CN109517621A - A kind of continous way slurry oil electrostatic separator and separation system and separation method - Google Patents
A kind of continous way slurry oil electrostatic separator and separation system and separation method Download PDFInfo
- Publication number
- CN109517621A CN109517621A CN201811623442.6A CN201811623442A CN109517621A CN 109517621 A CN109517621 A CN 109517621A CN 201811623442 A CN201811623442 A CN 201811623442A CN 109517621 A CN109517621 A CN 109517621A
- Authority
- CN
- China
- Prior art keywords
- slurry oil
- flushing liquor
- outer cylinder
- continous way
- bottom cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
- C10G53/08—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one sorption step
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G32/00—Refining of hydrocarbon oils by electric or magnetic means, by irradiation, or by using microorganisms
- C10G32/02—Refining of hydrocarbon oils by electric or magnetic means, by irradiation, or by using microorganisms by electric or magnetic means
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention proposes a kind of continous way slurry oil electrostatic separator and separation system and separation methods.The present invention includes outer cylinder, and the inside of outer cylinder is equipped with the inner cylinder of concentric setting, and several pieces of partitions being arranged along the vertical direction are equipped between inner cylinder and outer cylinder；The top of outer cylinder is equipped with rotationally connected top cover, and top cover is equipped with slurry oil import and flushing liquor import；The bottom of outer cylinder is equipped with sieve plate, and the bottom of sieve plate is equipped with rotationally connected bottom cover, and bottom cover is equipped with slurry oil outlet and flushing liquor outlet.Flushing liquor of the present invention from flushing liquor import injection and exports discharge by flushing liquor, then rotates top cover, and slurry oil carries out purified treatment from slurry oil import injection treatment region, then rotates bottom cover, and treated, and slurry oil is discharged by slurry oil outlet, circuits sequentially；The present invention realizes continuous production, and flushing process and decontamination process are not interfere with each other, and it is convenient to rinse, and separative efficiency is higher, can be adjusted according to different operating conditions, wide adaptation range, it is easy to accomplish automation control.
Description
Technical field
The present invention relates to the technical field of slurry oil purified treatment, particularly relate to a kind of continous way slurry oil electrostatic separator and
Separation system and separation method.
Background technique
Currently, China's catalytic cracking year processing capacity alreadys exceed 1.5 hundred million tons, the yield of slurry oil accounts for about catalytic cracking treating capacity
5-10%, catalytic cracking byproduct slurry oil yield increases year by year.Due to containing a large amount of catalyst particles in catalytic cracked oil pulp
Grain and condensed-nuclei aromatics, catalyst green coke is easily made during recycle freshening and releases a large amount of heat, make the safety of device with
Stability reduces；Moreover, seriously affecting the product property and quality of catalytic cracking.Therefore, for catalytic cracked oil pulp, in order to mention
The processing capacity of high catalytic cracking unit, refinery generally take to reduce slurry oil recycle ratio and increase production the outer reply for getting rid of part slurry oil and arrange
It applies.
Containing solid particles such as catalyst in this externally extracting oil, seriously affects the quality of slurry oil and utilize again.Currently,
The purifying treatment method of this externally extracting oil mainly includes natural sedimentation, centrifugal separation, is separated by filtration method, solvent extraction
With electrostatic separation method etc..Although natural sedimentation equipment is simple, operating cost is low, operation is easy, sedimentation time length,
Separation temperature is high, takes up a large area, low separation efficiency, it is difficult to reach the requirement of deep processing.Centrifugal separation, for 10 μm or more
The removal effect of solid particle is preferable, and in the industrial production, more high-power centrifuges need to be equipped with, investment is big, operating cost
It is high.It is separated by filtration method, industrial application is more universal, and operating cost is lower, and it is preferable for large-sized solid removal effect, but
It is to need to develop special filter when removing micron order fine particle, the development of filtering material and the backwash of filter are equal
It is the difficult point of the technology.Solvent extraction, solvent usage is big, and operating cost is higher, although can be transferred to most particles
In raffinating oil, but main problem is that the oily yield of extraction is too low, and largely raffinates oil and be difficult to find that outlet.It is quiet using high pressure
The method of Electro Sorb is a kind of slurry oil purified treatment having gradually developed in recent years come the solid particle removed in externally extracting oil
Technology is primarily adapted for use in the lesser solid particle of particle separation diameter.Currently, this method usually will appear medium electricity in the industrial production
The phenomenon that conductance increases, operation voltage declines and purification efficiency declines, so that power supply Frequent trip is caused, so that backwash
The frequency increases, and device stability is deteriorated, and operation difficulty increases, poor with effect.
Summary of the invention
The present invention proposes a kind of continous way slurry oil electrostatic separator and separation system and separation method, solves existing skill
Slurry oil high-pressure electrostatic adsorption method in art is mostly poor with device stability in the presence of the backwash frequency and it is caused to cannot achieve continuously
Change processing and the problem with effect difference.
A kind of continous way slurry oil electrostatic separator of the invention, technical solution are achieved in that including outer cylinder, institute
Stating outer cylinder is cathode, and the inside of the outer cylinder is equipped with the inner cylinder of concentric setting, and the inner cylinder is anode, the inner cylinder with it is described
Several pieces of partitions being arranged along the vertical direction are equipped between outer cylinder, the partition will be divided between the inner cylinder and the outer cylinder
Several treatment regions, the treatment region is interior to be equipped with filler；The top of the outer cylinder is equipped with rotationally connected top cover, the top
It covers and is equipped with slurry oil import and flushing liquor import；The bottom of the outer cylinder is equipped with sieve plate, the sieve plate and the fixed company of the outer cylinder
It connects；The bottom of the sieve plate is equipped with rotationally connected bottom cover, and the bottom cover is equipped with compatible with the slurry oil import
Slurry oil outlet and flushing liquor compatible with flushing liquor import outlet.
Outer cylinder of the invention is usually that stainless steel material is made, and outer cylinder is cathode, is a hollow cylinder shaped, and inner cylinder is logical
It is often made of copper product, inner cylinder is anode, and inner cylinder is also possible to hollow cylinder shaped, applies voltage between outer cylinder and inner cylinder and is
The high-voltage electricity of 5-13Kv；Multiple independent treatment regions are formed by partition between outer cylinder and inner cylinder, in the rotation of top cover and bottom cover
Under effect, each treatment region can rinse with complete independently, the operation of high-pressure electrostatic processing and discharge treated slurry oil.Flushing liquor
It is injected from flushing liquor import, rinses the filler in treatment region, the flushing liquor rinsed is exported in flushing liquor and is discharged；Then rotation top
Lid, slurry oil carries out high-pressure electrostatic separating treatment from slurry oil import injection treatment region, after being disposed, rotates bottom cover, makes bottom cover
On slurry oil outlet be aligned with the sieve pore of high-pressure electrostatic treatment region upper sieve plate, the slurry oil after purified treatment by slurry oil outlet discharge,
It circuits sequentially.Present invention accomplishes quantity-produced needs, flushing process and decontamination process are not interfere with each other, and are rinsed more square
Just, flushing frequency is few, and separative efficiency is higher, good operation stability, can be adjusted according to different operating conditions, wide adaptation range,
Control easy to automate.
Embodiment as one preferred, the outside of the sieve plate are equipped with fixing seat, and the outside of the outer cylinder is equipped with solid
Determine ring, the fixed ring is connected with the fixing seat by fastener.Sieve plate is fixedly connected by fixing seat with outer cylinder, connection side
Just, fixation, moreover, sieve plate can disassemble, convenient cleaning, maintenance and maintenance to sieve plate.Fastener can be spiral shell
Any one in bolt, screw or rivet.Under normal conditions, fixing seat and sieve plate are wholely set, and are had on sieve plate very much
Sieve pore, fixed ring are fixed on the outer wall of outer cylinder.
Embodiment as one preferred is equipped with compatible with the outer cylinder between the fixing seat and the sieve plate
First card slot, the sieve plate are equipped with separation trough compatible with the partition.Outer cylinder and sieve plate are clamping connection in the present invention,
Outer cylinder is caught in the first card slot, and sealing ring can be set in the first card slot, realizes the sealed connection of outer cylinder and sieve plate, connection letter
Single, good airproof performance prevents slurry oil from leaking out.Equally, under the action of separation trough, the inside of partition borrowing sieve plate, isolation effect is good,
The independence for having fully ensured that each treatment region makes mutually noiseless between it.
Embodiment as one preferred, the bottom cover are equipped with centre bore compatible with the inner cylinder, the bottom
Lid is connect by the centre bore with the inner cylinder.Inner cylinder extends above and below outer barrel, and inner cylinder up extends to the interior of top cover
The inside in portion, top cover is equipped with rotation hole compatible with inner cylinder；Inner cylinder extends downwardly, and the inside of bottom cover is extended to across sieve plate,
Sieve plate is equipped with through-hole, and inner cylinder passes through the centre bore on through-hole arrival bottom cover, consolidates bottom cover by fixing piece in the inside of bottom cover
Determine on the inner cylinder, such as: it is equipped with location hole on the inner cylinder, the positioning pin being adapted to therewith is equipped in positioning hole, to limit bottom
The movement of lid in the vertical direction.This inner cylinder is connected to the inside of bottom cover, keeps whole device appearance clean and tidy.
Embodiment as one preferred, the bottom of the sieve plate are equipped with bulge loop, and the bottom cover is equipped with the bulge loop
Compatible groove.Under the packing interaction of bulge loop and groove, realize sieve plate with bottom cover being fastenedly connected in the vertical direction,
At the same time it can also realize the rotary motion of bottom cover.Under normal conditions, top cover and bottom cover are to drive it to be revolved by variable-frequency motor
Transhipment is dynamic, and rotation speed can be adjusted according to different operating conditions.According to different operating conditions, adjustable motor speed is controlled with this
The rotation speed of top cover and bottom cover adjusts electrostatic separation time and washing time with this, to reach maximum benefit.
Embodiment as one preferred, the bottom cover include the first lid, the second lid and connection described first
The cover rim of lid and second lid, first lid is equipped with to be exported with slurry oil outlet, the flushing liquor respectively
Compatible slurry oil sieve pore, flushing liquor sieve pore, the slurry oil outlet and flushing liquor outlet are both secured to second lid
On, the slurry oil outlet and flushing liquor outlet are arranged in funnel type.Bottom cover is by the first lid, the second lid and cover rim group
At appearance is clean and tidy, corresponding with the sieve pore on sieve plate consistent after slurry oil sieve pore and the rotation of flushing liquor sieve pore；When flushing, rinse
Liquid import is aligned in the axial direction with flushing liquor outlet, and flushing liquor sieve pore is aligned with the sieve pore of sieve plate；After separating electrostatic treatment
Slurry oil when, slurry oil sieve pore is aligned with the sieve pore of sieve plate.Slurry oil outlet and flushing liquor outlet, which up extend, is directly anchored to first
Slurry oil sieve pore and flushing liquor sieve pore are gathered in the bottom of lid respectively, are come out by slurry oil sieve pore and flushing liquor sieve pore purified
The flushing liquor that slurry oil and flushing finish respectively enters slurry oil outlet and flushing liquor outlet；Slurry oil outlet and flushing liquor are exported to downward
It stretches and is fixed on the second lid, and convex dew facilitates connection slurry oil storage tank and rinse liquid storage tank, appearance is whole to the outside of the second lid
Clean, liquid is smooth out.
Embodiment as one preferred, the top cover is equipped with the second card slot compatible with the outer cylinder, described
Filler is spherical glass pearl, and the diameter of the spherical glass pearl is 0.8-4.0mm.Top cover passes through the second card slot and outer cylinder card
It connecing in succession, outer cylinder is caught in the second card slot, and sealing ring can be set in the second card slot, realize the sealed connection of outer cylinder and top cover,
Connection is simple, and good airproof performance rotates freely.
Embodiment as one preferred, the outer cylinder are equipped with overflow port.The middle and upper part of outer cylinder offers overflow port,
When oil inlet quantity is excessive, extra slurry oil can be drawn by overflow port.Under normal conditions, the pump of slurry oil import and pressure fluctuation
Sensor is connected, and when overflow port has slurry oil outflow, stops pump, prevents the flow of slurry oil excessive.Under normal conditions, partition six
There are six independent treatment region between block, i.e. outer cylinder and inner cylinder, six pieces of partitions can be freely disassembled and adjust according to the actual situation
Section is set, and so as to adjust the size for the treatment of region, the ratio of electrostatic separation time and washing time are controlled with this, to reach maximum
Benefit.
A kind of continous way slurry oil electrostatic separation system of the invention, technical solution are achieved in that including according to upper
Continous way slurry oil electrostatic separator described in any one of face；The input terminal of the continous way slurry oil electrostatic separator passes through
Surge tank is connected with pretreatment slurry oil storage tank, and the output end of the continous way slurry oil electrostatic separator is connected with the oil purified
Starch storage tank；The output end of the continous way slurry oil electrostatic separator also passes through surge tank and is connected with flushing liquor settling tank, described
The top of flushing liquor settling tank is connect by surge tank with the continous way slurry oil electrostatic separator, the flushing liquor settling tank
Bottom be connected with high solids content rinse liquid storage tank.
Continous way slurry oil electrostatic separation system of the present invention forms two closed circuits, and a circuit is purified treatment circuit,
One circuit is flush loop；Two circuits are not interfere with each other, even running, realize the continous way purified treatment of slurry oil；It rinses
Convenient, separating effect is high, can be adjusted according to different operating conditions, wide adaptation range, it is easy to accomplish automation control.To containing admittedly
It measures higher slurry oil and may also pass through cyclone and pre-processed, then, enter back into pretreatment slurry oil storage tank, and pass through surge tank
Into continous way slurry oil electrostatic separator to carry out high-pressure electrostatic separating treatment, purified slurry oil is finally obtained.It is rinsing
Settling aids can be added in liquid settling tank, obtain more pure flushing liquor after sedimentation, it can iterative cycles utilization；It is used
The ratio of settling aids and flushing liquor is 0.3:1, and settling aids are preferably the mixed solvent that light oil adds washing oil.
A kind of continous way slurry oil electrostatic separating method of the invention, technical solution are achieved in that according to above
In continous way slurry oil electrostatic separator described in any one, comprising the following steps: 1) top cover and bottom cover are rotated, on top cover
In the same treatment region, flushing liquor is injected described by flushing liquor import for flushing liquor outlet in flushing liquor import and bottom cover
Area is managed, the filler in treatment region is rinsed, the flushing liquor after flushing exports discharge by the flushing liquor on bottom cover, completes rushing for treatment region
Wash work；2) top cover and bottom cover are continued to rotate, flushing liquor is rinsed work in next treatment region, at this point, by step 1)
In treatment region after flushing, the slurry oil import on top cover is directed at the treatment region, also, the slurry oil on bottom cover exports not in the processing
Area, the treatment region are high-pressure electrostatic treatment region, and the slurry oil of processing to be clean enters the treatment region by slurry oil import, it is quiet to carry out high pressure
Electrodecontamination processing；3) continue to rotate top cover and bottom cover, flushing liquor goes successively to next treatment region and is rinsed work, slurry oil into
Mouthful it is directed at next high-pressure electrostatic treatment region, injection slurry oil is gone forward side by side the processing of horizontal high voltage electrostatic depuration, meanwhile, the slurry oil on bottom cover goes out
Mouth is aligned with the sieve pore of the high-pressure electrostatic treatment region upper sieve plate described in step 2), and the slurry oil after purified treatment is exported by slurry oil and arranged
Out；4) step 3) is repeated, realizes the continous way purified treatment of slurry oil.
Slurry oil of the invention fills filler when carrying out electrostatic separation processing in treatment region, filler is being filled out by high voltage polarization
Material contact point is formed about very strong electric-force gradient, has very strong adsorption capacity, can be with adsorbent solid particle；Rotate top cover, punching
Washing lotion first from flushing liquor import inject treatment region, rinse filler, the flushing liquor rinsed from bottom by corresponding sieve pore from
Flushing liquor outlet discharge；Continue to rotate top cover, flushing liquor rinses next treatment region, and the treatment region for rinsing completion then passes through slurry oil
Slurry oil is injected in import, the solid particle in high-pressure electrostatic treatment region separation slurry oil；After electrostatic separation is disposed, bottom is rotated
Lid, the sieve pore area coincidence on the sieve plate of slurry oil outlet and the treatment region on bottom cover, the slurry oil handled can pass through
Slurry oil outlet discharge；Finally, the region is rinsed liquid flushing again by rotation bottom cover and top cover, completes a job and follow
Ring realizes the separation to slurry oil and solid particle；Its flushing frequency is few, and separative efficiency is higher, good operation stability.
Compared with prior art, the beneficial effects of the present invention are: being formed between outer cylinder and inner cylinder of the invention by partition
Multiple independent treatment regions, under the turning effort of top cover and bottom cover, each treatment region can be with complete independently flushing, high-pressure electrostatic
The operation of processing and discharge treated slurry oil.Flushing liquor is injected from flushing liquor import, is rinsed the filler in treatment region, has been rinsed
Flushing liquor flushing liquor export be discharged；Then rotation top cover, slurry oil carry out high-pressure electrostatic point from slurry oil import injection treatment region
From processing, after being disposed, bottom cover is rotated, the slurry oil on bottom cover is made to export the sieve pore pair with high-pressure electrostatic treatment region upper sieve plate
Together, the slurry oil after purified treatment is exported by slurry oil and is discharged, and is circuited sequentially.It is flushed present invention accomplishes quantity-produced needs
Journey and decontamination process are not interfere with each other, and flushing is more convenient, and flushing frequency is few, and separative efficiency is higher, good operation stability, can
To be adjusted according to different operating conditions, wide adaptation range, it is easy to accomplish automation control.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic perspective view of one embodiment of the invention；
Fig. 2 is the schematic view of the front view of Fig. 1；
Fig. 3 is the side structure schematic view of Fig. 2；
Fig. 4 is the overlooking structure diagram of Fig. 2；
Fig. 5 be in Fig. 2 A-A to schematic cross-sectional view；
Fig. 6 is B-B direction schematic cross-sectional view in Fig. 2；
Fig. 7 be in Fig. 2 C-C to schematic cross-sectional view；
Fig. 8 be in Fig. 2 D-D to schematic cross-sectional view；
Fig. 9 be in Fig. 2 E-E to schematic cross-sectional view；
Figure 10 is sieve plate forward direction schematic perspective view in Fig. 1；
Figure 11 is the reversed schematic perspective view of sieve plate in Fig. 1；
Figure 12 is bottom cover forward direction schematic perspective view in Fig. 1；
Figure 13 is the reversed schematic perspective view of bottom cover in Fig. 1；
Figure 14 is top cover forward direction schematic perspective view in Fig. 1；
Figure 15 is the reversed schematic perspective view of top cover in Fig. 1；
Figure 16 is the planar structure schematic diagram using the continous way slurry oil electrostatic separation system of Fig. 1；
In figure: 1- outer cylinder；2- overflow port；3- fixed ring；4- sieve plate；5- bottom cover；6- fastener；7- slurry oil import；8- punching
Washing lotion import；9- top cover；The outlet of 10- flushing liquor；The outlet of 11- slurry oil；12- inner cylinder；13- partition；14- fixing seat；15- slurry oil sieve
Hole；16- flushing liquor sieve pore；The first lid of 17-；18- cover rim；19- separation trough；The first card slot of 20-；21- bulge loop；22- groove；
The second card slot of 23-；The second lid of 24-；
A- pre-processes slurry oil storage tank；B- surge tank；The slurry oil storage tank that C- has been purified；D- flushing liquor settling tank；E- large arch dam
Amount rinses liquid storage tank；F- slurry oil electrostatic separator.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Refering to attached drawing 1 to attached drawing 15, a kind of continous way slurry oil electrostatic separator F of the invention, including outer cylinder 1, outer cylinder 1
For cathode, the inside of outer cylinder 1 is equipped with the inner cylinder 12 of concentric setting, and inner cylinder 12 is anode, if being equipped between inner cylinder 12 and outer cylinder 1
The partition 13 that dry block is arranged along the vertical direction, partition 13 will be divided into several treatment regions, treatment region between inner cylinder 12 and outer cylinder 1
It is interior to be equipped with filler；The top of outer cylinder 1 is equipped with rotationally connected top cover 9, top cover 9 be equipped with slurry oil import 7 and flushing liquor into
Mouth 8；The bottom of outer cylinder 1 is equipped with sieve plate 4, and sieve plate 4 is fixedly connected with outer cylinder 1；The bottom of sieve plate 4 is equipped with rotationally connected bottom
Lid 5, bottom cover 5 are equipped with slurry oil compatible with slurry oil import 7 outlet 11 and flushing liquor compatible with flushing liquor import 8 outlet
10.The present invention forms multiple independent treatment regions by partition 13 between outer cylinder 1 and inner cylinder 12, in the rotation of top cover 9 and bottom cover 5
It transfers under use, each treatment region can rinse with complete independently, the operation of high-pressure electrostatic processing and discharge treated slurry oil.It rinses
Liquid is injected from flushing liquor import 8, rinses the filler in treatment region, the flushing liquor rinsed is in 10 discharge of flushing liquor outlet；Then
Top cover 9 is rotated, slurry oil injects treatment region from slurry oil import 7 and carries out high-pressure electrostatic separating treatment, after being disposed, rotates bottom cover
5, so that the slurry oil on bottom cover 5 is exported 11 and be aligned with the sieve pore of high-pressure electrostatic treatment region upper sieve plate 4, the slurry oil after purified treatment is by oil
11 discharge of slurry outlet, circuits sequentially.Present invention accomplishes quantity-produced needs, flushing process and decontamination process are not done mutually
It disturbs, flushing is more convenient, and flushing frequency is few, and separative efficiency is higher, good operation stability, can be adjusted according to different operating conditions
Section, wide adaptation range, it is easy to accomplish automation control.
Refering to attached drawing 7, attached drawing 10 and attached drawing 11, in the present embodiment, the outside of sieve plate 4 is equipped with fixing seat 14, outer cylinder 1 it is outer
Portion is equipped with fixed ring 3, fixed ring 3 and fixing seat 14 and is connected by fastener 6.Sieve plate 4 connects by the way that fixing seat 14 and outer cylinder 1 are fixed
It connects, easy to connect, fixation, moreover, sieve plate 4 can disassemble, convenient cleaning, maintenance and maintenance to sieve plate 4.Fastening
Part 6 can be any one in bolt, screw or rivet.Under normal conditions, fixing seat 14 and sieve plate 4 are wholely set,
There are many sieve pores, fixed ring 3 is fixed on the outer wall of outer cylinder 1 on sieve plate 4.In addition, being set between fixing seat 14 and sieve plate 4
There is first card slot 20 compatible with outer cylinder 1, sieve plate 4 is equipped with separation trough 19 compatible with partition 13.Outer cylinder 1 in the present invention
It is clamping connection with sieve plate 4, the bottom of outer cylinder 1 is caught in the first card slot 20, sealing ring can also be arranged in the first card slot 20, realizes
The sealed connection of outer cylinder 1 and sieve plate 4, connection is simple, and good airproof performance prevents slurry oil from leaking out.Equally, in the effect of separation trough 19
Under, the inside of 13 borrowing sieve plate 4 of partition, isolation effect is good, has fully ensured that the independence of each treatment region, makes mutual nothing between it
Interference.The bottom of sieve plate 4 is equipped with bulge loop 21, and bottom cover 5 is equipped with the compatible groove 22 of bulge loop 21.In bulge loop 21 and groove 22
Under packing interaction, realize sieve plate 4 with bottom cover 5 being fastenedly connected in the vertical direction, at the same time it can also realize the rotation of bottom cover 5
Transhipment is dynamic.Under normal conditions, top cover 9 and bottom cover 5 are to drive it to be rotated by variable-frequency motor, and rotation speed can root
It is adjusted according to different operating conditions.According to different operating conditions, adjustable motor speed controls the rotation speed of top cover 9 and bottom cover 5 with this
Degree, adjusts electrostatic separation time and washing time with this, to reach maximum benefit.
Refering to attached drawing 8, attached drawing 9, attached drawing 12 and attached drawing 13, in the present embodiment, bottom cover 5 is equipped with compatible with inner cylinder 12
Centre bore, bottom cover 5 are connect by centre bore with inner cylinder 12.Inner cylinder 12 extends up and down in 1 inside of outer cylinder, and inner cylinder 12 up extends to
The inside of the inside of top cover 9, top cover 9 is equipped with rotation hole compatible with inner cylinder 12；Inner cylinder 12 extends downwardly, and prolongs across sieve plate 4
The inside of bottom cover 5 is reached, sieve plate 4 is equipped with through-hole, and inner cylinder 12 passes through through-hole and reaches the centre bore on bottom cover 5, in bottom cover 5
Portion is fixed on bottom cover 5 on inner cylinder 12 by fixing piece, such as: on inner cylinder 12 be equipped with location hole, positioning hole be equipped with
Adaptation positioning pin, to limit the movement of bottom cover 5 in the vertical direction；This inner cylinder 12 is connected to the inside of bottom cover 5, makes
Whole device appearance is clean and tidy.Bottom cover 5 includes the first lid 17, the second lid 24 and the first lid 17 of connection and the second lid 24
Cover rim 18, the first lid 17 be equipped with respectively with slurry oil outlet 11, flushing liquor export 10 compatible slurry oil sieve pores 15, rinse
Liquid sieve pore 16, slurry oil outlet 11 and flushing liquor outlet 10 are both secured on the second lid 24, slurry oil outlet 11 and flushing liquor outlet
10 are arranged in funnel type.Bottom cover 5 is made of the first lid 17, the second lid 24 and cover rim 18, and appearance is clean and tidy, and bottom cover 8 is the
One lid 17 and the second lid 24 two layers, to facilitate the connection of itself and inner cylinder 12, slurry oil sieve pore 15 and flushing liquor sieve pore 16 with
Sieve pore on sieve plate 4 is corresponding consistent；When flushing, flushing liquor import 8 is aligned in the axial direction with flushing liquor outlet 10, flushing liquor
Sieve pore 16 is aligned with the sieve pore of sieve plate 4；Separate electrostatic treatment after slurry oil when, slurry oil sieve pore 15 is aligned with the sieve pore of sieve plate 4；Oil
Slurry outlet 11 and flushing liquor outlet 10 up extend the bottom for being directly anchored to the first lid 17, gather 15 He of slurry oil sieve pore respectively
Flushing liquor sieve pore 16, the flushing liquor point that the purified slurry oil and flushing come out by slurry oil sieve pore 15 and flushing liquor sieve pore 16 finishes
It Jin Ru not slurry oil outlet 11 and flushing liquor outlet 10；Slurry oil outlet 11 and flushing liquor outlet 10 extend downwardly and are fixed on the second lid
On 24, and convex dew facilitates connection slurry oil storage tank and rinses liquid storage tank, appearance is clean and tidy, and liquid is smooth out to the outside of the second lid 24.
Refering to attached drawing 4, attached drawing 5, attached drawing 6, attached drawing 14 and attached drawing 15, in the present embodiment, top cover 9 is equipped with and 1 phase of outer cylinder
Second card slot 23 of adaptation, filler are spherical glass pearl, and the diameter of spherical glass pearl is 0.8-4.0mm.Top cover 9 passes through the
Two draw-in groove 23 and the clamping of outer cylinder 1 connect, and the top of outer cylinder 1 is caught in the second card slot 23, sealing also can be set in the second card slot 23
Circle realizes the sealed connection of outer cylinder 1 and top cover 9, and connection is simple, and good airproof performance rotates freely.Refering to attached drawing 1,2 and of attached drawing
Attached drawing 3, outer cylinder 1 are equipped with overflow port 2.The middle and upper part of outer cylinder 1 offers overflow port 2, can will be extra when oil inlet quantity is excessive
Slurry oil is drawn by overflow port 2.Under normal conditions, the pump of slurry oil import 7 is connected with pressure pulsation sensor, when overflow port 2 has
When slurry oil flows out, stops pump, prevent the flow of slurry oil excessive.Under normal conditions, partition 13 is six pieces, i.e. outer cylinder 1 and inner cylinder 12
Between there are six independent treatment region, six pieces of partitions 13 can be freely disassembled according to the actual situation and adjusting position, to adjust
The size of whole treatment region controls the ratio of electrostatic separation time and washing time with this, to reach maximum benefit.
Outer cylinder 1 of the invention is usually that stainless steel material is made, and outer cylinder 1 is cathode, is a hollow cylinder shaped, inner cylinder
12 be usually that copper product is made, and inner cylinder 12 is anode, and inner cylinder 12 is also possible to hollow cylinder shaped；Inner cylinder 12 is connected with 5-13KV
High-voltage DC power supply, outer cylinder 1 be grounded, form high-voltage electrostatic field between outer cylinder 1 and inner cylinder 12.Partition 13 of the invention, sieve
Plate 4, top cover 9 and bottom cover 5 are that electrically insulating material is prepared.In addition, for the sake of security, it can also be in the outside of outer cylinder 1
Insulating sleeve is set, so that high-voltage electricity is isolated in the inside of insulating sleeve, further increases the security performance of operator.
A kind of continous way slurry oil electrostatic separation system of the invention, including continous way slurry oil electrostatic separation recited above dress
Set F；The input terminal of continous way slurry oil electrostatic separator F is connected with pretreatment slurry oil storage tank A, continous way oil by surge tank B
The output end of slurry electrostatic separator F is connected with the slurry oil storage tank C purified；The output of continous way slurry oil electrostatic separator F
End is also connected with flushing liquor settling tank D by surge tank B, and the top of flushing liquor settling tank D passes through surge tank B and continous way slurry oil
Electrostatic separator F connection, the bottom of flushing liquor settling tank D are connected with high solids content and rinse liquid storage tank E.Continous way oil of the present invention
It starches electrostatic separation system and forms two closed circuits, a circuit is purified treatment circuit, and a circuit is flush loop；Two
Circuit is not interfere with each other, even running, realizes the continous way purified treatment of slurry oil；It is convenient to rinse, and separating effect is high, can basis
Different operating conditions are adjusted, wide adaptation range, it is easy to accomplish automation control.Rotation may also pass through to the higher slurry oil of solid content
Stream device is pre-processed, and then, enters back into pretreatment slurry oil storage tank A, and enter continous way slurry oil electrostatic separation by surge tank B
Device F finally obtains purified slurry oil to carry out high-pressure electrostatic separating treatment.It is heavy to be added in flushing liquor settling tank D
Auxiliary agent is dropped, obtains more pure flushing liquor after sedimentation, it can iterative cycles utilization；The ratio of settling aids and flushing liquor used
Example is 0.3:1, and settling aids are preferably the mixed solvent that light oil adds washing oil.
A kind of continous way slurry oil electrostatic separating method of the invention, continous way slurry oil electrostatic separator described above
On F, comprising the following steps: 1) rotate top cover 9 and bottom cover 5, the flushing liquor outlet in the flushing liquor import 8 and bottom cover 5 on top cover 9
10 in the same treatment region, and flushing liquor injects treatment region by flushing liquor import 8, the filler in treatment region is rinsed, after flushing
Flushing liquor by bottom cover 5 flushing liquor outlet 10 discharge, complete the flushing work for the treatment of region；2) top cover 9 and bottom are continued to rotate
Lid 5, flushing liquor are rinsed work in next treatment region, at this point, in the treatment region after step 1) flushing, on top cover 9
Slurry oil import 7 be directed at the treatment region, also, the slurry oil outlet 11 on bottom cover 5, not in the treatment region, which is that high pressure is quiet
The slurry oil in electric treatment area, processing to be clean enters the treatment region by slurry oil import 7, carries out High-voltage electrostatic purification processing；3) continue
Rotation top cover 9 and bottom cover 5, flushing liquor go successively to next treatment region and are rinsed work, and slurry oil import 7 is aligned next high
Press electrostatic treatment area, injection slurry oil is gone forward side by side the processing of horizontal high voltage electrostatic depuration, meanwhile, slurry oil on bottom cover 5 outlet 11 and step 2)
High-pressure electrostatic treatment region upper sieve plate 4 sieve pore alignment, the slurry oil after purified treatment is by 11 discharge of slurry oil outlet；4) step is repeated
3) the continous way purified treatment of slurry oil, is realized.
Slurry oil of the invention fills filler when carrying out electrostatic separation processing in treatment region, filler is being filled out by high voltage polarization
Material contact point is formed about very strong electric-force gradient, has very strong adsorption capacity, can be with adsorbent solid particle；Rotate top cover 9, punching
Washing lotion first from flushing liquor import 8 inject treatment region, rinse filler, the flushing liquor rinsed from bottom by corresponding sieve pore from
10 discharge of flushing liquor outlet；Continue to rotate top cover 9, flushing liquor rinses next treatment region, and the treatment region for rinsing completion then passes through
Slurry oil is injected in slurry oil import 7, the solid particle in high-pressure electrostatic treatment region separation slurry oil；After electrostatic separation is disposed,
Bottom cover 5 is rotated, the sieve pore area coincidence on sieve plate 4 of the slurry oil outlet 11 with the treatment region on bottom cover 5, the oil handled
Slurry can export 11 discharges by slurry oil；Finally, the region is rinsed liquid flushing again by rotation bottom cover 5 and top cover 9,
A working cycles are completed, realize the separation to slurry oil and solid particle；Its flushing frequency is few, and separative efficiency is higher, and operation is steady
It is qualitative good.
Compared with prior art, the beneficial effects of the present invention are: passing through partition 13 between outer cylinder 1 and inner cylinder 12 of the invention
Multiple independent treatment regions are formed, under the turning effort of top cover 9 and bottom cover 5, each treatment region can be rinsed with complete independently, is high
Press the operation of electrostatic treatment and discharge treated slurry oil.Flushing liquor is injected from flushing liquor import 8, rinses filling out in treatment region
Material, the flushing liquor rinsed is in 10 discharge of flushing liquor outlet；Then rotation top cover 9, slurry oil from slurry oil import 7 inject treatment region into
The processing of horizontal high voltage electrostatic separation after being disposed, rotates bottom cover 5, so that the slurry oil on bottom cover 5 is exported 11 and handles with high-pressure electrostatic
The sieve pore of area's upper sieve plate 4 is aligned, and the slurry oil after purified treatment is circuited sequentially by 11 discharge of slurry oil outlet.Present invention accomplishes even
The needs of continuous production, flushing process and decontamination process are not interfere with each other, and flushing is more convenient, and flushing frequency is few, separative efficiency
Higher, good operation stability can be adjusted, wide adaptation range, it is easy to accomplish automation control according to different operating conditions.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of continous way slurry oil electrostatic separator, it is characterised in that: including outer cylinder, the outer cylinder is cathode, the outer cylinder
Inside be equipped with concentric setting inner cylinder, the inner cylinder be anode, between the inner cylinder and the outer cylinder be equipped with several pieces of edges
The partition of vertical direction setting, the partition will be divided into several treatment regions, the place between the inner cylinder and the outer cylinder
It manages and is equipped with filler in area；
The top of the outer cylinder is equipped with rotationally connected top cover, and the top cover is equipped with slurry oil import and flushing liquor import；
The bottom of the outer cylinder is equipped with sieve plate, and the sieve plate is fixedly connected with the outer cylinder；The bottom of the sieve plate is equipped with and rotates therewith
The bottom cover of connection, the bottom cover are equipped with slurry oil compatible with the slurry oil import and export and mutually fit with the flushing liquor import
The flushing liquor outlet matched.
2. continous way slurry oil electrostatic separator according to claim 1, it is characterised in that:
The outside of the sieve plate is equipped with fixing seat, and the outside of the outer cylinder is equipped with fixed ring, the fixed ring and the fixing seat
It is connected by fastener.
3. continous way slurry oil electrostatic separator according to claim 2, it is characterised in that:
The first card slot compatible with the outer cylinder is equipped between the fixing seat and the sieve plate, the sieve plate is equipped with and institute
State the compatible separation trough of partition.
4. continous way slurry oil electrostatic separator according to claim 1, it is characterised in that:
The bottom cover is equipped with centre bore compatible with the inner cylinder, and the bottom cover is connected by the centre bore and the inner cylinder
It connects.
5. continous way slurry oil electrostatic separator according to claim 4, it is characterised in that:
The bottom of the sieve plate is equipped with bulge loop, and the bottom cover is equipped with the compatible groove of the bulge loop.
6. continous way slurry oil electrostatic separator according to claim 1, it is characterised in that:
The bottom cover includes the cover rim of the first lid, the second lid and connection first lid and second lid, institute
It states the first lid and is equipped with and export compatible slurry oil sieve pore, flushing liquor sieve pore with slurry oil outlet, the flushing liquor respectively,
The slurry oil outlet and flushing liquor outlet are both secured on second lid, and the slurry oil outlet and the flushing liquor go out
Mouth is arranged in funnel type.
7. continous way slurry oil electrostatic separation system according to claim 1, it is characterised in that:
The top cover is equipped with the second card slot compatible with the outer cylinder, and the filler is spherical glass pearl, the spherical shape glass
The diameter of glass pearl is 0.8-4.0mm.
8. continous way slurry oil electrostatic separation system according to claim 1, it is characterised in that:
The outer cylinder is equipped with overflow port.
9. a kind of continous way slurry oil electrostatic separation system, it is characterised in that: including according to claim 1 described in any one of -8
Continous way slurry oil electrostatic separator；
The input terminal of the continous way slurry oil electrostatic separator is connected with pretreatment slurry oil storage tank by surge tank, described continuous
The output end of formula slurry oil electrostatic separator is connected with the slurry oil storage tank purified；
The output end of the continous way slurry oil electrostatic separator also passes through surge tank and is connected with flushing liquor settling tank, the flushing
The top of liquid settling tank is connect by surge tank with the continous way slurry oil electrostatic separator, the bottom of the flushing liquor settling tank
Portion is connected with high solids content and rinses liquid storage tank.
10. a kind of continous way slurry oil electrostatic separating method, it is characterised in that: according to claim 1 described in any one of -8
Continous way slurry oil electrostatic separator on, comprising the following steps:
1) top cover and bottom cover are rotated, the flushing liquor outlet in the flushing liquor import and bottom cover on top cover is in the same treatment region
Interior, flushing liquor injects the treatment region by flushing liquor import, rinses the filler in treatment region, the flushing liquor after flushing is by bottom cover
Flushing liquor export discharge, complete the flushing work for the treatment of region；
2) top cover and bottom cover are continued to rotate, flushing liquor is rinsed work in next treatment region, at this point, rinsing by step 1)
In treatment region afterwards, the slurry oil import on top cover is directed at the treatment region, also, the slurry oil outlet on bottom cover is in the treatment region,
The treatment region is high-pressure electrostatic treatment region, and the slurry oil of processing to be clean enters the treatment region by slurry oil import, carries out high-pressure electrostatic
Purified treatment；
3) top cover and bottom cover are continued to rotate, flushing liquor goes successively to next treatment region and is rinsed work, slurry oil import alignment
Next high-pressure electrostatic treatment region, injection slurry oil are gone forward side by side the processing of horizontal high voltage electrostatic depuration, meanwhile, the outlet of slurry oil on bottom cover and step
It is rapid 2) described in high-pressure electrostatic treatment region upper sieve plate sieve pore alignment, the slurry oil after purified treatment is exported by slurry oil to be discharged；
4) step 3) is repeated, realizes the continous way purified treatment of slurry oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623442.6A CN109517621B (en) | 2018-12-28 | 2018-12-28 | Continuous oil slurry electrostatic separation device, separation system and separation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623442.6A CN109517621B (en) | 2018-12-28 | 2018-12-28 | Continuous oil slurry electrostatic separation device, separation system and separation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109517621A true CN109517621A (en) | 2019-03-26 |
| CN109517621B CN109517621B (en) | 2023-09-19 |
Family
ID=65797995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811623442.6A Active CN109517621B (en) | 2018-12-28 | 2018-12-28 | Continuous oil slurry electrostatic separation device, separation system and separation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109517621B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358576A (en) * | 2019-07-04 | 2019-10-22 | 中国石油大学(华东) | A kind of catalytic cracked oil pulp purification system and its purification method |
| CN111349456A (en) * | 2020-04-13 | 2020-06-30 | 中国石油大学(华东) | Electrostatic separator capable of changing packing accumulation mode and cleaning method |
| CN112159681A (en) * | 2020-09-28 | 2021-01-01 | 中国石油大学(华东) | External circulation continuous type catalytic slurry oil cyclone filter |
| CN113667512A (en) * | 2021-09-06 | 2021-11-19 | 中国石油大学(华东) | Viscosity reduction and solid removal integrated device for catalytic cracking slurry oil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200077A (en) * | 1991-04-08 | 1993-04-06 | Memtec America Corporation | Backflushable rotary melt polymer filter apparatus |
| CN105854378A (en) * | 2015-01-23 | 2016-08-17 | 广西泓达生物能源科技有限公司 | Equipment for separating residual catalyst granules in catalytic cracking oil slurry |
| CN107118796A (en) * | 2017-06-20 | 2017-09-01 | 襄阳航生石化环保设备有限公司 | Slurry oil electrostatic separating method and slurry oil electrostatic separation equipment |
| CN209537397U (en) * | 2018-12-28 | 2019-10-25 | 中国石油大学(华东) | A kind of continous way slurry oil electrostatic separator and separation system |
-
2018
- 2018-12-28 CN CN201811623442.6A patent/CN109517621B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200077A (en) * | 1991-04-08 | 1993-04-06 | Memtec America Corporation | Backflushable rotary melt polymer filter apparatus |
| CN105854378A (en) * | 2015-01-23 | 2016-08-17 | 广西泓达生物能源科技有限公司 | Equipment for separating residual catalyst granules in catalytic cracking oil slurry |
| CN107118796A (en) * | 2017-06-20 | 2017-09-01 | 襄阳航生石化环保设备有限公司 | Slurry oil electrostatic separating method and slurry oil electrostatic separation equipment |
| CN209537397U (en) * | 2018-12-28 | 2019-10-25 | 中国石油大学(华东) | A kind of continous way slurry oil electrostatic separator and separation system |
Non-Patent Citations (1)
| Title |
|---|
| 何志成主编, 中国医药科技出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358576A (en) * | 2019-07-04 | 2019-10-22 | 中国石油大学(华东) | A kind of catalytic cracked oil pulp purification system and its purification method |
| CN111349456A (en) * | 2020-04-13 | 2020-06-30 | 中国石油大学(华东) | Electrostatic separator capable of changing packing accumulation mode and cleaning method |
| CN112159681A (en) * | 2020-09-28 | 2021-01-01 | 中国石油大学(华东) | External circulation continuous type catalytic slurry oil cyclone filter |
| CN112159681B (en) * | 2020-09-28 | 2022-03-08 | 中国石油大学(华东) | External circulation continuous type catalytic slurry oil cyclone filter |
| CN113667512A (en) * | 2021-09-06 | 2021-11-19 | 中国石油大学(华东) | Viscosity reduction and solid removal integrated device for catalytic cracking slurry oil |
| CN113667512B (en) * | 2021-09-06 | 2022-09-16 | 中国石油大学(华东) | Viscosity reduction and solid removal integrated device for catalytic cracking slurry oil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109517621B (en) | 2023-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109517621A (en) | A kind of continous way slurry oil electrostatic separator and separation system and separation method | |
| CN209537397U (en) | A kind of continous way slurry oil electrostatic separator and separation system | |
| CN110358576B (en) | Catalytic cracking slurry oil purification system and purification method thereof | |
| CN208785893U (en) | A kind of sewage solid-liquid separation device | |
| CN110170202A (en) | Twin drum rotary drum filter | |
| CN209174134U (en) | A kind of centrifuge convenient for separation of solid and liquid | |
| CN208303040U (en) | It is a kind of to remove filter residue solid-liquid separating machine automatically | |
| CN209128172U (en) | A kind of centrifugal oil-water separator | |
| CN104098217B (en) | Multifunctional all adhesive sewage fine treatment device | |
| CN203247168U (en) | Multifunctional integrated sticking substance waste water fine processing device | |
| CN102815801B (en) | Cyclone separation filter | |
| CN213245027U (en) | Centrifugal separation device for biological extraction | |
| CN108856125A (en) | A kind of water-saving dolly and ore washing method | |
| CN205999148U (en) | Sand and water separating system | |
| CN209270938U (en) | A kind of petrochemical industry filter device convenient for cleaning | |
| CN207243791U (en) | A kind of concentration purifying plant of earthworm antibacterial peptide | |
| CN208852487U (en) | A kind of Rosa roxburghii Tratt class refined filtration funnel fixed device | |
| CN209362038U (en) | A kind of dehydrator filter cloth high pressure automatic rinser | |
| CN206902101U (en) | Camellia seed oil finished product purifier | |
| CN207012630U (en) | A kind of oily-water seperating equipment in Jiang Suan flavored oils manufacturing process | |
| CN208711207U (en) | A kind of phosphatide separator | |
| CN206396094U (en) | A kind of mould inhibitor automatic manufacturing device | |
| CN208960146U (en) | A kind of channel separator | |
| CN108991182A (en) | A kind of tealeaves extracting method | |
| CN214077288U (en) | Traditional chinese medicine dregs of a decoction centrifuge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |