CN215916988U - Anti-pollution equipment of boats and ships - Google Patents

Anti-pollution equipment of boats and ships Download PDF

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Publication number
CN215916988U
CN215916988U CN202120548686.3U CN202120548686U CN215916988U CN 215916988 U CN215916988 U CN 215916988U CN 202120548686 U CN202120548686 U CN 202120548686U CN 215916988 U CN215916988 U CN 215916988U
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pipeline
filter
prevention apparatus
cleaning chamber
ship
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CN202120548686.3U
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张宇华
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Abstract

The utility model provides anti-pollution equipment for a ship, and relates to the technical field of ship pollution prevention and control. The device comprises a device body, wherein an air inlet and an air outlet are respectively arranged at two ends of the outer side of the device body, a cleaning chamber, a purifying chamber and a pipeline are arranged in the device body, the cleaning chamber and the purifying chamber are communicated with each other through pipelines, the head end of the pipeline is communicated with the air inlet, the tail end of the pipeline is communicated with the air outlet, a coarse filtering part, a denitration device and a desulfurization device are sequentially arranged in the cleaning chamber along the pipeline, and the coarse filtering part is detachably provided with a plurality of filter plates and a slag storage box. The method has the characteristics of good treatment effect, convenient maintenance and replacement and simple operation and implementation.

Description

Anti-pollution equipment of boats and ships
Technical Field
The utility model relates to the technical field of ship pollution prevention and control, in particular to anti-pollution equipment for a ship.
Background
A ship is a man-made vehicle that operates primarily in geographic water. In addition, a civil ship is generally called a ship, a military ship is called a ship, and a small-sized ship is called a boat or a boat, which is collectively called a ship or a boat. The interior mainly comprises a containment space, a support structure and a drainage structure, with a propulsion system using an external or self-contained energy source. The appearance is generally favorable for overcoming the streamline envelope of the fluid resistance, the materials are continuously updated along with the technological progress, the early materials are natural materials such as wood, bamboo, hemp and the like, and the modern materials are mostly steel, aluminum, glass fiber, acrylic and various composite materials. In recent years, with the development of national economy, China is used as a large shipbuilding country, shipbuilding industry is developed vigorously, and the shipbuilding industry occupies more and more parts of the world; various types of ships in service in China are also in the forefront of the world. The power system of the ship mainly provides a power source by a diesel engine and a turbine, and the diesel is used as a dye of the power source, so that a large amount of pollution gas can be generated in the combustion process and is directly discharged into the air, namely the ship often discharges black smoke, and the pollution to the environment is large.
In the prior art, the pollution prevention measures for ships are less related, the power system of the ships only simply processes the gas after the diesel oil is combusted at most or directly discharges the gas, the pollution to the environment is greater, and the planning of national sustainable development targets is not met, so the pollution of the ships needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide anti-pollution equipment for a ship, which can provide a solution aiming at the defects of the prior art in the aspect of ship pollution emission treatment, and has the characteristics of good treatment effect, convenience in maintenance and replacement and simplicity in operation and implementation.
The embodiment of the utility model is realized by the following steps:
the utility model provides an anti-pollution equipment of boats and ships, includes the equipment body, equipment body outside both ends are equipped with air inlet and gas outlet respectively, this internal scavenge room, clean room and the clean room that is provided with pipeline intercommunication each other of equipment, pipeline head end and air inlet intercommunication, the tail end of pipeline with the gas outlet intercommunication, clean indoor along the pipeline has set gradually coarse filtration portion, denitrification facility and desulphurization unit, coarse filtration portion can dismantle and be provided with a plurality of filters and deposit the sediment case.
The purge chamber is used for utilizing clear water to carry out the first step washing to the waste gas that boats and ships burning produced, and rethread clean room filters, and absorption treatment acid gas passes through the clean room at last and absorbs and dry moisture, discharge boats and ships at last. The filter plate and the slag storage box which are detachably arranged can be repeatedly used after being replaced and cleaned in the later period.
In some embodiments of the present invention, the filtering portion has a plurality of openings at the pipe, the openings are connected to the filtering plate in a plugging manner, and the length of the filtering plate is greater than the diameter of the pipe.
In some embodiments of the utility model, an L-shaped part is fixedly arranged on the lower edge of the opening, and a folded edge is arranged on the upper edge of the slag storage box and movably connected with the L-shaped part.
In some embodiments of the present invention, the filter plate is provided with a filter hole, the filter hole is connected with a filter screen, and the upper portion of the filter screen is provided with a limiting portion.
In some embodiments of the utility model, the lower edges of the limiting part and the folded edge are both provided with a sealing layer, and the sealing layer is a soft silica gel layer.
In some embodiments of the present invention, the denitration device is an SCR device having a catalyst therein.
In some embodiments of the present invention, the cleaning chamber is provided with an inlet, an outlet and a plurality of clean water nozzles, the clean water nozzles are atomizing nozzles, and the outlet is provided with an exhaust fan or a scavenging pump.
In some embodiments of the present invention, the purification chamber is filled with quicklime.
In some embodiments of the present invention, the top of the filter plate is further provided with a lifting member, and the lifting member is a lifting belt or a lifting rod.
The embodiment of the utility model at least has the following advantages or beneficial effects:
the method has the advantages of good treatment effect. The device comprises a device body, wherein an air inlet and an air outlet are respectively arranged at two ends of the outer side of the device body, a cleaning chamber, a purifying chamber and a cleaning chamber which are communicated with each other through pipelines are arranged in the device body, the head end of each pipeline is communicated with the air inlet, the tail end of each pipeline is communicated with the air outlet, a coarse filtering part, a denitration device and a desulfurization device are sequentially arranged in the cleaning chamber along the pipelines, and the coarse filtering part is detachably provided with a plurality of filter plates and a slag storage box. When the cleaning device is used specifically, the cleaning chamber is used for carrying out first-step cleaning on waste gas generated by ship combustion by using clean water, furthermore, an inlet, an outlet and a plurality of clean water spray heads are arranged in the cleaning chamber, the clean water spray heads are atomizing spray heads, an exhaust fan or a scavenging pump is arranged at the outlet, clean water is sprayed by using the atomizing spray heads, and water drop adsorption is carried out on particles in the waste gas, so that the first-step cleaning of the waste gas is realized, most floating particles are removed, and then the waste gas treated in the first step is sent into the cleaning chamber; and then, the cleaning chamber is used for filtering residual particles by using the filter plate, and then the denitration device and the desulfurization device are used for absorbing and treating acid gas, and finally, the purification chamber is used for absorbing and drying moisture and finally discharging the water out of the ship. And the filter that can dismantle the setting and deposit the sediment case can realize changing and washing back used repeatedly at the later stage, and after filter and deposit the sediment case reached the service load, both can change and wash back, reuse once more, have improved the rate of utilization, have reduced the cost.
And the effect is two, and the maintenance and the replacement are convenient. The cleaning device comprises a cleaning chamber, a cleaning chamber and a purifying chamber, wherein a clear water spray head is arranged in the cleaning chamber; the cleaning chamber is internally provided with a plurality of filter plates and a slag storage box which are detachably arranged on the pipeline, and is also provided with a denitration device, the denitration device is an SCR denitration device and also comprises a desulfurization device, and the desulfurization device is brucite slurry; and quicklime is arranged in the purifying chamber. In the utility model, the clear water spray head can be replaced in time if damaged, the detachably arranged filter plate and the slag storage box can be repeatedly used after replacement and cleaning at the later stage, and when the filter plate and the slag storage box reach the use load, the filter plate and the slag storage box can be repeatedly used after both the filter plate and the slag storage box are replaced and cleaned; the brucite slurry in the desulfurization device can be replaced at a later period, and meanwhile, the quick lime in the purifying chamber can be replaced. Therefore, most of the structures and materials in the device can be replaced or cleaned, the utilization rate is improved, and the device is convenient to maintain and replace.
And the effect is three, and the operation is simple. The utility model adopts the technical scheme that an air inlet is directly connected with an exhaust port of a ship, waste gas is conveyed into a cleaning chamber, the cleaning chamber is used for carrying out first-step cleaning on the waste gas generated by ship combustion by using clean water, then filtering is carried out by a cleaning chamber, acid gas is absorbed and treated, finally, moisture is absorbed and dried by a purifying chamber, and finally, the water is discharged out of the ship. Meanwhile, the detachably arranged filter plate and the slag storage box can be repeatedly used after being replaced and cleaned at the later stage. The method has the advantages that redundant electrical equipment and structures are not adopted, complex mechanical equipment and structures are not adopted on the whole, the implementation principle is easy and simple, the technical personnel in the field can realize better understanding and specific implementation through the method, the method is very suitable for popularization and use in the technical field, and the method is simple in specific operation, good in use prospect and low in cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a clean room according to an embodiment of the present invention;
FIG. 3 is a schematic view of a cleaning chamber according to an embodiment of the present invention;
FIG. 4 is a schematic view of a coarse filter portion according to an embodiment of the present invention;
FIG. 5 is a schematic view of a filter plate according to an embodiment of the present invention.
Icon: 1-equipment body, 2-cleaning chamber, 3-cleaning chamber, 4-purifying chamber, 5-air inlet, 6-air outlet, 7-clear water spray head, 8-coarse filtering part, 9-denitration device, 10-desulphurization device, 11-filter plate, 12-slag storage box, 13-folded edge, 14-L-shaped part, 15-opening, 16-filter screen, 17-limiting part, 18-filtering hole, 19-pulling part, 20-exhaust fan, 21-inlet and 22-outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
The power system of the ship does work by burning diesel oil which is used as a power raw material, and the diesel oil is burnt to generate hydrocarbon; sulfur dioxide; carbon dioxide; nitrogen dioxide; carbon particles; carbon monoxide and the like and particulates. Direct discharge pollutes the environment, and therefore, the embodiment needs to provide a device for processing and improving the direct discharge.
Referring to fig. 1-5, specifically, fig. 1-5 show an embodiment of the present invention.
The embodiment provides an anti-pollution equipment of boats and ships, including equipment body 1, equipment body 1 outside both ends are equipped with air inlet 5 and gas outlet 6 respectively. As shown in fig. 1, the head end of the pipeline is communicated with an air inlet 5, and diesel exhaust gas combusted by the ship is sent to the head end of the pipeline through the air inlet 5; and a washing chamber 2, a cleaning chamber 3 and a purifying chamber 4 which are communicated with each other through pipelines are installed in the apparatus body 1. The cleaning chamber 2 is used for cleaning the waste gas generated by ship combustion in the first step by using clean water, filtering the waste gas by the cleaning chamber 3, absorbing and treating acid gas, absorbing and drying moisture by the purifying chamber 4, and finally discharging the waste gas out of the ship.
As shown in fig. 3, an inlet 21, an outlet 22 and a plurality of clean water nozzles 7 are installed in the cleaning chamber 2, the clean water nozzles 7 are atomizing nozzles, and an exhaust fan 20 or a scavenging pump is installed at the outlet 22. The exhaust fan 20 is employed in the present embodiment; import 21 and air inlet 5 intercommunication, air inlet 5 send into the back with the waste gas of boats and ships diesel oil burning, send into the import 21 in the purge chamber 2 immediately, and a plurality of clear water shower nozzles 7 in the purge chamber 2 carry out atomizing clear water and spray and down at this moment, can carry out the absorption and the adhesion of drop of water to suspended particles in the waste gas, handle and get rid of this type granule. The exhaust fan 20 is activated to send the exhaust gas after the first step treatment to the clean room 3. It should be noted that the exhaust fan 20 and the atomizer are commercially available models, and are not limited thereto.
The exhaust gases then enter the clean room 3 for a second step of treatment, as shown in figure 2. The inside of the clean room 3 is sequentially provided with a coarse filter part 8, a denitration device 9 and a desulfurization device 10 along a pipeline, and the coarse filter part 8 is detachably provided with a plurality of filter plates 11 and a slag storage box 12. The filter 11 can be dismantled and set up in the pipeline, utilizes filter 11 to filter waste gas still remaining the suspended particles thing, and the particulate matter drops after the filter 11 interception and temporarily stores in deposit case 12, has all deposited granule sediment thing etc. in filter 11 or deposit case 12, can take off filter 11 and wash the maintenance, and the repacking on the pipeline after the completion, deposit case 12 clear up the back reuse can. The denitration device 9 is an SCR device having a catalyst therein. The SCR device is internally provided with an SCR denitration system, the technology of the SCR denitration system is mature, and no further limitation is made here. When the exhaust gas passing through the coarse filtering section 8 is substantially free of particles, the exhaust gas is sent to an SCR device, treated and filtered for nitric acid gas, and then sent to the desulfurization device 10, and the catalyst adopts the V2O5-WO3(MoO3)/TiO2 series (TiO2 is used as a main carrier, and V2O5 is used as a main active component), which are now mature. The desulphurization device 10 is provided with brucite slurry, and the content of brucite in the brucite slurry is 22-45%. The brucite mainly comprises magnesium hydroxide and magnesium oxide, can be combined with acid ions, nitrate ions and sulfate ions, thereby realizing the cleaning and treatment of waste gas and the treatment of toxic pollutant gases of NOx and SOx types. The brucite slurry in this example is prepared by mixing brucite powder and water in proportion, and the content of brucite in the brucite slurry is 30%. The brucite has low price, large market reserve and good treatment effect.
And finally, the waste gas after two treatment processes enters the purifying chamber 4 for final purification. The purification chamber 4 is provided with quicklime, the main components of the quicklime are calcium hydroxide and calcium oxide, the quicklime can absorb moisture and dry alkaline gas, the acid gas can be subjected to neutralization reaction, and finally the gas is purified again, so that the treatment effect is improved and ensured.
As shown in fig. 4, in the embodiment, the pipeline of the filtering portion is provided with a plurality of openings 15, and the pipeline openings 15 are used for realizing the plug-in connection with the filtering plate 11, so that the filtering plate 11 can be detachably connected, the later replacement, the maintenance and the cleaning are facilitated, the enterprise cost is reduced, and the filtering effect is improved; the length of the filter plate 11 is greater than the diameter length of the tube. The arrangement is that the particles intercepted on the filter plate 11 can be attached to the filter plate, and can fall into the slag storage box 12 along with gravity for temporary storage, and the cleaning can be realized at the later stage; the lower edge of the opening 15 is fixedly provided with an L-shaped piece 14, the upper edge of the slag storage box 12 is provided with a folding edge 13, and the folding edge 13 is movably connected with the L-shaped piece 14. So set up can be the realization in the below of deposit sediment case 12 joint in coarse filtration portion 8, with the particle impurity ash in filter 11, drop in deposit sediment case 12. In specific implementation, if the slag storage box 12 is full of particulate impurities, the slag storage box 12 can slide on the L-shaped piece 14 through the folding edge 13, so that the slag storage box 12 can be taken down from the coarse filtering part 8, poured, cleaned and cleaned, and after the operation is finished, the folding edge 13 is clamped on the L-shaped piece 14 again and then slides to the original position.
As shown in fig. 5, in the present embodiment, the filter plate 11 is provided with filter holes 18, a filter screen 16 is connected to the filter holes 18, and a stopper 17 is provided on the filter screen 16. The size of the filter holes 18 is larger than the pipe diameter of the pipeline, so that all gas is filtered by the filter screen 16. And spacing portion 17 can restrict the degree of depth of joint in the pipeline of filter 11, makes it just peg graft in suitable position, and whole filter 11 can not drop down, and consequently, the size of your spacing portion 17 will be greater than the size of opening 15.
In this embodiment, the lower edges of the limiting portion 17 and the folded edge 13 are both provided with a sealing layer (not specifically illustrated in the drawings), and the sealing layer is a soft silica gel layer. Utilize the sealing layer to carry out relative sealing, prevent that the gas in the pipeline from spilling over, avoid reducing filtration and clearance effect.
In some embodiments of the present invention, the top of the filter plate 11 is further provided with a lifting member 19, and the lifting member 19 is a lifting belt or a lifting rod. As shown in fig. 5, the present embodiment uses a pulling tape, so that the filter sheet 11 can be easily pulled out and put into the opening 15 when the filter sheet 11 is replaced and assembled.
In summary, the embodiment of the utility model adopts the technical scheme that the device comprises a device body 1, an air inlet 5 and an air outlet 6 are respectively arranged at two ends of the outer side of the device body 1, a cleaning chamber 2, a cleaning chamber 3 and a purifying chamber 4 which are communicated with each other through pipelines are arranged in the device body 1, the head end of each pipeline is communicated with the air inlet 5, the tail end of each pipeline is communicated with the air outlet 6, a coarse filtering part 8, a denitration device 9 and a desulfurization device 10 are sequentially arranged in the cleaning chamber 3 along the pipelines, and a plurality of filtering plates 11 and slag storage boxes 12 are detachably arranged on the coarse filtering part 8. When the cleaning device is used specifically, the cleaning chamber 2 is used for carrying out first-step cleaning on waste gas generated by ship combustion by using clean water, furthermore, an inlet 21, an outlet 22 and a plurality of clean water spray heads 7 are installed in the cleaning chamber 2, the clean water spray heads 7 are atomizing spray heads, an exhaust fan 20 or a scavenging pump is arranged at the outlet 22, the atomizing spray heads are used for spraying clean water, and particles in the waste gas are subjected to water bead adsorption, so that the first-step cleaning of the waste gas is realized, most floating particles are removed, and then the waste gas after the first-step treatment is sent into the cleaning chamber 3; and then the residual particulate matter is filtered by the filter plate 11 through the clean room 3, then the acid gas is absorbed and treated by the denitration device 9 and the desulfurization device 10, finally the moisture is absorbed and dried by the clean room 4, and finally the water is discharged out of the ship. And the filter 11 and the deposit box 12 that can dismantle the setting can realize changing and washing back used repeatedly at the later stage, and after filter 11 and deposit box 12 reached the service load, both can change and wash the back, used repeatedly once more, improved the rate of utilization, the cost is reduced. The cleaning chamber 2, the cleaning chamber 3 and the purifying chamber 4 are arranged in the application, and a clear water spray head 7 is arranged in the cleaning chamber 2; the cleaning chamber 3 is provided with a plurality of filter plates 11 and a slag storage box 12 which are detachably arranged on a pipeline, and is also provided with a denitration device 9, furthermore, the denitration device 9 is SCR denitration equipment and also comprises a desulphurization device 10, and further, the desulphurization device 10 is brucite slurry; and quicklime is provided in the clean room 4. In the utility model, the clear water spray head 7 can be replaced in time if damaged, the detachably arranged filter plate 11 and the slag storage box 12 can be replaced and cleaned at a later stage and then reused, and when the filter plate 11 and the slag storage box 12 reach the use load, the filter plate 11 and the slag storage box 12 can be replaced and cleaned and then reused again; the brucite slurry in the desulfurization device 10 can be replaced at a later stage, and the quicklime in the purification chamber 4 can be replaced at the same time. Therefore, most of the structures and materials in the device can be replaced or cleaned, the utilization rate is improved, and the device is convenient to maintain and replace. The utility model adopts the technical scheme that an air inlet 5 is directly connected with an exhaust port of a ship, waste gas is conveyed into a cleaning chamber 2, the cleaning chamber 2 is used for carrying out first-step cleaning on the waste gas generated by ship combustion by using clean water, then the waste gas is filtered by a cleaning chamber 3 to absorb and treat acid gas, and finally the acid gas is absorbed and dried by a purifying chamber 4 and finally discharged out of the ship. Meanwhile, the detachably arranged filter plate 11 and the slag storage box 12 can be replaced and cleaned at a later stage for repeated use. The method has the advantages that redundant electrical equipment and structures are not adopted, complex mechanical equipment and structures are not adopted on the whole, the implementation principle is easy and simple, the technical personnel in the field can realize better understanding and specific implementation through the method, the method is very suitable for popularization and use in the technical field, and the method is simple in specific operation, has a better use prospect, is low in cost and does not have a cost barrier in popularization and use. In summary, the embodiment of the utility model provides an anti-pollution device for a ship, which can provide a solution for the defects in the aspect of ship pollution emission treatment in the prior art, has the characteristics of good treatment effect, convenience in maintenance and replacement, and simplicity in operation and implementation, and is very suitable for popularization and application in the anti-pollution technical field of ships.

Claims (9)

1. The utility model provides an anti-pollution equipment of boats and ships, its characterized in that, includes the equipment body, equipment body outside both ends are equipped with air inlet and gas outlet respectively, this internal scavenge room, clean room and the clean room that is provided with pipeline intercommunication each other of equipment, pipeline head end and air inlet intercommunication, the tail end of pipeline with the gas outlet intercommunication, in the clean room along the pipeline has set gradually coarse filtration portion, denitrification facility and desulphurization unit, coarse filtration portion can dismantle and be provided with a plurality of filters and deposit the case.
2. The marine pollution prevention apparatus according to claim 1, wherein a plurality of openings are formed in the pipe of the filter portion, the openings are connected to the filter plate in a plug-in manner, and the length of the filter plate is greater than the diameter of the pipe.
3. The marine pollution prevention apparatus according to claim 2, wherein an L-shaped member is fixedly provided at a lower edge of the opening, and an upper edge of the slag storage tank has a folded edge movably connected to the L-shaped member.
4. The marine pollution prevention apparatus according to claim 3, wherein said filter plate has a filter hole, and a filter net is connected to said filter hole, and a stopper is provided at an upper portion of said filter net.
5. The ship pollution prevention device according to claim 4, wherein sealing layers are arranged on the lower edges of the limiting portion and the folded edge, and the sealing layers are soft silica gel layers.
6. The marine pollution prevention apparatus according to claim 1, wherein the denitration device is an SCR device having a catalyst therein.
7. The marine pollution prevention apparatus according to claim 1, wherein an inlet, an outlet and a plurality of clean water spray heads are installed in the cleaning chamber, the clean water spray heads are atomizing spray heads, and an exhaust fan or a scavenging pump is installed at the outlet.
8. The marine contamination prevention apparatus according to claim 7, wherein quicklime is provided in the clean room.
9. The marine contamination prevention apparatus according to any one of claims 1 to 8, wherein a pulling member is further provided on the top of the filter plate, and the pulling member is a pulling tape or a pulling rod.
CN202120548686.3U 2021-03-16 2021-03-16 Anti-pollution equipment of boats and ships Active CN215916988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120548686.3U CN215916988U (en) 2021-03-16 2021-03-16 Anti-pollution equipment of boats and ships

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120548686.3U CN215916988U (en) 2021-03-16 2021-03-16 Anti-pollution equipment of boats and ships

Publications (1)

Publication Number Publication Date
CN215916988U true CN215916988U (en) 2022-03-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120548686.3U Active CN215916988U (en) 2021-03-16 2021-03-16 Anti-pollution equipment of boats and ships

Country Status (1)

Country Link
CN (1) CN215916988U (en)

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