CN105885955A - Safety interlocking control method of biomass gasification system - Google Patents
Safety interlocking control method of biomass gasification system Download PDFInfo
- Publication number
- CN105885955A CN105885955A CN201610470879.5A CN201610470879A CN105885955A CN 105885955 A CN105885955 A CN 105885955A CN 201610470879 A CN201610470879 A CN 201610470879A CN 105885955 A CN105885955 A CN 105885955A
- Authority
- CN
- China
- Prior art keywords
- signal
- gasification system
- control method
- interlocking
- biomass gasification
- 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.)
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
Abstract
The invention discloses a safety interlocking control method of a biomass gasification system. A safety interlocking system is provided, a signal source is acquired from process parameters of a production process, a signal is output after recognition and judgment by a programmable controller and a program controller in a collecting-distributing system, and then interlocking is executed by a relay and a cutoff valve. When failure of a control system or certain process devices leads to abnormality of process indexes and the abnormality may exceed a safe allowable range, the specific valve may be actuated immediately to adjust the production process, thereby avoiding accidents, ensuring normal production and enabling safety operation and intelligent control for the biomass gasification system.
Description
Technical field
The invention belongs to biomass energy technology application apparatus field, relate to a kind of safety interlocking control method, more particularly to one
Plant the safety interlocking control method for biomass gasification system.
Background technology
Biomass energy is a kind of important primary energy and regenerative resource.Biomass gasification technology is current biomass utilization
The popular direction of technical research.Biomass gasification technology is a kind of hot chemical treatment technology, i.e. by gasification system, solid-state is biological
Matter is converted to fuel gas that is easy to use and that clean, as fuel or production power.Its general principle is by biomass material
Heating, biomass material is dried after entering gasification furnace, along with the rising of temperature, distillation, and at high temperature cracking (heat
Solve).The core of biomass gasification technology is gasification reactor (gasification furnace), and living beings are exactly to react raw in gasification furnace with gasifying agent
Become gasification gas and other gasification product.At present, relevant biomass gasifying furnace design studies is the most ripe.But it is biomass fluid bed
Gasification furnace industrial applications is the most less.Wherein, biomass gasification system safety interlocking control research be restrict its commercial Application because of
One of element.
Summary of the invention
In order to solve the problems of the prior art, the present invention provides the safety interlocking control method of a kind of biomass gasification system, solves
Can not the problem of safe operation when certainly in prior art, biomass gasification system breaks down.
The technical scheme is that the interlocking control method signal source of the present invention is from the technological parameter in production.Transmitter will
The operational factor of gasification system is converted to standard electric signal and is transferred to the input and output fastener (FBM) of control system, and FBM will examine
The signal measured flows to controller (CP), and CP transfers signals to FBM, FBM again by signal after logical operation
Transfer out.When the signal of FBM output is within controlled safe range, signal is sent to on-the-spot relay, adjusting process
Parameter, makes equipment recover stable operation.When the signal of FBM output runaways, signal is sent to stop valve, implements
Signal alarm and interlocking action, cut off respective valves, thus avoid the generation of accident.
Interlocking input, by CP control, is exported existing after internal logic computing by described interlocking control method interlocking unit
?；Identify and realize the parts of interlocking action and be made up of the cyclelog in programmable controller, distributing system；Able to programme
After cyclelog in sequence controller, distributing system compares the output signal of all kinds of transmitters with setting value, judge,
Decide whether that producing interlocking signal exports again；After interlocking signal output, interlocking action implemented by relay or stop valve.
Biomass gasification system receives enabling signal, then whether there is the fault-signal that each equipment sends in detecting system, if
The most a certain equipment have issued fault-signal, represents that this equipment cannot be properly functioning, then system needs by display device prompting relevant
Staff carries out processing signal of fixing a breakdown；If each equipment of gasification system is all normal, then automatically start according to default order
Centrifuge, feeder, pyrolysis gasification furnace, gas fired-boiler.
After system starts, monitor the running state information of biomass gasification system in real time, when described running state information is in controlled
Safe range time, signal is sent to on-the-spot relay, adjusting process parameter, makes equipment recover stable operation；When described operation
When status information is consistent with alarm state information, automatically triggers fault interlock and stop the operation of biomass gasification system.
After described pyrolysis gasification furnace and gas fired-boiler complete to start, enter running status, described running state information include gasifying into
Material, gasification system bed temperature, gasification system bed pressure, furnace pressure information.
Normal value when described gasification charging, gasification system bed temperature, gasification system bed pressure, furnace pressure are provided with properly functioning and
Alarming value during dangerous operation.
Signal alarm, safety interlock system use have contact relay circuit or use non-contact type transistor circuit, DCS,
PLC constructs signal alarm, safety interlock system.The setting of signal alarm, interlocking point, action setting value and adjusting range palpus
Meet the requirement of production technology.Equipment is arranged on that vibrations are little, dust is few, corrosion-free gas, place without electromagnetic interference.Signal
Warning system is powered identical with general instrument power supply grade.
The invention has the beneficial effects as follows: the safety interlocking control method of a kind of biomass gasification system that the present invention provides, it is possible to
Gasification system or some process equipment carry out early warning action immediately when breaking down, be turned on and off respective valves, it is to avoid thing
Therefore generation, it is achieved the optimization of the safe operation of biomass gasification system, beneficially gasification system also opens up broader market,
Contribute to the exploitation of living beings regenerative resource.The method of the present invention is according to the order the pre-set startup to each equipment
Automatically control, avoid the maloperation that human intervention may cause, improve the security that equipment starts.
Accompanying drawing explanation
The flow chart of the safety interlocking control method of a kind of biomass gasification system that Fig. 1 provides for the present invention.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, the safety interlocking control method of the biomass gasification system of present invention offer, including following flow process:
Biomass gasification system receives enabling signal, then whether there is the fault-signal that each equipment sends in detecting system, if
The most a certain equipment have issued fault-signal, represents that this equipment cannot be properly functioning, then system needs by display device prompting relevant
Staff carries out processing signal of fixing a breakdown.If each equipment of gasification system is all normal, then automatically start according to default order
Centrifuge, feeder, pyrolysis gasification furnace, gas fired-boiler.After startup, monitor the running state information of biomass gasification system in real time
(gasification charging, gasification system bed temperature, gasification system bed pressure, furnace pressure), when described running state information is in controlled peace
During gamut, signal is sent to on-the-spot relay, adjusting process parameter, makes equipment recover stable operation；When described running status
When information is consistent with alarm state information, automatically triggers fault interlock and stop the operation of biomass gasification system.The side of the present invention
Method is actuated for automatically controlling according to the order pre-set equipment each to gasification system, avoids what human intervention may cause
Maloperation, significantly improves the security that biomass gasification system starts.
In embodiments of the present invention, it is to start successively according to centrifuge, feeder, pyrolysis gasification furnace, the order of gas fired-boiler.
Specifically, including starting centrifuge, the run signal of centrifuge is detected according to the Guan Bi of contacts of contactor or off-state, in inspection
After measuring the run signal of centrifuge, default centrifuge frequency signal is exported to centrifuge frequency converter so that centrifuge is being preset
Frequency under run, wherein those skilled in the art can need to pre-set specific centrifuge frequency according to concrete application.From
Scheming runs the predetermined time, after completing the mechanical dehydration of wet basis living beings, starts feeder, and regulates apparatus for feeding default
Running under speed, equally, those skilled in the art can need to arrange specific speed according to concrete application.After completing charging,
Start pyrolysis gasification furnace, gas fired-boiler successively, pyrolysis gasification furnace and combustion gas can be detected according to contacts of contactor Guan Bi or off-state
The run signal of boiler, after the run signal of pyrolysis gasification furnace and gas fired-boiler being detected, and then transmitter by pyrolysis gasification furnace and
The operational factor of gas fired-boiler is converted to standard electric signal.
In the present invention, control unit (PLC) includes FBM fastener and CP.Carrying out practically is as follows: standard electric signal transmits
To FBM fastener, the signal detected is flowed to CP, CP and transfers signals to FBM after logical operation by FBM fastener,
Signal is transferred out by FBM again.When the signal of FBM output is within controlled safe range, signal is sent to scene and continues
Electrical equipment, adjusting process parameter, make equipment recover stable operation.When the signal of FBM output runaways, signal is sent
To stop valve, implement signal alarm and interlocking action, cut off respective valves, thus avoid the generation of accident.
The method of the present invention also includes, by the process information in above-mentioned start-up course, such as centrifuge startup, centrifuge frequency,
The information such as feeder startup, charging rate pass through human-computer interaction interface centralized displaying, so that the understanding boiler startup that staff is comprehensive
Procedural information.
After pyrolysis gasification furnace and gas fired-boiler complete to start, enter running status, the running state information bag in embodiment of the present invention
Include the information such as gasification charging, gasification system bed temperature, gasification system bed pressure, furnace pressure, monitor the operation shape of gasification system the most in real time
State information.Wherein, those skilled in the art can arrange gasification charging, gasification system bed temperature, gasification system according to application needs
Alarming value when normal value when bed pressure, furnace pressure etc. is properly functioning and dangerous operation.
The method of the present invention also includes, by start-up course, monitoring process and the process information of fault interlock, such as gasifying is
The information such as system bed temperature, gasification system bed pressure, gas fired-boiler force value, by human-computer interaction interface centralized displaying so that staff is complete
The running status understanding boiler in face and the information of control.
In sum, the safety interlocking control method of the biomass gasification system that the present invention provides is by entering the startup of gasification system
Row automatically controls, and to gasification charging, gasification system bed temperature, gasification system bed pressure, burner hearth after biomass gasification system starts
The running state information such as pressure are monitored in real time, break down in control system or process equipment, cause technic index to occur different
Often, it is possible to the when of surmounting security clearance scope, this respective specific valve can action immediately send early warning, thus avoid
The generation of accident, it is ensured that the safe and stable operation of production.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as this
Bright protection domain.
Claims (7)
1. the safety interlocking control method of a biomass gasification system, it is characterised in that the change of technological parameter causes input
Side action, the signal detected is flowed to CP, CP and outputs a signal to FBM after logical operation by FBM fastener,
Signal is transferred out by FBM again；When the signal of FBM output is within controlled safe range, signal is sent to scene and continues
Electrical equipment, adjusting process parameter, make equipment recover stable operation；When the signal of FBM output runaways, signal is sent
To stop valve, implement signal alarm and interlocking action, cut off respective valves, thus avoid the generation of accident.
The safety interlocking control method of biomass gasification system the most according to claim 1, it is characterised in that interlocking is single
Interlocking input, by CP control, is exported scene after internal logic computing by unit；Identify and realize the portion of interlocking action
Part is made up of the cyclelog in programmable controller, distributing system；Program in programmable controller, distributing system
After controller compares the output signal of all kinds of transmitters with setting value, judge, decide whether that producing interlocking signal is carried out again
Output；After interlocking signal output, interlocking action implemented by relay or stop valve.
The safety interlocking control method of biomass gasification system the most according to claim 1, it is characterised in that living beings
Gasification system receives enabling signal, then whether there is the fault-signal that each equipment sends in detecting system, sets if the most a certain
Preparation is out of order signal, represents that this equipment cannot be properly functioning, then system needs to be entered by display device prompting relevant staff
Row processes with signal of fixing a breakdown；If each equipment of gasification system is all normal, then automatically starts centrifuge according to default order, enter
Glassware, pyrolysis gasification furnace, gas fired-boiler.
The safety interlocking control method of biomass gasification system the most according to claim 3, it is characterised in that system opens
After Dong, monitor the running state information of biomass gasification system in real time, when described running state information is in controlled safe range
Time, signal is sent to on-the-spot relay, adjusting process parameter, makes equipment recover stable operation；When described running state information with
When alarm state information is consistent, automatically triggers fault interlock and stop the operation of biomass gasification system.
The safety interlocking control method of biomass gasification system the most according to claim 4, it is characterised in that described pyrolysis
After gasification furnace and gas fired-boiler complete to start, entering running status, described running state information includes gasification charging, gasification system bed
Temperature, gasification system bed pressure, furnace pressure information.
The safety interlocking control method of biomass gasification system the most according to claim 5, it is characterised in that described gasification
Normal value when charging, gasification system bed temperature, gasification system bed pressure, furnace pressure are provided with properly functioning and dangerous when running
Alarming value.
The safety interlocking control method of biomass gasification system the most according to claim 1, it is characterised in that signal alarm,
Safety interlock system uses to be had the relay circuit of contact or uses non-contact type transistor circuit, DCS, PLC to construct letter
Number report to the police, safety interlock system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470879.5A CN105885955B (en) | 2016-06-20 | 2016-06-20 | A kind of safety interlocking control method of biomass gasification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470879.5A CN105885955B (en) | 2016-06-20 | 2016-06-20 | A kind of safety interlocking control method of biomass gasification system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105885955A true CN105885955A (en) | 2016-08-24 |
| CN105885955B CN105885955B (en) | 2018-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610470879.5A Expired - Fee Related CN105885955B (en) | 2016-06-20 | 2016-06-20 | A kind of safety interlocking control method of biomass gasification system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650245A (en) * | 2020-07-10 | 2020-09-11 | 天津大学 | System and method for testing flameless combustion spontaneous combustion temperature of combustible gas in high-pressure environment |
| CN116814302A (en) * | 2023-08-09 | 2023-09-29 | 北京启迪中谷能源科技有限公司 | Method, system and storage medium for monitoring gasification amount of biomass gasification reaction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654630A (en) * | 2009-09-01 | 2010-02-24 | 水煤浆气化及煤化工国家工程研究中心 | Safe logic control method of pulverized coal gasifier |
| CN102618331A (en) * | 2011-12-12 | 2012-08-01 | 航天长征化学工程股份有限公司 | Safety interlocking protection system used for powdered coal pressure gasification process and method |
| CN202692158U (en) * | 2012-06-26 | 2013-01-23 | 刘加军 | Gasifier |
-
2016
- 2016-06-20 CN CN201610470879.5A patent/CN105885955B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654630A (en) * | 2009-09-01 | 2010-02-24 | 水煤浆气化及煤化工国家工程研究中心 | Safe logic control method of pulverized coal gasifier |
| CN102618331A (en) * | 2011-12-12 | 2012-08-01 | 航天长征化学工程股份有限公司 | Safety interlocking protection system used for powdered coal pressure gasification process and method |
| CN202692158U (en) * | 2012-06-26 | 2013-01-23 | 刘加军 | Gasifier |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650245A (en) * | 2020-07-10 | 2020-09-11 | 天津大学 | System and method for testing flameless combustion spontaneous combustion temperature of combustible gas in high-pressure environment |
| CN111650245B (en) * | 2020-07-10 | 2022-11-04 | 天津大学 | Combustible gas flameless combustion spontaneous combustion temperature testing system and method in high-pressure environment |
| CN116814302A (en) * | 2023-08-09 | 2023-09-29 | 北京启迪中谷能源科技有限公司 | Method, system and storage medium for monitoring gasification amount of biomass gasification reaction |
| CN116814302B (en) * | 2023-08-09 | 2024-03-01 | 北京启迪中谷能源科技有限公司 | Method, system and storage medium for monitoring gasification amount of biomass gasification reaction |
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| Publication number | Publication date |
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| CN105885955B (en) | 2018-12-04 |
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Granted publication date: 20181204 Termination date: 20210620 |
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