CN214457042U - Electrolysis device for ship ballast water treatment - Google Patents
Electrolysis device for ship ballast water treatment Download PDFInfo
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- CN214457042U CN214457042U CN202023284241.3U CN202023284241U CN214457042U CN 214457042 U CN214457042 U CN 214457042U CN 202023284241 U CN202023284241 U CN 202023284241U CN 214457042 U CN214457042 U CN 214457042U
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Abstract
The utility model discloses an electrolysis device for ship ballast water treatment, which comprises an electrolysis power supply, an electrode group module group consisting of a plurality of electrode group modules, and a non-concentric reducing water inlet and a non-concentric reducing water outlet which are respectively positioned at two ends of the electrode group module group; the electrode group modules, the electrode group modules and the non-concentric reducing water inlet and the electrode group modules and the non-concentric reducing water outlet are all in sealing connection through flanges. The utility model discloses a modular design can require to confirm electrode group module quantity according to the water treatment capacity, makes equipment easily standardize, adopts glass steel shell, and the quality is light, easily equipment maintenance.
Description
Technical Field
The utility model relates to the field of marine environmental protection, in particular to an electrolysis device for treating ship ballast water.
Background
Ship ballast water refers to water and suspended matters added to a ship to control the transverse inclination, longitudinal inclination, draft, stability or stress of the ship, and often takes invasive aquatic organisms to a new environment, thereby destroying the normal survival of a new environment bio-chain, and in order to prevent potential destructive influence caused by the diffusion of harmful aquatic organisms in the ship ballast water, the management and control problems of the ship ballast water are solved, and the International Maritime Organization (IMO) passes the international convention for controlling and managing international convention (draft for short) of the international ship ballast water and sediments in 2004, namely, the species and the number of living organisms in the treated water are clearly specified.
The main current method adopted at present in the technology for treating ship ballast water at home and abroad is an electrolytic method, and the principle of the electrolytic method is that an oxidation type bactericide is added into ballast water to enable residual oxides in the water to reach a certain level and keep for a certain time so as to kill harmful aquatic organisms in the water, so that the water ballast performance standard (D-2 standard) specified by the International Maritime Organization (IMO) is reached. At present, the shell of an electrolytic device of a ballast water treatment system installed on a ship is mostly welded integrally by metal, the structure is heavy, the installation is inconvenient, meanwhile, a layer of rubber or plastic is usually lined on the inner surface of a shell for enhancing the electrical insulation property, and the phenomena of cracking, breakage and the like are often caused due to low bonding force between the rubber, the plastic and the metal shell, and the repair is difficult. In addition, the creep resistance of the metal material is poor, and the cover plate and the electrode guide pillar part often have water seepage phenomena under the working conditions of high temperature and vibration, so that the normal use of the equipment is influenced.
Therefore, an electrolysis apparatus for treating ballast water of a ship, which is light, easy to install, and reliable in sealing, is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model adopts the novel shell made of the glass fiber reinforced plastic to replace the metal shell of the traditional electrolysis device, fully exerts the excellent performances of small specific gravity, high strength, heat insulation, ablation resistance, electric insulation and the like of the glass fiber reinforced plastic, and provides the ship ballast water treatment electrolysis device with convenient installation and maintenance, reliable sealing and high electrolysis efficiency.
The utility model discloses the technical scheme who adopts as follows:
an electrolysis device for ship ballast water treatment comprises an electrolysis power supply, an electrode group module group consisting of a plurality of electrode group modules, and a non-concentric diameter-variable water inlet and a non-concentric diameter-variable water outlet which are respectively positioned at two ends of the electrode group module group; the electrode group modules, the electrode group modules and the non-concentric diameter-variable water inlet and the electrode group modules and the non-concentric diameter-variable water outlet are hermetically connected through flanges;
the electrode group in the electrode group module comprises a plurality of electrode plates, each electrode plate comprises a cathode electrode plate and an anode electrode plate, the cathode electrode plates and the anode electrode plates are respectively welded on corresponding side plates, the cathode electrode plates and the anode electrode plates are arranged in an interval parallel opposite insertion mode, corresponding electrode guide pillars are welded on the top surfaces of the corresponding side plates, and the electrode guide pillars are electrically connected with an electrolysis power supply;
blind threaded holes are formed in the top surface of the side plate and distributed around the electrode guide post, the side plate is fixed on the cover plate through screws matched with the blind threaded holes, and a sealing gasket is arranged between the side plate and the cover plate; an O-shaped ring seal is arranged between the electrode guide post and the cover plate, and the pressing plate compresses the O-shaped ring through a connecting screw; the cover plate is coupled to the housing of the electrode assembly module.
Furthermore, the distance between the adjacent anode plate and the cathode plate is 3-15 mm.
Further, the sealing gasket is a rubber gasket or a polytetrafluoroethylene gasket.
Furthermore, the eccentric reducing water inlet, the eccentric reducing water outlet and the shell of the electrode group module are all made of glass fiber reinforced plastic materials.
Furthermore, the structural sizes of the non-concentric diameter-variable water inlet and the non-concentric diameter-variable water outlet are the same, and the installation positions can be adjusted according to requirements; when the electrolysis device is horizontally installed, the installation positions of the non-concentric variable-diameter water inlet and outlet are adjusted to enable water to enter from the lower part and flow out from the higher part, so that the inside of the electrolysis device is in a full pipe state, and the phenomenon that partial polar plates of an electrode group are not immersed in water when equipment runs to influence the water treatment efficiency is avoided;
further, the number of electrode modules may be combined according to water treatment flow requirements.
The utility model has the advantages that:
(1) the utility model provides a ship ballast water treatment electrolytic device adopts the modularized design, can require to confirm electrode group module quantity according to the water treatment capacity, makes the equipment easily standardize. And the glass steel shell is adopted, so that the weight is light, and the assembly and maintenance are easy. When the equipment is horizontally installed, the non-concentric variable-diameter water inlet and outlet are adjusted to ensure that the equipment is in a full pipe state, the defect that the traditional equipment is not full of pipes is overcome, and the efficiency of the electrode plate is improved.
(2) The utility model discloses well plate electrode and the hookup of curb plate, curb plate all adopt the welding form with the hookup of electrode guide pillar, have guaranteed that good electric conductivity has avoided the too big local heating phenomenon that leads to of the not good local resistance of electric conductivity. The reasonable spacing of the polar plates can reduce the resistance to water flow and ensure higher electrolysis efficiency. The double sealing structure of the electrode group and the good creep resistance of the glass fiber reinforced plastic material greatly reduce the water leakage probability of the equipment in high-temperature and vibration environments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a right side view of an electrode assembly module according to an embodiment of the present invention;
fig. 3 is a top view of an electrode assembly module according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of an electrode assembly module according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a top surface structure of an electrode assembly module according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating the connection between the electrode assembly and the cover plate of the electrode assembly module according to the embodiment of the present invention;
in the figure: 1. a non-concentric variable diameter water inlet; 2. a non-concentric diameter-variable water outlet; 3. an electrode set module; 4. an electrode guide post; 5. a side plate; 6. an electrode plate; 7. a cover plate; 8. pressing a plate; 9. an O-shaped ring; 10. a screw; 11. a gasket; 12. blind threaded holes.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Examples
As shown in fig. 1 to 6, the ship ballast water electrolysis apparatus of the present embodiment includes an eccentric variable diameter water inlet 1, an eccentric variable diameter water outlet 2, and an electrode group module 3. The decentraction reducing water inlet 1 and the delivery port 2 of decentraction pass through flange sealing connection with electrode group module 3, and electrode group module 3's figure can be according to the combination of actual water treatment flow, and in this embodiment, three electrode group module 3 are combined together and are constituteed electrode group module group, pass through flange sealing connection between the electrode group module 3. The water flow rate for treatment in this example was 1000 tons/hour, 3 electrode group modules were used, and the housing of the electrode group module 3 was DN500 piping. The housing of the non-concentric variable-diameter water inlet 1, the non-concentric variable-diameter water outlet 2 and the electrode group module 3 is made of glass fiber reinforced plastic. The electrode group in the electrode group module 3 comprises a plurality of electrode plates 6, the electrode plates 6 comprise cathode electrode plates and anode electrode plates, the anode electrode plates are made of the same material with the same size, the cathode electrode plates and the anode electrode plates are respectively welded on corresponding side plates 5, the cathode electrode plates and the anode electrode plates are arranged in an inserted mode at intervals in parallel, and the intervals are 3 mm; the corresponding electrode guide posts 4 are welded to the top surfaces of the respective side plates 5.
In order to avoid short circuit caused by the contact of the anode plate and the cathode plate under the impact of water flow during the operation, the anode plate and the cathode plate are provided with insulating isolation columns.
The top surface of the side plate 5 is welded with electrode guide posts 4, and each electrode guide post 4 of the electrode group module 3 is connected to an electrolytic power supply in series or in parallel through a connecting copper bar or a cable. Blind threaded holes 12 are processed in the top surface of the side plate 5 welded with the electrode guide post 4, the blind threaded holes 12 are distributed around the electrode guide post 4, the side plate 5 of the electrode group is fixed on the cover plate 7 through screws 10 matched with the blind threaded holes 12, a sealing surface between the side plate 5 and the cover plate 7 is sealed through rubber gaskets 11, in order to achieve reliable sealing, double sealing is achieved through an O-shaped ring 9 between the electrode guide post 4 and the cover plate 7, and the O-shaped ring 9 is pressed through a pressing plate 8 through a connecting screw 10. The cover plate 7 is coupled to the housing of the electrode group module 3 by bolts.
The above description is only for the purpose of illustration, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are all within the scope of the present invention.
Claims (5)
1. An electrolytic device for ship ballast water treatment comprises an electrolytic power supply and is characterized in that: the electrode group module group comprises a plurality of electrode group modules, and a non-concentric diameter-variable water inlet and a non-concentric diameter-variable water outlet which are respectively positioned at two ends of the electrode group module group; the electrode group modules, the electrode group modules and the non-concentric diameter-variable water inlet and the electrode group modules and the non-concentric diameter-variable water outlet are hermetically connected through flanges;
the electrode group in the electrode group module comprises a plurality of electrode plates, each electrode plate comprises a cathode electrode plate and an anode electrode plate, the cathode electrode plates and the anode electrode plates are respectively welded on corresponding side plates, the cathode electrode plates and the anode electrode plates are arranged in an interval parallel opposite insertion mode, corresponding electrode guide pillars are welded on the top surfaces of the corresponding side plates, and the electrode guide pillars are electrically connected with an electrolysis power supply;
blind threaded holes are formed in the top surface of the side plate and distributed around the electrode guide post, the side plate is fixed on the cover plate through screws matched with the blind threaded holes, and a sealing gasket is arranged between the side plate and the cover plate; an O-shaped ring seal is arranged between the electrode guide post and the cover plate, and the pressing plate compresses the O-shaped ring through a connecting screw; the cover plate is coupled to the housing of the electrode assembly module.
2. The electrolysis device according to claim 1, wherein: and the distance between the adjacent anode polar plate and the adjacent cathode polar plate is 3-15 mm.
3. The electrolysis device according to claim 2, wherein: the sealing gasket is a rubber gasket or a polytetrafluoroethylene gasket.
4. The electrolysis device according to claim 3, wherein: the housing of the non-concentric diameter-variable water inlet, the non-concentric diameter-variable water outlet and the electrode group module is made of glass fiber reinforced plastic materials.
5. The electrolysis device according to claim 4, wherein the eccentric diameter-variable water inlet and the eccentric diameter-variable water outlet have the same structural size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023284241.3U CN214457042U (en) | 2020-12-31 | 2020-12-31 | Electrolysis device for ship ballast water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023284241.3U CN214457042U (en) | 2020-12-31 | 2020-12-31 | Electrolysis device for ship ballast water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214457042U true CN214457042U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023284241.3U Active CN214457042U (en) | 2020-12-31 | 2020-12-31 | Electrolysis device for ship ballast water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214457042U (en) |
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2020
- 2020-12-31 CN CN202023284241.3U patent/CN214457042U/en active Active
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