CN107670608B - A kind of chemical mechanical system of Temperature Fuzzy Control - Google Patents
A kind of chemical mechanical system of Temperature Fuzzy Control Download PDFInfo
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- CN107670608B CN107670608B CN201610875019.XA CN201610875019A CN107670608B CN 107670608 B CN107670608 B CN 107670608B CN 201610875019 A CN201610875019 A CN 201610875019A CN 107670608 B CN107670608 B CN 107670608B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1862—Stationary reactors having moving elements inside placed in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00004—Scale aspects
- B01J2219/00006—Large-scale industrial plants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
Abstract
A kind of chemical mechanical system of Temperature Fuzzy Control, main control workstation has fuzzy control device and processor, fuzzy control device includes difference engine, differentiator, defuzzification interface, output quantity conversion module, inference machine, knowledge base, the first temperature of reaction kettle measured is supplied to difference engine by thermometer, difference engine subtracts each other the set temperature that operator inputs and measurement temperature to obtain error value E, error value E obtains error rate dE/dt by differentiator, error value E and error rate dE/dt are supplied to defuzzification interface, blurring assignment is carried out to error value E and error rate dE/dt.
Description
Technical field
The invention belongs to chemical mechanical system, in particular to a kind of chemical mechanical system of Temperature Fuzzy Control.
Background technique
Currently, the technical force of production of the reaction kettle mechanical system of chemicals is weak, production line automation degree is low, artificial
Operate the dispersion of more, process, falling behind for working environment difference produces on the way, production process there are the problem of following points.
Chemicals reacting processing inefficiency, product is single, can not adjust machinery in due course as needed；Automatic control degree
It is low, operator's manual operations inefficiency；In chemicals process of lapping, chemicals can generate heat, need to shut down cooling,
It cannot cool down in real time；The adjusting and monitoring of certain parameters rely primarily on experienced operator's monitoring in production process, so that
Production information and process data cannot be accurate, cannot adjust in time.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of chemical mechanical systems of Temperature Fuzzy Control, pass through Fuzzy Control
System reduces the inaccuracy of waste and precision in the bring efficiency of modification repeatedly manually set.
To achieve the goals above, the technical solution of the present invention is as follows: a kind of chemical mechanical system of Temperature Fuzzy Control, packet
Include major ingredient feed inlet, auxiliary material feed inlet, the first air inlet, the second air inlet, the first reaction kettle, the second reaction kettle, horizontal reacting
Kettle, oil scrubber, high pressure scrubber, head tank, decatize tank, by grain tank, the first surge tank, the second surge tank, third surge tank, dry
Dry device, the first check valve, second one-way valve, third check valve, the 4th check valve, the 5th check valve, the first water pump, the second water
Pump, third water pump, charge pump, lime set pump, oil wash pump, reflux pump, the first blower, the second blower, third blower, recycling compression
Machine, recycle compressor, it is characterised in that: major ingredient feed inlet is connect with head tank, and the major ingredient of head tank output passes through charge pump, the
One check valve enters the first reaction kettle, and auxiliary material enters the first reaction kettle, major ingredient and auxiliary material in the first reaction by auxiliary material feed inlet
Mixed material is generated after kettle hybrid reaction and enters the second reaction kettle along the outlet of the first reactor bottom, and first gas passes through first
Air inlet is blown into the second reaction kettle by the first blower, and the gas in the second reaction kettle goes out by the gas on the second reaction kettle top
Mouth, third check valve enter the first surge tank, and the first surge tank deposits contamination precipitation in gas, by the gas in the second reaction kettle
Body purification, then the second reaction kettle is blown by the first blower, the second reaction kettle generates slurry material and is entered by the outlet of bottom
Horizontal reacting kettle, the steam inside horizontal reacting kettle enter solidifying by the gas vent on horizontal reacting kettle top, second one-way valve
Liquid pump, will return to horizontal reacting kettle after steam liquefied, first gas is blown by the first air inlet by third blower horizontal
Reaction kettle, the mixed gas generated after reacting in horizontal reacting kettle enter oil scrubber, and the polymer that horizontal reacting kettle generates is the bottom of along
The outlet in portion enters by grain tank, is had gas vent that will be returned to oil scrubber by the gas inside grain tank by grain tank top, raw by grain tank
Enter drier at particulate polymers, drier generates dry finished granule and enters discharge port along the 4th check valve, drier
The steam of middle generation enters decatize tank, and second gas enters the second blower by the second air inlet, the gas generated with decatize tank
It is blown into gas outlet together, oil wash tower bottom is connected with oil wash pump, and oil wash, which pumps, returns to the oil product of oil wash tower bottom at the top of oil scrubber,
Gas in oil scrubber is cleaned, the gas that oil scrubber cleaned enters the second surge tank, depositing contaminants and gas purification
Afterwards, high pressure washing tower bottom is entered under the action of recycling compressor, the gas that high pressure scrubber generates passes through the 5th check valve
Into third surge tank, extra cleaning solution is returned to high pressure scrubber by reflux pump by third surge tank, third surge tank
Gas enters the second reactor bottom by recycle compressor；
Multi-reaction kettle chemical mechanical system further includes main control workstation and sensor, and main control computer, which receives, comes from sensor
Signal, and by the first check valve of bus marco, second one-way valve, third check valve, the 4th check valve, the 5th check valve,
First water pump, the second water pump, third water pump, charge pump, lime set pump, oil wash pump, reflux pump, the first blower, the second blower, third
On-off, running power, the operating voltage of blower, recycling compressor, recycle compressor, condenser and heater, sensor include
Speed probe, thermometer, pressure sensor, vibrating sensor and noise transducer, speed probe are mounted on the first reaction
On the Horizontal stirring motor of the vertical machine and horizontal reacting kettle of kettle and the second reaction kettle, for measuring the revolving speed of motor, temperature
Degree meter be mounted on the first reaction kettle, the second reaction kettle, horizontal reacting kettle, oil scrubber, high pressure scrubber, on decatize tank, for surveying
Measure the temperature of each tank interior, pressure sensor is mounted on the material of the first reaction kettle, the second reaction kettle, horizontal reacting kettle
To measure outlet pressure, vibrating sensor and noise transducer are mounted on the tank body of horizontal reacting kettle sleeping to measure in exit
The mechanical oscillation signal and noise signal of formula reaction kettle；
Main control workstation has fuzzy control device and processor, and fuzzy control device includes difference engine, differentiator, obscures
Change interface, output quantity conversion module, inference machine, knowledge base, the first temperature of reaction kettle measured is supplied to difference engine by thermometer,
Difference engine subtracts each other the set temperature that operator inputs and measurement temperature to obtain error value E, and error value E is obtained by differentiator
Error rate dE/dt, error value E and error rate dE/dt are supplied to defuzzification interface, to error value E and error change
Rate dE/dt carries out blurring assignment, respectively obtains blurring error amount ME and blurring error change value MEC, is blurred error
Value ME and blurring error change value MEC are supplied to inference machine, and inference machine is according to the input and output degree of membership vector in knowledge base
Value and reasoning from logic rule carry out fuzzy reasoning to blurring error amount ME and blurring error change value MEC and obtain Fuzzy Control
Fuzzy control quantity MU is converted to practical control amount U by amount MU processed, output quantity conversion module, anti-to first according to practical control amount U
The condenser or heater for answering kettle provide operating voltage, and fuzzy control device is programmable logic controller (PLC), programmable logic control
It is communicated between device processed and the processor of main control workstation using RS232；Main control workstation is programmable controller.
Beneficial effects of the present invention:
1. realizing the processing and manufacturing to various materials using multiple reaction kettles, air inlet, feed inlet, check valve；
2. realizing multiple reaction processing, the recycling to gas-liquid separation and purification and gas material of material；
3. realizing the cooling to bearing and magnet steel by cooling system and oil filling pipeline；
4. realizing the fining grinding of particle；
5. using magnetic drive, zero leakage and the even running of equipment of complete static seal, Work container are realized,
And effectively reduce vibration transmitting；
6. realizing under the conditions of guaranteeing revolving speed and temperature by the length adjustment of output shaft, keeping suitable magnetic force
Transmit torque；
7. horizontal reacting kettle setting air inlet facilitates mobility of bed, prevents being emerged for hot spot and cause the bonding of powder；
8. the setting of clutch can be such that Horizontal stirring motor and gear-box disconnects in load excessive；
9. adding for baffle is not only able to improve material position, increase the space-time yield of reactor, and reactor can be divided into
Four relatively independent regions；
10. door case type agitating paddle reduces the place that powdery polymer can gather, cotton-shaped poly- so as to be effectively prevented
Close the generation of object；
11. reduced by fuzzy control modifying repeatedly of manually setting wasted in bring efficiency and precision it is inaccurate
Really；
12. monitoring material position situation in real time, the generation of threadiness and block material is prevented.
Detailed description of the invention
Fig. 1 is multi-reaction kettle chemical mechanical system schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of vertical response kettle of the invention；
Fig. 3 is the structure chart of magnetic driver of the invention；
Fig. 4 is the schematic diagram of Horizontal stirring motor of the invention；
The schematic diagram of fuzzy controller Fig. 5 of the invention.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
The embodiment of the present invention is with reference to shown in Fig. 1-5.
A kind of chemical mechanical system of Temperature Fuzzy Control, including major ingredient feed inlet, auxiliary material feed inlet, the first air inlet,
Second air inlet, the first reaction kettle, the second reaction kettle, horizontal reacting kettle, oil scrubber, high pressure scrubber, head tank, decatize tank,
It is unidirectional by grain tank, the first surge tank, the second surge tank, third surge tank, drier, the first check valve, second one-way valve, third
Valve, the 4th check valve, the 5th check valve, the first water pump, the second water pump, third water pump, charge pump, lime set pump, oil wash pump, reflux
Pump, the first blower, the second blower, third blower, recycling compressor, recycle compressor, it is characterised in that:
Major ingredient feed inlet is connect with head tank, and the major ingredient of head tank output enters first by charge pump, the first check valve
Reaction kettle, auxiliary material enter the first reaction kettle, major ingredient and auxiliary material by auxiliary material feed inlet and generate after the first reaction kettle hybrid reaction
Mixed material enters the second reaction kettle along the outlet of the first reactor bottom, and first gas is by the first air inlet by the first blower
It is blown into the second reaction kettle, the gas in the second reaction kettle enters by gas vent, the third check valve on the second reaction kettle top
First surge tank, the first surge tank deposit contamination precipitation in gas, by the gas purification in the second reaction kettle, then pass through first
Blower is blown into the second reaction kettle, and the second reaction kettle generates slurry material and enters horizontal reacting kettle, Horizontal counter by the outlet of bottom
The steam inside kettle is answered to enter lime set pump by the gas vent on horizontal reacting kettle top, second one-way valve, after steam liquefied
Horizontal reacting kettle is returned to, first gas is blown into horizontal reacting kettle, horizontal reacting kettle by third blower by the first air inlet
The mixed gas generated after middle reaction enters oil scrubber, and the polymer that horizontal reacting kettle generates enters along the outlet of bottom by grain
Tank is had gas vent that will be returned to oil scrubber by the gas inside grain tank, is generated particulate polymers by grain tank and entered by grain tank top
Drier, drier generate dry finished granule and enter discharge port along the 4th check valve, and the steam generated in drier enters
Decatize tank, second gas enter the second blower by the second air inlet, are blown into gas outlet together with the gas that decatize tank generates, oil
It washes tower bottom and is connected with oil wash pump, oil wash, which pumps, returns to the oil product of oil wash tower bottom at the top of oil scrubber, by the gas in oil scrubber
It is cleaned, the gas that oil scrubber cleaned enters the second surge tank, and depositing contaminants simultaneously after gas purification, are recycling compressor
Effect is lower to enter high pressure washing tower bottom, and the gas that high pressure scrubber generates enters third surge tank by the 5th check valve, the
Extra cleaning solution is returned to high pressure scrubber by reflux pump by three surge tanks, and the gas of third surge tank passes through recycle compressor
Into the second reactor bottom.
The multiple reaction processing of material is realized by multiple reaction kettles in above system, and utilizes surge tank, oil
Wash tower, high pressure scrubber is realized to gas-liquid separation and purification, realize recycling.
Further, multi-reaction kettle chemical mechanical system further includes main control workstation and sensor, and main control computer connects
Receive the signal from sensor, and by the first check valve of bus marco, second one-way valve, third check valve, the 4th check valve,
5th check valve, the first water pump, the second water pump, third water pump, charge pump, lime set pump, oil wash pump, reflux pump, the first blower,
On-off, running power, the operating voltage of two blowers, third blower, recycling compressor, recycle compressor, condenser and heater,
Sensor includes speed probe, thermometer, pressure sensor, vibrating sensor and noise transducer, and revolving speed passes
Sensor is mounted on the vertical machine of the first reaction kettle and the second reaction kettle and the Horizontal stirring motor of horizontal reacting kettle, is used for
The revolving speed of motor is measured, thermometer is mounted on the first reaction kettle, the second reaction kettle, horizontal reacting kettle, oil scrubber, high pressure washing
On tower, decatize tank, for measuring the temperature of each tank interior, pressure sensor be mounted on the first reaction kettle, the second reaction kettle,
To measure outlet pressure, vibrating sensor and noise transducer are mounted on horizontal reacting in the exit of the material of horizontal reacting kettle
The mechanical oscillation signal and noise signal of horizontal reacting kettle are measured on the tank body of kettle.
Further, main control workstation have fuzzy control device and processor, fuzzy control device include difference engine,
Differentiator, defuzzification interface, output quantity conversion module, inference machine, knowledge base, thermometer mention the first temperature of reaction kettle measured
Difference engine is supplied, difference engine subtracts each other the set temperature that operator inputs and measurement temperature to obtain error value E, error value E warp
It crosses differentiator and obtains error rate dE/dt, error value E and error rate dE/dt are supplied to defuzzification interface, to error amount
E and error rate dE/dt carry out blurring assignment, respectively obtain blurring error amount ME and blurring error change value MEC,
Blurring error amount ME and blurring error change value MEC are supplied to inference machine, and inference machine is according to the input and output in knowledge base
Degree of membership vector value and reasoning from logic rule carry out fuzzy reasoning to blurring error amount ME and blurring error change value MEC
Fuzzy control quantity MU is obtained, fuzzy control quantity MU is converted to practical control amount U by output quantity conversion module, according to practical control amount
U provides condenser from operating voltage to the first reaction kettle or heater.
Further, fuzzy control device is programmable logic controller (PLC), and programmable logic controller (PLC) and master control work
It is communicated between the processor stood using RS232；Main control workstation is programmable controller；Temperature is calculated as S type thermocouple, just
Pole material is platinum-rhodium alloy, and negative electrode material is pure platinum, can hot environment of the long-term work at 1600 degrees Celsius, thermometer also has
Compensation circuit is used for temperature-compensating.Main control workstation is programmable controller.
Wherein, be blurred the process of assignment specifically: according to selection parameter PL, PB of the linguistic variable of operator, PM,
PS, ZO, NS, NM, NB, BL respectively indicate positive super large, honest, center, it is just small, zero, bear in small, negative, bear big, negative super large, it is corresponding
Fuzzy set-n ,-n+1 ..., 0 ..., n-1, n }, n=4；
Determine quantizing factor, ke=n/e, wherein, keFor error amount quantizing factor, e is the worst error value of measurement, kec=
N/ec, kecFor error rate quantizing factor, ec is the worst error change rate of measurement,
If m≤keE≤m+1, m < n, then being blurred error amount ME is the k by rounding upeE；
If keE <-n, then being blurred error amount ME is-n；
If keE > n, then being blurred error amount ME is n；
If m≤kecE≤m+1, m < n, then being blurred error change value MEC is the k by rounding upecE；
If kecE <-n, then being blurred error change value MEC is-n；
If kecE > n, then being blurred error change value MEC is n.
Further, knowledge base includes database and rule base,
The fuzzy membership vector value of input, output variable is stored in database, this vector value is input, output quantity process
The set of corresponding value after the discretizations such as corresponding domain then can be used as if corresponding domain is continuous as subordinating degree function, right
In the fuzzy variable of input, subordinating degree function is stored in database, provides data to inference machine in fuzzy reasoning relationship.
Fuzzy rule is stored in rule base, fuzzy rule is the experience of operator's long-term accumulation and combines expertise
On the basis of formed, expressed by the vocabulary of relevant logical relation, such as if-then, else, end, and, or etc..
The rapid setting that can effectively realize parameter automatically by fuzzy control reduces the change tape repeatedly manually set
The inaccuracy of waste and precision in the efficiency come.
Further, the first reaction kettle is vertical response kettle, including vertical tank body, vertical stirrer and vertical collet,
Vertical to press from both sides the middle and lower part for being set on vertical tank body, vertical collet and vertical tank body form a closed spill interlayer, vertical
Two water inlets are arranged in collet side wall, and a water outlet is arranged in vertical collet bottom wall, and water outlet is connected by switch and the first water pump
It connects, the first water pump is connect with the heater of the condenser of the first reaction kettle and the first reaction kettle respectively, the first reaction kettle condenser
Pass through switch with the first reaction kettle heater to connect with two water inlets respectively, vertical tank body top is provided with the first reaction kettle
Thermometer and feed pipe, vertical tank body lower part are provided with discharge nozzle, and vertical stirrer is vertically provided on vertical tank body.
Further, vertical stirrer includes magnetic driver, vertical stirring axle, vertical mixing paddle, vertical mixing paddle
It is arranged on vertical stirring axle, magnetic driver and vertical mixing axis connection drive its rotation, realize stirring.
Further, magnetic driver include vertical machine, speed reducer, coolant jacket, upper bearing (metal), lower bearing, interior magnet steel,
Outer steel, cooling water inlet, cooling water outlet, oil filler point, oiling outlet, upper bearing (metal) oil fuel tube, lower bearing oil fuel tube, cover,
Kettle cover, gasket, output shaft, magnet steel axis and axis connected device, vertical machine are connect with speed reducer, the output shaft of speed reducer and outer magnetic
Steel connection, output shaft are rotatablely connected by bearing and coolant jacket, and outer steel outer cover is equipped with coolant jacket, and coolant jacket is the double-deck knot
Structure is provided with cooling water inlet, cooling water outlet on coolant jacket, for cooling down outer steel, sets in coolant jacket and kettle cover junction
It is equipped with oil filler point, lubricating oil is by entering upper bearing (metal), lower axle by upper bearing (metal) oil fuel tube, lower bearing oil fuel tube respectively after oil filler point
It holds, to realize lubrication and cooling to bearing；
Further, magnet steel axis is fixedly connected with upper bearing (metal), lower bearing inner ring respectively up and down, and magnet steel axis lower end passes through axis
Connected device and vertical mixing axis connection, magnet steel axis upper end are connected with interior magnet steel, and upper bearing (metal), lower axle bearing outer-ring are fixedly connected with cover,
Cover body lower end is connected with gasket, and gasket is set on magnet steel axis, to realize sealing,
Outer steel and interior magnet steel are correspondingly arranged inside and outside cover, and mutual magnetic force coupling, outer steel is by vertical machine band
Dynamic to be rotated, under the drive of magnetic coupling power, interior magnet steel rotation, in this process, cover is completely isolated by inside and outside magnet steel
It opens, realizes discontiguous power transmitting, realize complete static seal, realize that zero leakage of Work container, vibration transmitting reduce,
Realize the even running of equipment.
Further, interior magnet steel uses high energy product material NdFeB material, is arranged using the poly- magnetic of uniline, interior magnet steel is in
Tubulose, interior magnet steel are divided into the identical magnetic pole of 6 shape sizes, and it is fan-shaped cylinder that magnetic pole, which is section, the pole between adjacent pole
Property is opposite.
Further, outer steel is made of soft iron set and outer magnetic steel sleeve, and outer magnetic steel sleeve is set in soft iron and puts on, by flat
Key connection, outer magnetic steel sleeve use constant permeable alloy material, and soft iron set uses ferrocobalt, soft iron set point corresponding with interior magnet steel
For 6 soft iron blocks, soft iron block is that section is fan-shaped cylinder, and the polarity between adjacent soft iron block is opposite.
Further, the length of output shaft is adjustable, realizes internal magnet steel and outer steel by the length of regulation output shaft
Between magnetic pole area S adjusting, and then adjust magnetic force transmit torque T, wherein magnetic force transmitting torque T calculate it is as follows:
In formula, K is magnetic circuit coefficient；N1For the empirical coefficient of magnetic pole strength shape；M is the number of poles of magnetic pole；η is outer steel thickness
Coefficient；S is magnetic pole area；thFor interior magnet thickness；RcFor the half of the sum of interior magnet steel outer radius and outer steel inside radius；BmFor
The magnetic induction intensity of operating point；HmFor the magnetic field strength of operating point；tgFor magnetic pole arc length；t0For arc length and outer steel outside interior magnet steel
The sum of arc length；Dislocation angle when φ is the work between the magnetic pole of interior magnet steel and the magnetic pole of outer steel.
By the adjusting of the length of output shaft, realizes under the conditions of guaranteeing revolving speed and temperature, keep suitable magnetic force
Transmit torque, the magnetic force for preventing excessive magnetic torque from the absorption of internal-external magnetic steel and too small magnetic torque being caused to lead to internal-external magnetic steel
Coupling failure.
Further, the second reaction kettle and the first reaction kettle have identical structure.
Further, horizontal reacting kettle includes horizontal tank body, horizontal mixer and horizontal clamping sleeve, and horizontal clamping sleeve setting exists
The middle part of horizontal tank body, horizontal clamping sleeve and horizontal tank body form a closed annular gap, and horizontal clamping sleeve top is arranged two
Water inlet, horizontal clamping sleeve lower part be arranged a water outlet, water outlet by switch is connect with third water pump, third water pump respectively with
Horizontal reacting kettle condenser is connected with horizontal reacting kettle heater, and horizontal reacting kettle condenser and horizontal reacting kettle heater are logical
It crosses switch to connect with two water inlets respectively, horizontal tank body top is provided with horizontal reacting kettle thermometer and feed pipe, horizontal tank
Body lower part is provided with discharge nozzle, and horizontal mixer is horizontally installed on horizontal tank body, and horizontal tank base is equipped with air inlet.
On the one hand horizontal reacting kettle setting air inlet is used as reactant, on the other hand blowing facilitates mobility of bed,
It preventing being emerged for hot spot and causes the bonding of powder, after air blowing, material position distribution changes, and showing as high-end material position reduces,
Low side increases, and air inlet near zone granulation mass voidage increases, and mobility of particle enhancing, partial particulate tends to low side stream
It is dynamic, thus cause high-end reduction and low side increases, be conducive to the hybrid reaction of material.
Further, horizontal mixer includes Horizontal stirring paddle, Horizontal stirring axis, Horizontal stirring motor, clutch, tooth
Horizontal stirring paddle is arranged on Horizontal stirring axis for roller box, and Horizontal stirring motor is connect by clutch with gear-box, and gear-box moves
Power output shaft is fixedly connected with Horizontal stirring axis.
The setting of clutch can be such that Horizontal stirring motor and gear-box disconnects, gear-box then plays in load excessive
Gearshift adjustment.
Further, the Horizontal stirring paddle of horizontal mixer is blade paddle, using stainless steel material, blade paddle end with
The distance of horizontal inner tank wall is between 3-5mm, and greater than the maximum particle diameter of stirring material, blade paddle shares 48, is divided into 24 groups
It is equidistantly evenly distributed in the axial direction of Horizontal stirring axis, circumferential direction of the 2 blade paddles in every group of blade paddle in Horizontal stirring axis
On be uniformly distributed at 180 degree, two adjacent groups blade paddle is interspersed in the circumferential direction of Horizontal stirring axis at 45 degree.
Further, the circumferentially upper uniform crossover of horizontal tank body is provided with N number of vibrating sensor and N number of noise transducer,
Vibrating sensor machinery acquires vibration signal, and noise transducer acquisition noise signal passes through mechanical oscillation signal and noise signal
Judge the material position in horizontal tank body.
Further, the specific steps of the material position in horizontal tank body are judged by mechanical oscillation signal and noise signal such as
Under:
Step 1, the collected road N mechanical oscillation signal and N road noise acoustical signal are filtered, remove garbage signal, obtains
Take the road N mechanical oscillation signal curve and N road noise acoustical signal curve；
Step 2, the road N mechanical oscillation signal curve and N road noise acoustical signal curve are fitted and obtain i-th of mechanical oscillation
Frequency function fizWith i-th of noise frequency function fic；
Step 3, average mechanical vibration frequency function f is calculatedzAnd average noise frequency function fc, i=1,2 ...,
N；
Step 4, sound level is calculated,
In formula, L is sound level intensities, and t is the time, and e is the truth of a matter of natural logrithm function, and lg is logarithmic function, and F () is horizontal
Impact force function between material in tank, He() is horizontal tank body structural response function, and a is sound level weighting coefficient, σradIt is horizontal
The sound radiation coefficient of tank structure, ηsFor the internal damping coefficient of horizontal tank body, d is horizontal tank body average thickness, and Re expression takes
Real；
Step 5, the curve of sound level intensities L is drawn, and extracts envelope signal, form envelope curve and envelope signal is carried out
Lower sample process carries out data compression；
Step 6, low-frequency reconfiguration is carried out to compressed data, obtains low-frequency reconfiguration signal；
Step 7, above-mentioned low-frequency reconfiguration signal is obtained by trained three layers of BP neural network with preparatory measurement
Be respectively at 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90% material position low-frequency reconfiguration signal carry out
It compares, exports the Realtime Level information of the horizontal tank body of horizontal reacting kettle.
The material position of horizontal reacting kettle is a macroparameter, and the material position for real-time and accurately holding horizontal reacting kettle changes feelings
Condition, for controlling the load of horizontal mixer, preventing the generation of threadiness and block material and stablizing the operation of whole system, ten
Divide important.
Embodiment described above only expresses one embodiment of the present invention, and but it cannot be understood as to this
The limitation of invention scope.It should be pointed out that for those of ordinary skill in the art, in the premise for not departing from present inventive concept
Under, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (6)
1. a kind of chemical mechanical system of Temperature Fuzzy Control, including major ingredient feed inlet, auxiliary material feed inlet, the first air inlet,
Two air inlets, the first reaction kettle, the second reaction kettle, horizontal reacting kettle, oil scrubber, high pressure scrubber, head tank, decatize tank, by
Grain tank, the first surge tank, the second surge tank, third surge tank, drier, the first check valve, second one-way valve, third are unidirectional
Valve, the 4th check valve, the 5th check valve, the first water pump, third water pump, charge pump, lime set pump, oil wash pump, reflux pump, the first wind
Machine, the second blower, third blower, recycling compressor, recycle compressor, it is characterised in that:
Major ingredient feed inlet is connect with head tank, and the major ingredient of head tank output enters the first reaction by charge pump, the first check valve
Kettle, auxiliary material enter the first reaction kettle, major ingredient and auxiliary material by auxiliary material feed inlet and generate mixing after the first reaction kettle hybrid reaction
Material enters the second reaction kettle along the outlet of the first reactor bottom, and first gas is blown by the first air inlet by the first blower
Second reaction kettle, the gas in the second reaction kettle enter first by gas vent, the third check valve on the second reaction kettle top
Surge tank, the first surge tank deposit contamination precipitation in gas, by the gas purification in the second reaction kettle, then pass through the first blower
It is blown into the second reaction kettle, the second reaction kettle generates slurry material and enters horizontal reacting kettle, horizontal reacting kettle by the outlet of bottom
Internal steam enters lime set pump by the gas vent on horizontal reacting kettle top, second one-way valve, by after steam liquefied again
Horizontal reacting kettle is returned to, first gas is blown into horizontal reacting kettle by third blower by the first air inlet, in horizontal reacting kettle instead
The mixed gas that should be generated afterwards enters oil scrubber, and the polymer that horizontal reacting kettle generates enters along the outlet of bottom by grain tank, by
Grain tank top has gas vent that will be returned to oil scrubber by the gas inside grain tank, is generated particulate polymers by grain tank and enters drying
Device, drier generate dry finished granule and enter discharge port along the 4th check valve, and the steam generated in drier enters decatize
Tank, second gas enter the second blower by the second air inlet, are blown into gas outlet, oil scrubber together with the gas that decatize tank generates
Bottom is connected with oil wash pump, and oil wash, which pumps, returns to the oil product of oil wash tower bottom at the top of oil scrubber, and the gas in oil scrubber is carried out
Cleaning, the gas that oil scrubber cleaned enters the second surge tank, after depositing contaminants and gas purification, in the effect of recycling compressor
Lower to enter high pressure washing tower bottom, the gas that high pressure scrubber generates enters third surge tank by the 5th check valve, and third is slow
It rushes tank and extra cleaning solution is returned into high pressure scrubber by reflux pump, the gas of third surge tank is entered by recycle compressor
Second reactor bottom；
Multi-reaction kettle chemical mechanical system further includes main control workstation and sensor, and main control workstation receives the letter from sensor
Number, and pass through the first check valve of bus marco, second one-way valve, third check valve, the 4th check valve, the 5th check valve, first
Water pump, third water pump, charge pump, lime set pump, oil wash pump, reflux pump, the first blower, the second blower, third blower, recycling compression
On-off, running power, the operating voltage of machine, recycle compressor, condenser and heater, sensor include speed probe, temperature
Degree meter, pressure sensor, vibrating sensor and noise transducer, speed probe are mounted on the first reaction kettle and the second reaction kettle
Vertical machine and horizontal reacting kettle Horizontal stirring motor on, for measuring the revolving speed of motor, thermometer is mounted on first
Reaction kettle, the second reaction kettle, horizontal reacting kettle, oil scrubber, high pressure scrubber, on decatize tank, for measuring each tank interior
Temperature, pressure sensor be mounted on the first reaction kettle, the second reaction kettle, horizontal reacting kettle material exit to measure
Mouth pressure, vibrating sensor and noise transducer are mounted on the machinery that horizontal reacting kettle is measured on the tank body of horizontal reacting kettle
Vibration signal and noise signal；
First reaction kettle is vertical response kettle, including vertical tank body, vertical stirrer and vertical collet, and vertical folder is set on vertical
The middle and lower part of formula tank body, vertical collet and vertical tank body form a closed spill interlayer, and vertical collet side wall is arranged two
A water outlet is arranged in water inlet, vertical collet bottom wall, and water outlet is connect by switch with the first water pump, the first water pump respectively with
The connection of the heater of the condenser of first reaction kettle and the first reaction kettle, the first reaction kettle condenser and the first reaction kettle heater
It is connect respectively with two water inlets by switch, vertical tank body top is provided with the first temperature of reaction kettle meter and feed pipe, stands
Formula tank body lower part is provided with discharge nozzle, and vertical stirrer is vertically provided on vertical tank body；
Horizontal reacting kettle includes horizontal tank body, horizontal mixer and horizontal clamping sleeve, and the middle part of horizontal tank body is arranged in horizontal clamping sleeve,
Horizontal clamping sleeve and horizontal tank body form a closed annular gap, and two water inlets, horizontal clamping sleeve is arranged in horizontal clamping sleeve top
A water outlet is arranged in lower part, and water outlet is connect by switch with third water pump, and third water pump is condensed with horizontal reacting kettle respectively
Device is connected with horizontal reacting kettle heater, and horizontal reacting kettle condenser and horizontal reacting kettle heater pass through switch respectively with two
A water inlet connection, horizontal tank body top are provided with horizontal reacting kettle thermometer and feed pipe, and horizontal tank body lower part is provided with out
Expects pipe, horizontal mixer are horizontally installed on horizontal tank body, and horizontal tank base is equipped with air inlet；
Main control workstation has fuzzy control device and a processor, and fuzzy control device includes that difference engine, differentiator, blurring connect
The first temperature of reaction kettle measured is supplied to difference engine, difference by mouth, output quantity conversion module, inference machine, knowledge base, thermometer
Device subtracts each other the set temperature that operator inputs and measurement temperature to obtain error value E, and error value E obtains error by differentiator
Change rate dE/dt, error value E and error rate dE/dt are supplied to defuzzification interface, to error value E and error rate dE/
Dt carries out blurring assignment, respectively obtain blurring error amount ME and blurring error change value MEC, blurring error amount ME and
Blurring error change value MEC is supplied to inference machine, inference machine according in knowledge base input and output degree of membership vector value and
Reasoning from logic rule carries out fuzzy reasoning to blurring error amount ME and blurring error change value MEC and obtains fuzzy control quantity
Fuzzy control quantity MU is converted to practical control amount U by MU, output quantity conversion module, according to practical control amount U to the first reaction kettle
Condenser or heater provide operating voltage, fuzzy control device is programmable logic controller (PLC), programmable logic controller (PLC)
It is communicated between the processor of main control workstation using RS232；Main control workstation is programmable controller；Temperature is calculated as S type
Thermocouple, positive electrode are platinum-rhodium alloy, and negative electrode material is pure platinum, can hot environment of the long-term work at 1600 degrees Celsius,
Thermometer also has compensation circuit, is used for temperature-compensating.
2. a kind of chemical mechanical system of Temperature Fuzzy Control according to claim 1, it is characterised in that: horizontal tank body week
Upward uniform crossover is provided with N number of vibrating sensor and N number of noise transducer, and vibrating sensor collection machinery vibration signal is made an uproar
Sonic transducer acquisition noise signal judges the material position in horizontal tank body by mechanical oscillation signal and noise signal.
3. a kind of chemical mechanical system of Temperature Fuzzy Control according to claim 2, it is characterised in that: vertical stirrer
Including magnetic driver, vertical stirring axle, vertical mixing paddle, vertical mixing paddle is arranged on vertical stirring axle, magnetic driver with
Vertical mixing axis connection drives its rotation, realizes stirring；
Magnetic driver includes that vertical machine, speed reducer, coolant jacket, upper bearing (metal), lower bearing, interior magnet steel, outer steel, cooling water enter
Mouth, cooling water outlet, oil filler point, oiling outlet, upper bearing (metal) oil fuel tube, lower bearing oil fuel tube, cover, kettle cover, gasket, output
Axis, magnet steel axis and axis connected device, vertical machine are connect with speed reducer, and the output shaft of speed reducer is connect with outer steel, and output shaft is logical
It crosses bearing and coolant jacket is rotatablely connected, outer steel outer cover is equipped with coolant jacket, and coolant jacket is double-layer structure, is provided on coolant jacket
Cooling water inlet, cooling water outlet are provided with oil filler point, lubricating oil in coolant jacket and kettle cover junction for cooling down outer steel
By entering upper bearing (metal), lower bearing by upper bearing (metal) oil fuel tube, lower bearing oil fuel tube respectively after oil filler point, to realize to bearing
Lubrication and cooling.
4. a kind of chemical mechanical system of Temperature Fuzzy Control according to claim 3, it is characterised in that: above and below magnet steel axis
It is fixedly connected respectively with upper bearing (metal), lower bearing inner ring, magnet steel axis lower end is by axis connected device and vertical mixing axis connection, on magnet steel axis
End is connected with interior magnet steel, and upper bearing (metal), lower axle bearing outer-ring are fixedly connected with cover, and cover body lower end is connected with gasket, seals cushion cover
It is located on magnet steel axis, to realize sealing；
Interior magnet steel uses high energy product material NdFeB material, is arranged using the poly- magnetic of uniline, in a tubular form, interior magnet steel is divided into interior magnet steel
The identical magnetic pole of 6 shape sizes, magnetic pole are that section is fan-shaped cylinder, and the polarity between adjacent pole is opposite；
Outer steel is made of soft iron set and outer magnetic steel sleeve, and outer magnetic steel sleeve is set in soft iron and puts on, and is connected by flat key, outer magnetic steel sleeve
Using constant permeable alloy material, soft iron set uses ferrocobalt, and corresponding with interior magnet steel, soft iron set is divided into 6 soft iron blocks, soft iron
Block is that section is fan-shaped cylinder, and the polarity between adjacent soft iron block is opposite；
The length of output shaft is adjustable, realizes magnetic pole area S between internal magnet steel and outer steel by the length of regulation output shaft
It adjusts, and then adjusts magnetic force and transmit torque T, wherein magnetic force transmitting torque T is calculated as follows:
In formula, K is magnetic circuit coefficient；N1For the empirical coefficient of magnetic pole strength shape；M is the number of poles of magnetic pole；η is outer steel thickness coefficient；
S is magnetic pole area；thFor interior magnet thickness；RcFor the half of the sum of interior magnet steel outer radius and outer steel inside radius；BmFor operating point
Magnetic induction intensity；HmFor the magnetic field strength of operating point；tgFor magnetic pole arc length；t0For arc length outside interior magnet steel and outer steel arc length it
With；Dislocation angle when φ is the work between the magnetic pole of interior magnet steel and the magnetic pole of outer steel.
5. a kind of chemical mechanical system of Temperature Fuzzy Control according to claim 4, it is characterised in that: horizontal mixer
Including Horizontal stirring paddle, Horizontal stirring axis, Horizontal stirring motor, clutch, gear-box, Horizontal stirring is set on Horizontal stirring axis
Paddle, Horizontal stirring motor are connect by clutch with gear-box, and the power output shaft of gear-box is fixedly connected with Horizontal stirring axis.
6. a kind of chemical mechanical system of Temperature Fuzzy Control according to claim 5, it is characterised in that: horizontal mixer
Horizontal stirring paddle be blade paddle, using stainless steel material, blade paddle end at a distance from horizontal inner tank wall 3-5mm it
Between, greater than the maximum particle diameter of stirring material, blade paddle shares 48, is divided into 24 groups and is equidistantly evenly distributed on Horizontal stirring axis
In axial direction, 2 blade paddles in every group of blade paddle are uniformly distributed in the circumferential direction of Horizontal stirring axis at 180 degree, two adjacent groups leaf
Piece paddle is interspersed in the circumferential direction of Horizontal stirring axis at 45 degree.
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