JPS59204686A - Coal gasification furnace - Google Patents
Coal gasification furnaceInfo
- Publication number
- JPS59204686A JPS59204686A JP8017083A JP8017083A JPS59204686A JP S59204686 A JPS59204686 A JP S59204686A JP 8017083 A JP8017083 A JP 8017083A JP 8017083 A JP8017083 A JP 8017083A JP S59204686 A JPS59204686 A JP S59204686A
- Authority
- JP
- Japan
- Prior art keywords
- gasification
- zone
- gasification zone
- coal
- char
- 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.)
- Pending
Links
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は加圧石炭ガス化炉に係り、石炭のガス化効率の
向上を可能とする２段カス化炉の改良に関している。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a pressurized coal gasification furnace, and more particularly, to an improvement of a two-stage cassification furnace that makes it possible to improve coal gasification efficiency.
第１図は従来の石炭ガス化装置の概略を示し、ガス化炉
１に原料炭２、酸素６を供給し、原料炭を炉１内でガス
化する。灰分は流動性を持つ溶融スラグとしてウオター
ポノト４に落下して水７によって急冷されて水砕され、
スラグホッパ５を経て水砕スラグ６として排出される。FIG. 1 schematically shows a conventional coal gasification apparatus. Coking coal 2 and oxygen 6 are supplied to a gasification furnace 1, and the coking coal is gasified within the furnace 1. The ash falls into the water tank 4 as a fluid molten slag, is rapidly cooled by water 7, and is pulverized.
It is discharged as granulated slag 6 through a slag hopper 5.
スラグホッパ５はウオターポノト４内に所定量以上の水
砕スラグが堆積したときにウオターポノト４と連通して
排出を行うロックホッパとする。発生ガス８はサイクロ
ン９で未反応カーボンすなわちチト一を回収し、回収チ
ャー１２はスチーム１３によりノズル１４を経て炉１内
にリサイクルする。チャーを除去されたガスは廃熱回収
装置１０に導かれ、ボイラー伝熱管などの伝熱管１１で
熱回収を行って石炭ガス１５をイ↓）る。The slag hopper 5 is a lock hopper that communicates with the water container 4 and discharges it when a predetermined amount or more of granulated slag is accumulated in the water container 4. The generated gas 8 is used to collect unreacted carbon, that is, particles, by a cyclone 9, and the collected char 12 is recycled into the furnace 1 through a nozzle 14 by steam 13. The gas from which the char has been removed is led to a waste heat recovery device 10, where heat is recovered by a heat transfer tube 11 such as a boiler heat transfer tube, and the coal gas 15 is converted into coal gas 15.
ガス化炉１の具体的構造の一例を第２図に示すが、円筒
形本体の内部に水冷管を有するノンブレンウオールによ
って内筒２０を形成し、水冷管の上下端はへソダ２１を
介して上昇管２２、降水管２３ に連結してボイラシス
テムを形成する。内筒２０の上端にガス出口部２４、下
部にスロート部６５を形成する。内筒２０の下部にスタ
ッドアンドキャスタブル２６を設けて反応ゾーン２７を
形成し、その部分にバーナ２８を取付けて、原料炭２、
酸素６、回収チャー１２を送入する。内筒２０の上部空
間は冷却シー／２９を構成する。An example of the specific structure of the gasification furnace 1 is shown in FIG. 2. The inner cylinder 20 is formed of a non-bladed wall having water-cooled pipes inside the cylindrical body, and the upper and lower ends of the water-cooled pipes are A boiler system is formed by connecting the rising pipe 22 and the downcomer pipe 23. A gas outlet part 24 is formed at the upper end of the inner cylinder 20, and a throat part 65 is formed at the lower part. A stud-and-castable 26 is provided at the bottom of the inner cylinder 20 to form a reaction zone 27, and a burner 28 is attached to the reaction zone 27.
Oxygen 6 and recovered char 12 are introduced. The upper space of the inner cylinder 20 constitutes a cooling seam/29.
ガス化ゾーン２７は灰分が溶融スラグになるだめに十分
な高温、例えば１３００℃〜１５００℃を保持し、ガス
出１コ部２４では約り００℃〜１０００℃程度の比較的
低温になるように冷却ゾーン２９が設けられる。なお第
４．５図に冷却ゾーン２９の区域のメンブレンウォール
ド、スタッドアンドキャスタブルを施して耐火性を増大
し熱伝−導性を低減した区域のメンブレンウオールとの
断面形状を示すが、図において６０は水冷管である。The gasification zone 27 maintains a high enough temperature, for example, 1300°C to 1500°C, for the ash to become molten slag, and the gas outlet 24 maintains a relatively low temperature of about 00°C to 1000°C. A cooling zone 29 is provided. Figure 4.5 shows the cross-sectional shape of the membrane wall in the area of the cooling zone 29 and the membrane wall in the area where studs and castables have been applied to increase fire resistance and reduce thermal conductivity. is a water-cooled pipe.
溶融した高温のスラグは壁を伝わってスロート２５ か
も下方のウオターポノト４内の水７に落１Ｊして急冷さ
れ、水砕され、排出口６２を経てスラグホッパ（第２図
には図示しない）に入る。The molten high-temperature slag passes through the wall through the throat 25 and falls into the water 7 in the water tank 4 below, where it is rapidly cooled, pulverized, and enters the slag hopper (not shown in Figure 2) through the discharge port 62. .
第６図は２段ガス化炉の例を示し、炉４０は本体４１内
に上段ガス化シー７４２と下段ガス化シー７４３とを有
し、仕切り４４が２つのゾーンを区画している。原料炭
２、酸素６は上段ガス化シー７４２ に供給され、原料
炭はガス化される。サイクロン９で回収されたチャー１
２はスチーム１６の気流によって搬送されてチャーバー
ナ４５によって下段ガス化ゾーン４６へ供給される。チ
ャーバ−ナ４５から同時に酸素６が供給される。FIG. 6 shows an example of a two-stage gasification furnace, in which the furnace 40 has an upper gasification seam 742 and a lower gasification seam 743 within the main body 41, and a partition 44 separates two zones. Raw coal 2 and oxygen 6 are supplied to the upper stage gasification sea 742, and the raw coal is gasified. Char 1 recovered from Cyclone 9
2 is transported by the airflow of the steam 16 and supplied to the lower gasification zone 46 by the char burner 45. Oxygen 6 is simultaneously supplied from the combustion burner 45.
第６図に示す２段ガス化炉は第１図、第２図に２示すガ
ス化炉と対比して、ガス化ゾーンを上下２段とした点で
相違しており、チャーのガス化を改善する。The two-stage gasifier shown in Figure 6 differs from the gasifiers shown in Figures 1 and 2 in that it has two gasification zones, upper and lower. Improve.
本発明は２段ガス化炉の改良に関しておシ、その目的は
特にガス化しにくいチャー〇ガス化を改善するもので、
チャーをガス化炉内に十分な時間だけ滞留ぜしめろよう
にしたガス化炉を提供することにある。The present invention relates to the improvement of a two-stage gasifier, and its purpose is to improve the gasification of char, which is particularly difficult to gasify.
An object of the present invention is to provide a gasifier that allows char to remain in the gasifier for a sufficient period of time.
本発明によれば竪形２段石炭ガス化炉において、下段の
第２カス化ゾーンに回収チャー〇吹込みノスヒレを設け
、該ノズルを第２ガス化ゾーンの上部に設け、該ガス化
炉内径に対して２／３〜ろ／４の直径の仮想円に対して
接線方向に、且つ１５°〜３０’の斜め下方にノズルを
指向せしめて、炉内部に旋回流を生せしめる如くした石
炭ガス化炉が提供される。According to the present invention, in a vertical two-stage coal gasifier, a recovery char injection nozzle is provided in the second cassification zone in the lower stage, the nozzle is provided in the upper part of the second gasification zone, and the inner diameter of the gasification furnace is The nozzle is directed tangentially to an imaginary circle with a diameter of 2/3 to 1/4 and diagonally downward at an angle of 15° to 30' to produce a swirling flow inside the furnace. A chemical furnace is provided.
本発明によれば比較的にガス化しにくいチャーが炉内に
十分な滞留時間に亘って保持されて効率よくガス化され
、溶融スラグは効果的にウォターボノトに落下し、その
結果、スラグミストの飛散が防止され、伝熱管へのスラ
グの付着も防止される。１段ガス化炉の場合には溶融ス
ラグの一部がガスに担持されて飛散し、伝熱管およびト
ランスファタリトの内壁に堆積する欠点がある力・、こ
れ゛らの欠点も本発明により除去される。According to the present invention, char, which is relatively difficult to gasify, is retained in the furnace for a sufficient residence time and is efficiently gasified, and the molten slag effectively falls into the water tank, resulting in the scattering of slag mist. This also prevents slag from adhering to the heat exchanger tubes. In the case of a one-stage gasifier, a part of the molten slag is carried by the gas, scatters, and accumulates on the inner walls of the heat exchanger tubes and transfer plates.These drawbacks are also eliminated by the present invention. Ru.
第６図に本発明に係るガス化炉の一具体例を示す。ガス
化炉５０は鋼製円筒形耐圧容器瀉して構成される本体５
１内に、複数の水冷管６０を第４図に示す如く有するメ
ンブレンウオール６１ によって形成される上段の第１
のガス化シー７４２が形成される。蒸発管６０の上下端
はヘッダ２１にそれぞれ連結され、ヘッダ２１はそれぞ
れ上昇管２２、下降管２６に連結されてボイラシステム
を形成する。メンブレンウオール６１の下部は、第５図
に示す如く、スタッドアンドキャスタブル２６によって
耐火性が高められている。原料炭２および酸素６を第１
のガス化シー７４２内に導くノズル２８が設けられる。FIG. 6 shows a specific example of a gasifier according to the present invention. The gasification furnace 50 has a main body 5 made of a steel cylindrical pressure-resistant container.
1, the upper first stage is formed by a membrane wall 61 having a plurality of water cooling pipes 60 as shown in FIG.
A gasification sea 742 is formed. The upper and lower ends of the evaporator tube 60 are connected to a header 21, and the header 21 is connected to an ascending tube 22 and a descending tube 26, respectively, to form a boiler system. As shown in FIG. 5, the fire resistance of the lower part of the membrane wall 61 is increased by studs and castables 26. Coking coal 2 and oxygen 6 are added to the first
A nozzle 28 is provided that leads into the gasification sea 742 of the gasifier.
ノンブレンウオール６１によって囲まれる小径のスロー
ト部２５の下方に下段の第２ガス化シー７４６が形成さ
れる。ガス化ゾーン４６は防火壁４７ によって断熱、
保温されている。しかし、太型の炉の場合にはこの部分
の放熱量はさほど大きなロスとならないから、第１ガス
化ゾーンの下方部分と同様１／Ｃスタツドアンドキヤス
タブルを被覆したメンブレンウオールで取囲んでもよい
。第２ガス化シー７４６の下端のスロート部６５がら溶
融スラグはウォターボノト４に落下して水砕される。A lower second gasification sea 746 is formed below the small-diameter throat portion 25 surrounded by the non-blank wall 61 . The gasification zone 46 is insulated by a firewall 47;
It is kept warm. However, in the case of a large furnace, the amount of heat dissipated in this part does not cause a large loss, so it may be surrounded by a membrane wall covered with a 1/C stud and caster, similar to the lower part of the first gasification zone. . The molten slag from the throat portion 65 at the lower end of the second gasification seam 746 falls into the water bottle 4 and is crushed.
水砕スラグの抽出は公知の方式で行う。なおメンブどノ
ウオール６１によって限定される内筒２ｏと本体５１と
の間の空間４６は通常、Ｎ２ガスが封入される。The granulated slag is extracted by a known method. Note that the space 46 between the inner cylinder 2o and the main body 51, which is defined by the membrane wall 61, is normally filled with N2 gas.
回収チャーは第２ガス化ゾーン４３の比較的上部に設け
たチャーバーナ４５がら斜下方に角度θの方向に噴射さ
れる。その方向は平面図で第８図に示す如く第２ガス化
ゾーン４３の内径りよりもいくらか小さい同心円ｄの接
線方向として、旋回流が生ずる如くする。チャーバーナ
４５がら同時に酸素が噴射せしめられ、チャーは旋回流
の過程で燃焼する。旋回流はガス化ゾーン４６の軸線方
向下方に向ってらせん流となり、溶融スラグは遠心力に
よって周壁に押しつけられ、燃焼ガスは旋回流の内部す
なわち軸心部を上昇してスーロート部２５を経て第１ガ
ス化ゾーン４２に入る。このガスはかなり高温であるか
ら第１ガス化ゾーン内での燃焼に犬きく寄与し、原料炭
のガス化を比較的酸素の少い状態で行うことを可能とす
る。１段ガス化方式では原料炭灰分を溶融スラグとする
必要があるためガス化ゾーンの温度を高める必要かある
が、２段ガス化炉の場合は上段のカス化ゾーンで溶融ス
ラグとする必要がないから石炭の溶融点以下の低い反応
温度とし下段のガス化ゾーンを高温として溶融スラグな
形成させるようにすることができる。しかし、このよう
にすると未反応チャーが多量にガス出口部２４を通って
流れるが、これはサイクロン９の能力を向上されること
で対処することができる。１段ガス化方式の場合には溶
融。The recovered char is injected obliquely downward from the char burner 45 provided at a relatively upper portion of the second gasification zone 43 in the direction of the angle θ. The direction is tangential to a concentric circle d, which is somewhat smaller than the inner diameter of the second gasification zone 43, as shown in FIG. 8 in a plan view, so that a swirling flow is generated. Oxygen is simultaneously injected from the char burner 45, and the char is burned in the process of swirling flow. The swirling flow becomes a spiral flow downward in the axial direction of the gasification zone 46, the molten slag is pressed against the peripheral wall by centrifugal force, and the combustion gas rises inside the swirling flow, that is, in the axial center, and passes through the throat section 25 and becomes a spiral flow. 1 gasification zone 42. Since this gas has a fairly high temperature, it greatly contributes to the combustion in the first gasification zone, making it possible to gasify the coking coal in a relatively oxygen-poor state. In the one-stage gasification method, it is necessary to turn the raw coal ash into molten slag, so it is necessary to raise the temperature in the gasification zone, but in the case of a two-stage gasifier, it is necessary to turn it into molten slag in the upper casing zone. Therefore, the reaction temperature can be set low, below the melting point of coal, and the lower gasification zone can be set at a high temperature to form molten slag. However, in this case, a large amount of unreacted char flows through the gas outlet section 24, but this can be countered by improving the capacity of the cyclone 9. Melting in the case of one-stage gasification method.
スラグがミストとしてガス出口部を通って上方に流れて
管の内壁に付着して効率が低下するという大きい欠点が
ある。A major drawback is that the slag flows upward through the gas outlet as a mist and adheres to the inner wall of the tube, reducing efficiency.
第２ガス化シー７４６内の流れが本発明によって改善さ
れる。第７図は斜視図としてガスの流れを示している。Flow within the second gasification sea 746 is improved by the present invention. FIG. 7 shows the gas flow as a perspective view.
チャーバーナ４５がらの噴射角度θは１５°〜３０°の
範囲が効果的であシ、ガス流がガス化シー７４５内で少
くとも６回の旋回を行うようにシー７４３の軸方向長さ
と角度θとを定める。なお、角度θを小とすると相互の
旋回流が互に干渉し、角度θが過大であるとガス化ゾー
ンの軸方向長さが過大となる。第８図に示すように旋回
、流が内壁からいくらが離れた内方に生ずるようにした
ので溶融スラグは遠心力にょってガス流から離れて内壁
に押しつけられて捕捉され、飛散が防止抑制される。な
お、旋回流の内側は上昇流のだめの空間となる。第８図
における仮想円の直径ｄは内径■）の２／ろ〜３／４の
範囲′とすることが車重しい。The injection angle θ of the char burner 45 is effectively in the range of 15° to 30°, and the axial length and angle of the seam 743 are adjusted so that the gas flow makes at least six turns within the gasification seam 745. θ is determined. Note that if the angle θ is small, the mutual swirling flows will interfere with each other, and if the angle θ is too large, the axial length of the gasification zone will become excessive. As shown in Figure 8, since the swirling flow is generated inward at some distance from the inner wall, the molten slag is separated from the gas flow due to centrifugal force, is pressed against the inner wall, and is captured, preventing scattering. be done. Note that the inside of the swirling flow becomes a space for the upward flow to accumulate. The diameter d of the imaginary circle in FIG. 8 should be in the range of 2/2 to 3/4 of the inner diameter (2), since this makes the vehicle heavy.
本発明は、２段の石炭ガス化炉において下段の第２ガス
化ゾーンの上部に回収チャーの吹込みノズルを、該ゾー
ンの内径に対して２／３〜ろ／４の直径の仮想円に対し
て接線方向に且つ１５°〜３００の斜め下方に指向せし
めて旋回流を生せしめるようにしだから、該ゾーンにお
ける反応滞留時間を十分に取ることができ、ガス化効率
が向上され、溶融スラグの飛散も効果的に防止される。The present invention provides a two-stage coal gasification furnace in which a recovered char injection nozzle is installed in the upper part of the lower second gasification zone in a virtual circle having a diameter of 2/3 to 1/4 of the inner diameter of the zone. Since the swirling flow is directed tangentially and diagonally downward at an angle of 15° to 300°, sufficient reaction residence time can be secured in the zone, gasification efficiency is improved, and molten slag Splashing is also effectively prevented.
第１図は従来の１段式石炭ガス化装置の概略説明図、第
２図は第１図における石炭ガス化炉の概略構造を示す断
面図、第６図は従来の２段式石炭ガス化炉を示す概略図
、第４図はメンブレンウオールの部分断面図、第５図は
スタッドアンドキャスタブルを施しだメンブレンウオー
ルの部分断面図、第６図は本発明による石炭ガス化炉の
概略断面図、第７図は第２ガス化ゾーン内の旋回流を示
す概略斜視図、第８図はチャーの吹込みノズルの方向を
示す縮小平面図である。
１．４０．５０・・・ガス化炉
２・・・原本１炭 ６゛°゛酸素４２・・・
第１ガス化シー７４６・・・第２ガス化ゾーン９・・・
サイクロン １２・・・回収チャー４５・・・回
収チャー吹込みノズル
Ｄ・・・第２ガス化ゾーンの内径
ｄ・・仮想円の直径
６１゛ メツブレ／ウオール
代理人弁理士 中利純之助
１Ｐ１ 図
只
十３図
３図 ′″４−４陶
十６図
十７図Figure 1 is a schematic explanatory diagram of a conventional one-stage coal gasifier, Figure 2 is a sectional view showing the schematic structure of the coal gasifier in Figure 1, and Figure 6 is a conventional two-stage coal gasifier. 4 is a partial sectional view of a membrane wall; FIG. 5 is a partial sectional view of a membrane wall with studs and castables; FIG. 6 is a schematic sectional view of a coal gasification furnace according to the present invention; FIG. 7 is a schematic perspective view showing the swirling flow in the second gasification zone, and FIG. 8 is a reduced plan view showing the direction of the char blowing nozzle. 1.40.50...Gasifier 2...Original 1 coal 6゛°゛Oxygen 42...
First gasification sea 746...Second gasification zone 9...
Cyclone 12... Recovered char 45... Recovered char blowing nozzle D... Inner diameter of second gasification zone d... Diameter of virtual circle 61゛ Metsubure/Wall Patent Attorney Junnosuke Nakatoshi 1P1 Figure only 10 Figure 3 Figure 3 '''4-4 Figure 16 Figure 17
Claims (3)
ーンとし、下段の第２ガス化ゾーンを回収チャーのガス
化ゾーンとした、加圧竪形円筒噴流層式２段石炭ガス化
炉において、第２ガス化ゾーンの回収チャーの吹込みノ
ズルを該ゾーンの上部に設け、該ゾーンの内径に対して
２／口〜３／４の直径の仮想円に対して接線方向に且つ
１５°〜６０°の斜め下方に指向ぜしめて旋回流を生せ
しめることを特徴とずろ１￥ｊ記石炭ガス化炉。(1) Pressurized vertical cylindrical spouted bed two-stage coal gasifier, in which the first gasification zone in the upper stage is used as a gasification zone for coking coal, and the second gasification zone in the lower stage is used as a gasification zone for recovered char. , a recovery char blowing nozzle of the second gasification zone is provided in the upper part of the zone, and is tangential to an imaginary circle having a diameter of 2/2 to 3/4 with respect to the inner diameter of the zone and at an angle of 15°. A coal gasifier characterized by producing a swirling flow by directing the flow diagonally downward at an angle of ~60°.
高さを第２ガス化ゾーンが有することを特徴とする特許
請求の範囲第１項記載の石炭ガス化炉。(2) The coal gasifier according to claim 1, wherein the second gasification zone has a height sufficient for the swirling flow to make at least six revolutions.
料炭の溶融点以下の比較的低温で、第２ガス化ゾーンの
ガス化温度が溶融点以上の比較的高温である、特許請求
の範囲第１項記載の石炭ガス化炉。(3) A patent claim in which the gasification temperature of the coking coal in the first gasification zone is a relatively low temperature below the melting point of the coking coal, and the gasification temperature in the second gasification zone is a relatively high temperature above the melting point. The coal gasification furnace according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8017083A JPS59204686A (en) | 1983-05-10 | 1983-05-10 | Coal gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8017083A JPS59204686A (en) | 1983-05-10 | 1983-05-10 | Coal gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59204686A true JPS59204686A (en) | 1984-11-20 |
Family
ID=13710851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8017083A Pending JPS59204686A (en) | 1983-05-10 | 1983-05-10 | Coal gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59204686A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6232185A (en) * | 1985-08-02 | 1987-02-12 | Babcock Hitachi Kk | Coal gasification oven |
| JPS6426353U (en) * | 1987-08-05 | 1989-02-14 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3018174A (en) * | 1958-07-21 | 1962-01-23 | Babcock & Wilcox Co | High pressure pulverized coal gasifier |
| JPS497306A (en) * | 1972-03-23 | 1974-01-23 | ||
| JPS5647489A (en) * | 1979-09-28 | 1981-04-30 | Freiberg Brennstoffinst | Reactor for gas manufacture by partial oxidation |
| JPS5744949B2 (en) * | 1973-07-10 | 1982-09-24 | ||
| JPS57182394A (en) * | 1981-05-06 | 1982-11-10 | Hitachi Ltd | Jet bed gasification furnace |
-
1983
- 1983-05-10 JP JP8017083A patent/JPS59204686A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3018174A (en) * | 1958-07-21 | 1962-01-23 | Babcock & Wilcox Co | High pressure pulverized coal gasifier |
| JPS497306A (en) * | 1972-03-23 | 1974-01-23 | ||
| JPS5744949B2 (en) * | 1973-07-10 | 1982-09-24 | ||
| JPS5647489A (en) * | 1979-09-28 | 1981-04-30 | Freiberg Brennstoffinst | Reactor for gas manufacture by partial oxidation |
| JPS57182394A (en) * | 1981-05-06 | 1982-11-10 | Hitachi Ltd | Jet bed gasification furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6232185A (en) * | 1985-08-02 | 1987-02-12 | Babcock Hitachi Kk | Coal gasification oven |
| JPS6426353U (en) * | 1987-08-05 | 1989-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4684375A (en) | Method for gasifying a material using a circulating fluidized bed | |
| US4936872A (en) | Process for cooling raw gas obtained from partial oxidation of carbon-containing material | |
| US4328008A (en) | Method for the production of cleaned and cooled synthesis gas | |
| US4272255A (en) | Apparatus for gasification of carbonaceous solids | |
| US4328006A (en) | Apparatus for the production of cleaned and cooled synthesis gas | |
| CN104593085B (en) | A kind of granulating slag melts coal gasifier and coal gas preparation technology | |
| CN108342227B (en) | Synthetic gas sensible heat recovery device and recovery method and gasifier | |
| JPS59176391A (en) | Coal gasifying oven | |
| US4157244A (en) | Gas-cooling method and apparatus | |
| JPS629280B2 (en) | ||
| JPH0324195A (en) | Coal gasification reactor | |
| US3951615A (en) | Cylindrical pressure reactor for producing a combustible gas | |
| CN201010630Y (en) | Fluid bed powder coal gasifying reactor | |
| CN105779014B (en) | J-type airflow bed gasification furnace | |
| WO2020006994A1 (en) | Gasifier employing radiant heat exchange technique and gasification method | |
| US2801158A (en) | Method of and apparatus for gasification of pulverized coal | |
| CN206033675U (en) | Low tar gas device of dry distillation of jointly gasifying preparation | |
| US5425791A (en) | Circular slag tap for a gasifier | |
| JPS59204686A (en) | Coal gasification furnace | |
| CN107474882A (en) | A kind of coal gasifying process high temperature coal gas heat recovery and air preheat method | |
| JP3890482B2 (en) | Airflow gasifier | |
| JPS6239193B2 (en) | ||
| CN107118808A (en) | Coal tar Y type air flow bed clean and effective gasification process | |
| CN105925289A (en) | Apparatus for preparing low-tar fuel gas through combining gasification and dry distillation | |
| CN208166938U (en) | Coal tar Y type air flow bed clean and effective gasification installation |