CN104214123B - The linkage control device of a kind of double-compressor and method - Google Patents
The linkage control device of a kind of double-compressor and method Download PDFInfo
- Publication number
- CN104214123B CN104214123B CN201310220312.9A CN201310220312A CN104214123B CN 104214123 B CN104214123 B CN 104214123B CN 201310220312 A CN201310220312 A CN 201310220312A CN 104214123 B CN104214123 B CN 104214123B
- Authority
- CN
- China
- Prior art keywords
- valve
- controller
- compressor
- fresh air
- connects
- 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
Abstract
The present invention relates to a kind of linkage control device and the method for double-compressor；Fresh air compressor connects PdV01 valve, FV03 valve, PdC01 differential pressure controller, FV01 valve and FC01 flow controller；The FV03 valve other end connects the second surge-proofing controller B, and the second surge-proofing controller B other end connects differential pressure controller and FV01 valve and FC01 flow controller；Recycle gas compressor connects FV02 valve, the first surge-proofing controller A and R01 blending tank；R01 blending tank connects differential pressure controller and the other end of FV01 valve；One end of FV01 valve connects FC01 flow controller；The other end of FC01 flow controller connects oxygen concentration controller；The other end of oxygen concentration controller exports after being connected with the other end of R01 blending tank；This control program can the operation of two units of effective coordination, it is to avoid compressor safety valve jumping up injures unit.
Description
Technical field
The present invention relates to a kind of linkage control device and the method for double-compressor, belong to cracking of oil technical field.
Background technology
Use the cyclohexane oxidation process without catalyst to produce Hexalin, Ketohexamethylene, Hexalin and Ketohexamethylene and be called for short alcohol ketone.Raw
During product, oxygen denuded air used by oxidation reactor is to be carried with virgin gas compressor C02 collaborative work by recycle gas compressor C01
Confession.The oxygen content of gaseous mixture is monitored by in-line analyzer AC01.Under normal duty, circulating flow rate is constant, according to gaseous mixture
Oxygen content regulates the flow of fresh air, it is ensured that produce even running.Lean Control for Oxygen Content uses bunch grade adjustment, and principal parameter is
The oxygen content of gaseous mixture, pays the flow that parameter is fresh air.This cascade control system needs operation the most careful when putting into operation
Cautiously, slightly suddenly tail oxygen amount will be caused too high and cause interlock shutdown.
Surge is the inherent character of centrifugal compressor, and two centrifugal compressors have Anti-surge Control system independent of one another
System, when fluctuation or load adjustment, the control of two units just clashes, and causes the significantly ripple of flow and pressure
Moving, safety valve jumping up, unit vibration displacement is transfinited, and serious threat safety in production and unit safety even cause device to stop.
Summary of the invention
It is an object of the invention to provide a kind of linkage control device and the method for double-compressor.At two centrifugal compressors
Outlet one pressure regulator is set, control the inlet valve aperture of virgin gas compressor with its pressure reduction, alleviate anti-in advance
The load of surge control system, thus reduce the injury to unit, improve the coordinated operation situation of two units, it is to avoid producing
When fluctuation or load adjustment, two unit allocation clash.
The linkage control device of a kind of double-compressor of the present invention: fresh air compressor 1 connect PdV01 valve 11,
FV03 valve 10, PdC01 differential pressure controller 6, FV01 valve 7 and FC01 flow controller 8；FV03 valve 10 other end connects the second anti-asthma
Shake controller B4, and the second surge-proofing controller B4 other end connects differential pressure controller 6 and FV01 valve 7 and FC01 flow controller 8；
Recycle gas compressor 2 connects FV02 valve the 12, first surge-proofing controller A3 and R01 blending tank 5；R01 blending tank 5 is even
Connect the other end of differential pressure controller 6 and FV01 valve 7；
One end of FV01 valve 7 connects FC01 flow controller 8；The other end of FC01 flow controller 8 connects oxygen concentration control
Device 9 processed；The other end of oxygen concentration controller 9 exports after being connected with the other end of R01 blending tank 5.
The inter-linked controlling method of a kind of double-compressor of the present invention, containing following steps；
First surge-proofing controller A3 controls FV02 valve 12 makes recycle gas compressor 2 even running (normal production cycle gas
Amount keeps constant), it is ensured that circulation of tail gas injects R01 blending tank 5；Second surge-proofing controller B4 controls FV03 valve 10 makes fresh sky
Air compressor 1 even running；
AC01 oxygen concentration controller 9 regulates fresh air injection rate according to R01 blending tank 5 outlet oxygen concentration of detection
(set-point of regulation FC01)；
The air inlet that PdC01 differential pressure controller 6 regulates fresh air compressor 1 according to the pressure reduction of virgin gas Yu circulating air is born
Lotus, energy-conservation stable yields；
Before and after fresh air inlet valve 7, respectively take a pressure tap introduce a differential pressure transmitter 14, measure fresh sky
Air compressor and the outlet pressure reduction of recycle gas compressor；
When normally steadily producing, this pressure reduction controls at 0.05 ∽ 0.15MPa；When load adjustment need to increase flow of fresh air
Amount, or when PdC01 differential pressure controller 6 reduces, make PdV01 valve 11 automatically open greatly by being automatically adjusted, vice versa；
When interlocking action causes closing FV01 valve 7 and do not stops fresh air compressor 1, fresh air compressor 1 exports wink
Between increase, relief valve 13 take-off, anti-asthma valve 10 is opened；
If but PdC01 differential pressure controller 6 responds according to pressure reduction, quickly turns down the PdV01 valve 11 of fresh air compressor 1,
Alleviate fresh air compressor 1 load, alleviate the discharge capacity of FV03, it is to avoid safety valve jumping up simultaneously.
It is an advantage of the invention that after putting into production, hence it is evident that improve system running quality.
Accompanying drawing explanation
The linkage control device structural representation of Fig. 1 double-compressor.
Detailed description of the invention
Embodiment 1:
As it is shown in figure 1, the linkage control device of a kind of double-compressor, fresh air compressor 1 connect PdV01 valve 11,
FV03 valve 10, PdC01 differential pressure controller 6, FV01 valve 7 and FC01 flow controller 8；FV03 valve 10 other end connects the second anti-asthma
Shake controller B4, and the second surge-proofing controller B4 other end connects differential pressure controller 6 and FV01 valve 7 and FC01 flow controller 8；
Recycle gas compressor 2 connects FV02 valve the 12, first surge-proofing controller A3 and R01 blending tank 5；R01 blending tank 5 is even
Connect the other end of differential pressure controller 6 and FV01 valve 7；
One end of FV01 valve 7 connects FC01 flow controller 8；The other end of FC01 flow controller 8 connects oxygen concentration control
Device 9 processed；The other end of oxygen concentration controller 9 exports after being connected with the other end of R01 blending tank 5.
Fresh air compressor 1 uses C02 model, REATU company of France to produce；
Recycle gas compressor 2 uses C0 model, REATU company of France to produce；
First surge-proofing controller A3 uses recycle gas compressor anti-surge；The KMM intelligence that Sichuan instrument 18 factory produces
Programmable controller；
Second surge-proofing controller B4 uses fresh air compressor anti-surge；The KMM intelligence that Sichuan instrument 18 factory produces
Can programmable controller；
R01 blending tank 5 uses the blending tank of fresh air and circulating air, the blending tank that France JULIN produces；
PdC01 differential pressure controller 6 uses Honeywell DCS company to produce；
FV01 valve 7 uses the flow control valve injecting fresh air to R01；The CO3V211 cage valve that France ADAR produces；
FC01 flow controller 8 uses the flow regulator injecting fresh air to R01, and Honeywell DCS company produces；
AC01 oxygen concentration controller 9 uses to R01 fresh air and circulating air mixed oxygen concentration testing actuator, suddenly
Ni Weier DCS company produces；
FV03 valve 10 uses the anti-asthma atmospheric valve of fresh air compressor C02；The 37-20521 that France's Maximilian produces
Single-seat valve；
PdV01 valve 11 uses the intake valve of fresh air compressor C02；The S.M.37 6A3 butterfly that France's Maximilian produces
Valve；
FV02 valve 12 uses the anti-asthma reflux inlet of recycle gas compressor C01；The 37-20521 that France's Maximilian produces is mono-
Seat valve；
Recycle gas compressor 2 even running is made (normally to produce as Fig. 1, the first surge-proofing controller A3 control FV02 valve 12
Circulating flow rate keeps constant), it is ensured that circulation of tail gas injects R01 blending tank 5；Second surge-proofing controller B4 controls FV03 valve 10 to be made
Fresh air compressor 1 even running.
AC01 oxygen concentration controller 9 regulates fresh air injection rate according to R01 blending tank 5 outlet oxygen concentration of detection
(set-point of regulation FC01).
The air inlet that PdC01 differential pressure controller 6 regulates fresh air compressor 1 according to the pressure reduction of virgin gas Yu circulating air is born
Lotus, energy-conservation stable yields.
Before and after fresh air inlet valve, respectively take a pressure tap introduce a differential pressure transmitter 14, measure fresh air
Compressor and the outlet pressure reduction of recycle gas compressor.
When normally steadily producing, this pressure reduction controls 0.05～0.15MPa.When load adjustment need to increase flow of fresh air
Amount, or when PdC01 differential pressure controller 6 reduces, make PdV01 valve 11 automatically open greatly by being automatically adjusted, vice versa.
When interlocking action causes closing FV01 valve 7 and do not stops fresh air compressor 1, fresh air compressor 1 exports wink
Between increase, relief valve 13 take-off, anti-asthma valve 10 is opened.
If but PdC01 differential pressure controller 6 responds according to pressure reduction, quickly turns down the PdV01 valve 11 of fresh air compressor 1,
Fresh air compressor 1 load can be alleviated immediately, alleviate the discharge capacity of FV03 simultaneously, reduce and even avoid safety valve jumping up.This
Sample, not only protects unit but also reduce fresh air compressor 1 load, also a saving the energy, and being adjusted by pid parameter, it is new not make
PdV01 valve 11 frequent movement of fresh air compressor 1, the effect that comes into operation is preferable.
Claims (2)
1. the linkage control device of a double-compressor, it is characterised in that: fresh air compressor (1) connection PdV01 valve (11),
FV03 valve (10), PdC01 differential pressure controller (6), FV01 valve (7) and FC01 flow controller (8)；FV03 valve (10) other end is even
Meeting the second surge-proofing controller B (4), second surge-proofing controller B (4) other end connects differential pressure controller (6) and FV01 valve (7)
With FC01 flow controller (8)；
Recycle gas compressor (2) connects FV02 valve (12), the first surge-proofing controller A (3) and R01 blending tank (5)；R01 mixes
Tank (5) connects PdC01 differential pressure controller (6) and the other end of FV01 valve (7)；
One end of FV01 valve (7) connects FC01 flow controller (8)；The other end of FC01 flow controller (8) connects AC01 oxygen
Consistency controller (9)；The other end of AC01 oxygen concentration controller (9) exports after being connected with the other end of R01 blending tank (5).
2. the coordinated signals of the double-compressor of the linkage control device realization using double-compressor as claimed in claim 1
Method, it is characterised in that: containing following steps；
First surge-proofing controller A (3) controls FV02 valve (12) makes the most normal production cycle of recycle gas compressor (2) even running
Tolerance keeps constant, it is ensured that circulation of tail gas injects R01 blending tank (5)；
Second surge-proofing controller B (4) controls FV03 valve (10) makes fresh air compressor (1) even running；
AC01 oxygen concentration controller (9) regulates fresh air injection rate i.e. according to R01 blending tank (5) outlet oxygen concentration of detection
The set-point of regulation FC01 flow controller (8)；
The air inlet that PdC01 differential pressure controller (6) regulates fresh air compressor (1) according to the pressure reduction of virgin gas Yu circulating air is born
Lotus, energy-conservation stable yields；
Respectively take a pressure tap in the outlet of fresh air compressor (1) and the outlet of recycle gas compressor (2) and introduce a difference
Pressure transmitter, measures the outlet pressure reduction of fresh air compressor and recycle gas compressor；
When normally steadily producing, this pressure reduction controls 0.05～0.15MPa；When load adjustment need to increase fresh air flow, or
When PdC01 differential pressure controller (6) reduces, making PdV01 valve (11) automatically open greatly by being automatically adjusted, vice versa；
When interlocking action causes closing FV01 valve (7) and do not stops fresh air compressor (1), fresh air compressor (1) exports
Pressure moment increases, relief valve (13) take-off, and FV03 valve (10) is opened；
If but PdC01 differential pressure controller (6) responds according to pressure reduction, quickly turns down the PdV01 valve of fresh air compressor (1)
(11), alleviate fresh air compressor (1) load, alleviate the discharge capacity of FV03 valve (10), it is to avoid safety valve jumping up simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220312.9A CN104214123B (en) | 2013-06-05 | 2013-06-05 | The linkage control device of a kind of double-compressor and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220312.9A CN104214123B (en) | 2013-06-05 | 2013-06-05 | The linkage control device of a kind of double-compressor and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214123A CN104214123A (en) | 2014-12-17 |
| CN104214123B true CN104214123B (en) | 2016-12-28 |
Family
ID=52095936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310220312.9A Active CN104214123B (en) | 2013-06-05 | 2013-06-05 | The linkage control device of a kind of double-compressor and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104214123B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675729A (en) * | 2015-03-25 | 2015-06-03 | 南通江天化学股份有限公司 | Fan system with formaldehyde process gas circulation protecting device |
| CN105589352B (en) * | 2016-03-08 | 2018-01-12 | 北京国电龙源环保工程有限公司 | The parallel control system and control method of vapor recompression equipment |
| CN108101743B (en) * | 2017-11-21 | 2021-03-23 | 兖矿国宏化工有限责任公司 | System and method for improving methanol yield by parallel connection of reciprocating type compression device and centrifugal type compression device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5174729A (en) * | 1990-07-10 | 1992-12-29 | Sundstrand Corporation | Control system for controlling surge as a function of pressure oscillations and method |
| JP3741014B2 (en) * | 2001-09-18 | 2006-02-01 | 株式会社日立製作所 | Control method and compressor system for a plurality of compressors |
| JP5968893B2 (en) * | 2010-10-27 | 2016-08-10 | ドレッサー ランド カンパニーＤｒｅｓｓｅｒ−Ｒａｎｄ Ｃｏｍｐａｎｙ | System and method for fast pressurization of a motor bearing cooling loop for a hermetically sealed motor compressor system |
| CN102562679A (en) * | 2011-12-31 | 2012-07-11 | 杭州哲达科技股份有限公司 | Intelligent anti-surging regulating valve and method for realizing control of intelligent anti-surging regulating valve |
| CN202410615U (en) * | 2012-01-19 | 2012-09-05 | 杭州林达化工技术工程有限公司 | Anti-surge compression cycle device capable of regulating recycle ratio of synthesis loop |
-
2013
- 2013-06-05 CN CN201310220312.9A patent/CN104214123B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104214123A (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104214123B (en) | The linkage control device of a kind of double-compressor and method | |
| DE112014000319T5 (en) | Control system for a dual fuel engine | |
| US8621864B2 (en) | Engine exhaust manifold pressure control of intake flow | |
| CN104747453B (en) | Two-stage screw compressor discharge pressure stabilizing device and two-stage screw compressor discharge pressure stabilizing method | |
| CN113062874B (en) | Automatic control system for slurry amount of wet desulphurization slurry circulating pump | |
| DE102012204112B4 (en) | MACHINE CONTROL SYSTEM WITH ACTUATOR CONTROL | |
| JP2012159017A5 (en) | ||
| CN214570954U (en) | Intelligent coagulant adding system | |
| DE102011000480B4 (en) | Catalytic reforming assembly for use in a gas turbine system, and gas turbine system | |
| DE102016109969B4 (en) | Control method for a charging device | |
| DE102018130044B4 (en) | METHOD OF CONTROLLING A WATER INJECTOR FOR THE PURPOSE OF PREVENTING THE DETERIORATION OF A CATALYST FOR EXHAUST CONTROL AND AN INTERNAL COMBUSTION ENGINE DRIVEN BY THEM | |
| CN203516093U (en) | Pressure and flow control valve of steering oil pump | |
| CN203702374U (en) | Improved structure of pressure reducer of gas-fueled vehicle | |
| CN103742781B (en) | The refueling system of the mixed Sweet natural gas of automatic adjustable type coke-oven gas | |
| CN205650160U (en) | Automatic intermittent type preparation urea aqueous solution device of LHTY -SZ liquid | |
| CN113864653A (en) | System and method for eliminating severe slug flow by combining gas-liquid separator and throttle valve | |
| CN110456752B (en) | Air compression station control method based on combination of plan scheduling and algorithm scheduling | |
| CN114625186A (en) | Multi-target integrated control system and control method for starting and stopping process of thermal power generating unit | |
| CN204325413U (en) | A kind of system to RH refining furnace steam supply | |
| CN203308608U (en) | Efficient self-adaptive gas device of gas engine | |
| CN202348436U (en) | Adjustable-gas-input dual-fuel generator set | |
| CN205479550U (en) | Natural gas relief pressure valve | |
| CN103277214B (en) | The efficient self-adapted gas combustion apparatus of gas engine | |
| CN204729188U (en) | With the Carburetor of stepper motor | |
| CN215864724U (en) | Synthetic furnace burning chlorine-hydrogen ratio controlling means |
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 |