Iron ore concentrate long pipeline terminal material disposal device and method

Abstract

The application discloses an iron concentrate long-conveying-pipeline terminal material treatment device and method, relates to the technical field of concentrate powder long-distance transfer, and solves the technical problem that concentrate powder conveyed through a long-distance pipeline cannot be directly applied to a next process. The device comprises a thickening and dewatering assembly, a belt conveying assembly and an automatic stacking and material taking assembly. Iron concentrate slurry coming from an iron concentrate long-conveying pipeline enters a thickener through a feeding port, is conveyed to a filter through an underflow pump for dewatering operation, and then is conveyed to a feeding conveyor through the belt conveying assembly, and is unloaded to material storage facilities through an unloading machine on the feeding conveyor and forms a plurality of material piles. The material in the material piles is taken to a discharging conveyor through a material taking machine, and is automatically sent to the feeding position of the next process through the discharging conveyor. The above solves the technical problem of material connection and conveying between long-distance iron concentrate conveying and the next process, and has the technical effects of high automation, labor saving and green high efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of long-distance transportation of concentrate powder, and particularly relates to a device and method for processing material at the terminal of a long-distance pipeline for transporting iron concentrate. BACKGROUND

[0002] When the concentrate powder produced by an iron mine concentrator is transported over a long distance, in order to solve the problems of small transportation capacity of road transportation and high construction cost of railway transportation, some enterprises adopt a method of transporting the concentrate powder in the form of slurry through a long-distance pipeline. However, the slurry cannot be directly applied to the next process, such as pelletizing and sintering, and there are problems of material connection and transportation. SUMMARY

[0003] The present application provides a device and method for processing material at the terminal of a long-distance pipeline for transporting iron concentrate, which solves the technical problem that the concentrate powder transported through a long-distance pipeline cannot be directly applied to the next process in the related art.

[0004] The present application provides a device for processing material at the terminal of a long-distance pipeline for transporting iron concentrate, which comprises a thickening and dewatering assembly, a belt conveying assembly and an automatic stacking and taking assembly. The thickening and dewatering assembly comprises a thickener, an underflow pump and a filter machine connected in sequence. The thickener is provided with a feed inlet for receiving the iron concentrate slurry output by the long-distance pipeline for transporting iron concentrate. The filter machine is configured to perform dewatering operation. One end of the belt conveying assembly is connected to the discharge port of the filter machine to receive the iron concentrate powder discharged from the discharge port of the filter machine. The automatic stacking and taking assembly comprises a material storage facility, a feeding conveyor, a discharging conveyor, a discharging machine and a taking machine. The other end of the belt conveying assembly is connected to the feeding conveyor. The feeding conveyor is arranged in the material storage facility. The discharging machine is installed on the feeding conveyor to discharge the iron concentrate powder on the feeding conveyor into the material storage facility and form a pile. The taking machine is arranged opposite to the pile to take the iron concentrate powder of the pile to the discharging conveyor. The discharging conveyor is arranged opposite to the material storage facility. One end of the discharging conveyor is configured to be connected to the feed inlet of the next process.

[0005] In some embodiments, the material storage facility comprises a shed or a bin, and the material storage facility is arranged in a sealed manner.

[0006] In some embodiments, the filter machine comprises a vacuum filter machine or a filter press, and the number of filter machines can be flexibly set according to the amount of transported slurry.

[0007] In some embodiments, the belt conveying assembly comprises a plurality of belt conveyors connected in sequence. A transfer station is arranged at the connection between adjacent two belt conveyors to realize the transfer of the iron concentrate powder from one belt conveyor to another belt conveyor.

[0008] In some embodiments, a single-sided or double-sided stockpile is arranged in the material storage facility, and a plurality of stockpiles are formed on one side of the feeding conveyor by the unloading machine in the single-sided stockpile, and a plurality of stockpiles are formed on both sides of the feeding conveyor by the unloading machine in the double-sided stockpile.

[0009] In some embodiments, a partition wall is arranged in the middle of the material storage facility, and the feeding conveyor is arranged on the partition wall; in the double-sided stockpile, the automatic stockpile access assembly includes two stockpile access machines and two discharge conveyors, the two stockpile access machines are arranged on both sides of the feeding conveyor respectively, and the two discharge conveyors are arranged on both sides of the feeding conveyor respectively, the two stockpile access machines are used for accessing different side stockpiles, and the two discharge conveyors are arranged in one-to-one correspondence with the two stockpile access machines.

[0010] In some embodiments, the unloading machine and the stockpile access machine are configured to be movable along the length direction of the feeding conveyor.

[0011] In some embodiments, a plurality of radar level gauges are arranged in the material storage facility, the radar level gauges are used for detecting the height of each stockpile, and a positioning mechanism is arranged on the feeding conveyor to obtain the real-time position of the unloading machine.

[0012] A method for disposing of materials at the terminal end of a long-distance pipeline for iron ore concentrate, the method being applied to the above-mentioned device for disposing of materials at the terminal end of a long-distance pipeline for iron ore concentrate, and the radar level gauge, the positioning mechanism, the unloading machine and the stockpile access machine being signal-connected with the control system, the method including: obtaining, by the control system, the real-time height value of each stockpile through the radar level gauge; after obtaining the real-time height value of the stockpile, adjusting, by the control system in cooperation with the positioning mechanism, the position of the unloading machine and adjusting the position of the stockpile access machine.

[0013] In some embodiments, the method further includes: setting a suitable height range of the stockpile, the suitable height range including a lower limit height value and an upper limit height value; in the case that the real-time height value of a certain stockpile is less than the lower limit height value, controlling, by the control system, the unloading machine to travel to the unloading position corresponding to the stockpile and controlling the stockpile access machine to avoid the stockpile; and in the case that the real-time height value of a certain stockpile is greater than the upper limit height value, controlling, by the control system, the unloading machine to avoid the unloading position corresponding to the stockpile and controlling the stockpile access machine to access the stockpile.

[0014] The application has the following beneficial effects: the iron concentrate long pipeline terminal material disposal device comprises a thickening dehydration assembly, a belt conveying assembly and an automatic stacking and taking material assembly, iron concentrate slurry coming from the iron concentrate long pipeline enters a thickener through a feeding port, the thickener concentrates the slurry to remove part of water, and the slurry is conveyed to a filter for dehydration operation through an underflow pump, and the iron concentrate powder containing a small amount of water is discharged through a discharge port of the filter, and is conveyed to a feeder conveyor through the belt conveying assembly, and then is unloaded into a material storage facility through an unloading machine on the feeder conveyor and forms a plurality of material piles, the material of the material piles is taken to a discharge conveyor through a taking machine, and is automatically sent to a feeding port of a next process through the discharge conveyor; the above, the iron concentrate powder is stored and shipped through the automatic stacking and taking material assembly, the defects of the mismatch between the operation rate, the demand and the like of the iron concentrate long pipeline and the next process are balanced, the technical problems of material connection and conveying between the long-distance iron concentrate conveying and the next process are solved as a whole, and the technical effects of high automation, labor saving and green and high efficiency are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description only show some embodiments of the present application.

[0016] Figure 1 A structural schematic view of the iron concentrate long pipeline terminal material disposal device provided by the present application is provided.

[0017] Figure 2 A specific structural schematic view of the automatic stacking and taking material assembly in the iron concentrate long pipeline terminal material disposal device provided by the present application is provided.

[0018] Figure 3 A top view of part of the structure of the automatic stacking and taking material assembly in the iron concentrate long pipeline terminal material disposal device provided by the present application is provided.

[0019] The drawings show: 10-iron concentrate long pipeline terminal material disposal device, 100-thickening dehydration assembly, 110-thickener, 120-underflow pump, 130-filter, 200-belt conveying assembly, 210-belt conveyor, 220-transfer station, 300-automatic stacking and taking material assembly, 310-material storage facility, 311-material pile, 320-feeder conveyor, 330-discharge conveyor, 340-unloading machine, 350-taking machine, 21-long pipeline outlet, 22-feeding port of a next process. DETAILED DESCRIPTION

[0020] The embodiment of the present application provides an iron concentrate long-distance pipeline terminal material disposal device and method, and solves the technical problem that concentrate powder conveyed through a long-distance pipeline cannot be directly applied to a next process in the related art.

[0021] The technical solution in the embodiment of the present application is to solve the above technical problem, and the general idea is as follows:

[0022] An iron concentrate long-distance pipeline terminal material disposal device, comprising a thickening and dewatering assembly, a belt conveying assembly and an automatic stacking and material taking assembly, the thickening and dewatering assembly comprises a thickener, an underflow pump and a filter connected in sequence, the thickener is provided with a feed inlet for receiving iron concentrate slurry output by an iron concentrate long-distance pipeline, and the filter is configured to perform a dewatering operation, one end of the belt conveying assembly is connected with a discharge port of the filter to receive iron concentrate powder discharged from the discharge port of the filter, and the automatic stacking and material taking assembly comprises a material storage facility, a feeding conveyor, a discharging conveyor, a discharging machine and a material taking machine, the other end of the belt conveying assembly is connected with the feeding conveyor, the feeding conveyor is arranged in the material storage facility, the discharging machine is installed on the feeding conveyor to discharge the iron concentrate powder on the feeding conveyor into the material storage facility and form a material pile, the material taking machine is arranged opposite to the material pile to take the iron concentrate powder of the material pile to the discharging conveyor, and the discharging conveyor is arranged opposite to the material storage facility, and one end of the discharging conveyor is configured to be communicated to a feed inlet of a next process.

[0023] In order to better understand the above technical solution, the above technical solution will be described in detail in combination with the drawings of the specification and the specific embodiments.

[0024] Embodiment 1

[0025] The embodiment discloses an iron concentrate long-distance pipeline terminal material disposal device 10. Please refer to Figure 1 The terminal material disposal device 10 comprises a thickening and dewatering assembly 100, a belt conveying assembly 200 and an automatic stacking and material taking assembly 300, and the thickening and dewatering assembly 100 comprises a thickener 110, an underflow pump 120 and a filter 130 connected in sequence. Please refer to Figure 2 The automatic stacking and material taking assembly 300 comprises a feeding conveyor 320, a discharging conveyor 330, a discharging machine 340 and a material taking machine 350. Please refer to Figure 3 The automatic stacking and material taking assembly 300 further comprises a material storage facility 310.

[0026] The thickener 110 is provided with a feed inlet for receiving iron concentrate slurry output by an iron concentrate long-distance pipeline, specifically the long-distance pipeline outlet 21 shown in Figure 1 , and the filter 130 is configured to perform a dewatering operation.

[0027] Please refer to Figure 2One end of the belt conveying assembly 200 is connected with the discharge port of the filter 130 to receive the iron concentrate powder discharged from the discharge port of the filter 130. The other end of the belt conveying assembly 200 is connected with the feeding conveyor 320.

[0028] Please refer to Figure 3 The feeding conveyor 320 is arranged in the material storage facility 310.

[0029] Please refer to Figure 2 The discharge machine 340 is installed on the feeding conveyor 320 to discharge the iron concentrate powder on the feeding conveyor 320 into the material storage facility 310 and form the stockpile 311. The reclaimer 350 is arranged opposite to the stockpile 311 to reclaim the iron concentrate powder of the stockpile 311 to the discharge conveyor 330. The discharge conveyor 330 is arranged opposite to the material storage facility 310, and one end of the discharge conveyor 330 is configured to be communicated to the feeding position 22 of the next process.

[0030] In the specific application of the iron concentrate long-distance pipeline terminal material disposal device 10 provided in the embodiment, the iron concentrate slurry coming from the iron concentrate long-distance pipeline directly enters the thickener 110 through the feeding port of the thickener 110. The thickener 110 concentrates the slurry to remove part of the water and increase the concentration of the slurry. The slurry from which part of the water is removed is transported to the filter 130 through the underflow pump 120, and further dehydration is performed in the filter 130. As a result, the iron concentrate powder is output from the discharge port of the filter 130. The iron concentrate powder output from the discharge port of the filter 130 is conveyed to the feeding conveyor 320 through the belt conveying assembly 200. In the range of the material storage facility 310, the discharge machine 340 on the feeding conveyor 320 acts to discharge the iron concentrate powder on the feeding conveyor 320. The iron concentrate powder is discharged and forms a plurality of stockpiles 311 in the material storage facility 310. The material of the stockpile 311 is taken to the discharge conveyor 330 through the reclaimer 350, and then is automatically sent to the feeding position 22 of the next process through the discharge conveyor 330.

[0031] Through the iron concentrate long-distance pipeline terminal material disposal device 10 provided in the present application, the iron concentrate coming from the iron concentrate long-distance pipeline can directly enter the next process, such as the pelletizing process, the sintering process, etc. The automatic stacking and reclaiming assembly 300 stores and ships the iron concentrate powder, balances the mismatch between the operation rate, demand, etc. of the iron concentrate long-distance pipeline and the next process, and overall solves the technical problem of material connection and conveying between the long-distance transportation of the iron concentrate and the next process, and has the technical effects of high automation, saving labor, and green and high efficiency.

[0032] In some embodiments, the material storage facility 310 is configured to perform single-side stockpiling or double-side stockpiling. When performing single-side stockpiling, the unloader 340 forms a plurality of stacks on one side of the feeding conveyor 320. When performing double-side stockpiling, the unloader 340 forms a plurality of stacks on both sides of the feeding conveyor 320. As shown in Figure 2 and Figure 3 The embodiment shown is a double-side stockpiling embodiment.

[0033] In some embodiments, the middle part of the material storage facility 310 is provided with a bulkhead, and the feeding conveyor 320 is installed on the bulkhead, so as to achieve relative fixation of the feeding conveyor 320 and the material storage facility 310.

[0034] Please refer to Figure 2 In the double-side stockpiling technical solution, the automatic stockpiling and taking material assembly 300 includes two taking material machines 350 and two outfeed conveyors 330. The two taking material machines 350 are located on both sides of the feeding conveyor 320, and the two outfeed conveyors 330 are located on both sides of the feeding conveyor 320. One taking material machine takes material from one side of the stacks 311 in the double-side stockpiling, and the other taking material machine takes material from the other side of the stacks 311 in the double-side stockpiling. The two outfeed conveyors 330 are arranged in one-to-one correspondence with the two taking material machines 350.

[0035] In some embodiments, as shown in Figure 2 The taking material machine 350 is specifically a scraper taking material machine 350.

[0036] In some embodiments, the taking material machine 350 is specifically a semi-gantry stockpiling and taking material machine 350, which can perform automatic taking material.

[0037] In some embodiments, the unloader 340 is movable along the length direction of the feeding conveyor 320 and the movement is controlled, so as to unload to different stack 311 positions in a controlled manner. The taking material machine 350 is movable along the length direction of the feeding conveyor 320 and the movement is controlled, so as to take material from different stacks 311 in a controlled manner.

[0038] In some embodiments, a plurality of radar material level meters (not shown in the figure) are arranged in the material storage facility 310. The radar material level meters can be installed on the rack of the feeding conveyor 320. The radar material level meters are used to detect the height of each stack 311, so as to provide the stack 311 height information for machine control. The feeding conveyor 320 is provided with a positioning mechanism, which is used to obtain the real-time position of the unloader 340, so as to assist in realizing control of the position of the unloader 340.

[0039] In some embodiments, the material storage facility 310 includes a shed or a bin, and the form of the shed or the bin meets the implementation requirements of the present embodiment.

[0040] In some embodiments, the material storage facility 310 is in a sealed arrangement, which means that the outside of the material storage facility 310 is separated from the inner cavity, which can meet environmental protection requirements and can meet the requirements of preventing freezing in winter.

[0041] In some embodiments, the filter 130 includes various forms, such as a vacuum filter 130, for example, a filter press, and the number of filters 130 can be flexibly arranged according to the amount of conveyed ore pulp. In a specific operation process, by adjusting several working parameters of the filter 130, such as vacuum degree and rotating speed, the water content of the iron concentrate powder is controlled to meet the requirements of the next process.

[0042] In some embodiments, please refer to Figure 1 The belt conveying assembly 200 includes a plurality of belt conveyors 210 connected in sequence, and a transfer station 220 is arranged at the connection between adjacent two belt conveyors 210 to realize the transfer of the iron concentrate powder from one belt conveyor 210 to another belt conveyor 210. The transfer station 220 includes a material conveying hopper and the like, and by flexibly arranging one or more belt conveyors 210, adjacent two belt conveyors 210 complete the transfer through the transfer station 220, which adapts to the layout of different production areas.

[0043] In some embodiments, the belt conveyor 210 is in the form of a rubber belt conveyor.

[0044] Embodiment 2

[0045] Based on the iron concentrate long-distance pipeline terminal material disposal device 10 of embodiment 1, an iron concentrate long-distance pipeline terminal material disposal method is provided, and the terminal material disposal device 10 includes a radar material level meter, a positioning mechanism, a unloading machine 340 and a material taking machine 350. The terminal material disposal method includes the use of a control system, and the radar material level meter, the positioning mechanism, the unloading machine 340 and the material taking machine 350 are signal connected with the control system to realize the interlocking of the material pile 311 material level data, the unloading machine 340 and the material taking machine 350.

[0046] In detail, the method includes: the control system obtains the real-time height value of each material pile 311 through the radar material level meter; after obtaining the real-time height value of the material pile 311, the control system adjusts the position of the unloading machine 340 in cooperation with the positioning mechanism, so as to distribute the material to the appropriate material pile 311 position; and the position of the material taking machine 350 is adjusted to take the material from the material pile 311 with sufficient material.

[0047] In some embodiments, the method further includes:

[0048] The height range of the stockpile 311 is determined according to the height of the material storage facility 310, the position of the feeding conveyor 320, the working range of the reclaimer 350, and the like, and a suitable height range of the stockpile 311 is further set, which includes a lower limit height value and an upper limit height value;

[0049] When the real-time height value of a certain stockpile 311 is less than the lower limit height value, the real-time height value of the stockpile 311 is obtained by the radar level gauge, the control system controls the unloading machine 340 to travel to the unloading position corresponding to the stockpile 311, and the stockpile 311 is distributed at the position so that the height of the stockpile 311 rises to the suitable height range, and the reclaimer 350 is controlled to avoid the stockpile 311;

[0050] When the real-time height value of a certain stockpile 311 is greater than the upper limit height value, the real-time height value of the stockpile 311 is obtained by the radar level gauge, the control system controls the unloading machine 340 to avoid the unloading position corresponding to the stockpile 311, and the reclaimer 350 is controlled to take the material of the stockpile 311, so that the stockpile 311 is included in the range of priority taking, and the height of the stockpile 311 is prevented from continuing to rise.

[0051] By the iron ore concentrate long pipeline terminal material disposal method, the height of the stockpile 311 in the material storage facility 310 is controlled in the suitable height range, and stable and automatic handling is realized, and the stacking and taking efficiency is improved.

[0052] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to cover all changes and modifications falling within the scope of the present application.

[0053] Obviously, various modifications and changes can be made to the present application by those skilled in the art without departing from the spirit and scope of the present application. Thus, it is intended that the present application cover the modifications and changes as long as they come within the scope of the claims of the present application and their equivalents.

Claims

1. An iron ore concentrate long distance pipeline terminal material handling apparatus, characterized by, include: A thickening and dewatering assembly includes a thickener, an underflow pump, and a filter connected in sequence. The thickener is provided with an inlet for receiving iron concentrate slurry output from a long-distance iron concentrate pipeline. The filter is configured to perform dewatering operations and is configured to regulate operating parameters, including vacuum degree or rotational speed, to control the moisture content of the iron concentrate powder input to the filter, so that the iron concentrate powder discharged from the filter's discharge port meets the moisture content requirements of the pelletizing or sintering processes for the input iron concentrate powder. A belt conveyor assembly, one end of which is connected to the discharge port of the filter to receive iron concentrate powder discharged from the discharge port of the filter; An automatic stacking and reclaiming assembly includes a material storage facility, a feeding conveyor, a discharging conveyor, a unloading machine, and a reclaiming machine. The other end of the belt conveyor assembly is connected to the feeding conveyor, which passes through the material storage facility. The unloading machine is installed on the feeding conveyor to unload iron concentrate powder from the feeding conveyor into the material storage facility to form a stockpile. The reclaiming machine is positioned opposite the stockpile to reclaim iron concentrate powder from the stockpile onto the discharging conveyor, which is also positioned opposite the material storage facility. One end of the discharging conveyor is configured to connect to the feed point of the pelletizing process or the sintering process. Both the unloader and the reclaimer are configured to move along the length of the feeding conveyor; The material storage facility is equipped with multiple radar level gauges, which are used to detect the height of each material pile. The feeding conveyor is equipped with a positioning mechanism to obtain the real-time position of the unloading machine. The material storage facility is sealed to isolate the outside of the material storage facility from the inside cavity; The belt conveyor assembly includes multiple belt conveyors connected in sequence. A transfer station is configured at the connection point of two adjacent belt conveyors. The transfer station is a material transfer hopper to realize the transfer of iron concentrate powder from one belt conveyor to another belt conveyor. The material storage facility is equipped with storage on both sides. Multiple material piles are formed on both sides of the feeding conveyor by the unloading machine. The automatic stacking and retrieving assembly includes two retrieving machines and two discharging conveyors. The two retrieving machines are respectively located on both sides of the feeding conveyor, and the two discharging conveyors are respectively located on both sides of the feeding conveyor. The two retrieving machines are used to retrieve material from the material piles on different sides. The two discharging conveyors and the two retrieving machines are arranged in a one-to-one correspondence. A blocking wall is provided in the middle of the material storage facility, and the feeding conveyor is installed on the blocking wall.

2. The iron ore concentrate long distance pipeline terminal material disposal apparatus as claimed in claim 1, wherein, The material storage facilities include sheds or bins.

3. The iron ore concentrate long distance pipeline terminal material disposal apparatus as claimed in claim 1, wherein, The filter includes a vacuum filter or a filter press.

4. A method of handling material at the end of a long pipeline of iron ore concentrate, characterized in that, The iron concentrate long-distance pipeline terminal material handling device as described in claim 1, wherein the radar level gauge, the positioning mechanism, the unloader, and the reclaimer are all connected to the control system signal, and the method includes: The control system acquires real-time height values of each of the piles via the radar level meters; After acquiring the real-time height values of the piles, the control system adjusts the position of the unloading machine and the position of the material taking machine in cooperation with the positioning mechanism.

5. The iron ore concentrate long distance pipeline terminal material disposal method as claimed in claim 4, wherein, The method further comprises: setting a suitable height range for the piles, the suitable height range comprising a lower limit height value and an upper limit height value; under the condition that the real-time height value of a certain pile is less than the lower limit height value, the control system controls the unloading machine to travel to the unloading position corresponding to the pile and controls the material taking machine to avoid the pile; under the condition that the real-time height value of a certain pile is greater than the upper limit height value, the control system controls the unloading machine to avoid the unloading position corresponding to the pile and controls the material taking machine to take material from the pile.

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