CN107390752A - A kind of real-time inspection and control system - Google Patents
A kind of real-time inspection and control system Download PDFInfo
- Publication number
- CN107390752A CN107390752A CN201710727187.9A CN201710727187A CN107390752A CN 107390752 A CN107390752 A CN 107390752A CN 201710727187 A CN201710727187 A CN 201710727187A CN 107390752 A CN107390752 A CN 107390752A
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- hydrogenation reactor
- hydrogen
- controller
- compressor
- forcing
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
The invention discloses a kind of real-time inspection and control system, including hydrogen making machine, force (forcing) pump, hydrogenation reactor, controller and control valve, the hydrogen making machine is connected by pipeline with compressor, and it is connected with circulating hydrogen compressor on the right side of compressor, the circulating hydrogen compressor is connected by pipeline with hydrogenation reactor, and the Pipe installing between circulating hydrogen compressor and hydrogenation reactor has force (forcing) pump, the hydrogenation reactor is internally provided with cold hydrogen disk and distribution plate, and distribution plate lower end is separately installed with pressure sensor and temperature sensor, the output end of the pressure sensor and temperature sensor is electrically connected with the input of D/A analog-digital converters, the output end of the controller respectively with circulating hydrogen compressor, force (forcing) pump and the input of control valve are electrically connected with.The present invention controls force (forcing) pump running to ensure that hydrogenation amount and pressure are certain in hydrogenation reactor by controller, the fragrant abundant hydrogenation reaction of alkene inside hydrogenation reactor is formed aromatic hydrocarbon.
Description
Technical field
The present invention relates to the Chemical Manufacture relevant device of the mixed trimethylbenzene class BTX aromatics prepared based on cracking of ethylene carbon nine
Technical field, specially a kind of real-time inspection and control system.
Background technology
At present, China's ethylene cracking material mainly has naphtha, diesel oil etc., no matter equal with which kind of cracking stock production ethene
A certain amount of C 9 fraction of by-product, the cracking chemical utilization of carbon nine are mainly that the aromatic hydrocarbon of the cracking hydrogenation production high-quality of carbon nine is molten
Agent oil, the reacting system pressure control of hydrogenation plant is the important control device for ensureing that amounts of hydrogen is constant, because hydrogenation reactor
Middle reaction will consume hydrogen, and reacting to have will be carried out under certain hydrogen dividing potential drop, it is necessary to which new hydrogen carrys out maintenance reaction system hydrogen point
Pressure, so needing a kind of control pressurer system, ensure the quantitative hydrogen of supplement in hydrogenation reactor, fill material in hydrogenation reactor
Divide reaction.
The content of the invention
It is an object of the invention to provide a kind of real-time inspection and control system, is asked with solve to propose in above-mentioned background technology
Topic, possessed beneficial effect are：Force (forcing) pump running is controlled to ensure hydrogenation amount and pressure one in hydrogenation reactor by controller
It is fixed, fragrant olefin hydrogenation inside hydrogenation reactor is formed aromatic hydrocarbon.
To achieve the above object, the present invention provides following technical scheme：A kind of real-time inspection and control system, including hydrogen manufacturing
Machine, force (forcing) pump, hydrogenation reactor, controller and control valve, the hydrogen making machine 1 is connected by pipeline with compressor, and compressor
Right side is connected with circulating hydrogen compressor, and the circulating hydrogen compressor is connected by pipeline with hydrogenation reactor, and circulates hydrogen compressed
Pipe installing between machine and hydrogenation reactor has force (forcing) pump, and the hydrogenation reactor is internally provided with cold hydrogen disk and distribution plate,
And distribution plate lower end is separately installed with pressure sensor and temperature sensor, the output of the pressure sensor and temperature sensor
End and the input of D/A analog-digital converters are electrically connected with, and the output end of D/A analog-digital converters and the input of controller are electrical
Connection, the output end of the controller is electrically connected with the input of A/D digital analog converters, and the output of A/D digital analog converters
End is electrically connected with the input of circulating hydrogen compressor, force (forcing) pump and control valve respectively.
Preferably, the hydrogenation reactor side wall offers pressure relief opening, and the control valve is arranged in pressure relief opening.
Preferably, the hydrogenation reactor bottom offers catalyst outlet.
Preferably, the cold hydrogen tray bottom is provided with cold hydrogen tube and cold hydrogen box, and cold hydrogen box lower end is provided with spraying disc.
Preferably, the controller is installed on hydrogenation reactor outer wall, and is also associated with controlling on the input of controller
Device panel.
Compared with prior art, the beneficial effects of the invention are as follows：The equipment sets hydrogenation reactor by controller panel
Interior pressure and temperature, by pressure sensor and temperature sensor monitors internal pressure and temperature, inside hydrogenation reactor
Hydrogen is reacted, and reduces hydrogen, and pressure is reduced, and is controlled force (forcing) pump to be hydrogenated with hydrogenation reactor by controller and is pressurizeed, while cold hydrogen is adjusted
Reaction temperature is saved, ensures that reaction is abundant, ensures that hydrogenation amount and pressure are certain in hydrogenation reactor, makes fragrant alkene inside hydrogenation reactor
Hydrocarbon hydrogenation reaction forms aromatic hydrocarbon.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the theory diagram of the present invention.
In figure：1- hydrogen making machines；2- compressors；3- circulating hydrogen compressors；4- force (forcing) pumps；5- pressure sensors；6- hydrogenation is anti-
Answer device；7- catalyst outlets；The cold hydrogen disks of 8-；9- distribution plates；10- temperature sensors；11-D/A analog-digital converters；12- is controlled
Device；13- controller panels；14-A/D digital analog converters；15- pressure relief openings；16- control valves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, a kind of embodiment provided by the invention：A kind of real-time inspection and control system, including hydrogen making machine
1st, force (forcing) pump 4, hydrogenation reactor 6, controller 12 and control valve 16, hydrogen making machine 1 are connected by pipeline with compressor 2, and are compressed
The right side of machine 2 is connected with circulating hydrogen compressor 3, and circulating hydrogen compressor 3 is connected by pipeline with hydrogenation reactor 6, and recycle hydrogen pressure
Pipe installing between contracting machine 3 and hydrogenation reactor 6 has force (forcing) pump 4, and hydrogenation reactor 6 is internally provided with cold hydrogen disk 8 and distribution
Disk 9, and the lower end of distribution plate 9 is separately installed with pressure sensor 5 and temperature sensor 10, pressure sensor 5 and temperature sensor
10 output end is electrically connected with the input of D/A analog-digital converters 11, and the output end and controller of D/A analog-digital converters 11
12 input is electrically connected with, and the output end of controller 12 is electrically connected with the input of A/D digital analog converters 14, and A/D numbers
The output end of weighted-voltage D/A converter 14 is electrically connected with the input of circulating hydrogen compressor 3, force (forcing) pump 4 and control valve 16 respectively, hydrogenation
The side wall of reactor 6 offers pressure relief opening 15, and the control valve 16 is arranged in pressure relief opening 15, and the bottom of hydrogenation reactor 6 opens up
There is catalyst outlet 7, the cold bottom of hydrogen disk 8 is provided with cold hydrogen tube and cold hydrogen box, and cold hydrogen box lower end is provided with spraying disc, control
Device 12 is installed on the outer wall of hydrogenation reactor 6, and controller panel 13 is also associated with the input of controller 12.
Operation principle：New hydrogen made of hydrogen making machine is low pressure hydrogen during use, and low pressure hydrogen enters compressor boosting and is followed by
Enter circulating hydrogen compressor 3, the hydrogen part that circulating hydrogen compressor 3 enters in hydrogenation reactor 6 is as reaction quenching hydrogen control
Temperature of reactor, a part mix with raw material, set pressure and temperature in hydrogenation reactor 6 by controller panel 13, pass through
Pressure sensor 5 and temperature sensor 10 monitor internal pressure and temperature, because the internal hydrogen of hydrogenation reactor 6 reacts, subtract hydrogen
Few, pressure is reduced, and is controlled force (forcing) pump 4 to be hydrogenated with hydrogenation reactor 6 by controller and is pressurizeed, while cold hydrogen regulation reaction temperature,
Ensure that reaction is abundant.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (5)
1. a kind of real-time inspection and control system, including hydrogen making machine（1）, force (forcing) pump（4）, hydrogenation reactor（6）, controller（12）With
Control valve（16）, it is characterised in that：The hydrogen making machine（1）Pass through pipeline and compressor（2）Connection, and compressor（2）Right side connects
It is connected to circulating hydrogen compressor（3）, the circulating hydrogen compressor（3）Pass through pipeline and hydrogenation reactor（6）Connection, and recycle hydrogen pressure
Contracting machine（3）With hydrogenation reactor（6）Between Pipe installing have force (forcing) pump（4）, the hydrogenation reactor（6）It is internally provided with cold
Hydrogen disk（8）And distribution plate（9）, and distribution plate（9）Lower end is separately installed with pressure sensor（5）And temperature sensor（10）, institute
State pressure sensor（5）And temperature sensor（10）Output end and D/A analog-digital converters（11）Input be electrically connected with, and
D/A analog-digital converters（11）Output end and controller（12）Input be electrically connected with, the controller（12）Output end
With A/D digital analog converters（14）Input be electrically connected with, and A/D digital analog converters（14）Output end respectively with recycle hydrogen pressure
Contracting machine（3）, force (forcing) pump（4）And control valve（16）Input be electrically connected with.
A kind of 2. real-time inspection and control system according to claim 1, it is characterised in that：The hydrogenation reactor（6）Side
Wall offers pressure relief opening（15）, and the control valve（16）Installed in pressure relief opening（15）It is interior.
A kind of 3. real-time inspection and control system according to claim 1, it is characterised in that：The hydrogenation reactor（6）Bottom
Portion offers catalyst outlet（7）.
A kind of 4. real-time inspection and control system according to claim 1, it is characterised in that：The cold hydrogen disk（8）Bottom is set
Cold hydrogen tube and cold hydrogen box are equipped with, and cold hydrogen box lower end is provided with spraying disc.
A kind of 5. real-time inspection and control system according to claim 1, it is characterised in that：The controller（12）It is installed on
Hydrogenation reactor（6）Outer wall, and controller（12）Input on be also associated with controller panel（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727187.9A CN107390752A (en) | 2017-08-23 | 2017-08-23 | A kind of real-time inspection and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727187.9A CN107390752A (en) | 2017-08-23 | 2017-08-23 | A kind of real-time inspection and control system |
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| Publication Number | Publication Date |
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| CN107390752A true CN107390752A (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710727187.9A Pending CN107390752A (en) | 2017-08-23 | 2017-08-23 | A kind of real-time inspection and control system |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1303187C (en) * | 1986-12-23 | 1992-06-09 | Garry L. Rempel | Gas consumption measuring system |
| CN101173190A (en) * | 2007-10-22 | 2008-05-07 | 中国石油集团工程设计有限责任公司抚顺分公司 | Feito synthetic oil processing line |
| CN201669110U (en) * | 2010-04-14 | 2010-12-15 | 南通鸿志化工有限公司 | Overtemperature and overpressure control device of hydrogenation reactor |
| CN101962309A (en) * | 2010-09-19 | 2011-02-02 | 湖南松源化工有限公司 | Method and device for continuously producing p-menthane by utilizing bipentene |
| CN102789250A (en) * | 2012-07-26 | 2012-11-21 | 天津津大莱博科技有限公司 | Automatic control system for pressurization micro reaction experiment device |
| CN103861532A (en) * | 2014-03-03 | 2014-06-18 | 北京旭荣工程设计有限公司 | Homogeneous three-phase reactor for jet aeration |
| CN104028176A (en) * | 2014-06-13 | 2014-09-10 | 浙江工业大学 | Reaction device for preparing bio-aviation kerosene through hydrocracking |
| CN204735197U (en) * | 2015-06-02 | 2015-11-04 | 沧州华海炼油化工有限责任公司 | Hydrogenation pressure control device |
| CN105273747A (en) * | 2015-11-18 | 2016-01-27 | 北京中科诚毅科技发展有限公司 | Temperature control measure for slurry bed hydrogenation reactor and design method and application thereof |
| CN106732200A (en) * | 2016-12-02 | 2017-05-31 | 兰州兰石集团有限公司 | A kind of turbine type cold hydrogen box |
| CN207276557U (en) * | 2017-08-23 | 2018-04-27 | 南京扬子精细化工有限责任公司 | A kind of hydrogenation reaction control pressurer system |
-
2017
- 2017-08-23 CN CN201710727187.9A patent/CN107390752A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1303187C (en) * | 1986-12-23 | 1992-06-09 | Garry L. Rempel | Gas consumption measuring system |
| CN101173190A (en) * | 2007-10-22 | 2008-05-07 | 中国石油集团工程设计有限责任公司抚顺分公司 | Feito synthetic oil processing line |
| CN201669110U (en) * | 2010-04-14 | 2010-12-15 | 南通鸿志化工有限公司 | Overtemperature and overpressure control device of hydrogenation reactor |
| CN101962309A (en) * | 2010-09-19 | 2011-02-02 | 湖南松源化工有限公司 | Method and device for continuously producing p-menthane by utilizing bipentene |
| CN102789250A (en) * | 2012-07-26 | 2012-11-21 | 天津津大莱博科技有限公司 | Automatic control system for pressurization micro reaction experiment device |
| CN103861532A (en) * | 2014-03-03 | 2014-06-18 | 北京旭荣工程设计有限公司 | Homogeneous three-phase reactor for jet aeration |
| CN104028176A (en) * | 2014-06-13 | 2014-09-10 | 浙江工业大学 | Reaction device for preparing bio-aviation kerosene through hydrocracking |
| CN204735197U (en) * | 2015-06-02 | 2015-11-04 | 沧州华海炼油化工有限责任公司 | Hydrogenation pressure control device |
| CN105273747A (en) * | 2015-11-18 | 2016-01-27 | 北京中科诚毅科技发展有限公司 | Temperature control measure for slurry bed hydrogenation reactor and design method and application thereof |
| CN106732200A (en) * | 2016-12-02 | 2017-05-31 | 兰州兰石集团有限公司 | A kind of turbine type cold hydrogen box |
| CN207276557U (en) * | 2017-08-23 | 2018-04-27 | 南京扬子精细化工有限责任公司 | A kind of hydrogenation reaction control pressurer system |
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Application publication date: 20171124 |
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| RJ01 | Rejection of invention patent application after publication |