CN113730842A - Offshore wind power booster station - Google Patents
Offshore wind power booster station Download PDFInfo
- Publication number
- CN113730842A CN113730842A CN202111042335.6A CN202111042335A CN113730842A CN 113730842 A CN113730842 A CN 113730842A CN 202111042335 A CN202111042335 A CN 202111042335A CN 113730842 A CN113730842 A CN 113730842A
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- CN
- China
- Prior art keywords
- hose
- winding drum
- communicated
- storage tank
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/04—Supports or clamps for fire hoses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0017—Means for protecting offshore constructions
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The invention discloses an offshore wind power booster station, which relates to the technical field of offshore booster stations and comprises a bottom support and an upper platform, wherein a rainwater collecting system is arranged on the upper platform and is communicated with a water storage tank in the upper platform, and the water storage tank is communicated with a fire fighting system and a water supply system; the upper station comprises a plurality of station layers which are distributed up and down, the fire fighting system comprises a hose and a winding drum, the hose is communicated with the water storage tank and wound on the winding drum, and a power part for driving the winding drum to rotate is arranged on the winding drum; the outer end of the hose is connected with the spray head, the moving piece is arranged at the top of the station layer, and the hose penetrates through the moving piece and then vertically faces downwards; the movable member drives the nozzle end of the hose to move, the winding drum drives the movable member to move while the hose is placed outside the hose, after the nozzle is horizontally moved in place, the movable member stops, the winding drum continues to drive the hose to be placed outside the hose, the nozzle moves downwards in place, and fire extinguishing work is started. The effect of improving the fire extinguishing effect of the fire ignition points at all positions and improving the utilization rate of fresh water is achieved.
Description
Technical Field
The invention relates to the technical field of offshore booster stations, in particular to an offshore wind power booster station.
Background
Offshore wind power is the key point for developing renewable clean energy by the characteristics of high wind speed, low turbulence, small environmental influence and the like. At present, offshore wind power is mostly generated by a plurality of offshore wind turbine groups, is transmitted to an offshore booster station through a submarine cable current collection link in a centralized mode, and is boosted and pressure-fed to an onshore transformer substation through a main transformer of the offshore booster station to finish power transmission. Therefore, the offshore booster station becomes one of the crucial links for offshore wind power generation and transmission.
Because seawater has the problem of erosion and the like, the existing fire extinguishing equipment generally needs to use fresh water to carry out fire fighting, water supply and other works, cannot accurately aim at fire points at various positions, is easy to waste fresh water sources, and causes great waste for precious fresh water at sea.
Disclosure of Invention
The invention aims to provide an offshore wind power booster station which can improve the fire extinguishing effect on ignition points at various positions and improve the utilization rate of fresh water.
The technical purpose of the invention is realized by the following technical scheme:
an offshore wind power booster station comprises a bottom support and an upper platform, wherein a rainwater collection system is arranged on the upper platform and is communicated with a water storage tank in the upper platform, and the water storage tank is communicated with a fire fighting system and a water supply system;
the fire fighting system comprises a hose and a winding drum, the hose is communicated with the water storage tank and wound on the winding drum, and a power part for driving the winding drum to rotate is arranged on the winding drum; the outer end of the hose is connected with the spray head, the moving piece is arranged at the top of the station layer, and the hose penetrates through the moving piece and then vertically faces downwards;
the movable member drives the end of the hose nozzle to move, the winding drum drives the movable member to move while the hose is placed outside the hose, after the nozzle is horizontally moved in place, the movable member stops, the winding drum continues to drive the hose to be placed outside the hose, the nozzle moves downwards in place, and fire extinguishing work is started.
Furthermore, the rainwater collection system comprises a water collection tank and a collection port, wherein the water collection tank comprises a top, the collection port is arranged in the water collection tank horizontally and outwards and is communicated with the water storage tank.
Furthermore, a filter screen is arranged at the collecting opening.
Furthermore, a baffle and an opening and closing piece for driving the baffle to slide up and down are arranged in the water collecting tank, and the upper end of the sliding path of the baffle is blocked outside the collecting port.
Furthermore, a plurality of filtering channels are connected in parallel between the rainwater collecting system and the water storage tank, each filtering channel comprises an opening and closing valve and a filter, one end of each opening and closing valve is communicated with the rainwater collecting system, the other end of each opening and closing valve is communicated with the filter, and the other end of each filter is communicated with the water storage tank.
Furthermore, a sedimentation tank is arranged between the rainwater collection system and the water storage tank.
Furthermore, a water guide plate at the upper part and a slag trap at the lower part are connected in the sedimentation tank, one end of each of the water guide plate and the slag trap is closed, the other end of each of the water guide plate and the slag trap is provided with a through hole, the rainwater collection system is communicated above the closed end of the water guide plate, and the water storage tank is communicated above the closed end of the slag trap.
Furthermore, the water guide plate and the slag baffle plate at the lower part are obliquely arranged, and the oblique directions are all upward oblique of the closed end.
Furthermore, the outer periphery of the winding drum is provided with a through hole, the hose enters the winding drum from one end of the hose, extends out of the through hole, is wound outside the winding drum and is finally connected to the moving piece.
Furthermore, the moving part comprises a moving trolley, the moving trolley is provided with a vertical hole through which the hose penetrates downwards, the moving trolley is connected with a pair of vertical guide wheels, and the hose penetrates between the vertical guide wheels and then enters the vertical hole downwards.
In conclusion, the invention has the following beneficial effects:
by the arrangement of the movable trolley and the rolling sleeve, the fire-extinguishing effect of the fire-extinguishing points at each position is improved, the utilization rate of fresh water is improved, and the automatic fire-extinguishing in the future is facilitated;
use through the sedimentation tank is convenient for deposit earlier the rainwater and filter again, improves the life of filter to set up a plurality of reserve filters, so that freely switch the use, convenient long-term unmanned on duty's booster station can normally work.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of a portion of the rainwater collection system of the present invention;
FIG. 3 is a schematic view of the structure of a water collecting trough portion;
FIG. 4 is a schematic view showing the structure of a settling tank part in the present invention;
fig. 5 is a schematic view showing a connection structure of a hose portion in the present invention.
In the figure, 1, a bottom support; 11. an upper station; 12. an escape chute; 2. a water storage tank; 21. a hose; 22. a winding drum; 23. a water collection tank; 24. a collection port; 25. a filter screen; 26. a baffle plate; 27. a connecting plate; 3. a filtration channel; 31. opening and closing a valve; 32. a filter; 4. a sedimentation tank; 41. a water guide plate; 42. a slag trap; 5. moving the trolley; 51. a vertical guide wheel; 52. and a horizontal guide wheel.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings, and the present embodiment is not to be construed as limiting the invention.
An offshore wind power booster station comprises a bottom support 1 and an upper platform 11, wherein the upper platform 11 is prefabricated into a whole and is arranged on the bottom support 1 in a hoisting mode, as shown in figure 1; the upper platform 11 comprises four layers of platform layers which are distributed up and down, and the two platform layers at the top are also connected with outdoor flexible escape slideways 12, so that when the lifeboats quickly reach the bottom layer, the lifeboats below enter the lifeboats through the crawling ladder to escape.
As shown in fig. 2, the top of the upper platform 11 is connected with a rainwater collection system, the rainwater collection system is sequentially communicated with a sedimentation tank 4 and a water storage tank 2 in the upper platform 11, the water storage tank 2 is communicated with a fire fighting system and a water supply system through a water pump so as to be used for fire fighting and water supply, the top of the water storage tank 2 is also communicated with an emergency pipeline, and the emergency pipeline absorbs seawater through the water pump to enter the water storage tank so as to preferentially control fire conditions through the seawater when the fresh water is used up.
As shown in fig. 2, in order to facilitate switching the filters 32 for use when no one is present, a plurality of filter channels 3 are connected in parallel between the rainwater collection system and the water storage tank 2, each filter channel 3 comprises an electric opening and closing valve 31 and a filter 32, one end of the opening and closing valve 31 is communicated with the rainwater collection system, the other end of the opening and closing valve 31 is communicated with the filter 32, the other end of the filter 32 is communicated with the water storage tank 2, only one filter channel 3 is opened through the opening and closing valve 31 to work at ordinary times, and the other filter 32 is switched to work after working and using for a period of time.
As shown in fig. 2 and 3, the rainwater collection system comprises a water collection tank 23 at the top and a collection port 24 in the water collection tank 23, the collection port 24 is horizontally arranged outwards and communicated with the water storage tank 2, and a filter screen 25 is arranged at the collection port 24;
a baffle 26 and an opening and closing piece for driving the baffle 26 to slide up and down are arranged in the water collecting tank 23, and the upper end of the sliding path of the baffle 26 is blocked outside the collecting port 24;
in this embodiment, two sets of the collecting ports 24 are respectively arranged on the outer peripheral walls of the two circular tubes, the circular tubes are downwards communicated with the header pipe, and the header pipe is provided with an electromagnetic on-off valve and is communicated with the sedimentation tank 4; the baffle 26 is a cylinder sleeved outside the circular pipe, a connecting plate 27 is arranged in the water collecting tank 23, the connecting plate 27 is driven to move up and down through an electric push rod in the water collecting tank 23, and two ends of the connecting plate 27 are respectively sleeved outside the circular pipe and fixedly connected to the lower end of the baffle 26; the baffle 26 can also be moved up and down directly by an electric push rod.
As shown in fig. 4, a water guide plate 41 at the upper part and a slag trap 42 at the lower part are connected in the sedimentation tank 4, one side of the sedimentation tank 4 is provided with a water inlet, the other side is provided with a water outlet and is communicated with the water storage tank 2, one end of the water guide plate 41 close to the water inlet end is closed, the other end is provided with a through hole, one end of the slag trap 42 close to the water outlet is closed, the other end is provided with a through hole, the rainwater collection system is communicated above the closed end of the water guide plate 41, and the water storage tank 2 is communicated above the closed end of the slag trap 42;
a slag discharge port is formed at the bottom of the sedimentation tank 4, and the height of the bottom surface of the sedimentation tank 4 towards the slag discharge port is gradually reduced; the water guide plate 41 and the slag trap 42 at the lower part are both obliquely arranged, the oblique directions are all oblique upwards at the closed ends, the bottom sediment is disturbed when the water outlet is avoided through the slag trap 42, the water enters along the wall of the pool through the water guide plate 41, and the disturbance to the bottom of the pool is reduced.
As shown in fig. 5, the fire fighting system further includes a plurality of sets of hoses 21 and winding drums 22 respectively located on different platform layers, the winding drums 22 are connected below the top plates of the platform layers, the inner ends of the hoses 21 are both communicated with the water storage tank 2 and wound on the winding drums 22, and the winding drums 22 are provided with power members for driving the winding drums 22 to rotate; the outer end of the hose 21 is connected with the spray head, the moving piece is arranged at the top of the standing layer, and the hose 21 penetrates through the moving piece and then vertically faces downwards.
As shown in fig. 5, a through hole is opened on the periphery of the winding drum 22, the hose 21 enters the winding drum 22 from one end thereof, extends out from the through hole, is wound outside the winding drum 22, and is finally connected to the moving member;
the moving piece comprises a moving trolley 5, a track can be arranged below a top plate of the station layer for the moving trolley 5 to walk, the moving trolley 5 can also be placed on a suspended ceiling, and a plurality of through holes for placing the spray heads are formed in the suspended ceiling, so that the moving trolley 5 can move on the top of the station layer;
the movable trolley 5 is provided with a vertical hole for the hose 21 to penetrate downwards, the movable trolley 5 is connected with a pair of vertical guide wheels 51 and a pair of horizontal guide wheels 52, the hose 21 penetrates between the two horizontal guide wheels 52, is guided to the horizontal position of the hose, is turned downwards through the vertical guide wheels 51 on the inner side, penetrates between the two vertical guide wheels 51, and is guided to the vertical downwards position of the hose, so that the hose enters the vertical hole downwards;
in order to facilitate the downward movement of the hose 21 to move the nozzle downwards, a motor for driving the inner vertical guide wheel 51 to rotate is fixed on the moving trolley 5, so as to facilitate the falling of the nozzle at the lower end of the hose 21.
The working principle is as follows:
when raining, firstly opening a slag discharge port at the bottom of the sedimentation tank 4 to discharge bottom sediment, then driving the baffle 26 to move downwards to enable the collection port 24 to enter the sedimentation tank 4, opening a filtering channel 3 after the sedimentation tank 4 is full, and guiding filtered rainwater into the water storage tank 2;
when a fire is found from monitoring or a smoke sensor and the like in the upper platform 11, the nozzle end of the movable member driving hose 21 moves, the movable member moves while the winding drum 22 drives the hose 21 to be placed outside, after the nozzle is horizontally moved in place, the movable member stops, the winding drum 22 continues to drive the hose 21 to be placed outside, the nozzle moves downwards in place and supplies water from the water storage tank through the water pump, and fire extinguishing work is started.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an offshore wind power booster station which characterized in that: the rainwater collection system is communicated with a water storage tank (2) in the upper platform (11), and the water storage tank (2) is communicated with a fire fighting system and a water supply system;
the upper platform (11) comprises a plurality of platform layers which are distributed up and down, the fire-fighting system comprises a hose (21) and a winding drum (22), the hose (21) is communicated with the water storage tank (2) and wound on the winding drum (22), and a power part for driving the winding drum (22) to rotate is arranged on the winding drum; the outer end of the hose (21) is connected with the spray head, the top of the standing platform layer is provided with a moving piece, and the hose (21) penetrates through the moving piece and then vertically faces downwards;
the movable member drives the spraying head end of the hose (21) to move, the winding drum (22) drives the hose (21) to be placed outside and simultaneously the movable member moves, after the spray head is horizontally moved to the place, the movable member stops, the winding drum (22) continues to drive the hose (21) to be placed outside, the spray head moves downwards to the place, and fire extinguishing work is started.
2. Offshore wind power booster station according to claim 1, characterized in that: the rainwater collection system comprises a water collection tank (23) and a collection opening (24), wherein the water collection tank (23) comprises a top, the collection opening (24) is horizontally arranged outwards and is communicated with the water storage tank (2).
3. Offshore wind power booster station according to claim 1 or 2, characterized in that: a filter screen (25) is arranged at the collecting port (24).
4. Offshore wind power booster station according to claim 2, characterized in that: a baffle (26) and an opening and closing piece for driving the baffle (26) to slide up and down are arranged in the water collecting tank (23), and the upper end of the sliding path of the baffle (26) is blocked outside the collecting port (24).
5. Offshore wind power booster station according to claim 1, characterized in that: a plurality of filtering channels (3) are connected in parallel between the rainwater collecting system and the water storage tank (2), each filtering channel (3) comprises an opening and closing valve (31) and a filter (32), one end of each opening and closing valve (31) is communicated with the rainwater collecting system, the other end of each opening and closing valve is communicated with the filter (32), and the other end of each filter (32) is communicated with the water storage tank (2).
6. Offshore wind power booster station according to claim 1 or 5, characterized in that: and a sedimentation tank (4) is arranged between the rainwater collection system and the water storage tank (2).
7. Offshore wind power booster station according to claim 6, characterized in that: the sedimentation tank (4) is internally connected with a water guide plate (41) on the upper part and a slag trap (42) on the lower part, one end of each of the water guide plate (41) and the slag trap (42) is sealed, the other end of each of the water guide plate (41) and the slag trap (42) is provided with a through hole, the rainwater collection system is communicated above the closed end of the water guide plate (41), and the water storage tank (2) is communicated above the closed end of the slag trap (42).
8. Offshore wind power booster station according to claim 7, characterized in that: the water guide plate (41) and the slag blocking plate (42) at the lower part are obliquely arranged, and the oblique directions are all upwards oblique at the closed end.
9. Offshore wind power booster station according to claim 1, characterized in that: the winding drum (22) is provided with a through hole at the periphery, the hose (21) enters the winding drum (22) from one end of the hose, extends outwards from the through hole, is wound outside the winding drum (22) and is finally connected to the moving piece.
10. Offshore wind power booster station according to claim 1 or 9, characterized in that: the moving member is equipped with on the removal dolly (5) and supplies hose (21) to run through decurrent vertical hole including removing dolly (5), is connected with a pair of vertical leading wheel (51) on removal dolly (5), and hose (21) get into vertical hole downwards after passing between vertical leading wheel (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042335.6A CN113730842B (en) | 2021-09-07 | 2021-09-07 | Offshore wind power booster station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042335.6A CN113730842B (en) | 2021-09-07 | 2021-09-07 | Offshore wind power booster station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113730842A true CN113730842A (en) | 2021-12-03 |
| CN113730842B CN113730842B (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111042335.6A Active CN113730842B (en) | 2021-09-07 | 2021-09-07 | Offshore wind power booster station |
Country Status (1)
| Country | Link |
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| CN (1) | CN113730842B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW391260U (en) * | 1997-10-17 | 2000-05-21 | Jeng Ching Wei | Manless fire fighting equipment |
| CN202187418U (en) * | 2011-07-14 | 2012-04-11 | 无锡市政设计研究院有限公司 | Gutter inlet device |
| CN204199373U (en) * | 2014-10-14 | 2015-03-11 | 苏州纳源环保科技有限公司 | A kind of rainwater-collecting filters decontamination system |
| CN104906725A (en) * | 2015-06-16 | 2015-09-16 | 中国能源建设集团广东省电力设计研究院有限公司 | Main transformer fire extinguishing system of maritime booster station |
| CN107034868A (en) * | 2017-05-29 | 2017-08-11 | 江苏省金峰石油机械制造有限公司 | A kind of fire-proof type offshore drilling platformses |
| CN206481741U (en) * | 2017-02-16 | 2017-09-12 | 深圳市柯沐生态科技产业有限公司 | A kind of ecological garden rainwater cyclic utilization system |
| CN207245026U (en) * | 2017-06-07 | 2018-04-17 | 北京良乡蓝鑫水利工程设计有限公司 | A kind of automatic-lifting type rain water on roof mouth |
| WO2018150096A1 (en) * | 2017-02-15 | 2018-08-23 | Rolls-Royce Oy Ab | A fire extinguisher and a seagoing vessel |
| US20190209882A1 (en) * | 2016-09-15 | 2019-07-11 | Equinor Energy As | Optimising fire protection for an offshore platform |
| CN209798950U (en) * | 2019-04-03 | 2019-12-17 | 浙江华大树脂有限公司 | Rainwater collection device of chemical plant |
| CN112688221A (en) * | 2020-12-18 | 2021-04-20 | 长江勘测规划设计研究有限责任公司 | Double-layer offshore booster station |
-
2021
- 2021-09-07 CN CN202111042335.6A patent/CN113730842B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW391260U (en) * | 1997-10-17 | 2000-05-21 | Jeng Ching Wei | Manless fire fighting equipment |
| CN202187418U (en) * | 2011-07-14 | 2012-04-11 | 无锡市政设计研究院有限公司 | Gutter inlet device |
| CN204199373U (en) * | 2014-10-14 | 2015-03-11 | 苏州纳源环保科技有限公司 | A kind of rainwater-collecting filters decontamination system |
| CN104906725A (en) * | 2015-06-16 | 2015-09-16 | 中国能源建设集团广东省电力设计研究院有限公司 | Main transformer fire extinguishing system of maritime booster station |
| US20190209882A1 (en) * | 2016-09-15 | 2019-07-11 | Equinor Energy As | Optimising fire protection for an offshore platform |
| WO2018150096A1 (en) * | 2017-02-15 | 2018-08-23 | Rolls-Royce Oy Ab | A fire extinguisher and a seagoing vessel |
| CN206481741U (en) * | 2017-02-16 | 2017-09-12 | 深圳市柯沐生态科技产业有限公司 | A kind of ecological garden rainwater cyclic utilization system |
| CN107034868A (en) * | 2017-05-29 | 2017-08-11 | 江苏省金峰石油机械制造有限公司 | A kind of fire-proof type offshore drilling platformses |
| CN207245026U (en) * | 2017-06-07 | 2018-04-17 | 北京良乡蓝鑫水利工程设计有限公司 | A kind of automatic-lifting type rain water on roof mouth |
| CN209798950U (en) * | 2019-04-03 | 2019-12-17 | 浙江华大树脂有限公司 | Rainwater collection device of chemical plant |
| CN112688221A (en) * | 2020-12-18 | 2021-04-20 | 长江勘测规划设计研究有限责任公司 | Double-layer offshore booster station |
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|---|---|
| CN113730842B (en) | 2022-06-28 |
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