阅读说明：本技术 一种便于水轮机组改造的引水装置 (Water diversion device convenient to hydraulic turbine set reforms transform ) 是由 祁峰 钟建雄 严平文 于 2020-07-15 设计创作，主要内容包括：本发明公开了一种便于水轮机组改造的引水装置,属于水轮机组技术领域,包括蜗壳、过滤筒和旋转盖,所述蜗壳内安装有主轴,蜗壳底部设有出水口,所述进水口内还安装有导流罩,导流罩中部设有导流锥,导流锥中部开设有导流口,导流罩连接过滤筒,过滤筒内转动设置有旋转盖,旋转盖通过旋转轴连接主轴；在蜗壳内增设过滤组件,将其安装在蜗壳引水的进水口一端,并将蜗壳内部与进水管相连通；该种结构的便于水轮机组改造的引水装置,在水轮机组引水操作时,能够将污水进行预过滤处理,提高水轮机组运动的安全性和使用寿命,便于对水轮机组内部进行改造,适用于在水轮机组内部安装使用。(The invention discloses a water diversion device convenient for the reformation of a water turbine unit, which belongs to the technical field of water turbine units and comprises a spiral case, a filter cylinder and a rotary cover, wherein a main shaft is arranged in the spiral case, a water outlet is arranged at the bottom of the spiral case, a flow guide cover is also arranged in the water inlet, a flow guide cone is arranged in the middle of the flow guide cover, a flow guide opening is arranged in the middle of the flow guide cone, the flow guide cover is connected with the filter cylinder, the rotary cover is rotationally arranged in the filter cylinder, and the rotary cover is; a filter assembly is additionally arranged in the volute and is arranged at one end of a water inlet of the volute for leading water, and the interior of the volute is communicated with a water inlet pipe; this kind of diversion device of hydraulic turbine set transformation of being convenient for of structure when hydraulic turbine set diversion operation, can carry out prefiltration with sewage and handle, improves the security and the life of hydraulic turbine set motion, is convenient for reform transform hydraulic turbine set inside, is applicable to and uses at hydraulic turbine set internally mounted.)

1. The utility model provides a diversion device convenient to hydraulic turbine set reforms transform, includes spiral case (1), cartridge filter (12) and rotatory lid (16), install main shaft (2) in spiral case (1), install runner (3) on main shaft (2), install blade (4) on runner (3), its characterized in that, spiral case (1) front end middle part is equipped with water inlet (5), and spiral case (1) bottom is equipped with delivery port (6), inlet tube (8) are connected in water inlet (5), still install kuppe (9) in water inlet (5), kuppe (9) middle part is equipped with water conservancy diversion awl (10), and water conservancy diversion mouth (11) have been seted up in the middle part of water conservancy diversion awl (10), and cartridge filter (9) connection cartridge filter (12), cartridge filter (12) internal rotation are provided with rotatory lid (16), and rotatory lid (16) are through rotation axis (21) connection main shaft (2), one side of the filter cartridge (12) is provided with a sewage collecting port (14), and the sewage collecting port (14) is connected with a sewage discharging pipe (15).

2. The water diversion device convenient for the reconstruction of the hydraulic turbine set according to claim 1, wherein the main shaft (2) is installed in the middle of the volute (1) and arranged along the axis of the middle of the volute (1), and a mechanical seal is installed between the volute (1) and the main shaft (2).

3. The water diversion device convenient for the reconstruction of the hydraulic turbine set according to claim 2, wherein one end of the main shaft (2) is positioned outside the volute (1) and is connected with a motor shaft of a servo motor outside the volute (1).

4. The water diversion device convenient for the reconstruction of the water turbine set according to claim 1, wherein the water outlet (6) is connected with a water drainage pipe (7), and the water inlet pipe (8) is positioned in the middle of the front end of the volute (1).

5. The water diversion device convenient for the reconstruction of the hydraulic turbine set according to any one of claims 1 to 4, wherein the air guide sleeve (9) is fixed on the inner wall of the volute (1) at the water inlet (5) through screws, the filter cylinder (12) is of a cylindrical structure, one end of the filter cylinder (12) is fixedly connected with the air guide sleeve (9), and the rotary cover (16) is arranged at the other end of the filter cylinder (12).

6. The water diversion device convenient for water turbine set reconstruction as claimed in claim 4, wherein the diversion opening (11) is communicated with the water inlet pipe (8).

7. The water diversion device convenient for the reconstruction of the hydraulic turbine set according to claim 5, wherein a fixed block (20) is welded in the middle of the rotary cover (16), the fixed block (20) is connected to one end of a rotary shaft (21), and the other end of the rotary shaft (21) is connected with the main shaft (2) through a coupling.

8. The diversion device convenient for the transformation of the hydraulic turbine set according to claim 7, wherein the rotary cover (16) is composed of a rotary frame and a filter screen (17) fixed on the rotary frame, the rotary frame is composed of a plurality of connecting rods radially welded on the outer side of the fixed block (20) and a fixed ring fixed at the outer end of the connecting rods, the filter screen (17) is fixed on the rotary frame, and the filter screen (17) is arranged on one side of the rotary frame close to the filter cylinder (12).

9. The water diversion device convenient for the reconstruction of the hydraulic turbine set according to claim 8, wherein a plurality of filter frames (18) are welded on the rotary cover (16), the filter frames (18) are positioned in the filter cylinder (12) and distributed in a shape like a Chinese character 'mi', and the outer side surface of the filter frames (18) is connected with a pollution discharge brush (19).

10. The water diversion device convenient for the reconstruction of the hydraulic turbine set according to claim 9, wherein the inner wall of the filter cylinder (12) at one side of the sewage collection port (14) is provided with sewage discharge comb teeth (13).

Technical Field

The invention relates to the technical field of hydraulic turbine units, in particular to a water diversion device convenient for hydraulic turbine unit transformation.

Background

At present, with economic development in China, energy is more and more important, small hydropower projects are one of the important energy projects in China, a water turbine is a power machine for converting energy of water flow into rotary mechanical energy, the water turbine belongs to a turbine machine in fluid machinery, and most of modern water turbines are installed in a hydropower station and are used for driving a generator to generate electricity.

In a hydroelectric power generation system, high-level water flows to a low-level impact water turbine to convert the potential energy of the water into electric energy. The water turbine is a key component of energy conversion in this process. The water entering the water turbine usually does not adopt corresponding filtering measures, the high-level water contains impurities such as silt, the water flow with silt entering the water turbine accumulates in the water turbine, the rotating speed of the water turbine is reduced if the water flow with silt is light, the water turbine is seriously blocked, the water turbine stops running, and the whole power generation system is seriously influenced; furthermore, damage to the turbine affects the service life of the turbine.

Therefore, it is desirable to provide a water diversion device convenient for the transformation of a hydraulic turbine set, aiming at solving the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the embodiment of the invention aims to provide a water diversion device convenient for the transformation of a hydraulic turbine set so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a diversion device convenient to hydraulic turbine unit reforms transform, includes spiral case, cartridge filter and swivel cap, install the main shaft in the spiral case, install the runner on the main shaft, install the blade on the runner, spiral case front end middle part is equipped with the water inlet, and the spiral case bottom is equipped with the delivery port, the inlet tube is connected to the water inlet, still install the kuppe in the inlet port, the kuppe middle part is equipped with the water conservancy diversion awl, and the water conservancy diversion mouth has been seted up at water conservancy diversion awl middle part, and the cartridge filter is connected to the kuppe, and the cartridge filter internal rotation is provided with the swivel cap, and the swivel cap passes through.

As a further scheme of the invention, the main shaft is arranged in the middle of the volute and along the axis of the middle of the volute, and a mechanical seal is arranged between the volute and the main shaft.

As a further scheme of the invention, one end of the main shaft is positioned outside the volute and is connected with a motor shaft of the servo motor outside the volute.

As a further scheme of the invention, the water outlet is connected with a water discharge pipe, and the water inlet pipe is positioned in the middle of the front end of the volute.

As a further scheme of the invention, the air guide sleeve is fixed on the inner wall of the volute at the water inlet through screws, the filter cylinder is of a cylindrical structure, one end of the filter cylinder is fixedly connected with the air guide sleeve, and the rotary cover is arranged at the other end of the filter cylinder.

As a further scheme of the invention, the flow guide opening is communicated with the water inlet pipe.

As a further scheme of the invention, a fixed block is welded in the middle of the rotary cover, the fixed block is connected to one end of the rotary shaft, and the other end of the rotary shaft is connected with the main shaft through a coupler.

As a further scheme of the invention, the rotary cover consists of a rotary frame and a filter screen fixed on the rotary frame, the rotary frame consists of a plurality of connecting rods which are welded on the outer sides of the fixed blocks in a radial shape and a fixed ring fixed at the outer ends of the connecting rods, the filter screen is fixed on the rotary frame, and the filter screen is arranged on one side of the rotary frame close to the filter cartridge.

As a further scheme of the invention, a plurality of filter frames are welded on the rotary cover, the filter frames are positioned in the filter cylinder and distributed in a shape like a Chinese character 'mi', and the outer side surface of each filter frame is connected with a sewage discharge brush.

As a further proposal of the invention, the inner wall of the filter cylinder at one side of the sewage collecting opening is provided with sewage disposal comb teeth.

In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:

the invention relates to a water diversion device convenient for the reconstruction of a hydraulic turbine set.A filter assembly consisting of a flow guide cover, a filter cylinder and a rotary cover and used for filtering sewage and discharging impurities in the sewage is additionally arranged in a volute and is arranged at one end of a water inlet of the volute and the interior of the volute is communicated with a water inlet pipe; this kind of diversion device of hydraulic turbine set transformation of being convenient for of structure when hydraulic turbine set diversion operation, can carry out prefiltration with sewage and handle, improves the security and the life of hydraulic turbine set motion, is convenient for reform transform hydraulic turbine set inside, is applicable to and uses at hydraulic turbine set internally mounted.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a pod in an embodiment of the invention.

Fig. 3 is a schematic structural diagram of a filter cartridge in an embodiment of the invention.

Fig. 4 is a schematic structural diagram of a rotary cover in the embodiment of the invention.

FIG. 5 is a schematic diagram of a filter assembly according to an embodiment of the invention.

Reference numerals: 1-volute, 2-main shaft, 3-rotating wheel, 4-blade, 5-water inlet, 6-water outlet, 7-water discharge pipe, 8-water inlet pipe, 9-dome, 10-guide cone, 11-guide opening, 12-filter cartridge, 13-pollution discharge comb teeth, 14-pollution collection opening, 15-pollution discharge pipe, 16-rotary cover, 17-filter screen, 18-filter frame, 19-pollution discharge brush, 20-fixed block and 21-rotating shaft.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, a water diversion device convenient for the transformation of a hydraulic turbine set comprises a volute 1, a filter cartridge 12 and a rotary cover 16, wherein a spindle 2 is installed in the volute 1, the spindle 2 is installed in the middle of the volute 1 and arranged along the axis of the middle of the volute 1, and a mechanical seal is installed between the volute 1 and the spindle 2.

The water turbine is characterized in that a rotating wheel 3 is installed on a main shaft 2 inside the volute 1, blades 4 are installed on the rotating wheel 3, a water inlet 5 is formed in the middle of the front end of the volute 1, a water outlet 6 is formed in the bottom of the volute 1, the water outlet 6 is connected with a drain pipe 7, and water led out by a water turbine unit formed by the volute 1 and the rotating wheel 3 inside the volute is conveniently discharged through the drain pipe 7.

The water inlet 5 is connected with a water inlet pipe 8, the water inlet pipe 8 is located in the middle of the front end of the volute 1 and used for guiding water in a river into the volute 1 through the water inlet pipe 8, and the water is discharged from the water discharge pipe 7 under the rotation of the rotating wheel 3.

In an embodiment of the present invention, referring to fig. 1, 2, 3 and 4, a guiding cover 9 is further installed in the water inlet 5, a guiding cone 10 is disposed in the middle of the guiding cover 9, and a guiding opening 11 is disposed in the middle of the guiding cone 10, wherein the guiding cover 9 is fixed on the inner wall of the volute 1 at the water inlet 5, preferably, the guiding cover 9 is fixed on the inner wall of the volute 1 by screws, the guiding opening 11 is communicated with the water inlet pipe 8, referring to fig. 1, 2 and 3, the guiding cover 9 is connected with a filter cartridge 12, wherein the filter cartridge 12 is a cylindrical structure, one end of the filter cartridge 12 is fixedly connected with the guiding cover 9, and after the guiding cover 9 is fixed on the inner wall of the volute 1, the filter cartridge 12 is also fixed in the water inlet 5 of the volute 1.

Referring to fig. 1, 2, 3, 4 and 5, a rotary cover 16 is rotatably disposed at the other end of the filter cartridge 12, a fixing block 20 is welded at the middle of the rotary cover 16, the fixing block 20 is connected to one end of a rotating shaft 21, the other end of the rotating shaft 21 is connected to the spindle 2 through a coupling, wherein the rotating shaft 21 and the spindle 2 are disposed on the same axis, and when the spindle 2 is driven by a servo motor to rotate, the spindle 2 also drives the rotating shaft 21 to rotate, and then the rotary cover 16 is driven to rotate.

As a preferred embodiment of the present invention, referring to fig. 4, the rotary cover 16 is composed of a rotary frame and a filter screen 17 fixed on the rotary frame, wherein the rotary frame is composed of a plurality of connecting rods radially welded to the outer side of the fixed block 20 and a fixing ring fixed at the outer end of the connecting rods, so as to be welded to each other to form a rotary frame structure, which has high structural strength, and the filter screen 17 is fixed on the rotary frame, so as to conveniently filter the water flowing through the rotary frame.

Preferably, the filter screen 17 is disposed on a side of the rotating frame adjacent to the filter cartridge 12, so as to facilitate trapping of impurities in the filter cartridge 12.

In an embodiment of the present invention, referring to fig. 4, a filter frame 18 is further welded on the rotary cover 16, the filter frame 18 is located in the filter cylinder 12, a pollution discharge brush 19 is connected to an outer side surface of the filter frame 18, a pollution discharge port 14 is arranged at one side of the filter cylinder 12, pollution discharge comb teeth 13 are installed on an inner wall of the filter cylinder 12 at one side of the pollution discharge port 14, and the pollution discharge comb teeth 13 are used for combing and intercepting impurities on the pollution discharge brush 19, so as to conveniently intercept and drop the impurities into the pollution discharge port 14.

In an embodiment of the present invention, the rotary cover 16 is further welded with a plurality of filter frames 18, the filter frames 18 are located in the filter cylinder 12 and distributed in a shape like a Chinese character 'mi', the outer side surface of the filter frame 18 is connected with a pollution discharge brush 19, a pollution discharge port 14 is arranged at one side of the filter cylinder 12, pollution discharge comb teeth 13 are installed on the inner wall of the filter cylinder 12 at one side of the pollution discharge port 14, and the pollution discharge comb teeth 13 are used for combing and intercepting the impurities on the pollution discharge brush 19, so as to conveniently intercept and drop the impurities into the pollution discharge port 14.

The volute 1 on the outer side of the sewage collection opening 14 is connected with the sewage discharge pipe 15, the sewage discharge pipe 15 is communicated with the sewage collection opening 14, and therefore the sewage discharge comb teeth 13 can be conveniently intercepted and impurities falling into the sewage collection opening 14 can be conveniently discharged.

The water diversion device with the structure is convenient for water diversion of the hydraulic turbine set, can pre-filter the sewage during water diversion operation of the hydraulic turbine set, improves the motion safety and service life of the hydraulic turbine set, is convenient for reconstructing the interior of the hydraulic turbine set, and is suitable for being installed and used in the hydraulic turbine set.

The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.