CN103337269A - Glove box for dry method post processing - Google Patents
Glove box for dry method post processing Download PDFInfo
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- CN103337269A CN103337269A CN2013102801086A CN201310280108A CN103337269A CN 103337269 A CN103337269 A CN 103337269A CN 2013102801086 A CN2013102801086 A CN 2013102801086A CN 201310280108 A CN201310280108 A CN 201310280108A CN 103337269 A CN103337269 A CN 103337269A
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Abstract
The invention belongs to the technical field of nuclear fuel post processing, and discloses a glove box for dry method post processing. The glove box is mainly composed of a main box, a sub box, an atmosphere control device, a waste transfer device, aerosol filters and an automatic pressure control device, wherein the sub box and the waste transfer device are located on the two sides of the main box respectively, the sub box and the main box are connected in a sealing mode, and a sealing door is arranged between the two boxes. The main box and the sub box can be communicated or separated respectively by opening or closing the sealing door. Two or more glove holes are formed in the front side of the main box. The aerosol filters are installed inside and outside the main box and located on the upper portion of an air inlet, the lower portion of an air outlet and the lower portion of an air exhaust port respectively. By the adoption of the glove box, an inert atmosphere can be controlled, inert gas can be made to circulate in the glove box, radioactive aerosols can be efficiently filtered, and the requirements for a low water content and a low oxygen content can be met.
Description
Technical field
The invention belongs to nuclear fuel post-processing technology field, be specifically related to a kind of glove box for the dry method aftertreatment.
Background technology
The nuclear fuel aftertreatment comprises dry method aftertreatment and water law aftertreatment, its operating process often need be carried out in glove box, present industrialized water law post-processing technology is that aqueous solution, working environment are atmospheric atmosphere because of its research system, the glove box that adopts is little negative pressure atmospheric atmosphere glove box, in order to reduce the accumulation of radioaerosol in the glove box, the mode of generally taking constantly to change gas in the case realizes.Therefore, its topmost design objective is rate of ventilation.And the research system of dry method aftertreatment is the high-temperature molten salt system, relates generally to the high-temperature operation of the very strong molten chloride of the very strong uranium of chemical activity, plutonium metal and water absorptivity, under the hot conditions, uranium, plutonium metal very easily with airborne water and oxygen generation chemical reaction.In addition, molten chloride absorbs moisture also will increase difficulty and the danger of high-temperature operation, and cause the hydrolysis of uranium, plutonium, thereby reduce yield and the purity of uranium, plutonium.Therefore, the dry method aftertreatment should be carried out in the glove box with good inert atmosphere (water, oxygen content are all less than 5ppm) protection.
Present dry method glove box is generally realized inert atmosphere protection by following two kinds of methods: continue to use water law glove box mentality of designing for first kind, adopt continuously the replacing inert gas to realize inert atmosphere protection; Second kind is adopted the sealed inert atmosphere protection, obtains low water, hypoxemia and little subnormal ambient by intermittently taking a breath.But water, oxygen content generally all are higher than hundreds of ppm in the atmosphere that this dual mode obtains, and are difficult to satisfy the requirement of uranium, plutonium high-recovery.Wherein, method one adopts ventilation continuously, wastes a large amount of argon gas, takes away a large amount of heats in the case, and has increased the radioactive emission amount; Though method two has been taked seal approach, lack the purification plant of water, oxygen and radioaerosol under the sealed environment, need frequently to take a breath with radioaerosol in effective reduction glove box.In addition, adopt the glove box of ventilation continuously and frequent ventilation all not to be suitable for the dry method aftertreatment experiment that relates to radiomaterial powder or fine particle operation.
Summary of the invention
(1) goal of the invention
According to the existing in prior technology problem, the invention provides a kind ofly can control inert atmosphere, high efficiency filter radioaerosol and can satisfy the glove box that is used for the dry method aftertreatment of low water, hypoxemia requirement.
(2) technical scheme
In order to solve the existing in prior technology problem, the present invention is achieved by the following technical solutions:
A kind of glove box for the dry method aftertreatment, this glove box mainly is made up of main tank, odd-side, atmosphere control device, refuse transporter, aerosol fillter, automatic pressure control device, wherein odd-side and refuse transporter lay respectively at the both sides of main tank, odd-side and main tank are tightly connected, hermatic door is arranged between two the casees, and the opening and closing hermatic door can be realized being communicated with of main tank and odd-side respectively and separate; The front of main tank is equipped with two or more gloves hole; The inside and outside aerosol fillter that all is equipped with of main tank, this filtrator lays respectively at air intake opening top, bottom, gas outlet and exhausr port bottom.
Preferably, described atmosphere control device is made up of atmosphere controller and steel cylinder, wherein in the steel cylinder inert gas is housed, atmosphere controller comprises blower fan and decontaminating column, blower fan control inert gas passes through aerosol fillter, the aerosol fillter of bottom, gas outlet, the gas outlet on air intake opening, air intake opening top successively, after pipeline enters decontaminating column and blower fan in the atmosphere controller, enter circulation in the main tank again then; Decontaminating column comprises copper catalyst and molecular sieve, respectively oxygen, the water in the decontamination cycle gas.
Preferably, inert gas air intake opening and gas outlet lay respectively at the place, diagonal angle of main tank, and wherein air intake opening is positioned at the main tank bottom.
Preferably; the high temperature resistant well formula that is tightly connected below the main tank casing is protected tube, and the peripheral well-type electric furnace of being furnished with for heating of this protection tube protects tube to be positioned at electric stove hearth; treat that the fusion material is arranged in the sample disc of protection tube bottom, sample disc can be moved upward in the main tank.
Preferably, above main tank top center position and well formula protection tube, locate to be equipped with cooler pan.
Preferably, described refuse transporter comprises the independently waste transfer bucket of body with cover of a sealing lid that is installed in main tank one side and, on two lids sealing rubber ring is arranged all; By the mode of rotating waste transfer bucket crush seal rubber ring two lids being closely cooperated is the combination lid; The back combination lid that closely cooperates can be opened, and material in the main tank is transferred in the waste transfer bucket; After finishing waste transfer, will make up lid and shut, and by reverse rotation waste transfer bucket with two lids separately.
Preferably, also is furnished with pressure automatic control system on the main tank, this system comprises pressure transducer, digital display monitor, solenoid valve, set the main tank internal pressure and be-200Pa ~-400Pa, when the main tank internal pressure departs from the setup pressure value scope, pressure automatic control system will start solenoid valve automatically and carry out tonifying Qi or venting, realize that the main tank internal pressure is in arranging scope.
Preferably, the inert gas of dress is argon gas in the described steel cylinder.
(3) beneficial effect
Adopt a kind of glove box for the dry method aftertreatment provided by the invention, this glove box can satisfy the requirement of sample needs high-temperature fusion and inert gas shielding in the dry method post-processing operation process, and it has the following advantages:
(1) working gas is circulated in glove box, saved the consumption of inert gas on the one hand, also reduced the discharge capacity of radioactive emission on the other hand; Utilization is installed in the atmosphere control device in the gas inner loop pipeline, but water and oxygen in the continuous purification periodic duty gas, when satisfying the dry method post-processing operation to the requirement of work atmosphere; Utilization is installed in the aerosol fillter at air intake opening, place, gas outlet, but radioaerosol in the continuous filtration periodic duty gas; By the periodic replacement filter element, can reduce the suffered radioactive dosage of operating personnel.
(2) can effectively realize little negative pressure working environment in the glove box by case internal pressure automatic control system, avoid in the case gas in environment, to reveal, improve the security of experiment operator.
(3) utilize the refuse transporter of this device, can under the prerequisite of not destroying inert ambient environment in the glove box, carry out the transfer of radioactive waste; And realized glove box one side charging, the unidirectional material of a side discharging shifts, the cross pollution of having avoided refuse to cause from the odd-side transfer again.
Description of drawings
Fig. 1 is the glove box synoptic diagram;
1. main tank; 2. odd-side; 3. atmosphere controller; 4. electric furnace; 6. refuse transporter; 7. aerosol fillter; 8. cooler pan; 9. gloves hole; 10. digital display monitor; 11. steel cylinder; 12. solenoid valve; 13. exhausr port; 14. air intake opening; 15. gas outlet; 16. sample disc.
Embodiment
Below in conjunction with specification drawings and specific embodiments the present invention is further elaborated.
A kind of glove box for the dry method aftertreatment, this glove box mainly is made up of main tank 1, odd-side 2, atmosphere control device, refuse transporter 6, aerosol fillter 7, automatic pressure control device, wherein odd-side 2 and refuse transporter 6 lay respectively at the both sides of main tank 1, odd-side 2 is tightly connected with main tank 1, hermatic door is arranged between two the casees, and the opening and closing hermatic door can be realized being communicated with of main tank 1 and odd-side 2 respectively and separate; The front of main tank 1 is equipped with two or more gloves hole 9; The main tank 1 inside and outside aerosol fillter 7 that all is equipped with, this filtrator lays respectively at air intake opening 14 tops, 15 bottoms, gas outlet and exhausr port 13 bottoms, air intake opening 14 and gas outlet 15 lay respectively at the place, diagonal angle of main tank 1, and wherein air intake opening 14 is positioned on the operation planar of main tank 1 bottom.
Preferably, described atmosphere control device is made up of atmosphere controller 3 and steel cylinder 11, wherein in the steel cylinder 11 argon gas is housed, atmosphere controller 3 comprises blower fan and decontaminating column, blower fan control argon gas passes through aerosol fillter, the aerosol fillter of bottom, gas outlet, the gas outlet on air intake opening 14, air intake opening top successively, after the red copper pipeline enters decontaminating column and blower fan in the atmosphere controller 3, enter circulation in the main tank 1 again then; Decontaminating column comprises copper catalyst and molecular sieve, respectively oxygen, the water in the decontamination cycle gas.
Preferably; the high temperature resistant well formula that is tightly connected below main tank 1 casing is protected tube, and the peripheral well-type electric furnace of being furnished with for heating of this protection tube protects tube to be positioned at electric stove hearth; treat that the fusion material is arranged in the sample disc 16 of protection tube bottom, sample disc can be moved upward in the main tank.
Preferably, above main tank 1 center of top and well formula protection tube, locate to be equipped with cooler pan 8.
Preferably, described refuse transporter 6 comprises the independently waste transfer bucket of body with cover of a sealing lid that is installed in main tank one side and, on two lids sealing rubber ring is arranged all; By the mode of rotating waste transfer bucket crush seal rubber ring two lids being closely cooperated is the combination lid; The back combination lid that closely cooperates can be opened, and material in the main tank is transferred in the waste transfer bucket; After finishing waste transfer, will make up lid and shut, and by reverse rotation waste transfer bucket with two lids separately.
Preferably, also is furnished with pressure automatic control system on the main tank 1, this system comprises pressure transducer, digital display monitor, solenoid valve, set the main tank internal pressure and be-200Pa ~-400Pa, when the main tank internal pressure departs from the setup pressure value scope, pressure automatic control system will start solenoid valve automatically and carry out tonifying Qi or venting, realize that the main tank internal pressure is in arranging scope.
The method of operating of utilizing this device to carry out the dry method post-processing operation is:
At first the digital display controller by pressure automatic control system carries out glove box internal pressure parameter and sets, make the glove box internal pressure be in little negative pressure (200Pa ~-400Pa) working environment.When main tank internal pressure during less than minimum setting value, system's indication automatically open the solenoid valve that is connected in gas bomb, utilizes pressure differential to carry out tonifying Qi in glove box, closes automatically after the case internal pressure reaches minimum setting value; When main tank internal pressure during greater than the highest setup pressure value, system's indication automatically open solenoid valve and the vacuum pump that is connected in exhausr port, and the outside exhaust of the power that utilizes vacuum pump to provide recovers to close automatically after the highest setting value up to the case internal pressure.
Start " circulation " instruction on the digital display controller, atmosphere control device namely is opened.Atmosphere control device mainly comprises blower fan and controller, and wherein blower fan provides power for circulation in the gas, and copper catalyst and molecular sieve in the decontaminating column can be distinguished oxygen contained in the decontamination cycle gas and water.Water, oxygen content in the real-time monitoring atmosphere of digital display controller.Radioaerosol in the recyclegas is regularly replaced filter element by the radioaerosol filter traps at gas outlet in the case and air intake opening place, reduces operating personnel's radioactivity irradiation.
Material is introduced by odd-side.When introducing material, the hermatic door between odd-side and the main tank (inner door) is in closed condition, and keep little negative pressure in the odd-side (~ 300Pa); Open the odd-side outer door, material is introduced odd-side; Close the odd-side outer door, applying argon gas cleans odd-side; Close the cleaning argon gas, open the equalizing valve of odd-side and main tank, make the pressure equilibrium in two casees; Open the odd-side inner door at last, material is transferred in the main tank from odd-side.
In the experimentation, will treat that at first fusion material (research material) puts into the sample disc of protection tube bottom, and start electric furnace heat fused material, and carry out corresponding experiment.For reducing the influence that the heat that produces in the electric furnace heating process brings instrument and experimental implementation; in protection tube upper end and main tank top center cooler pan is installed, takes away the heat in the gas in glove box bottom operation planar and the case by circulating coolant in the refrigeration machine.
The refuse that produces in the experimentation shifts by the refuse transporter.The waste transfer bucket of body with cover is docked with the main tank hermatic door of body with cover, realize closely cooperating by the sealing rubber ring on two lids of rotation extruding, open the combination lid from main tank inside again, material in the main tank is transferred in the waste transfer bucket, after finishing waste transfer, to make up lid and shut, and by reverse rotation waste transfer bucket mode with two lids separately.Utilize the refuse transporter, can under the prerequisite of not destroying inert ambient environment in the glove box, carry out the transfer of radioactive waste, and avoided refuse to shift the cross pollution that causes from odd-side again.
Claims (8)
1. glove box that is used for the dry method aftertreatment, it is characterized in that, this glove box mainly is made up of main tank, odd-side, atmosphere control device, refuse transporter, aerosol fillter, automatic pressure control device, wherein odd-side and refuse transporter lay respectively at the both sides of main tank, odd-side and main tank are tightly connected, hermatic door is arranged between two the casees, and the opening and closing hermatic door can be realized being communicated with of main tank and odd-side respectively and separate; The front of main tank is equipped with two or more gloves hole; The inside and outside aerosol fillter that all is equipped with of main tank, this filtrator lays respectively at air intake opening top, bottom, gas outlet and exhausr port bottom.
2. a kind of glove box for the dry method aftertreatment according to claim 1, it is characterized in that, described atmosphere control device is made up of atmosphere controller and steel cylinder, wherein in the steel cylinder inert gas is housed, atmosphere controller comprises blower fan and decontaminating column, blower fan control inert gas passes through aerosol fillter, the aerosol fillter of bottom, gas outlet, the gas outlet on air intake opening, air intake opening top successively, after pipeline enters decontaminating column and blower fan in the atmosphere controller, enter circulation in the main tank again then; Decontaminating column comprises copper catalyst and molecular sieve, respectively oxygen, the water in the decontamination cycle gas.
3. a kind of glove box for the dry method aftertreatment according to claim 2 is characterized in that, described air intake opening and gas outlet lay respectively at the place, diagonal angle of main tank, and wherein air intake opening is positioned at the main tank bottom.
4. a kind of glove box for the dry method aftertreatment according to claim 1; it is characterized in that; a high temperature resistant well formula protection tube is tightly connected below the main tank casing; the peripheral well-type electric furnace of being furnished with for heating of this protection tube; the protection tube is positioned at electric stove hearth; treat that the fusion material is arranged in the sample disc of protection tube bottom, sample disc can be moved upward in the main tank.
5. according to claim 1 or 4 described a kind of glove boxes for the dry method aftertreatment, it is characterized in that, above main tank top center position and well formula protection tube, locate to be equipped with cooler pan.
6. a kind of glove box for the dry method aftertreatment according to claim 1, it is characterized in that, described refuse transporter comprises the independently waste transfer bucket of body with cover of a sealing lid that is installed in main tank one side and, on two lids sealing rubber ring is arranged all; By the mode of rotating waste transfer bucket crush seal rubber ring two lids being closely cooperated is the combination lid; The back combination lid that closely cooperates can be opened, and material in the main tank is transferred in the waste transfer bucket; After finishing waste transfer, will make up lid and shut, and by reverse rotation waste transfer bucket with two lids separately.
7. a kind of glove box for the dry method aftertreatment according to claim 1, it is characterized in that, also is furnished with pressure automatic control system on the main tank, this system comprises pressure transducer, digital display monitor, solenoid valve, set the main tank internal pressure and be-200Pa ~-400Pa, when the main tank internal pressure departs from the setup pressure value scope, pressure automatic control system will start solenoid valve automatically and carry out tonifying Qi or venting, realize that the main tank internal pressure is in arranging scope.
8. a kind of glove box for the dry method aftertreatment according to claim 2 is characterized in that, the inert gas of dress is argon gas in the described steel cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310280108.6A CN103337269B (en) | 2013-07-05 | 2013-07-05 | A kind of glove box for dry method aftertreatment |
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| CN201310280108.6A CN103337269B (en) | 2013-07-05 | 2013-07-05 | A kind of glove box for dry method aftertreatment |
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| CN103337269A true CN103337269A (en) | 2013-10-02 |
| CN103337269B CN103337269B (en) | 2015-07-29 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175333A (en) * | 2014-07-22 | 2014-12-03 | 张德龙 | Multifunctional glovebox purification device |
| CN105092508A (en) * | 2015-07-20 | 2015-11-25 | 中国科学院上海应用物理研究所 | Comprehensive spectrometer |
| CN105719712A (en) * | 2016-02-02 | 2016-06-29 | 中国原子能科学研究院 | Sandwich-type inert gas shielding hot chamber |
| TWI594854B (en) * | 2015-07-10 | 2017-08-11 | A glovebox monitoring and control system and its monitoring and control method | |
| CN108447581A (en) * | 2018-04-23 | 2018-08-24 | 何辉 | A kind of Radioactive myocardial damage processing unit and its method |
| CN108562572A (en) * | 2018-06-29 | 2018-09-21 | 中国原子能科学研究院 | A kind of inductively-coupled plasma spectrometer seal operation case |
| CN109256229A (en) * | 2018-09-20 | 2019-01-22 | 原子高科股份有限公司 | A kind of double-canopy sealing transloading equipment |
| CN111613360A (en) * | 2019-03-05 | 2020-09-01 | 中国原子能科学研究院 | Tritium removing process and device for tritium-containing radioactive solid wet waste |
| CN111781295A (en) * | 2020-07-10 | 2020-10-16 | 核工业北京地质研究院 | PH/EH test method |
| CN111992160A (en) * | 2020-07-09 | 2020-11-27 | 中国人民解放军63653部队 | Self-propagating high-temperature synthesis system capable of solidifying radioactive contaminated sandy soil |
| CN112213344A (en) * | 2019-07-09 | 2021-01-12 | 万向一二三股份公司 | Method for judging lithium separation of pole piece of soft package lithium ion battery |
| CN112599279A (en) * | 2020-12-18 | 2021-04-02 | 杭州景业智能科技股份有限公司 | Automatic packaging method and system for radioactive material |
| CN112808327A (en) * | 2021-02-04 | 2021-05-18 | 宁夏科博生物科技有限公司 | Portable oxygen deficiency operation panel of no reoxygenation risk |
| CN113477023A (en) * | 2021-06-10 | 2021-10-08 | 中国科学院合肥物质科学研究院 | Purification system and method suitable for laboratory radioactive gas treatment |
| CN114101854A (en) * | 2021-12-27 | 2022-03-01 | 华中科技大学 | Large-scale forming cabin for electric arc additive manufacturing |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175333A (en) * | 2014-07-22 | 2014-12-03 | 张德龙 | Multifunctional glovebox purification device |
| CN104175333B (en) * | 2014-07-22 | 2016-04-20 | 威格气体纯化科技（苏州）股份有限公司 | A kind of multifunctional hand casing purifier |
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| CN109256229A (en) * | 2018-09-20 | 2019-01-22 | 原子高科股份有限公司 | A kind of double-canopy sealing transloading equipment |
| CN109256229B (en) * | 2018-09-20 | 2023-10-31 | 原子高科股份有限公司 | Double-cover sealing transfer equipment |
| CN111613360A (en) * | 2019-03-05 | 2020-09-01 | 中国原子能科学研究院 | Tritium removing process and device for tritium-containing radioactive solid wet waste |
| CN112213344A (en) * | 2019-07-09 | 2021-01-12 | 万向一二三股份公司 | Method for judging lithium separation of pole piece of soft package lithium ion battery |
| CN112213344B (en) * | 2019-07-09 | 2024-06-07 | 万向一二三股份公司 | Determination method for lithium separation of pole piece of soft-package lithium ion battery |
| CN111992160B (en) * | 2020-07-09 | 2022-06-28 | 中国人民解放军63653部队 | Self-propagating high-temperature synthesis system capable of solidifying radioactive contaminated sandy soil |
| CN111992160A (en) * | 2020-07-09 | 2020-11-27 | 中国人民解放军63653部队 | Self-propagating high-temperature synthesis system capable of solidifying radioactive contaminated sandy soil |
| CN111781295A (en) * | 2020-07-10 | 2020-10-16 | 核工业北京地质研究院 | PH/EH test method |
| CN112599279B (en) * | 2020-12-18 | 2023-08-22 | 杭州景业智能科技股份有限公司 | Automatic packaging method and system for radioactive materials |
| CN112599279A (en) * | 2020-12-18 | 2021-04-02 | 杭州景业智能科技股份有限公司 | Automatic packaging method and system for radioactive material |
| CN112808327A (en) * | 2021-02-04 | 2021-05-18 | 宁夏科博生物科技有限公司 | Portable oxygen deficiency operation panel of no reoxygenation risk |
| CN113477023A (en) * | 2021-06-10 | 2021-10-08 | 中国科学院合肥物质科学研究院 | Purification system and method suitable for laboratory radioactive gas treatment |
| CN114101854A (en) * | 2021-12-27 | 2022-03-01 | 华中科技大学 | Large-scale forming cabin for electric arc additive manufacturing |
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