EP0094935A1 - Structure pour une reaction de desulfuration du charbon en continu - Google Patents

Structure pour une reaction de desulfuration du charbon en continu

Info

Publication number
EP0094935A1
EP0094935A1 EP82900231A EP82900231A EP0094935A1 EP 0094935 A1 EP0094935 A1 EP 0094935A1 EP 82900231 A EP82900231 A EP 82900231A EP 82900231 A EP82900231 A EP 82900231A EP 0094935 A1 EP0094935 A1 EP 0094935A1
Authority
EP
European Patent Office
Prior art keywords
work product
chamber
rotation
housing means
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP82900231A
Other languages
German (de)
English (en)
Inventor
F.Allen Grove
Philip R. Larue
Martin L. Chappell
Anthony J. Chinnici
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0094935A1 publication Critical patent/EP0094935A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/30—Mixing gases with solids
    • B01F23/34—Mixing gases with solids by introducing gases in solid materials, e.g. in masses of powder or particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/565—Mixing liquids with solids by introducing liquids in solid material, e.g. to obtain slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/62—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis comprising liquid feeding, e.g. spraying means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
    • B01F33/8363—Mixing plants; Combinations of mixers combining mixing with other treatments with coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/02—Treating solid fuels to improve their combustion by chemical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1144—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections with a plurality of blades following a helical path on a shaft or a blade support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis

Definitions

  • This invention relates to continuous-line treat ⁇ ment of pulverant solids. More particularly, this inven ⁇ tion is concerned with apparatus defining a longitudinally- extended reaction chamber and providing for continuous move ment of work product containing pulverant coal through such chamber free of pneumatic impulsion and in a manner enablin use of fluid reactants for extraction, of sulfur from the
  • the present invention enables treatment with fluids including gaseous treatment while providing for mechanically controlled continuous movement of work product eliminating product handling problems and providing for commercially economic production rates.
  • Exposure time is controlled to provide for sequential
  • continuous-line treatments including gaseous extraction of sulfur from coal coupled to continuous-line treatment using a fluid reactant to convert extracted sulfur to useful by-product readily separable from the coal.
  • Direct impingement of reactant gas is provided along an elongated travel path using economic, problem-free movement measures and structures. Further, the apparatus
  • FIG. 1 is an elevational view, with portions cut away and portions shown in dotted lines, of apparatus embodying the invention
  • FIG. 2 is a top plan view of the apparatus of FIG.
  • FIG. 3 is a cross-sectional view of the apparatus of FIG. 1;
  • FIG. 4 is a schematic elevational view of an interior portion of the apparatus of FIG. 1 for illustrating functional aspects of the invention
  • FIGS. 5 through 8 are schematic cross section views of the apparatus of FIG. -4 with the ribbon-band auger at differing angles of rotation for illustrating functional aspects of the invention
  • FIG. 9 is a schematic elevational view combining first and second reaction chamber structures of the embodi ⁇ ment of FIGS. 1-3 stacked in series for sequential treat ⁇ ment of work product made available by the present inventio
  • FIG. 10 is a schematic perspective view showing a plurality of reaction chamber structures of the embodimen of FIGS. 1-3 in a parallel-path series-stacked combination made available with the present invention*.
  • the longitudinally-extended reaction chamber structure of the present invention is defined by a housing means circumscribing a helical-path ribbon band auger for conveying work product by rotation within the housing means. Both longitudinal movement of work product and a tumbling,
  • the housing means has a cross-sectional configura tion which provides for injecting additives along substanti ally the full length of an elongated travel path forming part of a continuous line. Provision is made for charge an discharge of work product at opposite longitudinal ends of the chamber defined by the housing means.
  • Condition sensin means can be mounted on the housing means; temperature sensing, pH monitoring, and ozone monitoring can be carried out along the travel path. Temperature control responsive to chamber or work product temperature can be carried out during the continuous movement of work product within the housing means. in addition to ease of control of rate of movemen
  • a further contribution of the invention permits stacking of individual structures, one above the other, to enable continuous-line sequential treatments of work products, with various reactant fluids, utilizing identical and interchangeable apparatus, in which the auger means of stacked chamber structures are capable of moving work product in opposite directions in relation to each other while providing for selective introduction of addi ⁇ tives from either longitudinal end of the individual structures.
  • housing means 10 defines a longitudinally-extended chamber circumscribing a helical-path ribbon band auger 12 which is radially spaced from axis of rotation 14 by narrow-width arms, such as 16, JL8, extending between and integral with sleeve 20 and the ribbon band 12.
  • rotation of the ribbon- band auger 12 presents an outer diameter cylindrical f O PI periphery 22 and an inner diameter cylindrical periphery 24, both radially spaced from axial / sleeve 20.
  • Longitudinally- extending passage 26, radially within the inner diameter cylindrical periphery 24, is largely unobstructed, being open except for the narrow-width support arms such as 16,
  • the chamber-defining housing means 10 is horizon ⁇ tally oriented and includes a longitudinally-extending bottom wall 30 of semi-circular cross-sectional configura- tion throughout its length or a major portion of its length.
  • a discharge opening is located contiguous to one longi ⁇ tudinal end.
  • discharge opening 32 in the bottom wall 30 is defined by discharge framing means 34.
  • the housing means further includes sidewalls 36, 38 (FIG. 3) extending tangentially from distal ends of semi-circular bottom wall 30 to define open cross-sectional space 39 above outer diameter cylindrical periphery 22.
  • the sidewalls 36, 38 are joined at their upper ends by longitudinally extending top wall closure 40 which can be continuous throughout its length in extending between end- walls 42, 44 or provide for entrance opening 48 defined by work product entrance framing me ⁇ s 50.
  • Charge and dischar openings contiguous to opposite longitudinal ends should provide for gravity feed of work product between stacked chambers.
  • a plurality of paddles, such as 52, 54, are integrally mounted on ribbon band 12 in angled relationship to such band and predeterminedly distributed along its length; such angled paddles lift work product during its longitudinal movement causing a tumbling, cascading action of pulverant solids. Movement of work product by the paddles is generally transverse to the longitudinally directed continuous-line movement; this action expands the
  • Bottom wall 30 is in contiguous relationship to the bottom half of outer diameter cylindrical periphery 22 defined by ribbon band 12 while sidewalls 36, 38 and top wall closure 40 help define longitudinally-extended open space 39, above the outer cylindrical periphery 22, for injecting fluid reactants and monitoring conditions longi ⁇ tudinally of the chamber.
  • conduit connectors are provided contiguous " to both longi- tudinal ends of the chamber defined by the housing means.
  • conduit connectors 60, 61, and 62 are mounted on endwall 42 and conduit connectors 64, 65, and 66 mounted on endwall 44. Provision is thus made for selective introduction of fluid reactants from opposite longitudinal ends of a single housing structure which, with selection of orientation of the housing means and direction of rotation
  • OMPI of helical-path ribbon band 12 enables positioning of a re ⁇ action chamber structure to provide for right-hand entry or left-hand entry of work product; this enables position ⁇ ing of manifold injection means within the housing so as to avoid obstruction of work product entry means; and, provides for stacking a plurality of structurally identical treatment chambers, for sequential treatment of work product with continuous—line feed and discharge of work product.between a plurality of stacked structures.
  • Manifold means for injecting additives within the chamber defined by the housing means extend longitudinally from the conduit connectors contiguous to a longitudinal end As shown in FIGS.
  • manifolds 70, 71, and 72 extend, respectively, from conduit connectors 60, 61 and 62; the mounting shown enables the entry opening 40 at the opposite longitudinal end of the chamber to be unobstructed.
  • Manifold means 70, 71, and 72 can extend longitudinally throughout substantially the full length of the defined chamber while exempting a portion for work product entry when the charge opening is defined in the top wall.
  • Individual injectors such as 74, 75 (FIG. 1) are distributed along the longitudinal dimension of the manifold means. Injection patterns, such as shown in dotted lines at 76, 77 of FIG..1, are determined by selection of commerci ⁇
  • injection can be angled in differing directions and flow control means, such as on/off valves, can be included in such nozzles.
  • additives can be injected along selected portions of or substantially the full elongated travel path for work product; and, additives can be injected, where and as neede in transverse relationship to the continuous-line direction of movement of work product.
  • injection nozzles The number and location of injection nozzles utilized can be selected. Also, additives in differing
  • manifolds can be selectively mixed after introduction into the housing means but before dispersion.
  • a reactant gas is introduced through connector conduit 60 and manifold 70.
  • Air can be introduced through connector 61 and manifold 71, and water can be introduced separately throug conduit connector 62 and manifold 72.
  • air and water manifolds 71 and 72 can be interconnected for mixing air and water within the chamber and discharge through intermediately located spray nozzles such as 78; thus, depth of water penetration within the housing means can be readily augmented with air pressure
  • a spray-mist can be provided to facilitate quench cooling while helping minimize the amount of water used when
  • the ribbon band auger 12 is supported at both its longitudinal ends for rotation and can be driven from either longitudinal end.
  • bearing sleeve 82 is supported on endwall 42 and bearing sleeve 84 is supported on endwall 44.
  • a variable speed drive 86 mounted contiguous to endwall 42 is connected by chain drive 88 to sprocket 89; as an alternative available w ' ith the invention, which contributes to the adaptability of the structure to stacked operations, such a drive means can be mounted at the opposite longitudinal end contiguous to wall 44 for rotatably driving the auger 12 from that longitudinal end.
  • Temperature sensing means are mounted on housing 10 for monitoring temperature conditions within the chamber and at the discharge end of the chamber. Pressure sensing is not generally a processing requirement since the chambers are open to atmospheric conditions at work product charge and discharge openings, but can be provided to detect unusual occurrences such as a blockage or stoppage of flow which would result in a pressure increase.
  • pressure sensor 90 is mounted in endwall 40 and a temperature sensor 92 is mounted conti ⁇ guous to discharge opening 32; the latter monitors the work product after gaseous treatment for extraction of sulfur; should work product temperatures approach 100°C. , cooling measures can be taken.
  • Condition sensors such as 93, for
  • monitoring pH or sampling chamber atmosphere for ozone f OMPI content can be located along the length of the housing means for control purposes.
  • Temperature sensors such as 94 (FIG. 3) can be located in sidewall 38 for monitoring temperature conditions
  • Quench cooling can be provided, responsive to temperature monitoring, as required to maintain a reaction zone temperature below about 100°C. and avoid formation of steam in the reaction chamber or the following chamber.
  • Quench cooling water is provided by manifold 72 and/or augmented with air pressure from manifold 71.
  • Injection means are distributed along such chamber length; however, injector valves can be selectively operated.
  • quench cooling is limited to a space contiguous to the work product discharge opening, dependent on experience with a particular coal.
  • FIGS. 4 through 9 The action of the helical-path ribbon band 12 with associated paddles in providing longitudinal movement and a mixing, tumbling, and cascading action of work product for interaction of injected additives is shown in FIGS. 4 through 9.
  • the auger moves the pulverant work product longitudinally as the paddles raise the work product within the chamber and, upon continued rotation of the auger, the work product falls
  • paddles can take various shapes, including scoop con ⁇ figurations to control the oxyadjustment of lifting.
  • Reactant gas injected from manifold 70 is directed into contact with the coal a.s it is moved within the chamber during its tumbling cascading movement in fall ⁇ ing from the paddles, while on the paddles, and while in the bottom portion of the housing.
  • manifolds 71, 72 are combined and injected in later stages as may be required to impinge on work product of elevated temperature as it is being raised within the chamber by rotation of the auger.
  • substantially identical chamber structures as shown in FIGS. 1 through 3 and described above, can be series stacked as shown in FIG. 9, or arranged in various combinations such as the parallel treatment paths shown in FIG. 10, without requir ⁇ ing an inventory of different types of chamber structures.
  • a first reaction chamber structure 98 is positioned for entry of work product at entrance 100 for movement along the elongated continuous- line travel path upon rotation of ribbon-band auger 102 toward discharge opening 104.
  • Ribbon-band auger 102 is driven by variable drive means 106 at the work product
  • Additives are made through manifolds such as 110 extending from conduit con- • nector 112 located at the discharge end of the first reaction chamber structure 98 so that the entrance opening for work product is not obstructed by the manifold means. Entrance means 114 for second reaction chamber
  • Ribbon-band auger 116 in the second chamber structure 115 moves the work product longitudinally in the direction of discharge opening .120 with additives being introduced through conduit connector means 122 located at the discharge opening end of the second chamber structure 115; manifolds such as 124 extend longi ⁇ tudinally along the elongated work product travel path with ⁇ out obstructing the entrance opening 114 of the second
  • control of rotation is coordinated as indicated by dotted line 128, to have the work product move at a higher rate through the second chamber 115 than through the first chamber 98 when a liquid addition is made in the second chamber in order to avoid the possibility of back-up of materials within such first cham ⁇ ber.
  • chambers can be stacked- for gaseous reaction before other reactions are undertaken, so that fluid treatment times can be
  • O PI extended as may be required for high sulfur content coals, without slowing rate of movement along the continuous line.
  • each travel path includes a sulfur extraction chamber such as 134 and a chamber such as 136 for sulfate conversion treatment.
  • the output of both parallel paths, in the combination shown, is directed to spray washing and dewatering screen structure 138 with pulverant solids being directed to separate-means such as cyclone separator 140.
  • pulverant solids being directed to separate-means such as cyclone separator 140.
  • housing means with a helical ribbon band having an outer diameter of about four feet, a forty-eight inch pitch, and an inner diameter of about thirty inches; paddles such as 52, 54, are located at selected intervals of about 60° to 120° along the helix.
  • Housing and auger means are preferably constructed from chemical resistant material, such as stainless steel.
  • able speed drive motor provides a desired range of rotat: preferably a maximum RPM of about forty and a minimum RPM of about ten for each chamber; rate of movement through the chamber can thus be readily controlled by RPM selection.
  • Ozone can be used to supply nascent oxygen for sulfur extraction.
  • Quench cooling fluid can include water, air, or combined water and air. Conversion reactant com ⁇ prises ammonia which can be added as a gas plus water, or as ammonium hydroxide.
  • Injection nozzles can be distributed at about twelve-inch intervals longitudinally of the manifold means. Spray patterns and flow control for each can be selected from commercially available nozzles. Entrance and discharge openings should be about three-foot square or of equivalent area. While specific configurations and materials have been described, it is understood that, in the light of the present teachings, other configurations and materials could be substituted; therefore, the scope of the invention should be determined with reference to the appended claims.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Dispositif servant à exécuter des opérations de désulfuration du charbon en continu et permettant un traitement fluide ou gazeux d'un produit pulvérulant. Le déplacement du produit le long d'un chemin de traitement orienté horizontalement et s'étendant longitudinalement est exécuté par des moyens mécaniques, sans avoir recours à des impulsions de pression, par une bande hélicoïdale (12, 102, 116) à l'intérieur d'une enceinte (10). Les additifs peuvent être introduits à chaque extrémité longitudale (42, 44) de l'enceinte et l'injection est distribuée (74, 75, 78, 110) le long du chemin de traitement. Le produit est soulevé verticalement à l'intérieur de l'enceinte par des aubes (52, 54) solidaires de la bande hélicoïdale pour augmenter l'espace occupé par le produit lorsqu'il se déplace le long du chemin de traitement et pour faciliter la réaction par le contact direct des additifs injectés. Un entraînement à vitesse variable (86, 106, 126) permet de commander la vitesse d'avancement le long du chemin de traitement et, en prévoyant l'introduction d'additifs et l'entraînement la bande hélicoïdale par une extrémité longitudinale quelconque, on peut empiler l'une sur l'autre des enceintes de chambre de réaction sensiblement identiques (134, 136), de manière à obtenir des traitements par réaction séquentielle ou un prolongement des temps de traitement.
EP82900231A 1981-11-30 1981-11-30 Structure pour une reaction de desulfuration du charbon en continu Withdrawn EP0094935A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1981/001599 WO1983001910A1 (fr) 1981-11-30 1981-11-30 Structure pour une reaction de desulfuration du charbon en continu

Publications (1)

Publication Number Publication Date
EP0094935A1 true EP0094935A1 (fr) 1983-11-30

Family

ID=22161532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82900231A Withdrawn EP0094935A1 (fr) 1981-11-30 1981-11-30 Structure pour une reaction de desulfuration du charbon en continu

Country Status (3)

Country Link
EP (1) EP0094935A1 (fr)
AU (1) AU8003082A (fr)
WO (1) WO1983001910A1 (fr)

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US4584179A (en) * 1984-05-18 1986-04-22 Ramon Galli Apparatus for treating cement kiln dust
GB8523168D0 (en) * 1985-09-19 1985-10-23 Dickinson Eng Ltd W H Tobacco conditioner
FR2589366B1 (fr) * 1985-11-06 1990-04-20 Air Ind Environnement Installation pour l'humidification en continu d'un produit en poudre en ecoulement
DE3828405A1 (de) * 1988-08-20 1990-02-22 Moeller Hamburg Gmbh Co Kg Anfeuchtschnecke und verfahren ihrer reinigung
US5216821A (en) * 1991-04-10 1993-06-08 Remediation Technologies, Incorporated System and method for removing a volatile component from a matrix
US5401833A (en) * 1993-02-01 1995-03-28 United States Leather Holdings, Inc. Method and apparatus for treating chrome leather waste
US6030112A (en) * 1998-05-06 2000-02-29 Milek; Robert C. Slurry batcher mixer
US6328798B1 (en) 1999-02-19 2001-12-11 Equistar Chemicals, Lp Coated polymeric particles having improved anti-block characteristics, method of making such particles, and apparatus therefor
US6349570B1 (en) 1999-04-14 2002-02-26 Merkle Engineers, Inc. In-barrel wetting screw charger
DE20307302U1 (de) * 2003-05-09 2004-09-16 Solvay Barium Strontium Gmbh Fördereinrichtung
US8371041B2 (en) * 2007-01-11 2013-02-12 Syncoal Solutions Inc. Apparatus for upgrading coal
CA2913125C (fr) * 2013-05-22 2021-11-09 Multivector As Procede, systeme et dispositifs permettant de traiter au moins une substance dans un produit final seche, fragmente et fluidise
US9713893B2 (en) * 2013-07-09 2017-07-25 Wenger Manufacturing, Inc. Method of preconditioning comestible materials using steam/water static mixer
CN111717608A (zh) * 2020-06-29 2020-09-29 中石化江汉石油工程有限公司 一种新型出渣设备

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Also Published As

Publication number Publication date
WO1983001910A1 (fr) 1983-06-09
AU8003082A (en) 1983-06-17

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