WO2011145534A1 - Dispositif de traitement des gaz d'échappement et procédé de traitement des gaz d'échappement - Google Patents

Dispositif de traitement des gaz d'échappement et procédé de traitement des gaz d'échappement Download PDF

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Publication number
WO2011145534A1
WO2011145534A1 PCT/JP2011/061105 JP2011061105W WO2011145534A1 WO 2011145534 A1 WO2011145534 A1 WO 2011145534A1 JP 2011061105 W JP2011061105 W JP 2011061105W WO 2011145534 A1 WO2011145534 A1 WO 2011145534A1
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WO
WIPO (PCT)
Prior art keywords
wall surface
exhaust gas
gas treatment
flue
water
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Application number
PCT/JP2011/061105
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English (en)
Japanese (ja)
Inventor
涼吉 ▲濱▼口
弘貢 長安
泰稔 上田
敏秀 野口
守男 加賀見
Original Assignee
三菱重工メカトロシステムズ株式会社
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Application filed by 三菱重工メカトロシステムズ株式会社 filed Critical 三菱重工メカトロシステムズ株式会社
Publication of WO2011145534A1 publication Critical patent/WO2011145534A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/304—Alkali metal compounds of sodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium

Definitions

  • the present invention relates to an exhaust gas treatment apparatus and an exhaust gas treatment method for removing SO 3 in combustion exhaust gas.
  • Combustion exhaust gas containing sulfur oxides such as SO 2 and SO 3 is discharged from a combustion furnace that burns fuel containing 0.5 wt% or more of sulfur such as heavy fuel or coal fuel.
  • SO 3 is generated when a part of SO 2 is oxidized in a high temperature environment. Therefore, the abundance of SO 3 is about several percent with respect to SO 2 .
  • SO 3 causes clogging and corrosion of the air heater and corrosion of the flue, and when it is cooled and discharged from the chimney, it causes purple smoke (blueish smoke). It is desirable.
  • Patent Document 1 discloses a method for spraying desulfurization wastewater containing dissolved salt such as Na 2 SO 4 into combustion exhaust gas as a method for removing SO 3 easily and inexpensively.
  • Patent Document 2 discloses a method of spraying desulfurization waste water from a wet desulfurization apparatus by a lime gypsum method into combustion exhaust gas.
  • JP 2006-326575 A (Claims 1, 9, paragraphs [0009] and [0025])
  • JP 2008-246406 A (Claim 1, Claim 14, Paragraphs [0007], [0041], [0046])
  • An object of the present invention is to provide an exhaust gas treatment apparatus and an exhaust gas treatment method that enable stable operation over a long period of time.
  • a first aspect of the present invention is an exhaust gas treatment device for removing SO 3 contained in combustion exhaust gas, and an aqueous solution containing a dissolved salt in the flue upstream of the wet desulfurization device Spraying means for spraying, and wall surface cleaning water is supplied to the wall surface of the flue along the circumferential direction of the wall surface of the flue, and the wall surface over the entire surface of the flue to which the dissolved salt adheres
  • An exhaust gas treatment apparatus including a wall surface cleaning pipe for forming a liquid film of cleaning water.
  • a second aspect of the present invention is an exhaust gas treatment method for removing SO 3 contained in combustion exhaust gas, wherein an aqueous solution containing a dissolved salt is sprayed on the flue upstream of the wet desulfurization apparatus, and
  • this exhaust gas treatment method wall surface washing water is supplied to the wall surface of the flue, and a liquid film of the wall surface washing water is formed on the entire surface of the flue to which the dissolved salt adheres.
  • wall cleaning pipes are provided along the circumferential direction of the flue wall surface, and wall cleaning water is supplied from the wall cleaning pipe toward the flue wall surface.
  • the wall surface cleaning pipe supplies the wall surface cleaning water so that the liquid film of the wall surface cleaning water is formed on the entire surface of the region where the dried dissolved salt adheres.
  • the wall surface washing water is supplied more stably, the dissolved salt is washed away, and the dissolved salt is prevented from being deposited on the flue wall surface. For this reason, the reduction
  • the exhaust gas treatment apparatus of the present invention can be stably operated over a long period of time.
  • the wall surface washing water is preferably used as desulfurization waste water of the wet desulfurization apparatus.
  • a wet electrostatic precipitator is provided after the wet desulfurization apparatus, and the wall surface washing water is used as waste water of the wet electrostatic precipitator.
  • the operation cost can be reduced by reusing the waste water generated in the exhaust gas treatment apparatus for the wall surface washing water.
  • a spray means cleaning pipe for supplying spray means cleaning water for cleaning the spray means may be provided above the spray means.
  • the spray means cleaning pipe is provided on the upper part of the spray means, and the spray means is washed by supplying cleaning water, thereby preventing the dissolved salt from adhering.
  • the spray means washing water is desulfurization waste water of the wet desulfurization apparatus.
  • a wet electrostatic precipitator is provided after the wet desulfurization apparatus, and the spray means cleaning water is used as waste water of the wet electrostatic precipitator.
  • the operation cost can be reduced by reusing the waste water generated in the exhaust gas treatment apparatus for the washing water of the spray means.
  • a recovery unit that is provided along a circumferential direction of the wall surface below the wall surface cleaning pipe and collects the wall surface cleaning water, and the wall surface cleaning water recovered by the recovery unit is used as the wall surface cleaning pipe.
  • the structure provided with the circulation part made to circulate to is preferable. It is preferable that the wall surface washing water is collected and recirculated as the wall surface washing water.
  • the said structure WHEREIN It is preferable to provide the alkali supply part which supplies an alkali to the collect
  • SO 2 or SO 3 in the combustion exhaust gas passing through the flue is absorbed by the wall surface washing water, the pH of the wall surface washing water decreases.
  • an alkali supply unit that supplies alkali to the circulating wall surface washing water, it is possible to prevent damage to the flue.
  • the wall surface washing water is supplied so as to form a liquid film over the entire area where the dissolved salt is sprayed and adheres, so that the dissolved and dried solidified on the flue wall No salt deposits are formed. Moreover, since the spraying means is washed, the dissolved salt is prevented from adhering to the spraying means and solidifying. For this reason, it is prevented that the flow path area decreases during the exhaust gas treatment. Further, since the washing water always flows on the wall surface, it is possible to prevent flue corrosion and repeated application of thermal stress to the flue wall surface, thereby preventing the flue from being damaged. As a result, the exhaust gas treatment device can be stably operated over a long period of time.
  • FIG. 6 is a schematic view of another embodiment of a spraying means. It is the schematic of the exhaust gas processing apparatus which concerns on 2nd Embodiment.
  • FIG. 1 is a schematic view of an exhaust gas treatment apparatus according to the first embodiment.
  • the exhaust gas treatment apparatus 100 is provided in a flue downstream of a boiler (combustion furnace) 110.
  • the exhaust gas treatment device 100 includes a denitration device 111, an air heater 112, a dry electrostatic precipitator 113, a wet desulfurization device 114, a wet electrostatic precipitator 116, and a chimney 115.
  • the boiler 110 is, for example, a boiler that burns heavy oil or coal containing a relatively large amount of sulfur.
  • the denitration device 111 removes nitrogen oxides (NOx) contained in the combustion exhaust gas flowing from the boiler 110.
  • NOx nitrogen oxides
  • the air heater 112 exchanges heat between combustion exhaust gas and combustion air required by a pushing fan (not shown). Thereby, the combustion air is heated by the sensible heat of the combustion exhaust gas and supplied to the boiler 110.
  • the dry electrostatic precipitator 113 collects dust in the combustion exhaust gas by electrostatic force.
  • the wet desulfurization apparatus 114 may employ any of a caustic soda method, a water mug method, and a gypsum lime method.
  • the wet desulfurization apparatus 114 includes an absorbent spray 120 for spraying a solution containing an SO 2 absorbent, a packed bed 121 disposed below the absorbent spray 120, and a storage provided below the packed bed 121. Part 122.
  • the filling layer 121 is configured to be provided with a resin filler, for example.
  • the reservoir 122 stores an aqueous solution of the absorbent.
  • An absorbent of SO 2 is supplied from the absorbent supply means 123 to the storage unit 122.
  • the absorbent is NaOH for the caustic soda method, Mg (OH) 2 for the water mug method, and CaO (lime) for the gypsum lime method.
  • Air is supplied to the reservoir 122 from an air supply means (not shown).
  • An absorbent supply pump 124 is provided between the absorbent spray 120 and the reservoir 122.
  • the absorbent supply pump 124 pumps the aqueous solution containing the absorbent in the reservoir 122 into the absorbent spray 120.
  • the pumped aqueous solution containing the absorbent is sprayed from the absorbent spray 120 into the wet desulfurization apparatus 114.
  • the absorbent and SO 2 reacts, sulfites and sulfates are produced.
  • NaOH and SO 2 react to become Na 2 SO 3
  • Na 2 SO 4 is generated by reaction with oxygen. Therefore, the aqueous solution stored in the storage unit 122 includes Na 2 SO 3 and Na 2 SO 4 .
  • the aqueous solution stored in the storage unit 122 includes CaSO 4 and MgSO 4 .
  • a wet electrostatic precipitator 116 may be provided in the flue downstream of the wet desulfurizer 114.
  • the wet electrostatic precipitator 116 always sprays cleaning water on the collecting part, and removes dust and SO 3 that could not be collected by electrostatic force.
  • the wet electrostatic precipitator 116 is supplied with an alkaline solution such as a NaOH aqueous solution or a Mg (OH) 2 aqueous solution for neutralization.
  • This alkaline solution becomes an aqueous solution containing a dissolved salt such as Na 2 SO 4 or MgSO 4 as a drainage solution after neutralization.
  • Spray means 140 is provided in the flue 130 between the dry electrostatic precipitator 113 and the wet desulfurizer 114.
  • FIG. 2A is an enlarged schematic view of the cross section of the flue 130.
  • the spraying means 140 is configured such that the nozzle 142 is attached to the dissolved salt spray pipe 141.
  • the dissolved salt spray pipe 141 extends in the depth direction of FIG. 2A.
  • a plurality of nozzles are attached to the dissolved salt spray pipe 141 in the depth direction of the paper surface of FIG. 2A.
  • the nozzle 142 is preferably a two-fluid nozzle that atomizes the liquid with pressurized air.
  • the combustion exhaust gas circulates between the dissolved salt spray pipes 141.
  • the absorbent supply pump 124 supplies the solution in the storage unit 122 to the spray means 140.
  • an extraction pump different from the absorbent supply pump 124 is provided in the storage unit 122, and the extraction pump supplies a solution (desulfurization drainage) containing the reaction product in the storage unit 122 to the spraying unit 140. good.
  • the flow path for supplying desulfurization effluent to the spray means 140 from the reservoir 122 dissolved supplies powder, such as Na 2 SO 4, MgSO 4 in the desulfurization effluent
  • a salt concentration adjusting means may be provided.
  • the solution supplied to the spraying means 140 includes a reaction product in a wet desulfurization apparatus and a dissolved salt derived from an absorbent (such as NaOH).
  • the spraying means 140 sprays the solution into the flue 130 as droplets having a diameter of 10 to 100 ⁇ m, preferably 20 to 50 ⁇ m, more preferably 25 to 35 ⁇ m.
  • Hot flue gas flows through the flue 130.
  • SO 3 contained in the combustion exhaust gas is adsorbed and fixed to the dissolved salt particles, and SO 3 is removed from the combustion exhaust gas.
  • a part of the sulfate contained in the dried dissolved salt particles reacts with SO 3 .
  • the reaction of the formula (1) proceeds with a part of Na 2 SO 4 and SO 3 .
  • the environment in which the solution is sprayed is set to be equal to or higher than the evaporation temperature of water because the water needs to evaporate while the sprayed droplets are scattered. Furthermore, to react with SO 3, it is more dew point of SO 3. Specifically, the temperature is 130 ° C. or higher, preferably 140 ° C. or higher.
  • FIG. 3A and 3B show another form of spraying means.
  • FIG. 3A is a cross-sectional view of the spraying means 140, and the spraying means cleaning unit 150 is installed on the upper part of the dissolved salt spray pipe 141.
  • the spraying means cleaning unit 150 includes a spraying means cleaning pipe 151 and a discharge hole 152. The washing water is discharged from the discharge hole 152 toward the dissolved salt spray pipe 141 of the spray means 140.
  • the spraying means cleaning pipe 151 is arranged in parallel to the dissolved salt spraying pipe 141, and a plurality of discharge holes 152 are provided in the extending direction of the spraying means cleaning pipe 151.
  • Wash water is discharged from the discharge hole 152.
  • the discharged wash water flows along the outer wall of the dissolved salt spray pipe 141. This prevents the dried dissolved salt from adhering to the outer wall of the spraying means cleaning pipe 151. As a result, it is possible to prevent the dissolved salt from adhering and depositing between the dissolved salt spray pipes 141 and reducing the flow area of the combustion exhaust gas.
  • the discharge of the washing water from the discharge hole 152 may be performed intermittently or continuously.
  • the cleaning water supplied to the spraying means cleaning pipe 151 is either industrial water, desulfurization effluent of the wet desulfurization apparatus 114 and neutralization effluent of the wet electrostatic precipitator 116, or a mixture of two or more of these. It is made with water. By using desulfurization effluent and neutralization effluent as the washing water, the operating cost of the exhaust gas treatment device can be reduced.
  • the wall surface cleaning pipe 160 is provided along the circumferential direction of the flue 130 between the wet desulfurization apparatus 114 and the dry electrostatic precipitator 113. As shown in FIG. 2A, the wall cleaning pipe 160 is provided with a plurality of holes 161 in the circumferential direction of the flue.
  • Wall cleaning water is continuously supplied from the hole 161 of the wall cleaning pipe 160 toward the wall 131 of the flue 130. Thereby, the liquid film of the wall surface cleaning water is formed on the wall surface 131 without lowering the temperature of the surrounding exhaust gas.
  • the installation position and the number of the wall surface cleaning pipes 160 are set so that a liquid film is formed over the entire surface of the flue where the dissolved salt particles adhere.
  • two or one wall cleaning pipe 160 is installed on the wall surface 131 on the downstream side of the spraying means 140.
  • the number of holes 161 provided in the wall surface cleaning pipe 160, the interval and the angle with respect to the wall surface, and the size of the holes 161 are such that a liquid film is formed over the entire area where the dissolved salt particles adhere. Set as appropriate.
  • the flue 130 is configured by welding an external reinforcing material such as C-shaped steel or L-shaped steel to the outside of the flue of the duct plate.
  • an external reinforcing material such as C-shaped steel or L-shaped steel
  • the flue 130 is configured by welding an external reinforcing material such as C-shaped steel or L-shaped steel to the outside of the flue of the duct plate.
  • the wall surface washing water is either industrial water, desulfurization effluent of the wet desulfurization device 114, or neutralization effluent of the wet electrostatic precipitator 116, or water in which two or more of these are mixed. By doing so, the operating cost of the exhaust gas treatment apparatus can be reduced.
  • the wall surface cleaning water flows along the wall surface of the flue 130 and flows into the wet desulfurization apparatus 114.
  • FIG. 4 is a schematic view of an exhaust gas treatment apparatus according to the second embodiment.
  • the exhaust gas treatment apparatus 200 is provided with a collection unit and a circulation unit for collecting and circulating the wall surface cleaning water, and other configurations are the same as those of the first embodiment.
  • the wet desulfurization apparatus 214 adopts a gypsum lime method.
  • the spray means 240 and the wall surface cleaning pipe 260 are installed in the flue 230 between the wet desulfurization apparatus 214 and the dry electrostatic precipitator 213 as in the first embodiment.
  • the recovery unit 280 is installed along the circumferential direction of the flue 230, similarly to the wall surface cleaning pipe 260.
  • the collection unit 280 is, for example, a bowl-shaped flow path.
  • the collection unit 280 is connected to the circulation unit 290.
  • the circulation unit 290 is installed outside the flue 230 and includes a wall surface cleaning water tank 291 and a wall surface cleaning water supply pump 292.
  • Wall surface cleaning water is continuously supplied from the wall surface cleaning pipe 260 toward the wall surface of the flue 230, and the wall surface cleaning water flows down while forming a liquid film on the wall surface of the flue 230.
  • the wall surface washing water that has flowed down is collected by the collection unit 280.
  • the collected wall surface washing water is transferred to the wall surface washing water tank 291 and stored.
  • the wall surface cleaning water in the wall surface cleaning water tank 291 is pumped up by the wall surface cleaning water supply pump 292 and circulated through the wall surface cleaning pipe 260.
  • a cleaning water supply unit 293 and a pH adjuster supply unit 294 are connected to the wall surface cleaning water tank 291.
  • the wall surface washing water tank 291 is provided with a stirring device 295.
  • the cleaning water supply unit 293 supplies the wall surface cleaning water to the wall surface cleaning water tank.
  • the wall surface cleaning water to be replenished is industrial water, neutralized waste water from the wet electrostatic precipitator 216, or a mixed solution thereof.
  • the pH adjusting agent supply unit 294 supplies the pH adjusting agent to the wall surface cleaning water tank 291.
  • the pH of the wall surface cleaning water is adjusted to a neutral level.
  • the pH adjuster is an aqueous solution such as NaOH, Mg (OH) 2 , or CaO.
  • a recovery unit cleaning unit 281 may be installed below the recovery unit 280.
  • the collection unit cleaning unit 281 is, for example, a spray.
  • a part of the wall surface cleaning water pumped up by the wall surface cleaning water supply pump 292 is supplied to the recovery unit cleaning means 281.
  • the recovery unit cleaning means 281 intermittently injects cleaning water onto the outer wall of the recovery unit 280. Thereby, it can prevent that dissolved salt adheres to the outer wall of the collection
  • the sprayed cleaning water flows into the wet desulfurization device 214.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

La présente invention concerne un dispositif de traitement des gaz d'échappement et un procédé de traitement des gaz d'échappement permettant d'avoir un fonctionnement stable sur de longues périodes de temps. Le dispositif de traitement des gaz d'échappement (100) selon la présente invention, qui élimine le SO3 d'un gaz d'échappement d'un moteur à combustion, comprend : un moyen de pulvérisation (140) qui pulvérise une solution aqueuse contenant un sel dissous dans une conduite d'air (130) en amont d'un dispositif de désulfurisation humide (114) ; et une tuyauterie de nettoyage des parois (160), le long des parois de la conduite d'air (130) dans la direction de la circonférence de celle-ci, qui fournit de l'eau de nettoyage des parois aux parois de la conduite d'air, formant ainsi un film liquide de ladite eau de nettoyage des parois sur la surface entière de la région de la conduite d'air (130) sur laquelle commence à se fixer le sel dissous mentionné précédemment. Dans le procédé de traitement des gaz d'échappement décrit ici, qui élimine le SO3 d'un gaz d'échappement d'un moteur à combustion, une solution aqueuse contenant un sel dissous est pulvérisée dans une conduite d'air (130) en amont d'un dispositif de désulfurisation humide (114), et de l'eau de nettoyage des parois est fournie aux parois de la conduite d'air (130), formant ainsi un film liquide de ladite eau de nettoyage des parois sur la surface entière de la région de la conduite d'air (130) sur laquelle commence à se fixer le sel dissous mentionné précédemment.
PCT/JP2011/061105 2010-05-17 2011-05-13 Dispositif de traitement des gaz d'échappement et procédé de traitement des gaz d'échappement WO2011145534A1 (fr)

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JP2010113027A JP5754892B2 (ja) 2010-05-17 2010-05-17 排ガス処理装置及び排ガス処理方法
JP2010-113027 2010-05-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012153838A1 (fr) * 2011-05-12 2012-11-15 三菱重工メカトロシステムズ株式会社 Procédé de traitement de gaz d'échappement et dispositif de traitement de gaz d'échappement
EP3388136A4 (fr) * 2015-12-07 2019-08-07 Chiyoda Corporation Appareil de désulfuration de gaz de carneau
CN113828136A (zh) * 2021-10-15 2021-12-24 上海电气集团股份有限公司 烟气处理系统及处理方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5871376B2 (ja) * 2012-01-13 2016-03-01 前澤化成工業株式会社 微生物燃料電池
SG10202003926SA (en) * 2017-03-28 2020-06-29 Mitsubishi Hitachi Power Sys Ship desulfurization device, hull integrated desulfurization device, ship, and method for assembling hull integrated desulfurization device to ship
CN108452634B (zh) * 2018-06-14 2024-04-02 济南众焦先科环保科技有限公司 一种有机废气的处理工艺及设备

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JPS50119637U (fr) * 1974-03-18 1975-09-30
JPS5183075A (ja) * 1975-01-20 1976-07-21 Babcock Hitachi Kk Sukeeringuboshihoho
JP2006326575A (ja) * 2005-04-26 2006-12-07 Mitsubishi Heavy Ind Ltd 排ガス処理装置および排ガス処理方法
JP2007296447A (ja) * 2006-04-28 2007-11-15 Babcock Hitachi Kk 二室型湿式排煙脱硫装置

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Publication number Priority date Publication date Assignee Title
JPH09141048A (ja) * 1995-11-27 1997-06-03 Babcock Hitachi Kk 湿式排ガス脱硫方法および装置

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Publication number Priority date Publication date Assignee Title
JPS50119637U (fr) * 1974-03-18 1975-09-30
JPS5183075A (ja) * 1975-01-20 1976-07-21 Babcock Hitachi Kk Sukeeringuboshihoho
JP2006326575A (ja) * 2005-04-26 2006-12-07 Mitsubishi Heavy Ind Ltd 排ガス処理装置および排ガス処理方法
JP2007296447A (ja) * 2006-04-28 2007-11-15 Babcock Hitachi Kk 二室型湿式排煙脱硫装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012153838A1 (fr) * 2011-05-12 2012-11-15 三菱重工メカトロシステムズ株式会社 Procédé de traitement de gaz d'échappement et dispositif de traitement de gaz d'échappement
EP3388136A4 (fr) * 2015-12-07 2019-08-07 Chiyoda Corporation Appareil de désulfuration de gaz de carneau
US10661222B1 (en) 2015-12-07 2020-05-26 Chyoda Corporation Flue gas desulfurization system
CN113828136A (zh) * 2021-10-15 2021-12-24 上海电气集团股份有限公司 烟气处理系统及处理方法
CN113828136B (zh) * 2021-10-15 2024-04-12 上海电气集团股份有限公司 烟气处理系统及处理方法

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