CN203663718U - Novel continuous dissolver - Google Patents
Novel continuous dissolver Download PDFInfo
- Publication number
- CN203663718U CN203663718U CN201320807770.8U CN201320807770U CN203663718U CN 203663718 U CN203663718 U CN 203663718U CN 201320807770 U CN201320807770 U CN 201320807770U CN 203663718 U CN203663718 U CN 203663718U
- Authority
- CN
- China
- Prior art keywords
- cylindrical shell
- reaction zone
- lower reaction
- rong district
- rong
- 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.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 239000011343 solid material Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 229910052770 Uranium Inorganic materials 0.000 abstract description 6
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 239000003758 nuclear fuel Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000006166 lysate Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910002007 uranyl nitrate Inorganic materials 0.000 description 1
Images
Classifications
-
- 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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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model belongs to the technical field of uranium purification technology, particularly relates to a novel continuous dissolver and provides a U3O8 continuous and stable dissolver capable of being used for the nuclear fuel to cycle raw materials of natural uranium purification. The continuous dissolver comprises a lower reaction zone cylinder body (1), an upper continuous dissolving zone cylinder body (2), a discharge port (10), an empting port (11), a liquid level meter, a flower plate and filter screen (14) and electrical heating devices (15), wherein the lower reaction zone cylinder body (1) adopts a combined body of a cylindrical cylinder body and conical lower part; the electrical heating devices (15) are arranged on the outer sides of the lower reaction zone cylinder body (1); the empting port (11) is arranged at the lower end of the lower reaction zone cylinder body (1); the upper continuous dissolving zone cylinder body (2) adopts a cylindrical structure; the discharge port (10) is formed in the lower end of the upper continuous dissolving area cylinder body (2); the lower end of the liquid level meter is connected with the empting port (11); the lower reaction zone cylinder body (1) is connected with the upper continuous dissolving zone cylinder body (2) through flanges and screw nuts; the fixed flower plate and filter screen (14) is arranged between the lower reaction zone cylinder body and the upper continuous dissolving zone cylinder body.
Description
Technical field
The invention belongs to uranium purifying process technology technical field, be specifically related to a kind of new type of continuous dissolvers.
Background technology
Uranium purifying process mainly comprises U
3o
8the operations such as dissolving, abstraction purification, inspissation denitration, hydration reduction and vent gas treatment.At present, U
3o
8dissolution mechanism mainly contains batch (-type) and dissolves and continuous-dissolution.U at present
3o
8dissolution process mainly takes batch (-type) to dissolve, and its main equipment is pot type batch dissolver, and it is simple in structure, and reinforced and discharging and deslagging ratio are easier to realize, and does not exist to start and stop and occur dissolving the problems such as feed liquid is defective.But its equipment volume is larger, and automaticity is lower, and the feed liquid composition producing differs greatly, and brought certain impact to subsequent handling continuous and steady operation.
Continuous-dissolution has that equipment occupation space is little, labor intensity of operating staff is low and the composition of lysate is comparatively constant, exhaust velocity stable higher without gas peak, efficiency, be easy to control, can realize the advantages such as system continuous and steady operation.But also do not carry out performance study and industrial Enlargement Design for the key equipment dissolvers of dissolution process at present, in order to improve the integrated artistic technical merit of planning to build uranium purifying conversion production line, need a kind of dissolved efficiency of exploratory development badly high, and there is the U of good operation stability
3o
8dissolvers.
The utility model, in conjunction with continuous-dissolution technique, continuous-dissolution device finding, bases oneself upon existing achievement in research and has carried out U
3o
8design, development and the continuous-dissolution experimental study project of continuous-dissolution device, set up continuous-dissolution process system, carries out U
3o
8continuous-dissolution test.
Summary of the invention
The object of the invention is, for prior art deficiency, provide a kind of U
3o
8can be used for continuous, the stabilizing dissolved device of nuclear fuel cycle natural uranium purified feed stock.
Technical scheme of the present invention is:
A kind of new type of continuous dissolvers, comprise lower reaction zone cylindrical shell, Ji Rong district, top cylindrical shell, discharging opening, turned letter mouth, liquid level gauge, card and screen pack and electric heater unit, described lower reaction zone cylindrical shell is the combination of cylinder stack shell and cone lower curtate, and its outside is provided with electric heater unit; Described turned letter mouth is located at cylindrical shell lower end, lower reaction zone; Described Ji Rong district, top cylindrical shell is cylindrical structure, and its lower end is provided with discharging opening; Described liquid level gauge lower end is connected with turned letter mouthful; Between lower reaction zone cylindrical shell and Ji Rong district, top cylindrical shell, be connected by flange, nut, in the middle of two cylindrical shells, be provided with fixing card and screen pack.
Described lower reaction zone cylindrical shell comprises reaction zone inner core and cooling endless tube, lower reaction zone cylindrical shell and reaction zone inner core bottom welding, cooling endless tube is fixed on the fixed support device of lower reaction zone inner barrel, and its entrance end passes lower reaction zone cylinder lateral wall and seals with lower reaction zone barrel soldering.
Described Ji Rong district, top cylindrical shell comprises Ji Rong district inner core, tail gas outlet, presses the empty empty endless tube that stirs of entrance, solid material feed pipe, solvent feed pipe and pressure that stirs, in described Ji Rong district cylindrical shell, Ji Rong district inner core is installed, Ji Rong district inner core and card and screen pack welding, cylindrical shell upper end, Ji Rong district, top has tail gas outlet; Solid material feed pipe upper end is welded on cylindrical shell top, Ji Rong district, top and has feeding-in solid body mouth through cylindrical shell upper end, Ji Rong district, top, and its pipe shaft runs through lower reaction zone cylindrical shell, top Ji Rong district cylindrical shell and card and screen pack inserts in reaction zone inner core; Solvent feed pipe upper end is welded on cylindrical shell top, Ji Rong district, top and has solvent feed mouth through cylindrical shell upper end, Ji Rong district, top, and its pipe shaft runs through lower reaction zone cylindrical shell, top Ji Rong district cylindrical shell and card and screen pack inserts in reaction zone inner core; Press the empty endless tube upper end of stirring be welded on cylindrical shell top, Ji Rong district, top and have and press the empty entrance that stirs through cylindrical shell upper end, Ji Rong district, top, its pipe shaft runs through lower reaction zone cylindrical shell, top Ji Rong district cylindrical shell and card and screen pack is around in reaction zone inner core outside circlewise.
The invention has the beneficial effects as follows:
1. at conversion zone, inner core is set, and the empty stirring of pressure is set in bottom, impel feed liquid at reaction zone baffling, increase stroke;
2. in upper cavity, inner core is set, with conversion zone junction, demister is not set, make the inner potential difference that forms of dissolvers, realize smooth and easy discharging;
3.U
3o
8solid, solubilising reagent all adopt bottom feed, have avoided material to go out dissolver with air-flow carrier band, have reduced the loss of material.
Accompanying drawing explanation
Fig. 1 is continuous-dissolution device structural representation;
In figure: 1. lower reaction zone cylindrical shell; 2. top Ji Rong district cylindrical shell; 3. reaction zone inner core; 4.Ji Rong district inner core; 5. tail gas outlet; 6. press the empty entrance that stirs; 7. solid material import; 8. solvent inlet; 9. press the empty endless tube that stirs; 10. discharging opening; 11. turned letters mouthful; 12. liquid level gauges; 13. cooling endless tubes; 14. cards and screen pack; 15. electric heater units.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the processing method of a kind of multiple tracks spectral measurement to the present invention's proposition is further introduced:
A kind of new type of continuous dissolvers, comprise lower reaction zone cylindrical shell 1, Ji Rong district, top cylindrical shell 2, discharging opening 10, turned letter mouth 11, liquid level gauge 12, card and screen pack 14 and electric heater unit 15, described lower reaction zone cylindrical shell 1 is the combination of cylinder stack shell and cone lower curtate, and its outside is provided with electric heater unit 15; Described turned letter mouth 11 is located at lower reaction zone cylindrical shell 1 lower end; Described Ji Rong district, top cylindrical shell 2 is cylindrical structure, and its lower end is provided with discharging opening 10; Described liquid level gauge 12 lower ends are connected with turned letter mouth 11; Between lower reaction zone cylindrical shell 1 and Ji Rong district, top cylindrical shell 2, be connected by flange, nut, in the middle of two cylindrical shells, be provided with fixing card and screen pack 14.
Described lower reaction zone cylindrical shell 1 comprises reaction zone inner core 3 and cooling endless tube 13, lower reaction zone cylindrical shell 1 and reaction zone inner core 3 bottom weldings, cooling endless tube 13 is fixed on the fixed support device of lower reaction zone cylindrical shell 1 inside, its entrance end through lower reaction zone cylindrical shell 1 sidewall and with lower reaction zone cylindrical shell 1 welded seal.
Described Ji Rong district, top cylindrical shell 2 comprises Ji Rong district inner core 4, tail gas outlet 5, presses the empty empty endless tube 9 that stirs of entrance 6, solid material feed pipe 7, solvent feed pipe 8 and pressure that stirs, in described Ji Rong district cylindrical shell 2, Ji Rong district inner core 4 is installed, Ji Rong district inner core 4 welds with card and screen pack 14, and cylindrical shell 2 upper ends, Ji Rong district, top have tail gas outlet 5; Solid material feed pipe 7 upper ends are welded on cylindrical shell 2 tops, Ji Rong district, top and have feeding-in solid body mouth through cylindrical shell 2 upper ends, Ji Rong district, top, and its pipe shaft runs through lower reaction zone cylindrical shell 1, Ji Rong district, top cylindrical shell 2 and card and screen pack 14 inserts in reaction zone inner core 3; Solvent feed pipe 8 upper ends are welded on cylindrical shell 2 tops, Ji Rong district, top and have solvent feed mouth through cylindrical shell 2 upper ends, Ji Rong district, top, and its pipe shaft runs through lower reaction zone cylindrical shell 1, Ji Rong district, top cylindrical shell 2 and card and screen pack 14 inserts in reaction zone inner core 3; Press empty endless tube 9 upper ends of stirring be welded on cylindrical shell 2 tops, Ji Rong district, top and have and press the empty entrance 6 that stirs through cylindrical shell 2 upper ends, Ji Rong district, top, its pipe shaft runs through lower reaction zone cylindrical shell 1, Ji Rong district, top cylindrical shell 2 and card and screen pack 14 is around in reaction zone inner core 3 outsides circlewise.
Dissolvers overall structure is cylinder, point upper and lower two parts.Bottom is main reaction region, its inside arranges inner core, solid material contacts in inner core with dissolving acid and reacts, react incomplete pressed powder and overflow from inner core top with lysate, under the effect of density contrast and gravity, flow downward, after empty stirring pressed in bottom, following feed liquid turns back again upwards mobile, pressed powder is followed feed liquid and just in dissolvers conversion zone, is formed baffling like this, and has increased the stroke of feed liquid, makes solid-liquid two-phase abundant haptoreaction in lower reaction zone.
Dissolvers middle part arranges screen pack, is to take and remove the mist of carrying secretly in tail gas out of with lysate for fear of pressed powder.In dissolvers outer setting, from siding temperaturing heating belt, inside arranges cooling coil effectively to control solubilizing reaction temperature.Dissolvers upper cavity arranges inner core and is directly connected with lower conversion zone, makes discharging smooth and easy to ensure enough potential differences.The uranyl nitrate solution generating like this can overcome the resistance that feed liquid forms by filter screen and fall under potential difference effect, flows out through middle part overflow pipe.
Claims (3)
1. a new type of continuous dissolvers, it is characterized in that: comprise lower reaction zone cylindrical shell (1), Ji Rong district, top cylindrical shell (2), discharging opening (10), turned letter mouthful (11), liquid level gauge (12), card and screen pack (14) and electric heater unit (15), described lower reaction zone cylindrical shell (1) is the combination of cylinder stack shell and cone lower curtate, and its outside is provided with electric heater unit (15); Described turned letter mouthful (11) is located at lower reaction zone cylindrical shell (1) lower end; Described Ji Rong district, top cylindrical shell (2) is cylindrical structure, and its lower end is provided with discharging opening (10); Described liquid level gauge (12) lower end is connected with turned letter mouthful (11); Between lower reaction zone cylindrical shell (1) and Ji Rong district, top cylindrical shell (2), be connected by flange, nut, in the middle of two cylindrical shells, be provided with fixing card and screen pack (14).
2. a kind of new type of continuous dissolvers as claimed in claim 1, it is characterized in that: described lower reaction zone cylindrical shell (1) comprises reaction zone inner core (3) and cooling endless tube (13), lower reaction zone cylindrical shell (1) and reaction zone inner core (3) bottom welding, cooling endless tube (13) is fixed on the inner fixed support device of lower reaction zone cylindrical shell (1), its entrance end through lower reaction zone cylindrical shell (1) sidewall and with lower reaction zone cylindrical shell (1) welded seal.
3. a kind of new type of continuous dissolvers as claimed in claim 1, it is characterized in that: described Ji Rong district, top cylindrical shell (2) comprises Ji Rong district inner core (4), tail gas outlet (5), presses the empty empty endless tube (9) that stirs of entrance (6), solid material feed pipe (7), solvent feed pipe (8) and pressure that stirs, Ji Rong district inner core (4) is installed in described Ji Rong district cylindrical shell (2), Ji Rong district inner core (4) and card and screen pack (14) welding, Ji Rong district, top cylindrical shell (2) upper end has tail gas outlet (5); Solid material feed pipe (7) upper end is welded on Ji Rong district, top cylindrical shell (2) top and has feeding-in solid body mouth through Ji Rong district, top cylindrical shell (2) upper end, and its pipe shaft runs through lower reaction zone cylindrical shell (1), Ji Rong district, top cylindrical shell (2) and card and screen pack (14) inserts in reaction zone inner core (3); Solvent feed pipe (8) upper end is welded on Ji Rong district, top cylindrical shell (2) top and has solvent feed mouth through Ji Rong district, top cylindrical shell (2) upper end, and its pipe shaft runs through lower reaction zone cylindrical shell (1), Ji Rong district, top cylindrical shell (2) and card and screen pack (14) inserts in reaction zone inner core (3); Press empty endless tube (9) upper end of stirring be welded on Ji Rong district, top cylindrical shell (2) top and have and press the empty entrance (6) that stirs through Ji Rong district, top cylindrical shell (2) upper end, its pipe shaft runs through lower reaction zone cylindrical shell (1), Ji Rong district, top cylindrical shell (2) and card and screen pack (14) is around in reaction zone inner core (3) outside circlewise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807770.8U CN203663718U (en) | 2013-12-10 | 2013-12-10 | Novel continuous dissolver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807770.8U CN203663718U (en) | 2013-12-10 | 2013-12-10 | Novel continuous dissolver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203663718U true CN203663718U (en) | 2014-06-25 |
Family
ID=50960053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320807770.8U Expired - Lifetime CN203663718U (en) | 2013-12-10 | 2013-12-10 | Novel continuous dissolver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203663718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143365A (en) * | 2014-07-08 | 2014-11-12 | 中国核电工程有限公司 | Neutron poison sandwich structure with openings in continuous dissolver |
| CN105895176A (en) * | 2015-01-01 | 2016-08-24 | 杨宝光 | Spent fuel element segment consistency dissolver provided with spiral pushing device |
-
2013
- 2013-12-10 CN CN201320807770.8U patent/CN203663718U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143365A (en) * | 2014-07-08 | 2014-11-12 | 中国核电工程有限公司 | Neutron poison sandwich structure with openings in continuous dissolver |
| CN105895176A (en) * | 2015-01-01 | 2016-08-24 | 杨宝光 | Spent fuel element segment consistency dissolver provided with spiral pushing device |
| CN105895176B (en) * | 2015-01-01 | 2018-07-17 | 杨宝光 | A kind of spent fuel element section continuous-dissolution device with spiral-push device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
|
| CX01 | Expiry of patent term |