CN206643135U - DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system - Google Patents
DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system Download PDFInfo
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- CN206643135U CN206643135U CN201720339459.3U CN201720339459U CN206643135U CN 206643135 U CN206643135 U CN 206643135U CN 201720339459 U CN201720339459 U CN 201720339459U CN 206643135 U CN206643135 U CN 206643135U
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Abstract
It the utility model is related to a kind of DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system, including supply channel, discharge pipe line, supply air line, pyrometer, PLC and man-machine interface, supply channel is provided with electromagnetic flowmeter, pneumatic diaphragm control valve and fast pneumatic stop valve, discharge pipe line is provided with pneumatic diaphragm control valve and fast pneumatic stop valve, supply air line is provided with magnetic valve, pyrometer is located on cooling water tank, on the guide groove in downstream, pyrometer, pneumatic diaphragm control valve, electromagnetic flowmeter, fast pneumatic stop valve and magnetic valve are connected with PLC respectively, PLC is connected with man-machine interface.The system can realize temperature scaling factor, flow closed-loop control and control manually, each cooling nozzles can quickly and accurately be controlled, clean the keying of nozzle and dry nozzle, any cooling nozzles in water tank can be selected to cool down rolled piece as needed, it may determine that supplied materials non-uniform temperature or cooling water tank problem itself, good cooling results.
Description
Technical field
The utility model belongs to hot rolling production technical field, and in particular to a kind of DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system
System.
Background technology
In the hot rolling production of Bar Wire Product, with the continuous improvement of mill speed, in high-speed rolling area, rolled piece produces hurried
Temperature rise, if using the natural type of cooling, not only cause long cool time, factory building and equipment volume huge, but also can add
Acute finished product internal-external temperature difference, cause cooling it is extremely uneven, so as to cause, metallographic structure is undesirable, performance is uneven, iron scale mistake
The quality problems such as thickness, secondary decarburization, therefore generally require and arrange water cooling plant after finish rolling on DEVICE FOR BAR AND WIRE HOT ROLLING production line, pass through
Water cooling plant suitably controls wire rod cooling velocity and is allowed to cooling uniformly, and these influences can effectively be mitigated or eliminated.
DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant generally comprises cooling water tank and is located at the guide groove of cooling water tank upstream and downstream, cooling
Dry nozzle, cooling nozzles are generally comprised in water tank and clean nozzle.In DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant, how nozzle is realized
Keying, how to realize the detection of convection current amount temperature and control be a system and it is complicated the problem of, therefore, need a kind of structure badly
Simply, full-featured DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system.
Utility model content
The purpose of this utility model is to provide a kind of DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system, and the system can realize temperature
Spend closed-loop control, flow closed-loop control and manually control, can quickly and accurately control each cooling nozzles, clean nozzle and
The keying of dry nozzle, any cooling nozzles in water tank can be selected to cool down rolled piece as needed, it can be determined that going out is
Supplied materials non-uniform temperature or cooling water tank problem itself, good cooling results.
Technical scheme is used by the utility model：
A kind of DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system, including supply channel, discharge pipe line, supply air line, pyrometer,
PLC and man-machine interface, supply channel include water supply main road and water supply branch road, and all cooling nozzles and cleaning nozzle are with supplying
Water branch road corresponds, and all water supply branch roads converge includes draining main road and draining branch road, draining branch to water supply main road, discharge pipe line
Road connects draining main road with water supply main road, and water supply main road is provided with electromagnetic flowmeter, and water supply main road and draining main road are provided with
Pneumatic diaphragm control valve, fast pneumatic stop valve is equipped with all water supply branch roads and draining branch road, and supply air line includes supply
Main road and supply branch road, supply branch road and all pneumatic diaphragm control valves, fast pneumatic stop valve, cooling nozzles, cleaning nozzle
Corresponded with dry nozzle, be equipped with magnetic valve on supply branch road corresponding with cooling nozzles and dry nozzle, sprayed with cleaning
Supply branch road corresponding to mouth shares a magnetic valve, and all supply branch roads converge to supply main road, pyrometer is located on cooling water tank,
On the guide groove in downstream, pyrometer, pneumatic diaphragm control valve, electromagnetic flowmeter, fast pneumatic stop valve and magnetic valve respectively with PLC
Controller is connected, and PLC is connected with man-machine interface.
Further, described DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system also includes the heat gold for being located at cooling water tank upstream
Belong to detector, hot metal detector is located between two sections of guide grooves of cooling water tank upstream.
Further, on water supply main road, the upstream and downstream of pneumatic diaphragm control valve is respectively provided with a pressure transmitter, pneumatically
The pressure transmitter of diaphragm valve upstream is connected with low pressure alarm, the pressure transmitter in pneumatic diaphragm control valve downstream with
PLC connects.
Further, pressure transmitter is nearby provided with pressure gauge.
Further, the pneumatic diaphragm control valve on water supply main road is provided with bypass line.
Further, supply air line and supply channel are provided with pressure gauge.
Further, supply main road is provided with pneumatic triple piece.
Further, a cooling branch road is led on water supply main road, it is all dry nozzles that cooling branch road, which is provided with, cold
But the cool-down nozzle of the outer surface cooling of nozzle and cleaning nozzle.
The beneficial effects of the utility model are：
1. the system can realize temperature scaling factor, flow closed-loop control and control manually, temperature scaling factor ---
Pyrometer exports temperature of the rolled piece on the guide groove of cooling water tank downstream in real time, is actual temperature, and PLC passes through actual temperature
With the opening degree of pneumatic diaphragm control valve on sets target temperature adjustment water supply main road so that the temperature control of rolled piece is in target
Value；Flow closed-loop control --- electromagnetic flowmeter exports the actual flow of cooling water in real time, PLC by actual flow and
The opening degree of pneumatic diaphragm control valve on sets target Flow-rate adjustment water supply main road, so that the flow to supply water is controlled in target
Value, control --- man-machine interface manually sets the opening degree of each regulating valve, suitable for manual intervention in emergency circumstances manually；
Pyrometer can detect temperature of the rolled piece on the guide groove of cooling water tank upstream and downstream, temperature of the rolled piece on the guide groove of cooling water tank upstream
Degree can analyze (temperature of record and monitoring rolled piece) as supplied materials steel temperature, if temperature of the rolled piece on the guide groove of cooling water tank downstream
It is unstable, only need to check whether temperature of the rolled piece on the guide groove of cooling water tank upstream is stablized, you can judge be supplied materials temperature not
Uniform or cooling water tank problem itself；After a upper steel is by water cooling plant, the air bladder on draining main road
(automatic) the regulation opening degree of regulating valve, by hydraulic pressure of the hydraulic pressure control when a upper steel cools down, prevents that next steel from being cooled down
When, larger impact is produced, so as to ensure that accurate cooling effect；Fast pneumatic stop valve on water supply branch road is used for quick
Control cooling nozzles and clean the keying of nozzle, the fast pneumatic stop valve on draining branch road, which is used for draining branch road where controlling, is
It is no to come into operation, supply the magnetic valve on branch road and be used to control corresponding cooling nozzles, clean the keying of nozzle and dry nozzle, this
System can quickly and accurately control each cooling nozzles, clean the keying of nozzle and dry nozzle, can select as needed
Arbitrary cooling nozzles cool down to rolled piece in cooling water tank.
2. hot metal detector is used for the keying for controlling cooling water tank.
3. the pressure transmitter of pneumatic diaphragm control valve upstream is used to measure pressure, when hydraulic pressure is less than setting pressure
(0.55MPa) alarm, the pressure transmitter in pneumatic diaphragm control valve downstream is for measuring pressure and pressure value being fed back into PLC
Controller.
4. the pressure of the gauge measurement near pressure transmitter is used for the pressure value for checking check pressure transmitter.
When 5. the bypass line of the pneumatic diaphragm control valve on water supply main road is used for service valve or in emergency circumstances artificial
Intervene.
6. pressure gauge is used to monitor pressure everywhere.
7. pneumatic triple piece is used for the quality for improving compressed air, each gas instrument element is protected.
8. cool-down nozzle is all dry nozzles, cooling nozzles and the outer surface cooling for cleaning nozzle, overheating deforming is prevented.
Brief description of the drawings
Fig. 1 is the schematic diagram of all nozzles in cooling water tank, supply channel, discharge pipe line and supply air line.
In figure：PI0101, PI0104, PI0128-PI0133 are pressure gauge；PT0102, PT0105 are pressure transmitter；
FCV0103, PCV0106 are pneumatic diaphragm control valve；FET0107 is electromagnetic flowmeter；SV0108-SV0118 cuts for fast pneumatic
Disconnected valve；SV0119-SV0127 is magnetic valve.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
There are 2 dry nozzles, 6 cooling nozzles, 2 DEVICE FOR BAR AND WIRE HOT ROLLING water coolings for cleaning nozzle to have in cooling water tank
Exemplified by device, DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system is designed.It is dry nozzle, cold what deserves to be explained is in actual applications
But the number of nozzle and cleaning nozzle is not limited to, and can choose at random collocation.
A kind of DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system, including supply channel, discharge pipe line, supply air line, pyrometer,
PLC and man-machine interface, as shown in figure 1, supply channel includes water supply main road and water supply branch road, all cooling nozzles and clear
Sweep nozzle to correspond with water supply branch road, all water supply branch roads converge includes draining main road and draining to water supply main road, discharge pipe line
Branch road, draining branch road connect draining main road with water supply main road, and water supply main road is provided with electromagnetic flowmeter FET0107, and supply water master
Road and draining main road are provided with pneumatic diaphragm control valve (FCV0103, PCV0106), on all water supply branch roads and draining branch road
Provided with fast pneumatic stop valve (SV0108-SV0118), supply air line includes supply main road and supply branch road, supplies branch road and institute
There are pneumatic diaphragm control valve (FCV0103, PCV0106), fast pneumatic stop valve (SV0108-SV0118), cooling nozzles, cleaning
Nozzle and dry nozzle are corresponded, and magnetic valve is equipped with supply branch road corresponding with cooling nozzles and dry nozzle
(SV0119-SV0126), supply branch road corresponding with cleaning nozzle shares a magnetic valve SV0127, all supply branch roads converge to
Supply main road, pyrometer is located on the guide groove of cooling water tank upstream and downstream, pyrometer, pneumatic diaphragm control valve (FCV0103,
PCV0106), electromagnetic flowmeter FET0107, fast pneumatic stop valve (SV0108-SV0118) and magnetic valve (SV0119-
SV0127) it is connected respectively with PLC, PLC is connected with man-machine interface.
The system can complete temperature scaling factor, flow closed-loop control and control manually, and operative employee can be in three kinds of moulds
Arbitrarily switch under formula, pneumatic diaphragm control valve FCV0103 opening degree is progressively adjusted, no with new control model during switching
It can undergo mutation, temperature scaling factor --- pyrometer exports temperature of the rolled piece on the guide groove of cooling water tank downstream in real time, in fact
Border temperature, PLC pass through pneumatic diaphragm control valve FCV0103 in actual temperature and sets target temperature adjustment water supply main road
Opening degree (automatically, continuously carry out PI regulations) so that the temperature control of rolled piece is in desired value；Flow closed loop control
System --- electromagnetic flowmeter FET0107 exports the actual flow of cooling water in real time, and PLC passes through actual flow and setting mesh
The opening degree (automatically, continuously carrying out PI regulations) of pneumatic diaphragm control valve FCV0103 on Flow-rate adjustment water supply main road is marked, from
And the flow of water supply is controlled in desired value, control --- man-machine interface manually sets the opening degree of each regulating valve manually, fits
For manual intervention in emergency circumstances.
Specifically, during temperature scaling factor, sets target value TMesh, initial water value Q (units：m3/ h), system is according to just
Beginning flow Q automatically adjusts the opening degree of pneumatic diaphragm control valve FCV0103 on water supply main road, and rolled piece is in cooling water tank downstream guide groove
On temperature be actual temperature TIt is real, actual temperature TIt is realFeed back to PLC, PLC is by actual temperature TIt is realWith target temperature
Spend TMeshIt is compared, if | TIt is real-TMesh|≤10 DEG C, then meet control accuracy requirement, otherwise control system automatically, is continuously carried out
PI is adjusted, and is exported for controlling flow control circuit, untill required precision is reached, to prevent from occurring because pyrometer detects
Error signal and cause adjuster produce mistake output, set software filtering loop in temperature detection link, movement done to temperature detection
Average filter.During flow closed-loop control, directly flow is set in man-machine interface, system is adjusted automatically according to actual flow
The opening degree of pneumatic diaphragm control valve FCV0103 on water supply main road is saved, when system is set for the first time, can be passed through according to production
Test and first set a flow setting value production, self learning system can keep learning in this operating mode, put into temperature closed loop
During control, it can adjust on this basis., can be by system when water-cooling system rolls some steel grade and specification for the first time after coming into operation
In temperature open loop, flow closed-loop control state, operative employee sets flow or controls to adjust valve manually according to historical experience
FCV0103 opening degrees, after reaching the control effect being satisfied in the main, then Cryocooler Temperature Closed Loop Control System is put into, further improve control
Precision, the system can record corresponding learning experience according to the condition of production, in production afterwards, recall use automatically.
Pyrometer can detect temperature of the rolled piece on the guide groove of cooling water tank upstream and downstream, and rolled piece is led in cooling water tank upstream
Temperature on groove can be used as supplied materials steel temperature to analyze, the temperature of record and monitoring rolled piece, if rolled piece is in cooling water tank downstream guide groove
On temperature it is unstable, only need to check whether temperature of the rolled piece on the guide groove of cooling water tank upstream is stablized, you can judge come
Expect non-uniform temperature or cooling water tank problem itself.
After a upper steel is by water cooling plant, the pneumatic diaphragm control valve PCV0106 on draining main road is (certainly
It is dynamic) regulation opening degree, by hydraulic pressure of the hydraulic pressure control when a upper steel cools down, when preventing that next steel from being cooled down, produce compared with
Big impact, so as to ensure that accurate cooling effect.
Fast pneumatic stop valve (SV0108-SV0115) on water supply branch road is used to accelerated controlled cooling nozzle and cleaned spray
The keying of mouth, the fast pneumatic stop valve (SV0116-SV0118) on draining branch road are used for whether draining branch road where controlling to be thrown
Enter to use, supply the magnetic valve (SV0119-SV0127) on branch road and be used to control corresponding cooling nozzles, clean nozzle and dry spray
The keying of mouth, the system can quickly and accurately control each cooling nozzles, clean the keying of nozzle and dry nozzle, can be with
Any cooling nozzles cool down to rolled piece in selection cooling water tank as needed.
In the present embodiment, DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system also includes the thermometal for being located at cooling water tank upstream
Detector, hot metal detector are located between two sections of the guide groove of cooling water tank upstream.Hot metal detector, which is used to control, to be cooled down
The keying of water tank.
As shown in figure 1, in the present embodiment, on water supply main road, pneumatic diaphragm control valve FCV0103 upstream and downstream is respectively set
Have a pressure transmitter (PT0102, PT0105), the pressure transmitter PT0102 of pneumatic diaphragm control valve FCV0103 upstreams with
Low pressure alarm is connected, and the pressure transmitter PT0105 in pneumatic diaphragm control valve FCV0103 downstreams is connected with PLC.Gas
The pressure transmitter PT0102 of dynamic diaphragm valve FCV0103 upstreams is used to measure pressure, when hydraulic pressure is less than setting pressure
(0.55MPa) alarm, the pressure transmitter PT0105 in pneumatic diaphragm control valve FCV0103 downstreams is for measuring pressure and will press
Force value feeds back to PLC.
As shown in figure 1, in the present embodiment, pressure transmitter (PT0102, PT0105) is nearby provided with pressure gauge
(PI0101、PI0104).The pressure of pressure gauge (the PI0101, PI0104) measurement of pressure transmitter (PT0102, PT0105) nearby
Power is used for the pressure value for checking check pressure transmitter (PT0102, PT0105).
As shown in figure 1, in the present embodiment, the pneumatic diaphragm control valve FCV0103 on water supply main road is provided with bypass line.
When the bypass line of pneumatic diaphragm control valve FCV0103 on water supply main road is used for service valve or in emergency circumstances artificial dry
In advance.
As shown in figure 1, in the present embodiment, supply air line and supply channel are provided with pressure gauge (PI0128-PI0133).
Pressure gauge (PI0128-PI0133) is used to monitor pressure everywhere.
As shown in figure 1, in the present embodiment, supply main road is provided with pneumatic triple piece.Pneumatic triple piece, which is used to improve, presses
The quality of contracting air, protect each gas instrument element.
As shown in figure 1, in the present embodiment, a cooling branch road is led on water supply main road, cooling branch road, which is provided with, is
The cool-down nozzle of the surface of shell cooling of all dry nozzles, cooling nozzles and cleaning nozzle.Cool-down nozzle is all dry sprays
Mouth, cooling nozzles and the outer surface cooling for cleaning nozzle, prevent overheating deforming.
The utility model provides skill to produce the further raising of high performance alloy steel rod wire rod and mill speed
Art guarantee, it is extremely advantageous particularly with the performance of production manganese-vanadium-niobium steel, the good non-hardened and tempered steel of strength high toughness is can obtain, to roll
Steel improve yield, reduce cost, increase economic efficiency, saves the energy, improve product quality on technical solution is provided,
Utility model control is flexible, and control accuracy is high, suitable for being promoted DEVICE FOR BAR AND WIRE HOT ROLLING project.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (8)
- A kind of 1. DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system, it is characterised in that：Including supply channel, discharge pipe line, air supply pipe Road, pyrometer, PLC and man-machine interface, supply channel include water supply main road and water supply branch road, all cooling nozzles and clear Sweep nozzle to correspond with water supply branch road, all water supply branch roads converge includes draining main road and draining to water supply main road, discharge pipe line Branch road, draining branch road connect draining main road with water supply main road, and water supply main road is provided with electromagnetic flowmeter, water supply main road and draining Main road is provided with pneumatic diaphragm control valve, and fast pneumatic stop valve, air supply pipe are equipped with all water supply branch roads and draining branch road Road includes supply main road and supply branch road, and supply branch road sprays with all pneumatic diaphragm control valves, fast pneumatic stop valve, cooling Mouth, nozzle and dry nozzle one-to-one corresponding are cleaned, electromagnetism is equipped with supply branch road corresponding with cooling nozzles and dry nozzle Valve, supply branch road corresponding with cleaning nozzle share a magnetic valve, and all supply branch roads, which converge to supply main road, pyrometer, to be located at On the guide groove of cooling water tank upstream and downstream, pyrometer, pneumatic diaphragm control valve, electromagnetic flowmeter, fast pneumatic stop valve and electromagnetism Valve is connected with PLC respectively, and PLC is connected with man-machine interface.
- 2. DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system as claimed in claim 1, it is characterised in that：Described DEVICE FOR BAR AND WIRE HOT ROLLING Water cooling plant control system also includes the hot metal detector for being located at cooling water tank upstream, and hot metal detector is located at cooling water tank Between two sections of guide grooves of upstream.
- 3. DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system as claimed in claim 1, it is characterised in that：On water supply main road, gas The upstream and downstream of dynamic diaphragm valve is respectively provided with a pressure transmitter, the pressure transmitter and low pressure of pneumatic diaphragm control valve upstream Alarm is connected, and the pressure transmitter in pneumatic diaphragm control valve downstream is connected with PLC.
- 4. DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system as claimed in claim 3, it is characterised in that：Pressure transmitter is nearby set There is pressure gauge.
- 5. DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system as claimed in claim 1, it is characterised in that：It is pneumatic on water supply main road Film is provided with bypass line.
- 6. DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system as claimed in claim 1, it is characterised in that：Supply air line and feed pipe Road is provided with pressure gauge.
- 7. DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system as claimed in claim 1, it is characterised in that：Supply main road is provided with gas Dynamic three linked piece.
- 8. DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system as claimed in claim 1, it is characterised in that：Led on water supply main road One cooling branch road, cooling branch road are provided with the drop of the outer surface cooling for all dry nozzles, cooling nozzles and cleaning nozzle Warm nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339459.3U CN206643135U (en) | 2017-03-31 | 2017-03-31 | DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339459.3U CN206643135U (en) | 2017-03-31 | 2017-03-31 | DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206643135U true CN206643135U (en) | 2017-11-17 |
Family
ID=60274797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720339459.3U Active CN206643135U (en) | 2017-03-31 | 2017-03-31 | DEVICE FOR BAR AND WIRE HOT ROLLING water cooling plant control system |
Country Status (1)
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| CN (1) | CN206643135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111836687A (en) * | 2018-03-12 | 2020-10-27 | Sms集团有限公司 | Cooling group of laminar flow cooling device |
| CN113546971A (en) * | 2020-04-24 | 2021-10-26 | 德国考科斯技术有限公司 | Apparatus for cooling long products and method for cooling long products using said apparatus |
-
2017
- 2017-03-31 CN CN201720339459.3U patent/CN206643135U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111836687A (en) * | 2018-03-12 | 2020-10-27 | Sms集团有限公司 | Cooling group of laminar flow cooling device |
| CN111836687B (en) * | 2018-03-12 | 2023-03-31 | Sms集团有限公司 | Cooling group of laminar flow cooling device |
| US11745237B2 (en) | 2018-03-12 | 2023-09-05 | Sms Group Gmbh | Cooling unit of a laminar cooling device |
| CN113546971A (en) * | 2020-04-24 | 2021-10-26 | 德国考科斯技术有限公司 | Apparatus for cooling long products and method for cooling long products using said apparatus |
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