CN107020060A - A kind of Chemical Manufacture reactor - Google Patents
A kind of Chemical Manufacture reactor Download PDFInfo
- Publication number
- CN107020060A CN107020060A CN201710383488.4A CN201710383488A CN107020060A CN 107020060 A CN107020060 A CN 107020060A CN 201710383488 A CN201710383488 A CN 201710383488A CN 107020060 A CN107020060 A CN 107020060A
- Authority
- CN
- China
- Prior art keywords
- kettle
- mixing
- sieve plate
- rose box
- chemical manufacture
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/074—Stirrers characterised by their mounting on the shaft having two or more mixing elements being concentrically mounted on the same shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
- B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0046—Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/0015—Controlling the temperature by thermal insulation means
- B01J2219/00155—Controlling the temperature by thermal insulation means using insulating materials or refractories
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
Present invention mainly discloses a kind of Chemical Manufacture reactor, its technical scheme：Including main still body, control panel and the first kettle in main still body, second kettle and mixing kettle, feed arrangement is respectively connected with the upside of first kettle and the second kettle, feed arrangement includes feed hopper, Rose Box and conveying pipeline, Rose Box is connected with feed hopper and conveying pipeline respectively, conveying pipeline stretches into the inside of the first kettle and the second kettle, sieve plate is provided with Rose Box, the top of sieve plate is provided with pan mill, first kettle and the second kettle are connected by connecting tube with mixing kettle, mixing arrangement is provided with mixing kettle body, mixing arrangement includes hybrid electric motor, mix axle, mixing paddle, side scraper plate and bottom scraper plate, efferent duct is connected with mixing kettle.The present invention can be simultaneously processed to the material of differential responses condition, shorten the production time, reduce production cost, improve productivity effect.
Description
Technical field
The present invention relates to a kind of Chemical Manufacture reactor.
Background technology
The broad understanding of reactor has the container physically or chemically reacted, is matched somebody with somebody by the structure design to container and parameter
Put, realize the mixture function of heating, evaporation, cooling and the low high speed of technological requirement.Reactor be widely used in oil, chemical industry,
Rubber, agricultural chemicals, dyestuff, medicine, food, for completing to vulcanize, nitrify, hydrogenate, hydrocarbonylation, polymerization, the pressure of the technical process such as condensation
Force container.In chemical industry, reactor is essential equipment in chemical process, mixed mainly for the production of during
Close stirring and react.Present reactor is monolithic construction, and a reactor is typically only used for a kind of production of product,
And in Chemical Manufacture industry, it is often necessary to various materials carry out hybrid process, due to the differing chemical properties of every kind of material, its
The conditions such as reaction temperature, time are different, therefore can not be uniformly controlled control, when needing processing multiple product, just may require that
Multiple reactors are operated, and production site is big, and production line is longer, and the production time is long, and production difficulty is big, and production cost is high.And
General reactor is difficult that cleaning or processing are clean, always has residue and stays on reactor inwall, the life to subsequent product
Production is impacted.
The content of the invention
It is an object of the invention to many deficiencies for prior art, there is provided a kind of Chemical Manufacture reactor.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of Chemical Manufacture reactor, including main still body, the first kettle, the second kettle, mixing kettle and control panel,
First kettle, the second kettle and mixing kettle are respectively positioned on the upside of the inside of main still body, the first kettle and the second kettle and are all connected with
There is feed arrangement, feed arrangement includes feed hopper, Rose Box and conveying pipeline, and Rose Box is connected with feed hopper and conveying pipeline respectively,
Conveying pipeline stretches into and sieve plate is provided with the inside of the first kettle and the second kettle, Rose Box, and the top of sieve plate is provided with pan mill, first
Kettle and the second kettle are connected by connecting tube with mixing kettle, mixing arrangement are provided with mixing kettle body, mixing arrangement includes
Hybrid electric motor, mixing axle, mixing paddle, side scraper plate and bottom scraper plate, hybrid electric motor are connected with mixing axle, and mixing paddle is uniformly distributed
On mixing axle, side scraper plate is arranged on the left and right ends of mixing axle, and bottom scraper plate, which is arranged on the bottom of side scraper plate, mixing kettle, to be connected
It is connected to efferent duct.
Further, thermal insulation board is provided between the first kettle and the second kettle, the outside of the first kettle and the second kettle is provided with
Heating plate, heat-preservation cotton is filled between the first kettle, the second kettle and mixing kettle and main still body.The thermal insulation board of setting prevents
Interfere, it is ensured that the space and reaction environment of the first kettle and the second kettle independence, set between one kettle and the second kettle
Heating plate heated, the heat-preservation cotton of setting plays insulation effect.
Further, control panel is provided with the first controller and second controller, and the first controller is electrically connected with the first kettle
Connect, second controller is electrically connected with the second kettle.First kettle is independently controlled by the first controller and second controller
With the second kettle, it is more convenient to manipulate.
Further, the lower section of sieve plate is provided with fixed block, and fixed block is connected with sieve plate by spring, and the left and right ends of sieve plate are equal
Provided with sliding block, the medial surface of Rose Box is provided with chute, and sliding block is slided up and down on chute.The setting of spring causes sieve plate and filtering
Elastic connection is formed between case, when milling, when material gradually tails off, sieve plate is gradually increasing under the rebound effect of spring, is made
Material on sieve plate is in contact with pan mill all the time, improve grinding efficiency, it is to avoid when material is less on sieve plate pan mill without
Method touches material, while also acting as certain cushioning effect, it is to avoid more hard material causes to damage to pan mill and sieve plate
It is bad, increase the service life.Being slidably connected for sliding block and chute, limits displacement and scope so that the movement of sieve plate is more
It is stable.
Further, pan mill is provided with connecting rod, and connecting rod is connected with cylinder, and cylinder drives pan mill on sieve plate by connecting rod
Swing is milled.After reaction mass is dropped on sieve plate along feed hopper, start cylinder, the movement of cylinder drivening rod, connecting rod band
Dynamic pan mill is moved on sieve plate, so as to be milled to material, is pulverized and is more easy to reaction.
Further, the inside of the first kettle and the second kettle is equipped with agitating shaft, agitating shaft and is staggeredly distributed with length not
One stirring sheet.The stirring sheet differed by the length being staggered stirs scope extensively, stirs, and improves stirring intensity.
The present invention is by adopting the above-described technical solution, have the advantages that：
Reaction mass first passes through feed arrangement and pre-processed before reactions, and reaction mass is screened in Rose Box
With mill, its particle is diminished, uniformly, easily facilitate the processing in later stage, shorten the reaction time；First kettle of separate setting
Body and the second kettle so that different reaction masses is entered in different kettlies by feed arrangement respectively, for different anti-
The working condition of material is answered to be controlled, both are reacted simultaneously, and reaction is not interfere with each other, it is to avoid between different reaction masses
Influence each other, treat that both of which is entered back into after the completion of reacting and hybrid reaction is carried out in mixing kettle body, finally give reaction finished product；It is mixed
Attach together the setting put and both play a part of stirring mixing, but can using side scraper plate and bottom scraper plate respectively to mix the sidepiece of kettle with
Bottom is cleared up, it is to avoid mixed material is sticked on the inwall of mixing kettle, improves reaction efficiency, reduces the residual of mixed material
Stay, while being easy to cleaning, reduce the influence for subsequent product.
The present invention can be simultaneously processed to the material of differential responses condition, shorten the production time, reduce production cost,
Improve productivity effect.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation of Chemical Manufacture reactor of the invention；
Fig. 2 is the structural representation of Rose Box in the present invention.
Reference：1st, main still body；11st, heat-preservation cotton；2nd, the first kettle；3rd, the second kettle；31st, connecting tube；32nd, it is heat-insulated
Plate；33rd, heating plate；34th, agitating shaft；35th, stirring sheet；4th, kettle is mixed；41st, efferent duct；5th, control panel；51st, the first control
Device；52nd, second controller；6th, feed arrangement；61st, feed hopper；62nd, Rose Box；63rd, conveying pipeline；64th, sieve plate；65th, pan mill；
651st, connecting rod；652nd, cylinder；66th, fixed block；67th, spring；68th, sliding block；69th, chute；7th, mixing arrangement；71st, hybrid electric motor；
72nd, axle is mixed；73rd, mixing paddle；74th, side scraper plate；75th, bottom scraper plate.
Embodiment
As shown in Figure 1-2, it is a kind of Chemical Manufacture reactor of the invention, including main still body 1, the first kettle 2, second
Kettle 3, mixing kettle 4 and control panel 5, the first kettle 2, the second kettle 3 and mixing kettle 4 are respectively positioned on the inside of main still body 1,
Provided with thermal insulation board 32 between first kettle 2 and the second kettle 3, the outside of the first kettle 2 and the second kettle 3 is provided with heating plate 33,
Heat-preservation cotton 11 is filled between first kettle 2, the second kettle 3 and mixing kettle 4 and main still body 1.The thermal insulation board 32 of setting is prevented
Interfered between first kettle 2 and the second kettle 3, it is ensured that the first kettle 2 and the independent space of the second kettle 3 and reaction ring
Border, the heating plate 33 of setting carries out independent heating, and the heat-preservation cotton 11 of setting plays insulation effect.First kettle 2 and the second kettle 3
Inside be equipped with agitating shaft 34, agitating shaft 34 and be staggeredly distributed with stirring sheet 35 different in size.Pass through the length being staggered
Spend the stirring scope of stirring sheet 35 differed wide, stir, improve stirring intensity.
The upside of first kettle 2 and the second kettle 3 is respectively connected with feed arrangement 6, and feed arrangement 6 includes feed hopper 61, mistake
Filter box 62 and conveying pipeline 63, Rose Box 62 are connected with feed hopper 61 and conveying pipeline 63 respectively, and conveying pipeline 63 stretches into the He of the first kettle 2
Sieve plate 64 is provided with the inside of second kettle 3, Rose Box 62, the top of sieve plate 64 is provided with pan mill 65, and pan mill 65 is provided with
Connecting rod 651, connecting rod 651 is connected with cylinder 652, and cylinder 652 drives pan mill 65 to swing stone roller on sieve plate 64 by connecting rod 651
Mill.After reaction mass is dropped on sieve plate 64 along feed hopper 61, start cylinder 652, the drivening rod 651 of cylinder 652 is moved,
Connecting rod 651 drives pan mill 65 to be moved on sieve plate 64, so as to be milled to material, is pulverized and is more easy to reaction.Sieve plate 64
Lower section be provided with fixed block 66, fixed block 66 is connected with sieve plate 64 by spring 67, and the left and right ends of sieve plate 64 are equipped with sliding block
68, the medial surface of Rose Box 62 is provided with chute 69, and sliding block 68 is slided up and down on chute 69.The setting of spring 67 causes sieve plate 64
Elastic connection is formed between Rose Box 62, when milling, when material gradually tails off, rebound effect of the sieve plate 64 in spring 67
Under, it is gradually increasing so that the material on sieve plate 64 is in contact with pan mill 65 all the time, improves grinding efficiency, it is to avoid when sieve plate 64
Pan mill 65 can not touch material when upper material is less, while also acting as certain cushioning effect, it is to avoid more hard thing
Material causes to damage to pan mill 65 and sieve plate 64, increases the service life.Sliding block 68 is slidably connected with chute 69, limits movement
Distance and scope so that the movement of sieve plate 64 is more stablized.Reaction mass first passes through feed arrangement 6 and located in advance before reactions
Reason, reaction mass is screened and milled in Rose Box 62, its particle is diminished, uniformly, is easily facilitated the processing in later stage,
Shorten the reaction time.
First kettle 2 and the second kettle 3 are connected by connecting tube 31 with mixing kettle 4, and the first of separate setting
The kettle 3 of kettle 2 and second so that different reaction masses is entered in different kettlies by feed arrangement 6 respectively, for not
Working condition with reaction mass is controlled, and both are reacted simultaneously, and reaction is not interfere with each other, it is to avoid different reaction masses
Between influence each other, treat both of which reaction after the completion of enter back into mixing kettle 4 in carry out hybrid reaction, finally give and react into
Product, reduce reaction vessel, shorten the reaction time.Mix and mixing arrangement 7 is provided with kettle 4, mixing arrangement 7 includes hybrid electric motor
71st, mixing axle 72, mixing paddle 73, side scraper plate 74 and bottom scraper plate 75, hybrid electric motor 71 are connected with mixing axle 72, mixing paddle
73 are evenly distributed on mixing axle 72, and side scraper plate 74 is arranged on the left and right ends of mixing axle 72, and bottom scraper plate 75 is arranged on side scraper plate
Efferent duct 41 is connected with 74 bottom, mixing kettle 4.Stirring mixing, and energy are both played a part of in the setting of mixing arrangement 7
The sidepiece and bottom for mixing kettle 4 are cleared up respectively using side scraper plate 74 and bottom scraper plate 75, it is to avoid mixed material is sticked to
On the inwall for mixing kettle 4, reaction efficiency is improved, the residual of mixed material is reduced, while being easy to cleaning, reduction is for follow-up production
The influence of product.Control panel 5 is provided with the first controller 51 and second controller 52, the first controller 51 and the electricity of the first kettle 2
Connection, second controller 52 is electrically connected with the second kettle 3, independently controlled by the first controller 51 and second controller 52
First kettle 2 and the second kettle 3, it is more convenient to manipulate.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technique effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (6)
1. a kind of Chemical Manufacture reactor, including main still body (1), the first kettle (2), the second kettle (3), mixing kettle (4)
With control panel (5), first kettle (2), second kettle (3) and the mixing kettle (4) are respectively positioned on the main still
The inside of body (1), it is characterised in that：Feed arrangement is respectively connected with the upside of first kettle (2) and second kettle (3)
(6), the feed arrangement (6) include feed hopper (61), Rose Box (62) and conveying pipeline (63), the Rose Box (62) respectively with
The feed hopper (61) and the conveying pipeline (63) connection, the conveying pipeline (63) stretch into first kettle (2) and described the
Sieve plate (64) is provided with the inside of two kettlies (3), the Rose Box (62), the top of the sieve plate (64) is provided with pan mill
(65), first kettle (2) and second kettle (3) are connected by connecting tube (31) with the mixing kettle (4), institute
State to mix and mixing arrangement (7) is provided with kettle (4), the mixing arrangement (7) includes hybrid electric motor (71), mixing axle (72), mixed
Blade (73), side scraper plate (74) and bottom scraper plate (75) are closed, the hybrid electric motor (71) is connected with the mixing axle (72), described mixed
Close blade (73) to be evenly distributed on the mixing axle (72), the side scraper plate (74) is arranged on the left and right of the mixing axle (72)
Two ends, the bottom scraper plate (75) is arranged on the bottom of the side scraper plate (74), the mixing kettle (4) and is connected with efferent duct.
2. a kind of Chemical Manufacture reactor according to claim 1, it is characterised in that：First kettle (2) and institute
State and thermal insulation board (32) is provided between the second kettle (3), the outside of first kettle (2) and second kettle (3) is provided with adding
Backing (33), between first kettle (2), second kettle (3) and the mixing kettle (4) and the main still body (1)
Filled with heat-preservation cotton (11).
3. a kind of Chemical Manufacture reactor according to claim 1, it is characterised in that：Set on the control panel (5)
There are the first controller (51) and second controller (52), first controller (51) electrically connects with first kettle (2), institute
Second controller (52) is stated to electrically connect with second kettle (3).
4. a kind of Chemical Manufacture reactor according to claim 1, it is characterised in that：Set below the sieve plate (64)
There is fixed block (66), the fixed block (66) is connected with the sieve plate (64) by spring (67), the left and right of the sieve plate (64)
Two ends are equipped with sliding block (68), and the medial surface of the Rose Box (62) is provided with chute (69), and the sliding block (68) slides up and down
On the chute (69).
5. a kind of Chemical Manufacture reactor according to claim 1, it is characterised in that：The pan mill (65) is provided with
Connecting rod (651), the connecting rod (651) is connected with cylinder (652), and the cylinder (652) is driven described by the connecting rod (651)
Pan mill (65) swings on the sieve plate (64) and milled.
6. a kind of Chemical Manufacture reactor according to claim 1, it is characterised in that：First kettle (2) and institute
The inside for stating the second kettle (3) is equipped with agitating shaft (34), the agitating shaft (34) and is staggeredly distributed with stirring different in size
Piece (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383488.4A CN107020060A (en) | 2017-05-26 | 2017-05-26 | A kind of Chemical Manufacture reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383488.4A CN107020060A (en) | 2017-05-26 | 2017-05-26 | A kind of Chemical Manufacture reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107020060A true CN107020060A (en) | 2017-08-08 |
Family
ID=59529436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710383488.4A Pending CN107020060A (en) | 2017-05-26 | 2017-05-26 | A kind of Chemical Manufacture reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107020060A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144955A (en) * | 2017-12-31 | 2018-06-12 | 佛山市南海区会斌金属贸易有限公司 | A kind of environmental and ecological repair materials processing unit (plant) of soil and preparation method |
| CN109482105A (en) * | 2018-10-26 | 2019-03-19 | 惠州市强茂化工科技有限公司 | Acrylic acid reaction kettle with feed switched function pipeline |
| CN110257895A (en) * | 2019-06-24 | 2019-09-20 | 江苏守航实业有限公司 | A kind of electrolytic polishing method and device of semiconductor material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345363A (en) * | 2016-11-19 | 2017-01-25 | 郑州游爱网络技术有限公司 | High-efficiency dispensing equipment with double stirring devices |
| CN206168302U (en) * | 2016-10-09 | 2017-05-17 | 宁夏龙江化工科技有限公司 | Agitated vessel for chemical industry |
| CN206778432U (en) * | 2017-05-26 | 2017-12-22 | 宁波大学 | A kind of Chemical Manufacture reactor |
-
2017
- 2017-05-26 CN CN201710383488.4A patent/CN107020060A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206168302U (en) * | 2016-10-09 | 2017-05-17 | 宁夏龙江化工科技有限公司 | Agitated vessel for chemical industry |
| CN106345363A (en) * | 2016-11-19 | 2017-01-25 | 郑州游爱网络技术有限公司 | High-efficiency dispensing equipment with double stirring devices |
| CN206778432U (en) * | 2017-05-26 | 2017-12-22 | 宁波大学 | A kind of Chemical Manufacture reactor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144955A (en) * | 2017-12-31 | 2018-06-12 | 佛山市南海区会斌金属贸易有限公司 | A kind of environmental and ecological repair materials processing unit (plant) of soil and preparation method |
| CN108144955B (en) * | 2017-12-31 | 2021-02-12 | 佛山市南海区会斌金属贸易有限公司 | Processing device and preparation method of soil environment-friendly ecological restoration material |
| CN109482105A (en) * | 2018-10-26 | 2019-03-19 | 惠州市强茂化工科技有限公司 | Acrylic acid reaction kettle with feed switched function pipeline |
| CN110257895A (en) * | 2019-06-24 | 2019-09-20 | 江苏守航实业有限公司 | A kind of electrolytic polishing method and device of semiconductor material |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170808 |
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