CN104966540B - Solid waste treatment method is put during a kind of plasma is low - Google Patents
Solid waste treatment method is put during a kind of plasma is low Download PDFInfo
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- CN104966540B CN104966540B CN201510237616.5A CN201510237616A CN104966540B CN 104966540 B CN104966540 B CN 104966540B CN 201510237616 A CN201510237616 A CN 201510237616A CN 104966540 B CN104966540 B CN 104966540B
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- solid waste
- plasma
- volume reduction
- treatment method
- waste
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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
- G21F9/28—Treating solids
- G21F9/30—Processing
- G21F9/301—Processing by fixation in stable solid media
- G21F9/302—Processing by fixation in stable solid media in an inorganic matrix
- G21F9/305—Glass or glass like matrix
Abstract
The invention discloses a kind of plasma it is low in put solid waste treatment method, including：Radioactive solid waste is classified, different classes of solid waste category be contained in different pails for used dressings respectively, and measures；Successively by the additive of the waste category addition correspondence formula after above-mentioned metering, and whole bucket break process is carried out, be conveyed to plasma melting stove and carry out melt process；The fused mass of melting furnace discharge is drained into reception container, when receive be transferred to after container is filled insulation annealing station be incubated, annealed, Slow cooling, formation homogeneous ground glass solidified body；By the reception Container transfering after the completion of solidification to dose measurement station, carry out radioactive dosage detection and transport storage.Implement the present invention, the good glass solidified body of homogeneous and performance can be formed, and treatment effeciency can be improved.
Description
Technical field
The present invention relates to the waste processing arts of nuclear power plant, put during more particularly to a kind of plasma is low at solid waste
Reason method.
Background technology
Nuclear power plant inevitably results from a certain amount of radwaste in operation and maintenance process, these radioactivity
Waste can final disposal after must pass through the stable containing processing of such as radionuclide.At present, it is useless for solid radioactive
Thing, the general handling process of domestic nuclear power plant is cement solidification technology, but its compatibilization is excessive, is brought to radioactive-waste disposal
Very big pressure.
In addition, have also appeared a kind of plasma technique in the prior art to handle radwaste.This plasma
Body technique is that the characteristics of having higher temperature and energy density using hot plasma, waste quickly is carried out into Pintsch process, its
Product is glassy state inorganic matter, and produced gas is decomposed into atom and simplest by the reduction reaction under hot environment
Molecule, can be by the toxic organic compound of some in radwaste（Particularly bioxin and furans）Thoroughly it is decomposed into nontoxic small
Molecular substance.
Therefore, plasma treatment technique is applicable to low level waste disposal in most of nuclear power station, is particularly suitable for use in
The processing of incombustible refuse.For debirs, the high temperature of hot plasma can decompose organic principle, the small molecule after decomposition
Gas further burns under aerobic environment；For inorganic wastes, the high temperature of hot plasma can also melt inorganic constituents,
So as to form glass solidified body after containing radionuclide, cooling.
But, the quality of input and output material process directly affects the performance of firming body.How by plasma it is low in put solid
Body waste treatment method, to ensure that glass solidified body is formed, and glass solidified body have certain mechanical performance, it is stability, resistance to
The features such as radiation property and water-resistance, and avoid operating personnel from being influenceed by irradiation dose, it is undoubtedly a kind of challenge.
The content of the invention
The technical problems to be solved by the invention are to be used to put Solid Waste Treatment side during plasma is low there is provided one kind
Method, can form the good glass solidified body of homogeneous and performance, and can improve treatment effeciency.
In order to solve the above technical problems, solid waste treatment method is put during a kind of plasma of offer of the embodiment of the present invention is low,
Including：
Radioactive solid waste is classified, and sorted or partition processing, and by different classes of solid waste
Category is contained in different pails for used dressings respectively, and is measured；
Successively by the additive of the waste category addition correspondence formula after above-mentioned metering, and carry out whole bucket break process,
Waste material after being crushed by auger conveyor at the uniform velocity, is equably conveyed to plasma melting stove and carries out melt process；
Vessel port will be received to connect relatively with the outlet of melting furnace discharge system, starting protection system makes temperature rise to the formula
Under vitreum formation temperature, open discharge system, make melting furnace discharge fused mass drain into reception container in, when receive hold
Device be transferred to after filling insulation annealing station be incubated, annealed, Slow cooling, formed homogeneous ground glass solidified body；
By the reception Container transfering after the completion of solidification to dose measurement station, carry out radioactive dosage detection and transport storage
Deposit.
Preferably, it is described that radioactive solid waste is classified, and sorted or included the step of decoupling processing：
According to volume reduction degree after plasma treatment, radwaste is classified, is divided into easy volume reduction waste and is difficult to subtract
Hold the major class of waste two, and be respectively processed；
Wherein, to the metal being difficult in volume reduction radwaste, the direct barrelling fixing process of mud class and store, to easily subtracting
Rock cotton insulation material in receiving injectivity waste is used as additive.
Preferably, it is described that radioactive solid waste is classified, and sorted or included the step of decoupling processing：
To in the paper in easy volume reduction radwaste, clothing, plastics, rubber-like waste delivery to conveyer belt, incoming point
System is picked, metal is sorted out in sorting system, then by other waste barrellings；The place point concentrated if high dose
Powder amount barrelling, is transported to metrology station and carries out Weighing, and store relevant information after installing.
Preferably, it is described that radioactive solid waste is classified, and sorted or included the step of decoupling processing；
It is divided into two classes according to acid-base property for spent resin in easy volume reduction radwaste, barrelling metering, Ran Houfen respectively
From storage.
Preferably, it is described that radioactive solid waste is classified, and sorted or included the step of decoupling processing；
Filter cartridge in easy volume reduction radwaste is transported to tear open and cuts hot cell progress partition processing, metalwork is torn open,
Cut out, the part of wherein recoverable is reclaimed, wherein expendable part is then transported and fixing process storage
Deposit；
Miscellaneous part in addition to metal is measured, and is fitted into storage, recording-related information in pail for used dressings.
Preferably, described to connect reception vessel port relatively with the outlet of melting furnace discharge system, starting protection system makes temperature
The formation temperature of the vitreum risen under the formula is spent, discharge system is opened, the fused mass for discharging melting furnace, which drains into reception, to be held
Step in device is specifically included：
Glass solidified body protection system mask door is opened, empty reception container is transferred to protection system to splicing station, connect
After receptacle enters and close shield door；
Start lifting body to be docked reception vessel port with discharge system outlet；
Starting protection system, opens discharge system after protection system is stable and carries out discharge processing.
Preferably, the reception Container transfering by after the completion of solidification carries out radioactive dosage inspection to dose measurement station
Survey and further comprise the step of transporting storage：
Glass solidified body cross-docking storage standard compliant to testing result, to the non-compliant glass of testing result
Firming body is set with cask flask, is then transported through storage.
Implement the present invention, with following beneficial effect：
Solid waste treatment method is put during a kind of plasma for being provided in the embodiment of the present invention is low, solid waste can be entered
Row classification is handled, it is adaptable to the processing of many kinds of solids radwaste input and output material, and is carried out after classification processing, the different glass of correspondence
Change formula, meanwhile, carry out the addition for being conducive to quantifying additive after classification metering, it is ensured that glass solidification weight；
Meanwhile, whole technical process is all operated using pipelining, is conducive to improving treatment effeciency, and can reduce
Radiation to operating personnel；
It is additionally, since in vitreum solidification process, employs protection system, and receives after container is filled and need to be transferred to
Insulation annealing station is incubated, annealed, Slow cooling, it is ensured that is formed homogeneous ground glass solidified body, is made to be obtained
Glass solidified body performance it is stable, the features such as with certain mechanical performance, stability, radioresistance and water-resistance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 be a kind of plasma for providing of the present invention it is low in put main flow in one embodiment of solid waste treatment method
Schematic diagram；
Fig. 2 corresponds to Fig. 1 more detailed schematic flow sheet；
Fig. 3 be a kind of plasma for providing of the present invention it is low in put local in another embodiment of solid waste treatment method
Flow is illustrated.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, showing low one embodiment for putting solid waste treatment method in the plasma that the present invention is provided
Main flow schematic diagram, in this embodiment, mainly for ensureing radwaste input and output material rationally and ensureing glass solidified body
Formed, meet glass solidified body performance requirement, homogeneous ground glass solidification can be formed after the input and output material process
Body, the features such as with certain mechanical performance, stability, radioresistance and water-resistance.Specifically, solid is put during the plasma is low
Waste treatment method, comprises the following steps：
Step S10, classifies to radioactive solid waste, and is sorted or partition processing, and will be different classes of
Solid waste category is contained in different pails for used dressings respectively, and is measured；
Step S12, successively by the additive of the waste category addition correspondence formula after above-mentioned metering, and it is broken to carry out whole bucket
Broken processing, the waste material after being crushed by auger conveyor at the uniform velocity, is equably conveyed to plasma melting stove and carried out at melting
Reason；
Step S14, will receive vessel port and be connect relatively with the outlet of melting furnace discharge system, starting protection system makes temperature liter
The formation temperature of vitreum under to the formula, opens discharge system, and the fused mass for discharging melting furnace is drained into reception container,
When receive be transferred to after container is filled insulation annealing station be incubated, annealed, Slow cooling, form homogeneous ground glass solid
Change body；
Step S16, by the reception Container transfering after the completion of solidification to dose measurement station, carries out radioactive dosage detection simultaneously
Transhipment storage.
As shown in Fig. 2 corresponding to Fig. 1 more detailed schematic flow sheet；It specifically includes following steps：
In step slo, according to volume reduction degree after plasma treatment, radwaste is classified, is divided into easy volume reduction
Waste and the major class of volume reduction waste two is difficult, and be respectively processed；
Wherein, be difficult volume reduction radwaste according to can handle and using be divided into metal, mud class and rock wool etc. insulation
Material class.To be difficult in volume reduction radwaste metal, mud class, due to not available, then direct barrelling fixing process is simultaneously
Storage, is used as additive the rock cotton insulation material in easy volume reduction radwaste.
Easy volume reduction radwaste is according to type classified, and is divided into the classes such as paper, clothing, plastics, rubber, spent resin class
With filtration core subclass.To in the paper in easy volume reduction radwaste, clothing, plastics, rubber-like waste delivery to conveyer belt, passing
Enter sorting system, sort out metal in sorting system, then by other waste barrellings；The ground concentrated if high dose
Square dispersion dosage barrelling, is transported to metrology station and carries out Weighing, and store relevant information after installing；
Need not enter sorting system for spent resin in easy volume reduction radwaste, it is only necessary to according to source waste acid,
The class of alkali resin two, respectively barrelling metering, then separation storage；
Filter cartridge in easy volume reduction radwaste is transported to tear open and cuts hot cell progress partition processing, metalwork is torn open,
Cut out, the part of wherein recoverable is reclaimed, wherein expendable part is then transported and fixing process storage
Deposit；Miscellaneous part in addition to metal is measured, and is fitted into storage, recording-related information in pail for used dressings.
In step s 12, successively by after above-mentioned metering waste category addition correspondence formula additive, addition it is many
It is few to be determined according to the amount of waste, and whole bucket break process is carried out, the waste material after being crushed by auger conveyor is at the uniform velocity, uniformly
Ground is conveyed to plasma melting stove and carries out melt process, is reprocessed wherein needing to have handled after a class waste
Another kind of waste；
In step S14, by discharge system, the fused mass for discharging melting furnace is drained into reception container, is held when receiving
Device be transferred to after filling insulation annealing station be incubated, annealed, Slow cooling, formed homogeneous ground glass solidified body, its
In, corresponding to different formulas, the scheme of the different insulation annealing of correspondence；
In step s 16, by the reception Container transfering after the completion of solidification to dose measurement station, radioactive dosage inspection is carried out
Survey and transport storage, specifically, glass solidified body cross-docking storage standard compliant to testing result is not inconsistent testing result
The glass solidified body suit cask flask of standardization, is then transported through storage.
As shown in figure 3, be a kind of plasma for providing of the present invention it is low in put another implementation of solid waste treatment method
Local flow signal in example.Itself and Fig. 2 difference are, have been further listed in figure 3 when discharge system is operated more
The step of details.Specifically, step S14 further comprises the steps：
Glass solidified body protection system mask door is opened, wherein glass solidified body protection system, which is one, has function of shielding
Receiving space, the inside is provided with firing equipment, it is possible to achieve a variety of heating and thermal insulation schemes；
Empty reception container is transferred to protection system to splicing station；
Receive after container enters and close shield door；
Start lifting body to be docked reception vessel port with discharge system outlet；
Starting protection system, after protection system is stable（The formation temperature for the vitreum that temperature is risen under the formula）, beat
Open discharge system and carry out discharge processing；
When receive be transferred to after container is filled insulation annealing station be incubated, annealed, Slow cooling, formation is homogeneous
Ground glass solidified body, wherein, corresponding to different formulas, the scheme of the different insulation annealing of correspondence.
Other steps in the present embodiment, are referred to the foregoing description to Fig. 2, a bit without being described in detail.
Implement the present invention, with following beneficial effect：
Solid waste treatment method is put during a kind of plasma for being provided in the embodiment of the present invention is low, solid waste can be entered
Row classification is handled, it is adaptable to the processing of many kinds of solids radwaste input and output material, and is carried out after classification processing, the different glass of correspondence
Change formula, meanwhile, carry out the addition for being conducive to quantifying additive after classification metering, it is ensured that glass solidification weight；
Meanwhile, whole technical process is all operated using pipelining, is conducive to improving treatment effeciency, and can reduce
Radiation to operating personnel；
It is additionally, since in vitreum solidification process, employs protection system, and receives after container is filled and need to be transferred to
Insulation annealing station is incubated, annealed, Slow cooling, it is ensured that is formed homogeneous ground glass solidified body, is made to be obtained
Glass solidified body performance it is stable, the features such as with certain mechanical performance, stability, radioresistance and water-resistance.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (6)
- Put solid waste treatment method during 1. a kind of plasma is low, it is characterised in that including：Radioactive solid waste is classified, and sorted or partition processing, and different classes of solid waste is pressed into class It is not contained in different pails for used dressings, and measures respectively；Successively by the additive of the waste category addition correspondence formula after above-mentioned metering, and whole bucket break process is carried out, passed through Waste material after auger conveyor will be crushed at the uniform velocity, is equably conveyed to plasma melting stove progress melt process；Vessel port will be received to connect relatively with the outlet of melting furnace discharge system, starting protection system makes temperature rise under the formula The formation temperature of vitreum, opens discharge system, and the fused mass for discharging melting furnace is drained into reception container, is filled when receiving container Be transferred to after full insulation annealing station be incubated, annealed, Slow cooling, formation homogeneous ground glass solidified body；By the reception Container transfering after the completion of solidification to dose measurement station, carry out radioactive dosage detection and transport storage；Wherein, described to connect reception vessel port relatively with the outlet of melting furnace discharge system, starting protection system rises to temperature The formation temperature of vitreum under the formula, opens discharge system, and the fused mass for discharging melting furnace is drained into reception container Step is specifically included：Glass solidified body protection system mask door is opened, empty reception container is transferred to protection system to splicing station, receives and holds After device enters and close shield door；Start lifting body to be docked reception vessel port with discharge system outlet；Starting protection system, opens discharge system after protection system is stable and carries out discharge processing.
- 2. put solid waste treatment method during a kind of plasma as claimed in claim 1 is low, it is characterised in that described pair of radiation Property solid waste is classified, and is sorted or included the step of decoupling processing：According to volume reduction degree after plasma treatment, radwaste is classified, is divided into easy volume reduction waste and is difficult volume reduction and give up The major class of thing two, and be respectively processed；Wherein, to the metal being difficult in volume reduction radwaste, the direct barrelling fixing process of mud class and store, easy volume reduction is put Rock cotton insulation material in injectivity waste is used as additive.
- 3. put solid waste treatment method during a kind of plasma as claimed in claim 2 is low, it is characterised in that described pair of radiation Property solid waste is classified, and is sorted or included the step of decoupling processing：It is incoming to sort system in the paper in easy volume reduction radwaste, clothing, plastics, rubber-like waste delivery to conveyer belt System, sorts out metal in sorting system, then by other waste barrellings；The local dispersant concentrated if high dose Barrelling is measured, metrology station is transported to after installing and carries out Weighing, and stores relevant information.
- 4. put solid waste treatment method during a kind of plasma as claimed in claim 2 is low, it is characterised in that described pair of radiation Property solid waste is classified, and is sorted or included the step of decoupling processing；It is divided into two classes according to acid-base property for spent resin in easy volume reduction radwaste, barrelling metering respectively, then separation storage Deposit.
- 5. put solid waste treatment method during a kind of plasma as claimed in claim 2 is low, it is characterised in that described pair of radiation Property solid waste is classified, and is sorted or included the step of decoupling processing；Filter cartridge in easy volume reduction radwaste is transported to tear open and cuts hot cell progress partition processing, metalwork is torn open, cut out Come, the part of wherein recoverable is reclaimed, wherein expendable part is then transported and fixing process storage；Miscellaneous part in addition to metal is measured, and is fitted into storage, recording-related information in pail for used dressings.
- 6. put solid waste treatment method during a kind of plasma as described in claim any one of 2-5 is low, it is characterised in that institute State the reception Container transfering after the completion of solidification to dose measurement station, the step of carrying out radioactive dosage detection and transport storage Further comprise：Glass solidified body cross-docking storage standard compliant to testing result, to the non-compliant glass solidification of testing result Body is set with cask flask, is then transported through storage.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106782731A (en) * | 2016-12-30 | 2017-05-31 | 天津梦之岛科技有限公司 | A kind of Radwastes treatment sorting arrangement |
| CN106910545B (en) * | 2017-03-23 | 2018-08-24 | 中国原子能科学研究院 | A kind of startup method for the processing of radioactive liquid waste cold crucible glass solidification |
| CN107274952B (en) * | 2017-07-13 | 2023-08-29 | 北京碧海能源装备有限公司 | Treatment system of medium-low radioactivity nuclear waste and power generation system with same |
| CN108831578A (en) * | 2017-09-30 | 2018-11-16 | 四川宇称科技有限公司 | A method of realizing the automatic pre-sorting of radioactive waste |
| CN110176322A (en) * | 2019-05-13 | 2019-08-27 | 江苏天楹环保能源成套设备有限公司 | A kind of middle low-activity solid waste volume reduction processing system and its method |
| CN111633001B (en) * | 2020-06-08 | 2022-07-01 | 青岛达能环保设备股份有限公司 | Industrial waste residue processing apparatus |
| CN114068057B (en) * | 2021-11-11 | 2024-03-19 | 中广核研究院有限公司 | Glass solidification treatment method for radioactive waste |
| CN114315134A (en) * | 2021-12-31 | 2022-04-12 | 西南科技大学 | Method for directly vitrifying high-level waste by using discharge plasma |
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| JPS55101100A (en) * | 1979-01-27 | 1980-08-01 | Daido Steel Co Ltd | Method of canning radioactive solid waste |
| US4341915A (en) * | 1979-03-13 | 1982-07-27 | Daidotokushuko Kabushikikaisha | Apparatus for filling of container with radioactive solid wastes |
| JPH0990095A (en) * | 1995-09-21 | 1997-04-04 | Japan Atom Power Co Ltd:The | Volume reduction processing method for low level radioactive miscellaneous solid waste and its system |
| JP3764528B2 (en) * | 1996-07-11 | 2006-04-12 | 財団法人電力中央研究所 | Plasma melting treatment method for radioactive solid waste and plasma melting treatment equipment used therefor |
| JP2989555B2 (en) * | 1996-11-22 | 1999-12-13 | 核燃料サイクル開発機構 | Method of melting radioactive solid waste |
| CN102157215B (en) * | 2011-03-16 | 2013-03-13 | 中科华核电技术研究院有限公司 | Method and device for treating radioactive wastes |
| CN102831945B (en) * | 2012-08-16 | 2015-10-21 | 中国科学院等离子体物理研究所 | Hot plasma process low, middle Intermediate Level Radioactive solid waste apparatus and method |
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Address after: 518053 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Applicant after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Applicant after: China General Nuclear Power Corporation Applicant after: China wide nuclear electricity incorporated company Address before: 518031 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Applicant before: Zhongkehua Nuclear Power Technology Institute Co., Ltd. Applicant before: China General Nuclear Power Corporation Applicant before: China wide nuclear electricity incorporated company |
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Effective date of registration: 20191111 Address after: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Patentee after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Address before: 518053 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Co-patentee before: China General Nuclear Power Corporation Patentee before: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Co-patentee before: China wide nuclear electricity incorporated company |