CN105688729B - The three-level mixing device of hydrodynamics automatic control - Google Patents
The three-level mixing device of hydrodynamics automatic control Download PDFInfo
- Publication number
- CN105688729B CN105688729B CN201610226022.9A CN201610226022A CN105688729B CN 105688729 B CN105688729 B CN 105688729B CN 201610226022 A CN201610226022 A CN 201610226022A CN 105688729 B CN105688729 B CN 105688729B
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- Prior art keywords
- agitator tank
- level
- hydrodynamics
- automatic control
- discharge port
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Classifications
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- 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
- B01F33/8212—Combinations of dissimilar mixers with consecutive receptacles with moving and non-moving stirring devices
-
- 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
- B01F33/834—Mixing in several steps, e.g. successive steps
-
- 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
-
- 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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
-
- 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
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The present invention provides a kind of three-level mixing device of hydrodynamics automatic control, it includes sequentially connected three-level mixed structure, level-one mixed structure includes venturi mixer, the second level mixed structure includes the static mixer for being connected to the venturi mixer discharge port, the three-level mixed structure includes the agitator tank for being connected to the static mixer discharge port, two layers of agitating paddle in the agitator tank, the motor of two layers of agitating paddle of ball-cock assembly and driving in the agitator tank, the ball-cock assembly corresponds to the feed inlet setting of the agitator tank to block the feed inlet of the agitator tank when liquid level rises to upper limit position, the discharge port of the agitator tank is arranged lower than the feed inlet of the agitator tank.The three-level mixing device of the hydrodynamics automatic control have the advantages that design science, can automatically continuously produce, mixed proportion is stable, equipment investment is low, O&M cost is low.
Description
Technical field
The present invention relates to a kind of fluid mixers, specifically, relate to a kind of three-level mixing of hydrodynamics automatic control
Device.
Background technique
The case where industries such as chemical industry, food, beverage are related to high concentration, two kinds of liquid of low concentration mix, generally there are two kinds
Extreme case: first is that automatization level is too low, a large amount of artificial participations are needed；Another situation is that automatization level is higher, need
A large amount of up-front investments, operation and maintenance cost are higher.
Two kinds of liquid mix the too low situation of the degree of automation and are generally more common in the industries such as small chemical, food, beverage, past
Toward being using manual control or semiautomatic control, operator watches detection instrument, and recording real-time data at the scene, into
Artificial policer operation is completed in the adjustment that pedestrian is, so greatly reduces production efficiency, and manual operation labor intensive increases
Process the difficulty and risk made.And since operator is horizontal different, product design, uniformity etc. are just different.Therefore certainly
The low mode of dynamicization degree is just gradually eliminated.
In recent years, the industries such as high-end chemical industry, food require product stability higher and higher, want to automatization level
Ask also higher and higher, industrial automation technology develops, single-circuit close of conforming to the principle of simplicity with the continuous development of technique and equipment technology
Ring controls the comprehensive automation to cell arrangement, and controlled level is also returned from the simple control loop of one-parameter to multivariable complex control
Road, control framework is also from single unit or production line traffic control to Distributed Control System (DCS control) etc..But advanced control system
System considerably increases production line up-front investment cost, and the operation in later period, in terms of be also required to largely throw
Money.The automatic mode of this mode is only suitable for large-scale high-end enterprise, is very heavy burden to medium-sized and small enterprises, is unfavorable for
The technology shifts of medium-sized and small enterprises.
In addition, traditional industries substantially use intermittent production technology, i.e., compounding is quantitatively carried out using large-scale storage tank and stirred
It mixes, which has intermittent production and cause the problems such as batch products are unstable, produce load adjustment is inconvenient.
For above situation, existing medium-sized and small enterprises are badly in need of that a kind of equipment investment is low, operating cost is low, maintenance and repair expense
It is low and can continuous production, high degree of automation mixing apparatus.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to provide a kind of design science, can automatically continuously give birth to
It produces, the three-level mixing device for the hydrodynamics automatic control that mixed proportion is stable, equipment investment is low, O&M cost is low.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of three-level mixing of hydrodynamics automatic control
Device, including sequentially connected three-level mixed structure, level-one mixed structure include venturi mixer, the second level mixed structure
Static mixer including being connected to the venturi mixer discharge port, the three-level mixed structure include being connected to the static state to mix
The agitator tank of clutch discharge port, two layers of agitating paddle in the agitator tank, the ball-cock assembly in the agitator tank and drive
The motor of dynamic two layers of agitating paddle, the feed inlet that the ball-cock assembly corresponds to the agitator tank are arranged so that liquid level rises to the upper limit
The feed inlet of the agitator tank is blocked when position, the discharge port of the agitator tank is arranged lower than the feed inlet of the agitator tank.
Described on base, in two layers of agitating paddle, upper layer agitating paddle is straight leaf disc agitating paddle, and lower layer's agitating paddle is spiral shell
Vane piece agitating paddle.
Described on base, the main road feed end and bypass feed end of the venturi mixer are mounted on flow control valve.
Described on base, the main road feed end and bypass feed end of the venturi mixer are mounted on flowmeter.
Described on base, the discharge port of the agitator tank includes top discharge mouth and lower discharge port, and the lower discharge port is opened in
The following side of the agitator tank.
Described on base, the bottom end of the agitator tank opens up sewage draining exit and installs sewage draining valve.
Described on base, the bottom end of the agitator tank opens up thief hatch and installs Sampler valves.
Described on base, the auxiliary material feed inlet of the venturi mixer is opened in Venturi tube in the venturi mixer
Contraction section.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, and specifically, the present invention adopts
It is mixed with three-level, the venturi mixer in level-one mixed structure, using the high speed ejection of main road fluid, is formed at bypass end negative
Pressure, negative pressure is that power will mix in auxiliary material sucking venturi mixer according to this, and whole process does not need additionally to add pressurization
Device, to save equipment investment and operating cost.The materials systems such as food-grade PVDF can be used in jet pump used in the present apparatus
At, it is ensured that food safety.
Second level mixed structure is static mixer, using static mixer " segmentation-displacement-overlapping " rule, allows concentrate feed
With the first mixture of raw material in pipeline impact flow inner part flowing plate, increase the velocity gradient of Laminar Flow, thus shape
At turbulent flow, violent vortex is generated in section direction, makes concentrate feed and raw material further sufficiently mixed under the shear action of vortex
It closes uniform.
Three-level mixed structure causes partially liq to flow under mechanical agitation, and working fluid pushes surrounding liquid again
Form circulating fluid in blending tank, form Convention diffusion, working fluid and around occur on interface between low speed liquid stream
Shear action, so as to form eddy diffusivity, so that concentrate feed be made to be uniformly mixed with raw material.
Ball-cock assembly floats with liquid level, the feed inlet of agitator tank is blocked at the liquid level upper limit, charging stops, until under liquid level
Drop, the feed inlet of agitator tank automatically open, and realize and automatically control.
Its with design science, can automatically continuously produce, mixed proportion is stable, equipment investment is low, O&M cost is low
Advantage.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1. venturi mixers；2. main road feed end；3. bypass feed zone；4. flow control valve a；5. flow tune
Save valve b；6. flowmeter a；7. flowmeter b；8. static mixer；9. agitator tank；10. upper layer agitating paddle；11. lower layer's agitating paddle；
12. motor；13. ball-cock assembly；14. the feed inlet of agitator tank；15. top discharge mouth；16. lower discharge port；17. sewage draining valve；18. adopting
Sample valve；19. kinetic pump.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
As shown in Figure 1, a kind of three-level mixing device of hydrodynamics automatic control, including sequentially connected three-level mixed structure,
Level-one mixed structure includes venturi mixer 1, and the main road feed end 2 and bypass feed end 3 of the venturi mixer 1 are pacified
Equipped with flow control valve a4, flow control valve b5, flowmeter a6 and flowmeter b7, the auxiliary material of the venturi mixer 1 is fed
Mouth is opened in the contraction section of Venturi tube in the venturi mixer 1.The second level mixed structure includes being connected to the literary mound
In mixer discharge port static mixer 8, the three-level mixed structure includes being connected to stirring for 8 discharge port of static mixer
It mixes tank 9, two layers of agitating paddle in the agitator tank 9, the ball-cock assembly 13 in the agitator tank 9 and drives described in two layers
The feed inlet 14 of the motor 12 of agitating paddle, the corresponding agitator tank of the ball-cock assembly 13 is arranged so that liquid level rises to upper limit position
When block the feed inlet 14 of the agitator tank, the discharge port of the agitator tank 9 is arranged lower than the feed inlet 14 of the agitator tank, institute
The discharge port for stating agitator tank 9 includes top discharge mouth 15 and lower discharge port 16, and the lower discharge port 16 is opened in the agitator tank 9
Following side.The bottom end of the agitator tank 9 opens up sewage draining exit and installs sewage draining valve 17, also open up thief hatch and install Sampler valves
18, facilitate midway to sample.In two layers of agitating paddle, upper layer agitating paddle 10 is straight leaf disc agitating paddle, lower layer's agitating paddle 11
For helical blade stirrer paddle.
When specifically used, main road feed end 2 is connected at stoste storage, and bypass feed end 3 connects at concentrate feed storage, will be led
The flow control valve a and flow control valve b of road feed end 2 and auxiliary material feed end 3 are opened, and are utilized respectively flowmeter a and flow
The feed rate of two-way is configured by meter b according to scheduled proportion, and main road feed end 2 connects a kinetic pump 19, generallys use
Stoste is transported to venturi mixer 1 by centrifugal pump, and when stoste high speed passes through Venturi tube, bypass feed end 3 forms vacuum
Negative pressure sucks concentrate feed in venturi mixer 1, carries out stoste and mixes with the first of concentrate feed, whole process does not need volume
Outer addition supercharging device, to save equipment investment and operating cost.Kinetic pump 19 used in the present apparatus and venturi mixing
Device 1 can be used the materials such as food-grade PVDF and be made, it is ensured that food safety.
After venturi mixer 1 tentatively mixing, mixed liquor enters in second level mixed structure static mixer 8, and utilization is quiet
State mixer 8 " segmentation-displacement-overlapping " rule, allows the first mixture of concentrate feed and raw material impact flow inner part in pipeline
Flowing plate, increases the velocity gradient of Laminar Flow, to form turbulent flow, violent vortex is generated in section direction, is being vortexed
Shear action under make concentrate feed and raw material is further sufficiently mixed uniformly.
Then, into three-level mixed structure, in two layers of agitating paddle, upper layer agitating paddle 10 is six straight leaves based on radial flow
Disk agitating paddle, lower layer's agitating paddle 11 are the propeller based on axial stream.Under mechanical agitation, cause partially liq
Flowing, working fluid push surrounding liquid to form circulating fluid in agitator tank 9 again, formation Convention diffusion, in working fluid and
There is shear action on interface between surrounding low speed liquid stream, so as to form eddy diffusivity, to keep concentrate feed and raw material mixed
It closes uniform.9 liang of discharge outlet mounting ball valves of agitator tank are respectively used to the extraction of control product.The opening of 9 bottom of agitator tank is also divided
Other mounting ball valve can be respectively used to take sample, or when product volume is less in agitator tank, can use extraction product.
Automatically control aspect, the feed inlet 14 of corresponding agitator tank installs ball-cock assembly 13, when liquid level reaches the upper limit, floating ball with
Liquid level rises, and valve is closed, and blocks the feed inlet 14 of agitator tank.In float valve action process, fluid flow is gradually reduced,
Fluid dynamic energy gradually declines, so that the bypass vacuum degree of Venturi tube mixer 1 declines, with the disappearance auxiliary flow of main road flow velocity
Speed disappears, to realize that raw material, concentrate feed are simultaneously stopped conveying；It runs well in agitator tank 9 simultaneously, mixed liquor is from top discharge mouth
15 discharges, liquid level decline, when liquid level declines certain position, valve is opened, and main road fluid restores flowing, extensive with flow
Multiple, bypass vacuum degree rises, to restore raw material, concentrate feed etc. while convey mixing, realizes and automatically controls.
When the raw material of a batch has produced, two discharge ports of 9 side of agitator tank are all opened, and empty agitator tank 9,
Entire pipeline process is cleaned, the residue of 9 bottom of agitator tank is discharged from sewage draining valve 17.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (7)
1. a kind of three-level mixing device of hydrodynamics automatic control, it is characterised in that: it includes sequentially connected three-level mixed structure,
Level-one mixed structure includes venturi mixer, and second level mixed structure includes the static state for being connected to the venturi mixer discharge port
Mixer, three-level mixed structure include the agitator tank for being connected to the static mixer discharge port, two in the agitator tank
Layer agitating paddle, the ball-cock assembly in the agitator tank and the motor for driving two layers of agitating paddle, the ball-cock assembly correspond to institute
The feed inlet setting of agitator tank is stated to block the feed inlet of the agitator tank, the agitator tank when liquid level rises to upper limit position
Discharge port be arranged lower than the feed inlet of the agitator tank, the venturi mixer connects a main road and a bypass, the text
The auxiliary material feed inlet of mixer is opened in the contraction section of Venturi tube in the venturi mixer, two layers of stirring in mound
In paddle, upper layer agitating paddle is straight leaf disc agitating paddle, and lower layer's agitating paddle is helical blade stirrer paddle.
2. the three-level mixing device of hydrodynamics automatic control according to claim 1, it is characterised in that: the venturi mixing
The main road feed end and bypass feed end of device are mounted on flow control valve.
3. the three-level mixing device of hydrodynamics automatic control according to claim 2, it is characterised in that: the venturi mixing
The main road feed end and bypass feed end of device are mounted on flowmeter.
4. the three-level mixing device of hydrodynamics automatic control according to claim 1 or 2 or 3, it is characterised in that: the stirring
The discharge port of tank includes top discharge mouth and lower discharge port, and the lower discharge port is opened in the following side of the agitator tank.
5. the three-level mixing device of hydrodynamics automatic control according to claim 1 or 2 or 3, it is characterised in that: the stirring
The bottom end of tank opens up sewage draining exit and installs sewage draining valve.
6. the three-level mixing device of hydrodynamics automatic control according to claim 4, it is characterised in that: the bottom of the agitator tank
End opens up sewage draining exit and installs sewage draining valve.
7. the three-level mixing device of hydrodynamics automatic control described according to claim 1 or 2 or 3 or 6, it is characterised in that: described
The bottom end of agitator tank opens up thief hatch and installs Sampler valves.
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| CN201610226022.9A CN105688729B (en) | 2016-04-13 | 2016-04-13 | The three-level mixing device of hydrodynamics automatic control |
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| CN201610226022.9A CN105688729B (en) | 2016-04-13 | 2016-04-13 | The three-level mixing device of hydrodynamics automatic control |
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| CN105688729A CN105688729A (en) | 2016-06-22 |
| CN105688729B true CN105688729B (en) | 2019-03-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107520987A (en) * | 2017-09-30 | 2017-12-29 | 京华派克邯郸机械科技有限公司 | A kind of more component mixing arrangements |
| CN111559038A (en) * | 2020-06-30 | 2020-08-21 | 梁志刚 | Wind driven generator blade filling machine |
| CN113262700B (en) * | 2020-07-10 | 2023-06-30 | 赣州骏友机械设备有限公司 | Two-stage horizontal shunt mixer for mine paste stirring |
| CN112844180A (en) * | 2020-12-29 | 2021-05-28 | 煤炭科学技术研究院有限公司 | External forced dispersing device for improving dispersing and mixing capacity of stirring kettle |
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| JP2000354748A (en) * | 1999-06-15 | 2000-12-26 | Mitsubishi Kakoki Kaisha Ltd | Kneading of powder and liquid and device therefor |
| CN2827519Y (en) * | 2005-10-13 | 2006-10-18 | 南京红宝丽股份有限公司 | Combined mixer of strengthening mixing effect |
| CN101395207A (en) * | 2006-12-21 | 2009-03-25 | 克莱顿聚合物研究有限公司 | Process for the preparation of an artificial latex |
| CN203513537U (en) * | 2013-08-27 | 2014-04-02 | 仙桃市康化科技有限公司 | P-benzoquinone cyclic crystallization device |
| CN205599068U (en) * | 2016-04-13 | 2016-09-28 | 赵扬 | Automatic control formula three level hybrid device |
-
2016
- 2016-04-13 CN CN201610226022.9A patent/CN105688729B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000354748A (en) * | 1999-06-15 | 2000-12-26 | Mitsubishi Kakoki Kaisha Ltd | Kneading of powder and liquid and device therefor |
| CN2827519Y (en) * | 2005-10-13 | 2006-10-18 | 南京红宝丽股份有限公司 | Combined mixer of strengthening mixing effect |
| CN101395207A (en) * | 2006-12-21 | 2009-03-25 | 克莱顿聚合物研究有限公司 | Process for the preparation of an artificial latex |
| CN203513537U (en) * | 2013-08-27 | 2014-04-02 | 仙桃市康化科技有限公司 | P-benzoquinone cyclic crystallization device |
| CN205599068U (en) * | 2016-04-13 | 2016-09-28 | 赵扬 | Automatic control formula three level hybrid device |
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| CN105688729A (en) | 2016-06-22 |
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Effective date of registration: 20190403 Address after: 450042 Henan Applied Technology Vocational College, 548 Zhengshang Road, Zhongyuan District, Zhengzhou City, Henan Province Patentee after: HENAN VOCATIONAL COLLEGE OF APPLIED TECHNOLOGY Address before: 450042 Henan Applied Technology Vocational College, 548 Zhengshang Road, Zhongyuan District, Zhengzhou City, Henan Province Patentee before: Zhao Yang |