CN207952572U - Hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System - Google Patents
Hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System Download PDFInfo
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- CN207952572U CN207952572U CN201820122431.9U CN201820122431U CN207952572U CN 207952572 U CN207952572 U CN 207952572U CN 201820122431 U CN201820122431 U CN 201820122431U CN 207952572 U CN207952572 U CN 207952572U
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Abstract
The utility model is related to a kind of hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning Systems, are made of descaling machine ontology P/E sensors, oxygen valve station outlet P/E sensors, gas valve station outlet P/E sensors, oxygen emergency stop valve, gas emergency cut-off valve, early warning system PLC, early warning system HMI.The pressure value that oxygen/gas valve station outlet P/E sensors detect is compared with the pressure that descaling machine ontology P/E sensors detect；R601, R603 calculate outlet pressure according to valve characteristic and are compared in descaling machine ontology P/E sensors；Pressure differential range is greater than the set value monitored picture prompt alarm or directly closes quick action emergency valve.
Description
Technical field
The utility model is related to a kind of hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning Systems.
Background technology
Hot scarfing machine is that the combustion flame formed using oxygen, gas medium implements removing surface to strand, and medium is adopted
It is delivered to burner user's point with pipe-line system, since burner is kept in motion in scale removal process, device characteristics determine to need
It largely to be connect with hard tube using hose, being splashed by slag during scafing is influenced with water system, equipment work
Condition environment is extreme, unavoidably there is the security risk of medium gas leakage.Oxygen/gas leakage uses artificial judgment, detects manually
Mode, only can be just found in a large amount of gas leakage of pipeline, prejudge that there are certain difficulty in advance to pipe leakage.
Invention content
The purpose of this utility model realizes the detection of oxygen/gas leakage, and prompts alarm or straight according to leakage rate size
Connect closing oxygen/gas emergency cut-off valve.
The utility model proposes hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System, by descaling machine ontology
P/E sensors 1, oxygen valve station P/E sensors 2, gas valve station P/E sensors 3, oxygen emergency stop valve 4, gas emergency cut-off
Valve 5, early warning system PLC6 and early warning system HMI7 compositions, wherein：Oxygen emergency stop valve 4 is connected to oxygen valve by hard tube
It stands, gas emergency cut-off valve 5 is connected to gas valve station by hard tube, and oxygen/gas valve station is connected with descaling machine ontology by pipeline
It connects, descaling machine ontology P/E sensors 1, oxygen valve station P/E sensors 2 and gas valve station P/E sensors 3, oxygen emergency stop valve
4, the output end of gas emergency cut-off valve 5 and early warning system HMI7 are separately connected the input terminal of early warning system PLC6；Descaling machine sheet
The acquisition of body P/E sensors 1 actual use point oxygen/combustion gas real-time pressure, it is every that oxygen valve station P/E sensors 2 acquire the outlet of valve station
Root pipeline real-time pressure, gas valve station P/E sensors 3 acquire valve station and export every pipeline real-time pressure, oxygen emergency stop valve 4
Main line oxygen can be quickly cut off in an emergency situation, and gas emergency cut-off valve 5 can quickly cut off main line in an emergency situation
Combustion gas, early warning system HMI7 are set according to leak threshold, provide alarm indication；
In process of production, oxygen valve station P/E sensors 2, gas valve station P/E sensors 3 and descaling machine ontology P/E sensings
Collected real-time pressure is sent to early warning system PLC6, early warning system PLC6 and determines whether pipeline is let out by comparing by device 1
Leakage occurs, and executes relevant operation according to leakage class；When minor leakage alarm occurs, only carried in early warning system HMI7
Show, operating personnel are not involved in control；When medium leak alarm occurs, cleaning is prompted to start to start, and without operation, when clear
Occur medium leak alarm in reason, this cleaning can be kept to complete, and lower block slab cleaning cycle is prevented to start, until alarm solves
It removes；Oxygen emergency stop valve 4, gas emergency cut-off valve 5 is automatically closed in serious leak alarm.
The utility model is novel, simple in structure, can save the repair and maintenance time.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model：
Figure label：1 be descaling machine ontology P/E sensors, 2 be oxygen valve station P/E sensors, 3 be gas valve station P/E pass
Sensor, 4 be oxygen emergency stop valve, 5 be gas emergency cut-off valve, 6 be early warning system PLC, 7 be early warning system HMI.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1：As shown in Figure 1, this system is by descaling machine ontology P/E sensors 1, oxygen valve station P/E sensors 2, combustion
Air valve station P/E sensors 3, oxygen emergency stop valve 4, gas emergency cut-off valve 5, early warning system PLC6, early warning system HMI7 structures
At；Oxygen emergency stop valve 4 is connected to oxygen valve station by hard tube, and gas emergency cut-off valve 5 is connected to gas valve by hard tube
It stands, oxygen/gas valve station is connected using a large amount of hard tubes with hose with descaling machine ontology, and connector is more, long-play connector
Place is easy to loosen, and oxygen leakage easily causes equipment burnout accident after loosening.
Oxygen valve station P/E sensors 2, gas valve station P/E sensors 3 are with descaling machine ontology P/E sensors 1 in production process
Middle send collected real-time pressure to early warning system PLC6 is compared to determine whether pipeline has a leakage, and according to letting out
Leakage grade is automatically brought into operation to carry out lower step.
The course of work of the utility model is as follows：
Oxygen main line oxygen emergency stop valve 4 is opened, oxygen is sent to oxygen valve station；
Combustion gas main line gas emergency cut-off valve 5 is opened, combustion gas is sent to gas valve station；
Alarming value is set on early warning system HMI7, and early warning system alarm is divided into, minor leakage alarm, medium leak report
It is alert, serious leak alarm；
Oxygen/gas valve station valve is opened when descaling machine produces, and gas is sent to descaling machine ontology；
Oxygen valve station P/E sensors 2 carry out pressure comparison with descaling machine ontology P/E sensors 1 in production, if pressure
Difference reaches set alarm threshold value on early warning system HMI7, triggers corresponding alarm；
Early warning system PLC6 judges alarm level, on minor leakage alarm HMI prompt be not involved in control with it is chain；It is medium to let out
It fails to report alert as cleaning and starts entry condition, use not as service condition, when occurring medium leak alarm in cleaning, can keep
This cleaning is completed, and lower block slab cleaning cycle is prevented to start, until alarm release；Oxygen is automatically closed in serious leak alarm
Quick action emergency valve 4, gas emergency cut-off valve 5.
This system can automatic decision pipeline whether have leakage, and trigger relevant action, ensure production safety.
Claims (1)
1. hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System, by descaling machine ontology P/E sensors（1）, oxygen valve
It stands P/E sensors（2）, gas valve station P/E sensors（3）, oxygen emergency stop valve（4）, gas emergency cut-off valve（5）, early warning
System PLC（6）With early warning system HMI（7）Composition, it is characterised in that：Oxygen emergency stop valve（4）It is connected to oxygen by hard tube
Valve station, gas emergency cut-off valve（5）It is connected to gas valve station by hard tube, oxygen/gas valve station passes through pipe with descaling machine ontology
Road connects, descaling machine ontology P/E sensors（1）, oxygen valve station P/E sensors（2）With gas valve station P/E sensors（3）, oxygen
Quick action emergency valve（4）, gas emergency cut-off valve（5）With early warning system HMI（7）Output end be separately connected early warning system PLC（6）
Input terminal；Descaling machine ontology P/E sensors（1）Acquisition actual use point oxygen/combustion gas real-time pressure, oxygen valve station P/E are passed
Sensor（2）Acquisition valve station exports every pipeline real-time pressure, gas valve station P/E sensors（3）Acquisition valve station exports every pipeline
Real-time pressure, oxygen emergency stop valve（4）Main line oxygen, gas emergency cut-off valve can be quickly cut off in an emergency situation（5）
Main line combustion gas, early warning system HMI can be quickly cut off in an emergency situation（7）It is set according to leak threshold, alarm indication is provided；
In process of production, oxygen valve station P/E sensors（2）, gas valve station P/E sensors（3）It is sensed with descaling machine ontology P/E
Device（1）Collected real-time pressure is sent to early warning system PLC（6）, early warning system PLC（6）Determine that pipeline is by comparing
It is no to have leakage, and relevant operation is executed according to leakage class；When minor leakage alarm occurs, only in early warning system
HMI（7）Prompt, operating personnel are not involved in control；When medium leak alarm occurs, cleaning is only provided and starts to start, without
Operation uses, and when occurring medium leak alarm in cleaning, this cleaning can be kept to complete, and lower block slab cleaning cycle is prevented to open
Begin, until alarm release；Oxygen emergency stop valve (4), gas emergency cut-off valve (5) is automatically closed in serious leak alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820122431.9U CN207952572U (en) | 2018-01-25 | 2018-01-25 | Hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820122431.9U CN207952572U (en) | 2018-01-25 | 2018-01-25 | Hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207952572U true CN207952572U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820122431.9U Active CN207952572U (en) | 2018-01-25 | 2018-01-25 | Hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145111A (en) * | 2018-01-25 | 2018-06-12 | 上海东震冶金工程技术有限公司 | Hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System |
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2018
- 2018-01-25 CN CN201820122431.9U patent/CN207952572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145111A (en) * | 2018-01-25 | 2018-06-12 | 上海东震冶金工程技术有限公司 | Hot scarfing machine oxygen/fuel gas pipeline leakage Integrated Early Warning System |
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