CN211202403U - Hydraulic working condition adjusting rotary guide vane module - Google Patents
Hydraulic working condition adjusting rotary guide vane module Download PDFInfo
- Publication number
- CN211202403U CN211202403U CN201921438810.XU CN201921438810U CN211202403U CN 211202403 U CN211202403 U CN 211202403U CN 201921438810 U CN201921438810 U CN 201921438810U CN 211202403 U CN211202403 U CN 211202403U
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- guide vane
- rotary guide
- cover plate
- rotary
- turbine
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- 238000007789 sealing Methods 0.000 claims description 25
- 230000026683 transduction Effects 0.000 claims description 8
- 238000010361 transduction Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 238000010612 desalination reaction Methods 0.000 abstract description 6
- 239000013535 sea water Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000001223 reverse osmosis Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of fluid machinery, a rotatory stator module is adjusted to water conservancy operating mode, rotatory stator module includes: rotatory stator back shroud, rotatory stator front shroud, rotatory stator drive gear, rotatory stator is integrated fashioned independent component, contains: rotatory stator back seat, blade, rotatory stator front stall, axle, the utility model discloses when adjusting the use, rotate and drive rotatory stator drive gear through sun gear, the stator takes place to rotate and changes the stator aperture, the utility model provides a technical scheme can be applied to in the system such as reverse osmosis sea water desalination, not only can just can carry out the operating mode and adjust in the condition of not changing the device, can also widen the high efficiency district scope under the multiplex condition application.
Description
Technical Field
The utility model belongs to the technical field of fluid machinery, specific theory relates to a rotatory stator module is adjusted to water conservancy operating mode.
Background
The pump and the turbine or a turbine pump integrated machine (turbine pump for short) combining the pump and the turbine are indispensable devices for medium pressurization or energy recovery in industry, the structure of the existing device has certain limitation on the adjustment of working conditions, and equipment of different models and specifications is often required to meet the use requirements of different working conditions.
The turbo pump combines a pump and an energy recovery device, and is commonly used in a reverse osmosis seawater desalination system. However, the requirement of the system on the seawater desalination recovery rate is not constant, so that higher working condition regulation requirements are provided for the pump and the energy recovery device. The main modes for adjusting the recovery rate in the prior art comprise bypass adjustment and needle valve adjustment, and the principles of the bypass adjustment and the needle valve adjustment achieve the purpose of adjusting the working condition by reducing the flow of a high-pressure medium. However, the result is a more complex device structure and an energy recovery efficiency that is not guaranteed. The best mode is that the movable guide vane is adopted for adjusting the working condition, but the movable guide vane has various structural designs, but the movable guide vane is difficult to match with a pump or an energy recovery device for structural design, and the currently published patent only discloses the form, but is difficult to clearly determine the specific application mode of the pump device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotatory stator module is adjusted to water conservancy operating mode can be applied to among the systems such as reverse osmosis sea water desalination, not only can just can carry out the operating mode and adjust in the condition of not changing the device, can also widen the high efficiency region scope under the multiplex condition of application.
The utility model discloses a following technical scheme realizes:
a hydraulic conditioning rotary vane module, the rotary vane module comprising: the rotary guide vane rear cover plate is annular, and the rotary guide vane front cover plate is annular;
the rotary guide vane is an integrally formed independent component and comprises: the rotary guide vane comprises a rotary guide vane rear seat, blades, a rotary guide vane front seat and a shaft, wherein the rotary guide vane rear seat and the transduction vane front seat are cylindrical, the blades are flaky, the blades are positioned between the rotary guide vane rear seat and the transduction vane front seat, the shaft is connected with the rotary guide vane front seat, and central shafts of the rotary guide vane rear seat, the rotary guide vane front seat and the shaft are coaxial;
the rotary guide vane rear cover plate is provided with a slot for mounting a rotary guide vane, the rotary guide vane front cover plate is provided with a jack for mounting a rotary guide vane front seat and a through hole for allowing a shaft to pass through, the rotary guide vane driving gear is positioned at the end part of the shaft, the shaft is provided with a key slot, a rotary guide vane connecting key is inserted into the key slot, and the rotary guide vane driving gear is connected with the shaft through the key slot and the rotary guide vane connecting key;
a turbine pump for a hydraulic modulation rotary vane module comprising: the device comprises a central gear rotary cover, a central gear, a turbine side cover plate sealing ring, a rotary guide vane module, a turbine volute positioning pin hole, a device shell, a bolt, an end surface friction thrust bearing, a turbine impeller, a turbine volute module, a rotary guide vane positioning pin hole, a rotary guide vane front sealing ring, a rotary guide vane rear sealing ring, a volute guide block and a turbine side inlet;
the device comprises a device shell, a turbine volute module, a rotating guide vane module, a turbine impeller and an end face friction thrust bearing, wherein the positions of the device shell, the turbine volute module, the rotating guide vane module, the turbine impeller and the end face friction thrust bearing are sequentially combined from outside to inside;
the turbine side cover plate is provided with a through hole allowing a shaft to pass through, the central gear and the central gear rotary cover are sequentially sleeved on the outer wall of the outlet pipe on the turbine side cover plate from inside to outside, the central gear rotary cover is tubular, the inner wall of the central gear rotary cover is provided with threads, the outer wall of the outlet pipe of the turbine pump is provided with threads, the inner wall of the rotary guide vane driving gear is provided with tooth shapes, the central gear is meshed and matched with the rotary guide vane driving gear, and the central gear rotary cover is used for fixing the central gear;
the rotary guide vane front sealing rings are arranged on the rotary guide vanes and positioned at two sides of the through hole for installing the rotary guide vane front cover plate, and are used for preventing a medium from leaking from the through hole;
the rotary guide vane rear sealing ring is arranged on the rotary guide vane rear cover plate and is used for preventing the leakage of the matching part of the rotary guide vane module and the device shell.
The turbine volute positioning pin holes are respectively positioned on the turbine volute module and the shell and are used for inserting, positioning and fixing the turbine volute module in a positioning pin inserting mode;
the rotary guide vane positioning pin holes are respectively positioned on the rotary guide vane module and the shell and are used for inserting, positioning and fixing the rotary guide vane module in a positioning pin inserting mode;
the turbine side cover plate is positioned and installed on the device shell through bolts, and the turbine side cover plate sealing ring is arranged on the turbine side cover plate and used for installing a sealing ring to ensure that a medium does not leak.
The utility model provides a rotatory stator module is adjusted to water conservancy operating mode, when adjusting the use, unscrew the sun gear spiral cover, through the sun gear rotation and drive rotatory stator drive gear, the stator takes place to rotate and changes the stator aperture; after the adjustment is finished, the central gear screw cover is screwed to enable the central gear screw cover to compress the central gear, and the central gear and the rotary guide vane are ensured to be synchronously fixed. Under the variable working condition, a high-pressure medium flows in from a turbine side inlet, flows through the volute flow guide block, the turbine volute module and the rotary guide vane module, is driven to act on a turbine impeller to generate power, and flows out from a turbine side outlet after pressure relief.
Compared with the prior art, the utility model following beneficial effect has:
a. by the structure of the rotary guide vane driving gear formed by a plurality of sectors, the driving force is higher, and the situation that the rotary guide vane is too tight to adjust can be effectively avoided;
b. the gear driving mode is simple and effective, and a specific implementation scheme is provided for the turbine mode of combining two hydraulic components of the rotary guide vane and the volute;
c. the rotary guide vane can effectively meet the requirements of multiple working conditions of the applied pump, turbine and turbine pump, the whole set of equipment does not need to be replaced under different working conditions, and the hydraulic high-efficiency area range of the device is widened;
d. the regulation and control mode of the rotary guide vane is simple and efficient, the pump, the turbine and the turbine pump formed by the regulation and control mode are attractive and convenient to use, and the rotary guide vane can be regulated in real time without stopping.
The utility model discloses rotatory stator module is adjusted to water conservancy operating mode that technical scheme adopted, the principle is clear, the technique is mature, maneuverability is strong, can be applied to among the systems such as reverse osmosis seawater desalination, can be so that just can carry out the operating mode and adjust in the condition of not changing the device, can also widen the high efficiency area scope under the multiplex condition of application.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic structural view of a rotary guide vane module;
FIG. 2 is a schematic view of a rotary guide vane structure;
FIG. 3 is a cross-sectional schematic view of a rotary vane drive gear and rotary vanes;
FIG. 4 is a view showing an overall appearance of a turbo pump;
FIG. 5 is an enlarged partial view of the engagement of the turbine pump sun gear and the rotary vane drive gear;
FIG. 6 is a plan sectional view of a turbine pump;
FIG. 7 is a perspective cross-sectional view of a turbine pump;
FIG. 8 is a schematic diagram of the operation of the adjustable rotary vane module;
in the figure: 1-rear rotary guide vane cover plate, 2-front rotary guide vane cover plate, 3-drive rotary guide vane gear, 4-rotary guide vane, 5-rotary guide vane connecting key, 6-rear rotary guide vane seat, 7-vane, 8-front rotary guide vane seat, 9-shaft, 10-center gear rotary cover, 11-center gear, 12-side turbine cover plate, 13-side turbine cover plate sealing ring, 14-rotary guide vane module, 15-turbine volute positioning pin hole, 16-device shell, 17-bolt, 18-end surface friction thrust bearing, 19-turbine impeller, 20-turbine volute module, 21-rotary guide vane positioning pin hole, 22-front rotary guide vane sealing ring, 23-rear rotary guide vane sealing ring, 24-volute diversion block, 25-turbine side inlet.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
The following describes in detail specific embodiments of the present invention with reference to the drawings and technical solutions.
Example (b): as shown in fig. 1, a hydraulic tuning rotary vane module 14 includes: the rotary guide vane comprises a rotary guide vane rear cover plate 1, a rotary guide vane front cover plate 2, a rotary guide vane driving gear 3 and a rotary guide vane 4, wherein the rotary guide vane rear cover plate 1 is in a circular ring shape, and the rotary guide vane front cover plate 2 is in a circular ring shape;
as shown in fig. 2, the rotary vane 4 is an integrally formed separate member including: the rotary guide vane comprises a rotary guide vane rear seat 6, blades 7, a rotary guide vane front seat 8 and a shaft 9, wherein the rotary guide vane rear seat 6 and a transduction vane front seat 8 are cylindrical, the blades 7 are flaky, the blades 7 are positioned between the rotary guide vane rear seat 6 and the transduction vane front seat 8, the shaft 9 is connected with the rotary guide vane front seat 8, and central shafts of the rotary guide vane rear seat 6, the rotary guide vane front seat 8 and the shaft 9 are coaxial;
the rotary guide vane rear cover plate 1 is provided with a slot for mounting a rotary guide vane 4, the rotary guide vane front cover plate 2 is provided with a jack for mounting a rotary guide vane front seat 8 and a through hole for allowing a shaft 9 to pass through, the rotary guide vane driving gear 3 is positioned at the end part of the shaft 9, the shaft 9 is provided with a key slot, the rotary guide vane connecting key 5 is inserted into the key slot, and the rotary guide vane driving gear 3 is connected with the shaft 9 through the key slot and the rotary guide vane connecting key 5;
as shown in fig. 6 and 7, a turbine pump of a hydraulic condition adjusting rotary vane module includes: the device comprises a central gear spiral cover 10, a central gear 11, a turbine side cover plate 12, a turbine side cover plate sealing ring 13, a rotary guide vane module 14, a turbine volute positioning pin hole 15, a device shell 16, a bolt 17, an end face friction thrust bearing 18, a turbine impeller 19, a turbine volute module 20, a rotary guide vane positioning pin hole 21, a rotary guide vane front sealing ring, a rotary guide vane rear sealing ring 23, a volute diversion block 24 and a turbine side inlet 25;
the device comprises a device shell 16, a turbine volute module 20, a rotating guide vane module 14, a turbine impeller 19 and an end face friction thrust bearing 18, wherein the positions of the device shell 16, the turbine volute module 20, the rotating guide vane module 14, the turbine impeller 19 and the end face friction thrust bearing 18 are sequentially combined from outside to inside, the turbine volute module 20 is inserted into the inner side of the device shell 16, the rotating guide vane module 14 is inserted into the inner side of the turbine volute module 20, the end face friction thrust bearing 18 is positioned on the outer side of the turbine impeller 19;
as shown in fig. 4-7, a through hole for allowing the shaft 9 to pass through is formed in the turbine side cover plate 12, the central gear 11 and the central gear screw cap 10 are sequentially sleeved on the outer wall of the outlet pipe on the turbine side cover plate 12 from inside to outside, the central gear screw cap 10 is tubular, threads are formed in the inner wall of the central gear screw cap 10, threads are formed in the outer wall of the outlet pipe of the turbine pump, teeth are formed in the inner wall of the rotary guide vane driving gear 3, the central gear 11 is meshed and matched with the rotary guide vane driving gear 3, and the central gear screw cap 10 is used for fixing the central gear 11;
as shown in fig. 3, the rotary guide vane front sealing rings 22 are arranged on the rotary guide vane 4 and located at two sides of the through hole for installing the rotary guide vane front cover plate 2, and are used for preventing the medium from leaking from the through hole;
as shown in fig. 3, a rotary guide vane rear seal ring 23 is provided on the rotary guide vane rear cover plate 1 to prevent leakage at the fitting of the rotary guide vane module 14 and the device casing 16.
As shown in fig. 6 and 7, the turbine volute positioning pin holes 15 are respectively located on the turbine volute module 20 and the casing 16, and are used for inserting, positioning and fixing the turbine volute module 20 by inserting positioning pins;
as shown in fig. 6 and 7, the rotary vane positioning pin holes 21 are respectively located on the rotary vane module 14 and the casing 16, and are used for inserting, positioning and fixing the rotary vane module 14 by inserting positioning pins;
as shown in fig. 6, the turbine side cover plate 12 is positioned and mounted on the device housing 16 by bolts 17, and the turbine side cover plate sealing ring 13 is arranged on the turbine side cover plate 12 and is used for mounting a sealing ring to ensure that the medium is free from leakage.
The utility model provides a rotatory stator module is adjusted to water conservancy operating mode, when adjusting the use, unscrew central gear spiral cover 10, rotate and drive rotatory stator drive gear 3 through central gear 11, stator 4 takes place to rotate and changes the stator aperture; after the adjustment is finished, the central gear spiral cover 10 is screwed to tightly press the central gear 11, so that the central gear 11 and the rotary guide vane 4 are synchronously fixed. As shown in fig. 8, under variable conditions, the high-pressure medium flows in from the turbine-side inlet 25, flows through the volute flow guide block 24, the turbine volute module 20 and the rotary guide vane module 14, is driven to act on the turbine impeller 19 to generate power, is decompressed, and then flows out from the turbine-side outlet.
When the rotary guide vane module is assembled in a turbine pump, a rotary guide vane 4 is inserted into a rotary guide vane rear cover plate 1 and then covered with a rotary guide vane front cover plate 2, and sealing rings are respectively arranged in a rotary guide vane front sealing ring 22 and a rotary guide vane rear sealing ring 23; the rotary guide vane module 14 formed in the way is inserted into the device shell 16, positioning pins are inserted through a turbine volute positioning pin hole 15 to position and fix the guide vane module 14, and the rotary guide vane module 14, the turbine volute module 20 and a turbine impeller 19 which is installed in advance form clearance fit; the end face friction thrust bearing 18 is mounted in interference fit with the turbine side cover plate 12, and the turbine volute module 20 is mounted in interference fit with the device shell 16; fixing a turbine side cover plate 12 matched with an end face friction thrust bearing 18 on a device shell 16 by using a bolt 17, and ensuring that a shaft 9 of the rotary guide vane 4 passes through a preset through hole of the turbine side cover plate 12; finally, a rotary guide vane driving gear 3 is installed, the rotary guide vane driving gear 3 is installed on the end of a shaft 9 extending out of the turbine side cover plate 12 and fixedly connected through interference fit of a rotary guide vane connecting key 5; and (3) performing tooth-shaped meshing installation on the central gear 11 and the rotary guide vane driving gear 3, finally screwing the central gear screw cap 10 into an outlet pipe of the turbine pump, and pressing and fixing the central gear 11 to finish the installation of the rotary guide vane module.
The hydraulic working condition adjusting rotary guide vane module provided by the embodiment can be applied to systems such as reverse osmosis seawater desalination and the like, can adjust working conditions under the condition that devices are not replaced, and can widen the range of high-efficiency areas under multi-working condition application conditions.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still belong to the scope of the present invention.
Claims (4)
1. A hydraulic modulation rotary vane module, comprising a rotary vane module (14), said rotary vane module (14) comprising: the rotary guide vane back cover plate comprises a rotary guide vane back cover plate (1), a rotary guide vane front cover plate (2), a rotary guide vane driving gear (3) and a rotary guide vane (4), wherein the rotary guide vane back cover plate (1) is in a circular ring shape, and the rotary guide vane front cover plate (2) is in a circular ring shape;
the rotary guide vane (4) is an integrally formed independent component and comprises: the rotary guide vane comprises a rotary guide vane rear seat (6), blades (7), a rotary guide vane front seat (8) and a shaft (9), wherein the rotary guide vane rear seat (6) and a transduction vane front seat (8) are cylindrical, the blades (7) are flaky, the blades (7) are positioned between the rotary guide vane rear seat (6) and the transduction vane front seat (8), the shaft (9) is connected with the rotary guide vane front seat (8), and central shafts of the rotary guide vane rear seat (6), the rotary guide vane front seat (8) and the shaft (9) are coaxial;
rotatory stator back shroud (1) on be provided with the slot that is used for rotatory stator (4) to install, be provided with the through-hole that is used for the jack of rotatory stator front stall (8) installation of cooperation and allows axle (9) to pass on rotatory stator front shroud (2), rotatory stator drive gear (3) are located the tip of axle (9), be provided with the keyway on axle (9), rotatory stator connection key (5) insert the keyway in, rotatory stator drive gear (3) are connected with axle (9) through keyway and rotatory stator connection key (5).
2. A turbo pump employing the hydraulic modulation rotary vane module of claim 1, comprising: the device comprises a central gear rotary cover (10), a central gear (11), a turbine side cover plate (12), a turbine side cover plate sealing ring (13), a rotary guide vane module (14), a turbine volute positioning pin hole (15), a device shell (16), a bolt (17), an end face friction thrust bearing (18), a turbine impeller (19), a turbine volute module (20), a rotary guide vane positioning pin hole (21), a rotary guide vane front sealing ring, a rotary guide vane rear sealing ring (23), a volute diversion block (24) and a turbine side inlet (25);
the rotary vane module (14) comprises: the rotary guide vane back cover plate comprises a rotary guide vane back cover plate (1), a rotary guide vane front cover plate (2), a rotary guide vane driving gear (3) and a rotary guide vane (4), wherein the rotary guide vane back cover plate (1) is in a circular ring shape, and the rotary guide vane front cover plate (2) is in a circular ring shape;
the rotary guide vane (4) is an integrally formed independent component and comprises: the rotary guide vane comprises a rotary guide vane rear seat (6), blades (7), a rotary guide vane front seat (8) and a shaft (9), wherein the rotary guide vane rear seat (6) and a transduction vane front seat (8) are cylindrical, the blades (7) are flaky, the blades (7) are positioned between the rotary guide vane rear seat (6) and the transduction vane front seat (8), the shaft (9) is connected with the rotary guide vane front seat (8), and central shafts of the rotary guide vane rear seat (6), the rotary guide vane front seat (8) and the shaft (9) are coaxial;
the rotary guide vane rear cover plate (1) is provided with a slot for mounting a rotary guide vane (4), the rotary guide vane front cover plate (2) is provided with a jack for mounting a rotary guide vane front seat (8) and a through hole for allowing a shaft (9) to pass through, the rotary guide vane driving gear (3) is positioned at the end part of the shaft (9), the shaft (9) is provided with a key slot, a rotary guide vane connecting key (5) is inserted into the key slot, and the rotary guide vane driving gear (3) is connected with the shaft (9) through the key slot and the rotary guide vane connecting key (5);
the device shell (16), the turbine volute module (20), the rotary guide vane module (14), the turbine wheel (19) and the end face friction thrust bearing (18) are sequentially combined from outside to inside, and the turbine wheel (19) and the end face friction thrust bearing (18) form an end face friction contact mode.
3. The turbo pump of claim 2, wherein the turbine side cover plate (12) is provided with a through hole for allowing the shaft (9) to pass through, the central gear (11) and the central gear screw cap (10) are sequentially sleeved on the outer wall of the outlet pipe of the turbine side cover plate (12) from inside to outside, the central gear screw cap (10) is tubular, the inner wall of the central gear screw cap (10) is provided with threads, the outer wall of the outlet pipe of the turbo pump is provided with threads, the inner wall of the rotary guide vane driving gear (3) is provided with tooth profiles, and the central gear (11) is meshed with the rotary guide vane driving gear (3).
4. The turbo pump according to claim 3, wherein the rotary guide vane front sealing rings (22) are arranged on the rotary guide vanes (4) at two sides of the through hole for installing the rotary guide vane front cover plate (2);
the rotary guide vane rear sealing ring (23) is arranged on the rotary guide vane rear cover plate (1);
the turbine volute positioning pin holes (15) are respectively positioned on the turbine volute module (20) and the shell (16);
the rotary guide vane positioning pin holes (21) are respectively positioned on the rotary guide vane module (14) and the shell (16);
the turbine side cover plate (12) is positioned and installed on the device shell (16) through a bolt (17), and the turbine side cover plate sealing ring (13) is arranged on the turbine side cover plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438810.XU CN211202403U (en) | 2019-08-30 | 2019-08-30 | Hydraulic working condition adjusting rotary guide vane module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438810.XU CN211202403U (en) | 2019-08-30 | 2019-08-30 | Hydraulic working condition adjusting rotary guide vane module |
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| Publication Number | Publication Date |
|---|---|
| CN211202403U true CN211202403U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921438810.XU Withdrawn - After Issue CN211202403U (en) | 2019-08-30 | 2019-08-30 | Hydraulic working condition adjusting rotary guide vane module |
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| CN (1) | CN211202403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410361A (en) * | 2019-08-30 | 2019-11-05 | 自然资源部天津海水淡化与综合利用研究所 | A kind of hydraulic regime adjusting rotating guide vane module and its assembly method in roturbo |
-
2019
- 2019-08-30 CN CN201921438810.XU patent/CN211202403U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410361A (en) * | 2019-08-30 | 2019-11-05 | 自然资源部天津海水淡化与综合利用研究所 | A kind of hydraulic regime adjusting rotating guide vane module and its assembly method in roturbo |
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Granted publication date: 20200807 Effective date of abandoning: 20240326 |