CN203428571U - Flow monitoring and control device for ore ship-unloading system - Google Patents
Flow monitoring and control device for ore ship-unloading system Download PDFInfo
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- CN203428571U CN203428571U CN201320458371.5U CN201320458371U CN203428571U CN 203428571 U CN203428571 U CN 203428571U CN 201320458371 U CN201320458371 U CN 201320458371U CN 203428571 U CN203428571 U CN 203428571U
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Abstract
The utility model discloses a flow monitoring and control device for an ore ship-unloading system, relates to the technical field of control of mechanical and electrical equipment and particularly belongs to a flow monitoring and control device aiming at the ore ship-unloading system. The flow monitoring and control device comprises a weighing sensor (1), a processor, a transmission module (8), a PLC (Programmable Logic Controller) master station, a central control room controller (4), a wireless communication network, a power supply circuit (5), a vibratory feeder, a ship unloader PLC (2) and a ship unloader room display (3). The weighing sensor is arranged on a belt conveyor, is connected to the processor and implements connection with the PLC master station, the central control room controller and the ship unloader PLC by the transmission module; the ship unloader PLC is connected with the control end of a frequency converter of the vibratory feeder. The flow monitoring and control device for the ore ship-unloading system has the active effect of conveniently, rapidly and effectively controlling operation efficiency in real time so as to effectively reduce the phenomena of spreading and leakage of materials and prevent the adverse effect on equipment, which is caused by overload operation.
Description
Technical field
The utility model relates to mechanical electromechanical appliance control technology field, particularly belongs to a kind of flow monitoring for ore ship-unloading system and control setup.
Background technology
In recent years, the ore transportation development of unloading a ship in harbour is swift and violent, along with deepening continuously of competition, also more and more higher to the requirement of the technological process of unloading a ship.The ore that present stage generally the adopts technological process of unloading a ship, generally by ship unloaders, ground band conveyor, stacker-reclaimer etc., formed, article one, band conveyor can corresponding many ship unloaders, equally, ship unloaders also can be selected between different band conveyors, thereby form different work flows.In order to make the efficiency performance of ship unloaders and band conveyor in a certain flow process reach Proper Match, current way is: ship unloaders driver judges by range estimation the ore flow that band conveyor carries, and then carries out the adjusting operation of ship unloaders blowing speed.When ore proportion difference, the contained ore of every ship changes again especially frequently in situation, range estimation way does not possess accuracy, can not accurately control dispensing speed according to the real-time traffic of band conveyor, result is easy to cause band conveyor operation flow to surpass rated flow, then cause the serious spreading of whole flow process, leak material, need a large amount of personnel's cleanings, stop up in addition switching funnel, cause and produce the possibility of interrupting.In addition, there is potential harm to production facilities in overload production operation, and as drop-gear box broken teeth, off-axis, fluid coupling oil spout etc., cause harmful effect to production safety, production efficiency, the quality of production.
Summary of the invention
The purpose of this utility model is to provide a kind of novel ore ship-unloading system flow monitoring and control setup, to reach Reasonable Regulation And Control operating efficiency, to reduce the object that material, maintenance equipment production safety are leaked in spreading.
Ore ship-unloading system flow monitoring disclosed in the utility model and control setup, it is characterized in that, comprise LOAD CELLS, treater, transport module ,PLC main website, Central Control Room controller, wireless communication networks, power circuit, vibra feeder, ship unloaders PLC and the unit room display interface of unloading a ship; LOAD CELLS is arranged on band conveyor, is connected in the input port of treater, and treater utilizes it with RS485 interface, and by transport module, realizes the communication of YuPLC main website; PLC main website is connected with the input end of Central Control Room controller by optical cable; Described wireless communication networks comprises wireless telecommunications transmitter and wireless communication receiver, and wireless telecommunications transmitter is connected in the output port of Central Control Room controller, and wireless communication receiver is connected in the input end of ship unloaders PLC; Ship unloaders PLC is connected with the control end of vibra feeder frequency converter; Power circuit provides power supply for whole device.
Control ore ship-unloading system flow monitoring disclosed in the utility model and control setup, its effect is achieved in that
One, ship unloaders blowing auto-control:
1) by the real-time traffic of LOAD CELLS and treater measuring belt conveyer, and utilize transport module that data on flows is sent to PLC main website, then be sent to Central Control Room controller and telltale, ship unloaders PLC and telltale;
2) ship unloaders PLC analyzes above-mentioned data on flows, compares with setting value, according to comparative result, controls vibra feeder frequency converter, to realize the automatic adjustment of vibra feeder delivery rate:
When flow process flow is when rated flow is following, ship unloaders driver is according to the data of real-time demonstration, gradually enlargement discharge.
When flow process flow surpasses rated flow, ship unloaders telltale flow for displaying is overweight, reports to the police, and automatically reduces ship unloaders vibra feeder dispensing speed;
When flow process flow surpasses maximum permissible flow, ship unloaders telltale shows overload, automatically stops ship unloaders vibra feeder blowing;
Two, ship unloaders driver inquires about band conveyor flow:
1) ship unloaders PLC analyzes above-mentioned data on flows, forms picture and text and shows and waveform trend figure, is presented at the interface of ship unloaders telltale;
2) by InTouch Development configuration software, design database, ship unloaders PLC calculates band conveyor data on flows, analyze and adds up, and realizes remote access by local area network.
Ore ship-unloading system flow monitoring disclosed in the utility model and control setup, can realize the remote monitor and control to band conveyor flow, not only can make band conveyor flow remain in certain range of control, and can be in time by the current condition feedback of band conveyor flow to ship unloaders PLC, the logical ship unloaders display interfaces of driver can be inquired about the flow status data of band conveyor random time at any time simultaneously, have and facilitate fast and effectively control in real time operating efficiency, effectively to reduce spreading, leak material phenomenon, prevent that overload operation forms the good effect of adverse effect to equipment.
Accompanying drawing explanation
Accompanying drawing part further discloses the specific embodiment of the present utility model, below in conjunction with accompanying drawing, the utility model is described in further detail,
Fig. 1 is ore ship-unloading system flow monitoring and control setup arrangement structure schematic diagram;
Fig. 2 is the logic diagram of ore ship-unloading system flow monitoring and control setup;
Fig. 3 is the workflow diagram of ore ship-unloading system flow monitoring and control setup.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model for ore ship-unloading system flow monitoring and control setup, comprise LOAD CELLS 1, treater, transport module 8 ,PLC main websites, Central Control Room controller 4, wireless communication networks, power circuit 5, vibra feeder, ship unloaders PLC 2 and the unit room telltale 3 of unloading a ship.
LOAD CELLS and treater that above-mentioned LOAD CELLS 1, treater system utilize belted electronic balance to comprise, without purchasing in addition and installing.Treater utilizes it with RS485 interface, and by transport module, realize the communication of YuPLC main website, PLC main website can select S7-226PLC as data collection station (DAS), and connect with the communication that MODBUS RTU communications protocol realizes between S7-226 PLC and treater, field network adopts the access of principal and subordinate's addressing mode; LOAD CELLS is obtained flow signal, and treated device sends a signal to Central Control Room by ，PLC main website of transport module transmitted traffic signal ZhiPLC main website by optical cable after processing.
Utilize wireless communication networks to realize the radio communication between Central Control Room controller and ship unloaders PLC.Described wireless communication networks comprises wireless telecommunications transmitter 6 and wireless communication receiver 7, and Central Control Room has 2 wireless telecommunications transmitters, is connected with Central Control Room controller; 1 wireless communication receiver is installed on every ship unloaders, and PLC is connected with ship unloaders.Wireless communication receiver on ship unloaders receives the data on flows sending from the wireless telecommunications transmitter in Central Control Room, ship unloaders PLC is according to the flow of material on band conveyor, analysis judges whether the frequency of this increase vibra feeder frequency converter, and then the blowing amount on band conveyor.
Obviously, described power circuit 5 should be set and provide power supply for whole device.In addition, be simplied system structure, above-mentioned LOAD CELLS and treater can replace with SIEMENS BW500 belt conveyer scale.
Described belt conveyer scale can be processed belt load and speed signal, and accurately calculate flow and the cumulative amount of solid, data between belt conveyer scale YuPLC main website transmit, be by the integrated RS485 interface of belt conveyer scale, to be connected to corresponding transport module to complete, and the communication that adopts MODBUS RTU communications protocol to realize between S7-226 PLC and belt conveyer scale connect.The flow signal that belt conveyer scale gathers, YouPLC main website reaches Central Control Room controller by optical cable, wireless telecommunications transmitter in Central Control Room reaches the wireless communication receiver in ship unloaders by signal again, and ship unloaders are processed and analyzed data on flows by ship unloaders PLC after receiving signal.
In the specific embodiment, belt conveyer scale can adopt multiple functional planimeter BW500, and belt load and speed signal are processed, accurately calculates flow and the cumulative amount of solid.BW500 is integrated standard RS-232 and RS-485 communication interface, totally 3 kinds of communications protocol is integrated MODBUS-RTU and MODBUS-ASCII and standard DOLPHIN.Because there are 2 BW500 controllers at scene, gather respectively the data of two band conveyors, in conjunction with on-the-spot application sublimity, the final RS485 interface MODBUS RTU communications protocol of belt conveyer scale that adopts connects for the communication between S7-226 PLC and BW500, and field network adopts the access of principal and subordinate's addressing mode.It is main wireless telecommunication system that wireless device adopts American I NTUICOM 2.4G product, the advantage that this product possesses: possess 2.4G licensed band; Radio modulation mode is OFDM, 40M bandwidth, 108Mbps speed; 600 milliwatt emissive powers; The sensitivity of arrive-97DBM of-74 dbm, equipment is reliable, and performance is leading.
A data receiver is respectively set on some ship unloaders, and receptor SRM6320 receives after message data, and data message is decoded, and decoded data are connected to the Industrial Ethernet of ship unloaders own by Industrial Ethernet.Seamless communication and data sharing on the physical layer of Belt Conveying machine data and ship unloaders data have so just been realized.
Principle of work below in conjunction with 3 pairs of ore ship-unloading system flow monitorings disclosed in the utility model of accompanying drawing and control setup is further described:
The belt balance weighing of band conveyor measures current data on flows, sends to PLC main website, then reach Central Control Room controller by optical cable through transport module.Wireless telecommunications transmitter in Central Control Room is sent to ship unloaders by signal, and received by the wireless communication receiver on ship unloaders, and then the data that belt conveyer scale collected by ship unloaders PLC are processed and are analyzed, generate band conveyor flow control value, to control ship unloaders vibra feeder blowing amount.
When flow process flow is in rated flow, when as following in 7500t/h, ship unloaders driver is according to the flow process flow of real-time demonstration, gradually enlargement discharge.
When flow process flow reaches 7500t/h, warning that driver's cab CMS flow for displaying is overweight, and automatically reduce ship unloaders vibra feeder dispensing speed.
When flow process flow surpasses 8500t/h, driver CMS chamber shows overload, automatically stops ship unloaders vibra feeder blowing.
Ore ship-unloading system flow monitoring disclosed in the utility model and control setup, also there is ship unloaders inquiry band conveyor flow CMS interface, driver's cab CMS system interface has corresponding picture and text demonstration and waveform trend figure shows, driver can real time inspection ground band conveyor operation flow related data, and assist driver to control the operation in operation process by analysis software.Ship unloaders PLC has hardware and compiler control program, realizes vibra feeder and can control blowing function according to uninterrupted.By InTouch Development configuration software, design database, the issue of web website.Band conveyor signal is carried out to system-computed, analysis and statistics, finally by graphic interface, be presented on webpage.By local area network, realize Office Network remote access, for further accomplishing quantitative analysis, adding up and carried out basis.Have and improve operating efficiency, effectively reduce spreading and leak material amount, ensure production safety, improve the good effect of economic results in society.
Claims (1)
1. an ore ship-unloading system flow monitoring and control setup, it is characterized in that, comprise LOAD CELLS (1), treater, transport module (8) ,PLC main website, Central Control Room controller (4), wireless communication networks, power circuit (5), vibra feeder, ship unloaders PLC(2) and the unit room telltale (3) of unloading a ship; LOAD CELLS is arranged on band conveyor, is connected in the input port of treater, and treater utilizes it with RS485 interface, and by transport module, realizes the communication of YuPLC main website; PLC main website is connected with the input end of Central Control Room controller by optical cable; Described wireless communication networks comprises wireless telecommunications transmitter (6) and wireless communication receiver (7), and wireless telecommunications transmitter is connected in the output port of Central Control Room controller, and wireless communication receiver is connected in the input end of ship unloaders PLC; Ship unloaders PLC is connected with the control end of vibra feeder frequency converter; Power circuit provides power supply for whole device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458371.5U CN203428571U (en) | 2013-07-30 | 2013-07-30 | Flow monitoring and control device for ore ship-unloading system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320458371.5U CN203428571U (en) | 2013-07-30 | 2013-07-30 | Flow monitoring and control device for ore ship-unloading system |
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| CN203428571U true CN203428571U (en) | 2014-02-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395639A (en) * | 2013-07-30 | 2013-11-20 | 李国清 | Device and method for monitoring and controlling flow of ore unshipping system |
| CN107161718A (en) * | 2017-06-09 | 2017-09-15 | 首钢京唐钢铁联合有限责任公司 | A kind of traveling windrow system |
| CN110239968A (en) * | 2019-06-21 | 2019-09-17 | 中冶赛迪重庆信息技术有限公司 | A kind of the flow real-time control method and system of scraper reclaimer |
| CN114516552A (en) * | 2022-03-10 | 2022-05-20 | 江苏祥瑞港机设备有限公司 | Automatic environment-friendly control system for telescopic luffing ship loader |
-
2013
- 2013-07-30 CN CN201320458371.5U patent/CN203428571U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395639A (en) * | 2013-07-30 | 2013-11-20 | 李国清 | Device and method for monitoring and controlling flow of ore unshipping system |
| CN107161718A (en) * | 2017-06-09 | 2017-09-15 | 首钢京唐钢铁联合有限责任公司 | A kind of traveling windrow system |
| CN107161718B (en) * | 2017-06-09 | 2019-11-29 | 首钢京唐钢铁联合有限责任公司 | A kind of traveling windrow system |
| CN110239968A (en) * | 2019-06-21 | 2019-09-17 | 中冶赛迪重庆信息技术有限公司 | A kind of the flow real-time control method and system of scraper reclaimer |
| CN114516552A (en) * | 2022-03-10 | 2022-05-20 | 江苏祥瑞港机设备有限公司 | Automatic environment-friendly control system for telescopic luffing ship loader |
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Granted publication date: 20140212 Termination date: 20140730 |
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