CN110743364A - Marine exhaust seawater desulfurization treatment equipment - Google Patents

Marine exhaust seawater desulfurization treatment equipment Download PDF

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Publication number
CN110743364A
CN110743364A CN201910877198.4A CN201910877198A CN110743364A CN 110743364 A CN110743364 A CN 110743364A CN 201910877198 A CN201910877198 A CN 201910877198A CN 110743364 A CN110743364 A CN 110743364A
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Prior art keywords
seawater
pipe
concentration tank
desulfurization treatment
outlet
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Pending
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CN201910877198.4A
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Chinese (zh)
Inventor
李汉超
伍肇昕
金琦
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Shanghai Blue Sky Environmental Protection Technology Co Ltd
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Shanghai Blue Sky Environmental Protection Technology Co Ltd
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Priority to CN201910877198.4A priority Critical patent/CN110743364A/en
Publication of CN110743364A publication Critical patent/CN110743364A/en
Pending legal-status Critical Current

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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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • 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
    • B01D53/343—Heat recovery
    • 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
    • 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
    • B01D53/502—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 solution or suspension
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • 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
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/606—Carbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention belongs to the technical field of ship tail gas desulfurization, and particularly relates to a ship tail gas seawater desulfurization treatment device which comprises a seawater inlet concentration tank, a mixing pipe and a seawater outlet concentration tank, wherein the upper end of the mixing pipe is screwed in the middle of the lower surface of the seawater inlet concentration tank, the lower end of the mixing pipe is screwed in the middle of the upper surface of the seawater outlet concentration tank, the seawater inlet concentration tank, the mixing pipe and the seawater outlet concentration tank are communicated, the left side wall of the seawater outlet concentration tank is connected with an air inlet pipe through a screw, the lower side of the right side wall of the seawater outlet concentration tank is connected with a water outlet pipe through a screw, and the flue gas after desulfurization treatment can be subjected to waste heat recovery treatment through the arrangement of a heat recovery sleeve, so that the heat can be recovered, the heat loss is reduced, and the heat can be utilized; through the setting of spoiler subassembly for the sea water of whereabouts can fully stir the mixture with the tail gas that rises, thereby improves desulfurization treatment's efficiency.

Description

Marine exhaust seawater desulfurization treatment equipment
Technical Field
The invention relates to the technical field of ship tail gas desulfurization, in particular to a ship tail gas seawater desulfurization treatment device.
Background
The seawater flue gas desulfurization is to absorb SO in flue gas by using natural alkalinity of seawater2A desulfurization process. Since rainwater carries alkaline substances (carbonates) from land formations to the sea, natural seawater is generally alkaline, has a PH value generally greater than 7, and contains mainly chlorides, sulfates and a portion of soluble carbonates, as bicarbonates (HCO)3 -) The natural alkalinity is about 1.2-2.5 mmol/L, SO that the seawater has natural acid-base buffering capacity and SO absorption2The ability of the cell to perform. One basic theoretical basis for seawater desulfurization is that most of the natural sulfur is present in the ocean, sulfate is one of the main components of seawater, and most of the sulfur dioxide in the environment is finally discharged into the sea in the form of sulfate.
Seawater desulfurization was analyzed from the perspective of natural element circulation. It can be seen that the seawater desulfurization process essentially cuts off the pollution and destruction of the atmosphere by the industrially discharged sulfur, while discharging the sulfur into the sea in the form of sulfate, which returns the sulfur to its original form after recycling.
The mode of seawater desulfurization on ships is widely used, but the contact between seawater and tail gas in the existing seawater desulfurization equipment is not thorough enough, and the desulfurization treatment efficiency is not high.
Disclosure of Invention
The invention aims to provide a ship tail gas seawater desulfurization treatment device, which aims to solve the problems that the seawater desulfurization method on a ship is widely used, but the contact between seawater and tail gas is not thorough in the existing seawater desulfurization device, and the desulfurization treatment efficiency is not high.
In order to achieve the purpose, the invention provides the following technical scheme: a seawater desulfurization treatment device for ship tail gas comprises a seawater inlet concentration tank, a mixing pipe and a seawater outlet concentration tank, wherein the upper end of the mixing pipe is screwed in the middle of the lower surface of the seawater inlet concentration tank, the lower end of the mixing pipe is screwed in the middle of the upper surface of the seawater outlet concentration tank, seawater inlet concentration tank, the mixing pipe and the seawater outlet concentration tank are communicated, the left side wall of the seawater outlet concentration tank is connected with an air inlet pipe through a screw, the lower side of the right side wall of the seawater outlet concentration tank is connected with a water outlet pipe through a screw, the air inlet pipe and the water outlet pipe are both communicated with the inner cavity of the seawater outlet concentration tank, the middle of the top end of the seawater inlet concentration tank is provided with an air outlet pipe, the outer wall of the air outlet pipe is sleeved with a heat recovery sleeve, and the right side wall of the seawater inlet concentration tank is, the seawater mixing device comprises a seawater inlet pipe, a mixing pipe, a stirring plate, a supporting spring and a suction pump, wherein the right side of the seawater inlet pipe is connected with an outlet of the suction pump through a flange, the left side wall and the right side wall of an inner cavity of the mixing pipe are respectively connected with the stirring plate assembly, the stirring plate assembly comprises a shaft seat, the shaft seat is fixedly connected onto the inner wall of the mixing pipe, the shaft seat is connected with the stirring plate through a rotating shaft, the bottom of the stirring plate is welded with the supporting spring.
Preferably, the lower surface of the seawater discharging and collecting tank is obliquely arranged with the height from left to right.
Preferably, an overflow pipe is connected to the upper side of the right side wall of the seawater discharge and concentration tank.
Preferably, the overflow pipe comprises a horizontal pipe and a vertical pipe, the upper end of the vertical pipe is connected to the left end of the horizontal pipe, and the vertical pipe is located in the inner cavity of the seawater discharge concentration tank.
Preferably, the heat recovery sleeve comprises an outer sleeve, a storage cavity is formed in the body of the outer sleeve, the inner wall of the outer sleeve is attached to the outer wall of the air outlet pipe, and the outer wall of the outer sleeve is provided with a liquid inlet and a liquid outlet.
Preferably, the liquid inlet and the liquid outlet are respectively arranged on the lower side and the upper side of the outer sleeve.
Preferably, the pipeline of the seawater inlet pipe is also provided with a one-way check valve.
Compared with the prior art, the invention has the beneficial effects that:
1) through the arrangement of the heat recovery sleeve, the waste heat recovery treatment can be carried out on the flue gas after the desulfurization treatment, and the heat can be recovered, so that the heat loss is reduced, and the heat can be utilized;
2) through the arrangement of the spoiler assembly, the falling seawater and the rising tail gas can be fully stirred and mixed, so that the desulfurization treatment efficiency is improved;
3) through one-way check valve's setting, can avoid the flue gas to get into in the sea water admission pipe, through the setting of overflow pipe for the sea water is discharged and is concentrated the inside sea water that concentrates of jar, and can overflow after reaching the position of overflow pipe, avoids inside too much sea water of gathering, and the sea water is gathered in sea water discharge concentrates jar, can make the combined action of flue gas and sea water improve.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the seawater inlet, mixing pipe and seawater outlet concentrating tank of the present invention;
FIG. 3 is a schematic view of the heat recovery jacket of the present invention;
FIG. 4 is a schematic structural view of a spoiler assembly in accordance with the present invention;
figure 5 is a schematic view of the structure of the overflow tube of the present invention.
In the figure: 1 seawater enters a concentration tank, 2 mixing pipes, 3 seawater is discharged from the concentration tank, 4 air inlet pipes, 5 water outlet pipes, 6 air outlet pipes, 7 heat recovery sleeves, 71 outer sleeve pipes, 72 storage cavities, 73 liquid outlet ports, 74 liquid inlet ports, 8 seawater inlet pipes, 9 suction pumps, 10 one-way check valves, 11 spoiler assemblies, 111 shaft seats, 112 shifting plates, 113 supporting springs and 12 overflow pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
Example (b):
referring to fig. 1-5, the present invention provides a technical solution: a ship tail gas seawater desulfurization treatment device comprises a seawater inlet concentration tank 1, a mixing pipe 2 and a seawater outlet concentration tank 3, wherein the upper end of the mixing pipe 2 is in threaded connection with the middle part of the lower surface of the seawater inlet concentration tank 1, the lower end of the mixing pipe 2 is in threaded connection with the middle part of the upper surface of the seawater outlet concentration tank 3, the seawater inlet concentration tank 1, the mixing pipe 2 and the seawater outlet concentration tank 3 are communicated, the left side wall of the seawater outlet concentration tank 3 is connected with an air inlet pipe 4 through a screw, the lower side of the right side wall of the seawater outlet concentration tank 3 is connected with a water outlet pipe 5 through a screw, the air inlet pipe 4 and the water outlet pipe 5 are both communicated with an inner cavity of the seawater outlet concentration tank 3, tail gas to be treated enters the seawater outlet concentration tank 3 through the air inlet pipe 4 and rises upwards, seawater in the seawater outlet concentration tank 3 is contacted with the inlet tail gas for desulfurization treatment, and the water outlet pipe 5 can, when the discharge is not in time and the seawater reaches the position of the overflow pipe 12, the seawater overflows through the overflow pipe 12;
an air outlet pipe 6 is arranged in the middle of the top end of the seawater inlet concentration tank 1, a heat recovery sleeve 7 is sleeved on the outer wall of the air outlet pipe 6, the right side wall of the seawater inlet concentration tank 1 is connected with a seawater inlet pipe 8 through a screw, the treated tail gas is discharged through the air outlet pipe 6, the seawater enters the seawater inlet concentration tank 1 through the seawater inlet pipe 8 and contacts with the ascending tail gas for desulfurization treatment;
the right side of the seawater inlet pipe 8 is connected with an outlet of a suction pump 9 through a flange, and the seawater is pumped out and output to the seawater inlet tank 1 under the suction action of the suction pump 9;
all be connected with spoiler subassembly 11 on the lateral wall about the inner chamber of hybrid tube 2, spoiler subassembly 11 includes axle bed 111, axle bed 111 fixed connection is on the inner wall of hybrid tube 2, be connected with through the pivot on axle bed 111 and dial board 112, the bottom welding of dialling board 112 has supporting spring 113, supporting spring 113's bottom sprag is on the inner wall of hybrid tube 2, sea water or tail gas impact are on dialling board 112, make and dial board 112 and rotate around axle bed 111 through the pivot, and cooperate supporting spring 113's elastic support effect, can play the effect of buffering, thereby make the sea water, the flue gas receives to stir and the intensive mixing.
SO in flue gas2Contact with seawater takes place for the following main reactions:
SO2(gaseous) + H2O→H2SO3→H++HSO3 -
HSO3 -→H++SO3 2-
SO3 2-+1/2O2→SO4 2-
The reaction is absorption and oxidation process, seawater absorbs gaseous SO in flue gas2Generation of H2SO3，H2SO3Will not be stable and will decompose into H+And HSO3 -，HSO3 -Instability will continue to decompose into H+With SO3 2-。SO3 2-Can be combined with dissolved oxygen in water to be oxidized into SO4 2-. However, the dissolved oxygen in water is very little, generally about 7-8 mg/l, and is far from absorbing SO2SO produced3 2-By oxidation to SO4 2-. Absorption of SO2H in the seawater+The concentration is increased to enhance the acidity of the seawater, the pH value is generally about 3, the seawater is strong in acidity, fresh alkaline seawater is needed to neutralize and improve the pH value, and H in the desulfurized seawater+The following reactions with carbonate in fresh seawater occur:
HCO3-+H+→H2CO3→CO2↑+H2O
while the above neutralization reaction is carried out, the reaction is carried out in seawaterA large amount of air is blown in for aeration, and the main functions of the aeration are as follows: 1) adding SO3 2-Oxidized to SO4 2-(ii) a 2) Uses the mechanical force thereof to neutralize a large amount of CO generated in the reaction2Driving out of the water surface; 3) improve the dissolved oxygen of the desulfurized seawater and discharge the desulfurized seawater after reaching the standard. As can be seen from the above reaction, seawater desulfurization does not add any chemical desulfurizing agent except seawater and air, and seawater is recovered to increase SO4 2-However, the salt content of seawater is usually 2700mg/l, and the sulfate content increased by desulfurization is about 70-80 mg/l, which belongs to the normal fluctuation range of natural seawater.
Since sulfate is not only a natural component of seawater but also an indispensable component of marine life, seawater desulfurization does not destroy natural components of seawater, and no by-product needs to be treated.
The lower surface of the seawater discharging and concentrating tank 3 is obliquely arranged with the left higher and the right lower.
An overflow pipe 12 is connected to the upper side of the right side wall of the seawater discharge and concentration tank 3.
The overflow pipe 12 includes a horizontal pipe and a vertical pipe, and the upper end of the vertical pipe is connected to the left end of the horizontal pipe, and the vertical pipe is located in the inner cavity of the seawater discharge concentration tank 3.
The heat recovery sleeve 7 comprises an outer sleeve 71, a storage cavity 72 is formed in the body of the outer sleeve 71, the inner wall of the outer sleeve 71 is attached to the outer wall of the air outlet pipe 6, and a liquid inlet 74 and a liquid outlet 73 are formed in the outer wall of the outer sleeve 71.
The liquid inlet 74 and the liquid outlet 73 are respectively provided on the lower side and the upper side of the outer sleeve 71, so that heat absorbing liquid (such as water or cooling oil) enters from the lower side and is discharged from the upper side, so that the storage chamber 72 is filled with the heat absorbing liquid, and the situation of a large vacant part is avoided.
The pipeline of the seawater inlet pipe 8 is also provided with a one-way check valve 10, and the rising smoke can be prevented from entering the seawater inlet pipe 8 through the arrangement of the one-way check valve 10.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a marine exhaust sea water desulfurization treatment facility, includes that the sea water gets into and concentrates jar (1), hybrid tube (2) and sea water discharge and concentrate jar (3), its characterized in that: the upper end of the mixing pipe (2) is in threaded connection with the middle part of the lower surface of the seawater inlet concentration tank (1), the lower end of the mixing pipe (2) is in threaded connection with the middle part of the upper surface of the seawater outlet concentration tank (3), the seawater inlet concentration tank (1), the mixing pipe (2) and the seawater outlet concentration tank (3) are communicated, the left side wall of the seawater outlet concentration tank (3) is connected with an air inlet pipe (4) through a screw, the lower side of the right side wall of the seawater outlet concentration tank (3) is connected with a water outlet pipe (5) through a screw, the air inlet pipe (4) and the water outlet pipe (5) are both communicated with the inner cavity of the seawater outlet concentration tank (3), an air outlet pipe (6) is arranged in the middle part of the top end of the seawater inlet concentration tank (1), a heat recovery sleeve (7) is sleeved on the outer wall of the air outlet pipe (6), and the right side wall of the seawater inlet concentration tank (, the right side of sea water admission pipe (8) is through the exit linkage of flange with suction pump (9), all be connected with spoiler assembly (11) on the lateral wall about the inner chamber of hybrid tube (2), spoiler assembly (11) are including axle bed (111), axle bed (111) fixed connection is on the inner wall of hybrid tube (2), be connected with through the pivot on axle bed (111) and dial board (112), the bottom welding of dialling board (112) has supporting spring (113), the bottom support of supporting spring (113) is on the inner wall of hybrid tube (2).
2. The marine tail gas seawater desulfurization treatment apparatus according to claim 1, characterized in that: the lower surface of the seawater discharge concentration tank (3) is obliquely arranged with the left higher and the right lower.
3. The marine tail gas seawater desulfurization treatment apparatus according to claim 1, characterized in that: the upper side of the right side wall of the seawater discharge and concentration tank (3) is connected with an overflow pipe (12).
4. The marine tail gas seawater desulfurization treatment apparatus according to claim 3, characterized in that: the overflow pipe (12) comprises a horizontal pipe and a vertical pipe, the upper end of the vertical pipe is connected to the left end of the horizontal pipe, and the vertical pipe is located in the inner cavity of the seawater discharge concentration tank (3).
5. The marine tail gas seawater desulfurization treatment apparatus according to claim 1, characterized in that: the heat recovery sleeve (7) comprises an outer sleeve (71), a storage cavity (72) is formed in the body of the outer sleeve (71), the inner wall of the outer sleeve (71) is attached to the outer wall of the air outlet pipe (6), and the outer wall of the outer sleeve (71) is provided with a liquid inlet (74) and a liquid outlet (73).
6. The seawater desulfurization treatment device for marine exhaust gas according to claim 5, characterized in that: the liquid inlet (74) and the liquid outlet (73) are respectively arranged at the lower side and the upper side of the outer sleeve (71).
7. The marine tail gas seawater desulfurization treatment apparatus according to claim 1, characterized in that: the pipeline of the seawater inlet pipe (8) is also provided with a one-way check valve (10).
CN201910877198.4A 2019-09-17 2019-09-17 Marine exhaust seawater desulfurization treatment equipment Pending CN110743364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910877198.4A CN110743364A (en) 2019-09-17 2019-09-17 Marine exhaust seawater desulfurization treatment equipment

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Application Number Priority Date Filing Date Title
CN201910877198.4A CN110743364A (en) 2019-09-17 2019-09-17 Marine exhaust seawater desulfurization treatment equipment

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053210A (en) * 1986-02-11 1991-10-01 Uhde Gmbh Method for the purification of flue gases
CN202555170U (en) * 2012-08-01 2012-11-28 杭州燃油锅炉有限公司 High-intensity circulating desulfurization tower and combined flue gas distributing device
CN205570076U (en) * 2016-04-27 2016-09-14 广西天生能源环保科技有限责任公司 Marsh gas wet flue gas desulfurization device
CN207342489U (en) * 2017-09-23 2018-05-11 湖南飞洋机电科技有限公司 A kind of high desulfurization injector of gas-liquid mixed rate
CN208512244U (en) * 2018-04-18 2019-02-19 盐城中南华晟环保科技有限公司 A kind of dual-alkali flue gas desulfurization device
CN208771177U (en) * 2018-08-22 2019-04-23 唐山惠川环保科技有限公司 A kind of ozone integration desulfurization denitration device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053210A (en) * 1986-02-11 1991-10-01 Uhde Gmbh Method for the purification of flue gases
CN202555170U (en) * 2012-08-01 2012-11-28 杭州燃油锅炉有限公司 High-intensity circulating desulfurization tower and combined flue gas distributing device
CN205570076U (en) * 2016-04-27 2016-09-14 广西天生能源环保科技有限责任公司 Marsh gas wet flue gas desulfurization device
CN207342489U (en) * 2017-09-23 2018-05-11 湖南飞洋机电科技有限公司 A kind of high desulfurization injector of gas-liquid mixed rate
CN208512244U (en) * 2018-04-18 2019-02-19 盐城中南华晟环保科技有限公司 A kind of dual-alkali flue gas desulfurization device
CN208771177U (en) * 2018-08-22 2019-04-23 唐山惠川环保科技有限公司 A kind of ozone integration desulfurization denitration device

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Application publication date: 20200204