CN110252096A - A kind of ship tail gas high efficiency desulphurization plant and its application method - Google Patents
A kind of ship tail gas high efficiency desulphurization plant and its application method Download PDFInfo
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- CN110252096A CN110252096A CN201910599733.4A CN201910599733A CN110252096A CN 110252096 A CN110252096 A CN 110252096A CN 201910599733 A CN201910599733 A CN 201910599733A CN 110252096 A CN110252096 A CN 110252096A
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- tail gas
- ship tail
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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
- B01D53/507—Sulfur oxides by treating the gases with other liquids
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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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- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
It is disclosed by the invention to belong to ship technical field of desulfurization, specially a kind of ship tail gas high efficiency desulphurization plant and its application method, including once desulfurization cylinder, ship tail gas air inlet pipe, extraction pipe, the ship tail gas air inlet pipe is arranged in the middle part of the one side wall of once desulfurization cylinder, the bottom end of the ship tail gas air inlet pipe is connected with escape pipe, the extraction pipe is connected to the side wall bottom end of once desulfurization cylinder, and steps are as follows: S1: wet process once desulfurization for the application method of the ship tail gas high efficiency desulphurization plant specifically used；S2: dry secondary desulfuration；S3: tail gas can be directly output in the doctor solution of once desulfurization cylinder lumen bottom by the tail gas after discharge desulfurization by the setting of escape pipe, can directly contact carry out desulfidation；By the jet-action of injection pipe and injector head, desulfurization powder is sprayed, so that desulfurization powder and ship tail gas directly carry out desulfidation, secondary desulfuration is acted on, and desulfurization is more thorough.
Description
Technical field
The present invention relates to ship technical field of desulfurization, specially a kind of ship tail gas high efficiency desulphurization plant and its user
Method.
Background technique
In world's cargo transport, sea transport occupies very big ratio.Ocean cargo transport have the traffic capacity it is big,
Freight volume is big, freight charges are cheap, to the adaptable of cargo, speed is lower, risk is larger the features such as.Currently, international trade is always transported
2/3rds or more in amount, the 90% of China's cargoes imported and exported transport total amount is all to utilize sea transport.
With the sharp increase of ships that transport quantity, ship discharge pollutants caused by atmospheric environment and marine environment pollution and
Harm is also on the rise.The tail gas of boat diesel engine burning and exhausting is mainly based on sulfur dioxide SO2 and nitrogen oxides NO2, root
It is shown according to International Maritime Organization (IMO) statistical data in 2014, it is total that the discharge of ship tail gas year SO2, NO2 account for about Global emissions respectively
The 13% and 15% of amount.Correlation report also indicates that it is total that atmosphere pollution caused by ship generation tail gas accounts for about entire atmosphere pollution
The 5%~11% of amount.
Existing desulphurization plant is not complete enough for ship tail gas desulfurization process, be easy to cause air after being drained into air
Pollution.
Summary of the invention
The purpose of the present invention is to provide a kind of ship tail gas desulfurization equipment and its application method, to solve above-mentioned background
The existing desulphurization plant proposed in technology is not complete enough for ship tail gas desulfurization process, be easy to cause sky after being drained into air
The problem of pollution of gas.
To achieve the above object, the invention provides the following technical scheme: a kind of ship tail gas high efficiency desulphurization plant, including
The side of once desulfurization cylinder is arranged in once desulfurization cylinder, ship tail gas air inlet pipe, extraction pipe, the ship tail gas air inlet pipe
In the middle part of wall, the bottom end of the ship tail gas air inlet pipe is connected with escape pipe, and the extraction pipe is connected to the side of once desulfurization cylinder
Wall bottom end is provided with filler pipe in the middle part of another side wall of the desulfurization cylinder, and the top of the once desulfurization cylinder is connected with
Escape pipe, the other end of the escape pipe are connected with secondary desulfuration cylinder, are connected with spray on the side wall of the secondary desulfuration cylinder
Pipe is penetrated, the bottom end of the secondary desulfuration cylinder is connected with storage bin, and the bottom of the storage bin is connected with efferent duct, the injection
It is connected between pipe and efferent duct by sucking jet pump, the injection pipe, which is located on one end of secondary desulfuration cylinder lumen, to be connected with
Injector head is provided with ship tail gas gas outlet at the top of the secondary desulfuration cylinder.
Preferably, plenum pump is provided on the pipeline of the ship tail gas air inlet pipe.
Preferably, the escape pipe is laterally arranged, and ship tail gas gas outlet is uniformly provided on the outer wall of escape pipe.
Preferably, suction pump is installed on the pipeline of the extraction pipe.
Preferably, the injector head in spherical and spherical injector head outer wall on be uniformly provided with jet port.
Preferably, the injector head is located at the upside of escape pipe Yu secondary desulfuration cylinder junction.
A kind of application method of ship tail gas high efficiency desulphurization plant, the user of the ship tail gas high efficiency desulphurization plant
Steps are as follows for method specifically used:
S1: wet process once desulfurization: ship tail gas is entered in escape pipe by ship tail gas air inlet pipe, and passes through escape pipe
Evenly dispersed output first passes through filler pipe injection doctor solution in once desulfurization cylinder lumen in advance, and the tail gas of doctor solution and input is mixed
It closes, carries out desulfidation, rise through escape pipe after tail gas and doctor solution effect and enter in secondary desulfuration cylinder；
S2: secondary desulfuration: sucking jet pump by efferent duct the doctor solution in storage bin extract and pass through injection pipe with
Injector head is ejected into secondary desulfuration cylinder, is contacted into the intracorporal tail gas of secondary desulfuration cylinder with doctor solution and is reached secondary desulfuration
Effect, doctor solution is fallen in storage bin under gravity, to desulfurization fluid exchange after reaction；
S3: the tail gas after discharge desulfurization: the tail gas after secondary desulfuration cylinder secondary desulfuration is gone out by ship tail gas
Port output.
Preferably, cooling is first passed through by the ship tail gas that ship tail gas air inlet pipe enters in escape pipe in advance in the S1,
And the temperature of ship tail gas is 30-200 DEG C after cooling down.
Preferably, the ship tail gas first passes through the cooling type of cooling for using circulating seawer in advance.
Compared with prior art, the beneficial effects of the present invention are:
1) by the setting of escape pipe, tail gas can be directly output to the doctor solution of once desulfurization cylinder lumen bottom
In, carry out desulfidation can be directly contacted, preliminary desulfidation is carried out to ship tail gas by way of once desulfurization, so that
A large amount of ship tail gas obtains desulfidation；
2) jet-action for passing through injection pipe and injector head, doctor solution is sprayed, so that doctor solution is direct with ship tail gas
Desulfidation is carried out, secondary desulfuration effect, desulfurization is more thorough, so that the discharge of ship tail gas meets the row of marine ships tail gas
Put standard.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ship tail gas high efficiency desulphurization plant of the present invention；
Fig. 2 is the schematic diagram of internal structure of secondary desulfuration cylinder of the present invention；
Fig. 3 is that the application method of ship tail gas high efficiency desulphurization plant of the present invention flows out figure.
In figure: 1 once desulfurization cylinder, 2 ship tail gas air inlet pipe, 3 escape pipes, 4 extraction pipes, 5 filler pipes, 6 escape pipes, 7
Secondary desulfuration cylinder, 8 injection pipes, 9 storage bins, 10 efferent ducts, 11 ship tail gas gas outlets, 12 injector heads.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment:
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of ship tail gas high efficiency desulphurization plant, including one
The side of once desulfurization cylinder 1 is arranged in secondary desulfurization cylinder 1, ship tail gas air inlet pipe 2, extraction pipe 4, ship tail gas air inlet pipe 2
In the middle part of wall, the tail gas of ship passes through primary filtration, filters impurity and dust therein, the tail gas of high temperature enters once desulfurization cylinder
Tail gas is discharged to the doctor solution stored in advance in once desulfurization cylinder 1 by escape pipe 3 by 1 inner cavity, once desulfurization cylinder 1
In, using seawater as doctor solution, seawater desulfurizing process is reach removing sulfur dioxide in flue gas using the basicity of seawater one
Kind sulfur method.In desulfuration absorbing tower, a large amount of seawater spraying washings enter the coal-fired flue-gas in absorption tower, the dioxy in flue gas
Change sulphur to be removed by Absorption by Sea Water, purified flue gas is discharged through demister demisting, after flue gas heat-exchange unit heats.Absorb dioxy
After seawater and a large amount of undesulfured sea water mixings after changing sulphur, through aeration tank Air Exposure, it is oxidized into SO32- therein
Stable SO42-, and the pH value of seawater and COD adjustment is made to reach discharge standard heel row amplification sea.
The bottom end of ship tail gas air inlet pipe 2 is connected with escape pipe 3, and tail gas is evenly spread in doctor solution, made by escape pipe 3
It is longer with doctor solution time of contact to obtain it, contact is more abundant, and desulfurization effect is more；
Extraction pipe 4 is connected to the side wall bottom end of once desulfurization cylinder 1, is provided in the middle part of another side wall of desulfurization cylinder 1
Filler pipe 5 after doctor solution use, is taken out by filler pipe 5 to doctor solution is supplemented in once desulfurization cylinder 1 by extraction pipe 4
Out；
The top of once desulfurization cylinder 1 is connected with escape pipe 6, and the other end of escape pipe 6 is connected with secondary desulfuration cylinder 7,
Injection pipe 8 is connected on the side wall of secondary desulfuration cylinder 7, the bottom end of secondary desulfuration cylinder 7 is connected with storage bin 9, storage bin 9
Bottom is connected with efferent duct 10, is connected between injection pipe 8 and efferent duct 10 by sucking jet pump, and injection pipe 8 is located at secondary de-
Injector head 12 is connected on one end of 7 inner cavity of sulphur cylinder, the top of secondary desulfuration cylinder 7 is provided with ship tail gas gas outlet 11,
Doctor solution is stored in advance in storage bin 9, doctor solution is extracted and passed through out injection pipe 8 and injection by efferent duct 10 by sucking jet pump
First 12 spray, so that doctor solution is uniformly sprayed at the inner cavity of secondary desulfuration cylinder 7, what doctor solution and once desulfurization herein used
Doctor solution is identical.
Plenum pump is provided on the pipeline of ship tail gas air inlet pipe 2.
The laterally setting of escape pipe 3, and ship tail gas gas outlet is uniformly provided on the outer wall of escape pipe 3, uniform ship
Tail gas gas outlet enables tail gas to evenly spread in doctor solution.
It extracts out and suction pump is installed on the pipeline of pipe 4, by the setting of suction pump, doctor solution after can be improved use
Extract rate out.
Injector head 12 is in jet port is uniformly provided on the outer wall of spherical and spherical injector head 12, so that is sprayed is de-
Sulphur liquid can eject around phase so that doctor solution uniformly sprays, so as to the better contact desulfuriation of tail gas
Effect.
Injector head 12 is located at the upside of escape pipe 6 Yu 7 junction of secondary desulfuration cylinder, enable rise tail gas and spray
The doctor solution of injection sprays contact.
Steps are as follows for the application method of the ship tail gas high efficiency desulphurization plant specifically used:
S1: wet process once desulfurization: ship tail gas is entered in escape pipe 3 by ship tail gas air inlet pipe 2, and passes through outlet
The evenly dispersed output of pipe 3 first passes through filler pipe 5 in 1 inner cavity of once desulfurization cylinder in advance and injects doctor solution, the tail of doctor solution and input
Gas mixing carries out desulfidation, rises through escape pipe 6 after tail gas and doctor solution effect and enter in secondary desulfuration cylinder 7；
S2: secondary desulfuration: the doctor solution in storage bin 9 is extracted out by efferent duct 10 and passes through injection pipe by sucking jet pump
8 and injector head 12 be ejected into secondary desulfuration cylinder 7, contacted into the tail gas in secondary desulfuration cylinder 7 with doctor solution and reach two
The effect of secondary desulfurization, doctor solution is fallen in storage bin 9 under gravity, to desulfurization fluid exchange after reaction；
S3: the tail gas after discharge desulfurization: the tail gas after 7 secondary desulfuration of secondary desulfuration cylinder is gone out by ship tail gas
Port 11 exports.
Cooling is first passed through by the ship tail gas that ship tail gas air inlet pipe 2 enters in escape pipe 3 in advance in S1, and ship after cooling down
The temperature of vessel exhaust is 30-200 DEG C, and ship tail gas first passes through the cooling type of cooling for using circulating seawer in advance, and seawater is extracted out,
Ship tail gas is carried out to pre-cool effect, and the circulation of seawater extracts out and is discharged into sea again, it can be quickly to ship tail
Gas carries out cooling effect.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms；Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
Interior, any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of ship tail gas high efficiency desulphurization plant, including once desulfurization cylinder (1), ship tail gas air inlet pipe (2), extraction pipe
(4), it is characterised in that: ship tail gas air inlet pipe (2) setting is in the middle part of the one side wall of once desulfurization cylinder (1), the ship
The bottom end of vessel exhaust air inlet pipe (2) is connected with escape pipe (3), and the extraction pipe (4) is connected to the side wall of once desulfurization cylinder (1)
Bottom end is provided with filler pipe (5) in the middle part of another side wall of the desulfurization cylinder (1), the top of the once desulfurization cylinder (1)
It is connected with escape pipe (6), the other end of the escape pipe (6) is connected with secondary desulfuration cylinder (7), the secondary desulfuration cylinder
(7) it is connected on side wall injection pipe (8), the bottom end of the secondary desulfuration cylinder (7) is connected with storage bin (9), the storing
The bottom in storehouse (9) is connected with efferent duct (10), is connect between the injection pipe (8) and efferent duct (10) by sucking jet pump,
The injection pipe (8), which is located on one end of secondary desulfuration cylinder (7) inner cavity, is connected with injector head (12), the secondary desulfuration cylinder
(7) ship tail gas gas outlet (11) are provided at the top of.
2. a kind of ship tail gas high efficiency desulphurization plant according to claim 1, it is characterised in that: the ship tail gas into
Plenum pump is provided on the pipeline of tracheae (2).
3. a kind of ship tail gas high efficiency desulphurization plant according to claim 1, it is characterised in that: the escape pipe (3)
Laterally setting, and ship tail gas gas outlet is uniformly provided on the outer wall of escape pipe (3).
4. a kind of ship tail gas high efficiency desulphurization plant according to claim 1, it is characterised in that: (4) are managed in the extraction
Pipeline on suction pump is installed.
5. a kind of ship tail gas high efficiency desulphurization plant according to claim 1, it is characterised in that: the injector head (12)
Jet port is uniformly provided on outer wall in spherical and spherical injector head (12).
6. a kind of ship tail gas high efficiency desulphurization plant according to claim 1, it is characterised in that: the injector head (12)
Positioned at the upside of escape pipe (6) and secondary desulfuration cylinder (7) junction.
7. a kind of application method of the ship tail gas high efficiency desulphurization plant as described in -6 any one according to claim 1,
Be characterized in that: steps are as follows for the application method of the ship tail gas high efficiency desulphurization plant specifically used:
S1: once desulfurization: ship tail gas is entered in escape pipe (3) by ship tail gas air inlet pipe (2), and passes through escape pipe
(3) evenly dispersed output first passes through filler pipe (5) injection doctor solution, doctor solution and input in once desulfurization cylinder (1) inner cavity in advance
Tail gas mixing, carry out desulfidation, rise through escape pipe (6) into secondary desulfuration cylinder after tail gas and doctor solution effect
(7) in；
S2: secondary desulfuration: the doctor solution in storage bin (9) is extracted out by efferent duct (10) and passes through injection pipe by sucking jet pump
(8) it is ejected into secondary desulfuration cylinder (7) with injector head (12), is connect into the tail gas in secondary desulfuration cylinder (7) with doctor solution
Touching has the function that secondary desulfuration, and doctor solution is fallen in storage bin (9) under gravity, to desulfurization fluid exchange after reaction；
S3: the tail gas after discharge desulfurization: ship tail gas outlet will be passed through by the tail gas after secondary desulfuration cylinder (7) secondary desulfuration
Mouth (11) output.
8. a kind of application method of ship tail gas high efficiency desulphurization plant according to claim 7, it is characterised in that: described
Cooling is first passed through by the ship tail gas that ship tail gas air inlet pipe (2) enter in escape pipe (3) in advance in S1, and ship tail after cooling down
The temperature of gas is 30-200 DEG C.
9. a kind of application method of ship tail gas high efficiency desulphurization plant according to claim 8, it is characterised in that: described
Ship tail gas first passes through the cooling type of cooling for using circulating seawer in advance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910599733.4A CN110252096A (en) | 2019-07-04 | 2019-07-04 | A kind of ship tail gas high efficiency desulphurization plant and its application method |
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| CN201910599733.4A CN110252096A (en) | 2019-07-04 | 2019-07-04 | A kind of ship tail gas high efficiency desulphurization plant and its application method |
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| CN110721587A (en) * | 2019-09-23 | 2020-01-24 | 上海蓝魂环保科技有限公司 | Flue gas and seawater mixing device for seawater desulfurization of ship |
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| CN114733323A (en) * | 2022-04-20 | 2022-07-12 | 江苏俊华海洋工程装备有限公司 | Marine tail gas desulfurization system capable of utilizing seawater for energy saving and cooling |
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| CN114733323A (en) * | 2022-04-20 | 2022-07-12 | 江苏俊华海洋工程装备有限公司 | Marine tail gas desulfurization system capable of utilizing seawater for energy saving and cooling |
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Application publication date: 20190920 |
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