WO2011007252A2 - Unité de régulation de pression et de récupération de chaleur - Google Patents

Unité de régulation de pression et de récupération de chaleur Download PDF

Info

Publication number
WO2011007252A2
WO2011007252A2 PCT/IB2010/002003 IB2010002003W WO2011007252A2 WO 2011007252 A2 WO2011007252 A2 WO 2011007252A2 IB 2010002003 W IB2010002003 W IB 2010002003W WO 2011007252 A2 WO2011007252 A2 WO 2011007252A2
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
air
fresh air
conduit
heater
Prior art date
Application number
PCT/IB2010/002003
Other languages
English (en)
Other versions
WO2011007252A3 (fr
Inventor
Patrick Potter
Original Assignee
36 Degrees South, 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 36 Degrees South, Inc. filed Critical 36 Degrees South, Inc.
Publication of WO2011007252A2 publication Critical patent/WO2011007252A2/fr
Publication of WO2011007252A3 publication Critical patent/WO2011007252A3/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • 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
    • F26B23/028—Heating arrangements using combustion heating using solid fuel; burning the dried product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/005—Treatment of dryer exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/10—Drying by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/80—Shredding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/30—Solid combustion residues, e.g. bottom or flyash
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention relates a process and system for heat recovery and pressure control.
  • Animal byproduct meals, fecal material, agricultural fertilizer, corn byproducts, wheat byproducts, wood pulp, and the like are high moisture content materials that may provide a rich source of energy when effectively dehydrated. Further, some of this material should be sterilized and deodorized before being discharged into the environment. These materials must be dried to about 5% moisture to be a high grade fuel. A large quantity of high temperature air is required to evaporate the moisture from the material, and the air may become contaminated with odors and pathogens from the material. A great deal of energy is required to heat the large quantity of air required. Further, the pressure of the air must be maintained at a suitable pressure.
  • An embodiment of the present invention provides a system for heat recovery and pressure control.
  • the system includes: a fresh air heat exchanger including a fresh air inlet, at least one fresh air heat exchanger conduit, and a fresh air outlet; a pre-heater heat exchanger including a pre-heater inlet, at least one pre-heater heat exchanger conduit, and a pre-heater outlet; and a proportioning valve coupled to the at least one fresh air heat exchanger conduit and the at least one pre-heater heat exchanger conduit, the proportioning valve including: a valve plate.
  • the fresh air heat exchanger is adapted to receive fresh air in the fresh air inlet, warm the fresh air by transferring heat from the at least one fresh air heat exchanger conduit, and transmit the warmed fresh air through the fresh air outlet.
  • the pre- heater heat exchanger is adapted to receive contaminated air in the pre-heater inlet, pre-heat the contaminated air by transferring heat from the at least one pre-heater heat exchanger conduit, and transmit the pre -heated contaminated air through the pre-heater outlet.
  • the at least one fresh air heat exchanger conduit and the at least one pre-heater heat exchanger conduit are adapted to receive hot air and transfer the heat from the hot air.
  • the proportioning valve is adapted to control a flow of the hot air through the at least one fresh air heat exchanger conduit and the at least one pre-heater heat exchanger conduit.
  • At least one of the fresh air heat exchanger further or the pre-heater heat 10
  • the exchanger may include at least one baffle and at least two passes, wherein the baffle is adapted to increase a length of a path that the air travels through the heat exchanger by guiding the air through the at least two passes.
  • the at least one of the fresh air heat exchanger or the pre-heater heat exchanger may further include a gap between the at least one heat exchanger conduit and an interior wall of the heat exchanger.
  • the system may further include an expansion box adapted to receive hot air and 20 transmit the hot air to the at least one fresh air heat exchanger conduit and the at least one pre-heater heat exchanger conduit in accordance with pressures in the at least one fresh air heat exchanger conduit and the at least one pre-heater heat exchanger conduit.
  • the proportioning valve may be further adapted to be controlled based upon at
  • 25 least one of the temperatures of the fresh air exiting the fresh air heat exchanger or the temperature of the contaminated air exiting the pre-heater heat exchanger in accordance with a measurement of a temperature of the fresh air or a measurement of a temperature of the contaminated air.
  • At least one of the fresh air heat exchanger and the pre-heater heat exchanger may further include a heat exchanger conduit plate attached to an end of the at least one heat exchanger conduit and adapted to receive at least one gasket around a perimeter of the heat
  • Another embodiment of the present invention provides a method for heat recovery and pressure control.
  • the method includes: receiving fresh air in a fresh air inlet of a fresh air heat exchanger, warming the fresh air by transferring heat from at least one fresh air heat exchanger conduit, and transmitting the warmed fresh air through a fresh air outlet; receiving contaminated air in a pre-heater inlet of a pre-heater heat exchanger, pre-heating the 10
  • contaminated air by transferring heat from at least one pre-heater heat exchanger conduit, and transmitting the pre-heated contaminated air through a pre-heater outlet; receiving hot air in the at least one fresh air heat exchanger conduit and the at least one pre-heater heat exchanger , ⁇ - conduit and transferring the heat from the hot air; and controlling the flow of the hot air through the at least one fresh air heat exchanger conduit and the at least one pre-heater heat exchanger conduit by adjusting a proportioning valve.
  • the method may further include guiding the air around at least one baffle and 20 through at least two passes in at least one of the fresh air heat exchanger and the pre-heater heat exchanger so that a length of a path traveled by the air is increased.
  • the method may further include passing the air through a gap between at least one of the at least one fresh air heat exchanger conduit and an interior wall of the fresh air heat
  • the method may further include receiving the hot air in an expansion box and transmitting the hot air to the at least one fresh air heat exchanger conduit and the at least one 30
  • pre-heater heat exchanger conduit in accordance with pressures in the at least one fresh air heat exchanger conduit and the at least one pre-heater heat exchanger conduit.
  • the method may further include controlling the temperature of the fresh air - ⁇ - exiting the fresh air heat exchanger and the temperature of the contaminated air exiting the pre-heater heat exchanger by adjusting the proportioning valve.
  • the method may further include maintaining an air-tight seal between at least one of a fresh air heat exchanger conduit plate and an interior wall of the fresh air heat exchanger, and a pre-heater heat exchanger conduit plate and an interior wall of the pre-heater heat exchanger, as the heat exchanger conduit plate moves along the interior wall of the heat exchanger in accordance with an increase or decrease in a length of the at least one heat exchanger conduit.
  • Another embodiment of the present invention provides a system for heat recovery0
  • the system includes: a heat exchanger including an air inlet; at least one heat exchanger conduit; a heat exchanger conduit plate attached to an end of the at least one heat exchanger conduit and adapted to receive at least one gasket around a perimeter of ⁇ - the heat exchanger conduit plate; and an air outlet.
  • An air-tight seal is maintained between the heat exchanger conduit plate and an interior wall of the heat exchanger as the heat exchanger conduit plate moves along the interior wall of the heat exchanger in accordance with an increase or decrease in a length of the at least one heat exchanger conduit.
  • the heat exchanger may further include at least one baffle and at least two passes, wherein the baffle is adapted to increase a length of a path that the air travels through the heat exchanger by guiding the air through the at least two passes.
  • the heat exchanger may further include a gap between the at least one heat exchanger conduit and an interior wall of the heat exchanger.
  • the system may further include an expansion box adapted to receive hot air and transmit the hot air to the at least one heat exchanger conduit in accordance with a pressure in the at least one air heat exchanger conduit.
  • the system may further include a proportioning valve adapted to control the temperature of the air exiting the heat exchanger.
  • Another embodiment of the present invention provides a method for heat recovery and pressure control.
  • the method includes: receiving air in an air inlet of a heat exchanger, warming the air by transferring heat from at least one heat exchanger conduit, and transmitting the warmed air through the air outlet; receiving hot air in the at least one heat exchanger conduit and transferring the heat from the hot air.
  • the heat exchanger includes a heat exchanger conduit plate attached to an end of the at least one heat exchanger conduit and adapted to receive at least one gasket around a perimeter of the heat exchanger conduit plate so that an air-tight seal is maintained between the heat exchanger conduit plate and an interior wall of the heat exchanger as the heat exchanger conduit plate moves along the interior wall of the heat exchanger in accordance with an increase or decrease in a length of the at least one heat exchanger conduit.
  • the method may further include guiding the air around at least one baffle and through at least two passes in the heat exchanger so that a length of a path traveled by the air is increased.
  • the method may further include passing the air through a gap between the at least one exchanger conduit and an interior wall of the heat exchanger so that the air expands in the gap.
  • FIG. 1 is a perspective view of a system for heat recovery and pressure control according to an embodiment of the present invention.
  • FIG. 2 is another perspective view of a system for heat recovery and pressure 5 control according to an embodiment of the present invention.
  • FIG. 3 is another perspective view of a system for heat recovery and pressure control according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional perspective view of a system for heat recovery and 0 pressure control according to an embodiment of the present invention (with only some tubes shown for clarity).
  • FIG. 5 is a cross-sectional top view of a fresh air heat exchanger according to an embodiment of the present invention (with only some tubes shown for clarity).
  • FIG. 6 is a cross-sectional perspective view of a pre-heater heat exchanger according to an embodiment of the present invention (with only some tubes shown for clarity).
  • FIG. 7 is a side view of end tube plates according to an embodiment of the present invention.
  • FIG. 8 is a perspective view of a fresh air cold end tube plate (with only some tubes shown for clarity) according to an embodiment of the present invention.
  • FIG. 9 is a cross-sectional side view of a proportioning valve according to an embodiment of the present invention.
  • FIG. 10 is a side view of an end tube plate and heat exchanger tubes (with only some tubes shown for clarity) according to an embodiment of the present invention.
  • FIG. 11 is flow chart of a process for heat recovery and pressure control according to an embodiment of the present invention.
  • the pressure of the air throughout the processing of the material should be maintained at a suitable pressure.
  • a process according to an embodiment of the present invention as shown in FIG. 1 1 provides a method for heat recovery and pressure control.
  • fresh air is warmed in a heat recovery and pressure control unit 100.
  • the warm fresh air and the material to be processed are fed into a processor where the air may become contaminated 110.
  • the contaminated air is then returned to the heat recovery and pressure control unit to be preheated 120.
  • the contaminated air is contained away from the fresh air that is being warmed.
  • the pre-heated contaminated air passes to a chamber to be heated 130.
  • the chamber such as a heating detoxification chamber, heats the contaminated air to 10
  • the hot chamber discharge air passes back to the heat recovery and pressure control unit to be utilized to pre-heat contaminated air entering the chamber and warm fresh . _ air entering the processor 140. Because the chamber discharge air has already been heated, e.g., sterilized and deodorized, the chamber discharge air is contained away from the contaminated air and the fresh air.
  • a system for heat recovery and pressure control according to an embodiment of 20 the invention as shown in FIGs. 1-10 includes a fresh air heat exchanger 14, a pre-heater heat exchanger 16, and a proportioning valve 20 that controls hot air flow through the fresh air heat exchanger 14 and the pre-heater heat exchanger 16.
  • fresh air enters the fresh air heat exchanger 14 through a fresh air inlet 32.
  • a fresh air fan 12 may blow fresh air into the fresh air heat exchanger 14.
  • the fresh air passes through the fresh air heat exchanger 14, where the fresh air is warmed, and exits the fresh air heat exchanger through a fresh air outlet 26.
  • the fresh air passes around a number of or series of (e.g., six) fresh air baffles, which will form multiple (e.g., seven cross) passes for the fresh air.
  • the fresh air is warmed to a temperature in a range from about 600 degrees C to about 650 degrees C.
  • the fresh air then passes into a processor where the fresh air is utilized to remove moisture from a material.
  • the fresh 10 is utilized to remove moisture from a material.
  • the contaminated air is returned to the system and passes into the pre-heater heat exchanger 16 through a pre-heater inlet 34.
  • a contaminated air fan 10 may
  • the contaminated air passes through the pre-heater heat exchanger 16, where the contaminated air is pre-heated, and exits the pre-heater heat exchanger through a pre-heater outlet 28. However, because the contaminated air is contaminated, the contaminated air is contained away from the fresh air
  • the contaminated air passes around at least one pre-heater baffle 60, which increases the length of the path of the contaminated air through the pre-heater heat exchanger 14 and the time that the
  • contaminated air is in the pre-heater heat exchanger 14. Because the contaminated air is in the pre-heater heat exchanger 14 for a longer time, more heat may be transferred to the contaminated air.
  • the contaminated air passes around a 30
  • the contaminated air enters the pre- - ⁇ - heater heat exchanger 16 at a temperature of about 120 degrees C and is pre-heated to a temperature of about 450 degrees C.
  • the heat exchangers are formed of a corrosion-resistant and heat-resistant material (e.g., stainless steel).
  • the contaminated air then passes into a chamber, such as a heating detoxification chamber, where the contaminated air is heated.
  • a chamber such as a heating detoxification chamber
  • the contaminated air may be heated to a high enough temperature (or so that the contaminated air is hot enough) to sterilize and deodorize the air, e.g., a temperature in a range from about 800 degrees C to about 850 degrees C.
  • the hot air passes back to the system through a conduit 30 and into an expansion box 25.
  • the hot air is allowed to enter either at least one fresh air heat exchanger tube
  • the at least one fresh air heat exchanger tube 70 is mounted in and sealed to a fresh air hot end tube plate 50 at the expansion box 25.
  • the at least one pre-heater heat 20 exchange tube 72 is mounted in and sealed to a pre-heater hot end tube plate 52 at the expansion box 25, as shown in FIG. 8.
  • the other end of the at least one fresh air heat exchanger tube 70 is mounted in and sealed to a fresh air cold end tube plate 80, as shown in FIGs. 5 and 8.
  • the at least one pre-heater exchange tube 72 is mounted in and sealed to a pre-heater cold end tube plate 82, as shown in FIG. 6.
  • the tubes 70 and 72 may expand as hot air is transported through the tubes 70 and 72. As the tubes 70 and 72 expand, the length of 30
  • the tubes 70 and 72 increase.
  • tubes 70 and 72 that are about six meters long may expand about 40 mm in length.
  • the lengthening of the tubes 70 and 72 may be accommodated in the heat exchangers 14 and 16 while maintaining the containment of the - ⁇ - fresh air and the contaminated air away from the hot air.
  • at least one groove 92 along the outside perimeter of the fresh air cold end tube plate 80 is adapted to mount at least one gasket.
  • the at least one gasket presses against wall 94 to maintain an air- tight seal while allowing the fresh air cold end tube plate 80 to slide along the wall 94 as the at least one fresh air heat exchanger tube 70 lengthens. Therefore, the fresh air is contained away from the hot air.
  • the pre-heater cold end tube plate 82 may have a similar arrangement.
  • the tubes 70 and 72 are welded to the tube plates 50, 52, 80, and 82.
  • the tubes 70 and 72 have a diameter of 10
  • the tubes 70 and 72 are about six meters long.
  • the tubes 70 and 72 are formed of stainless steel so that the tubes 70, 72 can withstand high temperatures and may expand or contract as the tubes 70 and 72 are heated or cooled.
  • the system has a nest (e.g., about 20 1500) of fresh air heat exchanger tubes 70 and a nest (e.g., 1500) of pre-heater heat exchanger tubes 72, with sufficient surface area to carry out the heat recuperation requirement.
  • a gap or expansion chamber
  • 25 tubes 70 and 72 and the sides of the heat exchanger 14, 16 may allow the air moving through the heat exchanger 14, 16 to expand and drop in velocity to obtain static regain, thus providing a more uniform air mix to the air moving over the next pass. Therefore, there is a lower total pressure drop as the air travels through the heat exchanger 14, 16, and there is a 30
  • the tubes 70 and 72 are mounted about 5 mm apart.
  • the temperature of the hot air entering the at least one fresh air heat exchanger tube and the at least one pre-heater heat exchanger tube is a temperature in a range from about 800 degrees C to about 850 degrees C.
  • the interior of the at least one fresh air heat exchanger tube 70 opens into a manifold that is coupled to conduit 22, and the interior of the at least one pre-heater heat exchanger tube 72 opens into a second manifold that is coupled to conduit 24. As shown in FIG. 9, conduits 22 and 24 are then coupled to proportioning valve 18, and hot air passes out of the proportioning valve 18 through exit 20.
  • Valve plate 90 inside proportioning valve 18 is adapted to be rotated to control hot air flow through tubes 70 and 72. For example, the valve plate 90 may be rotated so that opening from conduit 22 to exit 20 is decreased and the 10
  • valve plate 90 may be rotated so that the opening from the conduit 24 to exit 20 is decreased and the opening from conduit 22 to exit 20 is increased.
  • the pressure in the at least one pre-heater heat exchanger tube 72 will be increased, and the
  • 25 pressure in the at least one fresh air heat exchanger tube 70 will be decreased. As a result, less hot air enters the at least one pre-heater heat exchanger tube 72 and more hot air enters the at least one fresh air heat exchanger tube 70. Therefore, less heat is transferred to the contaminated air in the pre-heater heat exchanger 16 so the temperature of the pre-heated 30
  • valve plate 90 may be controlled to maintain a suitable temperature of
  • the temperature of the pre-heated contaminated air may be measured, and the valve plate 90 may be adjusted accordingly.
  • the valve plate 90 is rotated so that the opening from the conduit 24 is increased so that more heat is transferred to the contaminated air, as described above. Therefore, the temperature of the contaminated air increases.
  • the valve plate 90 is rotated so that the opening from the conduit 24 is decreased so that less heat is transferred to the contaminated air, as described above. Therefore, the temperature of the contaminated air decreases.
  • the temperature of the warmed fresh air may be measured, 10
  • valve plate 90 may be adjusted accordingly.
  • the valve plate 90 is rotated so that the opening from the conduit 22 is increased so that more heat is transferred to the fresh air, as described above. Therefore, , ⁇ - the temperature of fresh air increases.
  • the valve plate 90 is rotated so that the opening from the conduit 22 is decreased so that less heat is transferred to the fresh air, as described above. Therefore, the temperature of the fresh air decreases.
  • valve plate 90 may be controlled by an automated process.
  • the temperatures of the fresh air, the contaminated air, and the hot air may be measured at any suitable location, e.g., any suitable
  • the temperature of the hot air may be adjusted in accordance with a measurement of the temperature of the fresh air and/or the contaminated air.
  • the air leaving the tubes 70 and 72 is about 120 degrees C.
  • the velocity of the air leaving the exit ⁇ c 20 is about 5000 feet per minute.

Abstract

L'invention concerne un système pour récupérer la chaleur et réguler la pression, lequel système comprend un échangeur thermique à air frais pourvu d'au moins une conduite d'échangeur thermique à air frais; un échangeur thermique de préchauffage pourvu d'au moins une conduite d'échangeur thermique pour préchauffage; et un robinet doseur couplé aux conduites. L'échangeur thermique à air frais est conçu pour réchauffer l'air frais par transfert de chaleur depuis ladite conduite d'échangeur thermique à air frais. L'échangeur thermique de préchauffage est conçu pour préchauffer l'air contaminé par transfert de la chaleur depuis ladite conduite d'échangeur thermique de préchauffage. Les conduites sont conçues pour recevoir de l'air chaud et pour transférer la chaleur provenant de l'air chaud. Le robinet doseur est conçu pour réguler le débit d'air chaud à travers les conduites.
PCT/IB2010/002003 2009-07-14 2010-07-13 Unité de régulation de pression et de récupération de chaleur WO2011007252A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/503,030 2009-07-14
US12/503,030 US20100012298A1 (en) 2008-07-14 2009-07-14 Heat Recovery and Pressure Control Unit

Publications (2)

Publication Number Publication Date
WO2011007252A2 true WO2011007252A2 (fr) 2011-01-20
WO2011007252A3 WO2011007252A3 (fr) 2011-04-07

Family

ID=43451721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2010/002003 WO2011007252A2 (fr) 2009-07-14 2010-07-13 Unité de régulation de pression et de récupération de chaleur

Country Status (2)

Country Link
US (1) US20100012298A1 (fr)
WO (1) WO2011007252A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120261098A1 (en) * 2011-04-14 2012-10-18 General Electric Company Heat exchanger
EP3179826B1 (fr) * 2015-12-09 2020-02-12 Samsung Electronics Co., Ltd. Élément de chauffage comprenant une charge de nanomatériau
US10425993B2 (en) * 2016-12-08 2019-09-24 Goodrich Corporation Carbon nanotube yarn heater

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140175A (en) * 1974-05-10 1979-02-20 Darm William J Vertical counterflow heat exchanger apparatus
US4556105A (en) * 1983-10-24 1985-12-03 Boner Alan H Parallel heat exchanger with interlocking plate arrangement
US20060213196A1 (en) * 2003-02-05 2006-09-28 Tetuo Sukioka Cogeneration system
US20070006528A1 (en) * 2005-06-28 2007-01-11 Community Power Corporation Method and Apparatus for Automated, Modular, Biomass Power Generation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140175A (en) * 1974-05-10 1979-02-20 Darm William J Vertical counterflow heat exchanger apparatus
US4556105A (en) * 1983-10-24 1985-12-03 Boner Alan H Parallel heat exchanger with interlocking plate arrangement
US20060213196A1 (en) * 2003-02-05 2006-09-28 Tetuo Sukioka Cogeneration system
US20070006528A1 (en) * 2005-06-28 2007-01-11 Community Power Corporation Method and Apparatus for Automated, Modular, Biomass Power Generation

Also Published As

Publication number Publication date
WO2011007252A3 (fr) 2011-04-07
US20100012298A1 (en) 2010-01-21

Similar Documents

Publication Publication Date Title
EP0192862B1 (fr) Echangeur de chaleur à gaz de fumée
UA95288C2 (ru) Сушильное (варианты) и испарительное устройство для сушки зернистого материала, испарительное устройство для удаления летучих веществ из сыпучих материалов, способ высушивания зернистого материала, способ удаления летучих веществ из сыпучего материала
WO2013085253A1 (fr) Séchoir à faible consommation d'énergie
SK103595A3 (en) Heating vessel for solid materials equipped with heating tubes
CN104056765A (zh) 用于干燥工件的装置和用于运行这种装置的方法
US20100012298A1 (en) Heat Recovery and Pressure Control Unit
CN101194746A (zh) 烟草加工工业的筒式干燥器
WO2009117296A3 (fr) Système de chauffage, de ventilation et de climatisation à base de vapeur
CZ2007475A3 (cs) Zarízení k sušení sypkých a kašovitých materiálu a kalu
JPH04161160A (ja) ホルマリン燻蒸滅菌装置
RU2393385C2 (ru) Устройство для сжигания органических веществ
CN102028963B (zh) 粉体灭菌室的粉体灭菌方法
CZ201873A3 (cs) Ohřívač sypkých materiálů
CN217541088U (zh) 一种可调节回流的节能燃气热风炉
EP1407206A2 (fr) Sechoir pour cereales et matieres en grains en general
CN204519105U (zh) 一种立筒式连续热风气流真空谷物干燥机
CN106630537A (zh) 双级烘干机
CN201850208U (zh) 一种新型给水污泥脱水处理设备
CN202374959U (zh) 一种用于挂面干燥的热风集中处理系统
CN205953528U (zh) 活塞石墨固化连续炉
CN110260636A (zh) 一种基于过热蒸汽的物料干燥系统及方法
GB2052299A (en) Polluted fumes purification and heat recovering system, particularly for driers
CN212253564U (zh) 一种兽药颗粒烘干装置
CN211717128U (zh) 粮食干燥热风炉
CN212692418U (zh) 太阳能热泵与微波多能互补的联合干燥灭菌设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10799498

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 20/04/2012)

122 Ep: pct application non-entry in european phase

Ref document number: 10799498

Country of ref document: EP

Kind code of ref document: A2