[go: up one dir, main page]

WO1999050609A1 - Echangeur de chaleur empilable pour le traitement de matieres carbonees - Google Patents

Echangeur de chaleur empilable pour le traitement de matieres carbonees Download PDF

Info

Publication number
WO1999050609A1
WO1999050609A1 PCT/US1999/006234 US9906234W WO9950609A1 WO 1999050609 A1 WO1999050609 A1 WO 1999050609A1 US 9906234 W US9906234 W US 9906234W WO 9950609 A1 WO9950609 A1 WO 9950609A1
Authority
WO
WIPO (PCT)
Prior art keywords
carbonaceous material
heat exchanger
acidic solution
inlet
outlet
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.)
Ceased
Application number
PCT/US1999/006234
Other languages
English (en)
Inventor
Edward Koppelman
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.)
Koppelman Hillari
KFx Inc
Original Assignee
Koppelman Hillari
KFx 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 Koppelman Hillari, KFx Inc filed Critical Koppelman Hillari
Priority to AU31100/99A priority Critical patent/AU3110099A/en
Publication of WO1999050609A1 publication Critical patent/WO1999050609A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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 OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

Definitions

  • the present invention relates to a heat exchange apparatus for
  • the apparatus of the present invention relates to a stackable heat exchanger which is selectively adjustable to treat various amounts of naturally occurring carbonaceous materials, such as wood, peat or sub-bituminous coal, for example, to render them more suitable as solid fuel.
  • a number of inventions relating to upgrading carbonaceous fuel have heretofore been used or proposed so as to render the carbonaceous fuel more suitable as a solid fuel.
  • Many problems such as extensive costs, both in manufacturing and operating carbonaceous fuel upgrading systems, difficult and complex controls for enabling the operation of carbonaceous fuel upgrading systems particularly on a continuous basis, and a general lack of flexibility and versatility of such equipment both in the adaptation for the processing of other materials at different temperatures and/or pressures and
  • the apparatus of the present invention is intended to overcome many of the problems and disadvantages associated with prior art equipment and techniques by providing stackable heat exchangers which are of relatively simple design, durable construction, versatile in use and readily adaptable for processing different feed materials under varying temperatures and/or pressures.
  • the apparatuses of the present invention are further characterized as being simple to control and efficient in the utilization of heat energy, thereby providing for economical operation and a conservation of resources.
  • the benefits and advantages of the present invention are achieved by employing the stackable heat exchanger wherein a predetermined amount of carbonaceous material is charged into at least one section or cell of the heat exchanging apparatus.
  • the heat exchange apparatus comprises at least one tube for circulating a heat exchange medium wherein the tube is disposed within and surrounded by an outer casing.
  • a treatment medium such as superheated steam or inert gas for example is introduced into the section containing the carbonaceous material in order to remove undesirable constituents and thereby increase the BTU value of the material.
  • the invention provides an apparatus for upgrading carbonaceous material by increasing the BTU value of said material, the apparatus comprising: a stacked heat exchanger including a plurality of selectively detachable cells wherein at least one and preferably each of the cells include means for circulating a heat exchange medium, said means being surrounded by an outer casing which is adapted to receive a charge of carbonaceous material.
  • the system is readily adaptable to accommodate varying amounts of carbonaceous material.
  • the individual heat exchangers of the stack otherwise referred to herein as cells, are selectively detachable and therefore replaceable, if necessary, without having to disassemble the entire heat exchanger as is generally the case with conventional long tube heat exchangers useful for treating carbonaceous materials.
  • the relative temperature and pressure can be controlled at each cell if desired to carry out specific treatment objectives.
  • the invention provides a process for upgrading carbonaceous materials, comprising the steps of:
  • the invention provides a process for removing minerals from the carbonaceous materials prior to carrying out the upgrading steps.
  • the process involves introducing the carbonaceous material to an acidic solution to separate out various naturally occurring elements such as calcium and sodium, for example. Once the naturally occurring elements have been removed, the carbonaceous material is ready for upgrading.
  • Figure 1 is a view illustrating a system for carrying out a process for upgrading carbonaceous material in accordance with the teachings of the present invention
  • Figure 2 is a partial cross-sectional view of a single heat exchanger which forms part of the stacked heat exchanger assembly in accordance with the teachings of the present invention
  • Figure 3 is an alternative embodiment of the stacked heat exchanger assembly in accordance with the teachings of the present invention
  • Figure 4 is an end view in cross-section further illustrating the heat exchanger assembly of Figure 3.
  • the system 10 generally comprises at least one storage bin 14 for housing carbonaceous material prior to upgrading and a water feed 16 to maintain the desired fluid level in feed tube 18.
  • an auger 84 Disposed within feed tube 18 is an auger 84 driven by motor 20 for transporting carbonaceous material from the feed tube to a second auger 22.
  • Auger 22 which is driven by motor 24 is attached to the stacked heat exchanger assembly 12 and generally includes an outlet 26 for removing overflow carbonaceous material, if any.
  • Still another auger 28, driven by motor 30, is connected to the stacked heat exchanger assembly 12 along a second end 32 to grind the upgraded carbonaceous material as it exits the stacked heat exchanger assembly.
  • the upgraded carbonaceous material is transferred through tube 34 via a
  • the cell 38 includes an elongated outer casing 40 which is generally disposed parallel to ground or system supporting surface such that the cell is substantially maintained along a horizontal plane.
  • the cell 38 includes a body portion 42 including a cavity 88 for hosting the carbonaceous material to be upgraded and a selectively removable end cap 44 with the two cell components being operably maintained by at least one, and preferably two, spaced apart releasable retainers 46 disposed over flanges 48 extending outwardly from the casing.
  • the outer casings 40, and more particularly, the body portion thereof, are also provided with one or more sealable inlets 50
  • the inlets and outlets are sized such that the outer diameter of the inlet corresponds to the inner diameter of a matrix outlet such that the two are joined in a sealed relationship.
  • an elongated cell having a plurality of inlets and outlets will generally include a plurality of baffles 54 for segregating the body into multiple treatment zones 56.
  • the end cap 44 includes an inlet 58 and outlet 60 for introducing a heat exchange medium into the bundle 62 of substantially U-shaped tubes 64 which are welded or otherwise permanently attached to end plate 66 to form the heat exchanger core 74.
  • the end plate is of sufficient diameter to seat between the flanges 48 when the end cap and body portion of the cell are coupled together.
  • the inlet 58 and outlet 60 of the respective end caps are connected to conduit system 68 for recycling the heat exchange medium through furnace 70.
  • Extending inwardly from the end cap may be a brace 72 which seats against the end plate 66 to assist in securing the bundle 62 in position, particularly when the system is operated at extreme temperatures and pressures.
  • a means for introducing and removing a treatment medium as represented by reference numeral 76.
  • the treatment medium which is generally in the form of inert gas and/or superheated steam is introduced through inlet 78 and optionally removed through outlet 80.
  • the means for introducing a treatment medium are shown as being cycled through auger 28, it should be understood by those skilled in the art that the means for introducing and optionally removing treatment medium can be
  • FIG. 3 and 4 there is shown an alternative embodiment of a stacked heat exchanger assembly 12A in accordance with the teachings of the present invention.
  • This embodiment which depicts a short stacked heat exchanger is substantially identical to the larger scale heat exchanger assembly shown in Figures 1 and 2 except that each individual cell employs a single inlet and outlet 50A and 52A, respectively, for introducing and removing carbonaceous materials.
  • 7 exchanger stack 12A is also provided with support members 80A located along each end between adjacent cells to reduce the load subjected upon the joint 82A occurring between the cells.
  • the carbonaceous material is optionally washed with an acidic solution having a pH ranging from about 3.0 to about 6.5 and more preferably from about 4.0 to 6.0.
  • the acid included in the solution is selected from the group consisting of hydrochlorine, sulfine, nitric and acetic acids, with acetic acid being preferred.
  • the concentration of the acidic solution should be less than 30%, more preferably, between about 1.0% and 10.0% and, still more preferably, the acidic solution should have a concentration of from about 2.0%
  • the acidic solution is contained in the portion of the upwardly angled feed tube 18 such that as the carbonaceous material is transferred through the tube toward the heat exchanger assembly, most of the acidic solution and minerals will remain in to the lower portion of the feed tube while the carbonaceous material is transported via auger 84 to the stacked heat exchanger. Once separated from the carbonaceous material, the minerals can be recovered through valve 86.
  • the heat exchanger cores 74 are inserted into the respective cells 38 and the body portion 42 and end caps 44 have been coupled together to encapsulate the respective cores. Thereafter, the carbonaceous material is introduced into the heat exchanger cells 38 via auger 22 until the cells are filled to the desired capacity.
  • the heat exchange medium is circulated throughout the heat exchanger cores 74 and cycled through furnace 70 to heat the carbonaceous material up to about 250° F to about 1200°F.
  • a treatment medium such as superheated steam or inert gas is introduced into the heat exchanger cells to assist in the upgrading process.
  • the treatment medium may be introduced at standard pressures or, depending on the treatment medium being employed, may be introduced at pressures as high as about 3000 psi.
  • any by-products generated such as tar for example are removed via the drainage vaive 82.
  • the upgraded carbonaceous material is then transported via auger 28 and through transfer tube 34 to storage bins 36 for eventual use.
  • the present invention offers not only a heat exchanger assembly which is selectively adjustable to upgrade a predetermined amount of carbonaceous material by adding or removing tiers to and from the stack, but also offers a convenient means for replacing heat exchanger cells and cores without having to disassemble the entire heat exchanger which is typically the case with standard long tube systems.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Cette invention se rapporte à un appareil échangeur de chaleur (12) comprenant plusieurs cellules sélectivement détachables (38) destinées à recevoir des quantités variables de matière carbonée à traiter. Cette invention se rapporte également à des systèmes (10) et à des procédés servant à extraire les matières minérales de ces matières carbonées et à valoriser ainsi ces matières carbonées, pour qu'elles puissent être utilisées comme combustible.
PCT/US1999/006234 1998-03-30 1999-03-22 Echangeur de chaleur empilable pour le traitement de matieres carbonees Ceased WO1999050609A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU31100/99A AU3110099A (en) 1998-03-30 1999-03-22 Stackable heat exchanger for processing carbonaceous material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5039398A 1998-03-30 1998-03-30
US09/050,393 1998-03-30

Publications (1)

Publication Number Publication Date
WO1999050609A1 true WO1999050609A1 (fr) 1999-10-07

Family

ID=21965008

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/006234 Ceased WO1999050609A1 (fr) 1998-03-30 1999-03-22 Echangeur de chaleur empilable pour le traitement de matieres carbonees

Country Status (2)

Country Link
AU (1) AU3110099A (fr)
WO (1) WO1999050609A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6497054B2 (en) 2000-09-26 2002-12-24 Technological Resources Pty. Ltd. Upgrading solid material

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US280131A (en) * 1883-06-26 chambers
US1619034A (en) * 1924-09-29 1927-03-01 Griscom Russell Co Sectional condenser
US1640746A (en) * 1922-03-14 1927-08-30 Carl F Braun Heat exchanger
US1918601A (en) * 1932-04-22 1933-07-18 Alco Products Inc Heat exchanger
US3749160A (en) * 1969-07-04 1973-07-31 Norsk Hydro As Tube bank heat exchanger and unit of such heat exchangers
US4126519A (en) * 1977-09-12 1978-11-21 Edward Koppelman Apparatus and method for thermal treatment of organic carbonaceous material
US4173530A (en) * 1974-01-14 1979-11-06 Otisca Industries, Ltd. Methods of and apparatus for cleaning coal
US4569678A (en) * 1984-05-25 1986-02-11 Simpson Charles H Method for removing pyritic, organic and elemental sulfur from coal

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US280131A (en) * 1883-06-26 chambers
US1640746A (en) * 1922-03-14 1927-08-30 Carl F Braun Heat exchanger
US1619034A (en) * 1924-09-29 1927-03-01 Griscom Russell Co Sectional condenser
US1918601A (en) * 1932-04-22 1933-07-18 Alco Products Inc Heat exchanger
US3749160A (en) * 1969-07-04 1973-07-31 Norsk Hydro As Tube bank heat exchanger and unit of such heat exchangers
US4173530A (en) * 1974-01-14 1979-11-06 Otisca Industries, Ltd. Methods of and apparatus for cleaning coal
US4126519A (en) * 1977-09-12 1978-11-21 Edward Koppelman Apparatus and method for thermal treatment of organic carbonaceous material
US4569678A (en) * 1984-05-25 1986-02-11 Simpson Charles H Method for removing pyritic, organic and elemental sulfur from coal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6497054B2 (en) 2000-09-26 2002-12-24 Technological Resources Pty. Ltd. Upgrading solid material

Also Published As

Publication number Publication date
AU3110099A (en) 1999-10-18

Similar Documents

Publication Publication Date Title
CA2129006C (fr) Methode et appareil pour ameliorer un combustible carbonace
AU715926B2 (en) Method and apparatus for reducing the by-product content in carbonaceous materials
CA2116379C (fr) Installations de fermentation
US4583301A (en) Variable volume vacuum drying chamber
CN102325587A (zh) 固液混合物处理方法和设备
WO2008020258A1 (fr) Réacteur et appareil de pyrolyse de déchets, en particulier de pneu
CN107345146A (zh) 一种进行水热碳化反应的装置
WO2010062359A1 (fr) Séchoir à haute efficacité
WO1999050609A1 (fr) Echangeur de chaleur empilable pour le traitement de matieres carbonees
US2596299A (en) Sheetsxsheet i
JP2001507622A (ja) リアクタ
CN209343792U (zh) 处理放射性有机废物的工艺系统
US6955757B1 (en) Apparatus for processing fluids
CN2280213Y (zh) 矿渣余热回收热管蒸气发生器
WO2001027041A1 (fr) Dispositif de traitement de fluides
CN209636081U (zh) 一种污泥裂解系统
US6679984B2 (en) Method for recovery of gold and silver
CN109574445A (zh) 一种污泥裂解系统
CN213739292U (zh) 一种瓦斯全循环干馏炉
CN102050551A (zh) 洒水式滤床型排水处理装置
CN209685557U (zh) 一种有机物连续处理装置
SU1147428A1 (ru) Установка дл тепловой обработки зерна
AT403728B (de) Mediumspeicher
CN2270952Y (zh) 折流型槽体板式加热搅拌干燥机
CN221611902U (zh) 一种余热回收利用系统

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH GM HR HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SL SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
NENP Non-entry into the national phase

Ref country code: KR

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase