CN109107790A - A kind of dual cavity valve adjusting cyclone separator split ratio - Google Patents
A kind of dual cavity valve adjusting cyclone separator split ratio Download PDFInfo
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- CN109107790A CN109107790A CN201811224612.3A CN201811224612A CN109107790A CN 109107790 A CN109107790 A CN 109107790A CN 201811224612 A CN201811224612 A CN 201811224612A CN 109107790 A CN109107790 A CN 109107790A
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- inner core
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- gear
- cone section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
- B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
- B04C5/15—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations with swinging flaps or revolving sluices; Sluices; Check-valves
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- Mechanically-Actuated Valves (AREA)
- Sliding Valves (AREA)
Abstract
A kind of dual cavity valve adjusting cyclone separator split ratio.For solving in conventional cyclonic separation technique, the split ratio problem that accurately quickly adjustment is difficult, regulated efficiency is low.Including upper end cavity, middle chamber and lower end cavity three parts, the upper end cavity includes sequentially connected upper end outlet flange, upper end outlet straight pipe, upper end curved cone section, upper end cavity straight pipe, upper end straight line cone section, upper end entrance straight pipe and upper end inlet flange；The lower end cavity includes sequentially connected lower end outlet(discharge) flange, lower end outlet straight pipe, lower end curved cone section, lower end cavity straight pipe, lower end straight line cone section, lower inlet straight pipe and lower inlet flange；Middle chamber is between upper end cavity and lower end cavity, including gear housing, gear, handle and connecting shaft, and gear is located inside gear housing, and gear and connecting shaft and handle are in rigid connection.
Description
Technical field
The present invention relates to a kind of dual cavity valves of adjustable cyclone separator split ratio, belong to petroleum, chemical industry, environmental protection
Etc. being related to the ancillary equipment in multiphase cyclonic separation field.
Background technique
Cyclonic separation is a kind of fast separating process to two-phase or multiphase immiscible medium, due to cyclone separator equipment
The advantages that small in size, quick separating, it is widely used in the immiscible medium such as oil exploitation, chemical industry, food processing, environmental protection
Separation field.The separation principle of cyclone separator is centrifuged using the density contrast between immiscible medium.Eddy flow point
Belong to non-standard equipment from device, needs to be designed cyclone separator arrangement and dimensional parameters based on the physical parameter of entrance treatment fluid.
When obtaining entrance treatment fluid physical parameter and cyclone separator optimum structure and dimensional parameters, in order to reach optimal rotation
Flow separation efficiency, field operator are usually adjusted the operating parameter of cyclone, and operating parameter is mainly including overflow point
Stream passes through than (ratio of excess flow and entrance total flow) and underflow split ratio (ratio of underflow flow and entrance total flow)
The swirl strength and dispersed phase for operating above the adjustment of parameter to optimize cyclone separator internal flow are between overflow and underflow
Content distribution, to obtain best overflow split ratio or the underflow split ratio under highest cyclonic separation efficiency.
During the adjustment of practical split ratio, often by adjusting being respectively arranged in cyclone inlet pipeline, overflow outlet
Valve opening on road and underflow outlet pipeline adjusts the flow on each pipeline, and the flowmeter being accordingly installed on each pipeline is aobvious
Flow number is shown, so that the overflow split ratio and underflow split ratio of cyclone separator be calculated, is realized to overflow split ratio
With the adjusting of underflow split ratio (described below to be referred to as split ratio or flow-rate ratio).But in practical split ratio adjustment process,
While by valve regulated excess flow (the underflow flow) installed on pipeline, since there are the changes of area of passage in pipeline
Resistance caused by changing changes, this will influence entrance processing flow quantity and underflow flow (excess flow) size simultaneously, asks above
The appearance of topic will make field operator more difficult to the accurate adjustment of split ratio, generally require to open the valve on each pipeline
Degree carries out adjustment repeatedly and the calculating to split ratio progress repeatedly, in addition, cyclone separator is in the process of running, inlet
Reason liquid physical parameter be not it is unalterable, entrance treatment fluid physical parameter in different time periods usually there is some difference,
This just needs to adjust to obtain optimal split ratio split ratio repeatedly, to realize optimal separative efficiency.It is right above
The adjustment of split ratio will devote a tremendous amount of time and and need operations staff greatly patient, and the Adjusting accuracy of split ratio compared with
Difference is unfavorable for the operation of long-term efficient stable and larger range of popularization and application of cyclone separator.
Summary of the invention
In order to solve the technical problems mentioned in the background art, the present invention provides a kind of adjustable cyclone separator point
The dual cavity valve for flowing ratio solves the split ratio occurred in traditional cyclone separator operational process and accurately quickly adjusts and is more stranded
Problem difficult, split ratio regulated efficiency is low, realization, can be quick in the variation of cyclone separator entrance treatment fluid physical parameter
Split ratio is adjusted, to obtain optimal split ratio, cyclone separator is made to remain higher separative efficiency.Subtract simultaneously
The installation of education and correction for juvenile offenders road flowmeter reduces vortex separation system cost.
The technical scheme is that the dual cavity valve of this kind of adjusting cyclone separator split ratio, including upper end cavity,
Middle chamber and lower end cavity, it is characterised in that:
The upper end cavity include sequentially connected upper end outlet flange 1, upper end outlet straight pipe 2, upper end curved cone section 3, on
Hold cavity straight pipe 6, upper end straight line cone section 7, upper end entrance straight pipe 8 and upper end inlet flange 9；Upper end inner core 4 is located at upper
The inside cavity that end curved cone section 3 and upper end cavity straight pipe 6 collectively constitute, wherein upper end inner core 4 is used in face of a left side for incoming flow
End is conical structure, and the right end of upper end inner core 4 is double frustum structures that diameter increases；Upper end inner core 4, upper end inner core connecting plate 5,
The mobile diaphragm seal 11 in upper end and upper end rack gear 12 are in rigid connection；The mobile diaphragm seal 11 in upper end is located in upper end sealing structure 10
Portion；
The lower end cavity include sequentially connected lower end outlet(discharge) flange 24, lower end outlet straight pipe 23, lower end curved cone section 22,
Lower end cavity straight pipe 19, lower end straight line bore section 18, lower inlet straight pipe 17 and lower inlet flange 16；Lower end inner core 20
The inside cavity collectively constituted positioned at lower end curved cone section 22 and lower end cavity straight pipe 19, lower end inner core 20 are used in face of incoming flow
Left end use conical structure, 20 right end of lower end inner core use diameter increase double frustum structures；Lower end inner core 20, lower end inner core
Connecting plate 21, the mobile diaphragm seal 26 in lower end and lower end rack gear 27 are in rigid connection；The mobile diaphragm seal 26 in lower end is located at lower end sealing
The inside of structure 25；
The middle chamber is between upper end cavity and lower end cavity, including gear housing 15, gear 13, handle 14 and connection
Axis 28, middle gear 13 are located inside gear housing 15, and gear 13 and connecting shaft 28 and handle 14 are in rigid connection；
When rotating clockwise handle 14, handle 14 drives connecting shaft 28 and rotates clockwise with it in rigidly connected gear 13,
Gear 13 rotates clockwise the upper end rack gear 12 for being engaged drive with it, upper end mobile diaphragm seal 11, upper end inner core connecting plate 5
And upper end inner core 4 axially along the pipe move to the right by direction, to reduce 4 right end frustum of upper end inner core and upper end curved cone section 3
Between fluid area of passage；Gear 13 rotates clockwise the lower end rack gear 27 for being engaged drive with it, the mobile sealing in lower end
Direction is moved to the left axially along the pipe for piece 26, lower end inner core connecting plate 21 and lower end inner core 20, to increase lower end inner core
Fluid area of passage between 20 right end frustums and lower end curved cone section 22.
The invention has the following beneficial effects:
1. realizing the assignment of traffic fast and efficiently adjusted between two bursts of liquid streams.It solves to shunt in conventional cyclonic separation technique
Than the accurate problem that quickly adjustment is more difficult, split ratio regulated efficiency is low.
2. two strands of total area of passages of liquid stream remain unchanged while adjusting two bursts of liquid flow ratios, makes to change and flow
During amount ratio, the variation of total resistance is smaller between two bursts of liquid streams, and entrance incoming flow total flow is kept constant.
3. can be reduced in conventional cyclonic separation technique after the fluid flow under pair different rotatable handle angles is demarcated
The flowmeter being installed on overflow outlet conduit and underflow outlet pipeline, reduce vortex separation system space occupied and reduce at
This.
Detailed description of the invention:
Fig. 1 is a kind of dual cavity valve vertical section structure schematic diagram (the upper and lower chamber of adjusting cyclone separator split ratio of the invention
Under the flow same case of room).
Fig. 2 is valve vertical section structure schematic diagram (limiting case when upper chamber area of passage is zero).
Fig. 3 is side view of the present invention.
Fig. 4 is that valve upper end inner core and corresponding connection rack gear structure three-dimensional figure (lower end inner core and accordingly connect rack structure
It is identical as upper end).
Fig. 5 is overall structure three-dimensional figure of the invention.
Fig. 6 is the specific size relationship figure of valve, and note: this figure is since each structure size of valve upper and lower end is identical, only
Provide upper end formation size.
1- upper end outlet flange in figure, 2- upper end outlet straight pipe, the upper end 3- curved cone section, the upper end 4- inner core, the upper end 5-
Inner core connecting plate, the upper end 6- cavity straight pipe, the upper end 7- straight line cone section, the upper end entrance straight pipe of 8-, the upper end 9- inlet flange,
The upper end 10- sealing structure, the mobile diaphragm seal in the upper end 11-, the upper end 12- rack gear, 13- gear, 14- rotating handle, 15- gear hub
Body, 16- lower inlet flange, 17- lower inlet straight pipe, the lower end 18- straight line bore section, the lower end 19- cavity straight pipe, under 20-
End inner core, the lower end 21- inner core connecting plate, the lower end 22- curved cone section, the lower end 23- outlet straight pipe, the lower end 24- outlet(discharge) flange,
The lower end 25- sealing structure, the mobile diaphragm seal in the lower end 26-, the lower end 27- rack gear, 28- connecting shaft, 29- boss.
Specific embodiment:
The present invention will be further explained below with reference to the attached drawings:
The present invention is mainly made of upper end cavity, middle chamber and lower end cavity three parts.Upper end cavity is respectively by upper end outlet
Flange 1, upper end outlet straight pipe 2, upper end curved cone section 3, upper end cavity straight pipe 6, it is straight that upper end straight line bores section 7, upper end entrance
Pipeline section 8 and upper end inlet flange 9 are sequentially connected with composition；Upper end inner core 4 is located at upper end curved cone section 3 and upper end cavity straight pipe 6
The inside cavity collectively constituted.Upper end inner core 4 in face of the left end of incoming flow use conical structure, avoid to the full extent incoming flow with it is upper
The hard collision for holding inner core 4 plays the role of reducing resistance.Double frustum structures that inner core 4 right end in upper end uses diameter to increase,
Adjusting area of passage is played the role of in the variation of position, to adjust flow；Upper end inner core 4, upper end inner core connecting plate 5, upper end
Mobile diaphragm seal 11 and upper end rack gear 12 are in rigid connection；The mobile diaphragm seal 11 in upper end is located inside upper end sealing structure 10, rises
To the sealing function to upper end fluid.Likewise, lower end cavity exports straight pipe 23 by lower end outlet(discharge) flange 24, lower end respectively,
Lower end curved cone section 22, lower end cavity straight pipe 19, lower end straight line bore section 18, lower inlet straight pipe 17 and lower inlet flange
16 are sequentially connected with composition；In the cavity that lower end inner core 20 is located at lower end curved cone section 22 and lower end cavity straight pipe 19 collectively constitutes
Portion.Lower end inner core 20 uses conical structure in face of the left end of incoming flow, and incoming flow and the hardness of upper end inner core 4 is avoided to touch to the full extent
It hits, plays the role of reducing resistance.Double frustum structures that inner core 20 right end in lower end uses diameter to increase, the variation of position are played
Area of passage is adjusted, to adjust the effect of flow；Lower end inner core 20, lower end inner core connecting plate 21, the mobile diaphragm seal 26 in lower end
And lower end rack gear 27 is in rigid connection；The mobile diaphragm seal 26 in lower end is located inside lower end sealing structure 25, plays to lower end fluid
Sealing function.Middle chamber by gear housing 15, gear 13, handle 14 and connects between upper end cavity and lower end cavity
Spindle 28 forms, and middle gear 13 is located inside gear housing 15, and gear 13 and connecting shaft 28 and handle 14 are in rigid connection.
When upper and lower end flow-rate ratio is equal, i.e., upper and lower end liquid stream area of passage is equal, and upper end inner core 4 and lower end inner core 20 are along water at this time
Square to position it is identical, schematic diagram when upper and lower end flow-rate ratio phase is given in Fig. 1.To reduce upper chamber flow
Increasing lower end chamber flow simultaneously, invention is further explained, rotates clockwise handle 14, and handle 14 drives connecting shaft
It 28 and rotates clockwise with it in rigidly connected gear 13, rotating clockwise for gear 13 will drive the upper end tooth being engaged with it
Direction is moved to the right axially along the pipe for item 12, the mobile diaphragm seal 11 in upper end, upper end inner core connecting plate 5 and upper end inner core 4, from
And reduce the fluid area of passage between 4 right end frustum of upper end inner core and upper end curved cone section 3, to reach reduction upper chamber
The purpose of flow.Meanwhile rotating clockwise for gear 13 will drive the mobile diaphragm seal of the lower end rack gear 27 being engaged with it, lower end
26, direction is moved to the left axially along the pipe for lower end inner core connecting plate 21 and lower end inner core 20, to increase lower end inner core 20
Fluid area of passage between right end frustum and lower end curved cone section 22, to achieve the purpose that increase lower end chamber flow.Together
Reason can be realized if increasing upper chamber flow reduces lower end chamber flow simultaneously by regulation handle 14 counterclockwise.
Fig. 6 gives the main size relationship of valve.The inner wall of upper end curved cone section 3 and lower end curved cone section 22 is by mother
Line y=f(x) it rotates around x axis to be formed, wherein f (x)=x1/2(coordinate origin is located on the axis of outlet straight pipe), at this time curve
Upper arbitrary point rotated around x-axis to be formed perpendicular to x-axis area of section be π × f (x)2.Fig. 1 gives the present invention upper and lower
Each locations of structures under chamber flow same case, at this point, maximum gauge at the right end frustum of upper end inner core 4 and lower end inner core 20
Place section is located at upper end curved cone section 3 and lower end curved cone section 22 in axial direction medium position.Assuming that the position with
Distance is e between coordinate origin, then the indoor fluid area of passage of upper and lower end chamber is π e- π d2/ 4(wherein π d2/ 4 is right for inner core
Area at end cone platform maximum gauge), then total area of passage is the sum of indoor fluid area of passage of upper and lower end chamber, as 2 π
E- π d2/2.When rotating handle 14, since upper end inner core 4 and lower end inner core 20 change in the indoor position of chamber, make,
Chamber indoor fluid area of passage in lower end also changes.(Fig. 2, which gives, to be rotated clockwise for rotating clockwise handle 14
When handle 14, limiting case when upper chamber area of passage is zero and lower end chamber area of passage reaches maximum value), it is assumed that rotation
It changes hands handle 14 to drive upper end inner core 4 in axial direction moving distance is L to the right, lower end inner core 20 is in axial direction to the left at this time
Side moving distance is also L, then the area of passage of fluid becomes π (e-L)-π d in upper chamber2/ 4, lower end chamber fluid inside
Area of passage become π (e+L)-π d2/ 4, area of passage total at this time be the indoor fluid area of passage of upper and lower end chamber it
Be similarly 2 π e-π d2/2.Therefore, the inner wall bus of upper end curved cone section 3 and lower end curved cone section 22 of the present invention uses f
(x)= x1/2When, the total fluid area of passage kept constant in different upper and lower end flow-rate ratios, maximum journey may be implemented
The influence due to adjustment upper and lower end flow-rate ratio to overall resistance is reduced on degree, is conducive to keep different upper and lower end flow-rate ratio situations
Under upper and lower end total flow it is constant.
Specific size relationship is (to carry out size by taking the upper chamber under upper and lower end chamber flow same case as an example in Fig. 6
Illustrate):
Upper end curved cone segment length is b；Upper end inner core right end frustum maximum gauge is d；Upper end outlet inside diameter of straight pipe section is d1；
Vertical section where the inner core right end frustum maximum gauge of upper end is c away from upper end curved cone section left end distance1；Upper end inner core right end cone
Vertical section where platform maximum gauge is c away from upper end curved cone section right end distance2.Upper end connecting plate in the sealing structure of upper end to
The maximum moving distance in left side is a1；Maximum moving distance of the upper end connecting plate in the sealing structure of upper end to the right is a2；Upper end
Maximum moving distance of the mobile diaphragm seal in the sealing structure of upper end to the left is f1；The mobile diaphragm seal in upper end is sealed in upper end to be tied
Maximum moving distance in structure to the right is f2；Maximum moving distance of the upper end rack gear in the sealing structure of upper end to the left is h1；
Maximum moving distance of the upper end rack gear in the sealing structure of upper end to the right is h2；Wherein d=d1, c1=c2=b/2, a1=a2, f1=f2,
h1=h2, c1=a1=f1=h1, the bus equation of upper end curved cone section inner wall is f (x)=x1/2(coordinate origin is located at outlet straight tube
On the axis of section).
Claims (1)
1. a kind of dual cavity valve for adjusting cyclone separator split ratio, including upper end cavity, middle chamber and lower end cavity,
It is characterized in that:
The upper end cavity includes sequentially connected upper end outlet flange (1), upper end outlet straight pipe (2), upper end curved cone section
(3), upper end cavity straight pipe (6), upper end straight line cone section (7), upper end entrance straight pipe (8) and upper end inlet flange (9)；On
The inside cavity that end inner core (4) is located at upper end curved cone section (3) and upper end cavity straight pipe (6) collectively constitutes, wherein in upper end
Core (4) is used to be conical structure in face of the left end of incoming flow, and the right end of upper end inner core (4) is double frustum structures that diameter increases；On
Holding inner core (4), upper end inner core connecting plate (5), upper end mobile diaphragm seal (11) and upper end rack gear (12) is in rigid connection；Upper end is moved
It is internal that dynamic sealing piece (11) is located at upper end sealing structure (10)；
The lower end cavity includes sequentially connected lower end outlet(discharge) flange (24), lower end outlet straight pipe (23), lower end curved cone
Section (22), lower end cavity straight pipe (19), lower end straight line bore section (18), lower inlet straight pipe (17) and lower inlet flange
(16)；The inside cavity that lower end inner core (20) is located at lower end curved cone section (22) and lower end cavity straight pipe (19) collectively constitutes,
Lower end inner core (20) is used to use conical structure, the bipyramid that inner core (20) right end in lower end uses diameter to increase in face of the left end of incoming flow
Platform structure；Lower end inner core (20), lower end inner core connecting plate (21), lower end mobile diaphragm seal (26) and lower end rack gear (27) are in rigidity
Connection；Lower end mobile diaphragm seal (26) is located at the inside of lower end sealing structure (25)；
The middle chamber is between upper end cavity and lower end cavity, including gear housing (15), gear (13), handle (14)
With connecting shaft (28), middle gear (13) is located at gear housing (15) inside, and gear (13) and connecting shaft (28) and handle
(14) in rigid connection；
When rotating clockwise handle (14), handle (14) drives connecting shaft (28) and is in rigidly connected gear (13) up time with it
Needle rotation, gear (13) rotate clockwise will drive be engaged with it upper end rack gear (12), upper end move diaphragm seal (11), on
End inner core connecting plate (5) and upper end inner core (4) move in direction to the right axially along the pipe, to reduce upper end inner core (4) right end
Fluid area of passage between frustum and upper end curved cone section (3)；The rotating clockwise to drive of gear (13) is engaged with it
Lower end rack gear (27), lower end mobile diaphragm seal (26), lower end inner core connecting plate (21) and lower end inner core (20) are axially along the pipe
Direction is moved to the left, to increase the fluid flow-passing surface between lower end inner core (20) right end frustum and lower end curved cone section (22)
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811224612.3A CN109107790B (en) | 2018-10-19 | 2018-10-19 | Double-chamber valve for adjusting flow division ratio of cyclone separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811224612.3A CN109107790B (en) | 2018-10-19 | 2018-10-19 | Double-chamber valve for adjusting flow division ratio of cyclone separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109107790A true CN109107790A (en) | 2019-01-01 |
| CN109107790B CN109107790B (en) | 2020-08-25 |
Family
ID=64854201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811224612.3A Active CN109107790B (en) | 2018-10-19 | 2018-10-19 | Double-chamber valve for adjusting flow division ratio of cyclone separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109107790B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791869A (en) * | 2020-12-30 | 2021-05-14 | 东北石油大学 | Automatic throughput type flow division ratio self-adjusting hydraulic cyclone separation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109107790B (en) | 2020-08-25 |
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