CN207805220U - Emulsion of rolling mill filters control system - Google Patents
Emulsion of rolling mill filters control system Download PDFInfo
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- CN207805220U CN207805220U CN201721850764.5U CN201721850764U CN207805220U CN 207805220 U CN207805220 U CN 207805220U CN 201721850764 U CN201721850764 U CN 201721850764U CN 207805220 U CN207805220 U CN 207805220U
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- control system
- emulsion
- rolling mill
- vacuum filter
- mill according
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Abstract
The utility model discloses a kind of emulsion of rolling mill to filter control system, belong to technical field of industrial automatic control, including milling train, sump oil case, elevator pump, flowmeter, vacuum filter, absolute oil case, chart drive motor and power control cabinet, power control cabinet includes program controller, DP/DP couplers, man-machine interface, frequency converter, PID controller, contactor, intermediate relay, the time relay, main power switch and pressure sensor.The utility model control system spreads out the control mode that script is concentrated, and is effectively reduced mutual chain of component, simplifies this control system, and be conveniently operated, be effectively reduced fault time, meet production requirement.
Description
Technical field
The utility model belongs to technical field of industrial automatic control, and in particular to a kind of emulsion of rolling mill filtering control system
System.
Background technology
Vacuum filter (Fig. 1) is the device for filtering emulsion, due to designing existing defects, filter capacity and filtering
Effect cannot meet production requirement, existing equipment is removed then, is transformed into existing equipment, due to this existing complete equipment with
Operation principle originally has basic difference, so that original set control system can not be transplanted preferably, change is non-
Chang great needs to do a large amount of work, so we are to do is to which the new oil (gas) filling device control system of this set is independent, only with it is original
Control system do simple communication.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of emulsion of rolling mill to filter control system, in order to reduce
Workload, control system is independent, to reduce mutual chain of component, and maintain easily.
Following technical solution that in order to achieve the above object, the utility model provides：
The utility model provides a kind of emulsion of rolling mill filtering control system, including is connected successively according to emulsion filtering flow direction
It the milling train, sump oil case, elevator pump, flowmeter, vacuum filter and the absolute oil case that connect and is connected to power supply and vacuum filter and carries
Rise pump between power control cabinet, the power control cabinet include program controller, DP/DP couplers, man-machine interface, frequency converter, PID controller,
Contactor, intermediate relay, the time relay, main power switch and pressure sensor, program controller is by interface and programming and shows
The man-machine interface shown is connected, is connected with the variable-frequency motor of elevator pump by frequency converter, by PID controller and flowmeter phase
It connects, connected with milling train communication by DP/DP couplers, being connected and pass through with chart drive motor by pressure sensor contacts
Device, intermediate relay, the time relay, main power switch are connected with the motor of vacuum filter, and flowmeter is for controlling
Pump operation is promoted, chart drive motor is for controlling vacuum filter operation.
Further, the vacuum filter and elevator pump are set as at least two, and every vacuum filter is connected with one
Chart drive motor, every elevator pump are connected with a frequency converter.
Further, the program controller uses programmable controller PLC, model Siemens S7-300.
Further, the man-machine interface carries out programming, model Siemens STEP7 by PLC programming softwares.
Further, the man-machine interface uses touch screen, and touch screen picture is made by Flexible.
Further, the programmable controller PLC passes through vacuum filter and the running fault message of elevator pump
Two kinds of forms of no source contact and serial communication carry out teletransmission, while fault message is stored in touch screen, facilitate inquiry specific
Failure cause, time.
Further, when the touch screen can set vacuum filter, the operational mode of elevator pump, operational mode conversion
Between, operational mode rotation time.
Further, the touch screen can set paper feed time and the interval of chart drive motor.
Further, the PID controller can accurately control the flow of flowmeter.
Further, the pressure sensor uses negative pressure pressure sensor.
The utility model has the beneficial effects that：This control system is spread out by the control mode for concentrating script, is had
Effect reduces mutual chain of component；Meanwhile the simplification of this control system, help to be conveniently operated, and effective
Reduce fault time, meets production requirement.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is realized and is obtained.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
It is novel to be preferably described in detail, wherein：
Fig. 1 is the schematic diagram that original emulsion of rolling mill filters control system；
Fig. 2 is the schematic diagram that the utility model emulsion of rolling mill filters control system；Wherein fine line line in order to control, arrow
It is flowed to for emulsion.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by this theorys below by way of specific specific example
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific implementation modes are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment
The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and
Feature in embodiment can be combined with each other.
Referring to Fig. 2, the element numbers in attached drawing indicate respectively：Milling train 1, sump oil case 2, elevator pump 3, flowmeter 4, vacuum
Filter 5, absolute oil case 6, variable-frequency motor 7, motor 8, chart drive motor 9, power control cabinet 10, program controller 11, DP/DP couplers 12,
Man-machine interface 13, frequency converter 14, PID controller 15, contactor 16, intermediate relay 17, the time relay 18, main power switch
19, pressure sensor 20.
Embodiment is substantially as shown in the picture：Emulsion of rolling mill provided in this embodiment filters control system, including according to breast
Change liquid filtering flow to sequentially connected milling train 1, sump oil case 2, elevator pump 3, flowmeter 4, vacuum filter 5 and absolute oil case 6 and
The power control cabinet 10 being connected between power supply (not shown) and vacuum filter 5 and elevator pump 3, power control cabinet 10 include program controller 11, DP/
DP couplers 12, man-machine interface 13, frequency converter 14, PID controller 15, contactor 16, intermediate relay 17, the time relay
18, main power switch 19 and pressure sensor 20, the man-machine interface that program controller 11 passes through interface (not shown) and programming and display
13 are connected, are connected with the variable-frequency motor 7 of elevator pump 3 by frequency converter 14, are connected with flowmeter 4 by PID controller 15
It connects, be connected and pass through with chart drive motor 9 with the communication of milling train 1 connection, by pressure sensor 20 by DP/DP couplers 12
Contactor 16, intermediate relay 17, the time relay 18, main power switch 19 are connected with the motor 8 of vacuum filter 5,
Flowmeter 4 is for controlling the operation of elevator pump 3, and chart drive motor 9 is for controlling the operation of vacuum filter 5；Vacuum filter 5 and promotion
Pump 3 is both provided with four, and every vacuum filter 5 is connected with a chart drive motor 9, and every elevator pump 3 is connected with a frequency converter 14.
Specifically, this control system controls four vacuum filters and four elevator pumps by program controller, and by its process
Signal is communicated with DP/DP couplers with milling train, for production work check vacuum filter, elevator pump state and make milling train can
With the startup and stopping of remote control vacuum filter, elevator pump；In addition, the motor power (output) 30KW of vacuum filter, uses
Star angle starts, throttle opening 30%, and electric current can be controlled in 30A or so when normal operation, eliminate soft strater.Using above-mentioned
Scheme, this control system spread out by the control mode for concentrating script, and it is mutual to be effectively reduced component
It is chain；Meanwhile the simplification of this control system, help to be conveniently operated, and be effectively reduced fault time, meets production and want
It asks.
Program controller 11 in the present embodiment uses programmable controller PLC, model Siemens S7-300 to select relatively low
The PLC that end can be met the requirements again, corresponding digital quantity input module DI connections PID controller 15, pressure sensor 20, number
Measure output module DO connections frequency converter 14, contactor 16, intermediate relay 17, the time relay 18, main power switch 19, simulation
Input module AI connections flowmeter 4, chart drive motor 9 are measured, CPU module connects man-machine interface 13.The man-machine interface 13 is compiled by PLC
Journey software carries out programming, model Siemens STEP7, and man-machine interface 11 and uses touch screen, and passes through Flexible systems
Make touch screen picture.
Programmable controller PLC in the present embodiment passes through vacuum filter 5 and 3 running fault message of elevator pump
Two kinds of forms of no source contact and serial communication carry out teletransmission, while fault message is stored in touch screen, facilitate inquiry specific
Failure cause, time.
When touch screen in the present embodiment can set vacuum filter, the operational mode of elevator pump, operational mode conversion
Between, operational mode rotation time；Touch screen can also set paper feed time and the interval of chart drive motor 9.In this way, human-computer interaction is non-
It is often convenient.
PID controller 15 in the present embodiment can accurately control the flow of flowmeter 4.In this way, when flow is big, it can
The ability to work that vacuum filter can be exceeded, makes emulsion overflow, and the emulsion of flow hour, vacuum filter filtering cannot expire
The amount that sufficient milling train requires can essence with PID by controlling frequency converter frequency the feedback of elevator pump and main pipeline flowmeter
True control flow, to meet the requirement of production.
Pressure sensor 20 in the present embodiment uses negative pressure pressure sensor.In this way, chart drive motor can pass through negative pressure control
System, in the case of external dropout, can also can pass through the time by time control in various embodiments certainly
Control temporarily maintains system operation.
The operation principle of lower the utility model control system is described below：
1), component, program controller is selected to select 300 series of SIEMENS PLC relatively low according to field device and design scheme
The end PLC that can meet the requirements again, for controlling the frequency converter being connect with the variable-frequency motor of elevator pump and being connect with flowmeter
PID controller and with the pressure sensor of chart drive motor connection and the contact being electrically connected with the motor of vacuum filter
Device, intermediate relay, main power switch, the time relay.
2) power control cabinet, custom cable, are customized according to the quantity of component.
3) it, establishes and communicates with milling train, communication modes select DP/DP communications, the medium of communication to select DP/DP couplers, with
Milling train arranges communication signal.
4) hardware configuration, is carried out with STEP7 according to hardware and technological requirement, programming makes of Flexible and touches
Shield picture.
5), equipment is installed, cable laying wiring.
6), power control cabinet powers on, and downloads hardware and touch screen picture, Site Detection element are got ready, examine the communication with milling train.
7), frequency converter is debugged, preliminary operation motor, field device linkage.
8), continuous operation further corrects parameter, searches control system loophole.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the right of the utility model.
Claims (10)
1. emulsion of rolling mill filters control system, including flows to sequentially connected milling train (1), sump oil case according to emulsion filtering
(2), elevator pump (3), flowmeter (4), vacuum filter (5) and absolute oil case (6) and power supply and vacuum filter is connected to and is carried
Rise the power control cabinet (10) between pump, which is characterized in that the power control cabinet includes program controller (11), DP/DP couplers (12), man-machine
Interface (13), frequency converter (14), PID controller (15), contactor (16), intermediate relay (17), the time relay (18), master
Power switch (19) and pressure sensor (20), program controller are connected with the man-machine interface of programming and display by interface, are passed through
Frequency converter is connected with the variable-frequency motor (7) of elevator pump, is connected with flowmeter by PID controller, by DP/DP couplers
With milling train communication connection, be connected with chart drive motor (9) by pressure sensor and by contactor, intermediate relay, when
Between relay, main power switch be connected with the motor (8) of vacuum filter, flowmeter promotes pump operation for controlling, and walks
Paper motor is for controlling vacuum filter operation.
2. emulsion of rolling mill according to claim 1 filters control system, which is characterized in that the vacuum filter and
Elevator pump is set as at least two, and every vacuum filter is connected with a chart drive motor, and every elevator pump is connected with a frequency converter.
3. emulsion of rolling mill according to claim 2 filters control system, which is characterized in that the program controller uses can
Programmable controller PLC, model S7-300.
4. emulsion of rolling mill according to claim 3 filters control system, which is characterized in that the man-machine interface passes through
PLC programming softwares carry out programming, model STEP7.
5. emulsion of rolling mill according to claim 4 filters control system, which is characterized in that the man-machine interface uses
Touch screen makes touch screen picture by Flexible.
6. emulsion of rolling mill according to claim 5 filters control system, which is characterized in that the programmable controller
PLC carries out vacuum filter and the running fault message of elevator pump by two kinds of forms of no source contact and serial communication remote
It passes, while fault message is stored in touch screen.
7. emulsion of rolling mill according to claim 5 filters control system, which is characterized in that the touch screen can be set
Determine vacuum filter, the operational mode of elevator pump, operational mode conversion time, operational mode rotation time.
8. emulsion of rolling mill according to claim 5 filters control system, which is characterized in that the touch screen can be set
Determine paper feed time and the interval of chart drive motor.
9. emulsion of rolling mill according to claim 1 filters control system, which is characterized in that the PID controller energy
Enough accurately control the flow of flowmeter.
10. emulsion of rolling mill according to claim 1 filters control system, which is characterized in that the pressure sensor
Using negative pressure pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721850764.5U CN207805220U (en) | 2017-12-26 | 2017-12-26 | Emulsion of rolling mill filters control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721850764.5U CN207805220U (en) | 2017-12-26 | 2017-12-26 | Emulsion of rolling mill filters control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207805220U true CN207805220U (en) | 2018-09-04 |
Family
ID=63331061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721850764.5U Active CN207805220U (en) | 2017-12-26 | 2017-12-26 | Emulsion of rolling mill filters control system |
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| CN (1) | CN207805220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474836A (en) * | 2020-11-16 | 2021-03-12 | 山西太钢不锈钢股份有限公司 | Method for improving emulsion filtering capacity and emulsion quality of cold rolling mill |
| CN114307390A (en) * | 2021-11-29 | 2022-04-12 | 宁夏共享机床辅机有限公司 | Negative pressure filtering system based on Pronfinet communication and control method |
-
2017
- 2017-12-26 CN CN201721850764.5U patent/CN207805220U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474836A (en) * | 2020-11-16 | 2021-03-12 | 山西太钢不锈钢股份有限公司 | Method for improving emulsion filtering capacity and emulsion quality of cold rolling mill |
| CN112474836B (en) * | 2020-11-16 | 2021-10-01 | 山西太钢不锈钢股份有限公司 | Method for improving emulsion filtering capacity and emulsion quality of cold rolling mill |
| CN114307390A (en) * | 2021-11-29 | 2022-04-12 | 宁夏共享机床辅机有限公司 | Negative pressure filtering system based on Pronfinet communication and control method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Emulsion filtration control system for rolling mill Effective date of registration: 20210730 Granted publication date: 20180904 Pledgee: Bank of Harbin Co.,Ltd. Shenyang Branch Pledgor: TIANJIN ZHONGWANG ALUMINIUM INDUSTRY Co.,Ltd. Registration number: Y2021990000659 |