CN204402725U - Multi-composite type diesel generating set black starting-up device - Google Patents
Multi-composite type diesel generating set black starting-up device Download PDFInfo
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- CN204402725U CN204402725U CN201420780403.8U CN201420780403U CN204402725U CN 204402725 U CN204402725 U CN 204402725U CN 201420780403 U CN201420780403 U CN 201420780403U CN 204402725 U CN204402725 U CN 204402725U
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Abstract
The utility model discloses multi-composite type diesel generating set black starting-up device, mainly comprise electric starter, gas starting drive and hydraulic starting device, it is characterized in that: electric starter, gas starting drive are connected the unit control system on diesel generator respectively with hydraulic starting device.Technique effect of the present utility model is: when external environmental condition allows, under the help of dispatch from foreign news agency, with the electric starting system of diesel engine, starts unit generation; When ambient conditions is severe, when losing external power supply completely, utilize gas starting drive, as electricity start gentle starting drive all break down time.Hydraulic energy-accumulating start up system can also be adopted, start unit generation.Three covers completely independently scheme, guarantees the normal operation that under any circumstance can ensure unit.Be particularly suitable for complete " black " startup of power plant, the startup of paralysed ship, offshore occasion, Extreme Temperature Conditions, start diesel generating set work.
Description
Technical field
The utility model relates to and under any environmental conditions, normally can start diesel generating set, is specifically related to a kind of multi-composite type diesel generating set black starting-up device.
Background technique
On some large power plants, offshore platform, ship, system is because of after fault stoppage in transit, system all has a power failure, and is in complete " black " state, if can not rely on other web help, by having the generator set black starting-up device of self-startup ability in system, drive the generator set of non self starting, expand System recover scope gradually, finally realize the recovery of whole system, disastrous event not only can be avoided to occur, can also economic loss be reduced.In modern diesel generator group system, configuring maximum has been exactly electric starter, although electric Starting mode has certain advantage, it is affected by environment comparatively large, and when external environment is comparatively severe, electric starter probably lost efficacy.And as user's diesel-engine generator set, no matter be primary power cource or standby power supply, can normally run and not only be related to economic problems, serious also can relate to life safety.In order to allow diesel generating set normally work, the problem that first will solve has been exactly the starting problem of unit, so can unit start under what abnormal conditions in office safely and reliably, seems particularly important.
As one of the important measures of safe operation of power system, recovery problem after research power system accident i.e. " black starting-up " problem has great theoretical and practical significance, after system all has a power failure, making it restore electricity is a very complicated and time-consuming thing, operating experience tells us, if there is adequately and reasonably accident recovery scheme, ensure that unit in any environment can startup optimization, not only power off time can be reduced, can also avoid, because of the device damage caused that has a power failure, reducing economic loss.Multi-composite type diesel generating set black starting-up device, has concentrated the black-start scheme under various rugged environment, allows startup optimization success in the unit short time, more safe and reliable.
This multi-composite type diesel generating set black starting-up device can be installed on the MAN diesel engine that model is D2862LE223, this type is except electric starting motor has installed, also be reserved with the flange-interface of three motors, conveniently install gas additional and start and hydraulic launch motor.Realize the Combination application of many starting drives.Equally, as long as this model utility can also be applied on any diesel engine of enough installation motor positions.
Summary of the invention
The purpose of this utility model is to provide a kind of multi-composite type diesel generating set black starting-up device, when can ensure electric power system electric network fault, or when paralysed ship, offshore occasion, without the need to the assistance of any dispatch from foreign news agency power supply, be adapted to various rugged environment, diesel generating set all can utilize self performance, starts the operation of diesel generating set safely and reliably.
The utility model comes work and enforcement like this, multi-composite type diesel generating set black starting-up device, mainly comprise electric starter, gas starting drive and hydraulic starting device, it is characterized in that: electric starter, gas starting drive are connected the unit control system on diesel generator respectively with hydraulic starting device.
Further, described electric starter, be made up of storage battery, enable switch, starting motor and relay, storage battery, enable switch, starting motor and relay K 2 forms a closed-loop path, and unit is in armed state, and enable switch Q closes, enabled instruction ECM is provided by unit control system, when receiving the instruction that ECM provides, relay auxiliary line runs and causes K2 to close, and starting motor starts successfully.
Further, described gas starting drive, primarily of compositions such as pneumatics bottle, Decompression valves, ABAP Adapter, pressure gauge, outlet valve, starting motor and various pipelines; Pneumatics bottle connects Decompression valves, Decompression valves Payload attach fitting, and ABAP Adapter is connected outlet valve with pressure gauge, and outlet valve connects starting motor, connects mainly through various pipeline, adopts the expansion of pressurized gas, pressure energy is converted to the power plant of mechanical energy.
Further, described hydraulic starting device, by hydraulic hand-pump, fuel tank, filter, accumulator, series flow control valve, control valve, starting motor, pressure gauge, generator, electric hydraulic pump, unloading valve form; Described hydraulic hand-pump connects fuel tank, and fuel tank connects filter, and filter connects accumulator, and accumulator connects series flow control valve, series flow control valve connection control valve, and control valve connects starting motor; Described pressure gauge connects accumulator; Described generator connects electric hydraulic pump, and electric hydraulic pump connects unloading valve, and unloading valve connects accumulator.
Technique effect of the present utility model is: when external environmental condition allows, under the help of dispatch from foreign news agency, with the electric starting system of diesel engine, starts unit generation; When ambient conditions is severe, when losing external power supply completely, utilize gas starting drive, as electricity start gentle starting drive all break down time.Hydraulic energy-accumulating start up system can also be adopted, start unit generation.Three covers completely independently scheme, guarantees the normal operation that under any circumstance can ensure unit.Be particularly suitable for complete " black " startup of power plant, the startup of paralysed ship, offshore occasion, Extreme Temperature Conditions, start diesel generating set work.
Accompanying drawing explanation
Fig. 1 is system principle workflow diagram of the present utility model.
Fig. 2 is the working principle circuit diagram of electric starter of the present utility model.
Fig. 3 is the working principle circuit diagram of gas starting drive of the present utility model.
Fig. 4 is the working principle circuit diagram of hydraulic starting device of the present utility model.
In the drawings, 1, electric starter, 2, gas starting drive, 3, hydraulic starting device, 4, unit control system, 5, storage battery, 6, enable switch, 7, starting motor, 8, pneumatics bottle, 9, Decompression valves, 10, ABAP Adapter, 11, pressure gauge, 12, outlet valve, 13, hydraulic hand-pump, 14, fuel tank, 15, filter, 16, accumulator, 17, series flow control valve, 18, control valve, 19, generator, 20, electric hydraulic pump, 21, unloading valve.
Embodiment
As shown in Figure 1, the utility model realizes like this, multi-composite type diesel generating set black starting-up device, mainly comprise electric starter 1, gas starting drive 2 and hydraulic starting device 3, it is characterized in that: electric starter 1, gas starting drive 2 and hydraulic starting device 3 are connected the unit control system 4 on diesel generator respectively.After diesel engine unit control system 4 detects that user locates main electrical breakdown, the priority level that follow procedure sets, first enabled instruction is sent to electric starter 1, after electric starter 1 receives instruction, start diesel engine unit work, if three times start unsuccessfully, electricity starts failure signal and feeds back to unit control system 4; Unit control system 4 sends second time enabled instruction to gas starting drive 2, after instruction received by gas starting drive 2, starts diesel engine unit work, if in like manner start unsuccessfully three times, air pressure starts failure signal and feeds back to unit control system 4; Unit control system 4 sends third time enabled instruction to hydraulic starting device 3, after hydraulic starting device 3 receives instruction, starts diesel engine unit work.
As shown in Figure 2, described electric starter, be made up of storage battery 5, enable switch 6, starting motor 7 and relay, storage battery 5, enable switch 6, starting motor 7 and relay K 2 form a closed-loop path, and unit is in armed state, and enable switch Q closes, enabled instruction ECM is provided by unit control system, when receiving the instruction that ECM provides, relay auxiliary line runs and causes K2 to close, and starting motor starts successfully.
As shown in Figure 3, described gas starting drive, primarily of compositions such as pneumatics bottle 8, Decompression valves 9, ABAP Adapter 10, pressure gauge 11, outlet valve 12, starting motor 7 and various pipelines; Pneumatics bottle 8 connects Decompression valves 9, Decompression valves 9 Payload attach fitting 10, and ABAP Adapter 10 is connected outlet valve 12 with pressure gauge 11, outlet valve 12 connects starting motor 7, connect mainly through various pipeline, adopt the expansion of pressurized gas, pressure energy is converted to the power plant of mechanical energy.
As shown in Figure 4, described hydraulic starting device, by hydraulic hand-pump 13, fuel tank 14, filter 15, accumulator 16, series flow control valve 17, control valve 18, starting motor 7, pressure gauge 11, generator 19, electric hydraulic pump 20, unloading valve 21 form; Described hydraulic hand-pump 13 connects fuel tank 14, and fuel tank 14 connects filter 15, and filter 15 connects accumulator 16, and accumulator 16 connects series flow control valve 17, series flow control valve 17 connection control valve 18, and control valve 18 connects starting motor 7; Described pressure gauge 11 connects accumulator 16; Described generator 19 connects electric hydraulic pump 20, and electric hydraulic pump 20 connects unloading valve 21, and unloading valve 21 connects accumulator 16.Described hydraulic starting specific implementation method is as follows:
1, extra power is not being had for seasonable (initiating switchup or emergency starting), the manually manual pressurizing device of oil hydraulic pump 13, hydraulic oil in fuel tank 14 is entered accumulator (5) through filter (9) extruding, after on pressure gauge (4), the oil pressure observed in accumulator reaches enough pressure (maximum service pressure 210bar), adjust series flow control valve (2), discharged the high pressure liquid force feed in accumulator 16 by control valve 15, drive hydraulic launch motor 7 to work.
2, when high pressure liquid force feed drives hydraulic launch motor 7, under effect of inertia, the driving pinion of hydraulic launch motor 7 engages with flywheel ring gear flexibility, and flywheel driven ring gear against rotation realizes diesel engine igniting; After completing igniting, unclamp control valve 18, now motor lose drive can, under the rotation and effect of inertia of flywheel ring gear, the driving pinion of motor and flywheel ring gear are thrown off and are resetted.
3, when after diesel engine ignition trigger, diesel engine band generator 19 can provide electric energy to the electric hydraulic pump 20 in hydraulic activating system, hydraulic oil realizes being continuously hydraulic accumulator 16 pressurising through load releasing valve 21, when system pressure is higher than during setting pressure time (maximum service pressure 210bar), unloading valve 21 is opened, and hydraulic oil passes back into long oil case 11 end.
Claims (4)
1. multi-composite type diesel generating set black starting-up device, mainly comprise electric starter, gas starting drive and hydraulic starting device, it is characterized in that: electric starter, gas starting drive are connected the unit control system on diesel generator respectively with hydraulic starting device.
2. a kind of multi-composite type diesel generating set black starting-up device according to claim 1, it is characterized in that: described electric starter, be made up of storage battery, enable switch, starting motor and relay, storage battery, enable switch, starting motor and relay K 2 forms a closed-loop path, unit is in armed state, enable switch Q closes, enabled instruction ECM is provided by unit control system, when receiving the instruction that ECM provides, relay auxiliary line runs and causes K2 to close, and starting motor starts.
3. a kind of multi-composite type diesel generating set black starting-up device according to claim 1, is characterized in that: described gas starting drive, forms primarily of pneumatics bottle, Decompression valves, ABAP Adapter, pressure gauge, outlet valve, starting motor and various pipeline; Pneumatics bottle connects Decompression valves, Decompression valves Payload attach fitting, and ABAP Adapter is connected outlet valve with pressure gauge, and outlet valve connects starting motor, connects mainly through various pipeline, adopts the expansion of pressurized gas, pressure energy is converted to the power plant of mechanical energy.
4. a kind of multi-composite type diesel generating set black starting-up device according to claim 1, it is characterized in that: described hydraulic starting device, by hydraulic hand-pump, fuel tank, filter, accumulator, series flow control valve, control valve, starting motor, pressure gauge, generator, electric hydraulic pump, unloading valve form; Described hydraulic hand-pump connects fuel tank, and fuel tank connects filter, and filter connects accumulator, and accumulator connects series flow control valve, series flow control valve connection control valve, and control valve connects starting motor; Described pressure gauge connects accumulator; Described generator connects electric hydraulic pump, and electric hydraulic pump connects unloading valve, and unloading valve connects accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780403.8U CN204402725U (en) | 2014-12-12 | 2014-12-12 | Multi-composite type diesel generating set black starting-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780403.8U CN204402725U (en) | 2014-12-12 | 2014-12-12 | Multi-composite type diesel generating set black starting-up device |
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| Publication Number | Publication Date |
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| CN204402725U true CN204402725U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420780403.8U Active CN204402725U (en) | 2014-12-12 | 2014-12-12 | Multi-composite type diesel generating set black starting-up device |
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| CN (1) | CN204402725U (en) |
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2014
- 2014-12-12 CN CN201420780403.8U patent/CN204402725U/en active Active
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