CN105688729A - Hydromechanical auto-control three-stage mixing equipment - Google Patents
Hydromechanical auto-control three-stage mixing equipment Download PDFInfo
- Publication number
- CN105688729A CN105688729A CN201610226022.9A CN201610226022A CN105688729A CN 105688729 A CN105688729 A CN 105688729A CN 201610226022 A CN201610226022 A CN 201610226022A CN 105688729 A CN105688729 A CN 105688729A
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- CN
- China
- Prior art keywords
- agitator tank
- hydrodynamics
- mixing device
- automatic control
- control according
- 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.)
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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
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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
- 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 invention provides hydromechanical auto-control three-stage mixing equipment which comprises a first-stage mixing structure, a second-stage mixing structure and a third-stage mixing structure connected in sequence. The first-stage mixing structure comprises a venturi mixer; the second-stage mixing structure comprises a static mixer which is communicated with a discharge outlet of the venturi mixer. The third-stage mixing structure comprises a stirring tank, a two-layer stirring paddle, a float valve and a motor; the stirring tank is communicated with a discharge outlet of the static mixer, the two-layer stirring paddle is arranged in the stirring tank, the float valve is arranged in the stirring tank, and the motor drives the two-layer stirring paddle. The float valve is arranged by corresponding to a feed inlet of the stirring tank so that liquid level raises to the upper limit to block the feed inlet of the stirring tank, and a discharge outlet of the stirring tank is lower than the feed inlet of the stirring tank. The hydromechanical auto-control three-stage mixing equipment has the advantages of reasonable design, capability of automatic and continuous production, stable mixing proportion, low input for equipment and low operation and maintenance cost.
Description
Technical field
The present invention relates to a kind of fluid mixer, specifically, relate to the three-level mixing device of a kind of hydrodynamics automatic control。
Background technology
The situation of two kinds of liquid mixing that the industries such as chemical industry, food, beverage relate to high concentration, low concentration generally there are two kinds of extreme cases: one is that automatization level is too low, it is necessary to a large amount of artificial participations；Another kind of situation is that automatization level is higher, it is necessary to a large amount of up-front investments, operation and maintenance cost is higher。
The too low situation of two kinds of liquid mixing automaticities is generally more common in the industries such as small chemical, food, beverage, adopt Artificial Control or semiautomatic control often, operator watches instrumentation at the scene, and recording real-time data, carry out artificial adjustment, complete manual monitoring operation, so greatly reduce production efficiency, manual operation labor intensive, increases difficulty and the danger of work。And owing to operator's level is different, product design, the uniformity etc. are just different。Therefore the mode that automaticity is low is just eliminated gradually。
In recent years, product stability is required more and more higher by the industries such as high-end chemical industry, food, the requirement of automatization level is also more and more higher, industrial automation technology develops along with the development of technique and equipment technology, conform to the principle of simplicity the single-circuit closed loop control comprehensive automation to cell arrangement, control level, also from one-parameter letter single control loop to multivariate complex control loop, controls framework and also controls to Distributed Control System (DCS control) etc. from single unit or production line。But the control system of advanced person considerably increases production line up-front investment cost, and is also required to substantial amounts of investment in the operation in later stage, maintenance, repair etc.。The automatic mode of this mode is only suitable for large-scale high-end enterprise, is the burden weighed very much to medium-sized and small enterprises, is unfavorable for the technology shifts of medium-sized and small enterprises。
It addition, traditional industries substantially adopt intermittent production technology, namely adopting large-scale storage tank quantitatively to carry out composite stirring, this technique existence intermittence produces and causes batch products instability, produces the problems such as load adjustment inconvenience。
For case above, the mixing apparatus that 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 is low and can produce continuously, automaticity is high。
In order to solve above Problems existing, people are seeking a kind of desirably technical solution always。
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, thus provide a kind of design science, can the three-level mixing device of Automatic continuous produces, mixed proportion is stable, equipment investment is low, O&M cost is low hydrodynamics automatic control。
To achieve these goals, the technical solution adopted in the present invention is: the three-level mixing device of a kind of hydrodynamics automatic control, including the three grades of mixed structures being sequentially connected with, one-level mixed structure includes venturi mixer, described two grades of mixed structures include the static mixer connecting described venturi mixer discharging opening, described three grades of mixed structures include the agitator tank connecting described static mixer discharging opening, it is located at the two-layer stirring paddle in described agitator tank, it is located at the ball-cock assembly in described agitator tank and drives the motor of stirring paddle described in two-layer, the charging aperture of the corresponding described agitator tank of described ball-cock assembly is arranged so that liquid level blocks the charging aperture of described agitator tank when rising to upper limit position, the discharging opening of described agitator tank is arranged lower than the charging aperture of described agitator tank。
Described on base, in described two-layer stirring paddle, upper strata stirring paddle is straight leaf disc stirring paddle, and lower floor's stirring paddle is helical blade stirrer oar。
Described on base, main road feed end and the bypass feed end of described venturi mixer are mounted on flow control valve。
Described on base, main road feed end and the bypass feed end of described venturi mixer are mounted on effusion meter。
Described on base, the discharging opening of described agitator tank includes top discharge mouth and lower discharge port, and described lower discharge port is opened in the following side of described agitator tank。
Described on base, the bottom of described agitator tank is offered sewage draining exit and installs sewage draining valve。
Described on base, the bottom of described agitator tank is offered thief hatch and installs Sampler valves。
Described on base, the adjuvant charging aperture of described venturi mixer is opened in described venturi mixer the contraction section of Venturi tube。
Hinge structure of the present invention has prominent substantive distinguishing features and significant progressive, specifically, the present invention adopts three grades of mixing, venturi mixer in one-level mixed structure, the high speed utilizing main road fluid sprays, and forms negative pressure at bypass end, and negative pressure is that adjuvant is sucked in venturi mixer and mixes by power according to this, whole process need not additionally add pressurizer, thus saving equipment investment and operating cost。The ejector pump that this device uses can adopt the materials such as food stage PVDF to make, it is ensured that food safety。
Two grades of mixed structures are static mixer, utilize static mixer " segmentation-displacement-overlapping " rule, allow first compound impact flow internal shunt plate in pipeline of concentrate feed and raw material, increase the velocity gradient of Laminar Flow, thus forming turbulent flow, produce violent eddy current in section direction, make concentrate feed and raw material be sufficiently mixed further uniformly under the shear action of eddy current。
Three grades of mixed structures are under mechanical agitation, partially liq is caused to flow, working fluid promotes again surrounding liquid to form circulating fluid in blending tank, form Convention diffusion, working fluid and around there is shear action in interface between low speed liquid stream, thus defining eddy diffusivity, so that concentrate feed is mixed homogeneously with raw material。
Ball-cock assembly floats with liquid level, blocks the charging aperture of agitator tank at liquid level upper limit place, and charging stops, until liquid level declines, the charging aperture of agitator tank automatically opens up, it is achieved automatically control。
It has design science, can Automatic continuous produce, mixed proportion is stable, equipment investment is low, O&M cost is low advantage。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention。
In figure: 1. venturi mixer；2. main road feed end；3. bypass feed zone；4. flow control valve a；5. flow control valve b；6. effusion meter a；7. effusion meter b；8. static mixer；9. agitator tank；10. upper strata stirring paddle；11. lower floor's stirring paddle；12. motor；13. ball-cock assembly；14. the charging aperture of agitator tank；15. top discharge mouth；16. lower discharge port；17. sewage draining valve；18. Sampler valves；19. kinetic pump。
Detailed description of the invention
Below by detailed description of the invention, technical scheme is described in further detail。
As shown in Figure 1, a kind of three-level mixing device of hydrodynamics automatic control, including the three grades of mixed structures being sequentially connected with, one-level mixed structure includes venturi mixer 1, the main road feed end 2 of described venturi mixer 1 and bypass feed end 3 are mounted on flow control valve a4, flow control valve b5, effusion meter a6 and effusion meter b7, and the adjuvant charging aperture of described venturi mixer 1 is opened in described venturi mixer 1 contraction section of Venturi tube。Described two grades of mixed structures include the static mixer 8 connecting described venturi mixer discharging opening, described three grades of mixed structures include the agitator tank 9 connecting described static mixer 8 discharging opening, it is located at the two-layer stirring paddle in described agitator tank 9, it is located at the ball-cock assembly 13 in described agitator tank 9 and drives the motor 12 of stirring paddle described in two-layer, the charging aperture 14 of the corresponding described agitator tank of described ball-cock assembly 13 arranges to block the charging aperture 14 of described agitator tank when liquid level rises to upper limit position, the discharging opening of described agitator tank 9 is arranged lower than the charging aperture 14 of described agitator tank, the discharging opening of described agitator tank 9 includes top discharge mouth 15 and lower discharge port 16, described lower discharge port 16 is opened in the following side of described agitator tank 9。The bottom of described agitator tank 9 is offered sewage draining exit and installs sewage draining valve 17, also offers thief hatch and installs Sampler valves 18, the sampling of convenient midway。In described two-layer stirring paddle, upper strata stirring paddle 10 is straight leaf disc stirring paddle, and lower floor's stirring paddle 11 is helical blade stirrer oar。
Time specifically used, main road feed end 2 connects stock solution storage place, bypass feed end 3 connects concentrate feed storage place, the flow control valve a of main road feed end 2 and adjuvant feed end 3 and flow control valve b is opened, and be utilized respectively effusion meter a and effusion meter b the feed rate of two-way is configured according to predetermined proportioning, main road feed end 2 connects a kinetic pump 19, generally adopt centrifugal pump, stock solution is transported to venturi mixer 1, in stock solution at a high speed through Venturi tube, bypass feed end 3 forms negative pressure of vacuum, concentrate feed is sucked in venturi mixer 1, carry out stock solution to mix with the first of concentrate feed, whole process need not additionally add pressurizer, thus saving equipment investment and operating cost。Kinetic pump 19 and venturi mixer 1 that this device uses can adopt the materials such as food stage PVDF to make, it is ensured that food safety。
After venturi mixer 1 tentatively mixes, mixed liquor enters in two grades of mixed structure static mixers 8, utilize static mixer 8 " segmentation-displacement-overlapping " rule, allow first compound impact flow internal shunt plate in pipeline of concentrate feed and raw material, increase the velocity gradient of Laminar Flow, thus forming turbulent flow, producing violent eddy current in section direction, making concentrate feed and raw material be sufficiently mixed further uniformly under the shear action of eddy current。
Then, entering in three grades of mixed structures, in two-layer stirring paddle, upper strata stirring paddle 10 is radial flow is the six straight leaf disc stirring paddles led, and lower floor's stirring paddle 11 is axial stream is the propeller led。Under mechanical agitation, partially liq is caused to flow, working fluid promotes again surrounding liquid to form circulating fluid in agitator tank 9, form Convention diffusion, working fluid and around there is shear action in interface between low speed liquid stream, thus defining eddy diffusivity, so that concentrate feed is mixed homogeneously with raw material。9 liang of discharge outlet mounting ball valves of agitator tank, are respectively used to control the extraction of product。Opening bottom agitator tank 9 is also respectively mounted ball valve, can be respectively used to take sample, or when in agitator tank, product volume is less, available extraction product。
Automatically controlling aspect, the charging aperture 14 of corresponding agitator tank installs ball-cock assembly 13, and when liquid level reaches the upper limit, ball float rises with liquid level, valve closing, the charging aperture 14 of closure agitator tank。In float valve course of action, fluid flow gradually reduces, and fluid dynamic energy progressively declines, thus the bypass vacuum of Venturi tube mixer 1 declines, along with the disappearance of main road flow velocity assists flow velocity to disappear, thus realize raw material, concentrate feed to stop conveying simultaneously；Running well in agitator tank 9, mixed liquor is discharged from top discharge mouth 15 simultaneously, and liquid level declines, when liquid level decline certain position, valve is opened, and main road fluid recovers flowing, along with the recovery of flow, bypass vacuum rises, thus recover raw material, concentrate feed etc. to carry mixing simultaneously, it is achieved automatically control。
When the raw material production of batch is complete, two discharging openings of agitator tank 9 sidepiece are all opened, and empty agitator tank 9, clean whole pipeline flow process, and the residue bottom agitator tank 9 is discharged from sewage draining valve 17。
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit；Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or portion of techniques feature carries out equivalent replacement；Without deviating from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention is claimed。
Claims (10)
1. the three-level mixing device of a hydrodynamics automatic control, it is characterized in that: it includes the three grades of mixed structures being sequentially connected with, one-level mixed structure includes venturi mixer, described two grades of mixed structures include the static mixer connecting described venturi mixer discharging opening, described three grades of mixed structures include the agitator tank connecting described static mixer discharging opening, it is located at the two-layer stirring paddle in described agitator tank, it is located at the ball-cock assembly in described agitator tank and drives the motor of stirring paddle described in two-layer, the charging aperture of the corresponding described agitator tank of described ball-cock assembly is arranged so that liquid level blocks the charging aperture of described agitator tank when rising to upper limit position, the discharging opening of described agitator tank is arranged lower than the charging aperture of described agitator tank。
2. the three-level mixing device of hydrodynamics automatic control according to claim 1, it is characterised in that: in described two-layer stirring paddle, upper strata stirring paddle is straight leaf disc stirring paddle, and lower floor's stirring paddle is helical blade stirrer oar。
3. the three-level mixing device of hydrodynamics automatic control according to claim 1 and 2, it is characterised in that: main road feed end and the bypass feed end of described venturi mixer are mounted on flow control valve。
4. the three-level mixing device of hydrodynamics automatic control according to claim 3, it is characterised in that: main road feed end and the bypass feed end of described venturi mixer are mounted on effusion meter。
5. the three-level mixing device of the hydrodynamics automatic control according to claim 1 or 2 or 4, it is characterised in that: the discharging opening of described agitator tank includes top discharge mouth and lower discharge port, and described lower discharge port is opened in the following side of described agitator tank。
6. the three-level mixing device of the hydrodynamics automatic control according to claim 1 or 2 or 4, it is characterised in that: the bottom of described agitator tank is offered sewage draining exit and installs sewage draining valve。
7. the three-level mixing device of hydrodynamics automatic control according to claim 5, it is characterised in that: the bottom of described agitator tank is offered sewage draining exit and installs sewage draining valve。
8. the three-level mixing device of the hydrodynamics automatic control according to claim 1 or 2 or 4 or 7, it is characterised in that: the bottom of described agitator tank is offered thief hatch and installs Sampler valves。
9. the three-level mixing device of the hydrodynamics automatic control according to claim 1 or 2 or 4 or 7, it is characterised in that: the adjuvant charging aperture of described venturi mixer is opened in described venturi mixer the contraction section of Venturi tube。
10. the three-level mixing device of hydrodynamics automatic control according to claim 8, it is characterised in that: the adjuvant charging aperture of described venturi mixer is opened in described venturi mixer the contraction section of Venturi tube。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226022.9A CN105688729B (en) | 2016-04-13 | 2016-04-13 | The three-level mixing device of hydrodynamics automatic control |
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| Application Number | Priority Date | Filing Date | Title |
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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 true CN105688729A (en) | 2016-06-22 |
| CN105688729B CN105688729B (en) | 2019-03-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN113262700A (en) * | 2020-07-10 | 2021-08-17 | 谢天 | Two-stage horizontal split-flow mixer for stirring mine paste |
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| 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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2016
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Patent Citations (5)
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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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113262700A (en) * | 2020-07-10 | 2021-08-17 | 谢天 | Two-stage horizontal split-flow mixer for stirring mine paste |
| 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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| Publication number | Publication date |
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| CN105688729B (en) | 2019-03-01 |
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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 |