CN103838188B - UF6vaporization automatic control system and control method - Google Patents
UF6vaporization automatic control system and control method Download PDFInfo
- Publication number
- CN103838188B CN103838188B CN201210473154.3A CN201210473154A CN103838188B CN 103838188 B CN103838188 B CN 103838188B CN 201210473154 A CN201210473154 A CN 201210473154A CN 103838188 B CN103838188 B CN 103838188B
- Authority
- CN
- China
- Prior art keywords
- signal
- controller
- analog
- pid
- internal pressure
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Feedback Control In General (AREA)
- Control Of Temperature (AREA)
Abstract
The invention belongs to automatic control and control technical field, be specifically related to a kind of UF6Vaporization automatic control system and control method.The DCS control system of this system includes charge cask internal pressure transmitter, charge cask outside wall temperature transmitter, airway temperature transmitter, current transducer, analog-to-digital conversion module, PID pressure regulator, program set station, sequence controller, switching controller, PID temperature actuator A, PID temperature actuator B, protects chain controller, D/A converter module, switching value output module, heating controller, heater；The PLC control system of this system includes gasifying pot internal pressure transmitter, door seal pressure transmitter, PLC Analog input mModule, PLC, graphic operating terminal, o controller；The former achieves charge cask internal pressure and the automatically-controlled continuous of wall temperature and protection, and airway temperature and the automatically-controlled continuous of heater current and protection；The latter achieves automatically controlling and protecting of gasifying pot internal pressure and door seal pressure.
Description
Technical field
The invention belongs to automatic control and control technical field, be specifically related to a kind of UF6Vaporization automatic control system and control method.
Background technology
UF6Vaporization be wet method or the first operation of the sinterable powder of uranium dioxide of dry process, its technological process is as follows: fill UF6The container of material is vaporized in gasifying pot, and the heater of gasifying pot is positioned at its afterbody, and the heat that electrocaloric effect produces brushes even action by axial flow blower and is diffused into around charge cask so that it is thermally equivalent from outside to inside.Along with the carrying out of heating, the temperature of container is stepped up, its internal UF6Material progressively heats up expansion, and container internal pressure is progressively changed to malleation by negative pressure.After temperature arrives sublimation point, UF6Material progressively distils vaporization, As time goes on, the UF of vaporization6Material progressively increases, and container internal pressure increases further.When needs are hydrolyzed reaction, open valve of giving vent to anger, the UF in container6Gas is by entering next step hydrolyzing process after the surge tank buffering voltage stabilizing within the warm work box of airway that has heat tracing.
At UF6Vaporescence in, important control parameter is mainly temperature and pressure, temperature control parameter includes the content such as the outside wall temperature of charge cask, two airway temperature, heat insulation work case temperature in two gasifying pots, and pressure controling parameter then includes the contents such as charge cask internal pressure in two gasifying pots, two gasifying pot internal pressures and two gasifying pot door seal pressure.
In vaporization process, originally had been used up the control mode that the manual operations of technologist combines with DCS control.In only having gasifying pot, several parameters such as the surface temperature of charge cask, heat insulation work case temperature use DCS to automatically control.Other parameter uses backward Non-follow control substantially.In production process, technologist needs charge cask internal pressure in Artificial Control gasifying pot, gasifying pot internal pressure and gasifying pot door seal pressure, and not only automaticity is low, control accuracy is low, and especially security reliability is low.It addition, the temperature of airway controls to use the field instrument position formula control mode fallen behind, controlling error big, heater is short for service life.
Summary of the invention
It is an object of the invention to provide a kind of UF6Vaporization automatic control system and control method, fundamentally to improve UF6The automaticity of vaporization process, it is ensured that security and stability, overcomes the deficiency that above-mentioned prior art exists.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of UF6Vaporization automatic control system, including DCS control system and PLC control system；DCS control system includes charge cask internal pressure transmitter, charge cask outside wall temperature transmitter, airway temperature transmitter, current transducer A, current transducer B, analog-to-digital conversion module A, analog-to-digital conversion module B, analog-to-digital conversion module C, analog-to-digital conversion module D, analog-to-digital conversion module E, PID pressure regulator, program set station, sequence controller, switching controller, PID temperature actuator A, PID temperature actuator B, protect chain controller B, D/A converter module A, D/A converter module B, switching value output module B, heating controller A, heating controller B, heater A, heater B；PLC control system includes gasifying pot internal pressure transmitter, door seal pressure transmitter, PLC Analog input mModule, PLC, graphic operating terminal, o controller；
After system is run, described charge cask internal pressure transmitter sends the internal pressure analogue signal of the charge cask collected to analog-to-digital conversion module A, the internal pressure analogue signal of charge cask is converted into digital signal and sends PID pressure regulator to by analog-to-digital conversion module A, PID pressure regulator according to the deviation between the digital signal received and setting value through PID arithmetic output regulation signal to switching controller；The outside wall temperature analogue signal of the charge cask collected is sent to analog-to-digital conversion module B, analog-to-digital conversion module B and the outside wall temperature analogue signal of charge cask is converted into digital signal sends PID temperature actuator A to by charge cask outside wall temperature transmitter simultaneously；
Boot sequence controller afterwards, trigger setting apparatus exports control signal to switching controller according to the time m-curve of output set, trigger switching controller simultaneously, making program set station and PID temperature actuator A connect composition cascade control system A, program set station output control signal is as the setting value of PID temperature actuator A；PID temperature actuator A exports the deviation between control signal through PID arithmetic output regulation signal to D/A converter module A according to the digital signal received and program set station, regulation signal is converted to analogue signal and sends heating controller A, the heating controller A heating power according to the analogue signal control heater A received to by D/A converter module A；When sequence controller runs to the time of technological requirement, sequence controller triggers switching controller, PID pressure regulator and PID temperature actuator A is made to connect composition cascade control system B, make program set station disconnect with PID temperature actuator A simultaneously, i.e. cascade control system A disconnects, cascade control system B pass sequentially through D/A converter module A, the heating power of heating controller A control heater A；
When charge cask internal pressure transmitter gathers the internal pressure of charge cask, airway temperature transmitter gathers airway temperature analog signal and is transferred to analog-to-digital conversion module C, airway temperature analog signal is converted to digital signal and sends PID temperature actuator B to by analog-to-digital conversion module C, PID temperature actuator B carries out PID arithmetic output regulation signal to D/A converter module B according to the deviation between the digital signal received and setting value, D/A converter module B exports after regulation signal is converted into analogue signal to heating controller B, heating controller B controls the heating power of heater B according to the analogue signal received；Current transducer A, current transducer B gather phase line current and the neutral line current of heater B respectively simultaneously; analog-to-digital conversion module D phase line current signal is converted to digital signal send to protection chain controller B, analog-to-digital conversion module E neutral line current signal is converted to digital signal send to protection chain controller B；When phase line current and the neutral line current appearance exception of heater B, protect chain controller B to trigger switching value output module B action, make heating controller B power-off；
After system is run, gasifying pot internal pressure transmitter sends the internal pressure analogue signal of the gasifying pot collected to PLC Analog input mModule, and the internal pressure analogue signal of gasifying pot is converted to digital signal and sends PLC to by PLC Analog input mModule；Door seal pressure transmitter sends the door seal pressure simulation signal collected to PLC Analog input mModule simultaneously, and door seal pressure simulation signal is converted into digital signal and sends PLC to by PLC Analog input mModule；PLC compares output contact signal respectively according to the controller bound that graphic operating terminal is arranged with two ways of digital signals, controls o controller respectively and drives electromagnetic valve, maintains gasifying pot internal pressure and door seal pressure in the bound set.
Protected chain controller A and switching value output module A is set gradually between outfan and the input of heating controller A of described analog-to-digital conversion module B; when the outside wall temperature digital signal of the charge cask of analog-to-digital conversion module B output exceedes security restriction value; protect chain controller A to trigger switching value output module A action, make heating controller A power-off.
A kind of based on described UF6The UF of vaporization automatic control system6Vaporization autocontrol method, after system is run, described charge cask internal pressure transmitter sends the internal pressure analogue signal of the charge cask collected to analog-to-digital conversion module A, the internal pressure analogue signal of charge cask is converted into digital signal and sends PID pressure regulator to by analog-to-digital conversion module A, PID pressure regulator according to the deviation between the digital signal received and setting value through PID arithmetic output regulation signal to switching controller；The outside wall temperature analogue signal of the charge cask collected is sent to analog-to-digital conversion module B, analog-to-digital conversion module B and the outside wall temperature analogue signal of charge cask is converted into digital signal sends PID temperature actuator A to by charge cask outside wall temperature transmitter simultaneously；
Boot sequence controller afterwards, trigger setting apparatus exports control signal to switching controller according to the time m-curve of output set, trigger switching controller simultaneously, making program set station and PID temperature actuator A connect composition cascade control system A, program set station output control signal is as the setting value of PID temperature actuator A；PID temperature actuator A exports the deviation between control signal through PID arithmetic output regulation signal to D/A converter module A according to the digital signal received and program set station, regulation signal is converted to analogue signal and sends heating controller A, the heating controller A heating power according to the analogue signal control heater A received to by D/A converter module A；When sequence controller runs to the time of technological requirement, sequence controller triggers switching controller, PID pressure regulator and PID temperature actuator A is made to connect composition cascade control system B, make program set station disconnect with PID temperature actuator A simultaneously, i.e. cascade control system A disconnects, cascade control system B pass sequentially through D/A converter module A, the heating power of heating controller A control heater A；
When charge cask internal pressure transmitter gathers the internal pressure of charge cask, airway temperature transmitter gathers airway temperature analog signal and is transferred to analog-to-digital conversion module C, airway temperature analog signal is converted to digital signal and sends PID temperature actuator B to by analog-to-digital conversion module C, PID temperature actuator B carries out PID arithmetic output regulation signal to D/A converter module B according to the deviation between the digital signal received and setting value, D/A converter module B exports after regulation signal is converted into analogue signal to heating controller B, heating controller B controls the heating power of heater B according to the analogue signal received；Current transducer A, current transducer B gather phase line current and the neutral line current of heater B respectively simultaneously; analog-to-digital conversion module D phase line current signal is converted to digital signal send to protection chain controller B, analog-to-digital conversion module E neutral line current signal is converted to digital signal send to protection chain controller B；When phase line current and the neutral line current appearance exception of heater B, protect chain controller B to trigger switching value output module B action, make heating controller B power-off；
After system is run, gasifying pot internal pressure transmitter sends the internal pressure analogue signal of the gasifying pot collected to PLC Analog input mModule, and the internal pressure analogue signal of gasifying pot is converted to digital signal and sends PLC to by PLC Analog input mModule；Door seal pressure transmitter sends the door seal pressure simulation signal collected to PLC Analog input mModule simultaneously, and door seal pressure simulation signal is converted into digital signal and sends PLC to by PLC Analog input mModule；PLC compares output contact signal respectively according to the controller bound that graphic operating terminal is arranged with two ways of digital signals, controls o controller respectively and drives electromagnetic valve, maintains gasifying pot internal pressure and door seal pressure in the bound set.
Protected chain controller A and switching value output module A is set gradually between outfan and the input of heating controller A of described analog-to-digital conversion module B; when the outside wall temperature digital signal of the charge cask of analog-to-digital conversion module B output exceedes security restriction value; protect chain controller A to trigger switching value output module A action, make heating controller A power-off.
Having the beneficial effect that acquired by the present invention
UF of the present invention6Vaporization automatic control system and control method, DCS control system achieves charge cask internal pressure and the automatically-controlled continuous of wall temperature and protection, and airway temperature and the automatically-controlled continuous of heater current and protection；PLC control system achieves automatically controlling and protecting of gasifying pot internal pressure and door seal pressure；The present invention reduces technologist's quantity in post, reduce the labor intensity of workman, achieve the unmanned at scene, ensure that safe, continuous, the stable operation of production, caused device damage owing to the state modulator such as pressure and temperature are the best and the phenomenon of maintenance of being forced to stop production is obviously improved in the past, decrease the environmental pollution caused because of overhaul of the equipments, it is achieved that keep the safety in production, carry out production strictly in line with rules and regulations, there is good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is UF of the present invention6The DCS Control system architecture figure of vaporization automatic control system；
Fig. 2 is UF of the present invention6The PLC control system structure chart of vaporization automatic control system.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, UF of the present invention6Vaporization automatic control system includes DCS control system and PLC control system；DCS control system includes charge cask internal pressure transmitter, charge cask outside wall temperature transmitter, airway temperature transmitter, current transducer A, current transducer B, analog-to-digital conversion module A, analog-to-digital conversion module B, analog-to-digital conversion module C, analog-to-digital conversion module D, analog-to-digital conversion module E, PID pressure regulator, program set station, sequence controller, switching controller, PID temperature actuator A, PID temperature actuator B, protect chain controller A, protect chain controller B, D/A converter module A, D/A converter module B, switching value output module A, switching value output module B, heating controller A, heating controller B, heater A, heater B；PLC control system includes gasifying pot internal pressure transmitter, door seal pressure transmitter, PLC Analog input mModule, PLC, graphic operating terminal, o controller；
First DCS control system is described in detail:
After system is run, charge cask internal pressure transmitter sends the internal pressure analogue signal of the charge cask collected to analog-to-digital conversion module A, the internal pressure analogue signal of charge cask is converted into digital signal and sends PID pressure regulator to by analog-to-digital conversion module A, PID pressure regulator according to the deviation between the digital signal received and setting value through PID arithmetic output regulation signal to switching controller；The outside wall temperature analogue signal of the charge cask collected is sent to analog-to-digital conversion module B, analog-to-digital conversion module B and the outside wall temperature analogue signal of charge cask is converted into digital signal sends PID temperature actuator A to by charge cask outside wall temperature transmitter simultaneously；
Boot sequence controller afterwards, trigger setting apparatus exports control signal to switching controller according to the time m-curve of output set, trigger switching controller simultaneously, making program set station and PID temperature actuator A connect composition cascade control system A, program set station output control signal is as the setting value of PID temperature actuator A；PID temperature actuator A exports the deviation between control signal through PID arithmetic output regulation signal to D/A converter module A according to the digital signal received and program set station, regulation signal is converted to analogue signal and sends heating controller A, the heating controller A heating power according to the analogue signal control heater A received to by D/A converter module A；When sequence controller runs to the time of technological requirement, sequence controller triggers switching controller, PID pressure regulator and PID temperature actuator A is made to connect composition cascade control system B, make program set station disconnect with PID temperature actuator A simultaneously, i.e. cascade control system A disconnects, cascade control system B pass sequentially through D/A converter module A, the heating power of heating controller A control heater A；
Protected chain controller A and switching value output module A is set gradually between the outfan and the input of heating controller A of analog-to-digital conversion module B; when the outside wall temperature digital signal of the charge cask of analog-to-digital conversion module B output exceedes security restriction value; protect chain controller A to trigger switching value output module A action, make heating controller A power-off；
When charge cask internal pressure transmitter gathers the internal pressure of charge cask, airway temperature transmitter gathers airway temperature analog signal and is transferred to analog-to-digital conversion module C, airway temperature analog signal is converted to digital signal and sends PID temperature actuator B to by analog-to-digital conversion module C, PID temperature actuator B carries out PID arithmetic output regulation signal to D/A converter module B according to the deviation between the digital signal received and setting value, D/A converter module B exports after regulation signal is converted into analogue signal to heating controller B, heating controller B controls the heating power of heater B according to the analogue signal received；Current transducer A, current transducer B gather phase line current and the neutral line current of heater B respectively simultaneously; analog-to-digital conversion module D phase line current signal is converted to digital signal send to protection chain controller B, analog-to-digital conversion module E neutral line current signal is converted to digital signal send to protection chain controller B；When phase line current and the neutral line current appearance exception of heater B, protect chain controller B to trigger switching value output module B action, make heating controller B power-off.
Below PLC control system is described in detail:
After system is run, gasifying pot internal pressure transmitter sends the internal pressure analogue signal of the gasifying pot collected to PLC Analog input mModule, and the internal pressure analogue signal of gasifying pot is converted to digital signal and sends PLC to by PLC Analog input mModule；Door seal pressure transmitter sends the door seal pressure simulation signal collected to PLC Analog input mModule simultaneously, and door seal pressure simulation signal is converted into digital signal and sends PLC to by PLC Analog input mModule；PLC compares output contact signal respectively according to the controller bound that graphic operating terminal is arranged with two ways of digital signals, controls o controller respectively and drives electromagnetic valve, maintains gasifying pot internal pressure and door seal pressure in the bound set.
Claims (4)
1. a UF6Vaporization automatic control system, it is characterised in that: this system includes DCS control system
And PLC control system；DCS control system includes charge cask internal pressure transmitter, charge cask outer wall
Temperature transmitter, airway temperature transmitter, current transducer A, current transducer B, analog-to-digital conversion module
A, analog-to-digital conversion module B, analog-to-digital conversion module C, analog-to-digital conversion module D, analog-to-digital conversion module E, PID
Pressure regulator, program set station, sequence controller, switching controller, PID temperature actuator A, PID
Thermoregulator B, protect chain controller B, D/A converter module A, D/A converter module B, switching value
Output module B, heating controller A, heating controller B, heater A, heater B；PLC controls system
System includes gasifying pot internal pressure transmitter, door seal pressure transmitter, PLC Analog input mModule, PLC
Controller, graphic operating terminal, o controller；
After system is run, the inside of the charge cask collected is pressed by described charge cask internal pressure transmitter
Power analogue signal sends analog-to-digital conversion module A, analog-to-digital conversion module A to by the internal pressure mould of charge cask
Intending signal being converted into digital signal and send PID pressure regulator to, PID pressure regulator is according to receiving
Deviation between digital signal and setting value through PID arithmetic output regulation signal to switching controller；Contain simultaneously
Material container outside wall temperature transmitter sends the outside wall temperature analogue signal of the charge cask collected to modulus and turns
The outside wall temperature analogue signal of charge cask is converted into digital signal and passes by die change block B, analog-to-digital conversion module B
Give PID temperature actuator A；
Boot sequence controller afterwards, trigger setting apparatus controls according to the time m-curve of output output set
Signal, to switching controller, triggers switching controller simultaneously, makes program set station and PID temperature actuator A
Connecting composition cascade control system A, program set station output control signal is as PID temperature actuator A's
Setting value；PID temperature actuator A exports control signal according to the digital signal received with program set station
Between deviation through PID arithmetic output regulation signal to D/A converter module A, D/A converter module A will be adjusted
Joint signal is converted to analogue signal and sends heating controller A to, and heating controller A is according to the simulation received
Signal controls the heating power of heater A；When sequence controller runs to the time of technological requirement, sequentially
Controller triggers switching controller, makes PID pressure regulator and PID temperature actuator A connect composition tandem
Regulation system B, makes program set station disconnect with PID temperature actuator A, i.e. cascade control system A simultaneously
Disconnect, cascade control system B pass sequentially through D/A converter module A, heating controller A controls heater
The heating power of A；
When charge cask internal pressure transmitter gathers the internal pressure of charge cask, airway temperature pick-up
Device gathers airway temperature analog signal and is transferred to analog-to-digital conversion module C, and analog-to-digital conversion module C will
Airway temperature analog signal is converted to digital signal and sends PID temperature actuator B, PID temperature actuator to
B carries out PID arithmetic output regulation signal to number according to the deviation between the digital signal received and setting value
Mould modular converter B, D/A converter module B exports to computer heating control after regulation signal is converted into analogue signal
Device B, heating controller B control the heating power of heater B according to the analogue signal received；Electricity simultaneously
Flow transmitter A, current transducer B gather phase line current and the neutral line current of heater B respectively, and modulus turns
Phase line current signal is converted to digital signal and sends the chain controller B of protection, analog digital conversion to by die change block D
Neutral line current signal is converted to digital signal and sends the chain controller B of protection to by module E；At heater B
Phase line current and neutral line current when occurring abnormal, protect chain controller B to trigger switching value output module B
Action, makes heating controller B power-off；
After system is run, the internal pressure simulation of the gasifying pot collected is believed by gasifying pot internal pressure transmitter
Number sending PLC Analog input mModule to, the internal pressure of gasifying pot is simulated by PLC Analog input mModule
Signal is converted to digital signal and sends PLC to；The door seal that door seal pressure transmitter will collect simultaneously
Pressure simulation signal sends PLC Analog input mModule to, and PLC Analog input mModule is by door seal pressure mould
Plan signal is converted into digital signal and sends PLC to；PLC is arranged according to graphic operating terminal
Controller bound compare output contact signal respectively with two ways of digital signals, control output control respectively
Device processed drives electromagnetic valve, maintains gasifying pot internal pressure and door seal pressure in the bound set.
UF the most according to claim 16Vaporization automatic control system, it is characterised in that: described modulus
Protected chain controller is set gradually between outfan and the input of heating controller A of modular converter B
A and switching value output module A, when the outside wall temperature numeral letter of the charge cask of analog-to-digital conversion module B output
When number exceeding security restriction value, protect chain controller A to trigger switching value output module A action, make heating
Controller A power-off.
3. one kind based on UF described in claim 16The UF of vaporization automatic control system6The vaporization side of automatically controlling
Method, it is characterised in that: after system is run, the charge that described charge cask internal pressure transmitter will collect
The internal pressure analogue signal of container sends analog-to-digital conversion module A to, and analog-to-digital conversion module A is by charge cask
Internal pressure analogue signal be converted into digital signal and send PID pressure regulator, PID pressure regulator to
Conversion control is given through PID arithmetic output regulation signal according to the deviation between the digital signal received and setting value
Device processed；The outside wall temperature analogue signal of charge cask that charge cask outside wall temperature transmitter will collect simultaneously
Send analog-to-digital conversion module B, analog-to-digital conversion module B to the outside wall temperature analogue signal of charge cask to be changed
Digital signal is become to send PID temperature actuator A to；
Boot sequence controller afterwards, trigger setting apparatus controls according to the time m-curve of output output set
Signal, to switching controller, triggers switching controller simultaneously, makes program set station and PID temperature actuator A
Connecting composition cascade control system A, program set station output control signal is as PID temperature actuator A's
Setting value；PID temperature actuator A exports control signal according to the digital signal received with program set station
Between deviation through PID arithmetic output regulation signal to D/A converter module A, D/A converter module A will be adjusted
Joint signal is converted to analogue signal and sends heating controller A to, and heating controller A is according to the simulation received
Signal controls the heating power of heater A；When sequence controller runs to the time of technological requirement, sequentially
Controller triggers switching controller, makes PID pressure regulator and PID temperature actuator A connect composition tandem
Regulation system B, makes program set station disconnect with PID temperature actuator A, i.e. cascade control system A simultaneously
Disconnect, cascade control system B pass sequentially through D/A converter module A, heating controller A controls heater
The heating power of A；
When charge cask internal pressure transmitter gathers the internal pressure of charge cask, airway temperature pick-up
Device gathers airway temperature analog signal and is transferred to analog-to-digital conversion module C, and analog-to-digital conversion module C will
Airway temperature analog signal is converted to digital signal and sends PID temperature actuator B, PID temperature actuator to
B carries out PID arithmetic output regulation signal to number according to the deviation between the digital signal received and setting value
Mould modular converter B, D/A converter module B exports to computer heating control after regulation signal is converted into analogue signal
Device B, heating controller B control the heating power of heater B according to the analogue signal received；Electricity simultaneously
Flow transmitter A, current transducer B gather phase line current and the neutral line current of heater B respectively, and modulus turns
Phase line current signal is converted to digital signal and sends the chain controller B of protection, analog digital conversion to by die change block D
Neutral line current signal is converted to digital signal and sends the chain controller B of protection to by module E；At heater B
Phase line current and neutral line current when occurring abnormal, protect chain controller B to trigger switching value output module B
Action, makes heating controller B power-off；
After system is run, the internal pressure simulation of the gasifying pot collected is believed by gasifying pot internal pressure transmitter
Number sending PLC Analog input mModule to, the internal pressure of gasifying pot is simulated by PLC Analog input mModule
Signal is converted to digital signal and sends PLC to；The door seal that door seal pressure transmitter will collect simultaneously
Pressure simulation signal sends PLC Analog input mModule to, and PLC Analog input mModule is by door seal pressure mould
Plan signal is converted into digital signal and sends PLC to；PLC is arranged according to graphic operating terminal
Controller bound compare output contact signal respectively with two ways of digital signals, control output control respectively
Device processed drives electromagnetic valve, maintains gasifying pot internal pressure and door seal pressure in the bound set.
UF the most according to claim 36Vaporization autocontrol method, it is characterised in that: described modulus
Protected chain controller is set gradually between outfan and the input of heating controller A of modular converter B
A and switching value output module A, when the outside wall temperature numeral letter of the charge cask of analog-to-digital conversion module B output
When number exceeding security restriction value, protect chain controller A to trigger switching value output module A action, make heating
Controller A power-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473154.3A CN103838188B (en) | 2012-11-20 | 2012-11-20 | UF6vaporization automatic control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210473154.3A CN103838188B (en) | 2012-11-20 | 2012-11-20 | UF6vaporization automatic control system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103838188A CN103838188A (en) | 2014-06-04 |
| CN103838188B true CN103838188B (en) | 2016-12-21 |
Family
ID=50801816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210473154.3A Active CN103838188B (en) | 2012-11-20 | 2012-11-20 | UF6vaporization automatic control system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103838188B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499089B (en) * | 2018-10-31 | 2021-05-11 | 中国核电工程有限公司 | Device for converting solid uranium hexafluoride into gaseous uranium hexafluoride |
| CN109688638B (en) * | 2018-12-21 | 2024-06-18 | 镇江东方电热有限公司 | Automatic control system and control method for multistage series electric heating device |
| CN113126670A (en) * | 2021-03-31 | 2021-07-16 | 武汉益邦汽车技术有限公司 | Control method and system for LPG vaporizing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6113321A (en) * | 1984-06-29 | 1986-01-21 | Toshiba Corp | Decentralized power supply controlling system |
| JPH0916554A (en) * | 1995-07-04 | 1997-01-17 | Mitsubishi Electric Corp | Decentralized simulation device |
| CN101441459B (en) * | 2008-12-22 | 2011-01-19 | 大亚湾核电运营管理有限责任公司 | Nuclear power station main pump operation monitoring system |
| CN101740153A (en) * | 2009-12-01 | 2010-06-16 | 中国广东核电集团有限公司 | Device and system for monitoring and displaying normal operating condition of unit of nuclear power plant |
| CN102156449B (en) * | 2010-12-10 | 2013-01-16 | 中国广东核电集团有限公司 | Method and system for digitalizing overall program of nuclear power plant and digital control system (DCS) control system |
-
2012
- 2012-11-20 CN CN201210473154.3A patent/CN103838188B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103838188A (en) | 2014-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103838188B (en) | UF6vaporization automatic control system and control method | |
| CN105858577B (en) | Liquid bitumen storage, entrucking process cleans type fume collection processing method and system | |
| CN204880153U (en) | Novel vacuum water sealed tank | |
| CN203752307U (en) | Intelligentized steam curing system | |
| CN104962299A (en) | Biomass pyrolysis charcoal discharging cooling device | |
| CN204028729U (en) | Temperature and Humidity Control ventilation unit | |
| CN110788979B (en) | Wireless intelligent temperature control maintenance system and method for long-slope panel concrete | |
| CN104570886A (en) | Silo safety monitoring system | |
| CN103131858B (en) | Tungsten-base alloy waste material recovery furnace | |
| CN202836337U (en) | Automatic temperature control system of cooling tower | |
| CN106155125A (en) | A kind of control system based on still kettle waste heat recovery | |
| CN205260252U (en) | Gas cylinder vacuum adds heat treatment device | |
| CN101806639A (en) | Method for improving high-temperature insulated resistance of armored thermocouple | |
| CN204202157U (en) | A kind of explosion-proof nitrogen heater | |
| CN204404799U (en) | A kind of sintering furnace automatic discharge apparatus | |
| CN202473411U (en) | Intelligent cable degassing device | |
| CN202893631U (en) | Infrared high-temperature and high-humidity liquid silicone rubber fast curing device | |
| CN207066161U (en) | The automaton that valve is run in a kind of adobe burning equipment | |
| CN202599331U (en) | Resistance strain gage-used UV glue cover surface and manual/automatic glue spraying and curing system thereof | |
| CN204963231U (en) | Electric water heater along with ambient temperature adaptive control heating temperature upper limit | |
| CN203461977U (en) | Cold isostatic pressure outdoor rod-shaped strut porcelain insulator glazing device | |
| CN105108068A (en) | Sand mold heating device for metal pattern | |
| CN204922208U (en) | Defeated material pipeline valve gate's heat preservation rising temperature device | |
| CN201623430U (en) | Heat wind servicing and micro-positive pressure control system | |
| CN109279363A (en) | A kind of device and method directly to feed intake from Class C area to Class A area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |