CN202860996U - Rolling oil control system - Google Patents
Rolling oil control system Download PDFInfo
- Publication number
- CN202860996U CN202860996U CN2012204359147U CN201220435914U CN202860996U CN 202860996 U CN202860996 U CN 202860996U CN 2012204359147 U CN2012204359147 U CN 2012204359147U CN 201220435914 U CN201220435914 U CN 201220435914U CN 202860996 U CN202860996 U CN 202860996U
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- CN
- China
- Prior art keywords
- control system
- variable frequency
- pressure
- flow
- frequency pump
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a rolling oil control system used for controlling flow and pressure of rolling oil in aluminum rolling mill production. The system comprises an oil tank and a main pipeline connected with the oil tank, wherein the other end of the main pipeline is connected with an injector head, a variable frequency pump driven by a variable frequency motor is arranged on the main pipeline located on one side of the oil tank, and a pressure sensor and a flow sensor are arranged on the main pipeline located on one side of the injector head. The system further comprises a programmable logic controller (PLC) system which can control the whole system. Detection signals sent by the pressure sensor and the flow sensor are input into the PLC system, control signals of the PLC system are output to the variable frequency pump, and the variable frequency pump adjusts the rotating speed according to the control signals. By means of the structure, not only can the pressure and the flow be controlled, but also power can be automatically adjusted according to the amount of the pressure and the flow to carry out energy-saving production.
Description
Technical field
The utility model relates to and is used for the ROLLING OIL control system of flow and pressure of controlled rolling oil in the production of a kind of aluminium milling train.
Background technology
In the Rolling Production process, the flow of ROLLING OIL and pressure, quality to sheet material has played crucial effect, traditional control mode all is the signal that sends 4-20mA by pressure sensor, come the pressure of controlled rolling oil by the pneumatic diaphragm control valve of PLC control bypass, adopt such control mode can only controlled pressure and flow that can not controlled rolling oil.The employing pneumatic diaphragm control valve not only can be because of source of the gas and quality problems, usually do not reach the effect of good control, and adopt bypass to come controlled pressure, the power of pump is in unanimously from start to finish, can because of the automatic regulating power of pressure size, not cause waste to the energy.
Summary of the invention
The technical problems to be solved in the utility model provide a kind of not only can controlled pressure and flow, and can according to the size of pressure and flow automatically regulating power carry out the ROLLING OIL control system of production energy-saving.
In order to solve the problems of the technologies described above, ROLLING OIL control system of the present utility model, comprise fuel tank and the main line that is connected on the fuel tank, the other end of main line is connected with injector head, also be connected with a return line between main line and the fuel tank, be positioned at and be provided with the variable frequency pump that is driven by variable-frequency motor on the main line of fuel tank one side; Be positioned on the main line that sprays first side and be provided with pressure sensor and flow sensor; Also comprise the PLC control system that to control whole system; The detection signal that pressure sensor and flow sensor send inputs to the PLC control system, and the control signal of PLC control system exports variable frequency pump to, and variable frequency pump is according to the control signal adjusting rotary speed.
After adopting above-mentioned structure, owing to control the motor speed of variable frequency pump by the PLC control system, thereby reach the purpose of control flow and pressure, pneumatic diaphragm control valve control mode with traditional pressure sensor control bypass, make pressure sensor and flow sensor into and send the signal of 4-20mA by the variable-frequency motor control of PLC to variable frequency pump, thus not only can controlled pressure and flow, and can according to the size of pressure and flow automatically regulating power carry out production energy-saving.
Description of drawings
Fig. 1 is ROLLING OIL control system schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, ROLLING OIL control system of the present utility model is described in further detail.
As shown in the figure, ROLLING OIL control system of the present utility model, comprise fuel tank 1 and the main line 2 that is connected on the fuel tank 1, the other end of main line 2 is connected with injector head 3, also be connected with a return line 4 between main line 2 and the fuel tank 1, be positioned at and be provided with the variable frequency pump 5 that is driven by variable-frequency motor on the main line 2 of fuel tank one side, two or more variable frequency pumps 5 that driven by variable-frequency motor in parallel can be set according to actual needs; Be positioned on the main line 2 that sprays first side and be provided with pressure sensor 6 and flow sensor 7; Also comprise the PLC control system 8 that to control whole system; The detection signal that pressure sensor 6 and flow sensor 7 send inputs to PLC control system 8, and the control signal of PLC control system 8 exports variable frequency pump 5 to, and variable frequency pump 5 is regulated the rotating speed of variable-frequency motor according to control signal.
By above-mentioned setting, variable frequency pump sends the signal of telecommunication of 4-20mA by pressure sensor and flow sensor, gives the PLC control system, controls the motor speed of variable frequency pump by the PLC control system, thereby reaches the purpose of control flow and pressure.
Energy-conservation is achieved as follows:
1, production technology needs, and a former rolling complete roll bending material needs to shut down, threading, and it is rolling to carry out next time again, and pump is not out-of-work in the meantime, always oepration at full load, by the L-type tee ball valve to tank drainback, energy waste.Adopt now the pump of variable-frequency motor, can make when shutting down, frequency is transferred to minimum, reduces rotating speed, reaches so energy-conservation purpose.
2, when work do not adopted the bypass decompression but frequency reduces the rotating speed of control motor, reaches energy-conservation purpose.
Claims (2)
1. ROLLING OIL control system, comprise fuel tank (1) and be connected to main line (2) on the fuel tank (1), the other end of main line (2) is connected with injector head (3), also be connected with a return line (4) between main line (2) and the fuel tank (1), it is characterized in that: be provided with the variable frequency pump (5) that is driven by variable-frequency motor on the described main line (2) that is positioned at fuel tank one side; Be positioned on the main line (2) that sprays first side and be provided with pressure sensor (6) and flow sensor (7); Also comprise the PLC control system (8) that to control whole system; The detection signal that pressure sensor (6) and flow sensor (7) send inputs to PLC control system (8), and the control signal of PLC control system (8) exports variable frequency pump (5) to, and variable frequency pump (5) is regulated the rotating speed of variable-frequency motor according to control signal.
2. ROLLING OIL control system according to claim 1 is characterized in that: the described variable frequency pump (5) that is driven by variable-frequency motor has in parallel many groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204359147U CN202860996U (en) | 2012-08-30 | 2012-08-30 | Rolling oil control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204359147U CN202860996U (en) | 2012-08-30 | 2012-08-30 | Rolling oil control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202860996U true CN202860996U (en) | 2013-04-10 |
Family
ID=48027754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204359147U Expired - Fee Related CN202860996U (en) | 2012-08-30 | 2012-08-30 | Rolling oil control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202860996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814339A (en) * | 2012-08-30 | 2012-12-12 | 镇江市宏业科技有限公司 | Rolling oil controlling system |
| CN107597852A (en) * | 2017-09-27 | 2018-01-19 | 中国科学院电工研究所无锡分所 | Cold-rolling mill emulsion energy-saving control system |
-
2012
- 2012-08-30 CN CN2012204359147U patent/CN202860996U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814339A (en) * | 2012-08-30 | 2012-12-12 | 镇江市宏业科技有限公司 | Rolling oil controlling system |
| CN107597852A (en) * | 2017-09-27 | 2018-01-19 | 中国科学院电工研究所无锡分所 | Cold-rolling mill emulsion energy-saving control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20150830 |
|
| EXPY | Termination of patent right or utility model |