CN105161156A - Method and reactor for million kilowatt nuclear power station to process radioactive wastewater - Google Patents
Method and reactor for million kilowatt nuclear power station to process radioactive wastewater Download PDFInfo
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- CN105161156A CN105161156A CN201510564295.XA CN201510564295A CN105161156A CN 105161156 A CN105161156 A CN 105161156A CN 201510564295 A CN201510564295 A CN 201510564295A CN 105161156 A CN105161156 A CN 105161156A
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Abstract
The invention discloses a method and reactor for a million kilowatt nuclear power station to process radioactive wastewater. According to the method, adsorbents with the specific gravity larger than that of the radioactive wastewater is scattered in the radioactive wastewater through stirring, and the adsorbents are used for nuclide ions in the radioactive wastewater. The lower portion of an inner cavity of the reactor is an adsorbing reaction area, and a separating area is arranged on the upper portion of the inner cavity of the reactor. A radioactive wastewater inlet and a stirring device are arranged in the adsorbing reaction area. An intercepting device for keeping the adsorbents stay in the reactor is arranged in the separating area. A water outlet for processed wastewater is formed in the upper portion of the intercepting device. According to the reactor, existing adsorption of a fixed bed is changed into adsorption of a flowing bed, powder or small particle adsorbents can be selected so that the specific surface area can be increased, the adsorbents and the radioactive wastewater can make full contact by stirring the powder or the small particle adsorbents in the radioactive wastewater, and a large amount of radioactive wastewater can be fast preprocessed.
Description
Technical field
The present invention relates to Spent Radioactive water treatment field, especially a kind of method of million kilowatt nuclear power station process radioactive wastewater and reactor.
Background technology
At present, the adsorptive reactor that Spent Radioactive water treatment field uses is generally ADSORPTION IN A FIXED BED reactor, and the structure of this reactor as shown in Figure 1, comprises cavity 1 ', is filled with oarse-grained adsorbent 2 ' in cavity 1 '.During work, radioactive wastewater flows along the direction of arrow in the figure, namely from reactor upper end input cavity 1 ', then flow downward from the gap of adsorbent 2 ', in flow process, adsorbent 2 ' reacts with the radionuclide ion in water, and adsorbed, the water after process is discharged from reactor lower end.
Adsorbent particle diameter in this ADSORPTION IN A FIXED BED reactor is usually larger, therefore, the specific surface area of adsorbent is little, mass transfer velocity slow, crosses bed flow velocity slow, required reactor volume is large, weight large, in radiation protection, transport, installation etc., have great difficulty.This ADSORPTION IN A FIXED BED reactor transport at the scene and install and also all need special equipment just can complete.Such as: after within 2011, Fukushima, Japan first nuclear power station causes great nuclear accident by the tsunami of super design reference, what the inorganic adsorbent technique processed radioactive wastewater after accident used is ADSORPTION IN A FIXED BED reactor.Whole absorbing process is composed in parallel by 4 groups of devices, often organize shunting means to be made up of 6 modules again, organize parallel connection, often group more even if having employed the mode of multiple module is set to reduce the volume of single reactor, the weight forming the single reactor of main body module still weighs 90 tons, and protective materials also additionally increases the weight of 15 tons.Because weight is too large, in order to transport this reactor, the transporter peace 124 that carry weight is maximum in the world can only be utilized to transport.
If reduce adsorbent particle diameter, although can improve adsorption effect, the gap of adsorbent also will reduce thereupon, and the loss of flood peak that radioactive wastewater flows through fixed bed increases, and the loss of flood peak is increased to and ADSORPTION IN A FIXED BED reactor to a certain degree can be made normally to work.
Summary of the invention
For problems of the prior art, an object of the present invention is to provide one and is applicable to million kilowatt nuclear power station radioactive wastewater pretreatment stage, can the method for fast processing radioactive wastewater in enormous quantities, two of object of the present invention is to provide the reactor of a kind of million kilowatt nuclear power station process radioactive wastewater.
For achieving the above object, technical scheme of the present invention is as follows:
A method for million kilowatt nuclear power station process radioactive wastewater, is dispersed in radioactive wastewater, by the radionuclide ion in adsorbent radioactive wastewater by stirring the adsorbent suspension making proportion be greater than radioactive wastewater proportion.
Further, radioactive wastewater is from water inlet input reactor, adsorption reaction district in the middle part of reactor inner chamber is placed with adsorbent, stir and make adsorbent suspension be dispersed in the radioactive wastewater in adsorption reaction district, radionuclide ion in adsorbent radioactive wastewater, the waste water after process is discharged from water delivering orifice.
Further, the input of radioactive wastewater and the discharge of processed waste water are carried out continuously.
Further, described in described reactor inner chamber, the top in adsorption reaction district is also provided with for the blocking apparatus in reactor of being detained by adsorbent.
Further, described blocking apparatus is swash plate filtrator.
Further, described blocking apparatus is titanium film filtrator.
Further, described blocking apparatus comprises the swash plate filtrator and titanium film filtrator that configure relatively up and down, and titanium film filter bits is in top.
Further, described reactor is also provided with the cleaning device of described titanium film filtrator, this cleaning device comprises scavenging pump and cleaning head, described scavenging pump extracting radioactive waste water is also washed away titanium film filtrator lower surface by described cleaning head, to fall back described adsorption reaction district with the absorbent particles making swash plate filtrator leach.
Further again, the water sucking mouth of described scavenging pump is positioned under described titanium film filtrator.
Further again, the water sucking mouth of described scavenging pump is between described titanium film filtrator and described swash plate filtrator.
Further, described stirring is realized by arranging mechanical stirring device in described adsorption reaction district.
Further, utilize the radioactive wastewater water body in adsorption reaction district described in turbulent water to realize described stirring.
Further, described reactor is also provided with current stirring apparatus, and this current stirring apparatus comprises mixing pump and jet stirrer, and wherein, described jet stirrer is arranged in described adsorption reaction district; Described mixing pump draws the radioactive wastewater in adsorption reaction district, and drawn waste water is delivered to jet stirrer by the water jet ejection on jet stirrer, realizes described stirring.
Further, described mixing pump output terminal connects with described jet stirrer through connecting tube, described connecting tube is provided with vacuum jet device, the suction inlet of vacuum jet device connects with adsorbent container, and vacuum jet device is drawn adsorbent jet and is added in described adsorption reaction district.
A reactor for million kilowatt nuclear power station process radioactive wastewater, the bottom of this reactor inner chamber is adsorption reaction district, and the top of reactor inner chamber is Disengagement zone; Water inlet and the stirring apparatus of radioactive wastewater is provided with in described adsorption reaction district, the adsorbent suspension that proportion is greater than waste water by described stirring apparatus is dispersed in radioactive wastewater, be provided with the blocking apparatus in reactor of being detained by adsorbent in described Disengagement zone, the top of described blocking apparatus is provided with the water delivering orifice of processed waste water.
Further, described blocking apparatus is swash plate filtrator.
Further, described blocking apparatus is titanium film filtrator.
Further, described blocking apparatus comprises the swash plate filtrator and titanium film filtrator that configure relatively up and down, and described titanium film filter bits is in the top of swash plate filtrator.
Further, described swash plate filtrator arranges one deck or multilayer, and swash plate filtrator to be kept at a certain distance away arrangement by some hang plates be parallel to each other.
Further, described reactor is also provided with titanium film filter cleaner, this cleaning device comprises scavenging pump and cleaning head, described cleaning head is positioned at below described titanium film filtrator, cleaning head connects described scavenging pump by pipeline, and is provided with first flow by-pass valve control on this pipeline, and cleaning pump intake is connected on described reactor, extracting radioactive waste water from reactor is also sprayed by cleaning head, to wash away titanium film filtrator lower surface.
Further, the water sucking mouth of described scavenging pump is positioned under described titanium film filtrator.
Further, the water sucking mouth of described scavenging pump is between described titanium film filtrator and described swash plate filtrator.
Further, the bottom of described reactor is downward diminishing taper, and described water inlet is arranged on the cone point place of reactor bottom, and when stopping water inlet, this water inlet can also discharge the absorbent particles being deposited in reactor intracavity bottom.
Further, described stirring apparatus is mechanical stirring device.
Further, described stirring apparatus is current stirring apparatus, and described current stirring apparatus comprises mixing pump and jet stirrer, and wherein, described jet stirrer is arranged in described adsorption reaction district; Described jet stirrer connects the adsorption reaction district of described mixing pump and reactor successively by pipeline, the upstream and downstream pipeline of mixing pump is provided with second, third flow control valve, mixing pump draws the radioactive wastewater in adsorption reaction district, and drawn waste water is delivered to jet stirrer sprayed by jet stirrer, realize stirring.
Further, the pipeline connecting described mixing pump output terminal and described jet stirrer is provided with the 4th flow control valve, vacuum jet device is accessed with this valve in parallel, the suction inlet of described vacuum jet device is connected with adsorbent container by pipeline, and on this section of pipeline, being provided with the 5th flow control valve, vacuum jet device is drawn adsorbent jet and is added in described adsorption reaction district.
Further, described jet stirrer comprises horizontally disposed transverse tube, these transverse tube two ends are provided with the nozzle of horizontal-jet, and the injection direction of described nozzle is contrary and outside the axial direction of transverse tube, the radioactive wastewater in the water jet propulsion reaction zone penetrated by nozzle and absorbent particles Stirring.
Further, the injection direction of described nozzle is perpendicular to the axis of described transverse tube.
Further, the water inlet of described reactor is connected with vibration means for main pipe for supplying water road, described main line is provided with two branch pipeline, the first branch pipeline is connected with charging pump, radioactive wastewater is promoted to enter reactor inner chamber through this branch pipeline and main line by this charging pump; Second branch pipeline is for discharging absorbent particles; Main line is provided with the 6th flow control valve, the first branch pipeline is provided with the 7th flow control valve, and the second branch pipeline is provided with the 8th flow control valve.
Compared with prior art, the present invention has following beneficial effect:
(1) existing ADSORPTION IN A FIXED BED is changed into thermopnore absorption by the present invention, powder or short grained adsorbent can be chosen to increase specific surface area, improve adsorbent in radioactive wastewater fully contact with radioactive wastewater by being stirred in, reduce the reaction time, pre-service can be carried out to a large amount of radioactive wastewater rapidly;
(2) in the present invention, swash plate filtrator utilizes lamina flow principle to shorten the settling height of adsorbent, the settling time required for minimizing, improves the separating effect of adsorbent and water body, reduces the volume of reactor; Utilize titanium film filtrator to tackle adsorbent, cleaning device can the adsorbent of Hand scarf titanium film filtrator lower surface, and makes it return to reaction zone, without the need to shutting down;
(3) the adsorbent suspension that the present invention adopts alr mode to make proportion be greater than radioactive wastewater is dispersed in radioactive wastewater.Stirring can also have various ways, as jet stirrer, rock stirring, insert stir rod stir, pass into bubble etc. to water bottom, as long as reach adsorbent suspension dispersion effect.The nozzle that on jet stirrer, direction is contrary makes radioactive wastewater in adsorption reaction district and adsorbent Stirring, and adsorbent can be dispersed in water, and when axis perpendicular to transverse tube of the injection direction of nozzle, mixing effect is best; The producible negative pressure of vacuum jet device on the pipeline of jet stirrer, adds in reactor automatically by adsorbent;
(4) reactor bottom of the present invention is arranged to taper the adsorbent sunk to the bottom can be made to concentrate on the tip of conical lower portion, be equipped with the water inlet at tip, upward flow speed can be provided when injecting new radioactive wastewater, adsorbent is suspended again, improves mixing effect, when adsorbent lost efficacy, the adsorbent of deposition can also be discharged by water inlet.
Accompanying drawing explanation
Fig. 1 is the structural representation of ADSORPTION IN A FIXED BED reactor in prior art.
Fig. 2 is the structural representation of reactor in the embodiment of the present invention 1.
Fig. 3 is the structural representation of reactor in the embodiment of the present invention 2.
Fig. 4 is the structural representation of reactor in the embodiment of the present invention 3.
Fig. 5 is the structural representation of reactor in the embodiment of the present invention 4.
Fig. 6 is the structural representation of reactor in the embodiment of the present invention 5.
Fig. 7 is the structural representation of reactor in the embodiment of the present invention 6.
Reference numeral is:
Cavity 1 ', water inlet 31,
Adsorbent 2 ', water delivering orifice 32,
Reactor 3, adsorption reaction district 4,
Disengagement zone 5, the first tensimeter 17,
Jet stirrer 6, the second tensimeter 18,
Swash plate filtrator 7, first flow by-pass valve control MV1,
Charging pump 9, the second flow control valve MV2,
Mixing pump 10, the 3rd flow control valve MV3,
Mechanical stirrer 100, the 4th flow control valve MV4,
Vacuum jet device the 11, five flow control valve MV5,
Adsorbent container the 12, six flow control valve MV6,
Cleaning head 14, the 7th flow control valve MV7,
Scavenging pump 15, the 8th flow control valve MV8.
Titanium film filtrator 16,
Embodiment
For a better understanding of the present invention, below with reference to the accompanying drawings, the present invention is more fully illustrated.Shown in the drawings of exemplary embodiment of the present invention.But, provide these embodiments to be in order to the present invention is conveyed to those of ordinary skill in the art by comprehensive and complete.But the present invention can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.
For ease of illustrating, here can use such as " on ", the space relative terms such as D score " left side " " right side ", for illustration of the element of shown in figure or the feature relation relative to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise device different azimuth in use or operation.Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, exemplary term D score can comprise upper and lower both orientation.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and space used here illustrates relatively can correspondingly explain.
Embodiment 1
The reactor 3 of the million kilowatt nuclear power station process radioactive wastewater used in the present embodiment as shown in Figure 2, reactor 3 bottom is with the water inlet 31 of radioactive wastewater (former water), top is with the water delivering orifice 32 of processed waste water, adsorption reaction district 4 is provided with in reactor 3 inner chamber, be placed with granular adsorbent in this adsorption reaction district 4, the proportion of adsorbent is greater than the proportion of waste water.
The reactor 3 in the present embodiment is used to process radioactive wastewater, method is: radioactive wastewater is from water inlet 31 input reactor 3, discharge from water delivering orifice 32, period, being stirred by mechanical stirrer 100 makes adsorbent suspend in the radioactive wastewater be dispersed in adsorption reaction district 4, and mechanical stirrer 100 is specially blade agitator.Utilize the process of adsorbent radionuclide ion realization to radioactive wastewater, the input of radioactive wastewater and the discharge of processed waste water are carried out continuously, also may be carried out batchwise.
Embodiment 2
As shown in Figure 3, the bottom of reactor 3 inner chamber is adsorption reaction district 4 to the reactor 3 of the million kilowatt nuclear power station process radioactive wastewater used in the present embodiment, and the top of reactor 3 inner chamber is Disengagement zone 5; Be provided with water inlet 31 and the stirring apparatus of radioactive wastewater in adsorption reaction district 4, stirring apparatus is specially mechanical stirrer 100 in the present embodiment, as blade agitator.Be placed with granular adsorbent in adsorption reaction district 4, the proportion of adsorbent is greater than the proportion of waste water.The absorbent particles suspension that proportion is greater than waste water by mechanical stirrer 100 is dispersed in this radioactive wastewater.
Be provided with the blocking apparatus for being detained in reactor 3 by adsorbent in Disengagement zone 5, the top of blocking apparatus is provided with the water delivering orifice 32 of processed waste water.Blocking apparatus is the swash plate filtrator 7 and titanium film filtrator 16 (namely as shown in Figure 3) that arrange simultaneously, and titanium film filtrator 16 is positioned at above swash plate filtrator 7, and water delivering orifice 32 is positioned at above titanium film filtrator 16.Swash plate filtrator 7 can arrange one deck or arrange upper and lower multilayer, and swash plate filtrator 7 to be kept at a certain distance away arrangement by some hang plates be parallel to each other.Swash plate filtrator 7 utilizes lamina flow principle to shorten the settling height of adsorbent, the settling time required for minimizing, improves the separating effect of adsorbent and water body.Titanium film filtrator 16 utilize aperture to be greater than hydrone and the titanium film being less than absorbent particles particle diameter to tackle adsorbent.
The reactor 3 in the present embodiment is used to process radioactive wastewater, method is: radioactive wastewater inputs from water inlet 31, discharge from water delivering orifice 32, period, being stirred by mechanical type makes adsorbent suspend in the radioactive wastewater be dispersed in adsorption reaction district 4, utilizes the process of adsorbent radionuclide ion realization to radioactive wastewater.
Embodiment 3
As shown in Figure 4, the bottom of reactor 3 inner chamber is adsorption reaction district 4 to the reactor 3 of the million kilowatt nuclear power station process radioactive wastewater used in the present embodiment, and the top of reactor 3 inner chamber is Disengagement zone 5; Be provided with water inlet 31 and the stirring apparatus of radioactive wastewater in adsorption reaction district 4, stirring apparatus is specially mechanical stirrer 100 in the present embodiment, as blade agitator.Be placed with granular adsorbent in adsorption reaction district 4, the proportion of adsorbent is greater than the proportion of waste water.The absorbent particles suspension that proportion is greater than waste water by mechanical stirrer 100 is dispersed in this radioactive wastewater.
Be provided with the blocking apparatus for being detained in reactor 3 by adsorbent in Disengagement zone 5, the top of blocking apparatus is provided with the water delivering orifice 32 of processed waste water.Blocking apparatus is the swash plate filtrator 7 arranged separately, and swash plate filtrator 7 can arrange one deck or arrange upper and lower multilayer, and swash plate filtrator 7 to be kept at a certain distance away arrangement by some hang plates be parallel to each other.Swash plate filtrator 7 utilizes lamina flow principle to shorten the settling height of adsorbent, the settling time required for minimizing, improves the separating effect of adsorbent and water body.
The reactor 3 in the present embodiment is used to process radioactive wastewater, method is: radioactive wastewater inputs from water inlet 31, discharge from water delivering orifice 32, period, being stirred by mechanical type makes adsorbent suspend in the radioactive wastewater be dispersed in adsorption reaction district 4, utilizes the process of adsorbent radionuclide ion realization to radioactive wastewater.
Embodiment 4
As shown in Figure 5, with the water inlet 31 of former water bottom reactor 3, top is with the water delivering orifice 32 of processed waste water for the reactor 3 of the million kilowatt nuclear power station process radioactive wastewater used in the present embodiment.Reactor 3 inner chamber bottom is provided with adsorption reaction district 4, is placed with granular adsorbent in this adsorption reaction district 4, and the proportion of adsorbent is greater than the proportion of waste water.
Reactor 3 inner chamber top is provided with Disengagement zone 5, and Disengagement zone 5 is positioned at the top in adsorption reaction district 4, is provided with the blocking apparatus for being detained in reactor 3 by adsorbent in Disengagement zone 5; Blocking apparatus is the swash plate filtrator 7 and titanium film filtrator 16 that arrange simultaneously, and titanium film filtrator 16 is positioned at above swash plate filtrator 7, and water delivering orifice 32 is positioned at above titanium film filtrator 16.
Use current to stir in the present embodiment, current stirring apparatus comprises mixing pump 10 and jet stirrer 6, and wherein, jet stirrer 6 is arranged in adsorption reaction district 4; Mixing pump 10 draws the radioactive wastewater in adsorption reaction district 4, and drawn waste water is delivered to jet stirrer 6 by the water jet ejection on jet stirrer 6, realizes stirring.
Reactor 3 is also provided with the cleaning device of titanium film filtrator 16, this cleaning device comprises scavenging pump 15, cleaning head 14, scavenging pump 15 extracting radioactive waste water is also washed away by cleaning head 14 pairs of titanium film filtrator 16 lower surfaces, to fall resorption reaction enclosure district 4 with the absorbent particles making titanium film filtrator 16 leach.The water sucking mouth of preferred scavenging pump 15 be positioned at titanium film filtrator 16 and swash plate filtrator 7 between.
The reactor 3 in the present embodiment is used to process radioactive wastewater, method is: radioactive wastewater inputs from water inlet 31, discharge from water delivering orifice 32, period, being stirred by current stirring apparatus makes adsorbent suspend in the radioactive wastewater be dispersed in adsorption reaction district 4, and utilizes the process of adsorbent radionuclide ion realization to radioactive wastewater.
Embodiment 5
As shown in Figure 6, with the water inlet 31 of former water bottom reactor 3, top is with the water delivering orifice 32 of processed waste water for the reactor 3 of the million kilowatt nuclear power station process radioactive wastewater used in the present embodiment.Reactor 3 inner chamber bottom is provided with adsorption reaction district 4, is placed with granular adsorbent in this adsorption reaction district 4, and the proportion of adsorbent is greater than the proportion of waste water.
Reactor 3 inner chamber top is provided with Disengagement zone 5, and Disengagement zone 5 is positioned at the top in adsorption reaction district 4, is provided with the blocking apparatus for being detained in reactor 3 by adsorbent in Disengagement zone 5; Blocking apparatus is the titanium film filtrator 16 arranged separately, and water delivering orifice 32 is positioned at above titanium film filtrator 16.
Use current to stir in the present embodiment, current stirring apparatus comprises mixing pump 10 and jet stirrer 6, and wherein, jet stirrer 6 is arranged in adsorption reaction district 4; Mixing pump 10 draws the radioactive wastewater in adsorption reaction district 4, and drawn waste water is delivered to jet stirrer 6 by the water jet ejection on jet stirrer 6, realizes stirring.
Reactor 3 is also provided with the cleaning device of titanium film filtrator 16, this cleaning device comprises scavenging pump 15, cleaning head 14, scavenging pump 15 extracting radioactive waste water is also washed away by cleaning head 14 pairs of titanium film filtrator 16 lower surfaces, to fall resorption reaction enclosure district 4 with the absorbent particles making titanium film filtrator 16 leach.The water sucking mouth of preferred scavenging pump 15 is positioned under titanium film filtrator 16.
The reactor 3 in the present embodiment is used to process radioactive wastewater, method is: radioactive wastewater inputs from water inlet 31, discharge from water delivering orifice 32, period, being stirred by current stirring apparatus makes adsorbent suspend in the radioactive wastewater be dispersed in adsorption reaction district 4, and utilizes the process of adsorbent radionuclide ion realization to radioactive wastewater.
Embodiment 6
As shown in Figure 7, the bottom of this reactor 3 inner chamber is adsorption reaction district 4 to the reactor 3 of the million kilowatt nuclear power station process radioactive wastewater used in the present embodiment, and top is Disengagement zone 5.Be provided with water inlet 31 and the stirring apparatus of former water in adsorption reaction district 4, former water enters in reactor 3 along direction shown in arrow A in figure.Be provided with the blocking apparatus of being detained in reactor 3 by absorbent particles in Disengagement zone 5, the top of blocking apparatus is provided with the water delivering orifice 32 of processed waste water, and the waste water after process is along arrow B to discharge.Blocking apparatus is provided with swash plate filtrator 7 and titanium film filtrator 16 simultaneously, and titanium film filtrator 16 is positioned at above swash plate filtrator 7.Swash plate filtrator 7 can arrange one deck or arrange upper and lower multilayer, and swash plate filtrator 7 to be kept at a certain distance away arrangement by some hang plates be parallel to each other.
The cleaning device of titanium film filtrator 16 is also provided with in reactor 3, this cleaning device comprises scavenging pump 15 and cleaning head 14, cleaning head 14 is positioned at below titanium film filtrator 16, cleaning head 14 connects scavenging pump 15 by pipeline, and on this pipeline, be provided with first flow by-pass valve control MV1, in order to control the discharge of cleaning device.The suction inlet of scavenging pump 15 is connected on reactor 3, preferably between titanium film filtrator 16 and swash plate filtrator 7, to be washed away by cleaning head 14 pairs of titanium film filtrator 16 lower surfaces by extracting radioactive waste water in reactor 3.
Stirring apparatus in the present embodiment is specially current stirring apparatus, and the absorbent particles suspension that proportion is greater than waste water by current stirring apparatus is dispersed in this radioactive wastewater.Current stirring apparatus comprises mixing pump 10 and jet stirrer 6, and wherein, jet stirrer 6 is arranged in adsorption reaction district 4; Pipeline connects jet stirrer 6, mixing pump 10 and reactor 3 successively, the upstream and downstream pipeline of mixing pump 10 is provided with the second flow control valve MV2 and the 3rd flow control valve MV3, mixing pump 10 draws the radioactive wastewater in adsorption reaction district 4, and drawn waste water is delivered to jet stirrer 6 sprayed by jet stirrer 6, realize stirring.
The pipeline connecting mixing pump 10 output terminal and jet stirrer 6 is provided with the 4th flow control valve MV4, in parallelly with the 4th flow control valve MV4 access vacuum jet device 11 and the first tensimeter 17, the suction inlet of vacuum jet device 11 is connected with adsorbent container 12 by pipeline, and on this section of pipeline, be provided with the 5th flow control valve MV5 and the second tensimeter 18, by vacuum jet device 11, adsorbent jet is added in adsorption reaction district 4.
Jet stirrer 6 comprises horizontally disposed transverse tube, this transverse tube is provided with water inlet, two ends are respectively arranged with the nozzle of horizontal-jet, the injection direction of two nozzles is contrary and outside the axial direction of transverse tube, the radioactive wastewater in the water jet propulsion adsorption reaction district 4 penetrated by nozzle and absorbent particles Stirring.The injection direction of preferred two nozzles is perpendicular to the axis of transverse tube.
The bottom of reactor 3 is downward diminishing taper, and water inlet 31 is arranged on the cone point place bottom reactor 3.The water inlet 31 of reactor 3 is connected with vibration means for main pipe for supplying water road, main line is provided with two branch pipeline, one of them branch pipeline being connected with charging pump 9 is the first branch pipeline, radioactive wastewater enters charging pump 9 along direction shown in arrow A, is promoted to enter reactor 3 inner chamber through the first branch pipeline and main line by this charging pump 9; Another branch pipeline is the second branch pipeline, and the second branch pipeline is when stopping water inlet, and discharge the absorbent particles being deposited in reactor 3 intracavity bottom, absorbent particles is discharged along arrow C; Main line and two branch pipeline are respectively arranged with the 6th flow control valve MV6, the 7th flow control valve MV7 and the 8th flow control valve MV8.
Claims (28)
1. a method for million kilowatt nuclear power station process radioactive wastewater, is characterized in that, is dispersed in radioactive wastewater, by the radionuclide ion in adsorbent radioactive wastewater by stirring the adsorbent suspension making proportion be greater than radioactive wastewater proportion.
2. the method for process radioactive wastewater in million kilowatt nuclear power station as claimed in claim 1, it is characterized in that, radioactive wastewater is from water inlet input reactor, adsorption reaction district in the middle part of reactor inner chamber is placed with adsorbent, stir and make adsorbent suspension be dispersed in the radioactive wastewater in adsorption reaction district, radionuclide ion in adsorbent radioactive wastewater, the waste water after process is discharged from water delivering orifice.
3. the method for process radioactive wastewater in million kilowatt nuclear power station as claimed in claim 2, it is characterized in that, the input of radioactive wastewater and the discharge of processed waste water are carried out continuously.
4. the method for process radioactive wastewater in million kilowatt nuclear power station as claimed in claim 2, it is characterized in that, in described reactor inner chamber, the top in adsorption reaction district is also provided with for the blocking apparatus in reactor of being detained by adsorbent.
5. the method for process radioactive wastewater in million kilowatt nuclear power station as claimed in claim 4, it is characterized in that, described blocking apparatus is swash plate filtrator.
6. the method for process radioactive wastewater in million kilowatt nuclear power station as claimed in claim 4, it is characterized in that, described blocking apparatus is titanium film filtrator.
7. the method for process radioactive wastewater in million kilowatt nuclear power station as claimed in claim 4, it is characterized in that, described blocking apparatus comprises the swash plate filtrator and titanium film filtrator that configure relatively up and down, and titanium film filter bits is in the top of swash plate filtrator.
8. as claimed in claims 6 or 7 million kilowatt nuclear power station process radioactive wastewater method, it is characterized in that, described reactor is also provided with the cleaning device of described titanium film filtrator, this cleaning device comprises scavenging pump and cleaning head, and described scavenging pump is drawn the waste water after sorbent treatment and washed away titanium film filtrator lower surface by described cleaning head.
9. the method for process radioactive wastewater in million kilowatt nuclear power station as claimed in claim 8, it is characterized in that, the water sucking mouth of described scavenging pump is positioned under described titanium film filtrator.
10. the method for process radioactive wastewater in million kilowatt nuclear power station as claimed in claim 8, it is characterized in that, the water sucking mouth of described scavenging pump is between described titanium film filtrator and described swash plate filtrator.
The method of 11. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 2, is characterized in that, realizing described stirring by arranging mechanical stirring device in described adsorption reaction district.
The method of 12. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 2, is characterized in that, utilize the radioactive wastewater water body in adsorption reaction district described in turbulent water to realize described stirring.
The method of 13. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 12, it is characterized in that, described reactor is also provided with current stirring apparatus, this current stirring apparatus comprises mixing pump and jet stirrer, wherein, described jet stirrer is arranged in described adsorption reaction district; Described mixing pump draws the radioactive wastewater in adsorption reaction district, and drawn waste water is delivered to jet stirrer by the water jet ejection on jet stirrer, realizes described stirring.
The method of 14. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 13, it is characterized in that, described mixing pump output terminal connects with described jet stirrer through connecting tube, described connecting tube is provided with vacuum jet device, the suction inlet of vacuum jet device connects with adsorbent container, and vacuum jet device is drawn adsorbent jet and is added in described adsorption reaction district.
The reactor of 15. 1 kinds of million kilowatt nuclear power station process radioactive wastewaters, it is characterized in that, the bottom of reactor inner chamber is adsorption reaction district, and the top of reactor inner chamber is Disengagement zone; Water inlet and the stirring apparatus of radioactive wastewater is provided with in described adsorption reaction district, the adsorbent suspension that proportion is greater than waste water by described stirring apparatus is dispersed in radioactive wastewater, be provided with the blocking apparatus in reactor of being detained by adsorbent in described Disengagement zone, the top of described blocking apparatus is provided with the water delivering orifice of processed waste water.
The reactor of 16. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 15, it is characterized in that, described blocking apparatus is swash plate filtrator.
The reactor of 17. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 15, it is characterized in that, described blocking apparatus is titanium film filtrator.
The reactor of 18. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 15, it is characterized in that, described blocking apparatus comprises the swash plate filtrator and titanium film filtrator that configure relatively up and down, and described titanium film filter bits is in the top of swash plate filtrator.
The reactor of 19. million kilowatt nuclear power station process radioactive wastewaters as described in claim 16 or 18, it is characterized in that, described swash plate filtrator arranges one deck or multilayer, and swash plate filtrator to be kept at a certain distance away arrangement by some hang plates be parallel to each other.
The reactor of 20. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 17, it is characterized in that, described reactor is also provided with titanium film filter cleaner, this cleaning device comprises scavenging pump and cleaning head, described cleaning head is positioned at below described titanium film filtrator, cleaning head connects described scavenging pump by pipeline, and the water sucking mouth of scavenging pump is positioned under described titanium film filtrator.
The reactor of 21. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 18, it is characterized in that, described reactor is also provided with titanium film filter cleaner, this cleaning device comprises scavenging pump and cleaning head, described cleaning head is positioned at below described titanium film filtrator, cleaning head connects described scavenging pump by pipeline, and the water sucking mouth of scavenging pump is between described titanium film filtrator and described swash plate filtrator.
The reactor of 22. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 15, it is characterized in that, the bottom of described reactor is downward diminishing taper, and described water inlet is arranged on the cone point place water inlet of reactor bottom.
The reactor of 23. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 15, it is characterized in that, described stirring apparatus is mechanical stirring device or current stirring apparatus.
The reactor of 24. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 23, it is characterized in that, described current stirring apparatus comprises mixing pump and jet stirrer, and wherein, described jet stirrer is arranged in described adsorption reaction district; Described jet stirrer connects the adsorption reaction district of described mixing pump and reactor successively by pipeline, the upstream and downstream pipeline of mixing pump is provided with second, third flow control valve, mixing pump draws the radioactive wastewater in adsorption reaction district, and drawn waste water is delivered to jet stirrer is sprayed by jet stirrer.
The reactor of 25. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 24, it is characterized in that, the pipeline connecting described mixing pump output terminal and described jet stirrer is provided with the 4th flow control valve, in parallelly with the 4th flow control valve access vacuum jet device, the suction inlet of described vacuum jet device is connected with adsorbent container by pipeline, and on this section of pipeline, being provided with the 5th flow control valve, vacuum jet device is drawn adsorbent jet and is added in described adsorption reaction district.
The reactor of 26. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 24, it is characterized in that, described jet stirrer comprises horizontally disposed transverse tube, and these transverse tube two ends are provided with the nozzle of horizontal-jet, and the injection direction of described nozzle is contrary and outside the axial direction of transverse tube.
The reactor of 27. million kilowatt nuclear power stations as claimed in claim 26 process radioactive wastewaters, is characterized in that, the injection direction of described nozzle is perpendicular to the axis of described transverse tube.
The reactor of 28. process radioactive wastewaters in million kilowatt nuclear power station as claimed in claim 15, it is characterized in that, the water inlet of described reactor is connected with vibration means for main pipe for supplying water road, described main line is provided with two branch pipeline, first branch pipeline is connected with charging pump, and radioactive wastewater is promoted to enter reactor inner chamber through this branch pipeline and main line by this charging pump; Second branch pipeline is for discharging absorbent particles; Main line is provided with the 6th flow control valve, the first branch pipeline is provided with the 7th flow control valve, and the second branch pipeline is provided with the 8th flow control valve.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287016A (en) * | 2017-07-10 | 2017-10-24 | 西安热工研究院有限公司 | The oxygen-enriched super renovation process of wind power gear oil and regenerator |
| CN107369485A (en) * | 2017-08-04 | 2017-11-21 | 成都天翔环境股份有限公司 | Spent resin transhipment tank car discharge system, waste material induction system and transhipment tank car |
| CN107935217A (en) * | 2017-11-24 | 2018-04-20 | 上海巴安水务股份有限公司 | A kind of waterborne radioactivity radium element removes system |
| 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 |
-
2015
- 2015-09-07 CN CN201510564295.XA patent/CN105161156B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 刘琳，刑锦娟，钱建华 编著: "《薄膜材料的制备及应用》", 31 December 2011 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287016A (en) * | 2017-07-10 | 2017-10-24 | 西安热工研究院有限公司 | The oxygen-enriched super renovation process of wind power gear oil and regenerator |
| CN107369485A (en) * | 2017-08-04 | 2017-11-21 | 成都天翔环境股份有限公司 | Spent resin transhipment tank car discharge system, waste material induction system and transhipment tank car |
| CN107369485B (en) * | 2017-08-04 | 2023-07-04 | 成都天翔环境股份有限公司 | Unloading system of waste resin transfer tank truck, waste conveying system and transfer tank truck |
| CN107935217A (en) * | 2017-11-24 | 2018-04-20 | 上海巴安水务股份有限公司 | A kind of waterborne radioactivity radium element removes system |
| 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 |
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| CN105161156B (en) | 2017-09-01 |
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