CA1178236A - Arrangement for discharging, receiving and transporting incandescent coke - Google Patents

Abstract

ARRANGEMENT FOR DISCHARGING, RECEIVING AND
TRANSPORTING INCANDESCENT COKE

Abstract In an arrangement having a fume hood arranged at a coke pushing site and a coke receptacle the invention re-sides in providing supporting members cantilevered to the fume hood and having sloping guide surfaces whereupon a roller-mounted cover is immovably rested while the coke re-ceptacle is being loaded with hot coke. Following the loa-ding operation the cover moves on its rollers along the sloping guide surfaces to close the coke admitting opening.
The cover is set in motion by means of projections provided on the receptacle which engage the projection on the cover as the coke receptacle is carried to the loading position under the fume hood and in the opposite direction.
The invention is useful with preferably a dry-type method of quenching coke.

Description

~RRANGE~EN~ OR DISC~ GING, REC~IVING AND
~'R~3POR'~ING INCA~DESCEN~ COKE

~ he present i~vention relates to the proce~in~ equ-ipme~t of coke-producing plants and more p~rticularly to an arrangement ~or discharging, racei.~i~g, and tr~nsporting incandescent coke ~rom a coke oven ~o a que~ching qite, The i~ention may pro~e mo3t adva~tageous when utilized with a dry~type method o~ quenching coke, Known in the art arc arrangeme~t~ ~or reoei~ing and tran~porting incande~cent coka, compri~ing a xemovably mou-nted open-top coke receptacle and an undercarria~e ~or tr~-n~porting the coke re¢eptacle. In operation, ~uch arrango-me~ts have been open to the objection that the transporting o~ in~andescent coke to the hoi~t of a dry que~ching in~-tallation in an open-~op coke receptacle suoh that dust and ga~es ~re~ly e~oapa theref.rom result~ in enviro~mental pol-lutio~ a~ well a~ in increa~ed burning losses ~inca coke burns most in~ensively at the open-top portio~ of the coke reoeptacle. Moreover, when coke i3 dischargad into the pri-or art receptacles through coke guides equipped with fume hoods, collecting and conducting out dust and gases becomes a problem.
An arrangement ~or disch~rging, recei~ing, and tran-sporting incandescent coke, which is bearing closely on the inventio~ (Soviet InYentor's Certi~icate No 467088~ comp-ri~es a ~ume hood arran~ed at a coka pushing site, a coXe ~17~

receptacle having an up~/ardly tapering neck portion te~ni-nating in an opening for admitting th~ hot coke, and an un-dercarriage supporting the coke receptacle Xor transporting the hot coke ~rom the coke pu~hing si-te to a quenching site Despite the ~act that the coke admitting opening in the ab-ove arrange~ent i~ smaller than that of the previously meilW
tioned arrangement~, du~t and gase~ escape to the ~tmosphe-ra and bu~1i~g lo~se3 are hi~h ~ince hot coke i~ tran~por-ted in an open-top coke receptacle.
l`heref`ore an object o~ the invention i~ to provide an arrangement for discharging, receiving, and tran~porting incande~cent coke, which o~ers 9 by simple mean~, a fume-le~s tran~porting of incandescent coke, and, consequently;
decrease in burni~g los~es duri~ ooke transportation.
The object set forth i~ attained by providing an ar-rangemen~ for discharging, receivin~, and tran~porting i~-candescent co~e, comprising a fume hood arrangad a~ a coke pu~hing ~ite, a coke receptacle having an upwardly taperin~
neck portion te~minatin$ in an opening for admitting the hot coke, and an undercarriage supporting the coke recept-acle for transporting the hot coke from the coke pushing ~ite to a quenching site~ wherein according to the inve~ti-on provided are at least two ~ide-by-side support members each cantilevered to the fume hood and having a guide sur-~ace sloping toward the free end thereo~, a cover ~or clos-ing the coke admitting ope~i~g a~ter the coke receptacle l 178~3~

has been loaded with coke, -~he cover comprising rollers ad-apted to roll along the guide sur:Eaces and at least one projection9 and -the coke receptacle comprising at least two projections provided on the outside of a side portion o~
the co~e receptacle to alterrlately engage the projection 3n the cover in, respectively~ removing and replacing the lat-ter, In ef~'ecting closing or replacement o~ th~ oov~.r one o.~ the projectio~s on the coke receptacle pushes ~he pro~e ction on the cover due to the recep-tacle move~e~t ~`.rom un~
der the fum~ hood, ~hereby the cover rnoves do~m on the rol-lers along the guide surface o~ the cantilevered suppor-t members. ~he cover is opened or removed ~hen the coke rece-ptacle is carried to be loaded with coke under the ~ume hood the other projec~ion on the receptaole en~ages the projectio~ on the cover a~d pushes the s~me projection to move the cover on ~he rollers up the guide sur~aces o~ the ca~tilevered support members.
Such an arrangement makes it possible to pre~ent em-issions into the at~osphere duri~g transportation of hot coke ~rom the pushing site to the quenching si-te ar.d thus decrease burning losses in the coke receptacle due to ~he fac-t that from the moment of coke pushing and on there are no emissions, particularly during the coke pushing the em-issions ara coll~cted under the fume hood and after the coke receptacle beg,ins movement ~rom under the ~Eume hood l 17823B

follo~Jing the coke loading operation the cover, owing to the above no~el arrangemen~; clo~es t]~e coke admitti~g ope-ning to stop the emissions, Inasmuch as the arrangement o~ the inve~tion is for operation in elevated temperatures the invention consists o~ ~imple means~ which do not requirP human attention and drive mechanisms or controls that are complicated and unre-liable under such conditions~
According to one a~pec-t of the invention the ~uide sur~aces o-~ the cantilerered su~port ~em~ers ha~e xecessed portion.~ ~o~ the rollers to stop the cover in an open posi-tionl the projection that engages the projection on the co ver when the latter is belng removed has two sloping sur~a-ces while the projection on the covex comprises a roller ~or rolling on the two sloping sur~ace~a ~ roadly speakin~ this arxan~ement improves reliabi-lity and particularly ~ake~ holdinO the cover on the suppo-rti~g membe~s more secure as well as rolling out its roll~
ers -~rom the recessed portions easier during replacement of the cover and, consequently, it ensures a fumeless transpo-rtation o~ coke.
According to another aspect of the invention the co-ver has a round-section frame and ~he coke admitting open-ing is provided with an upper sill disposed peripherally o~
the opening and is having an outer and hn inner surfaces extendin~ at an angle with one another and with t~e plane ol the coke a~nittin~ opening so that in the closed po~itl-on the ~rame o~ the cover is brought :in contact wi-th the outer ~ur~ace o~ the upper sill.
Such a covPr assembly prevents acc~nulation o~ the hot coke on the adjacent and contacting sur aces o- the re-ceptacle and ~he cover and provides a required seal between the cover a~d the receptacle walls, particularly the up~er sill .
It is desirable ~o protect the inner surface o~ the upper sill ~rom the actio~ o~ elevated tempera-ture~ a~d in the accomplishment o~ this end a heat shield i~ p~OV'f ded alon~ tha inner peripher~ o~ the upper sill 9 which shield : i~ contributi~g in maintaining a desired ~eal between the cover and the upper sill~
~ he present in~ention- is ~urther de~cribed, by way o~
ex~nple 9 with re~erence to the accompanying drawings~ in which.:
~ ig. 1 i~ a diagrammatical view o~ an arrangement ac-cording to the invantion in the loading position;
~ ig. 2 is a diagra~natical vlew OL the arran~ement according to the invention moving either from under the fume hocd or to~ard the loading position under the ~ume hood;
~ igs 3 and 4 represent top view~ o~ the arrangement and the position~ thereof in ~igs 1 and 2 respectively;
. ~ig. 5 is an enlarged fragmentary sectional view l 178236 showing the cover in position on -the coke receptacle.
Re~erring to ~ig. 19 a~ arran~ement ~or discharging~
receiving and tra~sporting incandescent cok~ comprises a ~ume ~ood 1 arranged at a coke pus~ing site such as a coke guide ol an oven-door removing carriage and con~unicating with a system for collecting emissions emanating ~rom hot coke during pushing (not sho~m), a coke receptacle 2 ha~ g an upwardly tapering neck portion 3 terminating in an open-ing 4 for admitting the hot co~e, and an undercarria~e 5 ~upporting the coke recepta~le 2 ~or tran~porting incandes-cent coke ~rom ~he ooke pushing site to a quenching site.
As can be seen in ~igs 1 through ~ illustxatin~ the arrangement o~ the invention i~ two positions, n~lel~ when the hot coke is pu~hed into the xeceptacle and in the tran-sport position, ~our supporting members 6 are cantilevered to tha ~ume hood 1 though it is to be understood that ~or the accomplishment o~ t~e objects o~ the present invention two supporting members are quite enough. According to tha present embodiment the supporting members 6 are arranged substan~ially in one horizontal plane and are u~equal in len~th while two intermediate supporti~ members are equal in length ~nd longer than the extreme members. With the aim o~ increasing load capacity o~ the supporting members 6 the latter are also co~nected to the ~wne ~ood 1 by rein~orci~
members 7. Each suppor~ing member 6 has a ~uide surI`ace 8 sloping toward it~ ~ree end ~.

l 17~3~

~ he arra~gemen-t is provided with a cover 10 ~or clos ing the coke admitting openin~; 4 a:~-ter the coke receptacle

2 has been loaded ~Jith coke. ~he cover 1 0 ha~ rollers 11 adapted to roll alo~g the guide surfaces 8 and mounted on the co~er as by lugs or other suitable means. ~he cover 10 presently comprises four rollers 119 according to the num~-er o~ the supporting member~ 6, o~ which two are te~ed front rollers and the o-ther two are back rollers. With this embodiment -the ~ront rollers ara adapted to roll on the trem~ and shorter s~pporting member~ while the ba,k rol~ers roll on the intermediate supporting member~. Also~ the rol~
lers 11 are ~hown as arranged over or above the cover 10~
~hich is to be considered ag nonrestrictive since the cover may be sub~tantially i~ one pl~e with the rollerQ or ~bove.
In the embodIment illustrated the cover 10 is usually a~
clo~e to the co~e admitting opening as possible, i.e. the cover trav~ls the shortest po~sible distance ~rom the open to the closed po~itionv The covex 10 is provided with a projection 12, in the embodime~t illustr~ted it is extending do~v~r~rdly, the pur-pose o~ which will b~ hereinaPter described.
Also, the guide sur~aces ~ have recessed portions 13 for the rollers 11, in the embodiment illustrated they are intended for the ~ro~t rollers. ~he recessed portions 13 pro~ide means ~or stopping the cover 10 in the open posi~
on~
'.

l~7~3 ~ s can be seen in the drat,.~in~s the coke recept~cle 2 comprises two projections ~4 and 15 pro~ided on the outside o~ the ~ide portion or t~e neck por~i.on 3 o~ the coke rece-ptacle and arranged so that., in operation9 they alternately engage the projection 120 ~n the embodi~ent illustr~ted the projectio~s 14 and 15 are arranged substantially in one ho-rizontal plane alld spaced so that they do not i~terlere with the movement of the projection 12~ the pxojection 15 having two sloping surfaces ~dapted to in~lu~nce the movem-ent o~ the projection 12~ Xn order to reduce fric~ion `b~t-ween the projection 12 and the ~ur~aces o~ the projectio~
15 the ~ormer is provided wit}l a roller 16 adapted to roll on the æur~ac~æ of the latter~
Referri~$ speci~ically to ~igs 1 and 2~ the sur~aces o~ the projection 15 are sloping in the directions corres-po~ding to the movement o~ the coke receptacle 2 toward t~e loading position and from that position a~ter loadin~ It is well hera to observe that the proiection~ 14 and 15 may be pro~idsd at both sides of ~he neck portion 3 aæ may be a projection ~imilar to the projection 12 on the opposite side o~ the cover 10.
~ ig. 5 show~ an enlarged ~ragmentary section o~ the co~er 10 in position on the neck portion 3.
According to the inventio~ the cover 10 has a fr~mP
17 of a round cross-~ection wllile the coke admitti~g open-ing 4 is provided with an upper sill 18 disposed perip~ar-l ~ ~8236 g ally of the opening~ The upper sill 18 is of a box sectionand has an outer 19 and an inner 20 surfaces extending at an angle with one another and with the plane of the coke admitting opening 4, the plane being usually horizontal.
The upper sill 18 and the frame 17 are disposed so that in the closed position, the frame 17 at its outer surface is brought in contact with the outer surface l9 of the upper sill 18. The inner surface 20 is protected by a heat shield 21, which is also used for mounting lining plates 22.
In operation, the coke receptacle 2 is positioned for loading under the fume hood 1 to be spaced from the hood a minimum amount as at a in Fig. 1. At this instance, -t:he co-ver is on the guide surfaces 8 of the supporting members 6, the front rollers 11 being sunk in the recessed portions 13.
After the coke receptacle 2 has been loaded with hot coke, it is carried in the direction of the cover lO, which is somewhat lifted at one side due to the roller 16 rolling on the sloping surface of the projection 15 by the action of the projection 14. As a result of such one-sided lifting of the cover lO, the rollers 11 are disengaged from the re-cessed portions and now the cover 10 moves down on its rol-lers along the sloping portion of the guide surfaces 8 as the receptacle 2 moves on. As this takes place, the projec-tion 12 is between the projections 14 and 15 due to the fact that the coke receptacle 2 is in motion and the angle of inclination of the guide surfaces 8 and the distance, :1 7~36 w~ich the roller 16 is to roll along the surface OI` the projection 15 slopin~ to~ard the projection 1~, are ~dopted such that the roller 16 will not roll over the ridge b o~
tha projectio~ l 5 o In thls ~ay the speed of motion and the distance the cover 10 moves ~ ile being replaced on the op-ening 4 ar~ checked~ ter the cover 10 has been replaced on the opening 4 the coke receptacle 2 keeps moving on to-ward the coke quenching sit2.
~ ollowing empt~ing o~ the recept~cle1 ~rom which the co~e is di~ohar~ed through the bottom ope~in~ ~not ~ho~m), the coke roceptacle.2 with the cover 10 in position is car-ried to the coke pushing site. As the recepta~e 2 i3 moved into the loading positio~ under the ~ume hood 1 the cover 10 is carried against the supporting membex~ 6 and the rol-lers 11 roll up along the guide sur~aces 8 u~til they sink into the recessed portions 13 to thereby remo~e the cover 10 under the action o~ the projection 15, which is in enga-gement with the projection 12. As the receptacle 2 is car-ried on~ the rollers 16 roll over the ridge b of the proje ction 15 and the receptacle keeps moving under the ~ume hood to the loading position.

Claims (4)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:

1. An arrangement for discharging, receiving and transporting incandescent coke, comprising a fume hood ar-ranged at a coke pushing site, a coke receptacle having an upwardly tapering neck portion terminating in an opening for admitting the hot coke and comprising a first and a se-cond projection provided on the outside of a side portion of said coke receptacle and arranged in one substantially horizontal plane, an undercarriage supporting said coke re-ceptacle for transporting the same with hot coke from the coke pushing site to a quenching site; at least two side--by-side support members each cantilevered to said fume hood and having a guide surface sloping toward the free end thereof; a cover for closing the coke admitting opening of said coke receptacle after the latter has been loaded with coke, said cover comprising rollers adapted to roll along the guide surfaces of said at least two cantilevered sup-port members and a third projection adapted to be driven by said first projection when said coke receptacle is carried on said undercarriage from under said fume hood after a lo-adful of coke has been pushed thereto, whereby said cover moves down on said rollers along the guide surface of said at least two cantilevered supporting members to close the coke admitting opening, and by said second projection when said coke receptacle is carried to be loaded with coke und-er said fume hood, whereby said cover moves up on said rol-lers along the guide surfaces to uncover the coke admitting opening and to be rested on said cantilevered supporting members thus disengaging said third projection from said second projection while said coke receptacle is further carried under said fume hood.

2. An arrangement as claimed in claim 1, wherein the guide surfaces of said cantilevered support members have recessed portions for the rollers to stop said cover in an open position, said second projection having two sloping surfaces and said third projection comprising a roller for rolling on the sloping surfaces of said second projection.

3. An arrangement as claimed in claim 1, wherein said cover has a round-section frame and the coke admitting ope-ning is provided with an upper sill disposed peripherally of the opening and is having an outer and an inner surfaces extending at an angle with one another and with the plane of the coke admitting opening so that in the closed positi-on the frame of said cover is brought in contact with the outer surface of said upper sill.

4. An arrangement as claimed in claim 3, wherein a heat shield is provided along the inner periphery of the upper sill to thereby protect the inner surface of the up-per sill.