CN205038976U - Exceed standard processing system of laundrywastes of radioactivity - Google Patents
Exceed standard processing system of laundrywastes of radioactivity Download PDFInfo
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- CN205038976U CN205038976U CN201520565581.3U CN201520565581U CN205038976U CN 205038976 U CN205038976 U CN 205038976U CN 201520565581 U CN201520565581 U CN 201520565581U CN 205038976 U CN205038976 U CN 205038976U
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Abstract
The utility model discloses an exceed standard processing system of laundrywastes of radioactivity, include the pressure type filter unit who communicates in proper order through the pipeline, activated adoption unit and radionuclide ionic adsorption unit, choose for use inorganic ion exchange adsorption agent as the filter material, in order to get rid of the ionic condition nuclide that exist in a large number in the waste water, because the easy cladding zeolite of organic matter forms such as small granule kenel and non -ion surfactant, block up switching path, zeolite exchange capacity is poisoned and reduced, for eliminating in suspended solid that the laundry process produced and the laundry liquid poisoning effect of organic macromolecule such as synthetic detergent to the zeolite, add second grade activated carbon filter before the zeolite crosspoint, in order to get rid of suspended solid and the organic matter in the laundrywastes, waste water after the decontamination satisfies the emission requirement, realize non - motile method and handled the mesh of the radioactivity laundrywastes that exceeds standard, favorable treating effect, simplified operation processing system, energy saving and consumption reduction practices thrift economic cost simultaneously again.
Description
Technical field
The utility model relates to technical field of radioactive wastewater treatment, and particularly a kind of radioactivity exceeds standard the disposal system of laundrywastes.
Background technology
Growing along with the flourish and electricity needs of national Nuclear Electricity, the generated energy in conventional energy resources power station can not meet the demands.Nuclear energy, as emerging energy, is just play more and more important role, and nuclear energy is a kind of energy of relative clean simultaneously, it greatly reduces the pollution to air, but nuclear power station also can produce distinctive refuse except producing general refuse: radioactive waste.Radioactive nuclide in radioactive waste can send particle ray, produces ionising radiation, has very large harmfulness to the mankind.At present, in the nuclear power station run, after laundrywastes and other waste water collected both of originate, adopt the process meanses such as evaporation to carry out processing, comparatively greatly, economy is poor in the power consumption of the method more.Therefore, develop and use a kind of apparatus structure simple, low energy consumption, it is significant that the device of low cost processes the radioactivity laundry waste liquid that exceeds standard.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of radioactivity to exceed standard the disposal system of laundrywastes, reaches the object of the good and disposal system that simplifies the operation for the treatment of effect simultaneously, saves financial cost again while of energy-saving and cost-reducing.
Radioactivity of the present utility model exceeds standard the disposal system of laundrywastes, comprises the pressure type filter element, activated adsorption unit and the radionuclide ion absorbing unit that are communicated with successively by pipeline;
Further, described activated adsorption unit comprises the primary activity absorbing unit and second order activity absorbing unit that are communicated with and arrange, and described pressure type filter element is communicated with second order activity absorbing unit with primary activity absorbing unit respectively and arranges;
Further, described pressure type filter element, primary activity absorbing unit and second order activity absorbing unit and radionuclide ion absorbing unit are provided with pressure differential measurement mechanism;
Further, described pressure type filter element, activated adsorption unit and radionuclide ion absorbing unit are provided with the return line regulating pressure reduction;
Further, described second order activity absorbing unit is provided with water quality detecting device;
Further, described pressure type filter element is deep bed filter, and described activated adsorption unit is active carbon filter, and described radionuclide ion absorbing unit is zeolite filter;
Further, the water delivering orifice of described deep bed filter is connected by pipeline with the water inlet of active carbon filter, and the water delivering orifice of described active carbon filter is connected by pipeline with the water inlet of zeolite filter by pipeline.
The beneficial effects of the utility model: radioactivity of the present utility model exceeds standard the disposal system of laundrywastes, select Inorganic-ion-exchange agent as filtrate, to remove a large amount of ionic condition nucleic existed in waste water, due to easy coated zeolites of organic form such as molecule kenel and non-ionic surfactants, blocking interchange channel, poison and reduce zeolite exchange ability, for eliminating in suspension and liquid detergent that laundry processes produces the organic macromolecule such as synthetic detergent to the toxic action of zeolite, two-stage activated carbon filter is set up before zeolite exchange unit, to remove suspension in laundrywastes and organism, waste water after decontamination meets emission request, achieve non-active method process to exceed standard the object of radioactivity laundrywastes, treatment effect is good, simplify the operation disposal system, financial cost is saved again the while of energy-saving and cost-reducing.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, as shown in the figure: radioactivity of the present utility model exceeds standard the disposal system of laundrywastes, comprises the pressure type filter element 1, activated adsorption unit 2 and the radionuclide ion absorbing unit 3 that are communicated with successively by pipeline; Primary purification is carried out by pressure type filter element 1, then suspension in laundrywastes and organism is removed by activated adsorption unit 2, remove radionuclide ion caesium and strontium by radionuclide ion absorbing unit 3, laundrywastes after treatment enters letdown tank 4.
In the present embodiment, described activated adsorption unit 2 comprises the primary activity absorbing unit 21 and second order activity absorbing unit 22 that are communicated with and arrange, and described pressure type filter element 1 is communicated with second order activity absorbing unit 21 with primary activity absorbing unit 21 respectively and arranges; Because the organic forms such as molecule kenel and non-ionic surfactant easily block interchange channel, affect the purified treatment effect of radionuclide ion absorbing unit 3, therefore by removing suspension in laundrywastes and organism by setting up second order activity absorbing unit 22 before to radionuclide ion absorption.Laundrywastes is after pressure type filter element 1 purifies, can successively enter primary activity absorbing unit 21 and second order activity absorbing unit 22 processes, or be divided into two parts and enter primary activity absorbing unit 21 respectively and second order activity absorbing unit 22 processes.
In the present embodiment, described pressure type filter element 1, primary activity absorbing unit 21 and second order activity absorbing unit 22 and radionuclide ion absorbing unit 3 are provided with pressure differential measurement mechanism 5; Pressure differential measurement mechanism 5 is generally differential manometer, and for evaluating the clogged conditions of processing unit inside, when differential pressure measurement reaches limit value, processing unit will be replaced.
In the present embodiment, described pressure type filter element 1, activated adsorption unit 2 and radionuclide ion absorbing unit 3 are provided with the return line regulating pressure reduction; For meeting the smooth flow of waste water from unit, the pressure reduction that therefore demand fulfillment is certain, when the pressure reduction in each unit is nonstandard, by return line in order to regulate the normal circulation meeting waste water.
In the present embodiment, described second order activity absorbing unit 22 is provided with water quality detecting device 6; When detecting that the waste water processed through second order activity absorbing unit 22 meets the water quality of emission standard by water quality detecting device 6, can directly be discharged into letdown tank 4, the waste water not meeting emission standard continues to enter radionuclide ion absorbing unit 3 and carries out purified treatment.
In the present embodiment, described pressure type filter element 1 is deep bed filter, and described activated adsorption unit 2 is active carbon filter, and described radionuclide ion absorbing unit 3 is zeolite filter; Deep bed filter, the inner basket made by punched-plate supports filter bag, and liquid is flowed into by water inlet, flows out after filtration after bag filtration, and impurity is then intercepted in the middle of filter bag, and filter bag is replaceable or clean, and changes simple and convenient.Compact equipment and filtering accuracy is high, the process flow of unit filter area is comparatively large, and filtration resistance is less, effectively can remove suspension and large granular impurity in laundry waste liquid, reach the effect of good primary filter; Active carbon filter, using NACF as core filter medium.Utilize the distinctive adsorptive power of activated charcoal to remove surfactant in waste water and small organic molecule, suspension in further trap water, to eliminate in the suspension and waste water that laundry processes produces the organic macromolecules such as synthetic detergent to the toxic action of zeolite simultaneously; Zeolite filter, its sorbing material-zeolite is a kind of inorganic non-metallic ore of cell texture, principal ingredient is aluminosilicate, there is good ion exchange property, be a kind of ion exchange absorbent of function admirable, it has fabulous removal effect to the radionuclide ion caesium in low-activity waste water and strontium.
In the present embodiment, the water delivering orifice of described deep bed filter is connected by pipeline with the water inlet of active carbon filter, and the water delivering orifice of described active carbon filter is connected by pipeline with the water inlet of zeolite filter by pipeline.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. radioactivity exceeds standard a disposal system for laundrywastes, it is characterized in that: comprise the pressure type filter element, activated adsorption unit and the radionuclide ion absorbing unit that are communicated with successively by pipeline; Described activated adsorption unit comprises the primary activity absorbing unit and second order activity absorbing unit that are communicated with and arrange, and described pressure type filter element is communicated with second order activity absorbing unit with primary activity absorbing unit respectively and arranges; Described pressure type filter element, activated adsorption unit and radionuclide ion absorbing unit are provided with the return line regulating pressure reduction; Described second order activity absorbing unit is provided with water quality detecting device, detects qualified direct discharging of waste water to letdown tank through water quality detecting device, underproof waste water continues to enter radionuclide ion absorbing unit (3) and carries out purified treatment.
2. radioactivity according to claim 1 exceeds standard the disposal system of laundrywastes, it is characterized in that: described pressure type filter element, primary activity absorbing unit and second order activity absorbing unit and radionuclide ion absorbing unit are provided with pressure differential measurement mechanism.
3. the radioactivity according to the arbitrary claim of claim 2 exceeds standard the disposal system of laundrywastes, it is characterized in that: described pressure type filter element is deep bed filter, described activated adsorption unit is active carbon filter, and described radionuclide ion absorbing unit is zeolite filter.
4. radioactivity according to claim 3 exceeds standard the disposal system of laundrywastes, it is characterized in that: the water delivering orifice of described deep bed filter is connected by pipeline with the water inlet of active carbon filter, the water delivering orifice of described active carbon filter is connected by pipeline with the water inlet of zeolite filter by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565581.3U CN205038976U (en) | 2015-07-28 | 2015-07-28 | Exceed standard processing system of laundrywastes of radioactivity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565581.3U CN205038976U (en) | 2015-07-28 | 2015-07-28 | Exceed standard processing system of laundrywastes of radioactivity |
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| CN205038976U true CN205038976U (en) | 2016-02-17 |
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| CN201520565581.3U Active CN205038976U (en) | 2015-07-28 | 2015-07-28 | Exceed standard processing system of laundrywastes of radioactivity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957573A (en) * | 2016-06-27 | 2016-09-21 | 中电投远达环保工程有限公司重庆科技分公司 | Bagged filtering material changing device for radioactive wastewater treatment process |
| CN108461169A (en) * | 2018-01-29 | 2018-08-28 | 岭东核电有限公司 | A kind of lead bismuth heap radioactivity effluent purifying system of nucleic zero-emission |
| CN109243658A (en) * | 2018-09-18 | 2019-01-18 | 北京清核朝华科技有限公司 | A kind of processing system and processing method of second-order activity decontamination waste liquid |
-
2015
- 2015-07-28 CN CN201520565581.3U patent/CN205038976U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957573A (en) * | 2016-06-27 | 2016-09-21 | 中电投远达环保工程有限公司重庆科技分公司 | Bagged filtering material changing device for radioactive wastewater treatment process |
| CN105957573B (en) * | 2016-06-27 | 2018-01-30 | 中电投远达环保工程有限公司重庆科技分公司 | The pocket type filtrate material-changing device of Spent Radioactive water treatment technology |
| CN108461169A (en) * | 2018-01-29 | 2018-08-28 | 岭东核电有限公司 | A kind of lead bismuth heap radioactivity effluent purifying system of nucleic zero-emission |
| CN109243658A (en) * | 2018-09-18 | 2019-01-18 | 北京清核朝华科技有限公司 | A kind of processing system and processing method of second-order activity decontamination waste liquid |
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