CN204659962U - The anti-alluvial structure of a kind of ballast tank - Google Patents
The anti-alluvial structure of a kind of ballast tank Download PDFInfo
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- CN204659962U CN204659962U CN201420855300.3U CN201420855300U CN204659962U CN 204659962 U CN204659962 U CN 204659962U CN 201420855300 U CN201420855300 U CN 201420855300U CN 204659962 U CN204659962 U CN 204659962U
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- ballast tank
- alluvial
- aggregate
- diving
- precipitated impurities
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Abstract
The anti-alluvial structure of a kind of ballast tank, comprises the aggregate that is disposed on ballast tank bottom, and the interval, aggregate top in ballast tank is provided with multiplely disturbs mud device for disturbance repeatedly and broken alluvial precipitated impurities. This kind of anti-alluvial structure, its structure is simple, and cost is low, takes up room little, Ship Structure can not be changed and increase Ship Structure weight, therefore, being applicable to any ship type, applied widely; And the problem of seawater as the alluvial a large amount of continuous deposition of precipitated impurities in the ballast tank of ballast water and adhesion is utilized because this kind of anti-alluvial structure can directly solve, therefore, reduce the loading capacity that mud in shipping transport consumes, significantly reduce the use cost of boats and ships; And, when dockage is keeped in repair, by the cleaning of this kind of anti-alluvial structure to ballast tank, significantly alleviate the workload of labor cleaning's ballast tank, improve maintenance of the vessel operating efficiency, reduce cost of labor.
Description
Technical field
The utility model relates to the ballast tank on boats and ships, particularly the anti-alluvial structure in ballast tank.
Background technology
The ballast tank of boats and ships is cabins of placing ballast water, for improving the stability of boats and ships, at present, the ballast water of ballast tank is all taken from the seawater in ship running region, salt or the calcified material silt that effluent water slug brings generally is contained in its water, the impurity such as organic matter and mineral matter, because these impurity proportions are larger, therefore, be easy to form sediment and be deposited on bottom ballast tank, and there is post-depositional impurity at gravity, hydraulic pressure, the bilge firmly can be attached under biological and chemical effect, the surface of bulkhead and aggregate (being steel plate), and these attachments are conventionally to the bilge, bulkhead and aggregate have corrosiveness, destroy the bilge, the dope layer on bulkhead and aggregate surface, destroy the bilge further, the mechanical property of bulkhead and aggregate, reduce the mechanical property of ballast tank, simultaneously, add the weight of boats and ships self, consume load ton, increase the financial burden of shipping transport.
At present, unresolved the problems referred to above, those skilled in the art solve ballast tank impurity alluvial problem conventionally in the following ways: 1, utilize seawater filter technology, special sea water filter is utilized to remove most of seawater impurity, to reduce the alluvial situation of ballast tank, but, with the filtration system technical sophistication of this kind of sea water filter, cost is high, and power consumption is large, the technical parameters such as ballast pump pressure head and power often need to be improved, change ballast line principle, though this kind of filtration system can delay the ballast tank impurity alluvial time, but along with the increase of navigation time of ship, when there is impurity alluvial in ballast tank, this kind of filtration system but cannot solve the impurity alluvial problem in ballast tank, simultaneously, this kind of filtration system also can take certain cabin space, the space availability ratio of watercraft engine room is reduced, 2, unballast water tank design is then on boats and ships, not design ballast tank, thus ballast tank impurity alluvial problem would not be had, and still, the design of unballast water tank is only applicable to some specific ship type, and the technical scheme of non-universal, 3, fresh water ballast tank, then when ship berthing at harbour, the fresh water that uses its port service facility to provide is poured in ballast tank, for stability when keeping vessel motion, ballast tank impurity alluvial problem can be solved preferably although add fresh waterflood in ballast tank, in the ballast tank of large ship, add fresh waterflood and can improve the use cost of boats and ships, therefore, medium and small-scale vessel is only applicable to, 4, ballast tank is designed to divide up and down cabin structure, the dividing plate of upper strata ballast tank and lower floor's ballast tank is provided with the vertical pipeline that is communicated with the two, push up near the cabin of upper strata ballast tank on the top of vertical pipeline, in the water tank of upper strata, be also provided with clean equipment is carried out to the water in the ballast tank of upper strata, thus, after the water in the ballast tank of upper strata being cleaned by cleaning equipment, the ballast water that the top of upper strata ballast tank is comparatively cleaned can be imported in lower floor's ballast tank by vertical pipeline, the time of impurity alluvial is there is to delay lower floor's ballast tank, but, along with the increase of vessel motion time, this kind of structure still cannot avoid lower floor's water tank to occur the problem of impurity alluvial, simultaneously, this kind of structural change the Ship Structure of boats and ships, add the construction weight of boats and ships, increase shipbuilding cost, be not suitable for medium and small-scale vessel, 5, by the impurity of alluvial in labor cleaning's ballast tank, also be the current sweep-out method the most often using, when the dockage maintenance period, by manually the alluvial impurity in ballast tank being cleared up, because the impurity depositing in ballast tank is more, and comparatively firm, therefore, work under bad environment, add workman's working time, elimination efficiency is low.
Utility model content
The utility model aims to provide a kind of anti-alluvial structure of ballast tank that ballast impurities in water alluvial can be prevented in vessel motion process.
The anti-alluvial structure of a kind of ballast tank described in the utility model, comprises the aggregate that is disposed on ballast tank bottom, and the interval, aggregate top in ballast tank is provided with multiplely disturbs mud device for disturbance repeatedly and broken alluvial precipitated impurities.
The anti-alluvial structure of a kind of ballast tank described in the utility model, because being provided with, the aggregate top in ballast tank multiplely disturbs mud device for disturbance repeatedly and broken alluvial precipitated impurities, by disturbing disturbance repeatedly and the fragmentation repeatedly of mud device, thus at the bottom of shatter ballast tank, the impurity of alluvial precipitation on aggregate surface and ballast tank sidewall, impurity is shattered and forms enough tiny particle, thus can be suspended in ballast water, when getting rid of ballast water, be shattered by impurity the fine particle thing forming to release with ballast water, thus effectively prevent ballast tank bottom, ballast tank sidewall and aggregate form alluvial precipitated impurities on the surface, elimination efficiency is high. this kind of anti-alluvial structure, its structure is simple, and cost is low, takes up room little, Ship Structure can not be changed and increase Ship Structure weight, therefore, being applicable to any ship type, applied widely, and do not change the original ballast system of boats and ships completely due to this kind of anti-alluvial structure, can directly solve and utilize seawater as alluvial precipitated impurities problem in the ballast tank of ballast water, and without the need to taking other measure, therefore, significantly reduce the use cost of boats and ships, in addition, owing to directly being solved the problem of alluvial precipitation in ballast tank by this kind of anti-alluvial structure in vessel motion, and, when dockage is keeped in repair, also can be cleaned ballast tank by this anti-alluvial structure, significantly alleviate the workload of labor cleaning's ballast tank, improve maintenance of the vessel operating efficiency, reduce cost of labor.
Accompanying drawing explanation
Fig. 1 is the anti-alluvial structural representation of ballast tank of the present utility model.
Detailed description of the invention
The anti-alluvial structure of a kind of ballast tank, as shown in Figure 1, comprises the aggregate 2 that is disposed on ballast tank 1 bottom, and aggregate 2 interval, top in ballast tank 1 is provided with multiplely disturbs mud device for disturbance repeatedly and broken alluvial precipitated impurities.
The described mud device of disturbing for disturbance repeatedly and broken alluvial precipitated impurities is cavity generator, and cavity generator is connected with the dynamic control device outside ballast tank 1. At the bottom of need to ballast tank, the precipitated impurities on sidewall and aggregate 2 surface is when clearing up, cavity is sent by dynamic control device intermittency check cavity generator, duck in drink floating upward quickly supervene supercavity of sky, when breaking, each supercavity cavitation effect can be produced, and great shock wave can be produced within the specific limits, disturbance and fragmentation are carried out to the precipitated impurities on the bilge, bulkhead and aggregate surface, these sediments are shattered becomes fine particle thing, to be suspended in water, thus play the effect of cleaning the bilge, bulkhead and aggregate 2 surface. Described cavity generator can be accessed marine domestic fresh water system by the dynamic control device outside ballast tank, is sprayed fresh water by cavity generator, for the cleaning of compressed air hose pipeline and ballast tank.
Describedly disturb mud device for diving supersonic generator 3 for disturbance repeatedly and broken alluvial precipitated impurities, diving supersonic generator 3 is connected with the dynamic control device outside ballast tank 1, by the dynamic control device intermittency check ultrasonic wave that supersonic generator 3 sends of diving under water, make generation cavity in ballast water, the floating upward quickly produce supercavity thus sky ducks in drink, and then each supercavity break after produce Cavitation, produce great shock wave within the specific limits, to the bilge, the precipitated impurities on bulkhead and aggregate 2 surface is carried out disturbance and fragmentation, these sediments are shattered becomes fine particle thing, to be suspended in water, thus play the cleaning bilge, the effect on bulkhead and aggregate 2 surface.
The described mud device of disturbing for disturbance repeatedly and broken alluvial precipitated impurities is cavity generator and the diving supersonic generator 3 combinationally using, cavity generator is connected with the dynamic control device outside ballast tank 1 respectively with diving supersonic generator 3, worked or alternation by cavity generator and diving supersonic generator 3 intermittence simultaneously, thus to the precipitated impurities on bulkhead, the bilge and aggregate 2 surface clean more clean, cleaning performance is better.
Described cavity generator comprises the compressed air hose 4 that is arranged on aggregate 2 top, compressed air hose 4 stretches out many arms 5 to side, corresponding at least one high pressure air jet nozzles with one way stop peturn valve of connection of each arm 5, stretch out outside ballast tank 1 described compressed air hose 4 one end, and be connected with dynamic control device. At the bottom of need to ballast tank, the precipitated impurities on sidewall and aggregate 2 surface is when clearing up, compressed air hose 4 is entered by dynamic control device intermittency check pressure-air, and then the pressure-air in compressed air hose 4 enters the many arms 5 that stretch out compressed air hose 4 side again, thus, by corresponding high pressure air jet nozzles, pressure-air is sprayed, because the pressure-air of ejection discharges fast in water, to the sediment that periphery is deposited on the bilge, bulkhead and aggregate 2, disturbance, impact and cavity can be produced.
Top between adjacent aggregate 2 at least arranges an arm 5 with high pressure air jet nozzles, thus can guarantee that the bilge, bulkhead and aggregate 2 surface within the scope of this can be cleaned up.
The quantity of the diving supersonic generator 3 that described aggregate 2 top arranges is 2≤X≤5, the dead angle situation that forms impurity alluvial according to most probable in actual cost and ballast tank structure determine, when cost is minimum, the alluvial on the ballast tank bilge, bulkhead, aggregate 2 is precipitated and cleans out guaranteeing.
Diving supersonic generator 3 top is provided with protecting against shock protective cover, damages diving supersonic generator 3 when preventing the ballast water of flowing from impacting.
Between described high pressure air jet nozzles and ballast tank 1 bulkhead at a distance of more than 1m, between described diving supersonic generator 3 and ballast tank 1 bulkhead at a distance of more than 1m, thus can avoid Cavitation that cavity produces to bulkhead and on coating produce and damage.
The boundary-layer 6 that prevents alluvial precipitated impurities firm attachment is provided with in ballast tank 1 lower surface, thus make alluvial precipitated impurities that the bilge firmly can not be attached to, simultaneously, coordinate the effect of disturbing mud device, alluvial precipitated impurities can be more efficientlyly made to be shattered and to be suspended in water, at the bottom of making ballast tank, aggregate wait for death Angle Position the generation activity of alluvial impurity and stir loose, reach convenient object of discharging.
The described boundary-layer 6 of alluvial precipitated impurities firm attachment that prevents is ultra-high molecular weight polyethylene board, molecular weight more than 1,000,000. This kind of ultra-high molecular weight polyethylene is to be polymerized under Ziegler catalyst effect by ethene or ethene and alpha-olefin, it has excellent mechanical performance, there is self-lubricating and difficult adhesiveness, wearability and low-temperature impact resistance, simultaneously, it also has good chemical proofing and nontoxic character feature, therefore, alluvial precipitated impurities can be effectively prevented firmly to be attached on this boundary-layer 6.
Claims (10)
1. the anti-alluvial structure of ballast tank, comprise the aggregate (2) that is disposed on ballast tank (1) bottom, it is characterized in that: the interval, aggregate (2) top in ballast tank (1) is provided with multiplely disturbs mud device for disturbance repeatedly and broken alluvial precipitated impurities.
2. the anti-alluvial structure of a kind of ballast tank according to claim 1, is characterized in that: the described mud device of disturbing for disturbance repeatedly and broken alluvial precipitated impurities is cavity generator, and cavity generator is connected with ballast tank (1) dynamic control device outward; Or describedly disturb mud device for diving supersonic generator (3) for disturbance repeatedly and broken alluvial precipitated impurities, diving supersonic generator (3) is connected with the dynamic control device outside ballast tank (1); Or the described mud device of disturbing for disturbance repeatedly and broken alluvial precipitated impurities is cavity generator and the diving supersonic generator (3) combinationally using, and cavity generator and diving supersonic generator (3) are connected with the dynamic control device outside ballast tank (1) respectively.
3. the anti-alluvial structure of a kind of ballast tank according to claim 2, it is characterized in that: described cavity generator comprises the compressed air hose (4) that is arranged on aggregate (2) top, compressed air hose (4) stretches out many arms (5) to side, at least one high pressure air jet nozzles with one way stop peturn valve of the corresponding connection of each arm (5), stretch out outside ballast tank (1) described compressed air hose (4) one end, and be connected with dynamic control device.
4. the anti-alluvial structure of a kind of ballast tank according to claim 3, is characterized in that: the top between adjacent aggregate (2) at least arranges an arm with high pressure air jet nozzles (5).
5. the anti-alluvial structure of a kind of ballast tank according to claim 2, is characterized in that: the quantity of the diving supersonic generator (3) that described aggregate (2) top arranges is 2≤X≤5.
6. the anti-alluvial structure of a kind of ballast tank according to claim 2 or 5, is characterized in that: diving supersonic generator (3) top is provided with protecting against shock protective cover.
7. the anti-alluvial structure of a kind of ballast tank according to claim 3 or 4, is characterized in that: between described high pressure air jet nozzles and ballast tank (1) bulkhead at a distance of more than 1m.
8. the anti-alluvial structure of a kind of ballast tank according to claim 2 or 5, is characterized in that: between described diving supersonic generator (3) and ballast tank (1) bulkhead at a distance of more than 1m.
9. the anti-alluvial structure of a kind of ballast tank according to claim 1, is characterized in that: be provided with the boundary-layer (6) that prevents alluvial precipitated impurities firm attachment in ballast tank (1) lower surface.
10. the anti-alluvial structure of a kind of ballast tank according to claim 9, is characterized in that: described in prevent the boundary-layer (6) of alluvial precipitated impurities firm attachment from being ultra-high molecular weight polyethylene board, molecular weight more than 1,000,000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420855300.3U CN204659962U (en) | 2014-12-30 | 2014-12-30 | The anti-alluvial structure of a kind of ballast tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420855300.3U CN204659962U (en) | 2014-12-30 | 2014-12-30 | The anti-alluvial structure of a kind of ballast tank |
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| Publication Number | Publication Date |
|---|---|
| CN204659962U true CN204659962U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420855300.3U Withdrawn - After Issue CN204659962U (en) | 2014-12-30 | 2014-12-30 | The anti-alluvial structure of a kind of ballast tank |
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| CN (1) | CN204659962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527929A (en) * | 2014-12-30 | 2015-04-22 | 广州文冲船厂有限责任公司 | Water ballast tank anti-sediment structure |
-
2014
- 2014-12-30 CN CN201420855300.3U patent/CN204659962U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104527929A (en) * | 2014-12-30 | 2015-04-22 | 广州文冲船厂有限责任公司 | Water ballast tank anti-sediment structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150923 Effective date of abandoning: 20170405 |