CN102412005A - Adsorption processing device of slurry circulation radioactive wastewater - Google Patents
Adsorption processing device of slurry circulation radioactive wastewater Download PDFInfo
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- CN102412005A CN102412005A CN201110299327XA CN201110299327A CN102412005A CN 102412005 A CN102412005 A CN 102412005A CN 201110299327X A CN201110299327X A CN 201110299327XA CN 201110299327 A CN201110299327 A CN 201110299327A CN 102412005 A CN102412005 A CN 102412005A
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- radioactive wastewater
- mainframe box
- tubular reactor
- filtration unit
- pulpous state
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Abstract
The invention discloses an adsorption processing device of slurry circulation radioactive wastewater, comprising a mainframe box, a multi-stage tubular reactor arranged at the upper part of the mainframe box, a filter device arranged at the lower part of the mainframe box, and an ejector arranged at the lower end of the multi-stage tubular reactor, wherein the multi-stage tubular reactor is internally provided with a static mixer; a slurry adsorbent is arranged in the whole space of the mainframe box and the filter device; the ejector is provided with a high-speed radioactive wastewater feed inlet and a vacuum adsorbent feed inlet respectively; the filter device is cylindrical and is provided with a rotating shaft the periphery of which is provided with dynamic vanes; the wall of the filter device is provided with a filter film one end of which is provided with a clear solution outlet; and the filter device is also provided with a slurry adsorbent outlet. The adsorption processing device can continuously and automatically process radioactive wastewater with high processing efficiency, has the advantages of good inter-phase contact, large volumetric mass transfer coefficient and low energy consumption, and is easy to operate.
Description
Technical field
The invention relates to waste water disposal facility, relate in particular to the adsorbent equipment of a kind of radioactive wastewater in a kind of Nuclear Fuel Cycle and Materials field.
Background technology
Radioactive wastewater is meant the waste water that nuclear fuel pre-treatment and aftertreatment, nuclear power station, application of radiation property Isotope Research, hospital, factory etc. discharge.For radioactivity
Waste waterMain removal to as if having radioactive heavy metal element.Exploration has for many years been carried out in the application of radioactive wastewater treatment technology in nuclear power station and nuclear facilities; And obtained bigger development; Radioactive wastewater is handled and almost have been attempted technology and method all in the water treatment field, and methods such as for example chemical precipitation, ionic adsorption, electrodialysis, membrane technology, evaporation have all obtained application in the radioactivity process field.
The ionic adsorption method is handled radioactive wastewater; Be to adopt porous solid adsorbent; A kind of or the several elements that makes in the radioactive wastewater to be contained is adsorbed on the surface of solid adsorbent, thereby reaches the purpose of removing the radioactivity heavy metal, in real work, is used widely.The radioactive liquid waste treatment equipment of prior art mainly concentrates on the membrane technology field that volume is little, operating automation degree is high, but for adopting the ionic adsorption method to carry out the set of equipments that radioactive wastewater is handled, has not met report so far.
Summary of the invention
The object of the invention; Provide the automatic disposal plant of a kind of radioactive wastewater based on the ionic adsorption method; It is pulpous state circulation radioactive wastewater adsorption treatment device; This device can purify disposal to the radioactive wastewater that in production and Development of Atomic Weapons, nuclear facilities operation, scientific experimentation, produces, and can reduce the unit fixed investment, also can in the nuclear leakage emergency processing, carry out the purification task; Also can be used for the processing of radioactive wastewater in the elimination of nuclear facilities process, also can solve the handling problem of the retired middle radioactive wastewater that produces of waste water disposal facility itself simultaneously.
The present invention is achieved through following technical scheme.
Pulpous state circulation radioactive wastewater adsorption treatment device comprises the thrower 4 that the lower end of filtration unit 11 that the bottom of multi-level tubular reactor 8 that the top of mainframe box 1 and mainframe box 1 is provided with, mainframe box 1 is provided with, multi-level tubular reactor 8 is provided with; Be provided with static mixer 6 in the said multi-level tubular reactor 8; Whole spaces of said mainframe box 1 and filtration unit 11 are provided with pulpous state adsorbent 15, and said thrower 4 is respectively arranged with radioactive wastewater high speed charging aperture 3 and adsorbent vacuum feed mouth 2, and radioactive wastewater high speed charging aperture 3 passes mainframe box 1 and communicates with the external world; Said filtration unit 11 is the round barrel shape structure; The home position of filtration unit 11 1 ends is provided with rotating shaft 10; The periphery of rotating shaft 10 evenly distributed and arranged has dynamic vane 9; Even distributed and arranged has filtering membrane 12 on the bucket wall of filtration unit 11, and bucket wall one end of each filtering membrane 12 is provided with purified liquor outlet 13, and the home position of filtration unit 11 other ends is provided with pulpous state adsorbent outlet 14.
The multi-level tubular reactor 8 that the top of said mainframe box 1 is provided with is 5～6.
The static mixer 6 that is provided with in the said multi-level tubular reactor 8 is 6～8.
The periphery of the said rotating shaft 10 evenly dynamic vane 9 of distributed and arranged is 6.
The filtering membrane 12 of even distributed and arranged is 14 on the bucket wall of said filtration unit 11.
The invention has the beneficial effects as follows, a kind of pulpous state circulation radioactive wastewater adsorption treatment device based on the ionic adsorption method is provided, its major advantage is to realize disposing automatically continuously of radioactive wastewater; Treatment effeciency is high; Alternate contact well, volume transmission quality coefficient is big, uses static mixing device simultaneously; Reach low energy consumption, easy-operating effect.Because mixing, mass transport process between the solid, liquid two-phase have been strengthened in the use of static mixer and circulating of solid phase in the pulpous state circulation radioactive wastewater adsorption treatment device.Simultaneously, the piece-rate system of pulpous state circulation radioactive wastewater adsorption treatment device adopts the cross flow filter type, has continuous, stable operation, does not produce filter cake, the separation efficiency advantages of higher.
Description of drawings
Fig. 1 is the structural representation of pulpous state circulation radioactive wastewater adsorption treatment device of the present invention.
Description of reference numerals is following:
1---mainframe box 2---adsorbent vacuum feed mouth
3---radioactive wastewater high speed charging aperture 4---thrower
5---support 6---static mixer
7---flange 8---multi-level tubular reactor
9---dynamic vane 10---rotating shaft
11---filtration unit 12---filtering membrane
The outlet of 13---purified liquor outlet 14---pulpous state adsorbent
15---the pulpous state adsorbent
Embodiment
Pulpous state circulation radioactive wastewater adsorption treatment device of the present invention adopts traditional production process to make.
Referring to Fig. 1, pulpous state circulation radioactive wastewater adsorption treatment device comprises mainframe box 1, multi-level tubular reactor 8, thrower 4 and filtration unit 11, and each unit interface place adopts flange to connect.The top of mainframe box 1 is provided with multi-level tubular reactor 8, and this treating apparatus is made up of 5～6 multi-level tubular reactors 8, has support 5 to be connected between the multi-level tubular reactor, and whole spaces of mainframe box 1 and filtration unit 11 are full of pulpous state adsorbent 15; Be provided with 6～8 static mixers 6 in the multi-level tubular reactor 8; The lower end of multi-level tubular reactor 8 is provided with thrower 4; Thrower 4 is respectively arranged with radioactive wastewater high speed charging aperture 3 and adsorbent vacuum feed mouth 2, and radioactive wastewater high speed charging aperture 3 passes mainframe box 1 and communicates with the external world.When the radioactive wastewater high speed charging aperture 3 of radioactive wastewater via thrower 4, after high speed was injected multi-level tubular reactor 8, formed negative pressure in the thrower this moment, and the muddy sorbing material is passed through 2 suctions of adsorbent vacuum feed mouth.The pulpous state sorbing material mixes with radioactive wastewater, together injects multi-level tubular reactor 8 again.In multi-level tubular reactor 8, be provided with static mixer 6, can under unpowered condition, realize the abundant mixing of solid, liquid two-phase, in the flow process of mixed liquor, improved mass-transfer efficiency.Radioactive wastewater mixes via thrower with the pulpous state sorbing material, can be through regulating jet velocity to regulate blending ratio.
Solid, liquid two-phase is through behind the multi-level tubular reactor 8, and mass transport process has obtained fully carrying out, and its mixed liquor injects filtration unit 11 through pipeline.Said filtration unit 11 is the drum structure; The home position of filtration unit 11 1 ends is provided with rotating shaft 10; The periphery of rotating shaft 10 evenly distributes 6 dynamic vanes 9 is installed; Evenly distributing on the bucket wall of filtration unit 11 is equipped with 14 filtering membranes 12, and bucket wall one end of each filtering membrane 12 is provided with purified liquor outlet 13, and the home position of filtration unit 11 other ends is provided with pulpous state adsorbent outlet 14.Filtration unit adopts cross flow to filter; The pulpous state adsorbent is evenly distributed in the mainframe box of pulpous state circulation radioactive wastewater adsorption treatment device; Through behind the filtration unit; Clear water after the filtration is flowed out by purified liquor outlet 13, and the pulpous state adsorbent is again by recycling in the adsorbent vacuum feed mouth 2 access to plant mainframe boxes.Because in the filtration unit dynamic vane 9 is set, the centrifugal force of its rotation can make mixed liquor advance according to projected route.
Claims (5)
1. pulpous state circulation radioactive wastewater adsorption treatment device comprises the thrower (4) of the lower end setting of filtration unit (11) that the bottom of multi-level tubular reactor (8) that the top of mainframe box (1) and mainframe box (1) is provided with, mainframe box (1) is provided with and multi-level tubular reactor (8); Be provided with static mixer (6) in the said multi-level tubular reactor (8); Whole spaces of said mainframe box (1) and filtration unit (11) are provided with pulpous state adsorbent (15); Said thrower (4) is respectively arranged with radioactive wastewater high speed charging aperture (3) and adsorbent vacuum feed mouth (2), and radioactive wastewater high speed charging aperture (3) passes mainframe box 1 and communicates with the external world; Said filtration unit (11) is the round barrel shape structure; The home position of filtration unit (11) one ends is provided with rotating shaft (10); The periphery of rotating shaft (10) evenly distributed and arranged has dynamic vane (9); Even distributed and arranged has filtering membrane (12) on the bucket wall of filtration unit (11), and bucket wall one end of each filtering membrane (12) is provided with purified liquor outlet (13), and the home position of filtration unit 11 other ends is provided with pulpous state adsorbent outlet (14).
2. according to the pulpous state circulation radioactive wastewater adsorption treatment device of claim 1, it is characterized in that the multi-level tubular reactor (8) that the top of said mainframe box (1) is provided with is 5～6.
3. according to the pulpous state circulation radioactive wastewater adsorption treatment device of claim 1, it is characterized in that the static mixer (6) that is provided with in the said multi-level tubular reactor (8) is 6～8.
4. according to the pulpous state circulation radioactive wastewater adsorption treatment device of claim 1, it is characterized in that the periphery of said rotating shaft (10) the evenly dynamic vane (9) of distributed and arranged is 6.
5. according to the pulpous state circulation radioactive wastewater adsorption treatment device of claim 1, it is characterized in that the filtering membrane (12) of even distributed and arranged is 14 on the bucket wall of said filtration unit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110299327 CN102412005B (en) | 2011-10-08 | 2011-10-08 | Adsorption processing device of slurry circulation radioactive wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110299327 CN102412005B (en) | 2011-10-08 | 2011-10-08 | Adsorption processing device of slurry circulation radioactive wastewater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102412005A true CN102412005A (en) | 2012-04-11 |
| CN102412005B CN102412005B (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110299327 Expired - Fee Related CN102412005B (en) | 2011-10-08 | 2011-10-08 | Adsorption processing device of slurry circulation radioactive wastewater |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020050468A1 (en) * | 2000-03-13 | 2002-05-02 | Jack Moorehead | Mixing unit for a system for separating algae and other contaminants from a water stream |
| US20030148874A1 (en) * | 2000-02-04 | 2003-08-07 | Adolphe Weber | Process and device for the reduction of radioactive waste and particularly from filters called iodine traps, in particular in nuclear centers and in centers for nuclear studies |
| CN101381172A (en) * | 2008-10-30 | 2009-03-11 | 浙江玉泉环境工程有限公司 | Circulating reuse method of pickling depleted brine and apparatus thereof |
| CN101481175A (en) * | 2009-02-17 | 2009-07-15 | 天津市天水环保设计工程有限公司 | V shaped groove type microgrid component capable of continuously on-line updating dynamic membrane and use method thereof |
| CN201965936U (en) * | 2010-12-30 | 2011-09-07 | 核工业理化工程研究院华核新技术开发公司 | Radioactive sewage emergency treatment system with three-prevention function |
-
2011
- 2011-10-08 CN CN 201110299327 patent/CN102412005B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030148874A1 (en) * | 2000-02-04 | 2003-08-07 | Adolphe Weber | Process and device for the reduction of radioactive waste and particularly from filters called iodine traps, in particular in nuclear centers and in centers for nuclear studies |
| US20020050468A1 (en) * | 2000-03-13 | 2002-05-02 | Jack Moorehead | Mixing unit for a system for separating algae and other contaminants from a water stream |
| CN101381172A (en) * | 2008-10-30 | 2009-03-11 | 浙江玉泉环境工程有限公司 | Circulating reuse method of pickling depleted brine and apparatus thereof |
| CN101481175A (en) * | 2009-02-17 | 2009-07-15 | 天津市天水环保设计工程有限公司 | V shaped groove type microgrid component capable of continuously on-line updating dynamic membrane and use method thereof |
| CN201965936U (en) * | 2010-12-30 | 2011-09-07 | 核工业理化工程研究院华核新技术开发公司 | Radioactive sewage emergency treatment system with three-prevention function |
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| CN102412005B (en) | 2013-07-03 |
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