CN107562100A - The flow and temprature control method and system of a kind of micro-reactor apparatus - Google Patents

Abstract

The invention discloses a kind of flow of micro-reactor apparatus and temprature control method and system, this method includes：Gather the present flow rate of raw material during the feedstock transportation of the micro-reactor apparatus；And/or gather the Current Temperatures of the micro-reactor apparatus；According to the present flow rate, the feed flow of servo-drive system is controlled；And/or according to the Current Temperatures, control the cold medium flux of heat-exchange system.The solution of the present invention, can overcome control that difficulty is big, reliability is low in the prior art and in-convenience in use the defects of, realize the control beneficial effect that difficulty is small, reliability is high and easy to use.

Description

The flow and temprature control method and system of a kind of micro-reactor apparatus

Technical field

The invention belongs to micro-reacting tcchnology field, and in particular to the flow and temprature control method of a kind of micro-reactor apparatus and System.

Background technology

Micro-reactor apparatus (such as：Microreactor, micro passage reaction etc.), be it is a kind of by means of special micro-processing, With solid matrix manufacture available for the three-dimensional structure element to be chemically reacted.In micro-reactor apparatus, usually contain size compared with Small (such as：Equivalent diameter is less than 500 μm), the small passage of various informative property, fluid flows in these passages, and requires at this Required reaction occurs in a little passages, which results in have in the chemical device of micro-structure very big surface area/ Volume ratio.

The micro-reactor apparatus set by modularization, it is possible to achieve micro-reacting tcchnology, i.e.,：Make necessary Essential Chemistry engineering Operate the technology being carried out, such as mixing, reaction, heat exchange and the operation more implemented by micro-structural mode.Due to micro- Fine feature of the consersion unit in terms of micro-structure so that the precision that is controlled in micro-reacting tcchnology to micro-reactor apparatus and The requirements such as stability are higher, to be more accurately controlled to the chemical reaction process based on micro-reacting tcchnology.

In current micro-reacting tcchnology, it can not be automatically adjusted according to process requirements and control the flow and temperature of fluid, So that flow and the flexible adjustment of temperature are poor, flow and temperature controlled precision also can not just ensure.

It can be seen that in existing micro-reacting tcchnology, the control difficulty that flow and temperature be present is big, reliability is low and using not The defects of facilitating.

The content of the invention

It is an object of the present invention to it is directed to drawbacks described above, there is provided the flow and temprature control method of a kind of micro-reactor apparatus And system, to solve not automatically adjusted according to process requirements in the prior art and control the flow of fluid and temperature causes to control The problem of difficulty is big, reach the effect for reducing control difficulty.

The present invention provides a kind of flow and temprature control method of micro-reactor apparatus, including：Gather the micro-reactor apparatus Feedstock transportation during raw material present flow rate；And/or gather the Current Temperatures of the micro-reactor apparatus；Worked as according to described Preceding flow, control the feed flow of servo-drive system；And/or according to the Current Temperatures, control the cold medium flux of heat-exchange system.

Alternatively, in addition to：Determine the initial flow controlled quentity controlled variable of the servo-drive system；And/or determine the heat-exchange system Initial refrigerant controlled quentity controlled variable.

Alternatively, the initial flow controlled quentity controlled variable for determining the servo-drive system, including：Set the raw material composition, Proportioning and speed of production；According to the composition of setting, the proportioning and the speed of production, target flow is determined, and determine The initial flow controlled quentity controlled variable of the servo-drive system；And/or the initial refrigerant controlled quentity controlled variable for determining the heat-exchange system, Including：Set the control temperature of the micro-reactor apparatus and the target refrigerant temperature of the heat-exchange system；Open the heat exchange System, when waiting the current refrigerant temperature of the heat-exchange system to reach the target refrigerant temperature, start cold medium flux valve, make institute The initial refrigerant controlled quentity controlled variable that cold medium flux valve is stated to be adapted to the control temperature acts.

Alternatively, during the feedstock transportation of the collection micro-reactor apparatus raw material present flow rate, including：Institute State during servo-drive system conveys the raw material to the micro-reactor apparatus, receive the original collected by flow sensor The present flow rate of material；And/or the Current Temperatures of the collection micro-reactor apparatus, including：Changed described in the control During the cold medium flux of hot systems, the current temperature of the micro-reactor apparatus collected by temperature sensor is received Degree.

Alternatively, the feed flow of the control servo-drive system, including：Obtain the stream of the present flow rate and target flow Difference is measured, determines whether the flow difference is more than the flow threshold of setting；When the flow difference is more than the flow threshold When, by flow pid control module, determine modified flow rate controlled quentity controlled variable；Make the servo-drive system with the modified flow rate controlled quentity controlled variable For new initial flow controlled quentity controlled variable, continue through the servo-drive system and convey the raw material to the micro-reactor apparatus；And/or The cold medium flux of the control heat-exchange system, including：The Current Temperatures are obtained with controlling the temperature gap of temperature, it is determined that described Whether temperature gap is more than the temperature threshold of setting；When the temperature gap is more than the temperature threshold, pass through temperature PID control Molding block, it is determined that amendment temperature；The amendment refrigerant controlled quentity controlled variable for making cold medium flux valve to be adapted to the amendment temperature is at the beginning of to be new Beginning refrigerant controlled quentity controlled variable, continue to control the cold medium flux of the heat-exchange system；By controlling the cold medium flux of the heat-exchange system, make The Current Temperatures of micro-reactor apparatus when reaching the control temperature, start the course of reaction of the micro-reactor apparatus.

Match with the above method, another aspect of the present invention provides flow and the temperature control system of a kind of micro-reactor apparatus System, including：Collecting unit, the present flow rate of raw material during the feedstock transportation for gathering the micro-reactor apparatus；And/or Gather the Current Temperatures of the micro-reactor apparatus；Control unit, for according to the present flow rate, controlling the conveying of servo-drive system Flow；And/or according to the Current Temperatures, control the cold medium flux of heat-exchange system.

Alternatively, in addition to：Described control unit, it is additionally operable to determine the initial flow controlled quentity controlled variable of servo-drive system；And/or Described control unit, it is additionally operable to determine the initial refrigerant controlled quentity controlled variable of the heat-exchange system.

Alternatively, described control unit determines the initial flow controlled quentity controlled variable of servo-drive system, specifically includes：Set the raw material Composition, proportioning and speed of production；According to the composition of setting, the proportioning and the speed of production, target flow is determined, And determine the initial flow controlled quentity controlled variable of the servo-drive system；And/or described control unit determines the first of the heat-exchange system Beginning refrigerant controlled quentity controlled variable, is specifically included：Set the control temperature of the micro-reactor apparatus and the target refrigerant of the heat-exchange system Temperature；The heat-exchange system is opened, when waiting the current refrigerant temperature of the heat-exchange system to reach the target refrigerant temperature, is opened Dynamic cold medium flux valve, the initial refrigerant controlled quentity controlled variable for making the cold medium flux valve to be adapted to the control temperature act.

Alternatively, the collecting unit gathers the present flow rate of raw material during the feedstock transportation of the micro-reactor apparatus, Specifically include：During the servo-drive system conveys the raw material to the micro-reactor apparatus, receive by flow sensor The present flow rate of the raw material collected；And/or the collecting unit gathers the current temperature of the micro-reactor apparatus Degree, is specifically included：During the cold medium flux of the control heat-exchange system, receive what is collected by temperature sensor The Current Temperatures of the micro-reactor apparatus.

Alternatively, the feed flow of described control unit control servo-drive system, is specifically included：Obtain the present flow rate with The flow difference of target flow, determines whether the flow difference is more than the flow threshold of setting；When the flow difference is more than During the flow threshold, by flow pid control module, modified flow rate controlled quentity controlled variable is determined；The servo-drive system is set to be repaiied with described Positive flow controlled quentity controlled variable is new initial flow controlled quentity controlled variable, is continued through described in the servo-drive system to micro-reactor apparatus conveying Raw material；And/or the cold medium flux of described control unit control heat-exchange system, specifically include：Obtain the Current Temperatures and control The temperature gap of temperature, determines whether the temperature gap is more than the temperature threshold of setting；Described in being more than when the temperature gap During temperature threshold, by temperature PID control module, it is determined that amendment temperature；Make cold medium flux valve to be adapted to the amendment temperature Amendment refrigerant controlled quentity controlled variable be new initial refrigerant controlled quentity controlled variable, continue to control the cold medium flux of the heat-exchange system；Pass through control The cold medium flux of the heat-exchange system so that when the Current Temperatures of the micro-reactor apparatus reach the control temperature, start institute State the course of reaction of micro-reactor apparatus.

The solution of the present invention, set by the adaptation of flow sensor and temperature sensor, can be according to process requirements certainly Dynamic regulation flow and temperature so that the flexibility of flow and temperature adjustment is preferable, and the precision of flow and control can also be protected Barrier.

Further, the solution of the present invention, flow is adjusted by servo-drive system, and temperature, Ke Yijing are adjusted by heat-exchange system Quasi- control flow and temperature, reliability is high, is advantageous to be lifted the stability of course of reaction, and the quality of production of product can also obtain Ensure.

Thus, the solution of the present invention, set by the adaptation of flow sensor and temperature sensor, can be according to technique need Auto-adjustment control flow is sought, solution can not automatically adjust according to process requirements and control the flow and temperature of fluid in the prior art Degree the problem of causing flow and big temperature control difficulty, so as to overcome and control that difficulty is big, reliability is low and uses in the prior art The defects of inconvenient, realize the control beneficial effect that difficulty is small, reliability is high and easy to use.

Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification Obtain it is clear that or being understood by implementing the present invention.

Below by drawings and examples, technical scheme is described in further detail.

Brief description of the drawings

Fig. 1 be the present invention micro-reactor apparatus flow and temprature control method an embodiment schematic flow sheet；

Fig. 2 is the flow signal of an embodiment of the initial flow controlled quentity controlled variable that servo-drive system is determined in the method for the present invention Figure；

Fig. 3 is that the flow of an embodiment of the initial refrigerant controlled quentity controlled variable that the heat-exchange system is determined in the method for the present invention is shown It is intended to；

Fig. 4 is the schematic flow sheet of an embodiment of the feed flow that servo-drive system is controlled in the method for the present invention；

Fig. 5 is the schematic flow sheet of an embodiment of the cold medium flux that heat-exchange system is controlled in the method for the present invention；

Fig. 6 is the schematic flow sheet of the embodiment that flow controls in method of the invention；

Fig. 7 is the schematic flow sheet of a temperature controlled embodiment in method of the invention；

Fig. 8 be the present invention micro-reactor apparatus flow and temperature control system an embodiment structural representation.

With reference to accompanying drawing, reference is as follows in the embodiment of the present invention：

102- collecting units；104- control units.

Embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and Technical solution of the present invention is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the present invention one Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.

According to an embodiment of the invention, there is provided the flow and temprature control method of a kind of micro-reactor apparatus, as shown in Figure 1 The schematic flow sheet of one embodiment of the method for the present invention.The flow and temprature control method of the micro-reactor apparatus can include：

At step S110, gather the micro-reactor apparatus feedstock transportation (such as：Accumulator is to the micro-reactor apparatus Transferring raw material) during raw material present flow rate；And/or gather the Current Temperatures of the micro-reactor apparatus.

In an optional example, raw material during the feedstock transportation of the micro-reactor apparatus is gathered in the step S110 Present flow rate, can include：The servo-drive system to the micro-reactor apparatus convey the raw material (such as：With it is described The accumulator of micro-reactor apparatus, and/or micro-reactor apparatus adaptation is provided with servo-drive system, is adapted to and sets with the servo-drive system The motor put, the flow pump for being adapted to and setting with the motor is driven, the raw material in accumulator is conveyed to micro-reactor apparatus) process In, receive the present flow rate of the raw material collected by flow sensor.

Such as：The flow sensor, setting is adapted to the flow pump, can be used for gathering the flow pump to described Micro-reactor apparatus conveys the rate-of flow of the raw material.

Such as：Flow sensor, it can be used for the flow rate information for detecting reaction medium in the micro-reactor apparatus.

Such as：Flow sensor is used to detect reaction speed of production, the value of feedback that system detects according to flow sensor, leads to The rotating speed that pid control algorithm adjusts each rate-of flow pump in real time is crossed, to reach the accurate control to reaction medium ratio.

In an optional example, the Current Temperatures of the micro-reactor apparatus are gathered in the step S110, can be included： During the cold medium flux of the control heat-exchange system, receive the micro- reaction collected by temperature sensor and set The standby Current Temperatures.

Such as：Temperature sensor, it can be used for the Current Temperatures for gathering the reaction channel of the micro-reactor apparatus.

Such as：It can be acquired by collecting unit 102.Collecting unit 102, it can include：Temperature sensor, flow Sensor etc..

Such as：The temperature sensor, it can be used for the temperature information for detecting the scene of being reacted in the micro-reactor apparatus.

Such as：Temperature sensor is used to detect each several part temperature, system according to the value of feedback and setting value of temperature sensor, Control the cold medium flux of heat-exchange system in real time by pid control algorithm, so as to accurately control the input temp of each reaction medium with And the temperature of course of reaction, to reach stable course of reaction, ensure the purpose of product quality.

More alternatively, collecting unit 102, can also include：Analogue collection module.

Such as：Analogue collection module, connection is adapted to described control unit 104, can be used for receiving the temperature biography The detection signal of the detection means such as sensor, flow sensor, and transmit to described control unit 104.

Such as：Analogue collection module is used for receiving the detection signal of temperature sensor, flow sensor etc., system according to The analog signalses of collection are converted to data signal and shown, while can be automatic according to the actual valve system of unlike signal Different reactions is done, so as to realize the requirement of the automated closed-loop of system control.

Thus, the information such as flow, temperature can be obtained by flow sensor, temperature sensor etc., acquisition modes are easy, The reliability for obtaining result is high.

At step S120, according to the present flow rate, control servo-drive system feed flow (such as：Watched by control The feed flow of dress system, control the feed flow of servo-drive system)；And/or according to the Current Temperatures, control heat-exchange system Cold medium flux (such as：By controlling the cold medium flux of heat-exchange system, the cold medium flux of heat-exchange system is controlled；By with heat exchange The cold medium flux valve that system adaptation is set, the cold medium flux of the heat-exchange system is controlled, to control the anti-of the micro-reactor apparatus Answer temperature).

Such as：It can be controlled by control unit 104.Control unit 104, can be used for by the detection signal by After analog signal is converted to data signal, sends to the first display and shown；And/or believed according to the different detections Number actual value, adaptation adjusts the micro-reactor apparatus, so that the micro-reactor apparatus carries out the change matched with the actual value Reaction is learned, to carry out closed-loop control to the chemical reaction process of the micro-reactor apparatus.

Thus, by information such as the flow of acquisition, temperature, the feed flow in raw material input process can be controlled, is controlled Accuracy is good；The reaction temperature of micro-reactor apparatus can also be controlled, can preferably grasp reaction temperature, is advantageous to lifting reaction Reliability and high efficiency.

In an optional example, the transport Stream of the control servo-drive system in method that can be of the invention with reference to shown in Fig. 4 One embodiment schematic flow sheet of amount, further illustrate the detailed process for the feed flow that servo-drive system is controlled in step S120.

Step S410, the present flow rate and the flow difference of target flow are obtained, determine whether the flow difference is big In the flow threshold of setting.

Step S420, when the flow difference is more than the flow threshold, by flow pid control module, it is determined that repairing Positive flow controlled quentity controlled variable.Such as：The present flow rate is inputted to flow pid control module, the initial flow controlled quentity controlled variable is entered Row amendment, obtains modified flow rate controlled quentity controlled variable.Such as：By the present flow rate input to flow pid control module (such as：With it is micro- The flow pid control module that the industrial computer adaptation of consersion unit is set), the initial flow controlled quentity controlled variable is modified, obtained Modified flow rate controlled quentity controlled variable (such as：The simulation content of starting materials output valve of amendment).

Step S430, make the servo-drive system using the modified flow rate controlled quentity controlled variable as new initial flow controlled quentity controlled variable, continue By the servo-drive system to the micro-reactor apparatus convey the raw material (such as：Continue through stream described in the motor driven Measure pump and convey the raw material to the micro-reactor apparatus).

Such as：Flow setting value and flow feedback value are input to flow pid control module, according to pre- as input variable Fixed PID calculation formula handle input data, obtain output result, are exported by analog output port.

Such as：It control unit 104, can be used for inputting the present flow rate to default flow pid control module, lead to Cross the flow pid control module and flow correction is carried out to the present flow rate, obtain revised analog quantity flow correction value (such as：Modified flow rate controlled quentity controlled variable).And input the analog quantity flow correction value to the servo-drive system again, make institute Stating servo-drive system drives the motor to rotate, so circulation.

Thus, by according to the flow collected, adaptation adjustment being carried out to analog quantity needed for servo-drive system, and then adjust former The feed flow of material, control reliability is high, and accuracy is good.

In an optional example, the refrigerant stream of the control heat-exchange system in method that can be of the invention with reference to shown in Fig. 5 One embodiment schematic flow sheet of amount, further illustrate the detailed process for the cold medium flux that heat-exchange system is controlled in step S120.

Step S510, the Current Temperatures are obtained with controlling the temperature gap of temperature, determine whether the temperature gap is big In the temperature threshold of setting.

Step S520, when the temperature gap is more than the temperature threshold, by temperature PID control module, it is determined that repairing Positive temperature.Such as：By the Current Temperatures input to temperature PID control module (such as：It is adapted to the industrial computer of micro-reactor apparatus The temperature PID control module of setting), the initial refrigerant controlled quentity controlled variable is modified, obtains what is be adapted to the amendment temperature Correct refrigerant controlled quentity controlled variable.

Step S530, the amendment refrigerant controlled quentity controlled variable for making cold medium flux valve to be adapted to the amendment temperature is newly initial cold Matchmaker's controlled quentity controlled variable, continue to control the cold medium flux of the heat-exchange system.

Such as：Desired temperature and temperature feedback value are input to temperature PID control module, according to pre- as input variable Fixed PID calculation formula handle input data, obtain output result, are exported by analog output port.

Such as：The current reaction temperature is inputted to default pid control module (i.e. temperature PID control module), led to Cross the pid control module and carry out temperature adjustmemt, obtain analog quantity temperature corrected value (such as：Correct temperature)；And lead to again Cross the analog output module, by the analog quantity temperature corrected value export to the proportional flow control valve (such as：Cold medium flux Valve), by controlling the cold medium flux that the temperature of the micro-reactor apparatus is adjusted, so to circulate.

Step S540, by the cold medium flux for controlling the heat-exchange system so that the Current Temperatures of the micro-reactor apparatus When reaching the control temperature, start the course of reaction of the micro-reactor apparatus, so that the micro-reactor apparatus is with the control Temperature is reaction temperature, is reacted.

Such as：Control unit 104, it can be also used for inputting the current reaction temperature to the pid control module, lead to Cross the pid control module and carry out temperature adjustmemt, obtain analog quantity temperature corrected value；It is and defeated again by the analog quantity Go out module, the analog quantity temperature corrected value is exported to the proportional flow control valve, with by controlling the cold medium flux to institute State current reaction temperature to be adjusted, so circulation.

Thus, by the way that according to the temperature collected, the cold medium flux for exchanging hot systems control with being adapted to adjustment, so as to The reaction temperature of micro-reactor apparatus can be more efficiently controlled, and reliability is high.

In an optional embodiment, it can also include：Determine the initial flow controlled quentity controlled variable of the servo-drive system.Example Such as：Gathered in the step S110 during the feedstock transportation of the micro-reactor apparatus before the present flow rate of raw material, it is determined that Servo-drive system (such as：The servo-drive system set is adapted to the accumulator of the micro-reactor apparatus and/or the micro-reactor apparatus) Required initial flow controlled quentity controlled variable, make the servo-drive system by motor (such as：The motor being adapted to the servo-drive system), band Dynamic flow pump (such as：The flow pump being adapted to the motor) to the micro-reactor apparatus convey the raw material.

Such as：The servo-drive system is adapted to setting with the motor, can be used for, by the simulation controlled quentity controlled variable, being converted to institute The running speed of motor is stated, to drive the motor to rotate.

Such as：The motor is adapted to setting with the flow pump, can be used for rotating with the running speed, to drive State flow pump action.

Such as：The flow pump is adapted to setting with the micro-reactor apparatus, can be used for the anti-of the micro-reactor apparatus Passage is answered to convey the raw material.

Thus, by the feed flow of servo system control raw material, control convenience is good, and accuracy is good.

In an optional example, the initial flow of the determination servo-drive system in method that can be of the invention with reference to shown in Fig. 2 An embodiment schematic flow sheet of controlled quentity controlled variable is measured, further illustrates the specific mistake for the initial flow controlled quentity controlled variable for determining servo-drive system Journey.

Step S210, setting (such as：Set by the first display) composition, proportioning and the production speed of the raw material Degree (such as：Speed of production of the raw material in the reaction channel of the micro-reactor apparatus).

Such as：By the first display, composition, proportioning and the raw material of the raw material are set in micro- reaction Speed of production in the reaction channel of equipment.

Such as：First display, with described control unit 104 (such as：Industrial computer) adaptation connection (such as：Pass through video Connecting line is attached), for provide operation and control interface (such as：Touch circle that the micro-reactor apparatus is operated and controlled Face), and/or the instruction input information and state of all kinds of parameters needed for being chemically reacted to the micro-reactor apparatus show Show.

Such as：First display can include：Touch control display.

Such as：First display is touch control display, is connected with industrial computer by video connecting line, for display and operation circle All kinds of parameter instruction inputs and all kinds of status displays needed for face, micro- anti-device reaction.

Step S220, according to the composition of setting, the proportioning and the speed of production, target flow is determined, and really The initial flow controlled quentity controlled variable of the fixed servo-drive system.Such as：According to the composition of setting, the proportioning and the production Speed, determine the volume flow of each composition in the raw material；The volume flow is converted into needed for the servo-drive system Analog quantity, i.e., described initial flow controlled quentity controlled variable.

Such as：By control unit 104, according to the composition of the raw material, with when speed of production, the servo system is determined Simulation controlled quentity controlled variable (analog quantity i.e. needed for servo-drive system) needed for system.

Such as：The theory of each composition in the raw material can be determined first according to the proportioning and the speed of production Mass flow；Further according to the composition of the raw material, density corresponding with the composition in the raw database is determined；Then root According to each composition density (such as：According to the composition of setting, from raw database, extraction is corresponding with the composition Density) and each composition Theoretical Mass flow, determine the volume flow of each composition.

Such as：By the volume flow, be converted into the servo-drive system (such as：With the micro-reactor apparatus and/or storing Device adaptation set servo-drive system) needed for analog quantity, i.e., described initial flow controlled quentity controlled variable, with pass through the servo-drive system, will The analog quantity is converted into the running speed for the motor being adapted to the servo-drive system, the motor is driven with the running speed The flow pump action, the raw material is conveyed to the micro-reactor apparatus.

Such as：The analog quantity is converted into the running speed for the motor being adapted to the servo-drive system by servo-drive system, with The motor is rotated with the running speed, the flow pump action being adapted to the motor is driven, to the micro-reactor apparatus Reaction channel convey the raw material.

Such as：The Analog input mModule, setting is adapted to the servo-drive system, can be used for for the servo-drive system Setting signal is provided.

Such as：Analog output module is used for providing Setting signal for servo-drive system, and servo-drive system is according to analog output The given signal of module is handled and is converted into the tach signal of flow pump and is controlled.

Such as：The servo-drive system, it is adapted to sets with the flow pump of described control unit 104 and the micro-reactor apparatus respectively Put, can be used for carrying out adaptation processing according to the Setting signal, and be converted to the tach signal of flow pump, to the flow pump Rotating speed be controlled.

Such as：Servo-drive system is used for accurate control flow rate, the amount given according to system and flow sensor The actual value of feedback, each channel media real-time traffic is accurately controlled by PID control.

More can ground, can also include：I/O input/output modules.Further, it is adapted to, is additionally provided with the flow pump： Button, indicator lamp and magnetic valve etc..

Such as：The I/O input/output modules, respectively with described control unit 104 and the button, the instruction The adaptation connection of at least one of lamp, the magnetic valve, described liquid level sensor etc., can be used for exporting and/or described in receiving by At least one on-off models such as button, the indicator lamp, the magnetic valve, the liquid level sensor.

Such as：Described control unit 104, it can be used for, according to the on-off model, determining the micro-reactor apparatus Current operating state.

Such as：I/O input/output modules are all kinds of for exporting and receiving button, indicator lamp, magnetic valve, liquid level sensor etc. On-off model, system (such as start, suspended, jerk button actions) according to all kinds of on-off models, judge and output is different Working condition (such as：Normally, the instruction state such as failure, standby, pipeline pressure is excessive or too small, velocity of medium is too fast or mistake The working conditions such as slowly, reaction temperature is too high or too low).

Thus, by the composition of raw material, with information such as when speeds of production, analog quantity needed for servo-drive system is determined, favorably In the accuracy of lifting servo system control, and then be advantageous to be lifted the reliability of feedstock transportation.

In an optional embodiment, it can also include：Determine the initial refrigerant controlled quentity controlled variable of the heat-exchange system.Example Such as：Before gathering the Current Temperatures of the micro-reactor apparatus in the step S110, by with heat-exchange system (such as：With institute State micro-reactor apparatus adaptation set heat-exchange system) adaptation set cold medium flux valve (such as：Proportional flow control valve), described in control The cold medium flux of heat-exchange system, to control the reaction temperature of the micro-reactor apparatus.

Such as：The heat-exchange system, setting is adapted to the micro-reactor apparatus, can be used for adjusting the micro-reactor apparatus Reaction channel reaction temperature.

Such as：The proportional flow control valve, setting is adapted to the heat-exchange system, can be used for controlling the heat-exchange system Cold medium flux.

Thus, the reaction temperature of micro-reactor apparatus is adjusted by heat-exchange system, the reliability of dynamic regulation is high, and regulation side Formula is easy.

In an optional example, at the beginning of heat-exchange system described in the determination in method that can be of the invention with reference to shown in Fig. 3 One embodiment schematic flow sheet of beginning refrigerant controlled quentity controlled variable, further illustrate the initial refrigerant controlled quentity controlled variable of the determination heat-exchange system Detailed process.

Step S310, set the control temperature of the micro-reactor apparatus and the target refrigerant temperature of the heat-exchange system.

Such as：First display, can be also used for setting the goal response temperature of the reaction channel of the micro-reactor apparatus, And/or the target refrigerant temperature of the heat-exchange system.

Step S320, the heat-exchange system is opened, wait the current refrigerant temperature of the heat-exchange system to reach the target During refrigerant temperature, startup cold medium flux valve (such as：The cold medium flux valve that is adapted to the heat-exchange system, proportional flow control valve etc.), The initial refrigerant controlled quentity controlled variable for making the cold medium flux valve to be adapted to the control temperature acts.

Such as：The host computer procedures such as PLC, control software, after handling setting data and feedback data using PID modes, obtain The output result gone out.

Such as：By default analog output module, to be adapted to the heat-exchange system proportional flow control valve (such as： Cold medium flux valve), output with it is described control temperature be adapted to analog quantity temperature control amount (such as：Initial refrigerant controlled quentity controlled variable), with Make the proportional flow valve events, control the cold medium flux of the heat-exchange system.

Such as：Analog output module, it can be used for exporting to the proportional flow control valve and fitted with the target refrigerant temperature The analog quantity temperature control amount matched somebody with somebody.

Such as：Described control unit 104 (such as：Controller, industrial computer etc.), it can be also used for opening the heat exchange system System, until when the current refrigerant temperature of the heat-exchange system reaches the target refrigerant temperature, start the micro-reactor apparatus, and The analog quantity temperature control amount is exported by the analog output module, so that the proportional flow valve events, to described Cold medium flux is controlled.

Such as：The heat-exchange system, setting is adapted to described control unit 104, can be used for controlling micro- reaction to set Standby reaction temperature.

Such as：Heat-exchange system is used for controlling reaction temperature, according to the reality of system set point temperature and temperature sensor feedback Actual value, each channel for heat exchange cold medium flux is accurately controlled by PID control, temperature and reaction so as to each medium of indirect control The temperature of process.

Thus, by when current refrigerant temperature reaches target refrigerant temperature, being entered by cold medium flux valve to cold medium flux Row control, the promptness and accuracy of control are preferable.

In an optional example application, by the first display, servo-drive system, flow pump, motor, flow sensor and The adaptation of control unit 104 is set, it is possible to achieve the control to reaction medium flow in the reaction channel of the micro-reactor apparatus.

Such as：Example shown in Figure 6, the step of for controlling flow, it can include：

(1), first display, it can be used for setting and stay in the micro-reactor apparatus raw material to be chemically reacted Composition, with parameters such as when speeds of production.

Such as：The various parameters such as composition of raw material, formula rate and speed of production are set by the first display.

(2), described control unit 104, can be determined each in the raw material according to the raw material with when speed of production The Theoretical Mass flow of composition.

Such as：System calculates each Theory of Components mass flow according to formula rate and speed of production.

Wherein, mass flow is in the unit interval, and fluid passes through closed conduct or the fluid mass of open channel effective cross-section.

(3), described control unit 104, can be extracted according to the composition of the raw material from default raw database The density of the raw material corresponding with the composition of the raw material, and calculated respectively according to the mass flowmenter of each composition in the raw material The volume flow of composition.

Such as：System by the composition of raw material of setting extract density p corresponding to composition and according to calculate it is each into Point mass flow calculation goes out the volume flow of each composition.

(4), described control unit 104, the volume flow can be converted to the analog quantity needed for servo-drive system.

Such as：System servo-drive system is converted into according to gross data according to the volume flow calculated needed for analog quantity.

(5), the servo-drive system, the analog quantity can be converted into motor speed and be exported.

Such as：Servo-drive system motor speed according to corresponding to being converted into the analog quantity that control system is transmitted exports.

(6), the motor is run with the motor speed, is driven flow pump action, is exported the raw material.

Such as：Motor driven flow pump acts, and exports flow of raw materials.

(7), the flow sensor, the rate-of flow in the raw material output procedure is detected, and it is single to feed back to the control Member 104.

Such as：The rate-of flow of flow sensor detection output, and instantaneous value is fed back into control system.

(8), described control unit 104, the rate-of flow can be inputted to default pid control module, be modified Processing, and obtain revised analog output value.

Such as：The flow pid control module that the flow value of acquisition is input in system by system is handled, and obtains the mould of amendment Analog quantity output valve.

(9), described control unit 104, the analog output value can be inputted to the servo-drive system again.

Such as：The analog output value for correcting completion is inputted servo-drive system by system again.

(10), the servo-drive system drive motor rotates, so circulation.

Such as：So circulation, form closed-loop control.

In an optional example application, by the first display, heat-exchange system, proportional flow control valve, temperature sensor and The adaptation of control unit 104 is set, it is possible to achieve the control to reaction temperature in the reaction channel of the micro-reactor apparatus.

Such as：Example shown in Figure 7, the step of for controlling reaction temperature, it can include：

(1), first display, the reaction temperature for each reaction channel that can be used for setting the micro-reactor apparatus, And/or the refrigerant temperature of the heat-exchange system.

Such as：Reactor each several part is set by the first display and controls temperature and heat-exchange system refrigerant temperature.

(2), described control unit 104, the heat-exchange system can be started, until the refrigerant in the heat-exchange system reaches The default refrigerant temperature.

Such as：System starts heat-exchange system and waits refrigerant to reach preset temperature.

(3), described control unit 104, it can control proportional flow control valve action by analog output module, control refrigerant Flow.

Such as：System controls proportional flow control valve to act by analog output, controls cold medium flux.

(4), the temperature sensor, the current reaction temperature of the micro-reactor apparatus can be detected, and testing result is anti- It is fed to described control unit 104.

Such as：Temperature sensor detects reactor Current Temperatures and detected value is fed back into control system.

(5), described control unit 104, the current reaction temperature can be inputted to default pid control module, carried out Correcting process, obtain carrying out the analog output value after temperature modification, i.e. reaction temperature correction value.

Such as：Temperature feedback value is input to temperature PID control resume module in system by system, obtains the analog quantity of amendment Output valve.

(6), described control unit 104, the reaction temperature correction value can be exported to proportional flow control valve, control refrigerant Flow.

Such as：The temperature control analog value of amendment is output to proportional flow control valve by system, controls cold medium flux.

(7), described control unit 104, the refrigerant temperature of the heat-exchange system can be monitored, when the refrigerant temperature reaches Start the microreactor after default controlling value to be reacted.

Such as：Start reaction after reaching controlling value Deng temperature of reactor.

(8), described control unit 104, according to the testing result of the temperature sensor, proportional flow control valve is controlled, is adjusted cold Matchmaker's flow, so controlling reaction temperature, circulation.

Such as：Temperature that the real-time detection temperature sensor of system detects simultaneously by system timely processing and feeds back to ratio Flow valve, control cold medium flux, so circulation.

It can be seen that by detection temperature and feeding back to control system, the flow of refrigerant is further controlled, can more precisely, more The reliably medium temperature at control reaction scene, be advantageous to lift reaction effect.

Through substantial amounts of verification experimental verification, using the technical scheme of the present embodiment, pass through flow sensor and temperature sensor Adaptation is set, can be according to process requirements flow automatic regulation and temperature so that the flexibility of flow and temperature adjustment is preferable, stream Amount and the precision of control can also be protected.

According to an embodiment of the invention, one kind of the flow and temprature control method corresponding to micro-reactor apparatus is additionally provided The structural representation of the flow and temperature control system of micro-reactor apparatus, as shown in Figure 8 an embodiment of the system of the present invention.Should The flow and temperature control system of micro-reactor apparatus be able to can include：Collecting unit 102 and control unit 104.

In an optional example, collecting unit 102, it can be used for the feedstock transportation (example for gathering the micro-reactor apparatus Such as：Accumulator is to the micro-reactor apparatus transferring raw material) during raw material present flow rate；And/or collection micro- reaction is set Standby Current Temperatures.The concrete function of the collecting unit 102 and processing are referring to step S110.

Alternatively, the collecting unit 102 gathers the current stream of raw material during the feedstock transportation of the micro-reactor apparatus Amount, can specifically include：The servo-drive system to the micro-reactor apparatus convey the raw material (such as：With it is described micro- anti- Answer the accumulator of equipment, and/or micro-reactor apparatus adaptation to be provided with servo-drive system, be adapted to what is set with the servo-drive system Motor, the flow pump for being adapted to and setting with the motor is driven, the raw material in accumulator is conveyed to micro-reactor apparatus) during, Receive the present flow rate of the raw material collected by flow sensor.

Such as：The flow sensor, setting is adapted to the flow pump, can be used for gathering the flow pump to described Micro-reactor apparatus conveys the rate-of flow of the raw material.

Such as：Flow sensor, it can be used for the flow rate information for detecting reaction medium in the micro-reactor apparatus.

Such as：Flow sensor is used to detect reaction speed of production, the value of feedback that system detects according to flow sensor, leads to The rotating speed that pid control algorithm adjusts each rate-of flow pump in real time is crossed, to reach the accurate control to reaction medium ratio.

Alternatively, the collecting unit 102 gathers the Current Temperatures of the micro-reactor apparatus, can specifically include：Institute During stating the cold medium flux for controlling the heat-exchange system, the micro-reactor apparatus that is collected by temperature sensor is received The Current Temperatures.

Such as：Temperature sensor, it can be used for the Current Temperatures for gathering the reaction channel of the micro-reactor apparatus.

Such as：It can be acquired by collecting unit 102.Collecting unit 102, it can include：Temperature sensor, flow Sensor etc..

Such as：The temperature sensor, it can be used for the temperature information for detecting the scene of being reacted in the micro-reactor apparatus.

Such as：Temperature sensor is used to detect each several part temperature, system according to the value of feedback and setting value of temperature sensor, Control the cold medium flux of heat-exchange system in real time by pid control algorithm, so as to accurately control the input temp of each reaction medium with And the temperature of course of reaction, to reach stable course of reaction, ensure the purpose of product quality.

More alternatively, collecting unit 102, can also include：Analogue collection module.

Such as：Analogue collection module, connection is adapted to described control unit 104, can be used for receiving the temperature biography The detection signal of the detection means such as sensor, flow sensor, and transmit to described control unit 104.

Such as：Analogue collection module is used for receiving the detection signal of temperature sensor, flow sensor etc., system according to The analog signalses of collection are converted to data signal and shown, while can be automatic according to the actual valve system of unlike signal Different reactions is done, so as to realize the requirement of the automated closed-loop of system control.

Thus, the information such as flow, temperature can be obtained by flow sensor, temperature sensor etc., acquisition modes are easy, The reliability for obtaining result is high.

In an optional example, control unit 104, it can be used for, according to the present flow rate, controlling servo-drive system Feed flow (such as：By controlling the feed flow of servo-drive system, the feed flow of servo-drive system is controlled)；And/or according to institute State Current Temperatures, control heat-exchange system cold medium flux (such as：By controlling the cold medium flux of heat-exchange system, control heat exchange system The cold medium flux of system；By being adapted to the cold medium flux valve set with heat-exchange system, the cold medium flux of the heat-exchange system is controlled, with Control the reaction temperature of the micro-reactor apparatus).The concrete function of the control unit 104 and processing are referring to step S120.

Such as：It can be controlled by control unit 104.Control unit 104, can be used for by the detection signal by After analog signal is converted to data signal, sends to the first display and shown；And/or believed according to the different detections Number actual value, adaptation adjusts the micro-reactor apparatus, so that the micro-reactor apparatus carries out the change matched with the actual value Reaction is learned, to carry out closed-loop control to the chemical reaction process of the micro-reactor apparatus.

Thus, by information such as the flow of acquisition, temperature, the feed flow in raw material input process can be controlled, is controlled Accuracy is good；The reaction temperature of micro-reactor apparatus can also be controlled, can preferably grasp reaction temperature, is advantageous to lifting reaction Reliability and high efficiency.

Alternatively, described control unit 104 controls the feed flow of servo-drive system, can specifically include：Obtain described work as The flow difference of preceding flow and target flow, determines whether the flow difference is more than the flow threshold of setting.The control unit 104 concrete function and processing are referring further to step S410.

Alternatively, described control unit 104 controls the feed flow of servo-drive system, can also specifically include：When the stream When amount difference is more than the flow threshold, by flow pid control module, modified flow rate controlled quentity controlled variable is determined.Such as：Described it will work as Preceding flow is inputted to flow pid control module, and the initial flow controlled quentity controlled variable is modified, obtains modified flow rate controlled quentity controlled variable. Such as：By the present flow rate input to flow pid control module (such as：It is adapted to what is set with the industrial computer of micro-reactor apparatus Flow pid control module), the initial flow controlled quentity controlled variable is modified, obtain modified flow rate controlled quentity controlled variable (such as：Amendment Simulate content of starting materials output valve).The concrete function of the control unit 104 and processing are referring further to step S420.

Alternatively, described control unit 104 controls the feed flow of servo-drive system, can also specifically include：Make described watch Dress system continues through the servo-drive system to described micro- anti-using the modified flow rate controlled quentity controlled variable as new initial flow controlled quentity controlled variable Answer equipment convey the raw material (such as：Continue through flow pump described in the motor driven and convey institute to the micro-reactor apparatus State raw material).The concrete function of the control unit 104 and processing are referring further to step S430.

Such as：Flow setting value and flow feedback value are input to flow pid control module, according to pre- as input variable Fixed PID calculation formula handle input data, obtain output result, are exported by analog output port.

Such as：It control unit 104, can be used for inputting the present flow rate to default flow pid control module, lead to Cross the flow pid control module and flow correction is carried out to the present flow rate, obtain revised analog quantity flow correction value (such as：Modified flow rate controlled quentity controlled variable)；And input the analog quantity flow correction value to the servo-drive system again, make institute Stating servo-drive system drives the motor to rotate, so circulation.

Thus, by according to the flow collected, adaptation adjustment being carried out to analog quantity needed for servo-drive system, and then adjust former The feed flow of material, control reliability is high, and accuracy is good.

Alternatively, described control unit 104 controls the cold medium flux of heat-exchange system, can specifically include：Obtain described work as The temperature gap of preceding temperature and control temperature, determines whether the temperature gap is more than the temperature threshold of setting.The control unit 104 concrete function and processing are referring further to step S510.

Alternatively, described control unit 104 controls the cold medium flux of heat-exchange system, can also specifically include：When the temperature When degree difference is more than the temperature threshold, by temperature PID control module, it is determined that amendment temperature.Such as：By the Current Temperatures Input to temperature PID control module (such as：The temperature PID control module set is adapted to the industrial computer of micro-reactor apparatus), it is right The initial refrigerant controlled quentity controlled variable is modified, and obtains the amendment refrigerant controlled quentity controlled variable being adapted to the amendment temperature.The control unit 104 concrete function and processing are referring further to step S520.

Alternatively, described control unit 104 controls the cold medium flux of heat-exchange system, can also specifically include：Make described cold Matchmaker's flow valve continues to control the cold medium flux of the heat-exchange system using the amendment temperature as new initial refrigerant controlled quentity controlled variable.Should The concrete function of control unit 104 and processing are referring further to step S530.

Such as：Desired temperature and temperature feedback value are input to temperature PID control module, according to pre- as input variable Fixed PID calculation formula handle input data, obtain output result, are exported by analog output port.

Such as：The current reaction temperature is inputted to default pid control module (i.e. temperature PID control module), led to Cross the pid control module and carry out temperature adjustmemt, obtain analog quantity temperature corrected value (such as：Correct temperature)；And lead to again Cross the analog output module, by the analog quantity temperature corrected value export to the proportional flow control valve (such as：Cold medium flux Valve), by controlling the cold medium flux that the temperature of the micro-reactor apparatus is adjusted, so to circulate.

Alternatively, described control unit 104 controls the cold medium flux of heat-exchange system, can also specifically include：Pass through control The cold medium flux of the heat-exchange system so that when the Current Temperatures of the micro-reactor apparatus reach the control temperature, start institute The course of reaction of micro-reactor apparatus is stated, so that the micro-reactor apparatus controls temperature to be reacted as reaction temperature using described.Should The concrete function of control unit 104 and processing are referring further to step S540.

Such as：Control unit 104, it can be also used for inputting the current reaction temperature to the pid control module, lead to Cross the pid control module and carry out temperature adjustmemt, obtain analog quantity temperature corrected value；It is and defeated again by the analog quantity Go out module, the analog quantity temperature corrected value is exported to the proportional flow control valve, with by controlling the cold medium flux to institute State current reaction temperature to be adjusted, so circulation.

Thus, by the way that according to the temperature collected, the cold medium flux for exchanging hot systems control with being adapted to adjustment, so as to The reaction temperature of micro-reactor apparatus can be more efficiently controlled, and reliability is high.

In an optional embodiment, described control unit 104, can be also used for determine servo-drive system (such as：With institute State the servo-drive system that the accumulator adaptation of micro-reactor apparatus and/or the micro-reactor apparatus is set) needed for initial flow control Amount, make the servo-drive system by motor (such as：The motor being adapted to the servo-drive system), drive flow pump (such as：With institute State the flow pump of motor adaptation) convey the raw material to the micro-reactor apparatus.

Such as：The servo-drive system is adapted to setting with the motor, can be used for, by the simulation controlled quentity controlled variable, being converted to institute The running speed of motor is stated, to drive the motor to rotate.

Such as：The motor is adapted to setting with the flow pump, can be used for rotating with the running speed, to drive State flow pump action.

Such as：The flow pump is adapted to setting with the micro-reactor apparatus, can be used for the anti-of the micro-reactor apparatus Passage is answered to convey the raw material.

Thus, by the feed flow of servo system control raw material, control convenience is good, and accuracy is good.

In an optional example, described control unit 104 determines the initial flow controlled quentity controlled variable of servo-drive system, specifically can be with Including：Setting (such as：Set by the first display) composition of the raw material, proportioning and speed of production (such as：It is described Speed of production of the raw material in the reaction channel of the micro-reactor apparatus).The concrete function of the control unit 104 and processing are also joined See step S210.

Such as：By the first display, composition, proportioning and the raw material of the raw material are set in micro- reaction Speed of production in the reaction channel of equipment.

Such as：First display, with described control unit 104 (such as：Industrial computer) adaptation connection (such as：Pass through video Connecting line is attached), for provide operation and control interface (such as：Touch circle that the micro-reactor apparatus is operated and controlled Face), and/or the instruction input information and state of all kinds of parameters needed for being chemically reacted to the micro-reactor apparatus show Show.

Such as：First display can include：Touch control display.

Such as：First display is touch control display, is connected with industrial computer by video connecting line, for display and operation circle All kinds of parameter instruction inputs and all kinds of status displays needed for face, micro- anti-device reaction.

In an optional example, described control unit 104 determines the initial flow controlled quentity controlled variable of servo-drive system, specifically may be used also With including：According to the composition of setting, the proportioning and the speed of production, target flow is determined, and determine the servo The initial flow controlled quentity controlled variable of system.Such as：According to the composition of setting, the proportioning and the speed of production, it is determined that The volume flow of each composition in the raw material；By the volume flow, the analog quantity needed for the servo-drive system is converted into, I.e. described initial flow controlled quentity controlled variable.The concrete function of the control unit 104 and processing are referring further to step S220.

Such as：By control unit 104, according to the composition of the raw material, with when speed of production, the servo system is determined Simulation controlled quentity controlled variable (analog quantity i.e. needed for servo-drive system) needed for system.

Such as：The theory of each composition in the raw material can be determined first according to the proportioning and the speed of production Mass flow；Further according to the composition of the raw material, density corresponding with the composition in the raw database is determined；Then root According to each composition density (such as：According to the composition of setting, from raw database, extraction is corresponding with the composition Density) and each composition Theoretical Mass flow, determine the volume flow of each composition.

Such as：Described control unit 104 determines the initial flow controlled quentity controlled variable of servo-drive system, can also specifically include：By institute State volume flow, be converted into the servo-drive system (such as：The servo set is adapted to the micro-reactor apparatus and/or accumulator System) needed for analog quantity, i.e., described initial flow controlled quentity controlled variable, so that by the servo-drive system, the analog quantity to be converted into The running speed for the motor being adapted to the servo-drive system, the motor is set to drive the flow pump to act with the running speed, The raw material is conveyed to the micro-reactor apparatus.

Such as：The analog quantity is converted into the running speed for the motor being adapted to the servo-drive system by servo-drive system, with The motor is rotated with the running speed, the flow pump action being adapted to the motor is driven, to the micro-reactor apparatus Reaction channel convey the raw material.

Such as：The Analog input mModule, setting is adapted to the servo-drive system, can be used for for the servo-drive system Setting signal is provided.

Such as：Analog output module is used for providing Setting signal for servo-drive system, and servo-drive system is according to analog output The given signal of module is handled and is converted into the tach signal of flow pump and is controlled.

Such as：The servo-drive system, it is adapted to sets with the flow pump of described control unit 104 and the micro-reactor apparatus respectively Put, can be used for carrying out adaptation processing according to the Setting signal, and be converted to the tach signal of flow pump, to the flow pump Rotating speed be controlled.

Such as：Servo-drive system is used for accurate control flow rate, the amount given according to system and flow sensor The actual value of feedback, each channel media real-time traffic is accurately controlled by PID control.

More can ground, can also include：I/O input/output modules.Further, it is adapted to, is additionally provided with the flow pump： Button, indicator lamp and magnetic valve etc..

Such as：The I/O input/output modules, respectively with described control unit 104 and the button, the instruction The adaptation connection of at least one of lamp, the magnetic valve, described liquid level sensor etc., can be used for exporting and/or described in receiving by At least one on-off models such as button, the indicator lamp, the magnetic valve, the liquid level sensor.

Such as：Described control unit 104, it can be used for, according to the on-off model, determining the micro-reactor apparatus Current operating state.

Such as：I/O input/output modules are all kinds of for exporting and receiving button, indicator lamp, magnetic valve, liquid level sensor etc. On-off model, system (such as start, suspended, jerk button actions) according to all kinds of on-off models, judge and output is different Working condition (such as：Normally, the instruction state such as failure, standby, pipeline pressure is excessive or too small, velocity of medium is too fast or mistake The working conditions such as slowly, reaction temperature is too high or too low).

Thus, by the composition of raw material, with information such as when speeds of production, analog quantity needed for servo-drive system is determined, favorably In the accuracy of lifting servo system control, and then be advantageous to be lifted the reliability of feedstock transportation.

In an optional embodiment, described control unit 104, can be also used for by with heat-exchange system (such as：With The heat-exchange system that micro-reactor apparatus adaptation is set) adaptation set cold medium flux valve (such as：Proportional flow control valve), control institute The cold medium flux of heat-exchange system is stated, to control the reaction temperature of the micro-reactor apparatus.

Such as：The heat-exchange system, setting is adapted to the micro-reactor apparatus, can be used for adjusting the micro-reactor apparatus Reaction channel reaction temperature.

Such as：The proportional flow control valve, setting is adapted to the heat-exchange system, can be used for controlling the heat-exchange system Cold medium flux.

Thus, the reaction temperature of micro-reactor apparatus is adjusted by heat-exchange system, the reliability of dynamic regulation is high, and regulation side Formula is easy.

In an optional example, described control unit 104 controls the cold medium flux of the heat-exchange system, can specifically wrap Include：Set the control temperature of the micro-reactor apparatus and the target refrigerant temperature of the heat-exchange system.The control unit 104 Concrete function and processing referring further to step S310.

Such as：First display, can be also used for setting the goal response temperature of the reaction channel of the micro-reactor apparatus, And/or the target refrigerant temperature of the heat-exchange system.

In an optional example, described control unit 104 controls the cold medium flux of the heat-exchange system, specifically can be with Including：The heat-exchange system is opened, when waiting the current refrigerant temperature of the heat-exchange system to reach the target refrigerant temperature, is opened Dynamic cold medium flux valve (such as：The cold medium flux valve that is adapted to the heat-exchange system, proportional flow control valve etc.), make the cold medium flux Valve is acted with the initial refrigerant controlled quentity controlled variable being adapted to the control temperature, to control the cold medium flux of the heat-exchange system. The concrete function of the control unit 104 and processing are referring further to step S320.

Such as：The host computer procedures such as PLC, control software, after handling setting data and feedback data using PID modes, obtain The output result gone out.

Such as：By default analog output module, to be adapted to the heat-exchange system proportional flow control valve (such as： Cold medium flux valve), output with it is described control temperature be adapted to analog quantity temperature control amount (such as：Initial refrigerant controlled quentity controlled variable), with Make the proportional flow valve events, control the cold medium flux of the heat-exchange system.

Such as：Analog output module, it can be used for exporting to the proportional flow control valve and fitted with the target refrigerant temperature The analog quantity temperature control amount matched somebody with somebody.

Such as：Described control unit 104, it can be also used for opening the heat-exchange system, until the heat-exchange system is worked as When preceding refrigerant temperature reaches the target refrigerant temperature, start the micro-reactor apparatus, and pass through the analog output module The analog quantity temperature control amount is exported, so that the proportional flow valve events, are controlled to the cold medium flux.

Such as：The heat-exchange system, setting is adapted to described control unit 104, can be used for controlling micro- reaction to set Standby reaction temperature.

Such as：Heat-exchange system is used for controlling reaction temperature, according to the reality of system set point temperature and temperature sensor feedback Actual value, each channel for heat exchange cold medium flux is accurately controlled by PID control, temperature and reaction so as to each medium of indirect control The temperature of process.

Thus, by when current refrigerant temperature reaches target refrigerant temperature, being entered by cold medium flux valve to cold medium flux Row control, the promptness and accuracy of control are preferable.

In an optional example application, by the first display, servo-drive system, flow pump, motor, flow sensor and The adaptation of control unit 104 is set, it is possible to achieve the control to reaction medium flow in the reaction channel of the micro-reactor apparatus.

Such as：Example shown in Figure 6, the step of for controlling flow, it can include：

(1), first display, it can be used for setting and stay in the micro-reactor apparatus raw material to be chemically reacted Composition, with parameters such as when speeds of production.

Such as：The various parameters such as composition of raw material, formula rate and speed of production are set by the first display.

(2), described control unit 104, can be determined each in the raw material according to the raw material with when speed of production The Theoretical Mass flow of composition.

Such as：System calculates each Theory of Components mass flow according to formula rate and speed of production.

Wherein, mass flow is in the unit interval, and fluid passes through closed conduct or the fluid mass of open channel effective cross-section.

(3), described control unit 104, can be extracted according to the composition of the raw material from default raw database The density of the raw material corresponding with the composition of the raw material, and calculated respectively according to the mass flowmenter of each composition in the raw material The volume flow of composition.

Such as：System by the composition of raw material of setting extract density p corresponding to composition and according to calculate it is each into Point mass flow calculation goes out the volume flow of each composition.

(4), described control unit 104, the volume flow can be converted to the analog quantity needed for servo-drive system.

Such as：System servo-drive system is converted into according to gross data according to the volume flow calculated needed for analog quantity.

(5), the servo-drive system, the analog quantity can be converted into motor speed and be exported.

Such as：Servo-drive system motor speed according to corresponding to being converted into the analog quantity that control system is transmitted exports.

(6), the motor is run with the motor speed, is driven flow pump action, is exported the raw material.

Such as：Motor driven flow pump acts, and exports flow of raw materials.

(7), the flow sensor, the rate-of flow in the raw material output procedure is detected, and it is single to feed back to the control Member 104.

Such as：The rate-of flow of flow sensor detection output, and instantaneous value is fed back into control system.

(8), described control unit 104, the rate-of flow can be inputted to default pid control module, be modified Processing, and obtain revised analog output value.

Such as：The flow pid control module that the flow value of acquisition is input in system by system is handled, and obtains the mould of amendment Analog quantity output valve.

(9), described control unit 104, the analog output value can be inputted to the servo-drive system again.

Such as：The analog output value for correcting completion is inputted servo-drive system by system again.

(10), the servo-drive system drive motor rotates, so circulation.

Such as：So circulation, form closed-loop control.

In an optional example application, by the first display, heat-exchange system, proportional flow control valve, temperature sensor and The adaptation of control unit 104 is set, it is possible to achieve the control to reaction temperature in the reaction channel of the micro-reactor apparatus.

Such as：Example shown in Figure 7, the step of for controlling reaction temperature, it can include：

(1), first display, the reaction temperature for each reaction channel that can be used for setting the micro-reactor apparatus, And/or the refrigerant temperature of the heat-exchange system.

Such as：Reactor each several part is set by the first display and controls temperature and heat-exchange system refrigerant temperature.

(2), described control unit 104, the heat-exchange system can be started, until the refrigerant in the heat-exchange system reaches The default refrigerant temperature.

Such as：System starts heat-exchange system and waits refrigerant to reach preset temperature.

(3), described control unit 104, it can control proportional flow control valve action by analog output module, control refrigerant Flow.

Such as：System controls proportional flow control valve to act by analog output, controls cold medium flux.

(4), the temperature sensor, the current reaction temperature of the micro-reactor apparatus can be detected, and testing result is anti- It is fed to described control unit 104.

Such as：Temperature sensor detects reactor Current Temperatures and detected value is fed back into control system.

(5), described control unit 104, the current reaction temperature can be inputted to default pid control module, carried out Correcting process, obtain carrying out the analog output value after temperature modification, i.e. reaction temperature correction value.

Such as：Temperature feedback value is input to temperature PID control resume module in system by system, obtains the analog quantity of amendment Output valve.

(6), described control unit 104, the reaction temperature correction value can be exported to proportional flow control valve, control refrigerant Flow.

Such as：The temperature control analog value of amendment is output to proportional flow control valve by system, controls cold medium flux.

(7), described control unit 104, the refrigerant temperature of the heat-exchange system can be monitored, when the refrigerant temperature reaches Start the microreactor after default controlling value to be reacted.

Such as：Start reaction after reaching controlling value Deng temperature of reactor.

(8), described control unit 104, according to the testing result of the temperature sensor, proportional flow control valve is controlled, is adjusted cold Matchmaker's flow, so controlling reaction temperature, circulation.

Such as：Temperature that the real-time detection temperature sensor of system detects simultaneously by system timely processing and feeds back to ratio Flow valve, control cold medium flux, so circulation.

It can be seen that by detection temperature and feeding back to control system, the flow of refrigerant is further controlled, can more precisely, more The reliably medium temperature at control reaction scene, be advantageous to lift reaction effect.

The processing and function realized by the system of the present embodiment essentially correspond to earlier figures 1 to the method shown in Fig. 7 Embodiment, principle and example, therefore not detailed part in the description of the present embodiment, may refer to mutually speaking on somebody's behalf in previous embodiment It is bright, it will not be described here.

Through substantial amounts of verification experimental verification, using technical scheme, flow is adjusted by servo-drive system, is by exchanging heat System regulation temperature, can be precisely controlled flow and temperature, and reliability is high, be advantageous to be lifted the stability of course of reaction, product The quality of production can also be protected.

To sum up, it will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be certainly Combined, be superimposed by ground.

Embodiments of the invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made, Equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.

Claims (10)

1. the flow and temprature control method of a kind of micro-reactor apparatus, it is characterised in that including：

Gather the present flow rate of raw material during the feedstock transportation of the micro-reactor apparatus；And/or gather the micro-reactor apparatus Current Temperatures；

According to the present flow rate, the feed flow of servo-drive system is controlled；And/or according to the Current Temperatures, control heat exchange system The cold medium flux of system.

2. according to the method for claim 1, it is characterised in that also include：

Determine the initial flow controlled quentity controlled variable of the servo-drive system；

And/or

Determine the initial refrigerant controlled quentity controlled variable of the heat-exchange system.

3. according to the method for claim 2, it is characterised in that the initial flow control for determining the servo-drive system Amount, including：

Set composition, proportioning and the speed of production of the raw material；

According to the composition of setting, the proportioning and the speed of production, target flow is determined, and determine the servo-drive system The initial flow controlled quentity controlled variable；

And/or

The initial refrigerant controlled quentity controlled variable for determining the heat-exchange system, including：

Set the control temperature of the micro-reactor apparatus and the target refrigerant temperature of the heat-exchange system；

The heat-exchange system is opened, when waiting the current refrigerant temperature of the heat-exchange system to reach the target refrigerant temperature, is opened Dynamic cold medium flux valve, the initial refrigerant controlled quentity controlled variable for making the cold medium flux valve to be adapted to the control temperature act.

4. according to the method described in one of claim 1-3, it is characterised in that

The present flow rate of raw material during the feedstock transportation of the collection micro-reactor apparatus, including：

During the servo-drive system conveys the raw material to the micro-reactor apparatus, receive and collected by flow sensor The raw material the present flow rate；

And/or

The Current Temperatures of the collection micro-reactor apparatus, including：

During the cold medium flux of the control heat-exchange system, receive collected by temperature sensor it is described micro- anti- Answer the Current Temperatures of equipment.

5. according to the method described in one of claim 1-4, it is characterised in that the feed flow of the control servo-drive system, bag Include：

The present flow rate and the flow difference of target flow are obtained, determines whether the flow difference is more than the flow threshold of setting Value；

When the flow difference is more than the flow threshold, by flow pid control module, modified flow rate controlled quentity controlled variable is determined；

The servo-drive system is set to continue through the servo system using the modified flow rate controlled quentity controlled variable as new initial flow controlled quentity controlled variable Unite and convey the raw material to the micro-reactor apparatus；

And/or

The cold medium flux of the control heat-exchange system, including：

Obtain the Current Temperatures and control the temperature gap of temperature, determine whether the temperature gap is more than the temperature threshold of setting Value；

When the temperature gap is more than the temperature threshold, by temperature PID control module, it is determined that amendment temperature；

The amendment refrigerant controlled quentity controlled variable for making cold medium flux valve to be adapted to the amendment temperature continues as new initial refrigerant controlled quentity controlled variable Control the cold medium flux of the heat-exchange system；

By the cold medium flux for controlling the heat-exchange system so that the Current Temperatures of the micro-reactor apparatus reach the control temperature When spending, start the course of reaction of the micro-reactor apparatus.

6. the flow and temperature control equipment of a kind of micro-reactor apparatus, it is characterised in that including：

Collecting unit, the present flow rate of raw material during the feedstock transportation for gathering the micro-reactor apparatus；And/or collection The Current Temperatures of the micro-reactor apparatus；

Control unit, for according to the present flow rate, controlling the feed flow of servo-drive system；And/or according to the current temperature Degree, control the cold medium flux of heat-exchange system.

7. device according to claim 6, it is characterised in that also include：

Described control unit, it is additionally operable to determine the initial flow controlled quentity controlled variable of servo-drive system；

And/or

Described control unit, it is additionally operable to determine the initial refrigerant controlled quentity controlled variable of the heat-exchange system.

8. device according to claim 7, it is characterised in that

Described control unit determines the initial flow controlled quentity controlled variable of servo-drive system, specifically includes：

Set composition, proportioning and the speed of production of the raw material；

According to the composition of setting, the proportioning and the speed of production, target flow is determined, and determine the servo-drive system The initial flow controlled quentity controlled variable；

And/or

Described control unit determines the initial refrigerant controlled quentity controlled variable of the heat-exchange system, specifically includes：

Set the control temperature of the micro-reactor apparatus and the target refrigerant temperature of the heat-exchange system；

The heat-exchange system is opened, when waiting the current refrigerant temperature of the heat-exchange system to reach the target refrigerant temperature, is opened Dynamic cold medium flux valve, the initial refrigerant controlled quentity controlled variable for making the cold medium flux valve to be adapted to the control temperature act.

9. according to the device described in one of claim 6-8, it is characterised in that

The present flow rate of raw material, is specifically included during the feedstock transportation of the collecting unit collection micro-reactor apparatus：

During the servo-drive system conveys the raw material to the micro-reactor apparatus, receive and collected by flow sensor The raw material the present flow rate；

And/or

The collecting unit gathers the Current Temperatures of the micro-reactor apparatus, specifically includes：

During the cold medium flux of the control heat-exchange system, receive collected by temperature sensor it is described micro- anti- Answer the Current Temperatures of equipment.

10. according to the device described in one of claim 6-9, it is characterised in that described control unit controls the defeated of servo-drive system Flow is sent, is specifically included：

The present flow rate and the flow difference of target flow are obtained, determines whether the flow difference is more than the flow threshold of setting Value；

When the flow difference is more than the flow threshold, by flow pid control module, modified flow rate controlled quentity controlled variable is determined；

The servo-drive system is set to continue through the servo system using the modified flow rate controlled quentity controlled variable as new initial flow controlled quentity controlled variable Unite and convey the raw material to the micro-reactor apparatus；

And/or

Described control unit controls the cold medium flux of heat-exchange system, specifically includes：

Obtain the Current Temperatures and control the temperature gap of temperature, determine whether the temperature gap is more than the temperature threshold of setting Value；

When the temperature gap is more than the temperature threshold, by temperature PID control module, it is determined that amendment temperature；

The amendment refrigerant controlled quentity controlled variable for making cold medium flux valve to be adapted to the amendment temperature continues as new initial refrigerant controlled quentity controlled variable Control the cold medium flux of the heat-exchange system；

By the cold medium flux for controlling the heat-exchange system so that the Current Temperatures of the micro-reactor apparatus reach the control temperature When spending, start the course of reaction of the micro-reactor apparatus.