CN214170674U - Diesel generator set arrangement structure of offshore flexible direct current converter station - Google Patents
Diesel generator set arrangement structure of offshore flexible direct current converter station Download PDFInfo
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- CN214170674U CN214170674U CN202023305701.6U CN202023305701U CN214170674U CN 214170674 U CN214170674 U CN 214170674U CN 202023305701 U CN202023305701 U CN 202023305701U CN 214170674 U CN214170674 U CN 214170674U
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Abstract
The utility model discloses a diesel generating set arrangement structure of an offshore flexible direct current converter station, wherein one side of a power distribution cabinet (5) is respectively connected with a No. 1 diesel generating set (1) and a No. 2 diesel generating set (2) through cables, and the other side of the power distribution cabinet is connected with an externally-connected 400V station power utilization switch cabinet through cables; the domestic oil tank (7) is arranged in the oil tank room (6), the defect that the integral platform arrangement of the offshore flexible direct current converter station is affected due to the fact that the existing diesel generator set is large in size and heavy in weight and the air inlet and exhaust requirements of the diesel generator set need to be met is overcome, and the domestic oil tank room has the advantages that the requirements of the diesel generator set for air inlet, air exhaust, smoke exhaust and the like are met by adopting the mode of air inlet from the top of the diesel engine room, air exhaust and smoke exhaust of the side wall.
Description
Technical Field
The utility model relates to marine wind power flexible direct current transmission engineering technical field, more specifically the diesel generating set arrangement structure of marine flexible direct current convertor station.
Background
The diesel generating set is used as an energy conversion device with electromechanical integration and complete operation, has the characteristics of stability, flexibility and convenience in operation, and is often used as a standby power supply.
Because the power grid structure of China is more perfect and the reliability is high, the conventional land transformer substation or the converter station is rarely provided with a diesel generator set as a standby power supply.
Because the offshore flexible direct current converter station is far from the shore, the arrangement of a special external power supply is difficult, and a diesel generator set is usually adopted as an in-station standby power supply. In order to improve the reliability of a standby power supply, 2 diesel generator sets with the same capacity and mutually standby are usually arranged, and are connected into a 400V station power utilization system and used for supplying power to station loads under the working conditions of normal starting process and long-time power failure maintenance of an offshore flexible direct current power transmission system.
Different from an offshore booster station, in the normal starting process of an offshore flexible direct current transmission system, appropriate environmental conditions need to be provided for a converter valve of the offshore flexible direct current converter station, and the temperature and humidity requirements of the converter valve and the surrounding environment of the converter valve are ensured.
In the normal starting process of the offshore flexible direct current transmission system, station power loads of the offshore flexible direct current converter station not only have emergency loads in the station, but also have station loads of a heating ventilation air-conditioning system, a water cooling system, a control protection system and the like which are required for ensuring the normal starting of the offshore flexible direct current transmission system. Therefore, the capacity of a single diesel generator set of the offshore flexible direct current converter station usually reaches 1000kW level.
However, the diesel generator set of the offshore flexible direct current converter station has a large size and a heavy weight, and simultaneously needs to meet the air intake and exhaust requirements of the diesel generator set, which will affect the overall platform arrangement of the offshore flexible direct current converter station to a certain extent. At present, the research and development and design experience of the offshore flexible direct current converter station in China is not mature, and particularly, related research work is less developed aiming at the arrangement of a diesel generator set of the offshore flexible direct current converter station,
therefore, how to provide a reasonable arrangement structure of the marine flexible direct current converter station diesel generator set is a problem to be solved urgently at the present stage.
Disclosure of Invention
An object of the utility model is to overcome the weak point of above-mentioned background art, and provide a diesel generator group arrangement structure of flexible direct current converter station on sea.
The utility model aims at being implemented through the following technical scheme: a diesel generator set arrangement structure of an offshore flexible direct current converter station comprises a No. 1 diesel generator set, a No. 2 diesel generator set, a No. 1 diesel engine room, a No. 2 diesel engine room, a power distribution cabinet, an oil tank room, a daily oil tank, an air inlet, an air exhaust whistle box and a smoke exhaust pipeline;
the No. 1 diesel engine room and the No. 2 diesel engine room are adjacently arranged, and the No. 1 diesel generator set and the No. 2 diesel generator set are respectively and correspondingly arranged in the No. 1 diesel engine room and the No. 2 diesel engine room;
oil tank rooms are arranged in the No. 1 diesel engine room and the No. 2 diesel engine room, and a power distribution cabinet is arranged in the No. 1 diesel engine room;
one side of the power distribution cabinet is connected with the No. 1 diesel generator set and the No. 2 diesel generator set through cables, and the other side of the power distribution cabinet is connected with an externally-connected 400V station power switch cabinet through cables; a daily oil tank is arranged in the oil tank chamber,
the No. 1 diesel engine room and the No. 2 diesel engine room are both provided with air inlets, the top ends of the well mouths of the air inlets are arranged at the top of the offshore flexible direct current converter station,
the side walls of the No. 1 diesel engine room and the No. 2 diesel engine room are provided with an exhaust whistle box and a smoke exhaust pipeline, and the exhaust whistle box and the smoke exhaust pipeline are communicated with the outside.
In the above technical scheme: the No. 1 diesel engine room and the station power utilization room are arranged in a close proximity mode, and the width of the No. 1 diesel engine room is consistent with that of the station power utilization room.
In the above technical scheme: the oil tanks are connected with another diesel oil storage tank through pipelines, and the diesel oil storage tank is positioned in the offshore flexible direct current converter station.
In the above technical scheme: the power distribution cabinet is arranged on the foundation support.
The utility model has the advantages of as follows: 1. the utility model discloses diesel engine room is adjacent with 400V station power consumption room, reduces diesel generating set and is qualified for the next round of competitions the generating line to the length of many large cross section low tension cables of station power consumption system generating line.
2. The utility model discloses increase the mounting height that diesel generating set switch board was raised to the foundation support, satisfy the cabinet body and go into down the play linear formula, can combine together with the raised floor of station power consumption room, guarantee cable laying's smooth and easy.
3. The utility model discloses set up between independent daily oil tank in every diesel engine room for arrange diesel generating set's daily oil tank, pass through the pipe connection between daily oil tank and the diesel generating set. The offshore flexible direct-current converter station platform is usually provided with a large diesel oil storage tank, the diesel oil storage tank is connected with a daily oil tank through a pipeline, and diesel oil is conveyed to the daily oil tank from the diesel oil storage tank by an oil pump so as to meet the oil supply requirement of normal work of a diesel generating set.
4. The utility model discloses offshore platform room overall arrangement is compact, considers platform ventilation shaft and equipment layout unified planning, sets up the air inlet well at the top trompil that the diesel engine room is close to the generator side, from marine flexible direct current conversion station top air inlet to indoor; a hole is formed in a wall body close to the engine unit side of the diesel generating set, and an exhaust silencing box and an exhaust port are arranged and are directly communicated with the outside of the marine flexible direct current convertor station. The mode of air inlet from the top of the diesel engine room, air exhaust from the side wall and smoke exhaust is adopted, and the requirements of air inlet, air exhaust, smoke exhaust and the like of the diesel generator set are met.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the No. 1 diesel engine room of the present invention.
In the figure: no. 1 diesel generating set 1, No. 2 diesel generating set 2, No. 1 diesel engine room 3, No. 2 diesel engine room 4, switch board 5, oil tank room 6, daily oil tank 7, air intake 8, air exhaust whistle box 9, exhaust pipe 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to FIGS. 1-2: a diesel generator set arrangement structure of an offshore flexible direct current converter station comprises a No. 1 diesel generator set 1, a No. 2 diesel generator set 2, a No. 1 diesel engine room 3, a No. 2 diesel engine room 4, a power distribution cabinet 5, an oil tank room 6, a daily oil tank 7, an air inlet 8, an air exhaust sound-muffling box 9 and an exhaust pipeline 10;
the No. 1 diesel engine room 3 and the No. 2 diesel engine room 4 are adjacently arranged, and the No. 1 diesel generator set 1 and the No. 2 diesel generator set 2 are respectively and correspondingly arranged in the No. 1 diesel engine room 3 and the No. 2 diesel engine room 4;
one side of the power distribution cabinet 5 is connected with the No. 1 diesel generator set and the No. 2 diesel generator set through cables respectively, and the other side of the power distribution cabinet is connected with an externally-connected 400V station power switch cabinet through cables; a daily oil tank 7 is arranged in the oil tank room 6,
the No. 1 diesel engine room 3 and the No. 2 diesel engine room 4 are both provided with an air inlet 8, the top end of a wellhead of the air inlet 8 is arranged at the top of the offshore flexible direct current converter station,
the side walls of the No. 1 diesel engine room 3 and the No. 2 diesel engine room 4 are provided with an exhaust silencing box 9 and a smoke exhaust pipeline 10, and the exhaust silencing box 9 and the smoke exhaust pipeline 10 are communicated with the outside.
The No. 1 diesel engine room 3 is arranged close to the power utilization room of the converter station, and the width of the No. 1 diesel engine room 3 is consistent with that of the power utilization room of the converter station.
The No. 1 diesel engine room 3 is arranged close to the station electric room, so that the use amount of connecting cables can be greatly reduced. Under the condition of meeting the functional requirements of different systems, rooms with different sizes are arranged in close proximity and are matched with each other in the width direction of the rooms, so that the requirements of equipment maintenance and transportation are met, the arrangement of the converter stations is effectively saved, the structure is compact, and the space and the manufacturing cost are saved.
The oil tank room 6 is connected with an additional diesel oil storage tank through a pipeline, and the diesel oil storage tank is positioned in the offshore flexible direct current converter station. The diesel oil storage tank is positioned in the offshore flexible direct current converter station. The diesel oil storage tank can meet the working condition requirement of continuous operation of the diesel engine in a short period, and guarantee and convenience are brought to operation and maintenance of the offshore converter station.
The power distribution cabinet 5 is arranged on the foundation support. Set up basic support in switch board below, both satisfied low-voltage cable bend radius and laid the demand, bring very big facility to the installation of many, big cross-section low-voltage cable again.
The utility model discloses still include following specific working process: the No. 1 diesel generator set and the No. 2 diesel generator set are respectively and correspondingly arranged in the No. 1 diesel engine room 3 and the No. 2 diesel engine room 4; the air inlet 8 is used for inducing air from the outdoor to the indoor through the air vent, and the air exhaust system is used for exhausting air from the indoor to the outdoor through the air exhaust whistle box 9. The smoke exhaust pipeline 10 exhausts smoke from the indoor to the outdoor through the side wall. The No. 1 diesel engine room 3 and the No. 2 diesel engine room 4 are both provided with oil tank rooms 6, and the daily oil tank 7 is arranged in the oil tank rooms 6. The daily oil tank 7 is connected with the No. 1 diesel generator set 1 and the No. 2 diesel generator set 2 through oil pipelines, and daily use requirements of the diesel engine are met.
No. 1 diesel generating set, No. 2 diesel generating set pass through cable junction with switch board 5, and switch board 5 passes through cable junction with the power consumption system of standing, satisfies the power consumption system of standing still can normal use under the special operating mode.
The above-mentioned parts not described in detail are prior art.
Claims (4)
1. The utility model provides a diesel generator group arrangement structure of flexible direct current converter station on sea which characterized in that: the device comprises a No. 1 diesel generating set (1), a No. 2 diesel generating set (2), a No. 1 diesel engine room (3), a No. 2 diesel engine room (4), a power distribution cabinet (5), an oil tank room (6), a daily oil tank (7), an air inlet (8), an air exhaust sound deadening box (9) and a smoke exhaust pipeline (10);
the No. 1 diesel engine room (3) and the No. 2 diesel engine room (4) are adjacently arranged, and the No. 1 diesel generator set (1) and the No. 2 diesel generator set (2) are respectively and correspondingly arranged in the No. 1 diesel engine room (3) and the No. 2 diesel engine room (4);
oil tank rooms (6) are arranged in the No. 1 diesel engine room (3) and the No. 2 diesel engine room (4), and a power distribution cabinet (5) is arranged in the No. 1 diesel engine room (3);
one side of the power distribution cabinet (5) is connected with the No. 1 diesel generator set (1) and the No. 2 diesel generator set (2) through cables, and the other side of the power distribution cabinet is connected with an externally-connected 400V station power switch cabinet through cables; a daily oil tank (7) is arranged in the oil tank chamber (6),
the No. 1 diesel engine room (3) and the No. 2 diesel engine room (4) are both provided with an air inlet (8), the top end of a wellhead of the air inlet (8) is arranged at the top of the offshore flexible direct current converter station,
the side walls of the No. 1 diesel engine room (3) and the No. 2 diesel engine room (4) are provided with an exhaust whistle box (9) and a smoke exhaust pipeline (10), and the exhaust whistle box (9) and the smoke exhaust pipeline (10) are communicated with the outside.
2. The diesel generator set arrangement of an offshore flexible direct current converter station according to claim 1, characterized in that: the No. 1 diesel engine room (3) is arranged close to the power room for the converter station, and the width of the No. 1 diesel engine room (3) is consistent with that of the power room for the converter station.
3. A diesel generator set arrangement of an offshore flexible direct current converter station according to claim 1 or 2, characterized in that: the oil tank room (6) is connected with an additional diesel oil storage tank through a pipeline, and the diesel oil storage tank is positioned in the offshore flexible direct current converter station.
4. A diesel generator set arrangement for an offshore flexible direct current converter station according to claim 3, characterized in that: the power distribution cabinet (5) is arranged on the base support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305701.6U CN214170674U (en) | 2020-12-31 | 2020-12-31 | Diesel generator set arrangement structure of offshore flexible direct current converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305701.6U CN214170674U (en) | 2020-12-31 | 2020-12-31 | Diesel generator set arrangement structure of offshore flexible direct current converter station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214170674U true CN214170674U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023305701.6U Active CN214170674U (en) | 2020-12-31 | 2020-12-31 | Diesel generator set arrangement structure of offshore flexible direct current converter station |
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| Country | Link |
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| CN (1) | CN214170674U (en) |
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2020
- 2020-12-31 CN CN202023305701.6U patent/CN214170674U/en active Active
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