CN107219869A - A kind of automatic emulsion proportioning control method and system - Google Patents
A kind of automatic emulsion proportioning control method and system Download PDFInfo
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- CN107219869A CN107219869A CN201710493379.8A CN201710493379A CN107219869A CN 107219869 A CN107219869 A CN 107219869A CN 201710493379 A CN201710493379 A CN 201710493379A CN 107219869 A CN107219869 A CN 107219869A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/139—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring a value related to the quantity of the individual components and sensing at least one property of the mixture
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Abstract
The invention discloses a kind of automatic emulsion proportioning control method and system, water source is linked in sequence filter, pressure-reducing valve, water supply electromagnetic valve, flowmeter successively by pipeline, the outlet of flowmeter is connected to flow mixing device entrance, oil sources connects the entrance of fuel tank by oil feed pump, the outlet of fuel tank is sequentially connected emulsification oil pump and flowmeter by pipeline, flow mixing device entrance is then connected to, the outlet of flow mixing device is connected to the entrance of emulsion box.The concentration of emulsion used in emulsion box, liquid level are measured by sensor；If concentration is not within the scope of defined, the volume of emulsion box reclaimed water and oil is calculated according to detected value, then calculates determination and is corrected to the water filled into needed for normal concentration, the volume of oil；Then control executing agency action.This process only to concentration of emulsion used correction in case once, it is normal concentration 4% to make concentration of emulsion used, to corresponding water supply electromagnetic valve or emulsification oil pump start and stop once, it is to avoid the frequent start-stop of motor, extends equipment life.
Description
Technical field
It is specially that one kind is emulsified based on mining pumping plant the present invention relates to a kind of automatic emulsion proportioning control method and system
Liquid automatic mixing system.
Background technology
Emulsion is obtained as a kind of working media in the hydraulic prop equipment such as coal mine hydraulic supporting and hydraulic prop
To being widely applied.And concentration of emulsion used is to influence an important indicator of emulsion performance, the whether appropriate direct shadow of its concentration
Ring the working life and production cost to hydraulic support and hydraulic prop.The too low lubricity that can make Hydraulic Elements of concentration, antirust
Property and stability substantially reduce, while influenceing equipment life and safety in production.Excessive concentration can make the increase of oil emulsion consumption, increase
Production cost.Therefore, in order to extend hydraulic prop equipment service life and reduction production cost, it is necessary to strictly control emulsion
Concentration.China《Safety regulations in coal mine》Regulation：Mining emulsion density is general between 3%~5%.Therefore it is accurate, stably,
Fast and efficiently Automatic Mixing System of Emulsion is even more important.
Existing Automatic Mixing System of Emulsion mainly has two major classes：One class is automatic according to hydrodynamics or volume characteristics
Proportioning, i.e., matched using mechanical device.Its is simple in construction, with low cost.But its burden control principle is opened loop control, proportioning essence
Degree is not high, and concentration of emulsion used fluctuation is big；It is another kind of be completely by controller control valve door or feed flow pump motor feedwater, fuel feeding, by
Concentration, liquid level sensor etc. are monitored, via controller analyzing and processing, and regulation is supplied water or fuel feeding revolution speed and then correction emulsion
Concentration.But because the interference that liquid pump and settling tank etc. are benefited from during emulsion use is larger, cause the fluctuation of concentration of emulsion used,
So as to cause proportioning pump frequent start-stop, rotating speed is continually changing, and reduces the service life and stability of whole system, and it is controlled
Process is complex, and whole system cost is higher.So studying, a kind of matched proportion density is accurate, it is simple, with low cost to match principle
Automatic emulsion proportioning closed-loop system for increase equipment life, improve production efficiency it is significant.
The content of the invention
Goal of the invention：For above-mentioned prior art, a kind of automatic emulsion proportioning control method and system, Neng Goushi are proposed
Emulsion automation accurate proportioning is now planted, and improves the service life of system.
Technical scheme：A kind of automatic emulsion proportioning control method, comprises the following steps：Pass through concentration sensor, liquid level
Sensor is measured to the concentration of emulsion used in emulsion box, liquid level；If concentration is controlled not within the scope of defined
Device calculates emulsion box reclaimed water and oily volume according to the liquid level that detects with concentration, then calculates determination and be corrected to normal concentration institute
The volume of the water that need to fill into, oil；Corresponding water supply electromagnetic valve or fuel feeding emulsification oil pump are then turned on, is examined by corresponding flowmeter
Observing and controlling system flows into water, the oil of respective volume；If now the liquid level in emulsion box is less than preset value H2, then water supply electromagnetic valve is controlled
Or fuel feeding emulsification oil pump, the water and oil of the corresponding ratio of normal concentration configuration are added, until the liquid level in emulsion box reaches
To preset value H3。
Further, the water supply electromagnetic valve or fuel feeding emulsify oil pump by controller according to the required water filled into, oil
Volume automatically control.
Further, the scope of concentration guidelines is 3~5%, and normal concentration is 4%.
Further, the output of water supply electromagnetic valve and fuel feeding the emulsification oil pump enters emulsion after being mixed by flow mixing device
Case.
Further, control fuel feeding emulsification oil pump takes oil from fuel tank, and passes through the work of controller auto-controlled oil supplying pump
Make, maintain the oil mass in the fuel tank to be located at preset range H0~H1Between.
A kind of automatic emulsion proportioning control system, including pressure-reducing valve, water supply electromagnetic valve, flowmeter, oil feed pump, fuel tank,
Emulsify oil pump, flow mixing device and controller；Water source is linked in sequence pressure-reducing valve, water supply electromagnetic valve, flowmeter successively by pipeline, stream
The outlet of gauge is connected to flow mixing device first entrance；Oil sources connects the entrance of fuel tank by oil feed pump, and the outlet of the fuel tank leads to
Cross pipeline and be sequentially connected emulsification oil pump and flowmeter, be then connected to flow mixing device second entrance；The outlet of the flow mixing device is connected to
The entrance of emulsion box；Concentration of emulsion used sensor, liquid level sensor, the connection of its signal output part are provided with the emulsion box
To controller, the controller connection water supply electromagnetic valve, oil feed pump and the control end for emulsifying oil pump.
Further, the management between the water source and pressure-reducing valve is provided with filter.
Beneficial effect：Compared with traditional mechanical matching method, the present invention uses closed-loop control, by newborn in liquid case
Change the detection of the liquid level and concentration of liquid, accurately fill into corresponding liquid volume, 4% normal concentration can be reached.
It is existing adjusted using frequency converter supply water, fuel feeding revolution speed come the method that is corrected to concentration of emulsion used easily by
With the disturbing of liquid pump and associated inner settling tank, easy overshoot.So as to cause the trimming process time long.The present invention is theoretically
" once correcting " is not in overshoot, and trimming process is short.
The present invention only to corresponding water supply electromagnetic valve or need to emulsify oil pump start and stop once in theory in a trimming process.Keep away
Exempt from the frequent start-stop of motor, extended equipment life, improve the stability of whole system.
The present invention realize it is accurate match somebody with somebody liquid while eliminate the RHVC of complexity, it is to avoid complicated system
Control and regulation, have saved manufacturing cost, have added system reliability.
Brief description of the drawings
Fig. 1 is Automatic Mixing System of Emulsion structural representation；
Wherein reference：1. filter, 2. pressure-reducing valves, 3. water supply electromagnetic valves, 4. flowmeters, 5. oil feed pumps, 6. fuel tanks,
7. emulsify oil pump, 8. flow mixing devices, 9. emulsion box；
Fig. 2 is oil tank liquid level control flow chart；
Fig. 3 is automatic emulsion proportioning flow chart.
Embodiment
The present invention is done below in conjunction with the accompanying drawings and further explained.
As shown in figure 1, a kind of automatic emulsion proportioning control system, including filter, pressure-reducing valve, water supply electromagnetic valve, stream
Gauge, oil feed pump, fuel tank, emulsification oil pump, flow mixing device and controller.Water source be linked in sequence successively by pipeline filter, subtract
Pressure valve, water supply electromagnetic valve, flowmeter, the outlet of flowmeter are connected to flow mixing device first entrance.Oil sources connects oil by oil feed pump
The entrance of case, the outlet of fuel tank is sequentially connected emulsification oil pump and flowmeter by pipeline, is then connected to flow mixing device second entrance.It is mixed
The outlet of stream device is connected to the entrance of emulsion box.Concentration of emulsion used sensor, liquid level sensor are provided with emulsion box, it is believed
Number output end is connected to controller, controller connection water supply electromagnetic valve, oil feed pump and the control end for emulsifying oil pump.
In the system, water supply electromagnetic valve, oil feed pump, emulsification oil pump keep oil level in fuel tank as executing agency, oil feed pump
In setting range, water supply electromagnetic valve supplies water into emulsion box respectively with emulsification oil pump, fuel feeding.Concentration of emulsion used sensor,
Liquid level sensor, flowmeter are carried out to the concentration in emulsion box, liquid level and inflow, oil inlet quantity respectively as testing agency
Detection.Controller uses in Siemens 200PLC, emulsion box and sets settling tank and spill box.
After a kind of automatic emulsion proportioning control method, system boot, controller coordinates with oil feed pump, it is ensured that in oil feeding reservoirs
Oil level is in preset range H0~H1Between, as shown in Fig. 2 can be at any time by emulsifying oil pump to emulsion tank fuel feeding.Meanwhile, lead to
Over-richness sensor, liquid level sensor are measured to the concentration of emulsion used in emulsion box, liquid level.Judged by controller,
If concentration is not within the scope of defined 3~5%, controller is calculated in emulsion box according to the liquid level detected with concentration
The volume of water and oil, then calculate and determine to be corrected to the water filled into needed for normal concentration, the volume of oil, wherein liquid level in emulsion box
Determined in advance with the relation of volume.Corresponding water supply electromagnetic valve or fuel feeding emulsification oil pump are then turned on, passes through corresponding flow
Meter detection control flows into water, the oil of respective volume, so that the concentration to emulsion in liquid case is accurately corrected, such as Fig. 3 institutes
Show.If now the liquid level in emulsion box is less than preset value H2, then controller automatic controlling water supplying magnetic valve or fuel feeding breast are passed through
Carburetion pump, adds the water and oil of the corresponding ratio of normal concentration configuration, until the liquid level in emulsion box reaches preset value H3.Its
In, the output of water supply electromagnetic valve and fuel feeding emulsification oil pump enters emulsion box after being mixed by flow mixing device.
Only to concentration of emulsion used correction in case, once, after correction terminates, its concentration of emulsion used should be mark to this process in theory
Quasi- concentration 4%.Because whole liquid-supplying system is enclosed construction, general in course of normal operation is not in run liquid leakage, with
The carry out emulsion of work can also mix more and more uniform.Unless whole system is switched to manual proportioning, and generally, breast
Changing liquid concentration can be constant 4%.Unless concentration deflects away from defined 3~5% scopes, otherwise it is not corrected.Normal one
Under automatic mixing mode of operation, it is only necessary to its concentration correction once.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of automatic emulsion proportioning control method, it is characterised in that comprise the following steps：Pass through concentration sensor, liquid level
Sensor is measured to the concentration of emulsion used in emulsion box, liquid level；If concentration is controlled not within the scope of defined
Device calculates emulsion box reclaimed water and oily volume according to the liquid level that detects with concentration, then calculates determination and be corrected to normal concentration institute
The volume of the water that need to fill into, oil；Corresponding water supply electromagnetic valve or fuel feeding emulsification oil pump are then turned on, is examined by corresponding flowmeter
Observing and controlling system flows into water, the oil of respective volume；If now the liquid level in emulsion box is less than preset value H2, then water supply electromagnetic valve is controlled
Or fuel feeding emulsification oil pump, the water and oil of the corresponding ratio of normal concentration configuration are added, until the liquid level in emulsion box reaches
To preset value H3。
2. automatic emulsion proportioning control method according to claim 1, it is characterised in that the water supply electromagnetic valve or confession
Oil emulsified pump is automatically controlled by controller according to the volume of the required water filled into, oil.
3. automatic emulsion proportioning control method according to claim 2, it is characterised in that the scope of concentration guidelines is 3
~5%, normal concentration is 4%.
4. automatic emulsion proportioning control method according to claim 2, it is characterised in that the water supply electromagnetic valve and confession
The output of oil emulsified pump enters emulsion box after being mixed by flow mixing device.
5. automatic emulsion proportioning control method according to claim 2, it is characterised in that control fuel feeding emulsify oil pump from
Oil is taken in fuel tank, and by the work of controller auto-controlled oil supplying pump, maintains the oil mass in the fuel tank to be located at preset range
H0~H1Between.
6. a kind of automatic emulsion proportioning control system, it is characterised in that：Including pressure-reducing valve, water supply electromagnetic valve, flowmeter, fuel feeding
Pump, fuel tank, emulsification oil pump, flow mixing device and controller；Water source be linked in sequence successively by pipeline pressure-reducing valve, water supply electromagnetic valve,
Flowmeter, the outlet of flowmeter is connected to flow mixing device first entrance；Oil sources connects the entrance of fuel tank, the fuel tank by oil feed pump
Outlet emulsification oil pump and flowmeter is sequentially connected by pipeline, be then connected to flow mixing device second entrance；The flow mixing device goes out
Mouth is connected to the entrance of emulsion box；Concentration of emulsion used sensor, liquid level sensor are provided with the emulsion box, its signal is defeated
Go out end and be connected to controller, the controller connection water supply electromagnetic valve, oil feed pump and the control end for emulsifying oil pump.
7. automatic emulsion proportioning control system according to claim 6, it is characterised in that：The water source and pressure-reducing valve it
Between management be provided with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710493379.8A CN107219869A (en) | 2017-06-23 | 2017-06-23 | A kind of automatic emulsion proportioning control method and system |
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| CN201710493379.8A CN107219869A (en) | 2017-06-23 | 2017-06-23 | A kind of automatic emulsion proportioning control method and system |
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| CN107219869A true CN107219869A (en) | 2017-09-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252165A (en) * | 2019-07-19 | 2019-09-20 | 辽宁联胜机械制造有限公司 | Emulsion proportioning system |
| CN111530315A (en) * | 2020-05-07 | 2020-08-14 | 青岛中加特电气股份有限公司 | Method, equipment and storage medium for controlling concentration ratio of emulsion |
| CN112506240A (en) * | 2020-11-20 | 2021-03-16 | 广德君安达消防科技有限公司 | Intelligent liquid mixing and proportioning method and system |
| CN113101858A (en) * | 2021-03-18 | 2021-07-13 | 北京天地玛珂电液控制系统有限公司 | Emulsion proportioning and correcting device and control system |
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| CN102120151A (en) * | 2010-01-07 | 2011-07-13 | 淮南矿业(集团)有限责任公司 | Emulsion preparing system and method |
| CN203370487U (en) * | 2013-07-22 | 2014-01-01 | 深圳市天得一环境科技有限公司 | Automatic preparing machine for water-soluble cutting oil with certain concentration |
| CN105921040A (en) * | 2016-05-13 | 2016-09-07 | 北京煤科天玛自动化科技有限公司 | Full-automatic real-time proportioning and concentration correcting control method for emulsified liquid |
| CN206240338U (en) * | 2016-12-08 | 2017-06-13 | 四川达竹煤电(集团)有限责任公司斌郎煤矿 | Underground coal mine emulsification pump automatic control system |
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| CN102120151A (en) * | 2010-01-07 | 2011-07-13 | 淮南矿业(集团)有限责任公司 | Emulsion preparing system and method |
| CN203370487U (en) * | 2013-07-22 | 2014-01-01 | 深圳市天得一环境科技有限公司 | Automatic preparing machine for water-soluble cutting oil with certain concentration |
| CN105921040A (en) * | 2016-05-13 | 2016-09-07 | 北京煤科天玛自动化科技有限公司 | Full-automatic real-time proportioning and concentration correcting control method for emulsified liquid |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252165A (en) * | 2019-07-19 | 2019-09-20 | 辽宁联胜机械制造有限公司 | Emulsion proportioning system |
| CN111530315A (en) * | 2020-05-07 | 2020-08-14 | 青岛中加特电气股份有限公司 | Method, equipment and storage medium for controlling concentration ratio of emulsion |
| CN112506240A (en) * | 2020-11-20 | 2021-03-16 | 广德君安达消防科技有限公司 | Intelligent liquid mixing and proportioning method and system |
| CN113101858A (en) * | 2021-03-18 | 2021-07-13 | 北京天地玛珂电液控制系统有限公司 | Emulsion proportioning and correcting device and control system |
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Application publication date: 20170929 |