CN217327443U - Steam turbine oil device with high-low pressure oil separation device - Google Patents

Steam turbine oil device with high-low pressure oil separation device Download PDF

Info

Publication number
CN217327443U
CN217327443U CN202220546383.2U CN202220546383U CN217327443U CN 217327443 U CN217327443 U CN 217327443U CN 202220546383 U CN202220546383 U CN 202220546383U CN 217327443 U CN217327443 U CN 217327443U
Authority
CN
China
Prior art keywords
pressure oil
oil
pipe
low pressure
turbine
Prior art date
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.)
Active
Application number
CN202220546383.2U
Other languages
Chinese (zh)
Inventor
李盟
谢育才
安思远
张超
白秀森
杨智
赵宇辰
张建民
方明
杨丽萍
范思毅
王宝生
李建超
曹旭
朱富强
张海洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Beijing Thermal Power Co Ltd
Original Assignee
Huaneng Beijing Thermal Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaneng Beijing Thermal Power Co Ltd filed Critical Huaneng Beijing Thermal Power Co Ltd
Priority to CN202220546383.2U priority Critical patent/CN217327443U/en
Application granted granted Critical
Publication of CN217327443U publication Critical patent/CN217327443U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Control Of Turbines (AREA)

Abstract

The utility model discloses a turbine oil device with high-low pressure oil separation device, which relates to the technical field of high pressure oil of a turbine, and comprises an oil tank component, a high pressure oil supply pipe is connected in the middle of the upper end of the turbine oil tank, a low pressure oil return pipe is connected on one side of the upper end of the turbine oil tank far away from the high pressure oil return pipe, a circulating pipe is connected between the low pressure oil return pipe and the high pressure oil supply pipe, the circulating pipe enables high pressure oil ejected from the turbine oil tank not to pass through the high pressure oil supply pipe to remove a motor but directly passes through the circulating pipe return pipe, and an installed manual door can seal the circulating pipe, when the manual door needs to be installed, a blocking plate is needed to be connected with a connecting flange on the circulating pipe, the whole operation is ensured, the high pressure oil cannot leak to the circulating pipe, thereby flow disturbance can not be caused to an operation main road, and the relevant defects of the high pressure oil supply pipe can be processed on the same day of the shutdown, the pump does not need to be stopped, and the safety and the efficiency are improved.

Description

Steam turbine oil device with high-low pressure oil separation device
Technical Field
The utility model relates to a steam turbine high pressure oil technical field, especially a steam turbine oil device with high-low pressure oil separator.
Background
When the steam turbine set stops running, the low-pressure oil can continuously cool each bearing bush of the steam turbine, so that the heat of a steam turbine cylinder body is taken away, the function of cooling the cylinder temperature is started, and the low-pressure oil basically lasts for about 15 days until the temperature of the cylinder body is reduced to the condition that the barring and the lubricating oil can be stopped running. During the period, the main steam valve carried by the high-pressure oil is closed, the high-pressure oil does not need to be used as the pressure oil, but the two kinds of oil are pumped out by the same lubricating oil pump, so that the high-pressure oil cannot be effectively isolated, and the defect of the high-pressure oil side can be easily eliminated until the low-pressure oil stops. If only one manual door on an inlet pipeline of the oil engine is used for isolation, the risk is too large, if the manual door is not tight, the oil leakage risk exists, once oil leakage occurs, lubricating oil on the low-pressure oil removing side can be greatly reduced, if the oil leakage risk is not found in time, the pressure of the lubricating oil can be reduced, a large shaft and a bearing bush can be rubbed, the metal surface of the bearing bush can be abraded, and the serious and serious unsafe event that the metal surface of the bearing bush is separated from the tire can occur.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the prior art steam turbine oil system having high and low pressure oil separators.
Therefore, the present invention is to provide a turbine oil device with a high-low pressure oil separator.
In order to solve the technical problem, the utility model provides a following technical scheme: a turbine oil unit with a high and low pressure oil isolation unit, comprising;
the oil tank subassembly, it includes the turbine oil tank, low pressure oil supplies the oil pipe, high pressure oil returns the oil pipe, low pressure oil returns the oil pipe, circulating pipe and flange, lower extreme one side of turbine oil tank is connected with low pressure oil and supplies the oil pipe, the upper end intermediate junction of turbine oil tank has high pressure oil to supply the oil pipe, upper end one side of turbine oil tank is connected with high pressure oil and returns the oil pipe, one side that high pressure oil returned the oil pipe was kept away from to turbine oil tank upper end is connected with low pressure oil and returns the oil pipe, it is connected with the circulating pipe to return between oil pipe and the high pressure oil supply pipe to low pressure oil, flange is installed to the centre symmetry of circulating pipe.
The oil tank of the steam turbine supplies oil to the bearing bush through the low-pressure oil supply pipe, and simultaneously, the oil tank of the steam turbine also supplies oil to the oil engine through the high-pressure oil supply pipe, when the whole engine operates, the oil tank of the steam turbine also feeds back the oil to the inside of the oil tank of the steam turbine through the high-pressure oil return pipe and the low-pressure oil return pipe, and when the engine operates, the circulating pipe enables the high-pressure oil pumped out of the oil tank of the steam turbine not to flow back to the oil engine through the high-pressure oil supply pipe, but directly returns to the oil tank through the circulating pipe, the relevant defects of the high-pressure oil supply pipe can be processed on the same day of shutdown, and the pumps do not need to be stopped, so that the safety and the high efficiency are improved.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: and a control valve is arranged in the middle of the high-pressure oil supply pipe, and personnel control the opening and closing of the high-pressure oil supply pipe through the control valve.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: ball valves are installed on two sides of the circulating pipe, a supporting plate is installed at the lower end of the circulating pipe, and a manual door is installed on one side, close to the connecting flange, of the circulating pipe. The circulating pipe is opened or closed through the ball valve, the manual door arranged on the circulating pipe can seal the circulating pipe, when the circulating pipe is used, the supporting plate supports the lower end of the circulating pipe, the circulating pipe is prevented from vibrating along with the circulating pipe when the circulating pipe integrally runs, and the circulating pipe is protected.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: the cardboard is installed to the upper end of backup pad, installs the strengthening rib of slope form between cardboard and the backup pad. The backup pad can carry out fixed stay to the cardboard, and the strengthening rib of installation can increase the support area of cardboard lower extreme in the middle of the backup pad, improves holistic support intensity.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: the supporting plate is made of galvanized channel steel, has good anti-corrosion performance and abrasion resistance, and can be safely used in severe environments or normal environments.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: the cardboard is U type structure to cardboard and circulating pipe swing joint. The cardboard is U type structure, can be better with the circulating pipe phase-match, make the circulating pipe spacing behind the inboard of cardboard, avoid appearing the phenomenon of rocking about.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: a threaded hole is formed in one side of the upper end of the clamping plate, a locking bolt penetrates through the side, away from the threaded hole, of the clamping plate, and the locking bolt is in threaded connection with the threaded hole. After the circulating pipe is placed inside the clamping plate, the locking bolt can penetrate through the threaded hole, so that the locking bolt can be limited and fixed at the upper end of the circulating pipe, and the circulating pipe is prevented from being separated from the inner side of the clamping plate.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: and a blocking plate is arranged on one side of the manual door and is movably connected with the connecting flange. When a manual door needs to be installed, the blocking plate needs to be connected with the connecting flange on the circulating pipe, and therefore when the whole operation is guaranteed, high-pressure oil cannot leak to the circulating pipe, and therefore flow disturbance cannot be caused to an operation main road.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: and the middle of the connecting flange is provided with a positioning short pipe, and two sides of the positioning short pipe are welded with sealing flanges. When the machine is stopped, the blocking plate and the manual door on the circulating pipe are removed, then the positioning short pipe is connected, after the sealing flange is connected with the connecting flange, the control valve on the high-pressure oil supply pipe is closed, the ball valve on the circulating pipe is opened, the high-pressure oil which is pumped out flows through the circulating pipe and returns to the oil tank through the low-pressure oil return pipe, and at the moment, a high-pressure oil user and an auxiliary pipeline thereof can be directly overhauled.
As a preferred scheme of a steam turbine oil device with high-low pressure oil separator, wherein: the sealing flange is matched with the connecting flange, and the sealing flange and the connecting flange are attached to each other and detachably connected. When the positioning short pipe needs to be installed, the sealing flanges on two sides of the positioning short pipe can be aligned to the connecting flange, and then locking parts such as bolts are used for locking and fixing.
The utility model discloses beneficial effect does: the circulating pipe enables high-pressure oil pumped from a turbine oil tank to flow out of the oil engine not through the high-pressure oil supply pipe but directly returns to the oil tank through the circulating pipe, the circulating pipe is opened or closed through the ball valve, the installed manual door can seal the circulating pipe, when the manual door needs to be installed, the blocking plate is required to be connected with the connecting flange on the circulating pipe, the high-pressure oil is guaranteed not to leak to the circulating pipe when the whole machine operates, flow disturbance cannot be caused to an operation main path, the relevant defects of the high-pressure oil supply pipe can be processed on the same day of shutdown, the pump does not need to be stopped, and safety and high efficiency are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a view showing the installation state of a closing plate and a manual door of a steam turbine oil plant with a high and low pressure oil separation device.
FIG. 2 is a view showing a state where a closing plate and a manual door of a steam turbine oil unit having a high and low pressure oil separating unit are removed.
FIG. 3 is a block diagram of a support plate for a steam turbine oil plant with a high and low pressure oil isolation unit.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a fuel tank assembly; 101. a steam turbine oil sump; 102. a low-pressure oil supply pipe; 103. a high-pressure oil supply pipe; 103a, a control valve; 104. a high pressure oil return pipe; 105. a low pressure oil return pipe; 106. a circulation pipe; 106a, a ball valve; 106b, a support plate; 106b-1, a clamping plate; 106b-11, a threaded hole; 106b-22, a locking bolt; 106b-2, reinforcing ribs; 106c, a manual door; 106c-1, a blocking plate; 107. a connecting flange; 107a, a positioning short pipe; 107b, sealing the flange.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides a turbine oil assembly with a high and low pressure oil separator, comprising;
the oil tank assembly 100 comprises a turbine oil tank 101, a low-pressure oil supply pipe 102, a high-pressure oil supply pipe 103, a high-pressure oil return pipe 104, a low-pressure oil return pipe 105, a circulating pipe 106 and a connecting flange 107, wherein the low-pressure oil supply pipe 102 is connected to one side of the lower end of the turbine oil tank 101, the high-pressure oil supply pipe 103 is connected to the middle of the upper end of the turbine oil tank 101, a control valve 103a is installed in the middle of the high-pressure oil supply pipe 103, the high-pressure oil return pipe 104 is connected to one side of the upper end of the turbine oil tank 101, the low-pressure oil return pipe 105 is connected to one side of the upper end of the turbine oil tank 101, the circulating pipe 106 is connected between the low-pressure oil return pipe 105 and the high-pressure oil supply pipe 103, ball valves 106a are installed on two sides of the circulating pipe 106, a supporting plate 106b is installed at the lower end of the circulating pipe 106, a manual door 106c is installed on one side of the manual door 106 close to the connecting flange 107, a blocking plate 106c-1 is installed on one side of the manual door 106c, the blocking plate 106c-1 is movably connected with a connecting flange 107, and the connecting flange 107 is symmetrically arranged in the middle of the circulating pipe 106.
The turbine oil tank 101 supplies oil to the bearing bush through the low-pressure oil supply pipe 102, and simultaneously supplies oil to the oil-driven machine through the high-pressure oil supply pipe 103, when the whole machine operates, the oil is returned to the interior of the turbine oil tank 101 through the high-pressure oil return pipe 104 and the low-pressure oil return pipe 105, the control valve 103a controls the opening and closing of the high-pressure oil supply pipe 103, when the machine operates, the circulation pipe 106 enables the high-pressure oil pumped out from the turbine oil tank 101 not to flow to the oil-driven machine through the high-pressure oil supply pipe 103 but directly returns to the tank through the circulation pipe 106, the circulation pipe 106 is opened or closed through the ball valve 106a, the manual valve 106c installed can seal the circulation pipe 106, when the manual valve 106c needs to be installed, the blocking plate 106c-1 is required to be connected with the connecting flange 107 on the circulation pipe 106, so that the high-pressure oil does not leak to the circulation pipe 106 when the whole machine operates, thereby not causing flow disturbance to the operation main pipe, the defects related to the high-pressure oil supply pipe 103 can be processed on the same day of shutdown, and the pumps do not need to be stopped, so that the safety and the efficiency are improved.
Example 2
Referring to fig. 1 and 3, a second embodiment of the present invention, which is different from the first embodiment, is: the upper end of the supporting plate 106b is provided with a clamping plate 106b-1, the clamping plate 106b-1 is of a U-shaped structure, the clamping plate 106b-1 is movably connected with the circulating pipe 106, one side of the upper end of the clamping plate 106b-1 is provided with a threaded hole 106b-11, one side of the clamping plate 106b-1, which is far away from the threaded hole 106b-11, is movably penetrated with a locking bolt 106b-22, the locking bolt 106b-22 is in threaded connection with the threaded hole 106b-11, an inclined reinforcing rib 106b-2 is arranged between the clamping plate 106b-1 and the supporting plate 106b, and the supporting plate 106b is made of galvanized channel steel.
The clamping plate 106b-1 is of a U-shaped structure and can be better matched with the circulating pipe 106, so that after the circulating pipe 106 is limited at the inner side of the clamping plate 106b-1, the phenomenon of left-right shaking is avoided, when the circulating pipe 106 is placed inside the clamping plate 106b-1, the locking bolts 106b-22 can be used to penetrate through the threaded holes 106b-11, so that the locking bolts 106b-22 can be limited and fixed at the upper end of the circulating pipe 106 to prevent the circulating pipe 106 from being separated from the inner side of the clamping plate 106b-1, the supporting plate 106b can fixedly support the clamping plate 106b-1, the supporting area of the lower end of the clamping plate 106b-1 can be increased in the middle of the supporting plate 106b by the aid of the installed reinforcing ribs 106b-2, overall supporting strength is improved, and the galvanized channel steel has good corrosion resistance and abrasion resistance and can be used safely in severe environments or normal environments.
Example 3
Referring to fig. 1 and 2, a third embodiment of the present invention is different from the first two embodiments: the middle of the connecting flange 107 is provided with a positioning short pipe 107a, two sides of the positioning short pipe 107a are welded with sealing flanges 107b, the sealing flanges 107b are matched with the connecting flange 107, and the two are jointed and detachably connected.
When the positioning short pipe 107a needs to be installed, the sealing flanges 107b on two sides of the positioning short pipe 107a can be aligned with the connecting flange 107, locking and fixing are carried out by utilizing locking parts such as bolts, the blocking plate 106c-1 and the manual door 106c on the circulating pipe 106 are removed after shutdown, then the positioning short pipe 107a is communicated, after the sealing flange 107b is confirmed to be connected with the connecting flange 107, the control valve 103a on the high-pressure oil supply pipe 103 is closed, the ball valve 106a on the circulating pipe 106 is opened, the jetted high-pressure oil flows out of the circulating pipe 106 and returns to the oil tank through the low-pressure oil return pipe 105, and at the moment, a high-pressure oil user and auxiliary pipelines thereof can be directly overhauled.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a steam turbine oil plant with high-low pressure oil separator which characterized in that: comprises the following steps of;
oil tank subassembly (100), it includes turbine oil tank (101), low pressure oil supplies oil pipe (102), high pressure oil supplies oil pipe (103), high pressure oil returns oil pipe (104), low pressure oil returns oil pipe (105), circulating pipe (106) and flange (107), lower extreme one side of turbine oil tank (101) is connected with low pressure oil and supplies oil pipe (102), the upper end intermediate junction of turbine oil tank (101) has high pressure oil to supply oil pipe (103), upper end one side of turbine oil tank (101) is connected with high pressure oil and returns oil pipe (104), one side that high pressure oil returned oil pipe (104) was kept away from to turbine oil tank (101) upper end is connected with low pressure oil and returns oil pipe (105), be connected with between low pressure oil returned oil pipe (105) and high pressure oil supply oil pipe (103) circulating pipe (106), flange (107) are installed to the centre symmetry of circulating pipe (106).
2. The turbine oil unit with high and low pressure oil separation unit of claim 1, wherein: and a control valve (103a) is arranged in the middle of the high-pressure oil supply pipe (103).
3. The turbine oil unit with high and low pressure oil separation unit of claim 1, wherein: ball valves (106a) are installed on two sides of the circulating pipe (106), a supporting plate (106b) is installed at the lower end of the circulating pipe (106), and a manual door (106c) is installed on one side, close to the connecting flange (107), of the circulating pipe (106).
4. The turbine oil unit with high and low pressure oil separation unit of claim 3, wherein: the upper end of the supporting plate (106b) is provided with a clamping plate (106b-1), and an inclined reinforcing rib (106b-2) is arranged between the clamping plate (106b-1) and the supporting plate (106 b).
5. The turbine oil unit with high and low pressure oil separation unit according to claim 3 or 4, wherein: the support plate (106b) is made of galvanized steel channel.
6. The turbine oil unit with high and low pressure oil separation unit of claim 4, wherein: the clamping plate (106b-1) is of a U-shaped structure, and the clamping plate (106b-1) is movably connected with the circulating pipe (106).
7. The turbine oil unit with high and low pressure oil separating means as claimed in claim 4 or 6, wherein: one side of the upper end of the clamping plate (106b-1) is provided with a threaded hole (106b-11), one side, far away from the threaded hole (106b-11), of the clamping plate (106b-1) is movably provided with a locking bolt (106b-22) in a penetrating mode, and the locking bolt (106b-22) is in threaded connection with the threaded hole (106 b-11).
8. The turbine oil unit with high and low pressure oil separation unit of claim 3, wherein: one side of the manual door (106c) is provided with a blocking plate (106c-1), and the blocking plate (106c-1) is movably connected with the connecting flange (107).
9. The turbine oil unit with high and low pressure oil separation unit of claim 1, wherein: and a positioning short pipe (107a) is arranged in the middle of the connecting flange (107), and sealing flanges (107b) are welded on two sides of the positioning short pipe (107 a).
10. The turbine oil unit with high and low pressure oil separation unit of claim 9, wherein: the sealing flange (107b) is matched with the connecting flange (107), and the sealing flange and the connecting flange are attached to each other and detachably connected.
CN202220546383.2U 2022-03-14 2022-03-14 Steam turbine oil device with high-low pressure oil separation device Active CN217327443U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220546383.2U CN217327443U (en) 2022-03-14 2022-03-14 Steam turbine oil device with high-low pressure oil separation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220546383.2U CN217327443U (en) 2022-03-14 2022-03-14 Steam turbine oil device with high-low pressure oil separation device

Publications (1)

Publication Number Publication Date
CN217327443U true CN217327443U (en) 2022-08-30

Family

ID=83002323

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220546383.2U Active CN217327443U (en) 2022-03-14 2022-03-14 Steam turbine oil device with high-low pressure oil separation device

Country Status (1)

Country Link
CN (1) CN217327443U (en)

Similar Documents

Publication Publication Date Title
CN101184911B (en) System used for providing continuous lubrication to bearing and bearing device of turbocharger
DE69010127T2 (en) Compensating piston and sealing arrangement.
DE102011052244A1 (en) A system and method for controlling the leakage of vapor to the sealing steam manifold / distributor to improve steam turbine performance
CN217327443U (en) Steam turbine oil device with high-low pressure oil separation device
JP2010255616A (en) Centrifugal pump integrated with motor
US7913815B2 (en) Automated seal oil by-pass system for hydrogen cooled generators
US20090297368A1 (en) Single Piece Water Over Air Intercooler for a Reciprocating Air Compressor
CN101449051A (en) Fuel injection system used in large two-stroke diesel engine
CN201027659Y (en) Serum recirculating pump used for single housing flue gas desulfurization
CN113771216A (en) Liquid lubricating cooling sealing stirring device
CN105370564A (en) Gear pump front cover with overflow protecting function
CN205154616U (en) Gear pump protecgulum with overflow protect function
RU2285825C1 (en) System for sealing and lubricating of charger of gas-transfer set
CN204402576U (en) Steam turbine oil cylinder sealing gland
SU1013700A1 (en) Oil cooling device
CN216578502U (en) Liquid lubricating cooling sealing stirring device
CN216952556U (en) Lubricating oil supply system of multi-centrifugal compressor unit
CN219548948U (en) Engine and main bearing structure of bearing of engine
SU1244359A1 (en) Turbine-generator set oil feed system
US11674600B2 (en) Assembly, more particularly turbomachine, comprising a shaft seal device
CN220956889U (en) Self-sealing power station valve with filter screen
KR200240260Y1 (en) Appropriate amount supply of engine oil
CN201363317Y (en) Cooling water cavity inlet and outlet structure for vertical shaft mixing pump
JPH04116680U (en) Piston rod sealing device for reciprocating compressor
CN116877417A (en) Crosshead box and plunger pump

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant