CN207441273U - The liquid waste treatment system of the radioactive substance containing nuclear power - Google Patents
The liquid waste treatment system of the radioactive substance containing nuclear power Download PDFInfo
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- CN207441273U CN207441273U CN201721644307.0U CN201721644307U CN207441273U CN 207441273 U CN207441273 U CN 207441273U CN 201721644307 U CN201721644307 U CN 201721644307U CN 207441273 U CN207441273 U CN 207441273U
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- nuclear power
- radioactive substance
- elevator pump
- solenoid valve
- liquid
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Abstract
The utility model provides a kind of liquid waste treatment system of the radioactive substance containing nuclear power, which is characterized in that including sequentially connected waste collection pond, pretreatment unit, attenuating device, centrifugal device, membrane separation device, reclamation set；Attenuating device includes buffer pool, the 5th elevator pump, the solenoid valve one of several parallel connections, several attenuation ponds in parallel and the solenoid valve two of several parallel connections；Membrane separation device includes centrifugate entrance, UF membrane housing, several support columns, reverse osmosis membrane, concentrated solution outlet and the purified liquor outlet of cladding on the support columns that diversion column is provided in UF membrane housing, horizontal array arrangement is provided in UF membrane housing；Support column inner hollow and surface are provided with several liquid drain holes.System provided by the utility model can effectively realize the processing to the sewage of the radioactive substance containing nuclear power, reduce the harm to environment and human body, and waste liquid after processing can be repeated recycling or directly discharge.
Description
Technical field
The utility model is related to Radwastes treatment technical fields, and in particular to a kind of radioactive substance containing nuclear power gives up
The processing system of liquid treating system, especially radioactive substance containing nuclear power waste water.
Background technology
Classify from technological layer, radwaste is divided into two class of high radioactivity and middle low-activity.High-level waste master
To include spentnuclear fuel and its processed material that nuclear fuel generates after power generation；Middle cool waste generally comprises the pollution of nuclear power station
Hydration system, exchanger resin when equipment, detection device, operation, waste water and waste liquid；Further include hospital, factory, research institution and
Nuclear power plant etc. generates the discarded object containing radioactive substance, such as clothing, stationery, test tool, middle cool waste account for institute
Have the 99% of radwaste.The harmfulness of radwaste is relatively low, but radwaste is unique, in processes very
Trouble：First, radioactivity：The radioactivity of radwaste cannot be eliminated with general physics, chemistry and biological method, can only be by putting
The decay of penetrating property nucleic itself and reduce；2nd, radio-hazard：When the ray that radwaste is released passes through substance, ionize
And excitation, radiation injury can be caused to organism；3rd, thermal energy discharges：Radionuclide passes through decay in radwaste
Energy is released, when radionuclide amount is higher, the thermal energy of release can cause the temperature of radwaste constantly to rise, even
Solution alone is made to seethe with excitement, solid voluntarily melts.
Nuclear power plant can generate a large amount of radioactive liquid wastes in operation and maintenance stage, to reduce discharging of waste liquid pair to greatest extent
The influence of environment after being purified to waste liquid, it is necessary to discharge.The processing of nuclear power plant's radioactive liquid waste at present is handed over mostly using ion
Change or evaporation technology dispose waste liquid in boric acid, but the boric acid in waste liquid can not be removed completely, thermal energy consumption is also big, processing cost
Also it is high, there is certain limitation.
Waste water containing radioactive substance has great harm to people's health, production, life, radioactive substance into
To continue for a long time after entering human body, destruction is gradually generated to cell and institutional framework, body system is made to be damaged, cause cancer,
Leukaemia, epilepsy, genetic disease etc. shorten the service life of people.It is very urgent for the processing of nuclear power radioactive substance, for containing
The processing of the water of nuclear power radioactive substance is especially necessary.
CN201621312581.3 discloses a kind of profound purification system by radioactive material contamination, including locating in advance
Reason system, reverse osmosis advanced cleaning system, sterilizing system, radioactive pollutant concentration collection system, wherein, the pre- place
Reason system by medium filter, self-cleaning filter, accurate filter, ultrafiltration apparatus one kind, two or more form, institute
Radioactive pollutant concentration collection system is stated to be made of concentrated water concentrator and radioactive pollutant collector.The system can be effective
The radioactive pollutant in water removal is removed, special processing and explanation is not made for the boric acid contained in waste water, has certain
Limitation.
The content of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of liquid waste treatment system of the radioactive substance containing nuclear power,
The system can effectively remove the radioactive substance in discharge waste liquid, and the boric acid in waste liquid is reasonably handled, system peace
Complete reliable, processing procedure is easy.
To achieve the above object, the utility model provides following scheme：
On the one hand, the utility model provides a kind of liquid waste treatment system of the radioactive substance containing nuclear power, including being sequentially connected
Waste collection pond, pretreatment unit, attenuating device, centrifugal device, membrane separation device, reclamation set；
The first elevator pump is provided between the waste collection pond and pretreatment unit；
The second elevator pump is provided between the pretreatment unit and attenuating device；
The 3rd elevator pump is provided between the attenuating device and centrifugal device；
The attenuating device includes buffer pool, the 5th elevator pump, the solenoid valve one of several parallel connections, the attenuation pond of several parallel connections
With the solenoid valve two of several parallel connections；
The attenuation pond includes the inlet being connected with solenoid valve one, attenuation pond body and goes out liquid with what solenoid valve two was connected
Mouthful；The solenoid valve two is connected with the 3rd elevator pump；
Promotion force (forcing) pump is provided between the centrifugal device and membrane separation device；
The membrane separation device in centrifugate entrance, UF membrane housing, UF membrane housing including being provided with diversion column, film point
Be provided in shrinking away from theshell body several support columns of horizontal array arrangement, cladding reverse osmosis membrane on the support columns, concentrated solution outlet and
Purified liquor outlet；
The support column inner hollow and surface is provided with several liquid drain holes；
The purified liquor outlet is connected with reclamation set；The 4th promotion is provided between the reclamation set and waste collection pond
Pump.
Further, the pretreatment unit include housing, be arranged on removable filter babinet in housing, sealing cover,
The entrance one being arranged on sealing cover and the outlet one for being arranged on housing bottom；The shell nozzle top is provided with the card of annular
Slot, the filter box top are provided with the handle being placed on card slot；It is provided on the inside of the sealing cover and matches somebody with somebody with card slot, handle
The fixture block used is closed, so that the cooperation installation of housing, sealing cover, filter box.
Further, the centrifugal device includes flocculant addition mouth, attenuation liquid entrance, centrifugal device body, centrifugate
Outlet, sediment outlet；
The centrate discharge port is connected by promoting force (forcing) pump with membrane separation device.
Further, membranous system pressure measuring unit is set between the centrifugate entrance and concentrated solution outlet.Using film
The operating pressure and safety of membrane separation device is effectively ensured in system pressure measurement device, extends service life and the place of piece-rate system
Manage efficiency.
Further, the concentrated solution outlet is connected with concentration liquor collecting device, and the concentration liquor collecting device is collected dense
It is handled after contracting liquid for bitumen solidification.
Further, first elevator pump, the second elevator pump, the 3rd elevator pump, promoted force (forcing) pump, the 4th elevator pump,
5th elevator pump, solenoid valve one, solenoid valve two, membranous system pressure measuring unit and centrifugal device are connected by controller and power supply
It connects.
The beneficial effects of the utility model：
The utility model provides a kind of liquid waste treatment system of the radioactive substance containing nuclear power, using filtering, attenuation, centrifugation point
Purified treatment is carried out to the waste liquid containing nuclear power radioactive substance from the mode with UF membrane, can not only be effectively removed in waste liquid
It is good to can remove impurity, the purified treatment effects such as radioactive substance, boric acid for solid impurity；
The pollutant filtered in processing procedure is handled by burning, avoids carrying radioactive substance and band in pollutant secretly
Carry out the damage to human body；
Attenuation processing is effectively realized and radioactive substance is handled, and reduces the environment of radioactive substance and the danger of human body
Evil；
It centrifuges the boric acid sediment for obtaining flocculation or other solid impurities separates, beneficial to subsequent UF membrane
Purified treatment；
The operating pressure and safety of film separation system are effectively ensured using membranous system pressure measuring unit, extends piece-rate system
Service life and treatment effeciency.
Description of the drawings
The structure diagram of Fig. 1 the preferred embodiment in the utility model；
The structure diagram of the pretreatment unit of Fig. 2 the preferred embodiment in the utility model；
The structure diagram of the attenuating device of Fig. 3 the preferred embodiment in the utility model；
The structure diagram of the membrane separation device of Fig. 4 the preferred embodiment in the utility model.
Specific embodiment
For those skilled in the art is made to more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
The invention will be further described for formula.
As shown in figures 1-4, the utility model provides a kind of liquid waste treatment system of the radioactive substance containing nuclear power, including according to
The waste collection pond 1 of secondary connection, pretreatment unit 2, attenuating device 3, centrifugal device 4, membrane separation device 5, reclamation set 6；
The first elevator pump 7 is provided between the waste collection pond 1 and pretreatment unit 2；
The pretreatment unit 2 include housing 21, be arranged on removable filter babinet 22 in housing 21, sealing cover 23,
The entrance 1 being arranged on sealing cover 23 and the outlet 1 for being arranged on 21 bottom of housing；21 upper opening portion of housing is set
There is the card slot 26 of annular, 22 top of filter box is provided with the handle (being not drawn into figure) being placed on card slot；It is described close
23 inside of capping is provided with the fixture block being used cooperatively with card slot 26, handle, so that housing 21, sealing cover 23, filter box 22 are matched somebody with somebody
Close installation；
The second elevator pump 8 is provided between the pretreatment unit 2 and attenuating device 3；
The 3rd elevator pump 9 is provided between the attenuating device 3 and centrifugal device 4；
The attenuating device 3 includes buffer pool 31, the 5th elevator pump 32, the solenoid valve 1 of several parallel connections, several parallel connections
Attenuation pond 34 and several parallel connections solenoid valve 2 35；
The attenuation pond 34 includes the inlet being connected with solenoid valve 1, attenuation pond body and is connected with solenoid valve 2 35
Liquid outlet；The solenoid valve 2 35 is connected with the 3rd elevator pump 9；
It is provided between the centrifugal device 4 and membrane separation device 5 and promotes force (forcing) pump 10；
The centrifugal device 4 includes flocculant and adds in mouth, attenuation liquid entrance, centrifugal device body, centrate discharge port, heavy
Starch outlet；
The centrate discharge port is connected by promoting force (forcing) pump 10 with membrane separation device 5；
The membrane separation device 10 in centrifugate entrance 101, UF membrane housing 102, UF membrane housing 102 including being provided with
Several support columns 104 of horizontal array arrangement are provided in diversion column 103, UF membrane housing 102, are coated on support column 104
Reverse osmosis membrane 105, concentrated solution outlet 106 and purified liquor outlet 107；
104 inner hollow of support column and surface is provided with several liquid drain holes；
The purified liquor outlet 107 is connected with reclamation set 6；Is provided between the reclamation set 6 and waste collection pond 1
Four elevator pumps 11.
Preferably, membranous system pressure measuring unit 12 is set between the centrifugate entrance and concentrated solution outlet.Using film
The operating pressure and safety of membrane separation device 10 is effectively ensured in system pressure measurement device 12, extends the service life of piece-rate system
And treatment effeciency.
Preferably, the concentrated solution outlet 106 is connected with concentration liquor collecting device 13, and the concentration liquor collecting device 13 is received
It is handled after collecting concentrate for bitumen solidification.
Preferably, first elevator pump 7, the second elevator pump 8, the 3rd elevator pump 9, promotion force (forcing) pump the 10, the 4th are promoted
The 11, the 5th elevator pump of pump, solenoid valve one, solenoid valve two, membranous system pressure measuring unit 12 and centrifugal device 4 pass through controller
It is connected with power supply.
The waste collection of the radioactive substance containing nuclear power is promoted to pretreatment dress to waste collection pond 1 by the first elevator pump 7
2 are put, ashes are dissolved in after carrying out burning cooling in the in vivo solid impurity feeding burner of Rose Box after preprocessed device 2 filters
Water, acquired solution enter waste collection pond；Part not soluble in water directly fills；The filtered fluid flowed out from pretreatment unit 2
Enter the buffer pool of attenuating device 3, with being continuously increased for filtered fluid, water level liter in buffer pool under the effect of the second elevator pump 8
Height, selection attenuation pond and its solenoid valve one, are promoted in attenuation pond through the 5th elevator pump and carry out attenuation standing.
After attenuation stands multiple half-life period, through the effect of the 3rd elevator pump 9 into centrifugal device 4, while added by flocculant
Entrance, which adds in flocculant, makes impurity carry out cladding sedimentation, after the sediment of sedimentation is centrifuged discharge carry out landfill disposal；From
The boosted effect of force (forcing) pump 10 of heart liquid carries out reverse osmosis separation concentration, concentrate enters concentrate collection into membrane separation device 5
It is handled after device 13 for bitumen solidification；Clear liquid is repeated through reclamation set 6, the effect of the 4th elevator pump 11 into waste collection pond 1
Using or detection it is up to standard after discharge.
The liquid waste treatment system of the radioactive substance provided by the utility model containing nuclear power is particularly suitable for radiating containing nuclear power
The liquid waste processing of property substance, the solid impurity in waste liquid is effectively removed using pretreatment unit 2, convenient for subsequent separation；Using
Buffer pool in attenuating device 3 and several attenuation ponds, which can effectively avoid, needs the mixed of the new filtered fluid decayed and old filtered fluid
It closes, reduces the time for repeating attenuation；It is handled by flocculant, centrifugal device 4 centrifuges effectively processing precipitation, beneficial to subsequent
Membrane separation device carries out reverse-osmosis treated, realizes the qualified discharge of waste liquid.System provided by the utility model can be realized effectively pair
The processing of the sewage of the radioactive substance containing nuclear power, reduces the harm to environment and human body, and waste liquid after processing can be repeated back
It receives and utilizes or directly discharge.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as being comprised in the present invention's
In protection domain.
Claims (6)
1. a kind of liquid waste treatment system of radioactive substance containing nuclear power, which is characterized in that including sequentially connected waste collection pond,
Pretreatment unit, attenuating device, centrifugal device, membrane separation device, reclamation set；
The first elevator pump is provided between the waste collection pond and pretreatment unit；
The second elevator pump is provided between the pretreatment unit and attenuating device；
The 3rd elevator pump is provided between the attenuating device and centrifugal device；
The attenuating device includes buffer pool, the 5th elevator pump, the solenoid valve one of several parallel connections, the attenuation Chi Heruo of several parallel connections
The solenoid valve two of dry doubling connection；
The attenuation pond includes the inlet being connected with solenoid valve one, attenuation pond body and the liquid outlet being connected with solenoid valve two；
The solenoid valve two is connected with the 3rd elevator pump；
Promotion force (forcing) pump is provided between the centrifugal device and membrane separation device；
The membrane separation device in centrifugate entrance, UF membrane housing, UF membrane housing including being provided with diversion column, UF membrane shell
Several support columns, reverse osmosis membrane, concentrated solution outlet and the clear liquid of cladding on the support columns of horizontal array arrangement are provided in vivo
Outlet；
The support column inner hollow and surface is provided with several liquid drain holes；
The purified liquor outlet is connected with reclamation set；The 4th elevator pump is provided between the reclamation set and waste collection pond.
2. the liquid waste treatment system of the radioactive substance according to claim 1 containing nuclear power, which is characterized in that the pretreatment
Device includes housing, is arranged on removable filter babinet in housing, sealing cover, the entrance one being arranged on sealing cover and sets
In the outlet of housing bottom one；The shell nozzle top is provided with the card slot of annular, and the filter box top, which is provided with, puts
Put the handle on card slot；The fixture block being used cooperatively with card slot, handle is provided on the inside of the sealing cover, so that housing, sealing
Lid, filter box cooperation installation.
3. the liquid waste treatment system of the radioactive substance according to claim 1 containing nuclear power, which is characterized in that the centrifugation dress
It puts and adds in mouth, attenuation liquid entrance, centrifugal device body, centrate discharge port, sediment outlet including flocculant；
The centrate discharge port is connected by promoting force (forcing) pump with membrane separation device.
4. the liquid waste treatment system of the radioactive substance according to claim 1 containing nuclear power, which is characterized in that the centrifugate
Membranous system pressure measuring unit is set between entrance and concentrated solution outlet.
5. the liquid waste treatment system of the radioactive substance according to claim 1 containing nuclear power, which is characterized in that the concentrate
Outlet is connected with concentration liquor collecting device.
6. the liquid waste treatment system of the radioactive substance according to claim 4 containing nuclear power, which is characterized in that described first carries
It rises pump, the second elevator pump, the 3rd elevator pump, promote force (forcing) pump, the 4th elevator pump, the 5th elevator pump, solenoid valve one, solenoid valve
2nd, membranous system pressure measuring unit and centrifugal device are connected by controller with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721644307.0U CN207441273U (en) | 2017-12-01 | 2017-12-01 | The liquid waste treatment system of the radioactive substance containing nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721644307.0U CN207441273U (en) | 2017-12-01 | 2017-12-01 | The liquid waste treatment system of the radioactive substance containing nuclear power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441273U true CN207441273U (en) | 2018-06-01 |
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ID=62285354
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721644307.0U Active CN207441273U (en) | 2017-12-01 | 2017-12-01 | The liquid waste treatment system of the radioactive substance containing nuclear power |
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| CN (1) | CN207441273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109754887A (en) * | 2018-12-24 | 2019-05-14 | 江苏核电有限公司 | The method and its system of the processing of nuclear power station radioactive liquid waste are carried out using adsorbent material |
| CN112216416A (en) * | 2020-10-29 | 2021-01-12 | 江苏中海华核环保有限公司 | Device and method applied to treatment of inorganic radioactive wastewater with Na + |
-
2017
- 2017-12-01 CN CN201721644307.0U patent/CN207441273U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109754887A (en) * | 2018-12-24 | 2019-05-14 | 江苏核电有限公司 | The method and its system of the processing of nuclear power station radioactive liquid waste are carried out using adsorbent material |
| CN112216416A (en) * | 2020-10-29 | 2021-01-12 | 江苏中海华核环保有限公司 | Device and method applied to treatment of inorganic radioactive wastewater with Na + |
| CN112216416B (en) * | 2020-10-29 | 2023-06-06 | 江苏中海华核环保有限公司 | Device and method for treating inorganic radioactive wastewater with Na+ |
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