CN110318070A - Adiponitrile electrolytic cell safety instrument control system and control method - Google Patents
Adiponitrile electrolytic cell safety instrument control system and control method Download PDFInfo
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- CN110318070A CN110318070A CN201910754710.6A CN201910754710A CN110318070A CN 110318070 A CN110318070 A CN 110318070A CN 201910754710 A CN201910754710 A CN 201910754710A CN 110318070 A CN110318070 A CN 110318070A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/29—Coupling reactions
- C25B3/295—Coupling reactions hydrodimerisation
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- Automation & Control Theory (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention relates to a kind of adiponitrile electrolytic cell safety instrument control system and control methods, belong to safety instrument control system technical field.The present invention includes electrolytic cell commutation system, tail gas absorption Tower System, instrument air system, circulation, electrolytic cell acrylonitrile feed liquor system, electrolytic cell dropping liquid feed liquor system, and the invention also includes interlocking assemblies；The interlocking assembly receives voltage detection circuit, current detection circuit, electromagnetic detection circuit, hydrogen content analysis circuit, pressure transmitter circuit I, any triggering interlocking signal in pressure transmitter circuit II, then interlocking close pneumatic cut-off valve circuit I, pneumatic cut-off valve circuit II.The present invention uses safety instrumented systems (SIS), constitutes interlock circuit, realizes the safety interlocking of acrylonitrile electrolysis slot, keeps whole system in a safe condition.
Description
Technical field
The present invention relates to a kind of adiponitrile electrolytic cell safety instrument control system and control methods, belong to safety instrument control
Systems technology field.
Background technique
In acrylonitrile electrolysis legal system adiponitrile electrowinning process, make quasi- electrolyte using electrolyte circulating pump (P101A-P)
It circulates in the entire system.Rectifying is returned into acrylonitrile in oily phase and tank field tower absorbs after water is incorporated to acrylonitrile delivery pump
General pipeline on and fresh acrylonitrile injected in blender (M101A-H, 40 DEG C, 0.55MPa) together.Rectifying returns to the water in water phase
On general pipeline after being mutually incorporated to dropping liquid delivery pump and dropping liquid injects blender by delivery pump to enter electrolysis system together.It adjusts
Flow before each electrolytic cell, to guarantee to reach 300m3/h or so by the flow of electrolyte of each electrolytic cell.By adjusting electrolyte
The steam consumption of heater (E105A-H), makes the temperature of electrolyte rise to 40 DEG C or so, one by one to each electrolytic cell input direct-current
Electric (total current 37500A ± 2500A, total voltage 120V ± 6V) starts to be electrolysed.
Wherein, reaction equation:
Summary of the invention
In view of the foregoing defects the prior art has, the invention proposes a kind of controls of adiponitrile electrolytic cell safety instrument is
System and control method, in electrolytic cell commutation system, electrolyte feed liquor system, tail gas absorption Tower System, instrument air system, circulation
The corresponding detection instrument of water system setting and stop valve constitute interlock circuit, realization propylene using safety instrumented systems (SIS)
The safety interlocking of nitrile electrolytic cell keeps whole system in a safe condition.
Adiponitrile electrolytic cell safety instrument control system of the present invention, including electrolytic cell commutation system, tail gas absorption
Tower System, instrument air system, circulation, electrolytic cell acrylonitrile feed liquor system, electrolytic cell dropping liquid feed liquor system, it is special
Sign is, further includes interlocking assembly；
The electrolytic cell commutation system further include:
Voltage detection circuit: by tank voltage detection module, high limit/lower bound alarm module, high limit/lower bound interlocking modules
It is sequentially connected in series；
Current detection circuit: it is connected by cell current detection module, high limit alarm module, then electric with high interlocking modules, slot
The high limit interlocking modules of stream fluctuation are formed in parallel；
Electromagnetic detection circuit: being sequentially connected in series by electromagnetic flowmeter module, lower bound alarm module, lower bound interlocking modules and
At；
The tail gas absorption Tower System further include:
Hydrogen content analysis circuit: it is successively gone here and there by hydrogen content analysis module, high limit alarm module, high limit interlocking modules
Join；
The instrument air system further include:
Pressure transmitter circuit I: it is sequentially connected in series by pressure transmitter module, lower bound alarm module, lower bound interlocking modules
It forms；
The circulation further include:
Pressure transmitter circuit II: it is sequentially connected in series by pressure transmitter module, lower bound alarm module, lower bound interlocking modules
It forms；
The electrolytic cell acrylonitrile feed liquor system further include:
Pneumatic cut-off valve circuit I: it is sequentially connected in series by pneumatic cut-off valve module, pneumatic cut-off valve solenoid valve module；
The electrolytic cell dropping liquid feed liquor system further include:
Pneumatic cut-off valve circuit II: it is sequentially connected in series by pneumatic cut-off valve module, pneumatic cut-off valve solenoid valve module；
The interlocking assembly receives voltage detection circuit, current detection circuit, electromagnetic detection circuit, hydrogen content analysis
Circuit, pressure transmitter circuit I, any triggering interlocking signal in pressure transmitter circuit II, then interlocking close is pneumatically cut off
Valve circuit I, pneumatic cut-off valve circuit II.
Preferably, in the voltage detection circuit, cell current detection module is that tank voltage detects instrument EZTA001, signal
From commutation system；High limit/lower bound alarm module is EZIAA001 high limit/low level alarm, high limit/lower bound interlocking modules
For the high limit/lower bound interlocker of EZASA001 high.
Preferably, in the current detection circuit, cell current detection module is cell current detector Table I ZTA001, signal
From commutation system；High limit alarm module is high limit alarm IZIAA001, and high interlocking modules are IZASA001 high Gao Liansuo
Device, the high limit interlocking modules of cell current fluctuation are the high limit interlocker IDZASA001 of cell current fluctuation.
Preferably, in the electromagnetic detection circuit, electromagnetic flowmeter module is electromagnetic flowmeter FZT103, lower bound alarm mould
Block is low level alarm FZIA103, and lower bound interlocking modules are lower bound interlocker FZAS103.
Preferably, in the hydrogen content analysis circuit, hydrogen content analysis module is hydrogen content analyzer
AZT102A, high limit alarm module are high limit alarm AZIA102A, and high limit interlocking modules limit interlocker to be high
AZAS102A。
Preferably, in the pressure transmitter circuit I, pressure transmitter module is pressure transmitter PZT296, lower bound report
Alert module is low level alarm PZIA296, and lower bound interlocking modules are that lower bound interlocks PZSA296.
Preferably, in the pressure transmitter circuit II, pressure transmitter module is pressure transmitter PZT298, lower bound report
Alert module is low level alarm PZIA298, and lower bound interlocking modules are that lower bound interlocks PZSA298.
Preferably, in the pneumatic cut-off valve circuit I, pneumatic cut-off valve module is pneumatic cut-off valve XV101A, is pneumatically cut
Disconnected valve solenoid valve module is pneumatic cut-off valve solenoid valve XZV101A-1/101A-2.
Preferably, in the pneumatic cut-off valve circuit II, pneumatic cut-off valve module is pneumatic cut-off valve XV102A, is pneumatically cut
Disconnected valve solenoid valve module is pneumatic cut-off valve solenoid valve XZV102A-1/102A-2.
The control method of adiponitrile electrolytic cell safety instrument control system of the present invention, includes the following steps:
The electrolytic cell commutation system setting electrolytic bath voltage height limits, lower bound is alarmed, high limit, lower bound interlocking；
The electrolytic cell commutation system setting electrolytic bath electric current height limits alarm, high limit interlocking；
The electrolytic cell commutation system setting current fluctuation height limits alarm, the high limit interlocking of fluctuation；
The electrolytic cell commutation system setting electrolyte feed liquor flow lower bound is alarmed, lower bound interlocking；
The tail gas absorption Tower System setting hydrogen content detects high limit alarm, high limit interlocking；
The instrument air system setting instrument air pressure low limit is alarmed, lower bound interlocking；
Water pressure pressure low limit alarm on the circulation setting recirculated water, lower bound interlocking；
The interlocking assembly I001 interlocking uses or logic, and any of the above-described condition meets triggering interlocking, interlocking close electricity
Solve the pneumatic cut-off valve circuit I of slot acrylonitrile feed liquor system, the pneumatic cut-off valve of interlocking close electrolytic cell dropping liquid feed liquor system
Circuit II.
The beneficial effects of the present invention are: adiponitrile electrolytic cell safety instrument control system of the present invention and controlling party
Method, by electrolytic cell commutation system, electrolyte feed liquor system, tail gas absorption Tower System, instrument air system, circulation
The corresponding detection instrument of setting and stop valve constitute interlock circuit, realization acrylonitrile electrolysis using safety instrumented systems (SIS)
The safety interlocking of slot keeps whole system in a safe condition.
Detailed description of the invention
Fig. 1 is technological process of production block diagram of the invention.
Fig. 2 is the production technological process of electrolytic cell commutation system.
Fig. 3 is the production technological process of tail gas absorption Tower System.
Fig. 4 is the production technological process of instrument air system.
Fig. 5 is the production technological process of circulation.
Fig. 6 is the production technological process of electrolytic cell acrylonitrile feed liquor system and electrolytic cell dropping liquid feed liquor system.
In figure: 1, interlocking assembly；2, electrolytic cell commutation system；21, voltage detection circuit；22, current detection circuit；23,
Electromagnetic detection circuit；3, tail gas absorption Tower System；31, hydrogen content analysis circuit；4, instrument air system；41, pressure inverting
Device circuit I；5, circulation；51, pressure transmitter circuit II；6, electrolytic cell acrylonitrile feed liquor system；61, pneumatic cut-off valve
Circuit I；7, electrolytic cell dropping liquid feed liquor system；71, pneumatic cut-off valve circuit II.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
As shown in Figures 1 to 6, the object of the present invention is to provide a kind of acrylonitrile electrolysis legal system adiponitrile electrolytic cell safe instruments
Table control system and control method, in electrolytic cell commutation system 2, electrolyte feed liquor system, tail gas absorption Tower System 3, instrument supply gas
Corresponding detection instrument and stop valve is arranged in source system 4, circulation 5, using safety instrumented systems (SIS), constitutes interlocking
Circuit realizes the safety interlocking of acrylonitrile electrolysis slot, keeps whole system in a safe condition.
The present invention provides a kind of acrylonitrile electrolysis legal system adiponitrile electrolytic cell safety instrument control systems, including electrolytic cell
Tank voltage alarm, interlocking, the alarm of electrolytic bath electric current, interlocking, the alarm of electrolytic bath current fluctuation amplitude, interlocking, electrolyzer electric
Liquid feed liquor flow alarm function, interlocking are solved, the detection of 3 hydrogen content of tail gas absorption Tower System, interlocks alarm, instrument air pressure alarm,
It interlocks, the measures such as water pressure alarm, interlocking on recirculated water.
Adiponitrile electrolytic cell safety instrument control system of the present invention, including electrolytic cell commutation system 2, tail gas absorption
Tower System 3, instrument air system 4, circulation 5, electrolytic cell acrylonitrile feed liquor system 6, electrolytic cell dropping liquid feed liquor system
7, which is characterized in that further include interlocking assembly 1；
As shown in Fig. 2, the electrolytic cell commutation system 2 further include:
Voltage detection circuit 21: mould is interlocked by tank voltage detection module, high limit/lower bound alarm module, high limit/lower bound
Block is sequentially connected in series；
Current detection circuit 22: by cell current detection module, high limit alarm module series connection, then with high interlocking modules, slot
The high limit interlocking modules of current fluctuation are formed in parallel；
Electromagnetic detection circuit 23: being sequentially connected in series by electromagnetic flowmeter module, lower bound alarm module, lower bound interlocking modules and
At；
As shown in Fig. 2, the tail gas absorption Tower System 3 further include:
Hydrogen content analysis circuit 31: successively by hydrogen content analysis module, high limit alarm module, high limit interlocking modules
It is connected in series；
As shown in figure 4, the instrument air system 4 further include:
Pressure transmitter circuit I 41: it is successively gone here and there by pressure transmitter module, lower bound alarm module, lower bound interlocking modules
Join；
As shown in figure 5, the circulation 5 further include:
Pressure transmitter circuit II 51: it is successively gone here and there by pressure transmitter module, lower bound alarm module, lower bound interlocking modules
Join；
As shown in fig. 6, the electrolytic cell acrylonitrile feed liquor system 6 further include:
Pneumatic cut-off valve circuit I 61: it is sequentially connected in series by pneumatic cut-off valve module, pneumatic cut-off valve solenoid valve module；
As shown in fig. 6, the electrolytic cell dropping liquid feed liquor system 7 further include:
Pneumatic cut-off valve circuit II 71: it is sequentially connected in series by pneumatic cut-off valve module, pneumatic cut-off valve solenoid valve module；
The principle of the present invention is: the interlocking assembly 1 receives voltage detection circuit 21, current detection circuit 22, electromagnetism
Measure loop 23, hydrogen content analysis circuit 31, pressure transmitter circuit I 41, any touching in pressure transmitter circuit II 51
Interlocking signal is sent out, then interlocking close pneumatic cut-off valve circuit I 61, pneumatic cut-off valve circuit II 71.
Specifically, in Fig. 2, in the voltage detection circuit 21, cell current detection module is that tank voltage detects instrument
EZTA001, signal come from commutation system；High limit/lower bound alarm module is EZIAA001 high limit/low level alarm, high limit/low
Lower bound interlocking modules are the high limit/lower bound interlocker of EZASA001 high.
In the current detection circuit 22, cell current detection module is cell current detector Table I ZTA001, and signal is from whole
Streaming system；High limit alarm module is high limit alarm IZIAA001, and high interlocking modules are the high interlocker of IZASA001 high, slot electricity
The high limit interlocking modules of stream fluctuation are the high limit interlocker IDZASA001 of cell current fluctuation.
In the electromagnetic detection circuit 23, electromagnetic flowmeter module is electromagnetic flowmeter FZT103, and lower bound alarm module is
Low level alarm FZIA103, lower bound interlocking modules are lower bound interlocker FZAS103.
Specifically, in Fig. 3, in the hydrogen content analysis circuit 31, hydrogen content analysis module is hydrogen content analysis
Instrument AZT102A, high limit alarm module are high limit alarm AZIA102A, and high limit interlocking modules limit interlocker to be high
AZAS102A。
Specifically, in Fig. 4, in the pressure transmitter circuit I 41, pressure transmitter module is pressure transmitter
PZT296, lower bound alarm module are low level alarm PZIA296, and lower bound interlocking modules are that lower bound interlocks PZSA296.
Specifically, in Fig. 5, in the pressure transmitter circuit II 51, pressure transmitter module is pressure transmitter
PZT298, lower bound alarm module are low level alarm PZIA298, and lower bound interlocking modules are that lower bound interlocks PZSA298.
Specifically, in Fig. 6, in the pneumatic cut-off valve circuit I 61, pneumatic cut-off valve module is pneumatic cut-off valve
XV101A, pneumatic cut-off valve solenoid valve module are pneumatic cut-off valve solenoid valve XZV101A-1/101A-2.
Specifically, in Fig. 6, in the pneumatic cut-off valve circuit II 71, pneumatic cut-off valve module is pneumatic cut-off valve
XV102A, pneumatic cut-off valve solenoid valve module are pneumatic cut-off valve solenoid valve XZV102A-1/102A-2.
Embodiment 2:
The control method of adiponitrile electrolytic cell safety instrument control system of the present invention, includes the following steps:
Electrolytic bath voltage high limit, lower bound alarm is arranged in the electrolytic cell commutation system 2, and high limit, lower bound interlock；
The electrolytic cell commutation system 2 is arranged electrolytic bath electric current height and limits alarm, high limit interlocking；
The electrolytic cell commutation system 2 is arranged current fluctuation height and limits alarm, the high limit interlocking of fluctuation；
The electrolytic cell commutation system 2 is arranged electrolyte feed liquor flow lower bound and alarms, lower bound interlocking；
The tail gas absorption Tower System 3 is arranged hydrogen content and detects high limit alarm, high limit interlocking；
The instrument air system 4 is arranged instrument air pressure low limit and alarms, lower bound interlocking；
Water pressure pressure low limit alarm on recirculated water, lower bound interlocking is arranged in the circulation 5；
The interlocking assembly 1I001 interlocking uses or logic, and any of the above-described condition meets triggering interlocking, interlocking close electricity
The pneumatic cut-off valve circuit I 61 of slot acrylonitrile feed liquor system 6 is solved, interlocking close electrolytic cell dropping liquid feed liquor system 7 is pneumatically cut
Disconnected valve circuit II 71.
Specific control program is described as follows:
This project shares 8 groups of acrylonitrile electrolysis slot commutation systems 2, and every group has 30, electrolytic cell (A001~A030), now with
Electrolytic cell commutation system 2 explains, and the setting of detection, the interlocking of remaining electrolytic cell safety instrumented systems is and electrolytic cell rectification is
It unites 2 identical.
The acrylonitrile electrolysis slot commutation system 2 is arranged tank voltage and alarms, interlocks, the alarm of electrolytic bath electric current, interlocking, electricity
Solve the alarm of slot cell current fluctuating range, interlocking, cell bath feed liquor flow alarm function, interlocking, tail gas absorber hydrogen content
Detection, alarm, interlocking, instrument air pressure alarm interlock, and above six safety are arranged in water pressure alarm, interlocking on recirculated water
Interlock circuit keeps whole system in a safe condition.
Electrolytic bath voltage high limit, lower bound alarm, high limit, lower bound is arranged in the acrylonitrile electrolysis slot commutation system 2
Interlocking；Electrolytic bath electric current height is set in acrylonitrile electrolysis slot commutation system 2 and limits alarm, high limit interlocking；In acrylonitrile electrolysis
Slot commutation system 2 is arranged electrolytic bath current fluctuation height and limits alarm, the high limit interlocking of fluctuation；In acrylonitrile electrolysis slot commutation system
2 setting electrolyte feed liquor flow lower bounds are alarmed, lower bound interlocking；Interlocking uses or logic, and either condition meets triggering interlocking,
Interlock power failure decommutation, the pneumatic cut-off valve circuit I 61 of interlocking close electrolytic cell acrylonitrile feed liquor system 6, interlocking close electrolysis
The pneumatic cut-off valve circuit II 71 of slot dropping liquid feed liquor system 7.
The setting of tail gas absorption Tower System 3 hydrogen content detects high limit and alarms, and it is whole to interlock power failure solution for the high limit interlocking of height
Stream, the pneumatic cut-off valve circuit I 61 of interlocking close electrolytic cell acrylonitrile feed liquor system 6, interlocking close electrolytic cell dropping liquid feed liquor
The pneumatic cut-off valve circuit II 71 of system 7.
The instrument air system 4 is arranged instrument air pressure low limit and alarms, lower bound interlocking；The supply mains on recirculated water
Water pressure lower bound alarm on recirculated water, lower bound interlocking are set；Interlocking uses or logic, and either condition meets triggering interlocking,
Interlock power failure decommutation, the pneumatic cut-off valve circuit I 61 of interlocking close electrolytic cell acrylonitrile feed liquor system 6, interlocking close electrolysis
The pneumatic cut-off valve circuit II 71 of slot dropping liquid feed liquor system 7.
The present invention can be widely used in safety instrument control system occasion.
It is related to circuit and electronic component and module is the prior art, those skilled in the art may be implemented completely,
Without superfluous words, the content that the present invention protects is not related to the improvement for software and method yet.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of adiponitrile electrolytic cell safety instrument control system, including electrolytic cell commutation system (2), tail gas absorption Tower System
(3), instrument air system (4), circulation (5), electrolytic cell acrylonitrile feed liquor system (6), electrolytic cell dropping liquid feed liquor system
It unites (7), which is characterized in that further include interlocking assembly (1)；
The electrolytic cell commutation system (2) further include:
Voltage detection circuit (21): by tank voltage detection module, high limit/lower bound alarm module, high limit/lower bound interlocking modules
It is sequentially connected in series；
Current detection circuit (22): it is connected by cell current detection module, high limit alarm module, then electric with high interlocking modules, slot
The high limit interlocking modules of stream fluctuation are formed in parallel；
Electromagnetic detection circuit (23): being sequentially connected in series by electromagnetic flowmeter module, lower bound alarm module, lower bound interlocking modules and
At；
The tail gas absorption Tower System (3) further include:
Hydrogen content analysis circuit (31): it is successively gone here and there by hydrogen content analysis module, high limit alarm module, high limit interlocking modules
Join；
The instrument air system (4) further include:
Pressure transmitter circuit I (41): it is sequentially connected in series by pressure transmitter module, lower bound alarm module, lower bound interlocking modules
It forms；
The circulation (5) further include:
Pressure transmitter circuit II (51): it is sequentially connected in series by pressure transmitter module, lower bound alarm module, lower bound interlocking modules
It forms；
The electrolytic cell acrylonitrile feed liquor system (6) further include:
Pneumatic cut-off valve circuit I (61): it is sequentially connected in series by pneumatic cut-off valve module, pneumatic cut-off valve solenoid valve module；
The electrolytic cell dropping liquid feed liquor system (7) further include:
Pneumatic cut-off valve circuit II (71): it is sequentially connected in series by pneumatic cut-off valve module, pneumatic cut-off valve solenoid valve module；
The interlocking assembly (1) receive voltage detection circuit (21), current detection circuit (22), electromagnetic detection circuit (23),
Hydrogen content analysis circuit (31), pressure transmitter circuit I (41), any triggering interlocking in pressure transmitter circuit II (51)
Signal, then interlocking close pneumatic cut-off valve circuit I (61), pneumatic cut-off valve circuit II (71).
2. adiponitrile electrolytic cell safety instrument control system according to claim 1, which is characterized in that the voltage detecting
In circuit (21), cell current detection module is that tank voltage detects instrument EZTA001, and signal comes from commutation system；High limit/lower bound report
Alert module is EZIAA001 high limit/low level alarm, and high limit/lower bound interlocking modules are the high limit of EZASA001 high/low lower bound
Interlocker.
3. adiponitrile electrolytic cell safety instrument control system according to claim 1, which is characterized in that the current detecting
In circuit (22), cell current detection module is cell current detector Table I ZTA001, and signal comes from commutation system；High limit alarm mould
Block is high limit alarm IZIAA001, and high interlocking modules are the high interlocker of IZASA001 high, the high limit interlocking of cell current fluctuation
Module is the high limit interlocker IDZASA001 of cell current fluctuation.
4. adiponitrile electrolytic cell safety instrument control system according to claim 1, which is characterized in that the electromagnetic detection
In circuit (23), electromagnetic flowmeter module is electromagnetic flowmeter FZT103, and lower bound alarm module is low level alarm FZIA103,
Lower bound interlocking modules are lower bound interlocker FZAS103.
5. adiponitrile electrolytic cell safety instrument control system according to claim 1, which is characterized in that the hydrogen content
In analysis circuit (31), hydrogen content analysis module is hydrogen content analyzer AZT102A, and high limit alarm module is high limit alarm
Device AZIA102A, high limit interlocking modules, which are that height is high, limits interlocker AZAS102A.
6. adiponitrile electrolytic cell safety instrument control system according to claim 1, which is characterized in that the pressure inverting
In device circuit I (41), pressure transmitter module is pressure transmitter PZT296, and lower bound alarm module is low level alarm
PZIA296, lower bound interlocking modules are that lower bound interlocks PZSA296.
7. adiponitrile electrolytic cell safety instrument control system according to claim 1, which is characterized in that the pressure inverting
In device circuit II (51), pressure transmitter module is pressure transmitter PZT298, and lower bound alarm module is low level alarm
PZIA298, lower bound interlocking modules are that lower bound interlocks PZSA298.
8. adiponitrile electrolytic cell safety instrument control system according to claim 1, which is characterized in that the pneumatic cutting
In valve circuit I (61), pneumatic cut-off valve module is pneumatic cut-off valve XV101A, and pneumatic cut-off valve solenoid valve module is pneumatic cutting
Valve solenoid valve XZV101A-1/101A-2.
9. adiponitrile electrolytic cell safety instrument control system according to claim 1, which is characterized in that the pneumatic cutting
In valve circuit II (71), pneumatic cut-off valve module is pneumatic cut-off valve XV102A, and pneumatic cut-off valve solenoid valve module is pneumatically to cut
Disconnected valve solenoid valve XZV102A-1/102A-2.
10. a kind of controlling party of adiponitrile electrolytic cell safety instrument control system described in -9 any one according to claim 1
Method, which comprises the steps of:
Electrolytic cell commutation system (2) the setting electrolytic bath voltage height limits, lower bound is alarmed, high limit, lower bound interlocking；
Electrolytic cell commutation system (2) the setting electrolytic bath electric current height limits alarm, high limit interlocking；
Electrolytic cell commutation system (2) the setting current fluctuation height limits alarm, the high limit interlocking of fluctuation；
Electrolytic cell commutation system (2) the setting electrolyte feed liquor flow lower bound is alarmed, lower bound interlocking；
Tail gas absorption Tower System (3) the setting hydrogen content detects high limit alarm, high limit interlocking；
Instrument air system (4) the setting instrument air pressure low limit is alarmed, lower bound interlocking；
Water pressure pressure low limit alarm on circulation (5) the setting recirculated water, lower bound interlocking；
Interlocking assembly (1) the I001 interlocking uses or logic, and any of the above-described condition meets triggering interlocking, interlocking close electrolysis
The pneumatic cut-off valve circuit I (61) of slot acrylonitrile feed liquor system (6), the gas of interlocking close electrolytic cell dropping liquid feed liquor system (7)
Dynamic stop valve circuit II (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754710.6A CN110318070A (en) | 2019-08-15 | 2019-08-15 | Adiponitrile electrolytic cell safety instrument control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910754710.6A CN110318070A (en) | 2019-08-15 | 2019-08-15 | Adiponitrile electrolytic cell safety instrument control system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110318070A true CN110318070A (en) | 2019-10-11 |
Family
ID=68126202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910754710.6A Withdrawn CN110318070A (en) | 2019-08-15 | 2019-08-15 | Adiponitrile electrolytic cell safety instrument control system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110318070A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621990A (en) * | 2021-08-03 | 2021-11-09 | 中国船舶重工集团公司第七一八研究所 | Safety instrument system of water electrolysis hydrogen production equipment |
-
2019
- 2019-08-15 CN CN201910754710.6A patent/CN110318070A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621990A (en) * | 2021-08-03 | 2021-11-09 | 中国船舶重工集团公司第七一八研究所 | Safety instrument system of water electrolysis hydrogen production equipment |
| CN113621990B (en) * | 2021-08-03 | 2022-10-21 | 中国船舶重工集团公司第七一八研究所 | Safety instrument system of water electrolysis hydrogen production equipment |
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