CN113140345A - Integrated Po removal and oxygen control device and Po removal method - Google Patents
Integrated Po removal and oxygen control device and Po removal method Download PDFInfo
- Publication number
- CN113140345A CN113140345A CN202110308666.3A CN202110308666A CN113140345A CN 113140345 A CN113140345 A CN 113140345A CN 202110308666 A CN202110308666 A CN 202110308666A CN 113140345 A CN113140345 A CN 113140345A
- Authority
- CN
- China
- Prior art keywords
- gas
- oxygen control
- hydrogen
- oxygen
- removal
- 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.)
- Granted
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000001301 oxygen Substances 0.000 title claims abstract description 80
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 66
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000001257 hydrogen Substances 0.000 claims abstract description 47
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 47
- 239000002826 coolant Substances 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 238000005192 partition Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 14
- 229910052797 bismuth Inorganic materials 0.000 claims description 49
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims description 27
- 239000010935 stainless steel Substances 0.000 claims description 27
- 238000005247 gettering Methods 0.000 claims description 15
- 229910000464 lead oxide Inorganic materials 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000008188 pellet Substances 0.000 claims description 4
- 125000001967 indiganyl group Chemical group [H][In]([H])[*] 0.000 claims description 3
- OFSDTGZOZPQDCK-UHFFFAOYSA-N polane Chemical compound [PoH2] OFSDTGZOZPQDCK-UHFFFAOYSA-N 0.000 claims description 3
- 229910000035 polane Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 230000001174 ascending effect Effects 0.000 description 12
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009469 supplementation Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- 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
- G21F9/04—Treating liquids
- G21F9/06—Processing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention belongs to the technical field of coolant process and safety in the field of lead-based reactors, and particularly relates to an integrated Po and oxygen control removing device and a Po removing method. The device includes: a container with an open upper end; a cover plate covering the open mouth of the container; the cylindrical shell is arranged below the cover plate, and a middle partition plate is arranged in the middle of the lower part of the shell; fix it is in gas outlet pipe on the apron, gas outlet pipe's lower extreme with intercommunication in the casing, gas outlet pipe's upper end communicates in proper order and is provided with and adsorbs H2A Po gas device; the lower end of the hydrogen injection pipeline fixed on the cover plate sequentially penetrates through the cover plate and the bottom plate of the shell and extends into one side of the intermediate partition plate, and the upper end of the hydrogen injection pipeline is communicated with a hydrogen source; an oxygen control device fixed within the housing. The technical scheme realizes integration of Po removal and oxygen control through a double-channel design.
Description
Technical Field
The invention belongs to the technical field of coolant process and safety in the field of lead-based reactors, and particularly relates to an integrated Po and oxygen control removing device and a Po removing method.
Background
In a lead-based reactor, Po removal and oxygen control are two separate functions.
In Po removal, the American society for Metarchies and technology (MIT) employs H2The Po gas separation method is used for removing Po in liquid lead bismuth, hydrogen is injected into a container containing liquid Pbbi and PbPo, the other container is used for cooling gas and finally leads to a trap, but the problem that the oxygen concentration in the lead bismuth fluid is sharply reduced due to the injection of hydrogen, and further corrosion of the in-pile components is aggravated is not considered. The national laboratory of INEEL of America establishes a molten salt method Po removing experimental device and adoptsMolten NaOH reacts with PbPo to remove Po, but new impurities such as NaOH are introduced into the Po-containing lead-bismuth coolant, and the later operation of the reactor is influenced. In the aspect of oxygen control, gas-phase oxygen control and oxygen control devices are widely applied internationally, and oxygen control is mainly realized by injecting oxygen and matching solid-phase ceramics with an oxygen sensor, and the oxygen control device comprises Germany, Italy, Japan, China and the like, and is technically applied to experimental platforms such as a lead bismuth experimental loop platform, a material corrosion platform and the like.
In summary, the Po removal design in the field of the lead-based reactor is complex, occupies the reactor volume, and does not consider the problem of oxygen control in the coolant containing Po, lead and bismuth and the problem of impurities caused by the oxygen control. Therefore, an integrated device with dual functions of removing Po and controlling oxygen does not exist at present.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an integrated Po removal and oxygen control device and a Po removal method.
The technical scheme provided by the invention is as follows:
an integrated de-Po and oxygen control device comprising:
a container with an open upper end;
a cover plate covering the open mouth of the container;
the cylindrical shell is arranged below the cover plate, an opening of the shell is arranged downwards, a bottom plate of the shell is fixedly connected with the cover plate, and a middle partition plate is arranged in the middle of the lower part of the shell;
fix it is in gas outlet pipe on the apron, gas outlet pipe's lower extreme runs through in proper order the apron with the bottom plate of casing, and with intercommunication in the casing, gas outlet pipe's upper end communicates in proper order and is provided with and adsorbs H2A Po gas device;
the lower end of the hydrogen injection pipeline fixed on the cover plate sequentially penetrates through the cover plate and the bottom plate of the shell and extends into one side of the intermediate partition plate, and the upper end of the hydrogen injection pipeline is communicated with a hydrogen source;
and the oxygen control device is fixed in the shell and is positioned on the other side of the middle partition plate.
Based on the integrated Po removing and oxygen control device provided by the technical scheme, the two sides of the middle partition plate are respectively provided with the ascending channel and the descending channel of the Po-containing lead bismuth coolant. The hydrogen injection pipeline is arranged on the ascending channel, so that Po can be removed, and power for upward flow of lead and bismuth can be provided. And the upward flowing power of the lead and bismuth ensures that the lead and bismuth in the descending channel flows downwards. Further, an oxygen control device is arranged on the descending channel, so that the problem that oxygen is consumed by hydrogen in the Po removing process can be effectively solved. The technical scheme realizes integration of Po removal and oxygen control through a double-channel design.
Further, the oxygen control device includes: the stainless steel cylinder is fixed in the shell, two ends of the stainless steel cylinder are sealed, the stainless steel cylinder is vertically arranged, the upper bottom of the stainless steel cylinder is communicated with a liquid inlet pipe, the interior of the stainless steel cylinder is filled with the small lead oxide balls, the lower bottom of the stainless steel cylinder is communicated with a liquid outlet pipe, the caliber of the liquid outlet pipe is smaller than the grain size of the small lead oxide balls, and the height of the upper end of the liquid inlet pipe is lower than the height of the upper edge of.
Based on the technical scheme, oxygen supplementation of the cooling agent containing Po lead and bismuth can be realized through mass exchange of lead oxide. And the lead oxide is confined in the stainless steel cylinder and does not fall into the coolant containing the Po lead bismuth.
Furthermore, the side wall of the liquid inlet pipe is also provided with a side liquid inlet which is lower than the upper edge of the middle clapboard.
Based on the technical scheme, the Po-containing lead bismuth coolant from the ascending channel can smoothly flow into the stainless steel cylinder through the side liquid inlet.
Further, the stainless steel cylinder is fixed in the shell through a plurality of fixed connecting pieces.
Based on the technical scheme, the stainless steel cylinder can be conveniently fixed.
Furthermore, the lower end of the middle partition plate extends out of the shell, bends towards one side far away from the oxygen control device and horizontally extends out, correspondingly, the lower end of the side wall of the shell far away from the oxygen control device bends towards one side far away from the oxygen control device and horizontally extends out, a horizontal hydrogen gas inlet channel is formed between the two extending parts, and the lower end of the hydrogen gas injection pipeline extends into the hydrogen gas inlet channel.
Based on the technical scheme, Po-containing lead bismuth coolant entering the ascending channel is a part without Po removal.
Further, the gettering H2The Po gas device comprises a cooler, a gas compressor and an alkaline filter which are sequentially communicated, and the cooler is communicated with the gas outlet pipeline.
Based on the technical scheme, H can be stably absorbed2And Po. And, the rate of removing Po can be adjusted by controlling the hydrogen injection rate of the hydrogen injection pipe and the rate of the gas compressor. The NaOH alkaline filter can be replaced regularly, which is convenient for maintenance.
Specifically, the cover plate may be provided with a gas injection hole for injecting a shielding gas.
The invention also provides a Po removing method which is carried out by adopting the integrated Po removing and oxygen control device provided by the invention and comprises the following steps:
1) filling a Po lead bismuth-containing coolant into the container until the liquid level is higher than the upper edge of the intermediate partition plate, and then covering protective gas on the liquid level of the Po lead bismuth-containing coolant;
2) opening a hydrogen gas source, injecting hydrogen into the Po lead bismuth-containing coolant in the container through the hydrogen injection pipeline, and reacting in the container to generate H2A Po gas;
3) starting the gettering H2Po gas device, sucking out and removing H2A Po gas;
4) gettering H2In the Po gas process, the Po lead bismuth-containing coolant on one side of the oxygen control device flows downwards, and in the flowing process, the oxygen control device replenishes oxygen for the Po lead bismuth-containing coolant.
Based on the technical scheme, the integrated Po removing and oxygen controlling device provided by the invention can effectively remove Po under the condition of oxygen control.
If the cover plate is provided with the gas injection hole, protective gas can be injected through the gas injection hole and is sealed by a plug after the protective gas is injected. If the cover plate is not provided with the gas injection hole, the cover plate can be covered by a certain gap, protective gas is injected through the gap gas injection hole, and the cover is covered after the protective gas is injected. The lead bismuth coolant can be used for Po removal after 3 to 6 months.
Further, adjusting the hydrogen injection rate of the hydrogen gas source to adjust the generation of H2The rate of Po gas.
Based on the technical scheme, H can be conveniently realized2Adjustment of the rate of Po gas generation.
Further, adjusting the gettering H2The rate of removal of Po is adjusted by the rate of gettering of the Po gas plant.
Based on the technical scheme, the speed of removing Po can be conveniently adjusted.
The time for each run was 1 to 2 days.
Compared with the prior art, the invention has the advantages that:
1) the structure is integrated and compact. Through the design of binary channels's space design, set up at the ascending passageway and annotate the hydrogen pipeline, can enough remove Po, can provide the power that lead bismuth upwards flows again, set up the oxygen accuse device at the descending passageway, solve and remove the problem that Po in-process oxygen was consumed by hydrogen to do not have additionally to occupy a lot of spaces, have integrated compact advantage.
2) The reliability is high. Directly injecting hydrogen into Po lead bismuth-containing coolant of local channel, and generating H through chemical reaction2Po gas, H2Floating Po gas to narrow space at upper part, and compressing H gas by compressor2Po gas rushes into H together2In Po alkaline filters, H is removed by chemical reaction2And Po, the removal of Po in the lead bismuth is realized, and the reliability of the system is improved to the maximum extent.
3) The economy is good. Through the integrated compact design, the miniaturized design of removing Po and oxygen accuse has been realized simultaneously, removes Po system simple structure, small and exquisite, part are few, have the advantage that economic nature is good.
In conclusion, the invention has the advantages of passive property, high reliability, microminiature and high economical efficiency.
Drawings
FIG. 1 is a schematic structural diagram of an integrated Po removal and oxygen control device provided by the present invention.
In fig. 1, the structure represented by each reference numeral is listed as follows:
1. the device comprises a container, 2, a Po lead bismuth-containing coolant, 3, a middle partition plate, 4, a shell, 5, an oxygen control device, 6, protective gas, 7, an alkaline filter, 8, a gas compressor, 9, a cooler, 10, an air outlet pipeline, 11, a hydrogen injection pipeline, 12, a stainless steel cylinder, 13 and a side liquid inlet.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
It will be understood that when an element or component is referred to as being "connected," "positioned" or "coupled" to another element or component, it can be directly on the other element or component or intervening elements or components may also be present. The terms "left", "right", "upper", "lower" and the like as used herein are for illustrative purposes only.
In one embodiment, as shown in fig. 1, a device for integrated Po removal and oxygen control comprises: a container 1 with an open upper end; a cover plate covering the open mouth of the container 1; the cylindrical shell 4 is arranged below the cover plate, an opening of the shell 4 faces downwards, a bottom plate of the shell 4 is fixedly connected with the cover plate, and a middle partition plate 3 is arranged in the middle of the lower part of the shell 4; fix it is in gas outlet pipe 10 on the apron, the lower extreme of gas outlet pipe 10 runs through in proper order the apron with the bottom plate of casing 4, and with communicate in the casing 4, the upper end of gas outlet pipe 10 communicates in proper order and is provided with and adsorbs H2A Po gas device; the lower end of the hydrogen injection pipeline 11 fixed on the cover plate sequentially penetrates through the cover plate and the bottom plate of the shell 4 and extends into one side of the intermediate partition plate 3, and the upper end of the hydrogen injection pipeline is communicated with a hydrogen source; and the oxygen control device 5 is fixed in the shell 4 and is positioned on the other side of the middle partition plate 3. Based on the integrated Po and oxygen control device provided by the technical schemeAnd an ascending channel and a descending channel of the Po lead bismuth-containing coolant 2 are respectively formed on two sides of the middle partition plate. The hydrogen injection pipeline is arranged on the ascending channel, so that Po can be removed, and power for upward flow of lead and bismuth can be provided. And the upward flowing power of the lead and bismuth ensures that the lead and bismuth in the descending channel flows downwards. Further, an oxygen control device is arranged on the descending channel, so that the problem that oxygen is consumed by hydrogen in the Po removing process can be effectively solved. The technical scheme realizes integration of Po removal and oxygen control through a double-channel design.
In one embodiment, as shown in fig. 1, the oxygen control device 5 includes: the stainless steel cylinder 12 is fixed in the shell 4, the two ends of the stainless steel cylinder are sealed, the stainless steel cylinder 12 is vertically arranged, the upper bottom of the stainless steel cylinder is communicated with a liquid inlet pipe, the inside of the stainless steel cylinder is filled with the lead oxide pellets, the lower bottom of the stainless steel cylinder is communicated with a liquid outlet pipe, the caliber of the liquid outlet pipe is smaller than the grain size of the lead oxide pellets, and the height of the upper end of the liquid inlet pipe is lower than the height of the upper edge of the middle partition plate 3. Based on the technical scheme, oxygen supplementation of the cooling agent 2 containing Po lead and bismuth can be realized through mass exchange of lead oxide. And the lead oxide is confined in the stainless steel cylinder and does not fall into the Po-containing lead bismuth coolant 2.
In one embodiment, as shown in fig. 1, the sidewall of the liquid inlet pipe is further provided with a side liquid inlet 13 which is lower than the upper edge of the middle partition. Based on the technical scheme, the Po-containing lead bismuth coolant 2 from the ascending channel can smoothly flow into the stainless steel cylinder through the side liquid inlet.
In one embodiment, as shown in FIG. 1, the stainless steel cylinder 12 is secured within the housing 4 by a number of fixed connections. Based on the technical scheme, the stainless steel cylinder can be conveniently fixed.
In one embodiment, as shown in fig. 1, the lower end of the middle partition 3 extends out of the housing 4 and extends to the side away from the oxygen control device 5, and correspondingly, the lower end of the side wall of the housing 4 away from the oxygen control device 5 extends to the side away from the oxygen control device 5, and a channel communicating with the lower end opening of the hydrogen injection pipe 11 is formed between the two extending portions. Based on the technical scheme, Po-containing lead bismuth coolant 2 entering the ascending channel is a part without Po removal.
In one embodiment, as shown in FIG. 1, the gettering H2The Po gas device comprises a cooler 9, a gas compressor 8 and an alkaline filter 7 which are sequentially communicated, wherein the cooler 9 is communicated with the gas outlet pipeline 10. Based on the technical scheme, H can be stably absorbed2And Po. And, the rate of removing Po can be adjusted by controlling the hydrogen injection rate of the hydrogen injection pipe and the rate of the gas compressor. The NaOH alkaline filter can be replaced regularly, which is convenient for maintenance.
In one embodiment, the method for removing Po is performed by using the integrated Po removal and oxygen control device as shown in FIG. 1, and comprises the following steps:
1) a Po lead bismuth-containing coolant 2 is injected into the container 1 until the liquid level is higher than the upper edge of the intermediate partition plate 3, and then a protective gas 6 is covered on the liquid level of the Po lead bismuth-containing coolant 2;
2) opening a hydrogen gas source, injecting hydrogen into the Po-containing lead bismuth coolant 2 in the container 1 through the hydrogen injection pipeline 11, and reacting in the container 1 to generate H2A Po gas;
3) starting the gettering H2Po gas device, sucking out and removing H2A Po gas;
4) gettering H2In the Po gas process, the Po lead bismuth-containing coolant 2 on one side of the oxygen control device 5 flows downwards, and in the flowing process, the oxygen control device 5 replenishes oxygen for the Po lead bismuth-containing coolant 2. Based on the technical scheme, the integrated Po removing and oxygen controlling device provided by the invention can effectively remove Po under the condition of oxygen control.
In one embodiment, adjusting the hydrogen injection rate of the hydrogen gas source adjusts the production of H2The rate of Po gas. Based on the technical scheme, H can be conveniently realized2Adjustment of the rate of Po gas generation.
In one embodiment, the gettering H is adjusted2The rate of removal of Po is adjusted by the rate of gettering of the Po gas plant. Based on the technical scheme, the speed of removing Po can be conveniently adjusted.
In the working process of the integrated Po removal and oxygen control device, the hydrogen injection pipeline is arranged on the ascending channel, and the inlet of the hydrogen injection pipeline is lower than the inlet of the double channels, so that hydrogen cannot enter main covering gas in the top cover through the inlet of the hydrogen injection pipeline, and the problem of subsequent hydrogen removal of argon covering gas is solved. The hydrogen can remove Po and provide a driving force for upward flow of lead and bismuth in the ascending channel, so that the lead and bismuth flow into the descending channel under the action of the driving force and then flow out of the descending channel into the lead and bismuth pool, and the part of the lead and bismuth re-enters the ascending channel under the action of the hydrogen to complete the natural circulation process of the lead and bismuth. In addition, an oxygen control device is arranged in the descending channel, the problem that oxygen is consumed by hydrogen in the Po removing process can be solved by the oxygen control device, and oxygen can be supplemented in real time by the oxygen control device in the process of lead bismuth natural circulation, so that the oxygen concentration of lead bismuth in a loop system is controlled, oxide impurities of a loop are reduced, and the lead bismuth impurities are prevented from blocking a circulation path of a loop coolant.
The foregoing is merely a preferred embodiment of this invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (9)
1. An integrated Po and oxygen control removal device, comprising:
a container (1) with an open upper end;
a cover plate covering the opening of the container (1);
the device comprises a cylindrical shell (4) arranged below a cover plate, wherein an opening of the shell (4) faces downwards, an upper end plate of the shell (4) is fixedly connected with the cover plate, and a middle partition plate (3) is vertically arranged in the middle of the lower part of the shell (4);
fix pipeline (10) of giving vent to anger on the apron, the lower extreme of pipeline (10) of giving vent to anger runs through in proper order the apron with the upper end plate of casing (4), and with intercommunication in casing (4), the upper end intercommunication of pipeline (10) of giving vent to anger is provided with and absorbs H2A Po gas device;
the lower end of the hydrogen injection pipeline (11) is fixed on the cover plate, sequentially penetrates through the cover plate and the bottom plate of the shell (4) and extends into one side of the middle partition plate (3), and the upper end of the hydrogen injection pipeline is communicated with a hydrogen source;
and the oxygen control device (5) is fixed in the shell (4) and is positioned on the other side of the middle partition plate (3).
2. The integrated Po and oxygen removal device as claimed in claim 1, wherein the oxygen control device (5) comprises a stainless steel cylinder (12) fixed in the housing (4) and sealed, the stainless steel cylinder (12) is vertically arranged, the upper end of the stainless steel cylinder is communicated with a liquid inlet pipe, the interior of the stainless steel cylinder is filled with the lead oxide pellets, the lower end plate of the stainless steel cylinder is communicated with a liquid outlet pipe, the diameter of the liquid outlet pipe is smaller than the particle size of the lead oxide pellets, and the height of the upper end of the liquid inlet pipe is lower than the height of the upper edge of the intermediate partition plate (3).
3. The integrated Po and oxygen control removal device of claim 2, wherein: the side wall of the liquid inlet pipe is also provided with a side liquid inlet (13).
4. The integrated Po and oxygen control removal device of claim 2, wherein: the stainless steel cylinder (12) is fixed in the shell (4) through a plurality of fixed connecting pieces.
5. The integrated Po removal and oxygen control device of any one of claims 1 to 4, wherein: the lower extreme of intermediate bottom (3) stretches out the lower extreme opening of casing (4) to one side bending type and the level that keeps away from oxygen accuse device (5) extend, it is corresponding, the lower extreme of casing (4) keep away from the lateral wall of oxygen accuse device (5) is to keeping away from one side bending type and the level extension of oxygen accuse device (5), has formed horizontal hydrogen admission passage between the extension position of two, the lower extreme of hydrogen injection pipeline (11) stretches into in the hydrogen admission passage.
6. The integrated Po removal and oxygen control device of any one of claims 1 to 4, wherein: the gettering H2The Po gas device comprises a cooler (9), a gas compressor (8) and an alkaline filter (7) which are sequentially communicated, wherein the cooler (9) is communicated with the gas outlet pipeline (10).
7. A method for removing Po, which is carried out by using the integrated Po removal and oxygen control device of any one of claims 1 to 6, comprising the steps of:
1) filling a Po-containing lead bismuth coolant (2) into the container (1) until the liquid level is higher than the upper edge of the intermediate partition plate (3), and then covering a protective gas (6) on the liquid level of the Po-containing lead bismuth coolant (2);
2) opening a hydrogen gas source, continuously injecting hydrogen into the Po lead bismuth-containing coolant (2) in the container (1) through the hydrogen injection pipeline (11), and reacting in the container (1) to generate H2A Po gas;
3) starting the gettering H2Po gas device, continuous suction and H removal2A Po gas;
4) gettering H2In the Po gas process, the Po lead bismuth-containing coolant (2) on one side of the oxygen control device (5) flows downwards, and in the flowing process, the oxygen control device (5) replenishes oxygen for the Po lead bismuth-containing coolant (2).
8. The method of removing Po according to claim 7, characterized in that: adjusting the hydrogen injection rate of the hydrogen gas source to adjust the generation of H2The rate of Po gas.
9. The method of removing Po according to claim 7, characterized in that: adjusting the gettering H2The rate of removal of Po is adjusted by the rate of gettering of the Po gas plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110308666.3A CN113140345B (en) | 2021-03-23 | 2021-03-23 | Integrated Po removal and oxygen control device and Po removal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110308666.3A CN113140345B (en) | 2021-03-23 | 2021-03-23 | Integrated Po removal and oxygen control device and Po removal method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113140345A true CN113140345A (en) | 2021-07-20 |
| CN113140345B CN113140345B (en) | 2023-11-03 |
Family
ID=76811574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110308666.3A Active CN113140345B (en) | 2021-03-23 | 2021-03-23 | Integrated Po removal and oxygen control device and Po removal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113140345B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864119A (en) * | 2022-04-24 | 2022-08-05 | 中国原子能科学研究院 | Oxygen content control device and reaction system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108793A (en) * | 1999-10-13 | 2001-04-20 | Mitsubishi Heavy Ind Ltd | Purifying method and purifying device for lead-bismuth eutectic alloy |
| KR20040028871A (en) * | 2004-02-05 | 2004-04-03 | 김철영 | A gas purifier apparatus with various function |
| CN107610788A (en) * | 2017-09-28 | 2018-01-19 | 岭东核电有限公司 | Solid oxygen control device |
| CN109300565A (en) * | 2018-10-20 | 2019-02-01 | 中广核研究院有限公司 | Radioactive substance removes system and method in a kind of coolant |
-
2021
- 2021-03-23 CN CN202110308666.3A patent/CN113140345B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001108793A (en) * | 1999-10-13 | 2001-04-20 | Mitsubishi Heavy Ind Ltd | Purifying method and purifying device for lead-bismuth eutectic alloy |
| KR20040028871A (en) * | 2004-02-05 | 2004-04-03 | 김철영 | A gas purifier apparatus with various function |
| CN107610788A (en) * | 2017-09-28 | 2018-01-19 | 岭东核电有限公司 | Solid oxygen control device |
| CN109300565A (en) * | 2018-10-20 | 2019-02-01 | 中广核研究院有限公司 | Radioactive substance removes system and method in a kind of coolant |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864119A (en) * | 2022-04-24 | 2022-08-05 | 中国原子能科学研究院 | Oxygen content control device and reaction system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113140345B (en) | 2023-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6262978B2 (en) | Method and apparatus for desulfurization of gas containing sulfur oxide | |
| CN113140345A (en) | Integrated Po removal and oxygen control device and Po removal method | |
| CN107610788A (en) | Solid oxygen control device | |
| CN207899247U (en) | A kind of integrated device based on triazine solution desulfurization | |
| WO2024077870A1 (en) | Self-operating lithium extraction device for salt lake | |
| JP5416348B2 (en) | Gas generation reactor having solid-gas separation function | |
| CN210699507U (en) | Nitric acid blows white exhaust-gas treatment equipment | |
| CN116371149A (en) | Production device for adjusting concentration of acid production by using tail gas of chlorinated paraffin through continuous method | |
| CN113426240B (en) | Electric heating type semiconductor waste gas treatment equipment and cooling method thereof | |
| CN108993015A (en) | Filter device and its maintaining method | |
| JP2003130988A (en) | Oxygen concentration monitoring device | |
| CN112992396B (en) | Tail gas utilization device in calcination preparation process of nuclear pure uranium oxide | |
| CN101624707B (en) | Highly integrated fuel gas generator device without discharging any waste liquor | |
| CN204247179U (en) | Device for preparing nitrate solution from metal | |
| CN109432983B (en) | Nitrogen oxide-containing tail gas treatment system | |
| CN210856287U (en) | Draw extraction element of arsenic in waste residue that copper smelting produced | |
| CN207397727U (en) | Solid oxygen control device | |
| CN208389767U (en) | A kind of portable pipe container desulfurization safety device | |
| CN209020391U (en) | A kind of bubbling column reactor | |
| CN108257707B (en) | Leaching device for uranium-containing waste residues | |
| CN106395882B (en) | Ammonia process produces the device and technique of metallic compound | |
| KR100826849B1 (en) | Oil-water separator | |
| CN220370765U (en) | High-efficient flue gas carbon dioxide trapping device | |
| CN205462154U (en) | Hydrogenation reaction kettle | |
| CN221207486U (en) | Gas absorbing device for substitution of chloroethylene converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |