CN209621769U - A kind of novel rectifying device - Google Patents
A kind of novel rectifying device Download PDFInfo
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- CN209621769U CN209621769U CN201920105639.4U CN201920105639U CN209621769U CN 209621769 U CN209621769 U CN 209621769U CN 201920105639 U CN201920105639 U CN 201920105639U CN 209621769 U CN209621769 U CN 209621769U
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- pressing plate
- cowling panel
- pipe
- right pressing
- inner cavity
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Abstract
The utility model discloses a kind of novel rectifying devices.Fairing includes the pipeline between left and right pressing plate and left and right pressing plate, is connected between the left and right pressing plate end face outside pipeline by threaded rod, and water flow moves to right pressing plate from left pressing plate along pipeline；Inner cavity of pipe between the pressing plate of left and right is divided into muti-piece area of space by cowling panel isolation, and cowling panel is in tilted layout；Inner cavity of pipe can be fitted with two pieces of parallel front and back cowling panels, in the case that medium routine work state is in quickly flowing in ducts upstream is equipped with space-elbow and manages, cowling panel after inner cavity of pipe is fitted with one piece, preceding cowling panel and rear cowling panel offer one with the scarce round through slot cut and multiple orifice regions.The utility model can select replaceable cowling panel according to different operating conditions, and structure is simple, convenient disassembly, realize incoming flow rectified action, the scope of application includes part stream and full-section pipe-flow, reaches identical flow regime in stable region (reaching abundant state of development) pipeline section, is widely used.
Description
Technical field
The utility model relates to a kind of water pipe fairings, more particularly, to a kind of novel rectifying device.
Background technique
With the development of economy, as valve and flowmeter more important in field of fluid machinery in pipeline
It acts on more and more significant.Valve and flowmeter are often used cooperatively, they rise in national economy, national defense construction and scientific research
Indispensable role is arrived.With the development of Chinese national economy, more stringent requirements are proposed for control and measurement to fluid,
Either in quality and function, bigger raising is required.
But along with the development of the electronic technology such as computer, digitlization measurement, flowmeter correlative study is mainly concentrated
In terms of the instrument such as differential pressure transmitter and other subsequent data processings, record, and the problem before flow measuring element, but make
It thoroughly solves the problems, such as far away and is left behind for one.Before often occurring in current pipeline installation engineering because of flowmeter
This practical problem for holding long straight pipe deficiency that measurement error is caused to increase, the fields such as petrochemical industry, nuclear power are actively corresponding
Solution.
With the development of petrochemical industry, this problem of the precision of the installation of flowmeter involved in pipeline is ten hundreds of, flowmeter
Measurement accuracy it is accurate whether drastically influence the metering and safety of entire pipeline.It is whole but when doing corresponding Research experiment
Installation, the disassembly trouble of device are flowed, and causes the waste of resource, therefore studies the interchangeable rectification of one kind to be particularly important.
Utility model content
In order to reduce the mounting distance between valve and flowmeter, measurement accuracy is improved, the utility model proposes one kind
Novel rectifying device, it is full-section pipe-flow that part stream, which is adjusted, by different cowling panel combinations, meets different work requirements, simultaneously
It acts between valve and flowmeter, the unstable incoming flow of valve is integrated into the precision that stationary flow improves flowmeter.
The technical solution adopted in the utility model is:
The utility model uses following fairing, and fairing includes left pressing plate and right pressing plate and left pressing plate and right pressure
Pipeline between plate is connected between the left pressing plate and right pressing plate end face outside pipeline by threaded rod, so that pipe ends are by left pressure
Plate and right pressing plate compress, and water flow moves to right pressing plate from left pressing plate along pipeline；Inner cavity of pipe between left pressing plate and right pressing plate is logical
The isolation of over commutation plate is divided into muti-piece area of space, and cowling panel is in tilted layout；The medium in ducts upstream is equipped with choke fitting and manages
In the case that routine work state is in quickly flowing, inner cavity of pipe is fitted with two pieces of parallel preceding cowling panels and rear cowling panel,
Inner cavity of pipe is isolated from left pressing plate to right pressing plate and is divided into generating region, commutating zone and stable region；And according to front choke fitting class
Type matches different commutator segment combinations, and by taking gate valve as an example, when working aperture below 30 percent, cowling panel uses four points
One of pipe diameter height baffle；When working aperture between 40 30 percent to percent, cowling panel uses eight
The baffle of/tri- pipe diameter height；When working aperture between 50 40 percent to percent, cowling panel is used
The baffle of half pipe diameter height.
In the case that medium routine work state is in quickly flowing in ducts upstream is equipped with space-elbow and manages, pipeline
Inner cavity of pipe is isolated from left pressing plate to right pressing plate and is divided into commutating zone and stable region by cowling panel after inner cavity is fitted with one piece；It is described
Preceding cowling panel and rear cowling panel offer one with lacking the round through slot cut and multiple orifice regions；With the scarce circle cut
Shape through slot is provided with cowling panel top, is four points with the height for lacking the round through slot cut for the round equipped with knife incised notch mouth
Three pipe diameters, 5/8ths pipe diameters, half pipe diameter so that formed three kinds of different types of cowling panels,
Respectively correspond the baffle for a quarter pipe diameter height, the baffle of 3/8ths pipe diameter height, half pipeline
The baffle of caliber height；That is the baffle of a quarter pipe diameter height refers to the height with the scarce round through slot cut of cowling panel
The pipe diameter of Zhan Si/tri- is spent, the baffle of 3/8ths pipe diameter height refers to the logical with the scarce circle cut of cowling panel
The height of slot accounts for 5/8ths pipe diameter, and the baffle of half pipe diameter height refers to cutting with lacking for cowling panel
The height of round through slot accounts for the pipe diameter of half.Orifice region is provided with cowling panel lower part, and the aperture of orifice region is straight
Diameter changes adjustment according to different operating conditions, including aperture circular diameter 2mm, 4mm and 6mm, specifically: when pipe diameter DN40 with
Under, using 2 millimeters of profiled orifice plates；When pipe diameter is between DN40-DN65, using 4 millimeters of profiled orifice plates；When pipe diameter exists
Between DN65-DN150, using 6 millimeters of profiled orifice plates.
The choke fitting includes but is not limited to valve, restricting orifice, convergent nozzle etc..
The selection with the scarce round through slot cut and multiple orifice regions of two pieces of cowling panels can be identical, can also not
Together.
The pipeline wall surface of the cowling panel upper and lower side is equipped with positioning pin, and positioning pin is for installing limit positioning cowling panel
Position, have the function of anti-skidding positioning.
The generating region and commutating zone lower part is equipped with left positioning pin, and right positioning is installed on commutating zone and stable region top
Pin.
The left pressing plate and right pressing plate flanged joint with both ends respectively is tightened by flange so that threaded rod is fixed connects
Connect left pressing plate and right pressing plate.
The preceding cowling panel and rear cowling panel are replaceable.
The cowling panel with conduit axis in 45 degree of angles to arrange.
The utility model has the beneficial effect that
The utility model can reduce mounting distance, improve required precision, and replaceable cowling panel is adapted to different operating conditions,
It is suitble to kinds of experiments occasion.
The different aperture modes and altitude combination of replaceable cowling panel, switching mono-/bis-rectification plate mode are applicable in a variety of
Occasion has important research meaning to research full-section pipe-flow, non-stationary flow etc..
The utility model structure is simple, convenient for experiment dismounting, while can avoid the waste of resource again with save the cost.
The utility model can meet the needs of a variety of full-section pipe-flows, non-stationary flow experimental study, according to different operating conditions, can adjust
Section replacement cowling panel reaches time saving, saving of labor and save the cost.
Detailed description of the invention
Fig. 1 is the double cowling panel two-dimensional representations of the utility model fairing；
Fig. 2 is the utility model fairing list cowling panel two-dimensional representation；
Fig. 3 is the double cowling panel schematic three dimensional views of the utility model fairing；
Fig. 4 is single cowling panel schematic three dimensional views of fairing；
Fig. 5 is the half-sectional schematic three dimensional views of the double cowling panels of the utility model fairing；
Fig. 6 is the half-sectional schematic three dimensional views of the utility model fairing list cowling panel；
Fig. 7 is cowling panel schematic three dimensional views.
In figure: 1, left pressing plate, 2, nut, 3. threaded rods, 4. right positioning pins, 5, stable region, 6, rear cowling panel, 7, right pressure
Plate, 8, commutating zone, 9, left positioning pin, 10, preceding cowling panel, 11, generating region.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the utility model specific implementation includes left pressing plate 1 and right pressing plate 7 and left pressing plate 1 and the right side
Pipeline between pressing plate 7 is connected between 7 end face of left pressing plate 1 and right pressing plate outside pipeline by threaded rod 3, so that pipe ends
It is compressed by left pressing plate 1 and right pressing plate 7, left pressing plate 1 and right pressing plate 7 are connect with the flange 2 at both ends respectively, and being tightened by flange 2 makes
It obtains threaded rod 3 and is fixedly connected with left pressing plate 1 and right pressing plate 7.
Water flow moves to right pressing plate 7 from left pressing plate 1 along pipeline, and the inner cavity of pipe between left pressing plate 1 and right pressing plate 7 passes through whole
The isolation of flowing plate 6,10 is divided into muti-piece area of space, and cowling panel 6,10 with conduit axis in 45 degree of overturning angles to arrange, and cowling panel
6,10 tops are tilted towards water flow direction of advance.
In specific implementation, stable region 5 is removed, replaceable preceding cowling panel 10 is only installed；Or generating region 11 is removed, only
Cowling panel 6 after installation is replaceable.According to different operating conditions and site requirement can further shortening device length 11 He of generating region
Commutating zone 8, which merges, forms single rectification panel assembly for work.
As shown in Fig. 1, Fig. 3 and Fig. 5, medium routine work state is in height in ducts upstream is equipped with choke fitting and manages
In the case where speed flowing, i.e. 1 upstream of left pressing plate, using double cowling panel forms.Inner cavity of pipe is fitted with two pieces of parallel preceding rectifications
Inner cavity of pipe is isolated from left pressing plate 1 to right pressing plate 7 and is divided into generating region 11, commutating zone 8 and stable region by plate 10 and rear cowling panel 6
5。
As shown in figs. 2,4 and 6, medium routine work state is in height in ducts upstream is equipped with space-elbow and manages
In the case where speed flowing, i.e. 1 upstream of left pressing plate, using single cowling panel form.Cowling panel 6 after inner cavity of pipe is fitted with one piece, will
Inner cavity of pipe is isolated from left pressing plate 1 to right pressing plate 7 and is divided into commutating zone 8 and stable region 5.
Cowling panel 6,10 upper and lower sides pipeline wall surface positioning pin 4,9 is installed, positioning pin 4,9 is whole for installing limit positioning
The position of flowing plate 6,10, has the function of anti-skidding positioning.Generating region 11 and 8 lower part of commutating zone are equipped with left positioning pin 9, commutating zone
8 and 5 top of stable region right positioning pin 4 is installed.
As shown in fig. 7, preceding cowling panel 10 and rear cowling panel 6 offer one with lacking the round through slot cut and multiple small
Hole is the round equipped with knife incised notch mouth with the round through slot cut is lacked, hole diameter according to and design and change, including aperture is round
Diameter 2mm, 4mm and 6mm, with lack the height of round through slot cut be 1/8th caliber height, a quarter caliber height,
Half caliber height forms different type cowling panel.
It is each to have the aperture there are three types of different-diameter with the scarce round through slot cut, it is consequently formed attached nine kinds shown in Fig. 7
Cowling panel structure.
Specific embodiment of the utility model is as follows:
When fluid from left pressing plate 1 enter device, by install various combination replaceable preceding cowling panel and rear cowling panel come
Different flow working mediums and flow regime are adapted to, thus adapts to different operating conditions.
Embodiment 1
Pipe diameter is DN30, and medium routine work state is in high velocity stream in ducts upstream is equipped with choke fitting and manages
In the case where dynamic, inner cavity of pipe is fitted with two pieces of parallel preceding cowling panels 10 and rear cowling panel 6, by inner cavity of pipe from left pressing plate 1
It is divided into generating region 11, commutating zone 8 and stable region 5 to the isolation of right pressing plate 7.
Preceding cowling panel 10 and rear cowling panel 6 offer one with the scarce round through slot cut and multiple orifice regions；It is whole
Flowing plate uses the baffle of a quarter pipe diameter height, is 3/4ths pipeline pipes with the height for lacking the round through slot cut
Diameter, using 2 millimeters of profiled orifice plates.
Embodiment 2
Pipe diameter is DN50, and medium routine work state is in high velocity stream in ducts upstream is equipped with choke fitting and manages
In the case where dynamic, inner cavity of pipe is fitted with two pieces of parallel preceding cowling panels 10 and rear cowling panel 6, by inner cavity of pipe from left pressing plate 1
It is divided into generating region 11, commutating zone 8 and stable region 5 to the isolation of right pressing plate 7.
Preceding cowling panel 10 offers one with the scarce round through slot cut and multiple orifice regions；Cowling panel using four/
The baffle of one pipe diameter height is 3/4ths pipe diameters with the height for lacking the round through slot cut, using 2 millimeters of type holes
Plate.
Cowling panel 6 offers one with the scarce round through slot cut and multiple orifice regions afterwards；Cowling panel using two/
The baffle of one pipe diameter height is 3/4ths pipe diameters with the height for lacking the round through slot cut, using 4 millimeters of type holes
Plate.
Embodiment 3
Pipe diameter is DN100, and medium routine work state is in high speed in ducts upstream is equipped with space-elbow and manages
In the case where flowing, inner cavity of pipe is isolated from left pressing plate 1 to right pressing plate 7 and is divided by cowling panel 6 after inner cavity of pipe is fitted with one piece
Commutating zone 8 and stable region 5.
Cowling panel 6 offers one with the scarce round through slot cut and multiple orifice regions afterwards；Cowling panel using eight/
The baffle of three pipe diameter height is 5/8ths pipe diameters with the height for lacking the round through slot cut, using 6 millimeters of type holes
Plate.
It, can be by double rectifications when can satisfy measurement accuracy requirement by scene apolegamy check and there is mounting distance requirement
Plate mode (such as Fig. 1) is converted to single rectification plate mode (such as Fig. 2)
It can be seen that the inadequate bring measurement error problem of mounting distance can be solved perfectly in the utility model, as one
Kind novel rectifying device, not only saves experimentation cost, while facilitating experimental implementation.To flow through valve rear portion shunt, non-stationary flow
Dynamic research has significant theory innovation and technological progress.
Claims (6)
1. a kind of novel rectifying device, it is characterised in that: fairing includes left pressing plate (1) and right pressing plate (7) and left pressing plate
(1) pipeline between right pressing plate (7), between the left pressing plate (1) and right pressing plate (7) end face outside pipeline even by threaded rod (3)
It connects, water flow moves to right pressing plate (7) from left pressing plate (1) along pipeline；Inner cavity of pipe between left pressing plate (1) and right pressing plate (7) is logical
Over commutation plate (6,10) isolation is divided into muti-piece area of space, and cowling panel (6,10) is in tilted layout；Throttle pipe is equipped in ducts upstream
In the case that medium routine work state is in quickly flowing in part and pipe, inner cavity of pipe is fitted with two pieces of preceding cowling panels in parallel
(10) and rear cowling panel (6), inner cavity of pipe is isolated from left pressing plate (1) to right pressing plate (7) and is divided into generating region (11), commutating zone
(8) and stable region (5)；And when working aperture below 30 percent, cowling panel uses a quarter pipe diameter height
Baffle；When working aperture between 40 30 percent to percent, cowling panel is high using 3/8ths pipe diameters
The baffle of degree；When working aperture between 50 40 percent to percent, cowling panel uses half pipe diameter
The baffle of height；In the case that medium routine work state is in quickly flowing in ducts upstream is equipped with space-elbow and manages,
Inner cavity of pipe is isolated from left pressing plate (1) to right pressing plate (7) and is divided into commutating zone by cowling panel (6) after inner cavity of pipe is fitted with one piece
(8) and stable region (5).
2. a kind of novel rectifying device according to claim 1, it is characterised in that:
The preceding cowling panel (10) and rear cowling panel (6) offers one with the scarce round through slot and multiple small porose areas cut
Domain；It is provided with cowling panel top with the round through slot cut is lacked, for the round equipped with knife incised notch mouth, is led to the circle cut is lacked
The height of slot is 3/4ths pipe diameters, 5/8ths pipe diameters, half pipe diameter, so that forming three kinds of differences
The cowling panel of type, respectively correspond the baffle for a quarter pipe diameter height, 3/8ths pipe diameter height baffle,
The baffle of half pipe diameter height；Orifice region is provided with cowling panel lower part, and the hole diameter of orifice region is not according to
Change adjustment, including aperture circular diameter 2mm, 4mm and 6mm with operating condition, specifically: when pipe diameter in DN40 hereinafter, using 2
Millimeter profiled orifice plate；When pipe diameter is between DN40-DN65, using 4 millimeters of profiled orifice plates；When pipe diameter DN65-DN150 it
Between, using 6 millimeters of profiled orifice plates.
3. a kind of novel rectifying device according to claim 1, it is characterised in that:
The pipeline wall surface of described cowling panel (the 6,10) upper and lower side is equipped with positioning pin (4,9).
4. a kind of novel rectifying device according to claim 1, it is characterised in that:
The generating region (11) and commutating zone (8) lower part is equipped with left positioning pin (9), commutating zone (8) and stable region (5) top
Right positioning pin (4) are installed.
5. a kind of novel rectifying device according to claim 1, it is characterised in that:
The left pressing plate (1) and right pressing plate (7) is connect with the flange at both ends (2) respectively, is tightened by flange (2) so that screw thread
Bar (3) is fixedly connected with left pressing plate (1) and right pressing plate (7).
6. a kind of novel rectifying device according to claim 1, it is characterised in that:
The cowling panel (6,10) with conduit axis in 45 degree of angles to arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920105639.4U CN209621769U (en) | 2019-01-22 | 2019-01-22 | A kind of novel rectifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920105639.4U CN209621769U (en) | 2019-01-22 | 2019-01-22 | A kind of novel rectifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621769U true CN209621769U (en) | 2019-11-12 |
Family
ID=68451024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920105639.4U Active CN209621769U (en) | 2019-01-22 | 2019-01-22 | A kind of novel rectifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209621769U (en) |
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2019
- 2019-01-22 CN CN201920105639.4U patent/CN209621769U/en active Active
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