CN102556290A - Self-unloading cement ship capable of reducing unloading residual quantity - Google Patents
Self-unloading cement ship capable of reducing unloading residual quantity Download PDFInfo
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- CN102556290A CN102556290A CN2011104439279A CN201110443927A CN102556290A CN 102556290 A CN102556290 A CN 102556290A CN 2011104439279 A CN2011104439279 A CN 2011104439279A CN 201110443927 A CN201110443927 A CN 201110443927A CN 102556290 A CN102556290 A CN 102556290A
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Abstract
The invention relates to an improved structure for a cargo ship, and particularly relates to a self-unloading cement ship capable of reducing unloading residual quantity. The cement ship comprises a plurality of cargo compartments, the inner bottom of each cargo compartment is formed in a way that the central line of the ship is taken as a symmetry axis, three wobble plates are spliced together at each side, one is a cross wobble plate (2), the other two are longitudinal wobble plates (1), and the whole inner bottom of the cargo compartment is in the shape of a hopper; a chute (9) is recessed into the middle of the inner bottom at the symmetry axis of the ship along the length direction of the ship; and a vertical spiral conveying device (4) is arranged in the center of each cargo compartment, awning cloth is paved on the inner bottom of the cement ship, the periphery of the awning cloth and the inner bottom are fixedly connected with through bolts, a plurality of inflating pipes (7) facing upwards vertically are distributed on the lower surface of the inner bottom, and the plurality of inflating pipes (7) are communicated with an air blower (5) through an inflating header pipe (6). When the self-unloading cement ship is combined with a special air flow bed, the 100% unloading ratio can be achieved, so that the economy is improved. The improved structure is firstly put forward in the field, and has a particularly excellent effect and creativity.
Description
Technical field
The present invention relates to a kind of structure-improved of shipping boats and ships, the self-unloading concrete ship that particularly relates to shipping bulk cement reduces a kind of structure-improved of discharging residual quantity.
Background technology
Cement all needs a large amount of the use as the important foundation material of nation-building in fields such as each item economic construction, national defence industry, people's livelihood capital constructions.
The transportation of a large amount of cement now almost will rely on the sea-freight that cost is low, freight volume is big entirely and accomplish.And use the problem of conventional bulge carrier transportation cement mainly to be to clear the ship difficulty, and needing thorough washing of tanks when delivering other goods more in addition, the increase of cost of labor has reduced economy, and specially cement carrier arises at the historic moment thus.
A kind of efficiently embodiment of self-unloading concrete ship is need not bring down stocks; If but a large amount of residual cement (often reach the hundreds of ton even go up kiloton) are all arranged when unloading in the cargo hold at every turn; This part cement has just become Fixed Ballast virtually, has correspondingly also just influenced economy.Therefore how reaching maximum discharging rate is the problem that must face.
The end in the level that is generally in tradition cement shipload cabin, or have only horizontal or vertical unidirectional bevelled form.The discharging rate of cement has been improved at the end in the unidirectional bevelled, but the real ship from operation, each discharged, the corner of bottom in non-inclination still has a certain amount of residual cement.For the concrete ship of a ton, residual quantity often reaches the hundreds of ton.
Summary of the invention
The objective of the invention is to provide a kind of structure that can change present self-unloading concrete ship, can improve the unloading ships rate, promptly reduce the transport of cement cost.
The object of the invention is realized by following technical scheme.
A kind of self-unloading concrete ship that reduces the discharging residual quantity is characterized in that:
Said concrete ship has a plurality of cargo holds, and the interior end of each cargo hold is an axis of symmetry with the center line of boat; Every side is spliced to form by three swash plates, and in the middle of wherein one is plate crosswise, outside height; Middle low, with two of symmetrical bonded assemblys before and after it be the rake plate, the rake plate is both to axis of symmetry; Also the plate crosswise in the middle of being positioned at tilts, and the end is infundibulate in the whole cargo hold;
Be recessed into a chute along captain's direction in the axis of symmetry of boats and ships at the end;
At each cargo hold center a vertical spin feedway is set, the both sides of vertical spin feedway bottom captain's direction are the inlet of Powdered cement;
Lay tarpaulin at the interior end of said concrete ship, be connected by bolt with the interior end around the tarpaulin, a plurality of appendixs vertically upward of configuration below the interior end, a plurality of appendixs are communicated with blowing engine through the inflation house steward.
The control cock that the may command inlet opens or closes is set in Powdered cement entrance, said helix transporting device bottom.
The degree of depth of said groove is a 0.8-1.2 rice, and width is a 1.8-2.5 rice.
The lateral inclination angle of said plate crosswise is the 8-10 degree, and the horizontal and vertical angle of inclination of rake plate (1) is the 8-10 degree.
The width of said helix transporting device is identical with groove, and the bottom is embedded in the bottom of groove.
Adopt technical scheme of the present invention, during near bilge portion, because the interior end of each cargo hold of concrete ship is an axis of symmetry with the center line of boat, every side is spliced by three swash plates when automatic unloading cement.A swash plate lateral inclination wherein laterally and vertically tilts respectively with two swash plates of symmetrical bonded assembly before and after it, and the end is the funnel pattern in the whole cargo hold; Be recessed into a chute along captain's direction at interior the end;
Thus, the end, make cement can be to greatest extent focus on the cargo hold center through self gravity in the cargo hold of funnel type.During unloading ships, the control cock of the vertical spin feedway bottom in the middle of the cargo hold is opened, and cement flows into wherein through action of gravity, through upwards output of helix transporting device.When discharging rate reaches about 95% the time; Powdered cement can not lean on action of gravity to flow into the nadir at cargo hold center again; At this moment blowing engine is opened; Appendix under wind passes in each cargo hold through the inflation house steward, the tarpaulin on the air flow bed is at the effect lower stress of appendix, and the friction force between cement and the tarpaulin makes it slowly to flow into the cargo hold center.
Beneficial effect of the present invention: economy is the problem that self-unloading concrete ship of new generation need be considered.In order to reach higher discharging rate, the present invention has designed the interior end of diclinic degree of approximate type funnel type, and the gradient at the interior end draws through test according to the characteristic of cement.Bear building-up closes the distinctive air flow bed of self-unloading concrete ship in the diclinic degree, can reach 100% discharging rate, has improved economy greatly.
This structure is that the present invention proposes in this area first, and than the be significantly increased effect of cement discharging rate of prior art, in the today of carrying out capital construction energetically, the present invention has the meaning of particular importance, has excellent effect and creativeness.
Description of drawings
Fig. 1 reduces one of the embodiment of the self-unloading concrete ship of discharging residual quantity, the drawing in side sectional elevation of self-unloading concrete ship cargo hold for the present invention;
Fig. 2 reduces one of the embodiment of the self-unloading concrete ship of discharging residual quantity, the part lateral plan of self-unloading concrete ship cargo hold for the present invention;
Fig. 3 the present invention reduces the schematic perspective view of the self-unloading concrete ship cargo hold inner bottom part branch of discharging residual quantity.
1 is rake plate, the 2nd among the figure, plate, the 3rd crosswise, tarpaulin, the 4th, helix transporting device, the 5th, blowing engine, the 6th, inflation house steward, the 7th, appendix, the 8th, cement inlet, the 9th, groove.
The practical implementation method
Below in conjunction with accompanying drawing further explain structure of the present invention.
A kind of self-unloading concrete ship that reduces the discharging residual quantity, said concrete ship has a plurality of cargo holds, the interior end of each cargo hold; With the center line of boat is axis of symmetry, and every side is spliced to form by three swash plates, and in the middle of wherein one is plate 2 crosswise; The outside is high, and is middle low, with two of symmetrical bonded assemblys before and after it be rake plate 1; Rake plate 1 is both to axis of symmetry, and also the plate crosswise in the middle of being positioned at 2 tilts, and the end is infundibulate in the whole cargo hold; Structure like this, residual cement accumulates to central lowest part by the gravity slippage easily.
Be recessed into a chute 9 along captain's direction in the axis of symmetry of boats and ships at the end; Residual cement accumulates to chute 9 places then.
At each cargo hold center a vertical spin feedway 4 is set, the both sides of vertical spin feedway 4 bottom captain's directions are the inlet 8 of Powdered cement; By vertical spin feedway 4 residual cement is upwards promoted, again output outward.
Lay tarpaulin 3 at the interior end of said concrete ship, be connected by bolt with the interior end around the tarpaulin 3, a plurality of appendixs 7 vertically upward of configuration below the interior end, a plurality of appendixs 7 are communicated with blowing engine 5 through inflation house steward 6.When residual quantity seldom the time, adopt this apparatus structure, further concentrate a spot of residual cement by shake, vibration.
Powdered cement 8 places that enter the mouth are provided with the control cock that may command inlet opens or closes in said helix transporting device 4 bottoms.More convenient to operate, open or valve-off by the unloading situation.
The degree of depth of said groove 9 is a 0.8-1.2 rice, and width is a 1.8-2.5 rice.Favourable residual cement is concentrated to vertical spin feedway 4 places.
The lateral inclination angle of said plate crosswise 2 is the 8-10 degree, and the horizontal and vertical angle of inclination of rake plate 1 is the 8-10 degree.Through calculating and test, in this scope, can obtain gravity slippage preferably and gather effect, can reduce again simultaneously to rise so high the volume of compartment loss that brings because hold all around at the interior end of cargo hold as far as possible.Finding out thus that front and back rake plate 1 should lateral inclination yet, tilt before and after again, guarantee to possess groove 9 again, is not a complete rectangular plate therefore, the both sides in its outside through with cargo hold before and after end wall and sidewall intersect and form.
The width of said helix transporting device 4 is identical with groove 9, and the bottom is embedded in the bottom of groove 9.
During unloading ships, the control cock of vertical spin feedway 4 bottoms in the middle of the cargo hold is opened, and cement flows into wherein through action of gravity, through upwards output of helix transporting device 4.When discharging rate reaches about 95% the time; Powdered cement can not lean on action of gravity to flow into the nadir at cargo hold center again; At this moment blowing engine 5 is opened; Appendix 7 under wind passes in each cargo hold through inflation house steward 6, the tarpaulin 3 on the air flow bed is at the effect lower stress of appendix 7, and the friction force between cement and the tarpaulin makes it slowly to flow into the cargo hold center.
Tank top plate is designed to each funnel type form of 8 ° in length and breadth, makes cement can focus on the center of cargo hold to greatest extent through the action of gravity of self.Solved the fall problem of a large amount of residual cement of base angle in the unidirectional inclination.Simultaneously, because the only surplus little cement in the interior end after the action of gravity, so the power of air blast pump also can correspondingly reduce.
Claims (5)
1. self-unloading concrete ship that reduces the discharging residual quantity is characterized in that:
Said concrete ship has a plurality of cargo holds, and the interior end of each cargo hold is an axis of symmetry with the center line of boat; Every side is spliced to form by three swash plates, and in the middle of wherein one is plate (2) crosswise, outside height; Middle low, with two of symmetrical bonded assemblys before and after it be rake plate (1), rake plate (1) is both to axis of symmetry; Also the plate crosswise (2) in the middle of being positioned at tilts, and the end is infundibulate in the whole cargo hold;
Be recessed into a chute (9) along captain's direction in the axis of symmetry of boats and ships at the end;
At each cargo hold center a vertical spin feedway (4) is set, the both sides of vertical spin feedway (4) bottom captain's direction are the inlet (8) of Powdered cement;
Lay tarpaulin (3) at the interior end of said concrete ship, be connected by bolt with the interior end around the tarpaulin (3), a plurality of appendixs (7) vertically upward of configuration below the interior end, a plurality of appendixs (7) are communicated with blowing engine (5) through inflation house steward (6).
2. according to the self-unloading concrete ship of the said reduction discharging of claim 1 residual quantity, it is characterized in that Powdered cement inlet (8) locates to be provided with the control cock that the may command inlet opens or closes in said helix transporting device (4) bottom.
3. according to the self-unloading concrete ship of the said reduction discharging of claim 1 residual quantity, the degree of depth that it is characterized in that said groove (9) is a 0.8-1.2 rice, and width is a 1.8-2.5 rice.
4. according to the self-unloading concrete ship of the said reduction discharging of claim 1 residual quantity, the lateral inclination angle that it is characterized in that said plate crosswise (2) is the 8-10 degree, and the horizontal and vertical angle of inclination of rake plate (1) is the 8-10 degree.
5. according to the self-unloading concrete ship of the said reduction discharging of claim 1 residual quantity, it is characterized in that the width of said helix transporting device (4) is identical with groove (9), the bottom is embedded in the bottom of groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104439279A CN102556290A (en) | 2011-12-26 | 2011-12-26 | Self-unloading cement ship capable of reducing unloading residual quantity |
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| CN2011104439279A CN102556290A (en) | 2011-12-26 | 2011-12-26 | Self-unloading cement ship capable of reducing unloading residual quantity |
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| CN102556290A true CN102556290A (en) | 2012-07-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118531A (en) * | 2014-07-21 | 2014-10-29 | 上海外高桥造船有限公司 | Unequal-height edge folding method for inclined longitudinal bulkhead of single-hull bulk cargo ship and single-hull bulk cargo ship |
| CN108909949A (en) * | 2018-06-12 | 2018-11-30 | 长沙盛谷仓储物流有限公司 | Novel automatic bulk powder transporting ship |
| CN113353198A (en) * | 2021-07-13 | 2021-09-07 | 中集船舶海洋工程设计研究院有限公司 | Bulk cement ship |
| CN113636026A (en) * | 2020-12-04 | 2021-11-12 | 招商局重工（江苏）有限公司 | Rapid ballast system of semi-submersible type hoisting and dismantling platform and operation method thereof |
| CN114802323A (en) * | 2022-04-07 | 2022-07-29 | 中车眉山车辆有限公司 | Particulate matter unloading device of special railway hopper car |
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| US3409333A (en) * | 1968-01-02 | 1968-11-05 | Dundee Cement Co | Pads for cement cargo carriers |
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| JP2009067278A (en) * | 2007-09-14 | 2009-04-02 | Mitsui Eng & Shipbuild Co Ltd | Particulate transporting ship |
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| CN202429331U (en) * | 2011-12-26 | 2012-09-12 | 上海船舶研究设计院 | Self-unloading concrete ship reducing unloading residual quantity |
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2011
- 2011-12-26 CN CN2011104439279A patent/CN102556290A/en active Pending
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| US3409333A (en) * | 1968-01-02 | 1968-11-05 | Dundee Cement Co | Pads for cement cargo carriers |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118531A (en) * | 2014-07-21 | 2014-10-29 | 上海外高桥造船有限公司 | Unequal-height edge folding method for inclined longitudinal bulkhead of single-hull bulk cargo ship and single-hull bulk cargo ship |
| CN104118531B (en) * | 2014-07-21 | 2016-06-08 | 上海外高桥造船有限公司 | The not contour fold method of the oblique longitudinal bulkhead of monoshell bulk freighter and monoshell bulk freighter |
| CN108909949A (en) * | 2018-06-12 | 2018-11-30 | 长沙盛谷仓储物流有限公司 | Novel automatic bulk powder transporting ship |
| CN113636026A (en) * | 2020-12-04 | 2021-11-12 | 招商局重工（江苏）有限公司 | Rapid ballast system of semi-submersible type hoisting and dismantling platform and operation method thereof |
| CN113353198A (en) * | 2021-07-13 | 2021-09-07 | 中集船舶海洋工程设计研究院有限公司 | Bulk cement ship |
| CN114802323A (en) * | 2022-04-07 | 2022-07-29 | 中车眉山车辆有限公司 | Particulate matter unloading device of special railway hopper car |
| CN114802323B (en) * | 2022-04-07 | 2024-04-26 | 中车眉山车辆有限公司 | Particulate matter discharge device of special railway hopper car |
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Application publication date: 20120711 |