CN104775798B - Full well quantitative injection device - Google Patents
Full well quantitative injection device Download PDFInfo
- Publication number
- CN104775798B CN104775798B CN201510166919.2A CN201510166919A CN104775798B CN 104775798 B CN104775798 B CN 104775798B CN 201510166919 A CN201510166919 A CN 201510166919A CN 104775798 B CN104775798 B CN 104775798B
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- guiding
- guiding valve
- valve body
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- 238000002347 injection Methods 0.000 title claims abstract description 36
- 239000007924 injection Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 230000008859 change Effects 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims description 14
- 210000004907 gland Anatomy 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000013011 mating Effects 0.000 claims description 6
- 230000037361 pathway Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
- Lift Valve (AREA)
Abstract
A kind of full well quantitative injection device.Mainly for solving the problems, such as during oil-field flooding often because pressure oscillation causes water injection rate unstable.It is characterized in that:Valve inner is hollow, accommodates valve pocket;Valve pocket is hollow cylindrical structure, top on the outside of the hollow cylinder has feed liquor water conservancy diversion annular groove with bottom and goes out liquid water conservancy diversion annular groove, a macropore is provided with feed liquor guiding gutter, feed liquor guiding gutter is made to connect with valve pocket endoporus, liquid outlet groove is circumferentially provided with several apertures, valve pocket endoporus is connected with liquid outlet groove;Sliding cavity of the valve pocket endoporus for guiding valve;Guiding valve is hollow multistage column structure, and outer surface upper end is minor diameter pilot face, forms gap with valve pocket endoporus, there is provided pilot gap, is provided with guiding gutter, groove and is radially provided with several pod apertures, guiding gutter is connected with guiding valve endoporus on pilot face;Connection traffic adjusting spool at the top of guiding valve.The aperture that this device can automatically adjust guiding valve for the change of injection pressure realizes full well quantitative injection control.
Description
Technical field
The present invention relates to a kind of quantitative injection device being applied in water injection well in oil fields.
Background technology
Water flooding practice have shown that, do well oil field quantitative injection be ensure oil field Sustainable high yield stable yields basis and
It is crucial.Reasonable selection water filling form of tubes and water-distributing tool, are primary conditions that all kinds of water injection wells realize quantitative injection.
At present, each oil field water filling by the way of a distribution pump controls many mouthfuls of oil well injections substantially, in the injecting process,
The operations such as well-flushing, flushing pipe, pipe well will often be carried out according to actual conditions Jing of each well, due to water consumption it is big and and very unstable
It is fixed, cause water filling pump pressure Jing ordinary waves to move, and stratum penetrating power can also produce fluctuation, this can all have influence on the injection rate of water injection well
Change, operator need to according to the change of water filling pump pressure and well injection rate number adjusting water injection rate.Can often cause
It was found that not in time, it may appear that surpass, short phenomenon, it is difficult to ensure the quantitative water distribution of well, the reasonable development in oil supply field brings unfavorable
Affect.Therefore, develop water filling quantitative control device, with ensure water injection rate pump pressure and pressure of well change when substantially constant be
It is very necessary.
As going deep into for oil field development, water injection technology improve constantly, water injection tool is also gradually improved, but as a whole,
To the control aspect with water injection rate, research is carried out deep not enough.Some research works are only studied to the form of water nozzle,
Double throttle water nozzle, spiral throttle water nozzle etc. are have developed, although these water nozzles can form larger pressure drop, but the well to good water absorption
Suitably limited with water injection rate, but fundamentally do not solved the problems, such as quantitative injection allocation.
The content of the invention
In order to solve the technical problem being previously mentioned in background technology, the present invention provides a kind of full well quantitative injection device, should
Plant quantitative injection apparatus structure simple, design ingenious, the quantitative injection of well under the conditions of pressure change can be realized.
The technical scheme is that:This kind of full well quantitative injection device, mainly including valve body, valve pocket, guiding valve and stream
Amount adjustment valve element, which is unique in that:
The valve body is hollow rectangular structure, and its left upper portion has a feed tube, and lower right side has a drain pipe;
The valve inner is hollow, valve pocket described in inner containment;Valve body Upper Upper is provided with tapped top screwed hole, to even
Gland is connect, gland is evenly distributed four by compressing the Fluid Sealing between the realization of the first O-ring seals and valve body, valve body lower portion
Individual screwed hole, to connect transparent cover;There is a shoulder between the endoporus of the valve body and the top screwed hole, be provided with shoulder and lead
Indent, so that the feed tube fluid pressure can be applied to the top of the guiding valve;
The valve pocket is hollow cylindrical structure, and which is arranged in valve body, by external cylindrical surface and the inner hole of valve body,
Feed liquor water conservancy diversion annular groove and inlet opening are provided with the top of the valve pocket, the inlet opening and feed liquor water conservancy diversion annular groove on valve pocket and valve body
Feed tube is connected, and valve pocket bottom is provided with out liquid water conservancy diversion annular groove, and the bottom for going out liquid water conservancy diversion annular groove has several to go out liquid aperture, goes out liquid and leads
Stream annular groove is connected with the drain pipe for going out liquid aperture and valve body lower right side;Sliding cavity of the valve pocket endoporus for guiding valve;
The guiding valve is the not isometrical hollow cylindrical structure of multistage, and installed in the inside of valve pocket, both pass through inside and outside cylinder
Face coordinates, and guiding valve can be moved up and down in valve pocket, and the guiding valve outer surface upper end is minor diameter pilot face, with the valve pocket endoporus
Form gap, there is provided pilot gap, be provided with the minor diameter pilot face in guiding gutter, groove and be radially provided with several water conservancy diversion
Hole, the guiding gutter are connected with the guiding valve endoporus;The guiding valve lower end is major diameter mating surface, is matched somebody with somebody with the valve pocket endoporus
Close, in mating surface, be provided with some compensating grooves;It is shoulder hole structure inside the guiding valve, is waterflood path, is provided with the top of guiding valve interior
Screw thread, connects the Flow-rate adjustment valve element, and the guiding valve bottom is shoulder hole, for laying and accommodating spring;
The guiding valve upper end external cylindrical surface diameter is less than lower end external cylindrical surface, external cylindrical surface and the valve body inner cylinder face of guiding valve
Between formed pilot passage, with realize by the fluid pressure of feed tube by pilot channeling on the guiding valve;In guiding valve
Top, is provided with four guiding valve inlets, and the guiding valve inlet is connected with the inlet opening on valve pocket, to realize that thus entrance carrys out liquid
Inlet flows into the guiding valve central passage;Some chutes are provided with the external cylindrical surface that guiding valve bottom is coordinated with valve pocket, to ensure
Guiding valve it is placed in the middle;
The Flow-rate adjustment valve element is threadedly attached on the guiding valve, its upper end be square aperture swing handle, its underpart
Valve head is adjusted for cylinder, realizes that flow is adjusted by the change for adjusting relative position between valve head and the guiding valve Inner guide hole
Section;It is threaded connection between guiding valve upper end and flow rate regulating valve core, rotates the square aperture at the top of the flow rate regulating valve core
Swing handle, the relative position between the flow rate regulating valve core top and guiding valve inlet change, so as to realize adjusting described
The aperture of guiding valve inlet, realizes Flow-rate adjustment;Spring is placed in the endoporus of guiding valve bottom, guiding valve is carried out spacing;Spring is placed
In spring pad, spring pad is coordinated with transparent cover end face;
Connected by hexagon-headed bolt between transparent cover and valve body, transparent cover is provided with the 2nd O shape rubber seal, and transparent cover passes through
2nd O shapes rubber seal is coordinated with valve body lower portion bore area, to realize the sealing between valve body and transparent cover;Spring adjusting lever
It is connected by screw thread with transparent cover, is coordinated by end face and be connected with spring pad, realizes adjusting the pretightning force of spring;Valve body top with
Gland is threaded connection, and valve body is provided with an O shape rubber seal, to realize the sealing of valve body and gland;
The injection water circulating pathway of this kind of water filling device is, via valve body upper left quarter feed tube, valve pocket top feed liquor water conservancy diversion
Annular groove and inlet opening, guiding valve inlet opening, the inner chamber of guiding valve, valve pocket fluid hole and valve pocket bottom go out liquid water conservancy diversion annular groove, finally by
The drain pipe of valve body right lower quadrant flows out.
The present invention has the advantages that:This kind of quantitative injection device mainly includes valve body, valve pocket, guiding valve and flow
Adjustment valve element.The valve body generally rectangular structure, the valve body left and right sides has valve inlet and valve outlet port respectively, in valve inner
Sky, inner containment valve pocket.The valve body top is provided with internal thread, and to install seal cover board, 4 screwed holes are arranged at bottom, to
Guiding valve is installed.The valve pocket is hollow cylindrical structure, and the top on the outside of the hollow cylinder has feed liquor with bottom and leads
Flow annular groove and go out liquid water conservancy diversion annular groove, wherein, it is provided with a macropore on feed liquor guiding gutter again, feed liquor guiding gutter is connected with valve pocket endoporus
Logical, liquid outlet groove is circumferentially provided with several apertures, valve pocket endoporus is connected with liquid outlet groove.Slip of the valve pocket endoporus for guiding valve
Chamber.The guiding valve is hollow multistage column structure, and outer surface upper end is minor diameter pilot face, forms gap with valve pocket endoporus, carries
For pilot gap, it is provided with pilot face in guiding gutter, groove and is radially provided with several pod apertures, guiding gutter is connected with guiding valve endoporus
It is logical.The guiding valve lower end is major diameter mating surface, with valve pocket inner hole, some compensating grooves is provided with mating surface.The guiding valve
Internal is shoulder hole structure, is waterflood path.Internal thread is provided with the top of guiding valve, connection traffic adjusting spool, bottom are shoulder hole,
Lay and accommodate spring.Flow-rate adjustment valve element is threadedly attached on guiding valve, and its upper end is square aperture swing handle, and bottom is circle
Cylindricality adjusts valve head, realizes Flow-rate adjustment by the change of relative position between valve head and guiding valve pod apertures.This device is arranged on
Wellhead of water injection well, while press water flows through piston chamber body, acts on two ends of guiding valve, and the effect of spring, makes cunning in addition
Valve is moved back and forth with the change of pressure, so as to change the area of passage between guiding valve and valve pocket liquid outlet, to reach flow holding
Necessarily.Also the pretightning force of spring can be adjusted simultaneously by spring adjusting lever, guiding valve inlet opening is adjusted by flow rate regulating valve core
Aperture, controls the adjustable range of the total pressure and flow of full well water filling.This full well quantitative injection apparatus structure is simple, and design is skilful
Wonderful, process is simple, it is not necessary to transform to existing water filling flow process, runoff investigation are flexible, while can realize automatically controlling, greatly
The labour intensity of workman is reduced greatly, with very big actual application value.
Description of the drawings:
Fig. 1 is longitudinal sectional structure chart of full well quantitative injection device;
Fig. 2 is outward appearance graphics of the present invention;
Fig. 3 is three-dimensional broken section Fig. 1 of the invention;
Fig. 4 is three-dimensional broken section Fig. 2 of the invention;
Fig. 5 is valve body structure schematic diagram of the present invention;
Fig. 6 is housing configuration schematic diagram of the present invention;
Fig. 7 is sliding valve structure schematic diagram of the present invention;
Fig. 8 is inventive flow adjustment valve core structure schematic diagram.
1- transparent covers in figure;2- spring adjusting levers;3- hexagon-headed bolts;The 2nd O shape rubber seal of 4-;5- valve bodies;6-
Three O shape rubber seal;7- spring pads;8- jump rings;9- valve pockets;10- guiding valves;11- flow rate regulating valve cores;The first O shape rubber of 12-
Sealing ring;13- glands;14- springs;15- straight pins;16- feed tubes;17- feed liquor guiding gutters;18- valve pocket fluid holes;19- is pressed
Lid removal hole;20- annular grooves;21- pilot passages;22- guiding valve inlet openings;23- chutes;24- drain pipes;25- valve pocket inlets;
26- goes out liquid water conservancy diversion annular groove;The square aperture knobs of 27-;28- pilot grooves.
Specific embodiment:
The invention will be further described below in conjunction with the accompanying drawings:
If Fig. 5 is with reference to shown in Fig. 1, Fig. 2, the valve body 5 is hollow rectangular structure, and its left upper portion has a feed tube
16, lower right side has a drain pipe 24, and 5 top of the valve body is provided with tapped top screwed hole, to connect gland
13, gland 13 is realized and the Fluid Sealing between valve body 5 by compressing O-ring seals 12,5 endoporus of valve body and the top screw thread
There is a shoulder between hole, on shoulder, be provided with pilot groove 28, so that feed tube fluid pressure can be applied to the top of guiding valve, valve body
5 bottoms are evenly distributed four screwed holes, to connect transparent cover 1.
If Fig. 6 is with reference to shown in Fig. 1, Fig. 3, the valve pocket 9 is hollow cylindrical structure, and which is arranged in valve body 5, by outer
The face of cylinder and 5 inner hole of valve body.9 top of the valve pocket is provided with feed liquor water conservancy diversion annular groove 17 and inlet opening 25, the feed liquor on valve pocket 9
Hole 25 and feed liquor water conservancy diversion annular groove 17 are connected with 5 feed tube of valve body, and 9 bottom of valve pocket is provided with out liquid water conservancy diversion annular groove 26, goes out liquid guide ring
26 bottom of groove it is multiple go out liquid aperture 18,9 bottom of valve pocket go out liquid water conservancy diversion annular groove 26 and it is multiple go out liquid aperture go out with 5 lower right side of valve body
Liquid pipe is connected.
If Fig. 7 is with reference to shown in Fig. 1, Fig. 3, the guiding valve 10 is the not isometrical hollow cylindrical structure of multistage, installed in valve pocket 9
Inside, both are coordinated by the inside and outside face of cylinder, and guiding valve 10 can be moved up and down in valve pocket 9.10 upper end external cylindrical surface of the guiding valve
Diameter is less than lower end external cylindrical surface, therefore, formed between this position, 9 inner cylinder face of external cylindrical surface and valve body of guiding valve 10 and led
Pressure passageway 21, the fluid pressure of feed tube 16 can be applied on guiding valve by pilot passage 21.On 10 top of guiding valve, four are provided with
Guiding valve inlet 25, which is connected with the inlet opening on valve pocket 9, and entrance carrys out liquid, and thus inlet flows into guiding valve central passage.Guiding valve
Some chutes 20 are provided with the external cylindrical surface that 10 bottoms and valve pocket 9 coordinate, it is ensured that guiding valve 10 it is placed in the middle, while having allowed to deposit on a small quantity
Sand.
As best shown in figs. 1 and 4,10 upper end of guiding valve is threaded connection with flow rate regulating valve core 11, rotation flow adjustment valve
Square aperture swing handle 27 at the top of core, the relative position between flow rate regulating valve core top and guiding valve inlet 25 change, can
The aperture of regulating slide valve inlet, realizes Flow-rate adjustment.Spring 14 is placed in 10 bottom endoporus of guiding valve, guiding valve 10 is limited
Position.Spring 14 is placed in spring pad 7, and spring pad 7 is coordinated with 1 end face of transparent cover.
The transparent cover 1 is connected by hexagon-headed bolt 3 with valve body 5, and transparent cover 1 is provided with O shapes rubber seal 4, and transparent cover 1 is led to
Cross sealing ring 4 to coordinate with 5 bottom bore area of valve body, realize the sealing of valve body 5 and transparent cover 1.The spring adjusting lever 2 and transparent cover
1 is connected by screw thread, is coordinated by end face and is connected with spring pad 8, the pretightning force of adjustable springs.5 top of valve body and gland 13
It is threaded connection, valve body 5 is provided with O shapes rubber seal 12, realizes the sealing of valve body 5 and gland 13.
Injection water sequentially passes through 5 upper left quarter feed tube of valve body, 9 top feed liquor water conservancy diversion annular groove 17 of valve pocket and inlet opening 25, sliding
10 inlet opening 22 of valve, 10 inner chamber of guiding valve, 9 valve pocket fluid hole 18 of valve pocket and 9 bottom of valve pocket go out liquid water conservancy diversion annular groove 26, finally by valve body
5 right lower quadrant drain pipes 24 flow out.
Brief description operation principle of the invention once:
If in 5 upper left quarter feed tube 16 of valve body pressure be P1,10 cavity pressure of guiding valve be P2,5 right lower quadrant drain pipe of valve body
24 pressure are P3.In the injecting process, guiding valve 10 is in pressure reduction(P1-P2)With under the collective effect of spring 14 be in poised state.
When P1 changes are big, pressure reduction(P1-P2)Increase, under differential pressure action, guiding valve 10 is moved down, between guiding valve 10 and valve pocket 9
Area of passage reduce.Now, guiding valve cavity pressure increases therewith, makes pressure reduction(P1-P2)Reduce, be eventually returned to firm with spring 14
The corresponding given pressure difference of degree.
When P1 becomes hour, pressure reduction(P1-P2)Reduce, spring 14 is promoted, the mistake between guiding valve 10 and valve pocket 9
Flow area increases.Now, guiding valve cavity pressure reduces therewith, makes pressure reduction(P1-P2)Increase, is eventually returned to and 14 rigidity phase of spring
Corresponding given pressure difference.It is held essentially constant so as to flow through the flow in quantitative injection device.
When P3 increases, pressure reduction(P2-P3)Reduce, spring 14 is promoted, the mistake between guiding valve 10 and valve pocket 9
Flow area increases.Now, guiding valve cavity pressure increases therewith, makes pressure reduction(P2-P3)Reduce, be eventually returned to and 14 rigidity phase of spring
Corresponding given pressure difference.
When P3 reduces, pressure reduction(P2-P3)Increase, pressure reduction promote guiding valve 10 to move down, the excessively stream between guiding valve 10 and valve pocket 9
Area reduces.Now, guiding valve cavity pressure reduces therewith, makes pressure reduction(P2-P3)Increase, is eventually returned to relative with 14 rigidity of spring
The given pressure difference answered.It is held essentially constant so as to flow through the flow in quantitative injection device.
Claims (1)
1. a kind of full well quantitative injection device, mainly including valve body(5), valve pocket(9), guiding valve(10)And flow rate regulating valve core
(11), it is characterised in that:
The valve body is hollow rectangular structure, and its left upper portion has a feed tube(16), lower right side has a drain pipe
(24);The valve inner is hollow, valve pocket described in inner containment;Valve body(5)Top is provided with tapped top screwed hole, uses
To connect gland(13), gland(13)By compressing the first O-ring seals(12)Realize and valve body(5)Between Fluid Sealing,
Valve body(5)Bottom is evenly distributed four screwed holes, to connect transparent cover(1);The endoporus of the valve body and the top screw thread
There is a shoulder between hole, on shoulder, be provided with pilot groove(28), so that the feed tube fluid pressure can be applied to the guiding valve
Top;
The valve pocket is hollow cylindrical structure, and which is arranged on valve body(5)It is interior, by external cylindrical surface and valve body(5)Endoporus match somebody with somebody
Close, feed liquor water conservancy diversion annular groove is provided with the top of the valve pocket(17)And inlet opening(25), valve pocket(9)On inlet opening(25)With enter
Liquid water conservancy diversion annular groove(17)With valve body(5)Feed tube connection, valve pocket(9)Bottom is provided with out liquid water conservancy diversion annular groove(26), go out liquid water conservancy diversion
Annular groove(26)Bottom have several to go out liquid aperture(18), go out liquid water conservancy diversion annular groove(26)With go out liquid aperture(18)And valve body(5)
The drain pipe connection of lower right side;Sliding cavity of the valve pocket endoporus for guiding valve;
The guiding valve is the not isometrical hollow cylindrical structure of multistage, installed in valve pocket(9)Inside, both pass through the inside and outside face of cylinder
Coordinate, guiding valve(10)Can be in valve pocket(9)Inside move up and down, the guiding valve outer surface upper end is minor diameter pilot face, with the valve
Set endoporus forms gap, there is provided pilot gap, is provided with guiding gutter, groove and is radially provided with several on the minor diameter pilot face
Pod apertures, the guiding gutter are connected with the guiding valve endoporus;The guiding valve lower end is major diameter mating surface, with the valve pocket endoporus
Coordinate, in mating surface, be provided with some compensating grooves;It is shoulder hole structure inside the guiding valve, is waterflood path, is provided with the top of guiding valve
Internal thread, connects the Flow-rate adjustment valve element, and the guiding valve bottom is shoulder hole, for laying and accommodating spring(14);
The guiding valve upper end external cylindrical surface diameter is less than lower end external cylindrical surface, guiding valve(10)External cylindrical surface and valve body(9)Inner circle
Pilot passage is formed between cylinder(21), to realize feed tube(16)Fluid pressure pass through pilot passage(21)It is applied to described
On guiding valve;In guiding valve(10)Top, be provided with four guiding valve inlets(25), the guiding valve inlet and valve pocket(9)On enter
Fluid apertures is connected, to realize that entrance carrys out the liquid thus inlet inflow guiding valve central passage;Guiding valve(10)Bottom and valve pocket(9)Match somebody with somebody
Some chutes are provided with the external cylindrical surface of conjunction(20), to ensure guiding valve(10)It is placed in the middle;
The Flow-rate adjustment valve element is threadedly attached on the guiding valve, and its upper end is square aperture swing handle(27), its underpart
Valve head is adjusted for cylinder, realizes that flow is adjusted by the change for adjusting relative position between valve head and the guiding valve Inner guide hole
Section;Guiding valve(10)Upper end and flow rate regulating valve core(11)Between be threaded connection, rotate at the top of the flow rate regulating valve core
Square aperture swing handle(27), the flow rate regulating valve core top and guiding valve inlet(25)Between relative position change,
So as to realize adjusting the aperture of the guiding valve inlet, Flow-rate adjustment is realized;Guiding valve(10)Spring is placed in the endoporus of bottom(14),
To guiding valve(10)Carry out spacing;Spring(14)It is placed on spring pad(7)It is interior, spring pad(7)With transparent cover(1)End face coordinates;
Transparent cover(1)With valve body(5)Between pass through hexagon-headed bolt(3)Connection, transparent cover(1)It is provided with the 2nd O shape rubber seal
(4), transparent cover(1)By the 2nd O shape rubber seal(4)With valve body(5)Bottom bore area coordinates, to realize valve body(5)With
Transparent cover(1)Between sealing;Spring adjusting lever(2)With transparent cover(1)It is connected by screw thread, is coordinated by end face and spring pad(8)
It is connected, to realize adjusting spring(14)Pretightning force;Valve body(5)Top and gland(13)It is threaded connection, valve body(5)On set
There is an O shape rubber seal(12), to realize valve body(5)And gland(13)Sealing;
The injection water circulating pathway of this kind of water filling device is, via valve body(5)Upper left quarter feed tube, valve pocket(9)Top feed liquor is led
Stream annular groove(17)And inlet opening(25), guiding valve inlet opening(22), guiding valve(10)Inner chamber, valve pocket fluid hole(18)And valve pocket(9)
Bottom goes out liquid water conservancy diversion annular groove(26), finally by valve body(5)The drain pipe of right lower quadrant(24)Flow out.
Priority Applications (1)
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CN201510166919.2A CN104775798B (en) | 2015-04-10 | 2015-04-10 | Full well quantitative injection device |
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CN201510166919.2A CN104775798B (en) | 2015-04-10 | 2015-04-10 | Full well quantitative injection device |
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CN104775798A CN104775798A (en) | 2015-07-15 |
CN104775798B true CN104775798B (en) | 2017-04-05 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110953361B (en) * | 2019-12-27 | 2022-07-22 | 一汽解放汽车有限公司 | Rotary flow control valve |
CN114518296B (en) * | 2022-01-17 | 2022-10-25 | 浙江尤科斯纺织科技股份有限公司 | Impact resistance test device for impact-resistant cylindrical hollow wiredrawing cloth and use method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001055550A1 (en) * | 2000-01-27 | 2001-08-02 | Kvaerner Oilfields Products, Inc. | Crossover tree system |
CN203050619U (en) * | 2013-02-27 | 2013-07-10 | 大庆高盛石油科技有限公司 | Intelligent high-pressure adjusting valve of wellhead |
CN203584390U (en) * | 2013-06-27 | 2014-05-07 | 赵焕仁 | Visual intelligent constant-current self-control device |
CN204532301U (en) * | 2015-04-10 | 2015-08-05 | 东北石油大学 | Full well quantitative injection device |
-
2015
- 2015-04-10 CN CN201510166919.2A patent/CN104775798B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001055550A1 (en) * | 2000-01-27 | 2001-08-02 | Kvaerner Oilfields Products, Inc. | Crossover tree system |
CN203050619U (en) * | 2013-02-27 | 2013-07-10 | 大庆高盛石油科技有限公司 | Intelligent high-pressure adjusting valve of wellhead |
CN203584390U (en) * | 2013-06-27 | 2014-05-07 | 赵焕仁 | Visual intelligent constant-current self-control device |
CN204532301U (en) * | 2015-04-10 | 2015-08-05 | 东北石油大学 | Full well quantitative injection device |
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