CN218563720U

CN218563720U - Steam extraction back pressure type steam turbine

Info

Publication number: CN218563720U
Application number: CN202222686982.7U
Authority: CN
Inventors: 林祖统
Original assignee: Hangzhou Leda Machinery Equipment Co ltd
Current assignee: Hangzhou Leda Machinery Equipment Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-03
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a steam extraction back pressure steam turbine, relating to the technical field of steam turbines; the utility model discloses a base, the top of base fixedly connected with shell, and be provided with the steam turbine body in the shell, the one end of shell is provided with apron and two observation windows, the one end fixedly connected with cleaning device of shell, the both ends of shell alternate respectively and are equipped with intake pipe and outlet duct, and intake pipe and outlet duct's opposite face one end all with steam turbine body fixed connection, top one side fixedly connected with water tank of base, and the lower extreme of outlet duct extends to in the water tank, the one end lower part fixedly connected with drain pipe of water tank, the both ends of water tank alternate jointly and are equipped with filtering component; the utility model discloses can be convenient for filter the discharged steam and collect filter assembly simultaneously and be convenient for clear up the change, and under cleaning device's effect, can be convenient for clear up the dust to two observation windows.

Description

Steam extraction back pressure type steam turbine

Technical Field

The utility model relates to a steam turbine technical field specifically is a steam extraction back pressure steam turbine.

Background

The steam turbine is a rotary steam power device, the steam turbine is the main equipment of modern thermal power factory, and the steam extraction back pressure steam turbine is the steam turbine that the result of use is better, and it has the function of steam extraction heat supply, has the characteristics of back pressure heat supply again.

However, the prior art has the following problems:

firstly, the steam turbines are inconvenient to filter and collect the discharged water vapor and the structures for filtering the water vapor are inconvenient to clean and replace;

secondly, the observation window of these steam turbines is inconvenient to be cleared up, has influenced the staff to the observation of steam turbine body.

In view of the above problems, the inventors propose a steam extraction back pressure turbine for solving the above problems.

SUMMERY OF THE UTILITY MODEL

The steam turbine aims to solve the problems that a steam turbine is inconvenient to filter and collect water vapor, a filtering structure is inconvenient to clean and replace, and an observation window is inconvenient to clean; an object of the utility model is to provide a steam extraction back pressure steam turbine.

In order to solve the technical problem, the utility model adopts the following technical scheme: a steam extraction back-pressure steam turbine comprises a base, wherein the top end of the base is fixedly connected with a shell, a steam turbine body is arranged in the shell, one end of the shell is provided with a cover plate and two observation windows, one end of the shell is fixedly connected with a cleaning device, the cleaning device is positioned between the two observation windows, an air inlet pipe and an air outlet pipe are respectively inserted into two ends of the shell, one ends of opposite surfaces of the air inlet pipe and the air outlet pipe are fixedly connected with the steam turbine body, one side of the top end of the base is fixedly connected with a water tank, the lower end of the air outlet pipe extends into the water tank, a drain pipe is fixedly connected to the lower portion of one end of the water tank, valves are arranged at the top ends of the air outlet pipe and the drain pipe, and filter components are inserted into two ends of the water tank together; the filtering component comprises two positioning plates, wherein two clamping grooves are formed in two sides of one end of each opposite surface of the two positioning plates, two buckles matched with the clamping grooves are fixedly connected to two ends of the water tank, one end of each opposite surface of the two positioning plates is fixedly connected with a filtering screen plate, two penetrating grooves matched with the filtering screen plate are formed in two ends of the water tank, two connecting buckles are fixedly connected to one end of one filtering screen plate, two connecting grooves matched with the connecting buckles are formed in one end of the other filtering screen plate, movable grooves are formed in two sides of the top end of each positioning plate, movable blocks are inserted in the movable grooves, telescopic springs are fixedly connected to the inner walls of one sides of the movable grooves, one ends of the telescopic springs are fixedly connected with movable blocks, and the ends of the movable blocks, which are opposite to the telescopic springs, can extend into the clamping grooves and are fixedly connected with stabilizing buckles, and one end of the buckle is provided with a stabilizing groove matched with the stabilizing buckle for use, when in use, the whole steam turbine is placed at a proper working position through the base, then the steam is introduced into the steam turbine body in the shell through the steam inlet pipe, when the steam is discharged from the steam outlet pipe, the steam can enter the water tank, so that the steam can be filtered by two filter screen plates in the filter assembly and collected by the water tank, when the water collected by the water tank needs to be reused, the water in the water tank can be discharged through the drain pipe, when the filter assembly needs to be taken down for cleaning and replacement, the two movable blocks in the same positioning plate can be reversely pushed firstly, so that the two movable blocks move in the two movable grooves respectively, the movable blocks can extrude the telescopic spring and drive the stabilizing buckle to be separated from the stabilizing groove and collected into the movable groove, and then the positioning plate is pulled, make buckle and draw-in groove separation on the water tank to make connector link and spread groove separation, at this moment just can follow and take out the filtration subassembly in wearing the groove on the water tank, thereby can be convenient for clear up the change to the filtration subassembly.

Preferably, cleaning device includes the montant, the montant moves the one end and the shell fixed connection of groove dorsad, and the height of montant is the same with the height of shell, the top fixedly connected with driving motor of montant, the shifting chute has been opened to the one end of montant shell dorsad, it is connected with the threaded rod to rotate between the upper and lower inner wall of shifting chute, driving motor's output extend to in the montant and with threaded rod fixed connection, the movable block has been cup jointed to the surface of threaded rod, the one end of movable block is connected with the connecting block, the equal fixedly connected with mounting panel in both ends of connecting block, two the equal fixedly connected with clearance pad of one end of mounting panel, and the one end that the mounting panel was kept away from to two clearance pads is laminated with two observation windows respectively, when needs clear up the dust to two observation windows, can start driving motor among the cleaning device, make driving motor drive the threaded rod in the montant rotate for the movable block begins to drive the connecting block and reciprocate in the within range of shifting chute, thereby can make two mounting panels drive two clearance pads respectively and reciprocate, so that two observation windows clear up and reciprocate in order to clear up two observation windows.

Preferably, the one end fixedly connected with of movable block is fixed to be detained, and the connecting block is opened towards the one end of montant has the fixed slot of the fixed knot use of detaining of cooperation, open on the top of fixed knot has the slot, and the top of connecting block is inserted and is equipped with the bolt that the cooperation slot used, when the mounting panel is changed with the clearance pad down to needs dismantlement, can pull out the bolt earlier, makes bolt and slot separation, pulls the connecting block again, makes the fixed slot with fixed knot separate with regard to detachable mounting panel and clearance pad, later install new connecting block, mounting panel and clearance pad can.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model can conveniently filter and collect the discharged water vapor by arranging the water tank, the air outlet pipe and the filtering component, and can conveniently detach the filtering component from the water tank under the action of the connecting buckle, the connecting groove, the clamping groove, the buckle, the movable groove, the movable block, the expansion spring, the stabilizing buckle and the stabilizing groove, thereby being convenient for cleaning and replacing the filtering screen plate in the filtering component;

2. the utility model discloses a set up cleaning device, under driving motor, threaded rod, shifting chute, movable block, connecting block and the mounting panel effect wherein, can make two clearance pads reciprocate simultaneously and clear up the dust respectively to two observation windows, avoid dirty observation window to influence the staff and observe the steam turbine body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the filtering assembly of the present invention.

Fig. 3 is a sectional view of a part of the structure of the filtering assembly of the present invention.

Fig. 4 is a schematic view of the structure of the cleaning device of the present invention.

In the figure: 1. a base; 2. a filter assembly; 3. a cleaning device; 4. a housing; 5. a steam inlet pipe; 6. a steam outlet pipe; 7. a water tank; 8. a drain pipe; 9. a cover plate; 10. an observation window; 21. positioning a plate; 22. a filter screen plate; 23. a connecting buckle; 24. a card slot; 25. a movable block; 26. a movable groove; 211. a tension spring; 212. a stabilizing buckle; 31. a vertical rod; 32. a moving block; 33. mounting a plate; 34. a threaded rod; 35. a moving groove; 36. connecting blocks; 37. a bolt; 38. cleaning the pad; 39. a fixing buckle; 301. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in fig. 1-3, the utility model provides a steam extraction back pressure steam turbine, including base 1, base 1's top fixedly connected with shell 4, and be provided with the steam turbine body in the shell 4, shell 4's one end is provided with apron 9 and two observation windows 10, shell 4's one end fixedly connected with cleaning device 3, and cleaning device 3 is located between two observation windows 10, shell 4's both ends are alternated respectively and are equipped with steam inlet pipe 5 and steam outlet pipe 6, and steam inlet pipe 5 and steam outlet pipe 6's opposite face one end all with steam turbine body fixed connection, base 1's top one side fixedly connected with water tank 7, and the lower extreme of steam outlet pipe 6 extends to in the water tank 7, the one end lower part fixedly connected with drain pipe 8 of water tank 7, the both ends of water tank 7 are alternated jointly and are equipped with filter assembly 2; the filtering component 2 comprises two positioning plates 21, two positioning plates 21 are arranged, two clamping grooves 24 are formed in two sides of one end of each opposite surface of each positioning plate 21, two buckles matched with the clamping grooves 24 and used are fixedly connected to two ends of the water tank 7, a filtering screen plate 22 is fixedly connected to one end of each opposite surface of each positioning plate 21, through grooves matched with the filtering screen plate 22 and used are formed in two ends of the water tank 7, movable grooves 26 are formed in two sides of the top end of each positioning plate 21, movable blocks 25 are inserted into the movable grooves 26, telescopic springs 211 are fixedly connected to the inner wall of one side of each movable groove 26, one ends of the telescopic springs 211 are fixedly connected with the movable blocks 25, one ends of the movable blocks 25, opposite to the telescopic springs 211, can extend into the clamping grooves 24 and are fixedly connected with stabilizing buckles 212, stabilizing grooves matched with the stabilizing buckles 212 and used are formed in one ends of the buckles, when the whole steam turbine is used, the whole steam turbine is placed at a proper working position through the base 1, then the steam is introduced into the steam turbine body in the shell 4 through the steam inlet pipe 5, when the steam is discharged from the steam outlet pipe 6, the steam enters into the water tank 7, so as to be filtered by the two filter screen plates 22 in the filter assembly 2 and collected by the water tank 7, when the water collected by the water tank 7 needs to be reused, the water in the water tank 7 can be discharged through the water discharge pipe 8, when the filter assembly 2 needs to be taken down for cleaning and replacement, the two movable blocks 25 in the same positioning plate 21 can be pushed reversely, so that the two movable blocks 25 respectively move in the two movable grooves 26, the movable blocks 25 can extrude the expansion springs 211 and drive the stabilizing buckles 212 to be separated from the stabilizing grooves and collected into the movable grooves 26, then the positioning plate 21 is pulled to separate the buckles on the water tank 7 from the clamping grooves 24, at this time, the filter assembly 2 can be taken out from the through grooves on the water tank 7, thereby facilitating cleaning and replacement of the filter assembly 2.

One end of one of the filter screen plates 22 is fixedly connected with two connecting buckles 23, and one end of the other filter screen plate 22 is provided with two connecting grooves matched with the connecting buckles 23 for use.

Through adopting above-mentioned technical scheme, under the effect of connector link 23 and spread groove, can make two filter plate 22 can the joint together at the during operation to work that can be more stable.

The top ends of the steam outlet pipe 6 and the water outlet pipe 8 are provided with valves.

Through adopting above-mentioned technical scheme, the staff of being convenient for controls play steam pipe 6 and drain pipe 8.

Example two: as shown in fig. 4, the cleaning device 3 includes a vertical rod 31, a top end fixedly connected with driving motor 301 of the vertical rod 31, a moving groove 35 is opened at one end of the vertical rod 31 opposite to the housing 4, a threaded rod 34 is rotatably connected between the upper and lower inner walls of the moving groove 35, an output end of the driving motor 301 extends into the vertical rod 31 and is fixedly connected with the threaded rod 34, a moving block 32 is sleeved on the outer surface of the threaded rod 34, one end of the moving block 32 is connected with a connecting block 36, two ends of the connecting block 36 are fixedly connected with mounting plates 33, one ends of the two mounting plates 33 are fixedly connected with cleaning pads 38, and one ends of the two cleaning pads 38 far away from the mounting plates 33 are respectively attached to the two observation windows 10.

Through adopting above-mentioned technical scheme, under cleaning device 3's effect, can clear up the dust to two observation windows 10 simultaneously.

One end of the moving block 32 is fixedly connected with a fixing buckle 39, one end of the connecting block 36 facing the vertical rod 31 is provided with a fixing groove matched with the fixing buckle 39 for use, the top end of the fixing buckle 39 is provided with a slot, and the top end of the connecting block 36 is inserted with a plug 37 matched with the slot for use.

Through adopting above-mentioned technical scheme, under the effect of fixed knot 39, fixed slot, slot and bolt 37, can be convenient for change mounting panel 33 and clearance pad 38.

The end of the vertical rod 31 opposite to the moving groove 35 is fixedly connected with the shell 4, and the height of the vertical rod 31 is the same as that of the shell 4.

Through adopting above-mentioned technical scheme for the structure of whole steam turbine is more reasonable.

The working principle is as follows: when the steam turbine is used, the whole steam turbine is placed at a proper working position through the base 1, then steam is introduced into the steam turbine body in the shell 4 through the steam inlet pipe 5, when the steam is discharged from the steam outlet pipe 6, the steam enters the water tank 7 and can be filtered by the two filter screen plates 22 in the filter assembly 2 and collected by the water tank 7, when the water collected by the water tank 7 needs to be reused, the water in the water tank 7 can be discharged through the water discharge pipe 8, when the filter assembly 2 needs to be taken down for cleaning and replacement, the two movable blocks 25 in the same positioning plate 21 can be reversely pushed, so that the two movable blocks 25 respectively move in the two movable grooves 26, the movable blocks 25 can extrude the telescopic spring 211 and drive the stabilizing buckle 212 to be separated from the stabilizing groove and collected into the movable groove 26, then the positioning plate 21 is pulled, so that the buckle on the water tank 7 is separated from the clamping groove 24, and make the connecting link 23 separate from connecting slot, at this moment can take out the filter assembly 2 from the trough on the water tank 7, thus can facilitate cleaning and changing the filter assembly 2, when needing to clear up the dust to two observation windows 10, can start the driving motor 301 in the cleaning apparatus 3, make the driving motor 301 drive the threaded spindle 34 in the montant 31 to rotate, make the movable block 32 begin to drive the range of the mobile slot 35 to drive the joint block 36 to move up and down, thus can make two mounting panels 33 drive two cleaning pads 38 to move up and down separately, in order to clear up two observation windows 10, when needing to dismantle mounting panel 33 and cleaning pad 38 to change, can pull out the bolt 37 first, make the bolt 37 separate from slot, pull the joint block 36, make the fixed slot separate from fixed button 39 and can remove the mounting panel 33 and cleaning pad 38, and then a new junction block 36, mounting plate 33 and cleaning pad 38 are installed.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a back pressure steam turbine draws steam, includes base (1), its characterized in that: the steam turbine comprises a base (1), and is characterized in that the top end of the base (1) is fixedly connected with a shell (4), a steam turbine body is arranged in the shell (4), one end of the shell (4) is provided with a cover plate (9) and two observation windows (10), one end of the shell (4) is fixedly connected with a cleaning device (3), the cleaning device (3) is positioned between the two observation windows (10), two ends of the shell (4) are respectively and alternately provided with a steam inlet pipe (5) and a steam outlet pipe (6), one ends of opposite surfaces of the steam inlet pipe (5) and the steam outlet pipe (6) are fixedly connected with the steam turbine body, one side of the top end of the base (1) is fixedly connected with a water tank (7), the lower end of the steam outlet pipe (6) extends into the water tank (7), the lower part of one end of the water tank (7) is fixedly connected with a drain pipe (8), and two ends of the water tank (7) are jointly and alternately provided with a filtering component (2);

filter assembly (2) are including locating plate (21), locating plate (21) is provided with two, two opposite face one end both sides of locating plate (21) all open draw-in groove (24), and the buckle that two cooperation draw-in grooves (24) of the equal fixedly connected with in both ends of water tank (7) used, two the equal fixedly connected with in opposite face one end of locating plate (21) filters otter board (22), and the both ends of water tank (7) are all opened the cross slot that the cooperation filtered otter board (22) used, movable groove (26) have all been opened to the top both sides of locating plate (21), movable groove (26) interpolation is equipped with movable block (25), fixedly connected with expanding spring (211) on one side inner wall of movable groove (26), the one end and movable block (25) fixed connection of expanding spring (211), movable block (25) flexible spring (211) one end dorsad can extend to in draw-in groove (24) and fixedly connected with stably detains (212), and the one end of buckle is opened and is cooperated and is stabilized the stable groove of detaining (212) use.

2. The steam extraction back pressure turbine as claimed in claim 1, wherein one end of one of the filter mesh plates (22) is fixedly connected with two connecting buttons (23), and one end of the other filter mesh plate (22) is provided with two connecting slots for matching with the connecting buttons (23).

3. The steam extraction back-pressure steam turbine as claimed in claim 1, characterized in that the cleaning device (3) comprises a vertical rod (31), a driving motor (301) is fixedly connected to the top end of the vertical rod (31), a moving groove (35) is formed in one end of the vertical rod (31) facing away from the casing (4), a threaded rod (34) is rotatably connected between the upper inner wall and the lower inner wall of the moving groove (35), the output end of the driving motor (301) extends into the vertical rod (31) and is fixedly connected with the threaded rod (34), a moving block (32) is sleeved on the outer surface of the threaded rod (34), one end of the moving block (32) is connected with a connecting block (36), mounting plates (33) are fixedly connected to the two ends of the connecting block (36), a cleaning pad (38) is fixedly connected to the one end of the two mounting plates (33), and the ends, far away from the mounting plates (33), of the two cleaning pads (38) are respectively attached to the two observation windows (10).

4. The steam extraction back pressure turbine as claimed in claim 3, wherein a fixing buckle (39) is fixedly connected to one end of the moving block (32), a fixing groove matched with the fixing buckle (39) is formed in one end of the connecting block (36) facing the vertical rod (31), a slot is formed in the top end of the fixing buckle (39), and a plug pin (37) matched with the slot is inserted into the top end of the connecting block (36).

5. A steam extraction back pressure turbine according to claim 3, characterized in that the end of the vertical bar (31) facing away from the displacement groove (35) is fixedly connected to the casing (4) and that the height of the vertical bar (31) is the same as the height of the casing (4).

6. A steam extraction back pressure turbine according to claim 1, wherein the top ends of the steam outlet pipe (6) and the water discharge pipe (8) are provided with valves.