SU1047397A3 - Burner for gasification of coal - Google Patents

Burner for gasification of coal Download PDF

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Publication number
SU1047397A3
SU1047397A3 SU792846543A SU2846543A SU1047397A3 SU 1047397 A3 SU1047397 A3 SU 1047397A3 SU 792846543 A SU792846543 A SU 792846543A SU 2846543 A SU2846543 A SU 2846543A SU 1047397 A3 SU1047397 A3 SU 1047397A3
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USSR - Soviet Union
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coal
burner
oxygen
channel
combustion
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SU792846543A
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Russian (ru)
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Зейпенбуш Юрген
Дорен Ганс
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Рурколе Аг (Фирма)
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/485—Entrained flow gasifiers
    • C10J3/487—Swirling or cyclonic gasifiers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/50—Fuel charging devices
    • C10J3/506—Fuel charging devices for entrained flow gasifiers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/74—Construction of shells or jackets
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/74—Construction of shells or jackets
    • C10J3/76—Water jackets; Steam boiler-jackets
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • C10J3/845—Quench rings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/093—Coal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0956—Air or oxygen enriched air
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0959—Oxygen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0973—Water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1846—Partial oxidation, i.e. injection of air or oxygen only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1884—Heat exchange between at least two process streams with one stream being synthesis gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1892—Heat exchange between at least two process streams with one stream being water/steam

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)

Abstract

1. Spinning burner for coal gasification reactors, in which a producer gas containing carbon monoxide and hydrogen is produced by partial oxidation of solid materials containing carbon in the presence of water or steam and of oxygen or air, consisting of a plurality of pipes (20, 21) arranged concentrically to one another for the separate supply of the solid particles and of the gasification medium, with guiding elements built into the conduit (21) for the oxygen or air for production of the spin of the materials emerging from the burner (6) and reacting with one another, characterised in that movable guide elements (34, 40, 61, 77) are present in the nature of a helix, shaped as a spiral spring and supported at least one one side, which have an adjustable angle of inclination of 20-70 degrees with respect to the longitudinal direction of the supply.

Description

Изобретение относитс  к сжиганию высокообводненного твердого топлива . :This invention relates to the combustion of highly watered solid fuels. :

Известны горелки дл  газификации угл , содержащие каналы дл  подвода водной суспензии и кислородсодержащего газа, причем выходные участк каналов выполнены коническими Cl3.Known burners for coal gasification, containing channels for the supply of aqueous suspension and oxygen-containing gas, and the output section of the channels are made conical Cl3.

Однако в процессе газификации угл  образуетс  шлак, который должен быть удален из образовавшегос  газового потока. Удал етс  шлак с помощью вод ной ванны. Недостаточно полное удаление шлака приводит к ненадежной работе горелки.However, during the coal gasification process, slag is formed, which must be removed from the resulting gas stream. Slag is removed with a water bath. Insufficient removal of slag leads to unreliable operation of the burner.

Известны также горелки, содержащие соосные каналы с коническими выходными участками, один из которы выполнен водоохлаждаемым, при этом один предназначен дл  подачи.суспензии угл , а другой - кислородсодержащего газа, причем последний снабжен наклонными относительно его образующей направл ющими пластинами и обтекаемым телом-С2 J. .Burners containing coaxial channels with conical exit sections are also known, one of which is water-cooled, one designed to supply coal suspensions and the other oxygen-containing gas, the latter being provided with inclined guide plates and streamlined body-C2 J .

Недостатком такой горелки также  вл етс  неполное сгорание угл , которое приводит к зашлаковыванию выходных участков.A disadvantage of such a burner is also incomplete combustion of coal, which leads to slagging of the exit portions.

Цель изобретени  - повышение полноты сгорани  угл .The purpose of the invention is to increase the completeness of combustion of coal.

Поставленна  цель достигаетс  тем, что в горелке, содержащей ооосные каналы с коническими выходными участками, один из которых выполнен, водоохлаждаемым, при этом один канал предназначен дл  подачи водной суспензии угл , а другой кислородсодержащего газа, причем последний: снабжен наклонными относительно , его образующей направл ющими пластинами и обтекаемым телом, направл ющие пластины установлены под углом 20-70° к продольной оси, а длина участкаканала, на котором размещены направл ющие пластины, равна 0,01-0,4 его диаметра.The goal is achieved by the fact that in a burner containing TAC channels with conical outlet sections, one of which is water-cooled, one channel is designed to supply water to the coal slurry, and the other is oxygen-containing gas, the latter: The flow plates and the streamlined body, the guide plates are set at an angle of 20-70 ° to the longitudinal axis, and the length of the channel section on which the guide plates are placed is 0.01-0.4 of its diameter.

Кроме того, направл ющие пласти ны могут быть выполнены подвижными.In addition, the guide plates can be made movable.

На фиг. 1 представлена горелка, продольный разрез/ на Фиг. 2 - за-крепление верхней части подвижной направл ющей пластины; на фиг, 3 закрепление нижней части подвижной направл ющей пластины.FIG. 1 shows a burner, a longitudinal section / in FIG. 2 - securing the upper part of the movable guide plate; Fig. 3 shows the fixing of the lower part of the movable guide plate.

Горелка дл  газификации угл  содержит соосные каналы 1 и 2 с коническими выходными участками 3 и 4 Конический выходной участок 3 канала 1 выполнен водоохлаждаемым. КаНсШ 1 предназначен дл  подачи водной суспензии угли, а канал 2 дл  подачи кислородсодержащего газа В канале 2 установлены обтекаемое тело 5 и наклонные относительно его обр аэутощей направл ющие пласти ны б..The coal gasification burner contains coaxial channels 1 and 2 with conical outlet sections 3 and 4. The conical outlet section 3 of channel 1 is water-cooled. KahnSH 1 is intended to supply coal with a water suspension, and a channel 2 for supplying oxygen-containing gas. Channel 2 has a streamlined body 5 and a guide plate bent obliquely relative to its surface.

Направл ющие пластины 6 установлены под углом 20-70 к продольной оси, а длина участка канала, на котромразмещены направл ющие пластины равна 0,01-0,4 его диаметра. Направл ющие пластины б могут быть выполнены подвижными и закреплены верхней и нижней част ми на стенках канала 2.The guide plates 6 are installed at an angle of 20-70 to the longitudinal axis, and the length of the channel section on which the guide plates are placed is 0.01-0.4 of its diameter. The guide plates b can be made movable and fixed to the upper and lower parts on the walls of the channel 2.

Поперечна  форма пластин может быть пр моугольной, круглой или друга .The transverse form of the plates can be rectangular, circular or other.

Длина пластин должна образовывать по крайней мере один вписанный угол от 60 до 300°.The length of the plates should form at least one inscribed angle from 60 to 300 °.

Горелка, работает Следующим образом .The burner works as follows.

Водна  суспензи  угл  насосом после мокрого измельчени  и перемешивани  подаетс  в горелку через канал 1. По каналу 2 подаетс  кислородсодержащий газ, необходимый дл  сгорани . На выходе из горелки происходит парциальное окисление угольньис частиц в присутствии воды. . Б результате этой реакции образуетс  окись углерода и водородсодержащий синтез -газ. Одновременно образуютс  жидкие частицы шлака. В коническ.их выходных участках к:аналов 1 и 2 увеличиваютс  вых.одные скорости потоков.Обтекаемое тело 5, установленное в кангше 2, предотвращает гидравлические потери внутри канала. Установленные в канале 2 направл ющие пластины 6 позвол ют получить -закручиваемый поток кислородсоде жащего газа. Закрутка определ етс  углом наклона пластин, который в процессе работы может измен тьс , так как пластины установлены подвижнь ми. Степень закрутки кислородсодержащего газа вли ет на полноту сгорани  угл .The aqueous suspension of the coal is pumped after wet grinding and mixing to the burner through channel 1. The channel 2 supplies the oxygen-containing gas necessary for combustion. At the exit of the burner, partial oxidation of coal particles occurs in the presence of water. . As a result of this reaction, carbon monoxide and hydrogen-containing synthesis gas are formed. At the same time, liquid slag particles are formed. In the conical output sections to: the canals 1 and 2, the output flow velocities increase. The streamlined body 5, installed in square 2, prevents hydraulic losses inside the channel. The guide plates 6 installed in the channel 2 allow to obtain a spin-on flow of oxygen-containing gas. The twist is determined by the angle of inclination of the plates, which may vary during operation, since the plates are made movable. The degree of swirling of the oxygen-containing gas affects the completeness of the combustion of the coal.

При .газофикации; угл  желательны не только высока  степень сгорани  угл , но и предотвращение образован шлака. При установке направл ющих пластин под углом 20° к продольной оси на участке канала длиной,, равI ной 0,01-0,4 его диаметра, степень сгорани  угл  составл ет 98% с образованием 2% плавающего шлака. Если угол наклона пластин составл ет 70 при размерах участка канала lO,01 и егодиаметра, то степень сгорани  угл  составит 99% и 99,7% соответственно. При этом плавающий шлак не образуетс .At. Gasification; coal is desirable not only a high degree of combustion of coal, but also the prevention of slag formation. When installing the guide plates at an angle of 20 ° to the longitudinal axis on a section of the channel of a length equal to 0.01-0.4 of its diameter, the degree of coal combustion is 98% with the formation of 2% floating slag. If the angle of inclination of the plates is 70 with the dimensions of the channel section lO, 01 and the diameter, then the degree of combustion of coal will be 99% and 99.7%, respectively. In this case, no floating slag is formed.

.Если же угол наклона,составл ет 10° при размерах участка канала 0,01 и 0,4, то степень сгорани  угл  составл ет 90% (с образованием 20% плавс1ющего шлака) и 92,5% (с образованием 16% плавающего шлака, если угол наклона составл ет 80 ,при размерах 0,01 и 0,4 его диаметра , то степень ,сгорани  угл  соетавл ет 98,5% (с образованием 1% плавающего шлака | и 99,3% (без образовани  плавающего шлака / соответственно , если угол наклона 20 при размерах 0,005 и 0,5, то степень сгорани  .угл  составл ет 93,2% (с образованием 12% плавающего шлака ) и 99% (без образовани  плавгиощего шлака) соответственно, а при выполнении угла наклона, равного 70°, при размерах 0,005 и 0,5 ств397 пень сгорани  угл  Составл ет 93,6% (с образованием 10% плавающего шлака и 99,6% (без образовани  плавайзщего шлака J, соответственно. Таким образом, дл  обеспечени  наибольшей полноты сгорани  угл  и предотвращени  образовани  шлака направл ющие пластины необходимо устанавливать под углом 20-70 ° к продольной оси на участке кангша длиной 0,01f-0,4 его диаметра.If the angle of inclination is 10 ° with a channel section size of 0.01 and 0.4, the degree of coal combustion is 90% (with formation of 20% floating slag) and 92.5% (with formation of 16% floating slag if the slope angle is 80, with dimensions of 0.01 and 0.4 of its diameter, then the degree of coal combustion is 98.5% (with the formation of 1% floating slag | and 99.3% (without formation of floating slag / respectively, if the angle of inclination is 20 with dimensions of 0.005 and 0.5, the degree of combustion of the angle is 93.2% (with formation of 12% floating slag) and 99% (without formation of a floating slag) Respectively, and with a tilt angle of 70 °, with dimensions of 0.005 and 0.5 trum397, the coal stump is 93.6% (with formation of 10% floating slag and 99.6% (without formation of floating slag J, respectively. Thus, to ensure the most complete combustion of the coal and prevent slag formation, the guide plates must be installed at an angle of 20-70 ° to the longitudinal axis in the section of the kangsh length 0.01f-0.4 of its diameter.

Claims (2)

; 1. ГОРЕЛКА ДЛЯ ГАЗИФИКАЦИИ УГЛЯ, содержащая соосные каналы с комическими выходными участками, , один из которых выполнен водоохлаждаемым, при этом один канал предназначен для подачи водной суспензии угля, а другой - кислородсодержащего газа, причем последний снабжен наклонными относительно его образующей направляющими пластинами и обтекаемом телом, о т л и ч а ю щ а я с я тем, что, с целью повышения полноты сгорания угля, направляющие пластины установлены под углом 20-70° к продольной оси, а длина участка канала, на котором размещены направляющие пластины, равна 0,01-0,4 его диаметра.; 1. A BURNER FOR COAL GASIFICATION, containing coaxial channels with comic outlet sections, one of which is made water-cooled, while one channel is designed to supply an aqueous suspension of coal and the other an oxygen-containing gas, the latter being provided with guide plates inclined with respect to its forming and streamlined In order to increase the completeness of combustion of coal, the guide plates are installed at an angle of 20-70 ° to the longitudinal axis, and the length of the channel section on which the guides are placed ies of the plate is equal to 0.01-0.4 of its diameter. 2. Горелка по η. 1, отличающаяся тем, что направляющиё пластины выполнены подвижными.2. Burner according to η. 1, characterized in that the guide plate is made movable.
SU792846543A 1978-11-30 1979-11-28 Burner for gasification of coal SU1047397A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782851704 DE2851704A1 (en) 1978-11-30 1978-11-30 REACTOR FOR COAL GASIFICATION PROCESS

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SU1047397A3 true SU1047397A3 (en) 1983-10-07

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Country Status (9)

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EP (1) EP0011904B1 (en)
JP (1) JPS5811473B2 (en)
AU (1) AU537219B2 (en)
BR (1) BR7907722A (en)
CA (1) CA1156836A (en)
DE (2) DE2851704A1 (en)
PL (1) PL123870B1 (en)
SU (1) SU1047397A3 (en)
ZA (1) ZA796529B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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RU2520440C2 (en) * 2008-04-30 2014-06-27 Дженерал Электрик Компани Methods and device for raw material mixing in reactor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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PL219991A1 (en) 1980-08-11
DE2851704A1 (en) 1980-06-12
EP0011904B1 (en) 1982-01-27
EP0011904A1 (en) 1980-06-11
BR7907722A (en) 1980-09-23
AU5333479A (en) 1980-06-26
PL123870B1 (en) 1982-12-31
ZA796529B (en) 1981-08-26
AU537219B2 (en) 1984-06-14
CA1156836A (en) 1983-11-15
JPS55112294A (en) 1980-08-29
DE2962001D1 (en) 1982-03-11
JPS5811473B2 (en) 1983-03-03

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