CN103777027B - A kind of multi-functional micro-reactive system of high flux of computer monitoring - Google Patents
A kind of multi-functional micro-reactive system of high flux of computer monitoring Download PDFInfo
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- CN103777027B CN103777027B CN201210414322.1A CN201210414322A CN103777027B CN 103777027 B CN103777027 B CN 103777027B CN 201210414322 A CN201210414322 A CN 201210414322A CN 103777027 B CN103777027 B CN 103777027B
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Abstract
The present invention discloses the multi-functional micro-reactive system of high flux of a kind of novel computer monitoring.This system take computing machine as core, be made up of nine unit, comprise reactor unit, temperature control unit, gas flow rate control unit, pressure sensing cell, electric four passes valve control unit, VCU, multi-position valve control module, valve line unit, analyser unit, alarm unit, computing machine provides control and supervisory configuration platform for system, realize the temperature in micro-reactive system, gas flow, gaseous tension configuration monitoring, the parallel placement of multiple reactor is used in system, electric four-way valve and multi-position valve run the method for operation adopting sequential program control, realize carrying out the parallel evaluation of catalyzer and screening in a variety of ways, this system is in petrochemical complex, coal chemical industry, the energy, play a significant role in the catalyst preparation in the fields such as environment.
Description
Technical field
The present invention relates to the novel micro-reactive system for evaluate catalysts, particularly relate to the multi-functional micro-reactive system of high flux adopting computer monitoring.This system plays a significant role in the catalyst research in the fields such as petrochemical complex, coal chemical industry, the energy, environment.
Background technology
Catalyzer consequently occupies critical role at oil and chemical industry in national economy, and the catalyst prod of development function admirable has extremely important meaning.The development of catalyzer will experience the process of laboratory development to industry amplification usually, the proportioning of catalyzer is mainly carried out in laboratory, micro-reaction device and analyser is used to evaluate the catalyst performance prepared, filter out high activity, high selectivity, long-life catalyzer, determine optimum reaction condition, for further industry amplification provides necessary reference frame.
Present invention achieves the automatic switchover of multiple reactor reaction with regeneration and the function of evaluated in parallel catalyzer.Catalyzer is in chemical reaction process, its initial activity can be reduced because of a variety of causes, catalytic activity is caused to decline, also claim inactivation, some inactivation is permanent, non-renewable, if some inactivation adopts rational method process in time, can regenerate, cause catalyst deactivation can use specific gas before catalyst deactivation for surperficial carbon deposit, carbon deposit is removed, again recover its activity.The present invention passes through the running of computer program-control electric four-way valve and multi-position valve, automatic switchover gas circuit, utilize multiple reactor that the regeneration of catalyzer and reaction are carried out simultaneously, to ensure the continuity of whole course of reaction, shorten the life time observing catalyzer, on the other hand, by the multiple reactor of computing machine Concurrent monitor, realize multiple catalyzer to walk abreast parallel evaluation and screening, improve the accuracy of conventional efficient and experimental result.
Summary of the invention
The multi-functional micro-reactive system of high flux that a kind of novel computer controls, this system take computing machine as core, be made up of nine unit, comprise reactor unit, temperature control unit, gas flow rate control unit, pressure sensing cell, electric four passes valve control unit, VCU, multi-position valve control module, valve line unit, analyser unit, alarm unit, computing machine provides control and supervisory configuration platform for system, realize the unit temp in micro-reactive system, gas flow, gaseous tension carries out configuration monitoring, the parallel placement of multiple reactor is adopted in system, electric four-way valve and multi-position valve run the method for operation adopting sequential program control, realize carrying out the parallel evaluation of catalyzer and screening in a variety of ways, this system is in petrochemical complex, coal chemical industry, the energy, play a significant role in the catalyst prod in the fields such as environment.
The technical solution used in the present invention is:
Computing machine provides control and supervisory configuration platform for native system, forms primarily of serial converter and configuration monitoring software; Described reactor unit by reactor, heating furnace, thermopair, intelligent temperature controller form; Described temperature control unit by constant temperature oven, temperature measuring device, heating tape, intelligent temperature controller form; Described gas flow rate control unit is by gas mass flow controller, and intelligent flow adjusting apparatus forms; Described pressure sensing cell is by pressure unit, and intelligent pressure display instrument forms; Described electric four passes valve control unit, VCU by electric four-way valve, electric four passes valve actuator, intelligent four-way valve controller composition; Described multi-position valve control module by multi-position valve, multi-position valve driver, intelligent multi-position valve controller composition; Described valve line unit by pressure maintaining valve, ball valve, pipeline form; Described analyser unit is by chromatograph, and mass spectrometer forms; Described alarm unit is by serial port, and SMI card forms.This system adopts the parallel placement of multiple reactor, and each reactor is arranged in different heating furnaces, and the technical parameter of each reactor and heating furnace is consistent.Install an electric four-way valve at each reactor air intake opening, each reactor gas outlet port receives an air inlet port on multi-position valve, and the public air outlet of multi-position valve is connected to chromatograph port input, and mass spectrometer is connected to multi-position valve air outlet.
Reactor unit is more than 2, its each reactor unit by reactor, heating furnace, temperature thermocouple, intelligent temperature controller form; Reactor is placed in inside heating furnace, and the outer wall of reactor is provided with temperature thermocouple, and intelligent temperature controller is connected with temperature thermocouple and heating furnace respectively by wire; Intelligent temperature controller is connected with computing machine through serial converter by wire;
Temperature control unit by constant temperature oven, well heater, temperature thermocouple, heating tape, intelligent temperature controller form; Multi-position valve is placed in constant temperature oven, and the discharging opening of reactor is connected with an inlet end of multi-position valve by metal pipe line; Well heater is placed in constant temperature oven, temperature thermocouple is placed on the outer wall of Multi-position valve body, one end of one metal pipe line is connected with the endpiece of Multi-position valve body, the other end is connected with the injection port of analyser unit after stretching out constant temperature oven, the metal pipe line outer wall stretching out constant temperature oven is wound with heating tape, between heating tape and metal pipe line, be embedded with temperature thermocouple, intelligent temperature controller is connected with temperature thermocouple and heating tape respectively by wire; Intelligent temperature controller is connected with computing machine through serial converter by wire;
Gas flow rate control unit is by gas mass flow controller, and intelligent flow adjusting apparatus forms; Intelligent flow adjusting apparatus is connected with gas mass flow controller by wire, and intelligent flow adjusting apparatus is connected with computing machine through serial converter by wire;
Pressure sensing cell is by pressure unit, and intelligent pressure display instrument forms; Be provided with pressure unit in the charging aperture place of reactor, intelligent pressure display instrument is connected with pressure unit by wire, and intelligent pressure display instrument is connected with computing machine through serial converter by wire;
Electric four passes valve control unit, VCU by electric four-way valve, electric four passes valve actuator, intelligent four-way valve controller composition; Be provided with electric four-way valve in the charging aperture place of reactor, electric four-way valve is connected with the gas mass flow controller in the charging aperture of reactor, gas flow rate control unit respectively; Electric four passes valve actuator and electric four-way valve are in transmission connection; Intelligence four-way valve controller is connected with electric four passes valve actuator by wire, and intelligent four-way valve controller is connected with computing machine through serial converter by wire;
Multi-position valve control module by multi-position valve, multi-position valve driver, intelligent multi-position valve controller composition; Multi-position valve driver and Multi-position valve body are in transmission connection; Intelligence multi-position valve controller is connected with multi-position valve driver by wire, and intelligent multi-position valve controller is connected with computing machine through serial converter by wire;
Valve line unit is made up of pressure maintaining valve, ball valve, metal pipe line; The charging aperture of reactor is connected with extraneous source of the gas through gas mass flow controller, pressure maintaining valve, ball valve by metal pipe line;
Analyser unit is made up of the chromatograph of chromatograph, mass spectrometer or parallel connection and mass spectrometer; Chromatograph and/or mass spectrometer are connected with computer communication cable;
Alarm unit is by serial port, and SIM card forms, and SIM card is connected with computer communication cable through serial port.
By the micro-reactive system centralized control of computing machine configuration monitoring software simulating.Computing machine is responsible for temperature data, data on flows, the pressure data of monitoring system device, and to the real-time automated back-up of these data, improves experimental precision, simplify operating process; The temperature of initialization system, flow, pressure security alarming value, adopt in various manners and alarm, improves system cloud gray model security; The programming Control valve method of operation, realizes that multiple method is parallel, evaluated in parallel and screening catalyzer; Adopt chromatograph, the on-line automatic real-time analysis of mass spectrometer realization response process; Device has the hommization of monitoring software interface, and technological process is directly perceived, the simple compact nature of entity structure.
Accompanying drawing explanation
Fig. 1 is the multi-functional micro-reactive system schematic flow sheet of the high flux of computer monitoring
Fig. 2 is computing machine configuration monitoring software control FB(flow block)
In accompanying drawing 1, 1. computing machine, 2. serial converter, 3. reactor, 4. heating furnace, 5. intelligent temperature controller A, 6. thermopair A, 7. constant temperature oven, 8. heating tape, 9. mass flow controller A, 10. intelligent flow adjusting apparatus B, 11. pressure units, 12. intelligent pressure display instruments, 13. electric four-way valves, 14. electric four passes valve actuators, 15. intelligent four-way valve controllers, 16. multi-position valves, 17. multi-position valve drivers, 18. intelligent multi-position valve controllers, 19. gas chromatographs, 20. mass spectrometers, 21. ball valve A, 22. pressure maintaining valve A, 23. well heaters, 24. intelligent temperature controller B, 25. thermopair B, 26. intelligent temperature controller C, 27. temperature element C, 28. pipelines, 29.SIM card, 30. ball valve B, 31. ball valve C, 32. pressure maintaining valve B, 33. pressure maintaining valve C, 34. mass flow controller B, 35. mass flow controller C, 36. intelligent flow adjusting apparatus B, 37. intelligent flow adjusting apparatus C, 38. serial ports A, 39. serial ports B, 40. serial ports C.
Embodiment
This example is multi-functional micro-reactive system (only depicting two reactor unit control flow charts in figure) of a set of four-way computer monitoring, is specifically described further by reference to the accompanying drawings.
Computing machine provides control and supervisory configuration platform for system, forms primarily of serial converter and configuration monitoring software;
Reactor unit is more than 2, its each reactor unit by reactor, heating furnace, thermopair, intelligent temperature controller form; Reactor is placed in inside heating furnace, and the outer wall of reactor is provided with temperature thermocouple, and intelligent temperature controller is connected with temperature thermocouple and heating furnace respectively by wire; Intelligent temperature controller is connected with computing machine through serial converter by wire;
Temperature control unit by constant temperature oven, well heater, temperature thermocouple, heating tape, intelligent temperature control instrument form; Multi-position valve is placed in constant temperature oven, and the discharging opening of reactor is connected with an inlet end of multi-position valve by metal pipe line; Well heater is placed in constant temperature oven, temperature thermocouple is placed on the outer wall of Multi-position valve body, one end of one metal pipe line is connected with the endpiece of multi-position valve, the other end is connected with the injection port of analyser unit after stretching out constant temperature oven, the metal pipe line outer wall stretching out constant temperature oven is wound with heating tape, between heating tape and metal pipe line, be embedded with temperature thermocouple, intelligent temperature controller is connected with temperature thermocouple and heating tape respectively by wire; Intelligent temperature controller is connected with computing machine through serial converter by wire;
Gas flow rate control unit is by gas mass flow controller, and intelligent flow adjusting apparatus forms; Intelligent flow adjusting apparatus is connected with gas mass flow controller by wire, and intelligent flow adjusting apparatus is connected with computing machine through serial converter by wire;
Pressure sensing cell is by pressure unit, and intelligent pressure display instrument forms; Be provided with pressure unit in the charging aperture place of reactor, intelligent pressure display instrument is connected with pressure unit by wire, and intelligent pressure display instrument is connected with computing machine through serial converter by wire;
Electric four passes valve control unit, VCU by electric four-way valve, electric four passes valve actuator, intelligent four-way valve controller composition; Be provided with electric four-way valve in the charging aperture place of reactor, electric four-way valve is connected with the gas mass flow controller in the charging aperture of reactor, valve line unit respectively; Electric four passes valve actuator and electric four-way valve are in transmission connection; Intelligence four-way valve controller is connected with electric four passes valve actuator by wire, and intelligent four-way valve controller is connected with computing machine through serial converter by wire;
Multi-position valve control module by multi-position valve, multi-position valve driver, intelligent multi-position valve controller composition; Multi-position valve driver and multi-position valve are in transmission connection; Intelligence multi-position valve controller is connected with multi-position valve driver by wire, and intelligent multi-position valve controller is connected with computing machine through serial converter by wire;
Valve line unit is made up of pressure maintaining valve, ball valve, metal pipe line; The charging aperture of reactor is connected with extraneous source of the gas through gas mass flow controller, pressure maintaining valve, ball valve by metal pipe line;
Analyser unit is made up of the chromatograph of chromatograph, mass spectrometer or parallel connection and mass spectrometer; Chromatograph and/or mass spectrometer are connected with computer communication cable;
Alarm unit is by serial port, and SIM card forms, and SIM card is connected with computer communication cable through serial port.
Reactor 3 is vertically placed in heating furnace 4, thermopair 6 is placed on quartz tube reactor outer wall, computing machine 1 will set temperature programme instruction by serial converter 2 and pass to intelligent themometer 5, control reaction heating furnace temperature programme, thermopair 6 is measured reactor 3 temperature and is passed to computing machine 1 by intelligent temperature controller 5 and shows and Backup Data; Well heater 23 and multi-position valve 16 are placed in constant temperature oven 7, temperature thermocouple A25 places on multi-position valve 16 outer wall, computing machine 1 will set constant temperature value transmit to intelligent temperature controller B24 by serial converter 2, control heater 23 heats, keep the temperature of temperature in computer settings of constant temperature oven 7, temperature thermocouple A25 measures constant temperature oven 7 temperature and passes to computing machine 1 by intelligent temperature controller 24 and shows and Backup Data; Multi-position valve 16 delivery outlet is connected to chromatograph 19 injection port through pipeline 28, heating tape 8 curls on pipeline 28, temperature thermocouple B27 is inserted in heating tape 8 with pipeline 28, computing machine 1 will set constant temperature value transmit to intelligent temperature controller C 26 by serial converter 2, control heating tape 8 to heat, holding tube line 28 constant temperature, temperature thermocouple B27 measurement line 28 temperature is also passed to computing machine 1 by intelligent temperature controller C26 and is shown and Backup Data.
Gas Gas1 is by ball valve A 21, pressure maintaining valve A 22, mass flow controller A 9, and 1., 2. port enters the inlet end of reactor 3 to electric four-way valve 13 port.The gas flow values of setting is passed to intelligent flow adjusting apparatus A10 by serial converter 2 by computing machine 1, intelligent flow adjusting apparatus A10 Mass Control flow controller A9, gas flow rate constant in pilot piping in setting value, and is passed to computing machine 1 by intelligent flow adjusting apparatus A10 and is shown and Backup Data; Gas Gas2 is by ball valve B 30, pressure maintaining valve B32, mass flow controller B34, and 3., 2. port enters the inlet end of reactor 3 to electric four-way valve (13) port.The gas flow values of setting is passed to intelligent flow adjusting apparatus B 36 by serial converter 2 by computing machine 1, intelligent flow adjusting apparatus B36 Mass Control flow controller B 34, gas flow rate constant in pilot piping in setting value, and is passed to computing machine 1 by intelligent flow regulator B36 and is shown and Backup Data; Gas3 gas is by ball valve C 31, pressure maintaining valve C 33, mass flow controller C35, and 3., 2. port enters the inlet end of reactor 3 to electric four-way valve 13 port.The gas flow values of setting is passed to intelligent flow adjusting apparatus C 35 by serial converter 2 by computing machine 1, intelligent flow adjusting apparatus C37 Mass Control flow controller C 35, in pilot piping, airshed is constant in setting value, and passes to computing machine 1 by intelligent flow adjusting apparatus C37 and show and Backup Data; Pressure unit 11 is arranged on reactor 3 inlet end by pipeline, and the pressure of detection reaction device entrance also changes into standardized digital signal and is input to intelligent pressure display instrument 12, passes to computing machine 1 show and Backup Data by serial converter 2.
1. reactor 3 endpiece is connected to multi-position valve 16 entrance by pipeline through constant temperature oven 7 wall, the program control command of setting to be passed to intelligent multi-position valve controller 18 by serial converter 2 and controls multi-position valve driver 17 and drive multi-position valve 16 to rotate according to computer programming instruction by computing machine 1, 1. select outlet with multi-position valve 16 at set time multi-position valve 16 entrance 5. to connect, gas chromatograph 19 injection port is connected to through pipeline 28, multi-position valve 16 current state is sent to computing machine 1 and shows by intelligence multi-position valve controller 18, multi-position valve 16 exports and is 6. connected to mass spectrometer 20 injection port by pipeline.
Chromatograph 19 is connected to computing machine 1 through serial ports B39, and mass spectrometer 20 is connected to computing machine 1 through serial ports B40.
As follows in computing machine configuration monitoring software function:
1. monitor reacting furnace temperature: the temperature programme tabular value inputting each reactor, start reactor heating furnace, reacting furnace, according to temperature programme, reads reacting furnace current temperature value at any time, show in real time on screen with numeral and curve mode, storage temperature historical data;
2. monitor gas reactor flow value: setting gas mass flow measuring device flow value, control flow check measuring device runs according to this setting value, reads present flow rate in real time, shows in real time on screen with numeral and curve mode, preserves flow histories data.
3. monitor gas reactor pressure: monitor reactor pressure in real time, show in real time on screen with numeral and curve mode, preserve pressure history data.
4. short message of mobile telephone for alarm prompting: design temperature security alarm value, pressure security alarming value, gas flow security alarm value, when monitoring device and exceeding alarming value, starts network alarming, and send the mobile phone of note to related personnel, prompting processes in time.
5. selective system is run with switching mode:
A., t switching time of electric four-way valve is set;
B., multi-position valve T switching time is set;
C. cycle index C is set;
D., the air inlet kind of each reactor is set;
After clicking acknowledgement key, instruction issuing gives intelligent four-way valve controller and intelligent multi-position valve controller, electric four-way valve and multi-position valve carry out gas circuit switchover operation according to the time of computer settings, run in this manner, total maintenance synchronization reactor enters reaction gas, other reactor enters regeneration gas, and after cycle index reaches C, course of reaction stops automatically.Chromatograph is analyzed according to same cycle T on-line sampling under control of the computer.Run in this approach, achieve catalyzer on-line regeneration and product exports continuously.
6. selective system is run in a position-stable manner:
A., multi-position valve T switching time and cycle index C is set;
B., the gaseous species that each reactor will enter is set;
After clicking acknowledgement key, instruction issuing gives intelligent four-way valve controller and intelligent multi-position valve controller, electric four-way valve maintains static after forwarding selected gas circuit position to, multi-position valve carries out gas circuit switchover operation according to the time T of setting, and chromatograph is same under control of the computer to be analyzed according to T on-line sampling.After cycle index reaches C, course of reaction stops automatically.If each reactor is equipped with same or variety classes catalyzer, can realize carrying out multiple catalysts evaluation and screening simultaneously.
Claims (2)
1. the multi-functional micro-reactive system of computer-controlled high flux, it is characterized in that: system take computing machine as core, is made up of, comprises reactor unit nine unit, temperature control unit, gas flow rate control unit, pressure sensing cell, electric four passes valve control unit, VCU, multi-position valve control module, valve line unit, analyser unit, alarm unit;
Reactor unit is connected with computer communication cable through serial converter;
Temperature control unit is connected with computer communication cable through serial converter;
Gas flow rate control unit is connected with computer communication cable through serial converter;
Pressure sensing cell is connected with computer communication cable through serial converter;
Electric four passes valve control unit, VCU is connected with computer communication cable through serial converter;
Multi-position valve control module is connected with computer communication cable through serial converter;
Analyser unit is connected with computer communication cable through serial ports;
Alarm unit is connected with computer communication cable through serial ports;
Computing machine provides control and supervisory configuration platform for system, forms primarily of serial converter and configuration monitoring software;
Reactor unit is more than 2, its each reactor unit by reactor, heating furnace, thermopair, intelligent temperature controller form; Reactor is placed in inside heating furnace, and the outer wall of reactor is provided with temperature thermocouple, and intelligent temperature controller is connected with temperature thermocouple and heating furnace respectively by wire; Intelligent temperature controller is connected with computing machine through serial converter by wire;
Temperature control unit by constant temperature oven, well heater, temperature thermocouple, heating tape, intelligent temperature controller form; Multi-position valve body is placed in constant temperature oven, and the discharging opening of reactor is connected with an inlet end of Multi-position valve body by metal pipe line; Well heater is placed in constant temperature oven, temperature thermocouple is placed on the outer wall of Multi-position valve body, one end of one metal pipe line is connected with the endpiece of multi-position valve, the other end is connected with the injection port of analyser unit after stretching out constant temperature oven, the metal pipe line outer wall stretching out constant temperature oven is wound with heating tape, between heating tape and metal pipe line, be embedded with temperature thermocouple, intelligent temperature controller is connected with temperature thermocouple and heating tape respectively by wire; Intelligent temperature controller is connected with computing machine through serial converter by wire;
Gas flow rate control unit is by gas mass flow controller, and intelligent flow adjusting apparatus forms; Intelligent flow adjusting apparatus is connected with gas mass flow controller by wire, and intelligent flow adjusting apparatus is connected with computing machine through serial converter by wire;
Pressure sensing cell is by pressure unit, and intelligent pressure display instrument forms; Be provided with pressure unit in the charging aperture place of reactor, intelligent pressure display instrument is connected with pressure unit by wire, and intelligent pressure display instrument is connected with computing machine through serial converter by wire;
Electric four passes valve control unit, VCU by electric four-way valve, electric four passes valve actuator, intelligent four-way valve controller composition; Be provided with electric four-way valve in the charging aperture place of reactor, electric four-way valve is connected with the gas mass flow controller in the charging aperture of reactor, gas flow rate control unit respectively; Electric four passes valve actuator and electric four-way valve are in transmission connection; Intelligence four-way valve controller is connected with four-way valve driver by wire, and intelligent four-way valve controller is connected with computing machine through serial converter by wire;
Multi-position valve control module by multi-position valve, multi-position valve driver, intelligent multi-position valve controller composition; Multi-position valve driver and multi-position valve are in transmission connection; Intelligence multi-position valve controller is connected with multi-position valve driver by wire, and intelligent multi-position valve controller is connected with computing machine through serial converter by wire;
Valve line unit is made up of pressure maintaining valve, ball valve, metal pipe line; The charging aperture of reactor is connected with extraneous source of the gas through gas mass flow controller, pressure maintaining valve, ball valve by metal pipe line;
Analyser unit is made up of the chromatograph of chromatograph, mass spectrometer or parallel connection and mass spectrometer; Chromatograph and/or mass spectrometer are connected with computer communication cable;
Alarm unit is by serial port, and SIM card forms, and SIM card is connected with computer communication cable through serial port.
2. the micro-reactive system according to right 1, is characterized in that:
The method of operation that electric four-way valve and multi-position valve adopt sequential program control, realizes high flux reactor with switching mode and fixed form work; Computing machine is responsible for supervisory system temperature data, data on flows, pressure data, and to the real-time automated back-up of these data, and design temperature, flow, pressure security alarming value, provides the network alarming of SMS.
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| CN107562100B (en) * | 2017-08-25 | 2020-11-24 | 山东豪迈化工技术有限公司 | Flow and temperature control method and system of micro-reaction equipment |
| CN108675908A (en) * | 2018-05-23 | 2018-10-19 | 中国工程物理研究院化工材料研究所 | A kind of explosive microchannel continuous reaction system |
| CN111207794A (en) * | 2020-03-18 | 2020-05-29 | 江苏建筑职业技术学院 | Catalyst preparation monitoring and control system |
| CN113041972B (en) * | 2021-04-06 | 2022-03-01 | 南京工业大学 | Microreactor production control system with safety protection function |
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