CN209212156U - A kind of high-efficiency hydraulic pulse cavitating jet generator - Google Patents
A kind of high-efficiency hydraulic pulse cavitating jet generator Download PDFInfo
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- CN209212156U CN209212156U CN201821250788.1U CN201821250788U CN209212156U CN 209212156 U CN209212156 U CN 209212156U CN 201821250788 U CN201821250788 U CN 201821250788U CN 209212156 U CN209212156 U CN 209212156U
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Abstract
The utility model relates to a kind of high-efficiency hydraulic pulse cavitating jet generators.Including tubular body, self-oscillation nozzle is equipped with close to lower part in tubular body, the self-excited oscillation cavity is equipped in self-oscillation nozzle, impeller base is installed above self-oscillation nozzle, it is eccentrically mounted on impeller base to have impeller shaft and impeller, baffle is equipped with above impeller, water conservancy diversion intracoelomic cavity is equipped with the drainage wall that cavity fluid in tubular body is guided into impeller side outer rim, it drains wall and is equipped with drainage sleeve, self-oscillation cavity wall is equipped with inner sleeve, the wall surface of the self-excited oscillation cavity is equipped with it communicated with the self-excited oscillation cavity and swashs lumen pore, resonance nozzle is equipped with below self-oscillation nozzle, circlip is equipped with below resonance nozzle.The utility model structure is simple, by using the utility model structure, can greatly improve Anti-erosion tear strength, generate compared with flash effect, supercharging effect is good, prolongs the service life.
Description
Technical field
The utility model relates to a kind of high-efficiency hydraulic pulse cavitating jet generators.
Background technique
Currently, to drillng operation, more stringent requirements are proposed, in recent years as oil field prospecting is to the development of the stratum of deeper
Come China by key special subjects plan, have devised waterpower pulse drilling speed tool, meets the speed-raising of modern oil well development
It is required that solving the problems, such as the presence of the energy transmission of traditional drilling mode, conversion, distribution etc..Waterpower pulse drilling well mentions
Fast tool improves bit speed by waterpower pulse and cavitation jet technology.And such device pulsing jet is penetrated with cavitation
Flow adjustable, when the drilling fluid continuously flowed in drilling tool is modulated to pulse cavitating jet, while water flow transformation baffle design is oblique
Slope mode, the drilling fluid speed ejected is greatly improved, while can reduce rock crushing strength, reduces chip hold down effect,
Efficiency of breaking rock is greatly improved.But existing waterpower pulse cavitation jet generator speed promoted it is ineffective, impulse amplitude compared with
Small, performance pulsing jet is ineffective, and the erosion of impeller and impeller shaft by particulate matters some in drilling fluid, above-mentioned component
It is easy to appear serious erosive wear, influences service life, supercharging effect is poor.
Utility model content
In view of the foregoing drawbacks, the purpose of this utility model is to provide a kind of structure is simple, Anti-erosion mill can be greatly improved
Intensity is damaged, is generated compared with flash effect, supercharging effect is good, and a kind of high-efficiency hydraulic pulse cavitating jet to prolong the service life occurs
Device.
Thus the technical scheme adopted by the utility model is
Including tubular body, self-oscillation nozzle, the self-oscillation nozzle are equipped with close to lower part in the tubular body
It is interior to be equipped with the self-excited oscillation cavity, impeller base is installed above self-oscillation nozzle, it is eccentrically mounted on impeller base to have impeller shaft and impeller,
Baffle is equipped with above the impeller, the water conservancy diversion intracoelomic cavity, which is equipped with, guides cavity fluid in tubular body into impeller side outer rim
Drainage wall, the drainage wall is equipped with drainage sleeve, and self-oscillation cavity wall is equipped with inner sleeve, and the wall surface of the self-excited oscillation cavity is equipped with
Its sharp lumen pore communicated with the self-excited oscillation cavity, self-oscillation nozzle lower section are equipped with resonance nozzle, are equipped with below the resonance nozzle
Circlip, resonance nozzle center are equipped with the resonance chamber communicated with self-oscillation nozzle, and resonance chamber internal diameter is sprayed greater than self-oscillation
Mouth outlet end internal diameter, the outer wall of tubular body, which is equipped with, swashs the inlet opening that lumen pore is connected to, the impeller, impeller shaft and impeller with it
The outer surface of seat is coated with the carbonitride composite coating of high rigidity low-friction coefficient, the self-excited oscillation cavity resonant cavity chamber internal surface
It is coated with the carbonitride composite coating of high rigidity low-friction coefficient.
As a further improvement of the above technical scheme, the carbonitride composite coating of the high rigidity low-friction coefficient is nitrogen
It titanium carbide combination base, the compound Anti-erosion wearing layer of the TiCN-C3N4 being deposited in TiCN combination base and is deposited on
TiCN anti-attrition layer three-layer composite structure on the compound Anti-erosion wearing layer of TiCN-C3N4.
As a further improvement of the above technical scheme, the impeller, impeller shaft, impeller base, self-oscillation nozzle are harmonious
Vibration nozzle is all made of YG8 cemented carbide material and is made.
As a further improvement of the above technical scheme, the overall thickness of the carbonitride composite coating is 8-10 microns, institute
State TiCN combination groundwork thickness be 2-3 microns, the compound Anti-erosion wearing layer of TiCN-C3N4 with a thickness of 3-6 microns,
The TiCN anti-attrition layer with a thickness of 3-4 microns.
The utility model has the advantages that:
The utility model structure is simple, by using the utility model structure, can greatly improve Anti-erosion tear strength, produces
Compared with flash effect, supercharging effect is good, prolongs the service life for life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
1 it is tubular body in figure, 2 be self-oscillation nozzle, 3 be the self-excited oscillation cavity, 4 be impeller base, 5 be impeller shaft, 6 is
Impeller, 7 be baffle, 8 be inner sleeve, 9 be it swash lumen pore, 10 be resonance nozzle, 11 be circlip, 12 be resonance chamber, 13 be into
Fluid apertures, 14 are drainage sleeves.
Specific embodiment
Including tubular body 1, self-oscillation nozzle 2, the self-oscillation spray are equipped with close to lower part in the tubular body 1
It is equipped with the self-excited oscillation cavity 3 in mouth 2, impeller base 4 is installed above self-oscillation nozzle 2, it is eccentrically mounted on impeller base 4 to have impeller shaft
5 and impeller 6, baffle 7 is equipped with above the impeller 6, and 7 inner cavity of baffle is equipped with and guides cavity fluid in tubular body into
The drainage wall of impeller side outer rim, the drainage wall are equipped with drainage sleeve 14, and 3 inner wall of the self-excited oscillation cavity is equipped with inner sleeve 8, from exciting
The wall surface for swinging chamber 3 is equipped with it communicated with the self-excited oscillation cavity 3 and swashs lumen pore 9, is equipped with resonance nozzle below self-oscillation nozzle 2
10, circlip 11 is equipped with below the resonance nozzle 10,10 center of resonance nozzle is equipped with the resonant cavity communicated with self-oscillation nozzle 2
Room 12,12 internal diameter of resonance chamber are greater than 2 outlet end internal diameter of self-oscillation nozzle, and the outer wall of tubular body 1, which is equipped with, swashs chamber with it
The inlet opening 13 that hole 9 is connected to, the outer surface of the impeller 6, impeller shaft 5 and impeller base 4 is coated with high rigidity low-friction coefficient
Carbonitride composite coating, 3 resonant cavity room of the self-excited oscillation cavity, 12 inner surface is coated with the nitridation of high rigidity low-friction coefficient
Carbon composite coating.
As a further improvement of the above technical scheme, the carbonitride composite coating of the high rigidity low-friction coefficient is nitrogen
It titanium carbide combination base, the compound Anti-erosion wearing layer of the TiCN-C3N4 being deposited in TiCN combination base and is deposited on
TiCN anti-attrition layer three-layer composite structure on the compound Anti-erosion wearing layer of TiCN-C3N4.
As a further improvement of the above technical scheme, the impeller 6, impeller shaft 5, impeller base 4, self-oscillation nozzle 2
YG8 cemented carbide material is all made of with resonance nozzle 10 to be made.
As a further improvement of the above technical scheme, the overall thickness of the carbonitride composite coating is 8-10 microns, institute
State TiCN combination groundwork thickness be 2-3 microns, the compound Anti-erosion wearing layer of TiCN-C3N4 with a thickness of 3-6 microns,
The TiCN anti-attrition layer with a thickness of 3-4 microns.
It is emphasized that: the above description is only the embodiments of the present invention, is not intended to limit the utility model
The scope of the patents, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or it is straight
It connects or is used in other related technical areas indirectly, be also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of high-efficiency hydraulic pulse cavitating jet generator, which is characterized in that including tubular body, leaned in the tubular body
Nearly lower part is equipped with self-oscillation nozzle, and the self-excited oscillation cavity, installation above self-oscillation nozzle are equipped in the self-oscillation nozzle
There is an impeller base, it is eccentrically mounted on impeller base to have impeller shaft and impeller, baffle, the water conservancy diversion intracoelomic cavity are equipped with above the impeller
Equipped with the drainage wall that cavity fluid in tubular body is guided into impeller side outer rim, the drainage wall is equipped with drainage sleeve, self-excitation
It vibrates cavity wall and is equipped with inner sleeve, the wall surface of the self-excited oscillation cavity is equipped with it communicated with the self-excited oscillation cavity and swashs lumen pore, self-oscillation
It is equipped with resonance nozzle below nozzle, circlip is equipped with below the resonance nozzle, resonance nozzle center is equipped with and self-oscillation nozzle
The resonance chamber communicated, resonance chamber internal diameter are greater than self-oscillation nozzle exit end internal diameter, the outer wall of tubular body be equipped with
It swashs the inlet opening of lumen pore connection, and the outer surface of the impeller, impeller shaft and impeller base is coated with high rigidity low-friction coefficient
Carbonitride composite coating, the carbonitride that the self-excited oscillation cavity resonant cavity chamber internal surface is coated with high rigidity low-friction coefficient is multiple
Close coating.
2. a kind of high-efficiency hydraulic pulse cavitating jet generator according to claim 1, which is characterized in that the high rigidity
The carbonitride composite coating of low-friction coefficient is TiCN combination base, the TiCN- being deposited in TiCN combination base
The compound Anti-erosion wearing layer of C3N4 and be deposited on the compound Anti-erosion wearing layer of TiCN-C3N4 three layers of TiCN anti-attrition layer are compound
Structure.
3. a kind of high-efficiency hydraulic pulse cavitating jet generator according to claim 1, which is characterized in that the impeller,
Impeller shaft, impeller base, self-oscillation nozzle and resonance nozzle are all made of YG8 cemented carbide material and are made.
4. a kind of high-efficiency hydraulic pulse cavitating jet generator according to claim 2, which is characterized in that the carbonitride
The overall thickness of composite coating is 8-10 microns, and the TiCN combination groundwork thickness is 2-3 microns, and the TiCN-C3N4 is multiple
Close Anti-erosion wearing layer with a thickness of 3-6 microns, the TiCN anti-attrition layer with a thickness of 3-4 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821250788.1U CN209212156U (en) | 2018-08-05 | 2018-08-05 | A kind of high-efficiency hydraulic pulse cavitating jet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821250788.1U CN209212156U (en) | 2018-08-05 | 2018-08-05 | A kind of high-efficiency hydraulic pulse cavitating jet generator |
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| Publication Number | Publication Date |
|---|---|
| CN209212156U true CN209212156U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821250788.1U Active CN209212156U (en) | 2018-08-05 | 2018-08-05 | A kind of high-efficiency hydraulic pulse cavitating jet generator |
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| Country | Link |
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| CN (1) | CN209212156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395963A (en) * | 2020-03-13 | 2020-07-10 | 武汉大学 | Water conservancy self-driven other-excitation pulse jet generating device and generating system |
| CN113562805A (en) * | 2021-09-26 | 2021-10-29 | 中国海洋大学 | Hydrodynamic cavitation processing apparatus based on rotatory oscillation cavity impeller |
-
2018
- 2018-08-05 CN CN201821250788.1U patent/CN209212156U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395963A (en) * | 2020-03-13 | 2020-07-10 | 武汉大学 | Water conservancy self-driven other-excitation pulse jet generating device and generating system |
| CN113562805A (en) * | 2021-09-26 | 2021-10-29 | 中国海洋大学 | Hydrodynamic cavitation processing apparatus based on rotatory oscillation cavity impeller |
| CN113562805B (en) * | 2021-09-26 | 2022-02-18 | 中国海洋大学 | Hydrodynamic cavitation processing apparatus based on rotatory oscillation cavity impeller |
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