CN207632836U - Refining furnace argon gas soft blow automatic monitored control system - Google Patents

Abstract

The utility model discloses a kind of refining furnace argon gas soft blow automatic monitored control systems, belong to a kind of refining furnace auxiliary system, it include the admission line for being connected to refining furnace ladle, flowmeter and Digital Pressure Transducer are installed on the admission line, the flowmeter accesses programmable logic controller (PLC), and multiple mechanical valves are also equipped on the admission line between the flowmeter and Digital Pressure Transducer.By installing flowmeter and Digital Pressure Transducer on admission line, argon stream amount in admission line and gas pressure are acquired by flowmeter and Digital Pressure Transducer and are transmitted to programmable logic controller (PLC), so as to record the throughput and gas pressure during argon gas soft blow by programmable logic controller (PLC), it is recorded with gas flow thus to obtain the argon gas soft blow time record in refining furnace operation process, convenient for inquiring at any time, it avoids occurring false record in refining furnace operation process, and then avoids influencing product quality because falseness records.

Description

Refining furnace argon gas soft blow automatic monitored control system

Technical field

The utility model is related to a kind of refining furnace auxiliary systems, more specifically, the utility model relates generally to a kind of essence Furnace argon gas soft blow automatic monitored control system.

Background technology

Currently, steel mill refining furnace argon gas soft blow control system mainly installs a mechanical ball valve switch and machine on vavle shelf Tool pressure gauge is operated with manual switches ball valve and opens gas pipeline, and gas pressure can only probably read pressure by mechanical pressure gauge The flow of data, gas can not only have the soft blow time with operative employee's experience according to the size of ladle molten steel rolling come estimated flow Record is also recorded without gas usage, while also without that can be looked into online per stove creation data, and the record of production is all artificial hand-written note Record.Exist in production smelting process and record phenomenon of playing tricks, since soft blow catch time leads to the degree of purity for influencing molten steel, works as product By will appear quality problems when cold rolling, thus it is necessary to be studied for the monitoring system of existing refining furnace argon gas soft blow And improvement.

Utility model content

One of the purpose of this utility model is against the above deficiency, to provide a kind of refining furnace argon gas soft blow and monitor automatically and be System cannot form soft blow time record it is expected that the monitoring system structure for solving refining furnace argon gas soft blow in the prior art is single And gas usage record, the technical problems such as the false phenomenon of record can not be avoided the occurrence of in refining furnace smelting process.

In order to solve the above technical problems, the utility model uses following technical scheme：

A kind of refining furnace argon gas soft blow automatic monitored control system provided by the utility model, including be used for and refining furnace ladle The admission line of connection is equipped with flowmeter and Digital Pressure Transducer on the admission line, and the flowmeter accesses can Programmed logic controller is also equipped with multiple mechanical valves on the admission line between the flowmeter and Digital Pressure Transducer, Throughput for acquiring admission line in real time by flowmeter is acquired gas in admission line by Digital Pressure Transducer in real time Pressure, and be transmitted separately in programmable logic controller (PLC), current throughput and gas are recorded by programmable logic controller (PLC) Pressure.

Preferably, further technical solution is：Admission line between the flowmeter and Digital Pressure Transducer On mechanical valve include mechanical ball valve and mechanical dish valve, the machinery ball valve is placed in the front end of mechanical dish valve, and the mechanical ball The admission line of valve front end is connected with bypass line, and the bypass line is also connected with the admission line of mechanical dish valve rear end It is logical, mechanical dish valve is also installed in the bypass line.

Further technical solution is：Also pacify on admission line between the machinery dish valve and Digital Pressure Transducer Equipped with pressure gauge.

Further technical solution is：The admission line has two, is mounted on two admission lines respectively Flowmeter, mechanical ball valve, mechanical dish valve and Digital Pressure Transducer, and the outlet side of two admission lines is incorporated to same pipeline It is connected afterwards with refining furnace ladle.

Further technical solution is：The programmable logic controller (PLC) also by network access server work station, For by programmable logic controller (PLC) by received throughput and the pressure real-time Transmission of gas to server workstations.

Compared with prior art, one of the beneficial effects of the utility model are：By installing flowmeter on admission line With Digital Pressure Transducer, argon stream amount and gas pressure in admission line are acquired by flowmeter and Digital Pressure Transducer Power is simultaneously transmitted to programmable logic controller (PLC), so as to record the air-flow during argon gas soft blow by programmable logic controller (PLC) Amount and gas pressure, thus to obtain in refining furnace operation process the argon gas soft blow time record with gas flow record, convenient for When inquire, avoid occurring false record in refining furnace operation process, and then avoid influencing product quality because falseness records；Simultaneously originally A kind of refining furnace argon gas soft blow automatic monitored control system that utility model is provided is simple in structure, can be directly in the refining of each class formation It is installed and used on stove admission line, easy for installation, application range is wide.

Description of the drawings

Fig. 1 is the structural schematic diagram for illustrating the utility model one embodiment；

In figure, 1 it is refining furnace ladle, 2 is admission line, 3 is flowmeter, 4 is Digital Pressure Transducer, 5 is programmable Logic controller, 6 be mechanical ball valve, 7 be mechanical dish valve, 8 be bypass line, 9 be pressure gauge, 10 be server workstations.

Specific implementation mode

The utility model is further elaborated below in conjunction with the accompanying drawings.

Refering to what is shown in Fig. 1, one embodiment of the utility model is a kind of refining furnace argon gas soft blow automatic monitored control system, it should System can be mounted on the admission line 2 of refining furnace ladle 1 and use, and specially include admission line 2, pacify on the admission line 2 Equipped with flowmeter 3 and Digital Pressure Transducer 4, aforementioned flow meter 3 accesses programmable logic controller (PLC) 5, above-mentioned programmable Logic controller, that is, PLC；In addition, also needing to install on admission line 2 between flowmeter 3 and Digital Pressure Transducer 4 multiple Mechanical valve, the mounting means of the mechanical valve and the vavle shelf structure of refining furnace ladle in the prior art are essentially identical, for by flowing Gauge 3 acquires the throughput of admission line 2 in real time, by the pressure of gas in Digital Pressure Transducer 4 in real time acquisition admission line 2 Power, and be transmitted separately in programmable logic controller (PLC) 5, current throughput and gas are recorded by programmable logic controller (PLC) 5 Pressure.

In the present embodiment, by installing flowmeter 3 and Digital Pressure Transducer 5 on admission line 2, pass through flowmeter 3 acquire argon stream amount and the gas pressure in admission line 2 with Digital Pressure Transducer 5 and are transmitted to Programmable logical controller Device 5, so as to record throughput and gas pressure during argon gas soft blow by programmable logic controller (PLC) 5, thus to obtain Argon gas soft blow time record in refining furnace operation process is recorded with gas flow, convenient for inquiring at any time, avoids refining furnace operation Occur false record in the process, and then avoids influencing product quality because falseness records；And the system in the present embodiment can be direct It is installed and used on the refining furnace admission line of each class formation, application range is wide.

Further, as mentioned here above and shown in figure 1, which can be the machinery of all kinds of structures Valve, such as in the present embodiment, using the combination of mechanical ball valve 6 and mechanical dish valve 7, specially flowmeter 3 becomes with digital pressure It is mechanical ball valve 6 and mechanical dish valve 7 to send the mechanical valve on the admission line 2 between device 4, wherein mechanical ball valve 6 should be placed in machinery The front end of dish valve 7, it is even more important that the admission line 2 of 6 front end of machinery ball valve above-mentioned is connected with bypass line 8, and props up Road pipeline 8 is also connected with the admission line 2 of mechanical 7 rear end of dish valve, and mechanical dish valve 7 is also equipped in the bypass line 8；Separately On the one hand, also can pressure gauge 9 be also equipped on the admission line 2 between mechanical dish valve 7 and Digital Pressure Transducer 4 again, with It will pass through the argon pressure in 9 real time inspection admission line 2 of pressure gauge.

Shown in Fig. 1, in the utility model in solving the more preferred one embodiment of technical problem, being Raising inlet channel, and ensure the uniformity of air inlet, admission line 2 can also be had to two, pacified on two admission lines 2 Fill respective flowmeter 3, mechanical ball valve 6, mechanical dish valve 7 and Digital Pressure Transducer 4, and the outlet side of two admission lines 2 It is connected with refining furnace ladle 1 after being incorporated to same pipeline.Two are acquired respectively by two flowmeters 3 and Digital Pressure Transducer 4 The pressure transmission of throughput and gas in root admission line 2 can also promote throughput and gas to programmable logic controller (PLC) Pressure monitoring accuracy.

Further, throughput above-mentioned and the pressure of gas are remotely obtained to realize, it can be again by programmable logic above-mentioned Controller 5 also passes through network access server work station 10, it is however generally that, network above-mentioned is Ethernet or internet, is used for By programmable logic controller (PLC) 5 by received throughput and the pressure real-time Transmission of gas to server workstations 10. Server workstations 10 by the data summarizations such as throughput above-mentioned and the pressure of gas and can generate report, to facilitate the later stage to transfer With check.

Refering to what is shown in Fig. 1, the above-mentioned preferred one embodiment of the utility model is in actual use, in original refining furnace It installs the monitoring such as flowmeter and Digital Pressure Transducer sensor, ball valve on ladle gas vavle shelf additional and passes through conducting wire and Siemens S7-300 PLC are connected, and are then connected by Ethernet and the communication of host computer server, and industry control is realized by controlling program It is tired that refining furnace argon gas soft blow gas flow, the online trend curve data tracking of pressure and gas flow is monitored online in machine configuration Meter；Also it can realize that the data such as smelting argon blowing time, temperature catch to take and automatically generate report printing output, reach data intelligent control And the function that storage of history data P can be looked into.

The use of refining furnace argon gas soft blow automatic control system reduces manual hand manipulation, controls process automation control System and whole data monitoring, realize for production and are precisely controlled, and argon gas dosage 15-20% is saved on the basis of original per stove saving Production cost；The refining furnace stirring calm time shortens 5-10min per stove, shortens the duration of heat；Improve product quality stabilization Property, product practice report is provided, production tracing is favorably counted；Improve production efficiency.

Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description Apply example.Furthermore, it is understood that when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is knot Other embodiment is closed to realize that this feature, structure or feature are also fallen in the scope of the utility model.

Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still, It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims In range, a variety of variations and modifications can be carried out to the building block and/or layout of theme combination layout.In addition to building block And/or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also will be apparent.

Claims (5)

1. a kind of refining furnace argon gas soft blow automatic monitored control system, including be used for and refining furnace ladle（1）The admission line of connection （2）, it is characterised in that：The admission line（2）On flowmeter is installed（3）With Digital Pressure Transducer（4）, the flowmeter （3）Access programmable logic controller (PLC)（5）, the flowmeter（3）With Digital Pressure Transducer（4）Between admission line （2）On be also equipped with multiple mechanical valves, for by flowmeter（3）Acquisition admission line in real time（2）Throughput, by digital pressure Transmitter（4）Acquisition admission line in real time（2）The pressure of middle gas, and it is transmitted separately to programmable logic controller (PLC)（5）In, by Programmable logic controller (PLC)（5）Record current throughput and the pressure of gas.

2. refining furnace argon gas soft blow automatic monitored control system according to claim 1, it is characterised in that：The flowmeter（3） With Digital Pressure Transducer（4）Between admission line（2）On mechanical valve include mechanical ball valve（6）With mechanical dish valve（7）, institute State mechanical ball valve（6）It is placed in mechanical dish valve（7）Front end, and the mechanical ball valve（6）The admission line of front end（2）With bypass duct Road（8）It is connected, and the bypass line（8）Also with mechanical dish valve（7）The admission line of rear end（2）It is connected, the branch Pipeline（8）On mechanical dish valve is also installed（7）.

3. refining furnace argon gas soft blow automatic monitored control system according to claim 2, it is characterised in that：The machinery dish valve （7）With Digital Pressure Transducer（4）Between admission line（2）On be also equipped with pressure gauge（9）.

4. refining furnace argon gas soft blow automatic monitored control system according to claim 1 or 3, it is characterised in that：The air inlet pipe Road（2）With two, two admission lines（2）On be mounted on respective flowmeter（3）, mechanical ball valve（6）, mechanical dish valve （7）With Digital Pressure Transducer（4）, and two admission lines（2）Outlet side be incorporated to after same pipeline and refining furnace ladle（1） It is connected.

5. refining furnace argon gas soft blow automatic monitored control system according to claim 1, it is characterised in that：The programmable logic Controller（5）Also pass through network access server work station（10）, for by programmable logic controller (PLC)（5）It will be received Throughput and the pressure real-time Transmission of gas are to server workstations（10）.