CN204152704U - A kind of spiral case not easily produces the water turbine of rigid deformation - Google Patents
A kind of spiral case not easily produces the water turbine of rigid deformation Download PDFInfo
- Publication number
- CN204152704U CN204152704U CN201420584118.9U CN201420584118U CN204152704U CN 204152704 U CN204152704 U CN 204152704U CN 201420584118 U CN201420584118 U CN 201420584118U CN 204152704 U CN204152704 U CN 204152704U
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- China
- Prior art keywords
- spiral case
- sand
- draft tube
- nose
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses the water turbine that a kind of spiral case not easily produces rigid deformation, comprise spiral case, seat ring, runner and draft tube, described spiral case lower weld has draft tube, is provided with seat ring in spiral case, is provided with runner in described draft tube; Described spiral case comprises the water inlet connected successively and connects pipeline section, snail joint and nose, and described water inlet connects pipeline section outside weldings a rigid annulus plate, and rigid annulus plate is provided with stiffening rib, and described nose bottom is connected with sand discharge structure; Described draft tube comprises the Taper Pipe, ell and the extension tube that connect successively, and extension tube outlet end is bent upwards and is provided with top cover, and top cover is provided with flexible rod, is provided with flow transducer, flexible rod is provided with displacement transducer in described top cover; The utility model improves spiral case water inlet and connects pipeline section anti-current-rush performance, the strong malformation avoiding follow-up snail joint, nose; The silt of spiral case nose can be discharged, reduce the wearing and tearing of silt to runner and spiral case; Service life of equipment is long.
Description
Technical field
The utility model relates to a kind of water turbine, and specifically a kind of spiral case not easily produces the water turbine of rigid deformation.
Background technique
The worm frame that water turbine generally adopts now connects pipeline section into water, the formations such as snail joint and nose, be welded by their each other assembled, because spiral case is larger, rigidity is poor, therefore when unit start runs, under the percussion of current, stressedly be directly passed to spiral case body, thus cause the rigid deformation of spiral case, the particularly power station of high head, because its water pressure is larger, cause its distortion meeting larger, serious words, spiral case can be caused to be shifted, pass to the most important stressed part seat ring of the water turbine be welded as a whole mutually with it simultaneously, can cause the safe and stable operation in power station and have a strong impact on, existing turbine draft tube extension tube is longer, the extension tube of draft tube is horizontally disposed with and distal opening, when current are less or dry season time, extension tube end is easily exposed outside the water surface, and air or foreign material etc. enter draft tube, makes draft tube, runner or stator etc. cavitation erosion occur and damage, or foreign matters from being blocked draft tube, cause current not smooth, the equipment that affects runs, therefore in the urgent need to improving to solve the problem to the water turbine of prior art.
Model utility content
The purpose of this utility model is to provide a kind of draft tube not easily to occur to cavitate or blocking phenomenon, structure is simple, long service life, spiral case not easily produce rigid deformation water turbine, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of spiral case not easily produces the water turbine of rigid deformation, comprise spiral case, seat ring, runner and draft tube, described spiral case lower weld has draft tube, in spiral case, seat ring is installed, seat ring inside is provided with stator, be provided with runner in draft tube, the center of described spiral case, seat ring, runner and draft tube is on same vertical axis; Described spiral case comprises the water inlet connected successively and connects pipeline section, snail joint and nose, described water inlet connects pipeline section outside weldings a rigid annulus plate, rigid annulus plate is provided with stiffening rib, and stiffening rib one end is connected on rigid annulus plate, and the other end is connected to and connects on the outer wall of pipeline section into water; Described draft tube comprises the Taper Pipe, ell and the extension tube that connect successively, the outlet end of extension tube is bent upwards and is provided with top cover, the top of top cover is connected with flexible rod, flexible rod is fixed by support, flow transducer is provided with inside described top cover, flexible rod is provided with displacement transducer, is provided with controller in support, described top cover is flexibly connected with extension tube outlet end; Sand discharge structure is connected with bottom described nose, described sand discharge structure comprises the sand well be arranged on below spiral case, the upper end of sand well is connected with bottom the nose of spiral case by sand pipe, and the upper end of sand well is also connected with Taper Pipe by aqueduct, and the bottom of sand well is connected with ell by sand discharge pipe.
As further program of the utility model: in described rigid annulus plate and stiffening rib Transducers Embedded in Concrete.
As the utility model further scheme: described sand pipe is provided with the first valve, and aqueduct is provided with the second valve, sand discharge pipe is provided with the 3rd valve, and described first valve, the second valve and the 3rd valve are electric valve.
As the utility model further scheme: the height of the connection part of described aqueduct and Taper Pipe, higher than the height at sand well top; The height of the connection part of described sand discharge pipe and ell, lower than the height of sand bottom.
Compared with prior art, the beneficial effects of the utility model are: the utility model arranges rigid annulus plate and stiffening rib by connecting pipeline section outer wall in the water inlet of spiral case, and be embedded in the concrete for fixing spiral case, substantially increase the anti-current-rush performance connecting pipeline section into water, advantageously avoid the malformation of follow-up snail joint, nose, improve stable equipment operation; The extension tube water intake height of draft tube is lower than water outlet, can effectively prevent air from entering draft tube, and there is cavitation phenomenon, in addition, flow transducer can measure the water velocity from extension tube outlet end, when flow velocity is lower than setting value or non-water flow, flexible rod extends, top cover is pushed and the outlet end of shutoff extension tube, thus stoping the evaporation of draft tube internal cause moisture, water level lower than the horizontal level of extension tube, and cavitates, simultaneously also prevent foreign matter from entering draft tube and the blocking that occurs, extend service life of equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is plan view of the present utility model.
Fig. 3 is the structural representation of spiral case in the utility model.
Embodiment
Be described in more detail below in conjunction with the technological scheme of embodiment to this patent.
Refer to Fig. 1-3, a kind of spiral case not easily produces the water turbine of rigid deformation, comprise spiral case 1, seat ring 2, runner 3 and draft tube 4, described spiral case 1 lower weld has draft tube 4, seat ring 2 is installed in spiral case 1, seat ring 2 inside is provided with stator 5, is provided with runner 3 in draft tube 4, and the center of described spiral case 1, seat ring 2, runner 3 and draft tube 4 is on same vertical axis; Described spiral case 1 comprises the water inlet connected successively and connects pipeline section 6, snail joint 7 and nose 8, described water inlet connects pipeline section 6 outside weldings a rigid annulus plate 9, rigid annulus plate 9 is provided with stiffening rib 10, stiffening rib 10 one end is connected on rigid annulus plate 9, the other end is connected to and connects on the outer wall of pipeline section 6, in described rigid annulus plate 9 and stiffening rib 10 Transducers Embedded in Concrete into water; Described draft tube 4 comprises the Taper Pipe 11, ell 12 and the extension tube 13 that connect successively, the outlet end of extension tube 13 is bent upwards and is provided with top cover 14, the top of top cover 14 is connected with flexible rod 15, flexible rod 15 is fixed by support 16, flow transducer 27 is provided with inside described top cover 15, flexible rod 15 is provided with displacement transducer 17, is provided with controller 18 in support 16, described top cover 15 is flexibly connected with extension tube 13 outlet end; Sand discharge structure 19 is connected with bottom described nose 8, described sand discharge structure 19 comprises the sand well 20 be arranged on below spiral case 1, the upper end of sand well 20 is connected with bottom the nose 8 of spiral case 1 by sand pipe 21, the upper end of sand well 20 is also connected with Taper Pipe 11 by aqueduct 22, the bottom of sand well 20 is connected with ell 12 by sand discharge pipe 23, described sand pipe 21 is provided with the first valve 24, aqueduct 22 is provided with the second valve 25, sand discharge pipe 23 is provided with the 3rd valve 26, and described first valve 24, second valve 25 and the 3rd valve 26 are electric valve; The height of the connection part of described aqueduct 22 and Taper Pipe 11, higher than the height at sand well 20 top; The height of the connection part of described sand discharge pipe 23 and ell 12, lower than the height bottom sand well 20.
Working principle of the present utility model is: in the utility model, the silt of spiral case 1 nose 8 enters in sand well 20 by sand pipe 21 precipitation, then the current in draft tube 4 Taper Pipe 11 are utilized to wash away sand well 20 by aqueduct 22, the silt of precipitation flows into the ell 12 of draft tube 4 through sand discharge pipe 23, discharged by extension tube 13, sand discharge is efficiently convenient, ensure that the nose 8 of spiral case 1 by a large amount of sand erosion, can not avoid runner 3 simultaneously and rotate not smooth phenomenon; Flow transducer 16 can measure the water velocity flowed out from extension tube 13 outlet end, when flow velocity is lower than setting value or non-water flow, controller 18 will be fed back signal to, instruction flexible rod 15 extends by controller 18, pushed by top cover 14 and the outlet end of shutoff extension tube 13, thus stop the evaporation of draft tube 4 internal cause moisture, water level is lower than the horizontal level of extension tube 13, and cavitate, simultaneously also prevent foreign matter from entering draft tube and the blocking that occurs.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned mode of execution, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. a spiral case not easily produces the water turbine of rigid deformation, comprise spiral case (1), seat ring (2), runner (3) and draft tube (4), described spiral case (1) lower weld has draft tube (4), seat ring (2) is installed in spiral case (1), seat ring (2) inside is provided with stator (5), be provided with runner (3) in draft tube (4), the center of described spiral case (1), seat ring (2), runner (3) and draft tube (4) is on same vertical axis; It is characterized in that: described spiral case (1) comprises the water inlet connected successively and connects pipeline section (6), snail joint (7) and nose (8), described water inlet connects pipeline section (6) outside weldings a rigid annulus plate (9), rigid annulus plate (9) is provided with stiffening rib (10), stiffening rib (10) one end is connected on rigid annulus plate (9), and the other end is connected to and connects on the outer wall of pipeline section (6) into water; Described draft tube (4) comprises the Taper Pipe (11), ell (12) and the extension tube (13) that connect successively, the outlet end of extension tube (13) is bent upwards and is provided with top cover (14), the top of top cover (14) is connected with flexible rod (15), flexible rod (15) is fixed by support (16), described top cover (15) inner side is provided with flow transducer (27), flexible rod (15) is provided with displacement transducer (17), be provided with controller (18) in support (16), described top cover (15) is flexibly connected with extension tube (13) outlet end; Described nose (8) bottom is connected with sand discharge structure (19), described sand discharge structure (19) comprises the sand well (20) being arranged on spiral case (1) below, the upper end of sand well (20) is connected with nose (8) bottom of spiral case (1) by sand pipe (21), the upper end of sand well (20) is also connected with Taper Pipe (11) by aqueduct (22), and the bottom of sand well (20) is connected with ell (12) by sand discharge pipe (23).
2. spiral case according to claim 1 not easily produces the water turbine of rigid deformation, it is characterized in that, in described rigid annulus plate (9) and stiffening rib (10) Transducers Embedded in Concrete.
3. spiral case according to claim 1 not easily produces the water turbine of rigid deformation, it is characterized in that, described sand pipe (21) is provided with the first valve (24), aqueduct (22) is provided with the second valve (25), sand discharge pipe (23) is provided with the 3rd valve (26), and described first valve (24), the second valve (25) and the 3rd valve (26) are electric valve.
4. spiral case according to claim 1 not easily produces the water turbine of rigid deformation, it is characterized in that, the height of the connection part of described aqueduct (22) and Taper Pipe (11), higher than the height at sand well (20) top; The height of the connection part of described sand discharge pipe (23) and ell (12), lower than the height of sand well (20) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584118.9U CN204152704U (en) | 2014-10-10 | 2014-10-10 | A kind of spiral case not easily produces the water turbine of rigid deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584118.9U CN204152704U (en) | 2014-10-10 | 2014-10-10 | A kind of spiral case not easily produces the water turbine of rigid deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152704U true CN204152704U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420584118.9U Expired - Fee Related CN204152704U (en) | 2014-10-10 | 2014-10-10 | A kind of spiral case not easily produces the water turbine of rigid deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152704U (en) |
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2014
- 2014-10-10 CN CN201420584118.9U patent/CN204152704U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: JIANG ZHONGMING LIU YE Effective date: 20150121 Owner name: CAI QUNWEN Free format text: FORMER OWNER: LIU GUANG Effective date: 20150121 Owner name: JIANG ZHONGMING LIU YE Effective date: 20150121 Owner name: YIYANG WATER CONSERVANCY AND HYDROPOWER CONSTRUCTI Free format text: FORMER OWNER: CAI QUNWEN Effective date: 20150121 |
|
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 230000 HEFEI, ANHUI PROVINCE TO: 413000 YIYANG, HUNAN PROVINCE |
|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150121 Address after: High tech Zone 413000 Hunan city of Yiyang province (South - reunion Hotel 9 floor) Patentee after: Yiyang water conservancy and Hydropower Construction Co.,Ltd. Address before: 413000 Yiyang city of Hunan province Heshan District Yi Road No. 12 Co-patentee before: Jiang Zhongming Patentee before: Cai Qunwen Co-patentee before: Liu Ye Effective date of registration: 20150121 Address after: 413000 Yiyang city of Hunan province Heshan District Yi Road No. 12 Co-patentee after: Jiang Zhongming Patentee after: Cai Qunwen Co-patentee after: Liu Ye Address before: Ganquan road Shushan District of Hefei City, Anhui province 230000 No. 81 Woye garden 11 room 1404 Patentee before: Liu Guang |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20151010 |
|
| EXPY | Termination of patent right or utility model |