CN210023213U - Zero-emission tailing treatment system - Google Patents

Abstract

A sewage pool, a tri-hydrogen purifying body, heavy metal filtering equipment and a clean water pool are sequentially connected behind a first outlet of a tailing dry discharging machine, a box-type filter press is connected to a solid outlet of the tri-hydrogen purifying body, a crushing device, a fine sand recycling machine, a high-pressure membrane filter press, drying equipment and a storage bin are sequentially connected behind a second outlet of the tailing dry discharging machine, and a liquid outlet of the high-pressure membrane filter press is connected with the sewage pool through a pipeline. Can separate the tailings, filter, the water of separating the tailings is filtered and becomes to accord with national emission standard, can carry out recycle or direct discharge to it, carry out crushing treatment, screening, filter-pressing and stoving to the solid of separating from the tailings, make it become likepowder material, collect it and can regard as the raw materials of cement manufacture, sell it, in order to reach reduce cost's purpose, the purpose of tailings zero release processing that has also reached simultaneously, the environment is protected, the waste of resource has been avoided.

Description

Zero-emission tailing treatment system

Technical Field

The utility model relates to an environmental protection and mechanical manufacturing technical field specifically are a tailing zero release processing system.

Background

The metal used in daily life is extracted from ore, and tailings are generated in the extraction of the ore, so the tailings are the waste discharged after ore is ground and useful components are selected by a dressing plant under specific economic and technical conditions, and the waste generally exists in the forms of ore pulp and sand washing tail water. At present, most tailings are treated in three ways, wherein the first way is to build a thickener in or near a dressing plant, overflow of the thickener is used as return water to return to the dressing plant for reuse, the bottom flow of the thickener is automatically pumped or piped to a tailing pond or a tailing dam for stockpiling, and clear water of the tailing pond or the tailing dam is returned to the dressing plant for reuse or is discharged after being treated to reach the standard. The second process is that the tailing pulp is directly discharged into a tailing pond or a tailing dam without a pump or a pipeline for concentration, and clear water of the tailing pulp is returned to a concentrating mill for reuse or is discharged after reaching the standard after being treated. The third process is that after the tailing pulp is backwashed before the thickener, the underflow of the thickener is treated by a filter or a filter press, the filtered or filter-pressed filtrate is returned to the thickener, and the filter cake is transported to a tailing yard by an automobile or a transport belt and the like for dry-stacking treatment. However, these several modes are difficult to operate and maintain, inconvenient to install, large in occupied area, incapable of achieving the purpose of effective recycling of tailings and incapable of effectively reducing the production cost, so that the utility model provides a zero-emission tailing treatment system to solve the problems.

SUMMERY OF THE UTILITY MODEL

To the situation, for overcoming prior art's defect, the utility model aims at providing a tailing zero release processing system, can recycle the tailing, improve the utilization ratio of resource to reach reduce cost's purpose, simultaneously the utility model is simple in operation, simple to operate area is little, can realize the purpose of the zero release of tailing.

The technical scheme is that the tailing zero-emission treatment system comprises a tailing dry discharging machine, a sewage pool, a trihydrogen purifying body, a clean water pool, a chamber type filter press, crushing equipment, a fine sand recycling machine, a high-pressure diaphragm filter press, drying equipment and a storage bin, wherein a first outlet of the tailing dry discharging machine is connected with the sewage pool through a pipeline, the sewage pool is connected with the trihydrogen purifying body through a pipeline, a liquid outlet of the trihydrogen purifying body is connected with the clean water pool through a first pipeline, heavy metal filtering equipment is arranged on the first pipeline, a belt conveying mechanism for conveying materials in the trihydrogen purifying body to the chamber type filter press is arranged between a solid outlet of the trihydrogen purifying body and the chamber type filter press, a belt conveying mechanism for conveying the materials in the tailing dry discharging machine to the crushing equipment is arranged between a second outlet of the tailing dry discharging machine and the crushing equipment, be equipped with the belt transport mechanism who conveys the material in the crushing equipment among the fine sand recovery machine between crushing equipment and the fine sand recovery machine, be equipped with the belt transport mechanism who conveys the material in the fine sand recovery machine among the high-pressure membrane pressure filter between fine sand recovery machine and the high-pressure membrane pressure filter, the liquid outlet of high-pressure membrane pressure filter passes through the pipeline and is connected with the effluent water sump, be equipped with the belt transport mechanism who conveys the material in the high-pressure membrane pressure filter among the drying equipment between the solid export of high-pressure membrane pressure filter and the drying equipment, be equipped with the belt transport mechanism who conveys the material in the drying equipment among the storage silo between drying equipment and the storage silo.

The utility model has the advantages that: can provide a tailing zero release processing system, can separate the tailing, filter, the screening, the water of separating the tailing is filtered and is become to accord with national emission standard, can carry out recycle or direct emission to it, carry out crushing treatment to the solid of separating from the tailing, the screening, filter-pressing and stoving, make it become likepowder material, collect it and can regard as the raw materials of cement production, sell it, in order to reach reduce cost's purpose, the purpose of tailing zero release processing that has also reached simultaneously, the environment is protected, the waste of resource has been avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, a zero-emission tailing treatment system comprises a tailing dry discharging machine 1, and is characterized by further comprising a sewage tank 2, a trihydrogen purifying body 3, a clean water tank 5, a chamber filter press 6, a crushing device 7, a fine sand recycling machine 8, a high-pressure membrane filter press 9, a drying device 10 and a storage bin 11, wherein a first outlet of the tailing dry discharging machine 1 is connected with the sewage tank 2 through a pipeline, the sewage tank 2 and the trihydrogen purifying body 3 are connected through a pipeline, a liquid outlet of the trihydrogen purifying body 3 is connected with the clean water tank 5 through a first pipeline, a heavy metal filtering device 4 is arranged on the first pipeline, a belt conveying mechanism for conveying materials in the trihydrogen purifying body 3 to the chamber filter press 6 is arranged between a solid outlet of the trihydrogen purifying body 3 and the chamber filter press 6, and a belt conveying mechanism for conveying materials in the tailing dry discharging machine 1 to the crushing device 7 is arranged between a second outlet of the tailing dry discharging machine 1 and the crushing device 7 A belt conveying mechanism for conveying materials in the crushing device 7 to the fine sand recycling machine 8 is arranged between the crushing device 7 and the fine sand recycling machine 8, a belt conveying mechanism for conveying the materials in the fine sand recycling machine 8 to the high-pressure membrane filter press 9 is arranged between the fine sand recycling machine 8 and the high-pressure membrane filter press 9, a liquid outlet of the high-pressure membrane filter press 9 is connected with a sewage tank through a pipeline, a belt conveying mechanism for conveying the materials in the high-pressure membrane filter press 9 to the drying device 10 is arranged between a solid outlet of the high-pressure membrane filter press 9 and the drying device 10, and a belt conveying mechanism for conveying the materials in the drying device 10 to the storage bin 11 is arranged between the drying device 10 and the storage bin 11.

The tail mortar is sent into a tailing dry discharging machine 1 through mechanical equipment, the tailing dry discharging machine 1 divides the tail mortar into tail sand and sewage, the sewage is sent into a sewage tank 2 through a pipeline, the sewage in the sewage tank 2 is sent into a trihydrogen purifying body 3 through a pump, the trihydrogen purifying body 3 further performs mud-water separation on the sewage, the equipment is designed based on the gravity settling principle, the ore pulp wastewater with the solid content of 2-10% can be settled through gravity to be improved into mud with the concentration of 30-50%, the subsequent dry discharging treatment is convenient, the water separated by the trihydrogen purifying body 3 is sent into a heavy metal filtering device 4, the heavy metal filtering device is used for filtering the heavy metal, the filtered heavy metal can be recycled as a material, the production efficiency is improved, the production cost is reduced, the water filtered by the heavy metal filtering device 4 is sent into a clean water tank 5 through a pipeline, and the quality of the purified water body can reach the national discharge standard, can also be recycled to realize zero discharge of the production wastewater. The tailings separated by the tailing dry discharging machine 1 are conveyed to a crushing device 7 through a belt conveying mechanism for crushing treatment, the tailings are crushed into finer particles, the crushed materials are conveyed to a fine sand recycling machine 8 through the belt conveying mechanism for screening, the particles are screened out in a larger size, the materials screened by the fine sand recycling machine 8 are conveyed into a high-pressure membrane filter press 9 by a belt conveying mechanism for filter pressing so as to further reduce the water content, sewage generated in the high-pressure membrane filter press 9 is conveyed into a sewage pool through a pipeline for subsequent purification treatment, the materials which are subjected to filter pressing by the high-pressure membrane filter press 9 are conveyed into a drying device 10 by the belt conveying mechanism for drying so as to be dried, so as to be stored, and prevent the materials from being agglomerated into blocks and causing waste in the storage process, the materials dried by the drying device 10 are conveyed to the storage bin 11 by the belt conveying mechanism for storage. The materials after filter pressing and drying can be used as raw materials of cement products, the cement products can be sold to achieve the purpose of reducing cost, meanwhile, the purpose of zero emission treatment of tailings is achieved, the environment is protected, and resource waste is avoided.

The utility model has the advantages that: can provide a tailing zero release processing system, can separate the tailing, filter, the screening, the water of separating the tailing is filtered and is become to accord with national emission standard, can carry out recycle or direct emission to it, carry out crushing treatment to the solid of separating from the tailing, the screening, filter-pressing and stoving, make it become likepowder material, collect it and can regard as the raw materials of cement production, sell it, in order to reach reduce cost's purpose, the purpose of tailing zero release processing that has also reached simultaneously, the environment is protected, the waste of resource has been avoided.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims (1)

1. A zero-emission tailing treatment system comprises a tailing dry discharging machine (1) and is characterized by further comprising a sewage pool (2), a trihydrogen purifying body (3), a clean water pool (5), a chamber type filter press (6), crushing equipment (7), a fine sand recycling machine (8), a high-pressure membrane filter press (9), drying equipment (10) and a storage bin (11), wherein a first outlet of the tailing dry discharging machine (1) is connected with the sewage pool (2) through a pipeline, the sewage pool (2) is connected with the trihydrogen purifying body (3) through a pipeline, a liquid outlet of the trihydrogen purifying body (3) is connected with the clean water pool (5) through a first pipeline, heavy metal filtering equipment (4) is arranged on the first pipeline, a belt conveying mechanism for conveying materials in the trihydrogen purifying body (3) into the chamber type filter press (6) is arranged between a solid outlet of the trihydrogen purifying body (3) and the chamber type filter press (6), a belt conveying mechanism for conveying the materials in the dry tailing discharging machine (1) to the crushing equipment (7) is arranged between the second outlet of the dry tailing discharging machine (1) and the crushing equipment (7), a belt conveying mechanism for conveying the materials in the crushing equipment (7) to the fine sand recycling machine (8) is arranged between the crushing equipment (7) and the fine sand recycling machine (8), a belt conveying mechanism for conveying the materials in the fine sand recycling machine (8) to the high-pressure membrane filter press (9) is arranged between the fine sand recycling machine (8) and the high-pressure membrane filter press (9), a liquid outlet of the high-pressure membrane filter press (9) is connected with a sewage pool through a pipeline, a belt conveying mechanism for conveying the materials in the high-pressure membrane filter press (9) to the drying equipment (10) is arranged between a solid outlet of the high-pressure membrane filter press (9) and the drying equipment (10), and a belt conveying mechanism for conveying the materials in the drying equipment (10) to the storage bin (11) is arranged between the drying equipment (10) and the storage bin (11).

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