FR2651031A1 - Device making it possible automatically to supply a coal-fired heater with grains with the clinker being automatically taken up - Google Patents

Device making it possible automatically to supply a coal-fired heater with grains with the clinker being automatically taken up Download PDF

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Publication number
FR2651031A1
FR2651031A1 FR8910905A FR8910905A FR2651031A1 FR 2651031 A1 FR2651031 A1 FR 2651031A1 FR 8910905 A FR8910905 A FR 8910905A FR 8910905 A FR8910905 A FR 8910905A FR 2651031 A1 FR2651031 A1 FR 2651031A1
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cyclone
coal
slag
silo
supply
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FR8910905A
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FR2651031B1 (en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F23J1/02—Apparatus for removing ash, clinker, or slag from ash-pits, e.g. by employing trucks or conveyors, by employing suction devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/06—Gas pressure systems operating without fluidisation of the materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/24—Gas suction systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Transport Of Granular Materials (AREA)

Abstract

The invention relates to a method making it possible to supply a coal-fired boiler E with grains automatically and pneumatically from a tanker lorry 16, and, using the same tanker 16, to take the clinker back up by gravity under the cyclone hopper G, under conditions of comfort similar to a liquid fuel-fired boiler. The supply with coal of the cyclone C may be provided depending on the fragility and humidity of the grains being sucked up or delivered. The taking up of the clinker at the beginning of the crusher X is produced by suction by the swinging pipe F towards the hopper G. The exclusively one-way blower is used depending on the position of the valves, in suction or in delivery.

Description

@e secteur technique est celui de la manutention du charbon en grains en vrac pour l'alimentation automatique des chaudieres. @e technical sector is that of handling bulk granular coal for automatic feeding of boilers.

automatisme rendant l'utilisation du charbon compatible avec les exigences de notre epoque, et comparable en tout cas au consort des combustibles liquides.automation making the use of coal compatible with the requirements of our time, and comparable in any case to the consort of liquid fuels.

Pour renare le charbon attractit, il est indispensable de supprimer tous contacts manuel et visuel avec ce dernier.To replace charcoal attractit, it is essential to remove all manual and visual contact with it.

il existe deja des installations de stockage et de manutention de charbon en vrac pour l'alimentatlon des chaudieres, mais ces installations sont souvent tres importantes et onereuses et de ce tait, ne peuvent s'appliquer qu'a de tres grosses chaufferies. there are already facilities for storing and handling bulk coal for the supply of boilers, but these facilities are often very large and expensive and therefore can only be applied to very large boilers.

De plus les stockages, souvent tres importants, sont la plupart du temps a l'air iibre et aux intemperies, la reprise et les transterts touJours mecaniques.In addition, the storage, often very important, is most of the time in the open air and in the bad weather, the recovery and the transfers always mechanical.

Des broyeurs sont utilises pour traiter les grains et le tout venant en taisant de ceux-ci des pulverulents qui seront inJectes directement dans les chaudières apres sechage dans des appareils adequates. De tels dispositifs sont utilises dans les Cimenteries, Centrale EdF, etc...mais ne peuvent en aucun cas convenir å de petite et moyenne chaufferie.Grinders are used to treat the grains and all of this by silencing the pulverulants which will be injected directly into the boilers after drying in suitable devices. Such devices are used in Cement works, Centrale EdF, etc ... but can in no case be suitable for small and medium boiler rooms.

L'image du charbon, dont le nom est souvent synonyme de poussiere, constitue un handicap 'important aux yeux des Collectivites locales, compte tenu de l'implantation de certaines de ces chaufferies en milieu urbain.. The image of coal, whose name is often synonymous with dust, constitutes a significant handicap in the eyes of local authorities, given the location of some of these boilers in urban areas.

Pour os raisons la penetration du charbon dans ces chauffer@es est faible maigre l'interet economique que presente cette energie.For your reasons, the penetration of coal in these heaters is low, but the economic interest of this energy is low.

L'objectif recherche selon l'invention est de rapprocner le plus possible les dispositits de manutention et de stockage au charbon de ceux des combustibles liquides habituels, pour ce faire seule une solution pneumatique semble adequate maigre ie fait que si les pulverulents se transportent pneumatiquement, pratiquement sans dommage, il n'en est malheureusement pas de meme pour les grains, lesquels plus ou moins delicats et friables ont tendance, s'ils sont maltraites, å arriver en bout de parcourt avec un pourcentage de bris tel, qu'ils sont compara bles, en tous ponts, aux pulverulents apres leur manutention et ae ce rait souvent inutilisables.The objective sought according to the invention is to bring as close as possible the coal handling and storage devices to those of the usual liquid fuels, to do this only a pneumatic solution seems adequate, ie the fact that if the pulverulants are transported pneumatically, practically without damage, it is unfortunately not the same for the grains, which more or less delicate and brittle tend, if they are mistreated, to arrive at the end of the journey with a percentage of breakage such that they are comparable, in all bridges, to pulverulants after handling and this is often unusable.

C'est la cas du charbon en grains qui, tres tenure demande beaucoup de precaution lors de sa manutenton, sa combustlon n'tant pratiquement plus possible au dela d'un pourcentage de 10 a 15% de fines.This is the case of granular coal which, very tenure requires a lot of precaution during its handling, its combustlon being practically no longer possible beyond a percentage of 10 to 15% of fines.

Le but de l'invention est donc de resoudre ces problemes en proposant une installation complete, toute automatique, dont la conception soit simple, robuste et fiable, d'un prix de revient peu eleve, en limitant au maximum le bris des grains.The object of the invention is therefore to solve these problems by proposing a complete, fully automatic installation, the design of which is simple, robust and reliable, at a low cost price, by limiting grain breakage as much as possible.

La description qui va suivre en regard des dessins annexes å titre non limitatif permettra de bien comprendrecomment la presente invention peut etre mise en pratique.The description which follows with reference to the non-limiting annexed drawings will allow a good understanding of how the present invention can be put into practice.

La Figure 1 represente schematiquement l'ensemble de l'instal @ation avec tous ses composants selon la presente invention.Figure 1 shows schematically the entire installation with all its components according to the present invention.

La Figure 2 represente ltarriére du camion pneumatique de li- vraison vu en elevation, vu arriere avec un détail de l'injec teur bilateral (S') dans sa premiere norme d'execution, et sa piece d'adaptation (S") avec clapet anti-retour (S.2) selon l'invention.Figure 2 shows the rear of the pneumatic delivery truck seen in elevation, seen rear with a detail of the bilateral injector (S ') in its first execution standard, and its adaptation piece (S ") with non-return valve (S.2) according to the invention.

La Figure 3 represente l'injecteur dans sa deuxieme forme d'execution sous silo en plan, en elevation laterale, en elevation arriere, équipe de son obturateur tSO) sous le silo tAv selon l'invention.Figure 3 shows the injector in its second embodiment in silo in plan, in side elevation, in rear elevation, equipped with its shutter tSO) under the silo tAv according to the invention.

Dans le cadre de l'invention exposee ci-apres la livraison au charbon en grains se fait en vrac par camion-citerne (N) dans un silo vertical A) assurant un stockage important, dans une surtace reduite, silo installe tant a l'exterieur qu'a l'interieur de la chautterie, le charbon n'etant visible a aucun moment de son déchargement ou de son transfert vers la chaudiere. In the context of the invention set out below, delivery in granular coal is made in bulk by tanker truck (N) in a vertical silo A) ensuring significant storage, in a reduced surface area, silo installed both in outside than inside the chautter, the coal is not visible at any time when it is unloaded or transferred to the boiler.

il est indispensable dans cette forme de realisation que l'ensemble soit automatique et discret, tant en alimentation du charbon, qu'en reprise des scories. Le choix d'un automate est judicieux.it is essential in this embodiment that the assembly is automatic and discreet, both in feeding coal and in recovery of slag. The choice of an automaton is judicious.

A cet effet l'invention se rapporte a un procede pneumatique, de transfert de charbon en aspiration ou en refoulement, d'alimentation automatique d'une chaufferie a charbon en grains avec reprise des scories par aspiration comportant un silo (A) Fig.l de stockage charbon de forme cylindro-conique, d'un volume determine en fonction de la consommation @ournaliere ae combustible, pour au moins trois jours d'autonomie, deux detecteurs ae-nlveau ( D.8 & D.9) adonnent l'alerte en cas de besoln.To this end, the invention relates to a pneumatic process, for transferring coal by suction or discharge, automatic feeding of a coal-fired boiler room with recovery of slag by suction comprising a silo (A) Fig.l of cylindrical-conical shape coal storage, of a volume determined according to the daily consumption of fuel, for at least three days of autonomy, two level detectors (D.8 & D.9) add the alert in case of besoln.

Ce silo (A) Fig. 1 parfaitement nermetique sera avantageusement installe sur jauges de contrainte (Y)afin d'indiquer constam ment l'etat du stock, auquel cas les detecteurs (D.8 & 1).Y) ne sont pas indispensables.This silo (A) Fig. 1 perfectly nermetic will advantageously be installed on strain gauges (Y) in order to constantly indicate the state of the stock, in which case the detectors (D.8 & 1) .Y) are not essential.

L'alimentation de ce silo (A) Fig.1 en charbon en grains sera assure Par un camion a vidange pneumatique (N). equipe d'une tuvere (S),a sorties bilaterales, caractcrisee par un passage cirect eliminant le bris du grain au maximum, par une tuyauterie (@) comportant un minimum de coudes, dont une extremite débouchera sur la partie haute du silo (A), garnie d'une lyre a tres grand rayon R = 1500 pour un de tuyauterie de 100, l'autre sera ramenee a hauteur d'homme, en un endroit plus ou moins eloignée du silo (A), sulvant les possibilites d'acces du camion de livraison (N).This grain silo (A) Fig.1 will be supplied with grain coal by a pneumatic emptying truck (N). fitted with a barrel (S), with bilateral outlets, characterized by a direct passage eliminating breakage of the grain as much as possible, by a pipe (@) comprising a minimum of bends, one end of which will lead to the upper part of the silo (A ), furnished with a lyre with a very large radius R = 1500 for one of piping of 100, the other will be brought down to breast height, in a place more or less distant from the silo (A), under the possibilities of delivery truck access (N).

Pendant le remplissage du silo (A) Fig.l, l'air s'echappera par la tuyauterie tR) la vanne (V.13) ouverte afin que cet air transite par le filtre (B) et retourne propre a l'atmospnere par la vanne (V.7)
L'extrémité du tuyau d'alimentation tO) sera equipee d'un raccord symetrique ou autre, comportant un contact de presence des flexibles (D.5), interdlssant toute demande d'ordre d'approvisionnement pendant le chargement, une vanne (V.12) assurera une fermeture hermétique avant remise en service du
Silo (A).While filling the silo (A) Fig.l, the air will escape through the piping tR) the valve (V.13) open so that this air passes through the filter (B) and returns clean to the atmosphere by the valve (V.7)
The end of the supply pipe tO) will be fitted with a symmetrical or other fitting, comprising a contact for the presence of the hoses (D.5), preventing any request for a supply order during loading, a valve (V .12) ensure a hermetic closure before putting the unit back into service
Silo (A).

La deterioration des grains tres fiables etant le souci premier lors de toutes manutentions, la partie basse du silo (A) sera garnie suivant un mode de réalisation de l'invention d'un injecteur (S) Fig. étudié specialement pour ne pas briser les grains lors de la prise en charge, il sera base sur le meme principe mais pas identique quant a sa construction a celui equipant le véhicule de livraison (N). Un obturateur a commande air comprime (S.O) permet d'isoler l'injecteur (S).The deterioration of very reliable grains being the primary concern during all handling, the lower part of the silo (A) will be furnished according to one embodiment of the invention with an injector (S) FIG. studied specially not to break the grains during the takeover, it will be based on the same principle but not identical as for its construction to that equipping the delivery vehicle (N). A shutter with compressed air control (S.O) isolates the injector (S).

L'intecteur (S) Fig.2 equipant l'arriere de la citerne (N) est ciu type oilateral permettant une vidange avec une tuyauterie pratiquement droite (S') Fig.2.The detector (S) Fig.2 fitted to the rear of the tank (N) is of the oilateral type allowing emptying with practically straight piping (S ') Fig.2.

Un cyclone (D) isole par une vanne (V.10) a sa base est monte en charge sur la tremie a charbon (E)de la chaudière, tremie protcgee de tout debordement par les niveaux (D.1-D.6) Fig.l. A cyclone (D) isolated by a valve (V.10) at its base is loaded onto the coal hopper (E) of the boiler, hopper protected from overflow by the levels (D.1-D.6) Fig. L.

Ce cyclone (D) est équipe de 2 détecteurs de niveau (D2-D3).This cyclone (D) is equipped with 2 level detectors (D2-D3).

un en haut, un en bas, qui commandent le cycle de remplissage automatique et d'un obturateur (V.10) qui assure l'étanchéite entre chaque vidange Fig.1
Le remplissage de ce cyclone (D) peut s'effectuer de deux façons suivant la résistance du grain et son hygrométrie
VIDANGE EN DEPRESSION Fig.l * par le vide, auquel cas le cyclone (D) est mis sous creux, obturateurs (V.10-V.11) fermés, par le surpresseur (K) equipe de ses deux silencieux. admission (L), echappement (M). et en transltant par deux filtres a manches (B et C) en charge egalement sur la tremie a charbon (E), ces filtres sont équipes eux-memes d'une vanne de vidange (V.11 et V.11') et protegent le surpresseur de toute absorbtion de corps etranger l'automatisme ouvrira les vannes (V.5) et eventuellement (V.Y) permettant une entree d'air avant et après la tuyere (S).one at the top, one at the bottom, which control the automatic filling cycle and a shutter (V.10) which ensures the seal between each drain Fig. 1
The filling of this cyclone (D) can be done in two ways depending on the resistance of the grain and its hygrometry
DRAIN IN DEPRESSION Fig.l * by vacuum, in which case the cyclone (D) is placed in a hollow, shutters (V.10-V.11) closed, by the booster (K) fitted with its two silencers. intake (L), exhaust (M). and by using two bag filters (B and C) also loaded on the coal hopper (E), these filters are themselves fitted with a drain valve (V.11 and V.11 ') and protect the booster for any foreign body absorption the automation will open the valves (V.5) and possibly (VY) allowing air intake before and after the nozzle (S).

Dans ce cas l'air du surpresseur est renvoye propre dans l'at- mosthere par la vanne (V.8).In this case the air from the booster is returned clean to the atmosphere by the valve (V.8).

VIDANGE EN AIR PULSE Fig.1 * en pression, la vanne échappement (V.8) fermee, le surpresseur (K) alimente directement en air comprime la tuvére (S) qui par pulsion entraîne les grains provenant du silo (A) en charge. Les vannes d'injection (V2 et V3) sont utilisées dans le cycle automatique pour faciliter la chasse, commandees par le vacuometre (P.2). Dans ce cas les filtres (B et t, retiennent les poussieres apres passage dans le cyclone (D) pour s'echapper et retourner propre a l'atmosphère par la vanne (V.7) ouverte.DRAINING IN PULSE AIR Fig. 1 * in pressure, the exhaust valve (V.8) closed, the blower (K) directly supplies compressed air to the tuvére (S) which by pulse drives the grains coming from the silo (A) under load . The injection valves (V2 and V3) are used in the automatic cycle to facilitate flushing, controlled by the vacuum gauge (P.2). In this case the filters (B and t, retain the dust after passing through the cyclone (D) to escape and return clean to the atmosphere through the open valve (V.7).

Le surpresseur (K), tournant toujours dans le mémé sens, est alimente en air par la vanne (V.1) protegee-par un filtre (F.1) , le manostat (P.1) commandant en cas de surpression l'ouverture des vannes (V.2 - V,3). The booster (K), always rotating in the same direction, is supplied with air by the valve (V.1) protected by a filter (F.1), the pressure switch (P.1) controlling in the event of overpressure. opening of the valves (V.2 - V, 3).

ASPIRATION DES SCORIES Fig.l
A la base de la chaudiere un broyeur a scories (X) déversé les residus dans la tremie à scories (Z) équip@e d'une canne d'aspiration scories tF) comportant outre une gaine d'air exterieure (J), une vanne (V.15) permettant un apport d'air en cas de bourrage, commandée automatiquement par le vacuometre (P.2) positionne a l'admission au surpresseur. Cette vanne (V.15) peut ëtre utilisée également en cas de branchement d'un flexible pour nettoyage des locaux.SUCTION OF SLAGS Fig. L
At the base of the boiler a slag grinder (X) discharged the residues into the slag hopper (Z) equipped with a slag suction rod tF) comprising in addition to an external air duct (J) valve (V.15) allowing an air supply in the event of a blockage, automatically controlled by the vacuum gauge (P.2) positioned at the intake to the booster. This valve (V.15) can also be used when connecting a hose for cleaning the premises.

Sur sa partie superieure une articulation du tuyau (W) permet a la canne un mouvement de va et vient afin d'eviter un voutage des cendres qui s'effondrera obligatoirement lors de ce deplacement. Ce mouvement est assure par un verin a air comprime (P) commandé par le vacuometre (P.2) constatant une depression insuffisante.On its upper part an articulation of the pipe (W) allows the rod to move back and forth in order to avoid a vaulting of the ashes which will necessarily collapse during this displacement. This movement is ensured by a compressed air cylinder (P) controlled by the vacuum gauge (P.2) noting an insufficient depression.

L'aspiration t le stockage des cendres sont assures par un silo cyclone a scories () Fig.l mls sous creux par le surpresseur (K) cote aspiration, transite par le filtre manches (C), apres fermeture de la vanne (V.21), la vanne (V.14) ouverte, les vannes (V.1 et V.7 > fermees.The aspiration and storage of the ashes are ensured by a cyclone silica with slag () Fig. L mls under the hollow by the blower (K) on the suction side, passed through the bag filter (C), after closing the valve (V. 21), the valve (V.14) open, the valves (V.1 and V.7> closed.

A la base de ce silo cyclone (G) Fig.1 a scories est monté un obturateur manuel (V.21) équipe d'une manche télescopique (U) venant se fixer sur l'orifice de remplissage du camion (N) qui reçoit par le trou d'homme, (cette vanne (V.21) manuellement ouverte, et par gravite les scories, ceci bien évidemment apres vidange de la citerne (N) de son charbon livre au préalable dans le silo (A).At the base of this cyclone silo (G) Fig.1 a slag is mounted a manual shutter (V.21) equipped with a telescopic handle (U) fixed on the filling opening of the truck (N) which receives by the manhole, (this valve (V.21) manually open, and by gravity the slag, this obviously after emptying of the tank (N) of its coal delivered beforehand in the silo (A).

Par ce procede les kilométrées sont rentabilises au maximum, le camion de livraison (N > arrive charge de charbon, repart charge pour partie de scories et diverses poussières.By this process the kilometers are profitable to the maximum, the delivery truck (N> arrives loaded with coal, leaves loaded partly with slag and various dusts.

Un avantage de plus peut etre apporte par l'adjonction supplie mentaire d'un circuit de nettoyage pour l'entretien des locaux (partant un atout de confort et de sécurité) entraînant tres peu de trais supplementaires pour son installation, le circuit de dépression etant branche directement sur la tuyauterie CP) de reprise de scories, la vanne (V.15) pouvant eventuellement être garnie d'un raccord rapide ou d'une rampe de distribution pour branchement d'un ou plusieurs flexiblesd'appareils ménager.An additional advantage can be brought by the additional addition of a cleaning circuit for the maintenance of the premises (thus an asset of comfort and security) resulting in very few additional lines for its installation, the vacuum circuit being connects directly to the slag recovery pipe CP), the valve (V.15) possibly being fitted with a quick coupling or a distribution ramp for connection of one or more household appliance hoses.

Dans ce cas il est indispensable de prevoir une vanne (S.22) pour fermer manuellement le circuit d'aspiration de la canne (F) pendant le nettoyage des locaux. In this case it is essential to provide a valve (S.22) to manually close the cane suction circuit (F) during the cleaning of the premises.

Claims (1)

REVENDICATIONS s - Proceder permettant d'alimenter une chaudière (E) en combustible charbon en grains au depart d'un camion a vidange pneumatique (N) équipe d'un injecteur (S') a sorties bilaterales, alimentant un silo cylindro-conique (A) garni a sa base d'un injecteur (S) conforme a l'invention, specialement etudié pour ne pas briser le grain lors de la prise en charge et du transport jusqu'au cyclone (D) dispose sur la tremie (E) de la chaudière. Reprise des scories par depression au depart du broyeur (X) par la canne (F) artlculee n W pour assurer par le verin (P) le démontage eventuel. s - Proceed to supply a boiler (E) with granular coal fuel from a pneumatic emptying truck (N) fitted with an injector (S ') with bilateral outputs, feeding a cylindrical-conical silo (A ) lined at its base with an injector (S) according to the invention, specially designed not to break the grain during the taking over and transport to the cyclone (D) arranged on the hopper (E) Boiler. Resumption of slag by vacuum at the start of the crusher (X) by the rod (F) articulated n W to ensure by the jack (P) possible disassembly. il - Dispositif destiné a la mise en oeuvre du procede selon la revendication I caractérisé par le fait qu'il comprena un cyclone de réception tD) munf d'une entree cyclone grand rayon permettant une chute de vitesse importante des grains pour en limiter le bris lors de leur chuté.  it - Device intended for the implementation of the method according to claim I characterized in that it included a reception cyclone tD) provided with a large radius cyclone inlet allowing a significant drop in speed of the grains to limit breakage when they fell. III - Dispositif selon la revendication 2 caractérise par le tait que ledit agencement de reception de grains comporte deux filtres (B et C) a manches b nettoyage automatique permettant d'épurer l'air admis par le surpresseur CK) lors d'un fonctionnement en dépression et le nettoyage de l'air avant son retour å l'atmosphère en transport en pulsion par la vanne (V.7).III - Device according to claim 2 characterized by the fact that said grain receiving arrangement comprises two filters (B and C) with automatic cleaning sleeves b purifying the air admitted by the blower CK) during operation in vacuum and cleaning of the air before it returns to the atmosphere when transported by the valve (V.7). IV - Dispositif selon les revendications 2. ou 3 caractérise par le talt que l'alimentation du cyclone peut être realisee en pulsion ou en depression suivant la qualite et l'hygrometrie du grain.IV - Device according to claims 2 or 3 characterized by the talt that the cyclone can be supplied with a pressure or a vacuum depending on the quality and the humidity of the grain. V - Dispostif selon l'une quelconque dés revendications 1 et 2 caractérisé par lé fait que les injecteurs (S et S' et le cyclone (U) ont ete étudiés pour eviter au maximum le @ris ou grain lors des transferts.V - A device according to any one of claims 1 and 2 characterized by the fact that the injectors (S and S 'and the cyclone (U) have been studied to avoid as much as possible @ris or grain during transfers. VI - Dispositif selon la revendication I caractérise par le fait que une reprise de scories est assuree par une canne (F > articulee en W est mue par le vérin (P) a mouvement alternatif destine a briser la voute lors de la formation de cratères au cours de la vidange de la tosse å cendres.VI - Device according to claim I characterized in that a recovery of slag is provided by a rod (F> articulated in W is moved by the cylinder (P) reciprocating intended to break the arch during the formation of craters at during the emptying of the ash basket. VII - Dispositif selon les revendications 1 et @ caracterise par le tait que le silo cyclone (G) est mis sous creux par lé surpresseur (K) assure l'aspiration des scories par la canne (F) et le tuyau (P) pour s'autocharger et stocker les cendres avant d'assurer par gravité le chargement du camion citerne (N).VII - Device according to Claims 1 and @ characterized by the fact that the cyclone silo (G) is placed in the hollow by the blower (K) ensures the suction of the slag by the cane (F) and the pipe (P) for s '' autoload and store the ashes before ensuring gravity loading of the tank truck (N). VIII - Dispositif selon l'une quelconque des revendications ï, , et 7 caracterlse par le fait que la citerne (N) assure l'approvisionnement en charbon du silo (A) a l'aller et la reprise des scories sous le silo à scories (G) pour le retour. VIII - Device according to any one of claims ï,, and 7 characterized by the fact that the tank (N) ensures the supply of coal to the silo (A) on the outward journey and the recovery of the slag under the slag silo (G) for the return.
FR8910905A 1989-08-16 1989-08-16 DEVICE FOR THE AUTOMATIC FEEDING OF A COAL GRAIN BOILER WITH AUTOMATIC SCORING RECOVERY Expired - Lifetime FR2651031B1 (en)

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FR8910905A FR2651031B1 (en) 1989-08-16 1989-08-16 DEVICE FOR THE AUTOMATIC FEEDING OF A COAL GRAIN BOILER WITH AUTOMATIC SCORING RECOVERY

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2798372A1 (en) * 1999-09-13 2001-03-16 Dussau Distrib Granular anima feed handling and dust suppression has granulate feed with two cyclones to supply feed to cells
CN108100674A (en) * 2017-11-28 2018-06-01 佛山科学技术学院 A kind of industrial chemicals extractor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB627424A (en) * 1946-04-01 1949-08-09 Kennedy Van Saun Mfg & Eng Improvements in method and apparatus for handling finely divided materials
FR1056738A (en) * 1951-11-08 1954-03-02 Method of transporting wet scumble materials in air conveyors
US3047340A (en) * 1958-09-29 1962-07-31 George O Graves Material handling apparatus
GB1183451A (en) * 1966-01-22 1970-03-04 A R Hancox Ltd Plant for Automatically Feeding Solid Fuel to Solid Fuel Fired Boilers and for the Disposal of the Ash Produced
GB2115546A (en) * 1982-02-13 1983-09-07 Zimmermann Azo Maschf An apparatus for supplying fuel to and taking ash from a heating plant
WO1984000600A1 (en) * 1982-07-23 1984-02-16 Comfort Heiztechnik Method and device for supplying solid fuels to consumers
GB2150678A (en) * 1983-12-02 1985-07-03 Coal Ind Ash handling systems for combustion equipment
US4659262A (en) * 1985-03-04 1987-04-21 Cyclonaire Bulk Cargo Systems, Inc. Mobile self contained pneumatic conveying system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB627424A (en) * 1946-04-01 1949-08-09 Kennedy Van Saun Mfg & Eng Improvements in method and apparatus for handling finely divided materials
FR1056738A (en) * 1951-11-08 1954-03-02 Method of transporting wet scumble materials in air conveyors
US3047340A (en) * 1958-09-29 1962-07-31 George O Graves Material handling apparatus
GB1183451A (en) * 1966-01-22 1970-03-04 A R Hancox Ltd Plant for Automatically Feeding Solid Fuel to Solid Fuel Fired Boilers and for the Disposal of the Ash Produced
GB2115546A (en) * 1982-02-13 1983-09-07 Zimmermann Azo Maschf An apparatus for supplying fuel to and taking ash from a heating plant
WO1984000600A1 (en) * 1982-07-23 1984-02-16 Comfort Heiztechnik Method and device for supplying solid fuels to consumers
GB2150678A (en) * 1983-12-02 1985-07-03 Coal Ind Ash handling systems for combustion equipment
US4659262A (en) * 1985-03-04 1987-04-21 Cyclonaire Bulk Cargo Systems, Inc. Mobile self contained pneumatic conveying system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2798372A1 (en) * 1999-09-13 2001-03-16 Dussau Distrib Granular anima feed handling and dust suppression has granulate feed with two cyclones to supply feed to cells
CN108100674A (en) * 2017-11-28 2018-06-01 佛山科学技术学院 A kind of industrial chemicals extractor
CN108100674B (en) * 2017-11-28 2024-04-30 佛山科学技术学院 Chemical raw material suction device

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