JPH0468527B2 - - Google Patents
Info
- Publication number
- JPH0468527B2 JPH0468527B2 JP58036931A JP3693183A JPH0468527B2 JP H0468527 B2 JPH0468527 B2 JP H0468527B2 JP 58036931 A JP58036931 A JP 58036931A JP 3693183 A JP3693183 A JP 3693183A JP H0468527 B2 JPH0468527 B2 JP H0468527B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- combustion
- heat exchanger
- oxygen
- heat
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 claims description 55
- 239000007789 gas Substances 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 31
- 239000001301 oxygen Substances 0.000 claims description 31
- 229910052760 oxygen Inorganic materials 0.000 claims description 31
- 239000000446 fuel Substances 0.000 claims description 27
- 238000011084 recovery Methods 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 238000007670 refining Methods 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000003949 liquefied natural gas Substances 0.000 description 12
- 238000000746 purification Methods 0.000 description 9
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2221/00—Pretreatment or prehandling
- F23N2221/12—Recycling exhaust gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Description
【発明の詳細な説明】
本発明は、燃焼炉などに酸素燃焼バーナを用い
た型式の燃焼装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a type of combustion apparatus using an oxygen combustion burner in a combustion furnace or the like.
従来、重油や天然ガス等の炭化水素系燃料を用
い、これを助燃剤として酸素を用いて燃焼させる
酸素バーナを用いた型式の燃焼装置が知られてい
る。この種の燃焼装置は、通常の空気燃焼による
燃焼装置に比べて高い燃焼温度が得られ、発生排
ガス量が少ないため熱的エネルギの損失が少な
く、かつNOxの発生を伴わない等の長所を有し
ている。 BACKGROUND ART Conventionally, a type of combustion apparatus using an oxygen burner is known, which uses hydrocarbon fuel such as heavy oil or natural gas and burns it using oxygen as a combustion improver. This type of combustion equipment has the advantages of achieving a higher combustion temperature than ordinary air combustion combustion equipment, generating less exhaust gas, resulting in less loss of thermal energy, and not generating NO x . have.
ところで、近年資源節約や環境保全等の見地か
ら、あらゆる産業分野に亘つて省エネルギー化が
推進されつつある。しかるに、従来の酸素燃焼バ
ーナを用いた燃焼装置においては、燃焼により発
生する排ガスをそのまま大気中に排出しており、
このため排ガスのもつ熱的エネルギは、全く利用
されずに廃棄されていた。斯かる事情から上記の
燃焼装置についてもエネルギー利用の高効率化が
望まれている。 Incidentally, in recent years, energy conservation has been promoted in all industrial fields from the viewpoint of resource conservation and environmental conservation. However, in conventional combustion devices using oxyfuel combustion burners, the exhaust gas generated by combustion is directly discharged into the atmosphere.
For this reason, the thermal energy of the exhaust gas is not utilized at all and is wasted. Under these circumstances, it is desired that the above-mentioned combustion device also utilizes energy with high efficiency.
本発明は、上記事情に鑑みてなされたもので、
エネルギ効率の高い酸素燃焼バーナを用いた燃焼
装置を提供することを目的とする。 The present invention was made in view of the above circumstances, and
An object of the present invention is to provide a combustion device using an oxyfuel combustion burner with high energy efficiency.
この目的を達成するために、本発明は、酸素燃
焼バーナを備えた燃焼装置において、燃焼炉など
で発生する排ガスと前記バーナに供給される液化
ガス状の燃料および酸素のいずれか一方もしくは
両方とを熱的に接触せしめる熱交換器を設けて廃
熱の回収を図ると共に、排ガスを冷却して水分を
凝縮分離し、ついで液化ガス状の燃料および／ま
たは酸素と熱交換して二酸化炭素が固化しない程
度に冷却して残存する不純物を除去して二酸化炭
素（CO2と略す）を回収する高純度CO2回収手段
を設け、また排ガス中の酸素を除去するための酸
素除去装置を備えた酸素除去回路を設けて燃焼装
置を構成したことを特徴とする。 In order to achieve this object, the present invention provides a combustion apparatus equipped with an oxy-combustion burner, in which exhaust gas generated in a combustion furnace or the like, and either or both of a liquefied gas fuel and oxygen supplied to the burner are used. A heat exchanger is installed to bring the gas into thermal contact with the exhaust gas to recover waste heat, and the exhaust gas is cooled to condense and separate moisture, and then heat exchanged with liquefied gaseous fuel and/or oxygen to solidify carbon dioxide. A high-purity CO 2 recovery means is installed to recover carbon dioxide (abbreviated as CO 2 ) by cooling it to a level that does not remove any remaining impurities, and an oxygen removal device is installed to remove oxygen from the exhaust gas. The present invention is characterized in that the combustion device is configured by providing a removal circuit.
以下、本発明を図に示す実施例に基いて詳細に
説明する。 Hereinafter, the present invention will be explained in detail based on embodiments shown in the drawings.
第１図および第２図は本発明の燃焼装置の一例
を示すもので、第１図は該装置の前半部分を、第
２図は同じく後半部分を示すものである。第１図
中、符号１は、酸素燃焼バーナ２を備えた燃焼炉
であつて、前記バーナ２には、燃料供給管３を経
て重油、天然ガス等の炭化水素系燃料が供給され
ると共に、酸素供給管４を経て助燃剤としての酸
素が供給される。 1 and 2 show an example of the combustion apparatus of the present invention, with FIG. 1 showing the first half of the apparatus, and FIG. 2 showing the latter half. In FIG. 1, reference numeral 1 denotes a combustion furnace equipped with an oxyfuel combustion burner 2, to which a hydrocarbon fuel such as heavy oil or natural gas is supplied via a fuel supply pipe 3. Oxygen as a combustion improver is supplied through the oxygen supply pipe 4.
前記各供給管３，４は、それらの中間部に前記
燃焼炉１から引き出された排気管５が連結された
熱交換器６が設けられており、この熱交換器６で
排ガスのもつ廃熱が燃料及び酸素に与えられる。
廃熱を回収して加温された燃料と酸素とは、前記
酸素燃焼バーナ２に導びかれ、燃料が完全燃焼
し、かつ排ガス中に酸素がほとんど残余しない混
合比をもつて混合され、燃焼炉１中で燃焼され
る。なお、前記燃料供給管３には、熱交換器６を
経ずにバーナ２に燃料を供給できるバイパス３ａ
が設けられており、弁７及び８の開閉操作により
燃料供給経路の選択が可能となつている。 Each of the supply pipes 3 and 4 is provided with a heat exchanger 6 connected to the exhaust pipe 5 drawn out from the combustion furnace 1 at an intermediate portion thereof, and this heat exchanger 6 absorbs the waste heat of the exhaust gas. is given to fuel and oxygen.
The fuel and oxygen, which have been heated by recovering waste heat, are led to the oxyfuel combustion burner 2, where they are mixed at a mixing ratio that completely burns the fuel and leaves almost no oxygen in the exhaust gas. It is burned in the furnace 1. Note that the fuel supply pipe 3 has a bypass 3a that allows fuel to be supplied to the burner 2 without passing through the heat exchanger 6.
A fuel supply route can be selected by opening and closing valves 7 and 8.
また、前記バーナ２には、排気管５の前記熱交
換器６の前段で分岐され、中間部に弁１０を備え
た排気返送管１１が連結されており、排ガスの一
部が排気返送管１１を通り、弁１０により流量調
整されたうえでバーナ２に導入されるようになつ
ている。これら排気返送管１１及び弁１０は、バ
ーナ２で調製される混合気中の燃料及び酸素の濃
度を調整して燃焼温度の制御を行なう燃焼温度調
整回路１２を構成している。 Further, an exhaust return pipe 11 is connected to the burner 2, which is branched from the exhaust pipe 5 at a stage before the heat exchanger 6 and has a valve 10 in the middle part. After the flow rate is adjusted by a valve 10, it is introduced into the burner 2. These exhaust gas return pipe 11 and valve 10 constitute a combustion temperature adjustment circuit 12 that controls the combustion temperature by adjusting the concentration of fuel and oxygen in the mixture prepared by the burner 2.
前記バーナ２に導入された燃料と酸素及び必要
に応じて導入された排ガスの一部は、燃焼炉１内
部で略完全燃焼を起こしたのち排気管５に排出さ
れる。ここで発生する排ガスは、炭化水素系の燃
料を酸素を助然剤として完全燃焼せしめたもので
あるため、理想的には成分としてCO2と水とのみ
を含有するものである。この排ガスは、通常前記
熱交換器６に導かれて、その廃熱を燃料及び酸素
（この実施例においては少なくとも酸素）に与え、
冷却される。 The fuel and oxygen introduced into the burner 2 and a part of the exhaust gas introduced as necessary undergo almost complete combustion inside the combustion furnace 1 and then are discharged into the exhaust pipe 5. The exhaust gas generated here is the result of complete combustion of hydrocarbon fuel using oxygen as an auxiliary agent, so ideally it contains only CO 2 and water as components. This exhaust gas is normally led to the heat exchanger 6 to give its waste heat to fuel and oxygen (at least oxygen in this embodiment),
cooled down.
熱交換器６を経た排ガスは、熱交換器６の後段
に連結された冷却器１３に導入され、含有する水
分の凝結が図られ、次いでドレンボトル１４内部
でCO2と水とが分離される。分離された水は、ド
レンボトル１４下部に一旦貯留され、適宜ドレン
排出部１４ａから排出される。また、水分を除去
されたCO2は、ドレンボトル１４上部のCO2取出
部１４ｂから取り出されて回収される。 The exhaust gas that has passed through the heat exchanger 6 is introduced into the cooler 13 connected to the latter stage of the heat exchanger 6, where the moisture contained therein is condensed, and then CO 2 and water are separated inside the drain bottle 14. . The separated water is temporarily stored in the lower part of the drain bottle 14, and is appropriately discharged from the drain discharge part 14a. Further, the CO 2 from which water has been removed is taken out from the CO 2 take-out portion 14b at the top of the drain bottle 14 and recovered.
また、上記の燃焼装置においては、燃焼炉１で
の完全燃焼を図るために、燃焼に対して理想混合
比か、もしくはそれより若干過量の酸素を供給す
るように制御することが望ましく、従つて、排ガ
ス中に酸素ガスがわずかに残余する場合がある。
このため、上記実施例においては、排気管５に並
列的に、酸素除去装置１５を備えた酸素除去回路
５ａが設けられている。 In addition, in the above-mentioned combustion device, in order to achieve complete combustion in the combustion furnace 1, it is desirable to control the combustion so that the ideal mixing ratio or a slightly excess amount of oxygen is supplied. , a small amount of oxygen gas may remain in the exhaust gas.
Therefore, in the above embodiment, an oxygen removal circuit 5a including an oxygen removal device 15 is provided in parallel with the exhaust pipe 5.
なお、第１図に示すように排気管５の熱交換器
６の前段を分岐して、熱交換器６に対して並列的
に廃熱ボイラ１６を連結し、前記熱交換器６によ
る廃熱回収に加えて廃熱ボイラ１６による廃熱回
収を図ることもできる。 In addition, as shown in FIG. 1, the exhaust pipe 5 is branched at the stage before the heat exchanger 6, and a waste heat boiler 16 is connected in parallel to the heat exchanger 6, so that the waste heat from the heat exchanger 6 is In addition to recovery, it is also possible to recover waste heat using the waste heat boiler 16.
第２図は本発明の燃焼装置の後半部分のCO2回
収手段の例を示すもので、第１図に示した前半部
分と組み合せて用いられるもので、かつ燃料とし
て液化天然ガスまたは酸素として液化配素を用い
る場合に好適な例であり、ここでは液化天然ガス
（LNGと記す）を燃料として用いる場合について
説明する。 Fig. 2 shows an example of the CO 2 recovery means in the latter half of the combustion device of the present invention, which is used in combination with the first half shown in Fig. 1, and which uses liquefied natural gas as fuel or liquefied oxygen as oxygen. This is a suitable example when using chlorine, and here, a case where liquefied natural gas (referred to as LNG) is used as the fuel will be explained.
第２図に示すCO2回収手段は、２個の精製用熱
交換器１７，１８を備えてなるものであつて、弁
操作によつていずれか一方の熱交換器１７または
１８を精製用に供すると同時に、他方を再生する
ようになつている。ここで、熱交換器１７を精製
用に用いた状態について説明すると、図において
LNGは、燃料導入部１９に導入され、弁２０を
備えた管路２１を経て熱交換器１７に導入され
る。このとき燃料導入部１９に連なる管路２２の
弁２３は閉止され、熱交換器１８へのLNGの供
給はなされない。 The CO 2 recovery means shown in FIG. 2 is equipped with two heat exchangers 17 and 18 for purification, and either one of the heat exchangers 17 or 18 can be used for purification by operating a valve. At the same time, it is designed to reproduce the other. Here, to explain the state in which the heat exchanger 17 is used for purification, as shown in the figure.
LNG is introduced into the fuel introduction section 19 , and is introduced into the heat exchanger 17 via a pipe 21 equipped with a valve 20 . At this time, the valve 23 of the pipe line 22 connected to the fuel introduction part 19 is closed, and LNG is not supplied to the heat exchanger 18.
また、熱交換器１７には、第１図に示すドレン
ボトル１４から管路２４、弁２５を経てCO2が導
入され、ここでCO2と前記LNGとが熱的に接触
され、CO2が固化しない程度に冷却されてCO2中
に残存する水分やその他の不純物が除去される。 Further, CO 2 is introduced into the heat exchanger 17 from the drain bottle 14 shown in FIG . The CO 2 is cooled to a level that does not solidify, and any remaining moisture and other impurities in the CO 2 are removed.
一方、このとき前記ドレンボトル１４に連なる
管路２６は、その中間部に介装された弁２７が閉
止されており、熱交換器１８にはCO2が供給され
ない。 On the other hand, at this time, a valve 27 interposed in the middle of the pipe line 26 connected to the drain bottle 14 is closed, and CO 2 is not supplied to the heat exchanger 18.
前記熱交換器１７を経たLNGは、熱を与えら
れて気化し、管路２８及び弁２９を経て第１図に
示す燃料供給管３へ送られる。また、熱交換器１
７で冷却され、不純物の除去されたCO2は、ドレ
ンボトル３０へ送られて水分（及び他の凝縮成
分）を分離、除去され、次いで昇温用熱交換器３
１に導かれる。この昇温用熱交換器３１では、
CO2が大気と熱的に接触され、室温程度まで昇温
される。次いで、昇温されたCO2は、精製に供さ
れていない他方の熱交換器１８に導かれ、熱交換
器１８を室温程度まで加温する。これにより熱交
換器１８では、その内部のCO2精製用通路１８ａ
に、精製時に凝固、付着した不純物が融解され、
ドレンボトル３０′へ送られて除去される。 The LNG that has passed through the heat exchanger 17 is given heat and vaporized, and is sent to the fuel supply pipe 3 shown in FIG. 1 via a pipe line 28 and a valve 29. In addition, heat exchanger 1
The CO 2 cooled in step 7 and from which impurities have been removed is sent to a drain bottle 30 where water (and other condensed components) is separated and removed, and then sent to a heating heat exchanger 3
I am guided by 1. In this heating heat exchanger 31,
CO 2 is brought into thermal contact with the atmosphere and heated to about room temperature. Next, the heated CO 2 is guided to the other heat exchanger 18 that is not subjected to purification, and heats the heat exchanger 18 to about room temperature. As a result, in the heat exchanger 18, the CO 2 purification passage 18a inside the heat exchanger 18
In this process, impurities that solidified and adhered during purification are melted,
It is sent to drain bottle 30' and removed.
再生状態にある熱交換器１８を経たCO2は、管
路３２を経て回収される。 The CO 2 that has passed through the heat exchanger 18 in the regenerated state is recovered via line 32 .
上記CO2回収手段においては、上述のように２
個の精製用熱交換器１７，１８をCO2の精製と再
生とに交互に割り振つて、CO2のより高度な精製
と回収を可能とする。 In the above CO 2 recovery means, as mentioned above, 2
The refining heat exchangers 17 and 18 are alternately assigned to the purification and regeneration of CO 2 to enable more advanced purification and recovery of CO 2 .
しかして、上記のように第１図及び第２図に示
す燃焼装置とCO2回収手段とを結合した本発明の
燃焼装置によれば、燃料としてLNGを用いた場
合に、LNGの気化に要する熱量を、精製用熱交
換器１７または１８で排ガス（CO2）から与えて
燃焼時の熱効率の向上を図ることができ、同時に
LNGを低温側流体としてCO2の冷却を図り、よ
り高度なCO2の精製を行なうことができ、従つて
装置全体のエネルギの利用効率が高い。 According to the combustion apparatus of the present invention which combines the combustion apparatus shown in FIGS. 1 and 2 with the CO 2 recovery means as described above, when LNG is used as fuel, the It is possible to provide heat from the exhaust gas (CO 2 ) in the refining heat exchanger 17 or 18 to improve the thermal efficiency during combustion, and at the same time
CO 2 is cooled using LNG as the low-temperature fluid, and CO 2 can be purified to a higher degree. Therefore, the energy usage efficiency of the entire device is high.
なお、上記実施例においては、CO2回収手段
を、LNGを用いる場合に適用した例について説
明したが、液体酸素を用いる場合にも適用できる
ことは言うまでもない。 In the above embodiment, an example was described in which the CO 2 recovery means was applied to a case where LNG was used, but it goes without saying that the CO 2 recovery means can also be applied to a case where liquid oxygen is used.
以上、詳細に説明したように、本発明による燃
焼装置は、酸素燃焼バーナへ供給される液化ガス
状の燃料及び酸素のうちのいずれか一方もしくは
両方と排ガスとを熱的に接触せしめる熱交換器を
設けて、排ガスのもつ廃熱を回収するようにした
から、熱効率の向上を図ることができ、また、前
記排ガスからの熱回収を兼ねて排ガスを冷却して
水分を除去するCO2回収手段を設けたから、燃焼
生成物中のCO2を回収して、これを他の利用に供
することができ、装置の経済性が向上する。加え
て、燃料として液化天然ガスを、または酸素とし
て液体酸素を用いるため、液化天然ガスまたは液
体酸素と回収CO2とを熱的に接触せしめる精製用
の熱交換器を設け、前記液化天然ガスまたは液体
酸素を寒剤としてCO2を冷却し、CO2の高純度化
を図ることができると共に、液化天然ガスまたは
液体酸素に熱を与えて熱効率の向上を図ることが
できる等、装置全体のエネルギ効率が高く、また
CO2回収による物質的な利用効率が高い等の長所
を有する。 As described above in detail, the combustion apparatus according to the present invention includes a heat exchanger that brings exhaust gas into thermal contact with either or both of the liquefied gaseous fuel and oxygen supplied to the oxyfuel combustion burner. Since a CO 2 recovery means is provided to recover the waste heat of the exhaust gas, it is possible to improve the thermal efficiency, and also to cool the exhaust gas and remove moisture, which also serves to recover heat from the exhaust gas. With this provision, the CO 2 in the combustion products can be recovered and used for other purposes, improving the economic efficiency of the device. In addition, since liquefied natural gas is used as a fuel or liquid oxygen is used as oxygen, a heat exchanger for purification is provided to bring the liquefied natural gas or liquid oxygen into thermal contact with the recovered CO 2 . It is possible to improve the energy efficiency of the entire device by cooling CO 2 using liquid oxygen as a cryogen, making it possible to improve the purity of CO 2 , and improving thermal efficiency by applying heat to liquefied natural gas or liquid oxygen. is high and
It has advantages such as high material utilization efficiency through CO 2 recovery.
第１図は、本発明による燃焼装置の一実施例を
示す概略構成図、第２図は、第１図に示す装置に
結合して用いられるCO2回収手段の一例を示す概
略構成図である。
１……燃焼炉、２……酸素燃焼バーナ、３……
燃料供給管、４……酸素供給管、５……排気管、
６……熱交換器、１０……弁、１１……排気返送
管、１２……燃焼温度調整回路、１４……ドレン
ボトル、１７，１８……精製用熱交換器。
FIG. 1 is a schematic diagram showing an embodiment of a combustion device according to the present invention, and FIG. 2 is a schematic diagram showing an example of a CO 2 recovery means used in combination with the device shown in FIG. 1. . 1... Combustion furnace, 2... Oxygen combustion burner, 3...
Fuel supply pipe, 4...Oxygen supply pipe, 5...Exhaust pipe,
6...Heat exchanger, 10...Valve, 11...Exhaust gas return pipe, 12...Combustion temperature adjustment circuit, 14...Drain bottle, 17, 18...Refining heat exchanger.
Claims (1)
化水素系燃料と酸素とを導いて燃焼せしめる酸素
燃焼バーナを用いた燃焼装置において、前記燃料
および酸素のうちの一方もしくは両方が液化ガス
であり、該燃料および酸素のうちの一方もしくは
両方と前記燃焼炉で発生する排ガスとを熱交換し
てその廃熱を与える熱交換器を設けるとともに、
これにより該排ガスを冷却して凝縮した水分を分
離するドレンボトル、次いで前記液化ガスと熱交
換して二酸化炭素が固化しない程度に該排ガスを
冷却して、該排ガス中に残存する不純物を更に除
去する一方の精製用熱交換器と、後記する昇温用
熱交換器で昇温した排ガスと熱交換して前工程で
凝固付着した不純物を溶融させ導出させる他方の
精製用熱交換器よりなる弁操作で切換使用する二
個の熱交換器、該排ガスを大気により昇温する昇
温用熱交換器等により、排ガスを高純度二酸化炭
素として分離回収するための二酸化炭素回収手段
を備えてなることを特徴とする酸素燃焼バーナを
用いた燃焼装置。 ２ 前記燃焼炉排ガス出口に酸素除去装置を備え
た酸素除去回路を設けたことを特徴とする特許請
求の範囲第１項記載の酸素燃焼バーナを用いた燃
焼装置。[Scope of Claims] 1. A combustion device using an oxy-combustion burner in which a hydrocarbon fuel and oxygen are introduced into an oxy-combustion burner installed in a combustion furnace or the like and combusted, in which one or both of the fuel and oxygen are used. is a liquefied gas, and a heat exchanger is provided to exchange heat between one or both of the fuel and oxygen and the exhaust gas generated in the combustion furnace to provide waste heat thereof, and
Thereby, a drain bottle cools the exhaust gas and separates condensed water, and then heat exchanges with the liquefied gas to cool the exhaust gas to an extent that carbon dioxide does not solidify, further removing impurities remaining in the exhaust gas. A valve consisting of one refining heat exchanger to be described later, and the other refining heat exchanger to exchange heat with the exhaust gas heated by the temperature increasing heat exchanger described later to melt and extract impurities that have solidified and adhered in the previous process. Equipped with a carbon dioxide recovery means for separating and recovering the exhaust gas as high-purity carbon dioxide by using two heat exchangers that are switched in operation, a heating heat exchanger that raises the temperature of the exhaust gas with the atmosphere, etc. A combustion device using an oxyfuel combustion burner characterized by: 2. A combustion apparatus using an oxyfuel combustion burner according to claim 1, characterized in that an oxygen removal circuit equipped with an oxygen removal device is provided at the exhaust gas outlet of the combustion furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58036931A JPS59161605A (en) | 1983-03-07 | 1983-03-07 | Combustion device employing oxygen combustion burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58036931A JPS59161605A (en) | 1983-03-07 | 1983-03-07 | Combustion device employing oxygen combustion burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59161605A JPS59161605A (en) | 1984-09-12 |
| JPH0468527B2 true JPH0468527B2 (en) | 1992-11-02 |
Family
ID=12483499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58036931A Granted JPS59161605A (en) | 1983-03-07 | 1983-03-07 | Combustion device employing oxygen combustion burner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59161605A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4724775A (en) * | 1986-08-28 | 1988-02-16 | Air (Anti Pollution Industrial Research) Ltd. | Method and apparatus for controlling the rate of heat release |
| JP5377371B2 (en) * | 2010-03-12 | 2013-12-25 | 株式会社日立製作所 | Oxy-combustion coal-fired power generation system |
| US9869468B2 (en) | 2011-01-31 | 2018-01-16 | Ihi Corporation | Burner device for high-temperature air combustion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524404B2 (en) * | 1972-09-25 | 1977-02-03 | ||
| JPS5741521A (en) * | 1980-08-21 | 1982-03-08 | Daido Steel Co Ltd | Combustion method and combustion apparatus |
| JPS587883A (en) * | 1981-07-07 | 1983-01-17 | Nec Corp | Semiconductor device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5542237Y2 (en) * | 1975-06-24 | 1980-10-03 |
-
1983
- 1983-03-07 JP JP58036931A patent/JPS59161605A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524404B2 (en) * | 1972-09-25 | 1977-02-03 | ||
| JPS5741521A (en) * | 1980-08-21 | 1982-03-08 | Daido Steel Co Ltd | Combustion method and combustion apparatus |
| JPS587883A (en) * | 1981-07-07 | 1983-01-17 | Nec Corp | Semiconductor device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59161605A (en) | 1984-09-12 |
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