CN103285763A - Stirrer - Google Patents
Stirrer Download PDFInfo
- Publication number
- CN103285763A CN103285763A CN2013102601338A CN201310260133A CN103285763A CN 103285763 A CN103285763 A CN 103285763A CN 2013102601338 A CN2013102601338 A CN 2013102601338A CN 201310260133 A CN201310260133 A CN 201310260133A CN 103285763 A CN103285763 A CN 103285763A
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- blade
- shaft
- partition board
- tank body
- board portion
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- 239000012530 fluid Substances 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims description 30
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 10
- 125000004122 cyclic group Chemical group 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 5
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention belongs to the field of stirring equipment, and in particular relates to a stirrer. The stirrer comprises a tank, a stirring shaft which is provided with blade parts, and a driving assembly which serves as a power source of the stirring shaft, wherein one shaft end of the stirring shaft is fixedly connected with the driving assembly to form the power end of the stirrer; the blade parts are positioned at the other shaft end of the stirring shaft, and the shaft end extends into the tank to form the working end of the stirrer; at least two flow channels are formed in the tank; the blade parts are arranged in the two flow channels respectively and push fluids in the corresponding flow channels to cyclically flow between the two flow channels. Through a cyclic flow channel structure consisting of the at least two flow channels, the actual stirring and mixing time of the fluids in the tank is prolonged, so that the aim of improving the efficiency by stroke in a finite space is fulfilled; meanwhile, the blade parts which are arranged in each flow channel respectively are used for providing the effective guarantee for an efficient cyclic circulation effect of the fluids along the double flow channels, and the stirrer is reasonable in structure, easy to implement and high in stirring and mixing efficiency.
Description
Technical field
The invention belongs to the mixing plant field, be specifically related to a kind of agitator.
Background technology
Reaction, married operation are widely used in all trades and professions, are widely used and the structure variation.Agitator then is one of them exemplary apparatus, and it can be realized the forced convection of liquid, gas medium efficiently, fast, equably and evenly mix purpose.Agitator is divided according to its type, can be divided into rotary propeller type, turbine type, flat oar formula, oblique multiple structure such as oar formula and electromagnetic type, wherein rotary propeller type, flat oar formula and tiltedly oar the formula low-cost and high utilization benefit and being widely used with it especially.The basic structure of conventional agitator, generally include be used to the tank body that holds agitated medium, be arranged in the driven unit at tank body housing place and the shaft that stretched out by the driven unit place constitutes, its shaft one end is fixed in the driven unit place and constitutes its power intake, the working end that its other end then extends and is configured for installing blade to the tank inner chamber place; Then rely on the rotation of shaft during real work and drive the blade rotation that is positioned on the shaft, thereby reach the hybrid reaction purpose of liquid, gas medium in it.Above-mentioned agitator uses so far, the defective of its existence still can not look down upon, mainly show: on the one hand, as one of significant components of agitator, the working strength of blade itself is the most important thing naturally, yet, present agitator blade, especially oblique oar formula or flat oar formula blade, itself all be to postpone around being arranged on the shaft to being the shape that suspends along the diameter of axle, the weight attachment point of entire blade is often all concentrated the binding site place that is positioned at blade and shaft, this just needs blade itself to possess high working strength requirement, thereby the real work that could guarantee blade needs, often cause the blade production cost to improve, be subjected to the working strength requirement of above-mentioned blade simultaneously, the paddle size of agitator is difficult to thereupon again guarantee that large-scale medium stirs demand at present, its production efficiency unavoidably can be received considerable influence, seeks the agitator that more possesses more efficient stirring efficiency and is brought into schedule gradually; On the other hand, for vertical stirrer, especially in the vertical stirrer that does not possess the support of intermediate bearing and base bearing, because the assembling axiality difference of axle self, the unbalanced load of still inner fluid, axle and all multifactor impacts such as gap length of still top matching part, when driving the blade action lasting rotation of shaft, the amplitude of oscillation of non-quantitative often all can appear one quantitatively or in the lower end of shaft, when especially excessive or shaft is too elongated in the reactor cavity volume, its amplitude of oscillation phenomenon is more obvious, not only have a negative impact the service life to still apical axis envelope and corresponding each parts, its unfavorable vibration that produces because of the amplitude of oscillation of shaft simultaneously, more can make parts such as motor produce periodic servo-actuated swing, harmfulness is very big, even and in possessing the vertical stirrer that intermediate bearing and base bearing support, because produce the inevitable coaxiality error of assembling, the harmfulness of the above-mentioned amplitude of oscillation also still can not be stopped fully; How to seek a kind of rational in infrastructurely and practical, reach the agitating device of self-balancing and even efficient stirring efficiency on the basis of guaranteeing original service behaviour itself, the technical barrier that needs to be resolved hurrily over past ten years for those skilled in the art.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of agitator rational in infrastructure and practical is provided, its stirring efficiency height.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of agitator comprises tank body, possesses shaft that blade portion is arranged and as the driven unit of shaft power resources; Affixed forming its power end between one axle head of described shaft and driven unit, blade portion is positioned at another axle head of shaft and this axle head and postpones to tank body and form its working end; It is characterized in that: possess at least two runners in the described tank body, blade portion is arranged in two runners respectively and promotes corresponding runner inner fluid and circulates between two runners.
Described agitator comprises cover tubular partition board portion, and partition board portion is coaxial and have the gap between doffing end and tank body on it with shaft; Described partition board portion with tank inner chamber be divided into be positioned at partition board portion surround the zone the tubular inner flow passage and be positioned at partition board portion and tank wall between the ring-type outer flow passage, described blade portion comprises the interior blade that is arranged in the inner flow passage place and the outer blade that is arranged in the outer flow passage place, and the blade arranged direction of described inside and outside blade oppositely arranges.
Blade is and revolves that the oar shape is coaxial to be fixed on the shaft in described, and the inner end portion of outer blade and the outer end of interior blade are affixed each other, and the end binding site of inside and outside blade runs through and is the space between the cylindrical plate of partition board portion and its rotation path and partition board portion and dodges setting.
Partition board portion comprises the shelf portion that is positioned at blade portion top and the lower clapboard portion that is positioned at place, blade subordinate side; Described blade portion also comprises the flow isolating cylinder that is arranged in inside and outside blade junction, described flow isolating cylinder and partition board portion plate body extended surface are positioned on the same tubular face, blade outer end and outer blade inner end portion arranged in the inside and outside ring wall of flow isolating cylinder connected respectively, the movable cooperation of formation between the adjacent surface of flow isolating cylinder and upper and lower partition board portion.
Described agitator also comprises the support arm for the affixed partition board portion of difference, described support arm one end and the affixed setting of partition board portion external annulus, and the other end is radially outward postponed also and the detachable matching relationship of formation between inner tank wall along shaft; Support arm is many and is by the outside divergent shape layout of tank body axis.
Blade place face in described on the blade and horizontal plane angle are with blade place face and the complementation of horizontal plane angle on the outer blade.
The blade number of blade is 2～6 in described, and outer blade is consistent with the blade number of interior blade; On the direction that radially postpones of shaft, each blade on the interior blade is with position interlaced arrangement between each blade on the outer blade that is adjacent.
The overflow section of described outer flow passage is constructed along variable cross-section.
Described agitator comprises the overcurrent plate, the overcurrent plate is arranged in the outer flow passage, overcurrent plate profile is an end and possesses the straight sleeve columnar structure that extends out the toroidal structure, extending out between toroidal structure place end and tank body epimere place inwall of overcurrent plate is affixed, its other end that extends out toroidal structure place end relatively postpone downwards and and blade portion between the space dodge layout.
Constitute detachable the cooperation between overcurrent plate plate body and inner tank wall; Described overcurrent plate comprise the side of being located thereon the loudspeaker section and and loudspeaker section small-caliber end between affixed and downward column straight sleeve section, the maximum gauge of blade portion is less than the straight sleeve section internal diameter of overcurrent plate, blade portion is positioned at the straight sleeve section of overcurrent plate.
Beneficial effect of the present invention is:
1), abandoned single stir chamber single-blade stirring structure that baroque multi-cavity road many shafts axle stirs in the same way or efficient is underground of conventional agitator, by the circulatory flow structure that relies on twice runner at least to constitute, increasing actual stirring and the incorporation time of fluid in tank body, thereby reach the purpose of " changing efficient with stroke " in the confined space; Simultaneously, the blade portion that arranges respectively in each runner then is for fluid provides effective assurance along the efficient circulation circulation effect of dual channel, and it is rational in infrastructure and be easy to realize, with respect to medium to mix efficient obviously higher.
2), actual layout type for runner, the present invention realizes by inside and outside dual channel structure, with the guiding mixing effect of realization for the tank body inner fluid; Concrete structure as for inside and outside blade, or be attached at partition board portion periphery wall place and cooperate with its formation activity for the affixed outer blade of interior blade and shaft, rely on independent extra driven unit to provide outer blade with rotational power simultaneously, or be to constitute integral structure etc. as the preferred inside and outside blade of the present invention, can realize that all relatively rotating with fluid between each blade pushes action, just do not giving unnecessary details one by one herein.
3), the combining structure of partition board portion and flow isolating cylinder, formed the isolated part between inside and outside runner, when blade portion produces action, pour into and treat that agitated medium is under the backward rotation of inside and outside blade in the tank body, nature produces the closed type loop action that moves in circles along inside and outside runner, mixes purpose thereby finally finish its medium.The setting of flow isolating cylinder as the part of isolated part, is isolated and sealing effect to finish aforesaid runner on the one hand; On the other hand, because outer blade self is away from the binding site of shaft and blade portion, and flow isolating cylinder is as the connector of inside and outside blade, the strength support demand that itself can also provide outer blade to rely and effectively move, rely on flow isolating cylinder for the supporting role of outer blade, all can effectively be guaranteed in the serviceability of outer blade and even service life.What is more important, utilize inside and outside blade when pushing fluid fluid to its reaction force that applies, inside and outside blade oar face bears the incorgruous and balance each other of pressure, thereby realize entire blade portion and even shaft " self-balancing " purpose when work, this has profound influence to the vibration problems that solves puzzlement technical staff shaft so far.
4), the design original meaning of support arm, exist as the support component of supporting clapboard portion; For satisfying the disassembling section that blade portion itself carries out because of factor needs such as service wear or routine maintenances, can be by forming detachable the cooperation between support arm and inner tank wall, dismounting and change voluntarily when needs are changed support arm, its serviceability is higher.
5), the overflow section of outer flow passage is constructed along variable cross-section, also be that outer flow passage place overflow section longshore current body travel path possesses sudden change or gradual change changes, thereby can make the fluid of being gushed out by the inner flow passage place when entering outer flow passage, in the overflowing end face of the sudden change of outer flow passage or gradual change, produce turbulent flow, eddy current and even turbulent flow phenomenon, finally make its fluid constantly be cut apart and alter course, each medium one is further disperseed by chopping in the fluid, further to reach the even mixing purpose of fluid.
6), for the overflow section of outer flow passage structure, the present invention realizes that by the overcurrent plate structure like this, the flow channels that relies on overcurrent plate formation longshore current body circulation path itself to phase down on the one hand is to satisfy the mixing purpose of aforesaid fluid; On the other hand, the built-in structure that cooperates of all-in-one-piece overcurrent plate and inner tank wall, even can form the integral type structure with support arm, to satisfy the integral type modularization demand of present project organization; Certainly, if divide body structure with forming between overcurrent plate and support arm, the layout of considering the overcurrent plate may hinder actual mounting or dismounting and the arrangement to parts such as support arms, it also can be by offering recess in the dismounting of overcurrent plate upper edge support arm and arrangement direction in advance, so that directly taking out also by its indent at detachable, support arm settles new support arm again, to solve its interference problem.
Description of drawings
Fig. 1 is assembly structure schematic diagram of the present invention;
Fig. 2 is the structure vertical view of blade portion;
Fig. 3 is the structure cutaway view of blade portion.
Diagram each several part label and parts corresponding relation are as follows:
The outer blade 23-flow isolating cylinder 30-shaft 40-overcurrent plate 50-partition board portion 51-shelf portion 52-lower clapboard 60-of the portion support arm of blade 22-in the a-inner flow passage b-outer flow passage 10-tank body 20-blade 21-of portion
The specific embodiment
For ease of understanding, do following the description in conjunction with Fig. 1-3 pair of concrete assembly of the present invention and workflow herein:
Be example with as shown in Figure 1 vertical stirrer, comprise be used to hold agitated medium and with its mixed uniformly tank body 10, be arranged in 10 jars of mouth places of tank body driven unit, by the driven unit place postpone and under rotating shaft 30 and the blade portion 20 that is arranged in shaft 30 working ends etc. constitute; Blade portion 20 comprises interior blade 21, flow isolating cylinder 23 and outer blade 22, and the three forms integral structure, and inside and outside blade 21,22 mixing direction reversed arrangement; The corresponding layout partition board portion 50 of last doffing face bearing of trend of flow isolating cylinder 23, together tank body 10 intracavity spaces are divided into inside and outside runner a, b with flow isolating cylinder 23, partition board portion 50 relies on support arm 60 to realize affixed support; Tank body 10 inwall places also arrange overcurrent plate 40 simultaneously, rely on overcurrent plate 40 to realize the variable cross-section structure of outer flow passage b place overflow section.
When the present invention works, at first each medium to be mixed pours in the tank body 10 of agitator, shaft 30 begins to drive blade portion 20 action that rotates, be positioned at each medium of tank body 10 under the agitation force and thrust of blade portion 20, beginning produces the action of flowing that moves in circles along inside and outside runner a, b, stirs purpose thereby reach it; Simultaneously, the variation of the overflow section that produces by the overcurrent plate 40 that is arranged at outer flow passage b place can reach and further impel each medium rapid mixing purpose, finally satisfies the efficient mixing demand of its fluid.
In fact, as design main points of the present invention, main three places that then are divided into: at first, rely on the setting of partition board portion 50, thereby in tank body 10, mark off the twice runner at least, rely on the blade portion 20 that all arranges in each runner simultaneously, the quick closed cycle of finishing for each runner inner fluid pushes purpose; Secondly, the variation of the overflow section in the outer flow passage b, thereby mixed on the basis of stirring by preliminary at original jar of inner fluid, the dependence fluid that continues is by interior turbulent flow, eddy current and even the turbulent flow phenomenon that produces of overflowing end face of sudden change or the gradual change of outer flow passage b, each medium is further shredded the dispersion purpose in the fluid and reach, further to reach the mix uniformly effect of fluid.Particularly it should be noted that, just because of interior, outer blade 21,22 integral structures that form, not only rely on the easy integral type of its blade reverse oar face layout and finish for the counterparty who circulates in the different runners to pushing effect, simultaneously, in, outer blade 21,22 have effectively utilized when pushing fluid fluid to its reaction force that applies when rotating again, in relying on simultaneously, outer blade 21,22 layouts interlaced with each other, in effectively having guaranteed especially, outer blade 21,22 dynamic balancing effect finally realizes entire blade portion 20 and even shaft 30 " self-balancing " purpose when suspending work; Being applied to designating apparatus just because of the blade portion 20 of unique texture also is in the agitator tank body 10, thereby solved in the conventional agitator unavoidably and very " unbalanced load of jar inner fluid " of headache for the adverse effect of shaft 30, self is for the thrust counterforce of blade portion 20 when oppositely utilizing fluid to push, and then reached the work self-balancing effect of utilizing its reaction force to keep whole shaft 30, it has effectively promoted the actual whipping performance of agitator itself, not only can effectively reduce the body amplitude, the work amplitude of oscillation defective that more reduces in the agitator industry simultaneously even finally overcome shaft 30 provides favourable foundation, and market prospects are wide.
Claims (10)
1. agitator comprises tank body (10), possesses shaft (30) that blade portion (20) are arranged and as the driven unit of shaft (30) power resources; Affixed forming its power end between one axle head of described shaft (30) and driven unit, blade portion (20) is positioned at another axle head of shaft (30) and this axle head and postpones to tank body (10) and form its working end; It is characterized in that: described tank body possesses at least two runners in (10), and blade portion (20) is arranged in two runners respectively and promotes corresponding runner inner fluid and circulates between two runners.
2. agitator according to claim 1 is characterized in that: described agitator comprises cover tubular partition board portion (50), and partition board portion (50) is coaxial and have the gap between doffing end and tank body (10) on it with shaft (30); Described partition board portion (50) with tank body (10) inner chamber be divided into be positioned at partition board portion (50) surround the zone tubular inner flow passage (a) and be positioned at partition board portion (50) and tank body (10) sidewall between ring-type outer flow passage (b), described blade portion (20) comprises and is arranged in the interior blade (21) that inner flow passage (a) locates and is arranged in the outer blade (22) that outer flow passage (b) is located that the blade arranged direction of described inside and outside blade (21,22) oppositely arranges.
3. agitator according to claim 2, it is characterized in that: blade (21) is and revolves that the oar shape is coaxial to be fixed on the shaft (30) in described, the outer end of the inner end portion of outer blade (22) and interior blade (21) is affixed each other, and the end binding site of inside and outside blade (21,22) runs through and is the space between the cylindrical plate of partition board portion (50) and its rotation path and partition board portion (50) and dodges setting.
4. agitator according to claim 3 is characterized in that: partition board portion (50) comprises the shelf portion (51) that is positioned at blade portion (20) top and the lower clapboard portion (52) that is positioned at place, blade portion (20) below; Described blade portion (20) also comprises the flow isolating cylinder (23) that is arranged in inside and outside blade (21,22) junction, described flow isolating cylinder (23) is positioned on the same tubular face with partition board portion (50) plate body extended surface, the inside and outside ring wall of flow isolating cylinder (23) connects interior blade (21) outer end and outer blade (22) inner end portion respectively to be arranged, the movable cooperation of formation between the adjacent surface of flow isolating cylinder (23) and upper and lower partition board portion (51,52).
5. according to claim 2 or 3 or 4 described agitators, it is characterized in that: described agitator also comprises the support arm (60) for the affixed partition board portion of difference (50), described support arm (60) one ends and the affixed setting of partition board portion (50) external annulus, the other end along shaft (30) radially outward postpone and and tank body (10) inwall between form detachable matching relationship; Support arm (60) is many and is by the outside divergent shape layout of tank body (10) axis.
6. according to claim 2 or 3 or 4 described agitators, it is characterized in that: the blade place face in described on the blade (21) and horizontal plane angle are with blade place face and the complementation of horizontal plane angle on the outer blade (22).
7. agitator according to claim 6 is characterized in that: the blade number of blade (21) is 2～6 in described, and outer blade (22) is consistent with the blade number of interior blade (21); On the direction that radially postpones of shaft (30), each blade on the interior blade (21) is with position interlaced arrangement between each blade on the outer blade (22) that is adjacent.
8. according to claim 2 or 3 or 4 described agitators, it is characterized in that: the overflow section of described outer flow passage (b) is constructed along variable cross-section.
9. agitator according to claim 8, it is characterized in that: described agitator comprises overcurrent plate (40), overcurrent plate (40) is arranged in the outer flow passage (b), overcurrent plate (40) profile is an end and possesses the straight sleeve columnar structure that extends out the toroidal structure, extending out between toroidal structure place end and tank body (10) epimere place inwall of overcurrent plate (40) is affixed, its other end that extends out toroidal structure place end relatively postpone downwards and and blade portion (20) between the space dodge layout.
10. agitator according to claim 9 is characterized in that: constitute detachable the cooperation between overcurrent plate (40) plate body and tank body (10) inwall; Described overcurrent plate (40) comprise the side of being located thereon the loudspeaker section and and loudspeaker section small-caliber end between affixed and downward column straight sleeve section, the maximum gauge of blade portion (20) is less than the straight sleeve section internal diameter of overcurrent plate (40), and blade portion (20) is positioned at the straight sleeve section of overcurrent plate (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260133.8A CN103285763B (en) | 2013-06-26 | 2013-06-26 | Stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260133.8A CN103285763B (en) | 2013-06-26 | 2013-06-26 | Stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103285763A true CN103285763A (en) | 2013-09-11 |
| CN103285763B CN103285763B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310260133.8A Active CN103285763B (en) | 2013-06-26 | 2013-06-26 | Stirrer |
Country Status (1)
| Country | Link |
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| CN (1) | CN103285763B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398819A (en) * | 2020-07-13 | 2021-09-17 | 徐红琴 | Concentration partition mixing flow stirring tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310843A (en) * | 2008-02-03 | 2008-11-26 | 合肥华升泵阀有限责任公司 | Reaction kettle bottom agitation system |
| CN101549262A (en) * | 2009-05-07 | 2009-10-07 | 浙江美通机械制造有限公司 | Double barrels type mixer for asphalt and rubber powder |
| CN101642688A (en) * | 2009-06-30 | 2010-02-10 | 浙江长城减速机有限公司 | Device for dissolving, curing and stirring hydrophobic associating polymer |
| CN203425740U (en) * | 2013-06-26 | 2014-02-12 | 合肥华升泵阀有限责任公司 | Stirrer |
-
2013
- 2013-06-26 CN CN201310260133.8A patent/CN103285763B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310843A (en) * | 2008-02-03 | 2008-11-26 | 合肥华升泵阀有限责任公司 | Reaction kettle bottom agitation system |
| CN101549262A (en) * | 2009-05-07 | 2009-10-07 | 浙江美通机械制造有限公司 | Double barrels type mixer for asphalt and rubber powder |
| CN101642688A (en) * | 2009-06-30 | 2010-02-10 | 浙江长城减速机有限公司 | Device for dissolving, curing and stirring hydrophobic associating polymer |
| CN203425740U (en) * | 2013-06-26 | 2014-02-12 | 合肥华升泵阀有限责任公司 | Stirrer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398819A (en) * | 2020-07-13 | 2021-09-17 | 徐红琴 | Concentration partition mixing flow stirring tank |
| CN113398819B (en) * | 2020-07-13 | 2023-06-16 | 新疆国化材料科技有限公司 | Concentration partition mixed flow stirring tank |
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| Publication number | Publication date |
|---|---|
| CN103285763B (en) | 2015-04-08 |
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| CB02 | Change of applicant information |
Address after: Shuangfeng Economic Development Zone, Hefei city of Anhui Province Jin Huai road 231131 No. 6 Applicant after: HEFEI HUASHENG VALVE LIMITED BY SHARE LTD. Address before: Shuangfeng Economic Development Zone, Hefei city of Anhui Province Jin Huai road 231131 No. 6 Applicant before: Hefei Huasheng Pumps Valves Co., Ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Chai Liping Inventor after: Wu Jianbo Inventor after: Shi Haixia Inventor after: Chai Yejun Inventor after: Hu Jingning Inventor after: He Yujie Inventor after: Li Qiang Inventor after: Cai Minghu Inventor before: Chai Liping Inventor before: Wu Jianbo Inventor before: Shi Haixia Inventor before: Hu Jingning Inventor before: He Yujie Inventor before: Li Qiang Inventor before: Cai Minghu |
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Free format text: CORRECT: APPLICANT; FROM: HEFEI HUASHENG PUMP + VALVE CO., LTD. TO: HEFEI HUASHENG PUMPS + VALVES CO., LTD. Free format text: CORRECT: INVENTOR; FROM: CHAI LIPING WU JIANBO SHI HAIXIA HU JINGNING HE YUJIE LI QIANG CAI MINGHU TO: CHAI LIPING WU JIANBO SHI HAIXIA CHAI YEJUN HU JINGNING HE YUJIE LI QIANG CAI MINGHU |
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Denomination of invention: Method for machining stirrer hub Effective date of registration: 20170814 Granted publication date: 20150408 Pledgee: Bank of Communications Ltd Anhui branch Pledgor: HEFEI HUASHENG VALVE LIMITED BY SHARE LTD. Registration number: 2017340000149 |
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Date of cancellation: 20190129 Granted publication date: 20150408 Pledgee: Bank of Communications Ltd Anhui branch Pledgor: HEFEI HUASHENG VALVE LIMITED BY SHARE LTD. Registration number: 2017340000149 |