CN109760783B - Ventilative mast suitable for FSRU - Google Patents
Ventilative mast suitable for FSRU Download PDFInfo
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- CN109760783B CN109760783B CN201910074380.6A CN201910074380A CN109760783B CN 109760783 B CN109760783 B CN 109760783B CN 201910074380 A CN201910074380 A CN 201910074380A CN 109760783 B CN109760783 B CN 109760783B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
- B63B2015/0016—Masts characterized by mast configuration or construction
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Exhaust Silencers (AREA)
- Outer Garments And Coats (AREA)
Abstract
The invention discloses a breathable mast suitable for an FSRU (free wheeling unit), and aims to overcome the defect that an exhaust emission device is inconvenient to arrange in the working process of the FSRU. The portable gas-permeable mast comprises a mast body and a gas-permeable cap, wherein the mast body is arranged on a ship body, the mast body is in a tubular structure, the mast body is provided with a gas sampling port, a liquid tank safety valve outlet pipe interface, a liquid tank steam release pipeline interface, a gas-water separator outlet pipe interface, a portable connecting end interface, a nitrogen flushing pipeline interface and a drain pipe interface, and a liquid collecting disc is connected to the outer wall of the mast body, close to the lower part of the drain pipe interface; the ventilation cap is internally provided with a rotating shaft, the upper end of the rotating shaft extends out of the ventilation cap, the upper end of the rotating shaft is uniformly connected with a plurality of bowl-shaped wind-driven bowls, the openings of the wind-driven bowls are all arranged towards the clockwise direction or are all arranged towards the anticlockwise direction, and the lower end of the rotating shaft is uniformly provided with a plurality of ventilation blades.
Description
Technical Field
The present invention relates to a marine installation and more particularly it relates to a ventilated mast suitable for use in an FSRU.
Background
FSRU is a short term for Floating Storage and Regasification Unit (also known as Floating Regasification Unit, Floating LNG Regasification Unit, and commonly referred to as LNG-FSRU. The FSRU needs to discharge tail gas and volatile gas in the working process, and the tail gas is discharged by adopting a direct discharge mode at present, or a discharge pipe is arranged to collect the tail gas together for discharge. The tail gas is directly discharged, and the discharge height is low, so that the injury to crews can be caused. The tail gas is discharged through the installation discharge pipe, so that equipment investment is additionally increased, and limited space on a ship is occupied.
Disclosure of Invention
The invention overcomes the defect that the exhaust emission device is inconvenient to set in the FSRU working process, provides the breathable mast suitable for the FSRU, adopts the mast to discharge the exhaust gas, increases the exhaust emission height, prevents the exhaust gas from hurting crews, simultaneously does not increase extra cost by virtue of the mast to discharge the exhaust gas, does not occupy extra space on a ship, is convenient to set, is beneficial to the discharge of the exhaust gas, and has good exhaust emission effect.
In order to solve the technical problems, the invention adopts the following technical scheme: a breathable mast suitable for FSRU comprises a mast body and a breathable cap, wherein the mast body is mounted on a ship body, the breathable cap is mounted at the upper end of the mast body, the mast body is of a tubular structure, a gas sampling port, a liquid tank safety valve outlet pipe interface, a liquid tank steam release pipeline interface, a gas-water separator outlet pipe interface, a portable connecting end interface, a nitrogen flushing pipeline interface and a drain pipe interface are arranged on the mast body, and a liquid collecting disc is connected to the position, close to the lower part of the drain pipe interface, on the outer wall of the mast body; the ventilation cap is internally provided with a rotating shaft, the upper end of the rotating shaft extends out of the ventilation cap, the upper end of the rotating shaft is uniformly connected with a plurality of bowl-shaped wind-driven bowls, the openings of the wind-driven bowls are all arranged towards the clockwise direction or are all arranged towards the anticlockwise direction, and the lower end of the rotating shaft is uniformly provided with a plurality of ventilation blades.
The gas sampling port on the mast body is connected with gas sampling equipment, the outlet pipe joint of the liquid tank safety valve is connected with a liquid tank safety valve pipeline, the liquid tank steam release pipeline joint is connected with the liquid tank steam pipeline, the outlet pipe joint of the gas-water separator is connected with the outlet pipeline of the gas-water separator, the portable connecting end joint is connected with the outlet pipeline of the portable equipment, the nitrogen flushing pipeline joint is connected with the outlet pipeline of the nitrogen generator, and water flow flowing out of the drain pipe joint is collected in the effusion disc. The wind force driving bowls are blown by sea wind in the process of advancing the ship, so that the rotating shaft is driven to rotate, and the rotating shaft can only rotate in a single direction due to the bowl shape of the plurality of wind force driving bowls which are uniformly distributed. The rotating shaft rotates to drive the air draft blade to rotate, so that air flow in the mast body is drawn out outwards and discharged outwards from the air permeable cap, the air exhaust speed is accelerated, and the air exhaust effect is improved. Carry all waste gas this internally to the mast, discharge from the ventilative cap of mast body upper end, increased the exhaust emission height, prevent that waste gas from hurting the crewman, carry out exhaust emission simultaneously with the help of the mast and can not increase extra cost, can not occupy extra space on the ship yet, exhaust emission device sets up conveniently, is favorable to the emission of waste gas, and exhaust emission is effectual.
Preferably, the breathable cap comprises a rain-proof sleeve and a connecting sleeve, the middle of the rain-proof sleeve is thick, the two ends of the rain-proof sleeve are thin, a plurality of connecting ribs are uniformly connected between the lower end of the rain-proof sleeve and the connecting sleeve, a fireproof net is connected to the upper end of the rain-proof sleeve, a flow guide plate is arranged in the rain-proof sleeve and comprises a flow guide upper plate and a flow guide lower plate, the flow guide upper plate is in a round table shape with a large upper portion and a small lower portion, the lower edge of the flow guide upper plate protrudes out of the upper edge of the flow guide lower plate to form a flow guide edge, the diameter of the flow guide edge is larger than the inner diameter of the connecting sleeve.
The diversion lower plate guides and diffuses the waste gas conveyed from the connecting sleeve upwards and outwards, one part of the waste gas is discharged downwards from the space between the rain-proof sleeve and the connecting sleeve, and the other part of the waste gas flows upwards and is discharged from the fireproof net after being guided by the diversion upper plate. The baffle has realized the fastening of being connected of guide plate and rain-proof cover, and the through-hole is favorable to the waste gas circulation. The water guide edge prevents rainwater from dripping into the connecting sleeve from the edge. The ventilating cap arranged by the structure not only facilitates air exhaust, but also prevents rainwater from entering the mast body, and is convenient for installation and reliable operation of the rotating shaft.
Preferably, a support frame is arranged in the connecting sleeve and close to the lower end of the connecting sleeve, the lower end of the rotating shaft is rotatably arranged on the support frame, the air draft blade is arranged above the support frame, and the connecting sleeve is welded at the upper end of the mast body in a sealing mode. The arrangement of the supporting frame is favorable for stable installation and reliable operation of the rotating shaft.
Another kind of scheme, ventilative cap includes the linkage segment, the section of giving vent to anger, the curved changeover portion of setting between linkage segment and the section of giving vent to anger, the convulsions blade is arranged in the linkage segment, the pivot is rotated and is installed on the changeover portion, the promotion stopper that can reciprocate is installed in the section of giving vent to anger, it is equipped with a plurality of support archs to promote the stopper below on the section of giving vent to anger inner wall, the equipartition is equipped with the slotted hole of giving vent to anger of a plurality of vertical settings growing bar on the section outer wall of giving vent to anger, install the indicator bar on the promotion stopper, the indicator bar is from last down to be green in proper order, yellow, red, rain-proof cap is connected to the section.
The convulsions blade rotates and blows the air current to the section of giving vent to anger from the linkage segment, and the promotion stopper is by jack-up upwards, increases the slotted hole area of exposing of giving vent to anger, and more when the waste gas of emission, the air current is big more, and the promotion stopper is by the height of jack-up that makes progress higher. And the push plug is provided with an indicating rod, and the indicating rod is provided with colors, so that a crew can directly observe the displacement conveniently.
Preferably, the upper end of the rotating shaft is connected with a cross-shaped connecting frame, and four end parts of the connecting frame are respectively provided with a wind power driving bowl. The arrangement of the connecting frame is convenient for arranging and installing the wind power driving bowl.
Preferably, the gas sampling port, the liquid tank safety valve outlet pipe interface, the liquid tank steam release pipeline interface, the gas-water separator outlet pipe interface, the portable connecting end interface, the nitrogen flushing pipeline interface and the drain pipe interface are sequentially arranged from top to bottom. This arrangement facilitates connection of the mast body to various equipment.
Preferably, a plurality of pull cables are uniformly connected between the upper end of the mast body and the ship body, and a plurality of reinforcing rib plates are uniformly connected between the lower end of the mast body and the ship body. The stay cable and the reinforcing rib plate increase the stability of the mast body support.
As preferred, mast body upper end installation maintenance platform, the installation ladder of ascending a height on the mast body, the safety cage of installation on the ladder of ascending a height. The maintenance platform is convenient for the maintenance of the mast body.
Preferably, the corresponding positions of the gas sampling port, the outlet pipe connector of the liquid tank safety valve, the liquid tank steam release pipeline connector, the outlet pipe connector of the gas-water separator, the portable connector, the nitrogen flushing pipeline connector and the drain pipe connector on the mast body are all provided with connecting pipes. The connecting pipe is arranged to facilitate the connection operation of each device with the mast body.
Compared with the prior art, the invention has the beneficial effects that: adopt the mast to carry out the emission of waste gas, increased the exhaust emission height, prevent that waste gas from hurting the crewman, carry out exhaust emission simultaneously with the help of the mast and can not increase extra cost, can not occupy extra space on the ship yet, exhaust emission device sets up conveniently, is favorable to the emission of waste gas, and exhaust emission is effectual.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of embodiment 2 of the present invention;
FIG. 3 is an enlarged partial schematic view of FIG. 2 of the present invention;
FIG. 4 is a schematic view of a coupling arrangement for the wind driven bowl of the present invention;
in the figure: 1. a ship body, 2, a mast body, 3, an air permeable cap, 4, a gas sampling port, 5, a liquid tank safety valve outlet pipe interface, 6, a liquid tank steam release pipeline interface, 7, an air-water separator outlet pipe interface, 8, a portable connecting end interface, 9, a nitrogen flushing pipeline interface, 10, a drain pipe interface, 11, a liquid loading disc, 12, a rotating shaft, 13, a wind power driving bowl, 14, an air draft blade, 15, a rain-proof sleeve, 16, a connecting sleeve, 17, a connecting rib, 18, a fire-proof net, 19, a flow-guiding upper plate, 20, a flow-guiding lower plate, 21, a flow-guiding edge, 22, a partition plate, 23, a through hole, 24, a supporting frame, 25, a connecting section, 26, an air outlet section, 27, a transition section, 28, a pushing plug, 29, a supporting bulge, 30, an air outlet slotted hole, 31, an indicating rod, 32, a rain-proof cap, 33, a connecting frame, 34, a guy cable, 37. ascending ladder 38, safety cage.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: a breathable mast suitable for an FSRU (see attached figures 1 and 4) comprises a mast body 2 and a breathable cap 3, wherein the mast body is mounted on a hull 1, the breathable cap is mounted at the upper end of the mast body, the mast body is of a tubular structure, a gas sampling port 4, a liquid tank safety valve outlet pipe interface 5, a liquid tank steam release pipeline interface 6, a gas-water separator outlet pipe interface 7, a portable connecting end interface 8, a nitrogen flushing pipeline interface 9 and a drain pipe interface 10 are arranged on the mast body, and four liquid tank safety valve outlet pipe interfaces are arranged. The gas sampling port, the outlet pipe connector of the liquid tank safety valve, the liquid tank steam release pipeline connector, the gas-water separator outlet pipe connector, the portable connecting end connector, the nitrogen flushing pipeline connector and the drain pipe connector are sequentially arranged from top to bottom. A liquid accumulation disc 11 is connected to the outer wall of the mast body and is close to the lower part of the drain pipe interface; the ventilation cap is internally provided with a rotating shaft 12, the upper end of the rotating shaft extends out of the ventilation cap, the upper end of the rotating shaft is uniformly connected with a plurality of bowl-shaped wind power driving bowls 13, the openings of the wind power driving bowls are all arranged towards the clockwise direction or are all arranged towards the anticlockwise direction, and the lower ends of the rotating shafts are uniformly provided with a plurality of ventilation blades 14. The upper end of the rotating shaft is connected with a cross-shaped connecting frame 33, and four end parts of the connecting frame are respectively provided with a wind power driving bowl. A plurality of guys 34 are uniformly connected between the upper end of the mast body and the ship body, and a plurality of reinforcing rib plates 35 are uniformly connected between the lower end of the mast body and the ship body. The upper end of the mast body is provided with an overhaul platform 36, the mast body is provided with a climbing ladder 37, and the climbing ladder is provided with a safety protection cage 38. Connecting pipes are arranged at corresponding positions of the gas sampling port, the liquid tank safety valve outlet pipe interface, the liquid tank steam release pipeline interface, the gas-water separator outlet pipe interface, the portable connecting end interface, the nitrogen flushing pipeline interface and the drain pipe interface on the mast body.
Ventilative cap includes rain-proof cover 15, adapter sleeve 16, thick both ends are thin in the middle of the rain-proof cover, a plurality of splice bars 17 of equipartition connection between rain-proof cover lower extreme and the adapter sleeve, fire prevention net 18 is connected to rain-proof cover upper end, be equipped with the guide plate in the rain-proof cover, the guide plate includes water conservancy diversion upper plate 19 and water conservancy diversion hypoplastron 20, the water conservancy diversion upper plate is big end down's round platform shape, the water conservancy diversion hypoplastron is big end down's round platform shape, water conservancy diversion upper plate lower limb protrusion forms water conservancy diversion edge 21 in water conservancy diversion hypoplastron top edge, water conservancy diversion edge diameter is greater than the adapter sleeve internal diameter, a plurality of baffles 22 of equipartition connections. A support frame 24 is arranged in the position, close to the lower end, of the connecting sleeve, the lower end of the rotating shaft is rotatably arranged on the support frame, the air draft blade is arranged above the support frame, and the connecting sleeve is welded at the upper end of the mast body in a sealing mode.
The gas sampling port on the mast body is connected with gas sampling equipment, the outlet pipe joint of the liquid tank safety valve is connected with a liquid tank safety valve pipeline, the liquid tank steam release pipeline joint is connected with the liquid tank steam pipeline, the outlet pipe joint of the gas-water separator is connected with the outlet pipeline of the gas-water separator, the portable connecting end joint is connected with the outlet pipeline of the portable equipment, the nitrogen flushing pipeline joint is connected with the outlet pipeline of the nitrogen generator, and water flow flowing out of the drain pipe joint is collected in the effusion disc. The wind force driving bowls are blown by sea wind in the process of advancing the ship, so that the rotating shaft is driven to rotate, and the rotating shaft can only rotate in a single direction due to the bowl shape of the plurality of wind force driving bowls which are uniformly distributed. The rotating shaft rotates to drive the air draft blade to rotate, so that air flow in the mast body is drawn out outwards and discharged outwards from the air permeable cap, the air exhaust speed is accelerated, and the air exhaust effect is improved. Carry all waste gas this internally to the mast, discharge from the ventilative cap of mast body upper end, increased the exhaust emission height, prevent that waste gas from hurting the crewman, carry out exhaust emission simultaneously with the help of the mast and can not increase extra cost, can not occupy extra space on the ship yet, exhaust emission device sets up conveniently, is favorable to the emission of waste gas, and exhaust emission is effectual.
Example 2: the utility model provides a ventilative mast (see fig. 2, fig. 3) suitable for FSRU, its structure is similar with embodiment 1, the main difference lies in that ventilative cap includes linkage segment 25 in this embodiment, section 26 of giving vent to anger, set up curved changeover portion 27 between linkage segment and the section of giving vent to anger, the linkage segment is arranged in to the convulsions blade, the pivot is rotated and is installed on the changeover portion, the promotion stopper 28 that can reciprocate is installed to the section of giving vent to anger in the section of giving vent to anger, it is equipped with a plurality of support archs 29 to promote to fill up the below on the section of giving vent to anger inner wall, the equipartition is equipped with a plurality of vertical setting and grows up bar shape's air outlet slotted hole 30 on the section of giving vent to anger outer wall, promote to fill up installation indicator 31, the indicator is green from last down in proper order, yellow, red. The other structure is the same as embodiment 1. The convulsions blade rotates and blows the air current to the section of giving vent to anger from the linkage segment, and the promotion stopper is by jack-up upwards, increases the slotted hole area of exposing of giving vent to anger, and more when the waste gas of emission, the air current is big more, and the promotion stopper is by the height of jack-up that makes progress higher. And the push plug is provided with an indicating rod, and the indicating rod is provided with colors, so that a crew can directly observe the displacement conveniently.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (7)
1. A breathable mast suitable for FSRU is characterized by comprising a mast body and a breathable cap, wherein the mast body is mounted on a ship body, the breathable cap is mounted at the upper end of the mast body, the mast body is of a tubular structure, a gas sampling port, a liquid tank safety valve outlet pipe interface, a liquid tank steam release pipeline interface, a gas-water separator outlet pipe interface, a portable connecting end interface, a nitrogen flushing pipeline interface and a drain pipe interface are arranged on the mast body, and a liquid collecting disc is connected to the position, close to the lower part of the drain pipe interface, on the outer wall of the mast body; a rotating shaft is arranged in the ventilation cap, the upper end of the rotating shaft extends out of the ventilation cap, a plurality of bowl-shaped wind power driving bowls are uniformly connected to the upper end of the rotating shaft, openings of the wind power driving bowls are arranged towards the clockwise direction or towards the anticlockwise direction, and a plurality of air draft blades are uniformly arranged at the lower end of the rotating shaft; the ventilative cap includes rain-proof cover, the adapter sleeve, thick both ends are thin in the middle of the rain-proof cover, a plurality of splice bars of equipartition connection between rain-proof cover lower extreme and the adapter sleeve, fire prevention net is connected to rain-proof cover upper end, be equipped with the guide plate in the rain-proof cover, the guide plate includes water conservancy diversion upper plate and water conservancy diversion hypoplastron, the water conservancy diversion upper plate is big end down's round platform shape, the water conservancy diversion hypoplastron is big end down's round platform shape, water conservancy diversion upper plate lower limb protrusion forms the water conservancy diversion along in water conservancy diversion hypoplastron top edge, the water conservancy diversion is greater than the adapter sleeve internal diameter along the diameter, a plurality of.
2. The breathable mast suitable for an FSRU as claimed in claim 1, wherein the connection sleeve is provided with a support frame near the lower end thereof, the lower end of the rotating shaft is rotatably mounted on the support frame, the suction blade is arranged above the support frame, and the connection sleeve is hermetically welded to the upper end of the mast body.
3. A ventilating mast suitable for an FSRU as claimed in claim 1 or 2, wherein the upper end of the rotation shaft is connected with a cross-shaped connecting frame, and a wind power driving bowl is installed at each of the four ends of the connecting frame.
4. The breathable mast suitable for an FSRU according to claim 1 or 2, wherein the gas sampling port, the liquid tank safety valve outlet pipe interface, the liquid tank vapor release pipeline interface, the gas-water separator outlet pipe interface, the portable connection end interface, the nitrogen flushing pipeline interface and the drain pipe interface are arranged in sequence from top to bottom.
5. The breathable mast suitable for the FSRU according to claim 1 or 2, wherein a plurality of guys are uniformly connected between the upper end of the mast body and the hull, and a plurality of reinforcing ribs are uniformly connected between the lower end of the mast body and the hull.
6. The breathable mast suitable for the FSRU according to claim 1 or 2, wherein an inspection platform is installed at the upper end of the mast body, a climbing ladder is installed on the mast body, and a safety cage is installed on the climbing ladder.
7. The breathable mast suitable for the FSRU according to claim 1 or 2, wherein the mast body is provided with connecting pipes at corresponding positions of a gas sampling port, a liquid tank safety valve outlet pipe interface, a liquid tank steam release pipeline interface, a gas-water separator outlet pipe interface, a portable connecting end interface, a nitrogen flushing pipeline interface and a drain pipe interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910074380.6A CN109760783B (en) | 2019-01-25 | 2019-01-25 | Ventilative mast suitable for FSRU |
| CN202010985391.2A CN112158296B (en) | 2019-01-25 | 2019-01-25 | Breathable mast suitable for FSRU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910074380.6A CN109760783B (en) | 2019-01-25 | 2019-01-25 | Ventilative mast suitable for FSRU |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010985391.2A Division CN112158296B (en) | 2019-01-25 | 2019-01-25 | Breathable mast suitable for FSRU |
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| Publication Number | Publication Date |
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| CN109760783A CN109760783A (en) | 2019-05-17 |
| CN109760783B true CN109760783B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010985391.2A Active CN112158296B (en) | 2019-01-25 | 2019-01-25 | Breathable mast suitable for FSRU |
| CN201910074380.6A Active CN109760783B (en) | 2019-01-25 | 2019-01-25 | Ventilative mast suitable for FSRU |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010985391.2A Active CN112158296B (en) | 2019-01-25 | 2019-01-25 | Breathable mast suitable for FSRU |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110641623B (en) * | 2019-10-22 | 2023-12-29 | 青岛海研电子有限公司 | Parameter measurement type buoy |
| CN110949607A (en) * | 2019-12-10 | 2020-04-03 | 中国船舶工业集团公司第七0八研究所 | Combined front mast used as liquefied natural gas ventilating mast |
| CN112550562A (en) * | 2020-12-03 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Liquefied gas transport ship and telescopic ventilating mast thereof |
| CN112758244A (en) * | 2021-03-15 | 2021-05-07 | 杭州傲帆游艇有限公司 | Multifunctional sail mast |
| CN115303446B (en) * | 2022-08-31 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Maintenance system and method for marine natural gas ventilation device |
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| CN2538989Y (en) * | 2002-04-05 | 2003-03-05 | 陈超美 | Wind energy smoke exhausting hood |
| US6871609B2 (en) * | 2002-08-30 | 2005-03-29 | Itrec B.V. | Multipurpose tower for monohull |
| CN2649963Y (en) * | 2003-09-17 | 2004-10-20 | 林润泉 | Pressure-changing wind cowl |
| CN105423125B (en) * | 2008-07-17 | 2018-03-20 | 氟石科技公司 | It is used for Waste Heat Recovery and the arrangements and methods of ambient air vaporizer in lng regas |
| KR101121721B1 (en) * | 2010-01-28 | 2012-02-28 | 에스티엑스조선해양 주식회사 | Floating type LNG regasification unit |
| CN201826924U (en) * | 2010-11-02 | 2011-05-11 | 胡安方 | Oil level indicating device |
| KR20120137772A (en) * | 2011-06-13 | 2012-12-24 | 현대중공업 주식회사 | Funnel structure of ship |
| CN202532460U (en) * | 2012-03-02 | 2012-11-14 | 上海锅炉厂有限公司 | Fluidization wind cap for preventing slag leakage |
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2019
- 2019-01-25 CN CN202010985391.2A patent/CN112158296B/en active Active
- 2019-01-25 CN CN201910074380.6A patent/CN109760783B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112158296B (en) | 2021-09-14 |
| CN112158296A (en) | 2021-01-01 |
| CN109760783A (en) | 2019-05-17 |
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