CN209761622U - Valve group for water turbine - Google Patents
Valve group for water turbine Download PDFInfo
- Publication number
- CN209761622U CN209761622U CN201822237216.6U CN201822237216U CN209761622U CN 209761622 U CN209761622 U CN 209761622U CN 201822237216 U CN201822237216 U CN 201822237216U CN 209761622 U CN209761622 U CN 209761622U
- Authority
- CN
- China
- Prior art keywords
- valve
- water
- butterfly valve
- hydraulic
- water turbine
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model discloses a valve group for a water turbine, which comprises a water inlet hydraulic control butterfly valve with a hydraulic driving device, an upstream connector, a downstream connector, a bypass pipeline, a worm transmission type butterfly valve and an exhaust valve, wherein the upstream connector and the downstream connector are arranged at two ends of the water inlet hydraulic control butterfly valve, a water outlet with a flange is symmetrically arranged at the same side of the upstream connector and the downstream connector, the exhaust valve is arranged at the top of the downstream connector, the water outlet is communicated with the bypass pipeline, and the worm transmission type butterfly valve is arranged on the bypass pipeline, so that the utility model can quickly balance the internal and external pressure when the water turbine is started, the water flow can conveniently enter a machine body, the water flow can be effectively cut off when the water turbine is stopped and stopped for a long time, the maintenance and the maintenance of the water turbine are convenient, and the water flow can be manually and quickly closed, the occurrence of accidents is prevented.
Description
Technical Field
The utility model relates to a hydraulic equipment technical field, concretely relates to valves for hydraulic turbine.
Background
The hydraulic control butterfly valve is more advanced pipeline control equipment at home and abroad at present, is mainly installed at the inlet of a hydraulic turbine of a hydropower station and is used as an inlet valve of the hydraulic turbine; or the water pump is arranged at the water pump outlet of various pump stations of water conservancy, electric power, water supply and drainage and the like to replace the functions of a check valve and a gate valve. When the hydraulic pipeline system works, the valve is matched with the pipeline main machine, according to the principle of a hydraulic transition process, the pipeline water hammer is effectively eliminated through a preset opening and closing program, the reliable stopping of the pipeline is realized, and the effect of protecting the safety of the pipeline system is achieved. However, the existing hydraulic control butterfly valve has the advantages of large flow resistance coefficient, low automation degree, simple function and poor performance stability.
The existing water turbine is not high in tightness of a water inlet hydraulic control butterfly valve, the water inlet hydraulic control butterfly valve can leak after being used for a long time, maintenance operation of personnel is not facilitated, in addition, long-term shutdown is realized, a large amount of liquid can be accumulated in the water turbine due to long-term water leakage, the water turbine can creep and damage a water turbine unit, in the operation process of the water turbine, the unit can fly away, the butterfly valve can be closed untimely, the unit can be damaged, and when the water turbine is started after shutdown, the internal and external pressures of the water turbine are inconsistent, and the valve is difficult to open.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valves for hydraulic turbine solves the hydraulic turbine and leaks when shutting down, and is more difficult when the hydraulic turbine starts, the problem that the hydraulic turbine operation in-process can not quick butterfly valve and can not close fast.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a valves for hydraulic turbine, is including the liquid accuse butterfly valve of intaking, upstream connector, low reaches connector, bypass pipeline, worm transmission formula butterfly valve, the discharge valve that has hydraulic drive, it installs to intake liquid accuse butterfly valve both ends the upstream connector with the low reaches connector, the same one side symmetry of upstream connector and low reaches connector sets up a delivery port that has the flange, low reaches connector top is provided with discharge valve, the delivery port intercommunication the bypass pipeline, be provided with on the bypass pipeline worm transmission formula butterfly valve.
The further technical scheme is as follows: the water inlet hydraulic control butterfly valve comprises a valve seat with a stainless steel sealing pair, a first valve body, a first valve plate and a valve shaft with an oil-free self-lubricating bearing, wherein the valve seat is of a double-eccentric-type double-valve-seat structure, the first valve body with a whole frame type structure is installed on the valve seat, the valve plate with an eccentric overflowing type double-plate truss structure is installed in the first valve body in parallel, the valve plate is vertically installed and penetrates through the valve shaft of the first valve body, the valve shaft is in box-type silt-prevention structure with the axial sealing between the first valve body, and in addition, two end faces of the first valve body are provided with a flange plate used for connecting the upstream connector with the downstream connector.
The further technical scheme is as follows: the hydraulic locking device comprises an oil cylinder with an oil pump, an electromagnetic directional valve and a telescopic device, one end of the telescopic device is connected with the oil cylinder, the other end of the telescopic device is connected with a crank of the hydraulic control butterfly valve, the electromagnetic directional valve is arranged inside the oil cylinder, the electromagnetic directional valve is connected with two electromagnetic inductors, and the electromagnetic inductors are arranged at the opening and closing positions of the valve plate.
The further technical scheme is as follows: the hydraulic driving device is provided with a filtering device, the filtering device comprises an oil filter and a filter screen, the oil filter is installed at the oil inlet end of the oil pump, and the filter screen is vertically installed in an oil tank of the hydraulic driving device.
The further technical scheme is as follows: the hydraulic control butterfly valve of intaking is provided with manual mechanical locking device, manual mechanical locking device is including the hand pump that has the check valve, the hand valve that has the manometer, the expansion bend, hand pump one end with hydraulic drive device's oil tank is connected, the other end with the expansion bend is connected, hand valve installs the hand pump with between the expansion bend, the expansion bend with the crank of the hydraulic control butterfly valve of intaking is connected.
The further technical scheme is as follows: the water inlet hydraulic control butterfly valve is provided with a drainage device, the drainage device comprises a drain valve arranged on a downstream connector, a funnel-shaped water collection tank arranged at the bottom of the water turbine, and a drain pipe connected with the water collection tank, the drain pipe is arranged at the bottom of the water turbine, and the other end of the drain pipe is connected with the drain valve.
The utility model discloses can also: the worm drive formula butterfly valve both ends are provided with the ring flange that is used for connecting the bypass line, the ring flange is provided with the annular groove, the annular groove embeds there is the rubber gasket, and the second valve internal surface is provided with the annular rubber sealing pad of one deck middle zone notched, the annular rubber sealing pad structure is little in the middle of the big of both sides diameter, and the diameter is poor at 2-3cm, and second valve flange edge parcel has rubber seal.
Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least: the utility model discloses an inside and outside pressure before bypass pipeline and worm drive formula butterfly valve can effective balance hydraulic turbine start makes the hydraulic control butterfly valve that intakes open the process more smoothly. The hydraulic control butterfly valve that intakes has better leakproofness when closed state, and the phenomenon of leaking is difficult for taking place in the hydraulic turbine upper reaches, makes things convenient for the maintenance and the maintenance of the hydraulic turbine, and the hydraulic turbine stops the operation for a long time, can not lead to the inner chamber of the hydraulic turbine to accumulate a large amount of liquid because of long-time leaking, prevents that the hydraulic turbine from taking place the unit wriggling under liquid pressure, and the protection of the unit of being convenient for also can reduce the loss of hydroenergy simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structure schematic diagram of the water inlet hydraulic control butterfly valve of the present invention.
FIG. 3 is a schematic structural view of the worm drive type butterfly valve of the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows: the utility model provides a valves for hydraulic turbine, is including the liquid accuse butterfly valve of intaking 1, upstream connector 2, low reaches connector 3, bypass pipeline 4, worm transmission formula butterfly valve 5, discharge valve 6 that have hydraulic drive device, install 1 both ends of the liquid accuse butterfly valve of intaking 2 upstream connector with low reaches connector 3, 3 one side symmetry of upstream connector 2 and low reaches connector sets up a delivery port that has the flange, 3 tops of low reaches connector are provided with discharge valve 6, the delivery port intercommunication bypass pipeline 4, be provided with on the bypass pipeline 4 worm transmission formula butterfly valve 5.
FIG. 2 shows one embodiment: the water inlet hydraulic control butterfly valve 1 comprises a valve seat 11 with a stainless steel sealing pair, a first valve body 12, a valve plate 13 and a valve shaft 14 with an oil-free self-lubricating bearing, wherein the valve seat 11 is arranged into a double-eccentric double-valve-seat structure, the first valve body 12 with a whole frame type structure is installed on the valve seat 11, the valve plate 13 with an eccentric overflowing type double-flat-plate truss structure is installed in the first valve body 12 in parallel, the valve plate 13 is vertically installed and runs through the valve shaft 14 of the first valve body 12, the valve shaft 14 is in a box type silt-proof structure with axial sealing between the first valve body 12, and the water inlet hydraulic control butterfly valve 1 adopts a double-eccentric or three-eccentric sealing structure.
One embodiment is as follows: the hydraulic locking device that intakes 1 is provided with hydraulic locking device, hydraulic locking device is including the hydro-cylinder, the solenoid directional valve, the expansion bend 16 that have the oil pump, 16 one end of expansion bend with the hydro-cylinder links to each other, the other end with the crank 15 of the hydraulic control butterfly valve of intaking links to each other, the solenoid directional valve set up in the hydro-cylinder oil inlet, the solenoid directional valve is connected with two electromagnetic induction ware, the electromagnetic induction ware set up in valve plate 13 is opened and closed department, hydraulic locking device has two limit latched positions, and a hydraulic locking is thrown the position and is intake 1 full open state of hydraulic control butterfly valve, and another hydraulic locking is relieved the position and is intake 1 full close state of hydraulic control butterfly valve.
One embodiment is as follows: the hydraulic driving device is provided with a filtering device, the filtering device comprises an oil filter and a filter screen, the oil filter is installed at the oil inlet end of the oil pump, and the filter screen is vertically installed in an oil tank of the hydraulic driving device.
One embodiment is as follows: the hydraulic control butterfly valve 1 of intaking is provided with manual mechanical locking device, manual mechanical locking device is including the hand pump that has the check valve, the hand valve that has the manometer, expansion bend 16, hand pump one end with hydraulic drive device's oil tank is connected, the hand pump other end with expansion bend 16 is connected, the hand valve is installed the hand pump with between the expansion bend, expansion bend 16 with the crank 15 of the hydraulic control butterfly valve 1 of intaking is connected.
In another embodiment: the water inlet hydraulic control butterfly valve 1 is provided with a drainage device, the drainage device comprises a drain valve arranged on a downstream connector, a funnel-shaped water collection tank arranged at the bottom of the water turbine, and a drain pipe connected with the water collection tank, the drain pipe is arranged at the bottom of the water turbine, and the other end of the drain pipe is connected with the drain valve.
FIG. 3 shows one embodiment: the 5 both ends of worm drive formula butterfly valve are provided with the ring flange that is used for connecting bypass line 4, the ring flange is provided with annular groove 51, the annular groove embeds there is the rubber seal piece, and 52 internal surfaces of second valve body are provided with the annular rubber seal pad of one deck intermediate zone notched, the annular rubber seal pad structure is little in the middle of the both sides diameter is big, and the diameter is poor at 2-3cm, and the edge parcel of second valve plate 53 has rubber seal, rubber seal border shape with the sealed recess of annular rubber seal closely cooperates.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and arrangements, other uses will also be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a valves for hydraulic turbine, is including the liquid accuse butterfly valve (1) of intaking that has hydraulic drive device, its characterized in that: it installs upper reaches connector (2) and low reaches connector (3) to intake liquid accuse butterfly valve (1) both ends, upper reaches connector (2) with the same one side symmetry of low reaches connector (3) sets up a delivery port that has the flange, low reaches connector (3) top is provided with discharge valve (6), delivery port intercommunication bypass pipeline (4), be provided with worm drive formula butterfly valve (5) on bypass pipeline (4).
2. The valve group for a water turbine according to claim 1, wherein: inlet water pilot operated butterfly valve (1) is including having sealed vice disk seat (11), first valve body (12), valve plate (13) of stainless steel, having valve shaft (14) of oilless self-lubricating bearing, disk seat (11) set up to two disk seat structures of two eccentric formulas, install first valve body (12) of whole frame rack formula structure on disk seat (11), parallel mount has valve plate (13) of two dull and stereotyped truss structures of eccentric overflown formula in first valve body (12), valve plate (13) vertical install run through in valve shaft (14) of first valve body (12), just axial seal between valve shaft (14) and first valve body (12) is box silt-proof type structure.
3. The valve group for a water turbine according to claim 2, wherein: the hydraulic locking device is arranged on the water inlet hydraulic control butterfly valve (1), the hydraulic locking device comprises an oil cylinder with an oil pump, an electromagnetic directional valve and a telescopic device (16), one end of the telescopic device (16) is connected with the oil cylinder, the other end of the telescopic device is connected with a crank (15) of the water inlet hydraulic control butterfly valve, the electromagnetic directional valve is arranged inside the oil cylinder and is connected with two electromagnetic inductors, and the electromagnetic inductors are arranged at the opening and closing positions of the valve plate (13).
4. The valve group for a water turbine according to claim 3, wherein: the hydraulic driving device is provided with a filtering device, the filtering device comprises an oil filter and a filter screen, the oil filter is installed at the oil inlet end of the oil pump, and the filter screen is vertically installed in an oil tank of the hydraulic driving device.
5. The valve group for a water turbine according to claim 1, wherein: the water inlet hydraulic control butterfly valve (1) is provided with a manual mechanical locking device, the manual mechanical locking device comprises a hand pump with a one-way valve, a manual valve with a pressure gauge and a telescopic device (16), one end of the hand pump is connected with an oil tank of the hydraulic driving device, the other end of the hand pump is connected with the telescopic device, the manual valve is installed between the hand pump and the telescopic device (16), and the telescopic device (16) is connected with a crank (15) of the water inlet hydraulic control butterfly valve (1).
6. The valve group for a water turbine according to claim 1, wherein: the water inlet hydraulic control butterfly valve (1) is provided with a drainage device, the drainage device comprises a drainage valve arranged on a downstream connector, a funnel-shaped water collection tank arranged at the bottom of the water turbine, and a drainage pipe connected with the water collection tank, the drainage pipe is arranged at the bottom of the water turbine, and the other end of the drainage pipe is connected with the drainage valve.
7. The valve group for a water turbine according to claim 1, wherein: worm drive formula butterfly valve (5) both ends are provided with the ring flange that is used for connecting bypass pipeline (4), the ring flange is provided with annular groove (51), the annular groove embeds there is the rubber gasket, and second valve body (52) internal surface is provided with the annular rubber packing pad of one deck interband area notched, the annular rubber packing pad structure is little in the middle of the both sides diameter is big, and the diameter is poor at 2-3cm, and second valve plate (53) edge parcel has rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237216.6U CN209761622U (en) | 2018-12-28 | 2018-12-28 | Valve group for water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237216.6U CN209761622U (en) | 2018-12-28 | 2018-12-28 | Valve group for water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761622U true CN209761622U (en) | 2019-12-10 |
Family
ID=68747779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822237216.6U Active CN209761622U (en) | 2018-12-28 | 2018-12-28 | Valve group for water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700901A (en) * | 2021-08-20 | 2021-11-26 | 上海欧特莱阀门机械有限公司 | Hydraulic control butterfly valve capable of preventing runaway and working quickly |
-
2018
- 2018-12-28 CN CN201822237216.6U patent/CN209761622U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700901A (en) * | 2021-08-20 | 2021-11-26 | 上海欧特莱阀门机械有限公司 | Hydraulic control butterfly valve capable of preventing runaway and working quickly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202582854U (en) | Hydraulic station for testing air tightness of butterfly valve | |
| CN206019960U (en) | Lift non-return valve work seal detection means | |
| CN209761622U (en) | Valve group for water turbine | |
| CN211147960U (en) | A leakproofness detection device for gate valve | |
| CN205226316U (en) | Vertical reduction gear oil supplementing device | |
| CN107165854B (en) | Automatic control and recovery device for sealing water of water supply pump | |
| CN211398602U (en) | Inflatable butterfly valve | |
| CN211576806U (en) | Hydrostatic test device for control rod driving mechanism for nuclear power station | |
| CN207960931U (en) | A kind of water conservancy diversion end face seal slot | |
| CN208859044U (en) | A kind of pressure-adjusting type solenoid valve with corrosion resistance | |
| CN208151984U (en) | A kind of zero leakage pressurized type sealed gate | |
| CN203069333U (en) | Cooler water leakage on-line detection device | |
| CN216767483U (en) | Improve bearing seal system of steam turbine low pressure jar vacuum tightness | |
| CN218971926U (en) | Leakage self-closing valve for hydrogen path | |
| CN2751029Y (en) | Gas displacement device of gas tight box | |
| CN113700901A (en) | Hydraulic control butterfly valve capable of preventing runaway and working quickly | |
| CN212564926U (en) | High-efficiency pipeline filter | |
| CN220910486U (en) | High-temperature electric stop valve | |
| CN209397667U (en) | A kind of confluence integrated form water system | |
| CN218376776U (en) | Vacuum pump vacuum centralized collection device for chemical industry | |
| CN210318548U (en) | Double-seal water inlet butterfly valve with maintenance seal locking device | |
| CN204692100U (en) | A kind of helical-lobe compressor oil return apparatus of improvement | |
| CN213183286U (en) | Multistage water seal working principle demonstration device for shaft seal heater | |
| CN220816596U (en) | Automatic induction pipeline gas self-closing valve | |
| CN214168977U (en) | System for automatically opening tail gate of hydropower station through flat pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |