of claim 1, wherein: the pressure regulating system comprises a vacuum air pump, the vacuum air pump is communicated with the fluorination area through a pressure pipe, and the vacuum air pump is in communication connection with the program control computer host.
8. The automated rare earth oxide fluorination conversion system of claim 2, wherein: the weight sensor system comprises a weight sensor positioned on the running track in the fluorination zone, and the weight sensor is in communication connection with the program-controlled computer host.
9. The automated rare earth oxide fluorination conversion system of claim 1, wherein: and a heat insulation layer is arranged in the fluorination zone.
10. The automated rare earth oxide fluorination conversion system of any of claims 1 to 9, wherein: and the linings of the feeding area, the material preparing area, the fluorination area, the cooling area and the discharging area are all made of corrosion-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353518.2A CN111115676A (en) | 2019-12-25 | 2019-12-25 | Automatic change tombarthite oxide and fluoridize transformation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353518.2A CN111115676A (en) | 2019-12-25 | 2019-12-25 | Automatic change tombarthite oxide and fluoridize transformation system |
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| CN111115676A true CN111115676A (en) | 2020-05-08 |
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| CN201911353518.2A Pending CN111115676A (en) | 2019-12-25 | 2019-12-25 | Automatic change tombarthite oxide and fluoridize transformation system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200967834Y (en) * | 2006-11-01 | 2007-10-31 | 北京有色金属研究总院 | Rare-earth oxide continuous fluorination device |
| CN101700902A (en) * | 2009-11-04 | 2010-05-05 | 包头瑞达稀土材料有限公司 | Method for manufacturing rare earth fluoride |
| CN103910333A (en) * | 2013-01-08 | 2014-07-09 | 中核四0四有限公司 | Method for recovering hydrogen fluoride in hydrofluorination process tail gas |
| CN204454574U (en) * | 2015-01-15 | 2015-07-08 | 江苏永创化学有限公司 | Fluoridize the hydrogen fluoride retrieving arrangement in production system |
| JP2018108923A (en) * | 2016-12-30 | 2018-07-12 | 有研稀土新材料股▲フン▼有限公司 | Hydrogen-containing rare earth fluoride, production method thereof and use thereof |
| CN211570127U (en) * | 2019-12-25 | 2020-09-25 | 宁波复能新材料股份有限公司 | Automatic change tombarthite oxide and fluoridize transformation system |
-
2019
- 2019-12-25 CN CN201911353518.2A patent/CN111115676A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200967834Y (en) * | 2006-11-01 | 2007-10-31 | 北京有色金属研究总院 | Rare-earth oxide continuous fluorination device |
| CN101700902A (en) * | 2009-11-04 | 2010-05-05 | 包头瑞达稀土材料有限公司 | Method for manufacturing rare earth fluoride |
| CN103910333A (en) * | 2013-01-08 | 2014-07-09 | 中核四0四有限公司 | Method for recovering hydrogen fluoride in hydrofluorination process tail gas |
| CN204454574U (en) * | 2015-01-15 | 2015-07-08 | 江苏永创化学有限公司 | Fluoridize the hydrogen fluoride retrieving arrangement in production system |
| JP2018108923A (en) * | 2016-12-30 | 2018-07-12 | 有研稀土新材料股▲フン▼有限公司 | Hydrogen-containing rare earth fluoride, production method thereof and use thereof |
| CN211570127U (en) * | 2019-12-25 | 2020-09-25 | 宁波复能新材料股份有限公司 | Automatic change tombarthite oxide and fluoridize transformation system |
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Address after: 315336 No. 412, Binhai 6th Road, Hangzhou Bay New Area, Ningbo, Zhejiang Applicant after: Ningbo Funeng rare earth new material Co.,Ltd. Address before: 315336 No. 412, Binhai 6th Road, Hangzhou Bay New Area, Ningbo, Zhejiang Applicant before: NINGBO FUNENG NEW MATERIAL Co.,Ltd. |