EP2531302A2 - Dispositif et procédé pour produire un combustible à grains fins par séchage et broyage par impact - Google Patents

Dispositif et procédé pour produire un combustible à grains fins par séchage et broyage par impact

Info

Publication number
EP2531302A2
EP2531302A2 EP11705431A EP11705431A EP2531302A2 EP 2531302 A2 EP2531302 A2 EP 2531302A2 EP 11705431 A EP11705431 A EP 11705431A EP 11705431 A EP11705431 A EP 11705431A EP 2531302 A2 EP2531302 A2 EP 2531302A2
Authority
EP
European Patent Office
Prior art keywords
reactor
gas
impact
energy
drying
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.)
Granted
Application number
EP11705431A
Other languages
German (de)
English (en)
Other versions
EP2531302B1 (fr
Inventor
Ralf Abraham
Stefan Hamel
Ralf Schäfer
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.)
Proactor Schutzrechtsverwaltungs GmbH
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp Uhde GmbH
Proactor Schutzrechtsverwaltungs GmbH
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 ThyssenKrupp Uhde GmbH, Proactor Schutzrechtsverwaltungs GmbH filed Critical ThyssenKrupp Uhde GmbH
Priority to PL11705431T priority Critical patent/PL2531302T3/pl
Publication of EP2531302A2 publication Critical patent/EP2531302A2/fr
Application granted granted Critical
Publication of EP2531302B1 publication Critical patent/EP2531302B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/288—Ventilating, or influencing air circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B02C23/26—Passing gas through crushing or disintegrating zone characterised by point of gas entry or exit or by gas flow path
    • 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

Definitions

  • the invention relates to the thermal and mechanical pretreatment substances which may be present in pasty or viscous form and are referred to hereinafter as solid or pasty energy resources, including, for example, biogenic and other highly reactive fuels, fossil fuels and residues count in one baffle reactor.
  • solid or pasty energy resources including, for example, biogenic and other highly reactive fuels, fossil fuels and residues count in one baffle reactor.
  • solids and liquid fractions are mixed together, examples of which are sewage sludge and industrial residues, either on an aqueous basis or on the basis of solvents or energy-containing liquids, such as lubricants.
  • the synthesis gas thus produced is the feedstock for downstream chemical syntheses, such as for Fischer-Tropsch, methanol or ammonia synthesis.
  • Typical grain sizes are for hard coal e.g. in the range ⁇ 100 microns.
  • this particle size may also be significantly larger depending on the process parameters, also is a
  • Ventilation methods are listed as technical drying devices, in which a promotion of the material to be dried, the rotary reversing dryer, belt dryer and rotary dryer. These mentioned devices have in common that no comminution of the particles takes place.
  • the object of the invention is therefore to provide a device simpler apparatus and a more energy-efficient method available, with which the drying and crushing can be done in an apparatus, wherein the solid or pasty energy raw materials are pretreated so that they are for a
  • the invention solves the problem by means of a device for producing a fine-grained fuel, in particular from solid, pasty or aqueous energy by drying and comminution, comprising
  • At least one further hot gas feed device in the bottom area of the impact reactor • a feeding device for solid or pasty energy raw materials in
  • Hot-drying gas supply device in the bottom area of the impact reactor, wherein large amounts of drying gas are to be introduced.
  • distributed over the circumference holes are provided.
  • the holes are made inclined in the radial direction and that the bores are aligned tangentially to the direction of rotation of the baffle elements.
  • the outlet direction of the holes can be aligned with or against the direction of rotation of the rotor of the Praiireaktors.
  • the procedurally more favorable solution depends on the interaction of the properties of the material to be comminuted and the
  • hot drying gas can be added in the bottom region of the baffle reactor by distributed over the circumference slit-shaped openings.
  • the slots may also have a radial inclination.
  • the slots can also be formed by overlapping mounting of floor panels.
  • Circuit circuit provided with a gas circuit, having in addition
  • At least one pressure-increasing device in the recycle gas stream • at least one diluent gas addition device in the
  • the object of the invention is also achieved by a method for producing a fine-grained fuel from solid, pasty or aqueous energy raw materials by drying and impact crushing using a
  • Impingement reactor with a rotor and baffles, in which
  • Hot drying gas is supplied both in the bottom area of the impact reactor and via a labyrinth seal in the area of the rotor shaft of the impact reactor,
  • the energy raw materials in the impact reactor are comminuted and dried, and comminuted and dried energy raw material particles in a mixture containing them
  • Gas stream are guided out of the impingement reactor in a particle separator.
  • drying gas is fed together with the energy raw materials through its supply device into the reactor, in this case it is important to ensure that the drying gas is introduced into the supply device sufficiently cool.
  • Feeding device is heated indirectly. Due to the drying effect, the drying gas cools during passage through the feeder. The heating counteracts this cooling. For heating, the hot drying gas can be used, which itself cools and then passed through the feeder. About a screw conveyor, which is open to the impact reactor, the
  • Drying gas can be introduced freely into the baffle reactor. It is advantageous in this case if the energy raw materials and the drying gas are passed in co-current through the screw conveyor. With a rotary valve, which connects the silo with the screw conveyor, a backflow into the silo can be prevented.
  • All types of feed for drying gas can also be used additively. It is thus possible to introduce drying gas both via the labyrinth seal, as well as the feed device for energy resources, as well as holes and slots in the bottom region of the impact reactor in the baffle reactor and thus process technology to respond to a variety of raw materials, which is an advantage of the invention.
  • a suitable impact reactor is described for example in DE 196 00 482 A1.
  • This apparatus is surprisingly capable of producing biomass, e.g. Straw or green waste, in the same way as the one described there
  • Drum dryer or belt dryer for biomass here takes place simultaneously a crushing by the baffle effect. It will be in contact with the
  • Impingement elements preferably the already partially dried outer
  • FIG. 1 shows the device within a circulatory operation
  • FIG. 2 shows a detailed detail in the area of the rotor shaft of the impingement reactor. From the storage tank 1, the biomass 2 on the
  • the comminuted and dried particles 11 are withdrawn via a separator 6, which is preferably a motor-operated rotary separator, with the gas stream 9 from the impingement reactor 5 and into the particle separator 10, shown here as a filtering separator. Another withdrawal takes place through the side outlet 6a, wherein the withdrawn gas 9a also for
  • Particle separator 10 is passed.
  • the size of the exiting with the gas stream 9 particles can be adjusted by the use of the classifier 6. It may also be advantageous to dispense with the motor-driven rotary separator and to use screens or perforated plates, by which the particle size of the solids contained in the gas stream 9 can be influenced.
  • the target particle size of the dried particles 11 is defined by various requirements of the gasification or incineration plant. These are e.g. Requirements for the interaction of reactivity and particle size, on the transport properties or further, may be advantageous for different sof a different particle size or particle size distribution. Therefore, they are different
  • Pre-separation methods such as sifters or sieves make sense.
  • a mass separator or a cyclone separator may be used sensibly as a particle separator 10.
  • Verfarhens Republice can also be a cleaning with other inert gases or with carbon dioxide, air or with oxygen-depleted air.
  • a partial flow 17 is previously branched off, and mixed by means of the blower 18 with hot gas, which is obtained from the burner 19 from air 20 and fuel gas 21.
  • the resulting drying gas 22 is with
  • drying gas 8a there it is divided as the drying gas 8a via a labyrinth seal and drying gas 8b via bottom openings as described above as in the
  • Screw conveyor 4 is via a heating medium with Hammerschzulauf 24 and
  • FIG. 2 is a fragmentary detail view of
  • Baffle reactor 5 shown in the region of the rotor shaft 34, via which the rotor 7 is driven by a motor not shown in detail. As the illustration of Fig. 2 can be taken here, located at the front end of the
  • Rotor shaft 34 has a rotor receptacle 35, in the underside of a circumferential recess or groove 36 is introduced, for example, has a rectangular cross-section.
  • a circumferential projection 37 which is preferably arranged on the bottom plate 38 of the baffle reactor 5.
  • the projection 37 has a width which is smaller than the width of the recess 36, and does not extend completely with its top to the bottom of the recess, so that between the outer surface of the projection 37 and the inner surface of the recess 36, a labyrinth seal 33rd with a
  • Labyrinthgang 33a formed through which the full amount of the drying gas (8a + 8b) or a subset (6a) or other gas is introduced into the interior of the impingement reactor 5.
  • the labyrinth passage may have a width in the range of 2mm to 20mm. According to a not shown
  • the labyrinth seal 33 viewed in the radial direction to improve the sealing effect also have two or more projections 37 which extend into corresponding recesses 36, which are adapted in shape to the shape of the projections.
  • the supply of the drying gas 8a via the labyrinth seal 33 is preferably carried out by one or more below the bottom plate 38 in the
  • This can be further improved by the use of one or more, the labyrinth passage 33a fluidly downstream Schleuderangn 41.
  • the supply of the further drying gas 8b is carried out by one or more located in the bottom plate 38 openings 42.
  • These openings 42 can be performed as a plurality of holes over the circumference or as one or more slots. It is also conceivable to provide oblique bores in order to impart to the gas 8b, as it flows into the impingement reactor 5, a flow direction advantageous in terms of process technology.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Sludge (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

Dispositif et procédé pour produire un combustible à grains fins, notamment à partir de matières premières énergétiques solides, pâteuse ou aqueuses, par séchage et broyage, ledit dispositif présentant un réacteur à impact pourvu d'un rotor et d'éléments d'impact, un joint à labyrinthe placé dans la zone de l'arbre de rotor du réacteur à impact, un dispositif d'alimentation pour faire passer un gaz de séchage chaud à travers le joint à labyrinthe et l'introduire dans le réacteur à impact, au moins un autre dispositif d'alimentation pour introduire un gaz de séchage chaud dans la zone du fond du réacteur à impact, un dispositif d'alimentation pour introduire des matières premières énergétiques solides ou pâteuses dans la zone de tête du réacteur à impact, au moins un dispositif d'évacuation pour un flux gazeux contenant des particules de matières premières énergétiques broyées et séchées, et un dispositif de séparation et d'évacuation pour les particules de matières premières énergétiques broyées et séchées présentes dans le flux gazeux évacué du réacteur à impact.
EP11705431.2A 2010-02-04 2011-01-26 Dispositif et procédé pour produire un combustible à grains fins par séchage et broyage par impact Not-in-force EP2531302B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11705431T PL2531302T3 (pl) 2010-02-04 2011-01-26 Urządzenie do wytwarzania i sposób wytwarzania drobnoziarnistego paliwa opałowego przez suszenie i rozdrabnianie udarowe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010006916A DE102010006916A1 (de) 2010-02-04 2010-02-04 Vorrichtung und Verfahren zur Erzeugung eines feinkörnigen Brennstoffs durch Trocknung und Prallzerkleinerung
PCT/EP2011/000336 WO2011095295A2 (fr) 2010-02-04 2011-01-26 Dispositif et procédé pour produire un combustible à grains fins par séchage et broyage par impact

Publications (2)

Publication Number Publication Date
EP2531302A2 true EP2531302A2 (fr) 2012-12-12
EP2531302B1 EP2531302B1 (fr) 2013-12-18

Family

ID=44175999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11705431.2A Not-in-force EP2531302B1 (fr) 2010-02-04 2011-01-26 Dispositif et procédé pour produire un combustible à grains fins par séchage et broyage par impact

Country Status (16)

Country Link
US (1) US20130199424A1 (fr)
EP (1) EP2531302B1 (fr)
KR (1) KR20130009757A (fr)
CN (1) CN102834179A (fr)
AU (1) AU2011212726B2 (fr)
CA (1) CA2786797A1 (fr)
DE (1) DE102010006916A1 (fr)
DK (1) DK2531302T3 (fr)
ES (1) ES2464277T3 (fr)
MX (1) MX2012009040A (fr)
PL (1) PL2531302T3 (fr)
RU (1) RU2012135070A (fr)
TW (1) TW201134553A (fr)
UA (1) UA105407C2 (fr)
WO (1) WO2011095295A2 (fr)
ZA (1) ZA201204799B (fr)

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DE102011080375A1 (de) * 2011-08-03 2013-02-07 Vescon System Ag Verfahren und Vorrichtung zum Herstellen von organischen Faserstoffen oder Granulaten
CN102607904B (zh) * 2012-03-29 2013-11-13 浙江大学 锅炉水冷壁高温腐蚀气氛监测装置
AT515772B1 (de) * 2014-11-27 2015-12-15 A Tec Holding Gmbh Verfahren zum Aufbereiten von Ersatzbrennstoffen
LU92916B1 (en) * 2015-12-17 2017-07-13 Wurth Paul Sa Grinding and drying plant
DE102016115714A1 (de) * 2016-08-24 2018-03-01 Schäfer E. Technik u. Sondermaschinen GmbH Prallreaktor
IT201900006959A1 (it) * 2019-05-17 2020-11-17 Waste Processing Tech Srl Impianto e metodo per il trattamento di rifiuti
CN115722309A (zh) * 2022-11-24 2023-03-03 四川中科贝特纳米科技有限公司 一种具有惰性气体保护的粉碎设备

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US3484948A (en) * 1967-08-09 1969-12-23 John Campbell Whelan Apparatus for exchanging heat between a gas and a particulate matter
DE3341857C2 (de) * 1983-11-19 1994-09-08 Kloeckner Humboldt Deutz Ag Kegelbrecher
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Also Published As

Publication number Publication date
DK2531302T3 (da) 2014-03-31
KR20130009757A (ko) 2013-01-23
ZA201204799B (en) 2014-03-26
AU2011212726B2 (en) 2014-07-10
CA2786797A1 (fr) 2011-08-11
DE102010006916A1 (de) 2011-08-04
PL2531302T3 (pl) 2015-01-30
WO2011095295A2 (fr) 2011-08-11
CN102834179A (zh) 2012-12-19
US20130199424A1 (en) 2013-08-08
ES2464277T3 (es) 2014-06-02
MX2012009040A (es) 2012-11-29
WO2011095295A3 (fr) 2011-12-29
AU2011212726A1 (en) 2012-07-19
UA105407C2 (ru) 2014-05-12
TW201134553A (en) 2011-10-16
EP2531302B1 (fr) 2013-12-18
RU2012135070A (ru) 2014-03-10

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