CN104495414A - Mass flow multi-coal rapid storehouse feeding system and method for multiple buffer storehouses - Google Patents
Mass flow multi-coal rapid storehouse feeding system and method for multiple buffer storehouses Download PDFInfo
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- CN104495414A CN104495414A CN201410749711.9A CN201410749711A CN104495414A CN 104495414 A CN104495414 A CN 104495414A CN 201410749711 A CN201410749711 A CN 201410749711A CN 104495414 A CN104495414 A CN 104495414A
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- belt feeder
- loading
- loading station
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2814/00—Indexing codes relating to loading or unloading articles or bulk materials
- B65G2814/03—Loading or unloading means
- B65G2814/0301—General arrangements
- B65G2814/0302—Central control devices
Abstract
The invention relates to a mass flow multi-coal rapid storehouse feeding system and a mass flow multi-coal rapid storehouse feeding method for multiple buffer storehouses. The system comprises a plurality of product storehouses with discharging gates and loading stations of which the quantity is same as that of the product storehouses, wherein a belt conveyor, of which the length exceeds 500 meters, is arranged between the product storehouses and the loading stations; a material sensor for monitoring materials is arranged on the belt conveyor; a material distribution device with an electrically-controlled distribution function is arranged between the belt conveyor and each loading station; the discharging gates of the product storehouses, a power device of the conveyor belt, the material distribution devices and the material sensor are electrically connected with a central control device. By utilizing the characteristic of the long-distance belt conveyor, different types of materials can be stacked on the belt conveyor; a neutral gear space is reserved among the materials, and the different types of materials are distributed into different loading stations by virtue of the material distribution device during unloading; the loading/unloading problem of various types of different materials is solved by utilizing the long-distance travelling belt conveyor, so that the construction investment of the long-distance belt conveyor is greatly reduced.
Description
Technical field
The present invention relates to the quick Distribution Warehouse system and method for the many coals of a kind of many surge bunkers large discharge, is a kind of transportation resources of solid material, is a kind of system of multiple loading station formation and the method for multi items distribution material.
Background technology
Traditional loading station normally unit uses, and namely a loading station is used alone, and for using the entrucking of various materials, often needs multiple independent loading station.The mode of this multiple independent loading station dispensing different cultivars material has certain defect.When material treatment plant is to brow close together, material can by the not oversize belt feeder transport of length, because be independent loading station, each loading station can be equipped with oneself band conveyor.If material treatment plant distance brow is comparatively far away, then the problem of transporting is just more outstanding.If each loading station is equipped with a long distance belt feeder, its cost is unacceptable.Because with regard to belt feeder itself, short-range belt feeder cost is not high, but along with the increase belt feeder of distance cost can fast speed increase.So under the traffic condition of longer distance, each loading station is equipped with a belt feeder, and unrealistic.How using a belt feeder and the dispensing that realizes multiple loading station, is a problem needing to solve.
Summary of the invention
In order to overcome the problem of prior art, the present invention proposes the quick Distribution Warehouse system and method for the many coals of a kind of many surge bunkers large discharge.Described system uses the belt feeder of a long distance to carry the material of multiple kind, by a set of distribution device, the material of different cultivars is put into respectively the surge bunker of different loading stations, achieve a belt feeder multi items conveying.
The object of the present invention is achieved like this: the quick Distribution Warehouse system of the many coals of a kind of many surge bunkers large discharge, comprise: multiple product storehouse with discharge gate, with multiple loading station, the belt feeder of a length more than 150 meters is provided with between described product storehouse and loading station, described belt feeder is provided with the Material Sensor of monitoring material, be provided with the material distribution device of automatically controlled distribution between described belt feeder and each loading station, the discharge gate in described product storehouse, the engine installation of belt feeder, material distribution device, Material Sensor are electrically connected with central control unit.
Further, the engine installation of described belt feeder is infinite speed variation engine installation.
Further, described material distribution device is the scrapper conveyor driven by stepless change engine installation, described scrapper conveyor is provided with the discharging opening equal with loading station quantity, described discharging opening is provided with batching gate, and engine installation, the batching gate of described scrapper conveyor are electrically connected with central control unit.
Further, the discharging opening of described belt feeder is provided with two fork chute, is provided with two scrapper conveyors below described two fork chutes.
Further, described Material Sensor is the shock transducer being arranged on belt feeder exit.
Further, the sensor of detection material filling level is set in the surge bunker of described loading station.
Further, the sensor of described detection material filling level is the one in LOAD CELLS or radar detector.
Use the quick Distribution Warehouse method of the many coals of many surge bunkers large discharge of said system, the step of described method is as follows:
The process of charging:
Detect the step of loading queue: central control unit checks the loaded-up condition in each product storehouse according to charger sheet, and form loading queue according to the preparation in each product storehouse;
Start the step of windrow: according to the sequence of loading queue, open the discharge gate loading in queue the product storehouse of putting that makes number one, pour on belt feeder by the material in primary importance product storehouse, record is opened;
Terminate the step of windrow: the running velocity of adjustment belt feeder, makes material spread uniformly on belt feeder, when material reaches load measurement, close the discharge gate in primary importance product storehouse, record is closed, and forms a pile material, and records the ordering of material on belt feeder;
The step that discharging pauses: the running velocity of adjustment belt feeder, belt feeder runs a period of time, makes to form interval between bank, gets back to " detecting the step of loading queue " simultaneously and enters next loading cycle;
The process of discharging:
Detect the step of material ordering on belt feeder: central control unit, according to open record, closedown record and ordering record, judges loading station belt feeder come corresponding to the bank of foremost;
Start the step of preparing burden: Material Sensor receives material when starting to tilt to enter material distribution device, central control unit, according to charger sheet, starts material distribution device, is assigned to by material in corresponding loading station;
Terminate the step of batching: after the material on belt feeder tilts, Material Sensor does not receive the signal that material tilts, then notify central control unit, material tilts complete, central control unit closes material distribution device, central control unit leaves out this heap material in the position of loading in queue, ordering first, gets back to " step detecting material ordering on belt feeder " simultaneously, enters next discharging circulation.
The beneficial effect that the present invention produces is: the present invention utilizes the feature of long distance belt feeder, the material of different cultivars is stacked at belt feeder, the interval being convenient to recognize is set at the storeroom of different cultivars, material distribution device is passed through when discharging, the material of different cultivars is assigned in different loading stations, utilize a long-distance transportation belt feeder to solve the handling problem of various different material, greatly reduce the construction investment of long distance belt feeder.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the principle schematic of system described in embodiments of the invention one;
Fig. 2 is the principle schematic of two scrapper conveyors described in embodiments of the invention three;
The diagram of circuit of method described in Fig. 3 embodiments of the invention six.
Detailed description of the invention
Embodiment one:
The present embodiment is the quick Distribution Warehouse system of the many coals of a kind of many surge bunkers large discharge, as shown in Figure 1.The present embodiment comprises: multiplely only depict 4 product storehouses with in product storehouse 1(Fig. 1 of discharge gate, actual can also have more), and only depict 4 loading stations in multiple loading station 5(Fig. 1, actual can also have more.The quantity of loading station can be identical with product storehouse, also can be different), the belt feeder 2 of a length more than 150 meters is provided with between described product storehouse and loading station, described belt feeder is provided with the Material Sensor 3 of monitoring material, be provided with the material distribution device 4 of automatically controlled distribution between described belt feeder and each loading station, the discharge gate in described product storehouse, the engine installation of belt feeder, material distribution device, Material Sensor are electrically connected with central control unit.
Product storehouse described in the present embodiment is a kind of cylindrical shape storage tank that can store great amount of cost loose unpacked material, and this storage tank can store hundreds of tons of finished product materials usually.The bottom of finished bin is provided with discharge gate, on the belt feeder utilizing gravity that loose unpacked material is come down in torrents below automatically.
Loading station described in the present embodiment is the standard loading station with surge bunker and weighing cabin, and the electric-control system of these loading stations, as the lower computer of the central control unit in the present embodiment, controls the loading of this loading station, metering.Product storehouse to the batching of loading station, its quantity be one roughly, without the need to very accurate, the amount of the bank therefore on belt feeder also only needs general amount.And real accurate metering also needs to carry out on loading station.Due to the change often genuine automobile loading station of multi items, and the variety variations of train loading station is relatively less, therefore, the loading station described in the present embodiment mainly for be automobile loading station.But this can not illustrate, the present embodiment, only for automobile loading station, also can be applied on train loading station.
The quantity in product storehouse is usually identical with the quantity of loading station, but in some special cases, the quantity in product storehouse can be greater than loading station, or is less than loading station.
Described belt feeder is a kind of machinery growing distance motion.Long distance belt feeder described here refers to the short range belt feeder within than general tens meters.This long distance belt feeder needs larger power usually, and needs multiple transmission to drive the belt movement of long distance, and the intensity of certain used belt also requires higher.In a word, the investment of long distance belt feeder is higher than general short range belt feeder.Therefore, when long distance belt-conveying, the simple multiple stage belt feeder that uses transports, and its cost is often difficult to accept.Therefore, the present embodiment adopts a long distance belt feeder to prepare burden to multiple loading station simultaneously, and utilize the feature of long distance belt feeder distance, during material on belt feeder loads, different material kinds is separated with interval, with this, separate various different material kind, realizing a belt feeder is the different material of each different loading station packing.
For realizing the different loading station of a belt feeder packing, the operation of belt feeder can adopt converter plant to carry out power control, namely can adopt different belt speeds in belt feeder transportation.The change of belt speed has multiple benefit.First can control the height of bank, if it is higher to wish that bank obtains, the speed of belt can be turned down, otherwise, heighten the speed of belt.Because belt speed is adjustable, belt feeder inherently has buffer action, namely can wait for the handling of material as required, or accelerates the handling of material.
Due to the universal use of frequency control power device, the belt Distribution Warehouse of this long distance of the present embodiment is transported and is achieved.If, use the belt transporter of traditional fixed speed, the target that the present embodiment will realize is with so also realizing, but the selectivity of the piling height of its material on belt is smaller, can only by the control realization of product warehouse discharging gate, but had frequency control, this can adjust the height of bank in a wider context.
The effect of described Material Sensor detects material to come down in torrents situation, and special detection is interval between material, and the key effect distinguishing material is played at this interval.Material Sensor can have various ways, can be shock transducer, also can be ultrasonic transduter, or other photoelectric sensors etc.
Described material distribution device can have various ways, can be the scrapper conveyor with multiple discharging opening, or multiple fork discharging opening chutes etc.Use the scrapper conveyor with frequency control power device to compare to have superiority.Because frequency control power device can adjust the running velocity of scrapper conveyor, make scrapper conveyor originally be have certain buffer action, this point is very important in the transport of solid material.The flowing power of solid material is different from liquid, and the speed of normal conditions current downflow is subject to the impact of external factor comparatively greatly, and its flowing velocity is determined in very difficult calculating, therefore, needs certain flowing leeway in course of conveying.And the equipment of scrapper conveyor and so on just in time can play the effect in buffering leeway.
Material distribution device must automatically controlled distribution.This point is very important, and the distribution of material must under the control of central control unit.If use scrapper conveyor, need on scrapper conveyor, design multiple automatically controlled gate, aim at the surge bunker import of respective loading station respectively.
Material can use scrapper conveyor respectively.Can arrange two, even more scrapper conveyor, object is the surge bunker entered in loading station making material dispersion.Because solid material is when piling up, formed conical, use multiple scrapper conveyor can destroy this taper shape and pile up, make solid accumulation even, this is equivalent to the capacity increasing surge bunker.
The sensor of detection material filling level can also be set respectively in the surge bunker of each loading station, material filling level in real-time monitoring surge bunker, once find that the material in that surge bunker is reduced to a certain degree, namely central control unit is notified, supplement material, or find that certain surge bunker is filled, then stop, to this surge bunker feed, realizing the monitoring to surge bunker material.This is equivalent to, with the most closed loop control for target of the material in surge bunker, make the operation of whole system more reasonable.
The sensor of detection material filling level can be LOAD CELLS, namely arranges in surge bunker and is similar to the such weighing system of weighing cabin, measure the filling level of surge bunker by weight.Or use radar detector, detects the height of materials in surge bunker, measures the filling level of surge bunker by weight.The method of many similar detection material filling levels and sensor can also be had to use.
Central control unit described in the present embodiment, being a kind of device possessing storage and digital operating ability, can be the digital processing systems such as industrial control computer, embedded system, Industrial PC.
Embodiment two:
The present embodiment is the improvement of embodiment one, is the refinement of embodiment one about material distribution device.The engine installation of the belt feeder described in the present embodiment is infinite speed variation engine installation.
The engine installation of infinite speed variation can make material have more selection in the accumulation size of belt feeder.When needing solid accumulation higher, the speed of belt feeder through finished bin discharge gate can be turned down, otherwise, when requiring that bank is lower, then turn down speed.
Another benefit using infinite speed variation can find that the surge bunker of each loading station almost all wants at full load, can turn down the speed of belt feeder, instead of stop the running of belt feeder.Under case of heavy load, low-speed running is restarted energy-conservation than shutdown.
Embodiment three:
The present embodiment is the improvement of above-described embodiment, is the refinement of above-described embodiment about material distribution device.Material distribution device described in the present embodiment is the scrapper conveyor driven by stepless change engine installation, described scrapper conveyor is provided with the discharging opening equal with loading station quantity, described discharging opening is provided with batching gate, and engine installation, the batching gate of described scrapper conveyor are electrically connected with central control unit.
The present embodiment is the scrapper conveyor of multiple discharging opening, each discharging opening has batching gate, and by the control of gate of preparing burden, the difference that can realize material exports.
Scrapper conveyor engine installation uses frequency control, and the process control that central control unit can be made to flow in the entire system to material is more flexible, adjusts convenient.
Embodiment four:
The present embodiment is the improvement of embodiment three, is the refinement of embodiment three about belt feeder.The discharging opening of the belt feeder described in the present embodiment is provided with two fork chute 403, is provided with two scrapper conveyors 401,402, as shown in Figure 2 below described two fork chutes.
Use two scrapper conveyors, on the one hand can dispersed material, avoid material to pile up in surge bunker for conical, reduce capacity, another aspect can make material in transport process, leave the more berth, plays certain buffer action.
Embodiment five:
The present embodiment is the improvement of above-described embodiment, is the refinement of above-described embodiment about Material Sensor.Material Sensor described in the present embodiment is the shock transducer being arranged on belt feeder exit.
Material Sensor described in the present embodiment arranges belt feeder exit, and namely material flows out the position of belt feeder, on that position, has material to flow out, will shock transducer, generation output signal.But sometimes also due to the irregularity that material is stacked, possible material is instantaneous can be interrupted, but will soon recover, in this case, even if sensor have issued the signal that material is interrupted, central control unit also can not think that material has been carried complete.Therefore, whether this signal is interrupted for material, under normal circumstances, threshold value is set, to prevent the judgement of mistake.
Embodiment six:
The present embodiment is the improvement of above-described embodiment, is the refinement of above-described embodiment about loading station.The sensor of detection material filling level is set in the surge bunker of the loading station described in the present embodiment.
The sensor of detection material filling level can be the sensor of LOAD CELLS, radar detector, opto-electronic pickup or other types.
Embodiment seven:
The present embodiment is the improvement of embodiment six, is the refinement of embodiment six about the sensor of detection material filling level.The sensor of the detection material filling level described in the present embodiment is the one in LOAD CELLS or radar detector.
The surge bunker of loading station does not install LOAD CELLS under normal circumstances, but in order to detect the filling level in surge bunker, also can install on surge bunker and be similar to the such weighing system of weighing cabin, situation is filled in surge bunker for detecting, but such weighing system is without the need to accurate especially, therefore, can service precision lower, cheap LOAD CELLS.
Radar detector is that one generally uses, cheap, detects sensor accurately.Radar detector can be arranged on the top of surge bunker, is detected height of materials below by the electromagnetic wave returned after sending, the height of materials in real time in monitoring surge bunker.
Embodiment eight:
The present embodiment is a kind of quick Distribution Warehouse method of the many coals of many surge bunkers large discharge using system described in above-described embodiment, and flow process as shown in Figure 3.The present embodiment comprises charging and discharging two processes.The main thought of the present embodiment is: the material stacking different cultivars on the belt feeder of long distance, between the material of different cultivars, arrange neutral gear, utilizes these neutral gears as the mark of different material.Detect these neutral gears with sensor, identify the different material piled up according to record, send into different loading stations respectively.
The blending process of the present embodiment is actual is described as step sequence circular batching mode, alternately three kinds of situations such as batching mode and the preferential batching mode of low material level.
Step sequence circular batching mode is from by a loading station, install the first loading station, the second loading station, the 3rd loading station ... order, at the same time successively to belt feeder surface thereof material, material distribution device opens batching gate at the same time successively, Distribution Warehouse is entered successively, until all loading station surge bunkers send material high signal after bank to material distribution device.This situation is uncommon, only when the surge bunker of all loading stations is all vacant, just there will be.
Be more replace batching mode, that is: as required alternately batching carried out to the surge bunker of each different loading station, such as: the system having four product storehouses and four loading stations, as shown in Figure 1.Material in 10 tons of No. 3 finished bin to be put into No. 2 loading stations, the material in 30 tons of No. 2 finished bin be put into No. 4 loading stations, the material in 15 tons of No. 1 finished bin is put into No. 3 loading stations, the material in 22 tons of No. 4 finished bin is put into No. 1 loading station.Then first open the discharge gate of No. 3 finished bin, first 10 tons of materials in No. 3 finished bin are deposited on belt feeder, as the first heap material.Certain interval of time, makes belt feeder to leave the first neutral gear that a section does not have material.Open the discharge gate of No. 2 finished bin again, make 30 tons of banks in No. 2 finished bin be placed on belt feeder, as the second heap material.Open the discharge gate of No. 1 finished bin again, make 15 tons of banks in No. 1 finished bin be placed on belt feeder, as the 3rd heap material.Certain interval of time, makes belt feeder to leave the second neutral gear that a section does not have material.Open the discharge gate of No. 4 finished bin again, make 22 tons of banks in No. 4 finished bin be placed on belt feeder, as the 4th heap material.Certain interval of time, makes belt feeder to leave the 3rd neutral gear that a section does not have material.When the first heap streams goes out belt feeder time, material impact Material Sensor, central processing unit learns that the first heap material has started to enter in material distribution device, as requested, then open batching gate corresponding with No. 2 loading stations in material distribution device, make the first heap material enter No. 2 loading stations smoothly.When the first heap material flows out belt feeder completely, due to neutral gear below, Material Sensor is not at the signal receiving material inflow, then central control unit thinks that the first heap material has entered in material distribution device completely, after a period of time, close batching gate material distribution device corresponding to No. 2 loading stations.Second heap material starts to flow out belt feeder subsequently, at this moment Material Sensor have received the signal that the second heap streams goes out, then central control unit is according to record, opens batching gate corresponding with No. 4 loading stations in material distribution device, the second heap material is sent into No. 4 loading stations.The rest may be inferred by analogy, and the 3rd heap, the 4th heap material are sent into No. 3 loading stations and No. 1 loading station respectively.This is a very complicated process, needs to dispatch accurately, and controller, sensor, each equipment close fit.This kind of mode is also that described in the present embodiment, the emphasis of method describes process.
The preferential batching mode of low material level is actual is the branching process of alternately preparing burden.The preferential batching mode of low material refers in entrucking process, if the surge bunker of a loading station sends material low level signal, then show that this loading station needs to increase material, central control unit by the work stopping current circular batching or alternately join, and is remembered.The preferential loading station sending material low level signal at first of giving is prepared burden, after eliminating this material low level signal, again second is sent to the loading station batching of material low level signal, until all material status signal is all eliminated, then get back to original circular batching according to the original memory logic stored or replace in the working cycle of batching.Certainly after also having all exactly loading stations of a kind of situation all to occur that signal filled by material, central controller auto-stop.
Each batching mode is all the time schedule control by opening product storehouse, opens and closes the discharge gate of finished bin at reasonable time, ensures that streams not of the same race on belt feeder loads corresponding loading station, realizes material flow fragmented storage on belt feeder.By material distribution device, segmentation material is discharged in loading station again.For ensureing Distribution Warehouse efficiency, the distance between different material stream section need be shortened as far as possible, but because streams section is accelerated in belt feeder exit, too short streams spacing will cause and mutually mix in material distribution device, therefore must control stockpile spacing on belt feeder.
When alternately batching mode and the preferential batching mode of low material level run, it is longer that loading stockpile length compares step sequence circular batching mode, by the identification to material volume in loading station surge bunker, Distribution Warehouse amount is comprehensively determined to follow-up being housed to after stockpile is estimated, by controlling the feed time of finished bin discharge gate, and the running velocity of frequency control belt feeder, realize stockpile cut to lengthen, meet the loading of the preferential batching mode of material low level.
Described in the present embodiment, the concrete steps of method are as follows:
The process of charging:
Detect the step of loading queue: central control unit checks the loaded-up condition in each product storehouse according to charger sheet, and form loading queue according to the preparation in each product storehouse.Central control unit in normal operation, constantly to detect loaded-up condition and the charger sheet in each product storehouse, check that whether store the material variety that charger sheet needs has enough amounts in affiliated product storehouse, if enough, is then arranged in this product storehouse and loads in queue.Sensor can also be set in the surge bunker of loading station, supplies consumption situation in the surge bunker of monitoring entrucking, once occur lacking material, then notify that central control unit is prepared burden.This is equivalent to a kind of close-loop control mode.That is: whole transport and batching, except according to except the material situation in charger sheet and finished bin, also prepares burden according to the material situation of loading station surge bunker, can reach effect of better preparing burden.
Start the step of windrow: according to the sequence of loading queue, open the discharge gate loading in queue the product storehouse of putting that makes number one, pour on belt feeder by the material in primary importance product storehouse, record is opened.When discharge gate is opened, the number of times of unlatching should be recorded.When discharge gate is opened, mean the head of bank, when the head of bank being detected, just thinking that material reaches, and notifying central control unit, central control unit then can judge the ordering of this heap material in belt feeder according to record.
Terminate the step of windrow: the running velocity of adjustment belt feeder, makes material spread uniformly on belt feeder, when material reaches load measurement, close the discharge gate in primary importance product storehouse, record is closed, and forms a pile material, and records the ordering of material on belt feeder.Material is in tilting procedure, and because material kind is different, the speed of its flowing is also not quite similar, and for making material stack on belt feeder evenly, the position avoided is stacked too much, and some positions are stacked not enough.What close record display is the ending of bank, can think that this heap material has loaded complete according to this record central control unit.The record of ordering is very important, this record declaration position of material on belt feeder, the position relationship mainly between adjacent several bank, with charger sheet one_to_one corresponding, avoids mistake of preparing burden.
The step that discharging pauses: the running velocity of adjustment belt feeder, belt feeder runs a period of time, makes to form interval between bank, gets back to " detecting the step of loading queue " simultaneously and enters next loading cycle.
The process of discharging:
Detect the step of material ordering on belt feeder: central control unit, according to open record, closedown record and ordering record, judges loading station belt feeder come corresponding to the bank of foremost.Bank finally will pour on that loading station, needs to judge, owing to having obvious neutral gear between each bank, central processing unit can be made to recognize, and each bank belongs to that kind on charger sheet and object of feeding.Therefore, central processing unit, in a upper bank comes down in torrents process or after completing, utilizes the of short duration period of the neutral gear this between two banks to judge the corresponding situation of material and loading station.This of short duration time gives the condition that central processing unit judges.Therefore, two materials between neutral gear must be fairly obvious, central control unit just can be made successfully to judge.
Start the step of preparing burden: Material Sensor receives material when starting to tilt to enter material distribution device, central control unit, according to charger sheet, starts material distribution device, is assigned in corresponding loading station by material.When the bank on belt feeder starts to tilt to enter material distribution device time, Material Sensor receives the signal that material enters, then this signal is sent to central control unit, central control unit starts material distribution device immediately according to charger sheet, make it open corresponding batching gate, material enters corresponding loading station.
Terminate the step of batching: after the material on belt feeder tilts, Material Sensor does not receive the signal that material tilts, then notify central control unit, material tilts complete, central control unit closes material distribution device, central control unit leaves out this heap material in the position of loading in queue, ordering first, gets back to " step detecting material ordering on belt feeder " simultaneously, enters next discharging circulation.Bank is after belt feeder surface thereof, and Material Sensor is not continuing the signal receiving material, then to think that material has tilted complete for central processing unit.Here the neutral gear between bank is by playing critical effect.Because there is neutral gear, so central processing unit can recognize that this heap material has been stacked complete, a series of action be carried out.First, close in material distribution device, corresponding batching gate.Close of course not at once, but determine according to the situation of coming down in torrents of material in material distribution device.Once confirm that material has come down in torrents completely in material distribution device, then close batching gate.Control setup also will delete the bank loading in queue and be arranged in first, and the first heap material on the belt feeder of record.Because these two first become history, bank below should become first, and this deletion is very important, so that central control unit carries out lineup, avoid making a mistake.
Finally it should be noted that, below only in order to technical scheme of the present invention to be described and unrestricted, although with reference to preferred arrangement scheme to invention has been detailed description, those of ordinary skill in the art is to be understood that, can technical scheme of the present invention (sequencing of such as belt feeder with the joining relation between finished bin and loading station, step, the process etc. of monitor and forecast) be modified or be equal to and replace, and not depart from the spirit and scope of technical solution of the present invention.
Claims (8)
1. the quick Distribution Warehouse system of the many coals of surge bunker large discharge more than a kind, comprise: multiple product storehouse with discharge gate, with multiple loading station, it is characterized in that, the belt feeder of a length more than 150 meters is provided with between described product storehouse and loading station, described belt feeder is provided with the Material Sensor of monitoring material, be provided with the material distribution device of automatically controlled distribution between described belt feeder and each loading station, the discharge gate in described product storehouse, the engine installation of belt feeder, material distribution device, Material Sensor are electrically connected with central control unit.
2. system according to claim 1, is characterized in that, the engine installation of described belt feeder is infinite speed variation engine installation.
3. system according to claim 1 and 2, it is characterized in that, described material distribution device is the scrapper conveyor driven by stepless change engine installation, described scrapper conveyor is provided with the discharging opening equal with loading station quantity, described discharging opening is provided with batching gate, and engine installation, the batching gate of described scrapper conveyor are electrically connected with central control unit.
4. system according to claim 3, is characterized in that, the discharging opening of described belt feeder is provided with two fork chute, is provided with two scrapper conveyors below described two fork chutes.
5. system according to claim 1, is characterized in that, described Material Sensor is the shock transducer being arranged on belt feeder exit.
6. system according to claim 1, is characterized in that, arranges the sensor of detection material filling level in the surge bunker of described loading station.
7. system according to claim 6, is characterized in that, the sensor of described detection material filling level is the one in LOAD CELLS or radar detector.
8. use the quick Distribution Warehouse method of the many coals of many surge bunkers large discharge of system described in claim 1, it is characterized in that, the step of described method is as follows:
The process of charging:
Detect the step of loading queue: central control unit checks the loaded-up condition in each product storehouse according to charger sheet, and form loading queue according to the preparation in each product storehouse;
Start the step of windrow: according to the sequence of loading queue, open the discharge gate loading in queue the product storehouse of putting that makes number one, pour on belt feeder by the material in primary importance product storehouse, record is opened;
Terminate the step of windrow: the running velocity of adjustment belt feeder, makes material spread uniformly on belt feeder, when material reaches load measurement, close the discharge gate in primary importance product storehouse, record is closed, and forms a pile material, and records the ordering of material on belt feeder;
The step that discharging pauses: the running velocity of adjustment belt feeder, belt feeder runs a period of time, makes to form interval between bank, gets back to " detecting the step of loading queue " simultaneously and enters next loading cycle;
The process of discharging:
Detect the step of material ordering on belt feeder: central control unit, according to open record, closedown record and ordering record, judges loading station belt feeder come corresponding to the bank of foremost;
Start the step of preparing burden: Material Sensor receives material when starting to tilt to enter material distribution device, central control unit, according to charger sheet, starts material distribution device, is assigned to by material in corresponding loading station;
Terminate the step of batching: after the material on belt feeder tilts, Material Sensor does not receive the signal that material tilts, then notify central control unit, material tilts complete, central control unit closes material distribution device, central control unit leaves out this heap material in the position of loading in queue, ordering first, gets back to " step detecting material ordering on belt feeder " simultaneously, enters next discharging circulation.
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