CN107099651A - A kind of method and system of perhydro protection gas roller bottom stove hydrogen flowing quantity control - Google Patents
A kind of method and system of perhydro protection gas roller bottom stove hydrogen flowing quantity control Download PDFInfo
- Publication number
- CN107099651A CN107099651A CN201710341259.6A CN201710341259A CN107099651A CN 107099651 A CN107099651 A CN 107099651A CN 201710341259 A CN201710341259 A CN 201710341259A CN 107099651 A CN107099651 A CN 107099651A
- Authority
- CN
- China
- Prior art keywords
- furnace pressure
- pressure value
- flowing quantity
- hydrogen flowing
- perhydro
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
A kind of method and system of perhydro protection gas roller bottom stove hydrogen flowing quantity control, including step in detail below：S1, sets standard furnace pressure value；S2, current furnace pressure value in the furnace for brightness is read by the furnace pressure sensor being arranged in furnace for brightness；S3, the standard furnace pressure value is compared with current furnace pressure value；The given of hydrogen flowing quantity is adjusted S4, passing ratio adjusting means.Present device, which is had automaticity high and can set with specification, to be formulated, and reduces bright annealing cost, the advantage that bright annealing controllable degree is high, production efficiency is high.
Description
Technical field
The present invention relates to pipeline production equipment technical field, and in particular to a kind of perhydro protects the bottom stove hydrogen flowing quantity control of gas roller
The method and system of system.
Background technology
Heat treatment is indispensable important process in stainless-steel pipe production process, in production and new product development
In occupy very important status.There has been a very big technological progress country in this field at present, but for heat at
Manage stove hydrogen flowing quantity control, overall control is still concentrated mainly at present, to different size still can not accuracy controlling, be not reaching to
It is cost-effective on the premise of steel pipe thermal treatment quality is ensured.
The main of prior art adjusts uninterrupted in real time using artificial, is entered by pipeline ratio adjusting valve according to real-time traffic
Row regulation is given.Use more in the industrial production, but very flexible, damage big, annealing cost is high
Simultaneously new flow control technique is mainly the control of furnace pressure auxiliary flow, and control technology is relatively complicated, cumbersome, pin
It is high to different steel tube anneal demand controllable degrees, and hydrogen flowing quantity can be automatically adjusted under holding state, to reach hydrogen profit
Optimized with degree.
The content of the invention
It is an object of the invention to provide a kind of method and system of perhydro protection gas roller bottom stove hydrogen flowing quantity control, the present invention passes through
The feedback of furnace pressure is controlled to hydrogen flowing quantity immediately.
The present invention above-mentioned technical purpose technical scheme is that：Including step in detail below：
S1, sets standard furnace pressure value；
S2, current furnace pressure value in the furnace for brightness is read by the furnace pressure sensor being arranged in furnace for brightness；
S3, the standard furnace pressure value is compared with current furnace pressure value；
The given of hydrogen flowing quantity is adjusted S4, passing ratio adjusting means.
As a preference of the present invention, described T2 temperature and described T3 temperature are higher than described T1 temperature.
As a preference of the present invention, in the B1 steps, the extruding hollow forging of normal temperature state is heated into heat preservation zone
It is incubated between 1040 DEG C ~ 1140 DEG C, tapping temperature is less than 1140 DEG C.
As a preference of the present invention, in S4, when the preceding furnace pressure value is higher than the 110% of the standard furnace pressure value, the ratio
Example adjusting means lifts the given of hydrogen flowing quantity；
When the preceding furnace pressure value is the 95% ~ 110% of the standard furnace pressure value, the YE gradually steady hydrogen flow
It is given.
As a preference of the present invention, described standard furnace pressure value is configured by man-machine interactive system, man-machine interaction system
Unite and the transmission of the standard furnace pressure value is carried out with BDW forms.
As a preference of the present invention, also including setting predetermined amount of flow value in S1, as S4, to terminate Posterior circle S2 ~ S4 straight
Given to hydrogen flowing quantity reaches the predetermined amount of flow value.
The present invention have also been devised a kind of perhydro protection gas roller bottom stove hydrogen flowing quantity control system, including controller, furnace pressure are passed
Sensor, flowmeter, ratio control device, described furnace pressure sensor are both connected to the input of the controller with the flowmeter
End, described ratio control device is connected to the output end of the controller；
Described furnace pressure sensor is arranged in furnace for brightness, for feeding back the current furnace pressure value in furnace for brightness；
Described flowmeter is arranged on the supply air line of hydrogen, the hydrogen stream value current for reading；
Described ratio control device is arranged on the supply air line of hydrogen, and for adjusting, current hydrogen flowing quantity is given.
As a preference of the present invention, also including man-machine interactive system, the man-machine interactive system is connected with the controller,
For setting standard furnace pressure value.
As a preference of the present invention, also including two-stage alarm, described alarm is connected with the controller, the report
Alert device is communicated in Boolean variable form with the controller.
As a preference of the present invention, the furnace pressure sensor is fed back with analog signaling to the controller, instead
Feedback value scope is 4 ~ 20mA, wherein 4mA correspondence 0mbar, 20mA correspondences 2000mbar.
In summary, the present invention has the advantages that：
Present device, which is had automaticity high and can set with specification, to be formulated, and reduces bright annealing cost, bright annealing can
The advantage that control degree is high, production efficiency is high.
Brief description of the drawings
Fig. 1 is the first method embodiment schematic flow sheet of the present invention；
Fig. 2 is the second method embodiment schematic flow sheet of the present invention；
Fig. 3 is the system block diagram of the present invention；
In figure：
1- controllers, 2- furnace pressures sensor, 3- flowmeters, 4- ratio control devices.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, the first embodiment of the inventive method is：
S1, sets standard furnace pressure value, and standard furnace pressure value is set by the man-machine interactive system being arranged on computer or controller 1
Put, man-machine interactive system carries out the transmission of standard furnace pressure value with BDW forms；
S2, current furnace pressure value in furnace for brightness is read by the furnace pressure sensor 2 being arranged in furnace for brightness；
S3, standard furnace pressure value is compared with current furnace pressure value；
The given of hydrogen flowing quantity is adjusted S4, passing ratio adjusting means 4, and the specific method of regulation is high for current furnace pressure value
When the 110% of standard furnace pressure value, ratio control device 4 increases ratio valve opening to lift the given of hydrogen flowing quantity；
When current furnace pressure value is the 95% ~ 110% of standard furnace pressure value, ratio control device 4 reduces ratio valve opening gradually to stablize
Hydrogen flowing quantity it is given.
As shown in Fig. 2 second of embodiment of the inventive method is：
S1, sets standard furnace pressure value, predetermined amount of flow value, and standard furnace pressure value passes through the man-machine friendship that is arranged on computer or controller 1
Mutual system is configured, and man-machine interactive system carries out the transmission of standard furnace pressure value with BDW forms；
S2, current furnace pressure value in furnace for brightness is read by the furnace pressure sensor 2 being arranged in furnace for brightness；
S3, standard furnace pressure value is compared with current furnace pressure value；
The given of hydrogen flowing quantity is adjusted S4, passing ratio adjusting means 4, and the specific method of regulation is high for current furnace pressure value
When the 110% of standard furnace pressure value, ratio control device 4 increases ratio valve opening to lift the given of hydrogen flowing quantity；
When current furnace pressure value is the 95% ~ 110% of standard furnace pressure value, YE reduces ratio valve opening with gradually steady hydrogen
Flow it is given.
S5, judges whether the given of present hydrogen flow reaches predetermined amount of flow value, and S2 ~ S4 is circulated when being not up to until current
The given of hydrogen flowing quantity reaches predetermined amount of flow value.
As shown in figure 3, present system embodiment includes controller 1, furnace pressure sensor 2, flowmeter 3, proportion adjustment dress
4 are put, furnace pressure sensor 2 is both connected to the input of controller 1 with flowmeter 3, ratio control device 4 is connected to controller 1
Output end, controller 1 is PLC, and furnace pressure sensor 2 selects UNICON-P type differential pressure pickups, and ratio control device 4 is IC20-
15W3TR10 types YE and supporting feedback element, wherein supporting feedback element, which is mainly shaft coupling, drives slip variable resistance
Device, is fed back by changing resistance；Furnace pressure sensor 2 is arranged in furnace for brightness, for feeding back the current furnace pressure value in furnace for brightness,
Furnace pressure sensor 2 is fed back with analog signaling to controller 1, and value of feedback scope is 4 ~ 20mA, wherein 4mA correspondences
0mbar, 20mA correspondence 2000mbar；Flowmeter 3 is arranged on the supply air line of hydrogen, the current hydrogen flowing quantity for reading
Value；Ratio control device 4 is arranged on the supply air line of hydrogen, and for adjusting, current hydrogen flowing quantity is given.
The system includes the man-machine interactive system being arranged on computer or controller 1, man-machine interactive system and controller 1
Connection, for setting the parameters such as standard furnace pressure value, predetermined amount of flow value.The system also includes two-stage alarm, alarm and control
Device 1 is connected, and alarm is communicated in Boolean variable form with controller 1, requires that furnace pressure sensor 2 is used according to control
UNICON-P type differential pressure pickups, the transducer range is 0-2000mbar, possesses 2 grades of warning outputs and analog signalses output
It is the setting requirements for having met two-stage alarm etc. function, 1 grade and 2 grades of alarm points can be set according to field condition,
And send PLC in the form of Boolean variable.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (8)
1. a kind of method of perhydro protection gas roller bottom stove hydrogen flowing quantity control, it is characterised in that including step in detail below：
S1, sets standard furnace pressure value；
S2, passes through the furnace pressure sensor being arranged in furnace for brightness（2）Read current furnace pressure value in the furnace for brightness；
S3, the standard furnace pressure value is compared with current furnace pressure value；
S4, passing ratio adjusting means（4）The given of hydrogen flowing quantity is adjusted.
2. a kind of method of perhydro protection gas roller bottom stove hydrogen flowing quantity control according to claim 1, it is characterised in that：Institute
State in S4, when the preceding furnace pressure value is higher than the 110% of the standard furnace pressure value, the ratio control device（4）Lift hydrogen stream
That measures is given；
When the preceding furnace pressure value is the 95% ~ 110% of the standard furnace pressure value, the YE gradually steady hydrogen flow
It is given.
3. a kind of method of perhydro protection gas roller bottom stove hydrogen flowing quantity control according to claim 1, it is characterised in that：Institute
The standard furnace pressure value stated is configured by man-machine interactive system, and man-machine interactive system carries out the standard furnace pressure with BDW forms
The transmission of value.
4. a kind of method of perhydro protection gas roller bottom stove hydrogen flowing quantity control according to claim 1, it is characterised in that：S1
In also include predetermined amount of flow value is set, judge whether the given of present hydrogen flow reaches predetermined amount of flow after S4 terminates
Value, circulates S2 ~ S4 until the given of hydrogen flowing quantity reaches the predetermined amount of flow value when being not up to.
5. a kind of perhydro protection gas roller bottom stove hydrogen flowing quantity control system, it is characterised in that：Including controller（1）, furnace pressure sensing
Device（2）, flowmeter（3）, ratio control device（4）, described furnace pressure sensor（2）With the flowmeter（3）It is both connected to institute
State controller（1）Input, described ratio control device（4）It is connected to the controller（1）Output end；
Described furnace pressure sensor（2）It is arranged in furnace for brightness, for feeding back the current furnace pressure value in furnace for brightness；
Described flowmeter（3）It is arranged on the supply air line of hydrogen, the hydrogen stream value current for reading；
Described ratio control device（4）It is arranged on the supply air line of hydrogen, for adjusting, current hydrogen flowing quantity is given.
6. a kind of perhydro protection gas roller bottom stove hydrogen flowing quantity control system according to claim 5, it is characterised in that：Also wrap
Include man-machine interactive system, the man-machine interactive system and the controller（1）Connection, for setting standard furnace pressure value.
7. a kind of perhydro protection gas roller bottom stove hydrogen flowing quantity control system according to claim 5, it is characterised in that：Also wrap
Include two-stage alarm, described alarm and the controller（1）Connection, the alarm is with Boolean variable form and the control
Device processed（1）Communicated.
8. a kind of perhydro protection gas roller bottom stove hydrogen flowing quantity control system according to claim 5, it is characterised in that：It is described
Furnace pressure sensor（2）With analog signaling to the controller（1）Fed back, value of feedback scope is 4 ~ 20mA, wherein 4mA
Correspondence 0mbar, 20mA correspondence 2000mbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710341259.6A CN107099651A (en) | 2017-05-16 | 2017-05-16 | A kind of method and system of perhydro protection gas roller bottom stove hydrogen flowing quantity control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710341259.6A CN107099651A (en) | 2017-05-16 | 2017-05-16 | A kind of method and system of perhydro protection gas roller bottom stove hydrogen flowing quantity control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107099651A true CN107099651A (en) | 2017-08-29 |
Family
ID=59669500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710341259.6A Pending CN107099651A (en) | 2017-05-16 | 2017-05-16 | A kind of method and system of perhydro protection gas roller bottom stove hydrogen flowing quantity control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107099651A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110669912A (en) * | 2019-10-18 | 2020-01-10 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Operation method of nitrogen interlocking control system of hot galvanizing vertical annealing furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922993A (en) * | 2009-06-15 | 2010-12-22 | 宝山钢铁股份有限公司 | On-line real-time monitoring hearth sealability early-warning device and early-warning method |
| EP2336372A2 (en) * | 2009-12-16 | 2011-06-22 | Ipsen International GmbH | Method and device for regulating process gases for the thermoforming of metallic materials/workpieces in industrial ovens |
| CN102534138A (en) * | 2011-12-31 | 2012-07-04 | 海盐华辰工业炉有限公司 | Oxygen potential control system of spheroidizing annealing furnace |
| CN104911327A (en) * | 2014-03-14 | 2015-09-16 | 湖北威斯康机械制造有限公司 | Automatic furnace-pressure control system for forging heating furnace |
| CN105132666A (en) * | 2014-05-30 | 2015-12-09 | 宝山钢铁股份有限公司 | Pickling-free continuous annealing furnace reducing gas recycle use system and use method thereof |
-
2017
- 2017-05-16 CN CN201710341259.6A patent/CN107099651A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922993A (en) * | 2009-06-15 | 2010-12-22 | 宝山钢铁股份有限公司 | On-line real-time monitoring hearth sealability early-warning device and early-warning method |
| EP2336372A2 (en) * | 2009-12-16 | 2011-06-22 | Ipsen International GmbH | Method and device for regulating process gases for the thermoforming of metallic materials/workpieces in industrial ovens |
| CN102534138A (en) * | 2011-12-31 | 2012-07-04 | 海盐华辰工业炉有限公司 | Oxygen potential control system of spheroidizing annealing furnace |
| CN104911327A (en) * | 2014-03-14 | 2015-09-16 | 湖北威斯康机械制造有限公司 | Automatic furnace-pressure control system for forging heating furnace |
| CN105132666A (en) * | 2014-05-30 | 2015-12-09 | 宝山钢铁股份有限公司 | Pickling-free continuous annealing furnace reducing gas recycle use system and use method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110669912A (en) * | 2019-10-18 | 2020-01-10 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Operation method of nitrogen interlocking control system of hot galvanizing vertical annealing furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205309503U (en) | Reflow furnace's nitrogen gas supply system | |
| CN202494351U (en) | Detection and regulation system of ore-smelting electric furnace furnace-chamber pressure | |
| CN108755840A (en) | A kind of equal balance system of industrial flow and its matching process | |
| CN107091577A (en) | A kind of online linear scale control combustion system and its control method | |
| CN206958963U (en) | A kind of kiln burning control system | |
| CN107099651A (en) | A kind of method and system of perhydro protection gas roller bottom stove hydrogen flowing quantity control | |
| CN104296548A (en) | Temperature cascade control system of casting holding furnace and control method of temperature cascade control system | |
| CN107557528A (en) | A kind of molten steel temperature regulation and control method and its device | |
| EP3121153B1 (en) | Method for controlling temperature in a forehearth | |
| CN204227930U (en) | The temperature cascade control system of founding holding furnace | |
| CN108443710B (en) | Natural gas pressure-regulating heating system and pressure-regulating heating method | |
| CN203346252U (en) | Constant temperature control system of natural gas pipeline in glass kiln | |
| CN102409155A (en) | Heat treatment furnace temperature fuzzy control system | |
| CN208044429U (en) | Low-power pipeline heating temperature regulating device | |
| CN205119124U (en) | Compensating system of burning control system and combustion control | |
| CN107641672A (en) | A kind of blast furnace gas oven pipeline | |
| CN205939719U (en) | Constant voltage temperature regulation system | |
| CN106287804A (en) | Combustion control system | |
| CN220283895U (en) | Kiln combustion control system and kiln | |
| CN105695648B (en) | A kind of control method for pressure balance of bf coal injection system | |
| CN107807688A (en) | Steel pipe application temperature Fuzzy control system | |
| CN103275747B (en) | Fuel-gas load distribution method of cracking furnace of ethylene device | |
| CN115094178B (en) | Hot blast stove pressurizing mechanism, collaborative furnace changing system and pressure stabilizing furnace changing method | |
| CN109298726B (en) | Method and system for heating EDC cracking furnace | |
| AU2014200715B2 (en) | Method for controlling temperature in a forehearth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170829 |
|
| RJ01 | Rejection of invention patent application after publication |