JP2695766B2 - Pressurized gasifier - Google Patents
Pressurized gasifierInfo
- Publication number
- JP2695766B2 JP2695766B2 JP24185396A JP24185396A JP2695766B2 JP 2695766 B2 JP2695766 B2 JP 2695766B2 JP 24185396 A JP24185396 A JP 24185396A JP 24185396 A JP24185396 A JP 24185396A JP 2695766 B2 JP2695766 B2 JP 2695766B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling wall
- water
- pressure
- pressure vessel
- water cooling
- 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.)
- Expired - Fee Related
Links
Landscapes
- Gasification And Melting Of Waste (AREA)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、加圧型ガス化炉に
関するものである。
【０００２】
【従来の技術】従来の加圧型ガス化炉を図１２により説
明すると、ａが耐圧容器、ｂが同耐圧容器ａの内部に間
隔をおいて設けた水冷壁で、同水冷壁ｂの内部に炉本体
が形成されている。またｃが同炉本体内から上記耐圧容
器ａの上部を貫通して設けたガス出口管、ｄが上記炉本
体内から上記耐圧容器ａの下部を貫通して設けた灰排出
管、ｅが上記水冷壁ｂ及び上記耐圧容器ａの間の空間部
と上記炉本体内とを連通する配管、ｆが同配管ｅに設け
た圧力計、ｇが加圧用精製ガス供給管、ｈが同加圧用精
製ガス供給管ｇに設けた開閉弁、ｉが上記耐圧容器ａ内
上部から耐圧容器ａ外へ延びた配管、ｊが同配管ｉに設
けた安全弁で、微粉炭をノズル（図示せず）から炉本体
内へ搬送用ガスとともに供給して、ガス化し、得られた
可燃性ガスをガス出口管ｃから排出し、そのとき生成さ
れるスラグを灰排出管ｄから排出し、また水冷壁ｂ及び
耐圧容器ａの間の空間部と炉本体内との差圧を圧力計ｆ
により検出し、そのとき得られる検出信号を開閉弁ｈへ
送り、同開閉弁ｈの開度を制御して、加圧用精製ガスを
加圧用精製ガス供給管ｇから耐圧容器ａ内へ供給し、水
冷壁ｂ及び耐圧容器ａの間の空間部と炉本体内とを均圧
化して、水冷壁ｂを保護するようになっている。
【０００３】
【発明が解決しようとする課題】前記図１２に示す加圧
型ガス化炉では、水冷壁ｂ及び耐圧容器ａの間の空間部
と炉本体内との差圧を圧力計ｆにより検出し、そのとき
得られる検出信号を開閉弁ｈへ送り、同開閉弁ｈの開度
を制御して、加圧用精製ガスを加圧用精製ガス供給管ｇ
から耐圧容器ａ内へ供給し、水冷壁ｂ及び耐圧容器ａの
間の空間部と炉本体内とを均圧化して、水冷壁ｂを保護
するようにしており、水冷壁ｂを保護するためのシステ
ムが複雑になるという問題があった。
【０００４】本発明は前記の問題点に鑑み提案するもの
であり、その目的とする処は、耐圧容器及び水冷壁を
簡略化できて、重量を軽減でき、複雑な水冷壁保護シ
ステムを不用にできて、製作コストを低減できる加圧型
ガス化炉を提供しようとする点にある。
【０００５】
【課題を解決するための手段】上記の目的を達成するた
めに、本発明の加圧型ガス化炉は、ガス化炉本体を形成
する水冷壁を耐圧容器の内部に間隔を保持して設置し、
同水冷壁の外周面にバックステーを固定し、不活性ガス
を耐圧容器内へ供給する不活性ガス供給管を耐圧容器に
設け、耐圧容器及び水冷壁の間と水冷壁の内側から耐圧
容器外へ延びたガス出口管の内部とを配管により連通し
たことを特徴としている。
【０００６】また本発明の加圧型ガス化炉は、ガス化炉
本体を形成する水冷壁を耐圧容器の内部に間隔を保持し
て設置し、同水冷壁の外周面にバックステーを固定し、
不活性ガスを耐圧容器内へ供給する不活性ガス供給管を
耐圧容器に設け、耐圧容器及び水冷壁の間と水冷壁の内
側から耐圧容器外へ延びたガス出口管の内部とを配管に
より連通し、前記バックステーを前記耐圧容器に接する
ように設けたことを特徴としている。
【０００７】また本発明の加圧型ガス化炉は、ガス化炉
本体を形成する水冷壁を耐圧容器の内部に間隔を保持し
て設置し、同水冷壁の外周面にバックステーを固定し、
不活性ガスを耐圧容器内へ供給する不活性ガス供給管を
耐圧容器に設け、耐圧容器及び水冷壁の間と水冷壁の内
側から耐圧容器外へ延びたガス出口管の内部とを配管に
より連通し、前記耐圧容器と前記水冷壁との間に保温材
を充填したことを特徴としている。
【０００８】
【発明の実施の形態】
（実施例１）次に本発明の加圧型ガス化炉を図１に示す
一実施例により説明すると、１が耐圧容器、２が水冷壁
で、同水冷壁２が上記耐圧容器１の内部に間隔を保持し
て設置されている。また３が多段のバックステーで、同
各バックステー３が上記水冷壁２の外周面に固定されて
いる。なお上記上記水冷壁２は、図２に示すように多数
の水冷管２ａと同各水冷管２ａをつなぐスキンケーシン
グ２ｂ’とスタッド２ｃと保温材２ｄとにより構成され
るか、図３に示すように多数の水冷管２ａと同各水冷管
２ａをつなぐフイン２ｂとスタッド２ｃと保温材２ｄと
により構成されている。また図１の４が上記各水冷管２
ａの冷却水用入口管寄、５が上記各水冷管２ａの冷却水
用出口管寄、６が同冷却水用出口管寄５から耐圧容器１
外へ延びたガス出口管、７が上記冷却水用出口管寄５か
ら耐圧容器１外へ延びた灰排出管、８が上記水冷壁２内
に形成されたガス化炉本体、９が上記耐圧容器１内下部
に延びたバックアップ及びパージ用不活性ガス供給管、
１０が同不活性ガス供給管９に設けた調整弁、１１が上
記耐圧容器１及び上記水冷壁２の間と上記ガス出口管６
とを連通する配管、１２が同配管１１に設けたフィル
タ、１３が同配管１１に設けた均圧弁、１４が上記耐圧
容器１と上記水冷壁２との間に形成された点検スペース
である。
【０００９】（作用）次に前記図１に示す加圧型ガス化
炉の作用を説明する。微粉炭をノズル（図示せず）から
ガス化炉本体８内へ搬送用ガスとともに供給して、ガス
化し、得られた可燃性ガスをガス出口管６から排出し、
そのとき生成されるスラグを灰排出管７から排出し、冷
却水を冷却水用入口管寄４から各水冷管２ａ内を経て冷
却水用出口管寄５へ導き、さらにドラム（図示せず）か
ら冷却水用入口管寄４へ戻し、循環させて、同各水冷管
２ａを冷却する。このとき、水冷壁２がバックステー３
により補強され、またガス化炉本体８内の高温ガスが同
水冷壁２によりシールされて、耐圧容器１が保護されて
いる。また以上の通常運転時には、ガス出口管６内の圧
力と点検スペース１４の圧力とをフィルタ１２及び均圧
弁１３を有する配管１１を介してバランスさせ、不活性
ガス（蒸気、N2ガス、炉内発生ガス等) を不活性ガス供
給管９からガス化炉本体８内へバックアップ及びパージ
用として供給し、耐圧容器１及び水冷壁２の間とガス化
炉本体８内との差圧を過大にならないようにして、水冷
壁２の変形を防止する。
【００１０】（実施例２）図４は、前記実施例（１）と
同様に構成しているが、次の点が異なっている。即ち、
ガス化炉各部の機能を最大限に発揮させるために、水冷
壁２管の一部を分岐して、水冷式灰ホッパ１８（なお２
７は水) とコンバスタ８ａとデイフューザ８ｂとリダク
タ８ｃとを形成し、リダクタ８ｃの出口に熱交換器１６
を設け、垂直の水冷壁２と分岐した水冷壁２との間に保
温材１７を充填し、コンバスタ８ａに微粉炭と空気（ま
たは酸素富化空気や酸素）と循環チヤーと蒸気等を供給
するノズル２１を設け、デイフューザ８ｂに残りの微粉
炭を供給するノズル２２を設けており、ノズル２１から
供給された微粉炭、空気（または酸素富化空気や酸
素）、循環チヤー、蒸気等と、ノズル２２から供給され
た微粉炭とにより、炉内が高温雰囲気（１３００〜１８
００℃）に維持されて、ガス化が行われ、溶融した灰が
水冷式灰ホッパ１８へ流下し、同水冷式灰ホッパ１８内
の水２７により水砕された後、水砕スラグとして炉外へ
排出され、発生したチヤーが炉外で捕集されて、再びコ
ンバスタ８ａへ投入される。
【００１１】（実施例３）図５、６は、前記実施例
（１）と同様に構成しているが、次の点が異なってい
る。即ち、上記バックステー３の外周面を耐圧容器１の
内周面に接して設け、耐圧容器１と水冷壁２との間の空
間部に保温材２３を充填している。この場合にも、ノズ
ルから供給された微粉炭、空気（または酸素富化空気や
酸素）、循環チヤー、蒸気等により、炉内が高温雰囲気
（１３００〜１８００℃）に維持されて、ガス化が行わ
れ、溶融した灰が灰排出管７から炉外へ排出される。な
お図７は、水冷管２ａとフイン２ｂとにより構成された
水冷壁２の例、図８は、水冷管２ａと偏心フイン２ｂと
スタッド２ｃと保温材２ｄとにより構成された水冷壁２
の例、図９は、水冷管２ａとスキンケーシング２ｂ’と
により構成された水冷壁２の例である。
【００１２】（実施例４）図１０は、前記実施例（１）
と同様に構成しているが、次の点が異なっている。即
ち、上記バックステー３の外周面を耐圧容器１の内周面
に接して設け、耐圧容器１と水冷壁２との間の空間部に
保温材２３を充填し、水冷壁２管の一部を分岐して、水
冷式灰ホッパ１８（なお２７は水) とコンバスタ８ａと
デイフューザ８ｂとリダクタ８ｃとを形成し、リダクタ
８ｃの出口に熱交換器１６を設け、垂直の水冷壁２と分
岐した水冷壁２との間に耐火材１７を充填し、コンバス
タ８ａに微粉炭と空気（または酸素富化空気や酸素）と
循環チヤーと蒸気等を供給するノズル２１を設け、デイ
フューザ８ｂに残りの微粉炭を供給するノズル２２を設
けており、ノズル２１から供給された微粉炭、空気（ま
たは酸素富化空気や酸素）、循環チヤー、蒸気等と、ノ
ズル２２から供給された微粉炭とにより、炉内が高温雰
囲気（１３００〜１８００℃）に維持されて、ガス化が
行われ、溶融した灰が水冷式灰ホッパ１８へ流下し、同
水冷式灰ホッパ１８内の水２７により水砕された後、水
砕スラグとして炉外へ排出され、発生したチヤーが炉外
で捕集されて、再びコンバスタ８ａへ投入される。
【００１３】（実施例５）図１１は、耐圧容器１と水冷
壁２との間を点検スペース１４とし、一部のバックステ
ー３に点検用マンホール３’を設け、水冷壁２との内周
面に保温材２４’を添設し、耐圧容器１と水冷壁２との
間の下方空間部に緊急弁１０’を有するN2ガスまたは蒸
気供給管９’を設け、耐圧容器１と水冷壁２との間の下
方空間部に安全弁２６を有するガスダクト２５を設ける
以外は、前記図１０の実施例と略同様に構成した他の実
施例である。
【００１４】
【発明の効果】本発明は前記のようにガス化炉本体を形
成する水冷壁を耐圧容器の内部に間隔を保持して設置
し、同水冷壁の外周面にバックステーを固定しており、
ガス化炉本体を形成する水冷壁がバックステーにより補
強されるので、耐圧容器及び水冷壁を簡略化できて、重
量を軽減できる。また上記のようにガス化炉本体を形成
する水冷壁がバックステーにより補強されるので、複雑
な水冷壁保護システムが不用で、製作コストを低減でき
る。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressurized gasification furnace. 2. Description of the Related Art A conventional pressurized gasification furnace will be described with reference to FIG. 12. A is a pressure-resistant vessel, b is a water-cooled wall provided inside the pressure-resistant vessel a at intervals, and the water-cooled wall b The furnace body is formed inside. Further, c is a gas outlet pipe provided through the upper part of the pressure vessel a from inside the furnace body, d is an ash discharge pipe provided through the lower part of the pressure vessel a from inside the furnace body, and e is the above A pipe for communicating the space between the water cooling wall b and the pressure vessel a with the inside of the furnace body, f is a pressure gauge provided in the pipe e, g is a purified gas supply pipe for pressurization, and h is a refining gas for pressurization. An open / close valve provided in the gas supply pipe g, i is a pipe extending from the upper part of the pressure vessel a to the outside of the pressure vessel a, j is a safety valve provided in the pipe i, and pulverized coal is supplied from a nozzle (not shown) to a furnace. The gas is supplied into the body together with the carrier gas, gasified, the combustible gas obtained is discharged from the gas outlet pipe c, the slag generated at that time is discharged from the ash discharge pipe d, and the water cooling wall b and the pressure The pressure difference between the space between the vessel a and the inside of the furnace body is measured with a pressure gauge f.
The detection signal obtained at that time is sent to the on-off valve h, the opening degree of the on-off valve h is controlled, and the pressurized purified gas is supplied from the pressurized purified gas supply pipe g into the pressure-resistant container a. The space between the water cooling wall b and the pressure vessel a and the inside of the furnace main body are equalized to protect the water cooling wall b. In the pressurized gasification furnace shown in FIG. 12, the pressure difference between the space between the water cooling wall b and the pressure vessel a and the inside of the furnace body is detected by a pressure gauge f. Then, the detection signal obtained at that time is sent to the on-off valve h, the opening degree of the on-off valve h is controlled, and the pressurized purified gas is supplied to the pressurized purified gas supply pipe g.
To protect the water-cooling wall b by equalizing the space between the water-cooling wall b and the pressure-resistant vessel a and the inside of the furnace body. There was a problem that the system became complicated. The present invention has been made in view of the above problems, and has as its object to simplify the pressure vessel and the water cooling wall, reduce the weight, and eliminate the need for a complicated water cooling wall protection system. An object of the present invention is to provide a pressurized gasifier that can be manufactured and that can reduce manufacturing costs. In order to achieve the above object, a pressurized gasification furnace according to the present invention comprises a water-cooling wall forming a gasification furnace main body and a space inside the pressure-resistant vessel. Installed
A backstay is fixed to the outer peripheral surface of the water-cooling wall, and an inert gas supply pipe for supplying an inert gas into the pressure-resistant container is provided in the pressure-resistant container. The inside of the gas outlet pipe extending to the inside is communicated by a pipe. In the pressurized gasification furnace according to the present invention, a water cooling wall forming the gasification furnace main body is installed inside the pressure vessel with a space therebetween, and a back stay is fixed to an outer peripheral surface of the water cooling wall.
An inert gas supply pipe for supplying an inert gas into the pressure vessel is provided in the pressure vessel, and a pipe communicates between the pressure vessel and the water cooling wall and the inside of the gas outlet pipe extending from the inside of the water cooling wall to the outside of the pressure vessel. The backstay is provided so as to be in contact with the pressure-resistant container. Further, in the pressurized gasification furnace of the present invention, a water cooling wall forming a gasification furnace main body is installed in the pressure vessel at a predetermined interval, and a back stay is fixed to an outer peripheral surface of the water cooling wall.
An inert gas supply pipe for supplying an inert gas into the pressure vessel is provided in the pressure vessel, and a pipe communicates between the pressure vessel and the water cooling wall and the inside of the gas outlet pipe extending from the inside of the water cooling wall to the outside of the pressure vessel. A heat insulating material is filled between the pressure vessel and the water cooling wall. (Embodiment 1) Next, a pressurized gasification furnace according to the present invention will be described with reference to an embodiment shown in FIG. 1. Reference numeral 1 denotes a pressure vessel, 2 denotes a water-cooling wall, and the water-cooling wall. A wall 2 is installed inside the pressure-resistant container 1 with a space therebetween. Reference numeral 3 denotes a multistage backstay, and each of the backstays 3 is fixed to the outer peripheral surface of the water cooling wall 2. The water cooling wall 2 is composed of a number of water cooling tubes 2a, a skin casing 2b 'connecting the water cooling tubes 2a, a stud 2c, and a heat insulating material 2d as shown in FIG. 2, or as shown in FIG. A plurality of water cooling tubes 2a, fins 2b connecting the respective water cooling tubes 2a, studs 2c, and heat insulating materials 2d. In addition, 4 in FIG.
a to the cooling water inlet pipe, 5 to the cooling water outlet pipe of each of the water cooling pipes 2a, 6 to the cooling water outlet pipe 5 to the pressure-resistant container 1
A gas outlet pipe extending outward, 7 is an ash discharge pipe extending from the cooling water outlet pipe 5 to the outside of the pressure vessel 1, 8 is a gasification furnace main body formed in the water cooling wall 2, and 9 is a pressure resistant pipe. A backup and purge inert gas supply pipe extending to a lower portion inside the container 1;
10 is a regulating valve provided in the inert gas supply pipe 9, 11 is a space between the pressure vessel 1 and the water cooling wall 2 and the gas outlet pipe 6.
, 12 is a filter provided in the pipe 11, 13 is a pressure equalizing valve provided in the pipe 11, and 14 is an inspection space formed between the pressure vessel 1 and the water cooling wall 2. (Operation) Next, the operation of the pressurized gasification furnace shown in FIG. 1 will be described. Pulverized coal is supplied from a nozzle (not shown) into the gasification furnace main body 8 together with a carrier gas to gasify the gas, and the resulting combustible gas is discharged from the gas outlet pipe 6.
The slag generated at that time is discharged from the ash discharge pipe 7, and the cooling water is guided from the cooling water inlet pipe 4 to the cooling water outlet pipe 5 through each water cooling pipe 2a, and further a drum (not shown). To the cooling water inlet pipe 4 and circulate to cool the water cooling pipes 2a. At this time, the water cooling wall 2 is
And the high temperature gas in the gasification furnace main body 8 is sealed by the water cooling wall 2 to protect the pressure-resistant vessel 1. In the above normal operation, the pressure in the gas outlet pipe 6 and the pressure in the inspection space 14 are balanced through the pipe 11 having the filter 12 and the equalizing valve 13 so that the inert gas (steam, N 2 gas, (E.g., generated gas) is supplied from the inert gas supply pipe 9 into the gasification furnace main body 8 for backup and purging, and the differential pressure between the pressure-resistant vessel 1 and the water cooling wall 2 and the inside of the gasification furnace main body 8 is excessively increased. This prevents deformation of the water cooling wall 2. (Embodiment 2) FIG. 4 has the same configuration as that of the embodiment (1), but differs in the following point. That is,
In order to maximize the function of each part of the gasification furnace, a part of the two pipes of the water cooling wall is branched to form a water-cooled ash hopper 18 (2.
7 is water), a combustor 8a, a diffuser 8b and a reducer 8c, and a heat exchanger 16 is provided at an outlet of the reducer 8c.
Is provided between the vertical water-cooling wall 2 and the branched water-cooling wall 2, and a pulverized coal, air (or oxygen-enriched air or oxygen), a circulation channel, steam and the like are supplied to the combustor 8a. A nozzle 21 is provided, and a nozzle 22 for supplying the remaining pulverized coal to the diffuser 8b is provided. The pulverized coal supplied from the nozzle 21, air (or oxygen-enriched air or oxygen), a circulation channel, steam, etc. And the high-temperature atmosphere (1300 to 18
(00 ° C.), gasification is performed, and the molten ash flows down to the water-cooled ash hopper 18 and is granulated by the water 27 in the water-cooled ash hopper 18. The generated char is collected outside the furnace, and is again supplied to the combustor 8a. (Embodiment 3) FIGS. 5 and 6 have the same construction as the embodiment (1), except for the following points. That is, the outer peripheral surface of the back stay 3 is provided in contact with the inner peripheral surface of the pressure vessel 1, and the space between the pressure vessel 1 and the water cooling wall 2 is filled with the heat insulating material 23. Also in this case, the furnace is maintained at a high temperature atmosphere (1300 to 1800 ° C.) by pulverized coal, air (or oxygen-enriched air or oxygen), a circulation channel, steam, or the like supplied from the nozzle, and gasification is performed. The molten ash is discharged from the ash discharge pipe 7 to the outside of the furnace. FIG. 7 is an example of a water cooling wall 2 formed by a water cooling tube 2a and a fin 2b, and FIG. 8 is a water cooling wall 2 formed by a water cooling tube 2a, an eccentric fin 2b, a stud 2c, and a heat insulating material 2d.
FIG. 9 shows an example of a water cooling wall 2 constituted by a water cooling pipe 2a and a skin casing 2b '. (Embodiment 4) FIG. 10 shows the embodiment (1).
, But with the following differences. That is, the outer peripheral surface of the back stay 3 is provided in contact with the inner peripheral surface of the pressure vessel 1, the space between the pressure vessel 1 and the water cooling wall 2 is filled with a heat insulating material 23, and a part of the water cooling wall 2 tube is provided. To form a water-cooled ash hopper 18 (note that 27 is water), a combustor 8a, a diffuser 8b, and a reducer 8c. A heat exchanger 16 is provided at the outlet of the reducer 8c, and branched from the vertical water-cooled wall 2. A refractory material 17 is filled between the water cooling wall 2 and a nozzle 21 for supplying pulverized coal, air (or oxygen-enriched air or oxygen), a circulation channel, steam, and the like are provided in the combustor 8a, and the remaining fine powder is provided in the diffuser 8b. A nozzle 22 for supplying charcoal is provided. The pulverized coal supplied from the nozzle 21, air (or oxygen-enriched air or oxygen), a circulation channel, steam, etc., and the pulverized coal supplied from the nozzle 22 are used for furnace. Inside is a high temperature atmosphere (1300 (1800 ° C.), gasification is performed, and the molten ash flows down to the water-cooled ash hopper 18 and is granulated by the water 27 in the water-cooled ash hopper 18. The generated char is collected outside the furnace, and is again supplied to the combustor 8a. (Embodiment 5) FIG. 11 shows an inspection space 14 between the pressure-resistant container 1 and the water cooling wall 2, an inspection manhole 3 ′ provided in some of the back stays 3, and an inner periphery with the water cooling wall 2. 'was additionally provided with an emergency valve 10 in the lower space between the pressure vessel 1 and the water-cooled wall 2' heat insulating material 24 to the surface provided with the N 2 gas or vapor supply pipe 9 'having a pressure vessel 1 and the water wall This embodiment is another embodiment having substantially the same configuration as that of the embodiment of FIG. 10 except that a gas duct 25 having a safety valve 26 is provided in a lower space portion between the two. According to the present invention, as described above, the water cooling wall forming the gasification furnace main body is installed in the pressure vessel at a predetermined interval, and the back stay is fixed to the outer peripheral surface of the water cooling wall. And
Since the water cooling wall forming the gasification furnace main body is reinforced by the back stay, the pressure vessel and the water cooling wall can be simplified, and the weight can be reduced. Further, since the water cooling wall forming the gasification furnace main body is reinforced by the back stay as described above, a complicated water cooling wall protection system is unnecessary, and the manufacturing cost can be reduced.
【図面の簡単な説明】
【図１】本発明の加圧型ガス化炉の一実施例を示す縦断
側面図である。
【図２】水冷壁部分の一実施例を示す横断平面図であ
る。
【図３】水冷壁部分の他の実施例を示す横断平面図であ
る。
【図４】本発明の加圧型ガス化炉の他の実施例を示す縦
断側面図である。
【図５】本発明の加圧型ガス化炉の他の実施例を示す縦
断側面図である。
【図６】図５の矢視Ａ−Ａ線に沿う横断平面図である。
【図７】水冷壁部分の一実施例を示す横断平面図であ
る。
【図８】水冷壁部分の他の実施例を示す横断平面図であ
る。
【図９】水冷壁部分のさらに他の実施例を示す横断平面
図である。
【図１０】本発明の加圧型ガス化炉の他の実施例を示す
縦断側面図である。
【図１１】本発明の加圧型ガス化炉のさらに他の実施例
を示す縦断側面図である。
【図１２】従来の加圧型ガス化炉を示す縦断側面図であ
る。
【符号の説明】
１ 耐圧容器
２ 水冷壁
３ バックステー
６ ガス出口管
９ 不活性ガス供給管
１１ 配管
２３ 保温材BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a vertical sectional side view showing one embodiment of a pressurized gasification furnace of the present invention. FIG. 2 is a cross-sectional plan view showing one embodiment of a water cooling wall portion. FIG. 3 is a cross-sectional plan view showing another embodiment of a water cooling wall portion. FIG. 4 is a vertical sectional side view showing another embodiment of the pressurized gasification furnace of the present invention. FIG. 5 is a vertical sectional side view showing another embodiment of the pressurized gasification furnace of the present invention. FIG. 6 is a cross-sectional plan view taken along line AA of FIG. 5; FIG. 7 is a cross-sectional plan view showing one embodiment of a water cooling wall portion. FIG. 8 is a cross-sectional plan view showing another embodiment of the water cooling wall portion. FIG. 9 is a cross-sectional plan view showing still another embodiment of the water cooling wall portion. FIG. 10 is a vertical sectional side view showing another embodiment of the pressurized gasification furnace of the present invention. FIG. 11 is a vertical sectional side view showing still another embodiment of the pressurized gasification furnace of the present invention. FIG. 12 is a vertical sectional side view showing a conventional pressurized gasification furnace. [Description of Signs] 1 pressure-resistant container 2 water cooling wall 3 back stay 6 gas outlet pipe 9 inert gas supply pipe 11 pipe 23 heat insulating material
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大坪 浩一朗 東京都千代田区丸の内二丁目５番１号 三菱重工業株式会社内 (72)発明者 品田 治 東京都千代田区丸の内二丁目５番１号 三菱重工業株式会社内 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Koichiro Otsubo 2-5-1 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Heavy Industries, Ltd. (72) Inventor Osamu Shinada 2-5-1 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Heavy Industries, Ltd.
Claims (1)
に間隔を保持して設置し、同水冷壁の外周面にバックス
テーを固定し、不活性ガスを耐圧容器内へ供給する不活
性ガス供給管を耐圧容器に設け、耐圧容器及び水冷壁の
間と水冷壁の内側から耐圧容器外へ延びたガス出口管の
内部とを配管により連通したことを特徴とする加圧型ガ
ス化炉。 （２）ガス化炉本体を形成する水冷壁を耐圧容器の内部
に間隔を保持して設置し、同水冷壁の外周面にバックス
テーを固定し、不活性ガスを耐圧容器内へ供給する不活
性ガス供給管を耐圧容器に設け、耐圧容器及び水冷壁の
間と水冷壁の内側から耐圧容器外へ延びたガス出口管の
内部とを配管により連通し、前記バックステーを前記耐
圧容器に接するように設けたことを特徴とする加圧型ガ
ス化炉。 （３）ガス化炉本体を形成する水冷壁を耐圧容器の内部
に間隔を保持して設置し、同水冷壁の外周面にバックス
テーを固定し、不活性ガスを耐圧容器内へ供給する不活
性ガス供給管を耐圧容器に設け、耐圧容器及び水冷壁の
間と水冷壁の内側から耐圧容器外へ延びたガス出口管の
内部とを配管により連通し、前記耐圧容器と前記水冷壁
との間に保温材を充填したことを特徴とする加圧型ガス
化炉。(57) [Claims] (1) A water-cooling wall forming a gasification furnace main body is installed inside the pressure-resistant vessel with a space therebetween, and a back stay is fixed to an outer peripheral surface of the water-cooling wall, and is inerted. An inert gas supply pipe for supplying gas into the pressure vessel is provided in the pressure vessel, and a pipe communicates between the pressure vessel and the water cooling wall and the inside of the gas outlet pipe extending from the inside of the water cooling wall to the outside of the pressure vessel. A pressurized gasifier. (2) A water-cooling wall forming the gasification furnace body is installed inside the pressure-resistant vessel with a space therebetween, and a backstay is fixed to the outer peripheral surface of the water-cooled wall to supply an inert gas into the pressure-resistant vessel. An active gas supply pipe is provided in the pressure vessel, and the space between the pressure vessel and the water cooling wall and the inside of the gas outlet pipe extending from the inside of the water cooling wall to the outside of the pressure vessel are connected by piping, and the back stay is brought into contact with the pressure vessel. Pressurized gasifier characterized by being provided as described above. (3) A water-cooling wall forming a gasification furnace main body is installed inside the pressure-resistant vessel at a certain interval, a backstay is fixed to the outer peripheral surface of the water-cooled wall, and an inert gas is supplied into the pressure-resistant vessel. An active gas supply pipe is provided in the pressure vessel, and a pipe communicates between the pressure vessel and the water cooling wall and a gas outlet pipe extending from the inside of the water cooling wall to the outside of the pressure vessel. A pressurized gasification furnace characterized by being filled with a heat insulating material therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24185396A JP2695766B2 (en) | 1996-09-12 | 1996-09-12 | Pressurized gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24185396A JP2695766B2 (en) | 1996-09-12 | 1996-09-12 | Pressurized gasifier |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60087500A Division JPH0655953B2 (en) | 1985-04-25 | 1985-04-25 | Pressurized gasifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09165584A JPH09165584A (en) | 1997-06-24 |
| JP2695766B2 true JP2695766B2 (en) | 1998-01-14 |
Family
ID=17080490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24185396A Expired - Fee Related JP2695766B2 (en) | 1996-09-12 | 1996-09-12 | Pressurized gasifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2695766B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101370132B1 (en) | 2013-09-02 | 2014-03-25 | 한국가스공사 | Method for inspection of pipe using inspection robot |
| KR101384268B1 (en) | 2013-09-02 | 2014-04-11 | 한국가스공사 | Pipe inspection robot launching and receiving device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103298916B (en) * | 2011-01-14 | 2015-06-03 | 国际壳牌研究有限公司 | Gasification reactor |
| JP5518161B2 (en) * | 2012-10-16 | 2014-06-11 | 三菱重工業株式会社 | Gasifier |
| JP6710618B2 (en) * | 2016-10-12 | 2020-06-17 | 三菱日立パワーシステムズ株式会社 | Furnace wall, gasification furnace equipment, gasification combined cycle power generation equipment, and method of manufacturing furnace wall |
-
1996
- 1996-09-12 JP JP24185396A patent/JP2695766B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101370132B1 (en) | 2013-09-02 | 2014-03-25 | 한국가스공사 | Method for inspection of pipe using inspection robot |
| KR101384268B1 (en) | 2013-09-02 | 2014-04-11 | 한국가스공사 | Pipe inspection robot launching and receiving device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09165584A (en) | 1997-06-24 |
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