CN108535066A - A kind of detection sampling platform of the civilian Discharged form Coal Combustion factor - Google Patents
A kind of detection sampling platform of the civilian Discharged form Coal Combustion factor Download PDFInfo
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- CN108535066A CN108535066A CN201810506921.3A CN201810506921A CN108535066A CN 108535066 A CN108535066 A CN 108535066A CN 201810506921 A CN201810506921 A CN 201810506921A CN 108535066 A CN108535066 A CN 108535066A
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- Prior art keywords
- sampling
- channel
- flue dust
- civilian
- dust cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005070 sampling Methods 0.000 title claims abstract description 66
- 239000003245 coal Substances 0.000 title claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000010790 dilution Methods 0.000 claims abstract description 67
- 239000012895 dilution Substances 0.000 claims abstract description 67
- 239000003500 flue dust Substances 0.000 claims abstract description 56
- 239000012528 membrane Substances 0.000 claims abstract description 16
- 230000003189 isokinetic effect Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 9
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 24
- 239000004449 solid propellant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of detection sampling platforms of the civilian Discharged form Coal Combustion factor,The platform includes platform balance,Domestic coal stove,Chimney,Flue dust cover,Dilution tunnel,Isokinetic sampling manages,Secondary dilution channel,Chamber,Empty end,Sampling channel,Vacuum pump,MFC control gas devices,Quartzy membrane filter,Wind turbine and exhaust gas evacuation pipe,The Domestic coal stove is placed on platform balance,Chimney one end is inserted on Domestic coal stove,The other end is inserted into flue dust cover,Dilution tunnel both ends are respectively connected to top and the wind turbine of flue dust cover,Fan outlet connects exhaust gas evacuation pipe,Isokinetic sampling's pipe both ends are separately connected the upper end at the middle part and secondary dilution channel of a dilution tunnel,There is the air by MFC control gas devices and quartzy membrane filter to enter the upper end in secondary dilution channel simultaneously,Its lower end be inserted with chamber and set there are one bypass,Bypass connection emptying end,Chamber bottom is connected to sampling channel,Sampling channel and emptying end are connected with vacuum pump.Qualified sample can be adopted with the present invention.
Description
Technical field
The present invention relates to a kind of detection sampling platform of burning and exhausting factor more particularly to a kind of civilian Discharged form Coal Combustion because
The detection sampling platform of son, belongs to Air Pollutant Emission factors check field.
Background technology
Coal is widely used as solid fuel for family's cooking and heating activity in China.Rural area and cities and towns suburbanite are more
It is burnt these solid fuels using domestic stove, domestic stove design is simple, incomplete combustion, lacks pollution control measures, combustion
A large amount of particulate matter and gaseous pollutants are generated when burning, such as sulfur dioxide and nitrogen oxides.Some of the contaminants are directly revealed or are arranged
Enter room air, influence residents ' health, or air is discharged by chimney and ventilating system, brings atmosphere pollution, harmful to human strong
Health.Accurately to test and assessing the pollutant of combustion process discharge, it need to fully consider civilian solid fuel and stove feature, establish
The test system that civilian solid fuel ignition atmosphere pollution can effectively be acquired, to research combustion mechanism, energy-saving and emission-reduction countermeasure and
Atmosphere pollution origin analysis is all of great significance.The research that civilian solid fuel ignition discharges pollutants is adopted more both at home and abroad
With petticoat pipe method and flue sampling method.Petticoat pipe method above stove or with above the chimney that stove is connect be arranged flue dust cover, in pipeline
Under fan action, the flue gas of generation of burning enters flue dust cover, dilution pipeline section together with surrounding air, to reach simulated flue gas into
Enter mixed diluting effect when air.Sampling pipe stretches into dilution pipeline section, and sampling head is parallel with airflow direction, and particulate matter passes through sampling
Sampling is realized in channel, and the design of sample mode, the configuration of sampling instrument equipment and construction, are to realize the emphasis accurately sampled.
Invention content
Technical problem to be solved by the invention is to provide a kind of detection sampling platforms of the burning and exhausting factor, solve existing
Deficiency in sampling technique improves the order of accuarcy of sampling.
The technical solution that the present invention solves above-mentioned technical problem is as follows：Including platform balance, Domestic coal stove, chimney, flue dust cover,
Dilution tunnel, isokinetic sampling's pipe, secondary dilution channel, chamber, emptying end, sampling channel, vacuum pump, MFC control gas devices,
Quartzy membrane filter, wind turbine and exhaust gas evacuation pipe.
Further, the Domestic coal stove is placed on platform balance, and chimney one end is connected on the Domestic coal stove, the other end
It is inserted into flue dust cover, a dilution tunnel both ends are separately connected top and the wind turbine of the flue dust cover, and the fan outlet connects useless
Gas evacuated tube, isokinetic sampling's pipe both ends are separately connected the upper end at the middle part and secondary dilution channel of a dilution tunnel, together
The gas outlet of Shi Shiying membrane filters is also connect with the upper end in the secondary dilution channel, the air inlet of the quartzy membrane filter
Mouth is connect with the gas outlet of MFC control gas devices, and the lower end in the secondary dilution channel connects chamber, the secondary dilution channel
Lower end is set there are one bypass, bypass connection emptying end, and the chamber bottom connects sampling channel, the sampling channel with
Emptying end is connected with vacuum pump.
Further, the flue dust of the Domestic coal stove discharge enters the chimney, enters back into the flue dust cover, described
Flue dust cover be in funnel-form, big mouth down.
Further, after the vacuum pump startup, flue dust enters with air from the flue dust cover described primary dilute
Channel is released, isokinetic sampling's pipe is entered back into, the secondary dilution channel is subsequently entered, subsequently into the stop
Then realize and sample that remaining flue dust passes through positioned at the secondary dilution channel floor after sampling by the sampling channel in room
The emptying end realization is bypassed into described in portion is discharged into air.
Further, air enters the quartzy membrane filter after controlling flow by the MFC control gas devices, then into
The upper end for entering the secondary dilution channel carries out secondary dilution to flue dust.
Further, the wind turbine starts before the vacuum pump startup, and the wind turbine makes flue dust and air exist
Turbulent closure scheme is formed in dilution tunnel, remaining exhaust gas is after the wind turbine through being arranged by exhaust gas evacuation pipe
Go out.
Further, the distance between isokinetic sampling's device and the flue dust cover are more than 2m, and are more than described one
10 times of secondary dilution tunnel internal diameter, the cross-sectional area that the flue dust covers at the top of the chimney are more than a dilution tunnel cross
30 times of sectional area.
Further, between the MFC control gas devices, quartz film and secondary dilution channel；The bypass, emptying end and true
Between sky pump；Between the chamber, sampling channel and vacuum pump, it is connected by pipeline.
Further, the material of the flue dust cover is the zinc-plated mild-steel sheet in surface, and other parts are stainless steel material,
Closure material is encrypted at pipe joint.
Description of the drawings
Attached drawing is the structural schematic diagram of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1, platform balance, 2, Domestic coal stove, 3, chimney, 4, flue dust cover, 5, dilution tunnels, 6, isokinetic sampling's pipe, 7, two
Secondary dilution tunnel, 8, exhaust gas evacuation pipe, 9, wind turbine, 10, quartzy membrane filter, 11, MFC control gas devices, 12, chamber, 13, sampling
Channel, 14, vacuum pump, 15, bypass, 16, emptying end, 17, pipeline.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in the picture, the present invention include platform balance 1, Domestic coal stove 2, chimney 3,4, dilution tunnels 5 of flue dust cover, etc.
Fast sampling pipe 6, secondary dilution channel 7, chamber 12, emptying end 16, sampling channel 13, vacuum pump 14, MFC control gas devices 11, stone
Capsule filter 10, wind turbine 9, exhaust gas evacuation pipe 8 and bypass 15 and pipeline 17.The Domestic coal stove 2 is placed on platform balance 1, cigarette
3 one end of cylinder are connect with the Domestic coal stove 2, in other end insertion flue dust cover 4,5 both ends of dilution tunnel respectively with it is described
The top of flue dust cover 4 and wind turbine 9 connect, and the outlet of the wind turbine 9 connects exhaust gas evacuation pipe 8, and 6 both ends of isokinetic sampling's pipe are separately connected institute
State the upper end at the middle part and secondary dilution channel 7 of a dilution tunnel 5, at the same the gas outlet of quartzy membrane filter 10 also with it is described
The upper end in secondary dilution channel 7 connects, and the air inlet of the quartzy membrane filter 10 connects with the gas outlet of MFC control gas devices 11
It connecing, the lower end in the secondary dilution channel 7 connects chamber 12, and the lower end in the secondary dilution channel 7 is set there are one bypass 15,
15 connection emptying end 16 of the bypass, 12 bottom of the chamber connects sampling channel 13, the sampling channel 13 and the row
Dead end 16 is connected with vacuum pump 14.The flue dust that the Domestic coal stove 2 discharges enters the chimney 3, enters back into described
Flue dust cover 4, the flue dust cover 4 are in funnel-form, big mouth down.
After the wind turbine 9 starts with vacuum pump 14, flue dust enters with air from the flue dust cover 4 described primary
Dilution tunnel 5 enters back into isokinetic sampling's pipe 6, the secondary dilution channel 7 is subsequently entered, subsequently into described
Then chamber 12 realizes by the sampling channel 13 and samples that remaining flue dust passes through positioned at described secondary dilute after sampling
The bypass 15 for releasing 7 bottom of channel is discharged into air into the realization of emptying end 16.
Air enters the quartzy membrane filter 10 after controlling flow by the MFC control gas devices 11, subsequently into
The upper end in the secondary dilution channel 7 carries out secondary dilution to flue dust.The wind turbine 9 and the vacuum pump 14 are simultaneously
Start, the wind turbine 9 is so that flue dust and air form turbulent closure scheme, remaining exhaust gas in a dilution tunnel 5
Through being discharged by exhaust gas evacuation pipe 8 after the wind turbine 9.Isokinetic sampling's device 6 is big at a distance from the flue dust cover 4
In 2m, and more than 10 times of the internal diameter of a dilution tunnel 5, cross section of the flue dust cover 4 at 3 top of the chimney
30 times of product more than 5 cross-sectional area of a dilution tunnel.The MFC air devices 11, quartzy membrane filter 10 and secondary
Between dilution tunnel 7；Between the bypass 15, emptying end 16 and vacuum pump 14；The chamber 12,13 and of sampling channel
Between vacuum pump 14, it is connected by pipeline 17.
The material of the flue dust cover 4 is the zinc-plated mild-steel sheet in surface, and other parts are stainless steel material, and pipeline connects
Closure material is encrypted at mouthful.
Its course of work is：After fire coal is added in Domestic coal stove 2, after platform balance 1 is weighed, start to burn, the cigarette of generation
Gas enters chimney 3, after waiting burnings abundant, starts wind turbine 9 and vacuum pump 14, negative pressure is formed in a dilution tunnel 5, from chimney 3
The flue dust of discharge and the air come in from 4 bottom of flue dust cover enter a dilution tunnel 5 from 4 top of flue dust cover together, are formed rapid
Stream mixes, and the flue dust in a dilution tunnel 5 enters secondary dilution channel 7 via isokinetic sampling's pipe 6, meanwhile, MFC control gas devices 11
The air of control certain flow enters quartzy membrane filter 10, and secondary dilution channel 7 is entered after filtering, is carried out to flue dust secondary dilute
It releases, the flue dust after secondary dilution enters chamber 12 from the bottom in secondary dilution channel 7, after flue dust fluid stable, opens sampling
Channel 13 acquires smoke sample with correlated sampling device, realizes the sampling of civil emission factor.It is more in dilution tunnel 5
Remaining flue dust is discharged via after wind turbine 9 from exhaust gas evacuation pipe 8, and extra flue dust is via emptying 16 row of end in secondary dilution channel 7
Go out.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor, which is characterized in that including platform balance, Domestic coal stove, cigarette
Cylinder, flue dust cover, a dilution tunnel, isokinetic sampling's pipe, secondary dilution channel, chamber, emptying end, sampling channel, vacuum pump,
MFC control gas devices, quartzy membrane filter, wind turbine, exhaust gas evacuation pipe, bypass and pipeline.
2. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor according to claim 1, which is characterized in that the people
It is placed on platform balance with coal furnace, chimney one end is connected on the Domestic coal stove, and the other end is inserted into flue dust cover, primary to dilute
Channel both ends are separately connected top and the wind turbine of the flue dust cover, and the fan outlet connects exhaust gas evacuation pipe, isokinetic sampling's pipe
Both ends are separately connected the upper end at the middle part and secondary dilution channel of a dilution tunnel, while the outlet of quartzy membrane filter
Mouth is also connect with the upper end in the secondary dilution channel, the outlet of the air inlet and MFC control gas devices of the quartzy membrane filter
Mouthful connection, the lower end in the secondary dilution channel connect chamber, and the lower end in the secondary dilution channel sets that there are one bypass, institutes
Bypass connection emptying end is stated, the chamber bottom connects sampling channel, and the sampling channel and emptying end are connected with vacuum pump
It connects.
3. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor according to claim 1, which is characterized in that the people
Enter the chimney with the flue dust that coal furnace discharges, enters back into the flue dust cover, the flue dust cover is in funnel-form, big
Mouth down.
4. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor according to claim 1, which is characterized in that described
After vacuum pump startup, flue dust enters a dilution tunnel with air from the flue dust cover, enters back into described etc.
Fast sampling pipe subsequently enters the secondary dilution channel and then passes through the sampling channel subsequently into the chamber
Realize sampling, remaining flue dust is by positioned at bypassing into the row after sampling described in described secondary dilution the bottom of the channel
Dead end realization is discharged into air.
5. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor according to claim 1, which is characterized in that air is logical
Enter the quartzy membrane filter after crossing the MFC control gas devices control flow, subsequently into the secondary dilution channel
Upper end, to flue dust carry out secondary dilution.
6. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor according to claim 1, which is characterized in that described
Wind turbine starts simultaneously with the vacuum pump, and the wind turbine makes flue dust and air be formed in a dilution tunnel
Turbulent closure scheme, remaining exhaust gas is passed through after the wind turbine and is discharged by exhaust gas evacuation pipe after sampling.
7. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor according to claim 1, which is characterized in that described
Isokinetic sampling's device is more than 2m at a distance from the flue dust cover, and is more than 10 times of a dilution tunnel internal diameter, the cigarette
Cross-sectional area of the dust hood at the top of the chimney is more than 30 times of a dilution tunnel cross-sectional area.
8. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor according to claim 1, which is characterized in that described
Between MFC air devices, quartz film and secondary dilution channel；Between the bypass, emptying end and vacuum pump；The stop
Between room, sampling channel and vacuum pump, it is connected by pipeline.
9. a kind of detection sampling platform of the civilian Discharged form Coal Combustion factor according to claim 1, which is characterized in that described
The material of flue dust cover is the zinc-plated mild-steel sheet in surface, and other parts are stainless steel material, and closure material is encrypted at pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506921.3A CN108535066A (en) | 2018-05-24 | 2018-05-24 | A kind of detection sampling platform of the civilian Discharged form Coal Combustion factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810506921.3A CN108535066A (en) | 2018-05-24 | 2018-05-24 | A kind of detection sampling platform of the civilian Discharged form Coal Combustion factor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108535066A true CN108535066A (en) | 2018-09-14 |
Family
ID=63472673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810506921.3A Pending CN108535066A (en) | 2018-05-24 | 2018-05-24 | A kind of detection sampling platform of the civilian Discharged form Coal Combustion factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108535066A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030095482A (en) * | 2002-06-10 | 2003-12-24 | 이상권 | Stack gas sampler using dilution |
| CN1587957A (en) * | 2004-08-27 | 2005-03-02 | 中国环境科学研究院 | Portable flue gas constant temperature dilution sampling analyzer |
| WO2013179794A1 (en) * | 2012-06-01 | 2013-12-05 | 株式会社堀場製作所 | Exhaust gas dilution device |
| CN104200089A (en) * | 2014-08-27 | 2014-12-10 | 北京市环境保护监测中心 | Method for measuring air pollutant emission amount of coal burned at bungalows |
| CN105258979A (en) * | 2015-11-06 | 2016-01-20 | 中国环境科学研究院 | Sampling system for coal-fired flue gas particulate matter of blowing-type civil furnace and sampling method |
| CN106092663A (en) * | 2016-06-12 | 2016-11-09 | 上海大学 | The carbonyl compound sampling apparatus of fired coal combustion source emission |
| CN205749032U (en) * | 2016-05-17 | 2016-11-30 | 中国环境科学研究院 | The open Combustion Source flue gas pollutant diluting and sampling system of biomass |
-
2018
- 2018-05-24 CN CN201810506921.3A patent/CN108535066A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030095482A (en) * | 2002-06-10 | 2003-12-24 | 이상권 | Stack gas sampler using dilution |
| CN1587957A (en) * | 2004-08-27 | 2005-03-02 | 中国环境科学研究院 | Portable flue gas constant temperature dilution sampling analyzer |
| WO2013179794A1 (en) * | 2012-06-01 | 2013-12-05 | 株式会社堀場製作所 | Exhaust gas dilution device |
| CN104200089A (en) * | 2014-08-27 | 2014-12-10 | 北京市环境保护监测中心 | Method for measuring air pollutant emission amount of coal burned at bungalows |
| CN105258979A (en) * | 2015-11-06 | 2016-01-20 | 中国环境科学研究院 | Sampling system for coal-fired flue gas particulate matter of blowing-type civil furnace and sampling method |
| CN205749032U (en) * | 2016-05-17 | 2016-11-30 | 中国环境科学研究院 | The open Combustion Source flue gas pollutant diluting and sampling system of biomass |
| CN106092663A (en) * | 2016-06-12 | 2016-11-09 | 上海大学 | The carbonyl compound sampling apparatus of fired coal combustion source emission |
Non-Patent Citations (1)
| Title |
|---|
| 刘源 等: "民用燃煤含碳颗粒物的排放因子测量", 《环境科学学报》, vol. 27, no. 09, pages 1409 - 1416 * |
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