CN106558352B - A kind of tapered drying device of nuclear power station spent resin - Google Patents
A kind of tapered drying device of nuclear power station spent resin Download PDFInfo
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- CN106558352B CN106558352B CN201611049945.8A CN201611049945A CN106558352B CN 106558352 B CN106558352 B CN 106558352B CN 201611049945 A CN201611049945 A CN 201611049945A CN 106558352 B CN106558352 B CN 106558352B
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- tapered
- filter
- upper cover
- resin
- spent resin
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/10—Floors, roofs, or bottoms; False bottoms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/04—Garbage
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of tapered drying devices of nuclear power station spent resin; including being used for the vacuum drying tapered drier body equipment of spent resin; for the heating of tapered drier and cooling hot oil unit; for maintaining vacuum degree and the pumping condenser system for condensing steam in drier body; the nitrogen purge system cleaned for system protection and cleanable filter; for the cleaning water scavenging system of spent resin water removal and system pipeline cleaning, for simulating the resin barrelling system of nuclear island SRTF station.The tapered drying device of nuclear power station spent resin provided by the invention, it is safe and reliable, be easily manipulated, structure configuration rationally, drying efficiency is high, the volume reduction ratio of resin is big.
Description
Technical field
The present invention relates to a kind of tapered drying device, especially a kind of tapered drying device of nuclear power station spent resin.
Background technique
In the case where Spent Radioactive handles disposition situation more outstanding admittedly, traditional spent resin cement solidification process skill
Art, final waste body increase-volume is larger, does not meet nuclear power waste minimization principle；The spent resin that some domestic operation nuclear power stations generate
Also in temporary state；This all brings pressure to the temporary and nuclear power station operation of factory site waste vault.Currently, Germany, France and beauty
Guo Deng state has developed radioactive waste drying device, and is applied in some nuclear power stations.China creates AP1000 tri-
The dry hot pressing of spent resin has been introduced for nuclear power station, spent resin dehydration is packed into the new technologies such as high integrity container (HIC), it is contemplated that annual
Single unit generation needs the volume of disposal of wastes will be less than 50 cubic metres.But these treatment process and equipment are all supplied by foreign countries
Quotient provides, and introduction expense is high, and subsequent technology supports service to be also subject to certain restrictions.Therefore, domestic urgent need is developed a kind of novel
Spent resin dry technology, to solve current predicament.In addition it is found according to retrieval, the China of Patent No. 201210180190.0 is specially
Benefit discloses a kind of spent resin drying device and drying means, but the device is dry technology in spent resin bucket, and the device is primary
Treating capacity is few, low efficiency.
Summary of the invention
In view of the deficiencies in the prior art, it the object of the present invention is to provide a kind of batch processing, rate of drying are fast, does
The tapered drying device of nuclear power station spent resin that dry product moisture content is uniform, volume reduction ratio is high, safe and reliable.
The purpose of the invention will be achieved through the following technical solutions:
A kind of tapered drying device of nuclear power station spent resin of the present invention, including it is used for the vacuum drying tapered drier of spent resin
Main equipment, for the heating of tapered drier and cooling hot oil unit, for maintaining vacuum degree in drier body and will steam
The pumping condenser system of vapour condensation is used for spent resin for the nitrogen purge system that system protection and cleanable filter clean
The cleaning water scavenging system of water removal and system pipeline cleaning, for simulating the resin barrelling system of nuclear island SRTF station；
Vacuum pump, first-stage condenser, secondary condenser, pneumatic control valve and cold are connected in the pumping condenser system
Lime set case；
The nitrogen purge system shares the connection of three tunnels, the first via: the nitrogen purge system passes through pipe valve and institute
State pumping condenser system connection；Second tunnel: the nitrogen purge system passes through pipe valve and the cleanable filter connection,
For blowback cleanable filter；Third road: the nitrogen purge system passes through L shape nitrogen snorkel and resin barrelling system
Unite connection, the L shape nitrogen tube is wound in heating in hot-oil jacket, extends out from cone heat conductive oil inlet, other end with
Discharging ball valve is connected；The resin barrelling system after drying with the tapered drier body equipment interconnection；
Screw pump, pneumatic diaphragm pump, liquid collecting mechanism are connected on the cleaning water scavenging system；
Hoistable platform and 160L stainless steel barrel are housed in the resin barrelling system；
The tapered drier body equipment is in cone heat conductive oil inlet, upper cover heat conductive oil inlet, filter conduction oil into
Mouth and cone conduction oil outlet, filter conduction oil outlet, upper cover conduction oil outlet and the hot oil unit connection；It is described tapered
Drier body equipment and the pumping condenser system are in the steam outlet connection；The tapered drier body equipment with
Nitrogen purge system connection at nitrogen inlet；The tapered drier body equipment and the cleaning water scavenging system desalination
Connection at water inlet.
Further, the tapered drier body equipment includes the tapered container for holding spent resin, tapered container upper cover,
The tapered container upper cover is equipped with decelerating motor, the tapered container inside equipped with double helix stirring blade, the tapered appearance
Device upper cover is also equipped with cleanable filter, installation discharging ball valve below the tapered container, charging connection and described tapered
The instrument cluster connected on drier.
Further, the gap of the double helix stirring blade and the tapered container inner wall is in 5mm.
Further, the decelerating motor revolving speed turns to adjustable.
Further, the tapered container is double layer jacket structure, intermediate admittance hot oil, side be equipped with cone conduction oil into
Mouth, cone conduction oil outlet, nitrogen inlet and sample tap, there are three the discharge outlet with filter and a urgent discharges for cone bottom
Mouthful.
Further, the tapered container upper cover is double layer jacket structure, and telophragma has thermal conductive oil pipeline, and side is equipped with upper
Lid heat conductive oil inlet, is equipped with upper cover conduction oil outlet above, be additionally provided on the tapered container upper cover feed inlet, demineralized water into
Mouth, the viewport equipped with intense light source and the viewport equipped with video camera, the tapered container upper cover lower section are equipped with rotary nozzle.
Further, the cleanable filter is double layer jacket structure, centre can admittance hot oil, top is equipped with filter
Conduction oil outlet, lower part are equipped with filter heat conductive oil inlet, and inside is equipped with 4 filter cores, and top is equipped with filter desalination water inlet
And steam (vapor) outlet.
Further, the instrument cluster includes the pressure transmitter being set on the tapered container upper cover, level biography
Sensor and safety valve are placed in the cone temperature transmitter of the tapered container side, are placed in the cleanable filter side
Filter temperature sensor and filter pressure sensor, the first tuning fork material-position measuring meter being placed on charging connection and the second tuning fork object
Position meter.
A kind of working method of the tapered drying device of nuclear power station spent resin of the present invention, after installation and debugging, the first step is first
The pumping condenser system first is started into Passivation Treatment to system, rule will be evacuated down in the tapered drier body equipment
Then constant-pressure starts the nitrogen purge system, suitable nitrogen will be filled in the tapered drier body equipment to rule
Constant-pressure, then it will be evacuated down to authorized pressure in the tapered drier body equipment, after being repeated several times, oxygen in inspection system
Whether content reaches specified value, after reaching specified value, nitrogen will be refilled in the tapered drier body equipment and is born to micro-
Pressure, system Passivation Treatment process terminate；
The mixture of the resin of specified amount and water is packed into institute from material inlet by screw pump by second step, feeding water removal
It states in tapered container, starts the cleaning water scavenging system, extra moisture is through the pneumatic diaphragm pumping in the tapered container
Suction is discharged into the resin blending tank by three discharge outlet of the tapered container bottom, until pneumatic diaphragm pumping is less than water
When, the cleaning water scavenging system is closed, feeding water removal terminates；
Third step, vacuum drying, starts the pumping condenser system, starts the hot oil unit, starts the deceleration electricity
Machine starts to be dried in vacuo process, in process of vacuum drying, the work of steam in the tapered drier body in the vacuum pump
It is filtered, is condensed by the first-stage condenser, the secondary condenser, condensate liquid is collected by the cleanable filter with lower
In the condensation liquid case, other on-condensible gases discharge after treatment；The condensate liquid that the condensation liquid case is collected is after testing
After focus on, when the tapered temperature sensor reaches setting value, vacuum drying process terminate；
4th step, discharging barrelling dock the resin barrelling system with the charging connection, starting nitrogen purging system
System gives tapered drying receptacle vacuum breaker, opens discharging ball valve, starts discharging, when tuning fork material-position measuring meter alarm, charging knot
Beam closes discharging ball valve, starts nitrogen purge system, and the resin barrelling system is separated with the charging connection；
The liquid collecting mechanism is docked with the charging connection, starts the pneumatic diaphragm pump by the 5th step, cleaning systems,
The cleanable filter, the tapered container, the discharging ball valve, charging connection pipeline, valve are successively cleaned from top to bottom
Deng；Cleaning process terminates.
Protrusion effect of the invention are as follows:
Structure of the invention is reasonable, can safely and effectively complete the vacuum drying overall process of spent resin, pass through the hot oil machine
Group is heated to the tapered drying device main equipment, conduction oil respectively from cone heat conductive oil inlet, upper cover heat conductive oil inlet and
Filter heat conductive oil inlet leads to tapered vessel jacket, tapered container upper cover and cleanable filter, guarantees the tapered container
Inside it is heated evenly；
The present invention feeds back the temperature, tapered of material by the instrument cluster filled in the tapered drier body equipment in due course
Drier body chamber pressure, the operating condition of the entire drying device of reed time controll；By in the tapered dry body top
Setting cleanable filter can be avoided tiny particles content in drying process and fly out, and constantly be reflected according to filter pressure sensor
The pressure value of the cleanable filter, when pressure value exceeds preset value, the nitrogen purge system starting, to institute
It states filter and carries out blowback, guarantee that cleanable filter described in entire drying process is unobstructed；By described tapered dry main
Body equipment connects the pumping condenser system can adjust tapered dry main intracorporal vacuum degree according to requirements of process, and when charging leads to
The aperture of over-voltage power transmitter control pneumatic control valve, which will maintain tiny structure in the tapered container, to be prevented outside radgas
It lets out, pneumatic control valve standard-sized sheet maintains condition of high vacuum degree when dry, reduces the evaporating temperature of water, accelerates evaporation rate and reduces as far as possible easily
Fire explosive, toxic and harmful gas generation；By in the tapered container inject nitrogen can be formed in tapered container it is lazy
Property environment, plays the role of burn-proof and explosion prevention；By installing double helix stirring blade additional in the tapered container, during heating
The spent resin in the tapered container is stirred, it is made to be heated evenly, not bond, while improving rate of drying, is reduced because of office
The harm of spent resin decomposed bring caused by portion's temperature is excessively high；It, can by the way that camera is arranged in the tapered container upper cover
Situation in observation drying process in tapered container in real time, including situation is removed water in resin feeding removal process, it was dried in vacuo
The clean-up performance cleaned in dry degree and uniformity coefficient and last cleaning process in journey；By on the tapered container
Sample tap is set, spent resin can be taken out in dry different phase, detect moisture content, judges degree of drying and draws dry song
Line seeks the optimal use configuration of device with this；Pass through the filter temperature sensor in the cleanable filter side
Judge vapor (steam) temperature in due course, when temperature is more than setting, close hot oil unit, stops heating, cooling hot oil.
Detailed description of the invention
Just attached drawing in conjunction with the embodiments below, the embodiment of the present invention is described in further detail, so that of the invention
Technical solution is more readily understood, grasps.
Fig. 1 is that the principle of the present invention diagram is intended to.
Fig. 2 is overall installation figure of the invention.
Fig. 3 is the tapered drier body equipment main view of the present invention.
Fig. 4 is the tapered drier body equipment side view of the present invention.
Fig. 5 is the tapered drier body equipment top view of the present invention.
Fig. 6 is the enlarged drawing of main equipment of the present invention.
In figure: 1- main equipment；2- hot oil unit；3- is evacuated condenser system；4- nitrogen purge system；5- cleaning water removal
System；6- resin barrelling system；7- conical vessel；8- conical vessel upper cover；9- decelerating motor；10- double helix stirring blade；
100- cleanable filter；101- discharging ball valve；102- charging connection；103- cone heat conductive oil inlet；104- cone
Body conduction oil outlet；105- upper cover heat conductive oil inlet；106- filter desalination water inlet；107- filter conduction oil outlet；
108- filter heat conductive oil inlet；109-L shape nitrogen snorkel.
200- upper cover conduction oil outlet；201- nitrogen inlet；202- sample tap；203- feed inlet；204- desalination water inlet；
205- is equipped with the viewport of intense light source；206- is equipped with the viewport of video camera；207- rotary nozzle；208- steam (vapor) outlet；209-
Pressure transmitter；
300- level transducer；301- safety valve；302- filter temperature sensor；303- filter pressure sensor；
The first tuning fork material-position measuring meter of 304-；The second tuning fork material-position measuring meter of 305-；306- vacuum pump；307- first-stage condenser；308- B-grade condensation
Device；309- pneumatic control valve；310- condenses liquid case；311- cone temperature transmitter；
400- screw pump；401- pneumatic diaphragm pump；402- liquid collecting mechanism；403- hoistable platform；404-160L stainless steel barrel.
Specific embodiment
As shown in Figures 1 to 6, the present invention relates to a kind of tapered drying devices of nuclear power station spent resin, including are used for spent resin
Vacuum drying tapered drier body equipment 1, for the heating of tapered drier and cooling hot oil unit 2, for remaining dry
Vacuum degree and the pumping condenser system 3 for condensing steam in dry device main body, are cleaned for system protection and cleanable filter
Nitrogen purge system 4, for the cleaning water scavenging system 5 of spent resin water removal and system pipeline cleaning, for simulating nuclear island SRTF work
The resin barrelling system 6 of position；Vacuum pump 306, first-stage condenser 307, second level are connected in pumping condenser system 3 of the present invention
Condenser 308, pneumatic control valve 309 and condensation liquid case 310；
The nitrogen purge system 4 share three tunnels connection, the first via: the nitrogen purge system 4 by pipe valve with
3 connection of pumping condenser system；Second tunnel: the nitrogen purge system 4 passes through pipe valve and the cleanable filter
100 connection are used to blowback cleanable filter 100；Third road: the nitrogen purge system 4 passes through L shape nitrogen snorkel 109
With 6 connection of resin barrelling system, the L shape nitrogen tube 109 is wound in heating in hot-oil jacket, from cone heat conductive oil inlet
103 extend out, and other end is connected with discharging ball valve 101；The resin barrelling system 6 after drying with it is described tapered
Drier body equipment 1 is docked；
Screw pump 400, pneumatic diaphragm pump 401, liquid collecting mechanism 402 are connected on the cleaning water scavenging system 5；The resin
Hoistable platform 403 and 160L stainless steel barrel 404 are housed in barrelling system 6；The tapered drier body equipment 1 is thermally conductive in cone
Oil inlet 103, upper cover heat conductive oil inlet 105, filter heat conductive oil inlet 108 and cone conduction oil outlet 104, filter is thermally conductive
Oil export 107, upper cover conduction oil outlet 200 and 2 connection of hot oil unit；The tapered drier body equipment 1 with it is described
It is evacuated the connection at the steam (vapor) outlet 208 of condenser system 3；The tapered drier body equipment 1 and nitrogen purging system
The connection at nitrogen inlet 201 of system 4；The tapered drier body equipment 1 and the 5 desalination water inlet of cleaning water scavenging system
Connection at 204.
Tapered drier body equipment 1 of the present invention includes tapered container 7, the tapered container upper cover 8 for holding spent resin,
The tapered container upper cover is equipped with decelerating motor 9, the tapered container inside is equipped with double helix stirring blade 10, described tapered
Container upper cover is also equipped with cleanable filter 100, below the tapered container installation discharging ball valve 101, charging connection 102 with
And the instrument cluster connected on the tapered drier.Between the double helix stirring blade 10 and 7 inner wall of tapered container
Gap is in 5mm.9 revolving speed of decelerating motor turns to adjustable.The tapered container 7 is double layer jacket structure, intermediate admittance hot oil,
Side is equipped with cone heat conductive oil inlet 103, cone conduction oil outlet 104, nitrogen inlet 201 and sample tap 202, and cone bottom has three
A discharge outlet with filter and a urgent discharge gate.
Tapered container upper cover 8 of the present invention is double layer jacket structure, and telophragma has thermal conductive oil pipeline, and side is equipped with upper cover
Heat conductive oil inlet 105 is equipped with upper cover conduction oil outlet 200 above, is additionally provided with feed inlet 203 on the tapered container upper cover, removes
Brine inlet 204, the viewport 205 equipped with intense light source and the viewport equipped with video camera 206, the tapered container upper cover lower section
Equipped with rotary nozzle 207.The cleanable filter 100 is double layer jacket structure, centre can admittance hot oil, top is equipped with filtering
Device conduction oil outlet 107, lower part are equipped with filter heat conductive oil inlet 108, and inside is equipped with 4 filter cores, and top is removed equipped with filter
Brine inlet 106 and steam (vapor) outlet 208.The instrument cluster includes the pressure inverting being set on the tapered container 7 on lid
Device 209, level transducer 300 and safety valve 301 are placed in the cone temperature transmitter 311 of 7 side of tapered container, are placed in
The filter temperature sensor 302 and filter pressure sensor 303 of 11 side of cleanable filter, are placed in charging connection
On the first tuning fork material-position measuring meter 304 and the second tuning fork material-position measuring meter 305.
A kind of working method of the tapered drying device of nuclear power station spent resin of the present invention, after installation and debugging, the first step is first
The pumping condenser system first is started into Passivation Treatment to system, rule will be evacuated down in the tapered drier body equipment
Then constant-pressure starts the nitrogen purge system, suitable nitrogen will be filled in the tapered drier body equipment to rule
Constant-pressure, then it will be evacuated down to authorized pressure in the tapered drier body equipment, after being repeated several times, oxygen in inspection system
Whether content reaches specified value, after reaching specified value, nitrogen will be refilled in the tapered drier body equipment and is born to micro-
Pressure, system Passivation Treatment process terminate；
The mixture of the resin of specified amount and water is packed into institute from material inlet by screw pump by second step, feeding water removal
It states in tapered container, starts the cleaning water scavenging system, extra moisture is through the pneumatic diaphragm pumping in the tapered container
Suction is discharged into the resin blending tank by three discharge outlet of the tapered container bottom, until pneumatic diaphragm pumping is less than water
When, the cleaning water scavenging system is closed, feeding water removal terminates；
Third step, vacuum drying, starts the pumping condenser system, starts the hot oil unit, starts the deceleration electricity
Machine starts to be dried in vacuo process, in process of vacuum drying, the work of steam in the tapered drier body in the vacuum pump
It is filtered, is condensed by the first-stage condenser, the secondary condenser, condensate liquid is collected by the cleanable filter with lower
In the condensation liquid case, other on-condensible gases discharge after treatment；The condensate liquid that the condensation liquid case is collected is after testing
After focus on, when the tapered temperature sensor reaches setting value, vacuum drying process terminate；
4th step, discharging barrelling dock the resin barrelling system with the charging connection, starting nitrogen purging system
System gives tapered drying receptacle vacuum breaker, opens discharging ball valve, starts discharging, when tuning fork material-position measuring meter alarm, charging knot
Beam closes discharging ball valve, starts nitrogen purge system, and the resin barrelling system is separated with the charging connection；
The liquid collecting mechanism is docked with the charging connection, starts the pneumatic diaphragm pump by the 5th step, cleaning systems,
The cleanable filter, the tapered container, the discharging ball valve, charging connection pipeline, valve are successively cleaned from top to bottom
Deng；Cleaning process terminates.
Structure of the invention is reasonable, can safely and effectively complete the vacuum drying overall process of spent resin, pass through the hot oil machine
Group is heated to the tapered drying device main equipment, conduction oil respectively from cone heat conductive oil inlet, upper cover heat conductive oil inlet and
Filter heat conductive oil inlet leads to tapered vessel jacket, tapered container upper cover and cleanable filter, guarantees the tapered container
Inside it is heated evenly；
The present invention feeds back the temperature, tapered of material by the instrument cluster filled in the tapered drier body equipment in due course
Drier body chamber pressure, the operating condition of the entire drying device of reed time controll；By in the tapered dry body top
Setting cleanable filter can be avoided tiny particles content in drying process and fly out, and constantly be reflected according to filter pressure sensor
The pressure value of the cleanable filter, when pressure value exceeds preset value, the nitrogen purge system starting, to institute
It states filter and carries out blowback, guarantee that cleanable filter described in entire drying process is unobstructed；By described tapered dry main
Body equipment connects the pumping condenser system can adjust tapered dry main intracorporal vacuum degree according to requirements of process, and when charging leads to
The aperture of over-voltage power transmitter control pneumatic control valve, which will maintain tiny structure in the tapered container, to be prevented outside radgas
It lets out, pneumatic control valve standard-sized sheet maintains condition of high vacuum degree when dry, reduces the evaporating temperature of water, accelerates evaporation rate and reduces as far as possible easily
Fire explosive, toxic and harmful gas generation；By in the tapered container inject nitrogen can be formed in tapered container it is lazy
Property environment, plays the role of burn-proof and explosion prevention；By installing double helix stirring blade additional in the tapered container, during heating
The spent resin in the tapered container is stirred, it is made to be heated evenly, not bond, while improving rate of drying, is reduced because of office
The harm of spent resin decomposed bring caused by portion's temperature is excessively high；It, can by the way that camera is arranged in the tapered container upper cover
Situation in observation drying process in tapered container in real time, including situation is removed water in resin feeding removal process, it was dried in vacuo
The clean-up performance cleaned in dry degree and uniformity coefficient and last cleaning process in journey；By on the tapered container
Sample tap is set, spent resin can be taken out in dry different phase, detect moisture content, judges degree of drying and draws dry song
Line seeks the optimal use configuration of device with this；Pass through the filter temperature sensor in the cleanable filter side
Judge vapor (steam) temperature in due course, when temperature is more than setting, close hot oil unit, stops heating, cooling hot oil.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, those skilled in the art
Member is under the enlightenment of the technology of the present invention marrow, it is also possible to make other changes, all shapes using equivalents or equivalent transformation
At all technical solutions, be within the scope of the present invention.
Claims (4)
1. a kind of tapered drying device of nuclear power station spent resin, it is characterised in that: including vacuum drying tapered dry for spent resin
Dry device main equipment (1), for the heating of tapered drier and cooling hot oil unit (2), for remaining true in drier body
Reciprocal of duty cycle and the pumping condenser system (3) for condensing steam, the nitrogen cleaned for system protection and cleanable filter purge system
It unites (4), for the cleaning water scavenging system (5) of spent resin water removal and system pipeline cleaning, for simulating the tree of nuclear island SRTF station
Rouge barrelling system (6)；
Vacuum pump (306), first-stage condenser (307), secondary condenser (308), gas are connected on the pumping condenser system (3)
Dynamic regulating valve (309) and condensation liquid case (310)；
The nitrogen purge system (4) share three tunnels connection, the first via: the nitrogen purge system (4) by pipe valve with
Pumping condenser system (3) connection；Second tunnel: the nitrogen purge system (4) passes through pipe valve and the mistake capable of washing
Filter (100) connection is used to blowback cleanable filter (100)；Third road: the nitrogen purge system (4) passes through L shape nitrogen
Snorkel (109) and resin barrelling system (6) connection, the L shape nitrogen tube (109) are wound in heating in hot-oil jacket,
It extends out from cone heat conductive oil inlet (103), other end is connected with discharging ball valve (101)；The resin barrelling system (6)
It is being docked after drying with the tapered drier body equipment (1)；
Screw pump (400), pneumatic diaphragm pump (401), liquid collecting mechanism (402) are connected on the cleaning water scavenging system (5)；
Hoistable platform (403) and 160L stainless steel barrel (404) are housed on the resin barrelling system (6)；
The tapered drier body equipment (1) is in cone heat conductive oil inlet (103), upper cover heat conductive oil inlet (105), filter
Heat conductive oil inlet (108) and cone conduction oil outlet (104), filter conduction oil outlet (107), upper cover conduction oil outlet
(200) with hot oil unit (2) connection；The tapered drier body equipment (1) is being steamed with the pumping condenser system (3)
Connection at vapor outlet (208)；The tapered drier body equipment (1) and the nitrogen purge system (4) are in nitrogen inlet
(201) connection at；Join at the tapered drier body equipment (1) and cleaning water scavenging system (5) the desalination water inlet (204)
It is logical；The tapered drier body equipment (1) includes the tapered container (7) for holding spent resin, tapered container upper cover (8), described
Tapered container upper cover is equipped with decelerating motor (9), inside the tapered container equipped with double helix stirring blade (10), described tapered
Container upper cover is also equipped with cleanable filter (100), installs discharging ball valve (101), charging connection below the tapered container
(102) and on the tapered drier instrument cluster connected；The double helix stirring blade (10) and the tapered container
(7) gap of inner wall is in 5mm；The cleanable filter (100) is double layer jacket structure, centre can admittance hot oil, top
Equipped with filter conduction oil outlet (107), lower part is equipped with filter heat conductive oil inlet (108), and inside is equipped with 4 filter cores, top
Equipped with filter desalination water inlet (106) and steam (vapor) outlet (208)；The instrument cluster includes being set to the tapered container
(7) pressure transmitter (209), level transducer (300) and safety valve (301) on lid, are placed in tapered container (7) side
The cone temperature transmitter (311) in face is placed in the filter temperature sensor (302) of the cleanable filter (100) side
With filter pressure sensor (303), the first tuning fork material-position measuring meter (304) and the second tuning fork material-position measuring meter being placed on charging connection
(305)。
2. a kind of tapered drying device of nuclear power station spent resin according to claim 1, it is characterised in that: the decelerating motor
(9) revolving speed turns to adjustable.
3. a kind of tapered drying device of nuclear power station spent resin according to claim 1, it is characterised in that: the tapered container
It (7) is double layer jacket structure, intermediate admittance hot oil, side is equipped with cone heat conductive oil inlet (103), cone conduction oil outlet
(104), nitrogen inlet (201) and sample tap (202), there are three the discharge outlet with filter and a urgent discharges for cone bottom
Mouthful.
4. a kind of tapered drying device of nuclear power station spent resin according to claim 1, it is characterised in that: the tapered container
Upper cover (8) is double layer jacket structure, and telophragma has thermal conductive oil pipeline, and side is equipped with upper cover heat conductive oil inlet (105), is equipped with above
Upper cover conduction oil outlet (200) is additionally provided with feed inlet (203) on the tapered container upper cover, desalination water inlet (204), is equipped with
The viewport (205) of intense light source and viewport (206) equipped with video camera are equipped with rotary nozzle below the tapered container upper cover
(207)。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611049945.8A CN106558352B (en) | 2016-11-24 | 2016-11-24 | A kind of tapered drying device of nuclear power station spent resin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049945.8A CN106558352B (en) | 2016-11-24 | 2016-11-24 | A kind of tapered drying device of nuclear power station spent resin |
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| CN106558352A CN106558352A (en) | 2017-04-05 |
| CN106558352B true CN106558352B (en) | 2019-01-04 |
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| CN107293343B (en) * | 2017-06-12 | 2019-04-12 | 航天晨光股份有限公司 | The loading and unloading transfer device and its conveyer method of nuclear power station spent resin |
| CN110097990B (en) * | 2018-01-31 | 2023-01-17 | 中国辐射防护研究院 | Simulation container of high-density polyethylene high-integral container |
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| CN111380334A (en) * | 2018-12-28 | 2020-07-07 | 国家电投集团远达环保工程有限公司重庆科技分公司 | Radioactive wet waste treatment system and heating device |
| CN209672758U (en) * | 2019-03-01 | 2019-11-22 | 浙江三赢新材料有限公司 | A kind of jacket type oil bath drying unit of super absorbent resin |
| CN109900089B (en) * | 2019-03-01 | 2023-12-12 | 浙江三赢新材料有限公司 | Novel drying process method for preparing super absorbent resin |
| CN109990585A (en) * | 2019-04-10 | 2019-07-09 | 永康市正祥五金制品科技有限公司 | A kind of drying device |
| CN110425846A (en) * | 2019-07-09 | 2019-11-08 | 江苏中海华核环保有限公司 | It is a kind of for handling the cone drier of spent resin with radionuclide |
| CN110478998B (en) * | 2019-08-22 | 2021-09-07 | 杭州勤立机械有限公司 | Tidal power station power distribution cabinet salt mist removing equipment utilizing sea wind self-purification |
| CN112289475B (en) * | 2020-10-29 | 2023-04-07 | 江苏中海华核环保有限公司 | Device and method for cleaning and controlling radioactive waste resin |
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Address after: 211100 No. 188 middle Tianyuan Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee after: AEROSUN Corp. Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: 211100 No. 188 middle Tianyuan Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: AEROSUN Corp. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Address after: 211100 No. 188 middle Tianyuan Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee after: AEROSUN Corp. Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: 211100 No. 188 middle Tianyuan Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: AEROSUN Corp. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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