CN109300564A - A kind of device and method of the blocking of simulation steam and corrosion filter - Google Patents
A kind of device and method of the blocking of simulation steam and corrosion filter Download PDFInfo
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- CN109300564A CN109300564A CN201811100223.XA CN201811100223A CN109300564A CN 109300564 A CN109300564 A CN 109300564A CN 201811100223 A CN201811100223 A CN 201811100223A CN 109300564 A CN109300564 A CN 109300564A
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- filter
- steam
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- blocking
- corrosion
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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
-
- 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
- G21F9/06—Processing
- G21F9/12—Processing by absorption; by adsorption; by ion-exchange
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention provides the device and method of a kind of blocking of simulation steam and corrosion filter, and described device includes: steam generation control module, flow velocity and condensation module, data acquisition and processing (DAP) module and filter test module；Steam generation control module includes steam generator and power governor；Flow velocity and condensation module include sequentially connected heating hose, constant flow pump and condenser pipe, pass through pressure-resistant glass tube connection between constant flow pump and condenser pipe；The flow velocity and condensation module first end are connect by heating hose with steam generation control module, second end is connect by condenser pipe with data acquisition and processing (DAP) module first end, and data acquisition and processing (DAP) module second end passes through the filter test module of pressure-resistant glass tube connection.The process of the blocking of device and method analog steam and corrosion filter provided by the invention, applies to experimental study, can obtain relevant underlying parameter, and the precautionary measures of the material for core and post-processing fire incident for researching and developing high efficiency particulate air filter are formulated.
Description
Technical field
The invention belongs to nuclear technology fields, and in particular to a kind of device and the side of the blocking of simulation steam and corrosion filter
Method.
Background technique
Spentnuclear fuel reprocessing plant is the recycling for realizing nuclear fuel, and is conducive to the processing of nuclear waste properly disposed
Factory is an important link for realizing nuclear fuel closed cycle.Purex process (Purex) is to use tributylphosphate process
A kind of chemical process that uranium, plutonium are recycled from rradiated nuclear fuel, is most effective now, most successful post-processing process.
Pulsed column is also known as extraction column in reprocessing plant, can be by uranium and plutonium in spentnuclear fuel lysate, by way of extraction
It separates, is to post-process link particularly important in Purex flow.Solution in pulsed column is mixed by kerosene-tributyl phosphate
Bonding solvent and nitric acid/nitrate solution composition.Assuming that cut occurs in pulsed column, internal solution is all leaked, encounter fire source or
Reaching certain temperature just can ignite.It can directly or indirectly influence security-related buildings or structures, system and component
It is on fire.
Due to narrow space, once fire occurs, ambient temperature is risen rapidly.At high temperature, in the middle part of the solution leaked out
Kerosene and tributyl phosphate is divided to evaporate, kerosene and tributyl phosphate pyrolysis generate volatile vapors and nitric acid high temperature point
Nitrogen oxides is solved, these steam and gas and vapor form acid mixed vapour, during flue flowing, gradually drop
Temperature condensation forms droplet.When by smoke filter, it can adhere in the filter, to block filter, cause
Flue gas cannot be discharged in time so that flue over-voltage, so that filter, which deforms, even destroys filter, and contains active
Aerosol can be discharged into environment.In addition, these drops of attachment on the filter can corrode in acid and strong oxidizing property
Filter leads to filter failure, is finally released into environment containing radioactive aerosol.
Therefore, it is necessary to which the device and method for having invented a kind of blocking of simulation steam and corrosion filter, carry out reality to it
Research is tested, relevant underlying parameter is obtained, and is used to research and develop the material for core of high efficiency particulate air filter and post-processes the pre- of fire incident
Anti- measure is formulated.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide a kind of blockings of simulation steam and corrosion filtering
The device and method of device, the process of the blocking of analog steam and corrosion filter, apply to experimental study, can obtain relevant base
Plinth parameter, and the precautionary measures of the material for core and post-processing fire incident for researching and developing high efficiency particulate air filter are formulated.
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of simulation steam blocking and corrosion filter
Device, described device include steam generation control module, flow velocity and condensation module, data acquisition and processing (DAP) module and filter
Test module；
The steam generation control module includes steam generator and power governor；
The flow velocity and condensation module include sequentially connected heating hose, constant flow pump and condenser pipe, constant flow pump and condensation
Pass through pressure-resistant glass tube connection between pipe；
The flow velocity and condensation module first end are connect by heating hose with steam generation control module, and second end passes through
Condenser pipe is connect with data acquisition and processing (DAP) module first end, and data acquisition and processing (DAP) module second end passes through pressure-resistant glass tube and connects
The filter test module connect.
Further, described device further includes air filter, and the air filter first end is air inlet, second end
The steam generator is connected by pressure-resistant glass tube.
Further, described device further includes vent gas treatment module, and the vent gas treatment module first end passes through glass tube
The filter test module is connected, second end is gas outlet.
Further, the data acquisition and processing (DAP) module includes temperature, pressure, the test instrumentation of flow velocity and data acquisition
Device.
Further, replaceable filter element in the filter test module, the filter core are glass fibre, active carbon, wash
Synthetic fibre fiber or wire mesh.
The another technical solution that the present invention uses is: a method of the blocking of simulation steam and corrosion filter, it is described
Method the following steps are included:
(1) default filter core will be installed in filter test module；
(2) take the predetermined solution of preset vol that steam generation control module is added, until the solution and steady-state evaporation；
(3) start constant flow pump, be adjusted to preset flow rate, the steam of steam generator is accessed by perseverance using heating hose
Stream pump；
(4) data collector automatically records test data, and experiment terminates to remove the filter core further analysis processing of filter.
Further, predetermined solution is water, nitric acid solution, kerosene, tributyl phosphate solution, butanol solution or ethyl acetate
At least one of solution.
Further, the filter core is glass fibre, polypropylene fiber, polyester fiber, foamed plastics, active carbon and wire
Any one in net.
Further, further analysis processing specifically includes filter core in step (4):
By weight change of the filter element before and after electronic balance test experiments, filter is analyzed to the absorption energy of steam
Power；
The structure change that filter experiment front and back is observed using modes such as optical microscopy, scanning electron microscope, analyzes steam pair
The corrosion condition of filter.
Further, available physical parameter includes gas temperature, gas pressure, gas in channel after the completion of experiment
The gain in weight of flow velocity and filter.
Effect of the invention is that using device and method of the present invention, analog difference vapor composition, different steamings
Influence of the steam to filter under vapour concentration, different rate of venting, also the filter effect of analog difference material for core steam and
The case where different filter core thickness steam blocking filters, is applied to experimental study, relevant underlying parameter can be obtained, be used in combination
It is formulated in the material for core of research and development high efficiency particulate air filter and the precautionary measures of post-processing fire incident.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of device of the present invention；
Fig. 2 is the Technology Roadmap of one embodiment of the method for the invention；
Fig. 3 is the flow diagram of one embodiment of the method for the invention.
In figure: 1- exhaust gas processing device；2- can load the filter of different experiments filter core；The survey of 3- temperature, pressure, flow velocity
Try instrument；4- data collector；5- condenser pipe；6- pressure resistance glass tube；7- constant flow pump；8- heats hose；9- steam generator；
10- power governor；11- air filter.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing.Obviously, described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to the scope of protection of the invention.
As shown in fig.1, Fig. 1 is the structural schematic diagram of one embodiment of device of the present invention.Described device includes: steam
Control module, flow velocity and condensation module, data acquisition and processing (DAP) module and filter test module occurs.
The steam generation control module includes steam generator 9 and power governor 10.Steam generator 9 can be stored
The solution of various experiments, such as discharge water, nitric acid solution, kerosene, tributyl phosphate, butanol or ethyl acetate.Power governor
10 can carry out heating evaporation to the solution in steam generator 9, by the yield for adjusting the power level adjustable steam.
The flow velocity and condensation module include sequentially connected heating hose 8, constant flow pump 7 and condenser pipe 5,7 He of constant flow pump
It is connected between condenser pipe 5 by pressure-resistant glass tube 6.For extracting the steam generated in steam generator 9 when constant flow pump 7 starts,
The air velocity in the power controllable pressure resistance glass tube 6 of constant flow pump 7 is adjusted simultaneously.It is soft using heating for the steam easily condensed
Pipe 8 conveys, and prevents steam from directly condensing in pipeline.It is cooled for the steam for being not easy to condense using condenser pipe 5.
The flow velocity and condensation module first end are connect by heating hose 8 with steam generation control module, and second end is logical
It crosses condenser pipe 5 to connect with data acquisition and processing (DAP) module first end, data acquisition and processing (DAP) module second end passes through pressure-resistant glass
The filter test module that pipe 6 connects.
Described device further includes air filter 11, and 11 first end of air filter is air inlet, and second end passes through
Pressure-resistant glass tube 6 connects the steam generator 9.Air filter 11 can device avoid being interfered by outside air and prevent steam
Steam escapes in generator 9.
Described device further includes vent gas treatment module 1, and 1 first end of vent gas treatment module passes through described in glass tube connection
Filter test module, second end are gas outlet.Through the exhaust gas of filter 2 after the processing of vent gas treatment module 1, reach air
Discharge standard is discharged into air.The data acquisition and processing (DAP) module includes that temperature, pressure, the test instrumentation 3 of flow velocity and data are adopted
Storage 4.Include thermometer, current meter and pressure gauge equipped with test instrumentation 3 in filter test module front end.Steam flows through this
Place, can be monitored in real time the pressure in the temperature and flow velocity and pipeline of steam by data collector 4.Pass through analysis conduit pressure
The stopping state of the situation of change analysis filter 2 of power.
The filter test module is the filter 2 that can load different experiments filter core.In the filter test module
Replaceable filter element, the filter core are glass fibre, active carbon, polyester fiber or wire mesh etc..Experiment front and back, using electronics day
Flat test weight change, absorbability of the analysis filter 2 to steam.Experiment front and back, can be used optical microscopy, scanning electron microscope
Etc. modes observe the structure change of filter 2, to analyze steam to the corrosion condition of filter.
Described device experiment flow is that when experiment starts, steam generator 9 generates a large amount of steam, in the band of constant flow pump 7
Under dynamic, air is mixed by air filter 11 with steam, subsequently into conveyance conduit, is cooled down using condenser pipe 5, most
End form at droplet be covered on 2 surface of filter, thus blocking and corrosion filter 2, and the gas filtered out is most afterwards through tail
Flash Gas Compression Skid System 1 emits.
It is different from the prior art, a kind of device of the blocking of simulation steam and corrosion filter provided by the invention, the device
Compact to design, the process of the blocking of analog steam and corrosion filter applies to experimental study, can obtain relevant basis ginseng
Number, and the precautionary measures of the material for core and post-processing fire incident for researching and developing high efficiency particulate air filter are formulated.
Method provided by the invention is the experiment for different material for core, and experimental variable includes that vapor composition, steam are dense
Degree, constant current flow rate pump, test parameter includes stream pressure, gas flow rate, gas flow temperature, the mass change of filter and filter
Structure change.
It is the Technology Roadmap of one embodiment of the method for the invention refering to Fig. 2-3, Fig. 2, Fig. 3 is the method for the invention
The flow diagram of one embodiment.It the described method comprises the following steps:
Step 101: default filter core will be installed in filter test module.
The filter test module is the filter 2 that can load different experiments filter core.In the filter test module
Replaceable filter element, the filter core are in glass fibre, polypropylene fiber, polyester fiber, foamed plastics, active carbon and wire mesh
Any one.
Further include accessing cooling water to condenser pipe before experiment starts, check related equipment, checks whether normal.
Step 102: taking the predetermined solution of preset vol that steam generation control module is added, until the solution and stable steaming
Hair.
Specifically the predetermined solution of preset vol is added in the steam generator of steam generation control module.Predetermined solution
It can be at least one of water, nitric acid solution, kerosene, tributyl phosphate solution, butanol solution or ethyl acetate solution.
For example, in a specific embodiment, predetermined solution can be nitric acid solution.In other embodiments, it presets
Solution may be the mixture of nitric acid solution and kerosene.
Step 103: starting constant flow pump is adjusted to preset flow rate, using heating hose by the steam of steam generator
Access constant flow pump.
It is using heating hose that energy in steam generator is steady in order to simulate influence of the different rate of venting steam to filter
Surely the steam access constant flow pump evaporated, then constant flow pump is adjusted to preset flow rate.
Step 104: data collector automatically records test data, and the filter core that experiment terminates to remove filter is further analyzed
Processing.
The filter core of filter is further analyzed specifically: by weight of the filter element before and after electronic balance test experiments
Amount variation, absorbability of the analysis filter to steam.Filter experiment is observed using modes such as optical microscopy, scanning electron microscope
The structure change of front and back, corrosion condition of the analysis steam to filter.
After experiment, cleaning equipment arranges data, is analyzed, and is summarized as laboratory report.It can after the completion of experiment
Obtained physical parameter includes the gain in weight of gas temperature in channel, gas pressure, gas flow rate and filter.
For the experiment of different material for core, experimental variable is adjusted, realizes different experiment purposes.It is mentioned using the present invention
It is as follows that the method for confession specifically can analyze content: (1) in ventilation process the case where different vapor composition blocking filters；(2) no
With under vapour concentration, influence of the steam to filter；(3) influence of the different rate of venting steam to filter；(4) different filter cores
Filter efficiency of the filter of material to steam；(5) the case where different filter core thickness, steam blocks filter；(6) different steam
Corrosion condition of the ingredient to different material for core.
It is different from the prior art, the method for the blocking of simulation steam and corrosion filter provided by the invention, analog is different
Influence of the steam to filter under vapor composition, different vapour concentrations, different rate of venting, also analog difference material for core steam
The case where filter effect of vapour and different filter core thickness steam blocking filter, is applied to experimental study, correlation can be obtained
Underlying parameter, and for research and develop high efficiency particulate air filter material for core and post-processing fire incident precautionary measures formulate.
It will be understood by those skilled in the art that device and method of the present invention are not limited to institute in specific embodiment
The embodiment stated, specific descriptions above are intended merely to explain the purpose of the present invention, are not intended to limit the present invention.This field skill
Art personnel can derive other implementation manners according to the technical scheme of the present invention, and also belong to the scope of the technical innovation of the present invention, this
The protection scope of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of device of the blocking of simulation steam and corrosion filter, which is characterized in that described device includes: steam generation control
Module, flow velocity and condensation module, data acquisition and processing (DAP) module and filter test module；
The steam generation control module includes steam generator and power governor；
The flow velocity and condensation module include sequentially connected heating hose, constant flow pump and condenser pipe, constant flow pump and condenser pipe it
Between pass through pressure-resistant glass tube connection；
The flow velocity and condensation module first end are connect by heating hose with steam generation control module, and second end passes through condensation
Pipe is connect with data acquisition and processing (DAP) module first end, and data acquisition and processing (DAP) module second end passes through pressure-resistant glass tube connection
Filter test module.
2. a kind of device of the blocking of simulation steam and corrosion filter according to claim 1, which is characterized in that
Described device further includes air filter, and the air filter first end is air inlet, and second end passes through pressure-resistant glass
Pipe connects the steam generator.
3. a kind of device of the blocking of simulation steam and corrosion filter according to claim 1, which is characterized in that
Described device further includes vent gas treatment module, and the vent gas treatment module first end connects the filter by glass tube
Test module, second end are gas outlet.
4. a kind of device of the blocking of simulation steam and corrosion filter according to claim 1, which is characterized in that
The data acquisition and processing (DAP) module include temperature, pressure, flow velocity test instrumentation and data collector.
5. a kind of device of the blocking of simulation steam and corrosion filter according to claim 1, which is characterized in that the filtering
Replaceable filter element in device test module, the filter core are glass fibre, active carbon, polyester fiber or wire mesh.
6. a kind of method of the blocking of simulation steam and corrosion filter, which is characterized in that the described method comprises the following steps:
(1) default filter core will be installed in filter test module；
(2) take the predetermined solution of preset vol that steam generation control module is added, until the solution and steady-state evaporation；
(3) start constant flow pump, be adjusted to preset flow rate, the steam of steam generator is accessed by constant current using heating hose
Pump；
(4) data collector automatically records test data, and experiment terminates to remove the filter core further analysis processing of filter.
7. a kind of method of the blocking of simulation steam and corrosion filter according to claim 6, which is characterized in that predetermined solution
For at least one of water, nitric acid solution, kerosene, tributyl phosphate solution, butanol solution or ethyl acetate solution.
8. a kind of method of the blocking of simulation steam and corrosion filter according to claim 6, which is characterized in that the filter core
For any one in glass fibre, polypropylene fiber, polyester fiber, foamed plastics, active carbon and wire mesh.
9. a kind of method of the blocking of simulation steam and corrosion filter according to claim 6, which is characterized in that step (4)
Further analysis processing specifically includes middle filter core:
By weight change of the filter element before and after electronic balance test experiments, filter is analyzed to the absorbability of steam；
The structure change that filter experiment front and back is observed using modes such as optical microscopy, scanning electron microscope analyzes steam to filtering
The corrosion condition of device.
10. a kind of method of the blocking of simulation steam and corrosion filter according to claim 6, which is characterized in that tested
It include the gain in weight of gas temperature in channel, gas pressure, gas flow rate and filter at rear available physical parameter.
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| CN201811100223.XA CN109300564B (en) | 2018-09-20 | 2018-09-20 | Device and method for simulating steam blocking and corrosion of filter |
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|---|---|---|---|
| CN201811100223.XA CN109300564B (en) | 2018-09-20 | 2018-09-20 | Device and method for simulating steam blocking and corrosion of filter |
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| CN109300564B CN109300564B (en) | 2022-11-18 |
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