CN210313651U

CN210313651U - Microbial deactivation device and ship ballast water tank

Info

Publication number: CN210313651U
Application number: CN201920705038.7U
Authority: CN
Inventors: 陈道毅
Original assignee: Shenzhen Hongyi Marine Intelligent Equipment Co ltd
Current assignee: Shenzhen Hongyi Marine Intelligent Equipment Co ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-04-14
Anticipated expiration: 2029-05-14

Abstract

The utility model is suitable for a water treatment field provides a microbial deactivation device and boats and ships ballast water tank, and wherein, the microbial deactivation device includes: the sealed cabin is provided with an accommodating cavity for accommodating water, and the accommodating cavity is divided into a first area cavity and a second area cavity outside the first area cavity; the sterilizer is arranged in the accommodating cavity, is positioned in the first area cavity and is used for generating an oxidant capable of inactivating microorganisms in the first area cavity; and the propeller pump is arranged in the accommodating cavity, is positioned in the second area cavity and is used for disturbing the water body so as to enable the water body to convect between the first area cavity and the second area cavity. The utility model provides a microorganism inactivation device can effectively reduce equipment cost itself and equipment operation cost.

Description

Microbial deactivation device and ship ballast water tank

Technical Field

The utility model belongs to the water treatment field especially relates to a microorganism deactivation device and ship ballast water tank.

Background

In the field of ships, ballast water is often used to lower the center of gravity of a ship to improve navigation safety. Ballast water needs to be drained before entering the port to reduce draft. The ship mainly sails across sea areas, the biological environments of the starting port and the sea areas arriving at the port are different, the seawater of the starting port is loaded in the ballast tank and discharged near the port, and therefore the problem of pest invasion is easily caused. Thus, the international maritime organization specifies that ballast water must be completely inactivated in order to be allowed to drain. Ocean vessels are therefore mandated to install microbial deactivation devices.

In the existing microorganism inactivation device, a scheme of adopting ionized seawater for disinfection and sterilization exists. However, the existing microbial inactivation device adopting the ionized seawater scheme inactivates microorganisms while discharging or loading seawater, and due to the design, the microbial inactivation device is required to have a large-flow microbial inactivation treatment capacity due to the short treatment time, and the equipment cost is high. And the distance between the ballast tank and the sea entrance is short, a pipeline is generally required to be led out between the ballast tank and the sea entrance, and the microbial inactivation device inactivates the seawater flowing through the pipeline, so that the occupied space and equipment cost of pipeline laying and related equipment are increased. Especially, the international maritime organization improves the requirement on the water quality after treatment, and a plurality of existing ships need to be transformed to continue sailing. By adopting the scheme, the modification cost and the operation cost are high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a little deactivation device and boats and ships ballast water tank, it aims at reducing the cost of ballast water microbial deactivation.

The utility model provides a microorganism inactivation device, include:

the sealed cabin is provided with an accommodating cavity for accommodating water, and the accommodating cavity is divided into a first area cavity and a second area cavity outside the first area cavity;

the sterilizer is arranged in the accommodating cavity, is positioned in the first area cavity and is used for generating an oxidant capable of inactivating microorganisms in the first area cavity;

and the propeller pump is arranged in the accommodating cavity, is positioned in the second area cavity and is used for disturbing the water body so as to enable the water body to convect between the first area cavity and the second area cavity.

Furthermore, the microorganism inactivation device further comprises a viewer, the viewer comprises a detection head arranged in the accommodating cavity and a display arranged outside the accommodating cavity, the viewer is electrically connected with the display, the viewer is used for observing microorganism conditions and forming corresponding microorganism information to be transmitted to the display, and the display is used for displaying the microorganism information.

Furthermore, the microorganism inactivation device also comprises a controller, the detection head, the flow pushing pump and the disinfector are electrically connected with the controller, and the disinfector and the flow pushing pump are controlled by the controller.

Furthermore, the detection head sends the microorganism information to the controller, and the controller can automatically turn on and off the disinfector and the propeller pump according to the microorganism information.

Furthermore, the detection heads are multiple and are dispersedly arranged in the accommodating cavity.

Further, the disinfector comprises an anode and a cathode both immersed in the body of water, the anode and the cathode electrolyzing the body of water to produce the oxidant when the anode and the cathode are energized; the anode includes a conductive substrate and a graphene layer overlying the conductive substrate.

Further, the sealed cabin includes the cabin body, the cabin body cavity is in order to form the holding chamber, the cabin body inwards seted up at its outer surface with the communicating humanoid hole of holding chamber, the sealed cabin still include with humanoid hole cooperation and be used for sealing the sealed lid in humanoid hole, sealed lid detachably connect in the cabin body, positive pole and negative pole are fixed sealed lid orientation the surface in holding chamber.

Further, the anode and the cathode are located at the bottom of the accommodating cavity.

Further, the flow pushing pump is located at the bottom of the accommodating cavity.

Furthermore, the microorganism inactivation device further comprises a water pipeline, wherein one end of the water pipeline is connected to the propeller pump and used for conveying the water flowing out of the propeller pump to the other end of the water pipeline.

The utility model also provides a ship ballast water tank, a serial communication port, include like foretell microorganism deactivation device.

The utility model provides a microorganism inactivation device, sterilizer are fixed in the ballast tank and are directly carried out the electrolytic disinfection to the water in the ballast tank to make the deactivation work to the microorganism can go on at any time during the boats and ships navigation, and carry out the microorganism deactivation when being not limited to water uninstallation or supplementary, and then make the flow requirement greatly reduced that the sterilizer need handle, thereby reduce equipment cost itself and equipment operation cost. In addition, the sterilizer of the scheme is adopted, and pipelines and accessories do not need to be additionally arranged, so that the construction cost of the device is reduced. The push pump is used for driving the water body to flow, so that the oxidant generated by the sterilizer is uniformly mixed in the water body, and the sterilization efficiency is improved to reduce the sterilization time and the equipment operation cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a microorganism inactivation apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of connection control of the microorganism inactivation device according to the embodiment of the present invention.

The reference numbers illustrate:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Referring to fig. 1 to 2, the present embodiment provides a microbe inactivation device, which can inactivate microbes in a water body 60 of a ship ballast water, drinking water or fire water tank. This embodiment will be described by taking ship ballast water as an example. The body of water 60 is a liquid taken from outside the vessel and stored in ballast tanks for use as ballast water, and may be seawater, freshwater, or freshwater. The microorganism refers to a microorganism inhabiting rivers, lakes and seas.

The microbial inactivation apparatus includes a capsule 10, a sterilizer 20, and a push pump 30.

The sealed cabin 10 is provided with an accommodating cavity 11 for accommodating the water body 60, and the accommodating cavity 11 is divided into a first area cavity and a second area cavity outside the first area cavity;

the sterilizer 20 is arranged in the accommodating cavity 11 and is positioned in the first area cavity, and is used for generating an oxidant capable of inactivating microorganisms in the first area cavity;

the propeller pump 30 is disposed in the accommodating chamber 11 and located in the second area chamber, and is configured to disturb the water body 60 so as to enable the water body 60 to convect between the first area chamber and the second area chamber. So that the oxidant generated in the first zone chamber can be brought into the second zone chamber and uniformly mixed in the water body 60.

It should be noted that the ranges of the first area chamber and the second area chamber are not fixed, and the area where the sterilizer 20 is located is the first area chamber, and the sterilizer 20 generates the oxidizing agent in this area. The region outside the first zone chamber is the second zone chamber, and the push pump 30 is located within the second zone chamber. The propeller pump 30 pushes the water body 60 to flow and pass through the first area cavity, so that the water body 60 of the first area cavity enriched with the oxidant is mixed with the water body 60 of the non-enriched oxidant, and the disinfection efficiency is improved.

Furthermore, the sterilizer 20 and the push pump 30 may be integrally designed or may be separately provided. When the sterilizer 20 and the propeller pump 30 are integrated into one device, the water body 60 enters the device under the driving of the propeller pump 30, passes through the sterilizer 20 and is mixed with the oxidant, and then the oxidant is taken away from the device. Mixing of the oxidant enrichment zone and the non-enrichment zone water body 60 is also achieved. At this time, the inside of the device comprises a first area cavity and a part of a second area cavity, and if the device is taken as an integral which cannot be disassembled, the first area cavity is hidden in the second area cavity.

The propeller pumps 30 can be independently arranged into one, two or more, and the arrangement is performed by the person skilled in the art according to the actual needs.

The microbial inactivation device provided by the embodiment has the advantages that the sterilizer 20 is fixed in the ballast tank and directly carries out electrolytic disinfection on the water body 60 in the ballast tank, so that the inactivation work on microbes can be carried out at any time during the ship navigation, the microbial inactivation is carried out when the water body 60 is unloaded or supplemented, the flow requirement of the sterilizer 20 to be treated is greatly reduced, and the equipment cost and the equipment operation cost are reduced. In addition, the sterilizer 20 of the present embodiment does not require additional piping and accessories, thereby reducing the cost of construction of the device. The propeller pump 30 is used to drive the water body 60 to flow, so that the oxidant generated by the sterilizer 20 is uniformly mixed in the water body 60, thereby improving the sterilization efficiency to reduce the sterilization time and the equipment operation cost.

In this embodiment, the oxidizing agent is one or a combination of hypochlorous acid ions, chlorine dioxide, and free hydroxyl groups.

The sterilizer 20 ionizes the seawater, the ionization involving the following main chemical reaction equation:

NaCl+HO——>NaClO+H

the intermediate products of the ionization process include chlorine, chlorine dioxide, OH "and the like.

In the embodiment, the water body 60 is directly electrolyzed, and the oxidant obtained by electrolysis directly acts on the microorganisms in the water body 60 for disinfection and inactivation, so that the structure is simple, and the equipment cost is favorably reduced.

In this embodiment, the impeller pump 30 includes a driver and an impeller, and the driver drives the impeller to rotate, so as to drive the water body 60 around the impeller to move forward, thereby forming a water flow. The propelling capacity and the installation position of the propeller pump 30 can be optimally designed according to the shape and the volume of the ballast tank by adopting fluid mechanics software.

Preferably, the impeller pump 30 is located at the bottom of the accommodating cavity 11, and this design can effectively save energy. Take the example of the pump 30 pushing water upwards or towards a horizontal line of defense: the pump 30 is located at the bottom of the accommodating cavity 11 and pushes the water flow upwards (as shown in fig. 1), and the upward pushing consumes less energy than the reverse pushing due to the increase of water pressure along the depth of water, so as to save energy. The axial-flow pump 30 is located at the bottom of the accommodating cavity 11 and horizontally pushes water flow, the water body 60 located below flows to drive the water body 60 located above to flow, and compared with the axial-flow pump 30 located at the upper portion or the middle portion of the accommodating cavity 11, the axial-flow pump can drive the flowing water body 60 to be larger in volume, so that the oxidant is more uniformly mixed.

The microorganism inactivation device further comprises a water pipe 70, wherein one end of the water pipe 70 is connected to the propeller pump 30 and is used for conveying the water flowing out from the propeller pump 30 to the other end of the water pipe 70. The water conduit 70 blocks the influence of water from outside the pipe on the flow of water within the pipe so that the flow of water from the impeller pump 30 can extend a longer distance, thereby increasing the mixing range and allowing the oxidant to be mixed more uniformly. The person skilled in the art can optimize the arrangement according to the shape of the cabin body so as to reduce the dead angle area covered by the flowing water body.

Referring to fig. 2, the ballast water microorganism inactivation device further includes a viewer, the viewer includes a detection head 51 fixed in the ballast tank and a display 52 located outside the ballast tank, the viewer is electrically connected to the display 52, the viewer is used for viewing microorganism conditions and forming corresponding microorganism information, and the display 52 is used for displaying the microorganism information.

The microorganism information includes the number, distribution, size, etc. of microorganisms.

The viewer setup facilitates real-time understanding of the condition of the microorganisms in the water body 60, and facilitates user control of the sterilizer 20 and the push pump 30 based on the content and distribution of the microorganisms. For example, when the level of viable microorganisms in the body of water 60 is below standard requirements, the sterilizer 20 is shut down. The propeller pump 30 is activated when the distribution of the microorganisms living in the water body 60 is uneven. Increase or decrease of electrolytic voltage according to change of microorganism content, etc.

The detecting head 51 is plural and is dispersedly arranged in the accommodating cavity. This design makes the visulizer can observe the interior microorganism condition of water of a plurality of positions in the holding intracavity simultaneously, carries out the unified collection analysis of multizone information to obtain comparatively objective microorganism data, in order to avoid local microorganism enrichment or scarce and to the influence of observation result.

The ballast water microorganism inactivation device further comprises a controller 40, the detection head 51, the push pump 30 and the sterilizer 20 are all electrically connected with the controller 40, and the sterilizer 20 and the push pump 30 are all controlled by the controller 40. The propeller pump 30 and the sterilizer 20 are integrally controlled by the controller 40, improving convenience of operation.

Meanwhile, the controller 40 has an automatic control program built therein, thereby improving the degree of automation of the apparatus. Specifically, the method comprises the following steps: the detection head 51 sends the microorganism information to the controller 40, and the controller 40 can automatically turn on and off the sterilizer 20 and the push pump 30 according to the microorganism information. For example, sterilizer 20 and push pump 30 may be activated when the received microbiological information includes a level of microorganisms above a predetermined first threshold. When the level of microorganisms in the received microbiological information is below a predetermined second threshold, the sterilizer 20 and the push pump 30 are shut down. The operator can set the specific values of the first threshold value and the second threshold value according to actual needs.

Referring to fig. 1, the sterilizer 20 includes an anode 21 and a cathode 22 immersed in a water body 60, and electrolyzes the water body 60 to generate an oxidant when the anode 21 and the cathode 22 are energized; the anode 21 includes a conductive substrate and a graphene layer overlying the conductive substrate.

Graphene is a network structure formed by carbon atoms from a microscopic angle, and a graphene layer is covered on a general conductive substrate to serve as an anode 21, so that the surface of the anode 21 has sufficient cavities, and the discharge speed is greatly improved.

The conductive substrate may be titanium, aluminum or other materials.

Referring to fig. 1 again, the sealed cabin 10 includes a cabin body 12, the cabin body 12 is hollow to form a containing cavity 11, the cabin body 12 is provided with a man-shaped hole inwardly formed in an outer surface thereof, the man-shaped hole is communicated with the containing cavity 11, the sealed cabin 10 further includes a sealed cover 13 which is matched with the man-shaped hole and used for sealing the man-shaped hole, the sealed cover 13 is detachably connected to the cabin body 12, and an anode 21 and a cathode 22 are fixed on a surface of the sealed cover 13 facing the containing cavity 11. In the field of ships, for ballast tanks, a matched manhole and a sealing cover 13 are often arranged to realize watertight access, overhaul and connection of the ballast tank. According to the design, the anode 21 and the cathode 22 are fixed on the sealing cover 13, and when the maintenance is carried out, the sealing cover 13 is disassembled, so that the anode 21 and the cathode 22 can be moved out of the accommodating cavity 11 to be maintained without entering the accommodating cavity 11. Considering that the ballast tank is not generally provided with lamplight for illumination, and the manholes are difficult to penetrate, the design greatly reduces the difficulty of overhaul work of maintainers.

Ship ballast tanks are typically provided between the bottom plate and the lowermost deck of the hull and/or near the port and starboard sides to provide limited improvement in ship stability. When the ship is in operation, the ballast water is replenished or discharged to the sealed tank 10 as needed, and therefore, the water level of the sealed tank 10 is changed. The anode 21 and the cathode 22 are disposed at the bottom of the accommodating chamber 11, and it is ensured that the anode 21 and the cathode 22 are not affected by the water level. However, the provision of the man-shaped holes in the bottom plate of the ship has a great influence on the structural strength of the ship body and the ship resistance, and therefore, the provision of the man-shaped holes in the bottom of the ship is generally not intended. Man-holes are typically opened in bulkheads or decks. Since the sealed chamber 10 between the bottom plate of the hull and the lowermost shift is generally provided in a plurality of and in series, manhole openings such as those provided in the bulkhead are not convenient for the sterilizer 20 to repair, and thus, for the sealed chamber 10, manhole openings are generally provided in the deck. Whereas for the sealed tank 10 near port or starboard, the manlike hole is opened at the side surface of the tank body 12 and near the bottom surface. Based on the above analysis, it is the optimum choice to arrange the anode 21 and the cathode 22 at the bottom of the housing chamber 11, provided that the conditions allow. The anode 21 and cathode 22 are also as close to the bilge as possible to reduce the effect of water level on electrolysis if conditions do not allow. If the anode 21 and the cathode 22 can only be arranged on the top of the accommodating cavity 11, it is necessary to ensure that the anode 21 and the cathode 22 have enough length to contact the water body 60, or a structure for extending the anode 21 and the cathode 22 up and down is added. In the illustrated embodiment, the sealed cover 13 with the anode 21 and the cathode 22 fixed thereto is located on the right bulkhead of the sealed cabin 10.

Example two

The present embodiment provides a ship ballast water treatment system, which includes a ballast water microorganism inactivation device, and the specific structure of the ballast water microorganism inactivation device refers to the first embodiment. Since the present embodiment adopts all the technical solutions of the first embodiment, all the technical effects brought by the technical solutions of the above embodiments are also achieved, and are not described in detail herein.

The ship ballast water treatment system provided by the embodiment further comprises a filtering device and a conveying pipeline, wherein the filtering device is communicated with the ballast tank and the sea entrance through the conveying pipeline, and seawater enters the conveying pipeline from the sea entrance and enters the ballast tank after being filtered by the filtering device. The filtering device removes large-particle organisms and solids in the water body, and is favorable for saving resources of the ballast water microorganism inactivation device.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A microbial inactivation device, comprising:

2. The microbe inactivation device of claim 1, further comprising a viewer, wherein the viewer comprises a detection head disposed in the housing chamber and a display located outside the housing chamber, the viewer is electrically connected to the display, the viewer is configured to observe the microbe condition and generate corresponding microbe information to be transmitted to the display, and the display is configured to display the microbe information.

3. The microbial inactivation device of claim 2, further comprising a controller, wherein the detection head, the push flow pump, and the sterilizer are all electrically connected to the controller, and the sterilizer and the push flow pump are all controlled by the controller.

4. The microbial inactivation device of claim 3, wherein the detection head sends the microbial information to the controller, and the controller can automatically turn on and off the sterilizer and the propeller pump according to the microbial information.

5. The microbial inactivation device of claim 3, wherein the plurality of detection heads are disposed in a dispersed manner within the housing chamber.

6. The microbial deactivation device of claim 1, wherein said sterilizer includes an anode and a cathode both immersed in said body of water, said anode and said cathode electrolyzing said body of water when a voltage is applied to produce said oxidizing agent; the anode includes a conductive substrate and a graphene layer overlying the conductive substrate.

7. The microbe inactivation device of claim 6, wherein the sealed chamber comprises a hollow chamber body forming the receiving chamber, the chamber body has an inward hole on an outer surface thereof, the chamber body is communicated with the receiving chamber, the sealed chamber further comprises a sealing cover cooperating with the hole and closing the hole, the sealing cover is detachably connected to the chamber body, and the anode and the cathode are fixed on a surface of the sealing cover facing the receiving chamber.

8. The microbial inactivation device of claim 6, wherein the anode and the cathode are located at a bottom of the housing chamber.

9. The microbial inactivation device of any one of claims 1 to 8, further comprising a water conduit, wherein one end of the water conduit is connected to the propeller pump and is configured to convey the water body flowing out of the propeller pump to the other end of the water conduit.

10. A ship ballast water tank comprising the microbial inactivation apparatus of any one of claims 1 to 9.