CN218531252U - System for utilize barren rock processing grit aggregate - Google Patents
System for utilize barren rock processing grit aggregate Download PDFInfo
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- CN218531252U CN218531252U CN202222574858.1U CN202222574858U CN218531252U CN 218531252 U CN218531252 U CN 218531252U CN 202222574858 U CN202222574858 U CN 202222574858U CN 218531252 U CN218531252 U CN 218531252U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The utility model relates to a technical field is handled to the barren rock, specifically is a system for utilize barren rock processing grit aggregate, including coarse crushing production line, a crushing and screening production line, secondary screening production line and cubic screening production line. Compared with the prior art, the utility model provides a pair of system for utilize barren rock processing grit aggregate can extract the iron ore that partly can utilize, produces the building and the industrial grit material of four kinds of different specifications simultaneously, and the fine particle barren rock and the soil of dry-picking out in the flow are as the ploughing and planting soil of mine earthing farmland-building. All materials are completely separated and utilized after being processed by the process, and no waste materials are discharged. Furthermore, the utility model discloses can also adjust product size fraction through the screen cloth of changing corresponding mesh number according to market needs.
Description
Technical Field
The utility model relates to a technical field is handled to the barren rock, specifically is a system for utilize barren rock processing grit aggregate.
Background
Because domestic iron ores are mostly poor iron ores or ultra-poor iron ores, a large amount of waste tailings and waste rocks are generated when iron ore concentrates are produced in an iron ore mine, the tailings and the waste rocks are accumulated in a tailing pond and a dumping site, the occupied area is large, the environment is polluted, the safety around the mine is threatened, the surface soil of dry seasons is blown by wind to easily form dust storms, and the mud-rock flow and the landslide are easily formed in rainy seasons.
In the field of mining industry, non-waste mine is taken as a development target of mines in industrially developed countries in the world, and the comprehensive utilization degree of tailings is taken as a mark for measuring the scientific and technological level and the economic development degree of a country. The utilization rate of foreign tailings can reach more than 60 percent, and some countries in Europe have developed towards the aim of waste-free mines. The development of recleaning of the waste rocks and the tailings is an important measure for improving the resource utilization rate, and is also beneficial to reducing the discharge of the waste rocks and the tailings. Recleaning from the waste rocks and the tailings not only improves the recovery rate of resources, but also brings great economic benefit to enterprises.
River sand is forbidden to be mined, the sandstone industry is in disorder, sandstone is in short, and the price is increased. The solid waste is particularly urgent to be recycled, and the recycled material can replace part of artificial and natural sandstone aggregate to realize recycling, so that the recycling is imperative.
The sandstone aggregate is the most indispensable and irreplaceable basic material for the construction of infrastructure projects such as buildings, roads, bridges and the like. But the sandstone aggregate belongs to non-renewable resources, and the earth environment is greatly damaged by thousands of years of mining. In the metal and non-metal mine industry of China, a large amount of waste rocks and tailings are generated in the mine in the long-term mining production process, and the tailings resources can be used for completely or partially replacing sandstone aggregates.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utilize system of barren rock processing grit aggregate, through the utility model discloses a scheme can extract partly iron ore that can utilize, the building and the industrial grit material of four kinds of different specifications of coproduction department, and the fine particle barren rock and the soil of chooseing are as ploughing of mine earthing field building and plant soil in the flow futilely. All materials are separated and utilized after being processed by the flow, no waste is discharged, waste is changed into valuable, occupied areas of a tailing pond and a waste dump are vacated to be used as cultivated land or construction land, a large amount of land resources are saved for the country, and potential safety hazards and environmental pollution sources are eliminated.
In order to achieve one of the above purposes, the utility model provides the following technical scheme:
a system for processing sandstone aggregate by using waste rocks comprises a coarse crushing production line, a primary crushing and screening production line, a secondary screening production line and a tertiary screening production line;
the coarse crushing production line comprises a raw ore inlet and a jaw crusher; the primary crushing and screening production line comprises a first double-layer vibrating screen and a cone crusher; the secondary screening production line comprises a second double-layer vibrating screen; the tertiary screening production line comprises a third single-layer vibrating screen;
the jaw crusher is connected with the first double-layer vibrating screen through a belt conveyor;
the discharge port of the crusher is mixed with the discharge port under the screen of the first double-layer vibrating screen and then connected with the second double-layer vibrating screen through the belt conveyor;
the material outlet on the screen of the second double-layer vibrating screen and the material outlet in the screen are respectively connected with ore storage through a belt conveyor, and the material outlet under the screen of the second double-layer vibrating screen is connected with the third single-layer vibrating screen through the belt conveyor;
and the screen upper discharge port and the screen lower discharge port of the third single-layer vibrating screen are respectively connected with the ore storage through belt machines.
Preferably, the number of jaw crushers in the coarse crushing line is one; the number of the first double-layer vibrating screens in the primary crushing and screening production line is two, and the number of the cone crushers is one; the number of the second double-layer vibrating screens in the secondary screening production line is two; the number of the third single-layer vibrating screens in the tertiary screening production line is one.
Preferably, the sieve middle discharge port of the first double-layer vibrating sieve is connected with the ore storage through a belt conveyor after passing through a dry separation device.
Preferably, the discharge port of the crusher is connected with the screen discharge port of the first double-layer vibrating screen through the belt conveyor after being mixed by the dry separation device.
Preferably, the transmission mode of the belt conveyor is a monorail electric hoist.
Preferably, the coarse crushing production line, the primary crushing and screening production line, the secondary screening production line and the tertiary screening production line are all provided with electric welder plugs for maintenance.
Preferably, the coarse crushing production line, the primary crushing and screening production line, the secondary screening production line and the tertiary screening production line are all provided with a safety power supply.
Preferably, a transfer station is further arranged between the coarse crushing production line and the primary crushing and screening production line.
In order to achieve the second purpose, the utility model provides the following technical scheme:
a method for processing sandstone aggregate by using waste rocks comprises the following steps:
coarse crushing: carrying out coarse crushing operation on raw ore by adopting a jaw crusher to obtain coarse crushed materials;
primary crushing and screening: screening the coarse crushed materials by a first double-layer vibrating screen to obtain first oversize materials, first in-screen materials and first undersize materials; wherein, the materials in the primary screening are stored; mixing the material of the first-time oversize material crushed by the crusher with the first-time undersize material to obtain a first-time screened material;
secondary screening: screening the first-time screened material by a second double-layer vibrating screen to obtain a second-time oversize material, a second-time in-screen material and a second-time undersize material; wherein, the materials on the secondary screen and the materials in the secondary screen are respectively stored;
and (3) screening for three times: and screening the second undersize material by a third single-layer vibrating screen to obtain a third oversize material and a third undersize material, and respectively storing the third oversize material and the third undersize material.
Preferably, in the coarse crushing step: the grain size of the raw ore is 0-850 mm, and the grain size of the coarse crushed material is 0-2500 mm;
in the primary crushing and screening step: the particle size of the material on the first screen is 80-250 mm, the particle size of the material in the first screen is 40-80 mm, and the particle size of the material under the first screen and the particle size of the material screened for the first time are 0-40 mm;
in the secondary screening step: the grain size of the material on the second sieve is 40-80 mm, the grain size of the material in the second sieve is 20-40 mm, and the grain size of the material under the second sieve is 0-20 mm;
in the tertiary sieving step: the grain size of the material on the third sieve is 8-20 mm, and the grain size of the material under the third sieve is 0-8 mm.
Compared with the prior art, the utility model provides a pair of utilize system of barren rock processing grit aggregate's beneficial effect is:
through the utility model discloses a structure can extract the iron ore that partly can utilize, the building and the industrial grit material of four kinds of different specifications of coproduction department, and the fine particle barren rock and the soil of dry-picking out are as the ploughing of mine earthing field building and plant soil in the flow. All materials are completely separated and utilized after being processed by the process, and no waste materials are discharged. Furthermore, the utility model discloses can also adjust product size fraction through the screen cloth of changing corresponding mesh number according to market needs.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a system for processing gravel aggregate by using waste rocks according to an embodiment of the present invention.
Fig. 2 is a plan view of the configuration of a coarse crushing production line in a system for processing sandstone aggregates by using waste rocks according to an embodiment of the present invention.
Fig. 3 is a front view of a configuration of a coarse crushing production line in a system for processing sandstone aggregates by using waste rocks according to an embodiment of the present invention.
Fig. 4 is a front view of a primary crushing and screening line in a system for processing gravel aggregate by using waste rocks according to an embodiment of the present invention.
Fig. 5 is a front view of a secondary screening line in a system for processing sandstone aggregate using waste rock according to an embodiment of the present invention.
Fig. 6 is a front view of a tertiary screening line in a system for processing gravel aggregate using waste rocks according to an embodiment of the present invention.
Fig. 7 is a schematic view of the connection between the coarse crushing production line and the transfer station in the system for processing sandstone aggregate by using waste rocks according to an embodiment of the present invention.
Fig. 8 is a schematic view of the connection between a transfer station and a primary crushing and screening production line in a system for processing gravel aggregate by using waste rocks according to an embodiment of the present invention.
Fig. 9 is a schematic view of a connection between a primary crushing and screening production line and a secondary screening production line in a system for processing gravel aggregate by using waste rocks according to an embodiment of the present invention.
Fig. 10 is a schematic connection diagram of a secondary screening production line, a tertiary screening production line and ore storage in a system for processing sandstone aggregate by using waste rocks according to an embodiment of the present invention.
The schematic in the figure is as follows:
100. a coarse crushing production line; 110. a raw ore inlet; 120. a jaw crusher;
200. primary crushing and screening production line; 210. a first double-deck shaker screen; 220. a cone crusher 300 and a secondary screening production line; 310. a second double-layer vibrating screen;
400. a third screening production line; 410. a third single-layer vibrating screen;
500. a belt conveyor;
600. storing ores;
700. a transfer station;
800. a single-rail electric hoist.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-10, an embodiment of the present invention provides a system for processing sandstone aggregate by using waste rock, comprising a coarse crushing production line, a primary crushing and screening production line, a secondary screening production line and a tertiary screening production line; the coarse crushing production line comprises a raw ore inlet and a jaw crusher; the primary crushing and screening production line comprises a first double-layer vibrating screen and a cone crusher; the secondary screening production line comprises a second double-layer vibrating screen; the tertiary screening production line comprises a third single-layer vibrating screen; the jaw crusher is connected with the first double-layer vibrating screen through a belt conveyor; the discharge port of the crusher is mixed with the discharge port under the screen of the first double-layer vibrating screen and then connected with the second double-layer vibrating screen through the belt conveyor; the discharge port on the screen and the discharge port in the screen of the second double-layer vibrating screen are respectively connected with the ore storage through a belt conveyor, and the discharge port under the screen of the second double-layer vibrating screen is connected with the third single-layer vibrating screen through the belt conveyor; and the screen upper discharge port and the screen lower discharge port of the third single-layer vibrating screen are respectively connected with the ore storage through belt machines.
In this embodiment, 0-850 mm of raw ore is mined and transported to a coarse crushing plant by an automobile for coarse crushing, and a 1215 jaw crusher is used for coarse crushing, so that the product granularity is 0-250 mm. Feeding the coarsely crushed materials into 1 double-layer 3660 heavy vibrating screen through a belt conveyor to perform primary screening, wherein the grading granularity is 40mm and 80mm, performing primary dry separation on the materials with the granularity of 40-80 mm in the primary screen, storing the ores after the dry separation, and conveying the products after the dry separation as final products to an ore pile through the belt conveyor for storage. And (3) feeding the material with the size of 80-250 mm on the first section of sieve into a cone crusher for intermediate crushing, wherein the granularity of the product after intermediate crushing is 80-0 mm. And (3) combining the materials with the size of 0-40 mm below the first-stage screen with the middle crushed materials for secondary dry separation, storing the ores after dry separation, and lifting the rocks after dry separation to a screening workshop through a belt conveyor. The material firstly enters a double-layer 3660 heavy vibrating screen to be screened in a second stage, the grading particle size of the screened material in the second stage is 20mm and 40mm, the product material with the particle size of 40mm to 80mm on the screened material in the second stage is piled up and stored, and the product material with the particle size of 20mm to 40mm in the screened material in the second stage is transferred to a corresponding product ore bin through a belt conveyor to be stored. Feeding the material with the size of 0-20 mm below the second-stage sieve to a single-layer 2460 vibrating screen through a belt conveyor to perform three-stage sieving, wherein the grading granularity is 8mm, and conveying the product with the size of 8-20 mm above the sieve and the product with the size of 0-8 mm below the sieve to corresponding product storage yards through the belt conveyor respectively for storage.
In a preferred embodiment of the above embodiment, the number of jaw crushers in the coarse crushing line is one; the number of the first double-layer vibrating screens in the primary crushing and screening production line is two, and the number of the cone crushers is one; the number of the second double-layer vibrating screens in the secondary screening production line is two; the number of the third single-layer vibrating screens in the tertiary screening production line is one.
In a preferred embodiment of the above embodiment, the discharge port of the first double-layer vibrating screen is connected with the ore storage through a belt conveyor after passing through the dry separation device.
In addition, the discharge gate of breaker mixes the back through the belt feeder behind the dry separation device with the undersize discharge gate of first double-deck shale shaker the second double-deck shale shaker is connected, the transmission of belt feeder is single track electric block, the coarse crushing production line a crushing screening production line secondary screening production line reaches tertiary screening production line all is provided with overhauls with the electric welding machine plug, the coarse crushing production line a crushing screening production line secondary screening production line reaches tertiary screening production line all is provided with safety power supply the coarse crushing production line reaches still be provided with the transfer station between the primary crushing screening production line.
The utility model discloses another embodiment still provides a method for utilize barren rock processing grit aggregate, includes following step:
coarse crushing: carrying out coarse crushing operation on raw ore by using a jaw crusher to obtain coarse crushed materials;
primary crushing and screening: screening the coarse crushed materials by a first double-layer vibrating screen to obtain first oversize materials, first in-screen materials and first undersize materials; wherein, the materials in the primary screening are stored; mixing the material of the first-time oversize material crushed by the crusher with the first-time undersize material to obtain a first-time screened material;
secondary screening: screening the first-time screened material by a second double-layer vibrating screen to obtain a second-time oversize material, a second-time in-screen material and a second-time undersize material; wherein, the materials on the secondary screen and the materials in the secondary screen are respectively stored;
and (3) screening for three times: and screening the second undersize material by a third single-layer vibrating screen to obtain a third oversize material and a third undersize material, and storing the third oversize material and the third undersize material respectively.
In the above examples, in the coarse crushing step: the grain size of the raw ore is 0-850 mm, and the grain size of the coarse crushed material is 0-2500 mm;
in the primary crushing and screening step: the particle size of the material on the first screen is 80-250 mm, the particle size of the material in the first screen is 40-80 mm, and the particle size of the material under the first screen and the particle size of the material screened for the first time are 0-40 mm;
in the secondary screening step: the grain size of the material on the second sieve is 40-80 mm, the grain size of the material in the second sieve is 20-40 mm, and the grain size of the material under the second sieve is 0-20 mm;
in the tertiary sieving step: the grain size of the material on the third sieve is 8-20 mm, and the grain size of the material under the third sieve is 0-8 mm.
The utility model discloses in, in order to adjust the production fluctuation between each production link in the building stones processing factory, improve equipment operation rate and outside transportation operation's requirement sets up the ore storage of different products, as shown in fig. 1-10, different production lines produce the ore product of different model particle diameters, consequently can set up the ore storage of different products. In addition, the factors such as the type, specification, quantity, configuration form and the like of the equipment to be overhauled are considered in the determination of the overhaul facilities of each workshop, the comprehensive factors such as the level of the overhaul facilities of the same type of factories in China are referred, and the tonnage and the type of the crane are determined according to the weight of the maximum overhaul piece of the process equipment. The single-rail electric hoist with corresponding hoisting tonnage is selected for the transmission device part of the belt conveyor, and each production line is provided with an electric welder plug for maintenance and a safety power supply.
In the utility model discloses, adopt above-mentioned technology and system can be directed to these iron-bearing tailings and barren rock. Through the utility model discloses a technology is handled, can extract the iron ore that partly can utilize, and the building and the industrial grit material of four kinds of different specifications of coproduction department, the fine particle barren rock and the soil of selecting out futilely in the flow are as the ploughing of mine earthing field building and plant soil. All materials are separated and utilized after being processed by the flow, no waste is discharged, waste is changed into valuable, the occupied areas of a tailing pond and a waste dump are vacated to be used as cultivated land or construction land, a large amount of land resources are saved for the country, and potential safety hazards and environmental pollution sources are eliminated.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
Claims (8)
1. A system for processing sandstone aggregates by using waste rocks is characterized by comprising a coarse crushing production line, a primary crushing and screening production line, a secondary screening production line and a tertiary screening production line;
the coarse crushing production line comprises a raw ore inlet and a jaw crusher; the primary crushing and screening production line comprises a first double-layer vibrating screen and a cone crusher; the secondary screening production line comprises a second double-layer vibrating screen; the tertiary screening production line comprises a third single-layer vibrating screen;
the jaw crusher is connected with the first double-layer vibrating screen through a belt conveyor;
the discharge port of the crusher and the discharge port under the first double-layer vibrating screen are mixed and then are connected with the second double-layer vibrating screen through the belt conveyor;
the material outlet on the screen of the second double-layer vibrating screen and the material outlet in the screen are respectively connected with ore storage through a belt conveyor, and the material outlet under the screen of the second double-layer vibrating screen is connected with the third single-layer vibrating screen through the belt conveyor;
and the screen upper discharge port and the screen lower discharge port of the third single-layer vibrating screen are respectively connected with the ore storage through belt machines.
2. A system for processing sand and stone aggregate using waste rock as claimed in claim 1, wherein the number of jaw crushers in the coarse crushing line is one; the number of the first double-layer vibrating screens in the primary crushing and screening production line is two, and the number of the cone crushers is one; the number of the second double-layer vibrating screens in the secondary screening production line is two; the number of the third single-layer vibrating screens in the tertiary screening production line is one.
3. The system for processing sandstone aggregate by using the waste rocks as claimed in claim 2, wherein the screen middle discharge port of the first double-layer vibrating screen is connected with an ore storage through a belt conveyor after passing through a dry separation device.
4. The system for processing sandstone aggregates from waste rocks according to claim 3, wherein the discharge port of the crusher is connected with the undersize discharge port of the first double-layer vibrating screen through the second double-layer vibrating screen by a belt conveyor after being mixed with the undersize discharge port of the first double-layer vibrating screen and passing through a dry separation device.
5. The system for processing sandstone aggregates by using waste rocks according to claim 4, wherein the transmission mode of the belt conveyor is a monorail electric hoist.
6. The system for processing sandstone aggregates from waste rocks according to claim 5, wherein the coarse crushing production line, the primary crushing and screening production line, the secondary screening production line and the tertiary screening production line are all provided with electric welder plugs for maintenance.
7. The system for processing sandstone aggregate from waste stone according to claim 6, wherein the coarse crushing production line, the primary crushing and screening production line, the secondary screening production line and the tertiary screening production line are all provided with a safety power supply.
8. The system for processing sandstone aggregate from waste stone as claimed in claim 7, wherein a transfer station is further arranged between the coarse crushing production line and the primary crushing and screening production line.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115400856A (en) * | 2022-09-28 | 2022-11-29 | 中冶沈勘工程技术有限公司 | System and method for processing sandstone aggregate by using waste rocks |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115400856A (en) * | 2022-09-28 | 2022-11-29 | 中冶沈勘工程技术有限公司 | System and method for processing sandstone aggregate by using waste rocks |
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