CN110721586A - Ship seawater desulfurization equipment with energy recovery function - Google Patents
Ship seawater desulfurization equipment with energy recovery function Download PDFInfo
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- CN110721586A CN110721586A CN201910900909.5A CN201910900909A CN110721586A CN 110721586 A CN110721586 A CN 110721586A CN 201910900909 A CN201910900909 A CN 201910900909A CN 110721586 A CN110721586 A CN 110721586A
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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
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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
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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
- B01D53/502—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
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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
- B01D53/74—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
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- 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
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- 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
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- 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
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- 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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Abstract
The invention belongs to the technical field of ship seawater desulfurization, and particularly relates to ship seawater desulfurization equipment with energy recovery, which comprises a water storage tank, a desulfurization tank, a smoke inlet, a smoke outlet concentration cover, a smoke outlet pipe, a water inlet and a water outlet, wherein the water inlet is connected to the bottom end of the water storage tank, the bottom end of the water inlet is connected with the left side of the upper surface of the desulfurization tank, and the entering seawater and the flue gas can be directly and fully mixed through the direct coordination action of a dispersion spray head, a dispersion plate and a driving cylinder, so that the flue gas and the seawater can be well mixed, and a better desulfurization effect can be achieved; the discharged seawater directly impacts the hydroelectric power generation equipment, so that the seawater is used as power for rotating a power generation impeller of the hydroelectric power generation equipment, the hydroelectric power generation equipment can be driven to generate power, the kinetic energy of the seawater is converted into electric energy, and the effect of energy recovery is achieved; the seawater absorbing heat is output through the distributing branch pipes to provide hot water for places needing hot water.
Description
Technical Field
The invention relates to the technical field of ship seawater desulfurization, in particular to ship seawater desulfurization equipment with energy recovery function.
Background
A ship is a man-made vehicle that operates primarily in geographic water. In addition, a civil ship is generally called a ship, a military ship is called a ship, and a small-sized ship is called a boat or a boat, which is collectively called a ship or a boat. The interior mainly comprises a containment space, a support structure and a drainage structure, with a propulsion system using an external or self-contained energy source. The appearance is generally favorable for overcoming the streamline envelope of the fluid resistance, the materials are continuously updated along with the technological progress, the early materials are natural materials such as wood, bamboo, hemp and the like, and the modern materials are mostly steel, aluminum, glass fiber, acrylic and various composite materials.
The seawater flue gas desulfurization of ships is a desulfurization process for absorbing SO2 in flue gas by using natural alkalinity of seawater. As rainwater brings alkaline substances (carbonate) of the land rock stratum into the sea, natural seawater is alkaline generally, the pH value is generally more than 7, the main components of the seawater are chloride, sulfate and a part of soluble carbonate, and the natural alkalinity is about 1.2-2.5 mmol/L in terms of bicarbonate (HCO3-), SO that the seawater has natural acid-base buffering capacity and capacity of absorbing SO 2. 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.
When the ship flue gas desulfurization is carried out, a large amount of heat in the flue gas is absorbed by seawater, the energy is wasted due to direct emission, and when the seawater flows, the seawater is usually directly emitted after treatment, so that the kinetic energy is wasted, and the energy is wasted.
Disclosure of Invention
The invention aims to provide ship seawater desulfurization equipment with energy recovery, and the ship seawater desulfurization equipment is used for solving the problems that a large amount of heat in flue gas is absorbed by seawater and directly discharged to cause energy waste when the flue gas of a ship is desulfurized in the background art, and kinetic energy of the flue gas is wasted and energy is wasted when the seawater is directly discharged after being treated and flows.
In order to achieve the purpose, the invention provides the following technical scheme: a ship seawater desulfurization device with energy recovery comprises a water storage tank, a desulfurization tank, a smoke inlet, a smoke outlet centralized cover, a smoke outlet pipe, a water inlet and a water outlet, wherein the water inlet is connected to the bottom end of the water storage tank, the upper side of the left side wall of the water storage tank is connected with a filling port, the bottom end of the water inlet is connected with the left side of the upper surface of the desulfurization tank, the smoke inlet is connected to the lower side of the left side wall of the desulfurization tank, the smoke outlet centralized cover is connected to the right side of the upper surface of the desulfurization tank, the smoke outlet pipe is connected to the middle part of the upper surface of the smoke outlet centralized cover, the water outlet is connected to the right side of the lower surface of the desulfurization tank, the water inlet extends to the inner cavity of the desulfurization tank, the bottom end of the water inlet is connected with a dispersion nozzle, the dispersion nozzle is positioned in the inner cavity of the desulfurization tank, the dispersion plate is evenly provided with dispersion holes, the bottom end of the water outlet is connected with a hydraulic power generation device through a flange, a bottom outlet of the hydraulic power generation device is connected with a dispersion branch flow pipe through a flange, and a pipeline of the dispersion branch flow pipe is provided with a control valve.
Preferably, the upper surface and the lower surface of digester all are the slope form, the upper surface left end height of digester is less than the height of right-hand member, the lower surface left end height of digester is higher than the height of right-hand member.
Preferably, a stop switch valve is arranged on the pipeline of the water inlet.
Preferably, the smoke outlet concentration cover is in a folded shape with a small upper part and a big lower part.
Preferably, the pipeline of the smoke outlet pipe is provided with smoke detection equipment, and the smoke detection equipment is sulfur content detection equipment.
Preferably, the lower surface of the dispersion nozzle is in a downward convex arc shape.
Preferably, the dispersion plate is made of polyethylene.
Preferably, the stroke top dead center of the dispersion plate is lower than the height of the dispersion spray head, and the bottom dead center of the dispersion plate is higher than the height of the lower surface of the inner cavity of the desulfurization tank.
Compared with the prior art, the invention has the beneficial effects that:
1) the direct coordination of the dispersion spray head, the dispersion plate and the driving cylinder can directly and fully mix the entering seawater and the flue gas, so that the flue gas and the seawater can be well mixed, and a better desulfurization effect is achieved;
2) the discharged seawater directly impacts the hydroelectric power generation equipment, so that the seawater is used as power for rotating a power generation impeller of the hydroelectric power generation equipment, the hydroelectric power generation equipment can be driven to generate power, the kinetic energy of the seawater is converted into electric energy, and the effect of energy recovery is achieved;
3) the seawater absorbing heat is output through the distributing branch pipes to provide hot water for places needing hot water.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing the internal structure of a desulfurization tank according to the present invention;
fig. 3 is a schematic structural diagram of a dispersion plate according to the present invention.
In the figure: the device comprises a water storage tank 1, a filling port 2, a desulfurizing tank 3, a smoke inlet 4, a smoke outlet 5, a smoke concentration cover 6, a smoke outlet pipe 6, a water outlet 7, hydraulic power generation equipment 8, a dispersion branch pipe 9, a control valve 10, a water inlet 11, a dispersion spray head 12, a driving cylinder 13, a dispersion plate 14, smoke detection equipment 15 and dispersion holes 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting 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 or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-3, the present invention provides a technical solution: a ship seawater desulfurization device with energy recovery comprises a water storage tank 1, a desulfurization tank 3, a smoke inlet 4, a smoke outlet centralized cover 5, a smoke outlet pipe 6, a water inlet 11 and a water outlet 7, wherein the water inlet 11 is connected to the bottom end of the water storage tank 1, the upper side of the left side wall of the water storage tank 1 is connected with a filling port 2, the bottom end of the water inlet 11 is connected with the left side of the upper surface of the desulfurization tank 3, the smoke inlet 4 is connected to the lower side of the left side wall of the desulfurization tank 3, the smoke outlet centralized cover 5 is connected to the right side of the upper surface of the desulfurization tank 3, the smoke outlet pipe 6 is connected to the middle part of the upper surface of the smoke outlet centralized cover 5, the water outlet 7 is connected to the right side of the lower surface of the desulfurization tank 3, seawater is sucked into the water storage tank 1 through the filling port 2 in advance through a pump body, the water storage tank 1 provides seawater for the desulfurization tank 3 through the water inlet 11, the seawater enters, the flue gas contacts with seawater to carry out reaction desulfurization, the reacted seawater is discharged through a water outlet 7, and the reacted flue gas is discharged through a flue gas outlet concentration cover 5 and a flue gas outlet pipe 6;
the water inlet 11 extends to the inner cavity of the desulfurizing tank 3, the bottom end of the water inlet 11 is connected with the dispersing nozzle 12, the dispersing nozzle 12 is positioned in the inner cavity of the desulfurizing tank 3, and the dispersing nozzle 12 disperses the entering seawater, so that the outflow area of the entering seawater is increased, the seawater can be in better contact with the entering flue gas, and the desulfurizing effect is improved;
a driving cylinder 13 is longitudinally installed in the middle of the upper surface of the desulfurizing tank 3, a dispersion plate 14 is screwed at the bottom end of a telescopic rod of the driving cylinder 13, dispersion holes 16 are uniformly formed in the dispersion plate 14, the driving cylinder 13 drives the dispersion plate 14 to longitudinally move through the telescopic rod, so that seawater and flue gas can be stirred up and down, the seawater and the flue gas are better contacted, the desulfurizing effect is improved, the dispersion holes 16 are convenient for sprinkling seawater on the dispersion plate 14, and the excessive water quantity on the dispersion plate 14 is avoided;
the bottom end of the water outlet 7 is connected with a hydroelectric generation device 8 through a flange, and the basic principle of hydroelectric generation is that the water level difference is utilized to be matched with a hydraulic generator to generate electric power, namely, the potential energy of water is converted into the mechanical energy of a water wheel, and then the mechanical energy is used for driving the generator to obtain the electric power;
the bottom outlet of the hydroelectric power generation device 8 is connected with a dispersion branch pipe 9 through a flange, a control valve 10 is installed on the pipeline of the dispersion branch pipe 9, the dispersion branch pipe 9 is correspondingly connected to the position according to the place where hot water is needed, and the control valve 10 on the dispersion branch pipe 9 is opened, so that the hot water can flow out.
SO in tail 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, and the seawater absorbs gaseous SO in the tail 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:
HSO3-+H+→H2CO3→CO2↑+H2O
while the neutralization reaction is carried out, a large amount of air is blown into the seawater for aeration, and the functions of the method mainly comprise: (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.
The upper surface and the lower surface of digester 3 all are the slope form, and the upper surface left end height of digester 3 is less than the height of right-hand member, and the lower surface left end height of digester 3 is higher than the height of right-hand member.
A stop switch valve is arranged on the pipeline of the water inlet 11.
The smoke-discharging concentration cover 5 is in a furling shape with a small upper part and a big lower part.
The pipeline of the smoke outlet pipe 6 is provided with smoke detection equipment 15, and the smoke detection equipment 15 is sulfur content detection equipment.
The lower surface of the dispersion nozzle 12 is formed in a downwardly convex arc shape.
The dispersion plate 14 is a polyethylene dispersion plate.
The upper dead point of the stroke of the dispersion plate 14 is lower than the height of the dispersion spray head 12, and the lower dead point is higher than the height of the lower surface of the inner cavity of the desulfurizing tank 3.
The working principle is as follows: seawater is pumped into the water storage tank 1 through the pump body, flue gas is pumped into the inner cavity of the desulfurizing tank 3 through the fan, the flow of the seawater in the water inlet 11 is controlled by a stop switch valve on the water inlet 11 according to the amount of the flue gas entering, and the functions of saving water and ensuring the desulfurizing efficiency are achieved;
seawater enters the desulfurizing tank 3 through the dispersing nozzle 12 in a dispersing way, the seawater is contacted and mixed with the flue gas to achieve the desulfurizing effect, the driving cylinder 13 drives the dispersing plate 14 to move up and down to drive the internal gas to flow, and the seawater and the flue gas have better contact desulfurizing effect;
the desulfurized flue gas is discharged through the flue gas outlet concentration cover 5 and the flue gas outlet pipe 6, the flue gas detection equipment 15 detects the sulfur content of the discharged flue gas, and judges whether the discharged flue gas meets the emission standard or not, and the flue gas meeting the emission standard is discharged, and the desulfurization is carried out again when the discharged flue gas does not meet the emission standard;
the seawater used for desulfurization is discharged through the water outlet 7, the seawater in contact with the flue gas is heated by the flue gas to be heated, and the heated seawater is output to each position needing hot water through the dispersing branch pipe 9.
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 (8)
1. The utility model provides a boats and ships sea water sweetener with energy recuperation, includes water storage tank (1), digester (3), advances mouth (4), goes out concentrated cover of cigarette (5), goes out tobacco pipe (6), water inlet (11) and delivery port (7), its characterized in that: the device is characterized in that the water inlet (11) is connected to the bottom end of the water storage tank (1), the upper side of the left side wall of the water storage tank (1) is connected with the filling port (2), the bottom end of the water inlet (11) is connected with the left side of the upper surface of the desulfurizing tank (3), the smoke inlet (4) is connected to the lower side of the left side wall of the desulfurizing tank (3), the smoke outlet centralized cover (5) is connected to the right side of the upper surface of the desulfurizing tank (3), the smoke outlet pipe (6) is connected to the middle part of the upper surface of the smoke outlet centralized cover (5), the water outlet (7) is connected to the right side of the lower surface of the desulfurizing tank (3), the water inlet (11) extends to the inner cavity of the desulfurizing tank (3), the bottom end of the water inlet (11) is connected with the dispersion spray head (12), the dispersion spray head (12) is positioned in the inner cavity of the desulfurizing tank (3), the utility model discloses a hydraulic power generation device, including drive actuating cylinder (13), drive telescopic link bottom spiro union of actuating cylinder (13) has dispersion board (14), evenly seted up dispersion hole (16) on dispersion board (14), there is hydroelectric power generation equipment (8) bottom through flange joint in the bottom of delivery port (7), there is dispersion lateral flow pipe (9) through flange joint in the bottom export of hydroelectric power generation equipment (8), install control flap (10) on the pipeline of dispersion lateral flow pipe (9).
2. The marine seawater desulfurization apparatus with energy recovery of claim 1, wherein: the upper surface and the lower surface of digester (3) all are the slope form, the upper surface left end height of digester (3) is less than the height of right-hand member, the lower surface left end height of digester (3) is higher than the height of right-hand member.
3. The marine seawater desulfurization apparatus with energy recovery of claim 1, wherein: a stop switch valve is arranged on the pipeline of the water inlet (11).
4. The marine seawater desulfurization apparatus with energy recovery of claim 1, wherein: the smoke-discharging concentration cover (5) is in a furling shape with a small upper part and a big lower part.
5. The marine seawater desulfurization apparatus with energy recovery of claim 1, wherein: and a flue gas detection device (15) is arranged on the pipeline of the smoke outlet pipe (6), and the flue gas detection device (15) is a sulfur content detection device.
6. The marine seawater desulfurization apparatus with energy recovery of claim 1, wherein: the lower surface of the dispersion spray head (12) is in a downward convex arc shape.
7. The marine seawater desulfurization apparatus with energy recovery of claim 1, wherein: the dispersion plate (14) is made of polyethylene.
8. The marine seawater desulfurization apparatus with energy recovery of claim 1, wherein: the stroke top dead center of the dispersion plate (14) is lower than the height of the dispersion spray head (12), and the bottom dead center is higher than the height of the lower surface of the inner cavity of the desulfurizing tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900909.5A CN110721586A (en) | 2019-09-23 | 2019-09-23 | Ship seawater desulfurization equipment with energy recovery function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910900909.5A CN110721586A (en) | 2019-09-23 | 2019-09-23 | Ship seawater desulfurization equipment with energy recovery function |
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| CN110721586A true CN110721586A (en) | 2020-01-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201880479U (en) * | 2010-09-15 | 2011-06-29 | 张步芳 | Seawater desulfurization device for boiler flue gas |
| US20130315811A1 (en) * | 2008-06-13 | 2013-11-28 | Sigan Peng | Ship flue gas scrubbing apparatus and method |
| CN207769508U (en) * | 2017-11-21 | 2018-08-28 | 江苏民生重工有限公司 | A kind of energy-efficient Deuslfurizing system for sea water |
| CN208465588U (en) * | 2018-03-23 | 2019-02-05 | 东方电气集团东方锅炉股份有限公司 | A kind of device using seawater removing flue gas middle and high concentration sulfur dioxide |
| CN109331657A (en) * | 2018-12-04 | 2019-02-15 | 江苏科技大学 | A kind of Deuslfurizing system for sea water and method for marine main engine tail gas |
-
2019
- 2019-09-23 CN CN201910900909.5A patent/CN110721586A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130315811A1 (en) * | 2008-06-13 | 2013-11-28 | Sigan Peng | Ship flue gas scrubbing apparatus and method |
| CN201880479U (en) * | 2010-09-15 | 2011-06-29 | 张步芳 | Seawater desulfurization device for boiler flue gas |
| CN207769508U (en) * | 2017-11-21 | 2018-08-28 | 江苏民生重工有限公司 | A kind of energy-efficient Deuslfurizing system for sea water |
| CN208465588U (en) * | 2018-03-23 | 2019-02-05 | 东方电气集团东方锅炉股份有限公司 | A kind of device using seawater removing flue gas middle and high concentration sulfur dioxide |
| CN109331657A (en) * | 2018-12-04 | 2019-02-15 | 江苏科技大学 | A kind of Deuslfurizing system for sea water and method for marine main engine tail gas |
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Application publication date: 20200124 |