CN112474661A - Cleaning device and cleaning method for bearing box of steam turbine - Google Patents

Cleaning device and cleaning method for bearing box of steam turbine Download PDF

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Publication number
CN112474661A
CN112474661A CN202011349901.3A CN202011349901A CN112474661A CN 112474661 A CN112474661 A CN 112474661A CN 202011349901 A CN202011349901 A CN 202011349901A CN 112474661 A CN112474661 A CN 112474661A
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CN
China
Prior art keywords
oil
collecting tank
shoveling plate
steam turbine
bearing box
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Granted
Application number
CN202011349901.3A
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Chinese (zh)
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CN112474661B (en
Inventor
贾明祥
刘丽春
骆贵兵
舒进
陈坤
崔来建
崔光明
杨辉
李冰心
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Xian Thermal Power Research Institute Co Ltd
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Xian Thermal Power Research Institute Co Ltd
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Priority to CN202011349901.3A priority Critical patent/CN112474661B/en
Publication of CN112474661A publication Critical patent/CN112474661A/en
Application granted granted Critical
Publication of CN112474661B publication Critical patent/CN112474661B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Abstract

The cleaning device comprises an oil collecting tank and an oil shoveling plate connected to the front end of the oil collecting tank, the oil collecting tank is connected with an operating rod, the moving direction of the oil shoveling plate can be controlled through the operating rod, residual oil in the bearing box can be collected into the oil collecting tank through the oil shoveling plate, the oil collecting tank is connected with an oil return tank through an oil pumping pipe, and the oil pumping pipe is connected with an oil suction bag. The invention also provides a cleaning method using the cleaning device for the bearing box of the steam turbine. The cleaning device for the bearing box of the steam turbine is flexible to move, and the control lever can control the moving direction of the oil shoveling plate, so that the cleaning of different bearing boxes is facilitated. Compared with manual cleaning, the cleaning method of the cleaning device for the bearing box of the steam turbine has high efficiency, saves time and labor, replaces the traditional mode that personnel enters limited space for operation, and reduces the labor cost.

Description

Cleaning device and cleaning method for bearing box of steam turbine
Technical Field
The invention belongs to the field of steam turbines, and particularly relates to a cleaning device and a cleaning method for a steam turbine bearing box.
Background
The steam turbine is a rotary steam power device, and utilizes high-temperature high-pressure steam to convert the internal energy of the steam into mechanical energy, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Since the steam turbine rotates under high temperature and high pressure, the function of the bearing is important, and the bearing is lubricated and cooled by lubricating oil. Lubricating oil enters the interior of the bearing after passing through the bearing box from the outlet of the lubricating oil pump, return oil directly returns to the bearing box and returns to the oil tank along the oil return pipe, and circulation is completed. The quality of the lubricating oil has great influence on the safe and economic operation of the whole turbine. The bearing box is dirty to cause the poor oil quality will directly lead to the axle bush wearing and tearing, causes equipment damage, and the cleanness of bearing box is crucial.
Before the unit starts and need clear up the bearing box in the maintenance process, most of present maintenance scene all adopt the artifical mode that gets into the bearing box clearance, and this mode has more shortcoming: firstly, the volume of the bearing box body is limited, and the manual work of entering the bearing box is difficult; at present, bearing boxes of 660MW or 1000MW steam turbine units are relatively large, but the size of the bearing box bodies is limited after the rotor is installed back, and only workers with thin bodies can enter the bearing boxes for cleaning. The sizes of the bearing boxes are different when the units are different in size, and for small units, the bearing boxes are smaller in size and difficult to enter the bearing boxes for manual operation; secondly, when the bearing box is manually cleaned, the bearing box is not good in working cleaning effect, and residual pollutants are easy to exist; thirdly, manual cleaning takes longer time and has lower efficiency.
Disclosure of Invention
The invention aims to solve the problems of inconvenience in cleaning of a steam turbine bearing box and low efficiency in the prior art, and provides a cleaning device and a cleaning method for the steam turbine bearing box, which are high in cleaning quality, good in cleaning effect and capable of reducing labor cost.
In order to achieve the purpose, the invention has the following technical scheme:
the utility model provides a steam turbine bearing box cleaning device, includes the sump oil tank and connects the shovel oiled-plate at the sump oil tank front end, and the control rod is connected to the sump oil tank, can control the moving direction of shovel oiled-plate through the control rod, and the shovel oiled-plate can be collected the residual oil in the bearing box to the sump oil tank in the middle of, and the sump oil tank is connected with back oil tank through taking out oil pipe, is connected with the oil pocket of inhaling on the oil pipe.
Preferably, the side of the front end of the oil collecting tank is provided with a notch, the oil shoveling plate is hinged to the bottom edge of the notch of the oil collecting tank, the oil shoveling plate is connected with the operating rod through a traction rope, and the traction rope can pull the oil shoveling plate to turn over the oil collecting tank.
Preferably, the two side edges of the oil shoveling plate are connected with the two side edges at the position of the gap of the oil collecting tank through the folding baffle plate.
Preferably, the shaft of the joystick is provided with a universal swivel head.
Preferably, the tail end of the operating rod is provided with a handle, the handle is provided with a traction clamp, and the traction rope is connected to the traction clamp through a combined pulley.
Preferably, the handle is a straight line, the operating rod is connected in the middle of the handle, and the traction clamp is arranged on one side of the handle.
Preferably, the oil collecting tank is internally provided with oil absorption cotton, and the inner surface of the oil shoveling plate is provided with a clamping rod.
Preferably, the oil suction bag is detachably connected to the oil suction pipe.
The invention also provides a cleaning method based on the turbine bearing box cleaning device, which comprises the following steps:
adjusting the direction of the oil shoveling plate to move;
collecting residual oil in the bearing box into an oil collecting tank through an oil shoveling plate;
the residual oil in the oil collecting tank is recovered to the oil return tank through the oil suction bag.
Preferably, the oil shoveling plate is pulled up through the traction rope, and the clamping rod on the inner surface of the oil shoveling plate extrudes the oil absorption cotton in the oil collecting tank, so that residual oil is released.
Compared with the prior art, the invention has the following beneficial effects: this steam turbine bearing box cleaning device removes in a flexible way, can control the moving direction of shovel oiled-plate through the control rod, and the clearance of the different bearing boxes of being convenient for is used. Compare artifical clearance, the device's use has the high efficiency, labour saving and time saving. The invention replaces the prior mode of entering limited space operation by personnel, thereby reducing the labor cost. The invention can not cause secondary pollution to the bearing box in the cleaning process.
Furthermore, the universal rotating head is arranged on the rod body of the operating rod, so that dead corners can be cleaned, and the cleaning effect is ensured.
Furthermore, the oil absorption bag is detachably connected, and the size of the oil absorption bag can be replaced.
Drawings
FIG. 1 is a schematic view showing the overall structure of a cleaning apparatus for a bearing housing of a steam turbine according to the present invention;
in the drawings: 1-oil shovelling plate; 2-folding the baffle; 3-an oil collecting tank; 4-oil pumping pipe; 5-supporting the framework; 6-oil absorption bag; 7-an oil return tank; 8-a hauling rope; 9-oil absorbent cotton; 10-a clamping bar; 11-a joystick; 12-universal swivel head.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the cleaning device for the bearing box of the steam turbine comprises an oil collecting tank 3 and an oil shoveling plate 1 connected to the front end of the oil collecting tank 3, wherein a notch is formed in the side surface of the front end of the oil collecting tank 3, the oil shoveling plate 1 is hinged to the bottom edge of the notch of the oil collecting tank 3, and two side edges of the oil shoveling plate 1 are connected with two side edges of the notch of the oil collecting tank 3 through folding baffles 2. The control rod 11 is connected to sump oil tank 3, is connected shovel oilplate 1 and control rod 11 through haulage rope 8, and haulage line 8 can stimulate shovel oilplate 1 and do the upset action to sump oil tank 3, and the end of control rod 11 is provided with the handle, is equipped with on the handle to pull and presss from both sides, and haulage rope 8 is connected to through the combination pulley and pulls and press from both sides. The universal rotating head 12 is arranged on the rod body of the operating rod 11, the moving direction of the oil shoveling plate 1 can be controlled through the operating rod 11, the oil shoveling plate 1 can collect residual oil in the bearing box into the oil collecting tank 3, the oil collecting tank 3 is connected with the oil return tank 7 through the oil pumping pipe 4, and the oil pumping pipe 4 is connected with the oil sucking bag 6. The handle is a straight line shape, the operating rod 11 is connected in the middle of the handle, the traction clamp is arranged on one side of the handle, and the oil suction bag 6 is arranged on the other side of the handle. The oil collecting tank 3 is provided with oil absorption cotton 9, and the inner surface of the oil shoveling plate 1 is provided with a clamping rod 10. The oil suction bag 6 is detachably connected to the oil pumping pipe 4, and the size of the oil suction bag can be changed.
The invention also provides a cleaning method using the cleaning device for the bearing box of the steam turbine, which comprises the following steps:
(1) adjusting the direction of the oil shoveling plate 1 to move;
(2) collecting residual oil in the bearing box into an oil collecting tank 3 through an oil shoveling plate 1;
(3) the oil shoveling plate 1 is pulled up through the hauling rope 8, and the clamping rods 10 on the inner surface of the oil shoveling plate 1 extrude the oil absorption cotton 9 in the oil collecting tank 3, so that residual oil is released. The residual oil in the oil collecting tank 3 is recovered to the oil return tank 7 through the oil suction bag 6.
The cleaning device is flexible in overall movement and convenient for cleaning different bearing boxes. The moving direction of the oil shoveling plate can be adjusted, and dead angles can be cleaned. Compared with manual cleaning, the cleaning process is more efficient, time-saving and labor-saving, manual limited space operation is not needed, labor cost is reduced, and secondary pollution to the bearing box cannot be caused in the cleaning process.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and it should be understood by those skilled in the art that the technical solution can be modified and replaced by a plurality of simple modifications and replacements without departing from the spirit and principle of the present invention, and the modifications and replacements also fall into the protection scope covered by the claims.

Claims (10)

1. The utility model provides a steam turbine bearing box cleaning device which characterized in that: the oil-collecting device comprises an oil collecting tank (3) and an oil shoveling plate (1) connected to the front end of the oil collecting tank (3), wherein the oil collecting tank (3) is connected with an operating rod (11), the moving direction of the oil shoveling plate (1) can be controlled through the operating rod (11), the oil shoveling plate (1) can collect residual oil in a bearing box into the oil collecting tank (3), the oil collecting tank (3) is connected with an oil returning tank (7) through an oil pumping pipe (4), and the oil pumping pipe (4) is connected with an oil sucking bag (6).
2. The steam turbine bearing housing cleaning apparatus of claim 1, wherein: the side face of the front end of the oil collecting tank (3) is provided with a notch, the oil shoveling plate (1) is hinged to the bottom edge of the notch of the oil collecting tank (3), the oil shoveling plate (1) is connected with the operating rod (11) through the traction rope (8), and the traction rope (8) can pull the oil shoveling plate (1) to turn over the oil collecting tank (3).
3. The steam turbine bearing housing cleaning apparatus of claim 2, wherein:
the two side edges of the oil shoveling plate (1) are connected with the two side edges of the gap position of the oil collecting tank (3) through the folding baffle (2).
4. The steam turbine bearing housing cleaning apparatus of claim 2, wherein:
a universal rotating head (12) is arranged on the shaft of the operating lever (11).
5. The steam turbine bearing housing cleaning apparatus of claim 2, wherein: the tail end of the operating rod (11) is provided with a handle, the handle is provided with a traction clamp, and the traction rope (8) is connected to the traction clamp through a combined pulley.
6. The steam turbine bearing housing cleaning apparatus of claim 5, wherein:
the handle be the style of calligraphy, control lever (11) are connected in the centre of handle, pull the clamp and set up one side at the handle.
7. The steam turbine bearing housing cleaning apparatus of claim 1, wherein:
the oil collecting tank (3) is provided with oil absorption cotton (9), and the inner surface of the oil shoveling plate (1) is provided with a clamping rod (10).
8. The steam turbine bearing housing cleaning apparatus of claim 1, wherein:
the oil suction bag (6) is detachably connected to the oil pumping pipe (4).
9. A method of cleaning a steam turbine bearing housing cleaning apparatus according to any one of claims 1 to 8, comprising the steps of:
the direction of the oil shoveling plate (1) is adjusted to move;
residual oil in the bearing box is collected into an oil collecting tank (3) through an oil shoveling plate (1);
residual oil in the oil collecting tank (3) is recovered to the oil return tank (7) through the oil suction bag (6).
10. A method of cleaning as claimed in claim 9, wherein: the oil shoveling plate (1) is pulled up through the hauling rope (8), and the oil absorption cotton (9) in the oil collecting tank (3) is extruded by the clamping rod (10) on the inner surface of the oil shoveling plate (1) to release residual oil.
CN202011349901.3A 2020-11-26 2020-11-26 Turbine bearing box cleaning device and cleaning method Active CN112474661B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011349901.3A CN112474661B (en) 2020-11-26 2020-11-26 Turbine bearing box cleaning device and cleaning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011349901.3A CN112474661B (en) 2020-11-26 2020-11-26 Turbine bearing box cleaning device and cleaning method

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CN112474661B CN112474661B (en) 2024-02-23

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Cited By (2)

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CN113463294A (en) * 2021-06-30 2021-10-01 福州帝豪服饰有限公司 Oil storage tank, oil storage lubricating device and sewing machine
CN115072831A (en) * 2022-07-18 2022-09-20 王宏勋 Environment-friendly and energy-saving treatment method for catering oily water

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