CN220448615U - Suspension type expandable offshore converter station accident waste liquid storage device - Google Patents
Suspension type expandable offshore converter station accident waste liquid storage device Download PDFInfo
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- CN220448615U CN220448615U CN202321738142.9U CN202321738142U CN220448615U CN 220448615 U CN220448615 U CN 220448615U CN 202321738142 U CN202321738142 U CN 202321738142U CN 220448615 U CN220448615 U CN 220448615U
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- storage tank
- waste liquid
- pipeline
- holding vessel
- converter station
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- 238000003860 storage Methods 0.000 title claims abstract description 107
- 239000007788 liquid Substances 0.000 title claims abstract description 56
- 239000002699 waste material Substances 0.000 title claims abstract description 41
- 239000000725 suspension Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a suspension type expandable offshore converter station accident waste liquid storage device which comprises an offshore platform and a plurality of storage tanks which are sequentially communicated, wherein the top of each storage tank is provided with a plurality of suspension columns, the other ends of the suspension columns are detachably connected with the offshore platform, the top of each storage tank is provided with a water inlet interface, two sides of each storage tank are respectively provided with an L-shaped communicating pipe, adjacent storage tanks are communicated through the expansion interfaces of the L-shaped communicating pipes, the other ends of the L-shaped communicating pipes penetrate through the side surfaces of the storage tanks, the pipe orifices of the L-shaped communicating pipes are positioned at the bottom of the storage tanks, and the other sides of the storage tanks are also communicated with an oil storage tank.
Description
Technical Field
The utility model relates to the technical field of auxiliary devices of offshore converter stations, in particular to a suspension type expandable offshore converter station accident waste liquid storage device.
Background
With the continuous increase of the scale, offshore distance and water depth of the offshore wind farm in China, the traditional alternating current transmission mode is uneconomical, and an offshore converter station is required to be arranged to convert alternating current generated by an offshore wind turbine into direct current and transmit the direct current to land, so that the energy loss in the wind farm can be reduced, the electric energy transmission efficiency is improved, and the development of clean energy is further promoted.
The existing accident waste liquid storage device of the offshore converter station is an oil storage tank arranged in an outfitting structure above a platform of the offshore converter station, and the offshore converter station can generate accident waste liquid under the following conditions: 1. the main transformer and other equipment have accidents, so that accident oil is generated; 2. the main transformer and other equipment generate fire disaster, and produce mixed liquid of accident oil and fire-fighting wastewater; 3. fire rescue wastewater generated by fire disaster of other oil-free equipment of the convertor station. Aiming at the conditions 1 and 2, the prior art adopts the method that an oil storage tank is arranged below a main transformer, and accident oil and water enter the oil storage tank through a pipeline to be temporarily stored; aiming at the situation 3, the prior art adopts the structure that an oil storage tank is arranged on the bottom layer of an outfitting structure body on an offshore platform, and fire-fighting wastewater enters the oil storage tank through a pipeline to be temporarily stored.
However, because the accident oil and the fire control waste water are different in treatment mode, the two waste liquid storage tanks are respectively and independently arranged and distributed on different floors, cannot be mutually communicated and are mutually standby, and meanwhile, the maximum accident waste liquid generated by one accident according to the volume of each oil storage tank at the converter station needs to occupy a certain space to generate certain limit on the design and layout of the offshore converter station.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the suspended expandable marine converter station accident waste liquid storage device, and the suspended columns are added on the accident waste liquid storage tank to serve as supports, so that the storage tank can be suspended below an offshore platform without occupying valuable space above the platform, space is moved for other electrical equipment, and simultaneously, the storage tank is subjected to expandable design, so that two waste liquid storage tanks of accident oil and fire-fighting waste water are mutually standby, and the collection capacity of accident waste liquid when a serious accident situation occurs in the converter station is improved.
The technical scheme of the utility model is as follows:
the utility model provides a but suspension type dilatation marine current transformer station accident waste liquid storage device, includes offshore platform and a plurality of holding vessel that communicates in proper order, the holding vessel top is provided with a plurality of suspension posts, the other end of suspension post with offshore platform can dismantle the connection, the holding vessel top is provided with the interface that intakes, L type communicating pipe is installed respectively to the both sides of holding vessel, and is adjacent the holding vessel passes through the dilatation interface of L type communicating pipe communicates, the other end of L type communicating pipe wears to establish the side of holding vessel just the mouth of pipe of L type communicating pipe is located the bottom of holding vessel, the opposite side of holding vessel still communicates there is the oil storage tank.
Further, a capacity expansion port adjacent to the L-shaped communicating pipe is provided with a blocking electric valve for controlling the communicating state of the L-shaped communicating pipe.
Further, the holding vessel intercommunication one side of oil storage tank is provided with first pipeline, one side of oil storage tank be provided with the second pipeline of first pipeline adaptation, first pipeline and second pipeline can dismantle the connection, the height of first pipeline is less than the height of L type communicating pipe.
Further, an indicating valve capable of moving up and down is arranged in the oil storage tank.
Further, the top of the oil storage tank is stepped, the indicating valve penetrates through the lowest position of the top of the oil storage tank, the second pipeline is arranged at the lowest position of the top of the oil storage tank, and the height of the indicating valve is larger than the diameter of the second pipeline.
Further, the tops of the storage tank and the oil storage tank are provided with a manhole and a plurality of vent pipes.
Further, liquid outlet ports are formed in the bottoms of the storage tank and the oil storage tank.
Further, an overflow pipe is arranged on the side wall of the storage tank.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the suspension column is added on the accident waste liquid storage tank to serve as a support, so that the storage tank can be suspended below an offshore platform, precious space above the platform is not occupied, space is moved for other electrical equipment, and secondary damage to a converter station caused by accident waste liquid overflow or leakage and the like when the situation of over-design consideration is met can be avoided.
2. According to the utility model, through the communication design of the accident waste liquid storage tanks, the single set of accident waste liquid storage tanks has the capacity-expandable capacity. Under the existing design method, two waste liquid storage tanks of accident oil and fire-fighting waste water are mutually reserved, and the collection capacity of accident waste liquid is improved when a serious accident situation occurs in the converter station. To the demand of accident waste liquid volume dilatation that probably appears in the future, only need to reserve below the platform and hang the fulcrum, the increase of capacity transformation degree of difficulty and cost are also very little, can wholly dismantle the holding vessel simultaneously, change new storage device, also can carry out the waste liquid transfer in situ for accident aftertreatment is more nimble.
3. According to the utility model, the oil storage tanks are arranged on one sides of the storage tanks, simple oil-water separation can be carried out before the accident waste liquid is discharged, and meanwhile, the indication valves arranged in the oil storage tanks can prevent the liquid from flowing back into the storage tanks.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a storage tank connection according to the present utility model;
fig. 3 is a sectional view of an oil storage tank according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. an offshore platform; 2. a storage tank; 3. a hanging column; 4. a water inlet port; 5. an L-shaped communicating tube; 6. an oil storage tank; 7. isolating the electric valve; 8. a first pipe; 9. a second pipe; 10. an indicator valve; 11. a manhole; 12. a vent pipe; 13. a liquid outlet interface; 14. and (3) an overflow pipe.
Detailed Description
In order to make the contents of the present utility model more easily understood, the technical scheme of the present utility model will be further described with reference to the specific embodiments and the accompanying drawings, but the present utility model is not limited thereto.
Referring to fig. 1 and 2, the utility model provides a technical scheme: the utility model provides a but suspension type dilatation marine current transformer station accident waste liquid storage device, including offshore platform 1 and a plurality of holding vessel 2 that communicate in proper order, holding vessel 2 top is provided with a plurality of suspension post 3, a plurality of suspension fulcra are reserved to offshore platform 1 below, suspension post 3's the other end and offshore platform 1 pass through the bolt and can dismantle the connection, make holding vessel 2 can hang in offshore platform 1 below, do not occupy the valuable space above the platform, for the space of moving of other electrical equipment, holding vessel 2 top is provided with water inlet port 4, water inlet port 4 and upper portion accident waste liquid pipeline flange joint, L type communicating pipe 5 is installed respectively to the both sides of holding vessel 2, adjacent holding vessel 2 communicates through L type communicating pipe 5's dilatation interface, can make between holding vessel 2 realize each other as reserve, L type communicating pipe 5's the other end wears to establish holding vessel 2's side and L type communicating pipe 5's mouth of pipe is located holding vessel 2 bottom, both sides L type communicating pipe 5 constitutes U type structure, can make the accident waste liquid in holding vessel 2 inflow in the holding vessel 2, prevent to take place overflow condition pollution environment, the holding vessel 2 is still can be carried out in the separation tank 6 to the accident waste liquid in the holding vessel 2.
As a further preferred embodiment, the capacity expansion port of the adjacent L-shaped communicating pipe 5 is provided with a blocking electric valve 7 for controlling the communication state of the L-shaped communicating pipe 5, and the blocking electric valve 7 is opened or closed according to different accident conditions, when an accident occurs in a certain converter, the oil quantity and the fire-fighting water discharge are still at low liquid level in the storage tank 2, so that the adjacent storage tank 2 is not required to be communicated, and a plurality of tank bodies are prevented from being polluted by accident conditions; the accident rescue is still continuous along with the rising of the liquid level, and the water level reaches the high position, so that the isolating electric valve 7 can be opened to communicate different tank bodies for storing the accident waste liquid, the environment is prevented from being polluted by overflow conditions, and the collection capacity of the accident waste liquid when the serious accident condition occurs in the converter station is improved.
In combination with fig. 3, one side of the storage tank 2, which is communicated with the oil storage tank 6, is provided with a first pipeline 8, one side of the oil storage tank 6 is provided with a second pipeline 9 which is matched with the first pipeline 8, the first pipeline 8 and the second pipeline 9 are detachably connected, the height of the first pipeline 8 is lower than the height of the L-shaped communicating pipe 5, when the storage tank 2 is at a high liquid level, accident oil floating above can enter the oil storage tank 6, an indicating valve 10 which can move up and down is arranged in the oil storage tank 6, the indicating valve 10 rises along with the rising of the oil level, and an operator can judge the liquid level in the oil storage tank 6 according to the height of the indicating valve 10.
As a further preferred aspect of this embodiment, the top of the oil storage tank 6 is stepped, the indication valve 10 is penetrating through the lowest top position of the oil storage tank 6, and the second pipe 9 is disposed at the lowest top position of the oil storage tank 6, the height of the indication valve 10 is greater than the diameter of the second pipe 9, when the indication valve 10 reaches the lowest top position of the oil storage tank 6, the top of the oil storage tank 6 limits the indication valve 10, at this time, the indication valve 10 blocks the second pipe 9, and redundant accident waste liquid in the storage tank 2 flows into another storage tank 2 which is mutually communicated, so as to prevent the liquid in the oil storage tank 6 from flowing back into the storage tank 2.
As a further preference of this embodiment, the tops of the storage tank 2 and the oil storage tank 6 are both provided with a manhole 11 and a plurality of ventilation pipes 12, the manhole 11 is a channel for the next person to overhaul at the top of the accident waste liquid storage tank body, and the ventilation pipe 12 is a pipeline for ventilation at the top of the accident waste liquid storage tank body.
Specifically, the bottoms of the storage tank 2 and the oil storage tank 6 are provided with liquid outlet ports 13 for emptying the connection ports of the storage tank 2 and the oil storage tank 6, the liquid outlet ports 13 are connected in a flange manner, and the liquid outlet ports are plugged by adopting flange plugs under the non-emptying condition.
Specifically, the overflow pipe 14 is installed at the side wall of the storage tank 2 to prevent accidents when accident waste liquid exceeds expectations.
The working principle of the utility model is as follows:
when an accident occurs to a certain converter transformer, the oil quantity and the fire-fighting drainage quantity are still at low liquid level in the storage tank 2, so that the adjacent storage tanks 2 do not need to be communicated, and a plurality of tank bodies are prevented from being polluted by the accident; along with the rising of the liquid level, accident rescue is still continuous, the water level reaches a high level, accident oil in the storage tank 2 enters the oil storage tank 6 through the first pipeline 8 and the second pipeline 9 to be subjected to oil-water pre-separation, and meanwhile, the isolating electric valve 7 can be opened to be communicated with the adjacent storage tank 2 for storing accident waste liquid.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (8)
1. A but suspension type dilatation marine current transformer station accident waste liquid storage device, its characterized in that: including offshore platform (1) and a plurality of holding vessel (2) that communicate in proper order, holding vessel (2) top is provided with a plurality of suspension columns (3), the other end of suspension column (3) with offshore platform (1) can dismantle and be connected, holding vessel (2) top is provided with into water interface (4), L type communicating pipe (5) are installed respectively to the both sides of holding vessel (2), and is adjacent holding vessel (2) are passed through the dilatation interface of L type communicating pipe (5) communicates, the other end of L type communicating pipe (5) wears to establish the side of holding vessel (2) just the mouth of pipe of L type communicating pipe (5) is located the bottom of holding vessel (2), the opposite side of holding vessel (2) still communicates has oil storage tank (6).
2. A hanging expandable offshore converter station accident waste liquid storage unit according to claim 1, wherein: and a capacity expansion interface adjacent to the L-shaped communicating pipe (5) is provided with a blocking electric valve (7) for controlling the communicating state of the L-shaped communicating pipe (5).
3. A hanging expandable offshore converter station accident waste liquid storage unit according to claim 1, wherein: the storage tank (2) is communicated with one side of the oil storage tank (6) is provided with a first pipeline (8), one side of the oil storage tank (6) is provided with a second pipeline (9) matched with the first pipeline (8), the first pipeline (8) and the second pipeline (9) are detachably connected, and the height of the first pipeline (8) is lower than that of the L-shaped communicating pipe (5).
4. A hanging expandable offshore converter station accident waste liquid storage unit according to claim 3, wherein: an indication valve (10) capable of moving up and down is arranged in the oil storage tank (6).
5. A hanging expandable offshore converter station accident waste liquid storage unit according to claim 4, wherein: the top of oil storage tank (6) is echelonment, pilot valve (10) wear to establish the top minimum position of oil storage tank (6), just second pipeline (9) set up the top minimum position of oil storage tank (6), the height of pilot valve (10) is greater than the diameter of second pipeline (9).
6. A hanging expandable offshore converter station accident waste liquid storage unit according to claim 1, wherein: the tops of the storage tank (2) and the oil storage tank (6) are respectively provided with a manhole (11) and a plurality of vent pipes (12).
7. A hanging expandable offshore converter station accident waste liquid storage unit according to claim 1, wherein: the bottoms of the storage tank (2) and the oil storage tank (6) are respectively provided with a liquid outlet interface (13).
8. A hanging expandable offshore converter station accident waste liquid storage unit according to claim 1, wherein: an overflow pipe (14) is arranged on the side wall of the storage tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321738142.9U CN220448615U (en) | 2023-07-04 | 2023-07-04 | Suspension type expandable offshore converter station accident waste liquid storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321738142.9U CN220448615U (en) | 2023-07-04 | 2023-07-04 | Suspension type expandable offshore converter station accident waste liquid storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220448615U true CN220448615U (en) | 2024-02-06 |
Family
ID=89730709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321738142.9U Active CN220448615U (en) | 2023-07-04 | 2023-07-04 | Suspension type expandable offshore converter station accident waste liquid storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220448615U (en) |
-
2023
- 2023-07-04 CN CN202321738142.9U patent/CN220448615U/en active Active
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