CN217976442U

CN217976442U - Reaction mixed flow water turbine with light-weight impeller

Info

Publication number: CN217976442U
Application number: CN202221847642.1U
Authority: CN
Inventors: 赵勇; 束晓峰
Original assignee: Anhui Fengwen Technology Co ltd
Current assignee: Anhui Fengwen Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-06
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a reaction mixed flow hydraulic turbine with light-weight impeller, be responsible for including the hydraulic turbine, still include the outlet pipe, fill water pipe and protrusion seat, through flange fixed connection between the outlet pipe is responsible for with the hydraulic turbine, fixed mounting has the filter screen in the flange, and the hydraulic turbine is responsible for inside fixed mounting and has the supporting disk, and one side movable mounting that the supporting disk is close to the filter screen position has the impeller, installs on the protrusion seat to be used for driving impeller pivoted actuating mechanism. The utility model can improve the water outlet speed by the positive rotation of the impeller, and avoid the vibration of the unstable water flow pipeline; when the filter screen takes place to block up in the outlet pipe, open first gate valve, through filling water to water filling pipe, then reverse drive impeller rotation, rivers can carry out the back flush to the filter screen this moment, guarantee the life of filter screen, reduce the maintenance cost.

Description

Reaction mixed flow water turbine with light-weight impeller

Technical Field

The utility model relates to a hydraulic turbine equipment technical field, more specifically say, in particular to counterattack mixed-flow water turbine with lightweight impeller.

Background

At present, install in the inside hydraulic turbine of cooling tower, adopt the double-stroke hydraulic turbine or conventional francis hydraulic turbine usually, both play the effect of drainage and water supply, but because the hydraulic turbine pipeline is longer, water when the pipeline flows, its velocity of flow is unstable, cause the pipeline vibration very easily, long-time vibration will influence the life of pipeline, the noise is also great simultaneously, and can filter impurity in the rivers in order to guarantee the pipeline, generally can install the filter screen, long-time the back of using, the filter screen also blocks up easily, the influence is used, need the manual work to maintain, consequently, a counterattack francis hydraulic turbine who has light-weight impeller solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a counterattack francis turbine with lightweight impeller.

In order to achieve the purpose, the utility model adopts the technical scheme as follows: the utility model provides a reaction mixed flow hydraulic turbine with light-weight impeller, is responsible for including the hydraulic turbine, still includes the outlet pipe, fills water pipe and protrusion seat, through flange fixed connection, fixed mounting has the filter screen in the flange between the outlet pipe is responsible for with the hydraulic turbine, protrusion seat fixed mounting is responsible for in the hydraulic turbine, and the protrusion seat communicates in the hydraulic turbine is responsible for, and the hydraulic turbine is responsible for inside fixed mounting and has the supporting disk, and open on the supporting disk surface has a plurality of through-holes, and one side movable mounting that the supporting disk is close to the filter screen position has the impeller, install on the protrusion seat and be used for driving impeller pivoted actuating mechanism, fill water pipe fixed mounting on the outlet pipe, fill the water pipe and communicate in the outlet pipe, and fill and install first gate valve on the water pipe.

Preferably, the driving mechanism comprises a motor and a hinge, the motor is fixedly installed on the outer side of the protruding seat, gears are fixed on rotating shafts of the motor and the impeller, and the two gears are in transmission connection through the hinge.

Preferably, a water outlet is formed in one side, away from the position of the convex seat, of the main pipe of the water turbine, a water outlet barrel is fixedly mounted on the outer side surface of the main pipe of the water turbine at the position of the water outlet, and the water outlet barrel is connected with a threaded plug in a matched mode through internal threads.

Preferably, one end of the threaded plug is fixedly welded with a pull rod, and the outer end of the pull rod is fixedly welded with a handle rod.

Preferably, a second gate valve is fixedly mounted at one end of the main pipe of the water turbine, which is far away from the water outlet pipe.

Preferably, the inside both sides of flange all fixed welding have spacing rib, filter screen fixed mounting is between two spacing ribs, and the filter screen is the metal filter screen.

Compared with the prior art, the utility model has the advantages of:

the utility model can improve the water outlet speed by the positive rotation of the impeller, and avoid the vibration of the unstable water flow pipeline; when the filter screen in the outlet pipe is blocked, the first gate valve is opened, water is filled into the water filling pipe, then the impeller is driven to rotate reversely, at the moment, the water flow can carry out back washing on the filter screen, the service life of the filter screen is ensured, and the maintenance cost is reduced.

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 structural view of a reaction mixed flow water turbine having a lightweight impeller according to the present invention;

fig. 2 is a sectional view of a back-beating francis turbine with a lightweight impeller according to the present invention.

In the figure: the water turbine comprises a main pipe 1, a water outlet pipe 2, a flange 3, a water filling pipe 4, a first gate valve 5, a protruding seat 6, a motor 7, a second gate valve 8, a water outlet barrel 9, a water outlet 10, a supporting plate 11, an impeller 12, a hinge 13, a filter screen 14, a threaded plug 15, a pull rod 16, a handle rod 17 and a limiting rib 18.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1 and 2, the utility model provides a counterattack francis turbine with light-weight impeller, being responsible for 1 including the hydraulic turbine, prior art turbine is responsible for 1 and is connected with the turbine intercommunication for drainage or water supply, and it still includes outlet pipe 2, fills water pipe 4 and protrusion seat 6, through flange 3 fixed connection between outlet pipe 2 and the hydraulic turbine are responsible for 1, and flange 3 passes through the bolt fastening by two parts, can dismantle, and fixed mounting has filter screen 14 in the flange 3, protrusion seat 6 fixed mounting is responsible for 1 at the hydraulic turbine, and protrusion seat 6 communicates in the hydraulic turbine is responsible for 1, and 1 inside fixed mounting is responsible for 1 to the hydraulic turbine has supporting disk 11, and supporting disk 11 open on the surface has a plurality of through-holes for the passing through of rivers, 11 one side movable mounting that is close to filter screen 14 position has impeller 12, install on the protrusion seat 6 and be used for driving impeller 12 pivoted actuating mechanism, fill water pipe 4 fixed mounting on outlet pipe 2, fill water pipe 4 and communicate in outlet pipe 2, and fill and install first supporting disk 5 on the water pipe.

In this embodiment, the driving mechanism includes a motor 7 and a hinge 13, the motor 7 is fixedly installed outside the protruding seat 6, gears are fixed on the rotating shafts of the motor 7 and the impeller 12, and the two gears are in transmission connection through the hinge 13.

In this embodiment, a water outlet 10 is formed in one side of the main pipe 1 of the water turbine, which is away from the position of the protruding seat 6, a water outlet barrel 9 is fixedly installed on the outer side surface of the main pipe 1 of the water turbine at the position of the water outlet 10, and the water outlet barrel 9 is connected with a threaded plug 15 through internal threads in a matching manner.

In this embodiment, a pull rod 16 is fixedly welded at one end of the threaded plug 15, and a handle rod 17 is fixedly welded at the outer end of the pull rod 16.

In this embodiment, a second gate valve 8 is fixedly installed at one end of the main pipe 1 of the water turbine, which is far away from the position of the water outlet pipe 2.

In this embodiment, the inside both sides of flange 3 all fixed welding have spacing rib 18, filter screen 14 fixed mounting is between two spacing ribs 18, and filter screen 14 is metal filter screen 14, unpacks flange 3 apart and can change metal filter screen 14. It is convenient to install, dismantle and wash.

The working principle is as follows: the impeller 12 is driven to rotate by the motor 7 in the forward direction, so that the water outlet speed can be improved; when the filter screen 14 is blocked, the first gate valve 5 is opened, water is filled into the water filling pipe 4, then the motor 7 reversely drives the impeller 12 to rotate, at the moment, water flow can back flush the filter screen 14, the second gate valve 8 is closed, the threaded plug 15 is taken out of the protruding cylinder 9, and sewage after back flushing can be discharged through the protruding cylinder 9.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, as long as the protection scope of the invention is not beyond the protection scope of the claims.

Claims

1. The utility model provides a reaction mixed flow hydraulic turbine with lightweight impeller, includes the hydraulic turbine and is responsible for, its characterized in that: still include the outlet pipe, fill water pipe and protrusion seat, through flange fixed connection, fixed mounting has the filter screen in the flange between the outlet pipe is responsible for with the hydraulic turbine, protrusion seat fixed mounting is responsible for in the hydraulic turbine, and the protrusion seat communicates in the hydraulic turbine is responsible for, and the hydraulic turbine is responsible for inside fixed mounting has the supporting disk, and open on the supporting disk surface has a plurality of through-holes, and one side movable mounting that the supporting disk is close to the filter screen position has the impeller, install on the protrusion seat and be used for driving impeller pivoted actuating mechanism, fill water pipe fixed mounting on the outlet pipe, fill the water pipe and communicate in the outlet pipe, and fill and install first gate valve on the water pipe.

2. A reaction francis turbine with a lightweight impeller in accordance with claim 1, wherein: the driving mechanism comprises a motor and a hinge, the motor is fixedly installed on the outer side of the protruding seat, gears are fixed on rotating shafts of the motor and the impeller, and the two gears are in transmission connection through the hinge.

3. A reaction francis turbine with a lightweight impeller according to claim 1, wherein: the water turbine is responsible for and keeps away from one side of protrusion seat position and has seted up the delivery port, and the water turbine is responsible for outside surface and is installed a play water drum at delivery port position fixed mounting, and a play water drum is connected with the screw plug through the internal thread fit.

4. A reaction francis turbine with a lightweight impeller according to claim 3, wherein: and one end of the threaded plug is fixedly welded with a pull rod, and the outer end part of the pull rod is fixedly welded with a handle rod.

5. A reaction francis turbine with a lightweight impeller according to claim 1, wherein: and a second gate valve is fixedly arranged at one end of the main pipe of the water turbine, which is far away from the water outlet pipe.

6. A reaction francis turbine with a lightweight impeller according to claim 1, wherein: the flange is characterized in that limiting ribs are fixedly welded on two sides inside the flange, the filter screen is fixedly installed between the two limiting ribs, and the filter screen is a metal filter screen.