CN103449138A - Downstream coal flow time delay sequence start-up method for centralized control conveyors - Google Patents
Downstream coal flow time delay sequence start-up method for centralized control conveyors Download PDFInfo
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- CN103449138A CN103449138A CN201310397749XA CN201310397749A CN103449138A CN 103449138 A CN103449138 A CN 103449138A CN 201310397749X A CN201310397749X A CN 201310397749XA CN 201310397749 A CN201310397749 A CN 201310397749A CN 103449138 A CN103449138 A CN 103449138A
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Abstract
The invention provides a downstream coal flow time delay sequence start-up method for centralized control conveyors. A plurality of conveyors are adjacently arranged end to end, and a central computer centralizedly controls the sequential conveying of coal flow of each conveyor in a downstream coal flow time delay sequence control way. The coal flow is conveyed by downstream coal flow sequence start-up, i.e., each conveyor is started up only when the coal flow reaches to the tail, so that the idle time of the conveyor is greatly shortened, the electric energy is saved, the wear and tear of the conveyor is reduced, and meanwhile, the production and maintenance costs are greatly saved.
Description
Technical field
A kind of order cycling start method while the present invention relates to centralized control conveyer along the coal curtain coating.
Background technology
At present, in the mine district transport, extensively adopt the conveyer operation, carriage comprises belt conveyer and apron conveyer.Because driving surface is longer to the exploiting field distance, therefore often adopt by a series of conveyer work compounds, conveyer reaches 10 more than sometimes, is referred to as the exploiting field transport systems.Each conveyer in whole transport systems, can control separately (for example manually divide on the spot platform control), but also centralized control (for example by a driver, controlling whole transport systems).
Manually divide on the spot the platform control that control is every conveyer by a driver operation, this is the most original a kind of mode.This mode is the master cock of every driver's direct control conveyer, operates the simplyst, and also, without increasing any control components and parts, maintenance workload is less.Yet the personnel that this mode needs are extremely many, and often have the individual difference on technical quality and ideological quality between personnel, easily impact is produced and is normally carried out.Therefore, unless transportation range is very short or specific (special) requirements arranged, currently generally do not adopted this mode.
Common control system be the most colliery a kind of mode of generally adopting.This mode is newly-increased a set of centralized controlling device on whole lane of traffic, in large tunnel loading point centralized operation, by a driver, at loading point, handles whole conveyers.This mode not only can be saved a large amount of driver personnel, even also for discovery fault, shortening parking period and the comprehensive production automation, created condition.
The centralized control of conveyer has the interlock protection function, that is, and and when a certain conveyer stops, to the chain shutdown of the conveyer of its coal supply.Cycling start while usually adopting contrary coal curtain coating, delay time approximately can be about 10 seconds, saw Fig. 1.Fig. 1 illustrates in prior art the schematic diagram of order cycling start when conveyer adopts contrary coal curtain coating.As shown in Figure 1, under the online centralized control in the ground maneuvers chamber of many conveyers (shown in figure three, generally be no more than eight).In three conveyers, from driving surface farthest, away from two conveyers are inferior from driving surface, last section conveyer is nearest from driving surface for the stem conveyer.When with manual mode, starting the stem conveyer, through time delay after 10 seconds two conveyers automatically start, then through time delay after 10 seconds last section conveyer automatically start.After end section conveyer works well, driving surface starts to produce coal.Again through after a while, the coal that working surface production goes out flows to and reaches last section conveyer tail, when coal stream is transported to head from the tail of last section conveyer, two conveyers start relay and carry coal stream, the like, when two conveyers are transported to head by coal stream from tail, stem conveyer relay is again carried coal stream.
As can be seen from the above description, this process can cause the long-time idle running of each conveyer, and for example, when last section conveyer fortune coal, stem conveyer and two conveyers are just in idle running.For example, suppose that every is carried captain's 5000m, conveyer fortune band face velocity is 2.5 meter per seconds, the coal stream time from the tail to the head is 5 minutes, from the stem conveyer, starts to start to coal stream and starts to arrive the time t1=(10+10+10+5 * 60+5000/2.5) that last section carries head/60=40 minute.In like manner, coal flows to and reaches stem to carry tail institute elapsed time be t2=(10+10+10+5 * 60+5000/2.5+5000/2.5)/60=72 minute.Obviously, within above-mentioned two periods, the stem conveyer is all in idling conditions.
Therefore, as above found out, when adopting contrary coal curtain coating, in the centralized control of cycling start, the race time of conveyer is very long, has wasted a large amount of electric energy, has also increased the wearing and tearing of conveyer, has increased production and maintenance cost.
Summary of the invention
The invention provides a kind of centralized control conveyer along coal curtain coating time order cycling start method, long, defects such as waste of energy is large, conveyer rapid wear of the conveyer race time that while being intended to overcome contrary coal curtain coating in prior art, order cycling start mode is brought.
Particularly, a kind of order cycling start method while the invention provides centralized control conveyer along the coal curtain coating, wherein, the adjacent setting of N platform conveyer head and the tail, N >=2, a conveyer nearest from coal-face is called the first conveyer, inferior near conveyer is called second conveyor, the like, a conveying farthest is called the N conveyer, central computer is connected to every conveyer by fiber optic communications, and described method comprises: (1) starts the first conveyer with manual mode, and the first conveyer starts the stream of the coal by coal-face production slave Caudad head is transported; (2) central computer, according to automatically the calculating coal stream with face velocity and captain and be transported to the scheduled time of head from tail of the first conveyer, is started in this scheduled time starts from the first conveyer; (3) when the tail from the first conveyer transports the described scheduled time around of coal stream to head, central computer sends the enabled instruction for second conveyor automatically, and second conveyor starts in time; (4), when second conveyor receives the coal stream next from the first conveyer transmission, second conveyor also starts coal stream is transported to head from its tail; (5) the coal stream that central computer is controlled second conveyor with the mode with identical for the first conveyer transports, in order to coal stream is delivered to next conveyer, the like, until coal stream is delivered to the N conveyer.
Preferably, one coal stream identification sensor is installed near the head of every conveyer, each coal stream identification sensor is connected to central computer by optical cable, in the time of near every conveyer is delivered to coal stream head, the existence that coal stream identification sensor will be sensed coal stream, and the induced signal that will exist about coal stream send to central computer, central computer will start in time next conveyer and accept coal stream on the horizon so that next conveyer is ready after receiving this induced signal.
Alternatively, the captain of every conveyer is 5000m, and the band face velocity is 2.5 meter per seconds.
Alternatively, coal stream identification sensor is installed in apart from the position at 200 meters of head of conveyer.
Preferably, before with manual mode, starting the first conveyer, guarantee that by inspection the zone face of all conveyers does not have coal.
The present invention adopts along the cycling start of coal stream order and transports coal stream, each conveyer only just starts when coal stream is about to arrive its tail, has greatly shortened the race time of conveyer, saves electric energy, reduce the wearing and tearing of conveyer, greatly saved production and maintenance cost simultaneously.
The accompanying drawing explanation
Fig. 1 illustrates in prior art the schematic diagram of order cycling start when conveyer adopts contrary coal curtain coating;
The schematic diagram of order cycling start when Fig. 2 illustrates according to the suitable coal curtain coating of conveyer under centralized control of the present invention;
The schematic diagram of one preferred embodiment of order cycling start when Fig. 3 illustrates according to the suitable coal curtain coating of conveyer under centralized control of the present invention.
The specific embodiment
The schematic diagram of order cycling start when Fig. 2 illustrates according to the suitable coal curtain coating of conveyer under centralized control of the present invention.As shown in Figure 2, in the centralized control conveyer sequentially plays truck system when the coal curtain coating, many conveyers arrange in turn, and from driving surface, conveyer farthest is called the stem conveyer, inferior conveyer far away is called two conveyers, and nearest conveyer is called last section conveyer from driving surface.Although it should be noted that in Fig. 2 this three conveyers only are shown, in fact, the present invention is not limited to this, also can be in turn the conveyer of other quantity even.Centralized-control center computing machine (in the ground maneuvers chamber) is connected to the traction electric machine of each conveyer by optical cable, can send thus instruction each conveyer is carried out to centralized control.
In operating process at centralized control conveyer of the present invention along the cycling start of coal curtain coating time order, at first with manual mode, start the most last section conveyer of close driving surface.Subsequently, after last section conveyer starts normally, last section conveyer will start to carry the coal (being called " initial coal stream ") by working surface production.That is to say, by the normal startup of last section conveyer, just can artificially assert that last section conveyer starts to carry initial coal stream.Now, last section conveyer starts initial coal stream to transport to head from its tail.Centralized-control center computing machine in the ground maneuvers chamber is transported to from tail the scheduled time that reaches head with face velocity and the initial coal stream of the automatic calculating of captain according to last section conveyer, in this scheduled time starts from last section conveyer, starts at.
Start at calculated elapsed time in starting from last section conveyer when central computer while approaching the scheduled time, initial coal stream on end section conveyer also will approach the head of last section conveyer, now central computer sends the enabled instruction for two conveyers automatically, two conveyers will open car in time, to prepare to accept and carry the coal stream soon passed over from last section conveyer.
For example, suppose that last section carries captain's 5000m, the speed of conveyer zone face is 2.5 meter per seconds, and computing machine estimates that arriving the head required time from the conveyer tail is 2000 seconds.Open car after 1900 seconds at last section conveyer so, central computer just can judge that coal stream approaches the head of last section conveyer, now central computer just will send the enabled instruction for two conveyers, and two conveyers will open in time car and carry out the preparation of accepting from the coal stream of last section conveyer.
Two conveyers receive the coal stream next from the conveyer transmission of last section, two conveyers also start coal stream is transported to head from its tail immediately.Similarly, central computer also will be transported to from tail the time that reaches head by coal stream to two conveyers to be estimated, after approaching the scheduled time, central computer also will send the enabled instruction for next conveyer (being shown the stem conveyer in figure), the stem conveyer will open car in time, to prepare to accept and carry the coal stream soon passed over from two conveyers.
Although it is pointed out that in figure three conveyers only are shown, be understandable that, the present invention is not limited to this, and the conveyer that also can adopt other quantity is realized the present invention by the adjacent configuration of head and the tail each other.For example, in the configuration of Fig. 2, if add a conveyer near the head of stem conveyer, on the stem conveyer, contained coal stream also can continue to this conveyer transmission so again.
The schematic diagram of one preferred embodiment of order cycling start when Fig. 3 illustrates according to the suitable coal curtain coating of conveyer under centralized control of the present invention.With Fig. 2, compare, the difference of Fig. 3 only is to install a coal stream identification sensor near the head of every conveyer, and the coal of installing for each conveyer stream identification sensor also is connected to central computer by optical cable.In the time of near every conveyer is delivered to coal stream head, sensor will be sensed the existence of coal stream, and the induced signal that will exist about coal stream send to central computer, central computer will start in time next conveyer and accept coal stream on the horizon so that next conveyer is ready after receiving this induced signal.For example, coal can be flowed to identification sensor is arranged on apart from the position at 200 meters of head of conveyer.
Preferably, before online conveyer starts along coal stream forward sequence, guarantee that by inspection the zone face of all conveyers does not have coal,, all conveyers start and start to transport the coal stream by working surface production under complete light condition, normal coal stream are transported and cause unnecessary interference avoiding.
As mentioned before, the mode of the contrary coal stream order of available technology adopting cycling start can cause many conveyers in long idling conditions.And the present invention adopts the cycling start of suitable coal stream order to transport coal stream, each conveyer only just starts when coal stream is about to arrive its tail, has greatly shortened the race time of conveyer, saves electric energy, reduce the wearing and tearing of conveyer, greatly saved production and maintenance cost simultaneously.
Those skilled in the art will also be appreciated that protection scope of the present invention is not limited in above-described embodiment, all equivalents of the present invention are all fallen within the scope of the invention.
Claims (5)
1. order cycling start method when a centralized control conveyer is along the coal curtain coating, wherein, the adjacent setting of N platform conveyer head and the tail, N >=2, a conveyer nearest from coal-face is called the first conveyer, inferior near conveyer is called second conveyor, the like, a conveying farthest is called the N conveyer, and central computer is connected to every conveyer by fiber optic communications, it is characterized in that, described method comprises:
(1) start the first conveyer with manual mode, the first conveyer starts the stream of the coal by coal-face production slave Caudad head is transported;
(2) central computer, according to automatically the calculating coal stream with face velocity and captain and be transported to the scheduled time of head from tail of the first conveyer, is started in this scheduled time starts from the first conveyer;
(3) when the tail from the first conveyer transports the described scheduled time around of coal stream to head, central computer sends the enabled instruction for second conveyor automatically, and second conveyor starts in time;
(4), when second conveyor receives the coal stream next from the first conveyer transmission, second conveyor also starts coal stream is transported to head from its tail;
(5) the coal stream that central computer is controlled second conveyor with the mode with identical for the first conveyer transports, in order to coal stream is delivered to next conveyer, the like, until coal stream is delivered to the N conveyer.
2. method according to claim 1, it is characterized in that, one coal stream identification sensor is installed near the head of every conveyer, each coal stream identification sensor is connected to central computer by optical cable, in the time of near every conveyer is delivered to coal stream head, the existence that coal stream identification sensor will be sensed coal stream, and the induced signal that will exist about coal stream send to central computer, central computer will start in time next conveyer and accept coal stream on the horizon so that next conveyer is ready after receiving this induced signal.
3. method according to claim 1, is characterized in that, the captain of every conveyer is 5000m, and the band face velocity is 2.5 meter per seconds.
4. method according to claim 2, is characterized in that, coal stream identification sensor is installed in apart from the position at 200 meters of head of conveyer.
5. according to the described method of any one in claim 1-4, it is characterized in that, before with manual mode, starting the first conveyer, guarantee that by inspection the zone face of all conveyers does not have coal.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115222A (en) * | 2016-08-25 | 2016-11-16 | 胡宏亮 | Mine shaft conveyance system is along inverse coal stream self adaptation start and stop method |
| CN107894743A (en) * | 2017-11-11 | 2018-04-10 | 贵州开磷集团股份有限公司 | The start-stop control system and control method of a kind of mine conveyer |
| CN108829075A (en) * | 2018-09-07 | 2018-11-16 | 天地（常州）自动化股份有限公司 | The cooperative control method of coal master's transporting coal stream supply line |
| CN110104408A (en) * | 2019-06-13 | 2019-08-09 | 中国神华能源股份有限公司 | For carrying out tracking and controlling method and system to the stream on belt feeder |
| CN110844517A (en) * | 2019-12-12 | 2020-02-28 | 宁夏埃德曼自动化设备有限公司 | Belt conveyor belt starting and stopping control system and control method in any sequence |
| CN111960079A (en) * | 2020-08-19 | 2020-11-20 | 龙口矿业集团有限公司 | Automatic belt starting method based on load video time three-level control |
| CN112141649A (en) * | 2020-10-12 | 2020-12-29 | 南京北路智控科技股份有限公司 | Method and equipment for controlling start and stop of mining belt conveyor along coal flow |
| CN113666077A (en) * | 2021-09-03 | 2021-11-19 | 中煤科工集团上海有限公司 | Energy-saving control device and method for belt conveyor |
| CN114237052A (en) * | 2021-12-17 | 2022-03-25 | 中煤(天津)地下工程智能研究院有限公司 | Development machine cooperative control method and system |
| CN114313771A (en) * | 2021-12-27 | 2022-04-12 | 中煤科工集团北京华宇工程有限公司 | Reverse time sequence starting control method and device for conveyor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115222A (en) * | 2016-08-25 | 2016-11-16 | 胡宏亮 | Mine shaft conveyance system is along inverse coal stream self adaptation start and stop method |
| CN107894743A (en) * | 2017-11-11 | 2018-04-10 | 贵州开磷集团股份有限公司 | The start-stop control system and control method of a kind of mine conveyer |
| CN108829075A (en) * | 2018-09-07 | 2018-11-16 | 天地（常州）自动化股份有限公司 | The cooperative control method of coal master's transporting coal stream supply line |
| CN108829075B (en) * | 2018-09-07 | 2020-04-24 | 天地（常州）自动化股份有限公司 | Cooperative control method for coal mine main coal conveying flow transportation line |
| CN110104408A (en) * | 2019-06-13 | 2019-08-09 | 中国神华能源股份有限公司 | For carrying out tracking and controlling method and system to the stream on belt feeder |
| CN110104408B (en) * | 2019-06-13 | 2022-01-18 | 中国神华能源股份有限公司 | Method and system for tracking and controlling material flow on belt conveyor |
| CN110844517A (en) * | 2019-12-12 | 2020-02-28 | 宁夏埃德曼自动化设备有限公司 | Belt conveyor belt starting and stopping control system and control method in any sequence |
| CN111960079A (en) * | 2020-08-19 | 2020-11-20 | 龙口矿业集团有限公司 | Automatic belt starting method based on load video time three-level control |
| CN112141649A (en) * | 2020-10-12 | 2020-12-29 | 南京北路智控科技股份有限公司 | Method and equipment for controlling start and stop of mining belt conveyor along coal flow |
| CN113666077A (en) * | 2021-09-03 | 2021-11-19 | 中煤科工集团上海有限公司 | Energy-saving control device and method for belt conveyor |
| CN114237052A (en) * | 2021-12-17 | 2022-03-25 | 中煤(天津)地下工程智能研究院有限公司 | Development machine cooperative control method and system |
| CN114313771A (en) * | 2021-12-27 | 2022-04-12 | 中煤科工集团北京华宇工程有限公司 | Reverse time sequence starting control method and device for conveyor |
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Application publication date: 20131218 |