CN104150245B - Material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit - Google Patents
Material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit Download PDFInfo
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- CN104150245B CN104150245B CN201410303004.7A CN201410303004A CN104150245B CN 104150245 B CN104150245 B CN 104150245B CN 201410303004 A CN201410303004 A CN 201410303004A CN 104150245 B CN104150245 B CN 104150245B
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Abstract
The invention discloses material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit, it comprises movable dust removal trolley, sealing device and change course device. Material feeding notch totally-enclosed movable ventilation dust pelletizing system on a kind of ore deposit groove groove proposed by the invention, by mobile monomer dedusting and the hermetically sealed perfect adaptation of feed bin notch, in the situation that feed bin notch seals, realize the material dust of trapping is discharged into feed bin, can realize dump car discharging time, each dirt pits airborne dust that produces effectively traps and dirt gas is reached to discharge after purified treatment nearby, and the valency dust that has of trapping is discharged into recycling in feed bin. Greatly reduce the operating cost of cleaner, and improved productivity effect.
Description
Technical field
The present invention relates to a kind of dust suppression, dedusting environment friendly equipment that produces dirt during for ribbon conveyer mobile discharge, particularly a kind of when on the groove groove of ore deposit, ribbon conveyer movable unloading trolley is to the non-fixed-point unloading of feed bin trapping and the cleaning system nearby of the dust that distributes.
Background technology
At present, the airborne dust that on the storage ore deposit groove of the industries such as domestic metallurgy, mine, the movable unloading trolley discharging of ribbon conveyer produces does not have well reliable and stable governing measure, uses morely, mainly contains following three kinds compared with typical method:
First method is: feed bin negative pressure+feed bin discharging notch is hermetically sealed. Its main method is on each ore storage bin, to establish a negative pressure exhausting arm, then is provided with a negative pressure windlass main each feed bin negative pressure exhausting arm is gathered, and the windlass main who gathers accesses ground station for dust removal, and dusty gas is through deduster filtration treatment qualified discharge. In order to save exhausting amount load, on every exhausting arm, be equipped with switch valve, switch valve and dump car interlocking, the negative pressure arm valve opening of this feed bin in the time that dump car moves to each feed bin discharging, make this ore storage bin form negative pressure, prevent flour dust overflow in feed bin. Rubber belt sealing device is installed simultaneously on discharging notch, realize in movable unloading trolley discharging and running and cross the sealing realizing feed bin notch by this device, for forming, feed bin negative pressure creates conditions, reduce the exhausting amount of negative pressure exhaust column, and stop the product dirt in feed bin excessive from feed bin notch.
Second method is: movable ventilation groove+product dirt pits dust shield+feed bin discharging notch is hermetically sealed, its main method is in the discharge chute both sides of movable unloading trolley and dump car top product dirt pits is established dust shield, trap and gather Zhi Yi road negative pressure windlass main producing the dirt gas of dirt pits, this negative pressure windlass main is fixed on dump car and moves with dump car, with movable unloading trolley moving direction on a fixing negative pressure exhausting groove is installed conventionally, negative pressure windlass main on movable unloading trolley is connected with sealing device and formed a movable ventilation groove by movement, when the exhausting arm on dump car can keep connecting formation negative pressure with movable ventilation groove in the time that dump car moves to arbitrary feed bin discharging, movable ventilation groove accesses ground station for dust removal by airduct, dusty gas is qualified discharge after deduster filtration treatment. rubber belt sealing device is installed simultaneously on discharging notch, realize in movable unloading trolley discharging and running and cross the sealing realizing feed bin notch by this device, for forming, feed bin negative pressure creates conditions, reduce the exhausting amount of negative pressure exhaust column, and stop the product dirt in feed bin excessive from feed bin notch.
The third method is: mobile monomer deduster+product dirt pits dust shield+feed bin discharging notch is partially sealed; Its main method is in dump car discharge chute both sides and dump car top product dirt pits is established dust shield, the dirt gas of product dirt pits is collected and is aggregated into a negative pressure windlass main, negative pressure windlass main accesses mobile monomer deduster and carries out purified treatment, qualified discharge. This moves monomer deduster and is arranged on movable dust removal trolley, movable dust removal trolley can be arranged on dump car track (also can in ground feed bin notch outside, two tracks be installed separately) and connect synchronizing moving with dump car bearing pin, the dust that mobile monomer deduster is collected drains in ore storage bin via spiral ash conveying device, star-shaped dust-discharging valve, and it is partially sealed that on feed bin notch, enclosed hood is taked to suspend in midair in part.
Above three kinds of dust collection methods respectively have pluses and minuses. The feed bin notch sealing effectiveness of first two dust collection method is better, that its shortcoming is that the valve of first method switches is frequent, on the movable ventilation groove of second method walking mechanism and dump car synchronism poor, the sealing device less stable of ventilation slot, fault rate is high; Two kinds of common shortcomings are all dirt pneumatic transmission to be entered to ground station for dust removal processing, and fed distance is long, and energy consumption is high. The advantage of the third dust collection method is that mobile monomer deduster purifies dirt gas on the spot, and dirt gas fed distance is short, and energy consumption is low; The material of deduster trapping is simultaneously discharged into feed bin, the recycling of material and minimizing carrying, remarkable in economical benefits; Its shortcoming is that feed bin notch is poorly sealed, the airborne dust that material produces in feed bin can be from overflowing away from dust shield feed bin notch, particularly, in the situation that ganging up between feed bin notch, in the time of dump car discharging, dirt gas can overflow from the feed bin notch closing on, and dust removing effects is not good.
Summary of the invention
Technical problem to be solved by this invention is to provide material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit, by mobile monomer dedusting and the hermetically sealed perfect adaptation of feed bin notch, in the situation that feed bin notch seals, realize the material of trapping is discharged into feed bin, can be discharged into feed bin recycling to the dirt gas effective sealing and trapping, nearby filtration, purification qualified discharge the valency dust that has by trapping that produce dirt pits, reduce air environmental pollution, purify operating environment, reduce cleaner operating cost, also improved productivity effect.
For realizing above-mentioned technique effect, the invention provides material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit, it comprises movable dust removal trolley, sealing device and change course device, described sealing device comprises sealant tape, double-edged fine-toothed comb and sealant tape fixed tensioning device, double-edged fine-toothed comb is arranged at discharging notch top, be used for supporting sealant tape, sealant tape is arranged on double-edged fine-toothed comb top, at sealant tape head and the tail two ends, sealant tape fixed tensioning device is set respectively, described sealant tape all standing formula be arranged on discharging notch top, described movable dust removal trolley is arranged on the track newly installing additional on dump car moving track or in ground discharging notch outside, movable dust removal trolley is connected with dump car by connecting bearing pin, on movable dust removal trolley, be fixedly installed electric cabinet, blower motor, air compressor, air accumulator and monomer deduster, described electric cabinet and motor fan, air compressor is connected, control motor fan, the start and stop of air compressor, air compressor connects pure qi (oxygen) blast pipe, described air accumulator respectively with air compressor, monomer deduster is connected, described monomer deduster comprises deduster body, air inlet airduct and some dust shields, described dust shield is arranged at respectively dump car feeding chute both sides and dump car head discharge point, dust shield is communicated with airduct, fix by suspension bracket with the airduct that the dust shield that is arranged at dump car feeding chute both sides is connected, suspension bracket is fixedly installed on airduct top, directly over feeding chute, airduct is connected with monomer deduster by being flexible coupling, described change course device comprises turnabout roller and lower turnabout roller, described change course device comprises turnabout roller and lower turnabout roller, described upper turnabout roller is arranged on directly over dump car discharge chute, and lower turnabout roller is arranged on the dust shield top of dump car feeding chute both sides, movable dust removal trolley is with dump car synchronizing moving, in the time that dump car moves, cover sealant tape on feed bin notch and walk around the feeding chute of dump car and dump car by change course device and produce to relatively move and make feed bin whole piece notch (except feeding chute place) conventionally in sealing state, in the time that dump car moves to predetermined emptying point and carries out discharging, the starting of electric cabinet control dedusting motor fan, monomer deduster is started working, when dump car discharging, the dust shield of the dust shield of chute both sides and dump car head starts to aspirate discharging airborne dust, dirt gas sucks deduster filtration, purification via airduct, the air of processing is discharged through pure qi (oxygen) blast pipe, pure air qualified discharge.
Also be fixedly installed anti-deviation side block in described sealant tape outside.
Described monomer deduster bottom is fixedly installed two ash buckets, in ash bucket bottom, star-shaped ash unloading valve is set, described monomer deduster also comprises pneumatic ash conveying plant, described pneumatic ash conveying plant comprises ash pipeline, Pneumatic ash conveying device, compressed air hose and magnetic valve, described unloading valve is connected with ash pipeline, discharging notch place is stretched in ash pipeline outlet, Pneumatic ash conveying device is arranged on ash pipeline, described compressed air hose one end is connected with air accumulator, centre is provided with magnetic valve, and the compressed air hose other end is connected with Pneumatic ash conveying device; Open star-shaped ash unloading valve, the dust trapping in ash bucket is discharged into the little ash bucket under it by star-shaped ash unloading valve, arrive Pneumatic ash conveying device through 90 ° of elbows, magnetic valve on the compressed air line of connection Pneumatic ash conveying device is opened, Pneumatic ash conveying device work, the ash pipeline of dust after via Pneumatic ash conveying device is discharged in feed bin from material unloading chute notch.
Described ash bucket bottom is provided with level-sensing device, by PLC control technology, control the start and stop of Pneumatic ash conveying device by the high and low material level position of predetermined set, in the time that level-sensing device detects dust in ash bucket and reaches predetermined high charge level, pneumatic ash transmitting system unlatching work, in the time that level-sensing device detects dust in ash bucket and reaches predetermined low material level, pneumatic ash transmitting system quits work.
On described ash bucket bulkhead, be also fixedly installed hopper wall vibrator, to ensure ash bucket complete unloading, avoid ash material to be deposited on ash bucket bulkhead.
In this device running, when lower trolley discharging, slag is easily fallen between lower turnabout roller and sealant tape, cause between lower turnabout roller and sealant tape and produce slag inclusion, time has just been grown easily wearing and tearing sealant tape, causes dust arrester sealing property to decline, simultaneously, the sealant tape that abrasion deformation is larger carries out easy sideslip in process, also can cause sealing property to decline. For addressing this problem, described lower turnabout roller comprises tiltedly vertical edge and roller integral support of deslagging roller, roller, described deslagging roller comprises some round steel, round steel two ends and bearing block are fixed edge joint, roller tiltedly vertical edge is fixedly connected with bearing block outside, the center roll shaft of deslagging roller is connected with deslagging roller bearing, roller can freely rotate around roll shaft, the round steel permutation and combination of roller is arc surface, and the roll shaft of described deslagging roller is supported on roller integral support, be fixedly connected with between roll shaft and roller integral support.
The roller integral support of described lower changed course deslagging roller also comprises roll shaft pressing plate and adjusting bolt, roll shaft pressing plate is arranged at roller integral support top by set bolt, be respectively arranged with upper adjusting bolt and the lower adjusting bolt of pairing in roll shaft upper and lower, upper adjusting bolt screws roll shaft after by roll shaft pressing plate, lower adjusting bolt screws roll shaft by roller integral support, can carry out up-down adjustment by roll shaft by upper and lower adjusting bolt, thereby upper turnabout roller or lower turnabout roller are finely tuned.
Material feeding notch totally-enclosed movable ventilation dust pelletizing system on a kind of ore deposit groove groove proposed by the invention, by mobile monomer dedusting and the hermetically sealed perfect adaptation of feed bin notch, in the situation that feed bin notch seals, realize the material dust of trapping is discharged into feed bin, can realize dump car discharging time, each dirt pits airborne dust that produces effectively traps and dirt gas is reached to discharge after purified treatment nearby, and the valency dust that has of trapping is discharged into recycling in feed bin. Greatly reduce the operating cost of cleaner, and improved productivity effect.
Brief description of the drawings
Fig. 1 is the front view that on the groove groove of a kind of ore deposit, material feeding notch totally-enclosed movable ventilation dust pelletizing system structure arranges;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left-half enlarged drawing of Fig. 1;
Fig. 4 is the right half part enlarged drawing of Fig. 1;
Fig. 5 is the left-half enlarged drawing of Fig. 2;
Fig. 6 is the right half part enlarged drawing of Fig. 2;
Fig. 7 is along A-A to cutaway view in Fig. 1;
Fig. 8 is along B-B to cutaway view in Fig. 1;
Fig. 9 is movable dust removal trolley structural representation;
Figure 10 is the main TV structure schematic diagram of upper turnabout roller or lower turnabout roller;
Figure 11 is the left view of Fig. 6;
Figure 12 is the top view of Fig. 6.
Detailed description of the invention
Referring to accompanying drawing, material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit, it comprises movable dust removal trolley 21, sealing device and change course device, described sealing device comprises sealant tape 2, double-edged fine-toothed comb 12 and sealant tape fixed tensioning device 1, double-edged fine-toothed comb is arranged at discharging notch top, be used for supporting sealant tape, sealant tape is arranged on double-edged fine-toothed comb top, at sealant tape head and the tail two ends, sealant tape fixed tensioning device is set respectively, described sealant tape all standing formula be arranged on discharging notch top, described movable dust removal trolley is arranged on the track newly installing additional on the moving track of dump car 4 or in ground discharging notch outside, movable dust removal trolley is connected with dump car by connecting bearing pin 14, on movable dust removal trolley, be fixedly installed electric cabinet 25, blower motor 23, air compressor 22, air accumulator 20 and monomer deduster 19, described electric cabinet and motor fan, air compressor is connected, control motor fan, the start and stop of air compressor, air compressor connects pure qi (oxygen) blast pipe 24, described air accumulator respectively with air compressor, monomer deduster is connected, described monomer deduster comprises deduster body, air inlet airduct 11 and some dust shields, described dust shield comprises that dump car feeding chute 8 produces dirt pits dust shield 6 and dump car head discharge point dust shield 10, dust shield is communicated with airduct, the airduct being connected with the dust shield that is arranged at dump car feeding chute both sides is fixing by suspension bracket 9, suspension bracket is fixedly installed on airduct top, directly over feeding chute, airduct 13 is connected with monomer deduster by being flexible coupling, described change course device comprises turnabout roller 7 and lower turnabout roller 5, and described upper turnabout roller is arranged on directly over dump car discharge chute, and lower turnabout roller is arranged on the dust shield top of dump car feeding chute both sides, movable dust removal trolley is with dump car synchronizing moving, in the time that dump car moves, cover sealant tape on feed bin notch and walk around the feeding chute of dump car and dump car by change course device and produce to relatively move and make feed bin whole piece notch (except feeding chute place) conventionally in sealing state, in the time that dump car moves to predetermined emptying point and carries out discharging, the starting of electric cabinet control dedusting motor fan, monomer deduster is started working, when dump car discharging, the dust shield of the dust shield of chute both sides and dump car head starts to aspirate discharging airborne dust, dirt gas sucks deduster filtration, purification, pure air qualified discharge via airduct.
Also be fixedly installed anti-deviation side block 3 in described sealant tape outside.
Described monomer deduster bottom is fixedly installed two ash buckets 26, in ash bucket bottom, star-shaped ash unloading valve 15 is set, described monomer deduster also comprises pneumatic ash conveying plant, described pneumatic ash conveying plant comprises ash pipeline 28, Pneumatic ash conveying device 18, compressed air hose 29 and magnetic valve 30, described star-shaped ash unloading valve is connected with ash pipeline, discharging notch place is stretched in ash pipeline outlet, Pneumatic ash conveying device is arranged on ash pipeline, described compressed air hose one end is connected with air accumulator, centre is provided with magnetic valve, and the compressed air hose other end is connected with Pneumatic ash conveying device; Open star-shaped ash unloading valve, the dust trapping in ash bucket is discharged into the little ash bucket 27 under it by star-shaped ash unloading valve, arrive Pneumatic ash conveying device through 90 ° of elbows (not marking in figure), magnetic valve on the compressed air line of connection pneumatic ash conveying plant is opened, Pneumatic ash conveying device work, the ash pipeline of dust after via Pneumatic ash conveying device is discharged in feed bin from material unloading chute notch.
Described ash bucket bottom is provided with level-sensing device 16, by PLC control technology, control the start and stop of Pneumatic ash conveying device by the high and low material level position of predetermined set, in the time that level-sensing device detects dust in ash bucket and reaches predetermined high charge level, pneumatic ash transmitting system unlatching work, in the time that level-sensing device detects dust in ash bucket and reaches predetermined low material level, pneumatic ash transmitting system quits work.
On described ash bucket bulkhead, be also fixedly installed hopper wall vibrator 17, to ensure ash bucket complete unloading, avoid ash material to be deposited on ash bucket bulkhead.
In this device running, when lower trolley discharging, slag is easily fallen between lower turnabout roller and sealant tape, cause between lower turnabout roller and sealant tape and produce slag inclusion, time has just been grown easily wearing and tearing sealant tape, causes dust arrester sealing property to decline, simultaneously, the sealant tape that abrasion deformation is larger carries out easy sideslip in process, also can cause sealing property to decline. For addressing this problem, described lower turnabout roller comprises tiltedly vertical edge 32 and roller integral support 36 of deslagging roller 31, roller, described deslagging roller comprises some round steel, round steel two ends and bearing block (in figure, not marking) are fixed edge joint, roller tiltedly vertical edge is fixedly connected with bearing block outside, the center roll shaft 35 of deslagging roller is connected with deslagging roller bearing, roller can freely rotate around roll shaft, the round steel permutation and combination of roller is arc surface, and the roll shaft of described deslagging roller is supported on roller integral support, be fixedly connected with between roll shaft and roller integral support.
The roller integral support of described lower changed course deslagging roller also comprises roll shaft pressing plate 34 and adjusting bolt, roll shaft pressing plate is arranged at roller integral support top by set bolt 37, be respectively arranged with upper adjusting bolt 33 and the lower adjusting bolt 38 of pairing in roll shaft upper and lower, upper adjusting bolt screws roll shaft after by roll shaft pressing plate, lower adjusting bolt screws roll shaft by roller integral support, can carry out up-down adjustment by roll shaft by upper and lower adjusting bolt, thereby upper turnabout roller or lower turnabout roller are finely tuned.
Material feeding notch totally-enclosed movable ventilation dust pelletizing system on a kind of ore deposit groove groove proposed by the invention, by mobile monomer dedusting and the hermetically sealed perfect adaptation of feed bin notch, in the situation that feed bin notch seals, realize the material dust of trapping is discharged into feed bin, can realize dump car discharging time, each dirt pits airborne dust that produces effectively traps and dirt gas is reached to discharge after purified treatment nearby, and the valency dust that has of trapping is discharged into recycling in feed bin. Greatly reduce the operating cost of cleaner, and improved productivity effect.
Claims (8)
1. material feeding notch totally-enclosed movable ventilation dust pelletizing system on an ore deposit groove groove, it comprises movable dust removal trolley, sealing device and change course device, it is characterized in that described sealing device comprises sealant tape, double-edged fine-toothed comb and sealant tape fixed tensioning device, double-edged fine-toothed comb is arranged at discharging notch top, be used for supporting sealant tape, sealant tape is arranged on double-edged fine-toothed comb top, at sealant tape head and the tail two ends, sealant tape fixed tensioning device is set respectively, described sealant tape all standing formula be arranged on discharging notch top, described movable dust removal trolley is arranged on the track newly installing additional on dump car moving track or in ground discharging notch outside, movable dust removal trolley is connected with dump car by connecting bearing pin, on movable dust removal trolley, be fixedly installed electric cabinet, blower motor, air compressor, air accumulator and monomer deduster, described electric cabinet and motor fan, air compressor is connected, electric cabinet control motor fan, the start and stop of air compressor, described air accumulator respectively with air compressor, monomer deduster is connected, described monomer deduster comprises deduster body, air inlet airduct and some dust shields, described dust shield is arranged at respectively dump car feeding chute both sides and dump car head discharge point, dust shield is communicated with airduct, the dust shield that is arranged at dump car feeding chute both sides is fixed by suspension bracket, suspension bracket is fixedly installed on airduct top, directly over feeding chute, airduct is connected with monomer deduster by being flexible coupling, described change course device comprises turnabout roller and lower turnabout roller, described change course device comprises turnabout roller and lower turnabout roller, described upper turnabout roller is arranged on directly over dump car discharge chute, and lower turnabout roller is arranged on the dust shield top of dump car feeding chute both sides.
2. material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit according to claim 1, is characterized in that being also fixedly installed anti-deviation side block in described sealant tape outside.
3. material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit according to claim 1, it is characterized in that described monomer deduster bottom is fixedly installed two ash buckets, in ash bucket bottom, star-shaped ash unloading valve is set, described monomer deduster also comprises pneumatic ash conveying plant, described pneumatic ash conveying plant comprises ash pipeline, Pneumatic ash conveying device, compressed air hose and magnetic valve, described unloading valve is connected with ash pipeline, discharging notch place is stretched in ash pipeline outlet, Pneumatic ash conveying device is arranged on ash pipeline, described compressed air hose one end is connected with air accumulator, centre is provided with magnetic valve, the compressed air hose other end is connected with Pneumatic ash conveying device.
4. material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit according to claim 3, is characterized in that being also fixedly installed little ash bucket in described star-shaped ash unloading valve bottom, and little ash bucket discharge port connects ash pipeline by 90 ° of elbows.
5. material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit according to claim 3, is characterized in that described ash bucket bottom is provided with level-sensing device.
6. material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit according to claim 3, is characterized in that being also fixedly installed hopper wall vibrator on described ash bucket bulkhead.
7. material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit according to claim 1, it is characterized in that described lower turnabout roller comprises deslagging roller, roller is vertical edge and roller integral support tiltedly, described deslagging roller comprises some round steel, round steel two ends and bearing block are fixed edge joint, roller tiltedly vertical edge is fixedly connected with bearing block outside, the center roll shaft of deslagging roller is connected with deslagging roller bearing, roller can freely rotate around roll shaft, the round steel permutation and combination of roller is arc surface, the roll shaft of described deslagging roller is supported on roller integral support, between roll shaft and roller integral support, be fixedly connected with.
8. material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit according to claim 7, the roller integral support that it is characterized in that described lower changed course deslagging roller also comprises roll shaft pressing plate and adjusting bolt, roll shaft pressing plate is arranged at roller integral support top by set bolt, be respectively arranged with upper adjusting bolt and the lower adjusting bolt of pairing in roll shaft upper and lower, upper adjusting bolt screws roll shaft after by roll shaft pressing plate, and lower adjusting bolt screws roll shaft by roller integral support.
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| CN201410303004.7A CN104150245B (en) | 2014-06-30 | 2014-06-30 | Material feeding notch totally-enclosed movable ventilation dust pelletizing system on the groove groove of a kind of ore deposit |
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| CN104150245B true CN104150245B (en) | 2016-05-18 |
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| CN109455503A (en) * | 2018-12-26 | 2019-03-12 | 中冶焦耐(大连)工程技术有限公司 | Dust-extraction unit and method when a kind of belt mobile discharge |
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