CN85104758A - The system that keeps liquid height in the centrifugal separator - Google Patents
The system that keeps liquid height in the centrifugal separator Download PDFInfo
- Publication number
- CN85104758A CN85104758A CN85104758.0A CN85104758A CN85104758A CN 85104758 A CN85104758 A CN 85104758A CN 85104758 A CN85104758 A CN 85104758A CN 85104758 A CN85104758 A CN 85104758A
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- liquid
- driving shaft
- rotating cylinder
- passage
- container
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Abstract
For the valve in the rotating cylinder that makes the centrifugal separator that is supported by vertical drive shaft (13) is subjected to certain fluid pressure, when rotating cylinder work, remain on the liquid level that forms in the central passage of the above-mentioned driving shaft of perforation (13) very near rotating drum shaft.In the bottom of driving shaft, passage (12) is axially by having the aperture (31) of periphery on the desired radial height of liquid level.Rotate in the liquid that is filled in the container of the lower part of driving shaft below being placed on driving shaft (13).
Description
The liquid level that the present invention relates in the rotating cylinder of centrifugal separator to keep liquid on radial height very near rotating drum shaft, so that the method and apparatus of the fluid pressure that the valve in the rotating cylinder is scheduled to.Rotating cylinder is supported by vertical driving shaft.
The centrifugal separator rotating cylinder has the openable outlet of batch (-type), and in its rotating cylinder of being everlasting an axially movable annular guiding valve is installed.To open or to close these outlets, in this respect, guiding valve is remained on the liquid in the rotating cylinder cavity in its course of work hydraulic pressure drives the direction to closure, and in common rotating cylinder design, guiding valve forms movably wall between the separation chamber of rotating cylinder and above-mentioned cavity.This cavity usually is referred to as closed housing.The liquid that is added in the closed housing then often is referred to as closed liquid.
Remain on the liquid in the closed housing, promptly closed liquid has a liquid level when rotating cylinder rotates, and liquid level is in the face of rotating drum shaft, and the distance axle has certain distance.The size of this distance acts on fluid pressure on the above-mentioned guiding valve to closed liquid, has action value.Therefore, reduce distance and mean that raising acts on the fluid pressure on the guiding valve.
Guiding valve acts on fluid pressure on the guiding valve by closed liquid and must overcome the liquid that is in the rotating cylinder separation chamber fluid pressure, so that can make above-mentioned outlet and separation chamber disconnect to guiding valve.Under certain conditions, because the liquid in the separation chamber is a kind of liquid heavier than water, and water normally is used as closed liquid, therefore wishes the liquid level in the closed housing is remained near the rotating drum shaft.From other viewpoint, also be to wish so sometimes.
Closed liquid generally is added to closed housing via feeding fixed-piping rotating cylinder, that be parallel to the rotating cylinder driving shaft, and axle here communicates with cannelure.This cannelure is radially inwardly opened towards the axis direction of rotating drum shaft, and outwards is communicated with closed housing.Supplying with the position of the liquid level that is formed by the adhering liquid body in the groove at closed housing and this, will depend on such fact, must be that fixing service leaves the position separating between rotating cylinder driving shaft and the liquid surface promptly.
In the time will in closed housing, obtaining, the another kind of known arrangement of supplying with closed liquid is arranged than the also high fluid pressure of said apparatus.In view of the above, closed housing passage direct and in the rotating cylinder driving shaft communicates, and the bottom of axle equally also is connected with the A/C that is used for supplying with the closed liquid with pressure via mechanically-sealing apparatus.Because this scheme can realize than the closed liquid of supplying with by the fluting at rotating cylinder center more much higher pressure being arranged in closed cavity.
But the mechanically-sealing apparatus between the A/C of rotating cylinder driving shaft and supply closed liquid or the sealing device of other type are flimsy, because these sealing devices may wear and tear and necessary the replacing.Under certain conditions, as seperator peculiar to vessel.This phenomenon is very inconvenient, must avoid it.In addition, consider the possibility that provides closed liquid to arrive rotating cylinder under super-atmospheric pressure, such scheme is still well-adapted sometimes.In many cases, as long as be that the free surface of the liquid in the closed housing is than provide closed liquid just to be enough to satisfy the demand more near rotating drum shaft by rotating cylinder split shed groove.
The just described requirement that the objective of the invention is to put into effect is not adopted mechanically-sealing apparatus and is provided the liquid level that remains resident in liquid in the rotating cylinder to be in close proximity to the new method of rotating drum shaft on radial height.
In the rotating cylinder course of work, known to passage in itself produce liquid surface, liquid level in axial direction extends, by above-mentioned driving shaft to rotating cylinder.In the bottom of driving shaft.Above-mentioned passage per os axially connects an aperture.On the radial height that requires, aperture has its periphery.The bottom of driving shaft is placed in the container institute holding liquid under the driving shaft and is rotated.Can realize the method for the invention described above like this.
Like this, in the rotating cylinder driving shaft, can keep a cylindrical liquid level.Do not allow the liquid warp-wise to move forward in the edge of the above-mentioned access portal of form in the container, and liquid level rest on desired height, as long as the driving shaft end keeps the words of rotation in liquid.Therefore, in the rotating cylinder rotary course, allow liquid to flow to passage, in driving shaft, formed cylindrical liquid level and radially move to inwards till the height at above-mentioned edge.After this, the height of cylindrical liquid level remains on identical edge in the driving shaft.
The present invention also relates to operate the device of said method, optimum implementation of the present invention will be described with reference to the accompanying drawings below.In Fig. 1, show the axial section of centrifugal separator rotating cylinder lower part and be positioned at liquid container below the rotating cylinder.Fig. 2 shows the container among Fig. 1 and the section of rotating cylinder driving shaft bottom.Fig. 3 shows along the cross section of Fig. 2 III-III line.
The centrifugal basket of Fig. 1 is made up of two parts 1 and 2, and these two parts are axially linked together by lock ring 3.In rotating cylinder, formed separation chamber 4.One group of conical separation discs 5 is installed in it, and separator disk 5 relies on the lower part of the distributor 6 of dispense liquid, and external rotating cylinder center extends the different piece of separation chamber 4 equably.
In Fig. 1, what the formation separation chamber went to the bottom can just lean against on the rotating cylinder 1 with part with its ring by axially movable guiding valve 7, and thus, separation chamber 4 is cut off with the ditch defaecation of some outlet arounds 8 of formation in rotating cylinder part 2.
Between guiding valve 7 and rotating cylinder lower part 2, form a cavity 9, be used for containing so-called hydraulic fluid, be generally water.Cavity 9 is communicated with the passage 12 that is formed centrally in axle 13 by slit 10 and 11.Axle 13 is rigidly connected with rotating cylinder part 2, and constitutes the rotating cylinder driving shaft, provides drive unit (not drawing in the drawings) with driving shaft 13.In addition, driving shaft 13 has been coupled with axle journal.Do not draw in the drawings.
On the periphery of rotating cylinder lower part 2, the outlet of some axially extending bores 14 as the hydraulic fluid that flows out from cavity 9 arranged.In the outside of rotating cylinder body, hole 14 is covered by one axially movable, so-called work guiding valve 16 entrained closing assemblies 15.Work guiding valve 16 by with gripper shoe 18 that the rotating cylinder partially rigid is connected between some helical springs 17, be driven to closing assembly 15 to the closed position.
The position, radially bosom of work guiding valve 16 and the passage 19 that rotating cylinder part 2 has been formed an additional hydraulic fluid on the lower part wall of the cannelure 21 that radially opens wide inwards, have many openings 20, and it is the central inlet of cavity 19.Cavity 19 has one or several outlet 22 on its radial outer wall.The size of inlet 20 and outlet 22 is selected like this, and with when rotating cylinder is worked, the liquid that flows into cavity 19 is more than the liquid that spills out.
Groove 21 is supplied with liquid in the annular feeding assembly 23 batch (-type) ground that are connected to conduit 24.
Rotating cylinder driving shaft 13 extends downwardly in the opening container 25 up.Container 25 has the supply pipe 26 and the fluid drainage pipe 27 of liquid.The upper end of excretory duct 27 forms the overflow outlet of liquid in container.Make and in container, to keep certain liquid height.In order to reduce the rotation of liquid in the container 25 that rotating cylinder driving shaft 13 causes, some dividing plates 28 and 29 have been installed in container.The additional dividing plate of same purpose can be provided in container 25 in every way.
In Fig. 2, show the container 25 that does not have aforementioned barriers and pipeline but fill liquid, little triangle indicates the height of liquid.In addition, show the bottom of rotating cylinder driving shaft 13.
As can seeing among Fig. 2 and Fig. 3.In the passage 12 of driving shaft, conveying blade 30 is housed.Passage 12 axially opens wide towards container 25 by centre bore 31, and the diameter of centre bore 31 is less than the diameter of passage 12.Blade 30 has slit 32 at the place, opposite of aperture 31.
Said apparatus is worked by following mode.
When making driving shaft 13 rotations, in its passage 12, will form columniform liquid level.Therefore, liquid will upwards flow along the wall of passage 12, flow to cavity 9 in the rotating cylinder via opening 11 and 10 then.In this step, new liquid is by hole 31 flow channels 12.When cavity 9 is full of liquid, the liquid by hole 31 will stop to flow.And the cylindrical liquid surface in passage 12 will be positioned on the radial height at 31 edges, hole.This that is in close proximity to rotating drum shaft radially liquid level will determine dominant fluid pressure in the cavity 9, and except other effect, this pressure produces the bottom of a shutting at guiding valve 7.
The above-mentioned power of guiding valve bottom surface that acts on is greater than liquid effects rightabout power on guiding valve 7 in the rotating cylinder separation chamber 4.Therefore, outlet 8 on every side remains closed.When outlet 8 was opened off and on, liquid was by pipeline 24, feed element 23.Groove 21 and inlet 20 enter cavity 19.Produce fluid pressure then in cavity 19, this pressure has overcome the spring force that acts on work guiding valve 16 rightabouts.Therefore, guiding valve 16 in axial direction moves down, and makes the drain openings 14 of cavity 9 open.
Step after this is that flowing fluid ratio can provide the much higher speed of new liq to leave cavity 9 by driving shaft internal channel 12, and afterwards, guiding valve 7 moves down, and opens the outlet 8 of separation chamber 4.
When the liquid that flows into cavity 19 by pipeline 24 was interrupted, the liquid in the cavity flowed out by outlet 22.Therefore, work guiding valve 16 is because the power effect of spring 17 is returned it again to top position, drain openings 14 closures of cavity 9.Now, beginning is again to cavity 9 fill liquids, and liquid flows into via opening 10,11 from passage 12 all the time, when the liquid cavity 9 in to the pressure one of guiding valve 7 above the power of liquid in the separation chamber 4 to guiding valve 7, guiding valve 7 just turns back to position above it, drains outlet 8 closures.
After the aforesaid operations and before the identical process, the aforementioned liquids height in driving shaft passage 12 automatically keeps.
If necessary, the bottom of driving shaft 13, promptly enclose that part of of blade 30, can be used as and use plastic separating component, be connected on the driving shaft with the form that can separate.Therefore, for an identical driving shaft, can produce several such separating components of the aperture 31 with various sizes.
In addition, if necessary, that part of diameter that blade 30 is installed in the passage 12 can be greater than the diameter of passage other parts.
Errata
CPME 854169
Errata
Claims (3)
1, very near rotating drum shaft, so that the guiding valve in the rotating cylinder is subjected to the effect of predetermined liquid pressure, rotating cylinder is supported by vertical driving shaft the liquid level that keeps liquid in the centrifugal separator rotating cylinder on radial height.The characteristics of this method are: in the rotating cylinder course of work, known to passage (12) itself form liquid level, passage extends through above-mentioned driving shaft (13) vertically and enters rotating cylinder, bottom at driving shaft, above-mentioned passage 12 footpaths one aperture 31 axially opens wide, at this aperture in the radial direction, the periphery of its desired size is arranged, rotate in the liquid that the container (25) of the bottom of driving shaft below being placed on driving shaft (13) contained.
2, very near rotating drum shaft, so that the guiding valve in the rotating cylinder (7) is subjected to the effect of predetermined liquid pressure, rotating cylinder is supported by vertical driving shaft the liquid level that keeps liquid in the centrifugal separator rotating cylinder on radial height.This apparatus features is: driving shaft itself has the axial passage (12) known to, communicate with the cavity (9) in the rotating cylinder, valve (7) is housed in the rotating cylinder, the container (25) that fills liquid places the below of driving shaft (13), driving shaft (13) with passage (12) extends downwardly in the liquid in the container (25), and the passage (12) in the driving shaft axially is open in the radial dimension of the radial dimension of aperture 31 in the liquid of container (25) less than passage (12) by aperture (31).
3, according to claim 2, device characteristic is: a kind of interior arrangement, for example blade (30) is provided at the lower part of driving shaft (13), when drive shaft turns, is used for introducing liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104758.0A CN1005687B (en) | 1985-06-19 | 1985-06-19 | Liquid level maintaining system at centrifugal separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85104758.0A CN1005687B (en) | 1985-06-19 | 1985-06-19 | Liquid level maintaining system at centrifugal separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85104758A true CN85104758A (en) | 1986-12-17 |
| CN1005687B CN1005687B (en) | 1989-11-08 |
Family
ID=4794039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85104758.0A Expired CN1005687B (en) | 1985-06-19 | 1985-06-19 | Liquid level maintaining system at centrifugal separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1005687B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105121024A (en) * | 2013-03-06 | 2015-12-02 | 阿尔法拉瓦尔股份有限公司 | A centrifugal separator |
| CN112717816A (en) * | 2020-12-30 | 2021-04-30 | 赵小林 | Urea mixing arrangement with real-time detection function |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004051264A1 (en) * | 2004-10-21 | 2006-04-27 | Westfalia Separator Ag | Separator with a centrifugal drum and a piston valve |
-
1985
- 1985-06-19 CN CN85104758.0A patent/CN1005687B/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105121024A (en) * | 2013-03-06 | 2015-12-02 | 阿尔法拉瓦尔股份有限公司 | A centrifugal separator |
| CN105121024B (en) * | 2013-03-06 | 2017-07-25 | 阿尔法拉瓦尔股份有限公司 | Whizzer |
| CN112717816A (en) * | 2020-12-30 | 2021-04-30 | 赵小林 | Urea mixing arrangement with real-time detection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1005687B (en) | 1989-11-08 |
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