CN107694159B - Ore dressing plant accident ore pulp processing system - Google Patents
Ore dressing plant accident ore pulp processing system Download PDFInfo
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- CN107694159B CN107694159B CN201711047218.2A CN201711047218A CN107694159B CN 107694159 B CN107694159 B CN 107694159B CN 201711047218 A CN201711047218 A CN 201711047218A CN 107694159 B CN107694159 B CN 107694159B
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- ore pulp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0042—Baffles or guide plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2444—Discharge mechanisms for the classified liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
Abstract
The invention relates to an accident ore pulp processing system of a dressing plant, which consists of an ore pulp conveying system and an ore pulp processing system; the ore pulp conveying system comprises an ore pulp pump pit, an ore pulp ditch communicated with the ore pulp pump pit, and two slurry pumps A and B arranged in the ore pulp pit, wherein a guide rail is arranged above the ore pulp pump pit, and the slurry pumps A and B are suspended on the guide rail through a guide chain and a chain block in a suspension installation mode; the ore pulp processing system comprises a sedimentation tank, a clarifying liquid tank connected with one end of the sedimentation tank through a connecting dike, a submersible pump arranged in the clarifying liquid tank, an overflow hole arranged on the connecting dike, an outlet ore pulp of the slurry pump A returns to the flow, and an outlet ore pulp of the slurry pump B is conveyed to the sedimentation tank of the ore pulp processing system outside the flow. The invention can effectively recycle the accident ore pulp of the concentrating mill and can effectively ensure the production environment of the concentrating mill.
Description
Technical Field
The invention belongs to the technical field of accident pulp treatment of a dressing plant, and particularly relates to an accident pulp treatment system of the dressing plant.
Background
At present, production accidents often occur in the production process of a concentrating mill due to reasons of operation errors, equipment faults, accident power failure and the like, and when the accidents occur, various ore pulps can emerge from various devices. The leaked ore pulp not only affects the production environment of the concentrating mill, but also causes the loss of useful minerals if not used, thereby affecting the final recovery rate of the useful minerals and reducing the production benefit of the concentrating mill. Therefore, there is a need to develop an accident pulp processing system for a concentrating mill, which can effectively recycle the accident pulp of the concentrating mill and effectively ensure the production environment of the concentrating mill.
Disclosure of Invention
The invention aims to provide an accident ore pulp processing system of a concentrating mill, which can effectively recycle accident ore pulp of the concentrating mill and effectively ensure the production environment of the concentrating mill.
The accident ore pulp processing system of the concentrating mill is realized by the following technical scheme:
the invention discloses a system for handling accidents of a concentrating mill, which is characterized in that: the device consists of an ore pulp conveying system and an ore pulp processing system;
the ore pulp conveying system comprises an ore pulp pump pit, an ore pulp ditch communicated with the ore pulp pump pit, and two slurry pumps A and B arranged in the ore pulp pit, wherein a guide rail is arranged above the ore pulp pump pit, and the slurry pumps A and B are suspended on the guide rail through a guide chain and a chain block in a suspension installation mode;
the ore pulp treatment system comprises a sedimentation tank, a clarified liquid tank connected with one end of the sedimentation tank through a connecting dike, a submersible pump arranged in the clarified liquid tank, and an overflow hole arranged on the connecting dike;
and the outlet pulp of the slurry pump A returns to the inside of the flow, and the outlet pulp of the slurry pump B is conveyed to a sedimentation tank of the pulp treatment system outside the flow.
The slurry pump A and the slurry pump B are both submersible vertical slurry pumps, and the protection grade of a motor of the submersible vertical slurry pump is IP68.
Be equipped with the level gauge in the ore pulp pump hole to be equipped with liquid level elevation, its liquid level elevation divide into three grade, high liquid level and superelevation liquid level and low liquid level, slurry pump A starts when high liquid level, and slurry pump B starts during the superelevation liquid level, and two slurry pumps all shut down during the low liquid level.
The liquid level of the liquid level meter, the slurry pump A and the slurry pump B are all connected with an automatic control system.
The feed end of the sedimentation tank is provided with an inclined plate, and the slurry from the outlet of the slurry pump B is fed onto the inclined plate. The length of the sedimentation tank is 40 m-50 m, the length of the clarifying liquid tank is 5 m-10 m,
the inner diameter of the overflow hole is 200-300mm.
The overflow hole is also provided with a trapezoidal round platform plug.
The invention has the advantages that:
(1) Because the slurry pump pit is internally provided with the slurry pump A and the slurry pump B, and the two slurry pumps are submersible slurry pumps, the whole pump body including the motor can be partially or completely submerged into the slurry, the depth of the slurry pump pit is not limited by the structural form of the pump, the volume of the slurry pump pit is greatly increased, and the processing capacity of the slurry pump is increased;
(2) The slurry pump adopts a suspension installation mode, the depth of the slurry pump in a pump pit can be controlled through the guide chain, and the working form of the slurry pump is effectively ensured to be vertical, so that the operation is simple;
(3) According to the slurry pump, two slurry pumps are installed in one pump pit, and by means of linkage control of the liquid level and starting and stopping of the slurry pump A and the slurry pump B, when the sewage quantity is small, a single pump is started at a high liquid level when the liquid level is high, and slurry is returned to the flow; the single pump treatment capacity is not enough, when the liquid level of the pump pit continues to rise to a high liquid level, the two pumps work, and the pulp which cannot be treated by the single pump is conveyed to the pulp treatment system outside the flow path through the slag-slurry pump started after the two pumps work. The whole control is automatic control, and the automation degree is high;
(4) The length of the sedimentation tank is 40-50m, and the length is enough to ensure that solid mineral particles are fully settled when accident ore pulp flows into the sedimentation tank from one end of the sedimentation tank to the other end of the sedimentation tank, so that the quality of clarified liquid in a clarified liquid tank can be effectively ensured to reach the circulating water standard, thereby recycling and saving the consumption of new water;
(5) The inclined plate is arranged at the feeding end of the sedimentation tank, so that the initial sedimentation speed of accident ore pulp is greatly accelerated, the sedimentation effect of the ore pulp is effectively ensured, and the quality of clarified liquid is favorably ensured;
(6) Through blocking up the overflow hole on the connection dyke in sedimentation tank and clarification liquid pond, can adjust the overflow surface height that clarification liquid overflowed to the clarification liquid pond from the sedimentation tank to can adjust the quality of water of overflow water, thereby further guarantee the quality of overflow water.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 isbase:Sub>A view A-A of FIG. 1 of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the accident handling system of the concentrating mill of the present invention is characterized in that: the device consists of an ore pulp conveying system and an ore pulp processing system;
the ore pulp conveying system comprises an ore pulp pump pit 2, an ore pulp ditch 1 communicated with the ore pulp pump pit 2, and two slurry pumps A and B arranged in the ore pulp pit, wherein a guide rail 5 is arranged above the ore pulp pump pit 2, and the slurry pumps A and B are suspended on the guide rail 5 through a guide chain 3 and a chain block 4 in a suspension installation mode; the slurry pump A and the slurry pump B are both submersible vertical slurry pumps, and the protection grade of a motor is IP68. Because the slurry pump pit is internally provided with the slurry pump A and the slurry pump B, and the two slurry pumps are submersible slurry pumps, the whole pump body including the motor can be partially or completely submerged in the slurry, the depth of the slurry pump pit is not limited by the structural form of the pump, the volume of the slurry pump pit is greatly increased, and the processing capacity of the slurry pump is increased.
The ore pulp treatment system comprises a sedimentation tank 6, a clarified liquid tank 8 connected with one end of the sedimentation tank 6 through a connecting dike 11, a submersible pump 9 arranged on the clarified liquid tank 8, and an overflow hole 12 on the connecting dike 11. The length of the sedimentation tank 6 is 40 m-50 m, and the length of the sedimentation tank 6 is enough to ensure that solid mineral particles are fully settled when accident ore pulp flows into the sedimentation tank from one end of the sedimentation tank 6 to the other end of the sedimentation tank. The length of the clarifying liquid pool is 5 m-10 m, so that the quality of the clarifying liquid in the clarifying liquid pool 8 can be effectively ensured to reach the circulating water standard, the clarifying liquid can be recycled, and the new water consumption can be saved.
The inclined plate 10 is arranged at the feeding end of the sedimentation tank 6, and the inclined plate 10 greatly accelerates the initial sedimentation speed of accident ore pulp, so that the sedimentation effect of the ore pulp is effectively ensured, and the quality of clarified liquid is favorably ensured.
The outlet pulp 13 of the slurry pump A returns to the flow, and the outlet pulp 14 of the slurry pump B is conveyed to the sedimentation tank 6 of the pulp treatment system outside the flow.
According to the invention, a liquid level meter 7 is arranged in the pulp pump pit 2, the liquid level elevation is arranged and is divided into three equal levels, namely a high liquid level H, an ultrahigh liquid level H1 and a low liquid level L, a slurry pump A is started when the liquid level is H, a slurry pump B is started when the liquid level is H1, and two slurry pumps are stopped when the liquid level is L.
The liquid level of the liquid level meter, the slurry pump A and the slurry pump B are all connected with an automatic control system. The automation degree of the whole system is high.
The inner diameter of the overflow hole 12 is 200-300mm. The overflow hole 12 is also provided with a trapezoidal truncated cone plug. Through blocking up the overflow hole on the connection dyke of sedimentation tank and clarified liquid pond, can adjust the overflow face height that clarified liquid overflows to clarified liquid pond from the sedimentation tank to can adjust the quality of water of overflow water, thereby further guarantee the quality of overflow water.
Claims (3)
1. An accident processing system of a dressing plant consists of an ore pulp conveying system and an ore pulp processing system;
the ore pulp conveying system comprises an ore pulp pump pit, an ore pulp ditch communicated with the ore pulp pump pit, and a slurry pump A and a slurry pump B which are arranged in the ore pulp pit, wherein a guide rail is arranged above the ore pulp pump pit, and the slurry pump A and the slurry pump B are suspended on the guide rail through a guide chain and a chain block in a suspension installation mode;
the method is characterized in that: the ore pulp treatment system comprises a sedimentation tank, a clarified liquid tank connected with one end of the sedimentation tank through a connecting dike, a submersible pump arranged in the clarified liquid tank, and an overflow hole arranged on the connecting dike;
the outlet pulp of the slurry pump A returns to the inside of the flow, and the outlet pulp of the slurry pump B is conveyed to a sedimentation tank of a pulp treatment system outside the flow;
a liquid level meter is arranged in the ore pulp pump pit, a liquid level elevation is arranged, the liquid level elevation is divided into three grades, namely a high liquid level, an ultrahigh liquid level and a low liquid level, a slurry pump A is started when the liquid level is high, a slurry pump B is started when the liquid level is ultrahigh, and two slurry pumps are stopped when the liquid level is low;
the feeding end of the sedimentation tank is provided with an inclined plate,
the length of the sedimentation tank is 40 m-50 m, and the length of the clear liquid tank is 5 m-10 m; the overflow hole is also provided with a trapezoidal round platform plug;
the slurry pump A and the slurry pump B are both submersible vertical slurry pumps, and the protection grade of a motor of the submersible vertical slurry pump is IP68.
2. The concentrator accident management system of claim 1, wherein: the liquid level meter, the slurry pump A and the slurry pump B are all connected with an automatic control system.
3. The concentrator accident management system of claim 1, wherein: the inner diameter of the overflow hole is 200-300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711047218.2A CN107694159B (en) | 2017-10-31 | 2017-10-31 | Ore dressing plant accident ore pulp processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711047218.2A CN107694159B (en) | 2017-10-31 | 2017-10-31 | Ore dressing plant accident ore pulp processing system |
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| CN107694159A CN107694159A (en) | 2018-02-16 |
| CN107694159B true CN107694159B (en) | 2023-03-24 |
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| CN201711047218.2A Active CN107694159B (en) | 2017-10-31 | 2017-10-31 | Ore dressing plant accident ore pulp processing system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108980053A (en) * | 2018-09-19 | 2018-12-11 | 中冶北方（大连）工程技术有限公司 | Ore dressing station-service sewage pump |
| CN109163220A (en) * | 2018-09-21 | 2019-01-08 | 赤峰山金红岭有色矿业有限责任公司 | A kind of beneficiation tailing transportation system and delivery method |
| CN110614048A (en) * | 2019-09-03 | 2019-12-27 | 云南大红山管道有限公司 | Pulp head and pulp tail cleaning system and cleaning method for pulp pipeline |
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| CN107694159A (en) | 2018-02-16 |
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