CN205204968U - Use effluent disposal system of pond formula ordinary pressure heat supply heap of spentnuclear fuel - Google Patents
Use effluent disposal system of pond formula ordinary pressure heat supply heap of spentnuclear fuel Download PDFInfo
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- CN205204968U CN205204968U CN201521021971.0U CN201521021971U CN205204968U CN 205204968 U CN205204968 U CN 205204968U CN 201521021971 U CN201521021971 U CN 201521021971U CN 205204968 U CN205204968 U CN 205204968U
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- water
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- reverse osmosis
- treatment
- membrane
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- 239000002915 spent fuel radioactive waste Substances 0.000 title claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 15
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000010457 zeolite Substances 0.000 claims abstract description 15
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 38
- 238000001223 reverse osmosis Methods 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 28
- 238000004065 wastewater treatment Methods 0.000 claims description 17
- 238000000108 ultra-filtration Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002351 wastewater Substances 0.000 abstract description 11
- 238000000746 purification Methods 0.000 abstract description 7
- 238000005342 ion exchange Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000000607 poisoning effect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 14
- 239000002354 radioactive wastewater Substances 0.000 description 14
- 230000002285 radioactive effect Effects 0.000 description 13
- 239000000725 suspension Substances 0.000 description 7
- 238000005202 decontamination Methods 0.000 description 6
- 230000003588 decontaminative effect Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000002525 ultrasonication Methods 0.000 description 5
- 239000000941 radioactive substance Substances 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000003851 biochemical process Effects 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004660 morphological change Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an use effluent disposal system of pond formula ordinary pressure heat supply heap of spentnuclear fuel, including ultrasonic treatment device, membrane processing apparatus and the zeolite filter equipment who connects gradually, the ultrasonic treatment device includes supersonic generator, ultrasonic transducer, basin and business turn over water system, supersonic generator sets up the basin below, ultrasonic transducer be some formation set up in bottom of gullet and both sides, the business turn over water system includes water inlet, water purification export and outlet of sewer, the water purification export links to each other with membrane processing apparatus's water inlet. After the technical solution is adopted, compared with the prior art, the utility model following beneficial effect has: it is right to use the ultrasonic treatment device the waste water that the heat supply of spent fuel pool formula ordinary pressure is piled is handled, detaches most radioactivity oxides, reduces filtration membrane's among the follow -up purifier operating pressure, also can alleviate the poisoning effect of ion exchange medium, is favorable to improving purifying effect, extension fixture working life.
Description
Technical field
The utility model relates to nuclear pollution process field, particularly relates to a kind of Waste Water Treatment using the pool normal pressure process heat reactor of spent fuel.
Background technology
In order to make the standard value (≤1Bq/L of radioactive radiation level lower than national defined of environment, i.e. 1 Becquerel/liter), must between the storage of device and operation room carry out radioactive decontamination, a certain amount of radioactive wastewater can be produced in the process of decontamination, the main component of these radioactive wastewaters is oxide particles of radioactive substance, and the wastewater treatment comprising radioactivity oxide particle is one of current internationally recognized difficulties.
In prior art, whether Spent Radioactive water treatment method mainly can be divided into chemical form transformation technology and chemical form not political reform two class by radioactive substance morphologic change in wastewater treatment process.Chemical form transformation technology comprises chemical precipitation method, By Bubble-floating Method, biochemical process etc., and chemical form not political reform comprises method of evaporation, ion exchange method, absorption method, membrane processing method etc.Chemical form transformation technology comprises chemistry or the biochemical methods such as chemical precipitation method, By Bubble-floating Method, biochemical process.Above-mentioned various method is each has something to recommend him for the process of radioactive wastewater, but all there is common problem, i.e. consuming time, the consumptive material for the treatment of processes, power consumption, efficiency is not high, process is thorough, and has secondary pollution dangerous.The existence of especially above-mentioned radioactivity oxide particle, causes the work load of membrane treatment appts material especially, also can produce Ion Exchange Medium and poison, affect decontamination effect improving and purification rate.
In view of this, special proposition the utility model.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of Waste Water Treatment using the pool normal pressure process heat reactor of spent fuel, and one is promote decontamination effect improving, and two is extension fixture work-ing life.
For solving the problems of the technologies described above, the basic conception of the utility model employing technical scheme is:
Use a Waste Water Treatment for the pool normal pressure process heat reactor of spent fuel, comprise the ultrasonic treatment unit, membrane treatment appts and the zeolite filtration device that connect successively;
Described ultrasonic treatment unit comprises ultrasonic generator, ultrasonic transducer, tank and inlet and outlet system; Described ultrasonic generator is arranged on below described tank; Described ultrasonic transducer is arranged at described bottom of gullet and both sides in a formation; Described inlet and outlet system comprises water-in, pure water inlet and sewage outlet; Described pure water inlet is connected with the water-in of membrane treatment appts.
The Waste Water Treatment of the pool normal pressure process heat reactor of above-mentioned use spent fuel, described in be positioned at described tank both sides ultrasonic transducer be that lattice-like is fixedly packaged in ultrasonic wave vibration plate; Described ultrasonic wave vibration plate is opposite to tank both sides.
The Waste Water Treatment of the pool normal pressure process heat reactor of above-mentioned use spent fuel, described film device comprises the ultra-filtration membrane device and reverse osmosis unit that are connected successively by pipeline; The water-in of described membrane treatment appts is the water-in of described ultra-filtration membrane device.
The Waste Water Treatment of the pool normal pressure process heat reactor of above-mentioned use spent fuel, described reverse osmosis unit comprises the first-stage reverse osmosis device and second level reverse osmosis apparatus that interconnect; Alkali lye chemicals dosing plant is provided with, the water outlet of described ultra-filtration membrane device and the water-in conducting of described first-stage reverse osmosis device between described first-stage reverse osmosis device and second level reverse osmosis apparatus; The water outlet of described second level reverse osmosis apparatus is the water outlet of described membrane treatment appts.
The Waste Water Treatment of the pool normal pressure process heat reactor of above-mentioned use spent fuel, the water-in of described zeolite filtration device connects the water outlet of described membrane treatment appts; Described zeolite filtration device is also provided with gas exhaust duct and pressure detection valve.
After adopting technique scheme, the utility model compared with prior art has following beneficial effect:
The waste water of ultrasonic treatment unit to described spent fuel pool normal pressure process heat reactor is used to process, remove most of radioactivity oxide compound, reduce the operating pressure of filtering membrane in subsequent purification device, also the toxic action of Ion Exchange Medium can be alleviated, be conducive to improving decontamination effect improving, extension fixture working life.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model uses the Waste Water Treatment of the pool normal pressure process heat reactor of spent fuel.
Fig. 2 is the structural representation of the utility model ultrasonic treatment unit.
In above-mentioned accompanying drawing, 1, water pump; 2, ultrasonic treatment unit; 7, ultra-filtration membrane device; 9, first-stage reverse osmosis device; 12, second level reverse osmosis apparatus; 13, zeolite filtration device; 201, ultrasonic transducer; 202, ultrasonic transducer; 203, tank; 204, ultrasonic wave vibration plate; 205, ultrasonic generator; 206, ultrasonic generator; 207, water-in; 208, pure water inlet; 209, sewage outlet.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, to help understanding content of the present utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of Waste Water Treatment using the pool normal pressure process heat reactor of spent fuel, comprises the ultrasonic treatment unit 2, membrane treatment appts and the zeolite filtration device 13 that connect successively; Described ultrasonic treatment unit 2 comprises ultrasonic generator (205,206), ultrasonic transducer (201,202), tank 203 and inlet and outlet system; Described ultrasonic generator (205,206) is arranged on below described tank 203; Described ultrasonic transducer (201,202) is arranged at bottom described tank 203 and both sides in a formation; Described inlet and outlet system comprises water-in 207, pure water inlet 208 and sewage outlet 209; Described pure water inlet 208 is connected with the water-in of membrane treatment appts.The described ultrasonic transducer 201 being positioned at described tank 203 both sides is fixedly packaged in ultrasonic wave vibration plate 204 in lattice-like; Described ultrasonic wave vibration plate 204 is opposite to tank 203 both sides.In described tank 203, make the ultrasonic transducer 201 in the two pieces of ultrasonic wave vibration plates 204 in left and right produce the ultrasonic wave of density interphase to symmetric radiation, make liquid-flow, when formula (1) condition of satisfied formation standing wave, in tank 203, form ultrasonic standing wave:
L＝nλ/2（1）
λ＝v/f（2）
In formula: λ is ultrasonic wave wavelength, n be formed standing wave number, L is the length of tank, v be ultrasonic wave at water medium velocity, f is the frequency of ultrasonic generator.
Described ultrasonic generator 205 and ultrasonic generator 206 send the ultrasonic frequency electric energy of two kinds of different frequencies, convert high frequency mechanical oscillation to respectively by ultrasonic transducer (201,202) and be passed in radioactive liquid waste; The different frequency f that two ultrasonic generators (205,206) send is respectively (25 ~ 30) kHz and (35 ~ 45) kHz.
Radioactive wastewater ultrasonication effect is subject to parameters,acoustic if ultrasonic frequency, energy and time, structural parameter are as formed the size of standing wave, the impact of sink size between vibration plate, be v=1500m/s according to ultrasonic wave at water medium velocity, when frequency f is (25 ~ 30) kHz, then wavelength X=v/f=(50 ~ 60 of ultrasonic standing wave) mm, ultrasonic wave standing wave number n gets 16, therefore ultrasonic standing wave process radioactive wastewater device overall dimensions gets (400 × 400 × 400) mm ~ (480 × 400 × 400) mm.
The suspension radioactivity oxide particle be in ultrasonic standing wave field under the acting in conjunction of acoustic radiation force, buoyancy, gravity and liquid sticky resistance, towards the nodal plane place motion in stationary field, can be assembled.Therefore, can by the structure of well-designed ultrasonic standing wave Spent Radioactive water treatment device and size, wastewater outlet place design shunting outlet bottom ultrasonic standing wave Spent Radioactive water treatment device, shunting outlet position and exit width is determined by calculating, make the suspension radioactive grain being gathered in nodal plane place under the effect of gravity field, flow out from the high-concentration waste water exit near nodal plane, thus decrease the content of radioactive substance from the radioactive wastewater of lower concentration radioactive wastewater exit outflow, reach the object of the radioactive concentration reducing radioactive wastewater, the theoretical foundation of radioactive wastewater ultrasonication that Here it is.Known to the mechanics analysis in standing-wave sound field suffered by suspended particles, suspended particle is mainly subject to the effect of make a concerted effort (Fb) of the acoustic radiation force (Fac) of standing-wave sound field, liquid sticky stokes resistance (Fd), gravity and buoyancy, under the acting in conjunction of these power, as the acoustic ratio factor G ﹥ 0 of particle, particle can to the acoustic pressure wave nodal section motion in stationary field; As G ﹤ 0, particle moves to the acoustic pressure wave outside of belly.By ultrasonic standing wave field, by the structure of design ultrasonic standing wave Spent Radioactive water treatment device, suspended particle in suspension is enriched in node (abdomen) face place, then the suspension of the high density near node (abdomen) face is discharged, reach the object reducing concentration of suspended particles in suspension.Ultrasonic wave, at middle density interphase ground forward directed radiation, makes liquid-flow, in tank, forms ultrasonic standing wave.The suspension radioactivity oxide particle be in ultrasonic standing wave field under the acting in conjunction of acoustic radiation force, buoyancy, gravity and liquid sticky resistance, towards the nodal plane place motion in stationary field, can be assembled, becomes high density radioactive wastewater concentration zones.By structure and the size of well-designed ultrasonic standing wave Spent Radioactive water treatment device, wastewater outlet place design shunting outlet bottom ultrasonic standing wave Spent Radioactive water treatment device, shunting outlet position and exit width is determined by calculating, make the suspension radioactive grain being gathered in nodal plane place under the effect of gravity field, flow out from the high-concentration waste water exit near nodal plane, thus decrease the content of radioactive substance from the radioactive wastewater of lower concentration radioactive wastewater exit outflow, reach the object of the radioactive concentration reducing radioactive wastewater, reach the object of radioactive wastewater ultrasonication.
First what process heat reactor produced enters after ultrasonic treatment unit 2 removes most radioactivity oxide particle containing the waste water of radioactivity oxide compound under the effect of water pump 1, enters membrane treatment appts be further processed water treatment via pure water inlet 208.
Described film device comprises the ultra-filtration membrane device 7 and reverse osmosis unit that are connected successively by pipeline; The water-in of described membrane treatment appts is the water-in of described ultra-filtration membrane device 7.Described reverse osmosis unit comprises the first-stage reverse osmosis device 9 and second level reverse osmosis apparatus 12 that interconnect; Alkali lye chemicals dosing plant is provided with, the water outlet of described ultra-filtration membrane device 7 and the water-in conducting of described first-stage reverse osmosis device 9 between described first-stage reverse osmosis device 9 and second level reverse osmosis apparatus 12; The water outlet of described second level reverse osmosis apparatus 12 is the water outlet of described membrane treatment appts.Ultra-filtration membrane device 7 ultra-filtration membrane used is hollow fiber composite membrane.Described first-stage reverse osmosis device 9 and second level reverse osmosis apparatus 12 reverse-osmosis membrane element used are aromatic polyamides composite membrane.Owing to having carried out ultrasonication in advance, the radioactivity oxidation particle content flowed in the waste water of membrane treatment appts has greatly reduced, and also just reduces the operating pressure of each purification membrane above-mentioned, extends its work-ing life.Waste water after membrane treatment appts purification enters described zeolite filtration device 13, and the water-in of described zeolite filtration device 13 connects the water outlet of described membrane treatment appts; Zeolite filtration device 13 has good ion exchange property, and the useless waterborne radioactivity of waiting through ultrasonication and film process is lower, and zeolite filtration device 13 has fabulous removal effect for radionuclide ion caesium and strontium.In addition, for the ease of Monitoring and Controlling, zeolite filtration device 13 is also provided with gas exhaust duct and pressure detection valve.
In sum, the technical solution of the utility model processes by using the waste water of ultrasonic treatment unit 2 to described spent fuel pool normal pressure process heat reactor, remove most of radioactivity oxide compound, then recycling membrane treatment appts and zeolite place filtration unit carry out subsequent purification to waste water, not only increase decontamination effect improving, also mitigate the toxic action of Ion Exchange Medium, extend device working life.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. use a Waste Water Treatment for the pool normal pressure process heat reactor of spent fuel, it is characterized in that, comprise the ultrasonic treatment unit, membrane treatment appts and the zeolite filtration device that connect successively;
Described ultrasonic treatment unit comprises ultrasonic generator, ultrasonic transducer, tank and inlet and outlet system; Described ultrasonic generator is arranged on below described tank; Described ultrasonic transducer is arranged at described bottom of gullet and both sides in a formation; Described inlet and outlet system comprises water-in, pure water inlet and sewage outlet; Described pure water inlet is connected with the water-in of membrane treatment appts.
2. the Waste Water Treatment of the pool normal pressure process heat reactor of use spent fuel according to claim 1, is characterized in that, described in be positioned at described tank both sides ultrasonic transducer be that lattice-like is fixedly packaged in ultrasonic wave vibration plate; Described ultrasonic wave vibration plate is opposite to tank both sides.
3. the Waste Water Treatment of the pool normal pressure process heat reactor of use spent fuel according to claim 1, is characterized in that, described film device comprises the ultra-filtration membrane device and reverse osmosis unit that are connected successively by pipeline; The water-in of described membrane treatment appts is the water-in of described ultra-filtration membrane device.
4. the Waste Water Treatment of the pool normal pressure process heat reactor of use spent fuel according to claim 3, is characterized in that, described reverse osmosis unit comprises the first-stage reverse osmosis device and second level reverse osmosis apparatus that interconnect; Alkali lye chemicals dosing plant is provided with, the water outlet of described ultra-filtration membrane device and the water-in conducting of described first-stage reverse osmosis device between described first-stage reverse osmosis device and second level reverse osmosis apparatus; The water outlet of described second level reverse osmosis apparatus is the water outlet of described membrane treatment appts.
5. the Waste Water Treatment of the pool normal pressure process heat reactor of use spent fuel according to claim 1, is characterized in that, the water-in of described zeolite filtration device connects the water outlet of described membrane treatment appts; Described zeolite filtration device is also provided with gas exhaust duct and pressure detection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521021971.0U CN205204968U (en) | 2015-12-10 | 2015-12-10 | Use effluent disposal system of pond formula ordinary pressure heat supply heap of spentnuclear fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521021971.0U CN205204968U (en) | 2015-12-10 | 2015-12-10 | Use effluent disposal system of pond formula ordinary pressure heat supply heap of spentnuclear fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205204968U true CN205204968U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521021971.0U Active CN205204968U (en) | 2015-12-10 | 2015-12-10 | Use effluent disposal system of pond formula ordinary pressure heat supply heap of spentnuclear fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205204968U (en) |
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2015
- 2015-12-10 CN CN201521021971.0U patent/CN205204968U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160425 Address after: 100094, Beijing, Haidian District, Zhongguancun northeast Beijing Software Park Incubator Building 2, block 2140-099, room B Patentee after: New Nuclear (Beijing) Energy Technology Co., Ltd. Address before: 100040 No. 3, No. 7, gate 23, 602 Shijingshan Road, Beijing, Shijingshan District Patentee before: Tian Li Patentee before: Xu Gang Patentee before: Qiu Qing Patentee before: Zhu Jie Patentee before: Yuan Weichen |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171205 Address after: 100085 A, No. 9, Third Street, Shanghai Haidian District, Beijing, 9 layer A1003-105 Patentee after: Kai Xin Xin nuclear (Beijing) Energy Technology Co., Ltd. Address before: 100094, Beijing, Haidian District, Zhongguancun northeast Beijing Software Park Incubator Building 2, block 2140-099, room B Patentee before: X-NUCLEAR (BEIJING) ENERGY TECH. CO., LTD. |