CN104911299A - Method for carrying out pneumatic transport on coarse dust generated during primary dry dedusting of vanadium recovering converter - Google Patents
Method for carrying out pneumatic transport on coarse dust generated during primary dry dedusting of vanadium recovering converter Download PDFInfo
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- CN104911299A CN104911299A CN201510375012.7A CN201510375012A CN104911299A CN 104911299 A CN104911299 A CN 104911299A CN 201510375012 A CN201510375012 A CN 201510375012A CN 104911299 A CN104911299 A CN 104911299A
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- Prior art keywords
- cinder
- pneumatic
- storehouse
- ash
- valve
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- 239000000428 dust Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 37
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 28
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000003818 cinder Substances 0.000 claims description 84
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 7
- 230000032258 transport Effects 0.000 claims description 7
- 238000005243 fluidization Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a method for carrying out pneumatic transport on coarse dust generated during primary dry dedusting of a vanadium recovering converter. The method comprises the following steps: S1. constructing a system for carrying out pneumatic transport on coarse dust generated during primary dry dedusting of the vanadium recovering converter; S2. feeding: enabling the coarse dust to fall into a coarse dust bin (8); S3. transporting: transporting a gas-dust mixture formed after uniformly fluidizing the coarse dust entering a bin pump (19) to a collecting coarse dust bin (30) via a pneumatic transport pipe (29); S4. outward transporting. The method has the effects of not only solving the problem that the height of an evaporative cooling tower is limited but also solving the problem that a built-in double-chain transporter is jammed with dust and the problem that a coarse dust transport passage is limited by sites during dry dedusting reformation, is especially suitable for the projects for changing primary flue gas wet dedusting of the vanadium recovering converter to primary flue gas dry dedusting of the vanadium recovering converter, and has an extensive application prospect.
Description
Technical field
The present invention relates to field of environment protection equipment, more particularly, relate to a kind of converter extracting vanadium dry method dust cinder pneumatic conveying method.
Background technology
Along with the continuous reinforcement of environmental consciousness, converter extracting vanadium that is newly-built and reconstruction mostly adopts dry-dedusting system.Atomized water spray cooling, depositing dust in wet cooling tower, the cinder that banana-bends is collected delivers to the cinder storehouse in converter extracting vanadium power house under gravity by built-in double-chain type conveyor, pneumatic gate valve and pneumatic double-layer flap valve, transported outward after humidification by automobile.
Existing converter extracting vanadium main Problems existing of dry method dust cinder delivery system: one is that built-in double-chain type conveyor failure rate is high, easily blocks ash, and then affect converter extracting vanadium and normally produce; Two is that cinder storehouse is located in converter extracting vanadium power house, and be often subject to the restriction of process for making arrangement condition, especially converter extracting vanadium flue gas wet method changes dry method dust transformation project, cannot solve the fortune ash passage of automobile turnover; Three is produce a large amount of steam after the cinder humidification of high temperature, affects Working environment in power house.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of converter extracting vanadium a dry method dust cinder pneumatic conveying method.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of converter extracting vanadium dry method dust cinder pneumatic conveying method, comprise the following steps:
S1, structure converter extracting vanadium dry method dust cinder air-transport system, it comprises good antiscale property evaporative cooler, automatic ash removing device, first unloads ash supervisor, ash supervisor, storehouse pump, pneumatic carrier are unloaded in cinder storehouse, second, gather cinder storehouse, the 3rd unloads ash supervisor and the second telescopic dustless dust unloadnig apparatus;
Described good antiscale property evaporative cooler surrounding is provided with automatic ash removing device, bores bucket and be provided with rapping apparatus and level gage under good antiscale property evaporative cooler;
The below of bucket is bored in described cinder storehouse under being arranged on described good antiscale property evaporative cooler, unload ash supervisor connect by described first, and described first unloads ash supervisor is provided with pneumatic gate valve and the first pneumatic double-layer flap valve;
Top, described cinder storehouse is provided with simple and easy sack cleaner and the first vacuum pressure relief valve, is provided with first class device under described cinder storehouse in cone bucket;
Described first nitrogen tube outlet is divided into two-way, and a road is connected with first class device, and another road is connected with simple and easy sack cleaner;
Dirt separator, relief valve and the first pneumatic ball valve is provided with between described first nitrogen tube and described first class device;
Described storehouse pump unloads ash supervisor by second and is connected with described cinder storehouse, and described second unloads ash supervisor is provided with the first hand operated gate valve and the second pneumatic double-layer flap valve;
Described first telescopic dustless dust unloadnig apparatus is connected with described cinder storehouse by the first accident ash-unloading tube, and described first accident ash-unloading tube is provided with the first accident hand operated gate valve and the pneumatic double-layer flap valve of accident;
Described second nitrogen tube is connected with described storehouse pump fluidized disk and pneumatic carrier;
Described storehouse pump intake is provided with the second pneumatic ball valve, and described storehouse pump discharge is provided with the 3rd pneumatic double-layer flap valve;
Described storehouse pump with gather cinder storehouse and be connected by pneumatic carrier;
Described cinder storehouse of gathering is unloaded ash supervisor by the 3rd and is connected with described second telescopic dustless dust unloadnig apparatus, and the described 3rd unloads grey supervisor is provided with the second hand operated gate valve and star-shaped ash unloading valve.
S2, charging: pneumatic gate valve and the first pneumatic double-layer flap valve are opened condition, and cinder enters cinder storehouse under gravity, rapping apparatus is started working simultaneously; When cinder unloads to level gage lower limit, fill process terminates, and closes rapping apparatus, pneumatic gate valve and the first pneumatic double-layer flap valve;
S3, conveying: the first hand operated gate valve and the second pneumatic double-layer flap valve are opened, and cinder enters storehouse pump under gravity, opens the second pneumatic ball valve, by abundant for cinder fluidisation; Close the first hand operated gate valve and the second pneumatic double-layer flap valve, open the 3rd pneumatic double-layer flap valve, fluidisation uniform gas ash mixture is delivered to by pneumatic carrier and is gathered cinder storehouse; Gas ash mixture has been carried and has been purged totally, and close the 3rd pneumatic double-layer flap valve and the second pneumatic ball valve, storehouse pump recovers feed status;
S4, outward transport: open the second hand operated gate valve and star-shaped ash unloading valve, the cinder gathering cinder storehouse is unloaded to bulk cement truck by the second telescopic dustless dust unloadnig apparatus and transports outward.
In a kind of converter extracting vanadium of the present invention dry method dust cinder pneumatic conveying method, the nitrogen pressure >=0.6MPa carried in described step S3.
Implement a kind of converter extracting vanadium of the present invention dry method dust cinder pneumatic conveying method, there is following beneficial effect:
1, eliminate banana-bends and built-in double-chain type conveyor, solve the problem that chain easily blocks ash, decrease equipment failure rate, ensured that converter is normally produced.
2, eliminate humidification to stir, cinder storehouse is unloaded ash and is adopted and air conveyingly and dustless unload grey mode, non-flour dust overflow, more environmental protection when unloading ash.
3, gather cinder storehouse both can be placed in converter extracting vanadium power house, can be put into outside converter extracting vanadium power house yet, storage ash and fortune ash are not subject to the restriction of place and distance.
The present invention not only solves the height-limited problem of wet cooling tower, also the problem of built-in double-chain type conveyor card ash is solved, also solve cinder when dry method dust is transformed and transport the problem of grey passage by place restriction, especially be applicable to converter extracting vanadium flue gas wet method and change dry method dust project, have a extensive future.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the cinder air-transport system in a kind of converter extracting vanadium of the present invention dry method dust cinder pneumatic conveying method.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
A kind of converter extracting vanadium of the present invention dry method dust cinder pneumatic conveying method, comprises step S1-S4, specific as follows:
S1, structure converter extracting vanadium dry method dust cinder air-transport system, as shown in Figure 1, it comprises good antiscale property evaporative cooler 1, automatic ash removing device 4, first unloads ash supervisor 5, ash supervisor 16 is unloaded in cinder storehouse 8, second, storehouse pump 19, pneumatic carrier 29, gather cinder storehouse 30, the 3rd and unload ash supervisor 32 and the second telescopic dustless dust unloadnig apparatus 35;
Good antiscale property evaporative cooler 1 surrounding is provided with automatic ash removing device 4, and good antiscale property evaporative cooler 1 time cone bucket is provided with rapping apparatus 2 and level gage 3;
Cinder storehouse 8 is arranged on the below of good antiscale property evaporative cooler 1, unloads ash supervisor 5 connect by first, and first unloads ash supervisor 5 is provided with pneumatic gate valve 6 and the first pneumatic double-layer flap valve 7.
Top, cinder storehouse 8 is provided with simple and easy sack cleaner 9 and the first vacuum pressure relief valve 10.The dust that simple and easy sack cleaner 9 is discharged for collecting top, cinder storehouse 8.First vacuum pressure relief valve 10 is for preventing cinder storehouse 8 internal pressure excessive.First class device 15 is provided with in the cone bucket of 8 times, cinder storehouse.
First nitrogen tube 11 outlet is divided into two-way, and a road is connected with first class device 15, and another road is connected with simple and easy sack cleaner 9.
Dirt separator 12, relief valve 13 and the first pneumatic ball valve 14 is provided with between first nitrogen tube 11 and first class device 15.
Storehouse pump 19 unloads ash supervisor 16 by second and is connected with cinder storehouse 8, and second unloads ash supervisor 16 is provided with the first hand operated gate valve 17 and the second pneumatic double-layer flap valve 18.When first hand operated gate valve 17 and the second pneumatic double-layer flap valve 18 are opened, the cinder in cinder storehouse 8 unloads ash supervisor 16 by second and enters in storehouse pump 19.
First telescopic dustless dust unloadnig apparatus 23 is connected with cinder storehouse 8 by the first accident ash-unloading tube 20, and the first accident ash-unloading tube 20 is provided with the first accident hand operated gate valve 21 and the pneumatic double-layer flap valve 22 of accident.When first accident hand operated gate valve 21 and the pneumatic double-layer flap valve 22 of accident are opened, the cinder in cinder storehouse 8 is fallen in bulk cement truck by the first accident ash-unloading tube 20.
Second nitrogen tube 26 is connected with storehouse pump 19 fluidized disk and pneumatic carrier 29.
Storehouse pump 19 entrance is provided with the second pneumatic ball valve 27, and storehouse pump 19 outlet is provided with the 3rd pneumatic double-layer flap valve 28.
Storehouse pump 19 with gather cinder storehouse 30 and be connected by pneumatic carrier 29.
Gather cinder storehouse 30 to unload ash supervisor by the 3rd and 32 to be connected with described second telescopic dustless dust unloadnig apparatus 35, the described 3rd unloads ash is responsible for 33 and is provided with the second hand operated gate valve 33 and star-shaped ash unloading valve 34;
S2, charging: pneumatic gate valve 6 and the first pneumatic double-layer flap valve 7 are in opened condition, and cinder enters cinder storehouse 8 under gravity, and rapping apparatus 2 is started working simultaneously; When cinder unloads to level gage 3 lower limit, fill process terminates, and closes rapping apparatus 2, pneumatic gate valve 6 and the first pneumatic double-layer flap valve 7;
S3, conveying: the first hand operated gate valve 17 and the second pneumatic double-layer flap valve 18 are opened, and cinder enters storehouse pump 19 under gravity, opens the second pneumatic ball valve 27, by abundant for cinder fluidisation; Close the first hand operated gate valve 17 and the second pneumatic double-layer flap valve 18, open the 3rd pneumatic double-layer flap valve 28, fluidisation uniform gas ash mixture is delivered to by pneumatic carrier 29 and is gathered cinder storehouse 30; Gas ash mixture has been carried and has been purged totally, and close the 3rd pneumatic double-layer flap valve 28 and the second pneumatic ball valve 27, storehouse pump 19 recovers feed status;
S4, outward transport: open the second hand operated gate valve 33 and star-shaped ash unloading valve 34, the cinder gathering cinder storehouse 30 is unloaded to bulk cement truck by the second telescopic dustless dust unloadnig apparatus 35 and transports outward.Unload ash and adopt telescopic dustless mode of unloading ash, non-flour dust overflow, more environmental protection when unloading ash.
Storehouse pump 19 in the present invention adopts the mode of being interrupted defeated ash.Often carry a cinder, be a working cycle, each circulation comprises S2-S3 totally 2 steps.
Further, cinder storehouse 8 material is carbon steel or stainless steel, and quantity >=1 can multiplely combinationally use.
Further, gather cinder storehouse 30 times cone bucket to be provided with the second accident ash-unloading tube 36, second accident ash-unloading tube 36 and to be provided with the second accident hand operated gate valve 37 and flexible nonmetallic tubing 38.During maintenance, cinder is discharged from the second accident ash-unloading tube 36.
Further, storehouse pump 19 top is provided with the second vacuum pressure relief valve 24, for preventing storehouse pump 19 internal pressure excessive; Blow-off pipe 25 is set bottom storehouse pump 19, for discharging the foreign material in the pump of storehouse.
Further, storehouse pump 19 material is 16MnR or Q235B or spheroidal graphite cast iron or stainless steel.Storehouse pump 19 capacity: 1.0 ~ 10m
3; Storehouse pump 19 quantity>=1, can multiplely combinationally use.Pneumatic carrier 29 adopts containing manganese weldless steel tube, and elbow and threeway wear-resistant ceramic of lining material, pipe bending radius >=10 times pipe diameter, pipeline has choke preventing function.
The air-transport system of the embodiment of the present invention is applicable to the conveying of 80t ~ 300t converter extracting vanadium dry fume dedusting cinder.Its fed distance is about 300m, and climb altitude is about 30m.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (2)
1. converter extracting vanadium dry method dust cinder pneumatic conveying method, is characterized in that, comprise following
Step:
S1, structure converter extracting vanadium dry method dust cinder air-transport system, it comprises good antiscale property evaporative cooler (1), automatic ash removing device (4), first unloads ash supervisor (5), cinder storehouse (8), second unload ash supervisor (16), storehouse pump (19), pneumatic carrier (29), gather cinder storehouse (30), the 3rd unloads ash supervisor (32) and the second telescopic dustless dust unloadnig apparatus (35);
Described good antiscale property evaporative cooler (1) surrounding is provided with automatic ash removing device (4), bores bucket and be provided with rapping apparatus (2) and level gage (3) under good antiscale property evaporative cooler (1);
Described cinder storehouse (8) bores the below of bucket under being arranged on described good antiscale property evaporative cooler (1), unload ash supervisor (5) by described first to connect, described first unloads ash supervisor (5) is provided with pneumatic gate valve (6) and the first pneumatic double-layer flap valve (7);
Described cinder storehouse (8) top is provided with simple and easy sack cleaner (9) and the first vacuum pressure relief valve (10), is provided with first class device (15) under described cinder storehouse (8) in cone bucket;
Described first nitrogen tube (11) outlet is divided into two-way, and a road is connected with first class device (15), and another road is connected with simple and easy sack cleaner (9);
Dirt separator (12), relief valve (13) and the first pneumatic ball valve (14) is provided with between described first nitrogen tube (11) and described first class device (15);
Described storehouse pump (19) is unloaded ash supervisor (16) by second and is connected with described cinder storehouse (8), and described second unloads ash supervisor (16) is provided with the first hand operated gate valve (17) and the second pneumatic double-layer flap valve (18);
Described first telescopic dustless dust unloadnig apparatus (23) is connected with described cinder storehouse (8) by the first accident ash-unloading tube (20), and described first accident ash-unloading tube (20) is provided with the first accident hand operated gate valve (21) and the pneumatic double-layer flap valve of accident (22);
Described second nitrogen tube (26) is connected with described storehouse pump (19) fluidized disk and pneumatic carrier (29);
Described storehouse pump (19) entrance is provided with the second pneumatic ball valve (27), and described storehouse pump (19) outlet is provided with the 3rd pneumatic double-layer flap valve (28);
Described storehouse pump (19) with gather cinder storehouse (30) and be connected by pneumatic carrier (29);
Described cinder storehouse (30) of gathering is unloaded ash supervisor (32) by the 3rd and is connected with described second telescopic dustless dust unloadnig apparatus (38), and the described 3rd unloads grey be responsible for (32) is provided with the second hand operated gate valve (33) and star-shaped ash unloading valve (34);
S2, charging: pneumatic gate valve (6) and the first pneumatic double-layer flap valve (7) are in opened condition, and cinder enters cinder storehouse (8) under gravity, rapping apparatus (2) is started working simultaneously; When cinder unloads to level gage (3) lower limit, fill process terminates, and closes rapping apparatus (2), pneumatic gate valve (6) and the first pneumatic double-layer flap valve (7);
S3, conveying: the first hand operated gate valve (17) and the second pneumatic double-layer flap valve (18) are opened, and cinder enters storehouse pump (19) under gravity, opens the second pneumatic ball valve (27), by abundant for cinder fluidisation; Close the first hand operated gate valve (17) and the second pneumatic double-layer flap valve (18), open the 3rd pneumatic double-layer flap valve (28), fluidisation uniform gas ash mixture is delivered to by pneumatic carrier (29) and is gathered cinder storehouse (30); Gas ash mixture has been carried and has been purged totally, and close the 3rd pneumatic double-layer flap valve (28) and the second pneumatic ball valve (27), storehouse pump (19) recovers feed status;
S4, outward transport: open the second hand operated gate valve (33) and star-shaped ash unloading valve (34), the cinder gathering cinder storehouse (30) is unloaded to bulk cement truck by the second telescopic dustless dust unloadnig apparatus (35) and transports outward.
2. a kind of converter extracting vanadium according to claim 1 dry method dust cinder pneumatic conveying method, is characterized in that, the nitrogen pressure >=0.6MPa carried in described step S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510375012.7A CN104911299A (en) | 2015-06-30 | 2015-06-30 | Method for carrying out pneumatic transport on coarse dust generated during primary dry dedusting of vanadium recovering converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510375012.7A CN104911299A (en) | 2015-06-30 | 2015-06-30 | Method for carrying out pneumatic transport on coarse dust generated during primary dry dedusting of vanadium recovering converter |
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| Publication Number | Publication Date |
|---|---|
| CN104911299A true CN104911299A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510375012.7A Pending CN104911299A (en) | 2015-06-30 | 2015-06-30 | Method for carrying out pneumatic transport on coarse dust generated during primary dry dedusting of vanadium recovering converter |
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| Country | Link |
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| CN (1) | CN104911299A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850226A (en) * | 2020-07-30 | 2020-10-30 | 中冶赛迪工程技术股份有限公司 | A device for drying and pneumatic conveying of rough ash of converter gas |
| CN113606372A (en) * | 2021-08-05 | 2021-11-05 | 宝武集团鄂城钢铁有限公司 | Knife gate valve |
-
2015
- 2015-06-30 CN CN201510375012.7A patent/CN104911299A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850226A (en) * | 2020-07-30 | 2020-10-30 | 中冶赛迪工程技术股份有限公司 | A device for drying and pneumatic conveying of rough ash of converter gas |
| CN113606372A (en) * | 2021-08-05 | 2021-11-05 | 宝武集团鄂城钢铁有限公司 | Knife gate valve |
| CN113606372B (en) * | 2021-08-05 | 2024-01-19 | 宝武集团鄂城钢铁有限公司 | Dry dust removal system |
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Application publication date: 20150916 |
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