CN104971524A - Paste thickener bottom flow circulation homogenizing device - Google Patents
Paste thickener bottom flow circulation homogenizing device Download PDFInfo
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- CN104971524A CN104971524A CN201510441077.7A CN201510441077A CN104971524A CN 104971524 A CN104971524 A CN 104971524A CN 201510441077 A CN201510441077 A CN 201510441077A CN 104971524 A CN104971524 A CN 104971524A
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Abstract
The invention provides a paste thickener bottom flow circulation homogenizing device belonging to the field of tailing paste treatment and mineral engineering. The device comprises a bottom flow pump, a nucleon concentration meter, a flowmeter, four valves, a homogenizing device body and a bottom flow circulation pipeline, wherein one end of the bottom flow pump is connected with a material collection well under a paste thickener; the other end of the bottom flow pump is connected with the nucleon concentration meter; the nucleon concentration meter is sequentially connected with the flowmeter, the valve I and the homogenizing device body in series; the valve II is positioned between the flowmeter and the valve I; the valve III and the valve IV are connected in parallel. The homogenizing device body comprises a flange, a pipeline and stirring blades. The rotation speed of the bottom flow pump is adjusted by the bottom flow concentration value and bottom flow value which are obtained in real time by adopting the nucleon concentration meter and the flowmeter so as to selectively switch on the valve III or the valve IV. The paste thickener bottom flow circulation homogenizing device provided by the invention is simple in structure and capable of effectively achieving the homogenization and controllable circulation of bottom flow of the paste thickener, so that the occurrence of raking pressing and stopping accidents of the paste thickener is avoided.
Description
Technical field
The present invention relates to tailings paste to dispose and mineral engineering field, refer to a kind of Paste thickener underflow circulation homogenizing apparatus especially.
Background technology
The ore that mining goes out is after ore-dressing practice, and the solid waste of generation is called mine tailing, usually discharges with the form of low concentration last mortar.The discharge of low concentration Tailings Slurry usually causes the great number of issues such as environmental pollution, water resource waste, Tailings Dam dam break, and therefore crude tailings lotion technology of preparing is arisen at the historic moment, and Paste thickener is the key equipment of this technology.Paste thickener can by flocculating setting effect by high concentration crude tailings lotion low for disposable for low concentration tailings dense one-tenth moisture content, and the underflow circulating effect of Paste thickener directly has influence on the normal operation of Paste thickener and the regulation and control of underflow density.
The underflow circulation of Paste thickener is generally: crude tailings underflow is released bottom Paste thickener; by pipeline, underflow is again squeezed into Paste thickener inside by underflow pump; underflow is constantly circulated, and rake is shut down, conveyance conduit blocks, concentration is difficult to the problems such as control to avoid causing concentrator to press because lotion underflow density is uneven.And existing Paste thickener underflow endless form can not effectively regulate and control high-concentration underflow, often cause concentrator to press the generation of rake stopping accident, need a kind of effective Paste thickener underflow circulation homogenizing apparatus badly.
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, for homogeneous, the fluidization loop control of underflow in the dense process of lotion.
This device comprises underflow pump, nucleon densimeter, flowmeter, 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 and nucleon densimeter, flowmeter, valve one, homogenizer are sequentially connected in series, valve two is between flowmeter and valve one, valve three, valve four are connected in parallel, valve three is connected with bottom Paste thickener, valve four is connected with Paste thickener top, and valve three is connected with homogenizer with valve four.
Wherein, homogenizer comprises flange, pipeline and stirring vane, and stirring vane is positioned at pipe interior, and pipe ends is 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.
The mass concentration scope of nucleon densimeter, testing flow meter underflow is 63% ~ 76%.
The underflow density value that this device is obtained in real time by nucleon densimeter, flowmeter, underflow flow value, regulate the switch of the rotating speed of underflow pump and valve three, valve four.
The beneficial effect of technique scheme of the present invention is as follows:
In such scheme, Paste thickener underflow real-time parameter is obtained by the measuring instrument be installed on pipeline, corresponding adjustment underflow flow, the circulation of selection high-low-position, and by installing the loop control that homogenizes that homogenizer realizes underflow further on underflow pipeline.This device is simple, reliable, effectively can solve a difficult problem for Paste thickener underflow loop control.
Accompanying drawing explanation
Fig. 1 is Paste thickener underflow circulation homogenizing apparatus structural representation of the present invention;
Fig. 2 is the structural representation of homogenizer in Paste thickener underflow circulation homogenizing apparatus of the present invention.
Wherein: 1-Paste thickener; 2-gathers materials well; 3-underflow pump; 4-nucleon densimeter; 5-flowmeter; 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 clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed to existing Paste thickener underflow endless form can not effectively carry out the problem such as regulating and controlling to high-concentration underflow, a kind of Paste thickener underflow circulation homogenizing apparatus is provided.
As shown in Figure 1, this device comprises underflow pump 3, nucleon densimeter 4, flowmeter 5, valve 1, valve 27, homogenizer 8, valve 39, valve 4 10 and underflow circulation line, underflow pump 3 one end is connected with the well 2 that gathers materials under Paste thickener 1, underflow pump 3 other end and nucleon densimeter 4, flowmeter 5, valve 1, homogenizer 8 is sequentially connected in series, valve 27 is between flowmeter 5 and valve 1, valve 39, valve 4 10 is connected in parallel, valve 39 is connected with bottom Paste thickener 1, valve 4 10 is connected with Paste thickener 1 top, valve 39 is connected with homogenizer 8 with valve 4 10.
As shown in Figure 2, homogenizer 8 comprises flange 11, pipeline 12 and stirring vane 13, and stirring vane 13 is positioned at that pipeline 12 is inner, and flange 11 is equipped with at pipeline 12 two ends, and pipeline 12 internal diameter is between 200mm ~ 400mm, and stirring vane 13 is made for wear-resistant material.
Composition graphs 1 and Fig. 2, homogenizer 8 is arranged on the circulation line between valve 1 and valve 39, valve 4 10.
Embodiment 1
As shown in Figure 1, low concentration crude tailings slurry is after Paste thickener 1 is dense, and high concentration crude tailings underflow is discharged through the well 2 that gathers materials, and to be delivered in concentrator constantly to circulate by underflow pump 3 through circulation line.
In course of conveying, obtain underflow density value by nucleon densimeter 4, when underflow density is 69% ~ 71% time, regulate underflow pump 3 rotating speed, make flowmeter 5 reading be 50m
3/ h ~ 100
3/ h, valve-off 27, opens valve 1, and crude tailings underflow is flow through in homogenizer 8, and pipeline 12 internal diameter of homogenizer 8 is 220mm, by stirring vane 13, opens valve 39, valve-off 4 10, and the low level realizing underflow density homogenizes circulation.In this process, the switch of the reading of nucleon densimeter 4, flowmeter 5 data, the adjustment of underflow pump 3, valve 1, valve 27, valve 39, valve 4 10 all controls to realize automation mechanized operation by remote computation.
Wherein, valve 1, valve 27, valve 39 and valve 4 10 is operated pneumatic valve.
Embodiment 2
As shown in Figure 1, low concentration crude tailings slurry is after Paste thickener 1 is dense, and high concentration crude tailings underflow is discharged through the well 2 that gathers materials, and to be delivered in concentrator constantly to circulate by underflow pump 3 through circulation line.
In course of conveying, obtain underflow density value by nucleon densimeter 4, when underflow density is 71% ~ 75% time, regulate underflow pump 3 rotating speed, make flowmeter 5 reading be greater than 100
3/ h, valve-off 27, opens valve 1, and crude tailings underflow is flow through in homogenizer 8, pipeline 12 internal diameter of homogenizer 8 is 250mm, carry out stirring by stirring vane 13 pairs of underflows to homogenize, valve-off 39, open valve 4 10, the high position realizing underflow density homogenizes circulation.In this process, the switch of the reading of nucleon densimeter 4, flowmeter 5 data, the adjustment of underflow pump 3, valve 1, valve 27, valve 39, valve 4 10 all controls to realize automation mechanized operation by remote computation.
Wherein, valve 1, valve 27, valve 39 and valve 4 10 is electrically operated valve.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a Paste thickener underflow circulation homogenizing apparatus, it is characterized in that: comprise underflow pump (3), nucleon densimeter (4), flowmeter (5), valve one (6), valve two (7), homogenizer (8), valve three (9), valve four (10) and underflow circulation line, underflow pump (3) one end is connected with the well that gathers materials (2) under Paste thickener (1), underflow pump (3) other end and nucleon densimeter (4), flowmeter (5), valve one (6), homogenizer (8) is sequentially connected in series, valve two (7) is positioned between flowmeter (5) and valve one (6), valve three (9), valve four (10) is connected in parallel, valve three (9) is connected with Paste thickener (1) bottom, valve four (10) is connected with Paste thickener (1) top, valve three (9) is connected with homogenizer (8) with valve four (10).
2. a kind of Paste thickener underflow circulation homogenizing apparatus according to claim 1, it is characterized in that: described homogenizer (8) comprises flange (11), pipeline (12) and stirring vane (13), it is inner that stirring vane (13) is positioned at pipeline (12), flange (11) is equipped with at pipeline (12) two ends, and homogenizer (8) is arranged on the circulation line between valve one (6) and valve three (9), valve four (10).
3. a kind of Paste thickener underflow circulation homogenizing apparatus according to claim 1, is characterized in that: the mass concentration scope of described nucleon densimeter (4), flowmeter (5) test underflow is 63% ~ 76%.
4. a kind of Paste thickener underflow circulation homogenizing apparatus according to claim 1 and 2, is characterized in that: described pipeline (12) internal diameter is between 200mm ~ 400mm, and stirring vane (13) is made for wear-resistant material.
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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 CN104971524B (en) | 2017-01-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546660A (en) * | 2016-10-17 | 2017-03-29 | 北京金诚信矿山技术研究院有限公司 | A kind of detecting system of thickener underflow concentration |
| CN106861245A (en) * | 2015-12-10 | 2017-06-20 | 飞翼股份有限公司 | A kind of thickener underflow density Adjusting System |
| CN108553952A (en) * | 2018-04-13 | 2018-09-21 | 北京科技大学 | The Paste thickener and precisely monitor and regulation and control method that underflow density adaptively regulates and controls |
| CN112028193A (en) * | 2020-09-04 | 2020-12-04 | 朱彩凤 | 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 |
| CN104784982A (en) * | 2015-04-07 | 2015-07-22 | 中钢集团马鞍山矿山研究院有限公司 | Energy-saving deep-cone thickener applicable to fine-grained tailing 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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2015
- 2015-07-24 CN CN201510441077.7A patent/CN104971524B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201135796Y (en) * | 2007-12-25 | 2008-10-22 | 中国恩菲工程技术有限公司 | Deep-cone thickener |
| CN104784982A (en) * | 2015-04-07 | 2015-07-22 | 中钢集团马鞍山矿山研究院有限公司 | Energy-saving deep-cone thickener applicable to fine-grained tailing disposal |
| CN205007647U (en) * | 2015-07-24 | 2016-02-03 | 北京科技大学 | Lotion thickener underflow circulation homogenization device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861245A (en) * | 2015-12-10 | 2017-06-20 | 飞翼股份有限公司 | A kind of thickener underflow density Adjusting System |
| CN106861245B (en) * | 2015-12-10 | 2020-03-31 | 飞翼股份有限公司 | Thickener underflow concentration governing system |
| CN106546660A (en) * | 2016-10-17 | 2017-03-29 | 北京金诚信矿山技术研究院有限公司 | A kind of detecting system of thickener underflow concentration |
| 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 |
| CN108553952A (en) * | 2018-04-13 | 2018-09-21 | 北京科技大学 | The Paste thickener and precisely monitor and regulation and control method that underflow density adaptively regulates and controls |
| CN112028193A (en) * | 2020-09-04 | 2020-12-04 | 朱彩凤 | Industrial sewage treatment device capable of automatically cleaning based on 5G technology |
| 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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| CN104971524B (en) | 2017-01-04 |
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