CN111752209A - Control system of microwave cracking furnace - Google Patents
Control system of microwave cracking furnace Download PDFInfo
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- CN111752209A CN111752209A CN202010552650.2A CN202010552650A CN111752209A CN 111752209 A CN111752209 A CN 111752209A CN 202010552650 A CN202010552650 A CN 202010552650A CN 111752209 A CN111752209 A CN 111752209A
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- 238000005336 cracking Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 230000007306 turnover Effects 0.000 claims abstract description 11
- 239000002440 industrial waste Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 abstract description 4
- 230000000875 corresponding effect Effects 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000000197 pyrolysis Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 206010063385 Intellectualisation Diseases 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000010805 inorganic waste Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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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
-
- 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
-
- 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
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/008—Pyrolysis reactions
-
- 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
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
- G05D23/303—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature using a sensing element having a resistance varying with temperature, e.g. thermistor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
-
- 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
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/12—Processes employing electromagnetic waves
- B01J2219/1203—Incoherent waves
- B01J2219/1206—Microwaves
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Processing Of Solid Wastes (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a control system of a microwave cracking furnace, which comprises a temperature control unit, a pressure control unit, a turnover mechanism, a PLC (programmable logic controller) control unit and a display operation unit, wherein the temperature control unit comprises a plurality of distributed temperature detection components and a microwave system, the pressure control unit comprises a pressure detection component and an air outlet valve, the turnover mechanism comprises a chassis rotating motor and an axial rotating motor, and the PLC control unit is respectively connected with each control unit and each mechanism through control interfaces. And the display operation unit is used for setting parameters, controlling start and stop, performing emergency stop operation and the like on the whole equipment. The invention can simultaneously control heating baking and overturning stirring in the furnace, can detect environmental parameters in the furnace through components and parts and perform corresponding actions, and meanwhile, the overturning mechanism can stir industrial waste salt in the furnace according to a set mode. The whole system is simple in structure, convenient to operate and intelligent in control, can be monitored in real time, brings convenience to operation and management of workers, and improves working efficiency.
Description
Technical Field
The invention relates to automatic operation equipment based on a microwave pyrolysis method, in particular to a control system of a microwave pyrolysis furnace.
Background
The industrial waste salt refers to inorganic waste salt containing organic matters, other toxic and harmful substances and water generated in industrial production, for example, in the process that a product purification stage of various industries such as organic synthesis industry, fine chemical industry, pesticide industry and the like needs to purify a synthetic product or an intermediate product by alkalization and acidification methods, a large amount of salt-containing waste water is generated, the salt-containing waste water has considerable toxicity and is difficult to treat, the amount of the salt-containing waste water generated in domestic enterprises is about 30-50 ten thousand tons per year at present, and the storage of the waste salt solution becomes an important problem in the industry.
At present, the treatment process for recycling industrial waste salt generally adopts a chemical method and a high-temperature pyrolysis method. The chemical method treatment has long process route, large investment and high production cost. The high-temperature calcination method and the high-temperature pyrolysis method have the advantages of short process route, low production cost, less investment, good quality of the obtained recrystallized inorganic salt, easy control of secondary pollutants, environmental-friendly technological process, and high heating speed and efficiency, and the method meets the current industrial direction of domestic waste salt recovery and resource utilization.
The microwave cracking furnace is used in a microwave cracking system to crack industrial waste salt, organic high molecular compounds or organic carbohydrates in the industrial waste salt can be continuously heated to 600 ℃ by microwaves to volatilize and crack the organic high molecular compounds or the organic carbohydrates so as to obtain the industrial salt containing certain ash and carbon, and then the industrial salt is subjected to next treatment. At present, the development of intellectualization becomes the development trend of industry, it is a trend to integrate intellectualization into the microwave cracking furnace, along with the development of intellectualization, the existing technical means is still in the state of single function and small range, and a new and comprehensive technology is needed to meet the production requirement.
Disclosure of Invention
In order to solve the technical problems, the invention provides a control system of a microwave cracking furnace, which is automatically integrated, safe and reliable and can stably operate for a long time so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the technical scheme that: the utility model provides a control system of microwave cracking furnace, includes temperature control unit, pressure control unit, tilting mechanism, PLC the control unit and shows the operating unit, the temperature control unit include temperature detection components and parts, microwave heating system, the pressure control unit include pressure detection components and parts, air outlet valve, tilting mechanism includes chassis rotating electrical machines and axial rotation motor, the PLC the control unit is connected with each the control unit and mechanism respectively through control interface. And the display operation unit is used for setting parameters, controlling start and stop, performing emergency stop operation and the like on the whole equipment.
The temperature control unit comprises a temperature detection component, a microwave heating system, a plurality of temperature acquisition and distribution points, positions of a hearth, a convection current, a chassis, an air outlet and the like are monitored, all values are collected to a PLC for comparison processing, single-point threshold value alarming, alarming such as overlarge comprehensive temperature difference and the like can be set, and the temperature condition in the furnace is obtained in real time.
The temperature control unit is communicated with the PLC control unit, the microwave heating system is adjustable in output power, the temperature control unit is closed-loop control, PID adjustment is carried out on the microwave heating system according to the current temperature in the furnace, the microwave heating system is enabled to be stable at a set temperature for a long time, and uneven heating effect caused by overhigh or overlow temperature is avoided.
The microwave heating system is a solid microwave source, the output power and the duty ratio of the microwave heating system can be adjusted, and the closed loop effect is achieved by matching PID control. Firstly, according to engineering experience, setting an initial value for a PID parameter respectively, setting a general temperature control PID to be 20-60%, setting T to be 180-600S, and setting D to be 3-180S, then starting PID self-tuning in a PLC, performing an experiment under an actual working condition, setting a parameter which accords with the current working condition, inputting the parameter into the PLC for storage and use, and regulating the output voltage of a solid-state relay by using an analog quantity control signal output by the PLC, so that the effect of controlling the output power of a microwave source is achieved.
The pressure control unit comprises a pressure detection component and an air outlet valve, the unit ensures that the system runs stably without interruption, when the heating system is started, the unit continuously detects the pressure in the furnace, the air outlet valve can be opened to exhaust when the system detects that the pressure is too high, the safety of the pressure in the furnace is ensured without danger, the microwave heating is not required to be stopped, and the continuous running is carried out.
Two motors of the turnover mechanism rotate reversely, the chassis rotating motor controls the chassis of the cracking furnace to rotate, the stirring rod in the cracking furnace is controlled to rotate by the axial rotating motor, and compared with the previous system, the bottom industrial waste salt can also participate in stirring, the final heating effect is more uniform and faster, and the phenomenon of fusion caking is reduced.
The PLC control unit and the display operation unit are communicated with each other, an optical fiber or wireless communication mode can be used, and short-distance operation and watching are not needed;
the PLC control unit and the display operation unit can be internally provided with wireless communication terminals, and remote wireless operation can be carried out.
Has the advantages that:
1) the invention has simple structure, convenient operation, can monitor the equipment in real time, has stable operation effect, can effectively improve the working efficiency, has corresponding detection components to feed back the current working state, avoids errors and can also carry out related information alarm;
2) the PLC is adopted for controllable programming, programs can be compiled according to the requirements of production working conditions, and parameters can be adjusted;
3) the invention has stable operation effect, settable temperature, adopts PID regulation, can be stabilized at constant temperature for a long time, does not generate large-range fluctuation of the temperature, is additionally provided with the air outlet valve port, and ensures that the whole equipment can safely and stably operate for a long time by detecting the pressure in the furnace and opening and releasing the pressure when the pressure is too high;
4) according to the control system of the microwave cracking furnace, the detection components can select different communication modes according to requirements or working conditions, and the PLC end is matched with the relevant modules;
5) the invention effectively combines software and hardware, can realize real-time synchronous man-machine operation, can realize remote wireless regulation and control, and has high automation degree and stable and safe operation;
6) two motors of the turnover mechanism rotate reversely, the chassis rotating motor controls the chassis of the cracking furnace to rotate, the stirring rod in the cracking furnace is controlled to rotate by the axial rotating motor, and compared with the previous system, the bottom industrial waste salt can also participate in stirring, the final heating effect is more uniform and faster, and the phenomenon of fusion caking is reduced.
Drawings
FIG. 1 is a schematic control diagram of a control system of a microwave pyrolysis furnace according to the present invention;
FIG. 2 is a schematic structural diagram of a control system of a microwave cracking furnace according to the present invention.
Wherein: the device comprises a display operation unit 1, a PLC control unit 2, a temperature control unit 3, a pressure control unit 4, a turnover mechanism 5, a temperature detection component 31, a microwave heating system 32, a pressure detection component 41, an air outlet valve 42, a chassis rotating motor 51 and an axial rotating motor 52.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a control system of microwave cracking furnace, including display operation unit 1, PLC control unit 2, temperature control unit 3, pressure control unit 4 and tilting mechanism 5, display operation unit 1 and PLC control unit 2 can communicate each other, PLC control unit 2 is connected to temperature control unit 3 and pressure control unit 4 through the control cable, PLC control unit 2 is connected to tilting mechanism 5 through power cable, temperature control unit 3 includes temperature detection components and parts 31 and is used for the microwave heating system 32 of heating, pressure control unit 4 includes pressure detection components and parts 41 and air outlet valve 42, tilting mechanism 5 includes chassis rotating electrical machines 51 and axial rotation motor 52.
The temperature control unit 3 comprises a temperature detection component 31 and a microwave heating system 32, the temperature detection component 31 can be distributed at multiple points, positions of a hearth, convection, a chassis, an air outlet and the like are monitored, all values are collected to a PLC for comparison processing, single-point threshold value alarming, alarm such as overlarge comprehensive temperature difference and the like can be set, and the temperature condition in the furnace is obtained in real time.
The temperature control unit is communicated with the PLC control unit, the microwave heating system 32 is adjustable in output power, the temperature control unit 3 is closed-loop control, PID adjustment is carried out on the microwave heating system 32 according to the current temperature in the furnace, the microwave heating system is enabled to be stable at the set temperature for a long time, and uneven heating effect caused by overhigh or overlow temperature is avoided.
The microwave heating system 32 is a solid microwave source, the output power and duty ratio of which can be adjusted, and the closed loop effect is achieved by matching with PID control. Firstly, according to engineering experience, setting PID parameters to be initial values respectively, setting general temperature control PID to be 20-60% of P, 180-600S of T and 3-180S of D, then starting PID self-tuning in a PLC, performing an experiment under an actual working condition, setting parameters meeting the current working condition, inputting the parameters into the PLC for storage and use, and regulating the output voltage of a solid-state relay by using an analog quantity control signal output by the PLC, so that the effect of controlling the output power of a microwave source is achieved.
The pressure control unit ensures that the system runs stably without interruption, when the heating system is started, the pressure detection unit of the pressure control unit continuously detects the pressure in the furnace, the gas outlet valve 42 can be opened to exhaust when the system detects that the pressure is too high, the safety of the pressure in the furnace is ensured without danger, microwave heating is not required to be stopped, and the continuous running is continued.
A chassis rotating motor 51 and an axial rotating motor 52 of the turnover mechanism 5 rotate in opposite directions, the chassis rotating motor 51 controls the chassis of the cracking furnace to rotate, and the axial rotating motor 52 controls the stirring rod in the cracking furnace to rotate, so that the industrial waste salt is stirred in the cracking furnace continuously;
the display operation unit 1 and the PLC control unit 2 can communicate with each other, and the communication mode can be an optical fiber or a wireless communication mode.
The display operation unit 1 and the PLC control unit 2 may be provided with a wireless communication terminal therein, and may perform remote wireless operation.
The working process of the invention is as follows: after the system is started, the related detection components and parts feed back the current conditions in the microwave cracking furnace to the PLC control unit, when the equipment works, the microwave heating system is started, the PID regulation mode is adopted for heating, the final temperature is guaranteed to be stabilized at the set temperature, when the pressure exceeds the set value, the vent valve is opened to reduce the pressure in the furnace, meanwhile, the turnover mechanism starts to operate, industrial waste salt in the furnace is stirred, the operation is carried out, the improvement of the working efficiency is guaranteed, the safety and the reliability of the equipment are guaranteed, the PLC control unit can transmit the equipment state, the operation time and the like to the display operation unit in real time, an operator can timely master the dynamic process of the whole microwave cracking furnace, and the safe and stable operation of the equipment is guaranteed.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. A control system of a microwave cracking furnace is characterized in that: the microwave oven comprises a temperature control unit, a pressure control unit, a turnover mechanism, a PLC control unit and a display operation unit, wherein the temperature control unit comprises a plurality of distributed temperature detection components and microwave heating systems, the pressure control unit comprises pressure detection components and gas outlet valves, the turnover mechanism comprises a chassis rotating motor and an axial rotating motor, and the PLC control unit is respectively connected with the temperature control unit, the pressure control unit and the turnover mechanism through control interfaces; the display operation unit is used for setting parameters, controlling starting and stopping and performing emergency stop operation on the whole control system; a plurality of distributed temperature detection components of the temperature control unit are distributed at a plurality of points, including a hearth, a convection position, a chassis and an air outlet position, and are used for carrying out distributed temperature acquisition and monitoring to obtain the temperature condition in the furnace in real time; all collected temperature data are gathered to a PLC and are compared with threshold values, and the threshold values comprise set single-point alarm threshold values and comprehensive temperature difference overlarge alarm threshold values and are used for furnace temperature alarm.
2. A control system for a microwave cracking oven as defined in claim 1, wherein: the temperature control unit is communicated with the PLC control unit, the microwave heating system is adjustable in output power, the temperature control unit is closed-loop control, PID adjustment is carried out on the microwave heating system according to the current temperature in the furnace, the microwave heating system is stabilized at a set temperature, and uneven heating effect caused by overhigh or overlow temperature is avoided.
3. A control system for a microwave cracking oven as defined in claim 1, wherein: the microwave heating system is a solid microwave source, the output power and the duty ratio of the microwave heating system can be adjusted, and the closed loop effect is achieved by matching PID control; firstly, according to engineering experience, setting an initial value for a PID parameter respectively, wherein P is 20-60%, T is 180-600S, and D is 3-180S, then starting PID self-tuning in a PLC, performing an experiment under an actual working condition, tuning out a parameter which accords with the current working condition, inputting the parameter into the PLC for storage and use, adjusting the output voltage of a solid-state relay by using an analog quantity control signal output by the PLC, achieving the effect of controlling the output power of the microwave source to enable the microwave source to continuously work, controlling the temperature by using a mode of controlling the output power, and continuously and stably operating without frequent start and stop.
4. A control system for a microwave cracking oven as defined in claim 1, wherein: the pressure control unit comprises a pressure detection component and an air outlet valve, the pressure control unit ensures that the system runs stably without interruption, when the heating system is started, the pressure control unit continuously detects the pressure in the furnace, and the air outlet valve is opened to exhaust when the system checking pressure is greater than a threshold value, so that the safety of the pressure in the furnace is ensured without danger, the microwave heating is not required to be stopped, and the continuous running is carried out.
5. A control system for a microwave cracking oven as defined in claim 1, wherein: two motors of the turnover mechanism rotate reversely, a chassis rotating motor controls a chassis of the cracking furnace to rotate, and an axial rotating motor controls a stirring rod in the cracking furnace to rotate, so that the stirring process of industrial waste salt in the cracking furnace is more uniform.
6. A control system for a microwave cracking oven as defined in claim 1, wherein: the PLC control unit and the display operation unit are communicated with each other in an optical fiber or wireless communication mode.
7. A control system for a microwave cracking oven as defined in claim 1, wherein: the PLC control unit and the display operation unit can be internally provided with wireless communication terminals to carry out remote wireless operation.
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| CN202010552650.2A CN111752209B (en) | 2020-06-17 | 2020-06-17 | Control system of microwave cracking furnace |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2496928A1 (en) * | 1980-12-19 | 1982-06-25 | Dietrich & Cie De | Temp. domestic controller for cooker using wandering probe - has comparator circuit supplied by sawtooth signal adjusted by set temp. on one input and probe measured temp. on other input |
| CN201553708U (en) * | 2009-09-30 | 2010-08-18 | 刘毅 | Microwave scrap tire resource recovery device |
| CN201981165U (en) * | 2011-01-26 | 2011-09-21 | 刘建波 | Automatic cracking reaction device of waste and old rubber microwaves |
| CN102564155A (en) * | 2012-03-06 | 2012-07-11 | 湖南阳东微波科技有限公司 | Method and system for temperature control of industrial microwave kiln |
| CN202778415U (en) * | 2012-09-21 | 2013-03-13 | 长春黄金研究院 | Microwave heating pressure reacting device |
| CN103333709A (en) * | 2013-06-28 | 2013-10-02 | 青岛东方循环能源有限公司 | Disc-type microwave continuous splitting device and method for splitting waste rubber |
| CN104119937A (en) * | 2014-08-11 | 2014-10-29 | 湖南阳东微波科技有限公司 | Device for converting biomass material into biological energy |
| CN104194809A (en) * | 2014-08-25 | 2014-12-10 | 湖南省中晟热能科技有限公司 | Continuous microwave-heating cracking equipment for biomass and organic wastes |
| CN204058358U (en) * | 2014-08-11 | 2014-12-31 | 湖南阳东微波科技有限公司 | Biomass material is converted into biological energy sources unit |
| CN106020098A (en) * | 2016-07-05 | 2016-10-12 | 中国工程物理研究院化工材料研究所 | High-temperature high-pressure reaction vessel electrical automatic control system |
| CN109270974A (en) * | 2018-08-29 | 2019-01-25 | 合肥市君科合成材料有限公司 | One kind is based on fine synthesis multiple spot monitoring detection high-frequency vortex heating system |
-
2020
- 2020-06-17 CN CN202010552650.2A patent/CN111752209B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2496928A1 (en) * | 1980-12-19 | 1982-06-25 | Dietrich & Cie De | Temp. domestic controller for cooker using wandering probe - has comparator circuit supplied by sawtooth signal adjusted by set temp. on one input and probe measured temp. on other input |
| CN201553708U (en) * | 2009-09-30 | 2010-08-18 | 刘毅 | Microwave scrap tire resource recovery device |
| CN201981165U (en) * | 2011-01-26 | 2011-09-21 | 刘建波 | Automatic cracking reaction device of waste and old rubber microwaves |
| CN102564155A (en) * | 2012-03-06 | 2012-07-11 | 湖南阳东微波科技有限公司 | Method and system for temperature control of industrial microwave kiln |
| CN202778415U (en) * | 2012-09-21 | 2013-03-13 | 长春黄金研究院 | Microwave heating pressure reacting device |
| CN103333709A (en) * | 2013-06-28 | 2013-10-02 | 青岛东方循环能源有限公司 | Disc-type microwave continuous splitting device and method for splitting waste rubber |
| CN104119937A (en) * | 2014-08-11 | 2014-10-29 | 湖南阳东微波科技有限公司 | Device for converting biomass material into biological energy |
| CN204058358U (en) * | 2014-08-11 | 2014-12-31 | 湖南阳东微波科技有限公司 | Biomass material is converted into biological energy sources unit |
| CN104194809A (en) * | 2014-08-25 | 2014-12-10 | 湖南省中晟热能科技有限公司 | Continuous microwave-heating cracking equipment for biomass and organic wastes |
| CN106020098A (en) * | 2016-07-05 | 2016-10-12 | 中国工程物理研究院化工材料研究所 | High-temperature high-pressure reaction vessel electrical automatic control system |
| CN109270974A (en) * | 2018-08-29 | 2019-01-25 | 合肥市君科合成材料有限公司 | One kind is based on fine synthesis multiple spot monitoring detection high-frequency vortex heating system |
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