CN112855097A - Bridge type concentric constant-current water distributor - Google Patents
Bridge type concentric constant-current water distributor Download PDFInfo
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- CN112855097A CN112855097A CN202110179922.3A CN202110179922A CN112855097A CN 112855097 A CN112855097 A CN 112855097A CN 202110179922 A CN202110179922 A CN 202110179922A CN 112855097 A CN112855097 A CN 112855097A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 230
- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 29
- 229920001971 elastomer Polymers 0.000 claims description 25
- 210000001503 joint Anatomy 0.000 claims description 11
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 8
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
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- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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Abstract
The invention discloses a bridge type concentric constant-current water distributor, which comprises an upper joint, a connecting sleeve and a lower joint which are sequentially connected, wherein a concentric movable cylinder connected by a positioning platform is arranged in the connecting sleeve, the concentric movable cylinder is supported in the lower joint, and the outer part of the concentric movable cylinder is sleeved in a water distributor main body; the main body of the water distributor is provided with a bridge-type water distributor channel consisting of a fixed water nozzle and a water outlet which are communicated with the connecting sleeve and the concentric movable cylinder, the fixed water nozzle is internally provided with a steady flow regulating sheet, and the lower end of the steady flow regulating sheet is provided with a steady flow spring; the opening degree between the steady flow adjusting sheet and the fixed water nozzle is changed by automatically adjusting the steady flow spring under the impact of water flow pressure, so that the flow fluctuation of layered water injection is controlled. The device adopts the design of stationary flow adjustment sheet, when pit shaft pressure fluctuates a little, through stationary flow adjustment sheet automatically regulated, on the basis of fixed water injection well choke regulation, carries out layering flow rate small regulation, promotes layering water injection qualification rate.
Description
Technical Field
The invention belongs to the technical field of oilfield water injection, and particularly relates to a bridge type concentric constant-flow water distributor.
Background
In order to solve the problems that an eccentric structure is adopted in the previous bridge type eccentric separate injection technology, the eccentric throwing and fishing success rate is low, the water nozzle is adjusted by a universal shaft, the power transmission efficiency is low, the measuring and adjusting success rate is low and the like, the prior art adopts the separate injection technology to adopt concentric butt joint and concentric adjustment, water flows into a stratum through one-time throttling, the dirt deposition caused by the water nozzle streaming is reduced, the measuring and adjusting encounter resistance is further caused, the butt joint success rate is greatly improved, the measuring and adjusting precision is high, the measuring and adjusting efficiency is high, the separate injection requirements of multiple separate injection stages, the adaptation to large well inclination, the produced water, the small water quantity and the like are met, and the fine separate. However, the separate injection technology still needs to adopt underground mechanical butt joint, needs to be equipped with a measurement and adjustment team and an instrument for periodic test and adjustment, and is influenced by factors such as pressure fluctuation of a ground water injection system, change of stratum water absorption capacity and the like, and the throttling effect of a water nozzle is changed, so that the separate injection qualification rate of the separate injection well is reduced rapidly, and the development effect of oil reservoir layered water injection is severely limited.
Disclosure of Invention
The invention aims to provide a bridge type concentric constant-current water distributor, which utilizes a layered flow constant-current control technical method of an underground water distributor and adopts a steady flow regulating sheet design, when the pressure of a shaft fluctuates slightly, the steady flow regulating sheet automatically regulates, and the layered flow is regulated slightly on the basis of regulating a fixed water nozzle, so that the qualified rate of layered water injection is improved.
The invention is realized by the following technical scheme.
The invention provides a bridge type concentric constant-current water distributor, which comprises an upper joint, a connecting sleeve and a lower joint which are sequentially connected, wherein a concentric movable cylinder connected by a positioning platform is arranged in the connecting sleeve, the concentric movable cylinder is supported in the lower joint, and the outer part of the concentric movable cylinder is sleeved in a water distributor main body; the main body of the water distributor is provided with a bridge-type water distributor channel consisting of a fixed water nozzle and a water outlet which are communicated with the connecting sleeve and the concentric movable cylinder, the fixed water nozzle is internally provided with a steady flow regulating sheet, and the lower end of the steady flow regulating sheet is provided with a steady flow spring; the opening degree between the steady flow adjusting sheet and the fixed water nozzle is changed by automatically adjusting the steady flow spring under the impact of water flow pressure, so that the flow fluctuation of layered water injection is controlled.
Preferably, the tail part of the concentric movable cylinder is supported in the lower joint through a supporting seat.
Preferably, the supporting seat is provided with a bridge type overflowing hole which is communicated with a bridge type channel of the water distributor.
Preferably, a positioning anti-reverse-rotation groove which is in positioning butt joint with the measuring and adjusting instrument is arranged above the positioning platform, the middle section in the positioning platform is a righting section, and a concentric movable barrel is sleeved in the positioning platform; the middle of the positioning platform is provided with a sewage discharge overflowing hole, an adjusting screw thread, a tool withdrawal groove and a sealing rubber ring, and the adjusting screw thread is in butt joint with the adjusting screw thread on the concentric movable cylinder.
Preferably, the fixed water nozzle comprises a water outlet arranged on the water distributor main body, a fixed water nozzle front sleeve and a fixed water nozzle rear sleeve are respectively arranged inside and outside the side wall of the water distributor main body corresponding to the water outlet from top to bottom, and the steady flow adjusting sheet is arranged between the fixed water nozzle front sleeve and the fixed water nozzle rear sleeve; the steady flow spring is fixedly arranged on the water distributor main body which is butted with the supporting seat below the steady flow regulating sheet.
Preferably, the steady flow regulating piece is provided with a water passing opening, the length of the steady flow regulating piece is half of the length of the oval water passing opening which is sleeved behind the fixed water nozzle, and the fixed water nozzle front sleeve, the fixed water nozzle rear sleeve and the steady flow regulating piece are aligned at the upper end of the water passing opening.
Preferably, the middle part of the steady flow regulating sheet is made of ceramic materials; the front sleeve and the rear sleeve of the fixed water nozzle are respectively an oval water passing port, and the two water passing ports are completely aligned.
Preferably, sealing rubber rings are arranged on the front sleeve of the fixed water nozzle, the lower part of the rear sleeve of the fixed water nozzle and the steady flow regulating sheet; and a baffle ring is arranged on the sealing rubber ring at the lower end of the steady flow adjusting sheet.
Preferably, the water outlet on the water distributor main body is a crescent hole on the outer side of the water distributor main body, and the water distributor main body and the positioning platform are coaxially arranged.
Preferably, four adjusting grooves are arranged on the concentric movable cylinder, and the upper end and the lower end of each adjusting groove are respectively provided with a forward tripping groove and a reverse tripping groove.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) the concentric butt joint adjusting structure of the water distributor realizes the matching use with the original underground testing adjusting instrument.
(2) The design of the layered flow constant-current control structure added on the water distributor fixed water nozzle overcomes the problem that water distribution needs to be encrypted in the early stage for manual test and adjustment, solves the layered flow fluctuation caused by small-amplitude pressure fluctuation, and reduces the qualified rate of layered water injection.
(3) The design of combining underground flow regulation and pressure stabilization control is adopted, the flow control effect is improved, and layered flow constant control is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:
FIG. 1 is a schematic diagram of the overall structure of a bridge type concentric constant-flow water distributor;
FIG. 2 is a schematic view of a bridge concentric constant flow water distributor nozzle with a partially enlarged view;
FIG. 3 is a schematic structural diagram of a bridge type concentric constant-flow water distributor main body;
FIG. 4 is a schematic view of the water outlet in the water distributor body;
fig. 5 is a schematic view of a concentric movable cylinder structure.
Reference numerals: 1. an upper joint; 2. positioning the platform; 2-1, positioning an anti-reverse groove; 2-2, a righting section; 2-3, a sewage discharge overflowing hole; 2-4, sealing a rubber ring; 2-5, a tool withdrawal groove; 2-6, adjusting the screw thread; 2-7, sealing a rubber ring by a supporting seat; 2-8, supporting seat pin grooves; 3-connecting sleeves; 4-a concentric movable cylinder; 4-1, reverse tripping groove; 4-2, a positive tripping groove; 4-3, fluorine rubber ring; 4-4, adjusting the groove; 4-5, adjusting screw threads; 4-6, ceramic water nozzle; 4-7, gluing the screw threads; 5. a water distributor body; 5-1, a first sealing rubber ring; 5-2, a second sealing rubber ring; 5-3, a metal guide ring; 5-4, a ceramic water outlet; 5-5, a third sealing rubber ring; 5-6, a fourth sealing rubber ring; 6. a front sleeve of the fixed water nozzle; 7. a water outlet; 8. a fixed water nozzle back sleeve; 9. a steady flow regulating sheet; 10. a steady flow spring; 11. a supporting seat; 12. and a lower joint.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the present invention are provided to explain the present invention without limiting the invention thereto.
As shown in fig. 1 and 2, the invention provides a bridge type concentric constant-current water distributor, which comprises an upper joint 1, a positioning platform 2, a connecting sleeve 3, a concentric movable cylinder 4, a water distributor main body 5, a fixed water nozzle front sleeve 6, a water outlet 7, a fixed water nozzle rear sleeve 8, a constant-current regulating sheet 9, a constant-current spring 10, a supporting seat 11 and a lower joint 12.
Wherein, the connecting sleeve 3 is sleeved at the lower end of the upper joint 1, and the connecting sleeve 3 is in threaded connection with the lower end of the upper joint 1; the water distributor main body 5 is sleeved between the connecting sleeve 3 and the lower joint 12, the water distributor main body 5 is in threaded connection with the lower end of the connecting sleeve 3 and the upper end of the lower joint 12, the supporting seat 11 is installed in the water distributor main body 5 above the lower joint 12, and the supporting seat 11 is fixed in the water distributor main body 5 through a pin. The connecting sleeve 3 is internally provided with a concentric movable cylinder 4 connected by a positioning platform 2, the positioning platform 2 is inserted at the upper end of a water distributor main body 5 and is fixed by welding, the concentric movable cylinder 4 is sleeved in the water distributor main body 5 and the positioning platform 2, and the water distributor main body 5 is connected with the concentric movable cylinder 4 by screw threads.
As shown in fig. 3, the positioning platform 2 is used for positioning and butt-jointing with the testing and adjusting instrument to complete the testing and allocating process, and 4 positioning anti-reverse grooves 2-1 are designed to complete the relative rotation of the testing and adjusting instrument and the positioning platform 2. A positioning anti-reverse rotation groove 2-1 which is in positioning butt joint with the measuring and adjusting instrument is arranged above the positioning platform 2, and the middle section inside the positioning platform 2 is a righting section 2-2 which is used for sleeving the concentric movable cylinder 4 inside the positioning platform and righting the concentric movable cylinder 4 to ensure that the concentric movable cylinder 4 is concentric with the measuring and adjusting instrument and reduce the measuring and adjusting torque. And a sewage discharge overflowing hole 2-3 is designed in the middle of the positioning platform 2 and used for discharging impurities in the positioning platform 2 and enabling water flow to enter the bridge type channel during measurement and regulation, so that the influence on water injection of other intervals is reduced. The middle of the positioning platform 2 is also provided with an adjusting screw thread 2-6, a tool withdrawal groove 2-5 and a sealing rubber ring 2-4, and the adjusting screw thread 2-6 is butted with an adjusting screw thread on the concentric movable cylinder 4 to complete the adjustment of the water nozzle; the sealing rubber ring is used for sealing the positioning platform 2 and the concentric movable cylinder 4, so that no impurities exist in the adjusting screw thread, and screw thread oil on the adjusting screw thread is protected; the tool withdrawal groove is used for processing the tool withdrawal.
The water distributor main body 5 is provided with a fixed water nozzle and a water outlet 7, the fixed water nozzle comprises a fixed water nozzle front sleeve 6 and a fixed water nozzle rear sleeve 8, as shown in figure 2, a steady flow adjusting sheet 9 is arranged between the fixed water nozzle front sleeve 6 and the fixed water nozzle rear sleeve 8, the lower end of the steady flow adjusting sheet 9 is provided with a steady flow spring 10, and the upper end of the steady flow spring 10 is connected with the steady flow adjusting sheet 9 to realize automatic adjustment of the adjusting sheet and change the opening degree of the water nozzle. The fixed water nozzle front sleeve 6 is designed on the innermost layer, the water distributor main body is made of ceramic materials, and the upper end and the lower end of the fixed water nozzle front sleeve 6 are respectively provided with a sealing rubber ring, so that effective sealing between the fixed water nozzle front sleeve and the concentric movable cylinder 4 is realized; the upper end of the sealing gasket is provided with a baffle ring. The water distributor main body is compressed on the supporting seat 11 through the inclined plane, and the fixing of the front sleeve 6 of the fixed water nozzle is ensured. The middle part of the steady flow regulating sheet 9 is designed by adopting ceramic materials, and the upper end and the lower end are simultaneously designed with sealing rubber rings, so that the steady flow regulating sheet 9 is ensured to be relatively sealed with the fixed water nozzle front sleeve 6 and the fixed water nozzle rear sleeve 8. Meanwhile, metal baffle rings are respectively designed outside the rubber rings, the upper end baffle ring is used for fixing and limiting the position of the positioning platform 2, and the lower end metal baffle ring is in contact with the steady flow spring 10, so that the sealing rubber rings are prevented from being damaged by the spring. The fixed water nozzle rear sleeve 8 is made of ceramic materials, a sealing rubber ring is designed at the upper end of the fixed water nozzle rear sleeve to realize effective sealing with the water distributor main body 5, and the lower end of the fixed water nozzle rear sleeve is supported on a reducing platform at the lower end of the water distributor main body to realize the fixation of the fixed water nozzle rear sleeve 8 without relative movement; the front sleeve 6 of the fixed water nozzle and the rear sleeve 8 of the fixed water nozzle are respectively provided with an oval water passing port, and the two water passing ports are completely aligned. A water outlet 7 on the water distributor main body 5 finishes the water flow to enter the stratum; the water outlet 7 is provided with a metal flow guide ring and a ceramic water outlet, the metal flow guide ring reduces the resistance to water outlet and improves the passing performance, and the ceramic water outlet has better hardness and corrosion resistance and good long-term application effect.
The steady flow spring 10 is fixedly arranged between the water distributor main body 5 and the supporting seat 11, and the upper end of the steady flow spring is connected with the steady flow regulating sheet 9 to ensure the sealing of the steady flow spring 10. The fixed water nozzle front sleeve 6, the fixed water nozzle rear sleeve 8, the steady flow adjusting sheet 9 and the steady flow spring 10 form a steady flow control structure, and under the impact of water flow pressure, the steady flow adjusting sheet 9 changes the opening degree between the steady flow adjusting sheet 9 and the fixed water nozzle front sleeve and the fixed water nozzle rear sleeve under the automatic adjustment of the steady flow spring 10. When the steady flow regulating piece 9 is assembled, the steady flow spring 10 is compressed to generate prestress, a water passing opening is designed on the steady flow regulating piece 9, the length of the water passing opening is half of the length of an oval water passing opening of the fixed water nozzle rear sleeve 8, and the upper ends of the water passing openings of the fixed water nozzle front sleeve 6, the fixed water nozzle rear sleeve 8 and the steady flow regulating piece 9 are aligned.
The supporting seat is provided with supporting seat sealing rubber rings 2-7 to realize effective sealing with the water distributor main body 5, and is also provided with supporting seat pin grooves 2-8 to be fixed with the water distributor main body 5 through pins. Bridge type overflowing holes are designed on the supporting seat and communicated with a bridge type channel of the water distributor, overflowing in the testing process is achieved, and interlayer interference is reduced.
As shown in figure 4, the water distributor main body 5 is provided with two crescent-shaped holes which are water outlets, a metal guide ring 5-3 is arranged on the water outlet, and the ceramic water outlet 5-4 is arranged on the inner side of the metal guide ring 5-3. The hole is a bridge-type channel of the water distributor, so that normal water injection of other layers is not influenced in the single-layer adjusting process. The upper and lower water distributor bodies 5 of the water outlet are respectively provided with a first sealing rubber ring 5-1, a second sealing rubber ring 5-2, a third sealing rubber ring 5-5 and a fourth sealing rubber ring 5-6.
The water distributor main body 5 and the positioning mechanism 2 are connected in a welding mode, and after welding, a coaxial design needs to be achieved, so that smooth adjustment of the water nozzle is guaranteed. The water injection channel is established by the water outlet 7, the fixed water nozzle front sleeve 6, the fixed water nozzle rear sleeve 8 and the steady flow adjusting sheet 9 together, the oil pipe and the oil sleeve annulus are communicated at the shortest distance, and the problem of blockage caused by overlong water nozzle flow channel is reduced.
As shown in FIG. 5, four adjusting grooves 4-4 are designed on the concentric movable cylinder 4 and are used for concentric butt joint with an adjusting instrument and adjusting the opening degree of a fixed water nozzle of the water distributor. The upper end and the lower end of the adjusting groove 4-4 are respectively provided with a reverse tripping groove 4-1 and a forward tripping groove 4-2, so that the measuring and adjusting instrument can be adjusted to the end part and smoothly tripped, and the instrument is prevented from being locked. The upper section of the concentric movable cylinder 4 is provided with a fluororubber ring 4-3 which has a self-lubricating function, and the concentric movable cylinder 4 is righted in the positioning platform, and meanwhile, the torque during rotation is reduced. And the concentric movable cylinder 4 is also provided with adjusting threads 4-5 which are matched and butted with the adjusting threads on the positioning platform 2 to complete the rotation adjustment of the concentric movable cylinder 4. The lower end of the concentric movable cylinder 4 is provided with a ceramic water nozzle 4-6, a cementing screw thread 4-7 is arranged between the ceramic water nozzle and the concentric movable cylinder 4, and the cementing screw thread improves the cementing effect and avoids later loosening and falling off while ensuring the concentricity between the ceramic water nozzle and the concentric movable cylinder. The concentric movable cylinder 4 moves up and down along with the adjustment of the underground adjusting instrument, thereby changing the opening degree of the fixed water nozzle and realizing the layered flow adjustment.
The design of the steady flow regulating sheet is adopted, when the pressure of a shaft fluctuates slightly, the steady flow regulating sheet automatically regulates, and on the basis of regulating the fixed water nozzle, the layered flow is regulated slightly, so that the qualified rate of layered water injection is improved.
Four adjusting grooves are designed on the concentric movable cylinder 4 and are used for concentric butt joint with an adjusting instrument and adjusting the opening degree of an adjusting mechanism of the water distributor. The concentric movable cylinder 4 moves up and down along with the adjustment of the underground adjusting instrument, thereby changing the opening degree of the fixed water nozzle and realizing the layered flow adjustment. The main structure of the water distributor is provided with two crescent holes which are bridge-type channels of the water distributor, so that normal water injection of other layers is not influenced in the single-layer adjusting process. The water distributor main body is connected with the positioning mechanism in a welding mode, and coaxial design needs to be achieved after welding, so that smooth adjustment of the water nozzle is guaranteed. The water distributor positioning structure is provided with two rectangular sewage discharge holes to prevent dirt in the concentric movable cylinder from causing resistance measurement and adjustment.
The following describes the implementation process of the bridge type concentric constant flow water distributor in detail by way of example,
the bridge type concentric constant-current water distributor is matched with a packer for use, so that the design of a separate-layer water injection pipe column is realized, the water distributor is designed into an underground separate-layer flow constant-current structure, a steady-flow adjusting sheet, a steady-flow spring and other structures are designed in a fixed water nozzle structure, and under the condition that the opening degree of a water outlet is fixedly adjusted by the fixed water nozzle, the front and back pressure of the fixed water nozzle is further adjusted, so that the flow stability of the water outlet of the. In the field test process, the concentric movable cylinder of the water distributor is adjusted firstly, then the opening degree of the fixed water nozzle is adjusted, then the steady flow adjusting sheet of the water distributor automatically adjusts the opening degree of the fixed water nozzle, the change of the layered flow is further stabilized, and the layered flow stability to a certain degree is ensured.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (10)
1. A bridge type concentric constant-current water distributor comprises an upper connector (1), a connecting sleeve (3) and a lower connector (12) which are sequentially connected, and is characterized in that a concentric movable cylinder (4) connected by a positioning platform (2) is arranged in the connecting sleeve (3), the concentric movable cylinder (4) is supported in the lower connector (12), and the outer part of the concentric movable cylinder (4) is sleeved in a water distributor main body (5); a bridge-type water distributor channel consisting of a fixed water nozzle and a water outlet (7) which are communicated with the connecting sleeve (3) and the concentric movable cylinder (4) is arranged on the water distributor main body (5), a steady flow regulating sheet (9) is arranged in the fixed water nozzle, and a steady flow spring (10) is arranged at the lower end of the steady flow regulating sheet (9); the opening degree between the steady flow adjusting sheet (9) and the fixed water nozzle is changed by automatically adjusting the steady flow spring (10) under the impact of water flow pressure, so that the flow fluctuation of layered water injection is controlled.
2. A bridge concentric constant flow distributor according to claim 1, characterized in that the tail of the concentric movable cylinder (4) is supported in the lower joint (12) by means of a support (11).
3. A bridge type concentric constant flow distributor according to claim 2, wherein the support base (11) is provided with a bridge type overflow hole communicating with the bridge type passage of the distributor.
4. A bridge type concentric constant-current water distributor according to claim 1, characterized in that a positioning anti-inversion groove (2-1) which is in positioning butt joint with a measuring and adjusting instrument is arranged above the positioning platform (2), the middle section in the positioning platform (2) is a righting section, and a concentric movable cylinder (4) is sleeved in the centering section; a sewage discharge overflowing hole (2-3), an adjusting screw thread (2-6), a tool withdrawal groove (2-5) and a sealing rubber ring (2-4) are designed in the middle of the positioning platform (2), and the adjusting screw thread (2-6) is in butt joint with an adjusting screw thread on the concentric movable cylinder (4).
5. A bridge type concentric constant-current water distributor according to claim 2, wherein the fixed water nozzle comprises a water outlet (7) arranged on the water distributor main body (5), a fixed water nozzle front sleeve (6) and a fixed water nozzle rear sleeve (8) are respectively arranged inside and outside the side wall of the water distributor main body (5) corresponding to the water outlet (7) from top to bottom, and a steady flow adjusting sheet (9) is arranged between the fixed water nozzle front sleeve (6) and the fixed water nozzle rear sleeve (8); the steady flow spring (10) is fixedly arranged on the water distributor main body (5) which is butted with the supporting seat (11) below the steady flow regulating sheet (9).
6. A bridge type concentric constant flow water distributor according to claim 5, wherein the steady flow regulating piece (9) is provided with a water passing opening, the length of the steady flow regulating piece is half of the length of an oval water passing opening of the fixed water nozzle rear sleeve (8), and the fixed water nozzle front sleeve (6), the fixed water nozzle rear sleeve (8) and the steady flow regulating piece (9) are aligned at the upper end of the water passing opening.
7. A bridge type concentric constant flow water distributor according to claim 6, characterized in that the steady flow regulating sheet (9) is made of ceramic material in the middle; the front sleeve (6) and the rear sleeve (8) of the fixed water nozzle are respectively oval water passing ports, and the two water passing ports are completely aligned.
8. A bridge type concentric constant flow water distributor according to claim 5, wherein sealing rubber rings are arranged above and below the fixed water nozzle front sleeve (6), the fixed water nozzle rear sleeve (8) and the steady flow adjusting sheet (9); the sealing rubber rings at the upper end and the lower end of the steady flow regulating sheet (9) are provided with baffle rings.
9. A bridge type concentric constant flow water distributor according to claim 1, wherein the water outlet (7) on the water distributor main body (5) is a crescent-shaped hole outside the water distributor main body (5), and the water distributor main body (5) and the positioning platform (2) are coaxially arranged.
10. A bridge type concentric constant flow water distributor according to claim 1, wherein the concentric movable cylinder (4) is provided with four adjusting grooves (4-4), and the upper and lower ends of the adjusting grooves (4-4) are respectively provided with a positive and a negative tripping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110179922.3A CN112855097A (en) | 2021-02-07 | 2021-02-07 | Bridge type concentric constant-current water distributor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110179922.3A CN112855097A (en) | 2021-02-07 | 2021-02-07 | Bridge type concentric constant-current water distributor |
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| CN112855097A true CN112855097A (en) | 2021-05-28 |
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| CN202110179922.3A Pending CN112855097A (en) | 2021-02-07 | 2021-02-07 | Bridge type concentric constant-current water distributor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431539A (en) * | 2021-07-05 | 2021-09-24 | 湖北茂思晟石油新技术开发有限公司 | Throwing-fishing type cableless concentric intelligent water distributor device |
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| CN110685652A (en) * | 2019-09-18 | 2020-01-14 | 中国石油天然气股份有限公司 | Concentric constant-current integrated water distributor and use method thereof |
| CN214944189U (en) * | 2021-02-07 | 2021-11-30 | 中国石油天然气股份有限公司 | Bridge type concentric constant flow water distributor |
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2021
- 2021-02-07 CN CN202110179922.3A patent/CN112855097A/en active Pending
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| CN103628847A (en) * | 2012-08-28 | 2014-03-12 | 中国石油天然气股份有限公司 | Bridge type integrated concentric water distributor |
| CN103670349A (en) * | 2012-09-07 | 2014-03-26 | 中国石油天然气股份有限公司 | Bridge type concentric intelligent testing and distributing layered injection device and technology |
| CN206707683U (en) * | 2017-05-17 | 2017-12-05 | 中国石油天然气股份有限公司 | Minor diameter concentric roater regulator |
| CN110685652A (en) * | 2019-09-18 | 2020-01-14 | 中国石油天然气股份有限公司 | Concentric constant-current integrated water distributor and use method thereof |
| CN214944189U (en) * | 2021-02-07 | 2021-11-30 | 中国石油天然气股份有限公司 | Bridge type concentric constant flow water distributor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431539A (en) * | 2021-07-05 | 2021-09-24 | 湖北茂思晟石油新技术开发有限公司 | Throwing-fishing type cableless concentric intelligent water distributor device |
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