JPS6349603A - Heating furnace facility - Google Patents
Heating furnace facilityInfo
- Publication number
- JPS6349603A JPS6349603A JP61193074A JP19307486A JPS6349603A JP S6349603 A JPS6349603 A JP S6349603A JP 61193074 A JP61193074 A JP 61193074A JP 19307486 A JP19307486 A JP 19307486A JP S6349603 A JPS6349603 A JP S6349603A
- Authority
- JP
- Japan
- Prior art keywords
- heating furnace
- flue gas
- exhaust gas
- flue
- heat exchanger
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 239000000446 fuel Substances 0.000 claims abstract description 22
- 239000011280 coal tar Substances 0.000 claims abstract description 18
- 239000000295 fuel oil Substances 0.000 claims abstract description 17
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 16
- 230000023556 desulfurization Effects 0.000 claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 42
- 239000003546 flue gas Substances 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract description 4
- 239000000347 magnesium hydroxide Substances 0.000 abstract description 4
- 229910001862 magnesium hydroxide Inorganic materials 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 239000011269 tar Substances 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Combustion Of Fluid Fuel (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、鋼材を所定温度に加熱する加熱炉設備の改
良に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to improvements in heating furnace equipment for heating steel materials to a predetermined temperature.
従来の技術
製鉄所において、鋼製品を得るために何らかの熱間加工
を施している。鋼材の熱間加工のための加熱炉の燃料は
、今まで、主として製鉄所内で副次的に発生する高炉ガ
ス、コークス炉ガス、転炉ガス等の気体燃料を使用した
り、あるいは、大気汚染を考慮して低硫黄分の重油を使
っていた。ところで近年の燃料費の高松に鑑み、燃料費
を低減するための各種の技術開発が行なわれるに至った
。Prior Art In steel works, some kind of hot working is carried out to obtain steel products. Up until now, gaseous fuels such as blast furnace gas, coke oven gas, and converter gas, which are generated incidentally in steel plants, have been mainly used as fuel for heating furnaces for hot processing of steel materials, or gaseous fuels have been used, such as blast furnace gas, coke oven gas, converter gas, etc. With this in mind, heavy oil with a low sulfur content was used. By the way, in view of the recent rise in fuel costs, various technological developments have been carried out to reduce fuel costs.
その一つとして、特開昭６１−５５５０５号の提案があ
る。この特開昭６１−５５５０５号の技術は、安価なコ
ールタールに、その６〜ｆ２ｗｔ％の割合で水を添加し
、水の添加されたコールタールを撹拌して、粒径が１０
〜２０μｍの粒子からなるコールタールエマルジゴンを
ＦＡ整し、これをバーナより噴霧し燃焼させるコールタ
ールの燃焼方法である。One of them is a proposal in Japanese Patent Application Laid-Open No. 61-55505. The technique disclosed in JP-A No. 61-55505 involves adding water to inexpensive coal tar at a ratio of 6 to 2 wt%, stirring the water-added coal tar, and reducing the particle size to 10
This is a coal tar combustion method in which coal tar emulsion consisting of particles of ~20 μm is subjected to FA treatment, and then sprayed from a burner and combusted.
発明が解決しようとする問題点
前記特開昭６１−５５５０５号の技術は、コールタール
を主成分としているために、低硫黄分の重油に比べて、
その成分中には、Ｎ含有Ｒで８倍、Ｓ含有量で３倍の多
量のＮ、Ｓが含有され、よって下記の問題点がある。す
なわち、
■Ｎ、Ｓ含有量が高い燃料であるために、排煙中のＮＯ
ｘ、 ＳＯｘ含ｆｍが犬で大気汚染をもたらず。Problems to be Solved by the Invention Since the technology of JP-A No. 61-55505 uses coal tar as its main component, it has lower sulfur content compared to heavy oil.
The components contain 8 times as much N and S as the N-containing R and 3 times as much as the S content, resulting in the following problems. In other words, ■Since the fuel has a high N and S content, NO in the flue gas is
x, SOx-containing fm does not cause air pollution in dogs.
■また、コールタールと水の混合燃料であるために、燃
焼雰囲気が酸化性となり、加熱炉の様に鋼材の加熱に際
しては、鋼材の脱炭反応が生じ鋼製品の品質が変わって
しまう。- Also, since the fuel is a mixture of coal tar and water, the combustion atmosphere becomes oxidizing, and when steel is heated in a heating furnace, a decarburization reaction occurs in the steel, which changes the quality of the steel product.
本発明の目的は、前記した従来の問題点を解決するため
になした新しい加熱炉設備の提Ｏｔにある。An object of the present invention is to provide a new heating furnace equipment to solve the above-mentioned conventional problems.
問題点を解決するための手段
本発明は、鋼材を所定Ａ度に加熱する加熱炉設備におい
て、加熱炉への燃料供給系を重油系とコールタール系の
２系統とし、かつ、加熱炉からの排煙を処理する排煙脱
硝装置と排煙脱硝装置とを加熱炉側より順次配設すると
ともに、加熱炉と排煙脱硝装置間に燃焼用空気を昇温さ
せるための排煙とのハ交換器、及び排煙脱硝装置人口の
排Ｐ１ム度を制御する排煙温度側ＯＩＩ装置を備えたこ
とを特徴とするものである。特に燃料供給系を重油系と
コールクール系との２系統にし、鋼材の品質に応じて燃
料の使い分けをし、かつ、燃料の燃焼に必要な燃焼用空
気を排煙の熱と熱交換してＦｌ昌させ、よって燃料費の
低減を図り、さらにまた、ｔｉｌ＝煙処理音処理なもの
にした。Means for Solving the Problems The present invention provides a heating furnace equipment for heating steel materials to a predetermined degree A, in which the fuel supply system to the heating furnace is made up of two systems, a heavy oil system and a coal tar system, and the fuel supply system from the heating furnace is A flue gas denitrification device and a flue gas denitrification device to treat flue gas are installed sequentially from the heating furnace side, and exchange with flue gas to raise the temperature of combustion air between the heating furnace and the flue gas denitrification device. The present invention is characterized in that it is equipped with a flue gas temperature side OII device that controls the exhaust P1 temperature of the flue gas denitrification device population. In particular, the fuel supply system is divided into two systems, a heavy oil system and a coal cool system, and the fuel is used depending on the quality of the steel material, and the combustion air necessary for burning the fuel is exchanged with the heat of exhaust smoke. In order to reduce the fuel cost, the fuel cost was reduced, and furthermore, it was made to have til (smoke processing and sound processing).
実 施 例
以下、図面に基づいて本発明の加熱炉設備を詳細に説明
する。図面は、本発明の概略説明図を示すものである。EXAMPLE Hereinafter, the heating furnace equipment of the present invention will be explained in detail based on the drawings. The drawings show a schematic illustration of the invention.
（１）は、鋼材を所定温度に加熱する加熱炉を示す。(1) shows a heating furnace that heats steel material to a predetermined temperature.
この加熱炉（１）には燃料供給系として重油系■とコー
ルタール系（３）の２系統が、それぞれ加熱炉（１）に
設けられている多数のバーナに支管を介して接続されて
いる。This heating furnace (1) has two fuel supply systems, a heavy oil system (■) and a coal tar system (3), which are each connected to a number of burners provided in the heating furnace (1) via branch pipes. .
重油系（２）は、重油を一時貯留しておく重油受入れタ
ンク（２１）と、夕／り（２１）内の重油をバーナに供
給する供給配管（２３）に介在せしめた供給ポツプ（２
２）及び弁（２４）と、重油を燃焼させない時に、再度
、タンク（２１）に重油を戻す戻り配管（２５）と、そ
れに介在せしめた弁（２６）とから構成されている。The heavy oil system (2) consists of a heavy oil receiving tank (21) that temporarily stores heavy oil, and a supply pot (2) that is interposed in a supply pipe (23) that supplies the heavy oil in the tank (21) to the burner.
2), a valve (24), a return pipe (25) that returns heavy oil to the tank (21) again when the heavy oil is not combusted, and a valve (26) interposed therebetween.
又、コールタール系（３）は、コールタールを一時貯留
しておくタール受入れタンク（３Ｉ）と、タック（３１
）内のコールタールを、重油のバーナと同一のバーナに
供給する供給配管（３３）に介在せしめた供給ポンプ（
３２）及び弁（３↓）と、タールを燃焼させない時に、
再度、タンク（３１）にタールを戻す戻り配管（３５）
と、それに介在せしめた弁（３６）とから構成されてい
る。In addition, the coal tar system (3) has a tar receiving tank (3I) for temporarily storing coal tar, and a tack (31).
) is connected to a supply pipe (33) that supplies the coal tar in
32) and valve (3↓) and when not burning tar,
Return piping (35) that returns the tar to the tank (31) again
and a valve (36) interposed therebetween.
重油を供給する供給配管（２３）に介在せしめた弁（２
４）より加熱炉（１）側の供給配管（２３）に、又、コ
ールタールを供給する供給配管（３３）に介在せしめた
弁（３４）より加熱炉（１）側の供給配管（３３）に、
それぞれ蒸気配管（４）を接続させている。なお、（４
１＞及び（４２）は弁を示す。重油、コールタールの各
燃料を交互に切り替える際に、前記蒸気配管（４）から
の蒸気にて、燃料を供給しない供給配管の洗浄を行ない
、配管の詰まりを防止している。A valve (2) interposed in a supply pipe (23) that supplies heavy oil
4) Supply piping (33) on the heating furnace (1) side from the valve (34) interposed in the supply piping (23) on the heating furnace (1) side and in the supply piping (33) for supplying coal tar. To,
Steam piping (4) is connected to each. In addition, (4
1> and (42) indicate valves. When switching fuels such as heavy oil and coal tar, the steam from the steam pipe (4) is used to clean the supply pipes that do not supply fuel, thereby preventing clogging of the pipes.
加熱炉（１）からの排煙を導（煙道０υに加熱炉（夏）
側より排煙脱硝装置（５）と、排煙脱硫装置（６）を順
次配設している。Exhaust smoke from the heating furnace (1) is guided into the flue 0υ (heating furnace (summer))
A flue gas denitrification device (5) and a flue gas desulfurization device (6) are arranged in this order from the side.
排煙脱硝装置（５）は、排煙温度により脱硝効率が変動
するため、及び内蔵した触媒の寿命低下をきたずため、
脱硝装置の入口で排煙の温度制御を行っている。脱硝反
応を起こさせる脱硝Ｋ ａ本体（５１）の人口部に温度
計（５２）を設け、そのα１温値を比較器（５３）に送
信し、比較器（５３）では、予め設定された設定値と前
記温度計（５２）からの実測値と比較し、実′ｇ４値が
大になった場合に、排煙を冷却すべき冷却水配管（５↓
）に設けた弁（５５）を開き、煙道ａｔｔ内に水噴霧を
行う。又、脱硝装置本体（５１）と、ｎ？ｒ記した水噴
霧する位置との間の煙道００に、脱硝反応を起こさせる
ためのアンモニアガスをアンモニア配管（５６）より吹
込んでいる。なお、（５７）は、アンモニアガス０度を
うすめるための希釈ファンを示し、（５８）は、触媒層
を示す。The flue gas denitrification device (5) has a
The temperature of the flue gas is controlled at the entrance of the denitrification equipment. A thermometer (52) is installed in the population part of the denitrification Ka main body (51) that causes the denitrification reaction, and the α1 temperature value is sent to the comparator (53). Compare the value with the actual measurement value from the thermometer (52), and if the actual value becomes large, the cooling water pipe (5↓
) is opened to spray water into the flue att. In addition, the denitration equipment main body (51) and n? Ammonia gas for causing a denitrification reaction is blown from an ammonia pipe (56) into the flue 00 between the water spraying position shown in r. Note that (57) indicates a dilution fan for diluting ammonia gas at 0 degrees, and (58) indicates a catalyst layer.
排煙脱硫装置（６）は、脱硫反応を起こさせる脱硫装置
本体（６１）の中間部からその内部に排煙を吹き込み、
脱硫装置本体（旧）の下部か脱硫部Ｆｌ剤である水酸化
マグネシュウムを含有する脱硫吸収液の貯留槽となして
攪拌翼（１３２＞を６゛１え、貯留槽内の脱硫吸収液は
、ポツプ（６３）により脱硫装置本体（６１）の上部ま
で設み上げ、その位置でノズルにより噴霧して落下する
前記液が再び貯留槽内に留るように構成されている。脱
硫装置本体（６１）内に吹き込まれた排煙は、その内部
で霧化した水酸化マグネジ、ラムを含有する脱硫吸収液
と反応し、排煙中（Ｄ ＳＯｘがＭｇＳＯ４、及びＨ，
Ｓｏ４溶液とナッテ排煙からは除かれ、ｌｈ浄な排煙と
なって、脱硫装置本体（旧）の上端から大気中に放出さ
れる。なお、（６４）は、冷却水配管であって、高温の
排煙を玲却するために設けたもので、脱硫装置本体（旧
）の入口にて冷却水を霧化して排煙中に吹き込むように
している。（６５）は、脱硫装置の内部ライニング・ミ
スト除去装置の熱保護を行うための非常用ヘッドタンク
を示す。又、脱硫処理剤である水酸化マグネシュウム液
の０度が薄くなってくると、水酸化マグネシュウム配管
（６６）より脱硫処理剤を添加することができる。The flue gas desulfurization device (6) blows flue gas into the inside of the desulfurization device body (61) from the middle part to cause a desulfurization reaction.
The lower part of the desulfurization equipment main body (old) is used as a storage tank for the desulfurization absorption liquid containing magnesium hydroxide, which is the Fl agent. The desulfurizer main body (61) is installed up to the top of the desulfurizer main body (61) through a pop (63), and the liquid that is sprayed by a nozzle at that position and falls remains in the storage tank again.The desulfurizer main body (61) ) The flue gas blown into the flue gas reacts with the desulfurization absorption liquid containing atomized hydroxide magnez and ram, and the flue gas (D SOx becomes MgSO4, H,
It is removed from the So4 solution and Natte flue gas, becomes lh-clean flue gas, and is released into the atmosphere from the upper end of the desulfurization equipment main body (old). In addition, (64) is a cooling water pipe, which is installed to remove high-temperature flue gas.At the entrance of the desulfurization equipment main body (old), the cooling water is atomized and blown into the flue gas. That's what I do. (65) indicates an emergency head tank for thermal protection of the internal lining mist removal device of the desulfurization equipment. Furthermore, when the 0°C of the magnesium hydroxide solution, which is the desulfurization treatment agent, becomes thinner, the desulfurization treatment agent can be added through the magnesium hydroxide pipe (66).
燃焼用空気を昇昌させる排煙との熱交換器■は、加熱炉
（１）と排煙脱硝装置（５）との間の煙道（ＩＩ）に設
けている。燃焼用空気は、燃焼空気ファン（８１）によ
り送風され、空気導管（８２）、熱交換器（７） 、空
気導管り８２）を順次流れて加熱炉１１）内に吹き込ま
れる。A heat exchanger (2) for elevating combustion air and flue gas is provided in the flue (II) between the heating furnace (1) and the flue gas denitrification device (5). Combustion air is blown by a combustion air fan (81), flows sequentially through an air conduit (82), a heat exchanger (7), an air conduit 82), and is blown into the heating furnace 11).
ところで、熱交換器（′７）の後方の排煙脱硝装置（５
）では、排煙脱硝に際して排煙の最適温度が存在するた
めに、熱交換器（２）で熱交換されるが、排煙の温度が
低下し過ぎないように熱交換器（７）後方に温度計（８
４）を設けて排煙温度を実測している。比較器（８５）
は、前記４度計（８４）からの実測温度を受信し、その
受信値と予め設定されている設定値と比較し、実測ん度
が設定値より低下したときに、燃焼用空気と排煙たの熱
交換を止めるべく空気導管（８２）に設けた弁（８６）
を閉じ、熱交換器（７）に並列に設けたバイパス空気導
管（８３）の弁（８７）を開け、熱交換しない伏態で加
熱炉（１）に燃焼用空気を吹き込まれる。By the way, the flue gas denitrification device (5) behind the heat exchanger ('7)
), since there is an optimum temperature for flue gas during exhaust gas denitrification, heat is exchanged in heat exchanger (2), but in order to prevent the temperature of flue gas from dropping too much, heat exchanger (7) is installed at the rear of the flue gas. Thermometer (8
4) is installed to actually measure the flue gas temperature. Comparator (85)
receives the measured temperature from the 4 degree meter (84), compares the received value with a preset set value, and when the measured temperature falls below the set value, the combustion air and flue gas are removed. Valve (86) installed in the air conduit (82) to stop other heat exchange
is closed, and the valve (87) of the bypass air conduit (83) provided in parallel with the heat exchanger (7) is opened, and combustion air is blown into the heating furnace (1) in a closed state without heat exchange.
この比較器（８５）では、排煙温度の下限を制御し、前
述の比較器（５３）は、排煙温度の−Ｌ限を制御する。This comparator (85) controls the lower limit of the flue gas temperature, and the above-mentioned comparator (53) controls the -L limit of the flue gas temperature.
なお、煙道００に介在せしめている０のは、誘引ファン
を示す。Note that the number 0 interposed in the flue 00 indicates an induction fan.
発明の効果
本発明の加熱炉装置によると、燃料として重油と安価な
コールタールとを鋼材の品質に応じて使い分けでき、又
、コールタール燃填時のＮ Ｏｘ 。Effects of the Invention According to the heating furnace apparatus of the present invention, heavy oil and inexpensive coal tar can be used as fuel depending on the quality of the steel material, and NOx can be reduced when the coal tar is refueled.
ＳＯｘ発生は、排煙温度制御機溝を備えた排煙脱硝装置
、排煙脱硝装置によって除去され、大気への放散が完全
に防止される。SOx generation is removed by a flue gas denitrification device and a flue gas denitrification device equipped with a flue gas temperature control groove, and its release into the atmosphere is completely prevented.
図面は、本発明の概略説明図を示す。 The drawings show a schematic illustration of the invention.
Claims (1)
への燃料供給系として重油系とコールタール系の２系統
を設け、かつ、加熱炉からの排煙を処理する排煙脱硝装
置と排煙脱硫装置とを加熱炉側より順次配設するととも
に、加熱炉と排煙脱硝装置間に燃焼用空気を昇温させる
排煙との熱交換器、及び排煙脱硝装置入口の排煙温度を
制御する排煙温度制御装置を備えたことを特徴とする加
熱炉設備。In heating furnace equipment that heats steel materials to a predetermined temperature, there are two systems for fuel supply to the heating furnace: a heavy oil system and a coal tar system, and a flue gas denitrification device and flue gas are used to treat the flue gas from the heating furnace. A desulfurization device is installed sequentially from the heating furnace side, and a heat exchanger with flue gas that raises the temperature of combustion air between the heating furnace and the flue gas denitrification device, and a flue gas temperature control at the entrance of the flue gas denitrification device. A heating furnace equipment characterized by being equipped with a flue gas temperature control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61193074A JPS6349603A (en) | 1986-08-18 | 1986-08-18 | Heating furnace facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61193074A JPS6349603A (en) | 1986-08-18 | 1986-08-18 | Heating furnace facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6349603A true JPS6349603A (en) | 1988-03-02 |
Family
ID=16301774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61193074A Pending JPS6349603A (en) | 1986-08-18 | 1986-08-18 | Heating furnace facility |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6349603A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852550A (en) * | 2010-05-10 | 2010-10-06 | 中国石油化工集团公司 | Tubular industrial heating furnace |
| WO2012063466A1 (en) * | 2010-11-09 | 2012-05-18 | バブコック日立株式会社 | Exhaust gas treatment method and apparatus |
| CN107983155A (en) * | 2017-12-26 | 2018-05-04 | 中冶京诚工程技术有限公司 | Sintering flue gas denitration and desulfurization system and application thereof |
| CN114525142A (en) * | 2022-04-01 | 2022-05-24 | 宝武集团鄂城钢铁有限公司 | Method and system for treating ammonia-containing tail gas and simultaneously reducing nitrogen oxides in coke oven flue gas |
-
1986
- 1986-08-18 JP JP61193074A patent/JPS6349603A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852550A (en) * | 2010-05-10 | 2010-10-06 | 中国石油化工集团公司 | Tubular industrial heating furnace |
| WO2012063466A1 (en) * | 2010-11-09 | 2012-05-18 | バブコック日立株式会社 | Exhaust gas treatment method and apparatus |
| JP2012101158A (en) * | 2010-11-09 | 2012-05-31 | Babcock Hitachi Kk | Exhaust gas treating method and apparatus |
| CN107983155A (en) * | 2017-12-26 | 2018-05-04 | 中冶京诚工程技术有限公司 | Sintering flue gas denitration and desulfurization system and application thereof |
| CN114525142A (en) * | 2022-04-01 | 2022-05-24 | 宝武集团鄂城钢铁有限公司 | Method and system for treating ammonia-containing tail gas and simultaneously reducing nitrogen oxides in coke oven flue gas |
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