CN110252778A - Shield landwaste recycling and reusing system and method - Google Patents
Shield landwaste recycling and reusing system and method Download PDFInfo
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- CN110252778A CN110252778A CN201910647942.1A CN201910647942A CN110252778A CN 110252778 A CN110252778 A CN 110252778A CN 201910647942 A CN201910647942 A CN 201910647942A CN 110252778 A CN110252778 A CN 110252778A
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- hydrocyclone
- landwaste
- mud
- shield
- recycling
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004064 recycling Methods 0.000 title claims abstract description 20
- 101100041681 Takifugu rubripes sand gene Proteins 0.000 claims abstract description 46
- 239000004576 sand Substances 0.000 claims abstract description 46
- 238000000227 grinding Methods 0.000 claims abstract description 42
- 239000002002 slurry Substances 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 14
- 229920002472 Starch Polymers 0.000 claims abstract description 4
- 235000019698 starch Nutrition 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of shield landwaste recycling and reusing system and methods, including separating screen device, and separating screen device is cooperated to be separately installed with the first mud channel and impact grinding device；First mud channel is communicated with conveying slurry can；Cooperation impact grinding device is equipped with grinding crushing device, and cooperation grinding crushing device is equipped with sand grains spray agitating device；Sand grains, which sprays agitating device, which starches pipeline connection by sand grains, hydrocyclone；The slurry outlet of hydrocyclone bottom is connected to slurry can by the second mud channel；The sand export of cooperation hydrocyclone is equipped with mixing device；Slush pump is mounted on first mud channel and the second mud channel.The landwaste generated during shield and mud are quickly sufficiently separated by the present invention, and the landwaste therein for being not suitable for making gravel is made into sand grains, and it crushes dissolution and excludes mud shale particle, so that landwaste does not need to be filled again, transportation cost is saved, environmental pollution is reduced and improves economic benefit.
Description
Technical field
The invention belongs to waste recovery field more particularly to a kind of shield landwaste recycling and reusing system and methods.
Background technique
With the rapidly development of urban construction, traffic above-ground increasingly congestion, the problems such as occupying human normal life soil is prominent
Out, demand of the people to the development and utilization of the underground space is more and more.Economic strength has been further consolidated in China, and various regions track is handed over
Logical construction starts one after another, the urban rail transit construction planning in the multiple cities in the whole nation of National Development and Reform Committee's reply in recent years.In existing shield
In structure equipment, it is wide that slurry balance shield machine with it is applicable in geology range, and advanced control is current state-of-the-art Suporting structure, in mud
The pressure of face is controlled during water balance shield-tunneling construction by mud, transports the dregs generated in mining process, high quality
Shield slurry be the premise for guaranteeing engineering and going on smoothly, the processing of mud is most important.
But shield-tunneling construction generates a large amount of mud, and the dregs mud containing rate screened out is high, water content is big, loosely organized, and companion
It is starched with a large amount of abandon is generated.Dregs particulate cascade after only screening and this processing method separate is unclear, so that can not
Component valuable in dregs is recycled.It is all logical at present for the dregs of such high mud containing rate, high-moisture
A large amount of vehicle transport to special dregs stacking field is crossed to be stored.Inevitably exist during transportation and spreads on a small quantity
Leakage, will generate to environment after subsidiary mud evolution can cause fugitive dust after certain pollution or even mud air-dry and cause air
Quality decline.It is directly discarded in addition, generating a large amount of waste pulp in work progress, consumes a large amount of water resource, also brought to environment
Very big burden.
Application number 201310397192.X provides one kind and discloses a kind of shield body refuse Recovery Purifying reutilization system use
In the method for Shield Construction Method Used, which includes slip agitating tank, blender, hydrocyclone, slurry can, mortar stirring
It stands, waste stacks field and pipeline composition；The body refuse that the present invention generates shield-tunneling construction is synchronous as shield after Recovery Purifying
The raw material of slip casting reuse, and solve the problems, such as that body refuse discarding amount is big in previous shield-tunneling construction, pollute environment and shield
The problem of raw materials consumptions amount such as synchronous grouting bentonite, bentonite consumption is saved, has reduced dirt of the discarded body refuse to environment
Dye, reduces shield-tunneling construction cost.
But above-mentioned process is only applicable to the construction of sedimentation layer and then can not for the processing of rock base layer construction landwaste
Reach efficient resource utilization.Because of a large amount of landwaste that shield-tunneling construction generates, circular knife generally is equipped with due to digging hard rock shield machine
Disk causes Rock Cutting fragment mechanism larger, flaky, these chip sizes are even lower than being about 30:15:1
Extreme dimensional.The conventional method being crushed for manufacturing engineering rubble is such as taken, broken shield clast rubble is not usually to manage
The grain shape thought but sheet-like particle.Since single particle strength is a principal element of material entirety, these sheets it is broken
Stone particle tends to horizontal direction in positioning and precipitates to form water pocket, so that concrete structure grade reduces.Simultaneously because particle lacks
Weary rough surface and grain shape with angle, reduce and are stained with knot power between aggregate and cement, reduce the work energy of mixture
Power and the demand for increasing water consumption need to increase cement content, substantially increase cost to keep quality.Therefore, it generates
Cutting landwaste cannot be processed into the rubble of construction substantially, and a large amount of abandon is needed to fill.Cause a large amount of transportation cost and environment
Pollution.
Secondly, shield-tunneling construction work often includes, since its intensity is low and hygroscopy, being not suitable for carrying out work with mud shale clast
Cheng Zaosha, it is necessary to exclude in process, to reduce the influence to sandy amount is made.
Summary of the invention
In order to solve the above technical problems, the invention discloses a kind of shield landwaste recycling and reusing system and methods.This hair
It is bright to be quickly sufficiently separated the landwaste generated during shield and mud, and landwaste therein is made into sand grains and in technique
Exclude mud shale clast and so that landwaste does not need to be filled again save transportation cost, reduce environmental pollution and
Improve economic benefit.
To achieve the above object, technical scheme is as follows:
A kind of shield landwaste recycling and reusing method, includes the following steps:
Step 1: importing separating screen device 1 for shield body refuse, sifts out cutting grain and the mud of screening is passed through the first mud
Pipeline 2 conveys slurry can 3；
Step 2: cutting grain is delivered to impact grinding device 4, by debris breaker at granulated at landwaste crushed particles,
And mud shale then slabbing page fragment；
Step 3: being delivered to grinding crushing device 5 for debris breaker particle and debris breaker particle be ground into sand grains, and mud
Shale is then ground into mud substantially；
Step 4: sand grains spray stirring rinses and forms mortar；
Step 5: mortar, which is transported to hydrocyclone 6, obtains filtering sand and mud；Mud passes through the second mud channel 7
Slurry can 3 is conveyed, regenerated mud is used for
Step 6: filtering sand is transported to mixing device 8, mixing manufacture concrete.
Through the above steps, it by after landwaste and mud initial gross separation, is crushed by subsequent impact grinding device 4 and grinding
Landwaste is fabricated to the grit in order to be suitble to concrete and improves economic benefit to reduce landfill cost by device 5.And
Mud therein is also sufficiently separated storage in the process.
Further to improve, the hydrocyclone 6 includes the first hydrocyclone 65 and the second hydrocyclone 66；The
The slurry outlet 61 of one hydrocyclone 65 is in right above the feed inlet of the second hydrocyclone 66；First hydrocyclone sieve
Diameter grain≤2mm gravel out, the second Swirling flow sand-removing implements are to sift out diameter grain≤0.05mm material.
Further to improve, the impact grinding device is impact crusher.
Further to improve, the grinding crushing device is ball mill.
Further to improve, the mixing device 8 is concrete mixer.
A kind of shield landwaste recycling and reusing system, including separating screen device 1, cooperation separating screen device 1 are separately installed with first
Mud channel 2 and impact grinding device 4；First mud channel 2 is communicated with conveying slurry can 3；Impact grinding device 4 is cooperated to install
There is grinding crushing device 5, cooperation grinding crushing device 5 is equipped with sand grains spray agitating device 9；It is logical that sand grains sprays agitating device 9
It crosses sand grains slurry pipeline 96 and is communicated with hydrocyclone 6；The slurry outlet 61 of 6 bottom of hydrocyclone passes through the second mud channel 7
It is connected to slurry can 3；The sand export 63 of cooperation hydrocyclone 6 is equipped with mixing device 8；First mud channel 2 and the second mud
Slush pump 64 is mounted on pipeline 7.
Further to improve, the impact grinding device is impact crusher；The grinding crushing device is ball mill；
The mixing device 8 is concrete mixer；The hydrocyclone 6 includes the first hydrocyclone 65 and the second Swirling flow sand-removing
Device 66；The slurry outlet 61 of first hydrocyclone 65 is in right above the feed inlet of the second hydrocyclone 66；First eddy flow
Desander sifts out the gravel that diameter grain is more than or equal to 2mm, and the second Swirling flow sand-removing implements are the object for sifting out diameter grain and being more than or equal to 0.05mm
Material.
Further to improve, the separating screen device 1 includes the sieve 11 being obliquely installed, and is equipped with vibrator on sieve 11
12,11 lower end of sieve is coupled impact grinding device 4；11 bottom of sieve is equipped with broach hopper 13, broach hopper 13 and
The connection of one mud channel 2；The discharge outlet of 4 bottom of impact grinding device is right above the feed inlet of grinding crushing device 5；Grinding
The discharge outlet of crushing device 5 is right above the feed inlet of sand grains spray agitating device 9.
Further to improve, the sand grains spray agitating device 9 includes shell 91, is equipped with shaft 92 in shell 91, turns
Paddle 93 is installed on axis 92；Feed inlet 94 and spray head 95 are installed at the top of shell 91；91 bottom of shell is communicated with sand grains
Pipeline 96 is starched, slurries pump 97 is installed on sand grains slurry pipeline 96；Shaft 92 is connected with motor 98.
It is further to improve, conveyer belt 10 is installed between the sand export 63 and mixing device 8 of the hydrocyclone 6.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
The invention will be further described with reference to embodiments.
Embodiment 1
A kind of shield landwaste recycling and reusing system as shown in Figure 1, including separating screen device 1, cooperation separating screen device 1 are distinguished
First mud channel 2 and impact grinding device 4 are installed；First mud channel 2 is communicated with conveying slurry can 3；Cooperate impact cutting
Crushing device 4 is equipped with grinding crushing device 5, and cooperation grinding crushing device 5 is equipped with sand grains spray agitating device 9；Sand grains spray
Agitating device 9 starches pipeline 96 by sand grains and is communicated with hydrocyclone 6；The slurry outlet 61 of 6 bottom of hydrocyclone passes through the
Two mud channels 7 are connected to slurry can 3；The sand export 63 of cooperation hydrocyclone 6 is equipped with mixing device 8；First mud channel 2
Slush pump 64 is mounted on on the second mud channel 7.
Impact grinding device is impact crusher；The grinding crushing device is ball mill；The mixing device 8 is mixed
Solidifying soil blender.
Separating screen device 1 includes the sieve 11 being obliquely installed, and vibrator 12,11 lower end of sieve cooperation peace are equipped on sieve 11
Fill impact grinding device 4；11 bottom of sieve is equipped with broach hopper 13, and broach hopper 13 is connected to the first mud channel 2；Impact
The discharge outlet of 4 bottom of crushing device is right above the feed inlet of grinding crushing device 5；Grind the discharge outlet of crushing device 5
Right above the feed inlet of sand grains spray agitating device 9.
It includes shell 91 that sand grains, which sprays agitating device 9, is equipped with shaft 92 in shell 91, is equipped with paddle in shaft 92
93；Feed inlet 94 and spray head 95 are installed at the top of shell 91；91 bottom of shell is communicated with sand grains slurry pipeline 96, and sand grains starches pipeline
Slurries pump 97 is installed on 96；Shaft 92 is connected with motor 98.
Conveyer belt 10 is installed between the sand export 63 and mixing device 8 of hydrocyclone 6.
The usage mode of above-mentioned apparatus is as follows: a kind of shield landwaste recycling and reusing method includes the following steps:
Step 1: importing separating screen device 1 for shield body refuse, sifts out cutting grain and the mud of screening is passed through the first mud
Pipeline 2 conveys slurry can 3；
Step 2: cutting grain is delivered to impact grinding device 4, by debris breaker at granulated at landwaste crushed particles；
Step 3: debris breaker particle is delivered to grinding crushing device 5, debris breaker particle is ground into sand grains；
Step 4: sand grains spray stirring rinses and forms mortar；
Step 5: mortar, which is transported to hydrocyclone 6, obtains filtering sand and mud；Mud passes through the second mud channel 7
Slurry can 3 is conveyed, regenerated mud is used for
Step 6: filtering sand is transported to mixing device 8, mixing manufacture concrete.
Embodiment 2
Do following improvement on the basis of embodiment 1: hydrocyclone 6 includes the first hydrocyclone 65 and the second eddy flow
Desander 66；The slurry outlet 61 of first hydrocyclone 65 is in right above the feed inlet of the second hydrocyclone 66；First
Hydrocyclone sifts out diameter grain≤2mm gravel, and the second Swirling flow sand-removing implements are to sift out diameter grain≤0.05mm material.
In this way will
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any modification, change and equivalent structure transformation to the above embodiments, still belong to technical solution of the present invention
Protection scope.
Claims (10)
1. a kind of shield landwaste recycling and reusing method, which comprises the steps of:
Step 1: importing separating screen device (1) for shield body refuse, sifts out cutting grain and the mud of screening is passed through the first mud tube
Road (2) conveys slurry can (3)；
Step 2: cutting grain is delivered to impact grinding device (4), by debris breaker at granulated at landwaste crushed particles；
Step 3: debris breaker particle is delivered to grinding crushing device (5), debris breaker particle is ground into sand grains；
Step 4: sand grains spray stirring rinses and forms mortar；
Step 5: mortar, which is transported to hydrocyclone (6), obtains filtering sand and mud；Mud passes through the second mud channel (7)
It conveys slurry can (3), is used for regenerated mud
Step 6: filtering sand is transported to mixing device (8), mixing manufacture concrete.
2. shield landwaste recycling and reusing method as described in claim 1, which is characterized in that shield landwaste recycling and reusing side
Method, which is characterized in that the hydrocyclone (6) includes the first hydrocyclone (65) and the second hydrocyclone (66)；The
The slurry outlet (61) of one hydrocyclone (65) is in right above the feed inlet of the second hydrocyclone (66)；First eddy flow removes
Sand device sifts out diameter grain " gravel of 2mm, the second Swirling flow sand-removing implements are to sift out diameter grain " material of 0.05mm.
3. shield landwaste recycling and reusing method as described in claim 1, which is characterized in that the impact grinding device is punching
Impact crusher.
4. shield landwaste recycling and reusing method as described in claim 1, which is characterized in that the grinding crushing device is ball
Grinding machine.
5. shield landwaste recycling and reusing method as described in claim 1, which is characterized in that the mixing device (8) is mixed
Solidifying soil blender.
6. a kind of shield landwaste recycling and reusing system, which is characterized in that including separating screen device (1), cooperate separating screen device (1) point
First mud channel (2) and impact grinding device (4) are not installed；First mud channel (2) is communicated with conveying slurry can (3)；
Cooperation impact grinding device (4) is equipped with grinding crushing device (5), and cooperation grinding crushing device (5) is equipped with sand grains spray and stirs
Mix device (9)；Sand grains sprays agitating device (9) and is communicated with hydrocyclone (6) by sand grains slurry pipeline (96)；Hydrocyclone
(6) slurry outlet (61) of bottom passes through the second mud channel (7) connection slurry can (3)；Cooperation hydrocyclone (6) is shaked out
Mouth (63) is equipped with mixing device (8)；Slush pump (64) are mounted on first mud channel (2) and the second mud channel (7).
7. shield landwaste recycling and reusing system as claimed in claim 6, which is characterized in that the impact grinding device is punching
Impact crusher；The grinding crushing device is ball mill；The mixing device (8) is concrete mixer；The eddy flow removes
Sand device (6) includes the first hydrocyclone (65) and the second hydrocyclone (66)；The mud of first hydrocyclone (65) goes out
Mouth (61) is in right above the feed inlet of the second hydrocyclone (66)；First hydrocyclone sifts out diameter grain " gravel of 2mm,
Second Swirling flow sand-removing implements are to sift out diameter grain " material of 0.05mm.
8. shield landwaste recycling and reusing method as claimed in claim 6, which is characterized in that the separating screen device (1) includes
The sieve (11) being obliquely installed is equipped with vibrator (12) on sieve (11), and sieve (11) lower end is coupled impact grinding dress
Set (4)；Sieve (11) bottom is equipped with broach hopper (13), and broach hopper (13) is connected to the first mud channel (2)；Impact cutting
The discharge outlet of crushing device (4) bottom is right above the feed inlet of grinding crushing device (5)；Grind the discharging of crushing device (5)
Right above feed inlet of the mouth in sand grains spray agitating device (9).
9. shield landwaste recycling and reusing method as claimed in claim 6, which is characterized in that the sand grains sprays agitating device
(9) include shell (91), be equipped with shaft (92) in shell (91), paddle (93) are installed in shaft (92)；Shell (91)
Top is equipped with feed inlet (94) and spray head (95)；Shell (91) bottom is communicated with sand grains slurry pipeline (96), and sand grains starches pipeline
(96) slurries pump (97) is installed on；Shaft (92) is connected with motor (98).
10. shield landwaste recycling and reusing method as claimed in claim 6, which is characterized in that the hydrocyclone (6)
Conveyer belt (10) are installed between sand export (63) and mixing device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647942.1A CN110252778A (en) | 2019-07-18 | 2019-07-18 | Shield landwaste recycling and reusing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647942.1A CN110252778A (en) | 2019-07-18 | 2019-07-18 | Shield landwaste recycling and reusing system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110252778A true CN110252778A (en) | 2019-09-20 |
Family
ID=67926840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910647942.1A Pending CN110252778A (en) | 2019-07-18 | 2019-07-18 | Shield landwaste recycling and reusing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110252778A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260106A (en) * | 2021-12-21 | 2022-04-01 | 成理科技(成都)股份有限公司 | Earth pressure balance shield muck grading treatment system |
| CN115721974A (en) * | 2023-01-28 | 2023-03-03 | 中铁电气化局集团有限公司 | Slurry circulation preparation grouting system behind shield muck wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260106A (en) * | 2021-12-21 | 2022-04-01 | 成理科技(成都)股份有限公司 | Earth pressure balance shield muck grading treatment system |
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| CN115721974A (en) * | 2023-01-28 | 2023-03-03 | 中铁电气化局集团有限公司 | Slurry circulation preparation grouting system behind shield muck wall |
| CN115721974B (en) * | 2023-01-28 | 2023-04-04 | 中铁电气化局集团有限公司 | Slurry circulation preparation grouting system behind shield muck wall |
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