CN201016307Y - Combustion engine set lubricating oil and jacking oil supplying system - Google Patents
Combustion engine set lubricating oil and jacking oil supplying system Download PDFInfo
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- CN201016307Y CN201016307Y CNU2006200939843U CN200620093984U CN201016307Y CN 201016307 Y CN201016307 Y CN 201016307Y CN U2006200939843 U CNU2006200939843 U CN U2006200939843U CN 200620093984 U CN200620093984 U CN 200620093984U CN 201016307 Y CN201016307 Y CN 201016307Y
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Abstract
The utility model provides a combustion engine set lubricating oil and jacking oil supply system, and is to act on a combustion engine (1) and a generator (25) connected with the combustion engine (1). The utility model comprises a flow control module and a temperature control module. The flow control module comprises a pressure control valve, which is capable of presetting determining, and defining pressure of lubricating oil in the combustion engine (1); the temperature control module is capable of controlling or processing the temperature of lubricating oil in a tank (2), the outlet of the combustion engine or the inlet of the combustion engine. The utility model ensures the quality of the lubricating oil supplied by the lubricating and jacking oil system of the combustion engine set, and fills up the blank in the prior art; the technical effect of the utility model is significantly better than the technical effect of the prior art.
Description
Technical field
The utility model relates to machine science, and a kind of combustion machine set lubricant oil and jacking oil supply system are provided especially.
Background technique
Advantages such as in the prior art, combustion machine (1) has thermal efficiency height, it is little to take up an area of, water and electric saving, little investment have obtained develop rapidly to later stage nineteen seventies; Enter 21st century, combustion machine (1) has become the main force of power generating equipment, and combustion machine (1) industrial level has also become the sign of an industrial advanced degree of country.Along with the continuous development of China's economic construction, to the also constantly increase of demand of electric power, market is also very urgent to the demand of combustion machine (1).And developing the paces of combustion machine (1) voluntarily, China just just stepped, China with heavy combustion engine development and engineering manufacturing as an important developing direction, lubricant oil and jacking oil system about combustion machine (1) also begin to relate to, and people expect to obtain a kind ofly can fill up prior art blank and the good lubricant oil and the jacking oil system that are applied to heavy combustion engine (1) of technique effect.
Summary of the invention
The purpose of this utility model provides a kind of combustion machine set lubricant oil and jacking oil supply system, it acts on combustion machine (1) and is attached thereto the generator (25) that connects, and it includes fuel tank (2), lubricating pump, oiling and discharge equipment (3), cooler (6), thermostat valve (8), fume extractor (9), jacking(oil) pump (10), filter, pressure regulator valve, heater (14), thermal switch (15), relief valve (16), throttle valve (18), one-way valve (19), pressure gauge (20), pressure switch (21), pressure transducer (22), temperature transducer (23), tank gauge (24), electric ball valve (27) and advancing, constituent elements such as return line; Wherein:
The flow adjusting module comes corresponding control flow rate of lubricating oil by the mode adjusted in advance and determine to enter the lubricating oil pressure of combustion machine (1); The flow adjusting module includes the pressure regulator valve that can adjust in advance and determine to enter the lubricating oil pressure of combustion machine (1); The flow control process of described flow adjusting module is to adjust the flow through lubricating oil pressure at restricting orifice place of combustion machine inside in advance by pressure regulator valve to come corresponding control flow rate of lubricating oil; The flow of lubrication of restricting orifice of flowing through depends on two factors: the long-pending and hydrodynamic pressure of the cross section of fluid channel of restricting orifice, cross section of fluid channel at restricting orifice (preference is a flow nipple) amasss under the constant substantially situation, and we can carry out flow adjustment and control by changing hydrodynamic pressure.The above-mentioned pressure regulator valve of mentioning can be selected self-powering type pressure regulator valve (12) for use.
The controlling object of temperature control modules be following both one of or its combination: the lubricant oil in the fuel tank (2), the lubricating oil temperature of combustion machine (1) ingress; Temperature control modules includes: thermal switch (25), heater (26), thermostat valve (8), cooler (6), the heater (26) that is arranged in the fuel tank (2) is connected on other parts of control system by thermal switch (25), thermostat valve (8) and cooler (6) are arranged in to be set out by fuel tank (2) and enter on the lubricating oil inlet oil circuit of combustion machine (1), be specially: (the lubricant oil elder generation of 2)s is through thermostat valve (8), thereafter by the cooler (6) of parallel connection and the oil circuit of connection thermostat valve (8) and combustion machine (1) from fuel tank.
Temperature control modules is surveyed the temperature that components and parts detect lubricant oil by temperature, to determine one of following two kinds of processing modes: one, when the lubricating oil temperature in the fuel tank (2) is too low, connect heater (26) work so that improve the temperature of lubricant oil by thermal switch (25); Its two, when the lubricating oil temperature of combustion machine (1) ingress meets or exceeds the critical setting value of thermostat valve cooling work, by thermostat valve (8) control section or all lubricant oil flow into cooling in the coolers (6) so that guarantee the temperature of lubricant oil; When the lubricating oil temperature of combustion machine (1) ingress does not surpass setting value (upper limit that this setting value requires smaller or equal to combustion machine (1) inlet temperature usually), directly enter combustion machine (1) without cooler (6) by the whole lubricant oil of thermostat valve (8) control.
Described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: described cooler (6) has 1 at least, a part wherein is an acknowledgment copy, and described cooler as acknowledgment copy (6) is separate separately relation in parallel with just in action cooler (6).Cooler (6) in described combustion machine set lubricant oil and the jacking oil supply system preferably is specifically as follows 2 parallel with one another and panel coolers that can online switching in unit running process, wherein use, and another is standby.
Preferably include 3 oil pumps that can independently finish lubricant oil fuel feeding task separately in described combustion machine set lubricant oil and the jacking oil supply system: main oil pump (5), auxiliary oil pump (7), emergencypump (4); The three is to be that the mode of parallel connection is connected in the oil circuit each other, and main oil pump wherein (5) and auxiliary oil pump (7) can be replaced use mutually, all can be independently to system's fuel feeding; It is 54m that main oil pump (5) and auxiliary oil pump (7) can be selected flow for use
3/ h, lift are that the immersion of 92m exchanges centrifugal pump.Emergencypump (4) flow is 24m
3/ h, lift are the immersion direct current centrifugal pump of 20m.Concrete fuel feeding situation is one of following three kinds of situations:
When one, unit normally move, by main oil pump (5) fuel feeding; Its two, when combustion machine (1) ingress lubricating oil pressure is lower than threshold for the moment, control system starts auxiliary oil pump (7) and devotes oneself to work so that system is normally moved; They are three years old; under all normal operation of main oil pump (5) and auxiliary oil pump (7) or one of them or situation about all breaking down; when if combustion machine (1) ingress lubricating oil pressure is lower than threshold two, control system starts emergencypump (4) with the normal operation of keeping unit within a short period of time or guarantee unit emergency shutdown smoothly.
Be used for judging that components and parts that whether auxiliary oil pump (7) or emergencypump (4) should start are the pressure transducer (22) of control system or are independent of pressure switch (21) or the combination of the two outside the control system.Wherein: the control system and the pressure switch (21) at pressure transducer (22) place are relatively independent.When the control system at pressure transducer (22) place broke down, pressure switch (21) still can independently be worked effectively.
Described combustion machine (1) ingress lubricating oil pressure should start the oil pressure threshold one of auxiliary oil pump (7) when low compares with the oil pressure threshold two that starts emergencypump (4), and the former is bigger;
The lubricating oil pressure at place, the described generator that is connected with the combustion machine (25) lubricating oil inlet should start the oil pressure threshold three of auxiliary oil pump (7) when low compares with the oil pressure threshold four that starts emergencypump (4), and the former is bigger.
In the preference, described main oil pump (5) and auxiliary oil pump (7) are 54m for flow all
3/ h, lift are that the immersion of 92m exchanges centrifugal pump; Emergencypump (4) is 24m for flow
3/ h, lift are the immersion direct current centrifugal pump of 20m.
Also be useful on the pressure switch of using when the control system fault (21) in described combustion machine set lubricant oil and the jacking oil supply system, it can independently act on auxiliary oil pump (7) or emergencypump (4):
When lubricating oil pressure is reduced to another oil pressure threshold five that is lower than oil pressure threshold one slightly, pressure switch (21) control starts auxiliary oil pump (7), when lubricating oil pressure was reduced to another oil pressure threshold six that is lower than oil pressure threshold two slightly, pressure switch (21) control started emergencypump (4).So-called " low slightly " refers to and reaches 70%～99% of initial value.
Combustion machine set lubricant oil described in the utility model and jacking oil supply system, limit by the gravity oil returning method, the air of taking back fuel tank (2) makes and foams in the fuel tank (2), also be useful on the fume extractor (9) that addresses the above problem in described combustion machine set lubricant oil and the jacking oil supply system, also have in described combustion machine set lubricant oil and the jacking oil supply system with physics mode to be connected fume extractor (9) on the fuel tank (2), described fume extractor (9) is connected in the control system of outfit of equipment simultaneously.
Described fume extractor (9) working procedure is specially: adopt the unnecessary air in the mode off-loading (2) of bleeding so that the device that prevents to foam in the fuel tank (2); Also be provided with one of lower device or its combination on the fume extractor (9) in described combustion machine set lubricant oil and the jacking oil supply system: be connected the dish valve that is used to set the interior negative pressure value size of fuel tank (2) on the fuel tank (2), the deaerator that is used to reclaim lubricant oil;
Produce the degree of certain negative pressure simultaneously in the fuel tank (2) that described fume extractor (9) adopts the unnecessary air in the mode off-loading (2) bleed can require its effect of bleeding to reach to make sealing, be beneficial to oil return and bearing seal prevents leakage of oil; Described negative pressure maximum value is preferably 7000Pa.
Also have oiling and discharge equipment (3) in described combustion machine set lubricant oil and the jacking oil supply system, it uses an oil pump (306) that is used as oily circulation, oiling and oil extraction operation, also has ball valve one (301), recycle oil filter (302), ball valve two (303), ball valve three (304) in addition, refuels and filter (305), ball valve four (307);
The above each constituent element all directly or indirectly is connected on the oil circuit, and arrangement order is followed successively by: recycle oil filter (302), ball valve one (301), ball valve four (307), oil pump (306), oiling filter (305) and ball valve three (304), ball valve two (303); Wherein: the filter (305) of refueling is connected on the oil circuit by ball valve three (304);
Because of heater (14) in the fuel tank (2) directly is inserted in the fluid of fuel tank (2), make the local oily temperature of the fluid that is attached to around the heating pipe very high and scaling loss fluid and carbon deposit during heating easily, if lubrication oil circulation just can be reduced the scaling loss of fluid but also help quickening temperature rise.Realize that oily circuit operating method is: ball valve one (301) and ball valve two (303) are opened; Simultaneously ball valve three (304), ball valve four (307) are closed, open oil pump (306), finish the circulation of lubricant oil;
When carrying out the oiling operation, ball valve one (301), ball valve three (304) are opened; Ball valve two (303), ball valve four (307) are closed, and open oil pump (306), finish the injection of lubricant oil;
When carrying out the oil extraction operation, ball valve two (303), ball valve four (307) are opened; Ball valve one (301), ball valve three (304) are closed, and open oil pump (306), finish the discharge of lubricant oil.
Also have filter in described combustion machine set lubricant oil and the jacking oil supply system, the main filter in the lubricating oil system is to select a duplex filter (11) of using at one time, and it is connected on the oil circuit between thermostat valve (8) and the combustion machine; Be provided with the differential pressure pickup of measuring flow resistance pressure in duplex filter (11), differential pressure pickup is also connecting the control section of main system.It allows duplex filter (11) to carry out the switching (that is using acknowledgment copy instead) of filter element under non-stop-machine situation; That of working in duplex filter (11) is because flow resistance is excessive, when pressure reaches the CLV ceiling limit value of setting, differential pressure pickup in the duplex filter (11) sends alarm signal according to measured value by the control system that is attached thereto, in time use standby filter (another filter in duplex filter (11)) with manual or automated manner this moment, and can allow under the non-stop-machine situation of system, dirty filter core taken out clean, in order to avoid cause untimely cleaning or forget the mistake of cleaning;
Also have the monitoring link of returning-oil temperature in combustion machine set lubricant oil described in the utility model and the jacking oil supply system, it is arranged on combustion machine (1) the lubricating oil outlet oil circuit; In the monitoring link of described returning-oil temperature temperature measuring element is arranged, described temperature measuring element also is connected on the control section of main system, on the temperature measuring element or in the control system warning device can also be arranged.
When the oil temperature in combustion machine (1) outlet port surpassed setting value, control system was reported to the police or order combustion machine (1) emergency shutdown.
The monitoring link of described returning-oil temperature is in unit running process, because the temperature rise of bearing, to cause the temperature rise of lubricant oil, therefore can judge whether bearing is working properly by the returning-oil temperature (that is the lubricating oil temperature in combustion machine (1) outlet port) of monitoring lubricant oil.Be specially for this reason on each fulcrum return line of bearing and be provided with temperature transducer (23), unit is in operation, the look over one's shoulder returning-oil temperature of lubricant oil, when returning-oil temperature was higher than the setting temperature A1 of returning-oil temperature monitoring link, control system was sent once and is reported to the police; When returning-oil temperature was higher than setting temperature A2, control system was sent secondary and is reported to the police; When returning-oil temperature was higher than setting temperature A3, control system was sent instruction, the unit emergency shutdown, and above-mentioned setting temperature A1, A2, A3 three raise successively.
Described combustion machine set lubricant oil and jacking oil supply system are divided into three parts, and the concrete technical parameter of each several part is as follows:
One, combustion machine (1) lubricating oil system: working pressure 0.25～0.4MPa, flow 100～500l/min, working medium can be steam turbine oil or other suitable oil product, 25～55 ℃ of inlet temperatures, outlet temperature≤65 ℃, filter precision 20 μ m;
Its two, generator (25) lubricating oil system: working pressure 0.05～0.15MPa, working medium are steam turbine oil or other suitable oil product, 25～55 ℃ of inlet temperatures, outlet temperature≤65 ℃, filter precision 20 μ m;
Its three, generator (25) jacking oil system: working pressure 8～15MPa, working medium are steam turbine oil or other suitable oil product, 25～55 ℃ of inlet temperatures, filter precision 20 μ m.
Also have cooler (6) and thermostat valve (8) in described combustion machine set lubricant oil and the jacking oil supply system,
Because heavy combustion engine long-time continuous operation, for preventing because of cooler (6) fault, the too high stopping accident that causes of lubricant oil inlet oil temperature, in system, specifically can be provided with 1～2 platen formula cooler, when 2 platen formula coolers are arranged in the system, wherein use, another is standby, can onlinely switch in unit running process;
Be provided with a thermostat valve (8) in the outlet port of cooler (6), thermostat valve (8) is a three-way valve, and the aperture of valve is controlled according to temperature transducer (23) signal; Concrete application process is: when lubricating oil temperature met the demands, lubricant oil directly entered combustion machine system without cooler (6) behind thermostat valve (8); When lubricating oil temperature is higher than setting value, lubricant oil can part or all through supercooler (6), locate blending at thermostat valve (8), guaranteeing that thermostat valve (8) outlet port lubricating oil temperature is adjusted into satisfies range of set value.Above-described " when lubricating oil temperature is higher than setting value " refers to: lubricating oil temperature is higher than the temperature upper limit that sets on thermostat valve (8), and this setting value is usually smaller or equal to the setting value of combustion machine (1) inlet temperature.
Combustion machine set lubricant oil described in the utility model and jacking oil supply system, for guaranteeing that auxiliary oil pump when pressure reduces (7), emergencypump (4) can in time devote oneself to work, unit plays the firing test that must carry out auxiliary oil pump (7), emergencypump (4) before the machine at every turn.The detailed process of correlation test is as follows:
At first open main oil pump (5), when combustion machine pressure reaches certain setting value that is higher than oil pressure threshold one, slowly open the electric ball valve (27) in main oil pump (5) outlet port, this moment, the pressure of system descended gradually, when dropping to the oil pressure threshold for the moment, observe auxiliary oil pump (7) and whether devote oneself to work; Whether continue to open the aperture of electric ball valve (27), pressure continues to descend, when dropping to oil pressure threshold two, observe emergencypump (4) and devote oneself to work.After this off-test, disconnect the control of control system, repeat above step, observe pressure switch (21) and whether can control auxiliary oil pump (7) and emergencypump (4).All can devote oneself to work on request as auxiliary oil pump (7) and emergencypump (4), unit has allowed machine; Otherwise must search reason and get rid of fault, all can devote oneself to work on request until auxiliary oil pump (7) and emergencypump (4), unit could play machine.
Emphasis described in the utility model is applied in the lubricant oil and jacking oil system in the generator (25) of heavy combustion engine and phase coupling with it, the bearing of heavy combustion engine and generator (25) is sliding bearing, in the unit operation process, for preventing that bearing from rising sharply because of dry friction makes bearing temperature, must be lubricated bearing.The premiere feature of lubricating oil system guarantees fully heavy combustion engine, generator (25) bearing to be lubricated in unit whole service scope exactly, supplies with to meet the lubricant oil that each bearing flow, turbidity test, pressure, temperature, viscosity etc. require; Another function of lubricating oil system is that bearing is cooled off, in the unit operation process, the rotating speed of combustion machine (1) even can be up to about 3000r/min, because friction raises bearing temperature, for preventing that serious accidents such as " seizes " from appearring in bearing owing to temperature is too high, must cool off bearing, and effective method is taken away the bearing heat by circuit lubricant oil exactly.The heavy combustion engine jacking oil system is when unit plays machine or shuts down, and high pressure oil is provided for generator (25), is used for very little distance of generator (25) rotor jack-up.Reduce dry friction on the one hand, prevented that bearing from damaging because of heating, protected the Babbitt coating on the bearing; Friction when also having reduced starting simultaneously, thus starting torque reduced.
The working principle of combustion machine set lubricant oil described in the utility model and jacking oil supply system (referring to accompanying drawing 1):
The working principle of lubricating oil system: lubricating pump will have the profit lubricant oil of certain pressure and deliver to cooler (6) through one-way valve (19), the outlet port of cooler (6) is provided with a thermostat valve (8), can control the lubricating oil temperature of the system of entering by thermostat valve (8), thereby make the lubricating oil temperature of the system of entering reach the technical requirements specified value.Lubricant oil enters into duplex filter (11) after cooler (6) comes out, it is 10 μ m that lubricant oil filters the filter precision, filters out the impurity in the oil, makes the lubricant oil of the system of entering reach the filter precision that technical requirements is stipulated.Lubricant oil enters into self-powering type pressure regulator valve (12) after duplex filter (11), the lubricating oil pressure that self-powering type pressure regulator valve (12) is got main oil pump (5) or auxiliary oil pump (7) drops to combustion machine (1) inlet pressure of technical requirements regulation.This moment, lubricant oil satisfied combustion machine (1) import lubricating oil pressure, the temperature of technical requirements regulation, the requirement of precision, the lubricant oil one tunnel that will satisfy combustion machine (1) requirement is sent to combustion machine (1), another road lubricant oil is again behind another one self-powering type pressure regulator valve (12), the lubricant oil that will satisfy generator (25) requirement is sent to generator (25), finishes the supply of lubricant oil.
The working principle of jacking oil system: jacking(oil) pump (10) is the outlet port oil suction from lubricating pump, and jacking(oil) pump during proper functioning (10) is by main oil pump (5) or auxiliary oil pump (7) fuel feeding; When compressor emergency shutdown or take off when covering overhaul, in order to coil rotor, jacking oil system still needs fuel feeding, sprays from the bearing of opening for preventing lubricant oil, at this moment, will close towards combustion machine (1) and generator (25) oil circuit, and main oil pump (5) is given the jacking oil system fuel feeding.Jacking(oil) pump (10) rises to working pressure with lubricating oil pressure, is sent to generator (25) bearing behind the relief valve of flowing through then (16), smart filter (17), throttle valve (18), the one-way valve (19), finishes the supply of jacking oil.
Supplementary notes about the part component:
Fuel tank (2): fuel tank (2) is that gas turbine, generator (25) lubricate and generator (25) apical axis provides lubricant oil.In addition, also as the storage of oil and the mountion plate of air in the separating oil and hydraulic element.The jacking(oil) pump elements such as (10) of the oil pump in the lubricating oil system, filter, fume extractor (9) and jacking oil system is installed on the cover plate of fuel tank (2), makes the lubricating oil system structure compact more.Determine the numerical value such as oil reserve, flow rate of lubricating oil of volume, the fuel tank (2) of fuel tank (2) as calculated, time that therefore can the delay in fuel tank (2) of corresponding control oil, this just can guarantee that the air in the oil discharges, and mechanical admixture is precipitated.
We are provided with (tank gauge (24), heater (14), thermal switch (15) on fuel tank (2).Fluid level controller is used for monitoring the oil reserve of fuel tank (2), when liquid level is below or above setting value, sends alarm signal, and the staff opens oiling and discharge equipment (3), the oil reserve in the control fuel tank (2).Thermal switch (15) is used for sending signal to control system when temperature has been lower than the machine temperature, makes the unit fail to start.Thermal switch (15) also is used for and heater (14) joint control, when temperature is lower than thermal switch (15) setting value (unit plays the machine temperature), lubricant oil heating in heater (14) the beginning oil dropping apparatus (2), when temperature reached thermal switch (15) setting value, heater (14) stopped heating.
Cooler (6) is the water-cooled panel cooler, might occur leaking when considering cooler (6) fault, immerses in the fuel tank (2) for preventing to leak, and in the preferred version, it is other that we are arranged on fuel tank (2) with cooler (6).
Fume extractor (9): the oil return mode of heavy combustion engine (1) lubricating oil system is the gravity oil return, and oil return for the benefit of and bearing seal prevent leakage of oil, and fume extractor (9) is installed on fuel tank (2).Fume extractor (9) is extracted the mist of oil in the fuel tank (2) out, and from mist of oil, separate by the oil that the deaerator in the fume extractor (9) will be contained in the mist of oil, send fuel tank (2) back to, make fuel tank (2) produce a little negative pressure simultaneously, be beneficial to oil return and bearing seal prevents leakage of oil.On fume extractor (9), be provided with a butterfly valve, can control the negative pressure value in the fuel tank (2) by setting the openings of sizes of butterfly valve.Be provided with pressure transducer (22) on fuel tank (2), control system can be monitored the negative pressure value of fuel tank (2) easily.
Pressure gauge in the system (20) is installed on a special pressure gauge (20) scaffold, so that the operation maintenance personnel monitor each point pressure of lubricant oil.
Because system is the gravity oil return, therefore require the return line of system all downward-sloping, range of tilt angles is 1 °～90 °.
In terms of existing technologies, advantage of the present invention is: the form with relatively independent system has designed combustion machine set lubricant oil and jacking oil supply system, it can realize control and relevant treatment to oily temperature of flow of lubrication, each key link etc., and has set up fume extractor (9), oily circulation and oiling and discharge equipment (3) and the system that proposed and played machine pre-running test method.
The utility model has been filled up field blank of the prior art, and its technique effect obviously is better than original technology.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is certain combustion machine set lubricant oil and jacking oil supply system principle of compositionality figure.
Embodiment
Embodiment 1
A kind of combustion machine set lubricant oil and jacking oil supply system (referring to accompanying drawing 1), its related component are as follows: combustion machine (1), fuel tank (2), oiling and discharge equipment (3), lubricating pump (is specially: main oil pump (5), auxiliary oil pump (7), emergencypump (4)), cooler (6), thermostat valve (8), fume extractor (9), jacking(oil) pump (10), filter (being specially duplex filter (11) and smart filter (17) etc.), self-powering type pressure regulator valve (12), heater (14), thermal switch (15), relief valve (16), throttle valve (18), one-way valve (19), pressure gauge (20), pressure switch (21), pressure transducer (22), temperature transducer (23), tank gauge (24), generator (25), electric ball valve (27) and advancing, return line etc.; Oiling wherein and discharge equipment (3) further are subdivided into: ball valve one (301), recycle oil filter (302), ball valve two (303), ball valve three (304), oiling filter (305), oil pump (306), ball valve four (307); Lower left quarter represents that the arrow of the frame of broken lines upper left corner directed outwards of fume extractor (9) represents that implication is " entering atmosphere " in the accompanying drawing 1; Above-mentioned various component have more than 1 in the accompanying drawing 1, and we only mark one of them in the drawings.
In the present embodiment: the flow adjusting module comes corresponding control flow rate of lubricating oil by the mode adjusted in advance and determine to enter the lubricating oil pressure of combustion machine (1); The flow adjusting module includes the pressure regulator valve that can adjust in advance and determine to enter the lubricating oil pressure of combustion machine (1); The flow control process of described flow adjusting module is to adjust the flow through lubricating oil pressure at restricting orifice place of combustion machine inside in advance by pressure regulator valve to come corresponding control flow rate of lubricating oil; The flow of lubrication of restricting orifice of flowing through depends on two factors: the long-pending and hydrodynamic pressure of the cross section of fluid channel of restricting orifice, cross section of fluid channel at restricting orifice (being specially flow nipple) amasss under the constant substantially situation, and we can carry out flow adjustment and control by changing hydrodynamic pressure.The above-mentioned pressure regulator valve of mentioning can be selected self-powering type pressure regulator valve (12) for use.
The controlling object of temperature control modules be following both one of or its combination: the lubricant oil in the fuel tank (2), the lubricating oil temperature of combustion machine (1) ingress; Temperature control modules includes: thermal switch (25), heater (26), thermostat valve (8), cooler (6), the heater (26) that is arranged in the fuel tank (2) is connected on other parts of control system by thermal switch (25), thermostat valve (8) and cooler (6) are arranged in to be set out by fuel tank (2) and enter on the lubricating oil inlet oil circuit of combustion machine (1), be specially: (the lubricant oil elder generation of 2)s is through thermostat valve (8), thereafter by the cooler (6) of parallel connection and the oil circuit of connection thermostat valve (8) and combustion machine (1) from fuel tank.
Temperature control modules is surveyed the temperature that components and parts detect lubricant oil by temperature, to determine one of following two kinds of processing modes: one, when the lubricating oil temperature in the fuel tank (2) is too low, connect heater (26) work so that improve the temperature of lubricant oil by thermal switch (25); Its two, when the lubricating oil temperature of combustion machine (1) ingress meets or exceeds the critical setting value of thermostat valve cooling work, by thermostat valve (8) control section or all lubricant oil flow into cooling in the coolers (6) so that guarantee the temperature of lubricant oil; When the lubricating oil temperature of combustion machine (1) ingress does not surpass setting value (upper limit that this setting value requires smaller or equal to combustion machine (1) inlet temperature usually), directly enter combustion machine (1) without cooler (6) by the whole lubricant oil of thermostat valve (8) control.
Described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: described cooler (6) has 1 at least, a part wherein is an acknowledgment copy, and described cooler as acknowledgment copy (6) is separate separately relation in parallel with just in action cooler (6).Cooler (6) in described combustion machine set lubricant oil and the jacking oil supply system preferably is specifically as follows 2 parallel with one another and panel coolers that can online switching in unit running process, wherein use, and another is standby.
Preferably include 3 oil pumps that can independently finish lubricant oil fuel feeding task separately in described combustion machine set lubricant oil and the jacking oil supply system: main oil pump (5), auxiliary oil pump (7), emergencypump (4); The three is to be that the mode of parallel connection is connected in the oil circuit each other, and main oil pump wherein (5) and auxiliary oil pump (7) can be replaced use mutually, all can be independently to system's fuel feeding; It is 54m that main oil pump (5) and auxiliary oil pump (7) can be selected flow for use
3/ h, lift are that the immersion of 92m exchanges centrifugal pump.Emergencypump (4) flow is 24m
3/ h, lift are the immersion direct current centrifugal pump of 20m.Concrete fuel feeding situation is one of following three kinds of situations:
When one, unit normally move, by main oil pump (5) fuel feeding; Its two, when combustion machine (1) ingress lubricating oil pressure was lower than threshold one (being specially 0.2MPa at this), control system started auxiliary oil pump (7) and devotes oneself to work so that system is normally moved; They are three years old; under all normal operation of main oil pump (5) and auxiliary oil pump (7) or one of them or situation about all breaking down; when if combustion machine (1) ingress lubricating oil pressure is lower than threshold two (being specially 0.1MPa at this), control system starts emergencypump (4) can realize emergency shutdown smoothly to guarantee unit.
Be used for judging that components and parts that whether auxiliary oil pump (7) or emergencypump (4) should start are the pressure transducer (22) of control system or are independent of pressure switch (21) or the combination of the two outside the control system.Wherein: the control system and the pressure switch (21) at pressure transducer (22) place are relatively independent.When the control system at pressure transducer (22) place broke down, pressure switch (21) still can independently be worked effectively.
The lubricating oil pressure at place, the described generator that is connected with the combustion machine (25) lubricating oil inlet should start the oil pressure threshold three (being specially 0.08MPa at this) of auxiliary oil pump (7) when low compares with the oil pressure threshold four (being specially 0.06MPa at this) that starts emergencypump (4), and the former is bigger.
In the present embodiment, described main oil pump (5) and auxiliary oil pump (7) are 54m for flow all
3/ h, lift are that the immersion of 92m exchanges centrifugal pump; Emergencypump (4) is 24m for flow
3/ h, lift are the immersion direct current centrifugal pump of 20m.
Also be useful on the pressure switch of using when the control system fault (21) in described combustion machine set lubricant oil and the jacking oil supply system, it can independently act on auxiliary oil pump (7) or emergencypump (4):
When lubricating oil pressure is reduced to oil pressure threshold five (being specially 0.18MPa at this), pressure switch (21) control starts auxiliary oil pump (7), when lubricating oil pressure was reduced to oil pressure threshold six (being specially 0.08MPa at this), pressure switch (21) control started emergencypump (4).
Present embodiment described combustion machine set lubricant oil and jacking oil supply system, limit by the gravity oil returning method, the air of taking back fuel tank (2) makes and foams in the fuel tank (2), also be useful on the fume extractor (9) that addresses the above problem in described combustion machine set lubricant oil and the jacking oil supply system, also have in described combustion machine set lubricant oil and the jacking oil supply system with physics mode to be connected fume extractor (9) on the fuel tank (2), described fume extractor (9) is connected in the control system of outfit of equipment simultaneously.
Described fume extractor (9) working procedure is specially: adopt the unnecessary air in the mode off-loading (2) of bleeding so that the device that prevents to foam in the fuel tank (2); Also be provided with one of lower device or its combination on the fume extractor (9) in described combustion machine set lubricant oil and the jacking oil supply system: be connected the dish valve that is used to set the interior negative pressure value size of fuel tank (2) on the fuel tank (2), the deaerator that is used to reclaim lubricant oil;
Produce the degree of certain negative pressure simultaneously in the fuel tank (2) that described fume extractor (9) adopts the unnecessary air in the mode off-loading (2) bleed can require its effect of bleeding to reach to make sealing, be beneficial to oil return and bearing seal prevents leakage of oil; The maximum set value of described negative pressure is 7000Pa.
Also have oiling and discharge equipment (3) in described combustion machine set lubricant oil and the jacking oil supply system, it uses an oil pump (306) that is used as oily circulation, oiling and oil extraction operation, also has ball valve one (301), recycle oil filter (302), ball valve two (303), ball valve three (304) in addition, refuels and filter (305), ball valve four (307);
The above each constituent element all directly or indirectly is connected on the oil circuit, and arrangement order is followed successively by: recycle oil filter (302), ball valve one (301), ball valve four (307), oil pump (306), oiling filter (305) and ball valve three (304), ball valve two (303); Wherein: the filter (305) of refueling is connected on the oil circuit by ball valve three (304);
Because of heater (14) in the fuel tank (2) directly is inserted in the fluid of fuel tank (2), make the local oily temperature of the fluid that is attached to around the heating pipe very high and scaling loss fluid and carbon deposit during heating easily, if lubrication oil circulation just can be reduced the scaling loss of fluid but also help quickening temperature rise.Realize that oily circuit operating method is: ball valve one (301) and ball valve two (303) are opened; Simultaneously ball valve three (304), ball valve four (307) are closed, open oil pump (306), finish the circulation of lubricant oil;
When carrying out the oiling operation, ball valve one (301), ball valve three (304) are opened; Ball valve two (303), ball valve four (307) are closed, and open oil pump (306), finish the injection of lubricant oil;
When carrying out the oil extraction operation, ball valve two (303), ball valve four (307) are opened; Ball valve one (301), ball valve three (304) are closed, and open oil pump (306), finish the discharge of lubricant oil.
Also have filter in described combustion machine set lubricant oil and the jacking oil supply system, the main filter in the lubricating oil system is to select a duplex filter (11) of using at one time, and it is connected on the oil circuit between thermostat valve (8) and the combustion machine; Be provided with the differential pressure pickup of measuring flow resistance pressure in duplex filter (11), differential pressure pickup is also connecting the control section of main system.It allows duplex filter (11) to carry out the switching (that is using acknowledgment copy instead) of filter element under non-stop-machine situation; That of working in duplex filter (11) is because flow resistance is excessive, when pressure reaches the CLV ceiling limit value of setting, differential pressure pickup in the duplex filter (11) sends alarm signal according to measured value by the control system that is attached thereto, in time use standby filter (another filter in duplex filter (11)) with manual or automated manner this moment, and can allow under the non-stop-machine situation of system, dirty filter core taken out clean, in order to avoid cause untimely cleaning or forget the mistake of cleaning;
Also have the monitoring link of returning-oil temperature in present embodiment described combustion machine set lubricant oil and the jacking oil supply system, it is arranged on combustion machine (1) the lubricating oil outlet oil circuit; In the monitoring link of described returning-oil temperature temperature measuring element is arranged, described temperature measuring element also is connected on the control section of main system, on the temperature measuring element or in the control system warning device can also be arranged.
When the oil temperature in combustion machine (1) outlet port surpassed setting value, control system was reported to the police or order combustion machine (1) emergency shutdown.
The monitoring link of described returning-oil temperature is in unit running process, because the temperature rise of bearing, to cause the temperature rise of lubricant oil, therefore can judge whether bearing is working properly by the returning-oil temperature (that is the lubricating oil temperature in combustion machine (1) outlet port) of monitoring lubricant oil.Be specially for this reason on each fulcrum return line of bearing and be provided with temperature transducer (23), unit is in operation, the look over one's shoulder returning-oil temperature of lubricant oil, when returning-oil temperature was higher than the setting temperature A1 (being specially 70 ℃) of returning-oil temperature monitoring link, control system was sent once and is reported to the police; When returning-oil temperature was higher than setting temperature A2 (being specially 75 ℃), control system was sent secondary and is reported to the police; When returning-oil temperature was higher than setting temperature A3 (being specially 80 ℃), control system was sent instruction, the unit emergency shutdown.
Described combustion machine set lubricant oil and jacking oil supply system are divided into three parts, and the concrete technical parameter of each several part is as follows:
One, combustion machine (1) lubricating oil system: working pressure 0.25～0.4MPa, flow 100～500l/min, working medium are steam turbine oil or other suitable oil product, 25～55 ℃ of inlet temperatures, outlet temperature≤65 ℃, filter precision 20 μ m;
Its two, generator (25) lubricating oil system: working pressure 0.05～0.15MPa, working medium are steam turbine oil or other suitable oil product, 25～55 ℃ of inlet temperatures, outlet temperature≤65 ℃, filter precision 20 μ m;
Its three, generator (25) jacking oil system: working pressure 8～15MPa, working medium are steam turbine oil or other suitable oil product, 25～55 ℃ of inlet temperatures, filter precision 20 μ m.
Also have cooler (6) and thermostat valve (8) in described combustion machine set lubricant oil and the jacking oil supply system, because heavy combustion engine long-time continuous operation, for preventing because of cooler (6) fault, the too high stopping accident that causes of lubricant oil inlet oil temperature, in system, specifically can be provided with 1～2 platen formula cooler, when 2 platen formula coolers are arranged in the system, wherein use, another is standby, can onlinely switch in unit running process;
Be provided with a thermostat valve (8) in the outlet port of cooler (6), thermostat valve (8) is a three-way valve, and the aperture of valve is controlled according to temperature transducer (23) signal; Concrete application process is: when lubricating oil temperature met the demands, lubricant oil directly entered combustion machine system without cooler (6) behind thermostat valve (8); When lubricating oil temperature is higher than setting value, lubricant oil can part or all through supercooler (6), locate blending at thermostat valve (8), guaranteeing that thermostat valve (8) outlet port lubricating oil temperature is adjusted into satisfies range of set value.Above-described " when lubricating oil temperature is higher than setting value " refers to: lubricating oil temperature is higher than the temperature upper limit that sets on thermostat valve (8), and this setting value is usually smaller or equal to the setting value of combustion machine (1) inlet temperature.
Present embodiment described combustion machine set lubricant oil and jacking oil supply system can in time be devoted oneself to work for guaranteeing auxiliary oil pump when pressure reduces (7), emergencypump (4), and unit plays the firing test that must carry out auxiliary oil pump (7), emergencypump (4) before the machine at every turn.The detailed process of correlation test is as follows:
At first open main oil pump (5), when combustion machine pressure reaches certain setting value (being specially 0.3MPa at this) that is higher than oil pressure threshold one, slowly open the electric ball valve (27) in main oil pump (5) outlet port, this moment, the pressure of system descended gradually, when dropping to oil pressure threshold one (being specially 0.2Mpa), observe auxiliary oil pump (7) and whether devote oneself to work; Whether continue to open the aperture of electric ball valve (27), pressure continues to descend, when dropping to oil pressure threshold two (being specially 0.1MPa), observe emergencypump (4) and devote oneself to work.After this off-test, disconnect the control of control system, repeat above step, observe pressure switch (21) and whether can control auxiliary oil pump (7) and emergencypump (4).All can devote oneself to work on request as auxiliary oil pump (7) and emergencypump (4), unit has allowed machine; Otherwise must search reason and get rid of fault, all can devote oneself to work on request until auxiliary oil pump (7) and emergencypump (4), unit could play machine.
The described emphasis of present embodiment is applied in the lubricant oil and jacking oil system in the generator (25) of heavy combustion engine and phase coupling with it, the bearing of heavy combustion engine and generator (25) is sliding bearing, in the unit operation process, for preventing that bearing from rising sharply because of dry friction makes bearing temperature, must be lubricated bearing.The premiere feature of lubricating oil system guarantees fully heavy combustion engine, generator (25) bearing to be lubricated in unit whole service scope exactly, supplies with to meet the lubricant oil that each bearing flow, turbidity test, pressure, temperature, viscosity etc. require; Another function of lubricating oil system is that bearing is cooled off, in the unit operation process, the rotating speed of combustion machine (1) even can be up to about 3000r/min, because friction raises bearing temperature, for preventing that serious accidents such as " seizes " from appearring in bearing owing to temperature is too high, must cool off bearing, and effective method is taken away the bearing heat by circuit lubricant oil exactly.The heavy combustion engine jacking oil system is when unit plays machine or shuts down, and high pressure oil is provided for generator (25), is used for very little distance of generator (25) rotor jack-up.Reduce dry friction on the one hand, prevented that bearing from damaging because of heating, protected the Babbitt coating on the bearing; Friction when also having reduced starting simultaneously, thus starting torque reduced.
The working principle of the working principle of present embodiment described combustion machine set lubricant oil and jacking oil supply system (referring to accompanying drawing 1) lubricating oil system: lubricating pump will have the profit lubricant oil of certain pressure and deliver to cooler (6) through one-way valve (19), the outlet port of cooler (6) is provided with a thermostat valve (8), can control the lubricating oil temperature of the system of entering by thermostat valve (8), thereby make the lubricating oil temperature of the system of entering reach the technical requirements specified value.Lubricant oil enters into duplex filter (11) after cooler (6) comes out, it is 10 μ m that lubricant oil filters the filter precision, filters out the impurity in the oil, makes the lubricant oil of the system of entering reach the filter precision that technical requirements is stipulated.Lubricant oil enters into self-powering type pressure regulator valve (12) after duplex filter (11), the lubricating oil pressure that self-powering type pressure regulator valve (12) is got main oil pump (5) or auxiliary oil pump (7) drops to combustion machine (1) inlet pressure of technical requirements regulation.This moment, lubricant oil satisfied combustion machine (1) import lubricating oil pressure, the temperature of technical requirements regulation, the requirement of precision, the lubricant oil one tunnel that will satisfy combustion machine (1) requirement is sent to combustion machine (1), another road lubricant oil is again behind another one self-powering type pressure regulator valve (12), the lubricant oil that will satisfy generator (25) requirement is sent to generator (25), finishes the supply of lubricant oil.
The working principle of jacking oil system: jacking(oil) pump (10) is the outlet port oil suction from lubricating pump, and jacking(oil) pump during proper functioning (10) is by main oil pump (5) or auxiliary oil pump (7) fuel feeding; When compressor emergency shutdown or take off when covering overhaul, in order to coil rotor, jacking oil system still needs fuel feeding, sprays from the bearing of opening for preventing lubricant oil, at this moment, will close towards combustion machine (1) and generator (25) oil circuit, and main oil pump (5) is given the jacking oil system fuel feeding.Jacking(oil) pump (10) rises to working pressure with lubricating oil pressure, is sent to generator (25) bearing behind the relief valve of flowing through then (16), smart filter (17), throttle valve (18), the one-way valve (19), finishes the supply of jacking oil.
In the present embodiment about the supplementary notes of part component:
Fuel tank (2): fuel tank (2) is that gas turbine, generator (25) lubricate and generator (25) apical axis provides lubricant oil.In addition, also as the storage of oil and the mountion plate of air in the separating oil and hydraulic element.The jacking(oil) pump elements such as (10) of the oil pump in the lubricating oil system, filter, fume extractor (9) and jacking oil system is installed on the cover plate of fuel tank (2), makes the lubricating oil system structure compact more.Determine the numerical value such as oil reserve, flow rate of lubricating oil of volume, the fuel tank (2) of fuel tank (2) as calculated, time that therefore can the delay in fuel tank (2) of corresponding control oil, this just can guarantee that the air in the oil discharges, and mechanical admixture is precipitated.
We are provided with (tank gauge (24), heater (14), thermal switch (15) on fuel tank (2).Fluid level controller is used for monitoring the oil reserve of fuel tank (2), when liquid level is below or above setting value, sends alarm signal, and the staff opens oiling and discharge equipment (3), the oil reserve in the control fuel tank (2).Thermal switch (15) is used for sending signal to control system when temperature has been lower than the machine temperature, makes the unit fail to start.Thermal switch (15) also is used for and heater (14) joint control, when temperature is lower than thermal switch (15) setting value (unit plays the machine temperature), lubricant oil heating in heater (14) the beginning oil dropping apparatus (2), when temperature reached thermal switch (15) setting value, heater (14) stopped heating.
Cooler (6) is the water-cooled panel cooler, might occur leaking when considering cooler (6) fault, immerses in the fuel tank (2) for preventing to leak, and in the preferred version, it is other that we are arranged on fuel tank (2) with cooler (6).
Fume extractor (9): the oil return mode of heavy combustion engine (1) lubricating oil system is the gravity oil return, and oil return for the benefit of and bearing seal prevent leakage of oil, and fume extractor (9) is installed on fuel tank (2).Fume extractor (9) is extracted the mist of oil in the fuel tank (2) out, and from mist of oil, separate by the oil that the deaerator in the fume extractor (9) will be contained in the mist of oil, send fuel tank (2) back to, make fuel tank (2) produce a little negative pressure simultaneously, be beneficial to oil return and bearing seal prevents leakage of oil.On fume extractor (9), be provided with a butterfly valve, can control the negative pressure value in the fuel tank (2) by setting the openings of sizes of butterfly valve.Be provided with pressure transducer (22) on fuel tank (2), control system can be monitored the negative pressure value of fuel tank (2) easily.
Pressure gauge in the system (20) is installed on a special pressure gauge (20) scaffold, so that the operation maintenance personnel monitor each point pressure of lubricant oil.
Because system is the gravity oil return, therefore require the return line of system all downward-sloping, the angle of inclination is 2 °.
In terms of existing technologies, present embodiment has designed combustion machine set lubricant oil and jacking oil supply system with the form of relatively independent system, it can realize control and relevant treatment to oily temperature of flow of lubrication, each key link etc., and has set up fume extractor (9), oily circulation and oiling and discharge equipment (3) and the system that proposed and played machine pre-running test method.Present embodiment has been filled up field blank of the prior art, and its technique effect obviously is better than original technology.
Claims (10)
1. combustion machine set lubricant oil and jacking oil supply system, it acts on combustion machine (1) and is attached thereto the generator (25) that connects, and it includes fuel tank (2), oil pump, pipe-line system, control system; It is characterized in that: include flow-control module, temperature control modules in described combustion machine set lubricant oil and the jacking oil supply system; Wherein:
The flow adjusting module includes the pressure regulator valve that can adjust in advance and determine to enter the lubricating oil pressure of combustion machine (1);
Temperature control modules includes: thermal switch (25), heater (26), thermostat valve (8), cooler (6), the heater (26) that is arranged in the fuel tank (2) is connected on other parts of control system by thermal switch (25), thermostat valve (8) and cooler (6) are arranged in to be set out by fuel tank (2) and enter on the lubricating oil inlet oil circuit of combustion machine (1), be specially: (the lubricant oil elder generation of 2)s is through thermostat valve (8), thereafter by the cooler (6) of parallel connection and the oil circuit of connection thermostat valve (8) and combustion machine (1) from fuel tank.
2. according to claim 1 described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: include 3 oil pumps that can independently finish the fuel feeding task separately in described combustion machine set lubricant oil and the jacking oil supply system: main oil pump (5), auxiliary oil pump (7), emergencypump (4); The three is being that the mode of parallel connection is connected in the oil circuit each other.
3. according to claim 2 described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: described main oil pump (5) and auxiliary oil pump (7) are 54m for flow all
3/ h, lift are that the immersion of 92m exchanges centrifugal pump; Emergencypump (4) is 24m for flow
3/ h, lift are the immersion direct current centrifugal pump of 20m.
4. according to claim 2 described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: also have in described combustion machine set lubricant oil and the jacking oil supply system pressure transducer (22) or pressure switch (21) both one of or its combination; Wherein: pressure switch (21) is relatively independent with the control system at pressure transducer (22) place.
5. according to claim 1 described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: be connected the fume extractor (9) on the fuel tank (2) in described combustion machine set lubricant oil and the jacking oil supply system in addition, described fume extractor (9) is connected in the control system of outfit of equipment simultaneously.
6. according to claim 5 described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: also be provided with one of lower device or its combination on the fume extractor (9) in described combustion machine set lubricant oil and the jacking oil supply system: be connected dish valve on the fuel tank (2), be used to reclaim the deaerator of lubricant oil.
7. according to claim 1 described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: also have oiling and discharge equipment (3) in described combustion machine set lubricant oil and the jacking oil supply system, oiling and discharge equipment (3) are connected on the fuel tank (2), and described oiling and discharge equipment (3) specifically include with the bottom: ball valve one (301), recycle oil filter (302), ball valve two (303), ball valve three (304), oiling filter (305), oil pump (306), ball valve four (307);
The above each constituent element all directly or indirectly is connected on the oil circuit, and arrangement order is followed successively by: recycle oil filter (302), ball valve one (301), ball valve four (307), oil pump (306), oiling filter (305) and ball valve three (304), ball valve two (303); Wherein: the filter (305) of refueling is connected on the oil circuit by ball valve three (304).
8. according to claim 1 described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that:
Also have filter in described combustion machine set lubricant oil and the jacking oil supply system, the main filter in the lubricating oil system is to select a duplex filter (11) of using at one time, and it is connected on the oil circuit between thermostat valve (8) and the combustion machine; Be provided with the differential pressure pickup of measuring flow resistance pressure in duplex filter (11), differential pressure pickup is also connecting the control section of main system.
9. according to claim 1 described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: also have the monitoring link of returning-oil temperature in described combustion machine set lubricant oil and the jacking oil supply system, it is arranged on combustion machine (1) the lubricating oil outlet oil circuit; In the monitoring link of described returning-oil temperature temperature measuring element is arranged, described temperature measuring element also is connected on the control section of main system, and warning device is arranged on the temperature measuring element or in the control system.
10. according to claim 1～9 one of them described combustion machine set lubricant oil and jacking oil supply system, it is characterized in that: the cooler (6) in described combustion machine set lubricant oil and the jacking oil supply system is specially 2 parallel with one another and panel coolers that can online switching in unit running process, wherein use, another is standby;
Pressure gauge in the system (20) all is fixedly mounted on a special pressure gauge (20) scaffold; The return line of system is all downward-sloping, and range of tilt angles is 1 °～90 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2006200939843U CN201016307Y (en) | 2006-11-08 | 2006-11-08 | Combustion engine set lubricating oil and jacking oil supplying system |
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| CNU2006200939843U CN201016307Y (en) | 2006-11-08 | 2006-11-08 | Combustion engine set lubricating oil and jacking oil supplying system |
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| CN201016307Y true CN201016307Y (en) | 2008-02-06 |
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| CNU2006200939843U Expired - Fee Related CN201016307Y (en) | 2006-11-08 | 2006-11-08 | Combustion engine set lubricating oil and jacking oil supplying system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101858349B (en) * | 2009-04-08 | 2012-06-13 | 同方人工环境有限公司 | Oil supply loop of screw rod type refrigeration compressor flooded unit |
| CN102518487A (en) * | 2011-11-09 | 2012-06-27 | 中国神华能源股份有限公司 | Turbine rotor ejecting shaft system and emergency oil supplying method |
| CN106051435A (en) * | 2016-06-24 | 2016-10-26 | 江苏江海润液设备有限公司 | Auxiliary oil system of gas turbine |
| CN106837551A (en) * | 2015-10-30 | 2017-06-13 | 通用电气公司 | Gas-turbine unit oil sump heat exchanger |
| CN106837554A (en) * | 2017-02-16 | 2017-06-13 | 中国航发沈阳发动机研究所 | A kind of many specking fuel feeding oil mass distribution methods of engine driving system |
| CN106979077A (en) * | 2015-12-30 | 2017-07-25 | 通用电气公司 | Method and system for centrifugal pump |
| CN108397674A (en) * | 2018-02-27 | 2018-08-14 | 首钢京唐钢铁联合有限责任公司 | A kind of lubricating utensil of constant temperature and pressure |
| CN109578317A (en) * | 2018-12-29 | 2019-04-05 | 沈阳鼓风机集团自动控制系统工程有限公司 | A kind of control method and device of centrifugal compressor lubricating oil system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101858349B (en) * | 2009-04-08 | 2012-06-13 | 同方人工环境有限公司 | Oil supply loop of screw rod type refrigeration compressor flooded unit |
| CN102518487A (en) * | 2011-11-09 | 2012-06-27 | 中国神华能源股份有限公司 | Turbine rotor ejecting shaft system and emergency oil supplying method |
| CN102518487B (en) * | 2011-11-09 | 2014-10-22 | 中国神华能源股份有限公司 | Turbine rotor ejecting shaft system and emergency oil supplying method |
| CN106837551A (en) * | 2015-10-30 | 2017-06-13 | 通用电气公司 | Gas-turbine unit oil sump heat exchanger |
| CN106837551B (en) * | 2015-10-30 | 2020-11-13 | 通用电气公司 | Gas turbine engine sump heat exchanger |
| CN106979077A (en) * | 2015-12-30 | 2017-07-25 | 通用电气公司 | Method and system for centrifugal pump |
| CN106051435A (en) * | 2016-06-24 | 2016-10-26 | 江苏江海润液设备有限公司 | Auxiliary oil system of gas turbine |
| CN106837554A (en) * | 2017-02-16 | 2017-06-13 | 中国航发沈阳发动机研究所 | A kind of many specking fuel feeding oil mass distribution methods of engine driving system |
| CN106837554B (en) * | 2017-02-16 | 2019-04-23 | 中国航发沈阳发动机研究所 | A kind of more specking fuel feeding oil mass distribution methods of engine driving system |
| CN108397674A (en) * | 2018-02-27 | 2018-08-14 | 首钢京唐钢铁联合有限责任公司 | A kind of lubricating utensil of constant temperature and pressure |
| CN109578317A (en) * | 2018-12-29 | 2019-04-05 | 沈阳鼓风机集团自动控制系统工程有限公司 | A kind of control method and device of centrifugal compressor lubricating oil system |
| CN109578317B (en) * | 2018-12-29 | 2020-07-31 | 沈阳鼓风机集团自动控制系统工程有限公司 | Control method and device for lubricating oil system of centrifugal compressor |
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