JPH026962B2 - - Google Patents
Info
- Publication number
- JPH026962B2 JPH026962B2 JP7607182A JP7607182A JPH026962B2 JP H026962 B2 JPH026962 B2 JP H026962B2 JP 7607182 A JP7607182 A JP 7607182A JP 7607182 A JP7607182 A JP 7607182A JP H026962 B2 JPH026962 B2 JP H026962B2
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- wall
- burner
- combustion
- combustor
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 61
- 239000002893 slag Substances 0.000 claims description 27
- 239000003245 coal Substances 0.000 claims description 22
- 238000010248 power generation Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011819 refractory material Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000010899 nucleation Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 12
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005066 MHD (magnetohydrodynamics) Methods 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010742 number 1 fuel oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J9/00—Preventing premature solidification of molten combustion residues
Description
【発明の詳細な説明】
本発明はMHD発電プラント用燃焼器に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a combustor for an MHD power plant.
MHD（Magneto Hydro Dynamics）発電プラ
ントは、与えられた磁場の中に高温ガスのプラズ
マを高速で通過させることによつて電気を直接と
り出す、いわゆる直接発電と言われる新方式の発
電プラントである。このような発電プラントにお
いて燃料に石炭を用いる石炭だきMHD発電プラ
ントとしてのシステムは色々あげられているが本
発明に係るMHD発電用石炭だき燃焼器としての
具体的な構造例に関する提案は見あたらない。 The MHD (Magneto Hydro Dynamics) power plant is a new type of power plant known as direct power generation, which directly extracts electricity by passing high-temperature gas plasma through a given magnetic field at high speed. Various systems have been proposed for coal-fired MHD power generation plants that use coal as fuel in such power plants, but no proposal has been found regarding a specific structural example of a coal-fired combustor for MHD power generation according to the present invention.
なお石炭だきMHD発電プラントの中には石炭
ガス化燃焼、混炭油燃焼、微粉炭燃焼等の方式が
あげられているが本発明は微粉炭燃焼方式におけ
る燃焼器の構造に関するものである。 Incidentally, coal-fired MHD power generation plants include methods such as coal gasification combustion, mixed coal-oil combustion, and pulverized coal combustion, and the present invention relates to the structure of a combustor in the pulverized coal combustion method.
MHD発電用燃料としては従来石油（灯、軽
油）を主体にして開発が進められてきたが近時省
石油資源の立場から石炭利用のすう勢にあり石炭
だき燃焼器の開発実用化が急務となつている。本
発明はこの点に鑑みなされたもので、効率よく微
粉炭を燃焼させることができる実用的な石炭だき
MHD発電用燃焼器を提供することを目的とし、
その要旨は、燃焼室頂部にシード剤および微粉炭
を噴射するバーナが配置され、燃焼室上半部が水
冷金属壁で構成されるとともに燃焼室下半部が耐
火物で構成され、燃焼室下半部に高温ガス出口が
接続され、燃焼室底部にスラグ排出口が形成され
ていることを特徴とする石炭だきMHD発電用燃
焼器にある。 The fuel for MHD power generation has traditionally been developed mainly using petroleum (lights, diesel oil), but in recent years there has been a trend towards the use of coal from the perspective of saving petroleum resources, and the development and practical application of coal-fired combustors has become an urgent need. ing. The present invention was made in view of this point, and is a practical coal burner that can efficiently burn pulverized coal.
The purpose is to provide a combustor for MHD power generation,
The gist is that a burner that injects seeding agent and pulverized coal is placed at the top of the combustion chamber, the upper half of the combustion chamber is made of water-cooled metal walls, and the lower half of the combustion chamber is made of refractory material. A combustor for coal-fired MHD power generation is characterized in that a high-temperature gas outlet is connected to one half, and a slag discharge port is formed at the bottom of the combustion chamber.
本発明によれば、高温の燃焼室上半部は水冷金
属壁で構成されているので燃焼室壁が保護される
とともに、燃焼室上半部は耐火物で構成されてい
るので、溶融スラグが固化することなく排出口よ
り流出し、燃焼室内に堆積することを防止できる
ものである。 According to the present invention, the upper half of the high-temperature combustion chamber is made of a water-cooled metal wall, which protects the combustion chamber wall, and the upper half of the combustion chamber is made of refractory material, which prevents molten slag. It flows out from the exhaust port without solidifying and can prevent it from accumulating in the combustion chamber.
以下本発明の一実施例を図面に基づいて説明す
る。 An embodiment of the present invention will be described below based on the drawings.
図に示すごとく燃焼室頂部に配置されたバーナ
本体０１は軸中心部にシード供給管０２を挿入
し、バーナ先端部に放射状の微粉炭噴射ノズル０
４を配設して一体構造とし、シード供給路と微粉
炭供給路を形成している。０６はシード噴射ノズ
ルである。燃焼器頭部０９は冷却水通路と補助空
気通路を形成するラツパ状の二重壁構造となつて
おり、補助空気通路の先端内側には燃焼室の軸心
に向つて内側の微粉炭噴射ノズル０４と対向する
形でアシストノズル０５を配設している。アシス
トノズル０５には補助空気管０３を介して補助空
気が送られる。さらに燃焼器頭部０９のノド部に
は高速ガスバーナ０７を３〜４本燃焼室の軸心に
向つて挿入し外側はリング管によつて燃料ガス供
給管０８に接続されている。 As shown in the figure, the burner body 01 placed at the top of the combustion chamber has a seed supply pipe 02 inserted into the center of the shaft, and a radial pulverized coal injection nozzle 0 at the tip of the burner.
4 to form an integral structure, forming a seed supply path and a pulverized coal supply path. 06 is a seed injection nozzle. The combustor head 09 has a double-walled structure that forms a cooling water passage and an auxiliary air passage. Inside the tip of the auxiliary air passage, there is a pulverized coal injection nozzle located inside toward the axis of the combustion chamber. An assist nozzle 05 is arranged to face the assist nozzle 04. Auxiliary air is sent to the assist nozzle 05 via an auxiliary air pipe 03. Further, three to four high-speed gas burners 07 are inserted into the throat portion of the combustor head 09 toward the axis of the combustion chamber, and the outside is connected to a fuel gas supply pipe 08 by a ring pipe.
主燃室上部胴は冷却水通路を形成する主燃室内
筒１３と主燃室外筒１２を嵌め合せて構成し、主
燃室の上部には主燃室外筒１２の内壁面に対し切
線方向に加熱空気の旋回噴口１１を３〜４個配設
し、主燃室の内外筒を貫通して加熱空気供給管１
０に接続している。１８は冷却水出入口を示す。 The main combustion chamber upper body is constructed by fitting the main combustion chamber cylinder 13 and the main combustion chamber outer cylinder 12, which form a cooling water passage, into each other. Three to four swirling nozzles 11 for heated air are arranged, and heated air supply pipes 1 pass through the inner and outer cylinders of the main combustion chamber.
Connected to 0. 18 indicates a cooling water inlet/outlet.
主燃室下部胴は水冷壁を形成する二重壁構造の
主燃室下部外筒１４の内壁面に高温耐火物１５で
内筒を構築し三重壁で構成しており、下部にはス
ラグの流下口に溶融スラグを破砕冷却する水ジエ
ツトノズル２０を設けスラグ排出装置に接続して
いる。１６は溶融スラグ、１９は水ジエツトノズ
ル２０に連通するスプレ給水管を示す。 The lower body of the main combustion chamber has a triple-wall structure, with an inner cylinder made of high-temperature refractories 15 built on the inner wall surface of the lower outer cylinder 14 of the main combustion chamber, which has a double-walled structure that forms a water-cooled wall. A water jet nozzle 20 for crushing and cooling the molten slag is provided at the downstream outlet and is connected to a slag discharge device. 16 is a molten slag, and 19 is a spray water supply pipe communicating with a water jet nozzle 20.
なお主燃室下部胴の中間には高温燃焼ガスを送
り出す高温ガス出口１７を設け、図示していない
加速ノズルを介して発電チヤンネルに接続される
ものである。 A high-temperature gas outlet 17 for sending out high-temperature combustion gas is provided in the middle of the lower body of the main combustion chamber, and is connected to a power generation channel via an acceleration nozzle (not shown).
主燃室下部に接続されたスラグ排出装置は、密
閉構造のスラグセパレーター２１、スラグホツパ
ー２２の中にスクリユーコンベアー２３を内設
し、コンベアー駆動機に接続されている。スラグ
セパレーター２１の下部に設けたドレン排出管２
５は図示していないドレン自動排出装置に接続さ
れ、スラグホツパー２２下部のスラグ排出管２６
は図示していないダンパー、ロータリーバルブ等
を介してスラグの自動搬出機構に接続される。一
方スラグホツパー２２およびスラグセパレーター
２１の上部ケーシングには蒸気抽出管２４を接続
している。 The slag discharge device connected to the lower part of the main combustion chamber has a screw conveyor 23 installed inside a slag separator 21 and a slag hopper 22 having a closed structure, and is connected to a conveyor drive machine. Drain discharge pipe 2 installed at the bottom of the slag separator 21
5 is connected to an automatic drain discharge device (not shown), and is connected to a slag discharge pipe 26 at the bottom of the slag hopper 22.
is connected to an automatic slag discharge mechanism via a damper, rotary valve, etc. (not shown). On the other hand, a steam extraction pipe 24 is connected to the upper casings of the slag hopper 22 and the slag separator 21.
MHD発電用燃焼器は周知のごとく化石燃料を
加熱空気または酸素を富化剤として燃焼させると
共にカリウムをシード剤として投入し約3000〓の
イオン化された高温ガスを発電チヤンネルに供給
するものである。 As is well known, the MHD power generation combustor burns fossil fuels using heated air or oxygen as an enrichment agent, and injects potassium as a seeding agent to supply approximately 3,000 ions of ionized high-temperature gas to the power generation channel.
上述のような構成の燃焼器において、バーナ本
体０１へ数100℃に加熱された空気によつて微粉
炭が混合気として定量的に搬送され、バーナ先端
部の微粉炭噴射ノズル０４から数10ｍ／ｓの気流
速度で燃焼器内へ噴射され、外周部のアシストノ
ズル０５から100数10ｍ／ｓで噴射する補助空気
と混合される。燃焼器内へ噴射された微粉炭と空
気の混合気は先端に設けられた高速ガスバーナ０
７の火炎によつて着火される。このガスバーナ火
炎の衝突点に主燃料（微粉炭）火炎の起点着火保
炎域Ａが形成され高速ガスバーナ０７の火炎が保
炎機能を果すものである。一方主燃室上部から供
給される加熱空気（千数100℃）は旋回噴口１１
から200数10ｍ／ｓの気流速度で主燃室内筒１３
壁面に添つて噴出され、燃焼室内に強制渦流を形
成する。この主燃焼空気（加熱空気）は主燃料
（微粉炭）が完全燃焼するに必要な酸素のほぼ当
量が供給され強制渦流によつて微粉炭との混合燃
焼を非常に効果的に行なわせるものである。主燃
焼室内には軸中心に矢印で示す如く主燃焼空気の
強制渦流によつて燃焼火炎の循環流域Ｂが形成さ
れ燃料の燃焼滞留時間を保つ効果を有する。 In the combustor configured as described above, pulverized coal is quantitatively conveyed as a mixture by air heated to several 100 degrees Celsius to the burner body 01, and the pulverized coal is conveyed several tens of meters/minute from the pulverized coal injection nozzle 04 at the tip of the burner. The air is injected into the combustor at an air velocity of 100 m/s and mixed with auxiliary air that is injected from the assist nozzle 05 on the outer periphery at a speed of several 10 m/s. The mixture of pulverized coal and air injected into the combustor is passed through a high-speed gas burner installed at the tip.
It is ignited by the flame of 7. A starting point ignition flame holding area A of the main fuel (pulverized coal) flame is formed at the collision point of the gas burner flame, and the flame of the high speed gas burner 07 performs a flame holding function. On the other hand, the heated air (1000 degrees Celsius) supplied from the upper part of the main combustion chamber is supplied from the swirling nozzle 11.
The main combustion chamber cylinder 13 at an airflow velocity of several tens of m/s from
It is ejected along the wall and forms a forced vortex inside the combustion chamber. This main combustion air (heated air) is supplied with approximately the equivalent amount of oxygen necessary for complete combustion of the main fuel (pulverized coal), and the forced vortex flow allows for very effective mixed combustion with the pulverized coal. be. In the main combustion chamber, as shown by the arrow at the center of the axis, a combustion flame circulation area B is formed by the forced vortex flow of the main combustion air, which has the effect of maintaining the combustion residence time of the fuel.
一方主燃室内筒１３の壁内面には主燃空気の一
部が水冷壁面で冷却され内筒壁面にそつて高速旋
回流の断熱気流層域（Cold wall）Ｃが形成され
火炎面が内筒壁面から遮断される。 On the other hand, on the inner wall of the main combustion chamber cylinder 13, a part of the main combustion air is cooled by the water-cooled wall surface, and an adiabatic air flow layer area (cold wall) C of high-speed swirling flow is formed along the inner cylinder wall surface. It is blocked off from the wall.
主燃室下半部の領域では燃焼が完了し約3000〓
の高温燃焼ガス拡散域Ｄを形成し、この高温燃焼
ガス出口１７から加速ノズル（図示せず）を介し
てほぼ900ｍ／ｓの高速流で発電チヤンネルに供
給される。 Combustion is completed in the lower half of the main combustion chamber and the temperature rises to about 3000〓
A high-temperature combustion gas diffusion region D is formed, and the high-temperature combustion gas is supplied from the high-temperature combustion gas outlet 17 to the power generation channel via an accelerating nozzle (not shown) at a high-speed flow of approximately 900 m/s.
ここで微粉炭燃焼によつて石炭投入量の約30％
の不燃物残渣が生じる。従つて不燃物残渣を燃焼
室内から連続的に排出しなければならない。この
ような残渣アツシユは千数100℃以上の温度にな
ると溶融状態で存在する。そこで燃料がほぼ燃焼
を完了する燃焼室下半部の高温燃焼ガス拡散域
（Hot wall）Ｄにおける燃焼器器壁の表面温度を
千数100℃に保つことにより残渣を溶融スラグの
状態で燃焼室底部の壁面を伝つて流下させ、排出
口に配設した水ジエツトノズル２０から高圧水を
溶融スラグに噴射して溶融スラグを冷却固化させ
ると同時に破砕し、下部のスクリユーコンベア２
３に落してスラグホツパー２２に溜め排出され
る。燃焼室下半部の耐火物１５で構築された内壁
は耐火物が耐え得る千数100℃の温度に保たれる
ように外殻に設けた外筒１４内を流れる冷却水に
よつて冷却されるものである。 Approximately 30% of the coal input is burned here through pulverized coal combustion.
of incombustible residue is produced. Therefore, non-combustible residue must be continuously discharged from the combustion chamber. Such residue debris exists in a molten state when the temperature reaches more than 1000°C. Therefore, by maintaining the surface temperature of the combustor wall at 100-100 degrees Celsius in the hot wall D in the lower half of the combustion chamber where the fuel has almost completely burned, the residue is transferred to the combustion chamber in the form of molten slag. The molten slag is allowed to flow down along the bottom wall surface, and high-pressure water is injected onto the molten slag from a water jet nozzle 20 provided at the discharge port to cool and solidify the molten slag, simultaneously crushing it and sending it to the lower screw conveyor 2.
3 and is collected in the slag hopper 22 and discharged. The inner wall constructed of the refractory material 15 in the lower half of the combustion chamber is cooled by cooling water flowing inside the outer cylinder 14 provided in the outer shell so that the inner wall is maintained at a temperature of 1,000 to 100 degrees Celsius, which the refractory material can withstand. It is something that
なお高圧ガスをイオン化するシード剤はカリウ
ム化合物例えばK2CO3の粉状あるいは水溶液状
でバーナ本体０１の軸心に設けられているシード
供給管０２から酸素気流ジエツトによつて定量的
に吸引、搬送され、燃焼器頭部０９の軸心に開口
したシード噴射ノズル０６から100数10ｍ／ｓの
気流速度で燃焼器の軸心部に噴射され蒸発、気化
して燃焼ガスと完全に混合される。 The seeding agent for ionizing the high-pressure gas is a potassium compound such as K 2 CO 3 in the form of powder or aqueous solution, which is quantitatively sucked through the seed supply pipe 02 provided at the axis of the burner body 01 by means of an oxygen jet. It is transported and injected into the axial center of the combustor from the seed injection nozzle 06 opened at the axial center of the combustor head 09 at an air velocity of several tens of m/s, evaporated and vaporized, and completely mixed with the combustion gas. .
以上のような本発明の一実施例においては次の
ような効果がある。 The embodiment of the present invention as described above has the following effects.
燃焼器頭部のど部から軸心に向つて３〜４個
の高速ガスバーナを配設することによつて主燃
バーナの噴流横断面に一様な火炎のフレームホ
ルダーを形成することができるので安定した燃
焼を保持することができる。またバーナノズル
から高速噴流で燃焼させることができるためバ
ーナ端面への未燃カーボンの付着による器壁の
燃損、噴口閉塞等のトラブルを除くことができ
る。 By arranging 3 to 4 high-speed gas burners from the throat of the combustor head toward the axis, it is possible to form a flame holder with a uniform flame in the jet cross section of the main burner, making it stable. It is possible to maintain a certain amount of combustion. Furthermore, since combustion can be performed from the burner nozzle with a high-speed jet, problems such as burnout of the vessel wall and blockage of the nozzle due to unburned carbon adhering to the end face of the burner can be eliminated.
主燃室胴部を流れ方向に、燃焼混合領域の外
周壁面に低温空気の断熱気流層を形成させる金
属壁の冷却Cold wall Ｃと、下方に耐火物で
構築したHot wall Ｄの二分割にして構成する
ことによつてCold wall Ｃ域では燃焼火炎が
内筒壁面から遮断されるため燃焼器器壁からの
熱損失を半減することができる。Hot wall Ｄ
域では耐火物によつて壁面温度を千数100℃に
保ち燃焼残渣分を燃焼室壁面に分離して溶融状
態で流下することができるため器壁で残渣の冷
却固化による付着堆積を防止することができ
る。 The main combustion chamber body is divided into two in the flow direction: Cold wall C, which is a metal wall that forms an insulating airflow layer of low-temperature air on the outer peripheral wall of the combustion mixing area, and Hot wall D, which is constructed from refractory material below. With this configuration, the combustion flame is blocked from the inner cylinder wall surface in the cold wall C region, so that the heat loss from the combustor wall can be halved. Hot wall D
In the combustion chamber, the wall surface temperature is kept at 100-100 degrees Celsius using refractories, and the combustion residue can be separated on the combustion chamber wall surface and flowed down in a molten state, which prevents the residue from accumulating on the vessel wall due to cooling and solidification. Can be done.
燃焼室下部のスラグ流下口に設けたウオータ
ージエツトノズルによつて溶融スラグを急冷破
砕することによりスラグを連続して自動的に排
出することが容易にできるため燃焼装置が非常
に小形でコンパクトに構成することができる。 The molten slag is rapidly cooled and crushed by the water jet nozzle installed at the slag outlet at the bottom of the combustion chamber, making it easy to continuously and automatically discharge the slag, making the combustion device extremely small and compact. Can be configured.
図面は本発明の一実施例を示す正面断面図であ
る。
０１：バーナ本体、０２：シード供給管、０
３：補助空気管、０４：微粉炭噴射ノズル、０
５：アシストノズル、０６：シード噴射ノズル、
０７：高速ガスバーナ、０８：燃料ガス供給管、
０９：燃焼器頭部、１０：加熱空気供給管、１
１：旋回噴口、１２：主燃室外筒、１３：主燃室
内筒、１４：主燃室下部外筒、１５：耐火物、１
６：溶融スラグ、１７：高温ガス出口、１８：冷
却水出入口、１９：スプレ給水管、２０：水ジエ
ツトノズル、２１：スラグセパレーター、２２：
スラグホツパー、２３：スクリユーコンベア、２
４：蒸気抽出管、２５：ドレン排出管、２６：ス
ラグ排出管、Ａ：バーナ着火保炎域、Ｂ：燃焼循
環流域、Ｃ：断熱気流層域（Cold wall域）、
Ｄ：高温ガス拡散域（Hot wall）。
The drawing is a front sectional view showing an embodiment of the present invention. 01: Burner body, 02: Seed supply pipe, 0
3: Auxiliary air pipe, 04: Pulverized coal injection nozzle, 0
5: Assist nozzle, 06: Seed injection nozzle,
07: High speed gas burner, 08: Fuel gas supply pipe,
09: Combustor head, 10: Heated air supply pipe, 1
1: Swivel nozzle, 12: Main combustion chamber outer cylinder, 13: Main combustion chamber cylinder, 14: Main combustion chamber lower outer cylinder, 15: Refractory, 1
6: Molten slag, 17: High temperature gas outlet, 18: Cooling water inlet/outlet, 19: Spray water supply pipe, 20: Water jet nozzle, 21: Slag separator, 22:
Slag hopper, 23: Screw conveyor, 2
4: steam extraction pipe, 25: drain discharge pipe, 26: slag discharge pipe, A: burner ignition flame holding region, B: combustion circulation region, C: adiabatic air flow region (cold wall region),
D: Hot wall.
Claims (1)
るバーナが配置され、燃焼室頂部に連設した頭部
に高速ガスバーナを軸心に向けて配設し、燃焼室
上半部が水冷金属壁で構成されるとともに燃焼室
下半部が耐火物で構成され、燃焼室下半部に高温
ガス出口が接続され、燃焼室底部にウオータージ
エツトノズルを配設したスラグ排出口が形成され
ていることを特徴とする石炭だきMHD発電用燃
焼器。1 A burner that injects seeding agent and pulverized coal is placed at the top of the combustion chamber, a high-speed gas burner is placed in the head connected to the top of the combustion chamber, facing the axis, and the upper half of the combustion chamber is made of water-cooled metal walls. The lower half of the combustion chamber is made of refractory material, a high temperature gas outlet is connected to the lower half of the combustion chamber, and a slag discharge port with a water jet nozzle is formed at the bottom of the combustion chamber. A combustor for coal-fired MHD power generation featuring the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7607182A JPS58193004A (en) | 1982-05-07 | 1982-05-07 | Combustion apparatus for mhd generation using coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7607182A JPS58193004A (en) | 1982-05-07 | 1982-05-07 | Combustion apparatus for mhd generation using coal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58193004A JPS58193004A (en) | 1983-11-10 |
| JPH026962B2 true JPH026962B2 (en) | 1990-02-14 |
Family
ID=13594555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7607182A Granted JPS58193004A (en) | 1982-05-07 | 1982-05-07 | Combustion apparatus for mhd generation using coal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58193004A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806453B (en) * | 2010-04-26 | 2011-08-10 | 中国科学院广州能源研究所 | Vertical air-cooled pulverized coal burner capable of realizing continuous slag tapping |
| CN102425787B (en) * | 2011-12-02 | 2014-05-07 | 沈阳汇丰生物能源发展有限公司 | Liquid slag trapping biomass combustion device and method |
| CN106288368A (en) * | 2015-06-26 | 2017-01-04 | 刘俊杰 | A kind of design and production method being specifically used to burning producer heating gas hot-water boiler |
| JP6129372B1 (en) * | 2016-02-27 | 2017-05-17 | 三久股ふん有限公司 | Automatic ash discharge device |
-
1982
- 1982-05-07 JP JP7607182A patent/JPS58193004A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58193004A (en) | 1983-11-10 |
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