CN220237990U - Protection machanism and steam turbine connecting device thereof - Google Patents

Abstract

The utility model discloses a protection machanism and steam turbine connecting device thereof relates to the technical field of steam turbine blowdown. The device comprises a containing part, a first connecting part and a second connecting part, wherein the containing part comprises a containing pipe, a pipe inlet arranged on the containing pipe and a pipe outlet arranged on the containing pipe; the filter residue component comprises a separation cover arranged on the accommodating pipe, a slag collecting plate arranged on the separation cover, a filtering component arranged in the separation cover, a protection component arranged on the separation cover and a slag removing component arranged on the separation cover; offer a plurality of holes on the separation cover, through setting up double-deck filtration in the holding intraductal, and the mesh on the double-deck filter screen is alternately set up, can increase the road surface of incrustation scale for the filter screen can be better separate the incrustation scale from the water, prevent to filter the mesh and block up, set up protective component in advancing intraductal simultaneously, make the impact force of rivers can diminish, thereby reduce the impact of rivers to the filter screen, the filter screen deformation that the protection filter screen prevention rivers impact leads to.

Description

Protection machanism and steam turbine connecting device thereof

Technical Field

The utility model relates to the technical field of steam turbine pollution discharge, in particular to a protection mechanism and a steam turbine connecting device thereof.

Background

The steam turbine is a kind of heat energy conversion equipment, which is a mechanical equipment that generates electric energy by burning fuel or other high-temperature and high-pressure working substances such as steam or gas, introducing the working substances into the steam turbine, and rotating the working substances by using rotor impellers sealed around a hub under the impact force of the working substances.

The pipe in the steam turbine condenser can produce the scale deposit for a long time to use, and the incrustation scale is long-time to agglomerate and drops from the pipe inner wall and flow along the intraductal, if not filters, can lead to the intraductal pipe of condenser to block up, and current filtration method adopts the individual layer filter screen to filter generally, and impurity can't filter cleanly usually, and the mesh of jam filter screen easily influences the filter effect of filter screen, adopts the flange to connect fixedly between pipe and the steam turbine simultaneously, and sealed effect is poor, leads to the liquid in the pipe to reveal.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

In view of the problems that the conventional filtering method generally adopts a single-layer filter screen for filtering, impurities cannot be filtered completely, meshes of the filter screen are easy to block, and the filtering effect of the filter screen is affected, a protection mechanism is provided.

In order to solve the technical problems, the utility model provides the following technical scheme: the device comprises a containing part, a first connecting part and a second connecting part, wherein the containing part comprises a containing pipe, a pipe inlet arranged on the containing pipe and a pipe outlet arranged on the containing pipe; the filter residue component comprises a separation cover arranged on the accommodating pipe, a slag collecting plate arranged on the separation cover, a filtering component arranged in the separation cover, a protection component arranged on the separation cover and a slag removing component arranged on the separation cover; the blocking cover is provided with a plurality of holes.

As a preferred embodiment of the protection mechanism according to the present utility model, wherein: the filter assembly comprises a first filter tube arranged in the accommodating tube and a second filter tube sleeved on the first filter tube.

As a preferred embodiment of the protection mechanism according to the present utility model, wherein: the protection component comprises two rotating rods which are symmetrically arranged in the accommodating tube, a swing page which is annularly arranged on the rotating rods, a guide strip arranged on the swing page and a buffer piece arranged on the barrier cover.

As a preferred embodiment of the protection mechanism according to the present utility model, wherein: the buffer piece comprises a baffle plate arranged on the baffle cover and a buffer plate arranged on the baffle plate; and a buffer spring is arranged between the baffle plate and the buffer plate.

As a preferred embodiment of the protection mechanism according to the present utility model, wherein: the slag removing assembly comprises a slag collecting pipe arranged on the slag collecting plate, a slag collecting piece arranged on the slag collecting pipe and a slag pushing piece arranged on the slag collecting pipe.

As a preferred embodiment of the protection mechanism according to the present utility model, wherein: the slag collecting piece comprises a slag storage box arranged on the slag discharge pipe and a one-way valve arranged on the slag storage box.

As a preferred embodiment of the protection mechanism according to the present utility model, wherein: the slag pushing piece comprises symmetrically arranged scraping plates arranged in the blocking cover, a tension spring is arranged between the scraping plates and the blocking cover, a tension rope is arranged on the scraping plates, a control ring is arranged on the slag discharging pipe, and a control handle is arranged on the control ring; the control handle is connected with the two stretching ropes.

The protection mechanism has the beneficial effects that: this structure is through setting up double-deck filtration in the holding pipe, and the mesh on the double-deck filter screen is the cross arrangement, can increase the road surface of incrustation scale for the filter screen can be better separate the incrustation scale from the water, prevents to filter the mesh and blocks up, sets up the protection subassembly in advancing intraductal simultaneously, slows down the velocity of flow of water, makes the impact force of rivers can diminish, thereby reduces the impact of rivers to the filter screen, protects the filter screen deformation that the filter screen prevention rivers impact caused.

In view of the problem that the pipe and the steam turbine are usually connected and fixed by adopting a flange, the sealing effect is poor, and the liquid in the pipe leaks, the steam turbine connecting device is provided.

In order to solve the technical problems, the utility model also provides the following technical scheme: the protective mechanism comprises the protective mechanism; the transposition component comprises a turbine body, a calandria arranged on the turbine body, a connecting ring arranged on the calandria, an adapting ring arranged on the calandria and a connecting assembly arranged on the connecting ring; the connecting ring is attached to the adapting ring.

As a preferred embodiment of the steam turbine connection device according to the present utility model, wherein: the connecting assembly comprises a connecting hose arranged on the connecting ring, a sealing ring arranged on the connecting ring, connecting pipes which are symmetrically arranged on the adapting ring, connecting blocks arranged on the connecting pipes and fasteners arranged on the connecting blocks; the connecting hose is matched with the outlet pipe, and the sealing ring is abutted against the adapting ring.

As a preferred embodiment of the steam turbine connection device according to the present utility model, wherein: the fastening piece comprises two symmetrically arranged fastening blocks arranged in the connecting block, a reset spring is arranged between the fastening blocks and the connecting block, a clamping groove is formed in the connecting ring, a pushing rod is arranged on the connecting pipe, and an extrusion block is arranged on the pushing rod; the clamping groove is matched with the fastening blocks, and the extrusion block is abutted against the two fastening blocks

The steam turbine connecting device has the beneficial effects that: the device is through setting up coupling assembling between steam turbine and holding pipe, and coupling assembling is gone into in the exit tube and the diameter of exit tube the same simultaneously, can increase the leakproofness of being connected between the pipeline, later adopts the fastener to be connected go-between and adapter ring, increases the fastening degree of being connected between two pipelines.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic view of the overall structure of a receiving tube according to the present utility model.

Fig. 2 is a schematic view of the internal structure of the accommodating tube according to the present utility model.

Fig. 3 is a schematic perspective view of a filter residue component in the present utility model.

Fig. 4 is a schematic perspective view of a scraper according to the present utility model.

Fig. 5 is a schematic view of the internal structure of the slag pushing member in the present utility model.

Fig. 6 is a schematic perspective view of a connection device of a steam turbine according to the present utility model.

FIG. 7 is a schematic view of the internal structure of the connecting ring according to the present utility model.

FIG. 8 is a schematic view of the internal structure of the fastener of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. 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.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1 to 5, a first embodiment of the present utility model provides a protection mechanism, which includes a housing part 100 including a housing tube 101, an inlet tube 102 disposed on the housing tube 101, and an outlet tube 103 disposed on the housing tube 101; the filter residue component 200 comprises a blocking cover 201 arranged on the accommodating tube 101, a slag collecting plate 202 arranged on the blocking cover 201, a filtering component 203 arranged in the blocking cover 201, a protection component 204 arranged on the blocking cover 201 and a slag removing component arranged on the blocking cover 201; offer a plurality of holes on the separation cover 201, wherein, the hole on the separation cover 201 is greater than the mesh of filter component 203, can delay the velocity of flow of water, protection filter component 203 sets up filter component 203 in holding pipe 101 and realizes double-deck filtration, can increase the path of incrustation scale, sets up protection component 204 in advance pipe 102 simultaneously, slows down the velocity of flow of water for the impact force of rivers can diminish, thereby reduces the impact of rivers to the filter screen, protects the filter screen deformation that the impact of filter screen prevention rivers leads to.

Specifically, the filter assembly 203 includes a first filter tube 203a disposed in the accommodating tube 101 and a second filter tube 203b sleeved on the first filter tube 203a, where the first filter tube 203a and the filter screen holes on the second filter tube 203b are disposed in a crossing manner, the density of scale is greater than that of the water body, and the crossing filter meshes can effectively increase the water flow path, so that the scale has enough time to stay outside the first filter tube 203a and the second filter tube 203b, and remains on the slag collecting plate 202 through filtration, thereby increasing the filtering effect and preventing the filter meshes from blocking.

The protection component 204 comprises two symmetrical rotating rods 204a arranged in the accommodating tube 101, a swing page 204b arranged on the rotating rods 204a in an annular arrangement, a guide strip 204c arranged on the swing page 204b and a buffer piece 204d arranged on the blocking cover 201, wherein the kinetic energy of water flow is transferred to the swing page 204b to enable the swing page 204b to rotate along the rotating rods 204a, the momentum conservation of the fluid in the process, namely the inlet flow and the outlet flow are equal, and the swing page 204b has rotation resistance, so the water flow speed through the swing page 204b is reduced, the purpose of delaying the water flow speed is realized, and the effect of preventing the filter screen of the too fast impact of the water flow speed from deforming is achieved.

Further, the buffer 204d includes a baffle plate 204d-1 disposed on the baffle housing 201 and a buffer plate 204d-2 disposed on the baffle plate 204 d-1; a buffer spring 204d-3 is arranged between the baffle plate 204d-1 and the buffer plate 204d-2, wherein one side of the buffer plate 204d-2 close to the inlet pipe 102 is arc-shaped, water flows contact with the buffer plate 204d-2 after passing through the delay of the swing page 204b, and are dispersed to two sides of the buffer plate 204d-2, the buffer plate 204d-2 presses the buffer spring 204d-3 after being stressed, the buffer spring 204d-3 elastically deforms to absorb impact force and converts the impact force into elastic potential energy of the spring, and when the impact force disappears, the elastic potential energy of the buffer spring 204d-3 is gradually released, and the absorbed extrusion is released, so that the buffer effect is realized, and the impact force of the water flow is further delayed.

The operation process comprises the following steps: when the waste water in the turbine body 301 enters the accommodating pipe 101 through the inlet pipe 102, the water flow itself carries kinetic energy and is transferred to the swing pages 204b along the inlet pipe 102, so that the swing pages 204b rotate along the rotating rod 204a, the water flow speed through the swing pages 204b is reduced, meanwhile, the water flow contacts with the buffer plate 204d-2 along the flow direction, the buffer plate 204d-2 presses the buffer spring 204d-3 after being stressed, the buffer spring 204d-3 elastically deforms to absorb impact force and converts the impact force into elastic potential energy of the spring, after the impact force disappears, the elastic potential energy of the buffer spring 204d-3 is gradually released, the absorbed extrusion is released, the impact force of the water flow is further delayed, then the water flow enters into the filter screen holes on the first filter pipe 203a and the second filter pipe 203b along the barrier cover 201, the density of the water body is larger than that of the cross-shaped filter meshes, the water flow can be effectively increased, enough time is allowed to remain on the first filter pipe 203a and the second filter pipe 203b, the filter meshes are prevented from being blocked, and the filter effect is increased, and the filter effect is prevented from being blocked by the filter plate 202.

Example 2

Referring to fig. 1 to 5, a second embodiment of the present utility model is based on the previous embodiment, except that: the slag removal assembly comprises a slag discharge pipe 205a arranged on the slag collection plate 202, a slag collection piece 205b arranged on the slag discharge pipe 205a and a slag pushing piece 205c arranged on the slag discharge pipe 205a, wherein the slag discharge pipe 205a is positioned at the middle position of the slag collection plate 202, scale is filtered by the first filter tube 203a and the second filter tube 203b and then falls on the slag collection plate 202, and the slag pushing piece 205c is used for pushing the scale onto the slag collection piece 205b to remove the scale, so that the filtering effect of the filtering assembly 203 can be maintained.

Wherein, collect sediment piece 205b, including setting up the storage tank 205b-1 on slag pipe 205a and setting up the check valve 205b-2 on storage tank 205b-1, wherein, the direction of the fluid flow of slag pipe 205a and storage tank 205b-1 is controlled through check valve 205b-2, prevents the fluid backward flow to make things convenient for holding pipe 101 to arrange sediment.

Further, the slag pushing piece 205c comprises symmetrically arranged scrapers 205c-1 arranged in the blocking cover 201, a tension spring 205c-2 is arranged between the scrapers 205c-1 and the blocking cover 201, a tension rope 205c-3 is arranged on the scrapers 205c-1, a control ring 205c-4 is arranged on the slag discharging pipe 205a, and a control handle 205c-5 is arranged on the control ring 205 c-4; the control handle 205c-5 is connected with the two stretching ropes 205c-3, wherein scale deposit on the scraper 205c-1 can be effectively prevented through the semi-arc shape of the upper end of the scraper 205c-1, and the scraper 205c-1 is driven to move by the rotation of the control handle 205c-5, so that the scale can move along the moving direction of the scraper 205c-1, and the scale is pushed into the slag collection box, so that slag removal is realized.

The operation process comprises the following steps: when the first filter tube 203a and the second filter tube 203b need to be cleaned after long-time filtration, the control handle 205c-5 is rotated, so that the control handle 205c-5 pulls the stretching rope 205c-3 to wind at the end part of the control handle 205c-5, the stretching rope 205c-3 pulls the scraping plate 205c-1 to move on the slag collecting plate 202 at the same time, scale can move along the moving direction of the scraping plate 205c-1, the scale is pushed into the slag collecting box, after cleaning is finished, the control handle 205c-5 reset spring 305e-2 is released to drive the scraping plate 205c-1 to reset, the subsequent cleaning is convenient, and then the one-way valve 205b-2 is used for controlling the flow of fluid between the slag discharging tube 205a and the slag storing box 205b-1, so that the dumping of the scale is realized.

Example 3

Referring to fig. 6 to 8, a third embodiment of the present utility model includes the protection mechanism described above; and, the transposition member 300 includes a turbine body 301, a row pipe 302 provided on the turbine body 301, a connection ring 303 provided on the row pipe 302, an adapter ring 304 provided on the outlet pipe 103, and a connection assembly 305 provided on the connection ring 303; the connecting ring 303 is attached to the adapting ring 304, wherein the connecting ring 303 is adapted to the adapting ring 304, the connecting assembly 305 is used for establishing connection between the connecting ring 303 and the adapting ring 304, the tightness between the connecting ring 303 and the adapting ring 304 can be increased, and meanwhile, the sealing between the exhaust pipe 302 and the inlet pipe 102 is ensured, so that the pollution discharge of the turbine body 301 is facilitated.

Specifically, the connection assembly 305 includes a connection hose 305a disposed on the connection ring 303, a sealing ring 305b disposed on the connection ring 303, a connection pipe 305c disposed on the adapter ring 304 and disposed symmetrically, a connection block 305d disposed on the connection pipe 305c, and a fastener 305e disposed on the connection block 305 d; the coupling hose 305a is adapted to the outlet pipe 103, and the sealing ring 305b is in contact with the adapting ring 304, wherein the coupling hose 305a is made of rubber and has a certain elasticity, and when in connection, the coupling hose 305a is plugged into the inlet pipe 102, so that water flow is reduced and flows out of a gap between the drain pipe 302 and the inlet pipe 102, and the connection tightness between the drain pipe 302 and the inlet pipe 102 is increased.

The fastening piece 305e comprises two symmetrically arranged fastening blocks 305e-1 arranged in the connecting block 305d, a reset spring 305e-2 is arranged between the fastening blocks 305e-1 and the connecting block 305d, a clamping groove 305e-3 is formed in the connecting ring 303, a pushing rod 305e-4 is arranged on the connecting pipe 305c, and a pressing block 305e-5 is arranged on the pushing rod 305 e-4; the clamping groove 305e-3 is matched with the fastening block 305e-1, the extrusion block 305e-5 is abutted against the two fastening blocks 305e-1, wherein the pushing rod 305e-4 is in threaded connection with the connecting pipe 305c, the extrusion block 305e-5 is in rotary connection with the pushing rod 305e-4, the pushing rod 305e-4 is rotated to drive the extrusion rod to abut against the two fastening blocks 305e-1, the fastening blocks 305e-1 extend out of the connecting block 305d and are buckled into the clamping groove 305e-3, and the fixing between the connecting ring 303 and the adapting ring 304 is realized.

The operation process comprises the following steps: when the steam turbine body 301 needs to be connected with the accommodating pipe 101, the connecting hose 305a is plugged into the inlet pipe 102, flowing out of a gap connected between the exhaust pipe 302 and the inlet pipe 102 is reduced, the connection tightness between the exhaust pipe 302 and the inlet pipe 102 is increased, the connecting ring 303 is attached to the adapting ring 304, then the pushing rod 305e-4 is rotated to drive the extruding rod to abut against the two fastening blocks 305e-1, the fastening blocks 305e-1 extend out of the connecting block 305d and are buckled into the clamping groove 305e-3, and the fixation between the connecting ring 303 and the adapting ring 304 is realized.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A protection mechanism, characterized in that: comprising the steps of (a) a step of,

the accommodating component (100) comprises an accommodating pipe (101), an inlet pipe (102) arranged on the accommodating pipe (101) and an outlet pipe (103) arranged on the accommodating pipe (101);

the filter residue component (200) comprises a blocking cover (201) arranged on the accommodating pipe (101), a slag collecting plate (202) arranged on the blocking cover (201), a filtering component (203) arranged in the blocking cover (201), a protection component (204) arranged on the blocking cover (201) and a slag removing component (205) arranged on the blocking cover (201);

the blocking cover (201) is provided with a plurality of holes.

2. The guard mechanism of claim 1, wherein: the filter assembly (203) comprises a first filter tube (203 a) arranged in the accommodating tube (101) and a second filter tube (203 b) sleeved on the first filter tube (203 a).

3. The guard mechanism of claim 2, wherein: the protection component (204) comprises two symmetrical rotating rods (204 a) arranged in the accommodating tube (101), a swing page (204 b) arranged on the rotating rods (204 a) in an annular mode, a guide strip (204 c) arranged on the swing page (204 b) and a buffer piece (204 d) arranged on the blocking cover (201).

4. A guard mechanism as claimed in claim 3, wherein: the buffer piece (204 d) comprises a baffle plate (204 d-1) arranged on the baffle cover (201) and a buffer plate (204 d-2) arranged on the baffle plate (204 d-1);

a buffer spring (204 d-3) is arranged between the baffle plate (204 d-1) and the buffer plate (204 d-2).

5. A guard mechanism as claimed in claim 1 or claim 3, wherein: the slag removal assembly (205) comprises a slag discharge pipe (205 a) arranged on the slag collection plate (202), a slag collection piece (205 b) arranged on the slag discharge pipe (205 a) and a slag pushing piece (205 c) arranged on the slag discharge pipe (205 a).

6. The guard mechanism of claim 5, wherein: the slag collecting piece (205 b) comprises a slag storage tank (205 b-1) arranged on the slag discharge pipe (205 a) and a one-way valve (205 b-2) arranged on the slag storage tank (205 b-1).

7. The guard mechanism of claim 6, wherein: the slag pushing piece (205 c) comprises symmetrically arranged scraping plates (205 c-1) arranged in the blocking cover (201), a tension spring (205 c-2) is arranged between the scraping plates (205 c-1) and the blocking cover (201), a tension rope (205 c-3) is arranged on the scraping plates (205 c-1), a control ring (205 c-4) is arranged on the slag discharging pipe (205 a), and a control handle (205 c-5) is arranged on the control ring (205 c-4);

the control handle (205 c-5) is connected to two of the tensile cords (205 c-3).

8. Steam turbine connecting device, its characterized in that: comprising a guard mechanism according to any one of claims 1 to 7; the method comprises the steps of,

a transposition member (300) comprising a turbine body (301), a row pipe (302) provided on the turbine body (301), a connection ring (303) provided on the row pipe (302), an adapter ring (304) provided on the outlet pipe (103), and a connection assembly (305) provided on the connection ring (303);

the connecting ring (303) is attached to the adapting ring (304).

9. The steam turbine connection as recited in claim 8, wherein: the connecting assembly (305) comprises a connecting hose (305 a) arranged on the connecting ring (303), a sealing ring (305 b) arranged on the connecting ring (303), a connecting pipe (305 c) symmetrically arranged on the adapting ring (304), a connecting block (305 d) arranged on the connecting pipe (305 c) and a fastening piece (305 e) arranged on the connecting block (305 d);

the connecting hose (305 a) is matched with the outlet pipe (103), and the sealing ring (305 b) is abutted against the adapting ring (304).

10. The steam turbine connection as recited in claim 9, wherein: the fastening piece (305 e) comprises two symmetrically arranged fastening blocks (305 e-1) arranged in the connecting block (305 d), a reset spring (305 e-2) is arranged between the fastening blocks (305 e-1) and the connecting block (305 d), a clamping groove (305 e-3) formed in the connecting ring (303), a pushing rod (305 e-4) arranged on the connecting pipe (305 c) and an extrusion block (305 e-5) arranged on the pushing rod (305 e-4);

the clamping groove (305 e-3) is matched with the fastening blocks (305 e-1), and the extrusion block (305 e-5) is abutted against the two fastening blocks (305 e-1).