CN203323163U - Fuel gas flame flameout controller of ladle baker - Google Patents
Fuel gas flame flameout controller of ladle baker Download PDFInfo
- Publication number
- CN203323163U CN203323163U CN2013203276866U CN201320327686U CN203323163U CN 203323163 U CN203323163 U CN 203323163U CN 2013203276866 U CN2013203276866 U CN 2013203276866U CN 201320327686 U CN201320327686 U CN 201320327686U CN 203323163 U CN203323163 U CN 203323163U
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- flame
- controller
- ladle
- signal
- fuel gas
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Abstract
The utility model relates to a flame flameout controller and particularly relates to a fuel gas flame flameout controller of a ladle baker, which is used for rapidly cutting off the supply of coal gas when fuel gas flame of a steel-mill ladle baker is accidentally flamed out. The fuel gas flame flameout controller comprises a controller main machine and a flame sensor, wherein the controller main machine is internally provided with a control module, a time relay and a middle relay; the flame sensor is an ultraviolet light sensor; the control module is provided with a signal inputting circuit for receiving a resistance changing signal output by the flame sensor and converting the resistance changing signal to a voltage signal, and a signal outputting circuit for outputting an opening or closing switching value to a triggering end of the time relay; a triggering signal output end of the time relay is connected with the middle relay; a control end, which is used for outputting opening and closing control movement signals, of the middle relay is connected with a rapid stop valve on a coal gas supplying pipeline. According to the fuel gas flame flameout controller of the ladle baker, the blank of a flame flameout control field of the ladle baker is filled; the fuel gas flame flameout controller of the ladle baker is stable to work and reliable to control and is applicable to various conditions of the ladle baker.
Description
Technical field
The utility model relates to the flameout controller, especially a kind of Ladle-casting apparatus gas flame extinguishing controller of fast shut-off gas supply when steel mill's Ladle-casting apparatus gas flame accident is extinguished.
Background technology
In steelmaking process, standby ladle need scorch to more than 1200 degree with blast furnace gas flame, scorches the possibility that the heavy caliber gas flame of ladle has accident to extinguish, and causes thus coal gas to leak, and causes poisoning, explosion danger.There is no at present by surveying the device that cuts off gas supply that extinguishes of flame.
The utility model content
The utility model is intended to solve the described problem of background technology, and provides a kind of by the having or not of ultraviolet detection flame, and adapts to different operating modes, realizes the fast shut-off gas supply, the convenient gas flame misfire detection controller of igniting again.
The technical scheme that the utility model solves its technical problem employing is:
A kind of Ladle-casting apparatus gas flame extinguishing controller, comprise the controller main frame, flame sensor, described controller main frame is built-in with control module, the time relay and auxiliary reclay, described flame sensor is the ultraviolet photosensitive elements, described control module is provided with: receive the change in resistance signal of described flame sensor output and convert thereof into the signal input circuit of voltage signal, the signal output apparatus of two switching values to time relay trigger end opened or closed in output, the control signal output of the described time relay connects the auxiliary reclay coil-end, the control end of two control action signals of described auxiliary reclay output open and close connects the repid cut-off valve on the gas supply pipeline.
Further, the input circuit of described control module is bridge circuit, signal output apparatus is internal relay, the output of described bridge circuit is connected to the differential input end of operational amplifier, the output of described operational amplifier is connected to the analog switch chip with driving force, and described analog switch chip drives internal relay.
Further, described flame sensor is placed in the air-cooled protective cover of steel tubular structure and is mutually coaxial, described air-cooled protective cover connects with the airduct that is connected cooling wind regime by the wind-guiding metal hose, and sensor signal lines is introduced in the controller mainframe box via described wind-guiding metal hose.
Further, on described controller mainframe box, power supply indicator is housed, fiery indicator lamp is arranged, without fiery indicator lamp, drive indicator lamp, force switch and audible-visual annunciator by force.
Adopt the utility model of technique scheme, filled up the blank of the flame-out control field of Ladle-casting apparatus gas flame, its working stability, control reliably, adapt to the various operating modes of Ladle-casting apparatus, meet the requirement of roasting job contract skill fully, more than at least 5 years, have the wide market space service life.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model controller mainframe box inner structure schematic diagram.
Fig. 3 is the utility model electric control theory block diagram.
In figure: air-cooled protective cover 1, flame sensor 2, wind-guiding metal hose 3, sensor signal lines 4, controller mainframe box 5, airduct 6, power supply line inlet port 7, sensor line inlet port 8, control line line outlet 9, force switch 10, power supply indicator 11, fiery indicator lamp 12 is arranged, without fiery indicator lamp 13, open by force indicator lamp 14, audible-visual annunciator 15, control module 16, the time relay 17, auxiliary reclay 18, air switch 19, line bank 20.
The specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail, and purpose only is to understand better the utility model content.
Referring to Fig. 1, the Ladle-casting apparatus gas flame extinguishing controller that the present embodiment provides, its flame sensor 2 is placed in air-cooled protective cover 1, air-cooled protective cover 1 is 60 millimeters of diameters, the metal tube of long 120 millimeters, three of flame sensor 2 use respectively become φ 6 screws at 120 degree angles to be fixed in air-cooled protective cover 1, air-cooled protective cover 1 rear portion is connected with a φ 25 wind-guiding metal hose 3 one ends by reduction nipple, wind-guiding metal hose 3 other ends are connected with cooling wind regime by airduct 6, sensor signal lines 4 is passed in wind-guiding metal hose 5, lowered the temperature and protected, wind-guiding metal hose 5 is derived the high pressure draught of original equipment airduct 6, deliver to air-cooled protective cover 1, make air-flow skim over flame sensor 2 and take away Ladle-casting apparatus flame radiation heat, have the effect of dust purging concurrently simultaneously.
Referring to Fig. 1, Fig. 2, force switch 10, power supply indicator 11 are housed on controller mainframe box 5, fiery indicator lamp 12 are arranged, without fiery indicator lamp 13, drive indicator lamp 14, audible-visual annunciator 15 by force, controller mainframe box 5 is built-in with control module 16, the time relay 17, auxiliary reclay 18, air switch 19 and line bank 20, power line, sensor signal lines 4 and control line all are connected inside and outside realizing through line bank 20 and power supply line inlet port 7, sensor line inlet port 8, control line line outlet 9, power line provides operating voltage by air switch 19, and power supply indicator 11 is lighted.
Referring to Fig. 3, the input circuit of control module 16 is bridge circuits, signal output apparatus is internal relay, the output of bridge circuit is connected to the differential input end of operational amplifier, the output of operational amplifier is connected to has the analog switch chip module that drives function, the output link block internal relay of analog switch chip.
Flame sensor 2 adopts the ultraviolet photosensitive elements, according to the flame ultraviolet radiation have or without present the height resistive, the variation of this resistance changes corresponding voltage into by the electric bridge of control module 16, when flame sensor 2 detects ultraviolet that flame sends, control module 16 no-outputs, have fiery indicator lamp 13 to light, when fray-out of flame during without ultraviolet ray, control module 16 is controlled and is lighted without fiery indicator lamp 12, export triggering signal to the time relay 17 trigger ends simultaneously, in setting-up time, if the trigger end signal is interrupted reclocking, continuously during uninterrupted until setting-up time, the time relay 17 adhesives, the output control signal starts auxiliary reclay 18, auxiliary reclay 18 starts audible-visual annunciator 15, export connected sum simultaneously and disconnect two kinds of switching values, be communicated with or disconnect former Ladle-casting apparatus switch board stop button through control line, and then original repid cut-off valve is closed in realization, the purpose of gas supply is closed in realization.
Open force switch 10, open by force indicator lamp 14 and light, shield the control function of this controller, guarantee gas supply, ignition process is carried out smoothly, close audible-visual annunciator 15 simultaneously.The flame normal combustion is closed force switch 10 later, and this controller enters normal monitoring and control.
Claims (4)
1. a Ladle-casting apparatus gas flame extinguishing controller, comprise the controller main frame, flame sensor, it is characterized in that, described controller main frame is built-in with control module, the time relay and auxiliary reclay, described flame sensor is the ultraviolet photosensitive elements, described control module is provided with: receive the change in resistance signal of described flame sensor output and convert thereof into the signal input circuit of voltage signal, the signal output apparatus of two switching values to time relay trigger end opened or closed in output, the control signal output of the described time relay connects the auxiliary reclay coil-end, the control end of two control action signals of described auxiliary reclay output open and close connects the repid cut-off valve on the gas supply pipeline.
2. Ladle-casting apparatus gas flame extinguishing controller according to claim 1, it is characterized in that, the input circuit of described control module is bridge circuit, signal output apparatus is internal relay, the output of described bridge circuit is connected to the differential input end of operational amplifier, the output of described operational amplifier is connected to the analog switch chip with driving force, and described analog switch chip drives internal relay.
3. Ladle-casting apparatus gas flame extinguishing controller according to claim 1, it is characterized in that, described flame sensor is placed in the air-cooled protective cover of steel tubular structure and is mutually coaxial, described air-cooled protective cover connects with the airduct that is connected cooling wind regime by the wind-guiding metal hose, and sensor signal lines is introduced in the controller mainframe box via described wind-guiding metal hose.
4. Ladle-casting apparatus gas flame extinguishing controller according to claim 1, is characterized in that, on described controller mainframe box, power supply indicator is housed, fiery indicator lamp is arranged, without fiery indicator lamp, drive indicator lamp, force switch and audible-visual annunciator by force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203276866U CN203323163U (en) | 2013-06-06 | 2013-06-06 | Fuel gas flame flameout controller of ladle baker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203276866U CN203323163U (en) | 2013-06-06 | 2013-06-06 | Fuel gas flame flameout controller of ladle baker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203323163U true CN203323163U (en) | 2013-12-04 |
Family
ID=49662510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203276866U Expired - Fee Related CN203323163U (en) | 2013-06-06 | 2013-06-06 | Fuel gas flame flameout controller of ladle baker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203323163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256621A (en) * | 2013-06-06 | 2013-08-21 | 王民 | Gas flame extinction controller of ladle baking device |
-
2013
- 2013-06-06 CN CN2013203276866U patent/CN203323163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256621A (en) * | 2013-06-06 | 2013-08-21 | 王民 | Gas flame extinction controller of ladle baking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160606 |