CN104575650A - Radioactive iodine-131 steam treatment set - Google Patents
Radioactive iodine-131 steam treatment set Download PDFInfo
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- CN104575650A CN104575650A CN201510037460.6A CN201510037460A CN104575650A CN 104575650 A CN104575650 A CN 104575650A CN 201510037460 A CN201510037460 A CN 201510037460A CN 104575650 A CN104575650 A CN 104575650A
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- alkali absorption
- tail gas
- iodine
- bottle
- groove
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/02—Treating gases
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- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
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Abstract
The invention provides a radioactive iodine-131 steam treatment set. A production unit comprises an alkali absorption device, an adsorption device, a tail gas monitor, a vacuum pump and a thermostat. The alkali absorption device is disposed below the adsorption device and connected with the same. The adsorption device, the tail gas monitor and the vacuum pump are connected in order through a pipeline. The adsorption device is electrically connected with the thermostat. The radioactive iodine-131 steam treatment set allows iodine-131 steam generated in the production process of Na131I solution to be efficiently treated and allows the tail gas to be discharged within standard. functional parts for the treatment of iodine-131 steam, such as the alkali absorption part, the drying part and the activated carbon absorption part, are integrated, functions of adsorption column heat-degassing and tail gas monitoring are provided, the set is better in tightness, longer in service life, higher in iodine removal efficiency and higher in operating and running safety, and the risk caused by over-standard emission of the tail gas and staff taking more radiation dosage is decreased; the set is compact, small in size and more convenient to handle, use and maintain.
Description
Technical field
The invention belongs to radioactive isotope preparing technical field, be specifically related to a kind of radioactivity iodine-131 evaporation processing equipment.
Background technology
At present, the sodium iodide (Na of clinical nuclear medicine Clinics and Practices use
131i) and the raw material of iodine-131 cachet pharmaceutical mainly come from from the TeO after reactor irradiation
2with from
235in the sliver potpourri of U, distillation is extracted.No matter take which kind of raw material and distillation mode (dry/wet) production radioactivity iodine-131, capital adopts the method process iodine-131 steam of alkali liquor absorption and active carbon adsorption, namely the radioactivity iodine-131 steam (generally using air as carrier gas) be distilled out is successively through sig water (as concentration is less than the NaOH solution of 0.5mol/L) absorption bottle and high alkali liquid (as concentration is greater than the NaOH solution of 4mol/L) absorption bottle, activated-charcoal column, iodine-131 in carrier gas is by multistage trapping, wherein can be recycled by the most iodine-131 (higher than 95%) that sig water absorbs, remaining iodine-131 is absorbed/absorption by concentrated base absorbing liquid and active carbon adsorption column, and as Radwastes treatment.
At home, the invention provides unit-Inst. of Nuclear Physics and Chemistry, Chinese Engineering Physics Research Ins, and China Atomic Energy Science Research Institute, Chinese nuclear power research institute, all once at Na
131multistage Alkali absorption and charcoal absorption method process iodine-131 steam is adopted in I production technology.At present, the radioactivity iodine-131 evaporation processing equipment be connected with distilling apparatus of open report, connected by plastic tube or emulsion tube by functional parts such as multiple independently Alkali absorption bottle, activated-charcoal column, valves, and these functional parts mostly are glass material, these parts must to be fixed on successively side by side on iron stand to facilitate Robot actions and to ensure handling safety.The volume of these iodine-131 evaporation processing equipments is larger, often need the useful space occupying at least 2 sword formula Robot actions positions in shielding work box, and the parts of glass material handling and use procedure in easy damaged outside, and connecting components plastic tube used or emulsion tube easy season cracking under the gamma-rays Long-Duration Exposure of high strength iodine-131, flow rate of carrier gas instability and iodine vapor is often caused to leak, and to speckling with the aged plastics pipe of radioactivity iodine-131 or emulsion tube and cumbersome to the replacing of inefficacy activated charcoal etc., operating personnel can be subject to more irradiation dose.In addition, existing radioactivity iodine-131 evaporation processing equipment lacks the on-the-spot at-once monitor of adsorption effect to activated-charcoal column and radioactivity iodine-131 exhaust emissions, there is activated charcoal even to lose efficacy because saturated adsorption, the moisture absorption etc. cause adsorption efficiency to reduce, cause the risk of radioactivity iodine-131 tail gas discharge beyond standards.At present, not yet there is domestic unit to use and there is tail gas on-line monitoring function, and iodine is trapped the example report of the integrated radioactivity iodine-131 evaporation processing equipment of functional part.
Due to existing radioactivity iodine-131 evaporation processing equipment exist take shielding larger, the used plastic tube in work box valid function space or emulsion tube easy season cracking, pipeline and inefficacy activated charcoal etc. under the gamma-ray irradiation of long-time high dose radioactivity iodine-131 replacement operation trouble and staff by irradiation dose comparatively greatly, lack the adsorption effect of activated-charcoal column and the on-the-spot at-once monitor of exhaust emissions and cause radioactivity iodine-131 tail gas discharge beyond standards equivalent risk.In reality in the urgent need to compact conformation, process is efficient, operation is convenient, use safety and operational use time longer radioactivity iodine-131 evaporation processing equipment.
Summary of the invention
In order to the radioactivity iodine-131 evaporation processing equipment overcome in prior art take shielding work box valid function space larger, plastic tube used or emulsion tube be easy season cracking under the gamma-ray irradiation of long-time high dose radioactivity iodine-131, the replacement operation trouble of pipeline and inefficacy activated charcoal etc. and staff is larger by irradiation dose, lack the deficiency adsorption effect of activated-charcoal column and the on-the-spot at-once monitor of exhaust emissions being caused to radioactivity iodine-131 tail gas discharge beyond standards, the efficient process to radioactivity iodine-131 steam in the shielding work box that valid function space is less can be realized, conveniently reclaim the iodine-131 of major part (higher than 95%), and reach the object controlling radioactive contamination risk and tail gas qualified discharge, the invention provides a kind of radioactivity iodine-131 evaporation processing equipment.
Of the present invention have tail gas on-line monitoring function and the integrated radioactivity iodine-131 evaporation processing equipment of iodine trapping functional part, efficiently can process the tellurium dioxide (TeO from reactor activation
2) etc. the radioactivity iodine-131 steam that distills in raw material, and the iodine-131 wherein higher than 95% reclaimed be used for medical Na
131i solution is produced, and remaining radioactivity iodine-131 steam will be sanitised to environment qualified discharge.
Realize technical scheme of the present invention as follows:
Radioactivity iodine-131 evaporation processing equipment of the present invention, be characterized in, described treating apparatus comprises Alkali absorption device, adsorbent equipment, tail gas monitor, vacuum pump, temperature controller, its annexation is, described Alkali absorption device is placed in the below of adsorbent equipment and is connected with adsorbent equipment, adsorbent equipment, tail gas monitor, vacuum pump are connected successively by pipeline, and adsorbent equipment is electrically connected with temperature controller.
Described adsorbent equipment comprises adsorption column, dry post, connector, and its annexation is, described adsorption column, dry post are all connected with connector respectively by buckle.The lower end of described connector is provided with connector, is provided with gas outlet, interior connecting leg, outer connecting leg in connector, is provided with thermopair, heating rod, shim I, is provided with shim II in dry post in adsorption column.Described adsorption column is connected by interior connecting leg with dry post, and adsorption column is connected with tail gas monitor by gas outlet, and dry post is connected with outer connecting leg.Described thermopair, heating rod are electrically connected with temperature controller respectively.
Described Alkali absorption device comprises Alkali absorption groove, Alkali absorption bottle, and wherein, described Alkali absorption groove is cuboid, Alkali absorption bottle is inversed-cone shape, its annexation is, described Alkali absorption bottle is fixed on Alkali absorption groove, and Alkali absorption bottle part is placed in a lateral body of Alkali absorption groove.Described Alkali absorption bottle is provided with T-valve I, reinforced bottle I, iodine vapor inlet pipe, two-way valve, flowmeter, Alkali absorption bottle is connected with T-valve I, reinforced bottle I successively by pipeline, Alkali absorption bottle is also connected with two-way valve, flowmeter, Alkali absorption groove successively by pipeline, the external retort of iodine vapor inlet pipe.
The center of top of described Alkali absorption groove is provided with draw-in groove, the Alkali absorption groove of the corresponding side of Alkali absorption bottle is provided with reinforced bottle II, T-valve II, four-way valve, through hole, draw-in groove is connected with the connector of connector lower end, Alkali absorption groove is connected with T-valve II, reinforced bottle II successively by pipeline, vacuum pump is placed in through hole, and four-way valve is connected with tail gas monitor, vacuum pump respectively by pipeline.
Described tail gas monitor comprises the sampling pipe, detector, the scaler that connect successively, and sampling pipe is also connected respectively with gas outlet, four-way valve.
Radioactivity iodine-131 evaporation processing equipment of the present invention make use of
131i
2with the good Na of water generation reaction dissolubility of NaOH
131the compounds such as I, by gaseous state
131i
2change into liquid
131i
-(its primary chemical state is Na
131i), and adopt the drying agent such as anhydrous sodium sulfate, lime chloride to the tail gas processed after Alkali absorption, adopt and have the activated charcoal of good adsorption effect to carry out purified treatment to iodine vapor remaining in tail gas to iodine vapor, achieve Na
131efficient, the safe handling of radioactivity iodine-131 steam in I product processes, its concise and to the point principle of work is: under the power that vacuum pump provides, pass slowly Alkali absorption bottle, Alkali absorption groove, dry post, adsorption column and sampling pipe successively from retort radioactivity iodine-131 steam (carrier gas is air) out, and absorbed/absorption by alkali and activated charcoal; By the radioactivity in on-line measurement sampling pipe, judge the treatment effect of active carbon adsorption column and tail gas whether qualified discharge; As the suction iodine-131 alkali lye in the Alkali absorption bottle of recoverable with as the suction iodine-131 alkali lye in the Alkali absorption groove of refuse process, adopt negative pressure mode to be transferred to product bottle and waste liquid bottle respectively, and be transferred to appointed place use by other instrument or deposit.
The present invention adopts the radioactivity iodine-131 evaporation processing equipment of integrated structure design, the glass material that the original devices of material substitution such as the stainless steel of main employing radioresistance and acid-alkali-corrosive-resisting use in a large number and organic material, after adding Alkali absorption, tail gas is dry, the function of carbon column bake out and tail gas on-line monitoring, and Alkali absorption, dry, the functional part of active carbon adsorption etc. adopts snap to connect fast, significantly improve the installation of radioactivity iodine-131 evaporation processing equipment, use, the security safeguarded and convenience and structural compactness, a mechanical arm is only needed to complete all reinforced, the operation such as discharging and Valve controlling, extend the serviceable life of device (particularly activated-charcoal column), the radiation dose that when reducing maintenance and repair, staff is subject to and changing not in time because of activated charcoal, conduit deteriorates cracking etc. and cause radioactivity iodine-131 tail gas discharge beyond standards and pollute equivalent risk.
The present invention adopts the connection of stainless steel buckle and silicon rubber loop sealing means by integrated for multiple functional parts of radioactivity iodine-131 steam treated, and material of main part is stainless steel, avoid the valve of a large amount of glass materials, pipeline, absorption bottle, adsorption columns etc. are in installation and use, frangible in maintenance process, with must by valve, the functional parts such as absorption bottle are separately fixed at and occupy on the more experimental stand in work box valid function space so that mechanical arm safe operation, avoid plastic tube or the emulsion tube easy season cracking under the gamma-rays Long-Duration Exposure of high dose radioactivity iodine-131 connected between each functional part, and cause the poor stability of flow rate of carrier gas and iodine vapor to leak, and to speckling with the replacing of radioactivity iodine-131 pipeline and needing more complicated operation and more time to the replacing of inefficacy activated charcoal etc., the larger equivalent risk of the irradiation dose that staff is subject to, adopt online tail gas monitoring method, on-the-spot at-once monitor can be carried out to the radioactivity iodine-131 tail gas of the adsorption effect of activated-charcoal column and discharge, avoid because active carbon adsorption column saturated adsorption, the moisture absorption or other reason lost efficacy and cause radioactivity iodine-131 tail gas discharge beyond standards equivalent risk, adopt stainless steel or teflon valve and adopt with stainless steel pipes and be threaded or welding manner, the serviceable life of device can be significantly improved, reduce failure rate as far as possible.
Radioactivity iodine-131 evaporation processing equipment of the present invention is arranged to a kind of vertical type integral structure, can be implemented in the less shielding work box in valid function space and efficiently process radioactivity iodine-131 steam, the iodine-131 conveniently reclaiming major part (higher than 95%) is used for medical Na
131i solution is produced, and reaches the object controlling radioactive contamination risk and tail gas qualified discharge, improves the serviceable life of device, alleviates that staff installs, uses, the labour intensity of maintenance and be ionized the risk of radiation.The compact conformation of process units, security is good.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of radioactivity iodine-131 evaporation processing equipment of the present invention;
Fig. 2 is the structural representation of the adsorbent equipment in the present invention;
Fig. 3 is the structural representation of the Alkali absorption device in the present invention;
Fig. 4 is the structural representation of the tail gas monitor in the present invention;
In figure: 1. in dry post 8. connector 9. connector 10. gas outlet 11. of Alkali absorption device 2. adsorbent equipment 3. tail gas monitor 4. vacuum pump 5. temperature controller 6. adsorption column 7., reinforced bottle I 21. iodine vapor inlet pipe 22. two-way valve 23. flowmeter 24. draw-in groove 25. of connecting leg 12. outer connecting leg 13. thermopair 14. heating rod 15. shim I 16. shim II 17. Alkali absorption groove 18. Alkali absorption bottle 19. T-valve I 20. feeds in raw material bottle II 26. T-valve II 27. four-way valve 28. through hole 29. sampling pipe 30. detector 31. scaler.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1
Fig. 1 is the structured flowchart of radioactivity iodine-131 evaporation processing equipment of the present invention, Fig. 2 is the structural representation of the adsorbent equipment in the present invention, Fig. 3 is the structural representation of the Alkali absorption device in the present invention, and Fig. 4 is the structural representation of the tail gas monitor in the present invention.In Fig. 1 ~ Fig. 4, radioactivity iodine-131 evaporation processing equipment of the present invention, comprise Alkali absorption device 1, adsorbent equipment 2, tail gas monitor 3, vacuum pump 4, temperature controller 5, its annexation is, described Alkali absorption device 1 is placed in adopt below adsorbent equipment 2 and with adsorbent equipment 2 and is threaded, adsorbent equipment 2, tail gas monitor 3, vacuum pump 4 are connected successively by pipeline, and adsorbent equipment 2 is electrically connected with temperature controller 5.As shown in Figure 1.
Described adsorbent equipment 2 comprises adsorption column 6, dry post 7, connector 8, and its annexation is, described adsorption column 6, dry post 7 are all connected with connector 8 respectively by buckle.The lower end of described connector 8 is provided with connector 9, is provided with gas outlet 10, interior connecting leg 11, outer connecting leg 12 connecing in device 8, is provided with thermopair 13, heating rod 14, shim I 15, in dry post 7, is provided with shim II 16 in adsorption column 6.Described adsorption column 6 is connected by interior connecting leg 11 with dry post 7, and adsorption column 6 is connected with tail gas monitor 3 by gas outlet 10, and dry post 7 is connected with outer connecting leg 12.Described thermopair 13, heating rod 14 are electrically connected with temperature controller 5 respectively.As shown in Figure 2.
Described Alkali absorption device 1 comprises Alkali absorption groove 17, Alkali absorption bottle 18, wherein, described Alkali absorption groove 17 is cuboid, Alkali absorption bottle 18 is inversed-cone shape, its annexation is, described Alkali absorption bottle 18 is fixed on Alkali absorption groove 17, and Alkali absorption bottle 18 part is placed in a lateral body of Alkali absorption groove 17.Described Alkali absorption bottle 18 is provided with T-valve I 19, reinforced bottle I 20, iodine vapor inlet pipe 21, two-way valve 22, flowmeter 23, Alkali absorption bottle 18 is connected with T-valve I 19, reinforced bottle I 20 successively by pipeline, Alkali absorption bottle 18 is also connected with two-way valve 22, flowmeter 23, Alkali absorption groove 17 successively by pipeline, the external retort of iodine vapor inlet pipe 21.As shown in Figure 3.
The center of top of described Alkali absorption groove 17 is provided with draw-in groove 24, the Alkali absorption groove 17 of the corresponding side of Alkali absorption bottle 18 is provided with reinforced bottle II 25, T-valve II 26, four-way valve 27, through hole 28, draw-in groove 24 is connected with the connector 9 of connector 8 lower end, Alkali absorption groove 17 is connected with T-valve II 26, reinforced bottle II 25 successively by pipeline, vacuum pump 4 is placed in through hole 28, and four-way valve 27 is connected with tail gas monitor 3, vacuum pump 4 respectively by pipeline.As shown in Figure 3.
Described tail gas monitor 3 comprises the sampling pipe 29, detector 30, the scaler 31 that connect successively, and sampling pipe 29 is also connected respectively with gas outlet 10, four-way valve 27.As shown in Figure 4.
Workflow of the present invention is as follows, under air carrying band, Alkali absorption bottle 18 is entered through iodine vapor inlet pipe 21 from retort iodine-131 steam out, first (absorptivity is greater than 95%) is absorbed in a large number by the sig water (NaOH solution as 0.5mol/L) in Alkali absorption bottle 18, and then entering Alkali absorption groove 17 by two-way valve 22, gas meter 23 successively through pipeline, iodine-131 steam a small amount of in carrier gas is absorbed again by high alkali liquids (NaOH solution as 4mol/L) a large amount of in Alkali absorption groove 17; Tail gas after Alkali absorption process through draw-in groove 24, outer connecting leg 12, dry post 7, interior connecting leg 11, adsorption column 6, gas outlet 10, sampling pipe 29 and four-way valve 27, is discharged by vacuum pump 4 successively.In the process, the drying agent (as anhydrous sodium sulfate, lime chloride etc.) in the dried post 7 of tail gas is dry, and in tail gas, the radioiodine of trace is by the active carbon adsorption in adsorption column 6 and sampling pipe 29.The flow control of iodine vapor has been coordinated by the switch between valve with discharging with Alkali absorption groove 17, the reinforced of Alkali absorption bottle 18.By mechanical arm, sig water and high alkali liquid are filled into reinforced bottle I 20 and reinforced bottle II 25 respectively, open T-valve I 19 and T-valve II 26, sig water and high alkali liquid can be filled in Alkali absorption bottle 18 and Alkali absorption groove 17 respectively by pipeline.Pipeline adopts with the connection of valve, Alkali absorption groove and 18 Alkali absorption bottles 17 and is threaded or welds.
Temperature controller 5 controls the acticarbon heating in heating rod 14 pairs of adsorption columns 6 by thermopair 13, control heating-up temperature between 150 degree ~ 250 degree, effectively can remove water vapor and other volatile matter of active carbon adsorption, the suction iodine effect that acticarbon keeps good can be made, extend the mission life of adsorption column 6.At adsorption column 6 and dry post 7 inside, can multiple shim be set respectively, the flow path of tail gas in adsorption column 6 and dry post 7 can be extended, be conducive to the drying of tail gas and remove iodine efficiency.
The in-built activated charcoal of sampling pipe 29, be placed in the center of cylindrical detector 30, iodine-131 residual in tail gas is tightly held by activated carbon, and the gamma-rays of radioactivity iodine-131 is detected device 30 and is converted into electric signal, measured by scaler 31 again, obtain the activity value of radioactivity iodine-131 in sampling pipe 29.Staff can according to this activity value judge the content of radioactivity iodine-131 in tail gas whether exceed standard and activated charcoal in active carbon adsorption column 6 the need of replacing.Sampling pipe 29, detector 30, scaler 31 can be placed on outside work box, the interference of measuring sampling pipe 29 to prevent the ionising radiation of high dose and the impact on detector 30, scaler 31 serviceable life.
Claims (5)
1. radioactivity iodine-131 evaporation processing equipment, it is characterized in that: described treating apparatus comprises Alkali absorption device (1), adsorbent equipment (2), tail gas monitor (3), vacuum pump (4), temperature controller (5), its annexation is, described Alkali absorption device (1) is placed in the below of adsorbent equipment (2) and is connected with adsorbent equipment (2), adsorbent equipment (2), tail gas monitor (3), vacuum pump (4) are connected successively by pipeline, and adsorbent equipment (2) is electrically connected with temperature controller (5).
2. treating apparatus according to claim 1, it is characterized in that: described adsorbent equipment (2) comprises adsorption column (6), dry post (7), connector (8), its annexation is, described adsorption column (6), dry post (7) are all connected with connector (8) respectively by buckle; The lower end of described connector (8) is provided with connector (9), gas outlet (10), interior connecting leg (11), outer connecting leg (12) is provided with in connector (8), in adsorption column (6), be provided with thermopair (13), heating rod (14), shim I (15), in dry post (7), be provided with shim II (16); Described adsorption column (6) is connected by interior connecting leg (11) with dry post (7), and adsorption column (6) is connected with tail gas monitor (3) by gas outlet (10), and dry post (7) is connected with outer connecting leg (12); Described thermopair (13), heating rod (14) are electrically connected with temperature controller (5) respectively.
3. treating apparatus according to claim 1, it is characterized in that: described Alkali absorption device (1) comprises Alkali absorption groove (17), Alkali absorption bottle (18), wherein, described Alkali absorption groove (17) is cuboid, and Alkali absorption bottle (18) is inversed-cone shape; Its annexation is, described Alkali absorption bottle (18) is fixed on Alkali absorption groove (17), and Alkali absorption bottle (18) part is placed in a lateral body of Alkali absorption groove (17); Described Alkali absorption bottle (18) is provided with T-valve I (19), reinforced bottle I (20), iodine vapor inlet pipe (21), two-way valve (22), flowmeter (23), Alkali absorption bottle (18) is connected with T-valve I (19), reinforced bottle I (20) successively by pipeline, Alkali absorption bottle (18) is also connected with two-way valve (22), flowmeter (23), Alkali absorption groove (17) successively by pipeline, iodine vapor inlet pipe (21) external retort.
4. treating apparatus according to claim 3, it is characterized in that: the center of top of described Alkali absorption groove (17) is provided with draw-in groove (24), the Alkali absorption groove (17) of Alkali absorption bottle (18) corresponding side is provided with reinforced bottle II (25), T-valve II (26), four-way valve (27), through hole (28), draw-in groove (24) is connected with the connector (9) of connector (8) lower end, Alkali absorption groove (17) is by pipeline and T-valve II (26), reinforced bottle II (25) connects successively, vacuum pump (4) is placed in through hole (28), four-way valve (27) by pipeline respectively with tail gas monitor (3), vacuum pump (4) connects.
5. treating apparatus according to claim 1, it is characterized in that: described tail gas monitor (3) comprises the sampling pipe (29), detector (30), the scaler (31) that connect successively, and sampling pipe (29) is also connected respectively with gas outlet (10), four-way valve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037460.6A CN104575650B (en) | 2015-01-26 | 2015-01-26 | Radioactivity iodine 131 evaporation processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037460.6A CN104575650B (en) | 2015-01-26 | 2015-01-26 | Radioactivity iodine 131 evaporation processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104575650A true CN104575650A (en) | 2015-04-29 |
| CN104575650B CN104575650B (en) | 2017-03-29 |
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ID=53091518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037460.6A Expired - Fee Related CN104575650B (en) | 2015-01-26 | 2015-01-26 | Radioactivity iodine 131 evaporation processing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686610A (en) * | 2018-07-18 | 2018-10-23 | 中国工程物理研究院核物理与化学研究所 | A kind of I-131 productions destructive distillation absorber |
| CN114233282A (en) * | 2021-12-22 | 2022-03-25 | 河南省科学院同位素研究所有限责任公司 | High-efficient zero radioactivity emission well logging tracer preparation system |
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| JPS4837960B1 (en) * | 1966-10-07 | 1973-11-14 | ||
| JPH11151426A (en) * | 1997-11-19 | 1999-06-08 | Ishikawajima Harima Heavy Ind Co Ltd | Flue gas desulfurizer integrated to chimney |
| US20070114134A1 (en) * | 2002-06-01 | 2007-05-24 | Legg Stuart A | Recovery process |
| CN101847456A (en) * | 2009-06-24 | 2010-09-29 | 中广核工程有限公司 | Waste gas treatment method of nuclear power plant and treatment device thereof |
| CN203469791U (en) * | 2013-08-16 | 2014-03-12 | 甘肃瓮福化工有限责任公司 | Recover device for extracting iodine in iodine tail gas |
| CN103771341A (en) * | 2013-12-23 | 2014-05-07 | 米度（南京）生物技术有限公司 | Method for preparing radioactive <124>I ions |
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2015
- 2015-01-26 CN CN201510037460.6A patent/CN104575650B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4837960B1 (en) * | 1966-10-07 | 1973-11-14 | ||
| US3752876A (en) * | 1971-08-26 | 1973-08-14 | Atomic Energy Commission | Removal of organic and inorganic iodine from a gaseous atmosphere |
| JPH11151426A (en) * | 1997-11-19 | 1999-06-08 | Ishikawajima Harima Heavy Ind Co Ltd | Flue gas desulfurizer integrated to chimney |
| US20070114134A1 (en) * | 2002-06-01 | 2007-05-24 | Legg Stuart A | Recovery process |
| CN101847456A (en) * | 2009-06-24 | 2010-09-29 | 中广核工程有限公司 | Waste gas treatment method of nuclear power plant and treatment device thereof |
| CN203469791U (en) * | 2013-08-16 | 2014-03-12 | 甘肃瓮福化工有限责任公司 | Recover device for extracting iodine in iodine tail gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686610A (en) * | 2018-07-18 | 2018-10-23 | 中国工程物理研究院核物理与化学研究所 | A kind of I-131 productions destructive distillation absorber |
| CN108686610B (en) * | 2018-07-18 | 2023-09-19 | 中国工程物理研究院核物理与化学研究所 | Destructive distillation absorber for I-131 production |
| CN114233282A (en) * | 2021-12-22 | 2022-03-25 | 河南省科学院同位素研究所有限责任公司 | High-efficient zero radioactivity emission well logging tracer preparation system |
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| Publication number | Publication date |
|---|---|
| CN104575650B (en) | 2017-03-29 |
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