CN107230506A - Fused salt distilling apparatus and method - Google Patents
Fused salt distilling apparatus and method Download PDFInfo
- Publication number
- CN107230506A CN107230506A CN201610169708.9A CN201610169708A CN107230506A CN 107230506 A CN107230506 A CN 107230506A CN 201610169708 A CN201610169708 A CN 201610169708A CN 107230506 A CN107230506 A CN 107230506A
- Authority
- CN
- China
- Prior art keywords
- crucible
- flange
- fused salt
- heater
- distilling apparatus
- 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.)
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
- G21C19/50—Reprocessing of irradiated fuel of irradiated fluid fuel, e.g. regeneration of fuels while the reactor is in operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/10—Vacuum distillation
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of fused salt distilling apparatus and method.The fused salt distilling apparatus includes retort and crucible, and the retort includes body of heater and is sealedly attached to the flange of the bottom of the body of heater, and the body of heater is fixed on the flange and in the furnace chamber around furnace chamber, the crucible is formed with；The fused salt distilling apparatus also includes inert atmosphere equipment and water-cooling system, and the inert atmosphere equipment is arranged at the lower section of the body of heater, and the water-cooling system is connected with the flange；Wherein, when the flange departs from the body of heater, the inside of the inert atmosphere equipment is connected with the furnace chamber.The present invention is by the way that the inert atmosphere equipment for providing inert ambient environment is used in conjunction with Distallation systm, poisonous or low-activity fused salt separated is set to turn into possible, and avoid some more sensitive fused salts and contacted with water oxygen and pollute, so as to obtain the product of distillation that low water oxygen content, quality are higher.
Description
Technical field
The present invention relates to the fused salt distilling apparatus in a kind of inert gas environment and method.
Background technology
Fusedsalt reactor (MSR) is unique a kind of reaction using liquid as fuel in forth generation reactor type
Heap, it is considered to be the preferable breeder reactor of Th U fuel cycle, its fuel salt is high temperature villiaumite, and supporting electrolyte is FLiBe；
It needs the online processing for carrying out fuel salt,, to remove fission product, reclaim after use after a while
Supporting electrolyte.The method of one of which processing fuel salt is to reclaim supporting electrolyte by distillating method, and its principle is
The difference of each material relative volatility.Because fused salt vapour pressure is relatively low, such as LiF steam at 1000 DEG C
Pressure is only 70Pa, it is therefore desirable to fused salt is distilled at higher temperature and vacuum, separates impurity；Generally
Distillating method be vacuum distillation.
Contain the more supervirulent BeF of tool in supporting electrolyte2, its dust can cause very big wound after being sucked by human body
Evil；And due to usually obtaining more dust after fused salt distillation, therefore in distillation and follow-up processing procedure
Isolated operation must be carried out, prevents operating personnel from directly contacting fused salt dust.In addition, a lot of other species
The hygroscopic deliquescence of fused salt or require that anaerobic is handled, to obtain the product of distillation of high-quality, therefore equally have
Necessity carries out distillation procedure in isolation condition.
The content of the invention
The technical problem to be solved in the present invention is to overcome the fused salt distilling apparatus and method of prior art
There is provided fused salt distilling apparatus and method in a kind of inert gas environment for the defect of shortage isolating and protecting measure.
The present invention is to solve above-mentioned technical problem by following technical proposals：
The invention provides a kind of fused salt distilling apparatus, including retort and crucible, the retort includes
Body of heater and the flange for the bottom for being sealedly attached to the body of heater, the body of heater are described around furnace chamber is formed with
Crucible is fixed on the flange and in the furnace chamber；
The fused salt distilling apparatus also includes inert atmosphere equipment, and the inert atmosphere equipment is arranged at described
The lower section of body of heater；
The fused salt distilling apparatus also includes water-cooling system, and the water-cooling system is connected with the flange；
Wherein, when the flange departs from the body of heater, the inside of the inert atmosphere equipment with it is described
Furnace chamber is connected.
It is preferred that the inert atmosphere equipment includes inert gas source and equipment cavity, the inert gas
Source is arranged at the outside of the equipment cavity and is connected by air supply pipe with the furnace chamber, the body of heater
Bottom at the top of the equipment cavity with being tightly connected, and the inside of the equipment cavity and the furnace chamber phase
Connection.
It is preferred that the flange is connected with lowering or hoisting gear, the lowering or hoisting gear is used to realize the flange
It is resisted against or departs from the bottom of the body of heater；
And/or, the flange is connected by rubber ring with the sealed bottom of the body of heater；
And/or, the outside wall surface cladding having heaters of the body of heater, the heating-up temperature that the heater can reach
Be room temperature to 1200 DEG C, typical temperature is set to 1000 DEG C of top, 600 DEG C of middle part.
It is preferred that the lowering or hoisting gear is connected through the equipment cavity with the flange, lowering or hoisting gear
Control main body be arranged on outside inert atmosphere, be easy to maintenance maintenance, while saving device interior space；Institute
State lowering or hoisting gear and the junction of the equipment cavity is provided with dynamic sealing, to avoid equipment during charge and discharge operations from leaking
Gas.
It is preferred that the crucible includes evaporator crucible, crucible holder and collects crucible, the collection earthenware
Crucible is fixed on the flange, and the evaporator crucible is fixed on the collection crucible by the crucible holder.
It is preferred that the water-cooling system includes Water-cooling circulating pump, water inlet pipe and outlet pipe, the water inlet pipe
It is connected with the outlet pipe through the equipment cavity and with the water cooling pipeline of the flange；The water cooling
System is used for cooling flange sealing ring, realizes the sealing of high temperature operating conditions lower chamber, while completely cut off heat,
Avoid inert atmosphere apparatus overheat.
It is preferred that the fused salt distilling apparatus also includes vacuum system, the vacuum system includes vavuum pump
And exhaust tube, the vavuum pump is connected with the furnace chamber by the exhaust tube, set on the exhaust tube
There is pipeline valve.
It is preferred that the exhaust tube is provided with the filter for filtering noxious dust；By true several times
Empty distillation test, small part salt fog or dust can be evacuated with vavuum pump, be built up in filter,
Its filter core is blocked, vacuum pumping is hindered, therefore filter element needs periodic replacement；The filter
Positioned at the inside of the equipment cavity, can directly in equipment cavity disassembling, assembling and replacing, be conveniently replaceable filter core
When personal protection.
Present invention also offers a kind of fused salt distillating method for applying fused salt distilling apparatus as described above,
The crucible includes evaporator crucible, crucible holder and collects crucible, and the collection crucible is fixed on described
Flange, the evaporator crucible is fixed on outside the collection crucible, the body of heater by the crucible holder
Wall coats having heaters, and the water-cooling system is connected by pipeline with the water cooling pipeline of the flange,
The fused salt distilling apparatus also includes vacuum system, and the vacuum system is connected by gas circuit with the furnace chamber
Logical, the fused salt distillating method comprises the following steps：
S1, the inert gas source is opened, make inert gas full of the furnace chamber and the equipment cavity
It is internal；
S2, loading distillation make the flange be connected with the furnace sealing in the evaporator crucible,
And the heater is adjusted to default operation temperature；
S3, the opening water-cooling system and the vacuum system, carry out fused salt distillation；
After S4, distillation terminate, the water-cooling system and the vacuum system are closed, the indifferent gas is opened
Body source is passed through inert gas, then opening the flange makes the flange depart from the body of heater, by the crucible
Taken out after interior product encapsulation.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, produce this hair
Bright each preferred embodiments.
The positive effect of the present invention is：The present invention passes through the indifferent gas by inert ambient environment is provided
Atmosphere equipment is used in conjunction with Distallation systm, realizes the isolating and protecting to operating personnel in distillation procedure, protects
Operating personnel make poisonous or low-activity fused salt distillation point from the influence of poisonous and hazardous distillation
From being possibly realized；Simultaneously as distillation procedure is carried out in inert gas environment, it is to avoid it is some more
Sensitive fused salt is contacted with water oxygen to be polluted, so as to obtain the steaming that low water oxygen content, quality are higher
Evaporate product.
Brief description of the drawings
Fig. 1 is the structural representation of the fused salt distilling apparatus of present pre-ferred embodiments.
Embodiment
The present invention is further illustrated below by the mode of embodiment, but is not therefore limited the present invention to
Among described scope of embodiments.
As shown in figure 1, a kind of fused salt distilling apparatus, including retort and crucible, the retort includes
Body of heater 11 and the flange 12 for the bottom for being sealedly attached to the body of heater, the body of heater 11 surround and are formed with stove
Chamber, the crucible is fixed on the flange 12 and in the furnace chamber；The fused salt distilling apparatus is also
Including inert atmosphere equipment, the inert atmosphere equipment is arranged at the lower section of the body of heater 11；It is described molten
Salt distilling apparatus also includes water-cooling system 6；Wherein, when the flange 12 departs from the body of heater 11,
The inside of the inert atmosphere equipment is connected with the furnace chamber.
The inert atmosphere equipment includes inert gas source 31 and equipment cavity 32, the inert gas source
31 are arranged at the outside of the equipment cavity 32 and are connected by air supply pipe with the furnace chamber, the stove
The bottom of body 11 and the top of the equipment cavity 32 are tightly connected, and the equipment cavity 32 is interior
Portion is connected with the furnace chamber.The equipment cavity 32 selects glove box.
The flange 12 is connected with lowering or hoisting gear 4, and the lowering or hoisting gear 4 is used to realize the flange
12 are resisted against or depart from the bottom of the body of heater 11；The flange 12 passes through rubber ring and the body of heater
11 sealed bottom connection；The outside wall surface cladding having heaters 5 of the body of heater 11.The lowering or hoisting gear 4
It is connected through the equipment cavity 32 with the flange 12, the lowering or hoisting gear 4 and the equipment cavity
The junction of body 32 is provided with dynamic sealing 8.
The crucible includes evaporator crucible 21, crucible holder 22 and collects crucible 23, the collection earthenware
Crucible 23 is fixed on the flange 12, and the evaporator crucible 21 is fixed on institute by the crucible holder 22
State collection crucible 23.
The water-cooling system 6 includes Water-cooling circulating pump, water inlet pipe and outlet pipe, the water inlet pipe and described
Outlet pipe is connected through the equipment cavity and with the water cooling pipeline of the flange.
The fused salt distilling apparatus also includes vacuum system, and the vacuum system includes vavuum pump 71 and taken out
Tracheae, the vavuum pump is connected by the exhaust tube with the furnace chamber, and the exhaust tube is provided with pipe
Road valve.The exhaust tube is provided with filter 72, and the filter is located at the inside of the equipment cavity.
In use, each operation passes through gloves operate interface to above-mentioned fused salt distilling apparatus in glove box
Carry out, the turnover inside device such as raw material and product is carried out by glove box transfer chamber.
The fused salt distillating method for applying above-mentioned fused salt distilling apparatus comprises the following steps：
S1, the opening inert gas source 31, make inert gas be full of the furnace chamber and the equipment cavity
The inside of body 32；
S2, open encapsulation fused salt simultaneously be fitted into evaporator crucible 21, according to shown in Fig. 1 by evaporator crucible 21,
Crucible holder 22, collection crucible 23 are placed on flange 12, and earthenware will be evaporated by lifting after placement is reliable
Crucible 21, crucible holder 22, collection crucible 23 and flange 12 rise together, until flange 12 and gloves
Stop rising after the cavity of body of heater 11 sealing above case, and adjust the heater 5 to default operation
Temperature, typical temperature is set to 1000 DEG C of top, 600 DEG C of middle part；
S3, check cavity seal and open vacuum system 7 carry out vacuum pumping, bottom open
Water-cooling system 6, while heater 5, the different parts of heating distillation cavity, carry out fused salt distillation；
Fused salt in evaporator crucible 21 is condensed, and flow into receipts by thermal evaporation on middle part distillation cavity inner wall
Collect in crucible 23；The end of distillation is judged by observing the vacuum of cavity in still-process, temperature change
Point；
After S4, distillation terminate, heater 5, water-cooling system 6 and vacuum system are closed, cavity is cooled to
Opening sampling operation is carried out after room temperature：Inert gas is filled with into cavity first to normal pressure, flange 12 is opened
Body of heater 11 is disengaged it from, operates lowering or hoisting gear 4 by evaporator crucible 21, crucible holder 22, collect crucible
23 and flange 12 drop to together in glove box, take out distillation residual salts, condensation collect salt.In gloves
Taken out after being encapsulated in case by transfer chamber.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and letter
Change description, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
Although the foregoing describing the embodiment of the present invention, those skilled in the art should manage
Solution, these are merely illustrative of, and protection scope of the present invention is defined by the appended claims.This
The technical staff in field, can be to these embodiment party on the premise of the principle and essence without departing substantially from the present invention
Formula makes various changes or modifications, but these changes and modification each fall within protection scope of the present invention.
Claims (9)
1. a kind of fused salt distilling apparatus, including retort and crucible, it is characterised in that the retort
Flange including body of heater He the bottom for being sealedly attached to the body of heater, the body of heater surrounds and is formed with furnace chamber,
The crucible is fixed on the flange and in the furnace chamber；
The fused salt distilling apparatus also includes inert atmosphere equipment, and the inert atmosphere equipment is arranged at described
The lower section of body of heater；
The fused salt distilling apparatus also includes water-cooling system, and the water-cooling system is connected with the flange；
Wherein, when the flange departs from the body of heater, the inside of the inert atmosphere equipment with it is described
Furnace chamber is connected.
2. fused salt distilling apparatus as claimed in claim 1, it is characterised in that the inert atmosphere is set
Standby to include inert gas source and equipment cavity, the inert gas source is arranged at the outside of the equipment cavity
And be connected by air supply pipe with the furnace chamber, the bottom of the body of heater and the top of the equipment cavity are close
Envelope is connected, and the inside of the equipment cavity is connected with the furnace chamber.
3. fused salt distilling apparatus as claimed in claim 2, it is characterised in that the flange and lifting
Device is connected, and the lowering or hoisting gear is used to realize that the flange is resisted against or departed from the bottom of the body of heater
Portion；
And/or, the flange is connected by rubber ring with the sealed bottom of the body of heater；
And/or, the outside wall surface cladding having heaters of the body of heater.
4. fused salt distilling apparatus as claimed in claim 3, it is characterised in that the lowering or hoisting gear is worn
Cross the equipment cavity with the flange to be connected, the lowering or hoisting gear and the junction of the equipment cavity
Provided with dynamic sealing.
5. fused salt distilling apparatus as claimed in claim 1, it is characterised in that the crucible includes steaming
Send out crucible, crucible holder and collect crucible, the collection crucible is fixed on the flange, the evaporation
Crucible is fixed on the collection crucible by the crucible holder.
6. fused salt distilling apparatus as claimed in claim 2, it is characterised in that the water-cooling system bag
Water-cooling circulating pump, water inlet pipe and outlet pipe are included, the water inlet pipe and the outlet pipe run through the equipment cavity
Body is simultaneously connected with the water cooling pipeline of the flange.
7. fused salt distilling apparatus as claimed in claim 2, it is characterised in that the fused salt distillation dress
Putting also includes vacuum system, and the vacuum system includes vavuum pump and exhaust tube, and the vavuum pump passes through institute
State exhaust tube with the furnace chamber to be connected, the exhaust tube is provided with pipeline valve.
8. fused salt distilling apparatus as claimed in claim 7, it is characterised in that set on the exhaust tube
There is filter, and the filter is located at the inside of the equipment cavity.
9. a kind of fused salt distillating method for applying fused salt distilling apparatus as claimed in claim 2, its
It is characterised by, the crucible includes evaporator crucible, crucible holder and collects crucible, the collection crucible
The flange is fixed on, the evaporator crucible is fixed on the collection crucible, institute by the crucible holder
The outside wall surface cladding having heaters of body of heater is stated, the water-cooling system passes through pipeline and the water cooling tube of the flange
Road is connected, and the fused salt distilling apparatus also includes vacuum system, and the vacuum system passes through gas circuit and institute
State furnace chamber to be connected, the fused salt distillating method comprises the following steps：
S1, the inert gas source is opened, make inert gas full of the furnace chamber and the equipment cavity
It is internal；
S2, loading distillation make the flange be connected with the furnace sealing in the evaporator crucible,
And the heater is adjusted to default operation temperature；
S3, the opening water-cooling system and the vacuum system, carry out fused salt distillation；
After S4, distillation terminate, the water-cooling system and the vacuum system are closed, the indifferent gas is opened
Body source is passed through inert gas, then opening the flange makes the flange depart from the body of heater, by the crucible
Taken out after interior product encapsulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169708.9A CN107230506A (en) | 2016-03-23 | 2016-03-23 | Fused salt distilling apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610169708.9A CN107230506A (en) | 2016-03-23 | 2016-03-23 | Fused salt distilling apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107230506A true CN107230506A (en) | 2017-10-03 |
Family
ID=59931518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610169708.9A Pending CN107230506A (en) | 2016-03-23 | 2016-03-23 | Fused salt distilling apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107230506A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758779A (en) * | 2019-03-18 | 2019-05-17 | 中国原子能科学研究院 | A kind of purification method of radioactivity electrolysis abraum salt |
| CN112891973A (en) * | 2021-01-15 | 2021-06-04 | 中国科学院上海应用物理研究所 | Method for reducing oxygen content in halide molten salt |
| US11931763B2 (en) | 2019-11-08 | 2024-03-19 | Abilene Christian University | Identifying and quantifying components in a high-melting-point liquid |
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|---|---|---|---|---|
| US7413634B1 (en) * | 2001-09-18 | 2008-08-19 | Mark W Napier | Distillation system |
| CN103143184A (en) * | 2013-02-07 | 2013-06-12 | 中国科学院上海应用物理研究所 | Distillation apparatus |
| CN203440069U (en) * | 2013-04-25 | 2014-02-19 | 中国科学院上海有机化学研究所 | Fusion furnace for preparing fused salt |
| CN104138668A (en) * | 2014-07-16 | 2014-11-12 | 中国科学院上海应用物理研究所 | Electromagnetic type fused salt evaporating method |
| CN204348859U (en) * | 2014-12-17 | 2015-05-20 | 华东师范大学 | Vacuum device for preparing nano zinc powder by using waste zinc-manganese battery |
| CN105369041A (en) * | 2015-12-15 | 2016-03-02 | 中国原子能科学研究院 | Sodium-potassium alloy vacuum distillation device |
-
2016
- 2016-03-23 CN CN201610169708.9A patent/CN107230506A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7413634B1 (en) * | 2001-09-18 | 2008-08-19 | Mark W Napier | Distillation system |
| CN103143184A (en) * | 2013-02-07 | 2013-06-12 | 中国科学院上海应用物理研究所 | Distillation apparatus |
| CN203440069U (en) * | 2013-04-25 | 2014-02-19 | 中国科学院上海有机化学研究所 | Fusion furnace for preparing fused salt |
| CN104138668A (en) * | 2014-07-16 | 2014-11-12 | 中国科学院上海应用物理研究所 | Electromagnetic type fused salt evaporating method |
| CN204348859U (en) * | 2014-12-17 | 2015-05-20 | 华东师范大学 | Vacuum device for preparing nano zinc powder by using waste zinc-manganese battery |
| CN105369041A (en) * | 2015-12-15 | 2016-03-02 | 中国原子能科学研究院 | Sodium-potassium alloy vacuum distillation device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758779A (en) * | 2019-03-18 | 2019-05-17 | 中国原子能科学研究院 | A kind of purification method of radioactivity electrolysis abraum salt |
| US11931763B2 (en) | 2019-11-08 | 2024-03-19 | Abilene Christian University | Identifying and quantifying components in a high-melting-point liquid |
| CN112891973A (en) * | 2021-01-15 | 2021-06-04 | 中国科学院上海应用物理研究所 | Method for reducing oxygen content in halide molten salt |
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Application publication date: 20171003 |
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