CN207541425U - A kind of emergency stopping system of autoclave - Google Patents
A kind of emergency stopping system of autoclave Download PDFInfo
- Publication number
- CN207541425U CN207541425U CN201721753855.7U CN201721753855U CN207541425U CN 207541425 U CN207541425 U CN 207541425U CN 201721753855 U CN201721753855 U CN 201721753855U CN 207541425 U CN207541425 U CN 207541425U
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- autoclave
- emergency
- fastener
- stopping system
- emergency stopping
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- Feedback Control In General (AREA)
Abstract
The utility model provides a kind of emergency stopping system of autoclave, individual switch board is set on autoclave for the emergency stopping system and software module of individually stopping in emergency, emergency stopping system includes the switch board and host computer that are arranged on 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, analog input fastener identifies the detection signal of the safety instrument, analog output fastener will control signal to be transmitted to the stop valve.When the emergency stopping system is detected more than preset condition highest limit value, you can to trigger action of stopping in emergency.The emergency stopping system of the utility model 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 reduce the probability of emergency stopping system failure, effectively improve the safe class of autoclave operation.
Description
Technical field
The utility model is related to a kind of security systems, are more particularly to a kind of emergency stopping system of autoclave.
Background technology
Autoclave is also known as autoclave, autoclave, refers to industrially operate the equipment chemically reacted under high pressure.Kettle cover
On be generally equipped with pressure gauge, rupture disk safety device, phase valve, temperature sensor etc., convenient for understanding the reaction in kettle at any time
Situation adjusts the medium ratio in kettle, and ensures 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 cannot have found and locate in time
Reason can generate very big security risk to equipment and personnel.Part autoclave be provided with safety interlocking program, but with conventional process control
System is arranged under same controller.If safety interlocking program is arranged on conventional process control under same controller, conventional mistake
The controller or network failure occurred in process control, can influence the execution of safety interlocking program, and safety interlocking program is caused to be lost
Effect generates security risk.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of emergency stopping system of autoclave, this, which stops in emergency, is
System sets individual switch board on autoclave and individually stops in emergency software module, when the emergency stopping system detect it is super
When crossing preset condition highest limit value, you can to trigger action of stopping in emergency.Emergency stopping system on hardware and software all and
Process Control System is independent, so as to be greatly improved the reliability of the emergency stopping system.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of emergency stopping system of autoclave sets individual switch board on autoclave and individually stops in emergency soft
Part module makes the emergency stopping system be independently from the Process Control System of autoclave on hardware and software, described urgent
Shutdown system includes：
The safety instrument and stop valve of the switch board and host computer and setting of control room at the scene are arranged on,
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,
The analog output fastener will control signal to be transmitted to the stop valve.
One embodiment of the emergency stopping system of autoclave according to the present utility model, safety instrument become comprising temperature
Device, core liquid level gauge or pressure transmitter are sent, the temperature transmitter is set to the autoclave compartment, and the pressure transmitter is set
Autoclave discharge duct is placed in, the core liquid level gauge is set in autoclave.
One embodiment of the emergency stopping system of autoclave according to the present utility model, stop valve include feed slurry
Stop valve, discharge stop valve and each compartment mixed liquor pipe cutting valve.
One embodiment of the emergency stopping system of autoclave according to the present utility model, the input and output fastener is also
Comprising digital quantity input card, it is also respectively provided with emergency stop push button, the digital quantity input at the scene and/or in control room
When fastener recognizes emergency stop push button and is pressed, scram button signal is transmitted to by stop valve by analog output fastener.
One embodiment of the emergency stopping system of autoclave according to the present utility model, the analog output fastener
It further includes and transmits start stop signal to charge pump and/or coolant pump.
One embodiment of the emergency stopping system of autoclave according to the present utility model, the redundant power of switch board are
Uninterruptible power supply.
According to the description of above-mentioned technical proposal it is found that the system on autoclave by setting individual emergency shut-down control device
Cabinet and software module of individually stopping in emergency, are involved in the instrument signal of autoclave safety, valve control signal is introduced 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 improves the safe class of autoclave operation.
Description of the drawings
Fig. 1 is the autoclave emergency stopping system schematic diagram of one specific embodiment of the utility model.
Fig. 2 is the principle schematic of the method for stopping in emergency of Fig. 1 systems.
Specific embodiment
The technical solution of the utility model is described further below according to specific embodiment.The protection of the utility model
Range is not limited to following embodiment, and it is new without limiting this practicality in any way merely for exemplary purpose to enumerate these examples
Type.
Fig. 1 forms schematic diagram for autoclave emergency stopping system, 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, cabinet uninterrupted power supply, input and output fastener include analog input fastener, analog output fastener to redundant power in order to control,
Wherein, the detection signal of analog input fastener identification safety instrument, analog output fastener will control signal to be transmitted to stop valve.
Safety instrument includes temperature transmitter, core liquid level gauge or pressure transmitter, and temperature transmitter is set to the pressurization
The each compartment of kettle, pressure transmitter are set to autoclave discharge duct, and core liquid level gauge is set in autoclave.Stop valve is included into
Expect ore pulp stop valve, discharge stop valve and each compartment mixed liquor pipe cutting valve, each stop valve pass through life that signal is controlled to convey
The mixed liquor cut-out of the cut-out of feed slurry, the cut-out of discharge and each compartment can be realized respectively by enabling.
The input and output fastener of the utility model emergency stopping system also comprising digital quantity input card and is separately positioned on
Scene and/or the indoor emergency stop push button of control, when digital quantity input card recognize setting at the scene or control room it is tight
When anxious stop button is pressed, scram button signal is transmitted to by stop valve by analog output fastener, so as to fulfill above-mentioned each
The cut-out of stop valve.
It is the computer that can directly send out manipulation command in the host computer of control room setting.It is for example, tactile when stopping in emergency
After hair, if the condition stopped in emergency is caused to restore normal, need by the reset on operating personnel's hand-reset host computer
Signal can carry out the process of restarting autoclave.
Fig. 2 is the parking method principle schematic of the emergency stopping system of the utility model, as shown in Fig. 2, this promptly stops
Vehicle system works independently of Process Control System, and Process Control System controls the normal work of autoclave, when the simulation of switch board
It measures input card and detects when detecting any one or more ceiling value of the signal more than setting of safety instrument, for example, when adding
The numerical value for pressing kettle core liquid level gauge is more than the ceiling value (autoclave liquid level is more than or equal to 90%) of setting, and autoclave pressure at expulsion senses
Device is more than the ceiling value (pressure at expulsion of autoclave is more than or equal to 3.8MPa) or each compartment temperatures transmitter set more than setting
Ceiling value (at least there are three autoclave compartment temperature be more than or equal to 230 DEG C), software module of stopping in emergency is triggered, and passes through
Analog output fastener, which will control signal to be transmitted to stop valve, makes autoclave stop in emergency.Autoclave stop in emergency action for close into
Expect ore pulp 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 setting 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 is believed scram button 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 be restored to ceiling value with
Under, switch board can generate reset signal, after indoor host computer is controlled to carry out manual reset, can restart autoclave.
The emergency stopping system of the utility model can also control the start-stop of charge pump and/or coolant pump.Specifically
For, when control room generates above-mentioned reset signal, control signal or scram button signal, analog output fastener can be with
Start stop signal is transmitted to the charge pump on autoclave and/or coolant pump, the charge pump and/or coolant pump is made to make accordingly
Go out start-stop.
As known to persons of ordinary skill in the art, " Process Control System " of autoclave described in the utility model can be
Conventional instrument Process Control System or computer process control system.It is to be made using the parameter for ensureing production process as controlled variable
Close to set-point or the automatic control system being maintained within a given range.Here " process " refers in process units or equipment
The interaction of the matter and energy of progress and transfer process.The main parameters of characterization process have temperature, pressure, flow, liquid level,
Ingredient, concentration etc..By the control to process variable, it can increase the yield of product in production process, Quality advance and energy consumption
It reduces.The form of 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 described in the utility model refers in hardware and soft
Autoclave emergency stopping system is not by the interference of Process Control System and control on part, when Process Control System breaks down
When, emergency stopping system remains able to independent operation, so as to be greatly improved the reliability of the emergency stopping system, subtracts significantly
The probability of few emergency stopping system failure.In addition, the embodiment of the utility model is not limited in autoclave emergency stopping system
Independently of Process Control System, when the autoclave emergency stopping system of the utility model is not separately provided with procedures system, according to
So it can realize function of stopping in emergency when reaching corresponding conditions.
Those of ordinary skill in the art should be noted that the described embodiment of the utility model is only demonstration
, various other replacements, changes and improvements can be made in the scope of the utility model.Thus, the utility model is not limited to
Embodiment is stated, and is limited only by the appended claims.
Claims (6)
1. a kind of emergency stopping system of autoclave, which is characterized in that set on autoclave individual switch board and individually
It stops in emergency software module, the emergency stopping system is made to be independently from the process control system of autoclave on hardware and software
System, the emergency stopping system include：
The safety instrument and stop valve of the switch board and host computer and setting of control room at the scene are arranged on,
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,
The analog output fastener will control signal to be transmitted to the stop valve.
2. emergency stopping system as described in claim 1, which is characterized in that the safety instrument includes temperature transmitter, core
Liquid level gauge or pressure transmitter, the temperature transmitter are set to each compartment of the autoclave, the pressure transmitter setting
In autoclave discharge duct, the core liquid level gauge is set in autoclave.
3. emergency stopping system as described in claim 1, which is characterized 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 described in claim 1, which is characterized 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 described in claim 1, which is characterized in that the analog output fastener is further included to charging
Pump and/or coolant pump transmit start stop signal.
6. emergency stopping system as described in claim 1, which is characterized in that the redundant power of the switch board is uninterrupted electricity
Source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753855.7U CN207541425U (en) | 2017-12-15 | 2017-12-15 | A kind of emergency stopping system of autoclave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753855.7U CN207541425U (en) | 2017-12-15 | 2017-12-15 | A kind of emergency stopping system of autoclave |
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| Publication Number | Publication Date |
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| CN207541425U true CN207541425U (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721753855.7U Active CN207541425U (en) | 2017-12-15 | 2017-12-15 | A kind of emergency stopping system of autoclave |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861379A (en) * | 2017-12-15 | 2018-03-30 | 中国恩菲工程技术有限公司 | The emergency stopping system and its parking method of a kind of autoclave |
-
2017
- 2017-12-15 CN CN201721753855.7U patent/CN207541425U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861379A (en) * | 2017-12-15 | 2018-03-30 | 中国恩菲工程技术有限公司 | The emergency stopping system and its parking method of a kind of autoclave |
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