CN202832942U - Chassis of horizontal impulse turbine with three nozzles - Google Patents
Chassis of horizontal impulse turbine with three nozzles Download PDFInfo
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- CN202832942U CN202832942U CN2012204002939U CN201220400293U CN202832942U CN 202832942 U CN202832942 U CN 202832942U CN 2012204002939 U CN2012204002939 U CN 2012204002939U CN 201220400293 U CN201220400293 U CN 201220400293U CN 202832942 U CN202832942 U CN 202832942U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a chassis of horizontal impulse turbine with three nozzles. The chassis of horizontal impulse turbine with three nozzles includes an engine base, a left cover and a right cover. The engine base, the left cover and the right cover are fixed tightly into one by bolts and nuts. The engine base is provided with a first nozzle holder, the left cover is installed with a second nozzle holder, and the right cover is provided with a third nozzle holder. The axis of first nozzle holder and the axis of second nozzle holder form an angle of alpha, the axis of second nozzle holder and the axis of third nozzle holder form an angle of beta, and the axis of third nozzle holder and the axis of first nozzle holder form an angle of gamma. Moreover, alpha, beta and gamma are respectively larger than 60 degrees and alpha plus beta and gamma equals 360 degrees. The chassis of horizontal impulse turbine with three nozzles enables the number of nozzle to increase from two to three by dividing the chassis into three parts, the engine base, the left cover and the right cover and installing nozzle holders respectively on the engine base, the left cover and the right cover for positioning nozzles, thereby avoiding large capacity power plants adopting vertical shaft impact units.
Description
Technical field
The utility model relates to hydro-electric power generating equipment, particularly the casing structure of horizontal three nozzle impact type water turbines.
Background technique
Can save the mineral fuel such as the limited coal of ample resources amount, oil with hydraulic resource generation.Water can not only have clean environment firendly, reproducible characteristics, and distributional region is wide, is a kind of development prospect and can further develop the green energy resource of excavation of having.At present, the impulse turbine that hydroelectric generator adopts is divided into horizontal and vertical two kinds of setting types, and horizontal impulse turbine is compared with the vertical shaft impact water turbine, and have the following advantages and beneficial effect: 1) environmental disruption is little; 2) power station is regulated and is guaranteed that safety satisfies easily; 3) generator efficiency is high; 4) construction period is short; 5) cost of investment is low; 6) repair and maintenance is convenient etc.
But because the defective on the Technology design, conventional horizontal impulse turbine only limits to horizontal single nozzle and horizontal twin nipple impulse turbine, does not have horizontal three nozzle impact type water turbines.The power station generate output of building as the user is larger, the nozzle number that causes impulse turbine work done needs is during greater than requiring more than the twin nipple, just must select vertical multi-jet turbine to substitute horizontal impulse turbine, thereby cause the series of problems such as cost of investment increases, the construction period in power station increases, detection inconvenient maintenance.And the bottleneck that really restricts horizontal multi-jet turbine development is the casing structure design to make most users have to select vertical multi-jet turbine.
The model utility content
The purpose of this utility model provides a kind of horizontal three nozzle impact type water turbine casings, makes the power station when generate output is larger, and the user still can select horizontal impact type unit, solves the technical problem of at present large capacity power station type selecting difficulty.
For this reason, the technological scheme that the utility model adopts is: a kind of horizontal three nozzle impact type water turbine casings, comprise support, key is: described support top is provided with left cover and right cover, the three is tightened to one by bolt and nut, be provided with the I fitting seat on the described support, be provided with the II nozzle carrier on the left cover, be provided with the III nozzle carrier on the right cover, the angle of described I nozzle carrier and II nozzle carrier axis is α, and the angle of II nozzle carrier and III nozzle carrier axis is β, and the angle of III nozzle carrier and I nozzle carrier axis is γ, and α, β, γ＞60 °, alpha+beta+γ=360 °.
This structure is by being divided into casing support, left cover, three parts of right cover, and a nozzle carrier respectively is set for nozzle is installed on support, left cover, right cover, make the nozzle quantity of horizontal impulse turbine be increased to three by two, thereby reach the purpose that the vertical shaft impact unit is avoided adopting in large capacity power station.Only be provided with a runner in the casing, this runner is impacted by three nozzles and rotates works done, thereby drives the generator generating, and the angle between three nozzle carriers has effectively been avoided the generation jet interference all greater than 60 °.
The axis of described I number, II number, III nozzle carrier is positioned on the same vertical plane, and the axis of I number, II number, III nozzle carrier is tangent with the runner pitch circle respectively, described I nozzle carrier and II nozzle carrier are positioned at the left side of runner pitch circle axis, and the III nozzle carrier is positioned at the right side of runner pitch circle axis; The angle α of described I nozzle carrier and II nozzle carrier axis is 75 ± 5 °, and the angle β of II nozzle carrier and III nozzle carrier axis is 90 ± 5 °, and the angle of III nozzle carrier and I nozzle carrier axis is that γ is 195 ± 5 °.The axis of three nozzle carriers is positioned on the same vertical plane and is tangent with the runner pitch circle respectively, thereby determined optimum angle between three nozzle carriers by the injection stream analysis, with the machine power of better utilizing waterpower to produce, strengthen generated energy thereby strengthen water turbine power.
The angle of the right side wall of described support and support bottom surface is δ, and 70 °≤δ≤90 °; The right side wall of support is positioned at the opposite of I nozzle carrier and II nozzle carrier, and the right side wall of support is obliquely installed, and is beneficial to draining, reduces the cascade thickness on the casing.
As preferably, be respectively arranged with the mounting flange of nozzle needle travel feedback device mounting flange and flow diverter axle on the sidewall of described support, left cover and right cover, be provided with the brake jet seat at the left wall of support.The mounting flange of nozzle needle travel feedback device mounting flange and flow diverter axle is respectively applied to install nozzle needle travel feedback device and flow diverter axle; The brake jet seat is used for brake jet is installed, and its active force to runner is just opposite to the active force of runner with nozzle, is used for stoping runner to rotate.
On described water turbine casing outer wall, the interface location place that contacts with mixed flow soil is provided with the annular water tank around casing outer wall one circle, and annular water tank is used for the condensed water that the discharging casing exposes the outer part of mixed earth.
The beneficial effects of the utility model are: casing structure is reasonable in design, be easy to manufacturing and mounting arrangements; Can save in a large number power station owner's direct investment, a large amount of construction periods of saving the power station, realize early the economic benefit in power station, make simultaneously the repair and maintenance of hydraulic turbine generator more convenient, to promoting the water power plant exploitation, environmental contamination reduction brings good social benefit.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the installation diagram of the utility model in Horizontal single-wheel three nozzle impact type water turbines.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Horizontal three nozzle impact type water turbine casings as shown in Figure 1 and Figure 2, by support 1, left cover 2, right cover 3, a plurality of bolt and nut 4 form.Support 1 is positioned at the below, and left cover 2 and right cover 3 are arranged on support 1 top, and the three is tightened to one by bolt and nut 4.Be provided with I nozzle carrier 5 on the support 1 and be used for the I nozzle is installed, be provided with II nozzle carrier 6 on the left cover 2 and be used for the II nozzle is installed, be provided with III nozzle carrier 7 on the right cover 3 and be used for installing the III nozzle.Runner is installed in the casing, and I number, II number, III nozzle carrier 5,6,7 are outside runner pitch circle 8.I nozzle carrier 5 is α with the angle of II nozzle carrier 6 axis, and II nozzle carrier 6 is β with the angle of III nozzle carrier 7 axis, and III nozzle carrier 7 is γ with the angle of I nozzle carrier 5 axis.
I number, II number, III nozzle carrier 5,6,7 axis are positioned on the same vertical plane, and I number, II number, III nozzle carrier 5,6,7 axis are tangent with runner pitch circle 8 respectively.I nozzle carrier 5 and II nozzle carrier 6 are positioned at the left side of runner pitch circle 8 axis, III nozzle carrier 7 is positioned at the right side of runner pitch circle 8 axis, I nozzle carrier 5 is 75 ± 5 ° with the angle α of II nozzle carrier 6 axis, II nozzle carrier 6 is 90 ± 5 ° with the angle β of III nozzle carrier 7 axis, III nozzle carrier 7 is that γ is 195 ± 5 ° with the angle of I nozzle carrier 5 axis, but is not limited to this.As long as satisfy α, β, γ＞60 °, ° all can in alpha+beta+γ=360.
The right side wall 1a of support 1 preferably is obliquely installed, and namely the angle of the right side wall 1a of support 1 and support 1 bottom surface is δ, and 70 °≤δ≤90 °.
Be respectively arranged with the mounting flange 9 of nozzle needle travel feedback device mounting flange 8 and flow diverter axle on the sidewall of support 1, left cover 2 and right cover 3, be provided with brake jet seat 10 at support 1 left wall.
Horizontal single-wheel three nozzle impact type water turbines as shown in Figure 3 are comprised of runner 13, I nozzle 14, II nozzle 15, III nozzle 16, brake jet 17 and nozzle intake pipe etc.Runner 13 is positioned at the middle part of casing, I nozzle 14 is installed on the support 1 by I nozzle carrier 5, II nozzle 15 is installed on the left cover 2 by II nozzle carrier 6, III nozzle 16 is installed on the right cover 3 by III nozzle carrier 7, three nozzles are around the periphery of runner 13 and all arrange towards runner 13, and brake jet 17 is installed on the support 1 by brake jet seat 10.
In conjunction with Fig. 1---shown in Figure 3, on the water turbine casing outer wall, be provided with the annular water tank 12 that encloses around casing outer wall one with the mixed flow soil 11 separating surface A positions that contact.
Claims (5)
1. horizontal three nozzle impact type water turbine casings, comprise support (1), it is characterized in that: described support (1) top is provided with left cover (2) and right cover (3), the three is tightened to one by bolt and nut (4), be provided with I nozzle carrier (5) on the described support (1), be provided with II nozzle carrier (6) on the left cover (2), be provided with III nozzle carrier (7) on the right cover (3), described I nozzle carrier (5) is α with the angle of II nozzle carrier (6) axis, II nozzle carrier (6) is β with the angle of III nozzle carrier (7) axis, III nozzle carrier (7) is γ with the angle of I nozzle carrier (5) axis, and α, β, γ＞60 °, alpha+beta+γ=360 °.
2. according to horizontal three nozzle impact type water turbine casings claimed in claim 1, it is characterized in that: the axis of described I number, II number, III nozzle carrier (5,6,7) is positioned on the same vertical plane, and the axis of I number, II number, III nozzle carrier (5,6,7) is tangent with runner pitch circle (8) respectively, described I nozzle carrier (5) and II nozzle carrier (6) are positioned at the left side of runner pitch circle (8) axis, and III nozzle carrier (7) is positioned at the right side of runner pitch circle (8) axis; Described I nozzle carrier (5) is 75 ± 5 ° with the angle α of II nozzle carrier (6) axis, II nozzle carrier (6) is 90 ± 5 ° with the angle β of III nozzle carrier (7) axis, and III nozzle carrier (7) is that γ is 195 ± 5 ° with the angle of I nozzle carrier (5) axis.
3. according to claim 1 or 2 described horizontal three nozzle impact type water turbine casings, it is characterized in that: the right side wall (1a) of described support (1) is δ with the angle of support (1) bottom surface, 70 °≤δ≤90 °.
4. according to horizontal three nozzle impact type water turbine casings claimed in claim 3, it is characterized in that: be respectively arranged with the mounting flange (9) of nozzle needle travel feedback device mounting flange (8) and flow diverter axle on the sidewall of described support (1), left cover (2) and right cover (3), Zuo Bishang is provided with brake jet seat (10) at support (1).
5. according to horizontal three nozzle impact type water turbine casings claimed in claim 4, it is characterized in that: on described water turbine casing outer wall, separating surface (A) position that contacts with mixed flow soil (11) is provided with the annular water tank (12) around casing outer wall one circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204002939U CN202832942U (en) | 2012-08-13 | 2012-08-13 | Chassis of horizontal impulse turbine with three nozzles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204002939U CN202832942U (en) | 2012-08-13 | 2012-08-13 | Chassis of horizontal impulse turbine with three nozzles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832942U true CN202832942U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204002939U Expired - Lifetime CN202832942U (en) | 2012-08-13 | 2012-08-13 | Chassis of horizontal impulse turbine with three nozzles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412103A (en) * | 2020-04-01 | 2020-07-14 | 浙江富春江水电设备有限公司 | Braking method for runner of impact type hydraulic generator |
-
2012
- 2012-08-13 CN CN2012204002939U patent/CN202832942U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412103A (en) * | 2020-04-01 | 2020-07-14 | 浙江富春江水电设备有限公司 | Braking method for runner of impact type hydraulic generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |