CN103662722A - Coal blending system and process - Google Patents
Coal blending system and process Download PDFInfo
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- CN103662722A CN103662722A CN201310673302.0A CN201310673302A CN103662722A CN 103662722 A CN103662722 A CN 103662722A CN 201310673302 A CN201310673302 A CN 201310673302A CN 103662722 A CN103662722 A CN 103662722A
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Abstract
The invention discloses a coal blending system and process. The coal blending system comprises a transport vehicle, a vehicle guide mechanism, a weighing mechanism, a plurality of feeding mechanisms, a transfer mechanism and a monitoring mechanism. The transport vehicle is used for transporting coal, the vehicle guide mechanism is used for guiding the transport vehicle to unload, the weighing mechanism is used for metering the mass of the coal transported by the transport vehicle, the feeding mechanisms are used for receiving the coal transported by the transport vehicle and controlling the feeding process, the transfer mechanism is used for transferring the coal fed by the feeding mechanisms, and the monitoring mechanism is used for commanding and monitoring the whole system to operate. The transport vehicle is matched with the feeding mechanisms, the feeding mechanisms are connected with the transfer mechanism, and the monitoring mechanism is electrically connected with the weighing mechanism, the feeding mechanisms and the vehicle guide mechanism. According to the coal blending system and process, under automatic intelligent control and whole-process monitoring of the monitoring mechanism, full-automatic operation of the whole coal blending system is achieved. In addition, the vehicle guide mechanism can automatically command the transport vehicle to transport the specific coal to corresponding positions without on-scene command of people, and therefore labor cost is saved.
Description
Technical field
The present invention relates to coal-blending device technical field, particularly relate to a kind of Coal Blending System and technique.
Background technology
Mainly there is following several shortcoming in existing Coal Blending System: the employing that 1, present Coal Blending System has be the mode of execute-in-place, with artificial deallocation coal, not only wasted human and material resources, financial resources, and production efficiency is very low, also easily there is artificial error.2, existing Coal Blending System be directly by several different coals by car fortune after, directly put together with stirring, this coal blending mode is feed accurately, more cannot guarantee the quality of coal blending.3, existing Coal Blending System is to carry out coal supply by the belt feeder of weighing, and directly carries out entrucking after being transported to a belt feeder, and this coal blending mode does not mix different coal, cannot guarantee whole coal blending quality.4, existing Coal Blending System is not fused together weighbridge system, and there is no vehicle guidance mechanism yet.
Specifically, existing Coal Blending System mainly contains three kinds:
The first, place coal blending, utilizes the stream machines such as bulldozer, and hybrid reactor is joined.The shortcoming of this class Coal Blending System is, coal blending is inhomogeneous, and productive output is little;
The second, bucket wheel machine coal blending, the shortcoming of this class Coal Blending System is, and coal blending is very inhomogeneous, and hardware requirement is high, more difficultly realizes the coal blending of many coals;
The third, silo coal blending, the advantage of this class Coal Blending System is, coal blending precision is high, but investment is too large, and floor area is too large.
Summary of the invention
For the weak point existing in above-mentioned technology, the invention provides a kind of vehicle guidance function that has, can realize by monitor control mechanism Coal Blending System and the technique of remote monitor and control coal blending process.
For achieving the above object, the invention provides a kind of Coal Blending System, comprise transport trolley for transporting coal charge, for guiding the vehicle guidance mechanism of transport trolley discharging, for measuring the Weighing mechanism, a plurality of for receiving the coal charge of transport trolley transportation and controlling the feeder of feed process, the transshipment acitivity of transporting for the coal charge that feeder is provided and for commanding and monitor the monitor control mechanism of whole system operation of transport trolley transportation coal charge quality; Transport trolley coordinates with feeder, and feeder is connected with transshipment acitivity; Described monitor control mechanism is electrically connected to Weighing mechanism, feeder, vehicle guidance mechanism respectively.
Wherein, described each feeder includes the car formula of crossing hopper for receiving transport trolley discharging, metering feeder and for controlling the frequency converter of metering feeder delivery rate; The quarrel of the described hopper of car formula is excessively provided with the car steel grating excessively with transport trolley adaptation; Described metering feeder was positioned at car formula hopper below, and described metering feeder is electrically connected to monitor control mechanism by frequency converter.
Wherein, the described car formula hopper of crossing is provided with headwall buildup blockage-clearing device, and described headwall buildup blockage-clearing device comprises air compressor, air storage bag, air bubble, control cock, compression indicator and control cable; Described air compressor is communicated with air storage bag, and described air storage bag is communicated with air bubble, and described control cock is connected with air bubble respectively with compression indicator, and described control cock is also electrically connected to monitor control mechanism by controlling cable.
Wherein, described metering feeder is provided with belt deviation self-calibrating apparatus and the belt deviation Manual deflection regulator that can correct belt deviation, and described belt deviation self-calibrating apparatus is electrically connected to monitor control mechanism.
Wherein, described transshipment acitivity comprises main belt feeder, puddle mixer, reprinting belt feeder and the high belt feeder of throwing, and described main belt feeder is connected with metering feeder on the one hand, is connected on the other hand with puddle mixer, puddle mixer is connected with reprinting belt feeder, reprints belt feeder and is connected with the high belt feeder of throwing.
Wherein, Weighing mechanism comprises electronic loadometer, vehicle brushing card machine and communicating machine; Described vehicle brushing card machine is fixed on electronic loadometer one side, and described electronic loadometer and vehicle brushing card machine are all electrically connected to monitor control mechanism by communicating machine.
Wherein, described vehicle guidance mechanism comprises guiding lamp for transport trolley being directed to car formula hopper, enters to cheat ground induction coil and go out to cheat ground induction coil; Describedly enter to cheat ground induction coil and be fixed on the route that transport trolley drove towards car formula hopper, described in go out to cheat ground induction coil and be fixed on the route that transport trolley sailed out of car formula hopper; Described guiding lamp, enter to cheat ground induction coil and go out to cheat ground induction coil and be all electrically connected to monitor control mechanism.
In addition, the present invention also provides a kind of coal blending process, comprises following step:
Step 1, is equipped with the transport trolley of coal charge through Weighing mechanism, and Weighing mechanism reads transport trolley information, and this information is sent to monitor control mechanism;
Step 2, the information of the transport trolley that monitor control mechanism reads according to Weighing mechanism, controls vehicle guidance mechanism and carries out guiding work;
Step 3, transport trolley, under the guiding function of vehicle guidance mechanism, is carried feeder by coal charge; The coal charge of different transport trolley transportations is different, and different coal charges flows to different feeders;
Step 4, under the control of monitor control mechanism, different feeders is respectively with delivery rate feed separately;
Step 5, the coal charge flowing out from different feeders, is all transported to puddle mixer by the main belt feeder of feed, and puddle mixer flows to reprinting belt feeder after different coal charges is stirred, reprint belt feeder and coal charge is flowed to the high belt feeder of throwing again, the high belt feeder of throwing is loaded coal charge or fill onto ship train.
Wherein, in step 4, when arbitrary actual flow of crossing car formula hopper is lower than setting when setting Alarm flow, the metering feeder of all participation operations stops feed immediately, and alarm, until after car formula loading hopper, monitor control mechanism is automatically controlled metering feeder and is started feed operation.
Wherein, in step 4, the coal charge having served as in car formula hopper is enough, but feed flow is when setting Alarm flow value, and monitor control mechanism starts headwall buildup blockage-clearing device automatically; As feeding coal declines without significant change continuation, the metering feeder of all participation operations stops feed immediately, and alarm.
The invention has the beneficial effects as follows: compared with prior art, Coal Blending System provided by the invention and technique, under the automatic intelligent control and complete monitoring of monitor control mechanism, realized the full-automation operation of whole Coal Blending System, realize weighbridge office person, operator, the three-in-one function of monitor, and can also effectively avoid execution error by Long-distance Control and monitoring, and reduce coal blending error, greatly improve Coal Blending System reliability of operation.In addition, the present invention is also provided with vehicle guidance mechanism transport trolley is guided, and vehicle guidance mechanism can command transport trolley that specific coal charge is sent to corresponding position automatically, no longer needs artificial on scene commander, has saved cost of labor.Coal Blending System provided by the invention, has improved reliability, stability, accuracy and the capacity rating of coal blending greatly.
Accompanying drawing explanation
Fig. 1 is the block diagram of Coal Blending System of the present invention;
Fig. 2 is the constructional drawing of metering feeder of the present invention;
Fig. 3 is the diagram of circuit of coal blending process of the present invention.
Main element nomenclature is as follows:
1, monitor control mechanism 2, feeder
21, cross car formula hopper 22, metering feeder
23, frequency converter 24, headwall buildup blockage-clearing device
3, Weighing mechanism 4, transshipment acitivity
5, vehicle guidance mechanism
The specific embodiment
In order more clearly to explain the present invention, below in conjunction with accompanying drawing, the present invention is further described.
Refer to Fig. 1-3, Coal Blending System provided by the invention, comprises transport trolley (not shown) for transporting coal charge, for guiding the vehicle guidance mechanism 5 of transport trolley discharging, for measuring the Weighing mechanism 3, a plurality of for receiving the coal charge of transport trolley transportation and controlling the feeder 2 of feed process, the transshipment acitivity 4 of transporting for the coal charge that feeder 2 is provided and for commanding and monitor the monitor control mechanism 1 of whole system operation of transport trolley transportation coal charge quality; Transport trolley coordinates with feeder 2, and feeder 2 is connected with transshipment acitivity 4; Monitor control mechanism 1 is electrically connected to Weighing mechanism 3, feeder 2, vehicle guidance mechanism 5 respectively.
Coal Blending System provided by the invention, its principle of work is as follows:
The transport trolley of coal charge is housed through Weighing mechanism 3, Weighing mechanism 3 reads transport trolley information, and this information is sent to monitor control mechanism 1; The information of the transport trolley that monitor control mechanism 1 reads according to Weighing mechanism 3, controls vehicle guidance mechanism 5 and carries out guiding work; Transport trolley, under the guiding function of vehicle guidance mechanism 5, is carried feeder 2 by coal charge, and the coal charge of different transport trolley transportations is different, and different coal charges flows to different feeder 2; Under the control of monitor control mechanism 1, different feeders 2 is respectively with delivery rate feed separately; The coal charge flowing out from different feeder 2, all loads or fills train onto ship by transshipment acitivity 4.
Compared to prior art, compare, Coal Blending System provided by the invention, under the automatic intelligent control and complete monitoring of monitor control mechanism 1, realized the full-automation operation of whole Coal Blending System, realize weighbridge office person, operator, the three-in-one function of monitor, and can also effectively avoid execution error by Long-distance Control and monitoring, and reduce coal blending error, greatly improve Coal Blending System reliability of operation.In addition, the present invention is also provided with vehicle guidance mechanism 5 transport trolley is guided, and vehicle guidance mechanism 5 can command transport trolley that specific coal charge is sent to corresponding position automatically, no longer needs artificial on scene commander, has saved cost of labor.Coal Blending System provided by the invention, has improved reliability, stability, accuracy and the capacity rating of coal blending greatly.
Coal Blending System provided by the invention, has overcome the defect of existing three kinds of Coal Blending System, has following obvious advantage:
1, reduced investment, operating cost is low, precision is high, batch is large, operating flexibility, occupation of land are little;
2, ingeniously utilize existing mature technology to be integrated, dependable performance, fault is low;
3, can realize the accurately coal blending on request of multiple coal;
4, difficulty of construction is little, and the construction period is short.
In the present embodiment, each feeder 2 includes the car formula of crossing hopper 21 for receiving transport trolley discharging, metering feeder 22 and for controlling the frequency converter 23 of metering feeder 22 delivery rates; The quarrel of crossing car formula hopper 21 be provided with transport trolley adaptation cross car steel grating; Metering feeder 22 was positioned at car formula hopper 21 belows, and metering feeder 22 is electrically connected to monitor control mechanism 1 by frequency converter 23.Transport trolley passed through car steel grating, coal charge was sent to car formula hopper 21, the coal charge of crossing in car formula hopper 21 flows to metering feeder 22 again, monitor control mechanism 1 is controlled the delivery rate of metering feeder 22 by frequency converter 23, by regulating respectively the delivery rate of different feeders, just different types of coal charge can be prepared by a certain percentage.
And metering feeder 22 can also arrange PID controller, the coarse problem of feed in the time of can solving coal blending, thus by PID, regulate the frequency of frequency converter 23 to regulate delivery rate, realize the effect of stably feeding.Generally speaking, can to make different types of coal charge mix dosage more accurate for PID controller.
In the present embodiment, cross car formula hopper 21 and be provided with headwall buildup blockage-clearing device 24, headwall buildup blockage-clearing device 24 comprises air compressor, air storage bag, air bubble, control cock, compression indicator and control cable; Air compressor is communicated with air storage bag, and air storage bag is communicated with air bubble, and control cock is connected with air bubble respectively with compression indicator, and control cock is also electrically connected to monitor control mechanism 1 by controlling cable.
The pressure gas that air compressor compacting generates is stored in air storage bag by main air supply pipe, and (air storage bag can setting pressure, and when air storage bag air pressure is less than preset pressure value, air compressor starts voluntarily, until gasbag pressure reaches setting value.) via a minute air supply pipe that is provided with check valve, enter in the storage tank of air bubble.While having served as 21 obstruction of car formula hopper, the control cock on air bubble obtains moving after signal, is communicated with storage tank and nozzle, completes once jet block clearing action.Check valve is because difference of pressure is opened voluntarily, and the gas in air storage bag enters in storage tank again, waits for the action of block clearing next time.
In the present embodiment, metering feeder 22 is provided with belt deviation self-calibrating apparatus and the belt deviation Manual deflection regulator that can correct belt deviation, and belt deviation self-calibrating apparatus is electrically connected to monitor control mechanism 1.Metering feeder 22 is provided with measuring belt, and the discharging opening of crossing car formula hopper 21 is aimed at the line of centers of this measuring belt, must not occur the phenomenon of putty, spreading when guaranteeing work.When measuring belt sideslip, can carry out also can manually adjusting, also can be proofreaied and correct voluntarily by monitor control mechanism 1.
In the present embodiment, transshipment acitivity 4 comprises main belt feeder, puddle mixer, reprinting belt feeder and the high belt feeder of throwing, and main belt feeder is connected with metering feeder 22 on the one hand, is connected on the other hand with puddle mixer, puddle mixer is connected with reprinting belt feeder, reprints belt feeder and is connected with the high belt feeder of throwing.
Rear end at main belt feeder is provided with puddle mixer, different types of coal charge that different feeders are carried is introduced into puddle mixer, puddle mixer stirs mixing coal charge, and the coal charge mixing continues to transport again, therefore can guarantee that different types of coal charge can realize even mixing in course of conveying.
Specifically, transshipment acitivity 4 of the present invention has two kinds of methods of shipment:
The first, by a flow process of transshipment acitivity 4 interlockings, transports with 14# belt feeder.After 14# belt feeder starts, by transshipment acitivity 4, load or fill the coal preparing onto ship train, transshipment acitivity 4 operations need to meet the following conditions, and " 14# belt feeder moves; And spacing the putting in place of reversing ", the normal place in operation of transshipment acitivity 4 now.The boot sequence of equipment is " high belt feeder → reprinting belt feeder → puddle mixer → main belt feeder → feeder of throwing "; After Coal Blending System finishes, the order that stops of equipment is " feeder → main belt feeder → puddle mixer → reprinting belt feeder → height is thrown belt feeder ".When starting interlocking 1# flow process, if when 14# belt feeder et out of order is shut down, whole transshipment acitivity 4 all stops, and prevents 14# belt feeder buildup phenomenon.While having device fails in transshipment acitivity 4, the equipment above of et out of order equipment is not shut down, and buildup problem, appears in the equipment downtime below of et out of order equipment while preventing device fails.
The second, by No. two flow processs of transshipment acitivity 4 interlockings, transports with automobile.When the coal preparing is transported with automobile, transshipment acitivity 4 operation need to meet following condition: the reversion of inversion belt machine is not in place, and rotation belt feeder throws belt feeder by height and rotate on vacant lot, now the normal place in operation of transshipment acitivity 4.The boot sequence of equipment is " high belt feeder → reprinting belt feeder → main belt feeder → puddle mixer → feeder of throwing; After Coal Blending System finishes, the order that stops of Coal Blending System is " feeder → main belt feeder → puddle mixer → reprinting belt feeder → height is thrown belt feeder ".While having device fails in transshipment acitivity 4, the equipment above of et out of order equipment is not shut down, and buildup problem, appears in the equipment downtime below of et out of order equipment while preventing device fails.
In the present embodiment, Weighing mechanism 3 comprises electronic loadometer, vehicle brushing card machine and communicating machine; Vehicle brushing card machine is fixed on electronic loadometer one side, and electronic loadometer and vehicle brushing card machine are all electrically connected to monitor control mechanism 1 by communicating machine.
Electronic loadometer is used for weighing, and vehicle brushing card machine is used for reading information of vehicles, realizes the communication between electronic loadometer, vehicle brushing card machine and monitor control mechanism 1 during communicating machine.Vehicle brushing card machine is arranged on by electronic loadometer, at car, crosses before electronic loadometer weighs, just can easily swipe the card.Certainly, this belongs to a specific embodiment of the present invention, and the fixed position of vehicle brushing card machine of the present invention is not limited in this, also can be fixed on other positions, as long as can, before transport trolley is crossed electronic loadometer, can swipe the card on vehicle brushing card machine.
In the present embodiment, vehicle guidance mechanism 5 comprises guiding lamp for transport trolley being directed to car formula hopper 21, enters to cheat ground induction coil and go out to cheat ground induction coil; Enter to cheat ground induction coil and be fixed on the route that transport trolley drove towards car formula hopper 21, go out to cheat ground induction coil and be fixed on the route that transport trolley sailed out of car formula hopper 21; Guiding lamp, enter to cheat ground induction coil and go out to cheat ground induction coil and be all electrically connected to monitor control mechanism 1.
The principle of work of casehistory vehicle guidance of the present invention mechanism 5 below, in the present embodiment, Coal Blending System has three metering feeders, 22 structures 2; Corresponding three metering feeder 22 structures 2, this Coal Blending System has number one to cross car formula hopper 21, cross car formula hopper 21 and cross car formula hopper 21 for No. three for No. second; This Coal Blending System and technique also have the first metering feeder 22, the second metering feeder 22 and the 3rd metering feeder 22.
It is example that the number one of take is crossed car formula hopper 21, and when vehicle is swiped the card by electronic loadometer, monitor control mechanism 1 can show the license plate number of the transport trolley that this weighs automatically; Automatically reading the information in card and judging this car is that number one is crossed car formula hopper 21, it is bright that number one is crossed the green guide lamp including same of car formula hopper 21, after preserving after electronic loadometer calculates the net weight of this vehicle and by data, system can read the net weight of this vehicle automatically, the net weight of this vehicle that weighs is added to number one and crosses on the weighbridge accumulative total tonnage of car formula hopper 21.
After lower pound of vehicle, vehicle is crossed at number one under the guide of car formula hopper 21 guiding lamps and is advanced, when vehicle be pressed onto number one cross car formula hopper 21 enter to cheat ground induction coil time, at this moment number one is crossed the license number of this car of " charging " indicated number of car formula hopper 21, the guiding lamp that number one is crossed car formula hopper 21 extinguishes, and 30% of vehicle cargo net weight is added in A hopper tonnage simultaneously.This vehicle is crossed car formula hopper 21 to number one, if this vehicle is after lower pound a period of time, the ground induction coil that number one is crossed car formula hopper 21 vehicle do not detected and electronic loadometer does not have vehicle again to pass through, the ground induction coil of No. second mistake car formula hopper 21 or No. three mistake car formula hopper 21 has detected vehicle, system judges that this vehicle does not go number one to cross car formula hopper 21, but removed to cross for No. second car formula hopper 21 or crossed car formula hopper 21 for No. three, system can be exported a sound and light alarm, reminds staff's vehicle to enter Cuo Keng.
When entering number one, this car crosses car formula hopper 21, after material is all put into number one and is crossed car formula hopper 21, and when vehicle process goes out to cheat ground induction coil, by 70% of this car goods net weight, be added to number one and cross in the tonnage of car formula hopper 21, " discharging " that simultaneously in monitor control mechanism 1 page, number one is crossed car formula hopper 21 shows that this goes out to cheat the license plate number of vehicle.When this car is after discharging, " in the way " of monitor control mechanism 1 can show that this car is in fortune coal way.
Cross car formula hopper 21 for No. second and cross the guide process of car formula hopper 21 for No. three, to cross car formula hopper 21 identical with number one.
In addition, the present invention also provides a kind of coal blending process, comprises following step:
Step 1, is equipped with the transport trolley of coal charge through Weighing mechanism 3, and Weighing mechanism 3 reads transport trolley information, and this information is sent to monitor control mechanism 1; Step 2, the information of the transport trolley that monitor control mechanism 1 reads according to Weighing mechanism 3, controls vehicle guidance mechanism 5 and carries out guiding work; Step 3, transport trolley, under the guiding function of vehicle guidance mechanism 5, is carried feeder 2 by coal charge; The coal charge of different transport trolley transportations is different, and different coal charges flows to different feeder 2; Step 4, under the control of monitor control mechanism 1, different feeders 2 is respectively with delivery rate feed separately; Step 5, the coal charge flowing out from different feeder 2, all by the main belt feeder of feed, be transported to puddle mixer, puddle mixer flows to reprinting belt feeder after different coal charges is stirred, reprint belt feeder and coal charge is flowed to the high belt feeder of throwing again, the high belt feeder of throwing is loaded coal charge or fill onto ship train.
Compared to prior art, coal blending process provided by the invention, sets up dumping car approach guidance system, realizes dumping car and unloads single coal of planting and automatically guide; Set up coal blending acquisition control system, realize Automatic coal blending and manually coal blending; Set up and control command echelon, remote monitor and control coal blending process, realizes weighbridge office person, operator, the three-in-one function of monitor.Improve reliability, stability, accuracy and the capacity rating of coal blending.
Coal blending process provided by the invention, in step 4, when arbitrary actual flow of crossing car formula hopper 21 is lower than setting when setting Alarm flow, the metering feeder 22 of all participation operations stops feed immediately, and alarm, until after car formula hopper 21 charging, monitor control mechanism 1 is automatically controlled metering feeder 22 and is started feed operations.And, served as the coal charge that car formula crosses in car formula hopper 21 enough, but feed flow is when setting Alarm flow value, monitor control mechanism 1 starts headwall buildup blockage-clearing device 24 automatically; As feeding coal declines without significant change continuation, the metering feeder 22 of all participation operations stops feed immediately, and alarm.
For guaranteeing coal blending precision, coal blending process provided by the invention, also has warning function, and the principle of work of warning is as follows:
When any actual flow of crossing car formula hopper 21 is when setting the certain proportion value of flow, be defined as and stop flow set, the metering belt feeder of all participation operations stops feed alarm immediately, wait lacking, expected after car formula hopper 21 material material, system starts feed operation automatically, stop flow set for setting between the 20%-80% of flow, by operator, set as requested.Served as the enough but feed flow of car formula hopper 21 material stock amounts when setting warning value; automatically start headwall buildup blockage-clearing device 24; if feeding coal is without significant change and continue to drop to while setting critical value, three metering feeders 22 are shut down simultaneously, and send alarm message.
Coal blending process provided by the invention, by warning is set, can guarantee whole coal blending flow process, safe, stable, reliable, intelligent carrying out.
Disclosed is above only several specific embodiment of the present invention, but the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. a Coal Blending System, it is characterized in that, comprise transport trolley for transporting coal charge, for guiding the vehicle guidance mechanism of transport trolley discharging, for measuring the Weighing mechanism, a plurality of for receiving the coal charge of transport trolley transportation and controlling the feeder of feed process, the transshipment acitivity of transporting for the coal charge that feeder is provided and for commanding and monitor the monitor control mechanism of whole system operation of transport trolley transportation coal charge quality; Described transport trolley coordinates with feeder, and described feeder is connected with transshipment acitivity; Described monitor control mechanism is electrically connected to Weighing mechanism, feeder, vehicle guidance mechanism respectively.
2. Coal Blending System according to claim 1, is characterized in that, described each feeder includes the car formula of crossing hopper for receiving transport trolley discharging, metering feeder and for controlling the frequency converter of metering feeder delivery rate; The quarrel of the described hopper of car formula is excessively provided with the car steel grating excessively with transport trolley adaptation; Described metering feeder was positioned at car formula hopper below, and described metering feeder is electrically connected to monitor control mechanism by frequency converter.
3. Coal Blending System according to claim 2, is characterized in that, the described car formula hopper of crossing is provided with headwall buildup blockage-clearing device, and described headwall buildup blockage-clearing device comprises air compressor, air storage bag, air bubble, control cock, compression indicator and control cable; Described air compressor is communicated with air storage bag, and described air storage bag is communicated with air bubble, and described control cock is connected with air bubble respectively with compression indicator, and described control cock is also electrically connected to monitor control mechanism by controlling cable.
4. Coal Blending System according to claim 2, is characterized in that, described metering feeder is provided with belt deviation self-calibrating apparatus and the belt deviation Manual deflection regulator that can correct belt deviation, and described belt deviation self-calibrating apparatus is electrically connected to monitor control mechanism.
5. Coal Blending System according to claim 2, it is characterized in that, described transshipment acitivity comprises main belt feeder, puddle mixer, reprinting belt feeder and the high belt feeder of throwing, described main belt feeder is connected with metering feeder on the one hand, be connected with puddle mixer on the other hand, puddle mixer is connected with reprinting belt feeder, reprints belt feeder and is connected with the high belt feeder of throwing.
6. Coal Blending System according to claim 1, is characterized in that, Weighing mechanism comprises electronic loadometer, vehicle brushing card machine and communicating machine; Described vehicle brushing card machine is fixed on electronic loadometer one side, and described electronic loadometer and vehicle brushing card machine are all electrically connected to monitor control mechanism by communicating machine.
7. Coal Blending System according to claim 2, is characterized in that, described vehicle guidance mechanism comprises guiding lamp for transport trolley being directed to car formula hopper, enters to cheat ground induction coil and go out to cheat ground induction coil; Describedly enter to cheat ground induction coil and be fixed on the route that transport trolley drove towards car formula hopper, described in go out to cheat ground induction coil and be fixed on the route that transport trolley sailed out of car formula hopper; Described guiding lamp, enter to cheat ground induction coil and go out to cheat ground induction coil and be all electrically connected to monitor control mechanism.
8. a coal blending process, is characterized in that, comprises following step:
Step 1, is equipped with the transport trolley of coal charge through Weighing mechanism, and Weighing mechanism reads transport trolley information, and this information is sent to monitor control mechanism;
Step 2, the information of the transport trolley that monitor control mechanism reads according to Weighing mechanism, controls vehicle guidance mechanism and carries out guiding work;
Step 3, transport trolley, under the guiding function of vehicle guidance mechanism, is carried feeder by coal charge; The coal charge of different transport trolley transportations is different, and different coal charges flows to different feeders;
Step 4, under the control of monitor control mechanism, different feeders is respectively with delivery rate feed separately;
Step 5, the coal charge flowing out from different feeders, is all transported to puddle mixer by the main belt feeder of feed, and puddle mixer flows to reprinting belt feeder after different coal charges is stirred, reprint belt feeder and coal charge is flowed to the high belt feeder of throwing again, the high belt feeder of throwing is loaded coal charge or fill onto ship train.
9. coal blending process according to claim 8, it is characterized in that, in step 4, when arbitrary actual flow of crossing car formula hopper is lower than setting when setting Alarm flow, the metering feeder of all participation operations stops feed immediately, and alarm, until after car formula loading hopper, monitor control mechanism is automatically controlled metering feeder and is started feed operation.
10. coal blending process according to claim 8, is characterized in that, in step 4, the coal charge having served as in car formula hopper is enough, but feed flow is when setting Alarm flow value, and monitor control mechanism starts headwall buildup blockage-clearing device automatically; As feeding coal declines without significant change continuation, the metering feeder of all participation operations stops feed immediately, and alarm.
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| CN104698204A (en) * | 2014-11-18 | 2015-06-10 | 赛摩电气股份有限公司 | Automatic coal quality analysis sample weighing device and working method thereof |
| CN106115284A (en) * | 2016-08-08 | 2016-11-16 | 长沙惠工智能科技股份有限公司 | A kind of powder feeding system and charging method |
| CN110032139A (en) * | 2019-05-10 | 2019-07-19 | 北京沄汇智能科技有限公司 | A kind of intelligent storage and coal blending control method and system |
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| CN104698204A (en) * | 2014-11-18 | 2015-06-10 | 赛摩电气股份有限公司 | Automatic coal quality analysis sample weighing device and working method thereof |
| CN106115284A (en) * | 2016-08-08 | 2016-11-16 | 长沙惠工智能科技股份有限公司 | A kind of powder feeding system and charging method |
| CN106115284B (en) * | 2016-08-08 | 2018-12-18 | 长沙惠工智能科技股份有限公司 | A kind of powder feeding system and charging method |
| CN110032139A (en) * | 2019-05-10 | 2019-07-19 | 北京沄汇智能科技有限公司 | A kind of intelligent storage and coal blending control method and system |
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| CN103662722B (en) | 2017-01-18 |
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