CN204113640U - A kind of oil supply system of feed water pump - Google Patents
A kind of oil supply system of feed water pump Download PDFInfo
- Publication number
- CN204113640U CN204113640U CN201420484497.4U CN201420484497U CN204113640U CN 204113640 U CN204113640 U CN 204113640U CN 201420484497 U CN201420484497 U CN 201420484497U CN 204113640 U CN204113640 U CN 204113640U
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- CN
- China
- Prior art keywords
- oil
- pump
- working
- fuel tank
- feed water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of oil supply system of feed water pump, oil in fuel tank is delivered to working oil oil cooler and lubricant oil condenser respectively by working oil loop and oil circuit, oil in working oil oil cooler connected by oil pipe be delivered to working oil loop and fuel tank connecting end on and enter fuel tank by reflux valve and ensure that working oil loop oil pressure is stable, oil in lubricant oil condenser flows to motor and feed water pump and by motor bearings oil circuit, the even bearing oil circuit of liquid and feed water pump bearing oil circuit are delivered to fuel tank, the oil supply loop that promising working oil loop and oil circuit provide steady pressure oil is set in described fuel tank.The oil supply loop that the utility model adopts comprises three branch roads, oil pressure demand can be met by adjusting three branch roads, connect auxiliary oil pump at tank bottoms by pipeline at inlet screen simultaneously, auxiliary oil pump outlet setting to be dropped a hint pipeline, non-return flap, hand operated door, as the emergency pump providing lubrication pressure.
Description
Technical field
The utility model relates to a kind of oil supplying device, especially relates to a kind of oil supply system of feed water pump.
Background technique
In the manufacturing operation of thermoelectricity plant's electrically driven feedpump, the lubricant oil of general electrically driven feedpump is provided by the lubricating pump of auxiliary oil pump and motor coaxle, and the working oil of electrically driven feedpump is provided by the work oil pump of motor coaxle.But after high-voltage frequency-changing reducing energy consumption is carried out to electrically driven feedpump, the motor speed of electrically driven feedpump becomes speed change from original speed, lubricating pump and the work oil pump of motor coaxle become speed change because of motor speed from constant speed, and the oil pressure provided separately can not meet the needs of lubricating oil system and working oil system.Therefore need redesign the oil system of electrically driven feedpump and transform.
Model utility content
The purpose of this utility model is the problem that the oil pressure provided for solving original oil supply loop cannot meet the needs of lubricating oil system and working oil system, provides a kind of oil supply system of feed water pump.
The utility model is the deficiency solved the problems of the technologies described above, and the technological scheme adopted is:
A kind of oil supply system of feed water pump, comprise fuel tank, motor, feed water pump, lubricant oil oil cooler and working oil oil cooler, oil in fuel tank is delivered to working oil oil cooler and lubricant oil condenser respectively by working oil loop and oil circuit, oil in working oil oil cooler connected by oil pipe be delivered to working oil loop and fuel tank connecting end on and enter fuel tank by reflux valve and ensure that working oil loop oil pressure is stable, oil in lubricant oil condenser flows to motor and feed water pump and by motor bearings oil circuit, the even bearing oil circuit of liquid and feed water pump bearing oil circuit are delivered to fuel tank, the oil supply loop that promising working oil loop and oil circuit provide steady pressure oil is set in described fuel tank, oil supply loop comprises lubricant oil branch road, working oil branch road and auxiliary oily branch road, lubricant oil branch road comprises the pump intake filter screen connected successively, oil feed pump I, pump discharge check valve and pump discharge manually operated valve I, pump discharge manually operated valve I is directly connected with oil circuit by oil pipe, auxiliary oily branch road comprises the pump intake filter screen connected successively, oil feed pump II, pump discharge check valve and pump discharge manually operated valve II, the end of pump discharge manually operated valve II connects into two oil circuits by three-way pipe, article one, oil circuit connects oil sump tank by pressure regulator valve, another oil circuit is connected to oil circuit by auxiliary oily check valve, working oil branch road comprises the pump intake filter screen connected successively, oil feed pump III, pump discharge check valve and pump discharge manually operated valve III, pump discharge manually operated valve III connects into two oil circuits by three-way pipe, article one, oil circuit connects oil sump tank by pressure regulator valve, another oil circuit is connected to working oil loop by the manual regulating valve of working oil, auxiliary oily check valve is got in touch with manually operated valve with the entry end of the manual regulating valve of working oil by lubricant oil and working oil and is connected.
The oil circuit of described pump discharge manually operated valve I outlet end is connected with oil meter.
The oil circuit of the entry end of described auxiliary oily check valve is connected with oil meter.
The oil circuit of the entry end of the manual regulating valve of described working oil is connected with oil meter.
The outlet end of described oil feed pump III, oil feed pump II and oil feed pump I is all connected with manually operated valve of dropping a hint.
Described fuel tank is also connected with resuscitation apparatus.
Described fuel tank is also connected with tank bottoms blowdown manually operated valve.
The beneficial effects of the utility model are: the oil supply loop that the utility model adopts comprises three branch roads, oil pressure demand can be met by adjusting three branch roads, connect auxiliary oil pump at tank bottoms by pipeline at inlet screen simultaneously, auxiliary oil pump outlet setting is dropped a hint pipeline, non-return flap, hand operated door, as the emergency pump providing lubrication pressure, auxiliary oily non-return flap is set at lubricating pipe simultaneously, effect is that auxiliary oil pump connection opens when two oil feed pump faults, ensures that lubrication pressure normally prevents each bearing shell oil-break of electrically driven feedpump.
This system cloud gray model is reliable, ensure that the lubricant oil of electrically driven feedpump when converting operation and working oil security of system.
Accompanying drawing explanation
Fig. 1 overall structure schematic diagram of the present utility model.
Fig. 2 is the hydraulic transmission figure of oil supply loop of the present utility model.
Graphical indicia: 1, lubricant oil oil cooler; 2, working oil oil cooler; 3, feed water pump; 4, feed water pump bearing oil circuit; 5, fuel tank; 501, oil feed pump I; 502, oil feed pump II; 503, oil feed pump III; 504, pump discharge check valve; 505, pump discharge manually operated valve I; 506, pump discharge manually operated valve II; 507, pump discharge manually operated valve III; 508, auxiliary oily check valve; 509, lubricant oil and working oil get in touch with manually operated valve; 510, the manual regulating valve of working oil; 511, resuscitation apparatus; 512, pump intake filter screen; 513, blowdown manually operated valve; 514, to drop a hint manually operated valve; 515, pressure regulator valve; 6, the even bearing oil circuit of liquid; 7, motor bearings oil circuit; 8, motor; 9, working oil loop; 10, oil circuit.
Embodiment
Shown in figure, embodiment is as follows:
A kind of oil supply system of feed water pump, comprise fuel tank 5, motor 8, feed water pump 3, lubricant oil oil cooler 1 and working oil oil cooler 2, oil in fuel tank 5 is delivered to working oil oil cooler 2 and lubricant oil condenser 1 respectively by working oil loop 9 and oil circuit 10, oil in working oil oil cooler 2 connects to be delivered on working oil loop 9 and the connecting end of fuel tank 5 and to enter fuel tank 5 by reflux valve by oil pipe and ensures that working oil loop 9 oil pressure is stablized, oil in lubricant oil condenser 1 flows to motor 8 and feed water pump 3 and by motor bearings oil circuit 7, the even bearing oil circuit 6 of liquid and feed water pump bearing oil circuit 4 are delivered to fuel tank 5, the oil supply loop that promising working oil loop and oil circuit provide steady pressure oil is set in described fuel tank 5, oil supply loop comprises lubricant oil branch road, working oil branch road and auxiliary oily branch road, lubricant oil branch road comprises the pump intake filter screen 512 connected successively, oil feed pump I501, pump discharge check valve 504 and pump discharge manually operated valve I505, pump discharge manually operated valve I505 is directly connected with oil circuit 10 by oil pipe, auxiliary oily branch road comprises the pump intake filter screen 512 connected successively, oil feed pump II502, pump discharge check valve 504 and pump discharge manually operated valve II506, the end of pump discharge manually operated valve II506 connects into two oil circuits by three-way pipe, article one, oil circuit connects oil sump tank 5 by pressure regulator valve 515, another oil circuit is connected to oil circuit 10 by auxiliary oily check valve 508, working oil branch road comprises the pump intake filter screen 512 connected successively, oil feed pump III503, pump discharge check valve 504 and pump discharge manually operated valve III507, pump discharge manually operated valve III507 connects into two oil circuits by three-way pipe, article one, oil circuit connects oil sump tank 5 by pressure regulator valve 515, another oil circuit is connected to working oil loop 9 by the manual regulating valve 510 of working oil, auxiliary oily check valve 508 is got in touch with manually operated valve 509 with the entry end of the manual regulating valve 510 of working oil by lubricant oil and working oil and is connected.
The oil circuit of described pump discharge manually operated valve I505 outlet end is connected with oil meter.
The oil circuit of the entry end of described auxiliary oily check valve 508 is connected with oil meter.
The oil circuit of the entry end of the manual regulating valve 510 of described working oil is connected with oil meter.
The outlet end of described oil feed pump III503, oil feed pump II502 and oil feed pump I501 is all connected with manually operated valve 514 of dropping a hint.
Described fuel tank 5 is also connected with resuscitation apparatus 511.
Described fuel tank 5 is also connected with tank bottoms blowdown manually operated valve 513.
Connect for routine techniques about the oil circuit between the parts such as fuel tank 5, motor 8, feed water pump 3, lubricant oil oil cooler 1 and working oil oil cooler 2 in this patent, for those skilled in the art knows, so be not described in detail, and the main improvement of this patent is the oil circuit design proposal in fuel tank.
In this system, the oil circuit in fuel tank includes oil feed pump, resuscitation apparatus, inlet screen, each hand operated door, each non-return flap, when oil feed pump I1 and oil feed pump II2 normally runs, one is run an interlocking back-up, system oil pressure can be ensured, inlet screen connects oil feed pump I1 at tank bottoms by pipeline, oil feed pump I1 exports setting and to drop a hint pipeline, non-return flap, hand operated door, same inlet screen connects oil feed pump II2 at tank bottoms by pipeline, oil feed pump II2 exports setting and to drop a hint pipeline, non-return flap, hand operated door, export at oil feed pump I1 and between pipeline, lubricant oil is set after pipeline and oil feed pump II2 export hand operated door after hand operated door and working oil gets in touch with hand operated door, can ensure that startup oil feed pump can meet lubrication pressure and operating oil pressure,
Inlet screen connects auxiliary oil pump at tank bottoms by pipeline, auxiliary oil pump outlet setting is dropped a hint pipeline, non-return flap, hand operated door, as the emergency pump providing lubrication pressure, auxiliary oily non-return flap is set at lubricating pipe simultaneously, effect is that auxiliary oil pump connection opens when two oil feed pump faults, ensures that lubrication pressure normally prevents each bearing shell oil-break of electrically driven feedpump.
Come into operation after existing oil system design, system cloud gray model is reliable, ensure that the lubricant oil of electrically driven feedpump when converting operation and working oil security of system.
Technological scheme cited by the utility model and mode of execution be not restriction, be equal to the technological scheme cited by the utility model and mode of execution or effect same approach all in the scope that the utility model is protected.
Claims (7)
1. the oil supply system of a feed water pump, comprise fuel tank (5), motor (8), feed water pump (3), lubricant oil oil cooler (1) and working oil oil cooler (2), oil in fuel tank (5) is delivered to working oil oil cooler (2) and lubricant oil condenser (1) respectively by working oil loop (9) and oil circuit (10), oil in working oil oil cooler (2) connected by oil pipe be delivered to working oil loop (9) and fuel tank (5) connecting end on and enter fuel tank (5) by reflux valve and ensure that working oil loop (9) oil pressure is stable, oil in lubricant oil condenser (1) flows to motor (8) and feed water pump (3) and by motor bearings oil circuit (7), even bearing oil circuit (6) of liquid and feed water pump bearing oil circuit (4) are delivered to fuel tank (5), it is characterized in that:
The oil supply loop that promising working oil loop and oil circuit provide steady pressure oil is also set in described fuel tank (5), oil supply loop comprises lubricant oil branch road, working oil branch road and auxiliary oily branch road, lubricant oil branch road comprises the pump intake filter screen (512) connected successively, oil feed pump I(501), pump discharge check valve (504) and pump discharge manually operated valve I(505), pump discharge manually operated valve I(505) be directly connected with oil circuit (10) by oil pipe, auxiliary oily branch road comprises the pump intake filter screen (512) connected successively, oil feed pump II(502), pump discharge check valve (504) and pump discharge manually operated valve II(506), pump discharge manually operated valve II(506) end connect into two oil circuits by three-way pipe, article one, oil circuit connects oil sump tank (5) by pressure regulator valve (515), another oil circuit is connected to oil circuit (10) by auxiliary oily check valve (508), working oil branch road comprises the pump intake filter screen (512) connected successively, oil feed pump III(503), pump discharge check valve (504) and pump discharge manually operated valve III(507), pump discharge manually operated valve III(507) connect into two oil circuits by three-way pipe, article one, oil circuit connects oil sump tank (5) by pressure regulator valve (515), another oil circuit is connected to working oil loop (9) by the manual regulating valve of working oil (510), auxiliary oily check valve (508) is got in touch with manually operated valve (509) with the entry end of the manual regulating valve of working oil (510) by lubricant oil and working oil and is connected.
2. the oil supply system of a kind of feed water pump according to claim 1, is characterized in that: described pump discharge manually operated valve I(505) oil circuit of outlet end is connected with oil meter.
3. the oil supply system of a kind of feed water pump according to claim 1, is characterized in that: the oil circuit of the entry end of described auxiliary oily check valve (508) is connected with oil meter.
4. the oil supply system of a kind of feed water pump according to claim 1, is characterized in that: the oil circuit of the entry end of the manual regulating valve of described working oil (510) is connected with oil meter.
5. the oil supply system of a kind of feed water pump according to claim 1, is characterized in that: described oil feed pump III(503), oil feed pump II(502) and oil feed pump I(501) outlet end on be all connected with manually operated valve of dropping a hint (514).
6. the oil supply system of a kind of feed water pump according to claim 1, is characterized in that: described fuel tank (5) is also connected with resuscitation apparatus (511).
7. the oil supply system of a kind of feed water pump according to claim 1, is characterized in that: described fuel tank (5) is also connected with tank bottoms blowdown manually operated valve (513).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484497.4U CN204113640U (en) | 2014-08-27 | 2014-08-27 | A kind of oil supply system of feed water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420484497.4U CN204113640U (en) | 2014-08-27 | 2014-08-27 | A kind of oil supply system of feed water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113640U true CN204113640U (en) | 2015-01-21 |
Family
ID=52330956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420484497.4U Expired - Fee Related CN204113640U (en) | 2014-08-27 | 2014-08-27 | A kind of oil supply system of feed water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113640U (en) |
-
2014
- 2014-08-27 CN CN201420484497.4U patent/CN204113640U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20170827 |