CN109289522A - A kind of marine internal combustion engine tail gas desulfurization denitration removal device - Google Patents
A kind of marine internal combustion engine tail gas desulfurization denitration removal device Download PDFInfo
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- CN109289522A CN109289522A CN201811398020.3A CN201811398020A CN109289522A CN 109289522 A CN109289522 A CN 109289522A CN 201811398020 A CN201811398020 A CN 201811398020A CN 109289522 A CN109289522 A CN 109289522A
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- level
- removal chamber
- fluid reservoir
- tail gas
- chamber
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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
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D2251/604—Hydroxides
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- 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
The invention discloses a kind of marine internal combustion engine tail gas desulfurization denitration removal devices of ship tail gas processing technology field, including tank body and the support plate for being mounted on tank base, the inner cavity two sides of tank body are respectively equipped with level-one removal chamber and second level removal chamber, level-one removes intracavitary top of chamber and is sequentially installed with three phase separator from top to bottom, spray tube and uniform board, the intracavity bottom that level-one removes chamber is equipped with liquid storage tank one, the rear wall of tank body is separately installed with fluid reservoir two and fluid reservoir three, the top of fluid reservoir two and fluid reservoir three is equipped with two groups of liquid feeding pumps being mounted on tank body, the intracavity bottom that second level removes chamber is equipped with liquid storage tank two, the one side wall of second level removal chamber is equipped with fluid reservoir one, the top of second level removal chamber is uniformly provided with exhaust port two, product after desulfurization is out of stock not can cause environmental pollution, it can direct emission through simple process, it is processed Journey can simultaneously be removed sulfide and nitride, denitrification efficiency can be met environmental requirements without security risk.
Description
Technical field
The present invention relates to ship tail gas processing technology field, specially a kind of marine internal combustion engine tail gas desulfurization denitration removal dress
It sets.
Background technique
With the development of international trade and shipping, discharging by the marine exhaust of fuel of oil product to current dirt
It contaminates increasingly severe.The particle for showing that annual global marine ships discharge to the data that International Maritime Organization provides according to Norway is dirty
Dye object total amount is equivalent to the half of Global Auto institute pm emission pollutant, 30% in the oxides of nitrogen gas that the whole world is discharged every year
Account for about the 4% of world's total emission volumn in marine ships, sulphur oxide gas.Ship atmosphere pollution, which has been arrived, can not be ignored
Stage, especially at harbour, the sea area that straits and some course lines are intensive, ship flow is big, the exhaust gas of ship discharge even at
For the primary pollution source of this area.Attention increasingly with countries in the world to environmental protection, the pollution of marine exhaust emission
Cause the concern that people are increasing.
The main method of oxysulfide removing has ammonia process, amine process, wet-type calcium, sodium alkali, citrate method etc..Nitrogen oxidation
The selective catalytic reduction method of main method, selective non-catalytic reduction method, non-selective catalytic reduction that object removes etc..
The characteristics of prior-art devices is the realization desulphurization and denitration function in two sets of incoherent devices.Although this each
From desulphurization denitration be attained by target contaminant effectively removed, but to by flue gas SO2 and NOX remove simultaneously simultaneously
The discharge standard for reaching country's permission, need to get up both system in combination independent, and system is respectively independent, desulphurization denitration
The huge area occupied of equipment volume is big, and the process flow of system is complicated, requires the control of whole system relatively high；Only
SCR and SNCR denitration use liquefied ammonia as reducing agent, and liquefied ammonia is major hazard source, and safety management is difficult, and fluctuation of service causes
The escape of ammonia will lead to discharge and emit white cigarette, form secondary pollution.
Based on this, the present invention devises a kind of marine internal combustion engine tail gas desulfurization denitration removal device, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of marine internal combustion engine tail gas desulfurization denitration removal devices, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: a kind of marine internal combustion engine tail gas desulfurization denitration removes
Device, including tank body and the support plate for being mounted on tank base, the inner cavity two sides of the tank body be respectively equipped with level-one removal chamber and
Second level removes chamber, is separated between the level-one removal chamber and second level removal chamber by sealing partition room, the bottom of the sealing partition
Portion is equipped with the water-through valve of connection level-one removal chamber and second level removal chamber；
The level-one removes intracavitary top of chamber and is sequentially installed with three phase separator, spray tube and uniform board from top to bottom, and described one
The one side wall of grade removal chamber is equipped with air inlet port, and the air inlet port is located at the lower section of uniform board, the level-one removal chamber
Intracavity bottom is equipped with liquid storage tank one, and the rear wall of the tank body is separately installed with fluid reservoir two and fluid reservoir three, the fluid reservoir
Two and the top of fluid reservoir three be equipped with two groups of liquid feeding pumps being mounted on tank body, the rear wall of the tank body is uniformly provided with and sprays
The feed liquor port that pipe is connected, the fluid reservoir two and liquid feeding pump are connected to setting, the level-one with feed liquor port by pipeline two
The upper surface of removal chamber is uniformly provided with exhaust port one；
The intracavity bottom of the second level removal chamber is equipped with liquid storage tank two, and the one side wall of the second level removal chamber is equipped with fluid reservoir
One, the fluid reservoir one is connected to by pipeline one with the inner cavity that second level removes chamber, and the top of the second level removal chamber is uniformly provided with
Exhaust port two.
Preferably, the fluid reservoir two is used to store the aqueous solution of sodium hypochlorite.
Preferably, the fluid reservoir three is used to store the aqueous solution of sodium hydroxide.
Preferably, the fluid reservoir one is used to store the aqueous solution of ammonium chloride.
Preferably, circulating pump is installed at the top of the support plate, the circulating pump by circulating line respectively with liquid storage
Pond one is connected to spray tube.
Preferably, equal discharge orifice is uniformly provided on the outer wall of the uniform board.
Preferably, the lower section of the fluid reservoir one is equipped with the bleed port being mounted on second level removal cavity outer wall.
Compared with prior art, the beneficial effects of the present invention are: the product after inventive desulfurization is out of stock will not make environment
At pollution, through simple process can direct emission, treatment process can simultaneously remove sulfide and nitride without security risk
It removes, occupied area is small, and one-time investment and operating cost are low, and denitrification efficiency can be met environmental requirements.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is rearview of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- tank body, 2- support plate, 3- level-one removal chamber, 4- second level removal chamber, 5- sealing partition, 6- water-through valve, 7- liquid storage tank one,
8- uniform board, 9- spray tube, 10- three phase separator, 11- air inlet port, 12- circulating pump, 13- circulating line, 14- exhaust port
One, 15- exhaust port two, 16- liquid storage tank two, 17- fluid reservoir one, 18- pipeline one, 19- fluid reservoir two, 20- fluid reservoir three,
21- feed liquor port, 22- pipeline two, 23- liquid feeding pump, 24- bleed port.
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 all other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of marine internal combustion engine tail gas desulfurization denitration removal dress
It sets, including tank body 1 and the support plate 2 for being mounted on 1 bottom of tank body, the inner cavity two sides of the tank body 1 are respectively equipped with level-one removal chamber 3
Remove chamber 4 with second level, be spaced apart between level-one removal chamber 3 and second level removal chamber 4 by sealing partition 5, the sealing every
The bottom of plate 5 is equipped with the water-through valve 6 of connection level-one removal chamber 3 and second level removal chamber 4；
Level-one removal 3 inner cavity top of chamber is sequentially installed with three phase separator 10, spray tube 9 and uniform board 8, institute from top to bottom
The one side wall for stating level-one removal chamber 3 is equipped with air inlet port 11, and the air inlet port 11 is located at the lower section of uniform board 8, and described one
The intracavity bottom of grade removal chamber 3 is equipped with liquid storage tank 1, and the rear wall of the tank body 1 is separately installed with fluid reservoir 2 19 and liquid storage
The top of tank 3 20, the fluid reservoir 2 19 and fluid reservoir 3 20 is equipped with two groups of liquid feeding pumps 23 being mounted on tank body 1, the tank
The rear wall of body 1 is uniformly provided with the feed liquor port 21 being connected with spray tube 9, and the fluid reservoir 2 19 and liquid feeding pump 23 pass through pipe
Road 2 22 is connected to setting with feed liquor port 21, and the upper surface of the level-one removal chamber 3 is uniformly provided with exhaust port 1；
The intracavity bottom of the second level removal chamber 4 is equipped with liquid storage tank 2 16, and the one side wall of the second level removal chamber 4 is equipped with liquid storage
Tank 1, the fluid reservoir 1 are connected to by pipeline 1 with the inner cavity that second level removes chamber 4, the top of the second level removal chamber 4
Portion is uniformly provided with exhaust port 2 15.
Wherein, the fluid reservoir 2 19 is used to store the aqueous solution of sodium hypochlorite, and the fluid reservoir 3 20 is for storing hydrogen
The aqueous solution of sodium oxide molybdena, the fluid reservoir 1 are used to store the aqueous solution of ammonium chloride, and the top of the support plate 2, which is equipped with, to be followed
Ring pump 12, the circulating pump 12 is connected to liquid storage tank 1 and spray tube 9 respectively by circulating line 13, outside the uniform board 8
Equal discharge orifice is uniformly provided on wall, the lower section of the fluid reservoir 1 is equipped with the bleed port being mounted on second level removal 4 outer wall of chamber
24。
One concrete application of the present embodiment are as follows: by by after marine internal combustion engine exhaust collection, from the air inlet port of tank body 1
11 enter the inside of level-one removal chamber 3 can be uniform under the action of uniform board 8 after tail gas enters in level-one removal chamber 3
Pass through, then start the liquid feeding pump 23 being connected with fluid reservoir 2 19 and fluid reservoir 3 20, liquid feeding pump 23 will be located at fluid reservoir
The aqueous solution of sodium hypochlorite in 2 19 and the sodium hydrate aqueous solution in fluid reservoir 3 20 are pumped into level-one removal chamber 3
Inside, and tail gas is sprayed by stuff-spraying pipe 9, the specific out of stock principle of desulfurization is as follows:
Following reaction occurs for NO and NO2 in tail gas:
NO+NaClO → NO2+NaCl, NaOH+NO2 → Na2NO3+NaNO2+H2O；
Following reaction occurs for SO2 in tail gas:
SO2+NaClO→Na2SO4+NaCl；
After flue gas is reacted with spray liquid, the fixation of nitrogen and element sulphur in flue gas is realized；
Solution after reaction can fall in the inside of liquid storage tank 1, and it is extra in liquid storage tank 1 on the one hand will to be located at by circulating pump 12
Reactant re-use, by spray tail gas is handled, avoid the waste of resource, on the other hand, start water-through valve 6,
Solution in liquid storage tank 1 after reaction is passed into the inside of second level removal chamber 4, is gone to nitric acid in solution and nitrite
It removes, concrete principle is as follows:
The solution that desulphurization denitration tower bottom tends to saturation is passed through into second level removal chamber 4, it is mixed with ammonium chloride solution, sends out
Raw following reaction:
NaNO2+NH4Cl → N2+NaCl+H2O, Na2NO3+NH4Cl → N2+NaCl+H2O；
The processing of chamber 3 and second level removal chamber 4 is removed by level-one, will carry out reaction removal containing pollutants such as sulphur, nitre, most throughout one's life
The nitrogen of pairs of free of air pollution and to the free of contamination sodium chloride solution of water body, removes raw in chamber 3 and second level removal chamber 4 in level-one
At nitrogen pass through exhaust port 1 and exhaust port 15 respectively and be discharged, be equipped with three-phase separate positioned at the lower section of exhaust port 1
From device 10, the solid particle in dust is trapped in three phase separator 10, and the gas for guaranteeing that exhaust port 14 is discharged is pollution-free.
Product after inventive desulfurization is out of stock not can cause environmental pollution, through simple process can direct emission, process
Journey can simultaneously be removed sulfide and nitride, occupied area is small, one-time investment and operating cost without security risk
Low, denitrification efficiency can be met environmental requirements.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of marine internal combustion engine tail gas desulfurization denitration removal device, including tank body (1) and the support for being mounted on tank body (1) bottom
Plate (2), it is characterised in that: the inner cavity two sides of the tank body (1) are respectively equipped with level-one removal chamber (3) and second level removal chamber (4), institute
It states and is spaced apart between level-one removal chamber (3) and second level removal chamber (4) by sealing partition (5), the bottom of sealing partition (5)
The water-through valve (6) of connection level-one removal chamber (3) and second level removal chamber (4) is installed；
Described level-one removal chamber (3) inner cavity top is sequentially installed with three phase separator (10), spray tube (9) from top to bottom and is evenly distributed with
The one side wall of plate (8), level-one removal chamber (3) is equipped with air inlet port (11), and the air inlet port (11) is located at uniform board
(8) lower section, the intracavity bottom of level-one removal chamber (3) are equipped with liquid storage tank one (7), and the rear wall of the tank body (1) is distinguished
Fluid reservoir two (19) and fluid reservoir three (20) be installed, the top of the fluid reservoir two (19) and fluid reservoir three (20) is equipped with installation
Two groups of liquid feeding pumps (23) on tank body (1), the rear wall of the tank body (1) be uniformly provided be connected with spray tube (9) into
Liquid port (21), the fluid reservoir two (19) and liquid feeding pump (23) are connected to setting with feed liquor port (21) by pipeline two (22),
The upper surface of level-one removal chamber (3) is uniformly provided with exhaust port one (14)；
The intracavity bottom of second level removal chamber (4) is equipped with liquid storage tank two (16), the one side wall installation of second level removal chamber (4)
There is fluid reservoir one (17), the fluid reservoir one (17) is connected to by pipeline one (18) with the inner cavity of second level removal chamber (4), and described two
The top of grade removal chamber (4) is uniformly provided with exhaust port two (15).
2. a kind of marine internal combustion engine tail gas desulfurization denitration removal device according to claim 1, it is characterised in that: the storage
Flow container two (19) is used to store the aqueous solution of sodium hypochlorite.
3. a kind of marine internal combustion engine tail gas desulfurization denitration removal device according to claim 1, it is characterised in that: the storage
Flow container three (20) is used to store the aqueous solution of sodium hydroxide.
4. a kind of marine internal combustion engine tail gas desulfurization denitration removal device according to claim 1, it is characterised in that: the storage
Flow container one (17) is used to store the aqueous solution of ammonium chloride.
5. a kind of marine internal combustion engine tail gas desulfurization denitration removal device according to claim 1, it is characterised in that: the branch
Be equipped at the top of fagging (2) circulating pump (12), the circulating pump (12) by circulating line (13) respectively with liquid storage tank one (7)
It is connected to spray tube (9).
6. a kind of marine internal combustion engine tail gas desulfurization denitration removal device according to claim 1, it is characterised in that: described equal
Equal discharge orifice is uniformly provided on the outer wall of fabric swatch (8).
7. a kind of marine internal combustion engine tail gas desulfurization denitration removal device according to claim 1, it is characterised in that: the storage
The lower section of flow container one (17) is equipped with the bleed port (24) being mounted on second level removal chamber (4) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398020.3A CN109289522A (en) | 2018-11-22 | 2018-11-22 | A kind of marine internal combustion engine tail gas desulfurization denitration removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398020.3A CN109289522A (en) | 2018-11-22 | 2018-11-22 | A kind of marine internal combustion engine tail gas desulfurization denitration removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109289522A true CN109289522A (en) | 2019-02-01 |
Family
ID=65143681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811398020.3A Pending CN109289522A (en) | 2018-11-22 | 2018-11-22 | A kind of marine internal combustion engine tail gas desulfurization denitration removal device |
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| CN (1) | CN109289522A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0065584A1 (en) * | 1981-05-25 | 1982-12-01 | Steuler-Industriewerke GmbH | Process for the separation of air components, such as difficultly absorbable air impurities, out of air-gas mixtures |
| CN1843574A (en) * | 2006-03-29 | 2006-10-11 | 华北电力大学 | Liquid phase flue gas desulfurizing and denitrifying purification method and apparatus |
| CN104258711A (en) * | 2014-09-30 | 2015-01-07 | 上海援梦电力能源科技咨询中心 | Comprehensive treatment method for carrying out desulfurization, denitration, mercury removal and recycling on flue gas of boiler |
| CN107754599A (en) * | 2017-10-20 | 2018-03-06 | 山东中源节能环保科技有限公司 | A kind of high/low temperature gaseous recombination desulfurization denitration method |
| CN207614642U (en) * | 2017-10-20 | 2018-07-17 | 山东中源节能环保科技有限公司 | A kind of system suitable for high/low temperature gaseous recombination desulfurization denitration method |
-
2018
- 2018-11-22 CN CN201811398020.3A patent/CN109289522A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0065584A1 (en) * | 1981-05-25 | 1982-12-01 | Steuler-Industriewerke GmbH | Process for the separation of air components, such as difficultly absorbable air impurities, out of air-gas mixtures |
| CN1843574A (en) * | 2006-03-29 | 2006-10-11 | 华北电力大学 | Liquid phase flue gas desulfurizing and denitrifying purification method and apparatus |
| CN104258711A (en) * | 2014-09-30 | 2015-01-07 | 上海援梦电力能源科技咨询中心 | Comprehensive treatment method for carrying out desulfurization, denitration, mercury removal and recycling on flue gas of boiler |
| CN107754599A (en) * | 2017-10-20 | 2018-03-06 | 山东中源节能环保科技有限公司 | A kind of high/low temperature gaseous recombination desulfurization denitration method |
| CN207614642U (en) * | 2017-10-20 | 2018-07-17 | 山东中源节能环保科技有限公司 | A kind of system suitable for high/low temperature gaseous recombination desulfurization denitration method |
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