CN103816828A - High-efficiency dynamic mixing device with multiple partition cavities - Google Patents
High-efficiency dynamic mixing device with multiple partition cavities Download PDFInfo
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- CN103816828A CN103816828A CN201410094980.6A CN201410094980A CN103816828A CN 103816828 A CN103816828 A CN 103816828A CN 201410094980 A CN201410094980 A CN 201410094980A CN 103816828 A CN103816828 A CN 103816828A
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Abstract
The invention provides a high-efficiency dynamic mixing device with multiple partition cavities. The dynamic mixing device mainly comprises a dynamic mixing kettle body and a dynamic mixing stirrer, wherein the dynamic mixing stirrer is arranged on a stirring flange of the dynamic mixing kettle body. A unique multiple-partition-cavity structure is adopted by the dynamic mixing device, materials stay for a long time inside a single cavity during the continuous flowing process from charging at the bottom to discharging at the upper part of the dynamic mixing device, short circuits are not liable to happen and fluid turbulence is violent, so that deep mixing can be realized simultaneously when multistage mixing is accomplished; multiple layers of matched stirring paddles can be connected on a single stirring shaft, a single unit of driving device is used for stirring transmission, and the occupied space of equipment, the equipment investment, the energy consumption of stirring, and the cost of manual operation are saved. The dynamic mixing device is reasonable in design and compact in structure; combined with the technology of continuous operation, the dynamic mixing device can fully achieve rapid and high-efficiency mass transferring and mixing of various liquid phases and completely meet the requirements of chemical industry, pharmacy industry and the like on liquid-liquid mixing and reaction.
Description
Technical field
The present invention relates to a kind of equipment that multiple liquid phase can be carried out to efficient mixing, more specifically, relate to the moving mixing device of a kind of efficient many separate spaces, by using the moving mixing device of these efficient many separate spaces can realize the efficient mixing with the multiple liquid phase of continuous processing charging.Liquid-liquid that this device is specially adapted to the continuity operation of the industries such as chemical industry, raw work, pharmacy, environmental protection mixes and reaction engineering.
Background technology
In the fields such as chemical industry, pharmacy, raw work, environmental protection, approximately there is more than 50% technical process to relate to mixing and the reaction of liquid-liquid, wherein have greatly or even production core process, as organic alternate mixing, the alternate reaction of organic/inorganic etc.Good mixed effect is the necessary condition that this class process carries out smoothly, as removing with alkali lye in the process of organic substance residues acid impurities by the contact of liquid-liquid and application acid-base reaction, liquid-liquid mixed effect directly affects final purity and the efficiency of organic matter product.
General liquid-liquid mixes occasion can be by adopting single chamber continuous stir reactor supporting mixing plant to realize.But for liquid-liquid mixed process of continuity operation, while adopting single chamber continuous stir reactor, the time of staying of material in still is shorter, and under the effect of axial flow type stirrer, in still, material easily forms short circuit, enter the interior material of still as quick as thought from outlet discharge, thereby greatly reduce the mixed effect of storeroom, and cause the series of problems such as chain storeroom reaction rate is slow, product yield is low.For the deficiency of single chamber continuous stir reactor, also there are partial design personnel to advise adopting pipeline static mixer.The equipment manufacturing cost of pipeline static mixer is low, and mechanical loss is little, but still has some problems, pipeline as larger in the needs space of arranging, and long flow path and fluid resistance are large, and to having relatively high expectations of flow, tube side is easy cleaning etc. not; Meanwhile, pipeline static reactor is also not suitable for including the occasion of complex reaction.
One of development trend of modern chemical industry is that allied industry technique is amplified by integrated production and maximization, adopts continuity operation, thereby improves the production efficiency of equipment, and reduces equipment investment.The structure relative compact of the moving mixing device of the efficient many separate spaces of the present invention, especially be applicable to continuity operation production technology, its exploitation is immediately following the development trend of modern chemical industry, by energy-efficient mixed effect, also meet the environmental protection policy that national energy-saving reduces discharging, have a good application prospect.
Summary of the invention
The object of the present invention is to provide the moving mixing device of a kind of efficient many separate spaces, realize, degree of depth mixing multistage by carrying out with the multiple liquid phase of continuity process feeds by this kind of moving mixing device.
The technical scheme taked is for achieving the above object: the moving mixing device of a kind of efficient many separate spaces, mainly comprise moving mixed kettle and moving mixed agitator, and can also comprise premixer.
Described moving mixed kettle mainly comprises that material inlet, material outlet, separate space plate, the support of separate space plate, baffle plate, baffle plate support and stir flange etc.
Described moving mixed agitator is arranged on the stirring flange of moving mixed kettle, and moving mixed agitator mainly comprises motor, reductor, frame, stirring drive mechanism, mechanical seal, mounting base, shaft, paddle and base bearing etc.
Described material inlet is arranged on the low head of moving mixed kettle, quantity can be one or more, and intending entering the liquid mixing in moving mixed kettle has two kinds of feeding manners: (1) directly enters in moving mixed kettle with multiple different material imports of the driven mixed kettle of sub-thread liquid stream; (2) various mixing materials first carry out premix through premixers such as static mixers outward at moving mixed kettle, form after one liquid stream, then enter moving mixed kettle from single material inlet.The latter's mixed effect is especially good.
Described material outlet is preferentially arranged on the upper cover of moving mixed kettle, to make full use of the intracavity space of moving mixed kettle.
Described moving mixed inner wall of kettle is provided with the support of separate space plate and baffle plate supports, for fixing and support separate space plate and baffle plate.
Described separate space plate adopts piecemeal dismountable structure, is beneficial to install, and is fixedly mounted on described separate space plate supports by securing member; Making circular hole in the middle of separate space plate, to form material channel, the diameter d g of circular port be to mix kettle inner diameter D 0.1 ~ 0.8, preferably 0.2 ~ 0.3; The quantity of separate space plate is depending on the draw ratio of kettle, the height S of single separate space be mixed kettle inner diameter D 0.5 ~ 2, preferably 0.9 ~ 1.1.
Described baffle plate adopts segmentation dismountable structure, is beneficial to install, and is fixedly mounted on baffle plate supports by securing member; Baffle plate in each separate space is relatively independent; The quantity of single chamber Internal baffle is 2 ~ 8, preferably 4; Baffle plate be from span from l mixed kettle inner diameter D 1/60; Barrier width b be mixed kettle inner diameter D 1/15 ~ 1/8.
Described mechanical seal must be furnished with sealing liquid system and backwashing system.Sealing liquid system plays a part pressurize, lubrication and cooling machine envelope dynamic and static ring end face; The application of backwashing system is the requirement based on continuous operation process, under full still operation operating mode, backwash medium can prevent that the solid granule in material from entering mechanical seal dynamic and static ring end clearance, thereby avoids the sharp wear of dynamic and static ring end face, the service life of prolonged mechanical sealing.
Described paddle is preferentially installed on the medium position of individual layer separate space, and blade type is preferentially selected radially flow pattern blade, as straight leaf open-type vane wheel oar, also can select swept-back oar etc.Individual layer stirrer paddle quantity is 3 ~ 10, oar footpath dj be mixed kettle inner diameter D 0.2 ~ 0.8, preferably 0.35 ~ 0.5.
The setting of described base bearing structure, has guaranteed stability and security when moving mixed agitator runs up under major axis operating mode, has optimized shafting structure simultaneously, is conducive to the maximization design of equipment.
The beneficial effect of the moving mixing device of efficient many separate spaces provided by the invention is, adopt unique many arrangement of compartments, material is in the process of the bottom feed with the driven mixing device of continuous operation process, top discharging, many arrangement of compartments have been equivalent to play the effect of multiple single chambeies continuous stir reactor series connection, material therein the time of staying long, be difficult for forming short circuit, and Hydrodynamic turbulence is violent, in completing multistage mixing, realizes the degree of depth and mix; The multiple impellers of supporting many arrangement of compartments can be connected on single shaft, stir transmission and adopt single cover drive unit, thereby saving equipment takes up an area space, equipment investment, stirring energy consumption and manual operation cost.
In sum, the moving mixing device of efficient many separate spaces provided by the invention is reasonable in design, and compact conformation, in conjunction with continuous operation process, can fully realize quick and efficient mass transfer and mixing that many kinds of liquid is alternate, the liquid-liquid that has fully met the industry such as chemical industry, pharmacy mixes and reaction requirement.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the mounting structure schematic diagram (top view) of separate space plate and baffle plate.
Reference numeral:
1 moving mixed kettle; 2 moving mixed agitators; 3 premixers
1-1 material inlet; 1-2 material outlet; 1-3 separate space plate; 1-4 baffle plate; 1-5 stirs flange; 1-6 separate space plate supports; 1-7 baffle plate supports
2-1 motor; 2-2 reductor; 2-3 frame; 2-4 stirs drive mechanism; 2-5 mechanical seal; 2-6 mounting base; 2-7 shaft; 2-8 paddle; 2-9 base bearing; 2-10 sealing liquid system; 2-11 backwashing system
The internal diameter of the moving mixed kettle of D
The diameter of circular port in the middle of dg separate space plate
The oar footpath of dj paddle
L baffle plate from span from
The width of b baffle plate
The height of S individual layer separate space.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
In a kind of embodiment, in Fig. 1, the moving mixing device of a kind of efficient many separate spaces, mainly comprises moving mixed kettle 1, moving mixed agitator 2 and premixer 3.
Material inlet 1-1 is arranged on the low head place of moving mixed kettle 1, quantity is 1, plan enters two kinds of liquid that mix in moving mixed kettle and first carries out premix through static premixer 3 outward at moving mixed kettle, forms after one liquid stream, then enters moving mixed kettle 1 from material inlet 1-1.Material outlet 1-2 is arranged on the upper cover place of moving mixed kettle.
In Fig. 2, the inwall of moving mixed kettle 1 is welded with separate space plate and supports 1-6 and baffle plate support 1-7.Separate space plate 1-3 adopts piecemeal dismountable structure, is fixedly mounted on separate space plate supports on 1-6 by securing member; The middle making circular hole of separate space plate 1-3, to form material channel, the diameter d g of circular port be mixed kettle inner diameter D 0.25; The quantity of separate space plate 1-3 is 3, forms altogether 4 separate spaces, and the height S of single separate space is 1.1 times of inner diameter D of mixed kettle.Baffle plate 1-4 adopts segmentation dismountable structure, is fixedly mounted on baffle plate supports on 1-7 by securing member; Baffle plate in each separate space is relatively independent, and the quantity of single chamber Internal baffle is 4; Baffle plate be from span from l mixed kettle inner diameter D 1/60, barrier width b be to mix kettle inner diameter D 1/12.
The stirring flange 1-5 that moving mixed agitator 2 is arranged on moving mixed kettle 1 is upper, and moving mixed agitator 2 mainly comprises motor 2-1, reductor 2-2, frame 2-3, stirs drive mechanism 2-4, mechanical seal 2-5, mounting base 2-6, shaft 2-7, paddle 2-8, base bearing 2-9 etc.Wherein, mechanical seal 2-5 is furnished with sealing liquid system 2-10 and backwashing system 2-11.
Paddle 2-8 is placed in the medium position of individual layer separate space.The blade type of paddle 2-8 is selected straight leaf open-type vane wheel oar, and individual layer stirrer paddle quantity is 6, the oar footpath dj of paddle 2-8 be mixed kettle inner diameter D 0.40.
In another kind of embodiment, the moving mixing device of a kind of efficient many separate spaces, mainly comprises moving mixed kettle and moving mixed agitator.Moving mixed agitator is arranged on the stirring flange of moving mixed kettle, and moving mixed agitator mainly comprises motor, reductor, frame, stirring drive mechanism, mechanical seal, mounting base, shaft, paddle, base bearing etc.Wherein, mechanical seal is furnished with sealing liquid system and backwashing system.
Described material inlet is arranged on the low head of moving mixed kettle, and quantity is multiple, intends entering the liquid mixing in moving mixed kettle and directly enters in moving mixed kettle with multiple different material imports of the driven mixed kettle of sub-thread liquid stream.
The inwall of moving mixed kettle is welded with the support of separate space plate and baffle plate supports.Separate space plate adopts piecemeal dismountable structure, is fixedly mounted on separate space plate supports by securing member; The middle making circular hole of separate space plate, to form material channel, the diameter d g of circular port be mixed kettle inner diameter D 0.25; The quantity of separate space plate is 3, forms altogether 4 separate spaces, and the height S of single separate space is 1.1 times of inner diameter D of mixed kettle.Baffle plate adopts segmentation dismountable structure, is fixedly mounted on baffle plate supports by securing member; Baffle plate in each separate space is relatively independent, and the quantity of single chamber Internal baffle is 4; Baffle plate be from span from l mixed kettle inner diameter D 1/60, barrier width b be to mix kettle inner diameter D 1/12.
Paddle is placed in the medium position of individual layer separate space.The blade type of paddle is selected straight leaf open-type vane wheel oar, and individual layer stirrer paddle quantity is 6, the oar footpath dj of paddle be mixed kettle inner diameter D 0.40.
More than utilize specific embodiment to be described in detail the moving mixing device of efficient many separate spaces provided by the present invention, set forth principle of the present invention and embodiment, the explanation of this embodiment is just for helping to understand principle and the core concept of invention.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (13)
1. the moving mixing device of efficient many separate spaces, is characterized in that, comprising:
Moving mixed kettle, described moving mixed kettle mainly supports and stirs flange by material inlet, material outlet, separate space plate, the support of separate space plate, baffle plate, baffle plate and forms;
Moving mixed agitator, described moving mixed agitator is arranged on the stirring flange of described moving mixed kettle.
2. the moving mixing device of the efficient many separate spaces of one according to claim 1, is characterized in that, the moving mixing device of described efficient many separate spaces can also comprise premixer.
3. the moving mixing device of the efficient many separate spaces of one according to claim 1 and 2, is characterized in that, described moving mixed agitator comprises motor, reductor, frame, stirring drive mechanism, mechanical seal, mounting base, shaft, paddle and base bearing.
4. the moving mixing device of the efficient many separate spaces of one according to claim 1 and 2, is characterized in that, described material inlet is arranged on the low head of moving mixed kettle, and quantity is one or more.
5. the moving mixing device of the efficient many separate spaces of one according to claim 4, it is characterized in that, the quantity of described material inlet is one, and various mixing materials first carry out premix through premixer outward at moving mixed kettle, form after one liquid stream, then enter moving mixed kettle from single material inlet.
6. the moving mixing device of the efficient many separate spaces of one according to claim 4, is characterized in that, the quantity of described material inlet is multiple, and various mixing materials directly enter moving mixed kettle from different material import.
7. the moving mixing device of the efficient many separate spaces of one according to claim 1 and 2, is characterized in that, described material outlet is arranged on the upper cover of moving mixed kettle.
8. the moving mixing device of the efficient many separate spaces of one according to claim 1 and 2, is characterized in that, the inwall of described moving mixed kettle is provided with the support of separate space plate and baffle plate supports.
9. according to the moving mixing device of the efficient many separate spaces of one described in claim 1,2 or 8, it is characterized in that, described separate space plate adopts piecemeal dismountable structure, is fixedly mounted on described separate space plate supports by securing member; Making circular hole in the middle of described separate space plate, the diameter d g of circular port be to mix kettle inner diameter D 0.1 ~ 0.8, preferably 0.2 ~ 0.3; The quantity of described separate space plate is depending on the draw ratio of kettle, the height S of single separate space be mixed kettle inner diameter D 0.5 ~ 2, preferably 0.9 ~ 1.1.
10. according to the moving mixing device of the efficient many separate spaces of one described in claim 1,2 or 8, it is characterized in that, described baffle plate adopts segmentation dismountable structure, is fixedly mounted on described baffle plate supports by securing member; Baffle plate in each separate space is relatively independent; The quantity of single chamber Internal baffle is 2 ~ 8, preferably 4; Baffle plate be from span from l mixed kettle inner diameter D 1/60; Barrier width b be mixed kettle inner diameter D 1/15 ~ 1/8.
The efficient many separate spaces of 11. one according to claim 3 move mixing device, it is characterized in that, described mechanical seal is furnished with sealing liquid system and backwashing system.
The efficient many separate spaces of 12. one according to claim 3 move mixing device, it is characterized in that, described paddle is installed on the medium position of individual layer separate space.
13. according to the moving mixing device of the efficient many separate spaces of one described in claim 1,3 or 12, it is characterized in that, the blade type of described paddle is selected radially flow pattern blade or swept-back blade, preferably flow pattern blade radially; Individual layer stirrer paddle quantity is 3 ~ 10,0.2 ~ 0.8 of djWei Fu footpath, oar footpath D, preferably 0.35 ~ 0.5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410094980.6A CN103816828A (en) | 2014-03-17 | 2014-03-17 | High-efficiency dynamic mixing device with multiple partition cavities |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410094980.6A CN103816828A (en) | 2014-03-17 | 2014-03-17 | High-efficiency dynamic mixing device with multiple partition cavities |
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| CN201410094980.6A Pending CN103816828A (en) | 2014-03-17 | 2014-03-17 | High-efficiency dynamic mixing device with multiple partition cavities |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413616A (en) * | 2016-01-12 | 2016-03-23 | 广西新天德能源有限公司 | Efficient ethyl acetate reaction kettle |
| CN105570319A (en) * | 2016-03-04 | 2016-05-11 | 浙江长城减速机有限公司 | Stirring kettle bottom bearing with heating and washing function |
| CN108094581A (en) * | 2018-01-15 | 2018-06-01 | 云南源天生物集团有限公司 | Polynary special edible oil and its preparation process and equipment |
| CN108339505A (en) * | 2018-03-06 | 2018-07-31 | 盐城元之元机械有限公司 | A kind of liquid-state granite coating successive reaction process units |
| CN114073927A (en) * | 2020-08-18 | 2022-02-22 | 中国石油化工股份有限公司 | Reaction kettle and production method of polyethylene |
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| CN102658050A (en) * | 2012-05-16 | 2012-09-12 | 浙江长城减速机有限公司 | Multi-stage continuous curing tank for hydrophobically associating polymer |
| CN202606079U (en) * | 2012-06-07 | 2012-12-19 | 邵伟科 | Vertical neutralizing and washing stirring device |
| CN203253425U (en) * | 2013-04-22 | 2013-10-30 | 安徽亚兰德新能源材料股份有限公司 | Multifunctional continuous reaction device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102614799A (en) * | 2012-05-03 | 2012-08-01 | 兰州大学 | Numerical control online continuous mixer |
| CN102658050A (en) * | 2012-05-16 | 2012-09-12 | 浙江长城减速机有限公司 | Multi-stage continuous curing tank for hydrophobically associating polymer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105413616A (en) * | 2016-01-12 | 2016-03-23 | 广西新天德能源有限公司 | Efficient ethyl acetate reaction kettle |
| CN105570319A (en) * | 2016-03-04 | 2016-05-11 | 浙江长城减速机有限公司 | Stirring kettle bottom bearing with heating and washing function |
| CN108094581A (en) * | 2018-01-15 | 2018-06-01 | 云南源天生物集团有限公司 | Polynary special edible oil and its preparation process and equipment |
| CN108339505A (en) * | 2018-03-06 | 2018-07-31 | 盐城元之元机械有限公司 | A kind of liquid-state granite coating successive reaction process units |
| CN114073927A (en) * | 2020-08-18 | 2022-02-22 | 中国石油化工股份有限公司 | Reaction kettle and production method of polyethylene |
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Application publication date: 20140528 |