CN206631776U - A kind of rotor of bipyramid cocurrent horizontal screw centrifuge - Google Patents
A kind of rotor of bipyramid cocurrent horizontal screw centrifuge Download PDFInfo
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- CN206631776U CN206631776U CN201621227862.9U CN201621227862U CN206631776U CN 206631776 U CN206631776 U CN 206631776U CN 201621227862 U CN201621227862 U CN 201621227862U CN 206631776 U CN206631776 U CN 206631776U
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- rotor
- helical blade
- double helical
- bipyramid
- cocurrent
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Abstract
It the utility model is related to a kind of rotor of bipyramid cocurrent horizontal screw centrifuge, rotor is arranged in the rotary drum of bipyramid cocurrent horizontal screw centrifuge, double helical blade is provided with rotor surface, double helical blade forms material channel and apocenosis passage, some hole for back flow are provided with double helical blade, material channel is only connected with apocenosis passage at hole for back flow, feed pipe is provided with rotor, some charging holes being connected with feed pipe are additionally provided with rotor, some charging holes are connected with material channel；It is provided with multiple loose slag structures on the double helical blade surface of material channel, loose slag structure setting has a wavy bulge for being higher by double helical blade surface, and the radial distribution of the wavy bulge of loose slag structure along rotor is vertical with deslagging direction.The utility model can carry out effective separation of solid and liquid to engineering sewage, good separating effect, solve the problem that existing centrifuge needs to clean the inside body refuse of rotor with clear water before shutdown.
Description
Technical field
Solid-liquid separating equipment is the utility model is related to, more particularly to a kind of rotor of bipyramid cocurrent horizontal screw centrifuge.
Background technology
Horizontal screw centrifuge is widely used in every profession and trade as a kind of universal machine.The change designed with centrifuge structure
Change is continued to optimize with parameter, and its disintegrate-quality and production capacity are also become better and better, considerably beyond design level before.But
High separating efficiency（Slag charge mass dryness fraction is high, clear liquid clarity is high）It is conflicting with low energy consumption, therefore, research special construction is simultaneously excellent
Change is the main direction of development of further lifting horizontal screw centrifuge properties of product.The rotor of horizontal screw centrifuge be critical component it
One, the structure of rotor directly influences the performance of horizontal screw centrifuge.Existing rotor structure can not realize these requirements, it is necessary to right
Rotor structure is improved.
On the other hand, existing centrifuge must use flocculant in most cases, just can guarantee that the effective of engineering sewage
Separation.However, flocculant contains chemical composition meeting polluted-water, so as to cause secondary pollution and increase use cost, how to lead to
Cross and improve separation factor or increase sedimentation depth to improve the main hair that separating effect is also lifting horizontal screw centrifuge properties of product
Open up direction.These can also be by improving to realize the structure of rotor.
Utility model content
Technical problem to be solved in the utility model is, there is provided a kind of high separating efficiency, the bipyramid cocurrent of low energy consumption
The rotor of horizontal screw centrifuge, engineering sewage can be effectively separated, good separating effect.
The utility model, which is achieved in that, provides a kind of rotor of bipyramid cocurrent horizontal screw centrifuge, and the rotor is set
In the rotary drum of bipyramid cocurrent horizontal screw centrifuge, double helical blade is provided with the rotor surface, the rotary drum and turn
Attached bag includes small end and big end, and material channel is formed by the transition of double cone portion, the double helical blade between size both ends
And apocenosis passage, the sectional area of the material channel are more than the sectional area of apocenosis passage, the small end of the rotary drum be provided with
The slag notch that material channel is connected, the purified liquor outlet being connected with apocenosis passage is provided with the big end of the rotary drum, in institute
State and some hole for back flow are provided with double helical blade, the material channel and apocenosis passage pass through drum inner wall and double spiral
Blade seals against each other isolation, and both are only connected at hole for back flow, and feed pipe is provided with the rotor, on the rotor
Some charging holes being connected with feed pipe are additionally provided with, some charging holes are connected with material channel；Close to circular cone
The material channel of portion's small end pushes away and multiple loose slag structures is provided with the double helical blade surface of slag, and the loose slag structure distribution exists
The outward flange of double helical blade, the loose slag structure setting has the wavy bulge for being higher by double helical blade surface, described
Radial distribution of the wavy bulge of loose slag structure along rotor is vertical with deslagging direction.
Further, the wavy bulge of the loose slag structure is provided with the hypotenuse of two different inclination angles, with double spiral shell
The angle of inclination of the consistent hypotenuse of the hand of spiral of vane piece is less than the angle of inclination of the hypotenuse opposite with the hand of spiral.
Further, the loose slag structure is more than its projection height close to rotor-side by the height of projection of drum inner wall side
Degree.
Further, the loose slag structure setting is enclosed on double helical blade more than one.
Further, the ratio between sectional area of the material channel and apocenosis passage is the ratio between raw material proportion and clear liquid proportion.
Further, some hole for back flow are close to the root of double helical blade, and its height is no more than material channel
The half of height.
Further, the conus portion of the rotor includes the circular cone of two sections of different cone angles, is more than close to the coning angle held greatly
Close to the coning angle of small end.
Further, it is provided with leakage-proof structure at the top of the double helical blade.
Further, sealing strip of the groove that the leakage-proof structure includes being arranged on top with placement in a groove.
Compared with prior art, the rotor of bipyramid cocurrent horizontal screw centrifuge of the present utility model has the characteristics that：
（1）The solid phase in liquid material and liquid phase are separated using double helical blade, double helical blade is formed
Material channel and apocenosis passage, the sectional area of material channel are more than the sectional area of apocenosis passage, the material channel of larger sectional area
For pushing solid phase body refuse, the flow velocity of body refuse raw material is reduced, increases the centrifugation time of body refuse；The apocenosis passage of small cross sections product is used
In push clear liquid, it is easy to quick fluid-discharge.
（2）Using parallel type structure, feedstock direction is consistent with solid phase discharging direction, adds the stroke of solid phase body refuse, prolongs
The separation of solid and liquid time has been grown, has improved the separating effect of solid phase and liquid phase.
（3）Multiple loose slag structures are provided with the double helical blade surface of material channel, loose slag structure setting has height
Go out the wavy bulge of double helical blade surface, wavy bulge is set on double helical blade surface equivalent to a kind of ploughshare
Plough helical blade structure, wavy bulge can effectively promote the solid phase body refuse separated, prevent body refuse to be bonded in original
Expect in passage, substantially increase the deslagging function of centrifuge, solve this difficult problem of slagging tap, while solve existing centrifugation
Machine needs to carry out the inside body refuse of its rotor with clear water the problem of washing and cleaning operation before shutdown.
（4）Using biconial blade, in general, the cone section cone angle number of degrees of centrifuge are bigger, and solid phase body refuse water content is just
It is smaller, push away that mud resistance is also bigger, so the diconical big body refuse water content for tilting angular zone is more than small inclination angular zone
Body refuse water content, improve solid-liquid separation effect.
Brief description of the drawings
Fig. 1 is rotor of the present utility model and the diagrammatic cross-section under rotary drum assembled state；
Fig. 2 is the front view of rotor in Fig. 1；
Fig. 3 is Fig. 2 top view；
Fig. 4 is the operation principle schematic diagram that rotor of the present utility model carries out separation of solid and liquid.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
Referring to shown in Fig. 1, Fig. 2 and Fig. 3, the rotor of the utility model bipyramid cocurrent horizontal screw centrifuge it is preferable
Embodiment, rotor 1 are arranged in the rotary drum 2 of bipyramid cocurrent horizontal screw centrifuge, and double helical blade is provided with the surface of rotor 1
3。
Rotary drum 2 and rotor 1 include small end and big end, and by conus portion transition between size both ends, differential mechanism 2 is with turn
Drum 2 and the differential of rotor 1 rotate.Solid phase and liquid phase of the utility model suitable for liquid material A separate, such as engineering
Processing that sewage separation separates with leather sewage etc., thinner especially suitable for separation solid phase, solid-liquid difference in specific gravity is smaller, or high mass dryness fraction
The occasion of slag charge requirement, existing solid-liquid separating machine are difficult to the occasion separated.
Double helical blade 3 forms material channel 4 and apocenosis passage 5.The sectional area of material channel 4 is more than apocenosis passage 5
Sectional area, the optimal cross section product of material channel 4 and apocenosis passage 5（Or the axial width of material channel 4 and apocenosis passage 5）
The ratio between be the ratio between raw material proportion and clear liquid proportion.
The slag notch 6 being connected with material channel 4 is provided with the small end of rotary drum 2, is provided with and arranges at the big end of rotary drum 2
The purified liquor outlet 7 that liquid passage 5 is connected.For liquid material A after separating treatment, solid phase body refuse B passes through the double edge of helical blade 3
The direction of apocenosis passage 5 of material channel 4 and cone section part promotes, and is finally discharged from slag notch 6.Liquid material A is from charging aperture 12
Start to flow along material channel 4 to small end, under the influence of centrifugal force, solid phase body refuse B is gradually formed close to rotary drum wall, it is close
Axle center gradually forms liquid clear liquid C.Reach near cone post intersection, solid phase body refuse B continues to promote toward small end slag notch 6, and liquid
State clear liquid C goes to discharge opeing from material channel 4 by the hole for back flow 8 near cone post intersection between material channel 4 and apocenosis passage 5 and led to
Road 5, then along apocenosis passage 5 to big end flowing, finally discharged from purified liquor outlet 7, as shown in Figure 1.On double helical blade 3
Some hole for back flow 8 are provided with, hole for back flow 8 is located at the middle part of rotor 1 and close to conus portion.Some hole for back flow 8 are close to double spiral
The root of blade 3, half of its height no more than the height of material channel 4.In the present embodiment, the height of hole for back flow 8 is original
Expect 1/3rd of the height of passage 4.
Material channel 4 and apocenosis passage 5 seal against each other isolation by the inwall of rotary drum 2 and double helical blade 3, and both only exist
It is connected at hole for back flow 8.Feed pipe 9 is provided with rotor 1.Liquid material A enters the inside of rotor 1 by feed pipe 9.
Be additionally provided with some charging holes 10 being connected with feed pipe 9 on rotor 1, some charging holes 10 be located at the big end of rotor 1 and
Close to purified liquor outlet 7.Some charging holes 10 are connected with material channel 4.Liquid material A after some charging holes 10 by entering
Material channel 4, separation of solid and liquid is carried out under the drive of differential mechanism 2.Because charging aperture 12 is positioned close at big end, liquid material
A feedstock direction is consistent with solid-state body refuse B discharging direction, adds the stroke of solid phase body refuse, so as to add the heavy of solid phase
The time is dropped, improves the separating effect of solid phase and liquid phase.
Solid particle in body refuse gradually can be accumulated by centrifugal action to the internal face direction of rotary drum 2, gradually be collected at double
The outside of helical blade 3 is arranged, and ultimately forms solid-state body refuse B, as whole rocket head is shown in solid in Fig. 4.And the liquid separated
Clear liquid C is then located at the inner side of double helical blade 3, as shown in half arrow dotted line in Fig. 4, to realize separation of solid and liquid.
Referring to shown in Fig. 2 and Fig. 3, the double helical blade 3 of slag is pushed away in the material channel 4 close to conus portion small end
Multiple loose slag structures 11 are provided with surface.Loose slag structure 11 is distributed in the outward flange of double helical blade 3.Loose slag structure 11 is set
It is equipped with the wavy bulge 12 for being higher by the double surface of helical blade 3, the radial direction of the wavy bulge 12 of loose slag structure 11 along rotor 1
Distribution is vertical with deslagging direction.The wavy bulge 12 of loose slag structure 11 is provided with the hypotenuse of two different inclination angles, and double
The hand of spiral of helical blade 3（Namely deslagging direction）The angle of inclination of consistent hypotenuse 13 is less than opposite with the hand of spiral oblique
The angle of inclination on side 14.The hypotenuse 14 of loose slag structure 11 pushes solid-state body refuse B and gradually moves to the direction of slag notch 6 and smoothly push away
Go out.Loose slag structure 11 from the internal face of rotary drum 2 drags solid-state body refuse B get off, it is therefore prevented that solid-state body refuse B is deposited on the wall of rotary drum 2
And block double helical blade 3, may be such that using big cone angle drum structure can smooth mud extraction, so as to realize in the case of low-power consumption
The effect slagged tap to high mass dryness fraction, solves the problems, such as existing centrifuge difficult deslagging.
Loose slag structure 11 is more than it close to the height of projection of the side of rotor 1, loose slag structure by the height of projection of the inwall side of rotary drum 2
11 couples of solid-state body refuse B produce the power to the axis of rotor 1 so that solid-state body refuse B is gradually extruded to the center of rotor 1, is easy to
Solid-state body refuse B all pushes from material channel 4 to be come out.After the completion of mask work, base in centrifuge instrument of the present utility model
This does not remain solid-state body refuse B, needs to enter the inside body refuse of its rotor with clear water before shutdown so as to overcome existing centrifuge
The defects of row washing and cleaning operation.
Loose slag structure 11 is arranged on double helical blade 3 more than a circle.In the present embodiment, loose slag structure 11 is double
Distribution on helical blade 3 is enclosed more than two, as shown in Figure 4.Usually loose slag structure 11 is set more, and solid-state body refuse B's slags tap
Effect is better, but may reduce the clarity of clear liquid.
Conus portion and rotary drum 2 the cone intersegmental part of rotor 1 include the circular cone of two sections of different cone angles, big close to the coning angle held greatly
In the coning angle close to small end.In general, the cone section cone angle number of degrees of centrifuge are bigger, and solid phase body refuse water content is just smaller, pushes away
Mud resistance is also bigger.Generally, because cone post intersection is nearby still in solid-liquid mixed zone, resistance is promoted by contrast
Power is smaller, easily using big cone angle（The present embodiment is 15 degree）, conelet angular zone is substantially the higher slag charge of solid content, promotes resistance
Power is big, therefore the cone angle in the present embodiment is 7 degree.Using cone angle structure is become, the power of centrifuge can be both reduced, can be ensured again
It is smooth to push away slag, so as to reach preferable solid-liquid separation effect.
In order to prevent internal leakage, the mutual leakage between liquid phase and solid phase is reduced, is set at the top of double helical blade 3
It is equipped with leakage-proof structure.Sealing strip 15 of the groove that the leakage-proof structure includes being arranged on top with placement in a groove.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of rotor of bipyramid cocurrent horizontal screw centrifuge, the rotor（1）It is arranged on the rotary drum of bipyramid cocurrent horizontal screw centrifuge
（2）It is interior, it is characterised in that in the rotor（1）Double helical blade is provided with surface（3）, the rotary drum（2）And rotor
（1）Including small end and big end, pass through conus portion transition, the double helical blade between size both ends（3）Raw material is formed to lead to
Road（4）And apocenosis passage（5）, the material channel（4）Sectional area be more than apocenosis passage（5）Sectional area, in the rotary drum
（2）Small end be provided with and material channel（4）The slag notch being connected（6）, in the rotary drum（2）Big end be provided with and discharge opeing
Passage（5）The purified liquor outlet being connected（7）, in the double helical blade（3）On be provided with some hole for back flow（8）, the original
Expect passage（4）And apocenosis passage（5）Pass through rotary drum（2）Inwall and double helical blade（3）Isolation is sealed against each other, both are only returning
Fluid apertures（8）Place is connected, in the rotor（1）Inside it is provided with feed pipe（9）, in the rotor（1）On be additionally provided with and feed
Pipe（9）Some charging holes being connected（10）, some charging holes（10）With material channel（4）It is connected；Close to circular cone
The material channel of portion's small end（4）Push away the double helical blade of slag（3）Multiple loose slag structures are provided with surface（11）, the loose slag
Structure（11）It is distributed in double helical blade（3）Outward flange, the loose slag structure（11）It is provided with and is higher by double helical blade
（3）The wavy bulge on surface（12）, the loose slag structure（11）Wavy bulge（12）Along rotor（1）Radial distribution with
Deslagging direction is vertical.
2. the rotor of bipyramid cocurrent horizontal screw centrifuge as claimed in claim 1, it is characterised in that the loose slag structure（11）'s
Wavy bulge（12）The hypotenuse of two different inclination angles is provided with, with double helical blade（3）Consistent oblique of the hand of spiral
Side（13）Angle of inclination be less than the hypotenuse opposite with the hand of spiral（14）Angle of inclination.
3. the rotor of bipyramid cocurrent horizontal screw centrifuge as claimed in claim 2, it is characterised in that the loose slag structure（11）Lean on
Rotary drum（2）The height of projection of inwall side is more than it close to rotor（1）The height of projection of side.
4. the rotor of the bipyramid cocurrent horizontal screw centrifuge as described in claim 1 or 2 or 3, it is characterised in that the loose slag structure
（11）It is arranged on double helical blade（3）On more than one circle.
5. the rotor of bipyramid cocurrent horizontal screw centrifuge as claimed in claim 4, it is characterised in that the material channel（4）With
Apocenosis passage（5）The ratio between sectional area be the ratio between raw material proportion and clear liquid proportion.
6. the rotor of bipyramid cocurrent horizontal screw centrifuge as claimed in claim 4, it is characterised in that some hole for back flow（8）
Close to double helical blade（3）Root, its height is not more than material channel（4）Height half.
7. the rotor of bipyramid cocurrent horizontal screw centrifuge as claimed in claim 4, it is characterised in that the rotor（1）Circular cone
Portion includes the circular cone of two sections of different cone angles, is more than the coning angle close to small end close to the coning angle held greatly.
8. the rotor of bipyramid cocurrent horizontal screw centrifuge as claimed in claim 1, it is characterised in that the double helical blade
（3）Top be provided with leakage-proof structure.
9. the rotor of bipyramid cocurrent horizontal screw centrifuge as claimed in claim 8, it is characterised in that the leakage-proof structure includes
It is arranged on the sealing strip of the groove and placement at top in a groove（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227862.9U CN206631776U (en) | 2016-11-16 | 2016-11-16 | A kind of rotor of bipyramid cocurrent horizontal screw centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227862.9U CN206631776U (en) | 2016-11-16 | 2016-11-16 | A kind of rotor of bipyramid cocurrent horizontal screw centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206631776U true CN206631776U (en) | 2017-11-14 |
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ID=60260621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621227862.9U Active CN206631776U (en) | 2016-11-16 | 2016-11-16 | A kind of rotor of bipyramid cocurrent horizontal screw centrifuge |
Country Status (1)
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| CN (1) | CN206631776U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067356A (en) * | 2016-11-16 | 2018-05-25 | 浙江三拓重工科技有限公司 | A kind of rotor of bipyramid cocurrent decanter centrifuge |
| CN115362013A (en) * | 2020-03-24 | 2022-11-18 | 美得华水务株式会社 | Separating device |
-
2016
- 2016-11-16 CN CN201621227862.9U patent/CN206631776U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067356A (en) * | 2016-11-16 | 2018-05-25 | 浙江三拓重工科技有限公司 | A kind of rotor of bipyramid cocurrent decanter centrifuge |
| CN115362013A (en) * | 2020-03-24 | 2022-11-18 | 美得华水务株式会社 | Separating device |
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