CN1246711A - Radioactive waste treatment device - Google Patents
Radioactive waste treatment device Download PDFInfo
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- CN1246711A CN1246711A CN 99118166 CN99118166A CN1246711A CN 1246711 A CN1246711 A CN 1246711A CN 99118166 CN99118166 CN 99118166 CN 99118166 A CN99118166 A CN 99118166A CN 1246711 A CN1246711 A CN 1246711A
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Abstract
A mixer has a screw feeder, a stirrer and a pump. A solidifier supply popper receiving mortar stuff from a solid material silo is placed. Mortar stuff in the solidifier supply popper is supplied in the mixing region in the mixer by the screw feeder. Mortar is discharged from the pump and injected into a drum charged with radioactive waste, incombustible solid waste. Since the solidifier supply popper is placed, scattering of supply amount of mortar stuff into the mixer becomes small and P funnel value in the mixture is stabilized. As a result, a small placement space of a mixer can be obtained.
Description
The present invention relates to the treating apparatus and the disposal route of radioactive waste, be particularly related to and be suitable for generating continuously the curing materials pastel, treating apparatus and its disposal route of the radioactive waste of this curing materials pastel of injection in the cylindrical vessel of having filled radiomaterial.
Atomic power plant, nuclear fuel again treatment facility etc. use in the equipment of handling radiomaterial, produce Flammable Solid Class 4.1 discarded object such as paper scrap, waste ion-exchang resin and plastics and burn noncombustibility solid waste such as ash, radioactive grain and metal waste.Burning ash is produced by the incineration of combustible solid waste.Sometimes metal waste is carried out melt process.After the noncombustibility solid waste of radioactive waste is in being filled into cylindrical pressure vessel, be cured by in cylindrical pressure vessel, injecting mortar (perhaps grout).Mortar be by in batch formula mixer, add hydraulic cement as curing materials, as the Sha Heshui of aggregate, their are mixed generating.But, generate the mortar that injects aequum and solidify that to handle the time that needs long because batch formula mixer is per 1 cylindrical vessel, therefore once generation can be injected the mortar of the amount of a plurality of cylindrical vessels.For this reason, it is big that mixer becomes, and needs to enlarge the space is set.
What the purpose of this invention is to provide mixer is provided with space radioactive waste treatment device little, that can obtain the potpourri of P funnel value stabilization.
The feature of the present invention that achieves the above object is to have: mixer, the curing materials feedway of supplying with curing materials by rotation is housed in it, stirring apparatus that be connected with above-mentioned curing materials feedway, mixed water and the above-mentioned curing materials that from above-mentioned curing materials supply arrangement, spues, and discharge the pump that mixes the flowable state potpourri that generates by this; The part of the above-mentioned stirring apparatus of configuration provides the device of above-mentioned water in above-mentioned stirring machine; Fill the curing materials filling containers of above-mentioned curing materials; Receive the intermediate receptacle that above-mentioned curing materials also supplies to this curing materials above-mentioned curing materials feedway from above-mentioned curing materials filling containers; To import the pipeline in the container that is filled with radioactive waste from the said mixture that said pump is discharged.
According to the present invention, because the curing materials feedway of supplying with curing materials by rotation is housed in the mixer, stirring apparatus that link to each other with the curing materials feedway, mixed water and the curing materials that spues from the curing materials feedway and discharging by the pump that mixes the flowable state potpourri that generates, therefore can discharge the potpourri of generation continuously, the space of depositing potpourri in mixer becomes minimum, with mixer miniaturization greatly.Therefore, reduced the space that is provided with of mixer.And, the present invention is owing to be provided with from curing materials filling containers reception curing materials, and this curing materials supplied to intermediate receptacle in the curing materials feedway, therefore, the fluctuation of the quantity delivered of the curing materials that comes out from the curing materials filling containers is obtained relaxing by intermediate receptacle, and the fluctuation of the amount of the curing materials of supplying with to mixer reduces.So the P funnel value of the potpourri that generates in mixer becomes stable.
The feature of the 1st embodiment of the present invention that achieves the above object is to have the altitude gauge that detects the curing materials height in the above-mentioned intermediate receptacle, with the output according to this altitude gauge, the control device of the amount of above-mentioned curing materials is supplied with in control to above-mentioned intermediate receptacle from above-mentioned curing materials filling device.According to the 1st embodiment, because measured value according to the height of the curing materials in the intermediate receptacle, controlled amount from the curing materials filling device to intermediate receptacle that supply with curing materials from, so the variation of the height of the curing materials in the intermediate receptacle further reduces, the variation of the amount of the curing materials that provides to mixer is minimum.Therefore, the variation of the P funnel value of potpourri is minimum.
The feature of the 2nd embodiment of the present invention that achieves the above object is to have the device of measuring above-mentioned intermediate receptacle weight, with the output according to above-mentioned Weight measurement device, the control device of the amount of above-mentioned curing materials is supplied with in control to above-mentioned intermediate receptacle from above-mentioned curing materials filling device.According to the 2nd embodiment, because measured value according to the weight of intermediate receptacle, controlled amount from the curing materials filling device to intermediate receptacle that supply with curing materials from, so it is identical with the 1st embodiment, the variation of the curing materials amount in the intermediate receptacle further reduces, and the variation of the P funnel value of potpourri is minimum.
The feature of the 3rd embodiment of the present invention that achieves the above object is to have: mixer, be equipped with in it by rotation and supply with the raw-material raw material supply device of mortar, link to each other with above-mentioned raw material supply device, mixed water and the raw-material stirring apparatus of above-mentioned mortar that spues from the above-mentioned raw materials feedway, and discharge by the pump that mixes the flowable state potpourri that generates; Supply with the device of above-mentioned water to the part of the above-mentioned stirring apparatus that in above-mentioned stirring machine, disposes; Fill the raw-material starting material filling containers of above-mentioned mortar; Receive above-mentioned mortar starting material and with the intermediate receptacle of this mortar raw material supply to the above-mentioned raw material supply device from above-mentioned starting material filling containers; To import the pipeline in the container that is filled with radioactive waste from the said mixture that said pump is discharged.
According to the 3rd embodiment, owing to be equipped with by rotation in the mixer and supply with the raw-material raw material supply device of mortar, link to each other with the raw material supply device, mixed water and the raw-material stirring apparatus of mortar that spues from the raw material supply device and discharge pump by the flowable state potpourri of this mixings generation, make mixer miniaturization greatly equally with the 1st invention, reduced the space that is provided with of mixer.And, the present invention is owing to be provided with from starting material filling containers reception mortar starting material, and to the raw-material intermediate receptacle of this mortar of raw material supply unit feeding, therefore, the fluctuation of the raw-material quantity delivered of mortar of coming out from the starting material filling containers is obtained relaxing by intermediate receptacle, identical with the 1st invention, the P funnel value of the potpourri that generates in mixer becomes stable.
The feature of the 4th embodiment of the present invention that achieves the above object is to have altitude gauge that detects above-mentioned mortar starting material height in the above-mentioned intermediate receptacle and control device from above-mentioned starting material filling device to above-mentioned intermediate receptacle that supply with the raw-material amount of above-mentioned mortar according to the output control of this altitude gauge from.According to the 4th embodiment, because according to the raw-material elevation measurement value of the mortar in the above-mentioned intermediate receptacle, controlled from the starting material filling device and supplied with the raw-material amount of mortar to intermediate receptacle, so the variation of the raw-material height of mortar in the intermediate receptacle becomes littler, identical with the 1st embodiment, the variation of the P funnel value of potpourri becomes minimum.
The feature of the 5th embodiment of the present invention that achieves the above object is to have the device of measuring above-mentioned intermediate receptacle weight, with the output according to above-mentioned Weight measurement device, the control device of the raw-material amount of above-mentioned mortar is supplied with in control to above-mentioned intermediate receptacle from above-mentioned starting material filling device.According to the 5th embodiment, because measured value according to the weight in the intermediate receptacle, controlled the raw-material amount of supplying with to intermediate receptacle from the starting material filling device of mortar, so it is identical with the 5th invention, mortar starting material quantitative changeization reduces in the intermediate receptacle, and the variation of the P funnel value of potpourri becomes minimum.
The feature of the 6th embodiment of the present invention that achieves the above object is the P funnel value that has according to the said mixture of discharging from said pump, and the part of control above-mentioned stirring apparatus of assembling in above-mentioned stirring machine is supplied with the control device of the amount of above-mentioned water.According to the 6th embodiment, because, having controlled the part of assembling stirring apparatus in stirring machine from the P funnel value of the potpourri of pump discharge, basis supplies with the amount of above-mentioned water, so can regulate the P funnel value of potpourri by simple control.
The feature of the 7th embodiment of the present invention that achieves the above object is to have: mixer, the curing materials feedway of supplying with curing materials by rotation is housed in it, stirring apparatus that link to each other with above-mentioned curing materials feedway, mixed water and the above-mentioned curing materials that spues from above-mentioned curing materials feedway, and discharge the pump that mixes the flowable state potpourri that generates by this; The part of the above-mentioned stirring apparatus of configuration is supplied with the device of above-mentioned water in above-mentioned stirring machine; Fill the curing materials filling containers of above-mentioned curing materials; Receive the intermediate receptacle of above-mentioned curing materials from above-mentioned curing materials filling containers; From above-mentioned intermediate receptacle this curing materials is supplied to the 1st pipeline the above-mentioned curing materials feedway; The switchgear that in above-mentioned the 1st pipeline, is provided with; To import the 2nd pipeline in the container that is filled with radioactive waste from the said mixture that said pump is discharged; The 2nd switchgear that in above-mentioned the 2nd pipeline, is provided with; Receive the cleaning draw-off receiving vessel that the flowable state of cleaning above-mentioned mixer inside and producing is cleaned draw-off from above-mentioned the 2nd pipeline.
The feature of the 8th embodiment of the present invention that achieves the above object is to have: mixer, be equipped with in it by rotation and supply with the raw-material raw material supply device of mortar, link to each other with above-mentioned raw material supply device, mixed water and the raw-material stirring apparatus of above-mentioned mortar that spues from above-mentioned raw material supply device, and discharge by the pump that mixes the flowable state potpourri that generates; The part of the above-mentioned stirring apparatus of configuration is supplied with the device of above-mentioned water in above-mentioned stirring machine; Fill the raw-material starting material filling containers of above-mentioned mortar; Receive the raw-material intermediate receptacle of above-mentioned mortar from above-mentioned starting material filling containers; From above-mentioned intermediate receptacle with 1st pipeline of this mortar raw material supply to the above-mentioned mortar raw material supply device; The switchgear that in above-mentioned the 1st pipeline, is provided with; To import the 2nd pipeline in the container that is filled with radioactive waste from the said mixture that said pump is discharged; The 2nd switchgear that in above-mentioned the 2nd pipeline, is provided with; Receive the cleaning draw-off receiving vessel that the flowable state of cleaning above-mentioned mixer inside and producing is cleaned draw-off from above-mentioned the 2nd pipeline.
According to the 7th and the 8th embodiment, close the 1st and the 2nd switchgear during owing to cleaning in mixer, so even supply with rinse water in mixer, rinse water also can't arrive the upstream side of the 1st switch.The amount of the curing materials that therefore, abandons in vain reduces.By carrying out cleaning operation, can prevent the obstruction in the mixer.
The feature of the 9th embodiment of the present invention that achieves the above object be have part in the above-mentioned mixer at above-mentioned curing materials feedway place supply with in dry air and the hot blast any one device and is connected the device of above-mentioned dry air of discharge or above-mentioned hot blast with above-mentioned mixer.According to the 9th embodiment and since after cleaning in mixer any one in supply dry air and the hot blast, so can be with curing materials device drying.For this reason, even in the curing materials feedway, supplied with the curing materials that is used to generate potpourri, can prevent that also curing materials is attached on the curing materials feedway and harden.
The feature of the 10th embodiment of the present invention that achieves the above object is to have to supply with the solid content fluid in the above-mentioned draw-off receiving vessel is arranged and remove solid content from this fluid and remove device and will remove the device that liquid that device discharges imports above-mentioned draw-off receiving vessel from above-mentioned solid content.According to the 10th embodiment, owing to had the fluid of supplying with in the draw-off receiving vessel, and the solid content of removing solid content from this fluid removes device, and solid content and curing materials become minimum with the possibility that sclerosis takes place admixture in the draw-off receiving vessel.
The feature of the 11st embodiment of the present invention that achieves the above object is to have the cleaning draw-off circulation line that the cleaning draw-off that will pass through said pump that is connected with above-mentioned the 2nd pipeline turns back to the part of the above-mentioned stirring apparatus of configuration in the above-mentioned stirring apparatus.According to the 11st embodiment, owing to, can reduce the water yield that cleaning needs by cleaning draw-off circulation line wash cycles draw-off.
Fig. 1 is the structural drawing that is applicable to the radioactive waste treatment device of one embodiment of the present of invention.
The present inventor is in order to have carried out various researchs with the mixer miniaturization.In these researchs, found out as the radioactive waste disposal route: adopt to have interconnective the 1st pump, stirring machine and the 2nd pump in the enclosure, also have a mixer that makes the motor of their runnings, produce mortar continuously, in having filled a plurality of cylindrical vessels of radioactive waste, inject the disposal route of the radioactive waste of this mortar successively.The 1st pump will prepare the mixing portion that the required sand of mortar and cement supply to the stirring machine place continuously.The water of aequum is injected mixing portion.The space that employed, the newly-designed mixer of this disposal route is deposited mortar is minimum, can discharge the mortar with the aggregate supply equivalent of sand, cement and the water of unit interval.Therefore, this mixer is by miniaturization widely.This mixer, as mentioned above, with the 1st pump, stirring machine and the 2nd pump formation integrated unit of supply and mixed sand and cement and supply mortar.This mixer receives the supply of sand, cement and water continuously, discharges the mortar that generates continuously.
In order in the cylindrical vessel of having filled, to inject mortar, need the flowability of control mortar as the noncombustibility solid waste of radioactive waste.The known P funnel value that mortar is arranged of the control project of mortar, the idea that this P funnel value is in the given scope is known.All the required time of discharge is called P funnel value to the mortar of the specified rate of filling in the funnel of given shape from funnel.The allowed band of P funnel value is 16～50 seconds.
But, research by the present inventor, discovery is in newly-designed above-mentioned mixer, because the fluctuation of the quantity delivered of pressure variation, sand and the cement of mixed water supply source, the P funnel value of the mortar that is generated also may according to circumstances depart from the scope of permission, and generation can't obtain the such new problem of mortar of P funnel value stabilization.Known that also this new problem can receive curing materials and solves to the intermediate receptacle that the curing materials supply arrangement is supplied with curing materials by being provided with from the curing materials container.The embodiments of the invention that adopted this thinking are described.
Radioactive waste treatment device to a preferred embodiment of the present invention adopts Fig. 1 to carry out following explanation.The radioactive waste treatment device of present embodiment is furnished with curing materials storehouse tube 1, curing materials feeding hopper 19, mixer 7 and rinse water circulation pipe arrangement 29.The helical screw feeder 2 that is driven by motor 3 is installed in the curing materials storehouse tube 1.Curing materials storehouse tube 1 is an internal storage to mix to certainty ratio as the cement of hydraulicity curing materials with as the raw-material container of the mortar that sand was generated of aggregate.Mixer 7 has mixing portion 8 and mortar to supply with part 9.Mixing portion 8 rotatably is provided with in inside supplies with raw-material helical screw feeder 14 of mortar and stirring machine 15.Helical screw feeder 14 is connected motor 17 (perhaps integrated), that be arranged on mixing portion 8 outsides with stirring machine 15 by turning axle and rotates driving.Mortar is supplied with the end that part 9 is arranged on mixing portion 8, and inside has pump 16.The turning axle of pump 16 is connected with the turning axle of stirring machine 15.The dry air supply pipe 10 that has valve 55 is connected the part that helical screw feeder 14 is set of mixing portion 8.Dry air supply pipe 10 is not connected with there being illustrated dry air supply machine (being furnished with air heater and compressor) yet.The dry air vent pipe 11 that has valve 56 is connected the part that stirring machine 15 is set of mixing portion 8.
Curing materials feeding hopper 19 is connected the exit portion of helical screw feeder 2 by pipeline 57.The volume of curing materials feeding hopper 19 has about 20 liters, compares very little with the volume of curing materials storehouse tube 1.Helical screw feeder 4 is arranged on the exit portion of curing materials feeding hopper 19.Altitude gauge 12 is arranged on curing materials feeding hopper 19.Pipeline 58 is connected with the part that is provided with helical screw feeder 14 of helical screw feeder 4 and mixer 7.Flowmeter 5 and switch valve 6 are located on the pipeline 58.Mixed water supplying tubing 25 links to each other with the part that stirring machine 15 is set of mixing portion 8.Flow control valve 22, flowmeter 23 and switch valve 24 are installed on the mixed water supplying tubing 25.
The pipe arrangement 28 of transporting mortar is supplied with part 9 with mortar and is connected.Pipe arrangement 28 is connected with mortar filling device 30.P funnel tester 20 is arranged on the pipe arrangement 28.Altitude gauge 35 is arranged on the mortar filling device 30.Two 3- way valves 26 and 27 are located on the pipe arrangement 28.Rinse water circulation pipe arrangement 29 links to each other with the part that stirring machine 15 is set of 3-way valve 26 and mixing portion 8.Mortar sampling pipe arrangement 59 is connected with pipe arrangement 28.Valve 60 is located on the mortar sampling pipe arrangement 59.The pipe arrangement 37 that is connected with 3-way valve 27 is connected with cleaning water tank 36.Stirring machine 38 is located at and cleans in the water tank 36.
The pipe arrangement 40 of supplying with rinse water is connected with the pipe arrangement 28 that cleans between water tank 36,3-way valve 26 and the 3-way valve 27.Flushing water pump 39 is located on the pipe arrangement 40.The pipe arrangement 41 that links to each other with pipe arrangement 40 is connected with helical screw feeder 14 1 sides in the part that stirring machine 15 is set of mixing portion 8.Switch valve 42 is located on the pipe arrangement 41.The pipe arrangement 43 that is connected with pipe arrangement 40 is supplied with part 9 one sides in the part that stirring machine 15 is set of mixing portion 8 with mortar and is connected.Switch valve 44 is located on the pipe arrangement 43.The pipe arrangement 45 that is connected with pipe arrangement 40 is connected with rinse water circulation pipe arrangement 29.Switch valve 46 is located on the pipe arrangement 45.Sand separator 47 is connected with pipe arrangement 40 by pipe arrangement 48, is connected with cleaning water tank 36 by pipe arrangement 40.Switch valve 61 is located on the pipe arrangement 48.The pipe arrangement 50 that has switch valve 62 is connected the bottom of sand separator 47, also is connected with sand receiver (cylindrical vessel) 51.The pipe arrangement 52 of discharging the top primary water in the sand receiver 51 is connected with cleaning water tank 36.What be connected with mixed water supplying tubing 25 has switch valve 61 and 64 pipe arrangement 54 and cleans water tank 36 and be connected.The pipe arrangement 62 that is connected with pipe arrangement 54 between switch valve 61 and switch valve 64 is connected with flushing water pump 39.Switch valve 63 is set on pipe arrangement 62.Switch valve 65 is located on the pipe arrangement 40 in the upstream end that cleans water tank 39.
In the present embodiment, mortar filling device 30 is arranged in the control area.In the control area, except mortar filling device 30, be provided with cylindrical vessel conveying device 32, lifter 33 and monitor and use TV camera 34.Control area and territory, noncontrolled area separate fully with partition wall (not shown).Pipe arrangement 28 connects above-mentioned partition wall between 3-way valve 27 and mortar filling device 30.Between this partition wall and 3-way valve 27, isolation valve (not shown) is set on pipe arrangement 28.In structure shown in Figure 1, the formation that goes up the equipment that is provided with in stating the control area is arranged on the territory, noncontrolled area.
The injection in cylindrical vessel 31 to mortar in the present embodiment describes.Filled the below that is transplanted on mortar filling device 30 as the cylindrical vessel 31 of the noncombustibility solid waste of radioactive waste by cylindrical vessel conveying device 32.The cylindrical vessel 31 that is positioned at mortar filling device 30 belows is promoted by lifter 33, is installed on the mortar filling device 30.That is, mortar filling device 30 is installed to the upper part of cylindrical vessel 31.The installment state of mortar filling device 30 is taken with monitoring with TV camera 34, monitors with monitor (not shown).Filling noncombustibility solid waste other place in the control area in cylindrical vessel 31 carries out.
When injecting mortar, valve-off 55,56, switch valve 42,43,46 also cuts out.3- way valve 26 and 27 is in open mode makes mortar supply with part 9 and 30 connections of mortar filling device.Switch valve 6 and switch valve 24 are leaving.Mortar starting material (potpourri of cement and sand) in the curing materials storehouse tube 1 are discharged in the pipeline 57, import in the curing materials feeding hopper 19 by the rotation of helical screw feeder 2.By the rotation of helical screw feeder 4, the mortar starting material in the curing materials feeding hopper 19 are discharged in the pipeline 58.
Driven by motor 17, helical screw feeder 14, stirrer 15 and pump 16 rotate.Mortar starting material in the pipeline 58 supply to Mixed Zone in the mixing portion 8 by helical screw feeder 14.Mixed water supplies to Mixed Zone in the mixing portion 8 by mixed water supplying tubing 25.In this Mixed Zone, by the rotation of stirring machine 15, cement, sand and water mix, and generate mortar.By supplying with the mortar starting material continuously, generate mortar continuously in the Mixed Zone with helical screw feeder 14.This mortar is sent to mortar and supplies with part 9, is supplied to continuously in the pipe arrangement 28 by pump 16.Quantity delivered to the Mixed Zone equates the quantity delivered of this mortar with mortar starting material and water in the unit interval.Mortar flows pipe arrangement 28 in by driving pump 16, and injection has been filled in the cylindrical vessel 31 as the noncombustibility solid waste of radioactive waste.Altitude gauge 35 is measured the height that is injected into the mortar in the cylindrical vessel 31.When the height of measuring with altitude gauge 35 reaches setting height, stop in this cylindrical vessel 31, injecting mortar.The cylindrical vessel 31 that finishes the injection mortar comes out from mortar filling device 30 by the decline of lifter 33, is transplanted on the right side of Fig. 1 by cylindrical vessel conveying device 32.Open switch valve 60 frequently, the mortar that flows in the pipe arrangement 28 is taken a sample by mortar sampling pipe arrangement 59.By analyzing this mortar, can know the state of the mortar that injects cylindrical vessel 31.
Because mortar is discharged continuously from pump 16,, can design not shown following structure in order to stop to inject mortar to cylindrical vessel 31.That is, establish 1 mortar filling device (being called another mortar filling device) again.Between above-mentioned partition wall and mortar filling device 30,3-way valve a is set on pipe arrangement 28.On an opening of this 3-way valve, connect by the pipe arrangement that is connected with another mortar filling device.Injecting to cylindrical vessel 31 before mortar finish, same with cylindrical vessel 31, another cylindrical vessel of having filled as the noncombustibility solid waste of radioactive waste is installed on another mortar filling device.When the height of the mortar in cylindrical vessel 31 arrives setting height, rotate 3-way valve a, make mortar import another cylindrical vessel.Stop in cylindrical vessel 31, to inject mortar, inject mortar to another cylindrical vessel.Therefore, do not need to interrupt to generate mortar continuously with mixer 7 preparation mortar.If another mortar filling device is not set, when decline cylindrical vessel 31, mortar supplies in this cylindrical vessel 31, and mortar can overflow from cylindrical vessel 31.And then in that cylindrical vessel 31 is moved below mortar filling device 30 to the right, when new cylindrical vessel 31 was moved to the below of mortar filling device 30, the mortar of discharging from pipe arrangement 28 dropped on the lifter 33.These problems can solve by another mortar filling device is set.
According to present embodiment, the space that mixer 7 is deposited mortar becomes minimum, by miniaturization greatly.The space that is provided with of mixer 7 reduces.Because the major part of present embodiment device is configured in the territory, noncontrolled area, so do not have operating personnel by the danger of radiation, maintenance overhaul is very easy.According to present embodiment, making the continuous generation of mortar and injecting continuously in a plurality of cylindrical vessels 31 becomes possibility, can stablize the character of the mortar of generation again.
Because the rising of mortar starting material height in curing materials storehouse tube 1 that takes place capacious curing materials storehouse tube 1 in that input mortar starting material cause, discharge the mortar starting material height in curing materials storehouse tube 1 that causes to the raw-material pipeline 57 of mortar and reduce, cause in curing materials storehouse tube 1 and in pipeline 57, pass through the fluctuation that helical screw feeder 2 is supplied with the raw-material amount of mortar.Inventors are by discovering when curing materials storehouse tube 1 is directly supplied with the mortar starting material to mixer 7, because the fluctuation of the raw-material quantity delivered of mortar, the P funnel value instability of the mortar that is generated is sometimes outside the scope (16～50 seconds) of its permission.In order to address this problem, in the present embodiment, the curing materials feeding hopper 19 as middle hopper littler than curing materials storehouse tube 1 volume is set in the downstream of curing materials storehouse tube 1, the mortar starting material of supplying with from curing materials storehouse tube 1 are temporarily received by curing materials feeding hopper 19, supply with the mortar starting material to mixer 7 from curing materials feeding hopper 19.The fluctuation of supplying with the raw-material amount of mortar from curing materials storehouse tube 1 obtains relaxing by curing materials feeding hopper 19, and the fluctuation of supplying with the raw-material amount of mortar to mixer 7 from curing materials feeding hopper 19 reduces.Therefore, the P funnel value of the mortar that generates in mixer 7 in allowed limits.
Particularly in the present embodiment, the raw-material height of the mortar in the curing materials feeding hopper 19 is measured with altitude gauge 12, and the height of mensuration passes to controller 13.The velocity of rotation of controller 13 control motor 3, the deviation that makes the height of elevation measurement value and setting is zero.Controller 13 than setting height hour, increases the velocity of rotation that makes the motor 3 that helical screw feeder 2 rotates in the elevation measurement value, increases from curing materials storehouse tube 1 and supplies with the raw-material amount of mortar to curing materials feeding hopper 19.On the contrary, controller 13 reduces to make the velocity of rotation of the motor 3 that helical screw feeder 2 rotates when the elevation measurement value is bigger than setting height, reduce the raw-material amount of supplying with to curing materials feeding hopper 19 from curing materials storehouse tube 1 of mortar.Therefore, the raw-material variation in altitude of mortar is littler in the curing materials feeding hopper 19, and fluctuation from the raw-material amount of mortar to mixer 7 that supply with is minimum.The change of the P funnel value of the mortar that generates in mixer 7 also was reduced to 30 to 35 seconds.
P funnel value tester 20 has the funnel of above-mentioned given shape, is connected and has pipeline valve, carry the mortar in the pipe arrangement 28 in this funnel, the force cell and the timer of instrumentation funnel weight with pipe arrangement 28.During the P funnel value of the mortar that in being determined at pipe arrangement 28, flows (mortar that in mixer 7, generates), open this valve, in funnel, only supply with the mortar in the pipe arrangement 28 of specified rate.Mortar is discharged from the bottom of funnel.The weight of force cell instrumentation funnel.The needed time when weight when the instrumentation value of timer instrumentation force cell is filled the mortar of specified rate in being presented at funnel shows the weight of funnels to whole discharge mortar.This time is P funnel value.The P funnel value of instrumentation is imported into controller 21.Than given P funnel value hour, controller 21 reduces the opening degree of flow control valve 22, reduces the water yield of supplying with to mixing portion 8 in the measured value of P funnel value.On the contrary, when the measured value of P funnel value was bigger than given P funnel value, the opening degree of controller 21 augmented flow variable valve 22 increased the water yield of supplying with to mixing portion 8.
Present embodiment as previously mentioned, owing to be provided with curing materials feeding hopper 19, the raw-material height of mortar in the control curing materials feeding hopper 19, change from the raw-material amount of mortar to mixer 7 that supply with is minimum, by according to the so simple control of the measured value Control Flow variable valve 22 of P funnel value, the P funnel value that can regulate mortar.In the present embodiment, the opening degree that controller 21 can Control Flow variable valve 22 also can replace flow control valve 22 usefulness controllers 21 to control making the velocity of rotation of the motor that helical screw feeder 4 rotates.This situation identical effect in the time of also can producing opening degree with Control Flow variable valve 22.
When all that took place have been filled the cylindrical vessel 31 injection mortar end of noncombustibility solid waste, stop the driving of motor 17, off switch valve 6 and above-mentioned isolation valve in one day.Rotate above-mentioned 3-way valve 26 again, connect mortar and supply with part 9 and rinse water circulation pipe arrangement 29. Open switch valve 42,44,46,61 and 63.And valve 55 and 56, switch valve 64 and 65 are in closed condition always.In this state, carry out interior cleaning such as mixer 7 grades.
This cleaning operation is described.In cleaning water tank 36, supply with rinse water by pipe arrangement 54 and fill.Drive flushing water pump 39.Flow in the flushing water pump 39 by pipe arrangement 54 and 62 rinse water, rinse water is sent in the pipe arrangement 40 by flushing water pump 39.Rinse water supplies to mixing portion 8 by pipe arrangement 41 and 43, is supplied in the rinse water circulation pipe arrangement 29 by pipe arrangement 45.Fill with rinse water in pipeline 58 between 3-way valve 26 and switch valve 6, mixer 7 and the rinse water circulation pipe arrangement 29.Afterwards, stop flushing water pump 39, off switch valve 42,44 and 46.The remaining mortar starting material of the part in the mortar starting material that the part that helical screw feeder 14 is set in the mixing portion 8 is remaining and switch valve 6 downstreams of pipeline 58 also improve flowability because form full water state.Driving motor 17 rotates helical screw feeder 14, stirring machine 15 and pump 16.Supply with circulation the part 9 from the fluid liquid (containing cement, sand and rinse water) that pump 16 is discharged at rinse water circulation pipe arrangement 29, mixing portion 8 and mortar.Rotation by helical screw feeder 14 and stirring machine 15, remove the mortar that adheres on the inside surface of the surface of stirring machine 15 and mixing portion 8, also removed the remaining mortar starting material of switch valve 6 downstream parts of mortar starting material remaining in the part that helical screw feeder 14 is set and pipeline 58.Through after the given time, rotate 3-way valve 27, connect 3-way valve 26 and clean water tank 36.Then rotate 3-way valve 26, connect mortar and supply with part 9 and 3-way valve 27.The fluid liquid of discharging from pump 16 enters cleaning water tank 36 through pipe arrangement 37.
Under the situation that needs further clean, rotate 3-way valve 26, connect mortar once more and supply with part 9 and rinse water circulation pipe arrangement 29, open switch valve 42,44 and 46, drive flushing water pump 39.And once more will be from 3-way valve 26 to switch valve fills with water between 6.Stop flushing water pump 39, off switch valve 42,44 and 46.As described above, driving motor 17 makes rinse water by 29 circulations of rinse water circulation pipe arrangement.Rotate 3-way valve 26, the rinse water in the mixer 7 is entered by pipe arrangement 37 clean water tank 36.Rinse water in the rinse water circulation pipe arrangement 29 connects rinse water circulation pipe arrangement 29 and 3-way valve 27 by rotating 3-way valve 26, enters and cleans water tank 36.Harden for cement contained in the fluid liquid that does not make reception is deposited to the bottom of cleaning water tank 36, rotate stirring machine 38 in the given time.
Clean after the inside of mixer 7, open isolation valve, empty cylindrical vessel 31 is installed on mortar filling device 30.Rotate 3- way valve 26 and 27, connect mortar and supply with part 9 and mortar filling device 30.Open switch valve 42, drive flushing water pump 39.In mixer 7, supply with the rinse water of specified rate, rotating motor 17 from pipe arrangement 41.The rinse water of discharging from pump 16 enters cylindrical vessel 31 by pipe arrangement 28.By this operation, the part of cleaning 3-way valve 27 downstreams of pipe arrangement 28.After cleaning end, close isolation valve.
After cleaning end, off switch valve 63 is opened switch valve 64.By pipe arrangement 54, in cleaning water tank 36, supply with water.After the water of supplying with aequum, off switch valve 64.The fluid liquid that receives in the water tank 36 is cleaned in dilution thus, and the concentration of cement reduces.In order not make cement contained in the fluid liquid that receives cement in the bottom sedimentation of cleaning water tank 36, harden, stirring machine 38 is rotated the given time.
Clean after the end, open valve 55 and 56.Supplying with the hot blast (perhaps dry air) that generates in the machine 23 at dry air supplies to the mixing portion 8 from dry air supply pipe 10.This hot blast is by flowing into dry air vent pipe 11 in the mixing portion 8.By supplying with the hot blast air, drying is cleaned the downstream part of switch valve 6 of inside surface, helical screw feeder 14, stirring machine 15 and the pipeline 58 of wetting mixing portion 8.Along with the end of drying, cleaning operation finishes fully.
Present embodiment is owing to make from 3-way valve 26 to switch valve fills with water between 6, rotate helical screw feeder 14, stirring machine 15, so can clean effectively, and can remove mortar raw material remaining on the part that helical screw feeder 14 is set and at the remaining mortar starting material of part in switch valve 3 downstreams of pipeline 58 attached to the mortar on stirring machine 15 grades.Present embodiment so can reduce the consumption of rinse water, also can shorten scavenging period owing to make circulation such as rinse water by rinse water circulating device 29.Because switch valve 6 is set, when cleaning, close this valve, so can prevent in the cement suction of the switch valve 6 upstream sides part of pipeline 58 and harden the raw-material amount of mortar that minimizing wastes because of cleaning.For the raw-material amount of mortar of the unnecessary waste that reduces to cause by cleaning, dry efficiently pipeline 58 inside, switch valve 6 is preferably disposed on apart from the near position of mixing portion 8.
Present embodiment carries out drying owing to supply with dry air to mixing portion 8 after cleaning, even so preparation in second day during mortar from curing materials storehouse tube 1 with the mortar raw material supply to mixing portion 8, can not take place yet cement on the downstream part of the switch valve 6 of pipeline 58 and helical screw feeder 14 by adhering to of causing of moisture with harden.
Present embodiment is opened switch valve 61 and 65 under the state of off switch valve 62 and 63.In this state, drive flushing water pump 39.The water that cleaning water tank 36 contains cement and sand supplies in the sand separator 47 by pipe arrangement 48.Sand separator 47 is cyclone-type separation vessels.Sand separator 47 parting sand from water.The water that contains cement that separated sand turns back to through pipe arrangement 49 from sand separator 47 and cleans the water tank 36.Regularly open switch valve 62, from sand separator 47, isolated sand is entered sand receiver 51.Sand receiver 51 1 is filled sand etc., and just the sand receiver with sky exchanges.Because the sand amount of cleaning in the water tank 36 reduces, so do not need to be provided with in addition top clarification case, simplified equipment, also can reduce to clean the capacity of water tank 36.Under the situation that sand separator 47 is not set, outside cleaning water tank, need to be provided with the top clarification water tank of the top primary water that receives in the cleaning water tank, make equipment enlarging.Also need to deposit sand owing to clean water tank, it is big that volume becomes.Top primary water in the top clarification water tank can be used as rinse water and uses.
In the above-described embodiments, the generation of mortar is described, the formation of Fig. 1 also is applicable to the preparation of grout.That is, can in mixer 7, prepare grout.In this case, cement is filled in the curing materials storehouse tube 1.This cement is supplied to by helical screw feeder 14 in the Mixed Zone of mixing portion 8, adopt stirring machine 15 that cement and water are mixed, make grout, supply with part 9 by mortar and discharge.The grout of discharging is injected in the cylindrical vessel 31 that is filled with the noncombustibility solid waste by pipe arrangement 28.Under the situation of preparation grout, the cement height in the altitude gauge 12 instrumentation curing materials feeding hoppers 19, P funnel tester 20 instrumentations are from the P funnel value of the grout of pump 16 discharges.Identical functions when in this case, controller 13 and 21 is also brought into play with the preparation mortar.Under the situation of injecting grout, the cleaning of the inside of mixer 7 grades is the same with the situation of above-mentioned preparation mortar to be carried out.
As P funnel tester 20, except that above-mentioned, also can use the device of the viscosity instrumentation of the torque instrumentation that carries out stirring machine or mortar.At first, describe the torque instrumentation of stirring machine in detail.The torque instrumentation is that stirring machine is set in funnel, and with the mortar in the stirring machine mixer cone, instrumentation rotates the torque of stirring machine simultaneously.In this case, need the relation of instrumentation torque in advance and P funnel value, store this relation into controller 21.The measured value input controller 21 of torque is obtained P funnel value from above-mentioned relation, based on this P funnel value Control Flow variable valve 22.Below, the viscosity instrumentation of mortar is described.In this case, adopt viscosity meter as P funnel tester 20.The viscosity of viscometer determining mortar is with this measured value input controller 21.Under the situation that is viscosity meter, also need the relation of ash slurry viscosity of instrumentation in advance and P funnel value, this relation is stored in controller 21.
Replace being arranged on the altitude gauge 12 in the curing materials feeding hopper 19, also can in curing materials feeding hopper 19, force cell be set, identical with the situation of altitude gauge 12, can adopt the raw-material height of mortar in the controller 13 control curing materials feeding hoppers 19.That is, the raw-material height of this mortar is certain, and the weight of the curing materials feeding hopper 19 of usefulness force cell instrumentation is also certain.In the weight input controller 13 with the curing materials feeding hopper 19 of funnel tester instrumentation.Controller 13 is according to the velocity of rotation of its Weight control motor 3.
Claims (13)
1. radioactive waste treatment device, it is characterized in that having: mixer, the curing materials feedway of supplying with curing materials by rotation is housed in it, stirring apparatus that be connected with above-mentioned curing materials feedway, mixed water and the above-mentioned curing materials that from above-mentioned curing materials feedway, spues, and discharge the pump that mixes the flowable state potpourri that generates by this; The part of the above-mentioned stirring apparatus of configuration provides the device of above-mentioned water in above-mentioned stirring machine; Fill the curing materials filling containers of above-mentioned curing materials; Receive the intermediate receptacle that above-mentioned curing materials also supplies to this curing materials above-mentioned curing materials feedway from above-mentioned curing materials filling containers; To import the pipeline in the container that is filled with radioactive waste from the said mixture that said pump is discharged.
2. the described radioactive waste treatment device of claim 1, it is characterized in that, have altitude gauge that detects the curing materials height in the above-mentioned intermediate receptacle and control device from above-mentioned curing materials filling device to above-mentioned intermediate receptacle that supply with the amount of above-mentioned curing materials according to the output control of this altitude gauge from.
3. the described radioactive waste treatment device of claim 1, it is characterized in that, have the device of the weight of measuring above-mentioned intermediate receptacle and control control device from above-mentioned curing materials filling device to above-mentioned intermediate receptacle that supply with the amount of above-mentioned curing materials from according to the output of this Weight measurement device.
4. radioactive waste treatment device, it is characterized in that having: mixer, be equipped with in it by rotation and supply with the raw-material raw material supply device of mortar, link to each other with above-mentioned raw material supply device, mixed water and the raw-material stirring apparatus of above-mentioned mortar that spues from the above-mentioned raw materials feedway, and discharge the pump that mixes the flowable state potpourri that generates by this; The part of the above-mentioned stirring apparatus of configuration is supplied with the device of above-mentioned water in above-mentioned stirring machine; Fill the raw-material starting material filling containers of above-mentioned mortar; Receive above-mentioned mortar starting material and these mortar starting material are provided to intermediate receptacle the above-mentioned raw material supply device from above-mentioned starting material filling containers; To import the pipeline in the container that is filled with radioactive waste from the said mixture that said pump is discharged.
5. the described radioactive waste treatment device of claim 4, it is characterized in that, have altitude gauge that detects curing materials height in the above-mentioned intermediate receptacle and control device from above-mentioned starting material filling device to above-mentioned intermediate receptacle that supply with the raw-material amount of above-mentioned mortar according to the output control of this altitude gauge from.
6. the described radioactive waste treatment device of claim 4, it is characterized in that, have the device of the weight of measuring above-mentioned intermediate receptacle and control control device from above-mentioned starting material filling device to above-mentioned intermediate receptacle that supply with the raw-material amount of above-mentioned mortar from according to the output of this Weight measurement device.
7. any described radioactive waste treatment device of claim 1 to 6, it is characterized in that, have the P funnel value according to the said mixture of discharging from said pump, the part of control above-mentioned stirring apparatus of configuration in above-mentioned stirring machine is supplied with the device of the amount of above-mentioned water.
8. radioactive waste treatment device, it is characterized in that having: mixer, the curing materials feedway of supplying with curing materials by rotation is housed in it, stirring apparatus that link to each other with above-mentioned curing materials feedway, mixed water and the above-mentioned curing materials that spues from above-mentioned curing materials feedway, and discharge the pump that mixes the flowable state potpourri that generates by this; The part of the above-mentioned stirring apparatus of configuration is supplied with the device of above-mentioned water in above-mentioned stirring machine; Fill the curing materials filling containers of above-mentioned curing materials; Receive the intermediate receptacle of above-mentioned curing materials from above-mentioned curing materials filling containers; From above-mentioned intermediate receptacle this curing materials is supplied to the 1st pipeline the above-mentioned curing materials feedway; The switchgear that in above-mentioned the 1st pipeline, is provided with; To import the 2nd pipeline in the container that is filled with radioactive waste from the said mixture that said pump is discharged; The 2nd switchgear that in above-mentioned the 2nd pipeline, is provided with; Receive the cleaning draw-off receiving vessel that the flowable state of cleaning above-mentioned mixer inside and producing is cleaned draw-off from above-mentioned the 2nd pipeline.
9. radioactive waste treatment device, it is characterized in that having: mixer, be equipped with in it by rotation and supply with the raw-material raw material supply device of mortar, link to each other with above-mentioned raw material supply device, mixed water and the raw-material stirring apparatus of above-mentioned mortar that spues from above-mentioned raw material supply device, and discharge the pump that mixes the flowable state potpourri that generates by this; The part of the above-mentioned stirring apparatus of configuration is supplied with the device of above-mentioned water in above-mentioned stirring machine; Fill the raw-material starting material filling containers of above-mentioned mortar; Receive the raw-material intermediate receptacle of above-mentioned mortar from above-mentioned starting material filling containers; From above-mentioned intermediate receptacle with 1st pipeline of this mortar raw material supply to the above-mentioned raw material supply device; The switchgear that in above-mentioned the 1st pipeline, is provided with; To import the 2nd pipeline in the container that is filled with radioactive waste from the said mixture that said pump is discharged; The 2nd switchgear that in above-mentioned the 2nd pipeline, is provided with; Receive the cleaning draw-off receiving vessel of the cleaning draw-off of the flowable state of cleaning above-mentioned mixer inside and producing from above-mentioned the 2nd pipeline.
10. claim 4 or 9 described radioactive waste treatment devices is characterized in that above-mentioned mortar starting material comprise hydraulicity curing materials and aggregate.
11. claim 8 or 9 described radioactive waste treatment devices is characterized in that having any one the device and the above-mentioned dry air of discharge that is connected with above-mentioned mixer or the device of above-mentioned hot blast that part in the above-mentioned mixer at above-mentioned curing materials feedway place is supplied with dry air and hot blast.
12. the described radioactive waste treatment device of claim 9, it is characterized in that having and supply with the fluid that has in the above-mentioned draw-off receiving vessel, from this fluid, remove the solid content of solid content and remove device and will remove the device that the liquid of discharging the device imports above-mentioned draw-off receiving vessel from above-mentioned solid content.
13. claim 8,9,11 or 12 described radioactive waste treatment devices is characterized in that having the cleaning draw-off circulation line that turns back to the part of the above-mentioned stirring apparatus of configuration in the above-mentioned stirring machine with above-mentioned the 2nd pipeline cleaning draw-off that be connected, that will pass through said pump.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP244703/1998 | 1998-08-31 | ||
| JP10244703A JP2000075096A (en) | 1998-08-31 | 1998-08-31 | Radioactive waste processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1246711A true CN1246711A (en) | 2000-03-08 |
Family
ID=17122680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99118166 Pending CN1246711A (en) | 1998-08-31 | 1999-08-30 | Radioactive waste treatment device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2000075096A (en) |
| CN (1) | CN1246711A (en) |
| TW (1) | TW448451B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077300B (en) * | 2008-06-25 | 2014-04-23 | 原子能与可替代能源委员会 | Method of treating a structure containing sodium and a radioactive substance |
| CN109999714A (en) * | 2017-12-07 | 2019-07-12 | 东洋自动机株式会社 | Mixture filling device and mixture fill method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4801638B2 (en) * | 2007-07-26 | 2011-10-26 | 株式会社神戸製鋼所 | Mortar manufacturing system for solidification of radioactive waste and method for manufacturing mortar for solidification thereof |
| TWI459404B (en) * | 2012-05-31 | 2014-11-01 | Inst Nuclear Energy Res | Method and Device for Subassembly of High Radiation Intensity Waste |
| CN110345753A (en) * | 2019-07-18 | 2019-10-18 | 中国原子能科学研究院 | Rotary calcining furnace |
-
1998
- 1998-08-31 JP JP10244703A patent/JP2000075096A/en active Pending
-
1999
- 1999-07-30 TW TW88113036A patent/TW448451B/en not_active IP Right Cessation
- 1999-08-30 CN CN 99118166 patent/CN1246711A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077300B (en) * | 2008-06-25 | 2014-04-23 | 原子能与可替代能源委员会 | Method of treating a structure containing sodium and a radioactive substance |
| CN109999714A (en) * | 2017-12-07 | 2019-07-12 | 东洋自动机株式会社 | Mixture filling device and mixture fill method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000075096A (en) | 2000-03-14 |
| TW448451B (en) | 2001-08-01 |
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