CN111632515A - Preparation system and method of cold rolling emulsion - Google Patents
Preparation system and method of cold rolling emulsion Download PDFInfo
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- CN111632515A CN111632515A CN202010537050.9A CN202010537050A CN111632515A CN 111632515 A CN111632515 A CN 111632515A CN 202010537050 A CN202010537050 A CN 202010537050A CN 111632515 A CN111632515 A CN 111632515A
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- 239000000839 emulsion Substances 0.000 title claims abstract description 122
- 238000005097 cold rolling Methods 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 230000001502 supplementing effect Effects 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 11
- 238000010612 desalination reaction Methods 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 132
- 239000010731 rolling oil Substances 0.000 claims description 80
- 239000013589 supplement Substances 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims 4
- 238000009472 formulation Methods 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000011897 real-time detection Methods 0.000 abstract description 3
- 230000009469 supplementation Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 14
- 238000001816 cooling Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
- B01F23/4105—Methods of emulsifying
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/49—Mixing systems, i.e. flow charts or diagrams
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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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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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
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
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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
- B01F35/71—Feed mechanisms
- B01F35/714—Feed mechanisms for feeding predetermined amounts
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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
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
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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
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/882—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
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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
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/39—Mixing of ingredients for grease or lubricating compositions
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Abstract
The application discloses a preparation system and a method of cold rolling emulsion, which comprises the following steps: moisturizing device, oil supplementing device and emulsion device, wherein: the water replenishing device comprises a first valve and a first flowmeter which are communicated through a water replenishing pipeline, one end of the water replenishing pipeline is connected with a desalination water source, and the other end of the water replenishing pipeline is connected with a sump oil tank in the emulsion device; the oil supplementing device comprises a second valve, a second flowmeter and an oil supplementing pump which are communicated through an oil supplementing pipeline, one end of the oil supplementing pipeline is connected to the oil supplementing tank, and the other end of the oil supplementing pipeline is connected to the dirty oil tank; a stirrer is arranged in the dirty oil tank, and a first liquid level meter is arranged in the emulsion device; the first liquid level meter, the second liquid level meter and the first flow meter are connected with an upper computer. In this application, can need the supply through host computer real-time detection emulsion to through the detection of first flowmeter and second flowmeter, can obtain accurate moisturizing volume and oil supplementation volume, thereby ensure to prepare the emulsion of accurate concentration, better satisfying rolling technological requirement promotes the production quality of cold-rolled sheet.
Description
Technical Field
The application relates to the technical field of cold rolling production processes, in particular to a system and a method for preparing cold rolling emulsion.
Background
The cold rolling refers to a process of using a hot rolled steel coil as a raw material, removing oxide skin through acid washing, and then carrying out cold continuous rolling to prepare a cold rolled sheet. The cold-rolled sheet is generally rolled by adopting emulsion for process cooling and lubrication, wherein the emulsion is prepared by mixing demineralized water and cold-rolling oil in a certain proportion. Because the emulsion is recycled and has different loss degrees in the using process, the emulsion needs to be supplemented and prepared at variable times according to the loss degree in the rolling process.
At present, the emulsion is generally prepared in a manual field preparation mode. Firstly, manually estimating and adding demineralized water, calculating the dosage of cold rolling oil to be added according to the addition amount of the demineralized water and the concentration of emulsion required by rolling after the demineralized water is added, and manually estimating and adding the cold rolling oil according to the calculated dosage of the cold rolling oil. And stirring and fusing the added desalted water and the cold rolling oil to prepare emulsion, adding the emulsion into an emulsion box, and conveying the emulsion into a rolling mill to participate in cooling and lubricating a deformation area.
In the process of manually preparing the emulsion on site, because the water adding amount and the oil adding amount are manually estimated and added, a worker can cause the oil adding amount or the water adding amount to be inaccurate due to slight negligence, so that the concentration precision of the prepared emulsion is not high.
Disclosure of Invention
The application provides a preparation system and a preparation method of cold rolling emulsion, which aim to solve the technical problem that the concentration precision of the emulsion is reduced because the oil adding amount or the water adding amount is inaccurate in the prior art.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
in a first aspect, the embodiment of the present application discloses a cold rolling emulsion preparation system, including: moisturizing device, oil supplementing device and emulsion device, wherein:
the water supplementing device comprises a first valve and a first flowmeter which are communicated through a water supplementing pipeline, one end of the water supplementing pipeline is connected to a desalination water source, and the other end of the water supplementing pipeline is connected to a sump oil tank in the emulsion device;
the oil supplementing device comprises a second valve, a second flowmeter and an oil supplementing pump which are communicated through an oil supplementing pipeline, one end of the oil supplementing pipeline is connected to the oil supplementing tank, and the other end of the oil supplementing pipeline is connected to the dirty oil tank;
a stirrer is arranged in the dirty oil tank, the stirrer is used for mixing desalted water and cold rolling oil, and a first liquid level meter is further arranged in the emulsion device;
the first flowmeter, the second flowmeter and the first liquid level meter are all connected to an upper computer.
Optionally, in the above system for preparing cold-rolled emulsion, the first valve, the second valve, the oil replenishment pump and the stirrer are all connected to the upper computer.
Optionally, in the above cold rolling emulsion preparing system, the oil replenishing device further includes: and the second liquid level meter is connected with the upper computer.
Optionally, in the above cold rolling emulsion preparing system, the oil replenishing device further includes: the temperature control assembly comprises a heat preservation layer, a heater and a thermometer, the heat preservation layer is arranged on the outer wall of the oil supplementing tank, the heater is arranged at the bottom of the oil supplementing tank and located between the heat preservation layer and the outer wall of the oil supplementing tank, and the thermometer is arranged in the oil supplementing tank.
Optionally, in the above cold-rolled emulsion preparing system, the heater and the thermometer are both connected to the upper computer.
In a second aspect, the present application discloses a method for preparing a cold rolling emulsion, which utilizes any one of the above systems for preparing a cold rolling emulsion, and the method includes:
when the data detected by the first liquid level meter is smaller than the preset value of the emulsion, controlling the first valve to be opened;
when the data detected by the first flowmeter reaches the primary water supplement amount, controlling the first valve to be closed;
calculating the primary oil supplement amount according to the primary water supplement amount and the concentration of the emulsion required by rolling;
controlling the second valve to open, and controlling the second valve to close when the data detected by the second flowmeter reaches the primary oil supplement amount;
and mixing desalted water and cold rolling oil by using a stirrer to obtain emulsion, and controlling the detection data of the first flowmeter and the second flowmeter to be cleared.
Optionally, in the above method for preparing a cold rolling emulsion, before the controlling the opening of the second valve, the method further comprises:
when the data detected by the second liquid level meter is smaller than the first cold rolling oil preset value, a warning prompt frame pops up from the main control interface of the upper computer;
and when the data detected by the second liquid level meter is smaller than a second cold rolling oil preset value, adding cold rolling oil into the oil supplementing tank, wherein the second cold rolling oil preset value is smaller than the first cold rolling oil preset value, and the difference value between the first cold rolling oil preset value and the second cold rolling oil preset value is larger than or equal to the primary oil supplementing amount.
Optionally, in the above method for preparing a cold rolling emulsion, the method further comprises:
when the data detected by the thermometer is smaller than a preset temperature value, controlling the heater to heat;
and when the data detected by the thermometer is greater than or equal to a preset temperature value, controlling the heater to stop heating.
Compared with the prior art, the beneficial effect of this application is:
the application provides a preparation system and method of cold rolling emulsion, the staff is through observing the measured data that the first level gauge fed back on the host computer main control interface, if the emulsion volume in the emulsion device is less than a definite value, then need loop through moisturizing device and oil supplementing device and supply demineralized water and cold rolling oil. Firstly, the first valve is controlled to be opened, and the desalted water flows through the first flowmeter and the first valve through the water replenishing pipeline and then is input into the sump oil tank. The staff observes the detection data that first flowmeter fed back in real time through host computer master control interface, when first flowmeter shows that the demineralized water reaches the water supply volume once, can control first valve and close. Then, the staff can obtain the primary oil supplement amount according to the primary water supplement amount and the concentration of the emulsion required by rolling. And then, controlling the second valve to be opened, and under the driving of an oil supplementing pump, enabling the cold rolling oil to flow through the second valve and the second flowmeter through an oil supplementing pipeline and inputting the cold rolling oil into a dirty oil tank. And finally, mixing the desalted water and the cold rolling oil by using a stirrer to obtain an emulsion, and circulating the emulsion to a rolling mill to participate in cooling and lubricating a deformation area. In this application, can need the supply through host computer real-time detection emulsion to through the detection of first flowmeter and second flowmeter, can obtain accurate moisturizing volume and oil supplementation volume, thereby ensure to prepare the emulsion of accurate concentration, better satisfying rolling technological requirement promotes the production quality of cold-rolled sheet.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a basic structure of a cold rolling emulsion preparation system according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method for preparing a cold rolling emulsion according to an embodiment of the present invention;
description of reference numerals: 1. a water replenishing device; 11. a water replenishing pipeline; 12. a first valve; 13. a first flow meter; 2. an oil supplementing device; 21. an oil supplementing pipeline; 22. a second valve; 23. a second flow meter; 24. an oil replenishing pump; 25. an oil supplementing tank; 26. a second level gauge; 27. a temperature control assembly; 271. a heat-insulating layer; 272. a heater; 273. a thermometer; 3. an emulsion device; 31. a dirty oil tank; 32. a stirrer; 33. a first liquid level meter; 34. an intermediate oil tank; 35. a clean oil tank.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
At present, the concentration requirement of the emulsion is different according to the thickness specification of the cold rolled sheet and the economical efficiency of the use of cold rolling oil, and is generally controlled to be 1.5-3.0%. The emulsion has different degrees of loss in the recycling process, namely the evaporation of the emulsion and the normal consumption and leakage in the rolling process. Therefore, the emulsion needs to be replenished and prepared at random according to the process requirement and the liquid level maintenance requirement in the rolling process. For the preparation and supply process of the emulsion in the cold rolling process, the amount of the desalted water and the cold rolling oil added is measured by workers, the process has large errors, and particularly, the workers can cause too much or too little desalted water and cold rolling oil to be added due to slight negligence, so that the concentration of the prepared emulsion is not accurate. Based on the above problems, the embodiments of the present application provide a system and a method for preparing a cold rolling emulsion. The system for preparing the cold rolling emulsion in the present application is described below with reference to the accompanying drawings.
Referring to fig. 1, a schematic diagram of a basic structure of a cold rolling emulsion preparation system according to an embodiment of the present invention is provided. As shown in fig. 1, the dispensing system of the present application includes: the water replenishing device 1, the oil replenishing device 2 and the emulsion device 3 are used for respectively adding desalted water and cold rolling oil into the emulsion device 3 by the water replenishing device 1 and the oil replenishing device 2, and finally emulsion is prepared in the emulsion device.
In the embodiment of the present application, the water replenishing device 1 includes a first valve 12 and a first flowmeter 13 communicated with each other through a water replenishing pipeline 11, wherein one end of the water replenishing pipeline 11 is connected to a desalted water source, and the other end of the water replenishing pipeline is connected to a sump oil tank 31 in the emulsion device 3. The oil supplementing device 2 comprises a second valve 22, a second flowmeter 23 and an oil supplementing pump 24 which are communicated through an oil supplementing pipeline 21, one end of the oil supplementing pipeline 21 is connected to an oil supplementing tank 25, the other end of the oil supplementing pipeline is connected to the dirty oil tank 31, and the volume of the oil supplementing tank 25 can adopt different volumes according to the requirements of different production lines, and the volume is generally the reserved oil volume of a half month or a month. A stirrer 32 is arranged in the dirty oil tank 31, the stirrer 32 is used for mixing desalted water and cold rolling oil, and a first liquid level meter 33 is further arranged in the emulsion device 3. The first flowmeter 13, the second flowmeter 23 and the first liquid level meter 33 are all connected to an upper computer, wherein the data detected by the first flowmeter 13, the second flowmeter 23 and the first liquid level meter 33 can be fed back to the upper computer and displayed on a main control interface of the upper computer.
The staff is through observing the measured data that the first level gauge 33 feedbacked on the host computer main control interface, if the emulsion volume in emulsion device 3 is less than a definite value, then need loop through moisturizing device 1 and oil supplementing device 2 and supply demineralized water and cold rolling oil. First, the operator can manually control the first valve to open, and the desalted water flows through the first flowmeter 13 and the first valve 12 through the makeup water pipe 11 and then is input to the sump oil tank 31. The staff observes the detection data that first flowmeter 13 feedbacked through host computer master control interface real time, when first flowmeter 13 shows that the demineralized water reaches the water replenishment volume once, can control first valve 12 and close. It should be noted that the once water supplement amount needs to be according to the field requirement, the excessive once water supplement amount is avoided as much as possible, the mode of reducing the once water supplement amount and increasing the water supplement times is adopted, and the adverse effect on the rolling production caused by the large concentration fluctuation, the large temperature difference and the large liquid level change of an emulsion system due to the excessive once water supplement amount is avoided. Then, the staff can obtain the primary oil supplement amount according to the primary water supplement amount and the concentration of the emulsion required by rolling. Subsequently, the worker manually controls the second valve 22 to be opened, under the driving of the oil supplementing pump 24, the cold rolling oil flows through the second valve 22 and the second flow meter 23 through the oil supplementing pipeline 21 and is input into the dirty oil tank 31, the worker observes the detection data fed back by the second flow meter 23 in real time through the main control interface of the upper computer, and when the second flow meter 23 displays that the cold rolling oil reaches the first oil supplementing amount, the second valve 22 can be controlled to be closed. It should be noted that the second valve 22 is opened before the oil supply pump 24 is started, and the second valve 22 is closed after the oil supply pump 24 is stopped, so as to prevent the oil supply pump 24 from being empty. Finally, the desalted water and the cold rolling oil are mixed by the stirrer 32 in the dirty oil tank 31 to obtain a preliminarily mixed emulsion.
In some embodiments, the emulsion of the preliminary mixing may be further processed. Be provided with magnetic filter in the dirty oil tank 31, can adsorb the iron powder in the emulsion of preliminary mixing, obtain the emulsion of preliminary filtration, the emulsion of preliminary filtration discharges to middle oil tank 34 in, is provided with the oil skimmer in the middle oil tank 34, and the oil skimmer can carry out secondary filter to the floated miscellaneous oil in preliminary filtration's top layer, obtains purifying emulsion. The purified emulsion enters the oil purifying tank 35 and circulates to the rolling mill to participate in cooling and lubricating of the deformation area, and the redundant emulsion after rolling is recycled and conveyed to the emulsion device 3 again.
The above-described procedure completes the replenishment of the emulsion once, and after completion of the replenishment, the detection data for controlling the first flow meter 13 and the second flow meter 23 is cleared to prepare for the next replenishment of the emulsion. In this application, can need the supply through host computer real-time detection emulsion to through the detection of first flowmeter and second flowmeter, can obtain accurate moisturizing volume and oil supplementation volume, thereby ensure to prepare the emulsion of accurate concentration, better satisfying rolling technological requirement promotes the production quality of cold-rolled sheet.
In the embodiment of the present application, the first valve 12, the second valve 22, the oil replenishing pump 24 and the stirrer 32 are all connected to the upper computer, and the upper computer controls the start and stop of the first valve 12, the second valve 22 and the oil replenishing pump 24. Wherein, the first valve 12 and the second valve can be selected from pneumatic valves. In this way, the preparation of the cold-rolled emulsion can be automated, and the process of automatically preparing the emulsion is described below.
The first level gauge 33 of controller real-time supervision in the host computer detects data that feed back, if the emulsion volume in the emulsion device 3 is less than a definite value, then control first valve 12 and open, behind the demineralized water first flowmeter 13 and the first valve 12 of 11 flows through of moisturizing pipeline, input to sump oil case 31, this in-process controller can the first flowmeter 13 detection data that feeds back of real-time supervision, when first flowmeter 13 shows that the demineralized water reaches a moisturizing volume, can control first valve 12 and close. The primary water supplementing quantity can be set by a worker through a main control interface of the upper computer, and the concentration of the emulsion required by rolling can be set by the worker directly on the main control interface of the upper computer. Then, the controller can calculate and obtain the primary oil supplement amount according to the primary water supplement amount and the concentration of the emulsion required by rolling. And then, the controller controls the second valve 22 to be opened, controls the oil replenishing pump 24 to be started, and drives the cold rolling oil to flow through the second valve 22 and the second flowmeter 23 through the oil replenishing pipeline 21 and input the cold rolling oil into the sump oil tank 31, wherein in the process, the controller monitors the detection data fed back by the second flowmeter 23 in real time, and when the second flowmeter 23 displays that the cold rolling oil reaches the first oil replenishing amount, the controller controls the second valve 22 and the oil replenishing pump 24 to be closed. Finally, the desalted water and the cold rolling oil are mixed by the stirrer 32 in the dirty oil tank 31 to obtain a preliminarily mixed emulsion.
Above-mentioned automatic process of preparing emulsion can realize the automatic control of emulsion liquid level and concentration, its liquid level interval and the interval control of concentration are accurate, do not have manual intervention link, and the accessible sets for the interval of concentration on the main control interface of host computer, adjust in real time to the interval of concentration according to different specifications and the steel type of production, satisfy the differentiation demand of different technologies, emulsion concentration has been realized, the liquid level and the whole automation of maintaining the use, can keep the invariant of emulsion liquid level and concentration in cold-rolled sheet production, reduce intensity of labour, manpower resources are saved, promote product quality, improve process conditions, and the production efficiency is improved.
In the embodiment of the present application, the oil supply device 2 further includes: the second liquid level meter 26 is connected to the upper computer, the second liquid level meter 26 can detect the amount of cold rolling oil in the oil supply tank 25 and feed the cold rolling oil back to a main control interface of the upper computer, and a worker can supply the cold rolling oil to the oil supply tank 25 in time according to detection data fed back by the second liquid level meter 26 so as to avoid delaying the next emulsion supply.
In some embodiments, a first cold rolling oil preset value and a second cold rolling oil preset value can be preset in an upper computer, the second cold rolling oil preset value is smaller than the first cold rolling oil preset value, and the difference value between the first cold rolling oil preset value and the second cold rolling oil preset value is larger than or equal to one-time oil supplement amount. When the data detected by the second liquid level meter 26 is smaller than the first cold rolling oil preset value, a main control interface of the upper computer pops up an alarm prompt frame, and the alarm prompt frame can display a prompt of 'low oil tank liquid level alarm', at the moment, because the difference value between the first cold rolling oil preset value and the second cold rolling oil preset value is larger than or equal to the primary oil supplement amount, when the cold rolling oil in the oil supplement tank 25 reaches the first cold rolling oil preset value, if a worker is busy in other work, the cold rolling oil does not need to be added into the oil supplement tank 25 urgently, and the cold rolling oil in the oil supplement tank 25 can meet the next emulsion supplement. When the data detected by the second liquid level meter 26 is smaller than the second cold rolling oil preset value, the worker needs to immediately add cold rolling oil into the oil supplement tank 25.
In some embodiments, when the second liquid level meter 26 detects that the cold rolling oil in the oil supplement tank 25 is less than the second cold rolling oil preset value, the second valve 22 cannot be opened, and the second valve 22 can be controlled to be opened after the staff fills the oil into the oil supplement tank 25.
In some embodiments, a third cold rolling oil preset value is preset in the upper computer, the third cold rolling oil preset value is larger than the first cold rolling oil preset value, and when the cold rolling oil reaches the third cold rolling oil preset value, the oil filling of the oil supplementing tank 25 is stopped.
In the embodiment of the present application, considering that cold rolling oil all has certain pour point, along with the reduction of temperature, its mobility can be worse and worse, will solidify even when reaching a certain temperature, in the season that the temperature is lower, in order to guarantee the constant temperature state of cold rolling oil in the oil supply tank 25, this application oil supply device 2 still includes: the temperature control assembly 27 comprises a heat insulation layer 271, a heater 272 and a thermometer 273, the heat insulation layer 271 is arranged on the outer wall of the oil supply tank 25, the heater 272 is arranged at the bottom of the oil supply tank 25 and is located between the heat insulation layer 271 and the outer wall of the oil supply tank 25, and the thermometer 273 is arranged in the oil supply tank 25. The heater 272 may be a steam heating type heater or an electrothermal type heater. The temperature in the oil supply tank 25 can be observed by an operator through the thermometer 273, when the temperature is lower than the preset temperature value, the operator can turn on the heater 272 to increase the temperature in the oil supply tank 25, and after the temperature in the oil supply tank 25 rises, the heater 272 can be controlled to be turned off and the heat is preserved by the heat preservation layer 271, so that the cold rolling oil in the oil supply tank 25 is kept in a set temperature range for a long time.
Further, the heater 272 and the thermometer 273 are both connected to the upper computer. In this application can also be through the detection data that controller real-time supervision thermometer 273 in the host computer feedbacks, in case this detection data is less than when predetermineeing the temperature value, the controller can open control heater 272 and open, monitors the back that the temperature rises back in the oil replenishment tank 25 when the controller, can control heater 272 and close to keep warm by heat preservation 271.
In order to further explain the preparation process of the cold rolling emulsion, the embodiment of the application also provides a preparation method of the cold rolling emulsion, and the preparation method of the cold rolling emulsion is shown in fig. 2 and is a flow schematic diagram of the preparation method of the cold rolling emulsion provided by the embodiment of the invention. With reference to fig. 2, the method comprises the following steps:
s110: and when the data detected by the first liquid level meter is less than the preset value of the emulsion, controlling the first valve to be opened.
S120: and when the data detected by the first flowmeter reaches the primary water supplement amount, controlling the first valve to be closed.
According to detection data fed back by the first liquid level meter on the main control interface of the upper computer, if the amount of the emulsion in the emulsion device is smaller than a certain value, desalted water and cold rolling oil need to be supplemented into the emulsion device. Firstly, the desalted water can be conveyed to the sump oil tank through the water replenishing pipeline by opening the first valve. Through the detection data that first flowmeter feedbacked, when first flowmeter shows that the demineralized water reaches the water replenishment volume once, can control first valve and close.
S130: and calculating the primary oil supplement amount according to the primary water supplement amount and the concentration of the emulsion required by rolling.
S140: and controlling the second valve to open, and controlling the second valve to close when the data detected by the second flowmeter reaches the primary oil supplement amount.
Before the second valve is controlled to be opened, when the data detected by the second liquid level meter is smaller than the first cold rolling oil preset value, a warning prompt frame pops up from the main control interface of the upper computer. And when the data detected by the second liquid level meter is smaller than a second cold rolling oil preset value, adding cold rolling oil into the oil supplementing tank, wherein the second cold rolling oil preset value is smaller than the first cold rolling oil preset value, and the difference value between the first cold rolling oil preset value and the second cold rolling oil preset value is larger than or equal to the primary oil supplementing amount.
And after the primary oil supplement amount is obtained, controlling the opening of the second valve so as to enable the cold rolling oil to be conveyed to the dirty oil tank through the oil supplement pipeline, and controlling the second valve to be closed when the second flowmeter displays that the cold rolling oil reaches the primary oil supplement amount through detection data fed back by the second flowmeter.
S150: and mixing desalted water and cold rolling oil by using a stirrer to obtain emulsion, and controlling the detection data of the first flowmeter and the second flowmeter to be cleared.
And mixing the desalted water and the cold rolling oil in a dirty oil tank by using a stirrer to obtain a primarily mixed emulsion. The above process completes the replenishment of the emulsion once, and after the replenishment is completed, the detection data of the first flow meter and the second flow meter are controlled to be cleared to prepare for the replenishment of the emulsion next time.
Further, when the data detected by the thermometer is smaller than a preset temperature value, the heater is controlled to heat, and when the data detected by the thermometer is larger than or equal to the preset temperature value, the heater is controlled to stop heating.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It is noted that, in this specification, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (8)
1. A cold rolling emulsion dispensing system, said dispensing system comprising: moisturizing device (1), moisturizing oily device (2) and emulsion device (3), wherein:
the water supplementing device (1) comprises a first valve (12) and a first flowmeter (13) which are communicated through a water supplementing pipeline (11), one end of the water supplementing pipeline (11) is connected with a desalination water source, and the other end of the water supplementing pipeline is connected with a sump oil tank (31) in the emulsion device (3);
the oil supplementing device (2) comprises a second valve (22), a second flowmeter (23) and an oil supplementing pump (24) which are communicated through an oil supplementing pipeline (21), one end of the oil supplementing pipeline (21) is connected to an oil supplementing tank (25), and the other end of the oil supplementing pipeline is connected to the dirty oil tank (31);
a stirrer (32) is arranged in the dirty oil tank (31), the stirrer (32) is used for mixing desalted water and cold rolling oil, and a first liquid level meter (33) is further arranged in the emulsion device (3);
the first flowmeter (13), the second flowmeter (23) and the first liquid level meter (33) are connected to an upper computer.
2. The cold-rolled emulsion formulating system as claimed in claim 1, wherein said first valve (12), said second valve (22), said oil replenishment pump (24) and said agitator (32) are connected to said upper machine.
3. The cold rolling emulsion formulation system of claim 1, wherein said oil replenishment device (2) further comprises: and the second liquid level meter (26), and the second liquid level meter (26) is connected to the upper computer.
4. The cold rolling emulsion formulation system of claim 1, wherein said oil replenishment device (2) further comprises: temperature control assembly (27), temperature control assembly (27) include heat preservation (271), heater (272) and thermometer (273), heat preservation (271) set up in the outer wall of fuel replenishment case (25), heater (272) set up in the bottom of fuel replenishment case (25), and be located heat preservation (271) with between the outer wall of fuel replenishment case (25), thermometer (273) set up in fuel replenishment case (25).
5. The cold rolled emulsion formulation system of claim 4, wherein said heater (272) and said thermometer (273) are both connected to said host computer.
6. A method for preparing a cold rolling emulsion, which comprises using the cold rolling emulsion preparation system according to any one of claims 1 to 5, the method comprising:
when the data detected by the first liquid level meter is smaller than the preset value of the emulsion, controlling the first valve to be opened;
when the data detected by the first flowmeter reaches the primary water supplement amount, controlling the first valve to be closed;
calculating the primary oil supplement amount according to the primary water supplement amount and the concentration of the emulsion required by rolling;
controlling the second valve to open, and controlling the second valve to close when the data detected by the second flowmeter reaches the primary oil supplement amount;
and mixing desalted water and cold rolling oil by using a stirrer to obtain emulsion, and controlling the detection data of the first flowmeter and the second flowmeter to be cleared.
7. The method of formulating a cold rolling emulsion of claim 6, wherein prior to said controlling the second valve opening, said method further comprises:
when the data detected by the second liquid level meter is smaller than the first cold rolling oil preset value, a warning prompt frame pops up from the main control interface of the upper computer;
and when the data detected by the second liquid level meter is smaller than a second cold rolling oil preset value, adding cold rolling oil into the oil supplementing tank, wherein the second cold rolling oil preset value is smaller than the first cold rolling oil preset value, and the difference value between the first cold rolling oil preset value and the second cold rolling oil preset value is larger than or equal to the primary oil supplementing amount.
8. The method of formulating a cold rolling emulsion of claim 6, further comprising:
when the data detected by the thermometer is smaller than a preset temperature value, controlling the heater to heat;
and when the data detected by the thermometer is greater than or equal to a preset temperature value, controlling the heater to stop heating.
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