CN217233606U

CN217233606U - Back pressure type steam turbine shaft seal steam leakage recovery device

Info

Publication number: CN217233606U
Application number: CN202220469827.7U
Authority: CN
Inventors: 高智; 王太斌; 韩凯强; 朱上宇; 谢龙
Original assignee: Xi'an Lianchuang Distributed Renewable Energy Research Institute Co ltd
Current assignee: Xi'an Lianchuang Distributed Renewable Energy Research Institute Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-19
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a back pressure steam turbine shaft seal steam leakage recovery device, which comprises a recovery device and a moving mechanism; the bottom of the recovery equipment is connected with a base, and the bottoms of the two sides of the base are connected with supporting plates; the moving mechanism is arranged between the base and the supporting plate; the side wall of the recovery equipment is also provided with a mounting plate, the mounting plate is provided with a through hole, and the outer side wall of the through hole is provided with a fixing element connected with the input pipe and the output pipe. Insert arc limiting plate inner chamber through the input tube left end that will have the connecting block, then rotate the input tube, the connecting block that makes the input tube both sides supports the locating piece respectively, then the spacing bolt is rotated to the rethread, make limiting screw drive the fixture block and remove in vertical direction, make the fixture block joint correspond the draw-in groove of position, thereby realize being connected of arc limiting plate and connecting block, and then realize being connected of arc limiting plate and input tube, and through the joint of second sealing strip with the second seal groove, can realize the input tube and seal of mounting panel.

Description

Back pressure steam turbine shaft seal leaks vapour recovery unit

Technical Field

The invention belongs to the technical field of recovery equipment, and relates to a back pressure type steam turbine shaft seal steam leakage recovery device.

Background

The back pressure type industrial steam turbine is widely applied to various fields of industrial production, is used for dragging various rotating equipment, and has the characteristics of no power consumption, high reliability, flexible and convenient use and the like. When the shaft seal leakage of the back pressure type industrial steam turbine is not recovered, working medium and heat loss exist, lubricating oil in bearing chambers arranged in the front and the rear of a unit is deteriorated due to steam condensation, and the overall environment temperature of a steam turbine room is increased due to the fact that the steam containing high heat leaks outwards, and the working environment is severe.

The existing steam leakage recovery device occupies a large area, so that workers are inconvenient to carry, and the labor force of the workers is increased. Therefore, the shaft seal leakage recovery device of the back pressure steam turbine is provided for solving the problems.

Disclosure of Invention

The invention aims to provide a back pressure type steam turbine shaft seal steam leakage recovery device, which solves the problem that the steam leakage recovery device in the prior art is inconvenient to carry.

The technical scheme adopted by the invention is that the back pressure type steam turbine shaft seal steam leakage recovery device comprises recovery equipment and a moving mechanism; the bottom of the recovery equipment is connected with a base, and the bottoms of the two sides of the base are connected with supporting plates; the moving mechanism is arranged between the base and the supporting plate; the side wall of the recovery equipment is also provided with a mounting plate, the mounting plate is provided with a through hole, and the outer side wall of the through hole is provided with a fixing element for connecting the input pipe and the output pipe.

The moving mechanism comprises a motor fixedly arranged in the groove of the base; an output shaft of the motor is connected with one end of a threaded rod, and the other end of the threaded rod is rotationally connected with the side wall of the groove of the base; the threaded rod is also sleeved with two moving plates;

the moving mechanism further comprises a lifting plate, pulleys are mounted at the bottom of the lifting plate, one side of the lifting plate is connected with a limiting block, and the limiting block is connected in the limiting groove in a sliding manner; the other side of the lifting plate is hinged with one end of the rotating plate, and the other end of the rotating plate is hinged with a movable plate; the other plate connects the same above structure.

The side walls of the recovery equipment and the mounting plate are also provided with a first sealing groove, the inner cavity of the first sealing groove is clamped with a first sealing strip, and the first sealing strip is fixedly sleeved on the outer wall of the mounting plate.

The through hole of the mounting plate, which is connected with the input pipe and the output pipe, is also internally provided with a filter plate.

The end parts of the input pipe and the output pipe have the same structure and are connected with connecting blocks, and the middle parts of the connecting blocks are also provided with clamping grooves.

The fixing element comprises two arc limiting plates with the same structure, the arc limiting plates are fixedly connected with the mounting plate, and the radians of the arc limiting plates are matched with the input pipe or the output pipe; the inner wall of the arc limiting plate is also provided with a positioning block; the top of the arc-shaped limiting plate is provided with a threaded hole, a limiting bolt is arranged in the threaded hole, and the tail end of the limiting bolt is also provided with a clamping block.

Two arc limiting plates with the same structure are oppositely arranged to clamp and limit the input pipe or the output pipe.

And a second sealing groove is formed in the contact part of the input pipe or the output pipe and the mounting plate, and a second sealing strip is arranged in the second sealing groove.

The invention has the beneficial effects that:

1. the device is simple to operate, the output end of the rotating motor is started to drive the threaded rod to rotate, the two moving plates in threaded fit with the threaded rod are close to each other, the two moving plates respectively pull the top ends of the rotating plates to be close to each other, the two rotating plates pull the lifting plate, the lifting plate is limited by the limiting blocks and the limiting grooves, the lifting plate is enabled to vertically move upwards, the lifting plate drives the pulley to move upwards until the pulley is separated from the ground, at the moment, the device can be fixed, the device can be moved and fixed by controlling the position of the pulley, the device is convenient to convey, and the labor force of workers in carrying is reduced,

2. this application is rational in infrastructure, insert arc limiting plate inner chamber through the input tube left end that will have the connecting block, then rotate the input tube, the connecting block that makes the input tube both sides supports the locating piece respectively, then the rethread rotates spacing bolt, make limit screw drive the fixture block and remove in vertical direction, make the draw-in groove that the fixture block joint corresponds the position, thereby realize being connected of arc limiting plate and connecting block, and then realize being connected of arc limiting plate and input tube, and through the joint of second sealing strip with the second seal groove, can realize the sealed of input tube and mounting panel.

Drawings

FIG. 1 is a schematic perspective view of a shaft seal leakage recovery device of a back pressure turbine according to the present application,

FIG. 2 is a schematic view of the internal structure of the back pressure turbine shaft seal leakage recovery device of the present application,

figure 3 is a schematic view of a part of the enlarged structure at a in figure 2,

FIG. 4 is this application back pressure steam turbine bearing seal leaks vapour recovery unit's arc limiting plate inner structure side view.

In the figure: 1. the recycling device comprises a recycling device, 2, an installation plate, 3, a first sealing groove, 4, a first sealing strip, 5, an input pipe, 6, an arc limiting plate, 7, an output pipe, 8, a limiting bolt, 9, a base, 10, a supporting plate, 11, a limiting block, 12, a limiting groove, 13, a lifting plate, 14, a rotating plate, 15, a rotating motor, 16, a threaded rod, 17, a groove, 18, a moving plate, 19, a pulley, 20, a positioning block, 21, a connecting block, 22, a clamping block, 23, a second sealing strip, 24, a second sealing groove, 25, a clamping groove and 26, and a filter plate.

Detailed Description

The invention is described in detail below with reference to the drawings and the detailed description.

As shown in fig. 1-2, a back pressure steam turbine shaft seal steam leakage recovery device is characterized by comprising a recovery device 1 and a moving mechanism; the bottom of the recovery equipment 1 is connected with a base 9, and the bottoms of two sides of the base 9 are connected with supporting plates 10; the moving mechanism is arranged between the base 9 and the supporting plate 10; the side wall of the recovery equipment 1 is also provided with a mounting plate 2, the mounting plate 2 is provided with a through hole, and the outer side wall of the through hole is provided with a fixing element for connecting an input pipe 5 and an output pipe 7.

The moving mechanism comprises a motor 15 fixedly arranged in a groove of the base 9; an output shaft of the motor 15 is connected with one end of a threaded rod 16, and the other end of the threaded rod 16 is rotationally connected with the side wall of the groove of the base 9; the threaded rod 16 is also sleeved with two moving plates 18;

the moving mechanism further comprises a lifting plate 13, a pulley 19 is mounted at the bottom of the lifting plate 13, one side of the lifting plate 13 is connected with a limiting block 11, and the limiting block 11 is connected in a limiting groove 12 in a sliding manner; the other side of the lifting plate 13 is hinged with one end of a rotating plate 14, and the other end of the rotating plate 14 is hinged with a movable plate 18; the other plate 18 is connected to the same structure as described above. The number of the pulleys 19 is four, and the top ends of the four pulleys 19 are respectively arranged at the front side and the rear side of the bottom ends of the two lifting plates 13.

The side wall of recovery plant 1 and mounting panel 2 has still opened

first seal groove

3, and 3 inner chamber joint first sealing strip 4 of first seal groove, first sealing strip 4 is fixed to be cup jointed at the 2 outer walls of mounting panel.

The through holes of the mounting plate 2 connected with the input pipe 5 and the output pipe 7 are also provided with filter plates 26.

The end parts of the input pipe 5 and the output pipe 7 have the same structure and are connected with a connecting block 21, and the middle part of the connecting block 21 is also provided with a clamping groove 25.

As shown in fig. 3-4, the fixing element includes two arc-shaped limiting plates 6 with the same structure, the arc-shaped limiting plates 6 are fixedly connected with the mounting plate 2, and the radian of the arc-shaped limiting plates 6 is matched with that of the input pipe 5 or the output pipe 7; the inner wall of the arc limiting plate 6 is also provided with a positioning block 20; the top of the arc-shaped limiting plate 6 is provided with a threaded hole, the limiting bolt 8 is arranged in the threaded hole, and the tail end of the limiting bolt 8 is also provided with a clamping block 22.

Two arc limiting plates 6 with the same structure are oppositely arranged to clamp and limit the input pipe 5 or the output pipe 7.

And a second sealing groove 24 is formed at the contact part of the input pipe 5 or the output pipe 7 and the mounting plate 2, and a second sealing strip 23 is arranged in the second sealing groove 24.

When the utility model is used, the electrical components in the application are externally connected with a power supply and a control switch, the electrical components are moved to an appointed steam leakage recovery area through a pulley 19 pushing device, the output end of a rotating motor 15 is started to drive a threaded rod 16 to rotate, two moving plates 18 which are in threaded fit with the threaded rod 16 are close to each other, the two moving plates 18 respectively pull the top ends of rotating plates 14 to be close to each other, two rotating plates 14 pull a lifting plate 13, the lifting plate 13 is limited by a limiting block 11 and a limiting groove 12 at the same time, the lifting plate 13 is vertically moved upwards, so that the lifting plate 13 drives the pulley 19 to move upwards until the pulley 19 is separated from the ground, at the moment, the fixation of the device can be realized, the movement and fixation of the device can be realized by controlling the position of the pulley 19, the conveying of the device is convenient, the labor force of workers is reduced, through the arrangement of a mounting plate 2, the sealing connection between the mounting plate 2 and the recovery equipment 1 is realized through the connection between the first sealing strip 4 and the first sealing groove 3, the mounting plate 2 is convenient to detach, the connecting block 21 drives the left end of the input pipe 5 to be inserted into the inner cavity of the arc-shaped limiting groove 12, then the input pipe 5 is rotated, the connecting blocks 21 on the two sides of the input pipe 5 respectively abut against the positioning block 20, then the limiting bolt 8 is rotated, the limiting screw drives the clamping block 22 to move in the vertical direction, the clamping block 22 is clamped with the clamping groove 25 on the corresponding position, so that the connection between the arc-shaped limiting plate 6 and the connecting block 21 is realized, the connection between the arc-shaped limiting plate 6 and the input pipe 5 is further realized, the input pipe 5 and the mounting plate 2 can be sealed through the clamping connection between the second sealing strip 23 and the second sealing groove 24, the mounting mode of the output pipe 7 is the same, so that the mounting and the dismounting of the input pipe 5 and the output pipe 7 can be convenient, thereby facilitating maintenance of the inlet pipe 5 and the outlet pipe and cleaning of the filter sheet 26.

Claims

1. A back pressure steam turbine shaft seal steam leakage recovery device is characterized by comprising recovery equipment (1) and a moving mechanism; the bottom of the recovery device (1) is connected with a base (9), and the bottoms of the two sides of the base (9) are connected with supporting plates (10); the moving mechanism is arranged between the base (9) and the supporting plate (10); the recycling equipment (1) side wall is further provided with a mounting plate (2), the mounting plate (2) is provided with a through hole, and the outer side wall of the through hole is provided with a fixing element for connecting the input pipe (5) and the output pipe (7).

2. The back pressure turbine shaft seal steam leakage recovery device according to claim 1, wherein the moving mechanism comprises a motor (15) fixedly arranged in a groove of the base (9); an output shaft of the motor (15) is connected with one end of a threaded rod (16), and the other end of the threaded rod (16) is rotatably connected with the side wall of the groove of the base (9); the threaded rod (16) is also sleeved with two moving plates (18);

the moving mechanism further comprises a lifting plate (13), a pulley (19) is mounted at the bottom of the lifting plate (13), one side of the lifting plate (13) is connected with a limiting block (11), and the limiting block (11) is connected in a limiting groove (12) in a sliding manner; the other side of the lifting plate (13) is hinged with one end of the rotating plate (14), and the other end of the rotating plate (14) is hinged with a moving plate (18).

3. The back pressure steam turbine shaft seal steam leakage recovery device according to claim 1, characterized in that the side walls of the recovery equipment (1) and the mounting plate (2) are further provided with a first sealing groove (3), the inner cavity of the first sealing groove (3) is clamped with a first sealing strip (4), and the first sealing strip (4) is fixedly sleeved on the outer wall of the mounting plate (2).

4. The back pressure turbine shaft seal steam leakage recovery device according to claim 1, characterized in that a filter plate (26) is further arranged in the through hole of the mounting plate (2) connected with the input pipe (5) and the output pipe (7).

5. The back pressure turbine shaft seal steam leakage recovery device according to claim 1, characterized in that the end parts of the input pipe (5) and the output pipe (7) have the same structure, and are connected with a connecting block (21), and the middle part of the connecting block (21) is provided with a clamping groove (25).

6. The back pressure steam turbine shaft seal steam leakage recovery device according to claim 1, wherein the fixing element comprises two arc-shaped limiting plates (6) with the same structure, the arc-shaped limiting plates (6) are fixedly connected with the mounting plate (2), and the radian of the arc-shaped limiting plates (6) is matched with the input pipe (5) or the output pipe (7); the inner wall of the arc limiting plate (6) is also provided with a positioning block (20); the top of the arc-shaped limiting plate (6) is provided with a threaded hole, a limiting bolt (8) is arranged in the threaded hole, and the tail end of the limiting bolt (8) is also provided with a clamping block (22).

7. The back pressure turbine shaft seal steam leakage recovery device according to claim 6, wherein the two arc-shaped limiting plates (6) with the same structure are oppositely arranged to clamp and limit the input pipe (5) or the output pipe (7).

8. A back pressure steam turbine shaft seal steam leakage recovery device according to claim 6, characterized in that a second sealing groove (24) is further formed at the contact position of the input pipe (5) or the output pipe (7) and the mounting plate (2), and a second sealing strip (23) is arranged in the second sealing groove (24).