CN103143184A - Distillation apparatus - Google Patents
Distillation apparatus Download PDFInfo
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- CN103143184A CN103143184A CN2013100506428A CN201310050642A CN103143184A CN 103143184 A CN103143184 A CN 103143184A CN 2013100506428 A CN2013100506428 A CN 2013100506428A CN 201310050642 A CN201310050642 A CN 201310050642A CN 103143184 A CN103143184 A CN 103143184A
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- distilling apparatus
- cabin
- crucible
- sleeve
- distillation
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Abstract
The invention discloses a distillation apparatus. The distillation apparatus comprises a pedestal, a distillation chamber arranged on the pedestal, a top cover arranged at the top of the distillation chamber and used for gas entrance and discharge, and a heating device used for heating the distillation chamber, the heating device is sleeved outside the distillation chamber, a crucible assembly is fixedly arranged in the distillation chamber, and the bottom of the distillation chamber is connected with the pedestal and is connected with a vacuum pump through the pedestal. The distillation apparatus overcomes the disadvantages comprising no segmented temperature control, weak corrosion resistance, low recovery rate, severe material loss and environmental pollution in the prior art, and has the advantages of segmented temperature control, high recovery rate and strong corrosion resistance.
Description
Technical field
The present invention relates to a kind of distilling apparatus, it helps to improve high-temperature molten salt vacuum distillation process collection rate.
Background technology
Molten salt is the molten mass of inorganic salts, and normally alkali metal or alkaline-earth metal and halide, silicate, carbonate, nitrate and phosphate form.Fuse salt is due to the many character that is different from the aqueous solution being arranged, as the stability under high temperature, the low-vapor pressure in relative broad range, low viscosity, have the characteristics such as good electric conductivity and high thermal capacity and as the electrolyte of electroextraction metal and be used as the fuel solvent of homogeneous reactor and heat transfer medium etc. in nuclear industry.
The nuclear energy resource of present stage is mainly uranium ore, because natural uranium ore content is limited, thus be necessary to study other alternate resources, in case the energy demand of uranium ore when not enough.Thorium is considered to a kind of potential nuclear energy resource always, although natural thorium is not fissioner, but it can absorb neutron and be transformed into fissioner U-233, its performance is suitable with current the most general fission fuel U-235, can be by the thermal neutron induced fission, release energy, be referred to as the circulation of thorium uranium.
Fusedsalt reactor (MSR) is unique a kind of reactor take liquid as fuel in the 4th generation reactor type, be considered to the thorium uranium breeder reactor preferably that circulates, its fuel salt is the high temperature villiaumite, to produce a large amount of fission products in the fission reaction process, a lot of fission products have larger neutron cross section, be called as the neutron toxin, reactor is continued operation larger inhibition.These fuel salts use and just become after a period of time spentnuclear fuel, can not continue on for having reacted.But owing to still containing more fissioner in spentnuclear fuel, therefore best bet is by processing these spentnuclear fuels, separate the neutron toxin of fission product, reclaiming fissioner and supporting electrolyte and make it to re-use, thereby the raising fuel availability reduces costs and environmental contamination reduction.
Wherein a kind of method of processing spentnuclear fuel is to reclaim supporting electrolyte by distillating method.Its principle is separated according to the difference of each material relative volatility.Reclaim fused-salt carrier and adopt the way of distillation to separate, have the characteristics such as vapo(u)rizing temperature is high, the corrosivity of steam is strong, experiment shows that the common distilling apparatus rate of recovery is very low, approximately 20% left and right, loss of material is serious, is difficult to be applied to the distillation of this type of fuse salt (villiaumite, villaumite).There is no use or the sale of Related product on market, do not have more that sectional temperature-controlled, corrosion resistance is strong, the distilling apparatus of high-recovery.
Summary of the invention
The technical problem to be solved in the present invention is to overcome there is no in prior art that sectional temperature-controlled, corrosion resistance is strong, the rate of recovery is low, loss of material is serious and the shortcoming of contaminated environment, provide a kind of can be sectional temperature-controlled, have the strong distilling apparatus of high collection rate and corrosion resistance.
The present invention solves above-mentioned technical problem by following technical proposals:
The invention provides a kind of distilling apparatus, it distillation chamber and one that comprises that a base, is arranged on this base is arranged at the top cover that this top, distillation chamber is used for intake and exhaust, its characteristics are, this distilling apparatus comprises that also one is used for the heater in this distillation of heating chamber, this heater is sheathed on this outside, distillation chamber, this distillation is installed with a crucible assembly in the chamber, and the bottom in this distillation chamber connects with this base, and passes through this base and be connected with a vavuum pump.
Preferably, this heater is a segmented resistance furnace.
Preferably, this segmented resistance furnace vertical resistance furnace in two ends of comprising at least two series connection.
Preferably, this crucible assembly comprises sleeve, an evaporator crucible, collection crucible and a support that is provided with a cabin in a suspension rod;
Wherein, an end of this suspension rod is fixed in the top in this distillation chamber, and the other end of this suspension rod is connected with this sleeve, and this evaporator crucible is arranged in this cabin, and the bottom in this cabin offers some perforates; One end of this support is fixed in the bottom in this distillation chamber, and the other end of this support is used for shelving this collection crucible, makes the lower port of this sleeve collect crucible over against this.
Preferably, this distillation chamber comprises a cylindrical alundum tube and at least two water cooling plants, and the two ends up and down of this cylindrical alundum tube are arranged with respectively at least one this water cooling plant.
Preferably, this water cooling plant is water collar.
Preferably, this distilling apparatus also comprises a valve and a filter, and this valve and this filter are connected between this base and this vavuum pump successively.
Preferably, the bulkhead thickness in this cabin is 2mm-4mm; The barrel thickness of this sleeve is 0.4mm-1.2mm.
Preferably, this cabin is a circular cylindrical cavity, and the upper end of this sleeve is cylindrical and the lower end is the taper that has osculum, and the upper end inside thread of the outside in this cabin and this sleeve is fixed.
Preferably, this evaporator crucible is cylindrical, and this cylindrical size is less than this cabin.
Preferably, this support is provided with a knob, and this knob is used for regulating the height of this support.
Preferably, this top cover is provided with an air inlet and a gas vent, and the external Pressure gauge of this top cover.
Preferably, this evaporator crucible, this cabin, this sleeve and this suspension rod are metal alloy compositions and make.
On the basis that meets this area general knowledge, above-mentioned each optimum condition, but any combination namely get the preferred embodiments of the invention.
Positive progressive effect of the present invention is: the present invention has overcome does not have in the prior art that sectional temperature-controlled, corrosion resistance is strong, collection rate is low, loss of material is serious and the shortcoming of contaminated environment.Provide a kind of can be sectional temperature-controlled, have the strong distilling apparatus of high collection rate and corrosion resistance.
Description of drawings
Fig. 1 is the structural representation of the distilling apparatus in embodiments of the invention.
Fig. 2 is the generalized section in the cabin of the distilling apparatus in embodiments of the invention.
Fig. 3 is the top view in the cabin of the distilling apparatus in embodiments of the invention.
Fig. 4 is the generalized section of the suspension rod of the distilling apparatus in embodiments of the invention.
Fig. 5 is the structural representation of the support of the distilling apparatus in embodiments of the invention.
The specific embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
As shown in Figure 1, one distilling apparatus, this distilling apparatus comprise a top cover 1, two water cooling plants 2, an alundum tube 3, a heater 4, a suspension rod 5, a cabin 6, an evaporator crucible 7, sleeves 8, a collection crucible 9, a support 10, a valve 11, a filter 12 and vavuum pumps 13.In the present embodiment, those water cooling plants 2 are water collar, are sheathed on respectively the two ends up and down of this alundum tube 3; The bulkhead thickness in this cabin 6 is 3mm, and the barrel thickness of this sleeve 8 is 1mm; This cabin 6, this sleeve 8 and this evaporator crucible 7 are circular cylindrical cavity, and wherein the lower end of this sleeve 8 is the taper that has osculum, and the size of this evaporator crucible 7 is less than this cabin 6; This suspension rod 5, this cabin 6, this evaporator crucible 7 and this sleeve 8 are metal alloy compositions and make.
In use, first this alundum tube 3 is placed on a base, this base is communicated with this alundum tube 3, and this base also is connected with this valve 11, this filter 12 and this vavuum pump 13 successively simultaneously; The lower end of this alundum tube 3 and this base junction are provided with this water collar, are used for the lower end of cooling this alundum tube; Be provided with this support 10 in the bottom of this alundum tube 3, the top of this support 10 is shelved with this collection crucible 9, and this support 10 can be by being arranged at knob 101(such as the Fig. 5 on this support 10), regulate the height of this support 10.
At this overhung one crucible assembly of collecting crucible 9, this crucible assembly comprises this suspension rod 5, this cabin 6, this evaporator crucible 7 and this sleeve 8; As shown in Figure 3, this evaporator crucible 7 is arranged at the bottom 64 in this cabin 6, is used for holding the raw material of distillation, the bottom in this cabin 6 is provided with some perforates 63, the effect of those perforates 63 is, when the raw materials evaporate of distillation forms the gas of distillation, can discharge this cabin 6 by those perforates 63.It will be appreciated by those skilled in the art that, make this evaporator crucible 7 can be positioned over the bottom in this cabin 6, the diameter of those perforates should be greater than the diameter of this evaporator crucible 7.As shown in Figure 2, the open-topped inboard in this cabin 6 has screw thread 61, this screw thread 61 is used for screw thread 51(such as the Fig. 4 with this suspension rod 5) be spirally connected, after being spirally connected the open top in this cabin 6 sealed, this moment, gas can only be discharged this cabin 6 by those perforates 63 in this cabin 6.The outside of these cabin 6 top open parts also has screw socket 62(such as Fig. 2), can be spirally connected with screw and this sleeve 8 that is set in these 6 outsides, cabin by this screw socket 62, after being spirally connected, the open top of this sleeve 8 is sealed, this moment, the material in this sleeve 8 can only be discharged this sleeve 8 by the tapered opening of this sleeve 8 lower ends, and hang on the top of this collection crucible 9 due to this sleeve 8, the liquid in this sleeve 8 can flow into along the direction of this tapered opening in this collection crucible 9.The top of this suspension rod 5 is provided with aperture 52(such as a Fig. 4), this suspension rod 5 is connected with this top cover 1 by this aperture 52, makes this crucible assembly can hang between this top cover 1 and this collection crucible 9.1 top that is positioned over this alundum tube 3 of this top cover, the junction between this top cover 1 and this alundum tube 3 is provided with this water collar 2.
It will be appreciated by those skilled in the art that, make this collection crucible 9 collect preferably the interior material of this sleeve 8, a rational distance should be arranged between the lower ending opening of this collection crucible 9 and this sleeve 8.
As shown in Figure 1, be provided with this heater 4 in the periphery of this alundum tube 3, this heater 4 is the vertical resistance furnace in two ends of two series connection in the present embodiment, by adjusting the middle position of the vertical resistance furnace in two ends that this evaporator crucible 7 and this collection crucible 9 lay respectively at two series connection, design temperature take the temperature that guarantees this evaporator crucible 7 and this collection crucible 9 as those resistance furnaces guarantees that experiment can carry out under design temperature.Wherein, superposed resistance furnace is used for heating evaporation, the resistance furnace that is positioned at the bottom is used for condensation and reclaims, due in the fused salt test, the melting temperature of fused salt is generally more than 400 ℃, for guaranteeing that fused salt steam forms fused salt stream and is not set on the barrel of this sleeve 8 in the resistance furnace of bottom, need the resistance furnace heating to remain on above 50 ℃ of fusing point, so the temperature general control of resistance furnace that is positioned at the bottom is at 400 ℃-700 ℃.
Be provided with an air inlet, a gas vent and a Pressure gauge on this top cover 1, this air inlet connects the inert gas pipeline, can make to keep atmosphere of inert gases in this distilling apparatus; This gas vent closes to avoid introducing this distilling apparatus of air corrosion in experimentation, keeps simultaneously certain pressure environment in this distilling apparatus.Experiment is opened this gas vent release pressure after finishing.This Pressure gauge is used for the pressure of this distilling apparatus of real-time monitored inside.
In use, need this top cover 1 stuck sealing of use clip, and be closed in the porting on this top cover 1, needed vacuum range is set, opening this vavuum pump 13 makes in this alundum tube 3 and reaches needed vacuum, then start those resistance furnace heating by design temperature, wherein be positioned at top, the resistance furnace design temperature that namely heats this evaporator crucible 7 is higher, be positioned at the bottom, the resistance furnace temperature that namely heats this collection crucible 9 is lower, and laboratory sample can evaporate and condensation is collected in and collects in crucible like this, completes distillation.Can regulate the pressure of this distilling apparatus by the aperture of this valve 11, and this filter 12 is used for further making uncooled steam-condensation become solid, prevents that steam from entering this vavuum pump 13.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art can make various changes or modifications to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (13)
1. distilling apparatus, it distillation chamber and one that comprises that a base, is arranged on this base is arranged at the top cover that this top, distillation chamber is used for intake and exhaust, it is characterized in that, this distilling apparatus comprises that also one is used for the heater in this distillation of heating chamber, this heater is sheathed on this outside, distillation chamber, this distillation is installed with a crucible assembly in the chamber, and the bottom in this distillation chamber connects with this base, and passes through this base and be connected with a vavuum pump.
2. distilling apparatus as claimed in claim 1, is characterized in that, this heater is a segmented resistance furnace.
3. distilling apparatus as claimed in claim 2, is characterized in that, the vertical resistance furnace in two ends that this segmented resistance furnace comprises at least two series connection.
4. distilling apparatus as claimed in claim 1, is characterized in that, this crucible assembly comprises sleeve, an evaporator crucible, collection crucible and a support that is provided with a cabin in a suspension rod;
Wherein, an end of this suspension rod is fixed in the top in this distillation chamber, and the other end of this suspension rod is connected with this sleeve, and this evaporator crucible is arranged in this cabin, and the bottom in this cabin offers some perforates; One end of this support is fixed in the bottom in this distillation chamber, and the other end of this support is used for shelving this collection crucible, makes the lower port of this sleeve collect crucible over against this.
5. distilling apparatus as claimed in claim 1, is characterized in that, this distillation chamber comprises a cylindrical alundum tube and at least two water cooling plants, and the two ends up and down of this cylindrical alundum tube are arranged with respectively at least one this water cooling plant.
6. distilling apparatus as claimed in claim 5, is characterized in that, this water cooling plant is water collar.
7. distilling apparatus as claimed in claim 1, is characterized in that, this distilling apparatus also comprises a valve and a filter, and this valve and this filter are connected between this base and this vavuum pump successively.
8. distilling apparatus as claimed in claim 4, is characterized in that, the bulkhead thickness in this cabin is 2mm-4mm; The barrel thickness of this sleeve is 0.4mm-1.2mm.
9. distilling apparatus as claimed in claim 4, is characterized in that, this cabin is a circular cylindrical cavity, and the upper end of this sleeve is cylindrical and the lower end is the taper that has osculum, and the upper end inside thread of the outside in this cabin and this sleeve is fixed.
10. distilling apparatus as claimed in claim 4, is characterized in that, this evaporator crucible is cylindrical, and this cylindrical size is less than this cabin.
11. distilling apparatus as claimed in claim 4 is characterized in that, this support is provided with a knob, and this knob is used for regulating the height of this support.
12. distilling apparatus as claimed in claim 1 is characterized in that, this top cover is provided with an air inlet and a gas vent, and the external Pressure gauge of this top cover.
13. as the described distilling apparatus of claim 4-12 any one, it is characterized in that, this evaporator crucible, this cabin, this sleeve and this suspension rod are metal alloy compositions and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050642.8A CN103143184B (en) | 2013-02-07 | 2013-02-07 | Distillation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310050642.8A CN103143184B (en) | 2013-02-07 | 2013-02-07 | Distillation apparatus |
Publications (2)
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| CN103143184A true CN103143184A (en) | 2013-06-12 |
| CN103143184B CN103143184B (en) | 2014-12-24 |
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| CN201310050642.8A Active CN103143184B (en) | 2013-02-07 | 2013-02-07 | Distillation apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107230506A (en) * | 2016-03-23 | 2017-10-03 | 中国科学院上海应用物理研究所 | Fused salt distilling apparatus and method |
| CN110446793A (en) * | 2017-04-11 | 2019-11-12 | 百多力股份公司 | For producing the device and method of the especially high-purity magnesium of purifying |
| 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 |
| CN113444895A (en) * | 2020-03-27 | 2021-09-28 | 核工业理化工程研究院 | Alkaline metal evaporation and filtration device and method |
| CN114917603A (en) * | 2022-05-13 | 2022-08-19 | 中国科学院上海应用物理研究所 | Molten salt distillation assembly, device and method for hot chamber |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106902526B (en) * | 2015-12-23 | 2019-06-14 | 中国科学院上海应用物理研究所 | High-temperature molten salt is bubbled evaporating separation device, application and Separation of Cs F method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107230506A (en) * | 2016-03-23 | 2017-10-03 | 中国科学院上海应用物理研究所 | Fused salt distilling apparatus and method |
| CN110446793A (en) * | 2017-04-11 | 2019-11-12 | 百多力股份公司 | For producing the device and method of the especially high-purity magnesium of purifying |
| CN110446793B (en) * | 2017-04-11 | 2022-01-04 | 百多力股份公司 | Apparatus and method for producing purified, in particular high-purity magnesium |
| CN113444895A (en) * | 2020-03-27 | 2021-09-28 | 核工业理化工程研究院 | Alkaline metal evaporation and filtration device and method |
| CN113444895B (en) * | 2020-03-27 | 2023-06-30 | 核工业理化工程研究院 | Alkaline metal evaporation and filtration device and method |
| 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 |
| CN112891973B (en) * | 2021-01-15 | 2022-09-13 | 中国科学院上海应用物理研究所 | Method for reducing oxygen content in halide molten salt |
| CN114917603A (en) * | 2022-05-13 | 2022-08-19 | 中国科学院上海应用物理研究所 | Molten salt distillation assembly, device and method for hot chamber |
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| CN103143184B (en) | 2014-12-24 |
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