CN208569353U - A kind of limekiln ash discharge automatic control system based on PLC control - Google Patents
A kind of limekiln ash discharge automatic control system based on PLC control Download PDFInfo
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- CN208569353U CN208569353U CN201821154997.6U CN201821154997U CN208569353U CN 208569353 U CN208569353 U CN 208569353U CN 201821154997 U CN201821154997 U CN 201821154997U CN 208569353 U CN208569353 U CN 208569353U
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Abstract
The utility model discloses a kind of limekiln ash discharge automatic control systems based on PLC control, including PLC master station controller, the PLC master station controller with PLC is electrically connected with from station control by cable, the PLC has switching value output module by data line electrical connection from station control, the switching value output module is electrically connected with six the first relays, the first relay and electromagnetic vibration batcher by wiring and is electrically connected by cable.The utility model realizes data exchange by network communication by PLC master station and 200 slave station of PLC Smart, 200 slave station of PLC Smart and weighing display table are communicated by RS485 and realize data exchange, network communication strong antijamming capability, transmission speed are fast in production process, to solve ash discharge system material drag situation, guarantee that limekiln normally produces, 200 slave station director demon of PLC Smart such as can monitor, upload on-line at the functions simultaneously, facilitates and uses and safeguard in the future.
Description
Technical field
The utility model relates to limekiln ash discharge technical field, specially a kind of limekiln ash discharge based on PLC control is certainly
Autocontrol system.
Background technique
In process of production, limekiln goes out ash handing system and the deficiencies in the prior art occurs, original controller and west
The sub- S7 300 of door realizes data exchange by DP communication, and DP communication is passed through there are signal interference, processing speed are slow in production process
Often there is material drag situation, causes kiln condition to deteriorate, grey matter fluctuation.Original controller upload function that support program is not read and write,
There are inconveniences during maintenance and maintenance.Therefore we make improvement to this, propose a kind of lime based on PLC control
Kiln ash discharge automatic control system.
Utility model content
To solve defect of the existing technology, the utility model provide a kind of limekiln ash discharge based on PLC control from
Autocontrol system.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of limekiln ash discharge automatic control system based on PLC control of the utility model, including PLC master station controller,
The PLC master station controller with PLC is electrically connected with from station control by cable, the PLC passes through data from station control
Line is electrically connected with switching value output module, and the switching value output module is electrically connected with six the first relays by wiring
Device, the first relay and electromagnetic vibration batcher are electrically connected by cable, and the PLC is electrically connected from station control by data line
It is connected to switching input module, the switching input module and limit switch to be electrically connected by cable, the switching value is defeated
Enter module and change-over switch is electrically connected with by cable, the PLC passes through number by RS485 connection and six from station control
It is electrically connected according to the weighing digital display meter that line is together in series, digital display meter of weighing is electrically connected with weighing sensor by cable, described
Switching value output module is electrically connected by cable there are six the second relay, and the second relay passes through cable electricity with pneumatic gate valve
Property connection, the electromagnetic vibration batcher is arranged between the ash hopper and scale hooper of ash furnace ontology, and scale hooper is arranged in ash furnace sheet
Between the ash hopper and storage ash bucket of body, the storage ash bucket bottom surface, which is fixedly installed with, unloads grey oscillating feeder, unloads grey oscillating feeder
Positive lower end is equipped with kiln bottom belt.
As a kind of optimal technical scheme of the utility model, the PLC master station controller is the control of SIEMENS PLC 300
Device, the PLC is from 200 controller of station control SIEMENS PLC Smart.
As a kind of optimal technical scheme of the utility model, the weighing digital display meter is equipped with six pieces, digital display epitope of weighing
In in ash discharge system operation control box, six pieces of weighing digital display meter addresses are set to 1-6.
As a kind of optimal technical scheme of the utility model, the weighing sensor is six, is located at six titles
Batch box lower part.
As a kind of optimal technical scheme of the utility model, first relay be six, respectively with it is corresponding
Electromagnetic vibration batcher is electrically connected.
As a kind of optimal technical scheme of the utility model, second relay be six, respectively with it is corresponding
It controls six pneumatic gate valves to be electrically connected, six second relays are located at six scale hooper lower parts.
As a kind of optimal technical scheme of the utility model, the limit switch is six, and the limit switch is divided into
Pneumatic gate valve opens limit and closes limit, is separately mounted to reaching position and closing on position in place for pneumatic gate valve.
As a kind of optimal technical scheme of the utility model, the change-over switch is six, respectively installation control operation
On case.
The beneficial effects of the utility model are: the limekiln ash discharge automatic control system that this kind is controlled based on PLC, passes through
By network communication realization data exchange, 200 slave station of PLC Smart and weighing are aobvious for PLC master station and 200 slave station of PLC Smart
To show that table is communicated by RS485 and realizes data exchange, network communication strong antijamming capability, transmission speed are fast in production process, thus
It solves ash discharge system material drag situation, guarantees that limekiln normally produces, while 200 slave station director demon of PLC Smart can be with
The functions such as on-line monitoring, upload, it is convenient to use and safeguard in the future, and PLC master station and PLC slave station realize number by network communication
According to exchange, PLC slave station and weighing digital display meter are communicated by RS485 and realize that data exchange, electromagnetic vibration batcher mode are fed, pneumatically
Knife switch blanking, a whole set of control system realize the automatic control of limekiln ash discharge, can reduce labor intensity, mention significantly
High production operation efficiency.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of control principle signal of the limekiln ash discharge automatic control system based on PLC control of the utility model
Figure;
Fig. 2 is a kind of structural schematic diagram of the limekiln ash discharge automatic control system based on PLC control of the utility model;
Fig. 3 is a kind of control flow signal of the limekiln ash discharge automatic control system based on PLC control of the utility model
Figure.
In figure: 1, PLC master station controller;2, PLC is from station control;3, switching value output module;4, On-off signal mould
Block;5, weighing digital display meter;6, weighing sensor;7, the first relay;8, electromagnetic vibration batcher;9, the second relay;10, pneumatic
Gate;11, limit switch;12, change-over switch;13, limekiln ontology 13;14, ash bucket is stored up;15, grey oscillating feeder is unloaded;16,
Kiln bottom belt.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figure 1, Figure 2 and Figure 3, a kind of limekiln based on PLC control of the utility model the utility model
Ash discharge automatic control system, including PLC master station controller 1, the PLC master station controller 1 with PLC is electrically connected with by cable
From station control 2, the PLC has switching value output module 3, the switching value by data line electrical connection from station control 2
Output module 3 is electrically connected with six the first relays 7 by wiring, and the first relay 7 passes through cable with electromagnetic vibration batcher 8
It is electrically connected, the PLC has switching input module 4, the On-off signal by data line electrical connection from station control 2
Module 4 and limit switch 11 are electrically connected by cable, and the switching input module 4 is electrically connected with conversion by cable and opens
12 are closed, the PLC passes through RS485 connection and six 5 electricity of weighing digital display meter being together in series by data line from station control 2
Property connection, weighing digital display meter 5 is electrically connected with weighing sensor 6 by cable, and it is electric that the switching value output module 3 passes through cable
Property connection there are six the second relay 9, the second relay 9 with pneumatic gate valve 10 by cable electric connection, give by the electromagnetic vibration
Material machine 8 is arranged between the ash hopper and scale hooper of ash furnace ontology 13, and the ash hopper and storage of ash furnace ontology 13 is arranged in scale hooper
Between ash bucket 14,14 bottom surface of storage ash bucket, which is fixedly installed with, unloads grey oscillating feeder 15, unloads the positive lower end of grey oscillating feeder 15
Equipped with kiln bottom belt 16.
Wherein, the PLC master station controller 1 is 300 controller of SIEMENS PLC, and the PLC is from 2 Siemens of station control
200 controller of PLC Smart, performance are stablized, and processing speed is fast, powerful.
Wherein, the weighing digital display meter 5 is equipped with six pieces, and weighing digital display meter 5 is located in ash discharge system operation control box, and six pieces
5 address of weighing digital display meter is set to 1-6, and execute-in-place work is clear that every batch of ash discharge weight.
Wherein, the weighing sensor 6 is six, is located at six scale hooper lower parts.
Wherein, first relay 7 is six, is electrically connected respectively with corresponding electromagnetic vibration batcher 8, facilitates use
In vibration ash hopper feed.
Wherein, second relay 9 is six, is electrically connected respectively with corresponding six pneumatic gate valves 10 of control,
Six second relays 9 are located at six scale hooper lower parts.
Wherein, the limit switch 11 is six, and the limit switch 11, which divides, to be opened limit for pneumatic gate valve and close limit, point
It is not mounted on reaching position and closing on position in place for pneumatic gate valve.
Wherein, the change-over switch 12 is six, respectively on installation control control box, is conveniently used for scene and long-range behaviour
Make.
When work, production technology needs, and middle control work sets yield and ash discharge period, PLC on duty in host computer picture and connects
Order is received, data are handled by CPU and are accurately calculated, the blowing order of limekiln ontology 13 is executed, is supervised by weighing sensor 6
Grey weight is measured, feedback reaches PLC control system, reaches setting value electromagnetic vibration batcher 8 and stops feed, pneumatic gate valve 10 is opened
It executing blanking order and completes an ash discharge task, adding up for each ash discharge weight calculates finished product ash yield on duty, and whole
During a ash discharge, storage ash bucket 14 is used to store the finished product ash just come out, unloads grey oscillating feeder 15 for discharging finished product ash, kiln
Bottom belt 16 is used to convey the finished product ash of storage ash bucket 14.
Entire control flow realizes number by network communication protocol from station control 2 by PLC master station controller 1 and PLC
According to exchange, middle control work calculates yield on duty according to manufacturing technique requirent, on HMI operation screen set ash discharge yield and
Ash discharge period, PLC control unit receive data command, carry out sequential operation processing, and PLC receives ash discharge from station control 2
Instruction, while six 10 closed states of pneumatic gate valve are detected, allow six starting feeds of electromagnetic vibration batcher 8, at this moment passes through peace
Weighing sensor 6 mounted in scale hooper lower part passes the signal to weighing digital display meter 5, and weighing digital display meter 5 is communicated by RS485 again
PLC is transmitted to from station control 2, PLC transfers data to PLC master station controller 1 by network communication again from station control 2,
It is shown on HMI control picture by calculation process weighing data, in the process PLC master station controller 1 and the control of PLC slave station
Device 2 can compare in real time according to the weight of the ash discharge weight under calculating in program and actual measurement, when actual value is greater than calculated value,
Corresponding electromagnetic vibration batcher 8 stops being fed, and after time interval 5S, pneumatic gate valve 10 automatically opens blanking.When each weighing passes
When the detection doses of sensor 6 is zero, corresponding pneumatic gate valve 10 is closed, realizes an ash discharge task.Six pneumatic gate valves 10 are all
When in off position, start to execute ash discharge task next time.To realize the automatic control of 13 system of limekiln ontology.
Wherein, PLC is used as slave station using a SIEMENS PLC Smart 200 from station control 2, passes through cable and PLC
Main station controller 1 is communicated, and PLC master station controller 1 is made of the PLC of Siemens S7-300 series, and performance is stablized, processing
Speed is fast, powerful, and networking capability is strong.PLC control system includes a main PLC master station controller 1 and a Smart 200
PLC from station control 2, CPU6ES7 315-2AH14-0AB0 of the PLC master station controller 1 by a S7-300, a communication
CP ethernet module (6GK7 343-1EX10-0XE0) and corresponding stand module and power module.PLC control system is mainly completed
Signal input and output processing, logic calculation, Communication processing etc..Slave station is by PLC from station control 2Smart 200(6ES7 288-1
ST20-0AA0), switching input module 4(6ES7 288-2DE08-0AA0), switching value output module 3(6ES7 288-
2DT08-0AA0), weigh digital display meter 5(IND320L) composition, weighing sensor 6 and the weighing electric connection of digital display meter 5, number of weighing
Aobvious table 5 and PLC are electrically connected from station control 2Smart 200 by RS485 connection, and PLC is completed from station control 2 to existing
The input of field detecting signal acquires and the output to output signal.PLC passes through from the signal that station control 2Smart 200 is acquired
Cable is transmitted to PLC master station controller 1 and is handled.HMI grinds auspicious industrial personal computer by one and host computer configuration software forms, mainly
Show six scale hooper doses, 8 operating status of electromagnetic vibration batcher, 10 switch state of pneumatic gate valve and operative employee's operation
Picture is manually operated.PLC master station controller 1 and PLC are handed between station control 2 by the data of ethernet communication protocol realization
It changes, communicates strong antijamming capability compared with previous DP line, processing speed is fast, with better function.
Weighing digital display meter 5 and weighing sensor 6 are quite important in entire control system, main to complete live ash discharge weight
Detection, six weighing sensors 6 respectively correspond six table scale weight digital display meters 5, and execute-in-place work is clear that every batch of ash discharge weight
Amount can be carried out school by digital display meter 5 of weighing and claim, easy to operate.
Electromagnetic vibration batcher 8 and pneumatic gate valve 10 are used as executing agency, decide that can the ash discharge period normally execute, ash discharge
The executing agency of system is made of six electromagnetic vibration batchers 8 and six pneumatic gate valves 10, the main electricity for completing live finished product ash
Magnetic rapping feed and switch gate blanking effect.
Limit switch 11 divides to open limit and closing limit, and operative employee can see that pneumatic gate valve 10 switchs shape in HIM picture
State, while limit switch 11 plays chain effect in the controls.When pneumatic gate valve 10 is not permitted in limit electromagnetic vibration is opened
Perhaps start blowing, can just allow to start blowing when pneumatic gate valve 10 is in pass limit electromagnetic vibration.
So in summary:
1, the utility model realizes that data are handed over by network communication from station control 2 using PLC master station controller 1 and PLC
It changes, according to manufacturing technique requirent, PLC master station controller 1 issues starting ash discharge order, is controlled by network transmission to PLC slave station
2 control instruction of device carries out automatically controlling external equipment, completes ash discharge task.
2, six pieces of weighing digital display meters 5 are together in series by the utility model using Shielded Twisted Pair and PLC leads to from station control 2
It crosses RS485 communication and realizes data exchange.
3, the utility model is electrically connected using weighing sensor 6 and weighing digital display meter 5, can accurately be weighed every batch of and be gone out
Grey weight reaches the yield that daily production needs.
4, the utility model uses electromagnetic vibration batcher 8, and electrical control uses half-wave rectifying circuit, can step-less adjustment feed
Amount can be used in the production procedure of automatic control, realize Automation of Manufacturing Process.
5, the utility model uses pneumatic gate valve 10, can quickly switch bulkhgead gate, complete out in setting time
Grey task.
6, the utility model uses limit switch 11, and limit switch 11 is located at when reaching, and chain electromagnetic vibration does not allow to put
Material, when limit switch 11 is located at pass in place, chain electromagnetic vibration allows blowing.
7, the utility model structure is simple, can reduce labor intensity of workers, improves production efficiency.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of limekiln ash discharge automatic control system based on PLC control, which is characterized in that including PLC master station controller
(1), the PLC master station controller (1) is electrically connected with PLC from station control (2), the PLC slave station control with by cable
Device (2) has switching value output module (3) by data line electrical connection, and the switching value output module (3) passes through wiring electrical property
There are six the first relay (7) for connection, and the first relay (7) and electromagnetic vibration batcher (8) are electrically connected by cable, described
PLC has switching input module (4) from station control (2) by data line electrical connection, the switching input module (4) with
Limit switch (11) is electrically connected by cable, and the switching input module (4) is electrically connected with change-over switch by cable
(12), the PLC passes through RS485 connection and six weighing digital display meters being together in series by data line from station control (2)
(5) it is electrically connected, weighing digital display meter (5) is electrically connected with weighing sensor (6), the switching value output module by cable
(3) it is electrically connected by cable there are six the second relay (9), the second relay (9) and pneumatic gate valve (10) pass through cable electricity
Property connection, the electromagnetic vibration batcher (8) is arranged between the ash hopper and scale hooper of ash furnace ontology (13), and scale hooper setting exists
Between the ash hopper and storage ash bucket (14) of ash furnace ontology (13), storage ash bucket (14) bottom surface, which is fixedly installed with, unloads grey vibrating feed
Machine (15) unloads the positive lower end of grey oscillating feeder (15) and is equipped with kiln bottom belt (16).
2. a kind of limekiln ash discharge automatic control system based on PLC control according to claim 1, which is characterized in that
The PLC master station controller (1) is 300 controller of SIEMENS PLC, and the PLC is from station control (2) SIEMENS PLC Smart
200 controllers.
3. a kind of limekiln ash discharge automatic control system based on PLC control according to claim 1, which is characterized in that
The weighing digital display meter (5) is equipped with six pieces, and weighing digital display meter (5) is located in ash discharge system operation control box, six pieces of weighings
Digital display meter (5) address is set to 1-6.
4. a kind of limekiln ash discharge automatic control system based on PLC control according to claim 1, which is characterized in that
The weighing sensor (6) is six, is located at six scale hooper lower parts.
5. a kind of limekiln ash discharge automatic control system based on PLC control according to claim 1, which is characterized in that
First relay (7) is six, is electrically connected respectively with corresponding electromagnetic vibration batcher (8).
6. a kind of limekiln ash discharge automatic control system based on PLC control according to claim 1, which is characterized in that
Second relay (9) is six, is electrically connected respectively with six pneumatic gate valves (10) of corresponding control, six described the
Two relays (9) are located at six scale hooper lower parts.
7. a kind of limekiln ash discharge automatic control system based on PLC control according to claim 1, which is characterized in that
The limit switch (11) is six, and the limit switch (11) is divided into pneumatic gate valve and opens limit and close limit, is separately mounted to
Pneumatic gate valve reaches position and closes on position in place.
8. a kind of limekiln ash discharge automatic control system based on PLC control according to claim 1, which is characterized in that
The change-over switch (12) is six, respectively on installation control control box.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110254765A (en) * | 2019-06-18 | 2019-09-20 | 中科台达(湖州)信息技术有限公司 | A kind of control method and system collecting grey tower automatic ash-discharging subpackage equipment |
CN110835238A (en) * | 2019-10-26 | 2020-02-25 | 石家庄奋进科技有限公司 | Volume-weight type sealing ash discharging machine |
CN112028501A (en) * | 2020-09-14 | 2020-12-04 | 北京嘉永会通能源科技有限公司 | High-yield double-hearth lime kiln combustion automatic control system |
CN113433826A (en) * | 2021-06-30 | 2021-09-24 | 福建中试所电力调整试验有限责任公司 | Automatic control method for optimization of ash discharge period |
CN116553839A (en) * | 2023-03-07 | 2023-08-08 | 山东莱钢永锋钢铁有限公司 | Automatic control method applied to lime discharging of lime kiln |
-
2018
- 2018-07-20 CN CN201821154997.6U patent/CN208569353U/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110254765A (en) * | 2019-06-18 | 2019-09-20 | 中科台达(湖州)信息技术有限公司 | A kind of control method and system collecting grey tower automatic ash-discharging subpackage equipment |
CN110254765B (en) * | 2019-06-18 | 2021-01-15 | 中科台达(湖州)信息技术有限公司 | Control method and system for automatic ash discharge subpackaging equipment of ash collecting tower |
CN110835238A (en) * | 2019-10-26 | 2020-02-25 | 石家庄奋进科技有限公司 | Volume-weight type sealing ash discharging machine |
CN112028501A (en) * | 2020-09-14 | 2020-12-04 | 北京嘉永会通能源科技有限公司 | High-yield double-hearth lime kiln combustion automatic control system |
CN113433826A (en) * | 2021-06-30 | 2021-09-24 | 福建中试所电力调整试验有限责任公司 | Automatic control method for optimization of ash discharge period |
CN113433826B (en) * | 2021-06-30 | 2022-06-10 | 福建中试所电力调整试验有限责任公司 | Automatic control method for optimization of ash discharge period |
CN116553839A (en) * | 2023-03-07 | 2023-08-08 | 山东莱钢永锋钢铁有限公司 | Automatic control method applied to lime discharging of lime kiln |
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Address after: 016064 Mengxi Industrial Park, Etok Banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: Ordos Shuangxin Chemical Industry Co., Ltd. Address before: 016064 Mengxi Industrial Park, Etok Banner, Ordos City, Inner Mongolia Autonomous Region Patentee before: Erdos Shuangxin Chemical Industry Co., Ltd. |
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CP01 | Change in the name or title of a patent holder |