CN107096640A - A kind of electrostatic precipitation integrated apparatus - Google Patents
A kind of electrostatic precipitation integrated apparatus Download PDFInfo
- Publication number
- CN107096640A CN107096640A CN201710464961.1A CN201710464961A CN107096640A CN 107096640 A CN107096640 A CN 107096640A CN 201710464961 A CN201710464961 A CN 201710464961A CN 107096640 A CN107096640 A CN 107096640A
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- China
- Prior art keywords
- exhaust gases
- gases passes
- flue gas
- electron beam
- electric field
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
Abstract
The invention discloses a kind of electrostatic precipitation integrated apparatus, including：Exhaust gases passes；Housing, the housing includes air inlet and the electric field dust arrester being arranged in the housing, and the air inlet is connected with the exhaust gases passes；It is arranged between the exhaust gases passes and the air inlet, and the electron accelerator irradiation system being connected with the exhaust gases passes, the electron accelerator irradiation system is by discharging electron beam to irradiate the flue gas in the exhaust gases passes, and the flue gas after being illuminated is entered in the housing by air inlet.Electrostatic precipitation integrated apparatus disclosed by the invention can either reduce the ratio resistance of dust, improve efficiency of dust collection, and operating cost and the environmental pollution of reduction dedusting can be greatly improved again.
Description
Technical field
The present invention relates to technical field of environment protection equipment, more particularly to a kind of electrostatic precipitation integrated apparatus.
Background technology
In order to tackle the environmental problem that high pollution is brought, country dust emission concentration is proposed it is increasingly stricter will
Ask.In order to realize the discharge of dust lower concentration, enterprise needs the more preferable cleaner of performance and dedusting technology.Wherein more
Common dedusting technology is flue gas conditioning technology, and SO is exactly added into flue gas3、H2O or NH3Material, to improve leading for dust
Electrically, making the ratio resistance of dust reduces, it is to avoid the generation of inverse corona problem, to improve efficiency of dust collection.
In traditional flue gas conditioning dedusting technology, SO3Source usually generate SO using after sulfur burning at the scene2, then
SO is generated after carrying out high-temperature S removal3Process produce.Although this mode can reduce dust to a certain extent
Ratio resistance, improves efficiency of dust collection, but produce SO3Operating cost it is higher and more serious to the pollution of environment.
Therefore, how a kind of electrostatic precipitation integrated apparatus is provided, the ratio resistance of dust can either be reduced, dedusting effect is improved
Rate, the operating cost and environmental pollution that reduction dedusting can be greatly improved again is that the technology of those skilled in the art's urgent need to resolve is asked
Topic.
The content of the invention
In view of this, it is an object of the invention to provide a kind of electrostatic precipitation integrated apparatus, dust can either be reduced
Ratio resistance, improves efficiency of dust collection, and operating cost and the environmental pollution of reduction dedusting can be greatly improved again.
To achieve the above object, the present invention provides following technical scheme：
A kind of electrostatic precipitation integrated apparatus, including：
Exhaust gases passes；
Housing, the housing includes air inlet, gas outlet and the electric field dust arrester that is arranged in the housing, it is described enter
Gas port is connected with the exhaust gases passes；
It is arranged between the exhaust gases passes and the air inlet, and the electron accelerator being connected with the exhaust gases passes
Irradiation system, the electron accelerator irradiation system by discharging electron beam to irradiate the flue gas in the exhaust gases passes, by spoke
The electric field dust arrester that flue gas according to after is entered in the housing by air inlet.
It is preferred that, in addition to ammonia input system, the ammonia input system includes ammonia input channel, and the ammonia is defeated
Enter pipeline to be arranged between the air inlet and the electric field dust arrester, ammonia input channel output ammonia is with by ammonia
Mixed with the flue gas entered from the air inlet.
It is preferred that, the electron accelerator irradiation system includes electron accelerator, the electron accelerator and the flue gas
Passage is connected to inject electron beam in the exhaust gases passes.
It is preferred that, in addition to the incident annular seal space of electron beam, the electron accelerator and the incident annular seal space company of the electron beam
Logical, the incident annular seal space of the electron beam is connected with the exhaust gases passes, and the electron beam that the electron accelerator is produced passes through institute
The incident annular seal space of electron beam is stated to inject in the exhaust gases passes.
It is preferred that, in addition to cooling system, the cooling system includes blast pipe, blower fan and discharge pipe, the blast pipe
One end connected with the exhaust gases passes, the incident annular seal space of the other end and the electron beam is connected, described discharge pipe one end and institute
The incident annular seal space connection of electron beam is stated, the other end is connected with the exhaust gases passes, and the blower fan will be described by the blast pipe
Flue gas in exhaust gases passes is delivered in the incident annular seal space of the electron beam, and will be delivered to the electronics by the discharge pipe
Flue gas in beam incidence annular seal space is transmitted back to the exhaust gases passes again.
It is preferred that, the electric field dust arrester includes the import set gradually along the shell air inlet and gas outlet direction
It is airflow-distribution board, multiple from electric field dust arrester, main electric field dust arrester and exit flow distribution grid.
It is preferred that, the air inlet of the housing is provided with diffuser, and the inlet air flow distributing plate is arranged on the diffusion
Duan Zhong, the gas outlet of the housing is provided with contraction section, and the exit flow distribution grid is arranged in the contraction section.
It is preferred that, it is provided with and described is filled respectively with each from electric field dust arrester with the main electric field dedusting on the housing
Put corresponding multiple back taper ash buckets.
It is preferred that, the inlet air flow distributing plate is N~+ implantation carbon steel sheet.
It is preferred that, the inlet air flow distributing plate is using three layers of perforated plate construction, and every layer of percent opening is 30%~50%,
And the diameter in each hole is not less than 50mm.
As can be seen from the above technical solutions, the electrostatic precipitation integrated apparatus that the present invention is provided, including exhaust gases passes, shell
Body, housing includes air inlet and the electric field dust arrester being arranged in housing, and air inlet is connected with exhaust gases passes, is arranged on flue gas
Between passage and air inlet, and the electron accelerator irradiation system being connected with exhaust gases passes, electron accelerator irradiation system is led to
Release electron beam is crossed to irradiate the flue gas in exhaust gases passes, the flue gas after being illuminated is entered in housing by air inlet, the present invention
The form of electron beam is discharged using electron accelerator irradiation system, the flue gas before entering housing is irradiated, flue gas is gathered
Collection is in exhaust gases passes, and to avoid the excessive pollution to environment, electron accelerator irradiation system is connected with exhaust gases passes, with maximum
Degree by a part of SO carried in flue gas2It is oxidized to SO3So as to improve the electric conductivity of dust, the ratio resistance of dust is reduced, is kept away
Exempt from the generation of inverse corona problem, while the electric field dust arrester being arranged in housing carries out dedusting to flue gas again.
Therefore the electrostatic precipitation integrated apparatus that the present invention is provided, can either reduce the ratio resistance of dust, improve dedusting effect
Rate, can greatly improve operating cost and the environmental pollution of reduction dedusting again.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it is clear that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of the electrostatic precipitation integrated apparatus disclosed in the embodiment of the present invention.
Reference is as follows：
1- exhaust gases passes, 2- housings, 3- air inlets, 4- ammonia input channels, 5- electron accelerators, 6- electron beam incidences are close
Seal chamber, 7- blast pipes, 8- blower fans, 9- discharge pipes, 10- gas outlets, 11- inlet air flow distributing plates, 12- from electric field dust arrester,
The main electric field dust arresters of 13-, 14- exit flow distribution grids, 15- diffusers, 16- contraction sections, 17- back taper ash buckets.
Embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is the structural representation of the electrostatic precipitation integrated apparatus disclosed in the embodiment of the present invention；
A kind of electrostatic precipitation integrated apparatus provided by the present invention includes：Exhaust gases passes 1, the effect of exhaust gases passes 1 is
The passage flowed into for fume centralized in housing 2 is formed, the pollution of flue gas diffusion couple environment, the opposing party on the one hand can be prevented
Face can concentrate flue gas, preferably to carry out preamble processing to flue gas；
Housing 2, housing 2 includes air inlet 3 and the electric field dust arrester being arranged in housing 2, air inlet 3 and exhaust gases passes
1 connection, the effect of housing 2 is to form the processing environment that dust removal process or modifier treatment are carried out to flue gas, while to being arranged on
Electric field dust arrester and other equipment in it are protected；
Electron accelerator irradiation system is arranged between exhaust gases passes 1 and air inlet 3, and is connected with exhaust gases passes 1, electricity
Sub- accelerator irradiation system, to irradiate the flue gas in exhaust gases passes 1, utilizes electron accelerator irradiation system by discharging electron beam
The form of electron beam is discharged, electronics of the injection with certain energy into exhaust gases passes 1, with to the flue gas before entrance housing 2
Irradiated, so that free radical (H of the generation with strong oxidizing property in flue gas+,O2-,OH-,N3+Deng), these free radicals again will
SO in flue gas2It is oxidized to SO3, electron accelerator irradiation system is connected with exhaust gases passes 1, can be farthest by flue gas
The SO carried2It is oxidized to SO3So as to improve the electric conductivity of dust, the ratio resistance of dust is reduced, it is to avoid the generation of inverse corona problem,
Flue gas after being illuminated is entered in housing 2 by air inlet 3, electric field dust arrester and other equipment in by housing 2
Carry out flue gas and carry out dust removal process.
Further, the efficiency of dust collection of device in order to better improve, in one particular embodiment of the present invention, electrostatic
Dust removal integrated plant also includes ammonia input system, and ammonia input system includes ammonia input channel 4, can also set ammonia
Source, ammonia source is connected with ammonia input channel 4, and preferably to provide ammonia, ammonia input channel 4 is arranged on air inlet 3 and electricity
Between the dust arrester of field, in the downstream of flue gas, flue gas enters before the electric field dust arrester in housing 2, passes through reasonable Arrangement ammonia
Gas input channel 4, to reach that the ammonia that ammonia input channel 4 is exported can be sufficiently mixed with the flue gas entered from air inlet 3, enters
And the ratio resistance of dust is reduced, efficiency of dust collection is improved, is realized to the dual quenched of flue gas, it is necessary to which explanation is ammonia output channel
The ammonia of output is nearly molecular state, can also take the mode of injection, as long as identical technique effect can be reached, also
It should be noted that ammonia input channel 4 can be arranged in housing 2, can also be arranged on outside housing 2, if be arranged on into
Between gas port 3 and electric field dust arrester, flue gas enters before the electric field dust arrester in housing 2, and reaches identical technology i.e.
Can.
It is specific dual quenched to be：
First resets matter：That is SO2It is quenched, the form of electron beam is discharged using electron accelerator irradiation system, it is logical to flue gas
Electronics of the injection with certain energy in road 1, to be irradiated to the flue gas before entering housing 2, so as to be generated in flue gas
Free radical (H with strong oxidizing property+,O2-,OH-,N3+Deng), these free radicals are again by the SO in flue gas2It is oxidized to SO3, SO3With
Water molecules in flue gas can form H2SO4Molecule, H2SO4Molecule by ash surface pore in flue gas hole wall
Power, electrostatic force etc. are acted on, and are adsorbed and are condensed in these pores, then expand to ash surface, form liquid film, ash surface
Contained soluble metal ion will be dissolved in liquid film, in the presence of the electric field force of electric field dust arrester, be dissolved in the ion in film
Using film as medium, fast transferring transmits electric charge, charged and electric field force the effect of dust can be improved, to improve efficiency of dust collection.
Second resets matter：I.e. ammonia is quenched, in the first heavy SO2On the basis of quenched, to electric field dust arrester will be entered
Flue gas in spray into micro ammonia steam, NH3Molecule and H2SO4Molecule can generate NH with chemical combination4HSO4, ammonia and its compound energy
Space charge and breakdown voltage in electric field are enough improved, strengthens working voltage, back corona phenomenon is eliminated, made also with dust coalescence
With reentrainment of dust can be reduced, so as to greatly improve the operating efficiency of electric field dust arrester.
In addition, the amount of flow of ammonia and sulfur trioxide will also directly affect the efficiency of dust collection of dust arrester, carried in the present invention
In the electrostatic precipitation integrated apparatus of confession, specifically, the SO that electron beam irradiation flue gas is produced3It is corresponding when concentration reaches 8ppm
The electron-beam dose that flue gas is received about 50Gy, now according to SO3Concentration can adjust ammonia input channel spray into ammonia
Concentration also for 8ppm with realize joint it is quenched.In the flue gas of unit volume, according to the difference of required equipment, and actual life
The need for production. art, by adjusting the dense of the sulfur trioxide that the electron beam irradiation flue gas of electron accelerator irradiation system generation is produced
The concentration of degree and corresponding ammonia, can cause the efficiency of dust collection of electrostatic precipitation integrated apparatus to greatly increase.
Further, in order to preferably provide the electron beam with energy, electron accelerator irradiation system adds including electronics
Fast device 5, electron accelerator 5 is connected quickly to inject electron beam in exhaust gases passes 1 with exhaust gases passes 1.
Further, in order to preferably by electron beam precisely and quickly inject exhaust gases passes 1 in, electron accelerator spoke
Lighting system also includes the incident annular seal space 6 of electron beam, and electron accelerator 5 is connected with the incident annular seal space 6 of electron beam, and electron beam incidence is close
Envelope chamber 6 is connected with exhaust gases passes 1, and the electron beam that electron accelerator 5 is produced is injected flue gas by the incident annular seal space 6 of electron beam and led to
In road 1, electron beam incidence annular seal space 6 needs to make electronics pass through cavity to enter flue gas, at the same also need to keep sealing and
Shielding, be able to will more be worked under conditions of oxidisability, it is therefore preferred that being made using stainless steel material for a long time.
Further, because electronics by the incident annular seal space 6 of electron beam can lose portion of energy, so electron beam annular seal space
Certain heat can be produced, therefore electron accelerator irradiation system also includes cooling system, cooling system includes blast pipe 7, wind
Machine 8 and discharge pipe 9, one end of blast pipe 7 are connected with exhaust gases passes 1, and the other end is connected with the incident annular seal space 6 of electron beam, air-out
The one end of pipe 9 is connected with the incident annular seal space 6 of electron beam, and the other end is connected with exhaust gases passes 1, and blower fan 8 is led to flue gas by blast pipe 7
Flue gas in road 1 is delivered in the incident annular seal space 6 of electron beam, and will be delivered in the incident annular seal space 6 of electron beam by discharge pipe 9
Flue gas be transmitted back to exhaust gases passes 1 again, specifically, the air quantity by controlling blower fan 8, makes the temperature of the flue gas of this part cooling
It is maintained in certain scope, flue gas on the one hand can be caused preferably to receive the energy of electron beam, on the other hand also cause cigarette
Gas does not produce unexpected pollutant because temperature change is excessively strong.
Further, in order to ensure the dust removing effects and efficiency of electric field dust arrester, electric field dust arrester is included along housing 2
Air inlet 3 and the inlet air flow distributing plate 11, multiple from electric field dust arrester 12, main electric field that sets gradually of the direction of gas outlet 10
Dust arrester 13 and exit flow distribution grid 14, powered dust is by from electric field dust arrester 12 and main electric field dust arrester 13
Electric field action dust is adsorbed, the effect from electric field dust arrester 12 is to carry out preliminary treatment to the flue gas of dust-laden, its
Can be the polar-plate-type electric field dust arrester sold on existing market, main electric field dust arrester 13 can also be using Mobile pole plate electricity
Field dust arrester, in order to reduce reentrainment of dust, Mobile pole plate electric field dust arrester does not use beater deashing, but uses brush
Deashing, this can be effectively reduced the reentrainment of dust of rapping generation, improve the collecting effect to ammonium sulfate fine dust, so that
Ensure electrostatic precipitator has high efficiency of dust collection, it is necessary to illustrate, in the prior art, main electric field dust arrester 13
Be provided with the main control device of electric field for controlling its work, each from electric field dust arrester 12 be also equipped with controlling its work from electric field
Controller.
Further, flue gas enters housing 2 and exported from housing 2 for convenience, and the air inlet 3 of housing 2 is provided with expansion
Section 15 is dissipated, the gas outlet 10 of housing 2 is provided with contraction section 16, and inlet air flow distributing plate 11 is arranged in diffuser 15, worked off one's feeling vent one's spleen
Flow point fabric swatch 14 is arranged in contraction section 16.It should be noted that the flue gas with coarse powder dirt is flowing through inlet air flow distributing plate
When 11, the abrasion of inlet air flow distributing plate 11 can be accelerated.In order to increase the wearability of inlet air flow distributing plate 11, flue gas is kept
Uniformity, makes the electrostatic precipitator of the technical program keep long-term stabilised efficiency, the inlet air flow distribution of the technical program
Plate 11 can be made of N~+ implantation carbon steel material, specifically, in order to further reduce abrasion, inlet air flow distributing plate 11
The multi-layer porous plate of use (layer 2-4), preferably three layers porous plate, percent opening is preferably 30%~50%, and diameter is not small
In 50mm.
Further, be provided with the collection of dust for convenience, housing 2 respectively with it is each from electric field dust arrester 12 and
The corresponding multiple back taper ash buckets 17 of main electric field dust arrester 13, the dust after absorption is swept, and then fall into by brush
To corresponding back taper ash bucket 17.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of electrostatic precipitation integrated apparatus, it is characterised in that including：
Exhaust gases passes；
Housing, the housing includes air inlet, gas outlet and the electric field dust arrester being arranged in the housing, the air inlet
Connected with the exhaust gases passes；
It is arranged between the exhaust gases passes and the air inlet, and the electron accelerator irradiation being connected with the exhaust gases passes
System, the electron accelerator irradiation system by discharging electron beam to irradiate the flue gas in the exhaust gases passes, after being illuminated
Flue gas by air inlet enter the housing in the electric field dust arrester.
2. electrostatic precipitation integrated apparatus as claimed in claim 1, it is characterised in that described also including ammonia input system
Ammonia input system includes ammonia input channel, and the ammonia input channel is arranged on the air inlet and electric field dedusting dress
Between putting, the ammonia input channel exports ammonia to mix ammonia with the flue gas entered from the air inlet.
3. electrostatic precipitation integrated apparatus as claimed in claim 1, it is characterised in that the electron accelerator irradiation system bag
Electron accelerator is included, the electron accelerator is connected to inject electron beam in the exhaust gases passes with the exhaust gases passes.
4. electrostatic precipitation integrated apparatus as claimed in claim 3, it is characterised in that also including the incident annular seal space of electron beam,
The electron accelerator is connected with the incident annular seal space of the electron beam, the incident annular seal space of the electron beam and the exhaust gases passes phase
Connection, the electron beam that the electron accelerator is produced is injected in the exhaust gases passes by the incident annular seal space of the electron beam.
5. electrostatic precipitation integrated apparatus as claimed in claim 4, it is characterised in that also including cooling system, the cooling
System includes blast pipe, blower fan and discharge pipe, and one end of the blast pipe is connected with the exhaust gases passes, the other end and the electricity
Beamlet incidence annular seal space connection, described discharge pipe one end is connected with the incident annular seal space of the electron beam, the other end and the flue gas
Passage is connected, and the flue gas in the exhaust gases passes is delivered to the electron beam incidence by the blast pipe and sealed by the blower fan
Intracavitary, and the flue gas being delivered in the incident annular seal space of the electron beam is transmitted back to by the flue gas by the discharge pipe again led to
Road.
6. electrostatic precipitation integrated apparatus as claimed in claim 1, it is characterised in that the electric field dust arrester is included along institute
State inlet air flow distributing plate that shell air inlet and gas outlet direction set gradually, multiple removed from electric field dust arrester, main electric field
Dirt device and exit flow distribution grid.
7. electrostatic precipitation integrated apparatus as claimed in claim 6, it is characterised in that the air inlet of the housing is provided with expansion
Dissipate section, the inlet air flow distributing plate is arranged in the diffuser, the gas outlet of the housing is provided with contraction section, it is described go out
Mouth airflow-distribution board is arranged in the contraction section.
8. electrostatic precipitation integrated apparatus as claimed in claim 6, it is characterised in that be provided with the housing respectively with often
It is individual described from the electric field dust arrester multiple back taper ash buckets corresponding with the main electric field dust arrester.
9. electrostatic precipitation integrated apparatus as claimed in claim 7, it is characterised in that the inlet air flow distributing plate be nitrogen from
Son injection carbon steel sheet.
10. electrostatic precipitation integrated apparatus as claimed in claim 9, it is characterised in that the inlet air flow distributing plate is used
Three layers of perforated plate construction, every layer of percent opening is 30%~50%, and the diameter in each hole is not less than 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464961.1A CN107096640A (en) | 2017-06-19 | 2017-06-19 | A kind of electrostatic precipitation integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464961.1A CN107096640A (en) | 2017-06-19 | 2017-06-19 | A kind of electrostatic precipitation integrated apparatus |
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| CN107096640A true CN107096640A (en) | 2017-08-29 |
Family
ID=59659527
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| CN201710464961.1A Pending CN107096640A (en) | 2017-06-19 | 2017-06-19 | A kind of electrostatic precipitation integrated apparatus |
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| CN202262020U (en) * | 2011-08-04 | 2012-05-30 | 舟山雷大电子科技有限公司 | Titanium window side blowing cooling device of electronic accelerator |
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Application publication date: 20170829 |
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