CN104971524B - A kind of Paste thickener underflow circulation homogenizing apparatus - Google Patents
A kind of Paste thickener underflow circulation homogenizing apparatus Download PDFInfo
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- CN104971524B CN104971524B CN201510441077.7A CN201510441077A CN104971524B CN 104971524 B CN104971524 B CN 104971524B CN 201510441077 A CN201510441077 A CN 201510441077A CN 104971524 B CN104971524 B CN 104971524B
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Abstract
The present invention provides a kind of Paste thickener underflow circulation homogenizing apparatus, belongs to tailings paste and disposes and Mineral Engineering field.This device includes underflow pump, nucleon densitometer, effusion meter, four valves, homogenizer and underflow circulation line.Underflow pump one end is connected with the well that gathers materials under Paste thickener, and the other end is connected with nucleon densitometer, and nucleon densitometer is sequentially connected in series with effusion meter, valve one, homogenizer, and valve two is between effusion meter and valve one, and valve three, valve four are connected in parallel.Homogenizer is made up of flange, pipeline, stirring vane.The underflow density value that obtained in real time by nucleon densitometer, effusion meter, underflow flow value, regulated the rotating speed of underflow pump, select valve three, the switch of valve four.The Paste thickener underflow that the present invention provides homogenize circulating device simple in construction, can effectively realize the homogenizing of Paste thickener underflow, controlledization circulation, it is to avoid Paste thickener pressure rake, the generation of stopping accident.
Description
Technical field
The present invention relates to tailings paste dispose and mineral engineering field, particularly relate to a kind of Paste thickener
Underflow circulation homogenizing apparatus.
Background technology
The Ore that mining goes out is after ore-dressing practice, and the solid waste of generation is referred to as mine tailing, generally with
The form of low concentration last mortar is discharged.The discharge of low concentration Tailings Slurry usually causes environmental pollution, water money
The great number of issues such as source waste, Tailings Dam dam break, therefore crude tailings mastic technology of preparing is arisen at the historic moment, and mastic
Concentrator is the key equipment of this technology.Paste thickener can be by flocculating sedimentation effect by low concentration tailings
The high concentration crude tailings mastic that disposable dense one-tenth moisture content is low, the underflow circulating effect of Paste thickener is direct
Have influence on the regulation and control of the properly functioning of Paste thickener and underflow density.
The underflow circulation of Paste thickener is usually: crude tailings underflow is released bottom Paste thickener, the end of by
Underflow is again squeezed into inside Paste thickener by stream pump by pipeline, makes underflow constantly be circulated, it is to avoid because of
Mastic underflow density is uneven and cause that concentrator pressure rake shutdown, conveyance conduit blocking, concentration are difficult to control to etc. is asked
Topic.And high-concentration underflow can not effectively be regulated and controled by existing Paste thickener underflow endless form, time
Often result in the generation of concentrator pressure rake stopping accident, need a kind of effective Paste thickener underflow circulation homogenizing badly
Gasifying device.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Paste thickener underflow circulation homogenizing apparatus, uses
The homogenizing of underflow, fluidization loop control during mastic is dense.
This device include underflow pump, nucleon densitometer, effusion meter, valve one, valve two, homogenizer,
Valve three, valve four and underflow circulation line, underflow pump one end is connected with the well that gathers materials under Paste thickener,
The underflow pump other end is sequentially connected in series with nucleon densitometer, effusion meter, valve one, homogenizer, valve
Two between effusion meter and valve one, and valve three, valve four are connected in parallel, valve three and Paste thickener
Bottom connects, and valve four is connected with Paste thickener top, and valve three and valve four are connected with homogenizer.
Wherein, homogenizer includes flange, pipeline and stirring vane, and stirring vane is positioned at pipe interior, pipe
Two ends, road are equipped with flange, and homogenizer is arranged on the circulation line between valve one and valve three, valve four.
Internal diameter of the pipeline is between 200mm～400mm, and stirring vane is that wear-resistant material is made.
Nucleon densitometer, testing flow meter underflow mass concentration scope 63%～76%.
Underflow density value that this device is obtained in real time by nucleon densitometer, effusion meter, underflow flow value, adjust
The rotating speed of joint underflow pump and valve three, the switch of valve four.
Having the beneficial effect that of the technique scheme of the present invention:
In such scheme, obtain Paste thickener underflow by the measuring instrument being installed on pipeline and join in real time
Number, corresponding regulation underflow flow, selection high-low-position circulation, and homogenize by installing on underflow pipeline
Device realizes the loop control that homogenizes of underflow further.This device is simple, reliable, can effectively solve mastic
A difficult problem for thickener underflow loop control.
Accompanying drawing explanation
Fig. 1 is the Paste thickener underflow circulation homogenizing apparatus structural representation of the present invention；
Fig. 2 is that the Paste thickener underflow of the present invention circulates the structural representation of homogenizer in homogenizing apparatus
Figure.
Wherein: 1-Paste thickener；2-gathers materials well；3-underflow pump；4-nucleon densitometer；5-effusion meter；
6-valve one；7-valve two；8-homogenizer；9-valve three；10-valve four；11-flange；12-pipeline；
13-stirring vane.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The present invention is directed to existing Paste thickener underflow endless form can not effectively high-concentration underflow be entered
The problems such as row regulation and control, it is provided that a kind of Paste thickener underflow circulation homogenizing apparatus.
As it is shown in figure 1, this device include underflow pump 3, nucleon densitometer 4, effusion meter 5, valve 1,
Valve 27, homogenizer 8, valve 39, valve 4 10 and underflow circulation line, underflow pump 3 one end
It is connected with the well 2 that gathers materials under Paste thickener 1, underflow pump 3 other end and nucleon densitometer 4, effusion meter
5, valve 1, homogenizer 8 are sequentially connected in series, and valve 27 is positioned at effusion meter 5 and valve 1
Between, valve 39, valve 4 10 are connected in parallel, and valve 39 is connected bottom Paste thickener 1,
Valve 4 10 is connected with Paste thickener 1 top, and valve 39 and valve 4 10 are connected with homogenizer 8.
As in figure 2 it is shown, homogenizer 8 includes flange 11, pipeline 12 and stirring vane 13, stirring vane
13 are positioned at pipeline 12 inside, and pipeline 12 two ends are equipped with flange 11, and pipeline 12 internal diameter is at 200mm～400mm
Between, stirring vane 13 is made for wear-resistant material.
In conjunction with Fig. 1 and Fig. 2, homogenizer 8 is arranged between valve 1 and valve 39, valve 4 10
Circulation line on.
Embodiment 1
As it is shown in figure 1, low concentration crude tailings is starched after Paste thickener 1 is dense, high concentration crude tailings underflow
Through gathering materials, well 2 is discharged, underflow pump 3 constantly circulate in circulation line is delivered to concentrator.
In course of conveying, obtain underflow density value by nucleon densitometer 4, when underflow density exists
When 69%～71%, regulating underflow pump 3 rotating speed, making effusion meter 5 reading is 50m3/ h～1003/ h, closes valve closing
Door 27, open valve 1, make crude tailings underflow flow through in homogenizer 8, the pipeline of homogenizer 8
12 internal diameters are 220mm, by stirring vane 13, open valve 39, close valve 4 10, it is achieved the end
The low level of stream concentration homogenizes circulation.During this, nucleon densitometer 4, the reading of effusion meter 5 data,
The regulation of underflow pump 3, valve 1, valve 27, valve 39, the switch of valve 4 10 all can pass through
Remote computation controls to realize automation mechanized operation.
Wherein, valve 1, valve 27, valve 39 and valve 4 10 are operated pneumatic valve.
Embodiment 2
As it is shown in figure 1, low concentration crude tailings is starched after Paste thickener 1 is dense, high concentration crude tailings underflow
Through gathering materials, well 2 is discharged, underflow pump 3 constantly circulate in circulation line is delivered to concentrator.
In course of conveying, obtain underflow density value by nucleon densitometer 4, when underflow density exists
When 71%～75%, regulate underflow pump 3 rotating speed, make effusion meter 5 reading more than 1003/ h, closedown valve 27,
Open valve 1, make crude tailings underflow flow through in homogenizer 8, pipeline 12 internal diameter of homogenizer 8
For 250mm, it is stirred homogenizing to underflow by stirring vane 13, closes valve 39, open valve
Door 4 10 a, it is achieved high position for underflow density homogenizes circulation.During this, nucleon densitometer 4, effusion meter
The reading of 5 data, the regulation of underflow pump 3, valve 1, valve 27, valve 39, valve 4 10
Switch all can control to realize automation mechanized operation by remote computation.
Wherein, valve 1, valve 27, valve 39 and valve 4 10 are electrically operated valve.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (1)
1. Paste thickener underflow circulation homogenizing apparatus, it is characterised in that: include underflow pump (3),
Nucleon densitometer (4), effusion meter (5), valve one (6), valve two (7), homogenizer (8), valve
Door three (9), valve four (10) and underflow circulation line, underflow pump (3) one end and Paste thickener (1)
Under the well that gathers materials (2) connect, underflow pump (3) other end and nucleon densitometer (4), effusion meter (5),
Valve one (6), homogenizer (8) are sequentially connected in series, valve two (7) be positioned at effusion meter (5) with
Between valve one (6), valve three (9), valve four (10) are connected in parallel, valve three (9) and mastic
Concentrator (1) bottom connects, and valve four (10) is connected with Paste thickener (1) top, valve three (9)
It is connected with homogenizer (8) with valve four (10)；
Described homogenizer (8) includes flange (11), pipeline (12) and stirring vane (13), stirring
It is internal that blade (13) is positioned at pipeline (12), and pipeline (12) two ends are equipped with flange (11), homogenizer
(8) it is arranged on the circulation line between valve one (6) and valve three (9), valve four (10)；
Described nucleon densitometer (4), effusion meter (5) test the mass concentration scope of underflow 63%～76%；
Described pipeline (12) internal diameter is between 200mm～400mm, and stirring vane (13) is wear-resisting material
Matter is made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510441077.7A CN104971524B (en) | 2015-07-24 | 2015-07-24 | A kind of Paste thickener underflow circulation homogenizing apparatus |
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| CN201510441077.7A CN104971524B (en) | 2015-07-24 | 2015-07-24 | A kind of Paste thickener underflow circulation homogenizing apparatus |
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| CN104971524B true CN104971524B (en) | 2017-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106861245B (en) * | 2015-12-10 | 2020-03-31 | 飞翼股份有限公司 | Thickener underflow concentration governing system |
| CN106546660B (en) * | 2016-10-17 | 2019-12-03 | 北京金诚信矿山技术研究院有限公司 | A kind of detection system of thickener underflow concentration |
| CN108553952B (en) * | 2018-04-13 | 2021-04-06 | 北京科技大学 | Paste thickener with self-adaptive control of underflow concentration and accurate monitoring and control method |
| CN112028193B (en) * | 2020-09-04 | 2022-07-12 | 山西绿洁环保有限公司 | Industrial sewage treatment device capable of automatically cleaning based on 5G technology |
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| CN201135796Y (en) * | 2007-12-25 | 2008-10-22 | 中国恩菲工程技术有限公司 | Deep-cone thickener |
| CN104784982B (en) * | 2015-04-07 | 2016-08-17 | 中钢集团马鞍山矿山研究院有限公司 | A kind of energy-saving deep cone thickener being suitable to fine granularity Tailings Disposal |
| CN205007647U (en) * | 2015-07-24 | 2016-02-03 | 北京科技大学 | Lotion thickener underflow circulation homogenization device |
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