CN104121398B - Flow matching device suitable for material conveying of multiple branch pipelines - Google Patents
Flow matching device suitable for material conveying of multiple branch pipelines Download PDFInfo
- Publication number
- CN104121398B CN104121398B CN201410333428.8A CN201410333428A CN104121398B CN 104121398 B CN104121398 B CN 104121398B CN 201410333428 A CN201410333428 A CN 201410333428A CN 104121398 B CN104121398 B CN 104121398B
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- Prior art keywords
- pressure
- cavity
- regulating part
- rod
- butt tube
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a flow matching device suitable for material conveying of multiple branch pipelines. In the device, a regulating part includes a rod body and a double-round-end key arranged on the rod body; in the radial direction of a butt-joint pipe, the butt-joint pipe is connected with the regulating part in a sealed mode, and the regulating part moves in the radial direction of the butt-joint pipe; the two ends of the rod body both extend to the outside of a chamber of the butt-joint pipe, and one end of the rod body is sequentially connected with a spring and a regulating handle; the outer wall of the butt-joint pipe and an end cap form a cavity, the other end of the rod body extends into the cavity and is connected with a pressure-sensing diaphragm arranged in the cavity, the portion, at the other end of the pressure-sensing diaphragm, of the cavity is communicated with a pressure feedback pipe, and the other end of the pressure feedback pipe is communicated with the butt-joint pipe. By means of acting force input to the pressure-sensing diaphragm through the pressure feedback pipe and reverse acting force of the spring, the flow areas of the pipelines are automatically adjusted, pressure behind the flow matching device is controlled to be in a reasonable range, so that pressure in front of a pump and pressure behind the pump approach target values, and flow matching of users is achieved.
Description
Technical field
The present invention relates to a kind of flow matches device being applied to the conveying of multiple-limb pipeline material, belong to automatic control technology
Field.
Background technology
Although each user's transport model is identical (conveys pump type, diameter of conveying pipe in multiple-limb pipeline material conveying process
And throughput rate is identical), but still the flow in each pipeline after pump occurs is not quite similar, it is not former on an equal basis that this is primarily due to pipeline frictional resistance
Because leading to pressure before the pump of each branch line different, and then affect supply customer flow and be difficult to mate.For solving this problem, at present
Generally with method be to realize automatization's feedback regulation of flow matches using electromagnetic valve.Although the method can reach flow
The purpose of coupling, but there is also following weak point.
Electromagnetic valve reaction type adjusts that sensitivity is often higher, and the pressure of each branch line or flowed fluctuation all can cause whole
The regulation repeatedly of each electromagnetic valve of individual Material pipeline road system, is extremely difficult to static equilibrium;And electromagnetism valve events are excessively frequent,
Its service life can be reduced.In addition, be difficult to manual regulation when needing using electromagnetism valve regulation, and electromagnetic valve cost is relatively
High.
Accordingly, it is desirable to provide a kind of low cost, high efficiency, the customer flow coalignment that can flexibly adjust manually.
Content of the invention
It is an object of the invention to provide a kind of flow matches device being applied to the conveying of multiple-limb pipeline material, during use,
This flow matches device is arranged on pipeline before pump, is capable of supplying each customer flow and matches with actual demand.
The flow matches device being applied to the conveying of multiple-limb pipeline material provided by the present invention, including butt tube, regulation
Part, pressure-sensitive diaphragm, pressure feedback pipe, regulation handle and spring;
Described regulating part includes a body of rod and the double round end keies being arranged on the described body of rod;
Along described butt tube radially, described butt tube is tightly connected described regulating part, and described regulating part can edge
The moving radially of described butt tube;The two ends of the described body of rod all extend to outside the cavity of described butt tube;
One end of the described body of rod is sequentially connected described spring and regulation handle;
The outer wall of described butt tube becomes a cavity with one end cap-shaped, and the other end edge of the described body of rod extends in described cavity
And be connected with the described pressure-sensitive diaphragm being arranged in described cavity, the cavity of the other end of described pressure-sensitive diaphragm and described pressure
Feedback pipe is connected, and the other end of described pressure feedback pipe is connected with described butt tube.
Above-mentioned flow matches device, the described body of rod is cube shape, the thickness of the thickness of the described body of rod and described pair of round end key
Degree is equal, and above-mentioned setting is convenient for the realization of end face seal, thus being prevented effectively from fluid leakage to cause flow matches device
Lost efficacy;
The described body of rod is cylindrical, and described tubular diameter is equal with the thickness of described pair of round end key, above-mentioned sets
Put the realization being convenient for end face seal, meanwhile, the described body of rod is arranged to cylindrical, also allow for close using standards such as o type circles
Sealing is realizing circumferential seal, cost-effective.
Above-mentioned flow matches device, is provided with regulating part guide block between the described body of rod and described spring, facilitate described spring
Cooperation and the described body of rod between, and can effectively guide the movement of the described body of rod, prevent the described body of rod movement from shifting and
Have a negative impact.
Above-mentioned flow matches device, one end of described end cap connects a tee T, and described pressure feedback Gutron is excessively described
Tee T is connected with described cavity, and described pressure feedback pipe is used for the pressure after feedback pump, after acting on described pressure-sensitive diaphragm
To adjust the moving direction of described regulating part, to reach the purpose adjusting pipeline circulation area size.
Above-mentioned flow matches device, described regulating part is tightly connected with described butt tube by sealing member, specifically can lead to
Cross edge face sealing member and lip ring is connected and sealed.
Above-mentioned flow matches device, described pressure-sensitive diaphragm specifically can adopt rubber corrugated film.
Above-mentioned flow matches device, described regulation handle can be regulating bolt or valve handle.
Inventive flow coalignment, feeds back, by pressure-sensitive, the anti-work that pipe is input to the active force on pressure-sensitive diaphragm and spring
Firmly interact to realize automatically adjusting the size of pipeline circulation area, thus after controlling flow matches device (before pump) pressure
Power reaches zone of reasonableness so that pressure convergence desired value before pump, after pump, and then realizes the coupling of customer flow.Inventive flow
Coalignment top is simultaneously provided with regulation handle, realizes the purpose of the manual regulation of flow matches device when necessary.
Brief description
Fig. 1 is the profile of inventive flow coalignment.
Fig. 2 is the relation schematic diagram that in inventive flow coalignment, regulating part is coordinated with butt tube.
Schematic diagram when Fig. 3 uses for inventive flow coalignment.
The each labelling of in figure is as follows:
1 regulation handle, 2 springs, 3 butt tubes, 4 edge face sealing members, 5 end caps, 6 pressure-sensitive diaphragms, 7 tee Ts, 8 pressure feedback
Pipe, 9 regulating parts, 10 lip rings, 11 regulating part guide blocks.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but the invention is not limited in following examples.
As shown in figure 1, the flow matches device being applied to the conveying of multiple-limb pipeline material providing for the present invention, it includes
Butt tube 3, regulating part 9, pressure-sensitive diaphragm 6, pressure feedback pipe 8, regulation handle 1 and spring 2.This regulating part 9 includes a body of rod
(in figure is not marked) and the double round end keies (in figure is not marked) being arranged on this body of rod, wherein this body of rod be cylindrical, its diameter with
The thickness of double round end keies is equal.As shown in Fig. 2 along butt tube 3 radially, butt tube 3 is tightly connected above-mentioned regulating part 9,
And this regulating part 9 can moving radially along butt tube 3.Regulating part 9 enters particular by edge face sealing member 4 and lip ring 10
Row sealing.The two ends of the body of rod all extend to outside the cavity of butt tube 3, and its one end is sequentially connected regulating part guide block 11, spring 2 and adjusts
Section handle 1;The outer wall of butt tube 3 and end cap 5 form cavity (in figure is not marked), and the other end edge of the body of rod extends in above-mentioned cavity
And be connected with the pressure-sensitive diaphragm 6 being arranged in this cavity, the cavity of the other end of pressure-sensitive diaphragm 6 is connected with pressure feedback pipe 8
Logical, the other end of this pressure feedback pipe 8 is connected with butt tube 3, to realize the perception to the pressure in butt tube 3 and feedback.
In the present invention, a tee T 7 is arranged on end cap 5, pressure feedback pipe 8 is connected through tee T 7 with butt tube 3.
In the flow matches device of the present invention, pressure-sensitive diaphragm 6 specifically can be using rubber corrugated film or other pressure-sensitive material.
In the flow matches device of the present invention, described regulation handle can be the form such as regulating bolt or valve handle.
During using inventive flow coalignment, by inventive flow coalignment according to being connected to multi-user shown in Fig. 3
In pipeline Material pipeline road.After installation, inventive flow coalignment can adjust pump before pressure to target area, enter
And the coupling realizing flow is adjusted, specific operation process is as follows:
This flow matches device is attached to before the booster pump of each branch line, when (flow before a certain branch line pump
Equipped postpone) reduced pressure when, the active force on pressure-sensitive diaphragm 6 is acted on by pressure feedback pipe 8 and also reduces therewith, now,
Active force on pressure-sensitive diaphragm 6 is less than spring 2 counteracting force set in advance, and spring 2 promotes regulating part guide block 11 to drive and adjusts
Part 9 moves to the direction of pressure-sensitive diaphragm 6, and the double round end keies on regulating part 9 are reduced with the overlapping area in butt tube 3 tube chamber section,
The circulation area of butt tube 3 tube chamber becomes big, and flow resistance diminishes, the pressure release backward of the pressure before flow matches device, and flow increases, thus
After making flow matches device, (before pump) pressure constantly increases, until the active force of pressure-sensitive diaphragm 6 is equal with the counteracting force of spring 2
Till weighing apparatus, after final flow rate coalignment, (before pump) pressure increases to desired value.
In the same manner, when after flow matches device, pressure increases, direction of action is contrary to the above.
When self-checking device occur adjusting deviation or accordingly slow when, also can be adjusted manually by regulation handle 1,
To control to adjust the movement of part 9, to change the circulation area of butt tube 3 tube chamber, realize the coupling of flow.During practical application, can root
Screen the diameter of pressure-sensitive diaphragm and thickness according to concrete operating mode to determine the reasonable stroke of regulating part 9.
Claims (1)
1. a kind of be applied to multiple-limb pipeline material conveying flow matches device it is characterised in that: described flow matches device
Including butt tube, regulating part, pressure-sensitive diaphragm, pressure feedback pipe, regulation handle and spring;
Described regulating part includes a body of rod and the double round end keies being arranged on the described body of rod;
The described body of rod is cylindrical, and described tubular diameter is equal with the thickness of described pair of round end key;
Along described butt tube radially, described butt tube is tightly connected described regulating part, described regulating part passes through sealing member
It is tightly connected with described butt tube, and described regulating part can moving radially along described butt tube;The two ends of the described body of rod are all prolonged
Extend outside the cavity of described butt tube;
One end of the described body of rod is sequentially connected described spring and regulation handle, and described regulation handle is regulating bolt or valve handle;
It is provided with regulating part guide block between the described body of rod and described spring;
The outer wall of described butt tube becomes a cavity with one end cap-shaped, the other end of the described body of rod along extend in described cavity and with
The described pressure-sensitive diaphragm being arranged in described cavity is connected, the cavity of the other end of described pressure-sensitive diaphragm and described pressure feedback
Pipe is connected, and the other end of described pressure feedback pipe is connected with described butt tube;
Described pressure-sensitive diaphragm is rubber corrugated film;
One end of described end cap connects a tee T, and the excessively described tee T of described pressure feedback Gutron is connected with described cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410333428.8A CN104121398B (en) | 2014-07-14 | 2014-07-14 | Flow matching device suitable for material conveying of multiple branch pipelines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410333428.8A CN104121398B (en) | 2014-07-14 | 2014-07-14 | Flow matching device suitable for material conveying of multiple branch pipelines |
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Publication Number | Publication Date |
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CN104121398A CN104121398A (en) | 2014-10-29 |
CN104121398B true CN104121398B (en) | 2017-01-18 |
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CN201410333428.8A Active CN104121398B (en) | 2014-07-14 | 2014-07-14 | Flow matching device suitable for material conveying of multiple branch pipelines |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109025971B (en) * | 2018-04-28 | 2022-02-01 | 中国石油天然气股份有限公司 | Drilling pressure detection device and diaphragm stress mechanism thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200979003Y (en) * | 2006-12-13 | 2007-11-21 | 马景岗 | Self-operated adjustable differential pressure valve |
CN101225897A (en) * | 2007-01-20 | 2008-07-23 | 马莉 | Aid blowing valve for pneumatic handling opening and closing automatically |
CN202327281U (en) * | 2011-11-15 | 2012-07-11 | 浙江迎日阀门制造有限公司 | Membrane type pressure reducing valve |
CN203963169U (en) * | 2014-07-14 | 2014-11-26 | 中国海洋石油总公司 | A kind of flow matches device that is applicable to multiple-limb pipeline mass transport |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4832363B2 (en) * | 2007-06-05 | 2011-12-07 | 株式会社コガネイ | Pressure reducing valve |
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2014
- 2014-07-14 CN CN201410333428.8A patent/CN104121398B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200979003Y (en) * | 2006-12-13 | 2007-11-21 | 马景岗 | Self-operated adjustable differential pressure valve |
CN101225897A (en) * | 2007-01-20 | 2008-07-23 | 马莉 | Aid blowing valve for pneumatic handling opening and closing automatically |
CN202327281U (en) * | 2011-11-15 | 2012-07-11 | 浙江迎日阀门制造有限公司 | Membrane type pressure reducing valve |
CN203963169U (en) * | 2014-07-14 | 2014-11-26 | 中国海洋石油总公司 | A kind of flow matches device that is applicable to multiple-limb pipeline mass transport |
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CN104121398A (en) | 2014-10-29 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |
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