CN117703566A - Back pressure prevention type tail gas smoke elimination device and method for offshore wind turbine generator set - Google Patents
Back pressure prevention type tail gas smoke elimination device and method for offshore wind turbine generator set Download PDFInfo
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- CN117703566A CN117703566A CN202311785025.2A CN202311785025A CN117703566A CN 117703566 A CN117703566 A CN 117703566A CN 202311785025 A CN202311785025 A CN 202311785025A CN 117703566 A CN117703566 A CN 117703566A
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- Prior art keywords
- tail gas
- smoke abatement
- chamber
- back pressure
- smoke
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- 239000000779 smoke Substances 0.000 title claims abstract description 152
- 230000008030 elimination Effects 0.000 title claims abstract description 39
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000002265 prevention Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 238000011282 treatment Methods 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 14
- 239000013535 sea water Substances 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 92
- 230000009286 beneficial effect Effects 0.000 description 9
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a back pressure prevention type tail gas smoke abatement device and a back pressure prevention type tail gas smoke abatement method for an offshore wind turbine generator system, which are characterized in that a spraying mode is adopted for the first time, a water washing mode is further adopted, the depth of a connecting pipe fitting is controlled to be positioned below 50mm of the height of an overflow port in the water washing process, the tail gas purification effect is ensured, the cooling and purification treatment of the tail gas of the offshore wind turbine generator system at the temperature of 300-600 ℃ can be realized, and meanwhile, the blackening of the outer surfaces of pile legs and pile fixing frames and the pollution of the tail gas to air caused by black smoke in the tail gas are avoided. The smoke abatement method has low manufacturing and operation cost, high reliability and high operation rate; meanwhile, the height of the buffer chamber is 3 times of the diameter of the tail gas pipe of the engine, so that the space sectional area of the buffer chamber is far larger than the sectional area of the tail gas pipe, the problem that the back pressure of the engine is too large due to the air pressure problem when the tail gas is led into the smoke elimination chamber is avoided, the operation of the engine is influenced, and the normal operation of the engine is ensured while the tail gas is treated.
Description
The scheme is a divisional application taking an invention patent with the application date of 2018-1-30, the application number of 201810089414.4 and the name of tail gas smoke abatement device and method of an offshore wind power self-elevating type installation platform generator set as a mother case.
Technical Field
The invention relates to the technical field of ocean engineering, in particular to a tail gas smoke abatement device and method for a generator set of an offshore wind power jack-up type mounting platform.
Background
With the rapid development of international trade and ship transportation industry, the tonnage of ships is continuously increased, and the atmospheric pollution and the greenhouse effect caused by ship exhaust gas using petroleum products as fuel are highly valued worldwide. The tail exhaust of the marine diesel engine mainly comprises the following components: CO 2 +H 2 O+CO+NO X +SO 2 +C X H X More than 10 substances such as +PM, most of which are toxic to human beings, some of which are even carcinogenic substances, are subject to stricter regulations on emissions in countries around the world. At present, most marine diesel engines have specific emission requirements on tail gas, and the emission amounts of carbon dioxide (containing CO) and sulfur oxynitride are controlled within the allowable range of regulations. Therefore, the pollution of the tail gas to the atmosphere is mainly soot particles (namely common black smoke) and SO 2 Etc.
At present, the engine room of the offshore wind power installation vessel is arranged below a main deck in the middle of the hull, and a chimney is generally arranged at the side of a pile leg pile fixing frame, the height of the chimney is about 8 meters and is lower than the pile fixing frame; the untreated tail gas from the generator set, if discharged directly into the air through the top of the stack via the exhaust pipe and muffler, typically results in the following problems:
1. the exhaust gas of the generator set causes the outer surfaces of the pile leg and the pile fixing frame to be blackened;
2. the exhausted high-temperature gas influences the service life of the pile-fixing frame top equipment and the service life of the nearby paint surface;
3. the untreated tail gas causes pollution to the air;
4. the existing tail gas treatment device easily causes engine back pressure and affects engine efficiency.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the back pressure prevention type tail gas smoke elimination device and method for the offshore wind turbine generator set are provided, and the problem of engine back pressure is solved while the tail gas is treated.
In order to solve the technical problems, the invention adopts the following technical scheme:
the back pressure prevention type tail gas smoke elimination device of the offshore wind turbine generator comprises a buffer chamber, a smoke elimination chamber and a connecting pipe fitting, wherein one end of the connecting pipe fitting is connected with the lower part of the side wall of the buffer chamber, and the other end of the connecting pipe fitting is connected with the top of the smoke elimination chamber;
the upper part of the side wall of the buffer chamber is provided with an air inlet, the top of the buffer chamber is provided with a spraying mechanism, and the bottom of the buffer chamber is also provided with a discharge port;
the upper part of the side wall of the smoke elimination chamber is provided with a water inlet and an overflow port, the top is provided with an exhaust pipe, and the bottom is provided with a water drain port and a stop valve;
one end of the connecting pipe fitting connected with the smoke abatement chamber penetrates into the smoke abatement chamber from the top of the smoke abatement chamber;
the air inlet is connected with an external generator set through an exhaust pipe;
the height of the buffer chamber is 3 times of the drift diameter of the tail gas pipe;
one end of the connecting pipe fitting connected with the smoke abatement chamber penetrates into the smoke abatement chamber from the top of the smoke abatement chamber and is positioned at the height of 50mm below the overflow port.
In order to solve the technical problems, the invention adopts another technical scheme that:
the back pressure preventing tail gas eliminating device for marine wind power generator set has the following steps: s1, sequentially introducing the tail gas of the generator set into a buffer chamber and a smoke abatement chamber, and sequentially spraying the tail gas through the buffer chamber and washing the tail gas through the smoke abatement chamber by using cold seawater.
The invention has the beneficial effects that: the tail gas exhausted by the generator set (diesel engine) is directly sprayed by cold seawater and then is subjected to water washing treatment by a smoke abatement chamber, a spraying mode is adopted for the first time, a further water washing mode is adopted, the depth of a connecting pipe fitting is controlled to be positioned below 50mm of the height of an overflow port in the water washing process, the tail gas purifying effect is ensured, the cooling and purifying treatment of the generator set tail gas with the temperature of 300-600 ℃ can be realized, the influence of the direct exhaust of high-temperature gas on the equipment service life of the pile fixing frame top and the service life of the paint surface nearby is avoided, and meanwhile, the blackening of the outer surfaces of pile legs and the pile fixing frame and the pollution of the outer surfaces to air caused by black smoke in the tail gas are avoided. The smoke abatement method has low manufacturing and operation cost, high reliability and high operation rate;
meanwhile, the height of the buffer chamber is 3 times of the diameter of the tail gas pipe of the engine, so that the space sectional area of the buffer chamber is far larger than the sectional area of the tail gas pipe, the problem that the back pressure of the engine is too large due to the air pressure problem when the tail gas is led into the smoke elimination chamber is avoided, the operation of the engine is influenced, and the normal operation of the engine is ensured while the tail gas is treated.
Drawings
Fig. 1 is a schematic structural view of an exhaust gas smoke abatement device according to embodiments 1 to 2 of the present invention.
Description of the reference numerals:
1. a buffer chamber; 11. an air inlet; 12. a spraying mechanism; 13. a bleed port; 2. a smoke eliminating chamber;
21. a water inlet; 22. an overflow port; 23. an exhaust pipe; 24. a stop valve; 3. and connecting the pipe fittings.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: the tail gas is directly sprayed with cold seawater and then is washed by a smoke abatement chamber, so that the tail gas of the generator set can be cooled and purified, the influence of direct discharge of high-temperature gas on the service life of equipment on the top of the pile fixing frame and the service life of paint surfaces nearby the pile fixing frame is avoided, and meanwhile, the blackening of the outer surfaces of the pile legs and the pile fixing frame and the pollution of the pile fixing frame to air caused by black smoke in the tail gas are avoided; in addition, the space sectional area of the buffer chamber is far larger than the sectional area of the tail gas pipe, so that the problem of engine back pressure is solved.
The back pressure prevention type tail gas smoke elimination device of the offshore wind turbine generator comprises a buffer chamber, a smoke elimination chamber and a connecting pipe fitting, wherein one end of the connecting pipe fitting is connected with the lower part of the side wall of the buffer chamber, and the other end of the connecting pipe fitting is connected with the top of the smoke elimination chamber;
the upper part of the side wall of the buffer chamber is provided with an air inlet, the top of the buffer chamber is provided with a spraying mechanism, and the bottom of the buffer chamber is also provided with a discharge port;
the upper part of the side wall of the smoke elimination chamber is provided with a water inlet and an overflow port, the top is provided with an exhaust pipe, and the bottom is provided with a water drain port and a stop valve;
one end of the connecting pipe fitting connected with the smoke abatement chamber penetrates into the smoke abatement chamber from the top of the smoke abatement chamber;
the air inlet is connected with an external generator set through an exhaust pipe;
the height of the buffer chamber is 3 times of the drift diameter of the tail gas pipe;
one end of the connecting pipe fitting connected with the smoke abatement chamber penetrates into the smoke abatement chamber from the top of the smoke abatement chamber and is positioned at the height of 50mm below the overflow port.
From the above description, the beneficial effects of the invention are as follows: the tail gas is led in from the upper part of the buffer chamber and is leached by cold seawater, the leached and cooled tail gas and waste water are led out from the lower part of the buffer chamber, and then are led in from the top of the smoke abatement chamber to the height of an overflow port below 50mm, SO that the tail gas is ensured to be leached by cold seawater and then filtered and dissolved by cold seawater, most carbon smoke particles are settled, SO 2 The acid gas is neutralized, thereby realizing the cooling and smoke abatement treatment of the tail gas and reducing the pollution effect on the air.
Meanwhile, the height of the buffer chamber is 3 times of the diameter of the tail gas pipe of the engine, so that the space sectional area of the buffer chamber is far larger than the sectional area of the tail gas pipe, the problem that the back pressure of the engine is too large due to the air pressure problem when the tail gas is led into the smoke elimination chamber is avoided, the operation of the engine is influenced, and the normal operation of the engine is ensured while the tail gas is treated. On the other hand, the buffer chamber size of 3 times of the tail gas pipe diameter meets the space requirement of minimum pipeline installation and full spraying.
Preferably, the cross-sectional area of the outlet pipe (connecting pipe) of the buffer chamber should also be not smaller than the cross-sectional area of the inlet pipe.
Further, the air inlet is positioned at the 3/5-4/5 height of the buffer chamber, preferably at the 2/3 height.
Further, the water inlet and the overflow port are respectively positioned at the 3/5-4/5 height of the smoke abatement chamber, and preferably at the 2/3 height.
From the above description, the beneficial effects of the invention are as follows: the air inlet pipe is arranged at the 3/5-4/5 height of the buffer chamber, so that the range of air inlet can be ensured to be covered by the spray header, sprayed gas and water can flow into the smoke elimination chamber through the connecting pipe at the lower part, and secondary cooling and smoke elimination are performed; the water inlet and the overflow port of the smoke elimination chamber are respectively positioned at 3/5-4/5 of the two side walls, so that the tail gas is ensured to be fully contacted with the cold seawater of the smoke elimination chamber; the diameter of the overflow pipe is larger than that of the cold sea water inlet pipe, so that high-temperature washing water (containing shower water in a buffer chamber) can be cooled, filtered and dissolved, and can flow out of the overflow pipe.
Further, the water inlet and the overflow port are respectively positioned on two opposite side walls of the smoke abatement chamber, and the height of the water inlet is not lower than that of the overflow port.
From the above description, the beneficial effects of the invention are as follows: the connecting pipe fitting is penetrated into the lower part of the overflow port of the smoke abatement chamber, so that the tail gas is fully led into the lower part of the cold sea water surface, and is fully filtered and dissolved by the cold sea water.
Further, the smoke abatement chamber is located below the buffer chamber.
Further, the buffer chamber and the smoke abatement chamber are of equal size.
Further, the equal size of the buffer chamber and the smoke abatement chamber means that the length, width and height of the buffer chamber are equal to the corresponding smoke abatement chamber.
From the above description, the beneficial effects of the invention are as follows: the smoke elimination chamber is positioned below the buffer chamber, so that the sprayed gas and water can flow into the smoke elimination chamber through a connecting pipe at the lower part, and the smoke elimination chamber is subjected to secondary cooling and smoke elimination; meanwhile, the height of the smoke abatement chamber is 3 times of the diameter of the tail gas pipe, and the smoke abatement chamber is equal to the size of the buffer chamber correspondingly, so that the problem of exhaust back pressure of the diesel engine is solved.
In the invention, the heights of the air inlet, the water inlet and the overflow port are the heights of the central lines of the air inlet, the water inlet and the overflow port.
The back pressure prevention type tail gas smoke elimination method for the offshore wind power generator set utilizes the tail gas smoke elimination device of the offshore wind power self-elevating type installation platform generator set to eliminate smoke, and comprises the following steps: s1, sequentially introducing the tail gas of the generator set into a buffer chamber and a smoke abatement chamber, and sequentially spraying the tail gas through the buffer chamber and washing the tail gas through the smoke abatement chamber by using cold seawater.
From the above description, the beneficial effects of the invention are as follows: the tail gas exhausted by the generator set (diesel engine) is directly sprayed by cold seawater and then is washed by a smoke abatement chamber, and the cooling and purifying treatment of the tail gas of the generator set with the temperature of 300-600 ℃ can be realized through two washing treatments, so that the influence of the direct exhaust of high-temperature gas on the equipment life of the pile fixing frame top and the life of the paint surface nearby is avoided, and the blackening of the outer surfaces of the pile leg and the pile fixing frame and the pollution of the tail gas to air caused by black smoke in the tail gas are avoided. The smoke abatement method has low manufacturing and operation cost, high reliability and high operation rate.
Further, the cold seawater is water taken out of a conventional ocean.
Preferably, the temperature of the cold seawater is-2-30 ℃.
From the above description, the beneficial effects of the invention are as follows: the temperature of the cold sea water is-2-30 ℃, so that the tail gas can be rapidly cooled.
Preferably, the pH of the cold seawater is 8.1-8.3.
From the above description, the beneficial effects of the invention are as follows: the pH of the cold seawater is slightly alkaline, and acid gases such as sulfur dioxide in the tail gas can be absorbed and converted into harmless salt, so that a better purifying effect is achieved.
Further, the method also comprises a step S2 of discharging the tail gas after the water washing treatment of the smoke elimination chamber in the step S1 from the top of the smoke elimination chamber.
From the above description, the beneficial effects of the invention are as follows: and the tail gas after the water washing treatment overflows from water in the smoke abatement chamber and is discharged from the top of the smoke abatement chamber, so that the tail gas is sufficiently cooled and is eliminated.
The first embodiment of the invention is as follows: the back pressure prevention type tail gas smoke abatement device of the offshore wind turbine generator system is shown in figure 1, and comprises a buffer chamber 1, a smoke abatement chamber 2 and a connecting pipe fitting 3, wherein one end of the connecting pipe fitting 3 is connected with the lower part of the side wall of the buffer chamber 1, and the other end of the connecting pipe fitting is connected with the top of the smoke abatement chamber 2; an air inlet 11 is formed in the upper portion of the side wall of the buffer chamber 1, a spraying mechanism 12 is arranged at the top of the buffer chamber 1, and a discharge opening 13 is further formed in the bottom of the buffer chamber 1; the upper part of the side wall of the smoke abatement chamber 2 is provided with a water inlet 21 and an overflow port 22, the top is provided with an exhaust pipe 23, and the bottom is provided with a water drain port and a stop valve 24; one end of the connecting pipe fitting 3 connected with the smoke eliminating chamber 2 penetrates into the smoke eliminating chamber 2 from the top of the smoke eliminating chamber 2.
The air inlet 11 is connected with an external generator set through an exhaust pipe. The height of the buffer chamber 1 is 3 times of the drift diameter of the tail gas pipe. The diameter of the connecting pipe fitting 3 is consistent with the diameter of the tail gas pipe. The air inlet 11 is located at 3/5 of the height of the buffer chamber 1. The water inlet 21 and the overflow port 22 are respectively positioned at the 4/5 height of the smoke abatement chamber 2. The water inlet 21 and the overflow port 22 are respectively positioned on two opposite side walls of the smoke abatement chamber 2. The end of the connecting pipe fitting 3 connected with the smoke elimination chamber 2 penetrates into the smoke elimination chamber 2 from the top of the smoke elimination chamber 2 and is positioned at the height of 50mm below the overflow port 22. The smoke elimination chamber 2 is positioned 150mm below the buffer chamber 1. The buffer chamber 1 and the smoke abatement chamber 2 are of substantially equal size.
The method for carrying out smoke abatement treatment by utilizing the tail gas smoke abatement device of the offshore wind power jack-up type installation platform generator set comprises the following steps: s1, introducing tail gas of a generator set into a buffer chamber 1 through a tail gas pipe from an air inlet 11, spraying cold seawater with the temperature of 0 ℃ and the pH value of 8.1 sprayed by a spraying mechanism 12 in the buffer chamber 1, and then spraying carbon smoke particles and SO in the tail gas 2 Mixing the waste water and the tail gas after cooling, and introducing the tail gas and the waste water into a smoke eliminating chamber 2 through a connecting pipe, wherein a bleeder valve is normally closed, and the bleeder valve is opened only when the buffer chamber 1 is cleaned regularly, so that the water for cleaning the buffer chamber 1 is discharged to the bilge and bilge water for treatment; after the tail gas mixed water enters the smoke eliminating chamber 2, the tail gas mixed water is filtered and dissolved by the cold sea water in the smoke eliminating chamber 2, most of carbon smoke particles are settled, and acid gases such as sulfur dioxide and the like are discharged to the outside of the vehicle through the overflow port 22 after being in the water in the smoke eliminating chamber 2, and the tail gas after being washed by the cold sea water passes throughThe exhaust pipe 23 at the top of the smoke abatement chamber 2 is vented to atmosphere. The stop valve 24 is also in a normally closed state, and is opened only when the smoke abatement chamber 2 is cleaned periodically, so that the water for cleaning the smoke abatement chamber 2 is discharged to the bilge and bilge water to be treated together. After the treatment by the method, the discharged tail gas has no black smoke, the temperature of the tail gas is obviously reduced, and the pollution of the tail gas to the atmosphere is greatly reduced.
The second embodiment of the invention is as follows:
the back pressure prevention type tail gas smoke abatement device of the offshore wind turbine generator comprises a buffer chamber 1, a smoke abatement chamber 2 and a connecting pipe fitting 3, wherein one end of the connecting pipe fitting 3 is connected with the lower part of the side wall of the buffer chamber 1, and the other end of the connecting pipe fitting is connected with the top of the smoke abatement chamber 2; an air inlet 11 is formed in the upper portion of the side wall of the buffer chamber 1, a spraying mechanism 12 is arranged at the top of the buffer chamber 1, and a discharge opening 13 is further formed in the bottom of the buffer chamber 1; the upper part of the side wall of the smoke abatement chamber 2 is provided with a water inlet 21 and an overflow port 22, the top is provided with an exhaust pipe 23, and the bottom is provided with a water drain port and a stop valve 24; one end of the connecting pipe fitting 3 connected with the smoke elimination chamber 2 penetrates into the smoke elimination chamber 2 from the top of the smoke elimination chamber 2 and penetrates into the position below the height of the overflow port 22.
The air inlet 11 is connected with an external generator set through an exhaust pipe. The height of the buffer chamber 1 is 3 times of the drift diameter of the tail gas pipe. The diameter of the connecting pipe fitting 3 is consistent with the diameter of the tail gas pipe. The air inlet 11 is located at 4/5 of the height of the buffer chamber 1. The water inlet 21 and the overflow port 22 are respectively positioned at the 4/5 height of the smoke abatement chamber 2. The water inlet 21 and the overflow port 22 are respectively positioned on two opposite side walls of the smoke abatement chamber 2. One end of the connecting pipe fitting 3 connected with the smoke elimination chamber 2 penetrates into the smoke elimination chamber 2 from the top of the smoke elimination chamber 2 and is positioned below 60mm of the height of the overflow port 22. The buffer chamber 1 and the smoke abatement chamber 2 are of substantially equal size.
The method for eliminating smoke by using the tail gas smoke eliminating device of the offshore wind power jack-up type installation platform generator set comprises the following steps: s1, the tail gas of the generator set is sequentially led into a buffer chamber 1 and a smoke abatement chamber 2, and the tail gas is sequentially sprayed and smoke abatement water-washed by cold seawater through the buffer chamber 1. The cold seawater is water taken out of a conventional ocean. The cold seawater temperature was 30 ℃. The pH of the cold seawater was 8.3. The method further comprises a step S2 of discharging the tail gas which is subjected to the water washing treatment of the smoke elimination chamber 2 in the step S1 from the top of the smoke elimination chamber 2.
In summary, the back pressure prevention type tail gas smoke abatement method and device for the offshore wind turbine generator set provided by the invention have the effects of smoke abatement, tail gas cooling and air pollution reduction.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (9)
1. The back pressure preventing type tail gas smoke abatement device of the offshore wind turbine generator system is characterized in that: the smoke abatement device comprises a buffer chamber, a smoke abatement chamber and a connecting pipe fitting, wherein one end of the connecting pipe fitting is connected with the lower part of the side wall of the buffer chamber, and the other end of the connecting pipe fitting is connected with the top of the smoke abatement chamber;
the upper part of the side wall of the buffer chamber is provided with an air inlet, the top of the buffer chamber is provided with a spraying mechanism, and the bottom of the buffer chamber is also provided with a discharge port;
the upper part of the side wall of the smoke elimination chamber is provided with a water inlet and an overflow port, the top is provided with an exhaust pipe, and the bottom is provided with a water drain port and a stop valve;
one end of the connecting pipe fitting connected with the smoke abatement chamber penetrates into the smoke abatement chamber from the top of the smoke abatement chamber;
the air inlet is connected with an external generator set through an exhaust pipe;
the height of the buffer chamber is 3 times of the drift diameter of the tail gas pipe;
one end of the connecting pipe fitting connected with the smoke abatement chamber penetrates into the smoke abatement chamber from the top of the smoke abatement chamber and is positioned at the height of 50mm below the overflow port.
2. The back pressure prevention type tail gas smoke abatement device for an offshore wind turbine generator system according to claim 1, wherein: the smoke abatement chamber is located at a position 150mm below the buffer chamber, and the buffer chamber and the smoke abatement chamber are equal in size.
3. The back pressure prevention type tail gas smoke abatement device for an offshore wind turbine generator system according to claim 1, wherein: the diameter of the connecting pipe fitting is consistent with that of the tail gas pipe.
4. The back pressure prevention type tail gas smoke abatement device for an offshore wind turbine generator system according to claim 1, wherein: the air inlet is positioned at the height of 3/5-4/5 of the buffer chamber.
5. The back pressure prevention type tail gas smoke abatement device for an offshore wind turbine generator system according to claim 1, wherein: the water inlet and the overflow port are respectively positioned at the height of 3/5-4/5 of the smoke abatement chamber.
6. The back pressure prevention type tail gas smoke abatement device for an offshore wind turbine generator system according to claim 5, wherein: the water inlet and the overflow port are respectively positioned on two opposite side walls of the smoke abatement chamber, and the height of the water inlet is not lower than that of the overflow port.
7. A back pressure prevention type tail gas smoke abatement method for an offshore wind turbine generator set is characterized by comprising the following steps of: smoke abatement by means of an exhaust smoke abatement device of a generator set of an offshore wind power jack-up type installation platform according to any one of claims 1 to 6, comprising the steps of: s1, sequentially introducing the tail gas of the generator set into a buffer chamber and a smoke abatement chamber, and sequentially spraying the tail gas through the buffer chamber and washing the tail gas through the smoke abatement chamber by using cold seawater.
8. The back pressure prevention type tail gas smoke abatement method for an offshore wind turbine generator set according to claim 7, wherein the back pressure prevention type tail gas smoke abatement method comprises the following steps: the pH of the cold seawater is 8.1-8.3.
9. The back pressure prevention type tail gas smoke abatement method for the offshore wind turbine generator system according to claim 8, wherein the back pressure prevention type tail gas smoke abatement method is characterized in that: and step S2, discharging the tail gas after the water washing treatment of the smoke abatement chamber in the step S1 from the top of the smoke abatement chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311785025.2A CN117703566A (en) | 2018-01-30 | 2018-01-30 | Back pressure prevention type tail gas smoke elimination device and method for offshore wind turbine generator set |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311785025.2A CN117703566A (en) | 2018-01-30 | 2018-01-30 | Back pressure prevention type tail gas smoke elimination device and method for offshore wind turbine generator set |
| CN201810089414.4A CN108487973B (en) | 2018-01-30 | 2018-01-30 | Tail gas smoke abatement device and method for offshore wind power self-elevating type installation platform generator set |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089414.4A Division CN108487973B (en) | 2018-01-30 | 2018-01-30 | Tail gas smoke abatement device and method for offshore wind power self-elevating type installation platform generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117703566A true CN117703566A (en) | 2024-03-15 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311785025.2A Pending CN117703566A (en) | 2018-01-30 | 2018-01-30 | Back pressure prevention type tail gas smoke elimination device and method for offshore wind turbine generator set |
| CN201810089414.4A Active CN108487973B (en) | 2018-01-30 | 2018-01-30 | Tail gas smoke abatement device and method for offshore wind power self-elevating type installation platform generator set |
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| JP4148176B2 (en) * | 2004-03-31 | 2008-09-10 | 三菱ふそうトラック・バス株式会社 | Fuel injection device |
| CN100408818C (en) * | 2006-03-20 | 2008-08-06 | 吴雄良 | Infrared purification apparatus of diesel engine exhaust gas and scouring method thereof |
| CN201635804U (en) * | 2009-08-31 | 2010-11-17 | 谢志强 | Smoke-removing and cooling machine for diesel generator set |
| GB201103349D0 (en) * | 2011-02-28 | 2011-04-13 | Oceanox Ltd | Exhaust scrubbing |
| KR20130017833A (en) * | 2011-08-12 | 2013-02-20 | 노미화 | Soot reduction apparatus |
| CN204283560U (en) * | 2014-10-20 | 2015-04-22 | 山东临工工程机械有限公司 | Underground loader exhaust gas processing device |
| CN204646370U (en) * | 2015-05-28 | 2015-09-16 | 潍柴发电设备有限公司 | Use for diesel engine exhaust gas processing device |
| CN105402008A (en) * | 2015-11-12 | 2016-03-16 | 瑞昌哥尔德发电设备(无锡)制造有限公司 | Purification treatment device for diesel generating set |
| CN206535332U (en) * | 2017-01-12 | 2017-10-03 | 四川维珍高新材料有限公司 | Environment-friendly metal wood shavings oven exhaust gas cleaner |
| CN206439089U (en) * | 2017-01-26 | 2017-08-25 | 江苏源圣空调设备制造有限公司 | Diesel generating set smoke elimination heat sink |
| CN206681818U (en) * | 2017-05-10 | 2017-11-28 | 黑龙江省计量检定测试院 | A kind of vehicle exhaust collection and treatment device |
| CN207813698U (en) * | 2018-01-30 | 2018-09-04 | 福建省福船海洋工程技术研究院有限公司 | Tail gas smoke abatement device of offshore wind power self-elevating mounting platform generator set |
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| CN108487973B (en) | 2024-01-19 |
| CN108487973A (en) | 2018-09-04 |
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