CN107725250A - An integrated hydraulic turbine - Google Patents

Abstract

The present invention relates to a kind of integral type hydraulic turbine.The device includes affixed each other housing and pump cover, the inside of housing is provided with and is sequentially connected logical turbine chamber, bearing chamber and pump chambers, the pump intake being connected with pump chambers is provided with the pump cover, the pump discharge being connected with pump chambers is provided with the driving rotor shell, the turbine entrance being connected respectively with turbine chamber and turbine outlet are provided with turbine housing；The turbo wheel is arranged in turbine chamber, and rotating shaft is arranged in bearing chamber, and driving runner is arranged in pump chambers；The turbo wheel, rotating shaft and driving runner are sequentially connected and are integrally formed formula part, and the self balanced element that countershaft axial force is balanced is additionally provided with the device.This turbine overall structure is simple and reduces power loss, and energy recovery efficiency is higher, while effectively reduces manufacturing cost, also ensure that the stability and reliability of whole hydraulic turbine operationally.

Description

A kind of integral type hydraulic turbine

Technical field

The invention belongs to turbine installation field, and in particular to a kind of integral type hydraulic turbine.

Background technology

In industrial application, most of process systems that larger hydraulic pressure be present, there is energy to reclaim Utilize.Remaining energy in industrial production is regenerative resource, and pressure-reducing valve is replaced with energy recycle device, avoids the wave of remaining energy Take.At present, integral type hydraulic turbine because its is simple in construction, can be completely achieved zero leakage, energy recovery efficiency is high the advantages that and get over Come in more high pressure liquid-rich pressure energy recovery for being applied to industrial circle, but in integral type hydraulic turbine balancing frame with Turbo wheel directly contacts, it is easy to the abrasion of balancing frame is caused, so as to influence the service life of device, meanwhile, should in industry By the use of it is more be that centrifugal pump reversion (hydraulic turbine) is generally hydraulic turbine, clutch as liquid energy retracting device, its structure Device, motor and pump, this type of drive because there is clutch centre as transmission parts, its energy recycle device efficiency typically compared with It is low, and component technology is complicated, cost is higher.

The content of the invention

In order to solve the above problems, it is an object of the invention to provide a kind of integral type hydraulic turbine, this hydraulic turbine passes through On the one hand by the way that impeller of pump, rotating shaft and turbo wheel are arranged into integral piece, the use of clutch, overall structure are not only avoided Simple and reduction power loss, and energy recovery efficiency is higher, while effectively reduce manufacturing cost；On the other hand also set Be equipped with the self balanced element that countershaft thrust is balanced, be effectively guaranteed the stability of whole hydraulic turbine operationally and Reliability.

The invention provides following technical scheme：

A kind of integral type hydraulic turbine, the device include the turbine housing by being coated on the outside of turbo wheel and are coated on drive The housing that driving rotor shell on the outside of turn wheel is formed, the inside of housing, which is provided with, is sequentially connected logical turbine chamber, bearing Chamber and pump chambers, the housing are affixed with pump cover close to the side of pump chambers；It is provided with the pump cover and is connected with pump chambers Logical pump intake, the pump discharge being connected with pump chambers is provided with the driving rotor shell, is provided with turbine housing point Turbine entrance and the turbine outlet not being connected with turbine chamber；The turbo wheel is arranged in turbine chamber, and rotating shaft is set In bearing chamber, driving runner is arranged in pump chambers；The turbo wheel, rotating shaft and driving runner are sequentially connected composition one Body formula part, the self balanced element being balanced to the rotating shaft axial force is additionally provided with the device.

Preferably, the turbine housing and the integral housing that driving rotor shell is integral casting forming, it is described to pump out Mouth, turbine entrance and turbine outlet are integrated on the integral housing.

Preferably, the outside of the driving runner is provided with runner stator, and the pump intake is connected with driving runner entrance, The driving outlet of rotary wheel is exported by runner stator to be connected with pump discharge；The bearing chamber inner wall is fixed with sliding axle Hold, the sliding bearing is set in the rotating shaft.

As a preferred embodiment of the present invention, the self balanced element is including being engaged with the turbo wheel and to institute The balancing frame that rotating shaft axial force is balanced is stated, the balancing frame is arranged in turbine chamber, and balancing frame is fixedly installed on shell On body；

The turbo wheel includes turbine front shroud, turbine blade and turbine back shroud, the turbine front shroud and turbine Balance pipe is provided between back shroud, the driving runner includes driving runner front shroud, driving runner bucket and driving runner Back shroud, the both ends of the rotating shaft connect turbine back shroud and driving runner back shroud respectively；It is provided with the rotating shaft and is situated between for pump The logical flow channels of mass flow, the entrance of the flow channels are arranged at the axial centre position of driving runner back shroud, cross and circulate Road extends along rotating shaft towards turbo wheel direction and the opening in communication with the balance pipe on turbine back shroud, the balance The opening on the turbine front shroud of pipe is towards the end face of balancing frame.

Preferably, some excessively stream by-paths in homogeneous radiation shape arrangement, the excessively stream are provided with the turbine back shroud By-path and the balance pipe correspond to each other setting, and one end of excessively stream by-path is connected with the flow channels, excessively stream by-path it is another One end is connected with the balance pipe；The porch of the flow channels is provided with anti-clogging unit.

Preferably, the anti-clogging unit includes anti-plug and the connector being connected with anti-plug；The connector Outside is provided with external screw thread, and the entrance of flow channels is provided with internal thread, and the connector is arranged on the entrance of flow channels Place, the anti-plug protrusion is in the outside of flow channels；Several have been evenly arranged in the cylindrical circumferential direction of anti-plug for pumping The cutting sheet of impurity, the flowing hole are connected with flow channels in the flowing hole of flow of media and several cutting pumped mediums It is logical.

As another preferred scheme of the present invention, the turbine porch is provided with the turbine that regulation enters in turbine chamber The flow regulating unit of rate-of flow.

Preferably, the flow regulating unit includes the lattice that is provided with for being arranged on turbine chamber inlet, and lattice will Turbine chamber ingress is separated into the introduction channel for leading to turbine chamber and the passing away away from turbine chamber, the passing away On be provided with close and open passing away valve member.

Preferably, the valve member include being arranged on regulation valve body on turbine housing and with the regulating valve body phase The regulating valve stem of cooperation；The regulation chamber being connected with turbine chamber and passing away is provided with the lattice, it is described Regulation valve body includes the sealed chamber being sequentially communicated and internal thread chamber, the sealed chamber are connected with passing away；It is described Regulating valve stem includes the regulation bar segment being engaged with regulation chamber, the sealing bar segment being engaged with sealed chamber and and internal thread The external screw thread bar segment that chamber is engaged；The external screw thread bar segment rotate cause regulating valve stem be in it is mobile to regulation chamber side and Closing passing away opens the working condition of passing away to away from the movement of regulation chamber side.

Preferably, the sealing bar segment first end is connected with regulation bar segment, the sealing end of bar segment second and external thread rod Duan Xianglian, described seal are arranged with seal assembly in bar segment；One end of the remote sealing bar segment of the external screw thread bar segment, which is provided with, to be connected Extension bar section, described to connect the connecting plate that ring-type is arranged with bar segment, the connecting plate is slidably matched with being connected bar segment composition, described Connecting plate is fixed on regulation valve body；The other end of the connection bar segment is provided with handle bar segment.

The beneficial effects of the invention are as follows：

1st, driving runner, rotating shaft and the turbo wheel in the present invention are sequentially connected the rotating unit for forming a monoblock type, It is also integral type or integrated part to drive runner, rotating shaft and turbo wheel three.Rotating unit in the present apparatus is not set Clutch or shaft coupling are put, is also therefore avoided in the prior art by clutch or shaft coupling by turbo wheel and driving The drawbacks of runner is connected.Rotating unit overall structure in the present apparatus is simple, not only reduces power loss, ensure that work Reliability and stability, and energy recovery efficiency is higher, simultaneously effective reduces manufacturing cost.

2nd, the present invention in housing be casting integral type or integrated part, and pump discharge, turbine entrance and thoroughly The equal integral casting forming of mouth of clearing simultaneously is integrated on the unitary members, so as to efficiently reduce the volume of energy recycle device And leakage point, material and processing cost are also greatly reduced, reduces assembly difficulty.In addition, the present apparatus in housing close to pump chamber The side of room is provided with pump cover, and the pump cover is fixedly connected with the casing and the two forms static seal.Therefore, the shell in the present invention The completely left out dynamic sealing part in part, so as to which the present invention is not only able to realize the purpose of zero leakage, also substantially increase whole The service life of device.

3rd, the present invention offers flow channels in the middle part of rotating shaft, is introduced and driven to turbo wheel side by flow channels The medium that runner itself is conveyed, and be pressurized using while driving runner rotation acting to the medium in flow channels, excessively stream In the gap being flowed between turbine front shroud and balancing frame of the pressurising medium Direct Uniform flowed out in passage, in this gap Pressurising medium promotes turbo wheel to be moved to the direction away from balancing frame, so as to have the function that to balance rotating shaft axial force；Simultaneously Pressurising medium leaks from turbine front shroud end face and the gap of balance side surface, plays a part of lubricating and cooling down both ends of the surface, Prevent from forming dry friction between two end faces.

4th, the present invention is provided with anti-clogging unit in the porch of flow channels, and the anti-clogging unit includes anti-plug, Anti- plug is provided with flowing hole and cutting sheet.Anti-clogging unit in the present apparatus realizes the filtering of medium using flowing hole, utilizes Cutting sheet is realized and the bulky grain in pumped medium is crushed and separated, and can not only prevent bulky grain to be blocked in flowing hole In, it also can effectively prevent slightly larger particle from entering in turbine front shroud end face and the gap for balancing side surface.

5th, the stream being adjusted to entering the turbine rate-of flow in turbine chamber is also provided with the present invention on housing Measure adjustment unit.The flow regulating unit includes the introduction channel for leading to turbine chamber and the discharge away from turbine chamber is led to Road, the introduction channel remain unobstructed, to ensure the minimum flow of turbine media flow；Then set on the passing away There is valve member, passing away can adjust the size of passing away opening according to real-time condition, so as to be adjusted into turbine chamber The turbine rate-of flow of room.The present invention can effectively adjust turbine Jie by setting up passing away and corresponding valve member It the flow of matter, ensure that turbine is not only able to adapt to various operating modes, and efficient operating efficiency can be kept.

6th, the valve member in flow regulating unit includes regulation valve body and the regulation being engaged with the regulation valve body Valve rod, the regulation valve body is the thickened section of housing, therefore the valve member in the present invention is not only simple in construction, and is worked Reliably, regulating effect is good.

7th, the present invention sets close along its circumferential annular groove, the interior setting of annular groove in the sealing bar segment of regulating valve stem Sealing assembly, so as to prevent that turbine medium from sealed chamber reveal inwardly by screw thread chamber.The setting of multiple annular grooves, and each ring Seal assembly is equipped with groove and further ensures sealing.

8th, the present invention puts that an electric handle is coupled, and electric handle passes through line in the handle bar segment peripheral hardware of regulating valve stem Road is connected with control system.The turbine rate-of flow entered in turbine chamber is debugged before work in advance and passing away opening is big Small relation, then when present apparatus normal operation, the flow signal that control system is fed back according to process system is logical to adjust discharge The openings of sizes in road, realize automatically adjusting for the turbine rate-of flow entered in turbine chamber.

Brief description of the drawings

Fig. 1 is the structural representation of Hydrodynamic unit.

Fig. 2 is balancing frame, turbo wheel, rotating shaft and the structural representation for driving runner.

Fig. 3 A are a kind of profiles of anti-clogging unit in embodiment.

Fig. 3 B are the top views of anti-clogging unit in another embodiment.

Fig. 4 A are the structural representations that passing away of the present invention completely closes.

Fig. 4 B are the full opening of structural representations of passing away of the present invention.

Fig. 5 is the structural representation of regulation valve body of the present invention.

Fig. 6 is the structural representation of regulating valve stem of the present invention.

The implication marked in accompanying drawing is as follows：

10- housing 11- turbine chamber 12- turbo wheel 121- turbine back shroud 122- turbines blade 123- Turbine front shroud 124- balance pipe 13- balancing frame 14- counter balance pocket 15- bearing chamber 16- pump chambers 17- rotating shafts 18- driving runner 181- driving runner front shroud 182- driving blades 183- drivings runner back shroud 19- crosses circulation Road

The anti-plug 202- connectors 203- flowing holes 204- cutting sheets 21- pumps of 20- anti-clogging units 201- Entrance 22- pump discharge 23- turbine entrance 24- turbines export 25- sliding bearing 26- runner 27-pump covers of stator

30- turbine access road 31- introduction channel 32- passing away 321- outlets

40- regulation valve bodies 41- adjusts chamber 42- sealed chamber 43- internal thread chambers

50- regulating valve stems 51- regulation bar segment 52- sealing bar segment 521- annular groove 522- seal assemblies 53- external screw thread bar segment 54- connection bar segment 55- connecting plate 56- handle bar segment 57- electric handle 58- control systems

60- lattices

70- plugs

Embodiment

Below with reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.

Hydrodynamic unit in the present invention includes housing unit, rotating unit, self balanced element, anti-clogging unit, flow altogether Adjustment unit etc. five is associated with each other and the part worked in coordination.Describe in detail one by one below.

1. housing unit

Housing unit in the present invention is made up of 27 two parts of housing 10 and pump cover.

Particularly, as shown in figure 1, the housing unit in the present invention is the turbine-casing by being coated on the outside of turbo wheel 12 The housing 10 for the monoblock type that body and the driving rotor shell being coated on the outside of driving runner 18 are collectively formed, the inside of housing 10 Provided with being sequentially connected logical turbine chamber 11, bearing chamber 15 and pump chambers 16.The turbo wheel 12 is arranged on turbine chamber In 11, rotating shaft 17 is arranged in bearing chamber 15, and driving runner 18 is arranged in pump chambers 16, the radial outside of the rotating shaft 17 Provided with the sliding bearing 25 being installed in bearing chamber 15.

As shown in figure 1, the side of the close pump chambers 16 of housing 10 is connected by bolt with pump cover 27, the pump cover 27 with The housing 10 forms static seal, and pump cover 27 is provided with the pump intake 21 through pump cover 27, the pump intake 21 and driving runner 18 entrances are connected, and the outside of driving runner 18 is provided with the runner stator 26 being fixedly connected with housing 10；Driving runner 18 exports Being exported by runner stator 26 and be connected with pump discharge 22, inlet end face and the pump cover 27 of runner stator 26 are formed against cooperation, The front opening of rotation stator 26 is socketed in the driving import of runner 18, forms sealing opening ring.

As shown in figure 1, the outside of housing 10 is also respectively provided with the turbine entrance 23 and turbine connected with turbine chamber 11 Outlet 24.The pump discharge 22, turbine entrance 23 and turbine export 24 integral casting formings and are integrated into the integral piece housing 10 On.

2. rotating unit

Rotating unit in the present invention is integral structure.

Particularly, as shown in Figure 1, 2, the rotating unit in the present invention includes turbo wheel 12 and driving runner 18.Institute Turbo wheel 12 is stated by turbine front shroud 123, turbine back shroud 121 and is arranged on turbine front shroud 123 and turbine back shroud Turbine blade 122 between 121 is formed.The driving runner 18 is by driving runner front shroud 181, driving runner back shroud 183 And the driving runner bucket 182 being arranged between driving runner front shroud 181 and driving runner back shroud 183 is formed.It is described The middle part of turbine back shroud 121 and driving runner back shroud 183 is connected with each other to form rotating shaft 17.

As shown in figure 1, the radial outside of rotating shaft 17 is arranged with sliding bearing 25, for ease of installation, the sliding bearing 25 Half fraction structure is arranged to, sliding bearing 25 is fixed on the inwall of bearing chamber 15, and the inwall of bearing chamber 15, which is provided with, to be used In the fixing structure of positioning sliding bearing 25.

Because turbo wheel 12, rotating shaft 17, the driving three of runner 18 are integral type part, therefore when turbo wheel 12 rotates When, drive the also synchronous axial system of runner 18.

3. self balanced element

As shown in Figure 1, 2, the self balanced element drives the side of runner 18 including being arranged on deviating from for turbo wheel 12 Balancing frame 13, and balancing frame 13 is fixedly installed in the side body 10 towards turbine outlet 24 of turbine runner 12.It is described flat Counter balance pocket 14 is provided between weighing apparatus disk 13 and the turbine front shroud 123 of turbo wheel 12.Embodiment as shown in Figure 2, it is described flat Weighing apparatus chamber 14 is the groove being arranged in the plate face towards the side of balancing frame 13 of turbine front shroud 123.The self balanced element Also include the flow channels 19 for pumped medium circulation being arranged in driving runner 18, rotating shaft 17 and turbo wheel 12.It is described Flow channels 19 are connected with the counter balance pocket 14.

Certainly, counter balance pocket 14 can also be arranged on balancing frame 13, or is arranged on balancing frame 13 and turbine protecgulum simultaneously On plate 123.Counter balance pocket 14 can also be not provided with, and now the opening of balance pipe 124 is then directly toward flat through turbine front shroud 123 The card of weighing apparatus disk 13.

As shown in Fig. 2 the axial centre of driving runner back shroud 183 that the flow channels 19 originate in driving runner 18 Position, and extend along rotating shaft 17 towards the direction of turbo wheel 12, after extending to the turbine back shroud 121 of turbo wheel 12, excessively stream Radial direction of the passage 19 along turbine back shroud 121 be divided into it is some in homogeneous radiation shape arrangement by-paths, the turbine back shroud 121 with The balance pipe 124 of the hollow form of some connections corresponding with the by-path, the balance pipe are provided between turbine front shroud 123 124 are connected with the counter balance pocket 14.

As shown in Fig. 2 the flow channels 19 have identical axial centre with rotating shaft 17, flow channels 19 are put down with multiple The centre of gyration of weighing apparatus pipe 124 is also identical.

After flow channels 19, balance pipe 124 and counter balance pocket 14 is provided with, the pumped medium of driving impeller 18 side can To pass sequentially through flow channels 19, balance pipe 124 enters counter balance pocket 14, and turbine is then promoted into the pumped medium in counter balance pocket 14 Impeller 12 moves to away from the direction of balancing frame 13, has the function that to balance rotating shaft axial force, simultaneous pumping medium is from turbine protecgulum Leaked in plate end face and the gap of balance side surface, play a part of lubricating and cooling down both ends of the surface.

4. anti-clogging unit

Prevent from leading to as shown in Fig. 2 the flow channels 19 are provided with its porch on driving runner back shroud 181 The anti-clogging unit 20 that road blocks.

As shown in Fig. 3 A, 3B, the anti-clogging unit 20 includes anti-plug 201 and the connection being connected with anti-plug 201 First 202.The outside of the connector 202 is provided with external screw thread, and the entrance of flow channels 19 is provided with internal thread, the connection First 202 are arranged on the porch of flow channels 19, and the anti-plug 201 is protruded in the outside of flow channels 19.Anti- plug 201 Several are evenly arranged in cylindrical circumferential direction in the flowing hole 203 of pumped medium circulation and several cutting pumped mediums The cutting sheet 204 of impurity, the flowing hole 203 are connected with flow channels 19.

As shown in Figure 3 B, flowing hole 203 and the arranged for interval of cutting sheet 204 so that impurity enter flowing hole 203 it It is preceding just effectively to be broken up.

5. flow regulating unit

The turbine housing is provided with the flow regulating unit for the rate-of flow that regulation passes through turbo wheel 12.

As shown in Fig. 4 A, 4B, what flow regulating unit included being arranged on the porch of turbine chamber 11 is provided with lattice 60, divides The entrance of turbine chamber 11 is separated into the introduction channel 31 for leading to turbine chamber 11 and the discharge away from turbine chamber 11 every portion 60 Passage 32, the valve member closed and open passing away 32 is provided with the passing away 32.

As shown in Fig. 4 A, 4B, 5, the turbine housing is provided with the regulating valve for thickening shape in the lower end of the passing away 32 Body 40, the sealed chamber 42 being connected with passing away 32 and internal thread chamber 43, the lattice are provided with regulation valve body 40 The regulation chamber 41 that one end is connected with passing away 32, the other end and turbine chamber of the regulation chamber 41 are provided with 60 11 are connected.Regulation chamber 41, sealed chamber 42 and the internal thread chamber 43 are arranged successively, and adjust chamber 41 and annular seal space Set up the radially opposite sides in passing away 32 separately in room 42.

As shown in Fig. 4 A, 4B, 6, the flow regulating unit also includes the regulating valve being engaged with the regulation valve body 40 Bar 50, regulating valve stem 50 include the regulation bar segment 51 being engaged with regulation chamber 41, the seal bar being engaged with sealed chamber 42 Section 52 and the external screw thread bar segment 53 being engaged with internal thread chamber 43.

As shown in fig. 6, the sealing first end of bar segment 52 is connected with regulation bar segment 51, the end of bar segment 52 second and external thread rod are sealed Section 53 is connected, and external screw thread bar segment 53 is provided with connection bar segment 54, connects and is arranged with connecting plate 55, the connection bar segment in bar segment 54 54 are slidably matched with the composition of connecting plate 55, and connecting plate 55 is bolted on regulation valve body 40.Pass through rotating external threads bar Section 53 drives the axial movement of sealing bar segment 52, regulation bar segment 51 along regulating valve stem 50, realizes to the openings of sizes of passing away 32 Regulation, so as to realize to enter turbine chamber 11 flow regulation.

The annular groove 521 being circumferentially arranged along it is set in sealing bar segment 52, and being set in annular groove 521 prevents from being situated between Seal assembly 522 of the matter from the leakage of screw thread chamber 43 inwardly of sealed chamber 42.

As shown in fig. 6, the annular groove 521 in the present embodiment is arranged to two, (quantity of certain annular groove 521 may be used also To be arranged to more than two, for example, three, four or more), and be equipped with seal assembly 522 in each annular groove 521. The seal assembly 522 can be selected as sealing ring.

As shown in fig. 6, regulation bar segment 51, sealing bar segment 52, external screw thread bar segment 53 and connection bar segment 54 are integrated part.

As shown in figure 5, turbine housing, lattice 60, the three of regulation valve body 40 are integrated part.

As shown in fig. 6, regulating valve stem 50 also includes the handle bar segment 56 connected with being connected bar segment 54, handle bar segment 56 is set Put and be easy to rotate regulating valve stem 50.

As shown in Fig. 4 A, 4B, the handle bar segment 56 is provided with electric handle 57, and electric handle 57 passes through wire and control System 58 is connected.When control system 58 receives the instruction for the rate-of flow for being lowered into turbine cavity 11, control system 58 is controlled Electric handle 57 processed rotates, and makes regulating valve stem 50 mobile to the outside of regulation valve body 40, is ultimately at state as shown in Figure 4 B, this When passing away 32 aperture it is maximum, and now the certain media of turbine chamber 11 is also drained from passing away 32.When control is System 58 receive increase into turbine cavity 11 rate-of flow when, control system 58 control electric handle 57 rotate, make regulating valve Bar 50 is ultimately at state as shown in Figure 4 A, now the thorough closing of passing away 32 to the medial movement of regulation valve body 40.

The handle bar segment 56 and/or electric handle 57 are rotational handle.

As shown in Fig. 4 A, 4B, 5, the lower end of the passing away 32 is provided with outlet 321, is provided with outlet 321 Plug 70.When this Hydrodynamic unit does not work, plug 70 is blocked at outlet 321.When Hydrodynamic unit works, take Fall plug 70.

The Hydrodynamic unit in the present invention is described further with reference to the specific course of work.

When Hydrodynamic unit in the present invention works, high-pressure medium flows into from turbine entrance 23, and driving turbo wheel 12 rotates, Turbo wheel 12 drives driving runner 18 to rotate, and driving runner 18 is flowed into from pump intake 21 by the low-pressure fluid that pump end conveys It is interior, kinetic energy is obtained by the rotation of driving runner 18, runner stator 26 is flowed out to from the outlet of driving runner 18 after supercharging, through runner The rectification of stator 26 and further supercharging are flowed out in next process system from pump discharge 22, realize the conveying of low-pressure fluid, The high-pressure medium decompression for flowing through turbo wheel 12 simultaneously is low-pressure medium, and next process system is flowed out to by turbine outlet 24 In, realize the energy regenerating of high-pressure medium pressure energy.

The housing 10 of whole Hydrodynamic unit be integrated part, therefore after the completion of Hydrodynamic unit assembling, only pump cover 27 and Static seal between housing 10, stationary seal part, it can be completely achieved zero leakage requirement.On Hydrodynamic unit turbine outlet 24, Turbine entrance 23 and pump discharge 22, pump intake 21 are connected by flange or the mode of welding with other process pipes, easy to connect.

When rotating shaft 17 in the present invention rotates, the certain media flowed into by pump intake 21 is flowed into by anti-clogging unit 20 In flow channels 19, flow through the medium after flow channels 19 and obtained certain pressure energy by the rotation of rotating shaft 17, this has a level pressure The medium of energy is continuously introduced in the balance pipe 124 of turbo wheel 12, is finally entered via balance pipe 124 in counter balance pocket 14.Just During stage beginning, the end face of balancing frame 13 and the end face of turbo wheel back shroud 123 fit, and have one into counter balance pocket 14 Under the impetus of the medium of level pressure energy, turbo wheel 12 moves towards away from the direction of balancing frame 13, reaches the work of balancing axial thrust With, meanwhile, there is the medium of certain pressure energy to be flowed out from the counter balance pocket 14 of two end faces for this, play lubrication, cooling balancing frame 13 With the effect of the both ends of the surface of turbo wheel back shroud 123, prevent two end faces from producing dry friction.

The entrance of turbine chamber 11 in the present invention connects with upstream line, after turbine medium enters the entrance of turbine chamber 11, A portion is directly entered in turbine chamber 11 by introduction channel 31, is then exported and is flowed out from turbine chamber 11, another portion Divide and then enter passing away 32.The rate-of flow signal that control system 58 is fed back according to process system is opened to adjust passing away 32 The size of mouth, automatically adjusting for rate-of flow is realized by electric handle 57.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.

Claims (10)

1. A kind of integrated hydraulic turbine, it is characterized in that, this device comprises by the turbine shell that is coated on the turbine impeller (12) outside and the drive runner shell that is coated on the drive runner (18) outside The casing (10) that body constitutes, the interior of casing (10) is provided with the turbine chamber (11), bearing chamber (15) and pump chamber (16) that are connected successively, and described casing ( 10) The side close to the pump chamber (16) is affixed to the pump cover (27); the pump cover (27) is provided with a pump inlet (21) communicating with the pump chamber (16), and the drive A pump outlet (22) connected to the pump chamber (16) is provided on the runner casing, and a turbine inlet (23) and a turbine inlet (23) connected to the turbine chamber (11) are provided on the turbine casing. Flat outlet (24); the turbine impeller (12) is arranged in the turbine chamber (11), the rotating shaft (17) is arranged in the bearing chamber (15), and the driving runner (18) is arranged in the pump chamber (16); the turbine impeller (12), the rotating shaft (17) and the driving runner (18) are connected successively to form an integral part, and the device is also provided with the axial force of the rotating shaft (17) to balance the self-balancing unit. 2. A kind of integrated hydraulic turbine according to claim 1, characterized in that, the turbine casing and the drive runner casing are an integrated casing (10) integrally cast and formed, and the pump Outlet (22), turbine inlet (23) and turbine outlet (24) are integrated on the one-piece housing (10). 3. A kind of integrated hydraulic turbine according to claim 1 or 2, characterized in that, the outer side of the driving runner (18) is provided with runner guide vanes (26), and the pump inlet (21 ) is communicated with the drive runner (18) inlet, and the drive runner (18) outlet is communicated with the pump outlet (22) through the runner guide vane (26) outlet; the bearing chamber (15) inner wall is fixed with A sliding bearing (28), the sliding bearing (28) is sheathed on the rotating shaft (17). 4. The integrated hydraulic turbine according to claim 1 or 2, characterized in that, the self-balancing unit includes a shaft that is matched with the turbine impeller (12) and opposite to the rotating shaft (17). A balance disc (13) for balancing force, the balance disc (13) is arranged in the turbine chamber (11), and the balance disc (13) is fixedly arranged on the casing (10); The turbine impeller (12) comprises a turbine front cover (123), a turbine blade (122) and a turbine rear cover (121), and the turbine front cover (123) and the turbine rear cover (121) is provided with balance pipe (124), and described driving runner (18) comprises driving runner front cover plate (181), driving runner blade (182) and driving runner rear cover plate (183), The two ends of the rotating shaft (17) are respectively connected to the turbine rear cover (121) and the driving wheel rear cover (183); the rotating shaft (17) is provided with a flow channel (19) for the circulation of the pump medium , the inlet of the flow channel (19) is arranged at the axial center position of the rear cover plate (183) of the driving runner, the flow channel (19) extends along the rotating shaft (17) towards the direction of the turbine impeller (12) and It communicates with the opening of the balance pipe (124) on the turbine rear cover (121), and the opening of the balance pipe (124) on the turbine front cover (123) faces the end face of the balance plate (13) . 5. An integrated hydraulic turbine according to claim 4, characterized in that, the turbine rear cover plate (121) is provided with a number of flow passages arranged in a uniform radial pattern, the flow flow The branch and the balance pipe (124) are arranged corresponding to each other, one end of the flow branch is connected to the flow passage (19), and the other end of the flow branch is connected to the balance pipe (124); An anti-blocking unit (20) is arranged at the entrance of the flow passage (19). 6. An integrated hydraulic turbine according to claim 5, characterized in that the anti-clogging unit (20) comprises an anti-clogging head (201) and a connecting head ( 202); the outside of the connector (202) is provided with external threads, and the inlet section of the flow passage (19) is provided with internal threads, and the connection head (202) is installed at the entrance of the flow passage (19), The anti-blocking head (201) protrudes from the outside of the flow channel (19); several flow holes (203) for the circulation of the pumping medium are uniformly arranged on the outer circumference of the anti-blocking head (201) and several A cutting piece (204) for cutting impurities in the pumped medium, and the flow hole (203) communicates with the flow channel (19). 7. A kind of integrated hydraulic turbine according to claim 1, characterized in that, the turbine inlet (23) is provided with a flow rate for regulating the flow rate of the turbine medium entering the turbine chamber (11). Adjustment unit. 8. A kind of integrated hydraulic turbine according to claim 7, characterized in that, the flow regulating unit comprises a partition (60) arranged at the inlet of the turbine chamber (11), the partition ( 60) The inlet of the turbine chamber (11) is divided into an introduction passage (31) leading to the turbine chamber (11) and a discharge passage (32) away from the turbine chamber (11), and the discharge passage (32 ) is provided with a valve assembly for closing and opening the discharge channel (32). 9. A kind of integrated hydraulic turbine according to claim 8, characterized in that, the valve assembly comprises a regulating valve body (40) arranged on the turbine housing and is connected with the regulating valve body (40 ) matched regulating valve stem (50); the partition (60) is provided with a regulating chamber (41) communicating with both the turbine chamber (11) and the discharge channel (32), and the regulating valve The body (40) includes a sealed chamber (42) and an internal threaded chamber (43) connected in sequence, and the sealed chamber (42) communicates with the discharge channel (32); the regulating valve stem (50) includes a The adjusting rod section (51) matched with the adjusting chamber (41), the sealing rod section (52) matched with the sealed chamber (42), and the externally threaded rod section (53) matched with the internally threaded chamber (43) ); the externally threaded rod section (53) rotates so that the regulating valve rod (50) moves toward the regulating chamber (41) side to close the discharge channel (32) or moves away from the regulating chamber (41) side to Open the working state of the discharge channel (32). 10. An integrated hydraulic turbine according to claim 9, characterized in that, the first end of the sealing rod section (52) is connected to the adjusting rod section (51), and the sealing rod section (52) The second end is connected to the externally threaded rod section (53), and the sealing assembly (522) is sleeved on the sealing rod section (52); one end of the externally threaded rod section (53) away from the sealing rod section (52) A connecting rod section (54) is provided, and an annular connecting plate (55) is sleeved on the connecting rod section (54), and the connecting plate (55) forms a sliding fit with the connecting rod section (54). The connecting plate (55) is fixed on the regulating valve body (40); the other end of the connecting rod section (54) is provided with a handle rod section (56).