CN213988329U - Device for treating radioactive polluted seawater - Google Patents
Device for treating radioactive polluted seawater Download PDFInfo
- Publication number
- CN213988329U CN213988329U CN202023090988.5U CN202023090988U CN213988329U CN 213988329 U CN213988329 U CN 213988329U CN 202023090988 U CN202023090988 U CN 202023090988U CN 213988329 U CN213988329 U CN 213988329U
- Authority
- CN
- China
- Prior art keywords
- radioactive
- reverse osmosis
- seawater
- shell
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a handle device by radioactive contamination sea water, including radioactive sea water collection device to and selective adsorption device, safety filter ware, high pressure reverse osmosis filter, reverse osmosis filter and inorganic low price adsorption equipment that exit connected gradually set up the immersible pump in the radioactive sea water collection device, the immersible pump export communicates with selective adsorption equipment import. The utility model adopts the combination of a plurality of treatment devices, which can rapidly treat the middle and low radioactive seawater on line, and after the treatment by the device, the total alpha radioactivity discharged by the radioactive seawater with the activity not more than 108q/L is not more than 1Bq/L, and the total beta radioactivity is not more than 10 Bq/L; the residual concentrated waste water can be discharged into a sealed steel barrel for curing and sealing treatment.
Description
Technical Field
The utility model belongs to by the processing apparatus field of radioactive contamination sea water, concretely relates to handle by device of radioactive contamination sea water.
Background
A large amount of radioactive wastewater is generated when nuclear accidents happen in a military nuclear fuel circulation system and a civil nuclear power station, when a nuclear accident occurs near the coastal area, a large amount of seawater is used for cooling, a large amount of radioactive seawater is generated after cooling, the traditional radioactive wastewater treatment system mainly treats the radioactive wastewater by intercepting radionuclides in the wastewater, ions in the seawater are various, the traditional radioactive wastewater treatment technology can be interfered by a large amount of ions and various ions in the seawater while intercepting the radionuclides such as uranium, strontium, cesium and the like, the interception efficiency of the radionuclides is reduced, and the result of the traditional radioactive wastewater treatment technology cannot reach the national emission standard, therefore, the traditional radioactive wastewater treatment technology is not suitable for the polluted radioactive seawater, and a mature application technology does not exist in the field of radioactive seawater treatment at the present stage.
SUMMERY OF THE UTILITY MODEL
The utility model is provided for overcoming the defects existing in the prior art, and aims to provide a device for treating the seawater polluted by radioactivity.
The utility model discloses a realize through following technical scheme:
the device for treating the radioactive polluted seawater comprises a radioactive seawater collecting device, and a selective adsorption device, a cartridge filter, a high-pressure reverse osmosis filter, a reverse osmosis filter and an inorganic low-price adsorption device which are sequentially connected with an inlet and an outlet, wherein a submersible pump is arranged in the radioactive seawater collecting device, and the outlet of the submersible pump is communicated with the inlet of the selective adsorption device.
In the technical scheme, the selective adsorption device is of a vertical structure, the water inlet and outlet form is an upper inlet and an upper outlet, and the selective adsorption device comprises a shell and a ceramic adsorbent filled in the shell.
In the technical scheme, the high-pressure reverse osmosis filter consists of a glass fiber reinforced plastic shell and a high-pressure reverse osmosis membrane arranged in the glass fiber reinforced plastic shell, and an inlet and an outlet are formed in two ends of the shell.
In the technical scheme, the shell of the high-pressure reverse osmosis filter is also provided with a concentrated wastewater outlet.
In the technical scheme, the reverse osmosis filter consists of a glass fiber reinforced plastic shell and a reverse osmosis membrane arranged in the glass fiber reinforced plastic shell, and an inlet and an outlet are formed at two ends of the shell.
In the technical scheme, the shell of the reverse osmosis filter is also provided with a concentrated wastewater outlet.
In the technical scheme, the inorganic low-cost adsorption device is of a horizontal structure, the water inlet and outlet mode is that water enters from one side and exits from the other side, and the inorganic low-cost adsorption device comprises a shell and inorganic materials filled in the shell.
The utility model has the advantages that:
the utility model provides a device for processing the seawater polluted by radioactivity, which adopts a mode of combining various processing devices, can carry out rapid on-line processing on the low-order radioactive seawater, and after the processing by the device, for the radioactive seawater with the activity not more than 108q/L, the total alpha radioactivity discharged is not more than 1Bq/L, and the total beta radioactivity is not more than 10 Bq/L; the residual concentrated waste water can be discharged into a sealed steel barrel for curing and sealing treatment.
Drawings
Fig. 1 is a schematic structural diagram of a device for treating radioactive-polluted seawater according to the present invention.
Wherein:
1 radioactive seawater collecting device 2 selective adsorption device
3 cartridge filter 4 high-pressure reverse osmosis filter
5 reverse osmosis filter 6 inorganic low price adsorption device
7 submersible pump.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention for treating seawater polluted by radioactive emission will be further described below by referring to the drawings of the specification and the specific embodiments.
As shown in figure 1, the device for treating the radioactive polluted seawater comprises a radioactive seawater collecting device 1, a selective adsorption device 2, a cartridge filter 3, a high-pressure reverse osmosis filter 4, a reverse osmosis filter 5 and an inorganic low-price adsorption device 6, wherein the inlet and the outlet of the selective adsorption device 2 are sequentially connected, a submersible pump 7 is arranged in the radioactive seawater collecting device 1, and the outlet of the submersible pump 7 is communicated with the inlet of the selective adsorption device 2.
The selective adsorption device adopts ceramics as a raw material, can not be influenced by a large amount of sodium ions and chloride ions in seawater, can accurately adsorb elements with high activity in radioactive seawater, and has a decontamination factor of more than 103, so that the irradiation intensity and the complexity of ions in the subsequent process are reduced, the enrichment area of radioactive elements is reduced, the subsequent process is not influenced by quick replacement when the enrichment amount reaches a critical value, and the decontamination factor of the high-pressure reverse osmosis filter 4 is improved.
The selective adsorption device 2 is of a vertical structure, water inlet and outlet are in an upward inlet and outlet mode, the selective adsorption device comprises a shell and ceramic raw material adsorbents filled in the shell, radionuclides (uranium, strontium and cesium) are selectively absorbed, inlet water enters a water distributor arranged at the bottom of the selective adsorption device through a pipeline, and flows out of an outlet after flowing through the adsorbents. The adsorbent is characterized by seawater corrosion resistance and good effect on the adsorption quantity of radionuclide in mg/l magnitude.
The high-pressure reverse osmosis filter 4 consists of a glass fiber reinforced plastic shell and a high-pressure reverse osmosis membrane arranged in the glass fiber reinforced plastic shell, and an inlet and an outlet are formed in two ends of the shell.
And a concentrated wastewater outlet is also arranged on the shell of the high-pressure reverse osmosis filter 4.
The reverse osmosis filter 5 is composed of a glass fiber reinforced plastic shell and a reverse osmosis membrane arranged in the glass fiber reinforced plastic shell, and an inlet and an outlet are formed in two ends of the shell.
And a concentrated wastewater outlet is also arranged on the shell of the reverse osmosis filter 5.
The inorganic low-price adsorption device 6 is of a horizontal structure, the water inlet and outlet form is water inlet from one side and water outlet from the other side, the inorganic low-price adsorption device comprises a shell and inorganic materials filled in the shell, and the effect on the radionuclide adsorption quantity of mu g/l magnitude is good.
The inorganic material is any one or more of resin, nano-iron or zeolite.
The design principle of the utility model is as follows:
the method comprises the steps of selectively adsorbing high-valence and high-activity radioactive elements in radioactive seawater by using a selective adsorption device, reducing the total activity of the radioactive seawater, reducing the irradiation intensity, intercepting the radioactive substances and elements adsorbed on particles and colloids by using a security filter, reducing the salt content of the radioactive seawater to 1g/l from 35g/l by using a high-pressure reverse osmosis membrane, reducing the total ion content to 10mg/l by using a reverse osmosis membrane for treatment, and finally intercepting escaping low-valence radioactive elements which cannot be intercepted by the system due to the characteristics of the system by using a low-valence special adsorption device, so that the effluent is ensured to meet the national requirements.
The utility model discloses a use method:
the radioactive seawater is pumped into the selective adsorption device from the radioactive seawater collection device by the submersible pump, passes through the cartridge filter, the high-pressure reverse osmosis filter, the reverse osmosis filter and the inorganic low-price adsorption device, and thus the purpose of removing radioactive elements in the radioactive seawater is achieved. Through the device of the utility model, the removal coefficient of radioactive elements in radioactive seawater can reach 107~108。
The utility model discloses the device will be intercepted before reverse osmosis filter with the most radioactive element of the ionic element in the radioactive seawater, and the low valence state radionuclide of a small amount of escapes adsorbs remaining radioactive element completely through inorganic low price adsorption equipment again, ensures that the play water reaches national requirement.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (7)
1. An apparatus for treating radioactively contaminated seawater, comprising: the device comprises a radioactive seawater collecting device (1), and a selective adsorption device (2), a security filter (3), a high-pressure reverse osmosis filter (4), a reverse osmosis filter (5) and an inorganic low-price adsorption device (6) which are sequentially connected with an inlet and an outlet, wherein a submersible pump (7) is arranged in the radioactive seawater collecting device (1), and the outlet of the submersible pump (7) is communicated with the inlet of the selective adsorption device (2).
2. The apparatus for treating radioactively contaminated seawater as claimed in claim 1, wherein: the selective adsorption device (2) is of a vertical structure, the water inlet and outlet are in an upper water inlet and outlet mode, and the selective adsorption device comprises a shell and a ceramic adsorbent filled in the shell.
3. The apparatus for treating radioactively contaminated seawater as claimed in claim 1, wherein: the high-pressure reverse osmosis filter (4) consists of a glass fiber reinforced plastic shell and a high-pressure reverse osmosis membrane arranged in the glass fiber reinforced plastic shell, and an inlet and an outlet are formed in two ends of the shell.
4. The apparatus for treating radioactively contaminated seawater as claimed in claim 3, wherein: and a concentrated wastewater outlet is also arranged on the shell of the high-pressure reverse osmosis filter (4).
5. The apparatus for treating radioactively contaminated seawater as claimed in claim 1, wherein: the reverse osmosis filter (5) is composed of a glass fiber reinforced plastic shell and a reverse osmosis membrane arranged in the glass fiber reinforced plastic shell, and an inlet and an outlet are formed in two ends of the shell.
6. The apparatus for treating radioactively contaminated seawater as claimed in claim 5, wherein: and a concentrated wastewater outlet is also arranged on the shell of the reverse osmosis filter (5).
7. The apparatus for treating radioactively contaminated seawater as claimed in claim 1, wherein: the inorganic low-price adsorption device (6) is of a horizontal structure and comprises a shell and an inorganic material adsorbent filled in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090988.5U CN213988329U (en) | 2020-12-21 | 2020-12-21 | Device for treating radioactive polluted seawater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023090988.5U CN213988329U (en) | 2020-12-21 | 2020-12-21 | Device for treating radioactive polluted seawater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213988329U true CN213988329U (en) | 2021-08-17 |
Family
ID=77246130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023090988.5U Active CN213988329U (en) | 2020-12-21 | 2020-12-21 | Device for treating radioactive polluted seawater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213988329U (en) |
-
2020
- 2020-12-21 CN CN202023090988.5U patent/CN213988329U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108160048B (en) | Large-scale preparation method of high-stability cesium removal adsorbent, and product and application thereof | |
| WO2016187915A1 (en) | System for treating radioactive waste water to reach natural background radioactivity levels and application thereof | |
| CN106548816A (en) | A kind of knockdown Spent Radioactive water treatment facilities | |
| GB2583276A (en) | Method and system for concentrating and solidifying nuclides in radioactive liquid waste | |
| KR20170101962A (en) | Treatment of Liquid Radioactive Waste and Method for its Recovery | |
| CN110349689B (en) | Radioactive waste liquid treatment device for nuclear power station | |
| CN113707354B (en) | Containing 239 Pu、 90 Sr and 137 electrochemical separation and fixation method for large-volume radioactive waste liquid of Cs | |
| JP5849342B2 (en) | Decontamination equipment and decontamination method for radioactive substances from radioactive contaminated water mixed with seawater | |
| CN201965936U (en) | Radioactive sewage emergency treatment system with three-prevention function | |
| CN106745963A (en) | Many step combined purifying radiocesium polluted drinking water method and devices | |
| Huang et al. | Characterization of radioactive contaminants and water treatment trials for the Taiwan Research Reactor's spent fuel pool | |
| CN213988329U (en) | Device for treating radioactive polluted seawater | |
| Alsarayreh et al. | Remove liquid radioactive wastes utilizing nanofiltration, ultrafiltration, and microfiltration membranes | |
| CN101051534A (en) | Method for treating water containing low radioactivity | |
| JP3980883B2 (en) | Method and apparatus for reducing cation impurities in lithium water cooling water and adding lithium, and light water reactor cooling water system having such an apparatus | |
| CN208045113U (en) | Radiate liquid waste treatment system | |
| JP2015064221A (en) | Radioactive nuclide removal system and radioactive nuclide removal method | |
| JPH0247599A (en) | Treatment method for radioactive nuclide containing waste liquid | |
| CN104575652B (en) | The treating method and apparatus of nuclear spent fuel pond water purification method and device and spentnuclear fuel water | |
| JP2014016210A (en) | System and process for decontaminating radioactive contaminated water | |
| CN207337948U (en) | A kind of radioactivity seawater treatment apparatus | |
| JP2014001991A (en) | Radioactive nuclide removing system and radioactive nuclide removing method | |
| CN110491540B (en) | Method for treating radioactive waste | |
| CN108461169A (en) | A kind of lead bismuth heap radioactivity effluent purifying system of nucleic zero-emission | |
| CN202189565U (en) | Civil dual nuclear radiation-resistant water purifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |