CN115709211A - Control system of coal gangue modification and activation device - Google Patents
Control system of coal gangue modification and activation device Download PDFInfo
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- CN115709211A CN115709211A CN202110947889.4A CN202110947889A CN115709211A CN 115709211 A CN115709211 A CN 115709211A CN 202110947889 A CN202110947889 A CN 202110947889A CN 115709211 A CN115709211 A CN 115709211A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses a control system of a coal gangue modification and activation device, belongs to the technical field of coal mining, and solves the problem that the control system for the coal gangue modification and activation device is lacked in the prior art. The control system comprises a controller and a gate control component connected with the controller; the device comprises a box body which is obliquely arranged, wherein a microwave generator and an air compressor are arranged on the box body; the controller controls the opening and closing of an upper gangue gate and a lower gangue gate of the box body through the gate control assembly; the controller also controls the microwave generator to work or stop through a control instruction of the microwave generator; when the microwave generator is started, a microwave field is formed inside the box body and used for heating the coal gangue; the controller also controls the air compressor to start or stop through an air compressor control instruction; when the air compressor is started, a wind field is formed inside the box body and used for enhancing the energy flux density of microwaves.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a control system of a coal gangue modification and activation device.
Background
The coal gangue belongs to solid waste generated in the coal mining process, the yield is about 5 to 6 hundred million tons every year, a large amount of land is occupied in the stacking and storing process, spontaneous combustion is easy, and serious harm is brought to the environment.
If the problem of recycling the coal gangue is to be solved completely, the problem of activating the coal gangue is urgently solved. In the prior art, a coal gangue activation device suitable for industrial production does not exist, and a corresponding control system does not exist. Therefore, how to design a control system to control the working process of the coal gangue intelligent modification activation device is a problem which needs to be solved urgently.
Disclosure of Invention
In view of the foregoing analysis, an embodiment of the present invention is directed to provide a control system for a coal gangue modification and activation apparatus, so as to solve the problem in the prior art that a control system for a coal gangue modification and activation apparatus is lacked.
The invention provides a control system of a coal gangue modification activation device, which comprises a controller and a gate control assembly connected with the controller; the device comprises a box body which is obliquely arranged, wherein a microwave generator and an air compressor are arranged on the box body; wherein,
the controller controls the opening and closing of an upper gangue gate and a lower gangue gate of the box body through the gate control assembly;
the controller also controls the microwave generator to work or stop through a control instruction of the microwave generator; when the microwave generator is started, a microwave field is formed inside the box body and used for heating the coal gangue;
the controller also controls the air compressor to start or stop through an air compressor control instruction; when the air compressor is started, a wind field is formed inside the box body and used for enhancing the energy flux density of microwaves.
On the basis of the scheme, the invention is also improved as follows:
further, the control system also comprises a material level switch, and the material level switch is connected with the controller;
the material level switch is used for detecting the material level of the coal gangue material in the box body;
when the material level switch detects that no coal gangue material exists in the box body, generating a material-free signal and sending the material-free signal to the controller;
when the material level switch detects that the coal gangue material in the box is full, a material full signal is generated, and the material full signal is sent to the controller.
Further, the controller sends a gate control instruction to the gate control component, and the gate control component controls the opening and closing of an upper gangue gate and a lower gangue gate of the box body based on the gate control instruction;
the gate control instruction comprises an upper gangue gate opening control instruction, an upper gangue gate closing control instruction, a lower gangue gate opening control instruction and a lower gangue gate closing control instruction;
when the controller receives the material-free signal, the controller sends a closing control instruction of a lower gangue gate to the gate control assembly;
the gate control assembly closes the lower waste rock gate based on the lower waste rock gate closing control instruction and feeds back a lower waste rock gate closing in-place signal to the controller;
after receiving the lower waste rock gate in-place closing signal, the controller sends an upper waste rock gate opening control instruction to the gate control assembly;
and the gate control assembly opens the upper gangue gate based on the upper gangue gate opening control instruction and feeds back an upper gangue gate opening in-place signal to the controller.
Further, the microwave generator control instruction comprises a microwave generator starting control instruction;
when the controller receives a material full signal sent by the material level switch:
the controller sends a closing control instruction of the gangue feeding gate to the gate control assembly;
the gate control component closes the upper gangue gate based on the upper gangue gate closing control instruction and feeds back an upper gangue gate closing in-place signal to the controller;
the controller sends a microwave generator starting control instruction to the microwave generator after receiving the gangue gate in-place closing signal;
and the microwave generator starts the microwave generator based on the microwave generator starting control instruction.
Further, the air compressor control instruction comprises an air compressor starting control instruction;
the controller also sends an air compressor starting control instruction to the air compressor after receiving the waste rock gate closing in-place signal;
the air compressor is started based on the air compressor starting control instruction.
Further, the control system also comprises a temperature sensor, and the temperature sensor is connected with the controller;
the temperature sensor is used for collecting the temperature in the box body and feeding back the collected temperature to the controller.
Further, the microwave generator control instruction further comprises a heat preservation control instruction and a microwave generator closing control instruction, and the air compressor control instruction further comprises an air compressor closing control instruction;
when the controller detects that the temperature reaches a preset temperature, the controller sends the heat preservation control instruction to the microwave generator, and times the heat preservation time;
the microwave generator controls the microwave generator to be in a heat preservation mode based on the heat preservation control instruction, so that the temperature in the box body is maintained at the preset temperature;
when the heat preservation time length reaches a preset heat preservation time length, the controller sends a microwave generator closing control instruction to the microwave generator, sends an air compressor closing control instruction to the air compressor, and also sends a waste gate opening control instruction to the gate control assembly;
the microwave generator turns off the microwave generator based on the microwave generator turn-off control command;
the air compressor is turned off based on the air compressor turning-off control instruction;
and the gate control assembly opens the lower gangue gate based on the lower gangue gate opening control instruction.
Furthermore, the control system also comprises a cold quenching treatment equipment control assembly, and the cold quenching treatment equipment control assembly is connected with the controller; the device also comprises cold quenching treatment equipment;
when the heat preservation time reaches the preset heat preservation time, the controller also sends a cold quenching treatment equipment starting control instruction to the cold quenching treatment equipment control assembly;
the cold quenching treatment equipment control assembly controls the cold quenching treatment equipment to operate based on the cold quenching treatment equipment starting control instruction;
the cold quenching treatment equipment control assembly is used for controlling the cold quenching treatment equipment to cool the modified and activated coal gangue material output by the box body when the lower gate is opened;
when the controller receives the material-free signal, the controller also sends a cold quenching treatment equipment stopping control instruction to the cold quenching treatment equipment control assembly;
and the cold quenching treatment equipment control assembly controls the cold quenching treatment equipment to stop running based on the cold quenching treatment equipment stop control instruction.
Further, the control system also comprises a lower conveying belt control assembly and a conveying detection assembly, and the lower conveying belt control assembly and the conveying detection assembly are connected with the controller; the device also comprises a lower conveying belt;
the lower conveying belt control assembly is used for controlling the lower conveying belt to convey the cooled and modified and activated coal gangue material;
the material conveying detection assembly is used for generating a material conveying belt stopping signal when no material is detected on the lower material conveying belt;
when the heat preservation time length reaches a preset heat preservation time length, the controller also sends a lower material conveying belt starting control instruction to the lower material conveying belt control assembly;
the lower material conveying belt control assembly controls the lower material conveying belt to operate on the basis of the lower material conveying belt starting control instruction;
when the controller receives the material conveying belt stop signal, a lower material conveying belt stop control instruction is sent to the lower material conveying belt control assembly;
the lower material conveying belt control assembly controls the lower material conveying belt to stop running based on the lower material conveying belt stop control instruction.
Further, the control system also comprises a waste rock feeding belt control assembly, and the waste rock feeding belt control assembly is connected with the controller; the device also comprises a waste rock feeding belt;
the gangue belt control assembly is used for controlling a gangue belt to convey a gangue material to be processed to the box body when the gangue gate is opened;
the controller sends a waste rock feeding belt operation control instruction to the waste rock feeding belt control assembly after receiving the waste rock feeding gate in-place opening signal;
the waste rock feeding belt control assembly controls the waste rock feeding belt to operate on the basis of the waste rock feeding belt operation control instruction;
when the controller receives the material full signal, the controller also sends a waste belt operation stopping control instruction to the waste belt control assembly;
and the waste rock feeding belt control assembly controls the waste rock feeding belt to stop running based on the waste rock feeding belt stop running control instruction.
Compared with the prior art, the invention can realize at least one of the following beneficial effects:
the control system of the coal gangue modification and activation device provided by the invention can realize accurate, reliable, real-time and intelligent control of the coal gangue modification and activation device, solves the problem that the control system for the coal gangue modification and activation device is lacked in the prior art, and fills the technical blank in the technical field.
The control system of the coal gangue modification and activation device can realize the full-flow automatic control of the coal gangue modification and activation device, effectively reduce the working pressure of related workers, improve the operation efficiency of the device and facilitate the realization of industrialization.
In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings, in which like reference numerals refer to like parts throughout, are for the purpose of illustrating particular embodiments only and are not to be considered limiting of the invention.
FIG. 1 is a schematic structural diagram of a coal gangue modification and activation apparatus in an embodiment of the present invention;
FIG. 2 is a control system of the coal gangue modification and activation apparatus in the embodiment of the present invention;
reference numerals:
1-lower material conveying belt; 2-activating a gangue hopper; 3-water spraying and cold quenching device; 4-a gangue discharge gate; 5-a first hydraulic oil cylinder; 6-a gate control assembly; 7-pressure safety valve; 8-a second hydraulic cylinder; 9-loading a gangue gate; 10-a microwave generator; 11-a box body; 12-a diffuser tube; 13-loading a waste belt; 14-an outer layer; 15-middle layer; 16-an inner layer; 17-front pillars; 18-angle bolts; 19-front side spiral waveguide; 20-spacing through guard plates; 21-a box base; 22-backside spiral waveguide; 23-rear pillars; 24-a controller; 25-an air compressor; 26-support member.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
The invention discloses a coal gangue modification and activation device, which is structurally and schematically shown in figure 1 and mainly comprises a box body 11 which is obliquely arranged, wherein an oblique angle formed between the box body 11 and the horizontal ground is 35-85 degrees exemplarily, so that automatic charging and automatic discharging of coal gangue under the action of gravity can be realized. The box 11 is fixed on the ground through a front support column 17 and a rear support column 23, the upper ends of the front support column 17 and the rear support column 23 are fixedly connected with the box 11 through a box base 21, and the lower ends of the front support column 17 and the rear support column 23 are fixedly connected with the ground through a ground angle bolt 18. In this embodiment, the inner layer 16 of the case 11 is made of 304 stainless steel plate, the middle layer 15 is made of alumina fiber, and the outer layer 14 is made of metal material, but other suitable materials may be used. The box 11 may be shaped as a rectangular parallelepiped, a cube, a cylinder, a polyhedron, a truncated cone, etc., and is not limited herein.
The pressure safety valve 7, the air compressor 25 (exemplarily, such as a micro air compressor) and the microwave generator 10 are arranged on the box body 11, the diffusion pipe 12 (which can be called as a microwave uniformly-distributed diffusion pipe) with uniformly-distributed microwaves is arranged in the box body 11, the diffusion pipe 12 is installed in the box body 11 through the support piece 26, the microwave uniformly-distributed diffusion pipe 12 is connected with the air compressor 25 which is installed in the middle, and the microwave uniformly-distributed diffusion pipe 12 is provided with a microwave leakage prevention net at the air inlet end and the air outlet end to ensure the safety of the device. The diameter direction of the microwave uniform distribution diffusion pipe 12 is provided with tangential air distribution holes, and the air distribution rate accounts for 50-80%. The box body 11 is connected with the diffusion pipe 12 by adopting an air compressor and is used as a wind source, a rotary wind field is automatically formed in the box body 11 under the action of wind power, so that the energy flow density of microwave is enhanced, the uniformity and the strength of the action of the microwave on coal gangue are further accelerated, the penetrating capability of the microwave on the coal gangue is improved, the vibration, the friction and the heating of the inside and the outside molecules of the coal gangue are enhanced, the purpose of rapid temperature rise is met, the treatment capacity is enlarged, water vapor and other gases formed in the material heating process are removed in real time, the pressure of the gas generated in the box body in the heating process on the box body is reduced, and the industrial production of coal gangue activation is ensured.
Considering that the materials are easy to deposit at the bottom of the box body 11, and meanwhile, in the heating process, part of the materials in the materials are easy to liquefy, and the liquefied materials can be gathered at the top of the box body, therefore, in the actual operation, the two sides in the box body 11 are oppositely provided with wave guides, and the wave guides are preferably spiral, so that the wave guide arranged at the front side of the box body is called a front-side spiral wave guide 19, the wave guide arranged at the rear side of the box body is called a rear-side spiral wave guide 22, and the front-side and rear-side spiral wave guides are both connected with the microwave generator 10 to form a rotary microwave field so as to ensure the effect of microwaves on the vertical direction of the materials; and the microwave power consumed by processing materials is reduced to the maximum extent so as to enhance the heating capacity of the microwaves on the coal gangue and improve the working efficiency. The material, shape, direction, size, position, etc. of the spiral waveguide tube can be selected according to actual production requirements, and are not limited specifically herein.
The upper side and the lower side of the microwave uniformly-distributed diffusion pipe 12, and the space permeable guard plate 20 are arranged between the microwave uniformly-distributed diffusion pipe 12 and the waveguide pipe, the hole distribution rate is about 85%, and the microwave uniformly-distributed diffusion pipe 12 and the space permeable guard plate 20 are parallel to the bottom surface of the box body; the space permeable guard plate 20 can ensure the reasonable action distance (3 cm-5 cm) between the material and the waveguide tube, and create a good conduction environment between the microwave and the material in the microwave field.
Preferably, the tank 11 is further provided with a pressure safety valve 7, and the pressure safety valve 7 is used for automatically opening and releasing pressure when the internal pressure of the tank 11 reaches a limit value; so as to ensure the stability of the interior of the box body.
Preferably, the device further comprises an upper gangue belt 13, cold quenching equipment (comprising an activated gangue funnel 2 and a water spraying cold quenching device 3) and a lower material conveying belt 1, wherein the upper gangue belt 13 is used for conveying materials to the box body 11, the activated gangue funnel 2 is used for receiving the materials from the box body 11 and discharging the materials to the lower material conveying belt 1, and the water spraying cold quenching device 3 is used for performing water spraying cold quenching treatment on the materials received by the activated gangue funnel 2.
Based on the coal gangue modification and activation device in this embodiment, a control system of the coal gangue modification and activation device is designed in this embodiment, and a schematic structural diagram is shown in fig. 2, the control system includes a controller, and a gate control assembly connected to the controller, so as to facilitate control of the coal gangue modification and activation device, the controller 24 may be disposed on a front pillar 17 of the device, and the gate control assembly 6 may be disposed on a box 11; wherein,
the controller controls the opening and closing of an upper gangue gate and a lower gangue gate of the box body through the gate control assembly; illustratively, the gate control assembly can adopt a first hydraulic cylinder 5 and a second hydraulic cylinder 8, and at the moment, the upper gangue gate 9 and the lower gangue gate 4 form a hinge connection mechanism with the box body 11 through the second hydraulic cylinder 8 and the first hydraulic cylinder 5 respectively, so that automatic locking is realized during gangue feeding; the hydraulic lock, the micro limit switch and the electromagnetic valve in the hydraulic oil cylinder are in linkage control, so that the upper waste rock gate and the lower waste rock gate are opened and closed;
the controller also controls the microwave generator to work or stop through a control instruction of the microwave generator; when the microwave generator is started, a microwave field is formed inside the box body and used for heating the coal gangue;
the controller also controls the air compressor to start or stop through an air compressor control instruction; when the air compressor is started, a wind field is formed inside the box body and used for enhancing the energy flux density of microwaves.
Preferably, the control system further comprises a material level switch, and the material level switch is connected with the controller;
the material level switch is used for detecting the material level of the coal gangue material in the box body;
when the material level switch detects that no coal gangue material exists in the box body, generating a material-free signal and sending the material-free signal to the controller;
when the material level switch detects that the gangue material in the box is full, a material full signal is generated, and the material full signal is sent to the controller.
Preferably, the controller sends a gate control instruction to the gate control component, and the gate control component controls the opening and closing of an upper gangue gate and a lower gangue gate of the box body based on the gate control instruction; illustratively, the gate control instructions comprise an upper gangue gate opening control instruction, an upper gangue gate closing control instruction, a lower gangue gate opening control instruction and a lower gangue gate closing control instruction;
when the controller receives the material-free signal, the controller sends a closing control command of a lower gangue gate to the gate control assembly;
the gate control assembly closes the lower waste rock gate based on the lower waste rock gate closing control instruction and feeds back a lower waste rock gate closing in-place signal to the controller;
after receiving the lower waste rock gate in-place closing signal, the controller sends an upper waste rock gate opening control instruction to the gate control assembly;
and the gate control assembly opens the upper gangue gate based on the upper gangue gate opening control instruction and feeds back an upper gangue gate opening in-place signal to the controller.
Preferably, the microwave generator control instruction comprises a microwave generator start control instruction;
when the controller receives a material full signal sent by the material level switch:
the controller sends a closing control instruction of the gangue loading gate to the gate control assembly;
the gate control component closes the upper gangue gate based on the upper gangue gate closing control instruction and feeds back an upper gangue gate closing in-place signal to the controller;
the controller sends a microwave generator starting control instruction to the microwave generator after receiving the gangue gate in-place closing signal;
and the microwave generator starts the microwave generator based on the microwave generator starting control instruction. At this time, the microwave generator heats the inside of the case according to the preset activation condition.
Preferably, the air compressor control instruction comprises an air compressor starting control instruction;
the controller also sends an air compressor starting control instruction to the air compressor after receiving the waste rock gate closing in-place signal;
and the air compressor is started based on the air compressor starting control instruction.
When the microwave generator and the air compressor are started, spiral wave guide tubes (materials and special structures of the shape, direction, size, position and the like of an opening) which are arranged at two sides of the coal gangue activation box body and have different angles or geometric dimensions start to work, and a rotary microwave field is formed so as to strengthen the effect of microwaves on the vertical direction of materials; the compressed gas generated by the air compressor removes water vapor and other gases formed in the material heating process in real time; the pressure of the gas generated in the heating process in the box body on the box body is reduced; and the microwave power consumed by processing materials is reduced to the maximum extent so as to enhance the heating capacity of the microwaves on the coal gangue and improve the working efficiency. Meanwhile, the processing capacity of the activation of the coal gangue is improved to the maximum extent through the intelligent control (synchronous start and stop of the heating box and the microwave generator) of the air compressor by the control system.
Preferably, the control system further comprises a temperature sensor, and the temperature sensor is connected with the controller; the temperature sensor is used for collecting the temperature in the box body and feeding back the collected temperature to the controller.
Preferably, the microwave generator control instruction further comprises a heat preservation control instruction and a microwave generator closing control instruction, and the air compressor control instruction further comprises an air compressor closing control instruction;
when the controller detects that the temperature reaches a preset temperature (preferably 800 ℃), sending the heat preservation control instruction to the microwave generator, and timing the heat preservation time;
the microwave generator controls the microwave generator to be in a heat preservation mode based on the heat preservation control instruction; namely, after the microwave generator is started, the box body is subjected to microwave heating, and after the box body is heated to a preset temperature, the box body is subjected to heat preservation, so that the temperature in the box body is maintained at the preset temperature. Illustratively, the microwave generator can be controlled to achieve the heat-preserving function in an intermittent operation mode or at a low microwave emission power.
When the heat preservation time length reaches a preset heat preservation time length (preferably 45 minutes), the controller sends a microwave generator closing control instruction to the microwave generator, sends an air compressor closing control instruction to the air compressor, and sends a waste gate discharging opening control instruction to the gate control assembly;
the microwave generator turns off the microwave generator based on the microwave generator turn-off control command;
the air compressor is turned off based on the air compressor turning-off control instruction;
and the gate control assembly opens the lower gangue gate based on the lower gangue gate opening control instruction.
It should be noted that the invention adopts an energy-saving, clean and environment-friendly microwave heating mode, and various interaction conditions are set in a laboratory to carry out analysis and assay, and finally the optimal activation temperature (800 ℃) and the heat preservation time (45 minutes) of the coal gangue are obtained and are used as the heating setting basis for the coal gangue.
Preferably, the control system further comprises a cold quenching treatment equipment control assembly, and the cold quenching treatment equipment control assembly is connected with the controller;
the cold quenching treatment equipment control assembly is used for controlling the cold quenching treatment equipment to cool the modified and activated coal gangue material output by the box body when the lower gate is opened;
when the heat preservation time reaches the preset heat preservation time, the controller also sends a cold quenching treatment equipment starting control instruction to the cold quenching treatment equipment control assembly;
the cold quenching treatment equipment control assembly controls the cold quenching treatment equipment to operate based on the cold quenching treatment equipment starting control instruction;
when the controller receives the material-free signal, the controller also sends a cold quenching treatment equipment stopping control instruction to the cold quenching treatment equipment control assembly;
and the cold quenching treatment equipment control assembly controls the cold quenching treatment equipment to stop running based on the cold quenching treatment equipment stop control instruction.
Preferably, the control system further comprises a lower conveying belt control assembly and a conveying detection assembly, and the lower conveying belt control assembly and the conveying detection assembly are connected with the controller;
the lower conveying belt control assembly is used for controlling the lower conveying belt to transmit the cooled and modified and activated coal gangue materials;
the material conveying detection assembly is used for generating a material conveying belt stopping signal when no material is detected on the lower material conveying belt;
when the heat preservation time length reaches a preset heat preservation time length, the controller also sends a lower material conveying belt starting control instruction to the lower material conveying belt control assembly;
the lower material conveying belt control assembly controls the lower material conveying belt to operate on the basis of the lower material conveying belt starting control instruction;
when the controller receives the material conveying belt stop signal, a lower material conveying belt stop control instruction is sent to the lower material conveying belt control assembly;
and the lower material conveying belt control assembly controls the lower material conveying belt to stop running based on the lower material conveying belt stop control instruction.
Preferably, the control system further comprises a gangue belt control assembly, and the gangue belt control assembly is connected with the controller;
the gangue belt control assembly is used for controlling a gangue belt to convey a gangue material to be processed to the box body when the gangue gate is opened;
the controller sends a waste rock feeding belt operation control instruction to the waste rock feeding belt control assembly after receiving the waste rock feeding gate in-place opening signal;
the waste rock feeding belt control assembly controls the waste rock feeding belt to operate on the basis of the waste rock feeding belt operation control instruction;
when the controller receives the material full signal, the controller also sends a waste belt operation stopping control instruction to the waste belt control assembly;
and the waste rock feeding belt control assembly controls the waste rock feeding belt to stop running based on the waste rock feeding belt stop running control instruction.
Preferably, the control system further comprises a gas composition sensor, the gas composition sensor being connected to the controller;
the gas component sensor is used for sending a gas component analysis result to the controller, so that the controller judges whether the desulfurization and denitrification are started or not based on the gas component analysis result.
The control system of the invention has the following working procedures:
switching on a power supply, and starting all parts in the control system;
and after the controller receives a material-free signal sent by the material switch, the lower waste rock gate is controlled to be closed, the upper waste rock gate is opened, the upper waste rock belt is started, and the box body is charged.
After receiving a material filling signal sent by the material switch, the controller controls to close the waste rock gate, starts the microwave generator and carries out microwave heating on the interior of the box body; simultaneously starting an air compressor to form a rotary wind field inside the box body; when the temperature in the box body reaches 800 ℃ under monitoring, the temperature is maintained at 800 ℃ and the time is delayed for 45 minutes. In the process, when the internal pressure of the box body reaches a limit value, the pressure safety valve automatically opens to release the pressure. In the process, whether the desulfurization and denitrification are started or not is intelligently judged according to the analysis condition of the system on the gas components.
After the time delay is 45 minutes, the controller controls to open the lower gangue gate, simultaneously controls the water spray cold quenching device to open and starts the lower material conveying belt, controls the water spray cold quenching device to stop working after the gangue in the box body is discharged, controls the belt to stop running after the material conveying is finished, and opens the upper gangue gate; when the gangue in the box body is exhausted, the controller receives the material-free signal sent by the material switch again and enters the next working cycle.
Those skilled in the art will appreciate that all or part of the flow of the method implementing the above embodiments may be implemented by a computer program, which is stored in a computer readable storage medium, to instruct related hardware. The computer readable storage medium is a magnetic disk, an optical disk, a read-only memory or a random access memory.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. The control system of the coal gangue modification and activation device is characterized by comprising a controller and a gate control assembly connected with the controller; the device comprises a box body which is obliquely arranged, wherein a microwave generator and an air compressor are arranged on the box body; wherein,
the controller controls the opening and closing of an upper gangue gate and a lower gangue gate of the box body through the gate control assembly;
the controller also controls the microwave generator to work or stop through a control instruction of the microwave generator; when the microwave generator is started, a microwave field is formed inside the box body and used for heating the coal gangue;
the controller also controls the air compressor to start or stop through an air compressor control instruction; when the air compressor is started, a wind field is formed inside the box body and used for enhancing the energy flux density of microwaves.
2. The control system for the coal gangue modification and activation device according to claim 1, further comprising a material level switch, wherein the material level switch is connected to the controller;
the material level switch is used for detecting the material level of the coal gangue material in the box body;
when the material level switch detects that no coal gangue material exists in the box body, generating a material-free signal and sending the material-free signal to the controller;
when the material level switch detects that the gangue material in the box is full, a material full signal is generated, and the material full signal is sent to the controller.
3. The control system for the coal gangue modification and activation device as defined in claim 2, wherein the controller sends a gate control command to the gate control component, and the gate control component controls the opening and closing of an upper gangue gate and a lower gangue gate of the box body based on the gate control command;
the gate control instruction comprises an upper gangue gate opening control instruction, an upper gangue gate closing control instruction, a lower gangue gate opening control instruction and a lower gangue gate closing control instruction;
when the controller receives the material-free signal, the controller sends a closing control command of a lower gangue gate to the gate control assembly;
the gate control assembly closes the lower waste rock gate based on the lower waste rock gate closing control instruction and feeds back a lower waste rock gate closing in-place signal to the controller;
after receiving the lower waste rock gate in-place closing signal, the controller sends an upper waste rock gate opening control instruction to the gate control assembly;
and the gate control assembly opens the upper gangue gate based on the upper gangue gate opening control instruction and feeds back an upper gangue gate opening in-place signal to the controller.
4. The control system for the coal gangue modification and activation device of claim 3, wherein the microwave generator control command comprises a microwave generator start control command;
when the controller receives a material full signal sent by the material level switch:
the controller sends a closing control instruction of the gangue feeding gate to the gate control assembly;
the gate control component closes the upper gangue gate based on the upper gangue gate closing control instruction and feeds back an upper gangue gate closing in-place signal to the controller;
after receiving the in-place closing signal of the upper gangue gate, the controller sends a microwave generator starting control instruction to the microwave generator;
and the microwave generator starts the microwave generator based on the microwave generator starting control instruction.
5. The control system for the coal gangue modification and activation device according to claim 4, wherein the air compressor control command comprises an air compressor start control command;
the controller also sends an air compressor starting control instruction to the air compressor after receiving the waste rock gate closing in-place signal;
the air compressor is started based on the air compressor starting control instruction.
6. The control system for the coal gangue modification and activation device as defined in claim 5, wherein the control system further comprises a temperature sensor, the temperature sensor being connected to the controller;
the temperature sensor is used for collecting the temperature in the box body and feeding back the collected temperature to the controller.
7. The control system for the coal gangue modification and activation device according to claim 6, wherein the microwave generator control instruction further comprises a heat preservation control instruction and a microwave generator shutdown control instruction, and the air compressor control instruction further comprises an air compressor shutdown control instruction;
when the controller detects that the temperature reaches a preset temperature, the controller sends the heat preservation control instruction to the microwave generator, and times the heat preservation time;
the microwave generator controls the microwave generator to be in a heat preservation mode based on the heat preservation control instruction, so that the temperature in the box body is maintained at the preset temperature;
when the heat preservation time length reaches a preset heat preservation time length, the controller sends a microwave generator closing control instruction to the microwave generator, sends an air compressor closing control instruction to the air compressor, and also sends a waste gate opening control instruction to the gate control assembly;
the microwave generator is turned off based on the microwave generator turn-off control instruction;
the air compressor is turned off based on the air compressor turning-off control instruction;
and the gate control assembly opens the lower gangue gate based on the lower gangue gate opening control instruction.
8. The control system for the coal gangue modification and activation device as defined in claim 7, wherein the control system further comprises a cold quenching treatment device control assembly, the cold quenching treatment device control assembly being connected to the controller; the device also comprises cold quenching treatment equipment;
when the heat preservation time reaches the preset heat preservation time, the controller also sends a cold quenching treatment equipment starting control instruction to the cold quenching treatment equipment control assembly;
the cold quenching treatment equipment control assembly controls the cold quenching treatment equipment to operate based on the cold quenching treatment equipment starting control instruction;
the cold quenching treatment equipment control assembly is used for controlling the cold quenching treatment equipment to cool the modified and activated coal gangue material output by the box body when the lower gate is opened;
when the controller receives the material-free signal, the controller also sends a cold quenching treatment equipment stopping control instruction to the cold quenching treatment equipment control assembly;
and the cold quenching treatment equipment control assembly controls the cold quenching treatment equipment to stop running based on the cold quenching treatment equipment stop control instruction.
9. The control system for the coal gangue modification and activation device according to claim 8, wherein the control system further comprises a lower conveying belt control assembly and a conveying detection assembly, and the lower conveying belt control assembly and the conveying detection assembly are both connected with the controller; the device also comprises a lower conveying belt;
the lower conveying belt control assembly is used for controlling the lower conveying belt to convey the cooled and modified and activated coal gangue material;
the material conveying detection assembly is used for generating a material conveying belt stopping signal when no material is detected on the lower material conveying belt;
when the heat preservation time length reaches a preset heat preservation time length, the controller also sends a lower material conveying belt starting control instruction to the lower material conveying belt control assembly;
the lower material conveying belt control assembly controls the lower material conveying belt to operate on the basis of the lower material conveying belt starting control instruction;
when the controller receives the material conveying belt stop signal, a lower material conveying belt stop control instruction is sent to the lower material conveying belt control assembly;
the lower material conveying belt control assembly controls the lower material conveying belt to stop running based on the lower material conveying belt stop control instruction.
10. The control system for the coal gangue modification and activation device according to any one of claims 3 to 9, further comprising a gangue feeding belt control assembly, wherein the gangue feeding belt control assembly is connected with the controller; the device also comprises a waste rock feeding belt;
the gangue belt control assembly is used for controlling a gangue belt to convey a gangue material to be processed to the box body when the gangue gate is opened;
the controller sends a waste rock feeding belt operation control instruction to the waste rock feeding belt control assembly after receiving the waste rock feeding gate in-place opening signal;
the waste rock feeding belt control assembly controls the waste rock feeding belt to operate on the basis of the waste rock feeding belt operation control instruction;
when the controller receives the material full signal, the controller also sends a waste belt operation stopping control instruction to the waste belt control assembly;
and the waste rock feeding belt control assembly controls the waste rock feeding belt to stop running based on the waste rock feeding belt stop running control instruction.
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| CN202110947889.4A CN115709211A (en) | 2021-08-18 | 2021-08-18 | Control system of coal gangue modification and activation device |
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| CN202110947889.4A CN115709211A (en) | 2021-08-18 | 2021-08-18 | Control system of coal gangue modification and activation device |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB975777A (en) * | 1961-12-22 | 1964-11-18 | Stamicarbon | Control systems for conveyors |
| CN101456690A (en) * | 2009-01-07 | 2009-06-17 | 中国建筑材料科学研究总院 | Method and system for preparing active coal gangue |
| DE102011080295A1 (en) * | 2011-08-02 | 2013-02-07 | Joachim Bauer | Apparatus useful for plasma treatment of bulk materials, comprises evacuable processing chamber, inner tube, vacuum process-device, inlet- and an outlet locking means, vacuum locking-device, transporting device, and plasma device |
| CN102925234A (en) * | 2012-10-19 | 2013-02-13 | 太原理工大学 | Coal seam gas deoxidizing device for heating coal gangue by microwaves |
| CN103060046A (en) * | 2012-12-28 | 2013-04-24 | 神华集团有限责任公司 | Coal impurity removing system and control method applied to same |
| CN103215077A (en) * | 2013-04-10 | 2013-07-24 | 山西鑫立能源科技有限公司 | Control device of thermal cycle continuous coal gangue pyrolysis gasification comprehensive device |
| CN103268090A (en) * | 2013-04-28 | 2013-08-28 | 韶关市柏林再生资源开发有限公司 | Coal gangue activation numerical control system |
| CN113790601A (en) * | 2021-08-18 | 2021-12-14 | 中科鼎乾(北京)环保发展有限公司 | Intelligent activation device for coal gangue |
| CN115889417A (en) * | 2021-08-18 | 2023-04-04 | 中科鼎乾(北京)环保发展有限公司 | Intelligent activation process method for coal gangue |
-
2021
- 2021-08-18 CN CN202110947889.4A patent/CN115709211A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB975777A (en) * | 1961-12-22 | 1964-11-18 | Stamicarbon | Control systems for conveyors |
| CN101456690A (en) * | 2009-01-07 | 2009-06-17 | 中国建筑材料科学研究总院 | Method and system for preparing active coal gangue |
| DE102011080295A1 (en) * | 2011-08-02 | 2013-02-07 | Joachim Bauer | Apparatus useful for plasma treatment of bulk materials, comprises evacuable processing chamber, inner tube, vacuum process-device, inlet- and an outlet locking means, vacuum locking-device, transporting device, and plasma device |
| CN102925234A (en) * | 2012-10-19 | 2013-02-13 | 太原理工大学 | Coal seam gas deoxidizing device for heating coal gangue by microwaves |
| CN103060046A (en) * | 2012-12-28 | 2013-04-24 | 神华集团有限责任公司 | Coal impurity removing system and control method applied to same |
| CN103215077A (en) * | 2013-04-10 | 2013-07-24 | 山西鑫立能源科技有限公司 | Control device of thermal cycle continuous coal gangue pyrolysis gasification comprehensive device |
| CN103268090A (en) * | 2013-04-28 | 2013-08-28 | 韶关市柏林再生资源开发有限公司 | Coal gangue activation numerical control system |
| CN113790601A (en) * | 2021-08-18 | 2021-12-14 | 中科鼎乾(北京)环保发展有限公司 | Intelligent activation device for coal gangue |
| CN115889417A (en) * | 2021-08-18 | 2023-04-04 | 中科鼎乾(北京)环保发展有限公司 | Intelligent activation process method for coal gangue |
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