CN203275962U - Centralized control system for long-distance pipeline coal conveying head end station - Google Patents
Centralized control system for long-distance pipeline coal conveying head end station Download PDFInfo
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- CN203275962U CN203275962U CN201320130641XU CN201320130641U CN203275962U CN 203275962 U CN203275962 U CN 203275962U CN 201320130641X U CN201320130641X U CN 201320130641XU CN 201320130641 U CN201320130641 U CN 201320130641U CN 203275962 U CN203275962 U CN 203275962U
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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
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a centralized control system for a long-distance pipeline coal conveying head end station. The control range of the system comprises transferring points 1, 2, a slurring coal storage bunker, a crushing plant, a slurrying plant, a belt conveyor in a slurrying mill, a brake, a chute electro-hydraulic actuator gate, a feeding machine, an electric bulkhead gate, an electronic scale, an online ash instrument, a distributing device, a fine crusher, a rod mill, a dust remover, a safe screen, a pump, an electric brake and the like in such two processes as coal conveying and slurrying. A built-in control system of seven rod mills in the slurrying plant can meet requirements of starting, stopping, monitoring, regulating, alarming, interlocking and the like. The centralized control system mainly has the characteristics that a centralized distributed control structure is adopted, remote monitoring is carried out through two industrial control computers, centralized control on the overall head end coal conveying and slurrying system is realized, and real-time communication with a main control center can be completed through an SDH optical fiber transmission channel. The centralized control system disclosed by the utility model is widely applied to long-distance pipeline transportation industries.
Description
Technical field
The utility model belongs to the industrial automation management domain, is specifically related to the defeated coal head end of long-distance pipe station centralized control system.
Background technology
The industrial automation administrative skill began to be quoted by the state such as French, Polish in the sixties in last century.Since 2000, this technology is also introduced the enterprise management of coal industry system of China gradually.But, control for the system that introduces convey coal pipe, in China's beyond example also.
Summary of the invention
The purpose of this utility model is to provide a kind of defeated coal head end of long-distance pipe station centralized control system that can satisfy defeated coal and slurrying needs for the pipeline coal transporting head end.
the utility model is that the technical scheme that the technical solution problem adopts is: the defeated coal head end of a kind of long-distance pipe station centralized control system comprises defeated coal and 2 process procedures of slurrying, the utility model special character is that the slurrying control system is by slip house PLC master cabinet, sub-control room, No. 1 I/O cabinet of slip house PLC, No. 2 I/O cabinets of slip house PLC, No. 3 I/O cabinets of slip house PLC, No. 4 I/O cabinets of slip house PLC, No. 5 I/O cabinets of slip house PLC, No. 1 I/O cabinet of slurrying surge bunker PLC, No. 2 I/O cabinets of the slurrying surge bunker 6kV PLC of electric substation, the network printer, defeated coal slurrying engineer station, defeated coal slurrying operator station forms, the network printer (10) in described sub-control room (2), defeated coal slurrying engineer station (11), defeated coal slurrying operator station (12) are connected with Control Logix-01, Control Logix-02 in slip house PLC master cabinet (1) by Ethernet EtherNet respectively, Control Logix-01 in described slip house PLC master cabinet (1), RIO-1 in No. 1 I/O cabinet of Control Logix-02 and slip house PLC (3), RIO-2, RIO-3, RIO-4 in No. 2 I/O cabinets of slip house PLC (4), RIO-5, RIO-6, RIO-7 in No. 3 I/O cabinets of slip house PLC (5), RIO-8, RIO-9, RIO-10 in No. 4 I/O cabinets of slip house PLC (6), RIO-11, RIO-12, RIO-13 in No. 5 I/O cabinets of slip house PLC (7), RIO-14, RIO-15 in No. 1 I/O cabinet of slurrying surge bunker PLC (8), RIO-16, RIO-17, RIO-18 in No. 2 I/O cabinets of slurrying surge bunker PLC (9), RIO-19, RIO-20 is connected in parallel and controls net ControlNet(13) on.
The utility model compared with prior art has simple in structurely, easy to install and use, and automaticity is high, and defeated coal slurrying divides the control 1 cover ControlLogix1756 redundancy-type PLC that the station arranges, and adopts the collecting and distributing type control structure.In slip house electric substation, the PLC controlling center is set, in surge bunker electric substation, the PLC remote I/O station is set.2 computer realization remote monitoring by No. 1 pumping plant pulpit have realized the centralized control to the defeated coal of whole head end and pulping system, and can complete real-time Communication for Power with Master Control Center by the SDH optical fiber transport channel.Any equipment all can be realized stopping in emergency on the spot by the self-locking scram button.Be widely used in the long-distance pipe carrier.
Description of drawings
Fig. 1 is PLC system architecture schematic block diagram of the present utility model.
Embodiment
Accompanying drawing is embodiment of the present utility model.
Below in conjunction with drawings and Examples, the utility model content is described further:
with reference to shown in Figure 1, the defeated coal head end of a kind of long-distance pipe station centralized control system, the range of control of this system comprises defeated coal and 2 process procedures of slurrying, described slurrying control system is by slip house PLC master cabinet, sub-control room, No. 1 I/O cabinet of slip house PLC, No. 2 I/O cabinets of slip house PLC, No. 3 I/O cabinets of slip house PLC, No. 4 I/O cabinets of slip house PLC, No. 5 I/O cabinets of slip house PLC, No. 1 I/O cabinet of slurrying surge bunker PLC, No. 2 I/O cabinets of the slurrying surge bunker 6kV PLC of electric substation, the network printer, defeated coal slurrying engineer station, defeated coal slurrying operator station forms, the network printer (10) in described sub-control room (2), defeated coal slurrying engineer station (11), defeated coal slurrying operator station (12) are connected with Control Logix-01, Control Logix-02 in slip house PLC master cabinet (1) by Ethernet EtherNet respectively, Control Logix-01 in described slip house PLC master cabinet (1), RIO-1 in No. 1 I/O cabinet of Control Logix-02 and slip house PLC (3), RIO-2, RIO-3, RIO-4 in No. 2 I/O cabinets of slip house PLC (4), RIO-5, RIO-6, RIO-7 in No. 3 I/O cabinets of slip house PLC (5), RIO-8, RIO-9, RIO-10 in No. 4 I/O cabinets of slip house PLC (6), RIO-11, RIO-12, RIO-13 in No. 5 I/O cabinets of slip house PLC (7), RIO-14, RIO-15 in No. 1 I/O cabinet of slurrying surge bunker PLC (8), RIO-16, RIO-17, RIO-18 in No. 2 I/O cabinets of slurrying surge bunker PLC (9), RIO-19, RIO-20 is connected in parallel and controls net ControlNet(13) on.
The control method of the defeated coal head end of a kind of long-distance pipe station centralized control system, carry out in the steps below:
(1), in coal handling system is controlled, process equipment from No. 1 transfer point to the slurrying coal store storehouse, carrying out interlock logic by the order that opens car, the parking of contrary coal stream along coal stream controls, in the time of can realizing that certain equipment breaks down, faulty equipment to each equipment of coal source stops immediately, the trouble spot is along the equipment of coal flow path direction delayed shutdown, and any equipment all can be realized stopping in emergency on the spot by the self-locking scram button.
(2), in the on off control of pulping system, the boot sequence of coal-supply system is that stopping procedure is the opposite sequence of boot sequence from the batcher sequence starting successively to pulp mill, the lower end coal bunker of upper end blending bunker conveyor; Coal mill system be from safe screen to the sequence starting of surge bunker gate, and stopping procedure is all the opposite sequence of boot sequence.
(3), in the coal slurry grain size distribution of pulping system is controlled, according to the sampling of rod mill and slurry can discharging, by adjusting the feeding coal of batcher, reach and adjust the purpose that the coal grade is joined.
(4), in the coal-water fluid concentration of pulping system is controlled, by the quantity delivered of batcher, feed pump, pump grinding machine, moisturizing volume pump and the joint control interlock of concentration testing result online, the concentration of assurance coal slurry.
Embodiment 1
The control of coal handling system: to the slurrying coal store, all devices is by opening car along coal stream from No. 1 transfer point, and the order that contrary coal stream stops is carried out interlock logic and controlled.Control system provides the interlock protection of equipment, and namely when certain device fails, this equipment to each equipment of coal source stops immediately, and flows down the equipment delayed shutdown of trip along coal.All devices all can be realized stopping in emergency on the spot.
Embodiment 2
The control of pulping system:
1) come coal measures system start and stop order: boot sequence is batcher under measuring belt → pulp mill's coal bunker under Distribution Warehouse conveyor → slurrying conveyor → fine crusher → distributing device → mixed coal distribution conveyor → crushing plant conveyor → storehouse, and stopping procedure is the opposite sequence of boot sequence;
2) coal mill system start and stop order: boot sequence is safe screen → rod mill → batcher and feed pump → surge bunker gate, and stopping procedure is similarly the opposite sequence into boot sequence;
Start and stop principle when 3) system is switched is first to start new system, after close down original system;
4) the coal slurry grain size distribution is controlled, and is the analysis result according to rod mill and the sampling of slurry can discharging opening, the feeding coal of real-time adjustment batcher, thus reach the purpose that grain composition is controlled at acceptability limit;
5) the control principle of coal-water fluid concentration is, realizes the joint control interlock of quantity delivered and the online concentration testing result of batcher, feed pump, rod mill, moisturizing volume pump, thereby guarantees the concentration requirement of slurry;
6) the high-low-position level-sensing device of smalls surge bunker and warning device and the control of coal handling system collection interlock;
7) for controlling slurry can, returning the slurry tank and cushion the high-low-position liquid level gauge of starching tank coal slurry liquid level and interlock with pan feeding valve and bleeder valve respectively, slurry can and buffering are starched tank and are provided with densimeter and flowmeter, and slurry can is provided with temperature monitor;
8) pulp mill comes the electrical equipment of coal measures system, coal mill system and coal slurry stocking system all to include centralized control system in.
Embodiment 3
Defeated coal slurrying divides the control 1 cover ControlLogix1756 redundancy-type PLC that the station arranges, and adopts the collecting and distributing type control structure.In slip house electric substation, the PLC controlling center is set, in surge bunker electric substation, the PLC remote I/O station is set.By 2 computer realization remote monitoring of No. 1 pumping plant pulpit, complete the centralized control of head end system, and contact by SDH optical fiber transport channel and Master Control Center.
Claims (1)
1. the defeated coal head end of long-distance pipe station centralized control system, the range of control of this system comprises defeated coal and 2 process procedures of slurrying, it is characterized in that the slurrying control system is by slip house PLC master cabinet, sub-control room, No. 1 I/O cabinet of slip house PLC, No. 2 I/O cabinets of slip house PLC, No. 3 I/O cabinets of slip house PLC, No. 4 I/O cabinets of slip house PLC, No. 5 I/O cabinets of slip house PLC, No. 1 I/O cabinet of slurrying surge bunker PLC, No. 2 I/O cabinets of the slurrying surge bunker 6kV PLC of electric substation, the network printer, defeated coal slurrying engineer station, defeated coal slurrying operator station forms, the network printer (10) in described sub-control room (2), defeated coal slurrying engineer station (11), defeated coal slurrying operator station (12) are connected with Control Logix-01, Control Logix-02 in slip house PLC master cabinet (1) by Ethernet EtherNet respectively, Control Logix-01 in described slip house PLC master cabinet (1), RIO-1 in No. 1 I/O cabinet of Control Logix-02 and slip house PLC (3), RIO-2, RIO-3, RIO-4 in No. 2 I/O cabinets of slip house PLC (4), RIO-5, RIO-6, RIO-7 in No. 3 I/O cabinets of slip house PLC (5), RIO-8, RIO-9, RIO-10 in No. 4 I/O cabinets of slip house PLC (6), RIO-11, RIO-12, RIO-13 in No. 5 I/O cabinets of slip house PLC (7), RIO-14, RIO-15 in No. 1 I/O cabinet of slurrying surge bunker PLC (8), RIO-16, RIO-17, RIO-18 in No. 2 I/O cabinets of slurrying surge bunker PLC (9), RIO-19, RIO-20 is connected in parallel and controls net ControlNet(13) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320130641XU CN203275962U (en) | 2013-03-21 | 2013-03-21 | Centralized control system for long-distance pipeline coal conveying head end station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320130641XU CN203275962U (en) | 2013-03-21 | 2013-03-21 | Centralized control system for long-distance pipeline coal conveying head end station |
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| CN203275962U true CN203275962U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320130641XU Expired - Fee Related CN203275962U (en) | 2013-03-21 | 2013-03-21 | Centralized control system for long-distance pipeline coal conveying head end station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336488A (en) * | 2013-03-21 | 2013-10-02 | 中煤科工集团武汉设计研究院 | Centralized control system for long-distance pipeline coal conveying head end station |
| CN106241411A (en) * | 2016-08-18 | 2016-12-21 | 武汉同力智能系统股份有限公司 | A kind of optimization method of Power Plant Bunker Automatic coal blending |
-
2013
- 2013-03-21 CN CN201320130641XU patent/CN203275962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336488A (en) * | 2013-03-21 | 2013-10-02 | 中煤科工集团武汉设计研究院 | Centralized control system for long-distance pipeline coal conveying head end station |
| CN106241411A (en) * | 2016-08-18 | 2016-12-21 | 武汉同力智能系统股份有限公司 | A kind of optimization method of Power Plant Bunker Automatic coal blending |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442 Patentee after: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Address before: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442 Patentee before: Wuhan Design and Research Institute of China Coal Technology & Engineering Group |
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| TR01 | Transfer of patent right |
Effective date of registration: 20151130 Address after: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442 Patentee after: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Patentee after: Shaanxi Shenwei Coal Pipeline Transportation Co.,Ltd. Address before: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442 Patentee before: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20170321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |