CN212523225U - Filter element for ship ballast tank filter - Google Patents
Filter element for ship ballast tank filter Download PDFInfo
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- CN212523225U CN212523225U CN202020978870.7U CN202020978870U CN212523225U CN 212523225 U CN212523225 U CN 212523225U CN 202020978870 U CN202020978870 U CN 202020978870U CN 212523225 U CN212523225 U CN 212523225U
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- filter
- protective sleeve
- ballast tank
- ballast water
- pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000001681 protective effect Effects 0.000 claims abstract description 52
- 238000001914 filtration Methods 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000906 Bronze Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000010974 bronze Substances 0.000 claims description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 4
- 239000013535 sea water Substances 0.000 description 13
- 244000005700 microbiome Species 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Filtration Of Liquid (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model provides a ship ballast tank filter is with crossing filter core belongs to ship ballast water treatment technical field, including stay tube, protective case and filtration sub-assembly. Wherein, a plurality of first through holes for ballast water to pass through are arrayed on the pipe wall of the supporting pipe. The protective sleeve is sleeved on the supporting pipe, and a plurality of second through holes for ballast water to pass through are arranged on the pipe wall of the protective sleeve in an array mode. The filtering assembly is annularly arranged between the supporting pipe and the protective sleeve and is respectively connected with the outer pipe surface of the supporting pipe and the inner pipe surface of the protective sleeve, and the filtering assembly is used for filtering ballast water flowing in from the first through hole and enabling the filtered ballast water to flow into the ballast tank through the second through hole. The utility model discloses ballast tank filter is with crossing filter core structural strength height, shock-resistant can improve life, simple structure, and the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of ship ballast water treatment, more specifically say, relate to a ship ballast tank is with crossing filter core.
Background
The ballast water tank (ballast tank) of a ship is a tank in which ballast water is placed, and is used for adjusting the position of the center of gravity, the floating state and the stability of the ship. The problem that stability is insufficient or draft is inappropriate due to oil-water consumption and gravity center rising in the sailing process of the ship can be solved. The ballast water is seawater, and the seawater is pumped into the ballast tank through a seawater pump on the ship. However, a large amount of marine microorganisms are carried while ballast water is injected and discharged, and as many as billions of tons of ballast water flow on various coasts through ships every year around the world, the problem of marine species invasion is serious. Therefore, a filter core for intercepting microorganisms needs to be provided in the ballast tank to prevent problems such as invasion of marine microorganisms.
In the prior art, the filter element used by the ballast tank filter is usually formed by sintering a stainless steel filter screen, the structure occupies a large area, is very easy to corrode under the action of chloride ions in seawater, and needs to be replaced after several months, so that the cost is greatly increased; moreover, the hardness of the adopted stainless steel filter screen is low, and in the manufacturing process, the internal organization structure (ferrite and austenite) is very unstable due to sintering, welding and the like, and potential corrosion is easily formed at the position of a welding line to crack; in addition, the conventional filter element for the ballast tank is easy to deform and damage after being impacted by ballast water, so that a cleaning system in the filter element cannot operate, and the whole ballast system is paralyzed in severe cases.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ship ballast tank is with crossing filter core aims at solving the current problem that is arranged in the filter core of crossing in the ballast tank and is easily warp or damage because of the impact that receives the ballast water.
In order to achieve the above object, the utility model adopts the following technical scheme: the filter element for the ship ballast tank filter comprises a supporting pipe, a protecting sleeve and a filter assembly; wherein,
the support tube is arranged in the filter of the ship ballast tank, two ends of the support tube are respectively connected with the filter, a tube cavity of the support tube is communicated with a ballast water inlet of the filter, and a plurality of first through holes for ballast water to pass through are formed in the tube wall of the support tube;
the protective sleeve is sleeved outside the supporting tube, two ends of the protective sleeve are connected with the filter, the protective sleeve is positioned at a ballast water outlet of the filter, and a plurality of second through holes for allowing ballast water to pass through are formed in the tube wall of the protective sleeve; and
the filtering assembly is annularly arranged between the supporting pipe and the protective sleeve and is respectively connected with the outer pipe surface of the supporting pipe and the inner pipe surface of the protective sleeve, the filtering assembly is used for filtering ballast water flowing in from the first through hole and enabling the filtered ballast water to flow into a ballast tank through the second through hole, and the filtering assembly and the supporting pipe and the protective sleeve jointly form a three-dimensional supporting framework to prevent damage caused by impact of pressurized ballast water.
As another embodiment of the present application, the filter assembly comprises:
filtering the silk screen; and
and two steel plate nets are arranged on two sides of the filtering wire net respectively, are attached to two side faces of the filtering wire net and are connected with the two side faces of the filtering wire net, a plurality of grids for filtering ballast water are arranged on the steel plate nets, and the steel plate nets are connected with the outer pipe face of the supporting pipe and the inner pipe face of the protective sleeve respectively.
As another embodiment of the application, the filter assembly is arranged along the outer pipe surface of the supporting pipe in a fold line type structure, the point of the fold line type structure, which is far away from the axis of the supporting pipe, is connected with the inner wall surface of the protective sleeve, and the point of the fold line type structure, which is close to the axis of the supporting pipe, is connected with the outer pipe surface of the supporting pipe.
As another embodiment of the present application, the filter assembly is adhesively secured to the support tube and the filter assembly is adhesively secured to the protective sleeve.
As another embodiment of the present application, the filter assembly is disposed along the outer tube surface of the support tube in a sine wave-shaped structure, wherein the wave crests of the sine wave-shaped structure are connected with the inner wall surface of the protection sleeve, and the wave troughs of the sine wave-shaped structure are connected with the outer tube surface of the support tube.
As another embodiment of the present application, the filter assembly is adhesively secured to the support tube and the filter assembly is adhesively secured to the protective sleeve.
As another embodiment of this application, first through-hole is the circular port, the second through-hole is the circular port, the diameter of second through-hole is greater than the diameter of first through-hole.
As another embodiment of the present application, the filter element for a ship ballast tank filter further includes a reinforcement ring for preventing the protection sleeve from being deformed by ballast water impact, the reinforcement ring is sleeved on the outer surface of the protection sleeve and is disposed at the center of the protection sleeve along the length direction of the protection sleeve.
As another embodiment of the present application, the reinforcing ring includes an outer ring abutting against the outer surface of the protective sleeve and an inner ring penetrating through the protective sleeve and the filter assembly and then connecting to the outer surface of the protective sleeve, and the outer ring and the inner ring are integrally formed;
the width of the inner ring is smaller than that of the outer ring, and an annular groove for the inner ring to penetrate through is formed in the protective sleeve.
As another embodiment of the present application, the supporting tube is an aluminum bronze material member.
The utility model provides a ship ballast tank filter lies in with crossing filter core's beneficial effect: compared with the prior art, the utility model discloses ship ballast tank filter is with crossing filter core major structure includes stay tube, protective case and filtration sub-assembly, its simple structure, and the filter effect is good, and the practicality is strong. The supporting pipe is arranged in the ship ballast tank filter, the pipe cavity is communicated with a ballast water inlet of the filter, namely the ballast water in the pipe cavity is seawater, and the filtering assembly can be supported to a certain extent. The array is equipped with a plurality of first through-holes on the stay tube, can carry out first step to the ballast water that flows into in the ballast tank and filter, blocks the bulky material in the sea water to in the ballast tank is flowed into to the ballast water. The protective sleeve can restrain and protect the filter assembly, and a plurality of second through holes for ballast water to pass through are arrayed on the protective sleeve and can facilitate the ballast water to flow into the ballast tank. The filter assembly is arranged in the middle of the supporting pipe and the protective sleeve and can perform fine filtering work on ballast water flowing into the second through hole so as to prevent microorganisms and the like from flowing into the ballast tank along with the ballast water; the filtering assembly can improve the integral structural strength and can not be damaged under the impact of ballast water; in addition, the service life can be prolonged, and the cost is saved. The utility model discloses ballast tank filter is with crossing filter core structural strength height, shock-resistant can improve life, simple structure, and the practicality is strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 to obtain other drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a filter element for a ship ballast tank filter according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a filter element for a ship ballast tank filter according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
in the figure: 10. supporting a tube; 11. a first through hole; 20. protecting the sleeve; 21. a second through hole; 30. a filtration assembly; 31. filtering the silk screen; 32. steel plate nets; 40. a reinforcement ring.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2 together, a filter element for a filter of a ship ballast tank according to the present invention will now be described. The filter element for the ship ballast tank filter comprises a support pipe 10, a protection sleeve 20 and a filter assembly 30. The support pipe 10 is disposed in a filter disposed in a ballast tank of a ship, and both ends of the support pipe are connected to the filter, respectively, a lumen of the support pipe 10 is communicated with a ballast water inlet of the filter, and a plurality of first through holes 11 for allowing ballast water to pass through are disposed on a pipe wall of the support pipe 10. The protective sleeve 20 is sleeved on the support pipe 10, two ends of the protective sleeve are connected with the filter, the protective sleeve 20 is positioned at a ballast water outlet of the filter, the diameter of the protective sleeve 20 is larger than that of the support pipe 10, and a plurality of second through holes 21 for allowing ballast water to pass through are arrayed on the pipe wall of the protective sleeve 20. The filter assembly 30 is annularly disposed between the support tube 10 and the protection sleeve 20, and is respectively connected to the outer surface of the support tube 10 and the inner surface of the protection sleeve 20, the filter assembly 30 is used for filtering the ballast water flowing in from the first through hole 11, and making the filtered ballast water flow into the ballast tank through the second through hole 21, and is also used for forming a three-dimensional support structure together with the support tube 10 and the protection sleeve 20 to prevent the damage caused by the impact of the pressurized ballast water.
The utility model provides a ballast tank filter is with crossing filter core compares with prior art, the utility model discloses ballast tank filter is with crossing filter core major structure includes stay tube 10, protective case 20 and filtering assembly 30, its simple structure, and the filter effect is good, and the practicality is strong. The support tube 10 is disposed in the ship ballast tank filter, and the tube cavity is communicated with the ballast water inlet of the filter, that is, the ballast water in the tube cavity is seawater, which can support the filter assembly 30 to a certain extent. The support pipe 10 is provided with a plurality of first through holes 11 arranged in an array, which can perform a first-step filtration of ballast water flowing into the ballast tank, and block large-volume substances in seawater so as to facilitate the ballast water to flow into the ballast tank. The protective sleeve 20 is capable of restraining and protecting the filter assembly 30, while the protective sleeve 20 is lined with a plurality of second through holes 21 for passage of ballast water, the second through holes 21 being capable of facilitating the flow of ballast water into the ballast tank while also blocking large volumes of matter in the sea water for a degree of filtration of the ballast water. The filter assembly 30 is disposed at the middle position between the support tube 10 and the protection sleeve 20, and can perform a fine filtering operation on the ballast water flowing into the second through hole 21 to prevent microorganisms and the like from flowing into the ballast tank along with the ballast water; the filter assembly 30 also improves the overall structural strength and is not damaged by the impact of ballast water; in addition, the service life can be prolonged, and the cost is saved. The utility model discloses ballast tank filter is with crossing filter core structural strength height, shock-resistant can improve life, simple structure, and the practicality is strong.
As a specific embodiment of the filter core for the ship ballast tank filter provided by the present invention, please refer to fig. 2, 3 and 4, the filter assembly 30 includes a filter screen 31 and a steel plate screen 32. The number of the steel plate meshes 32 is two, and the two steel plate meshes 32 are respectively disposed on two sides of the filtering screen 31 and attached to two side surfaces of the filtering screen 31. Two steel sheet nets 32 press from both sides between be equipped with one and filter silk screen 31 promptly, and the structural strength of filtering sub-assembly 30 can further be improved to this kind of structure, further guarantees filtering sub-assembly 30's shock-resistant ability, simple structure, and the practicality is strong. In addition, the sintering mode of the traditional filter element can be changed, the size of the filter element for the ship ballast tank filter can be reduced, and the occupation of space resources is reduced.
It should be noted that the grid structure of the filtering screen 31 may be cross-shaped or diamond-shaped, which is used for filtering and intercepting microorganisms above 50 microns, and the filtering screen 31 is prior art and will not be described herein again.
As a specific implementation manner of the filter element for the ship ballast tank filter provided in the embodiment of the present invention, please refer to fig. 3, the filter assembly 30 is disposed along the outer tube surface of the support tube 10 in a zigzag structure, the point of the zigzag structure far away from the axis of the support tube 10 is connected to the inner wall surface of the protection sleeve 20, and the point of the zigzag structure near the axis of the support tube 10 is connected to the outer tube surface of the support tube 10. That is, a plurality of triangular structures are arranged between the support tube 10 and the protection sleeve 20, and the triangular structures have good stability and can increase the strength of the overall structure formed by the three. Furthermore, the filtering area of the ballast water can be increased to improve the efficiency of the ballast water filtering.
As a specific implementation manner of the filter element for the ship ballast tank filter provided in the embodiment of the present invention, please refer to fig. 4, in which the filter assembly 30 is fixedly bonded to the support tube 10, and the filter assembly 30 is fixedly bonded to the protection sleeve 20. The structure is convenient to install, disassemble and maintain.
The glue used for bonding may be a special glue resistant to seawater.
As a specific implementation manner of the filter element for the ship ballast tank filter provided by the embodiment of the present invention, please refer to fig. 1 to 4, the filter assembly 30 is disposed along the outer tube surface of the support tube 10 in a sine wave structure, the wave crest of the sine wave structure is connected to the inner wall surface of the protection sleeve 20, and the wave trough is connected to the outer tube surface of the support tube 10. The sine wave type structure can further increase the filtration area of ballast water while increasing the stability of the whole body so as to further improve the efficiency of ballast water filtration work, and the sine wave type structure is simple in structure and high in practicability.
As a specific implementation manner of the filter element for the ship ballast tank filter according to the embodiment of the present invention, please refer to fig. 1 to 4, the filter assembly 30 is adhered and fixed to the support tube 10, and the filter assembly 30 is adhered and fixed to the protection sleeve 20. The structure is convenient to install, disassemble and maintain.
The glue used for bonding may be a special glue resistant to seawater.
As an embodiment of the filter element for a ship ballast tank filter provided in the present invention, please refer to fig. 1 to 2, the first through hole 11 is a circular hole, the second through hole 21 is a circular hole, and the diameter of the second through hole 21 is larger than the diameter of the first through hole 11. The first through hole 11 can perform first-layer filtering on seawater to prevent substances with larger volume from entering, and can ensure stable filtering operation; in addition, the second through-holes 21 are mainly used for injecting ballast water, and a smaller hole diameter can facilitate an increase in the supporting strength of the supporting pipe 10.
As a specific implementation manner of the filter element for the ship ballast tank filter provided by the embodiment of the present invention, please refer to fig. 1 and 5, the filter element for the ship ballast tank filter further includes a reinforcing ring 40 for preventing the protection sleeve 20 from being impacted by the pressurized water and being deformed, the reinforcing ring 40 is sleeved on the outer surface of the protection sleeve 20, and is disposed at the center of the protection sleeve 20 along the length direction of the protection sleeve 20. The reinforcing ring 40 can ensure the stability of the whole structure, and at the same time, can fix the protection sleeve 20 and the filter assembly 30 to further ensure the strength of the whole.
As a specific implementation manner of the filter element for the ship ballast tank filter provided in the embodiment of the present invention, please refer to fig. 1 and 5, the reinforcement ring 40 is provided with an outer ring for abutting against the outer surface of the protection sleeve 20, and an inner ring connected with the outer ring and connected with the outer surface of the protection sleeve 20 after passing through the protection sleeve 20 and the filter assembly 30. Wherein, the width of inner circle is less than the width of outer lane. That is, the cross section of the reinforcing ring 40 is T-shaped, the head portion of the reinforcing ring abuts against the protective sleeve 20, and the tail portion of the reinforcing ring passes through the protective sleeve 20 and the filter assembly 30 to be connected to the outer surface of the support tube 10.
As the embodiment of the utility model provides a ship ballast tank is with a concrete implementation of filter core please refer to fig. 1, and stay tube 10 is the aluminium bronze material component, and first through-hole 11 is for punching a hole, and its resistant sea water corrosivity is strong, can use for a long time, increases the change cycle, can practice thrift the cost.
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 modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The filter element for the ship ballast tank filter is characterized by comprising a supporting pipe, a protecting sleeve and a filter assembly; wherein,
the supporting pipe is arranged in the filter of the ship ballast tank, two ends of the supporting pipe are respectively fixedly installed with the filter, a pipe cavity of the supporting pipe is communicated with a ballast water inlet of the filter, and a plurality of first through holes for ballast water to pass through are formed in the pipe wall of the supporting pipe;
the protective sleeve is sleeved outside the supporting tube, two ends of the protective sleeve are connected with the filter, the protective sleeve is positioned at a ballast water outlet of the filter, and a plurality of second through holes for allowing ballast water to pass through are formed in the tube wall of the protective sleeve; and
the filtering assembly is annularly arranged between the supporting pipe and the protective sleeve and is respectively connected with the outer pipe surface of the supporting pipe and the inner pipe surface of the protective sleeve, the filtering assembly is used for filtering ballast water flowing in from the first through hole and enabling the filtered ballast water to flow into a ballast tank through the second through hole, and the filtering assembly is further used for enhancing the strength of the supporting pipe and the strength of the protective sleeve.
2. The filter element for a ship ballast tank filter according to claim 1, wherein said filter assembly comprises:
filtering the silk screen; and
and two steel plate nets are arranged on two sides of the filtering wire net respectively, are attached to two side faces of the filtering wire net and are connected with the two side faces of the filtering wire net, a plurality of grids for filtering ballast water are arranged on the steel plate nets, and the steel plate nets are connected with the outer pipe face of the supporting pipe and the inner pipe face of the protective sleeve respectively.
3. The filter element for a ship ballast tank filter according to claim 1, wherein the filter assembly is disposed along the outer tube surface of the support tube in a zigzag structure, the zigzag structure being connected to the inner wall surface of the protection sleeve at a point away from the axis of the support tube, and the zigzag structure being connected to the outer tube surface of the support tube at a point close to the axis of the support tube.
4. The filter element for a marine ballast tank filter according to claim 3, wherein said filter assembly is adhesively fixed to said support tube and said filter assembly is adhesively fixed to said protective sleeve.
5. The filter element for a ship ballast tank filter according to claim 1, wherein the filter assembly is provided along the outer tube surface of the support tube in a sine wave-shaped structure, peaks of the sine wave-shaped structure being connected to the inner wall surface of the protection sleeve, and valleys of the sine wave-shaped structure being connected to the outer tube surface of the support tube.
6. The filter element for a marine ballast tank filter according to claim 5, wherein said filter assembly is adhesively fixed to said support tube and said filter assembly is adhesively fixed to said protective sleeve.
7. The filter element for a ship ballast tank filter according to claim 1, wherein said first through-hole is a circular hole, and said second through-hole is a circular hole, and a diameter of said second through-hole is larger than a diameter of said first through-hole.
8. The filter element for a ship ballast tank filter according to claim 1, further comprising a reinforcing ring for preventing the protective sleeve from being deformed by the ballast water, wherein the reinforcing ring is disposed on the outer surface of the protective sleeve and at a central position of the protective sleeve along the length direction of the protective sleeve.
9. The filter element for a marine ballast tank filter according to claim 8, wherein the reinforcing ring comprises an outer ring for abutting against the outer surface of the protective sleeve and an inner ring for passing through the protective sleeve and the filter assembly and then joining to the outer surface of the protective sleeve, the outer ring and the inner ring being of an integral structure;
the width of the inner ring is smaller than that of the outer ring, and an annular groove for the inner ring to penetrate through is formed in the protective sleeve.
10. The filter element for a ship ballast tank filter according to claim 1, wherein the support tube is an aluminum bronze member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020978870.7U CN212523225U (en) | 2020-06-01 | 2020-06-01 | Filter element for ship ballast tank filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020978870.7U CN212523225U (en) | 2020-06-01 | 2020-06-01 | Filter element for ship ballast tank filter |
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| Publication Number | Publication Date |
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| CN212523225U true CN212523225U (en) | 2021-02-12 |
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| CN202020978870.7U Active CN212523225U (en) | 2020-06-01 | 2020-06-01 | Filter element for ship ballast tank filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877266A (en) * | 2021-10-22 | 2022-01-04 | 中船黄埔文冲船舶有限公司 | Filtering device |
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2020
- 2020-06-01 CN CN202020978870.7U patent/CN212523225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877266A (en) * | 2021-10-22 | 2022-01-04 | 中船黄埔文冲船舶有限公司 | Filtering device |
| CN113877266B (en) * | 2021-10-22 | 2023-03-21 | 中船黄埔文冲船舶有限公司 | Ballast tank containing filter equipment |
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