CN108211869A - PVC carpet raw material mixing arrangement stirring blades - Google Patents

PVC carpet raw material mixing arrangement stirring blades Download PDF

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Publication number
CN108211869A
CN108211869A CN201810223084.3A CN201810223084A CN108211869A CN 108211869 A CN108211869 A CN 108211869A CN 201810223084 A CN201810223084 A CN 201810223084A CN 108211869 A CN108211869 A CN 108211869A
Authority
CN
China
Prior art keywords
face
stirring blade
main lobe
connecting portion
mixing arrangement
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.)
Withdrawn
Application number
CN201810223084.3A
Other languages
Chinese (zh)
Inventor
施文干
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anji Yike Decoration Material Technology Co Ltd
Original Assignee
Anji Yike Decoration Material Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anji Yike Decoration Material Technology Co Ltd filed Critical Anji Yike Decoration Material Technology Co Ltd
Priority to CN201810223084.3A priority Critical patent/CN108211869A/en
Publication of CN108211869A publication Critical patent/CN108211869A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0722—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis perpendicular with respect to the rotating axis
    • 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
    • B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
    • B01F27/054—Deformable stirrers, e.g. deformed by a centrifugal force applied during operation
    • 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
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • 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
    • B01F27/119—Stirrers with rigid wires or flexible rods
    • 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
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
    • 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
    • B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
    • B01F27/2122—Hollow shafts
    • 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
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B01F27/708—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms characterised by the shape of the stirrer as a whole, i.e. of Z- or S-shape
    • 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
    • B01F27/808—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers driven from the bottom of the receptacle
    • 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
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers
    • B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
    • 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
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2113—Pressure
    • 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
    • B01F35/90—Heating or cooling systems
    • B01F35/95—Heating or cooling systems using heated or cooled stirrers
    • 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
    • B01F35/90—Heating or cooling systems
    • B01F2035/99—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2805—Mixing plastics, polymer material ingredients, monomers or oligomers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention discloses a kind of PVC carpet raw materials mixing arrangement stirring blades, include the stirring blade monomer of a pair of setting that is centrosymmetric, stirring blade monomer is equipped with semicircle ring portion, non-slip mat is equipped on the inside of semicircle ring portion, semicircle ring portion both sides are connected separately with first connecting portion and second connecting portion, second connecting portion is connected with main lobe face through bending part, main lobe face is hinged with accessory lobes face, main lobe face is equipped with equally distributed straight slot, accessory lobes face is equipped with pressure sensor, and more steel wire ropes are equipped between main lobe face and bending part.The present invention has the advantages that mixing effect is good, maintenance cost is low, structural strength is high.

Description

PVC carpet raw material mixing arrangement stirring blades
Technical field
The present invention relates to a kind of stirring blade, particularly a kind of PVC carpet raw materials mixing arrangement stirring blade.
Background technology
PVC carpets are using PVC paste resin as made from main raw material(s), are plasticized wherein also to mix a certain proportion of DOP Mixed raw material is simultaneously heated to suitable temperature by the substances such as agent, activated Calcium carbonate, can just be obtained with making PVC after being sufficiently stirred The raw material of blanket, at present the stirring blade of PVC carpet raw materials mixing arrangement be generally an integral structure, mutually welded with agitating shaft, This blade construction intensity is low, easily deforms, and when individual blade damages, the stirring efficiency of device entirety can reduce, and needs All stirring blades to be replaced together together with agitating shaft, maintenance cost is high, in whipping process, comparison of resistance that blade is subject to Greatly so that the rotating speed of agitating shaft is unsuitable too fast, not only reduces working efficiency, and the mixing effect being not achieved.Therefore, it is existing With the presence of PVC carpet raw materials mixing arrangement with stirring blade mixing effect is poor, maintenance cost is high, structural strength is low the shortcomings that.
Invention content
The object of the present invention is to provide a kind of PVC carpet raw materials mixing arrangement stirring blades.It has mixing effect Well, the advantages of maintenance cost is low, structural strength is high.
Technical scheme of the present invention：PVC carpet raw material mixing arrangement stirring blades are centrosymmetric setting including a pair Stirring blade monomer, stirring blade monomer is equipped with semicircle ring portion, non-slip mat, semicircle ring portion both sides is equipped on the inside of semicircle ring portion First connecting portion and second connecting portion are connected separately with, second connecting portion is connected with main lobe face through bending part, and main lobe face is hinged with Accessory lobes face, main lobe face are equipped with equally distributed straight slot, and accessory lobes face is equipped with pressure sensor, is set between main lobe face and bending part There are more steel wire ropes.
In aforementioned PVC carpet raw material mixing arrangement stirring blades, in the first connecting portion and second connecting portion Equipped with threaded connection hole.
In aforementioned PVC carpet raw material mixing arrangement stirring blades, through bolt and spiral shell between the stirring blade monomer Mother's connection.
In aforementioned PVC carpet raw material mixing arrangement stirring blades, the bending part is equipped with multiple through-holes.
Compared with prior art, the present invention is made of the stirring blade monomer of a pair of setting that is centrosymmetric, stirring blade Monomer is equipped with semicircle ring portion, and two stirring blade monomers are fixed by screw bolt and nut, can be with when stirring blade breaks down Stirring blade monomer is individually replaced, reduces the maintenance cost of stirring blade；Stirring blade monomer mainly by bending Portion, main lobe face and accessory lobes face are formed, and bending part is equipped with multiple through-holes, and main lobe face is equipped with equally distributed straight slot, in this hair Bright to reduce impact of the mixed raw material to its surface when coming into operation, main lobe face is hinged with accessory lobes face, can be turned according to difference Angle between adjustment of rotational speed main lobe face and accessory lobes face, makes stirring blade monomer form certain radian, and overall structure is matched It closes so that structural strength of the present invention is high, service life is long；More steel wire ropes are equipped between main lobe face and bending part, steel wire rope is in pine Relaxation state, during the present invention rotation steel wire rope can free movement in a certain range, deeper degree fine and smooth is stirred original Material, mixing effect are good.To sum up, the present invention has the advantages that mixing effect is good, maintenance cost is low, structural strength is high.In addition, accessory lobes Face is equipped with pressure sensor, can survey mixed raw material internal pressure, increases safety during stirring blade operation.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of stirring blade monomer；
Fig. 3 is the side view of stirring blade monomer；
Fig. 4 is the structure diagram of PVC carpet raw material mixing arrangements.
Label in attached drawing for：The first babinets of 1-, 2- connectors, the second babinets of 3-, 4- feed inlets, the first agitating shafts of 5-, 6- stirring blades, the first stirring motors of 7-, the first heating rods of 8-, 9- discharge ports, the second agitating shafts of 10-, 11- second stir electricity Machine, the second heating rods of 12-, 13- impact-absorbing shells, 14- stirring blade monomers, 15- semicircle ring portions, 16- non-slip mats, 17- first are connected Portion, 18- second connecting portions, 19- bending parts, 20- main lobves face, 21- accessory lobes face, 22- straight slots, 23- pressure sensors, 24- steel wires Rope, 25- threaded connection holes, 26- bolts, 27- nuts, 28- through-holes, 29- solenoid valves, 30- support feets.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to According to.
Embodiment：PVC carpet raw material mixing arrangement stirring blades, structure are in center including a pair as shown in Figures 1 to 3 Symmetrically arranged stirring blade monomer 14, stirring blade monomer 14 are equipped with semicircle ring portion 15, and 15 inside of semicircle ring portion is equipped with anti- Skidding 16,15 both sides of semicircle ring portion are connected separately with first connecting portion 17 and second connecting portion 18, and second connecting portion 18 is through bending Portion 19 is connected with main lobe face 20, and main lobe face 20 is hinged with accessory lobes face 21, and main lobe face 20 is equipped with equally distributed straight slot 22, accessory lobes Face 21 is equipped with pressure sensor 23, and more steel wire ropes 24 are equipped between main lobe face 20 and bending part 19.
Threaded connection hole 25 is equipped in the first connecting portion 17 and second connecting portion 18.
It is connected between the stirring blade monomer 14 through bolt 26 and nut 27.
The bending part 19 is equipped with multiple through-holes 28.
Using the PVC carpet raw material mixing arrangement structures of the invention built as shown in figure 4, including the first babinet 1, the first case Body 1 is connected with the second babinet 3 through connector 2；First babinet, 1 top is equipped with a pair of of feed inlet 4, is equipped in the first babinet 1 Perpendicular to the first agitating shaft 5 of 1 side wall of the first babinet, the first agitating shaft 5 is equipped with the stirring blade of several equidistantly distributeds 6, the first agitating shaft 5 is connected with the first stirring motor 7, and the first heating rod 8 is equipped in the first agitating shaft 5；Second babinet, 3 bottom Portion is equipped with a pair of of discharge port 9, and the second agitating shaft 10 perpendicular to 3 bottom of the second babinet, the second agitating shaft are equipped in the second babinet 3 10 are equipped with the stirring blade 6 of several equidistantly distributeds, and the second agitating shaft 10 is connected with the second stirring motor 11, the second stirring The second heating rod 12 is equipped in axis 10, the top of the second agitating shaft 10 is connected with impact-absorbing shell 13；The stirring blade 6 includes a pair Be centrosymmetric the stirring blade monomer 14 of setting, and stirring blade monomer 14 is equipped with semicircle ring portion 15,15 inside of semicircle ring portion Equipped with non-slip mat 16,15 both sides of semicircle ring portion are connected separately with first connecting portion 17 and second connecting portion 18, second connecting portion 18 Main lobe face 20 is connected with through bending part 19, main lobe face 20 is hinged with accessory lobes face 21, and main lobe face 20 is equipped with equally distributed straight slot 22, accessory lobes face 21 is equipped with pressure sensor 23, and more steel wire ropes 24 are equipped between main lobe face 20 and bending part 19.
Threaded connection hole 25 is equipped in the first connecting portion 17 and second connecting portion 18.
It is connected between the stirring blade monomer 14 through bolt 26 and nut 27.
The bending part 19 is equipped with multiple through-holes 28.
Solenoid valve 29 is equipped on the discharge port 9.
Second babinet, 3 bottom is connected with support feet 30.
The operation principle of the present invention and PVC carpet raw material mixing arrangements：Raw material enters the first babinet 1 from feed inlet 4, through the The cooperation of one agitating shaft 5 and stirring blade 6 is tentatively mixed, and preliminary mixed raw material enters the second babinet from connector 2 3, impact-absorbing shell 13 plays guide functions to raw material, slows down the impact to stirring blade 6 in the second babinet 3, raw material is in the second babinet 3 Cooperation through the second agitating shaft 10 and stirring blade 6 is sufficiently mixed, and the first heating rod 8 in the first agitating shaft 5, second stir The second heating rod 12 mixed in axis 10 heats mixed raw material, keeps it in certain temperature range, raw material is uniformly mixed Solenoid valve 29 is opened afterwards, and mixed raw material is flowed out from discharge port 9；Wherein, on stirring blade 6 accessory lobes face 21 according to the first agitating shaft 5 With the steering adjustment of the second agitating shaft 10 and the angle in main lobe face 20, make stirring blade monomer 14 that there is certain radian, part Mixed raw material is flowed through from the through-hole 28 on bending part 19, the straight slot 22 on main lobe face 20 carries out separation mixing, main lobe face 20 and folding More steel wire ropes 24 between turn of bilge 19 are in relaxed state, and free movement range is big, and is moved with the rotation of stirring blade 6, Mixed raw material is flowed through between each steel wire rope 24, is carried out deeper degree, finer and smoother is stirred.
The present invention is made of the stirring blade monomer 14 of a pair of setting that is centrosymmetric, and stirring blade monomer 14 is equipped with half Annular portion 15, two stirring blade monomers 14 are fixed by bolt 26 and nut 27, can be to stirring when stirring blade failure It mixes blade monomer 14 to be individually replaced, reduces the maintenance cost of stirring blade；Stirring blade monomer 14 mainly by bending Portion 19, main lobe face 20 and accessory lobes face 21 are formed, and bending part 19 is equipped with multiple through-holes 28, and main lobe face 20 is equipped with equally distributed Straight slot 22 can reduce impact of the mixed raw material to its surface when the present invention comes into operation, and main lobe face 20 is cut with scissors with accessory lobes face 21 It connects, can 14 shape of stirring blade monomer be made according to different steerings and the angle between adjustment of rotational speed main lobe face 20 and accessory lobes face 21 Into certain radian, overall structure coordinates so that structural strength of the present invention is high, and service life is long；Main lobe face 20 and bending part 19 it Between be equipped with more steel wire ropes 24, steel wire rope 24 be in relaxed state, the present invention rotation when steel wire rope 24 can in a certain range from By moving, deeper degree, it is fine and smooth be stirred raw material, mixing effect is good.To sum up, the present invention have mixing effect it is good, repair At low cost, the advantages of structural strength is high.In addition, accessory lobes face 21 is equipped with pressure sensor 23, it can survey inside mixed raw material and press By force, increase safety during stirring blade operation.

Claims (4)

1.PVC carpet raw material mixing arrangement stirring blades, it is characterised in that：Include the paddle of a pair of setting that is centrosymmetric Piece monomer (14), stirring blade monomer (14) are equipped with semicircle ring portion (15), non-slip mat (16) are equipped on the inside of semicircle ring portion (15), Semicircle ring portion (15) both sides are connected separately with first connecting portion (17) and second connecting portion (18), and second connecting portion (18) is through bending Portion (19) is connected with main lobe face (20), and main lobe face (20) are hinged with accessory lobes face (21), and main lobe face (20) are equipped with equally distributed Straight slot (22), accessory lobes face (21) are equipped with pressure sensor (23), and more steel are equipped between main lobe face (20) and bending part (19) Cord (24).
2. PVC carpet raw materials mixing arrangement stirring blade according to claim 1, it is characterised in that：Described first connects Threaded connection hole (25) is equipped in socket part (17) and second connecting portion (18).
3. PVC carpet raw materials mixing arrangement stirring blade according to claim 1, it is characterised in that：The paddle It is connected between piece monomer (14) through bolt (26) and nut (27).
4. PVC carpet raw materials mixing arrangement stirring blade according to claim 1, it is characterised in that：The bending part (19) multiple through-holes (28) are equipped with.
CN201810223084.3A 2018-03-19 2018-03-19 PVC carpet raw material mixing arrangement stirring blades Withdrawn CN108211869A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810223084.3A CN108211869A (en) 2018-03-19 2018-03-19 PVC carpet raw material mixing arrangement stirring blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810223084.3A CN108211869A (en) 2018-03-19 2018-03-19 PVC carpet raw material mixing arrangement stirring blades

Publications (1)

Publication Number Publication Date
CN108211869A true CN108211869A (en) 2018-06-29

Family

ID=62658752

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810223084.3A Withdrawn CN108211869A (en) 2018-03-19 2018-03-19 PVC carpet raw material mixing arrangement stirring blades

Country Status (1)

Country Link
CN (1) CN108211869A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110833782A (en) * 2019-09-27 2020-02-25 中国一冶集团有限公司 Stirring device and positive circulation drilling machine with same
CN113262749A (en) * 2021-07-16 2021-08-17 东营辰鑫应用技术开发有限公司 Drag reducer synthesis production device for oil well cement
CN114768721A (en) * 2022-04-08 2022-07-22 宁夏中色金辉新能源有限公司 Device and method for preparing lithium battery positive electrode material precursors with various particle sizes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110833782A (en) * 2019-09-27 2020-02-25 中国一冶集团有限公司 Stirring device and positive circulation drilling machine with same
CN110833782B (en) * 2019-09-27 2022-03-22 中国一冶集团有限公司 Stirring device and positive circulation drilling machine with same
CN113262749A (en) * 2021-07-16 2021-08-17 东营辰鑫应用技术开发有限公司 Drag reducer synthesis production device for oil well cement
CN113262749B (en) * 2021-07-16 2021-10-12 东营辰鑫应用技术开发有限公司 Drag reducer synthesis production device for oil well cement
CN114768721A (en) * 2022-04-08 2022-07-22 宁夏中色金辉新能源有限公司 Device and method for preparing lithium battery positive electrode material precursors with various particle sizes

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WW01 Invention patent application withdrawn after publication

Application publication date: 20180629

WW01 Invention patent application withdrawn after publication