CN216937374U - Device for activating inner cavity of turbine blade - Google Patents
Device for activating inner cavity of turbine blade Download PDFInfo
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- CN216937374U CN216937374U CN202220651027.7U CN202220651027U CN216937374U CN 216937374 U CN216937374 U CN 216937374U CN 202220651027 U CN202220651027 U CN 202220651027U CN 216937374 U CN216937374 U CN 216937374U
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- turbine blade
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses a device for activating inner cavities of turbine blades, and relates to the technical field of treatment of inner cavities of turbine blades. So as to solve the problem that the inner cavity of the turbine blade is not convenient to clean and activate.
Description
Technical Field
The utility model relates to the technical field of inner cavity treatment of turbine blades, in particular to a device for activating inner cavities of turbine blades.
Background
When the turbine blade is subjected to slurry infiltration or vapor deposition, stains, rust, oxides and oil stains on the metal surface need to be removed, and the treated blade surface needs to be activated. In the existing cleaning and activating mode, an organic solvent or an alkaline degreasing agent is usually adopted as a medium for ultrasonic cleaning, or on the basis of electrochemical degreasing, abrasive materials such as white corundum sand are used for degreasing and activating to remove oxide skin, but the method only treats the outer surface of the blade, but the inner cavity of the blade cannot be treated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for activating an inner cavity of a turbine blade, which aims to solve the problem that the inner cavity of the turbine blade is inconvenient to clean and activate.
In order to achieve the purpose, the utility model provides the following scheme:
a device for turbine blade inner cavity activation, the device includes the liquid delivery pipe, liquid strorage device is connected to liquid delivery pipe one end, the liquid delivery pipe other end and turbine blade swing joint, the turbine blade inner cavity can with liquid delivery pipe intercommunication.
The working principle of the device is as follows: the cleaning liquid and the activating liquid are prepared in the liquid storage device, then the turbine blade to be activated is arranged at the tail end of the liquid conveying pipe, the inner cavity of the turbine blade is communicated with the liquid conveying pipe, the cleaning liquid and the activating liquid are introduced from the liquid conveying pipe, the cleaning liquid and the activating liquid enter the interior of the turbine blade, and then the cleaning liquid and the activating liquid flow out from small holes in the surface of the blade, so that the purpose of cleaning and activating the inner cavity of the turbine blade is achieved.
Further, the liquid delivery pipe includes house steward and a plurality of branch pipes, house steward is connected with liquid strorage device, branch pipe one end with house steward intercommunication, the branch pipe other end with turbine blade swing joint, the turbine blade inner chamber can with the branch pipe intercommunication. And a plurality of branch pipes are simultaneously cleaned and activated, so that the efficiency is improved.
Further, the turbine blades are connected with the branch pipes by adopting tenons. The tenon connection is firm in connection and convenient and quick in mounting and dismounting the blade.
Further, the branch pipe end is equipped with the tongue-and-groove, the tongue-and-groove with tenon tooth on the turbine blade matches, a plurality of through-holes have been seted up to the tongue-and-groove bottom, the through-hole with branch pipe intercommunication, one the tongue-and-groove can be connected a plurality of turbine blade, the through-hole with turbine blade one-to-one.
This structure prolongs the tongue-and-groove originally, connects a plurality of turbine blades to the through-hole at every blade tenon tooth top all docks a liquid passage who comes from the branch pipe, makes every turbine blade can both have washing liquid and activation liquid to flow through, has further increased the efficiency that the device washs the activation.
Furthermore, the device also comprises a plurality of cleaning boxes, the bottom and one side of each cleaning box are provided with openings, and the branch pipe penetrates through the cleaning boxes and then is connected with the turbine blades. The cleaning box is used for preventing liquid splashed out from the small holes on the turbine blades, and acid liquor or alkali liquor splashed out is prevented from corroding other parts of the device, so that the service life of the device is prolonged.
Furthermore, the device also comprises a collecting box, the main pipe penetrates through the wall of the collecting box, and the branch pipe and the cleaning box are both positioned in the collecting box. The collecting box is used for collecting the cleaned liquid to prevent the environment from being polluted.
Furthermore, the device also comprises a plurality of supports, one end of each support is fixedly connected with the collecting box, the other end of each support is fixedly connected with the cleaning box, and the supports correspond to the cleaning boxes one to one. The support is used for fixing the washing case.
Furthermore, the device also comprises a water pump, a water pumping pipe of the water pump is inserted into the collection box and is positioned at the bottom of the collection box, and a water outlet pipe of the water pump is communicated with the main pipe. The water pump sends the liquid collected by the collecting box back to the main pipe for secondary utilization, so that the cost is saved.
Further, the collecting box includes a filter, the filter horizontal installation in inside the collecting box, the filter is located the drinking-water pipe mouth of pipe top of water pump, the filter is located wash the case below. The solid oxide film on the surface of the cleaned turbine blade can fall off in blocks, and the filter plate collects the blocks to prevent the water pump or the pipeline from being blocked.
Furthermore, the bottom of the collecting box is arranged to be inverted cone-shaped, and the pipe orifice of the water pumping pipe is located at the top of the inverted cone-shaped. The bottom of back taper can assemble liquid, makes the water pump can take out futilely, prevents to influence and collects other liquid.
One or more technical schemes provided by the utility model at least have the following technical effects or advantages:
(1) the device directly leads the cleaning liquid and the activating liquid into the inner cavity of the turbine blade, so that the inside of the turbine blade is fully cleaned and activated;
(2) the device adopts tenon connection turbine blades, so that the blades can be quickly installed or taken down;
(3) the device can simultaneously clean and activate a plurality of turbine blades, and the cleaning and activating efficiency is increased.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model;
FIG. 1 is a schematic view of the fluid delivery tube and turbine blade communication of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a sectional view of the inside of the cleaning tank of the present invention;
FIG. 4 is a sectional view of the inside of the collection tank of the present invention;
the device comprises a liquid conveying pipe 1, a turbine blade 2, a liquid storage device 3, a header pipe 4, a branch pipe 5, a mortise 6, a tenon tooth 7, a through hole 8, a cleaning box 9, a collecting box 10, a water pump 11, a water pumping pipe 12, a water outlet pipe 13, a filter plate 14 and a conical bottom plate 15.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflicting with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
Example one
The embodiment provides a device for activating inner cavities of turbine blades, and as shown in fig. 1, the device comprises a liquid conveying pipe 1, wherein one end of the liquid conveying pipe 1 is connected with a liquid storage device, the other end of the liquid conveying pipe 1 is movably connected with a turbine blade 2, and the inner cavity of the turbine blade 2 can be communicated with the liquid conveying pipe 1.
The working principle of the device of the embodiment is as follows: the cleaning liquid and the activating liquid are prepared in the liquid storage device, then the turbine blade 2 needing to be activated is arranged at the tail end of the liquid conveying pipe 1, the inner cavity of the turbine blade 2 is communicated with the liquid conveying pipe 1, the cleaning liquid and the activating liquid are introduced from the liquid conveying pipe 1, the cleaning liquid and the activating liquid enter the turbine blade 2, and then the cleaning liquid and the activating liquid flow out from small holes in the surface of the blade, so that the purpose of cleaning and activating the inner cavity of the turbine blade 2 is achieved.
The cleaning liquid is water, and can clean water-soluble impurities on the surface of the inner cavity of the turbine blade 2 and solid impurities attached to the surface of the inner cavity.
The cleaning liquid is absolute ethyl alcohol, and can clean water stains left on the surface of the inner cavity of the turbine blade.
The activating solution is an acid solution, and can remove acid-soluble impurities on the surface of the inner cavity of the turbine blade 2.
The activating solution is an alkali solution, and alkali-soluble impurities on the surface of the inner cavity of the turbine blade 2 can be removed.
Example two
On the basis of the first embodiment, the turbine blade is cleaned and activated by adopting a chemical erosion inner cavity activation method. Respectively preparing clear water, an acidic solution, an alkaline solution and absolute ethyl alcohol in a liquid storage device, wherein the acidic solution comprises 10% -15% of hydrofluoric acid with the content of 55%, 25% -30% of nitric acid with the content of 68% and water, the alkaline solution comprises 10% -20% of sodium silicate, 6% -10% of surfactant and water, and the PH is adjusted to be 8.5-9.0. The specific washing and activation steps are as follows:
step one, washing: pressurizing clear water in the liquid storage device, and introducing the pressurized clear water into the device to clean water-soluble impurities on the surface of the inner cavity of the turbine blade and solid impurities attached to the surface of the inner cavity;
step two, alkali washing: heating the alkaline solution with adjusted pH to 30-60 deg.C, introducing the alkaline solution into the inner cavity of the blade with a device, controlling flow rate at 5-15L/min, and washing the inner cavity for 5-15 min.
Step three, washing: and cleaning the alkaline solution remained in the inner cavity of the blade by using high-pressure water, wherein the washing flow is controlled to be 10-200L/min, and the washing is carried out for 2-5 min.
Step four, acid washing: the device is used to introduce acidic solution into the blade inner cavity, flow control is 5-15L/min, and inner cavity is washed for 10-20 min.
Step five, washing and ultrasonic treatment: and (3) washing the acid solution and the oxide skin remained in the inner cavity of the blade by using high-pressure water, controlling the flow rate of washing to be 10-200L/min, and ultrasonically cleaning for 10-20min by using absolute ethyl alcohol after the washing is finished.
After the cleaning and activation are finished, the surface of the inner cavity of the turbine blade is fully activated and cleaned, and the subsequent processing treatment of the blade is facilitated.
EXAMPLE III
On the basis of the first embodiment, as shown in fig. 2, the liquid delivery pipe 1 includes a header pipe 4 and a plurality of branch pipes 5, the header pipe 4 is connected with the liquid storage device 3, one end of each branch pipe 5 is communicated with the header pipe 4, the other end of each branch pipe 5 is movably connected with the turbine blade 2, and the inner cavity of the turbine blade 2 can be communicated with the branch pipe 5.
In this embodiment, the liquid supply pipe 1 is divided into a plurality of branch pipes, so that the apparatus can simultaneously perform the activation operation of the plurality of turbine blades 2, and at this time, the positional relationship between the branch pipes and the header pipe is not specifically defined, and the lengths and the curved shapes of the branch pipes are not specifically defined.
Example four
On the basis of the third embodiment, as shown in fig. 3, the turbine blades 2 are connected with the branch pipe 5 by tenons, a mortise 6 is arranged at the tail end of the branch pipe 5, the mortise 6 is matched with the tenon teeth 7 on the turbine blades 2, a plurality of through holes 8 are formed in the bottom of the mortise 6, the through holes 8 are communicated with the branch pipe 5, one mortise 6 can be connected with a plurality of the turbine blades 2, and the through holes 8 correspond to the turbine blades 2 one to one.
The embodiment adopts the tenon connection to movably connect the branch pipe 5 with the turbine blade 2, so that the connection is firm, and the blade is convenient and quick to mount and dismount. Simultaneously, the mortise 6 is prolonged, so that one mortise 6 can be connected with a plurality of turbine blades 2, the through hole at the top end of the tenon tooth 7 of each blade is butted with a liquid channel from the branch pipe 5, and each turbine blade 2 installed on the mortise 6 can be provided with cleaning liquid and activating liquid to flow through, thereby achieving the purpose of simultaneously cleaning and activating a plurality of turbine blades 2.
EXAMPLE five
On the basis of the fourth embodiment, as shown in fig. 3, one branch pipe 5 can also connect a plurality of mortises 6 in the third embodiment, so that the number of the turbine blades 2 which are simultaneously cleaned and activated is increased, and the cleaning and activating efficiency is increased.
EXAMPLE six
On the basis of the fifth embodiment, as shown in fig. 2 and 3, the device further comprises a plurality of cleaning tanks 9, the bottoms and one side surfaces of the cleaning tanks 9 are both open, and the branch pipes 5 penetrate through the cleaning tanks 9 and then are connected with the turbine blades 2.
The turbine blade 2 is provided with a plurality of small holes, cleaning liquid and activating liquid flow into the turbine blade 2 from the branch pipe and then flow out of the small holes, the flow rate of the liquid at the moment is large, the liquid is splashed, the cleaning tank 9 is used for preventing the liquid from splashing too far after flowing out of the small holes in the turbine blade, and the cleaning tank 9 can prevent the splashed acid liquid or alkali liquid from corroding other parts of the device, so that the service life of the device is prolonged.
Wherein a side of the cleaning box 9 is an opening, and at the moment, one side of the mortise 6 is positioned at the opening, so that the turbine blade 2 is convenient to mount or take off, and the bottom of the cleaning box 9 is also an opening, so that the blocked liquid flows out from the lower part.
EXAMPLE seven
On the basis of the sixth embodiment, as shown in fig. 2 and 4, the device further comprises a collection tank 10, the main pipe 4 penetrates through the wall of the collection tank 10, and the branch pipe 5 and the cleaning tank 9 are both located in the collection tank 10.
The collection tank 10 is used to collect the cleaning and activating liquids flowing from below the cleaning tank to prevent them from contaminating the environment. The top of the collection box 10 may be provided with an opening to facilitate the mounting and removal of the turbine blade 2, and a cover may be provided to further prevent liquid from drifting out.
Example eight
On the basis of the seventh embodiment, the device further comprises a plurality of supports, one end of each support is fixedly connected with the collection box 10, the other end of each support is fixedly connected with the cleaning box 9, and the supports correspond to the cleaning boxes one to one.
The support is used for fixed washing case 9, prevents it and drops, and under the prerequisite that the support can fixed washing case 9, the shape of support can be arbitrary shape, and the position of support and collecting box 10 tie point also can be in the optional position of collecting box, and the shape of support and the position of tie point are not specifically limited to this embodiment.
Example nine
On the basis of the eighth embodiment, as shown in fig. 2, the device further includes a water pump 11, a water pumping pipe 12 of the water pump 11 is inserted into the collection tank 10 and is located at the bottom of the collection tank 10, and a water outlet pipe 13 of the water pump 11 is communicated with the header pipe 4.
The water pump 11 sends back the cleaning liquid and the activation liquid collected by the collecting box 10 to the main pipe 4, can be sent to the branch pipe for secondary utilization, saves the cost, and can also be sent back to the liquid storage device 3 for storage.
The water pump 11 may be a positive displacement pump or a vane pump, wherein the vane pump may be a centrifugal pump, an axial flow pump, a mixed flow pump, and the like.
Example ten
On the basis of the ninth embodiment, as shown in fig. 4, the collection box 10 includes a filter plate 14, the filter plate 14 is horizontally installed inside the collection box 10, the filter plate 14 is located above the nozzle of the water pumping pipe 12 of the water pump, and the filter plate 14 is located below the cleaning box 9.
The turbine blade 2 is cleaned and activated, the solid oxide film on the surface of the turbine blade can fall off in blocks, and the filter plate collects the blocks to prevent the water pump or the pipeline from being blocked.
EXAMPLE eleven
On the basis of the tenth embodiment, as shown in fig. 4, the bottom of the collection box 10 is set to be in an inverted cone shape, and the nozzle of the pumping pipe 12 is located at the top of the inverted cone shape.
The conical bottom plate 15 can collect liquid, so that the water pump can pump out the liquid in the collecting box 10, and the mutual influence of different cleaning liquids and activating liquids is prevented, and the requirement that the recovered cleaning liquid and activating liquid cannot reach secondary utilization is met.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A device for activating inner cavities of turbine blades is characterized by comprising a liquid conveying pipe, wherein one end of the liquid conveying pipe is connected with a liquid storage device, the other end of the liquid conveying pipe is movably connected with the turbine blades, and the inner cavities of the turbine blades can be communicated with the liquid conveying pipe.
2. The device for turbine blade lumen activation as claimed in claim 1, wherein the liquid delivery tube comprises a manifold and a plurality of branch tubes, the manifold is connected to the liquid storage device, one end of the branch tube is connected to the manifold, the other end of the branch tube is movably connected to the turbine blade, and the turbine blade lumen is capable of being connected to the branch tube.
3. The apparatus of claim 2, wherein said turbine blades are tenon joined to said manifold.
4. The device as claimed in claim 3, wherein the end of the branch pipe is provided with a mortise, the mortise is matched with the tenon tooth on the turbine blade, the bottom of the mortise is provided with a plurality of through holes, the through holes are communicated with the branch pipe, one mortise can be connected with a plurality of turbine blades, and the through holes are in one-to-one correspondence with the turbine blades.
5. The device for activating the inner cavity of the turbine blade as claimed in claim 4, wherein the device further comprises a plurality of cleaning boxes, the bottom and one side of each cleaning box are open, and the branch pipe passes through the cleaning boxes and then is connected with the turbine blade.
6. The apparatus of claim 5 further comprising a collection tank, said header pipe passing through the walls of said collection tank, said branch pipes and said purge tank being located in said collection tank.
7. The device for activating the inner cavity of the turbine blade as claimed in claim 6, further comprising a plurality of brackets, wherein one end of each bracket is fixedly connected with the collection box, the other end of each bracket is fixedly connected with the cleaning box, and the brackets correspond to the cleaning boxes one to one.
8. The device as claimed in claim 6, wherein the device further comprises a water pump, a water suction pipe of the water pump is inserted into the collection box and is located at the bottom of the collection box, and a water outlet pipe of the water pump is communicated with the header pipe.
9. The apparatus of claim 8, wherein said collection chamber comprises a filter plate, said filter plate being horizontally mounted within said collection chamber, said filter plate being positioned above a suction tube orifice of said water pump, said filter plate being positioned below said cleaning chamber.
10. The device as claimed in claim 9, wherein the bottom of the collection box is set to be a reverse taper, and the nozzle of the pumping pipe is located at the top of the reverse taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220651027.7U CN216937374U (en) | 2022-03-23 | 2022-03-23 | Device for activating inner cavity of turbine blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220651027.7U CN216937374U (en) | 2022-03-23 | 2022-03-23 | Device for activating inner cavity of turbine blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216937374U true CN216937374U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220651027.7U Active CN216937374U (en) | 2022-03-23 | 2022-03-23 | Device for activating inner cavity of turbine blade |
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|---|---|
| CN (1) | CN216937374U (en) |
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- 2022-03-23 CN CN202220651027.7U patent/CN216937374U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610000 Baihe Community Group 4, Lichun Town, Pengzhou City, Chengdu, Sichuan Province Patentee after: Sichuan Hangda New Materials Co.,Ltd. Country or region after: China Address before: 611930 Four Groups of Baihe Community in Lichun Town, Pengzhou City, Chengdu, Sichuan Province Patentee before: Pengzhou Hangda New Material Co.,Ltd. Country or region before: China |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A device for activating the inner cavity of turbine blades Granted publication date: 20220712 Pledgee: Chengdu Branch of China CITIC Bank Co.,Ltd. Pledgor: Sichuan Hangda New Materials Co.,Ltd. Registration number: Y2024510000183 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220712 Pledgee: Chengdu Branch of China CITIC Bank Co.,Ltd. Pledgor: Sichuan Hangda New Materials Co.,Ltd. Registration number: Y2024510000183 |