CN110211720A - Dry heat device and heating means in a kind of radioactive liquid waste bucket - Google Patents
Dry heat device and heating means in a kind of radioactive liquid waste bucket Download PDFInfo
- Publication number
- CN110211720A CN110211720A CN201910456962.0A CN201910456962A CN110211720A CN 110211720 A CN110211720 A CN 110211720A CN 201910456962 A CN201910456962 A CN 201910456962A CN 110211720 A CN110211720 A CN 110211720A
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- Prior art keywords
- dry
- bucket
- cabinet
- waste
- liquid
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Classifications
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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
- G21F9/04—Treating liquids
- G21F9/06—Processing
- G21F9/08—Processing by evaporation; by distillation
-
- 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
- G21F9/04—Treating liquids
- G21F9/20—Disposal of liquid waste
- G21F9/22—Disposal of liquid waste by storage in a tank or other container
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
Abstract
The present invention provides dry heat device in a kind of radioactive liquid waste bucket, is equipped with the matrix form micro electromagnetic induction heating system that suspension is fixed on the inside sidewalls of cabinet and is engaged with dry bucket between cabinet including a upper opening and the drying bucket, the cabinet and dry bucket that are placed in the box house.The present invention also provides a kind of dry heat methods in radioactive liquid waste bucket.Dry heat device is by being arranged matrix form micro electromagnetic induction heating system between cabinet and dry bucket in radioactive liquid waste bucket of the invention, to realize quick start heating；It heats, is shaken encountering earthquake etc., after loosening container, heating device is automatically stopped heating, ensure that the inherent safety of the device since electromagnetic induction heating needs to realize on dry bucket contact or at a distance from the very little；Meanwhile electromagnetic induction heating efficiency is higher, can reach 95% thermal transition efficiency, environmental protection and energy saving.
Description
Technical field
The invention belongs to Radwastes treatment technical fields, and in particular to dry heat dress in a kind of radioactive liquid waste bucket
It sets and heating means.
Background technique
It is dry in bucket to exist as effective liquid waste disposal technique suitable for the processing of the higher radioactive liquid waste of salinity
It is widely studied and applies both at home and abroad.Its principle is to pass through heat by heating to the pail for used dressings for containing radioactive liquid waste
Water transform in material is steam discharge by amount transmitting, and the solid waste after drying then stays in bucket, can after further reorganizing and outfit
Disposal site is sent to dispose as final waste.The salt-cake formed after being dried in bucket exists without free water, wet according to radioactivity
The source item of waste is different, and volume can reduce several to more than ten times, can effectively improve the storage efficiency of waste, reduce waste
Disposal costs.
Currently, dry heat mode mainly has Hot-blast Heating, resistance heating and microwave to add in research and the more bucket of application
Heat etc..Wherein Hot-blast Heating, resistance heating etc. are indirect heating manner, and the rate of heat addition is slower, and the starting time is long, energy utilization
Rate is lower, and about 50% or so, it is not suitable for quick emergency processing radioactive liquid waste；And microwave heating is directly in bucket
Material is heated, but since material is added portionwise, and material composition is unbalanced, causes to be difficult to control material heating uniformity
Deng the technology is not suitable for dry heat in bucket at present.
The principle of electromagnetic induction heating technology (Electromagnetic heating, EH) technology is to pass through electronic circuit
Plate component part generate alternating magnetic field, when with containing container made of iron place above when, vessel surface i.e. cut alternate magnetic force line and
Container bottom metal part generates the electric current (being vortexed) of alternation, and vortex makes the carrier high speed random motion of container bottom,
Carrier and atom collide with each other, rub and generate thermal energy, to play the effect of heating article.Because being iron ware itself
Fever, so heat conversion is especially high, can reach 95%, is a kind of direct-fired mode.However, electromagnetic induction heating
Technical requirements are contacted containing container made of iron with electronic circuit board, and are dried bucket and needed to dismount, it is difficult to which guarantee connects with electronic circuit board
Touching, therefore currently without dry heat device in the radioactive liquid waste bucket based on electromagnetic induction.
Therefore, in view of problem above, it is necessary to propose dry heat device and heating means in the novel bucket of one kind, it can
Make drying device quick start in bucket, and improve device security and heat conversion height, reduce processing cost, meanwhile, it is capable to suitable
For quickly handling the radioactive liquid waste under case of emergency.
Summary of the invention
Dry heat device and add in the purpose of the present invention is to provide a kind of radioactive liquid waste bucket based on electromagnetic induction
Hot method improves device security and heat conversion to realize quick start.
To achieve the goals above, the present invention provides dry heat device in a kind of radioactive liquid waste bucket, including a top
Suspension, which is equipped with, between the cabinet of opening and the drying bucket, the cabinet and dry bucket that are placed in the box house is fixed on cabinet
Inside sidewalls and the matrix form micro electromagnetic induction heating system being engaged with dry bucket.
The matrix form micro electromagnetic induction heating system includes muti-piece according to the evenly arranged micro electromagnetic of matrix form
Induction heater.
Constant gap between the adjacent micro electromagnetic induction heater, and be connected in parallel to each other fixation using fixing piece.
The micro electromagnetic induction heater is regular polygon, preferably hexagon.
One is connected separately in each micro electromagnetic induction heater to be connect by the signal wiring and a power supply of PLC program driving
Line.
The material of the drying bucket is metal material, preferably stainless steel.
The opening of the cabinet contacts sealing with a top seal, and the top seal connects waste liquid charging
Pipeline and an exhaust emission pipeline.
Flow meters are installed on the waste liquid feed pipe.
Gas-liquid separator, filter and the air exhaust units positioned at filter downstream are installed on the exhaust emission pipeline.
A liquidometer, a thermometer and the pressure gauge for being inserted into dry bucket are inserted on the top seal, it is described
Liquidometer is equipped with the warning limit of upper and lower liquid level, and the thermometer is equipped with high-temperature alarming device, and the pressure gauge is equipped with pressure
Power transfinites alarming device.
The interpolation type heated at constant temperature stick for being inserted into dry bucket is inserted on the top seal.
Top seal cover assembly is connect with cabinet by a pivotable movement.
It is additionally provided between the cabinet and dry bucket on the bottom wall for being fixed on cabinet and is located at the bottom heating below dry bucket
Device.
On the other hand, the present invention also provides a kind of dry heat methods in radioactive liquid waste bucket, comprising:
Step S1: providing the cabinet of a upper opening, and matrix form micro electromagnetic induction heating system suspension is fixed on
One dry bucket is placed in the cabinet and contacts with the matrix form micro electromagnetic induction heating system by the inside sidewalls of the cabinet
Cooperation then will contact sealing with a top seal with the opening of cabinet, and by the top seal and a waste liquid into
Pipe material and exhaust emission pipeline connection；
Step S2: waste liquid is added into the dry bucket by the waste liquid feed pipe；
Step S3: the matrix form micro electromagnetic induction heating system and exhaust emission pipeline are opened；
Step S4: waste liquid evaporation is changed into dry salt solid in dry bucket and the liquid level of waste liquid constantly reduces, when waste liquid
When liquid level is close to the dry salt surface of solids, repeat the above steps S2 and step S3；
Step S5: after last batch of waste liquid is all dried to salt, stops heating, continue to discharge by exhaust emission pipeline
Tail gas；
Step S6: being cooled to room temperature to the dry temperature within the barrel, removes the top seal cover assembly, by the drying
Bucket capping, hangs out the cabinet.
Preferably, step S1 further include: by a liquidometer, a thermometer, a pressure gauge and an interpolation type heated at constant temperature stick
It is plugged on the top seal and is placed on the dry bucket, wherein the interpolation type heated at constant temperature stick protrudes into described do
Dry bucket.
Preferably, the step S2 further include: waste liquid amount is observed by the liquidometer, when the liquid level of waste liquid about reaches dry
Dry bucket volume 80~95% when, stop charging.
Preferably, the step S3 further include: changed by the liquid level that the liquidometer monitors waste liquid, pass through the temperature
Meter and pressure gauge monitoring case body temperature and negative pressure.
Preferably, the step S4 further include: when dry salt solid reaches certain thickness, open the interpolation type constant temperature
Heating rod, or open the interpolation type heated at constant temperature stick and close matrix form micro electromagnetic induction heating system.
Preferably, in the step S4, the liquid level of the waste liquid close to the dry salt surface of solids be to pass through liquidometer
Observation waste liquid amount judges, when the liquid level of waste liquid is at 0.01~0.1m of the dry salt surface of solids, is then judged as waste liquid
Liquid level is close to the dry salt surface of solids.
Preferably, the step S1 further include: before a dry bucket is placed in the cabinet, a bottom heater is consolidated
It is scheduled on the bottom wall for being fixed on the cabinet；And the step S3 further include: open bottom heater.
Dry heat device is by setting matrix form micro electromagnetic induction heating system in radioactive liquid waste bucket of the invention
It sets between cabinet and dry bucket, makes the metal steel drum self-heating for containing radioactive liquid waste, to the radioactive liquid waste in container
It is heated, so that quick start heating is realized, to solve to be dried demand in the bucket of radioactive liquid waste under case of emergency；
It heats since electromagnetic induction heating needs to realize on dry bucket contact or at a distance from the very little, is shaken encountering earthquake etc.
Dynamic, after loosening container, heating device is automatically stopped heating, ensure that the inherent safety of the device；Meanwhile electromagnetic induction adds
The thermal efficiency is higher, can reach 95% thermal transition efficiency, environmental protection and energy saving.In addition, passing through matrix form micro electromagnetic induction heating
The matrix design of device can go out thermo parameters method according to calculating simulation to adjust the heating amount of different zones, realize accurately warm
Degree control, to guarantee heating uniformity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of radioactive liquid waste bucket inner heating device disclosed by the invention.
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Fig. 3 is partial enlargement diagram of the Fig. 2 at the region D；
Fig. 4 is shifting of the top seal of radioactive liquid waste bucket inner heating device as shown in Figure 1 in the case where overlooking visual angle
Dynamic schematic diagram.
Specific embodiment
Technical solution of the present invention will be clearly and completely described by specific embodiment below.Obviously, it is retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.
As shown in Figure 1 for according to dry heat device in the radioactive liquid waste bucket of one embodiment of the present of invention, including one
The cabinet 1 of upper opening and the drying bucket 2 being placed in inside the cabinet 1 are equipped with suspension between cabinet 1 and dry bucket 2 and are fixed on
The inside sidewalls of cabinet 1 and the matrix form micro electromagnetic induction heating system 3 being engaged with dry bucket 2 and it is fixed on cabinet
Bottom heater 4 on 1 bottom wall and positioned at dry 2 lower section of bucket, the opening of the cabinet 1 contacts close with a top seal 5
Envelope.
Wherein, the shape of cabinet 1 and dry bucket 2 is cylinder, so that cabinet 1 is that dry bucket 2 provides a supporting role.It is dry
The material of bucket 2 is metal material, and such as stainless steel can be as the container containing of waste liquid drying process, under electromagnetic induction effect
Heat waste liquid.Bottom heater 4 is electric heater unit, provides heat source for dry bucket bottom, and can maintain constant temperature.Top sealing dress
5 connection, one waste liquid feed pipe 6 and an exhaust emission pipeline 7 are set, to realize the entrance of waste liquid and the discharge of tail gas, wherein useless
Flow meters 61 are installed on liquid feed pipe 6, to control waste liquid flow, gas-liquid separator is installed on exhaust emission pipeline 7
71, filter 72 and the air exhaust units 73 positioned at 72 downstream of filter, gas-liquid separator 71 is for the moisture separation in tail gas, mistake
Filtration treatment of the filter 72 for the particulate matter in tail gas, so that the two realizes the purification of the tail gas of discharge, air exhaust units jointly
73 for providing certain negative pressure for cabinet by air draft.The liquid for being inserted into dry bucket 2 is also inserted on the top seal 5
Position 8, one thermometer 9 of meter, a pressure gauge 10 and an interpolation type heated at constant temperature stick 11, wherein liquidometer 8 is alert equipped with upper and lower liquid level
Show limit, so that liquidometer 8 realizes that the monitoring of the liquid level and its situation of change of liquid and liquid level warn function in dry bucket 2
Energy；Thermometer 9 is equipped with high-temperature alarming device, for realizing the monitoring of the temperature and its situation of change of liquid in dry bucket 2 and
High temperature alarm alarm function, and pressure gauge 10 is equipped with pressure limit alarming device, realizes Pressure monitoring and pressure in dry bucket 2
Power transfinites alarm function.
As shown in Fig. 2, matrix form micro electromagnetic induction heating system 3 includes that muti-piece is evenly arranged micro- according to matrix form
Type electromagnetic induction heater 31, the micro electromagnetic induction heater 31 are regular polygon, preferably hexagon.As shown in figure 3,
Constant gap between adjacent micro electromagnetic induction heater 31, and be connected in parallel to each other fixation using fixing piece.Matrix form is miniature
A signal driven by PLC program is connected separately in each micro electromagnetic induction heater 31 of electromagnetic induction heating system 3
Wiring 32 and a power supply wiring 33, to realize the independent heating of each hexagon electromagnetic induction heater 31.
As shown in figure 4, top seal cover assembly 5 is flexibly connected with cabinet 1 by a pivot C, so as to realize top
The rotary opening and closing of seal cover assembly 5, in the present embodiment, the pivot perpendicular to the cabinet 1 bottom surface so that top is close
Capping apparatus 5 is rotated horizontally relative to cabinet 1.
It illustrates below with reference to Fig. 1 and is put using what dry heat device in radioactive liquid waste bucket described above was realized
Dry heat method in penetrating property waste liquid barrel, the specific steps of which are as follows:
Step S1: providing the cabinet 1 of a upper opening, and a matrix form micro electromagnetic induction heating system 3 is hung and is fixed
In the inside sidewalls of the cabinet 1, by a dry bucket 2 be placed in its cabinet 1 and with the matrix form micro electromagnetic induction heating system
System 3 is engaged, and then will contact sealing with a top seal 5 with the opening of cabinet 1, and by the top seal 5
It is connect with a waste liquid feed pipe 6 and an exhaust emission pipeline 7, to obtain dry heat device in a radioactive liquid waste bucket；
In addition, step S1 can also include: by a liquidometer 8, a thermometer 9, a pressure gauge 10 and an interpolation type heated at constant temperature stick 11
It is plugged on top seal 5 and is placed on dry bucket 2, wherein the interpolation type heated at constant temperature stick 11 can protrude into the dry bucket
2, and can also include: that a bottom heater 4 is fixed to case before a dry bucket 2 is placed in its cabinet 1
On the bottom wall of body 1.
Step S2: radioactive liquid waste is added into dry bucket 2 by the waste liquid feed pipe 6；And it is seen by liquidometer 8
Waste liquid amount is surveyed, when the liquid level of waste liquid about reaches the 80~95% of dry 2 volume of bucket, stops charging.
Step S3: matrix form micro electromagnetic induction heating system 3, bottom heater 4 and exhaust emission pipeline 7 are opened；And lead to
The liquid level variation that liquidometer 8 monitors waste liquid is crossed, temperature and negative pressure in cabinet 1 are monitored by thermometer 9 and pressure gauge 10.
Wherein, matrix form micro electromagnetic induction heating system 3 include muti-piece according to matrix form it is evenly distributed made of six
The micro electromagnetic induction heater 31 of side shape is connected separately with one in each micro electromagnetic induction heater 31 and is driven by PLC program
Dynamic signal wiring 32 and a power supply wiring 33, and the matrix form micro electromagnetic induction heating system 3 by the PLC program according to
The temperature and liquid level that liquidometer 8 and thermometer 9 monitor change driving signal wiring 32 to open, to realize warm in dry bucket 5
Degree is precisely controlled.
Step S4: waste liquid evaporation is changed into dry salt solid in dry bucket 2 and the liquid level of waste liquid constantly reduces, when waste liquid
When liquid level is close to the dry salt surface of solids, repeat the above steps S2 and step S3；Wherein, the liquid level of the waste liquid is close to dry
The dry salt surface of solids is to observe waste liquid amount by liquidometer 8 to judge, when waste liquid liquid level apart from the dry salt surface of solids about
At 0.01~0.1m, then it is judged as the liquid level of waste liquid close to the dry salt surface of solids.
In addition, the step S4 further include: when dry salt solid reaches certain thickness, open interpolation type heated at constant temperature stick
11, or open interpolation type heated at constant temperature stick 11 and close matrix form micro electromagnetic induction heating system 3, to maintain dry bucket 2
Interior central temperature improves heating efficiency, avoids the temperature gradient inside along bucket diameter direction caused by being obstructed that conduct heat.
Step S5: after last batch of waste liquid is all dried to salt, i.e., reach dry 2 height of bucket in dry salt solid
80% or so, stop heating, exhaust emission pipeline 7 continues emission；Tail gas is net by gas-liquid separator 71 and filter 72
It is discharged again by air exhaust units 73 after change.
Step S6: temperature is cooled to room temperature in bucket 2 to be dried, is removed top seal cover assembly 5 and is hung after dry bucket 2 covers
Cabinet 1 out, end operation.
Above-described, only presently preferred embodiments of the present invention, the range being not intended to limit the invention, of the invention is upper
Stating embodiment can also make a variety of changes.Made by i.e. all claims applied according to the present invention and description
Simply, equivalent changes and modifications fall within the claims of the invention patent.The not detailed description of the present invention is
Routine techniques content.
Claims (20)
1. dry heat device in a kind of radioactive liquid waste bucket, cabinet (1) including a upper opening and it is placed in the cabinet (1)
The drying bucket (2) of inside is fixed on cabinet (1) it is characterized in that, being equipped with to hang between the cabinet (1) and dry bucket (2)
Inside sidewalls and the matrix form micro electromagnetic induction heating system (3) being engaged with dry bucket (2).
2. dry heat device in radioactive liquid waste bucket according to claim 1, which is characterized in that the matrix form is miniature
Electromagnetic induction heating system (3) includes muti-piece according to the evenly arranged micro electromagnetic induction heater (31) of matrix form.
3. dry heat device in radioactive liquid waste bucket according to claim 2, which is characterized in that adjacent is described miniature
Constant gap between electromagnetic induction heater (31), and be connected in parallel to each other fixation using fixing piece.
4. dry heat device in radioactive liquid waste bucket according to claim 2, which is characterized in that the micro electric magnetic strength
Answering heater (31) is regular polygon.
5. dry heat device in radioactive liquid waste bucket according to claim 2, which is characterized in that each micro electric magnetic strength
It answers and is connected separately with the signal wiring (32) and a power supply wiring (33) by PLC program driving on heater (31).
6. dry heat device in radioactive liquid waste bucket according to claim 1, which is characterized in that the drying bucket (2)
Material be metal material.
7. dry heat device in radioactive liquid waste bucket according to claim 1, which is characterized in that the cabinet (1)
Opening contacts sealing with a top seal (5), and the top seal (5) connects a waste liquid feed pipe (6) and one
Exhaust emission pipeline (7).
8. dry heat device in radioactive liquid waste bucket according to claim 7, which is characterized in that the waste liquid feed pipe
Flow meters (61) are installed on road (6).
9. dry heat device in radioactive liquid waste bucket according to claim 7, which is characterized in that the tail gas discharging pipe
Gas-liquid separator (71), filter (72) and the air exhaust units (73) for being located at filter (72) downstream are installed on road (7).
10. dry heat device in radioactive liquid waste bucket according to claim 7, which is characterized in that the top sealing
A liquidometer (8), a thermometer (9) and the pressure gauge (10) for being inserted into dry bucket (2), the liquid level are inserted on device (5)
It counts (8) and is equipped with the warning limit of upper and lower liquid level, the thermometer (9) is equipped with high-temperature alarming device, and on the pressure gauge (10)
Equipped with pressure limit alarming device.
11. dry heat device in radioactive liquid waste bucket according to claim 7, which is characterized in that the top sealing
The interpolation type heated at constant temperature stick (11) for being inserted into dry bucket (2) is inserted on device (5).
12. dry heat device in radioactive liquid waste bucket according to claim 7, which is characterized in that the top sealing
Lid arrangement (5) is flexibly connected with cabinet (1) by a pivot (C).
13. dry heat device in radioactive liquid waste bucket according to claim 1, which is characterized in that the cabinet (1) and
The bottom heater (4) on the bottom wall for being fixed on cabinet (1) and being located at below dry bucket (2) is additionally provided between dry bucket (2).
14. a kind of dry heat method in radioactive liquid waste bucket characterized by comprising
Step S1: providing the cabinet (1) of a upper opening, and a matrix form micro electromagnetic induction heating system (3) is hung and is fixed
In the inside sidewalls of the cabinet (1), one dry bucket (2) are placed in the cabinet (1) and are incuded with the matrix form micro electromagnetic
Heating system (3) is engaged, and then will contact sealing with a top seal (5) with the opening of cabinet (1), and by the top
Portion's sealing device (5) is connect with a waste liquid feed pipe (6) and an exhaust emission pipeline (7)；
Step S2: waste liquid is added into the dry bucket (2) by the waste liquid feed pipe (6)；
Step S3: the matrix form micro electromagnetic induction heating system (3) and exhaust emission pipeline (7) are opened；
Step S4: dry bucket (2) interior waste liquid evaporation is changed into dry salt solid and the liquid level of waste liquid constantly reduces, when the liquid of waste liquid
When position is close to the dry salt surface of solids, repeat the above steps S2 and step S3；
Step S5: after last batch of waste liquid is all dried to salt, stops heating, continue to discharge by exhaust emission pipeline (7)
Tail gas；
Step S6: being cooled to room temperature to described dry bucket (2) interior temperature, remove the top seal cover assembly (5), will be described dry
Dry bucket (2) capping, hangs out the cabinet (1).
15. dry heat method in radioactive liquid waste bucket according to claim 14, which is characterized in that step S1 is also wrapped
It includes: a liquidometer (8), a thermometer (9), a pressure gauge (10) and an interpolation type heated at constant temperature stick (11) is plugged in the top
It is placed on portion's sealing device (5) on the dry bucket (2), wherein the interpolation type heated at constant temperature stick (11) protrudes into the drying
Bucket (2).
16. dry heat method in radioactive liquid waste bucket according to claim 15, which is characterized in that the step S2 is also
It include: to observe waste liquid amount by the liquidometer (8), when the liquid level of waste liquid about reaches the 80~95% of dry bucket (2) volume,
Stop charging.
17. dry heat method in radioactive liquid waste bucket according to claim 15, which is characterized in that the step S3 is also
Include: the liquid level variation for monitoring waste liquid by the liquidometer (8), passes through the thermometer (9) and pressure gauge (10) monitoring case
The interior temperature of body (1) and negative pressure.
18. dry heat method in radioactive liquid waste bucket according to claim 15, which is characterized in that the step S4 is also
It include: to open the interpolation type heated at constant temperature stick (11), or open the interpolation type when dry salt solid reaches certain thickness
Heated at constant temperature stick (11) simultaneously closes matrix form micro electromagnetic induction heating system (3).
19. dry heat method in radioactive liquid waste bucket according to claim 15, which is characterized in that in the step S4
In, the liquid level of the waste liquid close to the dry salt surface of solids is judged by liquidometer (8) observation waste liquid amount, works as waste liquid
Liquid level at 0.01~0.1m of the dry salt surface of solids, then be judged as the liquid level of waste liquid close to the dry salt surface of solids.
20. dry heat method in radioactive liquid waste bucket according to claim 14, which is characterized in that the step S1 is also
It include: that a bottom heater (4) is fixed to the cabinet before one dry bucket (2) are placed in the cabinet (1)
(1) on bottom wall；And the step S3 further include: open bottom heater (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456962.0A CN110211720B (en) | 2019-05-29 | 2019-05-29 | Drying and heating device and heating method in radioactive waste liquid barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456962.0A CN110211720B (en) | 2019-05-29 | 2019-05-29 | Drying and heating device and heating method in radioactive waste liquid barrel |
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| Publication Number | Publication Date |
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| CN110211720A true CN110211720A (en) | 2019-09-06 |
| CN110211720B CN110211720B (en) | 2021-05-14 |
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Cited By (1)
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| CN110880374A (en) * | 2019-11-14 | 2020-03-13 | 中核核电运行管理有限公司 | Temporary moisture-proof dehumidification implementation method |
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| CN110880374B (en) * | 2019-11-14 | 2021-11-16 | 中核核电运行管理有限公司 | Temporary moisture-proof dehumidification implementation method |
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| CN110211720B (en) | 2021-05-14 |
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