CN208357491U - A kind of novel blowing system reducing hot rolled steel plate surface oxidation iron sheet residue - Google Patents
A kind of novel blowing system reducing hot rolled steel plate surface oxidation iron sheet residue Download PDFInfo
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- CN208357491U CN208357491U CN201820658273.9U CN201820658273U CN208357491U CN 208357491 U CN208357491 U CN 208357491U CN 201820658273 U CN201820658273 U CN 201820658273U CN 208357491 U CN208357491 U CN 208357491U
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- steel plate
- water
- control unit
- water injector
- hot rolled
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Abstract
A kind of novel blowing system of reduction hot rolled steel plate surface oxidation iron sheet residue of the utility model, belongs to metallurgical technology field.The system of the utility model includes control unit, supply unit and purge unit, and control unit includes PLC controller and PID controller, and control unit is run for control system；Supply unit includes filter and water pump, liquid needed for supply unit is used to convey purging；Purge unit includes temperature sensor, water injector and milling train, which is used to detect the temperature of steel plate, and water injector is used to cool down to steel plate injection high pressure water；Data are simultaneously conveyed to control unit by the temperature of the temperature sensor detection steel plate of purge unit.Control unit controls supply unit conveying high-pressure water, while control unit control water injector carries out cooling and de-scaling to steel plate injection high pressure water, accelerates cooling rate and more economizes on resources, while scale removal effect is more preferable.
Description
Technical field
The utility model belongs to metallurgical technology field, specifically a kind of reduction hot rolled steel plate surface oxidation iron sheet residue
Novel blowing system.
Background technique
With the transition and upgrade of steel industry, how Improving The Quality of Products, guarantee that product core competitiveness has become the country
The primary goal in research of outer major steel enterprise.Due to hot conditions and with the contact of air, iron scale produced in hot rolled steel plate
It is certainly existed in journey and is all the primary factor for influencing hot-rolled product quality for a long time, to remove steel surface iron oxide scale,
Each steel enterprise mainly uses high-pressure water descaling method both at home and abroad, i.e., improves hydraulic pressure by high-pressure hydraulic pump, form height via the effect of nozzle
Injection a fluid stream is injected at a high speed hot-rolled product surface, will be aoxidized by sharp effect, blast action, impact force action, souring
Iron sheet is removed from surface of steel plate.But in actual production, still there is partial oxidation iron sheet to remain in steel plate table after high-pressure water descaling
Face, these iron scale a part are since the vibration of rack in the operation of rolling falls the iron scale on milling train in steel plate table
Face, another part are to cause high pressure descaling water column that can not effectively remove iron scale since middle plate sticks up the factors such as discount and sideslip.
Residual oxygen iron sheet after these high-pressure water descalings will necessarily reduce its structure property and surface smoothness after being rolled into steel plate,
To influence subsequent handling, finally product quality is caused to decline.
Through retrieving, invention and created name are as follows: it is a kind of for alloy-steel plate high-pressure water descaling method (application No. is:
201610721811X, the applying date are as follows: 2016.08.25), this application discloses a kind of high-pressure water descalings for alloy-steel plate
Method controls heating rate and soaking temperature in heating of plate blank, reduces the raw iron scale of furnace；Using low in De-scaling box de-scaling
Warm high pressure water improves the hitting power and water of steel slab surface unit area, enhances removing for iron scale by adjusting Nozzle Parameter
Net energy power；Be rotated by 90 ° before roughing mill to change high pressure water hit position, bite top and bottom rolls gap at a slow speed, by control compared with
Small drafts and injection hydraulic pressure completely remove squama more than stubbornness, and slab reversely rotates 90 ° to initial position after de-scaling, then
Carry out normal roughing operation；In finishing mill rack de-scaling, high-pressure water jet de-scaling is carried out in previous three passes respectively, to secondary
Iron scale is implemented to remove.But this application is disadvantageous in that dephosphorization is not thorough enough, has remaining iron scale, into
And its structure property and surface smoothness will necessarily be reduced, to influence subsequent handling, finally product quality is caused to decline.
Utility model content
1. utility model technical problems to be solved
Utility model aims to solve the high-pressure water descaling of existing hot rolled sheet metal surface is not thorough enough, have residual
The problem of iron scale stayed, provides a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue.Including control
Data are simultaneously conveyed to control by unit, supply unit and purge unit processed, the temperature of the temperature sensor detection steel plate of purge unit
Unit processed, control unit controls supply unit conveying high-pressure water, while control unit control water injector sprays high pressure to steel plate
Water carries out cooling and de-scaling, accelerates cooling rate and more economizes on resources, while scale removal effect is more preferable.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of novel blowing system of reduction hot rolled steel plate surface oxidation iron sheet residue of the utility model, including control are single
Member, the control unit include PLC controller and PID controller, and control unit is run for control system；Supply unit, this is defeated
Sending unit includes filter and water pump, liquid needed for supply unit is used to convey purging；Purge unit, the purge unit include
Temperature sensor, water injector and milling train, the temperature sensor are used to detect the temperature of steel plate, and water injector is used to spray steel plate
High pressure water is penetrated to cool down；Data are simultaneously conveyed to control unit by the temperature of the temperature sensor detection steel plate of purge unit, are controlled
Unit processed controls supply unit conveying high-pressure water, while control unit control water injector cools down to steel plate injection high pressure water
And de-scaling.
Preferably, the temperature sensor and water injector are set to the two sides of milling train, temperature sensor and water injector
Be set to the top of steel plate, the temperature sensor is set to side of the water injector far from milling train, the temperature sensor with
PLC controller electrical connection.
Preferably, the filter is connected by pipeline and connect with water pump, and water pump and filter are equipped with the first slide valve, the
One pressure gauge and first pressure transmitter, first pressure transmitter are electrically connected with PLC controller；The water pump is connected by pipeline
There is motor-driven valve.
Preferably, described control unit further includes host computer and frequency converter, the PLC controller, water pump and frequency converter group
At control loop；The PLC controller, PID controller and frequency converter composition control circuit.
Preferably, the steel plate is placed horizontally at transmission roller surface, and steel plate is set between one group of roll of milling train.
Preferably, the injection direction of the water injector is to tilt on the outside of milling train, the spray angle of the water injector
It is 30 °~45 °, the temperature sensor is set to except the spray regime of water injector.
Preferably, the water injector is connect by pipeline with motor-driven valve, is equipped between water injector and motor-driven valve pneumatic
Valve, the pneumatic operated valve are electrically connected with PLC controller.
Preferably, the second slide valve, second pressure gauge and second pressure transmitter are equipped between water pump and motor-driven valve, it is described
Be equipped with flowmeter and accumulator between second slide valve and second pressure transmitter, second pressure transmitter and motor-driven valve respectively with
PLC controller electrical connection.
Preferably, the water injector spray angle of the milling train two sides is symmetrically opposite about milling train.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) the novel blowing system of a kind of reduction hot rolled steel plate surface oxidation iron sheet residue of the utility model, including control
Unit, supply unit and purge unit processed, control unit include PLC controller and PID controller, and control unit is for controlling system
System operation；Supply unit includes filter and water pump, liquid needed for supply unit is used to convey purging；Purge unit includes temperature
Sensor, water injector and milling train are spent, which is used to detect the temperature of steel plate, and water injector is used to spray steel plate
High pressure water cools down；Data are simultaneously conveyed to control unit by the temperature of the temperature sensor detection steel plate of purge unit, are controlled
Unit control supply unit conveying high-pressure water, while control unit control water injector to steel plate injection high pressure water carry out cooling and
De-scaling accelerates cooling rate and more economizes on resources, while scale removal effect is more preferable；
(2) the novel blowing system of a kind of reduction hot rolled steel plate surface oxidation iron sheet residue of the utility model, water spray dress
The two sides for being placed in milling train are installed, the injection direction of water injector is to tilt on the outside of milling train, the spray angle of the water injector
It is 30 °~45 °, the iron scale of removing can be blown open and reduce water in the residence time of surface of steel plate, steel plate is avoided to cool down
It is excessive；
(3) the novel blowing system of a kind of reduction hot rolled steel plate surface oxidation iron sheet residue of the utility model, PLC control
Device, water pump and frequency converter composition control circuit；The PLC controller, PID controller and frequency converter composition control circuit use
Frequency converter adjusts the revolving speed of water pump, and energy consumption is reduced while meeting performance requirement.
Detailed description of the invention
Fig. 1 is a kind of structure of the novel blowing system of reduction hot rolled steel plate surface oxidation iron sheet residue of the utility model
Schematic diagram.
Label declaration in schematic diagram:
100, control unit；110, host computer；120, PLC controller；130, PID controller；140, frequency converter；
200, supply unit；210, filter；221, the first slide valve；222, the second slide valve；231, first pressure gauge；
232, second pressure gauge；241, first pressure transmitter；242, second pressure transmitter；250, expansion joint；260, water pump；270,
Flowmeter；280, accumulator；290, motor-driven valve；
300, purge unit；310, temperature sensor；320, pneumatic operated valve；330, water injector；340, milling train；350, it rolls
Roller；360, live-roller；370, steel plate.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states, several embodiments of the utility model is given in attached drawing, still, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein, on the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
It should be noted that it can directly on the other element when element is referred to as " being fixedly arranged on " another element
Or there may also be elements placed in the middle；When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements；Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical；Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model；Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Embodiment 1
Referring to shown in attached drawing 1, a kind of novel blowing system of reduction hot rolled steel plate surface oxidation iron sheet residue of the present embodiment
System, including control unit 100, supply unit 200 and purge unit 300, control unit 100 include PLC controller 120 and PID
Controller 130, control unit 100 are run for control system；Supply unit 200 includes filter 210 and water pump 260, conveying
Liquid needed for unit 200 is used to convey purging；Purge unit 300 includes temperature sensor 310, water injector 330 and milling train
340, which is used to detect the temperature of steel plate 370, water injector 330 be used to spray steel plate 370 high pressure water into
Row cooling；The temperature sensor 310 of purge unit 300 detects the temperature of steel plate 370 and data is conveyed to control unit 100,
Control unit 100 controls 200 conveying high-pressure water of supply unit, while control unit 100 controls water injector 330 to steel plate 370
Injection high pressure water carries out cooling and de-scaling.
The temperature sensor 310 and water injector 330 of the present embodiment are set to the two sides of milling train 340, temperature sensor 310
It is set to the top of steel plate 370 with water injector 330, is conducive to temperature sensor 310 to the accurate of 370 temperature detection of steel plate
Property, and be conducive to water injector 330 and injection high pressure water is carried out to steel plate 370.The injection direction of water injector 330 is to milling train
340 outside inclinations, the spray angle of water injector 330 are 30 °~45 °, and the preferred spray angle of the present embodiment is 30 °, can will
The iron scale of removing blows open and reduces water in the residence time of surface of steel plate, avoids excessive, the temperature sensing of steel plate cooling
Device 310 is set to except the spray regime of water injector 330, prevents water injector 330 from ejecting water to temperature sensor 310
On, the detection accuracy of temperature sensor 310 is influenced, 330 spray angle of water injector of 340 two sides of milling train is about milling train
340 is symmetrical opposite.Temperature sensor 310 is set to side of the water injector 330 far from milling train 340, the temperature sensor 310
It is electrically connected with PLC controller 120, the temperature data that temperature sensor 310 will test is real-time transmitted to PLC controller 120.
The filter 210 of the present embodiment is connected by pipeline and connect with water pump 260, and water pump 260 and filter 210 are equipped with the
One slide valve 221, first pressure gauge 231 and first pressure transmitter 241, first pressure transmitter 241 and PLC controller 120
Electrical connection, first pressure gauge 231 are transported to the pressure before water pump 260 for observation water, and first pressure transmitter 241 is used for will
Pressure before water is transported to water pump 260 is conveyed to PLC controller 120；The water pump 260 is connected with motor-driven valve by pipeline
290, the second slide valve 222, second pressure gauge 232 and second pressure transmitter 242 are equipped between water pump 260 and motor-driven valve 290,
Flowmeter 270 and accumulator 280 are equipped between second slide valve 222 and second pressure transmitter 242, flowmeter 270 is used
In the First Astronautic Research Institute for Measurement and Test conveying water flow, accumulator 280 be used for in pipeline water carry out accumulation of energy and to pipeline carry out damping, second
Pressure transmitter 242 and motor-driven valve 290 are electrically connected with PLC controller 120 respectively, and second pressure gauge 232 is conveyed for observation water
Pressure to after water pump 260, pressure of the second pressure transmitter 242 for after delivering water into water pump 260 are conveyed to PLC
Controller 120.Expansion joint 250 is equipped between water pump 260 and the second slide valve 222, expansion joint 250 is for carrying out into one pipeline
Walk damping.
The control unit 100 of the present embodiment further includes host computer 110 and frequency converter 140, the PLC controller 120, water pump
260 with 140 composition control circuit of frequency converter；The PLC controller 120, PID controller 130 and 140 composition control of frequency converter return
Road.
The steel plate 370 of the present embodiment is placed horizontally at 360 surface of live-roller, and be set to milling train 340 one group of steel plate 370 rolls
Between roller 350, water injector 330 is connect by pipeline with motor-driven valve 290, and gas is equipped between water injector 330 and motor-driven valve 290
Dynamic valve 320, the pneumatic operated valve 320 are electrically connected with PLC controller 120.
The workflow of the system of the present embodiment is as follows: temperature sensor 310 detects the temperature of steel plate 370, and by temperature
Data are conveyed to PLC controller 120, and when temperature is excessively high to be cooled down, PLC controller 120 is pumped according to temperature controlled water
260 carry out work and the opening of motor-driven valve 290, while PLC controller 120 controls pneumatic operated valve 320 and opens, and water injector 330 carries out
Work, cools down to steel plate 370, and live-roller 360 drives steel plate 370 to carry out hot rolling in the roll 350 of milling train 340.
Certain embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model；It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model；Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue, it is characterised in that: including
Control unit (100), the control unit (100) include PLC controller (120) and PID controller (130), control unit
(100) it is run for control system；
Supply unit (200), the supply unit (200) include filter (210) and water pump (260), and supply unit (200) is used for
Liquid needed for conveying purging；
Purge unit (300), the purge unit (300) include temperature sensor (310), water injector (330) and milling train
(340), which is used to detect the temperature of steel plate (370), and water injector (330) is used to spray steel plate (370)
High pressure water is penetrated to cool down；
Data are simultaneously conveyed to control unit by the temperature of temperature sensor (310) detection steel plate (370) of purge unit (300)
(100), control unit (100) controls supply unit (200) conveying high-pressure water, while control unit (100) controls water injector
(330) cooling and de-scaling are carried out to steel plate (370) injection high pressure water.
2. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue according to claim 1, special
Sign is: the temperature sensor (310) and water injector (330) are set to the two sides of milling train (340), temperature sensor
(310) and water injector (330) is set to the tops of steel plate (370), and the temperature sensor (310) is set to water injector
(330) far from the side of milling train (340), the temperature sensor (310) is electrically connected with PLC controller (120).
3. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue according to claim 1, special
Sign is: the filter (210) is connected by pipeline and is connect with water pump (260), and water pump (260) is equipped with filter (210)
First slide valve (221), first pressure gauge (231) and first pressure transmitter (241), first pressure transmitter (241) and PLC
Controller (120) electrical connection；The water pump (260) is connected with motor-driven valve (290) by pipeline.
4. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue according to claim 1, special
Sign is: described control unit (100) further includes host computer (110) and frequency converter (140), the PLC controller (120), water
Pump (260) and frequency converter (140) composition control circuit；The PLC controller (120), PID controller (130) and frequency converter
(140) composition control circuit.
5. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue according to claim 1, special
Sign is: the steel plate (370) is placed horizontally at live-roller (360) surface, and steel plate (370) is set to one group of milling train (340)
Between roll (350).
6. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue according to claim 2, special
Sign is: the injection direction of the water injector (330) is to tilt on the outside of milling train (340), the spray of the water injector (330)
Firing angle degree is 30 °~45 °, and the temperature sensor (310) is set to except the spray regime of water injector (330).
7. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue according to claim 3, special
Sign is: the water injector (330) is connect by pipeline with motor-driven valve (290), water injector (330) and motor-driven valve (290)
Between be equipped with pneumatic operated valve (320), which is electrically connected with PLC controller (120).
8. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue according to claim 3, special
Sign is: the second slide valve (222), second pressure gauge (232) and the second pressure are equipped between water pump (260) and motor-driven valve (290)
Power transmitter (242) is equipped with flowmeter (270) and stores between second slide valve (222) and second pressure transmitter (242)
Energy device (280), second pressure transmitter (242) and motor-driven valve (290) are electrically connected with PLC controller (120) respectively.
9. a kind of novel blowing system for reducing hot rolled steel plate surface oxidation iron sheet residue according to claim 6, special
Sign is: water injector (330) spray angle of milling train (340) two sides is symmetrical opposite about milling train (340).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658273.9U CN208357491U (en) | 2018-05-04 | 2018-05-04 | A kind of novel blowing system reducing hot rolled steel plate surface oxidation iron sheet residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658273.9U CN208357491U (en) | 2018-05-04 | 2018-05-04 | A kind of novel blowing system reducing hot rolled steel plate surface oxidation iron sheet residue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208357491U true CN208357491U (en) | 2019-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820658273.9U Expired - Fee Related CN208357491U (en) | 2018-05-04 | 2018-05-04 | A kind of novel blowing system reducing hot rolled steel plate surface oxidation iron sheet residue |
Country Status (1)
| Country | Link |
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| CN (1) | CN208357491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749499A (en) * | 2022-06-13 | 2022-07-15 | 深圳市信润富联数字科技有限公司 | Descaling nozzle control method and device, electronic equipment and readable storage medium |
| CN115213233A (en) * | 2022-04-22 | 2022-10-21 | 广西广盛新材料科技有限公司 | Method, controller and system for spraying and sweeping strip steel |
-
2018
- 2018-05-04 CN CN201820658273.9U patent/CN208357491U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213233A (en) * | 2022-04-22 | 2022-10-21 | 广西广盛新材料科技有限公司 | Method, controller and system for spraying and sweeping strip steel |
| CN114749499A (en) * | 2022-06-13 | 2022-07-15 | 深圳市信润富联数字科技有限公司 | Descaling nozzle control method and device, electronic equipment and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20190504 |