CN102623077B - Radioactive wastewater adsorption filter - Google Patents
Radioactive wastewater adsorption filter Download PDFInfo
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- CN102623077B CN102623077B CN201210100164.2A CN201210100164A CN102623077B CN 102623077 B CN102623077 B CN 102623077B CN 201210100164 A CN201210100164 A CN 201210100164A CN 102623077 B CN102623077 B CN 102623077B
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Abstract
The invention discloses a radioactive wastewater adsorption filter. The operation of replacing a filter bag is rapid and convenient; a compressing assembly is automatically loosened only by opening a top cover; after the compressing assembly is taken away, the filter bag filled with a filter material is rapidly lifted out from the upper part and a new filter bag with the filter material is put in again; and then, the compressing assembly is put back, the top cover is closed and the new absorption can be started. The filter bag is rapidly replaced to reduce the radiation on personnel to a maximum extent. Aiming at special nuclides, the filter bag with a characteristic absorption material is chosen or replaced, so that the removal rate of radioactive nuclides can be effectively improved. In addition, in an adsorber, a coupling layer capable of being compressed surrounds and tightly covers the external side face of the filter bag, so that the radioactive wastewater flows through the filter bag from top to bottom after entering a drum body via a water inlet at the upper part, and flows out of drain meshes at the bottom of the filter bag and the bottom of a fixing frame; the outflow at the side face of the filter bag is avoided, that is, the short-circuit current is avoided; the radioactive wastewater sufficiently flows through the filter bag from top to bottom, so that the nuclides in the wastewater are completely adsorbed by the filter material in the filter bag and the nuclides in the wastewater are removed thoroughly.
Description
Technical field
the present invention relates to a kind of radioactive wastewater adsorption filter.
Background technology
pIPING OF MAIN LOOPS IN NUCLEAR POWER STATION radioactive wastewater adopts bypass purified treatment conventionally, and clean water after treatment returns to primary heat transport system.When reactor start and stop heap, equipment personnel decontamination, also have part radioactive wastewater and arrange outward, these waste water conventionally collect by the fixing Spent Radioactive water treatment system of nuclear power station and process qualified rear discharge.When nuclear power station Waste Water Treatment fault or primary heat transport system, have a small amount of radioactive wastewater and release while having a small amount of leakages because of unexpected, after these waste water are collected, need process by (meeting an urgent need) treating apparatus temporarily; Through fixing disposal system radioactive wastewater after treatment, because nucleic changes and low content, wherein still have a small amount of special nucleic simultaneously, also likely need to process by interim (meeting an urgent need) treating apparatus.In the radioactive wastewater adsorption filter that existing fixing processing or emergent treatment system adopt, the time that filtrate contacts with radioactive wastewater is shorter, easily causes filtrate insufficient to radioactive nuclide absorption, and in existing filtrator, filter bag containing filtrate is changed troublesome poeration, inconvenience.
Summary of the invention
the object of this invention is to provide a kind of radioactive wastewater adsorption filter that can quick and convenient replacing filter bag, this filtrator can select feature filtrate filter bag to adsorb according to nucleic, this filtrator also ensures that by fixed frame and coupling layer filtrate can fully adsorb nucleic, without short-circuit flow.
for achieving the above object, the present invention has adopted following technical scheme: a kind of radioactive wastewater adsorption filter, comprise that top is unlimited and there is water inlet on the top of side and there is the cylindrical shell of water delivering orifice in bottom, can seal rapidly or open the top cover of the open top of described cylindrical shell, outward flange is fixed on the inwall of described cylindrical shell and the ring-type that is positioned at described water inlet below is held back plate, top is opened wide and open top edge is fixed on described ring-type and holds back the fixed frame on the inward flange of plate, be arranged on the coupling layer that can compress in described fixed frame, can be placed on the filter bag containing filtrate taking out in described coupling layer or from this coupling layer, hold down assembly, described fixed frame has the effluent mesh above the water delivering orifice that is positioned at described cylindrical shell in bottom, in the time that described filter bag is placed in described coupling layer, this coupling layer is around the lateral surface that packs tightly residence and state filter bag, the bottom surface of described filter bag and the bottom connection of described fixed frame touch, described filter bag has concora crush ring at top, described holding down assembly comprises the compression annular ring that described concora crush ring can be pressed on to described ring-type and hold back plate upper surface, thereby be fixed on described compression annular ring and can be pushed the compaction hoop that the downward pressure of described compression annular ring is provided by described top cover, be fixed on described compression annular ring and can cover the water inlet distribution network on the open top of described fixed frame.
preferably, described filter bag is soft filter bag.
further preferably, the filtrate in described filter bag can be changed according to nucleic characteristic.
due to the utilization of technique scheme, the present invention compared with prior art has following advantages: the adsorber of this patent is in the time that needs are changed filter bag, change operation very efficient and convenient, only need to open top cover, hold down assembly and automatically unclamp, after taking away and holding down assembly, propose fast the filter bag containing filtrate by top, be reentered into the filter bag containing new filtrate, then put and hold down assembly, cover top cover, just can start new absorption.Quick-replaceable filter bag, reduces personnel's radiation to greatest extent.This patent is selected for special nucleic or is changed feature absorbent filter medium filter bag, can effectively improve radioactive nuclide clearance.In addition, in adsorber, the coupling layer that can compress, around the lateral surface that packs tightly filter bag, makes radioactive wastewater from the water inlet on cylindrical shell top enters, the filter bag of flowing through from top to bottom, flow out from the bottom of filter bag, the effluent mesh of fixed frame bottom, avoid flowing out from the side of filter bag, avoid the stream that is short-circuited, the filter bag of fully flowing through from top to bottom, ensure that the nucleic in waste water is fully adsorbed by the filtrate in filter bag, thoroughly removes the nucleic in waste water.
brief description of the drawings
accompanying drawing 1 is schematic diagram of the present invention.
Embodiment
further set forth structure of the present invention below in conjunction with accompanying drawing.
referring to Fig. 1, a kind of radioactive wastewater adsorption filter, comprise that cylindrical shell 2, top cover 7, ring-type hold back plate 6, fixed frame 3, the coupling layer 4 that can compress, filter bag 5, hold down assembly 15, the top of cylindrical shell 2 is opened wide, there is open top 8, top cover 7 can seal or open the open top 8 of cylindrical shell 2 rapidly, in Fig. 1, between top cover 7 and cylindrical shell 2, is connected by quickly released hasp 10.Cylindrical shell 2 has water inlet 12 on the top of side, has water delivering orifice 1 in bottom, and radioactive wastewater enters from the water inlet 12 of cylindrical shell 2, and after the nucleic in waste water is adsorbed, the water of removing after nucleic flows out from water delivering orifice 1.In Fig. 1, the outward flange that ring-type is held back plate 6 is fixed on the inwall of cylindrical shell 2, ring-type is held back plate 6 and is positioned at the below of the water inlet 12 of cylindrical shell 2, the top of fixed frame 3 is also opened wide, put into or take out the filter bag 5 containing filtrate 14 from the open top of fixed frame 3, the open top edge of fixed frame 3 is fixed on ring-type and holds back on the inward flange of plate 6, fixed frame 3 has the effluent mesh above the water delivering orifice 1 that is positioned at cylindrical shell 2 in bottom, coupling layer 4 adopts half soft material, can compress, coupling layer 4 is arranged in fixed frame 3, in the time that filter bag 5 is placed in fixed frame 3, coupling layer 4 is around the lateral surface that packs tightly filter bag 5, the bottom connection of the bottom surface of filter bag 5 and fixed frame 3 touches, the coupling layer 4 that setting can be compressed, for the protection of filter bag 5, prevent that filter bag 5 from breaking, and pick and place filter bag 5 convenience, moreover, the coupling layer 4 that can compress is around the lateral surface that packs tightly filter bag 5, make radioactive wastewater from the water inlet 12 on cylindrical shell 2 tops enters, the filter bag 5 of flowing through from top to bottom, from the bottom of filter bag 5, the effluent mesh of fixed frame 3 bottoms flows out, avoid flowing out from the side of filter bag 5, avoid the stream that is short-circuited, the filter bag 5 of fully flowing through from top to bottom, ensure that the nucleic in waste water is fully adsorbed by the filtrate 14 in filter bag 5, thoroughly remove the nucleic in waste water.In Fig. 1, filter bag 5 has concora crush ring 16 at top, hold down assembly 15 comprise compress annular ring 17, be fixed on the compaction hoop 11 on described compression annular ring, be fixed on the water inlet distribution network 18 compressing on annular ring 17, in Fig. 1, top cover 7 sealings cover the open top 8 of cylindrical shell 2, top cover 7 is extruding compaction hoop 11 downwards, compress the downward pressure of annular ring 17 thereby provide, making to compress annular ring 17 can be pressed on concora crush ring 16 ring-type and hold back on the upper surface of plate 16, 15 locate filter bag 5 by holding down assembly, water inlet distribution network 18 covers on the open top of fixed frame 3, the radioactive wastewater entering from the water inlet 12 of cylindrical shell 2 is like this after the uniform distribution of water inlet distribution network 18, adsorb by the filter bag 5 in fixed frame 3, ensure the efficiency that filter bag 5 adsorbs.The adsorber of this patent in use, can select for the nucleic in radioactive wastewater the filter bag of feature absorbent filter medium, in the time that needs are changed filter bag 5, change operation very efficient and convenient, only need to open top cover 7, hold down assembly and 15 automatically unclamp, take away and hold down assembly after 15, propose fast have handle 13 containing the top of the filter bag 5(filter bag 5 of filtrate by top), be reentered into the filter bag containing new filtrate, then put and hold down assembly 15, cover top cover 7, can start new absorption.Quick-replaceable filter bag, reduces personnel's radiation to greatest extent.This patent is selected for special nucleic or is changed feature absorbent filter medium (or ion exchange resin), can effectively improve radioactive nuclide clearance.
in addition, filter bag 5 adopts soft material, as nylon, adopts soft filter bag 5 as filtrate packing material, and the filtrate filter bag adsorbing after saturated can be compressed as solid waste, is convenient to subsequent treatment.
sum up, the adsorption filter of this patent, to have the soft filter bag of the adsorbing absorbent filter medium of feature to radioactive wastewater center is placed in fixed frame coupling layer, waste water self-retaining arch containing nucleic enters fixed frame through water inlet distribution network, the filter bag of flowing through from top to bottom, within the feature absorption residence time, waste water Radionuclide is fully adsorbed by filtrate, and the water of removing after nucleic flows out from bottom water delivering orifice.After filtrate absorption is saturated, can the filter bag containing filtrate be proposed fast by top, be reentered into the filter bag containing new filtrate.Can quick-replaceable feature absorbent filter medium; and combined filtering device exterior shield layer; reduce to greatest extent personal radiation dose; because filtrate is loaded on special filter bag, can select as required different characteristic filtrate, increase the removal efficiency to specifying nucleic; saturated filtrate can fully compress together with soft filter bag; reduced subsequent treatment refuse volume, the coupling layer between fixed frame and filter bag can protect filter bag not break, and avoids occurring absorption short-circuit flow.
Claims (3)
1. a radioactive wastewater adsorption filter, the top that is included in side has water inlet and has the cylindrical shell of water delivering orifice in bottom, it is characterized in that: the top of described cylindrical shell is opened wide, described radioactive wastewater adsorption filter also comprises the top cover that can seal rapidly or open the open top of described cylindrical shell, outward flange is fixed on the inwall of described cylindrical shell and the ring-type that is positioned at described water inlet below is held back plate, top is opened wide and open top edge is fixed on described ring-type and holds back the fixed frame on the inward flange of plate, be arranged on the coupling layer that can compress in described fixed frame, can be placed on the filter bag containing filtrate taking out in described coupling layer or from this coupling layer, hold down assembly, described fixed frame has the effluent mesh above the water delivering orifice that is positioned at described cylindrical shell in bottom, in the time that described filter bag is placed in described coupling layer, this coupling layer is around the lateral surface that packs tightly residence and state filter bag, the bottom surface of described filter bag and the bottom connection of described fixed frame touch, described filter bag has concora crush ring at top, described holding down assembly comprises the compression annular ring that described concora crush ring can be pressed on to described ring-type and hold back plate upper surface, thereby be fixed on described compression annular ring and can be pushed the compaction hoop that the downward pressure of described compression annular ring is provided by described top cover, be fixed on described compression annular ring and can cover the water inlet distribution network on the open top of described fixed frame.
2. a kind of radioactive wastewater adsorption filter according to claim 1, is characterized in that: described filter bag is soft filter bag.
3. a kind of radioactive wastewater adsorption filter according to claim 2, is characterized in that: the filtrate in described filter bag can be changed according to nucleic characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210100164.2A CN102623077B (en) | 2012-04-09 | 2012-04-09 | Radioactive wastewater adsorption filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210100164.2A CN102623077B (en) | 2012-04-09 | 2012-04-09 | Radioactive wastewater adsorption filter |
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| Publication Number | Publication Date |
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| CN102623077A CN102623077A (en) | 2012-08-01 |
| CN102623077B true CN102623077B (en) | 2014-06-11 |
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| CN201210100164.2A Active CN102623077B (en) | 2012-04-09 | 2012-04-09 | Radioactive wastewater adsorption filter |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2610830C1 (en) * | 2015-09-25 | 2017-02-16 | Общество с ограниченной ответственностью Научно-производственное предприятие "Эксорб" | Device for extracting radionuclides from aqueous solutions |
| CN106896042B (en) * | 2015-12-21 | 2024-03-19 | 江苏核电有限公司 | Testing device and method for selecting filter materials of radioactive aerosol treatment system |
| DE102017003350A1 (en) * | 2016-04-29 | 2017-11-02 | Merck Patent Gmbh | filter element |
| CN107093483B (en) * | 2017-04-27 | 2024-04-09 | 华北电力大学 | Radionuclide collection device |
| CN106976935A (en) * | 2017-05-19 | 2017-07-25 | 杭州绿夏环境科技有限公司 | Swinging iron-carbon micro-electrolysis reactor and method of wastewater treatment |
| CN107705868B (en) * | 2017-09-14 | 2024-01-05 | 华北电力大学 | Radionuclide collection device in ocean |
| CN113830931B (en) * | 2021-10-22 | 2023-04-07 | 核工业二三O研究所 | Treatment equipment for radioactive element-containing polluted wastewater |
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|---|---|---|---|---|
| US4334896A (en) * | 1980-08-06 | 1982-06-15 | Commissariat A L'energie Atomique | Filter replacement process and apparatus |
| CN2218594Y (en) * | 1995-03-28 | 1996-01-31 | 田金质 | Modified active carbon adsorption filter |
| CN202549321U (en) * | 2012-04-09 | 2012-11-21 | 苏州热工研究院有限公司 | Adsorbing and filtering device for radioactive wastewater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2988102B2 (en) * | 1992-01-31 | 1999-12-06 | 富士電機株式会社 | Filter recovery device |
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2012
- 2012-04-09 CN CN201210100164.2A patent/CN102623077B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4334896A (en) * | 1980-08-06 | 1982-06-15 | Commissariat A L'energie Atomique | Filter replacement process and apparatus |
| CN2218594Y (en) * | 1995-03-28 | 1996-01-31 | 田金质 | Modified active carbon adsorption filter |
| CN202549321U (en) * | 2012-04-09 | 2012-11-21 | 苏州热工研究院有限公司 | Adsorbing and filtering device for radioactive wastewater |
Non-Patent Citations (5)
| Title |
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| JP特开平5-209996A 1993.08.20 |
| 叶裕才 等.放射性废液过滤器研究.《水处理技术》.1994,第20卷(第6期),329-334. |
| 吸附式干燥器前置过滤器重要性分析;覃拥军;《流体机械》;20001231;第28卷(第12期);38-39页 * |
| 放射性废液过滤器研究;叶裕才 等;《水处理技术》;19941231;第20卷(第6期);329-334 * |
| 覃拥军.吸附式干燥器前置过滤器重要性分析.《流体机械》.2000,第28卷(第12期),38-39页. |
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Address after: The West Loop Jinchang District Suzhou city Jiangsu province 215004 No. 1788 Applicant after: Suzhou Nuclear Power Research Institute Co., Ltd. Applicant after: China General Nuclear Power Corporation Address before: The West Loop Jinchang District Suzhou city Jiangsu province 215004 No. 1788 Applicant before: Suzhou Nuclear Power Research Institute Co., Ltd. Applicant before: China Guangdong Nuclear Power Group Co., Ltd. |
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Effective date of registration: 20161114 Address after: The West Loop Jinchang District Suzhou city Jiangsu province 215004 No. 1788 Patentee after: Suzhou Nuclear Power Research Institute Co., Ltd. Patentee after: China General Nuclear Power Corporation Patentee after: Lingdong Nuclear Power Co., Ltd. Address before: The West Loop Jinchang District Suzhou city Jiangsu province 215004 No. 1788 Patentee before: Suzhou Nuclear Power Research Institute Co., Ltd. Patentee before: China General Nuclear Power Corporation |