CN103282101A - Seawater flue-as desulfurization system, and power generating system - Google Patents

Seawater flue-as desulfurization system, and power generating system Download PDF

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Publication number
CN103282101A
CN103282101A CN2011800611090A CN201180061109A CN103282101A CN 103282101 A CN103282101 A CN 103282101A CN 2011800611090 A CN2011800611090 A CN 2011800611090A CN 201180061109 A CN201180061109 A CN 201180061109A CN 103282101 A CN103282101 A CN 103282101A
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China
Prior art keywords
seawater
gas desulfurization
absorption tower
flue
exhaust gas
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CN103282101B (en
Inventor
吉元贵志
香川晴治
中小路裕
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Mitsubishi Power Ltd
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Mitsubishi Heavy Industries Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/20Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • B01D53/501Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/74Treatment of water, waste water, or sewage by oxidation with air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K9/00Plants characterised by condensers arranged or modified to co-operate with the engines
    • F01K9/003Plants characterised by condensers arranged or modified to co-operate with the engines condenser cooling circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/02Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2252/00Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10Inorganic absorbents
    • B01D2252/103Water
    • B01D2252/1035Sea water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/18Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00Treatment devices
    • F23J2219/40Sorption with wet devices, e.g. scrubbers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/15041Means for absorbing SOx using seawater

Abstract

This seawater flue-gas desulfurization system (10) is characterized by having: a flue-gas desulfurization absorption tower (11) for purifying exhaust gas (25) by bringing the exhaust gas (25) into gas-liquid contact with seawater (21a); a dilution mixing tank (12) disposed on the downstream side of the flue-gas desulfurization absorption tower (11) and for diluting and mixing, with seawater (21b), sulfur content absorbed seawater (27) containing sulfur content; a seawater supply line (L12) for supplying seawater (21a) to the flue-gas desulfurization absorption tower (11); and surplus seawater branching pipes (L21, L22) diverging from the seawater supply line (L12) at the interior and/or the exterior of the flue-gas desulfurization absorption tower (11) and for supplying seawater (21a) to the dilution mixing tank (12).

Description

System of flue-gas desulfurization with seawater and electricity generation system
Technical field
The system of flue-gas desulfurization with seawater and the electricity generation system that the present invention relates to adopt seawater that the oxysulfide from the waste gas of the discharges such as industrial combustion equipment of coal burning, burning crude oil and heavy oil combustion etc. is carried out desulfurization.
Background technology
In the generating factory that acts as a fuel with coal or former wet goods, in the burning and gas-exhausting gas of discharging from boiler by fossil fuels such as coal are burnt (below, be referred to as " waste gas "), contain oxysulfide sulphur content such as (SOx).For this reason, waste gas will be desulfurized processing, with the sulfur dioxide (SO that contains in the waste gas 2) wait SOx remove the back emit to atmosphere.As such desulfuration processing method, lime lime-gypsum method, spray drying process and seawater method etc. are arranged.
Power plants etc. are owing to need a large amount of cooling waters so build in the place in the face of the sea mostly.For this reason, handle viewpoint considerations such as needed operating cost from suppressing desulfurization, propose a kind of flue-gas desulfurization with seawater device that seawater is carried out the sea water desulfuration of desulfurization as the absorption liquid that absorbs the oxysulfide in the waste gas that adopted.
The flue-gas desulfurization with seawater device carries out the gas-liquid contact to internal feed seawater and the boiler waste gas of the desulfurizing tower (absorption tower) that vertically is placed to the such barrel shape of cylinder roughly or square shape with seawater as absorption liquid, thus SOx is removed.Seawater (sulphur content absorption seawater) after the desulfurization of using as absorbent in desulfurizing tower is for example at long water route (the Seawater Oxidation Treatment System of opened upper end; SOTS) flow in, diluted with sea water mixing and discharge.Sulphur content absorbs micro air bubble that seawater flows out by the air-breather from the local bottom surface of being located at the water route and by carbon dioxide removal (quick-fried gas) (for example, referring to Patent Document 1~3).
In the flue-gas desulfurization with seawater device, when adopting seawater to carry out desulfurization, be adjusted to according to the desulfurization degree of the waste gas of in desulfurizing tower, supplying with and the waste gas of recently obtaining of the waste gas of discharging to the outside of desulfurizing tower and be setting (for example, about 90%).
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2006-055779 communique
Patent documentation 2: TOHKEMY 2009-028570 communique
Patent documentation 3: TOHKEMY 2009-028572 communique
Summary of the invention
Invent problem to be solved
When adopting seawater to carry out desulfurization, there is the sulfate ion (SO that contains in the pH value, the seawater after the desulfurization of basicity based on seawater, ocean temperature, seawater 4 2-) seawater proterties such as concentration and the desulfurization degree of waste gas is become than the high situation of setting (for example, about 90%).
When seawater was supplied with in the desulfurizing tower, the adjustment of the quantity delivered of seawater changed to control by the platform number that pump is turned round, and therefore, was difficult to carry out the inching of the quantity delivered of the seawater supplied with in desulfurizing tower.For this reason, when the desulfurization degree of waste gas is higher than setting, there is the such problem of inching of the desulfurization degree that is difficult to carry out waste gas.
The present invention makes in view of above-mentioned problem, and its problem is, system of flue-gas desulfurization with seawater and the electricity generation system of the adjustment of the desulfurization degree that can easily carry out waste gas is provided.
Be used for solving the means of problem
First invention of the present invention that is used for the above-mentioned problem of solution is a kind of system of flue-gas desulfurization with seawater, it is characterized in that having: the exhaust gas desulfurization absorption tower, and it makes waste gas contact and above-mentioned waste gas is cleaned with the seawater gas-liquid; The diluted mixture groove, the back trip side that it is located at above-mentioned exhaust gas desulfurization absorption tower makes the sulphur content that contains sulphur content absorb seawater and carries out diluted mixture with the seawater that dilutes usefulness; The sea water supply pipeline, it is supplied with above-mentioned seawater to above-mentioned exhaust gas desulfurization absorption tower; Residual seawater branch pipe arrangement, its in the tower on above-mentioned exhaust gas desulfurization absorption tower with tower outside in the either party or two sides place from above-mentioned sea water supply line branches, with tower bottom or the either party in the above-mentioned diluted mixture groove or the two sides supply to above-mentioned exhaust gas desulfurization absorption tower of the part of above-mentioned seawater; Control valve, it is arranged on the above-mentioned residual seawater branch pipe arrangement, is used for residual seawater branch component is regulated.
Second invention provides a kind of system of flue-gas desulfurization with seawater on the basis of first invention, it is characterized in that, the branching portion of above-mentioned residual seawater branch pipe arrangement is arranged on the back trip side of the seawater delivery pump of being located at above-mentioned sea water supply pipeline.
The 3rd invention provides a kind of system of flue-gas desulfurization with seawater on the basis of first or second invention, it is characterized in that, the desulfurization degree that obtains according to the desulfurization degree that calculates in the above-mentioned exhaust gas desulfurization absorption tower, calculate oneself to the spray amount of the seawater of the spray nozzle of the above-mentioned seawater of above-mentioned exhaust gas desulfurization absorption tower internal spraying, and the aperture that is arranged on the control valve in the above-mentioned residual seawater branch pipe arrangement adjusted, thus the spray amount of above-mentioned seawater is regulated.
The basis of the 4th invention arbitrary invention in first to the 3rd invention provides a kind of system of flue-gas desulfurization with seawater, it is characterized in that above-mentioned exhaust gas desulfurization absorption tower, above-mentioned diluted mixture groove and oxidation trough are made of same groove.
The 5th invention is characterized in that having: boiler for a kind of electricity generation system; Steam turbine, it will use as the thermal source that steam produces usefulness from the waste gas that above-mentioned boiler is discharged, and utilizes the steam that produces to drive generator; The system of flue-gas desulfurization with seawater of arbitrary invention in first to fourth invention, above-mentioned electricity generation system also has at least one in condenser, smoke evacuation denitrification apparatus, dust collect plant, heat exchanger and the chimney, this condenser reclaims and makes its circulation to the water that condenses in above-mentioned steam turbine, this smoke evacuation denitrification apparatus carries out from the denitration of the waste gas of above-mentioned boiler discharge, this dust collect plant is removed the coal dust in the above-mentioned waste gas, this heat exchanger comprises: heat regenerator makes above-mentioned waste gas and the thermal medium that circulates in heat exchanger carry out heat exchange; Reheater, the Purge gas that above-mentioned thermal medium and the exhaust gas desulfurization absorption tower of above-mentioned waste gas being cleaned from above-mentioned waste gas is contacted with the seawater gas-liquid are discharged is carried out heat exchange, thereby above-mentioned Purge gas is heated again, and this chimney makes in above-mentioned system of flue-gas desulfurization with seawater the Purge gas after the desulfurization discharge to the outside.
The invention effect
According to the present invention, can easily carry out the adjustment of the desulfurization degree of waste gas.
Description of drawings
Fig. 1 is the concise and to the point figure of the formation of the related system of flue-gas desulfurization with seawater of expression embodiments of the invention 1.
Fig. 2 is the figure of an example of expression method of operation that the desulfurization degree of waste gas is adjusted.
Fig. 3 is the concise and to the point figure of the formation of the related electricity generation system of expression embodiments of the invention 2.
The specific embodiment
Below, limit limit with reference to the accompanying drawings is described in detail the present invention.Need to prove, be not to limit the present invention by following embodiment.In addition, the inscape among the following embodiment comprises key element that the art personnel can expect easily or identical in fact, so-called " within the impartial scope ".And then disclosed inscape also can suitably make up in following embodiment.
Embodiment 1
With reference to the accompanying drawings to describing based on embodiments of the invention 1 related system of flue-gas desulfurization with seawater.Fig. 1 is the concise and to the point figure of the formation of expression system of flue-gas desulfurization with seawater.As shown in Figure 1, the related system of flue-gas desulfurization with seawater 10 of present embodiment has exhaust gas desulfurization absorption tower 11, diluted mixture groove 12 and oxidation trough 13.
Seawater 21 draws to sea water supply pipeline L11 from extra large 22 by pump 23, the seawater 21a of a part 11 supplies with to the exhaust gas desulfurization absorption tower via sea water supply pipeline L12 by pump 24, and other remaining seawater 21b supplies with to diluted mixture groove 12 via dilution sea water supply pipeline L13.Seawater 21 adopts the seawater that directly draws by pump 23 from sea 22, but the invention is not restricted to this, also can adopt the discharge opeing of the seawater 21 that illustrated condenser never discharges etc.
Exhaust gas desulfurization absorption tower 11 contacts the tower that waste gas 25 is purified for making waste gas 25 with seawater 21a gas-liquid.In exhaust gas desulfurization absorption tower 11, seawater 21a is the ejection of fluid column shape upward from spray nozzle 26, waste gas 25 is contacted with the seawater 21a gas-liquid of supplying with via sea water supply pipeline L12, thereby carry out the desulfurization of the sulphur content in the waste gas 25.In the present embodiment, spray nozzle 26 is the spray nozzle that is the ejection of fluid column shape upward, but is not limited thereto, also can be for being the nozzle of shower shape spraying downwards.
That is, waste gas 25 is contacted with seawater 21a gas-liquid, produces such reaction shown in the following formula (I), make in waste gas 25 with SO 2The sulphur content such as SOx that contain etc. form are absorbed by seawater 21a, thereby utilize seawater 21a that the sulphur content in the waste gas 25 is removed.
SO 2(G)+H 2O→H 2SO 3(L)→HSO 3 -+H +
…(I)
Under the effect of this sea water desulfuration, contacted with the gas-liquid of waste gas 25 and the H that produces by seawater 21a 2SO 3Disassociation and hydrogen ion (H +) in seawater 21a, dissociate, so the pH value descends, absorb at sulphur content and absorb a large amount of sulphur content in the seawater 27.Thus, sulphur content absorbs the sulphur content that seawater 27 contains high concentration.At this moment, absorb the pH value of seawater 27 as sulphur content, for example become about 3~6.And the sulphur content that has absorbed sulphur content in exhaust gas desulfurization absorption tower 11 absorbs the tower bottom that seawater 27 accumulates in exhaust gas desulfurization absorption tower 11.The sulphur content that accumulates in the tower bottom on exhaust gas desulfurization absorption tower 11 absorbs seawater 27 and carries via sulphur content absorption seawater discharge pipe L14 and to diluted mixture groove 12.In diluted mixture groove 12, sulphur content absorption seawater 27 mixes with the seawater 21b that supplies with to diluted mixture groove 12 and is diluted.
In addition, the Purge gas after the desulfurization 29 is emitted in atmosphere via Purge gas drain passageway L15 in exhaust gas desulfurization absorption tower 11.
In addition, be provided with the pipe arrangement L21 of residual seawater branch, L22 or this two side at sea water supply pipeline L12.Pump 24 and branching portion 28A exhaust gas desulfurization absorption tower 11 between and with sea water supply pipeline L12 link of the pipe arrangement L21 of residual seawater branch by sea water supply pipeline L12.In addition, the branching portion 28B of the sea water supply pipeline L12 in the pipe arrangement L22 of residual seawater branch and the exhaust gas desulfurization absorption tower 11 links.The residual seawater 21c that extracts out from the pipe arrangement L21 of residual seawater branch, L22 carries to diluted mixture groove 12.Be provided with control valve V11, V12 at the pipe arrangement L21 of residual seawater branch, L22, be used for the amount of the residual seawater 21c that extracts out from the pipe arrangement L21 of residual seawater branch, L22 is adjusted.
The part of seawater 21a is extracted out as residual seawater 21c from sea water supply pipeline L12 by the pipe arrangement L21 of residual seawater branch, L22, the amount of the seawater 21a of the absorption tower of subtend exhaust gas desulfurization easily 11 supplies is adjusted thus, therefore, can easily carry out the adjustment of the desulfurization degree of the waste gas 25 in the exhaust gas desulfurization absorption tower 11.In addition, the ejection of pump 24 is pressed and is suppressed, so can reduce seawater 21a to exhaust gas desulfurization absorption tower 11 power supplied.And then the residual seawater 21c that extracts out to the pipe arrangement L21 of residual seawater branch, L22 supplies with to diluted mixture groove 12, mixes so absorb seawater 27 with sulphur content, can reduce the SO in the sulphur content absorption seawater 27 2Concentration, therefore, the sulphur content that can reduce in the diluted mixture groove 12 absorbs the SO that contains in the seawater 27 2The situation of dispersing again in the atmosphere.
The desulfurization degree of waste gas 25 is according to the entrance SO in the waste gas of supplying with to exhaust gas desulfurization absorption tower 11 25 2Concentration and outlet SO 2The ratio of concentration (outlet SO 2Concentration/entrance SO 2Concentration) or sulphur content absorb the seawater proterties of seawater 27, adjust by the amount of the residual seawater 21c that extracts out to the pipe arrangement L21 of residual seawater branch, L22.
In the present embodiment, so-called " seawater proterties " refers to that sulphur content absorbs basicity, ocean temperature, pH value, the SO of seawater 27 4Concentration etc.So-called " basicity " is for consuming carbonic acid (H 2CO 3), carbanion (CO 3 2-), bicarbonate ion (HCO 3 -), OH -, organic acid or weak acid the content of composition of acid such as salt (silicic acid, phosphoric acid, boric acid).When the seawater proterties that absorbs seawater 27 according to sulphur content comes the amount of the residual seawater 21c of the pipe arrangement L21 of subtend residual seawater branch, L22 extraction to adjust, absorb basicity, ocean temperature, pH value, the SO of seawater 27 according to sulphur content 4In the concentration at least more than one adjusted the desulfurization degree of waste gas 25.Wherein, as the seawater proterties, preferably according to basicity (HCO 3 -) adjust.
Be provided with for the entrance SO to waste gas 25 at entrance exhaust gas desulfurization absorption tower 11, waste gas 25 and exit 2Concentration and outlet SO 2The SO that concentration is measured 2Densimeter.In addition, in exhaust gas desulfurization absorption tower 11, be provided with for the ocean temperature, pH value, the SO that sulphur content are absorbed seawater 27 4The thermometer that concentration is measured, pH pH-value determination pH device, SO 4Densimeter.
Fig. 2 is the figure of an example of expression method of operation that the desulfurization degree of waste gas 25 is adjusted.As shown in Figure 2, obtain the desulfurization degree of the waste gas 25 in the exhaust gas desulfurization absorption tower 11 and the seawater proterties (step S11) that sulphur content absorbs seawater 27.Whether the desulfurization degree of judging waste gas 25 is threshold value (for example, setting value+α) above (the step S12) of regulation.At this, in the present embodiment, so-called " threshold value of the regulation of desulfurization degree " refers to that for example exhaust gas desulfurization absorption tower 11 is carried out the setting value (for example, desulfurization degree is 90%) of the required regulation of desulfurization and the value of surplus α (for example, desulfurization degree is several %) sum usually.
(for example, when setting value+α) is above, calculate the required spray amount (step S13) of spraying of seawater 21a according to the seawater proterties of sulphur content absorption seawater 27 and the desulfurization degree of waste gas 25 at the desulfurization degree of waste gas 25 for the threshold value of regulation.Calculate the aperture (step S14) of control valve V11, V12 according to the required spray amount of the spraying of seawater 21a.Adjust the switching degree (step S15) of control valve V11, V12 according to the aperture of the control valve V11, the V12 that calculate.
By adjust the switching degree of control valve V11, V12 according to the aperture of the control valve V11, the V12 that calculate, thus can subtend exhaust gas desulfurization absorption tower the amount of the 11 seawater 21a that supply with adjust, therefore can be easily the spray amount of the seawater 21a that sprays out from spray nozzle 26 be adjusted.Thus, as mentioned above, in exhaust gas desulfurization absorption tower 11, can easily carry out the adjustment of the desulfurization degree of waste gas 25.
In addition, in the present embodiment, the pipe arrangement L21 of residual seawater branch, L22 and diluted mixture groove 12 link, the residual seawater 21c that extracts out from the pipe arrangement L21 of residual seawater branch, L22 carries to diluted mixture groove 12, but the supply destination of the residual seawater 21c after extracting out is not limited to diluted mixture groove 12, both can carry to the tower bottom on exhaust gas desulfurization absorption tower 11, also can directly carry to oxidation trough 13.In addition, the residual seawater 21c after the extraction both can carry to diluted mixture groove 12 this two side of tower bottom with exhaust gas desulfurization absorption tower 11, also can carry to oxidation trough 13 this two side of tower bottom with exhaust gas desulfurization absorption tower 11.And then the residual seawater 21c after the extraction also can carry to the tower bottom on diluted mixture groove 12, oxidation trough 13 and exhaust gas desulfurization absorption tower 11.
Diluted mixture groove 12 for the back trip side of being located at exhaust gas desulfurization absorption tower 11, and the sulphur content that will contain sulphur content absorb the groove that seawater 27 and the seawater 21b of dilution usefulness dilute and mix.In diluted mixture groove 12, make by sulphur content in the waste gas 25 is contacted carry out sea water desulfuration sulphur content that produce, that contain sulphur content to absorb seawater 27 with seawater 21a and mix with seawater 21b and dilute.By sulphur content absorption seawater 27 being mixed with seawater 21b and diluting, make the sulphur content in the diluted mixture groove 12 absorb the pH value rising of diluting seawater 31 thus, can prevent SO 2The diffusion again of gas.In addition, diluted mixture groove 12 can prevent SO 2Diffusion and the situation of leaking to the outside can prevent from emitting the situation of pungent odour thus.
And sulphur content absorbs dilution seawater 31 and carries to the oxidation trough 13 in the downstream of being located at diluted mixture groove 12.Oxidation trough 13 carries out the groove that sulphur content absorbs the aerator (air-breather) 32 of the quality recovery processing of diluting seawater 31 for being located at the downstream of diluted mixture groove 12 and having.
The oxidation that aerator 32 has air supply 33 absorbs the oxidation air nozzle 36 that dilution seawater 31 are supplied with the diffuser 35 of air-blaster 34, conveying air 33 and with air 33 to the sulphur content in the oxidation trough 13.Air outside 33 is sent in oxidation trough 13 with nozzle 36 from oxidation air via diffuser 35 with air-blaster 34 by oxidation, the dissolving of the such oxygen of following formula (II) is taken place.Sulphur content absorbs sulphur content in the dilution seawater 31 and contacts with air 33 and the such sulfurous acid hydrogen radical ion (HSO of following formula (III)~(V) takes place in oxidation trough 13 3 -) oxidation reaction and bicarbonate ion (HCO 3 -) carbon dioxide removal reaction, sulphur content absorbs dilution seawater 31 and is resumed water quality, thereby becomes quality recovery seawater 37.
O 2(G)→O 2(L)…(II)
HSO 3 -+1/2O 2→SO 4 2-+H +…(III)
HCO 3 -+H +→CO 2(G)+H 2O…(IV)
CO 3 2-+2H +→CO 2(G)+H 2O…(V)
Thus, the pH value that can make sulphur content absorb dilution seawater 31 rises and reduction COD, thereby the level that quality recovery seawater 37 can seawater be released with pH value, dissolved oxygen concentration, COD is emitted.In addition, even if in oxidation trough 13, carry out producing gas when sulphur content absorbs the quality recovery that dilutes seawater 31, also can make the gas of this generation to satisfy SO 2The mode of environmental criteria concentration spreads in oxidation trough 13.Quality recovery seawater 37 is released to sea 22 via seawater discharge pipe L31.
Like this, in the related system of flue-gas desulfurization with seawater 10 of present embodiment, according to the entrance SO of 11 waste gas of supplying with 25 to the exhaust gas desulfurization absorption tower 2Concentration and outlet SO 2The basicity that the sulphur content when of concentration absorbs seawater 27 comes the amount of the residual seawater 21c that the pipe arrangement L21 of subtend residual seawater branch, L22 extract out to adjust, and can adjust and easily carries out the adjustment of the desulfurization degree of waste gas 25 spray amount of the seawater 21a that sprays out from spray nozzle 26 thus.In addition, can reduce seawater 21a to exhaust gas desulfurization absorption tower 11 power supplied.And then, mixes by making sulphur content in residual seawater 21c and the diluted mixture groove 12 absorb seawater 27, can reduce the SO in the sulphur content absorption seawater 27 thus 2Concentration.Thus, the oxidation trough 13 mobile sulphur content absorption seawater 27 in the outdoor style of opening of subtend carry out oxidation processes and when carrying out quality recovery, can prevent the SO that absorbs in exhaust gas desulfurization absorption tower 11 2Diffusion in diluted mixture groove 12 and make SO 2The situation that gas leaks to the outside, thus can prevent from emitting the situation of pungent odour.
Thereby the system of flue-gas desulfurization with seawater 10 related according to present embodiment can provide stable desulfurization degree and security and the high flue-gas desulfurization with seawater device of reliability of keeping waste gas 25.
In addition, in the present embodiment, be illustrated for the system of flue-gas desulfurization with seawater that in exhaust gas desulfurization absorption tower 11, carries out for the processing of the seawater 21a of sea water desulfuration, but the invention is not restricted to this.The flue-gas desulfurization with seawater device also can be applied to the oxysulfide that contains in power plant, the waste gas of electrical industry with large-sized boiler or discharges such as industrial boiler, iron-smelter, refinery usually such as the factory from various industry for example, large-scale, medium-sized thermal power plant is carried out among the flue-gas desulfurization with seawater device of sea water desulfuration.
In addition, in the present embodiment, exhaust gas desulfurization absorption tower 11, diluted mixture groove 12 and oxidation trough 13 are respectively the groove that is separated from each other independently, and with exhaust gas desulfurization absorption tower 11, diluted mixture groove 12 and oxidation trough 13 bindings, but present embodiment is not limited thereto, both exhaust gas desulfurization absorption tower 11, diluted mixture groove 12 and oxidation trough 13 can be made of a groove as one, also diluted mixture groove 12 and oxidation trough 13 can be made of a groove as one.
Embodiment 2
Describe for embodiments of the invention 2 related electricity generation systems with reference to the accompanying drawings.In the system of flue-gas desulfurization with seawater that is applied to the related electricity generation system of present embodiment, adopted the related system of flue-gas desulfurization with seawater of embodiment 1.Need to prove, for member similarly to Example 1, be marked with same-sign and omit its explanation.
Fig. 3 is the concise and to the point figure of the formation of the related electricity generation system of expression embodiments of the invention 2.As shown in Figure 3, the related electricity generation system 40 of present embodiment has boiler 41, steam turbine 42, condenser 43, smoke evacuation denitrification apparatus 44, dust collect plant 45 and system of flue-gas desulfurization with seawater 10.Need to prove that in the present embodiment, as mentioned above, so-called " sulphur content absorbs seawater 27 " refers to absorb SO in system of flue-gas desulfurization with seawater 10 2Used seawater in sulphur content.
Boiler 41 will be from the fuel 46 of supplies such as oil tank or coal crushing machine with being sprayed and burn from burner (not shown) by the air 48 after air preheater (AH) 47 preheatings.The air of supplying with from the outside 48 is carried and is preheated to air preheater 47 by forced drainage 49.Fuel 46 and supplied with to said burner by the air 48 after air preheater 47 preheatings, fuel 46 burns in boiler 41.Thus, produce the steam 50 that is used for driving steam turbine 42.
The waste gas 51 that produces in boiler 41 internal combustion is carried to smoke evacuation denitrification apparatus 44.In addition, waste gas 51 thermal source that produces steam 50 as carrying out heat exchange with the water 52 of discharging from condenser 43 uses.Steam turbine 42 adopts this steam 50 to drive generator 53.Then, 43 pairs of water that condense in steam turbine 42 52 of condenser reclaim, and make it return boiler 41 again and circulate.
The waste gas 51 of discharging from boiler 41 carries out denitration in smoke evacuation denitrification apparatus 44, carry out carrying to dust collect plant 45 after the heat exchange with air 48 in air preheater 47, and the coal dust in the waste gas 51 is removed.Then, in system of flue-gas desulfurization with seawater 10, supplied with by induction type fan 55 by the waste gas 51 after dust collect plant 45 dedustings.At this moment, in heat exchanger 56, waste gas 51 carries out with the Purge gas 29 of also being discharged by system of flue-gas desulfurization with seawater 10 desulfurization supplying with in system of flue-gas desulfurization with seawater 10 after the heat exchange.In addition, waste gas 51 also can be obstructed over-heat-exchanger 56 carry out heat exchange with Purge gas 29 and directly supply with to system of flue-gas desulfurization with seawater 10.
In addition, heat exchanger 56 comprises heat regenerator and reheater, and circulation has thermal medium between above-mentioned heat regenerator and above-mentioned reheater.Above-mentioned heat regenerator is arranged between air preheater 47 and the dust collect plant 45, makes the waste gas 51 of discharging from boiler 41 carry out heat exchange with above-mentioned thermal medium.Above-mentioned reheater is located at the back trip side on exhaust gas desulfurization absorption tower 11, makes the Purge gas 57 of 11 discharges from the exhaust gas desulfurization absorption tower carry out heat exchange with above-mentioned thermal medium, thereby Purge gas 29 is heated again.
System of flue-gas desulfurization with seawater 10 is the related flue-gas desulfurization with seawater devices of the above embodiments 1.That is, system of flue-gas desulfurization with seawater 10 has: exhaust gas desulfurization absorption tower 11; Diluted mixture groove 12; Oxidation trough 13; And the pipe arrangement L21 of residual seawater branch, L22.
In system of flue-gas desulfurization with seawater 10, as mentioned above, adopt the sulphur content that from 21 pairs of waste gas 51 of sea 22 seawater that draw, contains to carry out sea water desulfuration.In addition, seawater 21 is drawn from extra large 22 by pump 23, carries out in condenser 43 after the heat exchange, and the seawater 21a of a part carries via sea water supply pipeline L12 and by pump 24 and to system of flue-gas desulfurization with seawater 10.In addition, remaining seawater 21b carries to the upstream side of diluted mixture groove 12 via sea water supply pipeline L13.Waste gas 51 is contacted with seawater 21a gas-liquid, the sulphur content in the waste gas 51 is absorbed by seawater 21a.The sulphur content that has absorbed sulphur content absorb seawater 27 from exhaust gas desulfurization absorption tower 11 upstream side to diluted mixture groove 12 carry, mix with seawater 21b and diluted.
In addition, the waste gas 51 after the purification becomes Purge gas 29 and discharges to the outside from chimney 57 via Purge gas drain passageway L15 in system of flue-gas desulfurization with seawater 10.
In the present embodiment, in the system of flue-gas desulfurization with seawater 10, be provided with the pipe arrangement L21 of residual seawater branch, L22 at sea water supply pipeline L12.The pipe arrangement L21 of residual seawater branch links with sea water supply pipeline L12 between the pump 24 of sea water supply pipeline L12 and exhaust gas desulfurization absorption tower 11.In addition, the sea water supply pipeline L12 in the pipe arrangement L22 of residual seawater branch and the exhaust gas desulfurization absorption tower 11 links.The residual seawater 21c that extracts out from the pipe arrangement L21 of residual seawater branch, L22 carries to diluted mixture groove 12.By utilizing the pipe arrangement L21 of residual seawater branch, L22 from sea water supply pipeline L12 the part of seawater 21a to be extracted out as residual seawater 21c, the amount of the seawater 21a of subtend exhaust gas desulfurization absorption tower 11 supplies is adjusted thus, thereby carries out the adjustment of the desulfurization degree of the waste gas 51 in the exhaust gas desulfurization absorption tower 11.As mentioned above, the desulfurization degree of waste gas 25 is according to the entrance SO in the waste gas of supplying with to exhaust gas desulfurization absorption tower 11 51 2Concentration and outlet SO 2The ratio of concentration (outlet SO 2Concentration/entrance SO 2Concentration) or sulphur content absorb the basicity of seawater 27, adjust by the amount of the residual seawater 21c that extracts out to the pipe arrangement L21 of residual seawater branch, L22.Thereby, can be easily to utilizing the pipe arrangement L21 of residual seawater branch, L22 to adjust from the amount that sea water supply pipeline L12 extracts the part of seawater 21a out, so the amount of the seawater 21a that the absorption tower of subtend exhaust gas desulfurization easily 11 is supplied with is adjusted.Thus, can easily carry out the adjustment of the desulfurization degree of the waste gas 51 in the exhaust gas desulfurization absorption tower 11.In addition, the ejection of pump 24 is pressed and is suppressed, so can reduce seawater 21a to exhaust gas desulfurization absorption tower 11 power supplied.
In addition, from sea 22 seawater that draw 21 carry out heat exchange condenser 43 after, carry to system of flue-gas desulfurization with seawater 10, come for sea water desulfuration, do not carry out heat exchange by condenser 43 and directly carry to system of flue-gas desulfurization with seawater 10 but can make from sea 22 seawater that draw 21 yet, come for sea water desulfuration.
In diluted mixture groove 12, make sulphur content absorb that seawater 27 mixes with seawater 21b and absorbed dilution seawater 31 by the sulphur content after the dilution carries to oxidation trough 13, dilute seawater 31 in 13 pairs of sulphur content absorptions of oxidation trough and recover water quality, become quality recovery seawater 37.The quality recovery seawater 37 that is obtained by oxidation trough 13 is released to sea 22 via seawater discharge pipe L32 from oxidation trough 13 for the form of the level of can seawater releasing with pH value, dissolved oxygen concentration, COD.
In addition, also can the back trip side of the part of the seawater 21 quality recovery seawater 37 in the oxidation trough 13 via dilution sea water supply pipeline L13 be supplied with from sea water supply pipeline L11.Thus, can dilute quality recovery seawater 37 further.Thus, the pH value of quality recovery seawater 37 is risen, and the pH value of seawater discharge opeing is risen near seawater, satisfy the draining benchmark (the pH value is more than 6.0) of the pH value of seawater discharge opeing, and can reduce COD, thereby quality recovery seawater 37 can be emitted with pH value, COD for the form of the level of can seawater releasing.
Like this, the electricity generation system 40 related according to present embodiment, the adjustment of the desulfurization degree of waste gas 51 can be in exhaust gas desulfurization absorption tower 11, easily carried out, and the inhibition that seawater 21a is realized operating cost to exhaust gas desulfurization absorption tower 11 power supplied can be reduced.In addition, the residual seawater 21c that extracts out to the pipe arrangement L21 of residual seawater branch, L22 supplies with to diluted mixture groove 12, can reduce the SO in the sulphur content absorption seawater 27 2Concentration, therefore, the sulphur content that can reduce in the diluted mixture groove 12 absorbs the SO that contains in the seawater 27 2The situation of dispersing again in the atmosphere.Thereby, stable desulfurization degree and security and the high electricity generation system of reliability of both having kept waste gas 51 can be provided.
In addition, the related flue-gas desulfurization with seawater device 10 of present embodiment can utilize among the removing of sulphur content in carry out the sulphur content absorbent solution that sea water desulfuration produces owing to the oxysulfide that contains in to power plants such as the factory from various industry, large-scale, medium-sized thermal power plant, the electrical industry waste gas with large-sized boiler or discharge such as industrial boiler usually.
Symbol description
10 system of flue-gas desulfurization with seawater
11 exhaust gas desulfurization absorption towers
12 diluted mixture grooves
13 oxidation troughs
21,21a, 21b seawater
The 21c residual seawater
22 seas
23,24 pumps
25,51 waste gas
26 spray nozzles
27 sulphur content absorb seawater
28A, 28B branching portion
29 Purge gas
31 sulphur content absorb the dilution seawater
32 aerators (air-breather)
33 air
34 oxidation air-blasters
35 diffusers
36 oxidation air nozzles
37 quality recovery seawater
40 electricity generation systems
41 boilers
42 steam turbines
43 condensers
44 smoke evacuation denitrification apparatus
45 dust collect plants
46 fuel
47 air preheaters (AH)
48 air
49 forced drainages
50 steams
52 water
53 generators
55 induction type fans
56 heat exchangers
57 chimneys
L11, L12 sea water supply pipeline
L13 dilution sea water supply pipeline
L14 sulphur content absorbs the seawater discharge pipe
L15 Purge gas drain passageway
L21, L22 residual seawater branch pipe arrangement
L31, L32 seawater discharge pipe

Claims (5)

1. system of flue-gas desulfurization with seawater is characterized in that having:
The exhaust gas desulfurization absorption tower, it makes waste gas contact and described waste gas is cleaned with the seawater gas-liquid;
The diluted mixture groove, the back trip side that it is located at described exhaust gas desulfurization absorption tower makes the sulphur content that contains sulphur content absorb seawater and carries out diluted mixture with the seawater that dilutes usefulness;
The sea water supply pipeline, it is supplied with described seawater to described exhaust gas desulfurization absorption tower;
Residual seawater branch pipe arrangement, its in the tower on described exhaust gas desulfurization absorption tower with tower outside in the either party or two sides place from described sea water supply line branches, with tower bottom or the either party in the described diluted mixture groove or the two sides supply to described exhaust gas desulfurization absorption tower of the part of described seawater;
Control valve, it is arranged on the described residual seawater branch pipe arrangement, is used for residual seawater branch component is regulated.
2. system of flue-gas desulfurization with seawater as claimed in claim 1 is characterized in that,
The branching portion of described residual seawater branch pipe arrangement is arranged on the back trip side of the seawater delivery pump of being located at described sea water supply pipeline.
3. system of flue-gas desulfurization with seawater as claimed in claim 1 or 2 is characterized in that,
The desulfurization degree that obtains according to the desulfurization degree that calculates in the described exhaust gas desulfurization absorption tower, calculate oneself to the spray amount of the seawater of the spray nozzle of the described seawater of described exhaust gas desulfurization absorption tower internal spraying, and the aperture that is arranged on the control valve on the described residual seawater branch pipe arrangement adjusted, thus the spray amount of described seawater is regulated.
4. as each described system of flue-gas desulfurization with seawater in the claim 1~3, it is characterized in that,
Described exhaust gas desulfurization absorption tower, described diluted mixture groove and oxidation trough are made of same groove.
5. electricity generation system is characterized in that having:
Boiler;
Steam turbine, it will use as the thermal source that steam produces usefulness from the waste gas that described boiler is discharged, and utilizes the steam that produces to drive generator;
Each described system of flue-gas desulfurization with seawater in the claim 1~4,
Described electricity generation system also has at least one in condenser, smoke evacuation denitrification apparatus, dust collect plant, heat exchanger and the chimney,
This condenser reclaims and makes its circulation to the water that condenses in described steam turbine,
This smoke evacuation denitrification apparatus carries out from the denitration of the waste gas of described boiler discharge,
This dust collect plant is removed the coal dust in the described waste gas,
This heat exchanger comprises: heat regenerator makes described waste gas and the thermal medium that circulates in heat exchanger carry out heat exchange; Reheater, the Purge gas that described thermal medium and the exhaust gas desulfurization absorption tower of described waste gas being cleaned from described waste gas is contacted with the seawater gas-liquid are discharged is carried out heat exchange, thereby described Purge gas is heated again,
This chimney makes in described system of flue-gas desulfurization with seawater the Purge gas after the desulfurization discharge to the outside.
CN201180061109.0A 2011-02-28 2011-08-25 Seawater flue-as desulfurization system, and power generating system Expired - Fee Related CN103282101B (en)

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PCT/JP2011/069148 WO2012117586A1 (en) 2011-02-28 2011-08-25 Seawater flue-gas desulfurization system, and power generating system

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101557868A (en) * 2007-02-28 2009-10-14 三菱重工业株式会社 System of flue-gas desulfurization with seawater

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11244646A (en) * 1998-03-05 1999-09-14 Ishikawajima Harima Heavy Ind Co Ltd Control of flow rate of absorbent slurry of stack gas desulfurizer and device therefor
JP4381064B2 (en) * 2003-08-26 2009-12-09 三菱重工業株式会社 Exhaust gas treatment apparatus and treatment method
CN102112210B (en) * 2008-06-13 2014-03-26 武汉晶源环境工程有限公司 Method and device for desulfurization of smoke discharged from ship
JP5231957B2 (en) * 2008-11-27 2013-07-10 バブコック日立株式会社 Wet desulfurization equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101557868A (en) * 2007-02-28 2009-10-14 三菱重工业株式会社 System of flue-gas desulfurization with seawater

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US9821268B2 (en) 2014-09-02 2017-11-21 Fuji Electric Co., Ltd. Exhaust gas treatment device and waste water treatment method for exhaust gas treatment device
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CN103282101B (en) 2015-06-03
TW201238644A (en) 2012-10-01

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