CN108940614A - A kind of centrifuge separation drum unit - Google Patents
A kind of centrifuge separation drum unit Download PDFInfo
- Publication number
- CN108940614A CN108940614A CN201810659311.7A CN201810659311A CN108940614A CN 108940614 A CN108940614 A CN 108940614A CN 201810659311 A CN201810659311 A CN 201810659311A CN 108940614 A CN108940614 A CN 108940614A
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- rotary drum
- drum
- lower rotary
- ring
- centrifuge separation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
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- Centrifugal Separators (AREA)
Abstract
The present invention provides a kind of centrifuge separation drum units, including upper rotary drum, lower rotary drum, retaining ring of slagging tap, locating ring and drive shaft；Divide equally several separation chambers by radial inside the upper rotary drum, the upper bottom of the drum is connect with locating ring, and the retaining ring of slagging tap is mounted on the upper bottom of the drum by the seam allowance of locating ring；The inner ring of the locating ring is in axial sliding connection with the lower rotary drum, is contacted at the top of the lower rotary drum with upper bottom of the drum, the lower rotary drum outer ring and retaining ring inner ring linear sealing cooperation of slagging tap；It is equipped with slag notch in the locating ring, is connected between the slag notch and several separation chambers by linear sealing blocking；Slidable adjustment mechanism is installed outside the input axle sleeve of the lower rotary drum.Present invention can ensure that separating medium and rotary drum keep synchronous rotational speed, medium is opposing stationary, does not generate disturbance, and discrete state is identical with experiment centrifuge, can arbitrarily adjust the flow that solid phase is slagged tap.
Description
Technical field
The present invention relates to centrifugal demulsification and it is separated by solid-liquid separation dual-purpose drum unit apparatus field, in particular to a kind of centrifugation point
From drum unit.
Background technique
It is well known that vertical gravity discharging centrifuge is widely used in the industries such as pharmacy, chemical industry, food, master
The function of wanting is: the liquid component in separation and drying material, structure includes: base, and bearing block, bearing are provided in base
It is provided with main shaft in seat, rotary drum body is set on main shaft, the lower part of rotary drum body is provided with discharge port, and the lower section setting of discharge port is unloaded
Hopper；Cylindrical drum is provided in the rotary drum body, cylindrical drum is provided with filter opening, is provided with strainer on inner wall,
It is provided with cricoid liquid barrier on base, casing is provided on the outside of rotary drum body, forms collecting tank between liquid barrier and casing, it should
Collecting tank is communicated with the liquid outlet being arranged on casing, and motor is provided on base, is provided with cover at the top of casing, in cover
It is equipped with the feed pipe communicated with rotary drum chamber and washing pipe；The lower part of the main shaft is provided with follower, which passes through biography
Dynamic band links with the driving wheel being arranged on motor output shaft；The bottom of base is usually provided with four High Damping Performance dampings
Device.Disc-type solid-liquid separating machine is unable to continuous discharging slag, and discontinuous deslagging mode causes its application limited and separating effect of slagging tap
It is unable to control.
Horizontal helical type centrifuge be widely used in include the industries such as municipal administration, chemical industry, steel, power plant sludge dewatering.Experiment
Centrifuge material in separation in room is in autonomous closure state, therefore more satisfactory reality can be obtained in separation of solid and liquid and demulsification
Effect is tested, clear-cut is separated by solid-liquid separation.But laboratory centrifuge treating capacity is small, and as verifying equipment, cannot continuously into
Material, discharging, are not able to satisfy the requirement of most of industrial production treating capacity.All centrifugal separators are in reality currently on the market
Experiment effect cannot all be reached in operational process, the reason is that: material is not able to maintain during the separation process to be rotated synchronously with equipment,
Material movement relies on the frictional force between material and equipment, has compared with large disturbances, either vertical separation or sleeping spiral shell sedimentation centrifugation
There is bigger difference in machine, discrete state and laboratory, cannot reach state opposing stationary when the feed separation in laboratory, and
It is very poor for oil-containing feed separation and demulsification.The prior art especially Horizontal helical type centrifuge, separating effect is dependent on flocculation
Agent is to the flocculating effect of material, and its treatment effect and treating capacity are adjusted dependent on inlet amount, are discharged freely to discharge and can not adjust
Section；The prior art is not centrifuged the multifunctional centrifugal formula equipment of demulsification and separation of solid and liquid.And drum unit can not in the prior art
Realize how much accurate adjust discharges, to cannot achieve the adjusting of separation rate, such as moisture content.In addition, the centrifugation of the prior art
Drum unit is unable to adjust automatically slag notch size, while can not also replace vulnerable part.
Summary of the invention
In response to the deficiencies in the existing technology, the present invention provides a kind of centrifuge separation drum units, it is ensured that separation is situated between
Matter and rotary drum keep synchronous rotational speed, and medium is opposing stationary, do not generate disturbance, and discrete state is identical with experiment centrifuge, can adjust
It is convenient and efficient to replace regulating valve of slagging tap for the flow that section solid phase is slagged tap, continuous discharging slag.
The present invention achieves the above technical objects by the following technical means.
A kind of centrifuge separation drum unit, including upper rotary drum, lower rotary drum, regulating valve of slagging tap, locating ring and drive shaft；On described
Divide equally several separation chambers by radial inside rotary drum, charging distribution plate, described charging distribution plate one end are equipped with inside the upper rotary drum
It is connected to feed inlet, the charging distribution plate other end is connected to lower rotary drum, and the lower rotary drum is connected to several separation chambers；
The upper bottom of the drum is connect with locating ring, and the regulating valve of slagging tap is mounted on described by the seam allowance of locating ring
Bottom of the drum；The inner ring of the locating ring is in axial sliding connection with the lower rotary drum, O-ring sealing；At the top of the lower rotary drum with
Upper bottom of the drum contact, the lower rotary drum outer ring and regulating valve inner ring linear sealing cooperation of slagging tap；It is equipped with and slags tap in the locating ring
Mouthful, it is connected between the slag notch and several separation chambers by linear sealing blocking；One end of the drive shaft with into
Expect distribution plate connection, the input axle sleeve that the drive shaft other end passes through lower rotary drum is connect with driving device, the lower rotary drum
Slidable adjustment mechanism is installed outside input axle sleeve, by adjusting the lower rotary drum axial position, makes slag notch and several described points
From chamber opening or closing.
Further, the slidable adjustment mechanism includes bearing and discharging adjustment seat；The input axle sleeve peripheral hardware of the lower rotary drum
There is bearing, the bearing outer ring is mounted in discharging adjustment seat, and the discharging adjustment seat is connect with pedestal, passes through rotating discharge tune
Section seat slides the input axle sleeve of the lower rotary drum on the driving shaft.
Further, the discharging adjustment seat outer ring is equipped with external tooth, installs external gear on the pedestal, the external gear with go out
Expect adjustment seat engagement；The external gear is connect by train with power section, and numerically controlled automatic control may be implemented.
Further, displacement sensor is installed on the pedestal, for measuring the position of discharging adjustment seat, to be slagged tap
The open degree of regulating valve.
Further, the regulating valve inner ring of slagging tap is several described equipped with several conical surfaces for being spaced apart from each other arrangement and cylindrical surface
Cylindrical surface and the lower rotary drum outer ring clearance fit, several conical surfaces and the lower rotary drum outer ring linear sealing cooperate, for preventing
During only discharging, lower rotary drum outer ring and regulating valve inner ring appearance bias of slagging tap are shaken in high-speed cruising, influence the dynamic of equipment
Balance.
Further, the conical degree of conical surface range is 1:20~1:3.
Further, it is connected to by rotary joint with feed system with the one end for the feed pipe being connect at the top of upper rotary drum.
It further, further include shield, the shield is between upper rotary drum and pedestal.
Further, the first splash collar, slag-resisting apron plate and the second splash collar are equipped with inside the shield；Described first
Splash collar is located on the outside of locating ring, and the inclined-plane of first splash collar is located near slag notch, second splash collar
Positioned at slag notch between bottom plate；The slag-resisting apron plate and the second splash collar form tapered annular mouth；The annular mouth and collection
Slag chute connection, the dreg collecting slot are equipped with leakage slag bucket.
Further, cooling water is filled inside first splash collar；First splash collar be equipped with water inlet and
Water outlet, the water inlet are successively connect with heat-exchange system and water outlet closed loop, for cooling discharge waste residue and prevent out
The temperature rise that slag and retaining ring generate when colliding.
The beneficial effects of the present invention are:
1. centrifuge separation drum unit of the present invention is cone by upper drum inner wall, guarantee that solid phase isolate can
It slides along upper drum inner wall, gathers to slag notch under the action of the centrifugal.
2. centrifuge separation drum unit of the present invention, charging distribution plate can guarantee charging uniformly diverging around, guarantee
In operation vibration is not generated because material is eccentric.
3. centrifuge separation drum unit of the present invention, close by the conical surface and lower rotary drum External Cordon Line for regulating valve inner ring of slagging tap
Sealing-in touching, is adjusted by the conical surface, and degree of regulation is high, and adjusting allowance is big, convenient for control rate of discharge, and realizes the control of separating effect
System.
4. centrifuge separation drum unit of the present invention guarantees separating medium and rotary drum by the more repetitional structures in separation chamber
Synchronous rotational speed is kept, medium is opposing stationary, does not generate disturbance, and discrete state is identical with experiment centrifuge.
5. solid-liquid sedimentation separation may be implemented in the slow-speed of revolution in centrifuge separation drum unit of the present invention；When higher rotation speed
Demulsification function can be realized.
6. centrifuge separation drum unit of the present invention, it is mounted on due to slagging tap regulating valve by the seam allowance of locating ring described
Upper bottom of the drum, convenient disassembly is easy to repair, and the later period is facilitated to replace vulnerable part.
7. centrifuge separation drum unit of the present invention is equipped with external tooth, external tooth and external drive by discharging adjustment seat outer ring
Numerical control control discharging is realized in dynamic connection.
8. centrifuge separation drum unit of the present invention, it is equipped with by regulating valve inner ring of slagging tap and several is spaced apart from each other arrangement
The conical surface and cylindrical surface, it is ensured that during discharging, lower rotary drum outer ring will not go out with regulating valve inner ring of slagging tap in high-speed cruising
Existing eccentric shaking, influences the dynamic balancing of equipment.
9. centrifuge separation drum unit of the present invention, by filling recyclable cooling water inside the first splash collar,
The waste residue that slag notch can be discharged cools down.
Detailed description of the invention
Fig. 1 is centrifuge separation drum unit structural schematic diagram of the present invention.
Fig. 2 is upper rotary drum separation chamber structure chart of the present invention.
Fig. 3 is regulating valve Local map of the present invention of slagging tap.
Fig. 4 is the A-A cross-sectional view of Fig. 3.
Fig. 5 is the B-B cross-sectional view of Fig. 3.
Fig. 6 is regulating valve and the locating ring installation diagram of the present invention of slagging tap.
Fig. 7 is shield internal structure chart of the present invention.
In figure:
The upper rotary drum of 1-；Rotary drum under 2-；The separation chamber 3-；4- feeds distribution plate；5- slags tap regulating valve；6- locating ring；7- discharging
Adjustment seat；8- drive shaft；9- feed pipe；10- pedestal；11- external gear；The cylindrical surface 12-；13- bearing；14- slag notch；15-
One splash collar；The second splash collar of 16-；17- slag-resisting apron plate；18- displacement sensor；The 19- conical surface；20- leaks slag bucket.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
As depicted in figs. 1 and 2, centrifuge separation drum unit of the present invention, including upper rotary drum 1, lower rotary drum 2, tune of slagging tap
Save valve 5, locating ring 6 and drive shaft 8；Divide equally several separation chambers 3 by radial inside the upper rotary drum 1, the separation chamber 3 is equipped with
Liquid outlet positioned at 1 top of upper rotary drum is equipped with feed pipe 9 inside the upper rotary drum 1, and the feed pipe 9 is located at the upper rotary drum 1
It is connected at the top of axial location, described 9 one end of feed pipe and upper rotary drum 1,9 other end of the feed pipe installation charging distribution plate 4, institute
It states charging 4 other end of distribution plate to be connected to lower rotary drum 2, the lower rotary drum 2 is connected to several separation chambers 3；The feed pipe 9
It is connected to by the charging distribution plate 4 with several separation chambers 3；Pass through with one end of the feed pipe 9 connected at the top of upper rotary drum 1
Rotary joint and feed system outlet.Liquid outlet in the separation chamber 3 can be by the structure of hose and slip ring by liquid
Body output, since the structure of hose and slip ring is the prior art, is no longer described in detail herein.
1 bottom of upper rotary drum is connect with locating ring 6, and the regulating valve 5 of slagging tap is mounted on institute by the seam allowance of locating ring 6
1 bottom of rotary drum is stated, regulating valve 5 of slagging tap can be clamped by seam allowance cooperation；The inner ring of the locating ring 6 and the lower rotary drum 2
Axially through sliding pin connection, the lower rotary drum 2 is allow to slide axially, lower 2 top of rotary drum connects with upper 1 bottom of rotary drum
Touching, lower 2 outer ring of rotary drum and 5 inner ring linear sealing of regulating valve cooperation of slagging tap；Slag notch 14 is equipped in the locating ring 6, it is described
It is connected between slag notch 14 and several separation chambers 3 by linear sealing blocking；One end of the drive shaft 8 and charging point
It is connected with disk 4, the input axle sleeve that 8 other end of drive shaft passes through lower rotary drum 2 is connect with driving device, 8 band of drive shaft
The input axle sleeve rotation of dynamic lower rotary drum 2；Slidable adjustment mechanism is installed, by adjusting institute outside the input axle sleeve of the lower rotary drum 2
Lower 2 axial position of rotary drum is stated, opens or closes slag notch 14 with several separation chambers 3；8 other end of drive shaft can be worn
It crosses pedestal 10 to connect with driving device, support base is equipped in pedestal 10, is used to support drive shaft 8.The upper rotary drum 1 and lower rotary drum
The base angle angle in the section of 2 rotary tables is not more than 70 °.By the drum inner wall conical surface, guarantee that solid phase isolate can be in centrifugal action
It is lower to be slided along drum inner wall, gather to slag notch.
The slidable adjustment mechanism includes bearing 13 and discharging adjustment seat 7；The input axle sleeve of the lower rotary drum 2 is externally provided with axis
13 are held, 13 outer ring of bearing is mounted in discharging adjustment seat 7, and the discharging adjustment seat 7 is connect with pedestal 10, by rotating out of
Material adjustment seat 7 slides the input axle sleeve of the lower rotary drum 2 in drive shaft 8.7 outer ring of discharging adjustment seat is equipped with external tooth,
External gear 11, the external gear 11 and the discharging outer tooth engagement of adjustment seat 7 are installed on the pedestal 10；The external gear 11 passes through wheel
System connect with power section.Displacement sensor 18 is installed, for measuring the position of discharging adjustment seat 7 on the pedestal 10.It is described
Discharging adjustment seat 7 can be threadedly coupled with pedestal 10, and screw thread can be rectangular thread and be also possible to fine thread.Pass through rotation
Discharging adjustment seat 7 slides the input axle sleeve of the lower rotary drum 2 in drive shaft 8, can make slag notch 14 and several institutes in this way
Separation chamber 3 is stated to open or close.
The regulating valve 5 of slagging tap is mounted on 1 bottom of upper rotary drum by the seam allowance of locating ring 6, can by seam allowance cooperation
To clamp regulating valve 5 of slagging tap, 5 convenient disassembly of regulating valve of slagging tap in this way, it is only necessary to by the bolt of the upper rotary drum 1 and locating ring 6
It dismantles, the regulating valve 5 that can will slag tap is taken out, and easy to repair or cleaning also facilitates the later period to replace vulnerable part.
Laboratory centrifuge material in separation is in closed state, therefore can be compared in separation of solid and liquid and demulsification
Ideal experiment effect, still, all centrifugal separators cannot all reach real in actual moving process currently on the market
Test effect, to find out its cause, be have speed difference because material is not able to maintain with rotary drum opposing stationary during the separation process, so
There is disturbance in separation process, separate bigger difference with laboratory from state, the separating effect in laboratory cannot be reached, sinks
Drop effect has, but demulsification is very poor；The present invention reduces the centrifuge separation shape in laboratory by internal discrete state completely
State, when feed separation, do not generate disturbance completely, and input and output material is not interfere with each other, and speed is controllable, can be with continuous work.Feed distribution plate 4
It can guarantee charging uniformly diverging around, guarantee that material does not generate eccentric and causes to vibrate in operation.Pass through more than 3 equal parts in separation chamber
Structure guarantees that separating medium and rotary drum keep synchronous rotational speed, and medium is opposing stationary, does not generate disturbance, discrete state with test from
Scheming is identical.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6,5 inner ring of regulating valve of slagging tap is equipped with several conical surfaces for being spaced apart from each other arrangement
19 and cylindrical surface 12, several conical surfaces 19 and the lower 2 cylindroid External Cordon Line clearance fit of rotary drum, several cylindrical surfaces 12
It is closely slidably matched with the lower 2 cylindroid outer ring of rotary drum, is equipped with by regulating valve inner ring of slagging tap and several is spaced apart from each other arrangement
The conical surface and cylindrical surface, it is ensured that during discharging, lower rotary drum outer ring will not go out with regulating valve inner ring of slagging tap in high-speed cruising
Existing eccentric shaking, influences the dynamic balancing of equipment.19 range of taper of the conical surface is 1:20~1:3, passes through regulating valve inner ring of slagging tap
The conical surface and lower rotary drum External Cordon Line it is in sealing contact, adjusted by the conical surface, degree of regulation is high, and it is big to adjust allowance, convenient for control outlet
Flow.The conical surface 19 and 12 quantity of cylindrical surface respectively have 32 in figure, and the conical surface 19 can be corresponded with slag notch 14.
As shown in Figure 1 and Figure 7, shield is between upper rotary drum 1 and pedestal 10.It is anti-that first is equipped with inside the shield
Splash retaining ring 15, slag-resisting apron plate 17 and the second splash collar 16；First splash collar 15 is located at the outside of locating ring 6, and described the
The inclined-plane of one splash collar 15 is located near slag notch 14, for moving the waste residue sputtered to leakage 20 direction of slag bucket, schemes
In it can be seen that the first splash collar 15 section be right-angled trapezium, the bevel edge face slag notch 14 of right-angled trapezium, sputter come
Waste residue by bevel edge rebound fall the slag-resisting apron plate 17 and the second splash collar 16 formation tapered annular mouth in；Described
Two splash collars 16 are located at slag notch 14 and arrive between pedestal 10, sputter the waste residue come in order to prevent and enter slidable adjustment mechanism,
Sealing function is played, the annular mouth is connect with dreg collecting slot, and dreg collecting slot is equipped with leakage slag bucket 20.Inside first splash collar 15
Fill cooling water；First splash collar 15 be equipped with inlet and outlet, the water inlet successively with heat-exchange system and
The connection of water outlet closed loop.By the cooling water that filling inside the first splash collar is recyclable, the waste residue that slag notch can be discharged
Cool down.
Drum unit of the present invention can be achieved on solid-liquid sedimentation separation in the slow-speed of revolution；It can be realized brokenly when higher rotation speed
Newborn function.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of centrifuge separation drum unit, which is characterized in that including upper rotary drum (1), lower rotary drum (2), regulating valve of slagging tap (5), determine
Position circle (6) and drive shaft (8)；Divide equally several separation chambers (3) by radial inside the upper rotary drum (1), the upper rotary drum (1) is internal
Equipped with charging distribution plate (4), described charging distribution plate (4) one end is connected to feed inlet, charging distribution plate (4) other end and
Lower rotary drum (2) connection, the lower rotary drum (2) are connected to several separation chambers (3)；
Upper rotary drum (1) bottom is connect with locating ring (6), and the regulating valve of slagging tap (5) is installed by the seam allowance of locating ring (6)
In upper rotary drum (1) bottom；The inner ring of the locating ring (6) is in axial sliding connection with the lower rotary drum (2), the lower rotary drum
(2) top is contacted with upper rotary drum (1) bottom, lower rotary drum (2) outer ring and regulating valve (5) inner ring linear sealing cooperation of slagging tap；Institute
It states in locating ring (6) and is equipped with slag notch (14), it is close by the line between the slag notch (14) and several separation chambers (3)
It is logical to blockade disconnection；One end of the drive shaft (8) is connect with charging distribution plate (4), and drive shaft (8) other end passes through lower turn
The input axle sleeve of drum (2) is connect with driving device, and slidable adjustment mechanism is installed outside the input axle sleeve of the lower rotary drum (2), is led to
Lower rotary drum (2) axial position is overregulated, opens or closes slag notch (14) with several separation chambers (3).
2. centrifuge separation drum unit according to claim 1, which is characterized in that the slidable adjustment mechanism includes bearing
(13) and adjustment seat (7) are discharged；The input axle sleeve of the lower rotary drum (2) is externally provided with bearing (13), bearing (13) the outer ring peace
In discharging adjustment seat (7), the discharging adjustment seat (7) connect with pedestal (10), makes institute by rotating discharge adjustment seat (7)
The input axle sleeve for stating lower rotary drum (2) is slided on drive shaft (8).
3. centrifuge separation drum unit according to claim 2, which is characterized in that discharging adjustment seat (7) outer ring is equipped with
External tooth installs external gear (11) on the pedestal (10), the external gear (11) with discharge adjustment seat (7) engage；The external tooth
Wheel (11) is connect by train with power section.
4. centrifuge separation drum unit according to claim 2, which is characterized in that install displacement sensing on the pedestal (10)
Device (18), for measuring the position of discharging adjustment seat (7).
5. centrifuge separation drum unit according to claim 1, which is characterized in that regulating valve of slagging tap (5) inner ring is equipped with
Several conical surfaces (19) for being spaced apart from each other arrangement and cylindrical surface (12), several cylindrical surfaces (12) and lower rotary drum (2) outer ring
Clearance fit, several conical surfaces (19) and lower rotary drum (2) the outer ring linear sealing cooperate.
6. centrifuge separation drum unit according to claim 5, which is characterized in that the conical surface (19) range of taper is 1:20
~1:3.
7. centrifuge separation drum unit according to claim 1, which is characterized in that described with being connect at the top of upper rotary drum (1)
One end of feed pipe (9) is connected to by rotary joint with feed system.
8. centrifuge separation drum unit according to claim 1-7, which is characterized in that it further include shield, it is described
Shield is between upper rotary drum (1) and pedestal (10).
9. centrifuge separation drum unit according to claim 7, which is characterized in that be equipped with the first splashproof inside the shield
Retaining ring (15), slag-resisting apron plate (17) and the second splash collar (16)；First splash collar (15) is located at locating ring (6) outside
The inclined-plane of side, first splash collar (15) is located near slag notch (14), and second splash collar (16), which is located at, to be slagged tap
Between mouth (14) to pedestal (10)；The slag-resisting apron plate (17) and the second splash collar (16) form tapered annular mouth；The ring
Shape mouth is connect with dreg collecting slot, and the dreg collecting slot is equipped with leakage slag bucket (20).
10. centrifuge separation drum unit according to claim 8, which is characterized in that first splash collar (15) is internal
Fill cooling water；First splash collar (15) be equipped with inlet and outlet, the water inlet successively with heat-exchange system
It is connected with water outlet closed loop.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659311.7A CN108940614B (en) | 2018-06-25 | 2018-06-25 | Centrifugal separation drum rotating machine |
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|---|---|---|---|
| CN201810659311.7A CN108940614B (en) | 2018-06-25 | 2018-06-25 | Centrifugal separation drum rotating machine |
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| CN108940614B CN108940614B (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113262886A (en) * | 2021-05-24 | 2021-08-17 | 衢州职业技术学院 | Mulberry leaf essential oil extraction and purification method and centrifuge for extraction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262886A (en) * | 2021-05-24 | 2021-08-17 | 衢州职业技术学院 | Mulberry leaf essential oil extraction and purification method and centrifuge for extraction |
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| CN108940614B (en) | 2021-02-09 |
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