CN106075952B - The preparation method of centrifugal extractor rotary drum and the rotary drum - Google Patents
The preparation method of centrifugal extractor rotary drum and the rotary drum Download PDFInfo
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- CN106075952B CN106075952B CN201610588632.3A CN201610588632A CN106075952B CN 106075952 B CN106075952 B CN 106075952B CN 201610588632 A CN201610588632 A CN 201610588632A CN 106075952 B CN106075952 B CN 106075952B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0461—Juxtaposition of mixers-settlers mixing by counter-current streams provoked by centrifugal force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0476—Moving receptacles, e.g. rotating receptacles
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- Chemical Kinetics & Catalysis (AREA)
- Extraction Or Liquid Replacement (AREA)
- Centrifugal Separators (AREA)
Abstract
The purpose of the present invention is just to provide a kind of centrifugal extractor rotary drum,Dynamic balancing is difficult to adjust after the drum body of solution conventional centrifugal extracter completes,And the problem of too high manufacture difficulty of required precision is big is made to drum system,Including the rotary drum body for tubular,Rotary drum body is made up of point weir body and drum body,Weir body is divided to be located above drum body,Point weir body forms the cavity for centrifugal extractor mixing liquid with drum body,Be respectively equipped with light phase passage and the heavy phase channels drum body and point weir body of point weir body are split-type structural,Described drum body is made up of multi-segmental,Above-mentioned multi-segmental comprises at least and the discharging section for dividing the cooperation of weir body lower end and the feed zone at charging aperture,Divide weir body and drum body,Sealed connection is detachably fixed between drum body adjacent segment,Point weir body contacted in the said goods invention with feed liquid,The drum Unitarily molded shaping in each section of body,It is easy to control its precision by mould,Reduce the regulated quantity of rotary balance,Bulging weight can be mitigated significantly using composite simultaneously.
Description
Technical field
The present invention relates to centrifugal extraction equipment field, more particularly to a kind of centrifugal extractor rotary drum and above-mentioned Centrifugical extraction
The preparation method of machine rotary drum.
Background technology
The course of work of centrifugal extractor is broadly divided into two parts：Mass transport process and centrifugal separation processes are mixed, wait to mix
The two kinds of immiscible liquid closed are rotated at a high speed so as to produce centrifugal force under the effect of centrifugal extractor rotary drum, in the work of centrifugal force
Outwards assembled with the big liquid of lower density, the small liquid of density is inwardly assembled, and two kinds of liquid can gradually be layered and form a boundary
Face, the larger liquid of density in outside are discharged by heavy phase channels, and the less liquid of the density in inner side passes through light phase passage
Discharge, so as to complete separation process.
Conventional centrifugal extracter rotary drum uses upper and lower ends bearings, and the installation place of bottom end bearing is located at mixing liquid
Place, inevitably need to consider the various problems such as sealing, the corrosion of bottom end bearing, generally bottom end bearing is using machinery
Sealing, but easily failed with reason, the mechanical seals of bottom end bearing such as assembly precisions because drum body rotates, durability degree is not high,
The problems such as ultimately resulting in equipment leakage, and bottom end bearing due to the reason such as installation site and its precision, sealing cause its maintenance into
This height, influence industrial production efficiency.
Another centrifugal extractor rotary drum rotates at a high speed in the course of the work, using the structure of upper and lower end bearing installation with regard to necessary
The axiality of strict control upper and lower end bearing installation position, to avoid occurring causing centrifugal extractor to shake during running at high speed
The problem of dynamic violent, noise is big or concentrated wear is serious, also drum body high-speed rotation also require that the dynamic balancing for rousing body must
Strict regulation must be carried out, very high to the requirement for dynamic balance of drum body, its dynamic balancing regulation is tired after traditional barrel tumbler completes
It is difficult.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the present invention is just to provide a kind of centrifugal extractor
Rotary drum, it is therefore intended that dynamic balancing is difficult to adjust after the drum body of solution conventional centrifugal extracter completes, and makees essence to drum system
Degree requires the problem of too high manufacture difficulty is big.
Its technical scheme is, including the rotary drum body for tubular, and rotary drum body is made up of point weir body and drum body, divides weir position
Above drum body, point weir body forms the cavity for centrifugal extractor mixing liquid with drum body, and point weir body is respectively equipped with light phase
Passage and heavy phase channels drum body are with dividing weir body to be split-type structural, and described drum body is made up of multi-segmental, and above-mentioned multi-segmental is at least
Including with dividing the discharging section of weir body lower end cooperation and the feed zone at charging aperture, dividing weir body and drum body, drum body adjacent segment
Between be detachably fixed sealed connection, drive socket is provided with drum body inside center, drive socket is corresponding with bulging each section of body
Sectional type structure, each section of drive socket are fixedly connected to form the module of bulging body with corresponding each section of drum body, divide weir body
Center at be provided with pressure cylinder corresponding with drive socket, the lower end of drive socket is detachably fixed connection shaft-cup, and shaft-cup edge surpasses
Go out the axial positioning structure that the rotating shaft diameter of axle forms drive socket with drive socket lower end edge, can between each section of drive socket
Fixed seal connection is dismantled, drive socket at pressure cylinder stacking installation and center with being provided with the installation keyway coordinated with rotating shaft, rotating shaft
Coordinate with installation keyway rotation stop.
Described module is integrally formed.
The upper end of rotating shaft described in described centrifugal extractor rotary drum beyond pressure cylinder upper end and on have external screw thread, the external screw thread is matched somebody with somebody
Conjunction has a locknut, locknut compress pressure cylinder point weir body so as to compress between each section of each section drive socket of drum body realize it is close
Envelope.
Described dividing is provided with heavy phase cavity volume between weir body top and pressure cylinder, heavy phase cavity volume connects with heavy phase channels, and heavy phase is held
Chamber upper end open, and pressure cylinder stretches out opening, divides weir body upper end to connect heavy phase weir plate, and annular is provided between heavy phase weir plate and pressure cylinder
Heavy out.
The heavy phase weir plate is made up of single circle shape part or heavy phase weir plate forms circular knot by multiple component combinations
Structure.
Described drum body is straight barrel type structure, and feed zone lower vertical extends into the charging terminal of straight barrel type structure, charging
Linkage section is provided between section and discharging section, pump impeller is provided with charging terminal, on the end face for rousing each each section of section drive socket of body
The male and female dop to form clamping is offered, sealing gasket is provided between male and female dop.
Described divides weir body to be arranged on each section of drum body in rotating shaft, is rotated at a high speed with rotating shaft, above-mentioned rotary drum is by steel alloy
It is made, pump impeller is axial flow type impeller.
By composite Unitarily molded shaping, composite is thermoplasticity or thermosets to described divide weir body, drum body.
Point weir body that is contacted in the said goods invention with feed liquid, the drum Unitarily molded shaping in each section of body, are easy to pass through mould
Its precision is controlled, reduces the regulated quantity of rotary balance, while bulging weight can be mitigated significantly using composite, meets centrifugation extraction
Machine lightweight requirements, more low energy are taken, improve the competitiveness of product.Another composite strong alkali-acid resistance corrosion, it is more suitable
For extracting the requirement of industry.
Dynamic balancing is difficult to adjust after the present patent application completes for the drum body of conventional centrifugal extracter, and to drum system
Make the problem of too high manufacture difficulty of required precision is big, there is provided a kind of preparation method of above-mentioned centrifugal extractor rotary drum.
Its step is as follows：
S1, the injection mold for dividing weir body and each section of drum body is made according to design requirement, should strictly be controlled in the step
The making precision of mould is to ensure to rouse the making precision of body；
S2, using thermosetting or thermoplastic composite to dividing weir body, each section of drum body to carry out Unitarily molded shaping；
S3, carry out deburring and trimming to obtaining blank so that the fit precision between each part reaches requirement；
S4, by male and female dop drum body each section is attached, in order to ensure the sealing effectiveness of connection, male and female dop
Place sets sealing gasket, and the shaft end of rotating shaft is fixedly connected with the axially position that shaft-cup realizes rotating shaft, while drive socket by key and turns
Axle is realized tangentially oriented, and causes rotating shaft upper end by pressure cylinder, point weir body lower end is connected and sealed with bulging body, and locknut is connected
In rotating shaft, locknut is turned, point weir body section each with drum body and pressure cylinder and drive socket are further compressed by locknut, it is ensured that
Reliable axially position；
S5, by bolt heavy phase weir plate is fixed on point corresponding to the body of weir on upper surface, pump impeller is arranged on charging terminal
Place；
S6, adjustment, dynamic balancing measurement is carried out to drum body, amount of unbalance adjustment is carried out to drum body according to test result.
Weir body, each section moulding technology method of drum body is divided to realize that its cost of manufacture is cheap, keeps away in above method invention
Exempt from mach high cost, after molded, sealed using sealing gasket, compressed finally by locknut, processing technology letter
It is single, and each section of drum body can reach the dynamically balanced result of the final drum body of control at the beginning of making by the precision of mould.
Brief description of the drawings
Fig. 1 is the agent structure schematic diagram of the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
The embodiment one of centrifugal extractor rotary drum：As shown in figure 1, including the rotary drum body for tubular, rotary drum body is by dividing
Weir body 1 and drum body 2 are formed, and divide weir body 1 to be located at the top of drum body 2, and point weir body 1 is formed for centrifugal extractor mixed liquor with drum body 2
The cavity of body, point weir body 1 are respectively equipped with light phase passage 101 and heavy phase channels 102, and drum body 2 is with dividing weir body 1 to be split type knot
It is dismountable Hermetical connecting structure between structure, namely point weir body 1 and drum body 2, drum body 2 is made up of multi-segmental, above-mentioned multi-segmental
Including with dividing the discharging section 201 of the lower end of weir body 1 cooperation and the feed zone 202 at charging aperture, the lower vertical of feed zone 202 to prolong
The charging terminal 203 of straight barrel type structure is stretched into, linkage section 204 is provided between feed zone 202 and discharging section 201, according to drum body 2
Size requirement, linkage section 204 can be multiple, and for increasing the height of bulging body 2, pump impeller 205, pump are provided with charging terminal 203
Wheel 205 is axial flow type impeller, there is drive socket at drum body 2 center, and drive socket and drum body by integral forming, drum body 2 are segmented
When, drive socket keeps the segmentation structure same with drum body, and drive socket is used to install rotating shaft, drum body 2 and drive sleeve tubular
Into section formed and form the module 4 of drum body, namely drum body, when being made and being assembled, multiple modules are carried out into assembling can shape
Into the structure of drum body, the male and female dop to form clamping is offered on the end face of 4 each section of module, is provided between male and female dop
Sealing gasket, integral type is formed by dowel 9 between each section of drive socket 3 and corresponding 2 each section of drum body and connected, divides weir
Pressure cylinder 103 corresponding with drive socket 3 is provided with the center of body 1, the lower end of drive socket 3 is detachably fixed connection shaft-cup 5, axle
The edge of lid 5 forms the axial positioning structure of drive socket 3, drive socket 3 beyond the diameter of axle of rotating shaft 6 with the lower end edge of drive socket 3
Each section between be detachably fixed sealed connection, drive socket 3 at the stacking of pressure cylinder 103 installation and center with being provided with and rotating shaft 6
The installation keyway of cooperation, installation keyway are formed by key with rotating shaft 6 and connected, and realize tangentially matching somebody with somebody between rotating shaft 6 and drive socket 3
Close, realize that rotating shaft 6 drives the high-speed rotation of rotary drum body, rotating shaft 6 selects carbon steel or steel alloy to be made, rotating shaft 6 it is upper
End beyond the upper end of pressure cylinder 103 and on have external screw thread, the external screw thread is combined with locknut 7, and locknut 7 compresses pressure cylinder 103, a point weir body 1 enters
And each section, each section of drive socket 3 of drum body 2 are compressed, divide and heavy phase cavity volume is provided between the top of weir body 1 and pressure cylinder 103
104, heavy phase cavity volume 104 connects with heavy phase channels 102, the upper end open of heavy phase cavity volume 104, and pressure cylinder 103 stretches out opening, divides weir body
1 upper end connection heavy phase weir plate 8, is provided with the heavy out 105 of annular between heavy phase weir plate 8 and pressure cylinder 103, heavy phase weir plate 8 can be with
Annular element can also be the annular element of multi-part composition, and point weir body 1,2 each section of drum body are integrally molded to by composite
Type, composite are thermoplasticity or thermosets.
The embodiment two of centrifugal extractor：Different from embodiment one, the connection between module 4 can not use male and female card
Head, and select to be the parts such as hasp, to realize the dismountable connection of its sealing, specifically namely rouse each section of body, transmission
Each intersegmental connection of sleeve.
The fixed seal connection being related in centrifugal extractor is each intermodule for realizing composition drum body, and drum body
2 and divide between weir body 1, the fast and reliable connection between pressure cylinder 103 and drive socket 3, either male and female dop or independent
The hasp of setting can realize this function, and its function is not distinguished；The present invention eliminates drum using the drum top suspension structure of body 2
The bearings of the lower end of body 2 and centrifuge housing and mechanical seal, and need not consider the axiality between metal (upper simplify from
The processing technology of scheming, reduces the dynamically balanced regulated quantity of centrifugal extractor, and has fundamentally prevented centrifugal extractor machinery
Seal failure and the generation of leakage, reduce maintenance cost.
The embodiment of the preparation method of the preparation method of centrifugal extractor rotary drum：
S1, the injection mold of module 4 for dividing weir body 1 and forming 2 each section of drum body is made according to design requirement, should in the step
The making precision of the strict control mould is to ensure to rouse the making precision of body 2；
S2, using thermosetting or thermoplastic composite to dividing weir body 1,2 each section of drum body to carry out Unitarily molded shaping；
S3, carry out deburring and trimming to obtaining blank so that the fit precision between each part reaches requirement；
S4, by male and female dop drum body 2 each section is attached, in order to ensure the sealing effectiveness of connection, male and female card
Sealing gasket is set at head, and the shaft end of rotating shaft 6 is fixedly connected with the axially position that shaft-cup 5 realizes rotating shaft 6, while drive socket 3 passes through
Key is realized tangentially oriented with rotating shaft 6, and causes the upper end of rotating shaft 6 by pressure cylinder 103, point lower end of weir body 1 carries out sealing company with drum body 2
Connect, locknut 7 be connected in rotating shaft 6, turn locknut 7, by locknut 7 further compress divide weir body 1 with drum 2 each section of body and
Pressure cylinder 103 and drive socket 3, it is ensured that reliable axially position；
S5, by bolt heavy phase weir plate 8 is fixed on point corresponding to weir body 1 on upper surface, pump impeller 205 is arranged on charging
At terminal 203；
S6, adjustment, dynamic balancing measurement is carried out to drum body 2, amount of unbalance adjustment is carried out to drum body 2 according to test result.
Dividing weir body, each section moulding technology method of drum body to realize in upper step method, after molded, using it is public,
Master card head or hasp connection, are compressed finally by locknut, and processing technology is simple, with short production cycle, greatly save its making
Cost, greatly improve production efficiency and use composite, alleviate bulging weight, meet that centrifugal extractor lightweight will
Ask, more low energy, improve the competitiveness of product, separately using ripe moulding technology, selected material purchases are convenient,
Make rapidly, composite drum body strong alkali-acid resistance corrosion, meet extraction process requirement.
Claims (9)
1. centrifugal extractor rotary drum, including the rotary drum body for tubular, rotary drum body is by dividing weir body（1）With drum body（2）Form, point
Weir body（1）Positioned at drum body（2）Top, divide weir body（1）With drum body（2）The cavity for centrifugal extractor mixing liquid is formed, point
Weir body（1）Be respectively equipped with light phase passage（101）And heavy phase channels（102）, it is characterised in that drum body（2）With dividing weir body（1）For
Split-type structural, described drum body（2）It is made up of multi-segmental, above-mentioned multi-segmental is comprised at least with dividing weir body（1）What lower end coordinated
Discharging section（201）With the feed zone at charging aperture（202）, divide weir body（1）With drum body（2）, drum body（2）Can between adjacent segment
Dismantle fixed seal connection, drum body（2）Drive socket is provided with inside center（3）, drive socket（3）For with rousing body（2）Each section
Sectional type structure corresponding to section, drive socket（3）Each section and corresponding drum body（2）Each section is fixedly connected to form bulging body
（2）Module（4）, divide weir body（1）Center at be provided with and drive socket（3）Corresponding pressure cylinder（103）, drive socket（3）'s
Lower end is detachably fixed connection shaft-cup（5）, shaft-cup（5）Edge exceeds rotating shaft（6）The diameter of axle and drive socket（3）Lower end edge is formed
Drive socket（3）Axial positioning structure, drive socket（3）Each section between be detachably fixed sealed connection, drive socket
（3）With pressure cylinder（103）It is provided with and rotating shaft at stacking installation and center（6）The installation keyway of cooperation, rotating shaft（6）Stop with installation keyway
Turn to coordinate.
2. centrifugal extractor rotary drum according to claim 1, it is characterised in that described module（4）It is integrally formed.
3. according to any described centrifugal extractor rotary drum of claim 1,2, it is characterised in that the rotating shaft（6）Upper end surpass
Go out pressure cylinder（103）Upper end and on have external screw thread, the external screw thread is combined with locknut（7）, locknut（7）Compress pressure cylinder（103）, divide weir body
（1）And then cause drum body（2）Each section, drive socket（3）Each section between compress realize sealing.
4. centrifugal extractor rotary drum according to claim 3, it is characterised in that described divides weir body（1）Top and pressure cylinder
（103）Between be provided with heavy phase cavity volume（104）, heavy phase cavity volume（104）With heavy phase channels（102）Connection, heavy phase cavity volume（104）Upper end
Opening, and pressure cylinder（103）Opening is stretched out, divides weir body（1）Upper end connects heavy phase weir plate（8）, heavy phase weir plate（8）With pressure cylinder（103）
Between be provided with annular heavy out（105）.
5. centrifugal extractor rotary drum according to claim 4, it is characterised in that heavy phase weir plate（8）By single circular portion
Part is formed or heavy phase weir plate forms circular ring by multiple component combinations.
6. according to the centrifugal extractor rotary drum described in claim 4,5, it is characterised in that described drum body（2）For straight barrel type knot
Structure, feed zone（202）Lower vertical extends into the charging terminal of straight barrel type structure（203）, feed zone（202）With discharging section
（201）Between be provided with linkage section（204）, feed terminal（203）It is interior to be provided with pump impeller（205）, drum body（2）Each section, drive socket
（3）The male and female dop to form clamping is offered on the end face of each section, sealing gasket is provided between male and female dop.
7. centrifugal extractor rotary drum according to claim 6, it is characterised in that described divides weir body（1）With drum body（2）Respectively
Section is arranged on rotating shaft（6）On, with rotating shaft（6）Rotate at a high speed, above-mentioned rotary drum（6）It is made by steel alloy, pump impeller（205）For
Axial flow type impeller.
8. according to any described centrifugal extractor rotary drum of claim 1,2,4,5,7, it is characterised in that described divides weir body
（1）, drum body（2）By the Unitarily molded shaping of composite, composite is thermoplasticity or thermosets.
9. the preparation method of centrifugal extractor rotary drum, its step is as follows：
S1, made according to design requirement and divide weir body（1）With drum body（2）The injection mold of each section, should strictly it control in the step
The making precision of molding jig is to ensure to rouse body（2）Making precision；
S2, using thermosetting or thermoplastic composite to dividing weir body（1）, drum body（2）Each section carries out Unitarily molded shaping；
S3, carry out deburring and trimming to obtaining blank so that the fit precision between each part reaches requirement；
S4, by male and female dop will drum body（2）Each section is attached, in order to ensure the sealing effectiveness of connection, male and female dop
Place sets sealing gasket, rotating shaft（6）Shaft end be fixedly connected with shaft-cup（5）Realize rotating shaft（6）Axially position, while drive socket
（3）Pass through key and rotating shaft（6）Realize it is tangentially oriented, and cause rotating shaft（6）Upper end passes through pressure cylinder（103）, divide weir body（1）Lower end with
Drum body（2）It is connected and sealed, by locknut（7）It is connected to rotating shaft（6）On, turn locknut（7）, by locknut（7）Further pressure
Tightly divide weir body（1）With drum body（2）Each section and pressure cylinder（103）With drive socket（3）, it is ensured that reliable axially position；
S5, by bolt by heavy phase weir plate（8）It is fixed on a point weir body（1）On corresponding upper surface, by pump impeller（205）Be arranged on into
Expect terminal（203）Place；
S6, adjustment, to drum body（2）Dynamic balancing measurement is carried out, according to test result to drum body（2）Carry out amount of unbalance adjustment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610588632.3A CN106075952B (en) | 2016-07-25 | 2016-07-25 | The preparation method of centrifugal extractor rotary drum and the rotary drum |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610588632.3A CN106075952B (en) | 2016-07-25 | 2016-07-25 | The preparation method of centrifugal extractor rotary drum and the rotary drum |
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| CN106075952B true CN106075952B (en) | 2018-02-09 |
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| CN107119197A (en) * | 2017-05-16 | 2017-09-01 | 郑州天萃取科技有限公司 | The method that salt lake carries lithium is carried out using centrifugal extractor |
| CN107096384B (en) * | 2017-05-16 | 2019-07-30 | 郑州天一萃取科技有限公司 | The method for extracting lithium isotope 6Li using centrifugal extractor |
| CN111068359A (en) * | 2019-12-24 | 2020-04-28 | 苏州增华新能源科技有限公司 | Rotary drum extraction unit and centrifugal extractor comprising same |
| CN112791445A (en) * | 2021-04-08 | 2021-05-14 | 广州市点滴生物科技有限公司 | Raw and other materials centrifugal extraction equipment for bio-pharmaceuticals |
| CN114588850B (en) * | 2022-03-03 | 2023-05-16 | 清华大学 | Integrated microreactor for liquid-liquid heterogeneous exothermic reactions and method of use |
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| CN105013209A (en) * | 2014-04-30 | 2015-11-04 | 郑州天一萃取科技有限公司 | Mixed feeder for centrifugal extractor |
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| US5267936A (en) * | 1991-04-08 | 1993-12-07 | Societe Robatel | Multi-stage centrifugal extractors for separating liquids of differing densities wherein recycling of portions of the separated liquids occurs at each stage |
| CN201668975U (en) * | 2010-03-12 | 2010-12-15 | 上海圣得生物工程技术有限公司 | Miniature centrifugal extractor |
| CN103349851B (en) * | 2013-07-26 | 2015-10-14 | 玄浩 | A kind of centrifugal extractor |
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