CN211058784U - High-pressure pulse fluid generating device - Google Patents
High-pressure pulse fluid generating device Download PDFInfo
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- CN211058784U CN211058784U CN201922037562.4U CN201922037562U CN211058784U CN 211058784 U CN211058784 U CN 211058784U CN 201922037562 U CN201922037562 U CN 201922037562U CN 211058784 U CN211058784 U CN 211058784U
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- 239000012530 fluid Substances 0.000 title claims abstract description 50
- 230000008676 import Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 67
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000009466 transformation Effects 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000003209 petroleum derivative Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 16
- 230000008602 contraction Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
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Abstract
The utility model relates to a petroleum and natural gas downhole operation instrument field is a high-pressure pulse fluid generates device, including top connection, urceolus and inner core, urceolus lower part inboard is equipped with the spacing ring platform, and the inboard fixed mounting in urceolus upper portion has the top connection that the upper end is located the urceolus top, and the urceolus inboard that corresponds the position between spacing ring platform and the top connection is equipped with the inner core. The utility model has the advantages of reasonable and compact structure, the processing preparation of being convenient for, generate the runner through setting up high-voltage pulse, can make the fluid generate the inside periodic energy conversion that takes place of runner at high-voltage pulse, periodically convert fluidic kinetic energy into the pressure energy that the runner exported to efflux generation, the fluid flows in from left efflux import and right efflux import, flow through and flow out by lower part both sides apopore after the inner core is inside, the fluid turns into the pulse flow state by original steady flow state, improve the utilization ratio of ground high-pressure pump income fluid, improve the reservoir transformation, the perforation, bore the stopper, the effect of operations such as unblock.
Description
Technical Field
The utility model relates to a petroleum and natural gas downhole operation instrument field is a high-pressure pulse fluid generates device.
Background
With the continuous deepening of the exploration and development process of oil and gas resources, most of the residual oil distribution shows a discontinuous distribution trend, which puts higher requirements on oil and gas field development engineering technology. Especially in the fields of low-water-content oil reservoir refinement transformation, bridge plug drilling and grinding and shaft blockage removal, the technological parameters in the stable fluid flowing state are more and more difficult to meet the requirements of on-site refinement operation, wherein the low utilization rate of the fluid pressure energy of a surface pump is one of important reasons, the increase of the bottom-hole hydraulic energy or the improvement of the utilization rate is of great significance for improving the operation efficiency and the effect. At present, the main mode for generating the pulse pressure of the fluid at the well bottom is to utilize a special structure to realize the flow resistance change or the periodic vibration of the fluid at the well bottom, but the problem of unreasonable hydraulic energy matching at the well bottom cannot be fully solved, and most matching devices are designed with moving parts, so that the service life is short, and the severe operation working conditions at the site are difficult to meet.
Disclosure of Invention
The utility model provides a high-voltage pulse fluid generates device has overcome above-mentioned prior art not enough, and it can effectively solve prior art and can not improve the problem of operation effects such as reservoir transformation, perforation, bore stopper, unblock.
The technical scheme of the utility model is realized through following measure: a high-pressure pulse fluid generating device comprises an upper connector, an outer barrel and an inner core, wherein a limit ring platform is arranged on the inner side of the lower part of the outer barrel, the upper connector with the upper end positioned above the outer barrel is fixedly arranged on the inner side of the upper part of the outer barrel, the inner core is arranged on the inner side of the outer barrel corresponding to the position between the limit ring platform and the upper connector, a high-pressure pulse generating flow passage is arranged in the inner core, the high-pressure pulse generating flow passage comprises a jet flow generating flow passage, a water outlet cavity, a water outlet hole, a left annular passage, a left water outlet passage, a right annular passage, a right water outlet passage, a left feedback passage, a left passage, a right passage and a right feedback passage, the jet flow generating flow passage is arranged on the inner side of the upper part of the inner core, the jet flow generating flow passage is in an inverted Y shape, the water outlet cavity which is circular and, each water outlet hole is communicated with the inner side of the lower part of the outer barrel, a left channel and a right channel are arranged on the inner side of the middle part of the inner core corresponding to the position between the jet flow generation channel and the water outlet cavity at intervals from left to right, a left annular channel is arranged on the inner side of the left part of the inner core corresponding to the position between the left channel and the water outlet cavity, the central axis of the left annular channel is in the front-back direction, the left side of the lower part of the left annular channel is communicated with the left side of the upper part of the water outlet cavity through the left water outlet channel, the right side of the upper part of the left annular channel is communicated with the lower end of the left part of the jet flow generation channel through the left; the inner core right part inner side corresponding to the upper side of the right side of the left annular channel is provided with a right annular channel, the central axis of the right annular channel is in the front-back direction, the right side of the lower part of the right annular channel is communicated with the right side of the upper part of the water outlet cavity through a right water outlet channel, the left side of the upper part of the right annular channel is communicated with the lower end of the right part of the jet generation channel through a right channel, the inner core right part corresponding to the right position of the right channel is provided with a right feedback channel, and the right side of the upper part of the.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the jet flow generation flow channel can comprise a contraction channel, a flow guide channel, an injection channel and a jet flow channel which are sequentially communicated from top to bottom, the inner core upper inner side corresponding to the outlet position of the upper joint is provided with the contraction channel which is communicated with the contraction channel and is big-end-up, the lower end of the contraction channel is provided with the flow guide channel which is communicated with the contraction channel, the lower end of the flow guide channel is provided with the injection channel which is communicated with the flow guide channel, the left side and the right side of the middle part of the injection channel are respectively provided with a left feedback outlet and a right feedback outlet, the left feedback channel is communicated with the injection channel through the left feedback outlet, the right feedback channel is communicated with the injection channel through the right feedback outlet, the lower end of the injection channel is provided with the jet flow channel which is communicated with the.
The left channel can comprise a left vertical section and a left inclined section which are sequentially communicated together from top to bottom, the left side and the right side of the upper part of the left annular channel are respectively provided with a left feedback inlet and a left jet outlet, the upper end of the left vertical section is communicated with the left jet inlet, the lower end of the left inclined section is communicated with the left jet outlet, the lower end of the left inclined section is inclined in a left-high-right-low shape, the right side of the inner wall of the left inclined section is tangent to the corresponding position of the upper right side of the inner wall of the left annular channel, and the left feedback inlet is communicated with the left feedback outlet through the left feedback; the right channel comprises a right vertical section and a right inclined section which are sequentially communicated from top to bottom, the left side and the right side of the upper part of the right annular channel are respectively provided with a right jet flow outlet and a right feedback inlet, the upper end of the right vertical section is communicated with the right jet flow inlet, the lower end of the right inclined section is communicated with the right jet flow outlet, the lower end of the right inclined section is inclined in a left-low-right high shape, the left side of the inner wall of the right inclined section is tangent to the corresponding position of the left side of the upper part of the inner wall of the right annular channel, and the right feedback inlet is communicated with.
The cross sections of the contraction channel, the flow guide channel, the injection channel, the jet flow channel, the left annular channel, the left water outlet channel, the right annular channel, the right water outlet channel, the left feedback channel, the left vertical section, the left inclined section, the right vertical section, the right inclined section and the right feedback channel in the direction vertical to the flow velocity of the fluid can be rectangular.
The inner core can comprise a front inner core and a rear inner core which are identical in structure and symmetrically arranged, a front high-voltage pulse generation flow channel and a rear high-voltage pulse generation flow channel which are identical in structure are respectively arranged in the center of the rear side of the front inner core and the center of the front side of the rear inner core, and the front high-voltage pulse generation flow channel and the rear high-voltage pulse generation flow channel form a high-voltage pulse generation flow channel.
The aforesaid still can include connecting bolt, it generates the passageway to correspond the efflux, left side passageway, left side annular channel, left side water outlet channel, go out the water cavity, right side water outlet channel, the preceding inner core middle part and the back inner core middle part of position between right side annular channel and the right side passageway form respectively and split before splitting and split after splitting, preceding split rear side is equipped with two preceding connection screw that link up from beginning to end at the interval, the back split that corresponds every preceding connecting hole position splits the front side and all is equipped with the back connection screw that link up around, all be equipped with the connecting bolt that the rear end is located the back connection screw that corresponds the position in every preceding connection screw, preceding inner core passes through connecting bolt fixed mounting with the back inner core and is in the same place.
The sealing device also comprises a first sealing ring and a second sealing ring, wherein the first sealing ring is arranged between the outer side of the upper part of the inner core and the inner side of the upper part of the outer barrel, and the second sealing ring is arranged between the outer side of the lower part of the upper joint and the inner side of the upper part of the outer barrel at the corresponding position.
The lower part of the outer barrel corresponding to the outer side position of the limit ring table can be provided with a round table with a large upper part and a small lower part, and the outer side of the round table is provided with a connecting thread.
The utility model has the advantages of reasonable and compact structure, the processing preparation of being convenient for, generate the runner through setting up high-voltage pulse, can make the fluid generate the inside periodic energy conversion that takes place of runner at high-voltage pulse, periodically convert fluidic kinetic energy into the pressure energy that the runner exported to efflux generation, the fluid flows in from left efflux import and right efflux import, flow through and flow out by lower part both sides apopore after the inner core is inside, the fluid turns into the pulse flow state by original steady flow state, improve the utilization ratio of ground high-pressure pump income fluid, improve the reservoir transformation, the perforation, bore the stopper, the effect of operations such as unblock.
Drawings
Fig. 1 is a schematic sectional view of the preferred embodiment of the present invention.
The codes in the figures are respectively: the device comprises a top connector 1, an outer barrel 2, a limiting ring platform 3, a connecting bolt 4, a rear inner core 5, a first sealing ring 6, a second sealing ring 7, a rear splitter 8, a contraction channel 9, a diversion channel 10, a jet channel 11, a jet channel 12, a left feedback outlet 13, a right feedback outlet 14, a left jet inlet 15, a right jet inlet 16, a right jet inlet 17, a water outlet cavity 18, a water outlet 18, a left annular channel 19, a left water outlet channel 20, a left feedback channel 21, a left vertical section 22, a left inclined section 23, a right annular channel 24, a right water outlet channel 25, a right vertical section 26, a right inclined section 27, a right feedback channel 28, a left outlet 29, a right outlet 30, a left inlet 31, a left feedback inlet 32, a left jet outlet 33, a right inlet 34, a right jet outlet 35, and a right feedback inlet 36.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in figure 1, the high-pressure pulse fluid generating device comprises an upper connector 1, an outer cylinder 2 and an inner core, wherein a limit ring platform 3 is arranged on the inner side of the lower part of the outer cylinder 2, the upper connector 1 with the upper end positioned above the outer cylinder 2 is fixedly arranged on the inner side of the upper part of the outer cylinder 2, the inner core is arranged on the inner side of the outer cylinder 2 corresponding to the position between the limit ring platform 3 and the upper connector 1, a high-pressure pulse generating flow channel is arranged in the inner core, the high-pressure pulse generating flow channel comprises a jet flow generating flow channel, a water outlet cavity 17, a water outlet hole 18, a left annular channel 19, a left water outlet channel 20, a right annular channel 24, a right water outlet channel 25, a left feedback channel 21, a left channel, a right channel and a right feedback channel 28, the jet flow generating flow channel is arranged on the inner side of the upper part of, the front side and the rear side of the lower part of the inner core are respectively provided with a water outlet hole 18 communicated with the front side and the rear side of the middle part of the water outlet cavity 17, each water outlet hole 18 is communicated with the inner side of the lower part of the outer barrel 2, a left channel and a right channel are arranged at intervals on the left side and the right side of the inner core corresponding to the position between the jet flow generating channel and the water outlet cavity 17, a left annular channel 19 is arranged on the inner side of the left part of the inner core corresponding to the position between the left channel and the water outlet cavity 17, the central axis of the left annular channel 19 is in the front-back direction, the left side of the lower part of the left annular channel 19 is communicated with the left side of the upper part of the water outlet cavity 17 through a left water outlet channel 20, the right side of the upper part of the left annular channel 19 is communicated with the lower end of; the inner core right part inner side above the corresponding left annular channel 19 right side is provided with a right annular channel 24, the central axis of the right annular channel 24 is in the front-back direction, the right side of the lower part of the right annular channel 24 is communicated with the right side of the upper part of the water outlet cavity 17 through a right water outlet channel 25, the left side of the upper part of the right annular channel 24 is communicated with the lower end of the right part of the jet flow generating channel through a right channel, the inner core right part corresponding to the right position of the right channel is provided with a right feedback channel 28, and the right side of the upper part of the right annular channel 24 is communicated with.
According to the requirement, the upper joint 1 can be the prior known technology, the left outlet 29 and the right outlet 30 are respectively arranged on the left side and the right side of the upper part of the water outlet cavity 17, the left inlet 31 is arranged on the left side of the lower part of the left annular channel 19, the right inlet 34 is arranged on the right side of the lower part of the right annular channel 24, the left inlet 31 is communicated with the left outlet 29 through the left water outlet channel 20, the right inlet 34 is communicated with the right outlet 30 through the right water outlet channel 25, and the left annular channel 19 is the same as the right annular channel 24. In the using process, the fluid can form jet flow after flowing through the jet flow generating flow passage by arranging the jet flow generating flow passage, the fluid can generate a rotary effect after flowing into the left annular passage 19 and the right annular passage 24 through the left passage and the right passage respectively by arranging the left annular passage 19, the left passage, the right annular passage 24 and the right passage, the fluid in the left annular passage 19 and the right annular passage 24 can enter the water outlet cavity 17 to do high-speed rotary motion after flowing through the left water outlet passage 20 and the right water outlet passage 25 respectively by arranging the water outlet cavity 17, the flow rate of the fluid is further improved, a part of the fluid in the left annular passage 19 and the right annular passage 24 can alternately act on the fluid in the jet flow generating passage after flowing through the left feedback passage 21 and the right feedback passage 28 respectively by arranging the left feedback passage 21 and the right feedback passage 28, and the fluid is forced to alternately deflect between the lower parts of the jet flow generating passage, and then the fluid generates a pulse effect, thereby improving the utilization rate of the fluid pumped into the ground at high pressure and improving the effects of operations such as reservoir transformation, perforation, drilling plug, blockage removal and the like.
The high-pressure pulse fluid generating device can be further optimized or/and improved according to actual needs:
as shown in the attached figure 1, the jet flow generation flow channel comprises a contraction channel 9, a flow guide channel 10, an injection channel 11 and a jet flow channel 12 which are communicated with each other from top to bottom in sequence, the inner side of the upper part of the inner core corresponding to the outlet position of the upper joint 1 is provided with a contraction channel 9 which is communicated with the inner core and has a big top and a small bottom, the lower end of the contraction channel 9 is provided with a flow guide channel 10 which is communicated with the contraction channel, the lower end of the flow guide channel 10 is provided with an injection channel 11 which is communicated with the flow guide channel, the left side and the right side of the middle part of the injection channel 11 are respectively provided with a left feedback outlet 13 and a right feedback outlet 14, the left feedback channel 21 is communicated with the injection channel 11 through the left feedback outlet 13, the right feedback channel 28 is communicated with the injection channel 11 through the right feedback outlet 14, the lower end of the injection channel 11 is provided with a jet channel 12 which is communicated with the injection channel and has a big.
In the use process, through the arrangement, fluid can form jet flow after flowing through the contraction channel 9, the flow guide channel 10 and the jet channel 11, the jet flow enters the jet channel 12 through the lower end of the jet channel 11, due to the turbulence of the jet flow, entrainment of the jet flow and the interference effect between two side wall surfaces of the jet channel 12 are asymmetric, pressure difference is generated on two sides of the jet flow, the pressure difference pushes the deflection of the jet flow, a wall attachment effect is generated, the jet flow is attached to one side wall surface of a jet flow space, flows along the wall surface and reaches a jet flow outlet (a left jet flow outlet 33 or a right jet flow outlet 35) on the side.
As shown in fig. 1, the left channel comprises a left vertical section 22 and a left inclined section 23 which are sequentially communicated together from top to bottom, the left side and the right side of the upper part of the left annular channel 19 are respectively provided with a left feedback inlet 32 and a left jet outlet 33, the upper end of the left vertical section 22 is communicated with the left jet inlet 15, the lower end of the left inclined section 23 is communicated with the left jet outlet 33, the lower end of the left inclined section 23 is inclined in a left-high-right-low shape, the right side of the inner wall of the left inclined section is tangent to the corresponding position of the upper right side of the inner wall of the left annular channel 19, and the left feedback inlet 32 is communicated with the left feedback outlet; the right channel comprises a right vertical section 26 and a right inclined section 27 which are sequentially communicated together from top to bottom, the left side and the right side of the upper part of the right annular channel 24 are respectively provided with a right jet flow outlet 35 and a right feedback inlet 36, the upper end of the right vertical section 26 is communicated with the right jet flow inlet 16, the lower end of the right inclined section 27 is communicated with the right jet flow outlet 35, the lower end of the right inclined section 27 is inclined in a left-low-right-high shape, the left side of the inner wall of the right inclined section is tangent to the corresponding position of the left side of the upper part of the inner wall of the right annular channel 24, and the right feedback inlet 36 is communicated with the.
In use, with this arrangement, a more intense swirling effect of the fluid in the left or right annular passage 19, 24 can be created, causing a small portion of the swirling fluid to flow upwardly into the left or right feedback passage 21, 28. Most of the fluid further rotates at high speed in the bottom water outlet cavity 17, so that the flow speed of the fluid discharged from the water outlet hole 18 is increased, and the pulse jet effect of the fluid is improved.
As shown in fig. 1, the cross-sections of the contraction channel 9, the diversion channel 10, the injection channel 11, the jet channel 12, the left annular channel 19, the left water outlet channel 20, the right annular channel 24, the right water outlet channel 25, the left feedback channel 21, the left vertical section, the left inclined section 23, the right vertical section 26, the right inclined section 27 and the right feedback channel 28 in the direction perpendicular to the flow velocity of the fluid are all rectangular.
During the use, through such setting, can be convenient for change the processing size to change the frequency that the pulse flows and the amplitude of pulse, can adapt to different types of operational environment.
As shown in fig. 1, the inner core includes a front inner core and a rear inner core 5 which have the same structure and are symmetrically arranged, a front high-voltage pulse generation flow channel and a rear high-voltage pulse generation flow channel which have the same structure are respectively arranged at the center of the rear side of the front inner core and the center of the front side of the rear inner core 5, and the front high-voltage pulse generation flow channel and the rear high-voltage pulse generation flow channel form the high-voltage pulse generation flow channel.
In the use, through such setting, be convenient for process high-pressure pulse generates the runner, can improve the size precision that high-pressure pulse generated the runner, can improve the utilization ratio of ground high pressure pump income fluid.
As shown in the attached drawing 1, the jet generating device further comprises a connecting bolt 4, a corresponding jet generating channel, a left annular channel 19, a left water outlet channel 20, a water outlet cavity 17, a right water outlet channel 25, a front inner core middle part and a rear inner core 5 middle part of positions between the right annular channel 24 and the right channel respectively form a front splitter and a rear splitter 8, the front splitter is provided with two front and rear through front and rear front connecting screw holes at the rear side of the front splitter, the front side of the rear splitter 8 corresponding to each front connecting hole position is provided with a front and rear connecting screw hole which is through, each front connecting screw hole is internally provided with a connecting bolt 4 of which the rear end is positioned in the corresponding rear connecting screw hole, and the front inner core and the rear inner core 5 are fixedly installed together through the.
The connecting bolt 4 may be a known technique, such as a countersunk head bolt, according to the requirements. In the use process, through the arrangement, the front inner core and the rear inner core 5 can be reliably and fixedly installed together, and the sealing performance between the front high-voltage pulse generation flow passage and the rear high-voltage pulse generation flow passage is improved.
As shown in the attached figure 1, the sealing device also comprises a first sealing ring 6 and a second sealing ring 7, wherein the first sealing ring 6 is arranged between the outer side of the upper part of the inner core and the inner side of the upper part of the outer cylinder 2, and the second sealing ring 7 is arranged between the outer side of the lower part of the upper joint 1 and the inner side of the upper part of the outer cylinder 2 at the corresponding position.
The first seal ring 6 and the second seal ring 7 may be any known seal ring, such as O-ring, according to the requirement. In the use process, the first sealing ring 6 is arranged, so that the sealing performance between the outer side of the upper part of the inner core and the outer cylinder 2 can be improved, and the fluid in the upper joint 1 can only flow into the inner side of the inner core through the contraction channel 9. By providing the second seal ring 7, the sealing performance between the outer cylinder 2 and the upper joint 1 can be increased, and the fluid in the upper joint 1 can only flow into the inner core from the contraction passage 9.
As shown in the attached figure 1, the lower part of the outer cylinder 2 corresponding to the outer side position of the limit ring table 3 can be a circular table with a large upper part and a small lower part, and the outer side of the circular table is provided with connecting threads.
In the use, through such setting, can be convenient for link the utility model discloses with other downhole tool together.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature as required, satisfies the demand of different situation.
Claims (9)
1. A high-pressure pulse fluid generating device is characterized by comprising an upper connector, an outer barrel and an inner core, wherein a limit ring platform is arranged on the inner side of the lower part of the outer barrel, the upper connector with the upper end positioned above the outer barrel is fixedly arranged on the inner side of the upper part of the outer barrel, the inner core is arranged on the inner side of the outer barrel corresponding to the position between the limit ring platform and the upper connector, a high-pressure pulse generating flow passage is arranged in the inner core, the high-pressure pulse generating flow passage comprises a jet flow generating flow passage, a water outlet cavity, a water outlet hole, a left annular passage, a left water outlet passage, a right annular passage, a right water outlet passage, a left feedback passage, a left passage, a right passage and a right feedback passage, the jet flow generating flow passage is arranged on the inner side of the upper part of the inner core, the jet flow generating passage is in an inverted Y shape, the water outlet cavity which is circular and has, each water outlet hole is communicated with the inner side of the lower part of the outer barrel, a left channel and a right channel are arranged on the inner side of the middle part of the inner core corresponding to the position between the jet flow generation channel and the water outlet cavity at intervals from left to right, a left annular channel is arranged on the inner side of the left part of the inner core corresponding to the position between the left channel and the water outlet cavity, the central axis of the left annular channel is in the front-back direction, the left side of the lower part of the left annular channel is communicated with the left side of the upper part of the water outlet cavity through the left water outlet channel, the right side of the upper part of the left annular channel is communicated with the lower end of the left part of the jet flow generation channel through the left; the inner core right part inner side corresponding to the upper side of the right side of the left annular channel is provided with a right annular channel, the central axis of the right annular channel is in the front-back direction, the right side of the lower part of the right annular channel is communicated with the right side of the upper part of the water outlet cavity through a right water outlet channel, the left side of the upper part of the right annular channel is communicated with the lower end of the right part of the jet generation channel through a right channel, the inner core right part corresponding to the right position of the right channel is provided with a right feedback channel, and the right side of the upper part of the.
2. The high-pressure pulse fluid generating device as claimed in claim 1, wherein the jet generating channel comprises a converging channel, a flow guiding channel, a jetting channel and a jet channel which are sequentially connected from top to bottom, the inner core upper portion inboard that corresponds top connection exit position is equipped with rather than being linked together and is big-end-up's shrink passageway, shrink passageway lower extreme is equipped with the water conservancy diversion passageway rather than being linked together, water conservancy diversion passageway lower extreme is equipped with the injection passage rather than being linked together, injection passage middle part left side and right side are equipped with left feedback export and right feedback export respectively, left feedback passageway is through left feedback export and injection passage intercommunication, right feedback passageway is through right feedback export and injection passage intercommunication, the injection passage lower extreme is equipped with rather than being linked together and is big-end-up's fluidic passage, fluidic passage left part lower extreme is left efflux import, fluidic passage right part lower extreme is right efflux import.
3. The high-pressure pulse fluid generating device according to claim 2, wherein the left channel comprises a left vertical section and a left inclined section which are sequentially communicated from top to bottom, the left side and the right side of the upper part of the left annular channel are respectively provided with a left feedback inlet and a left jet outlet, the upper end of the left vertical section is communicated with the left jet inlet, the lower end of the left inclined section is communicated with the left jet outlet, the lower end of the left inclined section is inclined in a left-high-right-low shape, the right side of the inner wall of the left inclined section is tangent to the corresponding position of the upper right side of the inner wall of the left annular channel, and the left feedback inlet is communicated with the left feedback outlet through the left feedback channel; the right channel comprises a right vertical section and a right inclined section which are sequentially communicated from top to bottom, the left side and the right side of the upper part of the right annular channel are respectively provided with a right jet flow outlet and a right feedback inlet, the upper end of the right vertical section is communicated with the right jet flow inlet, the lower end of the right inclined section is communicated with the right jet flow outlet, the lower end of the right inclined section is inclined in a left-low-right high shape, the left side of the inner wall of the right inclined section is tangent to the corresponding position of the left side of the upper part of the inner wall of the right annular channel, and the right feedback inlet is communicated with.
4. The high-pressure pulsed fluid generating device according to claim 3, wherein the cross-sections of the constricted channel, the flow guide channel, the injection channel, the jet channel, the left annular channel, the left water outlet channel, the right annular channel, the right water outlet channel, the left feedback channel, the left vertical section, the left inclined section, the right vertical section, the right inclined section and the right feedback channel in the direction perpendicular to the flow velocity of the fluid are all rectangular.
5. The high-voltage pulse fluid generating device as claimed in claim 4, wherein the inner core comprises a front inner core and a rear inner core which are identical in structure and are symmetrically arranged, a front high-voltage pulse generating flow passage and a rear high-voltage pulse generating flow passage which are identical in structure are respectively provided in a center of a rear side of the front inner core and a center of a front side of the rear inner core, and the front high-voltage pulse generating flow passage and the rear high-voltage pulse generating flow passage form the high-voltage pulse generating flow passage.
6. The high-pressure pulse fluid generating device according to claim 5, further comprising a connecting bolt, wherein a front splitter and a rear splitter are respectively formed in the middle of the front inner core and the middle of the rear inner core corresponding to positions between the jet generating channel, the left annular channel, the left water outlet channel, the water outlet cavity, the right water outlet channel, the right annular channel and the right channel, two front connecting screw holes penetrating front and rear are formed in the rear side of the front splitter at intervals from top to bottom, a rear connecting screw hole penetrating front and rear is formed in the front side of the rear splitter corresponding to each front connecting hole, a connecting bolt with a rear end located in the rear connecting screw hole corresponding to each front connecting hole is formed in each front connecting screw hole, and the front inner core and the rear inner core are fixedly mounted together through the connecting bolt.
7. The high-pressure pulse fluid generating apparatus as claimed in claim 1, 2, 3, 4, 5 or 6, further comprising a first seal ring and a second seal ring, wherein the first seal ring is provided between an outer side of an upper portion of the inner core and an inner side of an upper portion of the outer cylinder, and the second seal ring is provided between an outer side of a lower portion of the upper joint and an inner side of an upper portion of the outer cylinder at a corresponding position.
8. The high-pressure pulse fluid generating apparatus as claimed in claim 1, 2, 3, 4, 5 or 6, wherein a circular truncated cone having a larger upper portion and a smaller lower portion is provided at a lower portion of the outer cylinder corresponding to an outer side position of the stopper ring, and a connecting thread is provided at an outer side of the circular truncated cone.
9. The high-pressure pulse fluid generating apparatus according to claim 7, wherein a circular truncated cone having a large upper portion and a small lower portion is provided at a lower portion of the outer cylinder corresponding to a position outside the retainer ring, and a connecting thread is provided outside the circular truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037562.4U CN211058784U (en) | 2019-11-22 | 2019-11-22 | High-pressure pulse fluid generating device |
Applications Claiming Priority (1)
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| CN110714744A (en) * | 2019-11-22 | 2020-01-21 | 中国石油天然气集团有限公司 | High-pressure pulse fluid generation device and use method |
| CN110714744B (en) * | 2019-11-22 | 2024-04-26 | 中国石油天然气集团有限公司 | High-pressure pulse fluid generating device and using method |
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