CN207145021U - A kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium - Google Patents

A kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium Download PDF

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Publication number
CN207145021U
CN207145021U CN201720510914.1U CN201720510914U CN207145021U CN 207145021 U CN207145021 U CN 207145021U CN 201720510914 U CN201720510914 U CN 201720510914U CN 207145021 U CN207145021 U CN 207145021U
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China
Prior art keywords
pump
direct current
lubrication
lubricating oil
electronic fuel
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CN201720510914.1U
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Chinese (zh)
Inventor
胡茂
祝勇军
陈伟
衡红
麦吉昌
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Sichuan Desheng Group Vanadium Titanium Co Ltd
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Sichuan Desheng Group Vanadium Titanium Co Ltd
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Abstract

The utility model discloses a kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium, the lubrication EFM Electronic Fuel Management includes grease-box, mechanical pump, steam turbine, connected between the grease-box and the mechanical pump by lubricating oil pipeline, the mechanical pump is connected with the steam turbine by lubricating oil pipeline, it is characterized in that, the grease-box is also communicated with direct current auxiliary oil pump, the direct current auxiliary oil pump and the mechanical parallel connection of pumps are to be communicated to the Lubricant oil management, direct current hydraulic pump control system is provided between the direct current auxiliary oil pump and the lubricating oil pipeline, pressure sensor is provided with the lubricating oil pipeline.This system improves lubrication EFM Electronic Fuel Management reliability of operation, security and accuracy.

Description

A kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium
Technical field
It the utility model is related to lubricating oil control field, and in particular to a kind of turbo-engine lube for the production of vanadium ferrotianium Control system.
Background technology
In generating set, steam turbine is high-speed rotating equipment, by mechanical pump is axle during its turbine rotor full speed running The lubricating oil that certain pressure and flow are provided is held, so that rotor bearing is played a part of lubricating and cooled down.But mechanical pump is in vapour When turbine starts and stopped, contribute not enough, it is necessary to start exchange auxiliary lubrication pump, to maintain certain lubricating oil pressure and stream Amount.And emergent oil pump is to be used for steam turbine under the emergency that happens suddenly, mainly under alternating current dead electricity situation, ensure as steam turbine Certain pressure and flow lubricating oil are provided to protect steam turbine, reduces the injury to critical component, direct current oil pump of meeting an urgent need should be able to be Put into operation immediately under various emergency situations.
In existing steam turbine control, steam turbine is starting with docking process, should start exchange auxiliary oil pump, with machine Tool pump needs to provide lubricating oil before operating condition depending on reaching for steam turbine, and when typically upper low-voltage AC is because of fault outage The emergent direct current oil pump of input, to ensure that steam turbine obtains enough lubricating oil in normal work.But existing control system is deposited In following defect:Alternating current generator runs well, and during the exchange auxiliary oil pump fault of its driving, oil pressure rapid drawdown is shown as, but do not have There is the parallel connection of pumps operation of input emergency oil, it is impossible to maintain fuel feeding, direct current oil pump of meeting an urgent need is by storage battery power supply, typically by operating personnel people Work judges oil pump when can be stopped, and in the case of emergency shutdown, operating personnel may forget to stop oil pump, actual upper bearing (metal) Temperature has been cooled to safety line, so as to cause lubricating oil largely to enter inside steam turbine, security risk be present.
Utility model content
In view of this, the application provides a kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium, the system energy Make the clean boot when exchanging oil pump and mechanical pump breaks down of direct current oil pump, the security of system can be high, simple in construction, reliably Property is higher.
To solve above technical problem, technical scheme provided by the utility model is a kind of steamer for the production of vanadium ferrotianium Machine lubricates EFM Electronic Fuel Management, and the lubrication EFM Electronic Fuel Management includes grease-box, mechanical pump, steam turbine, the grease-box and Being connected between the mechanical pump by lubricating oil pipeline, the mechanical pump is connected with the steam turbine by lubricating oil pipeline, its Be characterised by, the grease-box is also communicated with direct current auxiliary oil pump, the direct current auxiliary oil pump and the mechanical parallel connection of pumps with The lubricating oil pipeline is communicated to, direct current oil pump control system is provided between the direct current auxiliary oil pump and the lubricating oil pipeline Unite, pressure sensor is provided with the lubricating oil pipeline.
Preferably, the grease-box is also communicated with exchange auxiliary oil pump, and the exchange auxiliary oil pump and the direct current are auxiliary The lubricating oil pipeline is communicated to after helping oil pump parallel connection.
Preferably, the direct current hydraulic pump control system includes pressure switch and Distributed Control System, the pressure switch with The Distributed Control System parallel connection is to be communicated to the direct current auxiliary oil pump.
Preferably, it is provided with first check-valve between the mechanical pump and the lubricating oil pipeline.
Preferably, it is provided with second check-valve between the direct current auxiliary oil pump and the lubricating oil pipeline.
Preferably, it is provided with the 3rd check-valves between the exchange auxiliary oil pump and the lubricating oil pipeline.
Preferably, the lubricating oil pipeline is metal tube.
Compared with prior art, its detailed description is as follows by the application:The utility model provides a kind of vanadium ferrotianium that is used for and given birth to The steam-turbine lubrication EFM Electronic Fuel Management of production, under the control of the system, grease-box constantly conveys lubricating oil to protect for steam turbine Demonstrate,prove the normal work of steam turbine.The system includes grease-box, mechanical pump and steam turbine, grease-box, mechanical pump and steam turbine Between connected by lubricating oil pipeline, grease-box is by the control of mechanical pump by being carried in lubricating oil pipe road direction steam turbine bearing For lubricating oil, direct current auxiliary oil pump is also associated with grease-box with exchanging auxiliary oil pump, the direct current auxiliary oil pump, exchange Auxiliary oil pump and mechanical pump parallel communication to lubricating oil pipeline, under normal circumstances, mechanical pump, direct current auxiliary oil pump, AC auxiliary Help oil pump to work independently, can realize and the lubricating oil in grease-box is transported in steam turbine.Oil is aided in direct current Direct current hydraulic pump control system is provided between pump and the lubricating oil pipeline, pressure sensing is provided with the lubricating oil pipeline Device, the direct current hydraulic pump control system include pressure switch and Distributed Control System, the pressure switch and the collecting and distributing control System parallel connection is to be communicated to the direct current auxiliary oil pump.Under normal circumstances, the output of lubricating oil is controlled by mechanical pump, works as mechanical pump When breaking down, the output of exchange auxiliary oil pump control lubricating oil, when exchange auxiliary oil pump breaks down, start direct current auxiliary Oil pump, direct current auxiliary oil pump be by pressure switch and Distributed Control System co- controlling, when exchange auxiliary oil pump be stopped when, Distributed Control System sends instruction startup direct current auxiliary oil pump and is operated, but when electric power system breaks down, collecting and distributing control System processed can not work, and now pressure switch provides lubricating oil by direct current auxiliary oil pump is started for steam turbine.The mechanical pump First check-valve is provided between the lubricating oil pipeline, is set between the direct current auxiliary oil pump and the lubricating oil pipeline There is second check-valve, the 3rd check-valves is provided between the exchange auxiliary oil pump and the lubricating oil pipeline.Lubricating oil pipeline For metal tube.
The system is by setting and the direct current auxiliary oil pump of mechanical parallel connection of pumps and exchanging auxiliary oil pump, and direct current auxiliary oil pump Being controlled by single control system, the pressure signal detected by receiving pressure sensor controls the work of direct current auxiliary oil pump, Avoiding the failure of exchange auxiliary oil pump or the Distributed Control System power failure of direct current auxiliary oil pump causes to lubricate deficient oil supply, carries High lubrication EFM Electronic Fuel Management reliability of operation, security and accuracy.
Brief description of the drawings
Fig. 1 is turbo-engine lube control system architecture schematic diagram of the present utility model
Embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and have The utility model is described in further detail for body embodiment.
In Fig. 1,1- grease-boxs, 2- lubricating oil pipelines, 3- direct current auxiliary oil pumps, 4- pressure switches, the collecting and distributing controls of 5- System, 6- steam turbines, 7- mechanical pumps, 8- exchange auxiliary oil pumps, 9- lubricating oil pipelines loop, 10- pressure sensors, 11- second Check-valves, 12- first check-valves, the check-valves of 13- the 3rd
As shown in figure 1, the utility model provides a kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium, Under the control of the system, grease-box constantly conveys lubricating oil to ensure the normal work of steam turbine for steam turbine.The system bag Grease-box 1, mechanical pump 7 and steam turbine 6 are included, is connected between grease-box 1, mechanical pump 7 and steam turbine 6 by lubricating oil pipeline 2 Logical, grease-box 1 provides lubricating oil by lubricating oil pipeline 2 by the control of mechanical pump 7 into steam turbine 6, in grease-box 1 On be also associated with direct current auxiliary oil pump 3 and exchange auxiliary oil pump 8, the direct current auxiliary oil pump 3, exchange auxiliary oil pump 8 and machinery The parallel communication of pump 7 is to lubricating oil pipeline 2, and under normal circumstances, mechanical pump 7, direct current auxiliary oil pump 3, exchange auxiliary oil pump 8 can be with Work independently, can realize and the lubricating oil in grease-box is transported in steam turbine.In direct current auxiliary oil pump 3 and the profit Direct current hydraulic pump control system is provided between lube pipe 2, pressure sensor 10 is provided with the lubricating oil pipeline 2, it is described Direct current hydraulic pump control system includes pressure switch 4 and Distributed Control System 5, the pressure switch 4 and the Distributed Control System 5 It is in parallel to be communicated to the direct current auxiliary oil pump 3.Under normal circumstances, the output of lubricating oil is controlled by mechanical pump 7, when mechanical pump 7 When breaking down, exchange auxiliary oil pump 8 controls the output of lubricating oil, when exchange auxiliary oil pump 8 breaks down, is passed by pressure The control of sensor 10 starts direct current auxiliary oil pump 3, and direct current auxiliary oil pump is controlled jointly by pressure switch 4 and Distributed Control System 5 System, when exchange auxiliary oil pump 8 is stopped, Distributed Control System 5 sends instruction startup direct current auxiliary oil pump 3 and is operated, But when electric power system breaks down, Distributed Control System 5 can not work, now pressure switch 4 will start direct current auxiliary Oil pump 3 is that steam turbine 6 provides lubricating oil.First check-valve 12 is provided between the mechanical pump 7 and the lubricating oil pipeline 2, Be provided with second check-valve 11 between the direct current auxiliary oil pump 3 and the lubricating oil pipeline 2, the exchange auxiliary oil pump 8 with The 3rd check-valves 13 is provided between the lubricating oil pipeline 2.Lubricating oil pipeline 2 is metal tube.
It the above is only preferred embodiment of the present utility model, it is noted that above-mentioned preferred embodiment should not regard For that should be defined to limitation of the present utility model, the scope of protection of the utility model by claim limited range.For For those skilled in the art, do not departing from spirit and scope of the present utility model, can also make some Improvements and modifications, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (6)

1. a kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium, the lubrication EFM Electronic Fuel Management includes lubricating oil Case, mechanical pump, steam turbine, connected between the grease-box and the mechanical pump by lubricating oil pipeline, the mechanical pump with The steam turbine is connected by lubricating oil pipeline, it is characterised in that the grease-box is also communicated with direct current auxiliary oil pump, described Direct current auxiliary oil pump and the mechanical parallel connection of pumps are to be communicated to the Lubricant oil management, the direct current auxiliary oil pump and the lubrication Direct current hydraulic pump control system is provided between oil pipe line, pressure sensor, the lubricating oil are provided with the lubricating oil pipeline Case is also communicated with exchange auxiliary oil pump, and the lubrication is communicated to after the exchange auxiliary oil pump is in parallel with the direct current auxiliary oil pump Oil pipe line.
2. lubrication EFM Electronic Fuel Management according to claim 1, it is characterised in that the direct current hydraulic pump control system includes pressure Power switchs and Distributed Control System, and the pressure switch is in parallel with the Distributed Control System oily to be communicated to the direct current auxiliary Pump.
3. lubrication EFM Electronic Fuel Management according to claim 1, it is characterised in that the mechanical pump and the lubricating oil pipeline Between be provided with first check-valve.
4. lubrication EFM Electronic Fuel Management according to claim 1, it is characterised in that the direct current auxiliary oil pump and the lubrication Second check-valve is provided between oil pipe line.
5. lubrication EFM Electronic Fuel Management according to claim 1, it is characterised in that the exchange auxiliary oil pump and the lubrication The 3rd check-valves is provided between oil pipe line.
6. lubrication EFM Electronic Fuel Management according to claim 1, it is characterised in that the lubricating oil pipeline is metal tube.
CN201720510914.1U 2017-05-09 2017-05-09 A kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium Active CN207145021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720510914.1U CN207145021U (en) 2017-05-09 2017-05-09 A kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720510914.1U CN207145021U (en) 2017-05-09 2017-05-09 A kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium

Publications (1)

Publication Number Publication Date
CN207145021U true CN207145021U (en) 2018-03-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720510914.1U Active CN207145021U (en) 2017-05-09 2017-05-09 A kind of steam-turbine lubrication EFM Electronic Fuel Management for the production of vanadium ferrotianium

Country Status (1)

Country Link
CN (1) CN207145021U (en)

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