CN103935752A - Ore blending system and method in slurry pipeline conveying system - Google Patents
Ore blending system and method in slurry pipeline conveying system Download PDFInfo
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Abstract
The invention provides an ore blending system and method. The ore blending system comprises a first conveying belt, a second conveying belt, a first metering device, a second metering device and a third conveying belt. The discharging end of the first conveying belt and the discharging end of the second conveying belt are located over the third conveying belt, the first metering device is arranged on the first conveying belt and used for metering ore quantity conveyed by the first conveying belt in real time, the second metering device is arragned o the second conveying belt and used for metering ore quantity conveyed by the second conveying belt in real, and the ore quantity conveyed by the first conveying belt and the ore quantity conveyed by the second conveying belt are set according to the metering values of the first metering device and the second metering device and conveyed to the third conveying belt according to the preset ore blending ratio. According to the ore blending system and method, the belt conveying system based on accurate metering is adopted, accurate matching of different regions and ore with different qualities is achieved, the ore blending cost and environmental pollution are reduced, and sustainable development of economy and environment is achieved.
Description
Technical field
The present invention relates to mineral proportion technique field, especially relate to ore blending system and the ore-proportioning method of different grade mineral in Slurry Pipeline Transportation field.
Background technology
At China's fast increasing economy, particularly metallurgical in recent years, petrochemical industry, oil, when the sustainable and stable development of the industries such as chemical fertilizer, along with the price of the energy promotes, traffic cost is more and more higher, and utilize hydraulic pipe conveying solid substance material, transport (as railway with other, highway) compare, there is transportation range short, capital expenditure is few, landform is adapted to and can utilize discrepancy in elevation potential energy, do not account for or account for less soil, free from environmental pollution and not disturbed by external condition, can realize continuous working, technology is reliable, working expenses is only railway, the plurality of advantages such as 1/6～1/10 of highway, realize economy, environment sustainable development.And utilize hydraulic pipe conveying solid substance material current application maximum be to adopt pipeline conveying mineral ore pulp, utilizing before pipeline conveying mineral ore pulp, the mineral of multiple different grades and region need to be allocated to mixing according to predetermined ratio, such as the Iron Mine amount from Yunnan is larger, need to carry ore deposit amount and the relatively low mineral of grade of coming to carry out mixing preparation by predetermined ratio with another pipeline, the process that realizes this mineral proportioning in prior art be all first by pipeline by zones of different, the mineral of different grades are transported to same stock ground, and then carry out the concrete ore deposit of joining in stock ground, along with continuing to increase of Slurry Pipeline Transportation system applies, the existing this ore deposit mode of joining has following defect: concentrate the stock ground of joining ore deposit need to stack the mineral of different grades simultaneously, required place is large, can cause larger pollution and waste simultaneously, thereby improve greatly productive costs.
Summary of the invention
The present invention is based on above-mentioned prior art problem, a kind of ore blending system of proposition and the ore-proportioning method of innovation, belt conveyor system by employing based on accurate-metering is realized the accurate proportioning of zones of different, different grade mineral, and can realize the automation of joining ore deposit process, improve mineral distributing precision, and reduced and join ore deposit cost and environmental pollution, realize the sustainable development of economy, environment.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of ore blending system, comprise the first feed belt 2, the second feed belt 7, the first metering outfit 8, the second metering outfit 9 and the 3rd feed belt 11, described the first feed belt 2 is for delivery of the mineral materials in the first source, described the second feed belt 7 is for delivery of second-source mineral materials, the discharging end of described the first feed belt 2 and the second feed belt 7 is directly over the 3rd feed belt 11, described the first metering outfit 8 is arranged at the mineral quantity transmitting through the first feed belt 2 on the first feed belt 2 and for real time measure, described the second metering outfit 9 is arranged at the mineral quantity transmitting through the second feed belt 7 on the second feed belt 7 and for real time measure, the mineral quantity that the mineral quantity transmitting through the first feed belt 2 according to the metering setting value of the first metering outfit 8 and the second metering outfit 9 and the second feed belt 7 transmit is delivered on the 3rd feed belt 11 according to predetermined ore proportioning rate.
Further according to ore blending system of the present invention, wherein also include hopper 10, described hopper 10 is arranged between the discharging end and described the 3rd feed belt 11 of described the first feed belt 2 and the second feed belt 7, the outlet at bottom of described hopper 10 is just to the 3rd feed belt 11, the open top of described hopper 10 is under described the first feed belt 2 and the second feed belt 7 discharging ends, and described hopper 10 is fallen on the 3rd feed belt 7 after the mineral materials from the first feed belt 2 and the second feed belt 7 is all mixed.
Further according to ore blending system of the present invention, wherein said the first feed belt 2 and the second feed belt 7 are in same level position, and it is right that the blanking of the first feed belt 2 and the second feed belt 7 is rectified, the outlet at bottom of described hopper 10 is just to the initial end of the transmission of the 3rd feed belt 11, described the first metering outfit 8 is specifically arranged at the belt below of the first feed belt 2 near its discharging end, and described the second metering outfit 9 is specifically arranged at the belt below of the second feed belt 7 near its discharging end.
Further according to ore blending system of the present invention, wherein also include surge bunker 5 and disk feeder 6, the direct clutch disk feeder 6 of outlet of described surge bunker 5, described disk feeder can be by the load of setting feed belt supply material downwards.
Further according to ore blending system of the present invention, wherein said surge bunker 5 and disk feeder 6 are arranged at the top of the second feed belt 7, and the discharging opening of described disk feeder 6, just to the initial end of the transmission of described the second feed belt 7, controls by described disk feeder 6 mineral quantity that falls into the second feed belt 7.
Further according to ore blending system of the present invention, wherein also include the 4th feed belt 4, the open top to described surge bunker 5 is rectified in the blanking of described the 4th feed belt 4, described the 4th feed belt 4 tops are provided with disk filter 3, and the discharging opening of disk filter 3 is aimed at the 4th feed belt 4, provides from second-source mineral materials by described disk filter 3.
Further according to ore blending system of the present invention, wherein said the first metering outfit and the second metering outfit have included LOAD CELLS, tachogenerator and data handler, described LOAD CELLS and tachogenerator are arranged at the belt below near discharging end, be respectively used to sensing belt load weight signal and belt transfer rate signal, and export data handler to, described data handler obtains by computing the mineral quantity that predetermined amount of time feed belt accumulative total is carried, described disk feeder comprises actuator, feeder body and measurement controller, by the load of described measurement controller control disk feeder.
Further according to ore blending system of the present invention, wherein also include control unit, described control unit is connected in data handler, the data handler of the second metering outfit and the measurement controller of disk feeder of the first metering outfit simultaneously, relation between the mineral quantity numerical value that described control unit is exported based on the first metering outfit and the second metering outfit and predetermined ore proportioning rate, automatically adjusts the load of described disk feeder and accurately joins ore deposit to realize.
Further according to ore blending system of the present invention, the transfer rate of wherein said the first feed belt 2 and the second feed belt 7 is constant and equal, described the first feed belt 2 tops are provided with ceramic filter 1 or disk filter 3, provide the mineral materials from the first source by described ceramic filter 1 or disk filter 3 for described the first feed belt 2.
The ore-proportioning method carrying out based on ore blending system of the present invention, comprises the following steps:
(1), according to after the load of disk feeder described in predetermined ore proportioning rate initial setting, to described the first feed belt (2) and the second feed belt (6) supply material, start the first metering outfit (8) and the second metering outfit (9) simultaneously;
(2), section reads the numerical value of the first metering outfit (8) and the second metering outfit (9) to schedule, and calculate accordingly the ore weight ratio example through the conveying of described the first feed belt (8) and the second feed belt (9);
(3), ore weight ratio that step (2) is calculated example contrasts with described predetermined ore proportioning rate, and according to comparing result execution step (4) or step (5);
(4), if the ore weight ratio calculating example conforms to described predetermined ore proportioning rate, keep standing state to complete mineral preparation;
(5) if when the ore weight ratio example calculating departs from described predetermined ore proportioning rate preset range, according to the corresponding load of adjusting described disk feeder of the situation that departs from, and repeated execution of steps (2) and (3), until complete mineral preparation according to predetermined ore proportioning rate.
At least can reach following technique effect by technical scheme of the present invention:
1), the present invention has initiated a kind of new ore blending system and the method that alternative tradition is joined ore deposit mode, belt conveyor system based on accurate-metering has been realized the accurate proportioning of different minerals, can provide the ore deposit meeting the demands grade for downstream produces, improve and joined ore deposit efficiency in Technology of Slurry Pipeline Delivery field.
2), greatly reduced the use in the place, stock ground of stacking different grades ore deposit by the solution of the present invention, and then greatly reduced waste and the environmental pollution of joining in the process of ore deposit, reduced pipeline and carried cost.
3), ore blending system of the present invention is ensureing in joining ore deposit precision to realize the automatic control of joining in the process of ore deposit, reduced human cost, realized the sustainable development of economy, environment.
Brief description of the drawings
Fig. 1 is the integral structure schematic diagram of ore blending system of the present invention.
In figure, the implication of each Reference numeral is as follows: 1-ceramic filter, 2-the first feed belt, 3-disk filter, 4-the 4th feed belt, 5-surge bunker, 6-disk feeder, 7-the second feed belt, 8-the first metering outfit, 9-the second metering outfit, 10-hopper, 11-the 3rd feed belt, 12-control unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail, so that those skilled in the art can more clearly understand the solution of the present invention, but does not therefore limit the scope of the invention.
The preferred embodiment of the present invention as shown in Figure 1, this is the preferred embodiment that carries out proportioning for two kinds of mineral, but technical scheme of the present invention can be applicable to the outfit of multi mineral simultaneously, below first by this preferred implementation of the present invention, technical scheme principle of the present invention is described.As shown in Figure 1, this preferred ore blending system entirety comprises the first feed belt 2, the 4th feed belt 4, surge bunker 5, disk feeder 6, the second feed belt 7, the first metering outfit 8, the second metering outfit 9, hopper 10, the 3rd feed belt 11 and control unit 12, described feed belt is for the transmission of mineral materials, preferred described the first feed belt 2 tops are provided with several ceramic filters 1, the first feed belt 2 is aimed in the mineral outlet of described ceramic filter, send the mineral from ceramic filter 1 by described the first feed belt 2, described the 4th feed belt 4 tops are provided with disk filter 3, the 4th feed belt 4 is aimed in the mineral outlet of described disk filter 3, send by described the 4th feed belt 4 mineral of exporting from disk filter 3, certain described disk filter is also replaceable is ceramic filter, an one of total principle is that the first feed belt and the 4th feed belt are for transmitting the mineral of separate sources or grade, why so arrange is because often adopt some ceramic filters to process larger ore deposit amount in prior art, to improve demineralization speed and to be transported in time in downstream production line, and for ore deposit amount and grade is relatively low and need and when a large amount of materials that larger ceramic filter transmits carry out proportioning, disk filter is best selection, because disk filtration speculative investment is little, be applicable to the operation mode of the few and discontinuous work in ore deposit, therefore described preferred implementation of the present invention is mainly used in the mineral from disk filter 3 to make an addition in the mineral from ceramic filter output with small scale.Under the discharging end of described the 4th feed belt 4, be provided with surge bunker 5, described surge bunker 5 is for deposit the material from disk filter temporarily, the direct clutch disk feeder 6 of outlet of described surge bunker 5, the radical function of described disk feeder be can by can set amount to other supply of equipment materials, described disk feeder 6 comprises actuator, feeder body and measurement controller, by the open and close action of described driver control disk feeder 6, material in described surge bunker 5 falls in the feeder body of described disk feeder 6, described measurement controller is for controlling the load of described disk feeder 6, wherein measure the mineral quantity of exporting through feeder body outlet at bottom with speed and then the control of belt conveyer by measurement controller control, under the outlet of described disk feeder 6, be provided with described the second feed belt 7, thereby fall into uniformly the second feed belt 7 from the material of disk feeder, the material outlet of preferred described disk feeder 6 just arranges the initial end of the transmission of described the second feed belt 7 (one end relative with discharging end).Described the first feed belt 2 and the second feed belt 7 are in same level position, and the blanking of the first feed belt 2 and the second feed belt 7 is rectified to and is co-located on directly over the opening of described hopper 10, thereby the material on described the first feed belt 2 and the second feed belt 7 is along with within the transmission of belt can all fall into described hopper 10, the outlet at bottom of described hopper 10 is just to described the 3rd feed belt 11, thereby the material that described the first feed belt 2 and the second feed belt 7 are carried falls into the 3rd feed belt 11 by the hopper 10 of its intersection, not only can will all be collected on the 3rd feed belt 11 from the material of the first feed belt 2 and the second feed belt 7 by described hopper 10, and in hopper 10, can make more even from the mixing of materials of the first feed belt 2 and the second feed belt 7, and successfully fall on the 3rd feed belt 7, the outlet at bottom of described hopper 10 preferably just arranges the initial end of the transmission of described the 3rd feed belt.On described the first feed belt 2, be provided with the first metering outfit 8, on described the second feed belt, be provided with the second metering outfit 9, the mineral quantity that described the first metering outfit 8 transmits through the first feed belt 2 for real-time metering, the mineral quantity that described the second metering outfit 9 transmits through the second feed belt 7 for real-time metering, concrete described metering outfit 8 and 9 is arranged at the lower position of corresponding feed belt, preferred described metering outfit has included LOAD CELLS, tachogenerator and data handler, described LOAD CELLS and tachogenerator are arranged at the lower surface preset distance position from corresponding feed belt, and data output end is connected in data handler, in the time that the transmission of feed belt upper surface has material, described LOAD CELLS just produces one and is proportional to the signal of belt load and exports to data handler, described tachogenerator records the transfer rate signal of corresponding belt and exports data handler to simultaneously, described data handler carves according to the transfer rate of feed belt and LOAD CELLS the weight of material signal recording at a time, predetermined long-time section is carried out to Integral Processing and can know the accumulative total mineral quantity of being carried by feed belt in described predetermined amount of time, preferred described the first metering outfit 8 and the second metering outfit 9 are all arranged at the tail end of corresponding feed belt, to reach accurate-metering through corresponding feed belt transmission and to fall into the whole materials in hopper 10, thereby the mineral quantity numerical value measuring by the first metering outfit 8 described in predetermined amount of time and the second metering outfit 9 can be informed in and in described predetermined amount of time, fall into the mineral on the 3rd feed belt 11, transmit through the first feed belt 2 transmit from the mineral of ceramic filter 1 and through the second feed belt 7 from joining ore deposit part by weight between the mineral of disk filter 3, can carry out separate sources according to predetermined ore proportioning rate based on this ratio and in conjunction with the load of described disk feeder 6, the accurate configuration of different grade mineral.Described disk feeder 6 sets load according to predetermined standard ore proportioning rate, in the time that reality departs from ideal value by the ore proportioning rate of the reading calculating of the first metering outfit and the second metering outfit, also the load of capable of regulating disk feeder 6, such as in the time that the mineral quantity proportion from the second feed belt 7 is less than normal, should suitably increase the load of disk feeder 6, thereby the second feed belt belt speed certain in the situation that by the mineral quantity increasing from the second feed belt, can make to fall into the mineral ratio preparation as required on the 3rd feed belt through this debugging repeatedly.For ease of the calculating of metering outfit, described the first feed belt 2 and preferred its transfer rate of the second feed belt 7 are constant and equal.
Concrete carry out based on ore blending system of the present invention to join ore deposit process as follows: first will input to the first feed belt 2 from the material of ceramic filter, after entering surge bunker from the material of disk filter, be supplied to the second feed belt 7 through disk feeder, start the first metering outfit 8 on the first feed belt and the second metering outfit 9 on the second feed belt and set predetermined amount of time simultaneously, falling on the 3rd feed belt after the first feed belt and the conveying of the second feed belt from the material of ceramic filter with from the material of disk filter in described predetermined amount of time, read the numerical value of described the first metering outfit 8 and the second metering outfit 9 and calculate accordingly the ore weight ratio example through described the first feed belt and the conveying of the second feed belt, this part by weight and preset standard value are contrasted, if be less than preset standard value, show that the material from disk filter of carrying by the second feed belt is on the high side, reduce the load of described disk feeder by the measurement controller control of disk feeder, then in described predetermined amount of time by ore weight ratio example after said process double counting adjustment, if be greater than preset standard value, show that the material from disk filter of carrying by the second feed belt is on the low side, increase the load of described disk feeder by the measurement controller control of disk feeder, then in described predetermined amount of time by ore weight ratio example after said process double counting adjustment, until reach the ore proportioning rate meeting the demands.
It is further the easy whole ore deposit process of joining, the transfer rate of the first feed belt as above and the second feed belt is constant and equal, described disk feeder can be according to the load setting to the second feed belt convey materials, when the mineral conveying capacity on the first feed belt knows that joining ore deposit process as described in (if the first feed belt is directly under maximum load mode of operation) can further simplify in advance, directly the mineral conveying capacity of ore proportioning rate as requested and the first feed belt calculates the conveying capacity of the second feed belt, and then control disk feeder and supply mineral according to this conveying capacity to the second feed belt, as: according to the requirement of downstream production line, mix according to 4:1 from the mineral of ceramic filter 1 with from the mineral of disk filter 3, and the first feed belt works in the state of 400 tons per hour, directly control disk feeder according to the load of 100 tons per hour to the second feed belt feed, when having while departing from, actual ratio can appropriately adjust the load of disk feeder.
The description of above preferred implementation of technical solution of the present invention being carried out, therefore the present invention is not limited, position than ceramic filter as described therein and disk filter can be exchanged, described the 4th feed belt also can save according to actual conditions, also can be as shown in disk filter if the mineral quantity that ceramic filter provides is large, surge bunker is set under it, the present invention also can realize automatic blending process by a control unit, described control unit is connected in the first metering outfit as shown by dashed lines simultaneously, the measurement controller of the second metering outfit and disk feeder, when the ore proportioning rate of the numerical calculation of control unit based on the first metering outfit and the second metering outfit has the time of departing from, automatically adjust the load of disk feeder by described measurement controller.Certain described control unit also can be controlled ore proportioning rate by the transfer rate of controlling the first feed belt and the second drive belt, because in the situation that disk feeder load is certain, the faster mineral quantity proportion on it of the second feed belt speed is larger, also can in the application of small-sized slurry pipeline stock ground, save described disk feeder in this manner, directly reach and join ore deposit object by controlling the speed of each feed belt.Above the present invention is taking the proportioning of two kinds of mineral as example; but the present invention is not as limit; can be applicable to comprise the mineral proportioning of more mineral resources simultaneously; as comprise in conplane more than three feed belt; article three, the discharging end of feed belt is intersected in hopper opening; and three feed belt is provided with metering outfit; thereby realize the preparation of more than three kinds mineral with similar method; etc. these all belong to distortion of the present invention; with the present invention is based on same design, belong to protection scope of the present invention.
Claims (10)
1. an ore blending system, it is characterized in that, comprise the first feed belt (2), the second feed belt (7), the first metering outfit (8), the second metering outfit (9) and the 3rd feed belt (11), described the first feed belt (2) is for delivery of the mineral materials in the first source, described the second feed belt (7) is for delivery of second-source mineral materials, the discharging end of described the first feed belt (2) and the second feed belt (7) is directly over the 3rd feed belt (11), described the first metering outfit (8) is arranged at the first feed belt (2) mineral quantity upper and that transmit through the first feed belt (2) for real time measure, described the second metering outfit (9) is arranged at the second feed belt (7) mineral quantity upper and that transmit through the second feed belt (7) for real time measure, the mineral quantity that the mineral quantity transmitting through the first feed belt (2) according to the metering setting value of the first metering outfit (8) and the second metering outfit (9) and the second feed belt (7) transmit is delivered to according to predetermined ore proportioning rate on the 3rd feed belt (11).
2. ore blending system according to claim 1, it is characterized in that, also include hopper (10), described hopper (10) is arranged between the discharging end and described the 3rd feed belt (11) of described the first feed belt (2) and the second feed belt (7), the outlet at bottom of described hopper (10) is just to the 3rd feed belt (11), the open top of described hopper (10) is under described the first feed belt (2) and the second feed belt (7) discharging end, described hopper (10) is fallen on the 3rd feed belt (7) after the mineral materials from the first feed belt (2) and the second feed belt (7) is all mixed.
3. ore blending system according to claim 2, it is characterized in that, described the first feed belt (2) and the second feed belt (7) are in same level position, and the first feed belt (2) is proper right with the blanking of the second feed belt (7), the outlet at bottom of described hopper (10) is the initial end of transmission to the 3rd feed belt (11) just, described the first metering outfit (8) is specifically arranged at the belt below of the first feed belt (2) near its discharging end, described the second metering outfit (9) is specifically arranged at the belt below of the second feed belt (7) near its discharging end.
4. according to the ore blending system described in claim 1-3 any one, it is characterized in that, also include surge bunker (5) and disk feeder (6), the direct clutch disk feeder of outlet (6) of described surge bunker (5), described disk feeder can be by the load of setting feed belt supply material downwards.
5. ore blending system according to claim 4, it is characterized in that, described surge bunker (5) and disk feeder (6) are arranged at the top of the second feed belt (7), and the discharging opening of described disk feeder (6) is the initial end of transmission to described the second feed belt (7) just, control the mineral quantity that falls into the second feed belt (7) by described disk feeder (6).
6. ore blending system according to claim 5, it is characterized in that, also include the 4th feed belt (4), the open top to described surge bunker (5) is rectified in the blanking of described the 4th feed belt (4), described the 4th feed belt (4) top is provided with disk filter (3), and the discharging opening of disk filter (3) is aimed at the 4th feed belt (4), provides from second-source mineral materials by described disk filter (3).
7. ore blending system according to claim 4, it is characterized in that, described the first metering outfit and the second metering outfit have included LOAD CELLS, tachogenerator and data handler, described LOAD CELLS and tachogenerator are arranged at the belt below near discharging end, be respectively used to sensing belt load weight signal and belt transfer rate signal, and export data handler to, described data handler obtains by computing the mineral quantity that predetermined amount of time feed belt accumulative total is carried, described disk feeder comprises actuator, feeder body and measurement controller, by the load of described measurement controller control disk feeder.
8. ore blending system according to claim 7, it is characterized in that, also include control unit, described control unit is connected in data handler, the data handler of the second metering outfit and the measurement controller of disk feeder of the first metering outfit simultaneously, relation between the mineral quantity numerical value that described control unit is exported based on the first metering outfit and the second metering outfit and predetermined ore proportioning rate, automatically adjusts the load of described disk feeder and accurately joins ore deposit to realize.
9. according to the ore blending system described in claim 1-8 any one, it is characterized in that, the transfer rate of described the first feed belt (2) and the second feed belt (7) is constant and equal, described the first feed belt (2) top is provided with ceramic filter (1) or disk filter (3), provides the mineral materials from the first source by described ceramic filter (1) or disk filter (3) for described the first feed belt (2).
10. the ore-proportioning method carrying out based on ore blending system described in claim 4-9 any one, is characterized in that, comprises the following steps:
(1), according to after the load of disk feeder described in predetermined ore proportioning rate initial setting, to described the first feed belt (2) and the second feed belt (6) supply material, start the first metering outfit (8) and the second metering outfit (9) simultaneously;
(2), section reads the numerical value of the first metering outfit (8) and the second metering outfit (9) to schedule, and calculate accordingly the ore weight ratio example through the conveying of described the first feed belt (8) and the second feed belt (9);
(3), ore weight ratio that step (2) is calculated example contrasts with described predetermined ore proportioning rate, and according to comparing result execution step (4) or step (5);
(4), if the ore weight ratio calculating example conforms to described predetermined ore proportioning rate, keep standing state to complete mineral preparation;
(5) if when the ore weight ratio example calculating departs from described predetermined ore proportioning rate preset range, according to the corresponding load of adjusting described disk feeder of the situation that departs from, and repeated execution of steps (2) and (3), until complete mineral preparation according to predetermined ore proportioning rate.
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