HK1017062A1 - Process and apparatus for drying and heating - Google Patents

Process and apparatus for drying and heating

Info

Publication number
HK1017062A1
HK1017062A1 HK99102171A HK99102171A HK1017062A1 HK 1017062 A1 HK1017062 A1 HK 1017062A1 HK 99102171 A HK99102171 A HK 99102171A HK 99102171 A HK99102171 A HK 99102171A HK 1017062 A1 HK1017062 A1 HK 1017062A1
Authority
HK
Hong Kong
Prior art keywords
combustion
drying
combustion products
nozzle
pulse
Prior art date
Application number
HK99102171A
Other languages
English (en)
Inventor
Momtaz N Mansour
Ravi Chandran
Original Assignee
Mfg & Tech Conversion Int Inc
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 Mfg & Tech Conversion Int Inc filed Critical Mfg & Tech Conversion Int Inc
Publication of HK1017062A1 publication Critical patent/HK1017062A1/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C15/00—Apparatus in which combustion takes place in pulses influenced by acoustic resonance in a gas mass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • F26B23/026—Heating arrangements using combustion heating with pulse combustion, e.g. pulse jet combustion drying of particulate materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
HK99102171A 1995-11-13 1999-05-17 Process and apparatus for drying and heating HK1017062A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/558,275 US5638609A (en) 1995-11-13 1995-11-13 Process and apparatus for drying and heating
PCT/US1996/018193 WO1997018426A1 (en) 1995-11-13 1996-11-12 Process and apparatus for drying and heating

Publications (1)

Publication Number Publication Date
HK1017062A1 true HK1017062A1 (en) 1999-11-12

Family

ID=24228894

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99102171A HK1017062A1 (en) 1995-11-13 1999-05-17 Process and apparatus for drying and heating

Country Status (20)

Country Link
US (2) US5638609A (ru)
EP (1) EP0861408B1 (ru)
JP (1) JP3629565B2 (ru)
CN (1) CN1144013C (ru)
AT (1) ATE212118T1 (ru)
AU (1) AU705548B2 (ru)
BR (1) BR9611713A (ru)
CA (1) CA2237593C (ru)
CZ (1) CZ288660B6 (ru)
DE (1) DE69618613T2 (ru)
ES (1) ES2171751T3 (ru)
HK (1) HK1017062A1 (ru)
MX (1) MX9803763A (ru)
NZ (1) NZ323739A (ru)
PL (1) PL181074B1 (ru)
RU (1) RU2175100C2 (ru)
SI (1) SI0861408T1 (ru)
TR (1) TR199800846T2 (ru)
UA (1) UA65528C2 (ru)
WO (1) WO1997018426A1 (ru)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3725299B2 (ja) * 1997-06-19 2005-12-07 株式会社パウダリングジャパン 通常燃焼及びパルス燃焼両用燃焼器
DE19740379A1 (de) * 1997-09-13 1999-04-01 Index Werke Kg Hahn & Tessky Werkzeugrevolver für eine Werkzeugmaschine sowie Drehmaschine mit einem solchen Werkzeugrevolver
DE69923419T2 (de) * 1998-06-11 2006-04-13 Universal Dynamics, Inc. Verfahren und vorrichtung zur trocknung von körnigen feststoffen durch venturigetriebene gaszirkulation
HUP0102804A2 (hu) * 1998-07-01 2001-12-28 The Procter & Gamble Co. Eljárás víz eltávolítására rostos szövedékből, oszcillálva áramlási irányt váltó ütközőgáz alkalmazásával
WO2001012755A1 (en) 1999-08-19 2001-02-22 Manufacturing And Technology Conversion International, Inc. System integration of a steam reformer and fuel cell
CA2382043A1 (en) * 1999-08-19 2001-02-22 Manufacturing And Technology Conversion International, Inc. Gas turbine with indirectly heated steam reforming system
US6584701B1 (en) 2000-06-16 2003-07-01 Novatec, Inc. System, apparatus, and method for reducing moisture content of particulate material
FI108810B (fi) * 2000-07-06 2002-03-28 Nirania Ky Laitteisto ja menetelmä polttotapahtuman ja lämmönsiirron tehostamiseksi
MD2082C2 (ru) * 2000-07-14 2003-07-31 Государственное Предприятие - Научно-Исследовательский Институт Механизации И Электрификации Сельского Хозяйства "Mecagro" Способ и установка для получения агента для сушки зерна
DE10105750A1 (de) * 2001-02-08 2002-10-10 Degussa Fällungskieselsäuren mit enger Partikelgrößenverteilung
US6470593B1 (en) * 2001-11-01 2002-10-29 Delta Medical Co., Ltd. Ejector device for vacuum drying
EP1541525A1 (de) * 2002-03-30 2005-06-15 Degussa AG Pyrogene Kieselsäuren mit enger Partikelgrössenverteilung
CN1685035A (zh) * 2002-05-22 2005-10-19 制造及技术转化国际公司 脉冲气化和热气净化装置和方法
AU2003266006A1 (en) * 2002-09-10 2004-04-30 Manufacturing And Technology Conversion International, Inc. Steam reforming process and apparatus
JPWO2004041427A1 (ja) * 2002-11-08 2006-03-02 第一工業製薬株式会社 無機微粒子、無機原料粉末およびそれらの製造方法
CA2425350A1 (en) * 2003-04-14 2004-10-14 Peter Alex Container shut-off valve with venting
EP1618067A2 (en) * 2003-04-21 2006-01-25 Manufacturing and Technology Conversion, Inc. Process for the treatment of waste or gaseous streams
DE10323774A1 (de) * 2003-05-26 2004-12-16 Khd Humboldt Wedag Ag Verfahren und Anlage zur thermischen Trocknung eines nass vermahlenen Zementrohmehls
US20050050759A1 (en) * 2003-08-11 2005-03-10 Manufacturing And Technology Conversion International, Inc. Efficient and cost-effective biomass drying
CA2441991C (en) * 2003-09-19 2012-11-13 Ronald R. Chisholm Fluid transfer apparatus
US20050115606A1 (en) * 2003-10-01 2005-06-02 Chisholm Ronald R. System for effecting liquid transfer from an elevated supply container
US6944967B1 (en) 2003-10-27 2005-09-20 Staples Wesley A Air dryer system and method employing a jet engine
US7984566B2 (en) 2003-10-27 2011-07-26 Staples Wesley A System and method employing turbofan jet engine for drying bulk materials
JP4004497B2 (ja) * 2003-12-12 2007-11-07 横浜ゴム株式会社 ゴムラテックスからゴムを製造する方法
EP1735371B1 (en) * 2004-04-12 2010-07-07 The Yokohama Rubber Co., Ltd. Method for producing composition containing polymer from liquid containing polymer component and drying apparatus for same
JP3973641B2 (ja) * 2004-04-12 2007-09-12 横浜ゴム株式会社 ポリマー成分を含む液を用いてポリマー組成物を製造する方法
EP1812762A1 (en) * 2004-10-22 2007-08-01 Force Technology Method and device for drying a flow of biomass particles
JP4630071B2 (ja) * 2005-01-19 2011-02-09 株式会社林原生物化学研究所 微生物菌体の乾燥方法
US7470307B2 (en) * 2005-03-29 2008-12-30 Climax Engineered Materials, Llc Metal powders and methods for producing the same
JP2006328142A (ja) * 2005-05-24 2006-12-07 Yokohama Rubber Co Ltd:The シリカ配合天然ゴム組成物及びそれを用いた空気入りタイヤ
US20070234589A1 (en) * 2006-04-05 2007-10-11 Peter Bernegger Pressurized Drying/Dehydration Apparatus and Method
US20070245628A1 (en) * 2006-04-24 2007-10-25 Thermochem Recovery International, Inc. Fluid bed reactor having a pulse combustor-type heat transfer module separated from the compartment of a reaction vessel
US7569086B2 (en) * 2006-04-24 2009-08-04 Thermochem Recovery International, Inc. Fluid bed reactor having vertically spaced apart clusters of heating conduits
JPWO2008004407A1 (ja) * 2006-06-08 2009-12-03 パルテック株式会社 粉砕乾燥方法および粉砕乾燥装置
JP5398126B2 (ja) * 2007-06-07 2014-01-29 第一工業製薬株式会社 金属酸化物微粒子粉末、金属酸化物微粒子の製造方法および製造システム
US8037620B2 (en) * 2007-07-20 2011-10-18 Pulse Holdings LLC Pulse combustion dryer apparatus and methods
WO2009046138A1 (en) * 2007-10-01 2009-04-09 Omnilytics, Inc. Methods for drying bacteriophage and bacteriophage-containing compositions, the resulting dry compositions, and methods of use
US8197885B2 (en) * 2008-01-11 2012-06-12 Climax Engineered Materials, Llc Methods for producing sodium/molybdenum power compacts
US7988074B2 (en) * 2008-03-05 2011-08-02 J. Jireh Holdings Llc Nozzle apparatus for material dispersion in a dryer and methods for drying materials
US20120148969A1 (en) * 2008-04-07 2012-06-14 Appleton Papers Inc. Continuous process for drying microcapsules
NL1035274C2 (nl) * 2008-04-09 2009-10-12 Internationaal Projectbureau H Werkwijze alsmede inrichting voor het verwerken van organisch materiaal omvattend slib.
US8876964B2 (en) 2009-06-23 2014-11-04 Rockwool International A/S Method of making particulate material
CN101806534B (zh) * 2010-04-22 2011-12-07 山东天力干燥股份有限公司 脉动燃烧尾气流与过热蒸汽混合干燥***和工艺
DE102010016831A1 (de) * 2010-05-06 2011-11-10 Bundesanstalt für Materialforschung und -Prüfung (BAM) Brennstoffgemisch und Anwendung desselben in Industrietrocknern
US9011561B2 (en) 2010-11-05 2015-04-21 Thermochem Recovery International, Inc. Solids circulation system and method for capture and conversion of reactive solids
CN102435060A (zh) * 2011-09-15 2012-05-02 攀钢集团攀枝花钢铁研究院有限公司 对固体物料进行干燥/分解的装置和工艺
AU2012315914B2 (en) 2011-09-27 2015-07-09 Thermochem Recovery International, Inc. System and method for syngas clean-up
US8869420B1 (en) * 2012-11-19 2014-10-28 Mousa Mohammad Nazhad Energy-efficient process and apparatus for drying feedstock
FI125978B (fi) * 2013-02-22 2016-05-13 Endev Oy Kiertomassakuivuri ja menetelmä märän lietteen kuivaamiseksi
GB2511331A (en) * 2013-02-28 2014-09-03 Dickinson Legg Ltd Drying Apparatus
US9809619B2 (en) * 2014-01-14 2017-11-07 Pulse Holdings, LLC Pulse combustion drying of proteins
US20150275822A1 (en) * 2014-03-28 2015-10-01 Furness-Newburge, Inc. Supercharged pulse jet engine and related method of use
US11578681B2 (en) 2015-03-19 2023-02-14 University Of Maryland Systems and methods for anti-phase operation of pulse combustors
US9454955B1 (en) * 2015-04-17 2016-09-27 Constantin Tomoiu Thermo-acoustic reactor with non-thermal energy absorption in inert medium
US10125609B2 (en) 2015-08-28 2018-11-13 Igor Mykolaiovych DUBYNSKYI Device for obtaining mechanical work from a non-thermal energy source (variants)
BR102015027270A2 (pt) * 2015-10-27 2017-05-02 Vale S/A processo para redução da umidade de minérios em correias transportadoras e chutes de transferência; chute de transferência para transporte de minério; correia transportadora para transporte de minério
WO2017106689A1 (en) * 2015-12-18 2017-06-22 North American Wave Engine Corporation Systems and methods for air-breathing wave engines for thrust production
ES2940894T3 (es) 2016-02-16 2023-05-12 Thermochem Recovery Int Inc Sistema y método de generación de gas producto de energía integrada de dos etapas
CA3018980C (en) 2016-03-25 2019-04-16 Thermochem Recovery International, Inc. Three-stage energy-integrated product gas generation system and method
US10364398B2 (en) 2016-08-30 2019-07-30 Thermochem Recovery International, Inc. Method of producing product gas from multiple carbonaceous feedstock streams mixed with a reduced-pressure mixing gas
US9869512B1 (en) * 2016-11-18 2018-01-16 Omnis Thermal Technologies, Llc Pulse combustion variable residence time drying system
US9920926B1 (en) 2017-07-10 2018-03-20 Thermochem Recovery International, Inc. Pulse combustion heat exchanger system and method
US10099200B1 (en) 2017-10-24 2018-10-16 Thermochem Recovery International, Inc. Liquid fuel production system having parallel product gas generation
CN111542232B (zh) * 2017-12-13 2022-08-02 莱特拉姆有限责任公司 带有成角度的轴流式风扇的批量食品加工器
ES2938732T3 (es) 2018-04-17 2023-04-14 North American Wave Engine Corp Método y aparato para la puesta en marcha y control de combustores de impulsos que utilizan la operación selectiva del inyector
US20240198977A1 (en) * 2019-07-31 2024-06-20 Apexip, Llc Car drying leaf blower tube
US11555157B2 (en) 2020-03-10 2023-01-17 Thermochem Recovery International, Inc. System and method for liquid fuel production from carbonaceous materials using recycled conditioned syngas
US11466223B2 (en) 2020-09-04 2022-10-11 Thermochem Recovery International, Inc. Two-stage syngas production with separate char and product gas inputs into the second stage

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619415A (en) * 1946-08-15 1952-11-25 Standard Oil Dev Co Supply of heat to fluidized solids beds for the production of fuel gas
US2937500A (en) * 1957-10-02 1960-05-24 Jr Albert G Bodine Resonant combustion products generator with heat exchanger
US3246842A (en) * 1963-08-02 1966-04-19 Huber Ludwig Apparatus for the production of hot gas currents for heating purposes
US3738290A (en) * 1971-10-14 1973-06-12 Us Interior Dual pulse-jet system for the combustion of high ash fuel
US3906873A (en) * 1974-04-19 1975-09-23 Standard Products Co Waste converter
US4183145A (en) * 1978-03-02 1980-01-15 Frolikov Ivan I Method of spray-drying liquid and pastelike materials and installation for carrying same into effect
DE2844095C2 (de) * 1978-10-10 1984-10-31 Ludwig Dipl.-Ing. Dr.-Ing. 7000 Stuttgart Huber Schwingfeuergerät
WO1981000854A1 (en) * 1979-09-27 1981-04-02 Modar Inc Treatment of organic material in supercritical water
US4265617A (en) * 1979-10-18 1981-05-05 Piterskikh Georgy P Apparatus for spray drying of liquid and paste-like materials
US4331451A (en) * 1980-02-04 1982-05-25 Mitsui Toatsu Chemicals, Inc. Catalytic gasification
US4306506A (en) * 1980-06-02 1981-12-22 Energy Recovery Research Group, Inc. Gasification apparatus
US4314444A (en) * 1980-06-23 1982-02-09 Battelle Memorial Institute Heating apparatus
US4395830A (en) * 1980-09-12 1983-08-02 Jetsonic Processes, Ltd. Pulse combustion fluidizing dryer
US4368677A (en) * 1981-04-07 1983-01-18 Kline Michael J Pulse combustion system for boilers
US4417868A (en) * 1981-09-04 1983-11-29 Battelle Development Corporation Compact plenum for pulse combustors
US4499833A (en) * 1982-12-20 1985-02-19 Rockwell International Corporation Thermal conversion of wastes
US4529377A (en) * 1983-02-28 1985-07-16 Georgia Tech Research Institute Pulse combustor apparatus
DE3337191C2 (de) * 1983-10-13 1987-05-14 Motan Gmbh, 7972 Isny Vorrichtung zum Austragen von Wirkstoffen
JPS6159108A (ja) * 1984-08-29 1986-03-26 Toshiba Corp パルス燃焼装置
US4688495A (en) * 1984-12-13 1987-08-25 In-Process Technology, Inc. Hazardous waste reactor system
JPS62503004A (ja) * 1985-05-09 1987-12-03 ドライテツク　コ−ポレイシヨン 液体生成物から揮発性成分を除去、或いは液体生成物を脱水する方法および装置
US4637794A (en) * 1985-10-03 1987-01-20 Gray Robert R Pulse combustion drying apparatus for particulate materials
US4701126A (en) * 1985-10-03 1987-10-20 Gray Robert R Elevated temperature dehydration section for particle drying pulse jet combustion systems
US4695248A (en) * 1985-10-03 1987-09-22 Gray Robert R Pulse combustion drying apparatus for particulate materials
US4699588A (en) * 1986-03-06 1987-10-13 Sonotech, Inc. Method and apparatus for conducting a process in a pulsating environment
US4770626A (en) * 1986-03-06 1988-09-13 Sonotech, Inc. Tunable pulse combustor
US4708159A (en) * 1986-04-16 1987-11-24 Nea Technologies, Inc. Pulse combustion energy system
US4992043A (en) * 1986-04-16 1991-02-12 Nea Technologies, Inc. Pulse combustion energy system
US4874587A (en) * 1986-09-03 1989-10-17 Thermolytic Decomposer Hazardous waste reactor system
US4708635A (en) * 1986-10-07 1987-11-24 American Gas Association Pulse combustion apparatus and method
GB8715735D0 (en) * 1987-07-03 1987-08-12 Lepetit Spa De-mannosyl teicoplanin derivatives
US4863702A (en) * 1987-09-01 1989-09-05 Thermolytica Corporation Autoclave for hazardous waste
JPS6480437A (en) * 1987-09-22 1989-03-27 Meitec Corp Coating method for superfine particle in fluidized bed
US4832598A (en) * 1988-04-22 1989-05-23 John A. Kitchen Ltd. Pulse combustion apparatus
US4951613A (en) * 1988-11-09 1990-08-28 Mobil Oil Corp. Heat transfer to endothermic reaction zone
DE3839861A1 (de) * 1988-11-25 1990-05-31 Rudi Pedersen Heizanlage
US5059404A (en) * 1989-02-14 1991-10-22 Manufacturing And Technology Conversion International, Inc. Indirectly heated thermochemical reactor apparatus and processes
US4940405A (en) * 1989-02-23 1990-07-10 Kelly John T Pulse combustion driven in-furnace NOx and SO2 control system for furnaces and boilers
JPH0628681B2 (ja) * 1989-12-16 1994-04-20 大阪富士工業株式会社 バルブレスパルス燃焼方法及びバルブレスパルス燃焼器
JPH0628682B2 (ja) * 1989-12-16 1994-04-20 大阪富士工業株式会社 パルス燃焼式乾燥装置の熱回収システム
US5255634A (en) * 1991-04-22 1993-10-26 Manufacturing And Technology Conversion International, Inc. Pulsed atmospheric fluidized bed combustor apparatus
US5353721A (en) * 1991-07-15 1994-10-11 Manufacturing And Technology Conversion International Pulse combusted acoustic agglomeration apparatus and process
US5211704A (en) * 1991-07-15 1993-05-18 Manufacturing Technology And Conversion International, Inc. Process and apparatus for heating fluids employing a pulse combustor
US5197399A (en) * 1991-07-15 1993-03-30 Manufacturing & Technology Conversion International, Inc. Pulse combusted acoustic agglomeration apparatus and process
CA2049788A1 (en) * 1991-08-23 1993-02-24 Anthony J. Last Pulsating combustion device
US5252061A (en) * 1992-05-13 1993-10-12 Bepex Corporation Pulse combustion drying system
ATE204182T1 (de) * 1993-03-08 2001-09-15 Scient Ecology Group Inc Verfahren und system zur entgiftung von festem abfall
DE19530721A1 (de) * 1995-08-18 1997-02-20 Kiekert Ag Steuerungsanlage für ein Kraftfahrzeug mit einer Notstrombatterie sowie einer Notbetriebsschaltung

Also Published As

Publication number Publication date
PL181074B1 (pl) 2001-05-31
MX9803763A (es) 1998-09-30
CZ147798A3 (cs) 1999-03-17
PL326607A1 (en) 1998-10-12
DE69618613D1 (de) 2002-02-21
EP0861408A1 (en) 1998-09-02
AU1075597A (en) 1997-06-05
US5638609A (en) 1997-06-17
ES2171751T3 (es) 2002-09-16
WO1997018426A1 (en) 1997-05-22
CN1207805A (zh) 1999-02-10
ATE212118T1 (de) 2002-02-15
JP2000500559A (ja) 2000-01-18
BR9611713A (pt) 1999-12-28
SI0861408T1 (en) 2002-10-31
AU705548B2 (en) 1999-05-27
NZ323739A (en) 1998-11-25
CA2237593C (en) 2002-03-12
CA2237593A1 (en) 1997-05-22
DE69618613T2 (de) 2002-08-14
EP0861408B1 (en) 2002-01-16
RU2175100C2 (ru) 2001-10-20
UA65528C2 (en) 2004-04-15
US5842289A (en) 1998-12-01
TR199800846T2 (xx) 1998-08-21
CN1144013C (zh) 2004-03-31
JP3629565B2 (ja) 2005-03-16
CZ288660B6 (cs) 2001-08-15

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PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20071112