CN107861379A - The emergency stopping system and its parking method of a kind of autoclave - Google Patents
The emergency stopping system and its parking method of a kind of autoclave Download PDFInfo
- Publication number
- CN107861379A CN107861379A CN201711344320.9A CN201711344320A CN107861379A CN 107861379 A CN107861379 A CN 107861379A CN 201711344320 A CN201711344320 A CN 201711344320A CN 107861379 A CN107861379 A CN 107861379A
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- Prior art keywords
- emergency
- autoclave
- fastener
- stopping system
- stop
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
The present invention provides a kind of emergency stopping system of autoclave, and the emergency stopping system sets single switch board on autoclave and software module of individually stopping in emergency, emergency stopping system include：It is arranged on the switch board and host computer of control room, and the safety instrument and stop valve of setting at the scene, switch board includes redundancy CPU, redundant power and input and output fastener, input and output fastener includes analog input fastener, analog output fastener, wherein analog input fastener identifies the detection signal of the safety instrument, and control signal is transmitted to the stop valve by analog output fastener.When the emergency stopping system is detected more than default condition highest limit value, you can to trigger action of stopping in emergency.The emergency stopping system of the present invention is all independent with Process Control System on hardware and software, so as to be greatly improved the reliability of the emergency stopping system, greatly reduces the probability of emergency stopping system failure, effectively improves the safe class of autoclave operation.
Description
Technical field
The present invention relates to a kind of security system, emergency stopping system and its parking side of a kind of autoclave are more particularly to
Method.
Background technology
Autoclave is also known as autoclave, autoclave, refers to industrially operate the equipment to be chemically reacted under high pressure.Kettle cover
On be generally equipped with pressure gauge, rupture disk safety device, phase valve, temperature sensor etc., be easy to understand the reaction in kettle at any time
Situation, the medium ratio in kettle is adjusted, and ensure safe operation.Existing autoclave control is generally conventional process control,
When unusual service condition occurs in autoclave, when overtemperature, superpressure, super liquid level, leakage, if operator can not have found and locate in time
Reason, very big potential safety hazard can be produced to equipment and personnel.Part autoclave is provided with safety interlocking program, but with conventional process control
System is arranged under same controller.If safety interlocking program is arranged under same controller with conventional process control, conventional mistake
The controller or network failure occurred in process control, can influence the execution of safety interlocking program, cause safety interlocking program to be lost
Effect, produce potential safety hazard.
The content of the invention
In order to solve the above problems, the present invention provides a kind of emergency stopping system and its parking method of autoclave, and this is tight
Single switch board is set on autoclave for anxious shutdown system and software module of individually stopping in emergency, when the emergency stopping system
Detect when exceeding default condition highest limit value, you can stopped in emergency action with triggering.Emergency stopping system is in hardware and soft
It is all independent with Process Control System on part, so as to be greatly improved the reliability of the emergency stopping system.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of emergency stopping system of autoclave, single switch board is set on autoclave and individually stopped in emergency soft
Part module, the emergency stopping system is set to be independently from the Process Control System of autoclave on hardware and software, it is described urgent
Shutdown system includes：
The switch board and host computer of control room are arranged on, and safety instrument and stop valve at the scene is set,
The switch board includes redundancy CPU, redundant power and input and output fastener,
The input and output fastener includes analog input fastener, analog output fastener, wherein
The analog input fastener identifies the detection signal of the safety instrument,
Control signal is transmitted to the stop valve by the analog output fastener.
According to an embodiment of the emergency stopping system of the autoclave of the present invention, safety instrument includes temperature pick-up
Device, core liquid level gauge or pressure transmitter, the temperature transmitter are arranged at the autoclave compartment, and the pressure transmitter is set
In autoclave discharge duct, the core liquid level gauge is arranged in autoclave.
According to an embodiment of the emergency stopping system of the autoclave of the present invention, stop valve is cut off comprising feed slurry
Valve, discharge stop valve and each compartment mixed liquor pipe cutting valve.
According to an embodiment of the emergency stopping system of the autoclave of the present invention, the input and output fastener also includes
Digital quantity input card, emergency stop push button, the digital quantity input card are also respectively provided with the scene and/or in control room
When recognizing emergency stop push button and being pressed, scram button signal is transmitted to by stop valve by analog output fastener.
According to an embodiment of the emergency stopping system of the autoclave of the present invention, the analog output fastener also wraps
Include and transmit start stop signal to charge pump and/or coolant pump.
According to an embodiment of the emergency stopping system of the autoclave of the present invention, the redundant power of switch board is between not
Power-off source.
The present invention also provides a kind of autoclave using above-mentioned emergency stopping system and stopped in emergency method, emergency stopping system
Worked independently of Process Control System, its operating method is as follows：
When the analog input fastener of switch board recognize safety instrument detection signal exceed setting any one or
During multiple ceiling values, the software module triggering of stopping in emergency of emergency stopping system,
After the software module triggering of stopping in emergency of emergency stopping system, control signal is transmitted to by analog output fastener
Stop valve makes autoclave stop in emergency；
Wherein, ceiling value is：
The temperature of at least three autoclave compartments is more than or equal to 230 DEG C；
The pressure at expulsion of autoclave is more than or equal to 3.8MPa；
Autoclave liquid level is more than or equal to 90%.
According to an embodiment of the method for stopping in emergency of the autoclave of the present invention, when the digital quantity input card of switch board
When part detects that the emergency stop push button of scene and/or control room is pressed, the software module of stopping in emergency of emergency stopping system
Triggering, stop valve is transmitted to by analog output fastener by scram button signal.
According to the present invention autoclave method of stopping in emergency an embodiment, when stop in emergency triggering after, if
The condition stopped in emergency is caused to return to below ceiling value, host computer can produce reset signal, after manual reset, can weigh
It is new to start autoclave.
According to the present invention autoclave method of stopping in emergency an embodiment, when control room produce reset signal,
When control signal or scram button signal, analog output fastener can also give charge pump and/or coolant pump to transmit start and stop letter
Number, charge pump and/or coolant pump is accordingly made start-stop.
It can be seen from the description of above-mentioned technical proposal, the system on autoclave by setting single emergency shut-down control device
Cabinet and software module of individually stopping in emergency, are involved in the instrument signal of autoclave safety, and valve control signal is incorporated into list
The emergency stopping system solely set, and being separated with conventional process control system, make its on hardware and software all and process control
System is independent, so as to be greatly improved the reliability of the emergency stopping system, greatly reduces the general of emergency stopping system failure
Rate, effectively improve the safe class of autoclave operation.
Brief description of the drawings
Fig. 1 is the autoclave emergency stopping system schematic diagram of an embodiment of the invention.
Fig. 2 is the principle schematic of the method for stopping in emergency of Fig. 1 systems.
Embodiment
Technical scheme is described further below according to specific embodiment.Protection scope of the present invention is unlimited
In following examples, these examples are enumerated merely for exemplary purpose without limiting the invention in any way.
Fig. 1 is that autoclave emergency stopping system forms schematic diagram, as shown in figure 1, the autoclave emergency stopping system is hard
Be independently from the Process Control System of autoclave on part and software, emergency stopping system include being arranged on the switch board of control room,
Safety instrument, the stop valve of host computer and setting at the scene, switch board include redundancy CPU and redundant power and input-output card
Part, redundant power are switch board uninterrupted power supply, and input and output fastener includes analog input fastener, analog output fastener,
Wherein, control signal is transmitted to stop valve by the detection signal of analog input fastener identification safety instrument, analog output fastener.
Safety instrument includes temperature transmitter, core liquid level gauge or pressure transmitter, and temperature transmitter is arranged at the pressurization
The each compartment of kettle, pressure transmitter are arranged at autoclave discharge duct, and core liquid level gauge is arranged in autoclave.Stop valve is included into
Expect ore pulp stop valve, discharge stop valve and each compartment mixed liquor pipe cutting valve, the life that each stop valve is passed on by control signal
Order can realize the mixed liquor cut-out of the cut-out of feed slurry, the cut-out of discharge and each compartment respectively.
The input and output fastener of emergency stopping system of the present invention also includes digital quantity input card, and is separately positioned on scene
And/or the emergency stop push button in control room, when digital quantity input card recognize set at the scene and/or control room it is urgent
When stop button is pressed, scram button signal is transmitted to by stop valve by analog output fastener, above-mentioned respectively cut so as to realize
The cut-out of disconnected valve.
It is the computer that can directly send manipulation order in the host computer that control room is set.It is for example, tactile when stopping in emergency
After hair, if causing the condition stopped in emergency to recover normal, it is necessary to by the reset on operating personnel's hand-reset host computer
Signal, it can carry out restarting the process of autoclave.
Fig. 2 is the parking method principle schematic of the emergency stopping system of the present invention, as shown in Fig. 2 this stops in emergency is
Unification and independence stand on Process Control System work, and Process Control System controls the normal work of autoclave, when the analog quantity of switch board is defeated
Enter fastener detect safety instrument detection signal exceed setting any one or more ceiling values when, for example, working as autoclave
The numerical value of core liquid level gauge exceedes the ceiling value (autoclave liquid level is more than or equal to 90%) of setting, and autoclave back pressure transducer surpasses
Cross the ceiling value (pressure at expulsion of autoclave is more than or equal to 3.8MPa) of setting or each compartment temperatures transmitter exceedes the height of setting
Limit value (temperature of at least three autoclave compartments is more than or equal to 230 DEG C), software module of stopping in emergency is triggered, and passes through simulation
Control signal is transmitted to stop valve by amount output fastener makes autoclave stop in emergency.Autoclave stops in emergency action to close charging ore deposit
Starch stop valve, discharge stop valve and each compartment mixed liquor pipe cutting valve.
In addition, when the digital quantity input card of switch board detect set at the scene and/or control room stop in emergency by
When button is pressed, the software module triggering of stopping in emergency of emergency stopping system, scram button is believed by analog output fastener
Number being transmitted to stop valve makes autoclave stop in emergency.
When it is above-mentioned stop in emergency software module triggering after, if cause the condition stopped in emergency return to ceiling value with
Under, switch board can produce reset signal, after carrying out manual reset by the host computer in control room, can restart autoclave.
The emergency stopping system of the present invention can also control the start-stop of charge pump and/or coolant pump.Specifically,
When control room produces above-mentioned reset signal, control signal or scram button signal, analog output fastener, which can also be given, to be added
Press the charge pump on kettle and/or coolant pump to transmit start stop signal, the charge pump and/or coolant pump is made accordingly and open
Stop acting.
As known to persons of ordinary skill in the art, " Process Control System " of autoclave of the present invention can be conventional
Instrument process control system or computer process control system.It is to be allowed to connect as controlled variable using the parameter for ensureing production process
Nearly set-point or the automatic control system being maintained within a given range.Here " process " refers to carry out in process units or equipment
Matter and energy interaction and transfer process.The main parameters of sign process have temperature, pressure, flow, liquid level, into
Point, concentration etc..By the control to process variable, it can increase the yield of product in production process, Quality advance and can depletion
It is few.The form of in general Process Control System generally use feedback control, this is the major way of process control.
Autoclave emergency stopping system " independently of " Process Control System of the present invention, refers on hardware and software
Autoclave emergency stopping system is not by the interference and control of Process Control System, when Process Control System breaks down, tightly
Anxious shutdown system remains able to independent operation, so as to be greatly improved the reliability of the emergency stopping system, greatly reduces tight
The probability of jerk car thrashing.In addition, the solution of the present invention is not limited in autoclave emergency stopping system independently of mistake
Process control system, when the autoclave emergency stopping system of the present invention is not separately provided with procedures system, it can still reach
During corresponding conditionses, function of stopping in emergency is realized.
Those of ordinary skill in the art should be noted that embodiment described in the invention is only exemplary,
Various other replacements, changes and improvements can be made within the scope of the invention.Thus, the invention is not restricted to above-mentioned embodiment,
And it is limited only by the appended claims.
Claims (10)
- A kind of 1. emergency stopping system of autoclave, it is characterised in that set on autoclave single switch board and individually Stop in emergency software module, the emergency stopping system is independently from the process control system of autoclave on hardware and software System, the emergency stopping system include：The switch board and host computer of control room are arranged on, and safety instrument and stop valve at the scene is set,The switch board includes redundancy CPU, redundant power and input and output fastener,The input and output fastener includes analog input fastener, analog output fastener, whereinThe analog input fastener identifies the detection signal of the safety instrument,Control signal is transmitted to the stop valve by the analog output fastener.
- 2. emergency stopping system as claimed in claim 1, it is characterised in that the safety instrument includes temperature transmitter, core Liquid level gauge or pressure transmitter, the temperature transmitter are arranged at each compartment of the autoclave, and the pressure transmitter is set In autoclave discharge duct, the core liquid level gauge is arranged in autoclave.
- 3. emergency stopping system as claimed in claim 1, it is characterised in that the stop valve include feed slurry stop valve, Discharge stop valve and each compartment mixed liquor pipe cutting valve.
- 4. emergency stopping system as claimed in claim 1, it is characterised in that the input and output fastener is also defeated comprising digital quantity Enter fastener, be also respectively provided with emergency stop push button at the scene and/or in control room, the digital quantity input card recognizes tightly When anxious stop button is pressed, scram button signal is transmitted to by stop valve by analog output fastener.
- 5. emergency stopping system as claimed in claim 1, it is characterised in that the analog output fastener is also included to charging Pump and/or coolant pump transmit start stop signal.
- 6. emergency stopping system as claimed in claim 1, it is characterised in that the redundant power of the switch board is uninterrupted electricity Source.
- A kind of method 7. autoclave stops in emergency, this method are using stopping in emergency as any one of claim 1-6 System, it is characterised in that the emergency stopping system works independently of Process Control System, and its operating method is as follows：When the analog input fastener of the switch board recognize safety instrument detection signal exceed setting any one or During multiple ceiling values, the software module triggering of stopping in emergency of emergency stopping system；After the software module triggering of stopping in emergency of system, control signal is transmitted into stop valve by analog output fastener makes pressurization Kettle stops in emergency；Wherein, the ceiling value is：The temperature of at least three autoclave compartments is more than or equal to 230 DEG C；The pressure at expulsion of autoclave is more than or equal to 3.8MPa；Autoclave liquid level is more than or equal to 90%.
- The method 8. autoclave as claimed in claim 7 stops in emergency, it is characterised in that when the digital quantity of the switch board inputs When fastener detects that the emergency stop push button of scene and/or control room is pressed, the software mould that stops in emergency of emergency stopping system Block is triggered, and scram button signal is transmitted into stop valve by analog output fastener.
- The method 9. autoclave as claimed in claim 7 or 8 stops in emergency, it is characterised in that when it is described stop in emergency triggering after, If causing the condition stopped in emergency to return to below ceiling value, the host computer can produce reset signal, by manually multiple Behind position, autoclave can be restarted.
- The method 10. autoclave as claimed in claim 9 stops in emergency, it is characterised in that reset letter when the control room produces Number, control signal or during scram button signal, the analog output fastener can also give charge pump and/or coolant pump transmission Start stop signal, the charge pump and/or coolant pump is set accordingly to make start-stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344320.9A CN107861379A (en) | 2017-12-15 | 2017-12-15 | The emergency stopping system and its parking method of a kind of autoclave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344320.9A CN107861379A (en) | 2017-12-15 | 2017-12-15 | The emergency stopping system and its parking method of a kind of autoclave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107861379A true CN107861379A (en) | 2018-03-30 |
Family
ID=61706531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711344320.9A Pending CN107861379A (en) | 2017-12-15 | 2017-12-15 | The emergency stopping system and its parking method of a kind of autoclave |
Country Status (1)
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| CN (1) | CN107861379A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445180A (en) * | 1973-11-06 | 1984-04-24 | Westinghouse Electric Corp. | Plant unit master control for fossil fired boiler implemented with a digital computer |
| EP0109157A2 (en) * | 1982-10-15 | 1984-05-23 | Morehouse Industries, Inc. | Automated sandmill control system |
| JP2008234542A (en) * | 2007-03-23 | 2008-10-02 | Matsushita Electric Ind Co Ltd | Gas shut-off device |
| 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 |
| US20150005904A1 (en) * | 2013-06-28 | 2015-01-01 | Fisher Controls International Llc | System and method for shutting down a field device |
| WO2017092607A1 (en) * | 2015-12-02 | 2017-06-08 | 王冰 | Reaction control system for supercritical water oxidation |
| CN206353259U (en) * | 2016-12-30 | 2017-07-25 | 宁波高新区台裕科技有限公司 | A kind of safety instrumented systems for chemical industry polymeric kettle |
| CN207541425U (en) * | 2017-12-15 | 2018-06-26 | 中国恩菲工程技术有限公司 | A kind of emergency stopping system of autoclave |
-
2017
- 2017-12-15 CN CN201711344320.9A patent/CN107861379A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445180A (en) * | 1973-11-06 | 1984-04-24 | Westinghouse Electric Corp. | Plant unit master control for fossil fired boiler implemented with a digital computer |
| EP0109157A2 (en) * | 1982-10-15 | 1984-05-23 | Morehouse Industries, Inc. | Automated sandmill control system |
| JP2008234542A (en) * | 2007-03-23 | 2008-10-02 | Matsushita Electric Ind Co Ltd | Gas shut-off device |
| 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 |
| US20150005904A1 (en) * | 2013-06-28 | 2015-01-01 | Fisher Controls International Llc | System and method for shutting down a field device |
| WO2017092607A1 (en) * | 2015-12-02 | 2017-06-08 | 王冰 | Reaction control system for supercritical water oxidation |
| CN206353259U (en) * | 2016-12-30 | 2017-07-25 | 宁波高新区台裕科技有限公司 | A kind of safety instrumented systems for chemical industry polymeric kettle |
| CN207541425U (en) * | 2017-12-15 | 2018-06-26 | 中国恩菲工程技术有限公司 | A kind of emergency stopping system of autoclave |
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