CN113477061A - Ship exhaust gas treatment system - Google Patents

Ship exhaust gas treatment system Download PDF

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Publication number
CN113477061A
CN113477061A CN202110840150.3A CN202110840150A CN113477061A CN 113477061 A CN113477061 A CN 113477061A CN 202110840150 A CN202110840150 A CN 202110840150A CN 113477061 A CN113477061 A CN 113477061A
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box
chamber
reaction
liquid
microorganism
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CN202110840150.3A
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CN113477061B (en
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张华斌
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Zhejiang Tianshi Shipbuilding Co ltd
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Zhejiang Tianshi Shipbuilding Co ltd
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—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
    • B01D53/504—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 device
    • 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
    • B01D53/52—Hydrogen sulfide
    • 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
    • B01D53/84—Biological processes
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Treating Waste Gases (AREA)

Abstract

The application relates to a ship waste gas treatment system, which relates to the field of waste gas treatment and comprises a spray tower, a storage tank, a microorganism box and a reaction box, wherein the spray tower is provided with a gas inlet and a gas outlet; the reaction box is communicated with the microorganism reaction box through an air inlet pipeline. The nozzle sprays out the SO in the alkali liquor, the alkali liquor and the waste gasxA chemical reaction occurs, thereby reducing SO in the exhaust gasxThen, liquid in the spray tower is conveyed into the microorganism box, sulfate reducing bacteria liquid is conveyed into the microorganism box to react to generate hydrogen sulfide, and the hydrogen sulfide enters the reaction box to react with the oxidation reaction liquid to obtain elemental sulfur precipitate, so that waste gas can be effectively utilized to a certain extent, the resource waste is reduced, certain environmental protection and energy saving effects are achieved, and the cost of waste gas treatment is reduced.

Description

Ship exhaust gas treatment system
Technical Field
The application relates to the field of exhaust-gas treatment, in particular to a ship exhaust-gas treatment system.
Background
With the development of economic globalization, international trade and ship transportation are rapidly developed, the use of ship transportation is more and more, heavy oil is required to be combusted during the running of ships, the exhaust emission of the ships is increased, and SO is contained in the exhaust generated by the shipsxOccupies a large specific gravity, SOxIs easy to combine with water in the air to form acid rain, acid mist, chemical smog and the like, is one of main substances causing air pollution, and has great harm to the ecological environment of the earth and the health of human beings. Therefore, the treatment system for the exhaust gas discharged by the ship power device is vigorously researched at home and abroad to adapt to the strict limit on the sulfur content of the ship fuel in the future.
For example, a Chinese patent with patent publication No. CN101757846B discloses a novel ship tail gas treatment device; it comprises the following steps: the device comprises a water pump, an electro-catalytic treatment unit, a storage tank, an atomization device, a gas-liquid reaction device, a solid-liquid separation device, a condensation reflux device, a waste gas inlet and a pump; the water outlet of the water pump is connected with the electro-catalytic treatment unit, the electro-catalytic treatment unit is connected with the storage tank, one end of the pump is connected with the storage tank, the other end of the pump is connected with the atomizing device, the atomizing device is connected with the liquid input end of the gas-liquid reaction device, the waste gas inlet is connected with the gas input end of the gas-liquid reaction device, the gas output end of the gas-liquid reaction device is connected with the condensation reflux device, the upper end of the condensation reflux device is provided with an exhaust port, the liquid output end of the gas-liquid reaction device is connected with the input end of the solid-liquid separation device, and the solid-liquid separation device is provided with a solid discharge port and a liquid discharge port.
According to the ship tail gas treatment device, the electro-catalytic device is used for converting seawater into active cleaning water, the active cleaning water is re-atomized into cleaning water mist to wash waste gas, and by adopting the ship tail gas treatment device, the energy consumption of the device is high, so that the treatment cost of the waste gas is high, and the improvement is needed.
Disclosure of Invention
In order to improve the higher problem of treatment cost of boats and ships emission waste gas, this application provides a boats and ships exhaust-gas treatment system.
The application provides a ship exhaust treatment system adopts following technical scheme:
a ship waste gas treatment system comprises a spray tower, a storage tank, a microorganism tank and a reaction box, wherein an air inlet and an air outlet are formed in the spray tower, the air inlet is used for communicating with an exhaust port of a ship, a nozzle is arranged in the spray tower and is communicated with the storage tank through a first pipeline, the storage tank is used for storing alkali liquor, a first driving pump is arranged on the first pipeline and is used for conveying the alkali liquor in the storage tank to the nozzle;
the microorganism box is communicated with the spray tower through a second pipeline, a second driving pump is arranged on the second pipeline and used for conveying liquid in the spray tower into the microorganism box, a bacteria liquid box is arranged on the microorganism box and is stored with sulfate reducing bacteria liquid, the bacteria liquid box is used for conveying the sulfate reducing bacteria liquid into the microorganism box, the microorganism box is communicated with the storage box through a third pipeline, a third driving pump is arranged on the third pipeline and is used for conveying the liquid in the microorganism box into the storage box;
and the reaction box is communicated with the microbial reaction box through an air inlet pipeline.
Through adopting above-mentioned technical scheme, when needs discharge waste gas, the alkali lye of controlling first driving pump in with the bin is carried to nozzle department, and alkali lye passes through the nozzle blowout, and the waste gas that boats and ships produced passes through the air inlet and gets into the spray column in, the SO in the waste gasxContacting with alkali solution and chemically reacting to generate bisulfite and sulfite, thereby reducing SO in the exhaust gasxThen the waste gas is discharged, SO that SO is reducedxThe pollution to the atmosphere is reduced, the influence of exhaust emission on the ecological environment is reduced, and a certain environment-friendly effect is achieved.
Then the second driving pump is controlled to convey the liquid in the spray tower into the microorganism box, at the moment, the liquid contains dissolved bisulfite and sulfite, then the bacteria liquid box is controlled to send sulfate reducing bacteria liquid into the microorganism box, the bisulfite and sulfite in the liquid are reduced into hydrogen sulfide by the sulfate reducing bacteria, the generated hydrogen sulfide enters the reaction box through an air inlet pipeline, the hydrogen sulfide and the oxidation reaction liquid in the reaction box are subjected to oxidation reaction to obtain elemental sulfur precipitate, the elemental sulfur precipitate is subsequently recovered, and the recovered elemental sulfur precipitate can be used for preparing fertilizers or metallurgy, so that waste gas can be effectively utilized to a certain extent, the utilization rate of heavy oil is improved, the resource waste is reduced, and a certain energy-saving effect is achieved.
The whole waste gas treatment process involves less power equipment, so the energy consumption is less, thereby the cost of waste gas treatment is reduced, and the sulfate reducing bacteria reduce the hydrosulfite and sulfite in the liquid into hydrogen sulfide and simultaneously generate alkaline products, after the sulfate reducing bacteria react for a period of time, the third driving pump is controlled to convey the liquid in the microorganism box to the storage tank, so that the alkali liquor can be supplemented, the use amount of the alkali liquor is reduced, and the cost of waste gas treatment is further reduced.
Preferably, a filter plate and a partition plate are arranged in the reaction box, the partition plate is positioned below the filter plate, a blocking plate is connected in the reaction box in a sliding manner and positioned above the filter plate, the blocking plate and the partition plate divide the interior of the reaction box into a reaction chamber, an accommodating chamber and a storage chamber, the reaction chamber, the accommodating chamber and the storage chamber are sequentially distributed from top to bottom, and the blocking plate slides to enable the reaction chamber and the accommodating chamber to be communicated or separated;
the outer side wall of the reaction box is provided with a discharge port communicated with the containing chamber, the reaction box is also detachably connected with a cover plate, the cover plate covers the discharge port, the partition plate comprises a fixed part arranged on the inner wall of the reaction box, an elastic part arranged on the fixed part and a moving part connected to the fixed part in a sliding manner, and the elastic part is tightly abutted to the moving part to enable the moving part to be tightly abutted to the inner wall of the reaction box.
Through adopting above-mentioned technical scheme, in the reaction box, hydrogen sulfide and oxidation reaction liquid take place to react and obtain the elemental sulfur sediment, the elemental sulfur sediment subsides on the filter plate under the action of gravity, it makes the reaction chamber separate with holding the room to remove the baffler, remove the removal portion after that and make the inner wall of removal portion and reaction box break away from, at this moment, hold indoor liquid and wear the filter plate under the action of gravity, and get into in the apotheca through the space between removal portion and the reaction box inner wall, the elemental sulfur sediment is detained on the filter plate, then dismantle the apron from the reaction box, can take out the elemental sulfur sediment on the filter plate through the discharge gate, it is more convenient to make to take out the elemental sulfur sediment, and can not influence going on of reaction in the reaction chamber when taking out.
Preferably, be provided with drive assembly on the reaction box, drive assembly including rotate connect in dwang in the reaction box, articulate in transfer line and output lever on the dwang, the transfer line with the output lever is located dwang axis of rotation's relative both sides respectively, just the transfer line is located the top of output lever, the one end that its articulated axis was kept away from to the transfer line stretches into in the reaction box and with the baffler corresponds the setting, the output lever butt in the removal portion.
By adopting the technical scheme, the transmission assembly is arranged, when the barrier plate slides to separate the reaction chamber from the containing chamber, the barrier plate extrudes the transmission rod to enable the transmission rod to move towards the direction far away from the interior of the reaction box, the transmission rod moves to drive the rotating rod to rotate, the rotating rod drives the output rod to move towards the direction close to the interior of the reaction box, and the output rod extrudes the moving part to enable the moving part to overcome the elasticity of the elastic piece to be separated from the inner wall of the reaction box, so that liquid in the containing chamber can enter the storage chamber; after the elemental sulfur on the filter plate is precipitated and has been got, and the apron covers the discharge gate again, remove the baffler and make the reaction chamber with hold the room intercommunication, at this moment, the baffler does not extrude the transfer line, the elastic component takes place to reset and promotes removal portion recovery normal position, removal portion extrusion output pole makes the output pole recovery normal position, and then separate and hold room and apotheca, it is more convenient and timely to make to separate and hold room and apotheca, the condition in the apotheca has all got into the apotheca has been reduced to liquid in the reaction chamber, be favorable to the reaction in the reaction chamber to continue to go on, make in the reaction chamber continuously generate elemental sulfur and precipitate.
Preferably, be provided with the space bar in the spray column, the space bar will spray column internal partitioning becomes spray room and placing chamber, the placing chamber is located spray room's below, the nozzle is located spray room, the second pipeline intercommunication the placing chamber with the microorganism room, the small opening has been seted up on the space bar, be equipped with a plurality of elastic diaphragm in the small opening, a plurality of elastic diaphragm are circumference along the internal perisporium and distribute and a plurality of the elastic diaphragm lid closes the small opening, the up end of space bar is provided with the filter screen, the filter screen lid closes the small opening.
By adopting the technical scheme, the device is provided with the leakage hole, the elastic membrane, the filter screen, the alkali liquor and the SOxThe liquid gradually accumulates on the partition plate due to the leak holes covered by the elastic membrane, SO that the liquid falling onto the partition plate and SO in the discharged waste gasxLonger contact time, more SOxReacting with alkali solution, i.e. SO absorbed by alkali solution falling onto the partition board under the same volumexSO absorbed by alkali liquor directly falling into the placing chamberxMore, the utilization ratio of alkali lye has been improved, liquid on the space bar is gathered more, the degree of depth of liquid is big more, make the pressure that elastic diaphragm received also big more, gather to certain degree of depth to liquid, a plurality of elastic diaphragm open downwards because of the pressure of liquid on the space bar, thereby make liquid get into and place indoorly, at this moment, the filter screen filters liquid, the dust that has mingled with in the waste gas and the condition that tiny particle impurity got into and placed indoorly have been reduced, be favorable to the follow-up to continue to handle liquid, and be favorable to the follow-up centralized processing to dust and tiny particle impurity.
Can be according to the size of nozzle, alkali lye is from the volume of spouting in the nozzle, adjust the size of small opening or elastic diaphragm for liquid falls to the indoor velocity of flow of placing after the elastic diaphragm opens and the blowout volume of alkali lye is unanimous, can make the liquid on the space bar can fall to placing indoorly when improving the alkali lye utilization ratio, and the liquid that reduces on the space bar is the less more or more circumstances more.
Preferably, the inside intercepting board that is provided with of microorganism case, the intercepting board with the inner wall concatenation of microorganism case is formed with antechamber and back chamber, first pipeline intercommunication the placing chamber with the antechamber, the back chamber with communicate through the fourth pipeline between the apotheca, be equipped with the fourth drive pump on the fourth pipeline, the fourth drive pump be used for with liquid in the apotheca is carried extremely in the back chamber, be equipped with the drain pipe on the fungus liquid case, the drain pipe stretches into in the microorganism case, be equipped with two liquid ends on the drain pipe, two liquid end respectively with the antechamber with the back chamber corresponds the setting.
Through adopting above-mentioned technical scheme, set up interception board and drain pipe, after the liquid that holds in the room falls to the apotheca, control fourth drive pump carries the liquid in the apotheca to the back indoor, except that elemental sulfur deposits in the resultant that hydrogen sulfide and oxidation reaction liquid reaction obtained, sulfate in addition, the sulfate can influence the formation that elemental sulfur deposits, the sulfate is more, the elemental sulfur that generates deposits less, the liquid in the reaction chamber of part passes through the cooperation of baffler and division board and removes in the apotheca, add new oxidation reaction liquid in the reaction chamber again, the content proportion of sulfate in the liquid in the reaction chamber has been reduced, thereby promote the formation that elemental sulfur deposits.
After the liquid in the placing chamber is conveyed into the rear chamber, the liquid box sends the sulfate reducing bacteria liquid into the rear chamber through the liquid outlet end on the liquid outlet pipe, and the sulfate reducing bacteria reduce sulfate in the liquid in the rear chamber into hydrogen sulfide, SO that the hydrogen sulfide entering the reaction chamber through the air inlet pipeline is increased, more elemental sulfur precipitates are favorably obtained, and the SO in the waste gas is further improvedxThe utilization of (1).
Preferably, be provided with the scraper blade on the apron, the scraper blade stretches into in the reaction box, the scraper blade including set up in guide part on the apron with set up in scrape on the guide part and get the portion, it is located to scrape the portion the guide part is kept away from the one end of apron and downward butt in the filter plate.
Through adopting above-mentioned technical scheme, set up the scraper blade, when taking out the apron, the apron drives the scraper blade and removes, scrapes a butt in the filter plate and then scrapes out with the simple substance sulphur deposit on the filter plate for it is more convenient to take out and hold indoor simple substance sulphur deposit.
Preferably, the outer side wall of the reaction box is rotatably connected with a connecting rod, the connecting rod is in threaded connection with a locking block, and the locking block is located on one side, far away from the reaction box, of the cover plate and abuts against the cover plate.
By adopting the technical scheme, the connecting rod and the locking block are arranged, after the cover plate covers the discharge hole, the connecting rod is rotated to enable the locking block on the connecting rod to be positioned on one side of the cover plate, which is far away from the reaction box, and then the locking block is twisted to enable the locking block to be tightly abutted against the cover plate, so that the cover plate can be positioned on the reaction box; when the cover plate is opened, the locking block is twisted to enable the locking block to be separated from the cover plate, then the connecting rod is rotated to enable the locking block and the cover plate to be staggered, the cover plate can be opened, and therefore the cover plate can be positioned and opened more conveniently.
Preferably, a bump is arranged on the outer side wall of the reaction box, a positioning block is rotatably connected to the bump, the positioning block can be positioned on the bump, when the blocking plate separates the reaction chamber from the accommodating chamber, the positioning block is positioned on one side of the blocking plate far away from the reaction box, and the positioning block rotates to enable the positioning block to be abutted against the blocking plate or staggered with the blocking plate.
Through adopting above-mentioned technical scheme, set up lug and locating piece, after the baffler separates the reaction chamber and holds the room, it makes the locating piece butt in the baffler and realizes the location to rotate the locating piece, can fix a position the baffler, it is more convenient to make location baffler, it takes place to remove to have reduced the baffler and makes the liquid in the reaction chamber continue to get into the condition in holding the room, it is more stable to make the baffler to the effect of separating of reaction chamber and holding the room, when needs intercommunication reaction chamber and holding the room, it makes locating piece and baffler stagger and realize the location to rotate the locating piece, can move the baffler towards the direction of keeping away from the reaction box.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when waste gas needs to be discharged, the nozzle sprays alkali liquor to ensure that the alkali liquor and SO in the waste gasxContact and react chemically, thereby reducing SO in the exhaust gasxThen the waste gas is discharged, SO that SO is reducedxThe pollution to the atmosphere is reduced, the influence of waste gas emission on the ecological environment is further reduced, and then the liquid in the spray tower is conveyed toIn the microorganism box, the sulfate reducing bacteria liquid is sent into the microorganism box to react to generate hydrogen sulfide, the hydrogen sulfide enters the reaction box to react with the oxidation reaction liquid to obtain elemental sulfur precipitate, the elemental sulfur precipitate is recovered subsequently, and the recovered elemental sulfur precipitate can be used for preparing fertilizer or used for metallurgy, so that waste gas can be effectively utilized to a certain extent, the utilization rate of heavy oil is improved, the resource waste is reduced, certain environmental protection and energy saving effects are achieved, and the cost of waste gas treatment is reduced;
2. through setting up the drive assembly, when the baffle plate slips and separates the reaction chamber and the accommodating chamber, the baffle plate extrudes the drive rod, the drive rod drives the rotating rod to rotate, the rotating rod drives the output rod to extrude the moving part to make the moving part break away from the inner wall of the reaction chamber, so that the liquid in the accommodating chamber enters the storage chamber, after the elemental sulfur deposit on the filter plate is taken out and the cover plate covers the discharge hole again, the baffle plate is moved to make the reaction chamber and the accommodating chamber communicate, the elastic part resets and pushes the moving part to restore the original position, and further the accommodating chamber and the storage chamber are separated, so that the accommodating chamber and the storage chamber are separated more conveniently and timely, the reaction in the reaction chamber is facilitated to continue, and the elemental sulfur deposit is continuously generated in the reaction chamber;
3. through the arrangement of the leakage holes, the elastic membrane and the filter screen, the alkali liquor and the SOxAfter contacting and reacting, the liquid falls onto the partition plate together and gradually accumulates on the partition plate, SO that the liquid and SOxLonger contact time, more SOxReact with alkali lye, improved the utilization ratio of alkali lye, gather to certain extent when liquid, a plurality of elastic diaphragm open downwards because of the atress is big for liquid gets into places indoorly, and filters liquid through the filter screen, is favorable to follow-up handling liquid.
Drawings
FIG. 1 is an overall schematic view of an embodiment of the present application;
FIG. 2 is a partial cutaway view of the spray tower of the embodiment of the present application, mainly showing the structure of the partition plate;
FIG. 3 is a partial schematic structural view of an embodiment of the present application, mainly illustrating the structure of the leak hole and the elastic membrane;
FIG. 4 is a partial cross-sectional view of the embodiment of the present application at the microorganism box, mainly showing the structure of the interception plate;
fig. 5 is a partial structural schematic view of the embodiment of the present application, mainly showing the structures of the bump, the positioning block, the connecting rod and the locking block;
fig. 6 is a structural diagram partially cut away at a reaction box according to an embodiment of the present application, and mainly shows a structure of a transmission assembly.
Description of reference numerals: 1. a spray tower; 11. a spray chamber; 111. a nozzle; 12. a placing chamber; 13. an air inlet; 14. an air outlet; 2. a storage tank; 3. a microbiological box; 31. a front chamber; 32. a rear chamber; 4. a reaction box; 41. a reaction chamber; 42. a housing chamber; 43. a storage chamber; 44. a discharge port; 5. a partition plate; 51. a leak hole; 511. an elastic diaphragm; 6. a first conduit; 61. a first drive pump; 7. filtering with a screen; 8. a interception plate; 9. a second conduit; 91. a second drive pump; 10. a bacteria liquid box; 101. a liquid outlet pipe; 1011. a liquid outlet end; 15. a third pipeline; 151. a third drive pump; 16. filtering the plate; 17. a barrier plate; 18. a partition plate; 181. a fixed part; 1811. accommodating grooves; 182. an elastic member; 183. a moving part; 19. a bump; 191. positioning blocks; 20. a cover plate; 21. a connecting rod; 211. a locking block; 22. a squeegee; 221. a guide portion; 2211. a through hole; 222. a scraping part; 23. a cavity; 24. a transmission assembly; 241. rotating the rod; 242. a transmission rod; 243. an output rod; 25. a fourth conduit; 251. a fourth drive pump; 26. an air inlet duct.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses boats and ships exhaust-gas treatment system. Referring to fig. 1, the marine exhaust gas treatment system includes a spray tower 1, a storage tank 2, a microorganism tank 3, and a reaction tank 4.
Referring to fig. 1 and 2, a partition plate 5 is fixed in the spray tower 1, the partition plate 5 partitions the interior of the spray tower 1 into a spray chamber 11 and a placing chamber 12, the spray chamber 11 is located above the placing chamber 12, and a nozzle 111 is fixed on the inner wall of the upper end of the spray chamber 11. Bin 2 is used for storing alkali lye, through 6 intercommunications of first pipeline between bin 2 and the nozzle 111, under the tip that first pipeline 6 is close to bin 2 stretched into the liquid level of alkali lye in the bin 2, is fixed with first driving pump 61 on the first pipeline 6, and first driving pump 61 is used for carrying the alkali lye in the bin 2 to nozzle 111 department, and the alkali lye is again through nozzle 111 blowout. In this example, the alkali solution was sodium hydroxide solution.
Referring to fig. 2, an air inlet 13 and an air outlet 14 are formed in the outer side wall of the spray tower 1, the air inlet 13 and the air outlet 14 are both communicated with the spray chamber 11, the air inlet 13 is located on one side of the nozzle 111, the air inlet 13 is used for communicating with an exhaust port of a ship, and the air outlet 14 is located on one side of the nozzle 111 far away from the air inlet 13.
Referring to fig. 2 and 3, the partition plate 5 is provided with a leakage hole 51, the leakage hole 51 communicates with the spray chamber 11 and the placing chamber 12, the upper end surface of the partition plate 5 is fixed with the filter screen 7, and the filter screen 7 covers the leakage hole 51. The inner wall of the leak hole 51 is fixed with a plurality of elastic membranes 511, the elastic membranes 511 are all located below the filter screen 7 and are circumferentially and uniformly distributed along the inner peripheral wall of the leak hole 51, adjacent elastic membranes 511 are mutually abutted, and the elastic membranes 511 together cover the leak hole 51 to seal the leak hole 51. Between the adjacent elastic membranes 511, the lower end surface of the end portion of one elastic membrane 511 close to the other elastic membrane 511 abuts against the upper end surface of the other elastic membrane 511. In this embodiment, the elastic membrane 511 is made of PVC.
In practical use, the first driving pump 61 is controlled to convey the alkali liquor in the storage tank 2 to the nozzle 111 and spray the alkali liquor out through the nozzle 111, and when the waste gas enters the spraying chamber 11 through the air inlet 13, the SO in the alkali liquor and the waste gasxThe liquid falls onto the spacing plate 5 after contacting and reacting, and the elastic membrane 511 covers the leakage hole 51, SO that the liquid is gradually accumulated on the spacing plate 5, the contact time of the liquid on the spacing plate 5 and SOx is longer, and more SO is facilitatedxReacting with alkali liquor.
When the liquid on the partition plate 5 is accumulated to a certain depth, the elastic membranes 511 are opened downwards due to the pressure of the liquid on the partition plate 5, so that the liquid enters the placing chamber 12, at the moment, the filter screen 7 filters the liquid, and the situation that dust and small particle impurities brought by waste gas mixed in the liquid enter the placing chamber 12 is reduced.
Referring to fig. 2 and 4, an interception plate 8 is fixed on the inner wall of the microorganism box 3, the interception plate 8 is vertically arranged, and the upper end of the interception plate 8 and the inner wall of the upper end of the microorganism box 3 are arranged at intervals. The interception plate 8 is spliced with the inner wall of the microorganism box 3 to form a front chamber 31 and a rear chamber 32, and the front chamber 31 and the rear chamber 32 are communicated only through a gap between the upper end of the interception plate 8 and the inner wall of the upper end of the microorganism box 3. The antechamber 31 and the placing chamber 12 are communicated through a second pipeline 9, a second driving pump 91 is fixed on the second pipeline 9, and the second driving pump 91 is used for conveying the liquid in the placing chamber 12 into the antechamber 31.
Referring to fig. 4, a bacteria liquid box 10 is fixed on the upper end surface of the microorganism box 3, sulfate reducing bacteria liquid is stored in the bacteria liquid box 10, a liquid outlet pipe 101 is fixed on the bacteria liquid box 10, the liquid outlet pipe 101 is a flexible pipe, the liquid outlet pipe 101 penetrates through the microorganism box 3 and extends into the microorganism box 3, two liquid outlet ends 1011 are arranged on the liquid outlet pipe 101, and the two liquid outlet ends 1011 are respectively arranged corresponding to the front chamber 31 and the rear chamber 32. In this embodiment, one of the liquid outlet ends 1011 of the liquid outlet pipe 101 is located above the front chamber 31, and the other liquid outlet end 1011 of the liquid outlet pipe 101 is located above the rear chamber 32. The bacteria liquid box 10 is used for sending the sulfate reducing bacteria liquid in the bacteria liquid box into the microorganism box 3 through the liquid outlet pipe 101. It should be noted that the liquid outlet pipe 101 is made of rubber, and in practical use, the liquid outlet pipe 101 can be clamped or loosened by a clamp, so as to control the outflow of the sulfate reducing bacteria liquid in the liquid outlet pipe 101.
Referring to fig. 1 and 4, the front chamber 31 is communicated with the storage tank 2 through a third pipeline 15, a third driving pump 151 is fixed on the third pipeline 15, and the third driving pump 151 is used for conveying the liquid reacted in the front chamber 31 to the storage tank 2.
After the liquid enters the placing chamber 12, the second driving pump 91 is controlled to convey the liquid in the placing chamber 12 to the front chamber 31, at this time, the liquid contains bisulfite and sulfite generated by reaction of alkali liquor and SOx, then the sulfate reducing bacteria liquid in the bacteria liquid box 10 is conveyed into the front chamber 31 through the liquid outlet pipe 101, the bisulfite and sulfite in the liquid are reduced into hydrogen sulfide by the sulfate reducing bacteria, meanwhile, sodium hydroxide is also generated, after the sulfate reducing bacteria react for a period of time, the third driving pump 151 is controlled to convey the liquid in the front chamber 31 to the storage tank 2, and then the alkali liquor can be supplemented.
Referring to fig. 5 and 6, a filter plate 16 is fixed in the reaction box 4, the filter plate 16 is horizontally disposed, a blocking plate 17 and a partition plate 18 are further disposed in the reaction box 4, the blocking plate 17 is located above the filter plate 16 and horizontally disposed, the blocking plate 17 is connected to the reaction box 4 in a sliding manner, the sliding direction of the blocking plate 17 is toward or away from the reaction box 4, the partition plate 18 is located below the filter plate 16, the blocking plate 17 and the partition plate 18 divide the interior of the reaction box 4 into a reaction chamber 41, a containing chamber 42 and a storage chamber 43, the reaction chamber 41, the containing chamber 42 and the storage chamber 43 are sequentially distributed from top to bottom, the filter plate 16 is located in the containing chamber 42, and the filter plate 16 and the blocking plate 17 are disposed at intervals. The reaction chamber 41 stores an oxidation reaction solution, in this embodiment, an iron chloride solution is used as the oxidation reaction solution. The reaction chamber 41 communicates with the inside of the microbial reaction chamber 4 through the air inlet duct 26.
Referring to fig. 5 and 6, the barrier plate 17 slides such that the reaction chamber 41 and the accommodating chamber 42 are communicated or separated, and when the barrier plate 17 separates the reaction chamber 41 and the accommodating chamber 42, one end of the barrier plate 17 is located outside the reaction chamber 4. Two lugs 19 are fixed on the outer side wall of the reaction box 4, the two lugs 19 are respectively positioned on two opposite sides of the blocking plate 17, each lug 19 is hinged with a positioning block 191, each positioning block 191 is a long strip block, each positioning block 191 is positioned at one end, far away from the reaction box 4, of each lug 19, the hinge axis of each positioning block 191 is parallel to the sliding direction of the corresponding blocking plate 17, and the positioning blocks 191 can be positioned on the lugs 19 through the friction resistance between the positioning blocks 191 and the lugs 19.
When the blocking plate 17 separates the reaction chamber 41 from the accommodating chamber 42, the positioning block 191 is located on the side of the blocking plate 17 away from the reaction chamber 4, the positioning block 191 is twisted to enable the positioning block 191 to abut against the blocking plate 17, so that the blocking plate 17 can be positioned on the reaction chamber 4, and when the blocking plate 17 needs to be removed to enable the reaction chamber 41 to be communicated with the accommodating chamber, the positioning block 191 is twisted to enable the positioning block 191 and the blocking plate 17 to be staggered, so that the blocking plate 17 can be moved.
Referring to fig. 5 and 6, the outer side wall of the reaction chamber 4 is provided with a discharge port 44, the discharge port 44 is communicated with the containing chamber 42, and the inner wall of the lower end of the discharge port 44 is lower than the upper end surface of the filter plate 16 or flush with the upper end surface of the filter plate 16. Can dismantle on reaction box 4 and be connected with apron 20, apron 20 is located the outside of reaction box 4 and covers the setting of closing discharge gate 44, rotates on the lateral wall of reaction box 4 and is connected with two connecting rods 21, and two connecting rods 21 are located apron 20 respectively and follow vertical relative both sides, and the axis of rotation of two connecting rods 21 all is vertical setting, and equal threaded connection has latch segment 211 on every connecting rod 21.
When the discharge gate 44 is closed to apron 20, two connecting rods 21 are rotated towards the direction that is close to apron 20, make the latch segment 211 on two connecting rods 21 be located apron 20 and keep away from one side of reaction box 4, then twist latch segment 211, make latch segment 211 support tightly can realize the location of apron 20 on reaction box 4 in apron 20, when apron 20 is taken off to needs, twist latch segment 211 and make latch segment 211 break away from apron 20, then rotate two connecting rods 21 and make latch segment 211 stagger with apron 20, can take off apron 20, apron 20 passes through the cooperation realization of connecting rod 21 and latch segment 211 and is connected with dismantling between the reaction box 4.
Referring to fig. 6, the scraper 22 is fixed on the cover plate 20, the scraper 22 includes a guiding portion 221 and a scraping portion 222, the guiding portion 221 is located on one side of the cover plate 20 close to the reaction chamber 4 and is fixedly connected with the cover plate 20, the guiding portion 221 is inserted into the discharge hole 44 and extends into the accommodating chamber 42, and the guiding portion 221 is located above the filter plate 16. The guide portion 221 is vertically provided with a through hole 2211 through which the liquid in the reaction chamber 41 passes.
Referring to fig. 6, the scraping portion 222 is located at one end of the guide portion 221 away from the cover plate 20 and below the guide portion 221, the scraping portion 222 is fixedly connected to the guide portion 221, and the scraping portion 222 abuts downward against the upper end surface of the filter plate 16. When the cover plate 20 moves, the cover plate 20 moves with the scraper 22, so that the scraping portion 222 scrapes the substances on the filter plate 16 through the outlet 44.
Referring to fig. 6, a cavity 23 is formed in the reaction chamber 4, the cavity 23 is located on one side of the accommodating chamber 42 far from the blocking plate 17 and penetrating out of the reaction chamber 4, a transmission assembly 24 is arranged on the reaction chamber 4, the transmission assembly 24 includes a rotating rod 241, a transmission rod 242 and an output rod 243, the rotating rod 241 is located in the cavity 23 and is rotatably connected to the reaction chamber 4, and a rotation axis of the rotating rod 241 is perpendicular to the sliding direction of the blocking plate 17 and is horizontally arranged.
Referring to fig. 6, the transmission rod 242 and the output rod 243 are respectively located at two opposite sides of the rotation axis of the rotation rod 241, the transmission rod 242 is located above the output rod 243, the transmission rod 242 is hinged to the rotation rod 241, the hinge axis of the transmission rod 242 is arranged parallel to the rotation axis of the rotation rod 241, the transmission rod 242 is located at one side of the rotation rod 241 close to the accommodating chamber 42 and penetrates through the reaction chamber 4, and the end of the transmission rod 242 away from the hinge axis thereof extends into the accommodating chamber 42 and is arranged corresponding to the blocking plate 17,
referring to fig. 6, the output rod 243 is hinged to the rotating rod 241, the hinge axis of the output rod 243 is arranged parallel to the rotation axis of the rotating rod 241, the output rod 243 is located at one side of the rotating rod 241 close to the accommodating chamber 42 and penetrates through the reaction chamber 4, and the end surface of the output rod 243 away from the hinge axis thereof is flush with the inner wall of the accommodating chamber 42. It is noted that the space between the output rod 243 and the reaction chamber 4 allows the output rod 243 to move, and the space between the driving rod 242 and the reaction chamber 4 allows the driving rod 242 to move.
Referring to fig. 6, the partition plate 18 includes a fixing portion 181, an elastic member 182, and a moving portion 183, the fixing portion 181 is located on a side of the accommodating chamber 42 away from the cavity 23 and is fixedly connected to an inner wall of the accommodating chamber 42, an accommodating groove 1811 is formed in an end surface of the fixing portion 181 close to the cavity 23, and the elastic member 182 is located in the accommodating groove 1811 and is fixedly connected to an inner wall of a groove bottom of the accommodating groove 1811. In this embodiment, the elastic member 182 is a spring.
Referring to fig. 6, the moving portion 183 is located on one side of the fixing portion 181 close to the cavity 23, an end portion of the moving portion 183 close to the fixing portion 181 is inserted into the receiving groove 1811 and abuts against the elastic member 182, an end portion of the moving portion 183 away from the fixing portion 181 abuts against an inner wall of the receiving chamber 42 under an elastic force of the elastic member 182, and the moving portion 183 abuts against an end portion of the output rod 243 away from the rotating rod 241. The moving part 183 is slidably connected to the fixing part 181 by engaging with the elastic member 182, and the sliding direction of the moving part 183 is toward or away from the fixing part 181.
Referring to fig. 1 and 6, the storage chamber 43 and the rear chamber 32 are communicated with each other through a fourth pipe 25, a fourth driving pump 251 is fixed to the fourth pipe 25, and the fourth driving pump 251 is used for conveying the liquid in the storage chamber 43 to the rear chamber 32.
The implementation principle of a ship exhaust-gas treatment system in the embodiment of the application is as follows:
when waste gas needs to be discharged, the first driving pump 61 is controlled to convey the alkali liquor in the storage tank 2 to the nozzle 111 for spraying, the waste gas generated by the ship enters the spraying chamber 11 through the air inlet 13, SOx in the waste gas contacts with the alkali liquor and generates a chemical reaction to generate bisulfite and sulfite, the mixed liquid is accumulated on the partition plate 5 until the liquid is accumulated to a certain depth, the elastic membranes 511 are opened downwards, the liquid enters the placing chamber 12 through the leakage hole 51, and the rest waste gas is discharged through the air outlet 14, so that SOx carried in the waste gas is reduced, further, the pollution of SOx to atmosphere is reduced, the influence of waste gas discharge on the ecological environment is reduced, and a certain environment-friendly effect is achieved.
Then the second driving pump 91 is controlled to convey the liquid in the placing chamber 12 into the front chamber 31, and then the sulfate reducing bacteria liquid in the bacteria liquid tank 10 is sent into the front chamber 31 and the rear chamber 32 through the liquid outlet pipe 101, the sulfate reducing bacteria reduce bisulfite and sulfite in the liquid into hydrogen sulfide, the generated hydrogen sulfide enters the reaction chamber 41 through the air inlet pipe 26, at this time, the reaction chamber 41 is communicated with the accommodating chamber 42, the oxidation reaction liquid is stored in both the reaction chamber 41 and the accommodating chamber 42, the hydrogen sulfide and the oxidation reaction liquid perform oxidation reaction to obtain elemental sulfur precipitate, and the elemental sulfur precipitate is deposited and accumulated on the filter plate 16.
After a certain period of reaction, the blocking plate 17 is moved to separate the reaction chamber 41 from the containing chamber 42, the blocking plate 17 presses the transmission rod 242 to make the transmission rod 242 rotate the transmission rod 241, the transmission rod 241 drives the output rod 243 to move towards the direction close to the moving part 183, the output rod 243 presses the moving part 183 to make the moving part 183 separate from the inner wall of the containing chamber 42 against the elastic force of the elastic member 182, the liquid in the containing chamber 42 enters the storage chamber 43, and the elemental sulfur precipitates and stays on the filter plate 16.
Then, the locking block 211 is turned to separate the locking block 211 from the cover plate 20, the connecting rod 21 is rotated to stagger the locking block 211 and the cover plate 20, the cover plate 20 is moved in the direction away from the reaction box 4, the cover plate 20 drives the scraper 22 to move, the scraping part 222 scrapes the elemental sulfur precipitate on the filter plate 16 and drops out from the discharge hole 44, the dropped elemental sulfur precipitate is collected, then the cover plate 20 is moved to enable the cover plate 20 to cover the discharge hole 44 again, and the cover plate 20 is positioned by rotating the connecting rod 21 and turning the locking block 211 tightly.
Then the blocking plate 17 is moved to communicate the reaction chamber 41 with the containing chamber 42, at this time, the blocking plate 17 does not press the transmission rod 242, the elastic member 182 is reset and pushes the moving part 183 to return to the original position, the moving part 183 presses the output rod 243 to return to the original position, so as to separate the containing chamber 42 from the storage chamber 43, so that the liquid in the reaction chamber 41 can continue to enter the containing chamber 42, the generated elemental sulfur precipitate continues to settle on the filter plate 16, and new oxidation reaction liquid is added into the reaction chamber 41 to supplement while separating the containing chamber 42 from the storage chamber 43.
The fourth driving pump 251 is controlled to convey the liquid in the storage chamber 43 to the rear chamber 32, the liquid in the storage chamber 43 contains sulfate in a product obtained by reacting hydrogen sulfide with the oxidation reaction liquid, sulfate reducing bacteria liquid in the rear chamber 32 reduces the sulfate in the liquid into hydrogen sulfide, and the generated hydrogen sulfide enters the reaction chamber 41 through the air inlet pipe 26, so that more elemental sulfur precipitates can be obtained, and the utilization of SOx in the waste gas is further improved.
The whole waste gas treatment process involves less power equipment, so the energy consumption is less, thereby the cost of waste gas treatment is reduced, and the sulfate reducing bacteria reduce the bisulfite and sulfite in the liquid into hydrogen sulfide, and simultaneously sodium hydroxide is also generated, the third driving pump 151 is controlled to convey the liquid in the front chamber 31 to the storage tank 2, so that the alkali liquor can be supplemented, the use amount of the alkali liquor is reduced, and the cost of waste gas treatment is further reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A marine exhaust treatment system, characterized by: the device comprises a spray tower (1), a storage box (2), a microorganism box (3) and a reaction box (4), wherein an air inlet (13) and an air outlet (14) are arranged on the spray tower (1), the air inlet (13) is used for communicating with an exhaust port of a ship, a nozzle (111) is arranged in the spray tower (1), the nozzle (111) is communicated with the storage box (2) through a first pipeline (6), the storage box (2) is used for storing alkali liquor, a first driving pump (61) is arranged on the first pipeline (6), and the first driving pump (61) is used for conveying the alkali liquor in the storage box (2) to the nozzle (111);
the microorganism box (3) is communicated with the spray tower (1) through a second pipeline (9), a second driving pump (91) is arranged on the second pipeline (9), the second driving pump (91) is used for conveying liquid in the spray tower (1) into the microorganism box (3), a bacteria liquid box (10) is arranged on the microorganism box (3), sulfate reducing bacteria liquid is stored in the bacteria liquid box (10), the bacteria liquid box (10) is used for conveying the sulfate reducing bacteria liquid into the microorganism box (3), the microorganism box (3) is communicated with the storage box (2) through a third pipeline (15), a third driving pump (151) is arranged on the third pipeline (15), and the third driving pump (151) is used for conveying the liquid in the microorganism box (3) into the storage box (2);
the reaction box (4) is internally stored with oxidation reaction liquid, and the reaction box (4) is communicated with the microorganism reaction box (4) through an air inlet pipeline (26).
2. The marine exhaust gas treatment system according to claim 1, wherein: a filter plate (16) and a partition plate (18) are arranged in the reaction box (4), the partition plate (18) is located below the filter plate (16), a blocking plate (17) is connected to the inside of the reaction box (4) in a sliding manner, the blocking plate (17) is located above the filter plate (16), the blocking plate (17) and the partition plate (18) divide the inside of the reaction box (4) into a reaction chamber (41), a containing chamber (42) and a storage chamber (43), the reaction chamber (41), the containing chamber (42) and the storage chamber (43) are sequentially distributed from top to bottom, and the blocking plate (17) slides to enable the reaction chamber (41) and the containing chamber (42) to be communicated or separated;
set up on the lateral wall of reaction box (4) with discharge gate (44) that hold room (42) intercommunication, still can dismantle on reaction box (4) and be connected with apron (20), apron (20) lid closes discharge gate (44) sets up, division board (18) including set up in fixed part (181) on reaction box (4) inner wall, set up in elastic component (182) on fixed part (181) and slide connect in removal portion (183) on fixed part (181), elastic component (182) support tightly in removal portion (183) make removal portion (183) support tightly in the inner wall of reaction box (4).
3. The marine exhaust gas treatment system according to claim 2, wherein: be provided with drive assembly (24) on reaction box (4), drive assembly (24) including rotate connect in dwang (241) in reaction box (4), articulate in transfer line (242) and output pole (243) on dwang (241), transfer line (242) with output pole (243) are located respectively dwang (241) axis of rotation's relative both sides, just transfer line (242) are located the top of output pole (243), the one end that its articulated axis was kept away from in transfer line (242) stretches into in reaction box (4) and with separation board (17) correspond the setting, output pole (243) butt in removal portion (183).
4. The marine exhaust gas treatment system according to claim 2, wherein: be provided with space bar (5) in spray tower (1), space bar (5) will spray tower (1) internal partitioning becomes spray room (11) and placing chamber (12), placing chamber (12) are located the below of spray room (11), nozzle (111) are located in spray room (11), second pipeline (9) intercommunication placing chamber (12) with the microorganism room, leak hole (51) have been seted up on space bar (5), be equipped with a plurality of elastic diaphragm (511) in leak hole (51), the internal perisporium of a plurality of elastic diaphragm (511) along leak hole (51) is circumference and distributes and a plurality of elastic diaphragm (511) lid closes leak hole (51), the up end of space bar (5) is provided with filter screen (7), filter screen (7) lid closes leak hole (51).
5. The marine exhaust gas treatment system according to claim 4, wherein: a interception plate (8) is arranged in the microorganism box (3), a front chamber (31) and a rear chamber (32) are spliced on the interception plate (8) and the inner wall of the microorganism box (3), the first duct (6) communicating the placing chamber (12) and the antechamber (31), the rear chamber (32) and the storage chamber (43) are communicated through a fourth pipeline (25), a fourth driving pump (251) is arranged on the fourth pipeline (25), the fourth driving pump (251) is used for conveying the liquid in the storage chamber (43) to the rear chamber (32), a liquid outlet pipe (101) is arranged on the bacteria liquid box (10), the liquid outlet pipe (101) extends into the microorganism box (3), two liquid outlet ends (1011) are arranged on the liquid outlet pipe (101), and the two liquid outlet ends (1011) are respectively arranged corresponding to the front chamber (31) and the rear chamber (32).
6. The marine exhaust gas treatment system according to claim 2, wherein: be provided with scraper blade (22) on apron (20), scraper blade (22) stretch into in reaction box (4), scraper blade (22) including set up in guide part (221) on apron (20) with set up in scrape on guide part (221) and get portion (222), it is located to scrape and get portion (222) guide part (221) are kept away from the one end of apron (20) and downward butt in filter plate (16).
7. The marine exhaust gas treatment system according to claim 2, wherein: the outer side wall of the reaction box (4) is rotatably connected with a connecting rod (21), the connecting rod (21) is connected with a locking block (211) in a threaded mode, and the locking block (211) is located on one side, away from the reaction box (4), of the cover plate (20) and abuts against the cover plate (20).
8. The marine exhaust gas treatment system according to claim 2, wherein: the outer side wall of the reaction box (4) is provided with a bump (19), the bump (19) is rotatably connected with a positioning block (191), the positioning block (191) can be positioned on the bump (19), when the blocking plate (17) separates the reaction chamber (41) and the accommodating chamber (42), the positioning block (191) is positioned on one side of the blocking plate (17) far away from the reaction box (4), and the positioning block (191) rotates to enable the positioning block (191) to be abutted against the blocking plate (17) or staggered with the blocking plate (17).
CN202110840150.3A 2021-07-24 2021-07-24 Ship exhaust gas treatment system Active CN113477061B (en)

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