CN203946263U - A kind of bulge carrier energy saver - Google Patents
A kind of bulge carrier energy saver Download PDFInfo
- Publication number
- CN203946263U CN203946263U CN201420321739.8U CN201420321739U CN203946263U CN 203946263 U CN203946263 U CN 203946263U CN 201420321739 U CN201420321739 U CN 201420321739U CN 203946263 U CN203946263 U CN 203946263U
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- conduit
- breather vane
- mozzle
- vane
- breather
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Abstract
The utility model discloses a kind of bulge carrier energy saver, comprise preposition mozzle and the postposition whirlpool fin that disappears, described mozzle be installed on before bulge carrier screw propeller and be positioned at hull tail structure after, the described postposition whirlpool fin that disappears is installed on propeller; Described mozzle comprises conduit and breather vane, described breather vane is distributed in mozzle inside, described conduit and breather vane welding are connected, conduit and breather vane are all sickle shaped, described conduit and breather vane inside are provided with cylindricality steel part, conduit, breather vane are divided into front portion, rear portion by described cylindricality steel part, and the anterior length of described conduit is a times of the anterior length of breather vane.By changing the eddy loss of Wake Field and screw propeller, effectively improve propeller efficiency, thereby reduce main frame horsepower output, reduce main frame daily fuel consumption.
Description
Technical field
The utility model relates to ship domain, is specifically related to a kind of bulge carrier energy saver.
Background technology
Due to the rise of fuel price, the requirements such as new ship Energy design index enforces, make environmental protection energy-saving type boats and ships more and more be paid attention to and favor, build economic environmental protection type ship and also become market trend, existing energy-saving ship is by installing some accessory devices on the afterbody at boats and ships or screw propeller, the Wake Field that changes afterbody improves the propulsion coefficient of screw propeller, thereby reduces boats and ships energy consumption.China is shipbuilding big country, is also one of main shipping state simultaneously, but because China's ship building industry starting is late, relatively weak in technical field, research and application Ship Energy Saving Device reduce boats and ships energy consumption becomes an extremely urgent thing.
Utility model content
Utility model object: the problem and shortage existing for above-mentioned prior art, the purpose of this utility model is to provide a kind of bulge carrier energy saver, can effectively reduce boats and ships energy consumption.
Technical scheme: for realizing above-mentioned utility model object, the technical solution adopted in the utility model is a kind of bulge carrier energy saver, comprise preposition mozzle and the postposition whirlpool fin that disappears, described mozzle be installed on before bulge carrier screw propeller and be positioned at hull tail structure after, the described postposition whirlpool fin that disappears is installed on propeller; Described mozzle comprises conduit and breather vane, described breather vane is distributed in mozzle inside, described conduit and breather vane welding are connected, conduit and breather vane are all sickle shaped, described conduit and breather vane inside are provided with cylindricality steel part, conduit, breather vane are divided into front portion, rear portion by described cylindricality steel part, and the anterior length of described conduit is a times of the anterior length of breather vane.
Further optimize as the utility model, the rear and front end of described conduit and breather vane all adds intrinsic steel casting.
As further optimization of the present utility model, the two ends up and down of described cylindricality steel part are equipped with reinforced rib.
As further optimization of the present utility model, the rear portion length of described conduit is consistent with the rear portion length of breather vane.
As further optimization of the present utility model, described conduit and breather vane are welded and are connected by tack welding in butt seam tack welding or corner connection seam.
Beneficial effect: the utility model compared with prior art, its advantage is: the utility model is by the whirlpool fin combined action that disappears of preposition mozzle and postposition, and mozzle assembly of the present utility model all adopts sickleshaped simultaneously, the water section that mozzle goes out to spiral card from import is shunk gradually, water velocity strengthens gradually in pipe, thereby indirectly strengthen the advance coefficient of screw propeller, thereby effectively improve the usefulness of screw propeller, make main frame horsepower output reduce at least 5%, the about 1t of day capable of saving fuel oil consumption, calculate according to market fuel oil 700 U.S. dollars per ton, adopt energy saver of the present utility model every year capable of saving fuel oil expense be about 25w U.S. dollar, also greatly reduce boats and ships because of fuel oil pollution on the environment simultaneously, can obtain economy and environmental protection double benefit, the inner guide vane arranging of mozzle in addition, can effectively reduce mozzle 1 afterbody vibration, strengthened the overall construction intensity of mozzle simultaneously, make mozzle firm reliable, greatly extend the service life of the utility model energy saver, the utility model is specially adapted to 38000 tons of bulge carriers, verify by model experiment, 38000 tons of bulge carriers are at designed draft, in the situation of Design Speed, install the bulge carrier that bulge carrier energy index after energy saver is better than other equal tonnages additional.
Brief description of the drawings
Fig. 1 is the perspective view of mozzle of the present utility model;
Fig. 2 is the schematic cross-section of mozzle of the present utility model;
Fig. 3 is the schematic cross-section of conduit in Fig. 2;
Fig. 4 is the schematic cross-section of breather vane in Fig. 2;
Fig. 5 is the structural representation of embodiment.
Detailed description of the invention
The utility model adopts preposition mozzle 1 and the postposition whirlpool fin that disappears is installed on bulge carrier, described mozzle 1 be installed on before screw propeller and be positioned at hull tail structure after, the whirlpool fin that disappears be installed on screw propeller after, by changing the eddy loss of Wake Field and screw propeller, effectively improve propeller efficiency, thereby reduce main frame horsepower output, reduce main frame daily fuel consumption.
As described in Fig. 1 and Fig. 2, mozzle 1 of the present utility model comprises conduit 2 and breather vane 3, described mozzle 1 be installed on before screw propeller and be positioned at hull tail structure after, described breather vane 3 is distributed in mozzle 1 inside, breather vane 3 adopts tack welding in butt seam tack welding or corner connection seam to be welded and fixed with conduit 2, while positioning weldering, drawing blow-out need carry out drawing on arc-extinguishing plate or in weld seam, and the tack welding dregs of a decoction are cleaning in time, in order to avoid affect integral solder operation, during wherein for the interior tack welding of employing corner connection seam, leg of a fillet weld is not less than 6mm, welding speed should not be excessively slow, ensure that weld seam and parent metal fusion are good, leg is neat, single track fillet weld both sides leg deviation control is being not more than 2mm, and when fillet weld welding, temperature is controlled in 100 DEG C.
As shown in Figure 2, Figure 3 and Figure 4, described conduit 2 is sickleshaped with breather vane 3 shapes, and its two ends all add intrinsic steel casting, described conduit 2 is provided with cylindricality steel part with breather vane 3 inside, the two ends of cylindricality steel part are equipped with reinforced rib, described front end is circular steel foundry goods, and its rear end is cylindrical steel foundry goods, and conduit 2, breather vane 3 are divided into front portion, rear portion by described cylindricality steel part; The anterior length of conduit 2 is a times of breather vane 3 anterior length, and the rear portion length of its conduit 2 is consistent with the rear portion length of breather vane 3.
Embodiment:
The present embodiment as shown in Figure 5, mozzle 1 inside is provided with 4 breather vanes 3, angle between breather vane 3 and the mozzle line of centers of the left and right sides is 76 °, being 28 ° near the angle between another breather vane and the mozzle line of centers of left side breather vane, is 42 ° near the angle between another breather vane and the mozzle line of centers of right side breather vane.
The utility model is by the whirlpool fin combined action that disappears of preposition mozzle 1 and postposition, and mozzle 1 assembly of the present utility model all adopts sickleshaped simultaneously, the water section that mozzle goes out to spiral card from import is shunk gradually, water velocity strengthens gradually in pipe, thereby indirectly strengthen the advance coefficient of screw propeller, thereby effectively improve the usefulness of screw propeller, make main frame horsepower output reduce at least 5%, the about 1t of day capable of saving fuel oil consumption, calculate according to market fuel oil 700 U.S. dollars per ton, adopt energy saver of the present utility model every year capable of saving fuel oil expense be about 25w U.S. dollar, also greatly reduce boats and ships because of fuel oil pollution on the environment simultaneously, can obtain economy and environmental protection double benefit, the inner guide vane 3 arranging of mozzle 1 in addition, can effectively reduce mozzle 1 afterbody vibration, strengthened the overall construction intensity of mozzle 1 simultaneously, make mozzle 1 firm reliable, greatly extend the service life of the utility model energy saver.
Claims (5)
1. a bulge carrier energy saver, is characterized in that: comprise preposition mozzle (1) and the postposition whirlpool fin that disappears, described mozzle (1) be installed on before bulge carrier screw propeller and be positioned at hull tail structure after, the described postposition whirlpool fin that disappears is installed on propeller; Described mozzle (1) comprises conduit (2) and breather vane (3), described breather vane (3) is distributed in mozzle (1) inside, described conduit (2) and breather vane (3) welding are connected, conduit (2) is all sickle shaped with breather vane (3), described conduit (2) is provided with cylindricality steel part with breather vane (3) inside, conduit (2), breather vane (3) are divided into front portion, rear portion by described cylindricality steel part, and the anterior length of described conduit (2) is a times of the anterior length of breather vane (3).
2. a kind of bulge carrier energy saver according to claim 1, is characterized in that: described conduit (2) all adds intrinsic steel casting with the rear and front end of breather vane (3).
3. a kind of bulge carrier energy saver according to claim 1, is characterized in that: the two ends up and down of described cylindricality steel part are equipped with reinforced rib.
4. a kind of bulge carrier energy saver according to claim 1, is characterized in that: the rear portion length of described conduit (2) is consistent with the rear portion length of breather vane (3).
5. a kind of bulge carrier energy saver according to claim 1, is characterized in that: described conduit (2) and breather vane (3) are welded and are connected by tack welding in butt seam tack welding or corner connection seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321739.8U CN203946263U (en) | 2014-06-17 | 2014-06-17 | A kind of bulge carrier energy saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321739.8U CN203946263U (en) | 2014-06-17 | 2014-06-17 | A kind of bulge carrier energy saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203946263U true CN203946263U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420321739.8U Active CN203946263U (en) | 2014-06-17 | 2014-06-17 | A kind of bulge carrier energy saver |
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| CN (1) | CN203946263U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606596A (en) * | 2018-11-29 | 2019-04-12 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Energy saving half guide wheel before a kind of paddle |
| CN111252208A (en) * | 2020-03-13 | 2020-06-09 | 江南造船(集团)有限责任公司 | Installation method of stern section energy-saving device |
| CN117622442A (en) * | 2024-01-26 | 2024-03-01 | 江苏扬子鑫福造船有限公司 | Hydrodynamic energy-saving twisted fin structure in front of propeller |
-
2014
- 2014-06-17 CN CN201420321739.8U patent/CN203946263U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606596A (en) * | 2018-11-29 | 2019-04-12 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Energy saving half guide wheel before a kind of paddle |
| CN111252208A (en) * | 2020-03-13 | 2020-06-09 | 江南造船(集团)有限责任公司 | Installation method of stern section energy-saving device |
| CN117622442A (en) * | 2024-01-26 | 2024-03-01 | 江苏扬子鑫福造船有限公司 | Hydrodynamic energy-saving twisted fin structure in front of propeller |
| CN117622442B (en) * | 2024-01-26 | 2024-04-05 | 江苏扬子鑫福造船有限公司 | Hydrodynamic energy-saving twisted fin structure in front of propeller |
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