CN101574633A - Method for compounding concentration of emulsion used for rolling mill and compounding device - Google Patents

Method for compounding concentration of emulsion used for rolling mill and compounding device Download PDF

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Publication number
CN101574633A
CN101574633A CNA2009100528740A CN200910052874A CN101574633A CN 101574633 A CN101574633 A CN 101574633A CN A2009100528740 A CNA2009100528740 A CN A2009100528740A CN 200910052874 A CN200910052874 A CN 200910052874A CN 101574633 A CN101574633 A CN 101574633A
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China
Prior art keywords
emulsion
total amount
crude oil
desalted water
pump
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CNA2009100528740A
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Chinese (zh)
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CN101574633B (en
Inventor
周光升
刘兴祥
周玉军
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Baosteel Engineering and Technology Group Co Ltd
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Shanghai Baogang Engineering Technology Co Ltd
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Publication of CN101574633B publication Critical patent/CN101574633B/en
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Abstract

The invention relates to a method for compounding concentration of emulsion used for a rolling mill, wherein the process of adopting crude oil to prepare the emulsion is realized by flow-controlled adding process of crude oil and the process of adopting desalted water to prepare the emulsion is realized by flow-controlled adding process of desalted water. The crude oil is transferred to an emulsion main tank from a crude oil tank through a dispensing pump and a flow meter is adopted to monitor flow data of the crude oil and the flow data is sent to a control processing unit; and the desalted water is transferred to the emulsion main tank from a desalted water tank through a desalted-water pump and a flow meter is adopted to monitor the flow data of the desalted water and the flow data is sent to a control processing unit. The compounding device comprises the crude-oil tank, the dispensing pump, the desalted water tank, the desalted water pump, the emulsion main tank, two flow meters and two control processing units. With the invention, the concentration of the emulsion can be easily controlled and the precision is high; the operation is simple, convenient and feasible and the maintenance is convenient; both contamination and waste can be reduced; the manufacturing cost can be reduced; and the lubricating effect of the emulsion is good and the service life of rollers can be prolonged.

Description

Concentration of emulsion used for rolling mill compound method and device for formulating
Technical field
The present invention relates to metallurgical equipment cooling and lubricating system field, particularly a kind of concentration of emulsion used for rolling mill compound method and device for formulating.
Background technology
At present, generally adopt cooling and the lubricant of emulsion, band steel and roll are cooled off and lubricate as tandem mill; Functions such as that emulsion also has is energy-conservation, cleaning, antirust, control template.The emulsion of high-quality has good cooling effect, the heat that produces in the operation of rolling in time can be taken away, and obtains template control preferably; The lubrication that it is good, can breaker roll lubricated preferably, reduce roll-force, reduce roll wear, thereby increase the service life and save electric energy.
Emulsion is to be formed by crude oil and desalted water configuration, different rolled products and specification, require different concentration of emulsion used, generally do not wait 0.1%~10%, whether normally concentration of emulsion used is most important to the cooling and the lubrication of milling train, directly have influence on the plate face quality of rolling operation and product.The configuration of concentration of emulsion used generally is by adding water or refueling and control, majority is that employing is manually operated, but the improper meeting of compound method causes density unevenness weighing apparatus or concentration to adjust untimely, and the volumetric expansion that emulsion system can occur, emulsion is produced to efflux, not only waste resource but also cause environmental pollution, wherein mainly have the problem of the following aspects:
1, the concentration configuration is untimely, not in place;
2, be prone to the volumetric expansion of emulsion, cause to efflux, not only wasted resource but also contaminated environment;
3, cooling effect is bad, and surface quality is difficult to control;
4, lubricant effect is bad, and roll-force is big, roll shortening in service life;
5, operation is cumbersome.
Summary of the invention
Task of the present invention provides a kind of concentration of emulsion used for rolling mill compound method and device for formulating, it has solved above existing in prior technology problem, especially having solved concentration of emulsion used for rolling mill disposes inhomogeneous untimely, and easily cause the emulsion volume to expand and excessive problem of environment pollution caused has obtained good technological effect and production efficiency.
Technical solution of the present invention is as follows:
A kind of concentration of emulsion used for rolling mill compound method, adopt crude oil or desalted water preparation emulsion, adopting crude oil preparation emulsion is to realize by the flow-control adding technology of crude oil, and adopting desalted water preparation emulsion is to realize by the flow-control adding technology of desalted water;
The flow-control adding technology of described crude oil comprises the steps:
A1, crude oil are sent into the emulsion main tank by gasoline pump from petroleum tank;
A2, utilize ducted oil flow data between flowmeter monitoring gasoline pump and the emulsion main tank, and the oil flow data are sent to controlled processing unit;
A3, controlled processing unit based on crude data on flows and time, the actual adding total amount of crude oil in the unit of account time, and the keying of control gasoline pump;
The flow-control adding technology of described desalted water comprises the steps:
B1, desalted water are sent into the emulsion main tank by the desalination water pump from the desalination water pot;
B2, utilize ducted desalted water data on flows between flowmeter monitoring desalination water pump and the emulsion main tank, and the desalted water data on flows is sent to controlled processing unit;
B3, controlled processing unit be according to desalted water data on flows and time, the actual adding total amount of desalted water in the unit of account time, and the keying of control desalination water pump.
Also comprise before the steps A 1 of the flow-control adding technology of described crude oil: the expectation of crude oil adds total amount in the controlled processing unit storage cell time.
In the described steps A 3, the expectation of crude oil adding total amount in the actual adding total amount of crude oil and unit interval when reality adding total amount adds total amount more than or equal to expectation, sends keying and orders gasoline pump in the controlled processing unit comparative unit time, close gasoline pump, finish the adding of crude oil; When reality adds total amount less than expectation adding total amount, send to open and close and orders gasoline pump, start gasoline pump, execution in step A2.
Also comprise before the step B1 of the flow-control adding technology of described desalted water: the expectation of desalted water adds total amount in the controlled processing unit storage cell time.
Among the described step B3, the expectation of desalted water adding total amount in the actual adding total amount of desalted water and unit interval in the controlled processing unit comparative unit time, when reality adds total amount more than or equal to expectation adding total amount, send to open and close and order the desalination water pump, close the desalination water pump, finish the adding of desalted water; When reality adds total amount less than expectation adding total amount, send to open and close and orders the desalination water pump, start the desalination water pump, execution in step B2.
A kind of device for formulating of implementing the concentration of emulsion used for rolling mill compound method, it comprises petroleum tank, gasoline pump, desalination water pot, desalination water pump, emulsion main tank, two flowmeters and controlled processing unit;
Described petroleum tank connects the emulsion main tank by pipeline, and gasoline pump is arranged on the pipeline between petroleum tank and the emulsion main tank, and flowmeter is installed on the pipeline between gasoline pump and the emulsion main tank, to detect ducted data on flows;
Described desalination water pot connects the emulsion main tank by pipeline, and the desalination water pump is arranged on the pipeline between desalination water pot and the emulsion main tank, and flowmeter is installed on the pipeline between desalination water pump and the emulsion main tank, to detect ducted data on flows.
Described controlled processing unit reads the data on flows in the flowmeter, sends to open and close to order to divide to be clipped to gasoline pump and desalination water pump.
The present invention is the concentration that the mode that adopts crude oil and desalted water to add is automatically controlled emulsion.The emulsion that milling train uses, uses different emulsion prescriptions and controls different temperature and concentration according to different rolled products and specification the concentration requirement strictness.When practical operation, the different emulsion of configuration in different emulsion main tanks is sent to corresponding rolling-mill housing behind emulsion process main pump pressurization and the equipment such as cooling, filtration, is assigned to each spray beam and nozzle by the valve station.In running, according to precalculated concentration of emulsion used and actual concentrations measurement result, quantitatively in the emulsion main tank, add crude oil or desalted water, make the concentration of main tank internal emulsification liquid satisfy the instructions for use of milling train.Crude oil is sent crude oil into the emulsion main tank by the gasoline pump that is located at the petroleum tank bottom, and the gasoline pump flow is by flowmeter monitoring and accumulative total, according to the accumulative total or the setting of the time control gasoline pump automatic open close of flow.Desalted water is by the desalination water pump that is located at the desalted water pot bottom desalted water to be sent into the emulsion main tank, and the desalted water pump discharge is by flowmeter monitoring and accumulative total, according to the accumulative total or the setting of the time control desalination water pump automatic open close of flow.Said process carries out program setting by computer system, adds once automatically and finishes.
The present invention makes it compared with prior art owing to adopted above technical scheme, has the following advantages and positive effect:
1, concentration of emulsion used can be set on the PLC picture, automatically operation;
2, concentration of emulsion used control easily, the precision height;
3, system's operation is in time stable, easy to operation, adds accurately;
4, overhaul of the equipments, easy to maintenance;
5, can not cause the emulsion volume to expand and excessive, cut the waste, reduce environmental pollution, reduce production costs;
6, emulsion lubrication is effective, has prolonged roll service life.
Description of drawings
Fig. 1 is the process chart that concentration of emulsion used for rolling mill compound method of the present invention adopts the crude oil preparation.
Fig. 2 is the process chart that concentration of emulsion used for rolling mill compound method of the present invention adopts the desalted water preparation.
Fig. 3 is the stereogram of a kind of concentration of emulsion used for rolling mill device for formulating of the present invention.
Fig. 4 is the connection diagram of Fig. 3 device for formulating.
Drawing reference numeral:
1 is petroleum tank, and 2 is gasoline pump, and 3 is circulating box, and 4 is flowmeter, and 5 are the desalination water pot, and 6 are the desalination water pump, and 7 is flowmeter.
The specific embodiment
Below in conjunction with drawings and Examples concentration of emulsion used for rolling mill compound method of the present invention and device for formulating are elaborated.
Referring to Fig. 1 and Fig. 2,, can carry out the flow-control adding technology of crude oil and the flow-control adding technology of desalted water by concentration of emulsion used for rolling mill compound method of the present invention.Adopting crude oil preparation emulsion is to realize by the flow-control adding technology of crude oil, and adopting desalted water preparation emulsion is to realize by the flow-control adding technology of desalted water.
As shown in Figure 1, the flow-control adding technology of crude oil is taked following steps:
The expectation of crude oil adds total amount in A0, controlled processing unit storage cell time.
A1, crude oil are sent into the emulsion main tank by gasoline pump from petroleum tank.
A2, utilize ducted oil flow data between flowmeter monitoring gasoline pump and the emulsion main tank, and the oil flow data are sent to controlled processing unit.
A3, controlled processing unit based on crude data on flows and time, the actual adding total amount of crude oil in the unit of account time, and the keying of control gasoline pump.Specifically, the expectation of crude oil adding total amount in the actual adding total amount of crude oil and unit interval when reality adding total amount adds total amount more than or equal to expectation, sends keying and orders gasoline pump in the controlled processing unit comparative unit time, close gasoline pump, finish the adding of crude oil; When reality adds total amount less than expectation adding total amount, send to open and close and orders gasoline pump, start gasoline pump, execution in step A2.
As shown in Figure 2, the flow-control adding technology of desalted water is taked following steps:
The expectation of desalted water adds total amount in B0, controlled processing unit storage cell time.
B1, desalted water are sent into the emulsion main tank by the desalination water pump from the desalination water pot.
B2, utilize ducted desalted water data on flows between flowmeter monitoring desalination water pump and the emulsion main tank, and the desalted water data on flows is sent to controlled processing unit.
B3, controlled processing unit be according to desalted water data on flows and time, the actual adding total amount of desalted water in the unit of account time, and the keying of control desalination water pump.Specifically, the expectation of desalted water adding total amount in the actual adding total amount of desalted water and unit interval when reality adding total amount adds total amount more than or equal to expectation, sends keying and orders the desalination water pump in the controlled processing unit comparative unit time, close the desalination water pump, finish the adding of desalted water; When reality adds total amount less than expectation adding total amount, send to open and close and orders the desalination water pump, start the desalination water pump, execution in step B2.
Referring to Fig. 3 and Fig. 4, according to a kind of concentration of emulsion used for rolling mill device for formulating that concentration of emulsion used for rolling mill compound method of the present invention is implemented, it mainly is made up of petroleum tank 1, gasoline pump 2, desalination water pot 5, desalination water pump 6, emulsion main tank 3, two flowmeters 4,7 and controlled processing unit.
Petroleum tank 1 connects emulsion main tank 3 by pipeline, and gasoline pump 2 is arranged on the pipeline between petroleum tank 1 and the emulsion main tank 3, and flowmeter 4 is installed on the pipeline between gasoline pump 2 and the emulsion main tank 3, to detect ducted data on flows.
Desalination water pot 5 connects emulsion main tank 3 by pipeline, and desalination water pump 6 is arranged on the pipeline between desalination water pot 5 and the emulsion main tank 3, and flowmeter 7 is installed on the pipeline between desalination water pump 6 and the emulsion main tank 3, to detect ducted data on flows.
Controlled processing unit reads the data on flows in flowmeter 4 and the flowmeter 7 respectively, sends to open and close to order to divide to be clipped to gasoline pump 2 and desalination water pump 6.
Gasoline pump 2 is installed in petroleum tank 1 bottom.Desalination water pump 6 is installed in desalination water pot 5 bottoms.
According to the present invention, concentration of emulsion used can be set on the PLC picture, automatically operation; Concentration of emulsion used is controlled easily, the precision height; System's operation is in time stable, easy to operation, adds accurately; Overhaul of the equipments, easy to maintenance; Can not cause the emulsion volume to expand, cut the waste, reduce environmental pollution, reduce production costs; Emulsion lubrication is effective, has prolonged roll service life.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the present invention, and be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention conversion, the modification of the foregoing description.

Claims (7)

1, a kind of concentration of emulsion used for rolling mill compound method, adopt crude oil or desalted water preparation emulsion, it is characterized in that adopting crude oil preparation emulsion is to realize by the flow-control adding technology of crude oil, adopting desalted water preparation emulsion is to realize by the flow-control adding technology of desalted water;
The flow-control adding technology of described crude oil comprises the steps:
A1, crude oil are sent into the emulsion main tank by gasoline pump from petroleum tank;
A2, utilize ducted oil flow data between flowmeter monitoring gasoline pump and the emulsion main tank, and the oil flow data are sent to controlled processing unit;
A3, controlled processing unit based on crude data on flows and time, the actual adding total amount of crude oil in the unit of account time, and the keying of control gasoline pump;
The flow-control adding technology of described desalted water comprises the steps:
B1, desalted water are sent into the emulsion main tank by the desalination water pump from the desalination water pot;
B2, utilize ducted desalted water data on flows between flowmeter monitoring desalination water pump and the emulsion main tank, and the desalted water data on flows is sent to controlled processing unit;
B3, controlled processing unit be according to desalted water data on flows and time, the actual adding total amount of desalted water in the unit of account time, and the keying of control desalination water pump.
2, concentration of emulsion used for rolling mill compound method according to claim 1 is characterized in that, also comprises before the steps A 1 of the flow-control adding technology of described crude oil: the expectation of crude oil adds total amount in the controlled processing unit storage cell time.
3, concentration of emulsion used for rolling mill compound method according to claim 2, it is characterized in that, in the described steps A 3, the expectation of crude oil adding total amount in the actual adding total amount of crude oil and unit interval in the controlled processing unit comparative unit time, when reality adds total amount more than or equal to expectation adding total amount, send to open and close and order gasoline pump, close gasoline pump, finish the adding of crude oil; When reality adds total amount less than expectation adding total amount, send to open and close and orders gasoline pump, start gasoline pump, execution in step A2.
4, concentration of emulsion used for rolling mill compound method according to claim 1 is characterized in that, also comprises before the step B1 of the flow-control adding technology of described desalted water: the expectation of desalted water adds total amount in the controlled processing unit storage cell time.
5, concentration of emulsion used for rolling mill compound method according to claim 4, it is characterized in that, among the described step B3, the expectation of desalted water adding total amount in the actual adding total amount of desalted water and unit interval in the controlled processing unit comparative unit time, when reality adds total amount more than or equal to expectation adding total amount, send to open and close and order the desalination water pump, close the desalination water pump, finish the adding of desalted water; When reality adds total amount less than expectation adding total amount, send to open and close and orders the desalination water pump, start the desalination water pump, execution in step B2.
6, a kind of device for formulating of implementing the described concentration of emulsion used for rolling mill compound method of claim 1 is characterized in that, it comprises petroleum tank, gasoline pump, desalination water pot, desalination water pump, emulsion main tank, two flowmeters and controlled processing unit;
Described petroleum tank connects the emulsion main tank by pipeline, and gasoline pump is arranged on the pipeline between petroleum tank and the emulsion main tank, and flowmeter is installed on the pipeline between gasoline pump and the emulsion main tank, to detect ducted data on flows;
Described desalination water pot connects the emulsion main tank by pipeline, and the desalination water pump is arranged on the pipeline between desalination water pot and the emulsion main tank, and flowmeter is installed on the pipeline between desalination water pump and the emulsion main tank, to detect ducted data on flows.
7, concentration of emulsion used for rolling mill device for formulating according to claim 6 is characterized in that, described controlled processing unit reads the data on flows in the flowmeter, sends to open and close to order to divide to be clipped to gasoline pump and desalination water pump.
CN2009100528740A 2009-06-11 2009-06-11 Method for compounding concentration of emulsion used for rolling mill and compounding device Expired - Fee Related CN101574633B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102218452A (en) * 2011-04-18 2011-10-19 厦门兆利达科技有限公司 Rolling oil fueling and saving device for cold-rolled plate strip steel
CN102240518A (en) * 2011-05-17 2011-11-16 宝钢工程技术集团有限公司 Method for regulating concentration of emulsified liquid of rolling mill
CN104258750A (en) * 2014-09-24 2015-01-07 武汉晶诚生物科技有限公司 Microsphere emulsifying equipment
CN106077103A (en) * 2016-06-14 2016-11-09 柳州钢铁股份有限公司 Cold rolled sheet rolling lubrication automatic liquid matching method
WO2017023858A1 (en) * 2015-07-31 2017-02-09 General Electric Company System and method utilizing a mechanistic, physics-based dynamic desalter model
CN107243513A (en) * 2017-06-27 2017-10-13 包头钢铁(集团)有限责任公司 The method for reducing the emulsification concentration of five frame connection rolling machine group emulsion of rolling mill system
CN109433036A (en) * 2018-10-29 2019-03-08 山东钢铁集团日照有限公司 A kind of concentration of emulsion used automatic mixing method
CN110180905A (en) * 2019-05-30 2019-08-30 山西太钢不锈钢股份有限公司 Method for accurately controlling tandem mill Rolling Lubricant concentration
CN112892298A (en) * 2021-01-22 2021-06-04 山信软件股份有限公司 Leveling liquid preparation system and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2640591Y (en) * 2003-08-27 2004-09-15 王道宗 Automatic matching appts. for emulsion
CN2808349Y (en) * 2005-05-11 2006-08-23 攀枝花新钢钒股份有限公司 Lubrication unit for hot rolling process
CN100518951C (en) * 2006-07-25 2009-07-29 宝山钢铁股份有限公司 Oil-water mixer for hot mill

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102218452A (en) * 2011-04-18 2011-10-19 厦门兆利达科技有限公司 Rolling oil fueling and saving device for cold-rolled plate strip steel
CN102218452B (en) * 2011-04-18 2013-05-08 厦门兆利达科技有限公司 Rolling oil fueling and saving device for cold-rolled plate strip steel
CN102240518A (en) * 2011-05-17 2011-11-16 宝钢工程技术集团有限公司 Method for regulating concentration of emulsified liquid of rolling mill
CN102240518B (en) * 2011-05-17 2013-05-15 宝钢工程技术集团有限公司 Method for regulating concentration of emulsified liquid of rolling mill
CN104258750A (en) * 2014-09-24 2015-01-07 武汉晶诚生物科技有限公司 Microsphere emulsifying equipment
CN104258750B (en) * 2014-09-24 2016-05-18 武汉晶诚生物科技有限公司 Microballoon emulsifying device
WO2017023858A1 (en) * 2015-07-31 2017-02-09 General Electric Company System and method utilizing a mechanistic, physics-based dynamic desalter model
CN106077103A (en) * 2016-06-14 2016-11-09 柳州钢铁股份有限公司 Cold rolled sheet rolling lubrication automatic liquid matching method
CN107243513A (en) * 2017-06-27 2017-10-13 包头钢铁(集团)有限责任公司 The method for reducing the emulsification concentration of five frame connection rolling machine group emulsion of rolling mill system
CN109433036A (en) * 2018-10-29 2019-03-08 山东钢铁集团日照有限公司 A kind of concentration of emulsion used automatic mixing method
CN110180905A (en) * 2019-05-30 2019-08-30 山西太钢不锈钢股份有限公司 Method for accurately controlling tandem mill Rolling Lubricant concentration
CN112892298A (en) * 2021-01-22 2021-06-04 山信软件股份有限公司 Leveling liquid preparation system and method

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