WO2021042697A1

WO2021042697A1 - Vertical impulse double-nozzle integral turbine

Info

Publication number: WO2021042697A1
Application number: PCT/CN2020/079812
Authority: WO
Inventors: 张书荣
Original assignee: 赣州黄金沃特发电设备有限公司
Priority date: 2019-09-05
Filing date: 2020-03-18
Publication date: 2021-03-11
Also published as: CN110486209A; CN110486209B

Abstract

A vertical impulse double-nozzle integral turbine, comprising a draft tube (1), a generator (2), a group of water inlet pipes (3) and a pressure pipe (4); the pressure pipe (4) consists of a first conduit (401) and a second conduit (402), a filter assembly (5) is provided between and in communication with the first conduit (401) and the second conduit (402), the filter assembly (5) comprises a positioning pipe (6), a filter pipe (7) and a telescopic tube (8); one end face of the positioning pipe (6) is fixedly connected to one end face of the first conduit (401) by means of a flange and bolts, the positioning pipe (6) is located inside the first conduit (401), and an external threaded sleeve (601) is fixed on a surface of the flange on the positioning pipe (6), the outer diameter of the filter pipe (7) is the same as the inner diameter of the positioning pipe (6), and a positioning ring (701) is fixed at one end of the filter pipe (7). The filter assembly is mounted between the first conduit and the second conduit of the pressure pipe, solving the problems of blocking of the water inlet pipes and easy damage to an impeller caused by impact of foreign matter.

Description

Vertical impact double nozzle assembly machine

Technical field

The invention belongs to the technical field of water conservancy power generation, and particularly relates to a vertical impact type double-nozzle assembly machine.

Background technique

When the existing assembled machine is in use, the high-level water flow is discharged into the draft tube through the pressure pipe, the water inlet pipe and the nozzle, and the impeller is driven to rotate by the impact force of the water flow, thereby driving the shaft on the generator to rotate, thereby achieving power generation and discharge The water flow is discharged through the bottom end of the draft tube.

For the use of the integrated machine, it is mostly used in rivers and lakes. However, there may be debris carried in the water. When larger or more debris enters, the baffle of the deflector on the inlet pipe and the nozzle may be There will be blockage, which will affect the power generation efficiency of the complete machine. At the same time, if hard debris appears, it will hit the impeller when it is discharged through the nozzle, which will affect the service life of the impeller.

When the filter plate is installed in the pressure pipe, debris on the side of the filter plate will block the pressure pipe. At the same time, it is not easy to install and remove the filter plate installed in the pipe. At the same time, the water inlet end of the pressure pipe is mostly below the liquid level. It is necessary to dive into the water to operate the pressure pipe inlet pipe, which is still inconvenient for installation and removal of the filter plate, and inconvenient for the maintenance and repair of the user.

technical problem

The purpose of the present invention is to provide a vertical impact type double nozzle assembly machine, by dividing the pressure pipe into a first pipe and a second pipe, and installing a filter assembly between the first pipe and the second pipe, which solves the problem of the existing double nozzle assembly machine. The nozzle assembly machine does not have filter components, which causes the water inlet pipe to be blocked and the impeller is easily damaged by the impact of debris.

Technical solutions

In order to solve the above technical problems, the present invention is implemented through the following technical solutions:

The present invention is a vertical impingement double-nozzle assembly machine, which includes a draft tube, a generator, a set of water inlet pipes and a pressure pipe. The pressure pipe is composed of a first pipe and a second pipe. There is a filter component connected between the pipes;

The filter assembly includes a positioning tube, a filter tube and a telescopic tube;

One end of the positioning pipe is fixedly connected to one end of the first pipe by flanges and bolts, the positioning pipe is located inside the first pipe, and an external thread sleeve is fixed on a surface of the flange on the positioning pipe;

The outer diameter of the filter tube is the same as the inner diameter of the positioning tube, one end of the filter tube is fixed with a positioning ring, the positioning ring is in clearance fit with the outer thread sleeve, and the other end of the filter tube is fixed with an inclined plate, the inclined plate It is a sieve plate structure;

The telescopic tube includes an inner tube and an outer tube. The inner tube is located inside the outer tube and slidably fits with the outer tube. One end of the outer tube and one end of the inner tube are both fixed with a limit ring, and the outer tube upper limit ring is in contact with the inner tube. A telescopic hose is fixed between the inner wall of one end of the tube away from the limit ring;

The other end of the outer tube is rotatably connected with a threaded sleeve through a connecting piece, the outer tube is fixedly connected to one end of the positioning tube through the threaded sleeve and the outer threaded sleeve, a rotary handle is fixed on the peripheral side of the threaded sleeve, and the other end of the inner tube It is fixedly connected with one end of the second pipe through a flange and a bolt.

Further, the generator is fixed on the top end of the draft tube, an impeller is fixed at one end of the generator output shaft, and the impeller is located inside the draft tube. A group of the water inlet pipes are respectively fixed on opposite sides of the draft tube. A spray head is fixed at one end of the draft tube, and the spray head is opposite to the impeller position.

Further, one end of the first pipe away from the positioning pipe is fixedly communicated with one end of the two water inlet pipes through a set of elbow pipes, and an on-off valve is provided on the second pipe.

Further, a plurality of guide rods are fixed on a surface of the upper flange of the inner tube, and a plurality of guide sleeves are fixed on the peripheral side of the outer tube, and the guide rods are located inside the guide sleeve and slidably fit with the guide sleeve.

Further, the connecting piece is composed of an L-shaped ring and a rotating ring, the rotating ring is fixed at one end of the inner wall of the threaded sleeve, the L-shaped ring is fixed on one end of the outer tube, and the L-shaped ring is connected to the outer tube. A groove is formed between the end surfaces, and the rotating ring is located inside the groove and is slidingly fitted with the groove.

Further, an inner wall of the positioning tube is provided with a positioning groove, a positioning block is fixed on the peripheral side of the filter tube, and the positioning groove is in clearance fit with the positioning block.

Further, a handle is fixed on the inner wall of the filter tube, and the handle is a U-shaped handle.

Further, a deflector is inserted and fixed on the water inlet pipe, and a baffle is fixed at one end of the deflector located inside the water inlet pipe.

Further, the outer diameter of the positioning pipe is the same as the inner diameter of the first pipe, and between the upper flange of the positioning pipe and the upper flange of the first pipe, the upper flange of the inner pipe and the upper flange of the second pipe Sealing gaskets are arranged between the discs.

Further, an angle is formed between the inclined plate and the positioning ring, and the angle is in the range of 30-50°.

Beneficial effect

The present invention has the following beneficial effects:

1. In the present invention, by installing a filter tube in the pressure tube, filtering can be performed, avoiding the blockage of the water inlet pipe due to debris entering the water inlet pipe, and avoiding the situation that hard debris hits the impeller and causing the impeller to be easily damaged, thereby improving the impeller. The service life of the filter, through the inclined installation of the inclined plate for filtering, the filtered debris will be left at the angle between the inclined plate and the filter tube, reducing the probability of clogging.

2. The present invention facilitates the positioning and storage of the filter tube by providing the positioning tube, and facilitates the installation and removal between the telescopic tube and the positioning tube through the threaded fit of the threaded sleeve and the external threaded sleeve. A telescopic tube structure is arranged between them, and space can be reserved for the removal of the filter tube when it is removed, which facilitates the installation and removal of the filter tube, and facilitates the maintenance and cleaning of the filter tube by the user.

3. In the present invention, the guide sleeve is installed on the outer tube and the guide rod is installed on the inner tube to avoid the relative rotation of the outer tube and the inner tube, while improving the stability of the telescopic tube and improving the fixing ability between the outer tube and the inner tube. At the same time, a telescopic hose is arranged between the inner tube and the outer tube to avoid water leakage in the contact part of the inner tube and the outer tube due to excessive pressure.

Of course, any product implementing the present invention does not necessarily need to achieve all the advantages described above at the same time.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained from these drawings.

Fig. 1 is a schematic view of the structure of the vertical impingement double-nozzle assembly machine of the present invention when viewed from the bottom;

Figure 2 is a cross-sectional view of the structure of the draft tube and generator of the present invention;

Figure 3 is a schematic diagram of the structure of the filter assembly;

Figure 4 is an exploded view of the structure of the filter assembly;

Figure 5 is a structural cross-sectional view of the filter assembly;

Figure 6 is a schematic diagram of the structure of the positioning tube;

Figure 7 is a schematic diagram of the structure of the filter tube;

Figure 8 is a schematic diagram of the structure of the inner tube;

Figure 9 is a schematic diagram of the structure of the outer tube;

Figure 10 is a schematic diagram of the structure of the threaded sleeve;

In the drawings, the list of parts represented by each number is as follows:

1-draft tube, 2-generator, 3-inlet pipe, 4-pressure pipe, 5-filter assembly, 6-positioning tube, 7-filter tube, 8-telescopic tube, 201-impeller, 301-sprinkler, 302- Retractor, 401-first pipe, 402-second pipe, 403-switch valve, 404-elbow, 601-external thread sleeve, 602-locating groove, 701-locating ring, 702-sloping plate, 703-locating Block, 704-handle, 801-inner tube, 802-outer tube, 803-limit ring, 804-telescopic hose, 805-connector, 806-thread sleeve, 807-rotor, 808-guide rod, 809- Guide sleeve, 8051-L-shaped ring, 8052-rotating ring.

The best mode of the present invention

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Please refer to Figures 1-10. The present invention is a vertical impingement double-nozzle assembly machine, which includes a draft tube 1, a generator 2, a set of water inlet pipes 3 and a pressure pipe 4. The pressure pipe 4 consists of a first pipe 401 and The second pipe 402 is composed, and a filter assembly 5 is connected between the first pipe 401 and the second pipe 402;

The filter assembly 5 includes a positioning tube 6, a filter tube 7 and a telescopic tube 8;

One end of the positioning pipe 6 is fixedly connected to one end of the first pipe 401 by flanges and bolts, the positioning pipe 6 is located inside the first pipe 401, and an external thread sleeve 601 is fixed on one surface of the flange on the positioning pipe 6;

The outer diameter of the filter tube 7 is the same as the inner diameter of the positioning tube 6. A positioning ring 701 is fixed at one end of the filter tube 7 and the positioning ring 701 is in clearance fit with the external thread sleeve 601. The other end of the filter tube 7 is fixed with an inclined plate 702, which is Screen structure;

The telescopic tube 8 includes an inner tube 801 and an outer tube 802. The inner tube 801 is located inside the outer tube 802 and slidably fits with the outer tube 802. Both ends of the outer tube 802 and the inner tube 801 are fixed with a limit ring 803, and the outer tube 802 upper limit ring A telescopic hose 804 is fixed between the inner tube 803 and the inner wall of one end of the inner tube 801 away from the limit ring 803, and the connection of the pipe ends is facilitated by the telescopic hose 804;

The other end of the outer tube 802 is rotatably connected with a threaded sleeve 806 through the connecting piece 805. The outer tube 802 is fixedly connected to one end of the positioning tube 6 through the threaded sleeve 806 and the outer threaded sleeve 601. The peripheral side of the threaded sleeve 806 is fixed with a handle 807 and the inner tube 801 The other end is fixedly connected to one end of the second pipe 402 through a flange and a bolt.

As shown in Figure 1-2, the generator 2 is fixed on the top of the draft tube 1, and an impeller 201 is fixed at one end of the output shaft of the generator 2. The impeller 201 is located inside the draft tube 1, and a set of inlet pipes 3 are fixed opposite to the draft tube 1. On the side, the inlet pipe 3 is located in the draft tube 1 and a spray head 301 is fixed at one end, and the spray head 301 is opposite to the impeller 201 in position.

As shown in FIG. 1, one end of the first pipe 401 away from the positioning pipe 6 is fixedly connected to one end of the two water inlet pipes 3 through a set of elbow pipes 404, and an on-off valve 403 is provided on the second pipe 402. To

As shown in Figures 3-5 and 8-9, a number of guide rods 808 are fixed on one surface of the upper flange of the inner tube 801, and a number of guide sleeves 809 are fixed on the peripheral side of the outer tube 802. The guide rods 808 are located inside the guide sleeve 809. And it is in sliding cooperation with the guide sleeve 809, and the coordinated use of the guide rod 808 and the guide sleeve 809 can play a role of limiting and supporting.

As shown in Figure 3, Figure 5 and Figure 9-10, the connecting piece 805 is composed of an L-shaped ring 8051 and a rotating ring 8052. The rotating ring 8052 is fixed on one end of the inner wall of the threaded sleeve 806, and the L-shaped ring 8051 is fixed on the outer tube 802. On one end surface, a groove is formed between the L-shaped circular ring 8051 and one end surface of the outer tube 802, and the rotating ring 8052 is located inside the groove and slidably fits with the groove.

As shown in Figs. 5-7, a positioning groove 602 is provided on an inner wall of the positioning tube 6, a positioning block 703 is fixed on the peripheral side of the filter tube 7, and the positioning groove 602 is in clearance fit with the positioning block 703. The positioning groove 602 and the positioning block 703 are provided. , To ensure the installation angle of the filter tube 7.

As shown in FIG. 7, a handle 704 is fixed on the inner wall of the filter tube 7. The handle 704 is a U-shaped handle. The handle 704 is provided to facilitate the drawing of the filter tube 7.

As shown in FIG. 1, a deflector 302 is fixed through the water inlet pipe 3, and one end of the deflector 302 located inside the water inlet pipe 3 is fixed with a baffle plate.

Among them, the outer diameter of the positioning pipe 6 is the same as the inner diameter of the first pipe 401, between the upper flange of the positioning pipe 6 and the upper flange of the first pipe 401, the upper flange of the inner pipe 801 and the upper flange of the second pipe 402 There are sealing gaskets between the blue plates.

As shown in FIGS. 5 and 7, an angle is formed between the inclined plate 702 and the positioning ring 701, and the angle is in the range of 30-50°.

A specific application of this embodiment is: when in use, water flows into the filter tube 7 through the second pipe 402 and the telescopic tube 8, and the filtered water flow is discharged through the first pipe 401, the elbow 404, the water inlet pipe 3 and the nozzle 301, The water sprayed from the nozzle 301 drives the impeller 201 to rotate, thereby realizing the generator 2 to generate electricity.

When the filter tube 7 needs to be cleaned, turn the handle 807 to drive the threaded sleeve 806 to rotate, so that the threaded sleeve 806 is separated from the outer threaded sleeve 601. At this time, the outer tube 802 is pulled to move the outer tube 802 to the outside of the inner tube 801, and then the tube 6 is positioned. There is a space between the telescopic tube 8 and the filter tube 7 can be taken out for cleaning at this time.

In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific feature, structure, material, or characteristic described in combination with the embodiment or example is included in at least the present invention. In one embodiment or example. In this specification, the schematic representation of the above-mentioned terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiment does not describe all the details in detail, nor does it limit the invention to only the described specific embodiments. Obviously, many modifications and changes can be made according to the content of this manual. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

The vertical impingement double-nozzle assembly machine includes a draft tube (1), a generator (2), a set of water inlet pipes (3) and a pressure pipe (4), and is characterized in that: the pressure pipe (4) consists of A pipe (401) and a second pipe (402) are formed, and a filter assembly (5) is connected between the first pipe (401) and the second pipe (402);

The filter assembly (5) includes a positioning tube (6), a filter tube (7) and a telescopic tube (8);

One end of the positioning pipe (6) is fixedly connected to one end of the first pipe (401) through flanges and bolts, the positioning pipe (6) is located inside the first pipe (401), and the positioning pipe (6) An external thread sleeve (601) is fixed on one surface of the upper flange;

The outer diameter of the filter tube (7) is the same as the inner diameter of the positioning tube (6), one end of the filter tube (7) is fixed with a positioning ring (701), the positioning ring (701) and the external thread sleeve (601) With clearance fit, an inclined plate (702) is fixed at the other end of the filter tube (7), and the inclined plate (702) is a sieve plate structure;

The telescopic tube (8) includes an inner tube (801) and an outer tube (802). The inner tube (801) is located inside the outer tube (802) and slidably fits with the outer tube (802). The outer tube (802) The limit ring (803) is fixed at one end of the inner tube (801) and the upper limit ring (803) of the outer tube (802) and the inner wall of the end of the inner tube (801) away from the limit ring (803). There is a telescopic hose (804);

The other end of the outer tube (802) is rotatably connected with a threaded sleeve (806) through a connecting piece (805), and the outer tube (802) is connected to the positioning tube (6) through the threaded sleeve (806) and the external threaded sleeve (601). One end is fixedly connected, a handle (807) is fixed on the peripheral side of the threaded sleeve (806), and the other end of the inner pipe (801) is fixedly connected to one end of the second pipe (402) through a flange and a bolt.
The vertical impulse double-nozzle assembly machine according to claim 1, wherein the generator (2) is fixed on the top end of the draft tube (1), and an impeller (2) is fixed at one end of the output shaft of the generator (2). 201), the impeller (201) is located inside the draft tube (1), a group of the water inlet pipes (3) are respectively fixed on opposite sides of the draft tube (1), and the water inlet pipe (3) is located in the draft tube (1) A spray head (301) is fixed at the inner end, and the spray head (301) is opposite to the impeller (201) in position.
The vertical impact type double-nozzle assembly machine according to claim 1, wherein the end of the first pipe (401) away from the positioning pipe (6) passes through a set of elbow pipes (404) and two water inlet pipes (3). ) One end is fixedly connected, and the second pipe (402) is provided with an on-off valve (403).
The vertical impact double-nozzle assembly machine according to claim 1, characterized in that a plurality of guide rods (808) are fixed on a surface of the upper flange of the inner tube (801), and the outer tube (802) surrounds A number of guide sleeves (809) are fixed on the side surface, and the guide rods (808) are located inside the guide sleeve (809) and slidably fit with the guide sleeve (809).
The vertical impact double-nozzle assembly machine according to claim 1, characterized in that the connecting piece (805) is composed of an L-shaped ring (8051) and a rotating ring (8052), and the rotating ring (8052) ) Is fixed to one end of the inner wall of the threaded sleeve (806), the L-shaped ring (8051) is fixed on one end surface of the outer tube (802), and a groove is formed between the L-shaped ring (8051) and one end surface of the outer tube (802) The said rotating ring (8052) is located inside the channel and is in sliding fit with the channel.
The vertical impact double-nozzle assembly machine according to claim 1, characterized in that a positioning groove (602) is provided on an inner wall of the positioning tube (6), and a positioning block is fixed on the peripheral side of the filter tube (7) (703), the positioning groove (602) is in clearance fit with the positioning block (703).
The vertical impact double-nozzle assembly machine according to claim 1, wherein a handle (704) is fixed on the inner wall of the filter tube (7), and the handle (704) is a U-shaped handle.
The vertical impact type double-nozzle assembly machine according to claim 1, characterized in that, a deflector (302) is penetrated and fixed on the water inlet pipe (3), and the deflector (302) is located in the water inlet pipe ( 3) A baffle is fixed at one end of the inside.
The vertical impact type double-nozzle assembly machine according to claim 1, characterized in that the outer diameter of the positioning tube (6) is the same as the inner diameter of the first pipe (401), and the positioning tube (6) has an upper method Sealing gaskets are arranged between the flange plate and the upper flange plate of the first pipe (401), and between the upper flange plate of the inner pipe (801) and the upper flange plate of the second pipe (402).
The vertical impact type double-nozzle assembly machine according to claim 1, wherein an angle is formed between the inclined plate (702) and the positioning ring (701), and the angle is in the range of 30-50°.