Beneficiation plant design is the general plan of the building (workshop production, assisted workshop) within the designated construction areas, structures, open yard, transportation routes, pipelines, power facilities and greening as a comprehensive and rational layout, comprehensive utilization and environment And the terrain conditions, occupying the site area as little as possible, saving investment and creating a unified building group that meets the requirements of mineral processing.
The plant equipment configuration is based on the terrain, series division, material flow transport and equipment operation, maintenance needs and other conditions, the main process and auxiliary equipment and equipment for carrying out the production process and undertaking the production tasks are reasonably arranged in the workshop.
General Plane I. Basic Principles of Concentrator Plant Composition and General Plane Arrangement The beneficiation plant is the place where the beneficiation production process and people work. The plant consists of crushing and screening plant, washing workshop, heavy medium workshop, main workshop, concentrate dewatering workshop, packaging and batching workshop, various mining warehouses, belt conveyor corridors, transfer stations, pumping stations, pharmaceutical preparation rooms, Laboratory and laboratory, machine repair workshop, electric repair workshop, material warehouse, tailings pond, etc. These are determined by the production process and are the basis for the overall layout. Understanding and mastering the functions and technical performance characteristics of each plant and facility, the interconnection between the plant and the plant and its requirements for the general layout are the basis for rational arrangement. General layout principle:
(1) The characteristics and requirements of the production line must be fully considered, the terrain should be fully utilized, and the vertical layout should be rationally selected to reduce the amount of earthwork and construction work, create conditions for gravity flow, minimize material transportation, and reduce return and repetitive transportation. Avoid the intersection of goods flow and people flow.
(2) Saving land and engineering investment, construction and structure layout should be compact and reasonable, and public facilities should be considered comprehensively. All pipelines should adopt common pole, common trench and common frame arrangement under the conditions allowed by technology.
(3) Engineering geology must meet the conditions for the construction of the plant, and must not be arranged in faulty areas such as faults, landslides, karst caves and mudslides.
(4) The power supply device, substation, air compressor room, and water supply station should be close to the center of service; the forging workshop should consider the materials and transportation convenience, and should not be placed in the front area of ​​the plant and should not be quiet. environmental impact, avoid western exposure, natural ventilation is better; drop hammer workshop should be arranged in the factory remote location, near the scrap iron processing plant can maintain the necessary safety distance from other buildings; machining, assembly, machine repair, electrical repair shop should close The service of the load center and the stock preparation workshop; the laboratory, the laboratory, the preparation room, the lime storage, the lime milk preparation room, the drying plant, the coal yard, etc., in addition to the consideration of facilitating production relations, but also consider the wind direction, For fire prevention, sanitation, etc., workshops with similar production properties, fire prevention and sanitation requirements shall be arranged on the same site; wood processing workshops, log yards, sheet storage and drying facilities shall be arranged in a centralized manner and shall be appropriately The storage area and convenient loading and unloading conditions should be kept away from flammable locations. The model library can be arranged adjacent to the foundry workshop; the storage tank area should have convenient transportation. The transportation conditions and fire lanes are far away from the open flame production and are arranged in remote areas with low terrain; the electroplating workshop should consider the sewage treatment structure, the location of the acid storage and the storage site, and the convenient conditions for sewage discharge, which should be arranged adjacent to the machining workshop and should not be close. A large number of dust-producing lots; warehouses with large storage and stacking sites should be as close as possible to external railways or highways, located on the edge of industrial sites, and close to the main workshops they serve. [next]
(5) Reasonably reserve development land, and have a full estimate of its possibility.
(6) Properly handle the collaborative relationship with external companies and regions.
(7) The living welfare area should be arranged in the upwind direction of the dominant wind direction of the factory area. Nursery schools, canteens, bathrooms, etc. should take care of the upper and lower classes and use them as convenient as possible.
The following are two examples of the general planes for the construction of a sloping land and the construction of a plant, which can reflect the basic principles of the arrangement. See the next two figures for details.
Second, the production plant layout form
The layout of the production plant can be roughly classified into three types; that is, multi-layer, single-layer and single-layer-multilayer hybrid. It depends on the slope of the terrain, the area, the device dimensions, the number of devices, weight, required by the mine, the mine discharge characteristics, material storage, dispensing ore bin is provided, the condition of the material, technology and capital requirements and other factors.
1. Multi-layer layout According to the process, the subsequent operation equipment is arranged layer by layer, the mainstream material is transported by itself, and the intermediate products that need to be returned to the treatment can be completed by lifting transportation equipment , which is mostly used for flat construction, mostly open circuit, since there are The product is returned with less amount and return points. The original mine silo can be located underground, and the original mine is upgraded to the required height by the transporter. The following situations are also multi-layered arrangements. For example, a large gyratory crusher and a feeding and discharging equipment unit form a unit, which is arranged on a steep slope section. The taller units must be provided with multi-layer platform services, and the ore mine is placed at the highest level of the unit. Location, ore or car transportation is directly discharged into the receiving bin through the carriage. The successor equipment of the unit is arranged in the downward direction according to the direction of the ore flow, and finally transported out from the lower end of the unit by the belt conveyor. The advantage of multi-layer layout is that the plant has a small footprint, which is conducive to material flow and simplifies the material transportation process. However, the plant height is high, the structure is complex, the building requirements are high, and the multi-layer layout is often used in coal washing plants and re-election plants. Grading—Selecting inter-span, heavy-medium workshops, washing workshops, magnetic separation spans, large-scale spiral-breaking sections, and multi-stage open-circuit crushing.

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2. Single-layer layout Whether it is gentle slope terrain or flat terrain, single-layer layout should focus on promoting the slurry self-flow, and arrange the working equipment in order of flow and material flow from high to numerous single layers in carefully considered. On a different basis (basic), the main ore flow is transported as far as possible, and the return product of the self-flow cannot be realized. It is difficult for large-scale concentrators to find sloping land suitable for single-story stepped layout because the required sloping site area is too large. With the large-scale equipment, hydrocyclones instead of spiral classifiers and other modernization processes, large-scale concentrators often use flat layout.
3. Hybrid layout is used in the design, both before and after

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